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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (34 commits)
  [SCSI] qla2xxx: Fix NULL ptr deref bug in fail path during queue create
  [SCSI] st: fix possible memory use after free after MTSETBLK ioctl
  [SCSI] be2iscsi: Moving to pci_pools v3
  [SCSI] libiscsi: iscsi_session_setup to allow for private space
  [SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver
  [SCSI] zfcp: Fix hang when offlining device with offline chpid
  [SCSI] zfcp: Fix lockdep warning when offlining device with offline chpid
  [SCSI] zfcp: Fix oops during shutdown of offline device
  [SCSI] zfcp: Fix initial device and cfdc for delayed adapter allocation
  [SCSI] zfcp: correctly initialize unchained requests
  [SCSI] mpt2sas: Bump version 02.100.03.00
  [SCSI] mpt2sas: Support dev remove when phy status is MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
  [SCSI] mpt2sas: Timeout occurred within the HANDSHAKE logic while waiting on firmware to ACK.
  [SCSI] mpt2sas: Call init_completion on a per request basis.
  [SCSI] mpt2sas: Target Reset will be issued from Interrupt context.
  [SCSI] mpt2sas: Added SCSIIO, Internal and high priority memory pools to support multiple TM
  [SCSI] mpt2sas: Copyright change to 2009.
  [SCSI] mpt2sas: Added mpi2_history.txt for MPI2 headers.
  [SCSI] mpt2sas: Update driver to MPI2 REV K headers.
  [SCSI] bfa: Brocade BFA FC SCSI driver
  ...
This commit is contained in:
Linus Torvalds 2009-10-11 11:12:33 -07:00
commit 69585dd69e
259 changed files with 58443 additions and 667 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
Documentation/scsi/hptiop.txt
View File

@ -3,6 +3,25 @@ HIGHPOINT ROCKETRAID 3xxx/4xxx ADAPTER DRIVER (hptiop)
Controller Register Map
-------------------------
For RR44xx Intel IOP based adapters, the controller IOP is accessed via PCI BAR0 and BAR2:
BAR0 offset Register
0x11C5C Link Interface IRQ Set
0x11C60 Link Interface IRQ Clear
BAR2 offset Register
0x10 Inbound Message Register 0
0x14 Inbound Message Register 1
0x18 Outbound Message Register 0
0x1C Outbound Message Register 1
0x20 Inbound Doorbell Register
0x24 Inbound Interrupt Status Register
0x28 Inbound Interrupt Mask Register
0x30 Outbound Interrupt Status Register
0x34 Outbound Interrupt Mask Register
0x40 Inbound Queue Port
0x44 Outbound Queue Port
For Intel IOP based adapters, the controller IOP is accessed via PCI BAR0:
BAR0 offset Register
@ -93,7 +112,7 @@ The driver exposes following sysfs attributes:
-----------------------------------------------------------------------------
Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of

15
MAINTAINERS
View File

@ -1231,6 +1231,13 @@ L: netdev@vger.kernel.org
S: Supported
F: drivers/net/tg3.*
BROCADE BFA FC SCSI DRIVER
P: Jing Huang
M: huangj@brocade.com
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/bfa/
BSG (block layer generic sg v4 driver)
M: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
L: linux-scsi@vger.kernel.org
@ -4646,6 +4653,14 @@ F: drivers/ata/
F: include/linux/ata.h
F: include/linux/libata.h
SERVER ENGINES 10Gbps iSCSI - BladeEngine 2 DRIVER
P: Jayamohan Kallickal
M: jayamohank@serverengines.com
L: linux-scsi@vger.kernel.org
W: http://www.serverengines.com
S: Supported
F: drivers/scsi/be2iscsi/
SERVER ENGINES 10Gbps NIC - BladeEngine 2 DRIVER
M: Sathya Perla <sathyap@serverengines.com>
M: Subbu Seetharaman <subbus@serverengines.com>

2
drivers/infiniband/ulp/iser/iscsi_iser.c
View File

@ -426,7 +426,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
* because we preallocate so many resources
*/
cls_session = iscsi_session_setup(&iscsi_iser_transport, shost,
ISCSI_DEF_XMIT_CMDS_MAX,
ISCSI_DEF_XMIT_CMDS_MAX, 0,
sizeof(struct iscsi_iser_task),
initial_cmdsn, 0);
if (!cls_session)

33
drivers/s390/scsi/zfcp_aux.c
View File

@ -80,28 +80,35 @@ int zfcp_reqlist_isempty(struct zfcp_adapter *adapter)
static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
{
struct ccw_device *ccwdev;
struct zfcp_adapter *adapter;
struct zfcp_port *port;
struct zfcp_unit *unit;
mutex_lock(&zfcp_data.config_mutex);
read_lock_irq(&zfcp_data.config_lock);
adapter = zfcp_get_adapter_by_busid(busid);
if (adapter)
zfcp_adapter_get(adapter);
read_unlock_irq(&zfcp_data.config_lock);
ccwdev = get_ccwdev_by_busid(&zfcp_ccw_driver, busid);
if (!ccwdev)
return;
if (ccw_device_set_online(ccwdev))
goto out_ccwdev;
mutex_lock(&zfcp_data.config_mutex);
adapter = dev_get_drvdata(&ccwdev->dev);
if (!adapter)
goto out_adapter;
port = zfcp_port_enqueue(adapter, wwpn, 0, 0);
if (IS_ERR(port))
goto out_unlock;
zfcp_adapter_get(adapter);
port = zfcp_get_port_by_wwpn(adapter, wwpn);
if (!port)
goto out_port;
zfcp_port_get(port);
unit = zfcp_unit_enqueue(port, lun);
if (IS_ERR(unit))
goto out_unit;
mutex_unlock(&zfcp_data.config_mutex);
ccw_device_set_online(adapter->ccw_device);
zfcp_erp_unit_reopen(unit, 0, "auidc_1", NULL);
zfcp_erp_wait(adapter);
flush_work(&unit->scsi_work);
@ -111,8 +118,10 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
zfcp_port_put(port);
out_port:
zfcp_adapter_put(adapter);
out_adapter:
out_unlock:
mutex_unlock(&zfcp_data.config_mutex);
out_ccwdev:
put_device(&ccwdev->dev);
return;
}
@ -593,10 +602,8 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
int retval = 0;
unsigned long flags;
cancel_work_sync(&adapter->scan_work);
cancel_work_sync(&adapter->stat_work);
zfcp_fc_wka_ports_force_offline(adapter->gs);
zfcp_adapter_scsi_unregister(adapter);
sysfs_remove_group(&adapter->ccw_device->dev.kobj,
&zfcp_sysfs_adapter_attrs);
dev_set_drvdata(&adapter->ccw_device->dev, NULL);

40
drivers/s390/scsi/zfcp_ccw.c
View File

@ -102,6 +102,14 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
adapter = dev_get_drvdata(&ccw_device->dev);
if (!adapter)
goto out;
mutex_unlock(&zfcp_data.config_mutex);
cancel_work_sync(&adapter->scan_work);
mutex_lock(&zfcp_data.config_mutex);
/* this also removes the scsi devices, so call it first */
zfcp_adapter_scsi_unregister(adapter);
write_lock_irq(&zfcp_data.config_lock);
list_for_each_entry_safe(port, p, &adapter->port_list_head, list) {
@ -117,11 +125,8 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
write_unlock_irq(&zfcp_data.config_lock);
list_for_each_entry_safe(port, p, &port_remove_lh, list) {
list_for_each_entry_safe(unit, u, &unit_remove_lh, list) {
if (unit->device)
scsi_remove_device(unit->device);
list_for_each_entry_safe(unit, u, &unit_remove_lh, list)
zfcp_unit_dequeue(unit);
}
zfcp_port_dequeue(port);
}
wait_event(adapter->remove_wq, atomic_read(&adapter->refcount) == 0);
@ -192,13 +197,9 @@ static int zfcp_ccw_set_offline(struct ccw_device *ccw_device)
mutex_lock(&zfcp_data.config_mutex);
adapter = dev_get_drvdata(&ccw_device->dev);
if (!adapter)
goto out;
zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1", NULL);
zfcp_erp_wait(adapter);
mutex_unlock(&zfcp_data.config_mutex);
out:
return 0;
}
@ -253,13 +254,17 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev)
mutex_lock(&zfcp_data.config_mutex);
adapter = dev_get_drvdata(&cdev->dev);
if (!adapter)
goto out;
zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1", NULL);
zfcp_erp_wait(adapter);
zfcp_erp_thread_kill(adapter);
out:
mutex_unlock(&zfcp_data.config_mutex);
}
static struct ccw_driver zfcp_ccw_driver = {
struct ccw_driver zfcp_ccw_driver = {
.owner = THIS_MODULE,
.name = "zfcp",
.ids = zfcp_ccw_device_id,
@ -284,20 +289,3 @@ int __init zfcp_ccw_register(void)
{
return ccw_driver_register(&zfcp_ccw_driver);
}
/**
* zfcp_get_adapter_by_busid - find zfcp_adapter struct
* @busid: bus id string of zfcp adapter to find
*/
struct zfcp_adapter *zfcp_get_adapter_by_busid(char *busid)
{
struct ccw_device *ccw_device;
struct zfcp_adapter *adapter = NULL;
ccw_device = get_ccwdev_by_busid(&zfcp_ccw_driver, busid);
if (ccw_device) {
adapter = dev_get_drvdata(&ccw_device->dev);
put_device(&ccw_device->dev);
}
return adapter;
}

17
drivers/s390/scsi/zfcp_cfdc.c
View File

@ -86,8 +86,23 @@ static int zfcp_cfdc_copy_to_user(void __user *user_buffer,
static struct zfcp_adapter *zfcp_cfdc_get_adapter(u32 devno)
{
char busid[9];
struct ccw_device *ccwdev;
struct zfcp_adapter *adapter = NULL;
snprintf(busid, sizeof(busid), "0.0.%04x", devno);
return zfcp_get_adapter_by_busid(busid);
ccwdev = get_ccwdev_by_busid(&zfcp_ccw_driver, busid);
if (!ccwdev)
goto out;
adapter = dev_get_drvdata(&ccwdev->dev);
if (!adapter)
goto out_put;
zfcp_adapter_get(adapter);
out_put:
put_device(&ccwdev->dev);
out:
return adapter;
}
static int zfcp_cfdc_set_fsf(struct zfcp_fsf_cfdc *fsf_cfdc, int command)

2
drivers/s390/scsi/zfcp_ext.h
View File

@ -28,7 +28,7 @@ extern int zfcp_sg_setup_table(struct scatterlist *, int);
/* zfcp_ccw.c */
extern int zfcp_ccw_register(void);
extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
extern struct ccw_driver zfcp_ccw_driver;
/* zfcp_cfdc.c */
extern struct miscdevice zfcp_cfdc_misc;

22
drivers/s390/scsi/zfcp_fsf.c
View File

@ -1058,11 +1058,25 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->queue_req,
SBAL_FLAGS0_TYPE_WRITE_READ,
sg_resp, max_sbals);
req->qtcb->bottom.support.resp_buf_length = bytes;
if (bytes <= 0)
return -EIO;
return 0;
}
static int zfcp_fsf_setup_ct_els(struct zfcp_fsf_req *req,
struct scatterlist *sg_req,
struct scatterlist *sg_resp,
int max_sbals)
{
int ret;
ret = zfcp_fsf_setup_ct_els_sbals(req, sg_req, sg_resp, max_sbals);
if (ret)
return ret;
/* common settings for ct/gs and els requests */
req->qtcb->bottom.support.resp_buf_length = bytes;
req->qtcb->bottom.support.service_class = FSF_CLASS_3;
req->qtcb->bottom.support.timeout = 2 * R_A_TOV;
zfcp_fsf_start_timer(req, 2 * R_A_TOV + 10);
@ -1094,8 +1108,8 @@ int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool)
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
ret = zfcp_fsf_setup_ct_els_sbals(req, ct->req, ct->resp,
FSF_MAX_SBALS_PER_REQ);
ret = zfcp_fsf_setup_ct_els(req, ct->req, ct->resp,
FSF_MAX_SBALS_PER_REQ);
if (ret)
goto failed_send;
@ -1192,7 +1206,7 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els)
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
ret = zfcp_fsf_setup_ct_els_sbals(req, els->req, els->resp, 2);
ret = zfcp_fsf_setup_ct_els(req, els->req, els->resp, 2);
if (ret)
goto failed_send;

11
drivers/scsi/Kconfig
View File

@ -366,6 +366,7 @@ config ISCSI_TCP
source "drivers/scsi/cxgb3i/Kconfig"
source "drivers/scsi/bnx2i/Kconfig"
source "drivers/scsi/be2iscsi/Kconfig"
config SGIWD93_SCSI
tristate "SGI WD93C93 SCSI Driver"
@ -1827,6 +1828,16 @@ config SCSI_SRP
To compile this driver as a module, choose M here: the
module will be called libsrp.
config SCSI_BFA_FC
tristate "Brocade BFA Fibre Channel Support"
depends on PCI && SCSI
select SCSI_FC_ATTRS
help
This bfa driver supports all Brocade PCIe FC/FCOE host adapters.
To compile this driver as a module, choose M here. The module will
be called bfa.
endif # SCSI_LOWLEVEL
source "drivers/scsi/pcmcia/Kconfig"

2
drivers/scsi/Makefile
View File

@ -86,6 +86,7 @@ obj-$(CONFIG_SCSI_QLOGIC_1280) += qla1280.o
obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx/
obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx/
obj-$(CONFIG_SCSI_LPFC) += lpfc/
obj-$(CONFIG_SCSI_BFA_FC) += bfa/
obj-$(CONFIG_SCSI_PAS16) += pas16.o
obj-$(CONFIG_SCSI_T128) += t128.o
obj-$(CONFIG_SCSI_DMX3191D) += dmx3191d.o
@ -130,6 +131,7 @@ obj-$(CONFIG_SCSI_MVSAS) += mvsas/
obj-$(CONFIG_PS3_ROM) += ps3rom.o
obj-$(CONFIG_SCSI_CXGB3_ISCSI) += libiscsi.o libiscsi_tcp.o cxgb3i/
obj-$(CONFIG_SCSI_BNX2_ISCSI) += libiscsi.o bnx2i/
obj-$(CONFIG_BE2ISCSI) += libiscsi.o be2iscsi/
obj-$(CONFIG_SCSI_PMCRAID) += pmcraid.o
obj-$(CONFIG_ARM) += arm/

8
drivers/scsi/be2iscsi/Kconfig Normal file
View File

@ -0,0 +1,8 @@
config BE2ISCSI
tristate "ServerEngines' 10Gbps iSCSI - BladeEngine 2"
depends on PCI && SCSI
select SCSI_ISCSI_ATTRS
help
This driver implements the iSCSI functionality for ServerEngines'
10Gbps Storage adapter - BladeEngine 2.

8
drivers/scsi/be2iscsi/Makefile Normal file
View File

@ -0,0 +1,8 @@
#
# Makefile to build the iSCSI driver for ServerEngine's BladeEngine.
#
#
obj-$(CONFIG_BE2ISCSI) += be2iscsi.o
be2iscsi-y := be_iscsi.o be_main.o be_mgmt.o be_cmds.o

183
drivers/scsi/be2iscsi/be.h Normal file
View File

@ -0,0 +1,183 @@
/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
#ifndef BEISCSI_H
#define BEISCSI_H
#include <linux/pci.h>
#include <linux/if_vlan.h>
#define FW_VER_LEN 32
struct be_dma_mem {
void *va;
dma_addr_t dma;
u32 size;
};
struct be_queue_info {
struct be_dma_mem dma_mem;
u16 len;
u16 entry_size; /* Size of an element in the queue */
u16 id;
u16 tail, head;
bool created;
atomic_t used; /* Number of valid elements in the queue */
};
static inline u32 MODULO(u16 val, u16 limit)
{
WARN_ON(limit & (limit - 1));
return val & (limit - 1);
}
static inline void index_inc(u16 *index, u16 limit)
{
*index = MODULO((*index + 1), limit);
}
static inline void *queue_head_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->head * q->entry_size;
}
static inline void *queue_tail_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->tail * q->entry_size;
}
static inline void queue_head_inc(struct be_queue_info *q)
{
index_inc(&q->head, q->len);
}
static inline void queue_tail_inc(struct be_queue_info *q)
{
index_inc(&q->tail, q->len);
}
/*ISCSI */
struct be_eq_obj {
struct be_queue_info q;
char desc[32];
/* Adaptive interrupt coalescing (AIC) info */
bool enable_aic;
u16 min_eqd; /* in usecs */
u16 max_eqd; /* in usecs */
u16 cur_eqd; /* in usecs */
};
struct be_mcc_obj {
struct be_queue_info *q;
struct be_queue_info *cq;
};
struct be_ctrl_info {
u8 __iomem *csr;
u8 __iomem *db; /* Door Bell */
u8 __iomem *pcicfg; /* PCI config space */
struct pci_dev *pdev;
/* Mbox used for cmd request/response */
spinlock_t mbox_lock; /* For serializing mbox cmds to BE card */
struct be_dma_mem mbox_mem;
/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
* is stored for freeing purpose */
struct be_dma_mem mbox_mem_alloced;
/* MCC Rings */
struct be_mcc_obj mcc_obj;
spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
spinlock_t mcc_cq_lock;
/* MCC Async callback */
void (*async_cb) (void *adapter, bool link_up);
void *adapter_ctxt;
};
#include "be_cmds.h"
#define PAGE_SHIFT_4K 12
#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
/* Returns number of pages spanned by the data starting at the given addr */
#define PAGES_4K_SPANNED(_address, size) \
((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
/* Byte offset into the page corresponding to given address */
#define OFFSET_IN_PAGE(addr) \
((size_t)(addr) & (PAGE_SIZE_4K-1))
/* Returns bit offset within a DWORD of a bitfield */
#define AMAP_BIT_OFFSET(_struct, field) \
(((size_t)&(((_struct *)0)->field))%32)
/* Returns the bit mask of the field that is NOT shifted into location. */
static inline u32 amap_mask(u32 bitsize)
{
return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
}
static inline void amap_set(void *ptr, u32 dw_offset, u32 mask,
u32 offset, u32 value)
{
u32 *dw = (u32 *) ptr + dw_offset;
*dw &= ~(mask << offset);
*dw |= (mask & value) << offset;
}
#define AMAP_SET_BITS(_struct, field, ptr, val) \
amap_set(ptr, \
offsetof(_struct, field)/32, \
amap_mask(sizeof(((_struct *)0)->field)), \
AMAP_BIT_OFFSET(_struct, field), \
val)
static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
{
u32 *dw = ptr;
return mask & (*(dw + dw_offset) >> offset);
}
#define AMAP_GET_BITS(_struct, field, ptr) \
amap_get(ptr, \
offsetof(_struct, field)/32, \
amap_mask(sizeof(((_struct *)0)->field)), \
AMAP_BIT_OFFSET(_struct, field))
#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
static inline void swap_dws(void *wrb, int len)
{
#ifdef __BIG_ENDIAN
u32 *dw = wrb;
WARN_ON(len % 4);
do {
*dw = cpu_to_le32(*dw);
dw++;
len -= 4;
} while (len);
#endif /* __BIG_ENDIAN */
}
extern void beiscsi_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm,
u16 num_popped);
#endif /* BEISCSI_H */

523
drivers/scsi/be2iscsi/be_cmds.c Normal file
View File

@ -0,0 +1,523 @@
/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
#include "be.h"
#include "be_mgmt.h"
#include "be_main.h"
static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
{
if (compl->flags != 0) {
compl->flags = le32_to_cpu(compl->flags);
WARN_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0);
return true;
} else
return false;
}
static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
{
compl->flags = 0;
}
static int be_mcc_compl_process(struct be_ctrl_info *ctrl,
struct be_mcc_compl *compl)
{
u16 compl_status, extd_status;
be_dws_le_to_cpu(compl, 4);
compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
CQE_STATUS_COMPL_MASK;
if (compl_status != MCC_STATUS_SUCCESS) {
extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
CQE_STATUS_EXTD_MASK;
dev_err(&ctrl->pdev->dev,
"error in cmd completion: status(compl/extd)=%d/%d\n",
compl_status, extd_status);
return -1;
}
return 0;
}
static inline bool is_link_state_evt(u32 trailer)
{
return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
ASYNC_TRAILER_EVENT_CODE_MASK) == ASYNC_EVENT_CODE_LINK_STATE);
}
void beiscsi_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm,
u16 num_popped)
{
u32 val = 0;
val |= qid & DB_CQ_RING_ID_MASK;
if (arm)
val |= 1 << DB_CQ_REARM_SHIFT;
val |= num_popped << DB_CQ_NUM_POPPED_SHIFT;
iowrite32(val, ctrl->db + DB_CQ_OFFSET);
}
static int be_mbox_db_ready_wait(struct be_ctrl_info *ctrl)
{
#define long_delay 2000
void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
int cnt = 0, wait = 5; /* in usecs */
u32 ready;
do {
ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK;
if (ready)
break;
if (cnt > 6000000) {
dev_err(&ctrl->pdev->dev, "mbox_db poll timed out\n");
return -1;
}
if (cnt > 50) {
wait = long_delay;
mdelay(long_delay / 1000);
} else
udelay(wait);
cnt += wait;
} while (true);
return 0;
}
int be_mbox_notify(struct be_ctrl_info *ctrl)
{
int status;
u32 val = 0;
void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
struct be_dma_mem *mbox_mem = &ctrl->mbox_mem;
struct be_mcc_mailbox *mbox = mbox_mem->va;
struct be_mcc_compl *compl = &mbox->compl;
val &= ~MPU_MAILBOX_DB_RDY_MASK;
val |= MPU_MAILBOX_DB_HI_MASK;
val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
iowrite32(val, db);
status = be_mbox_db_ready_wait(ctrl);
if (status != 0) {
SE_DEBUG(DBG_LVL_1, " be_mbox_db_ready_wait failed 1\n");
return status;
}
val = 0;
val &= ~MPU_MAILBOX_DB_RDY_MASK;
val &= ~MPU_MAILBOX_DB_HI_MASK;
val |= (u32) (mbox_mem->dma >> 4) << 2;
iowrite32(val, db);
status = be_mbox_db_ready_wait(ctrl);
if (status != 0) {
SE_DEBUG(DBG_LVL_1, " be_mbox_db_ready_wait failed 2\n");
return status;
}
if (be_mcc_compl_is_new(compl)) {
status = be_mcc_compl_process(ctrl, &mbox->compl);
be_mcc_compl_use(compl);
if (status) {
SE_DEBUG(DBG_LVL_1, "After be_mcc_compl_process \n");
return status;
}
} else {
dev_err(&ctrl->pdev->dev, "invalid mailbox completion\n");
return -1;
}
return 0;
}
void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
bool embedded, u8 sge_cnt)
{
if (embedded)
wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
else
wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
MCC_WRB_SGE_CNT_SHIFT;
wrb->payload_length = payload_len;
be_dws_cpu_to_le(wrb, 8);
}
void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
u8 subsystem, u8 opcode, int cmd_len)
{
req_hdr->opcode = opcode;
req_hdr->subsystem = subsystem;
req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
}
static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
struct be_dma_mem *mem)
{
int i, buf_pages;
u64 dma = (u64) mem->dma;
buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
for (i = 0; i < buf_pages; i++) {
pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
pages[i].hi = cpu_to_le32(upper_32_bits(dma));
dma += PAGE_SIZE_4K;
}
}
static u32 eq_delay_to_mult(u32 usec_delay)
{
#define MAX_INTR_RATE 651042
const u32 round = 10;
u32 multiplier;
if (usec_delay == 0)
multiplier = 0;
else {
u32 interrupt_rate = 1000000 / usec_delay;
if (interrupt_rate == 0)
multiplier = 1023;
else {
multiplier = (MAX_INTR_RATE - interrupt_rate) * round;
multiplier /= interrupt_rate;
multiplier = (multiplier + round / 2) / round;
multiplier = min(multiplier, (u32) 1023);
}
}
return multiplier;
}
struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
{
return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
}
int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_eq_create *req = embedded_payload(wrb);
struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
struct be_dma_mem *q_mem = &eq->dma_mem;
int status;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_EQ_CREATE, sizeof(*req));
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
AMAP_SET_BITS(struct amap_eq_context, func, req->context,
PCI_FUNC(ctrl->pdev->devfn));
AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
AMAP_SET_BITS(struct amap_eq_context, count, req->context,
__ilog2_u32(eq->len / 256));
AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context,
eq_delay_to_mult(eq_delay));
be_dws_cpu_to_le(req->context, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify(ctrl);
if (!status) {
eq->id = le16_to_cpu(resp->eq_id);
eq->created = true;
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
int be_cmd_fw_initialize(struct be_ctrl_info *ctrl)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
int status;
u8 *endian_check;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
endian_check = (u8 *) wrb;
*endian_check++ = 0xFF;
*endian_check++ = 0x12;
*endian_check++ = 0x34;
*endian_check++ = 0xFF;
*endian_check++ = 0xFF;
*endian_check++ = 0x56;
*endian_check++ = 0x78;
*endian_check++ = 0xFF;
be_dws_cpu_to_le(wrb, sizeof(*wrb));
status = be_mbox_notify(ctrl);
if (status)
SE_DEBUG(DBG_LVL_1, "be_cmd_fw_initialize Failed \n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay, int coalesce_wm)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_cq_create *req = embedded_payload(wrb);
struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
struct be_dma_mem *q_mem = &cq->dma_mem;
void *ctxt = &req->context;
int status;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_CQ_CREATE, sizeof(*req));
if (!q_mem->va)
SE_DEBUG(DBG_LVL_1, "uninitialized q_mem->va\n");
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm);
AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay);
AMAP_SET_BITS(struct amap_cq_context, count, ctxt,
__ilog2_u32(cq->len / 256));
AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, func, ctxt,
PCI_FUNC(ctrl->pdev->devfn));
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify(ctrl);
if (!status) {
cq->id = le16_to_cpu(resp->cq_id);
cq->created = true;
} else
SE_DEBUG(DBG_LVL_1, "In be_cmd_cq_create, status=ox%08x \n",
status);
spin_unlock(&ctrl->mbox_lock);
return status;
}
static u32 be_encoded_q_len(int q_len)
{
u32 len_encoded = fls(q_len); /* log2(len) + 1 */
if (len_encoded == 16)
len_encoded = 0;
return len_encoded;
}
int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int queue_type)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_q_destroy *req = embedded_payload(wrb);
u8 subsys = 0, opcode = 0;
int status;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
switch (queue_type) {
case QTYPE_EQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_EQ_DESTROY;
break;
case QTYPE_CQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_CQ_DESTROY;
break;
case QTYPE_WRBQ:
subsys = CMD_SUBSYSTEM_ISCSI;
opcode = OPCODE_COMMON_ISCSI_WRBQ_DESTROY;
break;
case QTYPE_DPDUQ:
subsys = CMD_SUBSYSTEM_ISCSI;
opcode = OPCODE_COMMON_ISCSI_DEFQ_DESTROY;
break;
case QTYPE_SGL:
subsys = CMD_SUBSYSTEM_ISCSI;
opcode = OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES;
break;
default:
spin_unlock(&ctrl->mbox_lock);
BUG();
return -1;
}
be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
if (queue_type != QTYPE_SGL)
req->id = cpu_to_le16(q->id);
status = be_mbox_notify(ctrl);
spin_unlock(&ctrl->mbox_lock);
return status;
}
int be_cmd_get_mac_addr(struct be_ctrl_info *ctrl, u8 *mac_addr)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_get_mac_addr *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
sizeof(*req));
status = be_mbox_notify(ctrl);
if (!status) {
struct be_cmd_resp_get_mac_addr *resp = embedded_payload(wrb);
memcpy(mac_addr, resp->mac_address, ETH_ALEN);
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
struct be_queue_info *cq,
struct be_queue_info *dq, int length,
int entry_size)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_defq_create_req *req = embedded_payload(wrb);
struct be_dma_mem *q_mem = &dq->dma_mem;
void *ctxt = &req->context;
int status;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_DEFQ_CREATE, sizeof(*req));
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
AMAP_SET_BITS(struct amap_be_default_pdu_context, rx_pdid, ctxt, 0);
AMAP_SET_BITS(struct amap_be_default_pdu_context, rx_pdid_valid, ctxt,
1);
AMAP_SET_BITS(struct amap_be_default_pdu_context, pci_func_id, ctxt,
PCI_FUNC(ctrl->pdev->devfn));
AMAP_SET_BITS(struct amap_be_default_pdu_context, ring_size, ctxt,
be_encoded_q_len(length / sizeof(struct phys_addr)));
AMAP_SET_BITS(struct amap_be_default_pdu_context, default_buffer_size,
ctxt, entry_size);
AMAP_SET_BITS(struct amap_be_default_pdu_context, cq_id_recv, ctxt,
cq->id);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify(ctrl);
if (!status) {
struct be_defq_create_resp *resp = embedded_payload(wrb);
dq->id = le16_to_cpu(resp->id);
dq->created = true;
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
struct be_queue_info *wrbq)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_wrbq_create_req *req = embedded_payload(wrb);
struct be_wrbq_create_resp *resp = embedded_payload(wrb);
int status;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_WRBQ_CREATE, sizeof(*req));
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify(ctrl);
if (!status)
wrbq->id = le16_to_cpu(resp->cid);
spin_unlock(&ctrl->mbox_lock);
return status;
}
int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
struct be_dma_mem *q_mem,
u32 page_offset, u32 num_pages)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_post_sgl_pages_req *req = embedded_payload(wrb);
int status;
unsigned int curr_pages;
u32 internal_page_offset = 0;
u32 temp_num_pages = num_pages;
if (num_pages == 0xff)
num_pages = 1;
spin_lock(&ctrl->mbox_lock);
do {
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES,
sizeof(*req));
curr_pages = BE_NUMBER_OF_FIELD(struct be_post_sgl_pages_req,
pages);
req->num_pages = min(num_pages, curr_pages);
req->page_offset = page_offset;
be_cmd_page_addrs_prepare(req->pages, req->num_pages, q_mem);
q_mem->dma = q_mem->dma + (req->num_pages * PAGE_SIZE);
internal_page_offset += req->num_pages;
page_offset += req->num_pages;
num_pages -= req->num_pages;
if (temp_num_pages == 0xff)
req->num_pages = temp_num_pages;
status = be_mbox_notify(ctrl);
if (status) {
SE_DEBUG(DBG_LVL_1,
"FW CMD to map iscsi frags failed.\n");
goto error;
}
} while (num_pages > 0);
error:
spin_unlock(&ctrl->mbox_lock);
if (status != 0)
beiscsi_cmd_q_destroy(ctrl, NULL, QTYPE_SGL);
return status;
}

877
drivers/scsi/be2iscsi/be_cmds.h Normal file
View File

@ -0,0 +1,877 @@
/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
#ifndef BEISCSI_CMDS_H
#define BEISCSI_CMDS_H
/**
* The driver sends configuration and managements command requests to the
* firmware in the BE. These requests are communicated to the processor
* using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
* WRB inside a MAILBOX.
* The commands are serviced by the ARM processor in the BladeEngine's MPU.
*/
struct be_sge {
u32 pa_lo;
u32 pa_hi;
u32 len;
};
#define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
#define MCC_WRB_SGE_CNT_MASK 0x1F /* bits 3 - 7 of dword 0 */
struct be_mcc_wrb {
u32 embedded; /* dword 0 */
u32 payload_length; /* dword 1 */
u32 tag0; /* dword 2 */
u32 tag1; /* dword 3 */
u32 rsvd; /* dword 4 */
union {
u8 embedded_payload[236]; /* used by embedded cmds */
struct be_sge sgl[19]; /* used by non-embedded cmds */
} payload;
};
#define CQE_FLAGS_VALID_MASK (1 << 31)
#define CQE_FLAGS_ASYNC_MASK (1 << 30)
/* Completion Status */
#define MCC_STATUS_SUCCESS 0x0
#define CQE_STATUS_COMPL_MASK 0xFFFF
#define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */
#define CQE_STATUS_EXTD_MASK 0xFFFF
#define CQE_STATUS_EXTD_SHIFT 0 /* bits 0 - 15 */
struct be_mcc_compl {
u32 status; /* dword 0 */
u32 tag0; /* dword 1 */
u32 tag1; /* dword 2 */
u32 flags; /* dword 3 */
};
/********* Mailbox door bell *************/
/**
* Used for driver communication with the FW.
* The software must write this register twice to post any command. First,
* it writes the register with hi=1 and the upper bits of the physical address
* for the MAILBOX structure. Software must poll the ready bit until this
* is acknowledged. Then, sotware writes the register with hi=0 with the lower
* bits in the address. It must poll the ready bit until the command is
* complete. Upon completion, the MAILBOX will contain a valid completion
* queue entry.
*/
#define MPU_MAILBOX_DB_OFFSET 0x160
#define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */
#define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */
/********** MPU semphore ******************/
#define MPU_EP_SEMAPHORE_OFFSET 0xac
#define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
#define EP_SEMAPHORE_POST_ERR_MASK 0x1
#define EP_SEMAPHORE_POST_ERR_SHIFT 31
/********** MCC door bell ************/
#define DB_MCCQ_OFFSET 0x140
#define DB_MCCQ_RING_ID_MASK 0x7FF /* bits 0 - 10 */
/* Number of entries posted */
#define DB_MCCQ_NUM_POSTED_SHIFT 16 /* bits 16 - 29 */
/* MPU semphore POST stage values */
#define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */
/**
* When the async bit of mcc_compl is set, the last 4 bytes of
* mcc_compl is interpreted as follows:
*/
#define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */
#define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF
#define ASYNC_EVENT_CODE_LINK_STATE 0x1
struct be_async_event_trailer {
u32 code;
};
enum {
ASYNC_EVENT_LINK_DOWN = 0x0,
ASYNC_EVENT_LINK_UP = 0x1
};
/**
* When the event code of an async trailer is link-state, the mcc_compl
* must be interpreted as follows
*/
struct be_async_event_link_state {
u8 physical_port;
u8 port_link_status;
u8 port_duplex;
u8 port_speed;
u8 port_fault;
u8 rsvd0[7];
struct be_async_event_trailer trailer;
} __packed;
struct be_mcc_mailbox {
struct be_mcc_wrb wrb;
struct be_mcc_compl compl;
};
/* Type of subsystems supported by FW */
#define CMD_SUBSYSTEM_COMMON 0x1
#define CMD_SUBSYSTEM_ISCSI 0x2
#define CMD_SUBSYSTEM_ETH 0x3
#define CMD_SUBSYSTEM_ISCSI_INI 0x6
#define CMD_COMMON_TCP_UPLOAD 0x1
/**
* List of common opcodes subsystem CMD_SUBSYSTEM_COMMON
* These opcodes are unique for each subsystem defined above
*/
#define OPCODE_COMMON_CQ_CREATE 12
#define OPCODE_COMMON_EQ_CREATE 13
#define OPCODE_COMMON_MCC_CREATE 21
#define OPCODE_COMMON_GET_CNTL_ATTRIBUTES 32
#define OPCODE_COMMON_GET_FW_VERSION 35
#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
#define OPCODE_COMMON_FIRMWARE_CONFIG 42
#define OPCODE_COMMON_MCC_DESTROY 53
#define OPCODE_COMMON_CQ_DESTROY 54
#define OPCODE_COMMON_EQ_DESTROY 55
#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58
#define OPCODE_COMMON_FUNCTION_RESET 61
/**
* LIST of opcodes that are common between Initiator and Target
* used by CMD_SUBSYSTEM_ISCSI
* These opcodes are unique for each subsystem defined above
*/
#define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES 2
#define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES 3
#define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG 7
#define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
#define OPCODE_COMMON_ISCSI_DEFQ_CREATE 64
#define OPCODE_COMMON_ISCSI_DEFQ_DESTROY 65
#define OPCODE_COMMON_ISCSI_WRBQ_CREATE 66
#define OPCODE_COMMON_ISCSI_WRBQ_DESTROY 67
struct be_cmd_req_hdr {
u8 opcode; /* dword 0 */
u8 subsystem; /* dword 0 */
u8 port_number; /* dword 0 */
u8 domain; /* dword 0 */
u32 timeout; /* dword 1 */
u32 request_length; /* dword 2 */
u32 rsvd; /* dword 3 */
};
struct be_cmd_resp_hdr {
u32 info; /* dword 0 */
u32 status; /* dword 1 */
u32 response_length; /* dword 2 */
u32 actual_resp_len; /* dword 3 */
};
struct phys_addr {
u32 lo;
u32 hi;
};
/**************************
* BE Command definitions *
**************************/
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte - used to calculate offset/shift/mask of each field
*/
struct amap_eq_context {
u8 cidx[13]; /* dword 0 */
u8 rsvd0[3]; /* dword 0 */
u8 epidx[13]; /* dword 0 */
u8 valid; /* dword 0 */
u8 rsvd1; /* dword 0 */
u8 size; /* dword 0 */
u8 pidx[13]; /* dword 1 */
u8 rsvd2[3]; /* dword 1 */
u8 pd[10]; /* dword 1 */
u8 count[3]; /* dword 1 */
u8 solevent; /* dword 1 */
u8 stalled; /* dword 1 */
u8 armed; /* dword 1 */
u8 rsvd3[4]; /* dword 2 */
u8 func[8]; /* dword 2 */
u8 rsvd4; /* dword 2 */
u8 delaymult[10]; /* dword 2 */
u8 rsvd5[2]; /* dword 2 */
u8 phase[2]; /* dword 2 */
u8 nodelay; /* dword 2 */
u8 rsvd6[4]; /* dword 2 */
u8 rsvd7[32]; /* dword 3 */
} __packed;
struct be_cmd_req_eq_create {
struct be_cmd_req_hdr hdr; /* dw[4] */
u16 num_pages; /* sword */
u16 rsvd0; /* sword */
u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
struct phys_addr pages[8];
} __packed;
struct be_cmd_resp_eq_create {
struct be_cmd_resp_hdr resp_hdr;
u16 eq_id; /* sword */
u16 rsvd0; /* sword */
} __packed;
struct mac_addr {
u16 size_of_struct;
u8 addr[ETH_ALEN];
} __packed;
struct be_cmd_req_mac_query {
struct be_cmd_req_hdr hdr;
u8 type;
u8 permanent;
u16 if_id;
} __packed;
struct be_cmd_resp_mac_query {
struct be_cmd_resp_hdr hdr;
struct mac_addr mac;
};
/******************** Create CQ ***************************/
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte - used to calculate offset/shift/mask of each field
*/
struct amap_cq_context {
u8 cidx[11]; /* dword 0 */
u8 rsvd0; /* dword 0 */
u8 coalescwm[2]; /* dword 0 */
u8 nodelay; /* dword 0 */
u8 epidx[11]; /* dword 0 */
u8 rsvd1; /* dword 0 */
u8 count[2]; /* dword 0 */
u8 valid; /* dword 0 */
u8 solevent; /* dword 0 */
u8 eventable; /* dword 0 */
u8 pidx[11]; /* dword 1 */
u8 rsvd2; /* dword 1 */
u8 pd[10]; /* dword 1 */
u8 eqid[8]; /* dword 1 */
u8 stalled; /* dword 1 */
u8 armed; /* dword 1 */
u8 rsvd3[4]; /* dword 2 */
u8 func[8]; /* dword 2 */
u8 rsvd4[20]; /* dword 2 */
u8 rsvd5[32]; /* dword 3 */
} __packed;
struct be_cmd_req_cq_create {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u16 rsvd0;
u8 context[sizeof(struct amap_cq_context) / 8];
struct phys_addr pages[4];
} __packed;
struct be_cmd_resp_cq_create {
struct be_cmd_resp_hdr hdr;
u16 cq_id;
u16 rsvd0;
} __packed;
/******************** Create MCCQ ***************************/
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte - used to calculate offset/shift/mask of each field
*/
struct amap_mcc_context {
u8 con_index[14];
u8 rsvd0[2];
u8 ring_size[4];
u8 fetch_wrb;
u8 fetch_r2t;
u8 cq_id[10];
u8 prod_index[14];
u8 fid[8];
u8 pdid[9];
u8 valid;
u8 rsvd1[32];
u8 rsvd2[32];
} __packed;
struct be_cmd_req_mcc_create {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u16 rsvd0;
u8 context[sizeof(struct amap_mcc_context) / 8];
struct phys_addr pages[8];
} __packed;
struct be_cmd_resp_mcc_create {
struct be_cmd_resp_hdr hdr;
u16 id;
u16 rsvd0;
} __packed;
/******************** Q Destroy ***************************/
/* Type of Queue to be destroyed */
enum {
QTYPE_EQ = 1,
QTYPE_CQ,
QTYPE_MCCQ,
QTYPE_WRBQ,
QTYPE_DPDUQ,
QTYPE_SGL
};
struct be_cmd_req_q_destroy {
struct be_cmd_req_hdr hdr;
u16 id;
u16 bypass_flush; /* valid only for rx q destroy */
} __packed;
struct macaddr {
u8 byte[ETH_ALEN];
};
struct be_cmd_req_mcast_mac_config {
struct be_cmd_req_hdr hdr;
u16 num_mac;
u8 promiscuous;
u8 interface_id;
struct macaddr mac[32];
} __packed;
static inline void *embedded_payload(struct be_mcc_wrb *wrb)
{
return wrb->payload.embedded_payload;
}
static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
{
return &wrb->payload.sgl[0];
}
/******************** Modify EQ Delay *******************/
struct be_cmd_req_modify_eq_delay {
struct be_cmd_req_hdr hdr;
u32 num_eq;
struct {
u32 eq_id;
u32 phase;
u32 delay_multiplier;
} delay[8];
} __packed;
/******************** Get MAC ADDR *******************/
#define ETH_ALEN 6
struct be_cmd_req_get_mac_addr {
struct be_cmd_req_hdr hdr;
u32 nic_port_count;
u32 speed;
u32 max_speed;
u32 link_state;
u32 max_frame_size;
u16 size_of_structure;
u8 mac_address[ETH_ALEN];
u32 rsvd[23];
};
struct be_cmd_resp_get_mac_addr {
struct be_cmd_resp_hdr hdr;
u32 nic_port_count;
u32 speed;
u32 max_speed;
u32 link_state;
u32 max_frame_size;
u16 size_of_structure;
u8 mac_address[6];
u32 rsvd[23];
};
int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay);
int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay,
int num_cqe_dma_coalesce);
int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int type);
int be_poll_mcc(struct be_ctrl_info *ctrl);
unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl);
int be_cmd_get_mac_addr(struct be_ctrl_info *ctrl, u8 *mac_addr);
/*ISCSI Functuions */
int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
int be_mbox_notify(struct be_ctrl_info *ctrl);
int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
struct be_queue_info *cq,
struct be_queue_info *dq, int length,
int entry_size);
int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
struct be_dma_mem *q_mem, u32 page_offset,
u32 num_pages);
int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
struct be_queue_info *wrbq);
struct be_default_pdu_context {
u32 dw[4];
} __packed;
struct amap_be_default_pdu_context {
u8 dbuf_cindex[13]; /* dword 0 */
u8 rsvd0[3]; /* dword 0 */
u8 ring_size[4]; /* dword 0 */
u8 ring_state[4]; /* dword 0 */
u8 rsvd1[8]; /* dword 0 */
u8 dbuf_pindex[13]; /* dword 1 */
u8 rsvd2; /* dword 1 */
u8 pci_func_id[8]; /* dword 1 */
u8 rx_pdid[9]; /* dword 1 */
u8 rx_pdid_valid; /* dword 1 */
u8 default_buffer_size[16]; /* dword 2 */
u8 cq_id_recv[10]; /* dword 2 */
u8 rx_pdid_not_valid; /* dword 2 */
u8 rsvd3[5]; /* dword 2 */
u8 rsvd4[32]; /* dword 3 */
} __packed;
struct be_defq_create_req {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u8 ulp_num;
u8 rsvd0;
struct be_default_pdu_context context;
struct phys_addr pages[8];
} __packed;
struct be_defq_create_resp {
struct be_cmd_req_hdr hdr;
u16 id;
u16 rsvd0;
} __packed;
struct be_post_sgl_pages_req {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u16 page_offset;
u32 rsvd0;
struct phys_addr pages[26];
u32 rsvd1;
} __packed;
struct be_wrbq_create_req {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u8 ulp_num;
u8 rsvd0;
struct phys_addr pages[8];
} __packed;
struct be_wrbq_create_resp {
struct be_cmd_resp_hdr resp_hdr;
u16 cid;
u16 rsvd0;
} __packed;
#define SOL_CID_MASK 0x0000FFC0
#define SOL_CODE_MASK 0x0000003F
#define SOL_WRB_INDEX_MASK 0x00FF0000
#define SOL_CMD_WND_MASK 0xFF000000
#define SOL_RES_CNT_MASK 0x7FFFFFFF
#define SOL_EXP_CMD_SN_MASK 0xFFFFFFFF
#define SOL_HW_STS_MASK 0x000000FF
#define SOL_STS_MASK 0x0000FF00
#define SOL_RESP_MASK 0x00FF0000
#define SOL_FLAGS_MASK 0x7F000000
#define SOL_S_MASK 0x80000000
struct sol_cqe {
u32 dw[4];
};
struct amap_sol_cqe {
u8 hw_sts[8]; /* dword 0 */
u8 i_sts[8]; /* dword 0 */
u8 i_resp[8]; /* dword 0 */
u8 i_flags[7]; /* dword 0 */
u8 s; /* dword 0 */
u8 i_exp_cmd_sn[32]; /* dword 1 */
u8 code[6]; /* dword 2 */
u8 cid[10]; /* dword 2 */
u8 wrb_index[8]; /* dword 2 */
u8 i_cmd_wnd[8]; /* dword 2 */
u8 i_res_cnt[31]; /* dword 3 */
u8 valid; /* dword 3 */
} __packed;
/**
* Post WRB Queue Doorbell Register used by the host Storage
* stack to notify the
* controller of a posted Work Request Block
*/
#define DB_WRB_POST_CID_MASK 0x3FF /* bits 0 - 9 */
#define DB_DEF_PDU_WRB_INDEX_MASK 0xFF /* bits 0 - 9 */
#define DB_DEF_PDU_WRB_INDEX_SHIFT 16
#define DB_DEF_PDU_NUM_POSTED_SHIFT 24
struct fragnum_bits_for_sgl_cra_in {
struct be_cmd_req_hdr hdr;
u32 num_bits;
} __packed;
struct iscsi_cleanup_req {
struct be_cmd_req_hdr hdr;
u16 chute;
u8 hdr_ring_id;
u8 data_ring_id;
} __packed;
struct eq_delay {
u32 eq_id;
u32 phase;
u32 delay_multiplier;
} __packed;
struct be_eq_delay_params_in {
struct be_cmd_req_hdr hdr;
u32 num_eq;
struct eq_delay delay[8];
} __packed;
struct ip_address_format {
u16 size_of_structure;
u8 reserved;
u8 ip_type;
u8 ip_address[16];
u32 rsvd0;
} __packed;
struct tcp_connect_and_offload_in {
struct be_cmd_req_hdr hdr;
struct ip_address_format ip_address;
u16 tcp_port;
u16 cid;
u16 cq_id;
u16 defq_id;
struct phys_addr dataout_template_pa;
u16 hdr_ring_id;
u16 data_ring_id;
u8 do_offload;
u8 rsvd0[3];
} __packed;
struct tcp_connect_and_offload_out {
struct be_cmd_resp_hdr hdr;
u32 connection_handle;
u16 cid;
u16 rsvd0;
} __packed;
struct be_mcc_wrb_context {
struct MCC_WRB *wrb;
int *users_final_status;
} __packed;
#define DB_DEF_PDU_RING_ID_MASK 0x3FF /* bits 0 - 9 */
#define DB_DEF_PDU_CQPROC_MASK 0x3FFF /* bits 0 - 9 */
#define DB_DEF_PDU_REARM_SHIFT 14
#define DB_DEF_PDU_EVENT_SHIFT 15
#define DB_DEF_PDU_CQPROC_SHIFT 16
struct dmsg_cqe {
u32 dw[4];
} __packed;
struct tcp_upload_params_in {
struct be_cmd_req_hdr hdr;
u16 id;
u16 upload_type;
u32 reset_seq;
} __packed;
struct tcp_upload_params_out {
u32 dw[32];
} __packed;
union tcp_upload_params {
struct tcp_upload_params_in request;
struct tcp_upload_params_out response;
} __packed;
struct be_ulp_fw_cfg {
u32 ulp_mode;
u32 etx_base;
u32 etx_count;
u32 sq_base;
u32 sq_count;
u32 rq_base;
u32 rq_count;
u32 dq_base;
u32 dq_count;
u32 lro_base;
u32 lro_count;
u32 icd_base;
u32 icd_count;
};
struct be_fw_cfg {
struct be_cmd_req_hdr hdr;
u32 be_config_number;
u32 asic_revision;
u32 phys_port;
u32 function_mode;
struct be_ulp_fw_cfg ulp[2];
u32 function_caps;
} __packed;
#define CMD_ISCSI_COMMAND_INVALIDATE 1
#define ISCSI_OPCODE_SCSI_DATA_OUT 5
#define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
#define OPCODE_COMMON_ISCSI_CLEANUP 59
#define OPCODE_COMMON_TCP_UPLOAD 56
#define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
#define CMD_ISCSI_CONNECTION_INVALIDATE 1
#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 2
#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
#define INI_WR_CMD 1 /* Initiator write command */
#define INI_TMF_CMD 2 /* Initiator TMF command */
#define INI_NOPOUT_CMD 3 /* Initiator; Send a NOP-OUT */
#define INI_RD_CMD 5 /* Initiator requesting to send
* a read command
*/
#define TGT_CTX_UPDT_CMD 7 /* Target context update */
#define TGT_STS_CMD 8 /* Target R2T and other BHS
* where only the status number
* need to be updated
*/
#define TGT_DATAIN_CMD 9 /* Target Data-Ins in response
* to read command
*/
#define TGT_SOS_PDU 10 /* Target:standalone status
* response
*/
#define TGT_DM_CMD 11 /* Indicates that the bhs
* preparedby
* driver should not be touched
*/
/* --- CMD_CHUTE_TYPE --- */
#define CMD_CONNECTION_CHUTE_0 1
#define CMD_CONNECTION_CHUTE_1 2
#define CMD_CONNECTION_CHUTE_2 3
#define EQ_MAJOR_CODE_COMPLETION 0
#define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
#define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
/* --- CONNECTION_UPLOAD_PARAMS --- */
/* These parameters are used to define the type of upload desired. */
#define CONNECTION_UPLOAD_GRACEFUL 1 /* Graceful upload */
#define CONNECTION_UPLOAD_ABORT_RESET 2 /* Abortive upload with
* reset
*/
#define CONNECTION_UPLOAD_ABORT 3 /* Abortive upload without
* reset
*/
#define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4 /* Abortive upload with reset,
* sequence number by driver */
/* Returns byte size of given field with a structure. */
/* Returns the number of items in the field array. */
#define BE_NUMBER_OF_FIELD(_type_, _field_) \
(FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
/**
* Different types of iSCSI completions to host driver for both initiator
* and taget mode
* of operation.
*/
#define SOL_CMD_COMPLETE 1 /* Solicited command completed
* normally
*/
#define SOL_CMD_KILLED_DATA_DIGEST_ERR 2 /* Solicited command got
* invalidated internally due
* to Data Digest error
*/
#define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3 /* Connection got invalidated
* internally
* due to a recieved PDU
* size > DSL
*/
#define CXN_KILLED_BURST_LEN_MISMATCH 4 /* Connection got invalidated
* internally due ti received
* PDU sequence size >
* FBL/MBL.
*/
#define CXN_KILLED_AHS_RCVD 5 /* Connection got invalidated
* internally due to a recieved
* PDU Hdr that has
* AHS */
#define CXN_KILLED_HDR_DIGEST_ERR 6 /* Connection got invalidated
* internally due to Hdr Digest
* error
*/
#define CXN_KILLED_UNKNOWN_HDR 7 /* Connection got invalidated
* internally
* due to a bad opcode in the
* pdu hdr
*/
#define CXN_KILLED_STALE_ITT_TTT_RCVD 8 /* Connection got invalidated
* internally due to a recieved
* ITT/TTT that does not belong
* to this Connection
*/
#define CXN_KILLED_INVALID_ITT_TTT_RCVD 9 /* Connection got invalidated
* internally due to recieved
* ITT/TTT value > Max
* Supported ITTs/TTTs
*/
#define CXN_KILLED_RST_RCVD 10 /* Connection got invalidated
* internally due to an
* incoming TCP RST
*/
#define CXN_KILLED_TIMED_OUT 11 /* Connection got invalidated
* internally due to timeout on
* tcp segment 12 retransmit
* attempts failed
*/
#define CXN_KILLED_RST_SENT 12 /* Connection got invalidated
* internally due to TCP RST
* sent by the Tx side
*/
#define CXN_KILLED_FIN_RCVD 13 /* Connection got invalidated
* internally due to an
* incoming TCP FIN.
*/
#define CXN_KILLED_BAD_UNSOL_PDU_RCVD 14 /* Connection got invalidated
* internally due to bad
* unsolicited PDU Unsolicited
* PDUs are PDUs with
* ITT=0xffffffff
*/
#define CXN_KILLED_BAD_WRB_INDEX_ERROR 15 /* Connection got invalidated
* internally due to bad WRB
* index.
*/
#define CXN_KILLED_OVER_RUN_RESIDUAL 16 /* Command got invalidated
* internally due to recived
* command has residual
* over run bytes.
*/
#define CXN_KILLED_UNDER_RUN_RESIDUAL 17 /* Command got invalidated
* internally due to recived
* command has residual under
* run bytes.
*/
#define CMD_KILLED_INVALID_STATSN_RCVD 18 /* Command got invalidated
* internally due to a recieved
* PDU has an invalid StatusSN
*/
#define CMD_KILLED_INVALID_R2T_RCVD 19 /* Command got invalidated
* internally due to a recieved
* an R2T with some invalid
* fields in it
*/
#define CMD_CXN_KILLED_LUN_INVALID 20 /* Command got invalidated
* internally due to received
* PDU has an invalid LUN.
*/
#define CMD_CXN_KILLED_ICD_INVALID 21 /* Command got invalidated
* internally due to the
* corresponding ICD not in a
* valid state
*/
#define CMD_CXN_KILLED_ITT_INVALID 22 /* Command got invalidated due
* to received PDU has an
* invalid ITT.
*/
#define CMD_CXN_KILLED_SEQ_OUTOFORDER 23 /* Command got invalidated due
* to received sequence buffer
* offset is out of order.
*/
#define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24 /* Command got invalidated
* internally due to a
* recieved PDU has an invalid
* DataSN
*/
#define CXN_INVALIDATE_NOTIFY 25 /* Connection invalidation
* completion notify.
*/
#define CXN_INVALIDATE_INDEX_NOTIFY 26 /* Connection invalidation
* completion
* with data PDU index.
*/
#define CMD_INVALIDATED_NOTIFY 27 /* Command invalidation
* completionnotifify.
*/
#define UNSOL_HDR_NOTIFY 28 /* Unsolicited header notify.*/
#define UNSOL_DATA_NOTIFY 29 /* Unsolicited data notify.*/
#define UNSOL_DATA_DIGEST_ERROR_NOTIFY 30 /* Unsolicited data digest
* error notify.
*/
#define DRIVERMSG_NOTIFY 31 /* TCP acknowledge based
* notification.
*/
#define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
* internally due to command
* and data are not on same
* connection.
*/
#define SOL_CMD_KILLED_DIF_ERR 33 /* Solicited command got
* invalidated internally due
* to DIF error
*/
#define CXN_KILLED_SYN_RCVD 34 /* Connection got invalidated
* internally due to incoming
* TCP SYN
*/
#define CXN_KILLED_IMM_DATA_RCVD 35 /* Connection got invalidated
* internally due to an
* incoming Unsolicited PDU
* that has immediate data on
* the cxn
*/
void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
bool embedded, u8 sge_cnt);
void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
u8 subsystem, u8 opcode, int cmd_len);
#endif /* !BEISCSI_CMDS_H */

638
drivers/scsi/be2iscsi/be_iscsi.c Normal file
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@ -0,0 +1,638 @@
/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*
*/
#include <scsi/libiscsi.h>
#include <scsi/scsi_transport_iscsi.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi.h>
#include "be_iscsi.h"
extern struct iscsi_transport beiscsi_iscsi_transport;
/**
* beiscsi_session_create - creates a new iscsi session
* @cmds_max: max commands supported
* @qdepth: max queue depth supported
* @initial_cmdsn: initial iscsi CMDSN
*/
struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
u16 cmds_max,
u16 qdepth,
u32 initial_cmdsn)
{
struct Scsi_Host *shost;
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_cls_session *cls_session;
struct beiscsi_hba *phba;
struct iscsi_session *sess;
struct beiscsi_session *beiscsi_sess;
struct beiscsi_io_task *io_task;
SE_DEBUG(DBG_LVL_8, "In beiscsi_session_create\n");
if (!ep) {
SE_DEBUG(DBG_LVL_1, "beiscsi_session_create: invalid ep \n");
return NULL;
}
beiscsi_ep = ep->dd_data;
phba = beiscsi_ep->phba;
shost = phba->shost;
if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
shost_printk(KERN_ERR, shost, "Cannot handle %d cmds."
"Max cmds per session supported is %d. Using %d. "
"\n", cmds_max,
beiscsi_ep->phba->params.wrbs_per_cxn,
beiscsi_ep->phba->params.wrbs_per_cxn);
cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
}
cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
shost, cmds_max,
sizeof(*beiscsi_sess),
sizeof(*io_task),
initial_cmdsn, ISCSI_MAX_TARGET);
if (!cls_session)
return NULL;
sess = cls_session->dd_data;
beiscsi_sess = sess->dd_data;
beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool",
phba->pcidev,
sizeof(struct be_cmd_bhs),
64, 0);
if (!beiscsi_sess->bhs_pool)
goto destroy_sess;
return cls_session;
destroy_sess:
iscsi_session_teardown(cls_session);
return NULL;
}
/**
* beiscsi_session_destroy - destroys iscsi session
* @cls_session: pointer to iscsi cls session
*
* Destroys iSCSI session instance and releases
* resources allocated for it.
*/
void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
{
struct iscsi_session *sess = cls_session->dd_data;
struct beiscsi_session *beiscsi_sess = sess->dd_data;
pci_pool_destroy(beiscsi_sess->bhs_pool);
iscsi_session_teardown(cls_session);
}
/**
* beiscsi_conn_create - create an instance of iscsi connection
* @cls_session: ptr to iscsi_cls_session
* @cid: iscsi cid
*/
struct iscsi_cls_conn *
beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
{
struct beiscsi_hba *phba;
struct Scsi_Host *shost;
struct iscsi_cls_conn *cls_conn;
struct beiscsi_conn *beiscsi_conn;
struct iscsi_conn *conn;
struct iscsi_session *sess;
struct beiscsi_session *beiscsi_sess;
SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_create ,cid"
"from iscsi layer=%d\n", cid);
shost = iscsi_session_to_shost(cls_session);
phba = iscsi_host_priv(shost);
cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
if (!cls_conn)
return NULL;
conn = cls_conn->dd_data;
beiscsi_conn = conn->dd_data;
beiscsi_conn->ep = NULL;
beiscsi_conn->phba = phba;
beiscsi_conn->conn = conn;
sess = cls_session->dd_data;
beiscsi_sess = sess->dd_data;
beiscsi_conn->beiscsi_sess = beiscsi_sess;
return cls_conn;
}
/**
* beiscsi_bindconn_cid - Bind the beiscsi_conn with phba connection table
* @beiscsi_conn: The pointer to beiscsi_conn structure
* @phba: The phba instance
* @cid: The cid to free
*/
static int beiscsi_bindconn_cid(struct beiscsi_hba *phba,
struct beiscsi_conn *beiscsi_conn,
unsigned int cid)
{
if (phba->conn_table[cid]) {
SE_DEBUG(DBG_LVL_1,
"Connection table already occupied. Detected clash\n");
return -EINVAL;
} else {
SE_DEBUG(DBG_LVL_8, "phba->conn_table[%d]=%p(beiscsi_conn) \n",
cid, beiscsi_conn);
phba->conn_table[cid] = beiscsi_conn;
}
return 0;
}
/**
* beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
* @cls_session: pointer to iscsi cls session
* @cls_conn: pointer to iscsi cls conn
* @transport_fd: EP handle(64 bit)
*
* This function binds the TCP Conn with iSCSI Connection and Session.
*/
int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
struct iscsi_cls_conn *cls_conn,
u64 transport_fd, int is_leading)
{
struct iscsi_conn *conn = cls_conn->dd_data;
struct beiscsi_conn *beiscsi_conn = conn->dd_data;
struct Scsi_Host *shost =
(struct Scsi_Host *)iscsi_session_to_shost(cls_session);
struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_endpoint *ep;
SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_bind\n");
ep = iscsi_lookup_endpoint(transport_fd);
if (!ep)
return -EINVAL;
beiscsi_ep = ep->dd_data;
if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
return -EINVAL;
if (beiscsi_ep->phba != phba) {
SE_DEBUG(DBG_LVL_8,
"beiscsi_ep->hba=%p not equal to phba=%p \n",
beiscsi_ep->phba, phba);
return -EEXIST;
}
beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
beiscsi_conn->ep = beiscsi_ep;
beiscsi_ep->conn = beiscsi_conn;
SE_DEBUG(DBG_LVL_8, "beiscsi_conn=%p conn=%p ep_cid=%d \n",
beiscsi_conn, conn, beiscsi_ep->ep_cid);
return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
}
/**
* beiscsi_conn_get_param - get the iscsi parameter
* @cls_conn: pointer to iscsi cls conn
* @param: parameter type identifier
* @buf: buffer pointer
*
* returns iscsi parameter
*/
int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf)
{
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_conn *conn = cls_conn->dd_data;
struct beiscsi_conn *beiscsi_conn = conn->dd_data;
int len = 0;
beiscsi_ep = beiscsi_conn->ep;
if (!beiscsi_ep) {
SE_DEBUG(DBG_LVL_1,
"In beiscsi_conn_get_param , no beiscsi_ep\n");
return -1;
}
switch (param) {
case ISCSI_PARAM_CONN_PORT:
len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
break;
case ISCSI_PARAM_CONN_ADDRESS:
if (beiscsi_ep->ip_type == BE2_IPV4)
len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
else
len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
break;
default:
return iscsi_conn_get_param(cls_conn, param, buf);
}
return len;
}
int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf, int buflen)
{
struct iscsi_conn *conn = cls_conn->dd_data;
struct iscsi_session *session = conn->session;
int ret;
ret = iscsi_set_param(cls_conn, param, buf, buflen);
if (ret)
return ret;
/*
* If userspace tried to set the value to higher than we can
* support override here.
*/
switch (param) {
case ISCSI_PARAM_FIRST_BURST:
if (session->first_burst > 8192)
session->first_burst = 8192;
break;
case ISCSI_PARAM_MAX_RECV_DLENGTH:
if (conn->max_recv_dlength > 65536)
conn->max_recv_dlength = 65536;
break;
case ISCSI_PARAM_MAX_BURST:
if (session->first_burst > 262144)
session->first_burst = 262144;
break;
default:
return 0;
}
return 0;
}
/**
* beiscsi_get_host_param - get the iscsi parameter
* @shost: pointer to scsi_host structure
* @param: parameter type identifier
* @buf: buffer pointer
*
* returns host parameter
*/
int beiscsi_get_host_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf)
{
struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
int len = 0;
switch (param) {
case ISCSI_HOST_PARAM_HWADDRESS:
be_cmd_get_mac_addr(&phba->ctrl, phba->mac_address);
len = sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
break;
default:
return iscsi_host_get_param(shost, param, buf);
}
return len;
}
/**
* beiscsi_conn_get_stats - get the iscsi stats
* @cls_conn: pointer to iscsi cls conn
* @stats: pointer to iscsi_stats structure
*
* returns iscsi stats
*/
void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
struct iscsi_stats *stats)
{
struct iscsi_conn *conn = cls_conn->dd_data;
SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_get_stats\n");
stats->txdata_octets = conn->txdata_octets;
stats->rxdata_octets = conn->rxdata_octets;
stats->dataout_pdus = conn->dataout_pdus_cnt;
stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
stats->datain_pdus = conn->datain_pdus_cnt;
stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
stats->r2t_pdus = conn->r2t_pdus_cnt;
stats->digest_err = 0;
stats->timeout_err = 0;
stats->custom_length = 0;
strcpy(stats->custom[0].desc, "eh_abort_cnt");
stats->custom[0].value = conn->eh_abort_cnt;
}
/**
* beiscsi_set_params_for_offld - get the parameters for offload
* @beiscsi_conn: pointer to beiscsi_conn
* @params: pointer to offload_params structure
*/
static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
struct beiscsi_offload_params *params)
{
struct iscsi_conn *conn = beiscsi_conn->conn;
struct iscsi_session *session = conn->session;
AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
params, session->max_burst);
AMAP_SET_BITS(struct amap_beiscsi_offload_params,
max_send_data_segment_length, params,
conn->max_xmit_dlength);
AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
params, session->first_burst);
AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
session->erl);
AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
conn->datadgst_en);
AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
conn->hdrdgst_en);
AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
session->initial_r2t_en);
AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
session->imm_data_en);
AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
(conn->exp_statsn - 1));
}
/**
* beiscsi_conn_start - offload of session to chip
* @cls_conn: pointer to beiscsi_conn
*/
int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
{
struct iscsi_conn *conn = cls_conn->dd_data;
struct beiscsi_conn *beiscsi_conn = conn->dd_data;
struct beiscsi_endpoint *beiscsi_ep;
struct beiscsi_offload_params params;
struct iscsi_session *session = conn->session;
struct Scsi_Host *shost = iscsi_session_to_shost(session->cls_session);
struct beiscsi_hba *phba = iscsi_host_priv(shost);
memset(&params, 0, sizeof(struct beiscsi_offload_params));
beiscsi_ep = beiscsi_conn->ep;
if (!beiscsi_ep)
SE_DEBUG(DBG_LVL_1, "In beiscsi_conn_start , no beiscsi_ep\n");
free_mgmt_sgl_handle(phba, beiscsi_conn->plogin_sgl_handle);
beiscsi_conn->login_in_progress = 0;
beiscsi_set_params_for_offld(beiscsi_conn, &params);
beiscsi_offload_connection(beiscsi_conn, &params);
iscsi_conn_start(cls_conn);
return 0;
}
/**
* beiscsi_get_cid - Allocate a cid
* @phba: The phba instance
*/
static int beiscsi_get_cid(struct beiscsi_hba *phba)
{
unsigned short cid = 0xFFFF;
if (!phba->avlbl_cids)
return cid;
cid = phba->cid_array[phba->cid_alloc++];
if (phba->cid_alloc == phba->params.cxns_per_ctrl)
phba->cid_alloc = 0;
phba->avlbl_cids--;
return cid;
}
/**
* beiscsi_open_conn - Ask FW to open a TCP connection
* @ep: endpoint to be used
* @src_addr: The source IP address
* @dst_addr: The Destination IP address
*
* Asks the FW to open a TCP connection
*/
static int beiscsi_open_conn(struct iscsi_endpoint *ep,
struct sockaddr *src_addr,
struct sockaddr *dst_addr, int non_blocking)
{
struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
struct beiscsi_hba *phba = beiscsi_ep->phba;
int ret = -1;
beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
if (beiscsi_ep->ep_cid == 0xFFFF) {
SE_DEBUG(DBG_LVL_1, "No free cid available\n");
return ret;
}
SE_DEBUG(DBG_LVL_8, "In beiscsi_open_conn, ep_cid=%d ",
beiscsi_ep->ep_cid);
phba->ep_array[beiscsi_ep->ep_cid] = ep;
if (beiscsi_ep->ep_cid >
(phba->fw_config.iscsi_cid_start + phba->params.cxns_per_ctrl)) {
SE_DEBUG(DBG_LVL_1, "Failed in allocate iscsi cid\n");
return ret;
}
beiscsi_ep->cid_vld = 0;
return mgmt_open_connection(phba, dst_addr, beiscsi_ep);
}
/**
* beiscsi_put_cid - Free the cid
* @phba: The phba for which the cid is being freed
* @cid: The cid to free
*/
static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
{
phba->avlbl_cids++;
phba->cid_array[phba->cid_free++] = cid;
if (phba->cid_free == phba->params.cxns_per_ctrl)
phba->cid_free = 0;
}
/**
* beiscsi_free_ep - free endpoint
* @ep: pointer to iscsi endpoint structure
*/
static void beiscsi_free_ep(struct iscsi_endpoint *ep)
{
struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
struct beiscsi_hba *phba = beiscsi_ep->phba;
beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
beiscsi_ep->phba = NULL;
iscsi_destroy_endpoint(ep);
}
/**
* beiscsi_ep_connect - Ask chip to create TCP Conn
* @scsi_host: Pointer to scsi_host structure
* @dst_addr: The IP address of Target
* @non_blocking: blocking or non-blocking call
*
* This routines first asks chip to create a connection and then allocates an EP
*/
struct iscsi_endpoint *
beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
int non_blocking)
{
struct beiscsi_hba *phba;
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_endpoint *ep;
int ret;
SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_connect \n");
if (shost)
phba = iscsi_host_priv(shost);
else {
ret = -ENXIO;
SE_DEBUG(DBG_LVL_1, "shost is NULL \n");
return ERR_PTR(ret);
}
ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
if (!ep) {
ret = -ENOMEM;
return ERR_PTR(ret);
}
beiscsi_ep = ep->dd_data;
beiscsi_ep->phba = phba;
if (beiscsi_open_conn(ep, NULL, dst_addr, non_blocking)) {
SE_DEBUG(DBG_LVL_1, "Failed in allocate iscsi cid\n");
ret = -ENOMEM;
goto free_ep;
}
return ep;
free_ep:
beiscsi_free_ep(ep);
return ERR_PTR(ret);
}
/**
* beiscsi_ep_poll - Poll to see if connection is established
* @ep: endpoint to be used
* @timeout_ms: timeout specified in millisecs
*
* Poll to see if TCP connection established
*/
int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
{
struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_poll\n");
if (beiscsi_ep->cid_vld == 1)
return 1;
else
return 0;
}
/**
* beiscsi_close_conn - Upload the connection
* @ep: The iscsi endpoint
* @flag: The type of connection closure
*/
static int beiscsi_close_conn(struct iscsi_endpoint *ep, int flag)
{
int ret = 0;
struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
struct beiscsi_hba *phba = beiscsi_ep->phba;
if (MGMT_STATUS_SUCCESS !=
mgmt_upload_connection(phba, beiscsi_ep->ep_cid,
CONNECTION_UPLOAD_GRACEFUL)) {
SE_DEBUG(DBG_LVL_8, "upload failed for cid 0x%x",
beiscsi_ep->ep_cid);
ret = -1;
}
return ret;
}
/**
* beiscsi_ep_disconnect - Tears down the TCP connection
* @ep: endpoint to be used
*
* Tears down the TCP connection
*/
void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
{
struct beiscsi_conn *beiscsi_conn;
struct beiscsi_endpoint *beiscsi_ep;
struct beiscsi_hba *phba;
int flag = 0;
beiscsi_ep = ep->dd_data;
phba = beiscsi_ep->phba;
SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_disconnect\n");
if (beiscsi_ep->conn) {
beiscsi_conn = beiscsi_ep->conn;
iscsi_suspend_queue(beiscsi_conn->conn);
beiscsi_close_conn(ep, flag);
}
beiscsi_free_ep(ep);
}
/**
* beiscsi_unbind_conn_to_cid - Unbind the beiscsi_conn from phba conn table
* @phba: The phba instance
* @cid: The cid to free
*/
static int beiscsi_unbind_conn_to_cid(struct beiscsi_hba *phba,
unsigned int cid)
{
if (phba->conn_table[cid])
phba->conn_table[cid] = NULL;
else {
SE_DEBUG(DBG_LVL_8, "Connection table Not occupied. \n");
return -EINVAL;
}
return 0;
}
/**
* beiscsi_conn_stop - Invalidate and stop the connection
* @cls_conn: pointer to get iscsi_conn
* @flag: The type of connection closure
*/
void beiscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
{
struct iscsi_conn *conn = cls_conn->dd_data;
struct beiscsi_conn *beiscsi_conn = conn->dd_data;
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_session *session = conn->session;
struct Scsi_Host *shost = iscsi_session_to_shost(session->cls_session);
struct beiscsi_hba *phba = iscsi_host_priv(shost);
unsigned int status;
unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_stop\n");
beiscsi_ep = beiscsi_conn->ep;
if (!beiscsi_ep) {
SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_stop , no beiscsi_ep\n");
return;
}
status = mgmt_invalidate_connection(phba, beiscsi_ep,
beiscsi_ep->ep_cid, 1,
savecfg_flag);
if (status != MGMT_STATUS_SUCCESS) {
SE_DEBUG(DBG_LVL_1,
"mgmt_invalidate_connection Failed for cid=%d \n",
beiscsi_ep->ep_cid);
}
beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
iscsi_conn_stop(cls_conn, flag);
}

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/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*
*/
#ifndef _BE_ISCSI_
#define _BE_ISCSI_
#include "be_main.h"
#include "be_mgmt.h"
#define BE2_IPV4 0x1
#define BE2_IPV6 0x10
void beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn,
struct beiscsi_offload_params *params);
void beiscsi_offload_iscsi(struct beiscsi_hba *phba, struct iscsi_conn *conn,
struct beiscsi_conn *beiscsi_conn,
unsigned int fw_handle);
struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
uint16_t cmds_max,
uint16_t qdepth,
uint32_t initial_cmdsn);
void beiscsi_session_destroy(struct iscsi_cls_session *cls_session);
struct iscsi_cls_conn *beiscsi_conn_create(struct iscsi_cls_session
*cls_session, uint32_t cid);
int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
struct iscsi_cls_conn *cls_conn,
uint64_t transport_fd, int is_leading);
int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf);
int beiscsi_get_host_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf);
int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf, int buflen);
int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn);
void beiscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag);
struct iscsi_endpoint *beiscsi_ep_connect(struct Scsi_Host *shost,
struct sockaddr *dst_addr,
int non_blocking);
int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
void beiscsi_ep_disconnect(struct iscsi_endpoint *ep);
void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
struct iscsi_stats *stats);
#endif

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/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*
*/
#ifndef _BEISCSI_MAIN_
#define _BEISCSI_MAIN_
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/in.h>
#include <linux/blk-iopoll.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/iscsi_proto.h>
#include <scsi/libiscsi.h>
#include <scsi/scsi_transport_iscsi.h>
#include "be.h"
#define DRV_NAME "be2iscsi"
#define BUILD_STR "2.0.527.0"
#define BE_NAME "ServerEngines BladeEngine2" \
"Linux iSCSI Driver version" BUILD_STR
#define DRV_DESC BE_NAME " " "Driver"
#define BE_VENDOR_ID 0x19A2
#define BE_DEVICE_ID1 0x212
#define OC_DEVICE_ID1 0x702
#define OC_DEVICE_ID2 0x703
#define BE2_MAX_SESSIONS 64
#define BE2_CMDS_PER_CXN 128
#define BE2_LOGOUTS BE2_MAX_SESSIONS
#define BE2_TMFS 16
#define BE2_NOPOUT_REQ 16
#define BE2_ASYNCPDUS BE2_MAX_SESSIONS
#define BE2_MAX_ICDS 2048
#define BE2_SGE 32
#define BE2_DEFPDU_HDR_SZ 64
#define BE2_DEFPDU_DATA_SZ 8192
#define BE2_IO_DEPTH \
(BE2_MAX_ICDS / 2 - (BE2_LOGOUTS + BE2_TMFS + BE2_NOPOUT_REQ))
#define BEISCSI_SGLIST_ELEMENTS BE2_SGE
#define BEISCSI_MAX_CMNDS 1024 /* Max IO's per Ctrlr sht->can_queue */
#define BEISCSI_CMD_PER_LUN 128 /* scsi_host->cmd_per_lun */
#define BEISCSI_MAX_SECTORS 2048 /* scsi_host->max_sectors */
#define BEISCSI_MAX_CMD_LEN 16 /* scsi_host->max_cmd_len */
#define BEISCSI_NUM_MAX_LUN 256 /* scsi_host->max_lun */
#define BEISCSI_NUM_DEVICES_SUPPORTED 0x01
#define BEISCSI_MAX_FRAGS_INIT 192
#define BE_NUM_MSIX_ENTRIES 1
#define MPU_EP_SEMAPHORE 0xac
#define BE_SENSE_INFO_SIZE 258
#define BE_ISCSI_PDU_HEADER_SIZE 64
#define BE_MIN_MEM_SIZE 16384
#define IIOC_SCSI_DATA 0x05 /* Write Operation */
#define DBG_LVL 0x00000001
#define DBG_LVL_1 0x00000001
#define DBG_LVL_2 0x00000002
#define DBG_LVL_3 0x00000004
#define DBG_LVL_4 0x00000008
#define DBG_LVL_5 0x00000010
#define DBG_LVL_6 0x00000020
#define DBG_LVL_7 0x00000040
#define DBG_LVL_8 0x00000080
#define SE_DEBUG(debug_mask, fmt, args...) \
do { \
if (debug_mask & DBG_LVL) { \
printk(KERN_ERR "(%s():%d):", __func__, __LINE__);\
printk(fmt, ##args); \
} \
} while (0);
/**
* hardware needs the async PDU buffers to be posted in multiples of 8
* So have atleast 8 of them by default
*/
#define HWI_GET_ASYNC_PDU_CTX(phwi) (phwi->phwi_ctxt->pasync_ctx)
/********* Memory BAR register ************/
#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
/**
* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
* Disable" may still globally block interrupts in addition to individual
* interrupt masks; a mechanism for the device driver to block all interrupts
* atomically without having to arbitrate for the PCI Interrupt Disable bit
* with the OS.
*/
#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */
/********* ISR0 Register offset **********/
#define CEV_ISR0_OFFSET 0xC18
#define CEV_ISR_SIZE 4
/**
* Macros for reading/writing a protection domain or CSR registers
* in BladeEngine.
*/
#define DB_TXULP0_OFFSET 0x40
#define DB_RXULP0_OFFSET 0xA0
/********* Event Q door bell *************/
#define DB_EQ_OFFSET DB_CQ_OFFSET
#define DB_EQ_RING_ID_MASK 0x1FF /* bits 0 - 8 */
/* Clear the interrupt for this eq */
#define DB_EQ_CLR_SHIFT (9) /* bit 9 */
/* Must be 1 */
#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
/* Number of event entries processed */
#define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
/* Rearm bit */
#define DB_EQ_REARM_SHIFT (29) /* bit 29 */
/********* Compl Q door bell *************/
#define DB_CQ_OFFSET 0x120
#define DB_CQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
/* Number of event entries processed */
#define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
/* Rearm bit */
#define DB_CQ_REARM_SHIFT (29) /* bit 29 */
#define GET_HWI_CONTROLLER_WS(pc) (pc->phwi_ctrlr)
#define HWI_GET_DEF_BUFQ_ID(pc) (((struct hwi_controller *)\
(GET_HWI_CONTROLLER_WS(pc)))->default_pdu_data.id)
#define HWI_GET_DEF_HDRQ_ID(pc) (((struct hwi_controller *)\
(GET_HWI_CONTROLLER_WS(pc)))->default_pdu_hdr.id)
#define PAGES_REQUIRED(x) \
((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE))
enum be_mem_enum {
HWI_MEM_ADDN_CONTEXT,
HWI_MEM_CQ,
HWI_MEM_EQ,
HWI_MEM_WRB,
HWI_MEM_WRBH,
HWI_MEM_SGLH, /* 5 */
HWI_MEM_SGE,
HWI_MEM_ASYNC_HEADER_BUF,
HWI_MEM_ASYNC_DATA_BUF,
HWI_MEM_ASYNC_HEADER_RING,
HWI_MEM_ASYNC_DATA_RING, /* 10 */
HWI_MEM_ASYNC_HEADER_HANDLE,
HWI_MEM_ASYNC_DATA_HANDLE,
HWI_MEM_ASYNC_PDU_CONTEXT,
ISCSI_MEM_GLOBAL_HEADER,
SE_MEM_MAX /* 15 */
};
struct be_bus_address32 {
unsigned int address_lo;
unsigned int address_hi;
};
struct be_bus_address64 {
unsigned long long address;
};
struct be_bus_address {
union {
struct be_bus_address32 a32;
struct be_bus_address64 a64;
} u;
};
struct mem_array {
struct be_bus_address bus_address; /* Bus address of location */
void *virtual_address; /* virtual address to the location */
unsigned int size; /* Size required by memory block */
};
struct be_mem_descriptor {
unsigned int index; /* Index of this memory parameter */
unsigned int category; /* type indicates cached/non-cached */
unsigned int num_elements; /* number of elements in this
* descriptor
*/
unsigned int alignment_mask; /* Alignment mask for this block */
unsigned int size_in_bytes; /* Size required by memory block */
struct mem_array *mem_array;
};
struct sgl_handle {
unsigned int sgl_index;
struct iscsi_sge *pfrag;
};
struct hba_parameters {
unsigned int ios_per_ctrl;
unsigned int cxns_per_ctrl;
unsigned int asyncpdus_per_ctrl;
unsigned int icds_per_ctrl;
unsigned int num_sge_per_io;
unsigned int defpdu_hdr_sz;
unsigned int defpdu_data_sz;
unsigned int num_cq_entries;
unsigned int num_eq_entries;
unsigned int wrbs_per_cxn;
unsigned int crashmode;
unsigned int hba_num;
unsigned int mgmt_ws_sz;
unsigned int hwi_ws_sz;
unsigned int eto;
unsigned int ldto;
unsigned int dbg_flags;
unsigned int num_cxn;
unsigned int eq_timer;
/**
* These are calculated from other params. They're here
* for debug purposes
*/
unsigned int num_mcc_pages;
unsigned int num_mcc_cq_pages;
unsigned int num_cq_pages;
unsigned int num_eq_pages;
unsigned int num_async_pdu_buf_pages;
unsigned int num_async_pdu_buf_sgl_pages;
unsigned int num_async_pdu_buf_cq_pages;
unsigned int num_async_pdu_hdr_pages;
unsigned int num_async_pdu_hdr_sgl_pages;
unsigned int num_async_pdu_hdr_cq_pages;
unsigned int num_sge;
};
struct beiscsi_hba {
struct hba_parameters params;
struct hwi_controller *phwi_ctrlr;
unsigned int mem_req[SE_MEM_MAX];
/* PCI BAR mapped addresses */
u8 __iomem *csr_va; /* CSR */
u8 __iomem *db_va; /* Door Bell */
u8 __iomem *pci_va; /* PCI Config */
struct be_bus_address csr_pa; /* CSR */
struct be_bus_address db_pa; /* CSR */
struct be_bus_address pci_pa; /* CSR */
/* PCI representation of our HBA */
struct pci_dev *pcidev;
unsigned int state;
unsigned short asic_revision;
struct blk_iopoll iopoll;
struct be_mem_descriptor *init_mem;
unsigned short io_sgl_alloc_index;
unsigned short io_sgl_free_index;
unsigned short io_sgl_hndl_avbl;
struct sgl_handle **io_sgl_hndl_base;
unsigned short eh_sgl_alloc_index;
unsigned short eh_sgl_free_index;
unsigned short eh_sgl_hndl_avbl;
struct sgl_handle **eh_sgl_hndl_base;
spinlock_t io_sgl_lock;
spinlock_t mgmt_sgl_lock;
spinlock_t isr_lock;
unsigned int age;
unsigned short avlbl_cids;
unsigned short cid_alloc;
unsigned short cid_free;
struct beiscsi_conn *conn_table[BE2_MAX_SESSIONS * 2];
struct list_head hba_queue;
unsigned short *cid_array;
struct iscsi_endpoint **ep_array;
struct Scsi_Host *shost;
struct {
/**
* group together since they are used most frequently
* for cid to cri conversion
*/
unsigned int iscsi_cid_start;
unsigned int phys_port;
unsigned int isr_offset;
unsigned int iscsi_icd_start;
unsigned int iscsi_cid_count;
unsigned int iscsi_icd_count;
unsigned int pci_function;
unsigned short cid_alloc;
unsigned short cid_free;
unsigned short avlbl_cids;
spinlock_t cid_lock;
} fw_config;
u8 mac_address[ETH_ALEN];
unsigned short todo_cq;
unsigned short todo_mcc_cq;
char wq_name[20];
struct workqueue_struct *wq; /* The actuak work queue */
struct work_struct work_cqs; /* The work being queued */
struct be_ctrl_info ctrl;
};
struct beiscsi_session {
struct pci_pool *bhs_pool;
};
/**
* struct beiscsi_conn - iscsi connection structure
*/
struct beiscsi_conn {
struct iscsi_conn *conn;
struct beiscsi_hba *phba;
u32 exp_statsn;
u32 beiscsi_conn_cid;
struct beiscsi_endpoint *ep;
unsigned short login_in_progress;
struct sgl_handle *plogin_sgl_handle;
struct beiscsi_session *beiscsi_sess;
};
/* This structure is used by the chip */
struct pdu_data_out {
u32 dw[12];
};
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_pdu_data_out {
u8 opcode[6]; /* opcode */
u8 rsvd0[2]; /* should be 0 */
u8 rsvd1[7];
u8 final_bit; /* F bit */
u8 rsvd2[16];
u8 ahs_length[8]; /* no AHS */
u8 data_len_hi[8];
u8 data_len_lo[16]; /* DataSegmentLength */
u8 lun[64];
u8 itt[32]; /* ITT; initiator task tag */
u8 ttt[32]; /* TTT; valid for R2T or 0xffffffff */
u8 rsvd3[32];
u8 exp_stat_sn[32];
u8 rsvd4[32];
u8 data_sn[32];
u8 buffer_offset[32];
u8 rsvd5[32];
};
struct be_cmd_bhs {
struct iscsi_cmd iscsi_hdr;
unsigned char pad1[16];
struct pdu_data_out iscsi_data_pdu;
unsigned char pad2[BE_SENSE_INFO_SIZE -
sizeof(struct pdu_data_out)];
};
struct beiscsi_io_task {
struct wrb_handle *pwrb_handle;
struct sgl_handle *psgl_handle;
struct beiscsi_conn *conn;
struct scsi_cmnd *scsi_cmnd;
unsigned int cmd_sn;
unsigned int flags;
unsigned short cid;
unsigned short header_len;
struct be_cmd_bhs *cmd_bhs;
struct be_bus_address bhs_pa;
unsigned short bhs_len;
};
struct be_nonio_bhs {
struct iscsi_hdr iscsi_hdr;
unsigned char pad1[16];
struct pdu_data_out iscsi_data_pdu;
unsigned char pad2[BE_SENSE_INFO_SIZE -
sizeof(struct pdu_data_out)];
};
struct be_status_bhs {
struct iscsi_cmd iscsi_hdr;
unsigned char pad1[16];
/**
* The plus 2 below is to hold the sense info length that gets
* DMA'ed by RxULP
*/
unsigned char sense_info[BE_SENSE_INFO_SIZE];
};
struct iscsi_sge {
u32 dw[4];
};
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_iscsi_sge {
u8 addr_hi[32];
u8 addr_lo[32];
u8 sge_offset[22]; /* DWORD 2 */
u8 rsvd0[9]; /* DWORD 2 */
u8 last_sge; /* DWORD 2 */
u8 len[17]; /* DWORD 3 */
u8 rsvd1[15]; /* DWORD 3 */
};
struct beiscsi_offload_params {
u32 dw[5];
};
#define OFFLD_PARAMS_ERL 0x00000003
#define OFFLD_PARAMS_DDE 0x00000004
#define OFFLD_PARAMS_HDE 0x00000008
#define OFFLD_PARAMS_IR2T 0x00000010
#define OFFLD_PARAMS_IMD 0x00000020
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_beiscsi_offload_params {
u8 max_burst_length[32];
u8 max_send_data_segment_length[32];
u8 first_burst_length[32];
u8 erl[2];
u8 dde[1];
u8 hde[1];
u8 ir2t[1];
u8 imd[1];
u8 pad[26];
u8 exp_statsn[32];
};
/* void hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn,
struct beiscsi_hba *phba, struct sol_cqe *psol);*/
struct async_pdu_handle {
struct list_head link;
struct be_bus_address pa;
void *pbuffer;
unsigned int consumed;
unsigned char index;
unsigned char is_header;
unsigned short cri;
unsigned long buffer_len;
};
struct hwi_async_entry {
struct {
unsigned char hdr_received;
unsigned char hdr_len;
unsigned short bytes_received;
unsigned int bytes_needed;
struct list_head list;
} wait_queue;
struct list_head header_busy_list;
struct list_head data_busy_list;
};
#define BE_MIN_ASYNC_ENTRIES 128
struct hwi_async_pdu_context {
struct {
struct be_bus_address pa_base;
void *va_base;
void *ring_base;
struct async_pdu_handle *handle_base;
unsigned int host_write_ptr;
unsigned int ep_read_ptr;
unsigned int writables;
unsigned int free_entries;
unsigned int busy_entries;
unsigned int buffer_size;
unsigned int num_entries;
struct list_head free_list;
} async_header;
struct {
struct be_bus_address pa_base;
void *va_base;
void *ring_base;
struct async_pdu_handle *handle_base;
unsigned int host_write_ptr;
unsigned int ep_read_ptr;
unsigned int writables;
unsigned int free_entries;
unsigned int busy_entries;
unsigned int buffer_size;
struct list_head free_list;
unsigned int num_entries;
} async_data;
/**
* This is a varying size list! Do not add anything
* after this entry!!
*/
struct hwi_async_entry async_entry[BE_MIN_ASYNC_ENTRIES];
};
#define PDUCQE_CODE_MASK 0x0000003F
#define PDUCQE_DPL_MASK 0xFFFF0000
#define PDUCQE_INDEX_MASK 0x0000FFFF
struct i_t_dpdu_cqe {
u32 dw[4];
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_i_t_dpdu_cqe {
u8 db_addr_hi[32];
u8 db_addr_lo[32];
u8 code[6];
u8 cid[10];
u8 dpl[16];
u8 index[16];
u8 num_cons[10];
u8 rsvd0[4];
u8 final;
u8 valid;
} __packed;
#define CQE_VALID_MASK 0x80000000
#define CQE_CODE_MASK 0x0000003F
#define CQE_CID_MASK 0x0000FFC0
#define EQE_VALID_MASK 0x00000001
#define EQE_MAJORCODE_MASK 0x0000000E
#define EQE_RESID_MASK 0xFFFF0000
struct be_eq_entry {
u32 dw[1];
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_eq_entry {
u8 valid; /* DWORD 0 */
u8 major_code[3]; /* DWORD 0 */
u8 minor_code[12]; /* DWORD 0 */
u8 resource_id[16]; /* DWORD 0 */
} __packed;
struct cq_db {
u32 dw[1];
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_cq_db {
u8 qid[10];
u8 event[1];
u8 rsvd0[5];
u8 num_popped[13];
u8 rearm[1];
u8 rsvd1[2];
} __packed;
void beiscsi_process_eq(struct beiscsi_hba *phba);
struct iscsi_wrb {
u32 dw[16];
} __packed;
#define WRB_TYPE_MASK 0xF0000000
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_iscsi_wrb {
u8 lun[14]; /* DWORD 0 */
u8 lt; /* DWORD 0 */
u8 invld; /* DWORD 0 */
u8 wrb_idx[8]; /* DWORD 0 */
u8 dsp; /* DWORD 0 */
u8 dmsg; /* DWORD 0 */
u8 undr_run; /* DWORD 0 */
u8 over_run; /* DWORD 0 */
u8 type[4]; /* DWORD 0 */
u8 ptr2nextwrb[8]; /* DWORD 1 */
u8 r2t_exp_dtl[24]; /* DWORD 1 */
u8 sgl_icd_idx[12]; /* DWORD 2 */
u8 rsvd0[20]; /* DWORD 2 */
u8 exp_data_sn[32]; /* DWORD 3 */
u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */
u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */
u8 cmdsn_itt[32]; /* DWORD 6 */
u8 dif_ref_tag[32]; /* DWORD 7 */
u8 sge0_addr_hi[32]; /* DWORD 8 */
u8 sge0_addr_lo[32]; /* DWORD 9 */
u8 sge0_offset[22]; /* DWORD 10 */
u8 pbs; /* DWORD 10 */
u8 dif_mode[2]; /* DWORD 10 */
u8 rsvd1[6]; /* DWORD 10 */
u8 sge0_last; /* DWORD 10 */
u8 sge0_len[17]; /* DWORD 11 */
u8 dif_meta_tag[14]; /* DWORD 11 */
u8 sge0_in_ddr; /* DWORD 11 */
u8 sge1_addr_hi[32]; /* DWORD 12 */
u8 sge1_addr_lo[32]; /* DWORD 13 */
u8 sge1_r2t_offset[22]; /* DWORD 14 */
u8 rsvd2[9]; /* DWORD 14 */
u8 sge1_last; /* DWORD 14 */
u8 sge1_len[17]; /* DWORD 15 */
u8 ref_sgl_icd_idx[12]; /* DWORD 15 */
u8 rsvd3[2]; /* DWORD 15 */
u8 sge1_in_ddr; /* DWORD 15 */
} __packed;
struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid,
int index);
void
free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle);
struct pdu_nop_out {
u32 dw[12];
};
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_pdu_nop_out {
u8 opcode[6]; /* opcode 0x00 */
u8 i_bit; /* I Bit */
u8 x_bit; /* reserved; should be 0 */
u8 fp_bit_filler1[7];
u8 f_bit; /* always 1 */
u8 reserved1[16];
u8 ahs_length[8]; /* no AHS */
u8 data_len_hi[8];
u8 data_len_lo[16]; /* DataSegmentLength */
u8 lun[64];
u8 itt[32]; /* initiator id for ping or 0xffffffff */
u8 ttt[32]; /* target id for ping or 0xffffffff */
u8 cmd_sn[32];
u8 exp_stat_sn[32];
u8 reserved5[128];
};
#define PDUBASE_OPCODE_MASK 0x0000003F
#define PDUBASE_DATALENHI_MASK 0x0000FF00
#define PDUBASE_DATALENLO_MASK 0xFFFF0000
struct pdu_base {
u32 dw[16];
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_pdu_base {
u8 opcode[6];
u8 i_bit; /* immediate bit */
u8 x_bit; /* reserved, always 0 */
u8 reserved1[24]; /* opcode-specific fields */
u8 ahs_length[8]; /* length units is 4 byte words */
u8 data_len_hi[8];
u8 data_len_lo[16]; /* DatasegmentLength */
u8 lun[64]; /* lun or opcode-specific fields */
u8 itt[32]; /* initiator task tag */
u8 reserved4[224];
};
struct iscsi_target_context_update_wrb {
u32 dw[16];
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_iscsi_target_context_update_wrb {
u8 lun[14]; /* DWORD 0 */
u8 lt; /* DWORD 0 */
u8 invld; /* DWORD 0 */
u8 wrb_idx[8]; /* DWORD 0 */
u8 dsp; /* DWORD 0 */
u8 dmsg; /* DWORD 0 */
u8 undr_run; /* DWORD 0 */
u8 over_run; /* DWORD 0 */
u8 type[4]; /* DWORD 0 */
u8 ptr2nextwrb[8]; /* DWORD 1 */
u8 max_burst_length[19]; /* DWORD 1 */
u8 rsvd0[5]; /* DWORD 1 */
u8 rsvd1[15]; /* DWORD 2 */
u8 max_send_data_segment_length[17]; /* DWORD 2 */
u8 first_burst_length[14]; /* DWORD 3 */
u8 rsvd2[2]; /* DWORD 3 */
u8 tx_wrbindex_drv_msg[8]; /* DWORD 3 */
u8 rsvd3[5]; /* DWORD 3 */
u8 session_state[3]; /* DWORD 3 */
u8 rsvd4[16]; /* DWORD 4 */
u8 tx_jumbo; /* DWORD 4 */
u8 hde; /* DWORD 4 */
u8 dde; /* DWORD 4 */
u8 erl[2]; /* DWORD 4 */
u8 domain_id[5]; /* DWORD 4 */
u8 mode; /* DWORD 4 */
u8 imd; /* DWORD 4 */
u8 ir2t; /* DWORD 4 */
u8 notpredblq[2]; /* DWORD 4 */
u8 compltonack; /* DWORD 4 */
u8 stat_sn[32]; /* DWORD 5 */
u8 pad_buffer_addr_hi[32]; /* DWORD 6 */
u8 pad_buffer_addr_lo[32]; /* DWORD 7 */
u8 pad_addr_hi[32]; /* DWORD 8 */
u8 pad_addr_lo[32]; /* DWORD 9 */
u8 rsvd5[32]; /* DWORD 10 */
u8 rsvd6[32]; /* DWORD 11 */
u8 rsvd7[32]; /* DWORD 12 */
u8 rsvd8[32]; /* DWORD 13 */
u8 rsvd9[32]; /* DWORD 14 */
u8 rsvd10[32]; /* DWORD 15 */
} __packed;
struct be_ring {
u32 pages; /* queue size in pages */
u32 id; /* queue id assigned by beklib */
u32 num; /* number of elements in queue */
u32 cidx; /* consumer index */
u32 pidx; /* producer index -- not used by most rings */
u32 item_size; /* size in bytes of one object */
void *va; /* The virtual address of the ring. This
* should be last to allow 32 & 64 bit debugger
* extensions to work.
*/
};
struct hwi_wrb_context {
struct list_head wrb_handle_list;
struct list_head wrb_handle_drvr_list;
struct wrb_handle **pwrb_handle_base;
struct wrb_handle **pwrb_handle_basestd;
struct iscsi_wrb *plast_wrb;
unsigned short alloc_index;
unsigned short free_index;
unsigned short wrb_handles_available;
unsigned short cid;
};
struct hwi_controller {
struct list_head io_sgl_list;
struct list_head eh_sgl_list;
struct sgl_handle *psgl_handle_base;
unsigned int wrb_mem_index;
struct hwi_wrb_context wrb_context[BE2_MAX_SESSIONS * 2];
struct mcc_wrb *pmcc_wrb_base;
struct be_ring default_pdu_hdr;
struct be_ring default_pdu_data;
struct hwi_context_memory *phwi_ctxt;
unsigned short cq_errors[CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN];
};
enum hwh_type_enum {
HWH_TYPE_IO = 1,
HWH_TYPE_LOGOUT = 2,
HWH_TYPE_TMF = 3,
HWH_TYPE_NOP = 4,
HWH_TYPE_IO_RD = 5,
HWH_TYPE_LOGIN = 11,
HWH_TYPE_INVALID = 0xFFFFFFFF
};
struct wrb_handle {
enum hwh_type_enum type;
unsigned short wrb_index;
unsigned short nxt_wrb_index;
struct iscsi_task *pio_handle;
struct iscsi_wrb *pwrb;
};
struct hwi_context_memory {
struct be_eq_obj be_eq;
struct be_queue_info be_cq;
struct be_queue_info be_mcc_cq;
struct be_queue_info be_mcc;
struct be_queue_info be_def_hdrq;
struct be_queue_info be_def_dataq;
struct be_queue_info be_wrbq[BE2_MAX_SESSIONS];
struct be_mcc_wrb_context *pbe_mcc_context;
struct hwi_async_pdu_context *pasync_ctx;
};
#endif

321
drivers/scsi/be2iscsi/be_mgmt.c Normal file
View File

@ -0,0 +1,321 @@
/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*
*/
#include "be_mgmt.h"
#include "be_iscsi.h"
unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_fw_cfg *req = embedded_payload(wrb);
int status = 0;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
status = be_mbox_notify(ctrl);
if (!status) {
struct be_fw_cfg *pfw_cfg;
pfw_cfg = req;
phba->fw_config.phys_port = pfw_cfg->phys_port;
phba->fw_config.iscsi_icd_start =
pfw_cfg->ulp[0].icd_base;
phba->fw_config.iscsi_icd_count =
pfw_cfg->ulp[0].icd_count;
phba->fw_config.iscsi_cid_start =
pfw_cfg->ulp[0].sq_base;
phba->fw_config.iscsi_cid_count =
pfw_cfg->ulp[0].sq_count;
} else {
shost_printk(KERN_WARNING, phba->shost,
"Failed in mgmt_get_fw_config \n");
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl)
{
struct be_dma_mem nonemb_cmd;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_mgmt_controller_attributes *req;
struct be_sge *sge = nonembedded_sgl(wrb);
int status = 0;
nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
sizeof(struct be_mgmt_controller_attributes),
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
SE_DEBUG(DBG_LVL_1,
"Failed to allocate memory for mgmt_check_supported_fw"
"\n");
return -1;
}
nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
req = nonemb_cmd.va;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(nonemb_cmd.size);
status = be_mbox_notify(ctrl);
if (!status) {
struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
resp->params.hba_attribs.flashrom_version_string);
SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
resp->params.hba_attribs.firmware_version_string);
SE_DEBUG(DBG_LVL_8,
"Developer Build, not performing version check...\n");
} else
SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
if (nonemb_cmd.va)
pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
nonemb_cmd.va, nonemb_cmd.dma);
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct iscsi_cleanup_req *req = embedded_payload(wrb);
int status = 0;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
req->chute = chute;
req->hdr_ring_id = 0;
req->data_ring_id = 0;
status = be_mbox_notify(ctrl);
if (status)
shost_printk(KERN_WARNING, phba->shost,
" mgmt_epfw_cleanup , FAILED\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
unsigned int icd, unsigned int cid)
{
struct be_dma_mem nonemb_cmd;
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_sge *sge = nonembedded_sgl(wrb);
struct invalidate_commands_params_in *req;
int status = 0;
nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
sizeof(struct invalidate_commands_params_in),
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
SE_DEBUG(DBG_LVL_1,
"Failed to allocate memory for"
"mgmt_invalidate_icds \n");
return -1;
}
nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
req = nonemb_cmd.va;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
sizeof(*req));
req->ref_handle = 0;
req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
req->icd_count = 0;
req->table[req->icd_count].icd = icd;
req->table[req->icd_count].cid = cid;
sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(nonemb_cmd.size);
status = be_mbox_notify(ctrl);
if (status)
SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\n");
spin_unlock(&ctrl->mbox_lock);
if (nonemb_cmd.va)
pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
nonemb_cmd.va, nonemb_cmd.dma);
return status;
}
unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba,
struct beiscsi_endpoint *beiscsi_ep,
unsigned short cid,
unsigned short issue_reset,
unsigned short savecfg_flag)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct iscsi_invalidate_connection_params_in *req =
embedded_payload(wrb);
int status = 0;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
sizeof(*req));
req->session_handle = beiscsi_ep->fw_handle;
req->cid = cid;
if (issue_reset)
req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
else
req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
req->save_cfg = savecfg_flag;
status = be_mbox_notify(ctrl);
if (status)
SE_DEBUG(DBG_LVL_1, "Invalidation Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
unsigned short cid, unsigned int upload_flag)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct tcp_upload_params_in *req = embedded_payload(wrb);
int status = 0;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
req->id = (unsigned short)cid;
req->upload_type = (unsigned char)upload_flag;
status = be_mbox_notify(ctrl);
if (status)
SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
int mgmt_open_connection(struct beiscsi_hba *phba,
struct sockaddr *dst_addr,
struct beiscsi_endpoint *beiscsi_ep)
{
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct tcp_connect_and_offload_in *req = embedded_payload(wrb);
unsigned short def_hdr_id;
unsigned short def_data_id;
struct phys_addr template_address = { 0, 0 };
struct phys_addr *ptemplate_address;
int status = 0;
unsigned short cid = beiscsi_ep->ep_cid;
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
ptemplate_address = &template_address;
ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
sizeof(*req));
if (dst_addr->sa_family == PF_INET) {
__be32 s_addr = daddr_in->sin_addr.s_addr;
req->ip_address.ip_type = BE2_IPV4;
req->ip_address.ip_address[0] = s_addr & 0x000000ff;
req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
req->tcp_port = ntohs(daddr_in->sin_port);
beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
beiscsi_ep->ip_type = BE2_IPV4;
} else if (dst_addr->sa_family == PF_INET6) {
req->ip_address.ip_type = BE2_IPV6;
memcpy(&req->ip_address.ip_address,
&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
req->tcp_port = ntohs(daddr_in6->sin6_port);
beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
memcpy(&beiscsi_ep->dst6_addr,
&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
beiscsi_ep->ip_type = BE2_IPV6;
} else{
shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
dst_addr->sa_family);
spin_unlock(&ctrl->mbox_lock);
return -EINVAL;
}
req->cid = cid;
req->cq_id = phwi_context->be_cq.id;
req->defq_id = def_hdr_id;
req->hdr_ring_id = def_hdr_id;
req->data_ring_id = def_data_id;
req->do_offload = 1;
req->dataout_template_pa.lo = ptemplate_address->lo;
req->dataout_template_pa.hi = ptemplate_address->hi;
status = be_mbox_notify(ctrl);
if (!status) {
struct iscsi_endpoint *ep;
struct tcp_connect_and_offload_out *ptcpcnct_out =
embedded_payload(wrb);
ep = phba->ep_array[ptcpcnct_out->cid];
beiscsi_ep = ep->dd_data;
beiscsi_ep->fw_handle = 0;
beiscsi_ep->cid_vld = 1;
SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
} else
SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}

249
drivers/scsi/be2iscsi/be_mgmt.h Normal file
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/**
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*
*/
#ifndef _BEISCSI_MGMT_
#define _BEISCSI_MGMT_
#include <linux/types.h>
#include <linux/list.h>
#include "be_iscsi.h"
#include "be_main.h"
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_mcc_sge {
u8 pa_lo[32]; /* dword 0 */
u8 pa_hi[32]; /* dword 1 */
u8 length[32]; /* DWORD 2 */
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_mcc_wrb_payload {
union {
struct amap_mcc_sge sgl[19];
u8 embedded[59 * 32]; /* DWORDS 57 to 115 */
} u;
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_mcc_wrb {
u8 embedded; /* DWORD 0 */
u8 rsvd0[2]; /* DWORD 0 */
u8 sge_count[5]; /* DWORD 0 */
u8 rsvd1[16]; /* DWORD 0 */
u8 special[8]; /* DWORD 0 */
u8 payload_length[32];
u8 tag[64]; /* DWORD 2 */
u8 rsvd2[32]; /* DWORD 4 */
struct amap_mcc_wrb_payload payload;
};
struct mcc_sge {
u32 pa_lo; /* dword 0 */
u32 pa_hi; /* dword 1 */
u32 length; /* DWORD 2 */
} __packed;
struct mcc_wrb_payload {
union {
struct mcc_sge sgl[19];
u32 embedded[59]; /* DWORDS 57 to 115 */
} u;
} __packed;
#define MCC_WRB_EMBEDDED_MASK 0x00000001
struct mcc_wrb {
u32 dw[0]; /* DWORD 0 */
u32 payload_length;
u32 tag[2]; /* DWORD 2 */
u32 rsvd2[1]; /* DWORD 4 */
struct mcc_wrb_payload payload;
};
unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute);
int mgmt_open_connection(struct beiscsi_hba *phba, struct sockaddr *dst_addr,
struct beiscsi_endpoint *beiscsi_ep);
unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
unsigned short cid,
unsigned int upload_flag);
unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
unsigned int icd, unsigned int cid);
struct iscsi_invalidate_connection_params_in {
struct be_cmd_req_hdr hdr;
unsigned int session_handle;
unsigned short cid;
unsigned short unused;
unsigned short cleanup_type;
unsigned short save_cfg;
} __packed;
struct iscsi_invalidate_connection_params_out {
unsigned int session_handle;
unsigned short cid;
unsigned short unused;
} __packed;
union iscsi_invalidate_connection_params {
struct iscsi_invalidate_connection_params_in request;
struct iscsi_invalidate_connection_params_out response;
} __packed;
struct invalidate_command_table {
unsigned short icd;
unsigned short cid;
} __packed;
struct invalidate_commands_params_in {
struct be_cmd_req_hdr hdr;
unsigned int ref_handle;
unsigned int icd_count;
struct invalidate_command_table table[128];
unsigned short cleanup_type;
unsigned short unused;
} __packed;
struct invalidate_commands_params_out {
unsigned int ref_handle;
unsigned int icd_count;
unsigned int icd_status[128];
} __packed;
union invalidate_commands_params {
struct invalidate_commands_params_in request;
struct invalidate_commands_params_out response;
} __packed;
struct mgmt_hba_attributes {
u8 flashrom_version_string[32];
u8 manufacturer_name[32];
u32 supported_modes;
u8 seeprom_version_lo;
u8 seeprom_version_hi;
u8 rsvd0[2];
u32 fw_cmd_data_struct_version;
u32 ep_fw_data_struct_version;
u32 future_reserved[12];
u32 default_extended_timeout;
u8 controller_model_number[32];
u8 controller_description[64];
u8 controller_serial_number[32];
u8 ip_version_string[32];
u8 firmware_version_string[32];
u8 bios_version_string[32];
u8 redboot_version_string[32];
u8 driver_version_string[32];
u8 fw_on_flash_version_string[32];
u32 functionalities_supported;
u16 max_cdblength;
u8 asic_revision;
u8 generational_guid[16];
u8 hba_port_count;
u16 default_link_down_timeout;
u8 iscsi_ver_min_max;
u8 multifunction_device;
u8 cache_valid;
u8 hba_status;
u8 max_domains_supported;
u8 phy_port;
u32 firmware_post_status;
u32 hba_mtu[8];
u32 future_u32[4];
} __packed;
struct mgmt_controller_attributes {
struct mgmt_hba_attributes hba_attribs;
u16 pci_vendor_id;
u16 pci_device_id;
u16 pci_sub_vendor_id;
u16 pci_sub_system_id;
u8 pci_bus_number;
u8 pci_device_number;
u8 pci_function_number;
u8 interface_type;
u64 unique_identifier;
u8 netfilters;
u8 rsvd0[3];
u8 future_u32[4];
} __packed;
struct be_mgmt_controller_attributes {
struct be_cmd_req_hdr hdr;
struct mgmt_controller_attributes params;
} __packed;
struct be_mgmt_controller_attributes_resp {
struct be_cmd_resp_hdr hdr;
struct mgmt_controller_attributes params;
} __packed;
/* configuration management */
#define GET_MGMT_CONTROLLER_WS(phba) (phba->pmgmt_ws)
/* MGMT CMD flags */
#define MGMT_CMDH_FREE (1<<0)
/* --- MGMT_ERROR_CODES --- */
/* Error Codes returned in the status field of the CMD response header */
#define MGMT_STATUS_SUCCESS 0 /* The CMD completed without errors */
#define MGMT_STATUS_FAILED 1 /* Error status in the Status field of */
/* the CMD_RESPONSE_HEADER */
#define ISCSI_GET_PDU_TEMPLATE_ADDRESS(pc, pa) {\
pa->lo = phba->init_mem[ISCSI_MEM_GLOBAL_HEADER].mem_array[0].\
bus_address.u.a32.address_lo; \
pa->hi = phba->init_mem[ISCSI_MEM_GLOBAL_HEADER].mem_array[0].\
bus_address.u.a32.address_hi; \
}
struct beiscsi_endpoint {
struct beiscsi_hba *phba;
struct beiscsi_sess *sess;
struct beiscsi_conn *conn;
unsigned short ip_type;
char dst6_addr[ISCSI_ADDRESS_BUF_LEN];
unsigned long dst_addr;
unsigned short ep_cid;
unsigned int fw_handle;
u16 dst_tcpport;
u16 cid_vld;
};
unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba);
unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba,
struct beiscsi_endpoint *beiscsi_ep,
unsigned short cid,
unsigned short issue_reset,
unsigned short savecfg_flag);
#endif

15
drivers/scsi/bfa/Makefile Normal file
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obj-$(CONFIG_SCSI_BFA_FC) := bfa.o
bfa-y := bfad.o bfad_intr.o bfad_os.o bfad_im.o bfad_attr.o bfad_fwimg.o
bfa-y += bfa_core.o bfa_ioc.o bfa_iocfc.o bfa_fcxp.o bfa_lps.o
bfa-y += bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o
bfa-y += bfa_fcport.o bfa_port.o bfa_uf.o bfa_sgpg.o bfa_module.o bfa_ioim.o
bfa-y += bfa_itnim.o bfa_fcpim.o bfa_tskim.o bfa_log.o bfa_log_module.o
bfa-y += bfa_csdebug.o bfa_sm.o plog.o
bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o
bfa-y += bfa_fcs_uf.o bfa_fcs_lport.o fab.o fdmi.o ms.o ns.o scn.o loop.o
bfa-y += lport_api.o n2n.o rport.o rport_api.o rport_ftrs.o vport.o
ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna

57
drivers/scsi/bfa/bfa_callback_priv.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_CALLBACK_PRIV_H__
#define __BFA_CALLBACK_PRIV_H__
#include <cs/bfa_q.h>
typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
/**
* Generic BFA callback element.
*/
struct bfa_cb_qe_s {
struct list_head qe;
bfa_cb_cbfn_t cbfn;
bfa_boolean_t once;
u32 rsvd;
void *cbarg;
};
#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do { \
(__hcb_qe)->cbfn = (__cbfn); \
(__hcb_qe)->cbarg = (__cbarg); \
list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \
} while (0)
#define bfa_cb_dequeue(__hcb_qe) list_del(&(__hcb_qe)->qe)
#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do { \
(__hcb_qe)->cbfn = (__cbfn); \
(__hcb_qe)->cbarg = (__cbarg); \
if (!(__hcb_qe)->once) { \
list_add_tail((__hcb_qe), &(__bfa)->comp_q); \
(__hcb_qe)->once = BFA_TRUE; \
} \
} while (0)
#define bfa_cb_queue_done(__hcb_qe) do { \
(__hcb_qe)->once = BFA_FALSE; \
} while (0)
#endif /* __BFA_CALLBACK_PRIV_H__ */

205
drivers/scsi/bfa/bfa_cb_ioim_macros.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_cb_ioim_macros.h BFA IOIM driver interface macros.
*/
#ifndef __BFA_HCB_IOIM_MACROS_H__
#define __BFA_HCB_IOIM_MACROS_H__
#include <bfa_os_inc.h>
/*
* #include <linux/dma-mapping.h>
*
* #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include
* <scsi/scsi_device.h> #include <scsi/scsi_host.h>
*/
#include "bfad_im_compat.h"
/*
* task attribute values in FCP-2 FCP_CMND IU
*/
#define SIMPLE_Q 0
#define HEAD_OF_Q 1
#define ORDERED_Q 2
#define ACA_Q 4
#define UNTAGGED 5
static inline lun_t
bfad_int_to_lun(u32 luno)
{
union {
u16 scsi_lun[4];
lun_t bfa_lun;
} lun;
lun.bfa_lun = 0;
lun.scsi_lun[0] = bfa_os_htons(luno);
return (lun.bfa_lun);
}
/**
* Get LUN for the I/O request
*/
#define bfa_cb_ioim_get_lun(__dio) \
bfad_int_to_lun(((struct scsi_cmnd *)__dio)->device->lun)
/**
* Get CDB for the I/O request
*/
static inline u8 *
bfa_cb_ioim_get_cdb(struct bfad_ioim_s *dio)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
return ((u8 *) cmnd->cmnd);
}
/**
* Get I/O direction (read/write) for the I/O request
*/
static inline enum fcp_iodir
bfa_cb_ioim_get_iodir(struct bfad_ioim_s *dio)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
enum dma_data_direction dmadir;
dmadir = cmnd->sc_data_direction;
if (dmadir == DMA_TO_DEVICE)
return FCP_IODIR_WRITE;
else if (dmadir == DMA_FROM_DEVICE)
return FCP_IODIR_READ;
else
return FCP_IODIR_NONE;
}
/**
* Get IO size in bytes for the I/O request
*/
static inline u32
bfa_cb_ioim_get_size(struct bfad_ioim_s *dio)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
return (scsi_bufflen(cmnd));
}
/**
* Get timeout for the I/O request
*/
static inline u8
bfa_cb_ioim_get_timeout(struct bfad_ioim_s *dio)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
/*
* TBD: need a timeout for scsi passthru
*/
if (cmnd->device->host == NULL)
return 4;
return 0;
}
/**
* Get SG element for the I/O request given the SG element index
*/
static inline union bfi_addr_u
bfa_cb_ioim_get_sgaddr(struct bfad_ioim_s *dio, int sgeid)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
struct scatterlist *sge;
u64 addr;
sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid;
addr = (u64) sg_dma_address(sge);
return (*(union bfi_addr_u *) &addr);
}
static inline u32
bfa_cb_ioim_get_sglen(struct bfad_ioim_s *dio, int sgeid)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
struct scatterlist *sge;
u32 len;
sge = (struct scatterlist *)scsi_sglist(cmnd) + sgeid;
len = sg_dma_len(sge);
return len;
}
/**
* Get Command Reference Number for the I/O request. 0 if none.
*/
static inline u8
bfa_cb_ioim_get_crn(struct bfad_ioim_s *dio)
{
return 0;
}
/**
* Get SAM-3 priority for the I/O request. 0 is default.
*/
static inline u8
bfa_cb_ioim_get_priority(struct bfad_ioim_s *dio)
{
return 0;
}
/**
* Get task attributes for the I/O request. Default is FCP_TASK_ATTR_SIMPLE(0).
*/
static inline u8
bfa_cb_ioim_get_taskattr(struct bfad_ioim_s *dio)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
u8 task_attr = UNTAGGED;
if (cmnd->device->tagged_supported) {
switch (cmnd->tag) {
case HEAD_OF_QUEUE_TAG:
task_attr = HEAD_OF_Q;
break;
case ORDERED_QUEUE_TAG:
task_attr = ORDERED_Q;
break;
default:
task_attr = SIMPLE_Q;
break;
}
}
return task_attr;
}
/**
* Get CDB length in bytes for the I/O request. Default is FCP_CMND_CDB_LEN(16).
*/
static inline u8
bfa_cb_ioim_get_cdblen(struct bfad_ioim_s *dio)
{
struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
return (cmnd->cmd_len);
}
#endif /* __BFA_HCB_IOIM_MACROS_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <defs/bfa_defs_cee.h>
#include <cs/bfa_trc.h>
#include <cs/bfa_log.h>
#include <cs/bfa_debug.h>
#include <cee/bfa_cee.h>
#include <bfi/bfi_cee.h>
#include <bfi/bfi.h>
#include <bfa_ioc.h>
#include <cna/bfa_cna_trcmod.h>
BFA_TRC_FILE(CNA, CEE);
#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc)
static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg);
static void bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s
*dcbcx_stats);
static void bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s
*lldp_stats);
static void bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats);
static void bfa_cee_format_cee_cfg(void *buffer);
static void bfa_cee_format_cee_stats(void *buffer);
static void
bfa_cee_format_cee_stats(void *buffer)
{
struct bfa_cee_stats_s *cee_stats = buffer;
bfa_cee_format_dcbcx_stats(&cee_stats->dcbx_stats);
bfa_cee_format_lldp_stats(&cee_stats->lldp_stats);
bfa_cee_format_cfg_stats(&cee_stats->cfg_stats);
}
static void
bfa_cee_format_cee_cfg(void *buffer)
{
struct bfa_cee_attr_s *cee_cfg = buffer;
bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote);
}
static void
bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s *dcbcx_stats)
{
dcbcx_stats->subtlvs_unrecognized =
bfa_os_ntohl(dcbcx_stats->subtlvs_unrecognized);
dcbcx_stats->negotiation_failed =
bfa_os_ntohl(dcbcx_stats->negotiation_failed);
dcbcx_stats->remote_cfg_changed =
bfa_os_ntohl(dcbcx_stats->remote_cfg_changed);
dcbcx_stats->tlvs_received = bfa_os_ntohl(dcbcx_stats->tlvs_received);
dcbcx_stats->tlvs_invalid = bfa_os_ntohl(dcbcx_stats->tlvs_invalid);
dcbcx_stats->seqno = bfa_os_ntohl(dcbcx_stats->seqno);
dcbcx_stats->ackno = bfa_os_ntohl(dcbcx_stats->ackno);
dcbcx_stats->recvd_seqno = bfa_os_ntohl(dcbcx_stats->recvd_seqno);
dcbcx_stats->recvd_ackno = bfa_os_ntohl(dcbcx_stats->recvd_ackno);
}
static void
bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s *lldp_stats)
{
lldp_stats->frames_transmitted =
bfa_os_ntohl(lldp_stats->frames_transmitted);
lldp_stats->frames_aged_out = bfa_os_ntohl(lldp_stats->frames_aged_out);
lldp_stats->frames_discarded =
bfa_os_ntohl(lldp_stats->frames_discarded);
lldp_stats->frames_in_error = bfa_os_ntohl(lldp_stats->frames_in_error);
lldp_stats->frames_rcvd = bfa_os_ntohl(lldp_stats->frames_rcvd);
lldp_stats->tlvs_discarded = bfa_os_ntohl(lldp_stats->tlvs_discarded);
lldp_stats->tlvs_unrecognized =
bfa_os_ntohl(lldp_stats->tlvs_unrecognized);
}
static void
bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats)
{
cfg_stats->cee_status_down = bfa_os_ntohl(cfg_stats->cee_status_down);
cfg_stats->cee_status_up = bfa_os_ntohl(cfg_stats->cee_status_up);
cfg_stats->cee_hw_cfg_changed =
bfa_os_ntohl(cfg_stats->cee_hw_cfg_changed);
cfg_stats->recvd_invalid_cfg =
bfa_os_ntohl(cfg_stats->recvd_invalid_cfg);
}
static void
bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg)
{
lldp_cfg->time_to_interval = bfa_os_ntohs(lldp_cfg->time_to_interval);
lldp_cfg->enabled_system_cap =
bfa_os_ntohs(lldp_cfg->enabled_system_cap);
}
/**
* bfa_cee_attr_meminfo()
*
*
* @param[in] void
*
* @return Size of DMA region
*/
static u32
bfa_cee_attr_meminfo(void)
{
return BFA_ROUNDUP(sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ);
}
/**
* bfa_cee_stats_meminfo()
*
*
* @param[in] void
*
* @return Size of DMA region
*/
static u32
bfa_cee_stats_meminfo(void)
{
return BFA_ROUNDUP(sizeof(struct bfa_cee_stats_s), BFA_DMA_ALIGN_SZ);
}
/**
* bfa_cee_get_attr_isr()
*
*
* @param[in] cee - Pointer to the CEE module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_cee_get_attr_isr(struct bfa_cee_s *cee, bfa_status_t status)
{
cee->get_attr_status = status;
bfa_trc(cee, 0);
if (status == BFA_STATUS_OK) {
bfa_trc(cee, 0);
/*
* The requested data has been copied to the DMA area, *process
* it.
*/
memcpy(cee->attr, cee->attr_dma.kva,
sizeof(struct bfa_cee_attr_s));
bfa_cee_format_cee_cfg(cee->attr);
}
cee->get_attr_pending = BFA_FALSE;
if (cee->cbfn.get_attr_cbfn) {
bfa_trc(cee, 0);
cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status);
}
bfa_trc(cee, 0);
}
/**
* bfa_cee_get_attr_isr()
*
*
* @param[in] cee - Pointer to the CEE module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_cee_get_stats_isr(struct bfa_cee_s *cee, bfa_status_t status)
{
cee->get_stats_status = status;
bfa_trc(cee, 0);
if (status == BFA_STATUS_OK) {
bfa_trc(cee, 0);
/*
* The requested data has been copied to the DMA area, process
* it.
*/
memcpy(cee->stats, cee->stats_dma.kva,
sizeof(struct bfa_cee_stats_s));
bfa_cee_format_cee_stats(cee->stats);
}
cee->get_stats_pending = BFA_FALSE;
bfa_trc(cee, 0);
if (cee->cbfn.get_stats_cbfn) {
bfa_trc(cee, 0);
cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status);
}
bfa_trc(cee, 0);
}
/**
* bfa_cee_get_attr_isr()
*
*
* @param[in] cee - Pointer to the CEE module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_cee_reset_stats_isr(struct bfa_cee_s *cee, bfa_status_t status)
{
cee->reset_stats_status = status;
cee->reset_stats_pending = BFA_FALSE;
if (cee->cbfn.reset_stats_cbfn)
cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status);
}
/**
* bfa_cee_meminfo()
*
*
* @param[in] void
*
* @return Size of DMA region
*/
u32
bfa_cee_meminfo(void)
{
return (bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo());
}
/**
* bfa_cee_mem_claim()
*
*
* @param[in] cee CEE module pointer
* dma_kva Kernel Virtual Address of CEE DMA Memory
* dma_pa Physical Address of CEE DMA Memory
*
* @return void
*/
void
bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, u64 dma_pa)
{
cee->attr_dma.kva = dma_kva;
cee->attr_dma.pa = dma_pa;
cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo();
cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo();
cee->attr = (struct bfa_cee_attr_s *)dma_kva;
cee->stats =
(struct bfa_cee_stats_s *)(dma_kva + bfa_cee_attr_meminfo());
}
/**
* bfa_cee_get_attr()
*
* Send the request to the f/w to fetch CEE attributes.
*
* @param[in] Pointer to the CEE module data structure.
*
* @return Status
*/
bfa_status_t
bfa_cee_get_attr(struct bfa_cee_s *cee, struct bfa_cee_attr_s *attr,
bfa_cee_get_attr_cbfn_t cbfn, void *cbarg)
{
struct bfi_cee_get_req_s *cmd;
bfa_assert((cee != NULL) && (cee->ioc != NULL));
bfa_trc(cee, 0);
if (!bfa_ioc_is_operational(cee->ioc)) {
bfa_trc(cee, 0);
return BFA_STATUS_IOC_FAILURE;
}
if (cee->get_attr_pending == BFA_TRUE) {
bfa_trc(cee, 0);
return BFA_STATUS_DEVBUSY;
}
cee->get_attr_pending = BFA_TRUE;
cmd = (struct bfi_cee_get_req_s *)cee->get_cfg_mb.msg;
cee->attr = attr;
cee->cbfn.get_attr_cbfn = cbfn;
cee->cbfn.get_attr_cbarg = cbarg;
bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ,
bfa_ioc_portid(cee->ioc));
bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa);
bfa_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb);
bfa_trc(cee, 0);
return BFA_STATUS_OK;
}
/**
* bfa_cee_get_stats()
*
* Send the request to the f/w to fetch CEE statistics.
*
* @param[in] Pointer to the CEE module data structure.
*
* @return Status
*/
bfa_status_t
bfa_cee_get_stats(struct bfa_cee_s *cee, struct bfa_cee_stats_s *stats,
bfa_cee_get_stats_cbfn_t cbfn, void *cbarg)
{
struct bfi_cee_get_req_s *cmd;
bfa_assert((cee != NULL) && (cee->ioc != NULL));
if (!bfa_ioc_is_operational(cee->ioc)) {
bfa_trc(cee, 0);
return BFA_STATUS_IOC_FAILURE;
}
if (cee->get_stats_pending == BFA_TRUE) {
bfa_trc(cee, 0);
return BFA_STATUS_DEVBUSY;
}
cee->get_stats_pending = BFA_TRUE;
cmd = (struct bfi_cee_get_req_s *)cee->get_stats_mb.msg;
cee->stats = stats;
cee->cbfn.get_stats_cbfn = cbfn;
cee->cbfn.get_stats_cbarg = cbarg;
bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_STATS_REQ,
bfa_ioc_portid(cee->ioc));
bfa_dma_be_addr_set(cmd->dma_addr, cee->stats_dma.pa);
bfa_ioc_mbox_queue(cee->ioc, &cee->get_stats_mb);
bfa_trc(cee, 0);
return BFA_STATUS_OK;
}
/**
* bfa_cee_reset_stats()
*
*
* @param[in] Pointer to the CEE module data structure.
*
* @return Status
*/
bfa_status_t
bfa_cee_reset_stats(struct bfa_cee_s *cee, bfa_cee_reset_stats_cbfn_t cbfn,
void *cbarg)
{
struct bfi_cee_reset_stats_s *cmd;
bfa_assert((cee != NULL) && (cee->ioc != NULL));
if (!bfa_ioc_is_operational(cee->ioc)) {
bfa_trc(cee, 0);
return BFA_STATUS_IOC_FAILURE;
}
if (cee->reset_stats_pending == BFA_TRUE) {
bfa_trc(cee, 0);
return BFA_STATUS_DEVBUSY;
}
cee->reset_stats_pending = BFA_TRUE;
cmd = (struct bfi_cee_reset_stats_s *)cee->reset_stats_mb.msg;
cee->cbfn.reset_stats_cbfn = cbfn;
cee->cbfn.reset_stats_cbarg = cbarg;
bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_RESET_STATS,
bfa_ioc_portid(cee->ioc));
bfa_ioc_mbox_queue(cee->ioc, &cee->reset_stats_mb);
bfa_trc(cee, 0);
return BFA_STATUS_OK;
}
/**
* bfa_cee_isrs()
*
*
* @param[in] Pointer to the CEE module data structure.
*
* @return void
*/
void
bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m)
{
union bfi_cee_i2h_msg_u *msg;
struct bfi_cee_get_rsp_s *get_rsp;
struct bfa_cee_s *cee = (struct bfa_cee_s *)cbarg;
msg = (union bfi_cee_i2h_msg_u *)m;
get_rsp = (struct bfi_cee_get_rsp_s *)m;
bfa_trc(cee, msg->mh.msg_id);
switch (msg->mh.msg_id) {
case BFI_CEE_I2H_GET_CFG_RSP:
bfa_trc(cee, get_rsp->cmd_status);
bfa_cee_get_attr_isr(cee, get_rsp->cmd_status);
break;
case BFI_CEE_I2H_GET_STATS_RSP:
bfa_cee_get_stats_isr(cee, get_rsp->cmd_status);
break;
case BFI_CEE_I2H_RESET_STATS_RSP:
bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status);
break;
default:
bfa_assert(0);
}
}
/**
* bfa_cee_hbfail()
*
*
* @param[in] Pointer to the CEE module data structure.
*
* @return void
*/
void
bfa_cee_hbfail(void *arg)
{
struct bfa_cee_s *cee;
cee = (struct bfa_cee_s *)arg;
if (cee->get_attr_pending == BFA_TRUE) {
cee->get_attr_status = BFA_STATUS_FAILED;
cee->get_attr_pending = BFA_FALSE;
if (cee->cbfn.get_attr_cbfn) {
cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg,
BFA_STATUS_FAILED);
}
}
if (cee->get_stats_pending == BFA_TRUE) {
cee->get_stats_status = BFA_STATUS_FAILED;
cee->get_stats_pending = BFA_FALSE;
if (cee->cbfn.get_stats_cbfn) {
cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg,
BFA_STATUS_FAILED);
}
}
if (cee->reset_stats_pending == BFA_TRUE) {
cee->reset_stats_status = BFA_STATUS_FAILED;
cee->reset_stats_pending = BFA_FALSE;
if (cee->cbfn.reset_stats_cbfn) {
cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg,
BFA_STATUS_FAILED);
}
}
}
/**
* bfa_cee_attach()
*
*
* @param[in] cee - Pointer to the CEE module data structure
* ioc - Pointer to the ioc module data structure
* dev - Pointer to the device driver module data structure
* The device driver specific mbox ISR functions have
* this pointer as one of the parameters.
* trcmod -
* logmod -
*
* @return void
*/
void
bfa_cee_attach(struct bfa_cee_s *cee, struct bfa_ioc_s *ioc, void *dev,
struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod)
{
bfa_assert(cee != NULL);
cee->dev = dev;
cee->trcmod = trcmod;
cee->logmod = logmod;
cee->ioc = ioc;
bfa_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee);
bfa_ioc_hbfail_init(&cee->hbfail, bfa_cee_hbfail, cee);
bfa_ioc_hbfail_register(cee->ioc, &cee->hbfail);
bfa_trc(cee, 0);
}
/**
* bfa_cee_detach()
*
*
* @param[in] cee - Pointer to the CEE module data structure
*
* @return void
*/
void
bfa_cee_detach(struct bfa_cee_s *cee)
{
/*
* For now, just check if there is some ioctl pending and mark that as
* failed?
*/
/* bfa_cee_hbfail(cee); */
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <defs/bfa_defs_pci.h>
#include <cs/bfa_debug.h>
#include <bfa_iocfc.h>
#define DEF_CFG_NUM_FABRICS 1
#define DEF_CFG_NUM_LPORTS 256
#define DEF_CFG_NUM_CQS 4
#define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX)
#define DEF_CFG_NUM_TSKIM_REQS 128
#define DEF_CFG_NUM_FCXP_REQS 64
#define DEF_CFG_NUM_UF_BUFS 64
#define DEF_CFG_NUM_RPORTS 1024
#define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS)
#define DEF_CFG_NUM_TINS 256
#define DEF_CFG_NUM_SGPGS 2048
#define DEF_CFG_NUM_REQQ_ELEMS 256
#define DEF_CFG_NUM_RSPQ_ELEMS 64
#define DEF_CFG_NUM_SBOOT_TGTS 16
#define DEF_CFG_NUM_SBOOT_LUNS 16
/**
* Use this function query the memory requirement of the BFA library.
* This function needs to be called before bfa_attach() to get the
* memory required of the BFA layer for a given driver configuration.
*
* This call will fail, if the cap is out of range compared to pre-defined
* values within the BFA library
*
* @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate
* its configuration in this structure.
* The default values for struct bfa_iocfc_cfg_s can be
* fetched using bfa_cfg_get_default() API.
*
* If cap's boundary check fails, the library will use
* the default bfa_cap_t values (and log a warning msg).
*
* @param[out] meminfo - pointer to bfa_meminfo_t. This content
* indicates the memory type (see bfa_mem_type_t) and
* amount of memory required.
*
* Driver should allocate the memory, populate the
* starting address for each block and provide the same
* structure as input parameter to bfa_attach() call.
*
* @return void
*
* Special Considerations: @note
*/
void
bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo)
{
int i;
u32 km_len = 0, dm_len = 0;
bfa_assert((cfg != NULL) && (meminfo != NULL));
bfa_os_memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s));
meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_type =
BFA_MEM_TYPE_KVA;
meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_type =
BFA_MEM_TYPE_DMA;
bfa_iocfc_meminfo(cfg, &km_len, &dm_len);
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->meminfo(cfg, &km_len, &dm_len);
meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_len = km_len;
meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len;
}
/**
* Use this function to do attach the driver instance with the BFA
* library. This function will not trigger any HW initialization
* process (which will be done in bfa_init() call)
*
* This call will fail, if the cap is out of range compared to
* pre-defined values within the BFA library
*
* @param[out] bfa Pointer to bfa_t.
* @param[in] bfad Opaque handle back to the driver's IOC structure
* @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure
* that was used in bfa_cfg_get_meminfo().
* @param[in] meminfo Pointer to bfa_meminfo_t. The driver should
* use the bfa_cfg_get_meminfo() call to
* find the memory blocks required, allocate the
* required memory and provide the starting addresses.
* @param[in] pcidev pointer to struct bfa_pcidev_s
*
* @return
* void
*
* Special Considerations:
*
* @note
*
*/
void
bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
int i;
struct bfa_mem_elem_s *melem;
bfa->fcs = BFA_FALSE;
bfa_assert((cfg != NULL) && (meminfo != NULL));
/**
* initialize all memory pointers for iterative allocation
*/
for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
melem = meminfo->meminfo + i;
melem->kva_curp = melem->kva;
melem->dma_curp = melem->dma;
}
bfa_iocfc_attach(bfa, bfad, cfg, meminfo, pcidev);
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev);
}
/**
* Use this function to delete a BFA IOC. IOC should be stopped (by
* calling bfa_stop()) before this function call.
*
* @param[in] bfa - pointer to bfa_t.
*
* @return
* void
*
* Special Considerations:
*
* @note
*/
void
bfa_detach(struct bfa_s *bfa)
{
int i;
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->detach(bfa);
bfa_iocfc_detach(bfa);
}
void
bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod)
{
bfa->trcmod = trcmod;
}
void
bfa_init_log(struct bfa_s *bfa, struct bfa_log_mod_s *logmod)
{
bfa->logm = logmod;
}
void
bfa_init_aen(struct bfa_s *bfa, struct bfa_aen_s *aen)
{
bfa->aen = aen;
}
void
bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog)
{
bfa->plog = plog;
}
/**
* Initialize IOC.
*
* This function will return immediately, when the IOC initialization is
* completed, the bfa_cb_init() will be called.
*
* @param[in] bfa instance
*
* @return void
*
* Special Considerations:
*
* @note
* When this function returns, the driver should register the interrupt service
* routine(s) and enable the device interrupts. If this is not done,
* bfa_cb_init() will never get called
*/
void
bfa_init(struct bfa_s *bfa)
{
bfa_iocfc_init(bfa);
}
/**
* Use this function initiate the IOC configuration setup. This function
* will return immediately.
*
* @param[in] bfa instance
*
* @return None
*/
void
bfa_start(struct bfa_s *bfa)
{
bfa_iocfc_start(bfa);
}
/**
* Use this function quiese the IOC. This function will return immediately,
* when the IOC is actually stopped, the bfa_cb_stop() will be called.
*
* @param[in] bfa - pointer to bfa_t.
*
* @return None
*
* Special Considerations:
* bfa_cb_stop() could be called before or after bfa_stop() returns.
*
* @note
* In case of any failure, we could handle it automatically by doing a
* reset and then succeed the bfa_stop() call.
*/
void
bfa_stop(struct bfa_s *bfa)
{
bfa_iocfc_stop(bfa);
}
void
bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q)
{
INIT_LIST_HEAD(comp_q);
list_splice_tail_init(&bfa->comp_q, comp_q);
}
void
bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
{
struct list_head *qe;
struct list_head *qen;
struct bfa_cb_qe_s *hcb_qe;
list_for_each_safe(qe, qen, comp_q) {
hcb_qe = (struct bfa_cb_qe_s *) qe;
hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
}
}
void
bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q)
{
struct list_head *qe;
struct bfa_cb_qe_s *hcb_qe;
while (!list_empty(comp_q)) {
bfa_q_deq(comp_q, &qe);
hcb_qe = (struct bfa_cb_qe_s *) qe;
hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE);
}
}
void
bfa_attach_fcs(struct bfa_s *bfa)
{
bfa->fcs = BFA_TRUE;
}
/**
* Periodic timer heart beat from driver
*/
void
bfa_timer_tick(struct bfa_s *bfa)
{
bfa_timer_beat(&bfa->timer_mod);
}
#ifndef BFA_BIOS_BUILD
/**
* Return the list of PCI vendor/device id lists supported by this
* BFA instance.
*/
void
bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
{
static struct bfa_pciid_s __pciids[] = {
{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P},
{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P},
{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT},
};
*npciids = sizeof(__pciids) / sizeof(__pciids[0]);
*pciids = __pciids;
}
/**
* Use this function query the default struct bfa_iocfc_cfg_s value (compiled
* into BFA layer). The OS driver can then turn back and overwrite entries that
* have been configured by the user.
*
* @param[in] cfg - pointer to bfa_ioc_cfg_t
*
* @return
* void
*
* Special Considerations:
* note
*/
void
bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg)
{
cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS;
cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS;
cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS;
cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS;
cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS;
cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS;
cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS;
cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS;
cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS;
cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS;
cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS;
cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS;
cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS;
cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF;
cfg->drvcfg.ioc_recover = BFA_FALSE;
cfg->drvcfg.delay_comp = BFA_FALSE;
}
void
bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg)
{
bfa_cfg_get_default(cfg);
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN;
cfg->fwcfg.num_uf_bufs = BFA_UF_MIN;
cfg->fwcfg.num_rports = BFA_RPORT_MIN;
cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN;
cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN;
cfg->drvcfg.min_cfg = BFA_TRUE;
}
void
bfa_get_attr(struct bfa_s *bfa, struct bfa_ioc_attr_s *ioc_attr)
{
bfa_ioc_get_attr(&bfa->ioc, ioc_attr);
}
/**
* Retrieve firmware trace information on IOC failure.
*/
bfa_status_t
bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen)
{
return bfa_ioc_debug_fwsave(&bfa->ioc, trcdata, trclen);
}
/**
* Fetch firmware trace data.
*
* @param[in] bfa BFA instance
* @param[out] trcdata Firmware trace buffer
* @param[in,out] trclen Firmware trace buffer len
*
* @retval BFA_STATUS_OK Firmware trace is fetched.
* @retval BFA_STATUS_INPROGRESS Firmware trace fetch is in progress.
*/
bfa_status_t
bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen)
{
return bfa_ioc_debug_fwtrc(&bfa->ioc, trcdata, trclen);
}
#endif

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <cs/bfa_debug.h>
#include <bfa_os_inc.h>
#include <cs/bfa_q.h>
#include <log/bfa_log_hal.h>
/**
* cs_debug_api
*/
void
bfa_panic(int line, char *file, char *panicstr)
{
bfa_log(NULL, BFA_LOG_HAL_ASSERT, file, line, panicstr);
bfa_os_panic();
}
void
bfa_sm_panic(struct bfa_log_mod_s *logm, int line, char *file, int event)
{
bfa_log(logm, BFA_LOG_HAL_SM_ASSERT, file, line, event);
bfa_os_panic();
}
int
bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe)
{
struct list_head *tqe;
tqe = bfa_q_next(q);
while (tqe != q) {
if (tqe == qe)
return (1);
tqe = bfa_q_next(tqe);
if (tqe == NULL)
break;
}
return (0);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <log/bfa_log_hal.h>
BFA_TRC_FILE(HAL, FCPIM);
BFA_MODULE(fcpim);
/**
* hal_fcpim_mod BFA FCP Initiator Mode module
*/
/**
* Compute and return memory needed by FCP(im) module.
*/
static void
bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len)
{
bfa_itnim_meminfo(cfg, km_len, dm_len);
/**
* IO memory
*/
if (cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN)
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX)
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX;
*km_len += cfg->fwcfg.num_ioim_reqs *
(sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s));
*dm_len += cfg->fwcfg.num_ioim_reqs * BFI_IOIM_SNSLEN;
/**
* task management command memory
*/
if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN)
cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
*km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s);
}
static void
bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
bfa_trc(bfa, cfg->drvcfg.path_tov);
bfa_trc(bfa, cfg->fwcfg.num_rports);
bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs);
bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs);
fcpim->bfa = bfa;
fcpim->num_itnims = cfg->fwcfg.num_rports;
fcpim->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs;
fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs;
fcpim->path_tov = cfg->drvcfg.path_tov;
fcpim->delay_comp = cfg->drvcfg.delay_comp;
bfa_itnim_attach(fcpim, meminfo);
bfa_tskim_attach(fcpim, meminfo);
bfa_ioim_attach(fcpim, meminfo);
}
static void
bfa_fcpim_initdone(struct bfa_s *bfa)
{
}
static void
bfa_fcpim_detach(struct bfa_s *bfa)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
bfa_ioim_detach(fcpim);
bfa_tskim_detach(fcpim);
}
static void
bfa_fcpim_start(struct bfa_s *bfa)
{
}
static void
bfa_fcpim_stop(struct bfa_s *bfa)
{
}
static void
bfa_fcpim_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
struct bfa_itnim_s *itnim;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &fcpim->itnim_q) {
itnim = (struct bfa_itnim_s *) qe;
bfa_itnim_iocdisable(itnim);
}
}
void
bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
fcpim->path_tov = path_tov * 1000;
if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX)
fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX;
}
u16
bfa_fcpim_path_tov_get(struct bfa_s *bfa)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
return (fcpim->path_tov / 1000);
}
bfa_status_t
bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_fcpim_stats_s *modstats)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
*modstats = fcpim->stats;
return BFA_STATUS_OK;
}
bfa_status_t
bfa_fcpim_clr_modstats(struct bfa_s *bfa)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
memset(&fcpim->stats, 0, sizeof(struct bfa_fcpim_stats_s));
return BFA_STATUS_OK;
}
void
bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
bfa_assert(q_depth <= BFA_IOCFC_QDEPTH_MAX);
fcpim->q_depth = q_depth;
}
u16
bfa_fcpim_qdepth_get(struct bfa_s *bfa)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
return (fcpim->q_depth);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_FCPIM_PRIV_H__
#define __BFA_FCPIM_PRIV_H__
#include <bfa_fcpim.h>
#include <defs/bfa_defs_fcpim.h>
#include <cs/bfa_wc.h>
#include "bfa_sgpg_priv.h"
#define BFA_ITNIM_MIN 32
#define BFA_ITNIM_MAX 1024
#define BFA_IOIM_MIN 8
#define BFA_IOIM_MAX 2000
#define BFA_TSKIM_MIN 4
#define BFA_TSKIM_MAX 512
#define BFA_FCPIM_PATHTOV_DEF (30 * 1000) /* in millisecs */
#define BFA_FCPIM_PATHTOV_MAX (90 * 1000) /* in millisecs */
#define bfa_fcpim_stats(__fcpim, __stats) \
(__fcpim)->stats.__stats ++
struct bfa_fcpim_mod_s {
struct bfa_s *bfa;
struct bfa_itnim_s *itnim_arr;
struct bfa_ioim_s *ioim_arr;
struct bfa_ioim_sp_s *ioim_sp_arr;
struct bfa_tskim_s *tskim_arr;
struct bfa_dma_s snsbase;
int num_itnims;
int num_ioim_reqs;
int num_tskim_reqs;
u32 path_tov;
u16 q_depth;
u16 rsvd;
struct list_head itnim_q; /* queue of active itnim */
struct list_head ioim_free_q; /* free IO resources */
struct list_head ioim_resfree_q; /* IOs waiting for f/w */
struct list_head ioim_comp_q; /* IO global comp Q */
struct list_head tskim_free_q;
u32 ios_active; /* current active IOs */
u32 delay_comp;
struct bfa_fcpim_stats_s stats;
};
struct bfa_ioim_s;
struct bfa_tskim_s;
/**
* BFA IO (initiator mode)
*/
struct bfa_ioim_s {
struct list_head qe; /* queue elememt */
bfa_sm_t sm; /* BFA ioim state machine */
struct bfa_s *bfa; /* BFA module */
struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */
struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */
struct bfad_ioim_s *dio; /* driver IO handle */
u16 iotag; /* FWI IO tag */
u16 abort_tag; /* unqiue abort request tag */
u16 nsges; /* number of SG elements */
u16 nsgpgs; /* number of SG pages */
struct bfa_sgpg_s *sgpg; /* first SG page */
struct list_head sgpg_q; /* allocated SG pages */
struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */
bfa_cb_cbfn_t io_cbfn; /* IO completion handler */
struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */
};
struct bfa_ioim_sp_s {
struct bfi_msg_s comp_rspmsg; /* IO comp f/w response */
u8 *snsinfo; /* sense info for this IO */
struct bfa_sgpg_wqe_s sgpg_wqe; /* waitq elem for sgpg */
struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
bfa_boolean_t abort_explicit; /* aborted by OS */
struct bfa_tskim_s *tskim; /* Relevant TM cmd */
};
/**
* BFA Task management command (initiator mode)
*/
struct bfa_tskim_s {
struct list_head qe;
bfa_sm_t sm;
struct bfa_s *bfa; /* BFA module */
struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */
struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */
struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */
bfa_boolean_t notify; /* notify itnim on TM comp */
lun_t lun; /* lun if applicable */
enum fcp_tm_cmnd tm_cmnd; /* task management command */
u16 tsk_tag; /* FWI IO tag */
u8 tsecs; /* timeout in seconds */
struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
struct list_head io_q; /* queue of affected IOs */
struct bfa_wc_s wc; /* waiting counter */
struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */
enum bfi_tskim_status tsk_status; /* TM status */
};
/**
* BFA i-t-n (initiator mode)
*/
struct bfa_itnim_s {
struct list_head qe; /* queue element */
bfa_sm_t sm; /* i-t-n im BFA state machine */
struct bfa_s *bfa; /* bfa instance */
struct bfa_rport_s *rport; /* bfa rport */
void *ditn; /* driver i-t-n structure */
struct bfi_mhdr_s mhdr; /* pre-built mhdr */
u8 msg_no; /* itnim/rport firmware handle */
u8 reqq; /* CQ for requests */
struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */
struct list_head pending_q; /* queue of pending IO requests*/
struct list_head io_q; /* queue of active IO requests */
struct list_head io_cleanup_q; /* IO being cleaned up */
struct list_head tsk_q; /* queue of active TM commands */
struct list_head delay_comp_q;/* queue of failed inflight cmds */
bfa_boolean_t seq_rec; /* SQER supported */
bfa_boolean_t is_online; /* itnim is ONLINE for IO */
bfa_boolean_t iotov_active; /* IO TOV timer is active */
struct bfa_wc_s wc; /* waiting counter */
struct bfa_timer_s timer; /* pending IO TOV */
struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
struct bfa_fcpim_mod_s *fcpim; /* fcpim module */
struct bfa_itnim_hal_stats_s stats;
};
#define bfa_itnim_is_online(_itnim) (_itnim)->is_online
#define BFA_FCPIM_MOD(_hal) (&(_hal)->modules.fcpim_mod)
#define BFA_IOIM_FROM_TAG(_fcpim, _iotag) \
(&fcpim->ioim_arr[_iotag])
#define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag) \
(&fcpim->tskim_arr[_tmtag & (fcpim->num_tskim_reqs - 1)])
/*
* function prototypes
*/
void bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim,
struct bfa_meminfo_s *minfo);
void bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim);
void bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
void bfa_ioim_good_comp_isr(struct bfa_s *bfa,
struct bfi_msg_s *msg);
void bfa_ioim_cleanup(struct bfa_ioim_s *ioim);
void bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim,
struct bfa_tskim_s *tskim);
void bfa_ioim_iocdisable(struct bfa_ioim_s *ioim);
void bfa_ioim_tov(struct bfa_ioim_s *ioim);
void bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim,
struct bfa_meminfo_s *minfo);
void bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim);
void bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
void bfa_tskim_iodone(struct bfa_tskim_s *tskim);
void bfa_tskim_iocdisable(struct bfa_tskim_s *tskim);
void bfa_tskim_cleanup(struct bfa_tskim_s *tskim);
void bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len);
void bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim,
struct bfa_meminfo_s *minfo);
void bfa_itnim_detach(struct bfa_fcpim_mod_s *fcpim);
void bfa_itnim_iocdisable(struct bfa_itnim_s *itnim);
void bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
void bfa_itnim_iodone(struct bfa_itnim_s *itnim);
void bfa_itnim_tskdone(struct bfa_itnim_s *itnim);
bfa_boolean_t bfa_itnim_hold_io(struct bfa_itnim_s *itnim);
#endif /* __BFA_FCPIM_PRIV_H__ */

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drivers/scsi/bfa/bfa_fcport.c Normal file
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182
drivers/scsi/bfa/bfa_fcs.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_fcs.c BFA FCS main
*/
#include <fcs/bfa_fcs.h>
#include "fcs_port.h"
#include "fcs_uf.h"
#include "fcs_vport.h"
#include "fcs_rport.h"
#include "fcs_fabric.h"
#include "fcs_fcpim.h"
#include "fcs_fcptm.h"
#include "fcbuild.h"
#include "fcs.h"
#include "bfad_drv.h"
#include <fcb/bfa_fcb.h>
/**
* FCS sub-modules
*/
struct bfa_fcs_mod_s {
void (*modinit) (struct bfa_fcs_s *fcs);
void (*modexit) (struct bfa_fcs_s *fcs);
};
#define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit }
static struct bfa_fcs_mod_s fcs_modules[] = {
BFA_FCS_MODULE(bfa_fcs_pport),
BFA_FCS_MODULE(bfa_fcs_uf),
BFA_FCS_MODULE(bfa_fcs_fabric),
BFA_FCS_MODULE(bfa_fcs_vport),
BFA_FCS_MODULE(bfa_fcs_rport),
BFA_FCS_MODULE(bfa_fcs_fcpim),
};
/**
* fcs_api BFA FCS API
*/
static void
bfa_fcs_exit_comp(void *fcs_cbarg)
{
struct bfa_fcs_s *fcs = fcs_cbarg;
struct bfad_s *bfad = fcs->bfad;
complete(&bfad->comp);
}
/**
* fcs_api BFA FCS API
*/
/**
* FCS instance initialization.
*
* param[in] fcs FCS instance
* param[in] bfa BFA instance
* param[in] bfad BFA driver instance
*
* return None
*/
void
bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
bfa_boolean_t min_cfg)
{
int i;
struct bfa_fcs_mod_s *mod;
fcs->bfa = bfa;
fcs->bfad = bfad;
fcs->min_cfg = min_cfg;
bfa_attach_fcs(bfa);
fcbuild_init();
for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
mod = &fcs_modules[i];
mod->modinit(fcs);
}
}
/**
* Start FCS operations.
*/
void
bfa_fcs_start(struct bfa_fcs_s *fcs)
{
bfa_fcs_fabric_modstart(fcs);
}
/**
* FCS driver details initialization.
*
* param[in] fcs FCS instance
* param[in] driver_info Driver Details
*
* return None
*/
void
bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
struct bfa_fcs_driver_info_s *driver_info)
{
fcs->driver_info = *driver_info;
bfa_fcs_fabric_psymb_init(&fcs->fabric);
}
/**
* FCS instance cleanup and exit.
*
* param[in] fcs FCS instance
* return None
*/
void
bfa_fcs_exit(struct bfa_fcs_s *fcs)
{
struct bfa_fcs_mod_s *mod;
int nmods, i;
bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]);
for (i = 0; i < nmods; i++) {
bfa_wc_up(&fcs->wc);
mod = &fcs_modules[i];
mod->modexit(fcs);
}
bfa_wc_wait(&fcs->wc);
}
void
bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod)
{
fcs->trcmod = trcmod;
}
void
bfa_fcs_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod)
{
fcs->logm = logmod;
}
void
bfa_fcs_aen_init(struct bfa_fcs_s *fcs, struct bfa_aen_s *aen)
{
fcs->aen = aen;
}
void
bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs)
{
bfa_wc_down(&fcs->wc);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_fcs_port.c BFA FCS port
*/
#include <fcs/bfa_fcs.h>
#include <fcs/bfa_fcs_lport.h>
#include <fcs/bfa_fcs_rport.h>
#include <fcb/bfa_fcb_port.h>
#include <bfa_svc.h>
#include <log/bfa_log_fcs.h>
#include "fcs.h"
#include "fcs_lport.h"
#include "fcs_vport.h"
#include "fcs_rport.h"
#include "fcs_fcxp.h"
#include "fcs_trcmod.h"
#include "lport_priv.h"
#include <aen/bfa_aen_lport.h>
BFA_TRC_FILE(FCS, PORT);
/**
* Forward declarations
*/
static void bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port,
enum bfa_lport_aen_event event);
static void bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port,
struct fchs_s *rx_fchs, u8 reason_code,
u8 reason_code_expl);
static void bfa_fcs_port_plogi(struct bfa_fcs_port_s *port,
struct fchs_s *rx_fchs,
struct fc_logi_s *plogi);
static void bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port);
static void bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port);
static void bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port);
static void bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port);
static void bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port);
static void bfa_fcs_port_deleted(struct bfa_fcs_port_s *port);
static void bfa_fcs_port_echo(struct bfa_fcs_port_s *port,
struct fchs_s *rx_fchs,
struct fc_echo_s *echo, u16 len);
static void bfa_fcs_port_rnid(struct bfa_fcs_port_s *port,
struct fchs_s *rx_fchs,
struct fc_rnid_cmd_s *rnid, u16 len);
static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port,
struct fc_rnid_general_topology_data_s *gen_topo_data);
static struct {
void (*init) (struct bfa_fcs_port_s *port);
void (*online) (struct bfa_fcs_port_s *port);
void (*offline) (struct bfa_fcs_port_s *port);
} __port_action[] = {
{
bfa_fcs_port_unknown_init, bfa_fcs_port_unknown_online,
bfa_fcs_port_unknown_offline}, {
bfa_fcs_port_fab_init, bfa_fcs_port_fab_online,
bfa_fcs_port_fab_offline}, {
bfa_fcs_port_loop_init, bfa_fcs_port_loop_online,
bfa_fcs_port_loop_offline}, {
bfa_fcs_port_n2n_init, bfa_fcs_port_n2n_online,
bfa_fcs_port_n2n_offline},};
/**
* fcs_port_sm FCS logical port state machine
*/
enum bfa_fcs_port_event {
BFA_FCS_PORT_SM_CREATE = 1,
BFA_FCS_PORT_SM_ONLINE = 2,
BFA_FCS_PORT_SM_OFFLINE = 3,
BFA_FCS_PORT_SM_DELETE = 4,
BFA_FCS_PORT_SM_DELRPORT = 5,
};
static void bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event);
static void bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event);
static void bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event);
static void bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event);
static void bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event);
static void
bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event)
{
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_CREATE:
bfa_sm_set_state(port, bfa_fcs_port_sm_init);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, enum bfa_fcs_port_event event)
{
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_ONLINE:
bfa_sm_set_state(port, bfa_fcs_port_sm_online);
bfa_fcs_port_online_actions(port);
break;
case BFA_FCS_PORT_SM_DELETE:
bfa_sm_set_state(port, bfa_fcs_port_sm_uninit);
bfa_fcs_port_deleted(port);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe, *qen;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_OFFLINE:
bfa_sm_set_state(port, bfa_fcs_port_sm_offline);
bfa_fcs_port_offline_actions(port);
break;
case BFA_FCS_PORT_SM_DELETE:
__port_action[port->fabric->fab_type].offline(port);
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_port_sm_uninit);
bfa_fcs_port_deleted(port);
} else {
bfa_sm_set_state(port, bfa_fcs_port_sm_deleting);
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *)qe;
bfa_fcs_rport_delete(rport);
}
}
break;
case BFA_FCS_PORT_SM_DELRPORT:
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe, *qen;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_ONLINE:
bfa_sm_set_state(port, bfa_fcs_port_sm_online);
bfa_fcs_port_online_actions(port);
break;
case BFA_FCS_PORT_SM_DELETE:
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_port_sm_uninit);
bfa_fcs_port_deleted(port);
} else {
bfa_sm_set_state(port, bfa_fcs_port_sm_deleting);
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *)qe;
bfa_fcs_rport_delete(rport);
}
}
break;
case BFA_FCS_PORT_SM_DELRPORT:
case BFA_FCS_PORT_SM_OFFLINE:
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port,
enum bfa_fcs_port_event event)
{
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_DELRPORT:
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_port_sm_uninit);
bfa_fcs_port_deleted(port);
}
break;
default:
bfa_assert(0);
}
}
/**
* fcs_port_pvt
*/
/**
* Send AEN notification
*/
static void
bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port,
enum bfa_lport_aen_event event)
{
union bfa_aen_data_u aen_data;
struct bfa_log_mod_s *logmod = port->fcs->logm;
enum bfa_port_role role = port->port_cfg.roles;
wwn_t lpwwn = bfa_fcs_port_get_pwwn(port);
char lpwwn_ptr[BFA_STRING_32];
char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] =
{ "Initiator", "Target", "IPFC" };
wwn2str(lpwwn_ptr, lpwwn);
bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX);
switch (event) {
case BFA_LPORT_AEN_ONLINE:
bfa_log(logmod, BFA_AEN_LPORT_ONLINE, lpwwn_ptr,
role_str[role / 2]);
break;
case BFA_LPORT_AEN_OFFLINE:
bfa_log(logmod, BFA_AEN_LPORT_OFFLINE, lpwwn_ptr,
role_str[role / 2]);
break;
case BFA_LPORT_AEN_NEW:
bfa_log(logmod, BFA_AEN_LPORT_NEW, lpwwn_ptr,
role_str[role / 2]);
break;
case BFA_LPORT_AEN_DELETE:
bfa_log(logmod, BFA_AEN_LPORT_DELETE, lpwwn_ptr,
role_str[role / 2]);
break;
case BFA_LPORT_AEN_DISCONNECT:
bfa_log(logmod, BFA_AEN_LPORT_DISCONNECT, lpwwn_ptr,
role_str[role / 2]);
break;
default:
break;
}
aen_data.lport.vf_id = port->fabric->vf_id;
aen_data.lport.roles = role;
aen_data.lport.ppwwn =
bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs));
aen_data.lport.lpwwn = lpwwn;
}
/*
* Send a LS reject
*/
static void
bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs,
u8 reason_code, u8 reason_code_expl)
{
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
struct bfa_rport_s *bfa_rport = NULL;
int len;
bfa_trc(port->fcs, rx_fchs->s_id);
fcxp = bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp)
return;
len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
reason_code, reason_code_expl);
bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
}
/**
* Process incoming plogi from a remote port.
*/
static void
bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs,
struct fc_logi_s *plogi)
{
struct bfa_fcs_rport_s *rport;
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_fchs->s_id);
/*
* If min cfg mode is enabled, drop any incoming PLOGIs
*/
if (__fcs_min_cfg(port->fcs)) {
bfa_trc(port->fcs, rx_fchs->s_id);
return;
}
if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
bfa_trc(port->fcs, rx_fchs->s_id);
/*
* send a LS reject
*/
bfa_fcs_port_send_ls_rjt(port, rx_fchs,
FC_LS_RJT_RSN_PROTOCOL_ERROR,
FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
return;
}
/**
* Direct Attach P2P mode : verify address assigned by the r-port.
*/
if ((!bfa_fcs_fabric_is_switched(port->fabric))
&&
(memcmp
((void *)&bfa_fcs_port_get_pwwn(port), (void *)&plogi->port_name,
sizeof(wwn_t)) < 0)) {
if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
/*
* Address assigned to us cannot be a WKA
*/
bfa_fcs_port_send_ls_rjt(port, rx_fchs,
FC_LS_RJT_RSN_PROTOCOL_ERROR,
FC_LS_RJT_EXP_INVALID_NPORT_ID);
return;
}
port->pid = rx_fchs->d_id;
}
/**
* First, check if we know the device by pwwn.
*/
rport = bfa_fcs_port_get_rport_by_pwwn(port, plogi->port_name);
if (rport) {
/**
* Direct Attach P2P mode: handle address assigned by the rport.
*/
if ((!bfa_fcs_fabric_is_switched(port->fabric))
&&
(memcmp
((void *)&bfa_fcs_port_get_pwwn(port),
(void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
port->pid = rx_fchs->d_id;
rport->pid = rx_fchs->s_id;
}
bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
return;
}
/**
* Next, lookup rport by PID.
*/
rport = bfa_fcs_port_get_rport_by_pid(port, rx_fchs->s_id);
if (!rport) {
/**
* Inbound PLOGI from a new device.
*/
bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
return;
}
/**
* Rport is known only by PID.
*/
if (rport->pwwn) {
/**
* This is a different device with the same pid. Old device
* disappeared. Send implicit LOGO to old device.
*/
bfa_assert(rport->pwwn != plogi->port_name);
bfa_fcs_rport_logo_imp(rport);
/**
* Inbound PLOGI from a new device (with old PID).
*/
bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
return;
}
/**
* PLOGI crossing each other.
*/
bfa_assert(rport->pwwn == WWN_NULL);
bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
}
/*
* Process incoming ECHO.
* Since it does not require a login, it is processed here.
*/
static void
bfa_fcs_port_echo(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs,
struct fc_echo_s *echo, u16 rx_len)
{
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
struct bfa_rport_s *bfa_rport = NULL;
int len, pyld_len;
bfa_trc(port->fcs, rx_fchs->s_id);
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_len);
fcxp = bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp)
return;
len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
bfa_fcs_port_get_fcid(port), rx_fchs->ox_id);
/*
* Copy the payload (if any) from the echo frame
*/
pyld_len = rx_len - sizeof(struct fchs_s);
bfa_trc(port->fcs, pyld_len);
if (pyld_len > len)
memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
sizeof(struct fc_echo_s), (echo + 1),
(pyld_len - sizeof(struct fc_echo_s)));
bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
}
/*
* Process incoming RNID.
* Since it does not require a login, it is processed here.
*/
static void
bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs,
struct fc_rnid_cmd_s *rnid, u16 rx_len)
{
struct fc_rnid_common_id_data_s common_id_data;
struct fc_rnid_general_topology_data_s gen_topo_data;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
struct bfa_rport_s *bfa_rport = NULL;
u16 len;
u32 data_format;
bfa_trc(port->fcs, rx_fchs->s_id);
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_len);
fcxp = bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp)
return;
/*
* Check Node Indentification Data Format
* We only support General Topology Discovery Format.
* For any other requested Data Formats, we return Common Node Id Data
* only, as per FC-LS.
*/
bfa_trc(port->fcs, rnid->node_id_data_format);
if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
/*
* Get General topology data for this port
*/
bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
} else {
data_format = RNID_NODEID_DATA_FORMAT_COMMON;
}
/*
* Copy the Node Id Info
*/
common_id_data.port_name = bfa_fcs_port_get_pwwn(port);
common_id_data.node_name = bfa_fcs_port_get_nwwn(port);
len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
data_format, &common_id_data, &gen_topo_data);
bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
return;
}
/*
* Fill out General Topolpgy Discovery Data for RNID ELS.
*/
static void
bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port,
struct fc_rnid_general_topology_data_s *gen_topo_data)
{
bfa_os_memset(gen_topo_data, 0,
sizeof(struct fc_rnid_general_topology_data_s));
gen_topo_data->asso_type = bfa_os_htonl(RNID_ASSOCIATED_TYPE_HOST);
gen_topo_data->phy_port_num = 0; /* @todo */
gen_topo_data->num_attached_nodes = bfa_os_htonl(1);
}
static void
bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port)
{
bfa_trc(port->fcs, port->fabric->oper_type);
__port_action[port->fabric->fab_type].init(port);
__port_action[port->fabric->fab_type].online(port);
bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_ONLINE);
bfa_fcb_port_online(port->fcs->bfad, port->port_cfg.roles,
port->fabric->vf_drv, (port->vport == NULL) ?
NULL : port->vport->vport_drv);
}
static void
bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port)
{
struct list_head *qe, *qen;
struct bfa_fcs_rport_s *rport;
bfa_trc(port->fcs, port->fabric->oper_type);
__port_action[port->fabric->fab_type].offline(port);
if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE) {
bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
} else {
bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_OFFLINE);
}
bfa_fcb_port_offline(port->fcs->bfad, port->port_cfg.roles,
port->fabric->vf_drv,
(port->vport == NULL) ? NULL : port->vport->vport_drv);
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *)qe;
bfa_fcs_rport_offline(rport);
}
}
static void
bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port)
{
bfa_assert(0);
}
static void
bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port)
{
bfa_assert(0);
}
static void
bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port)
{
bfa_assert(0);
}
static void
bfa_fcs_port_deleted(struct bfa_fcs_port_s *port)
{
bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DELETE);
/*
* Base port will be deleted by the OS driver
*/
if (port->vport) {
bfa_fcb_port_delete(port->fcs->bfad, port->port_cfg.roles,
port->fabric->vf_drv,
port->vport ? port->vport->vport_drv : NULL);
bfa_fcs_vport_delete_comp(port->vport);
} else {
bfa_fcs_fabric_port_delete_comp(port->fabric);
}
}
/**
* fcs_lport_api BFA FCS port API
*/
/**
* Module initialization
*/
void
bfa_fcs_port_modinit(struct bfa_fcs_s *fcs)
{
}
/**
* Module cleanup
*/
void
bfa_fcs_port_modexit(struct bfa_fcs_s *fcs)
{
bfa_fcs_modexit_comp(fcs);
}
/**
* Unsolicited frame receive handling.
*/
void
bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs,
u16 len)
{
u32 pid = fchs->s_id;
struct bfa_fcs_rport_s *rport = NULL;
struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
bfa_stats(lport, uf_recvs);
if (!bfa_fcs_port_is_online(lport)) {
bfa_stats(lport, uf_recv_drops);
return;
}
/**
* First, handle ELSs that donot require a login.
*/
/*
* Handle PLOGI first
*/
if ((fchs->type == FC_TYPE_ELS) &&
(els_cmd->els_code == FC_ELS_PLOGI)) {
bfa_fcs_port_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
return;
}
/*
* Handle ECHO separately.
*/
if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
bfa_fcs_port_echo(lport, fchs,
(struct fc_echo_s *) els_cmd, len);
return;
}
/*
* Handle RNID separately.
*/
if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
bfa_fcs_port_rnid(lport, fchs,
(struct fc_rnid_cmd_s *) els_cmd, len);
return;
}
/**
* look for a matching remote port ID
*/
rport = bfa_fcs_port_get_rport_by_pid(lport, pid);
if (rport) {
bfa_trc(rport->fcs, fchs->s_id);
bfa_trc(rport->fcs, fchs->d_id);
bfa_trc(rport->fcs, fchs->type);
bfa_fcs_rport_uf_recv(rport, fchs, len);
return;
}
/**
* Only handles ELS frames for now.
*/
if (fchs->type != FC_TYPE_ELS) {
bfa_trc(lport->fcs, fchs->type);
bfa_assert(0);
return;
}
bfa_trc(lport->fcs, els_cmd->els_code);
if (els_cmd->els_code == FC_ELS_RSCN) {
bfa_fcs_port_scn_process_rscn(lport, fchs, len);
return;
}
if (els_cmd->els_code == FC_ELS_LOGO) {
/**
* @todo Handle LOGO frames received.
*/
bfa_trc(lport->fcs, els_cmd->els_code);
return;
}
if (els_cmd->els_code == FC_ELS_PRLI) {
/**
* @todo Handle PRLI frames received.
*/
bfa_trc(lport->fcs, els_cmd->els_code);
return;
}
/**
* Unhandled ELS frames. Send a LS_RJT.
*/
bfa_fcs_port_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
FC_LS_RJT_EXP_NO_ADDL_INFO);
}
/**
* PID based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_port_get_rport_by_pid(struct bfa_fcs_port_s *port, u32 pid)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *)qe;
if (rport->pid == pid)
return rport;
}
bfa_trc(port->fcs, pid);
return NULL;
}
/**
* PWWN based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_port_get_rport_by_pwwn(struct bfa_fcs_port_s *port, wwn_t pwwn)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *)qe;
if (wwn_is_equal(rport->pwwn, pwwn))
return rport;
}
bfa_trc(port->fcs, pwwn);
return (NULL);
}
/**
* NWWN based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_port_get_rport_by_nwwn(struct bfa_fcs_port_s *port, wwn_t nwwn)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *)qe;
if (wwn_is_equal(rport->nwwn, nwwn))
return rport;
}
bfa_trc(port->fcs, nwwn);
return (NULL);
}
/**
* Called by rport module when new rports are discovered.
*/
void
bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port,
struct bfa_fcs_rport_s *rport)
{
list_add_tail(&rport->qe, &port->rport_q);
port->num_rports++;
}
/**
* Called by rport module to when rports are deleted.
*/
void
bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port,
struct bfa_fcs_rport_s *rport)
{
bfa_assert(bfa_q_is_on_q(&port->rport_q, rport));
list_del(&rport->qe);
port->num_rports--;
bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
}
/**
* Called by fabric for base port when fabric login is complete.
* Called by vport for virtual ports when FDISC is complete.
*/
void
bfa_fcs_port_online(struct bfa_fcs_port_s *port)
{
bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
}
/**
* Called by fabric for base port when fabric goes offline.
* Called by vport for virtual ports when virtual port becomes offline.
*/
void
bfa_fcs_port_offline(struct bfa_fcs_port_s *port)
{
bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
}
/**
* Called by fabric to delete base lport and associated resources.
*
* Called by vport to delete lport and associated resources. Should call
* bfa_fcs_vport_delete_comp() for vports on completion.
*/
void
bfa_fcs_port_delete(struct bfa_fcs_port_s *port)
{
bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
}
/**
* Called by fabric in private loop topology to process LIP event.
*/
void
bfa_fcs_port_lip(struct bfa_fcs_port_s *port)
{
}
/**
* Return TRUE if port is online, else return FALSE
*/
bfa_boolean_t
bfa_fcs_port_is_online(struct bfa_fcs_port_s *port)
{
return (bfa_sm_cmp_state(port, bfa_fcs_port_sm_online));
}
/**
* Logical port initialization of base or virtual port.
* Called by fabric for base port or by vport for virtual ports.
*/
void
bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
u16 vf_id, struct bfa_port_cfg_s *port_cfg,
struct bfa_fcs_vport_s *vport)
{
lport->fcs = fcs;
lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
bfa_os_assign(lport->port_cfg, *port_cfg);
lport->vport = vport;
lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) :
bfa_lps_get_tag(lport->fabric->lps);
INIT_LIST_HEAD(&lport->rport_q);
lport->num_rports = 0;
lport->bfad_port =
bfa_fcb_port_new(fcs->bfad, lport, lport->port_cfg.roles,
lport->fabric->vf_drv,
vport ? vport->vport_drv : NULL);
bfa_fcs_port_aen_post(lport, BFA_LPORT_AEN_NEW);
bfa_sm_set_state(lport, bfa_fcs_port_sm_uninit);
bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
}
/**
* fcs_lport_api
*/
void
bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port,
struct bfa_port_attr_s *port_attr)
{
if (bfa_sm_cmp_state(port, bfa_fcs_port_sm_online))
port_attr->pid = port->pid;
else
port_attr->pid = 0;
port_attr->port_cfg = port->port_cfg;
if (port->fabric) {
port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric);
port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric);
port_attr->fabric_name = bfa_fcs_port_get_fabric_name(port);
memcpy(port_attr->fabric_ip_addr,
bfa_fcs_port_get_fabric_ipaddr(port),
BFA_FCS_FABRIC_IPADDR_SZ);
if (port->vport != NULL)
port_attr->port_type = BFA_PPORT_TYPE_VPORT;
} else {
port_attr->port_type = BFA_PPORT_TYPE_UNKNOWN;
port_attr->state = BFA_PORT_UNINIT;
}
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_fcs_pport.c BFA FCS PPORT ( physical port)
*/
#include <fcs/bfa_fcs.h>
#include <bfa_svc.h>
#include <fcs/bfa_fcs_fabric.h>
#include "fcs_trcmod.h"
#include "fcs.h"
#include "fcs_fabric.h"
#include "fcs_port.h"
BFA_TRC_FILE(FCS, PPORT);
static void
bfa_fcs_pport_event_handler(void *cbarg, bfa_pport_event_t event)
{
struct bfa_fcs_s *fcs = cbarg;
bfa_trc(fcs, event);
switch (event) {
case BFA_PPORT_LINKUP:
bfa_fcs_fabric_link_up(&fcs->fabric);
break;
case BFA_PPORT_LINKDOWN:
bfa_fcs_fabric_link_down(&fcs->fabric);
break;
case BFA_PPORT_TRUNK_LINKDOWN:
bfa_assert(0);
break;
default:
bfa_assert(0);
}
}
void
bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs)
{
bfa_pport_event_register(fcs->bfa, bfa_fcs_pport_event_handler,
fcs);
}
void
bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs)
{
bfa_fcs_modexit_comp(fcs);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_fcs_uf.c BFA FCS UF ( Unsolicited Frames)
*/
#include <fcs/bfa_fcs.h>
#include <bfa_svc.h>
#include <fcs/bfa_fcs_fabric.h>
#include "fcs.h"
#include "fcs_trcmod.h"
#include "fcs_fabric.h"
#include "fcs_uf.h"
BFA_TRC_FILE(FCS, UF);
/**
* BFA callback for unsolicited frame receive handler.
*
* @param[in] cbarg callback arg for receive handler
* @param[in] uf unsolicited frame descriptor
*
* @return None
*/
static void
bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
{
struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg;
struct fchs_s *fchs = bfa_uf_get_frmbuf(uf);
u16 len = bfa_uf_get_frmlen(uf);
struct fc_vft_s *vft;
struct bfa_fcs_fabric_s *fabric;
/**
* check for VFT header
*/
if (fchs->routing == FC_RTG_EXT_HDR &&
fchs->cat_info == FC_CAT_VFT_HDR) {
bfa_stats(fcs, uf.tagged);
vft = bfa_uf_get_frmbuf(uf);
if (fcs->port_vfid == vft->vf_id)
fabric = &fcs->fabric;
else
fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id);
/**
* drop frame if vfid is unknown
*/
if (!fabric) {
bfa_assert(0);
bfa_stats(fcs, uf.vfid_unknown);
bfa_uf_free(uf);
return;
}
/**
* skip vft header
*/
fchs = (struct fchs_s *) (vft + 1);
len -= sizeof(struct fc_vft_s);
bfa_trc(fcs, vft->vf_id);
} else {
bfa_stats(fcs, uf.untagged);
fabric = &fcs->fabric;
}
bfa_trc(fcs, ((u32 *) fchs)[0]);
bfa_trc(fcs, ((u32 *) fchs)[1]);
bfa_trc(fcs, ((u32 *) fchs)[2]);
bfa_trc(fcs, ((u32 *) fchs)[3]);
bfa_trc(fcs, ((u32 *) fchs)[4]);
bfa_trc(fcs, ((u32 *) fchs)[5]);
bfa_trc(fcs, len);
bfa_fcs_fabric_uf_recv(fabric, fchs, len);
bfa_uf_free(uf);
}
void
bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs)
{
bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs);
}
void
bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs)
{
bfa_fcs_modexit_comp(fcs);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfi/bfi_uf.h>
#include <cs/bfa_debug.h>
BFA_TRC_FILE(HAL, FCXP);
BFA_MODULE(fcxp);
/**
* forward declarations
*/
static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete);
static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
struct bfi_fcxp_send_rsp_s *fcxp_rsp);
static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen,
struct bfa_fcxp_s *fcxp, struct fchs_s *fchs);
static void bfa_fcxp_qresume(void *cbarg);
static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
struct bfi_fcxp_send_req_s *send_req);
/**
* fcxp_pvt BFA FCXP private functions
*/
static void
claim_fcxp_req_rsp_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi)
{
u8 *dm_kva = NULL;
u64 dm_pa;
u32 buf_pool_sz;
dm_kva = bfa_meminfo_dma_virt(mi);
dm_pa = bfa_meminfo_dma_phys(mi);
buf_pool_sz = mod->req_pld_sz * mod->num_fcxps;
/*
* Initialize the fcxp req payload list
*/
mod->req_pld_list_kva = dm_kva;
mod->req_pld_list_pa = dm_pa;
dm_kva += buf_pool_sz;
dm_pa += buf_pool_sz;
bfa_os_memset(mod->req_pld_list_kva, 0, buf_pool_sz);
/*
* Initialize the fcxp rsp payload list
*/
buf_pool_sz = mod->rsp_pld_sz * mod->num_fcxps;
mod->rsp_pld_list_kva = dm_kva;
mod->rsp_pld_list_pa = dm_pa;
dm_kva += buf_pool_sz;
dm_pa += buf_pool_sz;
bfa_os_memset(mod->rsp_pld_list_kva, 0, buf_pool_sz);
bfa_meminfo_dma_virt(mi) = dm_kva;
bfa_meminfo_dma_phys(mi) = dm_pa;
}
static void
claim_fcxps_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi)
{
u16 i;
struct bfa_fcxp_s *fcxp;
fcxp = (struct bfa_fcxp_s *) bfa_meminfo_kva(mi);
bfa_os_memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
INIT_LIST_HEAD(&mod->fcxp_free_q);
INIT_LIST_HEAD(&mod->fcxp_active_q);
mod->fcxp_list = fcxp;
for (i = 0; i < mod->num_fcxps; i++) {
fcxp->fcxp_mod = mod;
fcxp->fcxp_tag = i;
list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
fcxp->reqq_waiting = BFA_FALSE;
fcxp = fcxp + 1;
}
bfa_meminfo_kva(mi) = (void *)fcxp;
}
static void
bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
u32 *dm_len)
{
u16 num_fcxp_reqs = cfg->fwcfg.num_fcxp_reqs;
if (num_fcxp_reqs == 0)
return;
/*
* Account for req/rsp payload
*/
*dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs;
if (cfg->drvcfg.min_cfg)
*dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs;
else
*dm_len += BFA_FCXP_MAX_LBUF_SZ * num_fcxp_reqs;
/*
* Account for fcxp structs
*/
*ndm_len += sizeof(struct bfa_fcxp_s) * num_fcxp_reqs;
}
static void
bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
bfa_os_memset(mod, 0, sizeof(struct bfa_fcxp_mod_s));
mod->bfa = bfa;
mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs;
/**
* Initialize FCXP request and response payload sizes.
*/
mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ;
if (!cfg->drvcfg.min_cfg)
mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ;
INIT_LIST_HEAD(&mod->wait_q);
claim_fcxp_req_rsp_mem(mod, meminfo);
claim_fcxps_mem(mod, meminfo);
}
static void
bfa_fcxp_initdone(struct bfa_s *bfa)
{
}
static void
bfa_fcxp_detach(struct bfa_s *bfa)
{
}
static void
bfa_fcxp_start(struct bfa_s *bfa)
{
}
static void
bfa_fcxp_stop(struct bfa_s *bfa)
{
}
static void
bfa_fcxp_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
struct bfa_fcxp_s *fcxp;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &mod->fcxp_active_q) {
fcxp = (struct bfa_fcxp_s *) qe;
if (fcxp->caller == NULL) {
fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
BFA_STATUS_IOC_FAILURE, 0, 0, NULL);
bfa_fcxp_free(fcxp);
} else {
fcxp->rsp_status = BFA_STATUS_IOC_FAILURE;
bfa_cb_queue(bfa, &fcxp->hcb_qe,
__bfa_fcxp_send_cbfn, fcxp);
}
}
}
static struct bfa_fcxp_s *
bfa_fcxp_get(struct bfa_fcxp_mod_s *fm)
{
struct bfa_fcxp_s *fcxp;
bfa_q_deq(&fm->fcxp_free_q, &fcxp);
if (fcxp)
list_add_tail(&fcxp->qe, &fm->fcxp_active_q);
return (fcxp);
}
static void
bfa_fcxp_put(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
struct bfa_fcxp_wqe_s *wqe;
bfa_q_deq(&mod->wait_q, &wqe);
if (wqe) {
bfa_trc(mod->bfa, fcxp->fcxp_tag);
wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp);
return;
}
bfa_assert(bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
list_del(&fcxp->qe);
list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
}
static void
bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg,
bfa_status_t req_status, u32 rsp_len,
u32 resid_len, struct fchs_s *rsp_fchs)
{
/**discarded fcxp completion */
}
static void
__bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete)
{
struct bfa_fcxp_s *fcxp = cbarg;
if (complete) {
fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
fcxp->rsp_status, fcxp->rsp_len,
fcxp->residue_len, &fcxp->rsp_fchs);
} else {
bfa_fcxp_free(fcxp);
}
}
static void
hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
struct bfa_fcxp_s *fcxp;
u16 fcxp_tag = bfa_os_ntohs(fcxp_rsp->fcxp_tag);
bfa_trc(bfa, fcxp_tag);
fcxp_rsp->rsp_len = bfa_os_ntohl(fcxp_rsp->rsp_len);
/**
* @todo f/w should not set residue to non-0 when everything
* is received.
*/
if (fcxp_rsp->req_status == BFA_STATUS_OK)
fcxp_rsp->residue_len = 0;
else
fcxp_rsp->residue_len = bfa_os_ntohl(fcxp_rsp->residue_len);
fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag);
bfa_assert(fcxp->send_cbfn != NULL);
hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp);
if (fcxp->send_cbfn != NULL) {
if (fcxp->caller == NULL) {
bfa_trc(mod->bfa, fcxp->fcxp_tag);
fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
fcxp_rsp->req_status, fcxp_rsp->rsp_len,
fcxp_rsp->residue_len, &fcxp_rsp->fchs);
/*
* fcxp automatically freed on return from the callback
*/
bfa_fcxp_free(fcxp);
} else {
bfa_trc(mod->bfa, fcxp->fcxp_tag);
fcxp->rsp_status = fcxp_rsp->req_status;
fcxp->rsp_len = fcxp_rsp->rsp_len;
fcxp->residue_len = fcxp_rsp->residue_len;
fcxp->rsp_fchs = fcxp_rsp->fchs;
bfa_cb_queue(bfa, &fcxp->hcb_qe,
__bfa_fcxp_send_cbfn, fcxp);
}
} else {
bfa_trc(bfa, fcxp_tag);
}
}
static void
hal_fcxp_set_local_sges(struct bfi_sge_s *sge, u32 reqlen, u64 req_pa)
{
union bfi_addr_u sga_zero = { {0} };
sge->sg_len = reqlen;
sge->flags = BFI_SGE_DATA_LAST;
bfa_dma_addr_set(sge[0].sga, req_pa);
bfa_sge_to_be(sge);
sge++;
sge->sga = sga_zero;
sge->sg_len = reqlen;
sge->flags = BFI_SGE_PGDLEN;
bfa_sge_to_be(sge);
}
static void
hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp,
struct fchs_s *fchs)
{
/*
* TODO: TX ox_id
*/
if (reqlen > 0) {
if (fcxp->use_ireqbuf) {
u32 pld_w0 =
*((u32 *) BFA_FCXP_REQ_PLD(fcxp));
bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_TX,
reqlen + sizeof(struct fchs_s), fchs, pld_w0);
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_TX, reqlen + sizeof(struct fchs_s),
fchs);
}
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX,
reqlen + sizeof(struct fchs_s), fchs);
}
}
static void
hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
struct bfi_fcxp_send_rsp_s *fcxp_rsp)
{
if (fcxp_rsp->rsp_len > 0) {
if (fcxp->use_irspbuf) {
u32 pld_w0 =
*((u32 *) BFA_FCXP_RSP_PLD(fcxp));
bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_RX,
(u16) fcxp_rsp->rsp_len,
&fcxp_rsp->fchs, pld_w0);
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_RX,
(u16) fcxp_rsp->rsp_len,
&fcxp_rsp->fchs);
}
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX,
(u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs);
}
}
/**
* Handler to resume sending fcxp when space in available in cpe queue.
*/
static void
bfa_fcxp_qresume(void *cbarg)
{
struct bfa_fcxp_s *fcxp = cbarg;
struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
struct bfi_fcxp_send_req_s *send_req;
fcxp->reqq_waiting = BFA_FALSE;
send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
bfa_fcxp_queue(fcxp, send_req);
}
/**
* Queue fcxp send request to foimrware.
*/
static void
bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req)
{
struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
struct bfa_rport_s *rport = reqi->bfa_rport;
bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ,
bfa_lpuid(bfa));
send_req->fcxp_tag = bfa_os_htons(fcxp->fcxp_tag);
if (rport) {
send_req->rport_fw_hndl = rport->fw_handle;
send_req->max_frmsz = bfa_os_htons(rport->rport_info.max_frmsz);
if (send_req->max_frmsz == 0)
send_req->max_frmsz = bfa_os_htons(FC_MAX_PDUSZ);
} else {
send_req->rport_fw_hndl = 0;
send_req->max_frmsz = bfa_os_htons(FC_MAX_PDUSZ);
}
send_req->vf_id = bfa_os_htons(reqi->vf_id);
send_req->lp_tag = reqi->lp_tag;
send_req->class = reqi->class;
send_req->rsp_timeout = rspi->rsp_timeout;
send_req->cts = reqi->cts;
send_req->fchs = reqi->fchs;
send_req->req_len = bfa_os_htonl(reqi->req_tot_len);
send_req->rsp_maxlen = bfa_os_htonl(rspi->rsp_maxlen);
/*
* setup req sgles
*/
if (fcxp->use_ireqbuf == 1) {
hal_fcxp_set_local_sges(send_req->req_sge, reqi->req_tot_len,
BFA_FCXP_REQ_PLD_PA(fcxp));
} else {
if (fcxp->nreq_sgles > 0) {
bfa_assert(fcxp->nreq_sgles == 1);
hal_fcxp_set_local_sges(send_req->req_sge,
reqi->req_tot_len,
fcxp->req_sga_cbfn(fcxp->caller,
0));
} else {
bfa_assert(reqi->req_tot_len == 0);
hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0);
}
}
/*
* setup rsp sgles
*/
if (fcxp->use_irspbuf == 1) {
bfa_assert(rspi->rsp_maxlen <= BFA_FCXP_MAX_LBUF_SZ);
hal_fcxp_set_local_sges(send_req->rsp_sge, rspi->rsp_maxlen,
BFA_FCXP_RSP_PLD_PA(fcxp));
} else {
if (fcxp->nrsp_sgles > 0) {
bfa_assert(fcxp->nrsp_sgles == 1);
hal_fcxp_set_local_sges(send_req->rsp_sge,
rspi->rsp_maxlen,
fcxp->rsp_sga_cbfn(fcxp->caller,
0));
} else {
bfa_assert(rspi->rsp_maxlen == 0);
hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0);
}
}
hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
bfa_reqq_produce(bfa, BFA_REQQ_FCXP);
bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));
bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP));
}
/**
* hal_fcxp_api BFA FCXP API
*/
/**
* Allocate an FCXP instance to send a response or to send a request
* that has a response. Request/response buffers are allocated by caller.
*
* @param[in] bfa BFA bfa instance
* @param[in] nreq_sgles Number of SG elements required for request
* buffer. 0, if fcxp internal buffers are used.
* Use bfa_fcxp_get_reqbuf() to get the
* internal req buffer.
* @param[in] req_sgles SG elements describing request buffer. Will be
* copied in by BFA and hence can be freed on
* return from this function.
* @param[in] get_req_sga function ptr to be called to get a request SG
* Address (given the sge index).
* @param[in] get_req_sglen function ptr to be called to get a request SG
* len (given the sge index).
* @param[in] get_rsp_sga function ptr to be called to get a response SG
* Address (given the sge index).
* @param[in] get_rsp_sglen function ptr to be called to get a response SG
* len (given the sge index).
*
* @return FCXP instance. NULL on failure.
*/
struct bfa_fcxp_s *
bfa_fcxp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles,
int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
bfa_fcxp_get_sglen_t req_sglen_cbfn,
bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
{
struct bfa_fcxp_s *fcxp = NULL;
u32 nreq_sgpg, nrsp_sgpg;
bfa_assert(bfa != NULL);
fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa));
if (fcxp == NULL)
return (NULL);
bfa_trc(bfa, fcxp->fcxp_tag);
fcxp->caller = caller;
if (nreq_sgles == 0) {
fcxp->use_ireqbuf = 1;
} else {
bfa_assert(req_sga_cbfn != NULL);
bfa_assert(req_sglen_cbfn != NULL);
fcxp->use_ireqbuf = 0;
fcxp->req_sga_cbfn = req_sga_cbfn;
fcxp->req_sglen_cbfn = req_sglen_cbfn;
fcxp->nreq_sgles = nreq_sgles;
/*
* alloc required sgpgs
*/
if (nreq_sgles > BFI_SGE_INLINE) {
nreq_sgpg = BFA_SGPG_NPAGE(nreq_sgles);
if (bfa_sgpg_malloc
(bfa, &fcxp->req_sgpg_q, nreq_sgpg)
!= BFA_STATUS_OK) {
/* bfa_sgpg_wait(bfa, &fcxp->req_sgpg_wqe,
nreq_sgpg); */
/*
* TODO
*/
}
}
}
if (nrsp_sgles == 0) {
fcxp->use_irspbuf = 1;
} else {
bfa_assert(rsp_sga_cbfn != NULL);
bfa_assert(rsp_sglen_cbfn != NULL);
fcxp->use_irspbuf = 0;
fcxp->rsp_sga_cbfn = rsp_sga_cbfn;
fcxp->rsp_sglen_cbfn = rsp_sglen_cbfn;
fcxp->nrsp_sgles = nrsp_sgles;
/*
* alloc required sgpgs
*/
if (nrsp_sgles > BFI_SGE_INLINE) {
nrsp_sgpg = BFA_SGPG_NPAGE(nreq_sgles);
if (bfa_sgpg_malloc
(bfa, &fcxp->rsp_sgpg_q, nrsp_sgpg)
!= BFA_STATUS_OK) {
/* bfa_sgpg_wait(bfa, &fcxp->rsp_sgpg_wqe,
nrsp_sgpg); */
/*
* TODO
*/
}
}
}
return (fcxp);
}
/**
* Get the internal request buffer pointer
*
* @param[in] fcxp BFA fcxp pointer
*
* @return pointer to the internal request buffer
*/
void *
bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
void *reqbuf;
bfa_assert(fcxp->use_ireqbuf == 1);
reqbuf = ((u8 *)mod->req_pld_list_kva) +
fcxp->fcxp_tag * mod->req_pld_sz;
return reqbuf;
}
u32
bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
return mod->req_pld_sz;
}
/**
* Get the internal response buffer pointer
*
* @param[in] fcxp BFA fcxp pointer
*
* @return pointer to the internal request buffer
*/
void *
bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
void *rspbuf;
bfa_assert(fcxp->use_irspbuf == 1);
rspbuf = ((u8 *)mod->rsp_pld_list_kva) +
fcxp->fcxp_tag * mod->rsp_pld_sz;
return rspbuf;
}
/**
* Free the BFA FCXP
*
* @param[in] fcxp BFA fcxp pointer
*
* @return void
*/
void
bfa_fcxp_free(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
bfa_assert(fcxp != NULL);
bfa_trc(mod->bfa, fcxp->fcxp_tag);
bfa_fcxp_put(fcxp);
}
/**
* Send a FCXP request
*
* @param[in] fcxp BFA fcxp pointer
* @param[in] rport BFA rport pointer. Could be left NULL for WKA rports
* @param[in] vf_id virtual Fabric ID
* @param[in] lp_tag lport tag
* @param[in] cts use Continous sequence
* @param[in] cos fc Class of Service
* @param[in] reqlen request length, does not include FCHS length
* @param[in] fchs fc Header Pointer. The header content will be copied
* in by BFA.
*
* @param[in] cbfn call back function to be called on receiving
* the response
* @param[in] cbarg arg for cbfn
* @param[in] rsp_timeout
* response timeout
*
* @return bfa_status_t
*/
void
bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos,
u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn,
void *cbarg, u32 rsp_maxlen, u8 rsp_timeout)
{
struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
struct bfi_fcxp_send_req_s *send_req;
bfa_trc(bfa, fcxp->fcxp_tag);
/**
* setup request/response info
*/
reqi->bfa_rport = rport;
reqi->vf_id = vf_id;
reqi->lp_tag = lp_tag;
reqi->class = cos;
rspi->rsp_timeout = rsp_timeout;
reqi->cts = cts;
reqi->fchs = *fchs;
reqi->req_tot_len = reqlen;
rspi->rsp_maxlen = rsp_maxlen;
fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp;
fcxp->send_cbarg = cbarg;
/**
* If no room in CPE queue, wait for
*/
send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
if (!send_req) {
bfa_trc(bfa, fcxp->fcxp_tag);
fcxp->reqq_waiting = BFA_TRUE;
bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe);
return;
}
bfa_fcxp_queue(fcxp, send_req);
}
/**
* Abort a BFA FCXP
*
* @param[in] fcxp BFA fcxp pointer
*
* @return void
*/
bfa_status_t
bfa_fcxp_abort(struct bfa_fcxp_s *fcxp)
{
bfa_assert(0);
return (BFA_STATUS_OK);
}
void
bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
bfa_assert(list_empty(&mod->fcxp_free_q));
wqe->alloc_cbfn = alloc_cbfn;
wqe->alloc_cbarg = alloc_cbarg;
list_add_tail(&wqe->qe, &mod->wait_q);
}
void
bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
bfa_assert(bfa_q_is_on_q(&mod->wait_q, wqe));
list_del(&wqe->qe);
}
void
bfa_fcxp_discard(struct bfa_fcxp_s *fcxp)
{
/**
* If waiting for room in request queue, cancel reqq wait
* and free fcxp.
*/
if (fcxp->reqq_waiting) {
fcxp->reqq_waiting = BFA_FALSE;
bfa_reqq_wcancel(&fcxp->reqq_wqe);
bfa_fcxp_free(fcxp);
return;
}
fcxp->send_cbfn = bfa_fcxp_null_comp;
}
/**
* hal_fcxp_public BFA FCXP public functions
*/
void
bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
{
switch (msg->mhdr.msg_id) {
case BFI_FCXP_I2H_SEND_RSP:
hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg);
break;
default:
bfa_trc(bfa, msg->mhdr.msg_id);
bfa_assert(0);
}
}
u32
bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
return mod->rsp_pld_sz;
}

138
drivers/scsi/bfa/bfa_fcxp_priv.h Normal file
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@ -0,0 +1,138 @@
/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_FCXP_PRIV_H__
#define __BFA_FCXP_PRIV_H__
#include <cs/bfa_sm.h>
#include <protocol/fc.h>
#include <bfa_svc.h>
#include <bfi/bfi_fcxp.h>
#define BFA_FCXP_MIN (1)
#define BFA_FCXP_MAX_IBUF_SZ (2 * 1024 + 256)
#define BFA_FCXP_MAX_LBUF_SZ (4 * 1024 + 256)
struct bfa_fcxp_mod_s {
struct bfa_s *bfa; /* backpointer to BFA */
struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */
u16 num_fcxps; /* max num FCXP requests */
struct list_head fcxp_free_q; /* free FCXPs */
struct list_head fcxp_active_q; /* active FCXPs */
void *req_pld_list_kva; /* list of FCXP req pld */
u64 req_pld_list_pa; /* list of FCXP req pld */
void *rsp_pld_list_kva; /* list of FCXP resp pld */
u64 rsp_pld_list_pa; /* list of FCXP resp pld */
struct list_head wait_q; /* wait queue for free fcxp */
u32 req_pld_sz;
u32 rsp_pld_sz;
};
#define BFA_FCXP_MOD(__bfa) (&(__bfa)->modules.fcxp_mod)
#define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag])
typedef void (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,
void *cb_arg, bfa_status_t req_status,
u32 rsp_len, u32 resid_len,
struct fchs_s *rsp_fchs);
/**
* Information needed for a FCXP request
*/
struct bfa_fcxp_req_info_s {
struct bfa_rport_s *bfa_rport; /* Pointer to the bfa rport that was
*returned from bfa_rport_create().
*This could be left NULL for WKA or for
*FCXP interactions before the rport
*nexus is established
*/
struct fchs_s fchs; /* request FC header structure */
u8 cts; /* continous sequence */
u8 class; /* FC class for the request/response */
u16 max_frmsz; /* max send frame size */
u16 vf_id; /* vsan tag if applicable */
u8 lp_tag; /* lport tag */
u32 req_tot_len; /* request payload total length */
};
struct bfa_fcxp_rsp_info_s {
struct fchs_s rsp_fchs; /* Response frame's FC header will
* be *sent back in this field */
u8 rsp_timeout; /* timeout in seconds, 0-no response
*/
u8 rsvd2[3];
u32 rsp_maxlen; /* max response length expected */
};
struct bfa_fcxp_s {
struct list_head qe; /* fcxp queue element */
bfa_sm_t sm; /* state machine */
void *caller; /* driver or fcs */
struct bfa_fcxp_mod_s *fcxp_mod;
/* back pointer to fcxp mod */
u16 fcxp_tag; /* internal tag */
struct bfa_fcxp_req_info_s req_info;
/* request info */
struct bfa_fcxp_rsp_info_s rsp_info;
/* response info */
u8 use_ireqbuf; /* use internal req buf */
u8 use_irspbuf; /* use internal rsp buf */
u32 nreq_sgles; /* num request SGLEs */
u32 nrsp_sgles; /* num response SGLEs */
struct list_head req_sgpg_q; /* SG pages for request buf */
struct list_head req_sgpg_wqe; /* wait queue for req SG page */
struct list_head rsp_sgpg_q; /* SG pages for response buf */
struct list_head rsp_sgpg_wqe; /* wait queue for rsp SG page */
bfa_fcxp_get_sgaddr_t req_sga_cbfn;
/* SG elem addr user function */
bfa_fcxp_get_sglen_t req_sglen_cbfn;
/* SG elem len user function */
bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
/* SG elem addr user function */
bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
/* SG elem len user function */
bfa_cb_fcxp_send_t send_cbfn; /* send completion callback */
void *send_cbarg; /* callback arg */
struct bfa_sge_s req_sge[BFA_FCXP_MAX_SGES];
/* req SG elems */
struct bfa_sge_s rsp_sge[BFA_FCXP_MAX_SGES];
/* rsp SG elems */
u8 rsp_status; /* comp: rsp status */
u32 rsp_len; /* comp: actual response len */
u32 residue_len; /* comp: residual rsp length */
struct fchs_s rsp_fchs; /* comp: response fchs */
struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
struct bfa_reqq_wait_s reqq_wqe;
bfa_boolean_t reqq_waiting;
};
#define BFA_FCXP_REQ_PLD(_fcxp) (bfa_fcxp_get_reqbuf(_fcxp))
#define BFA_FCXP_RSP_FCHS(_fcxp) (&((_fcxp)->rsp_info.fchs))
#define BFA_FCXP_RSP_PLD(_fcxp) (bfa_fcxp_get_rspbuf(_fcxp))
#define BFA_FCXP_REQ_PLD_PA(_fcxp) \
((_fcxp)->fcxp_mod->req_pld_list_pa + \
((_fcxp)->fcxp_mod->req_pld_sz * (_fcxp)->fcxp_tag))
#define BFA_FCXP_RSP_PLD_PA(_fcxp) \
((_fcxp)->fcxp_mod->rsp_pld_list_pa + \
((_fcxp)->fcxp_mod->rsp_pld_sz * (_fcxp)->fcxp_tag))
void bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
#endif /* __BFA_FCXP_PRIV_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_FWIMG_PRIV_H__
#define __BFA_FWIMG_PRIV_H__
#define BFI_FLASH_CHUNK_SZ 256 /* Flash chunk size */
#define BFI_FLASH_CHUNK_SZ_WORDS (BFI_FLASH_CHUNK_SZ/sizeof(u32))
extern u32 *bfi_image_ct_get_chunk(u32 off);
extern u32 bfi_image_ct_size;
extern u32 *bfi_image_cb_get_chunk(u32 off);
extern u32 bfi_image_cb_size;
extern u32 *bfi_image_cb;
extern u32 *bfi_image_ct;
#endif /* __BFA_FWIMG_PRIV_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa_priv.h>
#include <bfi/bfi_cbreg.h>
void
bfa_hwcb_reginit(struct bfa_s *bfa)
{
struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs;
bfa_os_addr_t kva = bfa_ioc_bar0(&bfa->ioc);
int i, q, fn = bfa_ioc_pcifn(&bfa->ioc);
if (fn == 0) {
bfa_regs->intr_status = (kva + HOSTFN0_INT_STATUS);
bfa_regs->intr_mask = (kva + HOSTFN0_INT_MSK);
} else {
bfa_regs->intr_status = (kva + HOSTFN1_INT_STATUS);
bfa_regs->intr_mask = (kva + HOSTFN1_INT_MSK);
}
for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
/*
* CPE registers
*/
q = CPE_Q_NUM(fn, i);
bfa_regs->cpe_q_pi[i] = (kva + CPE_Q_PI(q));
bfa_regs->cpe_q_ci[i] = (kva + CPE_Q_CI(q));
bfa_regs->cpe_q_depth[i] = (kva + CPE_Q_DEPTH(q));
/*
* RME registers
*/
q = CPE_Q_NUM(fn, i);
bfa_regs->rme_q_pi[i] = (kva + RME_Q_PI(q));
bfa_regs->rme_q_ci[i] = (kva + RME_Q_CI(q));
bfa_regs->rme_q_depth[i] = (kva + RME_Q_DEPTH(q));
}
}
void
bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq)
{
}
static void
bfa_hwcb_rspq_ack_msix(struct bfa_s *bfa, int rspq)
{
bfa_reg_write(bfa->iocfc.bfa_regs.intr_status,
__HFN_INT_RME_Q0 << RME_Q_NUM(bfa_ioc_pcifn(&bfa->ioc), rspq));
}
void
bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap,
u32 *num_vecs, u32 *max_vec_bit)
{
#define __HFN_NUMINTS 13
if (bfa_ioc_pcifn(&bfa->ioc) == 0) {
*msix_vecs_bmap = (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 |
__HFN_INT_CPE_Q2 | __HFN_INT_CPE_Q3 |
__HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 |
__HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 |
__HFN_INT_MBOX_LPU0);
*max_vec_bit = __HFN_INT_MBOX_LPU0;
} else {
*msix_vecs_bmap = (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 |
__HFN_INT_CPE_Q6 | __HFN_INT_CPE_Q7 |
__HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 |
__HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 |
__HFN_INT_MBOX_LPU1);
*max_vec_bit = __HFN_INT_MBOX_LPU1;
}
*msix_vecs_bmap |= (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 |
__HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS);
*num_vecs = __HFN_NUMINTS;
}
/**
* No special setup required for crossbow -- vector assignments are implicit.
*/
void
bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs)
{
int i;
bfa_assert((nvecs == 1) || (nvecs == __HFN_NUMINTS));
bfa->msix.nvecs = nvecs;
if (nvecs == 1) {
for (i = 0; i < BFA_MSIX_CB_MAX; i++)
bfa->msix.handler[i] = bfa_msix_all;
return;
}
for (i = BFA_MSIX_CPE_Q0; i <= BFA_MSIX_CPE_Q7; i++)
bfa->msix.handler[i] = bfa_msix_reqq;
for (i = BFA_MSIX_RME_Q0; i <= BFA_MSIX_RME_Q7; i++)
bfa->msix.handler[i] = bfa_msix_rspq;
for (; i < BFA_MSIX_CB_MAX; i++)
bfa->msix.handler[i] = bfa_msix_lpu_err;
}
/**
* Crossbow -- dummy, interrupts are masked
*/
void
bfa_hwcb_msix_install(struct bfa_s *bfa)
{
}
void
bfa_hwcb_msix_uninstall(struct bfa_s *bfa)
{
}
/**
* No special enable/disable -- vector assignments are implicit.
*/
void
bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix)
{
bfa->iocfc.hwif.hw_rspq_ack = bfa_hwcb_rspq_ack_msix;
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa_priv.h>
#include <bfi/bfi_ctreg.h>
#include <bfa_ioc.h>
BFA_TRC_FILE(HAL, IOCFC_CT);
static u32 __ct_msix_err_vec_reg[] = {
HOST_MSIX_ERR_INDEX_FN0,
HOST_MSIX_ERR_INDEX_FN1,
HOST_MSIX_ERR_INDEX_FN2,
HOST_MSIX_ERR_INDEX_FN3,
};
static void
bfa_hwct_msix_lpu_err_set(struct bfa_s *bfa, bfa_boolean_t msix, int vec)
{
int fn = bfa_ioc_pcifn(&bfa->ioc);
bfa_os_addr_t kva = bfa_ioc_bar0(&bfa->ioc);
if (msix)
bfa_reg_write(kva + __ct_msix_err_vec_reg[fn], vec);
else
bfa_reg_write(kva + __ct_msix_err_vec_reg[fn], 0);
}
/**
* Dummy interrupt handler for handling spurious interrupt during chip-reinit.
*/
static void
bfa_hwct_msix_dummy(struct bfa_s *bfa, int vec)
{
}
void
bfa_hwct_reginit(struct bfa_s *bfa)
{
struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs;
bfa_os_addr_t kva = bfa_ioc_bar0(&bfa->ioc);
int i, q, fn = bfa_ioc_pcifn(&bfa->ioc);
if (fn == 0) {
bfa_regs->intr_status = (kva + HOSTFN0_INT_STATUS);
bfa_regs->intr_mask = (kva + HOSTFN0_INT_MSK);
} else {
bfa_regs->intr_status = (kva + HOSTFN1_INT_STATUS);
bfa_regs->intr_mask = (kva + HOSTFN1_INT_MSK);
}
for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
/*
* CPE registers
*/
q = CPE_Q_NUM(fn, i);
bfa_regs->cpe_q_pi[i] = (kva + CPE_PI_PTR_Q(q << 5));
bfa_regs->cpe_q_ci[i] = (kva + CPE_CI_PTR_Q(q << 5));
bfa_regs->cpe_q_depth[i] = (kva + CPE_DEPTH_Q(q << 5));
bfa_regs->cpe_q_ctrl[i] = (kva + CPE_QCTRL_Q(q << 5));
/*
* RME registers
*/
q = CPE_Q_NUM(fn, i);
bfa_regs->rme_q_pi[i] = (kva + RME_PI_PTR_Q(q << 5));
bfa_regs->rme_q_ci[i] = (kva + RME_CI_PTR_Q(q << 5));
bfa_regs->rme_q_depth[i] = (kva + RME_DEPTH_Q(q << 5));
bfa_regs->rme_q_ctrl[i] = (kva + RME_QCTRL_Q(q << 5));
}
}
void
bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq)
{
u32 r32;
r32 = bfa_reg_read(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq]);
bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq], r32);
}
void
bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap,
u32 *num_vecs, u32 *max_vec_bit)
{
*msix_vecs_bmap = (1 << BFA_MSIX_CT_MAX) - 1;
*max_vec_bit = (1 << (BFA_MSIX_CT_MAX - 1));
*num_vecs = BFA_MSIX_CT_MAX;
}
/**
* Setup MSI-X vector for catapult
*/
void
bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs)
{
bfa_assert((nvecs == 1) || (nvecs == BFA_MSIX_CT_MAX));
bfa_trc(bfa, nvecs);
bfa->msix.nvecs = nvecs;
bfa_hwct_msix_uninstall(bfa);
}
void
bfa_hwct_msix_install(struct bfa_s *bfa)
{
int i;
if (bfa->msix.nvecs == 0)
return;
if (bfa->msix.nvecs == 1) {
for (i = 0; i < BFA_MSIX_CT_MAX; i++)
bfa->msix.handler[i] = bfa_msix_all;
return;
}
for (i = BFA_MSIX_CPE_Q0; i <= BFA_MSIX_CPE_Q3; i++)
bfa->msix.handler[i] = bfa_msix_reqq;
for (; i <= BFA_MSIX_RME_Q3; i++)
bfa->msix.handler[i] = bfa_msix_rspq;
bfa_assert(i == BFA_MSIX_LPU_ERR);
bfa->msix.handler[BFA_MSIX_LPU_ERR] = bfa_msix_lpu_err;
}
void
bfa_hwct_msix_uninstall(struct bfa_s *bfa)
{
int i;
for (i = 0; i < BFA_MSIX_CT_MAX; i++)
bfa->msix.handler[i] = bfa_hwct_msix_dummy;
}
/**
* Enable MSI-X vectors
*/
void
bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix)
{
bfa_trc(bfa, 0);
bfa_hwct_msix_lpu_err_set(bfa, msix, BFA_MSIX_LPU_ERR);
bfa_ioc_isr_mode_set(&bfa->ioc, msix);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfi/bfi_cbreg.h>
#include <bfa_port_priv.h>
#include <bfa_intr_priv.h>
#include <cs/bfa_debug.h>
BFA_TRC_FILE(HAL, INTR);
static void
bfa_msix_errint(struct bfa_s *bfa, u32 intr)
{
bfa_ioc_error_isr(&bfa->ioc);
}
static void
bfa_msix_lpu(struct bfa_s *bfa)
{
bfa_ioc_mbox_isr(&bfa->ioc);
}
void
bfa_msix_all(struct bfa_s *bfa, int vec)
{
bfa_intx(bfa);
}
/**
* hal_intr_api
*/
bfa_boolean_t
bfa_intx(struct bfa_s *bfa)
{
u32 intr, qintr;
int queue;
intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status);
if (!intr)
return BFA_FALSE;
/**
* RME completion queue interrupt
*/
qintr = intr & __HFN_INT_RME_MASK;
bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr);
for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue ++) {
if (intr & (__HFN_INT_RME_Q0 << queue))
bfa_msix_rspq(bfa, queue & (BFI_IOC_MAX_CQS - 1));
}
intr &= ~qintr;
if (!intr)
return BFA_TRUE;
/**
* CPE completion queue interrupt
*/
qintr = intr & __HFN_INT_CPE_MASK;
bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr);
for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) {
if (intr & (__HFN_INT_CPE_Q0 << queue))
bfa_msix_reqq(bfa, queue & (BFI_IOC_MAX_CQS - 1));
}
intr &= ~qintr;
if (!intr)
return BFA_TRUE;
bfa_msix_lpu_err(bfa, intr);
return BFA_TRUE;
}
void
bfa_isr_enable(struct bfa_s *bfa)
{
u32 intr_unmask;
int pci_func = bfa_ioc_pcifn(&bfa->ioc);
bfa_trc(bfa, pci_func);
bfa_msix_install(bfa);
intr_unmask = (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 |
__HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS);
if (pci_func == 0)
intr_unmask |= (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 |
__HFN_INT_CPE_Q2 | __HFN_INT_CPE_Q3 |
__HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 |
__HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 |
__HFN_INT_MBOX_LPU0);
else
intr_unmask |= (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 |
__HFN_INT_CPE_Q6 | __HFN_INT_CPE_Q7 |
__HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 |
__HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 |
__HFN_INT_MBOX_LPU1);
bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr_unmask);
bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, ~intr_unmask);
bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0);
}
void
bfa_isr_disable(struct bfa_s *bfa)
{
bfa_isr_mode_set(bfa, BFA_FALSE);
bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, -1L);
bfa_msix_uninstall(bfa);
}
void
bfa_msix_reqq(struct bfa_s *bfa, int qid)
{
struct list_head *waitq, *qe, *qen;
struct bfa_reqq_wait_s *wqe;
qid &= (BFI_IOC_MAX_CQS - 1);
waitq = bfa_reqq(bfa, qid);
list_for_each_safe(qe, qen, waitq) {
/**
* Callback only as long as there is room in request queue
*/
if (bfa_reqq_full(bfa, qid))
break;
list_del(qe);
wqe = (struct bfa_reqq_wait_s *) qe;
wqe->qresume(wqe->cbarg);
}
}
void
bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m)
{
bfa_trc(bfa, m->mhdr.msg_class);
bfa_trc(bfa, m->mhdr.msg_id);
bfa_trc(bfa, m->mhdr.mtag.i2htok);
bfa_assert(0);
bfa_trc_stop(bfa->trcmod);
}
void
bfa_msix_rspq(struct bfa_s *bfa, int rsp_qid)
{
struct bfi_msg_s *m;
u32 pi, ci;
bfa_trc_fp(bfa, rsp_qid);
rsp_qid &= (BFI_IOC_MAX_CQS - 1);
bfa->iocfc.hwif.hw_rspq_ack(bfa, rsp_qid);
ci = bfa_rspq_ci(bfa, rsp_qid);
pi = bfa_rspq_pi(bfa, rsp_qid);
bfa_trc_fp(bfa, ci);
bfa_trc_fp(bfa, pi);
if (bfa->rme_process) {
while (ci != pi) {
m = bfa_rspq_elem(bfa, rsp_qid, ci);
bfa_assert_fp(m->mhdr.msg_class < BFI_MC_MAX);
bfa_isrs[m->mhdr.msg_class] (bfa, m);
CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems);
}
}
/**
* update CI
*/
bfa_rspq_ci(bfa, rsp_qid) = pi;
bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ci[rsp_qid], pi);
bfa_os_mmiowb();
}
void
bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
{
u32 intr;
intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status);
if (intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1))
bfa_msix_lpu(bfa);
if (intr & (__HFN_INT_ERR_EMC |
__HFN_INT_ERR_LPU0 | __HFN_INT_ERR_LPU1 |
__HFN_INT_ERR_PSS))
bfa_msix_errint(bfa, intr);
}
void
bfa_isr_bind(enum bfi_mclass mc, bfa_isr_func_t isr_func)
{
bfa_isrs[mc] = isr_func;
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_INTR_PRIV_H__
#define __BFA_INTR_PRIV_H__
/**
* Message handler
*/
typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m);
void bfa_isr_bind(enum bfi_mclass mc, bfa_isr_func_t isr_func);
#define bfa_reqq_pi(__bfa, __reqq) (__bfa)->iocfc.req_cq_pi[__reqq]
#define bfa_reqq_ci(__bfa, __reqq) \
*(u32 *)((__bfa)->iocfc.req_cq_shadow_ci[__reqq].kva)
#define bfa_reqq_full(__bfa, __reqq) \
(((bfa_reqq_pi(__bfa, __reqq) + 1) & \
((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1)) == \
bfa_reqq_ci(__bfa, __reqq))
#define bfa_reqq_next(__bfa, __reqq) \
(bfa_reqq_full(__bfa, __reqq) ? NULL : \
((void *)((struct bfi_msg_s *)((__bfa)->iocfc.req_cq_ba[__reqq].kva) \
+ bfa_reqq_pi((__bfa), (__reqq)))))
#define bfa_reqq_produce(__bfa, __reqq) do { \
(__bfa)->iocfc.req_cq_pi[__reqq]++; \
(__bfa)->iocfc.req_cq_pi[__reqq] &= \
((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1); \
bfa_reg_write((__bfa)->iocfc.bfa_regs.cpe_q_pi[__reqq], \
(__bfa)->iocfc.req_cq_pi[__reqq]); \
bfa_os_mmiowb(); \
} while (0)
#define bfa_rspq_pi(__bfa, __rspq) \
*(u32 *)((__bfa)->iocfc.rsp_cq_shadow_pi[__rspq].kva)
#define bfa_rspq_ci(__bfa, __rspq) (__bfa)->iocfc.rsp_cq_ci[__rspq]
#define bfa_rspq_elem(__bfa, __rspq, __ci) \
&((struct bfi_msg_s *)((__bfa)->iocfc.rsp_cq_ba[__rspq].kva))[__ci]
#define CQ_INCR(__index, __size) \
(__index)++; (__index) &= ((__size) - 1)
/**
* Queue element to wait for room in request queue. FIFO order is
* maintained when fullfilling requests.
*/
struct bfa_reqq_wait_s {
struct list_head qe;
void (*qresume) (void *cbarg);
void *cbarg;
};
/**
* Circular queue usage assignments
*/
enum {
BFA_REQQ_IOC = 0, /* all low-priority IOC msgs */
BFA_REQQ_FCXP = 0, /* all FCXP messages */
BFA_REQQ_LPS = 0, /* all lport service msgs */
BFA_REQQ_PORT = 0, /* all port messages */
BFA_REQQ_FLASH = 0, /* for flash module */
BFA_REQQ_DIAG = 0, /* for diag module */
BFA_REQQ_RPORT = 0, /* all port messages */
BFA_REQQ_SBOOT = 0, /* all san boot messages */
BFA_REQQ_QOS_LO = 1, /* all low priority IO */
BFA_REQQ_QOS_MD = 2, /* all medium priority IO */
BFA_REQQ_QOS_HI = 3, /* all high priority IO */
};
static inline void
bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg),
void *cbarg)
{
wqe->qresume = qresume;
wqe->cbarg = cbarg;
}
#define bfa_reqq(__bfa, __reqq) &(__bfa)->reqq_waitq[__reqq]
/**
* static inline void
* bfa_reqq_wait(struct bfa_s *bfa, int reqq, struct bfa_reqq_wait_s *wqe)
*/
#define bfa_reqq_wait(__bfa, __reqq, __wqe) do { \
\
struct list_head *waitq = bfa_reqq(__bfa, __reqq); \
\
bfa_assert(((__reqq) < BFI_IOC_MAX_CQS)); \
bfa_assert((__wqe)->qresume && (__wqe)->cbarg); \
\
list_add_tail(&(__wqe)->qe, waitq); \
} while (0)
#define bfa_reqq_wcancel(__wqe) list_del(&(__wqe)->qe)
#endif /* __BFA_INTR_PRIV_H__ */

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drivers/scsi/bfa/bfa_ioc.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_IOC_H__
#define __BFA_IOC_H__
#include <cs/bfa_sm.h>
#include <bfi/bfi.h>
#include <bfi/bfi_ioc.h>
#include <bfi/bfi_boot.h>
#include <bfa_timer.h>
/**
* PCI device information required by IOC
*/
struct bfa_pcidev_s {
int pci_slot;
u8 pci_func;
u16 device_id;
bfa_os_addr_t pci_bar_kva;
};
/**
* Structure used to remember the DMA-able memory block's KVA and Physical
* Address
*/
struct bfa_dma_s {
void *kva; /*! Kernel virtual address */
u64 pa; /*! Physical address */
};
#define BFA_DMA_ALIGN_SZ 256
#define BFA_ROUNDUP(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1))
#define bfa_dma_addr_set(dma_addr, pa) \
__bfa_dma_addr_set(&dma_addr, (u64)pa)
static inline void
__bfa_dma_addr_set(union bfi_addr_u *dma_addr, u64 pa)
{
dma_addr->a32.addr_lo = (u32) pa;
dma_addr->a32.addr_hi = (u32) (bfa_os_u32(pa));
}
#define bfa_dma_be_addr_set(dma_addr, pa) \
__bfa_dma_be_addr_set(&dma_addr, (u64)pa)
static inline void
__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
{
dma_addr->a32.addr_lo = (u32) bfa_os_htonl(pa);
dma_addr->a32.addr_hi = (u32) bfa_os_htonl(bfa_os_u32(pa));
}
struct bfa_ioc_regs_s {
bfa_os_addr_t hfn_mbox_cmd;
bfa_os_addr_t hfn_mbox;
bfa_os_addr_t lpu_mbox_cmd;
bfa_os_addr_t lpu_mbox;
bfa_os_addr_t pss_ctl_reg;
bfa_os_addr_t app_pll_fast_ctl_reg;
bfa_os_addr_t app_pll_slow_ctl_reg;
bfa_os_addr_t ioc_sem_reg;
bfa_os_addr_t ioc_usage_sem_reg;
bfa_os_addr_t ioc_usage_reg;
bfa_os_addr_t host_page_num_fn;
bfa_os_addr_t heartbeat;
bfa_os_addr_t ioc_fwstate;
bfa_os_addr_t ll_halt;
bfa_os_addr_t shirq_isr_next;
bfa_os_addr_t shirq_msk_next;
bfa_os_addr_t smem_page_start;
u32 smem_pg0;
};
#define bfa_reg_read(_raddr) bfa_os_reg_read(_raddr)
#define bfa_reg_write(_raddr, _val) bfa_os_reg_write(_raddr, _val)
#define bfa_mem_read(_raddr, _off) bfa_os_mem_read(_raddr, _off)
#define bfa_mem_write(_raddr, _off, _val) \
bfa_os_mem_write(_raddr, _off, _val)
/**
* IOC Mailbox structures
*/
struct bfa_mbox_cmd_s {
struct list_head qe;
u32 msg[BFI_IOC_MSGSZ];
};
/**
* IOC mailbox module
*/
typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg_s *m);
struct bfa_ioc_mbox_mod_s {
struct list_head cmd_q; /* pending mbox queue */
int nmclass; /* number of handlers */
struct {
bfa_ioc_mbox_mcfunc_t cbfn; /* message handlers */
void *cbarg;
} mbhdlr[BFI_MC_MAX];
};
/**
* IOC callback function interfaces
*/
typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
struct bfa_ioc_cbfn_s {
bfa_ioc_enable_cbfn_t enable_cbfn;
bfa_ioc_disable_cbfn_t disable_cbfn;
bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
bfa_ioc_reset_cbfn_t reset_cbfn;
};
/**
* Heartbeat failure notification queue element.
*/
struct bfa_ioc_hbfail_notify_s {
struct list_head qe;
bfa_ioc_hbfail_cbfn_t cbfn;
void *cbarg;
};
/**
* Initialize a heartbeat failure notification structure
*/
#define bfa_ioc_hbfail_init(__notify, __cbfn, __cbarg) do { \
(__notify)->cbfn = (__cbfn); \
(__notify)->cbarg = (__cbarg); \
} while (0)
struct bfa_ioc_s {
bfa_fsm_t fsm;
struct bfa_s *bfa;
struct bfa_pcidev_s pcidev;
struct bfa_timer_mod_s *timer_mod;
struct bfa_timer_s ioc_timer;
struct bfa_timer_s sem_timer;
u32 hb_count;
u32 hb_fail;
u32 retry_count;
struct list_head hb_notify_q;
void *dbg_fwsave;
int dbg_fwsave_len;
bfa_boolean_t dbg_fwsave_once;
enum bfi_mclass ioc_mc;
struct bfa_ioc_regs_s ioc_regs;
struct bfa_trc_mod_s *trcmod;
struct bfa_aen_s *aen;
struct bfa_log_mod_s *logm;
struct bfa_ioc_drv_stats_s stats;
bfa_boolean_t auto_recover;
bfa_boolean_t fcmode;
bfa_boolean_t ctdev;
bfa_boolean_t cna;
bfa_boolean_t pllinit;
u8 port_id;
struct bfa_dma_s attr_dma;
struct bfi_ioc_attr_s *attr;
struct bfa_ioc_cbfn_s *cbfn;
struct bfa_ioc_mbox_mod_s mbox_mod;
};
#define bfa_ioc_pcifn(__ioc) (__ioc)->pcidev.pci_func
#define bfa_ioc_devid(__ioc) (__ioc)->pcidev.device_id
#define bfa_ioc_bar0(__ioc) (__ioc)->pcidev.pci_bar_kva
#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
#define bfa_ioc_fetch_stats(__ioc, __stats) \
((__stats)->drv_stats) = (__ioc)->stats
#define bfa_ioc_clr_stats(__ioc) \
bfa_os_memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
#define bfa_ioc_maxfrsize(__ioc) (__ioc)->attr->maxfrsize
#define bfa_ioc_rx_bbcredit(__ioc) (__ioc)->attr->rx_bbcredit
#define bfa_ioc_speed_sup(__ioc) \
BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
/**
* IOC mailbox interface
*/
void bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd);
void bfa_ioc_mbox_register(struct bfa_ioc_s *ioc,
bfa_ioc_mbox_mcfunc_t *mcfuncs);
void bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc);
void bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len);
void bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg);
void bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc,
bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
/**
* IOC interfaces
*/
void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa,
struct bfa_ioc_cbfn_s *cbfn, struct bfa_timer_mod_s *timer_mod,
struct bfa_trc_mod_s *trcmod,
struct bfa_aen_s *aen, struct bfa_log_mod_s *logm);
void bfa_ioc_detach(struct bfa_ioc_s *ioc);
void bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev,
enum bfi_mclass mc);
u32 bfa_ioc_meminfo(void);
void bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa);
void bfa_ioc_enable(struct bfa_ioc_s *ioc);
void bfa_ioc_disable(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_intx_claim(struct bfa_ioc_s *ioc);
void bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param);
void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *msg);
void bfa_ioc_error_isr(struct bfa_ioc_s *ioc);
void bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t intx);
bfa_status_t bfa_ioc_pll_init(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc);
void bfa_ioc_cfg_complete(struct bfa_ioc_s *ioc);
void bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr);
void bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
struct bfa_adapter_attr_s *ad_attr);
int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover);
void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave);
bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata,
int *trclen);
bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata,
int *trclen);
u32 bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr);
u32 bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr);
void bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc);
void bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc,
struct bfa_ioc_hbfail_notify_s *notify);
/*
* bfa mfg wwn API functions
*/
wwn_t bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc);
wwn_t bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc);
wwn_t bfa_ioc_get_wwn_naa5(struct bfa_ioc_s *ioc, u16 inst);
mac_t bfa_ioc_get_mac(struct bfa_ioc_s *ioc);
u64 bfa_ioc_get_adid(struct bfa_ioc_s *ioc);
#endif /* __BFA_IOC_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <cs/bfa_debug.h>
#include <bfa_priv.h>
#include <log/bfa_log_hal.h>
#include <bfi/bfi_boot.h>
#include <bfi/bfi_cbreg.h>
#include <aen/bfa_aen_ioc.h>
#include <defs/bfa_defs_iocfc.h>
#include <defs/bfa_defs_pci.h>
#include "bfa_callback_priv.h"
#include "bfad_drv.h"
BFA_TRC_FILE(HAL, IOCFC);
/**
* IOC local definitions
*/
#define BFA_IOCFC_TOV 5000 /* msecs */
enum {
BFA_IOCFC_ACT_NONE = 0,
BFA_IOCFC_ACT_INIT = 1,
BFA_IOCFC_ACT_STOP = 2,
BFA_IOCFC_ACT_DISABLE = 3,
};
/*
* forward declarations
*/
static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status);
static void bfa_iocfc_disable_cbfn(void *bfa_arg);
static void bfa_iocfc_hbfail_cbfn(void *bfa_arg);
static void bfa_iocfc_reset_cbfn(void *bfa_arg);
static void bfa_iocfc_stats_clear(void *bfa_arg);
static void bfa_iocfc_stats_swap(struct bfa_fw_stats_s *d,
struct bfa_fw_stats_s *s);
static void bfa_iocfc_stats_clr_cb(void *bfa_arg, bfa_boolean_t complete);
static void bfa_iocfc_stats_clr_timeout(void *bfa_arg);
static void bfa_iocfc_stats_cb(void *bfa_arg, bfa_boolean_t complete);
static void bfa_iocfc_stats_timeout(void *bfa_arg);
static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn;
/**
* bfa_ioc_pvt BFA IOC private functions
*/
static void
bfa_iocfc_cqs_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len)
{
int i, per_reqq_sz, per_rspq_sz;
per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
BFA_DMA_ALIGN_SZ);
per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
BFA_DMA_ALIGN_SZ);
/*
* Calculate CQ size
*/
for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
*dm_len = *dm_len + per_reqq_sz;
*dm_len = *dm_len + per_rspq_sz;
}
/*
* Calculate Shadow CI/PI size
*/
for (i = 0; i < cfg->fwcfg.num_cqs; i++)
*dm_len += (2 * BFA_CACHELINE_SZ);
}
static void
bfa_iocfc_fw_cfg_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len)
{
*dm_len +=
BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
*dm_len +=
BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
BFA_CACHELINE_SZ);
*dm_len += BFA_ROUNDUP(sizeof(struct bfa_fw_stats_s), BFA_CACHELINE_SZ);
}
/**
* Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ
*/
static void
bfa_iocfc_send_cfg(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_cfg_req_s cfg_req;
struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg;
int i;
bfa_assert(cfg->fwcfg.num_cqs <= BFI_IOC_MAX_CQS);
bfa_trc(bfa, cfg->fwcfg.num_cqs);
iocfc->cfgdone = BFA_FALSE;
bfa_iocfc_reset_queues(bfa);
/**
* initialize IOC configuration info
*/
cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
cfg_info->num_cqs = cfg->fwcfg.num_cqs;
bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
bfa_dma_be_addr_set(cfg_info->stats_addr, iocfc->stats_pa);
/**
* dma map REQ and RSP circular queues and shadow pointers
*/
for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
bfa_dma_be_addr_set(cfg_info->req_cq_ba[i],
iocfc->req_cq_ba[i].pa);
bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i],
iocfc->req_cq_shadow_ci[i].pa);
cfg_info->req_cq_elems[i] =
bfa_os_htons(cfg->drvcfg.num_reqq_elems);
bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i],
iocfc->rsp_cq_ba[i].pa);
bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i],
iocfc->rsp_cq_shadow_pi[i].pa);
cfg_info->rsp_cq_elems[i] =
bfa_os_htons(cfg->drvcfg.num_rspq_elems);
}
/**
* dma map IOC configuration itself
*/
bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ,
bfa_lpuid(bfa));
bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa);
bfa_ioc_mbox_send(&bfa->ioc, &cfg_req,
sizeof(struct bfi_iocfc_cfg_req_s));
}
static void
bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
bfa->bfad = bfad;
iocfc->bfa = bfa;
iocfc->action = BFA_IOCFC_ACT_NONE;
bfa_os_assign(iocfc->cfg, *cfg);
/**
* Initialize chip specific handlers.
*/
if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT) {
iocfc->hwif.hw_reginit = bfa_hwct_reginit;
iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack;
iocfc->hwif.hw_msix_init = bfa_hwct_msix_init;
iocfc->hwif.hw_msix_install = bfa_hwct_msix_install;
iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall;
iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set;
iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs;
} else {
iocfc->hwif.hw_reginit = bfa_hwcb_reginit;
iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack;
iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init;
iocfc->hwif.hw_msix_install = bfa_hwcb_msix_install;
iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall;
iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set;
iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs;
}
iocfc->hwif.hw_reginit(bfa);
bfa->msix.nvecs = 0;
}
static void
bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo)
{
u8 *dm_kva;
u64 dm_pa;
int i, per_reqq_sz, per_rspq_sz;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
int dbgsz;
dm_kva = bfa_meminfo_dma_virt(meminfo);
dm_pa = bfa_meminfo_dma_phys(meminfo);
/*
* First allocate dma memory for IOC.
*/
bfa_ioc_mem_claim(&bfa->ioc, dm_kva, dm_pa);
dm_kva += bfa_ioc_meminfo();
dm_pa += bfa_ioc_meminfo();
/*
* Claim DMA-able memory for the request/response queues and for shadow
* ci/pi registers
*/
per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
BFA_DMA_ALIGN_SZ);
per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
BFA_DMA_ALIGN_SZ);
for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
iocfc->req_cq_ba[i].kva = dm_kva;
iocfc->req_cq_ba[i].pa = dm_pa;
bfa_os_memset(dm_kva, 0, per_reqq_sz);
dm_kva += per_reqq_sz;
dm_pa += per_reqq_sz;
iocfc->rsp_cq_ba[i].kva = dm_kva;
iocfc->rsp_cq_ba[i].pa = dm_pa;
bfa_os_memset(dm_kva, 0, per_rspq_sz);
dm_kva += per_rspq_sz;
dm_pa += per_rspq_sz;
}
for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
iocfc->req_cq_shadow_ci[i].kva = dm_kva;
iocfc->req_cq_shadow_ci[i].pa = dm_pa;
dm_kva += BFA_CACHELINE_SZ;
dm_pa += BFA_CACHELINE_SZ;
iocfc->rsp_cq_shadow_pi[i].kva = dm_kva;
iocfc->rsp_cq_shadow_pi[i].pa = dm_pa;
dm_kva += BFA_CACHELINE_SZ;
dm_pa += BFA_CACHELINE_SZ;
}
/*
* Claim DMA-able memory for the config info page
*/
bfa->iocfc.cfg_info.kva = dm_kva;
bfa->iocfc.cfg_info.pa = dm_pa;
bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva;
dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
/*
* Claim DMA-able memory for the config response
*/
bfa->iocfc.cfgrsp_dma.kva = dm_kva;
bfa->iocfc.cfgrsp_dma.pa = dm_pa;
bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva;
dm_kva +=
BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
BFA_CACHELINE_SZ);
dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
BFA_CACHELINE_SZ);
/*
* Claim DMA-able memory for iocfc stats
*/
bfa->iocfc.stats_kva = dm_kva;
bfa->iocfc.stats_pa = dm_pa;
bfa->iocfc.fw_stats = (struct bfa_fw_stats_s *) dm_kva;
dm_kva += BFA_ROUNDUP(sizeof(struct bfa_fw_stats_s), BFA_CACHELINE_SZ);
dm_pa += BFA_ROUNDUP(sizeof(struct bfa_fw_stats_s), BFA_CACHELINE_SZ);
bfa_meminfo_dma_virt(meminfo) = dm_kva;
bfa_meminfo_dma_phys(meminfo) = dm_pa;
dbgsz = bfa_ioc_debug_trcsz(bfa_auto_recover);
if (dbgsz > 0) {
bfa_ioc_debug_memclaim(&bfa->ioc, bfa_meminfo_kva(meminfo));
bfa_meminfo_kva(meminfo) += dbgsz;
}
}
/**
* BFA submodules initialization completion notification.
*/
static void
bfa_iocfc_initdone_submod(struct bfa_s *bfa)
{
int i;
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->initdone(bfa);
}
/**
* Start BFA submodules.
*/
static void
bfa_iocfc_start_submod(struct bfa_s *bfa)
{
int i;
bfa->rme_process = BFA_TRUE;
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->start(bfa);
}
/**
* Disable BFA submodules.
*/
static void
bfa_iocfc_disable_submod(struct bfa_s *bfa)
{
int i;
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->iocdisable(bfa);
}
static void
bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete)
{
struct bfa_s *bfa = bfa_arg;
if (complete) {
if (bfa->iocfc.cfgdone)
bfa_cb_init(bfa->bfad, BFA_STATUS_OK);
else
bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED);
} else
bfa->iocfc.action = BFA_IOCFC_ACT_NONE;
}
static void
bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl)
{
struct bfa_s *bfa = bfa_arg;
struct bfad_s *bfad = bfa->bfad;
if (compl)
complete(&bfad->comp);
else
bfa->iocfc.action = BFA_IOCFC_ACT_NONE;
}
static void
bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl)
{
struct bfa_s *bfa = bfa_arg;
struct bfad_s *bfad = bfa->bfad;
if (compl)
complete(&bfad->disable_comp);
}
/**
* Update BFA configuration from firmware configuration.
*/
static void
bfa_iocfc_cfgrsp(struct bfa_s *bfa)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg;
struct bfi_iocfc_cfg_s *cfginfo = iocfc->cfginfo;
fwcfg->num_cqs = fwcfg->num_cqs;
fwcfg->num_ioim_reqs = bfa_os_ntohs(fwcfg->num_ioim_reqs);
fwcfg->num_tskim_reqs = bfa_os_ntohs(fwcfg->num_tskim_reqs);
fwcfg->num_fcxp_reqs = bfa_os_ntohs(fwcfg->num_fcxp_reqs);
fwcfg->num_uf_bufs = bfa_os_ntohs(fwcfg->num_uf_bufs);
fwcfg->num_rports = bfa_os_ntohs(fwcfg->num_rports);
cfginfo->intr_attr.coalesce = cfgrsp->intr_attr.coalesce;
cfginfo->intr_attr.delay = bfa_os_ntohs(cfgrsp->intr_attr.delay);
cfginfo->intr_attr.latency = bfa_os_ntohs(cfgrsp->intr_attr.latency);
iocfc->cfgdone = BFA_TRUE;
/**
* Configuration is complete - initialize/start submodules
*/
if (iocfc->action == BFA_IOCFC_ACT_INIT)
bfa_cb_queue(bfa, &iocfc->init_hcb_qe, bfa_iocfc_init_cb, bfa);
else
bfa_iocfc_start_submod(bfa);
}
static void
bfa_iocfc_stats_clear(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_stats_req_s stats_req;
bfa_timer_start(bfa, &iocfc->stats_timer,
bfa_iocfc_stats_clr_timeout, bfa,
BFA_IOCFC_TOV);
bfi_h2i_set(stats_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CLEAR_STATS_REQ,
bfa_lpuid(bfa));
bfa_ioc_mbox_send(&bfa->ioc, &stats_req,
sizeof(struct bfi_iocfc_stats_req_s));
}
static void
bfa_iocfc_stats_swap(struct bfa_fw_stats_s *d, struct bfa_fw_stats_s *s)
{
u32 *dip = (u32 *) d;
u32 *sip = (u32 *) s;
int i;
for (i = 0; i < (sizeof(struct bfa_fw_stats_s) / sizeof(u32)); i++)
dip[i] = bfa_os_ntohl(sip[i]);
}
static void
bfa_iocfc_stats_clr_cb(void *bfa_arg, bfa_boolean_t complete)
{
struct bfa_s *bfa = bfa_arg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
if (complete) {
bfa_ioc_clr_stats(&bfa->ioc);
iocfc->stats_cbfn(iocfc->stats_cbarg, iocfc->stats_status);
} else {
iocfc->stats_busy = BFA_FALSE;
iocfc->stats_status = BFA_STATUS_OK;
}
}
static void
bfa_iocfc_stats_clr_timeout(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
bfa_trc(bfa, 0);
iocfc->stats_status = BFA_STATUS_ETIMER;
bfa_cb_queue(bfa, &iocfc->stats_hcb_qe, bfa_iocfc_stats_clr_cb, bfa);
}
static void
bfa_iocfc_stats_cb(void *bfa_arg, bfa_boolean_t complete)
{
struct bfa_s *bfa = bfa_arg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
if (complete) {
if (iocfc->stats_status == BFA_STATUS_OK) {
bfa_os_memset(iocfc->stats_ret, 0,
sizeof(*iocfc->stats_ret));
bfa_iocfc_stats_swap(&iocfc->stats_ret->fw_stats,
iocfc->fw_stats);
}
iocfc->stats_cbfn(iocfc->stats_cbarg, iocfc->stats_status);
} else {
iocfc->stats_busy = BFA_FALSE;
iocfc->stats_status = BFA_STATUS_OK;
}
}
static void
bfa_iocfc_stats_timeout(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
bfa_trc(bfa, 0);
iocfc->stats_status = BFA_STATUS_ETIMER;
bfa_cb_queue(bfa, &iocfc->stats_hcb_qe, bfa_iocfc_stats_cb, bfa);
}
static void
bfa_iocfc_stats_query(struct bfa_s *bfa)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_stats_req_s stats_req;
bfa_timer_start(bfa, &iocfc->stats_timer,
bfa_iocfc_stats_timeout, bfa, BFA_IOCFC_TOV);
bfi_h2i_set(stats_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_GET_STATS_REQ,
bfa_lpuid(bfa));
bfa_ioc_mbox_send(&bfa->ioc, &stats_req,
sizeof(struct bfi_iocfc_stats_req_s));
}
void
bfa_iocfc_reset_queues(struct bfa_s *bfa)
{
int q;
for (q = 0; q < BFI_IOC_MAX_CQS; q++) {
bfa_reqq_ci(bfa, q) = 0;
bfa_reqq_pi(bfa, q) = 0;
bfa_rspq_ci(bfa, q) = 0;
bfa_rspq_pi(bfa, q) = 0;
}
}
/**
* IOC enable request is complete
*/
static void
bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status)
{
struct bfa_s *bfa = bfa_arg;
if (status != BFA_STATUS_OK) {
bfa_isr_disable(bfa);
if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT)
bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe,
bfa_iocfc_init_cb, bfa);
return;
}
bfa_iocfc_initdone_submod(bfa);
bfa_iocfc_send_cfg(bfa);
}
/**
* IOC disable request is complete
*/
static void
bfa_iocfc_disable_cbfn(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
bfa_isr_disable(bfa);
bfa_iocfc_disable_submod(bfa);
if (bfa->iocfc.action == BFA_IOCFC_ACT_STOP)
bfa_cb_queue(bfa, &bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb,
bfa);
else {
bfa_assert(bfa->iocfc.action == BFA_IOCFC_ACT_DISABLE);
bfa_cb_queue(bfa, &bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb,
bfa);
}
}
/**
* Notify sub-modules of hardware failure.
*/
static void
bfa_iocfc_hbfail_cbfn(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
bfa->rme_process = BFA_FALSE;
bfa_isr_disable(bfa);
bfa_iocfc_disable_submod(bfa);
if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT)
bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb,
bfa);
}
/**
* Actions on chip-reset completion.
*/
static void
bfa_iocfc_reset_cbfn(void *bfa_arg)
{
struct bfa_s *bfa = bfa_arg;
bfa_iocfc_reset_queues(bfa);
bfa_isr_enable(bfa);
}
/**
* bfa_ioc_public
*/
/**
* Query IOC memory requirement information.
*/
void
bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len)
{
/* dma memory for IOC */
*dm_len += bfa_ioc_meminfo();
bfa_iocfc_fw_cfg_sz(cfg, dm_len);
bfa_iocfc_cqs_sz(cfg, dm_len);
*km_len += bfa_ioc_debug_trcsz(bfa_auto_recover);
}
/**
* Query IOC memory requirement information.
*/
void
bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
int i;
bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn;
bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn;
bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn;
bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn;
bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod,
bfa->trcmod, bfa->aen, bfa->logm);
bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_MC_IOCFC);
bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
/**
* Choose FC (ssid: 0x1C) v/s FCoE (ssid: 0x14) mode.
*/
if (0)
bfa_ioc_set_fcmode(&bfa->ioc);
bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev);
bfa_iocfc_mem_claim(bfa, cfg, meminfo);
bfa_timer_init(&bfa->timer_mod);
INIT_LIST_HEAD(&bfa->comp_q);
for (i = 0; i < BFI_IOC_MAX_CQS; i++)
INIT_LIST_HEAD(&bfa->reqq_waitq[i]);
}
/**
* Query IOC memory requirement information.
*/
void
bfa_iocfc_detach(struct bfa_s *bfa)
{
bfa_ioc_detach(&bfa->ioc);
}
/**
* Query IOC memory requirement information.
*/
void
bfa_iocfc_init(struct bfa_s *bfa)
{
bfa->iocfc.action = BFA_IOCFC_ACT_INIT;
bfa_ioc_enable(&bfa->ioc);
bfa_msix_install(bfa);
}
/**
* IOC start called from bfa_start(). Called to start IOC operations
* at driver instantiation for this instance.
*/
void
bfa_iocfc_start(struct bfa_s *bfa)
{
if (bfa->iocfc.cfgdone)
bfa_iocfc_start_submod(bfa);
}
/**
* IOC stop called from bfa_stop(). Called only when driver is unloaded
* for this instance.
*/
void
bfa_iocfc_stop(struct bfa_s *bfa)
{
bfa->iocfc.action = BFA_IOCFC_ACT_STOP;
bfa->rme_process = BFA_FALSE;
bfa_ioc_disable(&bfa->ioc);
}
void
bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m)
{
struct bfa_s *bfa = bfaarg;
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
union bfi_iocfc_i2h_msg_u *msg;
msg = (union bfi_iocfc_i2h_msg_u *) m;
bfa_trc(bfa, msg->mh.msg_id);
switch (msg->mh.msg_id) {
case BFI_IOCFC_I2H_CFG_REPLY:
iocfc->cfg_reply = &msg->cfg_reply;
bfa_iocfc_cfgrsp(bfa);
break;
case BFI_IOCFC_I2H_GET_STATS_RSP:
if (iocfc->stats_busy == BFA_FALSE
|| iocfc->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&iocfc->stats_timer);
iocfc->stats_status = BFA_STATUS_OK;
bfa_cb_queue(bfa, &iocfc->stats_hcb_qe, bfa_iocfc_stats_cb,
bfa);
break;
case BFI_IOCFC_I2H_CLEAR_STATS_RSP:
/*
* check for timer pop before processing the rsp
*/
if (iocfc->stats_busy == BFA_FALSE
|| iocfc->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&iocfc->stats_timer);
iocfc->stats_status = BFA_STATUS_OK;
bfa_cb_queue(bfa, &iocfc->stats_hcb_qe,
bfa_iocfc_stats_clr_cb, bfa);
break;
case BFI_IOCFC_I2H_UPDATEQ_RSP:
iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK);
break;
default:
bfa_assert(0);
}
}
#ifndef BFA_BIOS_BUILD
void
bfa_adapter_get_attr(struct bfa_s *bfa, struct bfa_adapter_attr_s *ad_attr)
{
bfa_ioc_get_adapter_attr(&bfa->ioc, ad_attr);
}
u64
bfa_adapter_get_id(struct bfa_s *bfa)
{
return bfa_ioc_get_adid(&bfa->ioc);
}
void
bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
attr->intr_attr = iocfc->cfginfo->intr_attr;
attr->config = iocfc->cfg;
}
bfa_status_t
bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_set_intr_req_s *m;
iocfc->cfginfo->intr_attr = *attr;
if (!bfa_iocfc_is_operational(bfa))
return BFA_STATUS_OK;
m = bfa_reqq_next(bfa, BFA_REQQ_IOC);
if (!m)
return BFA_STATUS_DEVBUSY;
bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ,
bfa_lpuid(bfa));
m->coalesce = attr->coalesce;
m->delay = bfa_os_htons(attr->delay);
m->latency = bfa_os_htons(attr->latency);
bfa_trc(bfa, attr->delay);
bfa_trc(bfa, attr->latency);
bfa_reqq_produce(bfa, BFA_REQQ_IOC);
return BFA_STATUS_OK;
}
void
bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1);
bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase, snsbase_pa);
}
bfa_status_t
bfa_iocfc_get_stats(struct bfa_s *bfa, struct bfa_iocfc_stats_s *stats,
bfa_cb_ioc_t cbfn, void *cbarg)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
if (iocfc->stats_busy) {
bfa_trc(bfa, iocfc->stats_busy);
return (BFA_STATUS_DEVBUSY);
}
iocfc->stats_busy = BFA_TRUE;
iocfc->stats_ret = stats;
iocfc->stats_cbfn = cbfn;
iocfc->stats_cbarg = cbarg;
bfa_iocfc_stats_query(bfa);
return (BFA_STATUS_OK);
}
bfa_status_t
bfa_iocfc_clear_stats(struct bfa_s *bfa, bfa_cb_ioc_t cbfn, void *cbarg)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
if (iocfc->stats_busy) {
bfa_trc(bfa, iocfc->stats_busy);
return (BFA_STATUS_DEVBUSY);
}
iocfc->stats_busy = BFA_TRUE;
iocfc->stats_cbfn = cbfn;
iocfc->stats_cbarg = cbarg;
bfa_iocfc_stats_clear(bfa);
return (BFA_STATUS_OK);
}
/**
* Enable IOC after it is disabled.
*/
void
bfa_iocfc_enable(struct bfa_s *bfa)
{
bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
"IOC Enable");
bfa_ioc_enable(&bfa->ioc);
}
void
bfa_iocfc_disable(struct bfa_s *bfa)
{
bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
"IOC Disable");
bfa->iocfc.action = BFA_IOCFC_ACT_DISABLE;
bfa->rme_process = BFA_FALSE;
bfa_ioc_disable(&bfa->ioc);
}
bfa_boolean_t
bfa_iocfc_is_operational(struct bfa_s *bfa)
{
return bfa_ioc_is_operational(&bfa->ioc) && bfa->iocfc.cfgdone;
}
/**
* Return boot target port wwns -- read from boot information in flash.
*/
void
bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t **wwns)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
*nwwns = cfgrsp->bootwwns.nwwns;
*wwns = cfgrsp->bootwwns.wwn;
}
#endif

168
drivers/scsi/bfa/bfa_iocfc.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_IOCFC_H__
#define __BFA_IOCFC_H__
#include <bfa_ioc.h>
#include <bfa.h>
#include <bfi/bfi_iocfc.h>
#include <bfa_callback_priv.h>
#define BFA_REQQ_NELEMS_MIN (4)
#define BFA_RSPQ_NELEMS_MIN (4)
struct bfa_iocfc_regs_s {
bfa_os_addr_t intr_status;
bfa_os_addr_t intr_mask;
bfa_os_addr_t cpe_q_pi[BFI_IOC_MAX_CQS];
bfa_os_addr_t cpe_q_ci[BFI_IOC_MAX_CQS];
bfa_os_addr_t cpe_q_depth[BFI_IOC_MAX_CQS];
bfa_os_addr_t cpe_q_ctrl[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_ci[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_pi[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_depth[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_ctrl[BFI_IOC_MAX_CQS];
};
/**
* MSIX vector handlers
*/
#define BFA_MSIX_MAX_VECTORS 22
typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec);
struct bfa_msix_s {
int nvecs;
bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS];
};
/**
* Chip specific interfaces
*/
struct bfa_hwif_s {
void (*hw_reginit)(struct bfa_s *bfa);
void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq);
void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
void (*hw_msix_install)(struct bfa_s *bfa);
void (*hw_msix_uninstall)(struct bfa_s *bfa);
void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix);
void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap,
u32 *nvecs, u32 *maxvec);
};
typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
struct bfa_iocfc_s {
struct bfa_s *bfa;
struct bfa_iocfc_cfg_s cfg;
int action;
u32 req_cq_pi[BFI_IOC_MAX_CQS];
u32 rsp_cq_ci[BFI_IOC_MAX_CQS];
struct bfa_cb_qe_s init_hcb_qe;
struct bfa_cb_qe_s stop_hcb_qe;
struct bfa_cb_qe_s dis_hcb_qe;
struct bfa_cb_qe_s stats_hcb_qe;
bfa_boolean_t cfgdone;
struct bfa_dma_s cfg_info;
struct bfi_iocfc_cfg_s *cfginfo;
struct bfa_dma_s cfgrsp_dma;
struct bfi_iocfc_cfgrsp_s *cfgrsp;
struct bfi_iocfc_cfg_reply_s *cfg_reply;
u8 *stats_kva;
u64 stats_pa;
struct bfa_fw_stats_s *fw_stats;
struct bfa_timer_s stats_timer; /* timer */
struct bfa_iocfc_stats_s *stats_ret; /* driver stats location */
bfa_status_t stats_status; /* stats/statsclr status */
bfa_boolean_t stats_busy; /* outstanding stats */
bfa_cb_ioc_t stats_cbfn; /* driver callback function */
void *stats_cbarg; /* user callback arg */
struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS];
struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS];
struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS];
struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS];
struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */
struct bfa_hwif_s hwif;
bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */
void *updateq_cbarg; /* bios callback arg */
};
#define bfa_lpuid(__bfa) bfa_ioc_portid(&(__bfa)->ioc)
#define bfa_msix_init(__bfa, __nvecs) \
(__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs)
#define bfa_msix_install(__bfa) \
(__bfa)->iocfc.hwif.hw_msix_install(__bfa)
#define bfa_msix_uninstall(__bfa) \
(__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa)
#define bfa_isr_mode_set(__bfa, __msix) \
(__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix)
#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \
(__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec)
/*
* FC specific IOC functions.
*/
void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len);
void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad,
struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
struct bfa_pcidev_s *pcidev);
void bfa_iocfc_detach(struct bfa_s *bfa);
void bfa_iocfc_init(struct bfa_s *bfa);
void bfa_iocfc_start(struct bfa_s *bfa);
void bfa_iocfc_stop(struct bfa_s *bfa);
void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg);
void bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa);
bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa);
void bfa_iocfc_reset_queues(struct bfa_s *bfa);
void bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba,
u32 reqq_sci, u32 rspq_spi,
bfa_cb_iocfc_t cbfn, void *cbarg);
void bfa_msix_all(struct bfa_s *bfa, int vec);
void bfa_msix_reqq(struct bfa_s *bfa, int vec);
void bfa_msix_rspq(struct bfa_s *bfa, int vec);
void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
void bfa_hwcb_reginit(struct bfa_s *bfa);
void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq);
void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
void bfa_hwcb_msix_install(struct bfa_s *bfa);
void bfa_hwcb_msix_uninstall(struct bfa_s *bfa);
void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
u32 *nvecs, u32 *maxvec);
void bfa_hwct_reginit(struct bfa_s *bfa);
void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq);
void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
void bfa_hwct_msix_install(struct bfa_s *bfa);
void bfa_hwct_msix_uninstall(struct bfa_s *bfa);
void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
u32 *nvecs, u32 *maxvec);
void bfa_com_meminfo(bfa_boolean_t mincfg, u32 *dm_len);
void bfa_com_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi,
bfa_boolean_t mincfg);
void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t **wwns);
#endif /* __BFA_IOCFC_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include "bfa_intr_priv.h"
BFA_TRC_FILE(HAL, IOCFC_Q);
void
bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba,
u32 reqq_sci, u32 rspq_spi, bfa_cb_iocfc_t cbfn,
void *cbarg)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_updateq_req_s updateq_req;
iocfc->updateq_cbfn = cbfn;
iocfc->updateq_cbarg = cbarg;
bfi_h2i_set(updateq_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_UPDATEQ_REQ,
bfa_lpuid(bfa));
updateq_req.reqq_ba = bfa_os_htonl(reqq_ba);
updateq_req.rspq_ba = bfa_os_htonl(rspq_ba);
updateq_req.reqq_sci = bfa_os_htonl(reqq_sci);
updateq_req.rspq_spi = bfa_os_htonl(rspq_spi);
bfa_ioc_mbox_send(&bfa->ioc, &updateq_req,
sizeof(struct bfi_iocfc_updateq_req_s));
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_log.c BFA log library
*/
#include <bfa_os_inc.h>
#include <cs/bfa_log.h>
/*
* global log info structure
*/
struct bfa_log_info_s {
u32 start_idx; /* start index for a module */
u32 total_count; /* total count for a module */
enum bfa_log_severity level; /* global log level */
bfa_log_cb_t cbfn; /* callback function */
};
static struct bfa_log_info_s bfa_log_info[BFA_LOG_MODULE_ID_MAX + 1];
static u32 bfa_log_msg_total_count;
static int bfa_log_initialized;
static char *bfa_log_severity[] =
{ "[none]", "[critical]", "[error]", "[warn]", "[info]", "" };
/**
* BFA log library initialization
*
* The log library initialization includes the following,
* - set log instance name and callback function
* - read the message array generated from xml files
* - calculate start index for each module
* - calculate message count for each module
* - perform error checking
*
* @param[in] log_mod - log module info
* @param[in] instance_name - instance name
* @param[in] cbfn - callback function
*
* It return 0 on success, or -1 on failure
*/
int
bfa_log_init(struct bfa_log_mod_s *log_mod, char *instance_name,
bfa_log_cb_t cbfn)
{
struct bfa_log_msgdef_s *msg;
u32 pre_mod_id = 0;
u32 cur_mod_id = 0;
u32 i, pre_idx, idx, msg_id;
/*
* set instance name
*/
if (log_mod) {
strncpy(log_mod->instance_info, instance_name,
sizeof(log_mod->instance_info));
log_mod->cbfn = cbfn;
for (i = 0; i <= BFA_LOG_MODULE_ID_MAX; i++)
log_mod->log_level[i] = BFA_LOG_WARNING;
}
if (bfa_log_initialized)
return 0;
for (i = 0; i <= BFA_LOG_MODULE_ID_MAX; i++) {
bfa_log_info[i].start_idx = 0;
bfa_log_info[i].total_count = 0;
bfa_log_info[i].level = BFA_LOG_WARNING;
bfa_log_info[i].cbfn = cbfn;
}
pre_idx = 0;
idx = 0;
msg = bfa_log_msg_array;
msg_id = BFA_LOG_GET_MSG_ID(msg);
pre_mod_id = BFA_LOG_GET_MOD_ID(msg_id);
while (msg_id != 0) {
cur_mod_id = BFA_LOG_GET_MOD_ID(msg_id);
if (cur_mod_id > BFA_LOG_MODULE_ID_MAX) {
cbfn(log_mod, msg_id,
"%s%s log: module id %u out of range\n",
BFA_LOG_CAT_NAME,
bfa_log_severity[BFA_LOG_ERROR],
cur_mod_id);
return -1;
}
if (pre_mod_id > BFA_LOG_MODULE_ID_MAX) {
cbfn(log_mod, msg_id,
"%s%s log: module id %u out of range\n",
BFA_LOG_CAT_NAME,
bfa_log_severity[BFA_LOG_ERROR],
pre_mod_id);
return -1;
}
if (cur_mod_id != pre_mod_id) {
bfa_log_info[pre_mod_id].start_idx = pre_idx;
bfa_log_info[pre_mod_id].total_count = idx - pre_idx;
pre_mod_id = cur_mod_id;
pre_idx = idx;
}
idx++;
msg++;
msg_id = BFA_LOG_GET_MSG_ID(msg);
}
bfa_log_info[cur_mod_id].start_idx = pre_idx;
bfa_log_info[cur_mod_id].total_count = idx - pre_idx;
bfa_log_msg_total_count = idx;
cbfn(log_mod, msg_id, "%s%s log: init OK, msg total count %u\n",
BFA_LOG_CAT_NAME,
bfa_log_severity[BFA_LOG_INFO], bfa_log_msg_total_count);
bfa_log_initialized = 1;
return 0;
}
/**
* BFA log set log level for a module
*
* @param[in] log_mod - log module info
* @param[in] mod_id - module id
* @param[in] log_level - log severity level
*
* It return BFA_STATUS_OK on success, or > 0 on failure
*/
bfa_status_t
bfa_log_set_level(struct bfa_log_mod_s *log_mod, int mod_id,
enum bfa_log_severity log_level)
{
if (mod_id <= BFA_LOG_UNUSED_ID || mod_id > BFA_LOG_MODULE_ID_MAX)
return BFA_STATUS_EINVAL;
if (log_level <= BFA_LOG_INVALID || log_level > BFA_LOG_LEVEL_MAX)
return BFA_STATUS_EINVAL;
if (log_mod)
log_mod->log_level[mod_id] = log_level;
else
bfa_log_info[mod_id].level = log_level;
return BFA_STATUS_OK;
}
/**
* BFA log set log level for all modules
*
* @param[in] log_mod - log module info
* @param[in] log_level - log severity level
*
* It return BFA_STATUS_OK on success, or > 0 on failure
*/
bfa_status_t
bfa_log_set_level_all(struct bfa_log_mod_s *log_mod,
enum bfa_log_severity log_level)
{
int mod_id = BFA_LOG_UNUSED_ID + 1;
if (log_level <= BFA_LOG_INVALID || log_level > BFA_LOG_LEVEL_MAX)
return BFA_STATUS_EINVAL;
if (log_mod) {
for (; mod_id <= BFA_LOG_MODULE_ID_MAX; mod_id++)
log_mod->log_level[mod_id] = log_level;
} else {
for (; mod_id <= BFA_LOG_MODULE_ID_MAX; mod_id++)
bfa_log_info[mod_id].level = log_level;
}
return BFA_STATUS_OK;
}
/**
* BFA log set log level for all aen sub-modules
*
* @param[in] log_mod - log module info
* @param[in] log_level - log severity level
*
* It return BFA_STATUS_OK on success, or > 0 on failure
*/
bfa_status_t
bfa_log_set_level_aen(struct bfa_log_mod_s *log_mod,
enum bfa_log_severity log_level)
{
int mod_id = BFA_LOG_AEN_MIN + 1;
if (log_mod) {
for (; mod_id <= BFA_LOG_AEN_MAX; mod_id++)
log_mod->log_level[mod_id] = log_level;
} else {
for (; mod_id <= BFA_LOG_AEN_MAX; mod_id++)
bfa_log_info[mod_id].level = log_level;
}
return BFA_STATUS_OK;
}
/**
* BFA log get log level for a module
*
* @param[in] log_mod - log module info
* @param[in] mod_id - module id
*
* It returns log level or -1 on error
*/
enum bfa_log_severity
bfa_log_get_level(struct bfa_log_mod_s *log_mod, int mod_id)
{
if (mod_id <= BFA_LOG_UNUSED_ID || mod_id > BFA_LOG_MODULE_ID_MAX)
return BFA_LOG_INVALID;
if (log_mod)
return (log_mod->log_level[mod_id]);
else
return (bfa_log_info[mod_id].level);
}
enum bfa_log_severity
bfa_log_get_msg_level(struct bfa_log_mod_s *log_mod, u32 msg_id)
{
struct bfa_log_msgdef_s *msg;
u32 mod = BFA_LOG_GET_MOD_ID(msg_id);
u32 idx = BFA_LOG_GET_MSG_IDX(msg_id) - 1;
if (!bfa_log_initialized)
return BFA_LOG_INVALID;
if (mod > BFA_LOG_MODULE_ID_MAX)
return BFA_LOG_INVALID;
if (idx >= bfa_log_info[mod].total_count) {
bfa_log_info[mod].cbfn(log_mod, msg_id,
"%s%s log: inconsistent idx %u vs. total count %u\n",
BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR], idx,
bfa_log_info[mod].total_count);
return BFA_LOG_INVALID;
}
msg = bfa_log_msg_array + bfa_log_info[mod].start_idx + idx;
if (msg_id != BFA_LOG_GET_MSG_ID(msg)) {
bfa_log_info[mod].cbfn(log_mod, msg_id,
"%s%s log: inconsistent msg id %u array msg id %u\n",
BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR],
msg_id, BFA_LOG_GET_MSG_ID(msg));
return BFA_LOG_INVALID;
}
return BFA_LOG_GET_SEVERITY(msg);
}
/**
* BFA log message handling
*
* BFA log message handling finds the message based on message id and prints
* out the message based on its format and arguments. It also does prefix
* the severity etc.
*
* @param[in] log_mod - log module info
* @param[in] msg_id - message id
* @param[in] ... - message arguments
*
* It return 0 on success, or -1 on errors
*/
int
bfa_log(struct bfa_log_mod_s *log_mod, u32 msg_id, ...)
{
va_list ap;
char buf[256];
struct bfa_log_msgdef_s *msg;
int log_level;
u32 mod = BFA_LOG_GET_MOD_ID(msg_id);
u32 idx = BFA_LOG_GET_MSG_IDX(msg_id) - 1;
if (!bfa_log_initialized)
return -1;
if (mod > BFA_LOG_MODULE_ID_MAX)
return -1;
if (idx >= bfa_log_info[mod].total_count) {
bfa_log_info[mod].
cbfn
(log_mod, msg_id,
"%s%s log: inconsistent idx %u vs. total count %u\n",
BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR], idx,
bfa_log_info[mod].total_count);
return -1;
}
msg = bfa_log_msg_array + bfa_log_info[mod].start_idx + idx;
if (msg_id != BFA_LOG_GET_MSG_ID(msg)) {
bfa_log_info[mod].
cbfn
(log_mod, msg_id,
"%s%s log: inconsistent msg id %u array msg id %u\n",
BFA_LOG_CAT_NAME, bfa_log_severity[BFA_LOG_ERROR],
msg_id, BFA_LOG_GET_MSG_ID(msg));
return -1;
}
log_level = log_mod ? log_mod->log_level[mod] : bfa_log_info[mod].level;
if ((BFA_LOG_GET_SEVERITY(msg) > log_level) &&
(msg->attributes != BFA_LOG_ATTR_NONE))
return 0;
va_start(ap, msg_id);
bfa_os_vsprintf(buf, BFA_LOG_GET_MSG_FMT_STRING(msg), ap);
va_end(ap);
if (log_mod)
log_mod->cbfn(log_mod, msg_id, "%s[%s]%s%s %s: %s\n",
BFA_LOG_CAT_NAME, log_mod->instance_info,
bfa_log_severity[BFA_LOG_GET_SEVERITY(msg)],
(msg->attributes & BFA_LOG_ATTR_AUDIT)
? " (audit) " : "", msg->msg_value, buf);
else
bfa_log_info[mod].cbfn(log_mod, msg_id, "%s%s%s %s: %s\n",
BFA_LOG_CAT_NAME,
bfa_log_severity[BFA_LOG_GET_SEVERITY(msg)],
(msg->attributes & BFA_LOG_ATTR_AUDIT) ?
" (audit) " : "", msg->msg_value, buf);
return 0;
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <cs/bfa_log.h>
#include <aen/bfa_aen_adapter.h>
#include <aen/bfa_aen_audit.h>
#include <aen/bfa_aen_ethport.h>
#include <aen/bfa_aen_ioc.h>
#include <aen/bfa_aen_itnim.h>
#include <aen/bfa_aen_lport.h>
#include <aen/bfa_aen_port.h>
#include <aen/bfa_aen_rport.h>
#include <log/bfa_log_fcs.h>
#include <log/bfa_log_hal.h>
#include <log/bfa_log_linux.h>
#include <log/bfa_log_wdrv.h>
struct bfa_log_msgdef_s bfa_log_msg_array[] = {
/* messages define for BFA_AEN_CAT_ADAPTER Module */
{BFA_AEN_ADAPTER_ADD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_ADAPTER_ADD",
"New adapter found: SN = %s, base port WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_ADAPTER_REMOVE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_ADAPTER_REMOVE",
"Adapter removed: SN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
/* messages define for BFA_AEN_CAT_AUDIT Module */
{BFA_AEN_AUDIT_AUTH_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "BFA_AEN_AUDIT_AUTH_ENABLE",
"Authentication enabled for base port: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_AUDIT_AUTH_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "BFA_AEN_AUDIT_AUTH_DISABLE",
"Authentication disabled for base port: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
/* messages define for BFA_AEN_CAT_ETHPORT Module */
{BFA_AEN_ETHPORT_LINKUP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_ETHPORT_LINKUP",
"Base port ethernet linkup: mac = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_ETHPORT_LINKDOWN, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_ETHPORT_LINKDOWN",
"Base port ethernet linkdown: mac = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_ETHPORT_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_ETHPORT_ENABLE",
"Base port ethernet interface enabled: mac = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_ETHPORT_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_ETHPORT_DISABLE",
"Base port ethernet interface disabled: mac = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
/* messages define for BFA_AEN_CAT_IOC Module */
{BFA_AEN_IOC_HBGOOD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_IOC_HBGOOD",
"Heart Beat of IOC %d is good.",
((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_IOC_HBFAIL, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_CRITICAL,
"BFA_AEN_IOC_HBFAIL",
"Heart Beat of IOC %d has failed.",
((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_IOC_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_IOC_ENABLE",
"IOC %d is enabled.",
((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_IOC_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_IOC_DISABLE",
"IOC %d is disabled.",
((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_IOC_FWMISMATCH, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_CRITICAL, "BFA_AEN_IOC_FWMISMATCH",
"Running firmware version is incompatible with the driver version.",
(0), 0},
/* messages define for BFA_AEN_CAT_ITNIM Module */
{BFA_AEN_ITNIM_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_ITNIM_ONLINE",
"Target (WWN = %s) is online for initiator (WWN = %s).",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_ITNIM_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_ITNIM_OFFLINE",
"Target (WWN = %s) offlined by initiator (WWN = %s).",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_ITNIM_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_ERROR, "BFA_AEN_ITNIM_DISCONNECT",
"Target (WWN = %s) connectivity lost for initiator (WWN = %s).",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
/* messages define for BFA_AEN_CAT_LPORT Module */
{BFA_AEN_LPORT_NEW, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_LPORT_NEW",
"New logical port created: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_DELETE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_LPORT_DELETE",
"Logical port deleted: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_LPORT_ONLINE",
"Logical port online: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_LPORT_OFFLINE",
"Logical port taken offline: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_ERROR, "BFA_AEN_LPORT_DISCONNECT",
"Logical port lost fabric connectivity: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_NEW_PROP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_LPORT_NEW_PROP",
"New virtual port created using proprietary interface: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_DELETE_PROP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "BFA_AEN_LPORT_DELETE_PROP",
"Virtual port deleted using proprietary interface: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_NEW_STANDARD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "BFA_AEN_LPORT_NEW_STANDARD",
"New virtual port created using standard interface: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_DELETE_STANDARD, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "BFA_AEN_LPORT_DELETE_STANDARD",
"Virtual port deleted using standard interface: WWN = %s, Role = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_LPORT_NPIV_DUP_WWN, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_LPORT_NPIV_DUP_WWN",
"Virtual port login failed. Duplicate WWN = %s reported by fabric.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_LPORT_NPIV_FABRIC_MAX, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_LPORT_NPIV_FABRIC_MAX",
"Virtual port (WWN = %s) login failed. Max NPIV ports already exist in"
" fabric/fport.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_LPORT_NPIV_UNKNOWN, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_LPORT_NPIV_UNKNOWN",
"Virtual port (WWN = %s) login failed.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
/* messages define for BFA_AEN_CAT_PORT Module */
{BFA_AEN_PORT_ONLINE, BFA_LOG_ATTR_NONE, BFA_LOG_INFO, "BFA_AEN_PORT_ONLINE",
"Base port online: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_WARNING,
"BFA_AEN_PORT_OFFLINE",
"Base port offline: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_RLIR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_PORT_RLIR",
"RLIR event not supported.",
(0), 0},
{BFA_AEN_PORT_SFP_INSERT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_PORT_SFP_INSERT",
"New SFP found: WWN/MAC = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_SFP_REMOVE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_PORT_SFP_REMOVE",
"SFP removed: WWN/MAC = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_SFP_POM, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_WARNING,
"BFA_AEN_PORT_SFP_POM",
"SFP POM level to %s: WWN/MAC = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_PORT_ENABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_PORT_ENABLE",
"Base port enabled: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_DISABLE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_PORT_DISABLE",
"Base port disabled: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_AUTH_ON, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_PORT_AUTH_ON",
"Authentication successful for base port: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_AUTH_OFF, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR,
"BFA_AEN_PORT_AUTH_OFF",
"Authentication unsuccessful for base port: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR,
"BFA_AEN_PORT_DISCONNECT",
"Base port (WWN = %s) lost fabric connectivity.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_QOS_NEG, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_WARNING,
"BFA_AEN_PORT_QOS_NEG",
"QOS negotiation failed for base port: WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_FABRIC_NAME_CHANGE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_PORT_FABRIC_NAME_CHANGE",
"Base port WWN = %s, Fabric WWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_PORT_SFP_ACCESS_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_PORT_SFP_ACCESS_ERROR",
"SFP access error: WWN/MAC = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_AEN_PORT_SFP_UNSUPPORT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_WARNING, "BFA_AEN_PORT_SFP_UNSUPPORT",
"Unsupported SFP found: WWN/MAC = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
/* messages define for BFA_AEN_CAT_RPORT Module */
{BFA_AEN_RPORT_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_RPORT_ONLINE",
"Remote port (WWN = %s) online for logical port (WWN = %s).",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_RPORT_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_RPORT_OFFLINE",
"Remote port (WWN = %s) offlined by logical port (WWN = %s).",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_RPORT_DISCONNECT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_ERROR, "BFA_AEN_RPORT_DISCONNECT",
"Remote port (WWN = %s) connectivity lost for logical port (WWN = %s).",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) | 0), 2},
{BFA_AEN_RPORT_QOS_PRIO, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_RPORT_QOS_PRIO",
"QOS priority changed to %s: RPWWN = %s and LPWWN = %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) |
(BFA_LOG_S << BFA_LOG_ARG2) | 0), 3},
{BFA_AEN_RPORT_QOS_FLOWID, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"BFA_AEN_RPORT_QOS_FLOWID",
"QOS flow ID changed to %d: RPWWN = %s and LPWWN = %s.",
((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) |
(BFA_LOG_S << BFA_LOG_ARG2) | 0), 3},
/* messages define for FCS Module */
{BFA_LOG_FCS_FABRIC_NOSWITCH, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "FCS_FABRIC_NOSWITCH",
"No switched fabric presence is detected.",
(0), 0},
{BFA_LOG_FCS_FABRIC_ISOLATED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "FCS_FABRIC_ISOLATED",
"Port is isolated due to VF_ID mismatch. PWWN: %s, Port VF_ID: %04x and"
" switch port VF_ID: %04x.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_X << BFA_LOG_ARG1) |
(BFA_LOG_X << BFA_LOG_ARG2) | 0), 3},
/* messages define for HAL Module */
{BFA_LOG_HAL_ASSERT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR,
"HAL_ASSERT",
"Assertion failure: %s:%d: %s",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) |
(BFA_LOG_S << BFA_LOG_ARG2) | 0), 3},
{BFA_LOG_HAL_HEARTBEAT_FAILURE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_CRITICAL, "HAL_HEARTBEAT_FAILURE",
"Firmware heartbeat failure at %d",
((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1},
{BFA_LOG_HAL_FCPIM_PARM_INVALID, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "HAL_FCPIM_PARM_INVALID",
"Driver configuration %s value %d is invalid. Value should be within"
" %d and %d.",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) |
(BFA_LOG_D << BFA_LOG_ARG2) | (BFA_LOG_D << BFA_LOG_ARG3) | 0), 4},
{BFA_LOG_HAL_SM_ASSERT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_ERROR,
"HAL_SM_ASSERT",
"SM Assertion failure: %s:%d: event = %d",
((BFA_LOG_S << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) |
(BFA_LOG_D << BFA_LOG_ARG2) | 0), 3},
/* messages define for LINUX Module */
{BFA_LOG_LINUX_DEVICE_CLAIMED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_DEVICE_CLAIMED",
"bfa device at %s claimed.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_LOG_LINUX_HASH_INIT_FAILED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_HASH_INIT_FAILED",
"Hash table initialization failure for the port %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_LOG_LINUX_SYSFS_FAILED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_SYSFS_FAILED",
"sysfs file creation failure for the port %s.",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_LOG_LINUX_MEM_ALLOC_FAILED, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_MEM_ALLOC_FAILED",
"Memory allocation failed: %s. ",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_LOG_LINUX_DRIVER_REGISTRATION_FAILED,
BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"LINUX_DRIVER_REGISTRATION_FAILED",
"%s. ",
((BFA_LOG_S << BFA_LOG_ARG0) | 0), 1},
{BFA_LOG_LINUX_ITNIM_FREE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"LINUX_ITNIM_FREE",
"scsi%d: FCID: %s WWPN: %s",
((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_S << BFA_LOG_ARG1) |
(BFA_LOG_S << BFA_LOG_ARG2) | 0), 3},
{BFA_LOG_LINUX_ITNIM_ONLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_ITNIM_ONLINE",
"Target: %d:0:%d FCID: %s WWPN: %s",
((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) |
(BFA_LOG_S << BFA_LOG_ARG2) | (BFA_LOG_S << BFA_LOG_ARG3) | 0), 4},
{BFA_LOG_LINUX_ITNIM_OFFLINE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_ITNIM_OFFLINE",
"Target: %d:0:%d FCID: %s WWPN: %s",
((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_D << BFA_LOG_ARG1) |
(BFA_LOG_S << BFA_LOG_ARG2) | (BFA_LOG_S << BFA_LOG_ARG3) | 0), 4},
{BFA_LOG_LINUX_SCSI_HOST_FREE, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_SCSI_HOST_FREE",
"Free scsi%d",
((BFA_LOG_D << BFA_LOG_ARG0) | 0), 1},
{BFA_LOG_LINUX_SCSI_ABORT, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG, BFA_LOG_INFO,
"LINUX_SCSI_ABORT",
"scsi%d: abort cmnd %p, iotag %x",
((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_P << BFA_LOG_ARG1) |
(BFA_LOG_X << BFA_LOG_ARG2) | 0), 3},
{BFA_LOG_LINUX_SCSI_ABORT_COMP, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "LINUX_SCSI_ABORT_COMP",
"scsi%d: complete abort 0x%p, iotag 0x%x",
((BFA_LOG_D << BFA_LOG_ARG0) | (BFA_LOG_P << BFA_LOG_ARG1) |
(BFA_LOG_X << BFA_LOG_ARG2) | 0), 3},
/* messages define for WDRV Module */
{BFA_LOG_WDRV_IOC_INIT_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "WDRV_IOC_INIT_ERROR",
"IOC initialization has failed.",
(0), 0},
{BFA_LOG_WDRV_IOC_INTERNAL_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "WDRV_IOC_INTERNAL_ERROR",
"IOC internal error. ",
(0), 0},
{BFA_LOG_WDRV_IOC_START_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "WDRV_IOC_START_ERROR",
"IOC could not be started. ",
(0), 0},
{BFA_LOG_WDRV_IOC_STOP_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "WDRV_IOC_STOP_ERROR",
"IOC could not be stopped. ",
(0), 0},
{BFA_LOG_WDRV_INSUFFICIENT_RESOURCES, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "WDRV_INSUFFICIENT_RESOURCES",
"Insufficient memory. ",
(0), 0},
{BFA_LOG_WDRV_BASE_ADDRESS_MAP_ERROR, BFA_LOG_ATTR_NONE | BFA_LOG_ATTR_LOG,
BFA_LOG_INFO, "WDRV_BASE_ADDRESS_MAP_ERROR",
"Unable to map the IOC onto the system address space. ",
(0), 0},
{0, 0, 0, "", "", 0, 0},
};

782
drivers/scsi/bfa/bfa_lps.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfi/bfi_lps.h>
#include <cs/bfa_debug.h>
BFA_TRC_FILE(HAL, LPS);
BFA_MODULE(lps);
#define BFA_LPS_MIN_LPORTS (1)
#define BFA_LPS_MAX_LPORTS (256)
/**
* forward declarations
*/
static void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
u32 *dm_len);
static void bfa_lps_attach(struct bfa_s *bfa, void *bfad,
struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo,
struct bfa_pcidev_s *pcidev);
static void bfa_lps_initdone(struct bfa_s *bfa);
static void bfa_lps_detach(struct bfa_s *bfa);
static void bfa_lps_start(struct bfa_s *bfa);
static void bfa_lps_stop(struct bfa_s *bfa);
static void bfa_lps_iocdisable(struct bfa_s *bfa);
static void bfa_lps_login_rsp(struct bfa_s *bfa,
struct bfi_lps_login_rsp_s *rsp);
static void bfa_lps_logout_rsp(struct bfa_s *bfa,
struct bfi_lps_logout_rsp_s *rsp);
static void bfa_lps_reqq_resume(void *lps_arg);
static void bfa_lps_free(struct bfa_lps_s *lps);
static void bfa_lps_send_login(struct bfa_lps_s *lps);
static void bfa_lps_send_logout(struct bfa_lps_s *lps);
static void bfa_lps_login_comp(struct bfa_lps_s *lps);
static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
/**
* lps_pvt BFA LPS private functions
*/
enum bfa_lps_event {
BFA_LPS_SM_LOGIN = 1, /* login request from user */
BFA_LPS_SM_LOGOUT = 2, /* logout request from user */
BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */
BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */
BFA_LPS_SM_DELETE = 5, /* lps delete from user */
BFA_LPS_SM_OFFLINE = 6, /* Link is offline */
};
static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps,
enum bfa_lps_event event);
static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_logowait(struct bfa_lps_s *lps,
enum bfa_lps_event event);
/**
* Init state -- no login
*/
static void
bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_LOGIN:
if (bfa_reqq_full(lps->bfa, lps->reqq)) {
bfa_sm_set_state(lps, bfa_lps_sm_loginwait);
bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
} else {
bfa_sm_set_state(lps, bfa_lps_sm_login);
bfa_lps_send_login(lps);
}
break;
case BFA_LPS_SM_LOGOUT:
bfa_lps_logout_comp(lps);
break;
case BFA_LPS_SM_DELETE:
bfa_lps_free(lps);
break;
case BFA_LPS_SM_OFFLINE:
break;
case BFA_LPS_SM_FWRSP:
/* Could happen when fabric detects loopback and discards
* the lps request. Fw will eventually sent out the timeout
* Just ignore
*/
break;
default:
bfa_assert(0);
}
}
/**
* login is in progress -- awaiting response from firmware
*/
static void
bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_FWRSP:
if (lps->status == BFA_STATUS_OK)
bfa_sm_set_state(lps, bfa_lps_sm_online);
else
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_lps_login_comp(lps);
break;
case BFA_LPS_SM_OFFLINE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
default:
bfa_assert(0);
}
}
/**
* login pending - awaiting space in request queue
*/
static void
bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_RESUME:
bfa_sm_set_state(lps, bfa_lps_sm_login);
break;
case BFA_LPS_SM_OFFLINE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
break;
default:
bfa_assert(0);
}
}
/**
* login complete
*/
static void
bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_LOGOUT:
if (bfa_reqq_full(lps->bfa, lps->reqq)) {
bfa_sm_set_state(lps, bfa_lps_sm_logowait);
bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
} else {
bfa_sm_set_state(lps, bfa_lps_sm_logout);
bfa_lps_send_logout(lps);
}
break;
case BFA_LPS_SM_OFFLINE:
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
default:
bfa_assert(0);
}
}
/**
* logout in progress - awaiting firmware response
*/
static void
bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_FWRSP:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_lps_logout_comp(lps);
break;
case BFA_LPS_SM_OFFLINE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
default:
bfa_assert(0);
}
}
/**
* logout pending -- awaiting space in request queue
*/
static void
bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_RESUME:
bfa_sm_set_state(lps, bfa_lps_sm_logout);
bfa_lps_send_logout(lps);
break;
case BFA_LPS_SM_OFFLINE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
break;
default:
bfa_assert(0);
}
}
/**
* lps_pvt BFA LPS private functions
*/
/**
* return memory requirement
*/
static void
bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, u32 *dm_len)
{
if (cfg->drvcfg.min_cfg)
*ndm_len += sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS;
else
*ndm_len += sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS;
}
/**
* bfa module attach at initialization time
*/
static void
bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
int i;
bfa_os_memset(mod, 0, sizeof(struct bfa_lps_mod_s));
mod->num_lps = BFA_LPS_MAX_LPORTS;
if (cfg->drvcfg.min_cfg)
mod->num_lps = BFA_LPS_MIN_LPORTS;
else
mod->num_lps = BFA_LPS_MAX_LPORTS;
mod->lps_arr = lps = (struct bfa_lps_s *) bfa_meminfo_kva(meminfo);
bfa_meminfo_kva(meminfo) += mod->num_lps * sizeof(struct bfa_lps_s);
INIT_LIST_HEAD(&mod->lps_free_q);
INIT_LIST_HEAD(&mod->lps_active_q);
for (i = 0; i < mod->num_lps; i++, lps++) {
lps->bfa = bfa;
lps->lp_tag = (u8) i;
lps->reqq = BFA_REQQ_LPS;
bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps);
list_add_tail(&lps->qe, &mod->lps_free_q);
}
}
static void
bfa_lps_initdone(struct bfa_s *bfa)
{
}
static void
bfa_lps_detach(struct bfa_s *bfa)
{
}
static void
bfa_lps_start(struct bfa_s *bfa)
{
}
static void
bfa_lps_stop(struct bfa_s *bfa)
{
}
/**
* IOC in disabled state -- consider all lps offline
*/
static void
bfa_lps_iocdisable(struct bfa_s *bfa)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &mod->lps_active_q) {
lps = (struct bfa_lps_s *) qe;
bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
}
}
/**
* Firmware login response
*/
static void
bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
bfa_assert(rsp->lp_tag < mod->num_lps);
lps = BFA_LPS_FROM_TAG(mod, rsp->lp_tag);
lps->status = rsp->status;
switch (rsp->status) {
case BFA_STATUS_OK:
lps->fport = rsp->f_port;
lps->npiv_en = rsp->npiv_en;
lps->lp_pid = rsp->lp_pid;
lps->pr_bbcred = bfa_os_ntohs(rsp->bb_credit);
lps->pr_pwwn = rsp->port_name;
lps->pr_nwwn = rsp->node_name;
lps->auth_req = rsp->auth_req;
lps->lp_mac = rsp->lp_mac;
lps->brcd_switch = rsp->brcd_switch;
lps->fcf_mac = rsp->fcf_mac;
break;
case BFA_STATUS_FABRIC_RJT:
lps->lsrjt_rsn = rsp->lsrjt_rsn;
lps->lsrjt_expl = rsp->lsrjt_expl;
break;
case BFA_STATUS_EPROTOCOL:
lps->ext_status = rsp->ext_status;
break;
default:
/* Nothing to do with other status */
break;
}
bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
}
/**
* Firmware logout response
*/
static void
bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
bfa_assert(rsp->lp_tag < mod->num_lps);
lps = BFA_LPS_FROM_TAG(mod, rsp->lp_tag);
bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
}
/**
* Space is available in request queue, resume queueing request to firmware.
*/
static void
bfa_lps_reqq_resume(void *lps_arg)
{
struct bfa_lps_s *lps = lps_arg;
bfa_sm_send_event(lps, BFA_LPS_SM_RESUME);
}
/**
* lps is freed -- triggered by vport delete
*/
static void
bfa_lps_free(struct bfa_lps_s *lps)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
list_del(&lps->qe);
list_add_tail(&lps->qe, &mod->lps_free_q);
}
/**
* send login request to firmware
*/
static void
bfa_lps_send_login(struct bfa_lps_s *lps)
{
struct bfi_lps_login_req_s *m;
m = bfa_reqq_next(lps->bfa, lps->reqq);
bfa_assert(m);
bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
bfa_lpuid(lps->bfa));
m->lp_tag = lps->lp_tag;
m->alpa = lps->alpa;
m->pdu_size = bfa_os_htons(lps->pdusz);
m->pwwn = lps->pwwn;
m->nwwn = lps->nwwn;
m->fdisc = lps->fdisc;
m->auth_en = lps->auth_en;
bfa_reqq_produce(lps->bfa, lps->reqq);
}
/**
* send logout request to firmware
*/
static void
bfa_lps_send_logout(struct bfa_lps_s *lps)
{
struct bfi_lps_logout_req_s *m;
m = bfa_reqq_next(lps->bfa, lps->reqq);
bfa_assert(m);
bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
bfa_lpuid(lps->bfa));
m->lp_tag = lps->lp_tag;
m->port_name = lps->pwwn;
bfa_reqq_produce(lps->bfa, lps->reqq);
}
/**
* Indirect login completion handler for non-fcs
*/
static void
bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete)
{
struct bfa_lps_s *lps = arg;
if (!complete)
return;
if (lps->fdisc)
bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
else
bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
}
/**
* Login completion handler -- direct call for fcs, queue for others
*/
static void
bfa_lps_login_comp(struct bfa_lps_s *lps)
{
if (!lps->bfa->fcs) {
bfa_cb_queue(lps->bfa, &lps->hcb_qe,
bfa_lps_login_comp_cb, lps);
return;
}
if (lps->fdisc)
bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
else
bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
}
/**
* Indirect logout completion handler for non-fcs
*/
static void
bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete)
{
struct bfa_lps_s *lps = arg;
if (!complete)
return;
if (lps->fdisc)
bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
else
bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
}
/**
* Logout completion handler -- direct call for fcs, queue for others
*/
static void
bfa_lps_logout_comp(struct bfa_lps_s *lps)
{
if (!lps->bfa->fcs) {
bfa_cb_queue(lps->bfa, &lps->hcb_qe,
bfa_lps_logout_comp_cb, lps);
return;
}
if (lps->fdisc)
bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
else
bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
}
/**
* lps_public BFA LPS public functions
*/
/**
* Allocate a lport srvice tag.
*/
struct bfa_lps_s *
bfa_lps_alloc(struct bfa_s *bfa)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps = NULL;
bfa_q_deq(&mod->lps_free_q, &lps);
if (lps == NULL)
return NULL;
list_add_tail(&lps->qe, &mod->lps_active_q);
bfa_sm_set_state(lps, bfa_lps_sm_init);
return lps;
}
/**
* Free lport service tag. This can be called anytime after an alloc.
* No need to wait for any pending login/logout completions.
*/
void
bfa_lps_delete(struct bfa_lps_s *lps)
{
bfa_sm_send_event(lps, BFA_LPS_SM_DELETE);
}
/**
* Initiate a lport login.
*/
void
bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en)
{
lps->uarg = uarg;
lps->alpa = alpa;
lps->pdusz = pdusz;
lps->pwwn = pwwn;
lps->nwwn = nwwn;
lps->fdisc = BFA_FALSE;
lps->auth_en = auth_en;
bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
}
/**
* Initiate a lport fdisc login.
*/
void
bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
wwn_t nwwn)
{
lps->uarg = uarg;
lps->alpa = 0;
lps->pdusz = pdusz;
lps->pwwn = pwwn;
lps->nwwn = nwwn;
lps->fdisc = BFA_TRUE;
lps->auth_en = BFA_FALSE;
bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
}
/**
* Initiate a lport logout (flogi).
*/
void
bfa_lps_flogo(struct bfa_lps_s *lps)
{
bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
}
/**
* Initiate a lport FDSIC logout.
*/
void
bfa_lps_fdisclogo(struct bfa_lps_s *lps)
{
bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
}
/**
* Discard a pending login request -- should be called only for
* link down handling.
*/
void
bfa_lps_discard(struct bfa_lps_s *lps)
{
bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
}
/**
* Return lport services tag
*/
u8
bfa_lps_get_tag(struct bfa_lps_s *lps)
{
return lps->lp_tag;
}
/**
* Return lport services tag given the pid
*/
u8
bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
int i;
for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) {
if (lps->lp_pid == pid)
return lps->lp_tag;
}
/* Return base port tag anyway */
return 0;
}
/**
* return if fabric login indicates support for NPIV
*/
bfa_boolean_t
bfa_lps_is_npiv_en(struct bfa_lps_s *lps)
{
return lps->npiv_en;
}
/**
* Return TRUE if attached to F-Port, else return FALSE
*/
bfa_boolean_t
bfa_lps_is_fport(struct bfa_lps_s *lps)
{
return lps->fport;
}
/**
* Return TRUE if attached to a Brocade Fabric
*/
bfa_boolean_t
bfa_lps_is_brcd_fabric(struct bfa_lps_s *lps)
{
return lps->brcd_switch;
}
/**
* return TRUE if authentication is required
*/
bfa_boolean_t
bfa_lps_is_authreq(struct bfa_lps_s *lps)
{
return lps->auth_req;
}
bfa_eproto_status_t
bfa_lps_get_extstatus(struct bfa_lps_s *lps)
{
return lps->ext_status;
}
/**
* return port id assigned to the lport
*/
u32
bfa_lps_get_pid(struct bfa_lps_s *lps)
{
return lps->lp_pid;
}
/**
* Return bb_credit assigned in FLOGI response
*/
u16
bfa_lps_get_peer_bbcredit(struct bfa_lps_s *lps)
{
return lps->pr_bbcred;
}
/**
* Return peer port name
*/
wwn_t
bfa_lps_get_peer_pwwn(struct bfa_lps_s *lps)
{
return lps->pr_pwwn;
}
/**
* Return peer node name
*/
wwn_t
bfa_lps_get_peer_nwwn(struct bfa_lps_s *lps)
{
return lps->pr_nwwn;
}
/**
* return reason code if login request is rejected
*/
u8
bfa_lps_get_lsrjt_rsn(struct bfa_lps_s *lps)
{
return lps->lsrjt_rsn;
}
/**
* return explanation code if login request is rejected
*/
u8
bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps)
{
return lps->lsrjt_expl;
}
/**
* LPS firmware message class handler.
*/
void
bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
{
union bfi_lps_i2h_msg_u msg;
bfa_trc(bfa, m->mhdr.msg_id);
msg.msg = m;
switch (m->mhdr.msg_id) {
case BFI_LPS_H2I_LOGIN_RSP:
bfa_lps_login_rsp(bfa, msg.login_rsp);
break;
case BFI_LPS_H2I_LOGOUT_RSP:
bfa_lps_logout_rsp(bfa, msg.logout_rsp);
break;
default:
bfa_trc(bfa, m->mhdr.msg_id);
bfa_assert(0);
}
}

38
drivers/scsi/bfa/bfa_lps_priv.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_LPS_PRIV_H__
#define __BFA_LPS_PRIV_H__
#include <bfa_svc.h>
struct bfa_lps_mod_s {
struct list_head lps_free_q;
struct list_head lps_active_q;
struct bfa_lps_s *lps_arr;
int num_lps;
};
#define BFA_LPS_MOD(__bfa) (&(__bfa)->modules.lps_mod)
#define BFA_LPS_FROM_TAG(__mod, __tag) (&(__mod)->lps_arr[__tag])
/*
* external functions
*/
void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
#endif /* __BFA_LPS_PRIV_H__ */

90
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <defs/bfa_defs_pci.h>
#include <cs/bfa_debug.h>
#include <bfa_iocfc.h>
/**
* BFA module list terminated by NULL
*/
struct bfa_module_s *hal_mods[] = {
&hal_mod_sgpg,
&hal_mod_pport,
&hal_mod_fcxp,
&hal_mod_lps,
&hal_mod_uf,
&hal_mod_rport,
&hal_mod_fcpim,
#ifdef BFA_CFG_PBIND
&hal_mod_pbind,
#endif
NULL
};
/**
* Message handlers for various modules.
*/
bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = {
bfa_isr_unhandled, /* NONE */
bfa_isr_unhandled, /* BFI_MC_IOC */
bfa_isr_unhandled, /* BFI_MC_DIAG */
bfa_isr_unhandled, /* BFI_MC_FLASH */
bfa_isr_unhandled, /* BFI_MC_CEE */
bfa_pport_isr, /* BFI_MC_PORT */
bfa_isr_unhandled, /* BFI_MC_IOCFC */
bfa_isr_unhandled, /* BFI_MC_LL */
bfa_uf_isr, /* BFI_MC_UF */
bfa_fcxp_isr, /* BFI_MC_FCXP */
bfa_lps_isr, /* BFI_MC_LPS */
bfa_rport_isr, /* BFI_MC_RPORT */
bfa_itnim_isr, /* BFI_MC_ITNIM */
bfa_isr_unhandled, /* BFI_MC_IOIM_READ */
bfa_isr_unhandled, /* BFI_MC_IOIM_WRITE */
bfa_isr_unhandled, /* BFI_MC_IOIM_IO */
bfa_ioim_isr, /* BFI_MC_IOIM */
bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */
bfa_tskim_isr, /* BFI_MC_TSKIM */
bfa_isr_unhandled, /* BFI_MC_SBOOT */
bfa_isr_unhandled, /* BFI_MC_IPFC */
bfa_isr_unhandled, /* BFI_MC_PORT */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
bfa_isr_unhandled, /* --------- */
};
/**
* Message handlers for mailbox command classes
*/
bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = {
NULL,
NULL, /* BFI_MC_IOC */
NULL, /* BFI_MC_DIAG */
NULL, /* BFI_MC_FLASH */
NULL, /* BFI_MC_CEE */
NULL, /* BFI_MC_PORT */
bfa_iocfc_isr, /* BFI_MC_IOCFC */
NULL,
};

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_MODULES_PRIV_H__
#define __BFA_MODULES_PRIV_H__
#include "bfa_uf_priv.h"
#include "bfa_port_priv.h"
#include "bfa_rport_priv.h"
#include "bfa_fcxp_priv.h"
#include "bfa_lps_priv.h"
#include "bfa_fcpim_priv.h"
#include <cee/bfa_cee.h>
#include <port/bfa_port.h>
struct bfa_modules_s {
struct bfa_pport_s pport; /* physical port module */
struct bfa_fcxp_mod_s fcxp_mod; /* fcxp module */
struct bfa_lps_mod_s lps_mod; /* fcxp module */
struct bfa_uf_mod_s uf_mod; /* unsolicited frame module */
struct bfa_rport_mod_s rport_mod; /* remote port module */
struct bfa_fcpim_mod_s fcpim_mod; /* FCP initiator module */
struct bfa_sgpg_mod_s sgpg_mod; /* SG page module */
struct bfa_cee_s cee; /* CEE Module */
struct bfa_port_s port; /* Physical port module */
};
#endif /* __BFA_MODULES_PRIV_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* Contains declarations all OS Specific files needed for BFA layer
*/
#ifndef __BFA_OS_INC_H__
#define __BFA_OS_INC_H__
#ifndef __KERNEL__
#include <stdint.h>
#else
#include <linux/types.h>
#include <linux/version.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#define SET_MODULE_VERSION(VER)
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/cdev.h>
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/scsi_transport.h>
#define BFA_ERR KERN_ERR
#define BFA_WARNING KERN_WARNING
#define BFA_NOTICE KERN_NOTICE
#define BFA_INFO KERN_INFO
#define BFA_DEBUG KERN_DEBUG
#define LOG_BFAD_INIT 0x00000001
#define LOG_FCP_IO 0x00000002
#ifdef DEBUG
#define BFA_LOG_TRACE(bfad, level, mask, fmt, arg...) \
BFA_LOG(bfad, level, mask, fmt, ## arg)
#define BFA_DEV_TRACE(bfad, level, fmt, arg...) \
BFA_DEV_PRINTF(bfad, level, fmt, ## arg)
#define BFA_TRACE(level, fmt, arg...) \
BFA_PRINTF(level, fmt, ## arg)
#else
#define BFA_LOG_TRACE(bfad, level, mask, fmt, arg...)
#define BFA_DEV_TRACE(bfad, level, fmt, arg...)
#define BFA_TRACE(level, fmt, arg...)
#endif
#define BFA_ASSERT(p) do { \
if (!(p)) { \
printk(KERN_ERR "assert(%s) failed at %s:%d\n", \
#p, __FILE__, __LINE__); \
BUG(); \
} \
} while (0)
#define BFA_LOG(bfad, level, mask, fmt, arg...) \
do { \
if (((mask) & (((struct bfad_s *)(bfad))-> \
cfg_data[cfg_log_mask])) || (level[1] <= '3')) \
dev_printk(level, &(((struct bfad_s *) \
(bfad))->pcidev->dev), fmt, ##arg); \
} while (0)
#ifndef BFA_DEV_PRINTF
#define BFA_DEV_PRINTF(bfad, level, fmt, arg...) \
dev_printk(level, &(((struct bfad_s *) \
(bfad))->pcidev->dev), fmt, ##arg);
#endif
#define BFA_PRINTF(level, fmt, arg...) \
printk(level fmt, ##arg);
int bfa_os_MWB(void *);
#define bfa_os_mmiowb() mmiowb()
#define bfa_swap_3b(_x) \
((((_x) & 0xff) << 16) | \
((_x) & 0x00ff00) | \
(((_x) & 0xff0000) >> 16))
#define bfa_swap_8b(_x) \
((((_x) & 0xff00000000000000ull) >> 56) \
| (((_x) & 0x00ff000000000000ull) >> 40) \
| (((_x) & 0x0000ff0000000000ull) >> 24) \
| (((_x) & 0x000000ff00000000ull) >> 8) \
| (((_x) & 0x00000000ff000000ull) << 8) \
| (((_x) & 0x0000000000ff0000ull) << 24) \
| (((_x) & 0x000000000000ff00ull) << 40) \
| (((_x) & 0x00000000000000ffull) << 56))
#define bfa_os_swap32(_x) \
((((_x) & 0xff) << 24) | \
(((_x) & 0x0000ff00) << 8) | \
(((_x) & 0x00ff0000) >> 8) | \
(((_x) & 0xff000000) >> 24))
#ifndef __BIGENDIAN
#define bfa_os_htons(_x) ((u16)((((_x) & 0xff00) >> 8) | \
(((_x) & 0x00ff) << 8)))
#define bfa_os_htonl(_x) bfa_os_swap32(_x)
#define bfa_os_htonll(_x) bfa_swap_8b(_x)
#define bfa_os_hton3b(_x) bfa_swap_3b(_x)
#define bfa_os_wtole(_x) (_x)
#else
#define bfa_os_htons(_x) (_x)
#define bfa_os_htonl(_x) (_x)
#define bfa_os_hton3b(_x) (_x)
#define bfa_os_htonll(_x) (_x)
#define bfa_os_wtole(_x) bfa_os_swap32(_x)
#endif
#define bfa_os_ntohs(_x) bfa_os_htons(_x)
#define bfa_os_ntohl(_x) bfa_os_htonl(_x)
#define bfa_os_ntohll(_x) bfa_os_htonll(_x)
#define bfa_os_ntoh3b(_x) bfa_os_hton3b(_x)
#define bfa_os_u32(__pa64) ((__pa64) >> 32)
#define bfa_os_memset memset
#define bfa_os_memcpy memcpy
#define bfa_os_udelay udelay
#define bfa_os_vsprintf vsprintf
#define bfa_os_assign(__t, __s) __t = __s
#define bfa_os_addr_t char __iomem *
#define bfa_os_panic()
#define bfa_os_reg_read(_raddr) bfa_os_wtole(readl(_raddr))
#define bfa_os_reg_write(_raddr, _val) writel(bfa_os_wtole((_val)), (_raddr))
#define bfa_os_mem_read(_raddr, _off) \
bfa_os_ntohl(readl(((_raddr) + (_off))))
#define bfa_os_mem_write(_raddr, _off, _val) \
writel(bfa_os_htonl((_val)), ((_raddr) + (_off)))
#define BFA_TRC_TS(_trcm) \
({ \
struct timeval tv; \
\
do_gettimeofday(&tv); \
(tv.tv_sec*1000000+tv.tv_usec); \
})
struct bfa_log_mod_s;
void bfa_os_printf(struct bfa_log_mod_s *log_mod, u32 msg_id,
const char *fmt, ...);
#endif
#define boolean_t int
/**
* For current time stamp, OS API will fill-in
*/
struct bfa_timeval_s {
u32 tv_sec; /* seconds */
u32 tv_usec; /* microseconds */
};
void bfa_os_gettimeofday(struct bfa_timeval_s *tv);
static inline void
wwn2str(char *wwn_str, u64 wwn)
{
union {
u64 wwn;
u8 byte[8];
} w;
w.wwn = wwn;
sprintf(wwn_str, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", w.byte[0],
w.byte[1], w.byte[2], w.byte[3], w.byte[4], w.byte[5],
w.byte[6], w.byte[7]);
}
static inline void
fcid2str(char *fcid_str, u32 fcid)
{
union {
u32 fcid;
u8 byte[4];
} f;
f.fcid = fcid;
sprintf(fcid_str, "%02x:%02x:%02x", f.byte[1], f.byte[2], f.byte[3]);
}
#endif /* __BFA_OS_INC_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <defs/bfa_defs_port.h>
#include <cs/bfa_trc.h>
#include <cs/bfa_log.h>
#include <cs/bfa_debug.h>
#include <port/bfa_port.h>
#include <bfi/bfi.h>
#include <bfi/bfi_port.h>
#include <bfa_ioc.h>
#include <cna/bfa_cna_trcmod.h>
BFA_TRC_FILE(CNA, PORT);
#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc)
static void
bfa_port_stats_swap(struct bfa_port_s *port, union bfa_pport_stats_u *stats)
{
u32 *dip = (u32 *) stats;
u32 t0, t1;
int i;
for (i = 0; i < sizeof(union bfa_pport_stats_u) / sizeof(u32);
i += 2) {
t0 = dip[i];
t1 = dip[i + 1];
#ifdef __BIGENDIAN
dip[i] = bfa_os_ntohl(t0);
dip[i + 1] = bfa_os_ntohl(t1);
#else
dip[i] = bfa_os_ntohl(t1);
dip[i + 1] = bfa_os_ntohl(t0);
#endif
}
/** todo
* QoS stats r also swapped as 64bit; that structure also
* has to use 64 bit counters
*/
}
/**
* bfa_port_enable_isr()
*
*
* @param[in] port - Pointer to the port module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_port_enable_isr(struct bfa_port_s *port, bfa_status_t status)
{
bfa_assert(0);
}
/**
* bfa_port_disable_isr()
*
*
* @param[in] port - Pointer to the port module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_port_disable_isr(struct bfa_port_s *port, bfa_status_t status)
{
bfa_assert(0);
}
/**
* bfa_port_get_stats_isr()
*
*
* @param[in] port - Pointer to the Port module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_port_get_stats_isr(struct bfa_port_s *port, bfa_status_t status)
{
port->stats_status = status;
port->stats_busy = BFA_FALSE;
if (status == BFA_STATUS_OK) {
memcpy(port->stats, port->stats_dma.kva,
sizeof(union bfa_pport_stats_u));
bfa_port_stats_swap(port, port->stats);
}
if (port->stats_cbfn) {
port->stats_cbfn(port->stats_cbarg, status);
port->stats_cbfn = NULL;
}
}
/**
* bfa_port_clear_stats_isr()
*
*
* @param[in] port - Pointer to the Port module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_port_clear_stats_isr(struct bfa_port_s *port, bfa_status_t status)
{
port->stats_status = status;
port->stats_busy = BFA_FALSE;
if (port->stats_cbfn) {
port->stats_cbfn(port->stats_cbarg, status);
port->stats_cbfn = NULL;
}
}
/**
* bfa_port_isr()
*
*
* @param[in] Pointer to the Port module data structure.
*
* @return void
*/
static void
bfa_port_isr(void *cbarg, struct bfi_mbmsg_s *m)
{
struct bfa_port_s *port = (struct bfa_port_s *)cbarg;
union bfi_port_i2h_msg_u *i2hmsg;
i2hmsg = (union bfi_port_i2h_msg_u *)m;
bfa_trc(port, m->mh.msg_id);
switch (m->mh.msg_id) {
case BFI_PORT_I2H_ENABLE_RSP:
if (port->endis_pending == BFA_FALSE)
break;
bfa_port_enable_isr(port, i2hmsg->enable_rsp.status);
break;
case BFI_PORT_I2H_DISABLE_RSP:
if (port->endis_pending == BFA_FALSE)
break;
bfa_port_disable_isr(port, i2hmsg->disable_rsp.status);
break;
case BFI_PORT_I2H_GET_STATS_RSP:
/*
* Stats busy flag is still set? (may be cmd timed out)
*/
if (port->stats_busy == BFA_FALSE)
break;
bfa_port_get_stats_isr(port, i2hmsg->getstats_rsp.status);
break;
case BFI_PORT_I2H_CLEAR_STATS_RSP:
if (port->stats_busy == BFA_FALSE)
break;
bfa_port_clear_stats_isr(port, i2hmsg->clearstats_rsp.status);
break;
default:
bfa_assert(0);
}
}
/**
* bfa_port_meminfo()
*
*
* @param[in] void
*
* @return Size of DMA region
*/
u32
bfa_port_meminfo(void)
{
return BFA_ROUNDUP(sizeof(union bfa_pport_stats_u), BFA_DMA_ALIGN_SZ);
}
/**
* bfa_port_mem_claim()
*
*
* @param[in] port Port module pointer
* dma_kva Kernel Virtual Address of Port DMA Memory
* dma_pa Physical Address of Port DMA Memory
*
* @return void
*/
void
bfa_port_mem_claim(struct bfa_port_s *port, u8 *dma_kva, u64 dma_pa)
{
port->stats_dma.kva = dma_kva;
port->stats_dma.pa = dma_pa;
}
/**
* bfa_port_enable()
*
* Send the Port enable request to the f/w
*
* @param[in] Pointer to the Port module data structure.
*
* @return Status
*/
bfa_status_t
bfa_port_enable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn,
void *cbarg)
{
struct bfi_port_generic_req_s *m;
/** todo Not implemented */
bfa_assert(0);
if (!bfa_ioc_is_operational(port->ioc)) {
bfa_trc(port, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (port->endis_pending) {
bfa_trc(port, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
m = (struct bfi_port_generic_req_s *)port->endis_mb.msg;
port->msgtag++;
port->endis_cbfn = cbfn;
port->endis_cbarg = cbarg;
port->endis_pending = BFA_TRUE;
bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_ENABLE_REQ,
bfa_ioc_portid(port->ioc));
bfa_ioc_mbox_queue(port->ioc, &port->endis_mb);
return BFA_STATUS_OK;
}
/**
* bfa_port_disable()
*
* Send the Port disable request to the f/w
*
* @param[in] Pointer to the Port module data structure.
*
* @return Status
*/
bfa_status_t
bfa_port_disable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn,
void *cbarg)
{
struct bfi_port_generic_req_s *m;
/** todo Not implemented */
bfa_assert(0);
if (!bfa_ioc_is_operational(port->ioc)) {
bfa_trc(port, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (port->endis_pending) {
bfa_trc(port, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
m = (struct bfi_port_generic_req_s *)port->endis_mb.msg;
port->msgtag++;
port->endis_cbfn = cbfn;
port->endis_cbarg = cbarg;
port->endis_pending = BFA_TRUE;
bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_DISABLE_REQ,
bfa_ioc_portid(port->ioc));
bfa_ioc_mbox_queue(port->ioc, &port->endis_mb);
return BFA_STATUS_OK;
}
/**
* bfa_port_get_stats()
*
* Send the request to the f/w to fetch Port statistics.
*
* @param[in] Pointer to the Port module data structure.
*
* @return Status
*/
bfa_status_t
bfa_port_get_stats(struct bfa_port_s *port, union bfa_pport_stats_u *stats,
bfa_port_stats_cbfn_t cbfn, void *cbarg)
{
struct bfi_port_get_stats_req_s *m;
if (!bfa_ioc_is_operational(port->ioc)) {
bfa_trc(port, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (port->stats_busy) {
bfa_trc(port, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
m = (struct bfi_port_get_stats_req_s *)port->stats_mb.msg;
port->stats = stats;
port->stats_cbfn = cbfn;
port->stats_cbarg = cbarg;
port->stats_busy = BFA_TRUE;
bfa_dma_be_addr_set(m->dma_addr, port->stats_dma.pa);
bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_GET_STATS_REQ,
bfa_ioc_portid(port->ioc));
bfa_ioc_mbox_queue(port->ioc, &port->stats_mb);
return BFA_STATUS_OK;
}
/**
* bfa_port_clear_stats()
*
*
* @param[in] Pointer to the Port module data structure.
*
* @return Status
*/
bfa_status_t
bfa_port_clear_stats(struct bfa_port_s *port, bfa_port_stats_cbfn_t cbfn,
void *cbarg)
{
struct bfi_port_generic_req_s *m;
if (!bfa_ioc_is_operational(port->ioc)) {
bfa_trc(port, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (port->stats_busy) {
bfa_trc(port, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
m = (struct bfi_port_generic_req_s *)port->stats_mb.msg;
port->stats_cbfn = cbfn;
port->stats_cbarg = cbarg;
port->stats_busy = BFA_TRUE;
bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_CLEAR_STATS_REQ,
bfa_ioc_portid(port->ioc));
bfa_ioc_mbox_queue(port->ioc, &port->stats_mb);
return BFA_STATUS_OK;
}
/**
* bfa_port_hbfail()
*
*
* @param[in] Pointer to the Port module data structure.
*
* @return void
*/
void
bfa_port_hbfail(void *arg)
{
struct bfa_port_s *port = (struct bfa_port_s *)arg;
/*
* Fail any pending get_stats/clear_stats requests
*/
if (port->stats_busy) {
if (port->stats_cbfn)
port->stats_cbfn(port->dev, BFA_STATUS_FAILED);
port->stats_cbfn = NULL;
port->stats_busy = BFA_FALSE;
}
/*
* Clear any enable/disable is pending
*/
if (port->endis_pending) {
if (port->endis_cbfn)
port->endis_cbfn(port->dev, BFA_STATUS_FAILED);
port->endis_cbfn = NULL;
port->endis_pending = BFA_FALSE;
}
}
/**
* bfa_port_attach()
*
*
* @param[in] port - Pointer to the Port module data structure
* ioc - Pointer to the ioc module data structure
* dev - Pointer to the device driver module data structure
* The device driver specific mbox ISR functions have
* this pointer as one of the parameters.
* trcmod -
* logmod -
*
* @return void
*/
void
bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, void *dev,
struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod)
{
bfa_assert(port);
port->dev = dev;
port->ioc = ioc;
port->trcmod = trcmod;
port->logmod = logmod;
port->stats_busy = port->endis_pending = BFA_FALSE;
port->stats_cbfn = port->endis_cbfn = NULL;
bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port);
bfa_ioc_hbfail_init(&port->hbfail, bfa_port_hbfail, port);
bfa_ioc_hbfail_register(port->ioc, &port->hbfail);
bfa_trc(port, 0);
}
/**
* bfa_port_detach()
*
*
* @param[in] port - Pointer to the Port module data structure
*
* @return void
*/
void
bfa_port_detach(struct bfa_port_s *port)
{
bfa_trc(port, 0);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_PORT_PRIV_H__
#define __BFA_PORT_PRIV_H__
#include <defs/bfa_defs_pport.h>
#include <bfi/bfi_pport.h>
#include "bfa_intr_priv.h"
/**
* BFA physical port data structure
*/
struct bfa_pport_s {
struct bfa_s *bfa; /* parent BFA instance */
bfa_sm_t sm; /* port state machine */
wwn_t nwwn; /* node wwn of physical port */
wwn_t pwwn; /* port wwn of physical oprt */
enum bfa_pport_speed speed_sup;
/* supported speeds */
enum bfa_pport_speed speed; /* current speed */
enum bfa_pport_topology topology; /* current topology */
u8 myalpa; /* my ALPA in LOOP topology */
u8 rsvd[3];
struct bfa_pport_cfg_s cfg; /* current port configuration */
struct bfa_qos_attr_s qos_attr; /* QoS Attributes */
struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */
struct bfa_reqq_wait_s reqq_wait;
/* to wait for room in reqq */
struct bfa_reqq_wait_s svcreq_wait;
/* to wait for room in reqq */
struct bfa_reqq_wait_s stats_reqq_wait;
/* to wait for room in reqq (stats) */
void *event_cbarg;
void (*event_cbfn) (void *cbarg,
bfa_pport_event_t event);
union {
union bfi_pport_i2h_msg_u i2hmsg;
} event_arg;
void *bfad; /* BFA driver handle */
struct bfa_cb_qe_s hcb_qe; /* BFA callback queue elem */
enum bfa_pport_linkstate hcb_event;
/* link event for callback */
u32 msgtag; /* fimrware msg tag for reply */
u8 *stats_kva;
u64 stats_pa;
union bfa_pport_stats_u *stats; /* pport stats */
u32 mypid : 24;
u32 rsvd_b : 8;
struct bfa_timer_s timer; /* timer */
union bfa_pport_stats_u *stats_ret;
/* driver stats location */
bfa_status_t stats_status;
/* stats/statsclr status */
bfa_boolean_t stats_busy;
/* outstanding stats/statsclr */
bfa_boolean_t stats_qfull;
bfa_boolean_t diag_busy;
/* diag busy status */
bfa_boolean_t beacon;
/* port beacon status */
bfa_boolean_t link_e2e_beacon;
/* link beacon status */
bfa_cb_pport_t stats_cbfn;
/* driver callback function */
void *stats_cbarg;
/* *!< user callback arg */
};
#define BFA_PORT_MOD(__bfa) (&(__bfa)->modules.pport)
/*
* public functions
*/
void bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
#endif /* __BFA_PORT_PRIV_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_PRIV_H__
#define __BFA_PRIV_H__
#include "bfa_iocfc.h"
#include "bfa_intr_priv.h"
#include "bfa_trcmod_priv.h"
#include "bfa_modules_priv.h"
#include "bfa_fwimg_priv.h"
#include <cs/bfa_log.h>
#include <bfa_timer.h>
/**
* Macro to define a new BFA module
*/
#define BFA_MODULE(__mod) \
static void bfa_ ## __mod ## _meminfo( \
struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, \
u32 *dm_len); \
static void bfa_ ## __mod ## _attach(struct bfa_s *bfa, \
void *bfad, struct bfa_iocfc_cfg_s *cfg, \
struct bfa_meminfo_s *meminfo, \
struct bfa_pcidev_s *pcidev); \
static void bfa_ ## __mod ## _initdone(struct bfa_s *bfa); \
static void bfa_ ## __mod ## _detach(struct bfa_s *bfa); \
static void bfa_ ## __mod ## _start(struct bfa_s *bfa); \
static void bfa_ ## __mod ## _stop(struct bfa_s *bfa); \
static void bfa_ ## __mod ## _iocdisable(struct bfa_s *bfa); \
\
extern struct bfa_module_s hal_mod_ ## __mod; \
struct bfa_module_s hal_mod_ ## __mod = { \
bfa_ ## __mod ## _meminfo, \
bfa_ ## __mod ## _attach, \
bfa_ ## __mod ## _initdone, \
bfa_ ## __mod ## _detach, \
bfa_ ## __mod ## _start, \
bfa_ ## __mod ## _stop, \
bfa_ ## __mod ## _iocdisable, \
}
#define BFA_CACHELINE_SZ (256)
/**
* Structure used to interact between different BFA sub modules
*
* Each sub module needs to implement only the entry points relevant to it (and
* can leave entry points as NULL)
*/
struct bfa_module_s {
void (*meminfo) (struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len);
void (*attach) (struct bfa_s *bfa, void *bfad,
struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo,
struct bfa_pcidev_s *pcidev);
void (*initdone) (struct bfa_s *bfa);
void (*detach) (struct bfa_s *bfa);
void (*start) (struct bfa_s *bfa);
void (*stop) (struct bfa_s *bfa);
void (*iocdisable) (struct bfa_s *bfa);
};
extern struct bfa_module_s *hal_mods[];
struct bfa_s {
void *bfad; /* BFA driver instance */
struct bfa_aen_s *aen; /* AEN module */
struct bfa_plog_s *plog; /* portlog buffer */
struct bfa_log_mod_s *logm; /* driver logging modulen */
struct bfa_trc_mod_s *trcmod; /* driver tracing */
struct bfa_ioc_s ioc; /* IOC module */
struct bfa_iocfc_s iocfc; /* IOCFC module */
struct bfa_timer_mod_s timer_mod; /* timer module */
struct bfa_modules_s modules; /* BFA modules */
struct list_head comp_q; /* pending completions */
bfa_boolean_t rme_process; /* RME processing enabled */
struct list_head reqq_waitq[BFI_IOC_MAX_CQS];
bfa_boolean_t fcs; /* FCS is attached to BFA */
struct bfa_msix_s msix;
};
extern bfa_isr_func_t bfa_isrs[BFI_MC_MAX];
extern bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[];
extern bfa_boolean_t bfa_auto_recover;
extern struct bfa_module_s hal_mod_flash;
extern struct bfa_module_s hal_mod_fcdiag;
extern struct bfa_module_s hal_mod_sgpg;
extern struct bfa_module_s hal_mod_pport;
extern struct bfa_module_s hal_mod_fcxp;
extern struct bfa_module_s hal_mod_lps;
extern struct bfa_module_s hal_mod_uf;
extern struct bfa_module_s hal_mod_rport;
extern struct bfa_module_s hal_mod_fcpim;
extern struct bfa_module_s hal_mod_pbind;
#endif /* __BFA_PRIV_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfa_svc.h>
#include <cs/bfa_debug.h>
#include <bfi/bfi_rport.h>
#include "bfa_intr_priv.h"
BFA_TRC_FILE(HAL, RPORT);
BFA_MODULE(rport);
#define bfa_rport_offline_cb(__rp) do { \
if ((__rp)->bfa->fcs) \
bfa_cb_rport_offline((__rp)->rport_drv); \
else { \
bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
__bfa_cb_rport_offline, (__rp)); \
} \
} while (0)
#define bfa_rport_online_cb(__rp) do { \
if ((__rp)->bfa->fcs) \
bfa_cb_rport_online((__rp)->rport_drv); \
else { \
bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
__bfa_cb_rport_online, (__rp)); \
} \
} while (0)
/*
* forward declarations
*/
static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
static void bfa_rport_free(struct bfa_rport_s *rport);
static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
static void __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete);
static void __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete);
/**
* bfa_rport_sm BFA rport state machine
*/
enum bfa_rport_event {
BFA_RPORT_SM_CREATE = 1, /* rport create event */
BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */
BFA_RPORT_SM_ONLINE = 3, /* rport is online */
BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */
BFA_RPORT_SM_FWRSP = 5, /* firmware response */
BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */
BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */
BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */
BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */
};
static void bfa_rport_sm_uninit(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_created(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_online(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_offline(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_deleting(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
enum bfa_rport_event event);
/**
* Beginning state, only online event expected.
*/
static void
bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_CREATE:
bfa_stats(rp, sm_un_cr);
bfa_sm_set_state(rp, bfa_rport_sm_created);
break;
default:
bfa_stats(rp, sm_un_unexp);
bfa_assert(0);
}
}
static void
bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_ONLINE:
bfa_stats(rp, sm_cr_on);
if (bfa_rport_send_fwcreate(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_cr_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_cr_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_cr_unexp);
bfa_assert(0);
}
}
/**
* Waiting for rport create response from firmware.
*/
static void
bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_fwc_rsp);
bfa_sm_set_state(rp, bfa_rport_sm_online);
bfa_rport_online_cb(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwc_del);
bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
break;
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_fwc_off);
bfa_sm_set_state(rp, bfa_rport_sm_offline_pending);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwc_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_fwc_unexp);
bfa_assert(0);
}
}
/**
* Request queue is full, awaiting queue resume to send create request.
*/
static void
bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_QRESUME:
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
bfa_rport_send_fwcreate(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwc_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_fwc_off);
bfa_sm_set_state(rp, bfa_rport_sm_offline);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_offline_cb(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwc_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
bfa_reqq_wcancel(&rp->reqq_wait);
break;
default:
bfa_stats(rp, sm_fwc_unexp);
bfa_assert(0);
}
}
/**
* Online state - normal parking state.
*/
static void
bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
struct bfi_rport_qos_scn_s *qos_scn;
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_on_off);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_on_del);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
else
bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_on_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
case BFA_RPORT_SM_SET_SPEED:
bfa_rport_send_fwspeed(rp);
break;
case BFA_RPORT_SM_QOS_SCN:
qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg;
rp->qos_attr = qos_scn->new_qos_attr;
bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id);
bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id);
bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority);
bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority);
qos_scn->old_qos_attr.qos_flow_id =
bfa_os_ntohl(qos_scn->old_qos_attr.qos_flow_id);
qos_scn->new_qos_attr.qos_flow_id =
bfa_os_ntohl(qos_scn->new_qos_attr.qos_flow_id);
qos_scn->old_qos_attr.qos_priority =
bfa_os_ntohl(qos_scn->old_qos_attr.qos_priority);
qos_scn->new_qos_attr.qos_priority =
bfa_os_ntohl(qos_scn->new_qos_attr.qos_priority);
if (qos_scn->old_qos_attr.qos_flow_id !=
qos_scn->new_qos_attr.qos_flow_id)
bfa_cb_rport_qos_scn_flowid(rp->rport_drv,
qos_scn->old_qos_attr,
qos_scn->new_qos_attr);
if (qos_scn->old_qos_attr.qos_priority !=
qos_scn->new_qos_attr.qos_priority)
bfa_cb_rport_qos_scn_prio(rp->rport_drv,
qos_scn->old_qos_attr,
qos_scn->new_qos_attr);
break;
default:
bfa_stats(rp, sm_on_unexp);
bfa_assert(0);
}
}
/**
* Firmware rport is being deleted - awaiting f/w response.
*/
static void
bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_fwd_rsp);
bfa_sm_set_state(rp, bfa_rport_sm_offline);
bfa_rport_offline_cb(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwd_del);
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwd_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
bfa_rport_offline_cb(rp);
break;
default:
bfa_stats(rp, sm_fwd_unexp);
bfa_assert(0);
}
}
static void
bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_QRESUME:
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
bfa_rport_send_fwdelete(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwd_del);
bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwd_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_offline_cb(rp);
break;
default:
bfa_stats(rp, sm_fwd_unexp);
bfa_assert(0);
}
}
/**
* Offline state.
*/
static void
bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_off_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_ONLINE:
bfa_stats(rp, sm_off_on);
if (bfa_rport_send_fwcreate(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_off_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_off_unexp);
bfa_assert(0);
}
}
/**
* Rport is deleted, waiting for firmware response to delete.
*/
static void
bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_del_fwrsp);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_del_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
default:
bfa_assert(0);
}
}
static void
bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_QRESUME:
bfa_stats(rp, sm_del_fwrsp);
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
bfa_rport_send_fwdelete(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_del_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_free(rp);
break;
default:
bfa_assert(0);
}
}
/**
* Waiting for rport create response from firmware. A delete is pending.
*/
static void
bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_delp_fwrsp);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
else
bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_delp_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
default:
bfa_stats(rp, sm_delp_unexp);
bfa_assert(0);
}
}
/**
* Waiting for rport create response from firmware. Rport offline is pending.
*/
static void
bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_offp_fwrsp);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_offp_del);
bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_offp_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_offp_unexp);
bfa_assert(0);
}
}
/**
* IOC h/w failed.
*/
static void
bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_iocd_off);
bfa_rport_offline_cb(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_iocd_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_ONLINE:
bfa_stats(rp, sm_iocd_on);
if (bfa_rport_send_fwcreate(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
break;
default:
bfa_stats(rp, sm_iocd_unexp);
bfa_assert(0);
}
}
/**
* bfa_rport_private BFA rport private functions
*/
static void
__bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete)
{
struct bfa_rport_s *rp = cbarg;
if (complete)
bfa_cb_rport_online(rp->rport_drv);
}
static void
__bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete)
{
struct bfa_rport_s *rp = cbarg;
if (complete)
bfa_cb_rport_offline(rp->rport_drv);
}
static void
bfa_rport_qresume(void *cbarg)
{
struct bfa_rport_s *rp = cbarg;
bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
}
static void
bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len)
{
if (cfg->fwcfg.num_rports < BFA_RPORT_MIN)
cfg->fwcfg.num_rports = BFA_RPORT_MIN;
*km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s);
}
static void
bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
struct bfa_rport_s *rp;
u16 i;
INIT_LIST_HEAD(&mod->rp_free_q);
INIT_LIST_HEAD(&mod->rp_active_q);
rp = (struct bfa_rport_s *) bfa_meminfo_kva(meminfo);
mod->rps_list = rp;
mod->num_rports = cfg->fwcfg.num_rports;
bfa_assert(mod->num_rports
&& !(mod->num_rports & (mod->num_rports - 1)));
for (i = 0; i < mod->num_rports; i++, rp++) {
bfa_os_memset(rp, 0, sizeof(struct bfa_rport_s));
rp->bfa = bfa;
rp->rport_tag = i;
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
/**
* - is unused
*/
if (i)
list_add_tail(&rp->qe, &mod->rp_free_q);
bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp);
}
/**
* consume memory
*/
bfa_meminfo_kva(meminfo) = (u8 *) rp;
}
static void
bfa_rport_initdone(struct bfa_s *bfa)
{
}
static void
bfa_rport_detach(struct bfa_s *bfa)
{
}
static void
bfa_rport_start(struct bfa_s *bfa)
{
}
static void
bfa_rport_stop(struct bfa_s *bfa)
{
}
static void
bfa_rport_iocdisable(struct bfa_s *bfa)
{
struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
struct bfa_rport_s *rport;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &mod->rp_active_q) {
rport = (struct bfa_rport_s *) qe;
bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL);
}
}
static struct bfa_rport_s *
bfa_rport_alloc(struct bfa_rport_mod_s *mod)
{
struct bfa_rport_s *rport;
bfa_q_deq(&mod->rp_free_q, &rport);
if (rport)
list_add_tail(&rport->qe, &mod->rp_active_q);
return (rport);
}
static void
bfa_rport_free(struct bfa_rport_s *rport)
{
struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa);
bfa_assert(bfa_q_is_on_q(&mod->rp_active_q, rport));
list_del(&rport->qe);
list_add_tail(&rport->qe, &mod->rp_free_q);
}
static bfa_boolean_t
bfa_rport_send_fwcreate(struct bfa_rport_s *rp)
{
struct bfi_rport_create_req_s *m;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
if (!m) {
bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ,
bfa_lpuid(rp->bfa));
m->bfa_handle = rp->rport_tag;
m->max_frmsz = bfa_os_htons(rp->rport_info.max_frmsz);
m->pid = rp->rport_info.pid;
m->lp_tag = rp->rport_info.lp_tag;
m->local_pid = rp->rport_info.local_pid;
m->fc_class = rp->rport_info.fc_class;
m->vf_en = rp->rport_info.vf_en;
m->vf_id = rp->rport_info.vf_id;
m->cisc = rp->rport_info.cisc;
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
return BFA_TRUE;
}
static bfa_boolean_t
bfa_rport_send_fwdelete(struct bfa_rport_s *rp)
{
struct bfi_rport_delete_req_s *m;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
if (!m) {
bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ,
bfa_lpuid(rp->bfa));
m->fw_handle = rp->fw_handle;
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
return BFA_TRUE;
}
static bfa_boolean_t
bfa_rport_send_fwspeed(struct bfa_rport_s *rp)
{
struct bfa_rport_speed_req_s *m;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
if (!m) {
bfa_trc(rp->bfa, rp->rport_info.speed);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ,
bfa_lpuid(rp->bfa));
m->fw_handle = rp->fw_handle;
m->speed = (u8)rp->rport_info.speed;
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
return BFA_TRUE;
}
/**
* bfa_rport_public
*/
/**
* Rport interrupt processing.
*/
void
bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
{
union bfi_rport_i2h_msg_u msg;
struct bfa_rport_s *rp;
bfa_trc(bfa, m->mhdr.msg_id);
msg.msg = m;
switch (m->mhdr.msg_id) {
case BFI_RPORT_I2H_CREATE_RSP:
rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle);
rp->fw_handle = msg.create_rsp->fw_handle;
rp->qos_attr = msg.create_rsp->qos_attr;
bfa_assert(msg.create_rsp->status == BFA_STATUS_OK);
bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
break;
case BFI_RPORT_I2H_DELETE_RSP:
rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle);
bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK);
bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
break;
case BFI_RPORT_I2H_QOS_SCN:
rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle);
rp->event_arg.fw_msg = msg.qos_scn_evt;
bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
break;
default:
bfa_trc(bfa, m->mhdr.msg_id);
bfa_assert(0);
}
}
/**
* bfa_rport_api
*/
struct bfa_rport_s *
bfa_rport_create(struct bfa_s *bfa, void *rport_drv)
{
struct bfa_rport_s *rp;
rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa));
if (rp == NULL)
return (NULL);
rp->bfa = bfa;
rp->rport_drv = rport_drv;
bfa_rport_clear_stats(rp);
bfa_assert(bfa_sm_cmp_state(rp, bfa_rport_sm_uninit));
bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE);
return (rp);
}
void
bfa_rport_delete(struct bfa_rport_s *rport)
{
bfa_sm_send_event(rport, BFA_RPORT_SM_DELETE);
}
void
bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info)
{
bfa_assert(rport_info->max_frmsz != 0);
/**
* Some JBODs are seen to be not setting PDU size correctly in PLOGI
* responses. Default to minimum size.
*/
if (rport_info->max_frmsz == 0) {
bfa_trc(rport->bfa, rport->rport_tag);
rport_info->max_frmsz = FC_MIN_PDUSZ;
}
bfa_os_assign(rport->rport_info, *rport_info);
bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE);
}
void
bfa_rport_offline(struct bfa_rport_s *rport)
{
bfa_sm_send_event(rport, BFA_RPORT_SM_OFFLINE);
}
void
bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_pport_speed speed)
{
bfa_assert(speed != 0);
bfa_assert(speed != BFA_PPORT_SPEED_AUTO);
rport->rport_info.speed = speed;
bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED);
}
void
bfa_rport_get_stats(struct bfa_rport_s *rport,
struct bfa_rport_hal_stats_s *stats)
{
*stats = rport->stats;
}
void
bfa_rport_get_qos_attr(struct bfa_rport_s *rport,
struct bfa_rport_qos_attr_s *qos_attr)
{
qos_attr->qos_priority = bfa_os_ntohl(rport->qos_attr.qos_priority);
qos_attr->qos_flow_id = bfa_os_ntohl(rport->qos_attr.qos_flow_id);
}
void
bfa_rport_clear_stats(struct bfa_rport_s *rport)
{
bfa_os_memset(&rport->stats, 0, sizeof(rport->stats));
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_RPORT_PRIV_H__
#define __BFA_RPORT_PRIV_H__
#include <bfa_svc.h>
#define BFA_RPORT_MIN 4
struct bfa_rport_mod_s {
struct bfa_rport_s *rps_list; /* list of rports */
struct list_head rp_free_q; /* free bfa_rports */
struct list_head rp_active_q; /* free bfa_rports */
u16 num_rports; /* number of rports */
};
#define BFA_RPORT_MOD(__bfa) (&(__bfa)->modules.rport_mod)
/**
* Convert rport tag to RPORT
*/
#define BFA_RPORT_FROM_TAG(__bfa, _tag) \
(BFA_RPORT_MOD(__bfa)->rps_list + \
((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
/*
* external functions
*/
void bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
#endif /* __BFA_RPORT_PRIV_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
BFA_TRC_FILE(HAL, SGPG);
BFA_MODULE(sgpg);
/**
* bfa_sgpg_mod BFA SGPG Mode module
*/
/**
* Compute and return memory needed by FCP(im) module.
*/
static void
bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len)
{
if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN)
cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
*km_len += (cfg->drvcfg.num_sgpgs + 1) * sizeof(struct bfa_sgpg_s);
*dm_len += (cfg->drvcfg.num_sgpgs + 1) * sizeof(struct bfi_sgpg_s);
}
static void
bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *minfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
int i;
struct bfa_sgpg_s *hsgpg;
struct bfi_sgpg_s *sgpg;
u64 align_len;
union {
u64 pa;
union bfi_addr_u addr;
} sgpg_pa;
INIT_LIST_HEAD(&mod->sgpg_q);
INIT_LIST_HEAD(&mod->sgpg_wait_q);
bfa_trc(bfa, cfg->drvcfg.num_sgpgs);
mod->num_sgpgs = cfg->drvcfg.num_sgpgs;
mod->sgpg_arr_pa = bfa_meminfo_dma_phys(minfo);
align_len = (BFA_SGPG_ROUNDUP(mod->sgpg_arr_pa) - mod->sgpg_arr_pa);
mod->sgpg_arr_pa += align_len;
mod->hsgpg_arr = (struct bfa_sgpg_s *) (bfa_meminfo_kva(minfo) +
align_len);
mod->sgpg_arr = (struct bfi_sgpg_s *) (bfa_meminfo_dma_virt(minfo) +
align_len);
hsgpg = mod->hsgpg_arr;
sgpg = mod->sgpg_arr;
sgpg_pa.pa = mod->sgpg_arr_pa;
mod->free_sgpgs = mod->num_sgpgs;
bfa_assert(!(sgpg_pa.pa & (sizeof(struct bfi_sgpg_s) - 1)));
for (i = 0; i < mod->num_sgpgs; i++) {
bfa_os_memset(hsgpg, 0, sizeof(*hsgpg));
bfa_os_memset(sgpg, 0, sizeof(*sgpg));
hsgpg->sgpg = sgpg;
hsgpg->sgpg_pa = sgpg_pa.addr;
list_add_tail(&hsgpg->qe, &mod->sgpg_q);
hsgpg++;
sgpg++;
sgpg_pa.pa += sizeof(struct bfi_sgpg_s);
}
bfa_meminfo_kva(minfo) = (u8 *) hsgpg;
bfa_meminfo_dma_virt(minfo) = (u8 *) sgpg;
bfa_meminfo_dma_phys(minfo) = sgpg_pa.pa;
}
static void
bfa_sgpg_initdone(struct bfa_s *bfa)
{
}
static void
bfa_sgpg_detach(struct bfa_s *bfa)
{
}
static void
bfa_sgpg_start(struct bfa_s *bfa)
{
}
static void
bfa_sgpg_stop(struct bfa_s *bfa)
{
}
static void
bfa_sgpg_iocdisable(struct bfa_s *bfa)
{
}
/**
* bfa_sgpg_public BFA SGPG public functions
*/
bfa_status_t
bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
struct bfa_sgpg_s *hsgpg;
int i;
bfa_trc_fp(bfa, nsgpgs);
if (mod->free_sgpgs < nsgpgs)
return BFA_STATUS_ENOMEM;
for (i = 0; i < nsgpgs; i++) {
bfa_q_deq(&mod->sgpg_q, &hsgpg);
bfa_assert(hsgpg);
list_add_tail(&hsgpg->qe, sgpg_q);
}
mod->free_sgpgs -= nsgpgs;
return BFA_STATUS_OK;
}
void
bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
struct bfa_sgpg_wqe_s *wqe;
bfa_trc_fp(bfa, nsgpg);
mod->free_sgpgs += nsgpg;
bfa_assert(mod->free_sgpgs <= mod->num_sgpgs);
list_splice_tail_init(sgpg_q, &mod->sgpg_q);
if (list_empty(&mod->sgpg_wait_q))
return;
/**
* satisfy as many waiting requests as possible
*/
do {
wqe = bfa_q_first(&mod->sgpg_wait_q);
if (mod->free_sgpgs < wqe->nsgpg)
nsgpg = mod->free_sgpgs;
else
nsgpg = wqe->nsgpg;
bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg);
wqe->nsgpg -= nsgpg;
if (wqe->nsgpg == 0) {
list_del(&wqe->qe);
wqe->cbfn(wqe->cbarg);
}
} while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q));
}
void
bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
bfa_assert(nsgpg > 0);
bfa_assert(nsgpg > mod->free_sgpgs);
wqe->nsgpg_total = wqe->nsgpg = nsgpg;
/**
* allocate any left to this one first
*/
if (mod->free_sgpgs) {
/**
* no one else is waiting for SGPG
*/
bfa_assert(list_empty(&mod->sgpg_wait_q));
list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q);
wqe->nsgpg -= mod->free_sgpgs;
mod->free_sgpgs = 0;
}
list_add_tail(&wqe->qe, &mod->sgpg_wait_q);
}
void
bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
bfa_assert(bfa_q_is_on_q(&mod->sgpg_wait_q, wqe));
list_del(&wqe->qe);
if (wqe->nsgpg_total != wqe->nsgpg)
bfa_sgpg_mfree(bfa, &wqe->sgpg_q,
wqe->nsgpg_total - wqe->nsgpg);
}
void
bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg),
void *cbarg)
{
INIT_LIST_HEAD(&wqe->sgpg_q);
wqe->cbfn = cbfn;
wqe->cbarg = cbarg;
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* hal_sgpg.h BFA SG page module
*/
#ifndef __BFA_SGPG_PRIV_H__
#define __BFA_SGPG_PRIV_H__
#include <cs/bfa_q.h>
#define BFA_SGPG_MIN (16)
/**
* Alignment macro for SG page allocation
*/
#define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \
& ~(sizeof(struct bfi_sgpg_s) - 1))
struct bfa_sgpg_wqe_s {
struct list_head qe; /* queue sg page element */
int nsgpg; /* pages to be allocated */
int nsgpg_total; /* total pages required */
void (*cbfn) (void *cbarg);
/* callback function */
void *cbarg; /* callback arg */
struct list_head sgpg_q; /* queue of alloced sgpgs */
};
struct bfa_sgpg_s {
struct list_head qe; /* queue sg page element */
struct bfi_sgpg_s *sgpg; /* va of SG page */
union bfi_addr_u sgpg_pa;/* pa of SG page */
};
/**
* Given number of SG elements, BFA_SGPG_NPAGE() returns the number of
* SG pages required.
*/
#define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1)
struct bfa_sgpg_mod_s {
struct bfa_s *bfa;
int num_sgpgs; /* number of SG pages */
int free_sgpgs; /* number of free SG pages */
struct bfa_sgpg_s *hsgpg_arr; /* BFA SG page array */
struct bfi_sgpg_s *sgpg_arr; /* actual SG page array */
u64 sgpg_arr_pa; /* SG page array DMA addr */
struct list_head sgpg_q; /* queue of free SG pages */
struct list_head sgpg_wait_q; /* wait queue for SG pages */
};
#define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod)
bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q,
int nsgpgs);
void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q,
int nsgpgs);
void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe,
void (*cbfn) (void *cbarg), void *cbarg);
void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe,
int nsgpgs);
void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe);
#endif /* __BFA_SGPG_PRIV_H__ */

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drivers/scsi/bfa/bfa_sm.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfasm.c BFA State machine utility functions
*/
#include <cs/bfa_sm.h>
/**
* cs_sm_api
*/
int
bfa_sm_to_state(struct bfa_sm_table_s *smt, bfa_sm_t sm)
{
int i = 0;
while (smt[i].sm && smt[i].sm != sm)
i++;
return smt[i].state;
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa_timer.h>
#include <cs/bfa_debug.h>
void
bfa_timer_init(struct bfa_timer_mod_s *mod)
{
INIT_LIST_HEAD(&mod->timer_q);
}
void
bfa_timer_beat(struct bfa_timer_mod_s *mod)
{
struct list_head *qh = &mod->timer_q;
struct list_head *qe, *qe_next;
struct bfa_timer_s *elem;
struct list_head timedout_q;
INIT_LIST_HEAD(&timedout_q);
qe = bfa_q_next(qh);
while (qe != qh) {
qe_next = bfa_q_next(qe);
elem = (struct bfa_timer_s *) qe;
if (elem->timeout <= BFA_TIMER_FREQ) {
elem->timeout = 0;
list_del(&elem->qe);
list_add_tail(&elem->qe, &timedout_q);
} else {
elem->timeout -= BFA_TIMER_FREQ;
}
qe = qe_next; /* go to next elem */
}
/*
* Pop all the timeout entries
*/
while (!list_empty(&timedout_q)) {
bfa_q_deq(&timedout_q, &elem);
elem->timercb(elem->arg);
}
}
/**
* Should be called with lock protection
*/
void
bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer,
void (*timercb) (void *), void *arg, unsigned int timeout)
{
bfa_assert(timercb != NULL);
bfa_assert(!bfa_q_is_on_q(&mod->timer_q, timer));
timer->timeout = timeout;
timer->timercb = timercb;
timer->arg = arg;
list_add_tail(&timer->qe, &mod->timer_q);
}
/**
* Should be called with lock protection
*/
void
bfa_timer_stop(struct bfa_timer_s *timer)
{
bfa_assert(!list_empty(&timer->qe));
list_del(&timer->qe);
}

66
drivers/scsi/bfa/bfa_trcmod_priv.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* hal_trcmod.h BFA trace modules
*/
#ifndef __BFA_TRCMOD_PRIV_H__
#define __BFA_TRCMOD_PRIV_H__
#include <cs/bfa_trc.h>
/*
* !!! Only append to the enums defined here to avoid any versioning
* !!! needed between trace utility and driver version
*/
enum {
BFA_TRC_HAL_IOC = 1,
BFA_TRC_HAL_INTR = 2,
BFA_TRC_HAL_FCXP = 3,
BFA_TRC_HAL_UF = 4,
BFA_TRC_HAL_DIAG = 5,
BFA_TRC_HAL_RPORT = 6,
BFA_TRC_HAL_FCPIM = 7,
BFA_TRC_HAL_IOIM = 8,
BFA_TRC_HAL_TSKIM = 9,
BFA_TRC_HAL_ITNIM = 10,
BFA_TRC_HAL_PPORT = 11,
BFA_TRC_HAL_SGPG = 12,
BFA_TRC_HAL_FLASH = 13,
BFA_TRC_HAL_DEBUG = 14,
BFA_TRC_HAL_WWN = 15,
BFA_TRC_HAL_FLASH_RAW = 16,
BFA_TRC_HAL_SBOOT = 17,
BFA_TRC_HAL_SBOOT_IO = 18,
BFA_TRC_HAL_SBOOT_INTR = 19,
BFA_TRC_HAL_SBTEST = 20,
BFA_TRC_HAL_IPFC = 21,
BFA_TRC_HAL_IOCFC = 22,
BFA_TRC_HAL_FCPTM = 23,
BFA_TRC_HAL_IOTM = 24,
BFA_TRC_HAL_TSKTM = 25,
BFA_TRC_HAL_TIN = 26,
BFA_TRC_HAL_LPS = 27,
BFA_TRC_HAL_FCDIAG = 28,
BFA_TRC_HAL_PBIND = 29,
BFA_TRC_HAL_IOCFC_CT = 30,
BFA_TRC_HAL_IOCFC_CB = 31,
BFA_TRC_HAL_IOCFC_Q = 32,
};
#endif /* __BFA_TRCMOD_PRIV_H__ */

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drivers/scsi/bfa/bfa_tskim.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfa_cb_ioim_macros.h>
BFA_TRC_FILE(HAL, TSKIM);
/**
* task management completion handling
*/
#define bfa_tskim_qcomp(__tskim, __cbfn) do { \
bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim)); \
bfa_tskim_notify_comp(__tskim); \
} while (0)
#define bfa_tskim_notify_comp(__tskim) do { \
if ((__tskim)->notify) \
bfa_itnim_tskdone((__tskim)->itnim); \
} while (0)
/*
* forward declarations
*/
static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete);
static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete);
static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim,
lun_t lun);
static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim);
static void bfa_tskim_cleanp_comp(void *tskim_cbarg);
static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim);
static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim);
static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim);
static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim);
/**
* bfa_tskim_sm
*/
enum bfa_tskim_event {
BFA_TSKIM_SM_START = 1, /* TM command start */
BFA_TSKIM_SM_DONE = 2, /* TM completion */
BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */
BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */
BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */
BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */
BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */
BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */
};
static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event);
static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event);
static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event);
static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event);
static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event);
static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event);
static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event);
/**
* Task management command beginning state.
*/
static void
bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
switch (event) {
case BFA_TSKIM_SM_START:
bfa_sm_set_state(tskim, bfa_tskim_sm_active);
bfa_tskim_gather_ios(tskim);
/**
* If device is offline, do not send TM on wire. Just cleanup
* any pending IO requests and complete TM request.
*/
if (!bfa_itnim_is_online(tskim->itnim)) {
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
tskim->tsk_status = BFI_TSKIM_STS_OK;
bfa_tskim_cleanup_ios(tskim);
return;
}
if (!bfa_tskim_send(tskim)) {
bfa_sm_set_state(tskim, bfa_tskim_sm_qfull);
bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq,
&tskim->reqq_wait);
}
break;
default:
bfa_assert(0);
}
}
/**
* brief
* TM command is active, awaiting completion from firmware to
* cleanup IO requests in TM scope.
*/
static void
bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
switch (event) {
case BFA_TSKIM_SM_DONE:
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
bfa_tskim_cleanup_ios(tskim);
break;
case BFA_TSKIM_SM_CLEANUP:
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup);
if (!bfa_tskim_send_abort(tskim)) {
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull);
bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq,
&tskim->reqq_wait);
}
break;
case BFA_TSKIM_SM_HWFAIL:
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
bfa_tskim_iocdisable_ios(tskim);
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
break;
default:
bfa_assert(0);
}
}
/**
* An active TM is being cleaned up since ITN is offline. Awaiting cleanup
* completion event from firmware.
*/
static void
bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
switch (event) {
case BFA_TSKIM_SM_DONE:
/**
* Ignore and wait for ABORT completion from firmware.
*/
break;
case BFA_TSKIM_SM_CLEANUP_DONE:
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
bfa_tskim_cleanup_ios(tskim);
break;
case BFA_TSKIM_SM_HWFAIL:
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
bfa_tskim_iocdisable_ios(tskim);
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
break;
default:
bfa_assert(0);
}
}
static void
bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
switch (event) {
case BFA_TSKIM_SM_IOS_DONE:
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done);
break;
case BFA_TSKIM_SM_CLEANUP:
/**
* Ignore, TM command completed on wire.
* Notify TM conmpletion on IO cleanup completion.
*/
break;
case BFA_TSKIM_SM_HWFAIL:
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
bfa_tskim_iocdisable_ios(tskim);
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
break;
default:
bfa_assert(0);
}
}
/**
* Task management command is waiting for room in request CQ
*/
static void
bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
switch (event) {
case BFA_TSKIM_SM_QRESUME:
bfa_sm_set_state(tskim, bfa_tskim_sm_active);
bfa_tskim_send(tskim);
break;
case BFA_TSKIM_SM_CLEANUP:
/**
* No need to send TM on wire since ITN is offline.
*/
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
bfa_reqq_wcancel(&tskim->reqq_wait);
bfa_tskim_cleanup_ios(tskim);
break;
case BFA_TSKIM_SM_HWFAIL:
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
bfa_reqq_wcancel(&tskim->reqq_wait);
bfa_tskim_iocdisable_ios(tskim);
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
break;
default:
bfa_assert(0);
}
}
/**
* Task management command is active, awaiting for room in request CQ
* to send clean up request.
*/
static void
bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
switch (event) {
case BFA_TSKIM_SM_DONE:
bfa_reqq_wcancel(&tskim->reqq_wait);
/**
*
* Fall through !!!
*/
case BFA_TSKIM_SM_QRESUME:
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup);
bfa_tskim_send_abort(tskim);
break;
case BFA_TSKIM_SM_HWFAIL:
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
bfa_reqq_wcancel(&tskim->reqq_wait);
bfa_tskim_iocdisable_ios(tskim);
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
break;
default:
bfa_assert(0);
}
}
/**
* BFA callback is pending
*/
static void
bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
{
bfa_trc(tskim->bfa, event);
switch (event) {
case BFA_TSKIM_SM_HCB:
bfa_sm_set_state(tskim, bfa_tskim_sm_uninit);
bfa_tskim_free(tskim);
break;
case BFA_TSKIM_SM_CLEANUP:
bfa_tskim_notify_comp(tskim);
break;
case BFA_TSKIM_SM_HWFAIL:
break;
default:
bfa_assert(0);
}
}
/**
* bfa_tskim_private
*/
static void
__bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete)
{
struct bfa_tskim_s *tskim = cbarg;
if (!complete) {
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB);
return;
}
bfa_stats(tskim->itnim, tm_success);
bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status);
}
static void
__bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete)
{
struct bfa_tskim_s *tskim = cbarg;
if (!complete) {
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB);
return;
}
bfa_stats(tskim->itnim, tm_failures);
bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk,
BFI_TSKIM_STS_FAILED);
}
static bfa_boolean_t
bfa_tskim_match_scope(struct bfa_tskim_s *tskim, lun_t lun)
{
switch (tskim->tm_cmnd) {
case FCP_TM_TARGET_RESET:
return BFA_TRUE;
case FCP_TM_ABORT_TASK_SET:
case FCP_TM_CLEAR_TASK_SET:
case FCP_TM_LUN_RESET:
case FCP_TM_CLEAR_ACA:
return (tskim->lun == lun);
default:
bfa_assert(0);
}
return BFA_FALSE;
}
/**
* Gather affected IO requests and task management commands.
*/
static void
bfa_tskim_gather_ios(struct bfa_tskim_s *tskim)
{
struct bfa_itnim_s *itnim = tskim->itnim;
struct bfa_ioim_s *ioim;
struct list_head *qe, *qen;
INIT_LIST_HEAD(&tskim->io_q);
/**
* Gather any active IO requests first.
*/
list_for_each_safe(qe, qen, &itnim->io_q) {
ioim = (struct bfa_ioim_s *) qe;
if (bfa_tskim_match_scope
(tskim, bfa_cb_ioim_get_lun(ioim->dio))) {
list_del(&ioim->qe);
list_add_tail(&ioim->qe, &tskim->io_q);
}
}
/**
* Failback any pending IO requests immediately.
*/
list_for_each_safe(qe, qen, &itnim->pending_q) {
ioim = (struct bfa_ioim_s *) qe;
if (bfa_tskim_match_scope
(tskim, bfa_cb_ioim_get_lun(ioim->dio))) {
list_del(&ioim->qe);
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
bfa_ioim_tov(ioim);
}
}
}
/**
* IO cleanup completion
*/
static void
bfa_tskim_cleanp_comp(void *tskim_cbarg)
{
struct bfa_tskim_s *tskim = tskim_cbarg;
bfa_stats(tskim->itnim, tm_io_comps);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE);
}
/**
* Gather affected IO requests and task management commands.
*/
static void
bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim)
{
struct bfa_ioim_s *ioim;
struct list_head *qe, *qen;
bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim);
list_for_each_safe(qe, qen, &tskim->io_q) {
ioim = (struct bfa_ioim_s *) qe;
bfa_wc_up(&tskim->wc);
bfa_ioim_cleanup_tm(ioim, tskim);
}
bfa_wc_wait(&tskim->wc);
}
/**
* Send task management request to firmware.
*/
static bfa_boolean_t
bfa_tskim_send(struct bfa_tskim_s *tskim)
{
struct bfa_itnim_s *itnim = tskim->itnim;
struct bfi_tskim_req_s *m;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(tskim->bfa, itnim->reqq);
if (!m)
return BFA_FALSE;
/**
* build i/o request message next
*/
bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ,
bfa_lpuid(tskim->bfa));
m->tsk_tag = bfa_os_htons(tskim->tsk_tag);
m->itn_fhdl = tskim->itnim->rport->fw_handle;
m->t_secs = tskim->tsecs;
m->lun = tskim->lun;
m->tm_flags = tskim->tm_cmnd;
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(tskim->bfa, itnim->reqq);
return BFA_TRUE;
}
/**
* Send abort request to cleanup an active TM to firmware.
*/
static bfa_boolean_t
bfa_tskim_send_abort(struct bfa_tskim_s *tskim)
{
struct bfa_itnim_s *itnim = tskim->itnim;
struct bfi_tskim_abortreq_s *m;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(tskim->bfa, itnim->reqq);
if (!m)
return BFA_FALSE;
/**
* build i/o request message next
*/
bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ,
bfa_lpuid(tskim->bfa));
m->tsk_tag = bfa_os_htons(tskim->tsk_tag);
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(tskim->bfa, itnim->reqq);
return BFA_TRUE;
}
/**
* Call to resume task management cmnd waiting for room in request queue.
*/
static void
bfa_tskim_qresume(void *cbarg)
{
struct bfa_tskim_s *tskim = cbarg;
bfa_fcpim_stats(tskim->fcpim, qresumes);
bfa_stats(tskim->itnim, tm_qresumes);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME);
}
/**
* Cleanup IOs associated with a task mangement command on IOC failures.
*/
static void
bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim)
{
struct bfa_ioim_s *ioim;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &tskim->io_q) {
ioim = (struct bfa_ioim_s *) qe;
bfa_ioim_iocdisable(ioim);
}
}
/**
* bfa_tskim_friend
*/
/**
* Notification on completions from related ioim.
*/
void
bfa_tskim_iodone(struct bfa_tskim_s *tskim)
{
bfa_wc_down(&tskim->wc);
}
/**
* Handle IOC h/w failure notification from itnim.
*/
void
bfa_tskim_iocdisable(struct bfa_tskim_s *tskim)
{
tskim->notify = BFA_FALSE;
bfa_stats(tskim->itnim, tm_iocdowns);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL);
}
/**
* Cleanup TM command and associated IOs as part of ITNIM offline.
*/
void
bfa_tskim_cleanup(struct bfa_tskim_s *tskim)
{
tskim->notify = BFA_TRUE;
bfa_stats(tskim->itnim, tm_cleanups);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP);
}
/**
* Memory allocation and initialization.
*/
void
bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo)
{
struct bfa_tskim_s *tskim;
u16 i;
INIT_LIST_HEAD(&fcpim->tskim_free_q);
tskim = (struct bfa_tskim_s *) bfa_meminfo_kva(minfo);
fcpim->tskim_arr = tskim;
for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) {
/*
* initialize TSKIM
*/
bfa_os_memset(tskim, 0, sizeof(struct bfa_tskim_s));
tskim->tsk_tag = i;
tskim->bfa = fcpim->bfa;
tskim->fcpim = fcpim;
tskim->notify = BFA_FALSE;
bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume,
tskim);
bfa_sm_set_state(tskim, bfa_tskim_sm_uninit);
list_add_tail(&tskim->qe, &fcpim->tskim_free_q);
}
bfa_meminfo_kva(minfo) = (u8 *) tskim;
}
void
bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim)
{
/**
* @todo
*/
}
void
bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m;
struct bfa_tskim_s *tskim;
u16 tsk_tag = bfa_os_ntohs(rsp->tsk_tag);
tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag);
bfa_assert(tskim->tsk_tag == tsk_tag);
tskim->tsk_status = rsp->tsk_status;
/**
* Firmware sends BFI_TSKIM_STS_ABORTED status for abort
* requests. All other statuses are for normal completions.
*/
if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) {
bfa_stats(tskim->itnim, tm_cleanup_comps);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE);
} else {
bfa_stats(tskim->itnim, tm_fw_rsps);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE);
}
}
/**
* bfa_tskim_api
*/
struct bfa_tskim_s *
bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk)
{
struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
struct bfa_tskim_s *tskim;
bfa_q_deq(&fcpim->tskim_free_q, &tskim);
if (!tskim)
bfa_fcpim_stats(fcpim, no_tskims);
else
tskim->dtsk = dtsk;
return tskim;
}
void
bfa_tskim_free(struct bfa_tskim_s *tskim)
{
bfa_assert(bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe));
list_del(&tskim->qe);
list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q);
}
/**
* Start a task management command.
*
* @param[in] tskim BFA task management command instance
* @param[in] itnim i-t nexus for the task management command
* @param[in] lun lun, if applicable
* @param[in] tm_cmnd Task management command code.
* @param[in] t_secs Timeout in seconds
*
* @return None.
*/
void
bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, lun_t lun,
enum fcp_tm_cmnd tm_cmnd, u8 tsecs)
{
tskim->itnim = itnim;
tskim->lun = lun;
tskim->tm_cmnd = tm_cmnd;
tskim->tsecs = tsecs;
tskim->notify = BFA_FALSE;
bfa_stats(itnim, tm_cmnds);
list_add_tail(&tskim->qe, &itnim->tsk_q);
bfa_sm_send_event(tskim, BFA_TSKIM_SM_START);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_uf.c BFA unsolicited frame receive implementation
*/
#include <bfa.h>
#include <bfa_svc.h>
#include <bfi/bfi_uf.h>
#include <cs/bfa_debug.h>
BFA_TRC_FILE(HAL, UF);
BFA_MODULE(uf);
/*
*****************************************************************************
* Internal functions
*****************************************************************************
*/
static void
__bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete)
{
struct bfa_uf_s *uf = cbarg;
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa);
if (complete)
ufm->ufrecv(ufm->cbarg, uf);
}
static void
claim_uf_pbs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
u32 uf_pb_tot_sz;
ufm->uf_pbs_kva = (struct bfa_uf_buf_s *) bfa_meminfo_dma_virt(mi);
ufm->uf_pbs_pa = bfa_meminfo_dma_phys(mi);
uf_pb_tot_sz = BFA_ROUNDUP((sizeof(struct bfa_uf_buf_s) * ufm->num_ufs),
BFA_DMA_ALIGN_SZ);
bfa_meminfo_dma_virt(mi) += uf_pb_tot_sz;
bfa_meminfo_dma_phys(mi) += uf_pb_tot_sz;
bfa_os_memset((void *)ufm->uf_pbs_kva, 0, uf_pb_tot_sz);
}
static void
claim_uf_post_msgs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
struct bfi_uf_buf_post_s *uf_bp_msg;
struct bfi_sge_s *sge;
union bfi_addr_u sga_zero = { {0} };
u16 i;
u16 buf_len;
ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_meminfo_kva(mi);
uf_bp_msg = ufm->uf_buf_posts;
for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs;
i++, uf_bp_msg++) {
bfa_os_memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s));
uf_bp_msg->buf_tag = i;
buf_len = sizeof(struct bfa_uf_buf_s);
uf_bp_msg->buf_len = bfa_os_htons(buf_len);
bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST,
bfa_lpuid(ufm->bfa));
sge = uf_bp_msg->sge;
sge[0].sg_len = buf_len;
sge[0].flags = BFI_SGE_DATA_LAST;
bfa_dma_addr_set(sge[0].sga, ufm_pbs_pa(ufm, i));
bfa_sge_to_be(sge);
sge[1].sg_len = buf_len;
sge[1].flags = BFI_SGE_PGDLEN;
sge[1].sga = sga_zero;
bfa_sge_to_be(&sge[1]);
}
/**
* advance pointer beyond consumed memory
*/
bfa_meminfo_kva(mi) = (u8 *) uf_bp_msg;
}
static void
claim_ufs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
u16 i;
struct bfa_uf_s *uf;
/*
* Claim block of memory for UF list
*/
ufm->uf_list = (struct bfa_uf_s *) bfa_meminfo_kva(mi);
/*
* Initialize UFs and queue it in UF free queue
*/
for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) {
bfa_os_memset(uf, 0, sizeof(struct bfa_uf_s));
uf->bfa = ufm->bfa;
uf->uf_tag = i;
uf->pb_len = sizeof(struct bfa_uf_buf_s);
uf->buf_kva = (void *)&ufm->uf_pbs_kva[i];
uf->buf_pa = ufm_pbs_pa(ufm, i);
list_add_tail(&uf->qe, &ufm->uf_free_q);
}
/**
* advance memory pointer
*/
bfa_meminfo_kva(mi) = (u8 *) uf;
}
static void
uf_mem_claim(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
claim_uf_pbs(ufm, mi);
claim_ufs(ufm, mi);
claim_uf_post_msgs(ufm, mi);
}
static void
bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, u32 *dm_len)
{
u32 num_ufs = cfg->fwcfg.num_uf_bufs;
/*
* dma-able memory for UF posted bufs
*/
*dm_len += BFA_ROUNDUP((sizeof(struct bfa_uf_buf_s) * num_ufs),
BFA_DMA_ALIGN_SZ);
/*
* kernel Virtual memory for UFs and UF buf post msg copies
*/
*ndm_len += sizeof(struct bfa_uf_s) * num_ufs;
*ndm_len += sizeof(struct bfi_uf_buf_post_s) * num_ufs;
}
static void
bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
bfa_os_memset(ufm, 0, sizeof(struct bfa_uf_mod_s));
ufm->bfa = bfa;
ufm->num_ufs = cfg->fwcfg.num_uf_bufs;
INIT_LIST_HEAD(&ufm->uf_free_q);
INIT_LIST_HEAD(&ufm->uf_posted_q);
uf_mem_claim(ufm, meminfo);
}
static void
bfa_uf_initdone(struct bfa_s *bfa)
{
}
static void
bfa_uf_detach(struct bfa_s *bfa)
{
}
static struct bfa_uf_s *
bfa_uf_get(struct bfa_uf_mod_s *uf_mod)
{
struct bfa_uf_s *uf;
bfa_q_deq(&uf_mod->uf_free_q, &uf);
return (uf);
}
static void
bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf)
{
list_add_tail(&uf->qe, &uf_mod->uf_free_q);
}
static bfa_status_t
bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf)
{
struct bfi_uf_buf_post_s *uf_post_msg;
uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP);
if (!uf_post_msg)
return BFA_STATUS_FAILED;
bfa_os_memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag],
sizeof(struct bfi_uf_buf_post_s));
bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP);
bfa_trc(ufm->bfa, uf->uf_tag);
list_add_tail(&uf->qe, &ufm->uf_posted_q);
return BFA_STATUS_OK;
}
static void
bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod)
{
struct bfa_uf_s *uf;
while ((uf = bfa_uf_get(uf_mod)) != NULL) {
if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK)
break;
}
}
static void
uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
u16 uf_tag = m->buf_tag;
struct bfa_uf_buf_s *uf_buf = &ufm->uf_pbs_kva[uf_tag];
struct bfa_uf_s *uf = &ufm->uf_list[uf_tag];
u8 *buf = &uf_buf->d[0];
struct fchs_s *fchs;
m->frm_len = bfa_os_ntohs(m->frm_len);
m->xfr_len = bfa_os_ntohs(m->xfr_len);
fchs = (struct fchs_s *) uf_buf;
list_del(&uf->qe); /* dequeue from posted queue */
uf->data_ptr = buf;
uf->data_len = m->xfr_len;
bfa_assert(uf->data_len >= sizeof(struct fchs_s));
if (uf->data_len == sizeof(struct fchs_s)) {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX,
uf->data_len, (struct fchs_s *) buf);
} else {
u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s)));
bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF,
BFA_PL_EID_RX, uf->data_len,
(struct fchs_s *) buf, pld_w0);
}
bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf);
}
static void
bfa_uf_stop(struct bfa_s *bfa)
{
}
static void
bfa_uf_iocdisable(struct bfa_s *bfa)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
struct bfa_uf_s *uf;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &ufm->uf_posted_q) {
uf = (struct bfa_uf_s *) qe;
list_del(&uf->qe);
bfa_uf_put(ufm, uf);
}
}
static void
bfa_uf_start(struct bfa_s *bfa)
{
bfa_uf_post_all(BFA_UF_MOD(bfa));
}
/**
* bfa_uf_api
*/
/**
* Register handler for all unsolicted recieve frames.
*
* @param[in] bfa BFA instance
* @param[in] ufrecv receive handler function
* @param[in] cbarg receive handler arg
*/
void
bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
ufm->ufrecv = ufrecv;
ufm->cbarg = cbarg;
}
/**
* Free an unsolicited frame back to BFA.
*
* @param[in] uf unsolicited frame to be freed
*
* @return None
*/
void
bfa_uf_free(struct bfa_uf_s *uf)
{
bfa_uf_put(BFA_UF_MOD(uf->bfa), uf);
bfa_uf_post_all(BFA_UF_MOD(uf->bfa));
}
/**
* uf_pub BFA uf module public functions
*/
void
bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
{
bfa_trc(bfa, msg->mhdr.msg_id);
switch (msg->mhdr.msg_id) {
case BFI_UF_I2H_FRM_RCVD:
uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg);
break;
default:
bfa_trc(bfa, msg->mhdr.msg_id);
bfa_assert(0);
}
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_UF_PRIV_H__
#define __BFA_UF_PRIV_H__
#include <cs/bfa_sm.h>
#include <bfa_svc.h>
#include <bfi/bfi_uf.h>
#define BFA_UF_MIN (4)
struct bfa_uf_mod_s {
struct bfa_s *bfa; /* back pointer to BFA */
struct bfa_uf_s *uf_list; /* array of UFs */
u16 num_ufs; /* num unsolicited rx frames */
struct list_head uf_free_q; /* free UFs */
struct list_head uf_posted_q; /* UFs posted to IOC */
struct bfa_uf_buf_s *uf_pbs_kva; /* list UF bufs request pld */
u64 uf_pbs_pa; /* phy addr for UF bufs */
struct bfi_uf_buf_post_s *uf_buf_posts;
/* pre-built UF post msgs */
bfa_cb_uf_recv_t ufrecv; /* uf recv handler function */
void *cbarg; /* uf receive handler arg */
};
#define BFA_UF_MOD(__bfa) (&(__bfa)->modules.uf_mod)
#define ufm_pbs_pa(_ufmod, _uftag) \
((_ufmod)->uf_pbs_pa + sizeof(struct bfa_uf_buf_s) * (_uftag))
void bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
#endif /* __BFA_UF_PRIV_H__ */

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649
drivers/scsi/bfa/bfad_attr.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfa_attr.c Linux driver configuration interface module.
*/
#include "bfad_drv.h"
#include "bfad_im.h"
#include "bfad_trcmod.h"
#include "bfad_attr.h"
/**
* FC_transport_template FC transport template
*/
/**
* FC transport template entry, get SCSI target port ID.
*/
void
bfad_im_get_starget_port_id(struct scsi_target *starget)
{
struct Scsi_Host *shost;
struct bfad_im_port_s *im_port;
struct bfad_s *bfad;
struct bfad_itnim_s *itnim = NULL;
u32 fc_id = -1;
unsigned long flags;
shost = bfad_os_starget_to_shost(starget);
im_port = (struct bfad_im_port_s *) shost->hostdata[0];
bfad = im_port->bfad;
spin_lock_irqsave(&bfad->bfad_lock, flags);
itnim = bfad_os_get_itnim(im_port, starget->id);
if (itnim)
fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);
fc_starget_port_id(starget) = fc_id;
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
/**
* FC transport template entry, get SCSI target nwwn.
*/
void
bfad_im_get_starget_node_name(struct scsi_target *starget)
{
struct Scsi_Host *shost;
struct bfad_im_port_s *im_port;
struct bfad_s *bfad;
struct bfad_itnim_s *itnim = NULL;
u64 node_name = 0;
unsigned long flags;
shost = bfad_os_starget_to_shost(starget);
im_port = (struct bfad_im_port_s *) shost->hostdata[0];
bfad = im_port->bfad;
spin_lock_irqsave(&bfad->bfad_lock, flags);
itnim = bfad_os_get_itnim(im_port, starget->id);
if (itnim)
node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);
fc_starget_node_name(starget) = bfa_os_htonll(node_name);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
/**
* FC transport template entry, get SCSI target pwwn.
*/
void
bfad_im_get_starget_port_name(struct scsi_target *starget)
{
struct Scsi_Host *shost;
struct bfad_im_port_s *im_port;
struct bfad_s *bfad;
struct bfad_itnim_s *itnim = NULL;
u64 port_name = 0;
unsigned long flags;
shost = bfad_os_starget_to_shost(starget);
im_port = (struct bfad_im_port_s *) shost->hostdata[0];
bfad = im_port->bfad;
spin_lock_irqsave(&bfad->bfad_lock, flags);
itnim = bfad_os_get_itnim(im_port, starget->id);
if (itnim)
port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
fc_starget_port_name(starget) = bfa_os_htonll(port_name);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
/**
* FC transport template entry, get SCSI host port ID.
*/
void
bfad_im_get_host_port_id(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_port_s *port = im_port->port;
fc_host_port_id(shost) =
bfa_os_hton3b(bfa_fcs_port_get_fcid(port->fcs_port));
}
struct Scsi_Host *
bfad_os_starget_to_shost(struct scsi_target *starget)
{
return dev_to_shost(starget->dev.parent);
}
/**
* FC transport template entry, get SCSI host port type.
*/
static void
bfad_im_get_host_port_type(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_pport_attr_s attr;
bfa_pport_get_attr(&bfad->bfa, &attr);
switch (attr.port_type) {
case BFA_PPORT_TYPE_NPORT:
fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
break;
case BFA_PPORT_TYPE_NLPORT:
fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
break;
case BFA_PPORT_TYPE_P2P:
fc_host_port_type(shost) = FC_PORTTYPE_PTP;
break;
case BFA_PPORT_TYPE_LPORT:
fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
break;
default:
fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
break;
}
}
/**
* FC transport template entry, get SCSI host port state.
*/
static void
bfad_im_get_host_port_state(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_pport_attr_s attr;
bfa_pport_get_attr(&bfad->bfa, &attr);
switch (attr.port_state) {
case BFA_PPORT_ST_LINKDOWN:
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
break;
case BFA_PPORT_ST_LINKUP:
fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
break;
case BFA_PPORT_ST_UNINIT:
case BFA_PPORT_ST_ENABLING_QWAIT:
case BFA_PPORT_ST_ENABLING:
case BFA_PPORT_ST_DISABLING_QWAIT:
case BFA_PPORT_ST_DISABLING:
case BFA_PPORT_ST_DISABLED:
case BFA_PPORT_ST_STOPPED:
case BFA_PPORT_ST_IOCDOWN:
default:
fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
break;
}
}
/**
* FC transport template entry, get SCSI host active fc4s.
*/
static void
bfad_im_get_host_active_fc4s(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_port_s *port = im_port->port;
memset(fc_host_active_fc4s(shost), 0,
sizeof(fc_host_active_fc4s(shost)));
if (port->supported_fc4s &
(BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM))
fc_host_active_fc4s(shost)[2] = 1;
if (port->supported_fc4s & BFA_PORT_ROLE_FCP_IPFC)
fc_host_active_fc4s(shost)[3] = 0x20;
fc_host_active_fc4s(shost)[7] = 1;
}
/**
* FC transport template entry, get SCSI host link speed.
*/
static void
bfad_im_get_host_speed(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_pport_attr_s attr;
bfa_pport_get_attr(&bfad->bfa, &attr);
switch (attr.speed) {
case BFA_PPORT_SPEED_8GBPS:
fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
break;
case BFA_PPORT_SPEED_4GBPS:
fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
break;
case BFA_PPORT_SPEED_2GBPS:
fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
break;
case BFA_PPORT_SPEED_1GBPS:
fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
break;
default:
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
break;
}
}
/**
* FC transport template entry, get SCSI host port type.
*/
static void
bfad_im_get_host_fabric_name(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_port_s *port = im_port->port;
wwn_t fabric_nwwn = 0;
fabric_nwwn = bfa_fcs_port_get_fabric_name(port->fcs_port);
fc_host_fabric_name(shost) = bfa_os_htonll(fabric_nwwn);
}
/**
* FC transport template entry, get BFAD statistics.
*/
static struct fc_host_statistics *
bfad_im_get_stats(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfad_hal_comp fcomp;
struct fc_host_statistics *hstats;
bfa_status_t rc;
unsigned long flags;
hstats = &bfad->link_stats;
init_completion(&fcomp.comp);
spin_lock_irqsave(&bfad->bfad_lock, flags);
memset(hstats, 0, sizeof(struct fc_host_statistics));
rc = bfa_pport_get_stats(&bfad->bfa,
(union bfa_pport_stats_u *) hstats,
bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (rc != BFA_STATUS_OK)
return NULL;
wait_for_completion(&fcomp.comp);
return hstats;
}
/**
* FC transport template entry, reset BFAD statistics.
*/
static void
bfad_im_reset_stats(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfad_hal_comp fcomp;
unsigned long flags;
bfa_status_t rc;
init_completion(&fcomp.comp);
spin_lock_irqsave(&bfad->bfad_lock, flags);
rc = bfa_pport_clear_stats(&bfad->bfa, bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (rc != BFA_STATUS_OK)
return;
wait_for_completion(&fcomp.comp);
return;
}
/**
* FC transport template entry, get rport loss timeout.
*/
static void
bfad_im_get_rport_loss_tmo(struct fc_rport *rport)
{
struct bfad_itnim_data_s *itnim_data = rport->dd_data;
struct bfad_itnim_s *itnim = itnim_data->itnim;
struct bfad_s *bfad = itnim->im->bfad;
unsigned long flags;
spin_lock_irqsave(&bfad->bfad_lock, flags);
rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
/**
* FC transport template entry, set rport loss timeout.
*/
static void
bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
{
struct bfad_itnim_data_s *itnim_data = rport->dd_data;
struct bfad_itnim_s *itnim = itnim_data->itnim;
struct bfad_s *bfad = itnim->im->bfad;
unsigned long flags;
if (timeout > 0) {
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_fcpim_path_tov_set(&bfad->bfa, timeout);
rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
}
struct fc_function_template bfad_im_fc_function_template = {
/* Target dynamic attributes */
.get_starget_port_id = bfad_im_get_starget_port_id,
.show_starget_port_id = 1,
.get_starget_node_name = bfad_im_get_starget_node_name,
.show_starget_node_name = 1,
.get_starget_port_name = bfad_im_get_starget_port_name,
.show_starget_port_name = 1,
/* Host dynamic attribute */
.get_host_port_id = bfad_im_get_host_port_id,
.show_host_port_id = 1,
/* Host fixed attributes */
.show_host_node_name = 1,
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.show_host_supported_fc4s = 1,
.show_host_supported_speeds = 1,
.show_host_maxframe_size = 1,
/* More host dynamic attributes */
.show_host_port_type = 1,
.get_host_port_type = bfad_im_get_host_port_type,
.show_host_port_state = 1,
.get_host_port_state = bfad_im_get_host_port_state,
.show_host_active_fc4s = 1,
.get_host_active_fc4s = bfad_im_get_host_active_fc4s,
.show_host_speed = 1,
.get_host_speed = bfad_im_get_host_speed,
.show_host_fabric_name = 1,
.get_host_fabric_name = bfad_im_get_host_fabric_name,
.show_host_symbolic_name = 1,
/* Statistics */
.get_fc_host_stats = bfad_im_get_stats,
.reset_fc_host_stats = bfad_im_reset_stats,
/* Allocation length for host specific data */
.dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
/* Remote port fixed attributes */
.show_rport_maxframe_size = 1,
.show_rport_supported_classes = 1,
.show_rport_dev_loss_tmo = 1,
.get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
};
/**
* Scsi_Host_attrs SCSI host attributes
*/
static ssize_t
bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "%s\n",
ioc_attr.adapter_attr.serial_num);
}
static ssize_t
bfad_im_model_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.model);
}
static ssize_t
bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "%s\n",
ioc_attr.adapter_attr.model_descr);
}
static ssize_t
bfad_im_node_name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_port_s *port = im_port->port;
u64 nwwn;
nwwn = bfa_fcs_port_get_nwwn(port->fcs_port);
return snprintf(buf, PAGE_SIZE, "0x%llx\n", bfa_os_htonll(nwwn));
}
static ssize_t
bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "Brocade %s FV%s DV%s\n",
ioc_attr.adapter_attr.model,
ioc_attr.adapter_attr.fw_ver, BFAD_DRIVER_VERSION);
}
static ssize_t
bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.hw_ver);
}
static ssize_t
bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
}
static ssize_t
bfad_im_optionrom_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "%s\n",
ioc_attr.adapter_attr.optrom_ver);
}
static ssize_t
bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.fw_ver);
}
static ssize_t
bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_ioc_attr_s ioc_attr;
memset(&ioc_attr, 0, sizeof(ioc_attr));
bfa_get_attr(&bfad->bfa, &ioc_attr);
return snprintf(buf, PAGE_SIZE, "%d\n", ioc_attr.adapter_attr.nports);
}
static ssize_t
bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
}
static ssize_t
bfad_im_num_of_discovered_ports_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_port_s *port = im_port->port;
struct bfad_s *bfad = im_port->bfad;
int nrports = 2048;
wwn_t *rports = NULL;
unsigned long flags;
rports = kzalloc(sizeof(wwn_t) * nrports , GFP_ATOMIC);
if (rports == NULL)
return -ENOMEM;
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_fcs_port_get_rports(port->fcs_port, rports, &nrports);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
kfree(rports);
return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
}
static DEVICE_ATTR(serial_number, S_IRUGO,
bfad_im_serial_num_show, NULL);
static DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
static DEVICE_ATTR(model_description, S_IRUGO,
bfad_im_model_desc_show, NULL);
static DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
static DEVICE_ATTR(symbolic_name, S_IRUGO,
bfad_im_symbolic_name_show, NULL);
static DEVICE_ATTR(hardware_version, S_IRUGO,
bfad_im_hw_version_show, NULL);
static DEVICE_ATTR(driver_version, S_IRUGO,
bfad_im_drv_version_show, NULL);
static DEVICE_ATTR(option_rom_version, S_IRUGO,
bfad_im_optionrom_version_show, NULL);
static DEVICE_ATTR(firmware_version, S_IRUGO,
bfad_im_fw_version_show, NULL);
static DEVICE_ATTR(number_of_ports, S_IRUGO,
bfad_im_num_of_ports_show, NULL);
static DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
static DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
bfad_im_num_of_discovered_ports_show, NULL);
struct device_attribute *bfad_im_host_attrs[] = {
&dev_attr_serial_number,
&dev_attr_model,
&dev_attr_model_description,
&dev_attr_node_name,
&dev_attr_symbolic_name,
&dev_attr_hardware_version,
&dev_attr_driver_version,
&dev_attr_option_rom_version,
&dev_attr_firmware_version,
&dev_attr_number_of_ports,
&dev_attr_driver_name,
&dev_attr_number_of_discovered_ports,
NULL,
};
struct device_attribute *bfad_im_vport_attrs[] = {
&dev_attr_serial_number,
&dev_attr_model,
&dev_attr_model_description,
&dev_attr_node_name,
&dev_attr_symbolic_name,
&dev_attr_hardware_version,
&dev_attr_driver_version,
&dev_attr_option_rom_version,
&dev_attr_firmware_version,
&dev_attr_number_of_ports,
&dev_attr_driver_name,
&dev_attr_number_of_discovered_ports,
NULL,
};

65
drivers/scsi/bfa/bfad_attr.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFAD_ATTR_H__
#define __BFAD_ATTR_H__
/**
* bfad_attr.h VMware driver configuration interface module.
*/
/**
* FC_transport_template FC transport template
*/
struct Scsi_Host*
bfad_os_dev_to_shost(struct scsi_target *starget);
/**
* FC transport template entry, get SCSI target port ID.
*/
void
bfad_im_get_starget_port_id(struct scsi_target *starget);
/**
* FC transport template entry, get SCSI target nwwn.
*/
void
bfad_im_get_starget_node_name(struct scsi_target *starget);
/**
* FC transport template entry, get SCSI target pwwn.
*/
void
bfad_im_get_starget_port_name(struct scsi_target *starget);
/**
* FC transport template entry, get SCSI host port ID.
*/
void
bfad_im_get_host_port_id(struct Scsi_Host *shost);
/**
* FC transport template entry, issue a LIP.
*/
int
bfad_im_issue_fc_host_lip(struct Scsi_Host *shost);
struct Scsi_Host*
bfad_os_starget_to_shost(struct scsi_target *starget);
#endif /* __BFAD_ATTR_H__ */

295
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* Contains base driver definitions.
*/
/**
* bfa_drv.h Linux driver data structures.
*/
#ifndef __BFAD_DRV_H__
#define __BFAD_DRV_H__
#include "bfa_os_inc.h"
#include <bfa.h>
#include <bfa_svc.h>
#include <fcs/bfa_fcs.h>
#include <defs/bfa_defs_pci.h>
#include <defs/bfa_defs_port.h>
#include <defs/bfa_defs_rport.h>
#include <fcs/bfa_fcs_rport.h>
#include <defs/bfa_defs_vport.h>
#include <fcs/bfa_fcs_vport.h>
#include <cs/bfa_plog.h>
#include "aen/bfa_aen.h"
#include <log/bfa_log_linux.h>
#define BFAD_DRIVER_NAME "bfa"
#ifdef BFA_DRIVER_VERSION
#define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION
#else
#define BFAD_DRIVER_VERSION "2.0.0.0"
#endif
#define BFAD_IRQ_FLAGS IRQF_SHARED
/*
* BFAD flags
*/
#define BFAD_MSIX_ON 0x00000001
#define BFAD_HAL_INIT_DONE 0x00000002
#define BFAD_DRV_INIT_DONE 0x00000004
#define BFAD_CFG_PPORT_DONE 0x00000008
#define BFAD_HAL_START_DONE 0x00000010
#define BFAD_PORT_ONLINE 0x00000020
#define BFAD_RPORT_ONLINE 0x00000040
#define BFAD_PORT_DELETE 0x00000001
/*
* BFAD related definition
*/
#define SCSI_SCAN_DELAY HZ
#define BFAD_STOP_TIMEOUT 30
#define BFAD_SUSPEND_TIMEOUT BFAD_STOP_TIMEOUT
/*
* BFAD configuration parameter default values
*/
#define BFAD_LUN_QUEUE_DEPTH 32
#define BFAD_IO_MAX_SGE SG_ALL
#define bfad_isr_t irq_handler_t
#define MAX_MSIX_ENTRY 22
struct bfad_msix_s {
struct bfad_s *bfad;
struct msix_entry msix;
};
enum bfad_port_pvb_type {
BFAD_PORT_PHYS_BASE = 0,
BFAD_PORT_PHYS_VPORT = 1,
BFAD_PORT_VF_BASE = 2,
BFAD_PORT_VF_VPORT = 3,
};
/*
* PORT data structure
*/
struct bfad_port_s {
struct list_head list_entry;
struct bfad_s *bfad;
struct bfa_fcs_port_s *fcs_port;
u32 roles;
s32 flags;
u32 supported_fc4s;
u8 ipfc_flags;
enum bfad_port_pvb_type pvb_type;
struct bfad_im_port_s *im_port; /* IM specific data */
struct bfad_tm_port_s *tm_port; /* TM specific data */
struct bfad_ipfc_port_s *ipfc_port; /* IPFC specific data */
};
/*
* VPORT data structure
*/
struct bfad_vport_s {
struct bfad_port_s drv_port;
struct bfa_fcs_vport_s fcs_vport;
struct completion *comp_del;
};
/*
* VF data structure
*/
struct bfad_vf_s {
bfa_fcs_vf_t fcs_vf;
struct bfad_port_s base_port; /* base port for vf */
struct bfad_s *bfad;
};
struct bfad_cfg_param_s {
u32 rport_del_timeout;
u32 ioc_queue_depth;
u32 lun_queue_depth;
u32 io_max_sge;
u32 binding_method;
};
#define BFAD_AEN_MAX_APPS 8
struct bfad_aen_file_s {
struct list_head qe;
struct bfad_s *bfad;
s32 ri;
s32 app_id;
};
/*
* BFAD (PCI function) data structure
*/
struct bfad_s {
struct list_head list_entry;
struct bfa_s bfa;
struct bfa_fcs_s bfa_fcs;
struct pci_dev *pcidev;
const char *pci_name;
struct bfa_pcidev_s hal_pcidev;
struct bfa_ioc_pci_attr_s pci_attr;
unsigned long pci_bar0_map;
void __iomem *pci_bar0_kva;
struct completion comp;
struct completion suspend;
struct completion disable_comp;
bfa_boolean_t disable_active;
struct bfad_port_s pport; /* physical port of the BFAD */
struct bfa_meminfo_s meminfo;
struct bfa_iocfc_cfg_s ioc_cfg;
u32 inst_no; /* BFAD instance number */
u32 bfad_flags;
spinlock_t bfad_lock;
struct bfad_cfg_param_s cfg_data;
struct bfad_msix_s msix_tab[MAX_MSIX_ENTRY];
int nvec;
char adapter_name[BFA_ADAPTER_SYM_NAME_LEN];
char port_name[BFA_ADAPTER_SYM_NAME_LEN];
struct timer_list hal_tmo;
unsigned long hs_start;
struct bfad_im_s *im; /* IM specific data */
struct bfad_tm_s *tm; /* TM specific data */
struct bfad_ipfc_s *ipfc; /* IPFC specific data */
struct bfa_log_mod_s log_data;
struct bfa_trc_mod_s *trcmod;
struct bfa_log_mod_s *logmod;
struct bfa_aen_s *aen;
struct bfa_aen_s aen_buf;
struct bfad_aen_file_s file_buf[BFAD_AEN_MAX_APPS];
struct list_head file_q;
struct list_head file_free_q;
struct bfa_plog_s plog_buf;
int ref_count;
bfa_boolean_t ipfc_enabled;
struct fc_host_statistics link_stats;
struct kobject *bfa_kobj;
struct kobject *ioc_kobj;
struct kobject *pport_kobj;
struct kobject *lport_kobj;
};
/*
* RPORT data structure
*/
struct bfad_rport_s {
struct bfa_fcs_rport_s fcs_rport;
};
struct bfad_buf_info {
void *virt;
dma_addr_t phys;
u32 size;
};
struct bfad_fcxp {
struct bfad_port_s *port;
struct bfa_rport_s *bfa_rport;
bfa_status_t req_status;
u16 tag;
u16 rsp_len;
u16 rsp_maxlen;
u8 use_ireqbuf;
u8 use_irspbuf;
u32 num_req_sgles;
u32 num_rsp_sgles;
struct fchs_s fchs;
void *reqbuf_info;
void *rspbuf_info;
struct bfa_sge_s *req_sge;
struct bfa_sge_s *rsp_sge;
fcxp_send_cb_t send_cbfn;
void *send_cbarg;
void *bfa_fcxp;
struct completion comp;
};
struct bfad_hal_comp {
bfa_status_t status;
struct completion comp;
};
/*
* Macro to obtain the immediate lower power
* of two for the integer.
*/
#define nextLowerInt(x) \
do { \
int j; \
(*x)--; \
for (j = 1; j < (sizeof(int) * 8); j <<= 1) \
(*x) = (*x) | (*x) >> j; \
(*x)++; \
(*x) = (*x) >> 1; \
} while (0)
bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
struct bfa_port_cfg_s *port_cfg);
bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
struct bfa_port_cfg_s *port_cfg);
bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role);
bfa_status_t bfad_drv_init(struct bfad_s *bfad);
void bfad_drv_start(struct bfad_s *bfad);
void bfad_uncfg_pport(struct bfad_s *bfad);
void bfad_drv_stop(struct bfad_s *bfad);
void bfad_remove_intr(struct bfad_s *bfad);
void bfad_hal_mem_release(struct bfad_s *bfad);
void bfad_hcb_comp(void *arg, bfa_status_t status);
int bfad_setup_intr(struct bfad_s *bfad);
void bfad_remove_intr(struct bfad_s *bfad);
void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg);
bfa_status_t bfad_hal_mem_alloc(struct bfad_s *bfad);
void bfad_bfa_tmo(unsigned long data);
void bfad_init_timer(struct bfad_s *bfad);
int bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad);
void bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad);
void bfad_fcs_port_cfg(struct bfad_s *bfad);
void bfad_drv_uninit(struct bfad_s *bfad);
void bfad_drv_log_level_set(struct bfad_s *bfad);
bfa_status_t bfad_fc4_module_init(void);
void bfad_fc4_module_exit(void);
void bfad_pci_remove(struct pci_dev *pdev);
int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid);
void bfad_os_rport_online_wait(struct bfad_s *bfad);
int bfad_os_get_linkup_delay(struct bfad_s *bfad);
int bfad_install_msix_handler(struct bfad_s *bfad);
extern struct idr bfad_im_port_index;
extern struct list_head bfad_list;
extern int bfa_lun_queue_depth;
extern int bfad_supported_fc4s;
extern int bfa_linkup_delay;
#endif /* __BFAD_DRV_H__ */

95
drivers/scsi/bfa/bfad_fwimg.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfad_fwimg.c Linux driver PCI interface module.
*/
#include <bfa_os_inc.h>
#include <bfad_drv.h>
#include <bfad_im_compat.h>
#include <defs/bfa_defs_version.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <asm/uaccess.h>
#include <asm/fcntl.h>
#include <linux/pci.h>
#include <linux/firmware.h>
#include <bfa_fwimg_priv.h>
#include <bfa.h>
u32 bfi_image_ct_size;
u32 bfi_image_cb_size;
u32 *bfi_image_ct;
u32 *bfi_image_cb;
#define BFAD_FW_FILE_CT "ctfw.bin"
#define BFAD_FW_FILE_CB "cbfw.bin"
u32 *
bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
u32 *bfi_image_size, char *fw_name)
{
const struct firmware *fw;
if (request_firmware(&fw, fw_name, &pdev->dev)) {
printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
goto error;
}
*bfi_image = vmalloc(fw->size);
if (NULL == *bfi_image) {
printk(KERN_ALERT "Fail to allocate buffer for fw image "
"size=%x!\n", (u32) fw->size);
goto error;
}
memcpy(*bfi_image, fw->data, fw->size);
*bfi_image_size = fw->size/sizeof(u32);
return(*bfi_image);
error:
return(NULL);
}
u32 *
bfad_get_firmware_buf(struct pci_dev *pdev)
{
if (pdev->device == BFA_PCI_DEVICE_ID_CT) {
if (bfi_image_ct_size == 0)
bfad_read_firmware(pdev, &bfi_image_ct,
&bfi_image_ct_size, BFAD_FW_FILE_CT);
return(bfi_image_ct);
} else {
if (bfi_image_cb_size == 0)
bfad_read_firmware(pdev, &bfi_image_cb,
&bfi_image_cb_size, BFAD_FW_FILE_CB);
return(bfi_image_cb);
}
}
u32 *
bfi_image_ct_get_chunk(u32 off)
{ return (u32 *)(bfi_image_ct + off); }
u32 *
bfi_image_cb_get_chunk(u32 off)
{ return (u32 *)(bfi_image_cb + off); }

1230
drivers/scsi/bfa/bfad_im.c Normal file
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150
drivers/scsi/bfa/bfad_im.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFAD_IM_H__
#define __BFAD_IM_H__
#include "fcs/bfa_fcs_fcpim.h"
#include "bfad_im_compat.h"
#define FCPI_NAME " fcpim"
void bfad_flags_set(struct bfad_s *bfad, u32 flags);
bfa_status_t bfad_im_module_init(void);
void bfad_im_module_exit(void);
bfa_status_t bfad_im_probe(struct bfad_s *bfad);
void bfad_im_probe_undo(struct bfad_s *bfad);
void bfad_im_probe_post(struct bfad_im_s *im);
bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_clean(struct bfad_im_port_s *im_port);
int bfad_im_scsi_host_alloc(struct bfad_s *bfad,
struct bfad_im_port_s *im_port);
void bfad_im_scsi_host_free(struct bfad_s *bfad,
struct bfad_im_port_s *im_port);
#define MAX_FCP_TARGET 1024
#define MAX_FCP_LUN 16384
#define BFAD_TARGET_RESET_TMO 60
#define BFAD_LUN_RESET_TMO 60
#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
#define BFA_QUEUE_FULL_RAMP_UP_TIME 120
#define BFAD_KOBJ_NAME_LEN 20
/*
* itnim flags
*/
#define ITNIM_MAPPED 0x00000001
#define SCSI_TASK_MGMT 0x00000001
#define IO_DONE_BIT 0
struct bfad_itnim_data_s {
struct bfad_itnim_s *itnim;
};
struct bfad_im_port_s {
struct bfad_s *bfad;
struct bfad_port_s *port;
struct work_struct port_delete_work;
int idr_id;
u16 cur_scsi_id;
struct list_head binding_list;
struct Scsi_Host *shost;
struct list_head itnim_mapped_list;
};
enum bfad_itnim_state {
ITNIM_STATE_NONE,
ITNIM_STATE_ONLINE,
ITNIM_STATE_OFFLINE_PENDING,
ITNIM_STATE_OFFLINE,
ITNIM_STATE_TIMEOUT,
ITNIM_STATE_FREE,
};
/*
* Per itnim data structure
*/
struct bfad_itnim_s {
struct list_head list_entry;
struct bfa_fcs_itnim_s fcs_itnim;
struct work_struct itnim_work;
u32 flags;
enum bfad_itnim_state state;
struct bfad_im_s *im;
struct bfad_im_port_s *im_port;
struct bfad_rport_s *drv_rport;
struct fc_rport *fc_rport;
struct bfa_itnim_s *bfa_itnim;
u16 scsi_tgt_id;
u16 queue_work;
unsigned long last_ramp_up_time;
unsigned long last_queue_full_time;
};
enum bfad_binding_type {
FCP_PWWN_BINDING = 0x1,
FCP_NWWN_BINDING = 0x2,
FCP_FCID_BINDING = 0x3,
};
struct bfad_fcp_binding {
struct list_head list_entry;
enum bfad_binding_type binding_type;
u16 scsi_target_id;
u32 fc_id;
wwn_t nwwn;
wwn_t pwwn;
};
struct bfad_im_s {
struct bfad_s *bfad;
struct workqueue_struct *drv_workq;
char drv_workq_name[BFAD_KOBJ_NAME_LEN];
};
struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port,
struct bfad_s *);
bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad);
void bfad_os_destroy_workq(struct bfad_im_s *im);
void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv);
void bfad_os_fc_host_init(struct bfad_im_port_s *im_port);
void bfad_os_init_work(struct bfad_im_port_s *im_port);
void bfad_os_scsi_host_free(struct bfad_s *bfad,
struct bfad_im_port_s *im_port);
void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim,
struct scsi_device *sdev);
void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev);
struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id);
int bfad_os_scsi_add_host(struct Scsi_Host *shost,
struct bfad_im_port_s *im_port, struct bfad_s *bfad);
/*
* scsi_host_template entries
*/
void bfad_im_itnim_unmap(struct bfad_im_port_s *im_port,
struct bfad_itnim_s *itnim);
extern struct scsi_host_template bfad_im_scsi_host_template;
extern struct scsi_host_template bfad_im_vport_template;
extern struct fc_function_template bfad_im_fc_function_template;
extern struct scsi_transport_template *bfad_im_scsi_transport_template;
#endif

46
drivers/scsi/bfa/bfad_im_compat.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFAD_IM_COMPAT_H__
#define __BFAD_IM_COMPAT_H__
extern u32 *bfi_image_buf;
extern u32 bfi_image_size;
extern struct device_attribute *bfad_im_host_attrs[];
extern struct device_attribute *bfad_im_vport_attrs[];
u32 *bfad_get_firmware_buf(struct pci_dev *pdev);
u32 *bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
u32 *bfi_image_size, char *fw_name);
static inline u32 *
bfad_load_fwimg(struct pci_dev *pdev)
{
return(bfad_get_firmware_buf(pdev));
}
static inline void
bfad_free_fwimg(void)
{
if (bfi_image_ct_size && bfi_image_ct)
vfree(bfi_image_ct);
if (bfi_image_cb_size && bfi_image_cb)
vfree(bfi_image_cb);
}
#endif

214
drivers/scsi/bfa/bfad_intr.c Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include "bfad_drv.h"
#include "bfad_trcmod.h"
BFA_TRC_FILE(LDRV, INTR);
/**
* bfa_isr BFA driver interrupt functions
*/
irqreturn_t bfad_intx(int irq, void *dev_id);
static int msix_disable;
module_param(msix_disable, int, S_IRUGO | S_IWUSR);
/**
* Line based interrupt handler.
*/
irqreturn_t
bfad_intx(int irq, void *dev_id)
{
struct bfad_s *bfad = dev_id;
struct list_head doneq;
unsigned long flags;
bfa_boolean_t rc;
spin_lock_irqsave(&bfad->bfad_lock, flags);
rc = bfa_intx(&bfad->bfa);
if (!rc) {
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
return IRQ_NONE;
}
bfa_comp_deq(&bfad->bfa, &doneq);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (!list_empty(&doneq)) {
bfa_comp_process(&bfad->bfa, &doneq);
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_comp_free(&bfad->bfa, &doneq);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
bfa_trc_fp(bfad, irq);
}
return IRQ_HANDLED;
}
static irqreturn_t
bfad_msix(int irq, void *dev_id)
{
struct bfad_msix_s *vec = dev_id;
struct bfad_s *bfad = vec->bfad;
struct list_head doneq;
unsigned long flags;
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_msix(&bfad->bfa, vec->msix.entry);
bfa_comp_deq(&bfad->bfa, &doneq);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (!list_empty(&doneq)) {
bfa_comp_process(&bfad->bfa, &doneq);
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_comp_free(&bfad->bfa, &doneq);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
return IRQ_HANDLED;
}
/**
* Initialize the MSIX entry table.
*/
static void
bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
int mask, int max_bit)
{
int i;
int match = 0x00000001;
for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
if (mask & match) {
bfad->msix_tab[bfad->nvec].msix.entry = i;
bfad->msix_tab[bfad->nvec].bfad = bfad;
msix_entries[bfad->nvec].entry = i;
bfad->nvec++;
}
match <<= 1;
}
}
int
bfad_install_msix_handler(struct bfad_s *bfad)
{
int i, error = 0;
for (i = 0; i < bfad->nvec; i++) {
error = request_irq(bfad->msix_tab[i].msix.vector,
(irq_handler_t) bfad_msix, 0,
BFAD_DRIVER_NAME, &bfad->msix_tab[i]);
bfa_trc(bfad, i);
bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
if (error) {
int j;
for (j = 0; j < i; j++)
free_irq(bfad->msix_tab[j].msix.vector,
&bfad->msix_tab[j]);
return 1;
}
}
return 0;
}
/**
* Setup MSIX based interrupt.
*/
int
bfad_setup_intr(struct bfad_s *bfad)
{
int error = 0;
u32 mask = 0, i, num_bit = 0, max_bit = 0;
struct msix_entry msix_entries[MAX_MSIX_ENTRY];
/* Call BFA to get the msix map for this PCI function. */
bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
/* Set up the msix entry table */
bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
if (!msix_disable) {
error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec);
if (error) {
/*
* Only error number of vector is available.
* We don't have a mechanism to map multiple
* interrupts into one vector, so even if we
* can try to request less vectors, we don't
* know how to associate interrupt events to
* vectors. Linux doesn't dupicate vectors
* in the MSIX table for this case.
*/
printk(KERN_WARNING "bfad%d: "
"pci_enable_msix failed (%d),"
" use line based.\n", bfad->inst_no, error);
goto line_based;
}
/* Save the vectors */
for (i = 0; i < bfad->nvec; i++) {
bfa_trc(bfad, msix_entries[i].vector);
bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
}
bfa_msix_init(&bfad->bfa, bfad->nvec);
bfad->bfad_flags |= BFAD_MSIX_ON;
return error;
}
line_based:
error = 0;
if (request_irq
(bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS,
BFAD_DRIVER_NAME, bfad) != 0) {
/* Enable interrupt handler failed */
return 1;
}
return error;
}
void
bfad_remove_intr(struct bfad_s *bfad)
{
int i;
if (bfad->bfad_flags & BFAD_MSIX_ON) {
for (i = 0; i < bfad->nvec; i++)
free_irq(bfad->msix_tab[i].msix.vector,
&bfad->msix_tab[i]);
pci_disable_msix(bfad->pcidev);
bfad->bfad_flags &= ~BFAD_MSIX_ON;
} else {
free_irq(bfad->pcidev->irq, bfad);
}
}

42
drivers/scsi/bfa/bfad_ipfc.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_DRV_IPFC_H__
#define __BFA_DRV_IPFC_H__
#define IPFC_NAME ""
#define bfad_ipfc_module_init(x) do {} while (0)
#define bfad_ipfc_module_exit(x) do {} while (0)
#define bfad_ipfc_probe(x) do {} while (0)
#define bfad_ipfc_probe_undo(x) do {} while (0)
#define bfad_ipfc_port_config(x, y) BFA_STATUS_OK
#define bfad_ipfc_port_unconfig(x, y) do {} while (0)
#define bfad_ipfc_probe_post(x) do {} while (0)
#define bfad_ipfc_port_new(x, y, z) BFA_STATUS_OK
#define bfad_ipfc_port_delete(x, y) do {} while (0)
#define bfad_ipfc_port_online(x, y) do {} while (0)
#define bfad_ipfc_port_offline(x, y) do {} while (0)
#define bfad_ip_get_attr(x) BFA_STATUS_FAILED
#define bfad_ip_reset_drv_stats(x) BFA_STATUS_FAILED
#define bfad_ip_get_drv_stats(x, y) BFA_STATUS_FAILED
#define bfad_ip_enable_ipfc(x, y, z) BFA_STATUS_FAILED
#endif

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfad_os.c Linux driver OS specific calls.
*/
#include "bfa_os_inc.h"
#include "bfad_drv.h"
void
bfa_os_gettimeofday(struct bfa_timeval_s *tv)
{
struct timeval tmp_tv;
do_gettimeofday(&tmp_tv);
tv->tv_sec = (u32) tmp_tv.tv_sec;
tv->tv_usec = (u32) tmp_tv.tv_usec;
}
void
bfa_os_printf(struct bfa_log_mod_s *log_mod, u32 msg_id,
const char *fmt, ...)
{
va_list ap;
#define BFA_STRING_256 256
char tmp[BFA_STRING_256];
va_start(ap, fmt);
vsprintf(tmp, fmt, ap);
va_end(ap);
printk(tmp);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/*
* Brocade Fibre Channel HBA Linux Target Mode Driver
*/
/**
* tm/dummy/bfad_tm.h BFA callback dummy header file for BFA Linux target mode PCI interface module.
*/
#ifndef __BFAD_TM_H__
#define __BFAD_TM_H__
#include <defs/bfa_defs_status.h>
#define FCPT_NAME ""
/*
* Called from base Linux driver on (De)Init events
*/
/* attach tgt template with scst */
#define bfad_tm_module_init() do {} while (0)
/* detach/release tgt template */
#define bfad_tm_module_exit() do {} while (0)
#define bfad_tm_probe(x) do {} while (0)
#define bfad_tm_probe_undo(x) do {} while (0)
#define bfad_tm_probe_post(x) do {} while (0)
/*
* Called by base Linux driver but triggered by BFA FCS on config events
*/
#define bfad_tm_port_new(x, y) BFA_STATUS_OK
#define bfad_tm_port_delete(x, y) do {} while (0)
/*
* Called by base Linux driver but triggered by BFA FCS on PLOGI/O events
*/
#define bfad_tm_port_online(x, y) do {} while (0)
#define bfad_tm_port_offline(x, y) do {} while (0)
#endif

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* bfad_trcmod.h Linux driver trace modules
*/
#ifndef __BFAD_TRCMOD_H__
#define __BFAD_TRCMOD_H__
#include <cs/bfa_trc.h>
/*
* !!! Only append to the enums defined here to avoid any versioning
* !!! needed between trace utility and driver version
*/
enum {
/* 2.6 Driver */
BFA_TRC_LDRV_BFAD = 1,
BFA_TRC_LDRV_BFAD_2_6 = 2,
BFA_TRC_LDRV_BFAD_2_6_9 = 3,
BFA_TRC_LDRV_BFAD_2_6_10 = 4,
BFA_TRC_LDRV_INTR = 5,
BFA_TRC_LDRV_IOCTL = 6,
BFA_TRC_LDRV_OS = 7,
BFA_TRC_LDRV_IM = 8,
BFA_TRC_LDRV_IM_2_6 = 9,
BFA_TRC_LDRV_IM_2_6_9 = 10,
BFA_TRC_LDRV_IM_2_6_10 = 11,
BFA_TRC_LDRV_TM = 12,
BFA_TRC_LDRV_IPFC = 13,
BFA_TRC_LDRV_IM_2_4 = 14,
BFA_TRC_LDRV_IM_VMW = 15,
BFA_TRC_LDRV_IM_LT_2_6_10 = 16,
};
#endif /* __BFAD_TRCMOD_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfa_svc.h>
#include "fcs_lport.h"
#include "fcs_rport.h"
#include "lport_priv.h"
/**
* fab.c port fab implementation.
*/
/**
* bfa_fcs_port_fab_public port fab public functions
*/
/**
* Called by port to initialize fabric services of the base port.
*/
void
bfa_fcs_port_fab_init(struct bfa_fcs_port_s *port)
{
bfa_fcs_port_ns_init(port);
bfa_fcs_port_scn_init(port);
bfa_fcs_port_ms_init(port);
}
/**
* Called by port to notify transition to online state.
*/
void
bfa_fcs_port_fab_online(struct bfa_fcs_port_s *port)
{
bfa_fcs_port_ns_online(port);
bfa_fcs_port_scn_online(port);
}
/**
* Called by port to notify transition to offline state.
*/
void
bfa_fcs_port_fab_offline(struct bfa_fcs_port_s *port)
{
bfa_fcs_port_ns_offline(port);
bfa_fcs_port_scn_offline(port);
bfa_fcs_port_ms_offline(port);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/*
* fcbuild.h - FC link service frame building and parsing routines
*/
#ifndef __FCBUILD_H__
#define __FCBUILD_H__
#include <bfa_os_inc.h>
#include <protocol/fc.h>
#include <protocol/fcp.h>
#include <protocol/ct.h>
#include <defs/bfa_defs_port.h>
#include <defs/bfa_defs_pport.h>
/*
* Utility Macros/functions
*/
#define fcif_sof_set(_ifhdr, _sof) (_ifhdr)->sof = FC_ ## _sof
#define fcif_eof_set(_ifhdr, _eof) (_ifhdr)->eof = FC_ ## _eof
#define wwn_is_equal(_wwn1, _wwn2) \
(memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0)
#define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1))
/*
* Given the fc response length, this routine will return
* the length of the actual payload bytes following the CT header.
*
* Assumes the input response length does not include the crc, eof, etc.
*/
static inline u32
fc_get_ctresp_pyld_len(u32 resp_len)
{
return (resp_len - sizeof(struct ct_hdr_s));
}
/*
* Convert bfa speed to rpsc speed value.
*/
static inline enum bfa_pport_speed
fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed_s speed)
{
switch (speed) {
case RPSC_OP_SPEED_1G:
return BFA_PPORT_SPEED_1GBPS;
case RPSC_OP_SPEED_2G:
return BFA_PPORT_SPEED_2GBPS;
case RPSC_OP_SPEED_4G:
return BFA_PPORT_SPEED_4GBPS;
case RPSC_OP_SPEED_8G:
return BFA_PPORT_SPEED_8GBPS;
default:
return BFA_PPORT_SPEED_UNKNOWN;
}
}
/*
* Convert RPSC speed to bfa speed value.
*/
static inline enum fc_rpsc_op_speed_s
fc_bfa_speed_to_rpsc_operspeed(enum bfa_pport_speed op_speed)
{
switch (op_speed) {
case BFA_PPORT_SPEED_1GBPS:
return RPSC_OP_SPEED_1G;
case BFA_PPORT_SPEED_2GBPS:
return RPSC_OP_SPEED_2G;
case BFA_PPORT_SPEED_4GBPS:
return RPSC_OP_SPEED_4G;
case BFA_PPORT_SPEED_8GBPS:
return RPSC_OP_SPEED_8G;
default:
return RPSC_OP_SPEED_NOT_EST;
}
}
enum fc_parse_status {
FC_PARSE_OK = 0,
FC_PARSE_FAILURE = 1,
FC_PARSE_BUSY = 2,
FC_PARSE_LEN_INVAL,
FC_PARSE_ACC_INVAL,
FC_PARSE_PWWN_NOT_EQUAL,
FC_PARSE_NWWN_NOT_EQUAL,
FC_PARSE_RXSZ_INVAL,
FC_PARSE_NOT_FCP,
FC_PARSE_OPAFLAG_INVAL,
FC_PARSE_RPAFLAG_INVAL,
FC_PARSE_OPA_INVAL,
FC_PARSE_RPA_INVAL,
};
struct fc_templates_s {
struct fchs_s fc_els_req;
struct fchs_s fc_bls_req;
struct fc_logi_s plogi;
struct fc_rrq_s rrq;
};
void fcbuild_init(void);
u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
u32 s_id, u16 ox_id, wwn_t port_name,
wwn_t node_name, u16 pdu_size, u8 set_npiv,
u8 set_auth, u16 local_bb_credits);
u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi,
u32 s_id, u16 ox_id, wwn_t port_name,
wwn_t node_name, u16 pdu_size);
u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
u32 s_id, u16 ox_id, wwn_t port_name,
wwn_t node_name, u16 pdu_size,
u16 local_bb_credits);
u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id, wwn_t port_name,
wwn_t node_name, u16 pdu_size);
enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs);
u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id,
u16 ox_id);
enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len);
u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id,
u32 s_id, u16 ox_id, u16 rrq_oxid);
enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len);
u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
u16 ox_id, u8 *name);
u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id,
u16 ox_id, enum bfa_port_role role);
u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 ox_id, u8 *fc4_bitmap,
u32 bitmap_size);
u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 ox_id, u8 fc4_type, u8 fc4_ftrs);
u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 ox_id, wwn_t port_name);
u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
u16 ox_id, u32 port_id);
u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr,
u8 set_br_reg, u32 s_id, u16 ox_id);
u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id,
wwn_t port_name, wwn_t node_name, u16 pdu_size);
u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
u32 d_id, u32 s_id, u16 ox_id,
wwn_t port_name, wwn_t node_name);
enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld,
u32 host_dap,
wwn_t node_name, wwn_t port_name);
enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len,
wwn_t port_name, wwn_t node_name);
u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
u32 d_id, u32 s_id, u16 ox_id,
wwn_t port_name, wwn_t node_name);
u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt,
u32 d_id, u32 s_id, u16 ox_id,
u8 reason_code, u8 reason_code_expl);
u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd,
u32 d_id, u32 s_id, u16 ox_id);
u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id);
enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len);
u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id,
enum bfa_port_role role);
u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid,
u32 d_id, u32 s_id, u16 ox_id,
u32 data_format);
u16 fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc,
u32 d_id, u32 s_id, u16 ox_id,
u32 data_format,
struct fc_rnid_common_id_data_s *common_id_data,
struct fc_rnid_general_topology_data_s *
gen_topo_data);
u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c,
u32 d_id, u32 s_id,
u32 *pid_list, u16 npids);
u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc,
u32 d_id, u32 s_id, u16 ox_id);
u16 fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc,
u32 d_id, u32 s_id, u16 ox_id,
struct fc_rpsc_speed_info_s *oper_speed);
u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id,
u8 fc4_type);
u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, wwn_t port_name);
u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, wwn_t node_name);
u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, u32 cos);
u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, u8 port_type);
u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id);
u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo,
u32 d_id, u32 s_id, u16 ox_id,
wwn_t port_name);
u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id);
u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 cmd_code);
u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id,
wwn_t wwn);
u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id,
wwn_t wwn);
void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask);
void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id);
enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len);
enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len,
wwn_t port_name);
enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli);
enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name,
wwn_t port_name);
u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc,
u32 d_id, u32 s_id, u16 ox_id,
u16 rx_id);
int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code);
u16 fc_tprlo_acc_build(struct fchs_s *fchs,
struct fc_tprlo_acc_s *tprlo_acc,
u32 d_id, u32 s_id, u16 ox_id,
int num_pages);
u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc,
u32 d_id, u32 s_id, u16 ox_id,
int num_pages);
u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len);
u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id, wwn_t port_name, wwn_t node_name,
u16 pdu_size);
u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name);
u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id, int num_pages);
u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len);
u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id, int num_pages,
enum fc_tprlo_type tprlo_type, u32 tpr_id);
u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len);
u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id, u32 reason_code,
u32 reason_expl);
u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 ox_id, u32 port_id);
u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr);
u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn,
u32 s_id, u16 ox_id);
#endif

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcpim.c - FCP initiator mode i-t nexus state machine
*/
#include <bfa.h>
#include <bfa_svc.h>
#include "fcs_fcpim.h"
#include "fcs_rport.h"
#include "fcs_lport.h"
#include "fcs_trcmod.h"
#include "fcs_fcxp.h"
#include "fcs.h"
#include <fcs/bfa_fcs_fcpim.h>
#include <fcb/bfa_fcb_fcpim.h>
#include <aen/bfa_aen_itnim.h>
BFA_TRC_FILE(FCS, FCPIM);
/*
* forward declarations
*/
static void bfa_fcs_itnim_timeout(void *arg);
static void bfa_fcs_itnim_free(struct bfa_fcs_itnim_s *itnim);
static void bfa_fcs_itnim_send_prli(void *itnim_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_itnim_prli_response(void *fcsarg,
struct bfa_fcxp_s *fcxp,
void *cbarg,
bfa_status_t req_status,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rsp_fchs);
static void bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim,
enum bfa_itnim_aen_event event);
/**
* fcs_itnim_sm FCS itnim state machine events
*/
enum bfa_fcs_itnim_event {
BFA_FCS_ITNIM_SM_ONLINE = 1, /* rport online event */
BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */
BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */
BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */
BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */
BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */
BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */
BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */
BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */
BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */
BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */
};
static void bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static void bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static void bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static void bfa_fcs_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static void bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static void bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static void bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static void bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event);
static struct bfa_sm_table_s itnim_sm_table[] = {
{BFA_SM(bfa_fcs_itnim_sm_offline), BFA_ITNIM_OFFLINE},
{BFA_SM(bfa_fcs_itnim_sm_prli_send), BFA_ITNIM_PRLI_SEND},
{BFA_SM(bfa_fcs_itnim_sm_prli), BFA_ITNIM_PRLI_SENT},
{BFA_SM(bfa_fcs_itnim_sm_prli_retry), BFA_ITNIM_PRLI_RETRY},
{BFA_SM(bfa_fcs_itnim_sm_hcb_online), BFA_ITNIM_HCB_ONLINE},
{BFA_SM(bfa_fcs_itnim_sm_online), BFA_ITNIM_ONLINE},
{BFA_SM(bfa_fcs_itnim_sm_hcb_offline), BFA_ITNIM_HCB_OFFLINE},
{BFA_SM(bfa_fcs_itnim_sm_initiator), BFA_ITNIM_INITIATIOR},
};
/**
* fcs_itnim_sm FCS itnim state machine
*/
static void
bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_ONLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send);
bfa_fcs_itnim_send_prli(itnim, NULL);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_FRMSENT:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_RSP_OK:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_online);
bfa_itnim_online(itnim->bfa_itnim, itnim->seq_rec);
break;
case BFA_FCS_ITNIM_SM_RSP_ERROR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_retry);
bfa_timer_start(itnim->fcs->bfa, &itnim->timer,
bfa_fcs_itnim_timeout, itnim,
BFA_FCS_RETRY_TIMEOUT);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_discard(itnim->fcxp);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
/*
* dont discard fcxp. accept will reach same state
*/
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_discard(itnim->fcxp);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_TIMEOUT:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send);
bfa_fcs_itnim_send_prli(itnim, NULL);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_timer_stop(&itnim->timer);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
bfa_timer_stop(&itnim->timer);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_timer_stop(&itnim->timer);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_HCB_ONLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_online);
bfa_fcb_itnim_online(itnim->itnim_drv);
bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_ONLINE);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_itnim_offline(itnim->bfa_itnim);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_offline);
bfa_fcb_itnim_offline(itnim->itnim_drv);
bfa_itnim_offline(itnim->bfa_itnim);
if (bfa_fcs_port_is_online(itnim->rport->port) == BFA_TRUE) {
bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_DISCONNECT);
} else {
bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_OFFLINE);
}
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_HCB_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
/*
* This state is set when a discovered rport is also in intiator mode.
* This ITN is marked as no_op and is not active and will not be truned into
* online state.
*/
static void
bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_RSP_ERROR:
case BFA_FCS_ITNIM_SM_ONLINE:
case BFA_FCS_ITNIM_SM_INITIATOR:
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
/**
* itnim_private FCS ITNIM private interfaces
*/
static void
bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim,
enum bfa_itnim_aen_event event)
{
struct bfa_fcs_rport_s *rport = itnim->rport;
union bfa_aen_data_u aen_data;
struct bfa_log_mod_s *logmod = rport->fcs->logm;
wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port);
wwn_t rpwwn = rport->pwwn;
char lpwwn_ptr[BFA_STRING_32];
char rpwwn_ptr[BFA_STRING_32];
/*
* Don't post events for well known addresses
*/
if (BFA_FCS_PID_IS_WKA(rport->pid))
return;
wwn2str(lpwwn_ptr, lpwwn);
wwn2str(rpwwn_ptr, rpwwn);
switch (event) {
case BFA_ITNIM_AEN_ONLINE:
bfa_log(logmod, BFA_AEN_ITNIM_ONLINE, rpwwn_ptr, lpwwn_ptr);
break;
case BFA_ITNIM_AEN_OFFLINE:
bfa_log(logmod, BFA_AEN_ITNIM_OFFLINE, rpwwn_ptr, lpwwn_ptr);
break;
case BFA_ITNIM_AEN_DISCONNECT:
bfa_log(logmod, BFA_AEN_ITNIM_DISCONNECT, rpwwn_ptr, lpwwn_ptr);
break;
default:
break;
}
aen_data.itnim.vf_id = rport->port->fabric->vf_id;
aen_data.itnim.ppwwn =
bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(itnim->fcs));
aen_data.itnim.lpwwn = lpwwn;
aen_data.itnim.rpwwn = rpwwn;
}
static void
bfa_fcs_itnim_send_prli(void *itnim_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_itnim_s *itnim = itnim_cbarg;
struct bfa_fcs_rport_s *rport = itnim->rport;
struct bfa_fcs_port_s *port = rport->port;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
int len;
bfa_trc(itnim->fcs, itnim->rport->pwwn);
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp) {
itnim->stats.fcxp_alloc_wait++;
bfa_fcxp_alloc_wait(port->fcs->bfa, &itnim->fcxp_wqe,
bfa_fcs_itnim_send_prli, itnim);
return;
}
itnim->fcxp = fcxp;
len = fc_prli_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), itnim->rport->pid,
bfa_fcs_port_get_fcid(port), 0);
bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs,
bfa_fcs_itnim_prli_response, (void *)itnim, FC_MAX_PDUSZ,
FC_RA_TOV);
itnim->stats.prli_sent++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_FRMSENT);
}
static void
bfa_fcs_itnim_prli_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
bfa_status_t req_status, u32 rsp_len,
u32 resid_len, struct fchs_s *rsp_fchs)
{
struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cbarg;
struct fc_els_cmd_s *els_cmd;
struct fc_prli_s *prli_resp;
struct fc_ls_rjt_s *ls_rjt;
struct fc_prli_params_s *sparams;
bfa_trc(itnim->fcs, req_status);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
itnim->stats.prli_rsp_err++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_ERROR);
return;
}
els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
if (els_cmd->els_code == FC_ELS_ACC) {
prli_resp = (struct fc_prli_s *) els_cmd;
if (fc_prli_rsp_parse(prli_resp, rsp_len) != FC_PARSE_OK) {
bfa_trc(itnim->fcs, rsp_len);
/*
* Check if this r-port is also in Initiator mode.
* If so, we need to set this ITN as a no-op.
*/
if (prli_resp->parampage.servparams.initiator) {
bfa_trc(itnim->fcs, prli_resp->parampage.type);
itnim->rport->scsi_function =
BFA_RPORT_INITIATOR;
itnim->stats.prli_rsp_acc++;
bfa_sm_send_event(itnim,
BFA_FCS_ITNIM_SM_INITIATOR);
return;
}
itnim->stats.prli_rsp_parse_err++;
return;
}
itnim->rport->scsi_function = BFA_RPORT_TARGET;
sparams = &prli_resp->parampage.servparams;
itnim->seq_rec = sparams->retry;
itnim->rec_support = sparams->rec_support;
itnim->task_retry_id = sparams->task_retry_id;
itnim->conf_comp = sparams->confirm;
itnim->stats.prli_rsp_acc++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_OK);
} else {
ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
bfa_trc(itnim->fcs, ls_rjt->reason_code);
bfa_trc(itnim->fcs, ls_rjt->reason_code_expl);
itnim->stats.prli_rsp_rjt++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_ERROR);
}
}
static void
bfa_fcs_itnim_timeout(void *arg)
{
struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)arg;
itnim->stats.timeout++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_TIMEOUT);
}
static void
bfa_fcs_itnim_free(struct bfa_fcs_itnim_s *itnim)
{
bfa_itnim_delete(itnim->bfa_itnim);
bfa_fcb_itnim_free(itnim->fcs->bfad, itnim->itnim_drv);
}
/**
* itnim_public FCS ITNIM public interfaces
*/
/**
* Called by rport when a new rport is created.
*
* @param[in] rport - remote port.
*/
struct bfa_fcs_itnim_s *
bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport)
{
struct bfa_fcs_port_s *port = rport->port;
struct bfa_fcs_itnim_s *itnim;
struct bfad_itnim_s *itnim_drv;
struct bfa_itnim_s *bfa_itnim;
/*
* call bfad to allocate the itnim
*/
bfa_fcb_itnim_alloc(port->fcs->bfad, &itnim, &itnim_drv);
if (itnim == NULL) {
bfa_trc(port->fcs, rport->pwwn);
return NULL;
}
/*
* Initialize itnim
*/
itnim->rport = rport;
itnim->fcs = rport->fcs;
itnim->itnim_drv = itnim_drv;
/*
* call BFA to create the itnim
*/
bfa_itnim = bfa_itnim_create(port->fcs->bfa, rport->bfa_rport, itnim);
if (bfa_itnim == NULL) {
bfa_trc(port->fcs, rport->pwwn);
bfa_fcb_itnim_free(port->fcs->bfad, itnim_drv);
bfa_assert(0);
return NULL;
}
itnim->bfa_itnim = bfa_itnim;
itnim->seq_rec = BFA_FALSE;
itnim->rec_support = BFA_FALSE;
itnim->conf_comp = BFA_FALSE;
itnim->task_retry_id = BFA_FALSE;
/*
* Set State machine
*/
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
return itnim;
}
/**
* Called by rport to delete the instance of FCPIM.
*
* @param[in] rport - remote port.
*/
void
bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim)
{
bfa_trc(itnim->fcs, itnim->rport->pid);
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_DELETE);
}
/**
* Notification from rport that PLOGI is complete to initiate FC-4 session.
*/
void
bfa_fcs_itnim_rport_online(struct bfa_fcs_itnim_s *itnim)
{
itnim->stats.onlines++;
if (!BFA_FCS_PID_IS_WKA(itnim->rport->pid)) {
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_ONLINE);
} else {
/*
* For well known addresses, we set the itnim to initiator
* state
*/
itnim->stats.initiator++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_INITIATOR);
}
}
/**
* Called by rport to handle a remote device offline.
*/
void
bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim)
{
itnim->stats.offlines++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_OFFLINE);
}
/**
* Called by rport when remote port is known to be an initiator from
* PRLI received.
*/
void
bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim)
{
bfa_trc(itnim->fcs, itnim->rport->pid);
itnim->stats.initiator++;
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_INITIATOR);
}
/**
* Called by rport to check if the itnim is online.
*/
bfa_status_t
bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim)
{
bfa_trc(itnim->fcs, itnim->rport->pid);
switch (bfa_sm_to_state(itnim_sm_table, itnim->sm)) {
case BFA_ITNIM_ONLINE:
case BFA_ITNIM_INITIATIOR:
return BFA_STATUS_OK;
default:
return BFA_STATUS_NO_FCPIM_NEXUS;
}
}
/**
* BFA completion callback for bfa_itnim_online().
*/
void
bfa_cb_itnim_online(void *cbarg)
{
struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cbarg;
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_HCB_ONLINE);
}
/**
* BFA completion callback for bfa_itnim_offline().
*/
void
bfa_cb_itnim_offline(void *cb_arg)
{
struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg;
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_HCB_OFFLINE);
}
/**
* Mark the beginning of PATH TOV handling. IO completion callbacks
* are still pending.
*/
void
bfa_cb_itnim_tov_begin(void *cb_arg)
{
struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg;
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_fcb_itnim_tov_begin(itnim->itnim_drv);
}
/**
* Mark the end of PATH TOV handling. All pending IOs are already cleaned up.
*/
void
bfa_cb_itnim_tov(void *cb_arg)
{
struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg;
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_fcb_itnim_tov(itnim->itnim_drv);
}
/**
* BFA notification to FCS/driver for second level error recovery.
*
* Atleast one I/O request has timedout and target is unresponsive to
* repeated abort requests. Second level error recovery should be initiated
* by starting implicit logout and recovery procedures.
*/
void
bfa_cb_itnim_sler(void *cb_arg)
{
struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg;
itnim->stats.sler++;
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_fcs_rport_logo_imp(itnim->rport);
}
struct bfa_fcs_itnim_s *
bfa_fcs_itnim_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn)
{
struct bfa_fcs_rport_s *rport;
rport = bfa_fcs_rport_lookup(port, rpwwn);
if (!rport)
return NULL;
bfa_assert(rport->itnim != NULL);
return (rport->itnim);
}
bfa_status_t
bfa_fcs_itnim_attr_get(struct bfa_fcs_port_s *port, wwn_t rpwwn,
struct bfa_itnim_attr_s *attr)
{
struct bfa_fcs_itnim_s *itnim = NULL;
itnim = bfa_fcs_itnim_lookup(port, rpwwn);
if (itnim == NULL)
return BFA_STATUS_NO_FCPIM_NEXUS;
attr->state = bfa_sm_to_state(itnim_sm_table, itnim->sm);
attr->retry = itnim->seq_rec;
attr->rec_support = itnim->rec_support;
attr->conf_comp = itnim->conf_comp;
attr->task_retry_id = itnim->task_retry_id;
return BFA_STATUS_OK;
}
bfa_status_t
bfa_fcs_itnim_stats_get(struct bfa_fcs_port_s *port, wwn_t rpwwn,
struct bfa_itnim_stats_s *stats)
{
struct bfa_fcs_itnim_s *itnim = NULL;
bfa_assert(port != NULL);
itnim = bfa_fcs_itnim_lookup(port, rpwwn);
if (itnim == NULL)
return BFA_STATUS_NO_FCPIM_NEXUS;
bfa_os_memcpy(stats, &itnim->stats, sizeof(struct bfa_itnim_stats_s));
return BFA_STATUS_OK;
}
bfa_status_t
bfa_fcs_itnim_stats_clear(struct bfa_fcs_port_s *port, wwn_t rpwwn)
{
struct bfa_fcs_itnim_s *itnim = NULL;
bfa_assert(port != NULL);
itnim = bfa_fcs_itnim_lookup(port, rpwwn);
if (itnim == NULL)
return BFA_STATUS_NO_FCPIM_NEXUS;
bfa_os_memset(&itnim->stats, 0, sizeof(struct bfa_itnim_stats_s));
return BFA_STATUS_OK;
}
void
bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, struct fchs_s *fchs,
u16 len)
{
struct fc_els_cmd_s *els_cmd;
bfa_trc(itnim->fcs, fchs->type);
if (fchs->type != FC_TYPE_ELS)
return;
els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
bfa_trc(itnim->fcs, els_cmd->els_code);
switch (els_cmd->els_code) {
case FC_ELS_PRLO:
/* bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_PRLO); */
break;
default:
bfa_assert(0);
}
}
void
bfa_fcs_itnim_pause(struct bfa_fcs_itnim_s *itnim)
{
}
void
bfa_fcs_itnim_resume(struct bfa_fcs_itnim_s *itnim)
{
}
/**
* Module initialization
*/
void
bfa_fcs_fcpim_modinit(struct bfa_fcs_s *fcs)
{
}
/**
* Module cleanup
*/
void
bfa_fcs_fcpim_modexit(struct bfa_fcs_s *fcs)
{
bfa_fcs_modexit_comp(fcs);
}

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* This file contains dummy FCPTM routines to aid in Initiator Mode only
* compilation of OS driver.
*
*/
#include "bfa_os_inc.h"
#include "fcs_rport.h"
#include "fcs_fcptm.h"
#include "fcs/bfa_fcs_rport.h"
struct bfa_fcs_tin_s *
bfa_fcs_tin_create(struct bfa_fcs_rport_s *rport)
{
return NULL;
}
void
bfa_fcs_tin_delete(struct bfa_fcs_tin_s *tin)
{
}
void
bfa_fcs_tin_rport_offline(struct bfa_fcs_tin_s *tin)
{
}
void
bfa_fcs_tin_rport_online(struct bfa_fcs_tin_s *tin)
{
}
void
bfa_fcs_tin_rx_prli(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs, u16 len)
{
}
void
bfa_fcs_fcptm_uf_recv(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs, u16 len)
{
}
void
bfa_fcs_tin_pause(struct bfa_fcs_tin_s *tin)
{
}
void
bfa_fcs_tin_resume(struct bfa_fcs_tin_s *tin)
{
}

30
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs.h FCS module functions
*/
#ifndef __FCS_H__
#define __FCS_H__
#define __fcs_min_cfg(__fcs) (__fcs)->min_cfg
void bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs);
#endif /* __FCS_H__ */

37
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_uf.h FCS unsolicited frame receive
*/
#ifndef __FCS_AUTH_H__
#define __FCS_AUTH_H__
#include <fcs/bfa_fcs.h>
#include <fcs/bfa_fcs_vport.h>
#include <fcs/bfa_fcs_lport.h>
/*
* fcs friend functions: only between fcs modules
*/
void bfa_fcs_auth_uf_recv(struct bfa_fcs_fabric_s *fabric, int len);
void bfa_fcs_auth_start(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_auth_stop(struct bfa_fcs_fabric_s *fabric);
#endif /* __FCS_UF_H__ */

61
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_lport.h FCS logical port interfaces
*/
#ifndef __FCS_FABRIC_H__
#define __FCS_FABRIC_H__
#include <fcs/bfa_fcs.h>
#include <fcs/bfa_fcs_vport.h>
#include <fcs/bfa_fcs_lport.h>
/*
* fcs friend functions: only between fcs modules
*/
void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs);
void bfa_fcs_fabric_modsusp(struct bfa_fcs_s *fcs);
void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
struct bfa_fcs_vport_s *vport);
void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric,
struct bfa_fcs_vport_s *vport);
int bfa_fcs_fabric_is_online(struct bfa_fcs_fabric_s *fabric);
struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup(
struct bfa_fcs_fabric_s *fabric, wwn_t pwwn);
void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs);
void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric,
struct fchs_s *fchs, u16 len);
u16 bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric);
bfa_boolean_t bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric);
enum bfa_pport_type bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric);
bfa_status_t bfa_fcs_fabric_addvf(struct bfa_fcs_fabric_s *vf,
struct bfa_fcs_s *fcs, struct bfa_port_cfg_s *port_cfg,
struct bfad_vf_s *vf_drv);
void bfa_fcs_auth_finished(struct bfa_fcs_fabric_s *fabric,
enum auth_status status);
void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
wwn_t fabric_name);
#endif /* __FCS_FABRIC_H__ */

44
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __FCS_FCPIM_H__
#define __FCS_FCPIM_H__
#include <defs/bfa_defs_port.h>
#include <fcs/bfa_fcs_lport.h>
#include <fcs/bfa_fcs_rport.h>
/*
* Following routines are from FCPIM and will be called by rport.
*/
struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport);
void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_rport_online(struct bfa_fcs_itnim_s *itnim);
bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_pause(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_resume(struct bfa_fcs_itnim_s *itnim);
/*
* Modudle init/cleanup routines.
*/
void bfa_fcs_fcpim_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_fcpim_modexit(struct bfa_fcs_s *fcs);
void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, struct fchs_s *fchs,
u16 len);
#endif /* __FCS_FCPIM_H__ */

45
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __FCS_FCPTM_H__
#define __FCS_FCPTM_H__
#include <defs/bfa_defs_port.h>
#include <fcs/bfa_fcs_lport.h>
#include <fcs/bfa_fcs_rport.h>
/*
* Following routines are from FCPTM and will be called by rport.
*/
struct bfa_fcs_tin_s *bfa_fcs_tin_create(struct bfa_fcs_rport_s *rport);
void bfa_fcs_tin_rport_offline(struct bfa_fcs_tin_s *tin);
void bfa_fcs_tin_rport_online(struct bfa_fcs_tin_s *tin);
void bfa_fcs_tin_delete(struct bfa_fcs_tin_s *tin);
void bfa_fcs_tin_rx_prli(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs,
u16 len);
void bfa_fcs_tin_pause(struct bfa_fcs_tin_s *tin);
void bfa_fcs_tin_resume(struct bfa_fcs_tin_s *tin);
/*
* Modudle init/cleanup routines.
*/
void bfa_fcs_fcptm_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_fcptm_modexit(struct bfa_fcs_s *fcs);
void bfa_fcs_fcptm_uf_recv(struct bfa_fcs_tin_s *tin, struct fchs_s *fchs,
u16 len);
#endif /* __FCS_FCPTM_H__ */

29
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_fcxp.h FCXP helper macros for FCS
*/
#ifndef __FCS_FCXP_H__
#define __FCS_FCXP_H__
#define bfa_fcs_fcxp_alloc(__fcs) \
bfa_fcxp_alloc(NULL, (__fcs)->bfa, 0, 0, NULL, NULL, NULL, NULL)
#endif /* __FCS_FCXP_H__ */

117
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_lport.h FCS logical port interfaces
*/
#ifndef __FCS_LPORT_H__
#define __FCS_LPORT_H__
#define __VPORT_H__
#include <defs/bfa_defs_port.h>
#include <bfa_svc.h>
#include <fcs/bfa_fcs_lport.h>
#include <fcs/bfa_fcs_rport.h>
#include <fcs/bfa_fcs_vport.h>
#include <fcs_fabric.h>
#include <fcs_ms.h>
#include <cs/bfa_q.h>
#include <fcbuild.h>
/*
* PID used in P2P/N2N ( In Big Endian)
*/
#define N2N_LOCAL_PID 0x010000
#define N2N_REMOTE_PID 0x020000
/*
* Misc Timeouts
*/
/*
* To be used when spawning a timer before retrying a failed command. Milli
* Secs.
*/
#define BFA_FCS_RETRY_TIMEOUT 2000
/*
* Check for Port/Vport Mode/Role
*/
#define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \
(port->port_cfg.roles & BFA_PORT_ROLE_FCP_IM)
#define BFA_FCS_VPORT_IS_TARGET_MODE(port) \
(port->port_cfg.roles & BFA_PORT_ROLE_FCP_TM)
#define BFA_FCS_VPORT_IS_IPFC_MODE(port) \
(port->port_cfg.roles & BFA_PORT_ROLE_FCP_IPFC)
/*
* Is this a Well Known Address
*/
#define BFA_FCS_PID_IS_WKA(pid) ((bfa_os_ntoh3b(pid) > 0xFFF000) ? 1 : 0)
/*
* Pointer to elements within Port
*/
#define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa)
#define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns)
#define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn)
#define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms)
#define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi)
/*
* handler for unsolicied frames
*/
void bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs,
u16 len);
/*
* Following routines will be called by Fabric to indicate port
* online/offline to vport.
*/
void bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
u16 vf_id, struct bfa_port_cfg_s *port_cfg,
struct bfa_fcs_vport_s *vport);
void bfa_fcs_port_online(struct bfa_fcs_port_s *port);
void bfa_fcs_port_offline(struct bfa_fcs_port_s *port);
void bfa_fcs_port_delete(struct bfa_fcs_port_s *port);
bfa_boolean_t bfa_fcs_port_is_online(struct bfa_fcs_port_s *port);
/*
* Lookup rport based on PID
*/
struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pid(
struct bfa_fcs_port_s *port, u32 pid);
/*
* Lookup rport based on PWWN
*/
struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pwwn(
struct bfa_fcs_port_s *port, wwn_t pwwn);
struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_nwwn(
struct bfa_fcs_port_s *port, wwn_t nwwn);
void bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port,
struct bfa_fcs_rport_s *rport);
void bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port,
struct bfa_fcs_rport_s *rport);
void bfa_fcs_port_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_port_modexit(struct bfa_fcs_s *fcs);
void bfa_fcs_port_lip(struct bfa_fcs_port_s *port);
#endif /* __FCS_LPORT_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_ms.h FCS ms interfaces
*/
#ifndef __FCS_MS_H__
#define __FCS_MS_H__
/* MS FCS routines */
void bfa_fcs_port_ms_init(struct bfa_fcs_port_s *port);
void bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port);
void bfa_fcs_port_ms_online(struct bfa_fcs_port_s *port);
void bfa_fcs_port_ms_fabric_rscn(struct bfa_fcs_port_s *port);
/* FDMI FCS routines */
void bfa_fcs_port_fdmi_init(struct bfa_fcs_port_ms_s *ms);
void bfa_fcs_port_fdmi_offline(struct bfa_fcs_port_ms_s *ms);
void bfa_fcs_port_fdmi_online(struct bfa_fcs_port_ms_s *ms);
#endif

32
drivers/scsi/bfa/fcs_port.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_pport.h FCS physical port interfaces
*/
#ifndef __FCS_PPORT_H__
#define __FCS_PPORT_H__
/*
* fcs friend functions: only between fcs modules
*/
void bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs);
#endif /* __FCS_PPORT_H__ */

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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_rport.h FCS rport interfaces and defines
*/
#ifndef __FCS_RPORT_H__
#define __FCS_RPORT_H__
#include <fcs/bfa_fcs_rport.h>
void bfa_fcs_rport_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_rport_modexit(struct bfa_fcs_s *fcs);
void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
u16 len);
void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport);
struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_port_s *port,
u32 pid);
void bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs,
struct fc_logi_s *plogi_rsp);
void bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port,
struct fchs_s *rx_fchs,
struct fc_logi_s *plogi);
void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
struct fc_logi_s *plogi);
void bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport);
int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport);
struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port,
wwn_t wwn);
/* Rport Features */
void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport);
#endif /* __FCS_RPORT_H__ */

56
drivers/scsi/bfa/fcs_trcmod.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_trcmod.h BFA FCS trace modules
*/
#ifndef __FCS_TRCMOD_H__
#define __FCS_TRCMOD_H__
#include <cs/bfa_trc.h>
/*
* !!! Only append to the enums defined here to avoid any versioning
* !!! needed between trace utility and driver version
*/
enum {
BFA_TRC_FCS_FABRIC = 1,
BFA_TRC_FCS_VFAPI = 2,
BFA_TRC_FCS_PORT = 3,
BFA_TRC_FCS_VPORT = 4,
BFA_TRC_FCS_VP_API = 5,
BFA_TRC_FCS_VPS = 6,
BFA_TRC_FCS_RPORT = 7,
BFA_TRC_FCS_FCPIM = 8,
BFA_TRC_FCS_FCPTM = 9,
BFA_TRC_FCS_NS = 10,
BFA_TRC_FCS_SCN = 11,
BFA_TRC_FCS_LOOP = 12,
BFA_TRC_FCS_UF = 13,
BFA_TRC_FCS_PPORT = 14,
BFA_TRC_FCS_FCPIP = 15,
BFA_TRC_FCS_PORT_API = 16,
BFA_TRC_FCS_RPORT_API = 17,
BFA_TRC_FCS_AUTH = 18,
BFA_TRC_FCS_N2N = 19,
BFA_TRC_FCS_MS = 20,
BFA_TRC_FCS_FDMI = 21,
BFA_TRC_FCS_RPORT_FTRS = 22,
};
#endif /* __FCS_TRCMOD_H__ */

32
drivers/scsi/bfa/fcs_uf.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* fcs_uf.h FCS unsolicited frame receive
*/
#ifndef __FCS_UF_H__
#define __FCS_UF_H__
/*
* fcs friend functions: only between fcs modules
*/
void bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs);
#endif /* __FCS_UF_H__ */

39
drivers/scsi/bfa/fcs_vport.h Normal file
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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __FCS_VPORT_H__
#define __FCS_VPORT_H__
#include <fcs/bfa_fcs_lport.h>
#include <fcs/bfa_fcs_vport.h>
#include <defs/bfa_defs_pci.h>
/*
* Modudle init/cleanup routines.
*/
void bfa_fcs_vport_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_vport_modexit(struct bfa_fcs_s *fcs);
void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport);
u32 bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs);
#endif /* __FCS_VPORT_H__ */

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