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linux_dsm_epyc7002/drivers/scsi/bfa/bfad_attr.c
Vijaya Mohan Guvva 22a08538dc [SCSI] bfa: Fix crash when symb name set for offline vport 
This patch fixes a crash when tried setting symbolic name for an offline
vport through sysfs. Crash is due to uninitialized pointer lport->ns,
which gets initialized only on linkup (port online).

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-12-03 06:56:49 -08:00

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/*
* Copyright (c) 2005-2010 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"
/*
* FC transport template entry, get SCSI target port ID.
*/
static 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 = dev_to_shost(starget->dev.parent);
im_port = (struct bfad_im_port_s *) shost->hostdata[0];
bfad = im_port->bfad;
spin_lock_irqsave(&bfad->bfad_lock, flags);
itnim = bfad_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.
*/
static 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 = dev_to_shost(starget->dev.parent);
im_port = (struct bfad_im_port_s *) shost->hostdata[0];
bfad = im_port->bfad;
spin_lock_irqsave(&bfad->bfad_lock, flags);
itnim = bfad_get_itnim(im_port, starget->id);
if (itnim)
node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);
fc_starget_node_name(starget) = cpu_to_be64(node_name);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
/*
* FC transport template entry, get SCSI target pwwn.
*/
static 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 = dev_to_shost(starget->dev.parent);
im_port = (struct bfad_im_port_s *) shost->hostdata[0];
bfad = im_port->bfad;
spin_lock_irqsave(&bfad->bfad_lock, flags);
itnim = bfad_get_itnim(im_port, starget->id);
if (itnim)
port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
fc_starget_port_name(starget) = cpu_to_be64(port_name);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
/*
* FC transport template entry, get SCSI host port ID.
*/
static 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_hton3b(bfa_fcs_lport_get_fcid(port->fcs_port));
}
/*
* 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_lport_attr_s port_attr;
bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
switch (port_attr.port_type) {
case BFA_PORT_TYPE_NPORT:
fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
break;
case BFA_PORT_TYPE_NLPORT:
fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
break;
case BFA_PORT_TYPE_P2P:
fc_host_port_type(shost) = FC_PORTTYPE_PTP;
break;
case BFA_PORT_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_port_attr_s attr;
bfa_fcport_get_attr(&bfad->bfa, &attr);
switch (attr.port_state) {
case BFA_PORT_ST_LINKDOWN:
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
break;
case BFA_PORT_ST_LINKUP:
fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
break;
case BFA_PORT_ST_DISABLED:
case BFA_PORT_ST_STOPPED:
case BFA_PORT_ST_IOCDOWN:
case BFA_PORT_ST_IOCDIS:
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
break;
case BFA_PORT_ST_UNINIT:
case BFA_PORT_ST_ENABLING_QWAIT:
case BFA_PORT_ST_ENABLING:
case BFA_PORT_ST_DISABLING_QWAIT:
case BFA_PORT_ST_DISABLING:
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_LPORT_ROLE_FCP_IM)
fc_host_active_fc4s(shost)[2] = 1;
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_port_attr_s attr;
bfa_fcport_get_attr(&bfad->bfa, &attr);
switch (attr.speed) {
case BFA_PORT_SPEED_10GBPS:
fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
break;
case BFA_PORT_SPEED_16GBPS:
fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
break;
case BFA_PORT_SPEED_8GBPS:
fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
break;
case BFA_PORT_SPEED_4GBPS:
fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
break;
case BFA_PORT_SPEED_2GBPS:
fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
break;
case BFA_PORT_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_lport_get_fabric_name(port->fcs_port);
fc_host_fabric_name(shost) = cpu_to_be64(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;
union bfa_port_stats_u *fcstats;
struct fc_host_statistics *hstats;
bfa_status_t rc;
unsigned long flags;
fcstats = kzalloc(sizeof(union bfa_port_stats_u), GFP_KERNEL);
if (fcstats == NULL)
return NULL;
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_port_get_stats(BFA_FCPORT(&bfad->bfa),
fcstats, bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (rc != BFA_STATUS_OK)
return NULL;
wait_for_completion(&fcomp.comp);
/* Fill the fc_host_statistics structure */
hstats->seconds_since_last_reset = fcstats->fc.secs_reset;
hstats->tx_frames = fcstats->fc.tx_frames;
hstats->tx_words = fcstats->fc.tx_words;
hstats->rx_frames = fcstats->fc.rx_frames;
hstats->rx_words = fcstats->fc.rx_words;
hstats->lip_count = fcstats->fc.lip_count;
hstats->nos_count = fcstats->fc.nos_count;
hstats->error_frames = fcstats->fc.error_frames;
hstats->dumped_frames = fcstats->fc.dropped_frames;
hstats->link_failure_count = fcstats->fc.link_failures;
hstats->loss_of_sync_count = fcstats->fc.loss_of_syncs;
hstats->loss_of_signal_count = fcstats->fc.loss_of_signals;
hstats->prim_seq_protocol_err_count = fcstats->fc.primseq_errs;
hstats->invalid_crc_count = fcstats->fc.invalid_crcs;
kfree(fcstats);
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_port_clear_stats(BFA_FCPORT(&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, set rport loss timeout.
* Update dev_loss_tmo based on the value pushed down by the stack
* In case it is lesser than path_tov of driver, set it to path_tov + 1
* to ensure that the driver times out before the application
*/
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;
uint16_t path_tov = bfa_fcpim_path_tov_get(&bfad->bfa);
rport->dev_loss_tmo = timeout;
if (timeout < path_tov)
rport->dev_loss_tmo = path_tov + 1;
}
static int
bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
{
char *vname = fc_vport->symbolic_name;
struct Scsi_Host *shost = fc_vport->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_lport_cfg_s port_cfg;
struct bfad_vport_s *vp;
int status = 0, rc;
unsigned long flags;
memset(&port_cfg, 0, sizeof(port_cfg));
u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
if (strlen(vname) > 0)
strcpy((char *)&port_cfg.sym_name, vname);
port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
spin_lock_irqsave(&bfad->bfad_lock, flags);
list_for_each_entry(vp, &bfad->pbc_vport_list, list_entry) {
if (port_cfg.pwwn ==
vp->fcs_vport.lport.port_cfg.pwwn) {
port_cfg.preboot_vp =
vp->fcs_vport.lport.port_cfg.preboot_vp;
break;
}
}
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
if (rc == BFA_STATUS_OK) {
struct bfad_vport_s *vport;
struct bfa_fcs_vport_s *fcs_vport;
struct Scsi_Host *vshost;
spin_lock_irqsave(&bfad->bfad_lock, flags);
fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
port_cfg.pwwn);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (fcs_vport == NULL)
return VPCERR_BAD_WWN;
fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
if (disable) {
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_fcs_vport_stop(fcs_vport);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
}
vport = fcs_vport->vport_drv;
vshost = vport->drv_port.im_port->shost;
fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
fc_host_supported_classes(vshost) = FC_COS_CLASS3;
memset(fc_host_supported_fc4s(vshost), 0,
sizeof(fc_host_supported_fc4s(vshost)));
/* For FCP type 0x08 */
if (supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
fc_host_supported_fc4s(vshost)[2] = 1;
/* For fibre channel services type 0x20 */
fc_host_supported_fc4s(vshost)[7] = 1;
fc_host_supported_speeds(vshost) =
bfad_im_supported_speeds(&bfad->bfa);
fc_host_maxframe_size(vshost) =
bfa_fcport_get_maxfrsize(&bfad->bfa);
fc_vport->dd_data = vport;
vport->drv_port.im_port->fc_vport = fc_vport;
} else if (rc == BFA_STATUS_INVALID_WWN)
return VPCERR_BAD_WWN;
else if (rc == BFA_STATUS_VPORT_EXISTS)
return VPCERR_BAD_WWN;
else if (rc == BFA_STATUS_VPORT_MAX)
return VPCERR_NO_FABRIC_SUPP;
else if (rc == BFA_STATUS_VPORT_WWN_BP)
return VPCERR_BAD_WWN;
else
return FC_VPORT_FAILED;
return status;
}
int
bfad_im_issue_fc_host_lip(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;
uint32_t status;
init_completion(&fcomp.comp);
spin_lock_irqsave(&bfad->bfad_lock, flags);
status = bfa_port_disable(&bfad->bfa.modules.port,
bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (status != BFA_STATUS_OK)
return -EIO;
wait_for_completion(&fcomp.comp);
if (fcomp.status != BFA_STATUS_OK)
return -EIO;
spin_lock_irqsave(&bfad->bfad_lock, flags);
status = bfa_port_enable(&bfad->bfa.modules.port,
bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (status != BFA_STATUS_OK)
return -EIO;
wait_for_completion(&fcomp.comp);
if (fcomp.status != BFA_STATUS_OK)
return -EIO;
return 0;
}
static int
bfad_im_vport_delete(struct fc_vport *fc_vport)
{
struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) vport->drv_port.im_port;
struct bfad_s *bfad = im_port->bfad;
struct bfad_port_s *port;
struct bfa_fcs_vport_s *fcs_vport;
struct Scsi_Host *vshost;
wwn_t pwwn;
int rc;
unsigned long flags;
struct completion fcomp;
if (im_port->flags & BFAD_PORT_DELETE) {
bfad_scsi_host_free(bfad, im_port);
list_del(&vport->list_entry);
kfree(vport);
return 0;
}
port = im_port->port;
vshost = vport->drv_port.im_port->shost;
u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
spin_lock_irqsave(&bfad->bfad_lock, flags);
fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (fcs_vport == NULL)
return VPCERR_BAD_WWN;
vport->drv_port.flags |= BFAD_PORT_DELETE;
vport->comp_del = &fcomp;
init_completion(vport->comp_del);
spin_lock_irqsave(&bfad->bfad_lock, flags);
rc = bfa_fcs_vport_delete(&vport->fcs_vport);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (rc == BFA_STATUS_PBC) {
vport->drv_port.flags &= ~BFAD_PORT_DELETE;
vport->comp_del = NULL;
return -1;
}
wait_for_completion(vport->comp_del);
bfad_scsi_host_free(bfad, im_port);
list_del(&vport->list_entry);
kfree(vport);
return 0;
}
static int
bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
{
struct bfad_vport_s *vport;
struct bfad_s *bfad;
struct bfa_fcs_vport_s *fcs_vport;
struct Scsi_Host *vshost;
wwn_t pwwn;
unsigned long flags;
vport = (struct bfad_vport_s *)fc_vport->dd_data;
bfad = vport->drv_port.bfad;
vshost = vport->drv_port.im_port->shost;
u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
spin_lock_irqsave(&bfad->bfad_lock, flags);
fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (fcs_vport == NULL)
return VPCERR_BAD_WWN;
if (disable) {
bfa_fcs_vport_stop(fcs_vport);
fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
} else {
bfa_fcs_vport_start(fcs_vport);
fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
}
return 0;
}
void
bfad_im_vport_set_symbolic_name(struct fc_vport *fc_vport)
{
struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *)vport->drv_port.im_port;
struct bfad_s *bfad = im_port->bfad;
struct Scsi_Host *vshost = vport->drv_port.im_port->shost;
char *sym_name = fc_vport->symbolic_name;
struct bfa_fcs_vport_s *fcs_vport;
wwn_t pwwn;
unsigned long flags;
u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
spin_lock_irqsave(&bfad->bfad_lock, flags);
fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (fcs_vport == NULL)
return;
spin_lock_irqsave(&bfad->bfad_lock, flags);
if (strlen(sym_name) > 0)
bfa_fcs_lport_set_symname(&fcs_vport->lport, sym_name);
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,
.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
.issue_fc_host_lip = bfad_im_issue_fc_host_lip,
.vport_create = bfad_im_vport_create,
.vport_delete = bfad_im_vport_delete,
.vport_disable = bfad_im_vport_disable,
.set_vport_symbolic_name = bfad_im_vport_set_symbolic_name,
.bsg_request = bfad_im_bsg_request,
.bsg_timeout = bfad_im_bsg_timeout,
};
struct fc_function_template bfad_im_vport_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,
.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;
char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
return snprintf(buf, PAGE_SIZE, "%s\n", 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;
char model[BFA_ADAPTER_MODEL_NAME_LEN];
bfa_get_adapter_model(&bfad->bfa, model);
return snprintf(buf, PAGE_SIZE, "%s\n", 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;
char model[BFA_ADAPTER_MODEL_NAME_LEN];
char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
int nports = 0;
bfa_get_adapter_model(&bfad->bfa, model);
nports = bfa_get_nports(&bfad->bfa);
if (!strcmp(model, "Brocade-425"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 4Gbps PCIe dual port FC HBA");
else if (!strcmp(model, "Brocade-825"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 8Gbps PCIe dual port FC HBA");
else if (!strcmp(model, "Brocade-42B"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 4Gbps PCIe dual port FC HBA for HP");
else if (!strcmp(model, "Brocade-82B"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 8Gbps PCIe dual port FC HBA for HP");
else if (!strcmp(model, "Brocade-1010"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 10Gbps single port CNA");
else if (!strcmp(model, "Brocade-1020"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 10Gbps dual port CNA");
else if (!strcmp(model, "Brocade-1007"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 10Gbps CNA for IBM Blade Center");
else if (!strcmp(model, "Brocade-415"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 4Gbps PCIe single port FC HBA");
else if (!strcmp(model, "Brocade-815"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 8Gbps PCIe single port FC HBA");
else if (!strcmp(model, "Brocade-41B"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 4Gbps PCIe single port FC HBA for HP");
else if (!strcmp(model, "Brocade-81B"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 8Gbps PCIe single port FC HBA for HP");
else if (!strcmp(model, "Brocade-804"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 8Gbps FC HBA for HP Bladesystem C-class");
else if (!strcmp(model, "Brocade-1741"))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 10Gbps CNA for Dell M-Series Blade Servers");
else if (strstr(model, "Brocade-1860")) {
if (nports == 1 && bfa_ioc_is_cna(&bfad->bfa.ioc))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 10Gbps single port CNA");
else if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 16Gbps PCIe single port FC HBA");
else if (nports == 2 && bfa_ioc_is_cna(&bfad->bfa.ioc))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 10Gbps dual port CNA");
else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 16Gbps PCIe dual port FC HBA");
} else if (!strcmp(model, "Brocade-1867")) {
if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 16Gbps PCIe single port FC HBA for IBM");
else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Brocade 16Gbps PCIe dual port FC HBA for IBM");
} else
snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
"Invalid Model");
return snprintf(buf, PAGE_SIZE, "%s\n", 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_lport_get_nwwn(port->fcs_port);
return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(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_lport_attr_s port_attr;
char symname[BFA_SYMNAME_MAXLEN];
bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
strncpy(symname, port_attr.port_cfg.sym_name.symname,
BFA_SYMNAME_MAXLEN);
return snprintf(buf, PAGE_SIZE, "%s\n", symname);
}
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;
char hw_ver[BFA_VERSION_LEN];
bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
return snprintf(buf, PAGE_SIZE, "%s\n", 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;
char optrom_ver[BFA_VERSION_LEN];
bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
return snprintf(buf, PAGE_SIZE, "%s\n", 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;
char fw_ver[BFA_VERSION_LEN];
bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
return snprintf(buf, PAGE_SIZE, "%s\n", 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;
return snprintf(buf, PAGE_SIZE, "%d\n",
bfa_get_nports(&bfad->bfa));
}
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;
struct bfa_rport_qualifier_s *rports = NULL;
unsigned long flags;
rports = kzalloc(sizeof(struct bfa_rport_qualifier_s) * nrports,
GFP_ATOMIC);
if (rports == NULL)
return snprintf(buf, PAGE_SIZE, "Failed\n");
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_fcs_lport_get_rport_quals(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,
};
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