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linux_dsm_epyc7002/drivers/scsi/lpfc/lpfc_ct.c
James.Smart@Emulex.Com 0bd4ca25ad [SCSI] lpfc: Fix eh_ return codes for commands 
Return FAILED from eh_ routines if command(s) is(are) not completed

There were scenarios where we may have returned from the error
handlers prior to all affected commands being flushed to the midlayer.
Add changes to ensure this doesn't happen.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-29 10:31:48 -05:00

1236 lines
34 KiB
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/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2005 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of version 2 of the GNU General *
* Public License as published by the Free Software Foundation. *
* This program is distributed in the hope that it will be useful. *
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
* TO BE LEGALLY INVALID. See the GNU General Public License for *
* more details, a copy of which can be found in the file COPYING *
* included with this package. *
*******************************************************************/
/*
* Fibre Channel SCSI LAN Device Driver CT support
*/
#include <linux/blkdev.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/utsname.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_version.h"
#define HBA_PORTSPEED_UNKNOWN 0 /* Unknown - transceiver
* incapable of reporting */
#define HBA_PORTSPEED_1GBIT 1 /* 1 GBit/sec */
#define HBA_PORTSPEED_2GBIT 2 /* 2 GBit/sec */
#define HBA_PORTSPEED_4GBIT 8 /* 4 GBit/sec */
#define HBA_PORTSPEED_8GBIT 16 /* 8 GBit/sec */
#define HBA_PORTSPEED_10GBIT 4 /* 10 GBit/sec */
#define HBA_PORTSPEED_NOT_NEGOTIATED 5 /* Speed not established */
#define FOURBYTES 4
static char *lpfc_release_version = LPFC_DRIVER_VERSION;
/*
* lpfc_ct_unsol_event
*/
void
lpfc_ct_unsol_event(struct lpfc_hba * phba,
struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocbq)
{
struct lpfc_iocbq *next_piocbq;
struct lpfc_dmabuf *pmbuf = NULL;
struct lpfc_dmabuf *matp, *next_matp;
uint32_t ctx = 0, size = 0, cnt = 0;
IOCB_t *icmd = &piocbq->iocb;
IOCB_t *save_icmd = icmd;
int i, go_exit = 0;
struct list_head head;
if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
/* Not enough posted buffers; Try posting more buffers */
phba->fc_stat.NoRcvBuf++;
lpfc_post_buffer(phba, pring, 0, 1);
return;
}
/* If there are no BDEs associated with this IOCB,
* there is nothing to do.
*/
if (icmd->ulpBdeCount == 0)
return;
INIT_LIST_HEAD(&head);
list_add_tail(&head, &piocbq->list);
list_for_each_entry_safe(piocbq, next_piocbq, &head, list) {
icmd = &piocbq->iocb;
if (ctx == 0)
ctx = (uint32_t) (icmd->ulpContext);
if (icmd->ulpBdeCount == 0)
continue;
for (i = 0; i < icmd->ulpBdeCount; i++) {
matp = lpfc_sli_ringpostbuf_get(phba, pring,
getPaddr(icmd->un.
cont64[i].
addrHigh,
icmd->un.
cont64[i].
addrLow));
if (!matp) {
/* Insert lpfc log message here */
lpfc_post_buffer(phba, pring, cnt, 1);
go_exit = 1;
goto ct_unsol_event_exit_piocbq;
}
/* Typically for Unsolicited CT requests */
if (!pmbuf) {
pmbuf = matp;
INIT_LIST_HEAD(&pmbuf->list);
} else
list_add_tail(&matp->list, &pmbuf->list);
size += icmd->un.cont64[i].tus.f.bdeSize;
cnt++;
}
icmd->ulpBdeCount = 0;
}
lpfc_post_buffer(phba, pring, cnt, 1);
if (save_icmd->ulpStatus) {
go_exit = 1;
}
ct_unsol_event_exit_piocbq:
if (pmbuf) {
list_for_each_entry_safe(matp, next_matp, &pmbuf->list, list) {
lpfc_mbuf_free(phba, matp->virt, matp->phys);
list_del(&matp->list);
kfree(matp);
}
lpfc_mbuf_free(phba, pmbuf->virt, pmbuf->phys);
kfree(pmbuf);
}
return;
}
static void
lpfc_free_ct_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mlist)
{
struct lpfc_dmabuf *mlast, *next_mlast;
list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
list_del(&mlast->list);
kfree(mlast);
}
lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
kfree(mlist);
return;
}
static struct lpfc_dmabuf *
lpfc_alloc_ct_rsp(struct lpfc_hba * phba, int cmdcode, struct ulp_bde64 * bpl,
uint32_t size, int *entries)
{
struct lpfc_dmabuf *mlist = NULL;
struct lpfc_dmabuf *mp;
int cnt, i = 0;
/* We get chucks of FCELSSIZE */
cnt = size > FCELSSIZE ? FCELSSIZE: size;
while (size) {
/* Allocate buffer for rsp payload */
mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (!mp) {
if (mlist)
lpfc_free_ct_rsp(phba, mlist);
return NULL;
}
INIT_LIST_HEAD(&mp->list);
if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT))
mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
else
mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
if (!mp->virt) {
kfree(mp);
lpfc_free_ct_rsp(phba, mlist);
return NULL;
}
/* Queue it to a linked list */
if (!mlist)
mlist = mp;
else
list_add_tail(&mp->list, &mlist->list);
bpl->tus.f.bdeFlags = BUFF_USE_RCV;
/* build buffer ptr list for IOCB */
bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) );
bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) );
bpl->tus.f.bdeSize = (uint16_t) cnt;
bpl->tus.w = le32_to_cpu(bpl->tus.w);
bpl++;
i++;
size -= cnt;
}
*entries = i;
return mlist;
}
static int
lpfc_gen_req(struct lpfc_hba *phba, struct lpfc_dmabuf *bmp,
struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *),
struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
uint32_t tmo)
{
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
IOCB_t *icmd;
struct lpfc_iocbq *geniocb;
/* Allocate buffer for command iocb */
spin_lock_irq(phba->host->host_lock);
geniocb = lpfc_sli_get_iocbq(phba);
spin_unlock_irq(phba->host->host_lock);
if (geniocb == NULL)
return 1;
icmd = &geniocb->iocb;
icmd->un.genreq64.bdl.ulpIoTag32 = 0;
icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
if (usr_flg)
geniocb->context3 = NULL;
else
geniocb->context3 = (uint8_t *) bmp;
/* Save for completion so we can release these resources */
geniocb->context1 = (uint8_t *) inp;
geniocb->context2 = (uint8_t *) outp;
/* Fill in payload, bp points to frame payload */
icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
/* Fill in rest of iocb */
icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
icmd->un.genreq64.w5.hcsw.Dfctl = 0;
icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
if (!tmo)
tmo = (2 * phba->fc_ratov) + 1;
icmd->ulpTimeout = tmo;
icmd->ulpBdeCount = 1;
icmd->ulpLe = 1;
icmd->ulpClass = CLASS3;
icmd->ulpContext = ndlp->nlp_rpi;
/* Issue GEN REQ IOCB for NPORT <did> */
lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
"%d:0119 Issue GEN REQ IOCB for NPORT x%x "
"Data: x%x x%x\n", phba->brd_no, icmd->un.ulpWord[5],
icmd->ulpIoTag, phba->hba_state);
geniocb->iocb_cmpl = cmpl;
geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
spin_lock_irq(phba->host->host_lock);
if (lpfc_sli_issue_iocb(phba, pring, geniocb, 0) == IOCB_ERROR) {
lpfc_sli_release_iocbq(phba, geniocb);
spin_unlock_irq(phba->host->host_lock);
return 1;
}
spin_unlock_irq(phba->host->host_lock);
return 0;
}
static int
lpfc_ct_cmd(struct lpfc_hba *phba, struct lpfc_dmabuf *inmp,
struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *),
uint32_t rsp_size)
{
struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
struct lpfc_dmabuf *outmp;
int cnt = 0, status;
int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
CommandResponse.bits.CmdRsp;
bpl++; /* Skip past ct request */
/* Put buffer(s) for ct rsp in bpl */
outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
if (!outmp)
return -ENOMEM;
status = lpfc_gen_req(phba, bmp, inmp, outmp, cmpl, ndlp, 0,
cnt+1, 0);
if (status) {
lpfc_free_ct_rsp(phba, outmp);
return -ENOMEM;
}
return 0;
}
static int
lpfc_ns_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mp, uint32_t Size)
{
struct lpfc_sli_ct_request *Response =
(struct lpfc_sli_ct_request *) mp->virt;
struct lpfc_nodelist *ndlp = NULL;
struct lpfc_dmabuf *mlast, *next_mp;
uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
uint32_t Did;
uint32_t CTentry;
int Cnt;
struct list_head head;
lpfc_set_disctmo(phba);
Cnt = Size > FCELSSIZE ? FCELSSIZE : Size;
list_add_tail(&head, &mp->list);
list_for_each_entry_safe(mp, next_mp, &head, list) {
mlast = mp;
Size -= Cnt;
if (!ctptr)
ctptr = (uint32_t *) mlast->virt;
else
Cnt -= 16; /* subtract length of CT header */
/* Loop through entire NameServer list of DIDs */
while (Cnt) {
/* Get next DID from NameServer List */
CTentry = *ctptr++;
Did = ((be32_to_cpu(CTentry)) & Mask_DID);
ndlp = NULL;
if (Did != phba->fc_myDID) {
/* Check for rscn processing or not */
ndlp = lpfc_setup_disc_node(phba, Did);
}
/* Mark all node table entries that are in the
Nameserver */
if (ndlp) {
/* NameServer Rsp */
lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
"%d:0238 Process x%x NameServer"
" Rsp Data: x%x x%x x%x\n",
phba->brd_no,
Did, ndlp->nlp_flag,
phba->fc_flag,
phba->fc_rscn_id_cnt);
} else {
/* NameServer Rsp */
lpfc_printf_log(phba,
KERN_INFO,
LOG_DISCOVERY,
"%d:0239 Skip x%x NameServer "
"Rsp Data: x%x x%x x%x\n",
phba->brd_no,
Did, Size, phba->fc_flag,
phba->fc_rscn_id_cnt);
}
if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
goto nsout1;
Cnt -= sizeof (uint32_t);
}
ctptr = NULL;
}
nsout1:
list_del(&head);
/* Here we are finished in the case RSCN */
if (phba->hba_state == LPFC_HBA_READY) {
lpfc_els_flush_rscn(phba);
spin_lock_irq(phba->host->host_lock);
phba->fc_flag |= FC_RSCN_MODE; /* we are still in RSCN mode */
spin_unlock_irq(phba->host->host_lock);
}
return 0;
}
static void
lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
struct lpfc_iocbq * rspiocb)
{
IOCB_t *irsp;
struct lpfc_sli *psli;
struct lpfc_dmabuf *bmp;
struct lpfc_dmabuf *inp;
struct lpfc_dmabuf *outp;
struct lpfc_nodelist *ndlp;
struct lpfc_sli_ct_request *CTrsp;
psli = &phba->sli;
/* we pass cmdiocb to state machine which needs rspiocb as well */
cmdiocb->context_un.rsp_iocb = rspiocb;
inp = (struct lpfc_dmabuf *) cmdiocb->context1;
outp = (struct lpfc_dmabuf *) cmdiocb->context2;
bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
irsp = &rspiocb->iocb;
if (irsp->ulpStatus) {
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_ABORTED))) {
goto out;
}
/* Check for retry */
if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
phba->fc_ns_retry++;
/* CT command is being retried */
ndlp =
lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
NameServer_DID);
if (ndlp) {
if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) ==
0) {
goto out;
}
}
}
} else {
/* Good status, continue checking */
CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
if (CTrsp->CommandResponse.bits.CmdRsp ==
be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
lpfc_ns_rsp(phba, outp,
(uint32_t) (irsp->un.genreq64.bdl.bdeSize));
} else if (CTrsp->CommandResponse.bits.CmdRsp ==
be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
/* NameServer Rsp Error */
lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
"%d:0240 NameServer Rsp Error "
"Data: x%x x%x x%x x%x\n",
phba->brd_no,
CTrsp->CommandResponse.bits.CmdRsp,
(uint32_t) CTrsp->ReasonCode,
(uint32_t) CTrsp->Explanation,
phba->fc_flag);
} else {
/* NameServer Rsp Error */
lpfc_printf_log(phba,
KERN_INFO,
LOG_DISCOVERY,
"%d:0241 NameServer Rsp Error "
"Data: x%x x%x x%x x%x\n",
phba->brd_no,
CTrsp->CommandResponse.bits.CmdRsp,
(uint32_t) CTrsp->ReasonCode,
(uint32_t) CTrsp->Explanation,
phba->fc_flag);
}
}
/* Link up / RSCN discovery */
lpfc_disc_start(phba);
out:
lpfc_free_ct_rsp(phba, outp);
lpfc_mbuf_free(phba, inp->virt, inp->phys);
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
kfree(inp);
kfree(bmp);
spin_lock_irq(phba->host->host_lock);
lpfc_sli_release_iocbq(phba, cmdiocb);
spin_unlock_irq(phba->host->host_lock);
return;
}
static void
lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
struct lpfc_iocbq * rspiocb)
{
struct lpfc_sli *psli;
struct lpfc_dmabuf *bmp;
struct lpfc_dmabuf *inp;
struct lpfc_dmabuf *outp;
IOCB_t *irsp;
struct lpfc_sli_ct_request *CTrsp;
psli = &phba->sli;
/* we pass cmdiocb to state machine which needs rspiocb as well */
cmdiocb->context_un.rsp_iocb = rspiocb;
inp = (struct lpfc_dmabuf *) cmdiocb->context1;
outp = (struct lpfc_dmabuf *) cmdiocb->context2;
bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
irsp = &rspiocb->iocb;
CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
"%d:0209 RFT request completes ulpStatus x%x "
"CmdRsp x%x\n", phba->brd_no, irsp->ulpStatus,
CTrsp->CommandResponse.bits.CmdRsp);
lpfc_free_ct_rsp(phba, outp);
lpfc_mbuf_free(phba, inp->virt, inp->phys);
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
kfree(inp);
kfree(bmp);
spin_lock_irq(phba->host->host_lock);
lpfc_sli_release_iocbq(phba, cmdiocb);
spin_unlock_irq(phba->host->host_lock);
return;
}
static void
lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
struct lpfc_iocbq * rspiocb)
{
lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
return;
}
static void
lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
struct lpfc_iocbq * rspiocb)
{
lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
return;
}
void
lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp)
{
char fwrev[16];
lpfc_decode_firmware_rev(phba, fwrev, 0);
if (phba->Port[0]) {
sprintf(symbp, "Emulex %s Port %s FV%s DV%s", phba->ModelName,
phba->Port, fwrev, lpfc_release_version);
} else {
sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName,
fwrev, lpfc_release_version);
}
}
/*
* lpfc_ns_cmd
* Description:
* Issue Cmd to NameServer
* SLI_CTNS_GID_FT
* LI_CTNS_RFT_ID
*/
int
lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
{
struct lpfc_dmabuf *mp, *bmp;
struct lpfc_sli_ct_request *CtReq;
struct ulp_bde64 *bpl;
void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *) = NULL;
uint32_t rsp_size = 1024;
/* fill in BDEs for command */
/* Allocate buffer for command payload */
mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
if (!mp)
goto ns_cmd_exit;
INIT_LIST_HEAD(&mp->list);
mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
if (!mp->virt)
goto ns_cmd_free_mp;
/* Allocate buffer for Buffer ptr list */
bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
if (!bmp)
goto ns_cmd_free_mpvirt;
INIT_LIST_HEAD(&bmp->list);
bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
if (!bmp->virt)
goto ns_cmd_free_bmp;
/* NameServer Req */
lpfc_printf_log(phba,
KERN_INFO,
LOG_DISCOVERY,
"%d:0236 NameServer Req Data: x%x x%x x%x\n",
phba->brd_no, cmdcode, phba->fc_flag,
phba->fc_rscn_id_cnt);
bpl = (struct ulp_bde64 *) bmp->virt;
memset(bpl, 0, sizeof(struct ulp_bde64));
bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) );
bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) );
bpl->tus.f.bdeFlags = 0;
if (cmdcode == SLI_CTNS_GID_FT)
bpl->tus.f.bdeSize = GID_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_RFT_ID)
bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_RNN_ID)
bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_RSNN_NN)
bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
else
bpl->tus.f.bdeSize = 0;
bpl->tus.w = le32_to_cpu(bpl->tus.w);
CtReq = (struct lpfc_sli_ct_request *) mp->virt;
memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
CtReq->RevisionId.bits.InId = 0;
CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
CtReq->CommandResponse.bits.Size = 0;
switch (cmdcode) {
case SLI_CTNS_GID_FT:
CtReq->CommandResponse.bits.CmdRsp =
be16_to_cpu(SLI_CTNS_GID_FT);
CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
if (phba->hba_state < LPFC_HBA_READY)
phba->hba_state = LPFC_NS_QRY;
lpfc_set_disctmo(phba);
cmpl = lpfc_cmpl_ct_cmd_gid_ft;
rsp_size = FC_MAX_NS_RSP;
break;
case SLI_CTNS_RFT_ID:
CtReq->CommandResponse.bits.CmdRsp =
be16_to_cpu(SLI_CTNS_RFT_ID);
CtReq->un.rft.PortId = be32_to_cpu(phba->fc_myDID);
CtReq->un.rft.fcpReg = 1;
cmpl = lpfc_cmpl_ct_cmd_rft_id;
break;
case SLI_CTNS_RNN_ID:
CtReq->CommandResponse.bits.CmdRsp =
be16_to_cpu(SLI_CTNS_RNN_ID);
CtReq->un.rnn.PortId = be32_to_cpu(phba->fc_myDID);
memcpy(CtReq->un.rnn.wwnn, &phba->fc_nodename,
sizeof (struct lpfc_name));
cmpl = lpfc_cmpl_ct_cmd_rnn_id;
break;
case SLI_CTNS_RSNN_NN:
CtReq->CommandResponse.bits.CmdRsp =
be16_to_cpu(SLI_CTNS_RSNN_NN);
memcpy(CtReq->un.rsnn.wwnn, &phba->fc_nodename,
sizeof (struct lpfc_name));
lpfc_get_hba_sym_node_name(phba, CtReq->un.rsnn.symbname);
CtReq->un.rsnn.len = strlen(CtReq->un.rsnn.symbname);
cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
break;
}
if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, rsp_size))
/* On success, The cmpl function will free the buffers */
return 0;
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
ns_cmd_free_bmp:
kfree(bmp);
ns_cmd_free_mpvirt:
lpfc_mbuf_free(phba, mp->virt, mp->phys);
ns_cmd_free_mp:
kfree(mp);
ns_cmd_exit:
return 1;
}
static void
lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba * phba,
struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb)
{
struct lpfc_dmabuf *bmp = cmdiocb->context3;
struct lpfc_dmabuf *inp = cmdiocb->context1;
struct lpfc_dmabuf *outp = cmdiocb->context2;
struct lpfc_sli_ct_request *CTrsp = outp->virt;
struct lpfc_sli_ct_request *CTcmd = inp->virt;
struct lpfc_nodelist *ndlp;
uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
/* FDMI rsp failed */
lpfc_printf_log(phba,
KERN_INFO,
LOG_DISCOVERY,
"%d:0220 FDMI rsp failed Data: x%x\n",
phba->brd_no,
be16_to_cpu(fdmi_cmd));
}
switch (be16_to_cpu(fdmi_cmd)) {
case SLI_MGMT_RHBA:
lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RPA);
break;
case SLI_MGMT_RPA:
break;
case SLI_MGMT_DHBA:
lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DPRT);
break;
case SLI_MGMT_DPRT:
lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RHBA);
break;
}
lpfc_free_ct_rsp(phba, outp);
lpfc_mbuf_free(phba, inp->virt, inp->phys);
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
kfree(inp);
kfree(bmp);
spin_lock_irq(phba->host->host_lock);
lpfc_sli_release_iocbq(phba, cmdiocb);
spin_unlock_irq(phba->host->host_lock);
return;
}
int
lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
{
struct lpfc_dmabuf *mp, *bmp;
struct lpfc_sli_ct_request *CtReq;
struct ulp_bde64 *bpl;
uint32_t size;
REG_HBA *rh;
PORT_ENTRY *pe;
REG_PORT_ATTRIBUTE *pab;
ATTRIBUTE_BLOCK *ab;
ATTRIBUTE_ENTRY *ae;
void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
/* fill in BDEs for command */
/* Allocate buffer for command payload */
mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
if (!mp)
goto fdmi_cmd_exit;
mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
if (!mp->virt)
goto fdmi_cmd_free_mp;
/* Allocate buffer for Buffer ptr list */
bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
if (!bmp)
goto fdmi_cmd_free_mpvirt;
bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
if (!bmp->virt)
goto fdmi_cmd_free_bmp;
INIT_LIST_HEAD(&mp->list);
INIT_LIST_HEAD(&bmp->list);
/* FDMI request */
lpfc_printf_log(phba,
KERN_INFO,
LOG_DISCOVERY,
"%d:0218 FDMI Request Data: x%x x%x x%x\n",
phba->brd_no,
phba->fc_flag, phba->hba_state, cmdcode);
CtReq = (struct lpfc_sli_ct_request *) mp->virt;
memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
CtReq->RevisionId.bits.InId = 0;
CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
size = 0;
switch (cmdcode) {
case SLI_MGMT_RHBA:
{
lpfc_vpd_t *vp = &phba->vpd;
uint32_t i, j, incr;
int len;
CtReq->CommandResponse.bits.CmdRsp =
be16_to_cpu(SLI_MGMT_RHBA);
CtReq->CommandResponse.bits.Size = 0;
rh = (REG_HBA *) & CtReq->un.PortID;
memcpy(&rh->hi.PortName, &phba->fc_sparam.portName,
sizeof (struct lpfc_name));
/* One entry (port) per adapter */
rh->rpl.EntryCnt = be32_to_cpu(1);
memcpy(&rh->rpl.pe, &phba->fc_sparam.portName,
sizeof (struct lpfc_name));
/* point to the HBA attribute block */
size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
ab->EntryCnt = 0;
/* Point to the beginning of the first HBA attribute
entry */
/* #1 HBA attribute entry */
size += FOURBYTES;
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES
+ sizeof (struct lpfc_name));
memcpy(&ae->un.NodeName, &phba->fc_sparam.nodeName,
sizeof (struct lpfc_name));
ab->EntryCnt++;
size += FOURBYTES + sizeof (struct lpfc_name);
/* #2 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
strcpy(ae->un.Manufacturer, "Emulex Corporation");
len = strlen(ae->un.Manufacturer);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #3 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
strcpy(ae->un.SerialNumber, phba->SerialNumber);
len = strlen(ae->un.SerialNumber);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #4 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(MODEL);
strcpy(ae->un.Model, phba->ModelName);
len = strlen(ae->un.Model);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #5 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
strcpy(ae->un.ModelDescription, phba->ModelDesc);
len = strlen(ae->un.ModelDescription);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #6 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
/* Convert JEDEC ID to ascii for hardware version */
incr = vp->rev.biuRev;
for (i = 0; i < 8; i++) {
j = (incr & 0xf);
if (j <= 9)
ae->un.HardwareVersion[7 - i] =
(char)((uint8_t) 0x30 +
(uint8_t) j);
else
ae->un.HardwareVersion[7 - i] =
(char)((uint8_t) 0x61 +
(uint8_t) (j - 10));
incr = (incr >> 4);
}
ab->EntryCnt++;
size += FOURBYTES + 8;
/* #7 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
strcpy(ae->un.DriverVersion, lpfc_release_version);
len = strlen(ae->un.DriverVersion);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #8 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
len = strlen(ae->un.OptionROMVersion);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #9 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1);
len = strlen(ae->un.FirmwareVersion);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #10 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
sprintf(ae->un.OsNameVersion, "%s %s %s",
system_utsname.sysname, system_utsname.release,
system_utsname.version);
len = strlen(ae->un.OsNameVersion);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
ab->EntryCnt++;
size += FOURBYTES + len;
/* #11 HBA attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
ae->un.MaxCTPayloadLen = (65 * 4096);
ab->EntryCnt++;
size += FOURBYTES + 4;
ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
/* Total size */
size = GID_REQUEST_SZ - 4 + size;
}
break;
case SLI_MGMT_RPA:
{
lpfc_vpd_t *vp;
struct serv_parm *hsp;
int len;
vp = &phba->vpd;
CtReq->CommandResponse.bits.CmdRsp =
be16_to_cpu(SLI_MGMT_RPA);
CtReq->CommandResponse.bits.Size = 0;
pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
size = sizeof (struct lpfc_name) + FOURBYTES;
memcpy((uint8_t *) & pab->PortName,
(uint8_t *) & phba->fc_sparam.portName,
sizeof (struct lpfc_name));
pab->ab.EntryCnt = 0;
/* #1 Port attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
ae->un.SupportFC4Types[2] = 1;
ae->un.SupportFC4Types[7] = 1;
pab->ab.EntryCnt++;
size += FOURBYTES + 32;
/* #2 Port attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
if (FC_JEDEC_ID(vp->rev.biuRev) == VIPER_JEDEC_ID)
ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
else if (FC_JEDEC_ID(vp->rev.biuRev) == HELIOS_JEDEC_ID)
ae->un.SupportSpeed = HBA_PORTSPEED_4GBIT;
else if ((FC_JEDEC_ID(vp->rev.biuRev) ==
CENTAUR_2G_JEDEC_ID)
|| (FC_JEDEC_ID(vp->rev.biuRev) ==
PEGASUS_JEDEC_ID)
|| (FC_JEDEC_ID(vp->rev.biuRev) ==
THOR_JEDEC_ID))
ae->un.SupportSpeed = HBA_PORTSPEED_2GBIT;
else
ae->un.SupportSpeed = HBA_PORTSPEED_1GBIT;
pab->ab.EntryCnt++;
size += FOURBYTES + 4;
/* #3 Port attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
switch(phba->fc_linkspeed) {
case LA_1GHZ_LINK:
ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
break;
case LA_2GHZ_LINK:
ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
break;
case LA_4GHZ_LINK:
ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
break;
default:
ae->un.PortSpeed =
HBA_PORTSPEED_UNKNOWN;
break;
}
pab->ab.EntryCnt++;
size += FOURBYTES + 4;
/* #4 Port attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
hsp = (struct serv_parm *) & phba->fc_sparam;
ae->un.MaxFrameSize =
(((uint32_t) hsp->cmn.
bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
bbRcvSizeLsb;
pab->ab.EntryCnt++;
size += FOURBYTES + 4;
/* #5 Port attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
len = strlen((char *)ae->un.OsDeviceName);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
pab->ab.EntryCnt++;
size += FOURBYTES + len;
if (phba->cfg_fdmi_on == 2) {
/* #6 Port attribute entry */
ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
size);
ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
sprintf(ae->un.HostName, "%s",
system_utsname.nodename);
len = strlen(ae->un.HostName);
len += (len & 3) ? (4 - (len & 3)) : 4;
ae->ad.bits.AttrLen =
be16_to_cpu(FOURBYTES + len);
pab->ab.EntryCnt++;
size += FOURBYTES + len;
}
pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
/* Total size */
size = GID_REQUEST_SZ - 4 + size;
}
break;
case SLI_MGMT_DHBA:
CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
CtReq->CommandResponse.bits.Size = 0;
pe = (PORT_ENTRY *) & CtReq->un.PortID;
memcpy((uint8_t *) & pe->PortName,
(uint8_t *) & phba->fc_sparam.portName,
sizeof (struct lpfc_name));
size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
break;
case SLI_MGMT_DPRT:
CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
CtReq->CommandResponse.bits.Size = 0;
pe = (PORT_ENTRY *) & CtReq->un.PortID;
memcpy((uint8_t *) & pe->PortName,
(uint8_t *) & phba->fc_sparam.portName,
sizeof (struct lpfc_name));
size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
break;
}
bpl = (struct ulp_bde64 *) bmp->virt;
bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) );
bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) );
bpl->tus.f.bdeFlags = 0;
bpl->tus.f.bdeSize = size;
bpl->tus.w = le32_to_cpu(bpl->tus.w);
cmpl = lpfc_cmpl_ct_cmd_fdmi;
if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP))
return 0;
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
fdmi_cmd_free_bmp:
kfree(bmp);
fdmi_cmd_free_mpvirt:
lpfc_mbuf_free(phba, mp->virt, mp->phys);
fdmi_cmd_free_mp:
kfree(mp);
fdmi_cmd_exit:
/* Issue FDMI request failed */
lpfc_printf_log(phba,
KERN_INFO,
LOG_DISCOVERY,
"%d:0244 Issue FDMI request failed Data: x%x\n",
phba->brd_no,
cmdcode);
return 1;
}
void
lpfc_fdmi_tmo(unsigned long ptr)
{
struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
unsigned long iflag;
spin_lock_irqsave(phba->host->host_lock, iflag);
if (!(phba->work_hba_events & WORKER_FDMI_TMO)) {
phba->work_hba_events |= WORKER_FDMI_TMO;
if (phba->work_wait)
wake_up(phba->work_wait);
}
spin_unlock_irqrestore(phba->host->host_lock,iflag);
}
void
lpfc_fdmi_tmo_handler(struct lpfc_hba *phba)
{
struct lpfc_nodelist *ndlp;
spin_lock_irq(phba->host->host_lock);
if (!(phba->work_hba_events & WORKER_FDMI_TMO)) {
spin_unlock_irq(phba->host->host_lock);
return;
}
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
if (ndlp) {
if (system_utsname.nodename[0] != '\0') {
lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
} else {
mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
}
}
spin_unlock_irq(phba->host->host_lock);
return;
}
void
lpfc_decode_firmware_rev(struct lpfc_hba * phba, char *fwrevision, int flag)
{
struct lpfc_sli *psli = &phba->sli;
lpfc_vpd_t *vp = &phba->vpd;
uint32_t b1, b2, b3, b4, i, rev;
char c;
uint32_t *ptr, str[4];
uint8_t *fwname;
if (vp->rev.rBit) {
if (psli->sli_flag & LPFC_SLI2_ACTIVE)
rev = vp->rev.sli2FwRev;
else
rev = vp->rev.sli1FwRev;
b1 = (rev & 0x0000f000) >> 12;
b2 = (rev & 0x00000f00) >> 8;
b3 = (rev & 0x000000c0) >> 6;
b4 = (rev & 0x00000030) >> 4;
switch (b4) {
case 0:
c = 'N';
break;
case 1:
c = 'A';
break;
case 2:
c = 'B';
break;
default:
c = 0;
break;
}
b4 = (rev & 0x0000000f);
if (psli->sli_flag & LPFC_SLI2_ACTIVE)
fwname = vp->rev.sli2FwName;
else
fwname = vp->rev.sli1FwName;
for (i = 0; i < 16; i++)
if (fwname[i] == 0x20)
fwname[i] = 0;
ptr = (uint32_t*)fwname;
for (i = 0; i < 3; i++)
str[i] = be32_to_cpu(*ptr++);
if (c == 0) {
if (flag)
sprintf(fwrevision, "%d.%d%d (%s)",
b1, b2, b3, (char *)str);
else
sprintf(fwrevision, "%d.%d%d", b1,
b2, b3);
} else {
if (flag)
sprintf(fwrevision, "%d.%d%d%c%d (%s)",
b1, b2, b3, c,
b4, (char *)str);
else
sprintf(fwrevision, "%d.%d%d%c%d",
b1, b2, b3, c, b4);
}
} else {
rev = vp->rev.smFwRev;
b1 = (rev & 0xff000000) >> 24;
b2 = (rev & 0x00f00000) >> 20;
b3 = (rev & 0x000f0000) >> 16;
c = (rev & 0x0000ff00) >> 8;
b4 = (rev & 0x000000ff);
if (flag)
sprintf(fwrevision, "%d.%d%d%c%d ", b1,
b2, b3, c, b4);
else
sprintf(fwrevision, "%d.%d%d%c%d ", b1,
b2, b3, c, b4);
}
return;
}
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