davidlt/kernel-ark
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
40fa54226f
kernel-ark/drivers/scsi/lpfc/lpfc_ct.c
Eric Sesterhenn 0b3a82d391 [SCSI] lpfc: check before dereference in lpfc_ct.c 
If we fail to allocate mp->virt during the first while loop iteration,
mlist is still uninitialized, therefore we should check if before
dereferencing.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-10-25 15:12:34 -07:00

1239 lines
34 KiB
C
Raw Blame History

/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2006 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:
list_del(&head);
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);
if (mlist)
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) {
/* FC spec states we need 3 * ratov for CT requests */
tmo = (3 * phba->fc_ratov);
}
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);
/*
* The driver has cycled through all Nports in the RSCN payload.
* Complete the handling by cleaning up and marking the
* current driver state.
*/
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_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
"%d:0208 NameServer Rsp "
"Data: x%x\n",
phba->brd_no,
phba->fc_flag);
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);
sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName,
fwrev, lpfc_release_version);
return;
}
/*
* 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",
init_utsname()->sysname, init_utsname()->release,
init_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);
ae->un.SupportSpeed = 0;
if (phba->lmt & LMT_10Gb)
ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
if (phba->lmt & LMT_8Gb)
ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
if (phba->lmt & LMT_4Gb)
ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
if (phba->lmt & LMT_2Gb)
ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
if (phba->lmt & LMT_1Gb)
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",
init_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;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
if (ndlp) {
if (init_utsname()->nodename[0] != '\0') {
lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
} else {
mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
}
}
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;
}
Reference in New Issue View Git Blame Copy Permalink