[SCSI] lpfc 8.3.5: fix fcp command polling, add FIP mode, performance optimisations and devloss timout fixes
This patch includes the following changes: - Fixed Panic/Hang when using polling mode for fcp commands - Added support for Read_rev mbox bits indicating FIP mode of HBA - Optimize performance of slow-path handling of els responses - Add code to cleanup orphaned unsolicited receive sequences - Fixed Devloss timeout when multiple initiators are in same zone Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart
committed by
James Bottomley
James Bottomley
parent
0d87841997
commit
45ed119035
@@ -59,7 +59,9 @@ typedef enum _lpfc_iocb_type {
|
||||
static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *,
|
||||
uint32_t);
|
||||
static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *,
|
||||
uint8_t *, uint32_t *);
|
||||
uint8_t *, uint32_t *);
|
||||
static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *,
|
||||
struct lpfc_iocbq *);
|
||||
static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *,
|
||||
struct hbq_dmabuf *);
|
||||
static IOCB_t *
|
||||
@@ -2329,168 +2331,6 @@ void lpfc_poll_eratt(unsigned long ptr)
|
||||
return;
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_sli_poll_fcp_ring - Handle FCP ring completion in polling mode
|
||||
* @phba: Pointer to HBA context object.
|
||||
*
|
||||
* This function is called from lpfc_queuecommand, lpfc_poll_timeout,
|
||||
* lpfc_abort_handler and lpfc_slave_configure when FCP_RING_POLLING
|
||||
* is enabled.
|
||||
*
|
||||
* The caller does not hold any lock.
|
||||
* The function processes each response iocb in the response ring until it
|
||||
* finds an iocb with LE bit set and chains all the iocbs upto the iocb with
|
||||
* LE bit set. The function will call the completion handler of the command iocb
|
||||
* if the response iocb indicates a completion for a command iocb or it is
|
||||
* an abort completion.
|
||||
**/
|
||||
void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
|
||||
{
|
||||
struct lpfc_sli *psli = &phba->sli;
|
||||
struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING];
|
||||
IOCB_t *irsp = NULL;
|
||||
IOCB_t *entry = NULL;
|
||||
struct lpfc_iocbq *cmdiocbq = NULL;
|
||||
struct lpfc_iocbq rspiocbq;
|
||||
struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
|
||||
uint32_t status;
|
||||
uint32_t portRspPut, portRspMax;
|
||||
int type;
|
||||
uint32_t rsp_cmpl = 0;
|
||||
uint32_t ha_copy;
|
||||
unsigned long iflags;
|
||||
|
||||
pring->stats.iocb_event++;
|
||||
|
||||
/*
|
||||
* The next available response entry should never exceed the maximum
|
||||
* entries. If it does, treat it as an adapter hardware error.
|
||||
*/
|
||||
portRspMax = pring->numRiocb;
|
||||
portRspPut = le32_to_cpu(pgp->rspPutInx);
|
||||
if (unlikely(portRspPut >= portRspMax)) {
|
||||
lpfc_sli_rsp_pointers_error(phba, pring);
|
||||
return;
|
||||
}
|
||||
|
||||
rmb();
|
||||
while (pring->rspidx != portRspPut) {
|
||||
entry = lpfc_resp_iocb(phba, pring);
|
||||
if (++pring->rspidx >= portRspMax)
|
||||
pring->rspidx = 0;
|
||||
|
||||
lpfc_sli_pcimem_bcopy((uint32_t *) entry,
|
||||
(uint32_t *) &rspiocbq.iocb,
|
||||
phba->iocb_rsp_size);
|
||||
irsp = &rspiocbq.iocb;
|
||||
type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
|
||||
pring->stats.iocb_rsp++;
|
||||
rsp_cmpl++;
|
||||
|
||||
if (unlikely(irsp->ulpStatus)) {
|
||||
/* Rsp ring <ringno> error: IOCB */
|
||||
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
|
||||
"0326 Rsp Ring %d error: IOCB Data: "
|
||||
"x%x x%x x%x x%x x%x x%x x%x x%x\n",
|
||||
pring->ringno,
|
||||
irsp->un.ulpWord[0],
|
||||
irsp->un.ulpWord[1],
|
||||
irsp->un.ulpWord[2],
|
||||
irsp->un.ulpWord[3],
|
||||
irsp->un.ulpWord[4],
|
||||
irsp->un.ulpWord[5],
|
||||
*(uint32_t *)&irsp->un1,
|
||||
*((uint32_t *)&irsp->un1 + 1));
|
||||
}
|
||||
|
||||
switch (type) {
|
||||
case LPFC_ABORT_IOCB:
|
||||
case LPFC_SOL_IOCB:
|
||||
/*
|
||||
* Idle exchange closed via ABTS from port. No iocb
|
||||
* resources need to be recovered.
|
||||
*/
|
||||
if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
|
||||
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
||||
"0314 IOCB cmd 0x%x "
|
||||
"processed. Skipping "
|
||||
"completion",
|
||||
irsp->ulpCommand);
|
||||
break;
|
||||
}
|
||||
|
||||
spin_lock_irqsave(&phba->hbalock, iflags);
|
||||
cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
|
||||
&rspiocbq);
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
||||
if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
|
||||
(cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
|
||||
&rspiocbq);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
|
||||
char adaptermsg[LPFC_MAX_ADPTMSG];
|
||||
memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
|
||||
memcpy(&adaptermsg[0], (uint8_t *) irsp,
|
||||
MAX_MSG_DATA);
|
||||
dev_warn(&((phba->pcidev)->dev),
|
||||
"lpfc%d: %s\n",
|
||||
phba->brd_no, adaptermsg);
|
||||
} else {
|
||||
/* Unknown IOCB command */
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
||||
"0321 Unknown IOCB command "
|
||||
"Data: x%x, x%x x%x x%x x%x\n",
|
||||
type, irsp->ulpCommand,
|
||||
irsp->ulpStatus,
|
||||
irsp->ulpIoTag,
|
||||
irsp->ulpContext);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* The response IOCB has been processed. Update the ring
|
||||
* pointer in SLIM. If the port response put pointer has not
|
||||
* been updated, sync the pgp->rspPutInx and fetch the new port
|
||||
* response put pointer.
|
||||
*/
|
||||
writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx);
|
||||
|
||||
if (pring->rspidx == portRspPut)
|
||||
portRspPut = le32_to_cpu(pgp->rspPutInx);
|
||||
}
|
||||
|
||||
ha_copy = readl(phba->HAregaddr);
|
||||
ha_copy >>= (LPFC_FCP_RING * 4);
|
||||
|
||||
if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) {
|
||||
spin_lock_irqsave(&phba->hbalock, iflags);
|
||||
pring->stats.iocb_rsp_full++;
|
||||
status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4));
|
||||
writel(status, phba->CAregaddr);
|
||||
readl(phba->CAregaddr);
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
||||
}
|
||||
if ((ha_copy & HA_R0CE_RSP) &&
|
||||
(pring->flag & LPFC_CALL_RING_AVAILABLE)) {
|
||||
spin_lock_irqsave(&phba->hbalock, iflags);
|
||||
pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
|
||||
pring->stats.iocb_cmd_empty++;
|
||||
|
||||
/* Force update of the local copy of cmdGetInx */
|
||||
pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
|
||||
lpfc_sli_resume_iocb(phba, pring);
|
||||
|
||||
if ((pring->lpfc_sli_cmd_available))
|
||||
(pring->lpfc_sli_cmd_available) (phba, pring);
|
||||
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring
|
||||
@@ -2507,9 +2347,9 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
|
||||
* an abort completion. The function will call lpfc_sli_process_unsol_iocb
|
||||
* function if this is an unsolicited iocb.
|
||||
* This routine presumes LPFC_FCP_RING handling and doesn't bother
|
||||
* to check it explicitly. This function always returns 1.
|
||||
**/
|
||||
static int
|
||||
* to check it explicitly.
|
||||
*/
|
||||
int
|
||||
lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
|
||||
struct lpfc_sli_ring *pring, uint32_t mask)
|
||||
{
|
||||
@@ -2539,6 +2379,11 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
||||
return 1;
|
||||
}
|
||||
if (phba->fcp_ring_in_use) {
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
||||
return 1;
|
||||
} else
|
||||
phba->fcp_ring_in_use = 1;
|
||||
|
||||
rmb();
|
||||
while (pring->rspidx != portRspPut) {
|
||||
@@ -2609,10 +2454,6 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
|
||||
cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
|
||||
&rspiocbq);
|
||||
if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
|
||||
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
|
||||
(cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
|
||||
&rspiocbq);
|
||||
} else {
|
||||
spin_unlock_irqrestore(&phba->hbalock,
|
||||
iflag);
|
||||
(cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
|
||||
@@ -2620,7 +2461,6 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
|
||||
spin_lock_irqsave(&phba->hbalock,
|
||||
iflag);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case LPFC_UNSOL_IOCB:
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
||||
@@ -2680,6 +2520,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
|
||||
|
||||
}
|
||||
|
||||
phba->fcp_ring_in_use = 0;
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
||||
return rc;
|
||||
}
|
||||
@@ -3027,10 +2868,13 @@ lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba,
|
||||
struct lpfc_cq_event *cq_event;
|
||||
unsigned long iflag;
|
||||
|
||||
while (!list_empty(&phba->sli4_hba.sp_rspiocb_work_queue)) {
|
||||
spin_lock_irqsave(&phba->hbalock, iflag);
|
||||
phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
||||
while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
|
||||
/* Get the response iocb from the head of work queue */
|
||||
spin_lock_irqsave(&phba->hbalock, iflag);
|
||||
list_remove_head(&phba->sli4_hba.sp_rspiocb_work_queue,
|
||||
list_remove_head(&phba->sli4_hba.sp_queue_event,
|
||||
cq_event, struct lpfc_cq_event, list);
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
||||
|
||||
@@ -3038,7 +2882,12 @@ lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba,
|
||||
case CQE_CODE_COMPL_WQE:
|
||||
irspiocbq = container_of(cq_event, struct lpfc_iocbq,
|
||||
cq_event);
|
||||
lpfc_sli_sp_handle_rspiocb(phba, pring, irspiocbq);
|
||||
/* Translate ELS WCQE to response IOCBQ */
|
||||
irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba,
|
||||
irspiocbq);
|
||||
if (irspiocbq)
|
||||
lpfc_sli_sp_handle_rspiocb(phba, pring,
|
||||
irspiocbq);
|
||||
break;
|
||||
case CQE_CODE_RECEIVE:
|
||||
dmabuf = container_of(cq_event, struct hbq_dmabuf,
|
||||
@@ -4368,6 +4217,13 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
|
||||
phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev);
|
||||
if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev))
|
||||
phba->hba_flag |= HBA_FCOE_SUPPORT;
|
||||
|
||||
if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) ==
|
||||
LPFC_DCBX_CEE_MODE)
|
||||
phba->hba_flag |= HBA_FIP_SUPPORT;
|
||||
else
|
||||
phba->hba_flag &= ~HBA_FIP_SUPPORT;
|
||||
|
||||
if (phba->sli_rev != LPFC_SLI_REV4 ||
|
||||
!(phba->hba_flag & HBA_FCOE_SUPPORT)) {
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
|
||||
@@ -4541,10 +4397,6 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
|
||||
rc = -ENODEV;
|
||||
goto out_free_vpd;
|
||||
}
|
||||
if (phba->cfg_enable_fip)
|
||||
bf_set(lpfc_fip_flag, &phba->sli4_hba.sli4_flags, 1);
|
||||
else
|
||||
bf_set(lpfc_fip_flag, &phba->sli4_hba.sli4_flags, 0);
|
||||
|
||||
/* Set up all the queues to the device */
|
||||
rc = lpfc_sli4_queue_setup(phba);
|
||||
@@ -5905,7 +5757,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
|
||||
uint16_t xritag;
|
||||
struct ulp_bde64 *bpl = NULL;
|
||||
|
||||
fip = bf_get(lpfc_fip_flag, &phba->sli4_hba.sli4_flags);
|
||||
fip = phba->hba_flag & HBA_FIP_SUPPORT;
|
||||
/* The fcp commands will set command type */
|
||||
if (iocbq->iocb_flag & LPFC_IO_FCP)
|
||||
command_type = FCP_COMMAND;
|
||||
@@ -7046,8 +6898,18 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
|
||||
abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag;
|
||||
|
||||
spin_lock_irq(&phba->hbalock);
|
||||
if (abort_iotag != 0 && abort_iotag <= phba->sli.last_iotag)
|
||||
abort_iocb = phba->sli.iocbq_lookup[abort_iotag];
|
||||
if (phba->sli_rev < LPFC_SLI_REV4) {
|
||||
if (abort_iotag != 0 &&
|
||||
abort_iotag <= phba->sli.last_iotag)
|
||||
abort_iocb =
|
||||
phba->sli.iocbq_lookup[abort_iotag];
|
||||
} else
|
||||
/* For sli4 the abort_tag is the XRI,
|
||||
* so the abort routine puts the iotag of the iocb
|
||||
* being aborted in the context field of the abort
|
||||
* IOCB.
|
||||
*/
|
||||
abort_iocb = phba->sli.iocbq_lookup[abort_context];
|
||||
|
||||
lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_SLI,
|
||||
"0327 Cannot abort els iocb %p "
|
||||
@@ -7061,9 +6923,18 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
|
||||
* might have completed already. Do not free it again.
|
||||
*/
|
||||
if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
|
||||
spin_unlock_irq(&phba->hbalock);
|
||||
lpfc_sli_release_iocbq(phba, cmdiocb);
|
||||
return;
|
||||
if (irsp->un.ulpWord[4] != IOERR_NO_XRI) {
|
||||
spin_unlock_irq(&phba->hbalock);
|
||||
lpfc_sli_release_iocbq(phba, cmdiocb);
|
||||
return;
|
||||
}
|
||||
/* For SLI4 the ulpContext field for abort IOCB
|
||||
* holds the iotag of the IOCB being aborted so
|
||||
* the local abort_context needs to be reset to
|
||||
* match the aborted IOCBs ulpContext.
|
||||
*/
|
||||
if (abort_iocb && phba->sli_rev == LPFC_SLI_REV4)
|
||||
abort_context = abort_iocb->iocb.ulpContext;
|
||||
}
|
||||
/*
|
||||
* make sure we have the right iocbq before taking it
|
||||
@@ -7182,8 +7053,10 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
|
||||
iabt = &abtsiocbp->iocb;
|
||||
iabt->un.acxri.abortType = ABORT_TYPE_ABTS;
|
||||
iabt->un.acxri.abortContextTag = icmd->ulpContext;
|
||||
if (phba->sli_rev == LPFC_SLI_REV4)
|
||||
if (phba->sli_rev == LPFC_SLI_REV4) {
|
||||
iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag;
|
||||
iabt->un.acxri.abortContextTag = cmdiocb->iotag;
|
||||
}
|
||||
else
|
||||
iabt->un.acxri.abortIoTag = icmd->ulpIoTag;
|
||||
iabt->ulpLe = 1;
|
||||
@@ -8421,7 +8294,6 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_iocbq *pIocbIn,
|
||||
|
||||
memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset,
|
||||
sizeof(struct lpfc_iocbq) - offset);
|
||||
pIocbIn->cq_event.cqe.wcqe_cmpl = *wcqe;
|
||||
/* Map WCQE parameters into irspiocb parameters */
|
||||
pIocbIn->iocb.ulpStatus = bf_get(lpfc_wcqe_c_status, wcqe);
|
||||
if (pIocbOut->iocb_flag & LPFC_IO_FCP)
|
||||
@@ -8435,6 +8307,49 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_iocbq *pIocbIn,
|
||||
pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe
|
||||
* @phba: Pointer to HBA context object.
|
||||
* @wcqe: Pointer to work-queue completion queue entry.
|
||||
*
|
||||
* This routine handles an ELS work-queue completion event and construct
|
||||
* a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common
|
||||
* discovery engine to handle.
|
||||
*
|
||||
* Return: Pointer to the receive IOCBQ, NULL otherwise.
|
||||
**/
|
||||
static struct lpfc_iocbq *
|
||||
lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba,
|
||||
struct lpfc_iocbq *irspiocbq)
|
||||
{
|
||||
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
|
||||
struct lpfc_iocbq *cmdiocbq;
|
||||
struct lpfc_wcqe_complete *wcqe;
|
||||
unsigned long iflags;
|
||||
|
||||
wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl;
|
||||
spin_lock_irqsave(&phba->hbalock, iflags);
|
||||
pring->stats.iocb_event++;
|
||||
/* Look up the ELS command IOCB and create pseudo response IOCB */
|
||||
cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring,
|
||||
bf_get(lpfc_wcqe_c_request_tag, wcqe));
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
||||
|
||||
if (unlikely(!cmdiocbq)) {
|
||||
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
|
||||
"0386 ELS complete with no corresponding "
|
||||
"cmdiocb: iotag (%d)\n",
|
||||
bf_get(lpfc_wcqe_c_request_tag, wcqe));
|
||||
lpfc_sli_release_iocbq(phba, irspiocbq);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Fake the irspiocbq and copy necessary response information */
|
||||
lpfc_sli4_iocb_param_transfer(irspiocbq, cmdiocbq, wcqe);
|
||||
|
||||
return irspiocbq;
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_sli4_sp_handle_async_event - Handle an asynchroous event
|
||||
* @phba: Pointer to HBA context object.
|
||||
@@ -8625,46 +8540,26 @@ static bool
|
||||
lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba,
|
||||
struct lpfc_wcqe_complete *wcqe)
|
||||
{
|
||||
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
|
||||
struct lpfc_iocbq *cmdiocbq;
|
||||
struct lpfc_iocbq *irspiocbq;
|
||||
unsigned long iflags;
|
||||
bool workposted = false;
|
||||
|
||||
spin_lock_irqsave(&phba->hbalock, iflags);
|
||||
pring->stats.iocb_event++;
|
||||
/* Look up the ELS command IOCB and create pseudo response IOCB */
|
||||
cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring,
|
||||
bf_get(lpfc_wcqe_c_request_tag, wcqe));
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
||||
|
||||
if (unlikely(!cmdiocbq)) {
|
||||
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
|
||||
"0386 ELS complete with no corresponding "
|
||||
"cmdiocb: iotag (%d)\n",
|
||||
bf_get(lpfc_wcqe_c_request_tag, wcqe));
|
||||
return workposted;
|
||||
}
|
||||
|
||||
/* Fake the irspiocbq and copy necessary response information */
|
||||
/* Get an irspiocbq for later ELS response processing use */
|
||||
irspiocbq = lpfc_sli_get_iocbq(phba);
|
||||
if (!irspiocbq) {
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
||||
"0387 Failed to allocate an iocbq\n");
|
||||
return workposted;
|
||||
return false;
|
||||
}
|
||||
lpfc_sli4_iocb_param_transfer(irspiocbq, cmdiocbq, wcqe);
|
||||
|
||||
/* Add the irspiocb to the response IOCB work list */
|
||||
/* Save off the slow-path queue event for work thread to process */
|
||||
memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe));
|
||||
spin_lock_irqsave(&phba->hbalock, iflags);
|
||||
list_add_tail(&irspiocbq->cq_event.list,
|
||||
&phba->sli4_hba.sp_rspiocb_work_queue);
|
||||
/* Indicate ELS ring attention */
|
||||
phba->work_ha |= (HA_R0ATT << (4*LPFC_ELS_RING));
|
||||
&phba->sli4_hba.sp_queue_event);
|
||||
phba->hba_flag |= HBA_SP_QUEUE_EVT;
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
||||
workposted = true;
|
||||
|
||||
return workposted;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -8769,8 +8664,6 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe)
|
||||
unsigned long iflags;
|
||||
|
||||
lpfc_sli4_rq_release(hrq, drq);
|
||||
if (bf_get(lpfc_rcqe_code, rcqe) != CQE_CODE_RECEIVE)
|
||||
goto out;
|
||||
if (bf_get(lpfc_rcqe_rq_id, rcqe) != hrq->queue_id)
|
||||
goto out;
|
||||
|
||||
@@ -8789,9 +8682,9 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe)
|
||||
memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe));
|
||||
/* save off the frame for the word thread to process */
|
||||
list_add_tail(&dma_buf->cq_event.list,
|
||||
&phba->sli4_hba.sp_rspiocb_work_queue);
|
||||
&phba->sli4_hba.sp_queue_event);
|
||||
/* Frame received */
|
||||
phba->hba_flag |= HBA_RECEIVE_BUFFER;
|
||||
phba->hba_flag |= HBA_SP_QUEUE_EVT;
|
||||
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
||||
workposted = true;
|
||||
break;
|
||||
@@ -8806,7 +8699,6 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe)
|
||||
}
|
||||
out:
|
||||
return workposted;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -8824,38 +8716,38 @@ static bool
|
||||
lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
|
||||
struct lpfc_cqe *cqe)
|
||||
{
|
||||
struct lpfc_wcqe_complete wcqe;
|
||||
struct lpfc_cqe cqevt;
|
||||
bool workposted = false;
|
||||
|
||||
/* Copy the work queue CQE and convert endian order if needed */
|
||||
lpfc_sli_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe));
|
||||
lpfc_sli_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe));
|
||||
|
||||
/* Check and process for different type of WCQE and dispatch */
|
||||
switch (bf_get(lpfc_wcqe_c_code, &wcqe)) {
|
||||
switch (bf_get(lpfc_cqe_code, &cqevt)) {
|
||||
case CQE_CODE_COMPL_WQE:
|
||||
/* Process the WQ complete event */
|
||||
/* Process the WQ/RQ complete event */
|
||||
workposted = lpfc_sli4_sp_handle_els_wcqe(phba,
|
||||
(struct lpfc_wcqe_complete *)&wcqe);
|
||||
(struct lpfc_wcqe_complete *)&cqevt);
|
||||
break;
|
||||
case CQE_CODE_RELEASE_WQE:
|
||||
/* Process the WQ release event */
|
||||
lpfc_sli4_sp_handle_rel_wcqe(phba,
|
||||
(struct lpfc_wcqe_release *)&wcqe);
|
||||
(struct lpfc_wcqe_release *)&cqevt);
|
||||
break;
|
||||
case CQE_CODE_XRI_ABORTED:
|
||||
/* Process the WQ XRI abort event */
|
||||
workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq,
|
||||
(struct sli4_wcqe_xri_aborted *)&wcqe);
|
||||
(struct sli4_wcqe_xri_aborted *)&cqevt);
|
||||
break;
|
||||
case CQE_CODE_RECEIVE:
|
||||
/* Process the RQ event */
|
||||
workposted = lpfc_sli4_sp_handle_rcqe(phba,
|
||||
(struct lpfc_rcqe *)&wcqe);
|
||||
(struct lpfc_rcqe *)&cqevt);
|
||||
break;
|
||||
default:
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
||||
"0388 Not a valid WCQE code: x%x\n",
|
||||
bf_get(lpfc_wcqe_c_code, &wcqe));
|
||||
bf_get(lpfc_cqe_code, &cqevt));
|
||||
break;
|
||||
}
|
||||
return workposted;
|
||||
@@ -10840,6 +10732,105 @@ lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr,
|
||||
return vport;
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp
|
||||
* @vport: The vport to work on.
|
||||
*
|
||||
* This function updates the receive sequence time stamp for this vport. The
|
||||
* receive sequence time stamp indicates the time that the last frame of the
|
||||
* the sequence that has been idle for the longest amount of time was received.
|
||||
* the driver uses this time stamp to indicate if any received sequences have
|
||||
* timed out.
|
||||
**/
|
||||
void
|
||||
lpfc_update_rcv_time_stamp(struct lpfc_vport *vport)
|
||||
{
|
||||
struct lpfc_dmabuf *h_buf;
|
||||
struct hbq_dmabuf *dmabuf = NULL;
|
||||
|
||||
/* get the oldest sequence on the rcv list */
|
||||
h_buf = list_get_first(&vport->rcv_buffer_list,
|
||||
struct lpfc_dmabuf, list);
|
||||
if (!h_buf)
|
||||
return;
|
||||
dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
|
||||
vport->rcv_buffer_time_stamp = dmabuf->time_stamp;
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences.
|
||||
* @vport: The vport that the received sequences were sent to.
|
||||
*
|
||||
* This function cleans up all outstanding received sequences. This is called
|
||||
* by the driver when a link event or user action invalidates all the received
|
||||
* sequences.
|
||||
**/
|
||||
void
|
||||
lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport)
|
||||
{
|
||||
struct lpfc_dmabuf *h_buf, *hnext;
|
||||
struct lpfc_dmabuf *d_buf, *dnext;
|
||||
struct hbq_dmabuf *dmabuf = NULL;
|
||||
|
||||
/* start with the oldest sequence on the rcv list */
|
||||
list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) {
|
||||
dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
|
||||
list_del_init(&dmabuf->hbuf.list);
|
||||
list_for_each_entry_safe(d_buf, dnext,
|
||||
&dmabuf->dbuf.list, list) {
|
||||
list_del_init(&d_buf->list);
|
||||
lpfc_in_buf_free(vport->phba, d_buf);
|
||||
}
|
||||
lpfc_in_buf_free(vport->phba, &dmabuf->dbuf);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences.
|
||||
* @vport: The vport that the received sequences were sent to.
|
||||
*
|
||||
* This function determines whether any received sequences have timed out by
|
||||
* first checking the vport's rcv_buffer_time_stamp. If this time_stamp
|
||||
* indicates that there is at least one timed out sequence this routine will
|
||||
* go through the received sequences one at a time from most inactive to most
|
||||
* active to determine which ones need to be cleaned up. Once it has determined
|
||||
* that a sequence needs to be cleaned up it will simply free up the resources
|
||||
* without sending an abort.
|
||||
**/
|
||||
void
|
||||
lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport)
|
||||
{
|
||||
struct lpfc_dmabuf *h_buf, *hnext;
|
||||
struct lpfc_dmabuf *d_buf, *dnext;
|
||||
struct hbq_dmabuf *dmabuf = NULL;
|
||||
unsigned long timeout;
|
||||
int abort_count = 0;
|
||||
|
||||
timeout = (msecs_to_jiffies(vport->phba->fc_edtov) +
|
||||
vport->rcv_buffer_time_stamp);
|
||||
if (list_empty(&vport->rcv_buffer_list) ||
|
||||
time_before(jiffies, timeout))
|
||||
return;
|
||||
/* start with the oldest sequence on the rcv list */
|
||||
list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) {
|
||||
dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
|
||||
timeout = (msecs_to_jiffies(vport->phba->fc_edtov) +
|
||||
dmabuf->time_stamp);
|
||||
if (time_before(jiffies, timeout))
|
||||
break;
|
||||
abort_count++;
|
||||
list_del_init(&dmabuf->hbuf.list);
|
||||
list_for_each_entry_safe(d_buf, dnext,
|
||||
&dmabuf->dbuf.list, list) {
|
||||
list_del_init(&d_buf->list);
|
||||
lpfc_in_buf_free(vport->phba, d_buf);
|
||||
}
|
||||
lpfc_in_buf_free(vport->phba, &dmabuf->dbuf);
|
||||
}
|
||||
if (abort_count)
|
||||
lpfc_update_rcv_time_stamp(vport);
|
||||
}
|
||||
|
||||
/**
|
||||
* lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences
|
||||
* @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame
|
||||
@@ -10863,6 +10854,7 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
|
||||
struct hbq_dmabuf *temp_dmabuf = NULL;
|
||||
|
||||
INIT_LIST_HEAD(&dmabuf->dbuf.list);
|
||||
dmabuf->time_stamp = jiffies;
|
||||
new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
|
||||
/* Use the hdr_buf to find the sequence that this frame belongs to */
|
||||
list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) {
|
||||
@@ -10881,6 +10873,7 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
|
||||
* Queue the buffer on the vport's rcv_buffer_list.
|
||||
*/
|
||||
list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list);
|
||||
lpfc_update_rcv_time_stamp(vport);
|
||||
return dmabuf;
|
||||
}
|
||||
temp_hdr = seq_dmabuf->hbuf.virt;
|
||||
@@ -10888,8 +10881,13 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
|
||||
list_del_init(&seq_dmabuf->hbuf.list);
|
||||
list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list);
|
||||
list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list);
|
||||
lpfc_update_rcv_time_stamp(vport);
|
||||
return dmabuf;
|
||||
}
|
||||
/* move this sequence to the tail to indicate a young sequence */
|
||||
list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list);
|
||||
seq_dmabuf->time_stamp = jiffies;
|
||||
lpfc_update_rcv_time_stamp(vport);
|
||||
/* find the correct place in the sequence to insert this frame */
|
||||
list_for_each_entry_reverse(d_buf, &seq_dmabuf->dbuf.list, list) {
|
||||
temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
|
||||
@@ -11148,6 +11146,7 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
|
||||
fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt;
|
||||
/* remove from receive buffer list */
|
||||
list_del_init(&seq_dmabuf->hbuf.list);
|
||||
lpfc_update_rcv_time_stamp(vport);
|
||||
/* get the Remote Port's SID */
|
||||
sid = sli4_sid_from_fc_hdr(fc_hdr);
|
||||
/* Get an iocbq struct to fill in. */
|
||||
@@ -11274,11 +11273,6 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
|
||||
struct lpfc_vport *vport;
|
||||
uint32_t fcfi;
|
||||
|
||||
/* Clear hba flag and get all received buffers into the cmplq */
|
||||
spin_lock_irq(&phba->hbalock);
|
||||
phba->hba_flag &= ~HBA_RECEIVE_BUFFER;
|
||||
spin_unlock_irq(&phba->hbalock);
|
||||
|
||||
/* Process each received buffer */
|
||||
fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
|
||||
/* check to see if this a valid type of frame */
|
||||
@@ -11309,9 +11303,9 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
|
||||
/* If not last frame in sequence continue processing frames. */
|
||||
if (!lpfc_seq_complete(seq_dmabuf)) {
|
||||
/*
|
||||
* When saving off frames post a new one and mark this
|
||||
* frame to be freed when it is finished.
|
||||
**/
|
||||
* When saving off frames post a new one and mark this
|
||||
* frame to be freed when it is finished.
|
||||
**/
|
||||
lpfc_sli_hbqbuf_fill_hbqs(phba, LPFC_ELS_HBQ, 1);
|
||||
dmabuf->tag = -1;
|
||||
return;
|
||||
|
||||
Reference in New Issue
Block a user