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[SCSI] lpfc 8.3.21: RRQ Implementation fixes

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RRQ Implementation fixes

- Added checks to prevent a call to findnode_did in clr_active_rrq
- Added the del_sync_timer call for the rrq_tmr to the stop_hba_timers routine.
- Added a check in __lpfc_set_active_rrq for the driver unloading to prevent
  adding an rrq when the driver is being removed.
- Add code to scsi_iocb_cmpl to check for the remote stop and add the rrq.
- Added the same check to els retry.
- Added code to compare the source did in the els rrq to the vports did and
  chose the right exchange ID.
- Initialize the start_cmd pointer to indicate when we have looped through
  all of the scsi buffers.
- Remove the need for the lock around the clearing of the active bit in the
  rrq.
- Added code to clean the els and fcp xri aborted list and remove the all of
  the RRQs for a deleted vport.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
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 2011-02-16 12:39:35 -05:00 committed by James Bottomley
parent fedd3b7b93
commit 1151e3ec15
7 changed files with 207 additions and 140 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -423,6 +423,6 @@ int lpfc_send_rrq(struct lpfc_hba *, struct lpfc_node_rrq *);
int lpfc_set_rrq_active(struct lpfc_hba *, struct lpfc_nodelist *,
uint16_t, uint16_t, uint16_t);
void lpfc_cleanup_wt_rrqs(struct lpfc_hba *);
void lpfc_cleanup_vports_rrqs(struct lpfc_vport *);
void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
uint32_t);

54
drivers/scsi/lpfc/lpfc_els.c
View File

@ -2816,9 +2816,17 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
switch (irsp->ulpStatus) {
case IOSTAT_FCP_RSP_ERROR:
case IOSTAT_REMOTE_STOP:
break;
case IOSTAT_REMOTE_STOP:
if (phba->sli_rev == LPFC_SLI_REV4) {
/* This IO was aborted by the target, we don't
* know the rxid and because we did not send the
* ABTS we cannot generate and RRQ.
*/
lpfc_set_rrq_active(phba, ndlp,
cmdiocb->sli4_xritag, 0, 0);
}
break;
case IOSTAT_LOCAL_REJECT:
switch ((irsp->un.ulpWord[4] & 0xff)) {
case IOERR_LOOP_OPEN_FAILURE:
@ -4014,28 +4022,34 @@ lpfc_els_clear_rrq(struct lpfc_vport *vport,
uint8_t *pcmd;
struct RRQ *rrq;
uint16_t rxid;
uint16_t xri;
struct lpfc_node_rrq *prrq;
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) iocb->context2)->virt);
pcmd += sizeof(uint32_t);
rrq = (struct RRQ *)pcmd;
rxid = bf_get(rrq_oxid, rrq);
rrq->rrq_exchg = be32_to_cpu(rrq->rrq_exchg);
rxid = be16_to_cpu(bf_get(rrq_rxid, rrq));
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"2883 Clear RRQ for SID:x%x OXID:x%x RXID:x%x"
" x%x x%x\n",
bf_get(rrq_did, rrq),
bf_get(rrq_oxid, rrq),
be32_to_cpu(bf_get(rrq_did, rrq)),
be16_to_cpu(bf_get(rrq_oxid, rrq)),
rxid,
iocb->iotag, iocb->iocb.ulpContext);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
"Clear RRQ: did:x%x flg:x%x exchg:x%.08x",
ndlp->nlp_DID, ndlp->nlp_flag, rrq->rrq_exchg);
prrq = lpfc_get_active_rrq(vport, rxid, ndlp->nlp_DID);
if (vport->fc_myDID == be32_to_cpu(bf_get(rrq_did, rrq)))
xri = be16_to_cpu(bf_get(rrq_oxid, rrq));
else
xri = rxid;
prrq = lpfc_get_active_rrq(vport, xri, ndlp->nlp_DID);
if (prrq)
lpfc_clr_rrq_active(phba, rxid, prrq);
lpfc_clr_rrq_active(phba, xri, prrq);
return;
}
@ -7582,6 +7596,32 @@ void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
IOERR_SLI_ABORTED);
}
/**
* lpfc_sli4_vport_delete_els_xri_aborted -Remove all ndlp references for vport
* @vport: pointer to lpfc vport data structure.
*
* This routine is invoked by the vport cleanup for deletions and the cleanup
* for an ndlp on removal.
**/
void
lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
unsigned long iflag = 0;
spin_lock_irqsave(&phba->hbalock, iflag);
spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
list_for_each_entry_safe(sglq_entry, sglq_next,
&phba->sli4_hba.lpfc_abts_els_sgl_list, list) {
if (sglq_entry->ndlp && sglq_entry->ndlp->vport == vport)
sglq_entry->ndlp = NULL;
}
spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
return;
}
/**
* lpfc_sli4_els_xri_aborted - Slow-path process of els xri abort
* @phba: pointer to lpfc hba data structure.

6
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -3160,7 +3160,7 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
spin_unlock_irq(shost->host_lock);
vport->unreg_vpi_cmpl = VPORT_OK;
mempool_free(pmb, phba->mbox_mem_pool);
lpfc_cleanup_vports_rrqs(vport);
lpfc_cleanup_vports_rrqs(vport, NULL);
/*
* This shost reference might have been taken at the beginning of
* lpfc_vport_delete()
@ -3900,6 +3900,8 @@ lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
return;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
if (vport->phba->sli_rev == LPFC_SLI_REV4)
lpfc_cleanup_vports_rrqs(vport, ndlp);
lpfc_nlp_put(ndlp);
return;
}
@ -4289,7 +4291,7 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
list_del_init(&ndlp->els_retry_evt.evt_listp);
list_del_init(&ndlp->dev_loss_evt.evt_listp);
lpfc_cleanup_vports_rrqs(vport, ndlp);
lpfc_unreg_rpi(vport, ndlp);
return 0;

9
drivers/scsi/lpfc/lpfc_init.c
View File

@ -945,16 +945,12 @@ static void
lpfc_rrq_timeout(unsigned long ptr)
{
struct lpfc_hba *phba;
uint32_t tmo_posted;
unsigned long iflag;
phba = (struct lpfc_hba *)ptr;
spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
tmo_posted = phba->hba_flag & HBA_RRQ_ACTIVE;
if (!tmo_posted)
phba->hba_flag |= HBA_RRQ_ACTIVE;
spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
if (!tmo_posted)
lpfc_worker_wake_up(phba);
}
@ -2280,6 +2276,7 @@ lpfc_cleanup(struct lpfc_vport *vport)
/* Wait for any activity on ndlps to settle */
msleep(10);
}
lpfc_cleanup_vports_rrqs(vport, NULL);
}
/**
@ -2355,6 +2352,10 @@ lpfc_stop_hba_timers(struct lpfc_hba *phba)
del_timer_sync(&phba->fabric_block_timer);
del_timer_sync(&phba->eratt_poll);
del_timer_sync(&phba->hb_tmofunc);
if (phba->sli_rev == LPFC_SLI_REV4) {
del_timer_sync(&phba->rrq_tmr);
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
}
phba->hb_outstanding = 0;
switch (phba->pci_dev_grp) {

71
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -608,6 +608,32 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc)
return bcnt;
}
/**
* lpfc_sli4_vport_delete_fcp_xri_aborted -Remove all ndlp references for vport
* @vport: pointer to lpfc vport data structure.
*
* This routine is invoked by the vport cleanup for deletions and the cleanup
* for an ndlp on removal.
**/
void
lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_scsi_buf *psb, *next_psb;
unsigned long iflag = 0;
spin_lock_irqsave(&phba->hbalock, iflag);
spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
list_for_each_entry_safe(psb, next_psb,
&phba->sli4_hba.lpfc_abts_scsi_buf_list, list) {
if (psb->rdata && psb->rdata->pnode
&& psb->rdata->pnode->vport == vport)
psb->rdata = NULL;
}
spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
}
/**
* lpfc_sli4_fcp_xri_aborted - Fast-path process of fcp xri abort
* @phba: pointer to lpfc hba data structure.
@ -640,7 +666,11 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
psb->status = IOSTAT_SUCCESS;
spin_unlock(
&phba->sli4_hba.abts_scsi_buf_list_lock);
if (psb->rdata && psb->rdata->pnode)
ndlp = psb->rdata->pnode;
else
ndlp = NULL;
rrq_empty = list_empty(&phba->active_rrq_list);
spin_unlock_irqrestore(&phba->hbalock, iflag);
if (ndlp)
@ -964,35 +994,28 @@ lpfc_get_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
static struct lpfc_scsi_buf*
lpfc_get_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
{
struct lpfc_scsi_buf *lpfc_cmd = NULL;
struct lpfc_scsi_buf *start_lpfc_cmd = NULL;
struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list;
struct lpfc_scsi_buf *lpfc_cmd ;
unsigned long iflag = 0;
int found = 0;
spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list);
spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
while (!found && lpfc_cmd) {
list_for_each_entry(lpfc_cmd, &phba->lpfc_scsi_buf_list,
list) {
if (lpfc_test_rrq_active(phba, ndlp,
lpfc_cmd->cur_iocbq.sli4_xritag)) {
lpfc_release_scsi_buf_s4(phba, lpfc_cmd);
spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
list_remove_head(scsi_buf_list, lpfc_cmd,
struct lpfc_scsi_buf, list);
spin_unlock_irqrestore(&phba->scsi_buf_list_lock,
iflag);
if (lpfc_cmd == start_lpfc_cmd) {
lpfc_cmd = NULL;
break;
} else
lpfc_cmd->cur_iocbq.sli4_xritag))
continue;
}
list_del(&lpfc_cmd->list);
found = 1;
lpfc_cmd->seg_cnt = 0;
lpfc_cmd->nonsg_phys = 0;
lpfc_cmd->prot_seg_cnt = 0;
break;
}
spin_unlock_irqrestore(&phba->scsi_buf_list_lock,
iflag);
if (!found)
return NULL;
else
return lpfc_cmd;
}
/**
@ -2484,6 +2507,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
lpfc_worker_wake_up(phba);
break;
case IOSTAT_LOCAL_REJECT:
case IOSTAT_REMOTE_STOP:
if (lpfc_cmd->result == IOERR_INVALID_RPI ||
lpfc_cmd->result == IOERR_NO_RESOURCES ||
lpfc_cmd->result == IOERR_ABORT_REQUESTED ||
@ -2510,6 +2534,17 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
"on unprotected cmd\n");
}
}
if ((lpfc_cmd->status == IOSTAT_REMOTE_STOP)
&& (phba->sli_rev == LPFC_SLI_REV4)
&& (pnode && NLP_CHK_NODE_ACT(pnode))) {
/* This IO was aborted by the target, we don't
* know the rxid and because we did not send the
* ABTS we cannot generate and RRQ.
*/
lpfc_set_rrq_active(phba, pnode,
lpfc_cmd->cur_iocbq.sli4_xritag,
0, 0);
}
/* else: fall through */
default:

183
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -535,15 +535,35 @@ __lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
uint16_t adj_xri;
struct lpfc_node_rrq *rrq;
int empty;
uint32_t did = 0;
if (!ndlp)
return -EINVAL;
if (!phba->cfg_enable_rrq)
return -EINVAL;
if (phba->pport->load_flag & FC_UNLOADING) {
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
goto out;
}
did = ndlp->nlp_DID;
/*
* set the active bit even if there is no mem available.
*/
adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base;
if (!ndlp)
return -EINVAL;
if (NLP_CHK_FREE_REQ(ndlp))
goto out;
if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING))
goto out;
if (test_and_set_bit(adj_xri, ndlp->active_rrqs.xri_bitmap))
return -EINVAL;
goto out;
rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL);
if (rrq) {
rrq->send_rrq = send_rrq;
@ -554,14 +574,7 @@ __lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
rrq->vport = ndlp->vport;
rrq->rxid = rxid;
empty = list_empty(&phba->active_rrq_list);
if (phba->cfg_enable_rrq && send_rrq)
/*
* We need the xri before we can add this to the
* phba active rrq list.
*/
rrq->send_rrq = send_rrq;
else
rrq->send_rrq = 0;
list_add_tail(&rrq->list, &phba->active_rrq_list);
if (!(phba->hba_flag & HBA_RRQ_ACTIVE)) {
phba->hba_flag |= HBA_RRQ_ACTIVE;
@ -570,40 +583,49 @@ __lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
}
return 0;
}
return -ENOMEM;
out:
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"2921 Can't set rrq active xri:0x%x rxid:0x%x"
" DID:0x%x Send:%d\n",
xritag, rxid, did, send_rrq);
return -EINVAL;
}
/**
* __lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap.
* lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap.
* @phba: Pointer to HBA context object.
* @xritag: xri used in this exchange.
* @rrq: The RRQ to be cleared.
*
* This function is called with hbalock held. This function
**/
static void
__lpfc_clr_rrq_active(struct lpfc_hba *phba,
void
lpfc_clr_rrq_active(struct lpfc_hba *phba,
uint16_t xritag,
struct lpfc_node_rrq *rrq)
{
uint16_t adj_xri;
struct lpfc_nodelist *ndlp;
struct lpfc_nodelist *ndlp = NULL;
if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp))
ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID);
/* The target DID could have been swapped (cable swap)
* we should use the ndlp from the findnode if it is
* available.
*/
if (!ndlp)
if ((!ndlp) && rrq->ndlp)
ndlp = rrq->ndlp;
if (!ndlp)
goto out;
adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base;
if (test_and_clear_bit(adj_xri, ndlp->active_rrqs.xri_bitmap)) {
rrq->send_rrq = 0;
rrq->xritag = 0;
rrq->rrq_stop_time = 0;
}
out:
mempool_free(rrq, phba->rrq_pool);
}
@ -628,34 +650,34 @@ lpfc_handle_rrq_active(struct lpfc_hba *phba)
struct lpfc_node_rrq *nextrrq;
unsigned long next_time;
unsigned long iflags;
LIST_HEAD(send_rrq);
spin_lock_irqsave(&phba->hbalock, iflags);
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
next_time = jiffies + HZ * (phba->fc_ratov + 1);
list_for_each_entry_safe(rrq, nextrrq,
&phba->active_rrq_list, list) {
if (time_after(jiffies, rrq->rrq_stop_time)) {
list_del(&rrq->list);
if (!rrq->send_rrq)
/* this call will free the rrq */
__lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
else {
/* if we send the rrq then the completion handler
* will clear the bit in the xribitmap.
*/
spin_unlock_irqrestore(&phba->hbalock, iflags);
if (lpfc_send_rrq(phba, rrq)) {
lpfc_clr_rrq_active(phba, rrq->xritag,
rrq);
}
spin_lock_irqsave(&phba->hbalock, iflags);
}
} else if (time_before(rrq->rrq_stop_time, next_time))
if (time_after(jiffies, rrq->rrq_stop_time))
list_move(&rrq->list, &send_rrq);
else if (time_before(rrq->rrq_stop_time, next_time))
next_time = rrq->rrq_stop_time;
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
if (!list_empty(&phba->active_rrq_list))
mod_timer(&phba->rrq_tmr, next_time);
list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) {
list_del(&rrq->list);
if (!rrq->send_rrq)
/* this call will free the rrq */
lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
else if (lpfc_send_rrq(phba, rrq)) {
/* if we send the rrq then the completion handler
* will clear the bit in the xribitmap.
*/
lpfc_clr_rrq_active(phba, rrq->xritag,
rrq);
}
}
}
/**
@ -693,29 +715,37 @@ lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did)
/**
* lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport.
* @vport: Pointer to vport context object.
*
* Remove all active RRQs for this vport from the phba->active_rrq_list and
* clear the rrq.
* @ndlp: Pointer to the lpfc_node_list structure.
* If ndlp is NULL Remove all active RRQs for this vport from the
* phba->active_rrq_list and clear the rrq.
* If ndlp is not NULL then only remove rrqs for this vport & this ndlp.
**/
void
lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport)
lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_node_rrq *rrq;
struct lpfc_node_rrq *nextrrq;
unsigned long iflags;
LIST_HEAD(rrq_list);
if (phba->sli_rev != LPFC_SLI_REV4)
return;
if (!ndlp) {
lpfc_sli4_vport_delete_els_xri_aborted(vport);
lpfc_sli4_vport_delete_fcp_xri_aborted(vport);
}
spin_lock_irqsave(&phba->hbalock, iflags);
list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) {
if (rrq->vport == vport) {
list_del(&rrq->list);
__lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
}
}
list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list)
if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp))
list_move(&rrq->list, &rrq_list);
spin_unlock_irqrestore(&phba->hbalock, iflags);
list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) {
list_del(&rrq->list);
lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
}
}
/**
@ -733,24 +763,27 @@ lpfc_cleanup_wt_rrqs(struct lpfc_hba *phba)
struct lpfc_node_rrq *nextrrq;
unsigned long next_time;
unsigned long iflags;
LIST_HEAD(rrq_list);
if (phba->sli_rev != LPFC_SLI_REV4)
return;
spin_lock_irqsave(&phba->hbalock, iflags);
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
next_time = jiffies + HZ * (phba->fc_ratov * 2);
list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) {
list_del(&rrq->list);
__lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
}
list_splice_init(&phba->active_rrq_list, &rrq_list);
spin_unlock_irqrestore(&phba->hbalock, iflags);
list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) {
list_del(&rrq->list);
lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
}
if (!list_empty(&phba->active_rrq_list))
mod_timer(&phba->rrq_tmr, next_time);
}
/**
* __lpfc_test_rrq_active - Test RRQ bit in xri_bitmap.
* lpfc_test_rrq_active - Test RRQ bit in xri_bitmap.
* @phba: Pointer to HBA context object.
* @ndlp: Targets nodelist pointer for this exchange.
* @xritag the xri in the bitmap to test.
@ -759,8 +792,8 @@ lpfc_cleanup_wt_rrqs(struct lpfc_hba *phba)
* returns 0 = rrq not active for this xri
* 1 = rrq is valid for this xri.
**/
static int
__lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
int
lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
uint16_t xritag)
{
uint16_t adj_xri;
@ -802,52 +835,6 @@ lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
return ret;
}
/**
* lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap.
* @phba: Pointer to HBA context object.
* @xritag: xri used in this exchange.
* @rrq: The RRQ to be cleared.
*
* This function is takes the hbalock.
**/
void
lpfc_clr_rrq_active(struct lpfc_hba *phba,
uint16_t xritag,
struct lpfc_node_rrq *rrq)
{
unsigned long iflags;
spin_lock_irqsave(&phba->hbalock, iflags);
__lpfc_clr_rrq_active(phba, xritag, rrq);
spin_unlock_irqrestore(&phba->hbalock, iflags);
return;
}
/**
* lpfc_test_rrq_active - Test RRQ bit in xri_bitmap.
* @phba: Pointer to HBA context object.
* @ndlp: Targets nodelist pointer for this exchange.
* @xritag the xri in the bitmap to test.
*
* This function takes the hbalock.
* returns 0 = rrq not active for this xri
* 1 = rrq is valid for this xri.
**/
int
lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
uint16_t xritag)
{
int ret;
unsigned long iflags;
spin_lock_irqsave(&phba->hbalock, iflags);
ret = __lpfc_test_rrq_active(phba, ndlp, xritag);
spin_unlock_irqrestore(&phba->hbalock, iflags);
return ret;
}
/**
* __lpfc_sli_get_sglq - Allocates an iocb object from sgl pool
* @phba: Pointer to HBA context object.
@ -885,7 +872,7 @@ __lpfc_sli_get_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq)
return NULL;
adj_xri = sglq->sli4_xritag -
phba->sli4_hba.max_cfg_param.xri_base;
if (__lpfc_test_rrq_active(phba, ndlp, sglq->sli4_xritag)) {
if (lpfc_test_rrq_active(phba, ndlp, sglq->sli4_xritag)) {
/* This xri has an rrq outstanding for this DID.
* put it back in the list and get another xri.
*/

2
drivers/scsi/lpfc/lpfc_sli4.h
View File

@ -566,6 +566,8 @@ void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
struct sli4_wcqe_xri_aborted *);
void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
struct sli4_wcqe_xri_aborted *);
void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
int lpfc_sli4_brdreset(struct lpfc_hba *);
int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);