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[SCSI] lpfc 8.2.3 : Remove flawed MBX_STOP_IOCB logic

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Remove flawed MBX_STOP_IOCB logic

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
James Smart 2007-10-27 13:37:25 -04:00 committed by James Bottomley
parent 7ee5d43e2e
commit 0b727fea7a
6 changed files with 27 additions and 109 deletions
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20
drivers/scsi/lpfc/lpfc_els.c
View file

@ -249,7 +249,7 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mbox->vport = vport;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
goto fail_free_mbox;
@ -265,7 +265,7 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
mbox->vport = vport;
mbox->context2 = lpfc_nlp_get(ndlp);
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
goto fail_issue_reg_login;
@ -429,8 +429,7 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mbox->vport = vport;
rc = lpfc_sli_issue_mbox(phba, mbox,
MBX_NOWAIT | MBX_STOP_IOCB);
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
mempool_free(mbox, phba->mbox_mem_pool);
goto fail;
@ -2150,8 +2149,7 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
lpfc_nlp_set_state(vport, ndlp,
NLP_STE_REG_LOGIN_ISSUE);
}
if (lpfc_sli_issue_mbox(phba, mbox,
(MBX_NOWAIT | MBX_STOP_IOCB))
if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT)
!= MBX_NOT_FINISHED) {
goto out;
}
@ -3022,8 +3020,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
mbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mbox->vport = vport;
rc = lpfc_sli_issue_mbox
(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
lpfc_set_loopback_flag(phba);
if (rc == MBX_NOT_FINISHED) {
mempool_free(mbox, phba->mbox_mem_pool);
@ -3223,8 +3220,8 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
mbox->context2 = lpfc_nlp_get(ndlp);
mbox->vport = vport;
mbox->mbox_cmpl = lpfc_els_rsp_rps_acc;
if (lpfc_sli_issue_mbox (phba, mbox,
(MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED)
if (lpfc_sli_issue_mbox (phba, mbox, MBX_NOWAIT)
!= MBX_NOT_FINISHED)
/* Mbox completion will send ELS Response */
return 0;
@ -4162,8 +4159,7 @@ lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
mbox->vport = vport;
mbox->context2 = lpfc_nlp_get(ndlp);
mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport;
if (lpfc_sli_issue_mbox(phba, mbox,
MBX_NOWAIT | MBX_STOP_IOCB)
if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT)
== MBX_NOT_FINISHED) {
mempool_free(mbox, phba->mbox_mem_pool);
vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;

33
drivers/scsi/lpfc/lpfc_hbadisc.c
View file

@ -412,7 +412,7 @@ lpfc_work_done(struct lpfc_hba *phba)
status >>= (4*LPFC_ELS_RING);
if ((status & HA_RXMASK)
|| (pring->flag & LPFC_DEFERRED_RING_EVENT)) {
if (pring->flag & LPFC_STOP_IOCB_MASK) {
if (pring->flag & LPFC_STOP_IOCB_EVENT) {
pring->flag |= LPFC_DEFERRED_RING_EVENT;
} else {
lpfc_sli_handle_slow_ring_event(phba, pring,
@ -629,7 +629,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb);
mb->vport = vport;
mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT)
== MBX_NOT_FINISHED) {
mempool_free(mb, phba->mbox_mem_pool);
}
@ -643,8 +643,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
lpfc_config_link(phba, mb);
mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mb->vport = vport;
if (lpfc_sli_issue_mbox(phba, mb,
(MBX_NOWAIT | MBX_STOP_IOCB))
if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT)
== MBX_NOT_FINISHED) {
mempool_free(mb, phba->mbox_mem_pool);
}
@ -1022,8 +1021,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
lpfc_read_sparam(phba, sparam_mbox, 0);
sparam_mbox->vport = vport;
sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
rc = lpfc_sli_issue_mbox(phba, sparam_mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
lpfc_mbuf_free(phba, mp->virt, mp->phys);
@ -1040,8 +1038,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
lpfc_config_link(phba, cfglink_mbox);
cfglink_mbox->vport = vport;
cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
rc = lpfc_sli_issue_mbox(phba, cfglink_mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT);
if (rc != MBX_NOT_FINISHED)
return;
mempool_free(cfglink_mbox, phba->mbox_mem_pool);
@ -1219,7 +1216,7 @@ lpfc_mbx_unreg_vpi(struct lpfc_vport *vport)
lpfc_unreg_vpi(phba, vport->vpi, mbox);
mbox->vport = vport;
mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi;
rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
"1800 Could not issue unreg_vpi\n");
@ -1868,8 +1865,7 @@ lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox);
mbox->vport = vport;
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
rc = lpfc_sli_issue_mbox(phba, mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
mempool_free(mbox, phba->mbox_mem_pool);
}
@ -1892,8 +1888,7 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport)
lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox);
mbox->vport = vport;
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
rc = lpfc_sli_issue_mbox(phba, mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
mempool_free(mbox, phba->mbox_mem_pool);
}
@ -1912,8 +1907,7 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport)
lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox);
mbox->vport = vport;
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
rc = lpfc_sli_issue_mbox(phba, mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
"1815 Could not issue "
@ -2220,8 +2214,7 @@ lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport)
lpfc_clear_la(phba, mbox);
mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
mbox->vport = vport;
rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT |
MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
mempool_free(mbox, phba->mbox_mem_pool);
lpfc_disc_flush_list(vport);
@ -2244,8 +2237,7 @@ lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport)
lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, regvpimbox);
regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi;
regvpimbox->vport = vport;
if (lpfc_sli_issue_mbox(phba, regvpimbox,
(MBX_NOWAIT | MBX_STOP_IOCB))
if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT)
== MBX_NOT_FINISHED) {
mempool_free(regvpimbox, phba->mbox_mem_pool);
}
@ -2608,8 +2600,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
initlinkmbox->vport = vport;
initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT);
lpfc_set_loopback_flag(phba);
if (rc == MBX_NOT_FINISHED)
mempool_free(initlinkmbox, phba->mbox_mem_pool);

4
drivers/scsi/lpfc/lpfc_init.c
View file

@ -355,7 +355,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
phba->link_state = LPFC_LINK_DOWN;
/* Only process IOCBs on ring 0 till hba_state is READY */
/* Only process IOCBs on ELS ring till hba_state is READY */
if (psli->ring[psli->extra_ring].cmdringaddr)
psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
if (psli->ring[psli->fcp_ring].cmdringaddr)
@ -777,7 +777,7 @@ lpfc_handle_latt(struct lpfc_hba *phba)
lpfc_read_la(phba, pmb, mp);
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
pmb->vport = vport;
rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
goto lpfc_handle_latt_free_mbuf;

6
drivers/scsi/lpfc/lpfc_nportdisc.c
View file

@ -343,8 +343,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_config_link(phba, mbox);
mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mbox->vport = vport;
rc = lpfc_sli_issue_mbox
(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
mempool_free(mbox, phba->mbox_mem_pool);
goto out;
@ -828,8 +827,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
}
mbox->context2 = lpfc_nlp_get(ndlp);
mbox->vport = vport;
if (lpfc_sli_issue_mbox(phba, mbox,
(MBX_NOWAIT | MBX_STOP_IOCB))
if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT)
!= MBX_NOT_FINISHED) {
lpfc_nlp_set_state(vport, ndlp,
NLP_STE_REG_LOGIN_ISSUE);

69
drivers/scsi/lpfc/lpfc_sli.c
View file

@ -474,8 +474,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
if (pring->txq_cnt &&
lpfc_is_link_up(phba) &&
(pring->ringno != phba->sli.fcp_ring ||
phba->sli.sli_flag & LPFC_PROCESS_LA) &&
!(pring->flag & LPFC_STOP_IOCB_MBX)) {
phba->sli.sli_flag & LPFC_PROCESS_LA)) {
while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
(nextiocb = lpfc_sli_ringtx_get(phba, pring)))
@ -490,31 +489,6 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
return;
}
/* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */
static void
lpfc_sli_turn_on_ring(struct lpfc_hba *phba, int ringno)
{
struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
&phba->slim2p->mbx.us.s3_pgp.port[ringno] :
&phba->slim2p->mbx.us.s2.port[ringno];
unsigned long iflags;
/* If the ring is active, flag it */
spin_lock_irqsave(&phba->hbalock, iflags);
if (phba->sli.ring[ringno].cmdringaddr) {
if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) {
phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX;
/*
* Force update of the local copy of cmdGetInx
*/
phba->sli.ring[ringno].local_getidx
= le32_to_cpu(pgp->cmdGetInx);
lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]);
}
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
}
struct lpfc_hbq_entry *
lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno)
{
@ -2590,21 +2564,6 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
return MBX_NOT_FINISHED;
}
/* Handle STOP IOCB processing flag. This is only meaningful
* if we are not polling for mbox completion.
*/
if (flag & MBX_STOP_IOCB) {
flag &= ~MBX_STOP_IOCB;
/* Now flag each ring */
for (i = 0; i < psli->num_rings; i++) {
/* If the ring is active, flag it */
if (psli->ring[i].cmdringaddr) {
psli->ring[i].flag |=
LPFC_STOP_IOCB_MBX;
}
}
}
/* Another mailbox command is still being processed, queue this
* command to be processed later.
*/
@ -2639,23 +2598,6 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
return MBX_BUSY;
}
/* Handle STOP IOCB processing flag. This is only meaningful
* if we are not polling for mbox completion.
*/
if (flag & MBX_STOP_IOCB) {
flag &= ~MBX_STOP_IOCB;
if (flag == MBX_NOWAIT) {
/* Now flag each ring */
for (i = 0; i < psli->num_rings; i++) {
/* If the ring is active, flag it */
if (psli->ring[i].cmdringaddr) {
psli->ring[i].flag |=
LPFC_STOP_IOCB_MBX;
}
}
}
}
psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE;
/* If we are not polling, we MUST be in SLI2 mode */
@ -2898,9 +2840,9 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
/*
* Check to see if we are blocking IOCB processing because of a
* outstanding mbox command.
* outstanding event.
*/
if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX))
if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT))
goto iocb_busy;
if (unlikely(phba->link_state == LPFC_LINK_DOWN)) {
@ -3847,7 +3789,6 @@ lpfc_intr_handler(int irq, void *dev_id)
uint32_t ha_copy;
uint32_t work_ha_copy;
unsigned long status;
int i;
uint32_t control;
MAILBOX_t *mbox, *pmbox;
@ -4066,10 +4007,6 @@ send_current_mbox:
lpfc_mbox_cmpl_put(phba, pmb);
goto send_next_mbox;
}
} else {
/* Turn on IOCB processing */
for (i = 0; i < phba->sli.num_rings; i++)
lpfc_sli_turn_on_ring(phba, i);
}
}

4
drivers/scsi/lpfc/lpfc_sli.h
View file

@ -92,8 +92,6 @@ typedef struct lpfcMboxq {
#define MBX_POLL 1 /* poll mailbox till command done, then
return */
#define MBX_NOWAIT 2 /* issue command then return immediately */
#define MBX_STOP_IOCB 4 /* Stop iocb processing till mbox cmds
complete */
#define LPFC_MAX_RING_MASK 4 /* max num of rctl/type masks allowed per
ring */
@ -129,9 +127,7 @@ struct lpfc_sli_ring {
uint16_t flag; /* ring flags */
#define LPFC_DEFERRED_RING_EVENT 0x001 /* Deferred processing a ring event */
#define LPFC_CALL_RING_AVAILABLE 0x002 /* indicates cmd was full */
#define LPFC_STOP_IOCB_MBX 0x010 /* Stop processing IOCB cmds mbox */
#define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */
#define LPFC_STOP_IOCB_MASK 0x030 /* Stop processing IOCB cmds mask */
uint16_t abtsiotag; /* tracks next iotag to use for ABTS */
uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */