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[SCSI] lpfc 8.2.5 : Miscellaneous discovery Fixes

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Miscellaneous discovery fixes:
- Flush RSCN buffers on vports when reseting HBA.
- Fix incorrect FLOGI after vport reg failed
- Fix a potential fabric ELS race condition
- Fix handling of failed PLOGI command under high lip rates
- Fix FDISC handling
- Fix debug logging for npiv handling

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 2008-02-08 18:50:14 -05:00 committed by James Bottomley
parent db2378e091
commit 7f5f3d0d02
9 changed files with 127 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/scsi/lpfc/lpfc.h
View File

@ -307,6 +307,7 @@ struct lpfc_vport {
uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
struct lpfc_name fc_nodename; /* fc nodename */
struct lpfc_name fc_portname; /* fc portname */

2
drivers/scsi/lpfc/lpfc_ct.c
View File

@ -775,7 +775,7 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
"0267 NameServer GFF Rsp "
"x%x Error (%d %d) Data: x%x x%x\n",
did, irsp->ulpStatus, irsp->un.ulpWord[4],
vport->fc_flag, vport->fc_rscn_id_cnt)
vport->fc_flag, vport->fc_rscn_id_cnt);
}
/* This is a target port, unregistered port, or the GFF_ID failed */

33
drivers/scsi/lpfc/lpfc_disc.h
View File

@ -91,25 +91,26 @@ struct lpfc_nodelist {
};
/* Defines for nlp_flag (uint32) */
#define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */
#define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */
#define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */
#define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */
#define NLP_RNID_SND 0x400 /* sent RNID request for this entry */
#define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */
#define NLP_DEFER_RM 0x10000 /* Remove this ndlp if no longer used */
#define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */
#define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */
#define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */
#define NLP_LOGO_ACC 0x100000 /* Process LOGO after ACC completes */
#define NLP_TGT_NO_SCSIID 0x200000 /* good PRLI but no binding for scsid */
#define NLP_ACC_REGLOGIN 0x1000000 /* Issue Reg Login after successful
#define NLP_PLOGI_SND 0x00000020 /* sent PLOGI request for this entry */
#define NLP_PRLI_SND 0x00000040 /* sent PRLI request for this entry */
#define NLP_ADISC_SND 0x00000080 /* sent ADISC request for this entry */
#define NLP_LOGO_SND 0x00000100 /* sent LOGO request for this entry */
#define NLP_RNID_SND 0x00000400 /* sent RNID request for this entry */
#define NLP_ELS_SND_MASK 0x000007e0 /* sent ELS request for this entry */
#define NLP_DEFER_RM 0x00010000 /* Remove this ndlp if no longer used */
#define NLP_DELAY_TMO 0x00020000 /* delay timeout is running for node */
#define NLP_NPR_2B_DISC 0x00040000 /* node is included in num_disc_nodes */
#define NLP_RCV_PLOGI 0x00080000 /* Rcv'ed PLOGI from remote system */
#define NLP_LOGO_ACC 0x00100000 /* Process LOGO after ACC completes */
#define NLP_TGT_NO_SCSIID 0x00200000 /* good PRLI but no binding for scsid */
#define NLP_ACC_REGLOGIN 0x01000000 /* Issue Reg Login after successful
ACC */
#define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from
#define NLP_NPR_ADISC 0x02000000 /* Issue ADISC when dq'ed from
NPR list */
#define NLP_RM_DFLT_RPI 0x4000000 /* need to remove leftover dflt RPI */
#define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */
#define NLP_RM_DFLT_RPI 0x04000000 /* need to remove leftover dflt RPI */
#define NLP_NODEV_REMOVE 0x08000000 /* Defer removal till discovery ends */
#define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */
#define NLP_SC_REQ 0x20000000 /* Target requires authentication */
/* ndlp usage management macros */
#define NLP_CHK_NODE_ACT(ndlp) (((ndlp)->nlp_usg_map \

133
drivers/scsi/lpfc/lpfc_els.c
View File

@ -1920,18 +1920,15 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
case IOERR_ILLEGAL_COMMAND:
if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) &&
(cmd == ELS_CMD_FDISC)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0124 FDISC failed (3/6) "
"retrying...\n");
lpfc_mbx_unreg_vpi(vport);
retry = 1;
/* FDISC retry policy */
maxretry = 48;
if (cmdiocb->retry >= 32)
delay = 1000;
}
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0124 Retry illegal cmd x%x "
"retry:x%x delay:x%x\n",
cmd, cmdiocb->retry, delay);
retry = 1;
/* All command's retry policy */
maxretry = 8;
if (cmdiocb->retry > 2)
delay = 1000;
break;
case IOERR_NO_RESOURCES:
@ -2017,6 +2014,17 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
case LSRJT_LOGICAL_ERR:
/* There are some cases where switches return this
* error when they are not ready and should be returning
* Logical Busy. We should delay every time.
*/
if (cmd == ELS_CMD_FDISC &&
stat.un.b.lsRjtRsnCodeExp == LSEXP_PORT_LOGIN_REQ) {
maxretry = 3;
delay = 1000;
retry = 1;
break;
}
case LSRJT_PROTOCOL_ERR:
if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
(cmd == ELS_CMD_FDISC) &&
@ -2931,6 +2939,16 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
struct lpfc_hba *phba = vport->phba;
int i;
spin_lock_irq(shost->host_lock);
if (vport->fc_rscn_flush) {
/* Another thread is walking fc_rscn_id_list on this vport */
spin_unlock_irq(shost->host_lock);
return;
}
/* Indicate we are walking lpfc_els_flush_rscn on this vport */
vport->fc_rscn_flush = 1;
spin_unlock_irq(shost->host_lock);
for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]);
vport->fc_rscn_id_list[i] = NULL;
@ -2940,6 +2958,8 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY);
spin_unlock_irq(shost->host_lock);
lpfc_can_disctmo(vport);
/* Indicate we are done walking this fc_rscn_id_list */
vport->fc_rscn_flush = 0;
}
int
@ -2949,6 +2969,7 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
D_ID rscn_did;
uint32_t *lp;
uint32_t payload_len, i;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
ns_did.un.word = did;
@ -2960,6 +2981,15 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
if (vport->fc_flag & FC_RSCN_DISCOVERY)
return did;
spin_lock_irq(shost->host_lock);
if (vport->fc_rscn_flush) {
/* Another thread is walking fc_rscn_id_list on this vport */
spin_unlock_irq(shost->host_lock);
return 0;
}
/* Indicate we are walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 1;
spin_unlock_irq(shost->host_lock);
for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
lp = vport->fc_rscn_id_list[i]->virt;
payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
@ -2970,16 +3000,16 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
switch (rscn_did.un.b.resv) {
case 0: /* Single N_Port ID effected */
if (ns_did.un.word == rscn_did.un.word)
return did;
goto return_did_out;
break;
case 1: /* Whole N_Port Area effected */
if ((ns_did.un.b.domain == rscn_did.un.b.domain)
&& (ns_did.un.b.area == rscn_did.un.b.area))
return did;
goto return_did_out;
break;
case 2: /* Whole N_Port Domain effected */
if (ns_did.un.b.domain == rscn_did.un.b.domain)
return did;
goto return_did_out;
break;
default:
/* Unknown Identifier in RSCN node */
@ -2988,11 +3018,17 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
"RSCN payload Data: x%x\n",
rscn_did.un.word);
case 3: /* Whole Fabric effected */
return did;
goto return_did_out;
}
}
}
/* Indicate we are done with walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
return 0;
return_did_out:
/* Indicate we are done with walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
return did;
}
static int
@ -3034,7 +3070,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
uint32_t *lp, *datap;
IOCB_t *icmd;
uint32_t payload_len, length, nportid, *cmd;
int rscn_cnt = vport->fc_rscn_id_cnt;
int rscn_cnt;
int rscn_id = 0, hba_id = 0;
int i;
@ -3047,7 +3083,8 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
/* RSCN received */
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0214 RSCN received Data: x%x x%x x%x x%x\n",
vport->fc_flag, payload_len, *lp, rscn_cnt);
vport->fc_flag, payload_len, *lp,
vport->fc_rscn_id_cnt);
for (i = 0; i < payload_len/sizeof(uint32_t); i++)
fc_host_post_event(shost, fc_get_event_number(),
FCH_EVT_RSCN, lp[i]);
@ -3085,7 +3122,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
"0214 Ignore RSCN "
"Data: x%x x%x x%x x%x\n",
vport->fc_flag, payload_len,
*lp, rscn_cnt);
*lp, vport->fc_rscn_id_cnt);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV RSCN vport: did:x%x/ste:x%x flg:x%x",
ndlp->nlp_DID, vport->port_state,
@ -3097,6 +3134,18 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
}
spin_lock_irq(shost->host_lock);
if (vport->fc_rscn_flush) {
/* Another thread is walking fc_rscn_id_list on this vport */
spin_unlock_irq(shost->host_lock);
vport->fc_flag |= FC_RSCN_DISCOVERY;
return 0;
}
/* Indicate we are walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 1;
spin_unlock_irq(shost->host_lock);
/* Get the array count after sucessfully have the token */
rscn_cnt = vport->fc_rscn_id_cnt;
/* If we are already processing an RSCN, save the received
* RSCN payload buffer, cmdiocb->context2 to process later.
*/
@ -3118,7 +3167,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
if ((rscn_cnt) &&
(payload_len + length <= LPFC_BPL_SIZE)) {
*cmd &= ELS_CMD_MASK;
*cmd |= be32_to_cpu(payload_len + length);
*cmd |= cpu_to_be32(payload_len + length);
memcpy(((uint8_t *)cmd) + length, lp,
payload_len);
} else {
@ -3129,7 +3178,6 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
*/
cmdiocb->context2 = NULL;
}
/* Deferred RSCN */
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0235 Deferred RSCN "
@ -3146,9 +3194,10 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
vport->fc_rscn_id_cnt, vport->fc_flag,
vport->port_state);
}
/* Indicate we are done walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
/* Send back ACC */
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
/* send RECOVERY event for ALL nodes that match RSCN payload */
lpfc_rscn_recovery_check(vport);
spin_lock_irq(shost->host_lock);
@ -3156,7 +3205,6 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
spin_unlock_irq(shost->host_lock);
return 0;
}
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV RSCN: did:x%x/ste:x%x flg:x%x",
ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
@ -3165,20 +3213,18 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
vport->fc_flag |= FC_RSCN_MODE;
spin_unlock_irq(shost->host_lock);
vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd;
/* Indicate we are done walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
/*
* If we zero, cmdiocb->context2, the calling routine will
* not try to free it.
*/
cmdiocb->context2 = NULL;
lpfc_set_disctmo(vport);
/* Send back ACC */
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
/* send RECOVERY event for ALL nodes that match RSCN payload */
lpfc_rscn_recovery_check(vport);
return lpfc_els_handle_rscn(vport);
}
@ -4343,15 +4389,15 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
vport = lpfc_find_vport_by_vpid(phba, vpi);
}
}
/* If there are no BDEs associated
* with this IOCB, there is nothing to do.
*/
/* If there are no BDEs associated
* with this IOCB, there is nothing to do.
*/
if (icmd->ulpBdeCount == 0)
return;
/* type of ELS cmd is first 32bit word
* in packet
*/
/* type of ELS cmd is first 32bit word
* in packet
*/
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
elsiocb->context2 = bdeBuf1;
} else {
@ -4464,6 +4510,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
switch (mb->mbxStatus) {
case 0x11: /* unsupported feature */
case 0x9603: /* max_vpi exceeded */
case 0x9602: /* Link event since CLEAR_LA */
/* giving up on vport registration */
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
spin_lock_irq(shost->host_lock);
@ -4477,7 +4524,10 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
lpfc_initial_fdisc(vport);
if (vport->port_type == LPFC_PHYSICAL_PORT)
lpfc_initial_flogi(vport);
else
lpfc_initial_fdisc(vport);
break;
}
@ -4795,11 +4845,12 @@ lpfc_resume_fabric_iocbs(struct lpfc_hba *phba)
repeat:
iocb = NULL;
spin_lock_irqsave(&phba->hbalock, iflags);
/* Post any pending iocb to the SLI layer */
/* Post any pending iocb to the SLI layer */
if (atomic_read(&phba->fabric_iocb_count) == 0) {
list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb),
list);
if (iocb)
/* Increment fabric iocb count to hold the position */
atomic_inc(&phba->fabric_iocb_count);
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
@ -4846,9 +4897,7 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
int blocked;
blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
/* Start a timer to unblock fabric
* iocbs after 100ms
*/
/* Start a timer to unblock fabric iocbs after 100ms */
if (!blocked)
mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 );
@ -4896,8 +4945,8 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
atomic_dec(&phba->fabric_iocb_count);
if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) {
/* Post any pending iocbs to HBA */
lpfc_resume_fabric_iocbs(phba);
/* Post any pending iocbs to HBA */
lpfc_resume_fabric_iocbs(phba);
}
}
@ -4916,6 +4965,9 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
ready = atomic_read(&phba->fabric_iocb_count) == 0 &&
!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
if (ready)
/* Increment fabric iocb count to hold the position */
atomic_inc(&phba->fabric_iocb_count);
spin_unlock_irqrestore(&phba->hbalock, iflags);
if (ready) {
iocb->fabric_iocb_cmpl = iocb->iocb_cmpl;
@ -4926,7 +4978,6 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
"Fabric sched2: ste:x%x",
iocb->vport->port_state, 0, 0);
atomic_inc(&phba->fabric_iocb_count);
ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0);
if (ret == IOCB_ERROR) {

1
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -581,6 +581,7 @@ struct ls_rjt { /* Structure is in Big Endian format */
#define LSEXP_INVALID_O_SID 0x15
#define LSEXP_INVALID_OX_RX 0x17
#define LSEXP_CMD_IN_PROGRESS 0x19
#define LSEXP_PORT_LOGIN_REQ 0x1E
#define LSEXP_INVALID_NPORT_ID 0x1F
#define LSEXP_INVALID_SEQ_ID 0x21
#define LSEXP_INVALID_XCHG 0x23

5
drivers/scsi/lpfc/lpfc_init.c
View File

@ -475,7 +475,8 @@ lpfc_hba_down_prep(struct lpfc_hba *phba)
for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
lpfc_cleanup_discovery_resources(vports[i]);
lpfc_destroy_vport_work_array(phba, vports);
} return 0;
}
return 0;
}
/************************************************************************/
@ -1740,9 +1741,9 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
vport = (struct lpfc_vport *) shost->hostdata;
vport->phba = phba;
vport->load_flag |= FC_LOADING;
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
vport->fc_rscn_flush = 0;
lpfc_get_vport_cfgparam(vport);
shost->unique_id = instance;

10
drivers/scsi/lpfc/lpfc_logmsg.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2005 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -35,11 +35,15 @@
#define LOG_ALL_MSG 0xffff /* LOG all messages */
#define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \
do { \
{ if (((mask) &(vport)->cfg_log_verbose) || (level[1] <= '3')) \
dev_printk(level, &((vport)->phba->pcidev)->dev, "%d:(%d):" \
fmt, (vport)->phba->brd_no, vport->vpi, ##arg); }
fmt, (vport)->phba->brd_no, vport->vpi, ##arg); } \
} while (0)
#define lpfc_printf_log(phba, level, mask, fmt, arg...) \
do { \
{ if (((mask) &(phba)->pport->cfg_log_verbose) || (level[1] <= '3')) \
dev_printk(level, &((phba)->pcidev)->dev, "%d:" \
fmt, phba->brd_no, ##arg); }
fmt, phba->brd_no, ##arg); } \
} while (0)

4
drivers/scsi/lpfc/lpfc_mem.c
View File

@ -265,6 +265,9 @@ lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
{
struct hbq_dmabuf *hbq_entry;
if (!mp)
return;
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf);
if (hbq_entry->tag == -1) {
@ -279,4 +282,3 @@ lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
}
return;
}

4
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -2623,14 +2623,14 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
/* Mbox command <mbxCommand> cannot issue */
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag)
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
return MBX_NOT_FINISHED;
}
if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT &&
!(readl(phba->HCregaddr) & HC_MBINT_ENA)) {
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag)
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
return MBX_NOT_FINISHED;
}