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scsi: lpfc: NVME Initiator: Merge into FC discovery

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NVME Initiator: Merge into FC discovery

Adds NVME PRLI support and Nameserver registrations and Queries for NVME

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2017-02-12 13:52:31 -08:00
committed by Martin K. Petersen
parent 895427bd01
commit a0f2d3ef37
10 changed files with 850 additions and 278 deletions
Download Patch File Download Diff File Expand all files Collapse all files

276
drivers/scsi/lpfc/lpfc_els.c
View File

@@ -29,7 +29,6 @@
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@@ -1513,7 +1512,7 @@ static struct lpfc_nodelist *
lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
struct lpfc_nodelist *ndlp)
{
struct lpfc_vport *vport = ndlp->vport;
struct lpfc_vport *vport = ndlp->vport;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_nodelist *new_ndlp;
struct lpfc_rport_data *rdata;
@@ -1868,10 +1867,12 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* PLOGI completes to NPort <nlp_DID> */
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"0102 PLOGI completes to NPort x%x "
"0102 PLOGI completes to NPort x%06x "
"Data: x%x x%x x%x x%x x%x\n",
ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4],
irsp->ulpTimeout, disc, vport->num_disc_nodes);
ndlp->nlp_DID, ndlp->nlp_fc4_type,
irsp->ulpStatus, irsp->un.ulpWord[4],
disc, vport->num_disc_nodes);
/* Check to see if link went down during discovery */
if (lpfc_els_chk_latt(vport)) {
spin_lock_irq(shost->host_lock);
@@ -2000,7 +2001,6 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
sp->cmn.fcphHigh = FC_PH3;
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Issue PLOGI: did:x%x",
@@ -2052,14 +2052,17 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
"PRLI cmpl: status:x%x/x%x did:x%x",
irsp->ulpStatus, irsp->un.ulpWord[4],
ndlp->nlp_DID);
/* Ddriver supports multiple FC4 types. Counters matter. */
vport->fc_prli_sent--;
/* PRLI completes to NPort <nlp_DID> */
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"0103 PRLI completes to NPort x%x "
"0103 PRLI completes to NPort x%06x "
"Data: x%x x%x x%x x%x\n",
ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4],
irsp->ulpTimeout, vport->num_disc_nodes);
vport->num_disc_nodes, ndlp->fc4_prli_sent);
vport->fc_prli_sent--;
/* Check to see if link went down during discovery */
if (lpfc_els_chk_latt(vport))
goto out;
@@ -2068,6 +2071,7 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* Check for retry */
if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
/* ELS command is being retried */
ndlp->fc4_prli_sent--;
goto out;
}
/* PRLI failed */
@@ -2082,9 +2086,14 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_PRLI);
} else
/* Good status, call state machine */
/* Good status, call state machine. However, if another
* PRLI is outstanding, don't call the state machine
* because final disposition to Mapped or Unmapped is
* completed there.
*/
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_PRLI);
out:
lpfc_els_free_iocb(phba, cmdiocb);
return;
@@ -2118,42 +2127,94 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_hba *phba = vport->phba;
PRLI *npr;
struct lpfc_nvme_prli *npr_nvme;
struct lpfc_iocbq *elsiocb;
uint8_t *pcmd;
uint16_t cmdsize;
u32 local_nlp_type, elscmd;
cmdsize = (sizeof(uint32_t) + sizeof(PRLI));
local_nlp_type = ndlp->nlp_fc4_type;
send_next_prli:
if (local_nlp_type & NLP_FC4_FCP) {
/* Payload is 4 + 16 = 20 x14 bytes. */
cmdsize = (sizeof(uint32_t) + sizeof(PRLI));
elscmd = ELS_CMD_PRLI;
} else if (local_nlp_type & NLP_FC4_NVME) {
/* Payload is 4 + 20 = 24 x18 bytes. */
cmdsize = (sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli));
elscmd = ELS_CMD_NVMEPRLI;
} else {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"3083 Unknown FC_TYPE x%x ndlp x%06x\n",
ndlp->nlp_fc4_type, ndlp->nlp_DID);
return 1;
}
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
ndlp->nlp_DID, ELS_CMD_PRLI);
ndlp->nlp_DID, elscmd);
if (!elsiocb)
return 1;
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
/* For PRLI request, remainder of payload is service parameters */
memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t)));
*((uint32_t *) (pcmd)) = ELS_CMD_PRLI;
pcmd += sizeof(uint32_t);
memset(pcmd, 0, cmdsize);
/* For PRLI, remainder of payload is PRLI parameter page */
npr = (PRLI *) pcmd;
/*
* If our firmware version is 3.20 or later,
* set the following bits for FC-TAPE support.
*/
if (phba->vpd.rev.feaLevelHigh >= 0x02) {
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
if (local_nlp_type & NLP_FC4_FCP) {
/* Remainder of payload is FCP PRLI parameter page.
* Note: this data structure is defined as
* BE/LE in the structure definition so no
* byte swap call is made.
*/
*((uint32_t *)(pcmd)) = ELS_CMD_PRLI;
pcmd += sizeof(uint32_t);
npr = (PRLI *)pcmd;
/*
* If our firmware version is 3.20 or later,
* set the following bits for FC-TAPE support.
*/
if (phba->vpd.rev.feaLevelHigh >= 0x02) {
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
}
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
if (vport->cfg_first_burst_size)
npr->writeXferRdyDis = 1;
/* For FCP support */
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
elsiocb->iocb_flag |= LPFC_PRLI_FCP_REQ;
/* Remove FCP type - processed. */
local_nlp_type &= ~NLP_FC4_FCP;
} else if (local_nlp_type & NLP_FC4_NVME) {
/* Remainder of payload is NVME PRLI parameter page.
* This data structure is the newer definition that
* uses bf macros so a byte swap is required.
*/
*((uint32_t *)(pcmd)) = ELS_CMD_NVMEPRLI;
pcmd += sizeof(uint32_t);
npr_nvme = (struct lpfc_nvme_prli *)pcmd;
bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE);
bf_set(prli_estabImagePair, npr_nvme, 0); /* Should be 0 */
/* Only initiators request first burst. */
if ((phba->cfg_nvme_enable_fb) &&
!phba->nvmet_support)
bf_set(prli_fba, npr_nvme, 1);
bf_set(prli_init, npr_nvme, 1);
npr_nvme->word1 = cpu_to_be32(npr_nvme->word1);
npr_nvme->word4 = cpu_to_be32(npr_nvme->word4);
elsiocb->iocb_flag |= LPFC_PRLI_NVME_REQ;
/* Remove NVME type - processed. */
local_nlp_type &= ~NLP_FC4_NVME;
}
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
if (vport->cfg_first_burst_size)
npr->writeXferRdyDis = 1;
/* For FCP support */
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Issue PRLI: did:x%x",
@@ -2172,7 +2233,20 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_els_free_iocb(phba, elsiocb);
return 1;
}
/* The vport counters are used for lpfc_scan_finished, but
* the ndlp is used to track outstanding PRLIs for different
* FC4 types.
*/
vport->fc_prli_sent++;
ndlp->fc4_prli_sent++;
/* The driver supports 2 FC4 types. Make sure
* a PRLI is issued for all types before exiting.
*/
if (local_nlp_type & (NLP_FC4_FCP | NLP_FC4_NVME))
goto send_next_prli;
return 0;
}
@@ -2543,6 +2617,9 @@ out:
if ((vport->fc_flag & FC_PT2PT) &&
!(vport->fc_flag & FC_PT2PT_PLOGI)) {
phba->pport->fc_myDID = 0;
/* todo: init: revise localport nvme attributes */
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (mbox) {
lpfc_config_link(phba, mbox);
@@ -3055,6 +3132,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
}
break;
case ELS_CMD_PRLI:
case ELS_CMD_NVMEPRLI:
if (!lpfc_issue_els_prli(vport, ndlp, retry)) {
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
@@ -3245,7 +3323,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
}
if ((cmd == ELS_CMD_PLOGI) ||
(cmd == ELS_CMD_PRLI)) {
(cmd == ELS_CMD_PRLI) ||
(cmd == ELS_CMD_NVMEPRLI)) {
delay = 1000;
maxretry = lpfc_max_els_tries + 1;
retry = 1;
@@ -3265,7 +3344,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
case LSRJT_LOGICAL_BSY:
if ((cmd == ELS_CMD_PLOGI) ||
(cmd == ELS_CMD_PRLI)) {
(cmd == ELS_CMD_PRLI) ||
(cmd == ELS_CMD_NVMEPRLI)) {
delay = 1000;
maxretry = 48;
} else if (cmd == ELS_CMD_FDISC) {
@@ -3399,7 +3479,8 @@ out_retry:
spin_unlock_irq(shost->host_lock);
ndlp->nlp_prev_state = ndlp->nlp_state;
if (cmd == ELS_CMD_PRLI)
if ((cmd == ELS_CMD_PRLI) ||
(cmd == ELS_CMD_NVMEPRLI))
lpfc_nlp_set_state(vport, ndlp,
NLP_STE_PRLI_ISSUE);
else
@@ -3430,6 +3511,7 @@ out_retry:
lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry);
return 1;
case ELS_CMD_PRLI:
case ELS_CMD_NVMEPRLI:
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry);
@@ -3990,14 +4072,10 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
sizeof(struct lpfc_name));
memcpy(&sp->nodeName, &vport->fc_sparam.nodeName,
sizeof(struct lpfc_name));
} else {
} else
memcpy(pcmd, &vport->fc_sparam,
sizeof(struct serv_parm));
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
}
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
"Issue ACC FLOGI/PLOGI: did:x%x flg:x%x",
ndlp->nlp_DID, ndlp->nlp_flag, 0);
@@ -4231,17 +4309,43 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
{
struct lpfc_hba *phba = vport->phba;
PRLI *npr;
struct lpfc_nvme_prli *npr_nvme;
lpfc_vpd_t *vpd;
IOCB_t *icmd;
IOCB_t *oldcmd;
struct lpfc_iocbq *elsiocb;
uint8_t *pcmd;
uint16_t cmdsize;
uint32_t prli_fc4_req, *req_payload;
struct lpfc_dmabuf *req_buf;
int rc;
u32 elsrspcmd;
/* Need the incoming PRLI payload to determine if the ACC is for an
* FC4 or NVME PRLI type. The PRLI type is at word 1.
*/
req_buf = (struct lpfc_dmabuf *)oldiocb->context2;
req_payload = (((uint32_t *)req_buf->virt) + 1);
/* PRLI type payload is at byte 3 for FCP or NVME. */
prli_fc4_req = be32_to_cpu(*req_payload);
prli_fc4_req = (prli_fc4_req >> 24) & 0xff;
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"6127 PRLI_ACC: Req Type x%x, Word1 x%08x\n",
prli_fc4_req, *((uint32_t *)req_payload));
if (prli_fc4_req == PRLI_FCP_TYPE) {
cmdsize = sizeof(uint32_t) + sizeof(PRLI);
elsrspcmd = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
} else if (prli_fc4_req & PRLI_NVME_TYPE) {
cmdsize = sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli);
elsrspcmd = (ELS_CMD_ACC | (ELS_CMD_NVMEPRLI & ~ELS_RSP_MASK));
} else {
return 1;
}
cmdsize = sizeof(uint32_t) + sizeof(PRLI);
elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)));
ndlp->nlp_DID, elsrspcmd);
if (!elsiocb)
return 1;
@@ -4258,33 +4362,56 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
ndlp->nlp_rpi);
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
memset(pcmd, 0, cmdsize);
*((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
pcmd += sizeof(uint32_t);
/* For PRLI, remainder of payload is PRLI parameter page */
memset(pcmd, 0, sizeof(PRLI));
npr = (PRLI *) pcmd;
vpd = &phba->vpd;
/*
* If the remote port is a target and our firmware version is 3.20 or
* later, set the following bits for FC-TAPE support.
*/
if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
(vpd->rev.feaLevelHigh >= 0x02)) {
if (prli_fc4_req == PRLI_FCP_TYPE) {
/*
* If the remote port is a target and our firmware version
* is 3.20 or later, set the following bits for FC-TAPE
* support.
*/
npr = (PRLI *) pcmd;
if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
(vpd->rev.feaLevelHigh >= 0x02)) {
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
}
npr->acceptRspCode = PRLI_REQ_EXECUTED;
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
}
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
} else if (prli_fc4_req & PRLI_NVME_TYPE) {
/* Respond with an NVME PRLI Type */
npr_nvme = (struct lpfc_nvme_prli *) pcmd;
bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE);
bf_set(prli_estabImagePair, npr_nvme, 0); /* Should be 0 */
bf_set(prli_acc_rsp_code, npr_nvme, PRLI_REQ_EXECUTED);
bf_set(prli_init, npr_nvme, 1);
npr->acceptRspCode = PRLI_REQ_EXECUTED;
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
npr->ConfmComplAllowed = 1;
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
"6015 NVME issue PRLI ACC word1 x%08x "
"word4 x%08x word5 x%08x flag x%x, "
"fcp_info x%x nlp_type x%x\n",
npr_nvme->word1, npr_nvme->word4,
npr_nvme->word5, ndlp->nlp_flag,
ndlp->nlp_fcp_info, ndlp->nlp_type);
npr_nvme->word1 = cpu_to_be32(npr_nvme->word1);
npr_nvme->word4 = cpu_to_be32(npr_nvme->word4);
npr_nvme->word5 = cpu_to_be32(npr_nvme->word5);
} else
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"6128 Unknown FC_TYPE x%x x%x ndlp x%06x\n",
prli_fc4_req, ndlp->nlp_fc4_type,
ndlp->nlp_DID);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
"Issue ACC PRLI: did:x%x flg:x%x",
@@ -4411,7 +4538,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
**/
static void
lpfc_els_clear_rrq(struct lpfc_vport *vport,
struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp)
struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp)
{
struct lpfc_hba *phba = vport->phba;
uint8_t *pcmd;
@@ -4909,7 +5036,7 @@ lpfc_rdp_res_opd_desc(struct fc_rdp_opd_sfp_desc *desc,
memcpy(desc->opd_info.vendor_name, &page_a0[SSF_VENDOR_NAME], 16);
memcpy(desc->opd_info.model_number, &page_a0[SSF_VENDOR_PN], 16);
memcpy(desc->opd_info.serial_number, &page_a0[SSF_VENDOR_SN], 16);
memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 2);
memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 4);
memcpy(desc->opd_info.date, &page_a0[SSF_DATE_CODE], 8);
desc->length = cpu_to_be32(sizeof(desc->opd_info));
return sizeof(struct fc_rdp_opd_sfp_desc);
@@ -5004,7 +5131,7 @@ lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc,
memcpy(desc->port_names.wwnn, phba->wwnn,
sizeof(desc->port_names.wwnn));
memcpy(desc->port_names.wwpn, &phba->wwpn,
memcpy(desc->port_names.wwpn, phba->wwpn,
sizeof(desc->port_names.wwpn));
desc->length = cpu_to_be32(sizeof(desc->port_names));
@@ -5233,9 +5360,8 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
struct ls_rjt stat;
if (phba->sli_rev < LPFC_SLI_REV4 ||
(bf_get(lpfc_sli_intf_if_type,
&phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2)) {
bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2) {
rjt_err = LSRJT_UNABLE_TPC;
rjt_expl = LSEXP_REQ_UNSUPPORTED;
goto error;
@@ -5976,9 +6102,11 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
if (ndlp && NLP_CHK_NODE_ACT(ndlp)
&& ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
/* Good ndlp, issue CT Request to NameServer */
if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0)
vport->gidft_inp = 0;
if (lpfc_issue_gidft(vport) == 0)
/* Wait for NameServer query cmpl before we can
continue */
* continue
*/
return 1;
} else {
/* If login to NameServer does not exist, issue one */
@@ -6082,7 +6210,6 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
(void) lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1);
/*
* If our portname is greater than the remote portname,
* then we initiate Nport login.
@@ -7779,6 +7906,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
lpfc_els_rcv_fan(vport, elsiocb, ndlp);
break;
case ELS_CMD_PRLI:
case ELS_CMD_NVMEPRLI:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV PRLI: did:x%x/ste:x%x flg:x%x",
did, vport->port_state, ndlp->nlp_flag);
@@ -8883,8 +9011,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
}
if (atomic_read(&phba->fabric_iocb_count) == 0)
BUG();
BUG_ON(atomic_read(&phba->fabric_iocb_count) == 0);
cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl;
cmdiocb->fabric_iocb_cmpl = NULL;
@@ -8929,8 +9056,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
int ready;
int ret;
if (atomic_read(&phba->fabric_iocb_count) > 1)
BUG();
BUG_ON(atomic_read(&phba->fabric_iocb_count) > 1);
spin_lock_irqsave(&phba->hbalock, iflags);
ready = atomic_read(&phba->fabric_iocb_count) == 0 &&