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[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - FCOE Discovery support

Browse Source 
SLI4 supports both FC and FCOE, with some extended topology objects.
This patch adss support for the objects, and updates the disovery
engines for their use.

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 2009-05-22 14:52:59 -04:00 committed by James Bottomley
parent 04c6849684
commit 6fb120a7ed
6 changed files with 1756 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/scsi/lpfc/lpfc_attr.c
View File

@ -2924,6 +2924,14 @@ LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat.");
*/ */
LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
/*
# lpfc_enable_fip: When set, FIP is required to start discovery. If not
# set, the driver will add an FCF record manually if the port has no
# FCF records available and start discovery.
# Value range is [0,1]. Default value is 1 (enabled)
*/
LPFC_ATTR_RW(enable_fip, 0, 0, 1, "Enable FIP Discovery");
/* /*
# lpfc_prot_mask: i # lpfc_prot_mask: i
@ -2990,6 +2998,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_peer_port_login, &dev_attr_lpfc_peer_port_login,
&dev_attr_lpfc_nodev_tmo, &dev_attr_lpfc_nodev_tmo,
&dev_attr_lpfc_devloss_tmo, &dev_attr_lpfc_devloss_tmo,
&dev_attr_lpfc_enable_fip,
&dev_attr_lpfc_fcp_class, &dev_attr_lpfc_fcp_class,
&dev_attr_lpfc_use_adisc, &dev_attr_lpfc_use_adisc,
&dev_attr_lpfc_ack0, &dev_attr_lpfc_ack0,
@ -3042,6 +3051,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
&dev_attr_lpfc_lun_queue_depth, &dev_attr_lpfc_lun_queue_depth,
&dev_attr_lpfc_nodev_tmo, &dev_attr_lpfc_nodev_tmo,
&dev_attr_lpfc_devloss_tmo, &dev_attr_lpfc_devloss_tmo,
&dev_attr_lpfc_enable_fip,
&dev_attr_lpfc_hba_queue_depth, &dev_attr_lpfc_hba_queue_depth,
&dev_attr_lpfc_peer_port_login, &dev_attr_lpfc_peer_port_login,
&dev_attr_lpfc_restrict_login, &dev_attr_lpfc_restrict_login,
@ -4167,26 +4177,10 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
phba->cfg_soft_wwpn = 0L; phba->cfg_soft_wwpn = 0L;
lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt);
/*
* Since the sg_tablesize is module parameter, the sg_dma_buf_size
* used to create the sg_dma_buf_pool must be dynamically calculated.
* 2 segments are added since the IOCB needs a command and response bde.
*/
phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
sizeof(struct fcp_rsp) +
((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
if (phba->cfg_enable_bg) {
phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
phba->cfg_sg_dma_buf_size +=
phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
}
/* Also reinitialize the host templates with new values. */
lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
lpfc_enable_fip_init(phba, lpfc_enable_fip);
lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
return; return;
} }

3
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -23,6 +23,8 @@ typedef int (*node_filter)(struct lpfc_nodelist *, void *);
struct fc_rport; struct fc_rport;
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t); void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
int lpfc_dump_fcoe_param(struct lpfc_hba *, struct lpfcMboxq *);
void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
@ -108,6 +110,7 @@ int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *); int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t); int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *, int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,

179
drivers/scsi/lpfc/lpfc_els.c
View File

@ -387,6 +387,75 @@ fail:
return -ENXIO; return -ENXIO;
} }
/**
* lpfc_issue_reg_vfi - Register VFI for this vport's fabric login
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine issues a REG_VFI mailbox for the vfi, vpi, fcfi triplet for
* the @vport. This mailbox command is necessary for FCoE only.
*
* Return code
* 0 - successfully issued REG_VFI for @vport
* A failure code otherwise.
**/
static int
lpfc_issue_reg_vfi(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
LPFC_MBOXQ_t *mboxq;
struct lpfc_nodelist *ndlp;
struct serv_parm *sp;
struct lpfc_dmabuf *dmabuf;
int rc = 0;
sp = &phba->fc_fabparam;
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
rc = -ENODEV;
goto fail;
}
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (!dmabuf) {
rc = -ENOMEM;
goto fail;
}
dmabuf->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &dmabuf->phys);
if (!dmabuf->virt) {
rc = -ENOMEM;
goto fail_free_dmabuf;
}
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq) {
rc = -ENOMEM;
goto fail_free_coherent;
}
vport->port_state = LPFC_FABRIC_CFG_LINK;
memcpy(dmabuf->virt, &phba->fc_fabparam, sizeof(vport->fc_sparam));
lpfc_reg_vfi(mboxq, vport, dmabuf->phys);
mboxq->mbox_cmpl = lpfc_mbx_cmpl_reg_vfi;
mboxq->vport = vport;
mboxq->context1 = dmabuf;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
rc = -ENXIO;
goto fail_free_mbox;
}
return 0;
fail_free_mbox:
mempool_free(mboxq, phba->mbox_mem_pool);
fail_free_coherent:
lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
fail_free_dmabuf:
kfree(dmabuf);
fail:
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0289 Issue Register VFI failed: Err %d\n", rc);
return rc;
}
/** /**
* lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port
* @vport: pointer to a host virtual N_Port data structure. * @vport: pointer to a host virtual N_Port data structure.
@ -499,17 +568,24 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
} }
} }
lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); if (phba->sli_rev < LPFC_SLI_REV4) {
lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE);
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED &&
vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) { vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
lpfc_register_new_vport(phba, vport, ndlp); lpfc_register_new_vport(phba, vport, ndlp);
return 0; else
lpfc_issue_fabric_reglogin(vport);
} else {
ndlp->nlp_type |= NLP_FABRIC;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
if (vport->vfi_state & LPFC_VFI_REGISTERED) {
lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
} else
lpfc_issue_reg_vfi(vport);
} }
lpfc_issue_fabric_reglogin(vport);
return 0; return 0;
} }
/** /**
* lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port
* @vport: pointer to a host virtual N_Port data structure. * @vport: pointer to a host virtual N_Port data structure.
@ -817,9 +893,14 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
if (sp->cmn.fcphHigh < FC_PH3) if (sp->cmn.fcphHigh < FC_PH3)
sp->cmn.fcphHigh = FC_PH3; sp->cmn.fcphHigh = FC_PH3;
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { if (phba->sli_rev == LPFC_SLI_REV4) {
elsiocb->iocb.ulpCt_h = ((SLI4_CT_FCFI >> 1) & 1);
elsiocb->iocb.ulpCt_l = (SLI4_CT_FCFI & 1);
/* FLOGI needs to be 3 for WQE FCFI */
/* Set the fcfi to the fcfi we registered with */
elsiocb->iocb.ulpContext = phba->fcf.fcfi;
} else if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
sp->cmn.request_multiple_Nport = 1; sp->cmn.request_multiple_Nport = 1;
/* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */
icmd->ulpCt_h = 1; icmd->ulpCt_h = 1;
icmd->ulpCt_l = 0; icmd->ulpCt_l = 0;
@ -932,6 +1013,8 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
if (!ndlp) if (!ndlp)
return 0; return 0;
lpfc_nlp_init(vport, ndlp, Fabric_DID); lpfc_nlp_init(vport, ndlp, Fabric_DID);
/* Set the node type */
ndlp->nlp_type |= NLP_FABRIC;
/* Put ndlp onto node list */ /* Put ndlp onto node list */
lpfc_enqueue_node(vport, ndlp); lpfc_enqueue_node(vport, ndlp);
} else if (!NLP_CHK_NODE_ACT(ndlp)) { } else if (!NLP_CHK_NODE_ACT(ndlp)) {
@ -1604,7 +1687,8 @@ lpfc_adisc_done(struct lpfc_vport *vport)
* and continue discovery. * and continue discovery.
*/ */
if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
!(vport->fc_flag & FC_RSCN_MODE)) { !(vport->fc_flag & FC_RSCN_MODE) &&
(phba->sli_rev < LPFC_SLI_REV4)) {
lpfc_issue_reg_vpi(phba, vport); lpfc_issue_reg_vpi(phba, vport);
return; return;
} }
@ -2937,6 +3021,14 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
/*
* This routine is used to register and unregister in previous SLI
* modes.
*/
if ((pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) &&
(phba->sli_rev == LPFC_SLI_REV4))
lpfc_sli4_free_rpi(phba, pmb->u.mb.un.varUnregLogin.rpi);
pmb->context1 = NULL; pmb->context1 = NULL;
lpfc_mbuf_free(phba, mp->virt, mp->phys); lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp); kfree(mp);
@ -3816,7 +3908,9 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
payload_len -= sizeof(uint32_t); payload_len -= sizeof(uint32_t);
switch (rscn_did.un.b.resv & RSCN_ADDRESS_FORMAT_MASK) { switch (rscn_did.un.b.resv & RSCN_ADDRESS_FORMAT_MASK) {
case RSCN_ADDRESS_FORMAT_PORT: case RSCN_ADDRESS_FORMAT_PORT:
if (ns_did.un.word == rscn_did.un.word) if ((ns_did.un.b.domain == rscn_did.un.b.domain)
&& (ns_did.un.b.area == rscn_did.un.b.area)
&& (ns_did.un.b.id == rscn_did.un.b.id))
goto return_did_out; goto return_did_out;
break; break;
case RSCN_ADDRESS_FORMAT_AREA: case RSCN_ADDRESS_FORMAT_AREA:
@ -4857,7 +4951,10 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
} else { } else {
/* FAN verified - skip FLOGI */ /* FAN verified - skip FLOGI */
vport->fc_myDID = vport->fc_prevDID; vport->fc_myDID = vport->fc_prevDID;
lpfc_issue_fabric_reglogin(vport); if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport);
else
lpfc_issue_reg_vfi(vport);
} }
} }
return 0; return 0;
@ -5540,11 +5637,10 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
dropit: dropit:
if (vport && !(vport->load_flag & FC_UNLOADING)) if (vport && !(vport->load_flag & FC_UNLOADING))
lpfc_printf_log(phba, KERN_ERR, LOG_ELS, lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"(%d):0111 Dropping received ELS cmd " "0111 Dropping received ELS cmd "
"Data: x%x x%x x%x\n", "Data: x%x x%x x%x\n",
vport->vpi, icmd->ulpStatus, icmd->ulpStatus, icmd->un.ulpWord[4], icmd->ulpTimeout);
icmd->un.ulpWord[4], icmd->ulpTimeout);
phba->fc_stat.elsRcvDrop++; phba->fc_stat.elsRcvDrop++;
} }
@ -5620,10 +5716,9 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) {
if (icmd->unsli3.rcvsli3.vpi == 0xffff) if (icmd->unsli3.rcvsli3.vpi == 0xffff)
vport = phba->pport; vport = phba->pport;
else { else
uint16_t vpi = icmd->unsli3.rcvsli3.vpi; vport = lpfc_find_vport_by_vpid(phba,
vport = lpfc_find_vport_by_vpid(phba, vpi); icmd->unsli3.rcvsli3.vpi - phba->vpi_base);
}
} }
/* If there are no BDEs associated /* If there are no BDEs associated
* with this IOCB, there is nothing to do. * with this IOCB, there is nothing to do.
@ -5792,7 +5887,10 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
} else { } else {
if (vport == phba->pport) if (vport == phba->pport)
lpfc_issue_fabric_reglogin(vport); if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport);
else
lpfc_issue_reg_vfi(vport);
else else
lpfc_do_scr_ns_plogi(phba, vport); lpfc_do_scr_ns_plogi(phba, vport);
} }
@ -5824,7 +5922,7 @@ lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (mbox) { if (mbox) {
lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox); lpfc_reg_vpi(vport, mbox);
mbox->vport = vport; mbox->vport = vport;
mbox->context2 = lpfc_nlp_get(ndlp); mbox->context2 = lpfc_nlp_get(ndlp);
mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport;
@ -6496,3 +6594,38 @@ void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
IOERR_SLI_ABORTED); IOERR_SLI_ABORTED);
} }
/**
* lpfc_sli4_els_xri_aborted - Slow-path process of els xri abort
* @phba: pointer to lpfc hba data structure.
* @axri: pointer to the els xri abort wcqe structure.
*
* This routine is invoked by the worker thread to process a SLI4 slow-path
* ELS aborted xri.
**/
void
lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba,
struct sli4_wcqe_xri_aborted *axri)
{
uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
unsigned long iflag = 0;
spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock, iflag);
list_for_each_entry_safe(sglq_entry, sglq_next,
&phba->sli4_hba.lpfc_abts_els_sgl_list, list) {
if (sglq_entry->sli4_xritag == xri) {
list_del(&sglq_entry->list);
spin_unlock_irqrestore(
&phba->sli4_hba.abts_sgl_list_lock,
iflag);
spin_lock_irqsave(&phba->hbalock, iflag);
list_add_tail(&sglq_entry->list,
&phba->sli4_hba.lpfc_sgl_list);
spin_unlock_irqrestore(&phba->hbalock, iflag);
return;
}
}
spin_unlock_irqrestore(&phba->sli4_hba.abts_sgl_list_lock, iflag);
}

1055
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

File diff suppressed because it is too large Load Diff

34
drivers/scsi/lpfc/lpfc_nportdisc.c
View File

@ -363,7 +363,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
if (!mbox) if (!mbox)
goto out; goto out;
rc = lpfc_reg_login(phba, vport->vpi, icmd->un.rcvels.remoteID, rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID,
(uint8_t *) sp, mbox, 0); (uint8_t *) sp, mbox, 0);
if (rc) { if (rc) {
mempool_free(mbox, phba->mbox_mem_pool); mempool_free(mbox, phba->mbox_mem_pool);
@ -497,11 +497,19 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
else else
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
if ((ndlp->nlp_type & NLP_FABRIC) &&
vport->port_type == LPFC_NPIV_PORT) {
lpfc_linkdown_port(vport);
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
if ((!(ndlp->nlp_type & NLP_FABRIC) && ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
((ndlp->nlp_type & NLP_FCP_TARGET) || } else if ((!(ndlp->nlp_type & NLP_FABRIC) &&
!(ndlp->nlp_type & NLP_FCP_INITIATOR))) || ((ndlp->nlp_type & NLP_FCP_TARGET) ||
(ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { !(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
(ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
/* Only try to re-login if this is NOT a Fabric Node */ /* Only try to re-login if this is NOT a Fabric Node */
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
spin_lock_irq(shost->host_lock); spin_lock_irq(shost->host_lock);
@ -569,7 +577,7 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{ {
struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
if (!ndlp->nlp_rpi) { if (!(ndlp->nlp_flag & NLP_RPI_VALID)) {
ndlp->nlp_flag &= ~NLP_NPR_ADISC; ndlp->nlp_flag &= ~NLP_NPR_ADISC;
return 0; return 0;
} }
@ -859,7 +867,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
lpfc_unreg_rpi(vport, ndlp); lpfc_unreg_rpi(vport, ndlp);
if (lpfc_reg_login(phba, vport->vpi, irsp->un.elsreq64.remoteID, if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID,
(uint8_t *) sp, mbox, 0) == 0) { (uint8_t *) sp, mbox, 0) == 0) {
switch (ndlp->nlp_DID) { switch (ndlp->nlp_DID) {
case NameServer_DID: case NameServer_DID:
@ -1070,6 +1078,7 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
struct lpfc_iocbq *cmdiocb, *rspiocb; struct lpfc_iocbq *cmdiocb, *rspiocb;
IOCB_t *irsp; IOCB_t *irsp;
ADISC *ap; ADISC *ap;
int rc;
cmdiocb = (struct lpfc_iocbq *) arg; cmdiocb = (struct lpfc_iocbq *) arg;
rspiocb = cmdiocb->context_un.rsp_iocb; rspiocb = cmdiocb->context_un.rsp_iocb;
@ -1095,6 +1104,15 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
return ndlp->nlp_state; return ndlp->nlp_state;
} }
if (phba->sli_rev == LPFC_SLI_REV4) {
rc = lpfc_sli4_resume_rpi(ndlp);
if (rc) {
/* Stay in state and retry. */
ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
return ndlp->nlp_state;
}
}
if (ndlp->nlp_type & NLP_FCP_TARGET) { if (ndlp->nlp_type & NLP_FCP_TARGET) {
ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
@ -1102,6 +1120,7 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
} }
return ndlp->nlp_state; return ndlp->nlp_state;
} }
@ -1285,6 +1304,7 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
} }
ndlp->nlp_rpi = mb->un.varWords[0]; ndlp->nlp_rpi = mb->un.varWords[0];
ndlp->nlp_flag |= NLP_RPI_VALID;
/* Only if we are not a fabric nport do we issue PRLI */ /* Only if we are not a fabric nport do we issue PRLI */
if (!(ndlp->nlp_type & NLP_FABRIC)) { if (!(ndlp->nlp_type & NLP_FABRIC)) {

517
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -10929,3 +10929,520 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba)
}; };
return 0; return 0;
} }
/**
* lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to post rpi header templates to the
* HBA consistent with the SLI-4 interface spec. This routine
* posts a PAGE_SIZE memory region to the port to hold up to
* PAGE_SIZE modulo 64 rpi context headers.
*
* This routine does not require any locks. It's usage is expected
* to be driver load or reset recovery when the driver is
* sequential.
*
* Return codes
* 0 - sucessful
* EIO - The mailbox failed to complete successfully.
* When this error occurs, the driver is not guaranteed
* to have any rpi regions posted to the device and
* must either attempt to repost the regions or take a
* fatal error.
**/
int
lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba)
{
struct lpfc_rpi_hdr *rpi_page;
uint32_t rc = 0;
/* Post all rpi memory regions to the port. */
list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2008 Error %d posting all rpi "
"headers\n", rc);
rc = -EIO;
break;
}
}
return rc;
}
/**
* lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port
* @phba: pointer to lpfc hba data structure.
* @rpi_page: pointer to the rpi memory region.
*
* This routine is invoked to post a single rpi header to the
* HBA consistent with the SLI-4 interface spec. This memory region
* maps up to 64 rpi context regions.
*
* Return codes
* 0 - sucessful
* ENOMEM - No available memory
* EIO - The mailbox failed to complete successfully.
**/
int
lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page)
{
LPFC_MBOXQ_t *mboxq;
struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl;
uint32_t rc = 0;
uint32_t mbox_tmo;
uint32_t shdr_status, shdr_add_status;
union lpfc_sli4_cfg_shdr *shdr;
/* The port is notified of the header region via a mailbox command. */
mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2001 Unable to allocate memory for issuing "
"SLI_CONFIG_SPECIAL mailbox command\n");
return -ENOMEM;
}
/* Post all rpi memory regions to the port. */
hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl;
mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE,
sizeof(struct lpfc_mbx_post_hdr_tmpl) -
sizeof(struct mbox_header), LPFC_SLI4_MBX_EMBED);
bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt,
hdr_tmpl, rpi_page->page_count);
bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl,
rpi_page->start_rpi);
hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys);
hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys);
if (!phba->sli4_hba.intr_enable)
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
else
rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr;
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
if (rc != MBX_TIMEOUT)
mempool_free(mboxq, phba->mbox_mem_pool);
if (shdr_status || shdr_add_status || rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2514 POST_RPI_HDR mailbox failed with "
"status x%x add_status x%x, mbx status x%x\n",
shdr_status, shdr_add_status, rc);
rc = -ENXIO;
}
return rc;
}
/**
* lpfc_sli4_alloc_rpi - Get an available rpi in the device's range
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to post rpi header templates to the
* HBA consistent with the SLI-4 interface spec. This routine
* posts a PAGE_SIZE memory region to the port to hold up to
* PAGE_SIZE modulo 64 rpi context headers.
*
* Returns
* A nonzero rpi defined as rpi_base <= rpi < max_rpi if sucessful
* LPFC_RPI_ALLOC_ERROR if no rpis are available.
**/
int
lpfc_sli4_alloc_rpi(struct lpfc_hba *phba)
{
int rpi;
uint16_t max_rpi, rpi_base, rpi_limit;
uint16_t rpi_remaining;
struct lpfc_rpi_hdr *rpi_hdr;
max_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
rpi_base = phba->sli4_hba.max_cfg_param.rpi_base;
rpi_limit = phba->sli4_hba.next_rpi;
/*
* The valid rpi range is not guaranteed to be zero-based. Start
* the search at the rpi_base as reported by the port.
*/
spin_lock_irq(&phba->hbalock);
rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, rpi_base);
if (rpi >= rpi_limit || rpi < rpi_base)
rpi = LPFC_RPI_ALLOC_ERROR;
else {
set_bit(rpi, phba->sli4_hba.rpi_bmask);
phba->sli4_hba.max_cfg_param.rpi_used++;
phba->sli4_hba.rpi_count++;
}
/*
* Don't try to allocate more rpi header regions if the device limit
* on available rpis max has been exhausted.
*/
if ((rpi == LPFC_RPI_ALLOC_ERROR) &&
(phba->sli4_hba.rpi_count >= max_rpi)) {
spin_unlock_irq(&phba->hbalock);
return rpi;
}
/*
* If the driver is running low on rpi resources, allocate another
* page now. Note that the next_rpi value is used because
* it represents how many are actually in use whereas max_rpi notes
* how many are supported max by the device.
*/
rpi_remaining = phba->sli4_hba.next_rpi - rpi_base -
phba->sli4_hba.rpi_count;
spin_unlock_irq(&phba->hbalock);
if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) {
rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
if (!rpi_hdr) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2002 Error Could not grow rpi "
"count\n");
} else {
lpfc_sli4_post_rpi_hdr(phba, rpi_hdr);
}
}
return rpi;
}
/**
* lpfc_sli4_free_rpi - Release an rpi for reuse.
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to release an rpi to the pool of
* available rpis maintained by the driver.
**/
void
lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi)
{
spin_lock_irq(&phba->hbalock);
clear_bit(rpi, phba->sli4_hba.rpi_bmask);
phba->sli4_hba.rpi_count--;
phba->sli4_hba.max_cfg_param.rpi_used--;
spin_unlock_irq(&phba->hbalock);
}
/**
* lpfc_sli4_remove_rpis - Remove the rpi bitmask region
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to remove the memory region that
* provided rpi via a bitmask.
**/
void
lpfc_sli4_remove_rpis(struct lpfc_hba *phba)
{
kfree(phba->sli4_hba.rpi_bmask);
}
/**
* lpfc_sli4_resume_rpi - Remove the rpi bitmask region
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to remove the memory region that
* provided rpi via a bitmask.
**/
int
lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp)
{
LPFC_MBOXQ_t *mboxq;
struct lpfc_hba *phba = ndlp->phba;
int rc;
/* The port is notified of the header region via a mailbox command. */
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq)
return -ENOMEM;
/* Post all rpi memory regions to the port. */
lpfc_resume_rpi(mboxq, ndlp);
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2010 Resume RPI Mailbox failed "
"status %d, mbxStatus x%x\n", rc,
bf_get(lpfc_mqe_status, &mboxq->u.mqe));
mempool_free(mboxq, phba->mbox_mem_pool);
return -EIO;
}
return 0;
}
/**
* lpfc_sli4_init_vpi - Initialize a vpi with the port
* @phba: pointer to lpfc hba data structure.
* @vpi: vpi value to activate with the port.
*
* This routine is invoked to activate a vpi with the
* port when the host intends to use vports with a
* nonzero vpi.
*
* Returns:
* 0 success
* -Evalue otherwise
**/
int
lpfc_sli4_init_vpi(struct lpfc_hba *phba, uint16_t vpi)
{
LPFC_MBOXQ_t *mboxq;
int rc = 0;
uint32_t mbox_tmo;
if (vpi == 0)
return -EINVAL;
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq)
return -ENOMEM;
lpfc_init_vpi(mboxq, vpi);
mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_INIT_VPI);
rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
if (rc != MBX_TIMEOUT)
mempool_free(mboxq, phba->mbox_mem_pool);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2022 INIT VPI Mailbox failed "
"status %d, mbxStatus x%x\n", rc,
bf_get(lpfc_mqe_status, &mboxq->u.mqe));
rc = -EIO;
}
return rc;
}
/**
* lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler.
* @phba: pointer to lpfc hba data structure.
* @mboxq: Pointer to mailbox object.
*
* This routine is invoked to manually add a single FCF record. The caller
* must pass a completely initialized FCF_Record. This routine takes
* care of the nonembedded mailbox operations.
**/
static void
lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
void *virt_addr;
union lpfc_sli4_cfg_shdr *shdr;
uint32_t shdr_status, shdr_add_status;
virt_addr = mboxq->sge_array->addr[0];
/* The IOCTL status is embedded in the mailbox subheader. */
shdr = (union lpfc_sli4_cfg_shdr *) virt_addr;
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
if ((shdr_status || shdr_add_status) &&
(shdr_status != STATUS_FCF_IN_USE))
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2558 ADD_FCF_RECORD mailbox failed with "
"status x%x add_status x%x\n",
shdr_status, shdr_add_status);
lpfc_sli4_mbox_cmd_free(phba, mboxq);
}
/**
* lpfc_sli4_add_fcf_record - Manually add an FCF Record.
* @phba: pointer to lpfc hba data structure.
* @fcf_record: pointer to the initialized fcf record to add.
*
* This routine is invoked to manually add a single FCF record. The caller
* must pass a completely initialized FCF_Record. This routine takes
* care of the nonembedded mailbox operations.
**/
int
lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record)
{
int rc = 0;
LPFC_MBOXQ_t *mboxq;
uint8_t *bytep;
void *virt_addr;
dma_addr_t phys_addr;
struct lpfc_mbx_sge sge;
uint32_t alloc_len, req_len;
uint32_t fcfindex;
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2009 Failed to allocate mbox for ADD_FCF cmd\n");
return -ENOMEM;
}
req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) +
sizeof(uint32_t);
/* Allocate DMA memory and set up the non-embedded mailbox command */
alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
LPFC_MBOX_OPCODE_FCOE_ADD_FCF,
req_len, LPFC_SLI4_MBX_NEMBED);
if (alloc_len < req_len) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2523 Allocated DMA memory size (x%x) is "
"less than the requested DMA memory "
"size (x%x)\n", alloc_len, req_len);
lpfc_sli4_mbox_cmd_free(phba, mboxq);
return -ENOMEM;
}
/*
* Get the first SGE entry from the non-embedded DMA memory. This
* routine only uses a single SGE.
*/
lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
if (unlikely(!mboxq->sge_array)) {
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
"2526 Failed to get the non-embedded SGE "
"virtual address\n");
lpfc_sli4_mbox_cmd_free(phba, mboxq);
return -ENOMEM;
}
virt_addr = mboxq->sge_array->addr[0];
/*
* Configure the FCF record for FCFI 0. This is the driver's
* hardcoded default and gets used in nonFIP mode.
*/
fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record);
bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t));
/*
* Copy the fcf_index and the FCF Record Data. The data starts after
* the FCoE header plus word10. The data copy needs to be endian
* correct.
*/
bytep += sizeof(uint32_t);
lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record));
mboxq->vport = phba->pport;
mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2515 ADD_FCF_RECORD mailbox failed with "
"status 0x%x\n", rc);
lpfc_sli4_mbox_cmd_free(phba, mboxq);
rc = -EIO;
} else
rc = 0;
return rc;
}
/**
* lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record.
* @phba: pointer to lpfc hba data structure.
* @fcf_record: pointer to the fcf record to write the default data.
* @fcf_index: FCF table entry index.
*
* This routine is invoked to build the driver's default FCF record. The
* values used are hardcoded. This routine handles memory initialization.
*
**/
void
lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba,
struct fcf_record *fcf_record,
uint16_t fcf_index)
{
memset(fcf_record, 0, sizeof(struct fcf_record));
fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE;
fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER;
fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY;
bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]);
bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]);
bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]);
bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3);
bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4);
bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5);
bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]);
bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]);
bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]);
bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1);
bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index);
bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record,
LPFC_FCF_FPMA | LPFC_FCF_SPMA);
/* Set the VLAN bit map */
if (phba->valid_vlan) {
fcf_record->vlan_bitmap[phba->vlan_id / 8]
= 1 << (phba->vlan_id % 8);
}
}
/**
* lpfc_sli4_read_fcf_record - Read the driver's default FCF Record.
* @phba: pointer to lpfc hba data structure.
* @fcf_index: FCF table entry offset.
*
* This routine is invoked to read up to @fcf_num of FCF record from the
* device starting with the given @fcf_index.
**/
int
lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
{
int rc = 0, error;
LPFC_MBOXQ_t *mboxq;
void *virt_addr;
dma_addr_t phys_addr;
uint8_t *bytep;
struct lpfc_mbx_sge sge;
uint32_t alloc_len, req_len;
struct lpfc_mbx_read_fcf_tbl *read_fcf;
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2000 Failed to allocate mbox for "
"READ_FCF cmd\n");
return -ENOMEM;
}
req_len = sizeof(struct fcf_record) +
sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
/* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
LPFC_SLI4_MBX_NEMBED);
if (alloc_len < req_len) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0291 Allocated DMA memory size (x%x) is "
"less than the requested DMA memory "
"size (x%x)\n", alloc_len, req_len);
lpfc_sli4_mbox_cmd_free(phba, mboxq);
return -ENOMEM;
}
/* Get the first SGE entry from the non-embedded DMA memory. This
* routine only uses a single SGE.
*/
lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
if (unlikely(!mboxq->sge_array)) {
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
"2527 Failed to get the non-embedded SGE "
"virtual address\n");
lpfc_sli4_mbox_cmd_free(phba, mboxq);
return -ENOMEM;
}
virt_addr = mboxq->sge_array->addr[0];
read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
/* Set up command fields */
bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
/* Perform necessary endian conversion */
bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
mboxq->vport = phba->pport;
mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_record;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_sli4_mbox_cmd_free(phba, mboxq);
error = -EIO;
} else
error = 0;
return error;
}