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Commit 6fb120a7 authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - FCOE Discovery support 

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: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 04c68496
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Showing with 1756 additions and 64 deletions
drivers/scsi/lpfc/lpfc_attr.c
View file @ 6fb120a7
...@@ -2924,6 +2924,14 @@ LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); ...@@ -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[] = { ...@@ -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[] = { ...@@ -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) ...@@ -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;
} }
......
drivers/scsi/lpfc/lpfc_crtn.h
View file @ 6fb120a7
...@@ -23,6 +23,8 @@ typedef int (*node_filter)(struct lpfc_nodelist *, void *); ...@@ -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); ...@@ -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 *,
......
drivers/scsi/lpfc/lpfc_els.c
View file @ 6fb120a7
...@@ -387,6 +387,75 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) ...@@ -387,6 +387,75 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
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, ...@@ -499,17 +568,24 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
} }
} }
if (phba->sli_rev < LPFC_SLI_REV4) {
lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); 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); 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);
}
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, ...@@ -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) ...@@ -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) ...@@ -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) ...@@ -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) ...@@ -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, ...@@ -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;
if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport); 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, ...@@ -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, ...@@ -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) ...@@ -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)
if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport); 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, ...@@ -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) ...@@ -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);
}
drivers/scsi/lpfc/lpfc_hbadisc.c
View file @ 6fb120a7
...@@ -275,6 +275,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) ...@@ -275,6 +275,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
!(ndlp->nlp_flag & NLP_NPR_2B_DISC) && !(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
(ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE))
lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
lpfc_unregister_unused_fcf(phba);
} }
/** /**
...@@ -297,10 +299,11 @@ lpfc_alloc_fast_evt(struct lpfc_hba *phba) { ...@@ -297,10 +299,11 @@ lpfc_alloc_fast_evt(struct lpfc_hba *phba) {
ret = kzalloc(sizeof(struct lpfc_fast_path_event), ret = kzalloc(sizeof(struct lpfc_fast_path_event),
GFP_ATOMIC); GFP_ATOMIC);
if (ret) if (ret) {
atomic_inc(&phba->fast_event_count); atomic_inc(&phba->fast_event_count);
INIT_LIST_HEAD(&ret->work_evt.evt_listp); INIT_LIST_HEAD(&ret->work_evt.evt_listp);
ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
}
return ret; return ret;
} }
...@@ -741,6 +744,7 @@ lpfc_linkdown(struct lpfc_hba *phba) ...@@ -741,6 +744,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
if (phba->link_state == LPFC_LINK_DOWN) if (phba->link_state == LPFC_LINK_DOWN)
return 0; return 0;
spin_lock_irq(&phba->hbalock); spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_DISCOVERED);
if (phba->link_state > LPFC_LINK_DOWN) { if (phba->link_state > LPFC_LINK_DOWN) {
phba->link_state = LPFC_LINK_DOWN; phba->link_state = LPFC_LINK_DOWN;
phba->pport->fc_flag &= ~FC_LBIT; phba->pport->fc_flag &= ~FC_LBIT;
...@@ -748,7 +752,7 @@ lpfc_linkdown(struct lpfc_hba *phba) ...@@ -748,7 +752,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
spin_unlock_irq(&phba->hbalock); spin_unlock_irq(&phba->hbalock);
vports = lpfc_create_vport_work_array(phba); vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) if (vports != NULL)
for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
/* Issue a LINK DOWN event to all nodes */ /* Issue a LINK DOWN event to all nodes */
lpfc_linkdown_port(vports[i]); lpfc_linkdown_port(vports[i]);
} }
...@@ -858,10 +862,11 @@ lpfc_linkup(struct lpfc_hba *phba) ...@@ -858,10 +862,11 @@ lpfc_linkup(struct lpfc_hba *phba)
vports = lpfc_create_vport_work_array(phba); vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) if (vports != NULL)
for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
lpfc_linkup_port(vports[i]); lpfc_linkup_port(vports[i]);
lpfc_destroy_vport_work_array(phba, vports); lpfc_destroy_vport_work_array(phba, vports);
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
(phba->sli_rev < LPFC_SLI_REV4))
lpfc_issue_clear_la(phba, phba->pport); lpfc_issue_clear_la(phba, phba->pport);
return 0; return 0;
...@@ -983,10 +988,593 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) ...@@ -983,10 +988,593 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
return; return;
} }
static void
lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
unsigned long flags;
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
"2017 REG_FCFI mbxStatus error x%x "
"HBA state x%x\n",
mboxq->u.mb.mbxStatus, vport->port_state);
mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
/* Start FCoE discovery by sending a FLOGI. */
phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi);
/* Set the FCFI registered flag */
spin_lock_irqsave(&phba->hbalock, flags);
phba->fcf.fcf_flag |= FCF_REGISTERED;
spin_unlock_irqrestore(&phba->hbalock, flags);
if (vport->port_state != LPFC_FLOGI) {
spin_lock_irqsave(&phba->hbalock, flags);
phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
spin_unlock_irqrestore(&phba->hbalock, flags);
lpfc_initial_flogi(vport);
}
mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
/**
* lpfc_fab_name_match - Check if the fcf fabric name match.
* @fab_name: pointer to fabric name.
* @new_fcf_record: pointer to fcf record.
*
* This routine compare the fcf record's fabric name with provided
* fabric name. If the fabric name are identical this function
* returns 1 else return 0.
**/
static uint32_t
lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record)
{
if ((fab_name[0] ==
bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) &&
(fab_name[1] ==
bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) &&
(fab_name[2] ==
bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) &&
(fab_name[3] ==
bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) &&
(fab_name[4] ==
bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) &&
(fab_name[5] ==
bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) &&
(fab_name[6] ==
bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) &&
(fab_name[7] ==
bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)))
return 1;
else
return 0;
}
/**
* lpfc_mac_addr_match - Check if the fcf mac address match.
* @phba: pointer to lpfc hba data structure.
* @new_fcf_record: pointer to fcf record.
*
* This routine compare the fcf record's mac address with HBA's
* FCF mac address. If the mac addresses are identical this function
* returns 1 else return 0.
**/
static uint32_t
lpfc_mac_addr_match(struct lpfc_hba *phba, struct fcf_record *new_fcf_record)
{
if ((phba->fcf.mac_addr[0] ==
bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) &&
(phba->fcf.mac_addr[1] ==
bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) &&
(phba->fcf.mac_addr[2] ==
bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) &&
(phba->fcf.mac_addr[3] ==
bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) &&
(phba->fcf.mac_addr[4] ==
bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) &&
(phba->fcf.mac_addr[5] ==
bf_get(lpfc_fcf_record_mac_5, new_fcf_record)))
return 1;
else
return 0;
}
/**
* lpfc_copy_fcf_record - Copy fcf information to lpfc_hba.
* @phba: pointer to lpfc hba data structure.
* @new_fcf_record: pointer to fcf record.
*
* This routine copies the FCF information from the FCF
* record to lpfc_hba data structure.
**/
static void
lpfc_copy_fcf_record(struct lpfc_hba *phba, struct fcf_record *new_fcf_record)
{
phba->fcf.fabric_name[0] =
bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record);
phba->fcf.fabric_name[1] =
bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record);
phba->fcf.fabric_name[2] =
bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record);
phba->fcf.fabric_name[3] =
bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record);
phba->fcf.fabric_name[4] =
bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record);
phba->fcf.fabric_name[5] =
bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record);
phba->fcf.fabric_name[6] =
bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record);
phba->fcf.fabric_name[7] =
bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record);
phba->fcf.mac_addr[0] =
bf_get(lpfc_fcf_record_mac_0, new_fcf_record);
phba->fcf.mac_addr[1] =
bf_get(lpfc_fcf_record_mac_1, new_fcf_record);
phba->fcf.mac_addr[2] =
bf_get(lpfc_fcf_record_mac_2, new_fcf_record);
phba->fcf.mac_addr[3] =
bf_get(lpfc_fcf_record_mac_3, new_fcf_record);
phba->fcf.mac_addr[4] =
bf_get(lpfc_fcf_record_mac_4, new_fcf_record);
phba->fcf.mac_addr[5] =
bf_get(lpfc_fcf_record_mac_5, new_fcf_record);
phba->fcf.fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
phba->fcf.priority = new_fcf_record->fip_priority;
}
/**
* lpfc_register_fcf - Register the FCF with hba.
* @phba: pointer to lpfc hba data structure.
*
* This routine issues a register fcfi mailbox command to register
* the fcf with HBA.
**/
static void
lpfc_register_fcf(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *fcf_mbxq;
int rc;
unsigned long flags;
spin_lock_irqsave(&phba->hbalock, flags);
/* If the FCF is not availabe do nothing. */
if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) {
spin_unlock_irqrestore(&phba->hbalock, flags);
return;
}
/* The FCF is already registered, start discovery */
if (phba->fcf.fcf_flag & FCF_REGISTERED) {
phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
spin_unlock_irqrestore(&phba->hbalock, flags);
if (phba->pport->port_state != LPFC_FLOGI)
lpfc_initial_flogi(phba->pport);
return;
}
spin_unlock_irqrestore(&phba->hbalock, flags);
fcf_mbxq = mempool_alloc(phba->mbox_mem_pool,
GFP_KERNEL);
if (!fcf_mbxq)
return;
lpfc_reg_fcfi(phba, fcf_mbxq);
fcf_mbxq->vport = phba->pport;
fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi;
rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
mempool_free(fcf_mbxq, phba->mbox_mem_pool);
return;
}
/**
* lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery.
* @phba: pointer to lpfc hba data structure.
* @new_fcf_record: pointer to fcf record.
* @boot_flag: Indicates if this record used by boot bios.
* @addr_mode: The address mode to be used by this FCF
*
* This routine compare the fcf record with connect list obtained from the
* config region to decide if this FCF can be used for SAN discovery. It returns
* 1 if this record can be used for SAN discovery else return zero. If this FCF
* record can be used for SAN discovery, the boot_flag will indicate if this FCF
* is used by boot bios and addr_mode will indicate the addressing mode to be
* used for this FCF when the function returns.
* If the FCF record need to be used with a particular vlan id, the vlan is
* set in the vlan_id on return of the function. If not VLAN tagging need to
* be used with the FCF vlan_id will be set to 0xFFFF;
**/
static int
lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
struct fcf_record *new_fcf_record,
uint32_t *boot_flag, uint32_t *addr_mode,
uint16_t *vlan_id)
{
struct lpfc_fcf_conn_entry *conn_entry;
if (!phba->cfg_enable_fip) {
*boot_flag = 0;
*addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
new_fcf_record);
if (phba->valid_vlan)
*vlan_id = phba->vlan_id;
else
*vlan_id = 0xFFFF;
return 1;
}
/*
* If there are no FCF connection table entry, driver connect to all
* FCFs.
*/
if (list_empty(&phba->fcf_conn_rec_list)) {
*boot_flag = 0;
*addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
new_fcf_record);
*vlan_id = 0xFFFF;
return 1;
}
list_for_each_entry(conn_entry, &phba->fcf_conn_rec_list, list) {
if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID))
continue;
if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) &&
!lpfc_fab_name_match(conn_entry->conn_rec.fabric_name,
new_fcf_record))
continue;
if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) {
/*
* If the vlan bit map does not have the bit set for the
* vlan id to be used, then it is not a match.
*/
if (!(new_fcf_record->vlan_bitmap
[conn_entry->conn_rec.vlan_tag / 8] &
(1 << (conn_entry->conn_rec.vlan_tag % 8))))
continue;
}
/*
* Check if the connection record specifies a required
* addressing mode.
*/
if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) {
/*
* If SPMA required but FCF not support this continue.
*/
if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
!(bf_get(lpfc_fcf_record_mac_addr_prov,
new_fcf_record) & LPFC_FCF_SPMA))
continue;
/*
* If FPMA required but FCF not support this continue.
*/
if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
!(bf_get(lpfc_fcf_record_mac_addr_prov,
new_fcf_record) & LPFC_FCF_FPMA))
continue;
}
/*
* This fcf record matches filtering criteria.
*/
if (conn_entry->conn_rec.flags & FCFCNCT_BOOT)
*boot_flag = 1;
else
*boot_flag = 0;
*addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
new_fcf_record);
/*
* If the user specified a required address mode, assign that
* address mode
*/
if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
(!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)))
*addr_mode = (conn_entry->conn_rec.flags &
FCFCNCT_AM_SPMA) ?
LPFC_FCF_SPMA : LPFC_FCF_FPMA;
/*
* If the user specified a prefered address mode, use the
* addr mode only if FCF support the addr_mode.
*/
else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
(*addr_mode & LPFC_FCF_SPMA))
*addr_mode = LPFC_FCF_SPMA;
else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
(*addr_mode & LPFC_FCF_FPMA))
*addr_mode = LPFC_FCF_FPMA;
/*
* If user did not specify any addressing mode, use FPMA if
* possible else use SPMA.
*/
else if (*addr_mode & LPFC_FCF_FPMA)
*addr_mode = LPFC_FCF_FPMA;
if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID)
*vlan_id = conn_entry->conn_rec.vlan_tag;
else
*vlan_id = 0xFFFF;
return 1;
}
return 0;
}
/**
* lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox.
* @phba: pointer to lpfc hba data structure.
* @mboxq: pointer to mailbox object.
*
* This function iterate through all the fcf records available in
* HBA and choose the optimal FCF record for discovery. After finding
* the FCF for discovery it register the FCF record and kick start
* discovery.
* If FCF_IN_USE flag is set in currently used FCF, the routine try to
* use a FCF record which match fabric name and mac address of the
* currently used FCF record.
* If the driver support only one FCF, it will try to use the FCF record
* used by BOOT_BIOS.
*/
void
lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
void *virt_addr;
dma_addr_t phys_addr;
uint8_t *bytep;
struct lpfc_mbx_sge sge;
struct lpfc_mbx_read_fcf_tbl *read_fcf;
uint32_t shdr_status, shdr_add_status;
union lpfc_sli4_cfg_shdr *shdr;
struct fcf_record *new_fcf_record;
int rc;
uint32_t boot_flag, addr_mode;
uint32_t next_fcf_index;
unsigned long flags;
uint16_t vlan_id;
/* 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,
"2524 Failed to get the non-embedded SGE "
"virtual address\n");
goto out;
}
virt_addr = mboxq->sge_array->addr[0];
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);
/*
* The FCF Record was read and there is no reason for the driver
* to maintain the FCF record data or memory. Instead, just need
* to book keeping the FCFIs can be used.
*/
if (shdr_status || shdr_add_status) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2521 READ_FCF_RECORD mailbox failed "
"with status x%x add_status x%x, mbx\n",
shdr_status, shdr_add_status);
goto out;
}
/* Interpreting the returned information of FCF records */
read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
lpfc_sli_pcimem_bcopy(read_fcf, read_fcf,
sizeof(struct lpfc_mbx_read_fcf_tbl));
next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
new_fcf_record = (struct fcf_record *)(virt_addr +
sizeof(struct lpfc_mbx_read_fcf_tbl));
lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
sizeof(struct fcf_record));
bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
rc = lpfc_match_fcf_conn_list(phba, new_fcf_record,
&boot_flag, &addr_mode,
&vlan_id);
/*
* If the fcf record does not match with connect list entries
* read the next entry.
*/
if (!rc)
goto read_next_fcf;
/*
* If this is not the first FCF discovery of the HBA, use last
* FCF record for the discovery.
*/
spin_lock_irqsave(&phba->hbalock, flags);
if (phba->fcf.fcf_flag & FCF_IN_USE) {
if (lpfc_fab_name_match(phba->fcf.fabric_name,
new_fcf_record) &&
lpfc_mac_addr_match(phba, new_fcf_record)) {
phba->fcf.fcf_flag |= FCF_AVAILABLE;
spin_unlock_irqrestore(&phba->hbalock, flags);
goto out;
}
spin_unlock_irqrestore(&phba->hbalock, flags);
goto read_next_fcf;
}
if (phba->fcf.fcf_flag & FCF_AVAILABLE) {
/*
* If the current FCF record does not have boot flag
* set and new fcf record has boot flag set, use the
* new fcf record.
*/
if (boot_flag && !(phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) {
/* Use this FCF record */
lpfc_copy_fcf_record(phba, new_fcf_record);
phba->fcf.addr_mode = addr_mode;
phba->fcf.fcf_flag |= FCF_BOOT_ENABLE;
if (vlan_id != 0xFFFF) {
phba->fcf.fcf_flag |= FCF_VALID_VLAN;
phba->fcf.vlan_id = vlan_id;
}
spin_unlock_irqrestore(&phba->hbalock, flags);
goto read_next_fcf;
}
/*
* If the current FCF record has boot flag set and the
* new FCF record does not have boot flag, read the next
* FCF record.
*/
if (!boot_flag && (phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) {
spin_unlock_irqrestore(&phba->hbalock, flags);
goto read_next_fcf;
}
/*
* If there is a record with lower priority value for
* the current FCF, use that record.
*/
if (lpfc_fab_name_match(phba->fcf.fabric_name, new_fcf_record)
&& (new_fcf_record->fip_priority <
phba->fcf.priority)) {
/* Use this FCF record */
lpfc_copy_fcf_record(phba, new_fcf_record);
phba->fcf.addr_mode = addr_mode;
if (vlan_id != 0xFFFF) {
phba->fcf.fcf_flag |= FCF_VALID_VLAN;
phba->fcf.vlan_id = vlan_id;
}
spin_unlock_irqrestore(&phba->hbalock, flags);
goto read_next_fcf;
}
spin_unlock_irqrestore(&phba->hbalock, flags);
goto read_next_fcf;
}
/*
* This is the first available FCF record, use this
* record.
*/
lpfc_copy_fcf_record(phba, new_fcf_record);
phba->fcf.addr_mode = addr_mode;
if (boot_flag)
phba->fcf.fcf_flag |= FCF_BOOT_ENABLE;
phba->fcf.fcf_flag |= FCF_AVAILABLE;
if (vlan_id != 0xFFFF) {
phba->fcf.fcf_flag |= FCF_VALID_VLAN;
phba->fcf.vlan_id = vlan_id;
}
spin_unlock_irqrestore(&phba->hbalock, flags);
goto read_next_fcf;
read_next_fcf:
lpfc_sli4_mbox_cmd_free(phba, mboxq);
if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0)
lpfc_register_fcf(phba);
else
lpfc_sli4_read_fcf_record(phba, next_fcf_index);
return;
out:
lpfc_sli4_mbox_cmd_free(phba, mboxq);
lpfc_register_fcf(phba);
return;
}
/**
* lpfc_start_fdiscs - send fdiscs for each vports on this port.
* @phba: pointer to lpfc hba data structure.
*
* This function loops through the list of vports on the @phba and issues an
* FDISC if possible.
*/
void
lpfc_start_fdiscs(struct lpfc_hba *phba)
{
struct lpfc_vport **vports;
int i;
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
continue;
/* There are no vpi for this vport */
if (vports[i]->vpi > phba->max_vpi) {
lpfc_vport_set_state(vports[i],
FC_VPORT_FAILED);
continue;
}
if (phba->fc_topology == TOPOLOGY_LOOP) {
lpfc_vport_set_state(vports[i],
FC_VPORT_LINKDOWN);
continue;
}
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
lpfc_initial_fdisc(vports[i]);
else {
lpfc_vport_set_state(vports[i],
FC_VPORT_NO_FABRIC_SUPP);
lpfc_printf_vlog(vports[i], KERN_ERR,
LOG_ELS,
"0259 No NPIV "
"Fabric support\n");
}
}
}
lpfc_destroy_vport_work_array(phba, vports);
}
void
lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_dmabuf *dmabuf = mboxq->context1;
struct lpfc_vport *vport = mboxq->vport;
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
"2018 REG_VFI mbxStatus error x%x "
"HBA state x%x\n",
mboxq->u.mb.mbxStatus, vport->port_state);
if (phba->fc_topology == TOPOLOGY_LOOP) {
/* FLOGI failed, use loop map to make discovery list */
lpfc_disc_list_loopmap(vport);
/* Start discovery */
lpfc_disc_start(vport);
goto fail_free_mem;
}
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
goto fail_free_mem;
}
/* Mark the vport has registered with its VFI */
vport->vfi_state |= LPFC_VFI_REGISTERED;
if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
}
fail_free_mem:
mempool_free(mboxq, phba->mbox_mem_pool);
lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
kfree(dmabuf);
return;
}
static void static void
lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{ {
MAILBOX_t *mb = &pmb->mb; MAILBOX_t *mb = &pmb->u.mb;
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
struct lpfc_vport *vport = pmb->vport; struct lpfc_vport *vport = pmb->vport;
...@@ -1037,13 +1625,13 @@ static void ...@@ -1037,13 +1625,13 @@ static void
lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
{ {
struct lpfc_vport *vport = phba->pport; struct lpfc_vport *vport = phba->pport;
LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL;
int i; int i;
struct lpfc_dmabuf *mp; struct lpfc_dmabuf *mp;
int rc; int rc;
struct fcf_record *fcf_record;
sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
spin_lock_irq(&phba->hbalock); spin_lock_irq(&phba->hbalock);
switch (la->UlnkSpeed) { switch (la->UlnkSpeed) {
...@@ -1140,22 +1728,66 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) ...@@ -1140,22 +1728,66 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
lpfc_mbuf_free(phba, mp->virt, mp->phys); lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp); kfree(mp);
mempool_free(sparam_mbox, phba->mbox_mem_pool); mempool_free(sparam_mbox, phba->mbox_mem_pool);
if (cfglink_mbox)
mempool_free(cfglink_mbox, phba->mbox_mem_pool);
goto out; goto out;
} }
} }
if (cfglink_mbox) { if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) {
cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!cfglink_mbox)
goto out;
vport->port_state = LPFC_LOCAL_CFG_LINK; vport->port_state = LPFC_LOCAL_CFG_LINK;
lpfc_config_link(phba, cfglink_mbox); lpfc_config_link(phba, cfglink_mbox);
cfglink_mbox->vport = vport; cfglink_mbox->vport = vport;
cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT);
if (rc != MBX_NOT_FINISHED) if (rc == MBX_NOT_FINISHED) {
return;
mempool_free(cfglink_mbox, phba->mbox_mem_pool); mempool_free(cfglink_mbox, phba->mbox_mem_pool);
goto out;
}
} else {
/*
* Add the driver's default FCF record at FCF index 0 now. This
* is phase 1 implementation that support FCF index 0 and driver
* defaults.
*/
if (phba->cfg_enable_fip == 0) {
fcf_record = kzalloc(sizeof(struct fcf_record),
GFP_KERNEL);
if (unlikely(!fcf_record)) {
lpfc_printf_log(phba, KERN_ERR,
LOG_MBOX | LOG_SLI,
"2554 Could not allocate memmory for "
"fcf record\n");
rc = -ENODEV;
goto out;
}
lpfc_sli4_build_dflt_fcf_record(phba, fcf_record,
LPFC_FCOE_FCF_DEF_INDEX);
rc = lpfc_sli4_add_fcf_record(phba, fcf_record);
if (unlikely(rc)) {
lpfc_printf_log(phba, KERN_ERR,
LOG_MBOX | LOG_SLI,
"2013 Could not manually add FCF "
"record 0, status %d\n", rc);
rc = -ENODEV;
kfree(fcf_record);
goto out;
}
kfree(fcf_record);
}
/*
* The driver is expected to do FIP/FCF. Call the port
* and get the FCF Table.
*/
rc = lpfc_sli4_read_fcf_record(phba,
LPFC_FCOE_FCF_GET_FIRST);
if (rc)
goto out;
} }
return;
out: out:
lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_vport_set_state(vport, FC_VPORT_FAILED);
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
...@@ -1186,6 +1818,7 @@ lpfc_mbx_issue_link_down(struct lpfc_hba *phba) ...@@ -1186,6 +1818,7 @@ lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
{ {
lpfc_linkdown(phba); lpfc_linkdown(phba);
lpfc_enable_la(phba); lpfc_enable_la(phba);
lpfc_unregister_unused_fcf(phba);
/* turn on Link Attention interrupts - no CLEAR_LA needed */ /* turn on Link Attention interrupts - no CLEAR_LA needed */
} }
...@@ -3330,3 +3963,395 @@ lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) ...@@ -3330,3 +3963,395 @@ lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
return 1; return 1;
return 0; return 0;
} }
/**
* lpfc_fcf_inuse - Check if FCF can be unregistered.
* @phba: Pointer to hba context object.
*
* This function iterate through all FC nodes associated
* will all vports to check if there is any node with
* fc_rports associated with it. If there is an fc_rport
* associated with the node, then the node is either in
* discovered state or its devloss_timer is pending.
*/
static int
lpfc_fcf_inuse(struct lpfc_hba *phba)
{
struct lpfc_vport **vports;
int i, ret = 0;
struct lpfc_nodelist *ndlp;
struct Scsi_Host *shost;
vports = lpfc_create_vport_work_array(phba);
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
shost = lpfc_shost_from_vport(vports[i]);
spin_lock_irq(shost->host_lock);
list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport &&
(ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) {
ret = 1;
spin_unlock_irq(shost->host_lock);
goto out;
}
}
spin_unlock_irq(shost->host_lock);
}
out:
lpfc_destroy_vport_work_array(phba, vports);
return ret;
}
/**
* lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi.
* @phba: Pointer to hba context object.
* @mboxq: Pointer to mailbox object.
*
* This function frees memory associated with the mailbox command.
*/
static void
lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2555 UNREG_VFI mbxStatus error x%x "
"HBA state x%x\n",
mboxq->u.mb.mbxStatus, vport->port_state);
}
mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
/**
* lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi.
* @phba: Pointer to hba context object.
* @mboxq: Pointer to mailbox object.
*
* This function frees memory associated with the mailbox command.
*/
static void
lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2550 UNREG_FCFI mbxStatus error x%x "
"HBA state x%x\n",
mboxq->u.mb.mbxStatus, vport->port_state);
}
mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
/**
* lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected.
* @phba: Pointer to hba context object.
*
* This function check if there are any connected remote port for the FCF and
* if all the devices are disconnected, this function unregister FCFI.
* This function also tries to use another FCF for discovery.
*/
void
lpfc_unregister_unused_fcf(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *mbox;
int rc;
struct lpfc_vport **vports;
int i;
spin_lock_irq(&phba->hbalock);
/*
* If HBA is not running in FIP mode or
* If HBA does not support FCoE or
* If FCF is not registered.
* do nothing.
*/
if (!(phba->hba_flag & HBA_FCOE_SUPPORT) ||
!(phba->fcf.fcf_flag & FCF_REGISTERED) ||
(phba->cfg_enable_fip == 0)) {
spin_unlock_irq(&phba->hbalock);
return;
}
spin_unlock_irq(&phba->hbalock);
if (lpfc_fcf_inuse(phba))
return;
/* Unregister VPIs */
vports = lpfc_create_vport_work_array(phba);
if (vports &&
(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
lpfc_mbx_unreg_vpi(vports[i]);
vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
vports[i]->vfi_state &= ~LPFC_VFI_REGISTERED;
}
lpfc_destroy_vport_work_array(phba, vports);
/* Unregister VFI */
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2556 UNREG_VFI mbox allocation failed"
"HBA state x%x\n",
phba->pport->port_state);
return;
}
lpfc_unreg_vfi(mbox, phba->pport->vfi);
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2557 UNREG_VFI issue mbox failed rc x%x "
"HBA state x%x\n",
rc, phba->pport->port_state);
mempool_free(mbox, phba->mbox_mem_pool);
return;
}
/* Unregister FCF */
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2551 UNREG_FCFI mbox allocation failed"
"HBA state x%x\n",
phba->pport->port_state);
return;
}
lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2552 UNREG_FCFI issue mbox failed rc x%x "
"HBA state x%x\n",
rc, phba->pport->port_state);
mempool_free(mbox, phba->mbox_mem_pool);
return;
}
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_REGISTERED |
FCF_DISCOVERED | FCF_BOOT_ENABLE | FCF_IN_USE |
FCF_VALID_VLAN);
spin_unlock_irq(&phba->hbalock);
/*
* If driver is not unloading, check if there is any other
* FCF record that can be used for discovery.
*/
if ((phba->pport->load_flag & FC_UNLOADING) ||
(phba->link_state < LPFC_LINK_UP))
return;
rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
if (rc)
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2553 lpfc_unregister_unused_fcf failed to read FCF"
" record HBA state x%x\n",
phba->pport->port_state);
}
/**
* lpfc_read_fcf_conn_tbl - Create driver FCF connection table.
* @phba: Pointer to hba context object.
* @buff: Buffer containing the FCF connection table as in the config
* region.
* This function create driver data structure for the FCF connection
* record table read from config region 23.
*/
static void
lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba,
uint8_t *buff)
{
struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
struct lpfc_fcf_conn_hdr *conn_hdr;
struct lpfc_fcf_conn_rec *conn_rec;
uint32_t record_count;
int i;
/* Free the current connect table */
list_for_each_entry_safe(conn_entry, next_conn_entry,
&phba->fcf_conn_rec_list, list)
kfree(conn_entry);
conn_hdr = (struct lpfc_fcf_conn_hdr *) buff;
record_count = conn_hdr->length * sizeof(uint32_t)/
sizeof(struct lpfc_fcf_conn_rec);
conn_rec = (struct lpfc_fcf_conn_rec *)
(buff + sizeof(struct lpfc_fcf_conn_hdr));
for (i = 0; i < record_count; i++) {
if (!(conn_rec[i].flags & FCFCNCT_VALID))
continue;
conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry),
GFP_KERNEL);
if (!conn_entry) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2566 Failed to allocate connection"
" table entry\n");
return;
}
memcpy(&conn_entry->conn_rec, &conn_rec[i],
sizeof(struct lpfc_fcf_conn_rec));
conn_entry->conn_rec.vlan_tag =
le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF;
conn_entry->conn_rec.flags =
le16_to_cpu(conn_entry->conn_rec.flags);
list_add_tail(&conn_entry->list,
&phba->fcf_conn_rec_list);
}
}
/**
* lpfc_read_fcoe_param - Read FCoe parameters from conf region..
* @phba: Pointer to hba context object.
* @buff: Buffer containing the FCoE parameter data structure.
*
* This function update driver data structure with config
* parameters read from config region 23.
*/
static void
lpfc_read_fcoe_param(struct lpfc_hba *phba,
uint8_t *buff)
{
struct lpfc_fip_param_hdr *fcoe_param_hdr;
struct lpfc_fcoe_params *fcoe_param;
fcoe_param_hdr = (struct lpfc_fip_param_hdr *)
buff;
fcoe_param = (struct lpfc_fcoe_params *)
buff + sizeof(struct lpfc_fip_param_hdr);
if ((fcoe_param_hdr->parm_version != FIPP_VERSION) ||
(fcoe_param_hdr->length != FCOE_PARAM_LENGTH))
return;
if (bf_get(lpfc_fip_param_hdr_fipp_mode, fcoe_param_hdr) ==
FIPP_MODE_ON)
phba->cfg_enable_fip = 1;
if (bf_get(lpfc_fip_param_hdr_fipp_mode, fcoe_param_hdr) ==
FIPP_MODE_OFF)
phba->cfg_enable_fip = 0;
if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) {
phba->valid_vlan = 1;
phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) &
0xFFF;
}
phba->fc_map[0] = fcoe_param->fc_map[0];
phba->fc_map[1] = fcoe_param->fc_map[1];
phba->fc_map[2] = fcoe_param->fc_map[2];
return;
}
/**
* lpfc_get_rec_conf23 - Get a record type in config region data.
* @buff: Buffer containing config region 23 data.
* @size: Size of the data buffer.
* @rec_type: Record type to be searched.
*
* This function searches config region data to find the begining
* of the record specified by record_type. If record found, this
* function return pointer to the record else return NULL.
*/
static uint8_t *
lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type)
{
uint32_t offset = 0, rec_length;
if ((buff[0] == LPFC_REGION23_LAST_REC) ||
(size < sizeof(uint32_t)))
return NULL;
rec_length = buff[offset + 1];
/*
* One TLV record has one word header and number of data words
* specified in the rec_length field of the record header.
*/
while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t))
<= size) {
if (buff[offset] == rec_type)
return &buff[offset];
if (buff[offset] == LPFC_REGION23_LAST_REC)
return NULL;
offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t);
rec_length = buff[offset + 1];
}
return NULL;
}
/**
* lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23.
* @phba: Pointer to lpfc_hba data structure.
* @buff: Buffer containing config region 23 data.
* @size: Size of the data buffer.
*
* This fuction parse the FCoE config parameters in config region 23 and
* populate driver data structure with the parameters.
*/
void
lpfc_parse_fcoe_conf(struct lpfc_hba *phba,
uint8_t *buff,
uint32_t size)
{
uint32_t offset = 0, rec_length;
uint8_t *rec_ptr;
/*
* If data size is less than 2 words signature and version cannot be
* verified.
*/
if (size < 2*sizeof(uint32_t))
return;
/* Check the region signature first */
if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2567 Config region 23 has bad signature\n");
return;
}
offset += 4;
/* Check the data structure version */
if (buff[offset] != LPFC_REGION23_VERSION) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2568 Config region 23 has bad version\n");
return;
}
offset += 4;
rec_length = buff[offset + 1];
/* Read FCoE param record */
rec_ptr = lpfc_get_rec_conf23(&buff[offset],
size - offset, FCOE_PARAM_TYPE);
if (rec_ptr)
lpfc_read_fcoe_param(phba, rec_ptr);
/* Read FCF connection table */
rec_ptr = lpfc_get_rec_conf23(&buff[offset],
size - offset, FCOE_CONN_TBL_TYPE);
if (rec_ptr)
lpfc_read_fcf_conn_tbl(phba, rec_ptr);
}
drivers/scsi/lpfc/lpfc_nportdisc.c
View file @ 6fb120a7
...@@ -363,7 +363,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ...@@ -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);
...@@ -497,8 +497,16 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ...@@ -497,8 +497,16 @@ 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;
} else if ((!(ndlp->nlp_type & NLP_FABRIC) &&
((ndlp->nlp_type & NLP_FCP_TARGET) || ((ndlp->nlp_type & NLP_FCP_TARGET) ||
!(ndlp->nlp_type & NLP_FCP_INITIATOR))) || !(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
(ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
...@@ -569,7 +577,7 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) ...@@ -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, ...@@ -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, ...@@ -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, ...@@ -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, ...@@ -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, ...@@ -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)) {
......
drivers/scsi/lpfc/lpfc_sli.c
View file @ 6fb120a7
...@@ -10929,3 +10929,520 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba) ...@@ -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;
}
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