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authorJames Smart <James.Smart@Emulex.Com>2009-05-22 14:52:59 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-08 12:25:24 -0400
commit6fb120a7ed882aae9636545142a51cf3182a3ace (patch)
tree7e830b09907286288f20f60c0f104d5fbec9998d /drivers/scsi/lpfc
parent04c684968487eb4f98728363a97b8da48f3bb958 (diff)
[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: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/lpfc')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c32
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h3
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c179
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c1055
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c34
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c517
6 files changed, 1756 insertions, 64 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 463104d96867..270a4c6cd3ac 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -2924,6 +2924,14 @@ LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat.");
2924*/ 2924*/
2925LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); 2925LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
2926 2926
2927/*
2928# lpfc_enable_fip: When set, FIP is required to start discovery. If not
2929# set, the driver will add an FCF record manually if the port has no
2930# FCF records available and start discovery.
2931# Value range is [0,1]. Default value is 1 (enabled)
2932*/
2933LPFC_ATTR_RW(enable_fip, 0, 0, 1, "Enable FIP Discovery");
2934
2927 2935
2928/* 2936/*
2929# lpfc_prot_mask: i 2937# lpfc_prot_mask: i
@@ -2990,6 +2998,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
2990 &dev_attr_lpfc_peer_port_login, 2998 &dev_attr_lpfc_peer_port_login,
2991 &dev_attr_lpfc_nodev_tmo, 2999 &dev_attr_lpfc_nodev_tmo,
2992 &dev_attr_lpfc_devloss_tmo, 3000 &dev_attr_lpfc_devloss_tmo,
3001 &dev_attr_lpfc_enable_fip,
2993 &dev_attr_lpfc_fcp_class, 3002 &dev_attr_lpfc_fcp_class,
2994 &dev_attr_lpfc_use_adisc, 3003 &dev_attr_lpfc_use_adisc,
2995 &dev_attr_lpfc_ack0, 3004 &dev_attr_lpfc_ack0,
@@ -3042,6 +3051,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
3042 &dev_attr_lpfc_lun_queue_depth, 3051 &dev_attr_lpfc_lun_queue_depth,
3043 &dev_attr_lpfc_nodev_tmo, 3052 &dev_attr_lpfc_nodev_tmo,
3044 &dev_attr_lpfc_devloss_tmo, 3053 &dev_attr_lpfc_devloss_tmo,
3054 &dev_attr_lpfc_enable_fip,
3045 &dev_attr_lpfc_hba_queue_depth, 3055 &dev_attr_lpfc_hba_queue_depth,
3046 &dev_attr_lpfc_peer_port_login, 3056 &dev_attr_lpfc_peer_port_login,
3047 &dev_attr_lpfc_restrict_login, 3057 &dev_attr_lpfc_restrict_login,
@@ -4167,26 +4177,10 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
4167 phba->cfg_soft_wwpn = 0L; 4177 phba->cfg_soft_wwpn = 0L;
4168 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); 4178 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
4169 lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); 4179 lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt);
4170 /*
4171 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4172 * used to create the sg_dma_buf_pool must be dynamically calculated.
4173 * 2 segments are added since the IOCB needs a command and response bde.
4174 */
4175 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4176 sizeof(struct fcp_rsp) +
4177 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4178
4179 if (phba->cfg_enable_bg) {
4180 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4181 phba->cfg_sg_dma_buf_size +=
4182 phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
4183 }
4184
4185 /* Also reinitialize the host templates with new values. */
4186 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4187 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4188
4189 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); 4180 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
4181 lpfc_enable_fip_init(phba, lpfc_enable_fip);
4182 lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
4183
4190 return; 4184 return;
4191} 4185}
4192 4186
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index e0f1cd4b3d3d..d2a922997c0f 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -23,6 +23,8 @@ typedef int (*node_filter)(struct lpfc_nodelist *, void *);
23struct fc_rport; 23struct fc_rport;
24void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t); 24void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
25void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *); 25void lpfc_dump_wakeup_param(struct lpfc_hba *, LPFC_MBOXQ_t *);
26void lpfc_dump_static_vport(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
27int lpfc_dump_fcoe_param(struct lpfc_hba *, struct lpfcMboxq *);
26void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); 28void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
27void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 29void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
28 30
@@ -108,6 +110,7 @@ int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
108int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); 110int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
109int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *); 111int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
110int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t); 112int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
113int lpfc_issue_fabric_reglogin(struct lpfc_vport *);
111int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); 114int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
112int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); 115int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
113int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *, 116int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 2c034a554c88..a3b56d7f72f4 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -388,6 +388,75 @@ fail:
388} 388}
389 389
390/** 390/**
391 * lpfc_issue_reg_vfi - Register VFI for this vport's fabric login
392 * @vport: pointer to a host virtual N_Port data structure.
393 *
394 * This routine issues a REG_VFI mailbox for the vfi, vpi, fcfi triplet for
395 * the @vport. This mailbox command is necessary for FCoE only.
396 *
397 * Return code
398 * 0 - successfully issued REG_VFI for @vport
399 * A failure code otherwise.
400 **/
401static int
402lpfc_issue_reg_vfi(struct lpfc_vport *vport)
403{
404 struct lpfc_hba *phba = vport->phba;
405 LPFC_MBOXQ_t *mboxq;
406 struct lpfc_nodelist *ndlp;
407 struct serv_parm *sp;
408 struct lpfc_dmabuf *dmabuf;
409 int rc = 0;
410
411 sp = &phba->fc_fabparam;
412 ndlp = lpfc_findnode_did(vport, Fabric_DID);
413 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
414 rc = -ENODEV;
415 goto fail;
416 }
417
418 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
419 if (!dmabuf) {
420 rc = -ENOMEM;
421 goto fail;
422 }
423 dmabuf->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &dmabuf->phys);
424 if (!dmabuf->virt) {
425 rc = -ENOMEM;
426 goto fail_free_dmabuf;
427 }
428 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
429 if (!mboxq) {
430 rc = -ENOMEM;
431 goto fail_free_coherent;
432 }
433 vport->port_state = LPFC_FABRIC_CFG_LINK;
434 memcpy(dmabuf->virt, &phba->fc_fabparam, sizeof(vport->fc_sparam));
435 lpfc_reg_vfi(mboxq, vport, dmabuf->phys);
436 mboxq->mbox_cmpl = lpfc_mbx_cmpl_reg_vfi;
437 mboxq->vport = vport;
438 mboxq->context1 = dmabuf;
439 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
440 if (rc == MBX_NOT_FINISHED) {
441 rc = -ENXIO;
442 goto fail_free_mbox;
443 }
444 return 0;
445
446fail_free_mbox:
447 mempool_free(mboxq, phba->mbox_mem_pool);
448fail_free_coherent:
449 lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
450fail_free_dmabuf:
451 kfree(dmabuf);
452fail:
453 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
454 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
455 "0289 Issue Register VFI failed: Err %d\n", rc);
456 return rc;
457}
458
459/**
391 * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port 460 * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port
392 * @vport: pointer to a host virtual N_Port data structure. 461 * @vport: pointer to a host virtual N_Port data structure.
393 * @ndlp: pointer to a node-list data structure. 462 * @ndlp: pointer to a node-list data structure.
@@ -499,17 +568,24 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
499 } 568 }
500 } 569 }
501 570
502 lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); 571 if (phba->sli_rev < LPFC_SLI_REV4) {
503 572 lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE);
504 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && 573 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED &&
505 vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) { 574 vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
506 lpfc_register_new_vport(phba, vport, ndlp); 575 lpfc_register_new_vport(phba, vport, ndlp);
507 return 0; 576 else
577 lpfc_issue_fabric_reglogin(vport);
578 } else {
579 ndlp->nlp_type |= NLP_FABRIC;
580 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
581 if (vport->vfi_state & LPFC_VFI_REGISTERED) {
582 lpfc_start_fdiscs(phba);
583 lpfc_do_scr_ns_plogi(phba, vport);
584 } else
585 lpfc_issue_reg_vfi(vport);
508 } 586 }
509 lpfc_issue_fabric_reglogin(vport);
510 return 0; 587 return 0;
511} 588}
512
513/** 589/**
514 * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port 590 * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port
515 * @vport: pointer to a host virtual N_Port data structure. 591 * @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 if (sp->cmn.fcphHigh < FC_PH3) 893 if (sp->cmn.fcphHigh < FC_PH3)
818 sp->cmn.fcphHigh = FC_PH3; 894 sp->cmn.fcphHigh = FC_PH3;
819 895
820 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { 896 if (phba->sli_rev == LPFC_SLI_REV4) {
897 elsiocb->iocb.ulpCt_h = ((SLI4_CT_FCFI >> 1) & 1);
898 elsiocb->iocb.ulpCt_l = (SLI4_CT_FCFI & 1);
899 /* FLOGI needs to be 3 for WQE FCFI */
900 /* Set the fcfi to the fcfi we registered with */
901 elsiocb->iocb.ulpContext = phba->fcf.fcfi;
902 } else if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
821 sp->cmn.request_multiple_Nport = 1; 903 sp->cmn.request_multiple_Nport = 1;
822
823 /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ 904 /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */
824 icmd->ulpCt_h = 1; 905 icmd->ulpCt_h = 1;
825 icmd->ulpCt_l = 0; 906 icmd->ulpCt_l = 0;
@@ -932,6 +1013,8 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
932 if (!ndlp) 1013 if (!ndlp)
933 return 0; 1014 return 0;
934 lpfc_nlp_init(vport, ndlp, Fabric_DID); 1015 lpfc_nlp_init(vport, ndlp, Fabric_DID);
1016 /* Set the node type */
1017 ndlp->nlp_type |= NLP_FABRIC;
935 /* Put ndlp onto node list */ 1018 /* Put ndlp onto node list */
936 lpfc_enqueue_node(vport, ndlp); 1019 lpfc_enqueue_node(vport, ndlp);
937 } else if (!NLP_CHK_NODE_ACT(ndlp)) { 1020 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
@@ -1604,7 +1687,8 @@ lpfc_adisc_done(struct lpfc_vport *vport)
1604 * and continue discovery. 1687 * and continue discovery.
1605 */ 1688 */
1606 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && 1689 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
1607 !(vport->fc_flag & FC_RSCN_MODE)) { 1690 !(vport->fc_flag & FC_RSCN_MODE) &&
1691 (phba->sli_rev < LPFC_SLI_REV4)) {
1608 lpfc_issue_reg_vpi(phba, vport); 1692 lpfc_issue_reg_vpi(phba, vport);
1609 return; 1693 return;
1610 } 1694 }
@@ -2937,6 +3021,14 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
2937 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); 3021 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
2938 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; 3022 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
2939 3023
3024 /*
3025 * This routine is used to register and unregister in previous SLI
3026 * modes.
3027 */
3028 if ((pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) &&
3029 (phba->sli_rev == LPFC_SLI_REV4))
3030 lpfc_sli4_free_rpi(phba, pmb->u.mb.un.varUnregLogin.rpi);
3031
2940 pmb->context1 = NULL; 3032 pmb->context1 = NULL;
2941 lpfc_mbuf_free(phba, mp->virt, mp->phys); 3033 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2942 kfree(mp); 3034 kfree(mp);
@@ -3816,7 +3908,9 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
3816 payload_len -= sizeof(uint32_t); 3908 payload_len -= sizeof(uint32_t);
3817 switch (rscn_did.un.b.resv & RSCN_ADDRESS_FORMAT_MASK) { 3909 switch (rscn_did.un.b.resv & RSCN_ADDRESS_FORMAT_MASK) {
3818 case RSCN_ADDRESS_FORMAT_PORT: 3910 case RSCN_ADDRESS_FORMAT_PORT:
3819 if (ns_did.un.word == rscn_did.un.word) 3911 if ((ns_did.un.b.domain == rscn_did.un.b.domain)
3912 && (ns_did.un.b.area == rscn_did.un.b.area)
3913 && (ns_did.un.b.id == rscn_did.un.b.id))
3820 goto return_did_out; 3914 goto return_did_out;
3821 break; 3915 break;
3822 case RSCN_ADDRESS_FORMAT_AREA: 3916 case RSCN_ADDRESS_FORMAT_AREA:
@@ -4857,7 +4951,10 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
4857 } else { 4951 } else {
4858 /* FAN verified - skip FLOGI */ 4952 /* FAN verified - skip FLOGI */
4859 vport->fc_myDID = vport->fc_prevDID; 4953 vport->fc_myDID = vport->fc_prevDID;
4860 lpfc_issue_fabric_reglogin(vport); 4954 if (phba->sli_rev < LPFC_SLI_REV4)
4955 lpfc_issue_fabric_reglogin(vport);
4956 else
4957 lpfc_issue_reg_vfi(vport);
4861 } 4958 }
4862 } 4959 }
4863 return 0; 4960 return 0;
@@ -5540,11 +5637,10 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
5540 5637
5541dropit: 5638dropit:
5542 if (vport && !(vport->load_flag & FC_UNLOADING)) 5639 if (vport && !(vport->load_flag & FC_UNLOADING))
5543 lpfc_printf_log(phba, KERN_ERR, LOG_ELS, 5640 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
5544 "(%d):0111 Dropping received ELS cmd " 5641 "0111 Dropping received ELS cmd "
5545 "Data: x%x x%x x%x\n", 5642 "Data: x%x x%x x%x\n",
5546 vport->vpi, icmd->ulpStatus, 5643 icmd->ulpStatus, icmd->un.ulpWord[4], icmd->ulpTimeout);
5547 icmd->un.ulpWord[4], icmd->ulpTimeout);
5548 phba->fc_stat.elsRcvDrop++; 5644 phba->fc_stat.elsRcvDrop++;
5549} 5645}
5550 5646
@@ -5620,10 +5716,9 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
5620 icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { 5716 icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) {
5621 if (icmd->unsli3.rcvsli3.vpi == 0xffff) 5717 if (icmd->unsli3.rcvsli3.vpi == 0xffff)
5622 vport = phba->pport; 5718 vport = phba->pport;
5623 else { 5719 else
5624 uint16_t vpi = icmd->unsli3.rcvsli3.vpi; 5720 vport = lpfc_find_vport_by_vpid(phba,
5625 vport = lpfc_find_vport_by_vpid(phba, vpi); 5721 icmd->unsli3.rcvsli3.vpi - phba->vpi_base);
5626 }
5627 } 5722 }
5628 /* If there are no BDEs associated 5723 /* If there are no BDEs associated
5629 * with this IOCB, there is nothing to do. 5724 * 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 5887
5793 } else { 5888 } else {
5794 if (vport == phba->pport) 5889 if (vport == phba->pport)
5795 lpfc_issue_fabric_reglogin(vport); 5890 if (phba->sli_rev < LPFC_SLI_REV4)
5891 lpfc_issue_fabric_reglogin(vport);
5892 else
5893 lpfc_issue_reg_vfi(vport);
5796 else 5894 else
5797 lpfc_do_scr_ns_plogi(phba, vport); 5895 lpfc_do_scr_ns_plogi(phba, vport);
5798 } 5896 }
@@ -5824,7 +5922,7 @@ lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
5824 5922
5825 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 5923 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5826 if (mbox) { 5924 if (mbox) {
5827 lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox); 5925 lpfc_reg_vpi(vport, mbox);
5828 mbox->vport = vport; 5926 mbox->vport = vport;
5829 mbox->context2 = lpfc_nlp_get(ndlp); 5927 mbox->context2 = lpfc_nlp_get(ndlp);
5830 mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; 5928 mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport;
@@ -6496,3 +6594,38 @@ void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
6496 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, 6594 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
6497 IOERR_SLI_ABORTED); 6595 IOERR_SLI_ABORTED);
6498} 6596}
6597
6598/**
6599 * lpfc_sli4_els_xri_aborted - Slow-path process of els xri abort
6600 * @phba: pointer to lpfc hba data structure.
6601 * @axri: pointer to the els xri abort wcqe structure.
6602 *
6603 * This routine is invoked by the worker thread to process a SLI4 slow-path
6604 * ELS aborted xri.
6605 **/
6606void
6607lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba,
6608 struct sli4_wcqe_xri_aborted *axri)
6609{
6610 uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
6611 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
6612 unsigned long iflag = 0;
6613
6614 spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock, iflag);
6615 list_for_each_entry_safe(sglq_entry, sglq_next,
6616 &phba->sli4_hba.lpfc_abts_els_sgl_list, list) {
6617 if (sglq_entry->sli4_xritag == xri) {
6618 list_del(&sglq_entry->list);
6619 spin_unlock_irqrestore(
6620 &phba->sli4_hba.abts_sgl_list_lock,
6621 iflag);
6622 spin_lock_irqsave(&phba->hbalock, iflag);
6623
6624 list_add_tail(&sglq_entry->list,
6625 &phba->sli4_hba.lpfc_sgl_list);
6626 spin_unlock_irqrestore(&phba->hbalock, iflag);
6627 return;
6628 }
6629 }
6630 spin_unlock_irqrestore(&phba->sli4_hba.abts_sgl_list_lock, iflag);
6631}
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 2270d9a7c8e3..9bd7a8927a34 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -275,6 +275,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
275 !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && 275 !(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
276 (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) 276 (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE))
277 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); 277 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
278
279 lpfc_unregister_unused_fcf(phba);
278} 280}
279 281
280/** 282/**
@@ -297,10 +299,11 @@ lpfc_alloc_fast_evt(struct lpfc_hba *phba) {
297 299
298 ret = kzalloc(sizeof(struct lpfc_fast_path_event), 300 ret = kzalloc(sizeof(struct lpfc_fast_path_event),
299 GFP_ATOMIC); 301 GFP_ATOMIC);
300 if (ret) 302 if (ret) {
301 atomic_inc(&phba->fast_event_count); 303 atomic_inc(&phba->fast_event_count);
302 INIT_LIST_HEAD(&ret->work_evt.evt_listp); 304 INIT_LIST_HEAD(&ret->work_evt.evt_listp);
303 ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; 305 ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
306 }
304 return ret; 307 return ret;
305} 308}
306 309
@@ -741,6 +744,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
741 if (phba->link_state == LPFC_LINK_DOWN) 744 if (phba->link_state == LPFC_LINK_DOWN)
742 return 0; 745 return 0;
743 spin_lock_irq(&phba->hbalock); 746 spin_lock_irq(&phba->hbalock);
747 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_DISCOVERED);
744 if (phba->link_state > LPFC_LINK_DOWN) { 748 if (phba->link_state > LPFC_LINK_DOWN) {
745 phba->link_state = LPFC_LINK_DOWN; 749 phba->link_state = LPFC_LINK_DOWN;
746 phba->pport->fc_flag &= ~FC_LBIT; 750 phba->pport->fc_flag &= ~FC_LBIT;
@@ -748,7 +752,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
748 spin_unlock_irq(&phba->hbalock); 752 spin_unlock_irq(&phba->hbalock);
749 vports = lpfc_create_vport_work_array(phba); 753 vports = lpfc_create_vport_work_array(phba);
750 if (vports != NULL) 754 if (vports != NULL)
751 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { 755 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
752 /* Issue a LINK DOWN event to all nodes */ 756 /* Issue a LINK DOWN event to all nodes */
753 lpfc_linkdown_port(vports[i]); 757 lpfc_linkdown_port(vports[i]);
754 } 758 }
@@ -858,10 +862,11 @@ lpfc_linkup(struct lpfc_hba *phba)
858 862
859 vports = lpfc_create_vport_work_array(phba); 863 vports = lpfc_create_vport_work_array(phba);
860 if (vports != NULL) 864 if (vports != NULL)
861 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) 865 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
862 lpfc_linkup_port(vports[i]); 866 lpfc_linkup_port(vports[i]);
863 lpfc_destroy_vport_work_array(phba, vports); 867 lpfc_destroy_vport_work_array(phba, vports);
864 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) 868 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
869 (phba->sli_rev < LPFC_SLI_REV4))
865 lpfc_issue_clear_la(phba, phba->pport); 870 lpfc_issue_clear_la(phba, phba->pport);
866 871
867 return 0; 872 return 0;
@@ -984,9 +989,592 @@ out:
984} 989}
985 990
986static void 991static void
992lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
993{
994 struct lpfc_vport *vport = mboxq->vport;
995 unsigned long flags;
996
997 if (mboxq->u.mb.mbxStatus) {
998 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
999 "2017 REG_FCFI mbxStatus error x%x "
1000 "HBA state x%x\n",
1001 mboxq->u.mb.mbxStatus, vport->port_state);
1002 mempool_free(mboxq, phba->mbox_mem_pool);
1003 return;
1004 }
1005
1006 /* Start FCoE discovery by sending a FLOGI. */
1007 phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi);
1008 /* Set the FCFI registered flag */
1009 spin_lock_irqsave(&phba->hbalock, flags);
1010 phba->fcf.fcf_flag |= FCF_REGISTERED;
1011 spin_unlock_irqrestore(&phba->hbalock, flags);
1012 if (vport->port_state != LPFC_FLOGI) {
1013 spin_lock_irqsave(&phba->hbalock, flags);
1014 phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
1015 spin_unlock_irqrestore(&phba->hbalock, flags);
1016 lpfc_initial_flogi(vport);
1017 }
1018
1019 mempool_free(mboxq, phba->mbox_mem_pool);
1020 return;
1021}
1022
1023/**
1024 * lpfc_fab_name_match - Check if the fcf fabric name match.
1025 * @fab_name: pointer to fabric name.
1026 * @new_fcf_record: pointer to fcf record.
1027 *
1028 * This routine compare the fcf record's fabric name with provided
1029 * fabric name. If the fabric name are identical this function
1030 * returns 1 else return 0.
1031 **/
1032static uint32_t
1033lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record)
1034{
1035 if ((fab_name[0] ==
1036 bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) &&
1037 (fab_name[1] ==
1038 bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) &&
1039 (fab_name[2] ==
1040 bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) &&
1041 (fab_name[3] ==
1042 bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) &&
1043 (fab_name[4] ==
1044 bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) &&
1045 (fab_name[5] ==
1046 bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) &&
1047 (fab_name[6] ==
1048 bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) &&
1049 (fab_name[7] ==
1050 bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)))
1051 return 1;
1052 else
1053 return 0;
1054}
1055
1056/**
1057 * lpfc_mac_addr_match - Check if the fcf mac address match.
1058 * @phba: pointer to lpfc hba data structure.
1059 * @new_fcf_record: pointer to fcf record.
1060 *
1061 * This routine compare the fcf record's mac address with HBA's
1062 * FCF mac address. If the mac addresses are identical this function
1063 * returns 1 else return 0.
1064 **/
1065static uint32_t
1066lpfc_mac_addr_match(struct lpfc_hba *phba, struct fcf_record *new_fcf_record)
1067{
1068 if ((phba->fcf.mac_addr[0] ==
1069 bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) &&
1070 (phba->fcf.mac_addr[1] ==
1071 bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) &&
1072 (phba->fcf.mac_addr[2] ==
1073 bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) &&
1074 (phba->fcf.mac_addr[3] ==
1075 bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) &&
1076 (phba->fcf.mac_addr[4] ==
1077 bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) &&
1078 (phba->fcf.mac_addr[5] ==
1079 bf_get(lpfc_fcf_record_mac_5, new_fcf_record)))
1080 return 1;
1081 else
1082 return 0;
1083}
1084
1085/**
1086 * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba.
1087 * @phba: pointer to lpfc hba data structure.
1088 * @new_fcf_record: pointer to fcf record.
1089 *
1090 * This routine copies the FCF information from the FCF
1091 * record to lpfc_hba data structure.
1092 **/
1093static void
1094lpfc_copy_fcf_record(struct lpfc_hba *phba, struct fcf_record *new_fcf_record)
1095{
1096 phba->fcf.fabric_name[0] =
1097 bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record);
1098 phba->fcf.fabric_name[1] =
1099 bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record);
1100 phba->fcf.fabric_name[2] =
1101 bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record);
1102 phba->fcf.fabric_name[3] =
1103 bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record);
1104 phba->fcf.fabric_name[4] =
1105 bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record);
1106 phba->fcf.fabric_name[5] =
1107 bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record);
1108 phba->fcf.fabric_name[6] =
1109 bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record);
1110 phba->fcf.fabric_name[7] =
1111 bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record);
1112 phba->fcf.mac_addr[0] =
1113 bf_get(lpfc_fcf_record_mac_0, new_fcf_record);
1114 phba->fcf.mac_addr[1] =
1115 bf_get(lpfc_fcf_record_mac_1, new_fcf_record);
1116 phba->fcf.mac_addr[2] =
1117 bf_get(lpfc_fcf_record_mac_2, new_fcf_record);
1118 phba->fcf.mac_addr[3] =
1119 bf_get(lpfc_fcf_record_mac_3, new_fcf_record);
1120 phba->fcf.mac_addr[4] =
1121 bf_get(lpfc_fcf_record_mac_4, new_fcf_record);
1122 phba->fcf.mac_addr[5] =
1123 bf_get(lpfc_fcf_record_mac_5, new_fcf_record);
1124 phba->fcf.fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
1125 phba->fcf.priority = new_fcf_record->fip_priority;
1126}
1127
1128/**
1129 * lpfc_register_fcf - Register the FCF with hba.
1130 * @phba: pointer to lpfc hba data structure.
1131 *
1132 * This routine issues a register fcfi mailbox command to register
1133 * the fcf with HBA.
1134 **/
1135static void
1136lpfc_register_fcf(struct lpfc_hba *phba)
1137{
1138 LPFC_MBOXQ_t *fcf_mbxq;
1139 int rc;
1140 unsigned long flags;
1141
1142 spin_lock_irqsave(&phba->hbalock, flags);
1143
1144 /* If the FCF is not availabe do nothing. */
1145 if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) {
1146 spin_unlock_irqrestore(&phba->hbalock, flags);
1147 return;
1148 }
1149
1150 /* The FCF is already registered, start discovery */
1151 if (phba->fcf.fcf_flag & FCF_REGISTERED) {
1152 phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
1153 spin_unlock_irqrestore(&phba->hbalock, flags);
1154 if (phba->pport->port_state != LPFC_FLOGI)
1155 lpfc_initial_flogi(phba->pport);
1156 return;
1157 }
1158 spin_unlock_irqrestore(&phba->hbalock, flags);
1159
1160 fcf_mbxq = mempool_alloc(phba->mbox_mem_pool,
1161 GFP_KERNEL);
1162 if (!fcf_mbxq)
1163 return;
1164
1165 lpfc_reg_fcfi(phba, fcf_mbxq);
1166 fcf_mbxq->vport = phba->pport;
1167 fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi;
1168 rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT);
1169 if (rc == MBX_NOT_FINISHED)
1170 mempool_free(fcf_mbxq, phba->mbox_mem_pool);
1171
1172 return;
1173}
1174
1175/**
1176 * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery.
1177 * @phba: pointer to lpfc hba data structure.
1178 * @new_fcf_record: pointer to fcf record.
1179 * @boot_flag: Indicates if this record used by boot bios.
1180 * @addr_mode: The address mode to be used by this FCF
1181 *
1182 * This routine compare the fcf record with connect list obtained from the
1183 * config region to decide if this FCF can be used for SAN discovery. It returns
1184 * 1 if this record can be used for SAN discovery else return zero. If this FCF
1185 * record can be used for SAN discovery, the boot_flag will indicate if this FCF
1186 * is used by boot bios and addr_mode will indicate the addressing mode to be
1187 * used for this FCF when the function returns.
1188 * If the FCF record need to be used with a particular vlan id, the vlan is
1189 * set in the vlan_id on return of the function. If not VLAN tagging need to
1190 * be used with the FCF vlan_id will be set to 0xFFFF;
1191 **/
1192static int
1193lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
1194 struct fcf_record *new_fcf_record,
1195 uint32_t *boot_flag, uint32_t *addr_mode,
1196 uint16_t *vlan_id)
1197{
1198 struct lpfc_fcf_conn_entry *conn_entry;
1199
1200 if (!phba->cfg_enable_fip) {
1201 *boot_flag = 0;
1202 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1203 new_fcf_record);
1204 if (phba->valid_vlan)
1205 *vlan_id = phba->vlan_id;
1206 else
1207 *vlan_id = 0xFFFF;
1208 return 1;
1209 }
1210
1211 /*
1212 * If there are no FCF connection table entry, driver connect to all
1213 * FCFs.
1214 */
1215 if (list_empty(&phba->fcf_conn_rec_list)) {
1216 *boot_flag = 0;
1217 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1218 new_fcf_record);
1219 *vlan_id = 0xFFFF;
1220 return 1;
1221 }
1222
1223 list_for_each_entry(conn_entry, &phba->fcf_conn_rec_list, list) {
1224 if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID))
1225 continue;
1226
1227 if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) &&
1228 !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name,
1229 new_fcf_record))
1230 continue;
1231
1232 if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) {
1233 /*
1234 * If the vlan bit map does not have the bit set for the
1235 * vlan id to be used, then it is not a match.
1236 */
1237 if (!(new_fcf_record->vlan_bitmap
1238 [conn_entry->conn_rec.vlan_tag / 8] &
1239 (1 << (conn_entry->conn_rec.vlan_tag % 8))))
1240 continue;
1241 }
1242
1243 /*
1244 * Check if the connection record specifies a required
1245 * addressing mode.
1246 */
1247 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1248 !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) {
1249
1250 /*
1251 * If SPMA required but FCF not support this continue.
1252 */
1253 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1254 !(bf_get(lpfc_fcf_record_mac_addr_prov,
1255 new_fcf_record) & LPFC_FCF_SPMA))
1256 continue;
1257
1258 /*
1259 * If FPMA required but FCF not support this continue.
1260 */
1261 if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1262 !(bf_get(lpfc_fcf_record_mac_addr_prov,
1263 new_fcf_record) & LPFC_FCF_FPMA))
1264 continue;
1265 }
1266
1267 /*
1268 * This fcf record matches filtering criteria.
1269 */
1270 if (conn_entry->conn_rec.flags & FCFCNCT_BOOT)
1271 *boot_flag = 1;
1272 else
1273 *boot_flag = 0;
1274
1275 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1276 new_fcf_record);
1277 /*
1278 * If the user specified a required address mode, assign that
1279 * address mode
1280 */
1281 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1282 (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)))
1283 *addr_mode = (conn_entry->conn_rec.flags &
1284 FCFCNCT_AM_SPMA) ?
1285 LPFC_FCF_SPMA : LPFC_FCF_FPMA;
1286 /*
1287 * If the user specified a prefered address mode, use the
1288 * addr mode only if FCF support the addr_mode.
1289 */
1290 else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1291 (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
1292 (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1293 (*addr_mode & LPFC_FCF_SPMA))
1294 *addr_mode = LPFC_FCF_SPMA;
1295 else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1296 (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
1297 !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1298 (*addr_mode & LPFC_FCF_FPMA))
1299 *addr_mode = LPFC_FCF_FPMA;
1300 /*
1301 * If user did not specify any addressing mode, use FPMA if
1302 * possible else use SPMA.
1303 */
1304 else if (*addr_mode & LPFC_FCF_FPMA)
1305 *addr_mode = LPFC_FCF_FPMA;
1306
1307 if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID)
1308 *vlan_id = conn_entry->conn_rec.vlan_tag;
1309 else
1310 *vlan_id = 0xFFFF;
1311
1312 return 1;
1313 }
1314
1315 return 0;
1316}
1317
1318/**
1319 * lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox.
1320 * @phba: pointer to lpfc hba data structure.
1321 * @mboxq: pointer to mailbox object.
1322 *
1323 * This function iterate through all the fcf records available in
1324 * HBA and choose the optimal FCF record for discovery. After finding
1325 * the FCF for discovery it register the FCF record and kick start
1326 * discovery.
1327 * If FCF_IN_USE flag is set in currently used FCF, the routine try to
1328 * use a FCF record which match fabric name and mac address of the
1329 * currently used FCF record.
1330 * If the driver support only one FCF, it will try to use the FCF record
1331 * used by BOOT_BIOS.
1332 */
1333void
1334lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1335{
1336 void *virt_addr;
1337 dma_addr_t phys_addr;
1338 uint8_t *bytep;
1339 struct lpfc_mbx_sge sge;
1340 struct lpfc_mbx_read_fcf_tbl *read_fcf;
1341 uint32_t shdr_status, shdr_add_status;
1342 union lpfc_sli4_cfg_shdr *shdr;
1343 struct fcf_record *new_fcf_record;
1344 int rc;
1345 uint32_t boot_flag, addr_mode;
1346 uint32_t next_fcf_index;
1347 unsigned long flags;
1348 uint16_t vlan_id;
1349
1350 /* Get the first SGE entry from the non-embedded DMA memory. This
1351 * routine only uses a single SGE.
1352 */
1353 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
1354 phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
1355 if (unlikely(!mboxq->sge_array)) {
1356 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1357 "2524 Failed to get the non-embedded SGE "
1358 "virtual address\n");
1359 goto out;
1360 }
1361 virt_addr = mboxq->sge_array->addr[0];
1362
1363 shdr = (union lpfc_sli4_cfg_shdr *)virt_addr;
1364 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
1365 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
1366 &shdr->response);
1367 /*
1368 * The FCF Record was read and there is no reason for the driver
1369 * to maintain the FCF record data or memory. Instead, just need
1370 * to book keeping the FCFIs can be used.
1371 */
1372 if (shdr_status || shdr_add_status) {
1373 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1374 "2521 READ_FCF_RECORD mailbox failed "
1375 "with status x%x add_status x%x, mbx\n",
1376 shdr_status, shdr_add_status);
1377 goto out;
1378 }
1379 /* Interpreting the returned information of FCF records */
1380 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
1381 lpfc_sli_pcimem_bcopy(read_fcf, read_fcf,
1382 sizeof(struct lpfc_mbx_read_fcf_tbl));
1383 next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
1384
1385 new_fcf_record = (struct fcf_record *)(virt_addr +
1386 sizeof(struct lpfc_mbx_read_fcf_tbl));
1387 lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
1388 sizeof(struct fcf_record));
1389 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
1390
1391 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record,
1392 &boot_flag, &addr_mode,
1393 &vlan_id);
1394 /*
1395 * If the fcf record does not match with connect list entries
1396 * read the next entry.
1397 */
1398 if (!rc)
1399 goto read_next_fcf;
1400 /*
1401 * If this is not the first FCF discovery of the HBA, use last
1402 * FCF record for the discovery.
1403 */
1404 spin_lock_irqsave(&phba->hbalock, flags);
1405 if (phba->fcf.fcf_flag & FCF_IN_USE) {
1406 if (lpfc_fab_name_match(phba->fcf.fabric_name,
1407 new_fcf_record) &&
1408 lpfc_mac_addr_match(phba, new_fcf_record)) {
1409 phba->fcf.fcf_flag |= FCF_AVAILABLE;
1410 spin_unlock_irqrestore(&phba->hbalock, flags);
1411 goto out;
1412 }
1413 spin_unlock_irqrestore(&phba->hbalock, flags);
1414 goto read_next_fcf;
1415 }
1416 if (phba->fcf.fcf_flag & FCF_AVAILABLE) {
1417 /*
1418 * If the current FCF record does not have boot flag
1419 * set and new fcf record has boot flag set, use the
1420 * new fcf record.
1421 */
1422 if (boot_flag && !(phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) {
1423 /* Use this FCF record */
1424 lpfc_copy_fcf_record(phba, new_fcf_record);
1425 phba->fcf.addr_mode = addr_mode;
1426 phba->fcf.fcf_flag |= FCF_BOOT_ENABLE;
1427 if (vlan_id != 0xFFFF) {
1428 phba->fcf.fcf_flag |= FCF_VALID_VLAN;
1429 phba->fcf.vlan_id = vlan_id;
1430 }
1431 spin_unlock_irqrestore(&phba->hbalock, flags);
1432 goto read_next_fcf;
1433 }
1434 /*
1435 * If the current FCF record has boot flag set and the
1436 * new FCF record does not have boot flag, read the next
1437 * FCF record.
1438 */
1439 if (!boot_flag && (phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) {
1440 spin_unlock_irqrestore(&phba->hbalock, flags);
1441 goto read_next_fcf;
1442 }
1443 /*
1444 * If there is a record with lower priority value for
1445 * the current FCF, use that record.
1446 */
1447 if (lpfc_fab_name_match(phba->fcf.fabric_name, new_fcf_record)
1448 && (new_fcf_record->fip_priority <
1449 phba->fcf.priority)) {
1450 /* Use this FCF record */
1451 lpfc_copy_fcf_record(phba, new_fcf_record);
1452 phba->fcf.addr_mode = addr_mode;
1453 if (vlan_id != 0xFFFF) {
1454 phba->fcf.fcf_flag |= FCF_VALID_VLAN;
1455 phba->fcf.vlan_id = vlan_id;
1456 }
1457 spin_unlock_irqrestore(&phba->hbalock, flags);
1458 goto read_next_fcf;
1459 }
1460 spin_unlock_irqrestore(&phba->hbalock, flags);
1461 goto read_next_fcf;
1462 }
1463 /*
1464 * This is the first available FCF record, use this
1465 * record.
1466 */
1467 lpfc_copy_fcf_record(phba, new_fcf_record);
1468 phba->fcf.addr_mode = addr_mode;
1469 if (boot_flag)
1470 phba->fcf.fcf_flag |= FCF_BOOT_ENABLE;
1471 phba->fcf.fcf_flag |= FCF_AVAILABLE;
1472 if (vlan_id != 0xFFFF) {
1473 phba->fcf.fcf_flag |= FCF_VALID_VLAN;
1474 phba->fcf.vlan_id = vlan_id;
1475 }
1476 spin_unlock_irqrestore(&phba->hbalock, flags);
1477 goto read_next_fcf;
1478
1479read_next_fcf:
1480 lpfc_sli4_mbox_cmd_free(phba, mboxq);
1481 if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0)
1482 lpfc_register_fcf(phba);
1483 else
1484 lpfc_sli4_read_fcf_record(phba, next_fcf_index);
1485 return;
1486
1487out:
1488 lpfc_sli4_mbox_cmd_free(phba, mboxq);
1489 lpfc_register_fcf(phba);
1490
1491 return;
1492}
1493
1494/**
1495 * lpfc_start_fdiscs - send fdiscs for each vports on this port.
1496 * @phba: pointer to lpfc hba data structure.
1497 *
1498 * This function loops through the list of vports on the @phba and issues an
1499 * FDISC if possible.
1500 */
1501void
1502lpfc_start_fdiscs(struct lpfc_hba *phba)
1503{
1504 struct lpfc_vport **vports;
1505 int i;
1506
1507 vports = lpfc_create_vport_work_array(phba);
1508 if (vports != NULL) {
1509 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
1510 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
1511 continue;
1512 /* There are no vpi for this vport */
1513 if (vports[i]->vpi > phba->max_vpi) {
1514 lpfc_vport_set_state(vports[i],
1515 FC_VPORT_FAILED);
1516 continue;
1517 }
1518 if (phba->fc_topology == TOPOLOGY_LOOP) {
1519 lpfc_vport_set_state(vports[i],
1520 FC_VPORT_LINKDOWN);
1521 continue;
1522 }
1523 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
1524 lpfc_initial_fdisc(vports[i]);
1525 else {
1526 lpfc_vport_set_state(vports[i],
1527 FC_VPORT_NO_FABRIC_SUPP);
1528 lpfc_printf_vlog(vports[i], KERN_ERR,
1529 LOG_ELS,
1530 "0259 No NPIV "
1531 "Fabric support\n");
1532 }
1533 }
1534 }
1535 lpfc_destroy_vport_work_array(phba, vports);
1536}
1537
1538void
1539lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1540{
1541 struct lpfc_dmabuf *dmabuf = mboxq->context1;
1542 struct lpfc_vport *vport = mboxq->vport;
1543
1544 if (mboxq->u.mb.mbxStatus) {
1545 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1546 "2018 REG_VFI mbxStatus error x%x "
1547 "HBA state x%x\n",
1548 mboxq->u.mb.mbxStatus, vport->port_state);
1549 if (phba->fc_topology == TOPOLOGY_LOOP) {
1550 /* FLOGI failed, use loop map to make discovery list */
1551 lpfc_disc_list_loopmap(vport);
1552 /* Start discovery */
1553 lpfc_disc_start(vport);
1554 goto fail_free_mem;
1555 }
1556 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1557 goto fail_free_mem;
1558 }
1559 /* Mark the vport has registered with its VFI */
1560 vport->vfi_state |= LPFC_VFI_REGISTERED;
1561
1562 if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
1563 lpfc_start_fdiscs(phba);
1564 lpfc_do_scr_ns_plogi(phba, vport);
1565 }
1566
1567fail_free_mem:
1568 mempool_free(mboxq, phba->mbox_mem_pool);
1569 lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
1570 kfree(dmabuf);
1571 return;
1572}
1573
1574static void
987lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1575lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
988{ 1576{
989 MAILBOX_t *mb = &pmb->mb; 1577 MAILBOX_t *mb = &pmb->u.mb;
990 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; 1578 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
991 struct lpfc_vport *vport = pmb->vport; 1579 struct lpfc_vport *vport = pmb->vport;
992 1580
@@ -1037,13 +1625,13 @@ static void
1037lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) 1625lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
1038{ 1626{
1039 struct lpfc_vport *vport = phba->pport; 1627 struct lpfc_vport *vport = phba->pport;
1040 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; 1628 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL;
1041 int i; 1629 int i;
1042 struct lpfc_dmabuf *mp; 1630 struct lpfc_dmabuf *mp;
1043 int rc; 1631 int rc;
1632 struct fcf_record *fcf_record;
1044 1633
1045 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 1634 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1046 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1047 1635
1048 spin_lock_irq(&phba->hbalock); 1636 spin_lock_irq(&phba->hbalock);
1049 switch (la->UlnkSpeed) { 1637 switch (la->UlnkSpeed) {
@@ -1140,22 +1728,66 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
1140 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1728 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1141 kfree(mp); 1729 kfree(mp);
1142 mempool_free(sparam_mbox, phba->mbox_mem_pool); 1730 mempool_free(sparam_mbox, phba->mbox_mem_pool);
1143 if (cfglink_mbox)
1144 mempool_free(cfglink_mbox, phba->mbox_mem_pool);
1145 goto out; 1731 goto out;
1146 } 1732 }
1147 } 1733 }
1148 1734
1149 if (cfglink_mbox) { 1735 if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) {
1736 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1737 if (!cfglink_mbox)
1738 goto out;
1150 vport->port_state = LPFC_LOCAL_CFG_LINK; 1739 vport->port_state = LPFC_LOCAL_CFG_LINK;
1151 lpfc_config_link(phba, cfglink_mbox); 1740 lpfc_config_link(phba, cfglink_mbox);
1152 cfglink_mbox->vport = vport; 1741 cfglink_mbox->vport = vport;
1153 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; 1742 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
1154 rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); 1743 rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT);
1155 if (rc != MBX_NOT_FINISHED) 1744 if (rc == MBX_NOT_FINISHED) {
1156 return; 1745 mempool_free(cfglink_mbox, phba->mbox_mem_pool);
1157 mempool_free(cfglink_mbox, phba->mbox_mem_pool); 1746 goto out;
1747 }
1748 } else {
1749 /*
1750 * Add the driver's default FCF record at FCF index 0 now. This
1751 * is phase 1 implementation that support FCF index 0 and driver
1752 * defaults.
1753 */
1754 if (phba->cfg_enable_fip == 0) {
1755 fcf_record = kzalloc(sizeof(struct fcf_record),
1756 GFP_KERNEL);
1757 if (unlikely(!fcf_record)) {
1758 lpfc_printf_log(phba, KERN_ERR,
1759 LOG_MBOX | LOG_SLI,
1760 "2554 Could not allocate memmory for "
1761 "fcf record\n");
1762 rc = -ENODEV;
1763 goto out;
1764 }
1765
1766 lpfc_sli4_build_dflt_fcf_record(phba, fcf_record,
1767 LPFC_FCOE_FCF_DEF_INDEX);
1768 rc = lpfc_sli4_add_fcf_record(phba, fcf_record);
1769 if (unlikely(rc)) {
1770 lpfc_printf_log(phba, KERN_ERR,
1771 LOG_MBOX | LOG_SLI,
1772 "2013 Could not manually add FCF "
1773 "record 0, status %d\n", rc);
1774 rc = -ENODEV;
1775 kfree(fcf_record);
1776 goto out;
1777 }
1778 kfree(fcf_record);
1779 }
1780 /*
1781 * The driver is expected to do FIP/FCF. Call the port
1782 * and get the FCF Table.
1783 */
1784 rc = lpfc_sli4_read_fcf_record(phba,
1785 LPFC_FCOE_FCF_GET_FIRST);
1786 if (rc)
1787 goto out;
1158 } 1788 }
1789
1790 return;
1159out: 1791out:
1160 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 1792 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1161 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, 1793 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
@@ -1186,6 +1818,7 @@ lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
1186{ 1818{
1187 lpfc_linkdown(phba); 1819 lpfc_linkdown(phba);
1188 lpfc_enable_la(phba); 1820 lpfc_enable_la(phba);
1821 lpfc_unregister_unused_fcf(phba);
1189 /* turn on Link Attention interrupts - no CLEAR_LA needed */ 1822 /* turn on Link Attention interrupts - no CLEAR_LA needed */
1190} 1823}
1191 1824
@@ -3330,3 +3963,395 @@ lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
3330 return 1; 3963 return 1;
3331 return 0; 3964 return 0;
3332} 3965}
3966
3967/**
3968 * lpfc_fcf_inuse - Check if FCF can be unregistered.
3969 * @phba: Pointer to hba context object.
3970 *
3971 * This function iterate through all FC nodes associated
3972 * will all vports to check if there is any node with
3973 * fc_rports associated with it. If there is an fc_rport
3974 * associated with the node, then the node is either in
3975 * discovered state or its devloss_timer is pending.
3976 */
3977static int
3978lpfc_fcf_inuse(struct lpfc_hba *phba)
3979{
3980 struct lpfc_vport **vports;
3981 int i, ret = 0;
3982 struct lpfc_nodelist *ndlp;
3983 struct Scsi_Host *shost;
3984
3985 vports = lpfc_create_vport_work_array(phba);
3986
3987 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
3988 shost = lpfc_shost_from_vport(vports[i]);
3989 spin_lock_irq(shost->host_lock);
3990 list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
3991 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport &&
3992 (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) {
3993 ret = 1;
3994 spin_unlock_irq(shost->host_lock);
3995 goto out;
3996 }
3997 }
3998 spin_unlock_irq(shost->host_lock);
3999 }
4000out:
4001 lpfc_destroy_vport_work_array(phba, vports);
4002 return ret;
4003}
4004
4005/**
4006 * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi.
4007 * @phba: Pointer to hba context object.
4008 * @mboxq: Pointer to mailbox object.
4009 *
4010 * This function frees memory associated with the mailbox command.
4011 */
4012static void
4013lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
4014{
4015 struct lpfc_vport *vport = mboxq->vport;
4016
4017 if (mboxq->u.mb.mbxStatus) {
4018 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
4019 "2555 UNREG_VFI mbxStatus error x%x "
4020 "HBA state x%x\n",
4021 mboxq->u.mb.mbxStatus, vport->port_state);
4022 }
4023 mempool_free(mboxq, phba->mbox_mem_pool);
4024 return;
4025}
4026
4027/**
4028 * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi.
4029 * @phba: Pointer to hba context object.
4030 * @mboxq: Pointer to mailbox object.
4031 *
4032 * This function frees memory associated with the mailbox command.
4033 */
4034static void
4035lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
4036{
4037 struct lpfc_vport *vport = mboxq->vport;
4038
4039 if (mboxq->u.mb.mbxStatus) {
4040 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
4041 "2550 UNREG_FCFI mbxStatus error x%x "
4042 "HBA state x%x\n",
4043 mboxq->u.mb.mbxStatus, vport->port_state);
4044 }
4045 mempool_free(mboxq, phba->mbox_mem_pool);
4046 return;
4047}
4048
4049/**
4050 * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected.
4051 * @phba: Pointer to hba context object.
4052 *
4053 * This function check if there are any connected remote port for the FCF and
4054 * if all the devices are disconnected, this function unregister FCFI.
4055 * This function also tries to use another FCF for discovery.
4056 */
4057void
4058lpfc_unregister_unused_fcf(struct lpfc_hba *phba)
4059{
4060 LPFC_MBOXQ_t *mbox;
4061 int rc;
4062 struct lpfc_vport **vports;
4063 int i;
4064
4065 spin_lock_irq(&phba->hbalock);
4066 /*
4067 * If HBA is not running in FIP mode or
4068 * If HBA does not support FCoE or
4069 * If FCF is not registered.
4070 * do nothing.
4071 */
4072 if (!(phba->hba_flag & HBA_FCOE_SUPPORT) ||
4073 !(phba->fcf.fcf_flag & FCF_REGISTERED) ||
4074 (phba->cfg_enable_fip == 0)) {
4075 spin_unlock_irq(&phba->hbalock);
4076 return;
4077 }
4078 spin_unlock_irq(&phba->hbalock);
4079
4080 if (lpfc_fcf_inuse(phba))
4081 return;
4082
4083
4084 /* Unregister VPIs */
4085 vports = lpfc_create_vport_work_array(phba);
4086 if (vports &&
4087 (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))
4088 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
4089 lpfc_mbx_unreg_vpi(vports[i]);
4090 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
4091 vports[i]->vfi_state &= ~LPFC_VFI_REGISTERED;
4092 }
4093 lpfc_destroy_vport_work_array(phba, vports);
4094
4095 /* Unregister VFI */
4096 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4097 if (!mbox) {
4098 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
4099 "2556 UNREG_VFI mbox allocation failed"
4100 "HBA state x%x\n",
4101 phba->pport->port_state);
4102 return;
4103 }
4104
4105 lpfc_unreg_vfi(mbox, phba->pport->vfi);
4106 mbox->vport = phba->pport;
4107 mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl;
4108
4109 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4110 if (rc == MBX_NOT_FINISHED) {
4111 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
4112 "2557 UNREG_VFI issue mbox failed rc x%x "
4113 "HBA state x%x\n",
4114 rc, phba->pport->port_state);
4115 mempool_free(mbox, phba->mbox_mem_pool);
4116 return;
4117 }
4118
4119 /* Unregister FCF */
4120 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4121 if (!mbox) {
4122 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
4123 "2551 UNREG_FCFI mbox allocation failed"
4124 "HBA state x%x\n",
4125 phba->pport->port_state);
4126 return;
4127 }
4128
4129 lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
4130 mbox->vport = phba->pport;
4131 mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
4132 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4133
4134 if (rc == MBX_NOT_FINISHED) {
4135 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
4136 "2552 UNREG_FCFI issue mbox failed rc x%x "
4137 "HBA state x%x\n",
4138 rc, phba->pport->port_state);
4139 mempool_free(mbox, phba->mbox_mem_pool);
4140 return;
4141 }
4142
4143 spin_lock_irq(&phba->hbalock);
4144 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_REGISTERED |
4145 FCF_DISCOVERED | FCF_BOOT_ENABLE | FCF_IN_USE |
4146 FCF_VALID_VLAN);
4147 spin_unlock_irq(&phba->hbalock);
4148
4149 /*
4150 * If driver is not unloading, check if there is any other
4151 * FCF record that can be used for discovery.
4152 */
4153 if ((phba->pport->load_flag & FC_UNLOADING) ||
4154 (phba->link_state < LPFC_LINK_UP))
4155 return;
4156
4157 rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
4158
4159 if (rc)
4160 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
4161 "2553 lpfc_unregister_unused_fcf failed to read FCF"
4162 " record HBA state x%x\n",
4163 phba->pport->port_state);
4164}
4165
4166/**
4167 * lpfc_read_fcf_conn_tbl - Create driver FCF connection table.
4168 * @phba: Pointer to hba context object.
4169 * @buff: Buffer containing the FCF connection table as in the config
4170 * region.
4171 * This function create driver data structure for the FCF connection
4172 * record table read from config region 23.
4173 */
4174static void
4175lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba,
4176 uint8_t *buff)
4177{
4178 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
4179 struct lpfc_fcf_conn_hdr *conn_hdr;
4180 struct lpfc_fcf_conn_rec *conn_rec;
4181 uint32_t record_count;
4182 int i;
4183
4184 /* Free the current connect table */
4185 list_for_each_entry_safe(conn_entry, next_conn_entry,
4186 &phba->fcf_conn_rec_list, list)
4187 kfree(conn_entry);
4188
4189 conn_hdr = (struct lpfc_fcf_conn_hdr *) buff;
4190 record_count = conn_hdr->length * sizeof(uint32_t)/
4191 sizeof(struct lpfc_fcf_conn_rec);
4192
4193 conn_rec = (struct lpfc_fcf_conn_rec *)
4194 (buff + sizeof(struct lpfc_fcf_conn_hdr));
4195
4196 for (i = 0; i < record_count; i++) {
4197 if (!(conn_rec[i].flags & FCFCNCT_VALID))
4198 continue;
4199 conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry),
4200 GFP_KERNEL);
4201 if (!conn_entry) {
4202 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4203 "2566 Failed to allocate connection"
4204 " table entry\n");
4205 return;
4206 }
4207
4208 memcpy(&conn_entry->conn_rec, &conn_rec[i],
4209 sizeof(struct lpfc_fcf_conn_rec));
4210 conn_entry->conn_rec.vlan_tag =
4211 le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF;
4212 conn_entry->conn_rec.flags =
4213 le16_to_cpu(conn_entry->conn_rec.flags);
4214 list_add_tail(&conn_entry->list,
4215 &phba->fcf_conn_rec_list);
4216 }
4217}
4218
4219/**
4220 * lpfc_read_fcoe_param - Read FCoe parameters from conf region..
4221 * @phba: Pointer to hba context object.
4222 * @buff: Buffer containing the FCoE parameter data structure.
4223 *
4224 * This function update driver data structure with config
4225 * parameters read from config region 23.
4226 */
4227static void
4228lpfc_read_fcoe_param(struct lpfc_hba *phba,
4229 uint8_t *buff)
4230{
4231 struct lpfc_fip_param_hdr *fcoe_param_hdr;
4232 struct lpfc_fcoe_params *fcoe_param;
4233
4234 fcoe_param_hdr = (struct lpfc_fip_param_hdr *)
4235 buff;
4236 fcoe_param = (struct lpfc_fcoe_params *)
4237 buff + sizeof(struct lpfc_fip_param_hdr);
4238
4239 if ((fcoe_param_hdr->parm_version != FIPP_VERSION) ||
4240 (fcoe_param_hdr->length != FCOE_PARAM_LENGTH))
4241 return;
4242
4243 if (bf_get(lpfc_fip_param_hdr_fipp_mode, fcoe_param_hdr) ==
4244 FIPP_MODE_ON)
4245 phba->cfg_enable_fip = 1;
4246
4247 if (bf_get(lpfc_fip_param_hdr_fipp_mode, fcoe_param_hdr) ==
4248 FIPP_MODE_OFF)
4249 phba->cfg_enable_fip = 0;
4250
4251 if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) {
4252 phba->valid_vlan = 1;
4253 phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) &
4254 0xFFF;
4255 }
4256
4257 phba->fc_map[0] = fcoe_param->fc_map[0];
4258 phba->fc_map[1] = fcoe_param->fc_map[1];
4259 phba->fc_map[2] = fcoe_param->fc_map[2];
4260 return;
4261}
4262
4263/**
4264 * lpfc_get_rec_conf23 - Get a record type in config region data.
4265 * @buff: Buffer containing config region 23 data.
4266 * @size: Size of the data buffer.
4267 * @rec_type: Record type to be searched.
4268 *
4269 * This function searches config region data to find the begining
4270 * of the record specified by record_type. If record found, this
4271 * function return pointer to the record else return NULL.
4272 */
4273static uint8_t *
4274lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type)
4275{
4276 uint32_t offset = 0, rec_length;
4277
4278 if ((buff[0] == LPFC_REGION23_LAST_REC) ||
4279 (size < sizeof(uint32_t)))
4280 return NULL;
4281
4282 rec_length = buff[offset + 1];
4283
4284 /*
4285 * One TLV record has one word header and number of data words
4286 * specified in the rec_length field of the record header.
4287 */
4288 while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t))
4289 <= size) {
4290 if (buff[offset] == rec_type)
4291 return &buff[offset];
4292
4293 if (buff[offset] == LPFC_REGION23_LAST_REC)
4294 return NULL;
4295
4296 offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t);
4297 rec_length = buff[offset + 1];
4298 }
4299 return NULL;
4300}
4301
4302/**
4303 * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23.
4304 * @phba: Pointer to lpfc_hba data structure.
4305 * @buff: Buffer containing config region 23 data.
4306 * @size: Size of the data buffer.
4307 *
4308 * This fuction parse the FCoE config parameters in config region 23 and
4309 * populate driver data structure with the parameters.
4310 */
4311void
4312lpfc_parse_fcoe_conf(struct lpfc_hba *phba,
4313 uint8_t *buff,
4314 uint32_t size)
4315{
4316 uint32_t offset = 0, rec_length;
4317 uint8_t *rec_ptr;
4318
4319 /*
4320 * If data size is less than 2 words signature and version cannot be
4321 * verified.
4322 */
4323 if (size < 2*sizeof(uint32_t))
4324 return;
4325
4326 /* Check the region signature first */
4327 if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) {
4328 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4329 "2567 Config region 23 has bad signature\n");
4330 return;
4331 }
4332
4333 offset += 4;
4334
4335 /* Check the data structure version */
4336 if (buff[offset] != LPFC_REGION23_VERSION) {
4337 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4338 "2568 Config region 23 has bad version\n");
4339 return;
4340 }
4341 offset += 4;
4342
4343 rec_length = buff[offset + 1];
4344
4345 /* Read FCoE param record */
4346 rec_ptr = lpfc_get_rec_conf23(&buff[offset],
4347 size - offset, FCOE_PARAM_TYPE);
4348 if (rec_ptr)
4349 lpfc_read_fcoe_param(phba, rec_ptr);
4350
4351 /* Read FCF connection table */
4352 rec_ptr = lpfc_get_rec_conf23(&buff[offset],
4353 size - offset, FCOE_CONN_TBL_TYPE);
4354 if (rec_ptr)
4355 lpfc_read_fcf_conn_tbl(phba, rec_ptr);
4356
4357}
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 6efe459e8ddf..2c7eba686262 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -363,7 +363,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
363 if (!mbox) 363 if (!mbox)
364 goto out; 364 goto out;
365 365
366 rc = lpfc_reg_login(phba, vport->vpi, icmd->un.rcvels.remoteID, 366 rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID,
367 (uint8_t *) sp, mbox, 0); 367 (uint8_t *) sp, mbox, 0);
368 if (rc) { 368 if (rc) {
369 mempool_free(mbox, phba->mbox_mem_pool); 369 mempool_free(mbox, phba->mbox_mem_pool);
@@ -497,11 +497,19 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
497 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); 497 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
498 else 498 else
499 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 499 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
500 if ((ndlp->nlp_type & NLP_FABRIC) &&
501 vport->port_type == LPFC_NPIV_PORT) {
502 lpfc_linkdown_port(vport);
503 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
504 spin_lock_irq(shost->host_lock);
505 ndlp->nlp_flag |= NLP_DELAY_TMO;
506 spin_unlock_irq(shost->host_lock);
500 507
501 if ((!(ndlp->nlp_type & NLP_FABRIC) && 508 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
502 ((ndlp->nlp_type & NLP_FCP_TARGET) || 509 } else if ((!(ndlp->nlp_type & NLP_FABRIC) &&
503 !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || 510 ((ndlp->nlp_type & NLP_FCP_TARGET) ||
504 (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { 511 !(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
512 (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
505 /* Only try to re-login if this is NOT a Fabric Node */ 513 /* Only try to re-login if this is NOT a Fabric Node */
506 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); 514 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
507 spin_lock_irq(shost->host_lock); 515 spin_lock_irq(shost->host_lock);
@@ -569,7 +577,7 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
569{ 577{
570 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 578 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
571 579
572 if (!ndlp->nlp_rpi) { 580 if (!(ndlp->nlp_flag & NLP_RPI_VALID)) {
573 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 581 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
574 return 0; 582 return 0;
575 } 583 }
@@ -859,7 +867,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
859 867
860 lpfc_unreg_rpi(vport, ndlp); 868 lpfc_unreg_rpi(vport, ndlp);
861 869
862 if (lpfc_reg_login(phba, vport->vpi, irsp->un.elsreq64.remoteID, 870 if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID,
863 (uint8_t *) sp, mbox, 0) == 0) { 871 (uint8_t *) sp, mbox, 0) == 0) {
864 switch (ndlp->nlp_DID) { 872 switch (ndlp->nlp_DID) {
865 case NameServer_DID: 873 case NameServer_DID:
@@ -1070,6 +1078,7 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
1070 struct lpfc_iocbq *cmdiocb, *rspiocb; 1078 struct lpfc_iocbq *cmdiocb, *rspiocb;
1071 IOCB_t *irsp; 1079 IOCB_t *irsp;
1072 ADISC *ap; 1080 ADISC *ap;
1081 int rc;
1073 1082
1074 cmdiocb = (struct lpfc_iocbq *) arg; 1083 cmdiocb = (struct lpfc_iocbq *) arg;
1075 rspiocb = cmdiocb->context_un.rsp_iocb; 1084 rspiocb = cmdiocb->context_un.rsp_iocb;
@@ -1095,6 +1104,15 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
1095 return ndlp->nlp_state; 1104 return ndlp->nlp_state;
1096 } 1105 }
1097 1106
1107 if (phba->sli_rev == LPFC_SLI_REV4) {
1108 rc = lpfc_sli4_resume_rpi(ndlp);
1109 if (rc) {
1110 /* Stay in state and retry. */
1111 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
1112 return ndlp->nlp_state;
1113 }
1114 }
1115
1098 if (ndlp->nlp_type & NLP_FCP_TARGET) { 1116 if (ndlp->nlp_type & NLP_FCP_TARGET) {
1099 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1117 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
1100 lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); 1118 lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
@@ -1102,6 +1120,7 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
1102 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1120 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
1103 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); 1121 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
1104 } 1122 }
1123
1105 return ndlp->nlp_state; 1124 return ndlp->nlp_state;
1106} 1125}
1107 1126
@@ -1285,6 +1304,7 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
1285 } 1304 }
1286 1305
1287 ndlp->nlp_rpi = mb->un.varWords[0]; 1306 ndlp->nlp_rpi = mb->un.varWords[0];
1307 ndlp->nlp_flag |= NLP_RPI_VALID;
1288 1308
1289 /* Only if we are not a fabric nport do we issue PRLI */ 1309 /* Only if we are not a fabric nport do we issue PRLI */
1290 if (!(ndlp->nlp_type & NLP_FABRIC)) { 1310 if (!(ndlp->nlp_type & NLP_FABRIC)) {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index b53af9936282..9645d32e6f87 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -10929,3 +10929,520 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba)
10929 }; 10929 };
10930 return 0; 10930 return 0;
10931} 10931}
10932
10933/**
10934 * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port
10935 * @phba: pointer to lpfc hba data structure.
10936 *
10937 * This routine is invoked to post rpi header templates to the
10938 * HBA consistent with the SLI-4 interface spec. This routine
10939 * posts a PAGE_SIZE memory region to the port to hold up to
10940 * PAGE_SIZE modulo 64 rpi context headers.
10941 *
10942 * This routine does not require any locks. It's usage is expected
10943 * to be driver load or reset recovery when the driver is
10944 * sequential.
10945 *
10946 * Return codes
10947 * 0 - sucessful
10948 * EIO - The mailbox failed to complete successfully.
10949 * When this error occurs, the driver is not guaranteed
10950 * to have any rpi regions posted to the device and
10951 * must either attempt to repost the regions or take a
10952 * fatal error.
10953 **/
10954int
10955lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba)
10956{
10957 struct lpfc_rpi_hdr *rpi_page;
10958 uint32_t rc = 0;
10959
10960 /* Post all rpi memory regions to the port. */
10961 list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
10962 rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page);
10963 if (rc != MBX_SUCCESS) {
10964 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
10965 "2008 Error %d posting all rpi "
10966 "headers\n", rc);
10967 rc = -EIO;
10968 break;
10969 }
10970 }
10971
10972 return rc;
10973}
10974
10975/**
10976 * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port
10977 * @phba: pointer to lpfc hba data structure.
10978 * @rpi_page: pointer to the rpi memory region.
10979 *
10980 * This routine is invoked to post a single rpi header to the
10981 * HBA consistent with the SLI-4 interface spec. This memory region
10982 * maps up to 64 rpi context regions.
10983 *
10984 * Return codes
10985 * 0 - sucessful
10986 * ENOMEM - No available memory
10987 * EIO - The mailbox failed to complete successfully.
10988 **/
10989int
10990lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page)
10991{
10992 LPFC_MBOXQ_t *mboxq;
10993 struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl;
10994 uint32_t rc = 0;
10995 uint32_t mbox_tmo;
10996 uint32_t shdr_status, shdr_add_status;
10997 union lpfc_sli4_cfg_shdr *shdr;
10998
10999 /* The port is notified of the header region via a mailbox command. */
11000 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
11001 if (!mboxq) {
11002 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
11003 "2001 Unable to allocate memory for issuing "
11004 "SLI_CONFIG_SPECIAL mailbox command\n");
11005 return -ENOMEM;
11006 }
11007
11008 /* Post all rpi memory regions to the port. */
11009 hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl;
11010 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
11011 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
11012 LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE,
11013 sizeof(struct lpfc_mbx_post_hdr_tmpl) -
11014 sizeof(struct mbox_header), LPFC_SLI4_MBX_EMBED);
11015 bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt,
11016 hdr_tmpl, rpi_page->page_count);
11017 bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl,
11018 rpi_page->start_rpi);
11019 hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys);
11020 hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys);
11021 if (!phba->sli4_hba.intr_enable)
11022 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
11023 else
11024 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
11025 shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr;
11026 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
11027 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
11028 if (rc != MBX_TIMEOUT)
11029 mempool_free(mboxq, phba->mbox_mem_pool);
11030 if (shdr_status || shdr_add_status || rc) {
11031 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11032 "2514 POST_RPI_HDR mailbox failed with "
11033 "status x%x add_status x%x, mbx status x%x\n",
11034 shdr_status, shdr_add_status, rc);
11035 rc = -ENXIO;
11036 }
11037 return rc;
11038}
11039
11040/**
11041 * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range
11042 * @phba: pointer to lpfc hba data structure.
11043 *
11044 * This routine is invoked to post rpi header templates to the
11045 * HBA consistent with the SLI-4 interface spec. This routine
11046 * posts a PAGE_SIZE memory region to the port to hold up to
11047 * PAGE_SIZE modulo 64 rpi context headers.
11048 *
11049 * Returns
11050 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if sucessful
11051 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
11052 **/
11053int
11054lpfc_sli4_alloc_rpi(struct lpfc_hba *phba)
11055{
11056 int rpi;
11057 uint16_t max_rpi, rpi_base, rpi_limit;
11058 uint16_t rpi_remaining;
11059 struct lpfc_rpi_hdr *rpi_hdr;
11060
11061 max_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
11062 rpi_base = phba->sli4_hba.max_cfg_param.rpi_base;
11063 rpi_limit = phba->sli4_hba.next_rpi;
11064
11065 /*
11066 * The valid rpi range is not guaranteed to be zero-based. Start
11067 * the search at the rpi_base as reported by the port.
11068 */
11069 spin_lock_irq(&phba->hbalock);
11070 rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, rpi_base);
11071 if (rpi >= rpi_limit || rpi < rpi_base)
11072 rpi = LPFC_RPI_ALLOC_ERROR;
11073 else {
11074 set_bit(rpi, phba->sli4_hba.rpi_bmask);
11075 phba->sli4_hba.max_cfg_param.rpi_used++;
11076 phba->sli4_hba.rpi_count++;
11077 }
11078
11079 /*
11080 * Don't try to allocate more rpi header regions if the device limit
11081 * on available rpis max has been exhausted.
11082 */
11083 if ((rpi == LPFC_RPI_ALLOC_ERROR) &&
11084 (phba->sli4_hba.rpi_count >= max_rpi)) {
11085 spin_unlock_irq(&phba->hbalock);
11086 return rpi;
11087 }
11088
11089 /*
11090 * If the driver is running low on rpi resources, allocate another
11091 * page now. Note that the next_rpi value is used because
11092 * it represents how many are actually in use whereas max_rpi notes
11093 * how many are supported max by the device.
11094 */
11095 rpi_remaining = phba->sli4_hba.next_rpi - rpi_base -
11096 phba->sli4_hba.rpi_count;
11097 spin_unlock_irq(&phba->hbalock);
11098 if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) {
11099 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
11100 if (!rpi_hdr) {
11101 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
11102 "2002 Error Could not grow rpi "
11103 "count\n");
11104 } else {
11105 lpfc_sli4_post_rpi_hdr(phba, rpi_hdr);
11106 }
11107 }
11108
11109 return rpi;
11110}
11111
11112/**
11113 * lpfc_sli4_free_rpi - Release an rpi for reuse.
11114 * @phba: pointer to lpfc hba data structure.
11115 *
11116 * This routine is invoked to release an rpi to the pool of
11117 * available rpis maintained by the driver.
11118 **/
11119void
11120lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi)
11121{
11122 spin_lock_irq(&phba->hbalock);
11123 clear_bit(rpi, phba->sli4_hba.rpi_bmask);
11124 phba->sli4_hba.rpi_count--;
11125 phba->sli4_hba.max_cfg_param.rpi_used--;
11126 spin_unlock_irq(&phba->hbalock);
11127}
11128
11129/**
11130 * lpfc_sli4_remove_rpis - Remove the rpi bitmask region
11131 * @phba: pointer to lpfc hba data structure.
11132 *
11133 * This routine is invoked to remove the memory region that
11134 * provided rpi via a bitmask.
11135 **/
11136void
11137lpfc_sli4_remove_rpis(struct lpfc_hba *phba)
11138{
11139 kfree(phba->sli4_hba.rpi_bmask);
11140}
11141
11142/**
11143 * lpfc_sli4_resume_rpi - Remove the rpi bitmask region
11144 * @phba: pointer to lpfc hba data structure.
11145 *
11146 * This routine is invoked to remove the memory region that
11147 * provided rpi via a bitmask.
11148 **/
11149int
11150lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp)
11151{
11152 LPFC_MBOXQ_t *mboxq;
11153 struct lpfc_hba *phba = ndlp->phba;
11154 int rc;
11155
11156 /* The port is notified of the header region via a mailbox command. */
11157 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
11158 if (!mboxq)
11159 return -ENOMEM;
11160
11161 /* Post all rpi memory regions to the port. */
11162 lpfc_resume_rpi(mboxq, ndlp);
11163 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
11164 if (rc == MBX_NOT_FINISHED) {
11165 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
11166 "2010 Resume RPI Mailbox failed "
11167 "status %d, mbxStatus x%x\n", rc,
11168 bf_get(lpfc_mqe_status, &mboxq->u.mqe));
11169 mempool_free(mboxq, phba->mbox_mem_pool);
11170 return -EIO;
11171 }
11172 return 0;
11173}
11174
11175/**
11176 * lpfc_sli4_init_vpi - Initialize a vpi with the port
11177 * @phba: pointer to lpfc hba data structure.
11178 * @vpi: vpi value to activate with the port.
11179 *
11180 * This routine is invoked to activate a vpi with the
11181 * port when the host intends to use vports with a
11182 * nonzero vpi.
11183 *
11184 * Returns:
11185 * 0 success
11186 * -Evalue otherwise
11187 **/
11188int
11189lpfc_sli4_init_vpi(struct lpfc_hba *phba, uint16_t vpi)
11190{
11191 LPFC_MBOXQ_t *mboxq;
11192 int rc = 0;
11193 uint32_t mbox_tmo;
11194
11195 if (vpi == 0)
11196 return -EINVAL;
11197 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
11198 if (!mboxq)
11199 return -ENOMEM;
11200 lpfc_init_vpi(mboxq, vpi);
11201 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_INIT_VPI);
11202 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
11203 if (rc != MBX_TIMEOUT)
11204 mempool_free(mboxq, phba->mbox_mem_pool);
11205 if (rc != MBX_SUCCESS) {
11206 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
11207 "2022 INIT VPI Mailbox failed "
11208 "status %d, mbxStatus x%x\n", rc,
11209 bf_get(lpfc_mqe_status, &mboxq->u.mqe));
11210 rc = -EIO;
11211 }
11212 return rc;
11213}
11214
11215/**
11216 * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler.
11217 * @phba: pointer to lpfc hba data structure.
11218 * @mboxq: Pointer to mailbox object.
11219 *
11220 * This routine is invoked to manually add a single FCF record. The caller
11221 * must pass a completely initialized FCF_Record. This routine takes
11222 * care of the nonembedded mailbox operations.
11223 **/
11224static void
11225lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
11226{
11227 void *virt_addr;
11228 union lpfc_sli4_cfg_shdr *shdr;
11229 uint32_t shdr_status, shdr_add_status;
11230
11231 virt_addr = mboxq->sge_array->addr[0];
11232 /* The IOCTL status is embedded in the mailbox subheader. */
11233 shdr = (union lpfc_sli4_cfg_shdr *) virt_addr;
11234 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
11235 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
11236
11237 if ((shdr_status || shdr_add_status) &&
11238 (shdr_status != STATUS_FCF_IN_USE))
11239 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11240 "2558 ADD_FCF_RECORD mailbox failed with "
11241 "status x%x add_status x%x\n",
11242 shdr_status, shdr_add_status);
11243
11244 lpfc_sli4_mbox_cmd_free(phba, mboxq);
11245}
11246
11247/**
11248 * lpfc_sli4_add_fcf_record - Manually add an FCF Record.
11249 * @phba: pointer to lpfc hba data structure.
11250 * @fcf_record: pointer to the initialized fcf record to add.
11251 *
11252 * This routine is invoked to manually add a single FCF record. The caller
11253 * must pass a completely initialized FCF_Record. This routine takes
11254 * care of the nonembedded mailbox operations.
11255 **/
11256int
11257lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record)
11258{
11259 int rc = 0;
11260 LPFC_MBOXQ_t *mboxq;
11261 uint8_t *bytep;
11262 void *virt_addr;
11263 dma_addr_t phys_addr;
11264 struct lpfc_mbx_sge sge;
11265 uint32_t alloc_len, req_len;
11266 uint32_t fcfindex;
11267
11268 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
11269 if (!mboxq) {
11270 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11271 "2009 Failed to allocate mbox for ADD_FCF cmd\n");
11272 return -ENOMEM;
11273 }
11274
11275 req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) +
11276 sizeof(uint32_t);
11277
11278 /* Allocate DMA memory and set up the non-embedded mailbox command */
11279 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
11280 LPFC_MBOX_OPCODE_FCOE_ADD_FCF,
11281 req_len, LPFC_SLI4_MBX_NEMBED);
11282 if (alloc_len < req_len) {
11283 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11284 "2523 Allocated DMA memory size (x%x) is "
11285 "less than the requested DMA memory "
11286 "size (x%x)\n", alloc_len, req_len);
11287 lpfc_sli4_mbox_cmd_free(phba, mboxq);
11288 return -ENOMEM;
11289 }
11290
11291 /*
11292 * Get the first SGE entry from the non-embedded DMA memory. This
11293 * routine only uses a single SGE.
11294 */
11295 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
11296 phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
11297 if (unlikely(!mboxq->sge_array)) {
11298 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
11299 "2526 Failed to get the non-embedded SGE "
11300 "virtual address\n");
11301 lpfc_sli4_mbox_cmd_free(phba, mboxq);
11302 return -ENOMEM;
11303 }
11304 virt_addr = mboxq->sge_array->addr[0];
11305 /*
11306 * Configure the FCF record for FCFI 0. This is the driver's
11307 * hardcoded default and gets used in nonFIP mode.
11308 */
11309 fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record);
11310 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
11311 lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t));
11312
11313 /*
11314 * Copy the fcf_index and the FCF Record Data. The data starts after
11315 * the FCoE header plus word10. The data copy needs to be endian
11316 * correct.
11317 */
11318 bytep += sizeof(uint32_t);
11319 lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record));
11320 mboxq->vport = phba->pport;
11321 mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record;
11322 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
11323 if (rc == MBX_NOT_FINISHED) {
11324 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11325 "2515 ADD_FCF_RECORD mailbox failed with "
11326 "status 0x%x\n", rc);
11327 lpfc_sli4_mbox_cmd_free(phba, mboxq);
11328 rc = -EIO;
11329 } else
11330 rc = 0;
11331
11332 return rc;
11333}
11334
11335/**
11336 * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record.
11337 * @phba: pointer to lpfc hba data structure.
11338 * @fcf_record: pointer to the fcf record to write the default data.
11339 * @fcf_index: FCF table entry index.
11340 *
11341 * This routine is invoked to build the driver's default FCF record. The
11342 * values used are hardcoded. This routine handles memory initialization.
11343 *
11344 **/
11345void
11346lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba,
11347 struct fcf_record *fcf_record,
11348 uint16_t fcf_index)
11349{
11350 memset(fcf_record, 0, sizeof(struct fcf_record));
11351 fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE;
11352 fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER;
11353 fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY;
11354 bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]);
11355 bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]);
11356 bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]);
11357 bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3);
11358 bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4);
11359 bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5);
11360 bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]);
11361 bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]);
11362 bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]);
11363 bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1);
11364 bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index);
11365 bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record,
11366 LPFC_FCF_FPMA | LPFC_FCF_SPMA);
11367 /* Set the VLAN bit map */
11368 if (phba->valid_vlan) {
11369 fcf_record->vlan_bitmap[phba->vlan_id / 8]
11370 = 1 << (phba->vlan_id % 8);
11371 }
11372}
11373
11374/**
11375 * lpfc_sli4_read_fcf_record - Read the driver's default FCF Record.
11376 * @phba: pointer to lpfc hba data structure.
11377 * @fcf_index: FCF table entry offset.
11378 *
11379 * This routine is invoked to read up to @fcf_num of FCF record from the
11380 * device starting with the given @fcf_index.
11381 **/
11382int
11383lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
11384{
11385 int rc = 0, error;
11386 LPFC_MBOXQ_t *mboxq;
11387 void *virt_addr;
11388 dma_addr_t phys_addr;
11389 uint8_t *bytep;
11390 struct lpfc_mbx_sge sge;
11391 uint32_t alloc_len, req_len;
11392 struct lpfc_mbx_read_fcf_tbl *read_fcf;
11393
11394 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
11395 if (!mboxq) {
11396 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11397 "2000 Failed to allocate mbox for "
11398 "READ_FCF cmd\n");
11399 return -ENOMEM;
11400 }
11401
11402 req_len = sizeof(struct fcf_record) +
11403 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
11404
11405 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
11406 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
11407 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
11408 LPFC_SLI4_MBX_NEMBED);
11409
11410 if (alloc_len < req_len) {
11411 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11412 "0291 Allocated DMA memory size (x%x) is "
11413 "less than the requested DMA memory "
11414 "size (x%x)\n", alloc_len, req_len);
11415 lpfc_sli4_mbox_cmd_free(phba, mboxq);
11416 return -ENOMEM;
11417 }
11418
11419 /* Get the first SGE entry from the non-embedded DMA memory. This
11420 * routine only uses a single SGE.
11421 */
11422 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
11423 phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
11424 if (unlikely(!mboxq->sge_array)) {
11425 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
11426 "2527 Failed to get the non-embedded SGE "
11427 "virtual address\n");
11428 lpfc_sli4_mbox_cmd_free(phba, mboxq);
11429 return -ENOMEM;
11430 }
11431 virt_addr = mboxq->sge_array->addr[0];
11432 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
11433
11434 /* Set up command fields */
11435 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
11436 /* Perform necessary endian conversion */
11437 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
11438 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
11439 mboxq->vport = phba->pport;
11440 mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_record;
11441 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
11442 if (rc == MBX_NOT_FINISHED) {
11443 lpfc_sli4_mbox_cmd_free(phba, mboxq);
11444 error = -EIO;
11445 } else
11446 error = 0;
11447 return error;
11448}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-13 22:30:06 -0500