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-rw-r--r--drivers/scsi/lpfc/lpfc.h8
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c54
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c349
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c41
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c72
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h6
7 files changed, 327 insertions, 204 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index cd4afcf749dd..196de40b906c 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -552,9 +552,11 @@ struct lpfc_hba {
552#define ELS_XRI_ABORT_EVENT 0x40 552#define ELS_XRI_ABORT_EVENT 0x40
553#define ASYNC_EVENT 0x80 553#define ASYNC_EVENT 0x80
554#define LINK_DISABLED 0x100 /* Link disabled by user */ 554#define LINK_DISABLED 0x100 /* Link disabled by user */
555#define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */ 555#define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
556#define HBA_FIP_SUPPORT 0x400 /* FIP support in HBA */ 556#define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
557#define HBA_AER_ENABLED 0x800 /* AER enabled with HBA */ 557#define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
558#define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
559#define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
558 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ 560 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
559 struct lpfc_dmabuf slim2p; 561 struct lpfc_dmabuf slim2p;
560 562
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 03f4ddc18572..b15d13e56174 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -229,6 +229,7 @@ void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
229uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *); 229uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
230int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t); 230int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
231void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t); 231void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
232int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t);
232 233
233int lpfc_mem_alloc(struct lpfc_hba *, int align); 234int lpfc_mem_alloc(struct lpfc_hba *, int align);
234void lpfc_mem_free(struct lpfc_hba *); 235void lpfc_mem_free(struct lpfc_hba *);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index ea511d18f0ec..b115e92025e5 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -795,7 +795,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
795 795
796 if (irsp->ulpStatus) { 796 if (irsp->ulpStatus) {
797 /* 797 /*
798 * In case of FIP mode, perform round robin FCF failover 798 * In case of FIP mode, perform roundrobin FCF failover
799 * due to new FCF discovery 799 * due to new FCF discovery
800 */ 800 */
801 if ((phba->hba_flag & HBA_FIP_SUPPORT) && 801 if ((phba->hba_flag & HBA_FIP_SUPPORT) &&
@@ -803,48 +803,16 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
803 (irsp->ulpStatus != IOSTAT_LOCAL_REJECT) && 803 (irsp->ulpStatus != IOSTAT_LOCAL_REJECT) &&
804 (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED)) { 804 (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED)) {
805 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, 805 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
806 "2611 FLOGI failed on registered " 806 "2611 FLOGI failed on FCF (x%x), "
807 "FCF record fcf_index(%d), status: " 807 "status:x%x/x%x, tmo:x%x, perform "
808 "x%x/x%x, tmo:x%x, trying to perform " 808 "roundrobin FCF failover\n",
809 "round robin failover\n",
810 phba->fcf.current_rec.fcf_indx, 809 phba->fcf.current_rec.fcf_indx,
811 irsp->ulpStatus, irsp->un.ulpWord[4], 810 irsp->ulpStatus, irsp->un.ulpWord[4],
812 irsp->ulpTimeout); 811 irsp->ulpTimeout);
813 fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); 812 fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
814 if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) { 813 rc = lpfc_sli4_fcf_rr_next_proc(vport, fcf_index);
815 /* 814 if (rc)
816 * Exhausted the eligible FCF record list, 815 goto out;
817 * fail through to retry FLOGI on current
818 * FCF record.
819 */
820 lpfc_printf_log(phba, KERN_WARNING,
821 LOG_FIP | LOG_ELS,
822 "2760 Completed one round "
823 "of FLOGI FCF round robin "
824 "failover list, retry FLOGI "
825 "on currently registered "
826 "FCF index:%d\n",
827 phba->fcf.current_rec.fcf_indx);
828 } else {
829 lpfc_printf_log(phba, KERN_INFO,
830 LOG_FIP | LOG_ELS,
831 "2794 FLOGI FCF round robin "
832 "failover to FCF index x%x\n",
833 fcf_index);
834 rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba,
835 fcf_index);
836 if (rc)
837 lpfc_printf_log(phba, KERN_WARNING,
838 LOG_FIP | LOG_ELS,
839 "2761 FLOGI round "
840 "robin FCF failover "
841 "read FCF failed "
842 "rc:x%x, fcf_index:"
843 "%d\n", rc,
844 phba->fcf.current_rec.fcf_indx);
845 else
846 goto out;
847 }
848 } 816 }
849 817
850 /* FLOGI failure */ 818 /* FLOGI failure */
@@ -934,6 +902,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
934 lpfc_nlp_put(ndlp); 902 lpfc_nlp_put(ndlp);
935 spin_lock_irq(&phba->hbalock); 903 spin_lock_irq(&phba->hbalock);
936 phba->fcf.fcf_flag &= ~FCF_DISCOVERY; 904 phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
905 phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO);
937 spin_unlock_irq(&phba->hbalock); 906 spin_unlock_irq(&phba->hbalock);
938 goto out; 907 goto out;
939 } 908 }
@@ -942,13 +911,12 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
942 if (phba->hba_flag & HBA_FIP_SUPPORT) 911 if (phba->hba_flag & HBA_FIP_SUPPORT)
943 lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP | 912 lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP |
944 LOG_ELS, 913 LOG_ELS,
945 "2769 FLOGI successful on FCF " 914 "2769 FLOGI to FCF (x%x) "
946 "record: current_fcf_index:" 915 "completed successfully\n",
947 "x%x, terminate FCF round "
948 "robin failover process\n",
949 phba->fcf.current_rec.fcf_indx); 916 phba->fcf.current_rec.fcf_indx);
950 spin_lock_irq(&phba->hbalock); 917 spin_lock_irq(&phba->hbalock);
951 phba->fcf.fcf_flag &= ~FCF_DISCOVERY; 918 phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
919 phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO);
952 spin_unlock_irq(&phba->hbalock); 920 spin_unlock_irq(&phba->hbalock);
953 goto out; 921 goto out;
954 } 922 }
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 0788bf670add..05c9398a723d 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -20,6 +20,7 @@
20 *******************************************************************/ 20 *******************************************************************/
21 21
22#include <linux/blkdev.h> 22#include <linux/blkdev.h>
23#include <linux/delay.h>
23#include <linux/slab.h> 24#include <linux/slab.h>
24#include <linux/pci.h> 25#include <linux/pci.h>
25#include <linux/kthread.h> 26#include <linux/kthread.h>
@@ -63,6 +64,7 @@ static uint8_t lpfcAlpaArray[] = {
63static void lpfc_disc_timeout_handler(struct lpfc_vport *); 64static void lpfc_disc_timeout_handler(struct lpfc_vport *);
64static void lpfc_disc_flush_list(struct lpfc_vport *vport); 65static void lpfc_disc_flush_list(struct lpfc_vport *vport);
65static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); 66static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
67static int lpfc_fcf_inuse(struct lpfc_hba *);
66 68
67void 69void
68lpfc_terminate_rport_io(struct fc_rport *rport) 70lpfc_terminate_rport_io(struct fc_rport *rport)
@@ -160,11 +162,17 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
160 return; 162 return;
161} 163}
162 164
163/* 165/**
164 * This function is called from the worker thread when dev_loss_tmo 166 * lpfc_dev_loss_tmo_handler - Remote node devloss timeout handler
165 * expire. 167 * @ndlp: Pointer to remote node object.
166 */ 168 *
167static void 169 * This function is called from the worker thread when devloss timeout timer
170 * expires. For SLI4 host, this routine shall return 1 when at lease one
171 * remote node, including this @ndlp, is still in use of FCF; otherwise, this
172 * routine shall return 0 when there is no remote node is still in use of FCF
173 * when devloss timeout happened to this @ndlp.
174 **/
175static int
168lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) 176lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
169{ 177{
170 struct lpfc_rport_data *rdata; 178 struct lpfc_rport_data *rdata;
@@ -175,17 +183,21 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
175 int put_node; 183 int put_node;
176 int put_rport; 184 int put_rport;
177 int warn_on = 0; 185 int warn_on = 0;
186 int fcf_inuse = 0;
178 187
179 rport = ndlp->rport; 188 rport = ndlp->rport;
180 189
181 if (!rport) 190 if (!rport)
182 return; 191 return fcf_inuse;
183 192
184 rdata = rport->dd_data; 193 rdata = rport->dd_data;
185 name = (uint8_t *) &ndlp->nlp_portname; 194 name = (uint8_t *) &ndlp->nlp_portname;
186 vport = ndlp->vport; 195 vport = ndlp->vport;
187 phba = vport->phba; 196 phba = vport->phba;
188 197
198 if (phba->sli_rev == LPFC_SLI_REV4)
199 fcf_inuse = lpfc_fcf_inuse(phba);
200
189 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, 201 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
190 "rport devlosstmo:did:x%x type:x%x id:x%x", 202 "rport devlosstmo:did:x%x type:x%x id:x%x",
191 ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); 203 ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id);
@@ -209,7 +221,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
209 lpfc_nlp_put(ndlp); 221 lpfc_nlp_put(ndlp);
210 if (put_rport) 222 if (put_rport)
211 put_device(&rport->dev); 223 put_device(&rport->dev);
212 return; 224 return fcf_inuse;
213 } 225 }
214 226
215 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { 227 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
@@ -220,7 +232,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
220 *name, *(name+1), *(name+2), *(name+3), 232 *name, *(name+1), *(name+2), *(name+3),
221 *(name+4), *(name+5), *(name+6), *(name+7), 233 *(name+4), *(name+5), *(name+6), *(name+7),
222 ndlp->nlp_DID); 234 ndlp->nlp_DID);
223 return; 235 return fcf_inuse;
224 } 236 }
225 237
226 if (ndlp->nlp_type & NLP_FABRIC) { 238 if (ndlp->nlp_type & NLP_FABRIC) {
@@ -233,7 +245,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
233 lpfc_nlp_put(ndlp); 245 lpfc_nlp_put(ndlp);
234 if (put_rport) 246 if (put_rport)
235 put_device(&rport->dev); 247 put_device(&rport->dev);
236 return; 248 return fcf_inuse;
237 } 249 }
238 250
239 if (ndlp->nlp_sid != NLP_NO_SID) { 251 if (ndlp->nlp_sid != NLP_NO_SID) {
@@ -280,6 +292,74 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
280 (ndlp->nlp_state != NLP_STE_PRLI_ISSUE)) 292 (ndlp->nlp_state != NLP_STE_PRLI_ISSUE))
281 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); 293 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
282 294
295 return fcf_inuse;
296}
297
298/**
299 * lpfc_sli4_post_dev_loss_tmo_handler - SLI4 post devloss timeout handler
300 * @phba: Pointer to hba context object.
301 * @fcf_inuse: SLI4 FCF in-use state reported from devloss timeout handler.
302 * @nlp_did: remote node identifer with devloss timeout.
303 *
304 * This function is called from the worker thread after invoking devloss
305 * timeout handler and releasing the reference count for the ndlp with
306 * which the devloss timeout was handled for SLI4 host. For the devloss
307 * timeout of the last remote node which had been in use of FCF, when this
308 * routine is invoked, it shall be guaranteed that none of the remote are
309 * in-use of FCF. When devloss timeout to the last remote using the FCF,
310 * if the FIP engine is neither in FCF table scan process nor roundrobin
311 * failover process, the in-use FCF shall be unregistered. If the FIP
312 * engine is in FCF discovery process, the devloss timeout state shall
313 * be set for either the FCF table scan process or roundrobin failover
314 * process to unregister the in-use FCF.
315 **/
316static void
317lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba *phba, int fcf_inuse,
318 uint32_t nlp_did)
319{
320 /* If devloss timeout happened to a remote node when FCF had no
321 * longer been in-use, do nothing.
322 */
323 if (!fcf_inuse)
324 return;
325
326 if ((phba->hba_flag & HBA_FIP_SUPPORT) && !lpfc_fcf_inuse(phba)) {
327 spin_lock_irq(&phba->hbalock);
328 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
329 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
330 spin_unlock_irq(&phba->hbalock);
331 return;
332 }
333 phba->hba_flag |= HBA_DEVLOSS_TMO;
334 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
335 "2847 Last remote node (x%x) using "
336 "FCF devloss tmo\n", nlp_did);
337 }
338 if (phba->fcf.fcf_flag & FCF_REDISC_PROG) {
339 spin_unlock_irq(&phba->hbalock);
340 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
341 "2868 Devloss tmo to FCF rediscovery "
342 "in progress\n");
343 return;
344 }
345 if (!(phba->hba_flag & (FCF_TS_INPROG | FCF_RR_INPROG))) {
346 spin_unlock_irq(&phba->hbalock);
347 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
348 "2869 Devloss tmo to idle FIP engine, "
349 "unreg in-use FCF and rescan.\n");
350 /* Unregister in-use FCF and rescan */
351 lpfc_unregister_fcf_rescan(phba);
352 return;
353 }
354 spin_unlock_irq(&phba->hbalock);
355 if (phba->hba_flag & FCF_TS_INPROG)
356 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
357 "2870 FCF table scan in progress\n");
358 if (phba->hba_flag & FCF_RR_INPROG)
359 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
360 "2871 FLOGI roundrobin FCF failover "
361 "in progress\n");
362 }
283 lpfc_unregister_unused_fcf(phba); 363 lpfc_unregister_unused_fcf(phba);
284} 364}
285 365
@@ -408,6 +488,8 @@ lpfc_work_list_done(struct lpfc_hba *phba)
408 struct lpfc_work_evt *evtp = NULL; 488 struct lpfc_work_evt *evtp = NULL;
409 struct lpfc_nodelist *ndlp; 489 struct lpfc_nodelist *ndlp;
410 int free_evt; 490 int free_evt;
491 int fcf_inuse;
492 uint32_t nlp_did;
411 493
412 spin_lock_irq(&phba->hbalock); 494 spin_lock_irq(&phba->hbalock);
413 while (!list_empty(&phba->work_list)) { 495 while (!list_empty(&phba->work_list)) {
@@ -427,12 +509,17 @@ lpfc_work_list_done(struct lpfc_hba *phba)
427 break; 509 break;
428 case LPFC_EVT_DEV_LOSS: 510 case LPFC_EVT_DEV_LOSS:
429 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); 511 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
430 lpfc_dev_loss_tmo_handler(ndlp); 512 fcf_inuse = lpfc_dev_loss_tmo_handler(ndlp);
431 free_evt = 0; 513 free_evt = 0;
432 /* decrement the node reference count held for 514 /* decrement the node reference count held for
433 * this queued work 515 * this queued work
434 */ 516 */
517 nlp_did = ndlp->nlp_DID;
435 lpfc_nlp_put(ndlp); 518 lpfc_nlp_put(ndlp);
519 if (phba->sli_rev == LPFC_SLI_REV4)
520 lpfc_sli4_post_dev_loss_tmo_handler(phba,
521 fcf_inuse,
522 nlp_did);
436 break; 523 break;
437 case LPFC_EVT_ONLINE: 524 case LPFC_EVT_ONLINE:
438 if (phba->link_state < LPFC_LINK_DOWN) 525 if (phba->link_state < LPFC_LINK_DOWN)
@@ -1021,8 +1108,7 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1021 "2017 REG_FCFI mbxStatus error x%x " 1108 "2017 REG_FCFI mbxStatus error x%x "
1022 "HBA state x%x\n", 1109 "HBA state x%x\n",
1023 mboxq->u.mb.mbxStatus, vport->port_state); 1110 mboxq->u.mb.mbxStatus, vport->port_state);
1024 mempool_free(mboxq, phba->mbox_mem_pool); 1111 goto fail_out;
1025 return;
1026 } 1112 }
1027 1113
1028 /* Start FCoE discovery by sending a FLOGI. */ 1114 /* Start FCoE discovery by sending a FLOGI. */
@@ -1031,20 +1117,30 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1031 spin_lock_irq(&phba->hbalock); 1117 spin_lock_irq(&phba->hbalock);
1032 phba->fcf.fcf_flag |= FCF_REGISTERED; 1118 phba->fcf.fcf_flag |= FCF_REGISTERED;
1033 spin_unlock_irq(&phba->hbalock); 1119 spin_unlock_irq(&phba->hbalock);
1120
1034 /* If there is a pending FCoE event, restart FCF table scan. */ 1121 /* If there is a pending FCoE event, restart FCF table scan. */
1035 if (lpfc_check_pending_fcoe_event(phba, 1)) { 1122 if (lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF))
1036 mempool_free(mboxq, phba->mbox_mem_pool); 1123 goto fail_out;
1037 return; 1124
1038 } 1125 /* Mark successful completion of FCF table scan */
1039 spin_lock_irq(&phba->hbalock); 1126 spin_lock_irq(&phba->hbalock);
1040 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); 1127 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
1041 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 1128 phba->hba_flag &= ~FCF_TS_INPROG;
1042 spin_unlock_irq(&phba->hbalock); 1129 if (vport->port_state != LPFC_FLOGI) {
1043 if (vport->port_state != LPFC_FLOGI) 1130 phba->hba_flag |= FCF_RR_INPROG;
1131 spin_unlock_irq(&phba->hbalock);
1044 lpfc_initial_flogi(vport); 1132 lpfc_initial_flogi(vport);
1133 goto out;
1134 }
1135 spin_unlock_irq(&phba->hbalock);
1136 goto out;
1045 1137
1138fail_out:
1139 spin_lock_irq(&phba->hbalock);
1140 phba->hba_flag &= ~FCF_RR_INPROG;
1141 spin_unlock_irq(&phba->hbalock);
1142out:
1046 mempool_free(mboxq, phba->mbox_mem_pool); 1143 mempool_free(mboxq, phba->mbox_mem_pool);
1047 return;
1048} 1144}
1049 1145
1050/** 1146/**
@@ -1241,10 +1337,9 @@ lpfc_register_fcf(struct lpfc_hba *phba)
1241 int rc; 1337 int rc;
1242 1338
1243 spin_lock_irq(&phba->hbalock); 1339 spin_lock_irq(&phba->hbalock);
1244
1245 /* If the FCF is not availabe do nothing. */ 1340 /* If the FCF is not availabe do nothing. */
1246 if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { 1341 if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) {
1247 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 1342 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1248 spin_unlock_irq(&phba->hbalock); 1343 spin_unlock_irq(&phba->hbalock);
1249 return; 1344 return;
1250 } 1345 }
@@ -1252,19 +1347,22 @@ lpfc_register_fcf(struct lpfc_hba *phba)
1252 /* The FCF is already registered, start discovery */ 1347 /* The FCF is already registered, start discovery */
1253 if (phba->fcf.fcf_flag & FCF_REGISTERED) { 1348 if (phba->fcf.fcf_flag & FCF_REGISTERED) {
1254 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); 1349 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
1255 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 1350 phba->hba_flag &= ~FCF_TS_INPROG;
1256 spin_unlock_irq(&phba->hbalock); 1351 if (phba->pport->port_state != LPFC_FLOGI) {
1257 if (phba->pport->port_state != LPFC_FLOGI) 1352 phba->hba_flag |= FCF_RR_INPROG;
1353 spin_unlock_irq(&phba->hbalock);
1258 lpfc_initial_flogi(phba->pport); 1354 lpfc_initial_flogi(phba->pport);
1355 return;
1356 }
1357 spin_unlock_irq(&phba->hbalock);
1259 return; 1358 return;
1260 } 1359 }
1261 spin_unlock_irq(&phba->hbalock); 1360 spin_unlock_irq(&phba->hbalock);
1262 1361
1263 fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, 1362 fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1264 GFP_KERNEL);
1265 if (!fcf_mbxq) { 1363 if (!fcf_mbxq) {
1266 spin_lock_irq(&phba->hbalock); 1364 spin_lock_irq(&phba->hbalock);
1267 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 1365 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1268 spin_unlock_irq(&phba->hbalock); 1366 spin_unlock_irq(&phba->hbalock);
1269 return; 1367 return;
1270 } 1368 }
@@ -1275,7 +1373,7 @@ lpfc_register_fcf(struct lpfc_hba *phba)
1275 rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); 1373 rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT);
1276 if (rc == MBX_NOT_FINISHED) { 1374 if (rc == MBX_NOT_FINISHED) {
1277 spin_lock_irq(&phba->hbalock); 1375 spin_lock_irq(&phba->hbalock);
1278 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 1376 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1279 spin_unlock_irq(&phba->hbalock); 1377 spin_unlock_irq(&phba->hbalock);
1280 mempool_free(fcf_mbxq, phba->mbox_mem_pool); 1378 mempool_free(fcf_mbxq, phba->mbox_mem_pool);
1281 } 1379 }
@@ -1493,7 +1591,7 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
1493 * FCF discovery, no need to restart FCF discovery. 1591 * FCF discovery, no need to restart FCF discovery.
1494 */ 1592 */
1495 if ((phba->link_state >= LPFC_LINK_UP) && 1593 if ((phba->link_state >= LPFC_LINK_UP) &&
1496 (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) 1594 (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
1497 return 0; 1595 return 0;
1498 1596
1499 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 1597 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
@@ -1517,14 +1615,14 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
1517 lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); 1615 lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
1518 } else { 1616 } else {
1519 /* 1617 /*
1520 * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS 1618 * Do not continue FCF discovery and clear FCF_TS_INPROG
1521 * flag 1619 * flag
1522 */ 1620 */
1523 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, 1621 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
1524 "2833 Stop FCF discovery process due to link " 1622 "2833 Stop FCF discovery process due to link "
1525 "state change (x%x)\n", phba->link_state); 1623 "state change (x%x)\n", phba->link_state);
1526 spin_lock_irq(&phba->hbalock); 1624 spin_lock_irq(&phba->hbalock);
1527 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 1625 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1528 phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); 1626 phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY);
1529 spin_unlock_irq(&phba->hbalock); 1627 spin_unlock_irq(&phba->hbalock);
1530 } 1628 }
@@ -1729,6 +1827,65 @@ lpfc_sli4_fcf_record_match(struct lpfc_hba *phba,
1729} 1827}
1730 1828
1731/** 1829/**
1830 * lpfc_sli4_fcf_rr_next_proc - processing next roundrobin fcf
1831 * @vport: Pointer to vport object.
1832 * @fcf_index: index to next fcf.
1833 *
1834 * This function processing the roundrobin fcf failover to next fcf index.
1835 * When this function is invoked, there will be a current fcf registered
1836 * for flogi.
1837 * Return: 0 for continue retrying flogi on currently registered fcf;
1838 * 1 for stop flogi on currently registered fcf;
1839 */
1840int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index)
1841{
1842 struct lpfc_hba *phba = vport->phba;
1843 int rc;
1844
1845 if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
1846 spin_lock_irq(&phba->hbalock);
1847 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
1848 spin_unlock_irq(&phba->hbalock);
1849 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1850 "2872 Devloss tmo with no eligible "
1851 "FCF, unregister in-use FCF (x%x) "
1852 "and rescan FCF table\n",
1853 phba->fcf.current_rec.fcf_indx);
1854 lpfc_unregister_fcf_rescan(phba);
1855 goto stop_flogi_current_fcf;
1856 }
1857 /* Mark the end to FLOGI roundrobin failover */
1858 phba->hba_flag &= ~FCF_RR_INPROG;
1859 /* Allow action to new fcf asynchronous event */
1860 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
1861 spin_unlock_irq(&phba->hbalock);
1862 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1863 "2865 No FCF available, stop roundrobin FCF "
1864 "failover and change port state:x%x/x%x\n",
1865 phba->pport->port_state, LPFC_VPORT_UNKNOWN);
1866 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
1867 goto stop_flogi_current_fcf;
1868 } else {
1869 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS,
1870 "2794 Try FLOGI roundrobin FCF failover to "
1871 "(x%x)\n", fcf_index);
1872 rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index);
1873 if (rc)
1874 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
1875 "2761 FLOGI roundrobin FCF failover "
1876 "failed (rc:x%x) to read FCF (x%x)\n",
1877 rc, phba->fcf.current_rec.fcf_indx);
1878 else
1879 goto stop_flogi_current_fcf;
1880 }
1881 return 0;
1882
1883stop_flogi_current_fcf:
1884 lpfc_can_disctmo(vport);
1885 return 1;
1886}
1887
1888/**
1732 * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. 1889 * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler.
1733 * @phba: pointer to lpfc hba data structure. 1890 * @phba: pointer to lpfc hba data structure.
1734 * @mboxq: pointer to mailbox object. 1891 * @mboxq: pointer to mailbox object.
@@ -1756,7 +1913,7 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1756 int rc; 1913 int rc;
1757 1914
1758 /* If there is pending FCoE event restart FCF table scan */ 1915 /* If there is pending FCoE event restart FCF table scan */
1759 if (lpfc_check_pending_fcoe_event(phba, 0)) { 1916 if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) {
1760 lpfc_sli4_mbox_cmd_free(phba, mboxq); 1917 lpfc_sli4_mbox_cmd_free(phba, mboxq);
1761 return; 1918 return;
1762 } 1919 }
@@ -1765,12 +1922,12 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1765 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, 1922 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
1766 &next_fcf_index); 1923 &next_fcf_index);
1767 if (!new_fcf_record) { 1924 if (!new_fcf_record) {
1768 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, 1925 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
1769 "2765 Mailbox command READ_FCF_RECORD " 1926 "2765 Mailbox command READ_FCF_RECORD "
1770 "failed to retrieve a FCF record.\n"); 1927 "failed to retrieve a FCF record.\n");
1771 /* Let next new FCF event trigger fast failover */ 1928 /* Let next new FCF event trigger fast failover */
1772 spin_lock_irq(&phba->hbalock); 1929 spin_lock_irq(&phba->hbalock);
1773 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 1930 phba->hba_flag &= ~FCF_TS_INPROG;
1774 spin_unlock_irq(&phba->hbalock); 1931 spin_unlock_irq(&phba->hbalock);
1775 lpfc_sli4_mbox_cmd_free(phba, mboxq); 1932 lpfc_sli4_mbox_cmd_free(phba, mboxq);
1776 return; 1933 return;
@@ -1787,13 +1944,12 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1787 /* 1944 /*
1788 * If the fcf record does not match with connect list entries 1945 * If the fcf record does not match with connect list entries
1789 * read the next entry; otherwise, this is an eligible FCF 1946 * read the next entry; otherwise, this is an eligible FCF
1790 * record for round robin FCF failover. 1947 * record for roundrobin FCF failover.
1791 */ 1948 */
1792 if (!rc) { 1949 if (!rc) {
1793 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, 1950 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
1794 "2781 FCF record (x%x) failed FCF " 1951 "2781 FCF (x%x) failed connection "
1795 "connection list check, fcf_avail:x%x, " 1952 "list check: (x%x/x%x)\n",
1796 "fcf_valid:x%x\n",
1797 bf_get(lpfc_fcf_record_fcf_index, 1953 bf_get(lpfc_fcf_record_fcf_index,
1798 new_fcf_record), 1954 new_fcf_record),
1799 bf_get(lpfc_fcf_record_fcf_avail, 1955 bf_get(lpfc_fcf_record_fcf_avail,
@@ -1823,9 +1979,8 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1823 !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { 1979 !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
1824 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, 1980 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
1825 "2835 Invalid in-use FCF " 1981 "2835 Invalid in-use FCF "
1826 "record (x%x) reported, " 1982 "(x%x), enter FCF failover "
1827 "entering fast FCF failover " 1983 "table scan.\n",
1828 "mode scanning.\n",
1829 phba->fcf.current_rec.fcf_indx); 1984 phba->fcf.current_rec.fcf_indx);
1830 spin_lock_irq(&phba->hbalock); 1985 spin_lock_irq(&phba->hbalock);
1831 phba->fcf.fcf_flag |= FCF_REDISC_FOV; 1986 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
@@ -1970,8 +2125,8 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1970 */ 2125 */
1971 if (fcf_rec) { 2126 if (fcf_rec) {
1972 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 2127 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1973 "2840 Update current FCF record " 2128 "2840 Update initial FCF candidate "
1974 "with initial FCF record (x%x)\n", 2129 "with FCF (x%x)\n",
1975 bf_get(lpfc_fcf_record_fcf_index, 2130 bf_get(lpfc_fcf_record_fcf_index,
1976 new_fcf_record)); 2131 new_fcf_record));
1977 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, 2132 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
@@ -2001,20 +2156,28 @@ read_next_fcf:
2001 */ 2156 */
2002 if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { 2157 if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) {
2003 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, 2158 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2004 "2782 No suitable FCF record " 2159 "2782 No suitable FCF found: "
2005 "found during this round of " 2160 "(x%x/x%x)\n",
2006 "post FCF rediscovery scan: "
2007 "fcf_evt_tag:x%x, fcf_index: "
2008 "x%x\n",
2009 phba->fcoe_eventtag_at_fcf_scan, 2161 phba->fcoe_eventtag_at_fcf_scan,
2010 bf_get(lpfc_fcf_record_fcf_index, 2162 bf_get(lpfc_fcf_record_fcf_index,
2011 new_fcf_record)); 2163 new_fcf_record));
2164 spin_lock_irq(&phba->hbalock);
2165 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
2166 phba->hba_flag &= ~FCF_TS_INPROG;
2167 spin_unlock_irq(&phba->hbalock);
2168 /* Unregister in-use FCF and rescan */
2169 lpfc_printf_log(phba, KERN_INFO,
2170 LOG_FIP,
2171 "2864 On devloss tmo "
2172 "unreg in-use FCF and "
2173 "rescan FCF table\n");
2174 lpfc_unregister_fcf_rescan(phba);
2175 return;
2176 }
2012 /* 2177 /*
2013 * Let next new FCF event trigger fast 2178 * Let next new FCF event trigger fast failover
2014 * failover
2015 */ 2179 */
2016 spin_lock_irq(&phba->hbalock); 2180 phba->hba_flag &= ~FCF_TS_INPROG;
2017 phba->hba_flag &= ~FCF_DISC_INPROGRESS;
2018 spin_unlock_irq(&phba->hbalock); 2181 spin_unlock_irq(&phba->hbalock);
2019 return; 2182 return;
2020 } 2183 }
@@ -2032,9 +2195,8 @@ read_next_fcf:
2032 2195
2033 /* Replace in-use record with the new record */ 2196 /* Replace in-use record with the new record */
2034 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 2197 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2035 "2842 Replace the current in-use " 2198 "2842 Replace in-use FCF (x%x) "
2036 "FCF record (x%x) with failover FCF " 2199 "with failover FCF (x%x)\n",
2037 "record (x%x)\n",
2038 phba->fcf.current_rec.fcf_indx, 2200 phba->fcf.current_rec.fcf_indx,
2039 phba->fcf.failover_rec.fcf_indx); 2201 phba->fcf.failover_rec.fcf_indx);
2040 memcpy(&phba->fcf.current_rec, 2202 memcpy(&phba->fcf.current_rec,
@@ -2046,15 +2208,8 @@ read_next_fcf:
2046 * FCF failover. 2208 * FCF failover.
2047 */ 2209 */
2048 spin_lock_irq(&phba->hbalock); 2210 spin_lock_irq(&phba->hbalock);
2049 phba->fcf.fcf_flag &= 2211 phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
2050 ~(FCF_REDISC_FOV | FCF_REDISC_RRU);
2051 spin_unlock_irq(&phba->hbalock); 2212 spin_unlock_irq(&phba->hbalock);
2052 /*
2053 * Set up the initial registered FCF index for FLOGI
2054 * round robin FCF failover.
2055 */
2056 phba->fcf.fcf_rr_init_indx =
2057 phba->fcf.failover_rec.fcf_indx;
2058 /* Register to the new FCF record */ 2213 /* Register to the new FCF record */
2059 lpfc_register_fcf(phba); 2214 lpfc_register_fcf(phba);
2060 } else { 2215 } else {
@@ -2101,11 +2256,11 @@ out:
2101} 2256}
2102 2257
2103/** 2258/**
2104 * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler 2259 * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf roundrobin read_fcf mbox cmpl hdler
2105 * @phba: pointer to lpfc hba data structure. 2260 * @phba: pointer to lpfc hba data structure.
2106 * @mboxq: pointer to mailbox object. 2261 * @mboxq: pointer to mailbox object.
2107 * 2262 *
2108 * This is the callback function for FLOGI failure round robin FCF failover 2263 * This is the callback function for FLOGI failure roundrobin FCF failover
2109 * read FCF record mailbox command from the eligible FCF record bmask for 2264 * read FCF record mailbox command from the eligible FCF record bmask for
2110 * performing the failover. If the FCF read back is not valid/available, it 2265 * performing the failover. If the FCF read back is not valid/available, it
2111 * fails through to retrying FLOGI to the currently registered FCF again. 2266 * fails through to retrying FLOGI to the currently registered FCF again.
@@ -2120,17 +2275,18 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2120{ 2275{
2121 struct fcf_record *new_fcf_record; 2276 struct fcf_record *new_fcf_record;
2122 uint32_t boot_flag, addr_mode; 2277 uint32_t boot_flag, addr_mode;
2123 uint16_t next_fcf_index; 2278 uint16_t next_fcf_index, fcf_index;
2124 uint16_t current_fcf_index; 2279 uint16_t current_fcf_index;
2125 uint16_t vlan_id; 2280 uint16_t vlan_id;
2281 int rc;
2126 2282
2127 /* If link state is not up, stop the round robin failover process */ 2283 /* If link state is not up, stop the roundrobin failover process */
2128 if (phba->link_state < LPFC_LINK_UP) { 2284 if (phba->link_state < LPFC_LINK_UP) {
2129 spin_lock_irq(&phba->hbalock); 2285 spin_lock_irq(&phba->hbalock);
2130 phba->fcf.fcf_flag &= ~FCF_DISCOVERY; 2286 phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
2287 phba->hba_flag &= ~FCF_RR_INPROG;
2131 spin_unlock_irq(&phba->hbalock); 2288 spin_unlock_irq(&phba->hbalock);
2132 lpfc_sli4_mbox_cmd_free(phba, mboxq); 2289 goto out;
2133 return;
2134 } 2290 }
2135 2291
2136 /* Parse the FCF record from the non-embedded mailbox command */ 2292 /* Parse the FCF record from the non-embedded mailbox command */
@@ -2140,23 +2296,47 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2140 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, 2296 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2141 "2766 Mailbox command READ_FCF_RECORD " 2297 "2766 Mailbox command READ_FCF_RECORD "
2142 "failed to retrieve a FCF record.\n"); 2298 "failed to retrieve a FCF record.\n");
2143 goto out; 2299 goto error_out;
2144 } 2300 }
2145 2301
2146 /* Get the needed parameters from FCF record */ 2302 /* Get the needed parameters from FCF record */
2147 lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, 2303 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
2148 &addr_mode, &vlan_id); 2304 &addr_mode, &vlan_id);
2149 2305
2150 /* Log the FCF record information if turned on */ 2306 /* Log the FCF record information if turned on */
2151 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, 2307 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
2152 next_fcf_index); 2308 next_fcf_index);
2153 2309
2310 fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
2311 if (!rc) {
2312 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2313 "2848 Remove ineligible FCF (x%x) from "
2314 "from roundrobin bmask\n", fcf_index);
2315 /* Clear roundrobin bmask bit for ineligible FCF */
2316 lpfc_sli4_fcf_rr_index_clear(phba, fcf_index);
2317 /* Perform next round of roundrobin FCF failover */
2318 fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
2319 rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index);
2320 if (rc)
2321 goto out;
2322 goto error_out;
2323 }
2324
2325 if (fcf_index == phba->fcf.current_rec.fcf_indx) {
2326 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2327 "2760 Perform FLOGI roundrobin FCF failover: "
2328 "FCF (x%x) back to FCF (x%x)\n",
2329 phba->fcf.current_rec.fcf_indx, fcf_index);
2330 /* Wait 500 ms before retrying FLOGI to current FCF */
2331 msleep(500);
2332 lpfc_initial_flogi(phba->pport);
2333 goto out;
2334 }
2335
2154 /* Upload new FCF record to the failover FCF record */ 2336 /* Upload new FCF record to the failover FCF record */
2155 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 2337 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2156 "2834 Update the current FCF record (x%x) " 2338 "2834 Update current FCF (x%x) with new FCF (x%x)\n",
2157 "with the next FCF record (x%x)\n", 2339 phba->fcf.failover_rec.fcf_indx, fcf_index);
2158 phba->fcf.failover_rec.fcf_indx,
2159 bf_get(lpfc_fcf_record_fcf_index, new_fcf_record));
2160 spin_lock_irq(&phba->hbalock); 2340 spin_lock_irq(&phba->hbalock);
2161 __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, 2341 __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec,
2162 new_fcf_record, addr_mode, vlan_id, 2342 new_fcf_record, addr_mode, vlan_id,
@@ -2173,14 +2353,13 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2173 sizeof(struct lpfc_fcf_rec)); 2353 sizeof(struct lpfc_fcf_rec));
2174 2354
2175 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 2355 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2176 "2783 FLOGI round robin FCF failover from FCF " 2356 "2783 Perform FLOGI roundrobin FCF failover: FCF "
2177 "(x%x) to FCF (x%x).\n", 2357 "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index);
2178 current_fcf_index,
2179 bf_get(lpfc_fcf_record_fcf_index, new_fcf_record));
2180 2358
2359error_out:
2360 lpfc_register_fcf(phba);
2181out: 2361out:
2182 lpfc_sli4_mbox_cmd_free(phba, mboxq); 2362 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2183 lpfc_register_fcf(phba);
2184} 2363}
2185 2364
2186/** 2365/**
@@ -2189,10 +2368,10 @@ out:
2189 * @mboxq: pointer to mailbox object. 2368 * @mboxq: pointer to mailbox object.
2190 * 2369 *
2191 * This is the callback function of read FCF record mailbox command for 2370 * This is the callback function of read FCF record mailbox command for
2192 * updating the eligible FCF bmask for FLOGI failure round robin FCF 2371 * updating the eligible FCF bmask for FLOGI failure roundrobin FCF
2193 * failover when a new FCF event happened. If the FCF read back is 2372 * failover when a new FCF event happened. If the FCF read back is
2194 * valid/available and it passes the connection list check, it updates 2373 * valid/available and it passes the connection list check, it updates
2195 * the bmask for the eligible FCF record for round robin failover. 2374 * the bmask for the eligible FCF record for roundrobin failover.
2196 */ 2375 */
2197void 2376void
2198lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 2377lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
@@ -2634,7 +2813,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
2634 * and get the FCF Table. 2813 * and get the FCF Table.
2635 */ 2814 */
2636 spin_lock_irq(&phba->hbalock); 2815 spin_lock_irq(&phba->hbalock);
2637 if (phba->hba_flag & FCF_DISC_INPROGRESS) { 2816 if (phba->hba_flag & FCF_TS_INPROG) {
2638 spin_unlock_irq(&phba->hbalock); 2817 spin_unlock_irq(&phba->hbalock);
2639 return; 2818 return;
2640 } 2819 }
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 9a2e2c792876..814d0b324d70 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2936,8 +2936,7 @@ lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
2936 phba->fcf.fcf_flag |= FCF_REDISC_EVT; 2936 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
2937 spin_unlock_irq(&phba->hbalock); 2937 spin_unlock_irq(&phba->hbalock);
2938 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 2938 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2939 "2776 FCF rediscover wait timer expired, post " 2939 "2776 FCF rediscover quiescent timer expired\n");
2940 "a worker thread event for FCF table scan\n");
2941 /* wake up worker thread */ 2940 /* wake up worker thread */
2942 lpfc_worker_wake_up(phba); 2941 lpfc_worker_wake_up(phba);
2943} 2942}
@@ -3312,35 +3311,34 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
3312 if (event_type == LPFC_FCOE_EVENT_TYPE_NEW_FCF) 3311 if (event_type == LPFC_FCOE_EVENT_TYPE_NEW_FCF)
3313 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | 3312 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
3314 LOG_DISCOVERY, 3313 LOG_DISCOVERY,
3315 "2546 New FCF found event: " 3314 "2546 New FCF event, evt_tag:x%x, "
3316 "evt_tag:x%x, fcf_index:x%x\n", 3315 "index:x%x\n",
3317 acqe_fcoe->event_tag, 3316 acqe_fcoe->event_tag,
3318 acqe_fcoe->index); 3317 acqe_fcoe->index);
3319 else 3318 else
3320 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | 3319 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
3321 LOG_DISCOVERY, 3320 LOG_DISCOVERY,
3322 "2788 FCF parameter modified event: " 3321 "2788 FCF param modified event, "
3323 "evt_tag:x%x, fcf_index:x%x\n", 3322 "evt_tag:x%x, index:x%x\n",
3324 acqe_fcoe->event_tag, 3323 acqe_fcoe->event_tag,
3325 acqe_fcoe->index); 3324 acqe_fcoe->index);
3326 if (phba->fcf.fcf_flag & FCF_DISCOVERY) { 3325 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
3327 /* 3326 /*
3328 * During period of FCF discovery, read the FCF 3327 * During period of FCF discovery, read the FCF
3329 * table record indexed by the event to update 3328 * table record indexed by the event to update
3330 * FCF round robin failover eligible FCF bmask. 3329 * FCF roundrobin failover eligible FCF bmask.
3331 */ 3330 */
3332 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | 3331 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
3333 LOG_DISCOVERY, 3332 LOG_DISCOVERY,
3334 "2779 Read new FCF record with " 3333 "2779 Read FCF (x%x) for updating "
3335 "fcf_index:x%x for updating FCF " 3334 "roundrobin FCF failover bmask\n",
3336 "round robin failover bmask\n",
3337 acqe_fcoe->index); 3335 acqe_fcoe->index);
3338 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index); 3336 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index);
3339 } 3337 }
3340 3338
3341 /* If the FCF discovery is in progress, do nothing. */ 3339 /* If the FCF discovery is in progress, do nothing. */
3342 spin_lock_irq(&phba->hbalock); 3340 spin_lock_irq(&phba->hbalock);
3343 if (phba->hba_flag & FCF_DISC_INPROGRESS) { 3341 if (phba->hba_flag & FCF_TS_INPROG) {
3344 spin_unlock_irq(&phba->hbalock); 3342 spin_unlock_irq(&phba->hbalock);
3345 break; 3343 break;
3346 } 3344 }
@@ -3359,15 +3357,15 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
3359 3357
3360 /* Otherwise, scan the entire FCF table and re-discover SAN */ 3358 /* Otherwise, scan the entire FCF table and re-discover SAN */
3361 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, 3359 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
3362 "2770 Start FCF table scan due to new FCF " 3360 "2770 Start FCF table scan per async FCF "
3363 "event: evt_tag:x%x, fcf_index:x%x\n", 3361 "event, evt_tag:x%x, index:x%x\n",
3364 acqe_fcoe->event_tag, acqe_fcoe->index); 3362 acqe_fcoe->event_tag, acqe_fcoe->index);
3365 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, 3363 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
3366 LPFC_FCOE_FCF_GET_FIRST); 3364 LPFC_FCOE_FCF_GET_FIRST);
3367 if (rc) 3365 if (rc)
3368 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, 3366 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
3369 "2547 Issue FCF scan read FCF mailbox " 3367 "2547 Issue FCF scan read FCF mailbox "
3370 "command failed 0x%x\n", rc); 3368 "command failed (x%x)\n", rc);
3371 break; 3369 break;
3372 3370
3373 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL: 3371 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
@@ -3379,9 +3377,8 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
3379 3377
3380 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD: 3378 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
3381 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, 3379 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
3382 "2549 FCF disconnected from network index 0x%x" 3380 "2549 FCF (x%x) disconnected from network, "
3383 " tag 0x%x\n", acqe_fcoe->index, 3381 "tag:x%x\n", acqe_fcoe->index, acqe_fcoe->event_tag);
3384 acqe_fcoe->event_tag);
3385 /* 3382 /*
3386 * If we are in the middle of FCF failover process, clear 3383 * If we are in the middle of FCF failover process, clear
3387 * the corresponding FCF bit in the roundrobin bitmap. 3384 * the corresponding FCF bit in the roundrobin bitmap.
@@ -3495,9 +3492,8 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
3495 spin_unlock_irq(&phba->hbalock); 3492 spin_unlock_irq(&phba->hbalock);
3496 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | 3493 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
3497 LOG_DISCOVERY, 3494 LOG_DISCOVERY,
3498 "2773 Start FCF fast failover due " 3495 "2773 Start FCF failover per CVL, "
3499 "to CVL event: evt_tag:x%x\n", 3496 "evt_tag:x%x\n", acqe_fcoe->event_tag);
3500 acqe_fcoe->event_tag);
3501 rc = lpfc_sli4_redisc_fcf_table(phba); 3497 rc = lpfc_sli4_redisc_fcf_table(phba);
3502 if (rc) { 3498 if (rc) {
3503 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | 3499 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
@@ -3647,8 +3643,7 @@ void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
3647 3643
3648 /* Scan FCF table from the first entry to re-discover SAN */ 3644 /* Scan FCF table from the first entry to re-discover SAN */
3649 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, 3645 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
3650 "2777 Start FCF table scan after FCF " 3646 "2777 Start post-quiescent FCF table scan\n");
3651 "rediscovery quiescent period over\n");
3652 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); 3647 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
3653 if (rc) 3648 if (rc)
3654 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, 3649 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
@@ -4166,7 +4161,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
4166 goto out_free_active_sgl; 4161 goto out_free_active_sgl;
4167 } 4162 }
4168 4163
4169 /* Allocate eligible FCF bmask memory for FCF round robin failover */ 4164 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
4170 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; 4165 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
4171 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), 4166 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
4172 GFP_KERNEL); 4167 GFP_KERNEL);
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 0d1e187b005d..9d2e1347cb1d 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -5921,7 +5921,7 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
5921 * lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution 5921 * lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution
5922 * @phba: Pointer to HBA context object. 5922 * @phba: Pointer to HBA context object.
5923 * 5923 *
5924 * This routine performs a round robin SCSI command to SLI4 FCP WQ index 5924 * This routine performs a roundrobin SCSI command to SLI4 FCP WQ index
5925 * distribution. This is called by __lpfc_sli_issue_iocb_s4() with the hbalock 5925 * distribution. This is called by __lpfc_sli_issue_iocb_s4() with the hbalock
5926 * held. 5926 * held.
5927 * 5927 *
@@ -12242,13 +12242,15 @@ lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
12242 /* Issue the mailbox command asynchronously */ 12242 /* Issue the mailbox command asynchronously */
12243 mboxq->vport = phba->pport; 12243 mboxq->vport = phba->pport;
12244 mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; 12244 mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec;
12245
12246 spin_lock_irq(&phba->hbalock);
12247 phba->hba_flag |= FCF_TS_INPROG;
12248 spin_unlock_irq(&phba->hbalock);
12249
12245 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); 12250 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
12246 if (rc == MBX_NOT_FINISHED) 12251 if (rc == MBX_NOT_FINISHED)
12247 error = -EIO; 12252 error = -EIO;
12248 else { 12253 else {
12249 spin_lock_irq(&phba->hbalock);
12250 phba->hba_flag |= FCF_DISC_INPROGRESS;
12251 spin_unlock_irq(&phba->hbalock);
12252 /* Reset eligible FCF count for new scan */ 12254 /* Reset eligible FCF count for new scan */
12253 if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) 12255 if (fcf_index == LPFC_FCOE_FCF_GET_FIRST)
12254 phba->fcf.eligible_fcf_cnt = 0; 12256 phba->fcf.eligible_fcf_cnt = 0;
@@ -12258,21 +12260,21 @@ fail_fcf_scan:
12258 if (error) { 12260 if (error) {
12259 if (mboxq) 12261 if (mboxq)
12260 lpfc_sli4_mbox_cmd_free(phba, mboxq); 12262 lpfc_sli4_mbox_cmd_free(phba, mboxq);
12261 /* FCF scan failed, clear FCF_DISC_INPROGRESS flag */ 12263 /* FCF scan failed, clear FCF_TS_INPROG flag */
12262 spin_lock_irq(&phba->hbalock); 12264 spin_lock_irq(&phba->hbalock);
12263 phba->hba_flag &= ~FCF_DISC_INPROGRESS; 12265 phba->hba_flag &= ~FCF_TS_INPROG;
12264 spin_unlock_irq(&phba->hbalock); 12266 spin_unlock_irq(&phba->hbalock);
12265 } 12267 }
12266 return error; 12268 return error;
12267} 12269}
12268 12270
12269/** 12271/**
12270 * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for round robin fcf. 12272 * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf.
12271 * @phba: pointer to lpfc hba data structure. 12273 * @phba: pointer to lpfc hba data structure.
12272 * @fcf_index: FCF table entry offset. 12274 * @fcf_index: FCF table entry offset.
12273 * 12275 *
12274 * This routine is invoked to read an FCF record indicated by @fcf_index 12276 * This routine is invoked to read an FCF record indicated by @fcf_index
12275 * and to use it for FLOGI round robin FCF failover. 12277 * and to use it for FLOGI roundrobin FCF failover.
12276 * 12278 *
12277 * Return 0 if the mailbox command is submitted sucessfully, none 0 12279 * Return 0 if the mailbox command is submitted sucessfully, none 0
12278 * otherwise. 12280 * otherwise.
@@ -12318,7 +12320,7 @@ fail_fcf_read:
12318 * @fcf_index: FCF table entry offset. 12320 * @fcf_index: FCF table entry offset.
12319 * 12321 *
12320 * This routine is invoked to read an FCF record indicated by @fcf_index to 12322 * This routine is invoked to read an FCF record indicated by @fcf_index to
12321 * determine whether it's eligible for FLOGI round robin failover list. 12323 * determine whether it's eligible for FLOGI roundrobin failover list.
12322 * 12324 *
12323 * Return 0 if the mailbox command is submitted sucessfully, none 0 12325 * Return 0 if the mailbox command is submitted sucessfully, none 0
12324 * otherwise. 12326 * otherwise.
@@ -12364,7 +12366,7 @@ fail_fcf_read:
12364 * 12366 *
12365 * This routine is to get the next eligible FCF record index in a round 12367 * This routine is to get the next eligible FCF record index in a round
12366 * robin fashion. If the next eligible FCF record index equals to the 12368 * robin fashion. If the next eligible FCF record index equals to the
12367 * initial round robin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) 12369 * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
12368 * shall be returned, otherwise, the next eligible FCF record's index 12370 * shall be returned, otherwise, the next eligible FCF record's index
12369 * shall be returned. 12371 * shall be returned.
12370 **/ 12372 **/
@@ -12392,28 +12394,10 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
12392 return LPFC_FCOE_FCF_NEXT_NONE; 12394 return LPFC_FCOE_FCF_NEXT_NONE;
12393 } 12395 }
12394 12396
12395 /* Check roundrobin failover index bmask stop condition */
12396 if (next_fcf_index == phba->fcf.fcf_rr_init_indx) {
12397 if (!(phba->fcf.fcf_flag & FCF_REDISC_RRU)) {
12398 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
12399 "2847 Round robin failover FCF index "
12400 "search hit stop condition:x%x\n",
12401 next_fcf_index);
12402 return LPFC_FCOE_FCF_NEXT_NONE;
12403 }
12404 /* The roundrobin failover index bmask updated, start over */
12405 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
12406 "2848 Round robin failover FCF index bmask "
12407 "updated, start over\n");
12408 spin_lock_irq(&phba->hbalock);
12409 phba->fcf.fcf_flag &= ~FCF_REDISC_RRU;
12410 spin_unlock_irq(&phba->hbalock);
12411 return phba->fcf.fcf_rr_init_indx;
12412 }
12413
12414 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 12397 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
12415 "2845 Get next round robin failover " 12398 "2845 Get next roundrobin failover FCF (x%x)\n",
12416 "FCF index x%x\n", next_fcf_index); 12399 next_fcf_index);
12400
12417 return next_fcf_index; 12401 return next_fcf_index;
12418} 12402}
12419 12403
@@ -12422,7 +12406,7 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
12422 * @phba: pointer to lpfc hba data structure. 12406 * @phba: pointer to lpfc hba data structure.
12423 * 12407 *
12424 * This routine sets the FCF record index in to the eligible bmask for 12408 * This routine sets the FCF record index in to the eligible bmask for
12425 * round robin failover search. It checks to make sure that the index 12409 * roundrobin failover search. It checks to make sure that the index
12426 * does not go beyond the range of the driver allocated bmask dimension 12410 * does not go beyond the range of the driver allocated bmask dimension
12427 * before setting the bit. 12411 * before setting the bit.
12428 * 12412 *
@@ -12434,22 +12418,16 @@ lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index)
12434{ 12418{
12435 if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { 12419 if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
12436 lpfc_printf_log(phba, KERN_ERR, LOG_FIP, 12420 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
12437 "2610 HBA FCF index reached driver's " 12421 "2610 FCF (x%x) reached driver's book "
12438 "book keeping dimension: fcf_index:%d, " 12422 "keeping dimension:x%x\n",
12439 "driver_bmask_max:%d\n",
12440 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); 12423 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
12441 return -EINVAL; 12424 return -EINVAL;
12442 } 12425 }
12443 /* Set the eligible FCF record index bmask */ 12426 /* Set the eligible FCF record index bmask */
12444 set_bit(fcf_index, phba->fcf.fcf_rr_bmask); 12427 set_bit(fcf_index, phba->fcf.fcf_rr_bmask);
12445 12428
12446 /* Set the roundrobin index bmask updated */
12447 spin_lock_irq(&phba->hbalock);
12448 phba->fcf.fcf_flag |= FCF_REDISC_RRU;
12449 spin_unlock_irq(&phba->hbalock);
12450
12451 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 12429 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
12452 "2790 Set FCF index x%x to round robin failover " 12430 "2790 Set FCF (x%x) to roundrobin FCF failover "
12453 "bmask\n", fcf_index); 12431 "bmask\n", fcf_index);
12454 12432
12455 return 0; 12433 return 0;
@@ -12460,7 +12438,7 @@ lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index)
12460 * @phba: pointer to lpfc hba data structure. 12438 * @phba: pointer to lpfc hba data structure.
12461 * 12439 *
12462 * This routine clears the FCF record index from the eligible bmask for 12440 * This routine clears the FCF record index from the eligible bmask for
12463 * round robin failover search. It checks to make sure that the index 12441 * roundrobin failover search. It checks to make sure that the index
12464 * does not go beyond the range of the driver allocated bmask dimension 12442 * does not go beyond the range of the driver allocated bmask dimension
12465 * before clearing the bit. 12443 * before clearing the bit.
12466 **/ 12444 **/
@@ -12469,9 +12447,8 @@ lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
12469{ 12447{
12470 if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { 12448 if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
12471 lpfc_printf_log(phba, KERN_ERR, LOG_FIP, 12449 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
12472 "2762 HBA FCF index goes beyond driver's " 12450 "2762 FCF (x%x) reached driver's book "
12473 "book keeping dimension: fcf_index:%d, " 12451 "keeping dimension:x%x\n",
12474 "driver_bmask_max:%d\n",
12475 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); 12452 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
12476 return; 12453 return;
12477 } 12454 }
@@ -12479,7 +12456,7 @@ lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
12479 clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); 12456 clear_bit(fcf_index, phba->fcf.fcf_rr_bmask);
12480 12457
12481 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 12458 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
12482 "2791 Clear FCF index x%x from round robin failover " 12459 "2791 Clear FCF (x%x) from roundrobin failover "
12483 "bmask\n", fcf_index); 12460 "bmask\n", fcf_index);
12484} 12461}
12485 12462
@@ -12530,8 +12507,7 @@ lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
12530 } 12507 }
12531 } else { 12508 } else {
12532 lpfc_printf_log(phba, KERN_INFO, LOG_FIP, 12509 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
12533 "2775 Start FCF rediscovery quiescent period " 12510 "2775 Start FCF rediscover quiescent timer\n");
12534 "wait timer before scaning FCF table\n");
12535 /* 12511 /*
12536 * Start FCF rediscovery wait timer for pending FCF 12512 * Start FCF rediscovery wait timer for pending FCF
12537 * before rescan FCF record table. 12513 * before rescan FCF record table.
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index a0ca572ec28b..98da223e19e0 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -23,6 +23,9 @@
23#define LPFC_GET_QE_REL_INT 32 23#define LPFC_GET_QE_REL_INT 32
24#define LPFC_RPI_LOW_WATER_MARK 10 24#define LPFC_RPI_LOW_WATER_MARK 10
25 25
26#define LPFC_UNREG_FCF 1
27#define LPFC_SKIP_UNREG_FCF 0
28
26/* Amount of time in seconds for waiting FCF rediscovery to complete */ 29/* Amount of time in seconds for waiting FCF rediscovery to complete */
27#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */ 30#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
28 31
@@ -163,9 +166,8 @@ struct lpfc_fcf {
163#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */ 166#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
164#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */ 167#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
165#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */ 168#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
166#define FCF_REDISC_RRU 0x400 /* Roundrobin bitmap updated */ 169#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
167 uint32_t addr_mode; 170 uint32_t addr_mode;
168 uint16_t fcf_rr_init_indx;
169 uint32_t eligible_fcf_cnt; 171 uint32_t eligible_fcf_cnt;
170 struct lpfc_fcf_rec current_rec; 172 struct lpfc_fcf_rec current_rec;
171 struct lpfc_fcf_rec failover_rec; 173 struct lpfc_fcf_rec failover_rec;
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-20 01:51:53 -0500