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[1/7] be2iscsi : Fix the retry count for boot targets

Message ID 84536b09-b782-4a83-94dd-79b8c0039b8f@CMEXHTCAS2.ad.emulex.com (mailing list archive)
State New, archived
Headers show

Commit Message

John Soni Jose April 17, 2015, 9:30 a.m. UTC 
Increment the retry count to get the boot target info when
 port async event is received by the driver. Update sysfs enteries
 with the boot target  parameters.

Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
---
 drivers/scsi/be2iscsi/be_cmds.c |    4 ++++
 drivers/scsi/be2iscsi/be_main.c |   23 ++++++++++++++++++++---
 drivers/scsi/be2iscsi/be_main.h |    4 ++++
 3 files changed, 28 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 80d97f3..8e16c49 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -452,6 +452,7 @@  void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
 		    ((evt->port_link_status & ASYNC_EVENT_LOGICAL) &&
 		     (evt->port_fault == BEISCSI_PHY_LINK_FAULT_NONE))) {
 		phba->state = BE_ADAPTER_LINK_UP | BE_ADAPTER_CHECK_BOOT;
+		phba->get_boot = BE_GET_BOOT_RETRIES;
 
 		beiscsi_log(phba, KERN_ERR,
 			    BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
@@ -480,6 +481,7 @@  int beiscsi_process_mcc(struct beiscsi_hba *phba)
 				case ASYNC_EVENT_NEW_ISCSI_CONN:
 				case ASYNC_EVENT_NEW_TCP_CONN:
 					phba->state |= BE_ADAPTER_CHECK_BOOT;
+					phba->get_boot = BE_GET_BOOT_RETRIES;
 					beiscsi_log(phba, KERN_ERR,
 						    BEISCSI_LOG_CONFIG |
 						    BEISCSI_LOG_MBOX,
@@ -488,6 +490,8 @@  int beiscsi_process_mcc(struct beiscsi_hba *phba)
 						    compl->flags);
 					break;
 				default:
+					phba->state |= BE_ADAPTER_CHECK_BOOT;
+					phba->get_boot = BE_GET_BOOT_RETRIES;
 					beiscsi_log(phba, KERN_ERR,
 						    BEISCSI_LOG_CONFIG |
 						    BEISCSI_LOG_MBOX,
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 923a2b5..66ea88c 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -2037,11 +2037,16 @@  static void  beiscsi_process_mcc_isr(struct beiscsi_hba *phba)
 				/* Interpret compl as a async link evt */
 				beiscsi_async_link_state_process(phba,
 				(struct be_async_event_link_state *) mcc_compl);
-			else
+			else {
 				beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_MBOX,
 					    "BM_%d :  Unsupported Async Event, flags"
 					    " = 0x%08x\n",
 					    mcc_compl->flags);
+				if (phba->state & BE_ADAPTER_LINK_UP) {
+					phba->state |= BE_ADAPTER_CHECK_BOOT;
+					phba->get_boot = BE_GET_BOOT_RETRIES;
+				}
+			}
 		} else if (mcc_compl->flags & CQE_FLAGS_COMPLETED_MASK) {
 			be_mcc_compl_process_isr(&phba->ctrl, mcc_compl);
 			atomic_dec(&phba->ctrl.mcc_obj.q.used);
@@ -4328,8 +4333,14 @@  static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
 		beiscsi_log(phba, KERN_ERR,
 			    BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
 			    "BM_%d : No boot session\n");
+
+		if (ret == -ENXIO)
+			phba->get_boot = 0;
+
+
 		return ret;
 	}
+	phba->get_boot = 0;
 	nonemb_cmd.va = pci_zalloc_consistent(phba->ctrl.pdev,
 					      sizeof(*session_resp),
 					      &nonemb_cmd.dma);
@@ -5374,8 +5385,14 @@  beiscsi_hw_health_check(struct work_struct *work)
 	be_eqd_update(phba);
 
 	if (phba->state & BE_ADAPTER_CHECK_BOOT) {
-		phba->state &= ~BE_ADAPTER_CHECK_BOOT;
-		be_check_boot_session(phba);
+		if ((phba->get_boot > 0) && (!phba->boot_kset)) {
+			phba->get_boot--;
+			if (!(phba->get_boot % BE_GET_BOOT_TO))
+				be_check_boot_session(phba);
+		} else {
+			phba->state &= ~BE_ADAPTER_CHECK_BOOT;
+			phba->get_boot = 0;
+		}
 	}
 
 	beiscsi_ue_detect(phba);
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 7ee0ffc..0aa0cb3 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -109,6 +109,9 @@ 
 
 #define BEISCSI_CLEAN_UNLOAD	0x01
 #define BEISCSI_EEH_UNLOAD	0x02
+
+#define BE_GET_BOOT_RETRIES	45
+#define BE_GET_BOOT_TO		20
 /**
  * hardware needs the async PDU buffers to be posted in multiples of 8
  * So have atleast 8 of them by default
@@ -413,6 +416,7 @@  struct beiscsi_hba {
 	} fw_config;
 
 	unsigned int state;
+	int get_boot;
 	bool fw_timeout;
 	bool ue_detected;
 	struct delayed_work beiscsi_hw_check_task;