[SCSI] qla2xxx: Fix issue with not displaying node name after system reboot.

Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla2xxx/qla_dbg.c

@@ -26,7 +26,7 @@
  * |                              |                    | 0x302d,0x3033  |
  * |                              |                    | 0x3036,0x3038  |
  * |                              |                    | 0x303a		|
- * | DPC Thread                   |       0x4022       | 0x4002,0x4013  |
+ * | DPC Thread                   |       0x4023       | 0x4002,0x4013  |
  * | Async Events                 |       0x5087       | 0x502b-0x502f  |
  * |                              |                    | 0x5047,0x5052  |
  * |                              |                    | 0x5084,0x5075	|

drivers/scsi/qla2xxx/qla_def.h

@@ -3370,6 +3370,7 @@ typedef struct scsi_qla_host {
 #define FX00_RESET_RECOVERY	23
 #define FX00_TARGET_SCAN	24
 #define FX00_CRITEMP_RECOVERY	25
+#define FX00_HOST_INFO_RESEND	26
 
 	uint32_t	device_flags;
 #define SWITCH_FOUND		BIT_0

drivers/scsi/qla2xxx/qla_mr.c

@@ -1610,6 +1610,22 @@ qlafx00_timer_routine(scsi_qla_host_t *vha)
 			ha->mr.fw_critemp_timer_tick--;
 		}
 	}
+	if (ha->mr.host_info_resend) {
+		/*
+		 * Incomplete host info might be sent to firmware
+		 * durinng system boot - info should be resend
+		 */
+		if (ha->mr.hinfo_resend_timer_tick == 0) {
+			ha->mr.host_info_resend = false;
+			set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags);
+			ha->mr.hinfo_resend_timer_tick =
+			    QLAFX00_HINFO_RESEND_INTERVAL;
+			qla2xxx_wake_dpc(vha);
+		} else {
+			ha->mr.hinfo_resend_timer_tick--;
+		}
+	}
+
 }
 
 /*
@@ -1888,6 +1904,8 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
 			    p_sysid->sysname, SYSNAME_LENGTH);
 			strncpy(phost_info->nodename,
 			    p_sysid->nodename, NODENAME_LENGTH);
+			if (!strcmp(phost_info->nodename, "(none)"))
+				ha->mr.host_info_resend = true;
 			strncpy(phost_info->release,
 			    p_sysid->release, RELEASE_LENGTH);
 			strncpy(phost_info->version,

drivers/scsi/qla2xxx/qla_mr.h

@@ -511,6 +511,8 @@ struct mr_data_fx00 {
 	uint32_t old_aenmbx0_state;
 	uint32_t critical_temperature;
 	bool extended_io_enabled;
+	bool host_info_resend;
+	uint8_t hinfo_resend_timer_tick;
 };
 
 #define QLAFX00_EXTENDED_IO_EN_MASK    0x20
@@ -537,6 +539,7 @@ struct mr_data_fx00 {
 #define QLAFX00_RESET_INTERVAL		120	/* number of seconds */
 #define QLAFX00_MAX_RESET_INTERVAL	600	/* number of seconds */
 #define QLAFX00_CRITEMP_INTERVAL	60	/* number of seconds */
+#define QLAFX00_HINFO_RESEND_INTERVAL	60	/* number of seconds */
 
 #define QLAFX00_CRITEMP_THRSHLD		80	/* Celsius degrees */
 

drivers/scsi/qla2xxx/qla_os.c

@@ -2495,6 +2495,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
 		ha->mr.fw_hbt_en = 1;
+		ha->mr.host_info_resend = false;
+		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
 	}
 
 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
@@ -4867,6 +4869,14 @@ qla2x00_do_dpc(void *data)
 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
 				    "ISPFx00 Target Scan End\n");
 			}
+			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
+				&base_vha->dpc_flags)) {
+				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
+				    "ISPFx00 Host Info resend scheduled\n");
+				qlafx00_fx_disc(base_vha,
+				    &base_vha->hw->mr.fcport,
+				    FXDISC_REG_HOST_INFO);
+			}
 		}
 
 		if (test_and_clear_bit(ISP_ABORT_NEEDED,