[SCSI] lpfc 8.1.2: Add ERROR and WARM_START modes for diagnostic purposes.

Add ERROR and WARM_START modes for diagnostic purposes.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 63 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index c8fb43d60882..e7aca3c4b26e 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2004-2005 Emulex.  All rights reserved.           *
+ * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
@@ -149,6 +149,8 @@ lpfc_state_show(struct class_device *cdev, char *buf)
         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
         int len = 0;
         switch (phba->hba_state) {
+        case LPFC_STATE_UNKNOWN:
+        case LPFC_WARM_START:
         case LPFC_INIT_START:
         case LPFC_INIT_MBX_CMDS:
         case LPFC_LINK_DOWN:
@@ -279,6 +281,58 @@ lpfc_board_online_store(struct class_device *cdev, const char *buf,
 }
 
 static ssize_t
+lpfc_board_mode_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+        char  * state;
+
+        if (phba->hba_state == LPFC_HBA_ERROR)
+                state = "error";
+        else if (phba->hba_state == LPFC_WARM_START)
+                state = "warm start";
+        else if (phba->hba_state == LPFC_INIT_START)
+                state = "offline";
+        else
+                state = "online";
+
+        return snprintf(buf, PAGE_SIZE, "%s\n", state);
+}
+
+static ssize_t
+lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+        struct completion online_compl;
+        int status=0;
+
+        init_completion(&online_compl);
+
+        if(strncmp(buf, "online", sizeof("online") - 1) == 0)
+                lpfc_workq_post_event(phba, &status, &online_compl,
+                                      LPFC_EVT_ONLINE);
+        else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
+                lpfc_workq_post_event(phba, &status, &online_compl,
+                                      LPFC_EVT_OFFLINE);
+        else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
+                lpfc_workq_post_event(phba, &status, &online_compl,
+                                      LPFC_EVT_WARM_START);
+        else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
+                lpfc_workq_post_event(phba, &status, &online_compl,
+                                      LPFC_EVT_KILL);
+        else
+                return -EINVAL;
+
+        wait_for_completion(&online_compl);
+
+        if (!status)
+                return strlen(buf);
+        else
+                return -EIO;
+}
+
+static ssize_t
 lpfc_poll_show(struct class_device *cdev, char *buf)
 {
         struct Scsi_Host *host = class_to_shost(cdev);
@@ -480,6 +534,8 @@ static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
                          NULL);
 static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
                          lpfc_board_online_show, lpfc_board_online_store);
+static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
+                         lpfc_board_mode_show, lpfc_board_mode_store);
 
 static int lpfc_poll = 0;
 module_param(lpfc_poll, int, 0);
@@ -674,6 +730,7 @@ struct class_device_attribute *lpfc_host_attrs[] = {
         &class_device_attr_nport_evt_cnt,
         &class_device_attr_management_version,
         &class_device_attr_board_online,
+        &class_device_attr_board_mode,
         &class_device_attr_lpfc_poll,
         &class_device_attr_lpfc_poll_tmo,
         NULL,
@@ -883,8 +940,11 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
                 case MBX_DUMP_MEMORY:
                 case MBX_DOWN_LOAD:
                 case MBX_UPDATE_CFG:
+                case MBX_KILL_BOARD:
                 case MBX_LOAD_AREA:
                 case MBX_LOAD_EXP_ROM:
+                case MBX_BEACON:
+                case MBX_DEL_LD_ENTRY:
                         break;
                 case MBX_READ_SPARM64:
                 case MBX_READ_LA:
@@ -1042,6 +1102,8 @@ lpfc_get_host_port_state(struct Scsi_Host *shost)
                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
         else {
                 switch (phba->hba_state) {
+                case LPFC_STATE_UNKNOWN:
+                case LPFC_WARM_START:
                 case LPFC_INIT_START:
                 case LPFC_INIT_MBX_CMDS:
                 case LPFC_LINK_DOWN: