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

[linux-2.6-omap-h63xx.git] / drivers / scsi / lpfc / lpfc_attr.c

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index c8fb43d608828472fc6ddbda8a5d2bba89a82fbc..e7aca3c4b26e0f095dd002e60a99d9b8d4c245aa 100644 (file)
--- 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:
@@ -278,6 +280,58 @@ lpfc_board_online_store(struct class_device *cdev, const char *buf,
                return -EIO;
 }
 
+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)
 {
@@ -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: