]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
scsi: aacraid: Allow reset_host sysfs var to recover Panicked Fw
authorRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Wed, 27 Dec 2017 04:34:27 +0000 (20:34 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 4 Jan 2018 04:26:41 +0000 (23:26 -0500)
It is possible to restart the controller via the use of the reset_host
sysfs variable. This does work for controllers that can no longer respond,
since driver will attempt to send down a shutdown in this path.

Check if the controller is able to receive commands before sending down
a shutdown

Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/aacraid/comminit.c

index 1bc623ad3fafabd7025ce759c22aed725aa3bad5..9eff246ba3a30999683a62e2373d0aff32334abd 100644 (file)
@@ -295,12 +295,10 @@ int aac_send_shutdown(struct aac_dev * dev)
 {
        struct fib * fibctx;
        struct aac_close *cmd;
-       int status;
+       int status = 0;
 
-       fibctx = aac_fib_alloc(dev);
-       if (!fibctx)
-               return -ENOMEM;
-       aac_fib_init(fibctx);
+       if (aac_adapter_check_health(dev))
+               return status;
 
        if (!dev->adapter_shutdown) {
                mutex_lock(&dev->ioctl_mutex);
@@ -308,6 +306,11 @@ int aac_send_shutdown(struct aac_dev * dev)
                mutex_unlock(&dev->ioctl_mutex);
        }
 
+       fibctx = aac_fib_alloc(dev);
+       if (!fibctx)
+               return -ENOMEM;
+       aac_fib_init(fibctx);
+
        cmd = (struct aac_close *) fib_data(fibctx);
        cmd->command = cpu_to_le32(VM_CloseAll);
        cmd->cid = cpu_to_le32(0xfffffffe);