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Commit d1471eb0 authored by Raghava Aditya Renukunta's avatar Raghava Aditya Renukunta Committed by Martin K. Petersen
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scsi: aacraid: Allow reset_host sysfs var to recover Panicked Fw 



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: default avatarRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent f3a23277

drivers/scsi/aacraid/comminit.c

+8 −5
Original line number Diff line number Diff line
@@ -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);