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.renuku...@microsemi.com>
---
drivers/scsi/aacraid/comminit.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 1bc623a..9eff246 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -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);
--
2.9.4
