[SCSI] ibmvscsi: handle re-enable firmware message

New versions of the Power5 firmware can send a "re-enable" message to
the virtual scsi adapter.  This fix makes us handle the message
correctly.  Without it, the driver goes catatonic and the system crashes
unpleasantly.

Signed-off-by: Dave Boutcher <sleddog@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 5b0edd1f1921..4550d71e4744 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -103,6 +103,9 @@ void ibmvscsi_release_crq_queue(struct crq_queue *queue,
 int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
                               struct ibmvscsi_host_data *hostdata);
 
+int ibmvscsi_reenable_crq_queue(struct crq_queue *queue,
+                                struct ibmvscsi_host_data *hostdata);
+
 void ibmvscsi_handle_crq(struct viosrp_crq *crq,
                          struct ibmvscsi_host_data *hostdata);
 int ibmvscsi_send_crq(struct ibmvscsi_host_data *hostdata,