From 45d7f0cc58183062adea0a1de3d8cba768134138 Mon Sep 17 00:00:00 2001 From: Jing Huang Date: Wed, 13 Apr 2011 11:45:53 -0700 Subject: [SCSI] bfa: kdump fix Root cause: When kernel crashes, bfa IOC state machine and FW doesn't get a notification and hence are not cleanly shutdown. So registers holding driver/IOC state information are not reset back to valid disabled/parking values. This causes subsequent driver initialization to hang during kdump kernel boot. Fix description: during the initialization of first PCI function, reset corresponding register when unclean shutown is detect by reading chip registers. This will make sure that ioc/fw gets clean re-initialization. Signed-off-by: Jing Huang Signed-off-by: James Bottomley --- drivers/scsi/bfa/bfa_ioc.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/scsi/bfa/bfa_ioc.h') diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h index ec9cf08b0e7f..c85182a704fb 100644 --- a/drivers/scsi/bfa/bfa_ioc.h +++ b/drivers/scsi/bfa/bfa_ioc.h @@ -263,6 +263,7 @@ struct bfa_ioc_hwif_s { bfa_boolean_t msix); void (*ioc_notify_fail) (struct bfa_ioc_s *ioc); void (*ioc_ownership_reset) (struct bfa_ioc_s *ioc); + bfa_boolean_t (*ioc_sync_start) (struct bfa_ioc_s *ioc); void (*ioc_sync_join) (struct bfa_ioc_s *ioc); void (*ioc_sync_leave) (struct bfa_ioc_s *ioc); void (*ioc_sync_ack) (struct bfa_ioc_s *ioc); -- cgit