From bf2e2e6b87ae38fab460a36abfe272d99ae8be49 Mon Sep 17 00:00:00 2001 From: "Stephen M. Cameron" Date: Tue, 3 May 2011 14:53:46 -0500 Subject: cciss: use new doorbell-bit-5 reset method The bit-2-doorbell reset method seemed to cause (survivable) NMIs on some systems and (unsurvivable) IOCK NMIs on some G7 servers. Firmware guys implemented a new doorbell method to alleviate these problems triggered by bit 5 of the doorbell register. We want to use it if it's available. Signed-off-by: Stephen M. Cameron Signed-off-by: Jens Axboe --- drivers/block/cciss_cmd.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/block/cciss_cmd.h') diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h index 3b20c31d746d..d9be6b4d49a6 100644 --- a/drivers/block/cciss_cmd.h +++ b/drivers/block/cciss_cmd.h @@ -53,6 +53,7 @@ #define CFGTBL_ChangeReq 0x00000001l #define CFGTBL_AccCmds 0x00000001l #define DOORBELL_CTLR_RESET 0x00000004l +#define DOORBELL_CTLR_RESET2 0x00000020l #define CFGTBL_Trans_Simple 0x00000002l #define CFGTBL_Trans_Performant 0x00000004l @@ -243,6 +244,7 @@ typedef struct _CfgTable_struct { u8 reserved[0x78 - 0x58]; u32 misc_fw_support; /* offset 0x78 */ #define MISC_FW_DOORBELL_RESET (0x02) +#define MISC_FW_DOORBELL_RESET2 (0x10) u8 driver_version[32]; } CfgTable_struct; -- cgit v1.2.3