diff options
| author | Prakash, Sathya <sathya.prakash@lsi.com> | 2007-08-14 14:38:40 +0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-10-12 22:40:40 +0400 |
| commit | 7a195f464e0692607aca8150c8489a838fab684b (patch) | |
| tree | 55368ee04d0ad6209fae6fe375b977046488c4b6 /drivers/message/fusion/mptbase.h | |
| parent | 232f08fc82b15fdcaffc68c558115bfb2b34db86 (diff) | |
| download | linux-7a195f464e0692607aca8150c8489a838fab684b.tar.xz | |
[SCSI] mpt fusion: Usage of high priority request FIFO to send task management commands
Added support for sending the task management requests through High priority
request FIFO instead of Doorbell writes when firmware support High priority
FIFO.
signed-off-by: Sathya Prakash <sathya.prakash@lsi.com>
Acked-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/message/fusion/mptbase.h')
| -rw-r--r-- | drivers/message/fusion/mptbase.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index a8c80805e170..012be5ea906e 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -336,7 +336,8 @@ typedef struct _SYSIF_REGS u32 Reserved2[2]; /* 38-3F reserved for future use */ u32 RequestFifo; /* 40 Request Post/Free FIFO */ u32 ReplyFifo; /* 44 Reply Post/Free FIFO */ - u32 Reserved3[2]; /* 48-4F reserved for future use */ + u32 RequestHiPriFifo; /* 48 Hi Priority Request FIFO */ + u32 Reserved3; /* 4C-4F reserved for future use */ u32 HostIndex; /* 50 Host Index register */ u32 Reserved4[15]; /* 54-8F */ u32 Fubar; /* 90 For Fubar usage */ @@ -893,6 +894,7 @@ extern void mpt_device_driver_deregister(int cb_idx); extern MPT_FRAME_HDR *mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc); extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf); extern void mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf); +extern void mpt_put_msg_frame_hi_pri(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf); extern void mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr); extern int mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag); |