diff options
| author | Prakash, Sathya <sathya.prakash@lsi.com> | 2007-08-14 16:08:40 +0530 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-10-12 14:40:40 -0400 |
| commit | 7a195f464e0692607aca8150c8489a838fab684b (patch) | |
| tree | 55368ee04d0ad6209fae6fe375b977046488c4b6 /drivers/message/fusion/mptscsih.c | |
| parent | 232f08fc82b15fdcaffc68c558115bfb2b34db86 (diff) | |
[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/mptscsih.c')
| -rw-r--r-- | drivers/message/fusion/mptscsih.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 5431529741a..b8b05980760 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1717,12 +1717,18 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, i DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); - if ((retval = mpt_send_handshake_request(hd->ioc->TaskCtx, hd->ioc, - sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP)) != 0) { - dfailprintk(hd->ioc, printk(MYIOC_s_ERR_FMT "send_handshake FAILED!" + if ((hd->ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && + (hd->ioc->facts.MsgVersion >= MPI_VERSION_01_05)) + mpt_put_msg_frame_hi_pri(hd->ioc->TaskCtx, hd->ioc, mf); + else { + retval = mpt_send_handshake_request(hd->ioc->TaskCtx, hd->ioc, + sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); + if (retval) { + dfailprintk(hd->ioc, printk(MYIOC_s_ERR_FMT "send_handshake FAILED!" " (hd %p, ioc %p, mf %p, rc=%d) \n", hd->ioc->name, hd, hd->ioc, mf, retval)); - goto fail_out; + goto fail_out; + } } if(mptscsih_tm_wait_for_completion(hd, timeout) == FAILED) { |