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[SCSI] mpt fusion: Usage of high priority request FIFO to send task management commands

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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>
This commit is contained in:
Prakash, Sathya
2007-08-14 16:08:40 +05:30
committed by James Bottomley
parent 232f08fc82
commit 7a195f464e
5 changed files with 75 additions and 28 deletions
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44
drivers/message/fusion/mptctl.c
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@@ -342,7 +342,7 @@ static int mptctl_bus_reset(MPT_IOCTL *ioctl)
SCSITaskMgmt_t *pScsiTm;
MPT_SCSI_HOST *hd;
int ii;
int retval;
int retval=0;
ioctl->reset &= ~MPTCTL_RESET_OK;
@@ -395,12 +395,19 @@ static int mptctl_bus_reset(MPT_IOCTL *ioctl)
DBG_DUMP_TM_REQUEST_FRAME(ioctl->ioc, (u32 *)mf);
ioctl->wait_done=0;
if ((retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc,
sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP)) != 0) {
dfailprintk(ioctl->ioc, printk(MYIOC_s_ERR_FMT "_send_handshake FAILED!"
" (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd,
hd->ioc, mf));
goto mptctl_bus_reset_done;
if ((ioctl->ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
(ioctl->ioc->facts.MsgVersion >= MPI_VERSION_01_05))
mpt_put_msg_frame_hi_pri(mptctl_id, ioctl->ioc, mf);
else {
retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc,
sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
if (retval != 0) {
dfailprintk(ioctl->ioc, printk(MYIOC_s_ERR_FMT "_send_handshake FAILED!"
" (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd,
hd->ioc, mf));
goto mptctl_bus_reset_done;
}
}
/* Now wait for the command to complete */
@@ -2187,15 +2194,20 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
if (mpt_send_handshake_request(mptctl_id, ioc,
sizeof(SCSITaskMgmt_t), (u32*)mf,
CAN_SLEEP) != 0) {
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "_send_handshake FAILED!"
" (ioc %p, mf %p) \n", ioc->name,
ioc, mf));
mptctl_free_tm_flags(ioc);
rc = -ENODATA;
goto done_free_mem;
if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
(ioc->facts.MsgVersion >= MPI_VERSION_01_05))
mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf);
else {
rc =mpt_send_handshake_request(mptctl_id, ioc,
sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP);
if (rc != 0) {
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
"_send_handshake FAILED! (ioc %p, mf %p)\n",
ioc->name, ioc, mf));
mptctl_free_tm_flags(ioc);
rc = -ENODATA;
goto done_free_mem;
}
}
} else