/*ARGSUSED*/
stmf_status_t
pppt_lport_send_status(scsi_task_t *task, uint32_t ioflags)
{
pppt_task_t *ptask = task->task_port_private;
stmf_ic_msg_t *msg;
stmf_ic_msg_status_t ic_msg_status;
/*
* Mark task completed. If the state indicates it was aborted
* then we don't need to respond.
*/
if (pppt_task_done(ptask) == PPPT_STATUS_ABORTED) {
return (STMF_SUCCESS);
}
/*
* Send status.
*/
msg = stmf_ic_scsi_status_msg_alloc(
ptask->pt_task_id,
ptask->pt_sess->ps_session_id,
ptask->pt_lun_id,
0,
task->task_scsi_status,
task->task_status_ctrl, task->task_resid,
task->task_sense_length, task->task_sense_data, 0);
ic_msg_status = stmf_ic_tx_msg(msg);
if (ic_msg_status != STMF_IC_MSG_SUCCESS) {
pppt_task_sent_status(ptask);
stmf_send_status_done(ptask->pt_stmf_task,
STMF_FAILURE, STMF_IOF_LPORT_DONE);
return (STMF_FAILURE);
} else {
pppt_task_sent_status(ptask);
stmf_send_status_done(ptask->pt_stmf_task,
STMF_SUCCESS, STMF_IOF_LPORT_DONE);
return (STMF_SUCCESS);
}
}
/*
* srpt_ch_rsp_comp()
*
* Process a completion for an IB SEND message. A SEND completion
* is for a SRP response packet sent back to the initiator. It
* will not have a STMF SCSI task associated with it if it was
* sent for a rejected IU, or was a task management abort response.
*/
static void
srpt_ch_rsp_comp(srpt_channel_t *ch, srpt_iu_t *iu,
ibt_wc_status_t wc_status)
{
stmf_status_t st = STMF_SUCCESS;
ASSERT(iu->iu_ch == ch);
/*
* Process the completion regardless whether it's a failure or
* success. At this point, we've processed as far as we can and
* just need to complete the associated task.
*/
if (wc_status != IBT_SUCCESS) {
SRPT_DPRINTF_L2("ch_rsp_comp, WC status err(%d)",
wc_status);
st = STMF_FAILURE;
if (wc_status != IBT_WC_WR_FLUSHED_ERR) {
srpt_ch_disconnect(ch);
}
}
/*
* If the IU response completion is not associated with
* with a SCSI task, release the IU to return the resource
* and the reference to the channel it holds.
*/
mutex_enter(&iu->iu_lock);
atomic_dec_32(&iu->iu_sq_posted_cnt);
if (iu->iu_stmf_task == NULL) {
srpt_ioc_repost_recv_iu(iu->iu_ioc, iu);
mutex_exit(&iu->iu_lock);
srpt_ch_release_ref(ch, 0);
return;
}
/*
* We should not get a SEND completion where the task has already
* completed aborting and STMF has been informed.
*/
ASSERT((iu->iu_flags & SRPT_IU_ABORTED) == 0);
/*
* Let STMF know we are done.
*/
mutex_exit(&iu->iu_lock);
stmf_send_status_done(iu->iu_stmf_task, st, STMF_IOF_LPORT_DONE);
}
/*
* srpt_ch_rsp_comp()
*
* Process a completion for an IB SEND message. A SEND completion
* is for a SRP response packet sent back to the initiator. It
* will not have a STMF SCSI task associated with it if it was
* sent for a rejected IU, or was a task management abort response.
*/
static void
srpt_ch_rsp_comp(srpt_channel_t *ch, srpt_iu_t *iu,
ibt_wc_status_t wc_status)
{
ASSERT(iu->iu_ch == ch);
/*
* If work completion indicates failure, decrement the
* send posted count. If it is a flush error, we are
* done; for all other errors start a channel disconnect.
*/
if (wc_status != IBT_SUCCESS) {
SRPT_DPRINTF_L2("ch_rsp_comp, WC status err(%d)",
wc_status);
atomic_dec_32(&iu->iu_sq_posted_cnt);
if (wc_status != IBT_WC_WR_FLUSHED_ERR) {
srpt_ch_disconnect(ch);
}
mutex_enter(&iu->iu_lock);
if (iu->iu_stmf_task == NULL) {
srpt_ioc_repost_recv_iu(iu->iu_ioc, iu);
mutex_exit(&iu->iu_lock);
srpt_ch_release_ref(ch, 0);
} else {
/* cleanup handled in task_free */
mutex_exit(&iu->iu_lock);
}
return;
}
/*
* If the IU response completion is not associated with
* with a SCSI task, release the IU to return the resource
* and the reference to the channel it holds.
*/
mutex_enter(&iu->iu_lock);
atomic_dec_32(&iu->iu_sq_posted_cnt);
if (iu->iu_stmf_task == NULL) {
srpt_ioc_repost_recv_iu(iu->iu_ioc, iu);
mutex_exit(&iu->iu_lock);
srpt_ch_release_ref(ch, 0);
return;
}
/*
* If STMF has requested the IU task be aborted, then notify STMF
* the command is now aborted.
*/
if ((iu->iu_flags & SRPT_IU_STMF_ABORTING) != 0) {
scsi_task_t *abort_task = iu->iu_stmf_task;
mutex_exit(&iu->iu_lock);
stmf_abort(STMF_REQUEUE_TASK_ABORT_LPORT, abort_task,
STMF_ABORTED, NULL);
return;
}
/*
* We should not get a SEND completion where the task has already
* completed aborting and STMF has been informed.
*/
ASSERT((iu->iu_flags & SRPT_IU_ABORTED) == 0);
/*
* Successful status response completion for SCSI task.
* Let STMF know we are done.
*/
mutex_exit(&iu->iu_lock);
stmf_send_status_done(iu->iu_stmf_task, STMF_SUCCESS,
STMF_IOF_LPORT_DONE);
}