static void
ptdone(struct cam_periph *periph, union ccb *done_ccb)
{
struct pt_softc *softc;
struct ccb_scsiio *csio;
softc = (struct pt_softc *)periph->softc;
csio = &done_ccb->csio;
switch (csio->ccb_h.ccb_state) {
case PT_CCB_BUFFER_IO:
case PT_CCB_BUFFER_IO_UA:
{
struct bio *bp;
bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
int error;
int sf;
if ((csio->ccb_h.ccb_state & PT_CCB_RETRY_UA) != 0)
sf = SF_RETRY_UA;
else
sf = 0;
error = pterror(done_ccb, CAM_RETRY_SELTO, sf);
if (error == ERESTART) {
/*
* A retry was scheuled, so
* just return.
*/
return;
}
if (error != 0) {
if (error == ENXIO) {
/*
* Catastrophic error. Mark our device
* as invalid.
*/
xpt_print(periph->path,
"Invalidating device\n");
softc->flags |= PT_FLAG_DEVICE_INVALID;
}
/*
* return all queued I/O with EIO, so that
* the client can retry these I/Os in the
* proper order should it attempt to recover.
*/
bioq_flush(&softc->bio_queue, NULL, EIO);
bp->bio_error = error;
bp->bio_resid = bp->bio_bcount;
bp->bio_flags |= BIO_ERROR;
} else {
bp->bio_resid = csio->resid;
bp->bio_error = 0;
if (bp->bio_resid != 0) {
/* Short transfer ??? */
bp->bio_flags |= BIO_ERROR;
}
}
if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
cam_release_devq(done_ccb->ccb_h.path,
/*relsim_flags*/0,
/*reduction*/0,
/*timeout*/0,
/*getcount_only*/0);
} else {
bp->bio_resid = csio->resid;
if (bp->bio_resid != 0)
bp->bio_flags |= BIO_ERROR;
}
/*
* Block out any asyncronous callbacks
* while we touch the pending ccb list.
*/
LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
biofinish(bp, softc->device_stats, 0);
break;
}
case PT_CCB_WAITING:
/* Caller will release the CCB */
wakeup(&done_ccb->ccb_h.cbfcnp);
return;
}
xpt_release_ccb(done_ccb);
}
static void
ptdone(struct cam_periph *periph, union ccb *done_ccb)
{
struct pt_softc *softc;
struct ccb_scsiio *csio;
softc = (struct pt_softc *)periph->softc;
csio = &done_ccb->csio;
switch (csio->ccb_h.ccb_state) {
case PT_CCB_BUFFER_IO:
case PT_CCB_BUFFER_IO_UA:
{
struct buf *bp;
int oldspl;
bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
int error;
int s;
int sf;
if ((csio->ccb_h.ccb_state & PT_CCB_RETRY_UA) != 0)
sf = SF_RETRY_UA;
else
sf = 0;
sf |= SF_RETRY_SELTO;
if ((error = pterror(done_ccb, 0, sf)) == ERESTART) {
/*
* A retry was scheuled, so
* just return.
*/
return;
}
if (error != 0) {
struct buf *q_bp;
s = splbio();
if (error == ENXIO) {
/*
* Catastrophic error. Mark our device
* as invalid.
*/
xpt_print_path(periph->path);
printf("Invalidating device\n");
softc->flags |= PT_FLAG_DEVICE_INVALID;
}
/*
* return all queued I/O with EIO, so that
* the client can retry these I/Os in the
* proper order should it attempt to recover.
*/
while ((q_bp = bufq_first(&softc->buf_queue))
!= NULL) {
bufq_remove(&softc->buf_queue, q_bp);
q_bp->b_resid = q_bp->b_bcount;
q_bp->b_error = EIO;
q_bp->b_flags |= B_ERROR;
biodone(q_bp);
}
splx(s);
bp->b_error = error;
bp->b_resid = bp->b_bcount;
bp->b_flags |= B_ERROR;
} else {
bp->b_resid = csio->resid;
bp->b_error = 0;
if (bp->b_resid != 0) {
/* Short transfer ??? */
bp->b_flags |= B_ERROR;
}
}
if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
cam_release_devq(done_ccb->ccb_h.path,
/*relsim_flags*/0,
/*reduction*/0,
/*timeout*/0,
/*getcount_only*/0);
} else {
bp->b_resid = csio->resid;
if (bp->b_resid != 0)
bp->b_flags |= B_ERROR;
}
/*
* Block out any asyncronous callbacks
* while we touch the pending ccb list.
*/
oldspl = splcam();
LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
splx(oldspl);
devstat_end_transaction_buf(&softc->device_stats, bp);
biodone(bp);
break;
}
case PT_CCB_WAITING:
/* Caller will release the CCB */
wakeup(&done_ccb->ccb_h.cbfcnp);
return;
}
xpt_release_ccb(done_ccb);
}
