static void
ptoninvalidate(struct cam_periph *periph)
{
struct pt_softc *softc;
struct bio *q_bio;
struct buf *q_bp;
softc = (struct pt_softc *)periph->softc;
/*
* De-register any async callbacks.
*/
xpt_register_async(0, ptasync, periph, periph->path);
softc->flags |= PT_FLAG_DEVICE_INVALID;
/*
* Return all queued I/O with ENXIO.
* XXX Handle any transactions queued to the card
* with XPT_ABORT_CCB.
*/
while ((q_bio = bioq_takefirst(&softc->bio_queue)) != NULL) {
q_bp = q_bio->bio_buf;
q_bp->b_resid = q_bp->b_bcount;
q_bp->b_error = ENXIO;
q_bp->b_flags |= B_ERROR;
biodone(q_bio);
}
xpt_print(periph->path, "lost device\n");
}
static int
adaclose(struct disk *dp)
{
struct cam_periph *periph;
struct ada_softc *softc;
union ccb *ccb;
int error;
periph = (struct cam_periph *)dp->d_drv1;
if (periph == NULL)
return (ENXIO);
cam_periph_lock(periph);
if ((error = cam_periph_hold(periph, PRIBIO)) != 0) {
cam_periph_unlock(periph);
cam_periph_release(periph);
return (error);
}
softc = (struct ada_softc *)periph->softc;
/* We only sync the cache if the drive is capable of it. */
if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 &&
(softc->flags & ADA_FLAG_PACK_INVALID) == 0) {
ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
cam_fill_ataio(&ccb->ataio,
1,
adadone,
CAM_DIR_NONE,
0,
NULL,
0,
ada_default_timeout*1000);
if (softc->flags & ADA_FLAG_CAN_48BIT)
ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
else
ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
/*sense_flags*/0, softc->disk->d_devstat);
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
xpt_print(periph->path, "Synchronize cache failed\n");
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
cam_release_devq(ccb->ccb_h.path,
/*relsim_flags*/0,
/*reduction*/0,
/*timeout*/0,
/*getcount_only*/0);
xpt_release_ccb(ccb);
}
softc->flags &= ~ADA_FLAG_OPEN;
cam_periph_unhold(periph);
cam_periph_unlock(periph);
cam_periph_release(periph);
return (0);
}
static void
pmpcleanup(struct cam_periph *periph)
{
struct pmp_softc *softc;
softc = (struct pmp_softc *)periph->softc;
xpt_print(periph->path, "removing device entry\n");
cam_periph_unlock(periph);
/*
* If we can't free the sysctl tree, oh well...
*/
if ((softc->flags & PMP_FLAG_SCTX_INIT) != 0
&& sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
xpt_print(periph->path, "can't remove sysctl context\n");
}
free(softc, M_DEVBUF);
cam_periph_lock(periph);
}
static void
ptdtor(struct cam_periph *periph)
{
struct pt_softc *softc;
softc = (struct pt_softc *)periph->softc;
xpt_print(periph->path, "removing device entry\n");
devstat_remove_entry(softc->device_stats);
cam_periph_unlock(periph);
destroy_dev(softc->dev);
cam_periph_lock(periph);
free(softc, M_DEVBUF);
}
static void
ptdtor(struct cam_periph *periph)
{
struct pt_softc *softc;
softc = (struct pt_softc *)periph->softc;
devstat_remove_entry(&softc->device_stats);
cam_extend_release(ptperiphs, periph->unit_number);
xpt_print(periph->path, "removing device entry\n");
dev_ops_remove_minor(&pt_ops, periph->unit_number);
kfree(softc, M_DEVBUF);
}
static void
pmponinvalidate(struct cam_periph *periph)
{
struct cam_path *dpath;
int i;
/*
* De-register any async callbacks.
*/
xpt_register_async(0, pmpasync, periph, periph->path);
for (i = 0; i < 15; i++) {
if (xpt_create_path(&dpath, periph,
xpt_path_path_id(periph->path),
i, 0) == CAM_REQ_CMP) {
xpt_async(AC_LOST_DEVICE, dpath, NULL);
xpt_free_path(dpath);
}
}
pmprelease(periph, -1);
xpt_print(periph->path, "lost device\n");
}
static void
ptoninvalidate(struct cam_periph *periph)
{
struct pt_softc *softc;
softc = (struct pt_softc *)periph->softc;
/*
* De-register any async callbacks.
*/
xpt_register_async(0, ptasync, periph, periph->path);
softc->flags |= PT_FLAG_DEVICE_INVALID;
/*
* Return all queued I/O with ENXIO.
* XXX Handle any transactions queued to the card
* with XPT_ABORT_CCB.
*/
bioq_flush(&softc->bio_queue, NULL, ENXIO);
xpt_print(periph->path, "lost device\n");
}
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);
}