cam/ctl/scsi_ctl.c

103 	struct cam_periph *periph;
186 static void		ctlfedone(struct cam_periph *periph,
199 static void		ctlfe_free_ccb(struct cam_periph *periph,
201 static void		ctlfe_requeue_ccb(struct cam_periph *periph,
455 ctlferegister(struct cam_periph *periph, void *arg)
469 	softc->periph = periph;
470 	periph->softc = softc;
475 		cam_release_devq(periph->path,
482 	xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NONE);
490 		xpt_print(periph->path, "%s: Enable LUN failed, status 0x%x\n",
527 		xpt_setup_ccb(&new_ccb->ccb_h, periph->path, CAM_PRIORITY_NONE);
541 	acstatus = cam_periph_acquire(periph);
543 		xpt_print(periph->path, "%s: could not acquire reference "
549 		xpt_print(periph->path, "%s: could not allocate ATIO CCBs, "
574 		xpt_setup_ccb(&new_ccb->ccb_h, periph->path, CAM_PRIORITY_NONE);
596 		xpt_print(periph->path, "%s: could not allocate immediate "
607 ctlfeoninvalidate(struct cam_periph *periph)
609 	struct ctlfe_lun_softc *softc = (struct ctlfe_lun_softc *)periph->softc;
616 	xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NONE);
635 		xpt_print(periph->path, "%s: Disable LUN failed, status 0x%x\n",
649 ctlfecleanup(struct cam_periph *periph)
653 	softc = (struct ctlfe_lun_softc *)periph->softc;
764 ctlfestart(struct cam_periph *periph, union ccb *start_ccb)
777 	softc = (struct ctlfe_lun_softc *)periph->softc;
822 			ctlfe_requeue_ccb(periph, (union ccb *)atio,
903 	cam_periph_unlock(periph);
905 	cam_periph_lock(periph);
912 		xpt_schedule(periph, CAM_PRIORITY_NORMAL);
918 	struct cam_periph *periph = context;
919 	struct ctlfe_lun_softc *softc = periph->softc;
921 	cam_periph_lock(periph);
923 		cam_periph_sleep(periph, &softc->refcount, PRIBIO,
926 	cam_periph_unlock(periph);
927 	cam_periph_release(periph);
931 ctlfe_free_ccb(struct cam_periph *periph, union ccb *ccb)
937 	softc = (struct ctlfe_lun_softc *)periph->softc;
969 			cam_periph_release_locked(periph);
971 			TASK_INIT(&softc->refdrain_task, 0, ctlfe_drain, periph);
979  * Send the ATIO/INOT back to the SIM, or free it if periph was invalidated.
982 ctlfe_requeue_ccb(struct cam_periph *periph, union ccb *ccb, int unlock)
987 	if (periph->flags & CAM_PERIPH_INVALID) {
988 		mtx = cam_periph_mtx(periph);
989 		ctlfe_free_ccb(periph, ccb);
994 	softc = (struct ctlfe_lun_softc *)periph->softc;
1000 		cam_periph_unlock(periph);
1007 	xpt_setup_ccb_flags(&ccb->ccb_h, periph->path, CAM_PRIORITY_NONE,
1081 ctlfedone(struct cam_periph *periph, union ccb *done_ccb)
1103 		cam_release_devq(periph->path,
1111 	softc = (struct ctlfe_lun_softc *)periph->softc;
1113 	mtx = cam_periph_mtx(periph);
1122 			ctlfe_free_ccb(periph, done_ccb);
1242 			xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1296 			ctlfe_requeue_ccb(periph, (union ccb *)atio,
1474 				xpt_print(periph->path,
1482 			xpt_print(periph->path,
1490 			ctlfe_free_ccb(periph, done_ccb);
1507 		ctlfe_requeue_ccb(periph, done_ccb, /* unlock */1);
1532 	status = xpt_create_path(&path, /*periph*/ NULL, bus_softc->path_id,
1644 	struct cam_periph *periph;
1651 	status = xpt_create_path(&path, /*periph*/ NULL,
1655 		printf("%s: unable to create path for wildcard periph\n",
1663 	periph = cam_periph_find(path, "ctl");
1664 	if (periph != NULL) {
1665 		/* We've already got a periph, no need to alloc a new one. */
1706 	struct cam_periph *periph;
1716 	status = xpt_create_path(&path, /*periph*/ NULL,
1720 		printf("%s: unable to create path for wildcard periph\n",
1725 	if ((periph = cam_periph_find(path, "ctl")) != NULL)
1726 		cam_periph_invalidate(periph);
1733  * CTL.  So we only need to create a path/periph for this particular bus.
1741 	struct cam_periph *periph;
1748 	status = xpt_create_path(&path, /*periph*/ NULL,
1759 	periph = cam_periph_find(path, "ctl");
1760 	if (periph != NULL) {
1761 		/* We've already got a periph, no need to alloc a new one. */
1813 		path = lun_softc->periph->path;
1825 	cam_periph_acquire(lun_softc->periph);
1828 	cam_periph_lock(lun_softc->periph);
1829 	cam_periph_invalidate(lun_softc->periph);
1830 	cam_periph_unlock(lun_softc->periph);
1831 	cam_periph_release(lun_softc->periph);
1850 	struct cam_periph *periph = softc->periph;
1855 	xpt_setup_ccb(&cgds.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1859 		xpt_print(periph->path, "devq: openings %d, active %d, "
1887 			xpt_print(periph->path,
1895 	xpt_print(periph->path, "%d requests waiting for CCBs\n", num_items);
1896 	xpt_print(periph->path, "%d CTIOs outstanding\n", softc->ctios_sent);
1908 	struct cam_periph *periph;
1916 	periph = xpt_path_periph(ccb->ccb_h.path);
1917 	cam_periph_lock(periph);
1918 	softc = (struct ctlfe_lun_softc *)periph->softc;
1924 	xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1925 	cam_periph_unlock(periph);
1932 	struct cam_periph *periph;
1936 	periph = xpt_path_periph(ccb->ccb_h.path);
1937 	cam_periph_lock(periph);
1938 	softc = (struct ctlfe_lun_softc *)periph->softc;
1971 		ctlfe_requeue_ccb(periph, ccb, /* unlock */1);
1977 		xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1980 	cam_periph_unlock(periph);