Beispiel #1
0
static cam_status
ptctor(struct cam_periph *periph, void *arg)
{
	struct pt_softc *softc;
	struct ccb_getdev *cgd;

	cgd = (struct ccb_getdev *)arg;
	if (periph == NULL) {
		kprintf("ptregister: periph was NULL!!\n");
		return(CAM_REQ_CMP_ERR);
	}

	if (cgd == NULL) {
		kprintf("ptregister: no getdev CCB, can't register device\n");
		return(CAM_REQ_CMP_ERR);
	}

	softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO);
	LIST_INIT(&softc->pending_ccbs);
	softc->state = PT_STATE_NORMAL;
	bioq_init(&softc->bio_queue);

	softc->io_timeout = SCSI_PT_DEFAULT_TIMEOUT * 1000;

	periph->softc = softc;
	
	cam_periph_unlock(periph);
	cam_extend_set(ptperiphs, periph->unit_number, periph);

	devstat_add_entry(&softc->device_stats, "pt",
			  periph->unit_number, 0,
			  DEVSTAT_NO_BLOCKSIZE,
			  SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
			  DEVSTAT_PRIORITY_OTHER);

	make_dev(&pt_ops, periph->unit_number, UID_ROOT,
		  GID_OPERATOR, 0600, "%s%d", periph->periph_name,
		  periph->unit_number);
	cam_periph_lock(periph);
	/*
	 * Add async callbacks for bus reset and
	 * bus device reset calls.  I don't bother
	 * checking if this fails as, in most cases,
	 * the system will function just fine without
	 * them and the only alternative would be to
	 * not attach the device on failure.
	 */
	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE,
			   ptasync, periph, periph->path);

	/* Tell the user we've attached to the device */
	xpt_announce_periph(periph, NULL);

	return(CAM_REQ_CMP);
}
Beispiel #2
0
static cam_status
ptctor(struct cam_periph *periph, void *arg)
{
	struct pt_softc *softc;
	struct ccb_setasync csa;
	struct ccb_getdev *cgd;

	cgd = (struct ccb_getdev *)arg;
	if (periph == NULL) {
		printf("ptregister: periph was NULL!!\n");
		return(CAM_REQ_CMP_ERR);
	}

	if (cgd == NULL) {
		printf("ptregister: no getdev CCB, can't register device\n");
		return(CAM_REQ_CMP_ERR);
	}

	softc = (struct pt_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);

	if (softc == NULL) {
		printf("daregister: Unable to probe new device. "
		       "Unable to allocate softc\n");				
		return(CAM_REQ_CMP_ERR);
	}

	bzero(softc, sizeof(*softc));
	LIST_INIT(&softc->pending_ccbs);
	softc->state = PT_STATE_NORMAL;
	bufq_init(&softc->buf_queue);

	softc->io_timeout = SCSI_PT_DEFAULT_TIMEOUT * 1000;

	periph->softc = softc;
	
	cam_extend_set(ptperiphs, periph->unit_number, periph);

	devstat_add_entry(&softc->device_stats, "pt",
			  periph->unit_number, 0,
			  DEVSTAT_NO_BLOCKSIZE,
			  SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
			  DEVSTAT_PRIORITY_OTHER);

	softc->dev = make_dev(&pt_cdevsw, periph->unit_number, UID_ROOT,
			      GID_OPERATOR, 0600, "%s%d", periph->periph_name,
			      periph->unit_number);
	/*
	 * Add async callbacks for bus reset and
	 * bus device reset calls.  I don't bother
	 * checking if this fails as, in most cases,
	 * the system will function just fine without
	 * them and the only alternative would be to
	 * not attach the device on failure.
	 */
	xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
	csa.ccb_h.func_code = XPT_SASYNC_CB;
	csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
	csa.callback = ptasync;
	csa.callback_arg = periph;
	xpt_action((union ccb *)&csa);

	/* Tell the user we've attached to the device */
	xpt_announce_periph(periph, NULL);

	return(CAM_REQ_CMP);
}