cam/ctl/ctl_backend_ramdisk.c

88 	struct ctl_be_lun cbe_lun;
190 		ctl_disable_lun(&lun->cbe_lun);
191 		ctl_invalidate_lun(&lun->cbe_lun);
214 	struct ctl_be_lun *cbe_lun;
221 	cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
223 	be_lun = (struct ctl_be_ramdisk_lun *)cbe_lun->be_lun;
270 	struct ctl_be_lun *cbe_lun;
273 	cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
282 	    lbalen->len * cbe_lun->blocksize;
412 		if (be_lun->cbe_lun.lun_id == params->lun_id)
423 	retval = ctl_disable_lun(&be_lun->cbe_lun);
443 	retval = ctl_invalidate_lun(&be_lun->cbe_lun);
479 		ctl_free_opts(&be_lun->cbe_lun.options);
497 	struct ctl_be_lun *cbe_lun;
507 	cbe_lun = &be_lun->cbe_lun;
508 	cbe_lun->be_lun = be_lun;
512 	ctl_init_opts(&cbe_lun->options, req->num_be_args, req->kern_be_args);
515 		cbe_lun->lun_type = params->device_type;
517 		cbe_lun->lun_type = T_DIRECT;
519 	cbe_lun->flags = 0;
520 	value = ctl_get_opt(&cbe_lun->options, "ha_role");
523 			cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY;
525 		cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY;
527 	if (cbe_lun->lun_type == T_DIRECT ||
528 	    cbe_lun->lun_type == T_CDROM) {
530 			cbe_lun->blocksize = params->blocksize_bytes;
531 		else if (cbe_lun->lun_type == T_CDROM)
532 			cbe_lun->blocksize = 2048;
534 			cbe_lun->blocksize = 512;
535 		if (params->lun_size_bytes < cbe_lun->blocksize) {
538 				 params->lun_size_bytes, cbe_lun->blocksize);
541 		be_lun->size_blocks = params->lun_size_bytes / cbe_lun->blocksize;
542 		be_lun->size_bytes = be_lun->size_blocks * cbe_lun->blocksize;
543 		cbe_lun->maxlba = be_lun->size_blocks - 1;
544 		cbe_lun->atomicblock = UINT32_MAX;
545 		cbe_lun->opttxferlen = softc->rd_size / cbe_lun->blocksize;
549 	params->blocksize_bytes = cbe_lun->blocksize;
552 	value = ctl_get_opt(&cbe_lun->options, "unmap");
554 		cbe_lun->flags |= CTL_LUN_FLAG_UNMAP;
555 	value = ctl_get_opt(&cbe_lun->options, "readonly");
558 			cbe_lun->flags |= CTL_LUN_FLAG_READONLY;
559 	} else if (cbe_lun->lun_type != T_DIRECT)
560 		cbe_lun->flags |= CTL_LUN_FLAG_READONLY;
561 	cbe_lun->serseq = CTL_LUN_SERSEQ_OFF;
562 	value = ctl_get_opt(&cbe_lun->options, "serseq");
564 		cbe_lun->serseq = CTL_LUN_SERSEQ_ON;
566 		cbe_lun->serseq = CTL_LUN_SERSEQ_READ;
568 		cbe_lun->serseq = CTL_LUN_SERSEQ_OFF;
571 		cbe_lun->req_lun_id = params->req_lun_id;
572 		cbe_lun->flags |= CTL_LUN_FLAG_ID_REQ;
574 		cbe_lun->req_lun_id = 0;
576 	cbe_lun->lun_shutdown = ctl_backend_ramdisk_lun_shutdown;
577 	cbe_lun->lun_config_status = ctl_backend_ramdisk_lun_config_status;
578 	cbe_lun->be = &ctl_be_ramdisk_driver;
582 		strncpy((char *)cbe_lun->serial_num, tmpstr,
583 			MIN(sizeof(cbe_lun->serial_num), sizeof(tmpstr)));
589 		strncpy((char *)cbe_lun->serial_num, params->serial_num,
590 			MIN(sizeof(cbe_lun->serial_num),
595 		strncpy((char *)cbe_lun->device_id, tmpstr,
596 			MIN(sizeof(cbe_lun->device_id), sizeof(tmpstr)));
602 		strncpy((char *)cbe_lun->device_id, params->device_id,
603 			MIN(sizeof(cbe_lun->device_id),
633 	retval = ctl_add_lun(&be_lun->cbe_lun);
672 		params->req_lun_id = cbe_lun->lun_id;
685 		ctl_free_opts(&cbe_lun->options);
697 	struct ctl_be_lun *cbe_lun;
707 		if (be_lun->cbe_lun.lun_id == params->lun_id)
717 	cbe_lun = &be_lun->cbe_lun;
721 	ctl_update_opts(&cbe_lun->options, req->num_be_args, req->kern_be_args);
723 	wasprim = (cbe_lun->flags & CTL_LUN_FLAG_PRIMARY);
724 	value = ctl_get_opt(&cbe_lun->options, "ha_role");
727 			cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY;
729 			cbe_lun->flags &= ~CTL_LUN_FLAG_PRIMARY;
731 		cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY;
733 		cbe_lun->flags &= ~CTL_LUN_FLAG_PRIMARY;
734 	if (wasprim != (cbe_lun->flags & CTL_LUN_FLAG_PRIMARY)) {
735 		if (cbe_lun->flags & CTL_LUN_FLAG_PRIMARY)
736 			ctl_lun_primary(cbe_lun);
738 			ctl_lun_secondary(cbe_lun);
741 	blocksize = be_lun->cbe_lun.blocksize;
750 	be_lun->cbe_lun.maxlba = be_lun->size_blocks - 1;
751 	ctl_lun_capacity_changed(&be_lun->cbe_lun);
811 		if (ctl_enable_lun(&lun->cbe_lun) != 0) {
813 			if (ctl_invalidate_lun(&lun->cbe_lun) != 0) {
845 	struct ctl_be_lun *cbe_lun;
848 	cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
883 				ctl_lun_has_media(cbe_lun);
884 			ctl_start_lun(cbe_lun);
886 			ctl_stop_lun(cbe_lun);
888 				ctl_lun_ejected(cbe_lun);