C++ (Cpp) nvme_ns_get_model_number Examples

Example #1

File: nvd.c Project: JabirTech/Source

static void *
nvd_new_disk(struct nvme_namespace *ns, void *ctrlr_arg)
{
	uint8_t			descr[NVME_MODEL_NUMBER_LENGTH+1];
	struct nvd_disk		*ndisk;
	struct disk		*disk;
	struct nvd_controller	*ctrlr = ctrlr_arg;

	ndisk = malloc(sizeof(struct nvd_disk), M_NVD, M_ZERO | M_WAITOK);

	disk = disk_alloc();
	disk->d_strategy = nvd_strategy;
	disk->d_ioctl = nvd_ioctl;
	disk->d_name = NVD_STR;
	disk->d_drv1 = ndisk;

	disk->d_maxsize = nvme_ns_get_max_io_xfer_size(ns);
	disk->d_sectorsize = nvme_ns_get_sector_size(ns);
	disk->d_mediasize = (off_t)nvme_ns_get_size(ns);

	if (TAILQ_EMPTY(&disk_head))
		disk->d_unit = 0;
	else
		disk->d_unit =
		    TAILQ_LAST(&disk_head, disk_list)->disk->d_unit + 1;

	disk->d_flags = 0;

	if (nvme_ns_get_flags(ns) & NVME_NS_DEALLOCATE_SUPPORTED)
		disk->d_flags |= DISKFLAG_CANDELETE;

	if (nvme_ns_get_flags(ns) & NVME_NS_FLUSH_SUPPORTED)
		disk->d_flags |= DISKFLAG_CANFLUSHCACHE;

/* ifdef used here to ease porting to stable branches at a later point. */
#ifdef DISKFLAG_UNMAPPED_BIO
	disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
#endif

	/*
	 * d_ident and d_descr are both far bigger than the length of either
	 *  the serial or model number strings.
	 */
	nvme_strvis(disk->d_ident, nvme_ns_get_serial_number(ns),
	    sizeof(disk->d_ident), NVME_SERIAL_NUMBER_LENGTH);

	nvme_strvis(descr, nvme_ns_get_model_number(ns), sizeof(descr),
	    NVME_MODEL_NUMBER_LENGTH);

#if __FreeBSD_version >= 900034
	strlcpy(disk->d_descr, descr, sizeof(descr));
#endif

	ndisk->ns = ns;
	ndisk->disk = disk;
	ndisk->cur_depth = 0;

	mtx_init(&ndisk->bioqlock, "NVD bioq lock", NULL, MTX_DEF);
	bioq_init(&ndisk->bioq);

	TASK_INIT(&ndisk->bioqtask, 0, nvd_bioq_process, ndisk);
	ndisk->tq = taskqueue_create("nvd_taskq", M_WAITOK,
	    taskqueue_thread_enqueue, &ndisk->tq);
	taskqueue_start_threads(&ndisk->tq, 1, PI_DISK, "nvd taskq");

	TAILQ_INSERT_TAIL(&disk_head, ndisk, global_tailq);
	TAILQ_INSERT_TAIL(&ctrlr->disk_head, ndisk, ctrlr_tailq);

	disk_create(disk, DISK_VERSION);

	printf(NVD_STR"%u: <%s> NVMe namespace\n", disk->d_unit, descr);
	printf(NVD_STR"%u: %juMB (%ju %u byte sectors)\n", disk->d_unit,
		(uintmax_t)disk->d_mediasize / (1024*1024),
		(uintmax_t)disk->d_mediasize / disk->d_sectorsize,
		disk->d_sectorsize);

	return (NULL);
}

Example #2

File: nvd.c Project: rchander/freebsd

static void *
nvd_new_disk(struct nvme_namespace *ns, void *ctrlr_arg)
{
	struct nvd_disk		*ndisk;
	struct disk		*disk;
	struct nvd_controller	*ctrlr = ctrlr_arg;

	ndisk = malloc(sizeof(struct nvd_disk), M_NVD, M_ZERO | M_WAITOK);

	disk = disk_alloc();
	disk->d_strategy = nvd_strategy;
	disk->d_ioctl = nvd_ioctl;
	disk->d_name = "nvd";
	disk->d_drv1 = ndisk;

	disk->d_maxsize = nvme_ns_get_max_io_xfer_size(ns);
	disk->d_sectorsize = nvme_ns_get_sector_size(ns);
	disk->d_mediasize = (off_t)nvme_ns_get_size(ns);

	if (TAILQ_EMPTY(&disk_head))
		disk->d_unit = 0;
	else
		disk->d_unit =
		    TAILQ_LAST(&disk_head, disk_list)->disk->d_unit + 1;

	disk->d_flags = 0;

	if (nvme_ns_get_flags(ns) & NVME_NS_DEALLOCATE_SUPPORTED)
		disk->d_flags |= DISKFLAG_CANDELETE;

	if (nvme_ns_get_flags(ns) & NVME_NS_FLUSH_SUPPORTED)
		disk->d_flags |= DISKFLAG_CANFLUSHCACHE;

/* ifdef used here to ease porting to stable branches at a later point. */
#ifdef DISKFLAG_UNMAPPED_BIO
	disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
#endif

	strlcpy(disk->d_ident, nvme_ns_get_serial_number(ns),
	    sizeof(disk->d_ident));

#if __FreeBSD_version >= 900034
	strlcpy(disk->d_descr, nvme_ns_get_model_number(ns),
	    sizeof(disk->d_descr));
#endif

	disk_create(disk, DISK_VERSION);

	ndisk->ns = ns;
	ndisk->disk = disk;
	ndisk->cur_depth = 0;

	mtx_init(&ndisk->bioqlock, "NVD bioq lock", NULL, MTX_DEF);
	bioq_init(&ndisk->bioq);

	TASK_INIT(&ndisk->bioqtask, 0, nvd_bioq_process, ndisk);
	ndisk->tq = taskqueue_create("nvd_taskq", M_WAITOK,
	    taskqueue_thread_enqueue, &ndisk->tq);
	taskqueue_start_threads(&ndisk->tq, 1, PI_DISK, "nvd taskq");

	TAILQ_INSERT_TAIL(&disk_head, ndisk, global_tailq);
	TAILQ_INSERT_TAIL(&ctrlr->disk_head, ndisk, ctrlr_tailq);

	return (NULL);
}