void
devlist(int argc, char *argv[])
{
struct nvm_identify_controller cdata;
struct nvm_identify_namespace nsdata;
char name[64];
uint8_t mn[64];
uint32_t i;
int ch, ctrlr, fd, found, ret;
while ((ch = getopt(argc, argv, "")) != -1) {
switch (ch) {
default:
devlist_usage();
}
}
ctrlr = -1;
found = 0;
while (1) {
ctrlr++;
sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr);
ret = open_dev(name, &fd, 0, 0);
if (ret != 0) {
if (ret == EACCES) {
warnx("could not open "_PATH_DEV"%s\n", name);
continue;
} else
break;
}
found++;
read_controller_data(fd, &cdata);
nvme_strvis(mn, sizeof(mn), cdata.mn, sizeof(cdata.mn));
printf("%6s: %s\n", name, mn);
for (i = 0; i < cdata.nn; i++) {
sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr,
NVME_NS_PREFIX, i+1);
read_namespace_data(fd, i+1, &nsdata);
printf(" %10s (%lldMB)\n",
name,
nsdata.nsze *
(long long)ns_get_sector_size(&nsdata) /
1024 / 1024);
}
close(fd);
}
if (found == 0)
printf("No NVMe controllers found.\n");
exit(1);
}
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);
}
