imsm: Limit support to the lowest namespace
First namespace existence is not quaranted by NVMe specification. Instead first the smallest one shall be chosen. Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com> Signed-off-by: Jes Sorensen <jsorensen@fb.com>
This commit is contained in:
parent
fcebeb77b1
commit
8662f92d71
|
@ -879,36 +879,75 @@ char *vmd_domain_to_controller(struct sys_dev *hba, char *buf)
|
||||||
closedir(dir);
|
closedir(dir);
|
||||||
return NULL;
|
return NULL;
|
||||||
}
|
}
|
||||||
/* Verify that NVMe drive is supported by IMSM
|
|
||||||
|
/* Scan over all controller's namespaces and compare nsid value to verify if
|
||||||
|
* current one is supported. The routine doesn't check IMSM capabilities for
|
||||||
|
* namespace. Only one nvme namespace is supported by IMSM.
|
||||||
|
* Paramteres:
|
||||||
|
* fd - open descriptor to the nvme namespace
|
||||||
|
* verbose - error logging level
|
||||||
* Returns:
|
* Returns:
|
||||||
* 0 - not supported
|
* 1 - if namespace is supported
|
||||||
* 1 - supported
|
* 0 - otherwise
|
||||||
*/
|
*/
|
||||||
int imsm_is_nvme_supported(int disk_fd, int verbose)
|
int imsm_is_nvme_namespace_supported(int fd, int verbose)
|
||||||
{
|
{
|
||||||
char nsid_path[PATH_MAX];
|
DIR *dir = NULL;
|
||||||
char buf[PATH_MAX];
|
struct dirent *ent;
|
||||||
struct stat stb;
|
char cntrl_path[PATH_MAX];
|
||||||
|
char ns_path[PATH_MAX];
|
||||||
|
unsigned long long lowest_nsid = ULLONG_MAX;
|
||||||
|
unsigned long long this_nsid;
|
||||||
|
int rv = 0;
|
||||||
|
|
||||||
if (disk_fd < 0)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
if (fstat(disk_fd, &stb))
|
if (!diskfd_to_devpath(fd, 1, cntrl_path) ||
|
||||||
return 0;
|
!diskfd_to_devpath(fd, 0, ns_path)) {
|
||||||
|
|
||||||
snprintf(nsid_path, PATH_MAX-1, "/sys/dev/block/%d:%d/nsid",
|
|
||||||
major(stb.st_rdev), minor(stb.st_rdev));
|
|
||||||
|
|
||||||
if (load_sys(nsid_path, buf, sizeof(buf))) {
|
|
||||||
pr_err("Cannot read %s, rejecting drive\n", nsid_path);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
if (strtoll(buf, NULL, 10) != 1) {
|
|
||||||
if (verbose)
|
if (verbose)
|
||||||
pr_err("Only first namespace is supported by IMSM, aborting\n");
|
pr_err("Cannot get device paths\n");
|
||||||
return 0;
|
goto abort;
|
||||||
}
|
}
|
||||||
return 1;
|
|
||||||
|
|
||||||
|
if (devpath_to_ll(ns_path, "nsid", &this_nsid)) {
|
||||||
|
if (verbose)
|
||||||
|
pr_err("Cannot read nsid value for %s",
|
||||||
|
basename(ns_path));
|
||||||
|
goto abort;
|
||||||
|
}
|
||||||
|
|
||||||
|
dir = opendir(cntrl_path);
|
||||||
|
if (!dir)
|
||||||
|
goto abort;
|
||||||
|
|
||||||
|
/* The lowest nvme namespace is supported */
|
||||||
|
for (ent = readdir(dir); ent; ent = readdir(dir)) {
|
||||||
|
unsigned long long curr_nsid;
|
||||||
|
char curr_ns_path[PATH_MAX + 256];
|
||||||
|
|
||||||
|
if (!strstr(ent->d_name, "nvme"))
|
||||||
|
continue;
|
||||||
|
|
||||||
|
snprintf(curr_ns_path, sizeof(curr_ns_path), "%s/%s",
|
||||||
|
cntrl_path, ent->d_name);
|
||||||
|
|
||||||
|
if (devpath_to_ll(curr_ns_path, "nsid", &curr_nsid))
|
||||||
|
goto abort;
|
||||||
|
|
||||||
|
if (lowest_nsid > curr_nsid)
|
||||||
|
lowest_nsid = curr_nsid;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (this_nsid == lowest_nsid)
|
||||||
|
rv = 1;
|
||||||
|
else if (verbose)
|
||||||
|
pr_err("IMSM is supported on the lowest NVMe namespace\n");
|
||||||
|
|
||||||
|
abort:
|
||||||
|
if (dir)
|
||||||
|
closedir(dir);
|
||||||
|
|
||||||
|
return rv;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Verify if multipath is supported by NVMe controller
|
/* Verify if multipath is supported by NVMe controller
|
||||||
|
|
|
@ -254,6 +254,6 @@ const struct orom_entry *get_orom_entry_by_device_id(__u16 dev_id);
|
||||||
const struct imsm_orom *get_orom_by_device_id(__u16 device_id);
|
const struct imsm_orom *get_orom_by_device_id(__u16 device_id);
|
||||||
struct sys_dev *device_by_id(__u16 device_id);
|
struct sys_dev *device_by_id(__u16 device_id);
|
||||||
struct sys_dev *device_by_id_and_path(__u16 device_id, const char *path);
|
struct sys_dev *device_by_id_and_path(__u16 device_id, const char *path);
|
||||||
int imsm_is_nvme_supported(int disk_fd, int verbose);
|
|
||||||
int is_multipath_nvme(int disk_fd);
|
int is_multipath_nvme(int disk_fd);
|
||||||
|
int imsm_is_nvme_namespace_supported(int disk_fd, int verbose);
|
||||||
char *vmd_domain_to_controller(struct sys_dev *hba, char *buf);
|
char *vmd_domain_to_controller(struct sys_dev *hba, char *buf);
|
||||||
|
|
124
super-intel.c
124
super-intel.c
|
@ -2381,49 +2381,51 @@ static int ahci_enumerate_ports(const char *hba_path, int port_count, int host_b
|
||||||
|
|
||||||
static int print_nvme_info(struct sys_dev *hba)
|
static int print_nvme_info(struct sys_dev *hba)
|
||||||
{
|
{
|
||||||
char buf[1024];
|
|
||||||
char *device_path;
|
|
||||||
struct dirent *ent;
|
struct dirent *ent;
|
||||||
DIR *dir;
|
DIR *dir;
|
||||||
int fd;
|
|
||||||
|
|
||||||
dir = opendir("/sys/block/");
|
dir = opendir("/sys/block/");
|
||||||
if (!dir)
|
if (!dir)
|
||||||
return 1;
|
return 1;
|
||||||
|
|
||||||
for (ent = readdir(dir); ent; ent = readdir(dir)) {
|
for (ent = readdir(dir); ent; ent = readdir(dir)) {
|
||||||
if (strstr(ent->d_name, "nvme")) {
|
char ns_path[PATH_MAX];
|
||||||
fd = open_dev(ent->d_name);
|
char cntrl_path[PATH_MAX];
|
||||||
if (fd < 0)
|
char buf[PATH_MAX];
|
||||||
continue;
|
int fd = -1;
|
||||||
|
|
||||||
if (!imsm_is_nvme_supported(fd, 0)) {
|
if (!strstr(ent->d_name, "nvme"))
|
||||||
if (fd >= 0)
|
goto skip;
|
||||||
close(fd);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
device_path = diskfd_to_devpath(fd, 1, NULL);
|
fd = open_dev(ent->d_name);
|
||||||
if (!device_path) {
|
if (fd < 0)
|
||||||
close(fd);
|
goto skip;
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (path_attached_to_hba(device_path, hba->path)) {
|
if (!diskfd_to_devpath(fd, 0, ns_path) ||
|
||||||
fd2devname(fd, buf);
|
!diskfd_to_devpath(fd, 1, cntrl_path))
|
||||||
if (hba->type == SYS_DEV_VMD)
|
goto skip;
|
||||||
printf(" NVMe under VMD : %s", buf);
|
|
||||||
else if (hba->type == SYS_DEV_NVME)
|
if (!path_attached_to_hba(cntrl_path, hba->path))
|
||||||
printf(" NVMe Device : %s", buf);
|
goto skip;
|
||||||
if (!imsm_read_serial(fd, NULL, (__u8 *)buf,
|
|
||||||
sizeof(buf)))
|
if (!imsm_is_nvme_namespace_supported(fd, 0))
|
||||||
printf(" (%s)\n", buf);
|
goto skip;
|
||||||
else
|
|
||||||
printf("()\n");
|
fd2devname(fd, buf);
|
||||||
}
|
if (hba->type == SYS_DEV_VMD)
|
||||||
free(device_path);
|
printf(" NVMe under VMD : %s", buf);
|
||||||
|
else if (hba->type == SYS_DEV_NVME)
|
||||||
|
printf(" NVMe Device : %s", buf);
|
||||||
|
|
||||||
|
if (!imsm_read_serial(fd, NULL, (__u8 *)buf,
|
||||||
|
sizeof(buf)))
|
||||||
|
printf(" (%s)\n", buf);
|
||||||
|
else
|
||||||
|
printf("()\n");
|
||||||
|
|
||||||
|
skip:
|
||||||
|
if (fd > -1)
|
||||||
close(fd);
|
close(fd);
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
closedir(dir);
|
closedir(dir);
|
||||||
|
@ -5933,14 +5935,8 @@ static int add_to_super_imsm(struct supertype *st, mdu_disk_info_t *dk,
|
||||||
|
|
||||||
if (!diskfd_to_devpath(fd, 2, pci_dev_path) ||
|
if (!diskfd_to_devpath(fd, 2, pci_dev_path) ||
|
||||||
!diskfd_to_devpath(fd, 1, cntrl_path)) {
|
!diskfd_to_devpath(fd, 1, cntrl_path)) {
|
||||||
pr_err("failed to get dev_path, aborting\n");
|
pr_err("failed to get dev paths, aborting\n");
|
||||||
if (dd->devname)
|
|
||||||
free(dd->devname);
|
|
||||||
free(dd);
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!imsm_is_nvme_supported(dd->fd, 1)) {
|
|
||||||
if (dd->devname)
|
if (dd->devname)
|
||||||
free(dd->devname);
|
free(dd->devname);
|
||||||
free(dd);
|
free(dd);
|
||||||
|
@ -6665,7 +6661,7 @@ static int validate_geometry_imsm_container(struct supertype *st, int level,
|
||||||
{
|
{
|
||||||
int fd;
|
int fd;
|
||||||
unsigned long long ldsize;
|
unsigned long long ldsize;
|
||||||
struct intel_super *super;
|
struct intel_super *super = NULL;
|
||||||
int rv = 0;
|
int rv = 0;
|
||||||
|
|
||||||
if (level != LEVEL_CONTAINER)
|
if (level != LEVEL_CONTAINER)
|
||||||
|
@ -6680,24 +6676,18 @@ static int validate_geometry_imsm_container(struct supertype *st, int level,
|
||||||
dev, strerror(errno));
|
dev, strerror(errno));
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
if (!get_dev_size(fd, dev, &ldsize)) {
|
if (!get_dev_size(fd, dev, &ldsize))
|
||||||
close(fd);
|
goto exit;
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* capabilities retrieve could be possible
|
/* capabilities retrieve could be possible
|
||||||
* note that there is no fd for the disks in array.
|
* note that there is no fd for the disks in array.
|
||||||
*/
|
*/
|
||||||
super = alloc_super();
|
super = alloc_super();
|
||||||
if (!super) {
|
if (!super)
|
||||||
close(fd);
|
goto exit;
|
||||||
return 0;
|
|
||||||
}
|
if (!get_dev_sector_size(fd, NULL, &super->sector_size))
|
||||||
if (!get_dev_sector_size(fd, NULL, &super->sector_size)) {
|
goto exit;
|
||||||
close(fd);
|
|
||||||
free_imsm(super);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
rv = find_intel_hba_capability(fd, super, verbose > 0 ? dev : NULL);
|
rv = find_intel_hba_capability(fd, super, verbose > 0 ? dev : NULL);
|
||||||
if (rv != 0) {
|
if (rv != 0) {
|
||||||
|
@ -6708,32 +6698,42 @@ static int validate_geometry_imsm_container(struct supertype *st, int level,
|
||||||
fd, str, super->orom, rv, raiddisks);
|
fd, str, super->orom, rv, raiddisks);
|
||||||
#endif
|
#endif
|
||||||
/* no orom/efi or non-intel hba of the disk */
|
/* no orom/efi or non-intel hba of the disk */
|
||||||
close(fd);
|
rv = 0;
|
||||||
free_imsm(super);
|
goto exit;
|
||||||
return 0;
|
|
||||||
}
|
}
|
||||||
close(fd);
|
|
||||||
if (super->orom) {
|
if (super->orom) {
|
||||||
if (raiddisks > super->orom->tds) {
|
if (raiddisks > super->orom->tds) {
|
||||||
if (verbose)
|
if (verbose)
|
||||||
pr_err("%d exceeds maximum number of platform supported disks: %d\n",
|
pr_err("%d exceeds maximum number of platform supported disks: %d\n",
|
||||||
raiddisks, super->orom->tds);
|
raiddisks, super->orom->tds);
|
||||||
free_imsm(super);
|
goto exit;
|
||||||
return 0;
|
|
||||||
}
|
}
|
||||||
if ((super->orom->attr & IMSM_OROM_ATTR_2TB_DISK) == 0 &&
|
if ((super->orom->attr & IMSM_OROM_ATTR_2TB_DISK) == 0 &&
|
||||||
(ldsize >> 9) >> 32 > 0) {
|
(ldsize >> 9) >> 32 > 0) {
|
||||||
if (verbose)
|
if (verbose)
|
||||||
pr_err("%s exceeds maximum platform supported size\n", dev);
|
pr_err("%s exceeds maximum platform supported size\n", dev);
|
||||||
free_imsm(super);
|
goto exit;
|
||||||
return 0;
|
}
|
||||||
|
|
||||||
|
if (super->hba->type == SYS_DEV_VMD ||
|
||||||
|
super->hba->type == SYS_DEV_NVME) {
|
||||||
|
if (!imsm_is_nvme_namespace_supported(fd, 1)) {
|
||||||
|
if (verbose)
|
||||||
|
pr_err("NVMe namespace %s is not supported by IMSM\n",
|
||||||
|
basename(dev));
|
||||||
|
goto exit;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
*freesize = avail_size_imsm(st, ldsize >> 9, data_offset);
|
*freesize = avail_size_imsm(st, ldsize >> 9, data_offset);
|
||||||
free_imsm(super);
|
rv = 1;
|
||||||
|
exit:
|
||||||
|
if (super)
|
||||||
|
free_imsm(super);
|
||||||
|
close(fd);
|
||||||
|
|
||||||
return 1;
|
return rv;
|
||||||
}
|
}
|
||||||
|
|
||||||
static unsigned long long find_size(struct extent *e, int *idx, int num_extents)
|
static unsigned long long find_size(struct extent *e, int *idx, int num_extents)
|
||||||
|
|
Loading…
Reference in New Issue