* mutliple PPL area
*/
+/*
+ * This macro let's us ensure that no-one accidentally
+ * changes the size of a struct
+ */
+#define ASSERT_SIZE(_struct, size) \
+static inline void __assert_size_##_struct(void) \
+{ \
+ switch (0) { \
+ case 0: break; \
+ case (sizeof(struct _struct) == size): break; \
+ } \
+}
+
/* Disk configuration info. */
#define IMSM_MAX_DEVICES 255
struct imsm_disk {
#define IMSM_DISK_FILLERS 3
__u32 filler[IMSM_DISK_FILLERS]; /* 0xF5 - 0x107 MPB_DISK_FILLERS for future expansion */
};
+ASSERT_SIZE(imsm_disk, 48)
/* map selector for map managment
*/
__u32 disk_ord_tbl[1]; /* disk_ord_tbl[num_members],
* top byte contains some flags
*/
-} __attribute__ ((packed));
+};
+ASSERT_SIZE(imsm_map, 52)
struct imsm_vol {
__u32 curr_migr_unit;
__u32 filler[4];
struct imsm_map map[1];
/* here comes another one if migr_state */
-} __attribute__ ((packed));
+};
+ASSERT_SIZE(imsm_vol, 84)
struct imsm_dev {
__u8 volume[MAX_RAID_SERIAL_LEN];
#define IMSM_DEV_FILLERS 3
__u32 filler[IMSM_DEV_FILLERS];
struct imsm_vol vol;
-} __attribute__ ((packed));
+};
+ASSERT_SIZE(imsm_dev, 164)
struct imsm_super {
__u8 sig[MAX_SIGNATURE_LENGTH]; /* 0x00 - 0x1F */
struct imsm_disk disk[1]; /* 0xD8 diskTbl[numDisks] */
/* here comes imsm_dev[num_raid_devs] */
/* here comes BBM logs */
-} __attribute__ ((packed));
+};
+ASSERT_SIZE(imsm_super, 264)
#define BBM_LOG_MAX_ENTRIES 254
#define BBM_LOG_MAX_LBA_ENTRY_VAL 256 /* Represents 256 LBAs */
__u32 signature; /* 0xABADB10C */
__u32 entry_count;
struct bbm_log_entry marked_block_entries[BBM_LOG_MAX_ENTRIES];
-} __attribute__ ((__packed__));
+};
+ASSERT_SIZE(bbm_log, 2040)
static char *map_state_str[] = { "normal", "uninitialized", "degraded", "failed" };
* destination - high order 32 bits */
__u32 num_migr_units_hi; /* Total num migration units-of-op
* high order 32 bits */
-} __attribute__ ((__packed__));
+};
+ASSERT_SIZE(migr_record, 64)
struct md_list {
/* usage marker:
static __u32 imsm_min_reserved_sectors(struct intel_super *super);
-static int split_ull(unsigned long long n, __u32 *lo, __u32 *hi)
+static int split_ull(unsigned long long n, void *lo, void *hi)
{
if (lo == 0 || hi == 0)
return 1;
- *lo = __le32_to_cpu((unsigned)n);
- *hi = __le32_to_cpu((unsigned)(n >> 32));
+ __put_unaligned32(__cpu_to_le32((__u32)n), lo);
+ __put_unaligned32(__cpu_to_le32((n >> 32)), hi);
return 0;
}
return 1;
}
-static void detail_super_imsm(struct supertype *st, char *homehost)
+static void detail_super_imsm(struct supertype *st, char *homehost,
+ char *subarray)
{
struct mdinfo info;
char nbuf[64];
+ struct intel_super *super = st->sb;
+ int temp_vol = super->current_vol;
+
+ if (subarray)
+ super->current_vol = strtoul(subarray, NULL, 10);
getinfo_super_imsm(st, &info, NULL);
fname_from_uuid(st, &info, nbuf, ':');
printf("\n UUID : %s\n", nbuf + 5);
+
+ super->current_vol = temp_vol;
}
-static void brief_detail_super_imsm(struct supertype *st)
+static void brief_detail_super_imsm(struct supertype *st, char *subarray)
{
struct mdinfo info;
char nbuf[64];
+ struct intel_super *super = st->sb;
+ int temp_vol = super->current_vol;
+
+ if (subarray)
+ super->current_vol = strtoul(subarray, NULL, 10);
+
getinfo_super_imsm(st, &info, NULL);
fname_from_uuid(st, &info, nbuf, ':');
printf(" UUID=%s", nbuf + 5);
+
+ super->current_vol = temp_vol;
}
-static int imsm_read_serial(int fd, char *devname, __u8 *serial);
+static int imsm_read_serial(int fd, char *devname, __u8 *serial,
+ size_t serial_buf_len);
static void fd2devname(int fd, char *name);
static int ahci_enumerate_ports(const char *hba_path, int port_count, int host_base, int verbose)
else {
fd2devname(fd, buf);
printf(" Port%d : %s", port, buf);
- if (imsm_read_serial(fd, NULL, (__u8 *) buf) == 0)
- printf(" (%.*s)\n", MAX_RAID_SERIAL_LEN, buf);
+ if (imsm_read_serial(fd, NULL, (__u8 *)buf,
+ sizeof(buf)) == 0)
+ printf(" (%s)\n", buf);
else
printf(" ()\n");
close(fd);
return err;
}
-static int print_vmd_attached_devs(struct sys_dev *hba)
+static int print_nvme_info(struct sys_dev *hba)
{
+ char buf[1024];
struct dirent *ent;
DIR *dir;
- char path[292];
- char link[256];
- char *c, *rp;
-
- if (hba->type != SYS_DEV_VMD)
- return 1;
+ char *rp;
+ int fd;
- /* scroll through /sys/dev/block looking for devices attached to
- * this hba
- */
- dir = opendir("/sys/bus/pci/drivers/nvme");
+ dir = opendir("/sys/block/");
if (!dir)
return 1;
for (ent = readdir(dir); ent; ent = readdir(dir)) {
- int n;
-
- /* is 'ent' a device? check that the 'subsystem' link exists and
- * that its target matches 'bus'
- */
- sprintf(path, "/sys/bus/pci/drivers/nvme/%s/subsystem",
- ent->d_name);
- n = readlink(path, link, sizeof(link));
- if (n < 0 || n >= (int)sizeof(link))
- continue;
- link[n] = '\0';
- c = strrchr(link, '/');
- if (!c)
- continue;
- if (strncmp("pci", c+1, strlen("pci")) != 0)
- continue;
-
- sprintf(path, "/sys/bus/pci/drivers/nvme/%s", ent->d_name);
-
- rp = realpath(path, NULL);
- if (!rp)
- continue;
+ if (strstr(ent->d_name, "nvme")) {
+ sprintf(buf, "/sys/block/%s", ent->d_name);
+ rp = realpath(buf, NULL);
+ if (!rp)
+ continue;
+ if (path_attached_to_hba(rp, hba->path)) {
+ fd = open_dev(ent->d_name);
+ if (fd < 0) {
+ free(rp);
+ continue;
+ }
- if (path_attached_to_hba(rp, hba->path)) {
- printf(" NVMe under VMD : %s\n", rp);
+ fd2devname(fd, buf);
+ if (hba->type == SYS_DEV_VMD)
+ 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");
+ close(fd);
+ }
+ free(rp);
}
- free(rp);
}
closedir(dir);
char buf[PATH_MAX];
printf(" I/O Controller : %s (%s)\n",
vmd_domain_to_controller(hba, buf), get_sys_dev_type(hba->type));
- if (print_vmd_attached_devs(hba)) {
+ if (print_nvme_info(hba)) {
if (verbose > 0)
pr_err("failed to get devices attached to VMD domain.\n");
result |= 2;
if (entry->type == SYS_DEV_NVME) {
for (hba = list; hba; hba = hba->next) {
if (hba->type == SYS_DEV_NVME)
- printf(" NVMe Device : %s\n", hba->path);
+ print_nvme_info(hba);
}
printf("\n");
continue;
{
unsigned long long component_size;
unsigned long long dev_size = imsm_dev_size(dev);
- unsigned long long calc_dev_size = 0;
+ long long calc_dev_size = 0;
unsigned int member_disks = imsm_num_data_members(map);
if (member_disks == 0)
* 2048 blocks per each device. If the difference is higher it means
* that array size was expanded and num_data_stripes was not updated.
*/
- if ((unsigned int)abs(calc_dev_size - dev_size) >
+ if (llabs(calc_dev_size - (long long)dev_size) >
(1 << SECT_PER_MB_SHIFT) * member_disks) {
component_size = dev_size / member_disks;
dprintf("Invalid num_data_stripes in metadata; expected=%llu, found=%llu\n",
extern int scsi_get_serial(int fd, void *buf, size_t buf_len);
static int imsm_read_serial(int fd, char *devname,
- __u8 serial[MAX_RAID_SERIAL_LEN])
+ __u8 *serial, size_t serial_buf_len)
{
char buf[50];
int rv;
- int len;
+ size_t len;
char *dest;
char *src;
unsigned int i;
len = dest - buf;
dest = buf;
- /* truncate leading characters */
- if (len > MAX_RAID_SERIAL_LEN) {
- dest += len - MAX_RAID_SERIAL_LEN;
- len = MAX_RAID_SERIAL_LEN;
+ if (len > serial_buf_len) {
+ /* truncate leading characters */
+ dest += len - serial_buf_len;
+ len = serial_buf_len;
}
- memset(serial, 0, MAX_RAID_SERIAL_LEN);
+ memset(serial, 0, serial_buf_len);
memcpy(serial, dest, len);
return 0;
char name[40];
__u8 serial[MAX_RAID_SERIAL_LEN];
- rv = imsm_read_serial(fd, devname, serial);
+ rv = imsm_read_serial(fd, devname, serial, MAX_RAID_SERIAL_LEN);
if (rv != 0)
return 2;
return ret_val;
ret_val = 0;
- if (!imsm_read_serial(disk->fd, NULL, serial)) {
+ if (!imsm_read_serial(disk->fd, NULL, serial, MAX_RAID_SERIAL_LEN)) {
/* Restore disk serial number, because takeover marks disk
* as failed and adds to serial ':0' before it becomes
* a spare disk.
dd->fd = fd;
dd->e = NULL;
dd->action = DISK_ADD;
- rv = imsm_read_serial(fd, devname, dd->serial);
+ rv = imsm_read_serial(fd, devname, dd->serial, MAX_RAID_SERIAL_LEN);
if (rv) {
pr_err("failed to retrieve scsi serial, aborting\n");
if (dd->devname)
maxsize = merge_extents(super, i);
- if (!check_env("IMSM_NO_PLATFORM") &&
- mpb->num_raid_devs > 0 && size && size != maxsize) {
- pr_err("attempting to create a second volume with size less then remaining space. Aborting...\n");
- return 0;
- }
+ if (mpb->num_raid_devs > 0 && size && size != maxsize)
+ pr_err("attempting to create a second volume with size less then remaining space.\n");
if (maxsize < size || maxsize == 0) {
if (verbose) {
}
maxsize = size;
}
- if (!check_env("IMSM_NO_PLATFORM") &&
- mpb->num_raid_devs > 0 && size && size != maxsize) {
- pr_err("attempting to create a second volume with size less then remaining space. Aborting...\n");
- return 0;
- }
+ if (mpb->num_raid_devs > 0 && size && size != maxsize)
+ pr_err("attempting to create a second volume with size less then remaining space.\n");
cnt = 0;
for (dl = super->disks; dl; dl = dl->next)
if (dl->e)
int sb_errors = 0;
struct dl *d;
int spare_disks = 0;
+ int current_vol = super->current_vol;
/* do not assemble arrays when not all attributes are supported */
if (imsm_check_attributes(mpb->attributes) == 0) {
rest = this;
}
+ super->current_vol = current_vol;
return rest;
}
remove_disk_super(super,
disk_cfg->major,
disk_cfg->minor);
+ } else {
+ disk_cfg->fd = disk->fd;
+ disk->fd = -1;
}
}
/* release allocate disk structure */
projects / thirdparty / mdadm.git / blobdiff