#define EFI_PMBR_OSTYPE 0xEE
#define MSDOS_MBR_SIGNATURE 0xAA55
-#define GPT_PART_NAME_LEN 72 / sizeof(uint16_t)
+#define GPT_PART_NAME_LEN (72 / sizeof(uint16_t))
#define GPT_NPARTITIONS 128
/* Globally unique identifier */
/*
* Attribute bits
*/
-struct gpt_attr {
- uint64_t required_to_function:1;
- uint64_t no_blockio_protocol:1;
- uint64_t legacy_bios_bootable:1;
- uint64_t reserved:45;
- uint64_t guid_secific:16;
-} __attribute__ ((packed));
+enum {
+ /* UEFI specific */
+ GPT_ATTRBIT_REQ = 0,
+ GPT_ATTRBIT_NOBLOCK = 1,
+ GPT_ATTRBIT_LEGACY = 2,
+
+ /* GUID specific (range 48..64)*/
+ GPT_ATTRBIT_GUID_FIRST = 48,
+ GPT_ATTRBIT_GUID_COUNT = 16
+};
+
+#define GPT_ATTRSTR_REQ "RequiredPartiton"
+#define GPT_ATTRSTR_NOBLOCK "NoBlockIOProtocol"
+#define GPT_ATTRSTR_LEGACY "LegacyBIOSBootable"
/* The GPT Partition entry array contains an array of GPT entries. */
struct gpt_entry {
struct gpt_guid partition_guid;
uint64_t lba_start;
uint64_t lba_end;
- struct gpt_attr attr;
+ uint64_t attrs;
uint16_t name[GPT_PART_NAME_LEN];
} __attribute__ ((packed));
uint32_t size; /* in bytes */
uint32_t crc32; /* header CRC checksum */
uint32_t reserved1; /* must be 0 */
- uint64_t my_lba; /* LBA that contains this struct (LBA 1) */
+ uint64_t my_lba; /* LBA of block that contains this struct (LBA 1) */
uint64_t alternative_lba; /* backup GPT header */
uint64_t first_usable_lba; /* first usable logical block for partitions */
uint64_t last_usable_lba; /* last usable logical block for partitions */
struct gpt_guid disk_guid; /* unique disk identifier */
- uint64_t partition_entry_lba; /* stat LBA of the partition entry array */
+ uint64_t partition_entry_lba; /* LBA of start of partition entries array */
uint32_t npartition_entries; /* total partition entries - normally 128 */
uint32_t sizeof_partition_entry; /* bytes for each GUID pt */
uint32_t partition_entry_array_crc32; /* partition CRC checksum */
- uint8_t reserved2[512 - 92]; /* must be 0 */
+ uint8_t reserved2[512 - 92]; /* must all be 0 */
} __attribute__ ((packed));
struct gpt_record {
DEF_GUID("C12A7328-F81F-11D2-BA4B-00A0C93EC93B", N_("EFI System")),
DEF_GUID("024DEE41-33E7-11D3-9D69-0008C781F39F", N_("MBR partition scheme")),
+ DEF_GUID("D3BFE2DE-3DAF-11DF-BA40-E3A556D89593", N_("Intel Fast Flash")),
+
/* Hah!IdontneedEFI */
- DEF_GUID("21686148-6449-6E6F-744E-656564454649", N_("BIOS boot partition")),
+ DEF_GUID("21686148-6449-6E6F-744E-656564454649", N_("BIOS boot")),
/* Windows */
DEF_GUID("E3C9E316-0B5C-4DB8-817D-F92DF00215AE", N_("Microsoft reserved")),
DEF_GUID("AF9B60A0-1431-4F62-BC68-3311714A69AD", N_("Microsoft LDM data")),
DEF_GUID("DE94BBA4-06D1-4D40-A16A-BFD50179D6AC", N_("Windows recovery environment")),
DEF_GUID("37AFFC90-EF7D-4E96-91C3-2D7AE055B174", N_("IBM General Parallel Fs")),
+ DEF_GUID("E75CAF8F-F680-4CEE-AFA3-B001E56EFC2D", N_("Microsoft Storage Spaces")),
/* HP-UX */
- DEF_GUID("75894C1E-3AEB-11D3-B7C1-7B03A0000000", N_("HP-UX data partition")),
- DEF_GUID("E2A1E728-32E3-11D6-A682-7B03A0000000", N_("HP-UX service partition")),
+ DEF_GUID("75894C1E-3AEB-11D3-B7C1-7B03A0000000", N_("HP-UX data")),
+ DEF_GUID("E2A1E728-32E3-11D6-A682-7B03A0000000", N_("HP-UX service")),
- /* Linux */
+ /* Linux (http://www.freedesktop.org/wiki/Specifications/DiscoverablePartitionsSpec) */
+ DEF_GUID("0657FD6D-A4AB-43C4-84E5-0933C84B4F4F", N_("Linux swap")),
DEF_GUID("0FC63DAF-8483-4772-8E79-3D69D8477DE4", N_("Linux filesystem")),
+ DEF_GUID("3B8F8425-20E0-4F3B-907F-1A25A76F98E8", N_("Linux server data")),
+ DEF_GUID("44479540-F297-41B2-9AF7-D131D5F0458A", N_("Linux root (x86)")),
+ DEF_GUID("4F68BCE3-E8CD-4DB1-96E7-FBCAF984B709", N_("Linux root (x86-64)")),
+ DEF_GUID("8DA63339-0007-60C0-C436-083AC8230908", N_("Linux reserved")),
+ DEF_GUID("933AC7E1-2EB4-4F13-B844-0E14E2AEF915", N_("Linux home")),
DEF_GUID("A19D880F-05FC-4D3B-A006-743F0F84911E", N_("Linux RAID")),
- DEF_GUID("0657FD6D-A4AB-43C4-84E5-0933C84B4F4F", N_("Linux swap")),
+ DEF_GUID("BC13C2FF-59E6-4262-A352-B275FD6F7172", N_("Linux extended boot")),
DEF_GUID("E6D6D379-F507-44C2-A23C-238F2A3DF928", N_("Linux LVM")),
- DEF_GUID("8DA63339-0007-60C0-C436-083AC8230908", N_("Linux reserved")),
/* FreeBSD */
DEF_GUID("516E7CB4-6ECF-11D6-8FF8-00022D09712B", N_("FreeBSD data")),
};
static void gpt_deinit(struct fdisk_label *lb);
-static struct fdisk_parttype *gpt_get_partition_type(struct fdisk_context *cxt, size_t i);
static inline struct fdisk_gpt_label *self_label(struct fdisk_context *cxt)
{
return start > end ? 0 : end - start + 1ULL;
}
-#ifdef CONFIG_LIBFDISK_DEBUG
/* prints UUID in the real byte order! */
-static void dbgprint_uuid(const char *mesg, struct gpt_guid *guid)
+static void gpt_debug_uuid(const char *mesg, struct gpt_guid *guid)
{
const unsigned char *uuid = (unsigned char *) guid;
uuid[8], uuid[9],
uuid[10], uuid[11], uuid[12], uuid[13], uuid[14],uuid[15]);
}
-#endif
/*
* UUID is traditionally 16 byte big-endian array, except Intel EFI
return 0;
}
-static char *guid_to_string(struct gpt_guid *guid, char *out)
+static char *guid_to_string(const struct gpt_guid *guid, char *out)
{
struct gpt_guid u = *guid; /* LE */
return out;
}
+static struct fdisk_parttype *gpt_partition_parttype(
+ struct fdisk_context *cxt,
+ const struct gpt_entry *e)
+{
+ struct fdisk_parttype *t;
+ char str[37];
+
+ guid_to_string(&e->type, str);
+ t = fdisk_label_get_parttype_from_string(cxt->label, str);
+ return t ? : fdisk_new_unknown_parttype(0, str);
+}
+
+static void gpt_entry_set_type(struct gpt_entry *e, struct gpt_guid *uuid)
+{
+ e->type = *uuid;
+ DBG(LABEL, gpt_debug_uuid("new type", &(e->type)));
+}
+
+static void gpt_entry_set_name(struct gpt_entry *e, char *str)
+{
+ char name[GPT_PART_NAME_LEN] = { 0 };
+ size_t i, sz = strlen(str);
+
+ if (sz) {
+ if (sz > GPT_PART_NAME_LEN)
+ sz = GPT_PART_NAME_LEN;
+ memcpy(name, str, sz);
+ }
+
+ for (i = 0; i < GPT_PART_NAME_LEN; i++)
+ e->name[i] = cpu_to_le16((uint16_t) name[i]);
+}
+
+static int gpt_entry_set_uuid(struct gpt_entry *e, char *str)
+{
+ struct gpt_guid uuid;
+ int rc;
+
+ rc = string_to_guid(str, &uuid);
+ if (rc)
+ return rc;
+
+ e->partition_guid = uuid;
+ return 0;
+}
+
+
static const char *gpt_get_header_revstr(struct gpt_header *header)
{
if (!header)
static int gpt_mknew_pmbr(struct fdisk_context *cxt)
{
struct gpt_legacy_mbr *pmbr = NULL;
+ int rc;
if (!cxt || !cxt->firstsector)
return -ENOSYS;
- fdisk_zeroize_firstsector(cxt);
+ rc = fdisk_init_firstsector_buffer(cxt);
+ if (rc)
+ return rc;
pmbr = (struct gpt_legacy_mbr *) cxt->firstsector;
return 0;
}
+static struct gpt_header *gpt_copy_header(struct fdisk_context *cxt,
+ struct gpt_header *src)
+{
+ struct gpt_header *res;
+
+ if (!cxt || !src)
+ return NULL;
+
+ res = calloc(1, sizeof(*res));
+ if (!res) {
+ fdisk_warn(cxt, _("failed to allocate GPT header"));
+ return NULL;
+ }
+
+ res->my_lba = src->alternative_lba;
+ res->alternative_lba = src->my_lba;
+
+ res->signature = src->signature;
+ res->revision = src->revision;
+ res->size = src->size;
+ res->npartition_entries = src->npartition_entries;
+ res->sizeof_partition_entry = src->sizeof_partition_entry;
+ res->first_usable_lba = src->first_usable_lba;
+ res->last_usable_lba = src->last_usable_lba;
+
+ memcpy(&res->disk_guid, &src->disk_guid, sizeof(src->disk_guid));
+
+
+ if (res->my_lba == GPT_PRIMARY_PARTITION_TABLE_LBA)
+ res->partition_entry_lba = cpu_to_le64(2);
+ else {
+ uint64_t esz = le32_to_cpu(src->npartition_entries) * sizeof(struct gpt_entry);
+ uint64_t esects = (esz + cxt->sector_size - 1) / cxt->sector_size;
+
+ res->partition_entry_lba = cpu_to_le64(cxt->total_sectors - 1 - esects);
+ }
+
+ return res;
+}
+
+static void count_first_last_lba(struct fdisk_context *cxt,
+ uint64_t *first, uint64_t *last)
+{
+ uint64_t esz = 0;
+
+ assert(cxt);
+
+ esz = sizeof(struct gpt_entry) * GPT_NPARTITIONS / cxt->sector_size;
+ *last = cxt->total_sectors - 2 - esz;
+ *first = esz + 2;
+
+ if (*first < cxt->first_lba && cxt->first_lba < *last)
+ /* Align according to topology */
+ *first = cxt->first_lba;
+}
+
/*
* Builds a clean new GPT header (currently under revision 1.0).
*
static int gpt_mknew_header(struct fdisk_context *cxt,
struct gpt_header *header, uint64_t lba)
{
- uint64_t esz = 0, first, last;
+ uint64_t first, last;
+ int has_id = 0;
if (!cxt || !header)
return -ENOSYS;
- esz = sizeof(struct gpt_entry) * GPT_NPARTITIONS / cxt->sector_size;
-
header->signature = cpu_to_le64(GPT_HEADER_SIGNATURE);
header->revision = cpu_to_le32(GPT_HEADER_REVISION_V1_00);
header->size = cpu_to_le32(sizeof(struct gpt_header));
/*
- * 128 partitions is the default. It can go behond this, however,
+ * 128 partitions are the default. It can go beyond that, but
* we're creating a de facto header here, so no funny business.
*/
header->npartition_entries = cpu_to_le32(GPT_NPARTITIONS);
header->sizeof_partition_entry = cpu_to_le32(sizeof(struct gpt_entry));
- last = cxt->total_sectors - 2 - esz;
- first = esz + 2;
-
- if (first < cxt->first_lba && cxt->first_lba < last)
- /* Align according to topology */
- first = cxt->first_lba;
-
+ count_first_last_lba(cxt, &first, &last);
header->first_usable_lba = cpu_to_le64(first);
header->last_usable_lba = cpu_to_le64(last);
gpt_mknew_header_common(cxt, header, lba);
- uuid_generate_random((unsigned char *) &header->disk_guid);
- swap_efi_guid(&header->disk_guid);
+ if (cxt->script) {
+ const char *id = fdisk_script_get_header(cxt->script, "label-id");
+ if (id && string_to_guid(id, &header->disk_guid) == 0)
+ has_id = 1;
+ }
+
+ if (!has_id) {
+ uuid_generate_random((unsigned char *) &header->disk_guid);
+ swap_efi_guid(&header->disk_guid);
+ }
return 0;
}
* the disk size.
*
* Hybrid MBRs do not necessarily comply with this.
+ *
+ * Consider a bad value here to be a warning to support dd-ing
+ * an image from a smaller disk to a bigger disk.
*/
if (ret == GPT_MBR_PROTECTIVE) {
sz_lba = le32_to_cpu(pmbr->partition_record[part].size_in_lba);
- if (sz_lba != (uint32_t) cxt->total_sectors - 1 && sz_lba != 0xFFFFFFFF)
- ret = 0;
+ if (sz_lba != (uint32_t) cxt->total_sectors - 1 && sz_lba != 0xFFFFFFFF) {
+ fdisk_warnx(cxt, _("GPT PMBR size mismatch (%u != %u) "
+ "will be corrected by w(rite)."),
+ sz_lba,
+ (uint32_t) cxt->total_sectors - 1);
+ fdisk_label_set_changed(cxt->label, 1);
+ }
}
done:
return ret;
static uint64_t last_lba(struct fdisk_context *cxt)
{
struct stat s;
+ uint64_t sectors = 0;
memset(&s, 0, sizeof(s));
if (fstat(cxt->dev_fd, &s) == -1) {
}
if (S_ISBLK(s.st_mode))
- return cxt->total_sectors - 1;
- else if (S_ISREG(s.st_mode)) {
- uint64_t sectors = s.st_size >> cxt->sector_size;
- return (sectors / cxt->sector_size) - 1ULL;
- } else
+ sectors = cxt->total_sectors - 1;
+ else if (S_ISREG(s.st_mode))
+ sectors = ((uint64_t) s.st_size /
+ (uint64_t) cxt->sector_size) - 1ULL;
+ else
fdisk_warnx(cxt, _("gpt: cannot handle files with mode %o"), s.st_mode);
- return 0;
+
+ DBG(LABEL, ul_debug("GPT last LBA: %ju", sectors));
+ return sectors;
}
static ssize_t read_lba(struct fdisk_context *cxt, uint64_t lba,
/* check if first and last usable LBA make sense */
if (lu < fu) {
- DBG(LABEL, dbgprint("error: header last LBA is before first LBA"));
+ DBG(LABEL, ul_debug("error: header last LBA is before first LBA"));
goto done;
}
/* check if first and last usable LBAs with the disk's last LBA */
if (fu > lastlba || lu > lastlba) {
- DBG(LABEL, dbgprint("error: header LBAs are after the disk's last LBA"));
+ DBG(LABEL, ul_debug("error: header LBAs are after the disk's last LBA"));
goto done;
}
/* the header has to be outside usable range */
if (fu < GPT_PRIMARY_PARTITION_TABLE_LBA &&
GPT_PRIMARY_PARTITION_TABLE_LBA < lu) {
- DBG(LABEL, dbgprint("error: header outside of usable range"));
+ DBG(LABEL, ul_debug("error: header outside of usable range"));
goto done;
}
else
free(ents);
+ DBG(LABEL, ul_debug("found valid GPT Header on LBA %ju", lba));
return header;
invalid:
free(header);
free(ents);
+
+ DBG(LABEL, ul_debug("read GPT Header on LBA %ju failed", lba));
return NULL;
}
}
/*
- * Check if partition e1 overlaps with partition e2
+ * Check if partition e1 overlaps with partition e2.
*/
static inline int partition_overlap(struct gpt_entry *e1, struct gpt_entry *e2)
{
}
/*
- * Find any paritions that overlap.
+ * Find any partitions that overlap.
*/
static uint32_t partition_check_overlaps(struct gpt_header *header, struct gpt_entry *e)
{
partition_unused(&e[j]))
continue;
if (partition_overlap(&e[i], &e[j])) {
- DBG(LABEL, dbgprint("GPT partitions overlap detected [%u vs. %u]", i, j));
+ DBG(LABEL, ul_debug("GPT partitions overlap detected [%u vs. %u]", i, j));
return i + 1;
}
}
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
+ /* TODO: it would be nice to support scenario when GPT headers are OK,
+ * but PMBR is corrupt */
mbr_type = valid_pmbr(cxt);
if (!mbr_type)
goto failed;
- DBG(LABEL, dbgprint("found a %s MBR", mbr_type == GPT_MBR_PROTECTIVE ?
+ DBG(LABEL, ul_debug("found a %s MBR", mbr_type == GPT_MBR_PROTECTIVE ?
"protective" : "hybrid"));
/* primary header */
gpt->pheader = gpt_read_header(cxt, GPT_PRIMARY_PARTITION_TABLE_LBA,
&gpt->ents);
- /*
- * TODO: If the primary GPT is corrupt, we must check the last LBA of the
- * device to see if it has a valid GPT Header and point to a valid GPT
- * Partition Entry Array.
- * If it points to a valid GPT Partition Entry Array, then software should
- * restore the primary GPT if allowed by platform policy settings.
- *
- * For now we just abort GPT probing!
- */
- if (!gpt->pheader || !gpt->ents)
+ if (gpt->pheader)
+ /* primary OK, try backup from alternative LBA */
+ gpt->bheader = gpt_read_header(cxt,
+ le64_to_cpu(gpt->pheader->alternative_lba),
+ NULL);
+ else
+ /* primary corrupted -- try last LBA */
+ gpt->bheader = gpt_read_header(cxt, last_lba(cxt), &gpt->ents);
+
+ if (!gpt->pheader && !gpt->bheader)
goto failed;
- /* OK, probing passed, now initialize backup header and fdisk variables. */
- gpt->bheader = gpt_read_header(cxt, last_lba(cxt), NULL);
+ /* primary OK, backup corrupted -- recovery */
+ if (gpt->pheader && !gpt->bheader) {
+ fdisk_warnx(cxt, _("The backup GPT table is corrupt, but the "
+ "primary appears OK, so that will be used."));
+ gpt->bheader = gpt_copy_header(cxt, gpt->pheader);
+ if (!gpt->bheader)
+ goto failed;
+ gpt_recompute_crc(gpt->bheader, gpt->ents);
+
+ /* primary corrupted, backup OK -- recovery */
+ } else if (!gpt->pheader && gpt->bheader) {
+ fdisk_warnx(cxt, _("The primary GPT table is corrupt, but the "
+ "backup appears OK, so that will be used."));
+ gpt->pheader = gpt_copy_header(cxt, gpt->bheader);
+ if (!gpt->pheader)
+ goto failed;
+ gpt_recompute_crc(gpt->pheader, gpt->ents);
+ }
cxt->label->nparts_max = le32_to_cpu(gpt->pheader->npartition_entries);
cxt->label->nparts_cur = partitions_in_use(gpt->pheader, gpt->ents);
return 1;
failed:
- DBG(LABEL, dbgprint("GPT probe failed"));
+ DBG(LABEL, ul_debug("GPT probe failed"));
gpt_deinit(cxt->label);
return 0;
}
return dest;
}
-/*
- * List label partitions.
- * This function must currently exist to comply with standard fdisk
- * requirements, but once partition semantics are added to the fdisk
- * API it can be removed for custom implementation (see gpt_label struct).
- */
-static int gpt_list_disklabel(struct fdisk_context *cxt)
+static int gpt_entry_attrs_to_string(struct gpt_entry *e, char **res)
+{
+ unsigned int n, count = 0;
+ size_t l;
+ char *bits, *p;
+ uint64_t attrs;
+
+ assert(e);
+ assert(res);
+
+ *res = NULL;
+ attrs = le64_to_cpu(e->attrs);
+ if (!attrs)
+ return 0; /* no attributes at all */
+
+ bits = (char *) &attrs;
+
+ /* Note that sizeof() is correct here, we need separators between
+ * the strings so also count \0 is correct */
+ *res = calloc(1, sizeof(GPT_ATTRSTR_NOBLOCK) +
+ sizeof(GPT_ATTRSTR_REQ) +
+ sizeof(GPT_ATTRSTR_LEGACY) +
+ sizeof("GUID:") + (GPT_ATTRBIT_GUID_COUNT * 3));
+ if (!*res)
+ return -errno;
+
+ p = *res;
+ if (isset(bits, GPT_ATTRBIT_REQ)) {
+ memcpy(p, GPT_ATTRSTR_REQ, (l = sizeof(GPT_ATTRSTR_REQ)));
+ p += l - 1;
+ }
+ if (isset(bits, GPT_ATTRBIT_NOBLOCK)) {
+ if (p > *res)
+ *p++ = ' ';
+ memcpy(p, GPT_ATTRSTR_NOBLOCK, (l = sizeof(GPT_ATTRSTR_NOBLOCK)));
+ p += l - 1;
+ }
+ if (isset(bits, GPT_ATTRBIT_LEGACY)) {
+ if (p > *res)
+ *p++ = ' ';
+ memcpy(p, GPT_ATTRSTR_LEGACY, (l = sizeof(GPT_ATTRSTR_LEGACY)));
+ p += l - 1;
+ }
+
+ for (n = GPT_ATTRBIT_GUID_FIRST;
+ n < GPT_ATTRBIT_GUID_FIRST + GPT_ATTRBIT_GUID_COUNT; n++) {
+
+ if (!isset(bits, n))
+ continue;
+ if (!count) {
+ if (p > *res)
+ *p++ = ' ';
+ p += sprintf(p, "GUID:%u", n);
+ } else
+ p += sprintf(p, ",%u", n);
+ count++;
+ }
+
+ return 0;
+}
+
+static int gpt_entry_attrs_from_string(
+ struct fdisk_context *cxt,
+ struct gpt_entry *e,
+ const char *str)
+{
+ const char *p = str;
+ uint64_t attrs = 0;
+ char *bits;
+
+ assert(e);
+ assert(p);
+
+ DBG(LABEL, ul_debug("GPT: parsing string attributes '%s'", p));
+
+ bits = (char *) &attrs;
+
+ while (p && *p) {
+ int bit = -1;
+
+ while (isblank(*p)) p++;
+ if (!*p)
+ break;
+
+ DBG(LABEL, ul_debug(" parsing item '%s'", p));
+
+ if (strncmp(p, "GUID:", 5) == 0) {
+ p += 5;
+ continue;
+ } else if (strncmp(p, GPT_ATTRSTR_REQ,
+ sizeof(GPT_ATTRSTR_REQ) - 1) == 0) {
+ bit = GPT_ATTRBIT_REQ;
+ p += sizeof(GPT_ATTRSTR_REQ) - 1;
+ } else if (strncmp(p, GPT_ATTRSTR_LEGACY,
+ sizeof(GPT_ATTRSTR_LEGACY) - 1) == 0) {
+ bit = GPT_ATTRBIT_LEGACY;
+ p += sizeof(GPT_ATTRSTR_LEGACY) - 1;
+ } else if (strncmp(p, GPT_ATTRSTR_NOBLOCK,
+ sizeof(GPT_ATTRSTR_NOBLOCK) - 1) == 0) {
+ bit = GPT_ATTRBIT_NOBLOCK;
+ p += sizeof(GPT_ATTRSTR_NOBLOCK) - 1;
+ } else if (isdigit((unsigned int) *p)) {
+ char *end = NULL;
+
+ errno = 0;
+ bit = strtol(p, &end, 0);
+ if (errno || !end || end == str
+ || bit < GPT_ATTRBIT_GUID_FIRST
+ || bit >= GPT_ATTRBIT_GUID_FIRST + GPT_ATTRBIT_GUID_COUNT)
+ bit = -1;
+ else
+ p = end;
+ }
+
+ if (bit < 0) {
+ fdisk_warnx(cxt, _("unssuported GPT attribute bit '%s'"), p);
+ return -EINVAL;
+ }
+
+ setbit(bits, bit);
+
+ while (isblank(*p)) p++;
+ if (*p == ',')
+ p++;
+ }
+
+ e->attrs = cpu_to_le64(attrs);
+ return 0;
+}
+
+static int gpt_get_partition(struct fdisk_context *cxt, size_t n,
+ struct fdisk_partition *pa)
{
- int rc, trunc = TT_FL_TRUNC;
- uint32_t i;
struct fdisk_gpt_label *gpt;
- struct gpt_header *h;
- uint64_t fu;
- uint64_t lu;
- struct tt *tb = NULL;
+ struct gpt_entry *e;
+ char u_str[37];
+ int rc = 0;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
- h = gpt->pheader;
- fu = le64_to_cpu(gpt->pheader->first_usable_lba);
- lu = le64_to_cpu(gpt->pheader->last_usable_lba);
- tb = tt_new_table(TT_FL_FREEDATA);
- if (!tb)
- return -ENOMEM;
+ if ((uint32_t) n >= le32_to_cpu(gpt->pheader->npartition_entries))
+ return -EINVAL;
- /* don't trunc anything in expert mode */
- if (fdisk_context_display_details(cxt)) {
- trunc = 0;
- fdisk_colon(cxt, _("First LBA: %ju"), h->first_usable_lba);
- fdisk_colon(cxt, _("Last LBA: %ju"), h->last_usable_lba);
- fdisk_colon(cxt, _("Alternative LBA: %ju"), h->alternative_lba);
- fdisk_colon(cxt, _("Partitions entries LBA: %ju"), h->partition_entry_lba);
- fdisk_colon(cxt, _("Allocated partition entries: %ju"), h->npartition_entries);
- }
- tt_define_column(tb, _("Device"), 0.1, 0);
- tt_define_column(tb, _("Start"), 12, TT_FL_RIGHT);
- tt_define_column(tb, _("End"), 12, TT_FL_RIGHT);
- tt_define_column(tb, _("Size"), 6, TT_FL_RIGHT);
- tt_define_column(tb, _("Type"), 0.1, trunc);
-
- if (fdisk_context_display_details(cxt)) {
- tt_define_column(tb, _("UUID"), 36, 0);
- tt_define_column(tb, _("Name"), 0.2, trunc);
- }
+ gpt = self_label(cxt);
+ e = &gpt->ents[n];
- for (i = 0; i < le32_to_cpu(h->npartition_entries); i++) {
- struct gpt_entry *e = &gpt->ents[i];
- char *sizestr = NULL, *p;
- uint64_t start = gpt_partition_start(e);
- uint64_t size = gpt_partition_size(e);
- struct fdisk_parttype *t;
- struct tt_line *ln;
- char u_str[37];
+ pa->used = !partition_unused(e) || gpt_partition_start(e);
+ if (!pa->used)
+ return 0;
- if (partition_unused(&gpt->ents[i]) || start == 0)
- continue;
- /* the partition has to inside usable range */
- if (start < fu || start + size - 1 > lu)
- continue;
- ln = tt_add_line(tb, NULL);
- if (!ln)
- continue;
+ pa->start = gpt_partition_start(e);
+ pa->end = gpt_partition_end(e);
+ pa->size = gpt_partition_size(e);
+ pa->type = gpt_partition_parttype(cxt, e);
- if (fdisk_context_display_details(cxt) &&
- asprintf(&p, "%ju", size * cxt->sector_size) > 0)
- sizestr = p;
- else
- sizestr = size_to_human_string(SIZE_SUFFIX_1LETTER,
- size * cxt->sector_size);
- t = fdisk_get_partition_type(cxt, i);
-
- /* basic columns */
- p = fdisk_partname(cxt->dev_path, i + 1);
- if (p)
- tt_line_set_data(ln, 0, p);
- if (asprintf(&p, "%ju", start) > 0)
- tt_line_set_data(ln, 1, p);
- if (asprintf(&p, "%ju", gpt_partition_end(e)) > 0)
- tt_line_set_data(ln, 2, p);
- if (sizestr)
- tt_line_set_data(ln, 3, sizestr);
- if (t && t->name)
- tt_line_set_data(ln, 4, strdup(t->name));
-
- /* expert menu column(s) */
- if (fdisk_context_display_details(cxt)) {
- char *name = encode_to_utf8(
- (unsigned char *)e->name,
- sizeof(e->name));
-
- if (guid_to_string(&e->partition_guid, u_str))
- tt_line_set_data(ln, 5, strdup(u_str));
- if (name)
- tt_line_set_data(ln, 6, name);
+ if (guid_to_string(&e->partition_guid, u_str)) {
+ pa->uuid = strdup(u_str);
+ if (!pa->uuid) {
+ rc = -errno;
+ goto done;
}
+ } else
+ pa->uuid = NULL;
- fdisk_warn_alignment(cxt, start, i);
- fdisk_free_parttype(t);
+ rc = gpt_entry_attrs_to_string(e, &pa->attrs);
+ if (rc)
+ goto done;
+
+ pa->name = encode_to_utf8((unsigned char *)e->name, sizeof(e->name));
+ return 0;
+done:
+ fdisk_reset_partition(pa);
+ return rc;
+}
+
+
+static int gpt_set_partition(struct fdisk_context *cxt, size_t n,
+ struct fdisk_partition *pa)
+{
+ struct fdisk_gpt_label *gpt;
+ struct gpt_entry *e;
+ int rc = 0;
+
+ assert(cxt);
+ assert(cxt->label);
+ assert(fdisk_is_label(cxt, GPT));
+
+ gpt = self_label(cxt);
+
+ if ((uint32_t) n >= le32_to_cpu(gpt->pheader->npartition_entries))
+ return -EINVAL;
+
+ gpt = self_label(cxt);
+ e = &gpt->ents[n];
+
+ if (pa->uuid) {
+ char new_u[37], old_u[37];
+
+ guid_to_string(&e->partition_guid, old_u);
+ rc = gpt_entry_set_uuid(e, pa->uuid);
+ if (rc)
+ return rc;
+ guid_to_string(&e->partition_guid, new_u);
+ fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
+ _("Partition UUID changed from %s to %s."),
+ old_u, new_u);
+ }
+
+ if (pa->name) {
+ char *old = encode_to_utf8((unsigned char *)e->name, sizeof(e->name));
+ gpt_entry_set_name(e, pa->name);
+
+ fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
+ _("Partition name changed from '%s' to '%.*s'."),
+ old, (int) GPT_PART_NAME_LEN, pa->name);
+ free(old);
}
- rc = fdisk_print_table(cxt, tb);
- tt_free_table(tb);
+ if (pa->type && pa->type->typestr) {
+ struct gpt_guid typeid;
+ rc = string_to_guid(pa->type->typestr, &typeid);
+ if (rc)
+ return rc;
+ gpt_entry_set_type(e, &typeid);
+ }
+ if (pa->attrs) {
+ rc = gpt_entry_attrs_from_string(cxt, e, pa->attrs);
+ if (rc)
+ return rc;
+ }
+
+ if (fdisk_partition_has_start(pa))
+ e->lba_start = cpu_to_le64(pa->start);
+ if (fdisk_partition_has_size(pa))
+ e->lba_end = cpu_to_le64(gpt_partition_start(e) + pa->size - 1ULL);
+
+ gpt_recompute_crc(gpt->pheader, gpt->ents);
+ gpt_recompute_crc(gpt->bheader, gpt->ents);
+
+ fdisk_label_set_changed(cxt->label, 1);
return rc;
}
+
+/*
+ * List label partitions.
+ */
+static int gpt_list_disklabel(struct fdisk_context *cxt)
+{
+ assert(cxt);
+ assert(cxt->label);
+ assert(fdisk_is_label(cxt, GPT));
+
+ if (fdisk_is_details(cxt)) {
+ struct gpt_header *h = self_label(cxt)->pheader;
+
+ fdisk_info(cxt, _("First LBA: %ju"), h->first_usable_lba);
+ fdisk_info(cxt, _("Last LBA: %ju"), h->last_usable_lba);
+ /* TRANSLATORS: The LBA (Logical Block Address) of the backup GPT header. */
+ fdisk_info(cxt, _("Alternative LBA: %ju"), h->alternative_lba);
+ /* TRANSLATORS: The start of the array of partition entries. */
+ fdisk_info(cxt, _("Partition entries LBA: %ju"), h->partition_entry_lba);
+ fdisk_info(cxt, _("Allocated partition entries: %u"), h->npartition_entries);
+ }
+
+ return 0;
+}
+
/*
* Write partitions.
* Returns 0 on success, or corresponding error otherwise.
static int gpt_write_disklabel(struct fdisk_context *cxt)
{
struct fdisk_gpt_label *gpt;
+ int mbr_type;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
-
- /* we do not want to mess up hybrid MBRs by creating a valid pmbr */
- if (valid_pmbr(cxt) == GPT_MBR_HYBRID)
- goto err0;
+ mbr_type = valid_pmbr(cxt);
/* check that disk is big enough to handle the backup header */
if (le64_to_cpu(gpt->pheader->alternative_lba) > cxt->total_sectors)
goto err1;
if (gpt_write_header(cxt, gpt->pheader, GPT_PRIMARY_PARTITION_TABLE_LBA) != 0)
goto err1;
- if (gpt_write_pmbr(cxt) != 0)
+
+ if (mbr_type == GPT_MBR_HYBRID)
+ fdisk_warnx(cxt, _("The device contains hybrid MBR -- writing GPT only. "
+ "You have to sync the MBR manually."));
+ else if (gpt_write_pmbr(cxt) != 0)
goto err1;
- DBG(LABEL, dbgprint("GPT write success"));
+ DBG(LABEL, ul_debug("GPT write success"));
return 0;
err0:
- DBG(LABEL, dbgprint("GPT write failed: incorrect input"));
+ DBG(LABEL, ul_debug("GPT write failed: incorrect input"));
errno = EINVAL;
return -EINVAL;
err1:
- DBG(LABEL, dbgprint("GPT write failed: %m"));
+ DBG(LABEL, ul_debug("GPT write failed: %m"));
return -errno;
}
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
if (!nerror) { /* yay :-) */
uint32_t nsegments = 0;
uint64_t free_sectors = 0, largest_segment = 0;
+ char *strsz = NULL;
fdisk_info(cxt, _("No errors detected."));
fdisk_info(cxt, _("Header version: %s"), gpt_get_header_revstr(gpt->pheader));
free_sectors = get_free_sectors(cxt, gpt->pheader, gpt->ents,
&nsegments, &largest_segment);
- fdisk_info(cxt, _("A total of %ld free sectors available in %d segment(s) "
- "(largest %ld)."),
- free_sectors, nsegments, largest_segment);
+ if (largest_segment)
+ strsz = size_to_human_string(SIZE_SUFFIX_SPACE | SIZE_SUFFIX_3LETTER,
+ largest_segment * cxt->sector_size);
+
+ fdisk_info(cxt,
+ P_("A total of %ju free sectors is available in %u segment.",
+ "A total of %ju free sectors is available in %u segments "
+ "(the largest is %s).", nsegments),
+ free_sectors, nsegments, strsz);
+ free(strsz);
+
} else
fdisk_warnx(cxt,
- P_("%d error detected.", "%s errors detected", nerror),
+ P_("%d error detected.", "%d errors detected.", nerror),
nerror);
return 0;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
return 0;
}
-static void gpt_entry_set_type(struct gpt_entry *e, struct gpt_guid *uuid)
-{
- e->type = *uuid;
- DBG(LABEL, dbgprint_uuid("new type", &(e->type)));
-}
-
-/*
- * Create a new GPT partition entry, specified by partnum, and with a range
- * of fsect to lsenct sectors, of type t.
- * Returns 0 on success, or negative upon failure.
- */
-static int gpt_create_new_partition(struct fdisk_context *cxt,
- size_t partnum, uint64_t fsect, uint64_t lsect,
- struct gpt_guid *type,
- struct gpt_entry *entries)
-{
- struct gpt_entry *e = NULL;
- struct fdisk_gpt_label *gpt;
-
- assert(cxt);
- assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
-
- gpt = self_label(cxt);
-
- if (fsect > lsect || partnum >= cxt->label->nparts_max)
- return -EINVAL;
-
- e = calloc(1, sizeof(*e));
- if (!e)
- return -ENOMEM;
- e->lba_end = cpu_to_le64(lsect);
- e->lba_start = cpu_to_le64(fsect);
-
- gpt_entry_set_type(e, type);
-
- /*
- * Any time a new partition entry is created a new GUID must be
- * generated for that partition, and every partition is guaranteed
- * to have a unique GUID.
- */
- uuid_generate_random((unsigned char *) &e->partition_guid);
- swap_efi_guid(&e->partition_guid);
-
- memcpy(&entries[partnum], e, sizeof(*e));
-
- gpt_recompute_crc(gpt->pheader, entries);
- gpt_recompute_crc(gpt->bheader, entries);
-
- free(e);
- return 0;
-}
/* Performs logical checks to add a new partition entry */
static int gpt_add_partition(
struct fdisk_context *cxt,
- size_t partnum,
- struct fdisk_parttype *t)
+ struct fdisk_partition *pa,
+ size_t *partno)
{
uint64_t user_f, user_l; /* user input ranges for first and last sectors */
uint64_t disk_f, disk_l; /* first and last available sector ranges on device*/
struct gpt_guid typeid;
struct fdisk_gpt_label *gpt;
struct gpt_header *pheader;
- struct gpt_entry *ents;
+ struct gpt_entry *e, *ents;
struct fdisk_ask *ask = NULL;
+ size_t partnum;
int rc;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
-
- if (partnum >= cxt->label->nparts_max)
- return -EINVAL;
-
pheader = gpt->pheader;
ents = gpt->ents;
+ rc = fdisk_partition_next_partno(pa, cxt, &partnum);
+ if (rc) {
+ DBG(LABEL, ul_debug("GPT failed to get next partno"));
+ return rc;
+ }
if (!partition_unused(&ents[partnum])) {
- fdisk_warnx(cxt, _("Partition %zd is already defined. "
- "Delete it before re-adding it."), partnum +1);
- return -EINVAL;
+ fdisk_warnx(cxt, _("Partition %zu is already defined. "
+ "Delete it before re-adding it."), partnum +1);
+ return -ERANGE;
}
if (le32_to_cpu(pheader->npartition_entries) ==
partitions_in_use(pheader, ents)) {
fdisk_warnx(cxt, _("All partitions are already in use."));
- return -EINVAL;
+ return -ENOSPC;
}
-
if (!get_free_sectors(cxt, pheader, ents, NULL, NULL)) {
fdisk_warnx(cxt, _("No free sectors available."));
return -ENOSPC;
}
+ string_to_guid(pa && pa->type && pa->type->typestr ?
+ pa->type->typestr:
+ GPT_DEFAULT_ENTRY_TYPE, &typeid);
+
disk_f = find_first_available(pheader, ents, 0);
disk_l = find_last_free_sector(pheader, ents);
/* align the default in range <dflt_f,dflt_l>*/
dflt_f = fdisk_align_lba_in_range(cxt, dflt_f, dflt_f, dflt_l);
- string_to_guid(t && t->typestr ? t->typestr : GPT_DEFAULT_ENTRY_TYPE, &typeid);
+ /* first sector */
+ if (pa && pa->start_follow_default) {
+ user_f = dflt_f;
+
+ } else if (pa && fdisk_partition_has_start(pa)) {
+ DBG(LABEL, ul_debug("first sector defined: %ju", pa->start));
+ if (pa->start != find_first_available(pheader, ents, pa->start)) {
+ fdisk_warnx(cxt, _("Sector %ju already used."), pa->start);
+ return -ERANGE;
+ }
+ user_f = pa->start;
+ } else {
+ /* ask by dialog */
+ for (;;) {
+ if (!ask)
+ ask = fdisk_new_ask();
+ else
+ fdisk_reset_ask(ask);
+
+ /* First sector */
+ fdisk_ask_set_query(ask, _("First sector"));
+ fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER);
+ fdisk_ask_number_set_low(ask, disk_f); /* minimal */
+ fdisk_ask_number_set_default(ask, dflt_f); /* default */
+ fdisk_ask_number_set_high(ask, disk_l); /* maximal */
+
+ rc = fdisk_do_ask(cxt, ask);
+ if (rc)
+ goto done;
+
+ user_f = fdisk_ask_number_get_result(ask);
+ if (user_f != find_first_available(pheader, ents, user_f)) {
+ fdisk_warnx(cxt, _("Sector %ju already used."), user_f);
+ continue;
+ }
+ break;
+ }
+ }
+
- /* get user input for first and last sectors of the new partition */
- for (;;) {
- if (!ask)
- ask = fdisk_new_ask();
- else
- fdisk_reset_ask(ask);
+ /* Last sector */
+ dflt_l = find_last_free(pheader, ents, user_f);
- /* First sector */
- fdisk_ask_set_query(ask, _("First sector"));
- fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER);
- fdisk_ask_number_set_low(ask, disk_f); /* minimal */
- fdisk_ask_number_set_default(ask, dflt_f); /* default */
- fdisk_ask_number_set_high(ask, disk_l); /* maximal */
+ if (pa && pa->end_follow_default) {
+ user_l = dflt_l;
- rc = fdisk_do_ask(cxt, ask);
- if (rc)
- goto done;
+ } else if (pa && fdisk_partition_has_size(pa)) {
+ user_l = user_f + pa->size - 1;
+ DBG(LABEL, ul_debug("size defined: %ju, end: %ju (last possible: %ju)",
+ pa->size, user_l, dflt_l));
+ if (user_l != dflt_l && !pa->size_explicit)
+ user_l = fdisk_align_lba_in_range(cxt, user_l, user_f, dflt_l) - 1;
- user_f = fdisk_ask_number_get_result(ask);
- if (user_f != find_first_available(pheader, ents, user_f)) {
- fdisk_warnx(cxt, _("Sector %ju already used."), user_f);
- continue;
+ } else {
+ for (;;) {
+ if (!ask)
+ ask = fdisk_new_ask();
+ else
+ fdisk_reset_ask(ask);
+
+ fdisk_ask_set_query(ask, _("Last sector, +sectors or +size{K,M,G,T,P}"));
+ fdisk_ask_set_type(ask, FDISK_ASKTYPE_OFFSET);
+ fdisk_ask_number_set_low(ask, user_f); /* minimal */
+ fdisk_ask_number_set_default(ask, dflt_l); /* default */
+ fdisk_ask_number_set_high(ask, dflt_l); /* maximal */
+ fdisk_ask_number_set_base(ask, user_f); /* base for relative input */
+ fdisk_ask_number_set_unit(ask, cxt->sector_size);
+
+ rc = fdisk_do_ask(cxt, ask);
+ if (rc)
+ goto done;
+
+ user_l = fdisk_ask_number_get_result(ask);
+ if (fdisk_ask_number_is_relative(ask)) {
+ user_l = fdisk_align_lba_in_range(cxt, user_l, user_f, dflt_l) - 1;
+
+ /* no space for anything useful, use all space
+ if (user_l + (cxt->grain / cxt->sector_size) > dflt_l)
+ user_l = dflt_l;
+ */
+ }
+
+ if (user_l > user_f && user_l <= disk_l)
+ break;
}
+ }
+
- fdisk_reset_ask(ask);
+ if (user_f > user_l || partnum >= cxt->label->nparts_max) {
+ fdisk_warnx(cxt, _("Could not create partition %zu"), partnum + 1);
+ rc = -EINVAL;
+ goto done;
+ }
+
+ assert(!FDISK_IS_UNDEF(user_l));
+ assert(!FDISK_IS_UNDEF(user_f));
- /* Last sector */
- dflt_l = find_last_free(pheader, ents, user_f);
+ e = &ents[partnum];
+ e->lba_end = cpu_to_le64(user_l);
+ e->lba_start = cpu_to_le64(user_f);
- fdisk_ask_set_query(ask, _("Last sector, +sectors or +size{K,M,G,T,P}"));
- fdisk_ask_set_type(ask, FDISK_ASKTYPE_OFFSET);
- fdisk_ask_number_set_low(ask, user_f); /* minimal */
- fdisk_ask_number_set_default(ask, dflt_l); /* default */
- fdisk_ask_number_set_high(ask, dflt_l); /* maximal */
- fdisk_ask_number_set_base(ask, user_f); /* base for relative input */
- fdisk_ask_number_set_unit(ask, cxt->sector_size);
+ gpt_entry_set_type(e, &typeid);
- rc = fdisk_do_ask(cxt, ask);
+ if (pa && pa->uuid) {
+ /* Sometimes it's necessary to create a copy of the PT and
+ * reuse already defined UUID
+ */
+ rc = gpt_entry_set_uuid(e, pa->uuid);
if (rc)
goto done;
-
- user_l = fdisk_ask_number_get_result(ask);
- if (fdisk_ask_number_is_relative(ask))
- user_l = fdisk_align_lba_in_range(cxt, user_l, user_f, dflt_l) - 1;
- if (user_l > user_f && user_l <= disk_l)
- break;
+ } else {
+ /* Any time a new partition entry is created a new GUID must be
+ * generated for that partition, and every partition is guaranteed
+ * to have a unique GUID.
+ */
+ uuid_generate_random((unsigned char *) &e->partition_guid);
+ swap_efi_guid(&e->partition_guid);
}
- if (gpt_create_new_partition(cxt, partnum,
- user_f, user_l, &typeid, ents) != 0)
- fdisk_warnx(cxt, _("Could not create partition %zd"), partnum + 1);
- else {
+ if (pa && pa->name && *pa->name)
+ gpt_entry_set_name(e, pa->name);
+ if (pa && pa->attrs)
+ gpt_entry_attrs_from_string(cxt, e, pa->attrs);
+
+ DBG(LABEL, ul_debug("GPT new partition: partno=%zu, start=%ju, end=%ju, size=%ju",
+ partnum,
+ gpt_partition_start(e),
+ gpt_partition_end(e),
+ gpt_partition_size(e)));
+
+ gpt_recompute_crc(gpt->pheader, ents);
+ gpt_recompute_crc(gpt->bheader, ents);
+
+ /* report result */
+ {
struct fdisk_parttype *t;
cxt->label->nparts_cur++;
fdisk_label_set_changed(cxt->label, 1);
- t = gpt_get_partition_type(cxt, partnum);
+ t = gpt_partition_parttype(cxt, &ents[partnum]);
fdisk_info_new_partition(cxt, partnum + 1, user_f, user_l, t);
fdisk_free_parttype(t);
}
rc = 0;
+ if (partno)
+ *partno = partnum;
done:
fdisk_free_ask(ask);
return rc;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
guid_to_string(&gpt->pheader->disk_guid, str);
fdisk_label_set_changed(cxt->label, 1);
fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
- _("Created a new GPT disklabel (GUID: %s)"), str);
+ _("Created a new GPT disklabel (GUID: %s)."), str);
done:
return rc;
}
assert(cxt);
assert(id);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
guid_to_string(&gpt->pheader->disk_guid, str);
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
if (fdisk_ask_string(cxt,
return 0;
}
-
-static struct fdisk_parttype *gpt_get_partition_type(
- struct fdisk_context *cxt,
- size_t i)
+static int gpt_part_is_used(struct fdisk_context *cxt, size_t i)
{
- struct fdisk_parttype *t;
- char str[37];
struct fdisk_gpt_label *gpt;
+ struct gpt_entry *e;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
if ((uint32_t) i >= le32_to_cpu(gpt->pheader->npartition_entries))
- return NULL;
-
- guid_to_string(&gpt->ents[i].type, str);
- t = fdisk_get_parttype_from_string(cxt, str);
- if (!t)
- t = fdisk_new_unknown_parttype(0, str);
+ return 0;
+ e = &gpt->ents[i];
- return t;
+ return !partition_unused(e) || gpt_partition_start(e);
}
+int fdisk_gpt_is_hybrid(struct fdisk_context *cxt)
+{
+ assert(cxt);
+ return valid_pmbr(cxt) == GPT_MBR_HYBRID;
+}
-static int gpt_set_partition_type(
+static int gpt_toggle_partition_flag(
struct fdisk_context *cxt,
size_t i,
- struct fdisk_parttype *t)
+ unsigned long flag)
{
- struct gpt_guid uuid;
struct fdisk_gpt_label *gpt;
+ uint64_t attrs, tmp;
+ char *bits;
+ const char *name = NULL;
+ int bit = -1, rc;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
+ assert(fdisk_is_label(cxt, GPT));
+ DBG(LABEL, ul_debug("GPT entry attribute change requested partno=%zu", i));
gpt = self_label(cxt);
- if ((uint32_t) i >= le32_to_cpu(gpt->pheader->npartition_entries)
- || !t || !t->typestr || string_to_guid(t->typestr, &uuid) != 0)
+
+ if ((uint32_t) i >= le32_to_cpu(gpt->pheader->npartition_entries))
+ return -EINVAL;
+
+ attrs = le64_to_cpu(gpt->ents[i].attrs);
+ bits = (char *) &attrs;
+
+ switch (flag) {
+ case GPT_FLAG_REQUIRED:
+ bit = GPT_ATTRBIT_REQ;
+ name = GPT_ATTRSTR_REQ;
+ break;
+ case GPT_FLAG_NOBLOCK:
+ bit = GPT_ATTRBIT_NOBLOCK;
+ name = GPT_ATTRSTR_NOBLOCK;
+ break;
+ case GPT_FLAG_LEGACYBOOT:
+ bit = GPT_ATTRBIT_LEGACY;
+ name = GPT_ATTRSTR_LEGACY;
+ break;
+ case GPT_FLAG_GUIDSPECIFIC:
+ rc = fdisk_ask_number(cxt, 48, 48, 63, _("Enter GUID specific bit"), &tmp);
+ if (rc)
+ return rc;
+ bit = tmp;
+ break;
+ default:
+ /* already specified PT_FLAG_GUIDSPECIFIC bit */
+ if (flag >= 48 && flag <= 63) {
+ bit = flag;
+ flag = GPT_FLAG_GUIDSPECIFIC;
+ }
+ break;
+ }
+
+ if (bit < 0) {
+ fdisk_warnx(cxt, _("failed to toggle unsupported bit %lu"), flag);
return -EINVAL;
+ }
+
+ if (!isset(bits, bit))
+ setbit(bits, bit);
+ else
+ clrbit(bits, bit);
+
+ gpt->ents[i].attrs = cpu_to_le64(attrs);
+
+ if (flag == GPT_FLAG_GUIDSPECIFIC)
+ fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
+ isset(bits, bit) ?
+ _("The GUID specific bit %d on partition %zu is enabled now.") :
+ _("The GUID specific bit %d on partition %zu is disabled now."),
+ bit, i + 1);
+ else
+ fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
+ isset(bits, bit) ?
+ _("The %s flag on partition %zu is enabled now.") :
+ _("The %s flag on partition %zu is disabled now."),
+ name, i + 1);
- gpt_entry_set_type(&gpt->ents[i], &uuid);
gpt_recompute_crc(gpt->pheader, gpt->ents);
gpt_recompute_crc(gpt->bheader, gpt->ents);
-
fdisk_label_set_changed(cxt->label, 1);
return 0;
}
-static int gpt_get_partition_status(
- struct fdisk_context *cxt,
- size_t i,
- int *status)
+static int gpt_entry_cmp_start(const void *a, const void *b)
{
- struct fdisk_gpt_label *gpt;
- struct gpt_entry *e;
-
- assert(cxt);
- assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
-
- gpt = self_label(cxt);
+ struct gpt_entry *ae = (struct gpt_entry *) a,
+ *be = (struct gpt_entry *) b;
+ int au = partition_unused(ae),
+ bu = partition_unused(be);
- if (!status || (uint32_t) i >= le32_to_cpu(gpt->pheader->npartition_entries))
- return -EINVAL;
-
- e = &gpt->ents[i];
- *status = FDISK_PARTSTAT_NONE;
-
- if (!partition_unused(e) || gpt_partition_start(e))
- *status = FDISK_PARTSTAT_USED;
+ if (au && bu)
+ return 0;
+ if (au)
+ return 1;
+ if (bu)
+ return -1;
- return 0;
+ return gpt_partition_start(ae) - gpt_partition_start(be);
}
-int fdisk_gpt_partition_set_uuid(struct fdisk_context *cxt, size_t i)
+/* sort partition by start sector */
+static int gpt_reorder(struct fdisk_context *cxt)
{
struct fdisk_gpt_label *gpt;
- struct gpt_entry *e;
- struct gpt_guid uuid;
- char *str, new_u[37], old_u[37];
- int rc;
+ size_t nparts;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
-
- DBG(LABEL, dbgprint("UUID change requested partno=%zd", i));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
+ nparts = le32_to_cpu(gpt->pheader->npartition_entries);
- if ((uint32_t) i >= le32_to_cpu(gpt->pheader->npartition_entries))
- return -EINVAL;
-
- if (fdisk_ask_string(cxt,
- _("New UUID (in 8-4-4-4-12 format)"), &str))
- return -EINVAL;
+ qsort(gpt->ents, nparts, sizeof(struct gpt_entry),
+ gpt_entry_cmp_start);
- rc = string_to_guid(str, &uuid);
- free(str);
-
- if (rc) {
- fdisk_warnx(cxt, _("Failed to parse your UUID."));
- return rc;
- }
-
- e = &gpt->ents[i];
-
- guid_to_string(&e->partition_guid, old_u);
- guid_to_string(&uuid, new_u);
-
- e->partition_guid = uuid;
gpt_recompute_crc(gpt->pheader, gpt->ents);
gpt_recompute_crc(gpt->bheader, gpt->ents);
fdisk_label_set_changed(cxt->label, 1);
- fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
- _("Partition UUID changed from %s to %s"),
- old_u, new_u);
+ fdisk_sinfo(cxt, FDISK_INFO_SUCCESS, _("Done."));
return 0;
}
-int fdisk_gpt_partition_set_name(struct fdisk_context *cxt, size_t i)
+static int gpt_reset_alignment(struct fdisk_context *cxt)
{
struct fdisk_gpt_label *gpt;
- struct gpt_entry *e;
- char *str, *old, name[GPT_PART_NAME_LEN] = { 0 };
- size_t sz;
+ struct gpt_header *h;
assert(cxt);
assert(cxt->label);
- assert(fdisk_is_disklabel(cxt, GPT));
-
- DBG(LABEL, dbgprint("NAME change requested partno=%zd", i));
+ assert(fdisk_is_label(cxt, GPT));
gpt = self_label(cxt);
-
- if ((uint32_t) i >= le32_to_cpu(gpt->pheader->npartition_entries))
- return -EINVAL;
-
- if (fdisk_ask_string(cxt, _("New name"), &str))
- return -EINVAL;
-
- e = &gpt->ents[i];
- old = encode_to_utf8((unsigned char *)e->name, sizeof(e->name));
-
- sz = strlen(str);
- if (sz) {
- if (sz > GPT_PART_NAME_LEN)
- sz = GPT_PART_NAME_LEN;
- memcpy(name, str, sz);
+ h = gpt ? gpt->pheader : NULL;
+
+ if (h) {
+ /* always follow existing table */
+ cxt->first_lba = h->first_usable_lba;
+ cxt->last_lba = h->last_usable_lba;
+ } else {
+ /* estimate ranges for GPT */
+ uint64_t first, last;
+
+ count_first_last_lba(cxt, &first, &last);
+
+ if (cxt->first_lba < first)
+ cxt->first_lba = first;
+ if (cxt->last_lba > last)
+ cxt->last_lba = last;
}
- for (i = 0; i < GPT_PART_NAME_LEN; i++)
- e->name[i] = cpu_to_le16((uint16_t) name[i]);
-
- gpt_recompute_crc(gpt->pheader, gpt->ents);
- gpt_recompute_crc(gpt->bheader, gpt->ents);
-
- fdisk_label_set_changed(cxt->label, 1);
-
- fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
- _("Partition name changed from '%s' to '%.*s'"),
- old, GPT_PART_NAME_LEN, str);
- free(str);
- free(old);
-
return 0;
}
-
-
/*
* Deinitialize fdisk-specific variables
*/
.create = gpt_create_disklabel,
.list = gpt_list_disklabel,
.locate = gpt_locate_disklabel,
+ .reorder = gpt_reorder,
.get_id = gpt_get_disklabel_id,
.set_id = gpt_set_disklabel_id,
- .part_add = gpt_add_partition,
- .part_delete = gpt_delete_partition,
- .part_get_type = gpt_get_partition_type,
- .part_set_type = gpt_set_partition_type,
+ .get_part = gpt_get_partition,
+ .set_part = gpt_set_partition,
+ .add_part = gpt_add_partition,
+ .del_part = gpt_delete_partition,
- .part_get_status = gpt_get_partition_status,
+ .part_is_used = gpt_part_is_used,
+ .part_toggle_flag = gpt_toggle_partition_flag,
- .deinit = gpt_deinit
+ .deinit = gpt_deinit,
+
+ .reset_alignment = gpt_reset_alignment
+};
+
+static const struct fdisk_field gpt_fields[] =
+{
+ /* basic */
+ { FDISK_FIELD_DEVICE, N_("Device"), 10, 0 },
+ { FDISK_FIELD_START, N_("Start"), 5, FDISK_FIELDFL_NUMBER },
+ { FDISK_FIELD_END, N_("End"), 5, FDISK_FIELDFL_NUMBER },
+ { FDISK_FIELD_SECTORS, N_("Sectors"), 5, FDISK_FIELDFL_NUMBER },
+ { FDISK_FIELD_SIZE, N_("Size"), 5, FDISK_FIELDFL_NUMBER | FDISK_FIELDFL_EYECANDY },
+ { FDISK_FIELD_TYPE, N_("Type"), 0.1, FDISK_FIELDFL_EYECANDY },
+ /* expert */
+ { FDISK_FIELD_TYPEID, N_("Type-UUID"), 36, FDISK_FIELDFL_DETAIL },
+ { FDISK_FIELD_UUID, N_("UUID"), 36, FDISK_FIELDFL_DETAIL },
+ { FDISK_FIELD_NAME, N_("Name"), 0.2, FDISK_FIELDFL_DETAIL },
+ { FDISK_FIELD_ATTR, N_("Attrs"), 0, FDISK_FIELDFL_DETAIL }
};
/*
lb->parttypes = gpt_parttypes;
lb->nparttypes = ARRAY_SIZE(gpt_parttypes);
+ lb->fields = gpt_fields;
+ lb->nfields = ARRAY_SIZE(gpt_fields);
+
return lb;
}
projects / thirdparty / util-linux.git / blobdiff