diff options
Diffstat (limited to 'libblkid/ddf_raid.c')
| -rw-r--r-- | libblkid/ddf_raid.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/libblkid/ddf_raid.c b/libblkid/ddf_raid.c deleted file mode 100644 index 24df421d1..000000000 --- a/libblkid/ddf_raid.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (C) 2008 Karel Zak <kzak@redhat.com> - * - * Inspired by libvolume_id by - * Kay Sievers <kay.sievers@vrfy.org> - * - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - */ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <stdint.h> - -#include "superblocks.h" - -/* http://www.snia.org/standards/home */ -#define DDF_GUID_LENGTH 24 -#define DDF_REV_LENGTH 8 -#define DDF_MAGIC 0xDE11DE11 - - -struct ddf_header { - uint32_t signature; - uint32_t crc; - uint8_t guid[DDF_GUID_LENGTH]; - char ddf_rev[8]; /* 01.02.00 */ - uint32_t seq; /* starts at '1' */ - uint32_t timestamp; - uint8_t openflag; - uint8_t foreignflag; - uint8_t enforcegroups; - uint8_t pad0; /* 0xff */ - uint8_t pad1[12]; /* 12 * 0xff */ - /* 64 bytes so far */ - uint8_t header_ext[32]; /* reserved: fill with 0xff */ - uint64_t primary_lba; - uint64_t secondary_lba; - uint8_t type; - uint8_t pad2[3]; /* 0xff */ - uint32_t workspace_len; /* sectors for vendor space - - * at least 32768(sectors) */ - uint64_t workspace_lba; - uint16_t max_pd_entries; /* one of 15, 63, 255, 1023, 4095 */ - uint16_t max_vd_entries; /* 2^(4,6,8,10,12)-1 : i.e. as above */ - uint16_t max_partitions; /* i.e. max num of configuration - record entries per disk */ - uint16_t config_record_len; /* 1 +ROUNDUP(max_primary_element_entries - *12/512) */ - uint16_t max_primary_element_entries; /* 16, 64, 256, 1024, or 4096 */ - uint8_t pad3[54]; /* 0xff */ - /* 192 bytes so far */ - uint32_t controller_section_offset; - uint32_t controller_section_length; - uint32_t phys_section_offset; - uint32_t phys_section_length; - uint32_t virt_section_offset; - uint32_t virt_section_length; - uint32_t config_section_offset; - uint32_t config_section_length; - uint32_t data_section_offset; - uint32_t data_section_length; - uint32_t bbm_section_offset; - uint32_t bbm_section_length; - uint32_t diag_space_offset; - uint32_t diag_space_length; - uint32_t vendor_offset; - uint32_t vendor_length; - /* 256 bytes so far */ - uint8_t pad4[256]; /* 0xff */ -} __attribute__((packed)); - -static int probe_ddf(blkid_probe pr, - const struct blkid_idmag *mag __attribute__((__unused__))) -{ - int hdrs[] = { 1, 257 }; - size_t i; - struct ddf_header *ddf = NULL; - char version[DDF_REV_LENGTH + 1]; - uint64_t off, lba; - - if (pr->size < 0x30000) - return -1; - - for (i = 0; i < ARRAY_SIZE(hdrs); i++) { - off = ((pr->size / 0x200) - hdrs[i]) * 0x200; - - ddf = (struct ddf_header *) blkid_probe_get_buffer(pr, - off, - sizeof(struct ddf_header)); - if (!ddf) - return -1; - - if (ddf->signature == cpu_to_be32(DDF_MAGIC) || - ddf->signature == cpu_to_le32(DDF_MAGIC)) - break; - ddf = NULL; - } - - if (!ddf) - return -1; - - lba = ddf->signature == cpu_to_be32(DDF_MAGIC) ? - be64_to_cpu(ddf->primary_lba) : - le64_to_cpu(ddf->primary_lba); - - if (lba > 0) { - /* check primary header */ - unsigned char *buf; - - buf = blkid_probe_get_buffer(pr, - lba << 9, sizeof(ddf->signature)); - if (!buf || memcmp(buf, &ddf->signature, 4)) - return -1; - } - - blkid_probe_strncpy_uuid(pr, ddf->guid, sizeof(ddf->guid)); - - memcpy(version, ddf->ddf_rev, sizeof(ddf->ddf_rev)); - *(version + sizeof(ddf->ddf_rev)) = '\0'; - - if (blkid_probe_set_version(pr, version) != 0) - return -1; - if (blkid_probe_set_magic(pr, off, - sizeof(ddf->signature), - (unsigned char *) &ddf->signature)) - return -1; - return 0; -} - -const struct blkid_idinfo ddfraid_idinfo = { - .name = "ddf_raid_member", - .usage = BLKID_USAGE_RAID, - .probefunc = probe_ddf, - .magics = BLKID_NONE_MAGIC -}; - - |