| bigbiff bigbiff | e60683a | 2013-02-22 20:55:50 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Karel Zak <kzak@redhat.com> |
| 3 | * |
| 4 | * Inspired by libvolume_id by |
| 5 | * Kay Sievers <kay.sievers@vrfy.org> |
| 6 | * |
| 7 | * This file may be redistributed under the terms of the |
| 8 | * GNU Lesser General Public License. |
| 9 | */ |
| 10 | #include <stdio.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <unistd.h> |
| 13 | #include <string.h> |
| 14 | #include <stdint.h> |
| 15 | |
| 16 | #include "superblocks.h" |
| 17 | |
| 18 | struct adaptec_metadata { |
| 19 | |
| 20 | uint32_t b0idcode; |
| 21 | uint8_t lunsave[8]; |
| 22 | uint16_t sdtype; |
| 23 | uint16_t ssavecyl; |
| 24 | uint8_t ssavehed; |
| 25 | uint8_t ssavesec; |
| 26 | uint8_t sb0flags; |
| 27 | uint8_t jbodEnable; |
| 28 | uint8_t lundsave; |
| 29 | uint8_t svpdirty; |
| 30 | uint16_t biosInfo; |
| 31 | uint16_t svwbskip; |
| 32 | uint16_t svwbcln; |
| 33 | uint16_t svwbmax; |
| 34 | uint16_t res3; |
| 35 | uint16_t svwbmin; |
| 36 | uint16_t res4; |
| 37 | uint16_t svrcacth; |
| 38 | uint16_t svwcacth; |
| 39 | uint16_t svwbdly; |
| 40 | uint8_t svsdtime; |
| 41 | uint8_t res5; |
| 42 | uint16_t firmval; |
| 43 | uint16_t firmbln; |
| 44 | uint32_t firmblk; |
| 45 | uint32_t fstrsvrb; |
| 46 | uint16_t svBlockStorageTid; |
| 47 | uint16_t svtid; |
| 48 | uint8_t svseccfl; |
| 49 | uint8_t res6; |
| 50 | uint8_t svhbanum; |
| 51 | uint8_t resver; |
| 52 | uint32_t drivemagic; |
| 53 | uint8_t reserved[20]; |
| 54 | uint8_t testnum; |
| 55 | uint8_t testflags; |
| 56 | uint16_t maxErrorCount; |
| 57 | uint32_t count; |
| 58 | uint32_t startTime; |
| 59 | uint32_t interval; |
| 60 | uint8_t tstxt0; |
| 61 | uint8_t tstxt1; |
| 62 | uint8_t serNum[32]; |
| 63 | uint8_t res8[102]; |
| 64 | uint32_t fwTestMagic; |
| 65 | uint32_t fwTestSeqNum; |
| 66 | uint8_t fwTestRes[8]; |
| 67 | uint32_t smagic; |
| 68 | uint32_t raidtbl; |
| 69 | uint16_t raidline; |
| 70 | uint8_t res9[0xF6]; |
| 71 | } __attribute__((packed)); |
| 72 | |
| 73 | #define AD_SIGNATURE 0x4450544D /* "DPTM" */ |
| 74 | #define AD_MAGIC 0x37FC4D1E |
| 75 | |
| 76 | static int probe_adraid(blkid_probe pr, |
| 77 | const struct blkid_idmag *mag __attribute__((__unused__))) |
| 78 | { |
| 79 | uint64_t off; |
| 80 | struct adaptec_metadata *ad; |
| 81 | |
| 82 | if (pr->size < 0x10000) |
| 83 | return -1; |
| 84 | |
| 85 | if (!S_ISREG(pr->mode) && !blkid_probe_is_wholedisk(pr)) |
| 86 | return -1; |
| 87 | |
| 88 | off = ((pr->size / 0x200)-1) * 0x200; |
| 89 | ad = (struct adaptec_metadata *) |
| 90 | blkid_probe_get_buffer(pr, |
| 91 | off, |
| 92 | sizeof(struct adaptec_metadata)); |
| 93 | if (!ad) |
| 94 | return -1; |
| 95 | if (ad->smagic != be32_to_cpu(AD_SIGNATURE)) |
| 96 | return -1; |
| 97 | if (ad->b0idcode != be32_to_cpu(AD_MAGIC)) |
| 98 | return -1; |
| 99 | if (blkid_probe_sprintf_version(pr, "%u", ad->resver) != 0) |
| 100 | return -1; |
| 101 | if (blkid_probe_set_magic(pr, off, sizeof(ad->b0idcode), |
| 102 | (unsigned char *) &ad->b0idcode)) |
| 103 | return -1; |
| 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | const struct blkid_idinfo adraid_idinfo = { |
| 108 | .name = "adaptec_raid_member", |
| 109 | .usage = BLKID_USAGE_RAID, |
| 110 | .probefunc = probe_adraid, |
| 111 | .magics = BLKID_NONE_MAGIC |
| 112 | }; |
| 113 | |
| 114 | |