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unused_highpoint.c 2.5 KB

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  1. /*
  2. * volume_id - reads filesystem label and uuid
  3. *
  4. * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
  5. *
  6. * This library is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU Lesser General Public
  8. * License as published by the Free Software Foundation; either
  9. * version 2.1 of the License, or (at your option) any later version.
  10. *
  11. * This library is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. * Lesser General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU Lesser General Public
  17. * License along with this library; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. */
  20. //config:### config FEATURE_VOLUMEID_HIGHPOINTRAID
  21. //config:### bool "highpoint raid"
  22. //config:### default y
  23. //config:### depends on VOLUMEID
  24. //kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID) += highpoint.o
  25. #include "volume_id_internal.h"
  26. struct hpt37x_meta {
  27. uint8_t filler1[32];
  28. uint32_t magic;
  29. } PACKED;
  30. struct hpt45x_meta {
  31. uint32_t magic;
  32. } PACKED;
  33. #define HPT37X_CONFIG_OFF 0x1200
  34. #define HPT37X_MAGIC_OK 0x5a7816f0
  35. #define HPT37X_MAGIC_BAD 0x5a7816fd
  36. #define HPT45X_MAGIC_OK 0x5a7816f3
  37. #define HPT45X_MAGIC_BAD 0x5a7816fd
  38. int FAST_FUNC volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
  39. {
  40. struct hpt37x_meta *hpt;
  41. uint32_t magic;
  42. dbg("probing at offset 0x%llx", (unsigned long long) off);
  43. hpt = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
  44. if (hpt == NULL)
  45. return -1;
  46. magic = hpt->magic;
  47. if (magic != cpu_to_le32(HPT37X_MAGIC_OK) && magic != cpu_to_le32(HPT37X_MAGIC_BAD))
  48. return -1;
  49. // volume_id_set_usage(id, VOLUME_ID_RAID);
  50. // id->type = "highpoint_raid_member";
  51. return 0;
  52. }
  53. int FAST_FUNC volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
  54. {
  55. struct hpt45x_meta *hpt;
  56. uint64_t meta_off;
  57. uint32_t magic;
  58. dbg("probing at offset 0x%llx, size 0x%llx",
  59. (unsigned long long) off, (unsigned long long) size);
  60. if (size < 0x10000)
  61. return -1;
  62. meta_off = ((size / 0x200)-11) * 0x200;
  63. hpt = volume_id_get_buffer(id, off + meta_off, 0x200);
  64. if (hpt == NULL)
  65. return -1;
  66. magic = hpt->magic;
  67. if (magic != cpu_to_le32(HPT45X_MAGIC_OK) && magic != cpu_to_le32(HPT45X_MAGIC_BAD))
  68. return -1;
  69. // volume_id_set_usage(id, VOLUME_ID_RAID);
  70. // id->type = "highpoint_raid_member";
  71. return 0;
  72. }