diff options
Diffstat (limited to 'util-linux/volume_id/unused_nvidia_raid.c')
| -rw-r--r-- | util-linux/volume_id/unused_nvidia_raid.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/util-linux/volume_id/unused_nvidia_raid.c b/util-linux/volume_id/unused_nvidia_raid.c new file mode 100644 index 000000000..692aad111 --- /dev/null +++ b/util-linux/volume_id/unused_nvidia_raid.c | |||
| @@ -0,0 +1,56 @@ | |||
| 1 | /* | ||
| 2 | * volume_id - reads filesystem label and uuid | ||
| 3 | * | ||
| 4 | * Copyright (C) 2005 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 | |||
| 21 | #include "volume_id_internal.h" | ||
| 22 | |||
| 23 | struct nvidia_meta { | ||
| 24 | uint8_t vendor[8]; | ||
| 25 | uint32_t size; | ||
| 26 | uint32_t chksum; | ||
| 27 | uint16_t version; | ||
| 28 | } __attribute__((packed)); | ||
| 29 | |||
| 30 | #define NVIDIA_SIGNATURE "NVIDIA" | ||
| 31 | |||
| 32 | int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size) | ||
| 33 | { | ||
| 34 | uint64_t meta_off; | ||
| 35 | struct nvidia_meta *nv; | ||
| 36 | |||
| 37 | dbg("probing at offset 0x%llx, size 0x%llx", | ||
| 38 | (unsigned long long) off, (unsigned long long) size); | ||
| 39 | |||
| 40 | if (size < 0x10000) | ||
| 41 | return -1; | ||
| 42 | |||
| 43 | meta_off = ((size / 0x200)-2) * 0x200; | ||
| 44 | nv = volume_id_get_buffer(id, off + meta_off, 0x200); | ||
| 45 | if (nv == NULL) | ||
| 46 | return -1; | ||
| 47 | |||
| 48 | if (memcmp(nv->vendor, NVIDIA_SIGNATURE, sizeof(NVIDIA_SIGNATURE)-1) != 0) | ||
| 49 | return -1; | ||
| 50 | |||
| 51 | // volume_id_set_usage(id, VOLUME_ID_RAID); | ||
| 52 | // snprintf(id->type_version, sizeof(id->type_version)-1, "%u", le16_to_cpu(nv->version)); | ||
| 53 | // id->type = "nvidia_raid_member"; | ||
| 54 | |||
| 55 | return 0; | ||
| 56 | } | ||
