X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=extras%2Fvolume_id%2Fvolume_id%2Fhighpoint.c;h=33c4a8c9c0bff7643838271697491d1ee1808a48;hb=9bd72b9b6b2645ea3c36ef0be9a070e8ff67904f;hp=72f7d28429413e111aac2165718cf42fa6b61cb8;hpb=138068d690d79e71239d3e776f01560afbabc1cb;p=elogind.git diff --git a/extras/volume_id/volume_id/highpoint.c b/extras/volume_id/volume_id/highpoint.c index 72f7d2842..33c4a8c9c 100644 --- a/extras/volume_id/volume_id/highpoint.c +++ b/extras/volume_id/volume_id/highpoint.c @@ -3,19 +3,9 @@ * * Copyright (C) 2004 Kay Sievers * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation version 2 of the License. */ #ifndef _GNU_SOURCE @@ -32,27 +22,34 @@ #include #include #include -#include #include "volume_id.h" #include "logging.h" #include "util.h" #include "highpoint.h" -struct hpt37x { - __u8 filler1[32]; - __u32 magic; - __u32 magic_0; - __u32 magic_1; -} __attribute__((packed)) *hpt; +struct hpt37x_meta { + uint8_t filler1[32]; + uint32_t magic; +} __attribute__((packed)); + +struct hpt45x_meta { + uint32_t magic; +} __attribute__((packed)); #define HPT37X_CONFIG_OFF 0x1200 #define HPT37X_MAGIC_OK 0x5a7816f0 #define HPT37X_MAGIC_BAD 0x5a7816fd -int volume_id_probe_highpoint_ataraid(struct volume_id *id, __u64 off) +#define HPT45X_MAGIC_OK 0x5a7816f3 +#define HPT45X_MAGIC_BAD 0x5a7816fd + + +int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off) { - const __u8 *buf; + const uint8_t *buf; + struct hpt37x_meta *hpt; + uint32_t magic; dbg("probing at offset 0x%llx", (unsigned long long) off); @@ -60,13 +57,42 @@ int volume_id_probe_highpoint_ataraid(struct volume_id *id, __u64 off) if (buf == NULL) return -1; - hpt = (struct hpt37x *) buf; + hpt = (struct hpt37x_meta *) buf; + magic = le32_to_cpu(hpt->magic); + if (magic != HPT37X_MAGIC_OK && magic != HPT37X_MAGIC_BAD) + return -1; + + volume_id_set_usage(id, VOLUME_ID_RAID); + id->type = "highpoint_raid_member"; + + return 0; +} + +int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size) +{ + const uint8_t *buf; + struct hpt45x_meta *hpt; + uint64_t meta_off; + uint32_t magic; + + dbg("probing at offset 0x%llx, size 0x%llx", + (unsigned long long) off, (unsigned long long) size); + + if (size < 0x10000) + return -1; + + meta_off = ((size / 0x200)-11) * 0x200; + buf = volume_id_get_buffer(id, off + meta_off, 0x200); + if (buf == NULL) + return -1; - if (hpt->magic != HPT37X_MAGIC_OK && hpt->magic != HPT37X_MAGIC_BAD) + hpt = (struct hpt45x_meta *) buf; + magic = le32_to_cpu(hpt->magic); + if (magic != HPT45X_MAGIC_OK && magic != HPT45X_MAGIC_BAD) return -1; volume_id_set_usage(id, VOLUME_ID_RAID); - id->type = "hpt_ataraid_member"; + id->type = "highpoint_raid_member"; return 0; }