diff options
Diffstat (limited to 'extras/volume_id/libvolume_id/highpoint.c')
-rw-r--r-- | extras/volume_id/libvolume_id/highpoint.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/extras/volume_id/libvolume_id/highpoint.c b/extras/volume_id/libvolume_id/highpoint.c new file mode 100644 index 0000000000..721b7ab26f --- /dev/null +++ b/extras/volume_id/libvolume_id/highpoint.c @@ -0,0 +1,97 @@ +/* + * volume_id - reads filesystem label and uuid + * + * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org> + * + * 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 +#define _GNU_SOURCE 1 +#endif + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> + +#include "volume_id.h" +#include "logging.h" +#include "util.h" + +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 + +#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 uint8_t *buf; + struct hpt37x_meta *hpt; + uint32_t magic; + + dbg("probing at offset 0x%llx", (unsigned long long) off); + + buf = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200); + if (buf == NULL) + return -1; + + 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; + + 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 = "highpoint_raid_member"; + + return 0; +} |