diff options
| -rw-r--r-- | extras/volume_id/README | 1 | ||||
| -rw-r--r-- | extras/volume_id/lib/Makefile | 1 | ||||
| -rw-r--r-- | extras/volume_id/lib/libvolume_id.h | 1 | ||||
| -rw-r--r-- | extras/volume_id/lib/oracleasm.c | 65 | ||||
| -rw-r--r-- | extras/volume_id/lib/volume_id.c | 1 |
5 files changed, 69 insertions, 0 deletions
diff --git a/extras/volume_id/README b/extras/volume_id/README index 01b4c446c6..0c5e37f969 100644 --- a/extras/volume_id/README +++ b/extras/volume_id/README @@ -41,6 +41,7 @@ ocfs (1, 2) * * * * vxfs * - - * nss (netware) * * * gfs, gfs2 * * - - +oracleasm * * - - Raid members are detected to prevent the probing for a filesystem ----------------------------------------------------------------- diff --git a/extras/volume_id/lib/Makefile b/extras/volume_id/lib/Makefile index 0b6c727b98..67006dcf52 100644 --- a/extras/volume_id/lib/Makefile +++ b/extras/volume_id/lib/Makefile @@ -52,6 +52,7 @@ OBJS= \ vxfs.o \ squashfs.o \ netware.o \ + oracleasm.o \ volume_id.o \ util.o diff --git a/extras/volume_id/lib/libvolume_id.h b/extras/volume_id/lib/libvolume_id.h index 19aee68d01..6cce6e377d 100644 --- a/extras/volume_id/lib/libvolume_id.h +++ b/extras/volume_id/lib/libvolume_id.h @@ -119,6 +119,7 @@ extern int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64 extern int volume_id_probe_lvm1(struct volume_id *id, uint64_t off, uint64_t size); extern int volume_id_probe_lvm2(struct volume_id *id, uint64_t off, uint64_t size); extern int volume_id_probe_ddf_raid(struct volume_id *id, uint64_t off, uint64_t size); +extern int volume_id_probe_oracleasm(struct volume_id *id, uint64_t off, uint64_t size); /* bios raid */ extern int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size); diff --git a/extras/volume_id/lib/oracleasm.c b/extras/volume_id/lib/oracleasm.c new file mode 100644 index 0000000000..0f5ff80cfb --- /dev/null +++ b/extras/volume_id/lib/oracleasm.c @@ -0,0 +1,65 @@ +/* + * 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 "libvolume_id.h" +#include "util.h" + +struct oracleasm_super_block { + uint8_t tag[8]; + uint8_t id[24]; +} PACKED; + +#define ASM_SB_OFF 0x20 +#define ASM_MAGIC "ORCLDISK" + +/* + * Detect Oracle Automatic Storage Management (ASM). + * It can do mirroring, but don't consider it RAID in the sense + * that an ext3 filesystem could live inside. Thus, mark it 'other'. + * There also is a magic word 'ORCLCLRD'; like blkid(8), we ignore that. + */ +int volume_id_probe_oracleasm(struct volume_id *id, uint64_t off, uint64_t size) +{ + const uint8_t *buf; + struct oracleasm_super_block *oracleasm; + + info("probing at offset 0x%llx\n", (unsigned long long) off); + + buf = volume_id_get_buffer(id, off + ASM_SB_OFF, 0x800); + if (buf == NULL) + return -1; + + oracleasm = (struct oracleasm_super_block *) buf; + + if (memcmp(oracleasm->tag, ASM_MAGIC, 8) != 0) + return -1; + + volume_id_set_usage(id, VOLUME_ID_OTHER); + volume_id_set_label_raw(id, oracleasm->id, 24); + volume_id_set_label_string(id, oracleasm->id, 24); + id->type = "oracleasm"; + + return 0; +} diff --git a/extras/volume_id/lib/volume_id.c b/extras/volume_id/lib/volume_id.c index baeaa9f74e..b247fe2ddb 100644 --- a/extras/volume_id/lib/volume_id.c +++ b/extras/volume_id/lib/volume_id.c @@ -77,6 +77,7 @@ static const struct prober prober_filesystem[] = { { volume_id_probe_vxfs, { "vxfs", } }, { volume_id_probe_squashfs, { "squashfs", } }, { volume_id_probe_netware, { "netware", } }, + { volume_id_probe_oracleasm, { "oracleasm", } }, }; /* the user can overwrite this log function */ |