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authorKay Sievers <kay.sievers@suse.de>2006-05-15 21:57:28 +0200
committerKay Sievers <kay.sievers@suse.de>2006-05-15 21:57:28 +0200
commit6deef787557f46628cec4a65e18864173ea720c8 (patch)
treeb55cc882152302d312393db4cc02257a10a1296a /extras/volume_id/lib/adaptec_raid.c
parent2bac6c64aa7808cafd7706d56887a97ba9f7817d (diff)
libvolume_id: add more software raid signatures
Diffstat (limited to 'extras/volume_id/lib/adaptec_raid.c')
-rw-r--r--extras/volume_id/lib/adaptec_raid.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/extras/volume_id/lib/adaptec_raid.c b/extras/volume_id/lib/adaptec_raid.c
new file mode 100644
index 0000000000..858c3ba09e
--- /dev/null
+++ b/extras/volume_id/lib/adaptec_raid.c
@@ -0,0 +1,112 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2006 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 adaptec_meta {
+ uint32_t b0idcode;
+ uint8_t lunsave[8];
+ uint16_t sdtype;
+ uint16_t ssavecyl;
+ uint8_t ssavehed;
+ uint8_t ssavesec;
+ uint8_t sb0flags;
+ uint8_t jbodEnable;
+ uint8_t lundsave;
+ uint8_t svpdirty;
+ uint16_t biosInfo;
+ uint16_t svwbskip;
+ uint16_t svwbcln;
+ uint16_t svwbmax;
+ uint16_t res3;
+ uint16_t svwbmin;
+ uint16_t res4;
+ uint16_t svrcacth;
+ uint16_t svwcacth;
+ uint16_t svwbdly;
+ uint8_t svsdtime;
+ uint8_t res5;
+ uint16_t firmval;
+ uint16_t firmbln;
+ uint32_t firmblk;
+ uint32_t fstrsvrb;
+ uint16_t svBlockStorageTid;
+ uint16_t svtid;
+ uint8_t svseccfl;
+ uint8_t res6;
+ uint8_t svhbanum;
+ uint8_t resver;
+ uint32_t drivemagic;
+ uint8_t reserved[20];
+ uint8_t testnum;
+ uint8_t testflags;
+ uint16_t maxErrorCount;
+ uint32_t count;
+ uint32_t startTime;
+ uint32_t interval;
+ uint8_t tstxt0;
+ uint8_t tstxt1;
+ uint8_t serNum[32];
+ uint8_t res8[102];
+ uint32_t fwTestMagic;
+ uint32_t fwTestSeqNum;
+ uint8_t fwTestRes[8];
+ uint8_t smagic[4];
+ uint32_t raidtbl;
+ uint16_t raidline;
+ uint8_t res9[0xF6];
+} PACKED;
+
+int volume_id_probe_adaptec_raid(struct volume_id *id, uint64_t off, uint64_t size)
+{
+ const uint8_t *buf;
+ uint64_t meta_off;
+ struct adaptec_meta *ad;
+
+ info("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)-1) * 0x200;
+ buf = volume_id_get_buffer(id, off + meta_off, 0x200);
+ if (buf == NULL)
+ return -1;
+
+ ad = (struct adaptec_meta *) buf;
+ if (memcmp(ad->smagic, "DPTM", 4) != 0)
+ return -1;
+
+ if (ad->b0idcode != be32_to_cpu(0x37FC4D1E))
+ return -1;
+
+ volume_id_set_usage(id, VOLUME_ID_RAID);
+ snprintf(id->type_version, sizeof(id->type_version)-1, "%u", ad->resver);
+ id->type = "adaptec_raid_member";
+
+ return 0;
+}