mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-11-01 17:51:08 +03:00
113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
/*
|
|
* 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\n",
|
|
(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;
|
|
}
|