From d25c33f186c7cf3618c34ce79af94fe156f9ab02 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Mon, 17 Mar 2008 09:25:05 +0000 Subject: volume_id: disable detection routines which are not setting label and uuid anyway function old new delta static.warn 1 - -1 static.drive_name_string 14 12 -2 static.offsets 8 - -8 static.sectors 10 - -10 fs2 60 48 -12 raid2 16 - -16 uuidcache_init 704 677 -27 raid1 32 - -32 volume_id_probe_all 198 158 -40 volume_id_probe_lvm1 58 - -58 volume_id_probe_highpoint_37x_raid 63 - -63 volume_id_probe_hpfs 67 - -67 volume_id_probe_minix 74 - -74 volume_id_probe_lvm2 78 - -78 volume_id_probe_silicon_medley_raid 97 - -97 volume_id_probe_via_raid 101 - -101 volume_id_probe_highpoint_45x_raid 104 - -104 volume_id_probe_nvidia_raid 108 - -108 volume_id_probe_lsi_mega_raid 108 - -108 volume_id_probe_intel_software_raid 108 - -108 volume_id_probe_ufs 126 - -126 volume_id_probe_promise_fasttrack_raid 144 - -144 ------------------------------------------------------------------------------ (add/remove: 0/18 grow/shrink: 0/4 up/down: 0/-1384) Total: -1384 bytes text data bss dec hex filename 794244 662 7420 802326 c3e16 busybox_old 792698 662 7420 800780 c380c busybox_unstripped --- util-linux/volume_id/unused_promise_raid.c | 63 ++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 util-linux/volume_id/unused_promise_raid.c (limited to 'util-linux/volume_id/unused_promise_raid.c') diff --git a/util-linux/volume_id/unused_promise_raid.c b/util-linux/volume_id/unused_promise_raid.c new file mode 100644 index 000000000..75c6f89d4 --- /dev/null +++ b/util-linux/volume_id/unused_promise_raid.c @@ -0,0 +1,63 @@ +/* + * volume_id - reads filesystem label and uuid + * + * Copyright (C) 2005 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 + */ + +#include "volume_id_internal.h" + +struct promise_meta { + uint8_t sig[24]; +} __attribute__((packed)); + +#define PDC_CONFIG_OFF 0x1200 +#define PDC_SIGNATURE "Promise Technology, Inc." + +int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size) +{ + static const unsigned short sectors[] = { + 63, 255, 256, 16, 399 + }; + + struct promise_meta *pdc; + unsigned i; + + dbg("probing at offset 0x%llx, size 0x%llx", + (unsigned long long) off, (unsigned long long) size); + + if (size < 0x40000) + return -1; + + for (i = 0; i < ARRAY_SIZE(sectors); i++) { + uint64_t meta_off; + + meta_off = ((size / 0x200) - sectors[i]) * 0x200; + pdc = volume_id_get_buffer(id, off + meta_off, 0x200); + if (pdc == NULL) + return -1; + + if (memcmp(pdc->sig, PDC_SIGNATURE, sizeof(PDC_SIGNATURE)-1) == 0) + goto found; + } + return -1; + + found: +// volume_id_set_usage(id, VOLUME_ID_RAID); +// id->type = "promise_fasttrack_raid_member"; + + return 0; +} -- cgit v1.2.3