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author | Denis Vlasenko | 2008-02-18 21:08:49 +0000 |
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committer | Denis Vlasenko | 2008-02-18 21:08:49 +0000 |
commit | de7684a309ad20c1b889d048d741cb1dd52245f7 (patch) | |
tree | efae3387e1978cdd128ff2a922b734d0e9d0180f /util-linux/volume_id/highpoint.c | |
parent | 27dd495b98a6135554b1d839fefe436ba3c6ca71 (diff) | |
download | busybox-de7684a309ad20c1b889d048d741cb1dd52245f7.zip busybox-de7684a309ad20c1b889d048d741cb1dd52245f7.tar.gz |
support for mount by label (not yet tested)
Also adds findfs applet. Closes bug 1143.
Diffstat (limited to 'util-linux/volume_id/highpoint.c')
-rw-r--r-- | util-linux/volume_id/highpoint.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/util-linux/volume_id/highpoint.c b/util-linux/volume_id/highpoint.c new file mode 100644 index 0000000..de31a2a --- /dev/null +++ b/util-linux/volume_id/highpoint.c @@ -0,0 +1,86 @@ +/* + * volume_id - reads filesystem label and uuid + * + * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org> + * + * 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 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) +{ + struct hpt37x_meta *hpt; + uint32_t magic; + + dbg("probing at offset 0x%llx", (unsigned long long) off); + + hpt = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200); + if (hpt == NULL) + return -1; + + magic = hpt->magic; + if (magic != cpu_to_le32(HPT37X_MAGIC_OK) && magic != cpu_to_le32(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) +{ + 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; + hpt = volume_id_get_buffer(id, off + meta_off, 0x200); + if (hpt == NULL) + return -1; + + magic = hpt->magic; + if (magic != cpu_to_le32(HPT45X_MAGIC_OK) && magic != cpu_to_le32(HPT45X_MAGIC_BAD)) + return -1; + + volume_id_set_usage(id, VOLUME_ID_RAID); + id->type = "highpoint_raid_member"; + + return 0; +} |