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Diffstat (limited to 'util-linux/volume_id/silicon_raid.c')
-rw-r--r--util-linux/volume_id/silicon_raid.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/util-linux/volume_id/silicon_raid.c b/util-linux/volume_id/silicon_raid.c
new file mode 100644
index 000000000..ea001745f
--- /dev/null
+++ b/util-linux/volume_id/silicon_raid.c
@@ -0,0 +1,69 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2005 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 silicon_meta {
+ uint8_t unknown0[0x2E];
+ uint8_t ascii_version[0x36 - 0x2E];
+ uint8_t diskname[0x56 - 0x36];
+ uint8_t unknown1[0x60 - 0x56];
+ uint32_t magic;
+ uint32_t unknown1a[0x6C - 0x64];
+ uint32_t array_sectors_low;
+ uint32_t array_sectors_high;
+ uint8_t unknown2[0x78 - 0x74];
+ uint32_t thisdisk_sectors;
+ uint8_t unknown3[0x100 - 0x7C];
+ uint8_t unknown4[0x104 - 0x100];
+ uint16_t product_id;
+ uint16_t vendor_id;
+ uint16_t minor_ver;
+ uint16_t major_ver;
+} __attribute__((packed));
+
+#define SILICON_MAGIC 0x2F000000
+
+int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
+{
+ uint64_t meta_off;
+ struct silicon_meta *sil;
+
+ 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)-1) * 0x200;
+ sil = volume_id_get_buffer(id, off + meta_off, 0x200);
+ if (sil == NULL)
+ return -1;
+
+ if (sil->magic != cpu_to_le32(SILICON_MAGIC))
+ return -1;
+
+ volume_id_set_usage(id, VOLUME_ID_RAID);
+ snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u",
+ le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
+ id->type = "silicon_medley_raid_member";
+
+ return 0;
+}