chiark / gitweb /
[PATCH] Add support for highpoint ataraid to volume_id to suppress
authorkay.sievers@vrfy.org <kay.sievers@vrfy.org>
Tue, 2 Nov 2004 09:22:11 +0000 (10:22 +0100)
committerGreg KH <gregkh@suse.de>
Wed, 27 Apr 2005 05:09:26 +0000 (22:09 -0700)
extras/volume_id/volume_id.c
extras/volume_id/volume_id.h

index 0b43bc8..42d6588 100644 (file)
@@ -263,6 +263,36 @@ static void free_buffer(struct volume_id *id)
        }
 }
 
+#define HPT37X_CONFIG_OFF              0x1200
+#define HPT37X_MAGIC_OK                        0x5a7816f0
+#define HPT37X_MAGIC_BAD               0x5a7816fd
+static int probe_highpoint_ataraid(struct volume_id *id, __u64 off)
+{
+       struct hpt37x {
+               __u8    filler1[32];
+               __u32   magic;
+               __u32   magic_0;
+               __u32   magic_1;
+       } __attribute__((packed)) *hpt;
+
+       const __u8 *buf;
+
+       buf = get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
+       if (buf == NULL)
+               return -1;
+
+       hpt = (struct hpt37x *) buf;
+
+       if (hpt->magic != HPT37X_MAGIC_OK && hpt->magic != HPT37X_MAGIC_BAD)
+               return -1;
+
+       id->usage_id = VOLUME_ID_RAID;
+       id->type_id = VOLUME_ID_HPTRAID;
+       id->type = "hpt_ataraid_member";
+
+       return 0;
+}
+
 #define LVM1_SB_OFF                    0x400
 #define LVM1_MAGIC                     "HM"
 static int probe_lvm1(struct volume_id *id, __u64 off)
@@ -2038,6 +2068,9 @@ int volume_id_probe(struct volume_id *id,
        case VOLUME_ID_LVM2:
                rc = probe_lvm2(id, off);
                break;
+       case VOLUME_ID_HPTRAID:
+               rc = probe_highpoint_ataraid(id, off);
+               break;
        case VOLUME_ID_ALL:
        default:
                /* probe for raid first, cause fs probes may be successful on raid members */
@@ -2050,14 +2083,14 @@ int volume_id_probe(struct volume_id *id,
                rc = probe_lvm2(id, off);
                if (rc == 0)
                        break;
+               rc = probe_highpoint_ataraid(id, off);
+               if (rc == 0)
+                       break;
 
                /* signature in the first block, only small buffer needed */
                rc = probe_msdos_part_table(id, off);
                if (rc == 0)
                        break;
-               rc = probe_ntfs(id, off);
-               if (rc == 0)
-                       break;
                rc = probe_vfat(id, off);
                if (rc == 0)
                        break;
@@ -2095,6 +2128,9 @@ int volume_id_probe(struct volume_id *id,
                rc = probe_ufs(id, off);
                if (rc == 0)
                        break;
+               rc = probe_ntfs(id, off);
+               if (rc == 0)
+                       break;
 
                rc = -1;
        }
index c6f52be..d135f44 100644 (file)
@@ -21,7 +21,7 @@
 #ifndef _VOLUME_ID_H_
 #define _VOLUME_ID_H_
 
-#define VOLUME_ID_VERSION              25
+#define VOLUME_ID_VERSION              26
 
 #define VOLUME_ID_LABEL_SIZE           64
 #define VOLUME_ID_UUID_SIZE            16
@@ -36,7 +36,7 @@ enum volume_id_usage {
        VOLUME_ID_OTHER,
        VOLUME_ID_FILESYSTEM,
        VOLUME_ID_PARTITIONTABLE,
-       VOLUME_ID_RAID
+       VOLUME_ID_RAID,
 };
 
 enum volume_id_type {
@@ -59,7 +59,8 @@ enum volume_id_type {
        VOLUME_ID_UFS,
        VOLUME_ID_LINUX_RAID,
        VOLUME_ID_LVM1,
-       VOLUME_ID_LVM2
+       VOLUME_ID_LVM2,
+       VOLUME_ID_HPTRAID,
 };
 
 struct volume_id_partition {