chiark / gitweb /
volume_id: LVM - add uuid
authorHannes Reinecke <hare@suse.de>
Sun, 16 Dec 2007 18:22:32 +0000 (19:22 +0100)
committerKay Sievers <kay.sievers@vrfy.org>
Sun, 16 Dec 2007 18:22:32 +0000 (19:22 +0100)
extras/volume_id/lib/Makefile
extras/volume_id/lib/linux_raid.c
extras/volume_id/lib/lvm.c
extras/volume_id/lib/util.c
extras/volume_id/lib/util.h

index b206854..925eff9 100644 (file)
@@ -13,7 +13,7 @@ INSTALL_DATA  = ${INSTALL} -m 644
 INSTALL_LIB = ${INSTALL} -m 755
 
 SHLIB_CUR = 0
-SHLIB_REV = 81
+SHLIB_REV = 82
 SHLIB_AGE = 0
 SHLIB = libvolume_id.so.$(SHLIB_CUR).$(SHLIB_REV).$(SHLIB_AGE)
 
index 3c2e86e..5e0c4a4 100644 (file)
@@ -87,7 +87,7 @@ static int volume_id_probe_linux_raid0(struct volume_id *id, uint64_t off, uint6
                        uuid.ints[2] = 0;
                        uuid.ints[3] = 0;
                }
-               volume_id_set_uuid(id, uuid.bytes, 0, UUID_FOURINT);
+               volume_id_set_uuid(id, uuid.bytes, 0, UUID_MD);
                snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u.%u",
                         le32_to_cpu(mdp0->major_version),
                         le32_to_cpu(mdp0->minor_version),
@@ -103,7 +103,7 @@ static int volume_id_probe_linux_raid0(struct volume_id *id, uint64_t off, uint6
                        uuid.ints[2] = 0;
                        uuid.ints[3] = 0;
                }
-               volume_id_set_uuid(id, uuid.bytes, 0, UUID_FOURINT);
+               volume_id_set_uuid(id, uuid.bytes, 0, UUID_MD);
                snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u.%u",
                         be32_to_cpu(mdp0->major_version),
                         be32_to_cpu(mdp0->minor_version),
@@ -134,7 +134,7 @@ static int volume_id_probe_linux_raid1(struct volume_id *id, uint64_t off, uint6
        if (le32_to_cpu(mdp1->major_version) != 1)
                return -1;
 
-       volume_id_set_uuid(id, mdp1->set_uuid, 0, UUID_FOURINT);
+       volume_id_set_uuid(id, mdp1->set_uuid, 0, UUID_MD);
        volume_id_set_label_raw(id, mdp1->set_name, 32);
        volume_id_set_label_string(id, mdp1->set_name, 32);
        volume_id_set_usage(id, VOLUME_ID_RAID);
index 9c83c55..7c4f811 100644 (file)
@@ -38,6 +38,11 @@ struct lvm2_super_block {
        uint8_t         type[8];
 } PACKED;
 
+struct lvm2_pv_header {
+       uint8_t         id[32];
+       uint64_t        devsize_xl;
+} PACKED;
+
 #define LVM1_SB_OFF                    0x400
 #define LVM1_MAGIC                     "HM"
 
@@ -71,6 +76,7 @@ int volume_id_probe_lvm2(struct volume_id *id, uint64_t off, uint64_t size)
        const uint8_t *buf;
        unsigned int soff;
        struct lvm2_super_block *lvm;
+       struct lvm2_pv_header *pvhdr;
 
        dbg("probing at offset 0x%llx", (unsigned long long) off);
 
@@ -89,8 +95,13 @@ int volume_id_probe_lvm2(struct volume_id *id, uint64_t off, uint64_t size)
        return -1;
 
 found:
+       dbg("found at offset 0x%x (pv hdr offset 0x%x)",
+           soff, cpu_to_le32(lvm->offset_xl));
+       soff += cpu_to_le32(lvm->offset_xl);
+       pvhdr = (struct lvm2_pv_header *) &buf[soff];
        memcpy(id->type_version, lvm->type, 8);
        volume_id_set_usage(id, VOLUME_ID_RAID);
+       volume_id_set_uuid(id, pvhdr->id, 0, UUID_LVM);
        id->type = "LVM2_member";
 
        return 0;
index 395e81b..c094661 100644 (file)
@@ -274,9 +274,12 @@ void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, size_t len, en
        case UUID_DCE:
                count = 16;
                break;
-       case UUID_FOURINT:
+       case UUID_MD:
                count = 35;
                break;
+       case UUID_LVM:
+               count = 32;
+               break;
        }
        memcpy(id->uuid_raw, buf, count);
        id->uuid_raw_len = count;
@@ -324,7 +327,7 @@ set:
                memcpy(id->uuid, buf, count);
                id->uuid[count] = '\0';
                break;
-       case UUID_FOURINT:
+       case UUID_MD:
                sprintf(id->uuid,
                        "%02x%02x%02x%02x:%02x%02x%02x%02x:%02x%02x%02x%02x:%02x%02x%02x%02x",
                        buf[0], buf[1], buf[2], buf[3],
@@ -332,6 +335,17 @@ set:
                        buf[8], buf[9], buf[10], buf[11],
                        buf[12], buf[13], buf[14],buf[15]);
                break;
+       case UUID_LVM:
+               sprintf(id->uuid,
+                       "%c%c%c%c%c%c-%c%c%c%c-%c%c%c%c-%c%c%c%c-%c%c%c%c-%c%c%c%c-%c%c%c%c%c%c",
+                       buf[0], buf[1], buf[2], buf[3], buf[4], buf[5],
+                       buf[6], buf[7], buf[8], buf[9],
+                       buf[10], buf[11], buf[12], buf[13],
+                       buf[14], buf[15], buf[16], buf[17],
+                       buf[18], buf[19], buf[20], buf[21],
+                       buf[22], buf[23], buf[24], buf[25],
+                       buf[26], buf[27], buf[28], buf[29], buf[30], buf[31]);
+               break;
        }
 }
 
index 14a76c8..e3c766d 100644 (file)
@@ -71,7 +71,8 @@ enum uuid_format {
        UUID_DOS,
        UUID_64BIT_LE,
        UUID_64BIT_BE,
-       UUID_FOURINT,
+       UUID_MD,
+       UUID_LVM,
 };
 
 enum endian {