1 files changed, 44 insertions, 0 deletions

diff --git a/fs/partitions/mac.h b/fs/partitions/mac.h
new file mode 100644
index 000000000000..bbf26e1386fa
--- /dev/null
+++ b/fs/partitions/mac.h
@@ -0,0 +1,44 @@
+/*
+ *  fs/partitions/mac.h
+ */
+
+#define MAC_PARTITION_MAGIC     0x504d
+
+/* type field value for A/UX or other Unix partitions */
+#define APPLE_AUX_TYPE  "Apple_UNIX_SVR2"
+
+struct mac_partition {
+        __be16  signature;      /* expected to be MAC_PARTITION_MAGIC */
+        __be16  res1;
+        __be32  map_count;      /* # blocks in partition map */
+        __be32  start_block;    /* absolute starting block # of partition */
+        __be32  block_count;    /* number of blocks in partition */
+        char    name[32];       /* partition name */
+        char    type[32];       /* string type description */
+        __be32  data_start;     /* rel block # of first data block */
+        __be32  data_count;     /* number of data blocks */
+        __be32  status;         /* partition status bits */
+        __be32  boot_start;
+        __be32  boot_size;
+        __be32  boot_load;
+        __be32  boot_load2;
+        __be32  boot_entry;
+        __be32  boot_entry2;
+        __be32  boot_cksum;
+        char    processor[16];  /* identifies ISA of boot */
+        /* there is more stuff after this that we don't need */
+};
+
+#define MAC_STATUS_BOOTABLE     8       /* partition is bootable */
+
+#define MAC_DRIVER_MAGIC        0x4552
+
+/* Driver descriptor structure, in block 0 */
+struct mac_driver_desc {
+        __be16  signature;      /* expected to be MAC_DRIVER_MAGIC */
+        __be16  block_size;
+        __be32  block_count;
+    /* ... more stuff */
+};
+
+int mac_partition(struct parsed_partitions *state, struct block_device *bdev);