/* SPDX-License-Identifier: GPL-2.0 */ /* * 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 */ };