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kernel/linux-imx6_3.14.28/block/partitions/mac.h 1.23 KB
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  /*
   *  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);