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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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/*
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* fs/partitions/mac.h
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*/
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#define MAC_PARTITION_MAGIC 0x504d
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/* type field value for A/UX or other Unix partitions */
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#define APPLE_AUX_TYPE "Apple_UNIX_SVR2"
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struct mac_partition {
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__be16 signature; /* expected to be MAC_PARTITION_MAGIC */
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__be16 res1;
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__be32 map_count; /* # blocks in partition map */
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__be32 start_block; /* absolute starting block # of partition */
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__be32 block_count; /* number of blocks in partition */
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char name[32]; /* partition name */
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char type[32]; /* string type description */
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__be32 data_start; /* rel block # of first data block */
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__be32 data_count; /* number of data blocks */
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__be32 status; /* partition status bits */
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__be32 boot_start;
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__be32 boot_size;
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__be32 boot_load;
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__be32 boot_load2;
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__be32 boot_entry;
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__be32 boot_entry2;
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__be32 boot_cksum;
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char processor[16]; /* identifies ISA of boot */
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/* there is more stuff after this that we don't need */
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};
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#define MAC_STATUS_BOOTABLE 8 /* partition is bootable */
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#define MAC_DRIVER_MAGIC 0x4552
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/* Driver descriptor structure, in block 0 */
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struct mac_driver_desc {
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__be16 signature; /* expected to be MAC_DRIVER_MAGIC */
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__be16 block_size;
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__be32 block_count;
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/* ... more stuff */
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};
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int mac_partition(struct parsed_partitions *state, struct block_device *bdev);
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