block/partitions/atari.h

   1 /*
   2  *  fs/partitions/atari.h
   3  *  Moved by Russell King from:
   4  *
   5  * linux/include/linux/atari_rootsec.h
   6  * definitions for Atari Rootsector layout
   7  * by Andreas Schwab (schwab@ls5.informatik.uni-dortmund.de)
   8  *
   9  * modified for ICD/Supra partitioning scheme restricted to at most 12
  10  * partitions
  11  * by Guenther Kelleter (guenther@pool.informatik.rwth-aachen.de)
  12  */
  13
  14 #include <linux/compiler.h>
  15
  16 struct partition_info
  17 {
  18   u8 flg;                       /* bit 0: active; bit 7: bootable */
  19   char id[3];                   /* "GEM", "BGM", "XGM", or other */
  20   __be32 st;                    /* start of partition */
  21   __be32 siz;                   /* length of partition */
  22 };
  23
  24 struct rootsector
  25 {
  26   char unused[0x156];           /* room for boot code */
  27   struct partition_info icdpart[8];     /* info for ICD-partitions 5..12 */
  28   char unused2[0xc];
  29   u32 hd_siz;                   /* size of disk in blocks */
  30   struct partition_info part[4];
  31   u32 bsl_st;                   /* start of bad sector list */
  32   u32 bsl_cnt;                  /* length of bad sector list */
  33   u16 checksum;                 /* checksum for bootable disks */
  34 } __packed;
  35
  36 int atari_partition(struct parsed_partitions *state);