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typedef enum {whole, foo, fat, freebsd, extended, part, unused, reserved} chunk_e;
#define CHAR_N static char *chunk_n[] = { \
"whole","foo","fat","freebsd","extended","part","unused","reserved"};
struct disk {
char *name;
u_long flags;
#define DISK_ON_TRACK 1
#define DISK_REAL_GEOM 2
u_long real_cyl;
u_long real_hd;
u_long real_sect;
u_long bios_cyl;
u_long bios_hd;
u_long bios_sect;
struct chunk *chunks;
};
struct chunk {
struct chunk *next;
struct chunk *part;
u_long offset;
u_long size;
u_long end;
char *name;
chunk_e type;
int subtype;
#define SUBTYPE_BSD_FS 1
#define SUBTYPE_BSD_SWAP 2
#define SUBTYPE_BSD_UNUSED 3
u_long flags;
#define CHUNK_PAST_1024 1
/* this chunk cannot be booted from */
#define CHUNK_BSD_COMPAT 2
/* this chunk is in the BSD-compatibility, and has a short name
* too, ie wd0s4f -> wd0f
*/
#define CHUNK_BAD144 4
/* this chunk has bad144 mapping */
#define CHUNK_ALIGN 8
};
struct disk *Open_Disk(char *devname);
void Free_Disk(struct disk *disk);
void Debug_Disk(struct disk *disk);
struct disk *Clone_Disk(struct disk *disk);
struct disk *Set_Phys_Geom(struct disk *disk, u_long cyl, u_long heads, u_long sects);
void Set_Bios_Geom(struct disk *disk, u_long cyl, u_long heads, u_long sects);
int Delete_Chunk(struct disk *disk, u_long offset, u_long end, chunk_e type);
void Collapse_Disk(struct disk *disk);
int Collapse_Chunk(struct disk *disk, struct chunk *chunk);
int Create_Chunk(struct disk *disk, u_long offset, u_long size, chunk_e type, int subtype, u_long flags);
/* Implementation details */
struct disk *Int_Open_Disk(char *devname, u_long maxsize);
void Debug_Chunk(struct chunk *);
void Free_Chunk(struct chunk *);
struct chunk * Clone_Chunk(struct chunk *);
int Add_Chunk(struct disk *, u_long , u_long , char *, chunk_e, int , u_long);
void Bios_Limit_Chunk(struct chunk *, u_long);
void * read_block(int, daddr_t );
struct disklabel * read_disklabel(int, daddr_t);
u_short dkcksum(struct disklabel *);
int Aligned(struct disk *d, u_long offset);
u_long Next_Aligned(struct disk *d, u_long offset);
u_long Prev_Aligned(struct disk *d, u_long offset);
struct chunk * Find_Mother_Chunk(struct chunk *, u_long , u_long , chunk_e);
#define dprintf printf
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