1995-04-29 01:55:25 +00:00
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/*
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1996-03-24 18:55:39 +00:00
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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2002-03-25 13:52:45 +00:00
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* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
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1996-03-24 18:55:39 +00:00
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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1999-08-28 00:22:10 +00:00
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* $FreeBSD$
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1996-03-24 18:55:39 +00:00
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*
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*/
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1995-04-28 23:57:04 +00:00
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2003-09-27 17:44:41 +00:00
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/* #define DEBUG 1 */
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2002-10-29 12:13:36 +00:00
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/* You can define a particular architecture here if you are debugging. */
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/* #define P_DEBUG p_sparc64 */
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2001-05-13 20:08:54 +00:00
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#define MAX_NO_DISKS 32
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1996-03-24 18:55:39 +00:00
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/* Max # of disks Disk_Names() will return */
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1995-04-29 04:50:39 +00:00
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2001-05-13 20:08:54 +00:00
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#define MAX_SEC_SIZE 2048 /* maximum sector size that is supported */
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#define MIN_SEC_SIZE 512 /* the sector size to end sensing at */
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2003-04-30 17:14:58 +00:00
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enum platform {
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2002-10-29 12:13:36 +00:00
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p_any, /* for debugging ! */
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p_alpha,
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p_i386,
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p_pc98,
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p_sparc64,
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p_ia64,
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2003-04-30 21:03:16 +00:00
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p_ppc,
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p_amd64
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2003-04-30 17:14:58 +00:00
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};
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extern const enum platform platform;
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2002-10-29 12:13:36 +00:00
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1995-05-06 03:28:32 +00:00
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typedef enum {
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whole,
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unknown,
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2002-10-29 12:13:36 +00:00
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sun,
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pc98,
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mbr,
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gpt,
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2002-11-10 20:49:28 +00:00
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efi,
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1995-05-06 03:28:32 +00:00
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fat,
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freebsd,
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extended,
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part,
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2002-10-29 12:13:36 +00:00
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spare,
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1997-03-19 01:54:04 +00:00
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unused
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1996-03-24 18:55:39 +00:00
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} chunk_e;
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1995-04-28 23:57:04 +00:00
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1996-03-24 18:55:39 +00:00
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__BEGIN_DECLS
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1995-04-28 23:57:04 +00:00
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struct disk {
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char *name;
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u_long bios_cyl;
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u_long bios_hd;
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u_long bios_sect;
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2000-08-12 14:20:31 +00:00
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#ifdef PC98
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u_char *bootipl;
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size_t bootipl_size;
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u_char *bootmenu;
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size_t bootmenu_size;
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#else
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2002-10-27 00:21:02 +00:00
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#if !defined(__ia64__)
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1995-04-29 04:50:39 +00:00
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u_char *bootmgr;
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2000-07-12 18:05:18 +00:00
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size_t bootmgr_size;
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2000-08-12 14:20:31 +00:00
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#endif
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2002-10-27 00:21:02 +00:00
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#endif
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#if !defined(__ia64__)
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1995-04-29 04:50:39 +00:00
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u_char *boot1;
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2002-10-27 00:21:02 +00:00
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#endif
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2003-04-30 21:03:16 +00:00
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#if defined(__i386__) || defined(__amd64__) /* the i386 needs extra help... */
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1995-04-29 04:50:39 +00:00
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u_char *boot2;
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1998-10-06 11:57:08 +00:00
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#endif
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1995-04-28 23:57:04 +00:00
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struct chunk *chunks;
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2001-05-13 20:08:54 +00:00
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u_long sector_size; /* media sector size, a power of 2 */
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1995-04-28 23:57:04 +00:00
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};
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struct chunk {
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struct chunk *next;
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struct chunk *part;
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1995-05-25 06:14:49 +00:00
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struct disk *disk;
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1995-05-08 02:08:33 +00:00
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long offset;
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1995-04-28 23:57:04 +00:00
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u_long size;
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u_long end;
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2002-10-22 10:51:58 +00:00
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char *sname; /* PC98 field */
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1995-04-28 23:57:04 +00:00
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char *name;
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1995-05-03 22:36:52 +00:00
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char *oname;
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1996-03-24 18:55:39 +00:00
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/* Used during Fixup_Names() to avoid renaming more than
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* absolutely needed.
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*/
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1995-04-28 23:57:04 +00:00
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chunk_e type;
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int subtype;
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u_long flags;
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1995-05-03 22:36:52 +00:00
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void (*private_free)(void*);
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void *(*private_clone)(void*);
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1996-03-24 18:55:39 +00:00
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void *private_data;
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/* For data private to the application, and the management
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* thereof. If the functions are not provided, no storage
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* management is done, Cloning will just copy the pointer
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* and freeing will just forget it.
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*/
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1995-04-28 23:57:04 +00:00
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};
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2001-12-09 23:40:02 +00:00
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/*
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* flags:
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*
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* ALIGN - This chunk should be aligned
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* IS_ROOT - This 'part' is a rootfs, allocate 'a'
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* ACTIVE - This is the active slice in the MBR
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* FORCE_ALL - Force a dedicated disk for FreeBSD, bypassing
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* all BIOS geometry considerations
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* AUTO_SIZE - This chunk was auto-sized and can fill-out a
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* following chunk if the following chunk is deleted.
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* NEWFS - newfs pending, used to enable auto-resizing on
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* delete (along with AUTO_SIZE).
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*/
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#define CHUNK_ALIGN 0x0008
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#define CHUNK_IS_ROOT 0x0010
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#define CHUNK_ACTIVE 0x0020
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#define CHUNK_FORCE_ALL 0x0040
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#define CHUNK_AUTO_SIZE 0x0080
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#define CHUNK_NEWFS 0x0100
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2002-01-07 07:47:25 +00:00
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#define DELCHUNK_NORMAL 0x0000
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#define DELCHUNK_RECOVER 0x0001
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2001-12-09 23:40:02 +00:00
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2002-11-11 18:55:57 +00:00
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const char *chunk_name(chunk_e);
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1996-03-24 18:55:39 +00:00
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1997-01-23 06:29:01 +00:00
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const char *
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2002-11-11 18:55:57 +00:00
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slice_type_name(int, int);
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2002-11-15 13:24:29 +00:00
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/* "chunk_n" for subtypes too */
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1997-01-23 06:29:01 +00:00
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1995-04-29 01:55:25 +00:00
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struct disk *
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2002-11-11 18:55:57 +00:00
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Open_Disk(const char *);
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2002-11-15 13:24:29 +00:00
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/* Will open the named disk, and return populated tree. */
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1995-04-29 01:55:25 +00:00
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1995-05-30 08:29:07 +00:00
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void
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2002-11-11 18:55:57 +00:00
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Free_Disk(struct disk *);
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2002-11-15 13:24:29 +00:00
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/* Free a tree made with Open_Disk() or Clone_Disk() */
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1995-04-29 01:55:25 +00:00
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void
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2002-11-11 18:55:57 +00:00
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Debug_Disk(struct disk *);
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2002-11-15 13:24:29 +00:00
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/* Print the content of the tree to stdout */
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1995-04-29 01:55:25 +00:00
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1995-05-30 08:29:07 +00:00
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void
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2002-11-11 18:55:57 +00:00
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Set_Bios_Geom(struct disk *, u_long, u_long, u_long);
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2002-11-15 13:24:29 +00:00
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/* Set the geometry the bios uses. */
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1995-04-29 01:55:25 +00:00
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1996-11-27 22:44:43 +00:00
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void
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2002-11-11 18:55:57 +00:00
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Sanitize_Bios_Geom(struct disk *);
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2002-11-15 13:24:29 +00:00
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/* Set the bios geometry to something sane */
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1996-11-27 22:44:43 +00:00
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2002-10-29 12:13:36 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Insert_Chunk(struct chunk *, u_long, u_long, const char *, chunk_e, int,
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u_long, const char *);
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2002-10-29 12:13:36 +00:00
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2002-01-07 07:47:25 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Delete_Chunk2(struct disk *, struct chunk *, int);
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2002-11-15 13:24:29 +00:00
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/* Free a chunk of disk_space modified by the passed flags. */
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2002-01-07 07:47:25 +00:00
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1995-05-30 08:29:07 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Delete_Chunk(struct disk *, struct chunk *);
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2002-11-15 13:24:29 +00:00
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/* Free a chunk of disk_space */
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1995-04-28 23:57:04 +00:00
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1995-04-29 01:55:25 +00:00
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void
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2002-11-11 18:55:57 +00:00
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Collapse_Disk(struct disk *);
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2002-11-15 13:24:29 +00:00
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/* Experimental, do not use. */
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1995-04-29 01:55:25 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Collapse_Chunk(struct disk *, struct chunk *);
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2002-11-15 13:24:29 +00:00
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/* Experimental, do not use. */
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1995-04-28 23:57:04 +00:00
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1995-05-30 08:29:07 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Create_Chunk(struct disk *, u_long, u_long, chunk_e, int, u_long, const char *);
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2002-11-15 13:24:29 +00:00
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/* Create a chunk with the specified paramters */
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1995-04-28 23:57:04 +00:00
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1995-04-29 04:00:57 +00:00
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void
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2002-11-11 18:55:57 +00:00
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All_FreeBSD(struct disk *, int);
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2002-11-15 13:24:29 +00:00
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/*
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* Make one FreeBSD chunk covering the entire disk;
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1996-03-24 18:55:39 +00:00
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* if force_all is set, bypass all BIOS geometry
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* considerations.
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*/
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1995-04-29 04:00:57 +00:00
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1995-05-30 08:29:07 +00:00
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char *
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2002-10-22 09:13:02 +00:00
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CheckRules(const struct disk *);
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2002-11-15 13:24:29 +00:00
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/* Return char* to warnings about broken design rules in this disklayout */
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1995-04-28 23:57:04 +00:00
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1995-04-29 04:50:39 +00:00
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char **
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2002-10-23 19:52:32 +00:00
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Disk_Names(void);
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2002-11-15 13:24:29 +00:00
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/*
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* Return char** with all disk's names (wd0, wd1 ...). You must free
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1996-03-24 18:55:39 +00:00
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* each pointer, as well as the array by hand
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*/
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1995-04-29 04:50:39 +00:00
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2000-08-12 14:20:31 +00:00
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#ifdef PC98
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void
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2002-11-11 18:55:57 +00:00
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Set_Boot_Mgr(struct disk *, const u_char *, const size_t, const u_char *,
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const size_t);
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2000-08-12 14:20:31 +00:00
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#else
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1995-04-29 04:50:39 +00:00
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void
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2002-11-11 18:55:57 +00:00
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Set_Boot_Mgr(struct disk *, const u_char *, const size_t);
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2000-08-12 14:20:31 +00:00
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#endif
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2002-11-15 13:24:29 +00:00
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/*
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* Use this boot-manager on this disk. Gets written when Write_Disk()
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1996-03-24 18:55:39 +00:00
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* is called
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*/
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1995-04-29 04:50:39 +00:00
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2001-05-13 20:08:54 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Set_Boot_Blocks(struct disk *, const u_char *, const u_char *);
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2002-11-15 13:24:29 +00:00
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/*
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* Use these boot-blocks on this disk. Gets written when Write_Disk()
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2001-05-13 20:08:54 +00:00
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* is called. Returns nonzero upon failure.
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1996-03-24 18:55:39 +00:00
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*/
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1995-04-29 04:50:39 +00:00
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1995-04-29 07:21:14 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Write_Disk(const struct disk *);
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2002-11-15 13:24:29 +00:00
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/* Write all the MBRs, disklabels, bootblocks and boot managers */
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1995-04-29 07:21:14 +00:00
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1995-04-30 06:09:29 +00:00
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u_long
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2002-11-11 18:55:57 +00:00
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Next_Cyl_Aligned(const struct disk *, u_long);
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2002-11-15 13:24:29 +00:00
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/* Round offset up to next cylinder according to the bios-geometry */
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1995-04-30 06:09:29 +00:00
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u_long
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2002-11-11 18:55:57 +00:00
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Prev_Cyl_Aligned(const struct disk *, u_long);
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2002-11-15 13:24:29 +00:00
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/* Round offset down to previous cylinder according to the bios-geometry */
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1995-04-30 06:09:29 +00:00
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int
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2002-11-11 18:55:57 +00:00
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Track_Aligned(const struct disk *, u_long);
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2002-11-15 13:24:29 +00:00
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/* Check if offset is aligned on a track according to the bios geometry */
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1995-04-30 06:09:29 +00:00
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u_long
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2002-11-11 18:55:57 +00:00
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Next_Track_Aligned(const struct disk *, u_long);
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2002-11-15 13:24:29 +00:00
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/* Round offset up to next track according to the bios-geometry */
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1995-04-30 06:09:29 +00:00
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u_long
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2002-11-11 18:55:57 +00:00
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Prev_Track_Aligned(const struct disk *, u_long);
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2002-11-15 13:24:29 +00:00
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/* Check if offset is aligned on a track according to the bios geometry */
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1995-04-30 06:09:29 +00:00
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1995-05-10 05:57:04 +00:00
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struct chunk *
|
2003-01-10 19:25:38 +00:00
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Create_Chunk_DWIM(struct disk *, struct chunk *, u_long, chunk_e, int,
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2002-11-11 18:55:57 +00:00
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u_long);
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2002-11-15 13:24:29 +00:00
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/*
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* This one creates a partition inside the given parent of the given
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1996-03-24 18:55:39 +00:00
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* size, and returns a pointer to it. The first unused chunk big
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* enough is used.
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*/
|
1995-05-10 05:57:04 +00:00
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1995-06-11 19:33:05 +00:00
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char *
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2002-11-11 18:55:57 +00:00
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ShowChunkFlags(struct chunk *);
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1996-03-24 18:55:39 +00:00
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/* Return string to show flags. */
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1995-06-11 19:33:05 +00:00
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1995-05-30 08:29:07 +00:00
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/*
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1995-04-29 01:55:25 +00:00
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* Implementation details >>> DO NOT USE <<<
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*/
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1995-04-28 23:57:04 +00:00
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2002-10-23 19:52:32 +00:00
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struct disklabel;
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2002-11-11 18:55:57 +00:00
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void Fill_Disklabel(struct disklabel *, const struct disk *,
|
2003-02-04 17:35:23 +00:00
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const struct chunk *);
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1995-04-28 23:57:04 +00:00
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void Debug_Chunk(struct chunk *);
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void Free_Chunk(struct chunk *);
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2002-11-11 18:55:57 +00:00
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struct chunk *Clone_Chunk(const struct chunk *);
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int Add_Chunk(struct disk *, long, u_long, const char *, chunk_e, int, u_long,
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const char *);
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void *read_block(int, daddr_t, u_long);
|
2002-10-22 09:13:02 +00:00
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int write_block(int, daddr_t, const void *, u_long);
|
2002-11-11 18:55:57 +00:00
|
|
|
struct disklabel *read_disklabel(int, daddr_t, u_long);
|
|
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struct disk *Int_Open_Disk(const char *);
|
2001-05-13 20:08:54 +00:00
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|
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int Fixup_Names(struct disk *);
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2002-11-11 18:55:57 +00:00
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int MakeDevChunk(const struct chunk *, const char *);
|
1996-03-24 18:55:39 +00:00
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__END_DECLS
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1995-04-28 23:57:04 +00:00
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#define dprintf printf
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1995-04-29 04:50:39 +00:00
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/* TODO
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*
|
2003-01-01 18:49:04 +00:00
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* Need an error string mechanism from the functions instead of warn()
|
1995-05-30 08:29:07 +00:00
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*
|
1995-04-29 04:50:39 +00:00
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* Make sure only FreeBSD start at offset==0
|
1995-05-30 08:29:07 +00:00
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*
|
1995-04-29 04:50:39 +00:00
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* Collapse must align.
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1995-05-30 08:29:07 +00:00
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*
|
1995-04-29 04:50:39 +00:00
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* Make Write_Disk(struct disk*)
|
1995-05-30 08:29:07 +00:00
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*
|
1995-04-29 04:50:39 +00:00
|
|
|
* Consider booting from OnTrack'ed disks.
|
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|
|
*
|
|
|
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* Get Bios-geom, ST506 & OnTrack from driver (or otherwise)
|
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*
|
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|
|
* Make Create_DWIM().
|
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*
|
1995-04-29 07:21:14 +00:00
|
|
|
* Make Is_Unchanged(struct disk *d1, struct chunk *c1)
|
1995-05-30 08:29:07 +00:00
|
|
|
*
|
1995-05-04 07:00:57 +00:00
|
|
|
* don't rename slices unless we have to
|
1995-04-29 04:50:39 +00:00
|
|
|
*
|
|
|
|
*Sample output from tst01:
|
|
|
|
*
|
1996-11-27 22:44:43 +00:00
|
|
|
* Debug_Disk(wd0) flags=0 bios_geom=0/0/0
|
1995-04-29 04:50:39 +00:00
|
|
|
* >> 0x3d040 0 1411200 1411199 wd0 0 whole 0 0
|
|
|
|
* >>>> 0x3d080 0 960120 960119 wd0s1 3 freebsd 0 8
|
|
|
|
* >>>>>> 0x3d100 0 40960 40959 wd0s1a 5 part 0 0
|
|
|
|
* >>>>>> 0x3d180 40960 131072 172031 wd0s1b 5 part 0 0
|
|
|
|
* >>>>>> 0x3d1c0 172032 409600 581631 wd0s1e 5 part 0 0
|
|
|
|
* >>>>>> 0x3d200 581632 378488 960119 wd0s1f 5 part 0 0
|
|
|
|
* >>>> 0x3d140 960120 5670 965789 wd0s2 4 extended 0 8
|
1995-05-06 03:28:32 +00:00
|
|
|
* >>>>>> 0x3d2c0 960120 63 960182 - 6 unused 0 0
|
1995-04-29 04:50:39 +00:00
|
|
|
* >>>>>> 0x3d0c0 960183 5607 965789 wd0s5 2 fat 0 8
|
|
|
|
* >>>> 0x3d280 965790 1890 967679 wd0s3 1 foo -2 8
|
|
|
|
* >>>> 0x3d300 967680 443520 1411199 wd0s4 3 freebsd 0 8
|
|
|
|
* >>>>>> 0x3d340 967680 443520 1411199 wd0s4a 5 part 0 0
|
|
|
|
*
|
|
|
|
* ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
|
|
|
|
* level chunkptr start size end name type subtype flags
|
|
|
|
*
|
|
|
|
* Underlying data structure:
|
|
|
|
*
|
|
|
|
* Legend:
|
|
|
|
* <struct chunk> --> part
|
|
|
|
* |
|
|
|
|
* v next
|
|
|
|
*
|
|
|
|
* <wd0> --> <wd0s1> --> <wd0s1a>
|
|
|
|
* | |
|
|
|
|
* | v
|
|
|
|
* | <wd0s1b>
|
|
|
|
* | |
|
|
|
|
* | v
|
|
|
|
* | <wd0s1e>
|
|
|
|
* | |
|
|
|
|
* | v
|
|
|
|
* | <wd0s1f>
|
|
|
|
* |
|
|
|
|
* v
|
1995-05-06 03:28:32 +00:00
|
|
|
* <wd0s2> --> <unused>
|
1995-04-29 04:50:39 +00:00
|
|
|
* | |
|
|
|
|
* | v
|
|
|
|
* | <wd0s5>
|
|
|
|
* |
|
|
|
|
* v
|
1995-05-30 08:29:07 +00:00
|
|
|
* <wd0s3>
|
1995-04-29 04:50:39 +00:00
|
|
|
* |
|
|
|
|
* v
|
|
|
|
* <wd0s4> --> <wd0s4a>
|
|
|
|
*
|
|
|
|
*
|
|
|
|
*/
|