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Diffstat (limited to 'usr/src/lib/libfdisk/i386/libfdisk.h')
| -rw-r--r-- | usr/src/lib/libfdisk/i386/libfdisk.h | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/usr/src/lib/libfdisk/i386/libfdisk.h b/usr/src/lib/libfdisk/i386/libfdisk.h deleted file mode 100644 index ffba18dc29..0000000000 --- a/usr/src/lib/libfdisk/i386/libfdisk.h +++ /dev/null @@ -1,304 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - - -#ifndef _LIBFDISK_H_ -#define _LIBFDISK_H_ - -#include <limits.h> -#include <sys/dktp/fdisk.h> - -#ifdef __cplusplus -extern "C" { -#endif - -#define MAX_LOGDRIVE_OFFSET 63 - -#define FDISK_ERRNO 200 -#define FDISK_ETOOLONG (FDISK_ERRNO + 0) -#define FDISK_EOOBOUND (FDISK_ERRNO + 1) -#define FDISK_EZERO (FDISK_ERRNO + 2) -#define FDISK_EOVERLAP (FDISK_ERRNO + 3) -#define FDISK_ENOVGEOM (FDISK_ERRNO + 4) -#define FDISK_ENOPGEOM (FDISK_ERRNO + 5) -#define FDISK_ENOLGEOM (FDISK_ERRNO + 6) -#define FDISK_ENOLOGDRIVE (FDISK_ERRNO + 7) -#define FDISK_EBADLOGDRIVE (FDISK_ERRNO + 8) -#define FDISK_ENOEXTPART (FDISK_ERRNO + 9) -#define FDISK_EBADMAGIC (FDISK_ERRNO + 10) -#define FDISK_EMOUNTED (FDISK_ERRNO + 11) - -#define FDISK_SUCCESS 0 - -#define FDISK_READ_DISK 0x00000001 - -#define LINUX_SWAP_MAGIC_LENGTH 10 -enum { - PHYSGEOM = 0, - VIRTGEOM, - NCYL, - NHEADS, - NSECTPT, - SSIZE, - ACYL -}; - -enum { - FDISK_MINOR_WRITE = 1, - FDISK_MAJOR_WRITE -}; - -#define FDISK_SECTS_PER_CYL(epp) \ - (epp->disk_geom.phys_heads * epp->disk_geom.phys_sec) -#define FDISK_SECT_TO_CYL(epp, x) ((x) / (FDISK_SECTS_PER_CYL(epp))) -#define FDISK_CYL_TO_SECT(epp, x) ((x) * (FDISK_SECTS_PER_CYL(epp))) -#define FDISK_ABS_CYL_NUM(epp, x) (FDISK_SECT_TO_CYL(x) +\ - epp->ext_beg_cyl) - -#define FDISK_CYL_BNDRY_ALIGN(epp, x) (((x) % (FDISK_SECTS_PER_CYL(epp))) ? \ - (((x)/(FDISK_SECTS_PER_CYL(epp))) + 1) :\ - ((x)/(FDISK_SECTS_PER_CYL(epp)))) - -/* - * Extended partition structure : - * +--------------+ - * |+--+ | - * || |----------+---> structure at the beginning of the extended partition - * ||--| | ( Lets call it the EBR - Extended Boot Record ) - * || | +---+---> - * |+--+ | | Logical drive within the extended partition - * |+---------+--+| ( We will plainly call this a logical drive ) - * || || - * || || - * || || - * |+------------+| - * +--------------+ - * - * - * EBR is effectively "struct ipart parts[2]". - * The picture below shows what the EBR contains. The EBR has - * two important pieces of information. The first is the offset and the size - * of the logical drive in this extended partition. The second is the offset - * and size of the next extended partition. The offsets are relative to - * beginning of the first extended partition. These extended partitions are - * arranged like a linked list. - * Note that (currently) only one extended partition can exist in the MBR. - * The system ID of a logical drive within the extended partition cannot be - * that of an extended partition. - * - * +------+ - * | | - * +--------------+ | +-v------------+ - * |+--+ | | |+--+ | - * || |---+ | | || | | - * ||--| | | | ||--| | - * || |---|------+-+ || | | - * |+--+ | | |+--+ | - * |+------v-----+| |+------------+| - * || || || || - * || || || || - * || || || || - * |+------------+| |+------------+| - * +--------------+ +--------------+ - * - */ - -/* - * Main structure used to record changes to the partitions made. - * Changes are not written to disk everytime, but maintained in this structure. - * This information is used when the user chooses to commit the changes. - * A linked list of this structure represents the ondisk partitions. - */ -typedef struct logical_drive { - - /* structure holding the EBR data */ - struct ipart parts[2]; - - /* - * Absolute beginning sector of the extended partition, and hence an - * indicator of where the EBR for this logical drive would go on disk. - * NOTE : In case the first logical drive in this extended partition is - * out of (disk) order, this indicates the beginning of the logical - * drive. The EBR will anyway be at the first sector of the extended - * partition, for the first logical drive. - */ - uint32_t abs_secnum; - - /* - * Offset of the logical drive from the beginning of its extended - * partition - */ - uint32_t logdrive_offset; - - /* Size of the logical drive in sectors */ - uint32_t numsect; - - /* Beginning and ending cylinders of the extended partition */ - uint32_t begcyl, endcyl; - - /* - * Flag to indicate if this record is to be sync'ed to disk. - * It takes two values : FDISK_MAJOR_WRITE and FDISK_MINOR_WRITE - * If it is a minor write, there is no need to update the information - * in the kernel structures. Example of a minor write is correction of - * a corrupt boot signature. - */ - int modified; - - /* - * This pointer points to the next extended partition in the order - * found on disk. - */ - struct logical_drive *next; - - /* - * This pointer points to the next extended partition in a sorted list - * sorted in the ascending order of their beginning cylinders. - */ - struct logical_drive *sorted_next; - -} logical_drive_t; - -typedef struct fdisk_disk_geom { - ushort_t phys_cyl; - ushort_t phys_sec; - ushort_t phys_heads; - ushort_t alt_cyl; - ushort_t virt_cyl; - ushort_t virt_sec; - ushort_t virt_heads; - ushort_t sectsize; -} fdisk_disk_geom_t; - -typedef struct ext_part -{ - /* Structure holding geometry information about the device */ - fdisk_disk_geom_t disk_geom; - - struct ipart *mtable; - - char device_name[PATH_MAX]; - - int dev_fd; - - int op_flag; - - /* - * Head of the in memory structure (singly linked list) of extended - * partition information. - */ - logical_drive_t *ld_head; - logical_drive_t *sorted_ld_head; - - /* Beginning cylinder of the extended partition */ - uint32_t ext_beg_cyl; - - /* Ending cylinder of the extended partition */ - uint32_t ext_end_cyl; - - /* Beginning sector of the extended partition */ - uint32_t ext_beg_sec; - - /* Ending sector of the extended partition */ - uint32_t ext_end_sec; - - /* Count of the number of logical drives in the extended partition */ - int logical_drive_count; - - /* - * Flag to keep track of the update to be made to the Extended Boot - * Record (EBR) when all logical drives are deleted. The EBR is filled - * with zeroes in such a case. - */ - int first_ebr_is_null; - - /* - * Flag to indicate corrupt logical drives. Can happen when a partition - * manager creates an extended partition and does not null the first EBR - * or when important ondisk structures are overwritten by a bad program - */ - int corrupt_logical_drives; - - /* - * The boot block signature 0xAA55 might not be found on some of the - * EBRs. ( Even though the rest of the data might be good ) - * The following array is used to store the list of such logical drive - * numbers. - */ - uchar_t invalid_bb_sig[MAX_EXT_PARTS]; - - /* - * Can add a "next" pointer here in case support for multiple - * extended partitions becomes the standard someday. - * - * struct ext_part *next; - */ -} ext_part_t; - -#define fdisk_get_logical_drive_count(epp) ((epp)->logical_drive_count) -#define fdisk_corrupt_logical_drives(epp) ((epp)->corrupt_logical_drives) -#define fdisk_get_ext_beg_cyl(epp) ((epp)->ext_beg_cyl) -#define fdisk_get_ext_end_cyl(epp) ((epp)->ext_end_cyl) -#define fdisk_get_ext_beg_sec(epp) ((epp)->ext_beg_sec) -#define fdisk_get_ext_end_sec(epp) ((epp)->ext_end_sec) -#define fdisk_get_ld_head(epp) ((epp)->ld_head) -#define fdisk_is_solaris_part(id) (((id) == SUNIXOS) || ((id) == SUNIXOS2)) -#define fdisk_is_dos_extended(id) (((id) == EXTDOS) || ((id) == FDISK_EXTLBA)) - -extern int fdisk_is_linux_swap(ext_part_t *epp, uint32_t part_start, - off_t *lsm_offset); -extern int libfdisk_init(ext_part_t **epp, char *devstr, struct ipart *parttab, - int opflag); -extern int libfdisk_reset(ext_part_t *epp); -extern void libfdisk_fini(ext_part_t **epp); -extern int fdisk_ext_find_first_free_sec(ext_part_t *epp, - uint32_t *first_free_sec); -extern uint32_t fdisk_ext_find_last_free_sec(ext_part_t *epp, uint32_t begsec); -extern int fdisk_ext_part_exists(ext_part_t *epp); -extern int fdisk_validate_logical_drive(ext_part_t *epp, uint32_t begsec, - uint32_t offset, uint32_t numsec); -extern int fdisk_ext_validate_part_start(ext_part_t *epp, uint32_t begcyl, - uint32_t *begsec); -extern int fdisk_get_solaris_part(ext_part_t *epp, int *pnum, uint32_t *begsec, - uint32_t *numsec); -extern int fdisk_get_part_info(ext_part_t *epp, int pnum, uchar_t *sysid, - uint32_t *begsec, uint32_t *numsec); -extern int fdisk_commit_ext_part(ext_part_t *epp); -extern void fdisk_change_logical_drive_id(ext_part_t *epp, int pno, - uchar_t partid); -extern void fdisk_add_logical_drive(ext_part_t *epp, uint32_t begsec, - uint32_t endsec, uchar_t partid); -extern void fdisk_delete_logical_drive(ext_part_t *epp, int pno); -extern int fdisk_init_ext_part(ext_part_t *epp, uint32_t rsect, uint32_t nsect); -extern int fdisk_delete_ext_part(ext_part_t *epp); -extern int fdisk_get_disk_geom(ext_part_t *epp, int type, int what); -extern int fdisk_invalid_bb_sig(ext_part_t *epp, uchar_t **bbsig_arr); -extern int fdisk_mounted_logical_drives(ext_part_t *epp); - -#ifdef __cplusplus -} -#endif - -#endif /* _LIBFDISK_H_ */ |