/*
 *	unixdisk.h
 *
 *	Type Definition for "unixdisk.c"
 */

#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#include <fcntl.h>
#include <time.h>
#include <dos.h>

#ifndef	USEUTIME
#include <sys/time.h>
#endif

#ifdef	DJGPP
#include <dpmi.h>
#include <go32.h>
#include <sys/farptr.h>
#define	FAR
#define	NOP	0x00
#define	RETF	0xc3
# if	(DJGPP >= 2)
# include <libc/dosio.h>
# else
# define	__dpmi_regs	_go32_dpmi_registers
# define	__dpmi_int(v,r)	((r) -> x.ss = (r) -> x.sp = 0, \
				_go32_dpmi_simulate_int(v, r))
# define	_dos_ds		_go32_info_block.selector_for_linear_memory
# define	__tb	_go32_info_block.linear_address_of_transfer_buffer
# define	__tb_offset	(__tb & 15)
# define	__tb_segment	(__tb / 16)
# endif
#define	tbsize			_go32_info_block.size_of_transfer_buffer
#define	PTR_FAR(ptr)		((u_long)(__tb))
#define	PTR_SEG(ptr)		(__tb_segment)
#define	PTR_OFF(ptr, ofs)	(__tb_offset + (ofs))
#else	/* !DJGPP */
# ifdef	__TURBOC__	/* Oops!! Borland C++ has not x.bp !! */
typedef union DPMI_REGS {
	struct XREGS {
		u_short ax, bx, cx, dx, si, di, bp, flags;
	} x;
	struct HREGS {
		u_char al, ah, bl, bh, cl, ch, dl, dh;
	} h;
} __dpmi_regs;
# else
typedef union REGS	__dpmi_regs;
# endif
#define	__attribute__(x)
#define	FAR	far
#define	NOP	0x90
#define	RETF	0xcb
#define	PTR_FAR(ptr)		(((u_long)FP_SEG(ptr) << 4) + FP_OFF(ptr))
#define	PTR_SEG(ptr)		FP_SEG(ptr)
#define	PTR_OFF(ptr, ofs)	FP_OFF(ptr)
#endif	/* !DJGPP */

#define	FR_CARRY	00001
#define	FR_PARITY	00004
#define	FR_ACARRY	00020
#define	FR_ZERO		00100
#define	FR_SIGN		00200
#define	FR_TRAP		00400
#define	FR_INTERRUPT	01000
#define	FR_DIRECTION	02000
#define	FR_OVERFLOW	04000

#include "unixemu.h"

#define	DATETIMEFORMAT	1
#define	DS_IRDONLY	001
#define	DS_IHIDDEN	002
#define	DS_IFSYSTEM	004
#define	DS_IFLABEL	010
#define	DS_IFDIR	020
#define	DS_IARCHIVE	040
#define	SEARCHATTRS	(DS_IRDONLY | DS_IHIDDEN | DS_IFSYSTEM \
			| DS_IFDIR | DS_IARCHIVE)
#define	PSEUDOINTNO	0x80
#define	MAXINTNO	0xff

#define	BOOTSECTSIZE	512
#define	MAXSECTSIZE	4096
#define	BIOSRETRY	4
#define	VOL_FAT32	"FAT32"

#ifdef	PC98
#define	DISKBIOS	0x1b
#define	BIOS_READ	0x06
#define	BIOS_WRITE	0x05
#define	BIOS_VERIFY	0x01
#define	BIOS_PARAM	0x84
#define	BIOS_RESET	0x03
#define	BIOS_HDD	0x80
#define	BIOS_SCSI	0xa0
#define	BIOS_DMAERR	0x20
#define	MAX_HDD		4
#define	MAX_SCSI	8

#define	PT_FAT12	0x81	/* 0x80 | 0x01 */
#define	PT_FAT16	0x91	/* 0x80 | 0x11 */
#define	PT_FREEBSD	0x94	/* 0x80 | 0x14 */
#define	PT_FAT16X	0xa1	/* 0x80 | 0x21 */
#define	PT_NTFS		0xb1	/* 0x80 | 0x31 */
#define	PT_386BSD	0xc4	/* 0x80 | 0x44 */
#define	PT_FAT32	0xe1	/* 0x80 | 0x61 */
#define	PT_LINUX	0xe2	/* 0x80 | 0x62 */

#define	PART_TABLE	0x0000
#define	PART_NUM	16
#else	/* !PC98 */
#define	DISKBIOS	0x13
#define	BIOS_READ	0x02
#define	BIOS_WRITE	0x03
#define	BIOS_VERIFY	0x04
#define	BIOS_PARAM	0x08
#define	BIOS_RESET	0x00
#define	BIOS_TYPE	0x15
#define	BIOS_XCHECK	0x41
#define	BIOS_XREAD	0x42
#define	BIOS_XWRITE	0x43
#define	BIOS_XVERIFY	0x44
#define	BIOS_XPARAM	0x48
#define	BIOS_HDD	0x80
#define	BIOS_DMAERR	0x09

#define	DT_NODRIVE	0x00
#define	DT_FLOPPY	0x01
#define	DT_FLOPPY_CL	0x02
#define	DT_HARDDISK	0x03

#define	PT_FAT12	0x01
#define	PT_FAT16	0x04
#define	PT_EXTEND	0x05
#define	PT_FAT16X	0x06
#define	PT_NTFS		0x07
#define	PT_FAT32	0x0b
#define	PT_FAT32LBA	0x0c
#define	PT_FAT16XLBA	0x0e
#define	PT_EXTENDLBA	0x0f
#define	PT_LINUX	0x83
#define	PT_386BSD	0xa5
#define	PT_OPENBSD	0xa6
#define	PT_NETBSD	0xa9

#define	PART_TABLE	0x01be
#define	PART_NUM	4
#endif	/* !PC98 */

typedef struct _partition_t {
	u_char boot __attribute__ ((packed));
#ifdef	PC98
	u_char filesys __attribute__ ((packed));
	u_char reserved[2] __attribute__ ((packed));
	u_char ipl_sect __attribute__ ((packed));
	u_char ipl_head __attribute__ ((packed));
	u_char ipl_cyl[2] __attribute__ ((packed));
	u_char s_sect __attribute__ ((packed));
	u_char s_head __attribute__ ((packed));
	u_char s_cyl[2] __attribute__ ((packed));
	u_char e_sect __attribute__ ((packed));
	u_char e_head __attribute__ ((packed));
	u_char e_cyl[2] __attribute__ ((packed));
	u_char name[16] __attribute__ ((packed));
#else
	u_char s_head __attribute__ ((packed));
	u_char s_sect __attribute__ ((packed));
	u_char s_cyl __attribute__ ((packed));
	u_char filesys __attribute__ ((packed));
	u_char e_head __attribute__ ((packed));
	u_char e_sect __attribute__ ((packed));
	u_char e_cyl __attribute__ ((packed));
	u_char f_sect[4] __attribute__ ((packed));
	u_char t_sect[4] __attribute__ ((packed));
#endif
} partition_t;
#define	PART_SIZE	((int)sizeof(partition_t))

typedef struct _xparam_t {
	u_char size[2] __attribute__ ((packed));
	u_char flags[2] __attribute__ ((packed));
	u_char cyl[4] __attribute__ ((packed));
	u_char head[4] __attribute__ ((packed));
	u_char sect[4] __attribute__ ((packed));
	u_char total[8] __attribute__ ((packed));
	u_char sectsize[2] __attribute__ ((packed));
	u_char eddparam[4] __attribute__ ((packed));
	u_char signature[2] __attribute__ ((packed));
	u_char infolen __attribute__ ((packed));
	u_char reserved[3] __attribute__ ((packed));
	u_char busname[4] __attribute__ ((packed));
	u_char interfacename[8] __attribute__ ((packed));
	u_char interfacepath[8] __attribute__ ((packed));
	u_char devicepath[8] __attribute__ ((packed));
	u_char reserved2 __attribute__ ((packed));
	u_char checksum __attribute__ ((packed));
} xparam_t;
#define	XPARAM_SIZE	((int)sizeof(xparam_t))

typedef struct _xpacket_t {
	u_char size __attribute__ ((packed));
	u_char reserved __attribute__ ((packed));
	u_char nsect[2] __attribute__ ((packed));
	u_char bufptr[4] __attribute__ ((packed));
	u_char sect[8] __attribute__ ((packed));
} xpacket_t;
#define	XPACKET_SIZE	((int)sizeof(xpacket_t))

typedef struct _drvinfo {
	u_long head;
	u_long sect;
	u_long cyl;
	u_long secthead;
	u_char s_head;
	u_char s_sect;
	u_short s_cyl;
#ifndef	PC98
	u_long f_sect;
#endif
	u_short sectsize;
	u_char drv;
	u_char flags;
	u_char filesys;
} drvinfo;

#define	DI_TYPE		0003
#define	DI_NOPLOVED	0000
#define	DI_FIXED	0001
#define	DI_REMOVABLE	0002
#define	DI_MISC		0003
#define	DI_PSEUDO	0004
#define	DI_CHECKED	0010
#define	DI_LBA		0020
#define	DI_INVALIDCHS	0040

struct dosfind_t {
	u_char keyattr __attribute__ ((packed));
	u_char drive __attribute__ ((packed));
	char body[8], ext[3] __attribute__ ((packed));
	char reserve[8] __attribute__ ((packed));
	u_char attr __attribute__ ((packed));
	u_short wrtime, wrdate __attribute__ ((packed));
	u_long size_l __attribute__ ((packed));
	char name[13] __attribute__ ((packed));
};

struct lfnfind_t {
	u_long attr __attribute__ ((packed));
	u_short crtime, crdate, crtime_h1, crtime_h2 __attribute__ ((packed));
	u_short actime, acdate, actime_h1, actime_h2 __attribute__ ((packed));
	u_short wrtime, wrdate, wrtime_h1, wrtime_h2 __attribute__ ((packed));
	u_long size_h, size_l __attribute__ ((packed));
	u_long reserve1, reserve2 __attribute__ ((packed));
	char name[MAXPATHLEN] __attribute__ ((packed));
	char alias[14] __attribute__ ((packed));
};

struct iopacket_t {
	u_long sect __attribute__ ((packed));
	u_short size __attribute__ ((packed));
	u_short buf_off __attribute__ ((packed));
	u_short buf_seg __attribute__ ((packed));
};

struct fat32statfs_t {
	u_short f_type __attribute__ ((packed));
	u_short f_version __attribute__ ((packed));
	u_long f_clustsize __attribute__ ((packed));
	u_long f_sectsize __attribute__ ((packed));
	u_long f_bavail __attribute__ ((packed));
	u_long f_blocks __attribute__ ((packed));
	u_long f_real_bavail_sect __attribute__ ((packed));
	u_long f_real_blocks_sect __attribute__ ((packed));
	u_long f_real_bavail __attribute__ ((packed));
	u_long f_real_blocks __attribute__ ((packed));
	u_char reserved[8] __attribute__ ((packed));
};

typedef struct _statfs_t {
	long	f_bsize;
	long	f_blocks;
	long	f_bfree;
	long	f_bavail;
	long	f_files;
} statfs_t;

extern int getcurdrv __P_((VOID_A));
extern int setcurdrv __P_((int, int));
#ifndef	_NOUSELFN
extern int getdosver __P_((VOID_A));
extern int supportLFN __P_((char *));
#endif
extern char *unixgetcurdir __P_((char *, int));
#ifndef	_NOUSELFN
extern char *shortname __P_((char *, char *));
#endif
extern char *unixrealpath __P_((char *, char *));
#ifndef	_NOUSELFN
extern char *preparefile __P_((char *, char *));
# ifdef	DJGPP
extern char *adjustfname __P_((char *));
# endif
# ifndef	_NODOSDRIVE
extern int checkdrive __P_((int));
extern int rawdiskio __P_((int, u_long, u_char *, int, int, int));
# endif
#endif	/* !_NOUSELFN */
extern DIR *unixopendir __P_((char *));
extern int unixclosedir __P_((DIR *));
extern struct dirent *unixreaddir __P_((DIR *));
extern int unixrewinddir __P_((DIR *));
#ifdef	_NOUSELFN
#define	unixunlink	unlink
#define	unixrename	rename
#define	unixmkdir(p, m)	mkdir(p)
#define	unixrmdir	rmdir
#define	unixchdir	chdir
#else
extern int unixunlink __P_((char *));
extern int unixrename __P_((char *, char *));
extern int unixmkdir __P_((char *, int));
extern int unixrmdir __P_((char *));
extern int unixchdir __P_((char *));
#endif
extern char *unixgetcwd __P_((char *, int, int));
extern int unixstatfs __P_((char *, statfs_t *));
extern int unixstat __P_((char *, struct stat *));
extern int unixchmod __P_((char *, int));
#ifdef	_NOUSELFN
#define	unixutime	utime
#define	unixutimes	utimes
#else	/* !_NOUSELFN */
# ifdef	USEUTIME
extern int unixutime __P_((char *, struct utimbuf *));
# else
extern int unixutimes __P_((char *, struct timeval []));
# endif
extern int unixopen __P_((char *, int, int));
extern FILE *unixfopen __P_((char *, char *));
#endif	/* !_NOUSELFN */