/*	$OpenBSD: sysarch.h,v 1.3 2004/02/27 23:45:55 deraadt Exp $	*/
/*	$NetBSD: sysarch.h,v 1.1 2003/04/26 18:39:48 fvdl Exp $	*/

#ifndef _AMD64_SYSARCH_H_
#define _AMD64_SYSARCH_H_

/*
 * Architecture specific syscalls (amd64)
 */
#define AMD64_GET_LDT	0
#define AMD64_SET_LDT	1
#define	AMD64_IOPL	2
#define	AMD64_GET_IOPERM	3
#define	AMD64_SET_IOPERM	4
#define	AMD64_VM86	5
#define	AMD64_PMC_INFO	8
#define	AMD64_PMC_STARTSTOP 9
#define	AMD64_PMC_READ	10
#define AMD64_GET_MTRR   11
#define AMD64_SET_MTRR   12

/*
 * XXX todo.
 */
struct amd64_get_ldt_args {
	int start;
	union descriptor *desc;
	int num;
};

struct amd64_set_ldt_args {
	int start;
	union descriptor *desc;
	int num;
};

struct amd64_iopl_args {
	int iopl;
};

struct amd64_get_ioperm_args {
	u_long *iomap;
};

struct amd64_set_ioperm_args {
	u_long *iomap;
};

struct amd64_pmc_info_args {
	int	type;
	int	flags;
};

#define	PMC_TYPE_NONE		0
#define	PMC_TYPE_I586		1
#define	PMC_TYPE_I686		2

#define	PMC_INFO_HASTSC		0x01

#define	PMC_NCOUNTERS		2

struct amd64_pmc_startstop_args {
	int counter;
	u_int64_t val;
	u_int8_t event;
	u_int8_t unit;
	u_int8_t compare;
	u_int8_t flags;
};

#define	PMC_SETUP_KERNEL	0x01
#define	PMC_SETUP_USER		0x02
#define	PMC_SETUP_EDGE		0x04
#define	PMC_SETUP_INV		0x08

struct amd64_pmc_read_args {
	int counter;
	u_int64_t val;
	u_int64_t time;
};

struct amd64_get_mtrr_args {
	struct mtrr *mtrrp;
	int *n;
};

struct amd64_set_mtrr_args {
	struct mtrr *mtrrp;
	int *n;
};


#ifdef _KERNEL
int amd64_iopl(struct proc *, void *, register_t *);
int amd64_get_mtrr(struct proc *, void *, register_t *);
int amd64_set_mtrr(struct proc *, void *, register_t *);
#else
int amd64_get_ldt(int, union descriptor *, int);
int amd64_set_ldt(int, union descriptor *, int);
int amd64_iopl(int);
int amd64_get_ioperm(u_long *);
int amd64_set_ioperm(u_long *);
int amd64_pmc_info(struct amd64_pmc_info_args *);
int amd64_pmc_startstop(struct amd64_pmc_startstop_args *);
int amd64_pmc_read(struct amd64_pmc_read_args *);
int amd64_set_mtrr(struct mtrr *, int *);
int amd64_get_mtrr(struct mtrr *, int *);
int sysarch(int, void *);
#endif

#endif /* !_AMD64_SYSARCH_H_ */