[mirror_ubuntu-artful-kernel.git] / arch / i386 / oprofile / op_x86_model.h

/**
 * @file op_x86_model.h
 * interface to x86 model-specific MSR operations
 *
 * @remark Copyright 2002 OProfile authors
 * @remark Read the file COPYING
 *
 * @author Graydon Hoare
 */

#ifndef OP_X86_MODEL_H
#define OP_X86_MODEL_H

struct op_saved_msr {
	unsigned int high;
	unsigned int low;
};

struct op_msr {
	unsigned long addr;
	struct op_saved_msr saved;
};

struct op_msrs {
	struct op_msr * counters;
	struct op_msr * controls;
};

struct pt_regs;

/* The model vtable abstracts the differences between
 * various x86 CPU model's perfctr support.
 */
struct op_x86_model_spec {
	unsigned int const num_counters;
	unsigned int const num_controls;
	void (*fill_in_addresses)(struct op_msrs * const msrs);
	void (*setup_ctrs)(struct op_msrs const * const msrs);
	int (*check_ctrs)(struct pt_regs * const regs,
		struct op_msrs const * const msrs);
	void (*start)(struct op_msrs const * const msrs);
	void (*stop)(struct op_msrs const * const msrs);
};

extern struct op_x86_model_spec const op_ppro_spec;
extern struct op_x86_model_spec const op_p4_spec;
extern struct op_x86_model_spec const op_p4_ht2_spec;
extern struct op_x86_model_spec const op_athlon_spec;

#endif /* OP_X86_MODEL_H */
Commit	Line	Data
1da177e4 LT	1	/**
	2	* @file op_x86_model.h
	3	* interface to x86 model-specific MSR operations
	4	*
	5	* @remark Copyright 2002 OProfile authors
	6	* @remark Read the file COPYING
	7	*
	8	* @author Graydon Hoare
	9	*/
	10
	11	#ifndef OP_X86_MODEL_H
	12	#define OP_X86_MODEL_H
	13
	14	struct op_saved_msr {
	15	unsigned int high;
	16	unsigned int low;
	17	};
	18
	19	struct op_msr {
	20	unsigned long addr;
	21	struct op_saved_msr saved;
	22	};
	23
	24	struct op_msrs {
	25	struct op_msr * counters;
	26	struct op_msr * controls;
	27	};
	28
	29	struct pt_regs;
	30
	31	/* The model vtable abstracts the differences between
	32	* various x86 CPU model's perfctr support.
	33	*/
	34	struct op_x86_model_spec {
	35	unsigned int const num_counters;
	36	unsigned int const num_controls;
	37	void (fill_in_addresses)(struct op_msrs const msrs);
	38	void (setup_ctrs)(struct op_msrs const const msrs);
	39	int (check_ctrs)(struct pt_regs const regs,
	40	struct op_msrs const * const msrs);
	41	void (start)(struct op_msrs const const msrs);
	42	void (stop)(struct op_msrs const const msrs);
	43	};
	44
	45	extern struct op_x86_model_spec const op_ppro_spec;
	46	extern struct op_x86_model_spec const op_p4_spec;
	47	extern struct op_x86_model_spec const op_p4_ht2_spec;
	48	extern struct op_x86_model_spec const op_athlon_spec;
	49
	50	#endif /* OP_X86_MODEL_H */