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
14struct op_saved_msr {
15	unsigned int high;
16	unsigned int low;
17};
18
19struct op_msr {
20	unsigned long addr;
21	struct op_saved_msr saved;
22};
23
24struct op_msrs {
25	struct op_msr * counters;
26	struct op_msr * controls;
27};
28
29struct pt_regs;
30
31/* The model vtable abstracts the differences between
32 * various x86 CPU model's perfctr support.
33 */
34struct 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	void (*shutdown)(struct op_msrs const * const msrs);
44};
45
46extern struct op_x86_model_spec const op_ppro_spec;
47extern struct op_x86_model_spec const op_p4_spec;
48extern struct op_x86_model_spec const op_p4_ht2_spec;
49extern struct op_x86_model_spec const op_athlon_spec;
50
51#endif /* OP_X86_MODEL_H */
52