1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2005, Joseph Koshy
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31/* Machine dependent interfaces */
32
33#ifndef _DEV_HWPMC_AMD_H_
34#define	_DEV_HWPMC_AMD_H_ 1
35
36/* AMD K7 and K8 PMCs */
37
38#define	AMD_PMC_EVSEL_0		0xC0010000
39#define	AMD_PMC_EVSEL_1		0xC0010001
40#define	AMD_PMC_EVSEL_2		0xC0010002
41#define	AMD_PMC_EVSEL_3		0xC0010003
42
43#define	AMD_PMC_PERFCTR_0	0xC0010004
44#define	AMD_PMC_PERFCTR_1	0xC0010005
45#define	AMD_PMC_PERFCTR_2	0xC0010006
46#define	AMD_PMC_PERFCTR_3	0xC0010007
47/* CORE */
48#define	AMD_PMC_EVSEL_4		0xC0010208
49#define	AMD_PMC_EVSEL_5		0xC001020A
50
51#define	AMD_PMC_PERFCTR_4	0xC0010209
52#define	AMD_PMC_PERFCTR_5	0xC001020B
53/* L3 */
54#define	AMD_PMC_EVSEL_EP_L3_0	0xC0010230
55#define	AMD_PMC_EVSEL_EP_L3_1	0xC0010232
56#define	AMD_PMC_EVSEL_EP_L3_2	0xC0010234
57#define	AMD_PMC_EVSEL_EP_L3_3	0xC0010236
58#define	AMD_PMC_EVSEL_EP_L3_4	0xC0010238
59#define	AMD_PMC_EVSEL_EP_L3_5	0xC001023A
60
61#define	AMD_PMC_PERFCTR_EP_L3_0	0xC0010231
62#define	AMD_PMC_PERFCTR_EP_L3_1	0xC0010233
63#define	AMD_PMC_PERFCTR_EP_L3_2	0xC0010235
64#define	AMD_PMC_PERFCTR_EP_L3_3	0xC0010237
65#define	AMD_PMC_PERFCTR_EP_L3_4	0xC0010239
66#define	AMD_PMC_PERFCTR_EP_L3_5	0xC001023B
67/* DF */
68#define	AMD_PMC_EVSEL_EP_DF_0	0xC0010240
69#define	AMD_PMC_EVSEL_EP_DF_1	0xC0010242
70#define	AMD_PMC_EVSEL_EP_DF_2	0xC0010244
71#define	AMD_PMC_EVSEL_EP_DF_3	0xC0010246
72
73#define	AMD_PMC_PERFCTR_EP_DF_0	0xC0010241
74#define	AMD_PMC_PERFCTR_EP_DF_1	0xC0010243
75#define	AMD_PMC_PERFCTR_EP_DF_2	0xC0010245
76#define	AMD_PMC_PERFCTR_EP_DF_3	0xC0010247
77
78#define	AMD_NPMCS		16
79#define	AMD_CORE_NPMCS		6
80
81
82#define	AMD_PMC_COUNTERMASK	0xFF000000
83#define	AMD_PMC_TO_COUNTER(x)	(((x) << 24) & AMD_PMC_COUNTERMASK)
84#define	AMD_PMC_INVERT		(1 << 23)
85#define	AMD_PMC_ENABLE		(1 << 22)
86#define	AMD_PMC_INT		(1 << 20)
87#define	AMD_PMC_PC		(1 << 19)
88#define	AMD_PMC_EDGE		(1 << 18)
89#define	AMD_PMC_OS		(1 << 17)
90#define	AMD_PMC_USR		(1 << 16)
91#define	AMD_PMC_L3SLICEMASK	(0x000F000000000000)
92#define	AMD_PMC_L3COREMASK	(0xFF00000000000000)
93#define	AMD_PMC_TO_L3SLICE(x)	(((x) << 48) & AMD_PMC_L3SLICEMASK)
94#define	AMD_PMC_TO_L3CORE(x)	(((x) << 56) & AMD_PMC_L3COREMASK)
95
96#define	AMD_PMC_UNITMASK_M	0x10
97#define	AMD_PMC_UNITMASK_O	0x08
98#define	AMD_PMC_UNITMASK_E	0x04
99#define	AMD_PMC_UNITMASK_S	0x02
100#define	AMD_PMC_UNITMASK_I	0x01
101#define	AMD_PMC_UNITMASK_MOESI	0x1F
102
103#define	AMD_PMC_UNITMASK	0xFF00
104#define	AMD_PMC_EVENTMASK 	0xF000000FF
105
106#define	AMD_PMC_TO_UNITMASK(x)	(((x) << 8) & AMD_PMC_UNITMASK)
107#define	AMD_PMC_TO_EVENTMASK(x)	(((x) & 0xFF) | (((uint64_t)(x) & 0xF00) << 24))
108#define	AMD_PMC_TO_EVENTMASK_DF(x)	(((x) & 0xFF) | (((uint64_t)(x) & 0x0F00) << 24)) | (((uint64_t)(x) & 0x3000) << 47)
109#define	AMD_VALID_BITS		(AMD_PMC_COUNTERMASK | AMD_PMC_INVERT |	\
110	AMD_PMC_ENABLE | AMD_PMC_INT | AMD_PMC_PC | AMD_PMC_EDGE | 	\
111	AMD_PMC_OS | AMD_PMC_USR | AMD_PMC_UNITMASK | AMD_PMC_EVENTMASK)
112
113#define AMD_PMC_CAPS		(PMC_CAP_INTERRUPT | PMC_CAP_USER | 	\
114	PMC_CAP_SYSTEM | PMC_CAP_EDGE | PMC_CAP_THRESHOLD | 		\
115	PMC_CAP_READ | PMC_CAP_WRITE | PMC_CAP_INVERT | PMC_CAP_QUALIFIER)
116
117#define AMD_PMC_IS_STOPPED(evsel) ((rdmsr((evsel)) & AMD_PMC_ENABLE) == 0)
118#define AMD_PMC_HAS_OVERFLOWED(pmc) ((rdpmc(pmc) & (1ULL << 47)) == 0)
119
120#define	AMD_RELOAD_COUNT_TO_PERFCTR_VALUE(V)	(-(V))
121#define	AMD_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(-(P))
122
123enum sub_class{
124	PMC_AMD_SUB_CLASS_CORE,
125	PMC_AMD_SUB_CLASS_L3_CACHE,
126	PMC_AMD_SUB_CLASS_DATA_FABRIC
127};
128
129struct pmc_md_amd_op_pmcallocate {
130	uint64_t	pm_amd_config;
131	uint32_t	pm_amd_sub_class;
132};
133
134#ifdef _KERNEL
135
136/* MD extension for 'struct pmc' */
137struct pmc_md_amd_pmc {
138	uint64_t	pm_amd_evsel;
139};
140
141#endif /* _KERNEL */
142#endif /* _DEV_HWPMC_AMD_H_ */
143