xref: /freebsd/sys/dev/hwpmc/hwpmc_amd.h (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
29 /* Machine dependent interfaces */
30 
31 #ifndef _DEV_HWPMC_AMD_H_
32 #define	_DEV_HWPMC_AMD_H_ 1
33 
34 /* AMD K8 PMCs */
35 
36 #define	AMD_PMC_EVSEL_0		0xC0010000
37 #define	AMD_PMC_EVSEL_1		0xC0010001
38 #define	AMD_PMC_EVSEL_2		0xC0010002
39 #define	AMD_PMC_EVSEL_3		0xC0010003
40 
41 #define	AMD_PMC_PERFCTR_0	0xC0010004
42 #define	AMD_PMC_PERFCTR_1	0xC0010005
43 #define	AMD_PMC_PERFCTR_2	0xC0010006
44 #define	AMD_PMC_PERFCTR_3	0xC0010007
45 /* CORE */
46 #define	AMD_PMC_EVSEL_4		0xC0010208
47 #define	AMD_PMC_EVSEL_5		0xC001020A
48 
49 #define	AMD_PMC_PERFCTR_4	0xC0010209
50 #define	AMD_PMC_PERFCTR_5	0xC001020B
51 /* L3 */
52 #define	AMD_PMC_EVSEL_EP_L3_0	0xC0010230
53 #define	AMD_PMC_EVSEL_EP_L3_1	0xC0010232
54 #define	AMD_PMC_EVSEL_EP_L3_2	0xC0010234
55 #define	AMD_PMC_EVSEL_EP_L3_3	0xC0010236
56 #define	AMD_PMC_EVSEL_EP_L3_4	0xC0010238
57 #define	AMD_PMC_EVSEL_EP_L3_5	0xC001023A
58 
59 #define	AMD_PMC_PERFCTR_EP_L3_0	0xC0010231
60 #define	AMD_PMC_PERFCTR_EP_L3_1	0xC0010233
61 #define	AMD_PMC_PERFCTR_EP_L3_2	0xC0010235
62 #define	AMD_PMC_PERFCTR_EP_L3_3	0xC0010237
63 #define	AMD_PMC_PERFCTR_EP_L3_4	0xC0010239
64 #define	AMD_PMC_PERFCTR_EP_L3_5	0xC001023B
65 /* DF */
66 #define	AMD_PMC_EVSEL_EP_DF_0	0xC0010240
67 #define	AMD_PMC_EVSEL_EP_DF_1	0xC0010242
68 #define	AMD_PMC_EVSEL_EP_DF_2	0xC0010244
69 #define	AMD_PMC_EVSEL_EP_DF_3	0xC0010246
70 
71 #define	AMD_PMC_PERFCTR_EP_DF_0	0xC0010241
72 #define	AMD_PMC_PERFCTR_EP_DF_1	0xC0010243
73 #define	AMD_PMC_PERFCTR_EP_DF_2	0xC0010245
74 #define	AMD_PMC_PERFCTR_EP_DF_3	0xC0010247
75 
76 #define	AMD_NPMCS		16
77 #define	AMD_CORE_NPMCS		6
78 
79 
80 #define	AMD_PMC_COUNTERMASK	0xFF000000
81 #define	AMD_PMC_TO_COUNTER(x)	(((x) << 24) & AMD_PMC_COUNTERMASK)
82 #define	AMD_PMC_INVERT		(1 << 23)
83 #define	AMD_PMC_ENABLE		(1 << 22)
84 #define	AMD_PMC_INT		(1 << 20)
85 #define	AMD_PMC_PC		(1 << 19)
86 #define	AMD_PMC_EDGE		(1 << 18)
87 #define	AMD_PMC_OS		(1 << 17)
88 #define	AMD_PMC_USR		(1 << 16)
89 #define	AMD_PMC_L3SLICEMASK	(0x000F000000000000)
90 #define	AMD_PMC_L3COREMASK	(0xFF00000000000000)
91 #define	AMD_PMC_TO_L3SLICE(x)	(((x) << 48) & AMD_PMC_L3SLICEMASK)
92 #define	AMD_PMC_TO_L3CORE(x)	(((x) << 56) & AMD_PMC_L3COREMASK)
93 
94 #define	AMD_PMC_UNITMASK_M	0x10
95 #define	AMD_PMC_UNITMASK_O	0x08
96 #define	AMD_PMC_UNITMASK_E	0x04
97 #define	AMD_PMC_UNITMASK_S	0x02
98 #define	AMD_PMC_UNITMASK_I	0x01
99 #define	AMD_PMC_UNITMASK_MOESI	0x1F
100 
101 #define	AMD_PMC_UNITMASK	0xFF00
102 #define	AMD_PMC_EVENTMASK 	0xF000000FF
103 
104 #define	AMD_PMC_TO_UNITMASK(x)	(((x) << 8) & AMD_PMC_UNITMASK)
105 #define	AMD_PMC_TO_EVENTMASK(x)	(((x) & 0xFF) | (((uint64_t)(x) & 0xF00) << 24))
106 #define	AMD_PMC_TO_EVENTMASK_DF(x)	(((x) & 0xFF) | (((uint64_t)(x) & 0x0F00) << 24)) | (((uint64_t)(x) & 0x3000) << 47)
107 #define	AMD_VALID_BITS		(AMD_PMC_COUNTERMASK | AMD_PMC_INVERT |	\
108 	AMD_PMC_ENABLE | AMD_PMC_INT | AMD_PMC_PC | AMD_PMC_EDGE | 	\
109 	AMD_PMC_OS | AMD_PMC_USR | AMD_PMC_UNITMASK | AMD_PMC_EVENTMASK)
110 
111 #define AMD_PMC_CAPS		(PMC_CAP_INTERRUPT | PMC_CAP_USER | 	\
112 	PMC_CAP_SYSTEM | PMC_CAP_EDGE | PMC_CAP_THRESHOLD | 		\
113 	PMC_CAP_READ | PMC_CAP_WRITE | PMC_CAP_INVERT | PMC_CAP_QUALIFIER)
114 
115 #define AMD_PMC_IS_STOPPED(evsel) ((rdmsr((evsel)) & AMD_PMC_ENABLE) == 0)
116 #define AMD_PMC_HAS_OVERFLOWED(pmc) ((rdpmc(pmc) & (1ULL << 47)) == 0)
117 
118 #define	AMD_RELOAD_COUNT_TO_PERFCTR_VALUE(V)	(-(V))
119 #define	AMD_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(-(P))
120 
121 enum sub_class{
122 	PMC_AMD_SUB_CLASS_CORE,
123 	PMC_AMD_SUB_CLASS_L3_CACHE,
124 	PMC_AMD_SUB_CLASS_DATA_FABRIC
125 };
126 
127 struct pmc_md_amd_op_pmcallocate {
128 	uint64_t	pm_amd_config;
129 	uint32_t	pm_amd_sub_class;
130 };
131 
132 #ifdef _KERNEL
133 
134 /* MD extension for 'struct pmc' */
135 struct pmc_md_amd_pmc {
136 	uint64_t	pm_amd_evsel;
137 };
138 
139 #endif /* _KERNEL */
140 #endif /* _DEV_HWPMC_AMD_H_ */
141