2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2008 Joseph Koshy
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _DEV_HWPMC_CORE_H_
32 #define _DEV_HWPMC_CORE_H_ 1
34 #define IA32_PERF_CAPABILITIES 0x345
35 #define PERFCAP_LBR_FORMAT 0x003f
36 #define PERFCAP_PEBS_TRAP 0x0040
37 #define PERFCAP_PEBS_SAVEARCH 0x0080
38 #define PERFCAP_PEBS_RECFORMAT 0x0f00
39 #define PERFCAP_SMM_FREEZE 0x1000
40 #define PERFCAP_FW_WRITE 0x2000 /* full width write aliases */
43 * Fixed-function PMCs.
45 struct pmc_md_iaf_op_pmcallocate {
46 uint16_t pm_iaf_flags; /* additional flags */
57 struct pmc_md_iap_op_pmcallocate {
58 uint32_t pm_iap_config;
62 #define IAP_EVSEL(C) ((C) & 0xFF)
63 #define IAP_UMASK(C) (((C) & 0xFF) << 8)
64 #define IAP_USR (1 << 16)
65 #define IAP_OS (1 << 17)
66 #define IAP_EDGE (1 << 18)
67 #define IAP_INT (1 << 20)
68 #define IAP_ANY (1 << 21)
69 #define IAP_EN (1 << 22)
70 #define IAP_INV (1 << 23)
71 #define IAP_CMASK(C) (((C) & 0xFF) << 24)
73 #define IAP_EVSEL_GET(C) ((C) & 0xFF)
74 #define IAP_UMASK_GET(C) (((C) & 0xFF00) >> 8)
76 #define IA_OFFCORE_RSP_MASK_I7WM 0x000000F7FF
77 #define IA_OFFCORE_RSP_MASK_SBIB 0x3F807F8FFF
82 * Fixed-function counters.
87 #define IAF_COUNTER_MASK 0x0000ffffffffffff
88 #define IAF_CTR0 0x309
89 #define IAF_CTR1 0x30A
90 #define IAF_CTR2 0x30B
93 * The IAF_CTRL MSR is laid out in the following way.
96 * 63 - 12 Reserved (do not touch)
98 * 10 Reserved (do not touch)
101 * 6 Reserved (do not touch)
104 * 2 Reserved (do not touch)
105 * 1-0 Ctr 0 Enable (3: All Levels, 2: User, 1: OS, 0: Disable)
108 #define IAF_OFFSET 32
109 #define IAF_CTRL 0x38D
110 #define IAF_CTRL_MASK 0x0000000000000bbb
113 * Programmable counters.
116 #define IAP_PMC0 0x0C1
117 #define IAP_A_PMC0 0x4C1
120 * IAP_EVSEL(n) is laid out in the following way.
123 * 63-31 Reserved (do not touch)
127 * 21 Reserved (do not touch)
128 * 20 APIC Interrupt Enable
137 #define IAP_EVSEL_MASK 0x00000000ffdfffff
138 #define IAP_EVSEL0 0x186
141 * Simplified programming interface in Intel Performance Architecture
145 #define IA_GLOBAL_STATUS 0x38E
146 #define IA_GLOBAL_CTRL 0x38F
149 * IA_GLOBAL_CTRL is laid out in the following way.
152 * 63-35 Reserved (do not touch)
153 * 34 IAF Counter 2 Enable
154 * 33 IAF Counter 1 Enable
155 * 32 IAF Counter 0 Enable
156 * 31-0 Depends on programmable counters
159 /* The mask is only for the fixed porttion of the register. */
160 #define IAF_GLOBAL_CTRL_MASK 0x0000000700000000
162 /* The mask is only for the programmable porttion of the register. */
163 #define IAP_GLOBAL_CTRL_MASK 0x00000000ffffffff
165 /* The mask is for both the fixed and programmable porttions of the register. */
166 #define IA_GLOBAL_CTRL_MASK 0x00000007ffffffff
168 #define IA_GLOBAL_OVF_CTRL 0x390
170 #define IA_GLOBAL_STATUS_FLAG_CONDCHG (1ULL << 63)
171 #define IA_GLOBAL_STATUS_FLAG_OVFBUF (1ULL << 62)
174 * Offcore response configuration.
176 #define IA_OFFCORE_RSP0 0x1A6
177 #define IA_OFFCORE_RSP1 0x1A7
179 struct pmc_md_iaf_pmc {
180 uint64_t pm_iaf_ctrl;
183 struct pmc_md_iap_pmc {
184 uint32_t pm_iap_evsel;
192 int pmc_core_initialize(struct pmc_mdep *_md, int _maxcpu,
193 int _version_override);
194 void pmc_core_finalize(struct pmc_mdep *_md);
196 int pmc_iaf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width);
197 void pmc_iaf_finalize(struct pmc_mdep *_md);
199 int pmc_iap_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width,
201 void pmc_iap_finalize(struct pmc_mdep *_md);
204 #endif /* _DEV_HWPMC_CORE_H */