1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright 2009 Paul Mackerras, IBM Corporation.
4 * Copyright 2013 Michael Ellerman, IBM Corporation.
5 * Copyright 2016 Madhavan Srinivasan, IBM Corporation.
6 */
7
8#ifndef _LINUX_POWERPC_PERF_ISA207_COMMON_H_
9#define _LINUX_POWERPC_PERF_ISA207_COMMON_H_
10
11#include <linux/kernel.h>
12#include <linux/perf_event.h>
13#include <asm/firmware.h>
14#include <asm/cputable.h>
15
16#include "internal.h"
17
18#define EVENT_EBB_MASK 1ull
19#define EVENT_EBB_SHIFT PERF_EVENT_CONFIG_EBB_SHIFT
20#define EVENT_BHRB_MASK 1ull
21#define EVENT_BHRB_SHIFT 62
22#define EVENT_WANTS_BHRB (EVENT_BHRB_MASK << EVENT_BHRB_SHIFT)
23#define EVENT_IFM_MASK 3ull
24#define EVENT_IFM_SHIFT 60
25#define EVENT_THR_CMP_SHIFT 40 /* Threshold CMP value */
26#define EVENT_THR_CMP_MASK 0x3ff
27#define EVENT_THR_CTL_SHIFT 32 /* Threshold control value (start/stop) */
28#define EVENT_THR_CTL_MASK 0xffull
29#define EVENT_THR_SEL_SHIFT 29 /* Threshold select value */
30#define EVENT_THR_SEL_MASK 0x7
31#define EVENT_THRESH_SHIFT 29 /* All threshold bits */
32#define EVENT_THRESH_MASK 0x1fffffull
33#define EVENT_SAMPLE_SHIFT 24 /* Sampling mode & eligibility */
34#define EVENT_SAMPLE_MASK 0x1f
35#define EVENT_CACHE_SEL_SHIFT 20 /* L2/L3 cache select */
36#define EVENT_CACHE_SEL_MASK 0xf
37#define EVENT_IS_L1 (4 << EVENT_CACHE_SEL_SHIFT)
38#define EVENT_PMC_SHIFT 16 /* PMC number (1-based) */
39#define EVENT_PMC_MASK 0xf
40#define EVENT_UNIT_SHIFT 12 /* Unit */
41#define EVENT_UNIT_MASK 0xf
42#define EVENT_COMBINE_SHIFT 11 /* Combine bit */
43#define EVENT_COMBINE_MASK 0x1
44#define EVENT_COMBINE(v) (((v) >> EVENT_COMBINE_SHIFT) & EVENT_COMBINE_MASK)
45#define EVENT_MARKED_SHIFT 8 /* Marked bit */
46#define EVENT_MARKED_MASK 0x1
47#define EVENT_IS_MARKED (EVENT_MARKED_MASK << EVENT_MARKED_SHIFT)
48#define EVENT_PSEL_MASK 0xff /* PMCxSEL value */
49
50/* Bits defined by Linux */
51#define EVENT_LINUX_MASK \
52 ((EVENT_EBB_MASK << EVENT_EBB_SHIFT) | \
53 (EVENT_BHRB_MASK << EVENT_BHRB_SHIFT) | \
54 (EVENT_IFM_MASK << EVENT_IFM_SHIFT))
55
56#define EVENT_VALID_MASK \
57 ((EVENT_THRESH_MASK << EVENT_THRESH_SHIFT) | \
58 (EVENT_SAMPLE_MASK << EVENT_SAMPLE_SHIFT) | \
59 (EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT) | \
60 (EVENT_PMC_MASK << EVENT_PMC_SHIFT) | \
61 (EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) | \
62 (EVENT_COMBINE_MASK << EVENT_COMBINE_SHIFT) | \
63 (EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) | \
64 EVENT_LINUX_MASK | \
65 EVENT_PSEL_MASK)
66
67#define ONLY_PLM \
68 (PERF_SAMPLE_BRANCH_USER |\
69 PERF_SAMPLE_BRANCH_KERNEL |\
70 PERF_SAMPLE_BRANCH_HV)
71
72/* Contants to support power9 raw encoding format */
73#define p9_EVENT_COMBINE_SHIFT 10 /* Combine bit */
74#define p9_EVENT_COMBINE_MASK 0x3ull
75#define p9_EVENT_COMBINE(v) (((v) >> p9_EVENT_COMBINE_SHIFT) & p9_EVENT_COMBINE_MASK)
76#define p9_SDAR_MODE_SHIFT 50
77#define p9_SDAR_MODE_MASK 0x3ull
78#define p9_SDAR_MODE(v) (((v) >> p9_SDAR_MODE_SHIFT) & p9_SDAR_MODE_MASK)
79
80#define p9_EVENT_VALID_MASK \
81 ((p9_SDAR_MODE_MASK << p9_SDAR_MODE_SHIFT | \
82 (EVENT_THRESH_MASK << EVENT_THRESH_SHIFT) | \
83 (EVENT_SAMPLE_MASK << EVENT_SAMPLE_SHIFT) | \
84 (EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT) | \
85 (EVENT_PMC_MASK << EVENT_PMC_SHIFT) | \
86 (EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) | \
87 (p9_EVENT_COMBINE_MASK << p9_EVENT_COMBINE_SHIFT) | \
88 (EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) | \
89 EVENT_LINUX_MASK | \
90 EVENT_PSEL_MASK))
91
92/* Contants to support power10 raw encoding format */
93#define p10_SDAR_MODE_SHIFT 22
94#define p10_SDAR_MODE_MASK 0x3ull
95#define p10_SDAR_MODE(v) (((v) >> p10_SDAR_MODE_SHIFT) & \
96 p10_SDAR_MODE_MASK)
97#define p10_EVENT_L2L3_SEL_MASK 0x1f
98#define p10_L2L3_SEL_SHIFT 3
99#define p10_L2L3_EVENT_SHIFT 40
100#define p10_EVENT_THRESH_MASK 0xffffull
101#define p10_EVENT_CACHE_SEL_MASK 0x3ull
102#define p10_EVENT_MMCR3_MASK 0x7fffull
103#define p10_EVENT_MMCR3_SHIFT 45
104#define p10_EVENT_RADIX_SCOPE_QUAL_SHIFT 9
105#define p10_EVENT_RADIX_SCOPE_QUAL_MASK 0x1
106#define p10_MMCR1_RADIX_SCOPE_QUAL_SHIFT 45
107
108/* Event Threshold Compare bit constant for power10 in config1 attribute */
109#define p10_EVENT_THR_CMP_SHIFT 0
110#define p10_EVENT_THR_CMP_MASK 0x3FFFFull
111
112#define p10_EVENT_VALID_MASK \
113 ((p10_SDAR_MODE_MASK << p10_SDAR_MODE_SHIFT | \
114 (p10_EVENT_THRESH_MASK << EVENT_THRESH_SHIFT) | \
115 (EVENT_SAMPLE_MASK << EVENT_SAMPLE_SHIFT) | \
116 (p10_EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT) | \
117 (EVENT_PMC_MASK << EVENT_PMC_SHIFT) | \
118 (EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) | \
119 (p9_EVENT_COMBINE_MASK << p9_EVENT_COMBINE_SHIFT) | \
120 (p10_EVENT_MMCR3_MASK << p10_EVENT_MMCR3_SHIFT) | \
121 (EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) | \
122 (p10_EVENT_RADIX_SCOPE_QUAL_MASK << p10_EVENT_RADIX_SCOPE_QUAL_SHIFT) | \
123 EVENT_LINUX_MASK | \
124 EVENT_PSEL_MASK))
125/*
126 * Layout of constraint bits:
127 *
128 * 60 56 52 48 44 40 36 32
129 * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
130 * [ fab_match ] [ thresh_cmp ] [ thresh_ctl ] [ ]
131 * | |
132 * [ thresh_cmp bits for p10] thresh_sel -*
133 *
134 * 28 24 20 16 12 8 4 0
135 * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
136 * [ ] | [ ] | [ sample ] [ ] [6] [5] [4] [3] [2] [1]
137 * | | | | |
138 * BHRB IFM -* | | |*radix_scope | Count of events for each PMC.
139 * EBB -* | | p1, p2, p3, p4, p5, p6.
140 * L1 I/D qualifier -* |
141 * nc - number of counters -*
142 *
143 * The PMC fields P1..P6, and NC, are adder fields. As we accumulate constraints
144 * we want the low bit of each field to be added to any existing value.
145 *
146 * Everything else is a value field.
147 */
148
149#define CNST_FAB_MATCH_VAL(v) (((v) & EVENT_THR_CTL_MASK) << 56)
150#define CNST_FAB_MATCH_MASK CNST_FAB_MATCH_VAL(EVENT_THR_CTL_MASK)
151
152/* We just throw all the threshold bits into the constraint */
153#define CNST_THRESH_VAL(v) (((v) & EVENT_THRESH_MASK) << 32)
154#define CNST_THRESH_MASK CNST_THRESH_VAL(EVENT_THRESH_MASK)
155
156#define CNST_THRESH_CTL_SEL_VAL(v) (((v) & 0x7ffull) << 32)
157#define CNST_THRESH_CTL_SEL_MASK CNST_THRESH_CTL_SEL_VAL(0x7ff)
158
159#define p10_CNST_THRESH_CMP_VAL(v) (((v) & 0x7ffull) << 43)
160#define p10_CNST_THRESH_CMP_MASK p10_CNST_THRESH_CMP_VAL(0x7ff)
161
162#define CNST_EBB_VAL(v) (((v) & EVENT_EBB_MASK) << 24)
163#define CNST_EBB_MASK CNST_EBB_VAL(EVENT_EBB_MASK)
164
165#define CNST_IFM_VAL(v) (((v) & EVENT_IFM_MASK) << 25)
166#define CNST_IFM_MASK CNST_IFM_VAL(EVENT_IFM_MASK)
167
168#define CNST_L1_QUAL_VAL(v) (((v) & 3) << 22)
169#define CNST_L1_QUAL_MASK CNST_L1_QUAL_VAL(3)
170
171#define CNST_SAMPLE_VAL(v) (((v) & EVENT_SAMPLE_MASK) << 16)
172#define CNST_SAMPLE_MASK CNST_SAMPLE_VAL(EVENT_SAMPLE_MASK)
173
174#define CNST_CACHE_GROUP_VAL(v) (((v) & 0xffull) << 55)
175#define CNST_CACHE_GROUP_MASK CNST_CACHE_GROUP_VAL(0xff)
176#define CNST_CACHE_PMC4_VAL (1ull << 54)
177#define CNST_CACHE_PMC4_MASK CNST_CACHE_PMC4_VAL
178
179#define CNST_L2L3_GROUP_VAL(v) (((v) & 0x1full) << 55)
180#define CNST_L2L3_GROUP_MASK CNST_L2L3_GROUP_VAL(0x1f)
181
182#define CNST_RADIX_SCOPE_GROUP_VAL(v) (((v) & 0x1ull) << 21)
183#define CNST_RADIX_SCOPE_GROUP_MASK CNST_RADIX_SCOPE_GROUP_VAL(1)
184
185/*
186 * For NC we are counting up to 4 events. This requires three bits, and we need
187 * the fifth event to overflow and set the 4th bit. To achieve that we bias the
188 * fields by 3 in test_adder.
189 */
190#define CNST_NC_SHIFT 12
191#define CNST_NC_VAL (1 << CNST_NC_SHIFT)
192#define CNST_NC_MASK (8 << CNST_NC_SHIFT)
193#define ISA207_TEST_ADDER (3 << CNST_NC_SHIFT)
194
195/*
196 * For the per-PMC fields we have two bits. The low bit is added, so if two
197 * events ask for the same PMC the sum will overflow, setting the high bit,
198 * indicating an error. So our mask sets the high bit.
199 */
200#define CNST_PMC_SHIFT(pmc) ((pmc - 1) * 2)
201#define CNST_PMC_VAL(pmc) (1 << CNST_PMC_SHIFT(pmc))
202#define CNST_PMC_MASK(pmc) (2 << CNST_PMC_SHIFT(pmc))
203
204/* Our add_fields is defined as: */
205#define ISA207_ADD_FIELDS \
206 CNST_PMC_VAL(1) | CNST_PMC_VAL(2) | CNST_PMC_VAL(3) | \
207 CNST_PMC_VAL(4) | CNST_PMC_VAL(5) | CNST_PMC_VAL(6) | CNST_NC_VAL
208
209/* Bits in MMCR1 for PowerISA v2.07 */
210#define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1)))
211#define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1))
212#define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8)
213#define MMCR1_FAB_SHIFT 36
214#define MMCR1_DC_IC_QUAL_MASK 0x3
215#define MMCR1_DC_IC_QUAL_SHIFT 46
216
217/* MMCR1 Combine bits macro for power9 */
218#define p9_MMCR1_COMBINE_SHIFT(pmc) (38 - ((pmc - 1) * 2))
219
220/* Bits in MMCRA for PowerISA v2.07 */
221#define MMCRA_SAMP_MODE_SHIFT 1
222#define MMCRA_SAMP_ELIG_SHIFT 4
223#define MMCRA_SAMP_ELIG_MASK 7
224#define MMCRA_THR_CTL_SHIFT 8
225#define MMCRA_THR_SEL_SHIFT 16
226#define MMCRA_THR_CMP_SHIFT 32
227#define MMCRA_SDAR_MODE_SHIFT 42
228#define MMCRA_SDAR_MODE_TLB (1ull << MMCRA_SDAR_MODE_SHIFT)
229#define MMCRA_SDAR_MODE_NO_UPDATES ~(0x3ull << MMCRA_SDAR_MODE_SHIFT)
230#define MMCRA_SDAR_MODE_DCACHE (2ull << MMCRA_SDAR_MODE_SHIFT)
231#define MMCRA_IFM_SHIFT 30
232#define MMCRA_THR_CTR_MANT_SHIFT 19
233#define MMCRA_THR_CTR_MANT_MASK 0x7Ful
234#define MMCRA_THR_CTR_MANT(v) (((v) >> MMCRA_THR_CTR_MANT_SHIFT) &\
235 MMCRA_THR_CTR_MANT_MASK)
236
237#define MMCRA_THR_CTR_EXP_SHIFT 27
238#define MMCRA_THR_CTR_EXP_MASK 0x7ul
239#define MMCRA_THR_CTR_EXP(v) (((v) >> MMCRA_THR_CTR_EXP_SHIFT) &\
240 MMCRA_THR_CTR_EXP_MASK)
241
242#define P10_MMCRA_THR_CTR_MANT_MASK 0xFFul
243#define P10_MMCRA_THR_CTR_MANT(v) (((v) >> MMCRA_THR_CTR_MANT_SHIFT) &\
244 P10_MMCRA_THR_CTR_MANT_MASK)
245
246/* MMCRA Threshold Compare bit constant for power9 */
247#define p9_MMCRA_THR_CMP_SHIFT 45
248
249/* Bits in MMCR2 for PowerISA v2.07 */
250#define MMCR2_FCS(pmc) (1ull << (63 - (((pmc) - 1) * 9)))
251#define MMCR2_FCP(pmc) (1ull << (62 - (((pmc) - 1) * 9)))
252#define MMCR2_FCWAIT(pmc) (1ull << (58 - (((pmc) - 1) * 9)))
253#define MMCR2_FCH(pmc) (1ull << (57 - (((pmc) - 1) * 9)))
254
255#define MAX_ALT 2
256#define MAX_PMU_COUNTERS 6
257
258/* Bits in MMCR3 for PowerISA v3.10 */
259#define MMCR3_SHIFT(pmc) (49 - (15 * ((pmc) - 1)))
260
261#define ISA207_SIER_TYPE_SHIFT 15
262#define ISA207_SIER_TYPE_MASK (0x7ull << ISA207_SIER_TYPE_SHIFT)
263
264#define ISA207_SIER_LDST_SHIFT 1
265#define ISA207_SIER_LDST_MASK (0x7ull << ISA207_SIER_LDST_SHIFT)
266
267#define ISA207_SIER_DATA_SRC_SHIFT 53
268#define ISA207_SIER_DATA_SRC_MASK (0x7ull << ISA207_SIER_DATA_SRC_SHIFT)
269
270/* Bits in SIER2/SIER3 for Power10 */
271#define P10_SIER2_FINISH_CYC(sier2) (((sier2) >> (63 - 37)) & 0x7fful)
272#define P10_SIER2_DISPATCH_CYC(sier2) (((sier2) >> (63 - 13)) & 0x7fful)
273
274#define P(a, b) PERF_MEM_S(a, b)
275#define PH(a, b) (P(LVL, HIT) | P(a, b))
276#define PM(a, b) (P(LVL, MISS) | P(a, b))
277#define LEVEL(x) P(LVLNUM, x)
278#define REM P(REMOTE, REMOTE)
279
280int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp, u64 event_config1);
281int isa207_compute_mmcr(u64 event[], int n_ev,
282 unsigned int hwc[], struct mmcr_regs *mmcr,
283 struct perf_event *pevents[], u32 flags);
284void isa207_disable_pmc(unsigned int pmc, struct mmcr_regs *mmcr);
285int isa207_get_alternatives(u64 event, u64 alt[], int size, unsigned int flags,
286 const unsigned int ev_alt[][MAX_ALT]);
287void isa207_get_mem_data_src(union perf_mem_data_src *dsrc, u32 flags,
288 struct pt_regs *regs);
289void isa207_get_mem_weight(u64 *weight, u64 type);
290
291int isa3XX_check_attr_config(struct perf_event *ev);
292
293#endif
294

source code of linux/arch/powerpc/perf/isa207-common.h