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0ba64770 RM |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // Copyright (C) 2016-2020 Arm Limited | |
3 | // CMN-600 Coherent Mesh Network PMU driver | |
4 | ||
5 | #include <linux/acpi.h> | |
6 | #include <linux/bitfield.h> | |
7 | #include <linux/bitops.h> | |
a88fa6c2 | 8 | #include <linux/debugfs.h> |
0ba64770 RM |
9 | #include <linux/interrupt.h> |
10 | #include <linux/io.h> | |
82d8ea4b | 11 | #include <linux/io-64-nonatomic-lo-hi.h> |
0ba64770 RM |
12 | #include <linux/kernel.h> |
13 | #include <linux/list.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/of.h> | |
16 | #include <linux/perf_event.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/slab.h> | |
19 | #include <linux/sort.h> | |
20 | ||
21 | /* Common register stuff */ | |
22 | #define CMN_NODE_INFO 0x0000 | |
23 | #define CMN_NI_NODE_TYPE GENMASK_ULL(15, 0) | |
24 | #define CMN_NI_NODE_ID GENMASK_ULL(31, 16) | |
25 | #define CMN_NI_LOGICAL_ID GENMASK_ULL(47, 32) | |
26 | ||
27 | #define CMN_NODEID_DEVID(reg) ((reg) & 3) | |
60d15040 | 28 | #define CMN_NODEID_EXT_DEVID(reg) ((reg) & 1) |
0ba64770 | 29 | #define CMN_NODEID_PID(reg) (((reg) >> 2) & 1) |
60d15040 RM |
30 | #define CMN_NODEID_EXT_PID(reg) (((reg) >> 1) & 3) |
31 | #define CMN_NODEID_1x1_PID(reg) (((reg) >> 2) & 7) | |
0ba64770 RM |
32 | #define CMN_NODEID_X(reg, bits) ((reg) >> (3 + (bits))) |
33 | #define CMN_NODEID_Y(reg, bits) (((reg) >> 3) & ((1U << (bits)) - 1)) | |
34 | ||
35 | #define CMN_CHILD_INFO 0x0080 | |
36 | #define CMN_CI_CHILD_COUNT GENMASK_ULL(15, 0) | |
37 | #define CMN_CI_CHILD_PTR_OFFSET GENMASK_ULL(31, 16) | |
38 | ||
05d6f6d3 | 39 | #define CMN_CHILD_NODE_ADDR GENMASK(29, 0) |
0ba64770 RM |
40 | #define CMN_CHILD_NODE_EXTERNAL BIT(31) |
41 | ||
8e504d93 | 42 | #define CMN_MAX_DIMENSION 12 |
0947c80a | 43 | #define CMN_MAX_XPS (CMN_MAX_DIMENSION * CMN_MAX_DIMENSION) |
60d15040 | 44 | #define CMN_MAX_DTMS (CMN_MAX_XPS + (CMN_MAX_DIMENSION - 1) * 4) |
0ba64770 | 45 | |
60d15040 | 46 | /* The CFG node has various info besides the discovery tree */ |
7819e05a RM |
47 | #define CMN_CFGM_PERIPH_ID_01 0x0008 |
48 | #define CMN_CFGM_PID0_PART_0 GENMASK_ULL(7, 0) | |
49 | #define CMN_CFGM_PID1_PART_1 GENMASK_ULL(35, 32) | |
50 | #define CMN_CFGM_PERIPH_ID_23 0x0010 | |
51 | #define CMN_CFGM_PID2_REVISION GENMASK_ULL(7, 4) | |
0ba64770 | 52 | |
60d15040 RM |
53 | #define CMN_CFGM_INFO_GLOBAL 0x900 |
54 | #define CMN_INFO_MULTIPLE_DTM_EN BIT_ULL(63) | |
55 | #define CMN_INFO_RSP_VC_NUM GENMASK_ULL(53, 52) | |
56 | #define CMN_INFO_DAT_VC_NUM GENMASK_ULL(51, 50) | |
57 | ||
23760a01 RM |
58 | #define CMN_CFGM_INFO_GLOBAL_1 0x908 |
59 | #define CMN_INFO_SNP_VC_NUM GENMASK_ULL(3, 2) | |
60 | #define CMN_INFO_REQ_VC_NUM GENMASK_ULL(1, 0) | |
61 | ||
60d15040 | 62 | /* XPs also have some local topology info which has uses too */ |
2ad91e44 | 63 | #define CMN_MXP__CONNECT_INFO(p) (0x0008 + 8 * (p)) |
c5781212 | 64 | #define CMN__CONNECT_INFO_DEVICE_TYPE GENMASK_ULL(4, 0) |
60d15040 | 65 | |
2ad91e44 RM |
66 | #define CMN_MAX_PORTS 6 |
67 | #define CI700_CONNECT_INFO_P2_5_OFFSET 0x10 | |
68 | ||
60d15040 | 69 | /* PMU registers occupy the 3rd 4KB page of each node's region */ |
0ba64770 RM |
70 | #define CMN_PMU_OFFSET 0x2000 |
71 | ||
72 | /* For most nodes, this is all there is */ | |
73 | #define CMN_PMU_EVENT_SEL 0x000 | |
23760a01 | 74 | #define CMN__PMU_CBUSY_SNTHROTTLE_SEL GENMASK_ULL(44, 42) |
ac18ea1a RM |
75 | #define CMN__PMU_SN_HOME_SEL GENMASK_ULL(40, 39) |
76 | #define CMN__PMU_HBT_LBT_SEL GENMASK_ULL(38, 37) | |
23760a01 | 77 | #define CMN__PMU_CLASS_OCCUP_ID GENMASK_ULL(36, 35) |
65adf713 RM |
78 | /* Technically this is 4 bits wide on DNs, but we only use 2 there anyway */ |
79 | #define CMN__PMU_OCCUP1_ID GENMASK_ULL(34, 32) | |
8e504d93 RM |
80 | |
81 | /* HN-Ps are weird... */ | |
82 | #define CMN_HNP_PMU_EVENT_SEL 0x008 | |
0ba64770 RM |
83 | |
84 | /* DTMs live in the PMU space of XP registers */ | |
85 | #define CMN_DTM_WPn(n) (0x1A0 + (n) * 0x18) | |
86 | #define CMN_DTM_WPn_CONFIG(n) (CMN_DTM_WPn(n) + 0x00) | |
23760a01 RM |
87 | #define CMN_DTM_WPn_CONFIG_WP_CHN_NUM GENMASK_ULL(20, 19) |
88 | #define CMN_DTM_WPn_CONFIG_WP_DEV_SEL2 GENMASK_ULL(18, 17) | |
31fac565 RM |
89 | #define CMN_DTM_WPn_CONFIG_WP_COMBINE BIT(9) |
90 | #define CMN_DTM_WPn_CONFIG_WP_EXCLUSIVE BIT(8) | |
91 | #define CMN600_WPn_CONFIG_WP_COMBINE BIT(6) | |
92 | #define CMN600_WPn_CONFIG_WP_EXCLUSIVE BIT(5) | |
93 | #define CMN_DTM_WPn_CONFIG_WP_GRP GENMASK_ULL(5, 4) | |
0ba64770 RM |
94 | #define CMN_DTM_WPn_CONFIG_WP_CHN_SEL GENMASK_ULL(3, 1) |
95 | #define CMN_DTM_WPn_CONFIG_WP_DEV_SEL BIT(0) | |
96 | #define CMN_DTM_WPn_VAL(n) (CMN_DTM_WPn(n) + 0x08) | |
97 | #define CMN_DTM_WPn_MASK(n) (CMN_DTM_WPn(n) + 0x10) | |
98 | ||
99 | #define CMN_DTM_PMU_CONFIG 0x210 | |
100 | #define CMN__PMEVCNT0_INPUT_SEL GENMASK_ULL(37, 32) | |
101 | #define CMN__PMEVCNT0_INPUT_SEL_WP 0x00 | |
102 | #define CMN__PMEVCNT0_INPUT_SEL_XP 0x04 | |
103 | #define CMN__PMEVCNT0_INPUT_SEL_DEV 0x10 | |
104 | #define CMN__PMEVCNT0_GLOBAL_NUM GENMASK_ULL(18, 16) | |
105 | #define CMN__PMEVCNTn_GLOBAL_NUM_SHIFT(n) ((n) * 4) | |
106 | #define CMN__PMEVCNT_PAIRED(n) BIT(4 + (n)) | |
107 | #define CMN__PMEVCNT23_COMBINED BIT(2) | |
108 | #define CMN__PMEVCNT01_COMBINED BIT(1) | |
109 | #define CMN_DTM_PMU_CONFIG_PMU_EN BIT(0) | |
110 | ||
111 | #define CMN_DTM_PMEVCNT 0x220 | |
112 | ||
113 | #define CMN_DTM_PMEVCNTSR 0x240 | |
114 | ||
e3e73f51 RM |
115 | #define CMN650_DTM_UNIT_INFO 0x0910 |
116 | #define CMN_DTM_UNIT_INFO 0x0960 | |
117 | #define CMN_DTM_UNIT_INFO_DTC_DOMAIN GENMASK_ULL(1, 0) | |
60d15040 | 118 | |
0ba64770 | 119 | #define CMN_DTM_NUM_COUNTERS 4 |
60d15040 RM |
120 | /* Want more local counters? Why not replicate the whole DTM! Ugh... */ |
121 | #define CMN_DTM_OFFSET(n) ((n) * 0x200) | |
0ba64770 RM |
122 | |
123 | /* The DTC node is where the magic happens */ | |
124 | #define CMN_DT_DTC_CTL 0x0a00 | |
125 | #define CMN_DT_DTC_CTL_DT_EN BIT(0) | |
126 | ||
127 | /* DTC counters are paired in 64-bit registers on a 16-byte stride. Yuck */ | |
128 | #define _CMN_DT_CNT_REG(n) ((((n) / 2) * 4 + (n) % 2) * 4) | |
129 | #define CMN_DT_PMEVCNT(n) (CMN_PMU_OFFSET + _CMN_DT_CNT_REG(n)) | |
130 | #define CMN_DT_PMCCNTR (CMN_PMU_OFFSET + 0x40) | |
131 | ||
132 | #define CMN_DT_PMEVCNTSR(n) (CMN_PMU_OFFSET + 0x50 + _CMN_DT_CNT_REG(n)) | |
133 | #define CMN_DT_PMCCNTRSR (CMN_PMU_OFFSET + 0x90) | |
134 | ||
135 | #define CMN_DT_PMCR (CMN_PMU_OFFSET + 0x100) | |
136 | #define CMN_DT_PMCR_PMU_EN BIT(0) | |
137 | #define CMN_DT_PMCR_CNTR_RST BIT(5) | |
138 | #define CMN_DT_PMCR_OVFL_INTR_EN BIT(6) | |
139 | ||
140 | #define CMN_DT_PMOVSR (CMN_PMU_OFFSET + 0x118) | |
141 | #define CMN_DT_PMOVSR_CLR (CMN_PMU_OFFSET + 0x120) | |
142 | ||
143 | #define CMN_DT_PMSSR (CMN_PMU_OFFSET + 0x128) | |
144 | #define CMN_DT_PMSSR_SS_STATUS(n) BIT(n) | |
145 | ||
146 | #define CMN_DT_PMSRR (CMN_PMU_OFFSET + 0x130) | |
147 | #define CMN_DT_PMSRR_SS_REQ BIT(0) | |
148 | ||
149 | #define CMN_DT_NUM_COUNTERS 8 | |
150 | #define CMN_MAX_DTCS 4 | |
151 | ||
152 | /* | |
153 | * Even in the worst case a DTC counter can't wrap in fewer than 2^42 cycles, | |
154 | * so throwing away one bit to make overflow handling easy is no big deal. | |
155 | */ | |
156 | #define CMN_COUNTER_INIT 0x80000000 | |
157 | /* Similarly for the 40-bit cycle counter */ | |
158 | #define CMN_CC_INIT 0x8000000000ULL | |
159 | ||
160 | ||
161 | /* Event attributes */ | |
82d8ea4b | 162 | #define CMN_CONFIG_TYPE GENMASK_ULL(15, 0) |
23760a01 RM |
163 | #define CMN_CONFIG_EVENTID GENMASK_ULL(26, 16) |
164 | #define CMN_CONFIG_OCCUPID GENMASK_ULL(30, 27) | |
82d8ea4b RM |
165 | #define CMN_CONFIG_BYNODEID BIT_ULL(31) |
166 | #define CMN_CONFIG_NODEID GENMASK_ULL(47, 32) | |
0ba64770 RM |
167 | |
168 | #define CMN_EVENT_TYPE(event) FIELD_GET(CMN_CONFIG_TYPE, (event)->attr.config) | |
169 | #define CMN_EVENT_EVENTID(event) FIELD_GET(CMN_CONFIG_EVENTID, (event)->attr.config) | |
170 | #define CMN_EVENT_OCCUPID(event) FIELD_GET(CMN_CONFIG_OCCUPID, (event)->attr.config) | |
171 | #define CMN_EVENT_BYNODEID(event) FIELD_GET(CMN_CONFIG_BYNODEID, (event)->attr.config) | |
172 | #define CMN_EVENT_NODEID(event) FIELD_GET(CMN_CONFIG_NODEID, (event)->attr.config) | |
173 | ||
f87e9114 | 174 | #define CMN_CONFIG_WP_COMBINE GENMASK_ULL(30, 27) |
60d15040 RM |
175 | #define CMN_CONFIG_WP_DEV_SEL GENMASK_ULL(50, 48) |
176 | #define CMN_CONFIG_WP_CHN_SEL GENMASK_ULL(55, 51) | |
31fac565 | 177 | /* Note that we don't yet support the tertiary match group on newer IPs */ |
60d15040 RM |
178 | #define CMN_CONFIG_WP_GRP BIT_ULL(56) |
179 | #define CMN_CONFIG_WP_EXCLUSIVE BIT_ULL(57) | |
82d8ea4b RM |
180 | #define CMN_CONFIG1_WP_VAL GENMASK_ULL(63, 0) |
181 | #define CMN_CONFIG2_WP_MASK GENMASK_ULL(63, 0) | |
0ba64770 RM |
182 | |
183 | #define CMN_EVENT_WP_COMBINE(event) FIELD_GET(CMN_CONFIG_WP_COMBINE, (event)->attr.config) | |
184 | #define CMN_EVENT_WP_DEV_SEL(event) FIELD_GET(CMN_CONFIG_WP_DEV_SEL, (event)->attr.config) | |
185 | #define CMN_EVENT_WP_CHN_SEL(event) FIELD_GET(CMN_CONFIG_WP_CHN_SEL, (event)->attr.config) | |
186 | #define CMN_EVENT_WP_GRP(event) FIELD_GET(CMN_CONFIG_WP_GRP, (event)->attr.config) | |
187 | #define CMN_EVENT_WP_EXCLUSIVE(event) FIELD_GET(CMN_CONFIG_WP_EXCLUSIVE, (event)->attr.config) | |
188 | #define CMN_EVENT_WP_VAL(event) FIELD_GET(CMN_CONFIG1_WP_VAL, (event)->attr.config1) | |
189 | #define CMN_EVENT_WP_MASK(event) FIELD_GET(CMN_CONFIG2_WP_MASK, (event)->attr.config2) | |
190 | ||
191 | /* Made-up event IDs for watchpoint direction */ | |
192 | #define CMN_WP_UP 0 | |
193 | #define CMN_WP_DOWN 2 | |
194 | ||
195 | ||
7819e05a | 196 | /* Internal values for encoding event support */ |
61ec1d87 | 197 | enum cmn_model { |
61ec1d87 | 198 | CMN600 = 1, |
8e504d93 | 199 | CMN650 = 2, |
23760a01 | 200 | CMN700 = 4, |
8e504d93 RM |
201 | CI700 = 8, |
202 | /* ...and then we can use bitmap tricks for commonality */ | |
203 | CMN_ANY = -1, | |
204 | NOT_CMN600 = -2, | |
23760a01 | 205 | CMN_650ON = CMN650 | CMN700, |
61ec1d87 RM |
206 | }; |
207 | ||
7819e05a RM |
208 | /* Actual part numbers and revision IDs defined by the hardware */ |
209 | enum cmn_part { | |
210 | PART_CMN600 = 0x434, | |
211 | PART_CMN650 = 0x436, | |
212 | PART_CMN700 = 0x43c, | |
213 | PART_CI700 = 0x43a, | |
214 | }; | |
215 | ||
61ec1d87 | 216 | /* CMN-600 r0px shouldn't exist in silicon, thankfully */ |
0ba64770 | 217 | enum cmn_revision { |
7819e05a RM |
218 | REV_CMN600_R1P0, |
219 | REV_CMN600_R1P1, | |
220 | REV_CMN600_R1P2, | |
221 | REV_CMN600_R1P3, | |
222 | REV_CMN600_R2P0, | |
223 | REV_CMN600_R3P0, | |
224 | REV_CMN600_R3P1, | |
225 | REV_CMN650_R0P0 = 0, | |
226 | REV_CMN650_R1P0, | |
227 | REV_CMN650_R1P1, | |
228 | REV_CMN650_R2P0, | |
229 | REV_CMN650_R1P2, | |
230 | REV_CMN700_R0P0 = 0, | |
231 | REV_CMN700_R1P0, | |
232 | REV_CMN700_R2P0, | |
ac18ea1a | 233 | REV_CMN700_R3P0, |
7819e05a RM |
234 | REV_CI700_R0P0 = 0, |
235 | REV_CI700_R1P0, | |
236 | REV_CI700_R2P0, | |
0ba64770 RM |
237 | }; |
238 | ||
239 | enum cmn_node_type { | |
240 | CMN_TYPE_INVALID, | |
241 | CMN_TYPE_DVM, | |
242 | CMN_TYPE_CFG, | |
243 | CMN_TYPE_DTC, | |
244 | CMN_TYPE_HNI, | |
245 | CMN_TYPE_HNF, | |
246 | CMN_TYPE_XP, | |
247 | CMN_TYPE_SBSX, | |
60d15040 RM |
248 | CMN_TYPE_MPAM_S, |
249 | CMN_TYPE_MPAM_NS, | |
250 | CMN_TYPE_RNI, | |
0ba64770 RM |
251 | CMN_TYPE_RND = 0xd, |
252 | CMN_TYPE_RNSAM = 0xf, | |
60d15040 | 253 | CMN_TYPE_MTSX, |
8e504d93 | 254 | CMN_TYPE_HNP, |
0ba64770 | 255 | CMN_TYPE_CXRA = 0x100, |
23760a01 RM |
256 | CMN_TYPE_CXHA, |
257 | CMN_TYPE_CXLA, | |
258 | CMN_TYPE_CCRA, | |
259 | CMN_TYPE_CCHA, | |
260 | CMN_TYPE_CCLA, | |
261 | CMN_TYPE_CCLA_RNI, | |
ac18ea1a RM |
262 | CMN_TYPE_HNS = 0x200, |
263 | CMN_TYPE_HNS_MPAM_S, | |
264 | CMN_TYPE_HNS_MPAM_NS, | |
0ba64770 RM |
265 | /* Not a real node type */ |
266 | CMN_TYPE_WP = 0x7770 | |
267 | }; | |
268 | ||
65adf713 RM |
269 | enum cmn_filter_select { |
270 | SEL_NONE = -1, | |
271 | SEL_OCCUP1ID, | |
23760a01 RM |
272 | SEL_CLASS_OCCUP_ID, |
273 | SEL_CBUSY_SNTHROTTLE_SEL, | |
ac18ea1a RM |
274 | SEL_HBT_LBT_SEL, |
275 | SEL_SN_HOME_SEL, | |
65adf713 RM |
276 | SEL_MAX |
277 | }; | |
278 | ||
0ba64770 RM |
279 | struct arm_cmn_node { |
280 | void __iomem *pmu_base; | |
281 | u16 id, logid; | |
282 | enum cmn_node_type type; | |
283 | ||
7633ec2c RM |
284 | u8 dtm; |
285 | s8 dtc; | |
286 | /* DN/HN-F/CXHA */ | |
287 | struct { | |
288 | u8 val : 4; | |
289 | u8 count : 4; | |
290 | } occupid[SEL_MAX]; | |
0ba64770 RM |
291 | union { |
292 | u8 event[4]; | |
293 | __le32 event_sel; | |
23760a01 RM |
294 | u16 event_w[4]; |
295 | __le64 event_sel_w; | |
0ba64770 RM |
296 | }; |
297 | }; | |
298 | ||
0947c80a RM |
299 | struct arm_cmn_dtm { |
300 | void __iomem *base; | |
301 | u32 pmu_config_low; | |
302 | union { | |
303 | u8 input_sel[4]; | |
304 | __le32 pmu_config_high; | |
305 | }; | |
306 | s8 wp_event[4]; | |
307 | }; | |
308 | ||
0ba64770 RM |
309 | struct arm_cmn_dtc { |
310 | void __iomem *base; | |
d9ef632f | 311 | int irq; |
0ba64770 RM |
312 | int irq_friend; |
313 | bool cc_active; | |
314 | ||
315 | struct perf_event *counters[CMN_DT_NUM_COUNTERS]; | |
316 | struct perf_event *cycles; | |
317 | }; | |
318 | ||
319 | #define CMN_STATE_DISABLED BIT(0) | |
320 | #define CMN_STATE_TXN BIT(1) | |
321 | ||
322 | struct arm_cmn { | |
323 | struct device *dev; | |
324 | void __iomem *base; | |
60d15040 | 325 | unsigned int state; |
0ba64770 RM |
326 | |
327 | enum cmn_revision rev; | |
7819e05a | 328 | enum cmn_part part; |
0ba64770 RM |
329 | u8 mesh_x; |
330 | u8 mesh_y; | |
331 | u16 num_xps; | |
332 | u16 num_dns; | |
60d15040 RM |
333 | bool multi_dtm; |
334 | u8 ports_used; | |
335 | struct { | |
336 | unsigned int rsp_vc_num : 2; | |
337 | unsigned int dat_vc_num : 2; | |
23760a01 RM |
338 | unsigned int snp_vc_num : 2; |
339 | unsigned int req_vc_num : 2; | |
60d15040 RM |
340 | }; |
341 | ||
0ba64770 RM |
342 | struct arm_cmn_node *xps; |
343 | struct arm_cmn_node *dns; | |
344 | ||
0947c80a | 345 | struct arm_cmn_dtm *dtms; |
0ba64770 RM |
346 | struct arm_cmn_dtc *dtc; |
347 | unsigned int num_dtcs; | |
348 | ||
349 | int cpu; | |
350 | struct hlist_node cpuhp_node; | |
351 | ||
0ba64770 | 352 | struct pmu pmu; |
a88fa6c2 | 353 | struct dentry *debug; |
0ba64770 RM |
354 | }; |
355 | ||
356 | #define to_cmn(p) container_of(p, struct arm_cmn, pmu) | |
357 | ||
358 | static int arm_cmn_hp_state; | |
359 | ||
5f167eab RM |
360 | struct arm_cmn_nodeid { |
361 | u8 x; | |
362 | u8 y; | |
363 | u8 port; | |
364 | u8 dev; | |
365 | }; | |
366 | ||
367 | static int arm_cmn_xyidbits(const struct arm_cmn *cmn) | |
368 | { | |
8e504d93 | 369 | return fls((cmn->mesh_x - 1) | (cmn->mesh_y - 1) | 2); |
5f167eab RM |
370 | } |
371 | ||
372 | static struct arm_cmn_nodeid arm_cmn_nid(const struct arm_cmn *cmn, u16 id) | |
373 | { | |
374 | struct arm_cmn_nodeid nid; | |
5f167eab | 375 | |
60d15040 RM |
376 | if (cmn->num_xps == 1) { |
377 | nid.x = 0; | |
378 | nid.y = 0; | |
379 | nid.port = CMN_NODEID_1x1_PID(id); | |
380 | nid.dev = CMN_NODEID_DEVID(id); | |
381 | } else { | |
382 | int bits = arm_cmn_xyidbits(cmn); | |
383 | ||
384 | nid.x = CMN_NODEID_X(id, bits); | |
385 | nid.y = CMN_NODEID_Y(id, bits); | |
386 | if (cmn->ports_used & 0xc) { | |
387 | nid.port = CMN_NODEID_EXT_PID(id); | |
388 | nid.dev = CMN_NODEID_EXT_DEVID(id); | |
389 | } else { | |
390 | nid.port = CMN_NODEID_PID(id); | |
391 | nid.dev = CMN_NODEID_DEVID(id); | |
392 | } | |
393 | } | |
5f167eab RM |
394 | return nid; |
395 | } | |
396 | ||
0947c80a RM |
397 | static struct arm_cmn_node *arm_cmn_node_to_xp(const struct arm_cmn *cmn, |
398 | const struct arm_cmn_node *dn) | |
5f167eab RM |
399 | { |
400 | struct arm_cmn_nodeid nid = arm_cmn_nid(cmn, dn->id); | |
401 | int xp_idx = cmn->mesh_x * nid.y + nid.x; | |
402 | ||
0947c80a | 403 | return cmn->xps + xp_idx; |
5f167eab | 404 | } |
5f167eab RM |
405 | static struct arm_cmn_node *arm_cmn_node(const struct arm_cmn *cmn, |
406 | enum cmn_node_type type) | |
407 | { | |
da5f7d2c | 408 | struct arm_cmn_node *dn; |
5f167eab | 409 | |
da5f7d2c RM |
410 | for (dn = cmn->dns; dn->type; dn++) |
411 | if (dn->type == type) | |
412 | return dn; | |
5f167eab RM |
413 | return NULL; |
414 | } | |
415 | ||
7819e05a RM |
416 | static enum cmn_model arm_cmn_model(const struct arm_cmn *cmn) |
417 | { | |
418 | switch (cmn->part) { | |
419 | case PART_CMN600: | |
420 | return CMN600; | |
421 | case PART_CMN650: | |
422 | return CMN650; | |
423 | case PART_CMN700: | |
424 | return CMN700; | |
425 | case PART_CI700: | |
426 | return CI700; | |
427 | default: | |
428 | return 0; | |
429 | }; | |
430 | } | |
431 | ||
2ad91e44 RM |
432 | static u32 arm_cmn_device_connect_info(const struct arm_cmn *cmn, |
433 | const struct arm_cmn_node *xp, int port) | |
434 | { | |
435 | int offset = CMN_MXP__CONNECT_INFO(port); | |
436 | ||
437 | if (port >= 2) { | |
7819e05a | 438 | if (cmn->part == PART_CMN600 || cmn->part == PART_CMN650) |
2ad91e44 RM |
439 | return 0; |
440 | /* | |
441 | * CI-700 may have extra ports, but still has the | |
442 | * mesh_port_connect_info registers in the way. | |
443 | */ | |
7819e05a | 444 | if (cmn->part == PART_CI700) |
2ad91e44 RM |
445 | offset += CI700_CONNECT_INFO_P2_5_OFFSET; |
446 | } | |
447 | ||
448 | return readl_relaxed(xp->pmu_base - CMN_PMU_OFFSET + offset); | |
449 | } | |
450 | ||
6f75217b | 451 | static struct dentry *arm_cmn_debugfs; |
a88fa6c2 RM |
452 | |
453 | #ifdef CONFIG_DEBUG_FS | |
454 | static const char *arm_cmn_device_type(u8 type) | |
455 | { | |
c5781212 | 456 | switch(FIELD_GET(CMN__CONNECT_INFO_DEVICE_TYPE, type)) { |
8e504d93 | 457 | case 0x00: return " |"; |
a88fa6c2 RM |
458 | case 0x01: return " RN-I |"; |
459 | case 0x02: return " RN-D |"; | |
460 | case 0x04: return " RN-F_B |"; | |
461 | case 0x05: return "RN-F_B_E|"; | |
462 | case 0x06: return " RN-F_A |"; | |
463 | case 0x07: return "RN-F_A_E|"; | |
464 | case 0x08: return " HN-T |"; | |
465 | case 0x09: return " HN-I |"; | |
466 | case 0x0a: return " HN-D |"; | |
8e504d93 | 467 | case 0x0b: return " HN-P |"; |
a88fa6c2 RM |
468 | case 0x0c: return " SN-F |"; |
469 | case 0x0d: return " SBSX |"; | |
470 | case 0x0e: return " HN-F |"; | |
471 | case 0x0f: return " SN-F_E |"; | |
472 | case 0x10: return " SN-F_D |"; | |
473 | case 0x11: return " CXHA |"; | |
474 | case 0x12: return " CXRA |"; | |
475 | case 0x13: return " CXRH |"; | |
476 | case 0x14: return " RN-F_D |"; | |
477 | case 0x15: return "RN-F_D_E|"; | |
478 | case 0x16: return " RN-F_C |"; | |
479 | case 0x17: return "RN-F_C_E|"; | |
8e504d93 RM |
480 | case 0x18: return " RN-F_E |"; |
481 | case 0x19: return "RN-F_E_E|"; | |
a88fa6c2 | 482 | case 0x1c: return " MTSX |"; |
23760a01 RM |
483 | case 0x1d: return " HN-V |"; |
484 | case 0x1e: return " CCG |"; | |
8e504d93 | 485 | default: return " ???? |"; |
a88fa6c2 RM |
486 | } |
487 | } | |
488 | ||
489 | static void arm_cmn_show_logid(struct seq_file *s, int x, int y, int p, int d) | |
490 | { | |
491 | struct arm_cmn *cmn = s->private; | |
492 | struct arm_cmn_node *dn; | |
493 | ||
494 | for (dn = cmn->dns; dn->type; dn++) { | |
495 | struct arm_cmn_nodeid nid = arm_cmn_nid(cmn, dn->id); | |
496 | ||
497 | if (dn->type == CMN_TYPE_XP) | |
498 | continue; | |
499 | /* Ignore the extra components that will overlap on some ports */ | |
500 | if (dn->type < CMN_TYPE_HNI) | |
501 | continue; | |
502 | ||
503 | if (nid.x != x || nid.y != y || nid.port != p || nid.dev != d) | |
504 | continue; | |
505 | ||
506 | seq_printf(s, " #%-2d |", dn->logid); | |
507 | return; | |
508 | } | |
509 | seq_puts(s, " |"); | |
510 | } | |
511 | ||
512 | static int arm_cmn_map_show(struct seq_file *s, void *data) | |
513 | { | |
514 | struct arm_cmn *cmn = s->private; | |
515 | int x, y, p, pmax = fls(cmn->ports_used); | |
516 | ||
517 | seq_puts(s, " X"); | |
518 | for (x = 0; x < cmn->mesh_x; x++) | |
519 | seq_printf(s, " %d ", x); | |
520 | seq_puts(s, "\nY P D+"); | |
521 | y = cmn->mesh_y; | |
522 | while (y--) { | |
523 | int xp_base = cmn->mesh_x * y; | |
2ad91e44 | 524 | u8 port[CMN_MAX_PORTS][CMN_MAX_DIMENSION]; |
a88fa6c2 RM |
525 | |
526 | for (x = 0; x < cmn->mesh_x; x++) | |
527 | seq_puts(s, "--------+"); | |
528 | ||
529 | seq_printf(s, "\n%d |", y); | |
530 | for (x = 0; x < cmn->mesh_x; x++) { | |
531 | struct arm_cmn_node *xp = cmn->xps + xp_base + x; | |
2ad91e44 RM |
532 | |
533 | for (p = 0; p < CMN_MAX_PORTS; p++) | |
534 | port[p][x] = arm_cmn_device_connect_info(cmn, xp, p); | |
a88fa6c2 RM |
535 | seq_printf(s, " XP #%-2d |", xp_base + x); |
536 | } | |
537 | ||
538 | seq_puts(s, "\n |"); | |
539 | for (x = 0; x < cmn->mesh_x; x++) { | |
7633ec2c | 540 | s8 dtc = cmn->xps[xp_base + x].dtc; |
a88fa6c2 | 541 | |
7633ec2c | 542 | if (dtc < 0) |
a88fa6c2 RM |
543 | seq_puts(s, " DTC ?? |"); |
544 | else | |
7633ec2c | 545 | seq_printf(s, " DTC %d |", dtc); |
a88fa6c2 RM |
546 | } |
547 | seq_puts(s, "\n |"); | |
548 | for (x = 0; x < cmn->mesh_x; x++) | |
549 | seq_puts(s, "........|"); | |
550 | ||
551 | for (p = 0; p < pmax; p++) { | |
552 | seq_printf(s, "\n %d |", p); | |
553 | for (x = 0; x < cmn->mesh_x; x++) | |
554 | seq_puts(s, arm_cmn_device_type(port[p][x])); | |
555 | seq_puts(s, "\n 0|"); | |
556 | for (x = 0; x < cmn->mesh_x; x++) | |
557 | arm_cmn_show_logid(s, x, y, p, 0); | |
558 | seq_puts(s, "\n 1|"); | |
559 | for (x = 0; x < cmn->mesh_x; x++) | |
560 | arm_cmn_show_logid(s, x, y, p, 1); | |
561 | } | |
562 | seq_puts(s, "\n-----+"); | |
563 | } | |
564 | for (x = 0; x < cmn->mesh_x; x++) | |
565 | seq_puts(s, "--------+"); | |
566 | seq_puts(s, "\n"); | |
567 | return 0; | |
568 | } | |
569 | DEFINE_SHOW_ATTRIBUTE(arm_cmn_map); | |
570 | ||
571 | static void arm_cmn_debugfs_init(struct arm_cmn *cmn, int id) | |
572 | { | |
573 | const char *name = "map"; | |
574 | ||
575 | if (id > 0) | |
576 | name = devm_kasprintf(cmn->dev, GFP_KERNEL, "map_%d", id); | |
577 | if (!name) | |
578 | return; | |
579 | ||
580 | cmn->debug = debugfs_create_file(name, 0444, arm_cmn_debugfs, cmn, &arm_cmn_map_fops); | |
581 | } | |
582 | #else | |
583 | static void arm_cmn_debugfs_init(struct arm_cmn *cmn, int id) {} | |
584 | #endif | |
585 | ||
0ba64770 RM |
586 | struct arm_cmn_hw_event { |
587 | struct arm_cmn_node *dn; | |
8e504d93 | 588 | u64 dtm_idx[4]; |
7633ec2c | 589 | s8 dtc_idx[CMN_MAX_DTCS]; |
0ba64770 | 590 | u8 num_dns; |
60d15040 | 591 | u8 dtm_offset; |
23760a01 | 592 | bool wide_sel; |
65adf713 | 593 | enum cmn_filter_select filter_sel; |
0ba64770 RM |
594 | }; |
595 | ||
596 | #define for_each_hw_dn(hw, dn, i) \ | |
597 | for (i = 0, dn = hw->dn; i < hw->num_dns; i++, dn++) | |
598 | ||
7633ec2c RM |
599 | /* @i is the DTC number, @idx is the counter index on that DTC */ |
600 | #define for_each_hw_dtc_idx(hw, i, idx) \ | |
601 | for (int i = 0, idx; i < CMN_MAX_DTCS; i++) if ((idx = hw->dtc_idx[i]) >= 0) | |
602 | ||
0ba64770 RM |
603 | static struct arm_cmn_hw_event *to_cmn_hw(struct perf_event *event) |
604 | { | |
605 | BUILD_BUG_ON(sizeof(struct arm_cmn_hw_event) > offsetof(struct hw_perf_event, target)); | |
606 | return (struct arm_cmn_hw_event *)&event->hw; | |
607 | } | |
608 | ||
609 | static void arm_cmn_set_index(u64 x[], unsigned int pos, unsigned int val) | |
610 | { | |
611 | x[pos / 32] |= (u64)val << ((pos % 32) * 2); | |
612 | } | |
613 | ||
614 | static unsigned int arm_cmn_get_index(u64 x[], unsigned int pos) | |
615 | { | |
616 | return (x[pos / 32] >> ((pos % 32) * 2)) & 3; | |
617 | } | |
618 | ||
619 | struct arm_cmn_event_attr { | |
620 | struct device_attribute attr; | |
61ec1d87 | 621 | enum cmn_model model; |
0ba64770 | 622 | enum cmn_node_type type; |
65adf713 | 623 | enum cmn_filter_select fsel; |
23760a01 | 624 | u16 eventid; |
0ba64770 RM |
625 | u8 occupid; |
626 | }; | |
627 | ||
628 | struct arm_cmn_format_attr { | |
629 | struct device_attribute attr; | |
630 | u64 field; | |
631 | int config; | |
632 | }; | |
633 | ||
65adf713 | 634 | #define _CMN_EVENT_ATTR(_model, _name, _type, _eventid, _occupid, _fsel)\ |
0ba64770 RM |
635 | (&((struct arm_cmn_event_attr[]) {{ \ |
636 | .attr = __ATTR(_name, 0444, arm_cmn_event_show, NULL), \ | |
61ec1d87 | 637 | .model = _model, \ |
0ba64770 RM |
638 | .type = _type, \ |
639 | .eventid = _eventid, \ | |
640 | .occupid = _occupid, \ | |
65adf713 | 641 | .fsel = _fsel, \ |
0ba64770 | 642 | }})[0].attr.attr) |
65adf713 RM |
643 | #define CMN_EVENT_ATTR(_model, _name, _type, _eventid) \ |
644 | _CMN_EVENT_ATTR(_model, _name, _type, _eventid, 0, SEL_NONE) | |
0ba64770 RM |
645 | |
646 | static ssize_t arm_cmn_event_show(struct device *dev, | |
647 | struct device_attribute *attr, char *buf) | |
648 | { | |
649 | struct arm_cmn_event_attr *eattr; | |
650 | ||
651 | eattr = container_of(attr, typeof(*eattr), attr); | |
652 | ||
653 | if (eattr->type == CMN_TYPE_DTC) | |
700a9cf0 | 654 | return sysfs_emit(buf, "type=0x%x\n", eattr->type); |
0ba64770 RM |
655 | |
656 | if (eattr->type == CMN_TYPE_WP) | |
700a9cf0 ZT |
657 | return sysfs_emit(buf, |
658 | "type=0x%x,eventid=0x%x,wp_dev_sel=?,wp_chn_sel=?,wp_grp=?,wp_val=?,wp_mask=?\n", | |
659 | eattr->type, eattr->eventid); | |
0ba64770 | 660 | |
65adf713 | 661 | if (eattr->fsel > SEL_NONE) |
700a9cf0 ZT |
662 | return sysfs_emit(buf, "type=0x%x,eventid=0x%x,occupid=0x%x\n", |
663 | eattr->type, eattr->eventid, eattr->occupid); | |
0ba64770 | 664 | |
700a9cf0 ZT |
665 | return sysfs_emit(buf, "type=0x%x,eventid=0x%x\n", eattr->type, |
666 | eattr->eventid); | |
0ba64770 RM |
667 | } |
668 | ||
669 | static umode_t arm_cmn_event_attr_is_visible(struct kobject *kobj, | |
670 | struct attribute *attr, | |
671 | int unused) | |
672 | { | |
673 | struct device *dev = kobj_to_dev(kobj); | |
674 | struct arm_cmn *cmn = to_cmn(dev_get_drvdata(dev)); | |
675 | struct arm_cmn_event_attr *eattr; | |
8e504d93 RM |
676 | enum cmn_node_type type; |
677 | u16 eventid; | |
0ba64770 RM |
678 | |
679 | eattr = container_of(attr, typeof(*eattr), attr.attr); | |
0ba64770 | 680 | |
7819e05a | 681 | if (!(eattr->model & arm_cmn_model(cmn))) |
61ec1d87 RM |
682 | return 0; |
683 | ||
8e504d93 RM |
684 | type = eattr->type; |
685 | eventid = eattr->eventid; | |
686 | ||
60d15040 | 687 | /* Watchpoints aren't nodes, so avoid confusion */ |
8e504d93 | 688 | if (type == CMN_TYPE_WP) |
60d15040 RM |
689 | return attr->mode; |
690 | ||
691 | /* Hide XP events for unused interfaces/channels */ | |
8e504d93 RM |
692 | if (type == CMN_TYPE_XP) { |
693 | unsigned int intf = (eventid >> 2) & 7; | |
694 | unsigned int chan = eventid >> 5; | |
60d15040 RM |
695 | |
696 | if ((intf & 4) && !(cmn->ports_used & BIT(intf & 3))) | |
697 | return 0; | |
698 | ||
7819e05a | 699 | if (chan == 4 && cmn->part == PART_CMN600) |
205295c7 RM |
700 | return 0; |
701 | ||
60d15040 | 702 | if ((chan == 5 && cmn->rsp_vc_num < 2) || |
23760a01 RM |
703 | (chan == 6 && cmn->dat_vc_num < 2) || |
704 | (chan == 7 && cmn->snp_vc_num < 2) || | |
705 | (chan == 8 && cmn->req_vc_num < 2)) | |
60d15040 RM |
706 | return 0; |
707 | } | |
0ba64770 RM |
708 | |
709 | /* Revision-specific differences */ | |
7819e05a RM |
710 | if (cmn->part == PART_CMN600) { |
711 | if (cmn->rev < REV_CMN600_R1P3) { | |
8e504d93 RM |
712 | if (type == CMN_TYPE_CXRA && eventid > 0x10) |
713 | return 0; | |
714 | } | |
7819e05a | 715 | if (cmn->rev < REV_CMN600_R1P2) { |
8e504d93 RM |
716 | if (type == CMN_TYPE_HNF && eventid == 0x1b) |
717 | return 0; | |
718 | if (type == CMN_TYPE_CXRA || type == CMN_TYPE_CXHA) | |
719 | return 0; | |
720 | } | |
7819e05a RM |
721 | } else if (cmn->part == PART_CMN650) { |
722 | if (cmn->rev < REV_CMN650_R2P0 || cmn->rev == REV_CMN650_R1P2) { | |
8e504d93 RM |
723 | if (type == CMN_TYPE_HNF && eventid > 0x22) |
724 | return 0; | |
725 | if (type == CMN_TYPE_SBSX && eventid == 0x17) | |
726 | return 0; | |
727 | if (type == CMN_TYPE_RNI && eventid > 0x10) | |
728 | return 0; | |
729 | } | |
7819e05a RM |
730 | } else if (cmn->part == PART_CMN700) { |
731 | if (cmn->rev < REV_CMN700_R2P0) { | |
23760a01 RM |
732 | if (type == CMN_TYPE_HNF && eventid > 0x2c) |
733 | return 0; | |
734 | if (type == CMN_TYPE_CCHA && eventid > 0x74) | |
735 | return 0; | |
736 | if (type == CMN_TYPE_CCLA && eventid > 0x27) | |
737 | return 0; | |
738 | } | |
7819e05a | 739 | if (cmn->rev < REV_CMN700_R1P0) { |
23760a01 RM |
740 | if (type == CMN_TYPE_HNF && eventid > 0x2b) |
741 | return 0; | |
742 | } | |
0ba64770 RM |
743 | } |
744 | ||
8e504d93 | 745 | if (!arm_cmn_node(cmn, type)) |
0ba64770 RM |
746 | return 0; |
747 | ||
748 | return attr->mode; | |
749 | } | |
750 | ||
65adf713 RM |
751 | #define _CMN_EVENT_DVM(_model, _name, _event, _occup, _fsel) \ |
752 | _CMN_EVENT_ATTR(_model, dn_##_name, CMN_TYPE_DVM, _event, _occup, _fsel) | |
0ba64770 | 753 | #define CMN_EVENT_DTC(_name) \ |
65adf713 | 754 | CMN_EVENT_ATTR(CMN_ANY, dtc_##_name, CMN_TYPE_DTC, 0) |
b1b7dc38 RM |
755 | #define CMN_EVENT_HNF(_model, _name, _event) \ |
756 | CMN_EVENT_ATTR(_model, hnf_##_name, CMN_TYPE_HNF, _event) | |
0ba64770 | 757 | #define CMN_EVENT_HNI(_name, _event) \ |
65adf713 | 758 | CMN_EVENT_ATTR(CMN_ANY, hni_##_name, CMN_TYPE_HNI, _event) |
8e504d93 | 759 | #define CMN_EVENT_HNP(_name, _event) \ |
65adf713 | 760 | CMN_EVENT_ATTR(CMN_ANY, hnp_##_name, CMN_TYPE_HNP, _event) |
0ba64770 | 761 | #define __CMN_EVENT_XP(_name, _event) \ |
65adf713 | 762 | CMN_EVENT_ATTR(CMN_ANY, mxp_##_name, CMN_TYPE_XP, _event) |
61ec1d87 | 763 | #define CMN_EVENT_SBSX(_model, _name, _event) \ |
65adf713 | 764 | CMN_EVENT_ATTR(_model, sbsx_##_name, CMN_TYPE_SBSX, _event) |
61ec1d87 | 765 | #define CMN_EVENT_RNID(_model, _name, _event) \ |
65adf713 | 766 | CMN_EVENT_ATTR(_model, rnid_##_name, CMN_TYPE_RNI, _event) |
61ec1d87 | 767 | #define CMN_EVENT_MTSX(_name, _event) \ |
65adf713 | 768 | CMN_EVENT_ATTR(CMN_ANY, mtsx_##_name, CMN_TYPE_MTSX, _event) |
8e504d93 | 769 | #define CMN_EVENT_CXRA(_model, _name, _event) \ |
65adf713 | 770 | CMN_EVENT_ATTR(_model, cxra_##_name, CMN_TYPE_CXRA, _event) |
8e504d93 | 771 | #define CMN_EVENT_CXHA(_name, _event) \ |
65adf713 | 772 | CMN_EVENT_ATTR(CMN_ANY, cxha_##_name, CMN_TYPE_CXHA, _event) |
23760a01 RM |
773 | #define CMN_EVENT_CCRA(_name, _event) \ |
774 | CMN_EVENT_ATTR(CMN_ANY, ccra_##_name, CMN_TYPE_CCRA, _event) | |
775 | #define CMN_EVENT_CCHA(_name, _event) \ | |
776 | CMN_EVENT_ATTR(CMN_ANY, ccha_##_name, CMN_TYPE_CCHA, _event) | |
777 | #define CMN_EVENT_CCLA(_name, _event) \ | |
778 | CMN_EVENT_ATTR(CMN_ANY, ccla_##_name, CMN_TYPE_CCLA, _event) | |
779 | #define CMN_EVENT_CCLA_RNI(_name, _event) \ | |
780 | CMN_EVENT_ATTR(CMN_ANY, ccla_rni_##_name, CMN_TYPE_CCLA_RNI, _event) | |
ac18ea1a RM |
781 | #define CMN_EVENT_HNS(_name, _event) \ |
782 | CMN_EVENT_ATTR(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event) | |
61ec1d87 RM |
783 | |
784 | #define CMN_EVENT_DVM(_model, _name, _event) \ | |
65adf713 RM |
785 | _CMN_EVENT_DVM(_model, _name, _event, 0, SEL_NONE) |
786 | #define CMN_EVENT_DVM_OCC(_model, _name, _event) \ | |
787 | _CMN_EVENT_DVM(_model, _name##_all, _event, 0, SEL_OCCUP1ID), \ | |
788 | _CMN_EVENT_DVM(_model, _name##_dvmop, _event, 1, SEL_OCCUP1ID), \ | |
789 | _CMN_EVENT_DVM(_model, _name##_dvmsync, _event, 2, SEL_OCCUP1ID) | |
b1b7dc38 RM |
790 | |
791 | #define CMN_EVENT_HN_OCC(_model, _name, _type, _event) \ | |
792 | _CMN_EVENT_ATTR(_model, _name##_all, _type, _event, 0, SEL_OCCUP1ID), \ | |
793 | _CMN_EVENT_ATTR(_model, _name##_read, _type, _event, 1, SEL_OCCUP1ID), \ | |
794 | _CMN_EVENT_ATTR(_model, _name##_write, _type, _event, 2, SEL_OCCUP1ID), \ | |
795 | _CMN_EVENT_ATTR(_model, _name##_atomic, _type, _event, 3, SEL_OCCUP1ID), \ | |
796 | _CMN_EVENT_ATTR(_model, _name##_stash, _type, _event, 4, SEL_OCCUP1ID) | |
797 | #define CMN_EVENT_HN_CLS(_model, _name, _type, _event) \ | |
798 | _CMN_EVENT_ATTR(_model, _name##_class0, _type, _event, 0, SEL_CLASS_OCCUP_ID), \ | |
799 | _CMN_EVENT_ATTR(_model, _name##_class1, _type, _event, 1, SEL_CLASS_OCCUP_ID), \ | |
800 | _CMN_EVENT_ATTR(_model, _name##_class2, _type, _event, 2, SEL_CLASS_OCCUP_ID), \ | |
801 | _CMN_EVENT_ATTR(_model, _name##_class3, _type, _event, 3, SEL_CLASS_OCCUP_ID) | |
802 | #define CMN_EVENT_HN_SNT(_model, _name, _type, _event) \ | |
803 | _CMN_EVENT_ATTR(_model, _name##_all, _type, _event, 0, SEL_CBUSY_SNTHROTTLE_SEL), \ | |
804 | _CMN_EVENT_ATTR(_model, _name##_group0_read, _type, _event, 1, SEL_CBUSY_SNTHROTTLE_SEL), \ | |
805 | _CMN_EVENT_ATTR(_model, _name##_group0_write, _type, _event, 2, SEL_CBUSY_SNTHROTTLE_SEL), \ | |
806 | _CMN_EVENT_ATTR(_model, _name##_group1_read, _type, _event, 3, SEL_CBUSY_SNTHROTTLE_SEL), \ | |
807 | _CMN_EVENT_ATTR(_model, _name##_group1_write, _type, _event, 4, SEL_CBUSY_SNTHROTTLE_SEL), \ | |
808 | _CMN_EVENT_ATTR(_model, _name##_read, _type, _event, 5, SEL_CBUSY_SNTHROTTLE_SEL), \ | |
809 | _CMN_EVENT_ATTR(_model, _name##_write, _type, _event, 6, SEL_CBUSY_SNTHROTTLE_SEL) | |
810 | ||
811 | #define CMN_EVENT_HNF_OCC(_model, _name, _event) \ | |
812 | CMN_EVENT_HN_OCC(_model, hnf_##_name, CMN_TYPE_HNF, _event) | |
23760a01 | 813 | #define CMN_EVENT_HNF_CLS(_model, _name, _event) \ |
590f23b0 | 814 | CMN_EVENT_HN_CLS(_model, hnf_##_name, CMN_TYPE_HNF, _event) |
23760a01 | 815 | #define CMN_EVENT_HNF_SNT(_model, _name, _event) \ |
b1b7dc38 RM |
816 | CMN_EVENT_HN_SNT(_model, hnf_##_name, CMN_TYPE_HNF, _event) |
817 | ||
ac18ea1a RM |
818 | #define CMN_EVENT_HNS_OCC(_name, _event) \ |
819 | CMN_EVENT_HN_OCC(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event), \ | |
820 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_rxsnp, CMN_TYPE_HNS, _event, 5, SEL_OCCUP1ID), \ | |
821 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_lbt, CMN_TYPE_HNS, _event, 6, SEL_OCCUP1ID), \ | |
822 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_hbt, CMN_TYPE_HNS, _event, 7, SEL_OCCUP1ID) | |
823 | #define CMN_EVENT_HNS_CLS( _name, _event) \ | |
824 | CMN_EVENT_HN_CLS(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event) | |
825 | #define CMN_EVENT_HNS_SNT(_name, _event) \ | |
826 | CMN_EVENT_HN_SNT(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event) | |
827 | #define CMN_EVENT_HNS_HBT(_name, _event) \ | |
828 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_all, CMN_TYPE_HNS, _event, 0, SEL_HBT_LBT_SEL), \ | |
829 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_hbt, CMN_TYPE_HNS, _event, 1, SEL_HBT_LBT_SEL), \ | |
830 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_lbt, CMN_TYPE_HNS, _event, 2, SEL_HBT_LBT_SEL) | |
831 | #define CMN_EVENT_HNS_SNH(_name, _event) \ | |
832 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_all, CMN_TYPE_HNS, _event, 0, SEL_SN_HOME_SEL), \ | |
833 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_sn, CMN_TYPE_HNS, _event, 1, SEL_SN_HOME_SEL), \ | |
834 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_home, CMN_TYPE_HNS, _event, 2, SEL_SN_HOME_SEL) | |
23760a01 | 835 | |
00df9093 | 836 | #define _CMN_EVENT_XP_MESH(_name, _event) \ |
0ba64770 RM |
837 | __CMN_EVENT_XP(e_##_name, (_event) | (0 << 2)), \ |
838 | __CMN_EVENT_XP(w_##_name, (_event) | (1 << 2)), \ | |
839 | __CMN_EVENT_XP(n_##_name, (_event) | (2 << 2)), \ | |
00df9093 RM |
840 | __CMN_EVENT_XP(s_##_name, (_event) | (3 << 2)) |
841 | ||
842 | #define _CMN_EVENT_XP_PORT(_name, _event) \ | |
0ba64770 | 843 | __CMN_EVENT_XP(p0_##_name, (_event) | (4 << 2)), \ |
b2fea780 RM |
844 | __CMN_EVENT_XP(p1_##_name, (_event) | (5 << 2)), \ |
845 | __CMN_EVENT_XP(p2_##_name, (_event) | (6 << 2)), \ | |
846 | __CMN_EVENT_XP(p3_##_name, (_event) | (7 << 2)) | |
0ba64770 | 847 | |
00df9093 RM |
848 | #define _CMN_EVENT_XP(_name, _event) \ |
849 | _CMN_EVENT_XP_MESH(_name, _event), \ | |
850 | _CMN_EVENT_XP_PORT(_name, _event) | |
851 | ||
0ba64770 RM |
852 | /* Good thing there are only 3 fundamental XP events... */ |
853 | #define CMN_EVENT_XP(_name, _event) \ | |
854 | _CMN_EVENT_XP(req_##_name, (_event) | (0 << 5)), \ | |
855 | _CMN_EVENT_XP(rsp_##_name, (_event) | (1 << 5)), \ | |
856 | _CMN_EVENT_XP(snp_##_name, (_event) | (2 << 5)), \ | |
b2fea780 RM |
857 | _CMN_EVENT_XP(dat_##_name, (_event) | (3 << 5)), \ |
858 | _CMN_EVENT_XP(pub_##_name, (_event) | (4 << 5)), \ | |
859 | _CMN_EVENT_XP(rsp2_##_name, (_event) | (5 << 5)), \ | |
23760a01 RM |
860 | _CMN_EVENT_XP(dat2_##_name, (_event) | (6 << 5)), \ |
861 | _CMN_EVENT_XP(snp2_##_name, (_event) | (7 << 5)), \ | |
862 | _CMN_EVENT_XP(req2_##_name, (_event) | (8 << 5)) | |
0ba64770 | 863 | |
00df9093 RM |
864 | #define CMN_EVENT_XP_DAT(_name, _event) \ |
865 | _CMN_EVENT_XP_PORT(dat_##_name, (_event) | (3 << 5)), \ | |
866 | _CMN_EVENT_XP_PORT(dat2_##_name, (_event) | (6 << 5)) | |
867 | ||
0ba64770 RM |
868 | |
869 | static struct attribute *arm_cmn_event_attrs[] = { | |
870 | CMN_EVENT_DTC(cycles), | |
871 | ||
872 | /* | |
873 | * DVM node events conflict with HN-I events in the equivalent PMU | |
874 | * slot, but our lazy short-cut of using the DTM counter index for | |
875 | * the PMU index as well happens to avoid that by construction. | |
876 | */ | |
61ec1d87 RM |
877 | CMN_EVENT_DVM(CMN600, rxreq_dvmop, 0x01), |
878 | CMN_EVENT_DVM(CMN600, rxreq_dvmsync, 0x02), | |
879 | CMN_EVENT_DVM(CMN600, rxreq_dvmop_vmid_filtered, 0x03), | |
880 | CMN_EVENT_DVM(CMN600, rxreq_retried, 0x04), | |
65adf713 | 881 | CMN_EVENT_DVM_OCC(CMN600, rxreq_trk_occupancy, 0x05), |
8e504d93 RM |
882 | CMN_EVENT_DVM(NOT_CMN600, dvmop_tlbi, 0x01), |
883 | CMN_EVENT_DVM(NOT_CMN600, dvmop_bpi, 0x02), | |
884 | CMN_EVENT_DVM(NOT_CMN600, dvmop_pici, 0x03), | |
885 | CMN_EVENT_DVM(NOT_CMN600, dvmop_vici, 0x04), | |
886 | CMN_EVENT_DVM(NOT_CMN600, dvmsync, 0x05), | |
887 | CMN_EVENT_DVM(NOT_CMN600, vmid_filtered, 0x06), | |
888 | CMN_EVENT_DVM(NOT_CMN600, rndop_filtered, 0x07), | |
889 | CMN_EVENT_DVM(NOT_CMN600, retry, 0x08), | |
890 | CMN_EVENT_DVM(NOT_CMN600, txsnp_flitv, 0x09), | |
891 | CMN_EVENT_DVM(NOT_CMN600, txsnp_stall, 0x0a), | |
892 | CMN_EVENT_DVM(NOT_CMN600, trkfull, 0x0b), | |
65adf713 | 893 | CMN_EVENT_DVM_OCC(NOT_CMN600, trk_occupancy, 0x0c), |
23760a01 RM |
894 | CMN_EVENT_DVM_OCC(CMN700, trk_occupancy_cxha, 0x0d), |
895 | CMN_EVENT_DVM_OCC(CMN700, trk_occupancy_pdn, 0x0e), | |
896 | CMN_EVENT_DVM(CMN700, trk_alloc, 0x0f), | |
897 | CMN_EVENT_DVM(CMN700, trk_cxha_alloc, 0x10), | |
898 | CMN_EVENT_DVM(CMN700, trk_pdn_alloc, 0x11), | |
899 | CMN_EVENT_DVM(CMN700, txsnp_stall_limit, 0x12), | |
900 | CMN_EVENT_DVM(CMN700, rxsnp_stall_starv, 0x13), | |
901 | CMN_EVENT_DVM(CMN700, txsnp_sync_stall_op, 0x14), | |
61ec1d87 RM |
902 | |
903 | CMN_EVENT_HNF(CMN_ANY, cache_miss, 0x01), | |
904 | CMN_EVENT_HNF(CMN_ANY, slc_sf_cache_access, 0x02), | |
905 | CMN_EVENT_HNF(CMN_ANY, cache_fill, 0x03), | |
906 | CMN_EVENT_HNF(CMN_ANY, pocq_retry, 0x04), | |
907 | CMN_EVENT_HNF(CMN_ANY, pocq_reqs_recvd, 0x05), | |
908 | CMN_EVENT_HNF(CMN_ANY, sf_hit, 0x06), | |
909 | CMN_EVENT_HNF(CMN_ANY, sf_evictions, 0x07), | |
910 | CMN_EVENT_HNF(CMN_ANY, dir_snoops_sent, 0x08), | |
911 | CMN_EVENT_HNF(CMN_ANY, brd_snoops_sent, 0x09), | |
912 | CMN_EVENT_HNF(CMN_ANY, slc_eviction, 0x0a), | |
913 | CMN_EVENT_HNF(CMN_ANY, slc_fill_invalid_way, 0x0b), | |
914 | CMN_EVENT_HNF(CMN_ANY, mc_retries, 0x0c), | |
915 | CMN_EVENT_HNF(CMN_ANY, mc_reqs, 0x0d), | |
916 | CMN_EVENT_HNF(CMN_ANY, qos_hh_retry, 0x0e), | |
b1b7dc38 | 917 | CMN_EVENT_HNF_OCC(CMN_ANY, qos_pocq_occupancy, 0x0f), |
61ec1d87 RM |
918 | CMN_EVENT_HNF(CMN_ANY, pocq_addrhaz, 0x10), |
919 | CMN_EVENT_HNF(CMN_ANY, pocq_atomic_addrhaz, 0x11), | |
920 | CMN_EVENT_HNF(CMN_ANY, ld_st_swp_adq_full, 0x12), | |
921 | CMN_EVENT_HNF(CMN_ANY, cmp_adq_full, 0x13), | |
922 | CMN_EVENT_HNF(CMN_ANY, txdat_stall, 0x14), | |
923 | CMN_EVENT_HNF(CMN_ANY, txrsp_stall, 0x15), | |
924 | CMN_EVENT_HNF(CMN_ANY, seq_full, 0x16), | |
925 | CMN_EVENT_HNF(CMN_ANY, seq_hit, 0x17), | |
926 | CMN_EVENT_HNF(CMN_ANY, snp_sent, 0x18), | |
927 | CMN_EVENT_HNF(CMN_ANY, sfbi_dir_snp_sent, 0x19), | |
928 | CMN_EVENT_HNF(CMN_ANY, sfbi_brd_snp_sent, 0x1a), | |
929 | CMN_EVENT_HNF(CMN_ANY, snp_sent_untrk, 0x1b), | |
930 | CMN_EVENT_HNF(CMN_ANY, intv_dirty, 0x1c), | |
931 | CMN_EVENT_HNF(CMN_ANY, stash_snp_sent, 0x1d), | |
932 | CMN_EVENT_HNF(CMN_ANY, stash_data_pull, 0x1e), | |
933 | CMN_EVENT_HNF(CMN_ANY, snp_fwded, 0x1f), | |
8e504d93 RM |
934 | CMN_EVENT_HNF(NOT_CMN600, atomic_fwd, 0x20), |
935 | CMN_EVENT_HNF(NOT_CMN600, mpam_hardlim, 0x21), | |
936 | CMN_EVENT_HNF(NOT_CMN600, mpam_softlim, 0x22), | |
23760a01 RM |
937 | CMN_EVENT_HNF(CMN_650ON, snp_sent_cluster, 0x23), |
938 | CMN_EVENT_HNF(CMN_650ON, sf_imprecise_evict, 0x24), | |
939 | CMN_EVENT_HNF(CMN_650ON, sf_evict_shared_line, 0x25), | |
940 | CMN_EVENT_HNF_CLS(CMN700, pocq_class_occup, 0x26), | |
941 | CMN_EVENT_HNF_CLS(CMN700, pocq_class_retry, 0x27), | |
942 | CMN_EVENT_HNF_CLS(CMN700, class_mc_reqs, 0x28), | |
943 | CMN_EVENT_HNF_CLS(CMN700, class_cgnt_cmin, 0x29), | |
944 | CMN_EVENT_HNF_SNT(CMN700, sn_throttle, 0x2a), | |
945 | CMN_EVENT_HNF_SNT(CMN700, sn_throttle_min, 0x2b), | |
946 | CMN_EVENT_HNF(CMN700, sf_precise_to_imprecise, 0x2c), | |
947 | CMN_EVENT_HNF(CMN700, snp_intv_cln, 0x2d), | |
948 | CMN_EVENT_HNF(CMN700, nc_excl, 0x2e), | |
949 | CMN_EVENT_HNF(CMN700, excl_mon_ovfl, 0x2f), | |
61ec1d87 RM |
950 | |
951 | CMN_EVENT_HNI(rrt_rd_occ_cnt_ovfl, 0x20), | |
952 | CMN_EVENT_HNI(rrt_wr_occ_cnt_ovfl, 0x21), | |
953 | CMN_EVENT_HNI(rdt_rd_occ_cnt_ovfl, 0x22), | |
954 | CMN_EVENT_HNI(rdt_wr_occ_cnt_ovfl, 0x23), | |
955 | CMN_EVENT_HNI(wdb_occ_cnt_ovfl, 0x24), | |
956 | CMN_EVENT_HNI(rrt_rd_alloc, 0x25), | |
957 | CMN_EVENT_HNI(rrt_wr_alloc, 0x26), | |
958 | CMN_EVENT_HNI(rdt_rd_alloc, 0x27), | |
959 | CMN_EVENT_HNI(rdt_wr_alloc, 0x28), | |
960 | CMN_EVENT_HNI(wdb_alloc, 0x29), | |
961 | CMN_EVENT_HNI(txrsp_retryack, 0x2a), | |
962 | CMN_EVENT_HNI(arvalid_no_arready, 0x2b), | |
963 | CMN_EVENT_HNI(arready_no_arvalid, 0x2c), | |
964 | CMN_EVENT_HNI(awvalid_no_awready, 0x2d), | |
965 | CMN_EVENT_HNI(awready_no_awvalid, 0x2e), | |
966 | CMN_EVENT_HNI(wvalid_no_wready, 0x2f), | |
967 | CMN_EVENT_HNI(txdat_stall, 0x30), | |
968 | CMN_EVENT_HNI(nonpcie_serialization, 0x31), | |
969 | CMN_EVENT_HNI(pcie_serialization, 0x32), | |
970 | ||
8e504d93 RM |
971 | /* |
972 | * HN-P events squat on top of the HN-I similarly to DVM events, except | |
973 | * for being crammed into the same physical node as well. And of course | |
974 | * where would the fun be if the same events were in the same order... | |
975 | */ | |
976 | CMN_EVENT_HNP(rrt_wr_occ_cnt_ovfl, 0x01), | |
977 | CMN_EVENT_HNP(rdt_wr_occ_cnt_ovfl, 0x02), | |
978 | CMN_EVENT_HNP(wdb_occ_cnt_ovfl, 0x03), | |
979 | CMN_EVENT_HNP(rrt_wr_alloc, 0x04), | |
980 | CMN_EVENT_HNP(rdt_wr_alloc, 0x05), | |
981 | CMN_EVENT_HNP(wdb_alloc, 0x06), | |
982 | CMN_EVENT_HNP(awvalid_no_awready, 0x07), | |
983 | CMN_EVENT_HNP(awready_no_awvalid, 0x08), | |
984 | CMN_EVENT_HNP(wvalid_no_wready, 0x09), | |
985 | CMN_EVENT_HNP(rrt_rd_occ_cnt_ovfl, 0x11), | |
986 | CMN_EVENT_HNP(rdt_rd_occ_cnt_ovfl, 0x12), | |
987 | CMN_EVENT_HNP(rrt_rd_alloc, 0x13), | |
988 | CMN_EVENT_HNP(rdt_rd_alloc, 0x14), | |
989 | CMN_EVENT_HNP(arvalid_no_arready, 0x15), | |
990 | CMN_EVENT_HNP(arready_no_arvalid, 0x16), | |
991 | ||
61ec1d87 RM |
992 | CMN_EVENT_XP(txflit_valid, 0x01), |
993 | CMN_EVENT_XP(txflit_stall, 0x02), | |
00df9093 | 994 | CMN_EVENT_XP_DAT(partial_dat_flit, 0x03), |
0ba64770 | 995 | /* We treat watchpoints as a special made-up class of XP events */ |
65adf713 RM |
996 | CMN_EVENT_ATTR(CMN_ANY, watchpoint_up, CMN_TYPE_WP, CMN_WP_UP), |
997 | CMN_EVENT_ATTR(CMN_ANY, watchpoint_down, CMN_TYPE_WP, CMN_WP_DOWN), | |
61ec1d87 RM |
998 | |
999 | CMN_EVENT_SBSX(CMN_ANY, rd_req, 0x01), | |
1000 | CMN_EVENT_SBSX(CMN_ANY, wr_req, 0x02), | |
1001 | CMN_EVENT_SBSX(CMN_ANY, cmo_req, 0x03), | |
1002 | CMN_EVENT_SBSX(CMN_ANY, txrsp_retryack, 0x04), | |
1003 | CMN_EVENT_SBSX(CMN_ANY, txdat_flitv, 0x05), | |
1004 | CMN_EVENT_SBSX(CMN_ANY, txrsp_flitv, 0x06), | |
1005 | CMN_EVENT_SBSX(CMN_ANY, rd_req_trkr_occ_cnt_ovfl, 0x11), | |
1006 | CMN_EVENT_SBSX(CMN_ANY, wr_req_trkr_occ_cnt_ovfl, 0x12), | |
1007 | CMN_EVENT_SBSX(CMN_ANY, cmo_req_trkr_occ_cnt_ovfl, 0x13), | |
1008 | CMN_EVENT_SBSX(CMN_ANY, wdb_occ_cnt_ovfl, 0x14), | |
1009 | CMN_EVENT_SBSX(CMN_ANY, rd_axi_trkr_occ_cnt_ovfl, 0x15), | |
1010 | CMN_EVENT_SBSX(CMN_ANY, cmo_axi_trkr_occ_cnt_ovfl, 0x16), | |
8e504d93 | 1011 | CMN_EVENT_SBSX(NOT_CMN600, rdb_occ_cnt_ovfl, 0x17), |
61ec1d87 RM |
1012 | CMN_EVENT_SBSX(CMN_ANY, arvalid_no_arready, 0x21), |
1013 | CMN_EVENT_SBSX(CMN_ANY, awvalid_no_awready, 0x22), | |
1014 | CMN_EVENT_SBSX(CMN_ANY, wvalid_no_wready, 0x23), | |
1015 | CMN_EVENT_SBSX(CMN_ANY, txdat_stall, 0x24), | |
1016 | CMN_EVENT_SBSX(CMN_ANY, txrsp_stall, 0x25), | |
1017 | ||
1018 | CMN_EVENT_RNID(CMN_ANY, s0_rdata_beats, 0x01), | |
1019 | CMN_EVENT_RNID(CMN_ANY, s1_rdata_beats, 0x02), | |
1020 | CMN_EVENT_RNID(CMN_ANY, s2_rdata_beats, 0x03), | |
1021 | CMN_EVENT_RNID(CMN_ANY, rxdat_flits, 0x04), | |
1022 | CMN_EVENT_RNID(CMN_ANY, txdat_flits, 0x05), | |
1023 | CMN_EVENT_RNID(CMN_ANY, txreq_flits_total, 0x06), | |
1024 | CMN_EVENT_RNID(CMN_ANY, txreq_flits_retried, 0x07), | |
1025 | CMN_EVENT_RNID(CMN_ANY, rrt_occ_ovfl, 0x08), | |
1026 | CMN_EVENT_RNID(CMN_ANY, wrt_occ_ovfl, 0x09), | |
1027 | CMN_EVENT_RNID(CMN_ANY, txreq_flits_replayed, 0x0a), | |
1028 | CMN_EVENT_RNID(CMN_ANY, wrcancel_sent, 0x0b), | |
1029 | CMN_EVENT_RNID(CMN_ANY, s0_wdata_beats, 0x0c), | |
1030 | CMN_EVENT_RNID(CMN_ANY, s1_wdata_beats, 0x0d), | |
1031 | CMN_EVENT_RNID(CMN_ANY, s2_wdata_beats, 0x0e), | |
1032 | CMN_EVENT_RNID(CMN_ANY, rrt_alloc, 0x0f), | |
1033 | CMN_EVENT_RNID(CMN_ANY, wrt_alloc, 0x10), | |
1034 | CMN_EVENT_RNID(CMN600, rdb_unord, 0x11), | |
1035 | CMN_EVENT_RNID(CMN600, rdb_replay, 0x12), | |
1036 | CMN_EVENT_RNID(CMN600, rdb_hybrid, 0x13), | |
1037 | CMN_EVENT_RNID(CMN600, rdb_ord, 0x14), | |
8e504d93 RM |
1038 | CMN_EVENT_RNID(NOT_CMN600, padb_occ_ovfl, 0x11), |
1039 | CMN_EVENT_RNID(NOT_CMN600, rpdb_occ_ovfl, 0x12), | |
1040 | CMN_EVENT_RNID(NOT_CMN600, rrt_occup_ovfl_slice1, 0x13), | |
1041 | CMN_EVENT_RNID(NOT_CMN600, rrt_occup_ovfl_slice2, 0x14), | |
1042 | CMN_EVENT_RNID(NOT_CMN600, rrt_occup_ovfl_slice3, 0x15), | |
1043 | CMN_EVENT_RNID(NOT_CMN600, wrt_throttled, 0x16), | |
23760a01 RM |
1044 | CMN_EVENT_RNID(CMN700, ldb_full, 0x17), |
1045 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice0, 0x18), | |
1046 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice1, 0x19), | |
1047 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice2, 0x1a), | |
1048 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice3, 0x1b), | |
1049 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice0, 0x1c), | |
1050 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice1, 0x1d), | |
1051 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice2, 0x1e), | |
1052 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice3, 0x1f), | |
1053 | CMN_EVENT_RNID(CMN700, rrt_burst_alloc, 0x20), | |
1054 | CMN_EVENT_RNID(CMN700, awid_hash, 0x21), | |
1055 | CMN_EVENT_RNID(CMN700, atomic_alloc, 0x22), | |
1056 | CMN_EVENT_RNID(CMN700, atomic_occ_ovfl, 0x23), | |
b2fea780 RM |
1057 | |
1058 | CMN_EVENT_MTSX(tc_lookup, 0x01), | |
1059 | CMN_EVENT_MTSX(tc_fill, 0x02), | |
1060 | CMN_EVENT_MTSX(tc_miss, 0x03), | |
1061 | CMN_EVENT_MTSX(tdb_forward, 0x04), | |
1062 | CMN_EVENT_MTSX(tcq_hazard, 0x05), | |
1063 | CMN_EVENT_MTSX(tcq_rd_alloc, 0x06), | |
1064 | CMN_EVENT_MTSX(tcq_wr_alloc, 0x07), | |
1065 | CMN_EVENT_MTSX(tcq_cmo_alloc, 0x08), | |
1066 | CMN_EVENT_MTSX(axi_rd_req, 0x09), | |
1067 | CMN_EVENT_MTSX(axi_wr_req, 0x0a), | |
1068 | CMN_EVENT_MTSX(tcq_occ_cnt_ovfl, 0x0b), | |
1069 | CMN_EVENT_MTSX(tdb_occ_cnt_ovfl, 0x0c), | |
0ba64770 | 1070 | |
8e504d93 RM |
1071 | CMN_EVENT_CXRA(CMN_ANY, rht_occ, 0x01), |
1072 | CMN_EVENT_CXRA(CMN_ANY, sht_occ, 0x02), | |
1073 | CMN_EVENT_CXRA(CMN_ANY, rdb_occ, 0x03), | |
1074 | CMN_EVENT_CXRA(CMN_ANY, wdb_occ, 0x04), | |
1075 | CMN_EVENT_CXRA(CMN_ANY, ssb_occ, 0x05), | |
1076 | CMN_EVENT_CXRA(CMN_ANY, snp_bcasts, 0x06), | |
1077 | CMN_EVENT_CXRA(CMN_ANY, req_chains, 0x07), | |
1078 | CMN_EVENT_CXRA(CMN_ANY, req_chain_avglen, 0x08), | |
1079 | CMN_EVENT_CXRA(CMN_ANY, chirsp_stalls, 0x09), | |
1080 | CMN_EVENT_CXRA(CMN_ANY, chidat_stalls, 0x0a), | |
1081 | CMN_EVENT_CXRA(CMN_ANY, cxreq_pcrd_stalls_link0, 0x0b), | |
1082 | CMN_EVENT_CXRA(CMN_ANY, cxreq_pcrd_stalls_link1, 0x0c), | |
1083 | CMN_EVENT_CXRA(CMN_ANY, cxreq_pcrd_stalls_link2, 0x0d), | |
1084 | CMN_EVENT_CXRA(CMN_ANY, cxdat_pcrd_stalls_link0, 0x0e), | |
1085 | CMN_EVENT_CXRA(CMN_ANY, cxdat_pcrd_stalls_link1, 0x0f), | |
1086 | CMN_EVENT_CXRA(CMN_ANY, cxdat_pcrd_stalls_link2, 0x10), | |
1087 | CMN_EVENT_CXRA(CMN_ANY, external_chirsp_stalls, 0x11), | |
1088 | CMN_EVENT_CXRA(CMN_ANY, external_chidat_stalls, 0x12), | |
1089 | CMN_EVENT_CXRA(NOT_CMN600, cxmisc_pcrd_stalls_link0, 0x13), | |
1090 | CMN_EVENT_CXRA(NOT_CMN600, cxmisc_pcrd_stalls_link1, 0x14), | |
1091 | CMN_EVENT_CXRA(NOT_CMN600, cxmisc_pcrd_stalls_link2, 0x15), | |
1092 | ||
1093 | CMN_EVENT_CXHA(rddatbyp, 0x21), | |
1094 | CMN_EVENT_CXHA(chirsp_up_stall, 0x22), | |
1095 | CMN_EVENT_CXHA(chidat_up_stall, 0x23), | |
1096 | CMN_EVENT_CXHA(snppcrd_link0_stall, 0x24), | |
1097 | CMN_EVENT_CXHA(snppcrd_link1_stall, 0x25), | |
1098 | CMN_EVENT_CXHA(snppcrd_link2_stall, 0x26), | |
1099 | CMN_EVENT_CXHA(reqtrk_occ, 0x27), | |
1100 | CMN_EVENT_CXHA(rdb_occ, 0x28), | |
1101 | CMN_EVENT_CXHA(rdbyp_occ, 0x29), | |
1102 | CMN_EVENT_CXHA(wdb_occ, 0x2a), | |
1103 | CMN_EVENT_CXHA(snptrk_occ, 0x2b), | |
1104 | CMN_EVENT_CXHA(sdb_occ, 0x2c), | |
1105 | CMN_EVENT_CXHA(snphaz_occ, 0x2d), | |
1106 | ||
23760a01 RM |
1107 | CMN_EVENT_CCRA(rht_occ, 0x41), |
1108 | CMN_EVENT_CCRA(sht_occ, 0x42), | |
1109 | CMN_EVENT_CCRA(rdb_occ, 0x43), | |
1110 | CMN_EVENT_CCRA(wdb_occ, 0x44), | |
1111 | CMN_EVENT_CCRA(ssb_occ, 0x45), | |
1112 | CMN_EVENT_CCRA(snp_bcasts, 0x46), | |
1113 | CMN_EVENT_CCRA(req_chains, 0x47), | |
1114 | CMN_EVENT_CCRA(req_chain_avglen, 0x48), | |
1115 | CMN_EVENT_CCRA(chirsp_stalls, 0x49), | |
1116 | CMN_EVENT_CCRA(chidat_stalls, 0x4a), | |
1117 | CMN_EVENT_CCRA(cxreq_pcrd_stalls_link0, 0x4b), | |
1118 | CMN_EVENT_CCRA(cxreq_pcrd_stalls_link1, 0x4c), | |
1119 | CMN_EVENT_CCRA(cxreq_pcrd_stalls_link2, 0x4d), | |
1120 | CMN_EVENT_CCRA(cxdat_pcrd_stalls_link0, 0x4e), | |
1121 | CMN_EVENT_CCRA(cxdat_pcrd_stalls_link1, 0x4f), | |
1122 | CMN_EVENT_CCRA(cxdat_pcrd_stalls_link2, 0x50), | |
1123 | CMN_EVENT_CCRA(external_chirsp_stalls, 0x51), | |
1124 | CMN_EVENT_CCRA(external_chidat_stalls, 0x52), | |
1125 | CMN_EVENT_CCRA(cxmisc_pcrd_stalls_link0, 0x53), | |
1126 | CMN_EVENT_CCRA(cxmisc_pcrd_stalls_link1, 0x54), | |
1127 | CMN_EVENT_CCRA(cxmisc_pcrd_stalls_link2, 0x55), | |
1128 | CMN_EVENT_CCRA(rht_alloc, 0x56), | |
1129 | CMN_EVENT_CCRA(sht_alloc, 0x57), | |
1130 | CMN_EVENT_CCRA(rdb_alloc, 0x58), | |
1131 | CMN_EVENT_CCRA(wdb_alloc, 0x59), | |
1132 | CMN_EVENT_CCRA(ssb_alloc, 0x5a), | |
1133 | ||
1134 | CMN_EVENT_CCHA(rddatbyp, 0x61), | |
1135 | CMN_EVENT_CCHA(chirsp_up_stall, 0x62), | |
1136 | CMN_EVENT_CCHA(chidat_up_stall, 0x63), | |
1137 | CMN_EVENT_CCHA(snppcrd_link0_stall, 0x64), | |
1138 | CMN_EVENT_CCHA(snppcrd_link1_stall, 0x65), | |
1139 | CMN_EVENT_CCHA(snppcrd_link2_stall, 0x66), | |
1140 | CMN_EVENT_CCHA(reqtrk_occ, 0x67), | |
1141 | CMN_EVENT_CCHA(rdb_occ, 0x68), | |
1142 | CMN_EVENT_CCHA(rdbyp_occ, 0x69), | |
1143 | CMN_EVENT_CCHA(wdb_occ, 0x6a), | |
1144 | CMN_EVENT_CCHA(snptrk_occ, 0x6b), | |
1145 | CMN_EVENT_CCHA(sdb_occ, 0x6c), | |
1146 | CMN_EVENT_CCHA(snphaz_occ, 0x6d), | |
1147 | CMN_EVENT_CCHA(reqtrk_alloc, 0x6e), | |
1148 | CMN_EVENT_CCHA(rdb_alloc, 0x6f), | |
1149 | CMN_EVENT_CCHA(rdbyp_alloc, 0x70), | |
1150 | CMN_EVENT_CCHA(wdb_alloc, 0x71), | |
1151 | CMN_EVENT_CCHA(snptrk_alloc, 0x72), | |
1152 | CMN_EVENT_CCHA(sdb_alloc, 0x73), | |
1153 | CMN_EVENT_CCHA(snphaz_alloc, 0x74), | |
1154 | CMN_EVENT_CCHA(pb_rhu_req_occ, 0x75), | |
1155 | CMN_EVENT_CCHA(pb_rhu_req_alloc, 0x76), | |
1156 | CMN_EVENT_CCHA(pb_rhu_pcie_req_occ, 0x77), | |
1157 | CMN_EVENT_CCHA(pb_rhu_pcie_req_alloc, 0x78), | |
1158 | CMN_EVENT_CCHA(pb_pcie_wr_req_occ, 0x79), | |
1159 | CMN_EVENT_CCHA(pb_pcie_wr_req_alloc, 0x7a), | |
1160 | CMN_EVENT_CCHA(pb_pcie_reg_req_occ, 0x7b), | |
1161 | CMN_EVENT_CCHA(pb_pcie_reg_req_alloc, 0x7c), | |
1162 | CMN_EVENT_CCHA(pb_pcie_rsvd_req_occ, 0x7d), | |
1163 | CMN_EVENT_CCHA(pb_pcie_rsvd_req_alloc, 0x7e), | |
1164 | CMN_EVENT_CCHA(pb_rhu_dat_occ, 0x7f), | |
1165 | CMN_EVENT_CCHA(pb_rhu_dat_alloc, 0x80), | |
1166 | CMN_EVENT_CCHA(pb_rhu_pcie_dat_occ, 0x81), | |
1167 | CMN_EVENT_CCHA(pb_rhu_pcie_dat_alloc, 0x82), | |
1168 | CMN_EVENT_CCHA(pb_pcie_wr_dat_occ, 0x83), | |
1169 | CMN_EVENT_CCHA(pb_pcie_wr_dat_alloc, 0x84), | |
1170 | ||
1171 | CMN_EVENT_CCLA(rx_cxs, 0x21), | |
1172 | CMN_EVENT_CCLA(tx_cxs, 0x22), | |
1173 | CMN_EVENT_CCLA(rx_cxs_avg_size, 0x23), | |
1174 | CMN_EVENT_CCLA(tx_cxs_avg_size, 0x24), | |
1175 | CMN_EVENT_CCLA(tx_cxs_lcrd_backpressure, 0x25), | |
1176 | CMN_EVENT_CCLA(link_crdbuf_occ, 0x26), | |
1177 | CMN_EVENT_CCLA(link_crdbuf_alloc, 0x27), | |
1178 | CMN_EVENT_CCLA(pfwd_rcvr_cxs, 0x28), | |
1179 | CMN_EVENT_CCLA(pfwd_sndr_num_flits, 0x29), | |
1180 | CMN_EVENT_CCLA(pfwd_sndr_stalls_static_crd, 0x2a), | |
1181 | CMN_EVENT_CCLA(pfwd_sndr_stalls_dynmaic_crd, 0x2b), | |
1182 | ||
ac18ea1a RM |
1183 | CMN_EVENT_HNS_HBT(cache_miss, 0x01), |
1184 | CMN_EVENT_HNS_HBT(slc_sf_cache_access, 0x02), | |
1185 | CMN_EVENT_HNS_HBT(cache_fill, 0x03), | |
1186 | CMN_EVENT_HNS_HBT(pocq_retry, 0x04), | |
1187 | CMN_EVENT_HNS_HBT(pocq_reqs_recvd, 0x05), | |
1188 | CMN_EVENT_HNS_HBT(sf_hit, 0x06), | |
1189 | CMN_EVENT_HNS_HBT(sf_evictions, 0x07), | |
1190 | CMN_EVENT_HNS(dir_snoops_sent, 0x08), | |
1191 | CMN_EVENT_HNS(brd_snoops_sent, 0x09), | |
1192 | CMN_EVENT_HNS_HBT(slc_eviction, 0x0a), | |
1193 | CMN_EVENT_HNS_HBT(slc_fill_invalid_way, 0x0b), | |
1194 | CMN_EVENT_HNS(mc_retries_local, 0x0c), | |
1195 | CMN_EVENT_HNS_SNH(mc_reqs_local, 0x0d), | |
1196 | CMN_EVENT_HNS(qos_hh_retry, 0x0e), | |
1197 | CMN_EVENT_HNS_OCC(qos_pocq_occupancy, 0x0f), | |
1198 | CMN_EVENT_HNS(pocq_addrhaz, 0x10), | |
1199 | CMN_EVENT_HNS(pocq_atomic_addrhaz, 0x11), | |
1200 | CMN_EVENT_HNS(ld_st_swp_adq_full, 0x12), | |
1201 | CMN_EVENT_HNS(cmp_adq_full, 0x13), | |
1202 | CMN_EVENT_HNS(txdat_stall, 0x14), | |
1203 | CMN_EVENT_HNS(txrsp_stall, 0x15), | |
1204 | CMN_EVENT_HNS(seq_full, 0x16), | |
1205 | CMN_EVENT_HNS(seq_hit, 0x17), | |
1206 | CMN_EVENT_HNS(snp_sent, 0x18), | |
1207 | CMN_EVENT_HNS(sfbi_dir_snp_sent, 0x19), | |
1208 | CMN_EVENT_HNS(sfbi_brd_snp_sent, 0x1a), | |
1209 | CMN_EVENT_HNS(intv_dirty, 0x1c), | |
1210 | CMN_EVENT_HNS(stash_snp_sent, 0x1d), | |
1211 | CMN_EVENT_HNS(stash_data_pull, 0x1e), | |
1212 | CMN_EVENT_HNS(snp_fwded, 0x1f), | |
1213 | CMN_EVENT_HNS(atomic_fwd, 0x20), | |
1214 | CMN_EVENT_HNS(mpam_hardlim, 0x21), | |
1215 | CMN_EVENT_HNS(mpam_softlim, 0x22), | |
1216 | CMN_EVENT_HNS(snp_sent_cluster, 0x23), | |
1217 | CMN_EVENT_HNS(sf_imprecise_evict, 0x24), | |
1218 | CMN_EVENT_HNS(sf_evict_shared_line, 0x25), | |
1219 | CMN_EVENT_HNS_CLS(pocq_class_occup, 0x26), | |
1220 | CMN_EVENT_HNS_CLS(pocq_class_retry, 0x27), | |
1221 | CMN_EVENT_HNS_CLS(class_mc_reqs_local, 0x28), | |
1222 | CMN_EVENT_HNS_CLS(class_cgnt_cmin, 0x29), | |
1223 | CMN_EVENT_HNS_SNT(sn_throttle, 0x2a), | |
1224 | CMN_EVENT_HNS_SNT(sn_throttle_min, 0x2b), | |
1225 | CMN_EVENT_HNS(sf_precise_to_imprecise, 0x2c), | |
1226 | CMN_EVENT_HNS(snp_intv_cln, 0x2d), | |
1227 | CMN_EVENT_HNS(nc_excl, 0x2e), | |
1228 | CMN_EVENT_HNS(excl_mon_ovfl, 0x2f), | |
1229 | CMN_EVENT_HNS(snp_req_recvd, 0x30), | |
1230 | CMN_EVENT_HNS(snp_req_byp_pocq, 0x31), | |
1231 | CMN_EVENT_HNS(dir_ccgha_snp_sent, 0x32), | |
1232 | CMN_EVENT_HNS(brd_ccgha_snp_sent, 0x33), | |
1233 | CMN_EVENT_HNS(ccgha_snp_stall, 0x34), | |
1234 | CMN_EVENT_HNS(lbt_req_hardlim, 0x35), | |
1235 | CMN_EVENT_HNS(hbt_req_hardlim, 0x36), | |
1236 | CMN_EVENT_HNS(sf_reupdate, 0x37), | |
1237 | CMN_EVENT_HNS(excl_sf_imprecise, 0x38), | |
1238 | CMN_EVENT_HNS(snp_pocq_addrhaz, 0x39), | |
1239 | CMN_EVENT_HNS(mc_retries_remote, 0x3a), | |
1240 | CMN_EVENT_HNS_SNH(mc_reqs_remote, 0x3b), | |
1241 | CMN_EVENT_HNS_CLS(class_mc_reqs_remote, 0x3c), | |
1242 | ||
0ba64770 RM |
1243 | NULL |
1244 | }; | |
1245 | ||
1246 | static const struct attribute_group arm_cmn_event_attrs_group = { | |
1247 | .name = "events", | |
1248 | .attrs = arm_cmn_event_attrs, | |
1249 | .is_visible = arm_cmn_event_attr_is_visible, | |
1250 | }; | |
1251 | ||
1252 | static ssize_t arm_cmn_format_show(struct device *dev, | |
1253 | struct device_attribute *attr, char *buf) | |
1254 | { | |
1255 | struct arm_cmn_format_attr *fmt = container_of(attr, typeof(*fmt), attr); | |
1256 | int lo = __ffs(fmt->field), hi = __fls(fmt->field); | |
1257 | ||
1258 | if (lo == hi) | |
700a9cf0 | 1259 | return sysfs_emit(buf, "config:%d\n", lo); |
0ba64770 RM |
1260 | |
1261 | if (!fmt->config) | |
700a9cf0 | 1262 | return sysfs_emit(buf, "config:%d-%d\n", lo, hi); |
0ba64770 | 1263 | |
700a9cf0 | 1264 | return sysfs_emit(buf, "config%d:%d-%d\n", fmt->config, lo, hi); |
0ba64770 RM |
1265 | } |
1266 | ||
1267 | #define _CMN_FORMAT_ATTR(_name, _cfg, _fld) \ | |
1268 | (&((struct arm_cmn_format_attr[]) {{ \ | |
1269 | .attr = __ATTR(_name, 0444, arm_cmn_format_show, NULL), \ | |
1270 | .config = _cfg, \ | |
1271 | .field = _fld, \ | |
1272 | }})[0].attr.attr) | |
1273 | #define CMN_FORMAT_ATTR(_name, _fld) _CMN_FORMAT_ATTR(_name, 0, _fld) | |
1274 | ||
1275 | static struct attribute *arm_cmn_format_attrs[] = { | |
1276 | CMN_FORMAT_ATTR(type, CMN_CONFIG_TYPE), | |
1277 | CMN_FORMAT_ATTR(eventid, CMN_CONFIG_EVENTID), | |
1278 | CMN_FORMAT_ATTR(occupid, CMN_CONFIG_OCCUPID), | |
1279 | CMN_FORMAT_ATTR(bynodeid, CMN_CONFIG_BYNODEID), | |
1280 | CMN_FORMAT_ATTR(nodeid, CMN_CONFIG_NODEID), | |
1281 | ||
1282 | CMN_FORMAT_ATTR(wp_dev_sel, CMN_CONFIG_WP_DEV_SEL), | |
1283 | CMN_FORMAT_ATTR(wp_chn_sel, CMN_CONFIG_WP_CHN_SEL), | |
1284 | CMN_FORMAT_ATTR(wp_grp, CMN_CONFIG_WP_GRP), | |
1285 | CMN_FORMAT_ATTR(wp_exclusive, CMN_CONFIG_WP_EXCLUSIVE), | |
1286 | CMN_FORMAT_ATTR(wp_combine, CMN_CONFIG_WP_COMBINE), | |
1287 | ||
1288 | _CMN_FORMAT_ATTR(wp_val, 1, CMN_CONFIG1_WP_VAL), | |
1289 | _CMN_FORMAT_ATTR(wp_mask, 2, CMN_CONFIG2_WP_MASK), | |
1290 | ||
1291 | NULL | |
1292 | }; | |
1293 | ||
1294 | static const struct attribute_group arm_cmn_format_attrs_group = { | |
1295 | .name = "format", | |
1296 | .attrs = arm_cmn_format_attrs, | |
1297 | }; | |
1298 | ||
1299 | static ssize_t arm_cmn_cpumask_show(struct device *dev, | |
1300 | struct device_attribute *attr, char *buf) | |
1301 | { | |
1302 | struct arm_cmn *cmn = to_cmn(dev_get_drvdata(dev)); | |
1303 | ||
1304 | return cpumap_print_to_pagebuf(true, buf, cpumask_of(cmn->cpu)); | |
1305 | } | |
1306 | ||
1307 | static struct device_attribute arm_cmn_cpumask_attr = | |
1308 | __ATTR(cpumask, 0444, arm_cmn_cpumask_show, NULL); | |
1309 | ||
a1c45d3e RM |
1310 | static ssize_t arm_cmn_identifier_show(struct device *dev, |
1311 | struct device_attribute *attr, char *buf) | |
1312 | { | |
1313 | struct arm_cmn *cmn = to_cmn(dev_get_drvdata(dev)); | |
1314 | ||
1315 | return sysfs_emit(buf, "%03x%02x\n", cmn->part, cmn->rev); | |
1316 | } | |
1317 | ||
1318 | static struct device_attribute arm_cmn_identifier_attr = | |
1319 | __ATTR(identifier, 0444, arm_cmn_identifier_show, NULL); | |
1320 | ||
1321 | static struct attribute *arm_cmn_other_attrs[] = { | |
0ba64770 | 1322 | &arm_cmn_cpumask_attr.attr, |
a1c45d3e | 1323 | &arm_cmn_identifier_attr.attr, |
0ba64770 RM |
1324 | NULL, |
1325 | }; | |
1326 | ||
a1c45d3e RM |
1327 | static const struct attribute_group arm_cmn_other_attrs_group = { |
1328 | .attrs = arm_cmn_other_attrs, | |
0ba64770 RM |
1329 | }; |
1330 | ||
1331 | static const struct attribute_group *arm_cmn_attr_groups[] = { | |
1332 | &arm_cmn_event_attrs_group, | |
1333 | &arm_cmn_format_attrs_group, | |
a1c45d3e | 1334 | &arm_cmn_other_attrs_group, |
0ba64770 RM |
1335 | NULL |
1336 | }; | |
1337 | ||
1338 | static int arm_cmn_wp_idx(struct perf_event *event) | |
1339 | { | |
1340 | return CMN_EVENT_EVENTID(event) + CMN_EVENT_WP_GRP(event); | |
1341 | } | |
1342 | ||
1343 | static u32 arm_cmn_wp_config(struct perf_event *event) | |
1344 | { | |
1345 | u32 config; | |
1346 | u32 dev = CMN_EVENT_WP_DEV_SEL(event); | |
1347 | u32 chn = CMN_EVENT_WP_CHN_SEL(event); | |
1348 | u32 grp = CMN_EVENT_WP_GRP(event); | |
1349 | u32 exc = CMN_EVENT_WP_EXCLUSIVE(event); | |
1350 | u32 combine = CMN_EVENT_WP_COMBINE(event); | |
7819e05a | 1351 | bool is_cmn600 = to_cmn(event->pmu)->part == PART_CMN600; |
0ba64770 RM |
1352 | |
1353 | config = FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_DEV_SEL, dev) | | |
1354 | FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_CHN_SEL, chn) | | |
1355 | FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_GRP, grp) | | |
60d15040 | 1356 | FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_DEV_SEL2, dev >> 1); |
31fac565 RM |
1357 | if (exc) |
1358 | config |= is_cmn600 ? CMN600_WPn_CONFIG_WP_EXCLUSIVE : | |
1359 | CMN_DTM_WPn_CONFIG_WP_EXCLUSIVE; | |
0ba64770 | 1360 | if (combine && !grp) |
31fac565 RM |
1361 | config |= is_cmn600 ? CMN600_WPn_CONFIG_WP_COMBINE : |
1362 | CMN_DTM_WPn_CONFIG_WP_COMBINE; | |
0ba64770 RM |
1363 | return config; |
1364 | } | |
1365 | ||
1366 | static void arm_cmn_set_state(struct arm_cmn *cmn, u32 state) | |
1367 | { | |
1368 | if (!cmn->state) | |
1369 | writel_relaxed(0, cmn->dtc[0].base + CMN_DT_PMCR); | |
1370 | cmn->state |= state; | |
1371 | } | |
1372 | ||
1373 | static void arm_cmn_clear_state(struct arm_cmn *cmn, u32 state) | |
1374 | { | |
1375 | cmn->state &= ~state; | |
1376 | if (!cmn->state) | |
1377 | writel_relaxed(CMN_DT_PMCR_PMU_EN | CMN_DT_PMCR_OVFL_INTR_EN, | |
1378 | cmn->dtc[0].base + CMN_DT_PMCR); | |
1379 | } | |
1380 | ||
1381 | static void arm_cmn_pmu_enable(struct pmu *pmu) | |
1382 | { | |
1383 | arm_cmn_clear_state(to_cmn(pmu), CMN_STATE_DISABLED); | |
1384 | } | |
1385 | ||
1386 | static void arm_cmn_pmu_disable(struct pmu *pmu) | |
1387 | { | |
1388 | arm_cmn_set_state(to_cmn(pmu), CMN_STATE_DISABLED); | |
1389 | } | |
1390 | ||
1391 | static u64 arm_cmn_read_dtm(struct arm_cmn *cmn, struct arm_cmn_hw_event *hw, | |
1392 | bool snapshot) | |
1393 | { | |
847eef94 | 1394 | struct arm_cmn_dtm *dtm = NULL; |
0ba64770 | 1395 | struct arm_cmn_node *dn; |
847eef94 RM |
1396 | unsigned int i, offset, dtm_idx; |
1397 | u64 reg, count = 0; | |
0ba64770 RM |
1398 | |
1399 | offset = snapshot ? CMN_DTM_PMEVCNTSR : CMN_DTM_PMEVCNT; | |
1400 | for_each_hw_dn(hw, dn, i) { | |
847eef94 | 1401 | if (dtm != &cmn->dtms[dn->dtm]) { |
60d15040 | 1402 | dtm = &cmn->dtms[dn->dtm] + hw->dtm_offset; |
847eef94 RM |
1403 | reg = readq_relaxed(dtm->base + offset); |
1404 | } | |
1405 | dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); | |
1406 | count += (u16)(reg >> (dtm_idx * 16)); | |
0ba64770 RM |
1407 | } |
1408 | return count; | |
1409 | } | |
1410 | ||
1411 | static u64 arm_cmn_read_cc(struct arm_cmn_dtc *dtc) | |
1412 | { | |
1413 | u64 val = readq_relaxed(dtc->base + CMN_DT_PMCCNTR); | |
1414 | ||
1415 | writeq_relaxed(CMN_CC_INIT, dtc->base + CMN_DT_PMCCNTR); | |
1416 | return (val - CMN_CC_INIT) & ((CMN_CC_INIT << 1) - 1); | |
1417 | } | |
1418 | ||
1419 | static u32 arm_cmn_read_counter(struct arm_cmn_dtc *dtc, int idx) | |
1420 | { | |
1421 | u32 val, pmevcnt = CMN_DT_PMEVCNT(idx); | |
1422 | ||
1423 | val = readl_relaxed(dtc->base + pmevcnt); | |
1424 | writel_relaxed(CMN_COUNTER_INIT, dtc->base + pmevcnt); | |
1425 | return val - CMN_COUNTER_INIT; | |
1426 | } | |
1427 | ||
1428 | static void arm_cmn_init_counter(struct perf_event *event) | |
1429 | { | |
1430 | struct arm_cmn *cmn = to_cmn(event->pmu); | |
1431 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
0ba64770 RM |
1432 | u64 count; |
1433 | ||
7633ec2c RM |
1434 | for_each_hw_dtc_idx(hw, i, idx) { |
1435 | writel_relaxed(CMN_COUNTER_INIT, cmn->dtc[i].base + CMN_DT_PMEVCNT(idx)); | |
1436 | cmn->dtc[i].counters[idx] = event; | |
0ba64770 RM |
1437 | } |
1438 | ||
1439 | count = arm_cmn_read_dtm(cmn, hw, false); | |
1440 | local64_set(&event->hw.prev_count, count); | |
1441 | } | |
1442 | ||
1443 | static void arm_cmn_event_read(struct perf_event *event) | |
1444 | { | |
1445 | struct arm_cmn *cmn = to_cmn(event->pmu); | |
1446 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
1447 | u64 delta, new, prev; | |
1448 | unsigned long flags; | |
0ba64770 | 1449 | |
7633ec2c RM |
1450 | if (CMN_EVENT_TYPE(event) == CMN_TYPE_DTC) { |
1451 | delta = arm_cmn_read_cc(cmn->dtc + hw->dtc_idx[0]); | |
0ba64770 RM |
1452 | local64_add(delta, &event->count); |
1453 | return; | |
1454 | } | |
1455 | new = arm_cmn_read_dtm(cmn, hw, false); | |
1456 | prev = local64_xchg(&event->hw.prev_count, new); | |
1457 | ||
1458 | delta = new - prev; | |
1459 | ||
1460 | local_irq_save(flags); | |
7633ec2c RM |
1461 | for_each_hw_dtc_idx(hw, i, idx) { |
1462 | new = arm_cmn_read_counter(cmn->dtc + i, idx); | |
0ba64770 RM |
1463 | delta += new << 16; |
1464 | } | |
1465 | local_irq_restore(flags); | |
1466 | local64_add(delta, &event->count); | |
1467 | } | |
1468 | ||
65adf713 RM |
1469 | static int arm_cmn_set_event_sel_hi(struct arm_cmn_node *dn, |
1470 | enum cmn_filter_select fsel, u8 occupid) | |
1471 | { | |
1472 | u64 reg; | |
1473 | ||
1474 | if (fsel == SEL_NONE) | |
1475 | return 0; | |
1476 | ||
1477 | if (!dn->occupid[fsel].count) { | |
1478 | dn->occupid[fsel].val = occupid; | |
23760a01 RM |
1479 | reg = FIELD_PREP(CMN__PMU_CBUSY_SNTHROTTLE_SEL, |
1480 | dn->occupid[SEL_CBUSY_SNTHROTTLE_SEL].val) | | |
ac18ea1a RM |
1481 | FIELD_PREP(CMN__PMU_SN_HOME_SEL, |
1482 | dn->occupid[SEL_SN_HOME_SEL].val) | | |
1483 | FIELD_PREP(CMN__PMU_HBT_LBT_SEL, | |
1484 | dn->occupid[SEL_HBT_LBT_SEL].val) | | |
23760a01 RM |
1485 | FIELD_PREP(CMN__PMU_CLASS_OCCUP_ID, |
1486 | dn->occupid[SEL_CLASS_OCCUP_ID].val) | | |
1487 | FIELD_PREP(CMN__PMU_OCCUP1_ID, | |
65adf713 RM |
1488 | dn->occupid[SEL_OCCUP1ID].val); |
1489 | writel_relaxed(reg >> 32, dn->pmu_base + CMN_PMU_EVENT_SEL + 4); | |
1490 | } else if (dn->occupid[fsel].val != occupid) { | |
1491 | return -EBUSY; | |
1492 | } | |
1493 | dn->occupid[fsel].count++; | |
1494 | return 0; | |
1495 | } | |
1496 | ||
23760a01 RM |
1497 | static void arm_cmn_set_event_sel_lo(struct arm_cmn_node *dn, int dtm_idx, |
1498 | int eventid, bool wide_sel) | |
1499 | { | |
1500 | if (wide_sel) { | |
1501 | dn->event_w[dtm_idx] = eventid; | |
1502 | writeq_relaxed(le64_to_cpu(dn->event_sel_w), dn->pmu_base + CMN_PMU_EVENT_SEL); | |
1503 | } else { | |
1504 | dn->event[dtm_idx] = eventid; | |
1505 | writel_relaxed(le32_to_cpu(dn->event_sel), dn->pmu_base + CMN_PMU_EVENT_SEL); | |
1506 | } | |
1507 | } | |
1508 | ||
0ba64770 RM |
1509 | static void arm_cmn_event_start(struct perf_event *event, int flags) |
1510 | { | |
1511 | struct arm_cmn *cmn = to_cmn(event->pmu); | |
1512 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
1513 | struct arm_cmn_node *dn; | |
1514 | enum cmn_node_type type = CMN_EVENT_TYPE(event); | |
1515 | int i; | |
1516 | ||
1517 | if (type == CMN_TYPE_DTC) { | |
7633ec2c | 1518 | i = hw->dtc_idx[0]; |
0ba64770 RM |
1519 | writeq_relaxed(CMN_CC_INIT, cmn->dtc[i].base + CMN_DT_PMCCNTR); |
1520 | cmn->dtc[i].cc_active = true; | |
1521 | } else if (type == CMN_TYPE_WP) { | |
1522 | int wp_idx = arm_cmn_wp_idx(event); | |
1523 | u64 val = CMN_EVENT_WP_VAL(event); | |
1524 | u64 mask = CMN_EVENT_WP_MASK(event); | |
1525 | ||
1526 | for_each_hw_dn(hw, dn, i) { | |
60d15040 RM |
1527 | void __iomem *base = dn->pmu_base + CMN_DTM_OFFSET(hw->dtm_offset); |
1528 | ||
1529 | writeq_relaxed(val, base + CMN_DTM_WPn_VAL(wp_idx)); | |
1530 | writeq_relaxed(mask, base + CMN_DTM_WPn_MASK(wp_idx)); | |
0ba64770 RM |
1531 | } |
1532 | } else for_each_hw_dn(hw, dn, i) { | |
1533 | int dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); | |
1534 | ||
23760a01 RM |
1535 | arm_cmn_set_event_sel_lo(dn, dtm_idx, CMN_EVENT_EVENTID(event), |
1536 | hw->wide_sel); | |
0ba64770 RM |
1537 | } |
1538 | } | |
1539 | ||
1540 | static void arm_cmn_event_stop(struct perf_event *event, int flags) | |
1541 | { | |
1542 | struct arm_cmn *cmn = to_cmn(event->pmu); | |
1543 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
1544 | struct arm_cmn_node *dn; | |
1545 | enum cmn_node_type type = CMN_EVENT_TYPE(event); | |
1546 | int i; | |
1547 | ||
1548 | if (type == CMN_TYPE_DTC) { | |
7633ec2c | 1549 | i = hw->dtc_idx[0]; |
0ba64770 RM |
1550 | cmn->dtc[i].cc_active = false; |
1551 | } else if (type == CMN_TYPE_WP) { | |
1552 | int wp_idx = arm_cmn_wp_idx(event); | |
1553 | ||
1554 | for_each_hw_dn(hw, dn, i) { | |
60d15040 RM |
1555 | void __iomem *base = dn->pmu_base + CMN_DTM_OFFSET(hw->dtm_offset); |
1556 | ||
1557 | writeq_relaxed(0, base + CMN_DTM_WPn_MASK(wp_idx)); | |
1558 | writeq_relaxed(~0ULL, base + CMN_DTM_WPn_VAL(wp_idx)); | |
0ba64770 RM |
1559 | } |
1560 | } else for_each_hw_dn(hw, dn, i) { | |
1561 | int dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); | |
1562 | ||
23760a01 | 1563 | arm_cmn_set_event_sel_lo(dn, dtm_idx, 0, hw->wide_sel); |
0ba64770 RM |
1564 | } |
1565 | ||
1566 | arm_cmn_event_read(event); | |
1567 | } | |
1568 | ||
1569 | struct arm_cmn_val { | |
0947c80a | 1570 | u8 dtm_count[CMN_MAX_DTMS]; |
65adf713 | 1571 | u8 occupid[CMN_MAX_DTMS][SEL_MAX]; |
0947c80a | 1572 | u8 wp[CMN_MAX_DTMS][4]; |
ab33c66f | 1573 | int dtc_count[CMN_MAX_DTCS]; |
0ba64770 RM |
1574 | bool cycles; |
1575 | }; | |
1576 | ||
60d15040 RM |
1577 | static void arm_cmn_val_add_event(struct arm_cmn *cmn, struct arm_cmn_val *val, |
1578 | struct perf_event *event) | |
0ba64770 RM |
1579 | { |
1580 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
1581 | struct arm_cmn_node *dn; | |
1582 | enum cmn_node_type type; | |
1583 | int i; | |
0ba64770 RM |
1584 | |
1585 | if (is_software_event(event)) | |
1586 | return; | |
1587 | ||
1588 | type = CMN_EVENT_TYPE(event); | |
1589 | if (type == CMN_TYPE_DTC) { | |
1590 | val->cycles = true; | |
1591 | return; | |
1592 | } | |
1593 | ||
ab33c66f RM |
1594 | for_each_hw_dtc_idx(hw, dtc, idx) |
1595 | val->dtc_count[dtc]++; | |
0ba64770 RM |
1596 | |
1597 | for_each_hw_dn(hw, dn, i) { | |
65adf713 | 1598 | int wp_idx, dtm = dn->dtm, sel = hw->filter_sel; |
0ba64770 | 1599 | |
0947c80a | 1600 | val->dtm_count[dtm]++; |
65adf713 RM |
1601 | |
1602 | if (sel > SEL_NONE) | |
1603 | val->occupid[dtm][sel] = CMN_EVENT_OCCUPID(event) + 1; | |
0ba64770 RM |
1604 | |
1605 | if (type != CMN_TYPE_WP) | |
1606 | continue; | |
1607 | ||
1608 | wp_idx = arm_cmn_wp_idx(event); | |
0947c80a | 1609 | val->wp[dtm][wp_idx] = CMN_EVENT_WP_COMBINE(event) + 1; |
0ba64770 RM |
1610 | } |
1611 | } | |
1612 | ||
60d15040 | 1613 | static int arm_cmn_validate_group(struct arm_cmn *cmn, struct perf_event *event) |
0ba64770 RM |
1614 | { |
1615 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
1616 | struct arm_cmn_node *dn; | |
1617 | struct perf_event *sibling, *leader = event->group_leader; | |
1618 | enum cmn_node_type type; | |
558a0780 RM |
1619 | struct arm_cmn_val *val; |
1620 | int i, ret = -EINVAL; | |
0ba64770 RM |
1621 | |
1622 | if (leader == event) | |
1623 | return 0; | |
1624 | ||
1625 | if (event->pmu != leader->pmu && !is_software_event(leader)) | |
1626 | return -EINVAL; | |
1627 | ||
558a0780 RM |
1628 | val = kzalloc(sizeof(*val), GFP_KERNEL); |
1629 | if (!val) | |
1630 | return -ENOMEM; | |
0ba64770 | 1631 | |
60d15040 | 1632 | arm_cmn_val_add_event(cmn, val, leader); |
0ba64770 | 1633 | for_each_sibling_event(sibling, leader) |
60d15040 | 1634 | arm_cmn_val_add_event(cmn, val, sibling); |
0ba64770 RM |
1635 | |
1636 | type = CMN_EVENT_TYPE(event); | |
558a0780 RM |
1637 | if (type == CMN_TYPE_DTC) { |
1638 | ret = val->cycles ? -EINVAL : 0; | |
1639 | goto done; | |
1640 | } | |
0ba64770 | 1641 | |
ab33c66f RM |
1642 | for (i = 0; i < CMN_MAX_DTCS; i++) |
1643 | if (val->dtc_count[i] == CMN_DT_NUM_COUNTERS) | |
1644 | goto done; | |
0ba64770 | 1645 | |
0ba64770 | 1646 | for_each_hw_dn(hw, dn, i) { |
65adf713 | 1647 | int wp_idx, wp_cmb, dtm = dn->dtm, sel = hw->filter_sel; |
0ba64770 | 1648 | |
558a0780 RM |
1649 | if (val->dtm_count[dtm] == CMN_DTM_NUM_COUNTERS) |
1650 | goto done; | |
0ba64770 | 1651 | |
65adf713 RM |
1652 | if (sel > SEL_NONE && val->occupid[dtm][sel] && |
1653 | val->occupid[dtm][sel] != CMN_EVENT_OCCUPID(event) + 1) | |
558a0780 | 1654 | goto done; |
0ba64770 RM |
1655 | |
1656 | if (type != CMN_TYPE_WP) | |
1657 | continue; | |
1658 | ||
1659 | wp_idx = arm_cmn_wp_idx(event); | |
558a0780 RM |
1660 | if (val->wp[dtm][wp_idx]) |
1661 | goto done; | |
0ba64770 | 1662 | |
558a0780 | 1663 | wp_cmb = val->wp[dtm][wp_idx ^ 1]; |
0ba64770 | 1664 | if (wp_cmb && wp_cmb != CMN_EVENT_WP_COMBINE(event) + 1) |
558a0780 | 1665 | goto done; |
0ba64770 RM |
1666 | } |
1667 | ||
558a0780 RM |
1668 | ret = 0; |
1669 | done: | |
1670 | kfree(val); | |
1671 | return ret; | |
0ba64770 RM |
1672 | } |
1673 | ||
7819e05a | 1674 | static enum cmn_filter_select arm_cmn_filter_sel(const struct arm_cmn *cmn, |
65adf713 RM |
1675 | enum cmn_node_type type, |
1676 | unsigned int eventid) | |
1677 | { | |
1678 | struct arm_cmn_event_attr *e; | |
7819e05a | 1679 | enum cmn_model model = arm_cmn_model(cmn); |
65adf713 | 1680 | |
7819e05a | 1681 | for (int i = 0; i < ARRAY_SIZE(arm_cmn_event_attrs) - 1; i++) { |
65adf713 RM |
1682 | e = container_of(arm_cmn_event_attrs[i], typeof(*e), attr.attr); |
1683 | if (e->model & model && e->type == type && e->eventid == eventid) | |
1684 | return e->fsel; | |
1685 | } | |
1686 | return SEL_NONE; | |
1687 | } | |
1688 | ||
1689 | ||
0ba64770 RM |
1690 | static int arm_cmn_event_init(struct perf_event *event) |
1691 | { | |
1692 | struct arm_cmn *cmn = to_cmn(event->pmu); | |
1693 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
da5f7d2c | 1694 | struct arm_cmn_node *dn; |
0ba64770 | 1695 | enum cmn_node_type type; |
0ba64770 RM |
1696 | bool bynodeid; |
1697 | u16 nodeid, eventid; | |
1698 | ||
1699 | if (event->attr.type != event->pmu->type) | |
1700 | return -ENOENT; | |
1701 | ||
1702 | if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK) | |
1703 | return -EINVAL; | |
1704 | ||
1705 | event->cpu = cmn->cpu; | |
1706 | if (event->cpu < 0) | |
1707 | return -EINVAL; | |
1708 | ||
1709 | type = CMN_EVENT_TYPE(event); | |
1710 | /* DTC events (i.e. cycles) already have everything they need */ | |
1711 | if (type == CMN_TYPE_DTC) | |
23b2fd83 | 1712 | return arm_cmn_validate_group(cmn, event); |
0ba64770 | 1713 | |
65adf713 | 1714 | eventid = CMN_EVENT_EVENTID(event); |
0ba64770 RM |
1715 | /* For watchpoints we need the actual XP node here */ |
1716 | if (type == CMN_TYPE_WP) { | |
1717 | type = CMN_TYPE_XP; | |
1718 | /* ...and we need a "real" direction */ | |
0ba64770 RM |
1719 | if (eventid != CMN_WP_UP && eventid != CMN_WP_DOWN) |
1720 | return -EINVAL; | |
60d15040 RM |
1721 | /* ...but the DTM may depend on which port we're watching */ |
1722 | if (cmn->multi_dtm) | |
1723 | hw->dtm_offset = CMN_EVENT_WP_DEV_SEL(event) / 2; | |
7819e05a | 1724 | } else if (type == CMN_TYPE_XP && cmn->part == PART_CMN700) { |
23760a01 | 1725 | hw->wide_sel = true; |
0ba64770 RM |
1726 | } |
1727 | ||
65adf713 | 1728 | /* This is sufficiently annoying to recalculate, so cache it */ |
7819e05a | 1729 | hw->filter_sel = arm_cmn_filter_sel(cmn, type, eventid); |
65adf713 | 1730 | |
0ba64770 RM |
1731 | bynodeid = CMN_EVENT_BYNODEID(event); |
1732 | nodeid = CMN_EVENT_NODEID(event); | |
1733 | ||
1734 | hw->dn = arm_cmn_node(cmn, type); | |
da5f7d2c RM |
1735 | if (!hw->dn) |
1736 | return -EINVAL; | |
7633ec2c RM |
1737 | |
1738 | memset(hw->dtc_idx, -1, sizeof(hw->dtc_idx)); | |
da5f7d2c | 1739 | for (dn = hw->dn; dn->type == type; dn++) { |
4f2c3872 | 1740 | if (bynodeid && dn->id != nodeid) { |
0ba64770 | 1741 | hw->dn++; |
4f2c3872 | 1742 | continue; |
0ba64770 | 1743 | } |
4f2c3872 | 1744 | hw->num_dns++; |
7633ec2c RM |
1745 | if (dn->dtc < 0) |
1746 | memset(hw->dtc_idx, 0, cmn->num_dtcs); | |
1747 | else | |
1748 | hw->dtc_idx[dn->dtc] = 0; | |
1749 | ||
4f2c3872 RM |
1750 | if (bynodeid) |
1751 | break; | |
0ba64770 RM |
1752 | } |
1753 | ||
1754 | if (!hw->num_dns) { | |
5f167eab | 1755 | struct arm_cmn_nodeid nid = arm_cmn_nid(cmn, nodeid); |
0ba64770 RM |
1756 | |
1757 | dev_dbg(cmn->dev, "invalid node 0x%x (%d,%d,%d,%d) type 0x%x\n", | |
5f167eab | 1758 | nodeid, nid.x, nid.y, nid.port, nid.dev, type); |
0ba64770 RM |
1759 | return -EINVAL; |
1760 | } | |
0ba64770 | 1761 | |
60d15040 | 1762 | return arm_cmn_validate_group(cmn, event); |
0ba64770 RM |
1763 | } |
1764 | ||
1765 | static void arm_cmn_event_clear(struct arm_cmn *cmn, struct perf_event *event, | |
1766 | int i) | |
1767 | { | |
1768 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
1769 | enum cmn_node_type type = CMN_EVENT_TYPE(event); | |
1770 | ||
1771 | while (i--) { | |
60d15040 | 1772 | struct arm_cmn_dtm *dtm = &cmn->dtms[hw->dn[i].dtm] + hw->dtm_offset; |
0ba64770 RM |
1773 | unsigned int dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); |
1774 | ||
1775 | if (type == CMN_TYPE_WP) | |
0947c80a | 1776 | dtm->wp_event[arm_cmn_wp_idx(event)] = -1; |
0ba64770 | 1777 | |
65adf713 RM |
1778 | if (hw->filter_sel > SEL_NONE) |
1779 | hw->dn[i].occupid[hw->filter_sel].count--; | |
0ba64770 | 1780 | |
0947c80a RM |
1781 | dtm->pmu_config_low &= ~CMN__PMEVCNT_PAIRED(dtm_idx); |
1782 | writel_relaxed(dtm->pmu_config_low, dtm->base + CMN_DTM_PMU_CONFIG); | |
0ba64770 RM |
1783 | } |
1784 | memset(hw->dtm_idx, 0, sizeof(hw->dtm_idx)); | |
1785 | ||
7633ec2c RM |
1786 | for_each_hw_dtc_idx(hw, j, idx) |
1787 | cmn->dtc[j].counters[idx] = NULL; | |
0ba64770 RM |
1788 | } |
1789 | ||
1790 | static int arm_cmn_event_add(struct perf_event *event, int flags) | |
1791 | { | |
1792 | struct arm_cmn *cmn = to_cmn(event->pmu); | |
1793 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
0ba64770 RM |
1794 | struct arm_cmn_node *dn; |
1795 | enum cmn_node_type type = CMN_EVENT_TYPE(event); | |
7633ec2c | 1796 | unsigned int input_sel, i = 0; |
0ba64770 RM |
1797 | |
1798 | if (type == CMN_TYPE_DTC) { | |
0ba64770 RM |
1799 | while (cmn->dtc[i].cycles) |
1800 | if (++i == cmn->num_dtcs) | |
1801 | return -ENOSPC; | |
1802 | ||
1803 | cmn->dtc[i].cycles = event; | |
7633ec2c | 1804 | hw->dtc_idx[0] = i; |
0ba64770 RM |
1805 | |
1806 | if (flags & PERF_EF_START) | |
1807 | arm_cmn_event_start(event, 0); | |
1808 | return 0; | |
1809 | } | |
1810 | ||
ab33c66f | 1811 | /* Grab the global counters first... */ |
7633ec2c | 1812 | for_each_hw_dtc_idx(hw, j, idx) { |
ab33c66f | 1813 | if (cmn->part == PART_CMN600 && j > 0) { |
7633ec2c RM |
1814 | idx = hw->dtc_idx[0]; |
1815 | } else { | |
1816 | idx = 0; | |
1817 | while (cmn->dtc[j].counters[idx]) | |
1818 | if (++idx == CMN_DT_NUM_COUNTERS) | |
1892fe10 | 1819 | return -ENOSPC; |
7633ec2c RM |
1820 | } |
1821 | hw->dtc_idx[j] = idx; | |
1822 | } | |
0ba64770 | 1823 | |
ab33c66f | 1824 | /* ...then the local counters to feed them */ |
0ba64770 | 1825 | for_each_hw_dn(hw, dn, i) { |
60d15040 | 1826 | struct arm_cmn_dtm *dtm = &cmn->dtms[dn->dtm] + hw->dtm_offset; |
ab33c66f | 1827 | unsigned int dtm_idx, shift, d = max_t(int, dn->dtc, 0); |
0ba64770 RM |
1828 | u64 reg; |
1829 | ||
1830 | dtm_idx = 0; | |
0947c80a | 1831 | while (dtm->pmu_config_low & CMN__PMEVCNT_PAIRED(dtm_idx)) |
0ba64770 RM |
1832 | if (++dtm_idx == CMN_DTM_NUM_COUNTERS) |
1833 | goto free_dtms; | |
1834 | ||
1835 | if (type == CMN_TYPE_XP) { | |
1836 | input_sel = CMN__PMEVCNT0_INPUT_SEL_XP + dtm_idx; | |
1837 | } else if (type == CMN_TYPE_WP) { | |
1838 | int tmp, wp_idx = arm_cmn_wp_idx(event); | |
1839 | u32 cfg = arm_cmn_wp_config(event); | |
1840 | ||
0947c80a | 1841 | if (dtm->wp_event[wp_idx] >= 0) |
0ba64770 RM |
1842 | goto free_dtms; |
1843 | ||
0947c80a | 1844 | tmp = dtm->wp_event[wp_idx ^ 1]; |
0ba64770 | 1845 | if (tmp >= 0 && CMN_EVENT_WP_COMBINE(event) != |
7633ec2c | 1846 | CMN_EVENT_WP_COMBINE(cmn->dtc[d].counters[tmp])) |
0ba64770 RM |
1847 | goto free_dtms; |
1848 | ||
1849 | input_sel = CMN__PMEVCNT0_INPUT_SEL_WP + wp_idx; | |
7633ec2c | 1850 | dtm->wp_event[wp_idx] = hw->dtc_idx[d]; |
0947c80a | 1851 | writel_relaxed(cfg, dtm->base + CMN_DTM_WPn_CONFIG(wp_idx)); |
0ba64770 | 1852 | } else { |
5f167eab | 1853 | struct arm_cmn_nodeid nid = arm_cmn_nid(cmn, dn->id); |
0ba64770 | 1854 | |
60d15040 RM |
1855 | if (cmn->multi_dtm) |
1856 | nid.port %= 2; | |
1857 | ||
0ba64770 | 1858 | input_sel = CMN__PMEVCNT0_INPUT_SEL_DEV + dtm_idx + |
5f167eab | 1859 | (nid.port << 4) + (nid.dev << 2); |
0ba64770 | 1860 | |
65adf713 RM |
1861 | if (arm_cmn_set_event_sel_hi(dn, hw->filter_sel, CMN_EVENT_OCCUPID(event))) |
1862 | goto free_dtms; | |
0ba64770 RM |
1863 | } |
1864 | ||
1865 | arm_cmn_set_index(hw->dtm_idx, i, dtm_idx); | |
1866 | ||
0947c80a | 1867 | dtm->input_sel[dtm_idx] = input_sel; |
0ba64770 | 1868 | shift = CMN__PMEVCNTn_GLOBAL_NUM_SHIFT(dtm_idx); |
0947c80a | 1869 | dtm->pmu_config_low &= ~(CMN__PMEVCNT0_GLOBAL_NUM << shift); |
7633ec2c | 1870 | dtm->pmu_config_low |= FIELD_PREP(CMN__PMEVCNT0_GLOBAL_NUM, hw->dtc_idx[d]) << shift; |
0947c80a RM |
1871 | dtm->pmu_config_low |= CMN__PMEVCNT_PAIRED(dtm_idx); |
1872 | reg = (u64)le32_to_cpu(dtm->pmu_config_high) << 32 | dtm->pmu_config_low; | |
1873 | writeq_relaxed(reg, dtm->base + CMN_DTM_PMU_CONFIG); | |
0ba64770 RM |
1874 | } |
1875 | ||
1876 | /* Go go go! */ | |
1877 | arm_cmn_init_counter(event); | |
1878 | ||
1879 | if (flags & PERF_EF_START) | |
1880 | arm_cmn_event_start(event, 0); | |
1881 | ||
1882 | return 0; | |
1883 | ||
1884 | free_dtms: | |
1885 | arm_cmn_event_clear(cmn, event, i); | |
1886 | return -ENOSPC; | |
1887 | } | |
1888 | ||
1889 | static void arm_cmn_event_del(struct perf_event *event, int flags) | |
1890 | { | |
1891 | struct arm_cmn *cmn = to_cmn(event->pmu); | |
1892 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); | |
1893 | enum cmn_node_type type = CMN_EVENT_TYPE(event); | |
1894 | ||
1895 | arm_cmn_event_stop(event, PERF_EF_UPDATE); | |
1896 | ||
1897 | if (type == CMN_TYPE_DTC) | |
7633ec2c | 1898 | cmn->dtc[hw->dtc_idx[0]].cycles = NULL; |
0ba64770 RM |
1899 | else |
1900 | arm_cmn_event_clear(cmn, event, hw->num_dns); | |
1901 | } | |
1902 | ||
1903 | /* | |
1904 | * We stop the PMU for both add and read, to avoid skew across DTM counters. | |
1905 | * In theory we could use snapshots to read without stopping, but then it | |
1906 | * becomes a lot trickier to deal with overlow and racing against interrupts, | |
1907 | * plus it seems they don't work properly on some hardware anyway :( | |
1908 | */ | |
1909 | static void arm_cmn_start_txn(struct pmu *pmu, unsigned int flags) | |
1910 | { | |
1911 | arm_cmn_set_state(to_cmn(pmu), CMN_STATE_TXN); | |
1912 | } | |
1913 | ||
1914 | static void arm_cmn_end_txn(struct pmu *pmu) | |
1915 | { | |
1916 | arm_cmn_clear_state(to_cmn(pmu), CMN_STATE_TXN); | |
1917 | } | |
1918 | ||
1919 | static int arm_cmn_commit_txn(struct pmu *pmu) | |
1920 | { | |
1921 | arm_cmn_end_txn(pmu); | |
1922 | return 0; | |
1923 | } | |
1924 | ||
6190741c RM |
1925 | static void arm_cmn_migrate(struct arm_cmn *cmn, unsigned int cpu) |
1926 | { | |
1927 | unsigned int i; | |
1928 | ||
1929 | perf_pmu_migrate_context(&cmn->pmu, cmn->cpu, cpu); | |
1930 | for (i = 0; i < cmn->num_dtcs; i++) | |
1931 | irq_set_affinity(cmn->dtc[i].irq, cpumask_of(cpu)); | |
1932 | cmn->cpu = cpu; | |
1933 | } | |
1934 | ||
1935 | static int arm_cmn_pmu_online_cpu(unsigned int cpu, struct hlist_node *cpuhp_node) | |
0ba64770 RM |
1936 | { |
1937 | struct arm_cmn *cmn; | |
6190741c | 1938 | int node; |
0ba64770 | 1939 | |
6190741c RM |
1940 | cmn = hlist_entry_safe(cpuhp_node, struct arm_cmn, cpuhp_node); |
1941 | node = dev_to_node(cmn->dev); | |
1942 | if (node != NUMA_NO_NODE && cpu_to_node(cmn->cpu) != node && cpu_to_node(cpu) == node) | |
1943 | arm_cmn_migrate(cmn, cpu); | |
1944 | return 0; | |
1945 | } | |
1946 | ||
1947 | static int arm_cmn_pmu_offline_cpu(unsigned int cpu, struct hlist_node *cpuhp_node) | |
1948 | { | |
1949 | struct arm_cmn *cmn; | |
1950 | unsigned int target; | |
1951 | int node; | |
1952 | cpumask_t mask; | |
0ba64770 | 1953 | |
6190741c RM |
1954 | cmn = hlist_entry_safe(cpuhp_node, struct arm_cmn, cpuhp_node); |
1955 | if (cpu != cmn->cpu) | |
0ba64770 RM |
1956 | return 0; |
1957 | ||
6190741c RM |
1958 | node = dev_to_node(cmn->dev); |
1959 | if (cpumask_and(&mask, cpumask_of_node(node), cpu_online_mask) && | |
1960 | cpumask_andnot(&mask, &mask, cpumask_of(cpu))) | |
1961 | target = cpumask_any(&mask); | |
1962 | else | |
1963 | target = cpumask_any_but(cpu_online_mask, cpu); | |
1964 | if (target < nr_cpu_ids) | |
1965 | arm_cmn_migrate(cmn, target); | |
0ba64770 RM |
1966 | return 0; |
1967 | } | |
1968 | ||
1969 | static irqreturn_t arm_cmn_handle_irq(int irq, void *dev_id) | |
1970 | { | |
1971 | struct arm_cmn_dtc *dtc = dev_id; | |
1972 | irqreturn_t ret = IRQ_NONE; | |
1973 | ||
1974 | for (;;) { | |
1975 | u32 status = readl_relaxed(dtc->base + CMN_DT_PMOVSR); | |
1976 | u64 delta; | |
1977 | int i; | |
1978 | ||
7f949f6f | 1979 | for (i = 0; i < CMN_DT_NUM_COUNTERS; i++) { |
0ba64770 RM |
1980 | if (status & (1U << i)) { |
1981 | ret = IRQ_HANDLED; | |
1982 | if (WARN_ON(!dtc->counters[i])) | |
1983 | continue; | |
1984 | delta = (u64)arm_cmn_read_counter(dtc, i) << 16; | |
1985 | local64_add(delta, &dtc->counters[i]->count); | |
1986 | } | |
1987 | } | |
1988 | ||
1989 | if (status & (1U << CMN_DT_NUM_COUNTERS)) { | |
1990 | ret = IRQ_HANDLED; | |
1991 | if (dtc->cc_active && !WARN_ON(!dtc->cycles)) { | |
1992 | delta = arm_cmn_read_cc(dtc); | |
1993 | local64_add(delta, &dtc->cycles->count); | |
1994 | } | |
1995 | } | |
1996 | ||
1997 | writel_relaxed(status, dtc->base + CMN_DT_PMOVSR_CLR); | |
1998 | ||
1999 | if (!dtc->irq_friend) | |
2000 | return ret; | |
2001 | dtc += dtc->irq_friend; | |
2002 | } | |
2003 | } | |
2004 | ||
2005 | /* We can reasonably accommodate DTCs of the same CMN sharing IRQs */ | |
2006 | static int arm_cmn_init_irqs(struct arm_cmn *cmn) | |
2007 | { | |
2008 | int i, j, irq, err; | |
2009 | ||
2010 | for (i = 0; i < cmn->num_dtcs; i++) { | |
2011 | irq = cmn->dtc[i].irq; | |
2012 | for (j = i; j--; ) { | |
2013 | if (cmn->dtc[j].irq == irq) { | |
4e16f283 | 2014 | cmn->dtc[j].irq_friend = i - j; |
0ba64770 RM |
2015 | goto next; |
2016 | } | |
2017 | } | |
2018 | err = devm_request_irq(cmn->dev, irq, arm_cmn_handle_irq, | |
2019 | IRQF_NOBALANCING | IRQF_NO_THREAD, | |
2020 | dev_name(cmn->dev), &cmn->dtc[i]); | |
2021 | if (err) | |
2022 | return err; | |
2023 | ||
8ec25d34 | 2024 | err = irq_set_affinity(irq, cpumask_of(cmn->cpu)); |
0ba64770 RM |
2025 | if (err) |
2026 | return err; | |
2027 | next: | |
2028 | ; /* isn't C great? */ | |
2029 | } | |
2030 | return 0; | |
2031 | } | |
2032 | ||
60d15040 | 2033 | static void arm_cmn_init_dtm(struct arm_cmn_dtm *dtm, struct arm_cmn_node *xp, int idx) |
0ba64770 RM |
2034 | { |
2035 | int i; | |
2036 | ||
60d15040 | 2037 | dtm->base = xp->pmu_base + CMN_DTM_OFFSET(idx); |
0947c80a | 2038 | dtm->pmu_config_low = CMN_DTM_PMU_CONFIG_PMU_EN; |
bb21ef19 | 2039 | writeq_relaxed(dtm->pmu_config_low, dtm->base + CMN_DTM_PMU_CONFIG); |
0ba64770 | 2040 | for (i = 0; i < 4; i++) { |
0947c80a RM |
2041 | dtm->wp_event[i] = -1; |
2042 | writeq_relaxed(0, dtm->base + CMN_DTM_WPn_MASK(i)); | |
2043 | writeq_relaxed(~0ULL, dtm->base + CMN_DTM_WPn_VAL(i)); | |
0ba64770 | 2044 | } |
0ba64770 RM |
2045 | } |
2046 | ||
2047 | static int arm_cmn_init_dtc(struct arm_cmn *cmn, struct arm_cmn_node *dn, int idx) | |
2048 | { | |
2049 | struct arm_cmn_dtc *dtc = cmn->dtc + idx; | |
0ba64770 RM |
2050 | |
2051 | dtc->base = dn->pmu_base - CMN_PMU_OFFSET; | |
2052 | dtc->irq = platform_get_irq(to_platform_device(cmn->dev), idx); | |
2053 | if (dtc->irq < 0) | |
2054 | return dtc->irq; | |
2055 | ||
71746c99 RM |
2056 | writel_relaxed(CMN_DT_DTC_CTL_DT_EN, dtc->base + CMN_DT_DTC_CTL); |
2057 | writel_relaxed(CMN_DT_PMCR_PMU_EN | CMN_DT_PMCR_OVFL_INTR_EN, dtc->base + CMN_DT_PMCR); | |
2058 | writeq_relaxed(0, dtc->base + CMN_DT_PMCCNTR); | |
0ba64770 | 2059 | writel_relaxed(0x1ff, dtc->base + CMN_DT_PMOVSR_CLR); |
0ba64770 | 2060 | |
0ba64770 RM |
2061 | return 0; |
2062 | } | |
2063 | ||
2064 | static int arm_cmn_node_cmp(const void *a, const void *b) | |
2065 | { | |
2066 | const struct arm_cmn_node *dna = a, *dnb = b; | |
2067 | int cmp; | |
2068 | ||
2069 | cmp = dna->type - dnb->type; | |
2070 | if (!cmp) | |
2071 | cmp = dna->logid - dnb->logid; | |
2072 | return cmp; | |
2073 | } | |
2074 | ||
2075 | static int arm_cmn_init_dtcs(struct arm_cmn *cmn) | |
2076 | { | |
0947c80a | 2077 | struct arm_cmn_node *dn, *xp; |
0ba64770 RM |
2078 | int dtc_idx = 0; |
2079 | ||
2080 | cmn->dtc = devm_kcalloc(cmn->dev, cmn->num_dtcs, sizeof(cmn->dtc[0]), GFP_KERNEL); | |
2081 | if (!cmn->dtc) | |
2082 | return -ENOMEM; | |
2083 | ||
2084 | sort(cmn->dns, cmn->num_dns, sizeof(cmn->dns[0]), arm_cmn_node_cmp, NULL); | |
2085 | ||
2086 | cmn->xps = arm_cmn_node(cmn, CMN_TYPE_XP); | |
2087 | ||
7633ec2c RM |
2088 | if (cmn->part == PART_CMN600 && cmn->num_dtcs > 1) { |
2089 | /* We do at least know that a DTC's XP must be in that DTC's domain */ | |
2090 | dn = arm_cmn_node(cmn, CMN_TYPE_DTC); | |
2091 | for (int i = 0; i < cmn->num_dtcs; i++) | |
2092 | arm_cmn_node_to_xp(cmn, dn + i)->dtc = i; | |
2093 | } | |
2094 | ||
da5f7d2c | 2095 | for (dn = cmn->dns; dn->type; dn++) { |
7633ec2c | 2096 | if (dn->type == CMN_TYPE_XP) |
0947c80a | 2097 | continue; |
0ba64770 | 2098 | |
0947c80a | 2099 | xp = arm_cmn_node_to_xp(cmn, dn); |
7633ec2c | 2100 | dn->dtc = xp->dtc; |
0947c80a | 2101 | dn->dtm = xp->dtm; |
60d15040 RM |
2102 | if (cmn->multi_dtm) |
2103 | dn->dtm += arm_cmn_nid(cmn, dn->id).port / 2; | |
0947c80a RM |
2104 | |
2105 | if (dn->type == CMN_TYPE_DTC) { | |
7633ec2c RM |
2106 | int err = arm_cmn_init_dtc(cmn, dn, dtc_idx++); |
2107 | ||
0947c80a RM |
2108 | if (err) |
2109 | return err; | |
2110 | } | |
0ba64770 RM |
2111 | |
2112 | /* To the PMU, RN-Ds don't add anything over RN-Is, so smoosh them together */ | |
2113 | if (dn->type == CMN_TYPE_RND) | |
2114 | dn->type = CMN_TYPE_RNI; | |
23760a01 RM |
2115 | |
2116 | /* We split the RN-I off already, so let the CCLA part match CCLA events */ | |
2117 | if (dn->type == CMN_TYPE_CCLA_RNI) | |
2118 | dn->type = CMN_TYPE_CCLA; | |
0ba64770 RM |
2119 | } |
2120 | ||
71746c99 | 2121 | arm_cmn_set_state(cmn, CMN_STATE_DISABLED); |
0ba64770 RM |
2122 | |
2123 | return 0; | |
2124 | } | |
2125 | ||
e3e73f51 RM |
2126 | static unsigned int arm_cmn_dtc_domain(struct arm_cmn *cmn, void __iomem *xp_region) |
2127 | { | |
2128 | int offset = CMN_DTM_UNIT_INFO; | |
2129 | ||
2130 | if (cmn->part == PART_CMN650 || cmn->part == PART_CI700) | |
2131 | offset = CMN650_DTM_UNIT_INFO; | |
2132 | ||
2133 | return FIELD_GET(CMN_DTM_UNIT_INFO_DTC_DOMAIN, readl_relaxed(xp_region + offset)); | |
2134 | } | |
2135 | ||
0ba64770 RM |
2136 | static void arm_cmn_init_node_info(struct arm_cmn *cmn, u32 offset, struct arm_cmn_node *node) |
2137 | { | |
2138 | int level; | |
2139 | u64 reg = readq_relaxed(cmn->base + offset + CMN_NODE_INFO); | |
2140 | ||
2141 | node->type = FIELD_GET(CMN_NI_NODE_TYPE, reg); | |
2142 | node->id = FIELD_GET(CMN_NI_NODE_ID, reg); | |
2143 | node->logid = FIELD_GET(CMN_NI_LOGICAL_ID, reg); | |
2144 | ||
2145 | node->pmu_base = cmn->base + offset + CMN_PMU_OFFSET; | |
2146 | ||
2147 | if (node->type == CMN_TYPE_CFG) | |
2148 | level = 0; | |
2149 | else if (node->type == CMN_TYPE_XP) | |
2150 | level = 1; | |
2151 | else | |
2152 | level = 2; | |
2153 | ||
887e2cff | 2154 | dev_dbg(cmn->dev, "node%*c%#06hx%*ctype:%-#6x id:%-4hd off:%#x\n", |
0ba64770 RM |
2155 | (level * 2) + 1, ' ', node->id, 5 - (level * 2), ' ', |
2156 | node->type, node->logid, offset); | |
2157 | } | |
2158 | ||
8e504d93 RM |
2159 | static enum cmn_node_type arm_cmn_subtype(enum cmn_node_type type) |
2160 | { | |
2161 | switch (type) { | |
2162 | case CMN_TYPE_HNP: | |
2163 | return CMN_TYPE_HNI; | |
23760a01 RM |
2164 | case CMN_TYPE_CCLA_RNI: |
2165 | return CMN_TYPE_RNI; | |
8e504d93 RM |
2166 | default: |
2167 | return CMN_TYPE_INVALID; | |
2168 | } | |
2169 | } | |
2170 | ||
0ba64770 RM |
2171 | static int arm_cmn_discover(struct arm_cmn *cmn, unsigned int rgn_offset) |
2172 | { | |
2173 | void __iomem *cfg_region; | |
2174 | struct arm_cmn_node cfg, *dn; | |
0947c80a | 2175 | struct arm_cmn_dtm *dtm; |
7819e05a | 2176 | enum cmn_part part; |
0ba64770 RM |
2177 | u16 child_count, child_poff; |
2178 | u32 xp_offset[CMN_MAX_XPS]; | |
2179 | u64 reg; | |
2180 | int i, j; | |
da5f7d2c | 2181 | size_t sz; |
0ba64770 | 2182 | |
0ba64770 RM |
2183 | arm_cmn_init_node_info(cmn, rgn_offset, &cfg); |
2184 | if (cfg.type != CMN_TYPE_CFG) | |
2185 | return -ENODEV; | |
2186 | ||
61ec1d87 | 2187 | cfg_region = cmn->base + rgn_offset; |
7819e05a RM |
2188 | |
2189 | reg = readq_relaxed(cfg_region + CMN_CFGM_PERIPH_ID_01); | |
2190 | part = FIELD_GET(CMN_CFGM_PID0_PART_0, reg); | |
2191 | part |= FIELD_GET(CMN_CFGM_PID1_PART_1, reg) << 8; | |
2192 | if (cmn->part && cmn->part != part) | |
2193 | dev_warn(cmn->dev, | |
2194 | "Firmware binding mismatch: expected part number 0x%x, found 0x%x\n", | |
2195 | cmn->part, part); | |
2196 | cmn->part = part; | |
2197 | if (!arm_cmn_model(cmn)) | |
2198 | dev_warn(cmn->dev, "Unknown part number: 0x%x\n", part); | |
2199 | ||
2200 | reg = readl_relaxed(cfg_region + CMN_CFGM_PERIPH_ID_23); | |
61ec1d87 RM |
2201 | cmn->rev = FIELD_GET(CMN_CFGM_PID2_REVISION, reg); |
2202 | ||
60d15040 RM |
2203 | reg = readq_relaxed(cfg_region + CMN_CFGM_INFO_GLOBAL); |
2204 | cmn->multi_dtm = reg & CMN_INFO_MULTIPLE_DTM_EN; | |
2205 | cmn->rsp_vc_num = FIELD_GET(CMN_INFO_RSP_VC_NUM, reg); | |
2206 | cmn->dat_vc_num = FIELD_GET(CMN_INFO_DAT_VC_NUM, reg); | |
2207 | ||
23760a01 RM |
2208 | reg = readq_relaxed(cfg_region + CMN_CFGM_INFO_GLOBAL_1); |
2209 | cmn->snp_vc_num = FIELD_GET(CMN_INFO_SNP_VC_NUM, reg); | |
2210 | cmn->req_vc_num = FIELD_GET(CMN_INFO_REQ_VC_NUM, reg); | |
2211 | ||
0ba64770 RM |
2212 | reg = readq_relaxed(cfg_region + CMN_CHILD_INFO); |
2213 | child_count = FIELD_GET(CMN_CI_CHILD_COUNT, reg); | |
2214 | child_poff = FIELD_GET(CMN_CI_CHILD_PTR_OFFSET, reg); | |
2215 | ||
2216 | cmn->num_xps = child_count; | |
2217 | cmn->num_dns = cmn->num_xps; | |
2218 | ||
2219 | /* Pass 1: visit the XPs, enumerate their children */ | |
2220 | for (i = 0; i < cmn->num_xps; i++) { | |
2221 | reg = readq_relaxed(cfg_region + child_poff + i * 8); | |
2222 | xp_offset[i] = reg & CMN_CHILD_NODE_ADDR; | |
2223 | ||
2224 | reg = readq_relaxed(cmn->base + xp_offset[i] + CMN_CHILD_INFO); | |
2225 | cmn->num_dns += FIELD_GET(CMN_CI_CHILD_COUNT, reg); | |
2226 | } | |
2227 | ||
8e504d93 RM |
2228 | /* |
2229 | * Some nodes effectively have two separate types, which we'll handle | |
2230 | * by creating one of each internally. For a (very) safe initial upper | |
2231 | * bound, account for double the number of non-XP nodes. | |
2232 | */ | |
2233 | dn = devm_kcalloc(cmn->dev, cmn->num_dns * 2 - cmn->num_xps, | |
2234 | sizeof(*dn), GFP_KERNEL); | |
da5f7d2c | 2235 | if (!dn) |
0ba64770 RM |
2236 | return -ENOMEM; |
2237 | ||
60d15040 RM |
2238 | /* Initial safe upper bound on DTMs for any possible mesh layout */ |
2239 | i = cmn->num_xps; | |
2240 | if (cmn->multi_dtm) | |
2241 | i += cmn->num_xps + 1; | |
2242 | dtm = devm_kcalloc(cmn->dev, i, sizeof(*dtm), GFP_KERNEL); | |
0947c80a RM |
2243 | if (!dtm) |
2244 | return -ENOMEM; | |
2245 | ||
0ba64770 | 2246 | /* Pass 2: now we can actually populate the nodes */ |
da5f7d2c | 2247 | cmn->dns = dn; |
0947c80a | 2248 | cmn->dtms = dtm; |
0ba64770 RM |
2249 | for (i = 0; i < cmn->num_xps; i++) { |
2250 | void __iomem *xp_region = cmn->base + xp_offset[i]; | |
2251 | struct arm_cmn_node *xp = dn++; | |
60d15040 | 2252 | unsigned int xp_ports = 0; |
0ba64770 RM |
2253 | |
2254 | arm_cmn_init_node_info(cmn, xp_offset[i], xp); | |
0ba64770 RM |
2255 | /* |
2256 | * Thanks to the order in which XP logical IDs seem to be | |
2257 | * assigned, we can handily infer the mesh X dimension by | |
2258 | * looking out for the XP at (0,1) without needing to know | |
2259 | * the exact node ID format, which we can later derive. | |
2260 | */ | |
2261 | if (xp->id == (1 << 3)) | |
2262 | cmn->mesh_x = xp->logid; | |
2263 | ||
7819e05a | 2264 | if (cmn->part == PART_CMN600) |
7633ec2c | 2265 | xp->dtc = -1; |
60d15040 | 2266 | else |
7633ec2c | 2267 | xp->dtc = arm_cmn_dtc_domain(cmn, xp_region); |
60d15040 | 2268 | |
0947c80a | 2269 | xp->dtm = dtm - cmn->dtms; |
60d15040 RM |
2270 | arm_cmn_init_dtm(dtm++, xp, 0); |
2271 | /* | |
2272 | * Keeping track of connected ports will let us filter out | |
2273 | * unnecessary XP events easily. We can also reliably infer the | |
2274 | * "extra device ports" configuration for the node ID format | |
2275 | * from this, since in that case we will see at least one XP | |
2276 | * with port 2 connected, for the HN-D. | |
2277 | */ | |
2ad91e44 RM |
2278 | for (int p = 0; p < CMN_MAX_PORTS; p++) |
2279 | if (arm_cmn_device_connect_info(cmn, xp, p)) | |
2280 | xp_ports |= BIT(p); | |
60d15040 RM |
2281 | |
2282 | if (cmn->multi_dtm && (xp_ports & 0xc)) | |
2283 | arm_cmn_init_dtm(dtm++, xp, 1); | |
2284 | if (cmn->multi_dtm && (xp_ports & 0x30)) | |
2285 | arm_cmn_init_dtm(dtm++, xp, 2); | |
2286 | ||
2287 | cmn->ports_used |= xp_ports; | |
0947c80a | 2288 | |
0ba64770 RM |
2289 | reg = readq_relaxed(xp_region + CMN_CHILD_INFO); |
2290 | child_count = FIELD_GET(CMN_CI_CHILD_COUNT, reg); | |
2291 | child_poff = FIELD_GET(CMN_CI_CHILD_PTR_OFFSET, reg); | |
2292 | ||
2293 | for (j = 0; j < child_count; j++) { | |
2294 | reg = readq_relaxed(xp_region + child_poff + j * 8); | |
2295 | /* | |
2296 | * Don't even try to touch anything external, since in general | |
2297 | * we haven't a clue how to power up arbitrary CHI requesters. | |
2298 | * As of CMN-600r1 these could only be RN-SAMs or CXLAs, | |
2299 | * neither of which have any PMU events anyway. | |
2300 | * (Actually, CXLAs do seem to have grown some events in r1p2, | |
2301 | * but they don't go to regular XP DTMs, and they depend on | |
2302 | * secure configuration which we can't easily deal with) | |
2303 | */ | |
2304 | if (reg & CMN_CHILD_NODE_EXTERNAL) { | |
2305 | dev_dbg(cmn->dev, "ignoring external node %llx\n", reg); | |
2306 | continue; | |
2307 | } | |
50572064 IK |
2308 | /* |
2309 | * AmpereOneX erratum AC04_MESH_1 makes some XPs report a bogus | |
2310 | * child count larger than the number of valid child pointers. | |
2311 | * A child offset of 0 can only occur on CMN-600; otherwise it | |
2312 | * would imply the root node being its own grandchild, which | |
2313 | * we can safely dismiss in general. | |
2314 | */ | |
2315 | if (reg == 0 && cmn->part != PART_CMN600) { | |
2316 | dev_dbg(cmn->dev, "bogus child pointer?\n"); | |
2317 | continue; | |
2318 | } | |
0ba64770 RM |
2319 | |
2320 | arm_cmn_init_node_info(cmn, reg & CMN_CHILD_NODE_ADDR, dn); | |
2321 | ||
2322 | switch (dn->type) { | |
2323 | case CMN_TYPE_DTC: | |
2324 | cmn->num_dtcs++; | |
2325 | dn++; | |
2326 | break; | |
2327 | /* These guys have PMU events */ | |
2328 | case CMN_TYPE_DVM: | |
2329 | case CMN_TYPE_HNI: | |
2330 | case CMN_TYPE_HNF: | |
2331 | case CMN_TYPE_SBSX: | |
2332 | case CMN_TYPE_RNI: | |
2333 | case CMN_TYPE_RND: | |
60d15040 | 2334 | case CMN_TYPE_MTSX: |
0ba64770 RM |
2335 | case CMN_TYPE_CXRA: |
2336 | case CMN_TYPE_CXHA: | |
23760a01 RM |
2337 | case CMN_TYPE_CCRA: |
2338 | case CMN_TYPE_CCHA: | |
2339 | case CMN_TYPE_CCLA: | |
ac18ea1a | 2340 | case CMN_TYPE_HNS: |
0ba64770 RM |
2341 | dn++; |
2342 | break; | |
2343 | /* Nothing to see here */ | |
60d15040 RM |
2344 | case CMN_TYPE_MPAM_S: |
2345 | case CMN_TYPE_MPAM_NS: | |
0ba64770 RM |
2346 | case CMN_TYPE_RNSAM: |
2347 | case CMN_TYPE_CXLA: | |
ac18ea1a RM |
2348 | case CMN_TYPE_HNS_MPAM_S: |
2349 | case CMN_TYPE_HNS_MPAM_NS: | |
0ba64770 | 2350 | break; |
8e504d93 RM |
2351 | /* |
2352 | * Split "optimised" combination nodes into separate | |
2353 | * types for the different event sets. Offsetting the | |
2354 | * base address lets us handle the second pmu_event_sel | |
2355 | * register via the normal mechanism later. | |
2356 | */ | |
2357 | case CMN_TYPE_HNP: | |
23760a01 | 2358 | case CMN_TYPE_CCLA_RNI: |
8e504d93 RM |
2359 | dn[1] = dn[0]; |
2360 | dn[0].pmu_base += CMN_HNP_PMU_EVENT_SEL; | |
2361 | dn[1].type = arm_cmn_subtype(dn->type); | |
2362 | dn += 2; | |
2363 | break; | |
0ba64770 RM |
2364 | /* Something has gone horribly wrong */ |
2365 | default: | |
887e2cff | 2366 | dev_err(cmn->dev, "invalid device node type: 0x%x\n", dn->type); |
0ba64770 RM |
2367 | return -ENODEV; |
2368 | } | |
2369 | } | |
2370 | } | |
2371 | ||
8e504d93 | 2372 | /* Correct for any nodes we added or skipped */ |
0ba64770 RM |
2373 | cmn->num_dns = dn - cmn->dns; |
2374 | ||
8e504d93 | 2375 | /* Cheeky +1 to help terminate pointer-based iteration later */ |
da5f7d2c RM |
2376 | sz = (void *)(dn + 1) - (void *)cmn->dns; |
2377 | dn = devm_krealloc(cmn->dev, cmn->dns, sz, GFP_KERNEL); | |
2378 | if (dn) | |
2379 | cmn->dns = dn; | |
2380 | ||
60d15040 RM |
2381 | sz = (void *)dtm - (void *)cmn->dtms; |
2382 | dtm = devm_krealloc(cmn->dev, cmn->dtms, sz, GFP_KERNEL); | |
2383 | if (dtm) | |
2384 | cmn->dtms = dtm; | |
2385 | ||
0ba64770 RM |
2386 | /* |
2387 | * If mesh_x wasn't set during discovery then we never saw | |
2388 | * an XP at (0,1), thus we must have an Nx1 configuration. | |
2389 | */ | |
2390 | if (!cmn->mesh_x) | |
2391 | cmn->mesh_x = cmn->num_xps; | |
2392 | cmn->mesh_y = cmn->num_xps / cmn->mesh_x; | |
2393 | ||
60d15040 RM |
2394 | /* 1x1 config plays havoc with XP event encodings */ |
2395 | if (cmn->num_xps == 1) | |
2396 | dev_warn(cmn->dev, "1x1 config not fully supported, translate XP events manually\n"); | |
2397 | ||
7819e05a | 2398 | dev_dbg(cmn->dev, "periph_id part 0x%03x revision %d\n", cmn->part, cmn->rev); |
60d15040 RM |
2399 | reg = cmn->ports_used; |
2400 | dev_dbg(cmn->dev, "mesh %dx%d, ID width %d, ports %6pbl%s\n", | |
2401 | cmn->mesh_x, cmn->mesh_y, arm_cmn_xyidbits(cmn), ®, | |
2402 | cmn->multi_dtm ? ", multi-DTM" : ""); | |
0ba64770 RM |
2403 | |
2404 | return 0; | |
2405 | } | |
2406 | ||
61ec1d87 | 2407 | static int arm_cmn600_acpi_probe(struct platform_device *pdev, struct arm_cmn *cmn) |
0ba64770 RM |
2408 | { |
2409 | struct resource *cfg, *root; | |
2410 | ||
2411 | cfg = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
2412 | if (!cfg) | |
2413 | return -EINVAL; | |
2414 | ||
2415 | root = platform_get_resource(pdev, IORESOURCE_MEM, 1); | |
2416 | if (!root) | |
2417 | return -EINVAL; | |
2418 | ||
2419 | if (!resource_contains(cfg, root)) | |
2420 | swap(cfg, root); | |
2421 | /* | |
2422 | * Note that devm_ioremap_resource() is dumb and won't let the platform | |
2423 | * device claim cfg when the ACPI companion device has already claimed | |
2424 | * root within it. But since they *are* already both claimed in the | |
2425 | * appropriate name, we don't really need to do it again here anyway. | |
2426 | */ | |
2427 | cmn->base = devm_ioremap(cmn->dev, cfg->start, resource_size(cfg)); | |
2428 | if (!cmn->base) | |
2429 | return -ENOMEM; | |
2430 | ||
2431 | return root->start - cfg->start; | |
2432 | } | |
2433 | ||
61ec1d87 | 2434 | static int arm_cmn600_of_probe(struct device_node *np) |
0ba64770 | 2435 | { |
0ba64770 | 2436 | u32 rootnode; |
0ba64770 | 2437 | |
61ec1d87 | 2438 | return of_property_read_u32(np, "arm,root-node", &rootnode) ?: rootnode; |
0ba64770 RM |
2439 | } |
2440 | ||
2441 | static int arm_cmn_probe(struct platform_device *pdev) | |
2442 | { | |
2443 | struct arm_cmn *cmn; | |
2444 | const char *name; | |
2445 | static atomic_t id; | |
a88fa6c2 | 2446 | int err, rootnode, this_id; |
0ba64770 RM |
2447 | |
2448 | cmn = devm_kzalloc(&pdev->dev, sizeof(*cmn), GFP_KERNEL); | |
2449 | if (!cmn) | |
2450 | return -ENOMEM; | |
2451 | ||
2452 | cmn->dev = &pdev->dev; | |
7819e05a | 2453 | cmn->part = (unsigned long)device_get_match_data(cmn->dev); |
0ba64770 RM |
2454 | platform_set_drvdata(pdev, cmn); |
2455 | ||
7819e05a | 2456 | if (cmn->part == PART_CMN600 && has_acpi_companion(cmn->dev)) { |
61ec1d87 RM |
2457 | rootnode = arm_cmn600_acpi_probe(pdev, cmn); |
2458 | } else { | |
2459 | rootnode = 0; | |
2460 | cmn->base = devm_platform_ioremap_resource(pdev, 0); | |
2461 | if (IS_ERR(cmn->base)) | |
2462 | return PTR_ERR(cmn->base); | |
7819e05a | 2463 | if (cmn->part == PART_CMN600) |
61ec1d87 RM |
2464 | rootnode = arm_cmn600_of_probe(pdev->dev.of_node); |
2465 | } | |
0ba64770 RM |
2466 | if (rootnode < 0) |
2467 | return rootnode; | |
2468 | ||
2469 | err = arm_cmn_discover(cmn, rootnode); | |
2470 | if (err) | |
2471 | return err; | |
2472 | ||
2473 | err = arm_cmn_init_dtcs(cmn); | |
2474 | if (err) | |
2475 | return err; | |
2476 | ||
2477 | err = arm_cmn_init_irqs(cmn); | |
2478 | if (err) | |
2479 | return err; | |
2480 | ||
6190741c | 2481 | cmn->cpu = cpumask_local_spread(0, dev_to_node(cmn->dev)); |
0ba64770 RM |
2482 | cmn->pmu = (struct pmu) { |
2483 | .module = THIS_MODULE, | |
2484 | .attr_groups = arm_cmn_attr_groups, | |
2485 | .capabilities = PERF_PMU_CAP_NO_EXCLUDE, | |
2486 | .task_ctx_nr = perf_invalid_context, | |
2487 | .pmu_enable = arm_cmn_pmu_enable, | |
2488 | .pmu_disable = arm_cmn_pmu_disable, | |
2489 | .event_init = arm_cmn_event_init, | |
2490 | .add = arm_cmn_event_add, | |
2491 | .del = arm_cmn_event_del, | |
2492 | .start = arm_cmn_event_start, | |
2493 | .stop = arm_cmn_event_stop, | |
2494 | .read = arm_cmn_event_read, | |
2495 | .start_txn = arm_cmn_start_txn, | |
2496 | .commit_txn = arm_cmn_commit_txn, | |
2497 | .cancel_txn = arm_cmn_end_txn, | |
2498 | }; | |
2499 | ||
a88fa6c2 RM |
2500 | this_id = atomic_fetch_inc(&id); |
2501 | name = devm_kasprintf(cmn->dev, GFP_KERNEL, "arm_cmn_%d", this_id); | |
79d7c3dc RM |
2502 | if (!name) |
2503 | return -ENOMEM; | |
0ba64770 RM |
2504 | |
2505 | err = cpuhp_state_add_instance(arm_cmn_hp_state, &cmn->cpuhp_node); | |
2506 | if (err) | |
2507 | return err; | |
2508 | ||
2509 | err = perf_pmu_register(&cmn->pmu, name, -1); | |
2510 | if (err) | |
56c7c6ea | 2511 | cpuhp_state_remove_instance_nocalls(arm_cmn_hp_state, &cmn->cpuhp_node); |
a88fa6c2 RM |
2512 | else |
2513 | arm_cmn_debugfs_init(cmn, this_id); | |
56c7c6ea | 2514 | |
0ba64770 RM |
2515 | return err; |
2516 | } | |
2517 | ||
2518 | static int arm_cmn_remove(struct platform_device *pdev) | |
2519 | { | |
2520 | struct arm_cmn *cmn = platform_get_drvdata(pdev); | |
0ba64770 RM |
2521 | |
2522 | writel_relaxed(0, cmn->dtc[0].base + CMN_DT_DTC_CTL); | |
2523 | ||
2524 | perf_pmu_unregister(&cmn->pmu); | |
56c7c6ea | 2525 | cpuhp_state_remove_instance_nocalls(arm_cmn_hp_state, &cmn->cpuhp_node); |
a88fa6c2 | 2526 | debugfs_remove(cmn->debug); |
0ba64770 RM |
2527 | return 0; |
2528 | } | |
2529 | ||
2530 | #ifdef CONFIG_OF | |
2531 | static const struct of_device_id arm_cmn_of_match[] = { | |
7819e05a RM |
2532 | { .compatible = "arm,cmn-600", .data = (void *)PART_CMN600 }, |
2533 | { .compatible = "arm,cmn-650" }, | |
2534 | { .compatible = "arm,cmn-700" }, | |
2535 | { .compatible = "arm,ci-700" }, | |
0ba64770 RM |
2536 | {} |
2537 | }; | |
2538 | MODULE_DEVICE_TABLE(of, arm_cmn_of_match); | |
2539 | #endif | |
2540 | ||
2541 | #ifdef CONFIG_ACPI | |
2542 | static const struct acpi_device_id arm_cmn_acpi_match[] = { | |
7819e05a RM |
2543 | { "ARMHC600", PART_CMN600 }, |
2544 | { "ARMHC650" }, | |
2545 | { "ARMHC700" }, | |
0ba64770 RM |
2546 | {} |
2547 | }; | |
2548 | MODULE_DEVICE_TABLE(acpi, arm_cmn_acpi_match); | |
2549 | #endif | |
2550 | ||
2551 | static struct platform_driver arm_cmn_driver = { | |
2552 | .driver = { | |
2553 | .name = "arm-cmn", | |
2554 | .of_match_table = of_match_ptr(arm_cmn_of_match), | |
2555 | .acpi_match_table = ACPI_PTR(arm_cmn_acpi_match), | |
2556 | }, | |
2557 | .probe = arm_cmn_probe, | |
2558 | .remove = arm_cmn_remove, | |
2559 | }; | |
2560 | ||
2561 | static int __init arm_cmn_init(void) | |
2562 | { | |
2563 | int ret; | |
2564 | ||
2565 | ret = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, | |
6190741c RM |
2566 | "perf/arm/cmn:online", |
2567 | arm_cmn_pmu_online_cpu, | |
0ba64770 RM |
2568 | arm_cmn_pmu_offline_cpu); |
2569 | if (ret < 0) | |
2570 | return ret; | |
2571 | ||
2572 | arm_cmn_hp_state = ret; | |
a88fa6c2 RM |
2573 | arm_cmn_debugfs = debugfs_create_dir("arm-cmn", NULL); |
2574 | ||
0ba64770 | 2575 | ret = platform_driver_register(&arm_cmn_driver); |
a88fa6c2 | 2576 | if (ret) { |
0ba64770 | 2577 | cpuhp_remove_multi_state(arm_cmn_hp_state); |
a88fa6c2 RM |
2578 | debugfs_remove(arm_cmn_debugfs); |
2579 | } | |
0ba64770 RM |
2580 | return ret; |
2581 | } | |
2582 | ||
2583 | static void __exit arm_cmn_exit(void) | |
2584 | { | |
2585 | platform_driver_unregister(&arm_cmn_driver); | |
2586 | cpuhp_remove_multi_state(arm_cmn_hp_state); | |
a88fa6c2 | 2587 | debugfs_remove(arm_cmn_debugfs); |
0ba64770 RM |
2588 | } |
2589 | ||
2590 | module_init(arm_cmn_init); | |
2591 | module_exit(arm_cmn_exit); | |
2592 | ||
2593 | MODULE_AUTHOR("Robin Murphy <robin.murphy@arm.com>"); | |
2594 | MODULE_DESCRIPTION("Arm CMN-600 PMU driver"); | |
2595 | MODULE_LICENSE("GPL v2"); |