Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 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> |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 8 | #include <linux/debugfs.h> |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 9 | #include <linux/interrupt.h> |
| 10 | #include <linux/io.h> |
Robin Murphy | 82d8ea4 | 2021-12-03 11:44:52 +0000 | [diff] [blame] | 11 | #include <linux/io-64-nonatomic-lo-hi.h> |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 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 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 27 | #define CMN_CHILD_INFO 0x0080 |
| 28 | #define CMN_CI_CHILD_COUNT GENMASK_ULL(15, 0) |
| 29 | #define CMN_CI_CHILD_PTR_OFFSET GENMASK_ULL(31, 16) |
| 30 | |
Ilkka Koskinen | 05d6f6d | 2022-08-08 12:54:55 -0700 | [diff] [blame] | 31 | #define CMN_CHILD_NODE_ADDR GENMASK(29, 0) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 32 | #define CMN_CHILD_NODE_EXTERNAL BIT(31) |
| 33 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 34 | #define CMN_MAX_DIMENSION 12 |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 35 | #define CMN_MAX_XPS (CMN_MAX_DIMENSION * CMN_MAX_DIMENSION) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 36 | #define CMN_MAX_DTMS (CMN_MAX_XPS + (CMN_MAX_DIMENSION - 1) * 4) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 37 | |
Robin Murphy | 359414b | 2024-09-02 18:51:59 +0100 | [diff] [blame] | 38 | /* Currently XPs are the node type we can have most of; others top out at 128 */ |
| 39 | #define CMN_MAX_NODES_PER_EVENT CMN_MAX_XPS |
| 40 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 41 | /* The CFG node has various info besides the discovery tree */ |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 42 | #define CMN_CFGM_PERIPH_ID_01 0x0008 |
| 43 | #define CMN_CFGM_PID0_PART_0 GENMASK_ULL(7, 0) |
| 44 | #define CMN_CFGM_PID1_PART_1 GENMASK_ULL(35, 32) |
| 45 | #define CMN_CFGM_PERIPH_ID_23 0x0010 |
| 46 | #define CMN_CFGM_PID2_REVISION GENMASK_ULL(7, 4) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 47 | |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 48 | #define CMN_CFGM_INFO_GLOBAL 0x0900 |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 49 | #define CMN_INFO_MULTIPLE_DTM_EN BIT_ULL(63) |
| 50 | #define CMN_INFO_RSP_VC_NUM GENMASK_ULL(53, 52) |
| 51 | #define CMN_INFO_DAT_VC_NUM GENMASK_ULL(51, 50) |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 52 | #define CMN_INFO_DEVICE_ISO_ENABLE BIT_ULL(44) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 53 | |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 54 | #define CMN_CFGM_INFO_GLOBAL_1 0x0908 |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 55 | #define CMN_INFO_SNP_VC_NUM GENMASK_ULL(3, 2) |
| 56 | #define CMN_INFO_REQ_VC_NUM GENMASK_ULL(1, 0) |
| 57 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 58 | /* XPs also have some local topology info which has uses too */ |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 59 | #define CMN_MXP__CONNECT_INFO(p) (0x0008 + 8 * (p)) |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 60 | #define CMN__CONNECT_INFO_DEVICE_TYPE GENMASK_ULL(5, 0) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 61 | |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 62 | #define CMN_MAX_PORTS 6 |
| 63 | #define CI700_CONNECT_INFO_P2_5_OFFSET 0x10 |
| 64 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 65 | /* PMU registers occupy the 3rd 4KB page of each node's region */ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 66 | #define CMN_PMU_OFFSET 0x2000 |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 67 | /* ...except when they don't :( */ |
| 68 | #define CMN_S3_DTM_OFFSET 0xa000 |
| 69 | #define CMN_S3_PMU_OFFSET 0xd900 |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 70 | |
| 71 | /* For most nodes, this is all there is */ |
| 72 | #define CMN_PMU_EVENT_SEL 0x000 |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 73 | #define CMN__PMU_CBUSY_SNTHROTTLE_SEL GENMASK_ULL(44, 42) |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 74 | #define CMN__PMU_SN_HOME_SEL GENMASK_ULL(40, 39) |
| 75 | #define CMN__PMU_HBT_LBT_SEL GENMASK_ULL(38, 37) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 76 | #define CMN__PMU_CLASS_OCCUP_ID GENMASK_ULL(36, 35) |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 77 | /* Technically this is 4 bits wide on DNs, but we only use 2 there anyway */ |
| 78 | #define CMN__PMU_OCCUP1_ID GENMASK_ULL(34, 32) |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 79 | |
Robin Murphy | 88b63a8 | 2024-09-02 18:51:58 +0100 | [diff] [blame] | 80 | /* Some types are designed to coexist with another device in the same node */ |
| 81 | #define CMN_CCLA_PMU_EVENT_SEL 0x008 |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 82 | #define CMN_HNP_PMU_EVENT_SEL 0x008 |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 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) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 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) |
Robin Murphy | 31fac56 | 2022-02-24 18:41:22 +0000 | [diff] [blame] | 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) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 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 | |
Robin Murphy | e3e73f5 | 2023-10-20 18:51:25 +0100 | [diff] [blame] | 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) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 118 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 119 | #define CMN_DTM_NUM_COUNTERS 4 |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 120 | /* Want more local counters? Why not replicate the whole DTM! Ugh... */ |
| 121 | #define CMN_DTM_OFFSET(n) ((n) * 0x200) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 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) |
Robin Murphy | c5b15dd | 2024-09-02 18:52:01 +0100 | [diff] [blame] | 126 | #define CMN_DT_DTC_CTL_CG_DISABLE BIT(10) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 127 | |
| 128 | /* DTC counters are paired in 64-bit registers on a 16-byte stride. Yuck */ |
| 129 | #define _CMN_DT_CNT_REG(n) ((((n) / 2) * 4 + (n) % 2) * 4) |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 130 | #define CMN_DT_PMEVCNT(dtc, n) ((dtc)->pmu_base + _CMN_DT_CNT_REG(n)) |
| 131 | #define CMN_DT_PMCCNTR(dtc) ((dtc)->pmu_base + 0x40) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 132 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 133 | #define CMN_DT_PMEVCNTSR(dtc, n) ((dtc)->pmu_base + 0x50 + _CMN_DT_CNT_REG(n)) |
| 134 | #define CMN_DT_PMCCNTRSR(dtc) ((dtc)->pmu_base + 0x90) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 135 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 136 | #define CMN_DT_PMCR(dtc) ((dtc)->pmu_base + 0x100) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 137 | #define CMN_DT_PMCR_PMU_EN BIT(0) |
| 138 | #define CMN_DT_PMCR_CNTR_RST BIT(5) |
| 139 | #define CMN_DT_PMCR_OVFL_INTR_EN BIT(6) |
| 140 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 141 | #define CMN_DT_PMOVSR(dtc) ((dtc)->pmu_base + 0x118) |
| 142 | #define CMN_DT_PMOVSR_CLR(dtc) ((dtc)->pmu_base + 0x120) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 143 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 144 | #define CMN_DT_PMSSR(dtc) ((dtc)->pmu_base + 0x128) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 145 | #define CMN_DT_PMSSR_SS_STATUS(n) BIT(n) |
| 146 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 147 | #define CMN_DT_PMSRR(dtc) ((dtc)->pmu_base + 0x130) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 148 | #define CMN_DT_PMSRR_SS_REQ BIT(0) |
| 149 | |
| 150 | #define CMN_DT_NUM_COUNTERS 8 |
| 151 | #define CMN_MAX_DTCS 4 |
| 152 | |
| 153 | /* |
| 154 | * Even in the worst case a DTC counter can't wrap in fewer than 2^42 cycles, |
| 155 | * so throwing away one bit to make overflow handling easy is no big deal. |
| 156 | */ |
| 157 | #define CMN_COUNTER_INIT 0x80000000 |
| 158 | /* Similarly for the 40-bit cycle counter */ |
| 159 | #define CMN_CC_INIT 0x8000000000ULL |
| 160 | |
| 161 | |
| 162 | /* Event attributes */ |
Robin Murphy | 82d8ea4 | 2021-12-03 11:44:52 +0000 | [diff] [blame] | 163 | #define CMN_CONFIG_TYPE GENMASK_ULL(15, 0) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 164 | #define CMN_CONFIG_EVENTID GENMASK_ULL(26, 16) |
| 165 | #define CMN_CONFIG_OCCUPID GENMASK_ULL(30, 27) |
Robin Murphy | 82d8ea4 | 2021-12-03 11:44:52 +0000 | [diff] [blame] | 166 | #define CMN_CONFIG_BYNODEID BIT_ULL(31) |
| 167 | #define CMN_CONFIG_NODEID GENMASK_ULL(47, 32) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 168 | |
| 169 | #define CMN_EVENT_TYPE(event) FIELD_GET(CMN_CONFIG_TYPE, (event)->attr.config) |
| 170 | #define CMN_EVENT_EVENTID(event) FIELD_GET(CMN_CONFIG_EVENTID, (event)->attr.config) |
| 171 | #define CMN_EVENT_OCCUPID(event) FIELD_GET(CMN_CONFIG_OCCUPID, (event)->attr.config) |
| 172 | #define CMN_EVENT_BYNODEID(event) FIELD_GET(CMN_CONFIG_BYNODEID, (event)->attr.config) |
| 173 | #define CMN_EVENT_NODEID(event) FIELD_GET(CMN_CONFIG_NODEID, (event)->attr.config) |
| 174 | |
Ilkka Koskinen | f87e911 | 2023-03-01 09:55:40 -0800 | [diff] [blame] | 175 | #define CMN_CONFIG_WP_COMBINE GENMASK_ULL(30, 27) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 176 | #define CMN_CONFIG_WP_DEV_SEL GENMASK_ULL(50, 48) |
| 177 | #define CMN_CONFIG_WP_CHN_SEL GENMASK_ULL(55, 51) |
Ilkka Koskinen | f9a7a91 | 2024-06-17 17:50:56 -0700 | [diff] [blame] | 178 | #define CMN_CONFIG_WP_GRP GENMASK_ULL(57, 56) |
| 179 | #define CMN_CONFIG_WP_EXCLUSIVE BIT_ULL(58) |
Robin Murphy | 82d8ea4 | 2021-12-03 11:44:52 +0000 | [diff] [blame] | 180 | #define CMN_CONFIG1_WP_VAL GENMASK_ULL(63, 0) |
| 181 | #define CMN_CONFIG2_WP_MASK GENMASK_ULL(63, 0) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 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 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 196 | /* Internal values for encoding event support */ |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 197 | enum cmn_model { |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 198 | CMN600 = 1, |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 199 | CMN650 = 2, |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 200 | CMN700 = 4, |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 201 | CI700 = 8, |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 202 | CMNS3 = 16, |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 203 | /* ...and then we can use bitmap tricks for commonality */ |
| 204 | CMN_ANY = -1, |
| 205 | NOT_CMN600 = -2, |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 206 | CMN_650ON = CMN650 | CMN700 | CMNS3, |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 207 | }; |
| 208 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 209 | /* Actual part numbers and revision IDs defined by the hardware */ |
| 210 | enum cmn_part { |
| 211 | PART_CMN600 = 0x434, |
| 212 | PART_CMN650 = 0x436, |
| 213 | PART_CMN700 = 0x43c, |
| 214 | PART_CI700 = 0x43a, |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 215 | PART_CMN_S3 = 0x43e, |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 216 | }; |
| 217 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 218 | /* CMN-600 r0px shouldn't exist in silicon, thankfully */ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 219 | enum cmn_revision { |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 220 | REV_CMN600_R1P0, |
| 221 | REV_CMN600_R1P1, |
| 222 | REV_CMN600_R1P2, |
| 223 | REV_CMN600_R1P3, |
| 224 | REV_CMN600_R2P0, |
| 225 | REV_CMN600_R3P0, |
| 226 | REV_CMN600_R3P1, |
| 227 | REV_CMN650_R0P0 = 0, |
| 228 | REV_CMN650_R1P0, |
| 229 | REV_CMN650_R1P1, |
| 230 | REV_CMN650_R2P0, |
| 231 | REV_CMN650_R1P2, |
| 232 | REV_CMN700_R0P0 = 0, |
| 233 | REV_CMN700_R1P0, |
| 234 | REV_CMN700_R2P0, |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 235 | REV_CMN700_R3P0, |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 236 | REV_CI700_R0P0 = 0, |
| 237 | REV_CI700_R1P0, |
| 238 | REV_CI700_R2P0, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 239 | }; |
| 240 | |
| 241 | enum cmn_node_type { |
| 242 | CMN_TYPE_INVALID, |
| 243 | CMN_TYPE_DVM, |
| 244 | CMN_TYPE_CFG, |
| 245 | CMN_TYPE_DTC, |
| 246 | CMN_TYPE_HNI, |
| 247 | CMN_TYPE_HNF, |
| 248 | CMN_TYPE_XP, |
| 249 | CMN_TYPE_SBSX, |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 250 | CMN_TYPE_MPAM_S, |
| 251 | CMN_TYPE_MPAM_NS, |
| 252 | CMN_TYPE_RNI, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 253 | CMN_TYPE_RND = 0xd, |
| 254 | CMN_TYPE_RNSAM = 0xf, |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 255 | CMN_TYPE_MTSX, |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 256 | CMN_TYPE_HNP, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 257 | CMN_TYPE_CXRA = 0x100, |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 258 | CMN_TYPE_CXHA, |
| 259 | CMN_TYPE_CXLA, |
| 260 | CMN_TYPE_CCRA, |
| 261 | CMN_TYPE_CCHA, |
| 262 | CMN_TYPE_CCLA, |
| 263 | CMN_TYPE_CCLA_RNI, |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 264 | CMN_TYPE_HNS = 0x200, |
| 265 | CMN_TYPE_HNS_MPAM_S, |
| 266 | CMN_TYPE_HNS_MPAM_NS, |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 267 | CMN_TYPE_APB = 0x1000, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 268 | /* Not a real node type */ |
| 269 | CMN_TYPE_WP = 0x7770 |
| 270 | }; |
| 271 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 272 | enum cmn_filter_select { |
| 273 | SEL_NONE = -1, |
| 274 | SEL_OCCUP1ID, |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 275 | SEL_CLASS_OCCUP_ID, |
| 276 | SEL_CBUSY_SNTHROTTLE_SEL, |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 277 | SEL_HBT_LBT_SEL, |
| 278 | SEL_SN_HOME_SEL, |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 279 | SEL_MAX |
| 280 | }; |
| 281 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 282 | struct arm_cmn_node { |
| 283 | void __iomem *pmu_base; |
| 284 | u16 id, logid; |
| 285 | enum cmn_node_type type; |
| 286 | |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 287 | /* XP properties really, but replicated to children for convenience */ |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 288 | u8 dtm; |
| 289 | s8 dtc; |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 290 | u8 portid_bits:4; |
| 291 | u8 deviceid_bits:4; |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 292 | /* DN/HN-F/CXHA */ |
| 293 | struct { |
| 294 | u8 val : 4; |
| 295 | u8 count : 4; |
| 296 | } occupid[SEL_MAX]; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 297 | union { |
| 298 | u8 event[4]; |
| 299 | __le32 event_sel; |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 300 | u16 event_w[4]; |
| 301 | __le64 event_sel_w; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 302 | }; |
| 303 | }; |
| 304 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 305 | struct arm_cmn_dtm { |
| 306 | void __iomem *base; |
| 307 | u32 pmu_config_low; |
| 308 | union { |
| 309 | u8 input_sel[4]; |
| 310 | __le32 pmu_config_high; |
| 311 | }; |
| 312 | s8 wp_event[4]; |
| 313 | }; |
| 314 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 315 | struct arm_cmn_dtc { |
| 316 | void __iomem *base; |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 317 | void __iomem *pmu_base; |
Will Deacon | d9ef632 | 2020-10-01 11:54:54 +0100 | [diff] [blame] | 318 | int irq; |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 319 | s8 irq_friend; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 320 | bool cc_active; |
| 321 | |
| 322 | struct perf_event *counters[CMN_DT_NUM_COUNTERS]; |
| 323 | struct perf_event *cycles; |
| 324 | }; |
| 325 | |
| 326 | #define CMN_STATE_DISABLED BIT(0) |
| 327 | #define CMN_STATE_TXN BIT(1) |
| 328 | |
| 329 | struct arm_cmn { |
| 330 | struct device *dev; |
| 331 | void __iomem *base; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 332 | unsigned int state; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 333 | |
| 334 | enum cmn_revision rev; |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 335 | enum cmn_part part; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 336 | u8 mesh_x; |
| 337 | u8 mesh_y; |
| 338 | u16 num_xps; |
| 339 | u16 num_dns; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 340 | bool multi_dtm; |
| 341 | u8 ports_used; |
| 342 | struct { |
| 343 | unsigned int rsp_vc_num : 2; |
| 344 | unsigned int dat_vc_num : 2; |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 345 | unsigned int snp_vc_num : 2; |
| 346 | unsigned int req_vc_num : 2; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 347 | }; |
| 348 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 349 | struct arm_cmn_node *xps; |
| 350 | struct arm_cmn_node *dns; |
| 351 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 352 | struct arm_cmn_dtm *dtms; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 353 | struct arm_cmn_dtc *dtc; |
| 354 | unsigned int num_dtcs; |
| 355 | |
| 356 | int cpu; |
| 357 | struct hlist_node cpuhp_node; |
| 358 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 359 | struct pmu pmu; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 360 | struct dentry *debug; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 361 | }; |
| 362 | |
| 363 | #define to_cmn(p) container_of(p, struct arm_cmn, pmu) |
| 364 | |
| 365 | static int arm_cmn_hp_state; |
| 366 | |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 367 | struct arm_cmn_nodeid { |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 368 | u8 port; |
| 369 | u8 dev; |
| 370 | }; |
| 371 | |
| 372 | static int arm_cmn_xyidbits(const struct arm_cmn *cmn) |
| 373 | { |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 374 | return fls((cmn->mesh_x - 1) | (cmn->mesh_y - 1)); |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 375 | } |
| 376 | |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 377 | static struct arm_cmn_nodeid arm_cmn_nid(const struct arm_cmn_node *dn) |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 378 | { |
| 379 | struct arm_cmn_nodeid nid; |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 380 | |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 381 | nid.dev = dn->id & ((1U << dn->deviceid_bits) - 1); |
| 382 | nid.port = (dn->id >> dn->deviceid_bits) & ((1U << dn->portid_bits) - 1); |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 383 | return nid; |
| 384 | } |
| 385 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 386 | static struct arm_cmn_node *arm_cmn_node_to_xp(const struct arm_cmn *cmn, |
| 387 | const struct arm_cmn_node *dn) |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 388 | { |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 389 | int id = dn->id >> (dn->portid_bits + dn->deviceid_bits); |
| 390 | int bits = arm_cmn_xyidbits(cmn); |
| 391 | int x = id >> bits; |
| 392 | int y = id & ((1U << bits) - 1); |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 393 | |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 394 | return cmn->xps + cmn->mesh_x * y + x; |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 395 | } |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 396 | static struct arm_cmn_node *arm_cmn_node(const struct arm_cmn *cmn, |
| 397 | enum cmn_node_type type) |
| 398 | { |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 399 | struct arm_cmn_node *dn; |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 400 | |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 401 | for (dn = cmn->dns; dn->type; dn++) |
| 402 | if (dn->type == type) |
| 403 | return dn; |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 404 | return NULL; |
| 405 | } |
| 406 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 407 | static enum cmn_model arm_cmn_model(const struct arm_cmn *cmn) |
| 408 | { |
| 409 | switch (cmn->part) { |
| 410 | case PART_CMN600: |
| 411 | return CMN600; |
| 412 | case PART_CMN650: |
| 413 | return CMN650; |
| 414 | case PART_CMN700: |
| 415 | return CMN700; |
| 416 | case PART_CI700: |
| 417 | return CI700; |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 418 | case PART_CMN_S3: |
| 419 | return CMNS3; |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 420 | default: |
| 421 | return 0; |
| 422 | }; |
| 423 | } |
| 424 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 425 | static int arm_cmn_pmu_offset(const struct arm_cmn *cmn, const struct arm_cmn_node *dn) |
| 426 | { |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 427 | if (cmn->part == PART_CMN_S3) { |
| 428 | if (dn->type == CMN_TYPE_XP) |
| 429 | return CMN_S3_DTM_OFFSET; |
| 430 | return CMN_S3_PMU_OFFSET; |
| 431 | } |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 432 | return CMN_PMU_OFFSET; |
| 433 | } |
| 434 | |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 435 | static u32 arm_cmn_device_connect_info(const struct arm_cmn *cmn, |
| 436 | const struct arm_cmn_node *xp, int port) |
| 437 | { |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 438 | int offset = CMN_MXP__CONNECT_INFO(port) - arm_cmn_pmu_offset(cmn, xp); |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 439 | |
| 440 | if (port >= 2) { |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 441 | if (cmn->part == PART_CMN600 || cmn->part == PART_CMN650) |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 442 | return 0; |
| 443 | /* |
| 444 | * CI-700 may have extra ports, but still has the |
| 445 | * mesh_port_connect_info registers in the way. |
| 446 | */ |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 447 | if (cmn->part == PART_CI700) |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 448 | offset += CI700_CONNECT_INFO_P2_5_OFFSET; |
| 449 | } |
| 450 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 451 | return readl_relaxed(xp->pmu_base + offset); |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 452 | } |
| 453 | |
Robin Murphy | 6f75217b | 2022-02-03 18:01:18 +0000 | [diff] [blame] | 454 | static struct dentry *arm_cmn_debugfs; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 455 | |
| 456 | #ifdef CONFIG_DEBUG_FS |
| 457 | static const char *arm_cmn_device_type(u8 type) |
| 458 | { |
Robin Murphy | c578121 | 2022-05-11 14:12:53 +0100 | [diff] [blame] | 459 | switch(FIELD_GET(CMN__CONNECT_INFO_DEVICE_TYPE, type)) { |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 460 | case 0x00: return " |"; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 461 | case 0x01: return " RN-I |"; |
| 462 | case 0x02: return " RN-D |"; |
| 463 | case 0x04: return " RN-F_B |"; |
| 464 | case 0x05: return "RN-F_B_E|"; |
| 465 | case 0x06: return " RN-F_A |"; |
| 466 | case 0x07: return "RN-F_A_E|"; |
| 467 | case 0x08: return " HN-T |"; |
| 468 | case 0x09: return " HN-I |"; |
| 469 | case 0x0a: return " HN-D |"; |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 470 | case 0x0b: return " HN-P |"; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 471 | case 0x0c: return " SN-F |"; |
| 472 | case 0x0d: return " SBSX |"; |
| 473 | case 0x0e: return " HN-F |"; |
| 474 | case 0x0f: return " SN-F_E |"; |
| 475 | case 0x10: return " SN-F_D |"; |
| 476 | case 0x11: return " CXHA |"; |
| 477 | case 0x12: return " CXRA |"; |
| 478 | case 0x13: return " CXRH |"; |
| 479 | case 0x14: return " RN-F_D |"; |
| 480 | case 0x15: return "RN-F_D_E|"; |
| 481 | case 0x16: return " RN-F_C |"; |
| 482 | case 0x17: return "RN-F_C_E|"; |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 483 | case 0x18: return " RN-F_E |"; |
| 484 | case 0x19: return "RN-F_E_E|"; |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 485 | case 0x1a: return " HN-S |"; |
| 486 | case 0x1b: return " LCN |"; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 487 | case 0x1c: return " MTSX |"; |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 488 | case 0x1d: return " HN-V |"; |
| 489 | case 0x1e: return " CCG |"; |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 490 | case 0x20: return " RN-F_F |"; |
| 491 | case 0x21: return "RN-F_F_E|"; |
| 492 | case 0x22: return " SN-F_F |"; |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 493 | default: return " ???? |"; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 494 | } |
| 495 | } |
| 496 | |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 497 | static void arm_cmn_show_logid(struct seq_file *s, const struct arm_cmn_node *xp, int p, int d) |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 498 | { |
| 499 | struct arm_cmn *cmn = s->private; |
| 500 | struct arm_cmn_node *dn; |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 501 | u16 id = xp->id | d | (p << xp->deviceid_bits); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 502 | |
| 503 | for (dn = cmn->dns; dn->type; dn++) { |
Robin Murphy | a1083ee | 2023-12-13 16:24:07 +0000 | [diff] [blame] | 504 | int pad = dn->logid < 10; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 505 | |
| 506 | if (dn->type == CMN_TYPE_XP) |
| 507 | continue; |
| 508 | /* Ignore the extra components that will overlap on some ports */ |
| 509 | if (dn->type < CMN_TYPE_HNI) |
| 510 | continue; |
| 511 | |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 512 | if (dn->id != id) |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 513 | continue; |
| 514 | |
Robin Murphy | a1083ee | 2023-12-13 16:24:07 +0000 | [diff] [blame] | 515 | seq_printf(s, " %*c#%-*d |", pad + 1, ' ', 3 - pad, dn->logid); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 516 | return; |
| 517 | } |
| 518 | seq_puts(s, " |"); |
| 519 | } |
| 520 | |
| 521 | static int arm_cmn_map_show(struct seq_file *s, void *data) |
| 522 | { |
| 523 | struct arm_cmn *cmn = s->private; |
| 524 | int x, y, p, pmax = fls(cmn->ports_used); |
| 525 | |
| 526 | seq_puts(s, " X"); |
| 527 | for (x = 0; x < cmn->mesh_x; x++) |
Robin Murphy | a1083ee | 2023-12-13 16:24:07 +0000 | [diff] [blame] | 528 | seq_printf(s, " %-2d ", x); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 529 | seq_puts(s, "\nY P D+"); |
| 530 | y = cmn->mesh_y; |
| 531 | while (y--) { |
| 532 | int xp_base = cmn->mesh_x * y; |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 533 | struct arm_cmn_node *xp = cmn->xps + xp_base; |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 534 | u8 port[CMN_MAX_PORTS][CMN_MAX_DIMENSION]; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 535 | |
| 536 | for (x = 0; x < cmn->mesh_x; x++) |
| 537 | seq_puts(s, "--------+"); |
| 538 | |
Robin Murphy | a1083ee | 2023-12-13 16:24:07 +0000 | [diff] [blame] | 539 | seq_printf(s, "\n%-2d |", y); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 540 | for (x = 0; x < cmn->mesh_x; x++) { |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 541 | for (p = 0; p < CMN_MAX_PORTS; p++) |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 542 | port[p][x] = arm_cmn_device_connect_info(cmn, xp + x, p); |
Robin Murphy | a1083ee | 2023-12-13 16:24:07 +0000 | [diff] [blame] | 543 | seq_printf(s, " XP #%-3d|", xp_base + x); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | seq_puts(s, "\n |"); |
| 547 | for (x = 0; x < cmn->mesh_x; x++) { |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 548 | s8 dtc = xp[x].dtc; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 549 | |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 550 | if (dtc < 0) |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 551 | seq_puts(s, " DTC ?? |"); |
| 552 | else |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 553 | seq_printf(s, " DTC %d |", dtc); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 554 | } |
| 555 | seq_puts(s, "\n |"); |
| 556 | for (x = 0; x < cmn->mesh_x; x++) |
| 557 | seq_puts(s, "........|"); |
| 558 | |
| 559 | for (p = 0; p < pmax; p++) { |
| 560 | seq_printf(s, "\n %d |", p); |
| 561 | for (x = 0; x < cmn->mesh_x; x++) |
| 562 | seq_puts(s, arm_cmn_device_type(port[p][x])); |
| 563 | seq_puts(s, "\n 0|"); |
| 564 | for (x = 0; x < cmn->mesh_x; x++) |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 565 | arm_cmn_show_logid(s, xp + x, p, 0); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 566 | seq_puts(s, "\n 1|"); |
| 567 | for (x = 0; x < cmn->mesh_x; x++) |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 568 | arm_cmn_show_logid(s, xp + x, p, 1); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 569 | } |
| 570 | seq_puts(s, "\n-----+"); |
| 571 | } |
| 572 | for (x = 0; x < cmn->mesh_x; x++) |
| 573 | seq_puts(s, "--------+"); |
| 574 | seq_puts(s, "\n"); |
| 575 | return 0; |
| 576 | } |
| 577 | DEFINE_SHOW_ATTRIBUTE(arm_cmn_map); |
| 578 | |
| 579 | static void arm_cmn_debugfs_init(struct arm_cmn *cmn, int id) |
| 580 | { |
| 581 | const char *name = "map"; |
| 582 | |
| 583 | if (id > 0) |
| 584 | name = devm_kasprintf(cmn->dev, GFP_KERNEL, "map_%d", id); |
| 585 | if (!name) |
| 586 | return; |
| 587 | |
| 588 | cmn->debug = debugfs_create_file(name, 0444, arm_cmn_debugfs, cmn, &arm_cmn_map_fops); |
| 589 | } |
| 590 | #else |
| 591 | static void arm_cmn_debugfs_init(struct arm_cmn *cmn, int id) {} |
| 592 | #endif |
| 593 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 594 | struct arm_cmn_hw_event { |
| 595 | struct arm_cmn_node *dn; |
Robin Murphy | 359414b | 2024-09-02 18:51:59 +0100 | [diff] [blame] | 596 | u64 dtm_idx[DIV_ROUND_UP(CMN_MAX_NODES_PER_EVENT * 2, 64)]; |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 597 | s8 dtc_idx[CMN_MAX_DTCS]; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 598 | u8 num_dns; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 599 | u8 dtm_offset; |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 600 | |
| 601 | /* |
| 602 | * WP config registers are divided to UP and DOWN events. We need to |
| 603 | * keep to track only one of them. |
| 604 | */ |
| 605 | DECLARE_BITMAP(wp_idx, CMN_MAX_XPS); |
| 606 | |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 607 | bool wide_sel; |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 608 | enum cmn_filter_select filter_sel; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 609 | }; |
Robin Murphy | ff436ce | 2024-09-02 18:52:00 +0100 | [diff] [blame] | 610 | static_assert(sizeof(struct arm_cmn_hw_event) <= offsetof(struct hw_perf_event, target)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 611 | |
| 612 | #define for_each_hw_dn(hw, dn, i) \ |
| 613 | for (i = 0, dn = hw->dn; i < hw->num_dns; i++, dn++) |
| 614 | |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 615 | /* @i is the DTC number, @idx is the counter index on that DTC */ |
| 616 | #define for_each_hw_dtc_idx(hw, i, idx) \ |
| 617 | for (int i = 0, idx; i < CMN_MAX_DTCS; i++) if ((idx = hw->dtc_idx[i]) >= 0) |
| 618 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 619 | static struct arm_cmn_hw_event *to_cmn_hw(struct perf_event *event) |
| 620 | { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 621 | return (struct arm_cmn_hw_event *)&event->hw; |
| 622 | } |
| 623 | |
| 624 | static void arm_cmn_set_index(u64 x[], unsigned int pos, unsigned int val) |
| 625 | { |
| 626 | x[pos / 32] |= (u64)val << ((pos % 32) * 2); |
| 627 | } |
| 628 | |
| 629 | static unsigned int arm_cmn_get_index(u64 x[], unsigned int pos) |
| 630 | { |
| 631 | return (x[pos / 32] >> ((pos % 32) * 2)) & 3; |
| 632 | } |
| 633 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 634 | static void arm_cmn_set_wp_idx(unsigned long *wp_idx, unsigned int pos, bool val) |
| 635 | { |
| 636 | if (val) |
| 637 | set_bit(pos, wp_idx); |
| 638 | } |
| 639 | |
| 640 | static unsigned int arm_cmn_get_wp_idx(unsigned long *wp_idx, unsigned int pos) |
| 641 | { |
| 642 | return test_bit(pos, wp_idx); |
| 643 | } |
| 644 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 645 | struct arm_cmn_event_attr { |
| 646 | struct device_attribute attr; |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 647 | enum cmn_model model; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 648 | enum cmn_node_type type; |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 649 | enum cmn_filter_select fsel; |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 650 | u16 eventid; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 651 | u8 occupid; |
| 652 | }; |
| 653 | |
| 654 | struct arm_cmn_format_attr { |
| 655 | struct device_attribute attr; |
| 656 | u64 field; |
| 657 | int config; |
| 658 | }; |
| 659 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 660 | #define _CMN_EVENT_ATTR(_model, _name, _type, _eventid, _occupid, _fsel)\ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 661 | (&((struct arm_cmn_event_attr[]) {{ \ |
| 662 | .attr = __ATTR(_name, 0444, arm_cmn_event_show, NULL), \ |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 663 | .model = _model, \ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 664 | .type = _type, \ |
| 665 | .eventid = _eventid, \ |
| 666 | .occupid = _occupid, \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 667 | .fsel = _fsel, \ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 668 | }})[0].attr.attr) |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 669 | #define CMN_EVENT_ATTR(_model, _name, _type, _eventid) \ |
| 670 | _CMN_EVENT_ATTR(_model, _name, _type, _eventid, 0, SEL_NONE) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 671 | |
| 672 | static ssize_t arm_cmn_event_show(struct device *dev, |
| 673 | struct device_attribute *attr, char *buf) |
| 674 | { |
| 675 | struct arm_cmn_event_attr *eattr; |
| 676 | |
| 677 | eattr = container_of(attr, typeof(*eattr), attr); |
| 678 | |
| 679 | if (eattr->type == CMN_TYPE_DTC) |
Zihao Tang | 700a9cf | 2021-03-19 18:04:31 +0800 | [diff] [blame] | 680 | return sysfs_emit(buf, "type=0x%x\n", eattr->type); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 681 | |
| 682 | if (eattr->type == CMN_TYPE_WP) |
Zihao Tang | 700a9cf | 2021-03-19 18:04:31 +0800 | [diff] [blame] | 683 | return sysfs_emit(buf, |
| 684 | "type=0x%x,eventid=0x%x,wp_dev_sel=?,wp_chn_sel=?,wp_grp=?,wp_val=?,wp_mask=?\n", |
| 685 | eattr->type, eattr->eventid); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 686 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 687 | if (eattr->fsel > SEL_NONE) |
Zihao Tang | 700a9cf | 2021-03-19 18:04:31 +0800 | [diff] [blame] | 688 | return sysfs_emit(buf, "type=0x%x,eventid=0x%x,occupid=0x%x\n", |
| 689 | eattr->type, eattr->eventid, eattr->occupid); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 690 | |
Zihao Tang | 700a9cf | 2021-03-19 18:04:31 +0800 | [diff] [blame] | 691 | return sysfs_emit(buf, "type=0x%x,eventid=0x%x\n", eattr->type, |
| 692 | eattr->eventid); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 693 | } |
| 694 | |
| 695 | static umode_t arm_cmn_event_attr_is_visible(struct kobject *kobj, |
| 696 | struct attribute *attr, |
| 697 | int unused) |
| 698 | { |
| 699 | struct device *dev = kobj_to_dev(kobj); |
| 700 | struct arm_cmn *cmn = to_cmn(dev_get_drvdata(dev)); |
| 701 | struct arm_cmn_event_attr *eattr; |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 702 | enum cmn_node_type type; |
| 703 | u16 eventid; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 704 | |
| 705 | eattr = container_of(attr, typeof(*eattr), attr.attr); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 706 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 707 | if (!(eattr->model & arm_cmn_model(cmn))) |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 708 | return 0; |
| 709 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 710 | type = eattr->type; |
| 711 | eventid = eattr->eventid; |
| 712 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 713 | /* Watchpoints aren't nodes, so avoid confusion */ |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 714 | if (type == CMN_TYPE_WP) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 715 | return attr->mode; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 716 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 717 | /* Hide XP events for unused interfaces/channels */ |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 718 | if (type == CMN_TYPE_XP) { |
| 719 | unsigned int intf = (eventid >> 2) & 7; |
| 720 | unsigned int chan = eventid >> 5; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 721 | |
| 722 | if ((intf & 4) && !(cmn->ports_used & BIT(intf & 3))) |
| 723 | return 0; |
| 724 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 725 | if (chan == 4 && cmn->part == PART_CMN600) |
Robin Murphy | 205295c | 2022-02-24 18:41:21 +0000 | [diff] [blame] | 726 | return 0; |
| 727 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 728 | if ((chan == 5 && cmn->rsp_vc_num < 2) || |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 729 | (chan == 6 && cmn->dat_vc_num < 2) || |
| 730 | (chan == 7 && cmn->snp_vc_num < 2) || |
| 731 | (chan == 8 && cmn->req_vc_num < 2)) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 732 | return 0; |
| 733 | } |
| 734 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 735 | /* Revision-specific differences */ |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 736 | if (cmn->part == PART_CMN600) { |
| 737 | if (cmn->rev < REV_CMN600_R1P3) { |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 738 | if (type == CMN_TYPE_CXRA && eventid > 0x10) |
| 739 | return 0; |
| 740 | } |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 741 | if (cmn->rev < REV_CMN600_R1P2) { |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 742 | if (type == CMN_TYPE_HNF && eventid == 0x1b) |
| 743 | return 0; |
| 744 | if (type == CMN_TYPE_CXRA || type == CMN_TYPE_CXHA) |
| 745 | return 0; |
| 746 | } |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 747 | } else if (cmn->part == PART_CMN650) { |
| 748 | if (cmn->rev < REV_CMN650_R2P0 || cmn->rev == REV_CMN650_R1P2) { |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 749 | if (type == CMN_TYPE_HNF && eventid > 0x22) |
| 750 | return 0; |
| 751 | if (type == CMN_TYPE_SBSX && eventid == 0x17) |
| 752 | return 0; |
| 753 | if (type == CMN_TYPE_RNI && eventid > 0x10) |
| 754 | return 0; |
| 755 | } |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 756 | } else if (cmn->part == PART_CMN700) { |
| 757 | if (cmn->rev < REV_CMN700_R2P0) { |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 758 | if (type == CMN_TYPE_HNF && eventid > 0x2c) |
| 759 | return 0; |
| 760 | if (type == CMN_TYPE_CCHA && eventid > 0x74) |
| 761 | return 0; |
| 762 | if (type == CMN_TYPE_CCLA && eventid > 0x27) |
| 763 | return 0; |
| 764 | } |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 765 | if (cmn->rev < REV_CMN700_R1P0) { |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 766 | if (type == CMN_TYPE_HNF && eventid > 0x2b) |
| 767 | return 0; |
| 768 | } |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 769 | } |
| 770 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 771 | if (!arm_cmn_node(cmn, type)) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 772 | return 0; |
| 773 | |
| 774 | return attr->mode; |
| 775 | } |
| 776 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 777 | #define _CMN_EVENT_DVM(_model, _name, _event, _occup, _fsel) \ |
| 778 | _CMN_EVENT_ATTR(_model, dn_##_name, CMN_TYPE_DVM, _event, _occup, _fsel) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 779 | #define CMN_EVENT_DTC(_name) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 780 | CMN_EVENT_ATTR(CMN_ANY, dtc_##_name, CMN_TYPE_DTC, 0) |
Robin Murphy | b1b7dc3 | 2023-07-07 17:38:12 +0100 | [diff] [blame] | 781 | #define CMN_EVENT_HNF(_model, _name, _event) \ |
| 782 | CMN_EVENT_ATTR(_model, hnf_##_name, CMN_TYPE_HNF, _event) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 783 | #define CMN_EVENT_HNI(_name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 784 | CMN_EVENT_ATTR(CMN_ANY, hni_##_name, CMN_TYPE_HNI, _event) |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 785 | #define CMN_EVENT_HNP(_name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 786 | CMN_EVENT_ATTR(CMN_ANY, hnp_##_name, CMN_TYPE_HNP, _event) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 787 | #define __CMN_EVENT_XP(_name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 788 | CMN_EVENT_ATTR(CMN_ANY, mxp_##_name, CMN_TYPE_XP, _event) |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 789 | #define CMN_EVENT_SBSX(_model, _name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 790 | CMN_EVENT_ATTR(_model, sbsx_##_name, CMN_TYPE_SBSX, _event) |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 791 | #define CMN_EVENT_RNID(_model, _name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 792 | CMN_EVENT_ATTR(_model, rnid_##_name, CMN_TYPE_RNI, _event) |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 793 | #define CMN_EVENT_MTSX(_name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 794 | CMN_EVENT_ATTR(CMN_ANY, mtsx_##_name, CMN_TYPE_MTSX, _event) |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 795 | #define CMN_EVENT_CXRA(_model, _name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 796 | CMN_EVENT_ATTR(_model, cxra_##_name, CMN_TYPE_CXRA, _event) |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 797 | #define CMN_EVENT_CXHA(_name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 798 | CMN_EVENT_ATTR(CMN_ANY, cxha_##_name, CMN_TYPE_CXHA, _event) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 799 | #define CMN_EVENT_CCRA(_name, _event) \ |
| 800 | CMN_EVENT_ATTR(CMN_ANY, ccra_##_name, CMN_TYPE_CCRA, _event) |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 801 | #define CMN_EVENT_CCHA(_model, _name, _event) \ |
| 802 | CMN_EVENT_ATTR(_model, ccha_##_name, CMN_TYPE_CCHA, _event) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 803 | #define CMN_EVENT_CCLA(_name, _event) \ |
| 804 | CMN_EVENT_ATTR(CMN_ANY, ccla_##_name, CMN_TYPE_CCLA, _event) |
| 805 | #define CMN_EVENT_CCLA_RNI(_name, _event) \ |
| 806 | CMN_EVENT_ATTR(CMN_ANY, ccla_rni_##_name, CMN_TYPE_CCLA_RNI, _event) |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 807 | #define CMN_EVENT_HNS(_name, _event) \ |
| 808 | CMN_EVENT_ATTR(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 809 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 810 | #define CMN_EVENT_DVM(_model, _name, _event) \ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 811 | _CMN_EVENT_DVM(_model, _name, _event, 0, SEL_NONE) |
| 812 | #define CMN_EVENT_DVM_OCC(_model, _name, _event) \ |
| 813 | _CMN_EVENT_DVM(_model, _name##_all, _event, 0, SEL_OCCUP1ID), \ |
| 814 | _CMN_EVENT_DVM(_model, _name##_dvmop, _event, 1, SEL_OCCUP1ID), \ |
| 815 | _CMN_EVENT_DVM(_model, _name##_dvmsync, _event, 2, SEL_OCCUP1ID) |
Robin Murphy | b1b7dc3 | 2023-07-07 17:38:12 +0100 | [diff] [blame] | 816 | |
| 817 | #define CMN_EVENT_HN_OCC(_model, _name, _type, _event) \ |
| 818 | _CMN_EVENT_ATTR(_model, _name##_all, _type, _event, 0, SEL_OCCUP1ID), \ |
| 819 | _CMN_EVENT_ATTR(_model, _name##_read, _type, _event, 1, SEL_OCCUP1ID), \ |
| 820 | _CMN_EVENT_ATTR(_model, _name##_write, _type, _event, 2, SEL_OCCUP1ID), \ |
| 821 | _CMN_EVENT_ATTR(_model, _name##_atomic, _type, _event, 3, SEL_OCCUP1ID), \ |
| 822 | _CMN_EVENT_ATTR(_model, _name##_stash, _type, _event, 4, SEL_OCCUP1ID) |
| 823 | #define CMN_EVENT_HN_CLS(_model, _name, _type, _event) \ |
| 824 | _CMN_EVENT_ATTR(_model, _name##_class0, _type, _event, 0, SEL_CLASS_OCCUP_ID), \ |
| 825 | _CMN_EVENT_ATTR(_model, _name##_class1, _type, _event, 1, SEL_CLASS_OCCUP_ID), \ |
| 826 | _CMN_EVENT_ATTR(_model, _name##_class2, _type, _event, 2, SEL_CLASS_OCCUP_ID), \ |
| 827 | _CMN_EVENT_ATTR(_model, _name##_class3, _type, _event, 3, SEL_CLASS_OCCUP_ID) |
| 828 | #define CMN_EVENT_HN_SNT(_model, _name, _type, _event) \ |
| 829 | _CMN_EVENT_ATTR(_model, _name##_all, _type, _event, 0, SEL_CBUSY_SNTHROTTLE_SEL), \ |
| 830 | _CMN_EVENT_ATTR(_model, _name##_group0_read, _type, _event, 1, SEL_CBUSY_SNTHROTTLE_SEL), \ |
| 831 | _CMN_EVENT_ATTR(_model, _name##_group0_write, _type, _event, 2, SEL_CBUSY_SNTHROTTLE_SEL), \ |
| 832 | _CMN_EVENT_ATTR(_model, _name##_group1_read, _type, _event, 3, SEL_CBUSY_SNTHROTTLE_SEL), \ |
| 833 | _CMN_EVENT_ATTR(_model, _name##_group1_write, _type, _event, 4, SEL_CBUSY_SNTHROTTLE_SEL), \ |
| 834 | _CMN_EVENT_ATTR(_model, _name##_read, _type, _event, 5, SEL_CBUSY_SNTHROTTLE_SEL), \ |
| 835 | _CMN_EVENT_ATTR(_model, _name##_write, _type, _event, 6, SEL_CBUSY_SNTHROTTLE_SEL) |
| 836 | |
| 837 | #define CMN_EVENT_HNF_OCC(_model, _name, _event) \ |
| 838 | CMN_EVENT_HN_OCC(_model, hnf_##_name, CMN_TYPE_HNF, _event) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 839 | #define CMN_EVENT_HNF_CLS(_model, _name, _event) \ |
Robin Murphy | 590f23b | 2023-11-23 11:58:13 +0000 | [diff] [blame] | 840 | CMN_EVENT_HN_CLS(_model, hnf_##_name, CMN_TYPE_HNF, _event) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 841 | #define CMN_EVENT_HNF_SNT(_model, _name, _event) \ |
Robin Murphy | b1b7dc3 | 2023-07-07 17:38:12 +0100 | [diff] [blame] | 842 | CMN_EVENT_HN_SNT(_model, hnf_##_name, CMN_TYPE_HNF, _event) |
| 843 | |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 844 | #define CMN_EVENT_HNS_OCC(_name, _event) \ |
| 845 | CMN_EVENT_HN_OCC(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event), \ |
| 846 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_rxsnp, CMN_TYPE_HNS, _event, 5, SEL_OCCUP1ID), \ |
| 847 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_lbt, CMN_TYPE_HNS, _event, 6, SEL_OCCUP1ID), \ |
| 848 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_hbt, CMN_TYPE_HNS, _event, 7, SEL_OCCUP1ID) |
| 849 | #define CMN_EVENT_HNS_CLS( _name, _event) \ |
| 850 | CMN_EVENT_HN_CLS(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event) |
| 851 | #define CMN_EVENT_HNS_SNT(_name, _event) \ |
| 852 | CMN_EVENT_HN_SNT(CMN_ANY, hns_##_name, CMN_TYPE_HNS, _event) |
| 853 | #define CMN_EVENT_HNS_HBT(_name, _event) \ |
| 854 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_all, CMN_TYPE_HNS, _event, 0, SEL_HBT_LBT_SEL), \ |
| 855 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_hbt, CMN_TYPE_HNS, _event, 1, SEL_HBT_LBT_SEL), \ |
| 856 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_lbt, CMN_TYPE_HNS, _event, 2, SEL_HBT_LBT_SEL) |
| 857 | #define CMN_EVENT_HNS_SNH(_name, _event) \ |
| 858 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_all, CMN_TYPE_HNS, _event, 0, SEL_SN_HOME_SEL), \ |
| 859 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_sn, CMN_TYPE_HNS, _event, 1, SEL_SN_HOME_SEL), \ |
| 860 | _CMN_EVENT_ATTR(CMN_ANY, hns_##_name##_home, CMN_TYPE_HNS, _event, 2, SEL_SN_HOME_SEL) |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 861 | |
Robin Murphy | 00df909 | 2023-07-07 17:38:11 +0100 | [diff] [blame] | 862 | #define _CMN_EVENT_XP_MESH(_name, _event) \ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 863 | __CMN_EVENT_XP(e_##_name, (_event) | (0 << 2)), \ |
| 864 | __CMN_EVENT_XP(w_##_name, (_event) | (1 << 2)), \ |
| 865 | __CMN_EVENT_XP(n_##_name, (_event) | (2 << 2)), \ |
Robin Murphy | 00df909 | 2023-07-07 17:38:11 +0100 | [diff] [blame] | 866 | __CMN_EVENT_XP(s_##_name, (_event) | (3 << 2)) |
| 867 | |
| 868 | #define _CMN_EVENT_XP_PORT(_name, _event) \ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 869 | __CMN_EVENT_XP(p0_##_name, (_event) | (4 << 2)), \ |
Robin Murphy | b2fea78 | 2021-12-03 11:45:02 +0000 | [diff] [blame] | 870 | __CMN_EVENT_XP(p1_##_name, (_event) | (5 << 2)), \ |
| 871 | __CMN_EVENT_XP(p2_##_name, (_event) | (6 << 2)), \ |
| 872 | __CMN_EVENT_XP(p3_##_name, (_event) | (7 << 2)) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 873 | |
Robin Murphy | 00df909 | 2023-07-07 17:38:11 +0100 | [diff] [blame] | 874 | #define _CMN_EVENT_XP(_name, _event) \ |
| 875 | _CMN_EVENT_XP_MESH(_name, _event), \ |
| 876 | _CMN_EVENT_XP_PORT(_name, _event) |
| 877 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 878 | /* Good thing there are only 3 fundamental XP events... */ |
| 879 | #define CMN_EVENT_XP(_name, _event) \ |
| 880 | _CMN_EVENT_XP(req_##_name, (_event) | (0 << 5)), \ |
| 881 | _CMN_EVENT_XP(rsp_##_name, (_event) | (1 << 5)), \ |
| 882 | _CMN_EVENT_XP(snp_##_name, (_event) | (2 << 5)), \ |
Robin Murphy | b2fea78 | 2021-12-03 11:45:02 +0000 | [diff] [blame] | 883 | _CMN_EVENT_XP(dat_##_name, (_event) | (3 << 5)), \ |
| 884 | _CMN_EVENT_XP(pub_##_name, (_event) | (4 << 5)), \ |
| 885 | _CMN_EVENT_XP(rsp2_##_name, (_event) | (5 << 5)), \ |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 886 | _CMN_EVENT_XP(dat2_##_name, (_event) | (6 << 5)), \ |
| 887 | _CMN_EVENT_XP(snp2_##_name, (_event) | (7 << 5)), \ |
| 888 | _CMN_EVENT_XP(req2_##_name, (_event) | (8 << 5)) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 889 | |
Robin Murphy | 00df909 | 2023-07-07 17:38:11 +0100 | [diff] [blame] | 890 | #define CMN_EVENT_XP_DAT(_name, _event) \ |
| 891 | _CMN_EVENT_XP_PORT(dat_##_name, (_event) | (3 << 5)), \ |
| 892 | _CMN_EVENT_XP_PORT(dat2_##_name, (_event) | (6 << 5)) |
| 893 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 894 | |
| 895 | static struct attribute *arm_cmn_event_attrs[] = { |
| 896 | CMN_EVENT_DTC(cycles), |
| 897 | |
| 898 | /* |
| 899 | * DVM node events conflict with HN-I events in the equivalent PMU |
| 900 | * slot, but our lazy short-cut of using the DTM counter index for |
| 901 | * the PMU index as well happens to avoid that by construction. |
| 902 | */ |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 903 | CMN_EVENT_DVM(CMN600, rxreq_dvmop, 0x01), |
| 904 | CMN_EVENT_DVM(CMN600, rxreq_dvmsync, 0x02), |
| 905 | CMN_EVENT_DVM(CMN600, rxreq_dvmop_vmid_filtered, 0x03), |
| 906 | CMN_EVENT_DVM(CMN600, rxreq_retried, 0x04), |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 907 | CMN_EVENT_DVM_OCC(CMN600, rxreq_trk_occupancy, 0x05), |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 908 | CMN_EVENT_DVM(NOT_CMN600, dvmop_tlbi, 0x01), |
| 909 | CMN_EVENT_DVM(NOT_CMN600, dvmop_bpi, 0x02), |
| 910 | CMN_EVENT_DVM(NOT_CMN600, dvmop_pici, 0x03), |
| 911 | CMN_EVENT_DVM(NOT_CMN600, dvmop_vici, 0x04), |
| 912 | CMN_EVENT_DVM(NOT_CMN600, dvmsync, 0x05), |
| 913 | CMN_EVENT_DVM(NOT_CMN600, vmid_filtered, 0x06), |
| 914 | CMN_EVENT_DVM(NOT_CMN600, rndop_filtered, 0x07), |
| 915 | CMN_EVENT_DVM(NOT_CMN600, retry, 0x08), |
| 916 | CMN_EVENT_DVM(NOT_CMN600, txsnp_flitv, 0x09), |
| 917 | CMN_EVENT_DVM(NOT_CMN600, txsnp_stall, 0x0a), |
| 918 | CMN_EVENT_DVM(NOT_CMN600, trkfull, 0x0b), |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 919 | CMN_EVENT_DVM_OCC(NOT_CMN600, trk_occupancy, 0x0c), |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 920 | CMN_EVENT_DVM_OCC(CMN700, trk_occupancy_cxha, 0x0d), |
| 921 | CMN_EVENT_DVM_OCC(CMN700, trk_occupancy_pdn, 0x0e), |
| 922 | CMN_EVENT_DVM(CMN700, trk_alloc, 0x0f), |
| 923 | CMN_EVENT_DVM(CMN700, trk_cxha_alloc, 0x10), |
| 924 | CMN_EVENT_DVM(CMN700, trk_pdn_alloc, 0x11), |
| 925 | CMN_EVENT_DVM(CMN700, txsnp_stall_limit, 0x12), |
| 926 | CMN_EVENT_DVM(CMN700, rxsnp_stall_starv, 0x13), |
| 927 | CMN_EVENT_DVM(CMN700, txsnp_sync_stall_op, 0x14), |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 928 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 929 | CMN_EVENT_HNF(CMN_ANY, cache_miss, 0x01), |
| 930 | CMN_EVENT_HNF(CMN_ANY, slc_sf_cache_access, 0x02), |
| 931 | CMN_EVENT_HNF(CMN_ANY, cache_fill, 0x03), |
| 932 | CMN_EVENT_HNF(CMN_ANY, pocq_retry, 0x04), |
| 933 | CMN_EVENT_HNF(CMN_ANY, pocq_reqs_recvd, 0x05), |
| 934 | CMN_EVENT_HNF(CMN_ANY, sf_hit, 0x06), |
| 935 | CMN_EVENT_HNF(CMN_ANY, sf_evictions, 0x07), |
| 936 | CMN_EVENT_HNF(CMN_ANY, dir_snoops_sent, 0x08), |
| 937 | CMN_EVENT_HNF(CMN_ANY, brd_snoops_sent, 0x09), |
| 938 | CMN_EVENT_HNF(CMN_ANY, slc_eviction, 0x0a), |
| 939 | CMN_EVENT_HNF(CMN_ANY, slc_fill_invalid_way, 0x0b), |
| 940 | CMN_EVENT_HNF(CMN_ANY, mc_retries, 0x0c), |
| 941 | CMN_EVENT_HNF(CMN_ANY, mc_reqs, 0x0d), |
| 942 | CMN_EVENT_HNF(CMN_ANY, qos_hh_retry, 0x0e), |
Robin Murphy | b1b7dc3 | 2023-07-07 17:38:12 +0100 | [diff] [blame] | 943 | CMN_EVENT_HNF_OCC(CMN_ANY, qos_pocq_occupancy, 0x0f), |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 944 | CMN_EVENT_HNF(CMN_ANY, pocq_addrhaz, 0x10), |
| 945 | CMN_EVENT_HNF(CMN_ANY, pocq_atomic_addrhaz, 0x11), |
| 946 | CMN_EVENT_HNF(CMN_ANY, ld_st_swp_adq_full, 0x12), |
| 947 | CMN_EVENT_HNF(CMN_ANY, cmp_adq_full, 0x13), |
| 948 | CMN_EVENT_HNF(CMN_ANY, txdat_stall, 0x14), |
| 949 | CMN_EVENT_HNF(CMN_ANY, txrsp_stall, 0x15), |
| 950 | CMN_EVENT_HNF(CMN_ANY, seq_full, 0x16), |
| 951 | CMN_EVENT_HNF(CMN_ANY, seq_hit, 0x17), |
| 952 | CMN_EVENT_HNF(CMN_ANY, snp_sent, 0x18), |
| 953 | CMN_EVENT_HNF(CMN_ANY, sfbi_dir_snp_sent, 0x19), |
| 954 | CMN_EVENT_HNF(CMN_ANY, sfbi_brd_snp_sent, 0x1a), |
| 955 | CMN_EVENT_HNF(CMN_ANY, snp_sent_untrk, 0x1b), |
| 956 | CMN_EVENT_HNF(CMN_ANY, intv_dirty, 0x1c), |
| 957 | CMN_EVENT_HNF(CMN_ANY, stash_snp_sent, 0x1d), |
| 958 | CMN_EVENT_HNF(CMN_ANY, stash_data_pull, 0x1e), |
| 959 | CMN_EVENT_HNF(CMN_ANY, snp_fwded, 0x1f), |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 960 | CMN_EVENT_HNF(NOT_CMN600, atomic_fwd, 0x20), |
| 961 | CMN_EVENT_HNF(NOT_CMN600, mpam_hardlim, 0x21), |
| 962 | CMN_EVENT_HNF(NOT_CMN600, mpam_softlim, 0x22), |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 963 | CMN_EVENT_HNF(CMN_650ON, snp_sent_cluster, 0x23), |
| 964 | CMN_EVENT_HNF(CMN_650ON, sf_imprecise_evict, 0x24), |
| 965 | CMN_EVENT_HNF(CMN_650ON, sf_evict_shared_line, 0x25), |
| 966 | CMN_EVENT_HNF_CLS(CMN700, pocq_class_occup, 0x26), |
| 967 | CMN_EVENT_HNF_CLS(CMN700, pocq_class_retry, 0x27), |
| 968 | CMN_EVENT_HNF_CLS(CMN700, class_mc_reqs, 0x28), |
| 969 | CMN_EVENT_HNF_CLS(CMN700, class_cgnt_cmin, 0x29), |
| 970 | CMN_EVENT_HNF_SNT(CMN700, sn_throttle, 0x2a), |
| 971 | CMN_EVENT_HNF_SNT(CMN700, sn_throttle_min, 0x2b), |
| 972 | CMN_EVENT_HNF(CMN700, sf_precise_to_imprecise, 0x2c), |
| 973 | CMN_EVENT_HNF(CMN700, snp_intv_cln, 0x2d), |
| 974 | CMN_EVENT_HNF(CMN700, nc_excl, 0x2e), |
| 975 | CMN_EVENT_HNF(CMN700, excl_mon_ovfl, 0x2f), |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 976 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 977 | CMN_EVENT_HNI(rrt_rd_occ_cnt_ovfl, 0x20), |
| 978 | CMN_EVENT_HNI(rrt_wr_occ_cnt_ovfl, 0x21), |
| 979 | CMN_EVENT_HNI(rdt_rd_occ_cnt_ovfl, 0x22), |
| 980 | CMN_EVENT_HNI(rdt_wr_occ_cnt_ovfl, 0x23), |
| 981 | CMN_EVENT_HNI(wdb_occ_cnt_ovfl, 0x24), |
| 982 | CMN_EVENT_HNI(rrt_rd_alloc, 0x25), |
| 983 | CMN_EVENT_HNI(rrt_wr_alloc, 0x26), |
| 984 | CMN_EVENT_HNI(rdt_rd_alloc, 0x27), |
| 985 | CMN_EVENT_HNI(rdt_wr_alloc, 0x28), |
| 986 | CMN_EVENT_HNI(wdb_alloc, 0x29), |
| 987 | CMN_EVENT_HNI(txrsp_retryack, 0x2a), |
| 988 | CMN_EVENT_HNI(arvalid_no_arready, 0x2b), |
| 989 | CMN_EVENT_HNI(arready_no_arvalid, 0x2c), |
| 990 | CMN_EVENT_HNI(awvalid_no_awready, 0x2d), |
| 991 | CMN_EVENT_HNI(awready_no_awvalid, 0x2e), |
| 992 | CMN_EVENT_HNI(wvalid_no_wready, 0x2f), |
| 993 | CMN_EVENT_HNI(txdat_stall, 0x30), |
| 994 | CMN_EVENT_HNI(nonpcie_serialization, 0x31), |
| 995 | CMN_EVENT_HNI(pcie_serialization, 0x32), |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 996 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 997 | /* |
| 998 | * HN-P events squat on top of the HN-I similarly to DVM events, except |
| 999 | * for being crammed into the same physical node as well. And of course |
| 1000 | * where would the fun be if the same events were in the same order... |
| 1001 | */ |
| 1002 | CMN_EVENT_HNP(rrt_wr_occ_cnt_ovfl, 0x01), |
| 1003 | CMN_EVENT_HNP(rdt_wr_occ_cnt_ovfl, 0x02), |
| 1004 | CMN_EVENT_HNP(wdb_occ_cnt_ovfl, 0x03), |
| 1005 | CMN_EVENT_HNP(rrt_wr_alloc, 0x04), |
| 1006 | CMN_EVENT_HNP(rdt_wr_alloc, 0x05), |
| 1007 | CMN_EVENT_HNP(wdb_alloc, 0x06), |
| 1008 | CMN_EVENT_HNP(awvalid_no_awready, 0x07), |
| 1009 | CMN_EVENT_HNP(awready_no_awvalid, 0x08), |
| 1010 | CMN_EVENT_HNP(wvalid_no_wready, 0x09), |
| 1011 | CMN_EVENT_HNP(rrt_rd_occ_cnt_ovfl, 0x11), |
| 1012 | CMN_EVENT_HNP(rdt_rd_occ_cnt_ovfl, 0x12), |
| 1013 | CMN_EVENT_HNP(rrt_rd_alloc, 0x13), |
| 1014 | CMN_EVENT_HNP(rdt_rd_alloc, 0x14), |
| 1015 | CMN_EVENT_HNP(arvalid_no_arready, 0x15), |
| 1016 | CMN_EVENT_HNP(arready_no_arvalid, 0x16), |
| 1017 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 1018 | CMN_EVENT_XP(txflit_valid, 0x01), |
| 1019 | CMN_EVENT_XP(txflit_stall, 0x02), |
Robin Murphy | 00df909 | 2023-07-07 17:38:11 +0100 | [diff] [blame] | 1020 | CMN_EVENT_XP_DAT(partial_dat_flit, 0x03), |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1021 | /* We treat watchpoints as a special made-up class of XP events */ |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1022 | CMN_EVENT_ATTR(CMN_ANY, watchpoint_up, CMN_TYPE_WP, CMN_WP_UP), |
| 1023 | CMN_EVENT_ATTR(CMN_ANY, watchpoint_down, CMN_TYPE_WP, CMN_WP_DOWN), |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1024 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 1025 | CMN_EVENT_SBSX(CMN_ANY, rd_req, 0x01), |
| 1026 | CMN_EVENT_SBSX(CMN_ANY, wr_req, 0x02), |
| 1027 | CMN_EVENT_SBSX(CMN_ANY, cmo_req, 0x03), |
| 1028 | CMN_EVENT_SBSX(CMN_ANY, txrsp_retryack, 0x04), |
| 1029 | CMN_EVENT_SBSX(CMN_ANY, txdat_flitv, 0x05), |
| 1030 | CMN_EVENT_SBSX(CMN_ANY, txrsp_flitv, 0x06), |
| 1031 | CMN_EVENT_SBSX(CMN_ANY, rd_req_trkr_occ_cnt_ovfl, 0x11), |
| 1032 | CMN_EVENT_SBSX(CMN_ANY, wr_req_trkr_occ_cnt_ovfl, 0x12), |
| 1033 | CMN_EVENT_SBSX(CMN_ANY, cmo_req_trkr_occ_cnt_ovfl, 0x13), |
| 1034 | CMN_EVENT_SBSX(CMN_ANY, wdb_occ_cnt_ovfl, 0x14), |
| 1035 | CMN_EVENT_SBSX(CMN_ANY, rd_axi_trkr_occ_cnt_ovfl, 0x15), |
| 1036 | CMN_EVENT_SBSX(CMN_ANY, cmo_axi_trkr_occ_cnt_ovfl, 0x16), |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 1037 | CMN_EVENT_SBSX(NOT_CMN600, rdb_occ_cnt_ovfl, 0x17), |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 1038 | CMN_EVENT_SBSX(CMN_ANY, arvalid_no_arready, 0x21), |
| 1039 | CMN_EVENT_SBSX(CMN_ANY, awvalid_no_awready, 0x22), |
| 1040 | CMN_EVENT_SBSX(CMN_ANY, wvalid_no_wready, 0x23), |
| 1041 | CMN_EVENT_SBSX(CMN_ANY, txdat_stall, 0x24), |
| 1042 | CMN_EVENT_SBSX(CMN_ANY, txrsp_stall, 0x25), |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1043 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 1044 | CMN_EVENT_RNID(CMN_ANY, s0_rdata_beats, 0x01), |
| 1045 | CMN_EVENT_RNID(CMN_ANY, s1_rdata_beats, 0x02), |
| 1046 | CMN_EVENT_RNID(CMN_ANY, s2_rdata_beats, 0x03), |
| 1047 | CMN_EVENT_RNID(CMN_ANY, rxdat_flits, 0x04), |
| 1048 | CMN_EVENT_RNID(CMN_ANY, txdat_flits, 0x05), |
| 1049 | CMN_EVENT_RNID(CMN_ANY, txreq_flits_total, 0x06), |
| 1050 | CMN_EVENT_RNID(CMN_ANY, txreq_flits_retried, 0x07), |
| 1051 | CMN_EVENT_RNID(CMN_ANY, rrt_occ_ovfl, 0x08), |
| 1052 | CMN_EVENT_RNID(CMN_ANY, wrt_occ_ovfl, 0x09), |
| 1053 | CMN_EVENT_RNID(CMN_ANY, txreq_flits_replayed, 0x0a), |
| 1054 | CMN_EVENT_RNID(CMN_ANY, wrcancel_sent, 0x0b), |
| 1055 | CMN_EVENT_RNID(CMN_ANY, s0_wdata_beats, 0x0c), |
| 1056 | CMN_EVENT_RNID(CMN_ANY, s1_wdata_beats, 0x0d), |
| 1057 | CMN_EVENT_RNID(CMN_ANY, s2_wdata_beats, 0x0e), |
| 1058 | CMN_EVENT_RNID(CMN_ANY, rrt_alloc, 0x0f), |
| 1059 | CMN_EVENT_RNID(CMN_ANY, wrt_alloc, 0x10), |
| 1060 | CMN_EVENT_RNID(CMN600, rdb_unord, 0x11), |
| 1061 | CMN_EVENT_RNID(CMN600, rdb_replay, 0x12), |
| 1062 | CMN_EVENT_RNID(CMN600, rdb_hybrid, 0x13), |
| 1063 | CMN_EVENT_RNID(CMN600, rdb_ord, 0x14), |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 1064 | CMN_EVENT_RNID(NOT_CMN600, padb_occ_ovfl, 0x11), |
| 1065 | CMN_EVENT_RNID(NOT_CMN600, rpdb_occ_ovfl, 0x12), |
| 1066 | CMN_EVENT_RNID(NOT_CMN600, rrt_occup_ovfl_slice1, 0x13), |
| 1067 | CMN_EVENT_RNID(NOT_CMN600, rrt_occup_ovfl_slice2, 0x14), |
| 1068 | CMN_EVENT_RNID(NOT_CMN600, rrt_occup_ovfl_slice3, 0x15), |
| 1069 | CMN_EVENT_RNID(NOT_CMN600, wrt_throttled, 0x16), |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1070 | CMN_EVENT_RNID(CMN700, ldb_full, 0x17), |
| 1071 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice0, 0x18), |
| 1072 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice1, 0x19), |
| 1073 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice2, 0x1a), |
| 1074 | CMN_EVENT_RNID(CMN700, rrt_rd_req_occup_ovfl_slice3, 0x1b), |
| 1075 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice0, 0x1c), |
| 1076 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice1, 0x1d), |
| 1077 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice2, 0x1e), |
| 1078 | CMN_EVENT_RNID(CMN700, rrt_burst_occup_ovfl_slice3, 0x1f), |
| 1079 | CMN_EVENT_RNID(CMN700, rrt_burst_alloc, 0x20), |
| 1080 | CMN_EVENT_RNID(CMN700, awid_hash, 0x21), |
| 1081 | CMN_EVENT_RNID(CMN700, atomic_alloc, 0x22), |
| 1082 | CMN_EVENT_RNID(CMN700, atomic_occ_ovfl, 0x23), |
Robin Murphy | b2fea78 | 2021-12-03 11:45:02 +0000 | [diff] [blame] | 1083 | |
| 1084 | CMN_EVENT_MTSX(tc_lookup, 0x01), |
| 1085 | CMN_EVENT_MTSX(tc_fill, 0x02), |
| 1086 | CMN_EVENT_MTSX(tc_miss, 0x03), |
| 1087 | CMN_EVENT_MTSX(tdb_forward, 0x04), |
| 1088 | CMN_EVENT_MTSX(tcq_hazard, 0x05), |
| 1089 | CMN_EVENT_MTSX(tcq_rd_alloc, 0x06), |
| 1090 | CMN_EVENT_MTSX(tcq_wr_alloc, 0x07), |
| 1091 | CMN_EVENT_MTSX(tcq_cmo_alloc, 0x08), |
| 1092 | CMN_EVENT_MTSX(axi_rd_req, 0x09), |
| 1093 | CMN_EVENT_MTSX(axi_wr_req, 0x0a), |
| 1094 | CMN_EVENT_MTSX(tcq_occ_cnt_ovfl, 0x0b), |
| 1095 | CMN_EVENT_MTSX(tdb_occ_cnt_ovfl, 0x0c), |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1096 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 1097 | CMN_EVENT_CXRA(CMN_ANY, rht_occ, 0x01), |
| 1098 | CMN_EVENT_CXRA(CMN_ANY, sht_occ, 0x02), |
| 1099 | CMN_EVENT_CXRA(CMN_ANY, rdb_occ, 0x03), |
| 1100 | CMN_EVENT_CXRA(CMN_ANY, wdb_occ, 0x04), |
| 1101 | CMN_EVENT_CXRA(CMN_ANY, ssb_occ, 0x05), |
| 1102 | CMN_EVENT_CXRA(CMN_ANY, snp_bcasts, 0x06), |
| 1103 | CMN_EVENT_CXRA(CMN_ANY, req_chains, 0x07), |
| 1104 | CMN_EVENT_CXRA(CMN_ANY, req_chain_avglen, 0x08), |
| 1105 | CMN_EVENT_CXRA(CMN_ANY, chirsp_stalls, 0x09), |
| 1106 | CMN_EVENT_CXRA(CMN_ANY, chidat_stalls, 0x0a), |
| 1107 | CMN_EVENT_CXRA(CMN_ANY, cxreq_pcrd_stalls_link0, 0x0b), |
| 1108 | CMN_EVENT_CXRA(CMN_ANY, cxreq_pcrd_stalls_link1, 0x0c), |
| 1109 | CMN_EVENT_CXRA(CMN_ANY, cxreq_pcrd_stalls_link2, 0x0d), |
| 1110 | CMN_EVENT_CXRA(CMN_ANY, cxdat_pcrd_stalls_link0, 0x0e), |
| 1111 | CMN_EVENT_CXRA(CMN_ANY, cxdat_pcrd_stalls_link1, 0x0f), |
| 1112 | CMN_EVENT_CXRA(CMN_ANY, cxdat_pcrd_stalls_link2, 0x10), |
| 1113 | CMN_EVENT_CXRA(CMN_ANY, external_chirsp_stalls, 0x11), |
| 1114 | CMN_EVENT_CXRA(CMN_ANY, external_chidat_stalls, 0x12), |
| 1115 | CMN_EVENT_CXRA(NOT_CMN600, cxmisc_pcrd_stalls_link0, 0x13), |
| 1116 | CMN_EVENT_CXRA(NOT_CMN600, cxmisc_pcrd_stalls_link1, 0x14), |
| 1117 | CMN_EVENT_CXRA(NOT_CMN600, cxmisc_pcrd_stalls_link2, 0x15), |
| 1118 | |
| 1119 | CMN_EVENT_CXHA(rddatbyp, 0x21), |
| 1120 | CMN_EVENT_CXHA(chirsp_up_stall, 0x22), |
| 1121 | CMN_EVENT_CXHA(chidat_up_stall, 0x23), |
| 1122 | CMN_EVENT_CXHA(snppcrd_link0_stall, 0x24), |
| 1123 | CMN_EVENT_CXHA(snppcrd_link1_stall, 0x25), |
| 1124 | CMN_EVENT_CXHA(snppcrd_link2_stall, 0x26), |
| 1125 | CMN_EVENT_CXHA(reqtrk_occ, 0x27), |
| 1126 | CMN_EVENT_CXHA(rdb_occ, 0x28), |
| 1127 | CMN_EVENT_CXHA(rdbyp_occ, 0x29), |
| 1128 | CMN_EVENT_CXHA(wdb_occ, 0x2a), |
| 1129 | CMN_EVENT_CXHA(snptrk_occ, 0x2b), |
| 1130 | CMN_EVENT_CXHA(sdb_occ, 0x2c), |
| 1131 | CMN_EVENT_CXHA(snphaz_occ, 0x2d), |
| 1132 | |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1133 | CMN_EVENT_CCRA(rht_occ, 0x41), |
| 1134 | CMN_EVENT_CCRA(sht_occ, 0x42), |
| 1135 | CMN_EVENT_CCRA(rdb_occ, 0x43), |
| 1136 | CMN_EVENT_CCRA(wdb_occ, 0x44), |
| 1137 | CMN_EVENT_CCRA(ssb_occ, 0x45), |
| 1138 | CMN_EVENT_CCRA(snp_bcasts, 0x46), |
| 1139 | CMN_EVENT_CCRA(req_chains, 0x47), |
| 1140 | CMN_EVENT_CCRA(req_chain_avglen, 0x48), |
| 1141 | CMN_EVENT_CCRA(chirsp_stalls, 0x49), |
| 1142 | CMN_EVENT_CCRA(chidat_stalls, 0x4a), |
| 1143 | CMN_EVENT_CCRA(cxreq_pcrd_stalls_link0, 0x4b), |
| 1144 | CMN_EVENT_CCRA(cxreq_pcrd_stalls_link1, 0x4c), |
| 1145 | CMN_EVENT_CCRA(cxreq_pcrd_stalls_link2, 0x4d), |
| 1146 | CMN_EVENT_CCRA(cxdat_pcrd_stalls_link0, 0x4e), |
| 1147 | CMN_EVENT_CCRA(cxdat_pcrd_stalls_link1, 0x4f), |
| 1148 | CMN_EVENT_CCRA(cxdat_pcrd_stalls_link2, 0x50), |
| 1149 | CMN_EVENT_CCRA(external_chirsp_stalls, 0x51), |
| 1150 | CMN_EVENT_CCRA(external_chidat_stalls, 0x52), |
| 1151 | CMN_EVENT_CCRA(cxmisc_pcrd_stalls_link0, 0x53), |
| 1152 | CMN_EVENT_CCRA(cxmisc_pcrd_stalls_link1, 0x54), |
| 1153 | CMN_EVENT_CCRA(cxmisc_pcrd_stalls_link2, 0x55), |
| 1154 | CMN_EVENT_CCRA(rht_alloc, 0x56), |
| 1155 | CMN_EVENT_CCRA(sht_alloc, 0x57), |
| 1156 | CMN_EVENT_CCRA(rdb_alloc, 0x58), |
| 1157 | CMN_EVENT_CCRA(wdb_alloc, 0x59), |
| 1158 | CMN_EVENT_CCRA(ssb_alloc, 0x5a), |
| 1159 | |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 1160 | CMN_EVENT_CCHA(CMN_ANY, rddatbyp, 0x61), |
| 1161 | CMN_EVENT_CCHA(CMN_ANY, chirsp_up_stall, 0x62), |
| 1162 | CMN_EVENT_CCHA(CMN_ANY, chidat_up_stall, 0x63), |
| 1163 | CMN_EVENT_CCHA(CMN_ANY, snppcrd_link0_stall, 0x64), |
| 1164 | CMN_EVENT_CCHA(CMN_ANY, snppcrd_link1_stall, 0x65), |
| 1165 | CMN_EVENT_CCHA(CMN_ANY, snppcrd_link2_stall, 0x66), |
| 1166 | CMN_EVENT_CCHA(CMN_ANY, reqtrk_occ, 0x67), |
| 1167 | CMN_EVENT_CCHA(CMN_ANY, rdb_occ, 0x68), |
| 1168 | CMN_EVENT_CCHA(CMN_ANY, rdbyp_occ, 0x69), |
| 1169 | CMN_EVENT_CCHA(CMN_ANY, wdb_occ, 0x6a), |
| 1170 | CMN_EVENT_CCHA(CMN_ANY, snptrk_occ, 0x6b), |
| 1171 | CMN_EVENT_CCHA(CMN_ANY, sdb_occ, 0x6c), |
| 1172 | CMN_EVENT_CCHA(CMN_ANY, snphaz_occ, 0x6d), |
| 1173 | CMN_EVENT_CCHA(CMN_ANY, reqtrk_alloc, 0x6e), |
| 1174 | CMN_EVENT_CCHA(CMN_ANY, rdb_alloc, 0x6f), |
| 1175 | CMN_EVENT_CCHA(CMN_ANY, rdbyp_alloc, 0x70), |
| 1176 | CMN_EVENT_CCHA(CMN_ANY, wdb_alloc, 0x71), |
| 1177 | CMN_EVENT_CCHA(CMN_ANY, snptrk_alloc, 0x72), |
| 1178 | CMN_EVENT_CCHA(CMN_ANY, db_alloc, 0x73), |
| 1179 | CMN_EVENT_CCHA(CMN_ANY, snphaz_alloc, 0x74), |
| 1180 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_req_occ, 0x75), |
| 1181 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_req_alloc, 0x76), |
| 1182 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_pcie_req_occ, 0x77), |
| 1183 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_pcie_req_alloc, 0x78), |
| 1184 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_wr_req_occ, 0x79), |
| 1185 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_wr_req_alloc, 0x7a), |
| 1186 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_reg_req_occ, 0x7b), |
| 1187 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_reg_req_alloc, 0x7c), |
| 1188 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_rsvd_req_occ, 0x7d), |
| 1189 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_rsvd_req_alloc, 0x7e), |
| 1190 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_dat_occ, 0x7f), |
| 1191 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_dat_alloc, 0x80), |
| 1192 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_pcie_dat_occ, 0x81), |
| 1193 | CMN_EVENT_CCHA(CMN_ANY, pb_rhu_pcie_dat_alloc, 0x82), |
| 1194 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_wr_dat_occ, 0x83), |
| 1195 | CMN_EVENT_CCHA(CMN_ANY, pb_pcie_wr_dat_alloc, 0x84), |
| 1196 | CMN_EVENT_CCHA(CMNS3, chirsp1_up_stall, 0x85), |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1197 | |
| 1198 | CMN_EVENT_CCLA(rx_cxs, 0x21), |
| 1199 | CMN_EVENT_CCLA(tx_cxs, 0x22), |
| 1200 | CMN_EVENT_CCLA(rx_cxs_avg_size, 0x23), |
| 1201 | CMN_EVENT_CCLA(tx_cxs_avg_size, 0x24), |
| 1202 | CMN_EVENT_CCLA(tx_cxs_lcrd_backpressure, 0x25), |
| 1203 | CMN_EVENT_CCLA(link_crdbuf_occ, 0x26), |
| 1204 | CMN_EVENT_CCLA(link_crdbuf_alloc, 0x27), |
| 1205 | CMN_EVENT_CCLA(pfwd_rcvr_cxs, 0x28), |
| 1206 | CMN_EVENT_CCLA(pfwd_sndr_num_flits, 0x29), |
| 1207 | CMN_EVENT_CCLA(pfwd_sndr_stalls_static_crd, 0x2a), |
| 1208 | CMN_EVENT_CCLA(pfwd_sndr_stalls_dynmaic_crd, 0x2b), |
| 1209 | |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 1210 | CMN_EVENT_HNS_HBT(cache_miss, 0x01), |
| 1211 | CMN_EVENT_HNS_HBT(slc_sf_cache_access, 0x02), |
| 1212 | CMN_EVENT_HNS_HBT(cache_fill, 0x03), |
| 1213 | CMN_EVENT_HNS_HBT(pocq_retry, 0x04), |
| 1214 | CMN_EVENT_HNS_HBT(pocq_reqs_recvd, 0x05), |
| 1215 | CMN_EVENT_HNS_HBT(sf_hit, 0x06), |
| 1216 | CMN_EVENT_HNS_HBT(sf_evictions, 0x07), |
| 1217 | CMN_EVENT_HNS(dir_snoops_sent, 0x08), |
| 1218 | CMN_EVENT_HNS(brd_snoops_sent, 0x09), |
| 1219 | CMN_EVENT_HNS_HBT(slc_eviction, 0x0a), |
| 1220 | CMN_EVENT_HNS_HBT(slc_fill_invalid_way, 0x0b), |
| 1221 | CMN_EVENT_HNS(mc_retries_local, 0x0c), |
| 1222 | CMN_EVENT_HNS_SNH(mc_reqs_local, 0x0d), |
| 1223 | CMN_EVENT_HNS(qos_hh_retry, 0x0e), |
| 1224 | CMN_EVENT_HNS_OCC(qos_pocq_occupancy, 0x0f), |
| 1225 | CMN_EVENT_HNS(pocq_addrhaz, 0x10), |
| 1226 | CMN_EVENT_HNS(pocq_atomic_addrhaz, 0x11), |
| 1227 | CMN_EVENT_HNS(ld_st_swp_adq_full, 0x12), |
| 1228 | CMN_EVENT_HNS(cmp_adq_full, 0x13), |
| 1229 | CMN_EVENT_HNS(txdat_stall, 0x14), |
| 1230 | CMN_EVENT_HNS(txrsp_stall, 0x15), |
| 1231 | CMN_EVENT_HNS(seq_full, 0x16), |
| 1232 | CMN_EVENT_HNS(seq_hit, 0x17), |
| 1233 | CMN_EVENT_HNS(snp_sent, 0x18), |
| 1234 | CMN_EVENT_HNS(sfbi_dir_snp_sent, 0x19), |
| 1235 | CMN_EVENT_HNS(sfbi_brd_snp_sent, 0x1a), |
| 1236 | CMN_EVENT_HNS(intv_dirty, 0x1c), |
| 1237 | CMN_EVENT_HNS(stash_snp_sent, 0x1d), |
| 1238 | CMN_EVENT_HNS(stash_data_pull, 0x1e), |
| 1239 | CMN_EVENT_HNS(snp_fwded, 0x1f), |
| 1240 | CMN_EVENT_HNS(atomic_fwd, 0x20), |
| 1241 | CMN_EVENT_HNS(mpam_hardlim, 0x21), |
| 1242 | CMN_EVENT_HNS(mpam_softlim, 0x22), |
| 1243 | CMN_EVENT_HNS(snp_sent_cluster, 0x23), |
| 1244 | CMN_EVENT_HNS(sf_imprecise_evict, 0x24), |
| 1245 | CMN_EVENT_HNS(sf_evict_shared_line, 0x25), |
| 1246 | CMN_EVENT_HNS_CLS(pocq_class_occup, 0x26), |
| 1247 | CMN_EVENT_HNS_CLS(pocq_class_retry, 0x27), |
| 1248 | CMN_EVENT_HNS_CLS(class_mc_reqs_local, 0x28), |
| 1249 | CMN_EVENT_HNS_CLS(class_cgnt_cmin, 0x29), |
| 1250 | CMN_EVENT_HNS_SNT(sn_throttle, 0x2a), |
| 1251 | CMN_EVENT_HNS_SNT(sn_throttle_min, 0x2b), |
| 1252 | CMN_EVENT_HNS(sf_precise_to_imprecise, 0x2c), |
| 1253 | CMN_EVENT_HNS(snp_intv_cln, 0x2d), |
| 1254 | CMN_EVENT_HNS(nc_excl, 0x2e), |
| 1255 | CMN_EVENT_HNS(excl_mon_ovfl, 0x2f), |
| 1256 | CMN_EVENT_HNS(snp_req_recvd, 0x30), |
| 1257 | CMN_EVENT_HNS(snp_req_byp_pocq, 0x31), |
| 1258 | CMN_EVENT_HNS(dir_ccgha_snp_sent, 0x32), |
| 1259 | CMN_EVENT_HNS(brd_ccgha_snp_sent, 0x33), |
| 1260 | CMN_EVENT_HNS(ccgha_snp_stall, 0x34), |
| 1261 | CMN_EVENT_HNS(lbt_req_hardlim, 0x35), |
| 1262 | CMN_EVENT_HNS(hbt_req_hardlim, 0x36), |
| 1263 | CMN_EVENT_HNS(sf_reupdate, 0x37), |
| 1264 | CMN_EVENT_HNS(excl_sf_imprecise, 0x38), |
| 1265 | CMN_EVENT_HNS(snp_pocq_addrhaz, 0x39), |
| 1266 | CMN_EVENT_HNS(mc_retries_remote, 0x3a), |
| 1267 | CMN_EVENT_HNS_SNH(mc_reqs_remote, 0x3b), |
| 1268 | CMN_EVENT_HNS_CLS(class_mc_reqs_remote, 0x3c), |
| 1269 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1270 | NULL |
| 1271 | }; |
| 1272 | |
| 1273 | static const struct attribute_group arm_cmn_event_attrs_group = { |
| 1274 | .name = "events", |
| 1275 | .attrs = arm_cmn_event_attrs, |
| 1276 | .is_visible = arm_cmn_event_attr_is_visible, |
| 1277 | }; |
| 1278 | |
| 1279 | static ssize_t arm_cmn_format_show(struct device *dev, |
| 1280 | struct device_attribute *attr, char *buf) |
| 1281 | { |
| 1282 | struct arm_cmn_format_attr *fmt = container_of(attr, typeof(*fmt), attr); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1283 | |
| 1284 | if (!fmt->config) |
Robin Murphy | f32efa3 | 2024-09-04 19:41:55 +0100 | [diff] [blame] | 1285 | return sysfs_emit(buf, "config:%*pbl\n", 64, &fmt->field); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1286 | |
Robin Murphy | f32efa3 | 2024-09-04 19:41:55 +0100 | [diff] [blame] | 1287 | return sysfs_emit(buf, "config%d:%*pbl\n", fmt->config, 64, &fmt->field); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1288 | } |
| 1289 | |
| 1290 | #define _CMN_FORMAT_ATTR(_name, _cfg, _fld) \ |
| 1291 | (&((struct arm_cmn_format_attr[]) {{ \ |
| 1292 | .attr = __ATTR(_name, 0444, arm_cmn_format_show, NULL), \ |
| 1293 | .config = _cfg, \ |
| 1294 | .field = _fld, \ |
| 1295 | }})[0].attr.attr) |
| 1296 | #define CMN_FORMAT_ATTR(_name, _fld) _CMN_FORMAT_ATTR(_name, 0, _fld) |
| 1297 | |
| 1298 | static struct attribute *arm_cmn_format_attrs[] = { |
| 1299 | CMN_FORMAT_ATTR(type, CMN_CONFIG_TYPE), |
| 1300 | CMN_FORMAT_ATTR(eventid, CMN_CONFIG_EVENTID), |
| 1301 | CMN_FORMAT_ATTR(occupid, CMN_CONFIG_OCCUPID), |
| 1302 | CMN_FORMAT_ATTR(bynodeid, CMN_CONFIG_BYNODEID), |
| 1303 | CMN_FORMAT_ATTR(nodeid, CMN_CONFIG_NODEID), |
| 1304 | |
| 1305 | CMN_FORMAT_ATTR(wp_dev_sel, CMN_CONFIG_WP_DEV_SEL), |
| 1306 | CMN_FORMAT_ATTR(wp_chn_sel, CMN_CONFIG_WP_CHN_SEL), |
| 1307 | CMN_FORMAT_ATTR(wp_grp, CMN_CONFIG_WP_GRP), |
| 1308 | CMN_FORMAT_ATTR(wp_exclusive, CMN_CONFIG_WP_EXCLUSIVE), |
| 1309 | CMN_FORMAT_ATTR(wp_combine, CMN_CONFIG_WP_COMBINE), |
| 1310 | |
| 1311 | _CMN_FORMAT_ATTR(wp_val, 1, CMN_CONFIG1_WP_VAL), |
| 1312 | _CMN_FORMAT_ATTR(wp_mask, 2, CMN_CONFIG2_WP_MASK), |
| 1313 | |
| 1314 | NULL |
| 1315 | }; |
| 1316 | |
| 1317 | static const struct attribute_group arm_cmn_format_attrs_group = { |
| 1318 | .name = "format", |
| 1319 | .attrs = arm_cmn_format_attrs, |
| 1320 | }; |
| 1321 | |
| 1322 | static ssize_t arm_cmn_cpumask_show(struct device *dev, |
| 1323 | struct device_attribute *attr, char *buf) |
| 1324 | { |
| 1325 | struct arm_cmn *cmn = to_cmn(dev_get_drvdata(dev)); |
| 1326 | |
| 1327 | return cpumap_print_to_pagebuf(true, buf, cpumask_of(cmn->cpu)); |
| 1328 | } |
| 1329 | |
| 1330 | static struct device_attribute arm_cmn_cpumask_attr = |
| 1331 | __ATTR(cpumask, 0444, arm_cmn_cpumask_show, NULL); |
| 1332 | |
Robin Murphy | a1c45d3 | 2023-06-12 18:16:33 +0100 | [diff] [blame] | 1333 | static ssize_t arm_cmn_identifier_show(struct device *dev, |
| 1334 | struct device_attribute *attr, char *buf) |
| 1335 | { |
| 1336 | struct arm_cmn *cmn = to_cmn(dev_get_drvdata(dev)); |
| 1337 | |
| 1338 | return sysfs_emit(buf, "%03x%02x\n", cmn->part, cmn->rev); |
| 1339 | } |
| 1340 | |
| 1341 | static struct device_attribute arm_cmn_identifier_attr = |
| 1342 | __ATTR(identifier, 0444, arm_cmn_identifier_show, NULL); |
| 1343 | |
| 1344 | static struct attribute *arm_cmn_other_attrs[] = { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1345 | &arm_cmn_cpumask_attr.attr, |
Robin Murphy | a1c45d3 | 2023-06-12 18:16:33 +0100 | [diff] [blame] | 1346 | &arm_cmn_identifier_attr.attr, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1347 | NULL, |
| 1348 | }; |
| 1349 | |
Robin Murphy | a1c45d3 | 2023-06-12 18:16:33 +0100 | [diff] [blame] | 1350 | static const struct attribute_group arm_cmn_other_attrs_group = { |
| 1351 | .attrs = arm_cmn_other_attrs, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1352 | }; |
| 1353 | |
| 1354 | static const struct attribute_group *arm_cmn_attr_groups[] = { |
| 1355 | &arm_cmn_event_attrs_group, |
| 1356 | &arm_cmn_format_attrs_group, |
Robin Murphy | a1c45d3 | 2023-06-12 18:16:33 +0100 | [diff] [blame] | 1357 | &arm_cmn_other_attrs_group, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1358 | NULL |
| 1359 | }; |
| 1360 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1361 | static int arm_cmn_find_free_wp_idx(struct arm_cmn_dtm *dtm, |
| 1362 | struct perf_event *event) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1363 | { |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1364 | int wp_idx = CMN_EVENT_EVENTID(event); |
| 1365 | |
| 1366 | if (dtm->wp_event[wp_idx] >= 0) |
| 1367 | if (dtm->wp_event[++wp_idx] >= 0) |
| 1368 | return -ENOSPC; |
| 1369 | |
| 1370 | return wp_idx; |
| 1371 | } |
| 1372 | |
| 1373 | static int arm_cmn_get_assigned_wp_idx(struct perf_event *event, |
| 1374 | struct arm_cmn_hw_event *hw, |
| 1375 | unsigned int pos) |
| 1376 | { |
| 1377 | return CMN_EVENT_EVENTID(event) + arm_cmn_get_wp_idx(hw->wp_idx, pos); |
| 1378 | } |
| 1379 | |
| 1380 | static void arm_cmn_claim_wp_idx(struct arm_cmn_dtm *dtm, |
| 1381 | struct perf_event *event, |
| 1382 | unsigned int dtc, int wp_idx, |
| 1383 | unsigned int pos) |
| 1384 | { |
| 1385 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1386 | |
| 1387 | dtm->wp_event[wp_idx] = hw->dtc_idx[dtc]; |
| 1388 | arm_cmn_set_wp_idx(hw->wp_idx, pos, wp_idx - CMN_EVENT_EVENTID(event)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1389 | } |
| 1390 | |
Ilkka Koskinen | f9a7a91 | 2024-06-17 17:50:56 -0700 | [diff] [blame] | 1391 | static u32 arm_cmn_wp_config(struct perf_event *event, int wp_idx) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1392 | { |
| 1393 | u32 config; |
| 1394 | u32 dev = CMN_EVENT_WP_DEV_SEL(event); |
| 1395 | u32 chn = CMN_EVENT_WP_CHN_SEL(event); |
| 1396 | u32 grp = CMN_EVENT_WP_GRP(event); |
| 1397 | u32 exc = CMN_EVENT_WP_EXCLUSIVE(event); |
| 1398 | u32 combine = CMN_EVENT_WP_COMBINE(event); |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 1399 | bool is_cmn600 = to_cmn(event->pmu)->part == PART_CMN600; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1400 | |
Ilkka Koskinen | f9a7a91 | 2024-06-17 17:50:56 -0700 | [diff] [blame] | 1401 | /* CMN-600 supports only primary and secondary matching groups */ |
| 1402 | if (is_cmn600) |
| 1403 | grp &= 1; |
| 1404 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1405 | config = FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_DEV_SEL, dev) | |
| 1406 | FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_CHN_SEL, chn) | |
| 1407 | FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_GRP, grp) | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1408 | FIELD_PREP(CMN_DTM_WPn_CONFIG_WP_DEV_SEL2, dev >> 1); |
Robin Murphy | 31fac56 | 2022-02-24 18:41:22 +0000 | [diff] [blame] | 1409 | if (exc) |
| 1410 | config |= is_cmn600 ? CMN600_WPn_CONFIG_WP_EXCLUSIVE : |
| 1411 | CMN_DTM_WPn_CONFIG_WP_EXCLUSIVE; |
Ilkka Koskinen | f9a7a91 | 2024-06-17 17:50:56 -0700 | [diff] [blame] | 1412 | |
| 1413 | /* wp_combine is available only on WP0 and WP2 */ |
| 1414 | if (combine && !(wp_idx & 0x1)) |
Robin Murphy | 31fac56 | 2022-02-24 18:41:22 +0000 | [diff] [blame] | 1415 | config |= is_cmn600 ? CMN600_WPn_CONFIG_WP_COMBINE : |
| 1416 | CMN_DTM_WPn_CONFIG_WP_COMBINE; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1417 | return config; |
| 1418 | } |
| 1419 | |
| 1420 | static void arm_cmn_set_state(struct arm_cmn *cmn, u32 state) |
| 1421 | { |
| 1422 | if (!cmn->state) |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1423 | writel_relaxed(0, CMN_DT_PMCR(&cmn->dtc[0])); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1424 | cmn->state |= state; |
| 1425 | } |
| 1426 | |
| 1427 | static void arm_cmn_clear_state(struct arm_cmn *cmn, u32 state) |
| 1428 | { |
| 1429 | cmn->state &= ~state; |
| 1430 | if (!cmn->state) |
| 1431 | writel_relaxed(CMN_DT_PMCR_PMU_EN | CMN_DT_PMCR_OVFL_INTR_EN, |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1432 | CMN_DT_PMCR(&cmn->dtc[0])); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1433 | } |
| 1434 | |
| 1435 | static void arm_cmn_pmu_enable(struct pmu *pmu) |
| 1436 | { |
| 1437 | arm_cmn_clear_state(to_cmn(pmu), CMN_STATE_DISABLED); |
| 1438 | } |
| 1439 | |
| 1440 | static void arm_cmn_pmu_disable(struct pmu *pmu) |
| 1441 | { |
| 1442 | arm_cmn_set_state(to_cmn(pmu), CMN_STATE_DISABLED); |
| 1443 | } |
| 1444 | |
| 1445 | static u64 arm_cmn_read_dtm(struct arm_cmn *cmn, struct arm_cmn_hw_event *hw, |
| 1446 | bool snapshot) |
| 1447 | { |
Robin Murphy | 847eef9 | 2021-12-03 11:44:56 +0000 | [diff] [blame] | 1448 | struct arm_cmn_dtm *dtm = NULL; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1449 | struct arm_cmn_node *dn; |
Robin Murphy | 847eef9 | 2021-12-03 11:44:56 +0000 | [diff] [blame] | 1450 | unsigned int i, offset, dtm_idx; |
| 1451 | u64 reg, count = 0; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1452 | |
| 1453 | offset = snapshot ? CMN_DTM_PMEVCNTSR : CMN_DTM_PMEVCNT; |
| 1454 | for_each_hw_dn(hw, dn, i) { |
Robin Murphy | 847eef9 | 2021-12-03 11:44:56 +0000 | [diff] [blame] | 1455 | if (dtm != &cmn->dtms[dn->dtm]) { |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1456 | dtm = &cmn->dtms[dn->dtm] + hw->dtm_offset; |
Robin Murphy | 847eef9 | 2021-12-03 11:44:56 +0000 | [diff] [blame] | 1457 | reg = readq_relaxed(dtm->base + offset); |
| 1458 | } |
| 1459 | dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); |
| 1460 | count += (u16)(reg >> (dtm_idx * 16)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1461 | } |
| 1462 | return count; |
| 1463 | } |
| 1464 | |
| 1465 | static u64 arm_cmn_read_cc(struct arm_cmn_dtc *dtc) |
| 1466 | { |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1467 | void __iomem *pmccntr = CMN_DT_PMCCNTR(dtc); |
| 1468 | u64 val = readq_relaxed(pmccntr); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1469 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1470 | writeq_relaxed(CMN_CC_INIT, pmccntr); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1471 | return (val - CMN_CC_INIT) & ((CMN_CC_INIT << 1) - 1); |
| 1472 | } |
| 1473 | |
| 1474 | static u32 arm_cmn_read_counter(struct arm_cmn_dtc *dtc, int idx) |
| 1475 | { |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1476 | void __iomem *pmevcnt = CMN_DT_PMEVCNT(dtc, idx); |
| 1477 | u32 val = readl_relaxed(pmevcnt); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1478 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1479 | writel_relaxed(CMN_COUNTER_INIT, pmevcnt); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1480 | return val - CMN_COUNTER_INIT; |
| 1481 | } |
| 1482 | |
| 1483 | static void arm_cmn_init_counter(struct perf_event *event) |
| 1484 | { |
| 1485 | struct arm_cmn *cmn = to_cmn(event->pmu); |
| 1486 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1487 | u64 count; |
| 1488 | |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1489 | for_each_hw_dtc_idx(hw, i, idx) { |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1490 | writel_relaxed(CMN_COUNTER_INIT, CMN_DT_PMEVCNT(&cmn->dtc[i], idx)); |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1491 | cmn->dtc[i].counters[idx] = event; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1492 | } |
| 1493 | |
| 1494 | count = arm_cmn_read_dtm(cmn, hw, false); |
| 1495 | local64_set(&event->hw.prev_count, count); |
| 1496 | } |
| 1497 | |
| 1498 | static void arm_cmn_event_read(struct perf_event *event) |
| 1499 | { |
| 1500 | struct arm_cmn *cmn = to_cmn(event->pmu); |
| 1501 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1502 | u64 delta, new, prev; |
| 1503 | unsigned long flags; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1504 | |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1505 | if (CMN_EVENT_TYPE(event) == CMN_TYPE_DTC) { |
| 1506 | delta = arm_cmn_read_cc(cmn->dtc + hw->dtc_idx[0]); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1507 | local64_add(delta, &event->count); |
| 1508 | return; |
| 1509 | } |
| 1510 | new = arm_cmn_read_dtm(cmn, hw, false); |
| 1511 | prev = local64_xchg(&event->hw.prev_count, new); |
| 1512 | |
| 1513 | delta = new - prev; |
| 1514 | |
| 1515 | local_irq_save(flags); |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1516 | for_each_hw_dtc_idx(hw, i, idx) { |
| 1517 | new = arm_cmn_read_counter(cmn->dtc + i, idx); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1518 | delta += new << 16; |
| 1519 | } |
| 1520 | local_irq_restore(flags); |
| 1521 | local64_add(delta, &event->count); |
| 1522 | } |
| 1523 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1524 | static int arm_cmn_set_event_sel_hi(struct arm_cmn_node *dn, |
| 1525 | enum cmn_filter_select fsel, u8 occupid) |
| 1526 | { |
| 1527 | u64 reg; |
| 1528 | |
| 1529 | if (fsel == SEL_NONE) |
| 1530 | return 0; |
| 1531 | |
| 1532 | if (!dn->occupid[fsel].count) { |
| 1533 | dn->occupid[fsel].val = occupid; |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1534 | reg = FIELD_PREP(CMN__PMU_CBUSY_SNTHROTTLE_SEL, |
| 1535 | dn->occupid[SEL_CBUSY_SNTHROTTLE_SEL].val) | |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 1536 | FIELD_PREP(CMN__PMU_SN_HOME_SEL, |
| 1537 | dn->occupid[SEL_SN_HOME_SEL].val) | |
| 1538 | FIELD_PREP(CMN__PMU_HBT_LBT_SEL, |
| 1539 | dn->occupid[SEL_HBT_LBT_SEL].val) | |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1540 | FIELD_PREP(CMN__PMU_CLASS_OCCUP_ID, |
| 1541 | dn->occupid[SEL_CLASS_OCCUP_ID].val) | |
| 1542 | FIELD_PREP(CMN__PMU_OCCUP1_ID, |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1543 | dn->occupid[SEL_OCCUP1ID].val); |
| 1544 | writel_relaxed(reg >> 32, dn->pmu_base + CMN_PMU_EVENT_SEL + 4); |
| 1545 | } else if (dn->occupid[fsel].val != occupid) { |
| 1546 | return -EBUSY; |
| 1547 | } |
| 1548 | dn->occupid[fsel].count++; |
| 1549 | return 0; |
| 1550 | } |
| 1551 | |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1552 | static void arm_cmn_set_event_sel_lo(struct arm_cmn_node *dn, int dtm_idx, |
| 1553 | int eventid, bool wide_sel) |
| 1554 | { |
| 1555 | if (wide_sel) { |
| 1556 | dn->event_w[dtm_idx] = eventid; |
| 1557 | writeq_relaxed(le64_to_cpu(dn->event_sel_w), dn->pmu_base + CMN_PMU_EVENT_SEL); |
| 1558 | } else { |
| 1559 | dn->event[dtm_idx] = eventid; |
| 1560 | writel_relaxed(le32_to_cpu(dn->event_sel), dn->pmu_base + CMN_PMU_EVENT_SEL); |
| 1561 | } |
| 1562 | } |
| 1563 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1564 | static void arm_cmn_event_start(struct perf_event *event, int flags) |
| 1565 | { |
| 1566 | struct arm_cmn *cmn = to_cmn(event->pmu); |
| 1567 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1568 | struct arm_cmn_node *dn; |
| 1569 | enum cmn_node_type type = CMN_EVENT_TYPE(event); |
| 1570 | int i; |
| 1571 | |
| 1572 | if (type == CMN_TYPE_DTC) { |
Robin Murphy | c5b15dd | 2024-09-02 18:52:01 +0100 | [diff] [blame] | 1573 | struct arm_cmn_dtc *dtc = cmn->dtc + hw->dtc_idx[0]; |
| 1574 | |
| 1575 | writel_relaxed(CMN_DT_DTC_CTL_DT_EN | CMN_DT_DTC_CTL_CG_DISABLE, |
| 1576 | dtc->base + CMN_DT_DTC_CTL); |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 1577 | writeq_relaxed(CMN_CC_INIT, CMN_DT_PMCCNTR(dtc)); |
Robin Murphy | c5b15dd | 2024-09-02 18:52:01 +0100 | [diff] [blame] | 1578 | dtc->cc_active = true; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1579 | } else if (type == CMN_TYPE_WP) { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1580 | u64 val = CMN_EVENT_WP_VAL(event); |
| 1581 | u64 mask = CMN_EVENT_WP_MASK(event); |
| 1582 | |
| 1583 | for_each_hw_dn(hw, dn, i) { |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1584 | void __iomem *base = dn->pmu_base + CMN_DTM_OFFSET(hw->dtm_offset); |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1585 | int wp_idx = arm_cmn_get_assigned_wp_idx(event, hw, i); |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1586 | |
| 1587 | writeq_relaxed(val, base + CMN_DTM_WPn_VAL(wp_idx)); |
| 1588 | writeq_relaxed(mask, base + CMN_DTM_WPn_MASK(wp_idx)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1589 | } |
| 1590 | } else for_each_hw_dn(hw, dn, i) { |
| 1591 | int dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); |
| 1592 | |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1593 | arm_cmn_set_event_sel_lo(dn, dtm_idx, CMN_EVENT_EVENTID(event), |
| 1594 | hw->wide_sel); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | static void arm_cmn_event_stop(struct perf_event *event, int flags) |
| 1599 | { |
| 1600 | struct arm_cmn *cmn = to_cmn(event->pmu); |
| 1601 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1602 | struct arm_cmn_node *dn; |
| 1603 | enum cmn_node_type type = CMN_EVENT_TYPE(event); |
| 1604 | int i; |
| 1605 | |
| 1606 | if (type == CMN_TYPE_DTC) { |
Robin Murphy | c5b15dd | 2024-09-02 18:52:01 +0100 | [diff] [blame] | 1607 | struct arm_cmn_dtc *dtc = cmn->dtc + hw->dtc_idx[0]; |
| 1608 | |
| 1609 | dtc->cc_active = false; |
| 1610 | writel_relaxed(CMN_DT_DTC_CTL_DT_EN, dtc->base + CMN_DT_DTC_CTL); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1611 | } else if (type == CMN_TYPE_WP) { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1612 | for_each_hw_dn(hw, dn, i) { |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1613 | void __iomem *base = dn->pmu_base + CMN_DTM_OFFSET(hw->dtm_offset); |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1614 | int wp_idx = arm_cmn_get_assigned_wp_idx(event, hw, i); |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1615 | |
| 1616 | writeq_relaxed(0, base + CMN_DTM_WPn_MASK(wp_idx)); |
| 1617 | writeq_relaxed(~0ULL, base + CMN_DTM_WPn_VAL(wp_idx)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1618 | } |
| 1619 | } else for_each_hw_dn(hw, dn, i) { |
| 1620 | int dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); |
| 1621 | |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1622 | arm_cmn_set_event_sel_lo(dn, dtm_idx, 0, hw->wide_sel); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1623 | } |
| 1624 | |
| 1625 | arm_cmn_event_read(event); |
| 1626 | } |
| 1627 | |
| 1628 | struct arm_cmn_val { |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1629 | u8 dtm_count[CMN_MAX_DTMS]; |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1630 | u8 occupid[CMN_MAX_DTMS][SEL_MAX]; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1631 | u8 wp[CMN_MAX_DTMS][4]; |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1632 | u8 wp_combine[CMN_MAX_DTMS][2]; |
Robin Murphy | ab33c66 | 2023-10-20 18:51:27 +0100 | [diff] [blame] | 1633 | int dtc_count[CMN_MAX_DTCS]; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1634 | bool cycles; |
| 1635 | }; |
| 1636 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1637 | static int arm_cmn_val_find_free_wp_config(struct perf_event *event, |
| 1638 | struct arm_cmn_val *val, int dtm) |
| 1639 | { |
| 1640 | int wp_idx = CMN_EVENT_EVENTID(event); |
| 1641 | |
| 1642 | if (val->wp[dtm][wp_idx]) |
| 1643 | if (val->wp[dtm][++wp_idx]) |
| 1644 | return -ENOSPC; |
| 1645 | |
| 1646 | return wp_idx; |
| 1647 | } |
| 1648 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1649 | static void arm_cmn_val_add_event(struct arm_cmn *cmn, struct arm_cmn_val *val, |
| 1650 | struct perf_event *event) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1651 | { |
| 1652 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1653 | struct arm_cmn_node *dn; |
| 1654 | enum cmn_node_type type; |
| 1655 | int i; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1656 | |
| 1657 | if (is_software_event(event)) |
| 1658 | return; |
| 1659 | |
| 1660 | type = CMN_EVENT_TYPE(event); |
| 1661 | if (type == CMN_TYPE_DTC) { |
| 1662 | val->cycles = true; |
| 1663 | return; |
| 1664 | } |
| 1665 | |
Robin Murphy | ab33c66 | 2023-10-20 18:51:27 +0100 | [diff] [blame] | 1666 | for_each_hw_dtc_idx(hw, dtc, idx) |
| 1667 | val->dtc_count[dtc]++; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1668 | |
| 1669 | for_each_hw_dn(hw, dn, i) { |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1670 | int wp_idx, dtm = dn->dtm, sel = hw->filter_sel; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1671 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1672 | val->dtm_count[dtm]++; |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1673 | |
| 1674 | if (sel > SEL_NONE) |
| 1675 | val->occupid[dtm][sel] = CMN_EVENT_OCCUPID(event) + 1; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1676 | |
| 1677 | if (type != CMN_TYPE_WP) |
| 1678 | continue; |
| 1679 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1680 | wp_idx = arm_cmn_val_find_free_wp_config(event, val, dtm); |
| 1681 | val->wp[dtm][wp_idx] = 1; |
| 1682 | val->wp_combine[dtm][wp_idx >> 1] += !!CMN_EVENT_WP_COMBINE(event); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1683 | } |
| 1684 | } |
| 1685 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1686 | static int arm_cmn_validate_group(struct arm_cmn *cmn, struct perf_event *event) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1687 | { |
| 1688 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1689 | struct arm_cmn_node *dn; |
| 1690 | struct perf_event *sibling, *leader = event->group_leader; |
| 1691 | enum cmn_node_type type; |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1692 | struct arm_cmn_val *val; |
| 1693 | int i, ret = -EINVAL; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1694 | |
| 1695 | if (leader == event) |
| 1696 | return 0; |
| 1697 | |
| 1698 | if (event->pmu != leader->pmu && !is_software_event(leader)) |
| 1699 | return -EINVAL; |
| 1700 | |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1701 | val = kzalloc(sizeof(*val), GFP_KERNEL); |
| 1702 | if (!val) |
| 1703 | return -ENOMEM; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1704 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1705 | arm_cmn_val_add_event(cmn, val, leader); |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1706 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1707 | for_each_sibling_event(sibling, leader) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1708 | arm_cmn_val_add_event(cmn, val, sibling); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1709 | |
| 1710 | type = CMN_EVENT_TYPE(event); |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1711 | if (type == CMN_TYPE_DTC) { |
| 1712 | ret = val->cycles ? -EINVAL : 0; |
| 1713 | goto done; |
| 1714 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1715 | |
Robin Murphy | ab33c66 | 2023-10-20 18:51:27 +0100 | [diff] [blame] | 1716 | for (i = 0; i < CMN_MAX_DTCS; i++) |
| 1717 | if (val->dtc_count[i] == CMN_DT_NUM_COUNTERS) |
| 1718 | goto done; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1719 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1720 | for_each_hw_dn(hw, dn, i) { |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1721 | int wp_idx, dtm = dn->dtm, sel = hw->filter_sel; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1722 | |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1723 | if (val->dtm_count[dtm] == CMN_DTM_NUM_COUNTERS) |
| 1724 | goto done; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1725 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1726 | if (sel > SEL_NONE && val->occupid[dtm][sel] && |
| 1727 | val->occupid[dtm][sel] != CMN_EVENT_OCCUPID(event) + 1) |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1728 | goto done; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1729 | |
| 1730 | if (type != CMN_TYPE_WP) |
| 1731 | continue; |
| 1732 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1733 | wp_idx = arm_cmn_val_find_free_wp_config(event, val, dtm); |
| 1734 | if (wp_idx < 0) |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1735 | goto done; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1736 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1737 | if (wp_idx & 1 && |
| 1738 | val->wp_combine[dtm][wp_idx >> 1] != !!CMN_EVENT_WP_COMBINE(event)) |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1739 | goto done; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1740 | } |
| 1741 | |
Robin Murphy | 558a07807 | 2021-12-03 11:44:58 +0000 | [diff] [blame] | 1742 | ret = 0; |
| 1743 | done: |
| 1744 | kfree(val); |
| 1745 | return ret; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1746 | } |
| 1747 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 1748 | static enum cmn_filter_select arm_cmn_filter_sel(const struct arm_cmn *cmn, |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1749 | enum cmn_node_type type, |
| 1750 | unsigned int eventid) |
| 1751 | { |
| 1752 | struct arm_cmn_event_attr *e; |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 1753 | enum cmn_model model = arm_cmn_model(cmn); |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1754 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 1755 | for (int i = 0; i < ARRAY_SIZE(arm_cmn_event_attrs) - 1; i++) { |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1756 | e = container_of(arm_cmn_event_attrs[i], typeof(*e), attr.attr); |
| 1757 | if (e->model & model && e->type == type && e->eventid == eventid) |
| 1758 | return e->fsel; |
| 1759 | } |
| 1760 | return SEL_NONE; |
| 1761 | } |
| 1762 | |
| 1763 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1764 | static int arm_cmn_event_init(struct perf_event *event) |
| 1765 | { |
| 1766 | struct arm_cmn *cmn = to_cmn(event->pmu); |
| 1767 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 1768 | struct arm_cmn_node *dn; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1769 | enum cmn_node_type type; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1770 | bool bynodeid; |
| 1771 | u16 nodeid, eventid; |
| 1772 | |
| 1773 | if (event->attr.type != event->pmu->type) |
| 1774 | return -ENOENT; |
| 1775 | |
| 1776 | if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK) |
| 1777 | return -EINVAL; |
| 1778 | |
| 1779 | event->cpu = cmn->cpu; |
| 1780 | if (event->cpu < 0) |
| 1781 | return -EINVAL; |
| 1782 | |
| 1783 | type = CMN_EVENT_TYPE(event); |
| 1784 | /* DTC events (i.e. cycles) already have everything they need */ |
| 1785 | if (type == CMN_TYPE_DTC) |
Robin Murphy | 23b2fd8 | 2023-04-03 12:49:05 +0100 | [diff] [blame] | 1786 | return arm_cmn_validate_group(cmn, event); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1787 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1788 | eventid = CMN_EVENT_EVENTID(event); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1789 | /* For watchpoints we need the actual XP node here */ |
| 1790 | if (type == CMN_TYPE_WP) { |
| 1791 | type = CMN_TYPE_XP; |
| 1792 | /* ...and we need a "real" direction */ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1793 | if (eventid != CMN_WP_UP && eventid != CMN_WP_DOWN) |
| 1794 | return -EINVAL; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1795 | /* ...but the DTM may depend on which port we're watching */ |
| 1796 | if (cmn->multi_dtm) |
| 1797 | hw->dtm_offset = CMN_EVENT_WP_DEV_SEL(event) / 2; |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 1798 | } else if (type == CMN_TYPE_XP && |
| 1799 | (cmn->part == PART_CMN700 || cmn->part == PART_CMN_S3)) { |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 1800 | hw->wide_sel = true; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1801 | } |
| 1802 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1803 | /* This is sufficiently annoying to recalculate, so cache it */ |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 1804 | hw->filter_sel = arm_cmn_filter_sel(cmn, type, eventid); |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1805 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1806 | bynodeid = CMN_EVENT_BYNODEID(event); |
| 1807 | nodeid = CMN_EVENT_NODEID(event); |
| 1808 | |
| 1809 | hw->dn = arm_cmn_node(cmn, type); |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 1810 | if (!hw->dn) |
| 1811 | return -EINVAL; |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1812 | |
| 1813 | memset(hw->dtc_idx, -1, sizeof(hw->dtc_idx)); |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 1814 | for (dn = hw->dn; dn->type == type; dn++) { |
Robin Murphy | 4f2c387 | 2021-12-03 11:44:57 +0000 | [diff] [blame] | 1815 | if (bynodeid && dn->id != nodeid) { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1816 | hw->dn++; |
Robin Murphy | 4f2c387 | 2021-12-03 11:44:57 +0000 | [diff] [blame] | 1817 | continue; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1818 | } |
Robin Murphy | 4f2c387 | 2021-12-03 11:44:57 +0000 | [diff] [blame] | 1819 | hw->num_dns++; |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1820 | if (dn->dtc < 0) |
| 1821 | memset(hw->dtc_idx, 0, cmn->num_dtcs); |
| 1822 | else |
| 1823 | hw->dtc_idx[dn->dtc] = 0; |
| 1824 | |
Robin Murphy | 4f2c387 | 2021-12-03 11:44:57 +0000 | [diff] [blame] | 1825 | if (bynodeid) |
| 1826 | break; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1827 | } |
| 1828 | |
| 1829 | if (!hw->num_dns) { |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 1830 | dev_dbg(cmn->dev, "invalid node 0x%x type 0x%x\n", nodeid, type); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1831 | return -EINVAL; |
| 1832 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1833 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1834 | return arm_cmn_validate_group(cmn, event); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1835 | } |
| 1836 | |
| 1837 | static void arm_cmn_event_clear(struct arm_cmn *cmn, struct perf_event *event, |
| 1838 | int i) |
| 1839 | { |
| 1840 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1841 | enum cmn_node_type type = CMN_EVENT_TYPE(event); |
| 1842 | |
| 1843 | while (i--) { |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1844 | struct arm_cmn_dtm *dtm = &cmn->dtms[hw->dn[i].dtm] + hw->dtm_offset; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1845 | unsigned int dtm_idx = arm_cmn_get_index(hw->dtm_idx, i); |
| 1846 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1847 | if (type == CMN_TYPE_WP) { |
| 1848 | int wp_idx = arm_cmn_get_assigned_wp_idx(event, hw, i); |
| 1849 | |
| 1850 | dtm->wp_event[wp_idx] = -1; |
| 1851 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1852 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1853 | if (hw->filter_sel > SEL_NONE) |
| 1854 | hw->dn[i].occupid[hw->filter_sel].count--; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1855 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1856 | dtm->pmu_config_low &= ~CMN__PMEVCNT_PAIRED(dtm_idx); |
| 1857 | writel_relaxed(dtm->pmu_config_low, dtm->base + CMN_DTM_PMU_CONFIG); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1858 | } |
| 1859 | memset(hw->dtm_idx, 0, sizeof(hw->dtm_idx)); |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1860 | memset(hw->wp_idx, 0, sizeof(hw->wp_idx)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1861 | |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1862 | for_each_hw_dtc_idx(hw, j, idx) |
| 1863 | cmn->dtc[j].counters[idx] = NULL; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1864 | } |
| 1865 | |
| 1866 | static int arm_cmn_event_add(struct perf_event *event, int flags) |
| 1867 | { |
| 1868 | struct arm_cmn *cmn = to_cmn(event->pmu); |
| 1869 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1870 | struct arm_cmn_node *dn; |
| 1871 | enum cmn_node_type type = CMN_EVENT_TYPE(event); |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1872 | unsigned int input_sel, i = 0; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1873 | |
| 1874 | if (type == CMN_TYPE_DTC) { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1875 | while (cmn->dtc[i].cycles) |
| 1876 | if (++i == cmn->num_dtcs) |
| 1877 | return -ENOSPC; |
| 1878 | |
| 1879 | cmn->dtc[i].cycles = event; |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1880 | hw->dtc_idx[0] = i; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1881 | |
| 1882 | if (flags & PERF_EF_START) |
| 1883 | arm_cmn_event_start(event, 0); |
| 1884 | return 0; |
| 1885 | } |
| 1886 | |
Robin Murphy | ab33c66 | 2023-10-20 18:51:27 +0100 | [diff] [blame] | 1887 | /* Grab the global counters first... */ |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1888 | for_each_hw_dtc_idx(hw, j, idx) { |
Robin Murphy | ab33c66 | 2023-10-20 18:51:27 +0100 | [diff] [blame] | 1889 | if (cmn->part == PART_CMN600 && j > 0) { |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1890 | idx = hw->dtc_idx[0]; |
| 1891 | } else { |
| 1892 | idx = 0; |
| 1893 | while (cmn->dtc[j].counters[idx]) |
| 1894 | if (++idx == CMN_DT_NUM_COUNTERS) |
Robin Murphy | 1892fe1 | 2023-12-11 19:27:28 +0000 | [diff] [blame] | 1895 | return -ENOSPC; |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1896 | } |
| 1897 | hw->dtc_idx[j] = idx; |
| 1898 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1899 | |
Robin Murphy | ab33c66 | 2023-10-20 18:51:27 +0100 | [diff] [blame] | 1900 | /* ...then the local counters to feed them */ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1901 | for_each_hw_dn(hw, dn, i) { |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1902 | struct arm_cmn_dtm *dtm = &cmn->dtms[dn->dtm] + hw->dtm_offset; |
Robin Murphy | ab33c66 | 2023-10-20 18:51:27 +0100 | [diff] [blame] | 1903 | unsigned int dtm_idx, shift, d = max_t(int, dn->dtc, 0); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1904 | u64 reg; |
| 1905 | |
| 1906 | dtm_idx = 0; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1907 | while (dtm->pmu_config_low & CMN__PMEVCNT_PAIRED(dtm_idx)) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1908 | if (++dtm_idx == CMN_DTM_NUM_COUNTERS) |
| 1909 | goto free_dtms; |
| 1910 | |
| 1911 | if (type == CMN_TYPE_XP) { |
| 1912 | input_sel = CMN__PMEVCNT0_INPUT_SEL_XP + dtm_idx; |
| 1913 | } else if (type == CMN_TYPE_WP) { |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1914 | int tmp, wp_idx; |
Ilkka Koskinen | f9a7a91 | 2024-06-17 17:50:56 -0700 | [diff] [blame] | 1915 | u32 cfg; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1916 | |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1917 | wp_idx = arm_cmn_find_free_wp_idx(dtm, event); |
| 1918 | if (wp_idx < 0) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1919 | goto free_dtms; |
| 1920 | |
Ilkka Koskinen | f9a7a91 | 2024-06-17 17:50:56 -0700 | [diff] [blame] | 1921 | cfg = arm_cmn_wp_config(event, wp_idx); |
| 1922 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1923 | tmp = dtm->wp_event[wp_idx ^ 1]; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1924 | if (tmp >= 0 && CMN_EVENT_WP_COMBINE(event) != |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1925 | CMN_EVENT_WP_COMBINE(cmn->dtc[d].counters[tmp])) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1926 | goto free_dtms; |
| 1927 | |
| 1928 | input_sel = CMN__PMEVCNT0_INPUT_SEL_WP + wp_idx; |
Ilkka Koskinen | 4a11258 | 2024-06-17 17:50:55 -0700 | [diff] [blame] | 1929 | |
| 1930 | arm_cmn_claim_wp_idx(dtm, event, d, wp_idx, i); |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1931 | writel_relaxed(cfg, dtm->base + CMN_DTM_WPn_CONFIG(wp_idx)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1932 | } else { |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 1933 | struct arm_cmn_nodeid nid = arm_cmn_nid(dn); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1934 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 1935 | if (cmn->multi_dtm) |
| 1936 | nid.port %= 2; |
| 1937 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1938 | input_sel = CMN__PMEVCNT0_INPUT_SEL_DEV + dtm_idx + |
Robin Murphy | 5f167ea | 2021-12-03 11:44:53 +0000 | [diff] [blame] | 1939 | (nid.port << 4) + (nid.dev << 2); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1940 | |
Robin Murphy | 65adf71 | 2022-04-18 23:57:40 +0100 | [diff] [blame] | 1941 | if (arm_cmn_set_event_sel_hi(dn, hw->filter_sel, CMN_EVENT_OCCUPID(event))) |
| 1942 | goto free_dtms; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1943 | } |
| 1944 | |
| 1945 | arm_cmn_set_index(hw->dtm_idx, i, dtm_idx); |
| 1946 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1947 | dtm->input_sel[dtm_idx] = input_sel; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1948 | shift = CMN__PMEVCNTn_GLOBAL_NUM_SHIFT(dtm_idx); |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1949 | dtm->pmu_config_low &= ~(CMN__PMEVCNT0_GLOBAL_NUM << shift); |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1950 | dtm->pmu_config_low |= FIELD_PREP(CMN__PMEVCNT0_GLOBAL_NUM, hw->dtc_idx[d]) << shift; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 1951 | dtm->pmu_config_low |= CMN__PMEVCNT_PAIRED(dtm_idx); |
| 1952 | reg = (u64)le32_to_cpu(dtm->pmu_config_high) << 32 | dtm->pmu_config_low; |
| 1953 | writeq_relaxed(reg, dtm->base + CMN_DTM_PMU_CONFIG); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1954 | } |
| 1955 | |
| 1956 | /* Go go go! */ |
| 1957 | arm_cmn_init_counter(event); |
| 1958 | |
| 1959 | if (flags & PERF_EF_START) |
| 1960 | arm_cmn_event_start(event, 0); |
| 1961 | |
| 1962 | return 0; |
| 1963 | |
| 1964 | free_dtms: |
| 1965 | arm_cmn_event_clear(cmn, event, i); |
| 1966 | return -ENOSPC; |
| 1967 | } |
| 1968 | |
| 1969 | static void arm_cmn_event_del(struct perf_event *event, int flags) |
| 1970 | { |
| 1971 | struct arm_cmn *cmn = to_cmn(event->pmu); |
| 1972 | struct arm_cmn_hw_event *hw = to_cmn_hw(event); |
| 1973 | enum cmn_node_type type = CMN_EVENT_TYPE(event); |
| 1974 | |
| 1975 | arm_cmn_event_stop(event, PERF_EF_UPDATE); |
| 1976 | |
| 1977 | if (type == CMN_TYPE_DTC) |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 1978 | cmn->dtc[hw->dtc_idx[0]].cycles = NULL; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 1979 | else |
| 1980 | arm_cmn_event_clear(cmn, event, hw->num_dns); |
| 1981 | } |
| 1982 | |
| 1983 | /* |
| 1984 | * We stop the PMU for both add and read, to avoid skew across DTM counters. |
| 1985 | * In theory we could use snapshots to read without stopping, but then it |
| 1986 | * becomes a lot trickier to deal with overlow and racing against interrupts, |
| 1987 | * plus it seems they don't work properly on some hardware anyway :( |
| 1988 | */ |
| 1989 | static void arm_cmn_start_txn(struct pmu *pmu, unsigned int flags) |
| 1990 | { |
| 1991 | arm_cmn_set_state(to_cmn(pmu), CMN_STATE_TXN); |
| 1992 | } |
| 1993 | |
| 1994 | static void arm_cmn_end_txn(struct pmu *pmu) |
| 1995 | { |
| 1996 | arm_cmn_clear_state(to_cmn(pmu), CMN_STATE_TXN); |
| 1997 | } |
| 1998 | |
| 1999 | static int arm_cmn_commit_txn(struct pmu *pmu) |
| 2000 | { |
| 2001 | arm_cmn_end_txn(pmu); |
| 2002 | return 0; |
| 2003 | } |
| 2004 | |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2005 | static void arm_cmn_migrate(struct arm_cmn *cmn, unsigned int cpu) |
| 2006 | { |
| 2007 | unsigned int i; |
| 2008 | |
| 2009 | perf_pmu_migrate_context(&cmn->pmu, cmn->cpu, cpu); |
| 2010 | for (i = 0; i < cmn->num_dtcs; i++) |
| 2011 | irq_set_affinity(cmn->dtc[i].irq, cpumask_of(cpu)); |
| 2012 | cmn->cpu = cpu; |
| 2013 | } |
| 2014 | |
| 2015 | static int arm_cmn_pmu_online_cpu(unsigned int cpu, struct hlist_node *cpuhp_node) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2016 | { |
| 2017 | struct arm_cmn *cmn; |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2018 | int node; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2019 | |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2020 | cmn = hlist_entry_safe(cpuhp_node, struct arm_cmn, cpuhp_node); |
| 2021 | node = dev_to_node(cmn->dev); |
Robin Murphy | f04b611 | 2024-09-04 19:41:54 +0100 | [diff] [blame] | 2022 | if (cpu_to_node(cmn->cpu) != node && cpu_to_node(cpu) == node) |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2023 | arm_cmn_migrate(cmn, cpu); |
| 2024 | return 0; |
| 2025 | } |
| 2026 | |
| 2027 | static int arm_cmn_pmu_offline_cpu(unsigned int cpu, struct hlist_node *cpuhp_node) |
| 2028 | { |
| 2029 | struct arm_cmn *cmn; |
| 2030 | unsigned int target; |
| 2031 | int node; |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2032 | |
| 2033 | cmn = hlist_entry_safe(cpuhp_node, struct arm_cmn, cpuhp_node); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2034 | if (cpu != cmn->cpu) |
| 2035 | return 0; |
| 2036 | |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2037 | node = dev_to_node(cmn->dev); |
Dawei Li | 60c7324 | 2024-04-03 23:59:43 +0800 | [diff] [blame] | 2038 | |
| 2039 | target = cpumask_any_and_but(cpumask_of_node(node), cpu_online_mask, cpu); |
| 2040 | if (target >= nr_cpu_ids) |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2041 | target = cpumask_any_but(cpu_online_mask, cpu); |
Dawei Li | 60c7324 | 2024-04-03 23:59:43 +0800 | [diff] [blame] | 2042 | |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2043 | if (target < nr_cpu_ids) |
| 2044 | arm_cmn_migrate(cmn, target); |
Dawei Li | 60c7324 | 2024-04-03 23:59:43 +0800 | [diff] [blame] | 2045 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2046 | return 0; |
| 2047 | } |
| 2048 | |
| 2049 | static irqreturn_t arm_cmn_handle_irq(int irq, void *dev_id) |
| 2050 | { |
| 2051 | struct arm_cmn_dtc *dtc = dev_id; |
| 2052 | irqreturn_t ret = IRQ_NONE; |
| 2053 | |
| 2054 | for (;;) { |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 2055 | u32 status = readl_relaxed(CMN_DT_PMOVSR(dtc)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2056 | u64 delta; |
| 2057 | int i; |
| 2058 | |
Jing Zhang | 7f949f6 | 2023-09-25 11:22:32 +0800 | [diff] [blame] | 2059 | for (i = 0; i < CMN_DT_NUM_COUNTERS; i++) { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2060 | if (status & (1U << i)) { |
| 2061 | ret = IRQ_HANDLED; |
| 2062 | if (WARN_ON(!dtc->counters[i])) |
| 2063 | continue; |
| 2064 | delta = (u64)arm_cmn_read_counter(dtc, i) << 16; |
| 2065 | local64_add(delta, &dtc->counters[i]->count); |
| 2066 | } |
| 2067 | } |
| 2068 | |
| 2069 | if (status & (1U << CMN_DT_NUM_COUNTERS)) { |
| 2070 | ret = IRQ_HANDLED; |
| 2071 | if (dtc->cc_active && !WARN_ON(!dtc->cycles)) { |
| 2072 | delta = arm_cmn_read_cc(dtc); |
| 2073 | local64_add(delta, &dtc->cycles->count); |
| 2074 | } |
| 2075 | } |
| 2076 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 2077 | writel_relaxed(status, CMN_DT_PMOVSR_CLR(dtc)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2078 | |
| 2079 | if (!dtc->irq_friend) |
| 2080 | return ret; |
| 2081 | dtc += dtc->irq_friend; |
| 2082 | } |
| 2083 | } |
| 2084 | |
| 2085 | /* We can reasonably accommodate DTCs of the same CMN sharing IRQs */ |
| 2086 | static int arm_cmn_init_irqs(struct arm_cmn *cmn) |
| 2087 | { |
| 2088 | int i, j, irq, err; |
| 2089 | |
| 2090 | for (i = 0; i < cmn->num_dtcs; i++) { |
| 2091 | irq = cmn->dtc[i].irq; |
| 2092 | for (j = i; j--; ) { |
| 2093 | if (cmn->dtc[j].irq == irq) { |
Tuan Phan | 4e16f28 | 2021-06-17 09:08:49 -0700 | [diff] [blame] | 2094 | cmn->dtc[j].irq_friend = i - j; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2095 | goto next; |
| 2096 | } |
| 2097 | } |
| 2098 | err = devm_request_irq(cmn->dev, irq, arm_cmn_handle_irq, |
| 2099 | IRQF_NOBALANCING | IRQF_NO_THREAD, |
| 2100 | dev_name(cmn->dev), &cmn->dtc[i]); |
| 2101 | if (err) |
| 2102 | return err; |
| 2103 | |
Thomas Gleixner | 8ec25d3 | 2021-05-18 11:17:28 +0200 | [diff] [blame] | 2104 | err = irq_set_affinity(irq, cpumask_of(cmn->cpu)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2105 | if (err) |
| 2106 | return err; |
| 2107 | next: |
| 2108 | ; /* isn't C great? */ |
| 2109 | } |
| 2110 | return 0; |
| 2111 | } |
| 2112 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2113 | static void arm_cmn_init_dtm(struct arm_cmn_dtm *dtm, struct arm_cmn_node *xp, int idx) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2114 | { |
| 2115 | int i; |
| 2116 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2117 | dtm->base = xp->pmu_base + CMN_DTM_OFFSET(idx); |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2118 | dtm->pmu_config_low = CMN_DTM_PMU_CONFIG_PMU_EN; |
Robin Murphy | bb21ef1 | 2022-12-05 19:46:13 +0000 | [diff] [blame] | 2119 | writeq_relaxed(dtm->pmu_config_low, dtm->base + CMN_DTM_PMU_CONFIG); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2120 | for (i = 0; i < 4; i++) { |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2121 | dtm->wp_event[i] = -1; |
| 2122 | writeq_relaxed(0, dtm->base + CMN_DTM_WPn_MASK(i)); |
| 2123 | writeq_relaxed(~0ULL, dtm->base + CMN_DTM_WPn_VAL(i)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2124 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2125 | } |
| 2126 | |
| 2127 | static int arm_cmn_init_dtc(struct arm_cmn *cmn, struct arm_cmn_node *dn, int idx) |
| 2128 | { |
| 2129 | struct arm_cmn_dtc *dtc = cmn->dtc + idx; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2130 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 2131 | dtc->pmu_base = dn->pmu_base; |
| 2132 | dtc->base = dtc->pmu_base - arm_cmn_pmu_offset(cmn, dn); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2133 | dtc->irq = platform_get_irq(to_platform_device(cmn->dev), idx); |
| 2134 | if (dtc->irq < 0) |
| 2135 | return dtc->irq; |
| 2136 | |
Robin Murphy | 71746c9 | 2023-05-24 17:44:32 +0100 | [diff] [blame] | 2137 | writel_relaxed(CMN_DT_DTC_CTL_DT_EN, dtc->base + CMN_DT_DTC_CTL); |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 2138 | writel_relaxed(CMN_DT_PMCR_PMU_EN | CMN_DT_PMCR_OVFL_INTR_EN, CMN_DT_PMCR(dtc)); |
| 2139 | writeq_relaxed(0, CMN_DT_PMCCNTR(dtc)); |
| 2140 | writel_relaxed(0x1ff, CMN_DT_PMOVSR_CLR(dtc)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2141 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2142 | return 0; |
| 2143 | } |
| 2144 | |
| 2145 | static int arm_cmn_node_cmp(const void *a, const void *b) |
| 2146 | { |
| 2147 | const struct arm_cmn_node *dna = a, *dnb = b; |
| 2148 | int cmp; |
| 2149 | |
| 2150 | cmp = dna->type - dnb->type; |
| 2151 | if (!cmp) |
| 2152 | cmp = dna->logid - dnb->logid; |
| 2153 | return cmp; |
| 2154 | } |
| 2155 | |
| 2156 | static int arm_cmn_init_dtcs(struct arm_cmn *cmn) |
| 2157 | { |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2158 | struct arm_cmn_node *dn, *xp; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2159 | int dtc_idx = 0; |
| 2160 | |
| 2161 | cmn->dtc = devm_kcalloc(cmn->dev, cmn->num_dtcs, sizeof(cmn->dtc[0]), GFP_KERNEL); |
| 2162 | if (!cmn->dtc) |
| 2163 | return -ENOMEM; |
| 2164 | |
| 2165 | sort(cmn->dns, cmn->num_dns, sizeof(cmn->dns[0]), arm_cmn_node_cmp, NULL); |
| 2166 | |
| 2167 | cmn->xps = arm_cmn_node(cmn, CMN_TYPE_XP); |
| 2168 | |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 2169 | if (cmn->part == PART_CMN600 && cmn->num_dtcs > 1) { |
| 2170 | /* We do at least know that a DTC's XP must be in that DTC's domain */ |
| 2171 | dn = arm_cmn_node(cmn, CMN_TYPE_DTC); |
| 2172 | for (int i = 0; i < cmn->num_dtcs; i++) |
| 2173 | arm_cmn_node_to_xp(cmn, dn + i)->dtc = i; |
| 2174 | } |
| 2175 | |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 2176 | for (dn = cmn->dns; dn->type; dn++) { |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 2177 | if (dn->type == CMN_TYPE_XP) |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2178 | continue; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2179 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2180 | xp = arm_cmn_node_to_xp(cmn, dn); |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 2181 | dn->portid_bits = xp->portid_bits; |
| 2182 | dn->deviceid_bits = xp->deviceid_bits; |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 2183 | dn->dtc = xp->dtc; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2184 | dn->dtm = xp->dtm; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2185 | if (cmn->multi_dtm) |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 2186 | dn->dtm += arm_cmn_nid(dn).port / 2; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2187 | |
| 2188 | if (dn->type == CMN_TYPE_DTC) { |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 2189 | int err = arm_cmn_init_dtc(cmn, dn, dtc_idx++); |
| 2190 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2191 | if (err) |
| 2192 | return err; |
| 2193 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2194 | |
| 2195 | /* To the PMU, RN-Ds don't add anything over RN-Is, so smoosh them together */ |
| 2196 | if (dn->type == CMN_TYPE_RND) |
| 2197 | dn->type = CMN_TYPE_RNI; |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 2198 | |
| 2199 | /* We split the RN-I off already, so let the CCLA part match CCLA events */ |
| 2200 | if (dn->type == CMN_TYPE_CCLA_RNI) |
| 2201 | dn->type = CMN_TYPE_CCLA; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2202 | } |
| 2203 | |
Robin Murphy | 71746c9 | 2023-05-24 17:44:32 +0100 | [diff] [blame] | 2204 | arm_cmn_set_state(cmn, CMN_STATE_DISABLED); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2205 | |
| 2206 | return 0; |
| 2207 | } |
| 2208 | |
Robin Murphy | e3e73f5 | 2023-10-20 18:51:25 +0100 | [diff] [blame] | 2209 | static unsigned int arm_cmn_dtc_domain(struct arm_cmn *cmn, void __iomem *xp_region) |
| 2210 | { |
| 2211 | int offset = CMN_DTM_UNIT_INFO; |
| 2212 | |
| 2213 | if (cmn->part == PART_CMN650 || cmn->part == PART_CI700) |
| 2214 | offset = CMN650_DTM_UNIT_INFO; |
| 2215 | |
| 2216 | return FIELD_GET(CMN_DTM_UNIT_INFO_DTC_DOMAIN, readl_relaxed(xp_region + offset)); |
| 2217 | } |
| 2218 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2219 | static void arm_cmn_init_node_info(struct arm_cmn *cmn, u32 offset, struct arm_cmn_node *node) |
| 2220 | { |
| 2221 | int level; |
| 2222 | u64 reg = readq_relaxed(cmn->base + offset + CMN_NODE_INFO); |
| 2223 | |
| 2224 | node->type = FIELD_GET(CMN_NI_NODE_TYPE, reg); |
| 2225 | node->id = FIELD_GET(CMN_NI_NODE_ID, reg); |
| 2226 | node->logid = FIELD_GET(CMN_NI_LOGICAL_ID, reg); |
| 2227 | |
Robin Murphy | 67acca3 | 2024-09-02 18:52:02 +0100 | [diff] [blame] | 2228 | node->pmu_base = cmn->base + offset + arm_cmn_pmu_offset(cmn, node); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2229 | |
| 2230 | if (node->type == CMN_TYPE_CFG) |
| 2231 | level = 0; |
| 2232 | else if (node->type == CMN_TYPE_XP) |
| 2233 | level = 1; |
| 2234 | else |
| 2235 | level = 2; |
| 2236 | |
Will Deacon | 887e2cf | 2020-10-01 11:57:01 +0100 | [diff] [blame] | 2237 | dev_dbg(cmn->dev, "node%*c%#06hx%*ctype:%-#6x id:%-4hd off:%#x\n", |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2238 | (level * 2) + 1, ' ', node->id, 5 - (level * 2), ' ', |
| 2239 | node->type, node->logid, offset); |
| 2240 | } |
| 2241 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2242 | static enum cmn_node_type arm_cmn_subtype(enum cmn_node_type type) |
| 2243 | { |
| 2244 | switch (type) { |
| 2245 | case CMN_TYPE_HNP: |
| 2246 | return CMN_TYPE_HNI; |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 2247 | case CMN_TYPE_CCLA_RNI: |
| 2248 | return CMN_TYPE_RNI; |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2249 | default: |
| 2250 | return CMN_TYPE_INVALID; |
| 2251 | } |
| 2252 | } |
| 2253 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2254 | static int arm_cmn_discover(struct arm_cmn *cmn, unsigned int rgn_offset) |
| 2255 | { |
| 2256 | void __iomem *cfg_region; |
| 2257 | struct arm_cmn_node cfg, *dn; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2258 | struct arm_cmn_dtm *dtm; |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2259 | enum cmn_part part; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2260 | u16 child_count, child_poff; |
| 2261 | u32 xp_offset[CMN_MAX_XPS]; |
| 2262 | u64 reg; |
| 2263 | int i, j; |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 2264 | size_t sz; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2265 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2266 | arm_cmn_init_node_info(cmn, rgn_offset, &cfg); |
| 2267 | if (cfg.type != CMN_TYPE_CFG) |
| 2268 | return -ENODEV; |
| 2269 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 2270 | cfg_region = cmn->base + rgn_offset; |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2271 | |
| 2272 | reg = readq_relaxed(cfg_region + CMN_CFGM_PERIPH_ID_01); |
| 2273 | part = FIELD_GET(CMN_CFGM_PID0_PART_0, reg); |
| 2274 | part |= FIELD_GET(CMN_CFGM_PID1_PART_1, reg) << 8; |
| 2275 | if (cmn->part && cmn->part != part) |
| 2276 | dev_warn(cmn->dev, |
| 2277 | "Firmware binding mismatch: expected part number 0x%x, found 0x%x\n", |
| 2278 | cmn->part, part); |
| 2279 | cmn->part = part; |
| 2280 | if (!arm_cmn_model(cmn)) |
| 2281 | dev_warn(cmn->dev, "Unknown part number: 0x%x\n", part); |
| 2282 | |
| 2283 | reg = readl_relaxed(cfg_region + CMN_CFGM_PERIPH_ID_23); |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 2284 | cmn->rev = FIELD_GET(CMN_CFGM_PID2_REVISION, reg); |
| 2285 | |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 2286 | /* |
| 2287 | * With the device isolation feature, if firmware has neglected to enable |
| 2288 | * an XP port then we risk locking up if we try to access anything behind |
| 2289 | * it; however we also have no way to tell from Non-Secure whether any |
| 2290 | * given port is disabled or not, so the only way to win is not to play... |
| 2291 | */ |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2292 | reg = readq_relaxed(cfg_region + CMN_CFGM_INFO_GLOBAL); |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 2293 | if (reg & CMN_INFO_DEVICE_ISO_ENABLE) { |
| 2294 | dev_err(cmn->dev, "Device isolation enabled, not continuing due to risk of lockup\n"); |
| 2295 | return -ENODEV; |
| 2296 | } |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2297 | cmn->multi_dtm = reg & CMN_INFO_MULTIPLE_DTM_EN; |
| 2298 | cmn->rsp_vc_num = FIELD_GET(CMN_INFO_RSP_VC_NUM, reg); |
| 2299 | cmn->dat_vc_num = FIELD_GET(CMN_INFO_DAT_VC_NUM, reg); |
| 2300 | |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 2301 | reg = readq_relaxed(cfg_region + CMN_CFGM_INFO_GLOBAL_1); |
| 2302 | cmn->snp_vc_num = FIELD_GET(CMN_INFO_SNP_VC_NUM, reg); |
| 2303 | cmn->req_vc_num = FIELD_GET(CMN_INFO_REQ_VC_NUM, reg); |
| 2304 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2305 | reg = readq_relaxed(cfg_region + CMN_CHILD_INFO); |
| 2306 | child_count = FIELD_GET(CMN_CI_CHILD_COUNT, reg); |
| 2307 | child_poff = FIELD_GET(CMN_CI_CHILD_PTR_OFFSET, reg); |
| 2308 | |
| 2309 | cmn->num_xps = child_count; |
| 2310 | cmn->num_dns = cmn->num_xps; |
| 2311 | |
| 2312 | /* Pass 1: visit the XPs, enumerate their children */ |
| 2313 | for (i = 0; i < cmn->num_xps; i++) { |
| 2314 | reg = readq_relaxed(cfg_region + child_poff + i * 8); |
| 2315 | xp_offset[i] = reg & CMN_CHILD_NODE_ADDR; |
| 2316 | |
| 2317 | reg = readq_relaxed(cmn->base + xp_offset[i] + CMN_CHILD_INFO); |
| 2318 | cmn->num_dns += FIELD_GET(CMN_CI_CHILD_COUNT, reg); |
| 2319 | } |
| 2320 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2321 | /* |
| 2322 | * Some nodes effectively have two separate types, which we'll handle |
| 2323 | * by creating one of each internally. For a (very) safe initial upper |
| 2324 | * bound, account for double the number of non-XP nodes. |
| 2325 | */ |
| 2326 | dn = devm_kcalloc(cmn->dev, cmn->num_dns * 2 - cmn->num_xps, |
| 2327 | sizeof(*dn), GFP_KERNEL); |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 2328 | if (!dn) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2329 | return -ENOMEM; |
| 2330 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2331 | /* Initial safe upper bound on DTMs for any possible mesh layout */ |
| 2332 | i = cmn->num_xps; |
| 2333 | if (cmn->multi_dtm) |
| 2334 | i += cmn->num_xps + 1; |
| 2335 | dtm = devm_kcalloc(cmn->dev, i, sizeof(*dtm), GFP_KERNEL); |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2336 | if (!dtm) |
| 2337 | return -ENOMEM; |
| 2338 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2339 | /* Pass 2: now we can actually populate the nodes */ |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 2340 | cmn->dns = dn; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2341 | cmn->dtms = dtm; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2342 | for (i = 0; i < cmn->num_xps; i++) { |
| 2343 | void __iomem *xp_region = cmn->base + xp_offset[i]; |
| 2344 | struct arm_cmn_node *xp = dn++; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2345 | unsigned int xp_ports = 0; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2346 | |
| 2347 | arm_cmn_init_node_info(cmn, xp_offset[i], xp); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2348 | /* |
| 2349 | * Thanks to the order in which XP logical IDs seem to be |
| 2350 | * assigned, we can handily infer the mesh X dimension by |
| 2351 | * looking out for the XP at (0,1) without needing to know |
| 2352 | * the exact node ID format, which we can later derive. |
| 2353 | */ |
| 2354 | if (xp->id == (1 << 3)) |
| 2355 | cmn->mesh_x = xp->logid; |
| 2356 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2357 | if (cmn->part == PART_CMN600) |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 2358 | xp->dtc = -1; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2359 | else |
Robin Murphy | 7633ec2 | 2023-10-20 18:51:26 +0100 | [diff] [blame] | 2360 | xp->dtc = arm_cmn_dtc_domain(cmn, xp_region); |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2361 | |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2362 | xp->dtm = dtm - cmn->dtms; |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2363 | arm_cmn_init_dtm(dtm++, xp, 0); |
| 2364 | /* |
| 2365 | * Keeping track of connected ports will let us filter out |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 2366 | * unnecessary XP events easily, and also infer the per-XP |
| 2367 | * part of the node ID format. |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2368 | */ |
Robin Murphy | 2ad91e4 | 2023-04-12 11:29:40 +0100 | [diff] [blame] | 2369 | for (int p = 0; p < CMN_MAX_PORTS; p++) |
| 2370 | if (arm_cmn_device_connect_info(cmn, xp, p)) |
| 2371 | xp_ports |= BIT(p); |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2372 | |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 2373 | if (cmn->num_xps == 1) { |
| 2374 | xp->portid_bits = 3; |
| 2375 | xp->deviceid_bits = 2; |
| 2376 | } else if (xp_ports > 0x3) { |
| 2377 | xp->portid_bits = 2; |
| 2378 | xp->deviceid_bits = 1; |
| 2379 | } else { |
| 2380 | xp->portid_bits = 1; |
| 2381 | xp->deviceid_bits = 2; |
| 2382 | } |
| 2383 | |
| 2384 | if (cmn->multi_dtm && (xp_ports > 0x3)) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2385 | arm_cmn_init_dtm(dtm++, xp, 1); |
Robin Murphy | e79634b | 2024-09-02 18:51:57 +0100 | [diff] [blame] | 2386 | if (cmn->multi_dtm && (xp_ports > 0xf)) |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2387 | arm_cmn_init_dtm(dtm++, xp, 2); |
| 2388 | |
| 2389 | cmn->ports_used |= xp_ports; |
Robin Murphy | 0947c80 | 2021-12-03 11:44:55 +0000 | [diff] [blame] | 2390 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2391 | reg = readq_relaxed(xp_region + CMN_CHILD_INFO); |
| 2392 | child_count = FIELD_GET(CMN_CI_CHILD_COUNT, reg); |
| 2393 | child_poff = FIELD_GET(CMN_CI_CHILD_PTR_OFFSET, reg); |
| 2394 | |
| 2395 | for (j = 0; j < child_count; j++) { |
| 2396 | reg = readq_relaxed(xp_region + child_poff + j * 8); |
| 2397 | /* |
| 2398 | * Don't even try to touch anything external, since in general |
| 2399 | * we haven't a clue how to power up arbitrary CHI requesters. |
| 2400 | * As of CMN-600r1 these could only be RN-SAMs or CXLAs, |
| 2401 | * neither of which have any PMU events anyway. |
| 2402 | * (Actually, CXLAs do seem to have grown some events in r1p2, |
| 2403 | * but they don't go to regular XP DTMs, and they depend on |
| 2404 | * secure configuration which we can't easily deal with) |
| 2405 | */ |
| 2406 | if (reg & CMN_CHILD_NODE_EXTERNAL) { |
| 2407 | dev_dbg(cmn->dev, "ignoring external node %llx\n", reg); |
| 2408 | continue; |
| 2409 | } |
Ilkka Koskinen | 5057206 | 2024-02-09 17:11:09 +0000 | [diff] [blame] | 2410 | /* |
| 2411 | * AmpereOneX erratum AC04_MESH_1 makes some XPs report a bogus |
| 2412 | * child count larger than the number of valid child pointers. |
| 2413 | * A child offset of 0 can only occur on CMN-600; otherwise it |
| 2414 | * would imply the root node being its own grandchild, which |
| 2415 | * we can safely dismiss in general. |
| 2416 | */ |
| 2417 | if (reg == 0 && cmn->part != PART_CMN600) { |
| 2418 | dev_dbg(cmn->dev, "bogus child pointer?\n"); |
| 2419 | continue; |
| 2420 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2421 | |
| 2422 | arm_cmn_init_node_info(cmn, reg & CMN_CHILD_NODE_ADDR, dn); |
| 2423 | |
| 2424 | switch (dn->type) { |
| 2425 | case CMN_TYPE_DTC: |
| 2426 | cmn->num_dtcs++; |
| 2427 | dn++; |
| 2428 | break; |
| 2429 | /* These guys have PMU events */ |
| 2430 | case CMN_TYPE_DVM: |
| 2431 | case CMN_TYPE_HNI: |
| 2432 | case CMN_TYPE_HNF: |
| 2433 | case CMN_TYPE_SBSX: |
| 2434 | case CMN_TYPE_RNI: |
| 2435 | case CMN_TYPE_RND: |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2436 | case CMN_TYPE_MTSX: |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2437 | case CMN_TYPE_CXRA: |
| 2438 | case CMN_TYPE_CXHA: |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 2439 | case CMN_TYPE_CCRA: |
| 2440 | case CMN_TYPE_CCHA: |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 2441 | case CMN_TYPE_HNS: |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2442 | dn++; |
| 2443 | break; |
Robin Murphy | 88b63a8 | 2024-09-02 18:51:58 +0100 | [diff] [blame] | 2444 | case CMN_TYPE_CCLA: |
| 2445 | dn->pmu_base += CMN_CCLA_PMU_EVENT_SEL; |
| 2446 | dn++; |
| 2447 | break; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2448 | /* Nothing to see here */ |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2449 | case CMN_TYPE_MPAM_S: |
| 2450 | case CMN_TYPE_MPAM_NS: |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2451 | case CMN_TYPE_RNSAM: |
| 2452 | case CMN_TYPE_CXLA: |
Robin Murphy | ac18ea1 | 2023-07-07 17:38:13 +0100 | [diff] [blame] | 2453 | case CMN_TYPE_HNS_MPAM_S: |
| 2454 | case CMN_TYPE_HNS_MPAM_NS: |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 2455 | case CMN_TYPE_APB: |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2456 | break; |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2457 | /* |
| 2458 | * Split "optimised" combination nodes into separate |
| 2459 | * types for the different event sets. Offsetting the |
| 2460 | * base address lets us handle the second pmu_event_sel |
| 2461 | * register via the normal mechanism later. |
| 2462 | */ |
| 2463 | case CMN_TYPE_HNP: |
Robin Murphy | 23760a0 | 2022-04-18 23:57:41 +0100 | [diff] [blame] | 2464 | case CMN_TYPE_CCLA_RNI: |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2465 | dn[1] = dn[0]; |
Robin Murphy | 88b63a8 | 2024-09-02 18:51:58 +0100 | [diff] [blame] | 2466 | dn[0].pmu_base += CMN_CCLA_PMU_EVENT_SEL; |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2467 | dn[1].type = arm_cmn_subtype(dn->type); |
| 2468 | dn += 2; |
| 2469 | break; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2470 | /* Something has gone horribly wrong */ |
| 2471 | default: |
Will Deacon | 887e2cf | 2020-10-01 11:57:01 +0100 | [diff] [blame] | 2472 | dev_err(cmn->dev, "invalid device node type: 0x%x\n", dn->type); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2473 | return -ENODEV; |
| 2474 | } |
| 2475 | } |
| 2476 | } |
| 2477 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2478 | /* Correct for any nodes we added or skipped */ |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2479 | cmn->num_dns = dn - cmn->dns; |
| 2480 | |
Robin Murphy | 8e504d9 | 2022-04-18 23:57:39 +0100 | [diff] [blame] | 2481 | /* Cheeky +1 to help terminate pointer-based iteration later */ |
Robin Murphy | da5f7d2 | 2021-12-03 11:44:54 +0000 | [diff] [blame] | 2482 | sz = (void *)(dn + 1) - (void *)cmn->dns; |
| 2483 | dn = devm_krealloc(cmn->dev, cmn->dns, sz, GFP_KERNEL); |
| 2484 | if (dn) |
| 2485 | cmn->dns = dn; |
| 2486 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2487 | sz = (void *)dtm - (void *)cmn->dtms; |
| 2488 | dtm = devm_krealloc(cmn->dev, cmn->dtms, sz, GFP_KERNEL); |
| 2489 | if (dtm) |
| 2490 | cmn->dtms = dtm; |
| 2491 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2492 | /* |
| 2493 | * If mesh_x wasn't set during discovery then we never saw |
| 2494 | * an XP at (0,1), thus we must have an Nx1 configuration. |
| 2495 | */ |
| 2496 | if (!cmn->mesh_x) |
| 2497 | cmn->mesh_x = cmn->num_xps; |
| 2498 | cmn->mesh_y = cmn->num_xps / cmn->mesh_x; |
| 2499 | |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2500 | /* 1x1 config plays havoc with XP event encodings */ |
| 2501 | if (cmn->num_xps == 1) |
| 2502 | dev_warn(cmn->dev, "1x1 config not fully supported, translate XP events manually\n"); |
| 2503 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2504 | dev_dbg(cmn->dev, "periph_id part 0x%03x revision %d\n", cmn->part, cmn->rev); |
Robin Murphy | 60d1504 | 2021-12-03 11:45:00 +0000 | [diff] [blame] | 2505 | reg = cmn->ports_used; |
| 2506 | dev_dbg(cmn->dev, "mesh %dx%d, ID width %d, ports %6pbl%s\n", |
| 2507 | cmn->mesh_x, cmn->mesh_y, arm_cmn_xyidbits(cmn), ®, |
| 2508 | cmn->multi_dtm ? ", multi-DTM" : ""); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2509 | |
| 2510 | return 0; |
| 2511 | } |
| 2512 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 2513 | static int arm_cmn600_acpi_probe(struct platform_device *pdev, struct arm_cmn *cmn) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2514 | { |
| 2515 | struct resource *cfg, *root; |
| 2516 | |
| 2517 | cfg = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 2518 | if (!cfg) |
| 2519 | return -EINVAL; |
| 2520 | |
| 2521 | root = platform_get_resource(pdev, IORESOURCE_MEM, 1); |
| 2522 | if (!root) |
| 2523 | return -EINVAL; |
| 2524 | |
| 2525 | if (!resource_contains(cfg, root)) |
| 2526 | swap(cfg, root); |
| 2527 | /* |
| 2528 | * Note that devm_ioremap_resource() is dumb and won't let the platform |
| 2529 | * device claim cfg when the ACPI companion device has already claimed |
| 2530 | * root within it. But since they *are* already both claimed in the |
| 2531 | * appropriate name, we don't really need to do it again here anyway. |
| 2532 | */ |
| 2533 | cmn->base = devm_ioremap(cmn->dev, cfg->start, resource_size(cfg)); |
| 2534 | if (!cmn->base) |
| 2535 | return -ENOMEM; |
| 2536 | |
| 2537 | return root->start - cfg->start; |
| 2538 | } |
| 2539 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 2540 | static int arm_cmn600_of_probe(struct device_node *np) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2541 | { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2542 | u32 rootnode; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2543 | |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 2544 | return of_property_read_u32(np, "arm,root-node", &rootnode) ?: rootnode; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2545 | } |
| 2546 | |
| 2547 | static int arm_cmn_probe(struct platform_device *pdev) |
| 2548 | { |
| 2549 | struct arm_cmn *cmn; |
| 2550 | const char *name; |
| 2551 | static atomic_t id; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2552 | int err, rootnode, this_id; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2553 | |
| 2554 | cmn = devm_kzalloc(&pdev->dev, sizeof(*cmn), GFP_KERNEL); |
| 2555 | if (!cmn) |
| 2556 | return -ENOMEM; |
| 2557 | |
| 2558 | cmn->dev = &pdev->dev; |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2559 | cmn->part = (unsigned long)device_get_match_data(cmn->dev); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2560 | platform_set_drvdata(pdev, cmn); |
| 2561 | |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2562 | if (cmn->part == PART_CMN600 && has_acpi_companion(cmn->dev)) { |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 2563 | rootnode = arm_cmn600_acpi_probe(pdev, cmn); |
| 2564 | } else { |
| 2565 | rootnode = 0; |
| 2566 | cmn->base = devm_platform_ioremap_resource(pdev, 0); |
| 2567 | if (IS_ERR(cmn->base)) |
| 2568 | return PTR_ERR(cmn->base); |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2569 | if (cmn->part == PART_CMN600) |
Robin Murphy | 61ec1d8 | 2021-12-03 11:44:59 +0000 | [diff] [blame] | 2570 | rootnode = arm_cmn600_of_probe(pdev->dev.of_node); |
| 2571 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2572 | if (rootnode < 0) |
| 2573 | return rootnode; |
| 2574 | |
| 2575 | err = arm_cmn_discover(cmn, rootnode); |
| 2576 | if (err) |
| 2577 | return err; |
| 2578 | |
| 2579 | err = arm_cmn_init_dtcs(cmn); |
| 2580 | if (err) |
| 2581 | return err; |
| 2582 | |
| 2583 | err = arm_cmn_init_irqs(cmn); |
| 2584 | if (err) |
| 2585 | return err; |
| 2586 | |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2587 | cmn->cpu = cpumask_local_spread(0, dev_to_node(cmn->dev)); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2588 | cmn->pmu = (struct pmu) { |
| 2589 | .module = THIS_MODULE, |
Robin Murphy | 8f9f504 | 2024-04-09 18:15:17 +0100 | [diff] [blame] | 2590 | .parent = cmn->dev, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2591 | .attr_groups = arm_cmn_attr_groups, |
| 2592 | .capabilities = PERF_PMU_CAP_NO_EXCLUDE, |
| 2593 | .task_ctx_nr = perf_invalid_context, |
| 2594 | .pmu_enable = arm_cmn_pmu_enable, |
| 2595 | .pmu_disable = arm_cmn_pmu_disable, |
| 2596 | .event_init = arm_cmn_event_init, |
| 2597 | .add = arm_cmn_event_add, |
| 2598 | .del = arm_cmn_event_del, |
| 2599 | .start = arm_cmn_event_start, |
| 2600 | .stop = arm_cmn_event_stop, |
| 2601 | .read = arm_cmn_event_read, |
| 2602 | .start_txn = arm_cmn_start_txn, |
| 2603 | .commit_txn = arm_cmn_commit_txn, |
| 2604 | .cancel_txn = arm_cmn_end_txn, |
| 2605 | }; |
| 2606 | |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2607 | this_id = atomic_fetch_inc(&id); |
| 2608 | name = devm_kasprintf(cmn->dev, GFP_KERNEL, "arm_cmn_%d", this_id); |
Robin Murphy | 79d7c3d | 2021-01-28 13:12:43 +0000 | [diff] [blame] | 2609 | if (!name) |
| 2610 | return -ENOMEM; |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2611 | |
| 2612 | err = cpuhp_state_add_instance(arm_cmn_hp_state, &cmn->cpuhp_node); |
| 2613 | if (err) |
| 2614 | return err; |
| 2615 | |
| 2616 | err = perf_pmu_register(&cmn->pmu, name, -1); |
| 2617 | if (err) |
Robin Murphy | 56c7c6e | 2021-12-03 11:44:50 +0000 | [diff] [blame] | 2618 | cpuhp_state_remove_instance_nocalls(arm_cmn_hp_state, &cmn->cpuhp_node); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2619 | else |
| 2620 | arm_cmn_debugfs_init(cmn, this_id); |
Robin Murphy | 56c7c6e | 2021-12-03 11:44:50 +0000 | [diff] [blame] | 2621 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2622 | return err; |
| 2623 | } |
| 2624 | |
Uwe Kleine-König | 3909cb3 | 2023-12-15 14:59:05 +0100 | [diff] [blame] | 2625 | static void arm_cmn_remove(struct platform_device *pdev) |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2626 | { |
| 2627 | struct arm_cmn *cmn = platform_get_drvdata(pdev); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2628 | |
| 2629 | writel_relaxed(0, cmn->dtc[0].base + CMN_DT_DTC_CTL); |
| 2630 | |
| 2631 | perf_pmu_unregister(&cmn->pmu); |
Robin Murphy | 56c7c6e | 2021-12-03 11:44:50 +0000 | [diff] [blame] | 2632 | cpuhp_state_remove_instance_nocalls(arm_cmn_hp_state, &cmn->cpuhp_node); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2633 | debugfs_remove(cmn->debug); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2634 | } |
| 2635 | |
| 2636 | #ifdef CONFIG_OF |
| 2637 | static const struct of_device_id arm_cmn_of_match[] = { |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2638 | { .compatible = "arm,cmn-600", .data = (void *)PART_CMN600 }, |
| 2639 | { .compatible = "arm,cmn-650" }, |
| 2640 | { .compatible = "arm,cmn-700" }, |
Robin Murphy | 0dc2f49 | 2024-09-02 18:52:04 +0100 | [diff] [blame] | 2641 | { .compatible = "arm,cmn-s3" }, |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2642 | { .compatible = "arm,ci-700" }, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2643 | {} |
| 2644 | }; |
| 2645 | MODULE_DEVICE_TABLE(of, arm_cmn_of_match); |
| 2646 | #endif |
| 2647 | |
| 2648 | #ifdef CONFIG_ACPI |
| 2649 | static const struct acpi_device_id arm_cmn_acpi_match[] = { |
Robin Murphy | 7819e05 | 2023-06-12 18:16:32 +0100 | [diff] [blame] | 2650 | { "ARMHC600", PART_CMN600 }, |
| 2651 | { "ARMHC650" }, |
| 2652 | { "ARMHC700" }, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2653 | {} |
| 2654 | }; |
| 2655 | MODULE_DEVICE_TABLE(acpi, arm_cmn_acpi_match); |
| 2656 | #endif |
| 2657 | |
| 2658 | static struct platform_driver arm_cmn_driver = { |
| 2659 | .driver = { |
| 2660 | .name = "arm-cmn", |
| 2661 | .of_match_table = of_match_ptr(arm_cmn_of_match), |
| 2662 | .acpi_match_table = ACPI_PTR(arm_cmn_acpi_match), |
| 2663 | }, |
| 2664 | .probe = arm_cmn_probe, |
Uwe Kleine-König | 3909cb3 | 2023-12-15 14:59:05 +0100 | [diff] [blame] | 2665 | .remove_new = arm_cmn_remove, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2666 | }; |
| 2667 | |
| 2668 | static int __init arm_cmn_init(void) |
| 2669 | { |
| 2670 | int ret; |
| 2671 | |
| 2672 | ret = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, |
Robin Murphy | 6190741 | 2021-12-03 11:44:51 +0000 | [diff] [blame] | 2673 | "perf/arm/cmn:online", |
| 2674 | arm_cmn_pmu_online_cpu, |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2675 | arm_cmn_pmu_offline_cpu); |
| 2676 | if (ret < 0) |
| 2677 | return ret; |
| 2678 | |
| 2679 | arm_cmn_hp_state = ret; |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2680 | arm_cmn_debugfs = debugfs_create_dir("arm-cmn", NULL); |
| 2681 | |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2682 | ret = platform_driver_register(&arm_cmn_driver); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2683 | if (ret) { |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2684 | cpuhp_remove_multi_state(arm_cmn_hp_state); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2685 | debugfs_remove(arm_cmn_debugfs); |
| 2686 | } |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2687 | return ret; |
| 2688 | } |
| 2689 | |
| 2690 | static void __exit arm_cmn_exit(void) |
| 2691 | { |
| 2692 | platform_driver_unregister(&arm_cmn_driver); |
| 2693 | cpuhp_remove_multi_state(arm_cmn_hp_state); |
Robin Murphy | a88fa6c | 2021-12-03 11:45:03 +0000 | [diff] [blame] | 2694 | debugfs_remove(arm_cmn_debugfs); |
Robin Murphy | 0ba6477 | 2020-09-18 14:28:38 +0100 | [diff] [blame] | 2695 | } |
| 2696 | |
| 2697 | module_init(arm_cmn_init); |
| 2698 | module_exit(arm_cmn_exit); |
| 2699 | |
| 2700 | MODULE_AUTHOR("Robin Murphy <robin.murphy@arm.com>"); |
| 2701 | MODULE_DESCRIPTION("Arm CMN-600 PMU driver"); |
| 2702 | MODULE_LICENSE("GPL v2"); |