1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * arm_spe_decoder.h: Arm Statistical Profiling Extensions support 4 * Copyright (c) 2019-2020, Arm Ltd. 5 */ 6 7 #ifndef INCLUDE__ARM_SPE_DECODER_H__ 8 #define INCLUDE__ARM_SPE_DECODER_H__ 9 10 #include <stdbool.h> 11 #include <stddef.h> 12 #include <stdint.h> 13 14 #include "arm-spe-pkt-decoder.h" 15 16 #define ARM_SPE_L1D_ACCESS BIT(EV_L1D_ACCESS) 17 #define ARM_SPE_L1D_MISS BIT(EV_L1D_REFILL) 18 #define ARM_SPE_LLC_ACCESS BIT(EV_LLC_ACCESS) 19 #define ARM_SPE_LLC_MISS BIT(EV_LLC_MISS) 20 #define ARM_SPE_TLB_ACCESS BIT(EV_TLB_ACCESS) 21 #define ARM_SPE_TLB_MISS BIT(EV_TLB_WALK) 22 #define ARM_SPE_BRANCH_MISS BIT(EV_MISPRED) 23 #define ARM_SPE_BRANCH_NOT_TAKEN BIT(EV_NOT_TAKEN) 24 #define ARM_SPE_REMOTE_ACCESS BIT(EV_REMOTE_ACCESS) 25 #define ARM_SPE_SVE_PARTIAL_PRED BIT(EV_PARTIAL_PREDICATE) 26 #define ARM_SPE_SVE_EMPTY_PRED BIT(EV_EMPTY_PREDICATE) 27 #define ARM_SPE_IN_TXN BIT(EV_TRANSACTIONAL) 28 #define ARM_SPE_L2D_ACCESS BIT(EV_L2D_ACCESS) 29 #define ARM_SPE_L2D_MISS BIT(EV_L2D_MISS) 30 #define ARM_SPE_RECENTLY_FETCHED BIT(EV_RECENTLY_FETCHED) 31 #define ARM_SPE_DATA_SNOOPED BIT(EV_DATA_SNOOPED) 32 #define ARM_SPE_HITM BIT(EV_CACHE_DATA_MODIFIED) 33 34 enum arm_spe_op_type { 35 /* First level operation type */ 36 ARM_SPE_OP_OTHER = 1 << 0, 37 ARM_SPE_OP_LDST = 1 << 1, 38 ARM_SPE_OP_BRANCH_ERET = 1 << 2, 39 40 /* Second level operation type for OTHER */ 41 ARM_SPE_OP_SVE_OTHER = 1 << 16, 42 43 /* Second level operation type for LDST */ 44 ARM_SPE_OP_LD = 1 << 16, 45 ARM_SPE_OP_ST = 1 << 17, 46 ARM_SPE_OP_ATOMIC = 1 << 18, 47 ARM_SPE_OP_EXCL = 1 << 19, 48 ARM_SPE_OP_AR = 1 << 20, 49 ARM_SPE_OP_SIMD_FP = 1 << 21, 50 ARM_SPE_OP_GP_REG = 1 << 22, 51 ARM_SPE_OP_UNSPEC_REG = 1 << 23, 52 ARM_SPE_OP_NV_SYSREG = 1 << 24, 53 ARM_SPE_OP_SVE_LDST = 1 << 25, 54 55 /* Second level operation type for BRANCH_ERET */ 56 ARM_SPE_OP_BR_COND = 1 << 16, 57 ARM_SPE_OP_BR_INDIRECT = 1 << 17, 58 ARM_SPE_OP_BR_GCS = 1 << 18, 59 ARM_SPE_OP_BR_CR_BL = 1 << 19, 60 ARM_SPE_OP_BR_CR_RET = 1 << 20, 61 ARM_SPE_OP_BR_CR_NON_BL_RET = 1 << 21, 62 }; 63 64 enum arm_spe_common_data_source { 65 ARM_SPE_COMMON_DS_L1D = 0x0, 66 ARM_SPE_COMMON_DS_L2 = 0x8, 67 ARM_SPE_COMMON_DS_PEER_CORE = 0x9, 68 ARM_SPE_COMMON_DS_LOCAL_CLUSTER = 0xa, 69 ARM_SPE_COMMON_DS_SYS_CACHE = 0xb, 70 ARM_SPE_COMMON_DS_PEER_CLUSTER = 0xc, 71 ARM_SPE_COMMON_DS_REMOTE = 0xd, 72 ARM_SPE_COMMON_DS_DRAM = 0xe, 73 }; 74 75 enum arm_spe_ampereone_data_source { 76 ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE = 0x0, 77 ARM_SPE_AMPEREONE_SLC = 0x3, 78 ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE = 0x5, 79 ARM_SPE_AMPEREONE_DDR = 0x7, 80 ARM_SPE_AMPEREONE_L1D = 0x8, 81 ARM_SPE_AMPEREONE_L2D = 0x9, 82 }; 83 84 enum arm_spe_hisi_hip_data_source { 85 ARM_SPE_HISI_HIP_PEER_CPU = 0, 86 ARM_SPE_HISI_HIP_PEER_CPU_HITM = 1, 87 ARM_SPE_HISI_HIP_L3 = 2, 88 ARM_SPE_HISI_HIP_L3_HITM = 3, 89 ARM_SPE_HISI_HIP_PEER_CLUSTER = 4, 90 ARM_SPE_HISI_HIP_PEER_CLUSTER_HITM = 5, 91 ARM_SPE_HISI_HIP_REMOTE_SOCKET = 6, 92 ARM_SPE_HISI_HIP_REMOTE_SOCKET_HITM = 7, 93 ARM_SPE_HISI_HIP_LOCAL_MEM = 8, 94 ARM_SPE_HISI_HIP_REMOTE_MEM = 9, 95 ARM_SPE_HISI_HIP_NC_DEV = 13, 96 ARM_SPE_HISI_HIP_L2 = 16, 97 ARM_SPE_HISI_HIP_L2_HITM = 17, 98 ARM_SPE_HISI_HIP_L1 = 18, 99 }; 100 101 struct arm_spe_record { 102 u64 type; 103 int err; 104 u32 op; 105 u32 latency; 106 u64 from_ip; 107 u64 to_ip; 108 u64 prev_br_tgt; 109 u64 timestamp; 110 u64 virt_addr; 111 u64 phys_addr; 112 u64 context_id; 113 u16 source; 114 }; 115 116 struct arm_spe_insn; 117 118 struct arm_spe_buffer { 119 const unsigned char *buf; 120 size_t len; 121 u64 offset; 122 u64 trace_nr; 123 }; 124 125 struct arm_spe_params { 126 int (*get_trace)(struct arm_spe_buffer *buffer, void *data); 127 void *data; 128 }; 129 130 struct arm_spe_decoder { 131 int (*get_trace)(struct arm_spe_buffer *buffer, void *data); 132 void *data; 133 struct arm_spe_record record; 134 135 const unsigned char *buf; 136 size_t len; 137 138 struct arm_spe_pkt packet; 139 }; 140 141 struct arm_spe_decoder *arm_spe_decoder_new(struct arm_spe_params *params); 142 void arm_spe_decoder_free(struct arm_spe_decoder *decoder); 143 144 int arm_spe_decode(struct arm_spe_decoder *decoder); 145 146 #endif 147