/* SPDX-License-Identifier: GPL-2.0 */ /* * arm_spe_decoder.h: Arm Statistical Profiling Extensions support * Copyright (c) 2019-2020, Arm Ltd. */ #ifndef INCLUDE__ARM_SPE_DECODER_H__ #define INCLUDE__ARM_SPE_DECODER_H__ #include <stdbool.h> #include <stddef.h> #include <stdint.h> #include "arm-spe-pkt-decoder.h" enum arm_spe_sample_type { ARM_SPE_L1D_ACCESS = 1 << 0, ARM_SPE_L1D_MISS = 1 << 1, ARM_SPE_LLC_ACCESS = 1 << 2, ARM_SPE_LLC_MISS = 1 << 3, ARM_SPE_TLB_ACCESS = 1 << 4, ARM_SPE_TLB_MISS = 1 << 5, ARM_SPE_BRANCH_MISS = 1 << 6, ARM_SPE_REMOTE_ACCESS = 1 << 7, }; enum arm_spe_op_type { ARM_SPE_LD = 1 << 0, ARM_SPE_ST = 1 << 1, }; struct arm_spe_record { enum arm_spe_sample_type type; int err; u32 op; u64 from_ip; u64 to_ip; u64 timestamp; u64 virt_addr; u64 phys_addr; u64 context_id; }; struct arm_spe_insn; struct arm_spe_buffer { const unsigned char *buf; size_t len; u64 offset; u64 trace_nr; }; struct arm_spe_params { int (*get_trace)(struct arm_spe_buffer *buffer, void *data); void *data; }; struct arm_spe_decoder { int (*get_trace)(struct arm_spe_buffer *buffer, void *data); void *data; struct arm_spe_record record; const unsigned char *buf; size_t len; struct arm_spe_pkt packet; }; struct arm_spe_decoder *arm_spe_decoder_new(struct arm_spe_params *params); void arm_spe_decoder_free(struct arm_spe_decoder *decoder); int arm_spe_decode(struct arm_spe_decoder *decoder); #endif