/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> */ #ifndef INCLUDE__UTIL_PERF_CS_ETM_H__ #define INCLUDE__UTIL_PERF_CS_ETM_H__ #include "util/event.h" #include "util/session.h" /* Versionning header in case things need tro change in the future. That way * decoding of old snapshot is still possible. */ enum { /* Starting with 0x0 */ CS_HEADER_VERSION_0, /* PMU->type (32 bit), total # of CPUs (32 bit) */ CS_PMU_TYPE_CPUS, CS_ETM_SNAPSHOT, CS_HEADER_VERSION_0_MAX, }; /* Beginning of header common to both ETMv3 and V4 */ enum { CS_ETM_MAGIC, CS_ETM_CPU, }; /* ETMv3/PTM metadata */ enum { /* Dynamic, configurable parameters */ CS_ETM_ETMCR = CS_ETM_CPU + 1, CS_ETM_ETMTRACEIDR, /* RO, taken from sysFS */ CS_ETM_ETMCCER, CS_ETM_ETMIDR, CS_ETM_PRIV_MAX, }; /* ETMv4 metadata */ enum { /* Dynamic, configurable parameters */ CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1, CS_ETMV4_TRCTRACEIDR, /* RO, taken from sysFS */ CS_ETMV4_TRCIDR0, CS_ETMV4_TRCIDR1, CS_ETMV4_TRCIDR2, CS_ETMV4_TRCIDR8, CS_ETMV4_TRCAUTHSTATUS, CS_ETMV4_PRIV_MAX, }; /* RB tree for quick conversion between traceID and CPUs */ struct intlist *traceid_list; #define KiB(x) ((x) * 1024) #define MiB(x) ((x) * 1024 * 1024) #define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64)) static const u64 __perf_cs_etmv3_magic = 0x3030303030303030ULL; static const u64 __perf_cs_etmv4_magic = 0x4040404040404040ULL; #define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64)) #define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX * sizeof(u64)) #ifdef HAVE_CSTRACE_SUPPORT int cs_etm__process_auxtrace_info(union perf_event *event, struct perf_session *session); #else static inline int cs_etm__process_auxtrace_info(union perf_event *event __maybe_unused, struct perf_session *session __maybe_unused) { return -1; } #endif #endif