/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> */ #ifndef _CORESIGHT_ETM_PERF_H #define _CORESIGHT_ETM_PERF_H #include "coresight-priv.h" struct coresight_device; /* * In both ETMv3 and v4 the maximum number of address comparator implentable * is 8. The actual number is implementation specific and will be checked * when filters are applied. */ #define ETM_ADDR_CMP_MAX 8 /** * struct etm_filter - single instruction range or start/stop configuration. * @start_addr: The address to start tracing on. * @stop_addr: The address to stop tracing on. * @type: Is this a range or start/stop filter. */ struct etm_filter { unsigned long start_addr; unsigned long stop_addr; enum etm_addr_type type; }; /** * struct etm_filters - set of filters for a session * @etm_filter: All the filters for this session. * @nr_filters: Number of filters * @ssstatus: Status of the start/stop logic. */ struct etm_filters { struct etm_filter etm_filter[ETM_ADDR_CMP_MAX]; unsigned int nr_filters; bool ssstatus; }; #ifdef CONFIG_CORESIGHT int etm_perf_symlink(struct coresight_device *csdev, bool link); #else static inline int etm_perf_symlink(struct coresight_device *csdev, bool link) { return -EINVAL; } #endif /* CONFIG_CORESIGHT */ #endif