diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm-perf.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm-perf.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.h b/drivers/hwtracing/coresight/coresight-etm-perf.h index 87f5a134eb6f..3ffc9feb2d64 100644 --- a/drivers/hwtracing/coresight/coresight-etm-perf.h +++ b/drivers/hwtracing/coresight/coresight-etm-perf.h @@ -18,8 +18,42 @@ #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); |