X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-abi-internal.h;h=652e4760f07abb4ee897bb384a9a41a3ae9c0bd3;hp=5515613462f258bb24d702c660eb7cb6551b05f6;hb=0cee7f0d8cbcd73e5b302a13884d82f8fcddbc60;hpb=75018ab6aaa9b49e6248b002d9795319a0e5bb9a diff --git a/src/bin/lttng-sessiond/ust-abi-internal.h b/src/bin/lttng-sessiond/ust-abi-internal.h index 551561346..652e4760f 100644 --- a/src/bin/lttng-sessiond/ust-abi-internal.h +++ b/src/bin/lttng-sessiond/ust-abi-internal.h @@ -1,221 +1,299 @@ /* - * lttng/ust-abi.h + * Copyright 2010-2012 Mathieu Desnoyers * - * LTTng-UST ABI header - * - * Copyright 2010-2012 - Mathieu Desnoyers + * SPDX-License-Identifier: MIT * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: + * Copied from LTTng-UST lttng/ust-abi.h * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. + * LTTng-UST ABI header * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. */ #ifndef LTTNG_UST_ABI_INTERNAL_H #define LTTNG_UST_ABI_INTERNAL_H #include +#include -#define lttng_ust_notrace __attribute__((no_instrument_function)) -#define LTTNG_PACKED __attribute__((__packed__)) +#ifndef LTTNG_PACKED +#error "LTTNG_PACKED should be defined" +#endif #ifndef __ust_stringify #define __ust_stringify1(x) #x #define __ust_stringify(x) __ust_stringify1(x) #endif /* __ust_stringify */ -#define LTTNG_UST_SYM_NAME_LEN 256 +#define LTTNG_UST_ABI_SYM_NAME_LEN 256 #define LTTNG_UST_ABI_PROCNAME_LEN 16 /* UST comm magic number, used to validate protocol and endianness. */ -#define LTTNG_UST_COMM_MAGIC 0xC57C57C5 +#define LTTNG_UST_ABI_COMM_MAGIC 0xC57C57C5 /* Version for ABI between liblttng-ust, sessiond, consumerd */ -#define LTTNG_UST_ABI_MAJOR_VERSION 8 +#define LTTNG_UST_ABI_MAJOR_VERSION 9 +#define LTTNG_UST_ABI_MAJOR_VERSION_OLDEST_COMPATIBLE 8 #define LTTNG_UST_ABI_MINOR_VERSION 0 -struct lttng_ust_calibrate; - -enum lttng_ust_instrumentation { - LTTNG_UST_TRACEPOINT = 0, - LTTNG_UST_PROBE = 1, - LTTNG_UST_FUNCTION = 2, +enum lttng_ust_abi_instrumentation { + LTTNG_UST_ABI_TRACEPOINT = 0, + LTTNG_UST_ABI_PROBE = 1, + LTTNG_UST_ABI_FUNCTION = 2, }; -enum lttng_ust_loglevel_type { - LTTNG_UST_LOGLEVEL_ALL = 0, - LTTNG_UST_LOGLEVEL_RANGE = 1, - LTTNG_UST_LOGLEVEL_SINGLE = 2, +enum lttng_ust_abi_loglevel_type { + LTTNG_UST_ABI_LOGLEVEL_ALL = 0, + LTTNG_UST_ABI_LOGLEVEL_RANGE = 1, + LTTNG_UST_ABI_LOGLEVEL_SINGLE = 2, }; -enum lttng_ust_output { - LTTNG_UST_MMAP = 0, +enum lttng_ust_abi_output { + LTTNG_UST_ABI_MMAP = 0, }; -enum lttng_ust_chan_type { - LTTNG_UST_CHAN_PER_CPU = 0, - LTTNG_UST_CHAN_METADATA = 1, +enum lttng_ust_abi_chan_type { + LTTNG_UST_ABI_CHAN_PER_CPU = 0, + LTTNG_UST_ABI_CHAN_METADATA = 1, }; -struct lttng_ust_tracer_version { +struct lttng_ust_abi_tracer_version { uint32_t major; uint32_t minor; uint32_t patchlevel; } LTTNG_PACKED; -#define LTTNG_UST_CHANNEL_PADDING (LTTNG_UST_SYM_NAME_LEN + 32) +#define LTTNG_UST_ABI_CHANNEL_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32) /* * Given that the consumerd is limited to 64k file descriptors, we * cannot expect much more than 1MB channel structure size. This size is * depends on the number of streams within a channel, which depends on * the number of possible CPUs on the system. */ -#define LTTNG_UST_CHANNEL_DATA_MAX_LEN 1048576U -struct lttng_ust_channel { +#define LTTNG_UST_ABI_CHANNEL_DATA_MAX_LEN 1048576U +struct lttng_ust_abi_channel { uint64_t len; - enum lttng_ust_chan_type type; - char padding[LTTNG_UST_CHANNEL_PADDING]; + int32_t type; /* enum lttng_ust_abi_chan_type */ + char padding[LTTNG_UST_ABI_CHANNEL_PADDING]; char data[]; /* variable sized data */ } LTTNG_PACKED; -#define LTTNG_UST_STREAM_PADDING1 (LTTNG_UST_SYM_NAME_LEN + 32) -struct lttng_ust_stream { +#define LTTNG_UST_ABI_STREAM_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_stream { uint64_t len; /* shm len */ uint32_t stream_nr; /* stream number */ - char padding[LTTNG_UST_STREAM_PADDING1]; + char padding[LTTNG_UST_ABI_STREAM_PADDING1]; /* * shm_fd and wakeup_fd are send over unix socket as file * descriptors after this structure. */ } LTTNG_PACKED; -#define LTTNG_UST_EVENT_PADDING1 16 -#define LTTNG_UST_EVENT_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) -struct lttng_ust_event { - enum lttng_ust_instrumentation instrumentation; - char name[LTTNG_UST_SYM_NAME_LEN]; /* event name */ +#define LTTNG_UST_ABI_COUNTER_DIMENSION_MAX 4 + +enum lttng_ust_abi_counter_arithmetic { + LTTNG_UST_ABI_COUNTER_ARITHMETIC_MODULAR = 0, + LTTNG_UST_ABI_COUNTER_ARITHMETIC_SATURATION = 1, +}; + +enum lttng_ust_abi_counter_bitness { + LTTNG_UST_ABI_COUNTER_BITNESS_32 = 0, + LTTNG_UST_ABI_COUNTER_BITNESS_64 = 1, +}; + +struct lttng_ust_abi_counter_dimension { + uint64_t size; + uint64_t underflow_index; + uint64_t overflow_index; + uint8_t has_underflow; + uint8_t has_overflow; +} LTTNG_PACKED; + +#define LTTNG_UST_ABI_COUNTER_CONF_PADDING1 67 +struct lttng_ust_abi_counter_conf { + uint32_t arithmetic; /* enum lttng_ust_abi_counter_arithmetic */ + uint32_t bitness; /* enum lttng_ust_abi_counter_bitness */ + uint32_t number_dimensions; + int64_t global_sum_step; + struct lttng_ust_abi_counter_dimension dimensions[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX]; + uint8_t coalesce_hits; + char padding[LTTNG_UST_ABI_COUNTER_CONF_PADDING1]; +} LTTNG_PACKED; - enum lttng_ust_loglevel_type loglevel_type; - int loglevel; /* value, -1: all */ - char padding[LTTNG_UST_EVENT_PADDING1]; +struct lttng_ust_abi_counter_value { + uint32_t number_dimensions; + uint64_t dimension_indexes[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX]; + int64_t value; +} LTTNG_PACKED; + +#define LTTNG_UST_ABI_EVENT_PADDING1 8 +#define LTTNG_UST_ABI_EVENT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_event { + int32_t instrumentation; /* enum lttng_ust_abi_instrumentation */ + char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* event name */ + + int32_t loglevel_type; /* enum lttng_ust_abi_loglevel_type */ + int32_t loglevel; /* value, -1: all */ + uint64_t token; /* User-provided token */ + char padding[LTTNG_UST_ABI_EVENT_PADDING1]; /* Per instrumentation type configuration */ union { - char padding[LTTNG_UST_EVENT_PADDING2]; + char padding[LTTNG_UST_ABI_EVENT_PADDING2]; } u; } LTTNG_PACKED; -enum lttng_ust_field_type { - LTTNG_UST_FIELD_OTHER = 0, - LTTNG_UST_FIELD_INTEGER = 1, - LTTNG_UST_FIELD_ENUM = 2, - LTTNG_UST_FIELD_FLOAT = 3, - LTTNG_UST_FIELD_STRING = 4, +#define LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING 32 +struct lttng_ust_abi_event_notifier { + struct lttng_ust_abi_event event; + uint64_t error_counter_index; + char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING]; +} LTTNG_PACKED; + +#define LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32 +struct lttng_ust_abi_event_notifier_notification { + uint64_t token; + uint16_t capture_buf_size; + char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING]; +} LTTNG_PACKED; + +#define LTTNG_UST_ABI_COUNTER_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +#define LTTNG_UST_ABI_COUNTER_DATA_MAX_LEN 4096U +struct lttng_ust_abi_counter { + uint64_t len; + char padding[LTTNG_UST_ABI_COUNTER_PADDING1]; + char data[]; /* variable sized data */ +} LTTNG_PACKED; + +#define LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_counter_global { + uint64_t len; /* shm len */ + char padding[LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1]; +} LTTNG_PACKED; + +#define LTTNG_UST_ABI_COUNTER_CPU_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_counter_cpu { + uint64_t len; /* shm len */ + uint32_t cpu_nr; + char padding[LTTNG_UST_ABI_COUNTER_CPU_PADDING1]; +} LTTNG_PACKED; + +enum lttng_ust_abi_field_type { + LTTNG_UST_ABI_FIELD_OTHER = 0, + LTTNG_UST_ABI_FIELD_INTEGER = 1, + LTTNG_UST_ABI_FIELD_ENUM = 2, + LTTNG_UST_ABI_FIELD_FLOAT = 3, + LTTNG_UST_ABI_FIELD_STRING = 4, }; -#define LTTNG_UST_FIELD_ITER_PADDING (LTTNG_UST_SYM_NAME_LEN + 28) -struct lttng_ust_field_iter { - char event_name[LTTNG_UST_SYM_NAME_LEN]; - char field_name[LTTNG_UST_SYM_NAME_LEN]; - enum lttng_ust_field_type type; +#define LTTNG_UST_ABI_FIELD_ITER_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 28) +struct lttng_ust_abi_field_iter { + char event_name[LTTNG_UST_ABI_SYM_NAME_LEN]; + char field_name[LTTNG_UST_ABI_SYM_NAME_LEN]; + int32_t type; /* enum lttng_ust_abi_field_type */ int loglevel; /* event loglevel */ int nowrite; - char padding[LTTNG_UST_FIELD_ITER_PADDING]; + char padding[LTTNG_UST_ABI_FIELD_ITER_PADDING]; } LTTNG_PACKED; -enum lttng_ust_context_type { - LTTNG_UST_CONTEXT_VTID = 0, - LTTNG_UST_CONTEXT_VPID = 1, - LTTNG_UST_CONTEXT_PTHREAD_ID = 2, - LTTNG_UST_CONTEXT_PROCNAME = 3, - LTTNG_UST_CONTEXT_IP = 4, - LTTNG_UST_CONTEXT_PERF_THREAD_COUNTER = 5, - LTTNG_UST_CONTEXT_CPU_ID = 6, - LTTNG_UST_CONTEXT_APP_CONTEXT = 7, +enum lttng_ust_abi_context_type { + LTTNG_UST_ABI_CONTEXT_VTID = 0, + LTTNG_UST_ABI_CONTEXT_VPID = 1, + LTTNG_UST_ABI_CONTEXT_PTHREAD_ID = 2, + LTTNG_UST_ABI_CONTEXT_PROCNAME = 3, + LTTNG_UST_ABI_CONTEXT_IP = 4, + LTTNG_UST_ABI_CONTEXT_PERF_THREAD_COUNTER = 5, + LTTNG_UST_ABI_CONTEXT_CPU_ID = 6, + LTTNG_UST_ABI_CONTEXT_APP_CONTEXT = 7, + LTTNG_UST_ABI_CONTEXT_CGROUP_NS = 8, + LTTNG_UST_ABI_CONTEXT_IPC_NS = 9, + LTTNG_UST_ABI_CONTEXT_MNT_NS = 10, + LTTNG_UST_ABI_CONTEXT_NET_NS = 11, + LTTNG_UST_ABI_CONTEXT_PID_NS = 12, + LTTNG_UST_ABI_CONTEXT_USER_NS = 13, + LTTNG_UST_ABI_CONTEXT_UTS_NS = 14, + LTTNG_UST_ABI_CONTEXT_VUID = 15, + LTTNG_UST_ABI_CONTEXT_VEUID = 16, + LTTNG_UST_ABI_CONTEXT_VSUID = 17, + LTTNG_UST_ABI_CONTEXT_VGID = 18, + LTTNG_UST_ABI_CONTEXT_VEGID = 19, + LTTNG_UST_ABI_CONTEXT_VSGID = 20, + LTTNG_UST_ABI_CONTEXT_TIME_NS = 21, }; -struct lttng_ust_perf_counter_ctx { +struct lttng_ust_abi_perf_counter_ctx { uint32_t type; uint64_t config; - char name[LTTNG_UST_SYM_NAME_LEN]; + char name[LTTNG_UST_ABI_SYM_NAME_LEN]; } LTTNG_PACKED; -#define LTTNG_UST_CONTEXT_PADDING1 16 -#define LTTNG_UST_CONTEXT_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) -struct lttng_ust_context { - enum lttng_ust_context_type ctx; - char padding[LTTNG_UST_CONTEXT_PADDING1]; +#define LTTNG_UST_ABI_CONTEXT_PADDING1 16 +#define LTTNG_UST_ABI_CONTEXT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_context { + int32_t ctx; /* enum lttng_ust_abi_context_type */ + char padding[LTTNG_UST_ABI_CONTEXT_PADDING1]; union { - struct lttng_ust_perf_counter_ctx perf_counter; + struct lttng_ust_abi_perf_counter_ctx perf_counter; struct { /* Includes trailing '\0'. */ uint32_t provider_name_len; uint32_t ctx_name_len; } app_ctx; - char padding[LTTNG_UST_CONTEXT_PADDING2]; + char padding[LTTNG_UST_ABI_CONTEXT_PADDING2]; } u; } LTTNG_PACKED; /* * Tracer channel attributes. */ -#define LTTNG_UST_CHANNEL_ATTR_PADDING (LTTNG_UST_SYM_NAME_LEN + 32) -struct lttng_ust_channel_attr { - uint64_t subbuf_size; /* bytes, power of 2 */ +#define LTTNG_UST_ABI_CHANNEL_ATTR_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_channel_attr { + uint64_t subbuf_size; /* bytes */ uint64_t num_subbuf; /* power of 2 */ int overwrite; /* 1: overwrite, 0: discard */ unsigned int switch_timer_interval; /* usec */ unsigned int read_timer_interval; /* usec */ - enum lttng_ust_output output; /* splice, mmap */ + int32_t output; /* enum lttng_ust_abi_output */ union { struct { - int64_t blocking_timeout; /* Retry timeout (usec) */ + int64_t blocking_timeout; /* Blocking timeout (usec) */ } s; - char padding[LTTNG_UST_CHANNEL_ATTR_PADDING]; + char padding[LTTNG_UST_ABI_CHANNEL_ATTR_PADDING]; } u; } LTTNG_PACKED; -#define LTTNG_UST_TRACEPOINT_ITER_PADDING 16 -struct lttng_ust_tracepoint_iter { - char name[LTTNG_UST_SYM_NAME_LEN]; /* provider:name */ +#define LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING 16 +struct lttng_ust_abi_tracepoint_iter { + char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* provider:name */ int loglevel; - char padding[LTTNG_UST_TRACEPOINT_ITER_PADDING]; + char padding[LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING]; } LTTNG_PACKED; -enum lttng_ust_object_type { - LTTNG_UST_OBJECT_TYPE_UNKNOWN = -1, - LTTNG_UST_OBJECT_TYPE_CHANNEL = 0, - LTTNG_UST_OBJECT_TYPE_STREAM = 1, - LTTNG_UST_OBJECT_TYPE_EVENT = 2, - LTTNG_UST_OBJECT_TYPE_CONTEXT = 3, +enum lttng_ust_abi_object_type { + LTTNG_UST_ABI_OBJECT_TYPE_UNKNOWN = -1, + LTTNG_UST_ABI_OBJECT_TYPE_CHANNEL = 0, + LTTNG_UST_ABI_OBJECT_TYPE_STREAM = 1, + LTTNG_UST_ABI_OBJECT_TYPE_EVENT = 2, + LTTNG_UST_ABI_OBJECT_TYPE_CONTEXT = 3, + LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER_GROUP = 4, + LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER = 5, + LTTNG_UST_ABI_OBJECT_TYPE_COUNTER = 6, + LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_GLOBAL = 7, + LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_CPU = 8, }; -#define LTTNG_UST_OBJECT_DATA_PADDING1 32 -#define LTTNG_UST_OBJECT_DATA_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) +#define LTTNG_UST_ABI_OBJECT_DATA_PADDING1 32 +#define LTTNG_UST_ABI_OBJECT_DATA_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) -struct lttng_ust_object_data { - enum lttng_ust_object_type type; +struct lttng_ust_abi_object_data { + int32_t type; /* enum lttng_ust_abi_object_type */ int handle; uint64_t size; - char padding1[LTTNG_UST_OBJECT_DATA_PADDING1]; + char padding1[LTTNG_UST_ABI_OBJECT_DATA_PADDING1]; union { struct { void *data; - enum lttng_ust_chan_type type; + int32_t type; /* enum lttng_ust_abi_chan_type */ int wakeup_fd; } channel; struct { @@ -223,106 +301,129 @@ struct lttng_ust_object_data { int wakeup_fd; uint32_t stream_nr; } stream; - char padding2[LTTNG_UST_OBJECT_DATA_PADDING2]; + struct { + void *data; + } counter; + struct { + int shm_fd; + } counter_global; + struct { + int shm_fd; + uint32_t cpu_nr; + } counter_cpu; + char padding2[LTTNG_UST_ABI_OBJECT_DATA_PADDING2]; + } u; +} LTTNG_PACKED; + +enum lttng_ust_abi_calibrate_type { + LTTNG_UST_ABI_CALIBRATE_TRACEPOINT, +}; + +#define LTTNG_UST_ABI_CALIBRATE_PADDING1 16 +#define LTTNG_UST_ABI_CALIBRATE_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32) +struct lttng_ust_abi_calibrate { + enum lttng_ust_abi_calibrate_type type; /* type (input) */ + char padding[LTTNG_UST_ABI_CALIBRATE_PADDING1]; + + union { + char padding[LTTNG_UST_ABI_CALIBRATE_PADDING2]; } u; } LTTNG_PACKED; -#define FILTER_BYTECODE_MAX_LEN 65536 -#define LTTNG_UST_FILTER_PADDING 32 -struct lttng_ust_filter_bytecode { +#define LTTNG_UST_ABI_FILTER_BYTECODE_MAX_LEN 65536 +#define LTTNG_UST_ABI_FILTER_PADDING 32 +struct lttng_ust_abi_filter_bytecode { uint32_t len; uint32_t reloc_offset; uint64_t seqnum; - char padding[LTTNG_UST_FILTER_PADDING]; + char padding[LTTNG_UST_ABI_FILTER_PADDING]; char data[0]; } LTTNG_PACKED; -#define LTTNG_UST_EXCLUSION_PADDING 32 -struct lttng_ust_event_exclusion { +#define LTTNG_UST_ABI_CAPTURE_BYTECODE_MAX_LEN 65536 +#define LTTNG_UST_ABI_CAPTURE_PADDING 32 +struct lttng_ust_abi_capture_bytecode { + uint32_t len; + uint32_t reloc_offset; + uint64_t seqnum; + char padding[LTTNG_UST_ABI_CAPTURE_PADDING]; + char data[0]; +} LTTNG_PACKED; + +#define LTTNG_UST_ABI_EXCLUSION_PADDING 32 +struct lttng_ust_abi_event_exclusion { uint32_t count; - char padding[LTTNG_UST_EXCLUSION_PADDING]; - char names[LTTNG_UST_SYM_NAME_LEN][0]; + char padding[LTTNG_UST_ABI_EXCLUSION_PADDING]; + char names[LTTNG_UST_ABI_SYM_NAME_LEN][0]; } LTTNG_PACKED; -#define _UST_CMD(minor) (minor) -#define _UST_CMDR(minor, type) (minor) -#define _UST_CMDW(minor, type) (minor) +#define LTTNG_UST_ABI_CMD(minor) (minor) +#define LTTNG_UST_ABI_CMDR(minor, type) (minor) +#define LTTNG_UST_ABI_CMDW(minor, type) (minor) /* Handled by object descriptor */ -#define LTTNG_UST_RELEASE _UST_CMD(0x1) +#define LTTNG_UST_ABI_RELEASE LTTNG_UST_ABI_CMD(0x1) /* Handled by object cmd */ /* LTTng-UST commands */ -#define LTTNG_UST_SESSION _UST_CMD(0x40) -#define LTTNG_UST_TRACER_VERSION \ - _UST_CMDR(0x41, struct lttng_ust_tracer_version) -#define LTTNG_UST_TRACEPOINT_LIST _UST_CMD(0x42) -#define LTTNG_UST_WAIT_QUIESCENT _UST_CMD(0x43) -#define LTTNG_UST_REGISTER_DONE _UST_CMD(0x44) -#define LTTNG_UST_TRACEPOINT_FIELD_LIST _UST_CMD(0x45) - -/* Session FD commands */ -#define LTTNG_UST_CHANNEL \ - _UST_CMDW(0x51, struct lttng_ust_channel) -#define LTTNG_UST_SESSION_START _UST_CMD(0x52) -#define LTTNG_UST_SESSION_STOP _UST_CMD(0x53) -#define LTTNG_UST_SESSION_STATEDUMP _UST_CMD(0x54) - -/* Channel FD commands */ -#define LTTNG_UST_STREAM _UST_CMD(0x60) -#define LTTNG_UST_EVENT \ - _UST_CMDW(0x61, struct lttng_ust_event) - -/* Event and Channel FD commands */ -#define LTTNG_UST_CONTEXT \ - _UST_CMDW(0x70, struct lttng_ust_context) -#define LTTNG_UST_FLUSH_BUFFER \ - _UST_CMD(0x71) - -/* Event, Channel and Session commands */ -#define LTTNG_UST_ENABLE _UST_CMD(0x80) -#define LTTNG_UST_DISABLE _UST_CMD(0x81) +#define LTTNG_UST_ABI_SESSION LTTNG_UST_ABI_CMD(0x40) +#define LTTNG_UST_ABI_TRACER_VERSION \ + LTTNG_UST_ABI_CMDR(0x41, struct lttng_ust_abi_tracer_version) +#define LTTNG_UST_ABI_TRACEPOINT_LIST LTTNG_UST_ABI_CMD(0x42) +#define LTTNG_UST_ABI_WAIT_QUIESCENT LTTNG_UST_ABI_CMD(0x43) +#define LTTNG_UST_ABI_REGISTER_DONE LTTNG_UST_ABI_CMD(0x44) +#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST LTTNG_UST_ABI_CMD(0x45) +#define LTTNG_UST_ABI_EVENT_NOTIFIER_GROUP_CREATE \ + LTTNG_UST_ABI_CMD(0x46) + +/* Session commands */ +#define LTTNG_UST_ABI_CHANNEL \ + LTTNG_UST_ABI_CMDW(0x51, struct lttng_ust_abi_channel) +#define LTTNG_UST_ABI_SESSION_START LTTNG_UST_ABI_CMD(0x52) +#define LTTNG_UST_ABI_SESSION_STOP LTTNG_UST_ABI_CMD(0x53) +#define LTTNG_UST_ABI_SESSION_STATEDUMP LTTNG_UST_ABI_CMD(0x54) + +/* Channel commands */ +#define LTTNG_UST_ABI_STREAM LTTNG_UST_ABI_CMD(0x60) +#define LTTNG_UST_ABI_EVENT \ + LTTNG_UST_ABI_CMDW(0x61, struct lttng_ust_abi_event) + +/* Event and channel commands */ +#define LTTNG_UST_ABI_CONTEXT \ + LTTNG_UST_ABI_CMDW(0x70, struct lttng_ust_abi_context) +#define LTTNG_UST_ABI_FLUSH_BUFFER \ + LTTNG_UST_ABI_CMD(0x71) + +/* Event, event notifier, channel and session commands */ +#define LTTNG_UST_ABI_ENABLE LTTNG_UST_ABI_CMD(0x80) +#define LTTNG_UST_ABI_DISABLE LTTNG_UST_ABI_CMD(0x81) /* Tracepoint list commands */ -#define LTTNG_UST_TRACEPOINT_LIST_GET _UST_CMD(0x90) -#define LTTNG_UST_TRACEPOINT_FIELD_LIST_GET _UST_CMD(0x91) - -/* Event FD commands */ -#define LTTNG_UST_FILTER _UST_CMD(0xA0) - -#define LTTNG_UST_ROOT_HANDLE 0 - -struct lttng_ust_obj; - -union ust_args { - struct { - void *chan_data; - int wakeup_fd; - } channel; - struct { - int shm_fd; - int wakeup_fd; - } stream; - struct { - struct lttng_ust_field_iter entry; - } field_list; -}; +#define LTTNG_UST_ABI_TRACEPOINT_LIST_GET LTTNG_UST_ABI_CMD(0x90) +#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST_GET LTTNG_UST_ABI_CMD(0x91) -struct lttng_ust_objd_ops { - long (*cmd)(int objd, unsigned int cmd, unsigned long arg, - union ust_args *args, void *owner); - int (*release)(int objd); -}; +/* Event and event notifier commands */ +#define LTTNG_UST_ABI_FILTER LTTNG_UST_ABI_CMD(0xA0) +#define LTTNG_UST_ABI_EXCLUSION LTTNG_UST_ABI_CMD(0xA1) + +/* Event notifier group commands */ +#define LTTNG_UST_ABI_EVENT_NOTIFIER_CREATE \ + LTTNG_UST_ABI_CMDW(0xB0, struct lttng_ust_abi_event_notifier) + +/* Event notifier commands */ +#define LTTNG_UST_ABI_CAPTURE LTTNG_UST_ABI_CMD(0xB6) -/* Create root handle. Always ID 0. */ -int lttng_abi_create_root_handle(void); +/* Session and event notifier group commands */ +#define LTTNG_UST_ABI_COUNTER \ + LTTNG_UST_ABI_CMDW(0xC0, struct lttng_ust_abi_counter) -const struct lttng_ust_objd_ops *objd_ops(int id); -int lttng_ust_objd_unref(int id, int is_owner); +/* Counter commands */ +#define LTTNG_UST_ABI_COUNTER_GLOBAL \ + LTTNG_UST_ABI_CMDW(0xD0, struct lttng_ust_abi_counter_global) +#define LTTNG_UST_ABI_COUNTER_CPU \ + LTTNG_UST_ABI_CMDW(0xD1, struct lttng_ust_abi_counter_cpu) -void lttng_ust_abi_exit(void); -void lttng_ust_events_exit(void); -void lttng_ust_objd_table_owner_cleanup(void *owner); +#define LTTNG_UST_ABI_ROOT_HANDLE 0 #endif /* LTTNG_UST_ABI_INTERNAL_H */