X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fabi.h;h=5f0a3aa52a8ee992b0f5242a3e9412be4b923006;hb=ade8a729bae2186c2bd0d262cbe3b822adce8659;hp=086a5834fe764b9e0342b7a4c72c296be1ae1903;hpb=badfe9f5c396efb1b00e5f2abcded2e4ac4a5bac;p=lttng-modules.git

diff --git a/include/lttng/abi.h b/include/lttng/abi.h
index 086a5834..5f0a3aa5 100644
--- a/include/lttng/abi.h
+++ b/include/lttng/abi.h
@@ -50,7 +50,7 @@ struct lttng_kernel_channel {
 	uint64_t num_subbuf;
 	unsigned int switch_timer_interval;	/* usecs */
 	unsigned int read_timer_interval;	/* usecs */
-	enum lttng_kernel_output output;	/* splice, mmap */
+	uint32_t output;			/* enum lttng_kernel_output (splice, mmap) */
 	int overwrite;				/* 1: overwrite, 0: discard */
 	char padding[LTTNG_KERNEL_CHANNEL_PADDING];
 } __attribute__((packed));
@@ -118,11 +118,12 @@ struct lttng_kernel_syscall {
 /*
  * For syscall tracing, name = "*" means "enable all".
  */
-#define LTTNG_KERNEL_EVENT_PADDING1	16
+#define LTTNG_KERNEL_EVENT_PADDING1	8
 #define LTTNG_KERNEL_EVENT_PADDING2	LTTNG_KERNEL_SYM_NAME_LEN + 32
 struct lttng_kernel_event {
 	char name[LTTNG_KERNEL_SYM_NAME_LEN];	/* event name */
-	enum lttng_kernel_instrumentation instrumentation;
+	uint32_t instrumentation;		/* enum lttng_kernel_instrumentation */
+	uint64_t token;				/* User-provided token */
 	char padding[LTTNG_KERNEL_EVENT_PADDING1];
 
 	/* Per instrumentation type configuration */
@@ -136,6 +137,13 @@ struct lttng_kernel_event {
 	} u;
 } __attribute__((packed));
 
+#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1	16
+struct lttng_kernel_event_notifier {
+	struct lttng_kernel_event event;
+
+	char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1];
+} __attribute__((packed));
+
 struct lttng_kernel_tracer_version {
 	uint32_t major;
 	uint32_t minor;
@@ -160,7 +168,7 @@ enum lttng_kernel_calibrate_type {
 };
 
 struct lttng_kernel_calibrate {
-	enum lttng_kernel_calibrate_type type;	/* type (input) */
+	uint32_t type;	/* enum lttng_kernel_calibrate_type (input) */
 } __attribute__((packed));
 
 struct lttng_kernel_syscall_mask {
@@ -218,7 +226,7 @@ struct lttng_kernel_perf_counter_ctx {
 #define LTTNG_KERNEL_CONTEXT_PADDING1	16
 #define LTTNG_KERNEL_CONTEXT_PADDING2	LTTNG_KERNEL_SYM_NAME_LEN + 32
 struct lttng_kernel_context {
-	enum lttng_kernel_context_type ctx;
+	uint32_t ctx;	/*enum lttng_kernel_context_type */
 	char padding[LTTNG_KERNEL_CONTEXT_PADDING1];
 
 	union {
@@ -247,7 +255,7 @@ enum lttng_kernel_tracker_type {
 };
 
 struct lttng_kernel_tracker_args {
-	enum lttng_kernel_tracker_type type;
+	uint32_t type;	/* enum lttng_kernel_tracker_type */
 	int32_t id;
 };
 
@@ -263,6 +271,7 @@ struct lttng_kernel_tracker_args {
 #define LTTNG_KERNEL_SYSCALL_LIST		_IO(0xF6, 0x4A)
 #define LTTNG_KERNEL_TRACER_ABI_VERSION		\
 	_IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version)
+#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_CREATE    _IO(0xF6, 0x4C)
 
 /* Session FD ioctl */
 /* lttng/abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */
@@ -305,12 +314,12 @@ struct lttng_kernel_tracker_args {
 #define LTTNG_KERNEL_CONTEXT			\
 	_IOW(0xF6, 0x71, struct lttng_kernel_context)
 
-/* Event, Channel and Session ioctl */
+/* Event, Event notifier, Channel and Session ioctl */
 /* lttng/abi-old.h reserve 0x80 and 0x81. */
 #define LTTNG_KERNEL_ENABLE			_IO(0xF6, 0x82)
 #define LTTNG_KERNEL_DISABLE			_IO(0xF6, 0x83)
 
-/* Event FD ioctl */
+/* Event and Event notifier FD ioctl */
 #define LTTNG_KERNEL_FILTER			_IO(0xF6, 0x90)
 #define LTTNG_KERNEL_ADD_CALLSITE		_IO(0xF6, 0x91)
 
@@ -322,6 +331,12 @@ struct lttng_kernel_tracker_args {
 #define LTTNG_KERNEL_SESSION_UNTRACK_ID		\
 	_IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args)
 
+/* Event notifier group file descriptor ioctl */
+#define LTTNG_KERNEL_EVENT_NOTIFIER_CREATE \
+	_IOW(0xF6, 0xB0, struct lttng_kernel_event_notifier)
+#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \
+	_IO(0xF6, 0xB1)
+
 /*
  * LTTng-specific ioctls for the lib ringbuffer.
  *