X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-abi.h;h=ab54cf8dc50ec06b6ca5a504ff173bdfeb6d8bc0;hb=refs%2Fheads%2Fstable-2.7;hp=3f2aefbea04cd1fa52909c7a7fe5b76ec047ab6f;hpb=2348ca17d04c122d21f9329faa6941d0b147b378;p=lttng-modules.git

diff --git a/lttng-abi.h b/lttng-abi.h
index 3f2aefbe..ab54cf8d 100644
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -25,6 +25,13 @@
 
 #include <linux/fs.h>
 
+/*
+ * Major/minor version of ABI exposed to lttng tools. Major number
+ * should be increased when an incompatible ABI change is done.
+ */
+#define LTTNG_MODULES_ABI_MAJOR_VERSION		2
+#define LTTNG_MODULES_ABI_MINOR_VERSION		0
+
 #define LTTNG_KERNEL_SYM_NAME_LEN	256
 
 enum lttng_kernel_instrumentation {
@@ -56,14 +63,14 @@ struct lttng_kernel_channel {
 	enum lttng_kernel_output output;	/* splice, mmap */
 	int overwrite;				/* 1: overwrite, 0: discard */
 	char padding[LTTNG_KERNEL_CHANNEL_PADDING];
-}__attribute__((packed));
+} __attribute__((packed));
 
 struct lttng_kernel_kretprobe {
 	uint64_t addr;
 
 	uint64_t offset;
 	char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
 
 /*
  * Either addr is used, or symbol_name and offset.
@@ -73,14 +80,14 @@ struct lttng_kernel_kprobe {
 
 	uint64_t offset;
 	char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
 
 struct lttng_kernel_function_tracer {
 	char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
 
 /*
- * For syscall tracing, name = '\0' means "enable all".
+ * For syscall tracing, name = "*" means "enable all".
  */
 #define LTTNG_KERNEL_EVENT_PADDING1	16
 #define LTTNG_KERNEL_EVENT_PADDING2	LTTNG_KERNEL_SYM_NAME_LEN + 32
@@ -96,13 +103,18 @@ struct lttng_kernel_event {
 		struct lttng_kernel_function_tracer ftrace;
 		char padding[LTTNG_KERNEL_EVENT_PADDING2];
 	} u;
-}__attribute__((packed));
+} __attribute__((packed));
 
 struct lttng_kernel_tracer_version {
 	uint32_t major;
 	uint32_t minor;
 	uint32_t patchlevel;
-}__attribute__((packed));
+} __attribute__((packed));
+
+struct lttng_kernel_tracer_abi_version {
+	uint32_t major;
+	uint32_t minor;
+} __attribute__((packed));
 
 enum lttng_kernel_calibrate_type {
 	LTTNG_KERNEL_CALIBRATE_KRETPROBE,
@@ -110,7 +122,12 @@ enum lttng_kernel_calibrate_type {
 
 struct lttng_kernel_calibrate {
 	enum lttng_kernel_calibrate_type type;	/* type (input) */
-}__attribute__((packed));
+} __attribute__((packed));
+
+struct lttng_kernel_syscall_mask {
+	uint32_t len;	/* in bits */
+	char mask[];
+} __attribute__((packed));
 
 enum lttng_kernel_context_type {
 	LTTNG_KERNEL_CONTEXT_PID		= 0,
@@ -124,13 +141,14 @@ enum lttng_kernel_context_type {
 	LTTNG_KERNEL_CONTEXT_PPID		= 8,
 	LTTNG_KERNEL_CONTEXT_VPPID		= 9,
 	LTTNG_KERNEL_CONTEXT_HOSTNAME		= 10,
+	LTTNG_KERNEL_CONTEXT_CPU_ID		= 11,
 };
 
 struct lttng_kernel_perf_counter_ctx {
 	uint32_t type;
 	uint64_t config;
 	char name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+} __attribute__((packed));
 
 #define LTTNG_KERNEL_CONTEXT_PADDING1	16
 #define LTTNG_KERNEL_CONTEXT_PADDING2	LTTNG_KERNEL_SYM_NAME_LEN + 32
@@ -142,7 +160,15 @@ struct lttng_kernel_context {
 		struct lttng_kernel_perf_counter_ctx perf_counter;
 		char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
 	} u;
-}__attribute__((packed));
+} __attribute__((packed));
+
+#define LTTNG_KERNEL_FILTER_BYTECODE_MAX_LEN		65536
+struct lttng_kernel_filter_bytecode {
+	uint32_t len;
+	uint32_t reloc_offset;
+	uint64_t seqnum;
+	char data[0];
+} __attribute__((packed));
 
 /* LTTng file descriptor ioctl */
 #define LTTNG_KERNEL_SESSION			_IO(0xF6, 0x45)
@@ -152,6 +178,9 @@ struct lttng_kernel_context {
 #define LTTNG_KERNEL_WAIT_QUIESCENT		_IO(0xF6, 0x48)
 #define LTTNG_KERNEL_CALIBRATE			\
 	_IOWR(0xF6, 0x49, struct lttng_kernel_calibrate)
+#define LTTNG_KERNEL_SYSCALL_LIST		_IO(0xF6, 0x4A)
+#define LTTNG_KERNEL_TRACER_ABI_VERSION		\
+	_IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version)
 
 /* Session FD ioctl */
 #define LTTNG_KERNEL_METADATA			\
@@ -160,11 +189,18 @@ struct lttng_kernel_context {
 	_IOW(0xF6, 0x55, struct lttng_kernel_channel)
 #define LTTNG_KERNEL_SESSION_START		_IO(0xF6, 0x56)
 #define LTTNG_KERNEL_SESSION_STOP		_IO(0xF6, 0x57)
+#define LTTNG_KERNEL_SESSION_TRACK_PID		\
+	_IOR(0xF6, 0x58, int32_t)
+#define LTTNG_KERNEL_SESSION_UNTRACK_PID	\
+	_IOR(0xF6, 0x59, int32_t)
+#define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS	_IO(0xF6, 0x58)
 
 /* Channel FD ioctl */
 #define LTTNG_KERNEL_STREAM			_IO(0xF6, 0x62)
 #define LTTNG_KERNEL_EVENT			\
 	_IOW(0xF6, 0x63, struct lttng_kernel_event)
+#define LTTNG_KERNEL_SYSCALL_MASK		\
+	_IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask)
 
 /* Event and Channel FD ioctl */
 #define LTTNG_KERNEL_CONTEXT			\
@@ -174,6 +210,9 @@ struct lttng_kernel_context {
 #define LTTNG_KERNEL_ENABLE			_IO(0xF6, 0x82)
 #define LTTNG_KERNEL_DISABLE			_IO(0xF6, 0x83)
 
+/* Event FD ioctl */
+#define LTTNG_KERNEL_FILTER			_IO(0xF6, 0x90)
+
 /* LTTng-specific ioctls for the lib ringbuffer */
 /* returns the timestamp begin of the current sub-buffer */
 #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN	_IOR(0xF6, 0x20, uint64_t)