X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.h;h=b63ead8d134c636838bf38baa9b3e2dcdf62879f;hb=18187357e1c6b2d73b913527b96be25f4bac97c8;hp=7a09fa24db9cb298752d5a32aea0751e76eeabad;hpb=1a5986121ede6433a33d24a8518a3ff5b1c07d03;p=lttng-modules.git

diff --git a/lttng-abi.h b/lttng-abi.h
index 7a09fa24..b63ead8d 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		1
+#define LTTNG_MODULES_ABI_MINOR_VERSION		0
+
 #define LTTNG_KERNEL_SYM_NAME_LEN	256
 
 enum lttng_kernel_instrumentation {
@@ -109,6 +116,11 @@ struct lttng_kernel_tracer_version {
 	uint32_t patchlevel;
 } __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,
 };
@@ -117,6 +129,11 @@ struct lttng_kernel_calibrate {
 	enum lttng_kernel_calibrate_type type;	/* type (input) */
 } __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,
 	LTTNG_KERNEL_CONTEXT_PERF_COUNTER	= 1,
@@ -157,7 +174,9 @@ 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, 0x49)
+#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			\
@@ -171,6 +190,8 @@ struct lttng_kernel_context {
 #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			\