X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ioctl.h;h=e7ff50b24349e0f152856a30177f36b6cbebb8f3;hp=b37605bb19793583a53e91eed61c830b61027307;hb=8de8806159d9d2544e2bc3091cc3c98abe4d97ad;hpb=000fa86f1276f62aa32cdb18f6556db1bdeee09b

diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h
index b37605bb1..e7ff50b24 100644
--- a/src/common/kernel-ctl/kernel-ioctl.h
+++ b/src/common/kernel-ctl/kernel-ioctl.h
@@ -20,7 +20,7 @@
 #define _LTT_KERNEL_IOCTL_H
 
 #define LTTNG_MODULES_ABI_MAJOR_VERSION		2
-#define LTTNG_MODULES_ABI_MINOR_VERSION		0
+#define LTTNG_MODULES_ABI_MINOR_VERSION		3
 
 /* Get a snapshot of the current ring buffer producer and consumer positions */
 #define RING_BUFFER_SNAPSHOT                _IO(0xF6, 0x00)
@@ -47,8 +47,23 @@
 #define RING_BUFFER_GET_MMAP_LEN            _IOR(0xF6, 0x0A, unsigned long)
 /* returns the offset of the subbuffer belonging to the mmap reader. */
 #define RING_BUFFER_GET_MMAP_READ_OFFSET    _IOR(0xF6, 0x0B, unsigned long)
-/* flush the current sub-buffer */
+/* Flush the current sub-buffer, if non-empty. */
 #define RING_BUFFER_FLUSH                   _IO(0xF6, 0x0C)
+/* Get the current version of the metadata cache (after a get_next). */
+#define RING_BUFFER_GET_METADATA_VERSION    _IOR(0xF6, 0x0D, uint64_t)
+/*
+ * Get a snapshot of the current ring buffer producer and consumer positions,
+ * regardless of whether or not the two positions are contained within the same
+ * sub-buffer.
+ */
+#define RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS	_IO(0xF6, 0x0E)
+/* Flush the current sub-buffer, even if empty. */
+#define RING_BUFFER_FLUSH_EMPTY			_IO(0xF6, 0x0F)
+/*
+ * Reset the position of what has been consumed from the metadata cache to 0
+ * so it can be read again.
+ */
+#define RING_BUFFER_METADATA_CACHE_DUMP    	_IO(0xF6, 0x10)
 
 /* returns the timestamp begin of the current sub-buffer */
 #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN     _IOR(0xF6, 0x20, uint64_t)
@@ -76,8 +91,6 @@
 		_IOR(0xF6, 0x41, struct lttng_kernel_old_tracer_version)
 #define LTTNG_KERNEL_OLD_TRACEPOINT_LIST        _IO(0xF6, 0x42)
 #define LTTNG_KERNEL_OLD_WAIT_QUIESCENT         _IO(0xF6, 0x43)
-#define LTTNG_KERNEL_OLD_CALIBRATE		\
-	_IOWR(0xF6, 0x44, struct lttng_kernel_old_calibrate)
 
 /* Session FD ioctl */
 #define LTTNG_KERNEL_OLD_METADATA               \
@@ -108,8 +121,6 @@
 	_IOR(0xF6, 0x46, struct lttng_kernel_tracer_version)
 #define LTTNG_KERNEL_TRACEPOINT_LIST	_IO(0xF6, 0x47)
 #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)
@@ -125,7 +136,15 @@
 	_IOR(0xF6, 0x58, int32_t)
 #define LTTNG_KERNEL_SESSION_UNTRACK_PID	\
 	_IOR(0xF6, 0x59, int32_t)
+/*
+ * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO
+ * are generating two different ioctl numbers, but this was not done on
+ * purpose. We should generally try to avoid those duplications.
+ */
 #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS	_IO(0xF6, 0x58)
+#define LTTNG_KERNEL_SESSION_METADATA_REGEN	_IO(0xF6, 0x59)
+/* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */
+#define LTTNG_KERNEL_SESSION_STATEDUMP		_IO(0xF6, 0x5C)
 
 /* Channel FD ioctl */
 #define LTTNG_KERNEL_STREAM			_IO(0xF6, 0x62)
@@ -144,5 +163,6 @@
 
 /* Event FD ioctl */
 #define LTTNG_KERNEL_FILTER			_IO(0xF6, 0x90)
+#define LTTNG_KERNEL_ADD_CALLSITE	_IO(0xF6, 0x91)
 
 #endif /* _LTT_KERNEL_IOCTL_H */