Fix: update writeback instrumentation for kernel 4.14

[lttng-modules.git] / lttng-abi.h

diff --git a/lttng-abi.h b/lttng-abi.h
index ab54cf8dc50ec06b6ca5a504ff173bdfeb6d8bc0..dac8658479f52d8079982f742a4bb425a808c10c 100644 (file)
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -30,7 +30,7 @@
  * 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_MODULES_ABI_MINOR_VERSION                3
 
 #define LTTNG_KERNEL_SYM_NAME_LEN      256
 
@@ -142,6 +142,10 @@ enum lttng_kernel_context_type {
        LTTNG_KERNEL_CONTEXT_VPPID              = 9,
        LTTNG_KERNEL_CONTEXT_HOSTNAME           = 10,
        LTTNG_KERNEL_CONTEXT_CPU_ID             = 11,
+       LTTNG_KERNEL_CONTEXT_INTERRUPTIBLE      = 12,
+       LTTNG_KERNEL_CONTEXT_PREEMPTIBLE        = 13,
+       LTTNG_KERNEL_CONTEXT_NEED_RESCHEDULE    = 14,
+       LTTNG_KERNEL_CONTEXT_MIGRATABLE         = 15,
 };
 
 struct lttng_kernel_perf_counter_ctx {
@@ -193,7 +197,15 @@ struct lttng_kernel_filter_bytecode {
        _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)
@@ -228,6 +240,10 @@ struct lttng_kernel_filter_bytecode {
 #define LTTNG_RING_BUFFER_GET_STREAM_ID                _IOR(0xF6, 0x25, uint64_t)
 /* returns the current timestamp */
 #define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP        _IOR(0xF6, 0x26, uint64_t)
+/* returns the packet sequence number */
+#define LTTNG_RING_BUFFER_GET_SEQ_NUM          _IOR(0xF6, 0x27, uint64_t)
+/* returns the stream instance id */
+#define LTTNG_RING_BUFFER_INSTANCE_ID          _IOR(0xF6, 0x28, uint64_t)
 
 #ifdef CONFIG_COMPAT
 /* returns the timestamp begin of the current sub-buffer */
@@ -251,6 +267,12 @@ struct lttng_kernel_filter_bytecode {
 /* returns the current timestamp */
 #define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
        LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP
+/* returns the packet sequence number */
+#define LTTNG_RING_BUFFER_COMPAT_GET_SEQ_NUM   \
+       LTTNG_RING_BUFFER_GET_SEQ_NUM
+/* returns the stream instance id */
+#define LTTNG_RING_BUFFER_COMPAT_INSTANCE_ID   \
+       LTTNG_RING_BUFFER_INSTANCE_ID
 #endif /* CONFIG_COMPAT */
 
 #endif /* _LTTNG_ABI_H */