ID tracker: implement vpid/uid/vuid/gid/vgid trackers

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

diff --git a/lttng-abi.h b/lttng-abi.h
index 9d345f4a7c841fe683e5872ee2eb6eeb958a176d..5c5d8256be55b654be4fb8fe235089ffa4b278c7 100644 (file)
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -208,6 +208,22 @@ struct lttng_kernel_filter_bytecode {
        char data[0];
 } __attribute__((packed));
 
+enum lttng_kernel_tracker_type {
+       LTTNG_KERNEL_TRACKER_UNKNOWN            = -1,
+
+       LTTNG_KERNEL_TRACKER_PID                = 0,
+       LTTNG_KERNEL_TRACKER_VPID               = 1,
+       LTTNG_KERNEL_TRACKER_UID                = 2,
+       LTTNG_KERNEL_TRACKER_VUID               = 3,
+       LTTNG_KERNEL_TRACKER_GID                = 4,
+       LTTNG_KERNEL_TRACKER_VGID               = 5,
+};
+
+struct lttng_kernel_tracker_args {
+       enum lttng_kernel_tracker_type type;
+       int32_t id;
+};
+
 /* LTTng file descriptor ioctl */
 /* lttng-abi-old.h reserve 0x40, 0x41, 0x42, 0x43, and 0x44. */
 #define LTTNG_KERNEL_SESSION                   _IO(0xF6, 0x45)
@@ -233,6 +249,7 @@ 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
@@ -270,6 +287,14 @@ struct lttng_kernel_filter_bytecode {
 #define LTTNG_KERNEL_FILTER                    _IO(0xF6, 0x90)
 #define LTTNG_KERNEL_ADD_CALLSITE              _IO(0xF6, 0x91)
 
+/* Session FD ioctl (continued) */
+#define LTTNG_KERNEL_SESSION_LIST_TRACKER_IDS  \
+       _IOR(0xF6, 0xA0, struct lttng_kernel_tracker_args)
+#define LTTNG_KERNEL_SESSION_TRACK_ID          \
+       _IOR(0xF6, 0xA1, struct lttng_kernel_tracker_args)
+#define LTTNG_KERNEL_SESSION_UNTRACK_ID                \
+       _IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args)
+
 /*
  * LTTng-specific ioctls for the lib ringbuffer.
  *