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

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

diff --git a/lttng-abi.h b/lttng-abi.h
index 822b8839a4fa815868ae051b1f4cf7a4b0f76ba1..dba0f20f697717fb7e730a1bcd3463dc30788d3b 100644 (file)
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -174,6 +174,22 @@ 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 */
 #define LTTNG_KERNEL_SESSION                   _IO(0xF6, 0x45)
 #define LTTNG_KERNEL_TRACER_VERSION            \
@@ -197,6 +213,7 @@ 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
@@ -206,6 +223,12 @@ struct lttng_kernel_filter_bytecode {
 #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)
+#define LTTNG_KERNEL_SESSION_LIST_TRACKER_IDS  \
+       _IOR(0xF6, 0x5D, struct lttng_kernel_tracker_args)
+#define LTTNG_KERNEL_SESSION_TRACK_ID          \
+       _IOR(0xF6, 0x5E, struct lttng_kernel_tracker_args)
+#define LTTNG_KERNEL_SESSION_UNTRACK_ID                \
+       _IOR(0xF6, 0x5F, struct lttng_kernel_tracker_args)
 
 /* Channel FD ioctl */
 #define LTTNG_KERNEL_STREAM                    _IO(0xF6, 0x62)