page alloc wrapper: Fix get_pfnblock_flags_mask prototype

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

diff --git a/lttng-abi.h b/lttng-abi.h
index 9d345f4a7c841fe683e5872ee2eb6eeb958a176d..e6d5ffd703449b27f7ba8627fd8d7c85fc4b3aa7 100644 (file)
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -17,10 +17,17 @@
  * should be increased when an incompatible ABI change is done.
  */
 #define LTTNG_MODULES_ABI_MAJOR_VERSION                2
-#define LTTNG_MODULES_ABI_MINOR_VERSION                4
+#define LTTNG_MODULES_ABI_MINOR_VERSION                5
 
 #define LTTNG_KERNEL_SYM_NAME_LEN      256
 #define LTTNG_KERNEL_SESSION_NAME_LEN  256
+
+/*
+ * The expected iso8601 time formats are either:
+ *
+ * - YYYYmmddTHHMMSS+HHMM           (20 characters + \0)
+ * - YYYY-mm-ddTHH:MM:SS+HH:MM      (25 characters + \0)
+ */
 #define LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN 26
 
 enum lttng_kernel_instrumentation {
@@ -90,6 +97,31 @@ struct lttng_kernel_event_callsite {
        } u;
 } __attribute__((packed));
 
+enum lttng_kernel_syscall_entryexit {
+       LTTNG_KERNEL_SYSCALL_ENTRYEXIT = 0,
+       LTTNG_KERNEL_SYSCALL_ENTRY = 1,         /* Not implemented. */
+       LTTNG_KERNEL_SYSCALL_EXIT = 2,          /* Not implemented. */
+};
+
+enum lttng_kernel_syscall_abi {
+       LTTNG_KERNEL_SYSCALL_ABI_ALL = 0,
+       LTTNG_KERNEL_SYSCALL_ABI_NATIVE = 1,    /* Not implemented. */
+       LTTNG_KERNEL_SYSCALL_ABI_COMPAT = 2,    /* Not implemented. */
+};
+
+enum lttng_kernel_syscall_match {
+       LTTNG_SYSCALL_MATCH_NAME = 0,
+       LTTNG_SYSCALL_MATCH_NR = 1,             /* Not implemented. */
+};
+
+struct lttng_kernel_syscall {
+       uint8_t entryexit;      /* enum lttng_kernel_syscall_entryexit */
+       uint8_t abi;            /* enum lttng_kernel_syscall_abi */
+       uint8_t match;          /* enum lttng_kernel_syscall_match */
+       uint8_t padding;
+       uint32_t nr;            /* For LTTNG_SYSCALL_MATCH_NR */
+} __attribute__((packed));
+
 /*
  * For syscall tracing, name = "*" means "enable all".
  */
@@ -106,6 +138,7 @@ struct lttng_kernel_event {
                struct lttng_kernel_kprobe kprobe;
                struct lttng_kernel_function_tracer ftrace;
                struct lttng_kernel_uprobe uprobe;
+               struct lttng_kernel_syscall syscall;
                char padding[LTTNG_KERNEL_EVENT_PADDING2];
        } u;
 } __attribute__((packed));
@@ -205,9 +238,25 @@ struct lttng_kernel_filter_bytecode {
        uint32_t len;
        uint32_t reloc_offset;
        uint64_t seqnum;
-       char data[0];
+       char data[];
 } __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 +282,7 @@ 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 +320,14 @@ 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.
  *