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Fix: compat ioctl for flush/get metadata version
[lttng-modules.git]
/
lttng-abi.h
diff --git
a/lttng-abi.h
b/lttng-abi.h
index 279435792fa0a50e4b944caeda3c3a8af1a146aa..b63ead8d134c636838bf38baa9b3e2dcdf62879f 100644
(file)
--- a/
lttng-abi.h
+++ b/
lttng-abi.h
@@
-25,6
+25,13
@@
#include <linux/fs.h>
#include <linux/fs.h>
+/*
+ * Major/minor version of ABI exposed to lttng tools. Major number
+ * should be increased when an incompatible ABI change is done.
+ */
+#define LTTNG_MODULES_ABI_MAJOR_VERSION 1
+#define LTTNG_MODULES_ABI_MINOR_VERSION 0
+
#define LTTNG_KERNEL_SYM_NAME_LEN 256
enum lttng_kernel_instrumentation {
#define LTTNG_KERNEL_SYM_NAME_LEN 256
enum lttng_kernel_instrumentation {
@@
-56,14
+63,14
@@
struct lttng_kernel_channel {
enum lttng_kernel_output output; /* splice, mmap */
int overwrite; /* 1: overwrite, 0: discard */
char padding[LTTNG_KERNEL_CHANNEL_PADDING];
enum lttng_kernel_output output; /* splice, mmap */
int overwrite; /* 1: overwrite, 0: discard */
char padding[LTTNG_KERNEL_CHANNEL_PADDING];
-}__attribute__((packed));
+}
__attribute__((packed));
struct lttng_kernel_kretprobe {
uint64_t addr;
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
struct lttng_kernel_kretprobe {
uint64_t addr;
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+}
__attribute__((packed));
/*
* Either addr is used, or symbol_name and offset.
/*
* Either addr is used, or symbol_name and offset.
@@
-73,14
+80,14
@@
struct lttng_kernel_kprobe {
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+}
__attribute__((packed));
struct lttng_kernel_function_tracer {
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
struct lttng_kernel_function_tracer {
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+}
__attribute__((packed));
struct lttng_kernel_syscall {
struct lttng_kernel_syscall {
- char
dis
able;
+ char
en
able;
} __attribute__((packed));
/*
} __attribute__((packed));
/*
@@
-101,13
+108,18
@@
struct lttng_kernel_event {
struct lttng_kernel_syscall syscall;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
struct lttng_kernel_syscall syscall;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
-}__attribute__((packed));
+}
__attribute__((packed));
struct lttng_kernel_tracer_version {
uint32_t major;
uint32_t minor;
uint32_t patchlevel;
struct lttng_kernel_tracer_version {
uint32_t major;
uint32_t minor;
uint32_t patchlevel;
-}__attribute__((packed));
+} __attribute__((packed));
+
+struct lttng_kernel_tracer_abi_version {
+ uint32_t major;
+ uint32_t minor;
+} __attribute__((packed));
enum lttng_kernel_calibrate_type {
LTTNG_KERNEL_CALIBRATE_KRETPROBE,
enum lttng_kernel_calibrate_type {
LTTNG_KERNEL_CALIBRATE_KRETPROBE,
@@
-115,7
+127,12
@@
enum lttng_kernel_calibrate_type {
struct lttng_kernel_calibrate {
enum lttng_kernel_calibrate_type type; /* type (input) */
struct lttng_kernel_calibrate {
enum lttng_kernel_calibrate_type type; /* type (input) */
-}__attribute__((packed));
+} __attribute__((packed));
+
+struct lttng_kernel_syscall_mask {
+ uint32_t len; /* in bits */
+ char mask[];
+} __attribute__((packed));
enum lttng_kernel_context_type {
LTTNG_KERNEL_CONTEXT_PID = 0,
enum lttng_kernel_context_type {
LTTNG_KERNEL_CONTEXT_PID = 0,
@@
-135,7
+152,7
@@
struct lttng_kernel_perf_counter_ctx {
uint32_t type;
uint64_t config;
char name[LTTNG_KERNEL_SYM_NAME_LEN];
uint32_t type;
uint64_t config;
char name[LTTNG_KERNEL_SYM_NAME_LEN];
-}__attribute__((packed));
+}
__attribute__((packed));
#define LTTNG_KERNEL_CONTEXT_PADDING1 16
#define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
#define LTTNG_KERNEL_CONTEXT_PADDING1 16
#define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
@@
-147,7
+164,7
@@
struct lttng_kernel_context {
struct lttng_kernel_perf_counter_ctx perf_counter;
char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
} u;
struct lttng_kernel_perf_counter_ctx perf_counter;
char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
} u;
-}__attribute__((packed));
+}
__attribute__((packed));
/* LTTng file descriptor ioctl */
#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45)
/* LTTng file descriptor ioctl */
#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45)
@@
-157,7
+174,9
@@
struct lttng_kernel_context {
#define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48)
#define LTTNG_KERNEL_CALIBRATE \
_IOWR(0xF6, 0x49, struct lttng_kernel_calibrate)
#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, 0x49)
+#define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A)
+#define LTTNG_KERNEL_TRACER_ABI_VERSION \
+ _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version)
/* Session FD ioctl */
#define LTTNG_KERNEL_METADATA \
/* Session FD ioctl */
#define LTTNG_KERNEL_METADATA \
@@
-171,6
+190,8
@@
struct lttng_kernel_context {
#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
#define LTTNG_KERNEL_EVENT \
_IOW(0xF6, 0x63, struct lttng_kernel_event)
#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
#define LTTNG_KERNEL_EVENT \
_IOW(0xF6, 0x63, struct lttng_kernel_event)
+#define LTTNG_KERNEL_SYSCALL_MASK \
+ _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask)
/* Event and Channel FD ioctl */
#define LTTNG_KERNEL_CONTEXT \
/* Event and Channel FD ioctl */
#define LTTNG_KERNEL_CONTEXT \
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