Fix: update to latest UST abi

[lttng-tools.git] / src / bin / lttng-sessiond / lttng-ust-abi.h

diff --git a/src/bin/lttng-sessiond/lttng-ust-abi.h b/src/bin/lttng-sessiond/lttng-ust-abi.h
index 91639a7c6d43279ab60f85b0098d2bced8484d0b..ef663ced23ca633991eede0c73a7ece811a16400 100644 (file)
--- a/src/bin/lttng-sessiond/lttng-ust-abi.h
+++ b/src/bin/lttng-sessiond/lttng-ust-abi.h
@@ -17,15 +17,24 @@
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
 
 #include <stdint.h>
+#include <common/macros.h>
 
 #define LTTNG_UST_SYM_NAME_LEN 256
 
 /* Version for comm protocol between sessiond and ust */
 #define LTTNG_UST_COMM_VERSION_MAJOR           2
-#define LTTNG_UST_COMM_VERSION_MINOR           0
+#define LTTNG_UST_COMM_VERSION_MINOR           1
 
 /* Version for ABI between liblttng-ust, sessiond, consumerd */
 #define LTTNG_UST_INTERNAL_MAJOR_VERSION       3
@@ -52,18 +61,18 @@ struct lttng_ust_tracer_version {
        uint32_t major;
        uint32_t minor;
        uint32_t patchlevel;
-};
+} LTTNG_PACKED;
 
 #define LTTNG_UST_CHANNEL_PADDING      LTTNG_UST_SYM_NAME_LEN + 32
 struct lttng_ust_channel {
-       int overwrite;                          /* 1: overwrite, 0: discard */
        uint64_t subbuf_size;                   /* in bytes */
        uint64_t num_subbuf;
+       int overwrite;                          /* 1: overwrite, 0: discard */
        unsigned int switch_timer_interval;     /* usecs */
        unsigned int read_timer_interval;       /* usecs */
        enum lttng_ust_output output;           /* output mode */
        char padding[LTTNG_UST_CHANNEL_PADDING];
-};
+} LTTNG_PACKED;
 
 #define LTTNG_UST_STREAM_PADDING1      16
 #define LTTNG_UST_STREAM_PADDING2      LTTNG_UST_SYM_NAME_LEN + 32
@@ -73,7 +82,7 @@ struct lttng_ust_stream {
        union {
                char padding[LTTNG_UST_STREAM_PADDING2];
        } u;
-};
+} LTTNG_PACKED;
 
 #define LTTNG_UST_EVENT_PADDING1       16
 #define LTTNG_UST_EVENT_PADDING2       LTTNG_UST_SYM_NAME_LEN + 32
@@ -89,7 +98,7 @@ struct lttng_ust_event {
        union {
                char padding[LTTNG_UST_EVENT_PADDING2];
        } u;
-};
+} LTTNG_PACKED;
 
 enum lttng_ust_field_type {
        LTTNG_UST_FIELD_OTHER                   = 0,
@@ -105,9 +114,9 @@ struct lttng_ust_field_iter {
        char field_name[LTTNG_UST_SYM_NAME_LEN];
        enum lttng_ust_field_type type;
        int loglevel;                           /* event loglevel */
-       int written;
+       int nowrite;
        char padding[LTTNG_UST_FIELD_ITER_PADDING];
-};
+} LTTNG_PACKED;
 
 enum lttng_ust_context_type {
        LTTNG_UST_CONTEXT_VTID                  = 0,
@@ -125,37 +134,37 @@ struct lttng_ust_context {
        union {
                char padding[LTTNG_UST_CONTEXT_PADDING2];
        } u;
-};
+} LTTNG_PACKED;
 
 /*
  * Tracer channel attributes.
  */
 #define LTTNG_UST_CHANNEL_ATTR_PADDING LTTNG_UST_SYM_NAME_LEN + 32
 struct lttng_ust_channel_attr {
-       int overwrite;                          /* 1: overwrite, 0: discard */
        uint64_t subbuf_size;                   /* bytes */
        uint64_t num_subbuf;                    /* power of 2 */
+       int overwrite;                          /* 1: overwrite, 0: discard */
        unsigned int switch_timer_interval;     /* usec */
        unsigned int read_timer_interval;       /* usec */
        enum lttng_ust_output output;           /* splice, mmap */
        char padding[LTTNG_UST_CHANNEL_ATTR_PADDING];
-};
+} LTTNG_PACKED;
 
 #define LTTNG_UST_TRACEPOINT_ITER_PADDING      16
 struct lttng_ust_tracepoint_iter {
        char name[LTTNG_UST_SYM_NAME_LEN];      /* provider:name */
        int loglevel;
        char padding[LTTNG_UST_TRACEPOINT_ITER_PADDING];
-};
+} LTTNG_PACKED;
 
 #define LTTNG_UST_OBJECT_DATA_PADDING          LTTNG_UST_SYM_NAME_LEN + 32
 struct lttng_ust_object_data {
+       uint64_t memory_map_size;
        int handle;
        int shm_fd;
        int wait_fd;
-       uint64_t memory_map_size;
        char padding[LTTNG_UST_OBJECT_DATA_PADDING];
-};
+} LTTNG_PACKED;
 
 enum lttng_ust_calibrate_type {
        LTTNG_UST_CALIBRATE_TRACEPOINT,
@@ -170,14 +179,17 @@ struct lttng_ust_calibrate {
        union {
                char padding[LTTNG_UST_CALIBRATE_PADDING2];
        } u;
-};
+} LTTNG_PACKED;
 
 #define FILTER_BYTECODE_MAX_LEN                65536
+#define LTTNG_UST_FILTER_PADDING       32
 struct lttng_ust_filter_bytecode {
        uint32_t len;
        uint32_t reloc_offset;
+       uint64_t seqnum;
+       char padding[LTTNG_UST_FILTER_PADDING];
        char data[0];
-};
+} LTTNG_PACKED;
 
 #define _UST_CMD(minor)                                (minor)
 #define _UST_CMDR(minor, type)                 (minor)
@@ -249,7 +261,7 @@ union ust_args {
 
 struct lttng_ust_objd_ops {
        long (*cmd)(int objd, unsigned int cmd, unsigned long arg,
-               union ust_args *args);
+               union ust_args *args, void *owner);
        int (*release)(int objd);
 };
 
@@ -261,5 +273,6 @@ int lttng_ust_objd_unref(int id);
 
 void lttng_ust_abi_exit(void);
 void lttng_ust_events_exit(void);
+void lttng_ust_objd_table_owner_cleanup(void *owner);
 
 #endif /* _LTTNG_UST_ABI_H */