X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Flttng-ust-abi.h;fp=ltt-sessiond%2Flttng-ust-abi.h;h=5b025aeac5b30e6e7a514b9cbe7ffc1f4d99f58f;hp=da2bfb942a111844379bad1ff7d6b8b5eed55238;hb=1316184615e422526ef4fae68f980443414969c1;hpb=40b7f48507e072609c46b7173e4d805453ceaa8c

diff --git a/ltt-sessiond/lttng-ust-abi.h b/ltt-sessiond/lttng-ust-abi.h
index da2bfb942..5b025aeac 100644
--- a/ltt-sessiond/lttng-ust-abi.h
+++ b/ltt-sessiond/lttng-ust-abi.h
@@ -78,6 +78,25 @@ struct lttng_ust_context {
 	} u;
 };
 
+/*
+ * Tracer channel attributes.
+ */
+struct lttng_ust_channel_attr {
+	int overwrite;				/* 1: overwrite, 0: discard */
+	uint64_t subbuf_size;			/* bytes */
+	uint64_t num_subbuf;			/* power of 2 */
+	unsigned int switch_timer_interval;	/* usec */
+	unsigned int read_timer_interval;	/* usec */
+	enum lttng_ust_output output;		/* splice, mmap */
+};
+
+struct lttng_ust_object_data {
+	int handle;
+	int shm_fd;
+	int wait_fd;
+	uint64_t memory_map_size;
+};
+
 #define _UST_CMD(minor)				(minor)
 #define _UST_CMDR(minor, type)			(minor)
 #define _UST_CMDW(minor, type)			(minor)