Add mmap client mode

[lttng-modules.git] / ltt-ring-buffer-metadata-client.h

diff --git a/ltt-ring-buffer-metadata-client.h b/ltt-ring-buffer-metadata-client.h
index 136af200c5bdc889c7ce72403e0a64e70d9d1b9d..43a711caa29c5da4ce4bbf7fea331c0eeeb4ed23 100644 (file)
--- a/ltt-ring-buffer-metadata-client.h
+++ b/ltt-ring-buffer-metadata-client.h
@@ -57,9 +57,7 @@ static u64 client_ring_buffer_clock_read(struct channel *chan)
 static
 size_t client_record_header_size(const struct lib_ring_buffer_config *config,
                                 struct channel *chan, size_t offset,
-                                size_t data_size,
                                 size_t *pre_header_padding,
-                                unsigned int rflags,
                                 struct lib_ring_buffer_ctx *ctx)
 {
        return 0;
@@ -144,7 +142,7 @@ static const struct lib_ring_buffer_config client_config = {
        .sync = RING_BUFFER_SYNC_GLOBAL,
        .mode = RING_BUFFER_MODE_TEMPLATE,
        .backend = RING_BUFFER_PAGE,
-       .output = RING_BUFFER_SPLICE,
+       .output = RING_BUFFER_OUTPUT_TEMPLATE,
        .oops = RING_BUFFER_OOPS_CONSISTENCY,
        .ipi = RING_BUFFER_IPI_BARRIER,
        .wakeup = RING_BUFFER_WAKEUP_BY_TIMER,
@@ -222,9 +220,27 @@ size_t ltt_packet_avail_size(struct channel *chan)
 }
 
 static
-wait_queue_head_t *ltt_get_reader_wait_queue(struct ltt_channel *chan)
+wait_queue_head_t *ltt_get_reader_wait_queue(struct channel *chan)
 {
-       return &chan->chan->read_wait;
+       return &chan->read_wait;
+}
+
+static
+wait_queue_head_t *ltt_get_hp_wait_queue(struct channel *chan)
+{
+       return &chan->hp_wait;
+}
+
+static
+int ltt_is_finalized(struct channel *chan)
+{
+       return lib_ring_buffer_channel_is_finalized(chan);
+}
+
+static
+int ltt_is_disabled(struct channel *chan)
+{
+       return lib_ring_buffer_channel_is_disabled(chan);
 }
 
 static struct ltt_transport ltt_relay_transport = {
@@ -240,6 +256,9 @@ static struct ltt_transport ltt_relay_transport = {
                .event_write = ltt_event_write,
                .packet_avail_size = ltt_packet_avail_size,
                .get_reader_wait_queue = ltt_get_reader_wait_queue,
+               .get_hp_wait_queue = ltt_get_hp_wait_queue,
+               .is_finalized = ltt_is_finalized,
+               .is_disabled = ltt_is_disabled,
        },
 };
 
@@ -250,7 +269,6 @@ static int __init ltt_ring_buffer_client_init(void)
         * vmalloc'd module pages when it is built as a module into LTTng.
         */
        wrapper_vmalloc_sync_all();
-       printk(KERN_INFO "LTT : ltt ring buffer metadata client init\n");
        ltt_transport_register(&ltt_relay_transport);
        return 0;
 }
@@ -259,7 +277,6 @@ module_init(ltt_ring_buffer_client_init);
 
 static void __exit ltt_ring_buffer_client_exit(void)
 {
-       printk(KERN_INFO "LTT : ltt ring buffer metadata client exit\n");
        ltt_transport_unregister(&ltt_relay_transport);
 }