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Move include/ust/ to include/lttng/
[lttng-ust.git] / libringbuffer / frontend_internal.h
diff --git a/libringbuffer/frontend_internal.h b/libringbuffer/frontend_internal.h
index a6b96c1a098ab089199cbc9d06f59549bcc4328f..dcf86b7736e8d2935b36baa6e89370b74a4cd272 100644 (file)
--- a/libringbuffer/frontend_internal.h
+++ b/libringbuffer/frontend_internal.h
@@ -18,7 +18,7 @@
 
 #include <urcu/compiler.h>
 
-#include <ust/ringbuffer-config.h>
+#include <lttng/ringbuffer-config.h>
 #include "backend_types.h"
 #include "frontend_types.h"
 #include "shm.h"
@@ -85,8 +85,8 @@ unsigned long subbuf_index(unsigned long offset, struct channel *chan)
 
 #if (CAA_BITS_PER_LONG == 32)
 static inline
-void save_last_tsc(const struct lib_ring_buffer_config *config,
-                  struct lib_ring_buffer *buf, u64 tsc)
+void save_last_tsc(const struct lttng_ust_lib_ring_buffer_config *config,
+                  struct lttng_ust_lib_ring_buffer *buf, u64 tsc)
 {
        if (config->tsc_bits == 0 || config->tsc_bits == 64)
                return;
@@ -98,8 +98,8 @@ void save_last_tsc(const struct lib_ring_buffer_config *config,
 }
 
 static inline
-int last_tsc_overflow(const struct lib_ring_buffer_config *config,
-                     struct lib_ring_buffer *buf, u64 tsc)
+int last_tsc_overflow(const struct lttng_ust_lib_ring_buffer_config *config,
+                     struct lttng_ust_lib_ring_buffer *buf, u64 tsc)
 {
        unsigned long tsc_shifted;
 
@@ -107,7 +107,7 @@ int last_tsc_overflow(const struct lib_ring_buffer_config *config,
                return 0;
 
        tsc_shifted = (unsigned long)(tsc >> config->tsc_bits);
-       if (unlikely(tsc_shifted
+       if (caa_unlikely(tsc_shifted
                     - (unsigned long)v_read(config, &buf->last_tsc)))
                return 1;
        else
@@ -115,8 +115,8 @@ int last_tsc_overflow(const struct lib_ring_buffer_config *config,
 }
 #else
 static inline
-void save_last_tsc(const struct lib_ring_buffer_config *config,
-                  struct lib_ring_buffer *buf, u64 tsc)
+void save_last_tsc(const struct lttng_ust_lib_ring_buffer_config *config,
+                  struct lttng_ust_lib_ring_buffer *buf, u64 tsc)
 {
        if (config->tsc_bits == 0 || config->tsc_bits == 64)
                return;
@@ -125,13 +125,13 @@ void save_last_tsc(const struct lib_ring_buffer_config *config,
 }
 
 static inline
-int last_tsc_overflow(const struct lib_ring_buffer_config *config,
-                     struct lib_ring_buffer *buf, u64 tsc)
+int last_tsc_overflow(const struct lttng_ust_lib_ring_buffer_config *config,
+                     struct lttng_ust_lib_ring_buffer *buf, u64 tsc)
 {
        if (config->tsc_bits == 0 || config->tsc_bits == 64)
                return 0;
 
-       if (unlikely((tsc - v_read(config, &buf->last_tsc))
+       if (caa_unlikely((tsc - v_read(config, &buf->last_tsc))
                     >> config->tsc_bits))
                return 1;
        else
@@ -140,17 +140,17 @@ int last_tsc_overflow(const struct lib_ring_buffer_config *config,
 #endif
 
 extern
-int lib_ring_buffer_reserve_slow(struct lib_ring_buffer_ctx *ctx);
+int lib_ring_buffer_reserve_slow(struct lttng_ust_lib_ring_buffer_ctx *ctx);
 
 extern
-void lib_ring_buffer_switch_slow(struct lib_ring_buffer *buf,
+void lib_ring_buffer_switch_slow(struct lttng_ust_lib_ring_buffer *buf,
                                 enum switch_mode mode,
-                                struct shm_handle *handle);
+                                struct lttng_ust_shm_handle *handle);
 
 /* Buffer write helpers */
 
 static inline
-void lib_ring_buffer_reserve_push_reader(struct lib_ring_buffer *buf,
+void lib_ring_buffer_reserve_push_reader(struct lttng_ust_lib_ring_buffer *buf,
                                         struct channel *chan,
                                         unsigned long offset)
 {
@@ -167,32 +167,32 @@ void lib_ring_buffer_reserve_push_reader(struct lib_ring_buffer *buf,
                 * write position sub-buffer index in the buffer being the one
                 * which will win this loop.
                 */
-               if (unlikely(subbuf_trunc(offset, chan)
+               if (caa_unlikely(subbuf_trunc(offset, chan)
                              - subbuf_trunc(consumed_old, chan)
                             >= chan->backend.buf_size))
                        consumed_new = subbuf_align(consumed_old, chan);
                else
                        return;
-       } while (unlikely(uatomic_cmpxchg(&buf->consumed, consumed_old,
+       } while (caa_unlikely(uatomic_cmpxchg(&buf->consumed, consumed_old,
                                              consumed_new) != consumed_old));
 }
 
 static inline
-void lib_ring_buffer_vmcore_check_deliver(const struct lib_ring_buffer_config *config,
-                                         struct lib_ring_buffer *buf,
+void lib_ring_buffer_vmcore_check_deliver(const struct lttng_ust_lib_ring_buffer_config *config,
+                                         struct lttng_ust_lib_ring_buffer *buf,
                                          unsigned long commit_count,
                                          unsigned long idx,
-                                         struct shm_handle *handle)
+                                         struct lttng_ust_shm_handle *handle)
 {
        if (config->oops == RING_BUFFER_OOPS_CONSISTENCY)
                v_set(config, &shmp_index(handle, buf->commit_hot, idx)->seq, commit_count);
 }
 
 static inline
-int lib_ring_buffer_poll_deliver(const struct lib_ring_buffer_config *config,
-                                struct lib_ring_buffer *buf,
+int lib_ring_buffer_poll_deliver(const struct lttng_ust_lib_ring_buffer_config *config,
+                                struct lttng_ust_lib_ring_buffer *buf,
                                 struct channel *chan,
-                                struct shm_handle *handle)
+                                struct lttng_ust_shm_handle *handle)
 {
        unsigned long consumed_old, consumed_idx, commit_count, write_offset;
 
@@ -232,18 +232,18 @@ int lib_ring_buffer_poll_deliver(const struct lib_ring_buffer_config *config,
 }
 
 static inline
-int lib_ring_buffer_pending_data(const struct lib_ring_buffer_config *config,
-                                struct lib_ring_buffer *buf,
+int lib_ring_buffer_pending_data(const struct lttng_ust_lib_ring_buffer_config *config,
+                                struct lttng_ust_lib_ring_buffer *buf,
                                 struct channel *chan)
 {
        return !!subbuf_offset(v_read(config, &buf->offset), chan);
 }
 
 static inline
-unsigned long lib_ring_buffer_get_data_size(const struct lib_ring_buffer_config *config,
-                                           struct lib_ring_buffer *buf,
+unsigned long lib_ring_buffer_get_data_size(const struct lttng_ust_lib_ring_buffer_config *config,
+                                           struct lttng_ust_lib_ring_buffer *buf,
                                            unsigned long idx,
-                                           struct shm_handle *handle)
+                                           struct lttng_ust_shm_handle *handle)
 {
        return subbuffer_get_data_size(config, &buf->backend, idx, handle);
 }
@@ -254,10 +254,10 @@ unsigned long lib_ring_buffer_get_data_size(const struct lib_ring_buffer_config
  * This is a very specific ftrace use-case, so we keep this as "internal" API.
  */
 static inline
-int lib_ring_buffer_reserve_committed(const struct lib_ring_buffer_config *config,
-                                     struct lib_ring_buffer *buf,
+int lib_ring_buffer_reserve_committed(const struct lttng_ust_lib_ring_buffer_config *config,
+                                     struct lttng_ust_lib_ring_buffer *buf,
                                      struct channel *chan,
-                                     struct shm_handle *handle)
+                                     struct lttng_ust_shm_handle *handle)
 {
        unsigned long offset, idx, commit_count;
 
@@ -283,20 +283,20 @@ int lib_ring_buffer_reserve_committed(const struct lib_ring_buffer_config *confi
 }
 
 static inline
-void lib_ring_buffer_check_deliver(const struct lib_ring_buffer_config *config,
-                                  struct lib_ring_buffer *buf,
+void lib_ring_buffer_check_deliver(const struct lttng_ust_lib_ring_buffer_config *config,
+                                  struct lttng_ust_lib_ring_buffer *buf,
                                   struct channel *chan,
                                   unsigned long offset,
                                   unsigned long commit_count,
                                   unsigned long idx,
-                                  struct shm_handle *handle)
+                                  struct lttng_ust_shm_handle *handle)
 {
        unsigned long old_commit_count = commit_count
                                         - chan->backend.subbuf_size;
        u64 tsc;
 
        /* Check if all commits have been done */
-       if (unlikely((buf_trunc(offset, chan) >> chan->backend.num_subbuf_order)
+       if (caa_unlikely((buf_trunc(offset, chan) >> chan->backend.num_subbuf_order)
                     - (old_commit_count & chan->commit_count_mask) == 0)) {
                /*
                 * If we succeeded at updating cc_sb below, we are the subbuffer
@@ -324,7 +324,7 @@ void lib_ring_buffer_check_deliver(const struct lib_ring_buffer_config *config,
                 * The subbuffer size is least 2 bytes (minimum size: 1 page).
                 * This guarantees that old_commit_count + 1 != commit_count.
                 */
-               if (likely(v_cmpxchg(config, &shmp_index(handle, buf->commit_cold, idx)->cc_sb,
+               if (caa_likely(v_cmpxchg(config, &shmp_index(handle, buf->commit_cold, idx)->cc_sb,
                                         old_commit_count, old_commit_count + 1)
                           == old_commit_count)) {
                        /*
@@ -421,14 +421,14 @@ void lib_ring_buffer_check_deliver(const struct lib_ring_buffer_config *config,
  * useful for crash dump.
  */
 static inline
-void lib_ring_buffer_write_commit_counter(const struct lib_ring_buffer_config *config,
-                                         struct lib_ring_buffer *buf,
+void lib_ring_buffer_write_commit_counter(const struct lttng_ust_lib_ring_buffer_config *config,
+                                         struct lttng_ust_lib_ring_buffer *buf,
                                          struct channel *chan,
                                          unsigned long idx,
                                          unsigned long buf_offset,
                                          unsigned long commit_count,
                                          size_t slot_size,
-                                         struct shm_handle *handle)
+                                         struct lttng_ust_shm_handle *handle)
 {
        unsigned long offset, commit_seq_old;
 
@@ -443,7 +443,7 @@ void lib_ring_buffer_write_commit_counter(const struct lib_ring_buffer_config *c
         * buffer full/empty mismatch because offset is never zero here
         * (subbuffer header and record headers have non-zero length).
         */
-       if (unlikely(subbuf_offset(offset - commit_count, chan)))
+       if (caa_unlikely(subbuf_offset(offset - commit_count, chan)))
                return;
 
        commit_seq_old = v_read(config, &shmp_index(handle, buf->commit_hot, idx)->seq);
@@ -452,12 +452,12 @@ void lib_ring_buffer_write_commit_counter(const struct lib_ring_buffer_config *c
                                           commit_seq_old, commit_count);
 }
 
-extern int lib_ring_buffer_create(struct lib_ring_buffer *buf,
+extern int lib_ring_buffer_create(struct lttng_ust_lib_ring_buffer *buf,
                                  struct channel_backend *chanb, int cpu,
-                                 struct shm_handle *handle,
+                                 struct lttng_ust_shm_handle *handle,
                                  struct shm_object *shmobj);
-extern void lib_ring_buffer_free(struct lib_ring_buffer *buf,
-                                struct shm_handle *handle);
+extern void lib_ring_buffer_free(struct lttng_ust_lib_ring_buffer *buf,
+                                struct lttng_ust_shm_handle *handle);
 
 /* Keep track of trap nesting inside ring buffer code */
 extern __thread unsigned int lib_ring_buffer_nesting;
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