* Dual LGPL v2.1/GPL v2 license.
*/
-#include "shm.h"
+#include "shm_internal.h"
struct lib_ring_buffer_backend_pages {
unsigned long mmap_offset; /* offset of the subbuffer in mmap */
struct channel;
struct lib_ring_buffer;
+struct lib_ring_buffer_backend_pages_shmp {
+ DECLARE_SHMP(struct lib_ring_buffer_backend_pages, shmp);
+};
+
struct lib_ring_buffer_backend {
/* Array of ring_buffer_backend_subbuffer for writer */
DECLARE_SHMP(struct lib_ring_buffer_backend_subbuffer, buf_wsb);
* Pointer array of backend pages, for whole buffer.
* Indexed by ring_buffer_backend_subbuffer identifier (id) index.
*/
- DECLARE_SHMP(struct lib_ring_buffer_backend_pages *, array);
+ DECLARE_SHMP(struct lib_ring_buffer_backend_pages_shmp, array);
DECLARE_SHMP(char, memory_map); /* memory mapping */
DECLARE_SHMP(struct channel, chan); /* Associated channel */
unsigned int allocated:1; /* Bool: is buffer allocated ? */
};
+struct lib_ring_buffer_shmp {
+ DECLARE_SHMP(struct lib_ring_buffer, shmp); /* Channel per-cpu buffers */
+};
+
struct channel_backend {
unsigned long buf_size; /* Size of the buffer */
unsigned long subbuf_size; /* Sub-buffer size */
*/
unsigned int buf_size_order; /* Order of buffer size */
int extra_reader_sb:1; /* Bool: has extra reader subbuffer */
- DECLARE_SHMP(struct lib_ring_buffer, buf); /* Channel per-cpu buffers */
unsigned long num_subbuf; /* Number of sub-buffers for writer */
u64 start_tsc; /* Channel creation TSC value */
void *priv; /* Client-specific information */
const struct lib_ring_buffer_config *config; /* Ring buffer configuration */
char name[NAME_MAX]; /* Channel name */
+ struct lib_ring_buffer_shmp buf[];
};
#endif /* _LINUX_RING_BUFFER_BACKEND_TYPES_H */