diff options
Diffstat (limited to 'src/svm/svm_fifo.h')
| -rw-r--r-- | src/svm/svm_fifo.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h index a8aea00996e..ec32fd5f40d 100644 --- a/src/svm/svm_fifo.h +++ b/src/svm/svm_fifo.h @@ -85,6 +85,12 @@ typedef enum SVM_FIFO_FULL = -2, } svm_fifo_err_t; +typedef struct svm_fifo_segment_ +{ + u8 *data; + u32 len; +} svm_fifo_segment_t; + #if SVM_FIFO_TRACE #define svm_fifo_trace_add(_f, _s, _l, _t) \ { \ @@ -147,8 +153,8 @@ svm_fifo_has_ooo_data (svm_fifo_t * f) always_inline u8 svm_fifo_set_event (svm_fifo_t * f) { -// return __sync_lock_test_and_set (&f->has_event, 1) == 0; -// return __sync_bool_compare_and_swap (&f->has_event, 0, 1); + /* return __sync_lock_test_and_set (&f->has_event, 1) == 0; + return __sync_bool_compare_and_swap (&f->has_event, 0, 1); */ return !__atomic_exchange_n (&f->has_event, 1, __ATOMIC_RELEASE); } @@ -175,6 +181,8 @@ int svm_fifo_dequeue_nowait (svm_fifo_t * f, u32 max_bytes, u8 * copy_here); int svm_fifo_peek (svm_fifo_t * f, u32 offset, u32 max_bytes, u8 * copy_here); int svm_fifo_dequeue_drop (svm_fifo_t * f, u32 max_bytes); void svm_fifo_dequeue_drop_all (svm_fifo_t * f); +int svm_fifo_segments (svm_fifo_t * f, svm_fifo_segment_t * fs); +void svm_fifo_segments_free (svm_fifo_t * f, svm_fifo_segment_t * fs); u32 svm_fifo_number_ooo_segments (svm_fifo_t * f); ooo_segment_t *svm_fifo_first_ooo_segment (svm_fifo_t * f); void svm_fifo_init_pointers (svm_fifo_t * f, u32 pointer); |