diff options
Diffstat (limited to 'src/svm/fifo_segment.h')
| -rw-r--r-- | src/svm/fifo_segment.h | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/src/svm/fifo_segment.h b/src/svm/fifo_segment.h index 7922274cecf..ff36f45c4f2 100644 --- a/src/svm/fifo_segment.h +++ b/src/svm/fifo_segment.h @@ -26,8 +26,9 @@ typedef enum FIFO_SEGMENT_N_FTYPES } fifo_segment_ftype_t; -#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096 /* 4kB min fifo size */ -#define FIFO_SEGMENT_MAX_FIFO_SIZE (2 << 30) /* 2GB max fifo size */ +#define FIFO_SEGMENT_MIN_LOG2_FIFO_SIZE 12 /**< 4kB min fifo size */ +#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096 /**< 4kB min fifo size */ +#define FIFO_SEGMENT_MAX_FIFO_SIZE (2 << 30) /**< 2GB max fifo size */ #define FIFO_SEGMENT_ALLOC_BATCH_SIZE 32 /* Allocation quantum */ typedef enum fifo_segment_flags_ @@ -36,21 +37,30 @@ typedef enum fifo_segment_flags_ FIFO_SEGMENT_F_WILL_DELETE = 1 << 1, } fifo_segment_flags_t; -typedef struct +typedef struct fifo_segment_slice_ { svm_fifo_t *fifos; /**< Linked list of active RX fifos */ svm_fifo_t *free_fifos; /**< Freelists by fifo size */ svm_fifo_chunk_t **free_chunks; /**< Freelists by chunk size */ + u32 n_fl_chunk_bytes; /**< Chunk bytes on freelist */ +} fifo_segment_slice_t; + +typedef struct +{ + fifo_segment_slice_t *slices; /** Fixed array of slices */ + ssvm_shared_header_t *ssvm_sh; /**< Pointer to fs ssvm shared hdr */ + uword n_free_bytes; /**< Segment free bytes */ u32 n_active_fifos; /**< Number of active fifos */ + u32 max_log2_chunk_size; /**< Max log2(chunk size) for fs */ u8 flags; /**< Segment flags */ - u32 n_free_bytes; /**< Bytes usable for new allocs */ - u32 n_fl_chunk_bytes; /**< Chunk bytes on freelist */ + u8 n_slices; /**< Number of slices */ } fifo_segment_header_t; typedef struct { ssvm_private_t ssvm; /**< ssvm segment data */ fifo_segment_header_t *h; /**< fifo segment data */ + u8 n_slices; /**< number of fifo segment slices */ } fifo_segment_t; typedef struct @@ -90,9 +100,10 @@ void fifo_segment_info (fifo_segment_t * seg, char **address, size_t * size); * @param ftype fifo type @ref fifo_segment_ftype_t * @return new fifo or 0 if alloc failed */ -svm_fifo_t *fifo_segment_alloc_fifo (fifo_segment_t * fs, - u32 data_bytes, - fifo_segment_ftype_t ftype); +svm_fifo_t *fifo_segment_alloc_fifo_w_slice (fifo_segment_t * fs, + u32 slice_index, + u32 data_bytes, + fifo_segment_ftype_t ftype); /** * Free fifo allocated in fifo segment @@ -111,7 +122,8 @@ void fifo_segment_free_fifo (fifo_segment_t * fs, svm_fifo_t * f); * @param batch_size number of chunks to be allocated * @return 0 on success, negative number otherwise */ -int fifo_segment_prealloc_fifo_hdrs (fifo_segment_t * fs, u32 batch_size); +int fifo_segment_prealloc_fifo_hdrs (fifo_segment_t * fs, u32 slice_index, + u32 batch_size); /** * Try to preallocate fifo chunks on segment @@ -124,8 +136,8 @@ int fifo_segment_prealloc_fifo_hdrs (fifo_segment_t * fs, u32 batch_size); * @param batch_size number of chunks to be allocated * @return 0 on success, negative number otherwise */ -int fifo_segment_prealloc_fifo_chunks (fifo_segment_t * fs, u32 chunk_size, - u32 batch_size); +int fifo_segment_prealloc_fifo_chunks (fifo_segment_t * fs, u32 slice_index, + u32 chunk_size, u32 batch_size); /** * Pre-allocates fifo pairs in fifo segment * @@ -192,9 +204,10 @@ void fifo_segment_update_free_bytes (fifo_segment_t * fs); * @param fs fifo segment * @return free bytes on chunk free lists */ -u32 fifo_segment_fl_chunk_bytes (fifo_segment_t * fs); +uword fifo_segment_fl_chunk_bytes (fifo_segment_t * fs); u8 fifo_segment_has_fifos (fifo_segment_t * fs); -svm_fifo_t *fifo_segment_get_fifo_list (fifo_segment_t * fs); +svm_fifo_t *fifo_segment_get_slice_fifo_list (fifo_segment_t * fs, + u32 slice_index); u32 fifo_segment_num_fifos (fifo_segment_t * fs); u32 fifo_segment_num_free_fifos (fifo_segment_t * fs); /** |