session: segment manager improvements

[vpp.git] / src / svm / svm_fifo_segment.h

diff --git a/src/svm/svm_fifo_segment.h b/src/svm/svm_fifo_segment.h
index 31e14db..5cc4754 100644 (file)
--- a/src/svm/svm_fifo_segment.h
+++ b/src/svm/svm_fifo_segment.h
@@ -27,11 +27,20 @@ typedef enum
   FIFO_SEGMENT_N_FREELISTS
 } svm_fifo_segment_freelist_t;
 
+#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096
+#define FIFO_SEGMENT_MAX_FIFO_SIZE (8<<20)     /* 8mb max fifo size */
+#define FIFO_SEGMENT_ALLOC_CHUNK_SIZE 32       /* Allocation quantum */
+
+#define FIFO_SEGMENT_F_IS_PRIVATE      1 << 0  /* Private segment */
+#define FIFO_SEGMENT_F_IS_MAIN_HEAP    1 << 1  /* Segment is main heap */
+
 typedef struct
 {
   svm_fifo_t *fifos;           /**< Linked list of active RX fifos */
   u8 *segment_name;            /**< Segment name */
-  svm_fifo_t *free_fifos[FIFO_SEGMENT_N_FREELISTS];    /**< Free lists */
+  svm_fifo_t **free_fifos;     /**< Freelists, by fifo size  */
+  u32 n_active_fifos;          /**< Number of active fifos */
+  u8 flags;                    /**< Segment flags */
 } svm_fifo_segment_header_t;
 
 typedef struct
@@ -57,14 +66,16 @@ typedef struct
 {
   char *segment_name;
   u32 segment_size;
-  u32 new_segment_index;
+  u32 *new_segment_indices;
   u32 rx_fifo_size;
   u32 tx_fifo_size;
   u32 preallocated_fifo_pairs;
+  u32 private_segment_count;
+  u32 private_segment_size;
 } svm_fifo_segment_create_args_t;
 
 static inline svm_fifo_segment_private_t *
-svm_fifo_get_segment (u32 segment_index)
+svm_fifo_segment_get_segment (u32 segment_index)
 {
   svm_fifo_segment_main_t *ssm = &svm_fifo_segment_main;
   return vec_elt_at_index (ssm->segments, segment_index);
@@ -106,6 +117,8 @@ void svm_fifo_segment_free_fifo (svm_fifo_segment_private_t * s,
                                 svm_fifo_segment_freelist_t index);
 void svm_fifo_segment_init (u64 baseva, u32 timeout_in_seconds);
 u32 svm_fifo_segment_index (svm_fifo_segment_private_t * s);
+u32 svm_fifo_segment_num_fifos (svm_fifo_segment_private_t * fifo_segment);
+svm_fifo_segment_private_t *svm_fifo_segment_segments_pool (void);
 
 #endif /* __included_ssvm_fifo_segment_h__ */