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authorFlorin Coras <fcoras@cisco.com>2019-04-18 21:25:49 -0700
committerFlorin Coras <florin.coras@gmail.com>2019-04-20 23:25:22 +0000
commit99ad2fc3e4ee2688639d7adabf8a857aa45720ff (patch)
treefd43ceb6ec7ad2afbda23a2f6f1b877c58355a93 /src/svm/svm_fifo.h
parentf7cda7a9bc399258959084154263c42c5a91e030 (diff)
svm: reorganize fifo march code
- make only the chunk copying (memcpy) code march aware - cleanup dependencies Change-Id: I369378264cacfcdaf0823353b957876554eaa17c Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/svm/svm_fifo.h')
-rw-r--r--src/svm/svm_fifo.h79
1 files changed, 9 insertions, 70 deletions
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h
index 39f052fb9fd..82d2b391ab6 100644
--- a/src/svm/svm_fifo.h
+++ b/src/svm/svm_fifo.h
@@ -21,11 +21,8 @@
#include <vppinfra/clib.h>
#include <vppinfra/vec.h>
-#include <vppinfra/mheap.h>
-#include <vppinfra/heap.h>
#include <vppinfra/pool.h>
#include <vppinfra/format.h>
-#include <pthread.h>
/** Out-of-order segment */
typedef struct
@@ -37,9 +34,6 @@ typedef struct
u32 length; /**< Length of segment */
} ooo_segment_t;
-format_function_t format_ooo_segment;
-format_function_t format_ooo_list;
-
#define SVM_FIFO_TRACE (0)
#define OOO_SEGMENT_INVALID_INDEX ((u32)~0)
#define SVM_FIFO_INVALID_SESSION_INDEX ((u32)~0)
@@ -264,6 +258,14 @@ svm_fifo_is_empty (svm_fifo_t * f)
return (svm_fifo_max_dequeue (f) == 0);
}
+static inline u8
+svm_fifo_is_wrapped (svm_fifo_t * f)
+{
+ u32 head, tail;
+ f_load_head_tail_all_acq (f, &head, &tail);
+ return head % f->size > tail % f->size;
+}
+
/* used by producer*/
static inline u32
svm_fifo_max_enqueue_prod (svm_fifo_t * f)
@@ -325,6 +327,7 @@ svm_fifo_unset_event (svm_fifo_t * f)
svm_fifo_t *svm_fifo_create (u32 data_size_in_bytes);
void svm_fifo_init (svm_fifo_t * f, u32 size);
+void svm_fifo_add_chunk (svm_fifo_t * f, svm_fifo_chunk_t * c);
void svm_fifo_free (svm_fifo_t * f);
int svm_fifo_enqueue_nowait (svm_fifo_t * f, u32 max_bytes,
@@ -520,70 +523,6 @@ ooo_segment_next (svm_fifo_t * f, ooo_segment_t * s)
return pool_elt_at_index (f->ooo_segments, s->next);
}
-static inline u8
-svm_fifo_is_wrapped (svm_fifo_t * f)
-{
- u32 head, tail;
- f_load_head_tail_all_acq (f, &head, &tail);
- return head % f->size > tail % f->size;
-}
-
-static inline void
-svm_fifo_size_update (svm_fifo_t * f, svm_fifo_chunk_t * c)
-{
- svm_fifo_chunk_t *prev;
- u32 add_bytes = 0;
-
- prev = f->end_chunk;
- while (c)
- {
- c->start_byte = prev->start_byte + prev->length;
- add_bytes += c->length;
- prev->next = c;
- prev = c;
- c = c->next;
- }
- f->end_chunk = prev;
- prev->next = f->start_chunk;
- f->size += add_bytes;
- f->nitems = f->size - 1;
- f->new_chunks = 0;
-}
-
-static inline void
-svm_fifo_add_chunk (svm_fifo_t * f, svm_fifo_chunk_t * c)
-{
- if (svm_fifo_is_wrapped (f))
- {
- if (f->new_chunks)
- {
- svm_fifo_chunk_t *prev;
-
- prev = f->new_chunks;
- while (prev->next)
- prev = prev->next;
- prev->next = c;
- }
- else
- {
- f->new_chunks = c;
- }
- f->flags |= SVM_FIFO_F_SIZE_UPDATE;
- return;
- }
-
- svm_fifo_size_update (f, c);
-}
-
-static inline void
-svm_fifo_try_size_update (svm_fifo_t * f, u32 new_head)
-{
- if (new_head % f->size > f->tail % f->size)
- return;
-
- svm_fifo_size_update (f, f->new_chunks);
- f->flags &= ~SVM_FIFO_F_SIZE_UPDATE;
-}
#endif /* __included_ssvm_fifo_h__ */
/*