session svm: support for segments larger than 4GB

Type: feature

Change-Id: I7d3017bbb369261d74f51807a226f2c12f45291c
Signed-off-by: Florin Coras <fcoras@cisco.com>

4 files changed, 12 insertions, 13 deletions

diff --git a/src/svm/fifo_segment.c b/src/svm/fifo_segment.c
index 95b88836ddb..01fa65623c5 100644
--- a/src/svm/fifo_segment.c
+++ b/src/svm/fifo_segment.c
@@ -25,7 +25,7 @@
  * @param fs		fifo segment
  * @return		number of free bytes
  */
-static u32
+static uword
 fs_free_space (fifo_segment_t * fs)
 {
   struct dlmallinfo dlminfo;
@@ -870,7 +870,7 @@ fifo_segment_update_free_bytes (fifo_segment_t * fs)
   clib_atomic_store_rel_n (&fsh->n_free_bytes, fs_free_space (fs));
 }
 
-u32
+uword
 fifo_segment_free_bytes (fifo_segment_t * fs)
 {
   return fsh_n_free_bytes (fs->h);
@@ -943,11 +943,11 @@ format_fifo_segment_type (u8 * s, va_list * args)
 u8 *
 format_fifo_segment (u8 * s, va_list * args)
 {
-  u32 count, indent, active_fifos, free_fifos, fifo_hdr = 0, chunk_size;
+  u32 count, indent, active_fifos, free_fifos, fifo_hdr = 0;
   fifo_segment_t *fs = va_arg (*args, fifo_segment_t *);
   int verbose __attribute__ ((unused)) = va_arg (*args, int);
-  u32 est_chunk_bytes, est_free_seg_bytes, free_chunks;
-  uword chunk_bytes = 0, free_seg_bytes;
+  uword est_chunk_bytes, est_free_seg_bytes, free_chunks;
+  uword chunk_bytes = 0, free_seg_bytes, chunk_size;
   fifo_segment_header_t *fsh;
   fifo_segment_slice_t *fss;
   svm_fifo_chunk_t *c;
@@ -1020,11 +1020,11 @@ format_fifo_segment (u8 * s, va_list * args)
   fifo_segment_update_free_bytes (fs);
   free_seg_bytes = fifo_segment_free_bytes (fs);
 
-  s = format (s, "\n%Useg free bytes: %U (%u) estimated: %U (%u)\n",
+  s = format (s, "\n%Useg free bytes: %U (%lu) estimated: %U (%lu)\n",
 	      format_white_space, indent + 2, format_memory_size,
 	      free_seg_bytes, free_seg_bytes, format_memory_size,
 	      est_free_seg_bytes, est_free_seg_bytes);
-  s = format (s, "%Uchunk free bytes: %U (%lu) estimated: %U (%u)\n",
+  s = format (s, "%Uchunk free bytes: %U (%lu) estimated: %U (%lu)\n",
 	      format_white_space, indent + 2, format_memory_size, chunk_bytes,
 	      chunk_bytes, format_memory_size, est_chunk_bytes,
 	      est_chunk_bytes);
diff --git a/src/svm/fifo_segment.h b/src/svm/fifo_segment.h
index ff36f45c4f2..d363c6058a7 100644
--- a/src/svm/fifo_segment.h
+++ b/src/svm/fifo_segment.h
@@ -42,7 +42,7 @@ 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 */
+  uword n_fl_chunk_bytes;		/**< Chunk bytes on freelist */
 } fifo_segment_slice_t;
 
 typedef struct
@@ -66,7 +66,7 @@ typedef struct
 typedef struct
 {
   fifo_segment_t *segments;	/**< pool of fifo segments */
-  u64 next_baseva;		/**< Where to put the next one */
+  uword next_baseva;		/**< Where to put the next one */
   u32 timeout_in_seconds;	/**< Time to wait during attach */
 } fifo_segment_main_t;
 
@@ -186,7 +186,7 @@ int fifo_segment_collect_fifo_chunks (fifo_segment_t * fs, svm_fifo_t * f);
  * @param fs		fifo segment
  * @return		free bytes estimate
  */
-u32 fifo_segment_free_bytes (fifo_segment_t * fs);
+uword fifo_segment_free_bytes (fifo_segment_t * fs);
 
 /**
  * Update fifo segment free bytes estimate
diff --git a/src/svm/ssvm.c b/src/svm/ssvm.c
index a16965e5e67..737d2344402 100644
--- a/src/svm/ssvm.c
+++ b/src/svm/ssvm.c
@@ -347,9 +347,8 @@ ssvm_delete_memfd (ssvm_private_t * memfd)
 int
 ssvm_master_init_private (ssvm_private_t * ssvm)
 {
+  uword pagesize = clib_mem_get_page_size (), rnd_size = 0;
   ssvm_shared_header_t *sh;
-  u32 pagesize = clib_mem_get_page_size ();
-  u32 rnd_size = 0;
   u8 *heap;
 
   rnd_size = clib_max (ssvm->ssvm_size + (pagesize - 1), ssvm->ssvm_size);
diff --git a/src/svm/ssvm.h b/src/svm/ssvm.h
index 60e0cc61ca4..82951d614b0 100644
--- a/src/svm/ssvm.h
+++ b/src/svm/ssvm.h
@@ -82,7 +82,7 @@ typedef struct
 typedef struct
 {
   ssvm_shared_header_t *sh;
-  u64 ssvm_size;
+  uword ssvm_size;
   u32 my_pid;
   u8 *name;
   uword requested_va;