session svm: support for segments larger than 4GB

Type: feature

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

6 files changed, 20 insertions, 21 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;
diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c
index 5247b0e7461..0600b671be7 100644
--- a/src/vnet/session/segment_manager.c
+++ b/src/vnet/session/segment_manager.c
@@ -83,11 +83,11 @@ segment_manager_segment_index (segment_manager_t * sm, fifo_segment_t * seg)
  * to avoid affecting any of the segments pool readers.
  */
 int
-segment_manager_add_segment (segment_manager_t * sm, u32 segment_size)
+segment_manager_add_segment (segment_manager_t * sm, uword segment_size)
 {
+  uword baseva = (uword) ~ 0ULL, alloc_size, page_size;
+  u32 rnd_margin = 128 << 10, fs_index = ~0;
   segment_manager_main_t *smm = &sm_main;
-  u32 rnd_margin = 128 << 10, fs_index = ~0, page_size;
-  uword baseva = (uword) ~ 0ULL, alloc_size;
   segment_manager_props_t *props;
   fifo_segment_t *fs;
   u8 *seg_name;
@@ -307,7 +307,7 @@ segment_manager_alloc (void)
  * Returns error if ssvm segment(s) allocation fails.
  */
 int
-segment_manager_init (segment_manager_t * sm, u32 first_seg_size,
+segment_manager_init (segment_manager_t * sm, uword first_seg_size,
 		      u32 prealloc_fifo_pairs)
 {
   u32 rx_fifo_size, tx_fifo_size, pair_size;
diff --git a/src/vnet/session/segment_manager.h b/src/vnet/session/segment_manager.h
index f2a90c8f935..b40926091c4 100644
--- a/src/vnet/session/segment_manager.h
+++ b/src/vnet/session/segment_manager.h
@@ -25,9 +25,9 @@ typedef struct _segment_manager_props
   u32 rx_fifo_size;			/**< receive fifo size */
   u32 tx_fifo_size;			/**< transmit fifo size */
   u32 evt_q_size;			/**< event queue length */
-  u32 segment_size;			/**< first segment size */
   u32 prealloc_fifos;			/**< preallocated fifo pairs */
-  u32 add_segment_size;			/**< additional segment size */
+  uword segment_size;			/**< first segment size */
+  uword add_segment_size;		/**< additional segment size */
   u8 add_segment:1;			/**< can add new segments flag */
   u8 use_mq_eventfd:1;			/**< use eventfds for mqs flag */
   u8 reserved:6;			/**< reserved flags */
@@ -69,7 +69,7 @@ typedef struct segment_manager_main_init_args_
 #define SEGMENT_MANAGER_INVALID_APP_INDEX ((u32) ~0)
 
 segment_manager_t *segment_manager_alloc (void);
-int segment_manager_init (segment_manager_t * sm, u32 first_seg_size,
+int segment_manager_init (segment_manager_t * sm, uword first_seg_size,
 			  u32 prealloc_fifo_pairs);
 
 /**
@@ -89,7 +89,7 @@ segment_manager_t *segment_manager_get (u32 index);
 segment_manager_t *segment_manager_get_if_valid (u32 index);
 u32 segment_manager_index (segment_manager_t * sm);
 
-int segment_manager_add_segment (segment_manager_t * sm, u32 segment_size);
+int segment_manager_add_segment (segment_manager_t * sm, uword segment_size);
 void segment_manager_del_segment (segment_manager_t * sm,
 				  fifo_segment_t * fs);
 fifo_segment_t *segment_manager_get_segment (segment_manager_t * sm,