VPP-236 Support 64-bit vector lengths, shared memory segments >4 GB

Change-Id: I02aee33e96e7ae32094b9f82f6a667d30bb52f59
Signed-off-by: Dave Barach <dave@barachs.net>

4 files changed, 79 insertions, 4 deletions

diff --git a/vlib-api/vlibapi/api.h b/vlib-api/vlibapi/api.h
index 9d885c17..a932bf42 100644
--- a/vlib-api/vlibapi/api.h
+++ b/vlib-api/vlibapi/api.h
@@ -141,9 +141,25 @@ typedef struct
   /* vector of message ranges */
   vl_api_msg_range_t *msg_ranges;
 
+  /* uid for the api shared memory region */
+  int api_uid;
   /* gid for the api shared memory region */
   int api_gid;
-  int api_uid;
+
+  /* base virtual address for global VM region */
+  u64 global_baseva;
+
+  /* size of the global VM region */
+  u64 global_size;
+
+  /* size of the API region */
+  u64 api_size;
+
+  /* size of the global VM private mheap */
+  u64 global_pvt_heap_size;
+
+  /* size of the api private mheap */
+  u64 api_pvt_heap_size;
 
   /* Client-only data structures */
   unix_shared_memory_queue_t *vl_input_queue;
diff --git a/vlib-api/vlibmemory/api.h b/vlib-api/vlibmemory/api.h
index e3a95843..bc4cfbf4 100644
--- a/vlib-api/vlibmemory/api.h
+++ b/vlib-api/vlibmemory/api.h
@@ -142,6 +142,11 @@ void vl_set_memory_region_name (char *name);
 void vl_set_memory_root_path (char *root_path);
 void vl_set_memory_uid (int uid);
 void vl_set_memory_gid (int gid);
+void vl_set_global_memory_baseva (u64 baseva);
+void vl_set_global_memory_size (u64 size);
+void vl_set_api_memory_size (u64 size);
+void vl_set_global_pvt_heap_size (u64 size);
+void vl_set_api_pvt_heap_size (u64 size);
 void vl_enable_disable_memory_api (vlib_main_t * vm, int yesno);
 void vl_client_disconnect_from_vlib (void);
 int vl_client_connect_to_vlib (char *svm_name, char *client_name,
diff --git a/vlib-api/vlibmemory/memory_shared.c b/vlib-api/vlibmemory/memory_shared.c
index 53976fbe..a2f22771 100644
--- a/vlib-api/vlibmemory/memory_shared.c
+++ b/vlib-api/vlibmemory/memory_shared.c
@@ -228,6 +228,46 @@ vl_set_memory_gid (int gid)
   am->api_gid = gid;
 }
 
+void
+vl_set_global_memory_baseva (u64 baseva)
+{
+  api_main_t *am = &api_main;
+
+  am->global_baseva = baseva;
+}
+
+void
+vl_set_global_memory_size (u64 size)
+{
+  api_main_t *am = &api_main;
+
+  am->global_size = size;
+}
+
+void
+vl_set_api_memory_size (u64 size)
+{
+  api_main_t *am = &api_main;
+
+  am->api_size = size;
+}
+
+void
+vl_set_global_pvt_heap_size (u64 size)
+{
+  api_main_t *am = &api_main;
+
+  am->global_pvt_heap_size = size;
+}
+
+void
+vl_set_api_pvt_heap_size (u64 size)
+{
+  api_main_t *am = &api_main;
+
+  am->api_pvt_heap_size = size;
+}
+
 int
 vl_map_shmem (char *region_name, int is_vlib)
 {
@@ -245,10 +285,11 @@ vl_map_shmem (char *region_name, int is_vlib)
   memset (a, 0, sizeof (*a));
 
   a->name = region_name;
-  a->size = 16 << 20;
+  a->size = am->api_size ? am->api_size: (16 << 20);
   a->flags = SVM_FLAGS_MHEAP;
   a->uid = am->api_uid;
   a->gid = am->api_gid;
+  a->pvt_heap_size = am->api_pvt_heap_size;
 
   vlib_rp = svm_region_find_or_create (a);
 
diff --git a/vlib-api/vlibmemory/memory_vlib.c b/vlib-api/vlibmemory/memory_vlib.c
index 68752745..2212b46b 100644
--- a/vlib-api/vlibmemory/memory_vlib.c
+++ b/vlib-api/vlibmemory/memory_vlib.c
@@ -1176,8 +1176,21 @@ clib_error_t *
 vlibmemory_init (vlib_main_t * vm)
 {
   api_main_t *am = &api_main;
-  /* Normally NULL / 0, set by cmd line "api-segment" */
-  svm_region_init_chroot_uid_gid (am->root_path, am->api_uid, am->api_gid);
+  svm_map_region_args_t _a, *a = &_a;
+  
+  memset (a, 0, sizeof (*a));
+  a->root_path = am->root_path;
+  a->name = SVM_GLOBAL_REGION_NAME;
+  a->baseva = (am->global_baseva != 0) ? 
+    am->global_baseva : SVM_GLOBAL_REGION_BASEVA;
+  a->size = (am->global_size != 0) ? am->global_size : SVM_GLOBAL_REGION_SIZE;
+  a->flags = SVM_FLAGS_NODATA;
+  a->uid = am->api_uid;
+  a->gid = am->api_gid;
+  a->pvt_heap_size = (am->global_pvt_heap_size != 0) ? am->global_pvt_heap_size 
+    : SVM_PVT_MHEAP_SIZE;
+
+  svm_region_init_args (a);
   return 0;
 }