X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fsvm%2Fssvm.h;h=9bf009e73d280b8933ecec1d9eca0e07eb34e55b;hb=b384b543313b6b47a277c903e9d4fcd4343054fa;hp=0295e302e725d964f21c51ccb1befbf73da929a2;hpb=4d9b9d8e74f12a26404ccdd8baf46c61b44584db;p=vpp.git

diff --git a/src/svm/ssvm.h b/src/svm/ssvm.h
index 0295e302e72..9bf009e73d2 100644
--- a/src/svm/ssvm.h
+++ b/src/svm/ssvm.h
@@ -45,6 +45,13 @@
 
 #define SSVM_N_OPAQUE 7
 
+typedef enum ssvm_segment_type_
+{
+  SSVM_SEGMENT_SHM = 0,
+  SSVM_SEGMENT_MEMFD,
+  SSVM_N_SEGMENT_TYPES		/**< Private segments */
+} ssvm_segment_type_t;
+
 typedef struct
 {
   /* Spin-lock */
@@ -68,8 +75,7 @@ typedef struct
   /* Set when the master application thinks it's time to make the donuts */
   volatile u32 ready;
 
-  /* Needed to make unique MAC addresses, etc. */
-  u32 master_index;
+  ssvm_segment_type_t type;
 } ssvm_shared_header_t;
 
 typedef struct
@@ -81,8 +87,11 @@ typedef struct
   uword requested_va;
   int i_am_master;
 
-  /* Needed by memfd segments */
-  int fd;
+  union
+  {
+    int fd;			/**< memfd segments */
+    int attach_timeout;		/**< shm segments attach timeout (sec) */
+  };
 } ssvm_private_t;
 
 always_inline void
@@ -145,6 +154,18 @@ ssvm_pop_heap (void *oldheap)
   clib_mem_set_heap (oldheap);
 }
 
+static inline void *
+ssvm_mem_alloc (ssvm_private_t * ssvm, uword size)
+{
+  u8 *oldheap;
+  void *rv;
+
+  oldheap = clib_mem_set_heap (ssvm->sh->heap);
+  rv = clib_mem_alloc (size);
+  clib_mem_set_heap (oldheap);
+  return (rv);
+}
+
 #define foreach_ssvm_api_error                  \
 _(NO_NAME, "No shared segment name", -100)      \
 _(NO_SIZE, "Size not set (master)", -101)       \
@@ -162,27 +183,20 @@ typedef enum
 
 #define SSVM_API_ERROR_NO_NAME	(-10)
 
-int ssvm_master_init (ssvm_private_t * ssvm, u32 master_index);
-int ssvm_slave_init (ssvm_private_t * ssvm, int timeout_in_seconds);
+int ssvm_master_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
+int ssvm_slave_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
 void ssvm_delete (ssvm_private_t * ssvm);
 
-int ssvm_master_init_memfd (ssvm_private_t * memfd, u32 master_index);
+int ssvm_master_init_shm (ssvm_private_t * ssvm);
+int ssvm_slave_init_shm (ssvm_private_t * ssvm);
+void ssvm_delete_shm (ssvm_private_t * ssvm);
+
+int ssvm_master_init_memfd (ssvm_private_t * memfd);
 int ssvm_slave_init_memfd (ssvm_private_t * memfd);
-void memfd_delete (ssvm_private_t * memfd);
+void ssvm_delete_memfd (ssvm_private_t * memfd);
 
-/* These do not belong here, but the original keeps running around... */
-/* $$$$ work w/ Damjan to fix properly */
-#ifndef F_LINUX_SPECIFIC_BASE
-#define F_LINUX_SPECIFIC_BASE 1024
-#endif
-#define MFD_ALLOW_SEALING       0x0002U
-#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
-#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
-
-#define F_SEAL_SEAL     0x0001	/* prevent further seals from being set */
-#define F_SEAL_SHRINK   0x0002	/* prevent file from shrinking */
-#define F_SEAL_GROW     0x0004	/* prevent file from growing */
-#define F_SEAL_WRITE    0x0008	/* prevent writes */
+ssvm_segment_type_t ssvm_type (const ssvm_private_t * ssvm);
+u8 *ssvm_name (const ssvm_private_t * ssvm);
 
 #endif /* __included_ssvm_h__ */