original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
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+/* ipcom_shared_mem.h - API for shared memory allocation */
+
+/*
+ ******************************************************************************
+ *                     INTERPEAK API HEADER FILE
+ *
+ *   Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipcom_shared_mem.h,v $ $Revision: 1.2 $
+ *   $Source: /home/interpeak/CVSRoot/ipcom/include/ipcom_shared_mem.h,v $
+ *   $Author: ulf $ $Date: 2010-05-21 14:18:44 $
+ *   $State: Exp $ $Locker:  $
+ *
+ *   INTERPEAK_COPYRIGHT_STRING
+ ******************************************************************************
+ */
+#ifndef IPCOM_SHARED_MEM_H
+#define IPCOM_SHARED_MEM_H
+
+/*
+ ****************************************************************************
+ * 1                    DESCRIPTION
+ ****************************************************************************
+ * Definition of API for creating, allocating from, and freeing memory to
+ * a shared memory pool based upon a shared memory region.
+ * It is intended for AMP systems that need to allocate and free shared
+ * memory.
+ */
+
+
+/*
+ ****************************************************************************
+ * 2                    CONFIGURATION
+ ****************************************************************************
+ */
+
+#include "ipcom_config.h"
+
+
+/*
+ ****************************************************************************
+ * 3                    INCLUDE FILES
+ ****************************************************************************
+ */
+
+#include <ipcom_atomic.h>
+#include <ipcom_cstyle.h>
+#include <ipcom_type.h>
+#include <ipcom_ipc_spinlock.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ ****************************************************************************
+ * 4                    DEFINES
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 5                    TYPES
+ ****************************************************************************
+ */
+
+typedef Ip_size_t Ip_shared_mem_offset;
+
+typedef Ip_size_t Ip_shared_mem_virt_addr;
+
+/* The memory pool type is opaque. */
+struct Ipcom_shared_mem_pool_struct;
+typedef struct Ipcom_shared_mem_pool_struct Ipcom_shared_mem_pool_t;
+
+typedef struct Ipcom_shared_mem_pool_cfg_s
+{
+    Ip_shared_mem_virt_addr addr;
+    Ip_size_t len;
+} Ipcom_shared_mem_pool_cfg_t;
+
+/*
+ ****************************************************************************
+ * 6                    FUNCTIONS
+ ****************************************************************************
+ */
+
+IP_PUBLIC Ip_size_t
+ipcom_shared_mem_blk_size(Ipcom_shared_mem_pool_t *pool, void *buffer);
+
+IP_PUBLIC void *
+ipcom_shared_mem_alloc(Ipcom_shared_mem_pool_t *pool, Ip_size_t size);
+
+IP_PUBLIC void
+ipcom_shared_mem_free(Ipcom_shared_mem_pool_t *pool, void *buffer);
+
+IP_PUBLIC int
+ipcom_shared_mem_pool_init(Ipcom_shared_mem_pool_t *pool, Ip_size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IPCOM_SHARED_MEM_H */
+
+
+/*
+ ****************************************************************************
+ *                      END OF FILE
+ ****************************************************************************
+ */