1 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm/mvp/mvpkm/comm_transp.h b/arch/arm/mvp/mvpkm/comm_transp.h
new file mode 100644
index 0000000..a90eb40
--- /dev/null
+++ b/arch/arm/mvp/mvpkm/comm_transp.h
@@ -0,0 +1,90 @@
+/*
+ * Linux 2.6.32 and later Kernel module for VMware MVP Hypervisor Support
+ *
+ * Copyright (C) 2010-2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING.  If not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#line 5
+
+/**
+ * @file
+ *
+ * @brief Generic shared memory transport API.
+ */
+
+#ifndef _COMM_TRANSP_H_
+#define _COMM_TRANSP_H_
+
+#define INCLUDE_ALLOW_PV
+#define INCLUDE_ALLOW_MODULE
+#define INCLUDE_ALLOW_MONITOR
+#define INCLUDE_ALLOW_GPL
+#include "include_check.h"
+
+/*
+ * Common shared memory identifier.
+ * External handle that makes sense to both hypervisor and guest.
+ */
+
+#define COMM_TRANSP_ID_8_ANY ((unsigned char)-1)
+#define COMM_TRANSP_ID_32_ANY ((unsigned int)-1)
+#define COMM_TRANSP_ID_64_ANY ((unsigned long long)-1)
+
+
+typedef struct CommTranspID {
+   union {
+      unsigned char d8[8];
+      unsigned int d32[2];
+      unsigned long long d64;
+   };
+} CommTranspID;
+
+
+/* Basic initialization arguments. */
+
+typedef enum CommTranspInitMode {
+   COMM_TRANSP_INIT_CREATE = 0x0,
+   COMM_TRANSP_INIT_ATTACH = 0x1
+} CommTranspInitMode;
+
+typedef struct CommTranspInitArgs {
+   unsigned int capacity;      // Shared memory capacity.
+   unsigned int type;          // Type / implementation using this area.
+   CommTranspID id;            // ID (name) of shared memory area.
+   CommTranspInitMode mode;    // Init mode (above).
+} CommTranspInitArgs;
+
+
+/**
+ * @brief Generate a type id from description (protocol) string. This function
+ *    uses djb2, a string hashing algorithm by Dan Bernstein.
+ *    (see  http://www.cse.yorku.ca/~oz/hash.html)
+ * @param str string to hash
+ * @return 32-bit hash value
+ */
+
+static inline unsigned int
+CommTransp_GetType(const char *str)
+{
+   unsigned int hash = 5381;
+   int c;
+
+   while ((c = *str++)) {
+      hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
+   }
+   return hash;
+}
+
+#endif // _COMM_TRANSP_H_