1 files changed, 146 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/syslink/listmp.h b/arch/arm/plat-omap/include/syslink/listmp.h
new file mode 100644
index 00000000000..31d2429e851
--- /dev/null
+++ b/arch/arm/plat-omap/include/syslink/listmp.h
@@ -0,0 +1,146 @@
+/*
+ *  listmp.h
+ *
+ *  The listmp module defines the shared memory doubly linked list.
+ *
+ *  Copyright (C) 2008-2009 Texas Instruments, Inc.
+ *
+ *  This package 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ *  IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ *  WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ *  PURPOSE.
+ */
+
+#ifndef _LISTMP_H_
+#define _LISTMP_H_
+
+/* Standard headers */
+#include <linux/types.h>
+
+/* Utilities headers */
+#include <linux/list.h>
+/*#include <heap.h>*/
+
+/* =============================================================================
+ *  All success and failure codes for the module
+ * =============================================================================
+ */
+/* The resource is still in use */
+#define LISTMP_S_BUSY		2
+
+/* The module has already been setup */
+#define LISTMP_S_ALREADYSETUP	1
+
+/* Operation is successful. */
+#define LISTMP_SUCCESS		0
+
+/* Generic failure. */
+#define LISTMP_E_FAIL		-1
+
+/* Argument passed to a function is invalid. */
+#define LISTMP_E_INVALIDARG	-2
+
+/* Memory allocation failed. */
+#define LISTMP_E_MEMORY		-3
+
+/* The specified entity already exists. */
+#define LISTMP_E_ALREADYEXISTS	-4
+
+/* Unable to find the specified entity. */
+#define LISTMP_E_NOTFOUND	-5
+
+/* Operation timed out. */
+#define LISTMP_E_TIMEOUT	-6
+
+/* Module is not initialized. */
+#define LISTMP_E_INVALIDSTATE	-7
+
+/* A failure occurred in an OS-specific call */
+#define LISTMP_E_OSFAILURE	-8
+
+/* Specified resource is not available */
+#define LISTMP_E_RESOURCE	-9
+
+/* Operation was interrupted. Please restart the operation */
+#define LISTMP_E_RESTART	-10
+
+
+/* =============================================================================
+ *  Macros and types
+ * =============================================================================
+ */
+#define VOLATILE volatile
+
+/* Structure defining list element for the ListMP. */
+struct listmp_elem {
+	VOLATILE struct listmp_elem *next;
+	VOLATILE struct listmp_elem *prev;
+};
+
+/* Structure defining config parameters for the ListMP instances. */
+struct listmp_params {
+	/* gatemp instance for critical management of shared memory */
+	void *gatemp_handle;
+	void *shared_addr;  /* physical address of the shared memory */
+	char *name; /* name of the instance */
+	u16 region_id; /* sharedregion id */
+};
+
+
+/* Function initializes listmp parameters */
+void listmp_params_init(struct listmp_params *params);
+
+/* Function to create an instance of ListMP */
+void *listmp_create(const struct listmp_params *params);
+
+/* Function to delete an instance of ListMP */
+int listmp_delete(void **listmp_handle_ptr);
+
+/* Function to open a previously created instance */
+int listmp_open(char *name, void **listmp_handle_ptr);
+
+/* Function to open a previously created instance */
+int listmp_open_by_addr(void *shared_addr, void **listmp_handle_ptr);
+
+/* Function to close a previously opened instance */
+int listmp_close(void **listmp_handle);
+
+/* Function to check if list is empty */
+bool listmp_empty(void *listmp_handle);
+
+/* Retrieves the GateMP handle associated with the ListMP instance. */
+void *listmp_get_gate(void *listmp_handle);
+
+/* Function to get head element from list */
+void *listmp_get_head(void *listmp_handle);
+
+/* Function to get tail element from list */
+void *listmp_get_tail(void *listmp_handle);
+
+/* Function to insert element into list */
+int listmp_insert(void *listmp_handle, struct listmp_elem *new_elem,
+			struct listmp_elem *cur_elem);
+
+/* Function to traverse to next element in list */
+void *listmp_next(void *listmp_handle, struct listmp_elem *elem);
+
+/* Function to traverse to prev element in list */
+void *listmp_prev(void *listmp_handle, struct listmp_elem *elem);
+
+/* Function to put head element into list */
+int listmp_put_head(void *listmp_handle, struct listmp_elem *elem);
+
+/* Function to put tail element into list */
+int listmp_put_tail(void *listmp_handle, struct listmp_elem *elem);
+
+/* Function to traverse to remove element from list */
+int listmp_remove(void *listmp_handle, struct listmp_elem *elem);
+
+/* Function to get shared memory requirement for the module */
+uint listmp_shared_mem_req(const struct listmp_params *params);
+
+#endif /* _LISTMP_H_ */