1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/mxc/security/sahara2/include/sah_memory_mapper.h b/drivers/mxc/security/sahara2/include/sah_memory_mapper.h
new file mode 100644
index 000000000000..ddf4a59af540
--- /dev/null
+++ b/drivers/mxc/security/sahara2/include/sah_memory_mapper.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/**
+* @file sah_memory_mapper.h
+*
+* @brief Re-creates SAHARA data structures in Kernel memory such that they are
+*       suitable for DMA.
+*
+*/
+
+#ifndef SAH_MEMORY_MAPPER_H
+#define SAH_MEMORY_MAPPER_H
+
+#include <sah_driver_common.h>
+#include <sah_queue_manager.h>
+
+
+/******************************************************************************
+* External function declarations
+******************************************************************************/
+sah_Head_Desc *sah_Copy_Descriptors(fsl_shw_uco_t * user_ctx,
+					sah_Head_Desc * desc);
+
+sah_Link *sah_Copy_Links(fsl_shw_uco_t * user_ctx, sah_Link * ptr);
+
+sah_Head_Desc *sah_Physicalise_Descriptors(sah_Head_Desc * desc);
+
+sah_Link *sah_Physicalise_Links (sah_Link *ptr);
+
+sah_Head_Desc *sah_DePhysicalise_Descriptors (sah_Head_Desc *desc);
+
+sah_Link *sah_DePhysicalise_Links (sah_Link *ptr);
+
+sah_Link *sah_Make_Links(fsl_shw_uco_t * user_ctx,
+			 sah_Link * ptr, sah_Link ** tail);
+
+
+void sah_Destroy_Descriptors (sah_Head_Desc *desc);
+
+void sah_Destroy_Links (sah_Link *link);
+
+void sah_Free_Chained_Descriptors (sah_Head_Desc *desc);
+
+void sah_Free_Chained_Links (sah_Link *link);
+
+int sah_Init_Mem_Map (void);
+
+void sah_Stop_Mem_Map (void);
+
+int sah_Block_Add_Page (int big);
+
+sah_Desc *sah_Alloc_Descriptor (void);
+sah_Head_Desc *sah_Alloc_Head_Descriptor (void);
+void sah_Free_Descriptor (sah_Desc *desc);
+void sah_Free_Head_Descriptor (sah_Head_Desc *desc);
+sah_Link *sah_Alloc_Link (void);
+void sah_Free_Link (sah_Link *link);
+
+void *wire_user_memory(void *address, uint32_t length, void **page_ctx);
+void unwire_user_memory(void **page_ctx);
+
+os_error_code map_user_memory(struct vm_area_struct *vma,
+			      uint32_t physical_addr, uint32_t size);
+os_error_code unmap_user_memory(uint32_t user_addr, uint32_t size);
+
+#endif  /* SAH_MEMORY_MAPPER_H */
+
+/* End of sah_memory_mapper.h */