Staging: sep: forward declaration removal time

};

/*

	This function releases all the application virtual

	buffer physical pages, that were previously locked

*/

static int sep_free_dma_pages(struct page **page_array_ptr, unsigned long num_pages, unsigned long dirtyFlag);

/*

	This function creates the input and output dma tables for

	symmetric operations (AES/DES) according to the block size

	from LLI arays

*/

static int sep_construct_dma_tables_from_lli(struct sep_lli_entry_t *lli_in_array,

				      unsigned long sep_in_lli_entries,

				      struct sep_lli_entry_t *lli_out_array,

				      unsigned long sep_out_lli_entries,

				      unsigned long block_size, unsigned long *lli_table_in_ptr, unsigned long *lli_table_out_ptr, unsigned long *in_num_entries_ptr, unsigned long *out_num_entries_ptr, unsigned long *table_data_size_ptr);

/*

	This function builds input and output DMA tables for synhronic symmetric

	operations (AES, DES) It also checks that each table is of the modular

	block size

*/

static int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,

				       unsigned long app_virt_out_addr,

				       unsigned long data_size,

				       unsigned long block_size,

				       unsigned long *lli_table_in_ptr, unsigned long *lli_table_out_ptr, unsigned long *in_num_entries_ptr, unsigned long *out_num_entries_ptr, unsigned long *table_data_size_ptr, bool isKernelVirtualAddress);

/*

	This function prepares only input DMA table for synhronic symmetric

	operations (HASH)

*/

static int sep_prepare_input_dma_table(unsigned long app_virt_addr, unsigned long data_size, unsigned long block_size, unsigned long *lli_table_ptr, unsigned long *num_entries_ptr, unsigned long *table_data_size_ptr, bool isKernelVirtualAddress);

/*

	this function handles the request for freeing dma table for

	synhronic actions

*/

static int sep_free_dma_table_data_handler(void);

#endif

/*

 *

 *  sep_driver_ext_api.h - Security Processor Driver external api definitions

 *

 *  Copyright(c) 2009 Intel Corporation. All rights reserved.

 *  Copyright(c) 2009 Discretix. 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 as published by the Free

 *  Software Foundation; either version 2 of the License, or (at your option)

 *  any later version.

 *

 *  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; if not, write to the Free Software Foundation, Inc., 59

 *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 *

 *  CONTACTS:

 *

 *  Mark Allyn		mark.a.allyn@intel.com

 *

 *  CHANGES:

 *

 *  2009.06.26	Initial publish

 *

 */

#ifndef __SEP_DRIVER_EXT_API_H__

#define __SEP_DRIVER_EXT_API_H__

/* shared variables */

static int sepDebug;

/*

this function loads the ROM code in SEP (needed only in the debug mode on FPGA)

*/

static void sep_load_rom_code(void);

/*

This functions copies the cache and resident from their source location into

destination memory, which is external to Linux VM and is given as physical

address

*/

static int sep_copy_cache_resident_to_area(unsigned long src_cache_addr, unsigned long cache_size_in_bytes, unsigned long src_resident_addr, unsigned long resident_size_in_bytes, unsigned long *dst_new_cache_addr_ptr, unsigned long *dst_new_resident_addr_ptr);

/*

This functions maps and allocates the shared area on the external

RAM (device) The input is shared_area_size - the size of the memory

to allocate. The outputs are kernel_shared_area_addr_ptr - the kerenl

address of the mapped and allocated shared area, and

phys_shared_area_addr_ptr - the physical address of the shared area

*/

static int sep_map_and_alloc_shared_area(unsigned long shared_area_size, unsigned long *kernel_shared_area_addr_ptr, unsigned long *phys_shared_area_addr_ptr);

/*

This functions unmaps and deallocates the shared area on the  external

RAM (device) The input is shared_area_size - the size of the memory to

deallocate,kernel_shared_area_addr_ptr - the kernel address of the

mapped and allocated shared area,phys_shared_area_addr_ptr - the physical

address of the shared area

*/

static void sep_unmap_and_free_shared_area(unsigned long shared_area_size, unsigned long kernel_shared_area_addr, unsigned long phys_shared_area_addr);

/*

This functions returns the physical address inside shared area according

to the virtual address. It can be either on the externa RAM device

(ioremapped), or on the system RAM

*/

static unsigned long sep_shared_area_virt_to_phys(unsigned long virt_address);

/*

This functions returns the vitrual address inside shared area according

to the physical address. It can be either on the externa RAM device

(ioremapped), or on the system RAM This implementation is for the external RAM

*/

static unsigned long sep_shared_area_phys_to_virt(unsigned long phys_address);

#endif /*__SEP_DRIVER_EXT_API_H__*/