diff options
Diffstat (limited to 'drivers/mxc/security/sahara2/include/sah_memory_mapper.h')
-rw-r--r-- | drivers/mxc/security/sahara2/include/sah_memory_mapper.h | 79 |
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 */ |