1 /* 2 * 3 * (C) COPYRIGHT 2010-2014 ARM Limited. All rights reserved. 4 * 5 * This program is free software and is provided to you under the terms of the 6 * GNU General Public License version 2 as published by the Free Software 7 * Foundation, and any use by you of this program is subject to the terms 8 * of such GNU licence. 9 * 10 * A copy of the licence is included with the program, and can also be obtained 11 * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 12 * Boston, MA 02110-1301, USA. 13 * 14 */ 15 16 17 18 19 20 #ifndef _BASE_MEM_PRIV_H_ 21 #define _BASE_MEM_PRIV_H_ 22 23 #define BASE_SYNCSET_OP_MSYNC (1U << 0) 24 #define BASE_SYNCSET_OP_CSYNC (1U << 1) 25 26 /* 27 * This structure describe a basic memory coherency operation. 28 * It can either be: 29 * @li a sync from CPU to Memory: 30 * - type = ::BASE_SYNCSET_OP_MSYNC 31 * - mem_handle = a handle to the memory object on which the operation 32 * is taking place 33 * - user_addr = the address of the range to be synced 34 * - size = the amount of data to be synced, in bytes 35 * - offset is ignored. 36 * @li a sync from Memory to CPU: 37 * - type = ::BASE_SYNCSET_OP_CSYNC 38 * - mem_handle = a handle to the memory object on which the operation 39 * is taking place 40 * - user_addr = the address of the range to be synced 41 * - size = the amount of data to be synced, in bytes. 42 * - offset is ignored. 43 */ 44 struct basep_syncset { 45 base_mem_handle mem_handle; 46 u64 user_addr; 47 u64 size; 48 u8 type; 49 u8 padding[7]; 50 }; 51 52 #endif 53