1 /* 2 * Copyright (C) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 */ 18 19 #ifndef __DRV_TZSMMU_H 20 #define __DRV_TZSMMU_H 21 22 #include <linux/hisilicon/tee_smmu.h> 23 #include "hi_drv_mmz.h" 24 #include "hi_type.h" 25 26 u32 secmem_alloc(mmb_addr_t phyaddr, unsigned int iommu); 27 u32 secmem_free(mmb_addr_t sec_addr, unsigned int iommu); 28 29 u32 secmem_map_to_secsmmu(HI_U32 phyaddr, int iommu); 30 int secmem_unmap_from_secsmmu(HI_U32 sec_addr, int iommu); 31 32 33 int hi_tee_agent_end(void); 34 35 int sec_mem_get(HI_U32 sec_addr, int iommu); 36 int sec_mem_put(HI_U32 sec_addr, int iommu); 37 int sec_mem_buf_query_ref(HI_U32 sec_addr, int iommu, HI_U32 *ref); 38 39 #endif 40