41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef TRUSTED_MEM_API_H
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#define TRUSTED_MEM_API_H
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enum TRUSTED_MEM_REQ_TYPE {
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TRUSTED_MEM_REQ_SVP = 0,
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TRUSTED_MEM_REQ_PROT = 1,
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TRUSTED_MEM_REQ_WFD = 2,
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TRUSTED_MEM_REQ_HAPP = 3,
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TRUSTED_MEM_REQ_HAPP_EXTRA = 4,
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TRUSTED_MEM_REQ_SDSP = 5,
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TRUSTED_MEM_REQ_SDSP_SHARED = 6,
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TRUSTED_MEM_REQ_2D_FR = 7,
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};
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/**********************************************************/
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/**** Trusted Memory Common APIs for ION kernel driver ****/
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/**********************************************************/
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#ifdef CONFIG_MTK_TRUSTED_MEMORY_SUBSYSTEM
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int trusted_mem_api_alloc(enum TRUSTED_MEM_REQ_TYPE mem_type, u32 alignment,
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u32 size, u32 *refcount, u32 *sec_handle,
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uint8_t *owner, uint32_t id);
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int trusted_mem_api_alloc_zero(enum TRUSTED_MEM_REQ_TYPE mem_type,
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u32 alignment, u32 size, u32 *refcount,
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u32 *sec_handle, uint8_t *owner, uint32_t id);
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int trusted_mem_api_unref(enum TRUSTED_MEM_REQ_TYPE mem_type, u32 sec_handle,
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uint8_t *owner, uint32_t id);
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bool trusted_mem_api_get_region_info(enum TRUSTED_MEM_REQ_TYPE mem_type,
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u64 *pa, u32 *size);
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int trusted_mem_api_query_pa(enum TRUSTED_MEM_REQ_TYPE mem_type, u32 alignment,
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u32 size, u32 *refcount, u32 *gz_handle,
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u8 *owner, u32 id, u32 clean, uint64_t *phy_addr);
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#endif
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#endif /* end of TRUSTED_MEM_API_H */
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