63 lines
2.2 KiB
C
63 lines
2.2 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_REGION = 0,
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TRUSTED_MEM_REQ_PROT_REGION = 1,
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TRUSTED_MEM_REQ_WFD_REGION = 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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TRUSTED_MEM_REQ_TUI_REGION = 8,
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TRUSTED_MEM_REQ_SVP_PAGE = 9,
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TRUSTED_MEM_REQ_PROT_PAGE = 10,
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TRUSTED_MEM_REQ_WFD_PAGE = 11,
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TRUSTED_MEM_REQ_SAPU_DATA_SHM = 12,
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TRUSTED_MEM_REQ_SAPU_ENGINE_SHM = 13,
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TRUSTED_MEM_REQ_AP_MD_SHM = 14,
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TRUSTED_MEM_REQ_AP_SCP_SHM = 15,
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};
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struct ssheap_buf_info {
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struct sg_table *table;
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unsigned long alignment;
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struct list_head block_list;
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unsigned long req_size;
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unsigned long aligned_req_size;
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unsigned long allocated_size;
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unsigned long elems;
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struct page *pmm_msg_page;
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u8 mem_type;
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u64 ffa_handle;
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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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#if IS_ENABLED(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, u64 *sec_handle,
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uint8_t *owner, uint32_t id, struct ssheap_buf_info **buf_info);
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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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u64 *sec_handle, uint8_t *owner, uint32_t id);
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int trusted_mem_api_unref(enum TRUSTED_MEM_REQ_TYPE mem_type, u64 sec_handle,
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uint8_t *owner, uint32_t id, struct ssheap_buf_info *buf_info);
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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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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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enum TRUSTED_MEM_REQ_TYPE trusted_mem_api_get_page_replace(
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enum TRUSTED_MEM_REQ_TYPE mem_type);
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int trusted_mem_ffa_query_pa(u64 *handle, uint64_t *phy_addr);
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#endif
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#endif /* end of TRUSTED_MEM_API_H */
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