51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef __APUSYS_MDW_MEM_H__
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#define __APUSYS_MDW_MEM_H__
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#include "apusys_drv.h"
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#include "apusys_device.h"
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enum {
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APUSYS_MEM_PROP_NONE,
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APUSYS_MEM_PROP_ALLOC,
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APUSYS_MEM_PROP_IMPORT,
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APUSYS_MEM_PROP_MAP,
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APUSYS_MEM_PROP_MAX,
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};
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struct mdw_mem {
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struct apusys_kmem kmem;
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struct list_head m_item; // to mem list
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struct list_head u_item; // to usr list
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};
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int mdw_mem_alloc(struct mdw_mem *m);
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int mdw_mem_free(struct mdw_mem *m);
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int mdw_mem_map(struct mdw_mem *m);
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int mdw_mem_unmap(struct mdw_mem *m);
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int mdw_mem_import(struct mdw_mem *m);
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int mdw_mem_unimport(struct mdw_mem *m);
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int mdw_mem_flush(struct apusys_kmem *km);
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int mdw_mem_invalidate(struct apusys_kmem *km);
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int mdw_mem_map_iova(struct apusys_kmem *km);
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int mdw_mem_map_kva(struct apusys_kmem *km);
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int mdw_mem_unmap_iova(struct apusys_kmem *km);
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int mdw_mem_unmap_kva(struct apusys_kmem *km);
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int mdw_mem_init(void);
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void mdw_mem_exit(void);
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unsigned int mdw_mem_get_support(void);
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void mdw_mem_get_vlm(unsigned int *start, unsigned int *size);
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void mdw_mem_u2k(struct apusys_mem *umem, struct apusys_kmem *kmem);
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void mdw_mem_k2u(struct apusys_kmem *kmem, struct apusys_mem *umem);
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int mdw_mem_create_idr(uint64_t handle, int *id);
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int mdw_mem_u2k_handle(struct apusys_kmem *kmem, struct apusys_mem *umem);
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int mdw_mem_delete_idr(int id);
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#endif
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