1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2020-2023 Intel Corporation
6 #ifndef __IVPU_MMU_CONTEXT_H__
7 #define __IVPU_MMU_CONTEXT_H__
9 #include <drm/drm_mm.h>
12 struct ivpu_file_priv;
13 struct ivpu_addr_range;
15 #define IVPU_MMU_PGTABLE_ENTRIES 512ull
17 struct ivpu_mmu_pgtable {
18 u64 ***pte_ptrs[IVPU_MMU_PGTABLE_ENTRIES];
19 u64 **pmd_ptrs[IVPU_MMU_PGTABLE_ENTRIES];
20 u64 *pud_ptrs[IVPU_MMU_PGTABLE_ENTRIES];
25 struct ivpu_mmu_context {
26 struct mutex lock; /* protects: mm, pgtable, bo_list */
28 struct ivpu_mmu_pgtable pgtable;
29 struct list_head bo_list;
33 int ivpu_mmu_global_context_init(struct ivpu_device *vdev);
34 void ivpu_mmu_global_context_fini(struct ivpu_device *vdev);
36 int ivpu_mmu_user_context_init(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, u32 ctx_id);
37 void ivpu_mmu_user_context_fini(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx);
38 void ivpu_mmu_user_context_mark_invalid(struct ivpu_device *vdev, u32 ssid);
40 int ivpu_mmu_context_insert_node_locked(struct ivpu_mmu_context *ctx,
41 const struct ivpu_addr_range *range,
42 u64 size, struct drm_mm_node *node);
43 void ivpu_mmu_context_remove_node_locked(struct ivpu_mmu_context *ctx,
44 struct drm_mm_node *node);
46 int ivpu_mmu_context_map_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
47 u64 vpu_addr, struct sg_table *sgt, bool llc_coherent);
48 void ivpu_mmu_context_unmap_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
49 u64 vpu_addr, struct sg_table *sgt);
51 #endif /* __IVPU_MMU_CONTEXT_H__ */