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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2022 Intel Corporation
4 */
5#ifndef _XE_PT_H_
6#define _XE_PT_H_
7
8#include <linux/types.h>
9
10#include "xe_pt_types.h"
11
12struct dma_fence;
13struct xe_bo;
14struct xe_device;
15struct xe_exec_queue;
16struct xe_svm_range;
17struct xe_sync_entry;
18struct xe_tile;
19struct xe_vm;
20struct xe_vma;
21struct xe_vma_ops;
22
23/* Largest huge pte is currently 1GiB. May become device dependent. */
24#define MAX_HUGEPTE_LEVEL 2
25
26#define xe_pt_write(xe, map, idx, data) \
27 xe_map_wr(xe, map, (idx) * sizeof(u64), u64, data)
28
29unsigned int xe_pt_shift(unsigned int level);
30
31struct xe_pt *xe_pt_create(struct xe_vm *vm, struct xe_tile *tile,
32 unsigned int level);
33
34void xe_pt_populate_empty(struct xe_tile *tile, struct xe_vm *vm,
35 struct xe_pt *pt);
36
37void xe_pt_destroy(struct xe_pt *pt, u32 flags, struct llist_head *deferred);
38
39void xe_pt_clear(struct xe_device *xe, struct xe_pt *pt);
40
41int xe_pt_update_ops_prepare(struct xe_tile *tile, struct xe_vma_ops *vops);
42struct dma_fence *xe_pt_update_ops_run(struct xe_tile *tile,
43 struct xe_vma_ops *vops);
44void xe_pt_update_ops_fini(struct xe_tile *tile, struct xe_vma_ops *vops);
45void xe_pt_update_ops_abort(struct xe_tile *tile, struct xe_vma_ops *vops);
46
47bool xe_pt_zap_ptes(struct xe_tile *tile, struct xe_vma *vma);
48bool xe_pt_zap_ptes_range(struct xe_tile *tile, struct xe_vm *vm,
49 struct xe_svm_range *range);
50
51#endif