tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 drm_exec;
14struct xe_bo;
15struct xe_device;
16struct xe_exec_queue;
17struct xe_svm_range;
18struct xe_sync_entry;
19struct xe_tile;
20struct xe_vm;
21struct xe_vma;
22struct xe_vma_ops;
23
24/* Largest huge pte is currently 1GiB. May become device dependent. */
25#define MAX_HUGEPTE_LEVEL 2
26
27#define xe_pt_write(xe, map, idx, data) \
28 xe_map_wr(xe, map, (idx) * sizeof(u64), u64, data)
29
30unsigned int xe_pt_shift(unsigned int level);
31
32struct xe_pt *xe_pt_create(struct xe_vm *vm, struct xe_tile *tile,
33 unsigned int level, struct drm_exec *exec);
34
35void xe_pt_populate_empty(struct xe_tile *tile, struct xe_vm *vm,
36 struct xe_pt *pt);
37
38void xe_pt_destroy(struct xe_pt *pt, u32 flags, struct llist_head *deferred);
39
40void xe_pt_clear(struct xe_device *xe, struct xe_pt *pt);
41
42int xe_pt_update_ops_prepare(struct xe_tile *tile, struct xe_vma_ops *vops);
43struct dma_fence *xe_pt_update_ops_run(struct xe_tile *tile,
44 struct xe_vma_ops *vops);
45void xe_pt_update_ops_fini(struct xe_tile *tile, struct xe_vma_ops *vops);
46void xe_pt_update_ops_abort(struct xe_tile *tile, struct xe_vma_ops *vops);
47
48bool xe_pt_zap_ptes(struct xe_tile *tile, struct xe_vma *vma);
49bool xe_pt_zap_ptes_range(struct xe_tile *tile, struct xe_vm *vm,
50 struct xe_svm_range *range);
51
52#endif