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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_SA_H_
6#define _XE_SA_H_
7
8#include <linux/sizes.h>
9#include <linux/types.h>
10#include "xe_sa_types.h"
11
12struct dma_fence;
13struct xe_tile;
14
15struct xe_sa_manager *__xe_sa_bo_manager_init(struct xe_tile *tile, u32 size, u32 guard, u32 align);
16struct drm_suballoc *__xe_sa_bo_new(struct xe_sa_manager *sa_manager, u32 size, gfp_t gfp);
17
18static inline struct xe_sa_manager *xe_sa_bo_manager_init(struct xe_tile *tile, u32 size, u32 align)
19{
20 return __xe_sa_bo_manager_init(tile, size, SZ_4K, align);
21}
22
23/**
24 * xe_sa_bo_new() - Make a suballocation.
25 * @sa_manager: the &xe_sa_manager
26 * @size: number of bytes we want to suballocate
27 *
28 * Try to make a suballocation of size @size.
29 *
30 * Return: a &drm_suballoc, or an ERR_PTR.
31 */
32static inline struct drm_suballoc *xe_sa_bo_new(struct xe_sa_manager *sa_manager, u32 size)
33{
34 return __xe_sa_bo_new(sa_manager, size, GFP_KERNEL);
35}
36
37void xe_sa_bo_flush_write(struct drm_suballoc *sa_bo);
38void xe_sa_bo_free(struct drm_suballoc *sa_bo, struct dma_fence *fence);
39
40static inline struct xe_sa_manager *
41to_xe_sa_manager(struct drm_suballoc_manager *mng)
42{
43 return container_of(mng, struct xe_sa_manager, base);
44}
45
46static inline u64 xe_sa_bo_gpu_addr(struct drm_suballoc *sa)
47{
48 return to_xe_sa_manager(sa->manager)->gpu_addr +
49 drm_suballoc_soffset(sa);
50}
51
52static inline void *xe_sa_bo_cpu_addr(struct drm_suballoc *sa)
53{
54 return to_xe_sa_manager(sa->manager)->cpu_ptr +
55 drm_suballoc_soffset(sa);
56}
57
58#endif