Commit | Line | Data |
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f6ffbd4f | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
a8c21a54 | 2 | /* |
f6ffbd4f | 3 | * Copyright (C) 2015-2018 Etnaviv Project |
a8c21a54 T |
4 | */ |
5 | ||
6 | #ifndef __ETNAVIV_GEM_H__ | |
7 | #define __ETNAVIV_GEM_H__ | |
8 | ||
52791eee | 9 | #include <linux/dma-resv.h> |
2f9225db | 10 | #include "etnaviv_cmdbuf.h" |
a8c21a54 T |
11 | #include "etnaviv_drv.h" |
12 | ||
6e2b98cf | 13 | struct dma_fence; |
a8c21a54 T |
14 | struct etnaviv_gem_ops; |
15 | struct etnaviv_gem_object; | |
16 | ||
17 | struct etnaviv_gem_userptr { | |
18 | uintptr_t ptr; | |
b2295c24 | 19 | struct mm_struct *mm; |
a8c21a54 T |
20 | bool ro; |
21 | }; | |
22 | ||
23 | struct etnaviv_vram_mapping { | |
24 | struct list_head obj_node; | |
25 | struct list_head scan_node; | |
26 | struct list_head mmu_node; | |
27 | struct etnaviv_gem_object *object; | |
27b67278 | 28 | struct etnaviv_iommu_context *context; |
a8c21a54 T |
29 | struct drm_mm_node vram_node; |
30 | unsigned int use; | |
31 | u32 iova; | |
32 | }; | |
33 | ||
34 | struct etnaviv_gem_object { | |
35 | struct drm_gem_object base; | |
36 | const struct etnaviv_gem_ops *ops; | |
37 | struct mutex lock; | |
38 | ||
39 | u32 flags; | |
40 | ||
41 | struct list_head gem_node; | |
42 | struct etnaviv_gpu *gpu; /* non-null if active */ | |
43 | atomic_t gpu_active; | |
44 | u32 access; | |
45 | ||
46 | struct page **pages; | |
47 | struct sg_table *sgt; | |
48 | void *vaddr; | |
49 | ||
a8c21a54 T |
50 | struct list_head vram_list; |
51 | ||
52 | /* cache maintenance */ | |
53 | u32 last_cpu_prep_op; | |
54 | ||
55 | struct etnaviv_gem_userptr userptr; | |
56 | }; | |
57 | ||
58 | static inline | |
59 | struct etnaviv_gem_object *to_etnaviv_bo(struct drm_gem_object *obj) | |
60 | { | |
61 | return container_of(obj, struct etnaviv_gem_object, base); | |
62 | } | |
63 | ||
64 | struct etnaviv_gem_ops { | |
65 | int (*get_pages)(struct etnaviv_gem_object *); | |
66 | void (*release)(struct etnaviv_gem_object *); | |
a0a5ab3e | 67 | void *(*vmap)(struct etnaviv_gem_object *); |
a10e2bde | 68 | int (*mmap)(struct etnaviv_gem_object *, struct vm_area_struct *); |
a8c21a54 T |
69 | }; |
70 | ||
71 | static inline bool is_active(struct etnaviv_gem_object *etnaviv_obj) | |
72 | { | |
73 | return atomic_read(&etnaviv_obj->gpu_active) != 0; | |
74 | } | |
75 | ||
76 | #define MAX_CMDS 4 | |
77 | ||
8779aa8f RK |
78 | struct etnaviv_gem_submit_bo { |
79 | u32 flags; | |
088880dd | 80 | u64 va; |
8779aa8f RK |
81 | struct etnaviv_gem_object *obj; |
82 | struct etnaviv_vram_mapping *mapping; | |
83 | }; | |
84 | ||
a8c21a54 T |
85 | /* Created per submit-ioctl, to track bo's and cmdstream bufs, etc, |
86 | * associated with the cmdstream submission for synchronization (and | |
ef146c00 | 87 | * make it easier to unwind when things go wrong, etc). |
a8c21a54 T |
88 | */ |
89 | struct etnaviv_gem_submit { | |
e93b6dee | 90 | struct drm_sched_job sched_job; |
e0329e6c | 91 | struct kref refcount; |
72ac64b8 | 92 | struct etnaviv_file_private *ctx; |
a8c21a54 | 93 | struct etnaviv_gpu *gpu; |
17e4660a | 94 | struct etnaviv_iommu_context *mmu_context, *prev_mmu_context; |
b827c84f | 95 | struct dma_fence *out_fence; |
8bc4d885 | 96 | int out_fence_id; |
2f9225db LS |
97 | struct list_head node; /* GPU active submit list */ |
98 | struct etnaviv_cmdbuf cmdbuf; | |
f51d753f | 99 | struct pid *pid; /* submitting process */ |
797b0159 | 100 | u32 exec_state; |
f4a4381b | 101 | u32 flags; |
ef146c00 LS |
102 | unsigned int nr_pmrs; |
103 | struct etnaviv_perfmon_request *pmrs; | |
a8c21a54 | 104 | unsigned int nr_bos; |
1442d81f | 105 | struct etnaviv_gem_submit_bo bos[]; |
f4a4381b | 106 | /* No new members here, the previous one is variable-length! */ |
a8c21a54 T |
107 | }; |
108 | ||
e0329e6c LS |
109 | void etnaviv_submit_put(struct etnaviv_gem_submit * submit); |
110 | ||
a8c21a54 | 111 | int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, |
38c4a4cf | 112 | struct drm_etnaviv_timespec *timeout); |
a8c21a54 | 113 | int etnaviv_gem_new_private(struct drm_device *dev, size_t size, u32 flags, |
c6be8086 | 114 | const struct etnaviv_gem_ops *ops, struct etnaviv_gem_object **res); |
54f09288 | 115 | void etnaviv_gem_obj_add(struct drm_device *dev, struct drm_gem_object *obj); |
a8c21a54 T |
116 | struct page **etnaviv_gem_get_pages(struct etnaviv_gem_object *obj); |
117 | void etnaviv_gem_put_pages(struct etnaviv_gem_object *obj); | |
118 | ||
b6325f40 | 119 | struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( |
17eae23b LS |
120 | struct drm_gem_object *obj, struct etnaviv_iommu_context *mmu_context, |
121 | u64 va); | |
b6325f40 RK |
122 | void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping); |
123 | ||
a8c21a54 | 124 | #endif /* __ETNAVIV_GEM_H__ */ |