Commit | Line | Data |
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130e0371 OG |
1 | /* |
2 | * Copyright 2014 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | /* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */ | |
24 | ||
25 | #ifndef AMDGPU_AMDKFD_H_INCLUDED | |
26 | #define AMDGPU_AMDKFD_H_INCLUDED | |
27 | ||
28 | #include <linux/types.h> | |
7420f482 | 29 | #include <linux/mm.h> |
5ae0283e | 30 | #include <linux/workqueue.h> |
130e0371 | 31 | #include <kgd_kfd_interface.h> |
a46a2cd1 FK |
32 | #include <drm/ttm/ttm_execbuf_util.h> |
33 | #include "amdgpu_sync.h" | |
34 | #include "amdgpu_vm.h" | |
130e0371 | 35 | |
d8d019cc FK |
36 | extern const struct kgd2kfd_calls *kgd2kfd; |
37 | ||
130e0371 OG |
38 | struct amdgpu_device; |
39 | ||
a46a2cd1 FK |
40 | struct kfd_bo_va_list { |
41 | struct list_head bo_list; | |
42 | struct amdgpu_bo_va *bo_va; | |
43 | void *kgd_dev; | |
44 | bool is_mapped; | |
45 | uint64_t va; | |
46 | uint64_t pte_flags; | |
47 | }; | |
48 | ||
130e0371 | 49 | struct kgd_mem { |
a46a2cd1 | 50 | struct mutex lock; |
130e0371 | 51 | struct amdgpu_bo *bo; |
a46a2cd1 FK |
52 | struct list_head bo_va_list; |
53 | /* protected by amdkfd_process_info.lock */ | |
54 | struct ttm_validate_buffer validate_list; | |
55 | struct ttm_validate_buffer resv_list; | |
56 | uint32_t domain; | |
57 | unsigned int mapped_to_gpu_memory; | |
58 | uint64_t va; | |
59 | ||
60 | uint32_t mapping_flags; | |
61 | ||
5ae0283e | 62 | atomic_t invalid; |
a46a2cd1 | 63 | struct amdkfd_process_info *process_info; |
5ae0283e | 64 | struct page **user_pages; |
a46a2cd1 FK |
65 | |
66 | struct amdgpu_sync sync; | |
67 | ||
68 | bool aql_queue; | |
130e0371 OG |
69 | }; |
70 | ||
d8d019cc FK |
71 | /* KFD Memory Eviction */ |
72 | struct amdgpu_amdkfd_fence { | |
73 | struct dma_fence base; | |
74 | struct mm_struct *mm; | |
75 | spinlock_t lock; | |
76 | char timeline_name[TASK_COMM_LEN]; | |
77 | }; | |
78 | ||
79 | struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context, | |
80 | struct mm_struct *mm); | |
81 | bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm); | |
82 | struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f); | |
83 | ||
a46a2cd1 FK |
84 | struct amdkfd_process_info { |
85 | /* List head of all VMs that belong to a KFD process */ | |
86 | struct list_head vm_list_head; | |
87 | /* List head for all KFD BOs that belong to a KFD process. */ | |
88 | struct list_head kfd_bo_list; | |
5ae0283e FK |
89 | /* List of userptr BOs that are valid or invalid */ |
90 | struct list_head userptr_valid_list; | |
91 | struct list_head userptr_inval_list; | |
a46a2cd1 FK |
92 | /* Lock to protect kfd_bo_list */ |
93 | struct mutex lock; | |
94 | ||
95 | /* Number of VMs */ | |
96 | unsigned int n_vms; | |
97 | /* Eviction Fence */ | |
98 | struct amdgpu_amdkfd_fence *eviction_fence; | |
5ae0283e FK |
99 | |
100 | /* MMU-notifier related fields */ | |
101 | atomic_t evicted_bos; | |
102 | struct delayed_work restore_userptr_work; | |
103 | struct pid *pid; | |
a46a2cd1 FK |
104 | }; |
105 | ||
efb1c658 | 106 | int amdgpu_amdkfd_init(void); |
130e0371 OG |
107 | void amdgpu_amdkfd_fini(void); |
108 | ||
dc102c43 AR |
109 | void amdgpu_amdkfd_suspend(struct amdgpu_device *adev); |
110 | int amdgpu_amdkfd_resume(struct amdgpu_device *adev); | |
111 | void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, | |
130e0371 | 112 | const void *ih_ring_entry); |
dc102c43 AR |
113 | void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev); |
114 | void amdgpu_amdkfd_device_init(struct amdgpu_device *adev); | |
115 | void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev); | |
130e0371 | 116 | |
e52482de | 117 | int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm); |
4c660c8f FK |
118 | int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine, |
119 | uint32_t vmid, uint64_t gpu_addr, | |
120 | uint32_t *ib_cmd, uint32_t ib_len); | |
01c097db | 121 | void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle); |
4c660c8f | 122 | |
130e0371 | 123 | struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void); |
ff758a12 | 124 | struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void); |
d5a114a6 | 125 | struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void); |
130e0371 | 126 | |
155494db FK |
127 | bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid); |
128 | ||
5c6dd71e SL |
129 | int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev); |
130 | ||
131 | int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev); | |
132 | ||
24da5a9c SL |
133 | void amdgpu_amdkfd_gpu_reset(struct kgd_dev *kgd); |
134 | ||
130e0371 | 135 | /* Shared API */ |
7cd52c91 AL |
136 | int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size, |
137 | void **mem_obj, uint64_t *gpu_addr, | |
138 | void **cpu_ptr, bool mqd_gfx9); | |
139 | void amdgpu_amdkfd_free_gtt_mem(struct kgd_dev *kgd, void *mem_obj); | |
140 | void amdgpu_amdkfd_get_local_mem_info(struct kgd_dev *kgd, | |
141 | struct kfd_local_mem_info *mem_info); | |
142 | uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct kgd_dev *kgd); | |
143 | ||
144 | uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct kgd_dev *kgd); | |
145 | void amdgpu_amdkfd_get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info); | |
9f0a0b41 | 146 | uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd); |
db8b62c0 | 147 | uint64_t amdgpu_amdkfd_get_hive_id(struct kgd_dev *kgd); |
130e0371 | 148 | |
70539bd7 FK |
149 | #define read_user_wptr(mmptr, wptr, dst) \ |
150 | ({ \ | |
151 | bool valid = false; \ | |
152 | if ((mmptr) && (wptr)) { \ | |
153 | if ((mmptr) == current->mm) { \ | |
154 | valid = !get_user((dst), (wptr)); \ | |
155 | } else if (current->mm == NULL) { \ | |
156 | use_mm(mmptr); \ | |
157 | valid = !get_user((dst), (wptr)); \ | |
158 | unuse_mm(mmptr); \ | |
159 | } \ | |
160 | } \ | |
161 | valid; \ | |
162 | }) | |
163 | ||
a46a2cd1 | 164 | /* GPUVM API */ |
1685b01a OZ |
165 | int amdgpu_amdkfd_gpuvm_create_process_vm(struct kgd_dev *kgd, unsigned int pasid, |
166 | void **vm, void **process_info, | |
fcdfa432 | 167 | struct dma_fence **ef); |
ede0dd86 | 168 | int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd, |
1685b01a | 169 | struct file *filp, unsigned int pasid, |
fcdfa432 OG |
170 | void **vm, void **process_info, |
171 | struct dma_fence **ef); | |
ede0dd86 | 172 | void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev, |
fcdfa432 | 173 | struct amdgpu_vm *vm); |
a46a2cd1 | 174 | void amdgpu_amdkfd_gpuvm_destroy_process_vm(struct kgd_dev *kgd, void *vm); |
bf47afba | 175 | void amdgpu_amdkfd_gpuvm_release_process_vm(struct kgd_dev *kgd, void *vm); |
e715c6d0 | 176 | uint64_t amdgpu_amdkfd_gpuvm_get_process_page_dir(void *vm); |
a46a2cd1 FK |
177 | int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( |
178 | struct kgd_dev *kgd, uint64_t va, uint64_t size, | |
179 | void *vm, struct kgd_mem **mem, | |
180 | uint64_t *offset, uint32_t flags); | |
181 | int amdgpu_amdkfd_gpuvm_free_memory_of_gpu( | |
182 | struct kgd_dev *kgd, struct kgd_mem *mem); | |
183 | int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( | |
184 | struct kgd_dev *kgd, struct kgd_mem *mem, void *vm); | |
185 | int amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu( | |
186 | struct kgd_dev *kgd, struct kgd_mem *mem, void *vm); | |
187 | int amdgpu_amdkfd_gpuvm_sync_memory( | |
188 | struct kgd_dev *kgd, struct kgd_mem *mem, bool intr); | |
189 | int amdgpu_amdkfd_gpuvm_map_gtt_bo_to_kernel(struct kgd_dev *kgd, | |
190 | struct kgd_mem *mem, void **kptr, uint64_t *size); | |
191 | int amdgpu_amdkfd_gpuvm_restore_process_bos(void *process_info, | |
192 | struct dma_fence **ef); | |
193 | ||
b97dfa27 | 194 | int amdgpu_amdkfd_gpuvm_get_vm_fault_info(struct kgd_dev *kgd, |
195 | struct kfd_vm_fault_info *info); | |
196 | ||
a46a2cd1 FK |
197 | void amdgpu_amdkfd_gpuvm_init_mem_limits(void); |
198 | void amdgpu_amdkfd_unreserve_system_memory_limit(struct amdgpu_bo *bo); | |
199 | ||
130e0371 | 200 | #endif /* AMDGPU_AMDKFD_H_INCLUDED */ |