Commit | Line | Data |
---|---|---|
64d1c3a4 FK |
1 | /* |
2 | * Copyright 2018 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 | #ifndef __KFD_IOMMU_H__ | |
24 | #define __KFD_IOMMU_H__ | |
25 | ||
26 | #if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) | |
27 | ||
28 | #define KFD_SUPPORT_IOMMU_V2 | |
29 | ||
30 | int kfd_iommu_check_device(struct kfd_dev *kfd); | |
31 | int kfd_iommu_device_init(struct kfd_dev *kfd); | |
32 | ||
33 | int kfd_iommu_bind_process_to_device(struct kfd_process_device *pdd); | |
34 | void kfd_iommu_unbind_process(struct kfd_process *p); | |
35 | ||
36 | void kfd_iommu_suspend(struct kfd_dev *kfd); | |
37 | int kfd_iommu_resume(struct kfd_dev *kfd); | |
38 | ||
39 | int kfd_iommu_add_perf_counters(struct kfd_topology_device *kdev); | |
40 | ||
41 | #else | |
42 | ||
43 | static inline int kfd_iommu_check_device(struct kfd_dev *kfd) | |
44 | { | |
45 | return -ENODEV; | |
46 | } | |
47 | static inline int kfd_iommu_device_init(struct kfd_dev *kfd) | |
48 | { | |
49 | return 0; | |
50 | } | |
51 | ||
52 | static inline int kfd_iommu_bind_process_to_device( | |
53 | struct kfd_process_device *pdd) | |
54 | { | |
55 | return 0; | |
56 | } | |
57 | static inline void kfd_iommu_unbind_process(struct kfd_process *p) | |
58 | { | |
59 | /* empty */ | |
60 | } | |
61 | ||
62 | static inline void kfd_iommu_suspend(struct kfd_dev *kfd) | |
63 | { | |
64 | /* empty */ | |
65 | } | |
66 | static inline int kfd_iommu_resume(struct kfd_dev *kfd) | |
67 | { | |
68 | return 0; | |
69 | } | |
70 | ||
71 | static inline int kfd_iommu_add_perf_counters(struct kfd_topology_device *kdev) | |
72 | { | |
73 | return 0; | |
74 | } | |
75 | ||
76 | #endif /* defined(CONFIG_AMD_IOMMU_V2) */ | |
77 | ||
78 | #endif /* __KFD_IOMMU_H__ */ |