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b7facbae 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 | #ifndef KFD_IOCTL_H_INCLUDED | |
24 | #define KFD_IOCTL_H_INCLUDED | |
25 | ||
26 | #include <linux/types.h> | |
27 | #include <linux/ioctl.h> | |
28 | ||
29 | #define KFD_IOCTL_MAJOR_VERSION 1 | |
30 | #define KFD_IOCTL_MINOR_VERSION 0 | |
31 | ||
32 | struct kfd_ioctl_get_version_args { | |
33 | uint32_t major_version; /* from KFD */ | |
34 | uint32_t minor_version; /* from KFD */ | |
35 | }; | |
36 | ||
37 | /* For kfd_ioctl_create_queue_args.queue_type. */ | |
38 | #define KFD_IOC_QUEUE_TYPE_COMPUTE 0 | |
39 | #define KFD_IOC_QUEUE_TYPE_SDMA 1 | |
40 | #define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 2 | |
41 | ||
42 | #define KFD_MAX_QUEUE_PERCENTAGE 100 | |
43 | #define KFD_MAX_QUEUE_PRIORITY 15 | |
44 | ||
45 | struct kfd_ioctl_create_queue_args { | |
46 | uint64_t ring_base_address; /* to KFD */ | |
47 | uint64_t write_pointer_address; /* from KFD */ | |
48 | uint64_t read_pointer_address; /* from KFD */ | |
49 | uint64_t doorbell_offset; /* from KFD */ | |
50 | ||
51 | uint32_t ring_size; /* to KFD */ | |
52 | uint32_t gpu_id; /* to KFD */ | |
53 | uint32_t queue_type; /* to KFD */ | |
54 | uint32_t queue_percentage; /* to KFD */ | |
55 | uint32_t queue_priority; /* to KFD */ | |
56 | uint32_t queue_id; /* from KFD */ | |
57 | ||
58 | uint64_t eop_buffer_address; /* to KFD */ | |
59 | uint64_t eop_buffer_size; /* to KFD */ | |
60 | uint64_t ctx_save_restore_address; /* to KFD */ | |
61 | uint64_t ctx_save_restore_size; /* to KFD */ | |
62 | }; | |
63 | ||
64 | struct kfd_ioctl_destroy_queue_args { | |
65 | uint32_t queue_id; /* to KFD */ | |
66 | uint32_t pad; | |
67 | }; | |
68 | ||
69 | struct kfd_ioctl_update_queue_args { | |
70 | uint64_t ring_base_address; /* to KFD */ | |
71 | ||
72 | uint32_t queue_id; /* to KFD */ | |
73 | uint32_t ring_size; /* to KFD */ | |
74 | uint32_t queue_percentage; /* to KFD */ | |
75 | uint32_t queue_priority; /* to KFD */ | |
76 | }; | |
77 | ||
78 | /* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */ | |
79 | #define KFD_IOC_CACHE_POLICY_COHERENT 0 | |
80 | #define KFD_IOC_CACHE_POLICY_NONCOHERENT 1 | |
81 | ||
82 | struct kfd_ioctl_set_memory_policy_args { | |
83 | uint64_t alternate_aperture_base; /* to KFD */ | |
84 | uint64_t alternate_aperture_size; /* to KFD */ | |
85 | ||
86 | uint32_t gpu_id; /* to KFD */ | |
87 | uint32_t default_policy; /* to KFD */ | |
88 | uint32_t alternate_policy; /* to KFD */ | |
89 | uint32_t pad; | |
90 | }; | |
91 | ||
92 | /* | |
93 | * All counters are monotonic. They are used for profiling of compute jobs. | |
94 | * The profiling is done by userspace. | |
95 | * | |
96 | * In case of GPU reset, the counter should not be affected. | |
97 | */ | |
98 | ||
99 | struct kfd_ioctl_get_clock_counters_args { | |
100 | uint64_t gpu_clock_counter; /* from KFD */ | |
101 | uint64_t cpu_clock_counter; /* from KFD */ | |
102 | uint64_t system_clock_counter; /* from KFD */ | |
103 | uint64_t system_clock_freq; /* from KFD */ | |
104 | ||
105 | uint32_t gpu_id; /* to KFD */ | |
106 | uint32_t pad; | |
107 | }; | |
108 | ||
109 | #define NUM_OF_SUPPORTED_GPUS 7 | |
110 | ||
111 | struct kfd_process_device_apertures { | |
112 | uint64_t lds_base; /* from KFD */ | |
113 | uint64_t lds_limit; /* from KFD */ | |
114 | uint64_t scratch_base; /* from KFD */ | |
115 | uint64_t scratch_limit; /* from KFD */ | |
116 | uint64_t gpuvm_base; /* from KFD */ | |
117 | uint64_t gpuvm_limit; /* from KFD */ | |
118 | uint32_t gpu_id; /* from KFD */ | |
119 | uint32_t pad; | |
120 | }; | |
121 | ||
122 | struct kfd_ioctl_get_process_apertures_args { | |
123 | struct kfd_process_device_apertures | |
124 | process_apertures[NUM_OF_SUPPORTED_GPUS];/* from KFD */ | |
125 | ||
126 | /* from KFD, should be in the range [1 - NUM_OF_SUPPORTED_GPUS] */ | |
127 | uint32_t num_of_nodes; | |
128 | uint32_t pad; | |
129 | }; | |
130 | ||
b81c55db OG |
131 | #define AMDKFD_IOCTL_BASE 'K' |
132 | #define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr) | |
133 | #define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type) | |
134 | #define AMDKFD_IOW(nr, type) _IOW(AMDKFD_IOCTL_BASE, nr, type) | |
135 | #define AMDKFD_IOWR(nr, type) _IOWR(AMDKFD_IOCTL_BASE, nr, type) | |
b7facbae | 136 | |
b81c55db OG |
137 | #define AMDKFD_IOC_GET_VERSION \ |
138 | AMDKFD_IOR(0x01, struct kfd_ioctl_get_version_args) | |
b7facbae | 139 | |
b81c55db OG |
140 | #define AMDKFD_IOC_CREATE_QUEUE \ |
141 | AMDKFD_IOWR(0x02, struct kfd_ioctl_create_queue_args) | |
b7facbae | 142 | |
b81c55db OG |
143 | #define AMDKFD_IOC_DESTROY_QUEUE \ |
144 | AMDKFD_IOWR(0x03, struct kfd_ioctl_destroy_queue_args) | |
b7facbae | 145 | |
b81c55db OG |
146 | #define AMDKFD_IOC_SET_MEMORY_POLICY \ |
147 | AMDKFD_IOW(0x04, struct kfd_ioctl_set_memory_policy_args) | |
b7facbae | 148 | |
b81c55db OG |
149 | #define AMDKFD_IOC_GET_CLOCK_COUNTERS \ |
150 | AMDKFD_IOWR(0x05, struct kfd_ioctl_get_clock_counters_args) | |
b7facbae | 151 | |
b81c55db OG |
152 | #define AMDKFD_IOC_GET_PROCESS_APERTURES \ |
153 | AMDKFD_IOR(0x06, struct kfd_ioctl_get_process_apertures_args) | |
b7facbae | 154 | |
b81c55db OG |
155 | #define AMDKFD_IOC_UPDATE_QUEUE \ |
156 | AMDKFD_IOW(0x07, struct kfd_ioctl_update_queue_args) | |
157 | ||
158 | #define AMDKFD_COMMAND_START 0x01 | |
159 | #define AMDKFD_COMMAND_END 0x08 | |
b7facbae OG |
160 | |
161 | #endif |