These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / amd / amdkfd / kfd_topology.h
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_TOPOLOGY_H__
24 #define __KFD_TOPOLOGY_H__
25
26 #include <linux/types.h>
27 #include <linux/list.h>
28 #include "kfd_priv.h"
29
30 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 128
31
32 #define HSA_CAP_HOT_PLUGGABLE                   0x00000001
33 #define HSA_CAP_ATS_PRESENT                     0x00000002
34 #define HSA_CAP_SHARED_WITH_GRAPHICS            0x00000004
35 #define HSA_CAP_QUEUE_SIZE_POW2                 0x00000008
36 #define HSA_CAP_QUEUE_SIZE_32BIT                0x00000010
37 #define HSA_CAP_QUEUE_IDLE_EVENT                0x00000020
38 #define HSA_CAP_VA_LIMIT                        0x00000040
39 #define HSA_CAP_WATCH_POINTS_SUPPORTED          0x00000080
40 #define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK     0x00000f00
41 #define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT    8
42 #define HSA_CAP_RESERVED                        0xfffff000
43 #define HSA_CAP_DOORBELL_PACKET_TYPE            0x00001000
44
45 struct kfd_node_properties {
46         uint32_t cpu_cores_count;
47         uint32_t simd_count;
48         uint32_t mem_banks_count;
49         uint32_t caches_count;
50         uint32_t io_links_count;
51         uint32_t cpu_core_id_base;
52         uint32_t simd_id_base;
53         uint32_t capability;
54         uint32_t max_waves_per_simd;
55         uint32_t lds_size_in_kb;
56         uint32_t gds_size_in_kb;
57         uint32_t wave_front_size;
58         uint32_t array_count;
59         uint32_t simd_arrays_per_engine;
60         uint32_t cu_per_simd_array;
61         uint32_t simd_per_cu;
62         uint32_t max_slots_scratch_cu;
63         uint32_t engine_id;
64         uint32_t vendor_id;
65         uint32_t device_id;
66         uint32_t location_id;
67         uint32_t max_engine_clk_fcompute;
68         uint32_t max_engine_clk_ccompute;
69         uint16_t marketing_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
70 };
71
72 #define HSA_MEM_HEAP_TYPE_SYSTEM        0
73 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC     1
74 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE    2
75 #define HSA_MEM_HEAP_TYPE_GPU_GDS       3
76 #define HSA_MEM_HEAP_TYPE_GPU_LDS       4
77 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH   5
78
79 #define HSA_MEM_FLAGS_HOT_PLUGGABLE     0x00000001
80 #define HSA_MEM_FLAGS_NON_VOLATILE      0x00000002
81 #define HSA_MEM_FLAGS_RESERVED          0xfffffffc
82
83 struct kfd_mem_properties {
84         struct list_head        list;
85         uint32_t                heap_type;
86         uint64_t                size_in_bytes;
87         uint32_t                flags;
88         uint32_t                width;
89         uint32_t                mem_clk_max;
90         struct kobject          *kobj;
91         struct attribute        attr;
92 };
93
94 #define KFD_TOPOLOGY_CPU_SIBLINGS 256
95
96 #define HSA_CACHE_TYPE_DATA             0x00000001
97 #define HSA_CACHE_TYPE_INSTRUCTION      0x00000002
98 #define HSA_CACHE_TYPE_CPU              0x00000004
99 #define HSA_CACHE_TYPE_HSACU            0x00000008
100 #define HSA_CACHE_TYPE_RESERVED         0xfffffff0
101
102 struct kfd_cache_properties {
103         struct list_head        list;
104         uint32_t                processor_id_low;
105         uint32_t                cache_level;
106         uint32_t                cache_size;
107         uint32_t                cacheline_size;
108         uint32_t                cachelines_per_tag;
109         uint32_t                cache_assoc;
110         uint32_t                cache_latency;
111         uint32_t                cache_type;
112         uint8_t                 sibling_map[KFD_TOPOLOGY_CPU_SIBLINGS];
113         struct kobject          *kobj;
114         struct attribute        attr;
115 };
116
117 struct kfd_iolink_properties {
118         struct list_head        list;
119         uint32_t                iolink_type;
120         uint32_t                ver_maj;
121         uint32_t                ver_min;
122         uint32_t                node_from;
123         uint32_t                node_to;
124         uint32_t                weight;
125         uint32_t                min_latency;
126         uint32_t                max_latency;
127         uint32_t                min_bandwidth;
128         uint32_t                max_bandwidth;
129         uint32_t                rec_transfer_size;
130         uint32_t                flags;
131         struct kobject          *kobj;
132         struct attribute        attr;
133 };
134
135 struct kfd_topology_device {
136         struct list_head                list;
137         uint32_t                        gpu_id;
138         struct kfd_node_properties      node_props;
139         uint32_t                        mem_bank_count;
140         struct list_head                mem_props;
141         uint32_t                        cache_count;
142         struct list_head                cache_props;
143         uint32_t                        io_link_count;
144         struct list_head                io_link_props;
145         struct kfd_dev                  *gpu;
146         struct kobject                  *kobj_node;
147         struct kobject                  *kobj_mem;
148         struct kobject                  *kobj_cache;
149         struct kobject                  *kobj_iolink;
150         struct attribute                attr_gpuid;
151         struct attribute                attr_name;
152         struct attribute                attr_props;
153 };
154
155 struct kfd_system_properties {
156         uint32_t                num_devices;     /* Number of H-NUMA nodes */
157         uint32_t                generation_count;
158         uint64_t                platform_oem;
159         uint64_t                platform_id;
160         uint64_t                platform_rev;
161         struct kobject          *kobj_topology;
162         struct kobject          *kobj_nodes;
163         struct attribute        attr_genid;
164         struct attribute        attr_props;
165 };
166
167
168
169 #endif /* __KFD_TOPOLOGY_H__ */