Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
2/*
3 * Copyright 2021 Advanced Micro Devices, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef KFD_SYSFS_H_INCLUDED
25#define KFD_SYSFS_H_INCLUDED
26
27/* Capability bits in node properties */
28#define HSA_CAP_HOT_PLUGGABLE 0x00000001
29#define HSA_CAP_ATS_PRESENT 0x00000002
30#define HSA_CAP_SHARED_WITH_GRAPHICS 0x00000004
31#define HSA_CAP_QUEUE_SIZE_POW2 0x00000008
32#define HSA_CAP_QUEUE_SIZE_32BIT 0x00000010
33#define HSA_CAP_QUEUE_IDLE_EVENT 0x00000020
34#define HSA_CAP_VA_LIMIT 0x00000040
35#define HSA_CAP_WATCH_POINTS_SUPPORTED 0x00000080
36#define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK 0x00000f00
37#define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8
38#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK 0x00003000
39#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT 12
40
41#define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0
42#define HSA_CAP_DOORBELL_TYPE_1_0 0x1
43#define HSA_CAP_DOORBELL_TYPE_2_0 0x2
44#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000
45
46#define HSA_CAP_TRAP_DEBUG_SUPPORT 0x00008000
47#define HSA_CAP_TRAP_DEBUG_WAVE_LAUNCH_TRAP_OVERRIDE_SUPPORTED 0x00010000
48#define HSA_CAP_TRAP_DEBUG_WAVE_LAUNCH_MODE_SUPPORTED 0x00020000
49#define HSA_CAP_TRAP_DEBUG_PRECISE_MEMORY_OPERATIONS_SUPPORTED 0x00040000
50
51/* Old buggy user mode depends on this being 0 */
52#define HSA_CAP_RESERVED_WAS_SRAM_EDCSUPPORTED 0x00080000
53
54#define HSA_CAP_MEM_EDCSUPPORTED 0x00100000
55#define HSA_CAP_RASEVENTNOTIFY 0x00200000
56#define HSA_CAP_ASIC_REVISION_MASK 0x03c00000
57#define HSA_CAP_ASIC_REVISION_SHIFT 22
58#define HSA_CAP_SRAM_EDCSUPPORTED 0x04000000
59#define HSA_CAP_SVMAPI_SUPPORTED 0x08000000
60#define HSA_CAP_FLAGS_COHERENTHOSTACCESS 0x10000000
61#define HSA_CAP_TRAP_DEBUG_FIRMWARE_SUPPORTED 0x20000000
62#define HSA_CAP_TRAP_DEBUG_PRECISE_ALU_OPERATIONS_SUPPORTED 0x40000000
63#define HSA_CAP_RESERVED 0x800f8000
64
65/* debug_prop bits in node properties */
66#define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_MASK 0x0000000f
67#define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_SHIFT 0
68#define HSA_DBG_WATCH_ADDR_MASK_HI_BIT_MASK 0x000003f0
69#define HSA_DBG_WATCH_ADDR_MASK_HI_BIT_SHIFT 4
70#define HSA_DBG_DISPATCH_INFO_ALWAYS_VALID 0x00000400
71#define HSA_DBG_WATCHPOINTS_EXCLUSIVE 0x00000800
72#define HSA_DBG_RESERVED 0xfffffffffffff000ull
73
74/* Heap types in memory properties */
75#define HSA_MEM_HEAP_TYPE_SYSTEM 0
76#define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1
77#define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2
78#define HSA_MEM_HEAP_TYPE_GPU_GDS 3
79#define HSA_MEM_HEAP_TYPE_GPU_LDS 4
80#define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5
81
82/* Flag bits in memory properties */
83#define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001
84#define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002
85#define HSA_MEM_FLAGS_RESERVED 0xfffffffc
86
87/* Cache types in cache properties */
88#define HSA_CACHE_TYPE_DATA 0x00000001
89#define HSA_CACHE_TYPE_INSTRUCTION 0x00000002
90#define HSA_CACHE_TYPE_CPU 0x00000004
91#define HSA_CACHE_TYPE_HSACU 0x00000008
92#define HSA_CACHE_TYPE_RESERVED 0xfffffff0
93
94/* Link types in IO link properties (matches CRAT link types) */
95#define HSA_IOLINK_TYPE_UNDEFINED 0
96#define HSA_IOLINK_TYPE_HYPERTRANSPORT 1
97#define HSA_IOLINK_TYPE_PCIEXPRESS 2
98#define HSA_IOLINK_TYPE_AMBA 3
99#define HSA_IOLINK_TYPE_MIPI 4
100#define HSA_IOLINK_TYPE_QPI_1_1 5
101#define HSA_IOLINK_TYPE_RESERVED1 6
102#define HSA_IOLINK_TYPE_RESERVED2 7
103#define HSA_IOLINK_TYPE_RAPID_IO 8
104#define HSA_IOLINK_TYPE_INFINIBAND 9
105#define HSA_IOLINK_TYPE_RESERVED3 10
106#define HSA_IOLINK_TYPE_XGMI 11
107#define HSA_IOLINK_TYPE_XGOP 12
108#define HSA_IOLINK_TYPE_GZ 13
109#define HSA_IOLINK_TYPE_ETHERNET_RDMA 14
110#define HSA_IOLINK_TYPE_RDMA_OTHER 15
111#define HSA_IOLINK_TYPE_OTHER 16
112
113/* Flag bits in IO link properties (matches CRAT flags, excluding the
114 * bi-directional flag, which is not offially part of the CRAT spec, and
115 * only used internally in KFD)
116 */
117#define HSA_IOLINK_FLAGS_ENABLED (1 << 0)
118#define HSA_IOLINK_FLAGS_NON_COHERENT (1 << 1)
119#define HSA_IOLINK_FLAGS_NO_ATOMICS_32_BIT (1 << 2)
120#define HSA_IOLINK_FLAGS_NO_ATOMICS_64_BIT (1 << 3)
121#define HSA_IOLINK_FLAGS_NO_PEER_TO_PEER_DMA (1 << 4)
122#define HSA_IOLINK_FLAGS_RESERVED 0xffffffe0
123
124#endif