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_RESERVED			0xe00f8000
63 
64 /* debug_prop bits in node properties */
65 #define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_MASK     0x0000000f
66 #define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_SHIFT    0
67 #define HSA_DBG_WATCH_ADDR_MASK_HI_BIT_MASK     0x000003f0
68 #define HSA_DBG_WATCH_ADDR_MASK_HI_BIT_SHIFT    4
69 #define HSA_DBG_DISPATCH_INFO_ALWAYS_VALID      0x00000400
70 #define HSA_DBG_WATCHPOINTS_EXCLUSIVE           0x00000800
71 #define HSA_DBG_RESERVED                0xfffffffffffff000ull
72 
73 /* Heap types in memory properties */
74 #define HSA_MEM_HEAP_TYPE_SYSTEM	0
75 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC	1
76 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE	2
77 #define HSA_MEM_HEAP_TYPE_GPU_GDS	3
78 #define HSA_MEM_HEAP_TYPE_GPU_LDS	4
79 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH	5
80 
81 /* Flag bits in memory properties */
82 #define HSA_MEM_FLAGS_HOT_PLUGGABLE		0x00000001
83 #define HSA_MEM_FLAGS_NON_VOLATILE		0x00000002
84 #define HSA_MEM_FLAGS_RESERVED			0xfffffffc
85 
86 /* Cache types in cache properties */
87 #define HSA_CACHE_TYPE_DATA		0x00000001
88 #define HSA_CACHE_TYPE_INSTRUCTION	0x00000002
89 #define HSA_CACHE_TYPE_CPU		0x00000004
90 #define HSA_CACHE_TYPE_HSACU		0x00000008
91 #define HSA_CACHE_TYPE_RESERVED		0xfffffff0
92 
93 /* Link types in IO link properties (matches CRAT link types) */
94 #define HSA_IOLINK_TYPE_UNDEFINED	0
95 #define HSA_IOLINK_TYPE_HYPERTRANSPORT	1
96 #define HSA_IOLINK_TYPE_PCIEXPRESS	2
97 #define HSA_IOLINK_TYPE_AMBA		3
98 #define HSA_IOLINK_TYPE_MIPI		4
99 #define HSA_IOLINK_TYPE_QPI_1_1	5
100 #define HSA_IOLINK_TYPE_RESERVED1	6
101 #define HSA_IOLINK_TYPE_RESERVED2	7
102 #define HSA_IOLINK_TYPE_RAPID_IO	8
103 #define HSA_IOLINK_TYPE_INFINIBAND	9
104 #define HSA_IOLINK_TYPE_RESERVED3	10
105 #define HSA_IOLINK_TYPE_XGMI		11
106 #define HSA_IOLINK_TYPE_XGOP		12
107 #define HSA_IOLINK_TYPE_GZ		13
108 #define HSA_IOLINK_TYPE_ETHERNET_RDMA	14
109 #define HSA_IOLINK_TYPE_RDMA_OTHER	15
110 #define HSA_IOLINK_TYPE_OTHER		16
111 
112 /* Flag bits in IO link properties (matches CRAT flags, excluding the
113  * bi-directional flag, which is not offially part of the CRAT spec, and
114  * only used internally in KFD)
115  */
116 #define HSA_IOLINK_FLAGS_ENABLED		(1 << 0)
117 #define HSA_IOLINK_FLAGS_NON_COHERENT		(1 << 1)
118 #define HSA_IOLINK_FLAGS_NO_ATOMICS_32_BIT	(1 << 2)
119 #define HSA_IOLINK_FLAGS_NO_ATOMICS_64_BIT	(1 << 3)
120 #define HSA_IOLINK_FLAGS_NO_PEER_TO_PEER_DMA	(1 << 4)
121 #define HSA_IOLINK_FLAGS_RESERVED		0xffffffe0
122 
123 #endif
124