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 /* Old buggy user mode depends on this being 0 */ 47 #define HSA_CAP_RESERVED_WAS_SRAM_EDCSUPPORTED 0x00080000 48 49 #define HSA_CAP_MEM_EDCSUPPORTED 0x00100000 50 #define HSA_CAP_RASEVENTNOTIFY 0x00200000 51 #define HSA_CAP_ASIC_REVISION_MASK 0x03c00000 52 #define HSA_CAP_ASIC_REVISION_SHIFT 22 53 #define HSA_CAP_SRAM_EDCSUPPORTED 0x04000000 54 #define HSA_CAP_SVMAPI_SUPPORTED 0x08000000 55 #define HSA_CAP_FLAGS_COHERENTHOSTACCESS 0x10000000 56 #define HSA_CAP_RESERVED 0xe00f8000 57 58 /* Heap types in memory properties */ 59 #define HSA_MEM_HEAP_TYPE_SYSTEM 0 60 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1 61 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2 62 #define HSA_MEM_HEAP_TYPE_GPU_GDS 3 63 #define HSA_MEM_HEAP_TYPE_GPU_LDS 4 64 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5 65 66 /* Flag bits in memory properties */ 67 #define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001 68 #define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002 69 #define HSA_MEM_FLAGS_RESERVED 0xfffffffc 70 71 /* Cache types in cache properties */ 72 #define HSA_CACHE_TYPE_DATA 0x00000001 73 #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002 74 #define HSA_CACHE_TYPE_CPU 0x00000004 75 #define HSA_CACHE_TYPE_HSACU 0x00000008 76 #define HSA_CACHE_TYPE_RESERVED 0xfffffff0 77 78 /* Link types in IO link properties (matches CRAT link types) */ 79 #define HSA_IOLINK_TYPE_UNDEFINED 0 80 #define HSA_IOLINK_TYPE_HYPERTRANSPORT 1 81 #define HSA_IOLINK_TYPE_PCIEXPRESS 2 82 #define HSA_IOLINK_TYPE_AMBA 3 83 #define HSA_IOLINK_TYPE_MIPI 4 84 #define HSA_IOLINK_TYPE_QPI_1_1 5 85 #define HSA_IOLINK_TYPE_RESERVED1 6 86 #define HSA_IOLINK_TYPE_RESERVED2 7 87 #define HSA_IOLINK_TYPE_RAPID_IO 8 88 #define HSA_IOLINK_TYPE_INFINIBAND 9 89 #define HSA_IOLINK_TYPE_RESERVED3 10 90 #define HSA_IOLINK_TYPE_XGMI 11 91 #define HSA_IOLINK_TYPE_XGOP 12 92 #define HSA_IOLINK_TYPE_GZ 13 93 #define HSA_IOLINK_TYPE_ETHERNET_RDMA 14 94 #define HSA_IOLINK_TYPE_RDMA_OTHER 15 95 #define HSA_IOLINK_TYPE_OTHER 16 96 97 /* Flag bits in IO link properties (matches CRAT flags, excluding the 98 * bi-directional flag, which is not offially part of the CRAT spec, and 99 * only used internally in KFD) 100 */ 101 #define HSA_IOLINK_FLAGS_ENABLED (1 << 0) 102 #define HSA_IOLINK_FLAGS_NON_COHERENT (1 << 1) 103 #define HSA_IOLINK_FLAGS_NO_ATOMICS_32_BIT (1 << 2) 104 #define HSA_IOLINK_FLAGS_NO_ATOMICS_64_BIT (1 << 3) 105 #define HSA_IOLINK_FLAGS_NO_PEER_TO_PEER_DMA (1 << 4) 106 #define HSA_IOLINK_FLAGS_RESERVED 0xffffffe0 107 108 #endif 109