Current File : //proc/thread-self/root/usr/include/linux/kfd_sysfs.h
/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef KFD_SYSFS_H_INCLUDED
#define KFD_SYSFS_H_INCLUDED
/* Capability bits in node properties */
#define HSA_CAP_HOT_PLUGGABLE 0x00000001
#define HSA_CAP_ATS_PRESENT 0x00000002
#define HSA_CAP_SHARED_WITH_GRAPHICS 0x00000004
#define HSA_CAP_QUEUE_SIZE_POW2 0x00000008
#define HSA_CAP_QUEUE_SIZE_32BIT 0x00000010
#define HSA_CAP_QUEUE_IDLE_EVENT 0x00000020
#define HSA_CAP_VA_LIMIT 0x00000040
#define HSA_CAP_WATCH_POINTS_SUPPORTED 0x00000080
#define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK 0x00000f00
#define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8
#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK 0x00003000
#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT 12
#define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0
#define HSA_CAP_DOORBELL_TYPE_1_0 0x1
#define HSA_CAP_DOORBELL_TYPE_2_0 0x2
#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000
/* Old buggy user mode depends on this being 0 */
#define HSA_CAP_RESERVED_WAS_SRAM_EDCSUPPORTED 0x00080000
#define HSA_CAP_MEM_EDCSUPPORTED 0x00100000
#define HSA_CAP_RASEVENTNOTIFY 0x00200000
#define HSA_CAP_ASIC_REVISION_MASK 0x03c00000
#define HSA_CAP_ASIC_REVISION_SHIFT 22
#define HSA_CAP_SRAM_EDCSUPPORTED 0x04000000
#define HSA_CAP_SVMAPI_SUPPORTED 0x08000000
#define HSA_CAP_FLAGS_COHERENTHOSTACCESS 0x10000000
#define HSA_CAP_RESERVED 0xe00f8000
/* Heap types in memory properties */
#define HSA_MEM_HEAP_TYPE_SYSTEM 0
#define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1
#define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2
#define HSA_MEM_HEAP_TYPE_GPU_GDS 3
#define HSA_MEM_HEAP_TYPE_GPU_LDS 4
#define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5
/* Flag bits in memory properties */
#define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001
#define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002
#define HSA_MEM_FLAGS_RESERVED 0xfffffffc
/* Cache types in cache properties */
#define HSA_CACHE_TYPE_DATA 0x00000001
#define HSA_CACHE_TYPE_INSTRUCTION 0x00000002
#define HSA_CACHE_TYPE_CPU 0x00000004
#define HSA_CACHE_TYPE_HSACU 0x00000008
#define HSA_CACHE_TYPE_RESERVED 0xfffffff0
/* Link types in IO link properties (matches CRAT link types) */
#define HSA_IOLINK_TYPE_UNDEFINED 0
#define HSA_IOLINK_TYPE_HYPERTRANSPORT 1
#define HSA_IOLINK_TYPE_PCIEXPRESS 2
#define HSA_IOLINK_TYPE_AMBA 3
#define HSA_IOLINK_TYPE_MIPI 4
#define HSA_IOLINK_TYPE_QPI_1_1 5
#define HSA_IOLINK_TYPE_RESERVED1 6
#define HSA_IOLINK_TYPE_RESERVED2 7
#define HSA_IOLINK_TYPE_RAPID_IO 8
#define HSA_IOLINK_TYPE_INFINIBAND 9
#define HSA_IOLINK_TYPE_RESERVED3 10
#define HSA_IOLINK_TYPE_XGMI 11
#define HSA_IOLINK_TYPE_XGOP 12
#define HSA_IOLINK_TYPE_GZ 13
#define HSA_IOLINK_TYPE_ETHERNET_RDMA 14
#define HSA_IOLINK_TYPE_RDMA_OTHER 15
#define HSA_IOLINK_TYPE_OTHER 16
/* Flag bits in IO link properties (matches CRAT flags, excluding the
* bi-directional flag, which is not offially part of the CRAT spec, and
* only used internally in KFD)
*/
#define HSA_IOLINK_FLAGS_ENABLED (1 << 0)
#define HSA_IOLINK_FLAGS_NON_COHERENT (1 << 1)
#define HSA_IOLINK_FLAGS_NO_ATOMICS_32_BIT (1 << 2)
#define HSA_IOLINK_FLAGS_NO_ATOMICS_64_BIT (1 << 3)
#define HSA_IOLINK_FLAGS_NO_PEER_TO_PEER_DMA (1 << 4)
#define HSA_IOLINK_FLAGS_RESERVED 0xffffffe0
#endif
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