include/uapi/linux/kfd_sysfs.h - third_party/kernel - Git at Google

 /* 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
	/* 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