/* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* * Copyright 2014-2022 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_CRAT_H_INCLUDED #define KFD_CRAT_H_INCLUDED #include <linux/types.h> #pragma pack(1) /* * 4CC signature value for the CRAT ACPI table */ #define CRAT_SIGNATURE … /* * Component Resource Association Table (CRAT) */ #define CRAT_OEMID_LENGTH … #define CRAT_OEMTABLEID_LENGTH … #define CRAT_RESERVED_LENGTH … /* Compute Unit flags */ #define COMPUTE_UNIT_CPU … #define COMPUTE_UNIT_GPU … struct crat_header { … }; /* * The header structure is immediately followed by total_entries of the * data definitions */ /* * The currently defined subtype entries in the CRAT */ #define CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY … #define CRAT_SUBTYPE_MEMORY_AFFINITY … #define CRAT_SUBTYPE_CACHE_AFFINITY … #define CRAT_SUBTYPE_TLB_AFFINITY … #define CRAT_SUBTYPE_CCOMPUTE_AFFINITY … #define CRAT_SUBTYPE_IOLINK_AFFINITY … #define CRAT_SUBTYPE_MAX … /* * Do not change the value of CRAT_SIBLINGMAP_SIZE from 32 * as it breaks the ABI. */ #define CRAT_SIBLINGMAP_SIZE … /* * ComputeUnit Affinity structure and definitions */ #define CRAT_CU_FLAGS_ENABLED … #define CRAT_CU_FLAGS_HOT_PLUGGABLE … #define CRAT_CU_FLAGS_CPU_PRESENT … #define CRAT_CU_FLAGS_GPU_PRESENT … #define CRAT_CU_FLAGS_IOMMU_PRESENT … #define CRAT_CU_FLAGS_RESERVED … #define CRAT_COMPUTEUNIT_RESERVED_LENGTH … struct crat_subtype_computeunit { … }; /* * HSA Memory Affinity structure and definitions */ #define CRAT_MEM_FLAGS_ENABLED … #define CRAT_MEM_FLAGS_HOT_PLUGGABLE … #define CRAT_MEM_FLAGS_NON_VOLATILE … #define CRAT_MEM_FLAGS_RESERVED … #define CRAT_MEMORY_RESERVED_LENGTH … struct crat_subtype_memory { … }; /* * HSA Cache Affinity structure and definitions */ #define CRAT_CACHE_FLAGS_ENABLED … #define CRAT_CACHE_FLAGS_DATA_CACHE … #define CRAT_CACHE_FLAGS_INST_CACHE … #define CRAT_CACHE_FLAGS_CPU_CACHE … #define CRAT_CACHE_FLAGS_SIMD_CACHE … #define CRAT_CACHE_FLAGS_RESERVED … #define CRAT_CACHE_RESERVED_LENGTH … struct crat_subtype_cache { … }; /* * HSA TLB Affinity structure and definitions */ #define CRAT_TLB_FLAGS_ENABLED … #define CRAT_TLB_FLAGS_DATA_TLB … #define CRAT_TLB_FLAGS_INST_TLB … #define CRAT_TLB_FLAGS_CPU_TLB … #define CRAT_TLB_FLAGS_SIMD_TLB … #define CRAT_TLB_FLAGS_RESERVED … #define CRAT_TLB_RESERVED_LENGTH … struct crat_subtype_tlb { … }; /* * HSA CCompute/APU Affinity structure and definitions */ #define CRAT_CCOMPUTE_FLAGS_ENABLED … #define CRAT_CCOMPUTE_FLAGS_RESERVED … #define CRAT_CCOMPUTE_RESERVED_LENGTH … struct crat_subtype_ccompute { … }; /* * HSA IO Link Affinity structure and definitions */ #define CRAT_IOLINK_FLAGS_ENABLED … #define CRAT_IOLINK_FLAGS_NON_COHERENT … #define CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT … #define CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT … #define CRAT_IOLINK_FLAGS_NO_PEER_TO_PEER_DMA … #define CRAT_IOLINK_FLAGS_BI_DIRECTIONAL … #define CRAT_IOLINK_FLAGS_RESERVED_MASK … /* * IO interface types */ #define CRAT_IOLINK_TYPE_UNDEFINED … #define CRAT_IOLINK_TYPE_HYPERTRANSPORT … #define CRAT_IOLINK_TYPE_PCIEXPRESS … #define CRAT_IOLINK_TYPE_AMBA … #define CRAT_IOLINK_TYPE_MIPI … #define CRAT_IOLINK_TYPE_QPI_1_1 … #define CRAT_IOLINK_TYPE_RESERVED1 … #define CRAT_IOLINK_TYPE_RESERVED2 … #define CRAT_IOLINK_TYPE_RAPID_IO … #define CRAT_IOLINK_TYPE_INFINIBAND … #define CRAT_IOLINK_TYPE_RESERVED3 … #define CRAT_IOLINK_TYPE_XGMI … #define CRAT_IOLINK_TYPE_XGOP … #define CRAT_IOLINK_TYPE_GZ … #define CRAT_IOLINK_TYPE_ETHERNET_RDMA … #define CRAT_IOLINK_TYPE_RDMA_OTHER … #define CRAT_IOLINK_TYPE_OTHER … #define CRAT_IOLINK_TYPE_MAX … #define CRAT_IOLINK_RESERVED_LENGTH … struct crat_subtype_iolink { … }; /* * HSA generic sub-type header */ #define CRAT_SUBTYPE_FLAGS_ENABLED … struct crat_subtype_generic { … }; #pragma pack() struct kfd_node; /* Static table to describe GPU Cache information */ struct kfd_gpu_cache_info { … }; int kfd_get_gpu_cache_info(struct kfd_node *kdev, struct kfd_gpu_cache_info **pcache_info); void kfd_destroy_crat_image(void *crat_image); int kfd_parse_crat_table(void *crat_image, struct list_head *device_list, uint32_t proximity_domain); int kfd_create_crat_image_virtual(void **crat_image, size_t *size, int flags, struct kfd_node *kdev, uint32_t proximity_domain); #endif /* KFD_CRAT_H_INCLUDED */
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