diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_crat.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_crat.h | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h new file mode 100644 index 000000000000..a374fa3d3ee6 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h @@ -0,0 +1,294 @@ +/* + * Copyright 2014 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 values for the CRAT and CDIT ACPI tables + */ + +#define CRAT_SIGNATURE "CRAT" +#define CDIT_SIGNATURE "CDIT" + +/* + * Component Resource Association Table (CRAT) + */ + +#define CRAT_OEMID_LENGTH 6 +#define CRAT_OEMTABLEID_LENGTH 8 +#define CRAT_RESERVED_LENGTH 6 + +#define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1) + +struct crat_header { + uint32_t signature; + uint32_t length; + uint8_t revision; + uint8_t checksum; + uint8_t oem_id[CRAT_OEMID_LENGTH]; + uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; + uint32_t oem_revision; + uint32_t creator_id; + uint32_t creator_revision; + uint32_t total_entries; + uint16_t num_domains; + uint8_t reserved[CRAT_RESERVED_LENGTH]; +}; + +/* + * 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 0 +#define CRAT_SUBTYPE_MEMORY_AFFINITY 1 +#define CRAT_SUBTYPE_CACHE_AFFINITY 2 +#define CRAT_SUBTYPE_TLB_AFFINITY 3 +#define CRAT_SUBTYPE_CCOMPUTE_AFFINITY 4 +#define CRAT_SUBTYPE_IOLINK_AFFINITY 5 +#define CRAT_SUBTYPE_MAX 6 + +#define CRAT_SIBLINGMAP_SIZE 32 + +/* + * ComputeUnit Affinity structure and definitions + */ +#define CRAT_CU_FLAGS_ENABLED 0x00000001 +#define CRAT_CU_FLAGS_HOT_PLUGGABLE 0x00000002 +#define CRAT_CU_FLAGS_CPU_PRESENT 0x00000004 +#define CRAT_CU_FLAGS_GPU_PRESENT 0x00000008 +#define CRAT_CU_FLAGS_IOMMU_PRESENT 0x00000010 +#define CRAT_CU_FLAGS_RESERVED 0xffffffe0 + +#define CRAT_COMPUTEUNIT_RESERVED_LENGTH 4 + +struct crat_subtype_computeunit { + uint8_t type; + uint8_t length; + uint16_t reserved; + uint32_t flags; + uint32_t proximity_domain; + uint32_t processor_id_low; + uint16_t num_cpu_cores; + uint16_t num_simd_cores; + uint16_t max_waves_simd; + uint16_t io_count; + uint16_t hsa_capability; + uint16_t lds_size_in_kb; + uint8_t wave_front_size; + uint8_t num_banks; + uint16_t micro_engine_id; + uint8_t num_arrays; + uint8_t num_cu_per_array; + uint8_t num_simd_per_cu; + uint8_t max_slots_scatch_cu; + uint8_t reserved2[CRAT_COMPUTEUNIT_RESERVED_LENGTH]; +}; + +/* + * HSA Memory Affinity structure and definitions + */ +#define CRAT_MEM_FLAGS_ENABLED 0x00000001 +#define CRAT_MEM_FLAGS_HOT_PLUGGABLE 0x00000002 +#define CRAT_MEM_FLAGS_NON_VOLATILE 0x00000004 +#define CRAT_MEM_FLAGS_RESERVED 0xfffffff8 + +#define CRAT_MEMORY_RESERVED_LENGTH 8 + +struct crat_subtype_memory { + uint8_t type; + uint8_t length; + uint16_t reserved; + uint32_t flags; + uint32_t promixity_domain; + uint32_t base_addr_low; + uint32_t base_addr_high; + uint32_t length_low; + uint32_t length_high; + uint32_t width; + uint8_t reserved2[CRAT_MEMORY_RESERVED_LENGTH]; +}; + +/* + * HSA Cache Affinity structure and definitions + */ +#define CRAT_CACHE_FLAGS_ENABLED 0x00000001 +#define CRAT_CACHE_FLAGS_DATA_CACHE 0x00000002 +#define CRAT_CACHE_FLAGS_INST_CACHE 0x00000004 +#define CRAT_CACHE_FLAGS_CPU_CACHE 0x00000008 +#define CRAT_CACHE_FLAGS_SIMD_CACHE 0x00000010 +#define CRAT_CACHE_FLAGS_RESERVED 0xffffffe0 + +#define CRAT_CACHE_RESERVED_LENGTH 8 + +struct crat_subtype_cache { + uint8_t type; + uint8_t length; + uint16_t reserved; + uint32_t flags; + uint32_t processor_id_low; + uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; + uint32_t cache_size; + uint8_t cache_level; + uint8_t lines_per_tag; + uint16_t cache_line_size; + uint8_t associativity; + uint8_t cache_properties; + uint16_t cache_latency; + uint8_t reserved2[CRAT_CACHE_RESERVED_LENGTH]; +}; + +/* + * HSA TLB Affinity structure and definitions + */ +#define CRAT_TLB_FLAGS_ENABLED 0x00000001 +#define CRAT_TLB_FLAGS_DATA_TLB 0x00000002 +#define CRAT_TLB_FLAGS_INST_TLB 0x00000004 +#define CRAT_TLB_FLAGS_CPU_TLB 0x00000008 +#define CRAT_TLB_FLAGS_SIMD_TLB 0x00000010 +#define CRAT_TLB_FLAGS_RESERVED 0xffffffe0 + +#define CRAT_TLB_RESERVED_LENGTH 4 + +struct crat_subtype_tlb { + uint8_t type; + uint8_t length; + uint16_t reserved; + uint32_t flags; + uint32_t processor_id_low; + uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; + uint32_t tlb_level; + uint8_t data_tlb_associativity_2mb; + uint8_t data_tlb_size_2mb; + uint8_t instruction_tlb_associativity_2mb; + uint8_t instruction_tlb_size_2mb; + uint8_t data_tlb_associativity_4k; + uint8_t data_tlb_size_4k; + uint8_t instruction_tlb_associativity_4k; + uint8_t instruction_tlb_size_4k; + uint8_t data_tlb_associativity_1gb; + uint8_t data_tlb_size_1gb; + uint8_t instruction_tlb_associativity_1gb; + uint8_t instruction_tlb_size_1gb; + uint8_t reserved2[CRAT_TLB_RESERVED_LENGTH]; +}; + +/* + * HSA CCompute/APU Affinity structure and definitions + */ +#define CRAT_CCOMPUTE_FLAGS_ENABLED 0x00000001 +#define CRAT_CCOMPUTE_FLAGS_RESERVED 0xfffffffe + +#define CRAT_CCOMPUTE_RESERVED_LENGTH 16 + +struct crat_subtype_ccompute { + uint8_t type; + uint8_t length; + uint16_t reserved; + uint32_t flags; + uint32_t processor_id_low; + uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; + uint32_t apu_size; + uint8_t reserved2[CRAT_CCOMPUTE_RESERVED_LENGTH]; +}; + +/* + * HSA IO Link Affinity structure and definitions + */ +#define CRAT_IOLINK_FLAGS_ENABLED 0x00000001 +#define CRAT_IOLINK_FLAGS_COHERENCY 0x00000002 +#define CRAT_IOLINK_FLAGS_RESERVED 0xfffffffc + +/* + * IO interface types + */ +#define CRAT_IOLINK_TYPE_UNDEFINED 0 +#define CRAT_IOLINK_TYPE_HYPERTRANSPORT 1 +#define CRAT_IOLINK_TYPE_PCIEXPRESS 2 +#define CRAT_IOLINK_TYPE_OTHER 3 +#define CRAT_IOLINK_TYPE_MAX 255 + +#define CRAT_IOLINK_RESERVED_LENGTH 24 + +struct crat_subtype_iolink { + uint8_t type; + uint8_t length; + uint16_t reserved; + uint32_t flags; + uint32_t proximity_domain_from; + uint32_t proximity_domain_to; + uint8_t io_interface_type; + uint8_t version_major; + uint16_t version_minor; + uint32_t minimum_latency; + uint32_t maximum_latency; + uint32_t minimum_bandwidth_mbs; + uint32_t maximum_bandwidth_mbs; + uint32_t recommended_transfer_size; + uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH]; +}; + +/* + * HSA generic sub-type header + */ + +#define CRAT_SUBTYPE_FLAGS_ENABLED 0x00000001 + +struct crat_subtype_generic { + uint8_t type; + uint8_t length; + uint16_t reserved; + uint32_t flags; +}; + +/* + * Component Locality Distance Information Table (CDIT) + */ +#define CDIT_OEMID_LENGTH 6 +#define CDIT_OEMTABLEID_LENGTH 8 + +struct cdit_header { + uint32_t signature; + uint32_t length; + uint8_t revision; + uint8_t checksum; + uint8_t oem_id[CDIT_OEMID_LENGTH]; + uint8_t oem_table_id[CDIT_OEMTABLEID_LENGTH]; + uint32_t oem_revision; + uint32_t creator_id; + uint32_t creator_revision; + uint32_t total_entries; + uint16_t num_domains; + uint8_t entry[1]; +}; + +#pragma pack() + +#endif /* KFD_CRAT_H_INCLUDED */ |