diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_topology.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h new file mode 100644 index 000000000..19283b8b1 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h @@ -0,0 +1,170 @@ +/* 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_TOPOLOGY_H__ +#define __KFD_TOPOLOGY_H__ + +#include <linux/types.h> +#include <linux/list.h> +#include <linux/kfd_sysfs.h> +#include "kfd_crat.h" + +#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32 + +struct kfd_node_properties { + uint64_t hive_id; + uint32_t cpu_cores_count; + uint32_t simd_count; + uint32_t mem_banks_count; + uint32_t caches_count; + uint32_t io_links_count; + uint32_t p2p_links_count; + uint32_t cpu_core_id_base; + uint32_t simd_id_base; + uint32_t capability; + uint32_t max_waves_per_simd; + uint32_t lds_size_in_kb; + uint32_t gds_size_in_kb; + uint32_t num_gws; + uint32_t wave_front_size; + uint32_t array_count; + uint32_t simd_arrays_per_engine; + uint32_t cu_per_simd_array; + uint32_t simd_per_cu; + uint32_t max_slots_scratch_cu; + uint32_t engine_id; + uint32_t gfx_target_version; + uint32_t vendor_id; + uint32_t device_id; + uint32_t location_id; + uint32_t domain; + uint32_t max_engine_clk_fcompute; + uint32_t max_engine_clk_ccompute; + int32_t drm_render_minor; + uint32_t num_sdma_engines; + uint32_t num_sdma_xgmi_engines; + uint32_t num_sdma_queues_per_engine; + uint32_t num_cp_queues; + char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; +}; + +struct kfd_mem_properties { + struct list_head list; + uint32_t heap_type; + uint64_t size_in_bytes; + uint32_t flags; + uint32_t width; + uint32_t mem_clk_max; + struct kfd_dev *gpu; + struct kobject *kobj; + struct attribute attr; +}; + +#define CACHE_SIBLINGMAP_SIZE 64 + +struct kfd_cache_properties { + struct list_head list; + uint32_t processor_id_low; + uint32_t cache_level; + uint32_t cache_size; + uint32_t cacheline_size; + uint32_t cachelines_per_tag; + uint32_t cache_assoc; + uint32_t cache_latency; + uint32_t cache_type; + uint8_t sibling_map[CACHE_SIBLINGMAP_SIZE]; + struct kfd_dev *gpu; + struct kobject *kobj; + struct attribute attr; + uint32_t sibling_map_size; +}; + +struct kfd_iolink_properties { + struct list_head list; + uint32_t iolink_type; + uint32_t ver_maj; + uint32_t ver_min; + uint32_t node_from; + uint32_t node_to; + uint32_t weight; + uint32_t min_latency; + uint32_t max_latency; + uint32_t min_bandwidth; + uint32_t max_bandwidth; + uint32_t rec_transfer_size; + uint32_t flags; + struct kfd_dev *gpu; + struct kobject *kobj; + struct attribute attr; +}; + +struct kfd_perf_properties { + struct list_head list; + char block_name[16]; + uint32_t max_concurrent; + struct attribute_group *attr_group; +}; + +struct kfd_topology_device { + struct list_head list; + uint32_t gpu_id; + uint32_t proximity_domain; + struct kfd_node_properties node_props; + struct list_head mem_props; + uint32_t cache_count; + struct list_head cache_props; + struct list_head io_link_props; + struct list_head p2p_link_props; + struct list_head perf_props; + struct kfd_dev *gpu; + struct kobject *kobj_node; + struct kobject *kobj_mem; + struct kobject *kobj_cache; + struct kobject *kobj_iolink; + struct kobject *kobj_p2plink; + struct kobject *kobj_perf; + struct attribute attr_gpuid; + struct attribute attr_name; + struct attribute attr_props; + uint8_t oem_id[CRAT_OEMID_LENGTH]; + uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; + uint32_t oem_revision; +}; + +struct kfd_system_properties { + uint32_t num_devices; /* Number of H-NUMA nodes */ + uint32_t generation_count; + uint64_t platform_oem; + uint64_t platform_id; + uint64_t platform_rev; + struct kobject *kobj_topology; + struct kobject *kobj_nodes; + struct attribute attr_genid; + struct attribute attr_props; +}; + +struct kfd_topology_device *kfd_create_topology_device( + struct list_head *device_list); +void kfd_release_topology_device_list(struct list_head *device_list); + +#endif /* __KFD_TOPOLOGY_H__ */ |