/* $NetBSD: kfd_topology.h,v 1.2 2018/08/27 04:58:20 riastradh Exp $ */
/*
* 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_TOPOLOGY_H__
#define __KFD_TOPOLOGY_H__
#include <linux/types.h>
#include <linux/list.h>
#include "kfd_priv.h"
#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 128
#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_RESERVED 0xfffff000
#define HSA_CAP_DOORBELL_PACKET_TYPE 0x00001000
struct kfd_node_properties {
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 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 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 vendor_id;
uint32_t device_id;
uint32_t location_id;
uint32_t max_engine_clk_fcompute;
uint32_t max_engine_clk_ccompute;
uint16_t marketing_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
};
#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
#define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001
#define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002
#define HSA_MEM_FLAGS_RESERVED 0xfffffffc
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 kobject *kobj;
struct attribute attr;
};
#define KFD_TOPOLOGY_CPU_SIBLINGS 256
#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
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[KFD_TOPOLOGY_CPU_SIBLINGS];
struct kobject *kobj;
struct attribute attr;
};
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 kobject *kobj;
struct attribute attr;
};
struct kfd_topology_device {
struct list_head list;
uint32_t gpu_id;
struct kfd_node_properties node_props;
uint32_t mem_bank_count;
struct list_head mem_props;
uint32_t cache_count;
struct list_head cache_props;
uint32_t io_link_count;
struct list_head io_link_props;
struct kfd_dev *gpu;
struct kobject *kobj_node;
struct kobject *kobj_mem;
struct kobject *kobj_cache;
struct kobject *kobj_iolink;
struct attribute attr_gpuid;
struct attribute attr_name;
struct attribute attr_props;
};
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;
};
#endif /* __KFD_TOPOLOGY_H__ */