kfd_topology.h

  1/* SPDX-License-Identifier: GPL-2.0 OR MIT */
  2/*
  3 * Copyright 2014-2022 Advanced Micro Devices, Inc.
  4 *
  5 * Permission is hereby granted, free of charge, to any person obtaining a
  6 * copy of this software and associated documentation files (the "Software"),
  7 * to deal in the Software without restriction, including without limitation
  8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  9 * and/or sell copies of the Software, and to permit persons to whom the
 10 * Software is furnished to do so, subject to the following conditions:
 11 *
 12 * The above copyright notice and this permission notice shall be included in
 13 * all copies or substantial portions of the Software.
 14 *
 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 21 * OTHER DEALINGS IN THE SOFTWARE.
 22 */
 23
 24#ifndef __KFD_TOPOLOGY_H__
 25#define __KFD_TOPOLOGY_H__
 26
 27#include <linux/dmi.h>
 28#include <linux/types.h>
 29#include <linux/list.h>
 30#include <linux/kfd_sysfs.h>
 31#include "kfd_crat.h"
 32
 33#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
 34
 35#define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX9	6
 36#define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX9_4_3 7
 37#define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX10	7
 38#define HSA_DBG_WATCH_ADDR_MASK_HI_BIT  \
 39			(29 << HSA_DBG_WATCH_ADDR_MASK_HI_BIT_SHIFT)
 40#define HSA_DBG_WATCH_ADDR_MASK_HI_BIT_GFX9_4_3 \
 41			(30 << HSA_DBG_WATCH_ADDR_MASK_HI_BIT_SHIFT)
 42
 43struct kfd_node_properties {
 44	uint64_t hive_id;
 45	uint32_t cpu_cores_count;
 46	uint32_t simd_count;
 47	uint32_t mem_banks_count;
 48	uint32_t caches_count;
 49	uint32_t io_links_count;
 50	uint32_t p2p_links_count;
 51	uint32_t cpu_core_id_base;
 52	uint32_t simd_id_base;
 53	uint32_t capability;
 54	uint32_t capability2;
 55	uint64_t debug_prop;
 56	uint32_t max_waves_per_simd;
 57	uint32_t lds_size_in_kb;
 58	uint32_t gds_size_in_kb;
 59	uint32_t num_gws;
 60	uint32_t wave_front_size;
 61	uint32_t array_count;
 62	uint32_t simd_arrays_per_engine;
 63	uint32_t cu_per_simd_array;
 64	uint32_t simd_per_cu;
 65	uint32_t max_slots_scratch_cu;
 66	uint32_t engine_id;
 67	uint32_t gfx_target_version;
 68	uint32_t vendor_id;
 69	uint32_t device_id;
 70	uint32_t location_id;
 71	uint32_t domain;
 72	uint32_t max_engine_clk_fcompute;
 73	uint32_t max_engine_clk_ccompute;
 74	int32_t  drm_render_minor;
 75	uint32_t num_sdma_engines;
 76	uint32_t num_sdma_xgmi_engines;
 77	uint32_t num_sdma_queues_per_engine;
 78	uint32_t num_cp_queues;
 79	uint32_t cwsr_size;
 80	uint32_t ctl_stack_size;
 81	uint32_t eop_buffer_size;
 82	uint32_t debug_memory_size;
 83	char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
 84};
 85
 86struct kfd_mem_properties {
 87	struct list_head	list;
 88	uint32_t		heap_type;
 89	uint64_t		size_in_bytes;
 90	uint32_t		flags;
 91	uint32_t		width;
 92	uint32_t		mem_clk_max;
 93	struct kfd_node		*gpu;
 94	struct kobject		*kobj;
 95	struct attribute	attr;
 96};
 97
 98#define CACHE_SIBLINGMAP_SIZE 128
 99
100struct kfd_cache_properties {
101	struct list_head	list;
102	uint32_t		processor_id_low;
103	uint32_t		cache_level;
104	uint32_t		cache_size;
105	uint32_t		cacheline_size;
106	uint32_t		cachelines_per_tag;
107	uint32_t		cache_assoc;
108	uint32_t		cache_latency;
109	uint32_t		cache_type;
110	uint8_t			sibling_map[CACHE_SIBLINGMAP_SIZE];
111	struct kfd_node		*gpu;
112	struct kobject		*kobj;
113	struct attribute	attr;
114	uint32_t		sibling_map_size;
115};
116
117struct kfd_iolink_properties {
118	struct list_head	list;
119	uint32_t		iolink_type;
120	uint32_t		ver_maj;
121	uint32_t		ver_min;
122	uint32_t		node_from;
123	uint32_t		node_to;
124	uint32_t		weight;
125	uint32_t		min_latency;
126	uint32_t		max_latency;
127	uint32_t		min_bandwidth;
128	uint32_t		max_bandwidth;
129	uint32_t		rec_transfer_size;
130	uint32_t		rec_sdma_eng_id_mask;
131	uint32_t		flags;
132	struct kfd_node		*gpu;
133	struct kobject		*kobj;
134	struct attribute	attr;
135};
136
137struct kfd_perf_properties {
138	struct list_head	list;
139	char			block_name[16];
140	uint32_t		max_concurrent;
141	struct attribute_group	*attr_group;
142};
143
144struct kfd_topology_device {
145	struct list_head		list;
146	uint32_t			gpu_id;
147	uint32_t			proximity_domain;
148	struct kfd_node_properties	node_props;
149	struct list_head		mem_props;
150	struct list_head		cache_props;
151	struct list_head		io_link_props;
152	struct list_head		p2p_link_props;
153	struct list_head		perf_props;
154	struct kfd_node			*gpu;
155	struct kobject			*kobj_node;
156	struct kobject			*kobj_mem;
157	struct kobject			*kobj_cache;
158	struct kobject			*kobj_iolink;
159	struct kobject			*kobj_p2plink;
160	struct kobject			*kobj_perf;
161	struct attribute		attr_gpuid;
162	struct attribute		attr_name;
163	struct attribute		attr_props;
164	union {
165		uint8_t				oem_id[CRAT_OEMID_LENGTH];
166		uint64_t			oem_id64;
167	};
168	uint8_t				oem_table_id[CRAT_OEMTABLEID_LENGTH];
169	uint32_t			oem_revision;
170};
171
172struct kfd_system_properties {
173	uint32_t		num_devices;     /* Number of H-NUMA nodes */
174	uint32_t		generation_count;
175	uint64_t		platform_oem;
176	uint64_t		platform_id;
177	uint64_t		platform_rev;
178	struct kobject		*kobj_topology;
179	struct kobject		*kobj_nodes;
180	struct attribute	attr_genid;
181	struct attribute	attr_props;
182};
183
184struct dmi_mem_device {
185	struct dmi_header header;
186	u16 physical_handle;
187	u16 error_handle;
188	u16 total_width;
189	u16 data_width;
190	u16 size;
191	u8 form_factor;
192	u8 device_set;
193	u8 device_locator;
194	u8 bank_locator;
195	u8 memory_type;
196	u16 type_detail;
197	u16 speed;
198} __packed;
199
200struct kfd_topology_device *kfd_create_topology_device(
201		struct list_head *device_list);
202void kfd_release_topology_device_list(struct list_head *device_list);
203
204#endif /* __KFD_TOPOLOGY_H__ */