1/*
  2 * Copyright 2014 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 */
 22
 23#ifndef __KFD_TOPOLOGY_H__
 24#define __KFD_TOPOLOGY_H__
 25
 26#include <linux/types.h>
 27#include <linux/list.h>
 28#include "kfd_crat.h"
 29
 30#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
 31
 32#define HSA_CAP_HOT_PLUGGABLE			0x00000001
 33#define HSA_CAP_ATS_PRESENT			0x00000002
 34#define HSA_CAP_SHARED_WITH_GRAPHICS		0x00000004
 35#define HSA_CAP_QUEUE_SIZE_POW2			0x00000008
 36#define HSA_CAP_QUEUE_SIZE_32BIT		0x00000010
 37#define HSA_CAP_QUEUE_IDLE_EVENT		0x00000020
 38#define HSA_CAP_VA_LIMIT			0x00000040
 39#define HSA_CAP_WATCH_POINTS_SUPPORTED		0x00000080
 40#define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK	0x00000f00
 41#define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT	8
 42#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK	0x00003000
 43#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT	12
 44#define HSA_CAP_RESERVED			0xffffc000
 45
 46#define HSA_CAP_DOORBELL_TYPE_PRE_1_0		0x0
 47#define HSA_CAP_DOORBELL_TYPE_1_0		0x1
 48#define HSA_CAP_DOORBELL_TYPE_2_0		0x2
 49#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP		0x00004000
 50
 51#define HSA_CAP_SRAM_EDCSUPPORTED		0x00080000
 52#define HSA_CAP_MEM_EDCSUPPORTED		0x00100000
 53#define HSA_CAP_RASEVENTNOTIFY			0x00200000
 54
 55struct kfd_node_properties {
 56	uint64_t hive_id;
 57	uint32_t cpu_cores_count;
 58	uint32_t simd_count;
 59	uint32_t mem_banks_count;
 60	uint32_t caches_count;
 61	uint32_t io_links_count;
 62	uint32_t cpu_core_id_base;
 63	uint32_t simd_id_base;
 64	uint32_t capability;
 65	uint32_t max_waves_per_simd;
 66	uint32_t lds_size_in_kb;
 67	uint32_t gds_size_in_kb;
 68	uint32_t num_gws;
 69	uint32_t wave_front_size;
 70	uint32_t array_count;
 71	uint32_t simd_arrays_per_engine;
 72	uint32_t cu_per_simd_array;
 73	uint32_t simd_per_cu;
 74	uint32_t max_slots_scratch_cu;
 75	uint32_t engine_id;
 76	uint32_t vendor_id;
 77	uint32_t device_id;
 78	uint32_t location_id;
 79	uint32_t max_engine_clk_fcompute;
 80	uint32_t max_engine_clk_ccompute;
 81	int32_t  drm_render_minor;
 82	uint32_t num_sdma_engines;
 83	uint32_t num_sdma_xgmi_engines;
 84	char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
 85};
 86
 87#define HSA_MEM_HEAP_TYPE_SYSTEM	0
 88#define HSA_MEM_HEAP_TYPE_FB_PUBLIC	1
 89#define HSA_MEM_HEAP_TYPE_FB_PRIVATE	2
 90#define HSA_MEM_HEAP_TYPE_GPU_GDS	3
 91#define HSA_MEM_HEAP_TYPE_GPU_LDS	4
 92#define HSA_MEM_HEAP_TYPE_GPU_SCRATCH	5
 93
 94#define HSA_MEM_FLAGS_HOT_PLUGGABLE	0x00000001
 95#define HSA_MEM_FLAGS_NON_VOLATILE	0x00000002
 96#define HSA_MEM_FLAGS_RESERVED		0xfffffffc
 97
 98struct kfd_mem_properties {
 99	struct list_head	list;
100	uint32_t		heap_type;
101	uint64_t		size_in_bytes;
102	uint32_t		flags;
103	uint32_t		width;
104	uint32_t		mem_clk_max;
105	struct kobject		*kobj;
106	struct attribute	attr;
107};
108
109#define HSA_CACHE_TYPE_DATA		0x00000001
110#define HSA_CACHE_TYPE_INSTRUCTION	0x00000002
111#define HSA_CACHE_TYPE_CPU		0x00000004
112#define HSA_CACHE_TYPE_HSACU		0x00000008
113#define HSA_CACHE_TYPE_RESERVED		0xfffffff0
114
115struct kfd_cache_properties {
116	struct list_head	list;
117	uint32_t		processor_id_low;
118	uint32_t		cache_level;
119	uint32_t		cache_size;
120	uint32_t		cacheline_size;
121	uint32_t		cachelines_per_tag;
122	uint32_t		cache_assoc;
123	uint32_t		cache_latency;
124	uint32_t		cache_type;
125	uint8_t			sibling_map[CRAT_SIBLINGMAP_SIZE];
126	struct kobject		*kobj;
127	struct attribute	attr;
128};
129
130struct kfd_iolink_properties {
131	struct list_head	list;
132	uint32_t		iolink_type;
133	uint32_t		ver_maj;
134	uint32_t		ver_min;
135	uint32_t		node_from;
136	uint32_t		node_to;
137	uint32_t		weight;
138	uint32_t		min_latency;
139	uint32_t		max_latency;
140	uint32_t		min_bandwidth;
141	uint32_t		max_bandwidth;
142	uint32_t		rec_transfer_size;
143	uint32_t		flags;
144	struct kobject		*kobj;
145	struct attribute	attr;
146};
147
148struct kfd_perf_properties {
149	struct list_head	list;
150	char			block_name[16];
151	uint32_t		max_concurrent;
152	struct attribute_group	*attr_group;
153};
154
155struct kfd_topology_device {
156	struct list_head		list;
157	uint32_t			gpu_id;
158	uint32_t			proximity_domain;
159	struct kfd_node_properties	node_props;
160	struct list_head		mem_props;
161	uint32_t			cache_count;
162	struct list_head		cache_props;
163	uint32_t			io_link_count;
164	struct list_head		io_link_props;
165	struct list_head		perf_props;
166	struct kfd_dev			*gpu;
167	struct kobject			*kobj_node;
168	struct kobject			*kobj_mem;
169	struct kobject			*kobj_cache;
170	struct kobject			*kobj_iolink;
171	struct kobject			*kobj_perf;
172	struct attribute		attr_gpuid;
173	struct attribute		attr_name;
174	struct attribute		attr_props;
175	uint8_t				oem_id[CRAT_OEMID_LENGTH];
176	uint8_t				oem_table_id[CRAT_OEMTABLEID_LENGTH];
177	uint32_t			oem_revision;
178};
179
180struct kfd_system_properties {
181	uint32_t		num_devices;     /* Number of H-NUMA nodes */
182	uint32_t		generation_count;
183	uint64_t		platform_oem;
184	uint64_t		platform_id;
185	uint64_t		platform_rev;
186	struct kobject		*kobj_topology;
187	struct kobject		*kobj_nodes;
188	struct attribute	attr_genid;
189	struct attribute	attr_props;
190};
191
192struct kfd_topology_device *kfd_create_topology_device(
193		struct list_head *device_list);
194void kfd_release_topology_device_list(struct list_head *device_list);
195
196#endif /* __KFD_TOPOLOGY_H__ */