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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_topology.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_topology.h170
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__ */