drivers/gpu/drm/amd/amdkfd/kfd_topology.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdkfd/kfd_topology.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdkfd/kfd_topology.h
Extension
.h
Size
5841 bytes
Lines
211
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

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 capability2;
	uint64_t debug_prop;
	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;
	uint32_t cwsr_size;
	uint32_t ctl_stack_size;
	uint32_t eop_buffer_size;
	uint32_t debug_memory_size;
	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_node		*gpu;
	struct kobject		*kobj;
	struct attribute	attr;
};

#define CACHE_SIBLINGMAP_SIZE 128

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_node		*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		rec_sdma_eng_id_mask;
	uint32_t		flags;
	struct kfd_node		*gpu;

Annotation

Implementation Notes