drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h

Extension

.h

Size

3581 bytes

Lines

100

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.

• 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.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• struct smu8_buffer_entry
• struct smu8_register_index_data_pair
• struct smu8_ih_meta_data
• struct smu8_smumgr
• enum smu8_scratch_entry

Annotated Snippet

struct smu8_buffer_entry {
	uint32_t data_size;
	uint64_t mc_addr;
	void *kaddr;
	enum smu8_scratch_entry firmware_ID;
	struct amdgpu_bo *handle; /* as bo handle used when release bo */
};

struct smu8_register_index_data_pair {
	uint32_t offset;
	uint32_t value;
};

struct smu8_ih_meta_data {
	uint32_t command;
	struct smu8_register_index_data_pair register_index_value_pair[1];
};

struct smu8_smumgr {
	uint8_t driver_buffer_length;
	uint8_t scratch_buffer_length;
	uint16_t toc_entry_used_count;
	uint16_t toc_entry_initialize_index;
	uint16_t toc_entry_power_profiling_index;
	uint16_t toc_entry_aram;
	uint16_t toc_entry_ih_register_restore_task_index;
	uint16_t toc_entry_clock_table;
	uint16_t ih_register_restore_task_size;
	uint16_t smu_buffer_used_bytes;

	struct smu8_buffer_entry toc_buffer;
	struct smu8_buffer_entry smu_buffer;
	struct smu8_buffer_entry firmware_buffer;
	struct smu8_buffer_entry driver_buffer[MAX_NUM_FIRMWARE];
	struct smu8_buffer_entry meta_data_buffer[MAX_NUM_FIRMWARE];
	struct smu8_buffer_entry scratch_buffer[MAX_NUM_SCRATCH];
};

#endif

Annotation

• Detected declarations: `struct smu8_buffer_entry`, `struct smu8_register_index_data_pair`, `struct smu8_ih_meta_data`, `struct smu8_smumgr`, `enum smu8_scratch_entry`.
• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.