drivers/gpu/drm/amd/amdgpu/ta_ras_if.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdgpu/ta_ras_if.h
Extension
.h
Size
6812 bytes
Lines
225
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 ta_ras_enable_features_input {
	enum ta_ras_block	block_id;
	enum ta_ras_error_type	error_type;
};

struct ta_ras_disable_features_input {
	enum ta_ras_block	block_id;
	enum ta_ras_error_type	error_type;
};

struct ta_ras_trigger_error_input {
	enum ta_ras_block	block_id;		// ras-block. i.e. umc, gfx
	enum ta_ras_error_type	inject_error_type;	// type of error. i.e. single_correctable
	uint32_t		sub_block_index;	// mem block. i.e. hbm, sram etc.
	uint64_t		address;		// explicit address of error
	uint64_t		value;			// method if error injection. i.e persistent, coherent etc.
};

struct ta_ras_init_flags {
	uint8_t poison_mode_en;
	uint8_t dgpu_mode;
	uint16_t xcc_mask;
	uint8_t channel_dis_num;
	uint8_t nps_mode;
	uint32_t active_umc_mask;
	uint8_t vram_type;
};

struct ta_ras_mca_addr {
	uint64_t err_addr;
	uint32_t ch_inst;
	uint32_t umc_inst;
	uint32_t node_inst;
	uint32_t socket_id;
};

struct ta_ras_phy_addr {
	uint64_t pa;
	uint32_t bank;
	uint32_t channel_idx;
};

struct ta_ras_query_address_input {
	enum ta_ras_address_type addr_type;
	struct ta_ras_mca_addr ma;
	struct ta_ras_phy_addr pa;
};

struct ta_ras_output_flags {
	uint8_t ras_init_success_flag;
	uint8_t err_inject_switch_disable_flag;
	uint8_t reg_access_failure_flag;
};

struct ta_ras_query_address_output {
	/* don't use the flags here */
	struct ta_ras_output_flags flags;
	struct ta_ras_mca_addr ma;
	struct ta_ras_phy_addr pa;
};

/* Common input structure for RAS callbacks */
/**********************************************************/
union ta_ras_cmd_input {
	struct ta_ras_init_flags		init_flags;
	struct ta_ras_enable_features_input	enable_features;
	struct ta_ras_disable_features_input	disable_features;
	struct ta_ras_trigger_error_input	trigger_error;
	struct ta_ras_query_address_input	address;

	uint32_t reserve_pad[256];
};

union ta_ras_cmd_output {
	struct ta_ras_output_flags flags;
	struct ta_ras_query_address_output address;

	uint32_t reserve_pad[256];
};

/* Shared Memory structures */
/**********************************************************/
struct ta_ras_shared_memory {
	uint32_t		    cmd_id;
	uint32_t		    resp_id;
	uint32_t	    	    ras_status;
	uint32_t		    if_version;
	union ta_ras_cmd_input	    ras_in_message;
	union ta_ras_cmd_output     ras_out_message;
};

Annotation

Implementation Notes