drivers/gpu/drm/amd/ras/rascore/ras_ta_if.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/ras/rascore/ras_ta_if.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/ras/rascore/ras_ta_if.h
Extension
.h
Size
6757 bytes
Lines
233
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 ras_ta_enable_features_input {
	enum ras_ta_block	block_id;
	enum ras_ta_error_type	error_type;
};

struct ras_ta_disable_features_input {
	enum ras_ta_block	block_id;
	enum ras_ta_error_type	error_type;
};

struct ras_ta_trigger_error_input {
	/* ras-block. i.e. umc, gfx */
	enum ras_ta_block block_id;

	/* type of error. i.e. single_correctable */
	enum ras_ta_error_type inject_error_type;

	/* mem block. i.e. hbm, sram etc. */
	uint32_t sub_block_index;

	/* explicit address of error */
	uint64_t address;

	/* method if error injection. i.e persistent, coherent etc. */
	uint64_t value;
};

struct ras_ta_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 ras_ta_mca_addr {
	uint64_t err_addr;
	uint32_t ch_inst;
	uint32_t umc_inst;
	uint32_t node_inst;
	uint32_t socket_id;
};

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

struct ras_ta_query_address_input {
	enum ras_ta_address_type addr_type;
	struct ras_ta_mca_addr ma;
	struct ras_ta_phy_addr pa;
};

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

struct ras_ta_query_address_output {
	/* don't use the flags here */
	struct ras_ta_output_flags flags;
	struct ras_ta_mca_addr ma;
	struct ras_ta_phy_addr pa;
};

/* Common input structure for RAS callbacks */
/**********************************************************/
union ras_ta_cmd_input {
	struct ras_ta_init_flags		init_flags;
	struct ras_ta_enable_features_input	enable_features;
	struct ras_ta_disable_features_input	disable_features;
	struct ras_ta_trigger_error_input	trigger_error;
	struct ras_ta_query_address_input	address;
	uint32_t reserve_pad[256];
};

union ras_ta_cmd_output {
	struct ras_ta_output_flags flags;
	struct ras_ta_query_address_output address;
	uint32_t reserve_pad[256];
};

struct ras_ta_cmd {
	uint32_t  cmd_id;
	uint32_t  resp_id;

Annotation

Implementation Notes