drivers/accel/amdxdna/aie4_msg_priv.h

Source file repositories/reference/linux-study-clean/drivers/accel/amdxdna/aie4_msg_priv.h

File Facts

System
Linux kernel
Corpus path
drivers/accel/amdxdna/aie4_msg_priv.h
Extension
.h
Size
3145 bytes
Lines
148
Domain
Driver Families
Bucket
drivers/accel
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 aie4_msg_suspend_req {
	__u32 rsvd;
} __packed;

struct aie4_msg_suspend_resp {
	enum aie4_msg_status status;
} __packed;

struct aie4_msg_create_vfs_req {
	__u32 vf_cnt;
} __packed;

struct aie4_msg_create_vfs_resp {
	enum aie4_msg_status status;
} __packed;

struct aie4_msg_destroy_vfs_req {
	__u32 rsvd;
} __packed;

struct aie4_msg_destroy_vfs_resp {
	enum aie4_msg_status status;
} __packed;

struct aie4_msg_create_partition_req {
	__u32 partition_col_start;
	__u32 partition_col_count;
} __packed;

struct aie4_msg_create_partition_resp {
	enum aie4_msg_status status;
	__u32 partition_id;
} __packed;

struct aie4_msg_destroy_partition_req {
	__u32 partition_id;
} __packed;

struct aie4_msg_destroy_partition_resp {
	enum aie4_msg_status status;
} __packed;

struct aie4_msg_create_hw_context_req {
	__u32 partition_id;
	__u32 request_num_tiles;
	__u32 hsa_addr_high;
	__u32 hsa_addr_low;
#define AIE4_MSG_PASID GENMASK(19, 0)
#define AIE4_MSG_PASID_VLD GENMASK(31, 31)
	__u32 pasid;
	__u32 priority_band;
} __packed;

struct aie4_msg_create_hw_context_resp {
	enum aie4_msg_status status;
	__u32 hw_context_id;
	__u32 doorbell_offset;
	__u32 job_complete_msix_idx;
} __packed;

struct aie4_msg_destroy_hw_context_req {
	__u32 hw_context_id;
	__u32 resvd1;
} __packed;

struct aie4_msg_destroy_hw_context_resp {
	enum aie4_msg_status status;
} __packed;

struct aie4_tile_info {
	__u32 size;
	__u16 major;
	__u16 minor;
	__u16 cols;
	__u16 rows;
	__u16 core_rows;
	__u16 mem_rows;
	__u16 shim_rows;
	__u16 core_row_start;
	__u16 mem_row_start;
	__u16 shim_row_start;
	__u16 core_dma_channels;
	__u16 mem_dma_channels;
	__u16 shim_dma_channels;
	__u16 core_locks;
	__u16 mem_locks;
	__u16 shim_locks;
	__u16 core_events;
	__u16 mem_events;
	__u16 shim_events;

Annotation

Implementation Notes