drivers/gpu/drm/xe/xe_sriov_packet.h

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/xe/xe_sriov_packet.h

Extension

.h

Size

1007 bytes

Lines

31

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

• linux/types.h

Detected Declarations

• struct xe_device
• struct xe_sriov_packet
• enum xe_sriov_packet_type

Annotated Snippet

#ifndef _XE_SRIOV_PACKET_H_
#define _XE_SRIOV_PACKET_H_

#include <linux/types.h>

struct xe_device;
struct xe_sriov_packet;
enum xe_sriov_packet_type;

struct xe_sriov_packet *xe_sriov_packet_alloc(struct xe_device *xe);
void xe_sriov_packet_free(struct xe_sriov_packet *data);

int xe_sriov_packet_init(struct xe_sriov_packet *data, u8 tile_id, u8 gt_id,
			 enum xe_sriov_packet_type, loff_t offset, size_t size);
int xe_sriov_packet_init_from_hdr(struct xe_sriov_packet *data);

ssize_t xe_sriov_packet_read_single(struct xe_device *xe, unsigned int vfid,
				    char __user *buf, size_t len);
ssize_t xe_sriov_packet_write_single(struct xe_device *xe, unsigned int vfid,
				     const char __user *buf, size_t len);
int xe_sriov_packet_save_init(struct xe_device *xe, unsigned int vfid);
int xe_sriov_packet_process_descriptor(struct xe_device *xe, unsigned int vfid,
				       struct xe_sriov_packet *data);

#endif

Annotation

• Immediate include surface: `linux/types.h`.
• Detected declarations: `struct xe_device`, `struct xe_sriov_packet`, `enum xe_sriov_packet_type`.
• 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.