samples/vfio-mdev/mdpy-defs.h

File Facts

System

Linux kernel

Corpus path

samples/vfio-mdev/mdpy-defs.h

Extension

.h

Size

763 bytes

Lines

23

Domain

Support Tooling And Documentation

Bucket

samples

Inferred role

Support Tooling And Documentation: implementation source

Status

source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

• Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

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

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#define MDPY_PCI_VENDOR_ID	PCI_VENDOR_ID_REDHAT
#define MDPY_PCI_DEVICE_ID	0x000f
#define MDPY_PCI_SUBVENDOR_ID	PCI_SUBVENDOR_ID_REDHAT_QUMRANET
#define MDPY_PCI_SUBDEVICE_ID	PCI_SUBDEVICE_ID_QEMU

/* pci cfg space offsets for fb config (dword) */
#define MDPY_VENDORCAP_OFFSET   0x40
#define MDPY_VENDORCAP_SIZE     0x10
#define MDPY_FORMAT_OFFSET	(MDPY_VENDORCAP_OFFSET + 0x04)
#define MDPY_WIDTH_OFFSET	(MDPY_VENDORCAP_OFFSET + 0x08)
#define MDPY_HEIGHT_OFFSET	(MDPY_VENDORCAP_OFFSET + 0x0c)

Annotation

• Atlas domain: Support Tooling And Documentation / samples.
• 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.