include/asm-generic/pci.h

File Facts

System

Linux kernel

Corpus path

include/asm-generic/pci.h

Extension

.h

Size

655 bytes

Lines

31

Domain

Repository Root And Misc

Bucket

include

Inferred role

Repository Root And Misc: implementation source

Status

source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

• Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

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

Detected Declarations

• function pci_proc_domain

Annotated Snippet

#ifndef __ASM_GENERIC_PCI_H
#define __ASM_GENERIC_PCI_H

#ifndef PCIBIOS_MIN_IO
#define PCIBIOS_MIN_IO		0
#endif

#ifndef PCIBIOS_MIN_MEM
#define PCIBIOS_MIN_MEM		0
#endif

#ifndef pcibios_assign_all_busses
/* For bootloaders that do not initialize the PCI bus */
#define pcibios_assign_all_busses() 1
#endif

/* Enable generic resource mapping code in drivers/pci/ */
#define ARCH_GENERIC_PCI_MMAP_RESOURCE

#ifdef CONFIG_PCI_DOMAINS
static inline int pci_proc_domain(struct pci_bus *bus)
{
	/* always show the domain in /proc */
	return 1;
}
#endif /* CONFIG_PCI_DOMAINS */

#endif /* __ASM_GENERIC_PCI_H */

Annotation

• Detected declarations: `function pci_proc_domain`.
• Atlas domain: Repository Root And Misc / include.
• 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.