arch/loongarch/include/asm/pci.h

File Facts

System

Linux kernel

Corpus path

arch/loongarch/include/asm/pci.h

Extension

.h

Size

543 bytes

Lines

26

Domain

Architecture Layer

Bucket

arch/loongarch

Inferred role

Architecture Layer: implementation source

Status

source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

• CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

• linux/ioport.h
• linux/list.h
• linux/types.h
• asm/io.h
• asm-generic/pci.h

Detected Declarations

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

Annotated Snippet

#ifndef _ASM_PCI_H
#define _ASM_PCI_H

#include <linux/ioport.h>
#include <linux/list.h>
#include <linux/types.h>
#include <asm/io.h>

#define PCIBIOS_MIN_IO		0x4000
#define PCIBIOS_MIN_MEM		0x20000000
#define PCIBIOS_MIN_CARDBUS_IO	0x4000

#define HAVE_PCI_MMAP
#define pcibios_assign_all_busses()     0

extern phys_addr_t mcfg_addr_init(int node);

/* generic pci stuff */
#include <asm-generic/pci.h>

#endif /* _ASM_PCI_H */

Annotation

• Immediate include surface: `linux/ioport.h`, `linux/list.h`, `linux/types.h`, `asm/io.h`, `asm-generic/pci.h`.
• Atlas domain: Architecture Layer / arch/loongarch.
• 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.