lib/raid/raid6/loongarch/pq_arch.h

File Facts

System

Linux kernel

Corpus path

lib/raid/raid6/loongarch/pq_arch.h

Extension

.h

Size

732 bytes

Lines

24

Domain

Kernel Services

Bucket

lib

Inferred role

Kernel Services: implementation source

Status

source implementation candidate

Why This File Exists

Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.

• Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• asm/cpu-features.h

Detected Declarations

• function arch_raid6_init

Annotated Snippet

#include <asm/cpu-features.h>

extern const struct raid6_calls raid6_lsx;
extern const struct raid6_calls raid6_lasx;

extern const struct raid6_recov_calls raid6_recov_lsx;
extern const struct raid6_recov_calls raid6_recov_lasx;

static __always_inline void __init arch_raid6_init(void)
{
	raid6_algo_add_default();
	if (IS_ENABLED(CONFIG_CPU_HAS_LSX) && cpu_has_lsx)
		raid6_algo_add(&raid6_lsx);
	if (IS_ENABLED(CONFIG_CPU_HAS_LASX) && cpu_has_lasx)
		raid6_algo_add(&raid6_lasx);

	if (IS_ENABLED(CONFIG_CPU_HAS_LASX) && cpu_has_lasx)
		raid6_recov_algo_add(&raid6_recov_lasx);
	else if (IS_ENABLED(CONFIG_CPU_HAS_LSX) && cpu_has_lsx)
		raid6_recov_algo_add(&raid6_recov_lsx);
}

Annotation

• Immediate include surface: `asm/cpu-features.h`.
• Detected declarations: `function arch_raid6_init`.
• Atlas domain: Kernel Services / lib.
• 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.