tools/testing/selftests/ublk/ublk_dep.h

File Facts

System

Linux kernel

Corpus path

tools/testing/selftests/ublk/ublk_dep.h

Extension

.h

Size

399 bytes

Lines

19

Domain

Support Tooling And Documentation

Bucket

tools

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.
• 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

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

Annotated Snippet

#ifndef UBLK_DEP_H
#define UBLK_DEP_H

#ifndef UBLK_U_IO_REGISTER_IO_BUF
#define	UBLK_U_IO_REGISTER_IO_BUF	\
	_IOWR('u', 0x23, struct ublksrv_io_cmd)
#define	UBLK_U_IO_UNREGISTER_IO_BUF	\
	_IOWR('u', 0x24, struct ublksrv_io_cmd)
#endif

#ifndef UBLK_F_USER_RECOVERY_FAIL_IO
#define UBLK_F_USER_RECOVERY_FAIL_IO (1ULL << 9)
#endif

#ifndef UBLK_F_ZONED
#define UBLK_F_ZONED (1ULL << 8)
#endif
#endif

Annotation

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