lib/crypto/arm64/sm3.h

Source file repositories/reference/linux-study-clean/lib/crypto/arm64/sm3.h

File Facts

System
Linux kernel
Corpus path
lib/crypto/arm64/sm3.h
Extension
.h
Size
1108 bytes
Lines
42
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.

Dependency Surface

Detected Declarations

Annotated Snippet

scoped_ksimd() {
			if (static_branch_likely(&have_ce))
				sm3_ce_transform(state, data, nblocks);
			else
				sm3_neon_transform(state, data, nblocks);
		}
	} else {
		sm3_blocks_generic(state, data, nblocks);
	}
}

#define sm3_mod_init_arch sm3_mod_init_arch
static void sm3_mod_init_arch(void)
{
	if (cpu_have_named_feature(ASIMD)) {
		static_branch_enable(&have_neon);
		if (cpu_have_named_feature(SM3))
			static_branch_enable(&have_ce);
	}
}

Annotation

Implementation Notes