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xor: split xor.h

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Keep xor.h for the public API, and split the struct xor_block_template
definition that is only needed by the xor.ko core and
architecture-specific optimizations into a separate xor_impl.h header.

Link: https://lkml.kernel.org/r/20260327061704.3707577-9-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Tested-by: Eric Biggers <ebiggers@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Borislav Petkov (AMD)" <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: David Sterba <dsterba@suse.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason A. Donenfeld <jason@zx2c4.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Li Nan <linan122@huawei.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Magnus Lindholm <linmag7@gmail.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Song Liu <song@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Ted Ts'o <tytso@mit.edu>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Christoph Hellwig
2026-03-27 07:16:40 +01:00
committed by Andrew Morton
parent 0471415f3f
commit 54e20be48f
6 changed files with 30 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/lib/xor-neon.c
View File

@@ -6,6 +6,7 @@
*/
#include <linux/raid/xor.h>
#include <linux/raid/xor_impl.h>
#include <linux/module.h>
MODULE_DESCRIPTION("NEON accelerated XOR implementation");

1
arch/arm64/lib/xor-neon.c
View File

@@ -7,6 +7,7 @@
*/
#include <linux/raid/xor.h>
#include <linux/raid/xor_impl.h>
#include <linux/module.h>
#include <asm/neon-intrinsics.h>

2
arch/s390/lib/xor.c
View File

@@ -8,7 +8,7 @@
#include <linux/types.h>
#include <linux/export.h>
#include <linux/raid/xor.h>
#include <linux/raid/xor_impl.h>
#include <asm/xor.h>
static void xor_xc_2(unsigned long bytes, unsigned long * __restrict p1,

22
include/linux/raid/xor.h
View File

@@ -7,24 +7,4 @@
extern void xor_blocks(unsigned int count, unsigned int bytes,
void *dest, void **srcs);
struct xor_block_template {
struct xor_block_template *next;
const char *name;
int speed;
void (*do_2)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict);
void (*do_3)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict);
void (*do_4)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict);
void (*do_5)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict);
};
#endif
#endif /* _XOR_H */

25
include/linux/raid/xor_impl.h Normal file
View File

@@ -0,0 +1,25 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _XOR_IMPL_H
#define _XOR_IMPL_H
struct xor_block_template {
struct xor_block_template *next;
const char *name;
int speed;
void (*do_2)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict);
void (*do_3)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict);
void (*do_4)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict);
void (*do_5)(unsigned long, unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict,
const unsigned long * __restrict);
};
#endif /* _XOR_IMPL_H */

1
lib/raid/xor/xor-core.c
View File

@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/gfp.h>
#include <linux/raid/xor.h>
#include <linux/raid/xor_impl.h>
#include <linux/jiffies.h>
#include <linux/preempt.h>
#include <asm/xor.h>