mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-29 20:39:35 +03:00
589143c225
These are added: - zfs_neon_available() for arm and aarch64 - zfs_sha256_available() for arm and aarch64 - zfs_sha512_available() for aarch64 - zfs_shani_available() for x86_64 Changes: - simd_powerpc.h: change license from CDDL to BSD Tested-by: Rich Ercolani <rincebrain@gmail.com> Tested-by: Sebastian Gottschall <s.gottschall@dd-wrt.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13741
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
|
|
* Copyright (C) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* SIMD support:
|
|
*
|
|
* Following functions should be called to determine whether CPU feature
|
|
* is supported. All functions are usable in kernel and user space.
|
|
* If a SIMD algorithm is using more than one instruction set
|
|
* all relevant feature test functions should be called.
|
|
*
|
|
* Supported features:
|
|
* zfs_neon_available()
|
|
* zfs_sha256_available()
|
|
* zfs_sha512_available()
|
|
*/
|
|
|
|
#ifndef _FREEBSD_SIMD_AARCH64_H
|
|
#define _FREEBSD_SIMD_AARCH64_H
|
|
|
|
#include <sys/types.h>
|
|
#include <machine/elf.h>
|
|
|
|
#define kfpu_allowed() 1
|
|
#define kfpu_initialize(tsk) do {} while (0)
|
|
#define kfpu_begin() do {} while (0)
|
|
#define kfpu_end() do {} while (0)
|
|
#define kfpu_init() (0)
|
|
#define kfpu_fini() do {} while (0)
|
|
|
|
/*
|
|
* Check if NEON is available
|
|
*/
|
|
static inline boolean_t
|
|
zfs_neon_available(void)
|
|
{
|
|
return (elf_hwcap & HWCAP_FP);
|
|
}
|
|
|
|
/*
|
|
* Check if SHA256 is available
|
|
*/
|
|
static inline boolean_t
|
|
zfs_sha256_available(void)
|
|
{
|
|
return (elf_hwcap & HWCAP_SHA2);
|
|
}
|
|
|
|
/*
|
|
* Check if SHA512 is available
|
|
*/
|
|
static inline boolean_t
|
|
zfs_sha512_available(void)
|
|
{
|
|
return (elf_hwcap & HWCAP_SHA512);
|
|
}
|
|
|
|
#endif /* _FREEBSD_SIMD_AARCH64_H */
|