powerpc/lib/xor_vmx_glue.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Altivec XOR operations
0004  *
0005  * Copyright 2017 IBM Corp.
0006  */
0007
0008 #include <linux/preempt.h>
0009 #include <linux/export.h>
0010 #include <linux/sched.h>
0011 #include <asm/switch_to.h>
0012 #include <asm/xor_altivec.h>
0013 #include "xor_vmx.h"
0014
0015 void xor_altivec_2(unsigned long bytes, unsigned long * __restrict p1,
0016            const unsigned long * __restrict p2)
0017 {
0018     preempt_disable();
0019     enable_kernel_altivec();
0020     __xor_altivec_2(bytes, p1, p2);
0021     disable_kernel_altivec();
0022     preempt_enable();
0023 }
0024 EXPORT_SYMBOL(xor_altivec_2);
0025
0026 void xor_altivec_3(unsigned long bytes, unsigned long * __restrict p1,
0027            const unsigned long * __restrict p2,
0028            const unsigned long * __restrict p3)
0029 {
0030     preempt_disable();
0031     enable_kernel_altivec();
0032     __xor_altivec_3(bytes, p1, p2, p3);
0033     disable_kernel_altivec();
0034     preempt_enable();
0035 }
0036 EXPORT_SYMBOL(xor_altivec_3);
0037
0038 void xor_altivec_4(unsigned long bytes, unsigned long * __restrict p1,
0039            const unsigned long * __restrict p2,
0040            const unsigned long * __restrict p3,
0041            const unsigned long * __restrict p4)
0042 {
0043     preempt_disable();
0044     enable_kernel_altivec();
0045     __xor_altivec_4(bytes, p1, p2, p3, p4);
0046     disable_kernel_altivec();
0047     preempt_enable();
0048 }
0049 EXPORT_SYMBOL(xor_altivec_4);
0050
0051 void xor_altivec_5(unsigned long bytes, unsigned long * __restrict p1,
0052            const unsigned long * __restrict p2,
0053            const unsigned long * __restrict p3,
0054            const unsigned long * __restrict p4,
0055            const unsigned long * __restrict p5)
0056 {
0057     preempt_disable();
0058     enable_kernel_altivec();
0059     __xor_altivec_5(bytes, p1, p2, p3, p4, p5);
0060     disable_kernel_altivec();
0061     preempt_enable();
0062 }
0063 EXPORT_SYMBOL(xor_altivec_5);