1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Altivec XOR operations
4  *
5  * Copyright 2017 IBM Corp.
6  */
7 
8 #include <linux/preempt.h>
9 #include <linux/export.h>
10 #include <linux/sched.h>
11 #include <asm/switch_to.h>
12 #include <asm/xor_altivec.h>
13 #include "xor_vmx.h"
14 
xor_altivec_2(unsigned long bytes,unsigned long * v1_in,unsigned long * v2_in)15 void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
16 		   unsigned long *v2_in)
17 {
18 	preempt_disable();
19 	enable_kernel_altivec();
20 	__xor_altivec_2(bytes, v1_in, v2_in);
21 	disable_kernel_altivec();
22 	preempt_enable();
23 }
24 EXPORT_SYMBOL(xor_altivec_2);
25 
xor_altivec_3(unsigned long bytes,unsigned long * v1_in,unsigned long * v2_in,unsigned long * v3_in)26 void xor_altivec_3(unsigned long bytes,  unsigned long *v1_in,
27 		   unsigned long *v2_in, unsigned long *v3_in)
28 {
29 	preempt_disable();
30 	enable_kernel_altivec();
31 	__xor_altivec_3(bytes, v1_in, v2_in, v3_in);
32 	disable_kernel_altivec();
33 	preempt_enable();
34 }
35 EXPORT_SYMBOL(xor_altivec_3);
36 
xor_altivec_4(unsigned long bytes,unsigned long * v1_in,unsigned long * v2_in,unsigned long * v3_in,unsigned long * v4_in)37 void xor_altivec_4(unsigned long bytes,  unsigned long *v1_in,
38 		   unsigned long *v2_in, unsigned long *v3_in,
39 		   unsigned long *v4_in)
40 {
41 	preempt_disable();
42 	enable_kernel_altivec();
43 	__xor_altivec_4(bytes, v1_in, v2_in, v3_in, v4_in);
44 	disable_kernel_altivec();
45 	preempt_enable();
46 }
47 EXPORT_SYMBOL(xor_altivec_4);
48 
xor_altivec_5(unsigned long bytes,unsigned long * v1_in,unsigned long * v2_in,unsigned long * v3_in,unsigned long * v4_in,unsigned long * v5_in)49 void xor_altivec_5(unsigned long bytes,  unsigned long *v1_in,
50 		   unsigned long *v2_in, unsigned long *v3_in,
51 		   unsigned long *v4_in, unsigned long *v5_in)
52 {
53 	preempt_disable();
54 	enable_kernel_altivec();
55 	__xor_altivec_5(bytes, v1_in, v2_in, v3_in, v4_in, v5_in);
56 	disable_kernel_altivec();
57 	preempt_enable();
58 }
59 EXPORT_SYMBOL(xor_altivec_5);
60