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 15 void xor_altivec_2(unsigned long bytes, unsigned long * __restrict p1, 16 const unsigned long * __restrict p2) 17 { 18 preempt_disable(); 19 enable_kernel_altivec(); 20 __xor_altivec_2(bytes, p1, p2); 21 disable_kernel_altivec(); 22 preempt_enable(); 23 } 24 EXPORT_SYMBOL(xor_altivec_2); 25 26 void xor_altivec_3(unsigned long bytes, unsigned long * __restrict p1, 27 const unsigned long * __restrict p2, 28 const unsigned long * __restrict p3) 29 { 30 preempt_disable(); 31 enable_kernel_altivec(); 32 __xor_altivec_3(bytes, p1, p2, p3); 33 disable_kernel_altivec(); 34 preempt_enable(); 35 } 36 EXPORT_SYMBOL(xor_altivec_3); 37 38 void xor_altivec_4(unsigned long bytes, unsigned long * __restrict p1, 39 const unsigned long * __restrict p2, 40 const unsigned long * __restrict p3, 41 const unsigned long * __restrict p4) 42 { 43 preempt_disable(); 44 enable_kernel_altivec(); 45 __xor_altivec_4(bytes, p1, p2, p3, p4); 46 disable_kernel_altivec(); 47 preempt_enable(); 48 } 49 EXPORT_SYMBOL(xor_altivec_4); 50 51 void xor_altivec_5(unsigned long bytes, unsigned long * __restrict p1, 52 const unsigned long * __restrict p2, 53 const unsigned long * __restrict p3, 54 const unsigned long * __restrict p4, 55 const unsigned long * __restrict p5) 56 { 57 preempt_disable(); 58 enable_kernel_altivec(); 59 __xor_altivec_5(bytes, p1, p2, p3, p4, p5); 60 disable_kernel_altivec(); 61 preempt_enable(); 62 } 63 EXPORT_SYMBOL(xor_altivec_5); 64