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Diffstat (limited to 'arch/powerpc/lib/xor_vmx_glue.c')
-rw-r--r--arch/powerpc/lib/xor_vmx_glue.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/powerpc/lib/xor_vmx_glue.c b/arch/powerpc/lib/xor_vmx_glue.c
new file mode 100644
index 000000000000..6521fe5e8cef
--- /dev/null
+++ b/arch/powerpc/lib/xor_vmx_glue.c
@@ -0,0 +1,62 @@
+/*
+ * Altivec XOR operations
+ *
+ * Copyright 2017 IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/preempt.h>
+#include <linux/export.h>
+#include <linux/sched.h>
+#include <asm/switch_to.h>
+#include "xor_vmx.h"
+
+void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
+ unsigned long *v2_in)
+{
+ preempt_disable();
+ enable_kernel_altivec();
+ __xor_altivec_2(bytes, v1_in, v2_in);
+ disable_kernel_altivec();
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_2);
+
+void xor_altivec_3(unsigned long bytes, unsigned long *v1_in,
+ unsigned long *v2_in, unsigned long *v3_in)
+{
+ preempt_disable();
+ enable_kernel_altivec();
+ __xor_altivec_3(bytes, v1_in, v2_in, v3_in);
+ disable_kernel_altivec();
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_3);
+
+void xor_altivec_4(unsigned long bytes, unsigned long *v1_in,
+ unsigned long *v2_in, unsigned long *v3_in,
+ unsigned long *v4_in)
+{
+ preempt_disable();
+ enable_kernel_altivec();
+ __xor_altivec_4(bytes, v1_in, v2_in, v3_in, v4_in);
+ disable_kernel_altivec();
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_4);
+
+void 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)
+{
+ preempt_disable();
+ enable_kernel_altivec();
+ __xor_altivec_5(bytes, v1_in, v2_in, v3_in, v4_in, v5_in);
+ disable_kernel_altivec();
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_5);