New upstream version 0.7.2

[mirror_zfs-debian.git] / include / linux / simd_aarch64.h

diff --git a/include/linux/simd_aarch64.h b/include/linux/simd_aarch64.h
new file mode 100644 (file)
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+++ b/include/linux/simd_aarch64.h
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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (C) 2016 Romain Dolbeau <romain@dolbeau.org>.
+ */
+
+/*
+ * USER API:
+ *
+ * Kernel fpu methods:
+ *     kfpu_begin()
+ *     kfpu_end()
+ */
+
+#ifndef _SIMD_AARCH64_H
+#define        _SIMD_AARCH64_H
+
+#include <sys/isa_defs.h>
+
+#if defined(__aarch64__)
+
+#include <sys/types.h>
+
+#if defined(_KERNEL)
+#include <asm/neon.h>
+#define        kfpu_begin()            \
+{                                      \
+       kernel_neon_begin();            \
+}
+#define        kfpu_end()                      \
+{                                      \
+       kernel_neon_end();              \
+}
+#else
+/*
+ * fpu dummy methods for userspace
+ */
+#define        kfpu_begin()    do {} while (0)
+#define        kfpu_end()              do {} while (0)
+#endif /* defined(_KERNEL) */
+
+#endif /* __aarch64__ */
+
+#endif /* _SIMD_AARCH64_H */