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authorCornelia Huck <cohuck@redhat.com>2019-05-16 19:10:36 +0200
committerCornelia Huck <cohuck@redhat.com>2019-05-21 16:58:56 +0200
commitd9cb4336159a00bd0d9c81b93f02874ef3626057 (patch)
tree6dfe5b09d5793559c20bcfd0729560e33150ad9c /linux-headers/asm-arm64/sve_context.h
parentb1b9e0dc78a8e98704c2ff255b3b18aed44e8d78 (diff)
linux headers: update against Linux 5.2-rc1
commit a188339ca5a396acc588e5851ed7e19f66b0ebd9 Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'linux-headers/asm-arm64/sve_context.h')
-rw-r--r--linux-headers/asm-arm64/sve_context.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/linux-headers/asm-arm64/sve_context.h b/linux-headers/asm-arm64/sve_context.h
new file mode 100644
index 0000000000..1d0e3e1d09
--- /dev/null
+++ b/linux-headers/asm-arm64/sve_context.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* Copyright (C) 2017-2018 ARM Limited */
+
+/*
+ * For use by other UAPI headers only.
+ * Do not make direct use of header or its definitions.
+ */
+
+#ifndef __ASM_SVE_CONTEXT_H
+#define __ASM_SVE_CONTEXT_H
+
+#include <linux/types.h>
+
+#define __SVE_VQ_BYTES 16 /* number of bytes per quadword */
+
+#define __SVE_VQ_MIN 1
+#define __SVE_VQ_MAX 512
+
+#define __SVE_VL_MIN (__SVE_VQ_MIN * __SVE_VQ_BYTES)
+#define __SVE_VL_MAX (__SVE_VQ_MAX * __SVE_VQ_BYTES)
+
+#define __SVE_NUM_ZREGS 32
+#define __SVE_NUM_PREGS 16
+
+#define __sve_vl_valid(vl) \
+ ((vl) % __SVE_VQ_BYTES == 0 && \
+ (vl) >= __SVE_VL_MIN && \
+ (vl) <= __SVE_VL_MAX)
+
+#define __sve_vq_from_vl(vl) ((vl) / __SVE_VQ_BYTES)
+#define __sve_vl_from_vq(vq) ((vq) * __SVE_VQ_BYTES)
+
+#define __SVE_ZREG_SIZE(vq) ((__u32)(vq) * __SVE_VQ_BYTES)
+#define __SVE_PREG_SIZE(vq) ((__u32)(vq) * (__SVE_VQ_BYTES / 8))
+#define __SVE_FFR_SIZE(vq) __SVE_PREG_SIZE(vq)
+
+#define __SVE_ZREGS_OFFSET 0
+#define __SVE_ZREG_OFFSET(vq, n) \
+ (__SVE_ZREGS_OFFSET + __SVE_ZREG_SIZE(vq) * (n))
+#define __SVE_ZREGS_SIZE(vq) \
+ (__SVE_ZREG_OFFSET(vq, __SVE_NUM_ZREGS) - __SVE_ZREGS_OFFSET)
+
+#define __SVE_PREGS_OFFSET(vq) \
+ (__SVE_ZREGS_OFFSET + __SVE_ZREGS_SIZE(vq))
+#define __SVE_PREG_OFFSET(vq, n) \
+ (__SVE_PREGS_OFFSET(vq) + __SVE_PREG_SIZE(vq) * (n))
+#define __SVE_PREGS_SIZE(vq) \
+ (__SVE_PREG_OFFSET(vq, __SVE_NUM_PREGS) - __SVE_PREGS_OFFSET(vq))
+
+#define __SVE_FFR_OFFSET(vq) \
+ (__SVE_PREGS_OFFSET(vq) + __SVE_PREGS_SIZE(vq))
+
+#endif /* ! _UAPI__ASM_SVE_CONTEXT_H */