1 files changed, 55 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/hypfs.h b/arch/s390/include/uapi/asm/hypfs.h
new file mode 100644
index 000000000..fe6174e14
--- /dev/null
+++ b/arch/s390/include/uapi/asm/hypfs.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Structures for hypfs interface
+ *
+ * Copyright IBM Corp. 2013
+ *
+ * Author: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef _ASM_HYPFS_H
+#define _ASM_HYPFS_H
+
+#include <linux/types.h>
+
+/*
+ * IOCTL for binary interface /sys/kernel/debug/diag_304
+ */
+struct hypfs_diag304 {
+	__u32	args[2];
+	__u64	data;
+	__u64	rc;
+} __attribute__((packed));
+
+#define HYPFS_IOCTL_MAGIC 0x10
+
+#define HYPFS_DIAG304 \
+	_IOWR(HYPFS_IOCTL_MAGIC, 0x20, struct hypfs_diag304)
+
+/*
+ * Structures for binary interface /sys/kernel/debug/diag_0c
+ */
+struct hypfs_diag0c_hdr {
+	__u64	len;		/* Length of diag0c buffer without header */
+	__u16	version;	/* Version of header */
+	char	reserved1[6];	/* Reserved */
+	char	tod_ext[16];	/* TOD clock for diag0c */
+	__u64	count;		/* Number of entries (CPUs) in diag0c array */
+	char	reserved2[24];	/* Reserved */
+};
+
+struct hypfs_diag0c_entry {
+	char	date[8];	/* MM/DD/YY in EBCDIC */
+	char	time[8];	/* HH:MM:SS in EBCDIC */
+	__u64	virtcpu;	/* Virtual time consumed by the virt CPU (us) */
+	__u64	totalproc;	/* Total of virtual and simulation time (us) */
+	__u32	cpu;		/* Linux logical CPU number */
+	__u32	reserved;	/* Align to 8 byte */
+};
+
+struct hypfs_diag0c_data {
+	struct hypfs_diag0c_hdr		hdr;		/* 64 byte header */
+	struct hypfs_diag0c_entry	entry[];	/* diag0c entry array */
+};
+
+#endif