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/usr/src/linux-headers-5.15.0-181/arch/s390/include/uapi/asm/

/usr/src/linux-headers-5.15.0-181/arch/s390/include/uapi/asm

Name	Size	Mode	Actions
auxvec.h	214	0644	edit dl rm
bitsperlong.h	293	0644	edit dl rm
bpf_perf_event.h	250	0644	edit dl rm
byteorder.h	188	0644	edit dl rm
chpid.h	456	0644	edit dl rm
chsc.h	2903	0644	edit dl rm
clp.h	549	0644	edit dl rm
cmb.h	1919	0644	edit dl rm
dasd.h	12658	0644	edit dl rm
guarded_storage.h	1208	0644	edit dl rm
hwctrset.h	1689	0644	edit dl rm
hypfs.h	1382	0644	edit dl rm
ioctls.h	191	0644	edit dl rm
ipcbuf.h	770	0644	edit dl rm
ipl.h	3297	0644	edit dl rm
Kbuild	90	0644	edit dl rm
kvm.h	8269	0644	edit dl rm
kvm_para.h	224	0644	edit dl rm
kvm_perf.h	474	0644	edit dl rm
monwriter.h	939	0644	edit dl rm
perf_regs.h	887	0644	edit dl rm
pkey.h	20741	0644	edit dl rm
posix_types.h	1594	0644	edit dl rm
ptrace.h	11719	0644	edit dl rm
qeth.h	3119	0644	edit dl rm
runtime_instr.h	1424	0644	edit dl rm
schid.h	380	0644	edit dl rm
sclp_ctl.h	465	0644	edit dl rm
setup.h	256	0644	edit dl rm
sie.h	9469	0644	edit dl rm
sigcontext.h	1772	0644	edit dl rm
signal.h	3056	0644	edit dl rm
stat.h	2966	0644	edit dl rm
statfs.h	1058	0644	edit dl rm
sthyi.h	178	0644	edit dl rm
tape390.h	2830	0644	edit dl rm
termios.h	1170	0644	edit dl rm
types.h	525	0644	edit dl rm
ucontext.h	1207	0644	edit dl rm
unistd.h	326	0644	edit dl rm
uvdevice.h	1668	0644	edit dl rm
virtio-ccw.h	444	0644	edit dl rm
vmcp.h	737	0644	edit dl rm
vtoc.h	7539	0644	edit dl rm
zcrypt.h	11426	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/s390/include/uapi/asm/uvdevice.h (1668B)

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 *  Copyright IBM Corp. 2022
 *  Author(s): Steffen Eiden <seiden@linux.ibm.com>
 */
#ifndef __S390_ASM_UVDEVICE_H
#define __S390_ASM_UVDEVICE_H

#include <linux/types.h>

struct uvio_ioctl_cb {
	__u32 flags;
	__u16 uv_rc;			/* UV header rc value */
	__u16 uv_rrc;			/* UV header rrc value */
	__u64 argument_addr;		/* Userspace address of uvio argument */
	__u32 argument_len;
	__u8  reserved14[0x40 - 0x14];	/* must be zero */
};

#define UVIO_ATT_USER_DATA_LEN		0x100
#define UVIO_ATT_UID_LEN		0x10
struct uvio_attest {
	__u64 arcb_addr;				/* 0x0000 */
	__u64 meas_addr;				/* 0x0008 */
	__u64 add_data_addr;				/* 0x0010 */
	__u8  user_data[UVIO_ATT_USER_DATA_LEN];	/* 0x0018 */
	__u8  config_uid[UVIO_ATT_UID_LEN];		/* 0x0118 */
	__u32 arcb_len;					/* 0x0128 */
	__u32 meas_len;					/* 0x012c */
	__u32 add_data_len;				/* 0x0130 */
	__u16 user_data_len;				/* 0x0134 */
	__u16 reserved136;				/* 0x0136 */
};

/*
 * The following max values define an upper length for the IOCTL in/out buffers.
 * However, they do not represent the maximum the Ultravisor allows which is
 * often way smaller. By allowing larger buffer sizes we hopefully do not need
 * to update the code with every machine update. It is therefore possible for
 * userspace to request more memory than actually used by kernel/UV.
 */
#define UVIO_ATT_ARCB_MAX_LEN		0x100000
#define UVIO_ATT_MEASUREMENT_MAX_LEN	0x8000
#define UVIO_ATT_ADDITIONAL_MAX_LEN	0x8000

#define UVIO_DEVICE_NAME "uv"
#define UVIO_TYPE_UVC 'u'

#define UVIO_IOCTL_ATT _IOWR(UVIO_TYPE_UVC, 0x01, struct uvio_ioctl_cb)

#endif /* __S390_ASM_UVDEVICE_H */

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