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/usr/src/linux-headers-5.15.0-190/arch/powerpc/include/uapi/asm/

/usr/src/linux-headers-5.15.0-190/arch/powerpc/include/uapi/asm

Name	Size	Mode	Actions
auxvec.h	1774	0644	edit dl rm
bitsperlong.h	312	0644	edit dl rm
bootx.h	4417	0644	edit dl rm
byteorder.h	550	0644	edit dl rm
cputable.h	2399	0644	edit dl rm
eeh.h	2233	0644	edit dl rm
elf.h	13356	0644	edit dl rm
epapr_hcalls.h	4274	0644	edit dl rm
errno.h	278	0644	edit dl rm
fcntl.h	367	0644	edit dl rm
ioctl.h	302	0644	edit dl rm
ioctls.h	4359	0644	edit dl rm
ipcbuf.h	1057	0644	edit dl rm
Kbuild	89	0644	edit dl rm
kvm.h	24887	0644	edit dl rm
kvm_para.h	2793	0644	edit dl rm
mman.h	1294	0644	edit dl rm
msgbuf.h	1159	0644	edit dl rm
nvram.h	2077	0644	edit dl rm
opal-prd.h	1782	0644	edit dl rm
papr_pdsm.h	5287	0644	edit dl rm
perf_event.h	565	0644	edit dl rm
perf_regs.h	2343	0644	edit dl rm
posix_types.h	594	0644	edit dl rm
ps3fb.h	1781	0644	edit dl rm
ptrace.h	7787	0644	edit dl rm
sembuf.h	1144	0644	edit dl rm
setup.h	203	0644	edit dl rm
shmbuf.h	1661	0644	edit dl rm
sigcontext.h	4444	0644	edit dl rm
signal.h	2504	0644	edit dl rm
socket.h	600	0644	edit dl rm
spu_info.h	832	0644	edit dl rm
stat.h	2318	0644	edit dl rm
swab.h	602	0644	edit dl rm
termbits.h	5224	0644	edit dl rm
termios.h	1712	0644	edit dl rm
tm.h	734	0644	edit dl rm
types.h	1319	0644	edit dl rm
ucontext.h	975	0644	edit dl rm
unistd.h	577	0644	edit dl rm
vas-api.h	664	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/powerpc/include/uapi/asm/opal-prd.h (1782B)

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * OPAL Runtime Diagnostics interface driver
 * Supported on POWERNV platform
 *
 * (C) Copyright IBM 2015
 *
 * Author: Vaidyanathan Srinivasan <svaidy at linux.vnet.ibm.com>
 * Author: Jeremy Kerr <jk@ozlabs.org>
 *
 * 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, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef _UAPI_ASM_POWERPC_OPAL_PRD_H_
#define _UAPI_ASM_POWERPC_OPAL_PRD_H_

#include <linux/types.h>

/**
 * The version of the kernel interface of the PRD system. This describes the
 * interface available for the /dev/opal-prd device. The actual PRD message
 * layout and content is private to the firmware <--> userspace interface, so
 * is not covered by this versioning.
 *
 * Future interface versions are backwards-compatible; if a later kernel
 * version is encountered, functionality provided in earlier versions
 * will work.
 */
#define OPAL_PRD_KERNEL_VERSION		1

#define OPAL_PRD_GET_INFO		_IOR('o', 0x01, struct opal_prd_info)
#define OPAL_PRD_SCOM_READ		_IOR('o', 0x02, struct opal_prd_scom)
#define OPAL_PRD_SCOM_WRITE		_IOW('o', 0x03, struct opal_prd_scom)

#ifndef __ASSEMBLY__

struct opal_prd_info {
	__u64	version;
	__u64	reserved[3];
};

struct opal_prd_scom {
	__u64	chip;
	__u64	addr;
	__u64	data;
	__s64	rc;
};

#endif /* __ASSEMBLY__ */

#endif /* _UAPI_ASM_POWERPC_OPAL_PRD_H */

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