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/* 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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Name Type Size Permission Actions
Kbuild File 211 B 0644
auxvec.h File 1.73 KB 0644
bitsperlong.h File 312 B 0644
bootx.h File 4.31 KB 0644
byteorder.h File 550 B 0644
cputable.h File 2.22 KB 0644
eeh.h File 2.18 KB 0644
elf.h File 12.99 KB 0644
epapr_hcalls.h File 4.17 KB 0644
errno.h File 278 B 0644
fcntl.h File 367 B 0644
ioctl.h File 302 B 0644
ioctls.h File 4.07 KB 0644
ipcbuf.h File 1.03 KB 0644
kvm.h File 22.22 KB 0644
kvm_para.h File 2.73 KB 0644
mman.h File 1.33 KB 0644
msgbuf.h File 1.02 KB 0644
nvram.h File 2.03 KB 0644
opal-prd.h File 1.74 KB 0644
perf_event.h File 565 B 0644
perf_regs.h File 1.2 KB 0644
posix_types.h File 738 B 0644
ps3fb.h File 1.74 KB 0644
ptrace.h File 7.4 KB 0644
sembuf.h File 1.07 KB 0644
setup.h File 203 B 0644
shmbuf.h File 1.61 KB 0644
sigcontext.h File 4.28 KB 0644
siginfo.h File 576 B 0644
signal.h File 3.27 KB 0644
socket.h File 592 B 0644
spu_info.h File 1.48 KB 0644
stat.h File 2.26 KB 0644
swab.h File 602 B 0644
termbits.h File 5.1 KB 0644
termios.h File 1.67 KB 0644
tm.h File 734 B 0644
types.h File 1.29 KB 0644
ucontext.h File 975 B 0644
unistd.h File 10.87 KB 0644