Contributors: 25
Author Tokens Token Proportion Commits Commit Proportion
Eric W. Biedermann 39 24.68% 1 4.00%
Maximilian Attems 19 12.03% 1 4.00%
Vivek Goyal 12 7.59% 1 4.00%
David Howells 11 6.96% 1 4.00%
Nicolas Schichan 8 5.06% 1 4.00%
Brian Mak 5 3.16% 1 4.00%
Baoquan He 4 2.53% 1 4.00%
Eric DeVolder 4 2.53% 1 4.00%
Alexander Graf 4 2.53% 1 4.00%
Sourabh Jain 4 2.53% 1 4.00%
Sven Schnelle 4 2.53% 1 4.00%
Huacai Chen 4 2.53% 1 4.00%
Nick Kossifidis 4 2.53% 1 4.00%
kogiidena 4 2.53% 1 4.00%
Heiko Carstens 4 2.53% 1 4.00%
Geert Uytterhoeven 4 2.53% 1 4.00%
Huang Ying 4 2.53% 1 4.00%
Richard Purdie 4 2.53% 1 4.00%
Geoff Levand 4 2.53% 1 4.00%
Andi Kleen 3 1.90% 1 4.00%
Andrey Panin 3 1.90% 1 4.00%
Linus Torvalds (pre-git) 2 1.27% 1 4.00%
Masahiro Yamada 2 1.27% 1 4.00%
Andrew Morton 1 0.63% 1 4.00%
Greg Kroah-Hartman 1 0.63% 1 4.00%
Total 158 25 


/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPILINUX_KEXEC_H
#define _UAPILINUX_KEXEC_H

/* kexec system call -  It loads the new kernel to boot into.
 * kexec does not sync, or unmount filesystems so if you need
 * that to happen you need to do that yourself.
 */

#include <linux/types.h>

/* kexec flags for different usage scenarios */
#define KEXEC_ON_CRASH		0x00000001
#define KEXEC_PRESERVE_CONTEXT	0x00000002
#define KEXEC_UPDATE_ELFCOREHDR	0x00000004
#define KEXEC_CRASH_HOTPLUG_SUPPORT 0x00000008
#define KEXEC_ARCH_MASK		0xffff0000

/*
 * Kexec file load interface flags.
 * KEXEC_FILE_UNLOAD : Unload already loaded kexec/kdump image.
 * KEXEC_FILE_ON_CRASH : Load/unload operation belongs to kdump image.
 * KEXEC_FILE_NO_INITRAMFS : No initramfs is being loaded. Ignore the initrd
 *                           fd field.
 * KEXEC_FILE_FORCE_DTB : Force carrying over the current boot's DTB to the new
 *                        kernel on x86. This is already the default behavior on
 *                        some other architectures, like ARM64 and PowerPC.
 */
#define KEXEC_FILE_UNLOAD	0x00000001
#define KEXEC_FILE_ON_CRASH	0x00000002
#define KEXEC_FILE_NO_INITRAMFS	0x00000004
#define KEXEC_FILE_DEBUG	0x00000008
#define KEXEC_FILE_NO_CMA	0x00000010
#define KEXEC_FILE_FORCE_DTB	0x00000020

/* These values match the ELF architecture values.
 * Unless there is a good reason that should continue to be the case.
 */
#define KEXEC_ARCH_DEFAULT ( 0 << 16)
#define KEXEC_ARCH_386     ( 3 << 16)
#define KEXEC_ARCH_68K     ( 4 << 16)
#define KEXEC_ARCH_PARISC  (15 << 16)
#define KEXEC_ARCH_X86_64  (62 << 16)
#define KEXEC_ARCH_PPC     (20 << 16)
#define KEXEC_ARCH_PPC64   (21 << 16)
#define KEXEC_ARCH_IA_64   (50 << 16)
#define KEXEC_ARCH_ARM     (40 << 16)
#define KEXEC_ARCH_S390    (22 << 16)
#define KEXEC_ARCH_SH      (42 << 16)
#define KEXEC_ARCH_MIPS_LE (10 << 16)
#define KEXEC_ARCH_MIPS    ( 8 << 16)
#define KEXEC_ARCH_AARCH64 (183 << 16)
#define KEXEC_ARCH_RISCV   (243 << 16)
#define KEXEC_ARCH_LOONGARCH	(258 << 16)

/* The artificial cap on the number of segments passed to kexec_load. */
#define KEXEC_SEGMENT_MAX 16

#ifndef __KERNEL__
/*
 * This structure is used to hold the arguments that are used when
 * loading  kernel binaries.
 */
struct kexec_segment {
	const void *buf;
	__kernel_size_t bufsz;
	const void *mem;
	__kernel_size_t memsz;
};

#endif /* __KERNEL__ */

#endif /* _UAPILINUX_KEXEC_H */