Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPILINUX_KEXEC_H
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#define _UAPILINUX_KEXEC_H
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/* kexec system call - It loads the new kernel to boot into.
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* kexec does not sync, or unmount filesystems so if you need
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* that to happen you need to do that yourself.
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*/
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#include <linux/types.h>
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/* kexec flags for different usage scenarios */
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#define KEXEC_ON_CRASH 0x00000001
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#define KEXEC_PRESERVE_CONTEXT 0x00000002
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#define KEXEC_UPDATE_ELFCOREHDR 0x00000004
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#define KEXEC_CRASH_HOTPLUG_SUPPORT 0x00000008
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#define KEXEC_ARCH_MASK 0xffff0000
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/*
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* Kexec file load interface flags.
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* KEXEC_FILE_UNLOAD : Unload already loaded kexec/kdump image.
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* KEXEC_FILE_ON_CRASH : Load/unload operation belongs to kdump image.
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* KEXEC_FILE_NO_INITRAMFS : No initramfs is being loaded. Ignore the initrd
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* fd field.
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* KEXEC_FILE_FORCE_DTB : Force carrying over the current boot's DTB to the new
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* kernel on x86. This is already the default behavior on
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* some other architectures, like ARM64 and PowerPC.
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*/
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#define KEXEC_FILE_UNLOAD 0x00000001
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#define KEXEC_FILE_ON_CRASH 0x00000002
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#define KEXEC_FILE_NO_INITRAMFS 0x00000004
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#define KEXEC_FILE_DEBUG 0x00000008
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#define KEXEC_FILE_NO_CMA 0x00000010
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#define KEXEC_FILE_FORCE_DTB 0x00000020
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/* These values match the ELF architecture values.
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* Unless there is a good reason that should continue to be the case.
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*/
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#define KEXEC_ARCH_DEFAULT ( 0 << 16)
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#define KEXEC_ARCH_386 ( 3 << 16)
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#define KEXEC_ARCH_68K ( 4 << 16)
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#define KEXEC_ARCH_PARISC (15 << 16)
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#define KEXEC_ARCH_X86_64 (62 << 16)
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#define KEXEC_ARCH_PPC (20 << 16)
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#define KEXEC_ARCH_PPC64 (21 << 16)
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#define KEXEC_ARCH_IA_64 (50 << 16)
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#define KEXEC_ARCH_ARM (40 << 16)
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#define KEXEC_ARCH_S390 (22 << 16)
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#define KEXEC_ARCH_SH (42 << 16)
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#define KEXEC_ARCH_MIPS_LE (10 << 16)
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#define KEXEC_ARCH_MIPS ( 8 << 16)
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#define KEXEC_ARCH_AARCH64 (183 << 16)
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#define KEXEC_ARCH_RISCV (243 << 16)
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#define KEXEC_ARCH_LOONGARCH (258 << 16)
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/* The artificial cap on the number of segments passed to kexec_load. */
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#define KEXEC_SEGMENT_MAX 16
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#ifndef __KERNEL__
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/*
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* This structure is used to hold the arguments that are used when
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* loading kernel binaries.
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*/
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struct kexec_segment {
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const void *buf;
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__kernel_size_t bufsz;
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const void *mem;
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__kernel_size_t memsz;
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};
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#endif /* __KERNEL__ */
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#endif /* _UAPILINUX_KEXEC_H */
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