| /* 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_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. |
| */ |
| #define KEXEC_FILE_UNLOAD 0x00000001 |
| #define KEXEC_FILE_ON_CRASH 0x00000002 |
| #define KEXEC_FILE_NO_INITRAMFS 0x00000004 |
| |
| /* 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 */ |