The C and C++ Include Header Files

/usr/include/linux/kexec.h


$ cat -n /usr/include/linux/kexec.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef LINUX_KEXEC_H
     3	#define LINUX_KEXEC_H
     4	
     5	/* kexec system call -  It loads the new kernel to boot into.
     6	 * kexec does not sync, or unmount filesystems so if you need
     7	 * that to happen you need to do that yourself.
     8	 */
     9	
    10	#include <linux/types.h>
    11	
    12	/* kexec flags for different usage scenarios */
    13	#define KEXEC_ON_CRASH		0x00000001
    14	#define KEXEC_PRESERVE_CONTEXT	0x00000002
    15	#define KEXEC_UPDATE_ELFCOREHDR	0x00000004
    16	#define KEXEC_ARCH_MASK		0xffff0000
    17	
    18	/*
    19	 * Kexec file load interface flags.
    20	 * KEXEC_FILE_UNLOAD : Unload already loaded kexec/kdump image.
    21	 * KEXEC_FILE_ON_CRASH : Load/unload operation belongs to kdump image.
    22	 * KEXEC_FILE_NO_INITRAMFS : No initramfs is being loaded. Ignore the initrd
    23	 *                           fd field.
    24	 */
    25	#define KEXEC_FILE_UNLOAD	0x00000001
    26	#define KEXEC_FILE_ON_CRASH	0x00000002
    27	#define KEXEC_FILE_NO_INITRAMFS	0x00000004
    28	#define KEXEC_FILE_DEBUG	0x00000008
    29	
    30	/* These values match the ELF architecture values.
    31	 * Unless there is a good reason that should continue to be the case.
    32	 */
    33	#define KEXEC_ARCH_DEFAULT ( 0 << 16)
    34	#define KEXEC_ARCH_386     ( 3 << 16)
    35	#define KEXEC_ARCH_68K     ( 4 << 16)
    36	#define KEXEC_ARCH_PARISC  (15 << 16)
    37	#define KEXEC_ARCH_X86_64  (62 << 16)
    38	#define KEXEC_ARCH_PPC     (20 << 16)
    39	#define KEXEC_ARCH_PPC64   (21 << 16)
    40	#define KEXEC_ARCH_IA_64   (50 << 16)
    41	#define KEXEC_ARCH_ARM     (40 << 16)
    42	#define KEXEC_ARCH_S390    (22 << 16)
    43	#define KEXEC_ARCH_SH      (42 << 16)
    44	#define KEXEC_ARCH_MIPS_LE (10 << 16)
    45	#define KEXEC_ARCH_MIPS    ( 8 << 16)
    46	#define KEXEC_ARCH_AARCH64 (183 << 16)
    47	#define KEXEC_ARCH_RISCV   (243 << 16)
    48	#define KEXEC_ARCH_LOONGARCH	(258 << 16)
    49	
    50	/* The artificial cap on the number of segments passed to kexec_load. */
    51	#define KEXEC_SEGMENT_MAX 16
    52	
    53	/*
    54	 * This structure is used to hold the arguments that are used when
    55	 * loading  kernel binaries.
    56	 */
    57	struct kexec_segment {
    58		const void *buf;
    59		__kernel_size_t bufsz;
    60		const void *mem;
    61		__kernel_size_t memsz;
    62	};
    63	
    64	
    65	#endif /* LINUX_KEXEC_H */