cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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kexec.h (2029B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _UAPILINUX_KEXEC_H
      3#define _UAPILINUX_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_ARCH_MASK		0xffff0000
     16
     17/*
     18 * Kexec file load interface flags.
     19 * KEXEC_FILE_UNLOAD : Unload already loaded kexec/kdump image.
     20 * KEXEC_FILE_ON_CRASH : Load/unload operation belongs to kdump image.
     21 * KEXEC_FILE_NO_INITRAMFS : No initramfs is being loaded. Ignore the initrd
     22 *                           fd field.
     23 */
     24#define KEXEC_FILE_UNLOAD	0x00000001
     25#define KEXEC_FILE_ON_CRASH	0x00000002
     26#define KEXEC_FILE_NO_INITRAMFS	0x00000004
     27
     28/* These values match the ELF architecture values.
     29 * Unless there is a good reason that should continue to be the case.
     30 */
     31#define KEXEC_ARCH_DEFAULT ( 0 << 16)
     32#define KEXEC_ARCH_386     ( 3 << 16)
     33#define KEXEC_ARCH_68K     ( 4 << 16)
     34#define KEXEC_ARCH_PARISC  (15 << 16)
     35#define KEXEC_ARCH_X86_64  (62 << 16)
     36#define KEXEC_ARCH_PPC     (20 << 16)
     37#define KEXEC_ARCH_PPC64   (21 << 16)
     38#define KEXEC_ARCH_IA_64   (50 << 16)
     39#define KEXEC_ARCH_ARM     (40 << 16)
     40#define KEXEC_ARCH_S390    (22 << 16)
     41#define KEXEC_ARCH_SH      (42 << 16)
     42#define KEXEC_ARCH_MIPS_LE (10 << 16)
     43#define KEXEC_ARCH_MIPS    ( 8 << 16)
     44#define KEXEC_ARCH_AARCH64 (183 << 16)
     45#define KEXEC_ARCH_RISCV   (243 << 16)
     46#define KEXEC_ARCH_LOONGARCH	(258 << 16)
     47
     48/* The artificial cap on the number of segments passed to kexec_load. */
     49#define KEXEC_SEGMENT_MAX 16
     50
     51#ifndef __KERNEL__
     52/*
     53 * This structure is used to hold the arguments that are used when
     54 * loading  kernel binaries.
     55 */
     56struct kexec_segment {
     57	const void *buf;
     58	__kernel_size_t bufsz;
     59	const void *mem;
     60	__kernel_size_t memsz;
     61};
     62
     63#endif /* __KERNEL__ */
     64
     65#endif /* _UAPILINUX_KEXEC_H */