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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

kexec.h (2097B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef LINUX_KEXEC_H
  3. #define LINUX_KEXEC_H
  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.  */
  10. #include <linux/types.h>
  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_CRASH_HOTPLUG_SUPPORT 0x00000008
  17. #define KEXEC_ARCH_MASK		0xffff0000
  19. /*
  20.  * Kexec file load interface flags.
  21.  * KEXEC_FILE_UNLOAD : Unload already loaded kexec/kdump image.
  22.  * KEXEC_FILE_ON_CRASH : Load/unload operation belongs to kdump image.
  23.  * KEXEC_FILE_NO_INITRAMFS : No initramfs is being loaded. Ignore the initrd
  24.  *                           fd field.
  25.  */
  26. #define KEXEC_FILE_UNLOAD	0x00000001
  27. #define KEXEC_FILE_ON_CRASH	0x00000002
  28. #define KEXEC_FILE_NO_INITRAMFS	0x00000004
  29. #define KEXEC_FILE_DEBUG	0x00000008
  31. /* These values match the ELF architecture values.
  32.  * Unless there is a good reason that should continue to be the case.
  33.  */
  34. #define KEXEC_ARCH_DEFAULT ( 0 << 16)
  35. #define KEXEC_ARCH_386     ( 3 << 16)
  36. #define KEXEC_ARCH_68K     ( 4 << 16)
  37. #define KEXEC_ARCH_PARISC  (15 << 16)
  38. #define KEXEC_ARCH_X86_64  (62 << 16)
  39. #define KEXEC_ARCH_PPC     (20 << 16)
  40. #define KEXEC_ARCH_PPC64   (21 << 16)
  41. #define KEXEC_ARCH_IA_64   (50 << 16)
  42. #define KEXEC_ARCH_ARM     (40 << 16)
  43. #define KEXEC_ARCH_S390    (22 << 16)
  44. #define KEXEC_ARCH_SH      (42 << 16)
  45. #define KEXEC_ARCH_MIPS_LE (10 << 16)
  46. #define KEXEC_ARCH_MIPS    ( 8 << 16)
  47. #define KEXEC_ARCH_AARCH64 (183 << 16)
  48. #define KEXEC_ARCH_RISCV   (243 << 16)
  49. #define KEXEC_ARCH_LOONGARCH	(258 << 16)
  51. /* The artificial cap on the number of segments passed to kexec_load. */
  52. #define KEXEC_SEGMENT_MAX 16
  54. /*
  55.  * This structure is used to hold the arguments that are used when
  56.  * loading  kernel binaries.
  57.  */
  58. struct kexec_segment {
  59. 	const void *buf;
  60. 	__kernel_size_t bufsz;
  61. 	const void *mem;
  62. 	__kernel_size_t memsz;
  63. };
  66. #endif /* LINUX_KEXEC_H */