kexec.h 1.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _ASM_IA64_KEXEC_H
  3. #define _ASM_IA64_KEXEC_H
  4. #include <asm/setup.h>
  5. /* Maximum physical address we can use pages from */
  6. #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
  7. /* Maximum address we can reach in physical address mode */
  8. #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
  9. /* Maximum address we can use for the control code buffer */
  10. #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
  11. #define KEXEC_CONTROL_PAGE_SIZE (8192 + 8192 + 4096)
  12. /* The native architecture */
  13. #define KEXEC_ARCH KEXEC_ARCH_IA_64
  14. #define kexec_flush_icache_page(page) do { \
  15. unsigned long page_addr = (unsigned long)page_address(page); \
  16. flush_icache_range(page_addr, page_addr + PAGE_SIZE); \
  17. } while(0)
  18. extern struct kimage *ia64_kimage;
  19. extern const unsigned int relocate_new_kernel_size;
  20. extern void relocate_new_kernel(unsigned long, unsigned long,
  21. struct ia64_boot_param *, unsigned long);
  22. static inline void
  23. crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs)
  24. {
  25. }
  26. extern struct resource efi_memmap_res;
  27. extern struct resource boot_param_res;
  28. extern void kdump_smp_send_stop(void);
  29. extern void kdump_smp_send_init(void);
  30. extern void kexec_disable_iosapic(void);
  31. extern void crash_save_this_cpu(void);
  32. struct rsvd_region;
  33. extern unsigned long kdump_find_rsvd_region(unsigned long size,
  34. struct rsvd_region *rsvd_regions, int n);
  35. extern void kdump_cpu_freeze(struct unw_frame_info *info, void *arg);
  36. extern int kdump_status[];
  37. extern atomic_t kdump_cpu_freezed;
  38. extern atomic_t kdump_in_progress;
  39. #endif /* _ASM_IA64_KEXEC_H */