arch/ia64/include/asm/kexec.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_IA64_KEXEC_H
   3 #define _ASM_IA64_KEXEC_H
   4
   5 #include <asm/setup.h>
   6
   7 /* Maximum physical address we can use pages from */
   8 #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
   9 /* Maximum address we can reach in physical address mode */
  10 #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
  11 /* Maximum address we can use for the control code buffer */
  12 #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
  13
  14 #define KEXEC_CONTROL_PAGE_SIZE (8192 + 8192 + 4096)
  15
  16 /* The native architecture */
  17 #define KEXEC_ARCH KEXEC_ARCH_IA_64
  18
  19 #define kexec_flush_icache_page(page) do { \
  20                 unsigned long page_addr = (unsigned long)page_address(page); \
  21                 flush_icache_range(page_addr, page_addr + PAGE_SIZE); \
  22         } while(0)
  23
  24 extern struct kimage *ia64_kimage;
  25 extern const unsigned int relocate_new_kernel_size;
  26 extern void relocate_new_kernel(unsigned long, unsigned long,
  27                 struct ia64_boot_param *, unsigned long);
  28 static inline void
  29 crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs)
  30 {
  31 }
  32 extern struct resource efi_memmap_res;
  33 extern struct resource boot_param_res;
  34 extern void kdump_smp_send_stop(void);
  35 extern void kdump_smp_send_init(void);
  36 extern void kexec_disable_iosapic(void);
  37 extern void crash_save_this_cpu(void);
  38 struct rsvd_region;
  39 extern unsigned long kdump_find_rsvd_region(unsigned long size,
  40                 struct rsvd_region *rsvd_regions, int n);
  41 extern void kdump_cpu_freeze(struct unw_frame_info *info, void *arg);
  42 extern int kdump_status[];
  43 extern atomic_t kdump_cpu_freezed;
  44 extern atomic_t kdump_in_progress;
  45
  46 #endif /* _ASM_IA64_KEXEC_H */