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 24extern struct kimage *ia64_kimage; 25extern const unsigned int relocate_new_kernel_size; 26extern void relocate_new_kernel(unsigned long, unsigned long, 27 struct ia64_boot_param *, unsigned long); 28static inline void 29crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) 30{ 31} 32extern struct resource efi_memmap_res; 33extern struct resource boot_param_res; 34extern void kdump_smp_send_stop(void); 35extern void kdump_smp_send_init(void); 36extern void kexec_disable_iosapic(void); 37extern void crash_save_this_cpu(void); 38struct rsvd_region; 39extern unsigned long kdump_find_rsvd_region(unsigned long size, 40 struct rsvd_region *rsvd_regions, int n); 41extern void kdump_cpu_freeze(struct unw_frame_info *info, void *arg); 42extern int kdump_status[]; 43extern atomic_t kdump_cpu_freezed; 44extern atomic_t kdump_in_progress; 45 46#endif /* _ASM_IA64_KEXEC_H */ 47