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 */ 47