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