xref: /openbmc/linux/arch/ia64/include/asm/kexec.h (revision 9ac8d3fb)
1 #ifndef _ASM_IA64_KEXEC_H
2 #define _ASM_IA64_KEXEC_H
3 
4 
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 
12 #define KEXEC_CONTROL_PAGE_SIZE (8192 + 8192 + 4096)
13 
14 /* The native architecture */
15 #define KEXEC_ARCH KEXEC_ARCH_IA_64
16 
17 #define kexec_flush_icache_page(page) do { \
18                 unsigned long page_addr = (unsigned long)page_address(page); \
19                 flush_icache_range(page_addr, page_addr + PAGE_SIZE); \
20         } while(0)
21 
22 extern struct kimage *ia64_kimage;
23 extern const unsigned int relocate_new_kernel_size;
24 extern void relocate_new_kernel(unsigned long, unsigned long,
25 		struct ia64_boot_param *, unsigned long);
26 static inline void
27 crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs)
28 {
29 }
30 extern struct resource efi_memmap_res;
31 extern struct resource boot_param_res;
32 extern void kdump_smp_send_stop(void);
33 extern void kdump_smp_send_init(void);
34 extern void kexec_disable_iosapic(void);
35 extern void crash_save_this_cpu(void);
36 struct rsvd_region;
37 extern unsigned long kdump_find_rsvd_region(unsigned long size,
38 		struct rsvd_region *rsvd_regions, int n);
39 extern void kdump_cpu_freeze(struct unw_frame_info *info, void *arg);
40 extern int kdump_status[];
41 extern atomic_t kdump_cpu_freezed;
42 extern atomic_t kdump_in_progress;
43 
44 #endif /* _ASM_IA64_KEXEC_H */
45