xref: /openbmc/linux/arch/arm/include/asm/xen/hypervisor.h (revision 23c2b932)
1 #ifndef _ASM_ARM_XEN_HYPERVISOR_H
2 #define _ASM_ARM_XEN_HYPERVISOR_H
3 
4 #include <linux/init.h>
5 
6 extern struct shared_info *HYPERVISOR_shared_info;
7 extern struct start_info *xen_start_info;
8 
9 /* Lazy mode for batching updates / context switch */
10 enum paravirt_lazy_mode {
11 	PARAVIRT_LAZY_NONE,
12 	PARAVIRT_LAZY_MMU,
13 	PARAVIRT_LAZY_CPU,
14 };
15 
16 static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
17 {
18 	return PARAVIRT_LAZY_NONE;
19 }
20 
21 extern struct dma_map_ops *xen_dma_ops;
22 
23 #ifdef CONFIG_XEN
24 void __init xen_early_init(void);
25 #else
26 static inline void xen_early_init(void) { return; }
27 #endif
28 
29 #ifdef CONFIG_HOTPLUG_CPU
30 static inline void xen_arch_register_cpu(int num)
31 {
32 }
33 
34 static inline void xen_arch_unregister_cpu(int num)
35 {
36 }
37 #endif
38 
39 #endif /* _ASM_ARM_XEN_HYPERVISOR_H */
40