xref: /OK3568_Linux_fs/kernel/include/xen/arm/hypervisor.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_ARM_XEN_HYPERVISOR_H
3*4882a593Smuzhiyun #define _ASM_ARM_XEN_HYPERVISOR_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/init.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun extern struct shared_info *HYPERVISOR_shared_info;
8*4882a593Smuzhiyun extern struct start_info *xen_start_info;
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /* Lazy mode for batching updates / context switch */
11*4882a593Smuzhiyun enum paravirt_lazy_mode {
12*4882a593Smuzhiyun 	PARAVIRT_LAZY_NONE,
13*4882a593Smuzhiyun 	PARAVIRT_LAZY_MMU,
14*4882a593Smuzhiyun 	PARAVIRT_LAZY_CPU,
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun 
paravirt_get_lazy_mode(void)17*4882a593Smuzhiyun static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun 	return PARAVIRT_LAZY_NONE;
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #ifdef CONFIG_XEN
23*4882a593Smuzhiyun void __init xen_early_init(void);
24*4882a593Smuzhiyun #else
xen_early_init(void)25*4882a593Smuzhiyun static inline void xen_early_init(void) { return; }
26*4882a593Smuzhiyun #endif
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #ifdef CONFIG_HOTPLUG_CPU
xen_arch_register_cpu(int num)29*4882a593Smuzhiyun static inline void xen_arch_register_cpu(int num)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun 
xen_arch_unregister_cpu(int num)33*4882a593Smuzhiyun static inline void xen_arch_unregister_cpu(int num)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif /* _ASM_ARM_XEN_HYPERVISOR_H */
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