xref: /openbmc/linux/include/xen/xen-ops.h (revision d2168146)
1 #ifndef INCLUDE_XEN_OPS_H
2 #define INCLUDE_XEN_OPS_H
3 
4 #include <linux/percpu.h>
5 #include <linux/notifier.h>
6 #include <asm/xen/interface.h>
7 
8 DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu);
9 
10 void xen_arch_pre_suspend(void);
11 void xen_arch_post_suspend(int suspend_cancelled);
12 
13 void xen_timer_resume(void);
14 void xen_arch_resume(void);
15 
16 void xen_resume_notifier_register(struct notifier_block *nb);
17 void xen_resume_notifier_unregister(struct notifier_block *nb);
18 
19 int xen_setup_shutdown_event(void);
20 
21 extern unsigned long *xen_contiguous_bitmap;
22 int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
23 				unsigned int address_bits,
24 				dma_addr_t *dma_handle);
25 
26 void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order);
27 
28 struct vm_area_struct;
29 int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
30 			       unsigned long addr,
31 			       xen_pfn_t mfn, int nr,
32 			       pgprot_t prot, unsigned domid,
33 			       struct page **pages);
34 int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,
35 			       int numpgs, struct page **pages);
36 
37 bool xen_running_on_version_or_later(unsigned int major, unsigned int minor);
38 #endif /* INCLUDE_XEN_OPS_H */
39