Commit 1ea9f2ed authored by David Woodhouse's avatar David Woodhouse
Browse files

KVM: x86/xen: add definitions of compat_shared_info, compat_vcpu_info 



There aren't a lot of differences for the things that the kernel needs
to care about, but there are a few.

Signed-off-by: default avatarDavid Woodhouse <dwmw@amazon.co.uk>
parent a3833b81

arch/x86/kvm/xen.h

+36 −0
Original line number Diff line number Diff line
@@ -27,4 +27,40 @@ static inline bool kvm_xen_hypercall_enabled(struct kvm *kvm) 
		 KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL);

}





/* 32-bit compatibility definitions, also used natively in 32-bit build */

#include <asm/pvclock-abi.h>

#include <asm/xen/interface.h>



struct compat_arch_vcpu_info {

	unsigned int cr2;

	unsigned int pad[5];

};



struct compat_vcpu_info {

        uint8_t evtchn_upcall_pending;

        uint8_t evtchn_upcall_mask;

        uint32_t evtchn_pending_sel;

        struct compat_arch_vcpu_info arch;

        struct pvclock_vcpu_time_info time;

}; /* 64 bytes (x86) */



struct compat_arch_shared_info {

	unsigned int max_pfn;

	unsigned int pfn_to_mfn_frame_list_list;

	unsigned int nmi_reason;

	unsigned int p2m_cr3;

	unsigned int p2m_vaddr;

	unsigned int p2m_generation;

	uint32_t wc_sec_hi;

};



struct compat_shared_info {

	struct compat_vcpu_info vcpu_info[MAX_VIRT_CPUS];

	uint32_t evtchn_pending[32];

	uint32_t evtchn_mask[32];

	struct pvclock_wall_clock wc;

	struct compat_arch_shared_info arch;

};



#endif /* __ARCH_X86_KVM_XEN_H__ */