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

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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: David Woodhouse <dwmw@amazon.co.uk>
This commit is contained in:
David Woodhouse 2020-12-03 18:45:22 +00:00
parent a3833b81b0
commit 1ea9f2ed81
1 changed files with 36 additions and 0 deletions
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36
arch/x86/kvm/xen.h
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@ -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__ */