From 1ea9f2ed81c4b058a3dc73b75d684a1f451ce714 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Thu, 3 Dec 2020 18:45:22 +0000 Subject: [PATCH] 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: David Woodhouse --- arch/x86/kvm/xen.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/x86/kvm/xen.h b/arch/x86/kvm/xen.h index 0e2467fcfb9f..12a3dc32e78e 100644 --- a/arch/x86/kvm/xen.h +++ b/arch/x86/kvm/xen.h @@ -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 +#include + +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__ */