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authorDavid Woodhouse <dwmw@amazon.co.uk>2020-12-03 18:45:22 +0000
committerDavid Woodhouse <dwmw@amazon.co.uk>2021-02-04 14:19:38 +0000
commit1ea9f2ed81c4b058a3dc73b75d684a1f451ce714 (patch)
tree7915010214ebd21161a88e7d9e709c73ee61a056
parenta3833b81b05d0ae92ae085959dd8da136ec91868 (diff)
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 <dwmw@amazon.co.uk>
-rw-r--r--arch/x86/kvm/xen.h36
1 files changed, 36 insertions, 0 deletions
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 <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__ */