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| author | David Woodhouse <dwmw@amazon.co.uk> | 2020-12-03 18:45:22 +0000 |
|---|---|---|
| committer | David Woodhouse <dwmw@amazon.co.uk> | 2021-02-04 14:19:38 +0000 |
| commit | 1ea9f2ed81c4b058a3dc73b75d684a1f451ce714 (patch) | |
| tree | 7915010214ebd21161a88e7d9e709c73ee61a056 /arch | |
| parent | a3833b81b05d0ae92ae085959dd8da136ec91868 (diff) | |
| download | linux-1ea9f2ed81c4b058a3dc73b75d684a1f451ce714.tar.bz2 | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/xen.h | 36 |
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__ */ |