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authorVitaly Kuznetsov <vkuznets@redhat.com>2022-11-01 17:53:57 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-11-18 20:59:11 +0300
commit38edb45231832ef2aa191e2f3f77e30ad0bb4b61 (patch)
tree7bca37ac450a8ecb9e98f27129ba29dbe44e18b9 /arch/x86/include/asm/kvm_host.h
parent7d5e88d301f84a7b64602dbe3640f288223095ea (diff)
downloadlinux-38edb45231832ef2aa191e2f3f77e30ad0bb4b61.tar.xz
KVM: nVMX: Keep track of hv_vm_id/hv_vp_id when eVMCS is in use
To handle L2 TLB flush requests, KVM needs to keep track of L2's VM_ID/ VP_IDs which are set by L1 hypervisor. 'Partition assist page' address is also needed to handle post-flush exit to L1 upon request. Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Reviewed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20221101145426.251680-20-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
-rw-r--r--arch/x86/include/asm/kvm_host.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 4596f19f927b..63dad1e12969 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -668,6 +668,12 @@ struct kvm_vcpu_hv {
/* Preallocated buffer for handling hypercalls passing sparse vCPU set */
u64 sparse_banks[HV_MAX_SPARSE_VCPU_BANKS];
+
+ struct {
+ u64 pa_page_gpa;
+ u64 vm_id;
+ u32 vp_id;
+ } nested;
};
/* Xen HVM per vcpu emulation context */