Message ID | 20180927034829.2230-2-Tianyu.Lan@microsoft.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Series |
x86/KVM/Hyper-v: Add HV ept tlb range flush hypercall support in KVM
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diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 8e90488c3d56..a6b77978502e 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -402,6 +402,12 @@ struct kvm_mmu { u64 pdptrs[4]; /* pae */ }; +struct kvm_tlb_range { + u64 start_gfn; + u64 pages; + struct list_head *flush_list; +}; + enum pmc_type { KVM_PMC_GP = 0, KVM_PMC_FIXED, @@ -991,6 +997,8 @@ struct kvm_x86_ops { void (*tlb_flush)(struct kvm_vcpu *vcpu, bool invalidate_gpa); int (*tlb_remote_flush)(struct kvm *kvm); + int (*tlb_remote_flush_with_range)(struct kvm *kvm, + struct kvm_tlb_range *range); /* * Flush any TLB entries associated with the given GVA.
Add flush range call back in the kvm_x86_ops and platform can use it to register its associated function. The parameter "kvm_tlb_range" accepts a single range and flush list which contains a list of ranges. Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com> --- Change since v1: Change "end_gfn" to "pages" to aviod confusion as to whether "end_gfn" is inclusive or exlusive. --- arch/x86/include/asm/kvm_host.h | 8 ++++++++ 1 file changed, 8 insertions(+)