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KVM: Add tlb_remote_flush_with_range callback in kvm_x86_ops 

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>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Lan Tianyu 2018-12-06 21:21:04 +08:00 committed by Paolo Bonzini
parent ee85dec2fe
commit a49b96352e
1 changed files with 7 additions and 0 deletions
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7
arch/x86/include/asm/kvm_host.h
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@ -439,6 +439,11 @@ struct kvm_mmu {
u64 pdptrs[4]; /* pae */
};
struct kvm_tlb_range {
u64 start_gfn;
u64 pages;
};
enum pmc_type {
KVM_PMC_GP = 0,
KVM_PMC_FIXED,
@ -1041,6 +1046,8 @@ 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.