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| author | Joerg Roedel <joerg.roedel@amd.com> | 2010-09-10 17:30:50 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:52:36 +0200 |
| commit | 6539e738f65a8f1fc7806295d5d701fba4008343 (patch) | |
| tree | 7b66b9d2c28eae8a332cdb1da0e602357b0cbeda /arch/x86/include | |
| parent | 14dfe855f978181cd611ec018e5ceba860a98545 (diff) | |
| download | linux-6539e738f65a8f1fc7806295d5d701fba4008343.tar.gz linux-6539e738f65a8f1fc7806295d5d701fba4008343.tar.bz2 linux-6539e738f65a8f1fc7806295d5d701fba4008343.zip | |
KVM: MMU: Implement nested gva_to_gpa functions
This patch adds the functions to do a nested l2_gva to
l1_gpa page table walk.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 1b3eb8a0a1bc..8ec3547c433d 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -296,6 +296,16 @@ struct kvm_vcpu_arch { struct kvm_mmu mmu; /* + * Paging state of an L2 guest (used for nested npt) + * + * This context will save all necessary information to walk page tables + * of the an L2 guest. This context is only initialized for page table + * walking and not for faulting since we never handle l2 page faults on + * the host. + */ + struct kvm_mmu nested_mmu; + + /* * Pointer to the mmu context currently used for * gva_to_gpa translations. */ |