From: Isaku Yamahata Date: Tue, 12 Nov 2024 07:37:30 +0000 (+0800) Subject: KVM: x86/mmu: Add setter for shadow_mmio_value X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=5a46fd48d884f3ed1bac8adf64dafd7e60d0d6e3;p=linux-2.6-microblaze.git KVM: x86/mmu: Add setter for shadow_mmio_value Future changes will want to set shadow_mmio_value from TDX code. Add a helper to setter with a name that makes more sense from that context. Signed-off-by: Isaku Yamahata [split into new patch] Co-developed-by: Rick Edgecombe Signed-off-by: Rick Edgecombe Signed-off-by: Yan Zhao Reviewed-by: Paolo Bonzini Message-ID: <20241112073730.22200-1-yan.y.zhao@intel.com> Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 8d0fca4b4a50..47e64a3c4ce3 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -79,6 +79,7 @@ static inline gfn_t kvm_mmu_max_gfn(void) u8 kvm_mmu_get_max_tdp_level(void); void kvm_mmu_set_mmio_spte_mask(u64 mmio_value, u64 mmio_mask, u64 access_mask); +void kvm_mmu_set_mmio_spte_value(struct kvm *kvm, u64 mmio_value); void kvm_mmu_set_me_spte_mask(u64 me_value, u64 me_mask); void kvm_mmu_set_ept_masks(bool has_ad_bits, bool has_exec_only); diff --git a/arch/x86/kvm/mmu/spte.c b/arch/x86/kvm/mmu/spte.c index 22551e2f1d00..c42ac5d1f027 100644 --- a/arch/x86/kvm/mmu/spte.c +++ b/arch/x86/kvm/mmu/spte.c @@ -433,6 +433,12 @@ void kvm_mmu_set_mmio_spte_mask(u64 mmio_value, u64 mmio_mask, u64 access_mask) } EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask); +void kvm_mmu_set_mmio_spte_value(struct kvm *kvm, u64 mmio_value) +{ + kvm->arch.shadow_mmio_value = mmio_value; +} +EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_value); + void kvm_mmu_set_me_spte_mask(u64 me_value, u64 me_mask) { /* shadow_me_value must be a subset of shadow_me_mask */