[2/5] KVM: x86: move setting of ept_identity_map_addr to vmx.c
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Message ID 1521573442-12206-3-git-send-email-sean.j.christopherson@intel.com
State New
Headers show

Commit Message

Sean Christopherson March 20, 2018, 7:17 p.m. UTC
Add kvm_x86_ops->set_identity_map_addr and set ept_identity_map_addr
in VMX specific code so that ept_identity_map_addr can be moved out
of 'struct kvm_arch' in a future patch.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/include/asm/kvm_host.h | 1 +
 arch/x86/kvm/svm.c              | 6 ++++++
 arch/x86/kvm/vmx.c              | 7 +++++++
 arch/x86/kvm/x86.c              | 3 +--
 4 files changed, 15 insertions(+), 2 deletions(-)

Patch
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diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 74a43033..55240cd 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1015,6 +1015,7 @@  struct kvm_x86_ops {
 	void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
 	int (*sync_pir_to_irr)(struct kvm_vcpu *vcpu);
 	int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
+	int (*set_identity_map_addr)(struct kvm *kvm, u64 ident_addr);
 	int (*get_tdp_level)(struct kvm_vcpu *vcpu);
 	u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio);
 	int (*get_lpage_level)(void);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1632400..994e42e 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -5266,6 +5266,11 @@  static int svm_set_tss_addr(struct kvm *kvm, unsigned int addr)
 	return 0;
 }
 
+static int svm_set_identity_map_addr(struct kvm *kvm, u64 ident_addr)
+{
+	return 0;
+}
+
 static void svm_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
@@ -6956,6 +6961,7 @@  static struct kvm_x86_ops svm_x86_ops __ro_after_init = {
 	.apicv_post_state_restore = avic_post_state_restore,
 
 	.set_tss_addr = svm_set_tss_addr,
+	.set_identity_map_addr = svm_set_identity_map_addr,
 	.get_tdp_level = get_npt_level,
 	.get_mt_mask = svm_get_mt_mask,
 
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index bca2437..01de5f9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6078,6 +6078,12 @@  static int vmx_set_tss_addr(struct kvm *kvm, unsigned int addr)
 	return init_rmode_tss(kvm);
 }
 
+static int vmx_set_identity_map_addr(struct kvm *kvm, u64 ident_addr)
+{
+	kvm->arch.ept_identity_map_addr = ident_addr;
+	return 0;
+}
+
 static bool rmode_exception(struct kvm_vcpu *vcpu, int vec)
 {
 	switch (vec) {
@@ -12467,6 +12473,7 @@  static struct kvm_x86_ops vmx_x86_ops __ro_after_init = {
 	.deliver_posted_interrupt = vmx_deliver_posted_interrupt,
 
 	.set_tss_addr = vmx_set_tss_addr,
+	.set_identity_map_addr = vmx_set_identity_map_addr,
 	.get_tdp_level = get_ept_level,
 	.get_mt_mask = vmx_get_mt_mask,
 
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9e1496c..d746be0 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3957,8 +3957,7 @@  static int kvm_vm_ioctl_set_tss_addr(struct kvm *kvm, unsigned long addr)
 static int kvm_vm_ioctl_set_identity_map_addr(struct kvm *kvm,
 					      u64 ident_addr)
 {
-	kvm->arch.ept_identity_map_addr = ident_addr;
-	return 0;
+	return kvm_x86_ops->set_identity_map_addr(kvm, ident_addr);
 }
 
 static int kvm_vm_ioctl_set_nr_mmu_pages(struct kvm *kvm,