KVM: Add hypercall host support for svm (02e235bc) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/kvm/svm.c

+15 −1

Original line number	Original line	Diff line number	Diff line
	@@ -1076,6 +1076,20 @@ static int halt_interception(struct kvm_vcpu vcpu, struct kvm_run kvm_run)
	return 0;		return 0;
	}		}

			static int vmmcall_interception(struct kvm_vcpu vcpu, struct kvm_run kvm_run)
			{
			printk(KERN_DEBUG "got vmmcall at RIP %08llx\n",
			vcpu->svm->vmcb->save.rip);
			printk(KERN_DEBUG "vmmcall params: %08llx, %08lx, %08lx, %08lx\n",
			vcpu->svm->vmcb->save.rax,
			vcpu->regs[VCPU_REGS_RCX],
			vcpu->regs[VCPU_REGS_RDX],
			vcpu->regs[VCPU_REGS_RBP]);
			vcpu->svm->vmcb->save.rax = 0;
			vcpu->svm->vmcb->save.rip += 3;
			return 1;
			}

	static int invalid_op_interception(struct kvm_vcpu vcpu, struct kvm_run kvm_run)		static int invalid_op_interception(struct kvm_vcpu vcpu, struct kvm_run kvm_run)
	{		{
	inject_ud(vcpu);		inject_ud(vcpu);
	@@ -1276,7 +1290,7 @@ static int (svm_exit_handlers[])(struct kvm_vcpu vcpu,
	[SVM_EXIT_TASK_SWITCH] = task_switch_interception,		[SVM_EXIT_TASK_SWITCH] = task_switch_interception,
	[SVM_EXIT_SHUTDOWN] = shutdown_interception,		[SVM_EXIT_SHUTDOWN] = shutdown_interception,
	[SVM_EXIT_VMRUN] = invalid_op_interception,		[SVM_EXIT_VMRUN] = invalid_op_interception,
	[SVM_EXIT_VMMCALL] = invalid_op_interception,		[SVM_EXIT_VMMCALL] = vmmcall_interception,
	[SVM_EXIT_VMLOAD] = invalid_op_interception,		[SVM_EXIT_VMLOAD] = invalid_op_interception,
	[SVM_EXIT_VMSAVE] = invalid_op_interception,		[SVM_EXIT_VMSAVE] = invalid_op_interception,
	[SVM_EXIT_STGI] = invalid_op_interception,		[SVM_EXIT_STGI] = invalid_op_interception,