Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
KVM: Add hypercall host support for svm
Signed-off-by: Avi Kivity <avi@qumranet.com>
+15
-1
drivers/kvm/svm.c
+15
-1
drivers/kvm/svm.c
···
1076
1076
return 0;
1077
1077
}
1078
1078
1079
+
static int vmmcall_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1080
+
{
1081
+
printk(KERN_DEBUG "got vmmcall at RIP %08llx\n",
1082
+
vcpu->svm->vmcb->save.rip);
1083
+
printk(KERN_DEBUG "vmmcall params: %08llx, %08lx, %08lx, %08lx\n",
1084
+
vcpu->svm->vmcb->save.rax,
1085
+
vcpu->regs[VCPU_REGS_RCX],
1086
+
vcpu->regs[VCPU_REGS_RDX],
1087
+
vcpu->regs[VCPU_REGS_RBP]);
1088
+
vcpu->svm->vmcb->save.rax = 0;
1089
+
vcpu->svm->vmcb->save.rip += 3;
1090
+
return 1;
1091
+
}
1092
+
1079
1093
static int invalid_op_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1080
1094
{
1081
1095
inject_ud(vcpu);
···
1290
1276
[SVM_EXIT_TASK_SWITCH] = task_switch_interception,
1291
1277
[SVM_EXIT_SHUTDOWN] = shutdown_interception,
1292
1278
[SVM_EXIT_VMRUN] = invalid_op_interception,
1293
-
[SVM_EXIT_VMMCALL] = invalid_op_interception,
1279
+
[SVM_EXIT_VMMCALL] = vmmcall_interception,
1294
1280
[SVM_EXIT_VMLOAD] = invalid_op_interception,
1295
1281
[SVM_EXIT_VMSAVE] = invalid_op_interception,
1296
1282
[SVM_EXIT_STGI] = invalid_op_interception,