Displaying 2 results from an estimated 2 matches for "__control_singlestep".
2020 Jul 21
0
[PATCH v9 81/84] KVM: introspection: add KVMI_EVENT_SINGLESTEP
...pl, rpl_size);
+ r = __do_vcpu_command(vm, cmd_id, req, req_size, rpl, rpl_size);
stop_vcpu_worker(vcpu_thread, &data);
return r;
@@ -1960,13 +1967,61 @@ static void cmd_vcpu_singlestep(struct kvm_vm *vm, __u8 enable, __u8 padding,
-r, kvm_strerror(-r), expected_err);
}
+static void __control_singlestep(bool enable)
+{
+ struct {
+ struct kvmi_msg_hdr hdr;
+ struct kvmi_vcpu_hdr vcpu_hdr;
+ struct kvmi_vcpu_control_singlestep cmd;
+ } req = {};
+ int r;
+
+ req.cmd.enable = enable ? 1 : 0;
+
+ r = __do_vcpu0_command(KVMI_VCPU_CONTROL_SINGLESTEP,
+ &req.hdr, sizeof(req), NULL, 0);
+ T...
2020 Jul 21
87
[PATCH v9 00/84] VM introspection
The KVM introspection subsystem provides a facility for applications
running on the host or in a separate VM, to control the execution of
other VMs (pause, resume, shutdown), query the state of the vCPUs (GPRs,
MSRs etc.), alter the page access bits in the shadow page tables (only
for the hardware backed ones, eg. Intel's EPT) and receive notifications
when events of interest have taken place