// Copyright 2018 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto3";
option optimize_for = LITE_RUNTIME;

package vm_tools.plugin_dispatcher;
option go_package = "chromiumos/system_api/vm_plugin_dispatcher_proto";

// Request to shut down the dispatcher service.
message ShutdownDispatcherRequest {
  // Instructs to suspend all running VMs before shutting down the service.
  // If not forced and there are VMs that are not stopped the request will
  // fail.
  bool force = 1;
}

// Error codes for operations involving dispatcher.
enum SrvErrorCode {
  // Success.
  SRV_SUCCESS = 0;
  // Native Parallels error code is returned.
  SRV_ERR_NATIVE_RESULT_CODE = 0x7FFFFFFF;
}

// Response to ShutdownDispatcherRequest.
message ShutdownDispatcherResponse {
  SrvErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Request to generate and send problem report to Parallels.
message SendProblemReportRequest {
  // The cryptohome id of the session owner.
  string owner_id = 1;

  // Optional VM identifier. May be omitted (empty) when requesting
  // a non-VM-specific report.
  string vm_name_uuid = 2;

  // Optional flag indicating that report should include extended info.
  bool detailed = 3;

  // Optional user name to be added to the problem report (may be empty).
  string name = 4;

  // Optional email to be added to the problem report (may be empty).
  string email = 5;

  // Optional problem description text to be attached to the problem
  // report (may be empty).
  string description = 6;
}

// Response to an SendProblemReportRequest.
message SendProblemReportResponse {
  // If true, the report was sent.
  bool success = 1;

  // If the attempt to submit report was successful, the ID of the generated
  // report.
  string report_id = 2;

  // If the attempt to submit report failed, the reason for the failure,
  // as native Parallels error code.
  sint32 result_code = 3;

  // Error message corresponding to the result code (non-localized).
  string error_message = 4;
}

// Error codes for operations involving VMs.
enum VmErrorCode {
  // Success.
  VM_SUCCESS = 0;
  // Native Parallels error code is returned.
  VM_ERR_NATIVE_RESULT_CODE = 0x7FFFFFFF;
}

// Request to register VM residing at given path.
message RegisterVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // Path to VM configuration file.
  string path = 2;

  // New uuid for VM, can be empty when requesting to preserve
  // existing UUID.
  string new_uuid = 3;

  // Keep existing uuid for the VM, 'new_uuid' must be empty.
  bool preserve_uuid = 4;

  // Generate new 'source uuid' (SMBUS UUID) for the VM.
  bool regenerate_src_uuid = 5;

  // New name to assign to the VM. Can be empty.
  string new_name = 6;
}

// Response to RegisterVmRequest.
message RegisterVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Request to unregister previously registered VM.
message UnregisterVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // VM uuid or name.
  string vm_name_uuid = 2;
}

// Response to UnregisterVmRequest.
message UnregisterVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Request to provide information about VMs known to the dispatcher.
message ListVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // VM uuid or name. May be blank.
  string vm_name_uuid = 2;
}

enum VmState {
  VM_STATE_UNKNOWN = 0;

  VM_STATE_STOPPED = 1;
  VM_STATE_STARTING = 2;
  VM_STATE_RUNNING = 3;
  VM_STATE_PAUSED = 4;
  VM_STATE_SUSPENDING = 5;
  VM_STATE_STOPPING = 6;
  VM_STATE_SUSPENDED = 7;
  VM_STATE_RESETTING = 8;
  VM_STATE_PAUSING = 9;
  VM_STATE_CONTINUING = 10;
  VM_STATE_RESUMING = 11;
}

// Conveys information about a VM.
message VmInfo {
  // VM uuid.
  string uuid = 1;

  // VM name.
  string name = 2;

  // VM state.
  VmState state = 3;

  // Vm description.
  string description = 4;

  // VM configuration file path.
  string path = 5;
}

// Response to ListVmRequest.
message ListVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // VM(s) info.
  repeated VmInfo vm_info = 2;

  // Native Parallels error code.
  sint32 result_code = 3;
}

// Request to start given VM.
message StartVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // VM uuid or name.
  string vm_name_uuid = 2;
}

// Response to StartVmRequest.
message StartVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Request to stop given VM.
enum VmStopMode {
  // Attempt to gracefully shut down the guest OS. If agent is installed,
  // then it is used to initiate shutdown, other wise ACPI is used.
  VM_STOP_MODE_SHUTDOWN = 0;
  // Stops VCPU and devices processes.
  VM_STOP_MODE_KILL = 1;
  // Uses ACPI to transition VM to S5.
  VM_STOP_MODE_ACPI = 2;
}

message StopVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // VM uuid or name.
  string vm_name_uuid = 2;

  // VM stop mode.
  VmStopMode stop_mode = 3;

  // Do not stop VM forcibly on timeout.
  bool noforce = 4;
}

// Response to StopVmRequest.
message StopVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Request to suspend given VM.
message SuspendVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // VM uuid or name.
  string vm_name_uuid = 2;
}

// Response to SuspendVmRequest.
message SuspendVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Request to perform reset for given VM.
message ResetVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // VM uuid or name.
  string vm_name_uuid = 2;
}

// Response to ResetVmRequest.
message ResetVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Start UI component responsible for rendering VM display.
message ShowVmRequest {
  // The owner of the VM.
  string owner_id = 1;

  // VM uuid or name.
  string vm_name_uuid = 2;
}

// Response to ShowVmRequest.
message ShowVmResponse {
  // Result of the operation.
  VmErrorCode error = 1;

  // Native Parallels error code.
  sint32 result_code = 2;
}

// Signals change of state for a VM.
message VmStateChangedSignal {
  // The owner of the VM.
  string owner_id = 1;

  // VM name.
  string vm_name = 2;

  // VM uuid.
  string vm_uuid = 3;

  // Current VM state.
  VmState vm_state = 4;

  // Previous VM state.
  VmState vm_state_prev = 5;
}

// State of hypervisor agent in a VM.
enum VmToolsState {
  VM_TOOLS_STATE_UNKNOWN = 0;

  VM_TOOLS_STATE_POSSIBLY_INSTALLED = 1;
  VM_TOOLS_STATE_NOT_INSTALLED = 2;
  VM_TOOLS_STATE_INSTALLED = 3;
  VM_TOOLS_STATE_OUTDATED = 4;
};

// Signals change of state of hypervisor agent in a VM.
message VmToolsStateChangedSignal {
  // The owner of the VM.
  string owner_id = 1;

  // VM name.
  string vm_name = 2;

  // VM uuid.
  string vm_uuid = 3;

  // Current state.
  VmToolsState vm_tools_state = 4;

  // Version of the agent software.
  string vm_tools_version = 5;
}
