88 lines
3.0 KiB
Swift
88 lines
3.0 KiB
Swift
//
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// Copyright © 2022 osy. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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/// Settings for input devices and USB.
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struct UTMQemuConfigurationInput: Codable {
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/// Level of USB support (disabled/2.0/3.0).
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var usbBusSupport: QEMUUSBBus = .usb2_0
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/// If enabled, USB forwarding can be used (if supported by the host).
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var hasUsbSharing: Bool = false
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/// The maximum number of USB devices that can be forwarded concurrently.
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var maximumUsbShare: Int = 3
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enum CodingKeys: String, CodingKey {
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case usbBusSupport = "UsbBusSupport"
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case hasUsbSharing = "UsbSharing"
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case maximumUsbShare = "MaximumUsbShare"
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}
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init() {
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}
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init(from decoder: Decoder) throws {
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let values = try decoder.container(keyedBy: CodingKeys.self)
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usbBusSupport = try values.decode(QEMUUSBBus.self, forKey: .usbBusSupport)
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hasUsbSharing = try values.decode(Bool.self, forKey: .hasUsbSharing)
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maximumUsbShare = try values.decode(Int.self, forKey: .maximumUsbShare)
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}
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func encode(to encoder: Encoder) throws {
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var container = encoder.container(keyedBy: CodingKeys.self)
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try container.encode(usbBusSupport, forKey: .usbBusSupport)
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try container.encode(hasUsbSharing, forKey: .hasUsbSharing)
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try container.encode(maximumUsbShare, forKey: .maximumUsbShare)
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}
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}
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// MARK: - Default construction
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extension UTMQemuConfigurationInput {
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init(forArchitecture architecture: QEMUArchitecture, target: any QEMUTarget) {
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self.init()
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let rawTarget = target.rawValue
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if !architecture.hasUsbSupport || !target.hasUsbSupport {
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usbBusSupport = .disabled
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} else if rawTarget.hasPrefix("pc") || rawTarget.hasPrefix("q35") {
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usbBusSupport = .usb3_0
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} else if (architecture == .arm || architecture == .aarch64) && (rawTarget.hasPrefix("virt-") || rawTarget == "virt") {
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usbBusSupport = .usb3_0
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}
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}
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}
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// MARK: - Conversion of old config format
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extension UTMQemuConfigurationInput {
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init(migrating oldConfig: UTMLegacyQemuConfiguration) {
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self.init()
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if oldConfig.inputLegacy {
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usbBusSupport = .disabled
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} else if oldConfig.usb3Support {
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usbBusSupport = .usb3_0
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} else {
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usbBusSupport = .usb2_0
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}
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if let sharingNum = oldConfig.usbRedirectionMaximumDevices {
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hasUsbSharing = true
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maximumUsbShare = sharingNum.intValue
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}
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}
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}
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