132 lines
4.3 KiB
Plaintext
132 lines
4.3 KiB
Plaintext
////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: IdeController.cs
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//
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// Base Classes and Interfaces for interacting with ATA
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//
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// References used:
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// "AT Attachment Interface with Extension (ATA-2)", Revision 4c, DRAFT
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// 09/03/97, ISO Working Group T13, http://www.t13.org/
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//
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// "AT Attachment 8 - ATA/ATAPI Command Set (ATA8-ACS)", Revision 0, DRAFT
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// 08/17/04, ISO Working Group T13, http://www.t13.org/
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//
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using System;
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using System.Collections;
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using System.Text;
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using System.Threading;
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using Microsoft.SingSharp;
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using Microsoft.SingSharp.Reflection;
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using Microsoft.Singularity;
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using Microsoft.Singularity.Io;
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using Microsoft.Singularity.Configuration;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Drivers.IDE;
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using Microsoft.Singularity.V1.Services;
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using Microsoft.Singularity.Extending;
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using Microsoft.Singularity.Directory;
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using Microsoft.Singularity.Drivers;
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[assembly: Transform(typeof(DriverResourceTransform))]
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namespace Microsoft.Singularity.Drivers.IDE
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{
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// create the resource object for CTR to fill in
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[DriverCategory]
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[Signature("/ata/controller")]
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[EnumeratesDevice("/ata/disk")]
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[EnumeratesDevice("/ata/atapi/...")]
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internal class DiskResources : DriverCategoryDeclaration
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{
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[IoIrqRange(0, Default = 0x0e, Shared = true)]
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internal readonly IoIrqRange irq;
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// [TODO] do all of these need to be shared?
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[IoPortRange(1, Default = 0x01f0, Length = 0x08, Shared = true)]
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internal readonly IoPortRange command;
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[IoPortRange(2, Default = 0x03f4, Length = 0x04, Shared = true)]
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internal readonly IoPortRange control;
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[IoPortRange(3, Default = 0xffa0, Length = 0x08, Shared = true)]
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internal readonly IoPortRange dma;
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[ExtensionEndpoint]
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internal TRef<ExtensionContract.Exp:Start> extension;
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[ServiceEndpoint(typeof(DiskDeviceContract))]
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internal TRef<ServiceProviderContract.Exp:Start> service;
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[Endpoint]
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internal TRef<VolumeManagerContract.Imp:Start> volman;
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internal int DriverMain(string instance) {
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return DiskDriverControl.DriverMain(instance, this);
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}
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}
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public class DiskDriverControl
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{
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private static IoConfig config;
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private static IdeController controller;
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private static IdeDisk disk;
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private static IdeDiskConfig diskConfig;
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private static IdeDiskConfig slaveDiskConfig;
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public static void SetMasterDiskConfig(IdeDiskConfig config)
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{
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diskConfig = config;
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}
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public static void SetSlaveDiskConfig(IdeDiskConfig config)
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{
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slaveDiskConfig = config;
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}
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internal static int DriverMain(string instance, DiskResources! resources)
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{
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DebugStub.Print("Disk: {0}: Irq={1}\n",
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__arglist(instance, resources.irq.ToString()));
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// Create the Controller
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controller = IdeController.Create(resources, (!)instance);
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controller.Initialize();
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ExtensionContract.Exp! extension = resources.extension.Acquire();
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ServiceProviderContract.Exp! service = resources.service.Acquire();
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VolumeManagerContract.Imp! volman = resources.volman.Acquire();
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//Create the disk
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if (diskConfig == null) {
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if (slaveDiskConfig != null) {
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diskConfig = slaveDiskConfig;
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DebugStub.WriteLine("Using slave disk configuration.");
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}
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}
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if (diskConfig == null) {
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DebugStub.WriteLine("Master disk configuration not found.");
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delete service;
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delete extension;
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delete volman;
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}
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else {
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disk = new IdeDisk(diskConfig, instance);
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disk.Run(extension, service, volman);
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}
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if (disk != null) {
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disk.Finalize();
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}
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controller.Finalize();
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return 0;
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}
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}
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}
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