DevATA.cpp revision 1a52e1a951d21e8f7c5a2e69032c744d7f8265c5
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/* $Id$ */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/** @file
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync * VBox storage devices: ATA/ATAPI controller device (disk and cdrom).
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/*
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync * Copyright (C) 2006-2008 Sun Microsystems, Inc.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync *
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * available from http://www.virtualbox.org. This file is free software;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * you can redistribute it and/or modify it under the terms of the GNU
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * General Public License (GPL) as published by the Free Software
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync *
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * additional information or have any questions.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/*******************************************************************************
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync* Defined Constants And Macros *
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync*******************************************************************************/
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/** Temporary instrumentation for tracking down potential virtual disk
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * write performance issues. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#undef VBOX_INSTRUMENT_DMA_WRITES
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/** @name The SSM saved state versions.
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * @{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/** The current saved state version. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_SAVED_STATE_VERSION 20
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/** The saved state version used by VirtualBox 3.0.
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync * This lacks the config part and has the type at the and. */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#define ATA_SAVED_STATE_VERSION_VBOX_30 19
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_SAVED_STATE_VERSION_WITH_BOOL_TYPE 18
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_SAVED_STATE_VERSION_WITHOUT_FULL_SENSE 16
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_SAVED_STATE_VERSION_WITHOUT_EVENT_STATUS 17
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/** @} */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/*******************************************************************************
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync* Header Files *
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync*******************************************************************************/
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#define LOG_GROUP LOG_GROUP_DEV_IDE
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <VBox/pdmdev.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <iprt/assert.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <iprt/string.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#ifdef IN_RING3
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync# include <iprt/uuid.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync# include <iprt/semaphore.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync# include <iprt/thread.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync# include <iprt/time.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync# include <iprt/alloc.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#endif /* IN_RING3 */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <iprt/critsect.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <iprt/asm.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <VBox/stam.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <VBox/mm.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <VBox/pgm.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include <VBox/scsi.h>
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include "PIIX3ATABmDma.h"
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include "ide.h"
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#include "../Builtins.h"
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/*******************************************************************************
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync* Defined Constants And Macros *
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync*******************************************************************************/
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/**
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * Maximum number of sectors to transfer in a READ/WRITE MULTIPLE request.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Set to 1 to disable multi-sector read support. According to the ATA
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * specification this must be a power of 2 and it must fit in an 8 bit
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync * value. Thus the only valid values are 1, 2, 4, 8, 16, 32, 64 and 128.
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#define ATA_MAX_MULT_SECTORS 128
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/**
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Fastest PIO mode supported by the drive.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync#define ATA_PIO_MODE_MAX 4
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync/**
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * Fastest MDMA mode supported by the drive.
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync#define ATA_MDMA_MODE_MAX 2
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync/**
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Fastest UDMA mode supported by the drive.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_UDMA_MODE_MAX 6
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/** ATAPI sense info size. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync#define ATAPI_SENSE_SIZE 64
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync/** The maximum number of release log entries per device. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#define MAX_LOG_REL_ERRORS 1024
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/* MediaEventStatus */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_EVENT_STATUS_UNCHANGED 0 /**< medium event status not changed */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_EVENT_STATUS_MEDIA_NEW 1 /**< new medium inserted */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_EVENT_STATUS_MEDIA_REMOVED 2 /**< medium removed */
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync#define ATA_EVENT_STATUS_MEDIA_CHANGED 3 /**< medium was removed + new medium was inserted */
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/**
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Length of the configurable VPD data (without termination)
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATA_SERIAL_NUMBER_LENGTH 20
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync#define ATA_FIRMWARE_REVISION_LENGTH 8
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync#define ATA_MODEL_NUMBER_LENGTH 40
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATAPI_INQUIRY_VENDOR_ID_LENGTH 8
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync#define ATAPI_INQUIRY_PRODUCT_ID_LENGTH 16
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#define ATAPI_INQUIRY_REVISION_LENGTH 4
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync/*******************************************************************************
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync* Structures and Typedefs *
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync*******************************************************************************/
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/**
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * The state of an ATA device.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync *
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * @implements PDMIBASE
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * @implements PDMIBLOCKPORT
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * @implements PDMIMOUNTNOTIFY
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsynctypedef struct ATADevState
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync{
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Flag indicating whether the current command uses LBA48 mode. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync bool fLBA48;
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /** Flag indicating whether this drive implements the ATAPI command set. */
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync bool fATAPI;
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /** Set if this interface has asserted the IRQ. */
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync bool fIrqPending;
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /** Currently configured number of sectors in a multi-sector transfer. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t cMultSectors;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** PCHS disk geometry. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync PDMMEDIAGEOMETRY PCHSGeometry;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Total number of sectors on this disk. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint64_t cTotalSectors;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Number of sectors to transfer per IRQ. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t cSectorsPerIRQ;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** ATA/ATAPI register 1: feature (write-only). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegFeature;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** ATA/ATAPI register 1: feature, high order byte. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegFeatureHOB;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 1: error (read-only). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegError;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 2: sector count (read/write). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegNSector;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 2: sector count, high order byte. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegNSectorHOB;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 3: sector (read/write). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegSector;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 3: sector, high order byte. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegSectorHOB;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 4: cylinder low (read/write). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegLCyl;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 4: cylinder low, high order byte. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegLCylHOB;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 5: cylinder high (read/write). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegHCyl;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 5: cylinder high, high order byte. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegHCylHOB;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 6: select drive/head (read/write). */
93f91841f87620d1cb6d0238b3d0d5e52cd3b9a4vboxsync uint8_t uATARegSelect;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 7: status (read-only). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegStatus;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI register 7: command (write-only). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegCommand;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI drive control register (write-only). */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATARegDevCtl;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Currently active transfer mode (MDMA/UDMA) and speed. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uATATransferMode;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Current transfer direction. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uTxDir;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Index of callback for begin transfer. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t iBeginTransfer;
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync /** Index of callback for source/sink of data. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t iSourceSink;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Flag indicating whether the current command transfers data in DMA mode. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync bool fDMA;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Set to indicate that ATAPI transfer semantics must be used. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync bool fATAPITransfer;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Total ATA/ATAPI transfer size, shared PIO/DMA. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t cbTotalTransfer;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Elementary ATA/ATAPI transfer size, shared PIO/DMA. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t cbElementaryTransfer;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Current read/write buffer position, shared PIO/DMA. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t iIOBufferCur;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** First element beyond end of valid buffer content, shared PIO/DMA. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint32_t iIOBufferEnd;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** ATA/ATAPI current PIO read/write transfer position. Not shared with DMA for safety reasons. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t iIOBufferPIODataStart;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATA/ATAPI current PIO read/write transfer end. Not shared with DMA for safety reasons. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t iIOBufferPIODataEnd;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync /** ATAPI current LBA position. */
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync uint32_t iATAPILBA;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATAPI current sector size. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t cbATAPISector;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATAPI current command. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t aATAPICmd[ATAPI_PACKET_SIZE];
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** ATAPI sense data. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t abATAPISense[ATAPI_SENSE_SIZE];
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** HACK: Countdown till we report a newly unmounted drive as mounted. */
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync uint8_t cNotifiedMediaChange;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** The same for GET_EVENT_STATUS for mechanism */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync volatile uint32_t MediaEventStatus;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint32_t Alignment0;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** The status LED state for this drive. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync PDMLED Led;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Size of I/O buffer. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t cbIOBuffer;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Pointer to the I/O buffer. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync R3PTRTYPE(uint8_t *) pbIOBufferR3;
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync /** Pointer to the I/O buffer. */
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync R0PTRTYPE(uint8_t *) pbIOBufferR0;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Pointer to the I/O buffer. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync RCPTRTYPE(uint8_t *) pbIOBufferRC;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync RTRCPTR Aligmnent1; /**< Align the statistics at an 8-byte boundrary. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync /*
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync * No data that is part of the saved state after this point!!!!!
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /* Release statistics: number of ATA DMA commands. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMCOUNTER StatATADMA;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /* Release statistics: number of ATA PIO commands. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync STAMCOUNTER StatATAPIO;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /* Release statistics: number of ATAPI PIO commands. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync STAMCOUNTER StatATAPIDMA;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /* Release statistics: number of ATAPI PIO commands. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMCOUNTER StatATAPIPIO;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#ifdef VBOX_INSTRUMENT_DMA_WRITES
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /* Release statistics: number of DMA sector writes and the time spent. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMPROFILEADV StatInstrVDWrites;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#endif
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /** Statistics: number of read operations and the time spent reading. */
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync STAMPROFILEADV StatReads;
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /** Statistics: number of bytes read. */
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync STAMCOUNTER StatBytesRead;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Statistics: number of write operations and the time spent writing. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMPROFILEADV StatWrites;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Statistics: number of bytes written. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMCOUNTER StatBytesWritten;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Statistics: number of flush operations and the time spend flushing. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMPROFILE StatFlushes;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Enable passing through commands directly to the ATAPI drive. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync bool fATAPIPassthrough;
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /** Number of errors we've reported to the release log.
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * This is to prevent flooding caused by something going horribly wrong.
d5ea45cc92d7f1d3ade8189944531f665bfe8ed5vboxsync * this value against MAX_LOG_REL_ERRORS in places likely to cause floods
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * like the ones we currently seeing on the linux smoke tests (2006-11-10). */
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync uint32_t cErrors;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Timestamp of last started command. 0 if no command pending. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint64_t u64CmdTS;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Pointer to the attached driver's base interface. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync R3PTRTYPE(PPDMIBASE) pDrvBase;
a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /** Pointer to the attached driver's block interface. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync R3PTRTYPE(PPDMIBLOCK) pDrvBlock;
d5ea45cc92d7f1d3ade8189944531f665bfe8ed5vboxsync /** Pointer to the attached driver's block bios interface. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync R3PTRTYPE(PPDMIBLOCKBIOS) pDrvBlockBios;
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync /** Pointer to the attached driver's mount interface.
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync * This is NULL if the driver isn't a removable unit. */
0dd6dfbebcda0af90da4413aaea5f3b9d1817556vboxsync R3PTRTYPE(PPDMIMOUNT) pDrvMount;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** The base interface. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync PDMIBASE IBase;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** The block port interface. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync PDMIBLOCKPORT IPort;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The mount notify interface. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync PDMIMOUNTNOTIFY IMountNotify;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** The LUN #. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync RTUINT iLUN;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync RTUINT Alignment2; /**< Align pDevInsR3 correctly. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** Pointer to device instance. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync PPDMDEVINSR3 pDevInsR3;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** Pointer to controller instance. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync R3PTRTYPE(struct ATACONTROLLER *) pControllerR3;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** Pointer to device instance. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync PPDMDEVINSR0 pDevInsR0;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** Pointer to controller instance. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync R0PTRTYPE(struct ATACONTROLLER *) pControllerR0;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** Pointer to device instance. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync PPDMDEVINSRC pDevInsRC;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** Pointer to controller instance. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync RCPTRTYPE(struct ATACONTROLLER *) pControllerRC;
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** The serial number to use for IDENTIFY DEVICE commands. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync char szSerialNumber[ATA_SERIAL_NUMBER_LENGTH+1];
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** The firmware revision to use for IDENTIFY DEVICE commands. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync char szFirmwareRevision[ATA_FIRMWARE_REVISION_LENGTH+1];
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** The model number to use for IDENTIFY DEVICE commands. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync char szModelNumber[ATA_MODEL_NUMBER_LENGTH+1];
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** The vendor identification string for SCSI INQUIRY commands. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync char szInquiryVendorId[ATAPI_INQUIRY_VENDOR_ID_LENGTH+1];
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** The product identification string for SCSI INQUIRY commands. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync char szInquiryProductId[ATAPI_INQUIRY_PRODUCT_ID_LENGTH+1];
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync /** The revision string for SCSI INQUIRY commands. */
fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync char szInquiryRevision[ATAPI_INQUIRY_REVISION_LENGTH+1];
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t abAlignment3[7];
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync} ATADevState;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsyncAssertCompileMemberAlignment(ATADevState, cTotalSectors, 8);
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsyncAssertCompileMemberAlignment(ATADevState, StatATADMA, 8);
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsyncAssertCompileMemberAlignment(ATADevState, u64CmdTS, 8);
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsyncAssertCompileMemberAlignment(ATADevState, pDevInsR3, 8);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncAssertCompileMemberAlignment(ATADevState, szSerialNumber, 8);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncAssertCompileSizeAlignment(ATADevState, 8);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsynctypedef struct ATATransferRequest
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t iIf;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t iBeginTransfer;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t iSourceSink;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t cbTotalTransfer;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint8_t uTxDir;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync} ATATransferRequest;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsynctypedef struct ATAAbortRequest
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync{
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync uint8_t iIf;
0c4004948fca34f2db87e7b38013137e9472c306vboxsync bool fResetDrive;
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync} ATAAbortRequest;
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsynctypedef enum
0c4004948fca34f2db87e7b38013137e9472c306vboxsync{
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /** Begin a new transfer. */
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync ATA_AIO_NEW = 0,
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync /** Continue a DMA transfer. */
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync ATA_AIO_DMA,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Continue a PIO transfer. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATA_AIO_PIO,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Reset the drives on current controller, stop all transfer activity. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync ATA_AIO_RESET_ASSERTED,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Reset the drives on current controller, resume operation. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATA_AIO_RESET_CLEARED,
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /** Abort the current transfer of a particular drive. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATA_AIO_ABORT
0c4004948fca34f2db87e7b38013137e9472c306vboxsync} ATAAIO;
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsynctypedef struct ATARequest
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAAIO ReqType;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync union
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync {
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATATransferRequest t;
0c4004948fca34f2db87e7b38013137e9472c306vboxsync ATAAbortRequest a;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync } u;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync} ATARequest;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsynctypedef struct ATACONTROLLER
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The base of the first I/O Port range. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync RTIOPORT IOPortBase1;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The base of the second I/O Port range. (0 if none) */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync RTIOPORT IOPortBase2;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The assigned IRQ. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync RTUINT irq;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Access critical section */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync PDMCRITSECT lock;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Selected drive. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t iSelectedIf;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The interface on which to handle async I/O. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t iAIOIf;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The state of the async I/O thread. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t uAsyncIOState;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Flag indicating whether the next transfer is part of the current command. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync bool fChainedTransfer;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Set when the reset processing is currently active on this controller. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync bool fReset;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Flag whether the current transfer needs to be redone. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync bool fRedo;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Flag whether the redo suspend has been finished. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync bool fRedoIdle;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Flag whether the DMA operation to be redone is the final transfer. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync bool fRedoDMALastDesc;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** The BusMaster DMA state. */
8a339f91959bb7a3315b51a23461b68c7b0cb50evboxsync BMDMAState BmDma;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Pointer to first DMA descriptor. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync RTGCPHYS32 pFirstDMADesc;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Pointer to last DMA descriptor. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync RTGCPHYS32 pLastDMADesc;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Pointer to current DMA buffer (for redo operations). */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync RTGCPHYS32 pRedoDMABuffer;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Size of current DMA buffer (for redo operations). */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync uint32_t cbRedoDMABuffer;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The ATA/ATAPI interfaces of this controller. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATADevState aIfs[2];
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Pointer to device instance. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync PPDMDEVINSR3 pDevInsR3;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Pointer to device instance. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync PPDMDEVINSR0 pDevInsR0;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Pointer to device instance. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync PPDMDEVINSRC pDevInsRC;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Set when the destroying the device instance and the thread must exit. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync uint32_t volatile fShutdown;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** The async I/O thread handle. NIL_RTTHREAD if no thread. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync RTTHREAD AsyncIOThread;
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync /** The event semaphore the thread is waiting on for requests. */
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync RTSEMEVENT AsyncIOSem;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** The request queue for the AIO thread. One element is always unused. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync ATARequest aAsyncIORequests[4];
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** The position at which to insert a new request for the AIO thread. */
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync uint8_t AsyncIOReqHead;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** The position at which to get a new request for the AIO thread. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t AsyncIOReqTail;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Whether to call PDMDevHlpAsyncNotificationCompleted when idle. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync bool volatile fSignalIdle;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint8_t Alignment3[1]; /**< Explicit padding of the 1 byte gap. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** Magic delay before triggering interrupts in DMA mode. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync uint32_t DelayIRQMillies;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The mutex protecting the request queue. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync RTSEMMUTEX AsyncIORequestMutex;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** The event semaphore the thread is waiting on during suspended I/O. */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync RTSEMEVENT SuspendIOSem;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync#if 0 /*HC_ARCH_BITS == 32*/
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint32_t Alignment0;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync#endif
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /** Timestamp we started the reset. */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint64_t u64ResetTime;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync /* Statistics */
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMCOUNTER StatAsyncOps;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint64_t StatAsyncMinWait;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync uint64_t StatAsyncMaxWait;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMCOUNTER StatAsyncTimeUS;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMPROFILEADV StatAsyncTime;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync STAMPROFILE StatLockWait;
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync} ATACONTROLLER, *PATACONTROLLER;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncAssertCompileMemberAlignment(ATACONTROLLER, lock, 8);
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsyncAssertCompileMemberAlignment(ATACONTROLLER, aIfs, 8);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncAssertCompileMemberAlignment(ATACONTROLLER, u64ResetTime, 8);
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsyncAssertCompileMemberAlignment(ATACONTROLLER, StatAsyncOps, 8);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsynctypedef enum CHIPSET
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync /** PIIX3 chipset, must be 0 for saved state compatibility */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync CHIPSET_PIIX3 = 0,
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync /** PIIX4 chipset, must be 1 for saved state compatibility */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync CHIPSET_PIIX4 = 1,
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync /** ICH6 chipset */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync CHIPSET_ICH6 = 2
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync} CHIPSET;
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/**
a39ea3668b7019c23a68936259545f9b71bce1aavboxsync * The state of the ATA PCI device.
0db6a029780d9f9b347500e117320a8d5661efe5vboxsync *
da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync * @extends PCIDEVICE
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync * @implements PDMILEDPORTS
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsynctypedef struct PCIATAState
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync PCIDEVICE dev;
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync /** The controllers. */
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync ATACONTROLLER aCts[2];
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /** Pointer to device instance. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync PPDMDEVINSR3 pDevIns;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Status LUN: Base interface. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync PDMIBASE IBase;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Status LUN: Leds interface. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync PDMILEDPORTS ILeds;
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /** Status LUN: Partner of ILeds. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync R3PTRTYPE(PPDMILEDCONNECTORS) pLedsConnector;
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /** Flag whether GC is enabled. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync bool fGCEnabled;
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /** Flag whether R0 is enabled. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync bool fR0Enabled;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync /** Flag indicating chipset being emulated. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync uint8_t u8Type;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync bool Alignment0[HC_ARCH_BITS == 64 ? 5 : 1 ]; /**< Align the struct size. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync} PCIATAState;
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync#define PDMIBASE_2_PCIATASTATE(pInterface) ( (PCIATAState *)((uintptr_t)(pInterface) - RT_OFFSETOF(PCIATAState, IBase)) )
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync#define PDMILEDPORTS_2_PCIATASTATE(pInterface) ( (PCIATAState *)((uintptr_t)(pInterface) - RT_OFFSETOF(PCIATAState, ILeds)) )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#define PDMIBLOCKPORT_2_ATASTATE(pInterface) ( (ATADevState *)((uintptr_t)(pInterface) - RT_OFFSETOF(ATADevState, IPort)) )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#define PDMIMOUNT_2_ATASTATE(pInterface) ( (ATADevState *)((uintptr_t)(pInterface) - RT_OFFSETOF(ATADevState, IMount)) )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#define PDMIMOUNTNOTIFY_2_ATASTATE(pInterface) ( (ATADevState *)((uintptr_t)(pInterface) - RT_OFFSETOF(ATADevState, IMountNotify)) )
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync#define PCIDEV_2_PCIATASTATE(pPciDev) ( (PCIATAState *)(pPciDev) )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#define ATACONTROLLER_IDX(pController) ( (pController) - PDMINS_2_DATA(CONTROLLER_2_DEVINS(pController), PCIATAState *)->aCts )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync#define ATADEVSTATE_2_CONTROLLER(pIf) ( (pIf)->CTX_SUFF(pController) )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#define ATADEVSTATE_2_DEVINS(pIf) ( (pIf)->CTX_SUFF(pDevIns) )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#define CONTROLLER_2_DEVINS(pController) ( (pController)->CTX_SUFF(pDevIns) )
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync#define PDMIBASE_2_ATASTATE(pInterface) ( (ATADevState *)((uintptr_t)(pInterface) - RT_OFFSETOF(ATADevState, IBase)) )
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync#ifndef VBOX_DEVICE_STRUCT_TESTCASE
0c4004948fca34f2db87e7b38013137e9472c306vboxsync/*******************************************************************************
0c4004948fca34f2db87e7b38013137e9472c306vboxsync * Internal Functions *
0c4004948fca34f2db87e7b38013137e9472c306vboxsync ******************************************************************************/
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsyncRT_C_DECLS_BEGIN
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncPDMBOTHCBDECL(int) ataIOPortWrite1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb);
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncPDMBOTHCBDECL(int) ataIOPortRead1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *u32, unsigned cb);
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsyncPDMBOTHCBDECL(int) ataIOPortWriteStr1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, RTGCPTR *pGCPtrSrc, PRTGCUINTREG pcTransfer, unsigned cb);
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncPDMBOTHCBDECL(int) ataIOPortReadStr1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, RTGCPTR *pGCPtrDst, PRTGCUINTREG pcTransfer, unsigned cb);
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncPDMBOTHCBDECL(int) ataIOPortWrite2(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb);
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncPDMBOTHCBDECL(int) ataIOPortRead2(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *u32, unsigned cb);
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncPDMBOTHCBDECL(int) ataBMDMAIOPortWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb);
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncPDMBOTHCBDECL(int) ataBMDMAIOPortRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb);
0c4004948fca34f2db87e7b38013137e9472c306vboxsyncRT_C_DECLS_END
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsyncDECLINLINE(void) ataSetStatusValue(ATADevState *s, uint8_t stat)
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync{
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync /* Freeze status register contents while processing RESET. */
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync if (!pCtl->fReset)
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync {
0c4004948fca34f2db87e7b38013137e9472c306vboxsync s->uATARegStatus = stat;
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync Log2(("%s: LUN#%d status %#04x\n", __FUNCTION__, s->iLUN, s->uATARegStatus));
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync }
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync}
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsyncDECLINLINE(void) ataSetStatus(ATADevState *s, uint8_t stat)
0c4004948fca34f2db87e7b38013137e9472c306vboxsync{
0c4004948fca34f2db87e7b38013137e9472c306vboxsync PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /* Freeze status register contents while processing RESET. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync if (!pCtl->fReset)
0c4004948fca34f2db87e7b38013137e9472c306vboxsync {
0c4004948fca34f2db87e7b38013137e9472c306vboxsync s->uATARegStatus |= stat;
0c4004948fca34f2db87e7b38013137e9472c306vboxsync Log2(("%s: LUN#%d status %#04x\n", __FUNCTION__, s->iLUN, s->uATARegStatus));
0c4004948fca34f2db87e7b38013137e9472c306vboxsync }
0c4004948fca34f2db87e7b38013137e9472c306vboxsync}
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsyncDECLINLINE(void) ataUnsetStatus(ATADevState *s, uint8_t stat)
0c4004948fca34f2db87e7b38013137e9472c306vboxsync{
0c4004948fca34f2db87e7b38013137e9472c306vboxsync PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
0c4004948fca34f2db87e7b38013137e9472c306vboxsync /* Freeze status register contents while processing RESET. */
0c4004948fca34f2db87e7b38013137e9472c306vboxsync if (!pCtl->fReset)
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync {
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync s->uATARegStatus &= ~stat;
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync Log2(("%s: LUN#%d status %#04x\n", __FUNCTION__, s->iLUN, s->uATARegStatus));
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync }
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync}
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync#ifdef IN_RING3
0c4004948fca34f2db87e7b38013137e9472c306vboxsync
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsynctypedef void (*PBeginTransferFunc)(ATADevState *);
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsynctypedef bool (*PSourceSinkFunc)(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic void ataReadWriteSectorsBT(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic void ataPacketBT(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic void atapiCmdBT(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic void atapiPassthroughCmdBT(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool ataIdentifySS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool ataFlushSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool ataReadSectorsSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool ataWriteSectorsSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool ataExecuteDeviceDiagnosticSS(ATADevState *);
e74eef731a813e4e06680c587a6759b9974b29c9vboxsyncstatic bool ataPacketSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool atapiGetConfigurationSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool atapiGetEventStatusNotificationSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool atapiIdentifySS(ATADevState *);
8cd2f2e64725096acb682f34a5568b7fb816eda7vboxsyncstatic bool atapiInquirySS(ATADevState *);
8cd2f2e64725096acb682f34a5568b7fb816eda7vboxsyncstatic bool atapiMechanismStatusSS(ATADevState *);
8cd2f2e64725096acb682f34a5568b7fb816eda7vboxsyncstatic bool atapiModeSenseErrorRecoverySS(ATADevState *);
e74eef731a813e4e06680c587a6759b9974b29c9vboxsyncstatic bool atapiModeSenseCDStatusSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool atapiReadSS(ATADevState *);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic bool atapiReadCapacitySS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiReadDiscInformationSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiReadTOCNormalSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiReadTOCMultiSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiReadTOCRawSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiReadTrackInformationSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiRequestSenseSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiPassthroughSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsyncstatic bool atapiReadDVDStructureSS(ATADevState *);
26947320577c481b4afefdb0afbb855181e5b2e8vboxsync
26947320577c481b4afefdb0afbb855181e5b2e8vboxsync/**
26947320577c481b4afefdb0afbb855181e5b2e8vboxsync * Begin of transfer function indexes for g_apfnBeginTransFuncs.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsynctypedef enum ATAFNBT
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_BT_NULL = 0,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_BT_READ_WRITE_SECTORS,
cba6719bd64ec749967bbe931230452664109857vboxsync ATAFN_BT_PACKET,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_BT_ATAPI_CMD,
c28fa006ba669ad8f26ae31d00a338379c04ea1bvboxsync ATAFN_BT_ATAPI_PASSTHROUGH_CMD,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_BT_MAX
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync} ATAFNBT;
c28fa006ba669ad8f26ae31d00a338379c04ea1bvboxsync
e74eef731a813e4e06680c587a6759b9974b29c9vboxsync/**
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Array of end transfer functions, the index is ATAFNET.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Make sure ATAFNET and this array match!
a8139954a84d6e9090dd3a8371aa788351d45bc3vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic const PBeginTransferFunc g_apfnBeginTransFuncs[ATAFN_BT_MAX] =
a8139954a84d6e9090dd3a8371aa788351d45bc3vboxsync{
a8139954a84d6e9090dd3a8371aa788351d45bc3vboxsync NULL,
a8139954a84d6e9090dd3a8371aa788351d45bc3vboxsync ataReadWriteSectorsBT,
a8139954a84d6e9090dd3a8371aa788351d45bc3vboxsync ataPacketBT,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync atapiCmdBT,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiPassthroughCmdBT,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync};
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/**
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Source/sink function indexes for g_apfnSourceSinkFuncs.
cba6719bd64ec749967bbe931230452664109857vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsynctypedef enum ATAFNSS
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_NULL = 0,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_IDENTIFY,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_FLUSH,
da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync ATAFN_SS_READ_SECTORS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_WRITE_SECTORS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_EXECUTE_DEVICE_DIAGNOSTIC,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_PACKET,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_GET_CONFIGURATION,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_GET_EVENT_STATUS_NOTIFICATION,
da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync ATAFN_SS_ATAPI_IDENTIFY,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_INQUIRY,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_MECHANISM_STATUS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_MODE_SENSE_ERROR_RECOVERY,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_MODE_SENSE_CD_STATUS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_READ,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_READ_CAPACITY,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_READ_DISC_INFORMATION,
0db6a029780d9f9b347500e117320a8d5661efe5vboxsync ATAFN_SS_ATAPI_READ_TOC_NORMAL,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_READ_TOC_MULTI,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_READ_TOC_RAW,
da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync ATAFN_SS_ATAPI_READ_TRACK_INFORMATION,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_REQUEST_SENSE,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_ATAPI_PASSTHROUGH,
0db6a029780d9f9b347500e117320a8d5661efe5vboxsync ATAFN_SS_ATAPI_READ_DVD_STRUCTURE,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ATAFN_SS_MAX
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync} ATAFNSS;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/**
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Array of source/sink functions, the index is ATAFNSS.
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * Make sure ATAFNSS and this array match!
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic const PSourceSinkFunc g_apfnSourceSinkFuncs[ATAFN_SS_MAX] =
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync NULL,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ataIdentifySS,
da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync ataFlushSS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ataReadSectorsSS,
cba6719bd64ec749967bbe931230452664109857vboxsync ataWriteSectorsSS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync ataExecuteDeviceDiagnosticSS,
9b789c281103a2489742bf32f6ab500e38b2ecd5vboxsync ataPacketSS,
9b789c281103a2489742bf32f6ab500e38b2ecd5vboxsync atapiGetConfigurationSS,
9b789c281103a2489742bf32f6ab500e38b2ecd5vboxsync atapiGetEventStatusNotificationSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiIdentifySS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiInquirySS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiMechanismStatusSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiModeSenseErrorRecoverySS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiModeSenseCDStatusSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiReadSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiReadCapacitySS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiReadDiscInformationSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiReadTOCNormalSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiReadTOCMultiSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiReadTOCRawSS,
ea779b55cc87f3e3fadddca4672c6697c82606edvboxsync atapiReadTrackInformationSS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync atapiRequestSenseSS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync atapiPassthroughSS,
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync atapiReadDVDStructureSS
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync};
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9b789c281103a2489742bf32f6ab500e38b2ecd5vboxsyncstatic const ATARequest g_ataDMARequest = { ATA_AIO_DMA, };
9b789c281103a2489742bf32f6ab500e38b2ecd5vboxsyncstatic const ATARequest g_ataPIORequest = { ATA_AIO_PIO, };
9b789c281103a2489742bf32f6ab500e38b2ecd5vboxsyncstatic const ATARequest g_ataResetARequest = { ATA_AIO_RESET_ASSERTED, };
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic const ATARequest g_ataResetCRequest = { ATA_AIO_RESET_CLEARED, };
c91345f92b829d3fba05ce7a97206d83c5183ce0vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
c91345f92b829d3fba05ce7a97206d83c5183ce0vboxsyncstatic void ataAsyncIOClearRequests(PATACONTROLLER pCtl)
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync int rc;
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync rc = RTSemMutexRequest(pCtl->AsyncIORequestMutex, RT_INDEFINITE_WAIT);
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync AssertRC(rc);
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync pCtl->AsyncIOReqHead = 0;
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync pCtl->AsyncIOReqTail = 0;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync rc = RTSemMutexRelease(pCtl->AsyncIORequestMutex);
fbf08fabb4c4b383d6aa2830c2bd5b943a26f10cvboxsync AssertRC(rc);
fbf08fabb4c4b383d6aa2830c2bd5b943a26f10cvboxsync}
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic void ataAsyncIOPutRequest(PATACONTROLLER pCtl, const ATARequest *pReq)
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync int rc;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync rc = RTSemMutexRequest(pCtl->AsyncIORequestMutex, RT_INDEFINITE_WAIT);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync AssertRC(rc);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync Assert((pCtl->AsyncIOReqHead + 1) % RT_ELEMENTS(pCtl->aAsyncIORequests) != pCtl->AsyncIOReqTail);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync memcpy(&pCtl->aAsyncIORequests[pCtl->AsyncIOReqHead], pReq, sizeof(*pReq));
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync pCtl->AsyncIOReqHead++;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync pCtl->AsyncIOReqHead %= RT_ELEMENTS(pCtl->aAsyncIORequests);
5b465a7c1237993faf8bb50120d247f3f0319adavboxsync rc = RTSemMutexRelease(pCtl->AsyncIORequestMutex);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync AssertRC(rc);
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync rc = PDMR3CritSectScheduleExitEvent(&pCtl->lock, pCtl->AsyncIOSem);
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync if (RT_FAILURE(rc))
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync {
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync rc = RTSemEventSignal(pCtl->AsyncIOSem);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync AssertRC(rc);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync }
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync}
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic const ATARequest *ataAsyncIOGetCurrentRequest(PATACONTROLLER pCtl)
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync{
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync int rc;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync const ATARequest *pReq;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync rc = RTSemMutexRequest(pCtl->AsyncIORequestMutex, RT_INDEFINITE_WAIT);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync AssertRC(rc);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync if (pCtl->AsyncIOReqHead != pCtl->AsyncIOReqTail)
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync pReq = &pCtl->aAsyncIORequests[pCtl->AsyncIOReqTail];
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync else
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync pReq = NULL;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync rc = RTSemMutexRelease(pCtl->AsyncIORequestMutex);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync AssertRC(rc);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync return pReq;
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync}
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync
d4e9ccea0ea1ed303b5708ff94f6c202755f0dc6vboxsync
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync/**
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync * Remove the request with the given type, as it's finished. The request
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * is not removed blindly, as this could mean a RESET request that is not
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * yet processed (but has cleared the request queue) is lost.
cba6719bd64ec749967bbe931230452664109857vboxsync *
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync * @param pCtl Controller for which to remove the request.
cba6719bd64ec749967bbe931230452664109857vboxsync * @param ReqType Type of the request to remove.
d7125f3a1b435761c393f9ec406e85a73ae2a3e7vboxsync */
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsyncstatic void ataAsyncIORemoveCurrentRequest(PATACONTROLLER pCtl, ATAAIO ReqType)
8f0fc87a72dee210b62acc9dd859a4bebf8bfb33vboxsync{
cba6719bd64ec749967bbe931230452664109857vboxsync int rc;
cba6719bd64ec749967bbe931230452664109857vboxsync
cba6719bd64ec749967bbe931230452664109857vboxsync rc = RTSemMutexRequest(pCtl->AsyncIORequestMutex, RT_INDEFINITE_WAIT);
cba6719bd64ec749967bbe931230452664109857vboxsync AssertRC(rc);
9dca051a5f8ff457ef1692990f6ecfa280daf265vboxsync if (pCtl->AsyncIOReqHead != pCtl->AsyncIOReqTail && pCtl->aAsyncIORequests[pCtl->AsyncIOReqTail].ReqType == ReqType)
44a2ecaf2d0fc196ab76cab13b3f909299e386d1vboxsync {
pCtl->AsyncIOReqTail++;
pCtl->AsyncIOReqTail %= RT_ELEMENTS(pCtl->aAsyncIORequests);
}
rc = RTSemMutexRelease(pCtl->AsyncIORequestMutex);
AssertRC(rc);
}
/**
* Dump the request queue for a particular controller. First dump the queue
* contents, then the already processed entries, as long as they haven't been
* overwritten.
*
* @param pCtl Controller for which to dump the queue.
*/
static void ataAsyncIODumpRequests(PATACONTROLLER pCtl)
{
int rc;
uint8_t curr;
rc = RTSemMutexRequest(pCtl->AsyncIORequestMutex, RT_INDEFINITE_WAIT);
AssertRC(rc);
LogRel(("PIIX3 ATA: Ctl#%d: request queue dump (topmost is current):\n", ATACONTROLLER_IDX(pCtl)));
curr = pCtl->AsyncIOReqTail;
do
{
if (curr == pCtl->AsyncIOReqHead)
LogRel(("PIIX3 ATA: Ctl#%d: processed requests (topmost is oldest):\n", ATACONTROLLER_IDX(pCtl)));
switch (pCtl->aAsyncIORequests[curr].ReqType)
{
case ATA_AIO_NEW:
LogRel(("new transfer request, iIf=%d iBeginTransfer=%d iSourceSink=%d cbTotalTransfer=%d uTxDir=%d\n", pCtl->aAsyncIORequests[curr].u.t.iIf, pCtl->aAsyncIORequests[curr].u.t.iBeginTransfer, pCtl->aAsyncIORequests[curr].u.t.iSourceSink, pCtl->aAsyncIORequests[curr].u.t.cbTotalTransfer, pCtl->aAsyncIORequests[curr].u.t.uTxDir));
break;
case ATA_AIO_DMA:
LogRel(("dma transfer continuation\n"));
break;
case ATA_AIO_PIO:
LogRel(("pio transfer continuation\n"));
break;
case ATA_AIO_RESET_ASSERTED:
LogRel(("reset asserted request\n"));
break;
case ATA_AIO_RESET_CLEARED:
LogRel(("reset cleared request\n"));
break;
case ATA_AIO_ABORT:
LogRel(("abort request, iIf=%d fResetDrive=%d\n", pCtl->aAsyncIORequests[curr].u.a.iIf, pCtl->aAsyncIORequests[curr].u.a.fResetDrive));
break;
default:
LogRel(("unknown request %d\n", pCtl->aAsyncIORequests[curr].ReqType));
}
curr = (curr + 1) % RT_ELEMENTS(pCtl->aAsyncIORequests);
} while (curr != pCtl->AsyncIOReqTail);
rc = RTSemMutexRelease(pCtl->AsyncIORequestMutex);
AssertRC(rc);
}
/**
* Checks whether the request queue for a particular controller is empty
* or whether a particular controller is idle.
*
* @param pCtl Controller for which to check the queue.
* @param fStrict If set then the controller is checked to be idle.
*/
static bool ataAsyncIOIsIdle(PATACONTROLLER pCtl, bool fStrict)
{
int rc;
bool fIdle;
rc = RTSemMutexRequest(pCtl->AsyncIORequestMutex, RT_INDEFINITE_WAIT);
AssertRC(rc);
fIdle = pCtl->fRedoIdle;
if (!fIdle)
fIdle = (pCtl->AsyncIOReqHead == pCtl->AsyncIOReqTail);
if (fStrict)
fIdle &= (pCtl->uAsyncIOState == ATA_AIO_NEW);
rc = RTSemMutexRelease(pCtl->AsyncIORequestMutex);
AssertRC(rc);
return fIdle;
}
/**
* Send a transfer request to the async I/O thread.
*
* @param s Pointer to the ATA device state data.
* @param cbTotalTransfer Data transfer size.
* @param uTxDir Data transfer direction.
* @param iBeginTransfer Index of BeginTransfer callback.
* @param iSourceSink Index of SourceSink callback.
* @param fChainedTransfer Whether this is a transfer that is part of the previous command/transfer.
*/
static void ataStartTransfer(ATADevState *s, uint32_t cbTotalTransfer, uint8_t uTxDir, ATAFNBT iBeginTransfer, ATAFNSS iSourceSink, bool fChainedTransfer)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
ATARequest Req;
Assert(PDMCritSectIsOwner(&pCtl->lock));
/* Do not issue new requests while the RESET line is asserted. */
if (pCtl->fReset)
{
Log2(("%s: Ctl#%d: suppressed new request as RESET is active\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
return;
}
/* If the controller is already doing something else right now, ignore
* the command that is being submitted. Some broken guests issue commands
* twice (e.g. the Linux kernel that comes with Acronis True Image 8). */
if (!fChainedTransfer && !ataAsyncIOIsIdle(pCtl, true /*fStrict*/))
{
Log(("%s: Ctl#%d: ignored command %#04x, controller state %d\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl), s->uATARegCommand, pCtl->uAsyncIOState));
LogRel(("PIIX3 IDE: guest issued command %#04x while controller busy\n", s->uATARegCommand));
return;
}
Req.ReqType = ATA_AIO_NEW;
if (fChainedTransfer)
Req.u.t.iIf = pCtl->iAIOIf;
else
Req.u.t.iIf = pCtl->iSelectedIf;
Req.u.t.cbTotalTransfer = cbTotalTransfer;
Req.u.t.uTxDir = uTxDir;
Req.u.t.iBeginTransfer = iBeginTransfer;
Req.u.t.iSourceSink = iSourceSink;
ataSetStatusValue(s, ATA_STAT_BUSY);
pCtl->fChainedTransfer = fChainedTransfer;
/*
* Kick the worker thread into action.
*/
Log2(("%s: Ctl#%d: message to async I/O thread, new request\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
ataAsyncIOPutRequest(pCtl, &Req);
}
/**
* Send an abort command request to the async I/O thread.
*
* @param s Pointer to the ATA device state data.
* @param fResetDrive Whether to reset the drive or just abort a command.
*/
static void ataAbortCurrentCommand(ATADevState *s, bool fResetDrive)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
ATARequest Req;
Assert(PDMCritSectIsOwner(&pCtl->lock));
/* Do not issue new requests while the RESET line is asserted. */
if (pCtl->fReset)
{
Log2(("%s: Ctl#%d: suppressed aborting command as RESET is active\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
return;
}
Req.ReqType = ATA_AIO_ABORT;
Req.u.a.iIf = pCtl->iSelectedIf;
Req.u.a.fResetDrive = fResetDrive;
ataSetStatus(s, ATA_STAT_BUSY);
Log2(("%s: Ctl#%d: message to async I/O thread, abort command on LUN#%d\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl), s->iLUN));
ataAsyncIOPutRequest(pCtl, &Req);
}
static void ataSetIRQ(ATADevState *s)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
PPDMDEVINS pDevIns = ATADEVSTATE_2_DEVINS(s);
if (!(s->uATARegDevCtl & ATA_DEVCTL_DISABLE_IRQ))
{
Log2(("%s: LUN#%d asserting IRQ\n", __FUNCTION__, s->iLUN));
/* The BMDMA unit unconditionally sets BM_STATUS_INT if the interrupt
* line is asserted. It monitors the line for a rising edge. */
if (!s->fIrqPending)
pCtl->BmDma.u8Status |= BM_STATUS_INT;
/* Only actually set the IRQ line if updating the currently selected drive. */
if (s == &pCtl->aIfs[pCtl->iSelectedIf])
{
/** @todo experiment with adaptive IRQ delivery: for reads it is
* better to wait for IRQ delivery, as it reduces latency. */
if (pCtl->irq == 16)
PDMDevHlpPCISetIrqNoWait(pDevIns, 0, 1);
else
PDMDevHlpISASetIrqNoWait(pDevIns, pCtl->irq, 1);
}
}
s->fIrqPending = true;
}
#endif /* IN_RING3 */
static void ataUnsetIRQ(ATADevState *s)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
PPDMDEVINS pDevIns = ATADEVSTATE_2_DEVINS(s);
if (!(s->uATARegDevCtl & ATA_DEVCTL_DISABLE_IRQ))
{
Log2(("%s: LUN#%d deasserting IRQ\n", __FUNCTION__, s->iLUN));
/* Only actually unset the IRQ line if updating the currently selected drive. */
if (s == &pCtl->aIfs[pCtl->iSelectedIf])
{
if (pCtl->irq == 16)
PDMDevHlpPCISetIrqNoWait(pDevIns, 0, 0);
else
PDMDevHlpISASetIrqNoWait(pDevIns, pCtl->irq, 0);
}
}
s->fIrqPending = false;
}
#ifdef IN_RING3
static void ataPIOTransferStart(ATADevState *s, uint32_t start, uint32_t size)
{
Log2(("%s: LUN#%d start %d size %d\n", __FUNCTION__, s->iLUN, start, size));
s->iIOBufferPIODataStart = start;
s->iIOBufferPIODataEnd = start + size;
ataSetStatus(s, ATA_STAT_DRQ);
}
static void ataPIOTransferStop(ATADevState *s)
{
Log2(("%s: LUN#%d\n", __FUNCTION__, s->iLUN));
if (s->fATAPITransfer)
{
s->uATARegNSector = (s->uATARegNSector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
Log2(("%s: interrupt reason %#04x\n", __FUNCTION__, s->uATARegNSector));
ataSetIRQ(s);
s->fATAPITransfer = false;
}
s->cbTotalTransfer = 0;
s->cbElementaryTransfer = 0;
s->iIOBufferPIODataStart = 0;
s->iIOBufferPIODataEnd = 0;
s->iBeginTransfer = ATAFN_BT_NULL;
s->iSourceSink = ATAFN_SS_NULL;
}
static void ataPIOTransferLimitATAPI(ATADevState *s)
{
uint32_t cbLimit, cbTransfer;
cbLimit = s->uATARegLCyl | (s->uATARegHCyl << 8);
/* Use maximum transfer size if the guest requested 0. Avoids a hang. */
if (cbLimit == 0)
cbLimit = 0xfffe;
Log2(("%s: byte count limit=%d\n", __FUNCTION__, cbLimit));
if (cbLimit == 0xffff)
cbLimit--;
cbTransfer = RT_MIN(s->cbTotalTransfer, s->iIOBufferEnd - s->iIOBufferCur);
if (cbTransfer > cbLimit)
{
/* Byte count limit for clipping must be even in this case */
if (cbLimit & 1)
cbLimit--;
cbTransfer = cbLimit;
}
s->uATARegLCyl = cbTransfer;
s->uATARegHCyl = cbTransfer >> 8;
s->cbElementaryTransfer = cbTransfer;
}
static uint32_t ataGetNSectors(ATADevState *s)
{
/* 0 means either 256 (LBA28) or 65536 (LBA48) sectors. */
if (s->fLBA48)
{
if (!s->uATARegNSector && !s->uATARegNSectorHOB)
return 65536;
else
return s->uATARegNSectorHOB << 8 | s->uATARegNSector;
}
else
{
if (!s->uATARegNSector)
return 256;
else
return s->uATARegNSector;
}
}
static void ataPadString(uint8_t *pbDst, const char *pbSrc, uint32_t cbSize)
{
for (uint32_t i = 0; i < cbSize; i++)
{
if (*pbSrc)
pbDst[i ^ 1] = *pbSrc++;
else
pbDst[i ^ 1] = ' ';
}
}
static void ataSCSIPadStr(uint8_t *pbDst, const char *pbSrc, uint32_t cbSize)
{
for (uint32_t i = 0; i < cbSize; i++)
{
if (*pbSrc)
pbDst[i] = *pbSrc++;
else
pbDst[i] = ' ';
}
}
DECLINLINE(void) ataH2BE_U16(uint8_t *pbBuf, uint16_t val)
{
pbBuf[0] = val >> 8;
pbBuf[1] = val;
}
DECLINLINE(void) ataH2BE_U24(uint8_t *pbBuf, uint32_t val)
{
pbBuf[0] = val >> 16;
pbBuf[1] = val >> 8;
pbBuf[2] = val;
}
DECLINLINE(void) ataH2BE_U32(uint8_t *pbBuf, uint32_t val)
{
pbBuf[0] = val >> 24;
pbBuf[1] = val >> 16;
pbBuf[2] = val >> 8;
pbBuf[3] = val;
}
DECLINLINE(uint16_t) ataBE2H_U16(const uint8_t *pbBuf)
{
return (pbBuf[0] << 8) | pbBuf[1];
}
DECLINLINE(uint32_t) ataBE2H_U24(const uint8_t *pbBuf)
{
return (pbBuf[0] << 16) | (pbBuf[1] << 8) | pbBuf[2];
}
DECLINLINE(uint32_t) ataBE2H_U32(const uint8_t *pbBuf)
{
return (pbBuf[0] << 24) | (pbBuf[1] << 16) | (pbBuf[2] << 8) | pbBuf[3];
}
DECLINLINE(void) ataLBA2MSF(uint8_t *pbBuf, uint32_t iATAPILBA)
{
iATAPILBA += 150;
pbBuf[0] = (iATAPILBA / 75) / 60;
pbBuf[1] = (iATAPILBA / 75) % 60;
pbBuf[2] = iATAPILBA % 75;
}
DECLINLINE(uint32_t) ataMSF2LBA(const uint8_t *pbBuf)
{
return (pbBuf[0] * 60 + pbBuf[1]) * 75 + pbBuf[2];
}
static void ataCmdOK(ATADevState *s, uint8_t status)
{
s->uATARegError = 0; /* Not needed by ATA spec, but cannot hurt. */
ataSetStatusValue(s, ATA_STAT_READY | status);
}
static void ataCmdError(ATADevState *s, uint8_t uErrorCode)
{
Log(("%s: code=%#x\n", __FUNCTION__, uErrorCode));
s->uATARegError = uErrorCode;
ataSetStatusValue(s, ATA_STAT_READY | ATA_STAT_ERR);
s->cbTotalTransfer = 0;
s->cbElementaryTransfer = 0;
s->iIOBufferCur = 0;
s->iIOBufferEnd = 0;
s->uTxDir = PDMBLOCKTXDIR_NONE;
s->iBeginTransfer = ATAFN_BT_NULL;
s->iSourceSink = ATAFN_SS_NULL;
}
static uint32_t ataChecksum(void* p, size_t count)
{
uint8_t sum = 0xa5, *pp = (uint8_t*)p;
size_t i;
for (i = 0; i < count; i++)
{
sum += pp[i];
count--;
}
return (uint8_t)-(int32_t)sum;
}
static bool ataIdentifySS(ATADevState *s)
{
uint16_t *p;
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer == 512);
p = (uint16_t *)s->CTX_SUFF(pbIOBuffer);
memset(p, 0, 512);
p[0] = RT_H2LE_U16(0x0040);
p[1] = RT_H2LE_U16(RT_MIN(s->PCHSGeometry.cCylinders, 16383));
p[3] = RT_H2LE_U16(s->PCHSGeometry.cHeads);
/* Block size; obsolete, but required for the BIOS. */
p[5] = RT_H2LE_U16(512);
p[6] = RT_H2LE_U16(s->PCHSGeometry.cSectors);
ataPadString((uint8_t *)(p + 10), s->szSerialNumber, ATA_SERIAL_NUMBER_LENGTH); /* serial number */
p[20] = RT_H2LE_U16(3); /* XXX: retired, cache type */
p[21] = RT_H2LE_U16(512); /* XXX: retired, cache size in sectors */
p[22] = RT_H2LE_U16(0); /* ECC bytes per sector */
ataPadString((uint8_t *)(p + 23), s->szFirmwareRevision, ATA_FIRMWARE_REVISION_LENGTH); /* firmware version */
ataPadString((uint8_t *)(p + 27), s->szModelNumber, ATA_MODEL_NUMBER_LENGTH); /* model */
#if ATA_MAX_MULT_SECTORS > 1
p[47] = RT_H2LE_U16(0x8000 | ATA_MAX_MULT_SECTORS);
#endif
p[48] = RT_H2LE_U16(1); /* dword I/O, used by the BIOS */
p[49] = RT_H2LE_U16(1 << 11 | 1 << 9 | 1 << 8); /* DMA and LBA supported */
p[50] = RT_H2LE_U16(1 << 14); /* No drive specific standby timer minimum */
p[51] = RT_H2LE_U16(240); /* PIO transfer cycle */
p[52] = RT_H2LE_U16(240); /* DMA transfer cycle */
p[53] = RT_H2LE_U16(1 | 1 << 1 | 1 << 2); /* words 54-58,64-70,88 valid */
p[54] = RT_H2LE_U16(RT_MIN(s->PCHSGeometry.cCylinders, 16383));
p[55] = RT_H2LE_U16(s->PCHSGeometry.cHeads);
p[56] = RT_H2LE_U16(s->PCHSGeometry.cSectors);
p[57] = RT_H2LE_U16( RT_MIN(s->PCHSGeometry.cCylinders, 16383)
* s->PCHSGeometry.cHeads
* s->PCHSGeometry.cSectors);
p[58] = RT_H2LE_U16( RT_MIN(s->PCHSGeometry.cCylinders, 16383)
* s->PCHSGeometry.cHeads
* s->PCHSGeometry.cSectors >> 16);
if (s->cMultSectors)
p[59] = RT_H2LE_U16(0x100 | s->cMultSectors);
if (s->cTotalSectors <= (1 << 28) - 1)
{
p[60] = RT_H2LE_U16(s->cTotalSectors);
p[61] = RT_H2LE_U16(s->cTotalSectors >> 16);
}
else
{
/* Report maximum number of sectors possible with LBA28 */
p[60] = RT_H2LE_U16(((1 << 28) - 1) & 0xffff);
p[61] = RT_H2LE_U16(((1 << 28) - 1) >> 16);
}
p[63] = RT_H2LE_U16(ATA_TRANSFER_ID(ATA_MODE_MDMA, ATA_MDMA_MODE_MAX, s->uATATransferMode)); /* MDMA modes supported / mode enabled */
p[64] = RT_H2LE_U16(ATA_PIO_MODE_MAX > 2 ? (1 << (ATA_PIO_MODE_MAX - 2)) - 1 : 0); /* PIO modes beyond PIO2 supported */
p[65] = RT_H2LE_U16(120); /* minimum DMA multiword tx cycle time */
p[66] = RT_H2LE_U16(120); /* recommended DMA multiword tx cycle time */
p[67] = RT_H2LE_U16(120); /* minimum PIO cycle time without flow control */
p[68] = RT_H2LE_U16(120); /* minimum PIO cycle time with IORDY flow control */
p[80] = RT_H2LE_U16(0x7e); /* support everything up to ATA/ATAPI-6 */
p[81] = RT_H2LE_U16(0x22); /* conforms to ATA/ATAPI-6 */
p[82] = RT_H2LE_U16(1 << 3 | 1 << 5 | 1 << 6); /* supports power management, write cache and look-ahead */
if (s->cTotalSectors <= (1 << 28) - 1)
p[83] = RT_H2LE_U16(1 << 14 | 1 << 12); /* supports FLUSH CACHE */
else
p[83] = RT_H2LE_U16(1 << 14 | 1 << 10 | 1 << 12 | 1 << 13); /* supports LBA48, FLUSH CACHE and FLUSH CACHE EXT */
p[84] = RT_H2LE_U16(1 << 14);
p[85] = RT_H2LE_U16(1 << 3 | 1 << 5 | 1 << 6); /* enabled power management, write cache and look-ahead */
if (s->cTotalSectors <= (1 << 28) - 1)
p[86] = RT_H2LE_U16(1 << 12); /* enabled FLUSH CACHE */
else
p[86] = RT_H2LE_U16(1 << 10 | 1 << 12 | 1 << 13); /* enabled LBA48, FLUSH CACHE and FLUSH CACHE EXT */
p[87] = RT_H2LE_U16(1 << 14);
p[88] = RT_H2LE_U16(ATA_TRANSFER_ID(ATA_MODE_UDMA, ATA_UDMA_MODE_MAX, s->uATATransferMode)); /* UDMA modes supported / mode enabled */
p[93] = RT_H2LE_U16((1 | 1 << 1) << ((s->iLUN & 1) == 0 ? 0 : 8) | 1 << 13 | 1 << 14);
if (s->cTotalSectors > (1 << 28) - 1)
{
p[100] = RT_H2LE_U16(s->cTotalSectors);
p[101] = RT_H2LE_U16(s->cTotalSectors >> 16);
p[102] = RT_H2LE_U16(s->cTotalSectors >> 32);
p[103] = RT_H2LE_U16(s->cTotalSectors >> 48);
}
uint32_t uCsum = ataChecksum(p, 510);
p[255] = RT_H2LE_U16(0xa5 | (uCsum << 8)); /* Integrity word */
s->iSourceSink = ATAFN_SS_NULL;
ataCmdOK(s, ATA_STAT_SEEK);
return false;
}
static bool ataFlushSS(ATADevState *s)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
int rc;
Assert(s->uTxDir == PDMBLOCKTXDIR_NONE);
Assert(!s->cbElementaryTransfer);
PDMCritSectLeave(&pCtl->lock);
STAM_PROFILE_START(&s->StatFlushes, f);
rc = s->pDrvBlock->pfnFlush(s->pDrvBlock);
AssertRC(rc);
STAM_PROFILE_STOP(&s->StatFlushes, f);
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
ataCmdOK(s, 0);
return false;
}
static bool atapiIdentifySS(ATADevState *s)
{
uint16_t *p;
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer == 512);
p = (uint16_t *)s->CTX_SUFF(pbIOBuffer);
memset(p, 0, 512);
/* Removable CDROM, 50us response, 12 byte packets */
p[0] = RT_H2LE_U16(2 << 14 | 5 << 8 | 1 << 7 | 2 << 5 | 0 << 0);
ataPadString((uint8_t *)(p + 10), s->szSerialNumber, ATA_SERIAL_NUMBER_LENGTH); /* serial number */
p[20] = RT_H2LE_U16(3); /* XXX: retired, cache type */
p[21] = RT_H2LE_U16(512); /* XXX: retired, cache size in sectors */
ataPadString((uint8_t *)(p + 23), s->szFirmwareRevision, ATA_FIRMWARE_REVISION_LENGTH); /* firmware version */
ataPadString((uint8_t *)(p + 27), s->szModelNumber, ATA_MODEL_NUMBER_LENGTH); /* model */
p[49] = RT_H2LE_U16(1 << 11 | 1 << 9 | 1 << 8); /* DMA and LBA supported */
p[50] = RT_H2LE_U16(1 << 14); /* No drive specific standby timer minimum */
p[51] = RT_H2LE_U16(240); /* PIO transfer cycle */
p[52] = RT_H2LE_U16(240); /* DMA transfer cycle */
p[53] = RT_H2LE_U16(1 << 1 | 1 << 2); /* words 64-70,88 are valid */
p[63] = RT_H2LE_U16(ATA_TRANSFER_ID(ATA_MODE_MDMA, ATA_MDMA_MODE_MAX, s->uATATransferMode)); /* MDMA modes supported / mode enabled */
p[64] = RT_H2LE_U16(ATA_PIO_MODE_MAX > 2 ? (1 << (ATA_PIO_MODE_MAX - 2)) - 1 : 0); /* PIO modes beyond PIO2 supported */
p[65] = RT_H2LE_U16(120); /* minimum DMA multiword tx cycle time */
p[66] = RT_H2LE_U16(120); /* recommended DMA multiword tx cycle time */
p[67] = RT_H2LE_U16(120); /* minimum PIO cycle time without flow control */
p[68] = RT_H2LE_U16(120); /* minimum PIO cycle time with IORDY flow control */
p[73] = RT_H2LE_U16(0x003e); /* ATAPI CDROM major */
p[74] = RT_H2LE_U16(9); /* ATAPI CDROM minor */
p[75] = RT_H2LE_U16(1); /* queue depth 1 */
p[80] = RT_H2LE_U16(0x7e); /* support everything up to ATA/ATAPI-6 */
p[81] = RT_H2LE_U16(0x22); /* conforms to ATA/ATAPI-6 */
p[82] = RT_H2LE_U16(1 << 4 | 1 << 9); /* supports packet command set and DEVICE RESET */
p[83] = RT_H2LE_U16(1 << 14);
p[84] = RT_H2LE_U16(1 << 14);
p[85] = RT_H2LE_U16(1 << 4 | 1 << 9); /* enabled packet command set and DEVICE RESET */
p[86] = RT_H2LE_U16(0);
p[87] = RT_H2LE_U16(1 << 14);
p[88] = RT_H2LE_U16(ATA_TRANSFER_ID(ATA_MODE_UDMA, ATA_UDMA_MODE_MAX, s->uATATransferMode)); /* UDMA modes supported / mode enabled */
p[93] = RT_H2LE_U16((1 | 1 << 1) << ((s->iLUN & 1) == 0 ? 0 : 8) | 1 << 13 | 1 << 14);
/* According to ATAPI-5 spec:
*
* The use of this word is optional.
* If bits 7:0 of this word contain the signature A5h, bits 15:8
* contain the data
* structure checksum.
* The data structure checksum is the twos complement of the sum of
* all bytes in words 0 through 254 and the byte consisting of
* bits 7:0 in word 255.
* Each byte shall be added with unsigned arithmetic,
* and overflow shall be ignored.
* The sum of all 512 bytes is zero when the checksum is correct.
*/
uint32_t uCsum = ataChecksum(p, 510);
p[255] = RT_H2LE_U16(0xa5 | (uCsum << 8)); /* Integrity word */
s->iSourceSink = ATAFN_SS_NULL;
ataCmdOK(s, ATA_STAT_SEEK);
return false;
}
static void ataSetSignature(ATADevState *s)
{
s->uATARegSelect &= 0xf0; /* clear head */
/* put signature */
s->uATARegNSector = 1;
s->uATARegSector = 1;
if (s->fATAPI)
{
s->uATARegLCyl = 0x14;
s->uATARegHCyl = 0xeb;
}
else if (s->pDrvBlock)
{
s->uATARegLCyl = 0;
s->uATARegHCyl = 0;
}
else
{
s->uATARegLCyl = 0xff;
s->uATARegHCyl = 0xff;
}
}
static uint64_t ataGetSector(ATADevState *s)
{
uint64_t iLBA;
if (s->uATARegSelect & 0x40)
{
/* any LBA variant */
if (s->fLBA48)
{
/* LBA48 */
iLBA = ((uint64_t)s->uATARegHCylHOB << 40) |
((uint64_t)s->uATARegLCylHOB << 32) |
((uint64_t)s->uATARegSectorHOB << 24) |
((uint64_t)s->uATARegHCyl << 16) |
((uint64_t)s->uATARegLCyl << 8) |
s->uATARegSector;
}
else
{
/* LBA */
iLBA = ((s->uATARegSelect & 0x0f) << 24) | (s->uATARegHCyl << 16) |
(s->uATARegLCyl << 8) | s->uATARegSector;
}
}
else
{
/* CHS */
iLBA = ((s->uATARegHCyl << 8) | s->uATARegLCyl) * s->PCHSGeometry.cHeads * s->PCHSGeometry.cSectors +
(s->uATARegSelect & 0x0f) * s->PCHSGeometry.cSectors +
(s->uATARegSector - 1);
}
return iLBA;
}
static void ataSetSector(ATADevState *s, uint64_t iLBA)
{
uint32_t cyl, r;
if (s->uATARegSelect & 0x40)
{
/* any LBA variant */
if (s->fLBA48)
{
/* LBA48 */
s->uATARegHCylHOB = iLBA >> 40;
s->uATARegLCylHOB = iLBA >> 32;
s->uATARegSectorHOB = iLBA >> 24;
s->uATARegHCyl = iLBA >> 16;
s->uATARegLCyl = iLBA >> 8;
s->uATARegSector = iLBA;
}
else
{
/* LBA */
s->uATARegSelect = (s->uATARegSelect & 0xf0) | (iLBA >> 24);
s->uATARegHCyl = (iLBA >> 16);
s->uATARegLCyl = (iLBA >> 8);
s->uATARegSector = (iLBA);
}
}
else
{
/* CHS */
cyl = iLBA / (s->PCHSGeometry.cHeads * s->PCHSGeometry.cSectors);
r = iLBA % (s->PCHSGeometry.cHeads * s->PCHSGeometry.cSectors);
s->uATARegHCyl = cyl >> 8;
s->uATARegLCyl = cyl;
s->uATARegSelect = (s->uATARegSelect & 0xf0) | ((r / s->PCHSGeometry.cSectors) & 0x0f);
s->uATARegSector = (r % s->PCHSGeometry.cSectors) + 1;
}
}
static void ataWarningDiskFull(PPDMDEVINS pDevIns)
{
int rc;
LogRel(("PIIX3 ATA: Host disk full\n"));
rc = PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "DevATA_DISKFULL",
N_("Host system reported disk full. VM execution is suspended. You can resume after freeing some space"));
AssertRC(rc);
}
static void ataWarningFileTooBig(PPDMDEVINS pDevIns)
{
int rc;
LogRel(("PIIX3 ATA: File too big\n"));
rc = PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "DevATA_FILETOOBIG",
N_("Host system reported that the file size limit of the host file system has been exceeded. VM execution is suspended. You need to move your virtual hard disk to a filesystem which allows bigger files"));
AssertRC(rc);
}
static void ataWarningISCSI(PPDMDEVINS pDevIns)
{
int rc;
LogRel(("PIIX3 ATA: iSCSI target unavailable\n"));
rc = PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "DevATA_ISCSIDOWN",
N_("The iSCSI target has stopped responding. VM execution is suspended. You can resume when it is available again"));
AssertRC(rc);
}
/**
* Suspend I/O operations on a controller. Also suspends EMT, because it's
* waiting for I/O to make progress. The next attempt to perform an I/O
* operation will be made when EMT is resumed up again (as the resume
* callback below restarts I/O).
*
* @param pCtl Controller for which to suspend I/O.
*/
static void ataSuspendRedo(PATACONTROLLER pCtl)
{
PPDMDEVINS pDevIns = CONTROLLER_2_DEVINS(pCtl);
int rc;
pCtl->fRedoIdle = true;
rc = VMR3ReqCallWait(PDMDevHlpGetVM(pDevIns), VMCPUID_ANY,
(PFNRT)PDMDevHlpVMSuspend, 1, pDevIns);
AssertReleaseRC(rc);
}
bool ataIsRedoSetWarning(ATADevState *s, int rc)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
Assert(!PDMCritSectIsOwner(&pCtl->lock));
if (rc == VERR_DISK_FULL)
{
ataWarningDiskFull(ATADEVSTATE_2_DEVINS(s));
ataSuspendRedo(pCtl);
return true;
}
if (rc == VERR_FILE_TOO_BIG)
{
ataWarningFileTooBig(ATADEVSTATE_2_DEVINS(s));
ataSuspendRedo(pCtl);
return true;
}
if (rc == VERR_BROKEN_PIPE || rc == VERR_NET_CONNECTION_REFUSED)
{
/* iSCSI connection abort (first error) or failure to reestablish
* connection (second error). Pause VM. On resume we'll retry. */
ataWarningISCSI(ATADEVSTATE_2_DEVINS(s));
ataSuspendRedo(pCtl);
return true;
}
return false;
}
static int ataReadSectors(ATADevState *s, uint64_t u64Sector, void *pvBuf, uint32_t cSectors, bool *fRedo)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
int rc;
PDMCritSectLeave(&pCtl->lock);
STAM_PROFILE_ADV_START(&s->StatReads, r);
s->Led.Asserted.s.fReading = s->Led.Actual.s.fReading = 1;
rc = s->pDrvBlock->pfnRead(s->pDrvBlock, u64Sector * 512, pvBuf, cSectors * 512);
s->Led.Actual.s.fReading = 0;
STAM_PROFILE_ADV_STOP(&s->StatReads, r);
STAM_REL_COUNTER_ADD(&s->StatBytesRead, cSectors * 512);
if (RT_SUCCESS(rc))
*fRedo = false;
else
*fRedo = ataIsRedoSetWarning(s, rc);
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
return rc;
}
static int ataWriteSectors(ATADevState *s, uint64_t u64Sector, const void *pvBuf, uint32_t cSectors, bool *fRedo)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
int rc;
PDMCritSectLeave(&pCtl->lock);
STAM_PROFILE_ADV_START(&s->StatWrites, w);
s->Led.Asserted.s.fWriting = s->Led.Actual.s.fWriting = 1;
#ifdef VBOX_INSTRUMENT_DMA_WRITES
if (s->fDMA)
STAM_PROFILE_ADV_START(&s->StatInstrVDWrites, vw);
#endif
rc = s->pDrvBlock->pfnWrite(s->pDrvBlock, u64Sector * 512, pvBuf, cSectors * 512);
#ifdef VBOX_INSTRUMENT_DMA_WRITES
if (s->fDMA)
STAM_PROFILE_ADV_STOP(&s->StatInstrVDWrites, vw);
#endif
s->Led.Actual.s.fWriting = 0;
STAM_PROFILE_ADV_STOP(&s->StatWrites, w);
STAM_REL_COUNTER_ADD(&s->StatBytesWritten, cSectors * 512);
if (RT_SUCCESS(rc))
*fRedo = false;
else
*fRedo = ataIsRedoSetWarning(s, rc);
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
return rc;
}
static void ataReadWriteSectorsBT(ATADevState *s)
{
uint32_t cSectors;
cSectors = s->cbTotalTransfer / 512;
if (cSectors > s->cSectorsPerIRQ)
s->cbElementaryTransfer = s->cSectorsPerIRQ * 512;
else
s->cbElementaryTransfer = cSectors * 512;
if (s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE)
ataCmdOK(s, 0);
}
static bool ataReadSectorsSS(ATADevState *s)
{
int rc;
uint32_t cSectors;
uint64_t iLBA;
bool fRedo;
cSectors = s->cbElementaryTransfer / 512;
Assert(cSectors);
iLBA = ataGetSector(s);
Log(("%s: %d sectors at LBA %d\n", __FUNCTION__, cSectors, iLBA));
rc = ataReadSectors(s, iLBA, s->CTX_SUFF(pbIOBuffer), cSectors, &fRedo);
if (RT_SUCCESS(rc))
{
ataSetSector(s, iLBA + cSectors);
if (s->cbElementaryTransfer == s->cbTotalTransfer)
s->iSourceSink = ATAFN_SS_NULL;
ataCmdOK(s, ATA_STAT_SEEK);
}
else
{
if (fRedo)
return fRedo;
if (s->cErrors++ < MAX_LOG_REL_ERRORS)
LogRel(("PIIX3 ATA: LUN#%d: disk read error (rc=%Rrc iSector=%#RX64 cSectors=%#RX32)\n",
s->iLUN, rc, iLBA, cSectors));
/*
* Check if we got interrupted. We don't need to set status variables
* because the request was aborted.
*/
if (rc != VERR_INTERRUPTED)
ataCmdError(s, ID_ERR);
}
return false;
}
static bool ataWriteSectorsSS(ATADevState *s)
{
int rc;
uint32_t cSectors;
uint64_t iLBA;
bool fRedo;
cSectors = s->cbElementaryTransfer / 512;
Assert(cSectors);
iLBA = ataGetSector(s);
Log(("%s: %d sectors at LBA %d\n", __FUNCTION__, cSectors, iLBA));
rc = ataWriteSectors(s, iLBA, s->CTX_SUFF(pbIOBuffer), cSectors, &fRedo);
if (RT_SUCCESS(rc))
{
ataSetSector(s, iLBA + cSectors);
if (!s->cbTotalTransfer)
s->iSourceSink = ATAFN_SS_NULL;
ataCmdOK(s, ATA_STAT_SEEK);
}
else
{
if (fRedo)
return fRedo;
if (s->cErrors++ < MAX_LOG_REL_ERRORS)
LogRel(("PIIX3 ATA: LUN#%d: disk write error (rc=%Rrc iSector=%#RX64 cSectors=%#RX32)\n",
s->iLUN, rc, iLBA, cSectors));
/*
* Check if we got interrupted. We don't need to set status variables
* because the request was aborted.
*/
if (rc != VERR_INTERRUPTED)
ataCmdError(s, ID_ERR);
}
return false;
}
static void atapiCmdOK(ATADevState *s)
{
s->uATARegError = 0;
ataSetStatusValue(s, ATA_STAT_READY);
s->uATARegNSector = (s->uATARegNSector & ~7)
| ((s->uTxDir != PDMBLOCKTXDIR_TO_DEVICE) ? ATAPI_INT_REASON_IO : 0)
| (!s->cbTotalTransfer ? ATAPI_INT_REASON_CD : 0);
Log2(("%s: interrupt reason %#04x\n", __FUNCTION__, s->uATARegNSector));
memset(s->abATAPISense, '\0', sizeof(s->abATAPISense));
s->abATAPISense[0] = 0x70 | (1 << 7);
s->abATAPISense[7] = 10;
}
static void atapiCmdError(ATADevState *s, const uint8_t *pabATAPISense, size_t cbATAPISense)
{
Log(("%s: sense=%#x (%s) asc=%#x ascq=%#x (%s)\n", __FUNCTION__, pabATAPISense[2] & 0x0f, SCSISenseText(pabATAPISense[2] & 0x0f),
pabATAPISense[12], pabATAPISense[13], SCSISenseExtText(pabATAPISense[12], pabATAPISense[13])));
s->uATARegError = pabATAPISense[2] << 4;
ataSetStatusValue(s, ATA_STAT_READY | ATA_STAT_ERR);
s->uATARegNSector = (s->uATARegNSector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
Log2(("%s: interrupt reason %#04x\n", __FUNCTION__, s->uATARegNSector));
memset(s->abATAPISense, '\0', sizeof(s->abATAPISense));
memcpy(s->abATAPISense, pabATAPISense, RT_MIN(cbATAPISense, sizeof(s->abATAPISense)));
s->cbTotalTransfer = 0;
s->cbElementaryTransfer = 0;
s->iIOBufferCur = 0;
s->iIOBufferEnd = 0;
s->uTxDir = PDMBLOCKTXDIR_NONE;
s->iBeginTransfer = ATAFN_BT_NULL;
s->iSourceSink = ATAFN_SS_NULL;
}
/** @todo deprecated function - doesn't provide enough info. Replace by direct
* calls to atapiCmdError() with full data. */
static void atapiCmdErrorSimple(ATADevState *s, uint8_t uATAPISenseKey, uint8_t uATAPIASC)
{
uint8_t abATAPISense[ATAPI_SENSE_SIZE];
memset(abATAPISense, '\0', sizeof(abATAPISense));
abATAPISense[0] = 0x70 | (1 << 7);
abATAPISense[2] = uATAPISenseKey & 0x0f;
abATAPISense[7] = 10;
abATAPISense[12] = uATAPIASC;
atapiCmdError(s, abATAPISense, sizeof(abATAPISense));
}
static void atapiCmdBT(ATADevState *s)
{
s->fATAPITransfer = true;
s->cbElementaryTransfer = s->cbTotalTransfer;
if (s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE)
atapiCmdOK(s);
}
static void atapiPassthroughCmdBT(ATADevState *s)
{
/* @todo implement an algorithm for correctly determining the read and
* write sector size without sending additional commands to the drive.
* This should be doable by saving processing the configuration requests
* and replies. */
#if 0
if (s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE)
{
uint8_t cmd = s->aATAPICmd[0];
if (cmd == SCSI_WRITE_10 || cmd == SCSI_WRITE_12 || cmd == SCSI_WRITE_AND_VERIFY_10)
{
uint8_t aModeSenseCmd[10];
uint8_t aModeSenseResult[16];
uint8_t uDummySense;
uint32_t cbTransfer;
int rc;
cbTransfer = sizeof(aModeSenseResult);
aModeSenseCmd[0] = SCSI_MODE_SENSE_10;
aModeSenseCmd[1] = 0x08; /* disable block descriptor = 1 */
aModeSenseCmd[2] = (SCSI_PAGECONTROL_CURRENT << 6) | SCSI_MODEPAGE_WRITE_PARAMETER;
aModeSenseCmd[3] = 0; /* subpage code */
aModeSenseCmd[4] = 0; /* reserved */
aModeSenseCmd[5] = 0; /* reserved */
aModeSenseCmd[6] = 0; /* reserved */
aModeSenseCmd[7] = cbTransfer >> 8;
aModeSenseCmd[8] = cbTransfer & 0xff;
aModeSenseCmd[9] = 0; /* control */
rc = s->pDrvBlock->pfnSendCmd(s->pDrvBlock, aModeSenseCmd, PDMBLOCKTXDIR_FROM_DEVICE, aModeSenseResult, &cbTransfer, &uDummySense, 500);
if (RT_FAILURE(rc))
{
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_NONE);
return;
}
/* Select sector size based on the current data block type. */
switch (aModeSenseResult[12] & 0x0f)
{
case 0:
s->cbATAPISector = 2352;
break;
case 1:
s->cbATAPISector = 2368;
break;
case 2:
case 3:
s->cbATAPISector = 2448;
break;
case 8:
case 10:
s->cbATAPISector = 2048;
break;
case 9:
s->cbATAPISector = 2336;
break;
case 11:
s->cbATAPISector = 2056;
break;
case 12:
s->cbATAPISector = 2324;
break;
case 13:
s->cbATAPISector = 2332;
break;
default:
s->cbATAPISector = 0;
}
Log2(("%s: sector size %d\n", __FUNCTION__, s->cbATAPISector));
s->cbTotalTransfer *= s->cbATAPISector;
if (s->cbTotalTransfer == 0)
s->uTxDir = PDMBLOCKTXDIR_NONE;
}
}
#endif
atapiCmdBT(s);
}
static bool atapiReadSS(ATADevState *s)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
int rc = VINF_SUCCESS;
uint32_t cbTransfer, cSectors;
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
cbTransfer = RT_MIN(s->cbTotalTransfer, s->cbIOBuffer);
cSectors = cbTransfer / s->cbATAPISector;
Assert(cSectors * s->cbATAPISector <= cbTransfer);
Log(("%s: %d sectors at LBA %d\n", __FUNCTION__, cSectors, s->iATAPILBA));
PDMCritSectLeave(&pCtl->lock);
STAM_PROFILE_ADV_START(&s->StatReads, r);
s->Led.Asserted.s.fReading = s->Led.Actual.s.fReading = 1;
switch (s->cbATAPISector)
{
case 2048:
rc = s->pDrvBlock->pfnRead(s->pDrvBlock, (uint64_t)s->iATAPILBA * s->cbATAPISector, s->CTX_SUFF(pbIOBuffer), s->cbATAPISector * cSectors);
break;
case 2352:
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
for (uint32_t i = s->iATAPILBA; i < s->iATAPILBA + cSectors; i++)
{
/* Sync bytes, see 4.2.3.8 CD Main Channel Block Formats */
*pbBuf++ = 0x00;
memset(pbBuf, 0xff, 10);
pbBuf += 10;
*pbBuf++ = 0x00;
/* MSF */
ataLBA2MSF(pbBuf, i);
pbBuf += 3;
*pbBuf++ = 0x01; /* mode 1 data */
/* data */
rc = s->pDrvBlock->pfnRead(s->pDrvBlock, (uint64_t)i * 2048, pbBuf, 2048);
if (RT_FAILURE(rc))
break;
pbBuf += 2048;
/**
* @todo: maybe compute ECC and parity, layout is:
* 2072 4 EDC
* 2076 172 P parity symbols
* 2248 104 Q parity symbols
*/
memset(pbBuf, 0, 280);
pbBuf += 280;
}
}
break;
default:
break;
}
STAM_PROFILE_ADV_STOP(&s->StatReads, r);
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
if (RT_SUCCESS(rc))
{
s->Led.Actual.s.fReading = 0;
STAM_REL_COUNTER_ADD(&s->StatBytesRead, s->cbATAPISector * cSectors);
/* The initial buffer end value has been set up based on the total
* transfer size. But the I/O buffer size limits what can actually be
* done in one transfer, so set the actual value of the buffer end. */
s->cbElementaryTransfer = cbTransfer;
if (cbTransfer >= s->cbTotalTransfer)
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
s->iATAPILBA += cSectors;
}
else
{
if (s->cErrors++ < MAX_LOG_REL_ERRORS)
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM read error, %d sectors at LBA %d\n", s->iLUN, cSectors, s->iATAPILBA));
/*
* Check if we got interrupted. We don't need to set status variables
* because the request was aborted.
*/
if (rc != VERR_INTERRUPTED)
atapiCmdErrorSimple(s, SCSI_SENSE_MEDIUM_ERROR, SCSI_ASC_READ_ERROR);
}
return false;
}
static bool atapiPassthroughSS(ATADevState *s)
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
int rc = VINF_SUCCESS;
uint8_t abATAPISense[ATAPI_SENSE_SIZE];
uint32_t cbTransfer;
PSTAMPROFILEADV pProf = NULL;
cbTransfer = s->cbElementaryTransfer;
if (s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE)
Log3(("ATAPI PT data write (%d): %.*Rhxs\n", cbTransfer, cbTransfer, s->CTX_SUFF(pbIOBuffer)));
/* Simple heuristics: if there is at least one sector of data
* to transfer, it's worth updating the LEDs. */
if (cbTransfer >= 2048)
{
if (s->uTxDir != PDMBLOCKTXDIR_TO_DEVICE)
{
s->Led.Asserted.s.fReading = s->Led.Actual.s.fReading = 1;
pProf = &s->StatReads;
}
else
{
s->Led.Asserted.s.fWriting = s->Led.Actual.s.fWriting = 1;
pProf = &s->StatWrites;
}
}
PDMCritSectLeave(&pCtl->lock);
if (pProf) { STAM_PROFILE_ADV_START(pProf, b); }
if (cbTransfer > SCSI_MAX_BUFFER_SIZE)
{
/* Linux accepts commands with up to 100KB of data, but expects
* us to handle commands with up to 128KB of data. The usual
* imbalance of powers. */
uint8_t aATAPICmd[ATAPI_PACKET_SIZE];
uint32_t iATAPILBA, cSectors, cReqSectors, cbCurrTX;
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
switch (s->aATAPICmd[0])
{
case SCSI_READ_10:
case SCSI_WRITE_10:
case SCSI_WRITE_AND_VERIFY_10:
iATAPILBA = ataBE2H_U32(s->aATAPICmd + 2);
cSectors = ataBE2H_U16(s->aATAPICmd + 7);
break;
case SCSI_READ_12:
case SCSI_WRITE_12:
iATAPILBA = ataBE2H_U32(s->aATAPICmd + 2);
cSectors = ataBE2H_U32(s->aATAPICmd + 6);
break;
case SCSI_READ_CD:
iATAPILBA = ataBE2H_U32(s->aATAPICmd + 2);
cSectors = ataBE2H_U24(s->aATAPICmd + 6) / s->cbATAPISector;
break;
case SCSI_READ_CD_MSF:
iATAPILBA = ataMSF2LBA(s->aATAPICmd + 3);
cSectors = ataMSF2LBA(s->aATAPICmd + 6) - iATAPILBA;
break;
default:
AssertMsgFailed(("Don't know how to split command %#04x\n", s->aATAPICmd[0]));
if (s->cErrors++ < MAX_LOG_REL_ERRORS)
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM passthrough split error\n", s->iLUN));
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_ILLEGAL_OPCODE);
{
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
}
return false;
}
memcpy(aATAPICmd, s->aATAPICmd, ATAPI_PACKET_SIZE);
cReqSectors = 0;
for (uint32_t i = cSectors; i > 0; i -= cReqSectors)
{
if (i * s->cbATAPISector > SCSI_MAX_BUFFER_SIZE)
cReqSectors = SCSI_MAX_BUFFER_SIZE / s->cbATAPISector;
else
cReqSectors = i;
cbCurrTX = s->cbATAPISector * cReqSectors;
switch (s->aATAPICmd[0])
{
case SCSI_READ_10:
case SCSI_WRITE_10:
case SCSI_WRITE_AND_VERIFY_10:
ataH2BE_U32(aATAPICmd + 2, iATAPILBA);
ataH2BE_U16(aATAPICmd + 7, cReqSectors);
break;
case SCSI_READ_12:
case SCSI_WRITE_12:
ataH2BE_U32(aATAPICmd + 2, iATAPILBA);
ataH2BE_U32(aATAPICmd + 6, cReqSectors);
break;
case SCSI_READ_CD:
ataH2BE_U32(s->aATAPICmd + 2, iATAPILBA);
ataH2BE_U24(s->aATAPICmd + 6, cbCurrTX);
break;
case SCSI_READ_CD_MSF:
ataLBA2MSF(aATAPICmd + 3, iATAPILBA);
ataLBA2MSF(aATAPICmd + 6, iATAPILBA + cReqSectors);
break;
}
rc = s->pDrvBlock->pfnSendCmd(s->pDrvBlock, aATAPICmd, (PDMBLOCKTXDIR)s->uTxDir, pbBuf, &cbCurrTX, abATAPISense, sizeof(abATAPISense), 30000 /**< @todo timeout */);
if (rc != VINF_SUCCESS)
break;
iATAPILBA += cReqSectors;
pbBuf += s->cbATAPISector * cReqSectors;
}
}
else
rc = s->pDrvBlock->pfnSendCmd(s->pDrvBlock, s->aATAPICmd, (PDMBLOCKTXDIR)s->uTxDir, s->CTX_SUFF(pbIOBuffer), &cbTransfer, abATAPISense, sizeof(abATAPISense), 30000 /**< @todo timeout */);
if (pProf) { STAM_PROFILE_ADV_STOP(pProf, b); }
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
/* Update the LEDs and the read/write statistics. */
if (cbTransfer >= 2048)
{
if (s->uTxDir != PDMBLOCKTXDIR_TO_DEVICE)
{
s->Led.Actual.s.fReading = 0;
STAM_REL_COUNTER_ADD(&s->StatBytesRead, cbTransfer);
}
else
{
s->Led.Actual.s.fWriting = 0;
STAM_REL_COUNTER_ADD(&s->StatBytesWritten, cbTransfer);
}
}
if (RT_SUCCESS(rc))
{
if (s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE)
{
Assert(cbTransfer <= s->cbTotalTransfer);
/* Reply with the same amount of data as the real drive. */
s->cbTotalTransfer = cbTransfer;
/* The initial buffer end value has been set up based on the total
* transfer size. But the I/O buffer size limits what can actually be
* done in one transfer, so set the actual value of the buffer end. */
s->cbElementaryTransfer = cbTransfer;
if (s->aATAPICmd[0] == SCSI_INQUIRY)
{
/* Make sure that the real drive cannot be identified.
* Motivation: changing the VM configuration should be as
* invisible as possible to the guest. */
Log3(("ATAPI PT inquiry data before (%d): %.*Rhxs\n", cbTransfer, cbTransfer, s->CTX_SUFF(pbIOBuffer)));
ataSCSIPadStr(s->CTX_SUFF(pbIOBuffer) + 8, "VBOX", 8);
ataSCSIPadStr(s->CTX_SUFF(pbIOBuffer) + 16, "CD-ROM", 16);
ataSCSIPadStr(s->CTX_SUFF(pbIOBuffer) + 32, "1.0", 4);
}
if (cbTransfer)
Log3(("ATAPI PT data read (%d): %.*Rhxs\n", cbTransfer, cbTransfer, s->CTX_SUFF(pbIOBuffer)));
}
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
}
else
{
if (s->cErrors < MAX_LOG_REL_ERRORS)
{
uint8_t u8Cmd = s->aATAPICmd[0];
do
{
/* don't log superflous errors */
if ( rc == VERR_DEV_IO_ERROR
&& ( u8Cmd == SCSI_TEST_UNIT_READY
|| u8Cmd == SCSI_READ_CAPACITY
|| u8Cmd == SCSI_READ_DVD_STRUCTURE
|| u8Cmd == SCSI_READ_TOC_PMA_ATIP))
break;
s->cErrors++;
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM passthrough cmd=%#04x sense=%d ASC=%#02x ASCQ=%#02x %Rrc\n",
s->iLUN, u8Cmd, abATAPISense[2] & 0x0f, abATAPISense[12], abATAPISense[13], rc));
} while (0);
}
atapiCmdError(s, abATAPISense, sizeof(abATAPISense));
}
return false;
}
/** @todo: Revise ASAP. */
static bool atapiReadDVDStructureSS(ATADevState *s)
{
uint8_t *buf = s->CTX_SUFF(pbIOBuffer);
int media = s->aATAPICmd[1];
int format = s->aATAPICmd[7];
uint16_t max_len = ataBE2H_U16(&s->aATAPICmd[8]);
memset(buf, 0, max_len);
switch (format) {
case 0x00:
case 0x01:
case 0x02:
case 0x03:
case 0x04:
case 0x05:
case 0x06:
case 0x07:
case 0x08:
case 0x09:
case 0x0a:
case 0x0b:
case 0x0c:
case 0x0d:
case 0x0e:
case 0x0f:
case 0x10:
case 0x11:
case 0x30:
case 0x31:
case 0xff:
if (media == 0)
{
int uASC = SCSI_ASC_NONE;
switch (format)
{
case 0x0: /* Physical format information */
{
int layer = s->aATAPICmd[6];
uint64_t total_sectors;
if (layer != 0)
{
uASC = -SCSI_ASC_INV_FIELD_IN_CMD_PACKET;
break;
}
total_sectors = s->cTotalSectors;
total_sectors >>= 2;
if (total_sectors == 0)
{
uASC = -SCSI_ASC_MEDIUM_NOT_PRESENT;
break;
}
buf[4] = 1; /* DVD-ROM, part version 1 */
buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */
buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */
buf[7] = 0; /* default densities */
/* FIXME: 0x30000 per spec? */
ataH2BE_U32(buf + 8, 0); /* start sector */
ataH2BE_U32(buf + 12, total_sectors - 1); /* end sector */
ataH2BE_U32(buf + 16, total_sectors - 1); /* l0 end sector */
/* Size of buffer, not including 2 byte size field */
ataH2BE_U32(&buf[0], 2048 + 2);
/* 2k data + 4 byte header */
uASC = (2048 + 4);
}
break;
case 0x01: /* DVD copyright information */
buf[4] = 0; /* no copyright data */
buf[5] = 0; /* no region restrictions */
/* Size of buffer, not including 2 byte size field */
ataH2BE_U16(buf, 4 + 2);
/* 4 byte header + 4 byte data */
uASC = (4 + 4);
case 0x03: /* BCA information - invalid field for no BCA info */
uASC = -SCSI_ASC_INV_FIELD_IN_CMD_PACKET;
break;
case 0x04: /* DVD disc manufacturing information */
/* Size of buffer, not including 2 byte size field */
ataH2BE_U16(buf, 2048 + 2);
/* 2k data + 4 byte header */
uASC = (2048 + 4);
break;
case 0xff:
/*
* This lists all the command capabilities above. Add new ones
* in order and update the length and buffer return values.
*/
buf[4] = 0x00; /* Physical format */
buf[5] = 0x40; /* Not writable, is readable */
ataH2BE_U16((buf + 6), 2048 + 4);
buf[8] = 0x01; /* Copyright info */
buf[9] = 0x40; /* Not writable, is readable */
ataH2BE_U16((buf + 10), 4 + 4);
buf[12] = 0x03; /* BCA info */
buf[13] = 0x40; /* Not writable, is readable */
ataH2BE_U16((buf + 14), 188 + 4);
buf[16] = 0x04; /* Manufacturing info */
buf[17] = 0x40; /* Not writable, is readable */
ataH2BE_U16((buf + 18), 2048 + 4);
/* Size of buffer, not including 2 byte size field */
ataH2BE_U16(buf, 16 + 2);
/* data written + 4 byte header */
uASC = (16 + 4);
break;
default: /* TODO: formats beyond DVD-ROM requires */
uASC = -SCSI_ASC_INV_FIELD_IN_CMD_PACKET;
}
if (uASC < 0)
{
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, -uASC);
return false;
}
break;
}
/* TODO: BD support, fall through for now */
/* Generic disk structures */
case 0x80: /* TODO: AACS volume identifier */
case 0x81: /* TODO: AACS media serial number */
case 0x82: /* TODO: AACS media identifier */
case 0x83: /* TODO: AACS media key block */
case 0x90: /* TODO: List of recognized format layers */
case 0xc0: /* TODO: Write protection status */
default:
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST,
SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
return false;
}
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiReadSectors(ATADevState *s, uint32_t iATAPILBA, uint32_t cSectors, uint32_t cbSector)
{
Assert(cSectors > 0);
s->iATAPILBA = iATAPILBA;
s->cbATAPISector = cbSector;
ataStartTransfer(s, cSectors * cbSector, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ, true);
return false;
}
static bool atapiReadCapacitySS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 8);
ataH2BE_U32(pbBuf, s->cTotalSectors - 1);
ataH2BE_U32(pbBuf + 4, 2048);
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiReadDiscInformationSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 34);
memset(pbBuf, '\0', 34);
ataH2BE_U16(pbBuf, 32);
pbBuf[2] = (0 << 4) | (3 << 2) | (2 << 0); /* not erasable, complete session, complete disc */
pbBuf[3] = 1; /* number of first track */
pbBuf[4] = 1; /* number of sessions (LSB) */
pbBuf[5] = 1; /* first track number in last session (LSB) */
pbBuf[6] = 1; /* last track number in last session (LSB) */
pbBuf[7] = (0 << 7) | (0 << 6) | (1 << 5) | (0 << 2) | (0 << 0); /* disc id not valid, disc bar code not valid, unrestricted use, not dirty, not RW medium */
pbBuf[8] = 0; /* disc type = CD-ROM */
pbBuf[9] = 0; /* number of sessions (MSB) */
pbBuf[10] = 0; /* number of sessions (MSB) */
pbBuf[11] = 0; /* number of sessions (MSB) */
ataH2BE_U32(pbBuf + 16, 0x00ffffff); /* last session lead-in start time is not available */
ataH2BE_U32(pbBuf + 20, 0x00ffffff); /* last possible start time for lead-out is not available */
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiReadTrackInformationSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 36);
/* Accept address/number type of 1 only, and only track 1 exists. */
if ((s->aATAPICmd[1] & 0x03) != 1 || ataBE2H_U32(&s->aATAPICmd[2]) != 1)
{
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
return false;
}
memset(pbBuf, '\0', 36);
ataH2BE_U16(pbBuf, 34);
pbBuf[2] = 1; /* track number (LSB) */
pbBuf[3] = 1; /* session number (LSB) */
pbBuf[5] = (0 << 5) | (0 << 4) | (4 << 0); /* not damaged, primary copy, data track */
pbBuf[6] = (0 << 7) | (0 << 6) | (0 << 5) | (0 << 6) | (1 << 0); /* not reserved track, not blank, not packet writing, not fixed packet, data mode 1 */
pbBuf[7] = (0 << 1) | (0 << 0); /* last recorded address not valid, next recordable address not valid */
ataH2BE_U32(pbBuf + 8, 0); /* track start address is 0 */
ataH2BE_U32(pbBuf + 24, s->cTotalSectors); /* track size */
pbBuf[32] = 0; /* track number (MSB) */
pbBuf[33] = 0; /* session number (MSB) */
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiGetConfigurationSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
uint16_t u16Sfn = ataBE2H_U16(&s->aATAPICmd[2]);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 32);
/* Accept valid request types only, and only starting feature 0. */
if ((s->aATAPICmd[1] & 0x03) == 3 || u16Sfn != 0)
{
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
return false;
}
memset(pbBuf, '\0', 32);
ataH2BE_U32(pbBuf, 16);
/** @todo implement switching between CD-ROM and DVD-ROM profile (the only
* way to differentiate them right now is based on the image size). Also
* implement signalling "no current profile" if no medium is loaded. */
ataH2BE_U16(pbBuf + 6, 0x08); /* current profile: read-only CD */
ataH2BE_U16(pbBuf + 8, 0); /* feature 0: list of profiles supported */
pbBuf[10] = (0 << 2) | (1 << 1) | (1 || 0); /* version 0, persistent, current */
pbBuf[11] = 8; /* additional bytes for profiles */
/* The MMC-3 spec says that DVD-ROM read capability should be reported
* before CD-ROM read capability. */
ataH2BE_U16(pbBuf + 12, 0x10); /* profile: read-only DVD */
pbBuf[14] = (0 << 0); /* NOT current profile */
ataH2BE_U16(pbBuf + 16, 0x08); /* profile: read only CD */
pbBuf[18] = (1 << 0); /* current profile */
/* Other profiles we might want to add in the future: 0x40 (BD-ROM) and 0x50 (HDDVD-ROM) */
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiGetEventStatusNotificationSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 8);
if (!(s->aATAPICmd[1] & 1))
{
/* no asynchronous operation supported */
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
return false;
}
uint32_t OldStatus, NewStatus;
do
{
OldStatus = ASMAtomicReadU32(&s->MediaEventStatus);
NewStatus = ATA_EVENT_STATUS_UNCHANGED;
switch (OldStatus)
{
case ATA_EVENT_STATUS_MEDIA_NEW:
/* mount */
ataH2BE_U16(pbBuf + 0, 6);
pbBuf[2] = 0x04;
pbBuf[3] = 0x5e;
pbBuf[4] = 0x02;
pbBuf[5] = 0x02;
pbBuf[6] = 0x00;
pbBuf[7] = 0x00;
break;
case ATA_EVENT_STATUS_MEDIA_CHANGED:
case ATA_EVENT_STATUS_MEDIA_REMOVED:
/* umount */
ataH2BE_U16(pbBuf + 0, 6);
pbBuf[2] = 0x04;
pbBuf[3] = 0x5e;
pbBuf[4] = 0x03;
pbBuf[5] = 0x00;
pbBuf[6] = 0x00;
pbBuf[7] = 0x00;
if (OldStatus == ATA_EVENT_STATUS_MEDIA_CHANGED)
NewStatus = ATA_EVENT_STATUS_MEDIA_NEW;
break;
case ATA_EVENT_STATUS_UNCHANGED:
default:
ataH2BE_U16(pbBuf + 0, 6);
pbBuf[2] = 0x01;
pbBuf[3] = 0x5e;
pbBuf[4] = 0x00;
pbBuf[5] = 0x00;
pbBuf[6] = 0x00;
pbBuf[7] = 0x00;
break;
}
} while (!ASMAtomicCmpXchgU32(&s->MediaEventStatus, NewStatus, OldStatus));
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiInquirySS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 36);
pbBuf[0] = 0x05; /* CD-ROM */
pbBuf[1] = 0x80; /* removable */
#if 1/*ndef VBOX*/ /** @todo implement MESN + AENC. (async notification on removal and stuff.) */
pbBuf[2] = 0x00; /* ISO */
pbBuf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */
#else
pbBuf[2] = 0x00; /* ISO */
pbBuf[3] = 0x91; /* format 1, MESN=1, AENC=9 ??? */
#endif
pbBuf[4] = 31; /* additional length */
pbBuf[5] = 0; /* reserved */
pbBuf[6] = 0; /* reserved */
pbBuf[7] = 0; /* reserved */
ataSCSIPadStr(pbBuf + 8, s->szInquiryVendorId, 8);
ataSCSIPadStr(pbBuf + 16, s->szInquiryProductId, 16);
ataSCSIPadStr(pbBuf + 32, s->szInquiryRevision, 4);
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiModeSenseErrorRecoverySS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 16);
ataH2BE_U16(&pbBuf[0], 16 + 6);
pbBuf[2] = 0x70;
pbBuf[3] = 0;
pbBuf[4] = 0;
pbBuf[5] = 0;
pbBuf[6] = 0;
pbBuf[7] = 0;
pbBuf[8] = 0x01;
pbBuf[9] = 0x06;
pbBuf[10] = 0x00;
pbBuf[11] = 0x05;
pbBuf[12] = 0x00;
pbBuf[13] = 0x00;
pbBuf[14] = 0x00;
pbBuf[15] = 0x00;
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiModeSenseCDStatusSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 40);
ataH2BE_U16(&pbBuf[0], 38);
pbBuf[2] = 0x70;
pbBuf[3] = 0;
pbBuf[4] = 0;
pbBuf[5] = 0;
pbBuf[6] = 0;
pbBuf[7] = 0;
pbBuf[8] = 0x2a;
pbBuf[9] = 30; /* page length */
pbBuf[10] = 0x08; /* DVD-ROM read support */
pbBuf[11] = 0x00; /* no write support */
/* The following claims we support audio play. This is obviously false,
* but the Linux generic CDROM support makes many features depend on this
* capability. If it's not set, this causes many things to be disabled. */
pbBuf[12] = 0x71; /* multisession support, mode 2 form 1/2 support, audio play */
pbBuf[13] = 0x00; /* no subchannel reads supported */
pbBuf[14] = (1 << 0) | (1 << 3) | (1 << 5); /* lock supported, eject supported, tray type loading mechanism */
if (s->pDrvMount->pfnIsLocked(s->pDrvMount))
pbBuf[14] |= 1 << 1; /* report lock state */
pbBuf[15] = 0; /* no subchannel reads supported, no separate audio volume control, no changer etc. */
ataH2BE_U16(&pbBuf[16], 5632); /* (obsolete) claim 32x speed support */
ataH2BE_U16(&pbBuf[18], 2); /* number of audio volume levels */
ataH2BE_U16(&pbBuf[20], s->cbIOBuffer / _1K); /* buffer size supported in Kbyte */
ataH2BE_U16(&pbBuf[22], 5632); /* (obsolete) current read speed 32x */
pbBuf[24] = 0; /* reserved */
pbBuf[25] = 0; /* reserved for digital audio (see idx 15) */
ataH2BE_U16(&pbBuf[26], 0); /* (obsolete) maximum write speed */
ataH2BE_U16(&pbBuf[28], 0); /* (obsolete) current write speed */
ataH2BE_U16(&pbBuf[30], 0); /* copy management revision supported 0=no CSS */
pbBuf[32] = 0; /* reserved */
pbBuf[33] = 0; /* reserved */
pbBuf[34] = 0; /* reserved */
pbBuf[35] = 1; /* rotation control CAV */
ataH2BE_U16(&pbBuf[36], 0); /* current write speed */
ataH2BE_U16(&pbBuf[38], 0); /* number of write speed performance descriptors */
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiRequestSenseSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
memset(pbBuf, '\0', s->cbElementaryTransfer);
memcpy(pbBuf, s->abATAPISense, RT_MIN(s->cbElementaryTransfer, sizeof(s->abATAPISense)));
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiMechanismStatusSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 8);
ataH2BE_U16(pbBuf, 0);
/* no current LBA */
pbBuf[2] = 0;
pbBuf[3] = 0;
pbBuf[4] = 0;
pbBuf[5] = 1;
ataH2BE_U16(pbBuf + 6, 0);
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiReadTOCNormalSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer), *q, iStartTrack;
bool fMSF;
uint32_t cbSize;
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
fMSF = (s->aATAPICmd[1] >> 1) & 1;
iStartTrack = s->aATAPICmd[6];
if (iStartTrack > 1 && iStartTrack != 0xaa)
{
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
return false;
}
q = pbBuf + 2;
*q++ = 1; /* first session */
*q++ = 1; /* last session */
if (iStartTrack <= 1)
{
*q++ = 0; /* reserved */
*q++ = 0x14; /* ADR, control */
*q++ = 1; /* track number */
*q++ = 0; /* reserved */
if (fMSF)
{
*q++ = 0; /* reserved */
ataLBA2MSF(q, 0);
q += 3;
}
else
{
/* sector 0 */
ataH2BE_U32(q, 0);
q += 4;
}
}
/* lead out track */
*q++ = 0; /* reserved */
*q++ = 0x14; /* ADR, control */
*q++ = 0xaa; /* track number */
*q++ = 0; /* reserved */
if (fMSF)
{
*q++ = 0; /* reserved */
ataLBA2MSF(q, s->cTotalSectors);
q += 3;
}
else
{
ataH2BE_U32(q, s->cTotalSectors);
q += 4;
}
cbSize = q - pbBuf;
ataH2BE_U16(pbBuf, cbSize - 2);
if (cbSize < s->cbTotalTransfer)
s->cbTotalTransfer = cbSize;
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiReadTOCMultiSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer);
bool fMSF;
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
Assert(s->cbElementaryTransfer <= 12);
fMSF = (s->aATAPICmd[1] >> 1) & 1;
/* multi session: only a single session defined */
/** @todo double-check this stuff against what a real drive says for a CD-ROM (not a CD-R) with only a single data session. Maybe solve the problem with "cdrdao read-toc" not being able to figure out whether numbers are in BCD or hex. */
memset(pbBuf, 0, 12);
pbBuf[1] = 0x0a;
pbBuf[2] = 0x01;
pbBuf[3] = 0x01;
pbBuf[5] = 0x14; /* ADR, control */
pbBuf[6] = 1; /* first track in last complete session */
if (fMSF)
{
pbBuf[8] = 0; /* reserved */
ataLBA2MSF(&pbBuf[9], 0);
}
else
{
/* sector 0 */
ataH2BE_U32(pbBuf + 8, 0);
}
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static bool atapiReadTOCRawSS(ATADevState *s)
{
uint8_t *pbBuf = s->CTX_SUFF(pbIOBuffer), *q, iStartTrack;
bool fMSF;
uint32_t cbSize;
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
fMSF = (s->aATAPICmd[1] >> 1) & 1;
iStartTrack = s->aATAPICmd[6];
q = pbBuf + 2;
*q++ = 1; /* first session */
*q++ = 1; /* last session */
*q++ = 1; /* session number */
*q++ = 0x14; /* data track */
*q++ = 0; /* track number */
*q++ = 0xa0; /* first track in program area */
*q++ = 0; /* min */
*q++ = 0; /* sec */
*q++ = 0; /* frame */
*q++ = 0;
*q++ = 1; /* first track */
*q++ = 0x00; /* disk type CD-DA or CD data */
*q++ = 0;
*q++ = 1; /* session number */
*q++ = 0x14; /* data track */
*q++ = 0; /* track number */
*q++ = 0xa1; /* last track in program area */
*q++ = 0; /* min */
*q++ = 0; /* sec */
*q++ = 0; /* frame */
*q++ = 0;
*q++ = 1; /* last track */
*q++ = 0;
*q++ = 0;
*q++ = 1; /* session number */
*q++ = 0x14; /* data track */
*q++ = 0; /* track number */
*q++ = 0xa2; /* lead-out */
*q++ = 0; /* min */
*q++ = 0; /* sec */
*q++ = 0; /* frame */
if (fMSF)
{
*q++ = 0; /* reserved */
ataLBA2MSF(q, s->cTotalSectors);
q += 3;
}
else
{
ataH2BE_U32(q, s->cTotalSectors);
q += 4;
}
*q++ = 1; /* session number */
*q++ = 0x14; /* ADR, control */
*q++ = 0; /* track number */
*q++ = 1; /* point */
*q++ = 0; /* min */
*q++ = 0; /* sec */
*q++ = 0; /* frame */
if (fMSF)
{
*q++ = 0; /* reserved */
ataLBA2MSF(q, 0);
q += 3;
}
else
{
/* sector 0 */
ataH2BE_U32(q, 0);
q += 4;
}
cbSize = q - pbBuf;
ataH2BE_U16(pbBuf, cbSize - 2);
if (cbSize < s->cbTotalTransfer)
s->cbTotalTransfer = cbSize;
s->iSourceSink = ATAFN_SS_NULL;
atapiCmdOK(s);
return false;
}
static void atapiParseCmdVirtualATAPI(ATADevState *s)
{
const uint8_t *pbPacket;
uint8_t *pbBuf;
uint32_t cbMax;
pbPacket = s->aATAPICmd;
pbBuf = s->CTX_SUFF(pbIOBuffer);
switch (pbPacket[0])
{
case SCSI_TEST_UNIT_READY:
if (s->cNotifiedMediaChange > 0)
{
if (s->cNotifiedMediaChange-- > 2)
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
else
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
}
else if (s->pDrvMount->pfnIsMounted(s->pDrvMount))
atapiCmdOK(s);
else
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
case SCSI_GET_EVENT_STATUS_NOTIFICATION:
cbMax = ataBE2H_U16(pbPacket + 7);
ataStartTransfer(s, RT_MIN(cbMax, 8), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_GET_EVENT_STATUS_NOTIFICATION, true);
break;
case SCSI_MODE_SENSE_10:
{
uint8_t uPageControl, uPageCode;
cbMax = ataBE2H_U16(pbPacket + 7);
uPageControl = pbPacket[2] >> 6;
uPageCode = pbPacket[2] & 0x3f;
switch (uPageControl)
{
case SCSI_PAGECONTROL_CURRENT:
switch (uPageCode)
{
case SCSI_MODEPAGE_ERROR_RECOVERY:
ataStartTransfer(s, RT_MIN(cbMax, 16), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_MODE_SENSE_ERROR_RECOVERY, true);
break;
case SCSI_MODEPAGE_CD_STATUS:
ataStartTransfer(s, RT_MIN(cbMax, 40), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_MODE_SENSE_CD_STATUS, true);
break;
default:
goto error_cmd;
}
break;
case SCSI_PAGECONTROL_CHANGEABLE:
goto error_cmd;
case SCSI_PAGECONTROL_DEFAULT:
goto error_cmd;
default:
case SCSI_PAGECONTROL_SAVED:
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_SAVING_PARAMETERS_NOT_SUPPORTED);
break;
}
}
break;
case SCSI_REQUEST_SENSE:
cbMax = pbPacket[4];
ataStartTransfer(s, RT_MIN(cbMax, 18), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_REQUEST_SENSE, true);
break;
case SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL:
if (s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
if (pbPacket[4] & 1)
s->pDrvMount->pfnLock(s->pDrvMount);
else
s->pDrvMount->pfnUnlock(s->pDrvMount);
atapiCmdOK(s);
}
else
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
case SCSI_READ_10:
case SCSI_READ_12:
{
uint32_t cSectors, iATAPILBA;
if (s->cNotifiedMediaChange > 0)
{
s->cNotifiedMediaChange-- ;
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
break;
}
else if (!s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
}
if (pbPacket[0] == SCSI_READ_10)
cSectors = ataBE2H_U16(pbPacket + 7);
else
cSectors = ataBE2H_U32(pbPacket + 6);
iATAPILBA = ataBE2H_U32(pbPacket + 2);
if (cSectors == 0)
{
atapiCmdOK(s);
break;
}
if ((uint64_t)iATAPILBA + cSectors > s->cTotalSectors)
{
/* Rate limited logging, one log line per second. For
* guests that insist on reading from places outside the
* valid area this often generates too many release log
* entries otherwise. */
static uint64_t uLastLogTS = 0;
if (RTTimeMilliTS() >= uLastLogTS + 1000)
{
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM block number %Ld invalid (READ)\n", s->iLUN, (uint64_t)iATAPILBA + cSectors));
uLastLogTS = RTTimeMilliTS();
}
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_LOGICAL_BLOCK_OOR);
break;
}
atapiReadSectors(s, iATAPILBA, cSectors, 2048);
}
break;
case SCSI_READ_CD:
{
uint32_t cSectors, iATAPILBA;
if (s->cNotifiedMediaChange > 0)
{
s->cNotifiedMediaChange-- ;
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
break;
}
else if (!s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
}
cSectors = (pbPacket[6] << 16) | (pbPacket[7] << 8) | pbPacket[8];
iATAPILBA = ataBE2H_U32(pbPacket + 2);
if (cSectors == 0)
{
atapiCmdOK(s);
break;
}
if ((uint64_t)iATAPILBA + cSectors > s->cTotalSectors)
{
/* Rate limited logging, one log line per second. For
* guests that insist on reading from places outside the
* valid area this often generates too many release log
* entries otherwise. */
static uint64_t uLastLogTS = 0;
if (RTTimeMilliTS() >= uLastLogTS + 1000)
{
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM block number %Ld invalid (READ CD)\n", s->iLUN, (uint64_t)iATAPILBA + cSectors));
uLastLogTS = RTTimeMilliTS();
}
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_LOGICAL_BLOCK_OOR);
break;
}
switch (pbPacket[9] & 0xf8)
{
case 0x00:
/* nothing */
atapiCmdOK(s);
break;
case 0x10:
/* normal read */
atapiReadSectors(s, iATAPILBA, cSectors, 2048);
break;
case 0xf8:
/* read all data */
atapiReadSectors(s, iATAPILBA, cSectors, 2352);
break;
default:
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM sector format not supported (%#x)\n", s->iLUN, pbPacket[9] & 0xf8));
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
break;
}
}
break;
case SCSI_SEEK_10:
{
uint32_t iATAPILBA;
if (s->cNotifiedMediaChange > 0)
{
s->cNotifiedMediaChange-- ;
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
break;
}
else if (!s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
}
iATAPILBA = ataBE2H_U32(pbPacket + 2);
if (iATAPILBA > s->cTotalSectors)
{
/* Rate limited logging, one log line per second. For
* guests that insist on seeking to places outside the
* valid area this often generates too many release log
* entries otherwise. */
static uint64_t uLastLogTS = 0;
if (RTTimeMilliTS() >= uLastLogTS + 1000)
{
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM block number %Ld invalid (SEEK)\n", s->iLUN, (uint64_t)iATAPILBA));
uLastLogTS = RTTimeMilliTS();
}
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_LOGICAL_BLOCK_OOR);
break;
}
atapiCmdOK(s);
ataSetStatus(s, ATA_STAT_SEEK); /* Linux expects this. */
}
break;
case SCSI_START_STOP_UNIT:
{
int rc = VINF_SUCCESS;
switch (pbPacket[4] & 3)
{
case 0: /* 00 - Stop motor */
case 1: /* 01 - Start motor */
break;
case 2: /* 10 - Eject media */
/* This must be done from EMT. */
{
PATACONTROLLER pCtl = ATADEVSTATE_2_CONTROLLER(s);
PPDMDEVINS pDevIns = ATADEVSTATE_2_DEVINS(s);
PDMCritSectLeave(&pCtl->lock);
rc = VMR3ReqCallWait(PDMDevHlpGetVM(pDevIns), VMCPUID_ANY,
(PFNRT)s->pDrvMount->pfnUnmount, 2, s->pDrvMount, false);
Assert(RT_SUCCESS(rc) || (rc == VERR_PDM_MEDIA_LOCKED));
{
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
}
}
break;
case 3: /* 11 - Load media */
/** @todo rc = s->pDrvMount->pfnLoadMedia(s->pDrvMount) */
break;
}
if (RT_SUCCESS(rc))
atapiCmdOK(s);
else
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIA_LOAD_OR_EJECT_FAILED);
}
break;
case SCSI_MECHANISM_STATUS:
{
cbMax = ataBE2H_U16(pbPacket + 8);
ataStartTransfer(s, RT_MIN(cbMax, 8), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_MECHANISM_STATUS, true);
}
break;
case SCSI_READ_TOC_PMA_ATIP:
{
uint8_t format;
if (s->cNotifiedMediaChange > 0)
{
s->cNotifiedMediaChange-- ;
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
break;
}
else if (!s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
}
cbMax = ataBE2H_U16(pbPacket + 7);
/* SCSI MMC-3 spec says format is at offset 2 (lower 4 bits),
* but Linux kernel uses offset 9 (topmost 2 bits). Hope that
* the other field is clear... */
format = (pbPacket[2] & 0xf) | (pbPacket[9] >> 6);
switch (format)
{
case 0:
ataStartTransfer(s, cbMax, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ_TOC_NORMAL, true);
break;
case 1:
ataStartTransfer(s, RT_MIN(cbMax, 12), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ_TOC_MULTI, true);
break;
case 2:
ataStartTransfer(s, cbMax, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ_TOC_RAW, true);
break;
default:
error_cmd:
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
break;
}
}
break;
case SCSI_READ_CAPACITY:
if (s->cNotifiedMediaChange > 0)
{
s->cNotifiedMediaChange-- ;
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
break;
}
else if (!s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
}
ataStartTransfer(s, 8, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ_CAPACITY, true);
break;
case SCSI_READ_DISC_INFORMATION:
if (s->cNotifiedMediaChange > 0)
{
s->cNotifiedMediaChange-- ;
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
break;
}
else if (!s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
}
cbMax = ataBE2H_U16(pbPacket + 7);
ataStartTransfer(s, RT_MIN(cbMax, 34), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ_DISC_INFORMATION, true);
break;
case SCSI_READ_TRACK_INFORMATION:
if (s->cNotifiedMediaChange > 0)
{
s->cNotifiedMediaChange-- ;
atapiCmdErrorSimple(s, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED); /* media changed */
break;
}
else if (!s->pDrvMount->pfnIsMounted(s->pDrvMount))
{
atapiCmdErrorSimple(s, SCSI_SENSE_NOT_READY, SCSI_ASC_MEDIUM_NOT_PRESENT);
break;
}
cbMax = ataBE2H_U16(pbPacket + 7);
ataStartTransfer(s, RT_MIN(cbMax, 36), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ_TRACK_INFORMATION, true);
break;
case SCSI_GET_CONFIGURATION:
/* No media change stuff here, it can confuse Linux guests. */
cbMax = ataBE2H_U16(pbPacket + 7);
ataStartTransfer(s, RT_MIN(cbMax, 32), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_GET_CONFIGURATION, true);
break;
case SCSI_INQUIRY:
cbMax = ataBE2H_U16(pbPacket + 3);
ataStartTransfer(s, RT_MIN(cbMax, 36), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_INQUIRY, true);
break;
case SCSI_READ_DVD_STRUCTURE:
{
cbMax = ataBE2H_U16(pbPacket + 8);
ataStartTransfer(s, RT_MIN(cbMax, 4), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_READ_DVD_STRUCTURE, true);
break;
}
default:
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_ILLEGAL_OPCODE);
break;
}
}
/*
* Parse ATAPI commands, passing them directly to the CD/DVD drive.
*/
static void atapiParseCmdPassthrough(ATADevState *s)
{
const uint8_t *pbPacket;
uint8_t *pbBuf;
uint32_t cSectors, iATAPILBA;
uint32_t cbTransfer = 0;
PDMBLOCKTXDIR uTxDir = PDMBLOCKTXDIR_NONE;
pbPacket = s->aATAPICmd;
pbBuf = s->CTX_SUFF(pbIOBuffer);
switch (pbPacket[0])
{
case SCSI_BLANK:
goto sendcmd;
case SCSI_CLOSE_TRACK_SESSION:
goto sendcmd;
case SCSI_ERASE_10:
iATAPILBA = ataBE2H_U32(pbPacket + 2);
cbTransfer = ataBE2H_U16(pbPacket + 7);
Log2(("ATAPI PT: lba %d\n", iATAPILBA));
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_FORMAT_UNIT:
cbTransfer = s->uATARegLCyl | (s->uATARegHCyl << 8); /* use ATAPI transfer length */
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_GET_CONFIGURATION:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_GET_EVENT_STATUS_NOTIFICATION:
cbTransfer = ataBE2H_U16(pbPacket + 7);
if (ASMAtomicReadU32(&s->MediaEventStatus) != ATA_EVENT_STATUS_UNCHANGED)
{
ataStartTransfer(s, RT_MIN(cbTransfer, 8), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_GET_EVENT_STATUS_NOTIFICATION, true);
break;
}
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_GET_PERFORMANCE:
cbTransfer = s->uATARegLCyl | (s->uATARegHCyl << 8); /* use ATAPI transfer length */
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_INQUIRY:
cbTransfer = ataBE2H_U16(pbPacket + 3);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_LOAD_UNLOAD_MEDIUM:
goto sendcmd;
case SCSI_MECHANISM_STATUS:
cbTransfer = ataBE2H_U16(pbPacket + 8);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_MODE_SELECT_10:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_MODE_SENSE_10:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_PAUSE_RESUME:
goto sendcmd;
case SCSI_PLAY_AUDIO_10:
goto sendcmd;
case SCSI_PLAY_AUDIO_12:
goto sendcmd;
case SCSI_PLAY_AUDIO_MSF:
goto sendcmd;
case SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL:
/** @todo do not forget to unlock when a VM is shut down */
goto sendcmd;
case SCSI_READ_10:
iATAPILBA = ataBE2H_U32(pbPacket + 2);
cSectors = ataBE2H_U16(pbPacket + 7);
Log2(("ATAPI PT: lba %d sectors %d\n", iATAPILBA, cSectors));
s->cbATAPISector = 2048; /**< @todo this size is not always correct */
cbTransfer = cSectors * s->cbATAPISector;
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_12:
iATAPILBA = ataBE2H_U32(pbPacket + 2);
cSectors = ataBE2H_U32(pbPacket + 6);
Log2(("ATAPI PT: lba %d sectors %d\n", iATAPILBA, cSectors));
s->cbATAPISector = 2048; /**< @todo this size is not always correct */
cbTransfer = cSectors * s->cbATAPISector;
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_BUFFER:
cbTransfer = ataBE2H_U24(pbPacket + 6);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_BUFFER_CAPACITY:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_CAPACITY:
cbTransfer = 8;
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_CD:
s->cbATAPISector = 2048; /**< @todo this size is not always correct */
cbTransfer = ataBE2H_U24(pbPacket + 6) / s->cbATAPISector * s->cbATAPISector;
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_CD_MSF:
cSectors = ataMSF2LBA(pbPacket + 6) - ataMSF2LBA(pbPacket + 3);
if (cSectors > 32)
cSectors = 32; /* Limit transfer size to 64~74K. Safety first. In any case this can only harm software doing CDDA extraction. */
s->cbATAPISector = 2048; /**< @todo this size is not always correct */
cbTransfer = cSectors * s->cbATAPISector;
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_DISC_INFORMATION:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_DVD_STRUCTURE:
cbTransfer = ataBE2H_U16(pbPacket + 8);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_FORMAT_CAPACITIES:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_SUBCHANNEL:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_TOC_PMA_ATIP:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_READ_TRACK_INFORMATION:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_REPAIR_TRACK:
goto sendcmd;
case SCSI_REPORT_KEY:
cbTransfer = ataBE2H_U16(pbPacket + 8);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_REQUEST_SENSE:
cbTransfer = pbPacket[4];
if ((s->abATAPISense[2] & 0x0f) != SCSI_SENSE_NONE)
{
ataStartTransfer(s, RT_MIN(cbTransfer, 18), PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_ATAPI_CMD, ATAFN_SS_ATAPI_REQUEST_SENSE, true);
break;
}
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_RESERVE_TRACK:
goto sendcmd;
case SCSI_SCAN:
goto sendcmd;
case SCSI_SEEK_10:
goto sendcmd;
case SCSI_SEND_CUE_SHEET:
cbTransfer = ataBE2H_U24(pbPacket + 6);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_SEND_DVD_STRUCTURE:
cbTransfer = ataBE2H_U16(pbPacket + 8);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_SEND_EVENT:
cbTransfer = ataBE2H_U16(pbPacket + 8);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_SEND_KEY:
cbTransfer = ataBE2H_U16(pbPacket + 8);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_SEND_OPC_INFORMATION:
cbTransfer = ataBE2H_U16(pbPacket + 7);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_SET_CD_SPEED:
goto sendcmd;
case SCSI_SET_READ_AHEAD:
goto sendcmd;
case SCSI_SET_STREAMING:
cbTransfer = ataBE2H_U16(pbPacket + 9);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_START_STOP_UNIT:
goto sendcmd;
case SCSI_STOP_PLAY_SCAN:
goto sendcmd;
case SCSI_SYNCHRONIZE_CACHE:
goto sendcmd;
case SCSI_TEST_UNIT_READY:
goto sendcmd;
case SCSI_VERIFY_10:
goto sendcmd;
case SCSI_WRITE_10:
iATAPILBA = ataBE2H_U32(pbPacket + 2);
cSectors = ataBE2H_U16(pbPacket + 7);
Log2(("ATAPI PT: lba %d sectors %d\n", iATAPILBA, cSectors));
#if 0
/* The sector size is determined by the async I/O thread. */
s->cbATAPISector = 0;
/* Preliminary, will be corrected once the sector size is known. */
cbTransfer = cSectors;
#else
s->cbATAPISector = 2048; /**< @todo this size is not always correct */
cbTransfer = cSectors * s->cbATAPISector;
#endif
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_WRITE_12:
iATAPILBA = ataBE2H_U32(pbPacket + 2);
cSectors = ataBE2H_U32(pbPacket + 6);
Log2(("ATAPI PT: lba %d sectors %d\n", iATAPILBA, cSectors));
#if 0
/* The sector size is determined by the async I/O thread. */
s->cbATAPISector = 0;
/* Preliminary, will be corrected once the sector size is known. */
cbTransfer = cSectors;
#else
s->cbATAPISector = 2048; /**< @todo this size is not always correct */
cbTransfer = cSectors * s->cbATAPISector;
#endif
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_WRITE_AND_VERIFY_10:
iATAPILBA = ataBE2H_U32(pbPacket + 2);
cSectors = ataBE2H_U16(pbPacket + 7);
Log2(("ATAPI PT: lba %d sectors %d\n", iATAPILBA, cSectors));
/* The sector size is determined by the async I/O thread. */
s->cbATAPISector = 0;
/* Preliminary, will be corrected once the sector size is known. */
cbTransfer = cSectors;
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
case SCSI_WRITE_BUFFER:
switch (pbPacket[1] & 0x1f)
{
case 0x04: /* download microcode */
case 0x05: /* download microcode and save */
case 0x06: /* download microcode with offsets */
case 0x07: /* download microcode with offsets and save */
case 0x0e: /* download microcode with offsets and defer activation */
case 0x0f: /* activate deferred microcode */
LogRel(("PIIX3 ATA: LUN#%d: CD-ROM passthrough command attempted to update firmware, blocked\n", s->iLUN));
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
break;
default:
cbTransfer = ataBE2H_U16(pbPacket + 6);
uTxDir = PDMBLOCKTXDIR_TO_DEVICE;
goto sendcmd;
}
break;
case SCSI_REPORT_LUNS: /* Not part of MMC-3, but used by Windows. */
cbTransfer = ataBE2H_U32(pbPacket + 6);
uTxDir = PDMBLOCKTXDIR_FROM_DEVICE;
goto sendcmd;
case SCSI_REZERO_UNIT:
/* Obsolete command used by cdrecord. What else would one expect?
* This command is not sent to the drive, it is handled internally,
* as the Linux kernel doesn't like it (message "scsi: unknown
* opcode 0x01" in syslog) and replies with a sense code of 0,
* which sends cdrecord to an endless loop. */
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_ILLEGAL_OPCODE);
break;
default:
LogRel(("PIIX3 ATA: LUN#%d: passthrough unimplemented for command %#x\n", s->iLUN, pbPacket[0]));
atapiCmdErrorSimple(s, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_ILLEGAL_OPCODE);
break;
sendcmd:
/* Send a command to the drive, passing data in/out as required. */
Log2(("ATAPI PT: max size %d\n", cbTransfer));
Assert(cbTransfer <= s->cbIOBuffer);
if (cbTransfer == 0)
uTxDir = PDMBLOCKTXDIR_NONE;
ataStartTransfer(s, cbTransfer, uTxDir, ATAFN_BT_ATAPI_PASSTHROUGH_CMD, ATAFN_SS_ATAPI_PASSTHROUGH, true);
}
}
static void atapiParseCmd(ATADevState *s)
{
const uint8_t *pbPacket;
pbPacket = s->aATAPICmd;
#ifdef DEBUG
Log(("%s: LUN#%d DMA=%d CMD=%#04x \"%s\"\n", __FUNCTION__, s->iLUN, s->fDMA, pbPacket[0], SCSICmdText(pbPacket[0])));
#else /* !DEBUG */
Log(("%s: LUN#%d DMA=%d CMD=%#04x\n", __FUNCTION__, s->iLUN, s->fDMA, pbPacket[0]));
#endif /* !DEBUG */
Log2(("%s: limit=%#x packet: %.*Rhxs\n", __FUNCTION__, s->uATARegLCyl | (s->uATARegHCyl << 8), ATAPI_PACKET_SIZE, pbPacket));
if (s->fATAPIPassthrough)
atapiParseCmdPassthrough(s);
else
atapiParseCmdVirtualATAPI(s);
}
static bool ataPacketSS(ATADevState *s)
{
s->fDMA = !!(s->uATARegFeature & 1);
memcpy(s->aATAPICmd, s->CTX_SUFF(pbIOBuffer), ATAPI_PACKET_SIZE);
s->uTxDir = PDMBLOCKTXDIR_NONE;
s->cbTotalTransfer = 0;
s->cbElementaryTransfer = 0;
atapiParseCmd(s);
return false;
}
/**
* SCSI_GET_EVENT_STATUS_NOTIFICATION should return "medium removed" event
* from now on, regardless if there was a medium inserted or not.
*/
static void ataMediumRemoved(ATADevState *s)
{
ASMAtomicWriteU32(&s->MediaEventStatus, ATA_EVENT_STATUS_MEDIA_REMOVED);
}
/**
* SCSI_GET_EVENT_STATUS_NOTIFICATION should return "medium inserted". If
* there was already a medium inserted, don't forget to send the "medium
* removed" event first.
*/
static void ataMediumInserted(ATADevState *s)
{
uint32_t OldStatus, NewStatus;
do
{
OldStatus = ASMAtomicReadU32(&s->MediaEventStatus);
switch (OldStatus)
{
case ATA_EVENT_STATUS_MEDIA_CHANGED:
case ATA_EVENT_STATUS_MEDIA_REMOVED:
/* no change, we will send "medium removed" + "medium inserted" */
NewStatus = ATA_EVENT_STATUS_MEDIA_CHANGED;
break;
default:
NewStatus = ATA_EVENT_STATUS_MEDIA_NEW;
break;
}
} while (!ASMAtomicCmpXchgU32(&s->MediaEventStatus, NewStatus, OldStatus));
}
/**
* Called when a media is mounted.
*
* @param pInterface Pointer to the interface structure containing the called function pointer.
*/
static DECLCALLBACK(void) ataMountNotify(PPDMIMOUNTNOTIFY pInterface)
{
ATADevState *pIf = PDMIMOUNTNOTIFY_2_ATASTATE(pInterface);
Log(("%s: changing LUN#%d\n", __FUNCTION__, pIf->iLUN));
/* Ignore the call if we're called while being attached. */
if (!pIf->pDrvBlock)
return;
if (pIf->fATAPI)
pIf->cTotalSectors = pIf->pDrvBlock->pfnGetSize(pIf->pDrvBlock) / 2048;
else
pIf->cTotalSectors = pIf->pDrvBlock->pfnGetSize(pIf->pDrvBlock) / 512;
LogRel(("PIIX3 ATA: LUN#%d: CD/DVD, total number of sectors %Ld, passthrough unchanged\n", pIf->iLUN, pIf->cTotalSectors));
/* Report media changed in TEST UNIT and other (probably incorrect) places. */
if (pIf->cNotifiedMediaChange < 2)
pIf->cNotifiedMediaChange = 2;
ataMediumInserted(pIf);
}
/**
* Called when a media is unmounted
* @param pInterface Pointer to the interface structure containing the called function pointer.
*/
static DECLCALLBACK(void) ataUnmountNotify(PPDMIMOUNTNOTIFY pInterface)
{
ATADevState *pIf = PDMIMOUNTNOTIFY_2_ATASTATE(pInterface);
Log(("%s:\n", __FUNCTION__));
pIf->cTotalSectors = 0;
/*
* Whatever I do, XP will not use the GET MEDIA STATUS nor the EVENT stuff.
* However, it will respond to TEST UNIT with a 0x6 0x28 (media changed) sense code.
* So, we'll give it 4 TEST UNIT command to catch up, two which the media is not
* present and 2 in which it is changed.
*/
pIf->cNotifiedMediaChange = 4;
ataMediumRemoved(pIf);
}
static void ataPacketBT(ATADevState *s)
{
s->cbElementaryTransfer = s->cbTotalTransfer;
s->uATARegNSector = (s->uATARegNSector & ~7) | ATAPI_INT_REASON_CD;
Log2(("%s: interrupt reason %#04x\n", __FUNCTION__, s->uATARegNSector));
ataSetStatusValue(s, ATA_STAT_READY);
}
static void ataResetDevice(ATADevState *s)
{
s->cMultSectors = ATA_MAX_MULT_SECTORS;
s->cNotifiedMediaChange = 0;
ASMAtomicWriteU32(&s->MediaEventStatus, ATA_EVENT_STATUS_UNCHANGED);
ataUnsetIRQ(s);
s->uATARegSelect = 0x20;
ataSetStatusValue(s, ATA_STAT_READY);
ataSetSignature(s);
s->cbTotalTransfer = 0;
s->cbElementaryTransfer = 0;
s->iIOBufferPIODataStart = 0;
s->iIOBufferPIODataEnd = 0;
s->iBeginTransfer = ATAFN_BT_NULL;
s->iSourceSink = ATAFN_SS_NULL;
s->fDMA = false;
s->fATAPITransfer = false;
s->uATATransferMode = ATA_MODE_UDMA | 2; /* PIIX3 supports only up to UDMA2 */
s->uATARegFeature = 0;
}
static bool ataExecuteDeviceDiagnosticSS(ATADevState *s)
{
ataSetSignature(s);
if (s->fATAPI)
ataSetStatusValue(s, 0); /* NOTE: READY is _not_ set */
else
ataSetStatusValue(s, ATA_STAT_READY);
s->uATARegError = 0x01;
return false;
}
static void ataParseCmd(ATADevState *s, uint8_t cmd)
{
#ifdef DEBUG
Log(("%s: LUN#%d CMD=%#04x \"%s\"\n", __FUNCTION__, s->iLUN, cmd, ATACmdText(cmd)));
#else /* !DEBUG */
Log(("%s: LUN#%d CMD=%#04x\n", __FUNCTION__, s->iLUN, cmd));
#endif /* !DEBUG */
s->fLBA48 = false;
s->fDMA = false;
if (cmd == ATA_IDLE_IMMEDIATE)
{
/* Detect Linux timeout recovery, first tries IDLE IMMEDIATE (which
* would overwrite the failing command unfortunately), then RESET. */
int32_t uCmdWait = -1;
uint64_t uNow = RTTimeNanoTS();
if (s->u64CmdTS)
uCmdWait = (uNow - s->u64CmdTS) / 1000;
LogRel(("PIIX3 ATA: LUN#%d: IDLE IMMEDIATE, CmdIf=%#04x (%d usec ago)\n",
s->iLUN, s->uATARegCommand, uCmdWait));
}
s->uATARegCommand = cmd;
switch (cmd)
{
case ATA_IDENTIFY_DEVICE:
if (s->pDrvBlock && !s->fATAPI)
ataStartTransfer(s, 512, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_NULL, ATAFN_SS_IDENTIFY, false);
else
{
if (s->fATAPI)
ataSetSignature(s);
ataCmdError(s, ABRT_ERR);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
}
break;
case ATA_INITIALIZE_DEVICE_PARAMETERS:
case ATA_RECALIBRATE:
ataCmdOK(s, ATA_STAT_SEEK);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_SET_MULTIPLE_MODE:
if ( s->uATARegNSector != 0
&& ( s->uATARegNSector > ATA_MAX_MULT_SECTORS
|| (s->uATARegNSector & (s->uATARegNSector - 1)) != 0))
{
ataCmdError(s, ABRT_ERR);
}
else
{
Log2(("%s: set multi sector count to %d\n", __FUNCTION__, s->uATARegNSector));
s->cMultSectors = s->uATARegNSector;
ataCmdOK(s, 0);
}
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_READ_VERIFY_SECTORS_EXT:
s->fLBA48 = true;
case ATA_READ_VERIFY_SECTORS:
case ATA_READ_VERIFY_SECTORS_WITHOUT_RETRIES:
/* do sector number check ? */
ataCmdOK(s, 0);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_READ_SECTORS_EXT:
s->fLBA48 = true;
case ATA_READ_SECTORS:
case ATA_READ_SECTORS_WITHOUT_RETRIES:
if (!s->pDrvBlock)
goto abort_cmd;
s->cSectorsPerIRQ = 1;
ataStartTransfer(s, ataGetNSectors(s) * 512, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_READ_WRITE_SECTORS, ATAFN_SS_READ_SECTORS, false);
break;
case ATA_WRITE_SECTORS_EXT:
s->fLBA48 = true;
case ATA_WRITE_SECTORS:
case ATA_WRITE_SECTORS_WITHOUT_RETRIES:
s->cSectorsPerIRQ = 1;
ataStartTransfer(s, ataGetNSectors(s) * 512, PDMBLOCKTXDIR_TO_DEVICE, ATAFN_BT_READ_WRITE_SECTORS, ATAFN_SS_WRITE_SECTORS, false);
break;
case ATA_READ_MULTIPLE_EXT:
s->fLBA48 = true;
case ATA_READ_MULTIPLE:
if (!s->cMultSectors)
goto abort_cmd;
s->cSectorsPerIRQ = s->cMultSectors;
ataStartTransfer(s, ataGetNSectors(s) * 512, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_READ_WRITE_SECTORS, ATAFN_SS_READ_SECTORS, false);
break;
case ATA_WRITE_MULTIPLE_EXT:
s->fLBA48 = true;
case ATA_WRITE_MULTIPLE:
if (!s->cMultSectors)
goto abort_cmd;
s->cSectorsPerIRQ = s->cMultSectors;
ataStartTransfer(s, ataGetNSectors(s) * 512, PDMBLOCKTXDIR_TO_DEVICE, ATAFN_BT_READ_WRITE_SECTORS, ATAFN_SS_WRITE_SECTORS, false);
break;
case ATA_READ_DMA_EXT:
s->fLBA48 = true;
case ATA_READ_DMA:
case ATA_READ_DMA_WITHOUT_RETRIES:
if (!s->pDrvBlock)
goto abort_cmd;
s->cSectorsPerIRQ = ATA_MAX_MULT_SECTORS;
s->fDMA = true;
ataStartTransfer(s, ataGetNSectors(s) * 512, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_READ_WRITE_SECTORS, ATAFN_SS_READ_SECTORS, false);
break;
case ATA_WRITE_DMA_EXT:
s->fLBA48 = true;
case ATA_WRITE_DMA:
case ATA_WRITE_DMA_WITHOUT_RETRIES:
if (!s->pDrvBlock)
goto abort_cmd;
s->cSectorsPerIRQ = ATA_MAX_MULT_SECTORS;
s->fDMA = true;
ataStartTransfer(s, ataGetNSectors(s) * 512, PDMBLOCKTXDIR_TO_DEVICE, ATAFN_BT_READ_WRITE_SECTORS, ATAFN_SS_WRITE_SECTORS, false);
break;
case ATA_READ_NATIVE_MAX_ADDRESS_EXT:
s->fLBA48 = true;
ataSetSector(s, s->cTotalSectors - 1);
ataCmdOK(s, 0);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_SEEK: /* Used by the SCO OpenServer. Command is marked as obsolete */
ataCmdOK(s, 0);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_READ_NATIVE_MAX_ADDRESS:
ataSetSector(s, RT_MIN(s->cTotalSectors, 1 << 28) - 1);
ataCmdOK(s, 0);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_CHECK_POWER_MODE:
s->uATARegNSector = 0xff; /* drive active or idle */
ataCmdOK(s, 0);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_SET_FEATURES:
Log2(("%s: feature=%#x\n", __FUNCTION__, s->uATARegFeature));
if (!s->pDrvBlock)
goto abort_cmd;
switch (s->uATARegFeature)
{
case 0x02: /* write cache enable */
Log2(("%s: write cache enable\n", __FUNCTION__));
ataCmdOK(s, ATA_STAT_SEEK);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case 0xaa: /* read look-ahead enable */
Log2(("%s: read look-ahead enable\n", __FUNCTION__));
ataCmdOK(s, ATA_STAT_SEEK);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case 0x55: /* read look-ahead disable */
Log2(("%s: read look-ahead disable\n", __FUNCTION__));
ataCmdOK(s, ATA_STAT_SEEK);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case 0xcc: /* reverting to power-on defaults enable */
Log2(("%s: revert to power-on defaults enable\n", __FUNCTION__));
ataCmdOK(s, ATA_STAT_SEEK);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case 0x66: /* reverting to power-on defaults disable */
Log2(("%s: revert to power-on defaults disable\n", __FUNCTION__));
ataCmdOK(s, ATA_STAT_SEEK);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case 0x82: /* write cache disable */
Log2(("%s: write cache disable\n", __FUNCTION__));
/* As per the ATA/ATAPI-6 specs, a write cache disable
* command MUST flush the write buffers to disc. */
ataStartTransfer(s, 0, PDMBLOCKTXDIR_NONE, ATAFN_BT_NULL, ATAFN_SS_FLUSH, false);
break;
case 0x03: { /* set transfer mode */
Log2(("%s: transfer mode %#04x\n", __FUNCTION__, s->uATARegNSector));
switch (s->uATARegNSector & 0xf8)
{
case 0x00: /* PIO default */
case 0x08: /* PIO mode */
break;
case ATA_MODE_MDMA: /* MDMA mode */
s->uATATransferMode = (s->uATARegNSector & 0xf8) | RT_MIN(s->uATARegNSector & 0x07, ATA_MDMA_MODE_MAX);
break;
case ATA_MODE_UDMA: /* UDMA mode */
s->uATATransferMode = (s->uATARegNSector & 0xf8) | RT_MIN(s->uATARegNSector & 0x07, ATA_UDMA_MODE_MAX);
break;
default:
goto abort_cmd;
}
ataCmdOK(s, ATA_STAT_SEEK);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
}
default:
goto abort_cmd;
}
/*
* OS/2 workarond:
* The OS/2 IDE driver from MCP2 appears to rely on the feature register being
* reset here. According to the specification, this is a driver bug as the register
* contents are undefined after the call. This means we can just as well reset it.
*/
s->uATARegFeature = 0;
break;
case ATA_FLUSH_CACHE_EXT:
case ATA_FLUSH_CACHE:
if (!s->pDrvBlock || s->fATAPI)
goto abort_cmd;
ataStartTransfer(s, 0, PDMBLOCKTXDIR_NONE, ATAFN_BT_NULL, ATAFN_SS_FLUSH, false);
break;
case ATA_STANDBY_IMMEDIATE:
ataCmdOK(s, 0);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
case ATA_IDLE_IMMEDIATE:
LogRel(("PIIX3 ATA: LUN#%d: aborting current command\n", s->iLUN));
ataAbortCurrentCommand(s, false);
break;
/* ATAPI commands */
case ATA_IDENTIFY_PACKET_DEVICE:
if (s->fATAPI)
ataStartTransfer(s, 512, PDMBLOCKTXDIR_FROM_DEVICE, ATAFN_BT_NULL, ATAFN_SS_ATAPI_IDENTIFY, false);
else
{
ataCmdError(s, ABRT_ERR);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
}
break;
case ATA_EXECUTE_DEVICE_DIAGNOSTIC:
ataStartTransfer(s, 0, PDMBLOCKTXDIR_NONE, ATAFN_BT_NULL, ATAFN_SS_EXECUTE_DEVICE_DIAGNOSTIC, false);
break;
case ATA_DEVICE_RESET:
if (!s->fATAPI)
goto abort_cmd;
LogRel(("PIIX3 ATA: LUN#%d: performing device RESET\n", s->iLUN));
ataAbortCurrentCommand(s, true);
break;
case ATA_PACKET:
if (!s->fATAPI)
goto abort_cmd;
/* overlapping commands not supported */
if (s->uATARegFeature & 0x02)
goto abort_cmd;
ataStartTransfer(s, ATAPI_PACKET_SIZE, PDMBLOCKTXDIR_TO_DEVICE, ATAFN_BT_PACKET, ATAFN_SS_PACKET, false);
break;
default:
abort_cmd:
ataCmdError(s, ABRT_ERR);
ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
break;
}
}
#endif /* IN_RING3 */
static int ataIOPortWriteU8(PATACONTROLLER pCtl, uint32_t addr, uint32_t val)
{
Log2(("%s: write addr=%#x val=%#04x\n", __FUNCTION__, addr, val));
addr &= 7;
switch (addr)
{
case 0:
break;
case 1: /* feature register */
/* NOTE: data is written to the two drives */
pCtl->aIfs[0].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[1].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[0].uATARegFeatureHOB = pCtl->aIfs[0].uATARegFeature;
pCtl->aIfs[1].uATARegFeatureHOB = pCtl->aIfs[1].uATARegFeature;
pCtl->aIfs[0].uATARegFeature = val;
pCtl->aIfs[1].uATARegFeature = val;
break;
case 2: /* sector count */
pCtl->aIfs[0].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[1].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[0].uATARegNSectorHOB = pCtl->aIfs[0].uATARegNSector;
pCtl->aIfs[1].uATARegNSectorHOB = pCtl->aIfs[1].uATARegNSector;
pCtl->aIfs[0].uATARegNSector = val;
pCtl->aIfs[1].uATARegNSector = val;
break;
case 3: /* sector number */
pCtl->aIfs[0].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[1].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[0].uATARegSectorHOB = pCtl->aIfs[0].uATARegSector;
pCtl->aIfs[1].uATARegSectorHOB = pCtl->aIfs[1].uATARegSector;
pCtl->aIfs[0].uATARegSector = val;
pCtl->aIfs[1].uATARegSector = val;
break;
case 4: /* cylinder low */
pCtl->aIfs[0].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[1].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[0].uATARegLCylHOB = pCtl->aIfs[0].uATARegLCyl;
pCtl->aIfs[1].uATARegLCylHOB = pCtl->aIfs[1].uATARegLCyl;
pCtl->aIfs[0].uATARegLCyl = val;
pCtl->aIfs[1].uATARegLCyl = val;
break;
case 5: /* cylinder high */
pCtl->aIfs[0].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[1].uATARegDevCtl &= ~ATA_DEVCTL_HOB;
pCtl->aIfs[0].uATARegHCylHOB = pCtl->aIfs[0].uATARegHCyl;
pCtl->aIfs[1].uATARegHCylHOB = pCtl->aIfs[1].uATARegHCyl;
pCtl->aIfs[0].uATARegHCyl = val;
pCtl->aIfs[1].uATARegHCyl = val;
break;
case 6: /* drive/head */
pCtl->aIfs[0].uATARegSelect = (val & ~0x10) | 0xa0;
pCtl->aIfs[1].uATARegSelect = (val | 0x10) | 0xa0;
if (((val >> 4) & 1) != pCtl->iSelectedIf)
{
PPDMDEVINS pDevIns = CONTROLLER_2_DEVINS(pCtl);
/* select another drive */
pCtl->iSelectedIf = (val >> 4) & 1;
/* The IRQ line is multiplexed between the two drives, so
* update the state when switching to another drive. Only need
* to update interrupt line if it is enabled and there is a
* state change. */
if ( !(pCtl->aIfs[pCtl->iSelectedIf].uATARegDevCtl & ATA_DEVCTL_DISABLE_IRQ)
&& ( pCtl->aIfs[pCtl->iSelectedIf].fIrqPending
!= pCtl->aIfs[pCtl->iSelectedIf ^ 1].fIrqPending))
{
if (pCtl->aIfs[pCtl->iSelectedIf].fIrqPending)
{
Log2(("%s: LUN#%d asserting IRQ (drive select change)\n", __FUNCTION__, pCtl->aIfs[pCtl->iSelectedIf].iLUN));
/* The BMDMA unit unconditionally sets BM_STATUS_INT if
* the interrupt line is asserted. It monitors the line
* for a rising edge. */
pCtl->BmDma.u8Status |= BM_STATUS_INT;
if (pCtl->irq == 16)
PDMDevHlpPCISetIrqNoWait(pDevIns, 0, 1);
else
PDMDevHlpISASetIrqNoWait(pDevIns, pCtl->irq, 1);
}
else
{
Log2(("%s: LUN#%d deasserting IRQ (drive select change)\n", __FUNCTION__, pCtl->aIfs[pCtl->iSelectedIf].iLUN));
if (pCtl->irq == 16)
PDMDevHlpPCISetIrqNoWait(pDevIns, 0, 0);
else
PDMDevHlpISASetIrqNoWait(pDevIns, pCtl->irq, 0);
}
}
}
break;
default:
case 7: /* command */
/* ignore commands to non existant slave */
if (pCtl->iSelectedIf && !pCtl->aIfs[pCtl->iSelectedIf].pDrvBlock)
break;
#ifndef IN_RING3
/* Don't do anything complicated in GC */
return VINF_IOM_HC_IOPORT_WRITE;
#else /* IN_RING3 */
ataParseCmd(&pCtl->aIfs[pCtl->iSelectedIf], val);
#endif /* !IN_RING3 */
}
return VINF_SUCCESS;
}
static int ataIOPortReadU8(PATACONTROLLER pCtl, uint32_t addr, uint32_t *pu32)
{
ATADevState *s = &pCtl->aIfs[pCtl->iSelectedIf];
uint32_t val;
bool fHOB;
fHOB = !!(s->uATARegDevCtl & (1 << 7));
switch (addr & 7)
{
case 0: /* data register */
val = 0xff;
break;
case 1: /* error register */
/* The ATA specification is very terse when it comes to specifying
* the precise effects of reading back the error/feature register.
* The error register (read-only) shares the register number with
* the feature register (write-only), so it seems that it's not
* necessary to support the usual HOB readback here. */
if (!s->pDrvBlock)
val = 0;
else
val = s->uATARegError;
break;
case 2: /* sector count */
if (!s->pDrvBlock)
val = 0;
else if (fHOB)
val = s->uATARegNSectorHOB;
else
val = s->uATARegNSector;
break;
case 3: /* sector number */
if (!s->pDrvBlock)
val = 0;
else if (fHOB)
val = s->uATARegSectorHOB;
else
val = s->uATARegSector;
break;
case 4: /* cylinder low */
if (!s->pDrvBlock)
val = 0;
else if (fHOB)
val = s->uATARegLCylHOB;
else
val = s->uATARegLCyl;
break;
case 5: /* cylinder high */
if (!s->pDrvBlock)
val = 0;
else if (fHOB)
val = s->uATARegHCylHOB;
else
val = s->uATARegHCyl;
break;
case 6: /* drive/head */
/* This register must always work as long as there is at least
* one drive attached to the controller. It is common between
* both drives anyway (completely identical content). */
if (!pCtl->aIfs[0].pDrvBlock && !pCtl->aIfs[1].pDrvBlock)
val = 0;
else
val = s->uATARegSelect;
break;
default:
case 7: /* primary status */
{
/* Counter for number of busy status seen in GC in a row. */
static unsigned cBusy = 0;
if (!s->pDrvBlock)
val = 0;
else
val = s->uATARegStatus;
/* Give the async I/O thread an opportunity to make progress,
* don't let it starve by guests polling frequently. EMT has a
* lower priority than the async I/O thread, but sometimes the
* host OS doesn't care. With some guests we are only allowed to
* be busy for about 5 milliseconds in some situations. Note that
* this is no guarantee for any other VBox thread getting
* scheduled, so this just lowers the CPU load a bit when drives
* are busy. It cannot help with timing problems. */
if (val & ATA_STAT_BUSY)
{
#ifdef IN_RING3
cBusy = 0;
PDMCritSectLeave(&pCtl->lock);
#ifndef RT_OS_WINDOWS
/*
* The thread might be stuck in an I/O operation
* due to a high I/O load on the host. (see @bugref{3301})
* To perform the reset successfully
* we interrupt the operation by sending a signal to the thread
* if the thread didn't responded in 10ms.
* This works only on POSIX hosts (Windows has a CancelSynchronousIo function which
* does the same but it was introduced with Vista) but so far
* this hang was only observed on Linux and Mac OS X.
*
* This is a workaround and needs to be solved properly.
*/
if (pCtl->fReset)
{
uint64_t u64ResetTimeStop = RTTimeMilliTS();
if ((u64ResetTimeStop - pCtl->u64ResetTime) >= 10)
{
LogRel(("PIIX3 ATA: Async I/O thread probably stuck in operation, interrupting\n"));
pCtl->u64ResetTime = u64ResetTimeStop;
RTThreadPoke(pCtl->AsyncIOThread);
}
}
#endif
RTThreadYield();
{
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
}
val = s->uATARegStatus;
#else /* !IN_RING3 */
/* Cannot yield CPU in guest context. And switching to host
* context for each and every busy status is too costly,
* especially on SMP systems where we don't gain much by
* yielding the CPU to someone else. */
if (++cBusy >= 20)
{
cBusy = 0;
return VINF_IOM_HC_IOPORT_READ;
}
#endif /* !IN_RING3 */
}
else
cBusy = 0;
ataUnsetIRQ(s);
break;
}
}
Log2(("%s: addr=%#x val=%#04x\n", __FUNCTION__, addr, val));
*pu32 = val;
return VINF_SUCCESS;
}
static uint32_t ataStatusRead(PATACONTROLLER pCtl, uint32_t addr)
{
ATADevState *s = &pCtl->aIfs[pCtl->iSelectedIf];
uint32_t val;
if ((!pCtl->aIfs[0].pDrvBlock && !pCtl->aIfs[1].pDrvBlock) ||
(pCtl->iSelectedIf == 1 && !s->pDrvBlock))
val = 0;
else
val = s->uATARegStatus;
Log2(("%s: addr=%#x val=%#04x\n", __FUNCTION__, addr, val));
return val;
}
static int ataControlWrite(PATACONTROLLER pCtl, uint32_t addr, uint32_t val)
{
#ifndef IN_RING3
if ((val ^ pCtl->aIfs[0].uATARegDevCtl) & ATA_DEVCTL_RESET)
return VINF_IOM_HC_IOPORT_WRITE; /* The RESET stuff is too complicated for GC. */
#endif /* !IN_RING3 */
Log2(("%s: addr=%#x val=%#04x\n", __FUNCTION__, addr, val));
/* RESET is common for both drives attached to a controller. */
if (!(pCtl->aIfs[0].uATARegDevCtl & ATA_DEVCTL_RESET) &&
(val & ATA_DEVCTL_RESET))
{
#ifdef IN_RING3
/* Software RESET low to high */
int32_t uCmdWait0 = -1, uCmdWait1 = -1;
uint64_t uNow = RTTimeNanoTS();
if (pCtl->aIfs[0].u64CmdTS)
uCmdWait0 = (uNow - pCtl->aIfs[0].u64CmdTS) / 1000;
if (pCtl->aIfs[1].u64CmdTS)
uCmdWait1 = (uNow - pCtl->aIfs[1].u64CmdTS) / 1000;
LogRel(("PIIX3 ATA: Ctl#%d: RESET, DevSel=%d AIOIf=%d CmdIf0=%#04x (%d usec ago) CmdIf1=%#04x (%d usec ago)\n",
ATACONTROLLER_IDX(pCtl), pCtl->iSelectedIf, pCtl->iAIOIf,
pCtl->aIfs[0].uATARegCommand, uCmdWait0,
pCtl->aIfs[1].uATARegCommand, uCmdWait1));
pCtl->fReset = true;
/* Everything must be done after the reset flag is set, otherwise
* there are unavoidable races with the currently executing request
* (which might just finish in the mean time). */
pCtl->fChainedTransfer = false;
for (uint32_t i = 0; i < RT_ELEMENTS(pCtl->aIfs); i++)
{
ataResetDevice(&pCtl->aIfs[i]);
/* The following cannot be done using ataSetStatusValue() since the
* reset flag is already set, which suppresses all status changes. */
pCtl->aIfs[i].uATARegStatus = ATA_STAT_BUSY | ATA_STAT_SEEK;
Log2(("%s: LUN#%d status %#04x\n", __FUNCTION__, pCtl->aIfs[i].iLUN, pCtl->aIfs[i].uATARegStatus));
pCtl->aIfs[i].uATARegError = 0x01;
}
ataAsyncIOClearRequests(pCtl);
Log2(("%s: Ctl#%d: message to async I/O thread, resetA\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
if (val & ATA_DEVCTL_HOB)
{
val &= ~ATA_DEVCTL_HOB;
Log2(("%s: ignored setting HOB\n", __FUNCTION__));
}
/* Save the timestamp we started the reset. */
pCtl->u64ResetTime = RTTimeMilliTS();
/* Issue the reset request now. */
ataAsyncIOPutRequest(pCtl, &g_ataResetARequest);
#else /* !IN_RING3 */
AssertMsgFailed(("RESET handling is too complicated for GC\n"));
#endif /* IN_RING3 */
}
else if ((pCtl->aIfs[0].uATARegDevCtl & ATA_DEVCTL_RESET) &&
!(val & ATA_DEVCTL_RESET))
{
#ifdef IN_RING3
/* Software RESET high to low */
Log(("%s: deasserting RESET\n", __FUNCTION__));
Log2(("%s: Ctl#%d: message to async I/O thread, resetC\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
if (val & ATA_DEVCTL_HOB)
{
val &= ~ATA_DEVCTL_HOB;
Log2(("%s: ignored setting HOB\n", __FUNCTION__));
}
ataAsyncIOPutRequest(pCtl, &g_ataResetCRequest);
#else /* !IN_RING3 */
AssertMsgFailed(("RESET handling is too complicated for GC\n"));
#endif /* IN_RING3 */
}
/* Change of interrupt disable flag. Update interrupt line if interrupt
* is pending on the current interface. */
if ((val ^ pCtl->aIfs[0].uATARegDevCtl) & ATA_DEVCTL_DISABLE_IRQ
&& pCtl->aIfs[pCtl->iSelectedIf].fIrqPending)
{
if (!(val & ATA_DEVCTL_DISABLE_IRQ))
{
Log2(("%s: LUN#%d asserting IRQ (interrupt disable change)\n", __FUNCTION__, pCtl->aIfs[pCtl->iSelectedIf].iLUN));
/* The BMDMA unit unconditionally sets BM_STATUS_INT if the
* interrupt line is asserted. It monitors the line for a rising
* edge. */
pCtl->BmDma.u8Status |= BM_STATUS_INT;
if (pCtl->irq == 16)
PDMDevHlpPCISetIrqNoWait(CONTROLLER_2_DEVINS(pCtl), 0, 1);
else
PDMDevHlpISASetIrqNoWait(CONTROLLER_2_DEVINS(pCtl), pCtl->irq, 1);
}
else
{
Log2(("%s: LUN#%d deasserting IRQ (interrupt disable change)\n", __FUNCTION__, pCtl->aIfs[pCtl->iSelectedIf].iLUN));
if (pCtl->irq == 16)
PDMDevHlpPCISetIrqNoWait(CONTROLLER_2_DEVINS(pCtl), 0, 0);
else
PDMDevHlpISASetIrqNoWait(CONTROLLER_2_DEVINS(pCtl), pCtl->irq, 0);
}
}
if (val & ATA_DEVCTL_HOB)
Log2(("%s: set HOB\n", __FUNCTION__));
pCtl->aIfs[0].uATARegDevCtl = val;
pCtl->aIfs[1].uATARegDevCtl = val;
return VINF_SUCCESS;
}
#ifdef IN_RING3
static void ataPIOTransfer(PATACONTROLLER pCtl)
{
ATADevState *s;
s = &pCtl->aIfs[pCtl->iAIOIf];
Log3(("%s: if=%p\n", __FUNCTION__, s));
if (s->cbTotalTransfer && s->iIOBufferCur > s->iIOBufferEnd)
{
LogRel(("PIIX3 ATA: LUN#%d: %s data in the middle of a PIO transfer - VERY SLOW\n", s->iLUN, s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE ? "loading" : "storing"));
/* Any guest OS that triggers this case has a pathetic ATA driver.
* In a real system it would block the CPU via IORDY, here we do it
* very similarly by not continuing with the current instruction
* until the transfer to/from the storage medium is completed. */
if (s->iSourceSink != ATAFN_SS_NULL)
{
bool fRedo;
uint8_t status = s->uATARegStatus;
ataSetStatusValue(s, ATA_STAT_BUSY);
Log2(("%s: calling source/sink function\n", __FUNCTION__));
fRedo = g_apfnSourceSinkFuncs[s->iSourceSink](s);
pCtl->fRedo = fRedo;
if (RT_UNLIKELY(fRedo))
return;
ataSetStatusValue(s, status);
s->iIOBufferCur = 0;
s->iIOBufferEnd = s->cbElementaryTransfer;
}
}
if (s->cbTotalTransfer)
{
if (s->fATAPITransfer)
ataPIOTransferLimitATAPI(s);
if (s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE && s->cbElementaryTransfer > s->cbTotalTransfer)
s->cbElementaryTransfer = s->cbTotalTransfer;
Log2(("%s: %s tx_size=%d elem_tx_size=%d index=%d end=%d\n",
__FUNCTION__, s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE ? "T2I" : "I2T",
s->cbTotalTransfer, s->cbElementaryTransfer,
s->iIOBufferCur, s->iIOBufferEnd));
ataPIOTransferStart(s, s->iIOBufferCur, s->cbElementaryTransfer);
s->cbTotalTransfer -= s->cbElementaryTransfer;
s->iIOBufferCur += s->cbElementaryTransfer;
if (s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE && s->cbElementaryTransfer > s->cbTotalTransfer)
s->cbElementaryTransfer = s->cbTotalTransfer;
}
else
ataPIOTransferStop(s);
}
DECLINLINE(void) ataPIOTransferFinish(PATACONTROLLER pCtl, ATADevState *s)
{
/* Do not interfere with RESET processing if the PIO transfer finishes
* while the RESET line is asserted. */
if (pCtl->fReset)
{
Log2(("%s: Ctl#%d: suppressed continuing PIO transfer as RESET is active\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
return;
}
if ( s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE
|| ( s->iSourceSink != ATAFN_SS_NULL
&& s->iIOBufferCur >= s->iIOBufferEnd))
{
/* Need to continue the transfer in the async I/O thread. This is
* the case for write operations or generally for not yet finished
* transfers (some data might need to be read). */
ataUnsetStatus(s, ATA_STAT_READY | ATA_STAT_DRQ);
ataSetStatus(s, ATA_STAT_BUSY);
Log2(("%s: Ctl#%d: message to async I/O thread, continuing PIO transfer\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
ataAsyncIOPutRequest(pCtl, &g_ataPIORequest);
}
else
{
/* Either everything finished (though some data might still be pending)
* or some data is pending before the next read is due. */
/* Continue a previously started transfer. */
ataUnsetStatus(s, ATA_STAT_DRQ);
ataSetStatus(s, ATA_STAT_READY);
if (s->cbTotalTransfer)
{
/* There is more to transfer, happens usually for large ATAPI
* reads - the protocol limits the chunk size to 65534 bytes. */
ataPIOTransfer(pCtl);
ataSetIRQ(s);
}
else
{
Log2(("%s: Ctl#%d: skipping message to async I/O thread, ending PIO transfer\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
/* Finish PIO transfer. */
ataPIOTransfer(pCtl);
Assert(!pCtl->fRedo);
}
}
}
#endif /* IN_RING3 */
static int ataDataWrite(PATACONTROLLER pCtl, uint32_t addr, uint32_t cbSize, const uint8_t *pbBuf)
{
ATADevState *s = &pCtl->aIfs[pCtl->iSelectedIf];
uint8_t *p;
if (s->iIOBufferPIODataStart < s->iIOBufferPIODataEnd)
{
Assert(s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE);
p = s->CTX_SUFF(pbIOBuffer) + s->iIOBufferPIODataStart;
#ifndef IN_RING3
/* All but the last transfer unit is simple enough for GC, but
* sending a request to the async IO thread is too complicated. */
if (s->iIOBufferPIODataStart + cbSize < s->iIOBufferPIODataEnd)
{
memcpy(p, pbBuf, cbSize);
s->iIOBufferPIODataStart += cbSize;
}
else
return VINF_IOM_HC_IOPORT_WRITE;
#else /* IN_RING3 */
memcpy(p, pbBuf, cbSize);
s->iIOBufferPIODataStart += cbSize;
if (s->iIOBufferPIODataStart >= s->iIOBufferPIODataEnd)
ataPIOTransferFinish(pCtl, s);
#endif /* !IN_RING3 */
}
else
Log2(("%s: DUMMY data\n", __FUNCTION__));
Log3(("%s: addr=%#x val=%.*Rhxs\n", __FUNCTION__, addr, cbSize, pbBuf));
return VINF_SUCCESS;
}
static int ataDataRead(PATACONTROLLER pCtl, uint32_t addr, uint32_t cbSize, uint8_t *pbBuf)
{
ATADevState *s = &pCtl->aIfs[pCtl->iSelectedIf];
uint8_t *p;
if (s->iIOBufferPIODataStart < s->iIOBufferPIODataEnd)
{
Assert(s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE);
p = s->CTX_SUFF(pbIOBuffer) + s->iIOBufferPIODataStart;
#ifndef IN_RING3
/* All but the last transfer unit is simple enough for GC, but
* sending a request to the async IO thread is too complicated. */
if (s->iIOBufferPIODataStart + cbSize < s->iIOBufferPIODataEnd)
{
memcpy(pbBuf, p, cbSize);
s->iIOBufferPIODataStart += cbSize;
}
else
return VINF_IOM_HC_IOPORT_READ;
#else /* IN_RING3 */
memcpy(pbBuf, p, cbSize);
s->iIOBufferPIODataStart += cbSize;
if (s->iIOBufferPIODataStart >= s->iIOBufferPIODataEnd)
ataPIOTransferFinish(pCtl, s);
#endif /* !IN_RING3 */
}
else
{
Log2(("%s: DUMMY data\n", __FUNCTION__));
memset(pbBuf, '\xff', cbSize);
}
Log3(("%s: addr=%#x val=%.*Rhxs\n", __FUNCTION__, addr, cbSize, pbBuf));
return VINF_SUCCESS;
}
#ifdef IN_RING3
static void ataDMATransferStop(ATADevState *s)
{
s->cbTotalTransfer = 0;
s->cbElementaryTransfer = 0;
s->iBeginTransfer = ATAFN_BT_NULL;
s->iSourceSink = ATAFN_SS_NULL;
}
/**
* Perform the entire DMA transfer in one go (unless a source/sink operation
* has to be redone or a RESET comes in between). Unlike the PIO counterpart
* this function cannot handle empty transfers.
*
* @param pCtl Controller for which to perform the transfer.
*/
static void ataDMATransfer(PATACONTROLLER pCtl)
{
PPDMDEVINS pDevIns = CONTROLLER_2_DEVINS(pCtl);
ATADevState *s = &pCtl->aIfs[pCtl->iAIOIf];
bool fRedo;
RTGCPHYS32 pDesc;
uint32_t cbTotalTransfer, cbElementaryTransfer;
uint32_t iIOBufferCur, iIOBufferEnd;
uint32_t dmalen;
PDMBLOCKTXDIR uTxDir;
bool fLastDesc = false;
Assert(sizeof(BMDMADesc) == 8);
fRedo = pCtl->fRedo;
if (RT_LIKELY(!fRedo))
Assert(s->cbTotalTransfer);
uTxDir = (PDMBLOCKTXDIR)s->uTxDir;
cbTotalTransfer = s->cbTotalTransfer;
cbElementaryTransfer = s->cbElementaryTransfer;
iIOBufferCur = s->iIOBufferCur;
iIOBufferEnd = s->iIOBufferEnd;
/* The DMA loop is designed to hold the lock only when absolutely
* necessary. This avoids long freezes should the guest access the
* ATA registers etc. for some reason. */
PDMCritSectLeave(&pCtl->lock);
Log2(("%s: %s tx_size=%d elem_tx_size=%d index=%d end=%d\n",
__FUNCTION__, uTxDir == PDMBLOCKTXDIR_FROM_DEVICE ? "T2I" : "I2T",
cbTotalTransfer, cbElementaryTransfer,
iIOBufferCur, iIOBufferEnd));
for (pDesc = pCtl->pFirstDMADesc; pDesc <= pCtl->pLastDMADesc; pDesc += sizeof(BMDMADesc))
{
BMDMADesc DMADesc;
RTGCPHYS32 pBuffer;
uint32_t cbBuffer;
if (RT_UNLIKELY(fRedo))
{
pBuffer = pCtl->pRedoDMABuffer;
cbBuffer = pCtl->cbRedoDMABuffer;
fLastDesc = pCtl->fRedoDMALastDesc;
}
else
{
PDMDevHlpPhysRead(pDevIns, pDesc, &DMADesc, sizeof(BMDMADesc));
pBuffer = RT_LE2H_U32(DMADesc.pBuffer);
cbBuffer = RT_LE2H_U32(DMADesc.cbBuffer);
fLastDesc = !!(cbBuffer & 0x80000000);
cbBuffer &= 0xfffe;
if (cbBuffer == 0)
cbBuffer = 0x10000;
if (cbBuffer > cbTotalTransfer)
cbBuffer = cbTotalTransfer;
}
while (RT_UNLIKELY(fRedo) || (cbBuffer && cbTotalTransfer))
{
if (RT_LIKELY(!fRedo))
{
dmalen = RT_MIN(cbBuffer, iIOBufferEnd - iIOBufferCur);
Log2(("%s: DMA desc %#010x: addr=%#010x size=%#010x\n", __FUNCTION__,
(int)pDesc, pBuffer, cbBuffer));
if (uTxDir == PDMBLOCKTXDIR_FROM_DEVICE)
PDMDevHlpPhysWrite(pDevIns, pBuffer, s->CTX_SUFF(pbIOBuffer) + iIOBufferCur, dmalen);
else
PDMDevHlpPhysRead(pDevIns, pBuffer, s->CTX_SUFF(pbIOBuffer) + iIOBufferCur, dmalen);
iIOBufferCur += dmalen;
cbTotalTransfer -= dmalen;
cbBuffer -= dmalen;
pBuffer += dmalen;
}
if ( iIOBufferCur == iIOBufferEnd
&& (uTxDir == PDMBLOCKTXDIR_TO_DEVICE || cbTotalTransfer))
{
if (uTxDir == PDMBLOCKTXDIR_FROM_DEVICE && cbElementaryTransfer > cbTotalTransfer)
cbElementaryTransfer = cbTotalTransfer;
{
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
}
/* The RESET handler could have cleared the DMA transfer
* state (since we didn't hold the lock until just now
* the guest can continue in parallel). If so, the state
* is already set up so the loop is exited immediately. */
if (s->iSourceSink != ATAFN_SS_NULL)
{
s->iIOBufferCur = iIOBufferCur;
s->iIOBufferEnd = iIOBufferEnd;
s->cbElementaryTransfer = cbElementaryTransfer;
s->cbTotalTransfer = cbTotalTransfer;
Log2(("%s: calling source/sink function\n", __FUNCTION__));
fRedo = g_apfnSourceSinkFuncs[s->iSourceSink](s);
if (RT_UNLIKELY(fRedo))
{
pCtl->pFirstDMADesc = pDesc;
pCtl->pRedoDMABuffer = pBuffer;
pCtl->cbRedoDMABuffer = cbBuffer;
pCtl->fRedoDMALastDesc = fLastDesc;
}
else
{
cbTotalTransfer = s->cbTotalTransfer;
cbElementaryTransfer = s->cbElementaryTransfer;
if (uTxDir == PDMBLOCKTXDIR_TO_DEVICE && cbElementaryTransfer > cbTotalTransfer)
cbElementaryTransfer = cbTotalTransfer;
iIOBufferCur = 0;
iIOBufferEnd = cbElementaryTransfer;
}
pCtl->fRedo = fRedo;
}
else
{
/* This forces the loop to exit immediately. */
pDesc = pCtl->pLastDMADesc + 1;
}
PDMCritSectLeave(&pCtl->lock);
if (RT_UNLIKELY(fRedo))
break;
}
}
if (RT_UNLIKELY(fRedo))
break;
/* end of transfer */
if (!cbTotalTransfer || fLastDesc)
break;
{
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
}
if (!(pCtl->BmDma.u8Cmd & BM_CMD_START) || pCtl->fReset)
{
LogRel(("PIIX3 ATA: Ctl#%d: ABORT DMA%s\n", ATACONTROLLER_IDX(pCtl), pCtl->fReset ? " due to RESET" : ""));
if (!pCtl->fReset)
ataDMATransferStop(s);
/* This forces the loop to exit immediately. */
pDesc = pCtl->pLastDMADesc + 1;
}
PDMCritSectLeave(&pCtl->lock);
}
{
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
}
if (RT_UNLIKELY(fRedo))
return;
if (fLastDesc)
pCtl->BmDma.u8Status &= ~BM_STATUS_DMAING;
s->cbTotalTransfer = cbTotalTransfer;
s->cbElementaryTransfer = cbElementaryTransfer;
s->iIOBufferCur = iIOBufferCur;
s->iIOBufferEnd = iIOBufferEnd;
}
/**
* Signal PDM that we're idle (if we actually are).
*
* @param pCtl The controller.
*/
static void ataR3AsyncSignalIdle(PATACONTROLLER pCtl)
{
/*
* Take the mutex here and recheck the idle indicator to avoid
* unnecessary work and racing ataR3WaitForAsyncIOIsIdle.
*/
int rc = RTSemMutexRequest(pCtl->AsyncIORequestMutex, RT_INDEFINITE_WAIT); AssertRC(rc);
if ( pCtl->fSignalIdle
&& ataAsyncIOIsIdle(pCtl, false /*fStrict*/))
{
PDMDevHlpAsyncNotificationCompleted(pCtl->pDevInsR3);
RTThreadUserSignal(pCtl->AsyncIOThread); /* for ataR3Construct/ataR3ResetCommon. */
}
rc = RTSemMutexRelease(pCtl->AsyncIORequestMutex); AssertRC(rc);
}
/** Asynch I/O thread for an interface. Once upon a time this was readable
* code with several loops and a different semaphore for each purpose. But
* then came the "how can one save the state in the middle of a PIO transfer"
* question. The solution was to use an ASM, which is what's there now. */
static DECLCALLBACK(int) ataAsyncIOLoop(RTTHREAD ThreadSelf, void *pvUser)
{
const ATARequest *pReq;
uint64_t u64TS = 0; /* shut up gcc */
uint64_t uWait;
int rc = VINF_SUCCESS;
PATACONTROLLER pCtl = (PATACONTROLLER)pvUser;
ATADevState *s;
pReq = NULL;
pCtl->fChainedTransfer = false;
while (!pCtl->fShutdown)
{
/* Keep this thread from doing anything as long as EMT is suspended. */
while (pCtl->fRedoIdle)
{
if (pCtl->fSignalIdle)
ataR3AsyncSignalIdle(pCtl);
rc = RTSemEventWait(pCtl->SuspendIOSem, RT_INDEFINITE_WAIT);
/* Continue if we got a signal by RTThreadPoke().
* We will get notified if there is a request to process.
*/
if (RT_UNLIKELY(rc == VERR_INTERRUPTED))
continue;
if (RT_FAILURE(rc) || pCtl->fShutdown)
break;
pCtl->fRedoIdle = false;
}
/* Wait for work. */
while (pReq == NULL)
{
if (pCtl->fSignalIdle)
ataR3AsyncSignalIdle(pCtl);
rc = RTSemEventWait(pCtl->AsyncIOSem, RT_INDEFINITE_WAIT);
/* Continue if we got a signal by RTThreadPoke().
* We will get notified if there is a request to process.
*/
if (RT_UNLIKELY(rc == VERR_INTERRUPTED))
continue;
if (RT_FAILURE(rc) || RT_UNLIKELY(pCtl->fShutdown))
break;
pReq = ataAsyncIOGetCurrentRequest(pCtl);
}
if (RT_FAILURE(rc) || pCtl->fShutdown)
break;
if (pReq == NULL)
continue;
ATAAIO ReqType = pReq->ReqType;
Log2(("%s: Ctl#%d: state=%d, req=%d\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl), pCtl->uAsyncIOState, ReqType));
if (pCtl->uAsyncIOState != ReqType)
{
/* The new state is not the state that was expected by the normal
* state changes. This is either a RESET/ABORT or there's something
* really strange going on. */
if ( (pCtl->uAsyncIOState == ATA_AIO_PIO || pCtl->uAsyncIOState == ATA_AIO_DMA)
&& (ReqType == ATA_AIO_PIO || ReqType == ATA_AIO_DMA))
{
/* Incorrect sequence of PIO/DMA states. Dump request queue. */
ataAsyncIODumpRequests(pCtl);
}
AssertReleaseMsg(ReqType == ATA_AIO_RESET_ASSERTED || ReqType == ATA_AIO_RESET_CLEARED || ReqType == ATA_AIO_ABORT || pCtl->uAsyncIOState == ReqType, ("I/O state inconsistent: state=%d request=%d\n", pCtl->uAsyncIOState, ReqType));
}
/* Do our work. */
{
STAM_PROFILE_START(&pCtl->StatLockWait, a);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
STAM_PROFILE_STOP(&pCtl->StatLockWait, a);
}
if (pCtl->uAsyncIOState == ATA_AIO_NEW && !pCtl->fChainedTransfer)
{
u64TS = RTTimeNanoTS();
#if defined(DEBUG) || defined(VBOX_WITH_STATISTICS)
STAM_PROFILE_ADV_START(&pCtl->StatAsyncTime, a);
#endif /* DEBUG || VBOX_WITH_STATISTICS */
}
switch (ReqType)
{
case ATA_AIO_NEW:
pCtl->iAIOIf = pReq->u.t.iIf;
s = &pCtl->aIfs[pCtl->iAIOIf];
s->cbTotalTransfer = pReq->u.t.cbTotalTransfer;
s->uTxDir = pReq->u.t.uTxDir;
s->iBeginTransfer = pReq->u.t.iBeginTransfer;
s->iSourceSink = pReq->u.t.iSourceSink;
s->iIOBufferEnd = 0;
s->u64CmdTS = u64TS;
if (s->fATAPI)
{
if (pCtl->fChainedTransfer)
{
/* Only count the actual transfers, not the PIO
* transfer of the ATAPI command bytes. */
if (s->fDMA)
STAM_REL_COUNTER_INC(&s->StatATAPIDMA);
else
STAM_REL_COUNTER_INC(&s->StatATAPIPIO);
}
}
else
{
if (s->fDMA)
STAM_REL_COUNTER_INC(&s->StatATADMA);
else
STAM_REL_COUNTER_INC(&s->StatATAPIO);
}
pCtl->fChainedTransfer = false;
if (s->iBeginTransfer != ATAFN_BT_NULL)
{
Log2(("%s: Ctl#%d: calling begin transfer function\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
g_apfnBeginTransFuncs[s->iBeginTransfer](s);
s->iBeginTransfer = ATAFN_BT_NULL;
if (s->uTxDir != PDMBLOCKTXDIR_FROM_DEVICE)
s->iIOBufferEnd = s->cbElementaryTransfer;
}
else
{
s->cbElementaryTransfer = s->cbTotalTransfer;
s->iIOBufferEnd = s->cbTotalTransfer;
}
s->iIOBufferCur = 0;
if (s->uTxDir != PDMBLOCKTXDIR_TO_DEVICE)
{
if (s->iSourceSink != ATAFN_SS_NULL)
{
bool fRedo;
Log2(("%s: Ctl#%d: calling source/sink function\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
fRedo = g_apfnSourceSinkFuncs[s->iSourceSink](s);
pCtl->fRedo = fRedo;
if (RT_UNLIKELY(fRedo && !pCtl->fReset))
{
/* Operation failed at the initial transfer, restart
* everything from scratch by resending the current
* request. Occurs very rarely, not worth optimizing. */
LogRel(("%s: Ctl#%d: redo entire operation\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
ataAsyncIOPutRequest(pCtl, pReq);
break;
}
}
else
ataCmdOK(s, 0);
s->iIOBufferEnd = s->cbElementaryTransfer;
}
/* Do not go into the transfer phase if RESET is asserted.
* The CritSect is released while waiting for the host OS
* to finish the I/O, thus RESET is possible here. Most
* important: do not change uAsyncIOState. */
if (pCtl->fReset)
break;
if (s->fDMA)
{
if (s->cbTotalTransfer)
{
ataSetStatus(s, ATA_STAT_DRQ);
pCtl->uAsyncIOState = ATA_AIO_DMA;
/* If BMDMA is already started, do the transfer now. */
if (pCtl->BmDma.u8Cmd & BM_CMD_START)
{
Log2(("%s: Ctl#%d: message to async I/O thread, continuing DMA transfer immediately\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
ataAsyncIOPutRequest(pCtl, &g_ataDMARequest);
}
}
else
{
Assert(s->uTxDir == PDMBLOCKTXDIR_NONE); /* Any transfer which has an initial transfer size of 0 must be marked as such. */
/* Finish DMA transfer. */
ataDMATransferStop(s);
ataSetIRQ(s);
pCtl->uAsyncIOState = ATA_AIO_NEW;
}
}
else
{
if (s->cbTotalTransfer)
{
ataPIOTransfer(pCtl);
Assert(!pCtl->fRedo);
if (s->fATAPITransfer || s->uTxDir != PDMBLOCKTXDIR_TO_DEVICE)
ataSetIRQ(s);
if (s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE || s->iSourceSink != ATAFN_SS_NULL)
{
/* Write operations and not yet finished transfers
* must be completed in the async I/O thread. */
pCtl->uAsyncIOState = ATA_AIO_PIO;
}
else
{
/* Finished read operation can be handled inline
* in the end of PIO transfer handling code. Linux
* depends on this, as it waits only briefly for
* devices to become ready after incoming data
* transfer. Cannot find anything in the ATA spec
* that backs this assumption, but as all kernels
* are affected (though most of the time it does
* not cause any harm) this must work. */
pCtl->uAsyncIOState = ATA_AIO_NEW;
}
}
else
{
Assert(s->uTxDir == PDMBLOCKTXDIR_NONE); /* Any transfer which has an initial transfer size of 0 must be marked as such. */
/* Finish PIO transfer. */
ataPIOTransfer(pCtl);
Assert(!pCtl->fRedo);
if (!s->fATAPITransfer)
ataSetIRQ(s);
pCtl->uAsyncIOState = ATA_AIO_NEW;
}
}
break;
case ATA_AIO_DMA:
{
BMDMAState *bm = &pCtl->BmDma;
s = &pCtl->aIfs[pCtl->iAIOIf]; /* Do not remove or there's an instant crash after loading the saved state */
ATAFNSS iOriginalSourceSink = (ATAFNSS)s->iSourceSink; /* Used by the hack below, but gets reset by then. */
if (s->uTxDir == PDMBLOCKTXDIR_FROM_DEVICE)
AssertRelease(bm->u8Cmd & BM_CMD_WRITE);
else
AssertRelease(!(bm->u8Cmd & BM_CMD_WRITE));
if (RT_LIKELY(!pCtl->fRedo))
{
/* The specs say that the descriptor table must not cross a
* 4K boundary. */
pCtl->pFirstDMADesc = bm->pvAddr;
pCtl->pLastDMADesc = RT_ALIGN_32(bm->pvAddr + 1, _4K) - sizeof(BMDMADesc);
}
ataDMATransfer(pCtl);
if (RT_UNLIKELY(pCtl->fRedo && !pCtl->fReset))
{
LogRel(("PIIX3 ATA: Ctl#%d: redo DMA operation\n", ATACONTROLLER_IDX(pCtl)));
ataAsyncIOPutRequest(pCtl, &g_ataDMARequest);
break;
}
/* The infamous delay IRQ hack. */
if ( iOriginalSourceSink == ATAFN_SS_WRITE_SECTORS
&& s->cbTotalTransfer == 0
&& pCtl->DelayIRQMillies)
{
/* Delay IRQ for writing. Required to get the Win2K
* installation work reliably (otherwise it crashes,
* usually during component install). So far no better
* solution has been found. */
Log(("%s: delay IRQ hack\n", __FUNCTION__));
PDMCritSectLeave(&pCtl->lock);
RTThreadSleep(pCtl->DelayIRQMillies);
PDMCritSectEnter(&pCtl->lock, VINF_SUCCESS);
}
ataUnsetStatus(s, ATA_STAT_DRQ);
Assert(!pCtl->fChainedTransfer);
Assert(s->iSourceSink == ATAFN_SS_NULL);
if (s->fATAPITransfer)
{
s->uATARegNSector = (s->uATARegNSector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
Log2(("%s: Ctl#%d: interrupt reason %#04x\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl), s->uATARegNSector));
s->fATAPITransfer = false;
}
ataSetIRQ(s);
pCtl->uAsyncIOState = ATA_AIO_NEW;
break;
}
case ATA_AIO_PIO:
s = &pCtl->aIfs[pCtl->iAIOIf]; /* Do not remove or there's an instant crash after loading the saved state */
if (s->iSourceSink != ATAFN_SS_NULL)
{
bool fRedo;
Log2(("%s: Ctl#%d: calling source/sink function\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
fRedo = g_apfnSourceSinkFuncs[s->iSourceSink](s);
pCtl->fRedo = fRedo;
if (RT_UNLIKELY(fRedo && !pCtl->fReset))
{
LogRel(("PIIX3 ATA: Ctl#%d: redo PIO operation\n", ATACONTROLLER_IDX(pCtl)));
ataAsyncIOPutRequest(pCtl, &g_ataPIORequest);
ataSuspendRedo(pCtl);
break;
}
s->iIOBufferCur = 0;
s->iIOBufferEnd = s->cbElementaryTransfer;
}
else
{
/* Continue a previously started transfer. */
ataUnsetStatus(s, ATA_STAT_BUSY);
ataSetStatus(s, ATA_STAT_READY);
}
/* It is possible that the drives on this controller get RESET
* during the above call to the source/sink function. If that's
* the case, don't restart the transfer and don't finish it the
* usual way. RESET handling took care of all that already.
* Most important: do not change uAsyncIOState. */
if (pCtl->fReset)
break;
if (s->cbTotalTransfer)
{
ataPIOTransfer(pCtl);
ataSetIRQ(s);
if (s->uTxDir == PDMBLOCKTXDIR_TO_DEVICE || s->iSourceSink != ATAFN_SS_NULL)
{
/* Write operations and not yet finished transfers
* must be completed in the async I/O thread. */
pCtl->uAsyncIOState = ATA_AIO_PIO;
}
else
{
/* Finished read operation can be handled inline
* in the end of PIO transfer handling code. Linux
* depends on this, as it waits only briefly for
* devices to become ready after incoming data
* transfer. Cannot find anything in the ATA spec
* that backs this assumption, but as all kernels
* are affected (though most of the time it does
* not cause any harm) this must work. */
pCtl->uAsyncIOState = ATA_AIO_NEW;
}
}
else
{
/* Finish PIO transfer. */
ataPIOTransfer(pCtl);
if ( !pCtl->fChainedTransfer
&& !s->fATAPITransfer
&& s->uTxDir != PDMBLOCKTXDIR_FROM_DEVICE)
{
ataSetIRQ(s);
}
pCtl->uAsyncIOState = ATA_AIO_NEW;
}
break;
case ATA_AIO_RESET_ASSERTED:
pCtl->uAsyncIOState = ATA_AIO_RESET_CLEARED;
ataPIOTransferStop(&pCtl->aIfs[0]);
ataPIOTransferStop(&pCtl->aIfs[1]);
/* Do not change the DMA registers, they are not affected by the
* ATA controller reset logic. It should be sufficient to issue a
* new command, which is now possible as the state is cleared. */
break;
case ATA_AIO_RESET_CLEARED:
pCtl->uAsyncIOState = ATA_AIO_NEW;
pCtl->fReset = false;
/* Ensure that half-completed transfers are not redone. A reset
* cancels the entire transfer, so continuing is wrong. */
pCtl->fRedo = false;
pCtl->fRedoDMALastDesc = false;
LogRel(("PIIX3 ATA: Ctl#%d: finished processing RESET\n",
ATACONTROLLER_IDX(pCtl)));
for (uint32_t i = 0; i < RT_ELEMENTS(pCtl->aIfs); i++)
{
if (pCtl->aIfs[i].fATAPI)
ataSetStatusValue(&pCtl->aIfs[i], 0); /* NOTE: READY is _not_ set */
else
ataSetStatusValue(&pCtl->aIfs[i], ATA_STAT_READY | ATA_STAT_SEEK);
ataSetSignature(&pCtl->aIfs[i]);
}
break;
case ATA_AIO_ABORT:
/* Abort the current command only if it operates on the same interface. */
if (pCtl->iAIOIf == pReq->u.a.iIf)
{
s = &pCtl->aIfs[pCtl->iAIOIf];
pCtl->uAsyncIOState = ATA_AIO_NEW;
/* Do not change the DMA registers, they are not affected by the
* ATA controller reset logic. It should be sufficient to issue a
* new command, which is now possible as the state is cleared. */
if (pReq->u.a.fResetDrive)
{
ataResetDevice(s);
ataExecuteDeviceDiagnosticSS(s);
}
else
{
/* Stop any pending DMA transfer. */
s->fDMA = false;
ataPIOTransferStop(s);
ataUnsetStatus(s, ATA_STAT_BUSY | ATA_STAT_DRQ | ATA_STAT_SEEK | ATA_STAT_ERR);
ataSetStatus(s, ATA_STAT_READY);
ataSetIRQ(s);
}
}
break;
default:
AssertMsgFailed(("Undefined async I/O state %d\n", pCtl->uAsyncIOState));
}
ataAsyncIORemoveCurrentRequest(pCtl, ReqType);
pReq = ataAsyncIOGetCurrentRequest(pCtl);
if (pCtl->uAsyncIOState == ATA_AIO_NEW && !pCtl->fChainedTransfer)
{
#if defined(DEBUG) || defined(VBOX_WITH_STATISTICS)
STAM_PROFILE_ADV_STOP(&pCtl->StatAsyncTime, a);
#endif /* DEBUG || VBOX_WITH_STATISTICS */
u64TS = RTTimeNanoTS() - u64TS;
uWait = u64TS / 1000;
Log(("%s: Ctl#%d: LUN#%d finished I/O transaction in %d microseconds\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl), pCtl->aIfs[pCtl->iAIOIf].iLUN, (uint32_t)(uWait)));
/* Mark command as finished. */
pCtl->aIfs[pCtl->iAIOIf].u64CmdTS = 0;
/*
* Release logging of command execution times depends on the
* command type. ATAPI commands often take longer (due to CD/DVD
* spin up time etc.) so the threshold is different.
*/
if (pCtl->aIfs[pCtl->iAIOIf].uATARegCommand != ATA_PACKET)
{
if (uWait > 8 * 1000 * 1000)
{
/*
* Command took longer than 8 seconds. This is close
* enough or over the guest's command timeout, so place
* an entry in the release log to allow tracking such
* timing errors (which are often caused by the host).
*/
LogRel(("PIIX3 ATA: execution time for ATA command %#04x was %d seconds\n", pCtl->aIfs[pCtl->iAIOIf].uATARegCommand, uWait / (1000 * 1000)));
}
}
else
{
if (uWait > 20 * 1000 * 1000)
{
/*
* Command took longer than 20 seconds. This is close
* enough or over the guest's command timeout, so place
* an entry in the release log to allow tracking such
* timing errors (which are often caused by the host).
*/
LogRel(("PIIX3 ATA: execution time for ATAPI command %#04x was %d seconds\n", pCtl->aIfs[pCtl->iAIOIf].aATAPICmd[0], uWait / (1000 * 1000)));
}
}
#if defined(DEBUG) || defined(VBOX_WITH_STATISTICS)
if (uWait < pCtl->StatAsyncMinWait || !pCtl->StatAsyncMinWait)
pCtl->StatAsyncMinWait = uWait;
if (uWait > pCtl->StatAsyncMaxWait)
pCtl->StatAsyncMaxWait = uWait;
STAM_COUNTER_ADD(&pCtl->StatAsyncTimeUS, uWait);
STAM_COUNTER_INC(&pCtl->StatAsyncOps);
#endif /* DEBUG || VBOX_WITH_STATISTICS */
}
PDMCritSectLeave(&pCtl->lock);
}
/* Signal the ultimate idleness. */
RTThreadUserSignal(pCtl->AsyncIOThread);
if (pCtl->fSignalIdle)
PDMDevHlpAsyncNotificationCompleted(pCtl->pDevInsR3);
/* Cleanup the state. */
/* Do not destroy request mutex yet, still needed for proper shutdown. */
pCtl->fShutdown = false;
Log2(("%s: Ctl#%d: return %Rrc\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl), rc));
return rc;
}
#endif /* IN_RING3 */
static uint32_t ataBMDMACmdReadB(PATACONTROLLER pCtl, uint32_t addr)
{
uint32_t val = pCtl->BmDma.u8Cmd;
Log2(("%s: addr=%#06x val=%#04x\n", __FUNCTION__, addr, val));
return val;
}
static void ataBMDMACmdWriteB(PATACONTROLLER pCtl, uint32_t addr, uint32_t val)
{
Log2(("%s: addr=%#06x val=%#04x\n", __FUNCTION__, addr, val));
if (!(val & BM_CMD_START))
{
pCtl->BmDma.u8Status &= ~BM_STATUS_DMAING;
pCtl->BmDma.u8Cmd = val & (BM_CMD_START | BM_CMD_WRITE);
}
else
{
#ifdef IN_RING3
/* Check whether the guest OS wants to change DMA direction in
* mid-flight. Not allowed, according to the PIIX3 specs. */
Assert(!(pCtl->BmDma.u8Status & BM_STATUS_DMAING) || !((val ^ pCtl->BmDma.u8Cmd) & 0x04));
pCtl->BmDma.u8Status |= BM_STATUS_DMAING;
pCtl->BmDma.u8Cmd = val & (BM_CMD_START | BM_CMD_WRITE);
/* Do not continue DMA transfers while the RESET line is asserted. */
if (pCtl->fReset)
{
Log2(("%s: Ctl#%d: suppressed continuing DMA transfer as RESET is active\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
return;
}
/* Do not start DMA transfers if there's a PIO transfer going on. */
if (!pCtl->aIfs[pCtl->iSelectedIf].fDMA)
return;
if (pCtl->aIfs[pCtl->iAIOIf].uATARegStatus & ATA_STAT_DRQ)
{
Log2(("%s: Ctl#%d: message to async I/O thread, continuing DMA transfer\n", __FUNCTION__, ATACONTROLLER_IDX(pCtl)));
ataAsyncIOPutRequest(pCtl, &g_ataDMARequest);
}
#else /* !IN_RING3 */
AssertMsgFailed(("DMA START handling is too complicated for GC\n"));
#endif /* IN_RING3 */
}
}
static uint32_t ataBMDMAStatusReadB(PATACONTROLLER pCtl, uint32_t addr)
{
uint32_t val = pCtl->BmDma.u8Status;
Log2(("%s: addr=%#06x val=%#04x\n", __FUNCTION__, addr, val));
return val;
}
static void ataBMDMAStatusWriteB(PATACONTROLLER pCtl, uint32_t addr, uint32_t val)
{
Log2(("%s: addr=%#06x val=%#04x\n", __FUNCTION__, addr, val));
pCtl->BmDma.u8Status = (val & (BM_STATUS_D0DMA | BM_STATUS_D1DMA))
| (pCtl->BmDma.u8Status & BM_STATUS_DMAING)
| (pCtl->BmDma.u8Status & ~val & (BM_STATUS_ERROR | BM_STATUS_INT));
}
static uint32_t ataBMDMAAddrReadL(PATACONTROLLER pCtl, uint32_t addr)
{
uint32_t val = (uint32_t)pCtl->BmDma.pvAddr;
Log2(("%s: addr=%#06x val=%#010x\n", __FUNCTION__, addr, val));
return val;
}
static void ataBMDMAAddrWriteL(PATACONTROLLER pCtl, uint32_t addr, uint32_t val)
{
Log2(("%s: addr=%#06x val=%#010x\n", __FUNCTION__, addr, val));
pCtl->BmDma.pvAddr = val & ~3;
}
static void ataBMDMAAddrWriteLowWord(PATACONTROLLER pCtl, uint32_t addr, uint32_t val)
{
Log2(("%s: addr=%#06x val=%#010x\n", __FUNCTION__, addr, val));
pCtl->BmDma.pvAddr = (pCtl->BmDma.pvAddr & 0xFFFF0000) | RT_LOWORD(val & ~3);
}
static void ataBMDMAAddrWriteHighWord(PATACONTROLLER pCtl, uint32_t addr, uint32_t val)
{
Log2(("%s: addr=%#06x val=%#010x\n", __FUNCTION__, addr, val));
pCtl->BmDma.pvAddr = (RT_LOWORD(val) << 16) | RT_LOWORD(pCtl->BmDma.pvAddr);
}
#define VAL(port, size) ( ((port) & 7) | ((size) << 3) )
/**
* Port I/O Handler for bus master DMA IN operations.
* @see FNIOMIOPORTIN for details.
*/
PDMBOTHCBDECL(int) ataBMDMAIOPortRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc;
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_READ);
if (rc != VINF_SUCCESS)
return rc;
switch (VAL(Port, cb))
{
case VAL(0, 1): *pu32 = ataBMDMACmdReadB(pCtl, Port); break;
case VAL(0, 2): *pu32 = ataBMDMACmdReadB(pCtl, Port); break;
case VAL(2, 1): *pu32 = ataBMDMAStatusReadB(pCtl, Port); break;
case VAL(2, 2): *pu32 = ataBMDMAStatusReadB(pCtl, Port); break;
case VAL(4, 4): *pu32 = ataBMDMAAddrReadL(pCtl, Port); break;
case VAL(0, 4):
/* The SCO OpenServer tries to read 4 bytes starting from offset 0. */
*pu32 = ataBMDMACmdReadB(pCtl, Port) | (ataBMDMAStatusReadB(pCtl, Port) << 16);
break;
default:
AssertMsgFailed(("%s: Unsupported read from port %x size=%d\n", __FUNCTION__, Port, cb));
PDMCritSectLeave(&pCtl->lock);
return VERR_IOM_IOPORT_UNUSED;
}
PDMCritSectLeave(&pCtl->lock);
return rc;
}
/**
* Port I/O Handler for bus master DMA OUT operations.
* @see FNIOMIOPORTOUT for details.
*/
PDMBOTHCBDECL(int) ataBMDMAIOPortWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc;
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_WRITE);
if (rc != VINF_SUCCESS)
return rc;
switch (VAL(Port, cb))
{
case VAL(0, 1):
#ifndef IN_RING3
if (u32 & BM_CMD_START)
{
rc = VINF_IOM_HC_IOPORT_WRITE;
break;
}
#endif /* !IN_RING3 */
ataBMDMACmdWriteB(pCtl, Port, u32);
break;
case VAL(2, 1): ataBMDMAStatusWriteB(pCtl, Port, u32); break;
case VAL(4, 4): ataBMDMAAddrWriteL(pCtl, Port, u32); break;
case VAL(4, 2): ataBMDMAAddrWriteLowWord(pCtl, Port, u32); break;
case VAL(6, 2): ataBMDMAAddrWriteHighWord(pCtl, Port, u32); break;
default: AssertMsgFailed(("%s: Unsupported write to port %x size=%d val=%x\n", __FUNCTION__, Port, cb, u32)); break;
}
PDMCritSectLeave(&pCtl->lock);
return rc;
}
#undef VAL
#ifdef IN_RING3
/**
* Callback function for mapping an PCI I/O region.
*
* @return VBox status code.
* @param pPciDev Pointer to PCI device. Use pPciDev->pDevIns to get the device instance.
* @param iRegion The region number.
* @param GCPhysAddress Physical address of the region. If iType is PCI_ADDRESS_SPACE_IO, this is an
* I/O port, else it's a physical address.
* This address is *NOT* relative to pci_mem_base like earlier!
* @param enmType One of the PCI_ADDRESS_SPACE_* values.
*/
static DECLCALLBACK(int) ataBMDMAIORangeMap(PPCIDEVICE pPciDev, /*unsigned*/ int iRegion, RTGCPHYS GCPhysAddress, uint32_t cb, PCIADDRESSSPACE enmType)
{
PCIATAState *pThis = PCIDEV_2_PCIATASTATE(pPciDev);
int rc = VINF_SUCCESS;
Assert(enmType == PCI_ADDRESS_SPACE_IO);
Assert(iRegion == 4);
AssertMsg(RT_ALIGN(GCPhysAddress, 8) == GCPhysAddress, ("Expected 8 byte alignment. GCPhysAddress=%#x\n", GCPhysAddress));
/* Register the port range. */
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
int rc2 = PDMDevHlpIOPortRegister(pPciDev->pDevIns, (RTIOPORT)GCPhysAddress + i * 8, 8,
(RTHCPTR)i, ataBMDMAIOPortWrite, ataBMDMAIOPortRead, NULL, NULL, "ATA Bus Master DMA");
AssertRC(rc2);
if (rc2 < rc)
rc = rc2;
if (pThis->fGCEnabled)
{
rc2 = PDMDevHlpIOPortRegisterGC(pPciDev->pDevIns, (RTIOPORT)GCPhysAddress + i * 8, 8,
(RTGCPTR)i, "ataBMDMAIOPortWrite", "ataBMDMAIOPortRead", NULL, NULL, "ATA Bus Master DMA");
AssertRC(rc2);
if (rc2 < rc)
rc = rc2;
}
if (pThis->fR0Enabled)
{
rc2 = PDMDevHlpIOPortRegisterR0(pPciDev->pDevIns, (RTIOPORT)GCPhysAddress + i * 8, 8,
(RTR0PTR)i, "ataBMDMAIOPortWrite", "ataBMDMAIOPortRead", NULL, NULL, "ATA Bus Master DMA");
AssertRC(rc2);
if (rc2 < rc)
rc = rc2;
}
}
return rc;
}
/* -=-=-=-=-=- PCIATAState::IBase -=-=-=-=-=- */
/**
* @interface_method_impl{PDMIBASE,pfnQueryInterface}
*/
static DECLCALLBACK(void *) ataStatus_QueryInterface(PPDMIBASE pInterface, const char *pszIID)
{
PCIATAState *pThis = PDMIBASE_2_PCIATASTATE(pInterface);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThis->IBase);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMILEDPORTS, &pThis->ILeds);
return NULL;
}
/* -=-=-=-=-=- PCIATAState::ILeds -=-=-=-=-=- */
/**
* Gets the pointer to the status LED of a unit.
*
* @returns VBox status code.
* @param pInterface Pointer to the interface structure containing the called function pointer.
* @param iLUN The unit which status LED we desire.
* @param ppLed Where to store the LED pointer.
*/
static DECLCALLBACK(int) ataStatus_QueryStatusLed(PPDMILEDPORTS pInterface, unsigned iLUN, PPDMLED *ppLed)
{
PCIATAState *pThis = PDMILEDPORTS_2_PCIATASTATE(pInterface);
if (iLUN < 4)
{
switch (iLUN)
{
case 0: *ppLed = &pThis->aCts[0].aIfs[0].Led; break;
case 1: *ppLed = &pThis->aCts[0].aIfs[1].Led; break;
case 2: *ppLed = &pThis->aCts[1].aIfs[0].Led; break;
case 3: *ppLed = &pThis->aCts[1].aIfs[1].Led; break;
}
Assert((*ppLed)->u32Magic == PDMLED_MAGIC);
return VINF_SUCCESS;
}
return VERR_PDM_LUN_NOT_FOUND;
}
/* -=-=-=-=-=- ATADevState::IBase -=-=-=-=-=- */
/**
* @interface_method_impl{PDMIBASE,pfnQueryInterface}
*/
static DECLCALLBACK(void *) ataQueryInterface(PPDMIBASE pInterface, const char *pszIID)
{
ATADevState *pIf = PDMIBASE_2_ATASTATE(pInterface);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pIf->IBase);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBLOCKPORT, &pIf->IPort);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUNTNOTIFY, &pIf->IMountNotify);
return NULL;
}
#endif /* IN_RING3 */
/* -=-=-=-=-=- Wrappers -=-=-=-=-=- */
/**
* Port I/O Handler for primary port range OUT operations.
* @see FNIOMIOPORTOUT for details.
*/
PDMBOTHCBDECL(int) ataIOPortWrite1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc = VINF_SUCCESS;
Assert(i < 2);
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_WRITE);
if (rc != VINF_SUCCESS)
return rc;
if (cb == 1)
rc = ataIOPortWriteU8(pCtl, Port, u32);
else if (Port == pCtl->IOPortBase1)
{
Assert(cb == 2 || cb == 4);
rc = ataDataWrite(pCtl, Port, cb, (const uint8_t *)&u32);
}
else
AssertMsgFailed(("ataIOPortWrite1: unsupported write to port %x val=%x size=%d\n", Port, u32, cb));
PDMCritSectLeave(&pCtl->lock);
return rc;
}
/**
* Port I/O Handler for primary port range IN operations.
* @see FNIOMIOPORTIN for details.
*/
PDMBOTHCBDECL(int) ataIOPortRead1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc = VINF_SUCCESS;
Assert(i < 2);
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_READ);
if (rc != VINF_SUCCESS)
return rc;
if (cb == 1)
{
rc = ataIOPortReadU8(pCtl, Port, pu32);
}
else if (Port == pCtl->IOPortBase1)
{
Assert(cb == 2 || cb == 4);
rc = ataDataRead(pCtl, Port, cb, (uint8_t *)pu32);
if (cb == 2)
*pu32 &= 0xffff;
}
else
{
AssertMsgFailed(("ataIOPortRead1: unsupported read from port %x size=%d\n", Port, cb));
rc = VERR_IOM_IOPORT_UNUSED;
}
PDMCritSectLeave(&pCtl->lock);
return rc;
}
#ifndef IN_RING0 /** @todo do this in ring-0 as well. */
/**
* Port I/O Handler for primary port range IN string operations.
* @see FNIOMIOPORTINSTRING for details.
*/
PDMBOTHCBDECL(int) ataIOPortReadStr1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, RTGCPTR *pGCPtrDst, PRTGCUINTREG pcTransfer, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc = VINF_SUCCESS;
Assert(i < 2);
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_READ);
if (rc != VINF_SUCCESS)
return rc;
if (Port == pCtl->IOPortBase1)
{
uint32_t cTransAvailable, cTransfer = *pcTransfer, cbTransfer;
RTGCPTR GCDst = *pGCPtrDst;
ATADevState *s = &pCtl->aIfs[pCtl->iSelectedIf];
Assert(cb == 2 || cb == 4);
cTransAvailable = (s->iIOBufferPIODataEnd - s->iIOBufferPIODataStart) / cb;
#ifndef IN_RING3
/* Deal with the unlikely case where no data (or not enough for the read length operation) is available; go back to ring 3. */
if (!cTransAvailable)
{
PDMCritSectLeave(&pCtl->lock);
return VINF_IOM_HC_IOPORT_READ;
}
/* The last transfer unit cannot be handled in GC, as it involves thread communication. */
cTransAvailable--;
#endif /* !IN_RING3 */
/* Do not handle the dummy transfer stuff here, leave it to the single-word transfers.
* They are not performance-critical and generally shouldn't occur at all. */
if (cTransAvailable > cTransfer)
cTransAvailable = cTransfer;
cbTransfer = cTransAvailable * cb;
rc = PGMPhysSimpleDirtyWriteGCPtr(PDMDevHlpGetVMCPU(pDevIns), GCDst, s->CTX_SUFF(pbIOBuffer) + s->iIOBufferPIODataStart, cbTransfer);
Assert(rc == VINF_SUCCESS);
if (cbTransfer)
Log3(("%s: addr=%#x val=%.*Rhxs\n", __FUNCTION__, Port, cbTransfer, s->CTX_SUFF(pbIOBuffer) + s->iIOBufferPIODataStart));
s->iIOBufferPIODataStart += cbTransfer;
*pGCPtrDst = (RTGCPTR)((RTGCUINTPTR)GCDst + cbTransfer);
*pcTransfer = cTransfer - cTransAvailable;
#ifdef IN_RING3
if (s->iIOBufferPIODataStart >= s->iIOBufferPIODataEnd)
ataPIOTransferFinish(pCtl, s);
#endif /* IN_RING3 */
}
PDMCritSectLeave(&pCtl->lock);
return rc;
}
/**
* Port I/O Handler for primary port range OUT string operations.
* @see FNIOMIOPORTOUTSTRING for details.
*/
PDMBOTHCBDECL(int) ataIOPortWriteStr1(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, RTGCPTR *pGCPtrSrc, PRTGCUINTREG pcTransfer, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc;
Assert(i < 2);
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_WRITE);
if (rc != VINF_SUCCESS)
return rc;
if (Port == pCtl->IOPortBase1)
{
uint32_t cTransAvailable, cTransfer = *pcTransfer, cbTransfer;
RTGCPTR GCSrc = *pGCPtrSrc;
ATADevState *s = &pCtl->aIfs[pCtl->iSelectedIf];
Assert(cb == 2 || cb == 4);
cTransAvailable = (s->iIOBufferPIODataEnd - s->iIOBufferPIODataStart) / cb;
#ifndef IN_RING3
/* Deal with the unlikely case where no data (or not enough for the read length operation) is available; go back to ring 3. */
if (!cTransAvailable)
{
PDMCritSectLeave(&pCtl->lock);
return VINF_IOM_HC_IOPORT_WRITE;
}
/* The last transfer unit cannot be handled in GC, as it involves thread communication. */
cTransAvailable--;
#endif /* !IN_RING3 */
/* Do not handle the dummy transfer stuff here, leave it to the single-word transfers.
* They are not performance-critical and generally shouldn't occur at all. */
if (cTransAvailable > cTransfer)
cTransAvailable = cTransfer;
cbTransfer = cTransAvailable * cb;
rc = PGMPhysSimpleReadGCPtr(PDMDevHlpGetVMCPU(pDevIns), s->CTX_SUFF(pbIOBuffer) + s->iIOBufferPIODataStart, GCSrc, cbTransfer);
Assert(rc == VINF_SUCCESS);
if (cbTransfer)
Log3(("%s: addr=%#x val=%.*Rhxs\n", __FUNCTION__, Port, cbTransfer, s->CTX_SUFF(pbIOBuffer) + s->iIOBufferPIODataStart));
s->iIOBufferPIODataStart += cbTransfer;
*pGCPtrSrc = (RTGCPTR)((RTGCUINTPTR)GCSrc + cbTransfer);
*pcTransfer = cTransfer - cTransAvailable;
#ifdef IN_RING3
if (s->iIOBufferPIODataStart >= s->iIOBufferPIODataEnd)
ataPIOTransferFinish(pCtl, s);
#endif /* IN_RING3 */
}
PDMCritSectLeave(&pCtl->lock);
return rc;
}
#endif /* !IN_RING0 */
/**
* Port I/O Handler for secondary port range OUT operations.
* @see FNIOMIOPORTOUT for details.
*/
PDMBOTHCBDECL(int) ataIOPortWrite2(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc;
Assert(i < 2);
if (cb != 1)
return VINF_SUCCESS;
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_WRITE);
if (rc != VINF_SUCCESS)
return rc;
rc = ataControlWrite(pCtl, Port, u32);
PDMCritSectLeave(&pCtl->lock);
return rc;
}
/**
* Port I/O Handler for secondary port range IN operations.
* @see FNIOMIOPORTIN for details.
*/
PDMBOTHCBDECL(int) ataIOPortRead2(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb)
{
uint32_t i = (uint32_t)(uintptr_t)pvUser;
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl = &pThis->aCts[i];
int rc;
Assert(i < 2);
if (cb != 1)
return VERR_IOM_IOPORT_UNUSED;
rc = PDMCritSectEnter(&pCtl->lock, VINF_IOM_HC_IOPORT_READ);
if (rc != VINF_SUCCESS)
return rc;
*pu32 = ataStatusRead(pCtl, Port);
PDMCritSectLeave(&pCtl->lock);
return VINF_SUCCESS;
}
#ifdef IN_RING3
DECLINLINE(void) ataRelocBuffer(PPDMDEVINS pDevIns, ATADevState *s)
{
if (s->pbIOBufferR3)
s->pbIOBufferRC = MMHyperR3ToRC(PDMDevHlpGetVM(pDevIns), s->pbIOBufferR3);
}
/**
* @copydoc FNPDMDEVRELOCATE
*/
static DECLCALLBACK(void) ataR3Relocate(PPDMDEVINS pDevIns, RTGCINTPTR offDelta)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
pThis->aCts[i].pDevInsRC += offDelta;
pThis->aCts[i].aIfs[0].pDevInsRC += offDelta;
pThis->aCts[i].aIfs[0].pControllerRC += offDelta;
ataRelocBuffer(pDevIns, &pThis->aCts[i].aIfs[0]);
pThis->aCts[i].aIfs[1].pDevInsRC += offDelta;
pThis->aCts[i].aIfs[1].pControllerRC += offDelta;
ataRelocBuffer(pDevIns, &pThis->aCts[i].aIfs[1]);
}
}
/**
* Destroy a driver instance.
*
* Most VM resources are freed by the VM. This callback is provided so that any non-VM
* resources can be freed correctly.
*
* @param pDevIns The device instance data.
*/
static DECLCALLBACK(int) ataR3Destruct(PPDMDEVINS pDevIns)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
int rc;
Log(("ataR3Destruct\n"));
/*
* Tell the async I/O threads to terminate.
*/
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
if (pThis->aCts[i].AsyncIOThread != NIL_RTTHREAD)
{
ASMAtomicWriteU32(&pThis->aCts[i].fShutdown, true);
rc = RTSemEventSignal(pThis->aCts[i].AsyncIOSem);
AssertRC(rc);
}
}
/*
* Wait for the threads to terminate before destroying their resources.
*/
for (unsigned i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
if (pThis->aCts[i].AsyncIOThread != NIL_RTTHREAD)
{
rc = RTThreadWait(pThis->aCts[i].AsyncIOThread, 30000 /* 30 s*/, NULL);
if (RT_SUCCESS(rc))
pThis->aCts[i].AsyncIOThread = NIL_RTTHREAD;
else
LogRel(("PIIX3 ATA Dtor: Ctl#%u is still executing, DevSel=%d AIOIf=%d CmdIf0=%#04x CmdIf1=%#04x rc=%Rrc\n",
i, pThis->aCts[i].iSelectedIf, pThis->aCts[i].iAIOIf,
pThis->aCts[i].aIfs[0].uATARegCommand, pThis->aCts[i].aIfs[1].uATARegCommand, rc));
}
}
/*
* Free resources.
*/
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
if (pThis->aCts[i].AsyncIORequestMutex != NIL_RTSEMMUTEX)
{
RTSemMutexDestroy(pThis->aCts[i].AsyncIORequestMutex);
pThis->aCts[i].AsyncIORequestMutex = NIL_RTSEMMUTEX;
}
if (pThis->aCts[i].AsyncIOSem != NIL_RTSEMEVENT)
{
RTSemEventDestroy(pThis->aCts[i].AsyncIOSem);
pThis->aCts[i].AsyncIOSem = NIL_RTSEMEVENT;
}
if (pThis->aCts[i].SuspendIOSem != NIL_RTSEMEVENT)
{
RTSemEventDestroy(pThis->aCts[i].SuspendIOSem);
pThis->aCts[i].SuspendIOSem = NIL_RTSEMEVENT;
}
/* try one final time */
if (pThis->aCts[i].AsyncIOThread != NIL_RTTHREAD)
{
rc = RTThreadWait(pThis->aCts[i].AsyncIOThread, 1 /*ms*/, NULL);
if (RT_SUCCESS(rc))
{
pThis->aCts[i].AsyncIOThread = NIL_RTTHREAD;
LogRel(("PIIX3 ATA Dtor: Ctl#%u actually completed.\n", i));
}
}
}
return VINF_SUCCESS;
}
/**
* Detach notification.
*
* The DVD drive has been unplugged.
*
* @param pDevIns The device instance.
* @param iLUN The logical unit which is being detached.
* @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines.
*/
static DECLCALLBACK(void) ataR3Detach(PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl;
ATADevState *pIf;
unsigned iController;
unsigned iInterface;
AssertMsg(fFlags & PDM_TACH_FLAGS_NOT_HOT_PLUG,
("PIIX3IDE: Device does not support hotplugging\n"));
/*
* Locate the controller and stuff.
*/
iController = iLUN / RT_ELEMENTS(pThis->aCts[0].aIfs);
AssertReleaseMsg(iController < RT_ELEMENTS(pThis->aCts), ("iController=%d iLUN=%d\n", iController, iLUN));
pCtl = &pThis->aCts[iController];
iInterface = iLUN % RT_ELEMENTS(pThis->aCts[0].aIfs);
pIf = &pCtl->aIfs[iInterface];
/*
* Zero some important members.
*/
pIf->pDrvBase = NULL;
pIf->pDrvBlock = NULL;
pIf->pDrvBlockBios = NULL;
pIf->pDrvMount = NULL;
/*
* In case there was a medium inserted.
*/
ataMediumRemoved(pIf);
}
/**
* Configure a LUN.
*
* @returns VBox status code.
* @param pDevIns The device instance.
* @param pIf The ATA unit state.
*/
static int ataConfigLun(PPDMDEVINS pDevIns, ATADevState *pIf)
{
int rc = VINF_SUCCESS;
PDMBLOCKTYPE enmType;
/*
* Query Block, Bios and Mount interfaces.
*/
pIf->pDrvBlock = PDMIBASE_QUERY_INTERFACE(pIf->pDrvBase, PDMIBLOCK);
if (!pIf->pDrvBlock)
{
AssertMsgFailed(("Configuration error: LUN#%d hasn't a block interface!\n", pIf->iLUN));
return VERR_PDM_MISSING_INTERFACE;
}
/** @todo implement the BIOS invisible code path. */
pIf->pDrvBlockBios = PDMIBASE_QUERY_INTERFACE(pIf->pDrvBase, PDMIBLOCKBIOS);
if (!pIf->pDrvBlockBios)
{
AssertMsgFailed(("Configuration error: LUN#%d hasn't a block BIOS interface!\n", pIf->iLUN));
return VERR_PDM_MISSING_INTERFACE;
}
pIf->pDrvMount = PDMIBASE_QUERY_INTERFACE(pIf->pDrvBase, PDMIMOUNT);
/*
* Validate type.
*/
enmType = pIf->pDrvBlock->pfnGetType(pIf->pDrvBlock);
if ( enmType != PDMBLOCKTYPE_CDROM
&& enmType != PDMBLOCKTYPE_DVD
&& enmType != PDMBLOCKTYPE_HARD_DISK)
{
AssertMsgFailed(("Configuration error: LUN#%d isn't a disk or cd/dvd-rom. enmType=%d\n", pIf->iLUN, enmType));
return VERR_PDM_UNSUPPORTED_BLOCK_TYPE;
}
if ( ( enmType == PDMBLOCKTYPE_DVD
|| enmType == PDMBLOCKTYPE_CDROM)
&& !pIf->pDrvMount)
{
AssertMsgFailed(("Internal error: cdrom without a mountable interface, WTF???!\n"));
return VERR_INTERNAL_ERROR;
}
pIf->fATAPI = enmType == PDMBLOCKTYPE_DVD || enmType == PDMBLOCKTYPE_CDROM;
pIf->fATAPIPassthrough = pIf->fATAPI ? (pIf->pDrvBlock->pfnSendCmd != NULL) : false;
/*
* Allocate I/O buffer.
*/
PVM pVM = PDMDevHlpGetVM(pDevIns);
if (pIf->cbIOBuffer)
{
/* Buffer is (probably) already allocated. Validate the fields,
* because memory corruption can also overwrite pIf->cbIOBuffer. */
if (pIf->fATAPI)
AssertRelease(pIf->cbIOBuffer == _128K);
else
AssertRelease(pIf->cbIOBuffer == ATA_MAX_MULT_SECTORS * 512);
Assert(pIf->pbIOBufferR3);
Assert(pIf->pbIOBufferR0 == MMHyperR3ToR0(pVM, pIf->pbIOBufferR3));
Assert(pIf->pbIOBufferRC == MMHyperR3ToRC(pVM, pIf->pbIOBufferR3));
}
else
{
if (pIf->fATAPI)
pIf->cbIOBuffer = _128K;
else
pIf->cbIOBuffer = ATA_MAX_MULT_SECTORS * 512;
Assert(!pIf->pbIOBufferR3);
rc = MMR3HyperAllocOnceNoRel(pVM, pIf->cbIOBuffer, 0, MM_TAG_PDM_DEVICE_USER, (void **)&pIf->pbIOBufferR3);
if (RT_FAILURE(rc))
return VERR_NO_MEMORY;
pIf->pbIOBufferR0 = MMHyperR3ToR0(pVM, pIf->pbIOBufferR3);
pIf->pbIOBufferRC = MMHyperR3ToRC(pVM, pIf->pbIOBufferR3);
}
/*
* Init geometry (only for non-CD/DVD media).
*/
if (pIf->fATAPI)
{
pIf->cTotalSectors = pIf->pDrvBlock->pfnGetSize(pIf->pDrvBlock) / 2048;
pIf->PCHSGeometry.cCylinders = 0; /* dummy */
pIf->PCHSGeometry.cHeads = 0; /* dummy */
pIf->PCHSGeometry.cSectors = 0; /* dummy */
LogRel(("PIIX3 ATA: LUN#%d: CD/DVD, total number of sectors %Ld, passthrough %s\n", pIf->iLUN, pIf->cTotalSectors, (pIf->fATAPIPassthrough ? "enabled" : "disabled")));
}
else
{
pIf->cTotalSectors = pIf->pDrvBlock->pfnGetSize(pIf->pDrvBlock) / 512;
rc = pIf->pDrvBlockBios->pfnGetPCHSGeometry(pIf->pDrvBlockBios,
&pIf->PCHSGeometry);
if (rc == VERR_PDM_MEDIA_NOT_MOUNTED)
{
pIf->PCHSGeometry.cCylinders = 0;
pIf->PCHSGeometry.cHeads = 16; /*??*/
pIf->PCHSGeometry.cSectors = 63; /*??*/
}
else if (rc == VERR_PDM_GEOMETRY_NOT_SET)
{
pIf->PCHSGeometry.cCylinders = 0; /* autodetect marker */
rc = VINF_SUCCESS;
}
AssertRC(rc);
if ( pIf->PCHSGeometry.cCylinders == 0
|| pIf->PCHSGeometry.cHeads == 0
|| pIf->PCHSGeometry.cSectors == 0
)
{
uint64_t cCylinders = pIf->cTotalSectors / (16 * 63);
pIf->PCHSGeometry.cCylinders = RT_MAX(RT_MIN(cCylinders, 16383), 1);
pIf->PCHSGeometry.cHeads = 16;
pIf->PCHSGeometry.cSectors = 63;
/* Set the disk geometry information. Ignore errors. */
pIf->pDrvBlockBios->pfnSetPCHSGeometry(pIf->pDrvBlockBios,
&pIf->PCHSGeometry);
rc = VINF_SUCCESS;
}
LogRel(("PIIX3 ATA: LUN#%d: disk, PCHS=%u/%u/%u, total number of sectors %Ld\n", pIf->iLUN, pIf->PCHSGeometry.cCylinders, pIf->PCHSGeometry.cHeads, pIf->PCHSGeometry.cSectors, pIf->cTotalSectors));
}
return rc;
}
/**
* Attach command.
*
* This is called when we change block driver for the DVD drive.
*
* @returns VBox status code.
* @param pDevIns The device instance.
* @param iLUN The logical unit which is being detached.
* @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines.
*/
static DECLCALLBACK(int) ataR3Attach(PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PATACONTROLLER pCtl;
ATADevState *pIf;
int rc;
unsigned iController;
unsigned iInterface;
AssertMsgReturn(fFlags & PDM_TACH_FLAGS_NOT_HOT_PLUG,
("PIIX3IDE: Device does not support hotplugging\n"),
VERR_INVALID_PARAMETER);
/*
* Locate the controller and stuff.
*/
iController = iLUN / RT_ELEMENTS(pThis->aCts[0].aIfs);
AssertReleaseMsg(iController < RT_ELEMENTS(pThis->aCts), ("iController=%d iLUN=%d\n", iController, iLUN));
pCtl = &pThis->aCts[iController];
iInterface = iLUN % RT_ELEMENTS(pThis->aCts[0].aIfs);
pIf = &pCtl->aIfs[iInterface];
/* the usual paranoia */
AssertRelease(!pIf->pDrvBase);
AssertRelease(!pIf->pDrvBlock);
Assert(ATADEVSTATE_2_CONTROLLER(pIf) == pCtl);
Assert(pIf->iLUN == iLUN);
/*
* Try attach the block device and get the interfaces,
* required as well as optional.
*/
rc = PDMDevHlpDriverAttach(pDevIns, pIf->iLUN, &pIf->IBase, &pIf->pDrvBase, NULL);
if (RT_SUCCESS(rc))
{
rc = ataConfigLun(pDevIns, pIf);
/*
* In case there is a medium inserted.
*/
ataMediumInserted(pIf);
}
else
AssertMsgFailed(("Failed to attach LUN#%d. rc=%Rrc\n", pIf->iLUN, rc));
if (RT_FAILURE(rc))
{
pIf->pDrvBase = NULL;
pIf->pDrvBlock = NULL;
}
return rc;
}
/**
* Resume notification.
*
* @returns VBox status.
* @param pDevIns The device instance data.
*/
static DECLCALLBACK(void) ataR3Resume(PPDMDEVINS pDevIns)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
int rc;
Log(("%s:\n", __FUNCTION__));
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
if (pThis->aCts[i].fRedo && pThis->aCts[i].fRedoIdle)
{
rc = RTSemEventSignal(pThis->aCts[i].SuspendIOSem);
AssertRC(rc);
}
}
return;
}
/**
* Checks if all (both) the async I/O threads have quiesced.
*
* @returns true on success.
* @returns false when one or more threads is still processing.
* @param pThis Pointer to the instance data.
*/
static bool ataR3AllAsyncIOIsIdle(PPDMDEVINS pDevIns)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
if (pThis->aCts[i].AsyncIOThread != NIL_RTTHREAD)
{
bool fRc = ataAsyncIOIsIdle(&pThis->aCts[i], false /*fStrict*/);
if (!fRc)
{
/* Make it signal PDM & itself when its done */
RTSemMutexRequest(pThis->aCts[i].AsyncIORequestMutex, RT_INDEFINITE_WAIT);
ASMAtomicWriteBool(&pThis->aCts[i].fSignalIdle, true);
RTSemMutexRelease(pThis->aCts[i].AsyncIORequestMutex);
fRc = ataAsyncIOIsIdle(&pThis->aCts[i], false /*fStrict*/);
if (!fRc)
{
#if 0 /** @todo Need to do some time tracking here... */
LogRel(("PIIX3 ATA: Ctl#%u is still executing, DevSel=%d AIOIf=%d CmdIf0=%#04x CmdIf1=%#04x\n",
i, pThis->aCts[i].iSelectedIf, pThis->aCts[i].iAIOIf,
pThis->aCts[i].aIfs[0].uATARegCommand, pThis->aCts[i].aIfs[1].uATARegCommand));
#endif
return false;
}
}
ASMAtomicWriteBool(&pThis->aCts[i].fSignalIdle, false);
}
return true;
}
/**
* Callback employed by ataSuspend and ataR3PowerOff.
*
* @returns true if we've quiesced, false if we're still working.
* @param pDevIns The device instance.
*/
static DECLCALLBACK(bool) ataR3IsAsyncSuspendOrPowerOffDone(PPDMDEVINS pDevIns)
{
return ataR3AllAsyncIOIsIdle(pDevIns);
}
/**
* Common worker for ataSuspend and ataR3PowerOff.
*/
static void ataR3SuspendOrPowerOff(PPDMDEVINS pDevIns)
{
if (!ataR3AllAsyncIOIsIdle(pDevIns))
PDMDevHlpSetAsyncNotification(pDevIns, ataR3IsAsyncSuspendOrPowerOffDone);
}
/**
* Power Off notification.
*
* @returns VBox status.
* @param pDevIns The device instance data.
*/
static DECLCALLBACK(void) ataR3PowerOff(PPDMDEVINS pDevIns)
{
Log(("%s:\n", __FUNCTION__));
ataR3SuspendOrPowerOff(pDevIns);
}
/**
* Suspend notification.
*
* @returns VBox status.
* @param pDevIns The device instance data.
*/
static DECLCALLBACK(void) ataR3Suspend(PPDMDEVINS pDevIns)
{
Log(("%s:\n", __FUNCTION__));
ataR3SuspendOrPowerOff(pDevIns);
}
/**
* Callback employed by ataR3Reset.
*
* @returns true if we've quiesced, false if we're still working.
* @param pDevIns The device instance.
*/
static DECLCALLBACK(bool) ataR3IsAsyncResetDone(PPDMDEVINS pDevIns)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
if (!ataR3AllAsyncIOIsIdle(pDevIns))
return false;
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
PDMCritSectEnter(&pThis->aCts[i].lock, VERR_INTERNAL_ERROR);
for (uint32_t j = 0; j < RT_ELEMENTS(pThis->aCts[i].aIfs); j++)
ataResetDevice(&pThis->aCts[i].aIfs[j]);
PDMCritSectLeave(&pThis->aCts[i].lock);
}
return true;
}
/**
* Common reset worker for ataR3Reset and ataR3Construct.
*
* @returns VBox status.
* @param pDevIns The device instance data.
* @param fConstruct Indicates who is calling.
*/
static int ataR3ResetCommon(PPDMDEVINS pDevIns, bool fConstruct)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
PDMCritSectEnter(&pThis->aCts[i].lock, VERR_INTERNAL_ERROR);
pThis->aCts[i].iSelectedIf = 0;
pThis->aCts[i].iAIOIf = 0;
pThis->aCts[i].BmDma.u8Cmd = 0;
/* Report that both drives present on the bus are in DMA mode. This
* pretends that there is a BIOS that has set it up. Normal reset
* default is 0x00. */
pThis->aCts[i].BmDma.u8Status = (pThis->aCts[i].aIfs[0].pDrvBase != NULL ? BM_STATUS_D0DMA : 0)
| (pThis->aCts[i].aIfs[1].pDrvBase != NULL ? BM_STATUS_D1DMA : 0);
pThis->aCts[i].BmDma.pvAddr = 0;
pThis->aCts[i].fReset = true;
pThis->aCts[i].fRedo = false;
pThis->aCts[i].fRedoIdle = false;
ataAsyncIOClearRequests(&pThis->aCts[i]);
Log2(("%s: Ctl#%d: message to async I/O thread, reset controller\n", __FUNCTION__, i));
ataAsyncIOPutRequest(&pThis->aCts[i], &g_ataResetARequest);
ataAsyncIOPutRequest(&pThis->aCts[i], &g_ataResetCRequest);
PDMCritSectLeave(&pThis->aCts[i].lock);
}
int rcRet = VINF_SUCCESS;
if (!fConstruct)
{
/*
* Setup asynchronous notification compmletion if the requests haven't
* completed yet.
*/
if (!ataR3IsAsyncResetDone(pDevIns))
PDMDevHlpSetAsyncNotification(pDevIns, ataR3IsAsyncResetDone);
}
else
{
/*
* Wait for the requests for complete.
*
* Would be real nice if we could do it all from EMT(0) and not
* involve the worker threads, then we could dispense with all the
* waiting and semaphore ping-pong here...
*/
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
if (pThis->aCts[i].AsyncIOThread != NIL_RTTHREAD)
{
int rc = RTSemMutexRequest(pThis->aCts[i].AsyncIORequestMutex, RT_INDEFINITE_WAIT);
AssertRC(rc);
ASMAtomicWriteBool(&pThis->aCts[i].fSignalIdle, true);
rc = RTThreadUserReset(pThis->aCts[i].AsyncIOThread);
AssertRC(rc);
rc = RTSemMutexRelease(pThis->aCts[i].AsyncIORequestMutex);
AssertRC(rc);
if (!ataAsyncIOIsIdle(&pThis->aCts[i], false /*fStrict*/))
{
rc = RTThreadUserWait(pThis->aCts[i].AsyncIOThread, 30*1000 /*ms*/);
if (RT_FAILURE(rc))
rc = RTThreadUserWait(pThis->aCts[i].AsyncIOThread, 1000 /*ms*/);
if (RT_FAILURE(rc))
{
AssertRC(rc);
rcRet = rc;
}
}
}
ASMAtomicWriteBool(&pThis->aCts[i].fSignalIdle, false);
}
if (RT_SUCCESS(rcRet))
{
rcRet = ataR3IsAsyncResetDone(pDevIns) ? VINF_SUCCESS : VERR_INTERNAL_ERROR;
AssertRC(rcRet);
}
}
return rcRet;
}
/**
* Reset notification.
*
* @param pDevIns The device instance data.
*/
static DECLCALLBACK(void) ataR3Reset(PPDMDEVINS pDevIns)
{
ataR3ResetCommon(pDevIns, false /*fConstruct*/);
}
/**
* Prepare state save and load operation.
*
* @returns VBox status code.
* @param pDevIns Device instance of the device which registered the data unit.
* @param pSSM SSM operation handle.
*/
static DECLCALLBACK(int) ataSaveLoadPrep(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
/* sanity - the suspend notification will wait on the async stuff. */
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
AssertLogRelMsgReturn(ataAsyncIOIsIdle(&pThis->aCts[i], false /*fStrict*/),
("i=%u\n", i),
VERR_SSM_IDE_ASYNC_TIMEOUT);
return VINF_SUCCESS;
}
/**
* @copydoc FNSSMDEVLIVEEXEC
*/
static DECLCALLBACK(int) ataLiveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uPass)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
SSMR3PutU8(pSSM, pThis->u8Type);
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
SSMR3PutBool(pSSM, true); /* For controller enabled / disabled. */
for (uint32_t j = 0; j < RT_ELEMENTS(pThis->aCts[i].aIfs); j++)
{
SSMR3PutBool(pSSM, pThis->aCts[i].aIfs[j].pDrvBase != NULL);
SSMR3PutStrZ(pSSM, pThis->aCts[i].aIfs[j].szSerialNumber);
SSMR3PutStrZ(pSSM, pThis->aCts[i].aIfs[j].szFirmwareRevision);
SSMR3PutStrZ(pSSM, pThis->aCts[i].aIfs[j].szModelNumber);
}
}
return VINF_SSM_DONT_CALL_AGAIN;
}
/**
* @copydoc FNSSMDEVSAVEEXEC
*/
static DECLCALLBACK(int) ataSaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
ataLiveExec(pDevIns, pSSM, SSM_PASS_FINAL);
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
SSMR3PutU8(pSSM, pThis->aCts[i].iSelectedIf);
SSMR3PutU8(pSSM, pThis->aCts[i].iAIOIf);
SSMR3PutU8(pSSM, pThis->aCts[i].uAsyncIOState);
SSMR3PutBool(pSSM, pThis->aCts[i].fChainedTransfer);
SSMR3PutBool(pSSM, pThis->aCts[i].fReset);
SSMR3PutBool(pSSM, pThis->aCts[i].fRedo);
SSMR3PutBool(pSSM, pThis->aCts[i].fRedoIdle);
SSMR3PutBool(pSSM, pThis->aCts[i].fRedoDMALastDesc);
SSMR3PutMem(pSSM, &pThis->aCts[i].BmDma, sizeof(pThis->aCts[i].BmDma));
SSMR3PutGCPhys32(pSSM, pThis->aCts[i].pFirstDMADesc);
SSMR3PutGCPhys32(pSSM, pThis->aCts[i].pLastDMADesc);
SSMR3PutGCPhys32(pSSM, pThis->aCts[i].pRedoDMABuffer);
SSMR3PutU32(pSSM, pThis->aCts[i].cbRedoDMABuffer);
for (uint32_t j = 0; j < RT_ELEMENTS(pThis->aCts[i].aIfs); j++)
{
SSMR3PutBool(pSSM, pThis->aCts[i].aIfs[j].fLBA48);
SSMR3PutBool(pSSM, pThis->aCts[i].aIfs[j].fATAPI);
SSMR3PutBool(pSSM, pThis->aCts[i].aIfs[j].fIrqPending);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].cMultSectors);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].PCHSGeometry.cCylinders);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].PCHSGeometry.cHeads);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].PCHSGeometry.cSectors);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].cSectorsPerIRQ);
SSMR3PutU64(pSSM, pThis->aCts[i].aIfs[j].cTotalSectors);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegFeature);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegFeatureHOB);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegError);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegNSector);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegNSectorHOB);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegSector);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegSectorHOB);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegLCyl);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegLCylHOB);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegHCyl);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegHCylHOB);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegSelect);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegStatus);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegCommand);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATARegDevCtl);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uATATransferMode);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].uTxDir);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].iBeginTransfer);
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].iSourceSink);
SSMR3PutBool(pSSM, pThis->aCts[i].aIfs[j].fDMA);
SSMR3PutBool(pSSM, pThis->aCts[i].aIfs[j].fATAPITransfer);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].cbTotalTransfer);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].cbElementaryTransfer);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].iIOBufferCur);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].iIOBufferEnd);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].iIOBufferPIODataStart);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].iIOBufferPIODataEnd);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].iATAPILBA);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].cbATAPISector);
SSMR3PutMem(pSSM, &pThis->aCts[i].aIfs[j].aATAPICmd, sizeof(pThis->aCts[i].aIfs[j].aATAPICmd));
SSMR3PutMem(pSSM, &pThis->aCts[i].aIfs[j].abATAPISense, sizeof(pThis->aCts[i].aIfs[j].abATAPISense));
SSMR3PutU8(pSSM, pThis->aCts[i].aIfs[j].cNotifiedMediaChange);
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].MediaEventStatus);
SSMR3PutMem(pSSM, &pThis->aCts[i].aIfs[j].Led, sizeof(pThis->aCts[i].aIfs[j].Led));
SSMR3PutU32(pSSM, pThis->aCts[i].aIfs[j].cbIOBuffer);
if (pThis->aCts[i].aIfs[j].cbIOBuffer)
SSMR3PutMem(pSSM, pThis->aCts[i].aIfs[j].CTX_SUFF(pbIOBuffer), pThis->aCts[i].aIfs[j].cbIOBuffer);
else
Assert(pThis->aCts[i].aIfs[j].CTX_SUFF(pbIOBuffer) == NULL);
}
}
return SSMR3PutU32(pSSM, ~0); /* sanity/terminator */
}
/**
* Converts the LUN number into a message string.
*/
static const char *ataStringifyLun(unsigned iLun)
{
switch (iLun)
{
case 0: return "primary master";
case 1: return "primary slave";
case 2: return "secondary master";
case 3: return "secondary slave";
default: AssertFailedReturn("unknown lun");
}
}
/**
* FNSSMDEVLOADEXEC
*/
static DECLCALLBACK(int) ataLoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
int rc;
uint32_t u32;
if ( uVersion != ATA_SAVED_STATE_VERSION
&& uVersion != ATA_SAVED_STATE_VERSION_VBOX_30
&& uVersion != ATA_SAVED_STATE_VERSION_WITHOUT_FULL_SENSE
&& uVersion != ATA_SAVED_STATE_VERSION_WITHOUT_EVENT_STATUS
&& uVersion != ATA_SAVED_STATE_VERSION_WITH_BOOL_TYPE)
{
AssertMsgFailed(("uVersion=%d\n", uVersion));
return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
}
/*
* Verify the configuration.
*/
if (uVersion > ATA_SAVED_STATE_VERSION_VBOX_30)
{
uint8_t u8Type;
rc = SSMR3GetU8(pSSM, &u8Type);
AssertRCReturn(rc, rc);
if (u8Type != pThis->u8Type)
return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch: u8Type - saved=%u config=%u"), u8Type, pThis->u8Type);
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
bool fEnabled;
rc = SSMR3GetBool(pSSM, &fEnabled);
AssertRCReturn(rc, rc);
if (!fEnabled)
return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Ctr#%u onfig mismatch: fEnabled != true"), i);
for (uint32_t j = 0; j < RT_ELEMENTS(pThis->aCts[i].aIfs); j++)
{
ATADevState const *pIf = &pThis->aCts[i].aIfs[j];
bool fInUse;
rc = SSMR3GetBool(pSSM, &fInUse);
AssertRCReturn(rc, rc);
if (fInUse != (pIf->pDrvBase != NULL))
return SSMR3SetCfgError(pSSM, RT_SRC_POS,
N_("The %s VM is missing a %s device. Please make sure the source and target VMs have compatible storage configurations"),
fInUse ? "target" : "source", ataStringifyLun(pIf->iLUN) );
char szSerialNumber[ATA_SERIAL_NUMBER_LENGTH+1];
rc = SSMR3GetStrZ(pSSM, szSerialNumber, sizeof(szSerialNumber));
AssertRCReturn(rc, rc);
if (strcmp(szSerialNumber, pIf->szSerialNumber))
LogRel(("PIIX3 ATA: LUN#%u config mismatch: Serial number - saved='%s' config='%s'\n",
pIf->iLUN, szSerialNumber, pIf->szSerialNumber));
char szFirmwareRevision[ATA_FIRMWARE_REVISION_LENGTH+1];
rc = SSMR3GetStrZ(pSSM, szFirmwareRevision, sizeof(szFirmwareRevision));
AssertRCReturn(rc, rc);
if (strcmp(szFirmwareRevision, pIf->szFirmwareRevision))
LogRel(("PIIX3 ATA: LUN#%u config mismatch: Firmware revision - saved='%s' config='%s'\n",
pIf->iLUN, szFirmwareRevision, pIf->szFirmwareRevision));
char szModelNumber[ATA_MODEL_NUMBER_LENGTH+1];
rc = SSMR3GetStrZ(pSSM, szModelNumber, sizeof(szModelNumber));
AssertRCReturn(rc, rc);
if (strcmp(szModelNumber, pIf->szModelNumber))
LogRel(("PIIX3 ATA: LUN#%u config mismatch: Model number - saved='%s' config='%s'\n",
pIf->iLUN, szModelNumber, pIf->szModelNumber));
}
}
}
if (uPass != SSM_PASS_FINAL)
return VINF_SUCCESS;
/*
* Restore valid parts of the PCIATAState structure
*/
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
/* integrity check */
if (!ataAsyncIOIsIdle(&pThis->aCts[i], false))
{
AssertMsgFailed(("Async I/O for controller %d is active\n", i));
return VERR_INTERNAL_ERROR_4;
}
SSMR3GetU8(pSSM, &pThis->aCts[i].iSelectedIf);
SSMR3GetU8(pSSM, &pThis->aCts[i].iAIOIf);
SSMR3GetU8(pSSM, &pThis->aCts[i].uAsyncIOState);
SSMR3GetBool(pSSM, &pThis->aCts[i].fChainedTransfer);
SSMR3GetBool(pSSM, (bool *)&pThis->aCts[i].fReset);
SSMR3GetBool(pSSM, (bool *)&pThis->aCts[i].fRedo);
SSMR3GetBool(pSSM, (bool *)&pThis->aCts[i].fRedoIdle);
SSMR3GetBool(pSSM, (bool *)&pThis->aCts[i].fRedoDMALastDesc);
SSMR3GetMem(pSSM, &pThis->aCts[i].BmDma, sizeof(pThis->aCts[i].BmDma));
SSMR3GetGCPhys32(pSSM, &pThis->aCts[i].pFirstDMADesc);
SSMR3GetGCPhys32(pSSM, &pThis->aCts[i].pLastDMADesc);
SSMR3GetGCPhys32(pSSM, &pThis->aCts[i].pRedoDMABuffer);
SSMR3GetU32(pSSM, &pThis->aCts[i].cbRedoDMABuffer);
for (uint32_t j = 0; j < RT_ELEMENTS(pThis->aCts[i].aIfs); j++)
{
SSMR3GetBool(pSSM, &pThis->aCts[i].aIfs[j].fLBA48);
SSMR3GetBool(pSSM, &pThis->aCts[i].aIfs[j].fATAPI);
SSMR3GetBool(pSSM, &pThis->aCts[i].aIfs[j].fIrqPending);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].cMultSectors);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].PCHSGeometry.cCylinders);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].PCHSGeometry.cHeads);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].PCHSGeometry.cSectors);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].cSectorsPerIRQ);
SSMR3GetU64(pSSM, &pThis->aCts[i].aIfs[j].cTotalSectors);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegFeature);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegFeatureHOB);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegError);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegNSector);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegNSectorHOB);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegSector);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegSectorHOB);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegLCyl);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegLCylHOB);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegHCyl);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegHCylHOB);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegSelect);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegStatus);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegCommand);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATARegDevCtl);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uATATransferMode);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].uTxDir);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].iBeginTransfer);
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].iSourceSink);
SSMR3GetBool(pSSM, &pThis->aCts[i].aIfs[j].fDMA);
SSMR3GetBool(pSSM, &pThis->aCts[i].aIfs[j].fATAPITransfer);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].cbTotalTransfer);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].cbElementaryTransfer);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].iIOBufferCur);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].iIOBufferEnd);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].iIOBufferPIODataStart);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].iIOBufferPIODataEnd);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].iATAPILBA);
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].cbATAPISector);
SSMR3GetMem(pSSM, &pThis->aCts[i].aIfs[j].aATAPICmd, sizeof(pThis->aCts[i].aIfs[j].aATAPICmd));
if (uVersion > ATA_SAVED_STATE_VERSION_WITHOUT_FULL_SENSE)
{
SSMR3GetMem(pSSM, pThis->aCts[i].aIfs[j].abATAPISense, sizeof(pThis->aCts[i].aIfs[j].abATAPISense));
}
else
{
uint8_t uATAPISenseKey, uATAPIASC;
memset(pThis->aCts[i].aIfs[j].abATAPISense, '\0', sizeof(pThis->aCts[i].aIfs[j].abATAPISense));
pThis->aCts[i].aIfs[j].abATAPISense[0] = 0x70 | (1 << 7);
pThis->aCts[i].aIfs[j].abATAPISense[7] = 10;
SSMR3GetU8(pSSM, &uATAPISenseKey);
SSMR3GetU8(pSSM, &uATAPIASC);
pThis->aCts[i].aIfs[j].abATAPISense[2] = uATAPISenseKey & 0x0f;
pThis->aCts[i].aIfs[j].abATAPISense[12] = uATAPIASC;
}
/** @todo triple-check this hack after passthrough is working */
SSMR3GetU8(pSSM, &pThis->aCts[i].aIfs[j].cNotifiedMediaChange);
if (uVersion > ATA_SAVED_STATE_VERSION_WITHOUT_EVENT_STATUS)
SSMR3GetU32(pSSM, (uint32_t*)&pThis->aCts[i].aIfs[j].MediaEventStatus);
else
pThis->aCts[i].aIfs[j].MediaEventStatus = ATA_EVENT_STATUS_UNCHANGED;
SSMR3GetMem(pSSM, &pThis->aCts[i].aIfs[j].Led, sizeof(pThis->aCts[i].aIfs[j].Led));
SSMR3GetU32(pSSM, &pThis->aCts[i].aIfs[j].cbIOBuffer);
if (pThis->aCts[i].aIfs[j].cbIOBuffer)
{
if (pThis->aCts[i].aIfs[j].CTX_SUFF(pbIOBuffer))
SSMR3GetMem(pSSM, pThis->aCts[i].aIfs[j].CTX_SUFF(pbIOBuffer), pThis->aCts[i].aIfs[j].cbIOBuffer);
else
{
LogRel(("ATA: No buffer for %d/%d\n", i, j));
if (SSMR3HandleGetAfter(pSSM) != SSMAFTER_DEBUG_IT)
return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("No buffer for %d/%d"), i, j);
/* skip the buffer if we're loading for the debugger / animator. */
uint8_t u8Ignored;
size_t cbLeft = pThis->aCts[i].aIfs[j].cbIOBuffer;
while (cbLeft-- > 0)
SSMR3GetU8(pSSM, &u8Ignored);
}
}
else
Assert(pThis->aCts[i].aIfs[j].CTX_SUFF(pbIOBuffer) == NULL);
}
}
if (uVersion <= ATA_SAVED_STATE_VERSION_VBOX_30)
SSMR3GetU8(pSSM, &pThis->u8Type);
rc = SSMR3GetU32(pSSM, &u32);
if (RT_FAILURE(rc))
return rc;
if (u32 != ~0U)
{
AssertMsgFailed(("u32=%#x expected ~0\n", u32));
rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
return rc;
}
return VINF_SUCCESS;
}
/**
* Convert config value to DEVPCBIOSBOOT.
*
* @returns VBox status code.
* @param pDevIns The device instance data.
* @param pCfgHandle Configuration handle.
* @param penmChipset Where to store the chipset type.
*/
static int ataControllerFromCfg(PPDMDEVINS pDevIns, PCFGMNODE pCfgHandle, CHIPSET *penmChipset)
{
char szType[20];
int rc = CFGMR3QueryStringDef(pCfgHandle, "Type", &szType[0], sizeof(szType), "PIIX4");
if (RT_FAILURE(rc))
return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
N_("Configuration error: Querying \"Type\" as a string failed"));
if (!strcmp(szType, "PIIX3"))
*penmChipset = CHIPSET_PIIX3;
else if (!strcmp(szType, "PIIX4"))
*penmChipset = CHIPSET_PIIX4;
else if (!strcmp(szType, "ICH6"))
*penmChipset = CHIPSET_ICH6;
else
{
PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
N_("Configuration error: The \"Type\" value \"%s\" is unknown"),
szType);
rc = VERR_INTERNAL_ERROR;
}
return rc;
}
/**
* Construct a device instance for a VM.
*
* @returns VBox status.
* @param pDevIns The device instance data.
* If the registration structure is needed, pDevIns->pDevReg points to it.
* @param iInstance Instance number. Use this to figure out which registers and such to use.
* The device number is also found in pDevIns->iInstance, but since it's
* likely to be freqently used PDM passes it as parameter.
* @param pCfgHandle Configuration node handle for the device. Use this to obtain the configuration
* of the device instance. It's also found in pDevIns->pCfgHandle, but like
* iInstance it's expected to be used a bit in this function.
*/
static DECLCALLBACK(int) ataR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfgHandle)
{
PCIATAState *pThis = PDMINS_2_DATA(pDevIns, PCIATAState *);
PPDMIBASE pBase;
int rc;
bool fGCEnabled;
bool fR0Enabled;
uint32_t DelayIRQMillies;
Assert(iInstance == 0);
/*
* Initialize NIL handle values (for the destructor).
*/
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
pThis->aCts[i].AsyncIOSem = NIL_RTSEMEVENT;
pThis->aCts[i].SuspendIOSem = NIL_RTSEMEVENT;
pThis->aCts[i].AsyncIORequestMutex = NIL_RTSEMMUTEX;
pThis->aCts[i].AsyncIOThread = NIL_RTTHREAD;
}
/*
* Validate and read configuration.
*/
if (!CFGMR3AreValuesValid(pCfgHandle,
"GCEnabled\0"
"R0Enabled\0"
"IRQDelay\0"
"Type\0")
/** @todo || invalid keys */)
return PDMDEV_SET_ERROR(pDevIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES,
N_("PIIX3 configuration error: unknown option specified"));
rc = CFGMR3QueryBoolDef(pCfgHandle, "GCEnabled", &fGCEnabled, true);
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read GCEnabled as boolean"));
Log(("%s: fGCEnabled=%d\n", __FUNCTION__, fGCEnabled));
rc = CFGMR3QueryBoolDef(pCfgHandle, "R0Enabled", &fR0Enabled, true);
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read R0Enabled as boolean"));
Log(("%s: fR0Enabled=%d\n", __FUNCTION__, fR0Enabled));
rc = CFGMR3QueryU32Def(pCfgHandle, "IRQDelay", &DelayIRQMillies, 0);
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read IRQDelay as integer"));
Log(("%s: DelayIRQMillies=%d\n", __FUNCTION__, DelayIRQMillies));
Assert(DelayIRQMillies < 50);
CHIPSET enmChipset = CHIPSET_PIIX3;
rc = ataControllerFromCfg(pDevIns, pCfgHandle, &enmChipset);
if (RT_FAILURE(rc))
return rc;
pThis->u8Type = (uint8_t)enmChipset;
/*
* Initialize data (most of it anyway).
*/
/* Status LUN. */
pThis->IBase.pfnQueryInterface = ataStatus_QueryInterface;
pThis->ILeds.pfnQueryStatusLed = ataStatus_QueryStatusLed;
/* PCI configuration space. */
PCIDevSetVendorId(&pThis->dev, 0x8086); /* Intel */
/*
* When adding more IDE chipsets, don't forget to update pci_bios_init_device()
* as it explicitly checks for PCI id for IDE controllers.
*/
switch (pThis->u8Type)
{
case CHIPSET_ICH6:
PCIDevSetDeviceId(&pThis->dev, 0x269e); /* ICH6 IDE */
/** @todo: do we need it? Do we need anything else? */
pThis->dev.config[0x48] = 0x00; /* UDMACTL */
pThis->dev.config[0x4A] = 0x00; /* UDMATIM */
pThis->dev.config[0x4B] = 0x00;
{
/*
* See www.intel.com/Assets/PDF/manual/298600.pdf p. 30
* Report
* WR_Ping-Pong_EN: must be set
* PCR0, PCR1: 80-pin primary cable reporting for both disks
* SCR0, SCR1: 80-pin secondary cable reporting for both disks
*/
uint16_t u16Config = (1<<10) | (1<<7) | (1<<6) | (1<<5) | (1<<4) ;
pThis->dev.config[0x54] = u16Config & 0xff;
pThis->dev.config[0x55] = u16Config >> 8;
}
break;
case CHIPSET_PIIX4:
PCIDevSetDeviceId(&pThis->dev, 0x7111); /* PIIX4 IDE */
PCIDevSetRevisionId(&pThis->dev, 0x01); /* PIIX4E */
pThis->dev.config[0x48] = 0x00; /* UDMACTL */
pThis->dev.config[0x4A] = 0x00; /* UDMATIM */
pThis->dev.config[0x4B] = 0x00;
break;
case CHIPSET_PIIX3:
PCIDevSetDeviceId(&pThis->dev, 0x7010); /* PIIX3 IDE */
break;
default:
AssertMsgFailed(("Unsupported IDE chipset type: %d\n", pThis->u8Type));
}
PCIDevSetCommand( &pThis->dev, PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS | PCI_COMMAND_BUSMASTER);
PCIDevSetClassProg( &pThis->dev, 0x8a); /* programming interface = PCI_IDE bus master is supported */
PCIDevSetClassSub( &pThis->dev, 0x01); /* class_sub = PCI_IDE */
PCIDevSetClassBase( &pThis->dev, 0x01); /* class_base = PCI_mass_storage */
PCIDevSetHeaderType(&pThis->dev, 0x00);
pThis->pDevIns = pDevIns;
pThis->fGCEnabled = fGCEnabled;
pThis->fR0Enabled = fR0Enabled;
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
pThis->aCts[i].pDevInsR3 = pDevIns;
pThis->aCts[i].pDevInsR0 = PDMDEVINS_2_R0PTR(pDevIns);
pThis->aCts[i].pDevInsRC = PDMDEVINS_2_RCPTR(pDevIns);
pThis->aCts[i].DelayIRQMillies = (uint32_t)DelayIRQMillies;
for (uint32_t j = 0; j < RT_ELEMENTS(pThis->aCts[i].aIfs); j++)
{
ATADevState *pIf = &pThis->aCts[i].aIfs[j];
pIf->iLUN = i * RT_ELEMENTS(pThis->aCts) + j;
pIf->pDevInsR3 = pDevIns;
pIf->pDevInsR0 = PDMDEVINS_2_R0PTR(pDevIns);
pIf->pDevInsRC = PDMDEVINS_2_RCPTR(pDevIns);
pIf->pControllerR3 = &pThis->aCts[i];
pIf->pControllerR0 = MMHyperR3ToR0(PDMDevHlpGetVM(pDevIns), &pThis->aCts[i]);
pIf->pControllerRC = MMHyperR3ToRC(PDMDevHlpGetVM(pDevIns), &pThis->aCts[i]);
pIf->IBase.pfnQueryInterface = ataQueryInterface;
pIf->IMountNotify.pfnMountNotify = ataMountNotify;
pIf->IMountNotify.pfnUnmountNotify = ataUnmountNotify;
pIf->Led.u32Magic = PDMLED_MAGIC;
}
}
Assert(RT_ELEMENTS(pThis->aCts) == 2);
pThis->aCts[0].irq = 14;
pThis->aCts[0].IOPortBase1 = 0x1f0;
pThis->aCts[0].IOPortBase2 = 0x3f6;
pThis->aCts[1].irq = 15;
pThis->aCts[1].IOPortBase1 = 0x170;
pThis->aCts[1].IOPortBase2 = 0x376;
/*
* Register the PCI device.
* N.B. There's a hack in the PIIX3 PCI bridge device to assign this
* device the slot next to itself.
*/
rc = PDMDevHlpPCIRegister(pDevIns, &pThis->dev);
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 cannot register PCI device"));
AssertMsg(pThis->dev.devfn == 9 || iInstance != 0, ("pThis->dev.devfn=%d\n", pThis->dev.devfn));
rc = PDMDevHlpPCIIORegionRegister(pDevIns, 4, 0x10, PCI_ADDRESS_SPACE_IO, ataBMDMAIORangeMap);
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 cannot register PCI I/O region for BMDMA"));
/*
* Register the I/O ports.
* The ports are all hardcoded and enforced by the PIIX3 host bridge controller.
*/
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
rc = PDMDevHlpIOPortRegister(pDevIns, pThis->aCts[i].IOPortBase1, 8, (RTHCPTR)i,
ataIOPortWrite1, ataIOPortRead1, ataIOPortWriteStr1, ataIOPortReadStr1, "ATA I/O Base 1");
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot register I/O handlers"));
if (fGCEnabled)
{
rc = PDMDevHlpIOPortRegisterGC(pDevIns, pThis->aCts[i].IOPortBase1, 8, (RTGCPTR)i,
"ataIOPortWrite1", "ataIOPortRead1", "ataIOPortWriteStr1", "ataIOPortReadStr1", "ATA I/O Base 1");
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot register I/O handlers (GC)"));
}
if (fR0Enabled)
{
#if 1
rc = PDMDevHlpIOPortRegisterR0(pDevIns, pThis->aCts[i].IOPortBase1, 8, (RTR0PTR)i,
"ataIOPortWrite1", "ataIOPortRead1", NULL, NULL, "ATA I/O Base 1");
#else
rc = PDMDevHlpIOPortRegisterR0(pDevIns, pThis->aCts[i].IOPortBase1, 8, (RTR0PTR)i,
"ataIOPortWrite1", "ataIOPortRead1", "ataIOPortWriteStr1", "ataIOPortReadStr1", "ATA I/O Base 1");
#endif
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, "PIIX3 cannot register I/O handlers (R0).");
}
rc = PDMDevHlpIOPortRegister(pDevIns, pThis->aCts[i].IOPortBase2, 1, (RTHCPTR)i,
ataIOPortWrite2, ataIOPortRead2, NULL, NULL, "ATA I/O Base 2");
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot register base2 I/O handlers"));
if (fGCEnabled)
{
rc = PDMDevHlpIOPortRegisterGC(pDevIns, pThis->aCts[i].IOPortBase2, 1, (RTGCPTR)i,
"ataIOPortWrite2", "ataIOPortRead2", NULL, NULL, "ATA I/O Base 2");
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot register base2 I/O handlers (GC)"));
}
if (fR0Enabled)
{
rc = PDMDevHlpIOPortRegisterR0(pDevIns, pThis->aCts[i].IOPortBase2, 1, (RTR0PTR)i,
"ataIOPortWrite2", "ataIOPortRead2", NULL, NULL, "ATA I/O Base 2");
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot register base2 I/O handlers (R0)"));
}
for (uint32_t j = 0; j < RT_ELEMENTS(pThis->aCts[i].aIfs); j++)
{
ATADevState *pIf = &pThis->aCts[i].aIfs[j];
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatATADMA, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
"Number of ATA DMA transfers.", "/Devices/IDE%d/ATA%d/Unit%d/DMA", iInstance, i, j);
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatATAPIO, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
"Number of ATA PIO transfers.", "/Devices/IDE%d/ATA%d/Unit%d/PIO", iInstance, i, j);
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatATAPIDMA, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
"Number of ATAPI DMA transfers.", "/Devices/IDE%d/ATA%d/Unit%d/AtapiDMA", iInstance, i, j);
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatATAPIPIO, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
"Number of ATAPI PIO transfers.", "/Devices/IDE%d/ATA%d/Unit%d/AtapiPIO", iInstance, i, j);
#ifdef VBOX_WITH_STATISTICS /** @todo release too. */
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatReads, STAMTYPE_PROFILE_ADV, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL,
"Profiling of the read operations.", "/Devices/IDE%d/ATA%d/Unit%d/Reads", iInstance, i, j);
#endif
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatBytesRead, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES,
"Amount of data read.", "/Devices/IDE%d/ATA%d/Unit%d/ReadBytes", iInstance, i, j);
#ifdef VBOX_INSTRUMENT_DMA_WRITES
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatInstrVDWrites,STAMTYPE_PROFILE_ADV, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL,
"Profiling of the VD DMA write operations.", "/Devices/IDE%d/ATA%d/Unit%d/InstrVDWrites", iInstance, i, j);
#endif
#ifdef VBOX_WITH_STATISTICS
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatWrites, STAMTYPE_PROFILE_ADV, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL,
"Profiling of the write operations.", "/Devices/IDE%d/ATA%d/Unit%d/Writes", iInstance, i, j);
#endif
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatBytesWritten, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES,
"Amount of data written.", "/Devices/IDE%d/ATA%d/Unit%d/WrittenBytes", iInstance, i, j);
#ifdef VBOX_WITH_STATISTICS
PDMDevHlpSTAMRegisterF(pDevIns, &pIf->StatFlushes, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL,
"Profiling of the flush operations.", "/Devices/IDE%d/ATA%d/Unit%d/Flushes", iInstance, i, j);
#endif
}
#ifdef VBOX_WITH_STATISTICS /** @todo release too. */
PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aCts[i].StatAsyncOps, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,
"The number of async operations.", "/Devices/IDE%d/ATA%d/Async/Operations", iInstance, i);
/** @todo STAMUNIT_MICROSECS */
PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aCts[i].StatAsyncMinWait, STAMTYPE_U64_RESET, STAMVISIBILITY_ALWAYS, STAMUNIT_NONE,
"Minimum wait in microseconds.", "/Devices/IDE%d/ATA%d/Async/MinWait", iInstance, i);
PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aCts[i].StatAsyncMaxWait, STAMTYPE_U64_RESET, STAMVISIBILITY_ALWAYS, STAMUNIT_NONE,
"Maximum wait in microseconds.", "/Devices/IDE%d/ATA%d/Async/MaxWait", iInstance, i);
PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aCts[i].StatAsyncTimeUS, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_NONE,
"Total time spent in microseconds.", "/Devices/IDE%d/ATA%d/Async/TotalTimeUS", iInstance, i);
PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aCts[i].StatAsyncTime, STAMTYPE_PROFILE_ADV, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL,
"Profiling of async operations.", "/Devices/IDE%d/ATA%d/Async/Time", iInstance, i);
PDMDevHlpSTAMRegisterF(pDevIns, &pThis->aCts[i].StatLockWait, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL,
"Profiling of locks.", "/Devices/IDE%d/ATA%d/Async/LockWait", iInstance, i);
#endif /* VBOX_WITH_STATISTICS */
/* Initialize per-controller critical section */
rc = PDMDevHlpCritSectInit(pDevIns, &pThis->aCts[i].lock, RT_SRC_POS, "ATA%u", i);
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot initialize critical section"));
}
/*
* Attach status driver (optional).
*/
rc = PDMDevHlpDriverAttach(pDevIns, PDM_STATUS_LUN, &pThis->IBase, &pBase, "Status Port");
if (RT_SUCCESS(rc))
pThis->pLedsConnector = PDMIBASE_QUERY_INTERFACE(pBase, PDMILEDCONNECTORS);
else if (rc != VERR_PDM_NO_ATTACHED_DRIVER)
{
AssertMsgFailed(("Failed to attach to status driver. rc=%Rrc\n", rc));
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot attach to status driver"));
}
/*
* Attach the units.
*/
uint32_t cbTotalBuffer = 0;
for (uint32_t i = 0; i < RT_ELEMENTS(pThis->aCts); i++)
{
PATACONTROLLER pCtl = &pThis->aCts[i];
/*
* Start the worker thread.
*/
pCtl->uAsyncIOState = ATA_AIO_NEW;
rc = RTSemEventCreate(&pCtl->AsyncIOSem);
AssertLogRelRCReturn(rc, rc);
rc = RTSemEventCreate(&pCtl->SuspendIOSem);
AssertLogRelRCReturn(rc, rc);
rc = RTSemMutexCreate(&pCtl->AsyncIORequestMutex);
AssertLogRelRCReturn(rc, rc);
ataAsyncIOClearRequests(pCtl);
rc = RTThreadCreateF(&pCtl->AsyncIOThread, ataAsyncIOLoop, (void *)pCtl, 128*1024 /*cbStack*/,
RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "ATA-%u", i);
AssertLogRelRCReturn(rc, rc);
Assert(pCtl->AsyncIOThread != NIL_RTTHREAD && pCtl->AsyncIOSem != NIL_RTSEMEVENT && pCtl->SuspendIOSem != NIL_RTSEMEVENT && pCtl->AsyncIORequestMutex != NIL_RTSEMMUTEX);
Log(("%s: controller %d AIO thread id %#x; sem %p susp_sem %p mutex %p\n", __FUNCTION__, i, pCtl->AsyncIOThread, pCtl->AsyncIOSem, pCtl->SuspendIOSem, pCtl->AsyncIORequestMutex));
for (uint32_t j = 0; j < RT_ELEMENTS(pCtl->aIfs); j++)
{
static const char *s_apszDescs[RT_ELEMENTS(pThis->aCts)][RT_ELEMENTS(pCtl->aIfs)] =
{
{ "Primary Master", "Primary Slave" },
{ "Secondary Master", "Secondary Slave" }
};
/*
* Try attach the block device and get the interfaces,
* required as well as optional.
*/
ATADevState *pIf = &pCtl->aIfs[j];
rc = PDMDevHlpDriverAttach(pDevIns, pIf->iLUN, &pIf->IBase, &pIf->pDrvBase, s_apszDescs[i][j]);
if (RT_SUCCESS(rc))
{
rc = ataConfigLun(pDevIns, pIf);
if (RT_SUCCESS(rc))
{
/*
* Init vendor product data.
*/
static const char *s_apszCFGMKeys[RT_ELEMENTS(pThis->aCts)][RT_ELEMENTS(pCtl->aIfs)] =
{
{ "PrimaryMaster", "PrimarySlave" },
{ "SecondaryMaster", "SecondarySlave" }
};
/* Generate a default serial number. */
char szSerial[ATA_SERIAL_NUMBER_LENGTH+1];
RTUUID Uuid;
if (pIf->pDrvBlock)
rc = pIf->pDrvBlock->pfnGetUuid(pIf->pDrvBlock, &Uuid);
else
RTUuidClear(&Uuid);
if (RT_FAILURE(rc) || RTUuidIsNull(&Uuid))
{
/* Generate a predictable serial for drives which don't have a UUID. */
RTStrPrintf(szSerial, sizeof(szSerial), "VB%x-%04x%04x",
pIf->iLUN + pDevIns->iInstance * 32,
pThis->aCts[i].IOPortBase1, pThis->aCts[i].IOPortBase2);
}
else
RTStrPrintf(szSerial, sizeof(szSerial), "VB%08x-%08x", Uuid.au32[0], Uuid.au32[3]);
/* Get user config if present using defaults otherwise. */
PCFGMNODE pCfgNode = CFGMR3GetChild(pCfgHandle, s_apszCFGMKeys[i][j]);
rc = CFGMR3QueryStringDef(pCfgNode, "SerialNumber", pIf->szSerialNumber, sizeof(pIf->szSerialNumber),
szSerial);
if (RT_FAILURE(rc))
{
if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
return PDMDEV_SET_ERROR(pDevIns, VERR_INVALID_PARAMETER,
N_("PIIX3 configuration error: \"SerialNumber\" is longer than 20 bytes"));
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read \"SerialNumber\" as string"));
}
rc = CFGMR3QueryStringDef(pCfgNode, "FirmwareRevision", pIf->szFirmwareRevision, sizeof(pIf->szFirmwareRevision),
"1.0");
if (RT_FAILURE(rc))
{
if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
return PDMDEV_SET_ERROR(pDevIns, VERR_INVALID_PARAMETER,
N_("PIIX3 configuration error: \"FirmwareRevision\" is longer than 8 bytes"));
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read \"FirmwareRevision\" as string"));
}
rc = CFGMR3QueryStringDef(pCfgNode, "ModelNumber", pIf->szModelNumber, sizeof(pIf->szModelNumber),
pIf->fATAPI ? "VBOX CD-ROM" : "VBOX HARDDISK");
if (RT_FAILURE(rc))
{
if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
return PDMDEV_SET_ERROR(pDevIns, VERR_INVALID_PARAMETER,
N_("PIIX3 configuration error: \"ModelNumber\" is longer than 40 bytes"));
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read \"ModelNumber\" as string"));
}
/* There are three other identification strings for CD drives used for INQUIRY */
if (pIf->fATAPI)
{
rc = CFGMR3QueryStringDef(pCfgNode, "ATAPIVendorId", pIf->szInquiryVendorId, sizeof(pIf->szInquiryVendorId),
"VBOX");
if (RT_FAILURE(rc))
{
if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
return PDMDEV_SET_ERROR(pDevIns, VERR_INVALID_PARAMETER,
N_("PIIX3 configuration error: \"ATAPIVendorId\" is longer than 16 bytes"));
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read \"ATAPIVendorId\" as string"));
}
rc = CFGMR3QueryStringDef(pCfgNode, "ATAPIProductId", pIf->szInquiryProductId, sizeof(pIf->szInquiryProductId),
"CD-ROM");
if (RT_FAILURE(rc))
{
if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
return PDMDEV_SET_ERROR(pDevIns, VERR_INVALID_PARAMETER,
N_("PIIX3 configuration error: \"ATAPIProductId\" is longer than 16 bytes"));
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read \"ATAPIProductId\" as string"));
}
rc = CFGMR3QueryStringDef(pCfgNode, "ATAPIRevision", pIf->szInquiryRevision, sizeof(pIf->szInquiryRevision),
"1.0");
if (RT_FAILURE(rc))
{
if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
return PDMDEV_SET_ERROR(pDevIns, VERR_INVALID_PARAMETER,
N_("PIIX3 configuration error: \"ATAPIRevision\" is longer than 4 bytes"));
return PDMDEV_SET_ERROR(pDevIns, rc,
N_("PIIX3 configuration error: failed to read \"ATAPIRevision\" as string"));
}
}
}
}
else if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
{
pIf->pDrvBase = NULL;
pIf->pDrvBlock = NULL;
pIf->cbIOBuffer = 0;
pIf->pbIOBufferR3 = NULL;
pIf->pbIOBufferR0 = NIL_RTR0PTR;
pIf->pbIOBufferRC = NIL_RTGCPTR;
LogRel(("PIIX3 ATA: LUN#%d: no unit\n", pIf->iLUN));
}
else
{
switch (rc)
{
case VERR_ACCESS_DENIED:
/* Error already catched by DrvHostBase */
return rc;
default:
return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
N_("PIIX3 cannot attach drive to the %s"),
s_apszDescs[i][j]);
}
}
cbTotalBuffer += pIf->cbIOBuffer;
}
}
rc = PDMDevHlpSSMRegisterEx(pDevIns, ATA_SAVED_STATE_VERSION, sizeof(*pThis) + cbTotalBuffer, NULL,
NULL, ataLiveExec, NULL,
ataSaveLoadPrep, ataSaveExec, NULL,
ataSaveLoadPrep, ataLoadExec, NULL);
if (RT_FAILURE(rc))
return PDMDEV_SET_ERROR(pDevIns, rc, N_("PIIX3 cannot register save state handlers"));
/*
* Initialize the device state.
*/
return ataR3ResetCommon(pDevIns, true /*fConstruct*/);
}
/**
* The device registration structure.
*/
const PDMDEVREG g_DevicePIIX3IDE =
{
/* u32Version */
PDM_DEVREG_VERSION,
/* szDeviceName */
"piix3ide",
/* szRCMod */
"VBoxDDGC.gc",
/* szR0Mod */
"VBoxDDR0.r0",
/* pszDescription */
"Intel PIIX3 ATA controller.\n"
" LUN #0 is primary master.\n"
" LUN #1 is primary slave.\n"
" LUN #2 is secondary master.\n"
" LUN #3 is secondary slave.\n"
" LUN #999 is the LED/Status connector.",
/* fFlags */
PDM_DEVREG_FLAGS_DEFAULT_BITS | PDM_DEVREG_FLAGS_RC | PDM_DEVREG_FLAGS_R0 |
PDM_DEVREG_FLAGS_FIRST_SUSPEND_NOTIFICATION | PDM_DEVREG_FLAGS_FIRST_POWEROFF_NOTIFICATION,
/* fClass */
PDM_DEVREG_CLASS_STORAGE,
/* cMaxInstances */
1,
/* cbInstance */
sizeof(PCIATAState),
/* pfnConstruct */
ataR3Construct,
/* pfnDestruct */
ataR3Destruct,
/* pfnRelocate */
ataR3Relocate,
/* pfnIOCtl */
NULL,
/* pfnPowerOn */
NULL,
/* pfnReset */
ataR3Reset,
/* pfnSuspend */
ataR3Suspend,
/* pfnResume */
ataR3Resume,
/* pfnAttach */
ataR3Attach,
/* pfnDetach */
ataR3Detach,
/* pfnQueryInterface. */
NULL,
/* pfnInitComplete */
NULL,
/* pfnPowerOff */
ataR3PowerOff,
/* pfnSoftReset */
NULL,
/* u32VersionEnd */
PDM_DEVREG_VERSION
};
#endif /* IN_RING3 */
#endif /* !VBOX_DEVICE_STRUCT_TESTCASE */