Archipelago » qemu

#ifndef HW_IDE_INTERNAL_H

#define HW_IDE_INTERNAL_H

/*

 * QEMU IDE Emulation -- internal header file

 * only files in hw/ide/ are supposed to include this file.

 * non-internal declarations are in hw/ide.h

 */

#include <hw/ide.h>

#include <hw/isa/isa.h>

#include "exec/iorange.h"

#include "sysemu/dma.h"

#include "sysemu/sysemu.h"

#include "hw/block/block.h"

#include "block/scsi.h"

/* debug IDE devices */

//#define DEBUG_IDE

//#define DEBUG_IDE_ATAPI

//#define DEBUG_AIO

#define USE_DMA_CDROM

typedef struct IDEBus IDEBus;

typedef struct IDEDevice IDEDevice;

typedef struct IDEState IDEState;

typedef struct IDEDMA IDEDMA;

typedef struct IDEDMAOps IDEDMAOps;

#define TYPE_IDE_BUS "IDE"

#define IDE_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)

/* Bits of HD_STATUS */

#define ERR_STAT                0x01

#define INDEX_STAT                0x02

#define ECC_STAT                0x04        /* Corrected error */

#define DRQ_STAT                0x08

#define SEEK_STAT                0x10

#define SRV_STAT                0x10

#define WRERR_STAT                0x20

#define READY_STAT                0x40

#define BUSY_STAT                0x80

/* Bits for HD_ERROR */

#define MARK_ERR                0x01        /* Bad address mark */

#define TRK0_ERR                0x02        /* couldn't find track 0 */

#define ABRT_ERR                0x04        /* Command aborted */

#define MCR_ERR                        0x08        /* media change request */

#define ID_ERR                        0x10        /* ID field not found */

#define MC_ERR                        0x20        /* media changed */

#define ECC_ERR                        0x40        /* Uncorrectable ECC error */

#define BBD_ERR                        0x80        /* pre-EIDE meaning:  block marked bad */

#define ICRC_ERR                0x80        /* new meaning:  CRC error during transfer */

/* Bits of HD_NSECTOR */

#define CD                        0x01

#define IO                        0x02

#define REL                        0x04

#define TAG_MASK                0xf8

#define IDE_CMD_RESET           0x04

#define IDE_CMD_DISABLE_IRQ     0x02

/* ACS-2 T13/2015-D Table B.2 Command codes */

#define WIN_NOP                                0x00

/* reserved                             0x01..0x02 */

#define CFA_REQ_EXT_ERROR_CODE                0x03 /* CFA Request Extended Error Code */

/* reserved                             0x04..0x05 */

#define WIN_DSM                         0x06

/* reserved                             0x07 */

#define WIN_DEVICE_RESET                0x08

/* reserved                             0x09..0x0a */

/* REQUEST SENSE DATA EXT               0x0B */

/* reserved                             0x0C..0x0F */

#define WIN_RECAL                       0x10 /* obsolete since ATA4 */

/* obsolete since ATA3, retired in ATA4 0x11..0x1F */

#define WIN_READ                        0x20 /* 28-Bit */

#define WIN_READ_ONCE                   0x21 /* 28-Bit w/o retries, obsolete since ATA5 */

/* obsolete since ATA4                  0x22..0x23 */

#define WIN_READ_EXT                        0x24 /* 48-Bit */

#define WIN_READDMA_EXT                        0x25 /* 48-Bit */

#define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit, obsolete since ACS2 */

#define WIN_READ_NATIVE_MAX_EXT                0x27 /* 48-Bit */

/* reserved                             0x28 */

#define WIN_MULTREAD_EXT                0x29 /* 48-Bit */

/* READ STREAM DMA EXT                  0x2A */

/* READ STREAM EXT                      0x2B */

/* reserved                             0x2C..0x2E */

/* READ LOG EXT                         0x2F */

#define WIN_WRITE                        0x30 /* 28-Bit */

#define WIN_WRITE_ONCE                  0x31 /* 28-Bit w/o retries, obsolete since ATA5 */

/* obsolete since ATA4                  0x32..0x33 */

#define WIN_WRITE_EXT                        0x34 /* 48-Bit */

#define WIN_WRITEDMA_EXT                0x35 /* 48-Bit */

#define WIN_WRITEDMA_QUEUED_EXT                0x36 /* 48-Bit */

#define WIN_SET_MAX_EXT                 0x37 /* 48-Bit, obsolete since ACS2 */

#define WIN_SET_MAX_EXT                        0x37 /* 48-Bit */

#define CFA_WRITE_SECT_WO_ERASE                0x38 /* CFA Write Sectors without erase */

#define WIN_MULTWRITE_EXT                0x39 /* 48-Bit */

/* WRITE STREAM DMA EXT                 0x3A */

/* WRITE STREAM EXT                     0x3B */

#define WIN_WRITE_VERIFY                0x3C /* 28-Bit, obsolete since ATA4 */

/* WRITE DMA FUA EXT                    0x3D */

/* obsolete since ACS2                  0x3E */

/* WRITE LOG EXT                        0x3F */

#define WIN_VERIFY                        0x40 /* 28-Bit - Read Verify Sectors */

#define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */

#define WIN_VERIFY_EXT                        0x42 /* 48-Bit */

/* reserved                             0x43..0x44 */

/* WRITE UNCORRECTABLE EXT              0x45 */

/* reserved                             0x46 */

/* READ LOG DMA EXT                     0x47 */

/* reserved                             0x48..0x4F */

/* obsolete since ATA4                  0x50 */

/* CONFIGURE STREAM                     0x51 */

/* reserved                             0x52..0x56 */

/* WRITE LOG DMA EXT                    0x57 */

/* reserved                             0x58..0x5A */

/* TRUSTED NON DATA                     0x5B */

/* TRUSTED RECEIVE                      0x5C */

/* TRUSTED RECEIVE DMA                  0x5D */

/* TRUSTED SEND                         0x5E */

/* TRUSTED SEND DMA                     0x5F */

/* READ FPDMA QUEUED                    0x60 */

/* WRITE FPDMA QUEUED                   0x61 */

/* reserved                             0x62->0x6F */

#define WIN_SEEK                        0x70 /* obsolete since ATA7 */

/* reserved                             0x71-0x7F */

/* vendor specific                      0x80-0x86 */

#define CFA_TRANSLATE_SECTOR                0x87 /* CFA Translate Sector */

/* vendor specific                      0x88-0x8F */

#define WIN_DIAGNOSE                        0x90

#define WIN_SPECIFY                     0x91 /* set drive geometry translation, obsolete since ATA6 */

#define WIN_DOWNLOAD_MICROCODE                0x92

/* DOWNLOAD MICROCODE DMA               0x93 */

#define WIN_STANDBYNOW2                 0x94 /* retired in ATA4 */

#define WIN_IDLEIMMEDIATE2              0x95 /* force drive to become "ready", retired in ATA4 */

#define WIN_STANDBY2                    0x96 /* retired in ATA4 */

#define WIN_SETIDLE2                    0x97 /* retired in ATA4 */

#define WIN_CHECKPOWERMODE2             0x98 /* retired in ATA4 */

#define WIN_SLEEPNOW2                   0x99 /* retired in ATA4 */

/* vendor specific                      0x9A */

/* reserved                             0x9B..0x9F */

#define WIN_PACKETCMD                        0xA0 /* Send a packet command. */

#define WIN_PIDENTIFY                        0xA1 /* identify ATAPI device        */

#define WIN_QUEUED_SERVICE              0xA2 /* obsolete since ACS2 */

/* reserved                             0xA3..0xAF */

#define WIN_SMART                        0xB0 /* self-monitoring and reporting */

/* Device Configuration Overlay         0xB1 */

/* reserved                             0xB2..0xB3 */

/* Sanitize Device                      0xB4 */

/* reserved                             0xB5 */

/* NV Cache                             0xB6 */

/* reserved for CFA                     0xB7..0xBB */

#define CFA_ACCESS_METADATA_STORAGE        0xB8

/* reserved                             0xBC..0xBF */

#define CFA_ERASE_SECTORS               0xC0 /* microdrives implement as NOP */

/* vendor specific                      0xC1..0xC3 */

#define WIN_MULTREAD                        0xC4 /* read sectors using multiple mode*/

#define WIN_MULTWRITE                        0xC5 /* write sectors using multiple mode */

#define WIN_SETMULT                        0xC6 /* enable/disable multiple mode */

#define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */

#define WIN_READDMA                        0xC8 /* read sectors using DMA transfers */

#define WIN_READDMA_ONCE                0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */

#define WIN_WRITEDMA                        0xCA /* write sectors using DMA transfers */

#define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */

#define WIN_WRITEDMA_QUEUED                0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */

#define CFA_WRITE_MULTI_WO_ERASE        0xCD /* CFA Write multiple without erase */

/* WRITE MULTIPLE FUA EXT               0xCE */

/* reserved                             0xCF..0xDO */

/* CHECK MEDIA CARD TYPE                0xD1 */

/* reserved for media card pass through 0xD2..0xD4 */

/* reserved                             0xD5..0xD9 */

#define WIN_GETMEDIASTATUS              0xDA /* obsolete since ATA8 */

/* obsolete since ATA3, retired in ATA4 0xDB..0xDD */

#define WIN_DOORLOCK                    0xDE /* lock door on removable drives, obsolete since ATA8 */

#define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives, obsolete since ATA8 */

#define WIN_STANDBYNOW1                        0xE0

#define WIN_IDLEIMMEDIATE                0xE1 /* force drive to become "ready" */

#define WIN_STANDBY                     0xE2 /* Set device in Standby Mode */

#define WIN_SETIDLE1                        0xE3

#define WIN_READ_BUFFER                        0xE4 /* force read only 1 sector */

#define WIN_CHECKPOWERMODE1                0xE5

#define WIN_SLEEPNOW1                        0xE6

#define WIN_FLUSH_CACHE                        0xE7

#define WIN_WRITE_BUFFER                0xE8 /* force write only 1 sector */

/* READ BUFFER DMA                      0xE9 */

#define WIN_FLUSH_CACHE_EXT                0xEA /* 48-Bit */

/* WRITE BUFFER DMA                     0xEB */

#define WIN_IDENTIFY                        0xEC /* ask drive to identify itself        */

#define WIN_MEDIAEJECT                  0xED /* obsolete since ATA8 */

/* obsolete since ATA4                  0xEE */

#define WIN_SETFEATURES                        0xEF /* set special drive features */

#define IBM_SENSE_CONDITION             0xF0 /* measure disk temperature, vendor specific */

#define WIN_SECURITY_SET_PASS                0xF1

#define WIN_SECURITY_UNLOCK                0xF2

#define WIN_SECURITY_ERASE_PREPARE        0xF3

#define WIN_SECURITY_ERASE_UNIT                0xF4

#define WIN_SECURITY_FREEZE_LOCK        0xF5

#define CFA_WEAR_LEVEL                  0xF5 /* microdrives implement as NOP; not specified in T13! */

#define WIN_SECURITY_DISABLE                0xF6

/* vendor specific                      0xF7 */

#define WIN_READ_NATIVE_MAX                0xF8 /* return the native maximum address */

#define WIN_SET_MAX                        0xF9

/* vendor specific                      0xFA..0xFF */

/* set to 1 set disable mult support */

#define MAX_MULT_SECTORS 16

#define IDE_DMA_BUF_SECTORS 256

/* feature values for Data Set Management */

#define DSM_TRIM                        0x01

#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)

#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"

#endif

/* ATAPI defines */

#define ATAPI_PACKET_SIZE 12

/* The generic packet command opcodes for CD/DVD Logical Units,

 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */

#define GPCMD_BLANK                            0xa1

#define GPCMD_CLOSE_TRACK                    0x5b

#define GPCMD_FLUSH_CACHE                    0x35

#define GPCMD_FORMAT_UNIT                    0x04

#define GPCMD_GET_CONFIGURATION                    0x46

#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a

#define GPCMD_GET_PERFORMANCE                    0xac

#define GPCMD_INQUIRY                            0x12

#define GPCMD_LOAD_UNLOAD                    0xa6

#define GPCMD_MECHANISM_STATUS                    0xbd

#define GPCMD_MODE_SELECT_10                    0x55

#define GPCMD_MODE_SENSE_10                    0x5a

#define GPCMD_PAUSE_RESUME                    0x4b

#define GPCMD_PLAY_AUDIO_10                    0x45

#define GPCMD_PLAY_AUDIO_MSF                    0x47

#define GPCMD_PLAY_AUDIO_TI                    0x48

#define GPCMD_PLAY_CD                            0xbc

#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e

#define GPCMD_READ_10                            0x28

#define GPCMD_READ_12                            0xa8

#define GPCMD_READ_CDVD_CAPACITY            0x25

#define GPCMD_READ_CD                            0xbe

#define GPCMD_READ_CD_MSF                    0xb9

#define GPCMD_READ_DISC_INFO                    0x51

#define GPCMD_READ_DVD_STRUCTURE            0xad

#define GPCMD_READ_FORMAT_CAPACITIES            0x23

#define GPCMD_READ_HEADER                    0x44

#define GPCMD_READ_TRACK_RZONE_INFO            0x52

#define GPCMD_READ_SUBCHANNEL                    0x42

#define GPCMD_READ_TOC_PMA_ATIP                    0x43

#define GPCMD_REPAIR_RZONE_TRACK            0x58

#define GPCMD_REPORT_KEY                    0xa4

#define GPCMD_REQUEST_SENSE                    0x03

#define GPCMD_RESERVE_RZONE_TRACK            0x53

#define GPCMD_SCAN                            0xba

#define GPCMD_SEEK                            0x2b

#define GPCMD_SEND_DVD_STRUCTURE            0xad

#define GPCMD_SEND_EVENT                    0xa2

#define GPCMD_SEND_KEY                            0xa3

#define GPCMD_SEND_OPC                            0x54

#define GPCMD_SET_READ_AHEAD                    0xa7

#define GPCMD_SET_STREAMING                    0xb6

#define GPCMD_START_STOP_UNIT                    0x1b

#define GPCMD_STOP_PLAY_SCAN                    0x4e

#define GPCMD_TEST_UNIT_READY                    0x00

#define GPCMD_VERIFY_10                            0x2f

#define GPCMD_WRITE_10                            0x2a

#define GPCMD_WRITE_AND_VERIFY_10            0x2e

/* This is listed as optional in ATAPI 2.6, but is (curiously)

 * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji

 * Table 377 as an MMC command for SCSi devices though...  Most ATAPI

 * drives support it. */

#define GPCMD_SET_SPEED                            0xbb

/* This seems to be a SCSI specific CD-ROM opcode

 * to play data at track/index */

#define GPCMD_PLAYAUDIO_TI                    0x48

/*

 * From MS Media Status Notification Support Specification. For

 * older drives only.

 */

#define GPCMD_GET_MEDIA_STATUS                    0xda

#define GPCMD_MODE_SENSE_6                    0x1a

#define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */

#define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */

#define ATAPI_INT_REASON_REL            0x04

#define ATAPI_INT_REASON_TAG            0xf8

/* same constants as bochs */

#define ASC_ILLEGAL_OPCODE                   0x20

#define ASC_LOGICAL_BLOCK_OOR                0x21

#define ASC_INV_FIELD_IN_CMD_PACKET          0x24

#define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28

#define ASC_INCOMPATIBLE_FORMAT              0x30

#define ASC_MEDIUM_NOT_PRESENT               0x3a

#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39

#define ASC_MEDIA_REMOVAL_PREVENTED          0x53

#define CFA_NO_ERROR            0x00

#define CFA_MISC_ERROR          0x09

#define CFA_INVALID_COMMAND     0x20

#define CFA_INVALID_ADDRESS     0x21

#define CFA_ADDRESS_OVERFLOW    0x2f

#define SMART_READ_DATA       0xd0

#define SMART_READ_THRESH     0xd1

#define SMART_ATTR_AUTOSAVE   0xd2

#define SMART_SAVE_ATTR       0xd3

#define SMART_EXECUTE_OFFLINE 0xd4

#define SMART_READ_LOG        0xd5

#define SMART_WRITE_LOG       0xd6

#define SMART_ENABLE          0xd8

#define SMART_DISABLE         0xd9

#define SMART_STATUS          0xda

typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;

typedef void EndTransferFunc(IDEState *);

typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockDriverCompletionFunc *);

typedef int DMAFunc(IDEDMA *);

typedef int DMAIntFunc(IDEDMA *, int);

typedef void DMARestartFunc(void *, int, RunState);

struct unreported_events {

    bool eject_request;

    bool new_media;

};

enum ide_dma_cmd {

    IDE_DMA_READ,

    IDE_DMA_WRITE,

    IDE_DMA_TRIM,

};

#define ide_cmd_is_read(s) \

        ((s)->dma_cmd == IDE_DMA_READ)

/* NOTE: IDEState represents in fact one drive */

struct IDEState {

    IDEBus *bus;

    uint8_t unit;

    /* ide config */

    IDEDriveKind drive_kind;

    int cylinders, heads, sectors, chs_trans;

    int64_t nb_sectors;

    int mult_sectors;

    int identify_set;

    uint8_t identify_data[512];

    int drive_serial;

    char drive_serial_str[21];

    char drive_model_str[41];

    uint64_t wwn;

    /* ide regs */

    uint8_t feature;

    uint8_t error;

    uint32_t nsector;

    uint8_t sector;

    uint8_t lcyl;

    uint8_t hcyl;

    /* other part of tf for lba48 support */

    uint8_t hob_feature;

    uint8_t hob_nsector;

    uint8_t hob_sector;

    uint8_t hob_lcyl;

    uint8_t hob_hcyl;

    uint8_t select;

    uint8_t status;

    /* set for lba48 access */

    uint8_t lba48;

    BlockDriverState *bs;

    char version[9];

    /* ATAPI specific */

    struct unreported_events events;

    uint8_t sense_key;

    uint8_t asc;

    bool tray_open;

    bool tray_locked;

    uint8_t cdrom_changed;

    int packet_transfer_size;

    int elementary_transfer_size;

    int io_buffer_index;

    int lba;

    int cd_sector_size;

    int atapi_dma; /* true if dma is requested for the packet cmd */

    BlockAcctCookie acct;

    BlockDriverAIOCB *pio_aiocb;

    struct iovec iov;

    QEMUIOVector qiov;

    /* ATA DMA state */

    int io_buffer_offset;

    int io_buffer_size;

    QEMUSGList sg;

    /* PIO transfer handling */

    int req_nb_sectors; /* number of sectors per interrupt */

    EndTransferFunc *end_transfer_func;

    uint8_t *data_ptr;

    uint8_t *data_end;

    uint8_t *io_buffer;

    /* PIO save/restore */

    int32_t io_buffer_total_len;

    int cur_io_buffer_offset;

    int cur_io_buffer_len;

    uint8_t end_transfer_fn_idx;

    QEMUTimer *sector_write_timer; /* only used for win2k install hack */

    uint32_t irq_count; /* counts IRQs when using win2k install hack */

    /* CF-ATA extended error */

    uint8_t ext_error;

    /* CF-ATA metadata storage */

    uint32_t mdata_size;

    uint8_t *mdata_storage;

    int media_changed;

    enum ide_dma_cmd dma_cmd;

    /* SMART */

    uint8_t smart_enabled;

    uint8_t smart_autosave;

    int smart_errors;

    uint8_t smart_selftest_count;

    uint8_t *smart_selftest_data;

    /* AHCI */

    int ncq_queues;

};

struct IDEDMAOps {

    DMAStartFunc *start_dma;

    DMAFunc *start_transfer;

    DMAIntFunc *prepare_buf;

    DMAIntFunc *rw_buf;

    DMAIntFunc *set_unit;

    DMAIntFunc *add_status;

    DMAFunc *set_inactive;

    DMARestartFunc *restart_cb;

    DMAFunc *reset;

};

struct IDEDMA {

    const struct IDEDMAOps *ops;

    struct iovec iov;

    QEMUIOVector qiov;

    BlockDriverAIOCB *aiocb;

};

struct IDEBus {

    BusState qbus;

    IDEDevice *master;

    IDEDevice *slave;

    IDEState ifs[2];

    int bus_id;

    IDEDMA *dma;

    uint8_t unit;

    uint8_t cmd;

    qemu_irq irq;

    int error_status;

};

#define TYPE_IDE_DEVICE "ide-device"

#define IDE_DEVICE(obj) \

     OBJECT_CHECK(IDEDevice, (obj), TYPE_IDE_DEVICE)

#define IDE_DEVICE_CLASS(klass) \

     OBJECT_CLASS_CHECK(IDEDeviceClass, (klass), TYPE_IDE_DEVICE)

#define IDE_DEVICE_GET_CLASS(obj) \

     OBJECT_GET_CLASS(IDEDeviceClass, (obj), TYPE_IDE_DEVICE)

typedef struct IDEDeviceClass {

    DeviceClass parent_class;

    int (*init)(IDEDevice *dev);

} IDEDeviceClass;

struct IDEDevice {

    DeviceState qdev;

    uint32_t unit;

    BlockConf conf;

    int chs_trans;

    char *version;

    char *serial;

    char *model;

    uint64_t wwn;

};

#define BM_STATUS_DMAING 0x01

#define BM_STATUS_ERROR  0x02

#define BM_STATUS_INT    0x04

/* FIXME These are not status register bits */

#define BM_STATUS_DMA_RETRY  0x08

#define BM_STATUS_PIO_RETRY  0x10

#define BM_STATUS_RETRY_READ  0x20

#define BM_STATUS_RETRY_FLUSH 0x40

#define BM_STATUS_RETRY_TRIM 0x80

#define BM_MIGRATION_COMPAT_STATUS_BITS \

        (BM_STATUS_DMA_RETRY | BM_STATUS_PIO_RETRY | \

        BM_STATUS_RETRY_READ | BM_STATUS_RETRY_FLUSH)

#define BM_CMD_START     0x01

#define BM_CMD_READ      0x08

static inline IDEState *idebus_active_if(IDEBus *bus)

{

    return bus->ifs + bus->unit;

}

static inline void ide_set_irq(IDEBus *bus)

{

    if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {

        qemu_irq_raise(bus->irq);

    }

}

/* hw/ide/core.c */

extern const VMStateDescription vmstate_ide_bus;

#define VMSTATE_IDE_BUS(_field, _state)                          \

    VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)

#define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \

    VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)

extern const VMStateDescription vmstate_ide_drive;

#define VMSTATE_IDE_DRIVES(_field, _state) \

    VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)

void ide_bus_reset(IDEBus *bus);

int64_t ide_get_sector(IDEState *s);

void ide_set_sector(IDEState *s, int64_t sector_num);

void ide_dma_error(IDEState *s);

void ide_atapi_cmd_ok(IDEState *s);

void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);

void ide_atapi_io_error(IDEState *s, int ret);

void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);

uint32_t ide_ioport_read(void *opaque, uint32_t addr1);

uint32_t ide_status_read(void *opaque, uint32_t addr);

void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);

void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);

uint32_t ide_data_readw(void *opaque, uint32_t addr);

void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);

uint32_t ide_data_readl(void *opaque, uint32_t addr);

int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,

                   const char *version, const char *serial, const char *model,

                   uint64_t wwn,

                   uint32_t cylinders, uint32_t heads, uint32_t secs,

                   int chs_trans);

void ide_init2(IDEBus *bus, qemu_irq irq);

void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,

                                    DriveInfo *hd1, qemu_irq irq);

void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);

void ide_exec_cmd(IDEBus *bus, uint32_t val);

void ide_dma_cb(void *opaque, int ret);

void ide_sector_write(IDEState *s);

void ide_sector_read(IDEState *s);

void ide_flush_cache(IDEState *s);

void ide_transfer_start(IDEState *s, uint8_t *buf, int size,

                        EndTransferFunc *end_transfer_func);

void ide_transfer_stop(IDEState *s);

void ide_set_inactive(IDEState *s);

BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs,

        int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,

        BlockDriverCompletionFunc *cb, void *opaque);

/* hw/ide/atapi.c */

void ide_atapi_cmd(IDEState *s);

void ide_atapi_cmd_reply_end(IDEState *s);

/* hw/ide/qdev.c */

void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id);

IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);

#endif /* HW_IDE_INTERNAL_H */