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xemu/hw/ide/internal.h
Stefan Hajnoczi bef0fd5958 ide: convert ide_sector_read() to asynchronous I/O 
The IDE PIO interface currently uses bdrv_read() to perform reads
synchronously.  Synchronous I/O in the vcpu thread is bad because it
prevents the guest from executing code - it makes the guest
unresponsive.

This patch converts IDE PIO to use bdrv_aio_readv().  We simply need to
use the BUSY_STAT status so the guest knows to wait while we are busy.

The only external user of ide_sector_read() is restart behavior on I/O
errors and it is not affected by this change.  We still need to restart
I/O in the same way.

Migration is also unaffected if I understand the code correctly.  We
continue to use the same transfer function and the BUSY_STAT status
should never be migrated since we flush I/O before migrating device
state.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Tested-by: Richard Davies <richard@arachsys.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-19 16:03:27 +02:00

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#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.h>
#include "iorange.h"
#include "dma.h"
#include "sysemu.h"
#include "hw/scsi-defs.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;
/* 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;
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_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;
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);
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 */
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