[qemu.git] / hw / ide / internal.h

#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>

/* 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 IDEDeviceInfo IDEDeviceInfo;
typedef struct IDEState IDEState;
typedef struct BMDMAState BMDMAState;

/* 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

/* ATA/ATAPI Commands pre T13 Spec */
#define WIN_NOP				0x00
/*
 *	0x01->0x02 Reserved
 */
#define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
/*
 *	0x04->0x07 Reserved
 */
#define WIN_SRST			0x08 /* ATAPI soft reset command */
#define WIN_DEVICE_RESET		0x08
/*
 *	0x09->0x0F Reserved
 */
#define WIN_RECAL			0x10
#define WIN_RESTORE			WIN_RECAL
/*
 *	0x10->0x1F Reserved
 */
#define WIN_READ			0x20 /* 28-Bit */
#define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
#define WIN_READ_LONG			0x22 /* 28-Bit */
#define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
#define WIN_READ_EXT			0x24 /* 48-Bit */
#define WIN_READDMA_EXT			0x25 /* 48-Bit */
#define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
#define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
/*
 *	0x28
 */
#define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
/*
 *	0x2A->0x2F Reserved
 */
#define WIN_WRITE			0x30 /* 28-Bit */
#define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
#define WIN_WRITE_LONG			0x32 /* 28-Bit */
#define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
#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 */
#define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
#define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
/*
 *	0x3A->0x3B Reserved
 */
#define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
/*
 *	0x3D->0x3F Reserved
 */
#define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
#define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
#define WIN_VERIFY_EXT			0x42 /* 48-Bit */
/*
 *	0x43->0x4F Reserved
 */
#define WIN_FORMAT			0x50
/*
 *	0x51->0x5F Reserved
 */
#define WIN_INIT			0x60
/*
 *	0x61->0x5F Reserved
 */
#define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
#define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
#define WIN_DIAGNOSE			0x90
#define WIN_SPECIFY			0x91 /* set drive geometry translation */
#define WIN_DOWNLOAD_MICROCODE		0x92
#define WIN_STANDBYNOW2			0x94
#define CFA_IDLEIMMEDIATE		0x95 /* force drive to become "ready" */
#define WIN_STANDBY2			0x96
#define WIN_SETIDLE2			0x97
#define WIN_CHECKPOWERMODE2		0x98
#define WIN_SLEEPNOW2			0x99
/*
 *	0x9A VENDOR
 */
#define WIN_PACKETCMD			0xA0 /* Send a packet command. */
#define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
#define WIN_QUEUED_SERVICE		0xA2
#define WIN_SMART			0xB0 /* self-monitoring and reporting */
#define CFA_ACCESS_METADATA_STORAGE	0xB8
#define CFA_ERASE_SECTORS       	0xC0 /* microdrives implement as NOP */
#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 */
#define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
#define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
#define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
#define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
#define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
#define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
#define WIN_GETMEDIASTATUS		0xDA
#define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
#define WIN_POSTBOOT			0xDC
#define WIN_PREBOOT			0xDD
#define WIN_DOORLOCK			0xDE /* lock door on removable drives */
#define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
#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 */
#define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
	/* SET_FEATURES 0x22 or 0xDD */
#define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
#define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
#define WIN_MEDIAEJECT			0xED
#define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
#define WIN_SETFEATURES			0xEF /* set special drive features */
#define EXABYTE_ENABLE_NEST		0xF0
#define IBM_SENSE_CONDITION		0xF0 /* measure disk temperature */
#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 */
#define WIN_SECURITY_DISABLE		0xF6
#define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
#define WIN_SET_MAX			0xF9
#define DISABLE_SEAGATE			0xFB

/* set to 1 set disable mult support */
#define MAX_MULT_SECTORS 16

#define IDE_DMA_BUF_SECTORS 256

#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

/* Mode page codes for mode sense/set */
#define GPMODE_R_W_ERROR_PAGE		0x01
#define GPMODE_WRITE_PARMS_PAGE		0x05
#define GPMODE_AUDIO_CTL_PAGE		0x0e
#define GPMODE_POWER_PAGE		0x1a
#define GPMODE_FAULT_FAIL_PAGE		0x1c
#define GPMODE_TO_PROTECT_PAGE		0x1d
#define GPMODE_CAPABILITIES_PAGE	0x2a
#define GPMODE_ALL_PAGES		0x3f
/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
 * of MODE_SENSE_POWER_PAGE */
#define GPMODE_CDROM_PAGE		0x0d

/*
 * Based on values from <linux/cdrom.h> but extending CD_MINS
 * to the maximum common size allowed by the Orange's Book ATIP
 *
 * 90 and 99 min CDs are also available but using them as the
 * upper limit reduces the effectiveness of the heuristic to
 * detect DVDs burned to less than 25% of their maximum capacity
 */

/* Some generally useful CD-ROM information */
#define CD_MINS                       80 /* max. minutes per CD */
#define CD_SECS                       60 /* seconds per minute */
#define CD_FRAMES                     75 /* frames per second */
#define CD_FRAMESIZE                2048 /* bytes per frame, "cooked" mode */
#define CD_MAX_BYTES       (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
#define CD_MAX_SECTORS     (CD_MAX_BYTES / 512)

/*
 * The MMC values are not IDE specific and might need to be moved
 * to a common header if they are also needed for the SCSI emulation
 */

/* Profile list from MMC-6 revision 1 table 91 */
#define MMC_PROFILE_NONE                0x0000
#define MMC_PROFILE_CD_ROM              0x0008
#define MMC_PROFILE_CD_R                0x0009
#define MMC_PROFILE_CD_RW               0x000A
#define MMC_PROFILE_DVD_ROM             0x0010
#define MMC_PROFILE_DVD_R_SR            0x0011
#define MMC_PROFILE_DVD_RAM             0x0012
#define MMC_PROFILE_DVD_RW_RO           0x0013
#define MMC_PROFILE_DVD_RW_SR           0x0014
#define MMC_PROFILE_DVD_R_DL_SR         0x0015
#define MMC_PROFILE_DVD_R_DL_JR         0x0016
#define MMC_PROFILE_DVD_RW_DL           0x0017
#define MMC_PROFILE_DVD_DDR             0x0018
#define MMC_PROFILE_DVD_PLUS_RW         0x001A
#define MMC_PROFILE_DVD_PLUS_R          0x001B
#define MMC_PROFILE_DVD_PLUS_RW_DL      0x002A
#define MMC_PROFILE_DVD_PLUS_R_DL       0x002B
#define MMC_PROFILE_BD_ROM              0x0040
#define MMC_PROFILE_BD_R_SRM            0x0041
#define MMC_PROFILE_BD_R_RRM            0x0042
#define MMC_PROFILE_BD_RE               0x0043
#define MMC_PROFILE_HDDVD_ROM           0x0050
#define MMC_PROFILE_HDDVD_R             0x0051
#define MMC_PROFILE_HDDVD_RAM           0x0052
#define MMC_PROFILE_HDDVD_RW            0x0053
#define MMC_PROFILE_HDDVD_R_DL          0x0058
#define MMC_PROFILE_HDDVD_RW_DL         0x005A
#define MMC_PROFILE_INVALID             0xFFFF

#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 SENSE_NONE            0
#define SENSE_NOT_READY       2
#define SENSE_ILLEGAL_REQUEST 5
#define SENSE_UNIT_ATTENTION  6

#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 void EndTransferFunc(IDEState *);

/* NOTE: IDEState represents in fact one drive */
struct IDEState {
    IDEBus *bus;
    uint8_t unit;
    /* ide config */
    int is_cdrom;
    int is_cf;
    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];
    /* 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;
    /* ATAPI specific */
    uint8_t sense_key;
    uint8_t asc;
    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 */
    /* 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;
    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;
    /* for pmac */
    int is_read;
    /* SMART */
    uint8_t smart_enabled;
    uint8_t smart_autosave;
    int smart_errors;
    uint8_t smart_selftest_count;
    uint8_t *smart_selftest_data;
};

struct IDEBus {
    BusState qbus;
    IDEDevice *master;
    IDEDevice *slave;
    BMDMAState *bmdma;
    IDEState ifs[2];
    uint8_t unit;
    uint8_t cmd;
    qemu_irq irq;
};

struct IDEDevice {
    DeviceState qdev;
    uint32_t unit;
    DriveInfo *dinfo;
};

typedef int (*ide_qdev_initfn)(IDEDevice *dev);
struct IDEDeviceInfo {
    DeviceInfo qdev;
    ide_qdev_initfn init;
    uint32_t unit;
    DriveInfo *drive;
};

#define BM_STATUS_DMAING 0x01
#define BM_STATUS_ERROR  0x02
#define BM_STATUS_INT    0x04
#define BM_STATUS_DMA_RETRY  0x08
#define BM_STATUS_PIO_RETRY  0x10

#define BM_CMD_START     0x01
#define BM_CMD_READ      0x08

struct BMDMAState {
    uint8_t cmd;
    uint8_t status;
    uint32_t addr;

    IDEBus *bus;
    /* current transfer state */
    uint32_t cur_addr;
    uint32_t cur_prd_last;
    uint32_t cur_prd_addr;
    uint32_t cur_prd_len;
    uint8_t unit;
    BlockDriverCompletionFunc *dma_cb;
    BlockDriverAIOCB *aiocb;
    struct iovec iov;
    QEMUIOVector qiov;
    int64_t sector_num;
    uint32_t nsector;
    QEMUBH *bh;
};

static inline IDEState *idebus_active_if(IDEBus *bus)
{
    return bus->ifs + bus->unit;
}

static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
{
    assert(bmdma->unit != (uint8_t)-1);
    return bmdma->bus->ifs + bmdma->unit;
}

static inline void ide_set_irq(IDEBus *bus)
{
    BMDMAState *bm = bus->bmdma;
    if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
        if (bm) {
            bm->status |= BM_STATUS_INT;
        }
        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)

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_save(QEMUFile* f, IDEState *s);
void ide_load(QEMUFile* f, IDEState *s, int version_id);
void idebus_save(QEMUFile* f, IDEBus *bus);
void idebus_load(QEMUFile* f, IDEBus *bus, int version_id);

void ide_reset(IDEState *s);
int64_t ide_get_sector(IDEState *s);
void ide_set_sector(IDEState *s, int64_t sector_num);

void ide_dma_cancel(BMDMAState *bm);
void ide_dma_restart_cb(void *opaque, int running, int reason);
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);

void ide_init_drive(IDEState *s, DriveInfo *dinfo);
void ide_init2(IDEBus *bus, DriveInfo *hd0, DriveInfo *hd1,
               qemu_irq irq);
void ide_init_ioport(IDEBus *bus, int iobase, int iobase2);

/* hw/ide/qdev.c */
void ide_bus_new(IDEBus *idebus, DeviceState *dev);
IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);

#endif /* HW_IDE_INTERNAL_H */
Commit	Line	Data
356721ae GH	1	#ifndef HW_IDE_INTERNAL_H
	2	#define HW_IDE_INTERNAL_H
	3
	4	/*
	5	* QEMU IDE Emulation -- internal header file
59f2a787	6	* only files in hw/ide/ are supposed to include this file.
356721ae GH	7	* non-internal declarations are in hw/ide.h
356721ae GH	8	*/
59f2a787	9	#include <hw/ide.h>
356721ae GH	10
	11	/* debug IDE devices */
	12	//#define DEBUG_IDE
	13	//#define DEBUG_IDE_ATAPI
	14	//#define DEBUG_AIO
	15	#define USE_DMA_CDROM
	16
	17	typedef struct IDEBus IDEBus;
da4d0419 GH	18	typedef struct IDEDevice IDEDevice;
da4d0419 GH	19	typedef struct IDEDeviceInfo IDEDeviceInfo;
356721ae GH	20	typedef struct IDEState IDEState;
	21	typedef struct BMDMAState BMDMAState;
	22
356721ae GH	23	/* Bits of HD_STATUS */
	24	#define ERR_STAT 0x01
	25	#define INDEX_STAT 0x02
	26	#define ECC_STAT 0x04 /* Corrected error */
	27	#define DRQ_STAT 0x08
	28	#define SEEK_STAT 0x10
	29	#define SRV_STAT 0x10
	30	#define WRERR_STAT 0x20
	31	#define READY_STAT 0x40
	32	#define BUSY_STAT 0x80
	33
	34	/* Bits for HD_ERROR */
	35	#define MARK_ERR 0x01 /* Bad address mark */
	36	#define TRK0_ERR 0x02 /* couldn't find track 0 */
	37	#define ABRT_ERR 0x04 /* Command aborted */
	38	#define MCR_ERR 0x08 /* media change request */
	39	#define ID_ERR 0x10 /* ID field not found */
	40	#define MC_ERR 0x20 /* media changed */
	41	#define ECC_ERR 0x40 /* Uncorrectable ECC error */
	42	#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
	43	#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
	44
	45	/* Bits of HD_NSECTOR */
	46	#define CD 0x01
	47	#define IO 0x02
	48	#define REL 0x04
	49	#define TAG_MASK 0xf8
	50
	51	#define IDE_CMD_RESET 0x04
	52	#define IDE_CMD_DISABLE_IRQ 0x02
	53
	54	/* ATA/ATAPI Commands pre T13 Spec */
	55	#define WIN_NOP 0x00
	56	/*
	57	* 0x01->0x02 Reserved
	58	*/
	59	#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
	60	/*
	61	* 0x04->0x07 Reserved
	62	*/
	63	#define WIN_SRST 0x08 /* ATAPI soft reset command */
	64	#define WIN_DEVICE_RESET 0x08
	65	/*
	66	* 0x09->0x0F Reserved
	67	*/
	68	#define WIN_RECAL 0x10
	69	#define WIN_RESTORE WIN_RECAL
	70	/*
	71	* 0x10->0x1F Reserved
	72	*/
	73	#define WIN_READ 0x20 /* 28-Bit */
	74	#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
	75	#define WIN_READ_LONG 0x22 /* 28-Bit */
	76	#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
	77	#define WIN_READ_EXT 0x24 /* 48-Bit */
	78	#define WIN_READDMA_EXT 0x25 /* 48-Bit */
	79	#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
	80	#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
	81	/*
	82	* 0x28
	83	*/
	84	#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
	85	/*
	86	* 0x2A->0x2F Reserved
87	*/
88	#define WIN_WRITE 0x30 /* 28-Bit */
89	#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
90	#define WIN_WRITE_LONG 0x32 /* 28-Bit */
91	#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
92	#define WIN_WRITE_EXT 0x34 /* 48-Bit */
93	#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
94	#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
95	#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
96	#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
97	#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
98	/*
99	* 0x3A->0x3B Reserved
100	*/
101	#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
102	/*
103	* 0x3D->0x3F Reserved
104	*/
105	#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
106	#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
107	#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
108	/*
109	* 0x43->0x4F Reserved
110	*/
111	#define WIN_FORMAT 0x50
112	/*
113	* 0x51->0x5F Reserved
114	*/
115	#define WIN_INIT 0x60
116	/*
117	* 0x61->0x5F Reserved
118	*/
119	#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
120	#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
121	#define WIN_DIAGNOSE 0x90
122	#define WIN_SPECIFY 0x91 /* set drive geometry translation */
123	#define WIN_DOWNLOAD_MICROCODE 0x92
124	#define WIN_STANDBYNOW2 0x94
125	#define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
126	#define WIN_STANDBY2 0x96
127	#define WIN_SETIDLE2 0x97
128	#define WIN_CHECKPOWERMODE2 0x98
129	#define WIN_SLEEPNOW2 0x99
130	/*
131	* 0x9A VENDOR
132	*/
133	#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
134	#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
135	#define WIN_QUEUED_SERVICE 0xA2
136	#define WIN_SMART 0xB0 /* self-monitoring and reporting */
137	#define CFA_ACCESS_METADATA_STORAGE 0xB8
138	#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
139	#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
140	#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
141	#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
142	#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
143	#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
144	#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
145	#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
146	#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
147	#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
148	#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
149	#define WIN_GETMEDIASTATUS 0xDA
150	#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
151	#define WIN_POSTBOOT 0xDC
152	#define WIN_PREBOOT 0xDD
153	#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
154	#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
155	#define WIN_STANDBYNOW1 0xE0
156	#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
157	#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
158	#define WIN_SETIDLE1 0xE3
159	#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
160	#define WIN_CHECKPOWERMODE1 0xE5
161	#define WIN_SLEEPNOW1 0xE6
162	#define WIN_FLUSH_CACHE 0xE7
163	#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
164	#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
165	/* SET_FEATURES 0x22 or 0xDD */
166	#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
167	#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
168	#define WIN_MEDIAEJECT 0xED
169	#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
170	#define WIN_SETFEATURES 0xEF /* set special drive features */
171	#define EXABYTE_ENABLE_NEST 0xF0
172	#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
173	#define WIN_SECURITY_SET_PASS 0xF1
174	#define WIN_SECURITY_UNLOCK 0xF2
175	#define WIN_SECURITY_ERASE_PREPARE 0xF3
176	#define WIN_SECURITY_ERASE_UNIT 0xF4
177	#define WIN_SECURITY_FREEZE_LOCK 0xF5
178	#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */
179	#define WIN_SECURITY_DISABLE 0xF6
180	#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
181	#define WIN_SET_MAX 0xF9
182	#define DISABLE_SEAGATE 0xFB
183
184	/* set to 1 set disable mult support */
185	#define MAX_MULT_SECTORS 16
186
187	#define IDE_DMA_BUF_SECTORS 256
188
189	#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
190	#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
191	#endif
192
193	/* ATAPI defines */
194
195	#define ATAPI_PACKET_SIZE 12
196
197	/* The generic packet command opcodes for CD/DVD Logical Units,
198	* From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
199	#define GPCMD_BLANK 0xa1
200	#define GPCMD_CLOSE_TRACK 0x5b
201	#define GPCMD_FLUSH_CACHE 0x35
202	#define GPCMD_FORMAT_UNIT 0x04
203	#define GPCMD_GET_CONFIGURATION 0x46
204	#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
205	#define GPCMD_GET_PERFORMANCE 0xac
206	#define GPCMD_INQUIRY 0x12
207	#define GPCMD_LOAD_UNLOAD 0xa6
208	#define GPCMD_MECHANISM_STATUS 0xbd
209	#define GPCMD_MODE_SELECT_10 0x55
210	#define GPCMD_MODE_SENSE_10 0x5a
211	#define GPCMD_PAUSE_RESUME 0x4b
212	#define GPCMD_PLAY_AUDIO_10 0x45
213	#define GPCMD_PLAY_AUDIO_MSF 0x47
214	#define GPCMD_PLAY_AUDIO_TI 0x48
215	#define GPCMD_PLAY_CD 0xbc
216	#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
217	#define GPCMD_READ_10 0x28
218	#define GPCMD_READ_12 0xa8
219	#define GPCMD_READ_CDVD_CAPACITY 0x25
220	#define GPCMD_READ_CD 0xbe
221	#define GPCMD_READ_CD_MSF 0xb9
222	#define GPCMD_READ_DISC_INFO 0x51
223	#define GPCMD_READ_DVD_STRUCTURE 0xad
224	#define GPCMD_READ_FORMAT_CAPACITIES 0x23
225	#define GPCMD_READ_HEADER 0x44
226	#define GPCMD_READ_TRACK_RZONE_INFO 0x52
227	#define GPCMD_READ_SUBCHANNEL 0x42
228	#define GPCMD_READ_TOC_PMA_ATIP 0x43
229	#define GPCMD_REPAIR_RZONE_TRACK 0x58
230	#define GPCMD_REPORT_KEY 0xa4
231	#define GPCMD_REQUEST_SENSE 0x03
232	#define GPCMD_RESERVE_RZONE_TRACK 0x53
233	#define GPCMD_SCAN 0xba
234	#define GPCMD_SEEK 0x2b
235	#define GPCMD_SEND_DVD_STRUCTURE 0xad
236	#define GPCMD_SEND_EVENT 0xa2
237	#define GPCMD_SEND_KEY 0xa3
238	#define GPCMD_SEND_OPC 0x54
239	#define GPCMD_SET_READ_AHEAD 0xa7
240	#define GPCMD_SET_STREAMING 0xb6
241	#define GPCMD_START_STOP_UNIT 0x1b
242	#define GPCMD_STOP_PLAY_SCAN 0x4e
243	#define GPCMD_TEST_UNIT_READY 0x00
244	#define GPCMD_VERIFY_10 0x2f
245	#define GPCMD_WRITE_10 0x2a
246	#define GPCMD_WRITE_AND_VERIFY_10 0x2e
247	/* This is listed as optional in ATAPI 2.6, but is (curiously)
248	* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
249	* Table 377 as an MMC command for SCSi devices though... Most ATAPI
250	* drives support it. */
251	#define GPCMD_SET_SPEED 0xbb
252	/* This seems to be a SCSI specific CD-ROM opcode
253	* to play data at track/index */
254	#define GPCMD_PLAYAUDIO_TI 0x48
255	/*
256	* From MS Media Status Notification Support Specification. For
257	* older drives only.
258	*/
259	#define GPCMD_GET_MEDIA_STATUS 0xda
260	#define GPCMD_MODE_SENSE_6 0x1a
261
262	/* Mode page codes for mode sense/set */
263	#define GPMODE_R_W_ERROR_PAGE 0x01
264	#define GPMODE_WRITE_PARMS_PAGE 0x05
265	#define GPMODE_AUDIO_CTL_PAGE 0x0e
266	#define GPMODE_POWER_PAGE 0x1a
267	#define GPMODE_FAULT_FAIL_PAGE 0x1c
268	#define GPMODE_TO_PROTECT_PAGE 0x1d
269	#define GPMODE_CAPABILITIES_PAGE 0x2a
270	#define GPMODE_ALL_PAGES 0x3f
271	/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
272	* of MODE_SENSE_POWER_PAGE */
273	#define GPMODE_CDROM_PAGE 0x0d
274
275	/*
276	* Based on values from <linux/cdrom.h> but extending CD_MINS
277	* to the maximum common size allowed by the Orange's Book ATIP
278	*
279	* 90 and 99 min CDs are also available but using them as the
280	* upper limit reduces the effectiveness of the heuristic to
281	* detect DVDs burned to less than 25% of their maximum capacity
282	*/
283
284	/* Some generally useful CD-ROM information */
285	#define CD_MINS 80 /* max. minutes per CD */
286	#define CD_SECS 60 /* seconds per minute */
287	#define CD_FRAMES 75 /* frames per second */
288	#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
289	#define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
290	#define CD_MAX_SECTORS (CD_MAX_BYTES / 512)
291
292	/*
293	* The MMC values are not IDE specific and might need to be moved
294	* to a common header if they are also needed for the SCSI emulation
295	*/
296
297	/* Profile list from MMC-6 revision 1 table 91 */
298	#define MMC_PROFILE_NONE 0x0000
299	#define MMC_PROFILE_CD_ROM 0x0008
300	#define MMC_PROFILE_CD_R 0x0009
301	#define MMC_PROFILE_CD_RW 0x000A
302	#define MMC_PROFILE_DVD_ROM 0x0010
303	#define MMC_PROFILE_DVD_R_SR 0x0011
304	#define MMC_PROFILE_DVD_RAM 0x0012
305	#define MMC_PROFILE_DVD_RW_RO 0x0013
306	#define MMC_PROFILE_DVD_RW_SR 0x0014
307	#define MMC_PROFILE_DVD_R_DL_SR 0x0015
308	#define MMC_PROFILE_DVD_R_DL_JR 0x0016
309	#define MMC_PROFILE_DVD_RW_DL 0x0017
310	#define MMC_PROFILE_DVD_DDR 0x0018
311	#define MMC_PROFILE_DVD_PLUS_RW 0x001A
312	#define MMC_PROFILE_DVD_PLUS_R 0x001B
313	#define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A
314	#define MMC_PROFILE_DVD_PLUS_R_DL 0x002B
315	#define MMC_PROFILE_BD_ROM 0x0040
316	#define MMC_PROFILE_BD_R_SRM 0x0041
317	#define MMC_PROFILE_BD_R_RRM 0x0042
318	#define MMC_PROFILE_BD_RE 0x0043
319	#define MMC_PROFILE_HDDVD_ROM 0x0050
320	#define MMC_PROFILE_HDDVD_R 0x0051
321	#define MMC_PROFILE_HDDVD_RAM 0x0052
322	#define MMC_PROFILE_HDDVD_RW 0x0053
323	#define MMC_PROFILE_HDDVD_R_DL 0x0058
324	#define MMC_PROFILE_HDDVD_RW_DL 0x005A
325	#define MMC_PROFILE_INVALID 0xFFFF
326
327	#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
328	#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
329	#define ATAPI_INT_REASON_REL 0x04
330	#define ATAPI_INT_REASON_TAG 0xf8
331
332	/* same constants as bochs */
333	#define ASC_ILLEGAL_OPCODE 0x20
334	#define ASC_LOGICAL_BLOCK_OOR 0x21
335	#define ASC_INV_FIELD_IN_CMD_PACKET 0x24
336	#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
337	#define ASC_INCOMPATIBLE_FORMAT 0x30
338	#define ASC_MEDIUM_NOT_PRESENT 0x3a
339	#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
340	#define ASC_MEDIA_REMOVAL_PREVENTED 0x53
341
342	#define CFA_NO_ERROR 0x00
343	#define CFA_MISC_ERROR 0x09
344	#define CFA_INVALID_COMMAND 0x20
345	#define CFA_INVALID_ADDRESS 0x21
346	#define CFA_ADDRESS_OVERFLOW 0x2f
347
348	#define SENSE_NONE 0
349	#define SENSE_NOT_READY 2
350	#define SENSE_ILLEGAL_REQUEST 5
351	#define SENSE_UNIT_ATTENTION 6
352
353	#define SMART_READ_DATA 0xd0
354	#define SMART_READ_THRESH 0xd1
355	#define SMART_ATTR_AUTOSAVE 0xd2
356	#define SMART_SAVE_ATTR 0xd3
357	#define SMART_EXECUTE_OFFLINE 0xd4
358	#define SMART_READ_LOG 0xd5
359	#define SMART_WRITE_LOG 0xd6
360	#define SMART_ENABLE 0xd8
361	#define SMART_DISABLE 0xd9
362	#define SMART_STATUS 0xda
363
364	typedef void EndTransferFunc(IDEState *);
365
366	/* NOTE: IDEState represents in fact one drive */
367	struct IDEState {
368	IDEBus *bus;
369	uint8_t unit;
370	/* ide config */
371	int is_cdrom;
372	int is_cf;
373	int cylinders, heads, sectors;
374	int64_t nb_sectors;
375	int mult_sectors;
376	int identify_set;
96c35ceb	377	uint8_t identify_data[512];
356721ae GH	378	int drive_serial;
	379	char drive_serial_str[21];
	380	/* ide regs */
	381	uint8_t feature;
	382	uint8_t error;
	383	uint32_t nsector;
	384	uint8_t sector;
	385	uint8_t lcyl;
	386	uint8_t hcyl;
	387	/* other part of tf for lba48 support */
	388	uint8_t hob_feature;
	389	uint8_t hob_nsector;
	390	uint8_t hob_sector;
	391	uint8_t hob_lcyl;
	392	uint8_t hob_hcyl;
	393
	394	uint8_t select;
	395	uint8_t status;
	396
356721ae GH	397	/* set for lba48 access */
	398	uint8_t lba48;
	399	BlockDriverState *bs;
	400	/* ATAPI specific */
	401	uint8_t sense_key;
	402	uint8_t asc;
	403	uint8_t cdrom_changed;
	404	int packet_transfer_size;
	405	int elementary_transfer_size;
	406	int io_buffer_index;
	407	int lba;
	408	int cd_sector_size;
	409	int atapi_dma; /* true if dma is requested for the packet cmd */
	410	/* ATA DMA state */
	411	int io_buffer_size;
	412	QEMUSGList sg;
	413	/* PIO transfer handling */
	414	int req_nb_sectors; /* number of sectors per interrupt */
	415	EndTransferFunc *end_transfer_func;
	416	uint8_t *data_ptr;
	417	uint8_t *data_end;
	418	uint8_t *io_buffer;
	419	QEMUTimer sector_write_timer; / only used for win2k install hack */
	420	uint32_t irq_count; /* counts IRQs when using win2k install hack */
	421	/* CF-ATA extended error */
	422	uint8_t ext_error;
	423	/* CF-ATA metadata storage */
	424	uint32_t mdata_size;
	425	uint8_t *mdata_storage;
	426	int media_changed;
	427	/* for pmac */
	428	int is_read;
	429	/* SMART */
	430	uint8_t smart_enabled;
	431	uint8_t smart_autosave;
	432	int smart_errors;
	433	uint8_t smart_selftest_count;
	434	uint8_t *smart_selftest_data;
	435	};
	436
	437	struct IDEBus {
	438	BusState qbus;
da4d0419 GH	439	IDEDevice *master;
da4d0419 GH	440	IDEDevice *slave;
356721ae GH	441	BMDMAState *bmdma;
	442	IDEState ifs[2];
	443	uint8_t unit;
9cdd03a7 GH	444	uint8_t cmd;
9cdd03a7 GH	445	qemu_irq irq;
356721ae GH	446	};
356721ae GH	447
da4d0419 GH	448	struct IDEDevice {
	449	DeviceState qdev;
	450	uint32_t unit;
	451	DriveInfo *dinfo;
	452	};
	453
	454	typedef int (ide_qdev_initfn)(IDEDevice dev);
	455	struct IDEDeviceInfo {
	456	DeviceInfo qdev;
	457	ide_qdev_initfn init;
	458	uint32_t unit;
	459	DriveInfo *drive;
	460	};
	461
356721ae GH	462	#define BM_STATUS_DMAING 0x01
	463	#define BM_STATUS_ERROR 0x02
	464	#define BM_STATUS_INT 0x04
	465	#define BM_STATUS_DMA_RETRY 0x08
	466	#define BM_STATUS_PIO_RETRY 0x10
	467
	468	#define BM_CMD_START 0x01
	469	#define BM_CMD_READ 0x08
	470
	471	struct BMDMAState {
	472	uint8_t cmd;
	473	uint8_t status;
	474	uint32_t addr;
	475
356721ae GH	476	IDEBus *bus;
	477	/* current transfer state */
	478	uint32_t cur_addr;
	479	uint32_t cur_prd_last;
	480	uint32_t cur_prd_addr;
	481	uint32_t cur_prd_len;
	482	uint8_t unit;
	483	BlockDriverCompletionFunc *dma_cb;
	484	BlockDriverAIOCB *aiocb;
	485	struct iovec iov;
	486	QEMUIOVector qiov;
	487	int64_t sector_num;
	488	uint32_t nsector;
	489	QEMUBH *bh;
	490	};
	491
	492	static inline IDEState idebus_active_if(IDEBus bus)
	493	{
	494	return bus->ifs + bus->unit;
	495	}
	496
	497	static inline IDEState bmdma_active_if(BMDMAState bmdma)
	498	{
757506d2	499	assert(bmdma->unit != (uint8_t)-1);
356721ae GH	500	return bmdma->bus->ifs + bmdma->unit;
	501	}
	502
9cdd03a7	503	static inline void ide_set_irq(IDEBus *bus)
356721ae	504	{
9cdd03a7 GH	505	BMDMAState *bm = bus->bmdma;
9cdd03a7 GH	506	if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
356721ae GH	507	if (bm) {
	508	bm->status \|= BM_STATUS_INT;
	509	}
9cdd03a7	510	qemu_irq_raise(bus->irq);
356721ae GH	511	}
	512	}
	513
da4d0419	514	/* hw/ide/core.c */
b38436e3 JQ	515	extern const VMStateDescription vmstate_ide_bus;
	516
	517	#define VMSTATE_IDE_BUS(_field, _state) \
	518	VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
	519
	520	extern const VMStateDescription vmstate_ide_drive;
	521
	522	#define VMSTATE_IDE_DRIVES(_field, _state) \
	523	VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
	524
356721ae GH	525	void ide_save(QEMUFile* f, IDEState *s);
	526	void ide_load(QEMUFile* f, IDEState *s, int version_id);
	527	void idebus_save(QEMUFile* f, IDEBus *bus);
	528	void idebus_load(QEMUFile* f, IDEBus *bus, int version_id);
	529
	530	void ide_reset(IDEState *s);
	531	int64_t ide_get_sector(IDEState *s);
	532	void ide_set_sector(IDEState *s, int64_t sector_num);
	533
	534	void ide_dma_cancel(BMDMAState *bm);
	535	void ide_dma_restart_cb(void *opaque, int running, int reason);
	536	void ide_dma_error(IDEState *s);
	537
	538	void ide_atapi_cmd_ok(IDEState *s);
	539	void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
	540	void ide_atapi_io_error(IDEState *s, int ret);
	541
	542	void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
	543	uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
	544	uint32_t ide_status_read(void *opaque, uint32_t addr);
	545	void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
	546	void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
	547	uint32_t ide_data_readw(void *opaque, uint32_t addr);
	548	void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
	549	uint32_t ide_data_readl(void *opaque, uint32_t addr);
	550
88804180	551	void ide_init_drive(IDEState s, DriveInfo dinfo);
f455e98c	552	void ide_init2(IDEBus bus, DriveInfo hd0, DriveInfo *hd1,
356721ae GH	553	qemu_irq irq);
	554	void ide_init_ioport(IDEBus *bus, int iobase, int iobase2);
	555
da4d0419	556	/* hw/ide/qdev.c */
1f850f10	557	void ide_bus_new(IDEBus idebus, DeviceState dev);
da4d0419 GH	558	IDEDevice ide_create_drive(IDEBus bus, int unit, DriveInfo *drive);
da4d0419 GH	559
356721ae	560	#endif /* HW_IDE_INTERNAL_H */