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-rw-r--r--qemu/hw/ide/internal.h583
1 files changed, 583 insertions, 0 deletions
diff --git a/qemu/hw/ide/internal.h b/qemu/hw/ide/internal.h
new file mode 100644
index 000000000..30fdcbc5f
--- /dev/null
+++ b/qemu/hw/ide/internal.h
@@ -0,0 +1,583 @@
+#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 "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_NO_SEEK_COMPLETE 0x02
+#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_DATA_PHASE_ERROR 0x4b
+#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 *, BlockCompletionFunc *);
+typedef void DMAVoidFunc(IDEDMA *);
+typedef int DMAIntFunc(IDEDMA *, int);
+typedef int32_t DMAInt32Func(IDEDMA *, int32_t len);
+typedef void DMAu32Func(IDEDMA *, uint32_t);
+typedef void DMAStopFunc(IDEDMA *, bool);
+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;
+ BlockBackend *blk;
+ 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;
+ int32_t io_buffer_index;
+ int lba;
+ int cd_sector_size;
+ int atapi_dma; /* true if dma is requested for the packet cmd */
+ BlockAcctCookie acct;
+ BlockAIOCB *pio_aiocb;
+ struct iovec iov;
+ QEMUIOVector qiov;
+ /* ATA DMA state */
+ int32_t io_buffer_offset;
+ int32_t 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;
+ int32_t cur_io_buffer_offset;
+ int32_t 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;
+ DMAVoidFunc *start_transfer;
+ DMAInt32Func *prepare_buf;
+ DMAu32Func *commit_buf;
+ DMAIntFunc *rw_buf;
+ DMAVoidFunc *restart;
+ DMAVoidFunc *restart_dma;
+ DMAStopFunc *set_inactive;
+ DMAVoidFunc *cmd_done;
+ DMAVoidFunc *reset;
+};
+
+struct IDEDMA {
+ const struct IDEDMAOps *ops;
+ struct iovec iov;
+ QEMUIOVector qiov;
+ BlockAIOCB *aiocb;
+};
+
+struct IDEBus {
+ BusState qbus;
+ IDEDevice *master;
+ IDEDevice *slave;
+ IDEState ifs[2];
+ QEMUBH *bh;
+
+ int bus_id;
+ int max_units;
+ IDEDMA *dma;
+ uint8_t unit;
+ uint8_t cmd;
+ qemu_irq irq;
+
+ int error_status;
+ uint8_t retry_unit;
+ int64_t retry_sector_num;
+ uint32_t retry_nsector;
+};
+
+#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;
+};
+
+/* These are used for the error_status field of IDEBus */
+#define IDE_RETRY_DMA 0x08
+#define IDE_RETRY_PIO 0x10
+#define IDE_RETRY_READ 0x20
+#define IDE_RETRY_FLUSH 0x40
+#define IDE_RETRY_TRIM 0x80
+#define IDE_RETRY_HBA 0x100
+
+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)
+
+#define VMSTATE_IDE_DRIVE(_field, _state) \
+ VMSTATE_STRUCT(_field, _state, 1, 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_start_dma(IDEState *s, BlockCompletionFunc *cb);
+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_dma_restart(IDEState *s);
+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, BlockBackend *blk, 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_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
+void ide_register_restart_cb(IDEBus *bus);
+
+void ide_exec_cmd(IDEBus *bus, uint32_t val);
+
+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, bool more);
+BlockAIOCB *ide_issue_trim(BlockBackend *blk,
+ int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
+ BlockCompletionFunc *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, size_t idebus_size, DeviceState *dev,
+ int bus_id, int max_units);
+IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
+
+#endif /* HW_IDE_INTERNAL_H */