hw/ide/internal.h

   1 #ifndef HW_IDE_INTERNAL_H
   2 #define HW_IDE_INTERNAL_H
   3
   4 /*
   5  * QEMU IDE Emulation -- internal header file
   6  * only files in hw/ide/ are supposed to include this file.
   7  * non-internal declarations are in hw/ide.h
   8  */
   9 #include <hw/ide.h>
  10 #include <hw/isa.h>
  11 #include "iorange.h"
  12 #include "dma.h"
  13 #include "sysemu.h"
  14 #include "hw/scsi-defs.h"
  15
  16 /* debug IDE devices */
  17 //#define DEBUG_IDE
  18 //#define DEBUG_IDE_ATAPI
  19 //#define DEBUG_AIO
  20 #define USE_DMA_CDROM
  21
  22 typedef struct IDEBus IDEBus;
  23 typedef struct IDEDevice IDEDevice;
  24 typedef struct IDEState IDEState;
  25 typedef struct IDEDMA IDEDMA;
  26 typedef struct IDEDMAOps IDEDMAOps;
  27
  28 /* Bits of HD_STATUS */
  29 #define ERR_STAT                0x01
  30 #define INDEX_STAT              0x02
  31 #define ECC_STAT                0x04    /* Corrected error */
  32 #define DRQ_STAT                0x08
  33 #define SEEK_STAT               0x10
  34 #define SRV_STAT                0x10
  35 #define WRERR_STAT              0x20
  36 #define READY_STAT              0x40
  37 #define BUSY_STAT               0x80
  38
  39 /* Bits for HD_ERROR */
  40 #define MARK_ERR                0x01    /* Bad address mark */
  41 #define TRK0_ERR                0x02    /* couldn't find track 0 */
  42 #define ABRT_ERR                0x04    /* Command aborted */
  43 #define MCR_ERR                 0x08    /* media change request */
  44 #define ID_ERR                  0x10    /* ID field not found */
  45 #define MC_ERR                  0x20    /* media changed */
  46 #define ECC_ERR                 0x40    /* Uncorrectable ECC error */
  47 #define BBD_ERR                 0x80    /* pre-EIDE meaning:  block marked bad */
  48 #define ICRC_ERR                0x80    /* new meaning:  CRC error during transfer */
  49
  50 /* Bits of HD_NSECTOR */
  51 #define CD                      0x01
  52 #define IO                      0x02
  53 #define REL                     0x04
  54 #define TAG_MASK                0xf8
  55
  56 #define IDE_CMD_RESET           0x04
  57 #define IDE_CMD_DISABLE_IRQ     0x02
  58
  59 /* ACS-2 T13/2015-D Table B.2 Command codes */
  60 #define WIN_NOP                         0x00
  61 /* reserved                             0x01..0x02 */
  62 #define CFA_REQ_EXT_ERROR_CODE          0x03 /* CFA Request Extended Error Code */
  63 /* reserved                             0x04..0x05 */
  64 #define WIN_DSM                         0x06
  65 /* reserved                             0x07 */
  66 #define WIN_DEVICE_RESET                0x08
  67 /* reserved                             0x09..0x0a */
  68 /* REQUEST SENSE DATA EXT               0x0B */
  69 /* reserved                             0x0C..0x0F */
  70 #define WIN_RECAL                       0x10 /* obsolete since ATA4 */
  71 /* obsolete since ATA3, retired in ATA4 0x11..0x1F */
  72 #define WIN_READ                        0x20 /* 28-Bit */
  73 #define WIN_READ_ONCE                   0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
  74 /* obsolete since ATA4                  0x22..0x23 */
  75 #define WIN_READ_EXT                    0x24 /* 48-Bit */
  76 #define WIN_READDMA_EXT                 0x25 /* 48-Bit */
  77 #define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit, obsolete since ACS2 */
  78 #define WIN_READ_NATIVE_MAX_EXT         0x27 /* 48-Bit */
  79 /* reserved                             0x28 */
  80 #define WIN_MULTREAD_EXT                0x29 /* 48-Bit */
  81 /* READ STREAM DMA EXT                  0x2A */
  82 /* READ STREAM EXT                      0x2B */
  83 /* reserved                             0x2C..0x2E */
  84 /* READ LOG EXT                         0x2F */
  85 #define WIN_WRITE                       0x30 /* 28-Bit */
  86 #define WIN_WRITE_ONCE                  0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
  87 /* obsolete since ATA4                  0x32..0x33 */
  88 #define WIN_WRITE_EXT                   0x34 /* 48-Bit */
  89 #define WIN_WRITEDMA_EXT                0x35 /* 48-Bit */
  90 #define WIN_WRITEDMA_QUEUED_EXT         0x36 /* 48-Bit */
  91 #define WIN_SET_MAX_EXT                 0x37 /* 48-Bit, obsolete since ACS2 */
  92 #define WIN_SET_MAX_EXT                 0x37 /* 48-Bit */
  93 #define CFA_WRITE_SECT_WO_ERASE         0x38 /* CFA Write Sectors without erase */
  94 #define WIN_MULTWRITE_EXT               0x39 /* 48-Bit */
  95 /* WRITE STREAM DMA EXT                 0x3A */
  96 /* WRITE STREAM EXT                     0x3B */
  97 #define WIN_WRITE_VERIFY                0x3C /* 28-Bit, obsolete since ATA4 */
  98 /* WRITE DMA FUA EXT                    0x3D */
  99 /* obsolete since ACS2                  0x3E */
 100 /* WRITE LOG EXT                        0x3F */
 101 #define WIN_VERIFY                      0x40 /* 28-Bit - Read Verify Sectors */
 102 #define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
 103 #define WIN_VERIFY_EXT                  0x42 /* 48-Bit */
 104 /* reserved                             0x43..0x44 */
 105 /* WRITE UNCORRECTABLE EXT              0x45 */
 106 /* reserved                             0x46 */
 107 /* READ LOG DMA EXT                     0x47 */
 108 /* reserved                             0x48..0x4F */
 109 /* obsolete since ATA4                  0x50 */
 110 /* CONFIGURE STREAM                     0x51 */
 111 /* reserved                             0x52..0x56 */
 112 /* WRITE LOG DMA EXT                    0x57 */
 113 /* reserved                             0x58..0x5A */
 114 /* TRUSTED NON DATA                     0x5B */
 115 /* TRUSTED RECEIVE                      0x5C */
 116 /* TRUSTED RECEIVE DMA                  0x5D */
 117 /* TRUSTED SEND                         0x5E */
 118 /* TRUSTED SEND DMA                     0x5F */
 119 /* READ FPDMA QUEUED                    0x60 */
 120 /* WRITE FPDMA QUEUED                   0x61 */
 121 /* reserved                             0x62->0x6F */
 122 #define WIN_SEEK                        0x70 /* obsolete since ATA7 */
 123 /* reserved                             0x71-0x7F */
 124 /* vendor specific                      0x80-0x86 */
 125 #define CFA_TRANSLATE_SECTOR            0x87 /* CFA Translate Sector */
 126 /* vendor specific                      0x88-0x8F */
 127 #define WIN_DIAGNOSE                    0x90
 128 #define WIN_SPECIFY                     0x91 /* set drive geometry translation, obsolete since ATA6 */
 129 #define WIN_DOWNLOAD_MICROCODE          0x92
 130 /* DOWNLOAD MICROCODE DMA               0x93 */
 131 #define WIN_STANDBYNOW2                 0x94 /* retired in ATA4 */
 132 #define WIN_IDLEIMMEDIATE2              0x95 /* force drive to become "ready", retired in ATA4 */
 133 #define WIN_STANDBY2                    0x96 /* retired in ATA4 */
 134 #define WIN_SETIDLE2                    0x97 /* retired in ATA4 */
 135 #define WIN_CHECKPOWERMODE2             0x98 /* retired in ATA4 */
 136 #define WIN_SLEEPNOW2                   0x99 /* retired in ATA4 */
 137 /* vendor specific                      0x9A */
 138 /* reserved                             0x9B..0x9F */
 139 #define WIN_PACKETCMD                   0xA0 /* Send a packet command. */
 140 #define WIN_PIDENTIFY                   0xA1 /* identify ATAPI device   */
 141 #define WIN_QUEUED_SERVICE              0xA2 /* obsolete since ACS2 */
 142 /* reserved                             0xA3..0xAF */
 143 #define WIN_SMART                       0xB0 /* self-monitoring and reporting */
 144 /* Device Configuration Overlay         0xB1 */
 145 /* reserved                             0xB2..0xB3 */
 146 /* Sanitize Device                      0xB4 */
 147 /* reserved                             0xB5 */
 148 /* NV Cache                             0xB6 */
 149 /* reserved for CFA                     0xB7..0xBB */
 150 #define CFA_ACCESS_METADATA_STORAGE     0xB8
 151 /* reserved                             0xBC..0xBF */
 152 #define CFA_ERASE_SECTORS               0xC0 /* microdrives implement as NOP */
 153 /* vendor specific                      0xC1..0xC3 */
 154 #define WIN_MULTREAD                    0xC4 /* read sectors using multiple mode*/
 155 #define WIN_MULTWRITE                   0xC5 /* write sectors using multiple mode */
 156 #define WIN_SETMULT                     0xC6 /* enable/disable multiple mode */
 157 #define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
 158 #define WIN_READDMA                     0xC8 /* read sectors using DMA transfers */
 159 #define WIN_READDMA_ONCE                0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
 160 #define WIN_WRITEDMA                    0xCA /* write sectors using DMA transfers */
 161 #define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
 162 #define WIN_WRITEDMA_QUEUED             0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
 163 #define CFA_WRITE_MULTI_WO_ERASE        0xCD /* CFA Write multiple without erase */
 164 /* WRITE MULTIPLE FUA EXT               0xCE */
 165 /* reserved                             0xCF..0xDO */
 166 /* CHECK MEDIA CARD TYPE                0xD1 */
 167 /* reserved for media card pass through 0xD2..0xD4 */
 168 /* reserved                             0xD5..0xD9 */
 169 #define WIN_GETMEDIASTATUS              0xDA /* obsolete since ATA8 */
 170 /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
 171 #define WIN_DOORLOCK                    0xDE /* lock door on removable drives, obsolete since ATA8 */
 172 #define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives, obsolete since ATA8 */
 173 #define WIN_STANDBYNOW1                 0xE0
 174 #define WIN_IDLEIMMEDIATE               0xE1 /* force drive to become "ready" */
 175 #define WIN_STANDBY                     0xE2 /* Set device in Standby Mode */
 176 #define WIN_SETIDLE1                    0xE3
 177 #define WIN_READ_BUFFER                 0xE4 /* force read only 1 sector */
 178 #define WIN_CHECKPOWERMODE1             0xE5
 179 #define WIN_SLEEPNOW1                   0xE6
 180 #define WIN_FLUSH_CACHE                 0xE7
 181 #define WIN_WRITE_BUFFER                0xE8 /* force write only 1 sector */
 182 /* READ BUFFER DMA                      0xE9 */
 183 #define WIN_FLUSH_CACHE_EXT             0xEA /* 48-Bit */
 184 /* WRITE BUFFER DMA                     0xEB */
 185 #define WIN_IDENTIFY                    0xEC /* ask drive to identify itself    */
 186 #define WIN_MEDIAEJECT                  0xED /* obsolete since ATA8 */
 187 /* obsolete since ATA4                  0xEE */
 188 #define WIN_SETFEATURES                 0xEF /* set special drive features */
 189 #define IBM_SENSE_CONDITION             0xF0 /* measure disk temperature, vendor specific */
 190 #define WIN_SECURITY_SET_PASS           0xF1
 191 #define WIN_SECURITY_UNLOCK             0xF2
 192 #define WIN_SECURITY_ERASE_PREPARE      0xF3
 193 #define WIN_SECURITY_ERASE_UNIT         0xF4
 194 #define WIN_SECURITY_FREEZE_LOCK        0xF5
 195 #define CFA_WEAR_LEVEL                  0xF5 /* microdrives implement as NOP; not specified in T13! */
 196 #define WIN_SECURITY_DISABLE            0xF6
 197 /* vendor specific                      0xF7 */
 198 #define WIN_READ_NATIVE_MAX             0xF8 /* return the native maximum address */
 199 #define WIN_SET_MAX                     0xF9
 200 /* vendor specific                      0xFA..0xFF */
 201
 202 /* set to 1 set disable mult support */
 203 #define MAX_MULT_SECTORS 16
 204
 205 #define IDE_DMA_BUF_SECTORS 256
 206
 207 /* feature values for Data Set Management */
 208 #define DSM_TRIM                        0x01
 209
 210 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
 211 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
 212 #endif
 213
 214 /* ATAPI defines */
 215
 216 #define ATAPI_PACKET_SIZE 12
 217
 218 /* The generic packet command opcodes for CD/DVD Logical Units,
 219  * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
 220 #define GPCMD_BLANK                         0xa1
 221 #define GPCMD_CLOSE_TRACK                   0x5b
 222 #define GPCMD_FLUSH_CACHE                   0x35
 223 #define GPCMD_FORMAT_UNIT                   0x04
 224 #define GPCMD_GET_CONFIGURATION             0x46
 225 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
 226 #define GPCMD_GET_PERFORMANCE               0xac
 227 #define GPCMD_INQUIRY                       0x12
 228 #define GPCMD_LOAD_UNLOAD                   0xa6
 229 #define GPCMD_MECHANISM_STATUS              0xbd
 230 #define GPCMD_MODE_SELECT_10                0x55
 231 #define GPCMD_MODE_SENSE_10                 0x5a
 232 #define GPCMD_PAUSE_RESUME                  0x4b
 233 #define GPCMD_PLAY_AUDIO_10                 0x45
 234 #define GPCMD_PLAY_AUDIO_MSF                0x47
 235 #define GPCMD_PLAY_AUDIO_TI                 0x48
 236 #define GPCMD_PLAY_CD                       0xbc
 237 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
 238 #define GPCMD_READ_10                       0x28
 239 #define GPCMD_READ_12                       0xa8
 240 #define GPCMD_READ_CDVD_CAPACITY            0x25
 241 #define GPCMD_READ_CD                       0xbe
 242 #define GPCMD_READ_CD_MSF                   0xb9
 243 #define GPCMD_READ_DISC_INFO                0x51
 244 #define GPCMD_READ_DVD_STRUCTURE            0xad
 245 #define GPCMD_READ_FORMAT_CAPACITIES        0x23
 246 #define GPCMD_READ_HEADER                   0x44
 247 #define GPCMD_READ_TRACK_RZONE_INFO         0x52
 248 #define GPCMD_READ_SUBCHANNEL               0x42
 249 #define GPCMD_READ_TOC_PMA_ATIP             0x43
 250 #define GPCMD_REPAIR_RZONE_TRACK            0x58
 251 #define GPCMD_REPORT_KEY                    0xa4
 252 #define GPCMD_REQUEST_SENSE                 0x03
 253 #define GPCMD_RESERVE_RZONE_TRACK           0x53
 254 #define GPCMD_SCAN                          0xba
 255 #define GPCMD_SEEK                          0x2b
 256 #define GPCMD_SEND_DVD_STRUCTURE            0xad
 257 #define GPCMD_SEND_EVENT                    0xa2
 258 #define GPCMD_SEND_KEY                      0xa3
 259 #define GPCMD_SEND_OPC                      0x54
 260 #define GPCMD_SET_READ_AHEAD                0xa7
 261 #define GPCMD_SET_STREAMING                 0xb6
 262 #define GPCMD_START_STOP_UNIT               0x1b
 263 #define GPCMD_STOP_PLAY_SCAN                0x4e
 264 #define GPCMD_TEST_UNIT_READY               0x00
 265 #define GPCMD_VERIFY_10                     0x2f
 266 #define GPCMD_WRITE_10                      0x2a
 267 #define GPCMD_WRITE_AND_VERIFY_10           0x2e
 268 /* This is listed as optional in ATAPI 2.6, but is (curiously)
 269  * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
 270  * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
 271  * drives support it. */
 272 #define GPCMD_SET_SPEED                     0xbb
 273 /* This seems to be a SCSI specific CD-ROM opcode
 274  * to play data at track/index */
 275 #define GPCMD_PLAYAUDIO_TI                  0x48
 276 /*
 277  * From MS Media Status Notification Support Specification. For
 278  * older drives only.
 279  */
 280 #define GPCMD_GET_MEDIA_STATUS              0xda
 281 #define GPCMD_MODE_SENSE_6                  0x1a
 282
 283 #define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */
 284 #define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */
 285 #define ATAPI_INT_REASON_REL            0x04
 286 #define ATAPI_INT_REASON_TAG            0xf8
 287
 288 /* same constants as bochs */
 289 #define ASC_ILLEGAL_OPCODE                   0x20
 290 #define ASC_LOGICAL_BLOCK_OOR                0x21
 291 #define ASC_INV_FIELD_IN_CMD_PACKET          0x24
 292 #define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28
 293 #define ASC_INCOMPATIBLE_FORMAT              0x30
 294 #define ASC_MEDIUM_NOT_PRESENT               0x3a
 295 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39
 296 #define ASC_MEDIA_REMOVAL_PREVENTED          0x53
 297
 298 #define CFA_NO_ERROR            0x00
 299 #define CFA_MISC_ERROR          0x09
 300 #define CFA_INVALID_COMMAND     0x20
 301 #define CFA_INVALID_ADDRESS     0x21
 302 #define CFA_ADDRESS_OVERFLOW    0x2f
 303
 304 #define SMART_READ_DATA       0xd0
 305 #define SMART_READ_THRESH     0xd1
 306 #define SMART_ATTR_AUTOSAVE   0xd2
 307 #define SMART_SAVE_ATTR       0xd3
 308 #define SMART_EXECUTE_OFFLINE 0xd4
 309 #define SMART_READ_LOG        0xd5
 310 #define SMART_WRITE_LOG       0xd6
 311 #define SMART_ENABLE          0xd8
 312 #define SMART_DISABLE         0xd9
 313 #define SMART_STATUS          0xda
 314
 315 typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
 316
 317 typedef void EndTransferFunc(IDEState *);
 318
 319 typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockDriverCompletionFunc *);
 320 typedef int DMAFunc(IDEDMA *);
 321 typedef int DMAIntFunc(IDEDMA *, int);
 322 typedef void DMARestartFunc(void *, int, RunState);
 323
 324 struct unreported_events {
 325     bool eject_request;
 326     bool new_media;
 327 };
 328
 329 enum ide_dma_cmd {
 330     IDE_DMA_READ,
 331     IDE_DMA_WRITE,
 332     IDE_DMA_TRIM,
 333 };
 334
 335 #define ide_cmd_is_read(s) \
 336         ((s)->dma_cmd == IDE_DMA_READ)
 337
 338 /* NOTE: IDEState represents in fact one drive */
 339 struct IDEState {
 340     IDEBus *bus;
 341     uint8_t unit;
 342     /* ide config */
 343     IDEDriveKind drive_kind;
 344     int cylinders, heads, sectors;
 345     int64_t nb_sectors;
 346     int mult_sectors;
 347     int identify_set;
 348     uint8_t identify_data[512];
 349     int drive_serial;
 350     char drive_serial_str[21];
 351     /* ide regs */
 352     uint8_t feature;
 353     uint8_t error;
 354     uint32_t nsector;
 355     uint8_t sector;
 356     uint8_t lcyl;
 357     uint8_t hcyl;
 358     /* other part of tf for lba48 support */
 359     uint8_t hob_feature;
 360     uint8_t hob_nsector;
 361     uint8_t hob_sector;
 362     uint8_t hob_lcyl;
 363     uint8_t hob_hcyl;
 364
 365     uint8_t select;
 366     uint8_t status;
 367
 368     /* set for lba48 access */
 369     uint8_t lba48;
 370     BlockDriverState *bs;
 371     char version[9];
 372     /* ATAPI specific */
 373     struct unreported_events events;
 374     uint8_t sense_key;
 375     uint8_t asc;
 376     bool tray_open;
 377     bool tray_locked;
 378     uint8_t cdrom_changed;
 379     int packet_transfer_size;
 380     int elementary_transfer_size;
 381     int io_buffer_index;
 382     int lba;
 383     int cd_sector_size;
 384     int atapi_dma; /* true if dma is requested for the packet cmd */
 385     BlockAcctCookie acct;
 386     /* ATA DMA state */
 387     int io_buffer_size;
 388     QEMUSGList sg;
 389     /* PIO transfer handling */
 390     int req_nb_sectors; /* number of sectors per interrupt */
 391     EndTransferFunc *end_transfer_func;
 392     uint8_t *data_ptr;
 393     uint8_t *data_end;
 394     uint8_t *io_buffer;
 395     /* PIO save/restore */
 396     int32_t io_buffer_total_len;
 397     int cur_io_buffer_offset;
 398     int cur_io_buffer_len;
 399     uint8_t end_transfer_fn_idx;
 400     QEMUTimer *sector_write_timer; /* only used for win2k install hack */
 401     uint32_t irq_count; /* counts IRQs when using win2k install hack */
 402     /* CF-ATA extended error */
 403     uint8_t ext_error;
 404     /* CF-ATA metadata storage */
 405     uint32_t mdata_size;
 406     uint8_t *mdata_storage;
 407     int media_changed;
 408     enum ide_dma_cmd dma_cmd;
 409     /* SMART */
 410     uint8_t smart_enabled;
 411     uint8_t smart_autosave;
 412     int smart_errors;
 413     uint8_t smart_selftest_count;
 414     uint8_t *smart_selftest_data;
 415     /* AHCI */
 416     int ncq_queues;
 417 };
 418
 419 struct IDEDMAOps {
 420     DMAStartFunc *start_dma;
 421     DMAFunc *start_transfer;
 422     DMAIntFunc *prepare_buf;
 423     DMAIntFunc *rw_buf;
 424     DMAIntFunc *set_unit;
 425     DMAIntFunc *add_status;
 426     DMAFunc *set_inactive;
 427     DMARestartFunc *restart_cb;
 428     DMAFunc *reset;
 429 };
 430
 431 struct IDEDMA {
 432     const struct IDEDMAOps *ops;
 433     struct iovec iov;
 434     QEMUIOVector qiov;
 435     BlockDriverAIOCB *aiocb;
 436 };
 437
 438 struct IDEBus {
 439     BusState qbus;
 440     IDEDevice *master;
 441     IDEDevice *slave;
 442     IDEState ifs[2];
 443     int bus_id;
 444     IDEDMA *dma;
 445     uint8_t unit;
 446     uint8_t cmd;
 447     qemu_irq irq;
 448
 449     int error_status;
 450 };
 451
 452 #define TYPE_IDE_DEVICE "ide-device"
 453 #define IDE_DEVICE(obj) \
 454      OBJECT_CHECK(IDEDevice, (obj), TYPE_IDE_DEVICE)
 455 #define IDE_DEVICE_CLASS(klass) \
 456      OBJECT_CLASS_CHECK(IDEDeviceClass, (klass), TYPE_IDE_DEVICE)
 457 #define IDE_DEVICE_GET_CLASS(obj) \
 458      OBJECT_GET_CLASS(IDEDeviceClass, (obj), TYPE_IDE_DEVICE)
 459
 460 typedef struct IDEDeviceClass {
 461     DeviceClass parent_class;
 462     int (*init)(IDEDevice *dev);
 463 } IDEDeviceClass;
 464
 465 struct IDEDevice {
 466     DeviceState qdev;
 467     uint32_t unit;
 468     BlockConf conf;
 469     char *version;
 470     char *serial;
 471 };
 472
 473 #define BM_STATUS_DMAING 0x01
 474 #define BM_STATUS_ERROR  0x02
 475 #define BM_STATUS_INT    0x04
 476
 477 /* FIXME These are not status register bits */
 478 #define BM_STATUS_DMA_RETRY  0x08
 479 #define BM_STATUS_PIO_RETRY  0x10
 480 #define BM_STATUS_RETRY_READ  0x20
 481 #define BM_STATUS_RETRY_FLUSH 0x40
 482 #define BM_STATUS_RETRY_TRIM 0x80
 483
 484 #define BM_MIGRATION_COMPAT_STATUS_BITS \
 485         (BM_STATUS_DMA_RETRY | BM_STATUS_PIO_RETRY | \
 486         BM_STATUS_RETRY_READ | BM_STATUS_RETRY_FLUSH)
 487
 488 #define BM_CMD_START     0x01
 489 #define BM_CMD_READ      0x08
 490
 491 static inline IDEState *idebus_active_if(IDEBus *bus)
 492 {
 493     return bus->ifs + bus->unit;
 494 }
 495
 496 static inline void ide_set_irq(IDEBus *bus)
 497 {
 498     if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
 499         qemu_irq_raise(bus->irq);
 500     }
 501 }
 502
 503 /* hw/ide/core.c */
 504 extern const VMStateDescription vmstate_ide_bus;
 505
 506 #define VMSTATE_IDE_BUS(_field, _state)                          \
 507     VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
 508
 509 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
 510     VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
 511
 512 extern const VMStateDescription vmstate_ide_drive;
 513
 514 #define VMSTATE_IDE_DRIVES(_field, _state) \
 515     VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
 516
 517 void ide_bus_reset(IDEBus *bus);
 518 int64_t ide_get_sector(IDEState *s);
 519 void ide_set_sector(IDEState *s, int64_t sector_num);
 520
 521 void ide_dma_error(IDEState *s);
 522
 523 void ide_atapi_cmd_ok(IDEState *s);
 524 void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
 525 void ide_atapi_io_error(IDEState *s, int ret);
 526
 527 void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
 528 uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
 529 uint32_t ide_status_read(void *opaque, uint32_t addr);
 530 void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
 531 void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
 532 uint32_t ide_data_readw(void *opaque, uint32_t addr);
 533 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
 534 uint32_t ide_data_readl(void *opaque, uint32_t addr);
 535
 536 int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
 537                    const char *version, const char *serial);
 538 void ide_init2(IDEBus *bus, qemu_irq irq);
 539 void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
 540                                     DriveInfo *hd1, qemu_irq irq);
 541 void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
 542
 543 void ide_exec_cmd(IDEBus *bus, uint32_t val);
 544 void ide_dma_cb(void *opaque, int ret);
 545 void ide_sector_write(IDEState *s);
 546 void ide_sector_read(IDEState *s);
 547 void ide_flush_cache(IDEState *s);
 548
 549 void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
 550                         EndTransferFunc *end_transfer_func);
 551 void ide_transfer_stop(IDEState *s);
 552 void ide_set_inactive(IDEState *s);
 553 BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs,
 554         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
 555         BlockDriverCompletionFunc *cb, void *opaque);
 556
 557 /* hw/ide/atapi.c */
 558 void ide_atapi_cmd(IDEState *s);
 559 void ide_atapi_cmd_reply_end(IDEState *s);
 560
 561 /* hw/ide/qdev.c */
 562 void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id);
 563 IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
 564
 565 #endif /* HW_IDE_INTERNAL_H */