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 "iorange.h"
  11 #include "dma.h"
  12
  13 /* debug IDE devices */
  14 //#define DEBUG_IDE
  15 //#define DEBUG_IDE_ATAPI
  16 //#define DEBUG_AIO
  17 #define USE_DMA_CDROM
  18
  19 typedef struct IDEBus IDEBus;
  20 typedef struct IDEDevice IDEDevice;
  21 typedef struct IDEDeviceInfo IDEDeviceInfo;
  22 typedef struct IDEState IDEState;
  23 typedef struct IDEDMA IDEDMA;
  24 typedef struct IDEDMAOps IDEDMAOps;
  25
  26 /* Bits of HD_STATUS */
  27 #define ERR_STAT                0x01
  28 #define INDEX_STAT              0x02
  29 #define ECC_STAT                0x04    /* Corrected error */
  30 #define DRQ_STAT                0x08
  31 #define SEEK_STAT               0x10
  32 #define SRV_STAT                0x10
  33 #define WRERR_STAT              0x20
  34 #define READY_STAT              0x40
  35 #define BUSY_STAT               0x80
  36
  37 /* Bits for HD_ERROR */
  38 #define MARK_ERR                0x01    /* Bad address mark */
  39 #define TRK0_ERR                0x02    /* couldn't find track 0 */
  40 #define ABRT_ERR                0x04    /* Command aborted */
  41 #define MCR_ERR                 0x08    /* media change request */
  42 #define ID_ERR                  0x10    /* ID field not found */
  43 #define MC_ERR                  0x20    /* media changed */
  44 #define ECC_ERR                 0x40    /* Uncorrectable ECC error */
  45 #define BBD_ERR                 0x80    /* pre-EIDE meaning:  block marked bad */
  46 #define ICRC_ERR                0x80    /* new meaning:  CRC error during transfer */
  47
  48 /* Bits of HD_NSECTOR */
  49 #define CD                      0x01
  50 #define IO                      0x02
  51 #define REL                     0x04
  52 #define TAG_MASK                0xf8
  53
  54 #define IDE_CMD_RESET           0x04
  55 #define IDE_CMD_DISABLE_IRQ     0x02
  56
  57 /* ACS-2 T13/2015-D Table B.2 Command codes */
  58 #define WIN_NOP                         0x00
  59 /* reserved                             0x01..0x02 */
  60 #define CFA_REQ_EXT_ERROR_CODE          0x03 /* CFA Request Extended Error Code */
  61 /* reserved                             0x04..0x05 */
  62 #define WIN_DSM                         0x06
  63 /* reserved                             0x07 */
  64 #define WIN_DEVICE_RESET                0x08
  65 /* reserved                             0x09..0x0a */
  66 /* REQUEST SENSE DATA EXT               0x0B */
  67 /* reserved                             0x0C..0x0F */
  68 #define WIN_RECAL                       0x10 /* obsolete since ATA4 */
  69 /* obsolete since ATA3, retired in ATA4 0x11..0x1F */
  70 #define WIN_READ                        0x20 /* 28-Bit */
  71 #define WIN_READ_ONCE                   0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
  72 /* obsolete since ATA4                  0x22..0x23 */
  73 #define WIN_READ_EXT                    0x24 /* 48-Bit */
  74 #define WIN_READDMA_EXT                 0x25 /* 48-Bit */
  75 #define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit, obsolete since ACS2 */
  76 #define WIN_READ_NATIVE_MAX_EXT         0x27 /* 48-Bit */
  77 /* reserved                             0x28 */
  78 #define WIN_MULTREAD_EXT                0x29 /* 48-Bit */
  79 /* READ STREAM DMA EXT                  0x2A */
  80 /* READ STREAM EXT                      0x2B */
  81 /* reserved                             0x2C..0x2E */
  82 /* READ LOG EXT                         0x2F */
  83 #define WIN_WRITE                       0x30 /* 28-Bit */
  84 #define WIN_WRITE_ONCE                  0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
  85 /* obsolete since ATA4                  0x32..0x33 */
  86 #define WIN_WRITE_EXT                   0x34 /* 48-Bit */
  87 #define WIN_WRITEDMA_EXT                0x35 /* 48-Bit */
  88 #define WIN_WRITEDMA_QUEUED_EXT         0x36 /* 48-Bit */
  89 #define WIN_SET_MAX_EXT                 0x37 /* 48-Bit, obsolete since ACS2 */
  90 #define WIN_SET_MAX_EXT                 0x37 /* 48-Bit */
  91 #define CFA_WRITE_SECT_WO_ERASE         0x38 /* CFA Write Sectors without erase */
  92 #define WIN_MULTWRITE_EXT               0x39 /* 48-Bit */
  93 /* WRITE STREAM DMA EXT                 0x3A */
  94 /* WRITE STREAM EXT                     0x3B */
  95 #define WIN_WRITE_VERIFY                0x3C /* 28-Bit, obsolete since ATA4 */
  96 /* WRITE DMA FUA EXT                    0x3D */
  97 /* obsolete since ACS2                  0x3E */
  98 /* WRITE LOG EXT                        0x3F */
  99 #define WIN_VERIFY                      0x40 /* 28-Bit - Read Verify Sectors */
 100 #define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
 101 #define WIN_VERIFY_EXT                  0x42 /* 48-Bit */
 102 /* reserved                             0x43..0x44 */
 103 /* WRITE UNCORRECTABLE EXT              0x45 */
 104 /* reserved                             0x46 */
 105 /* READ LOG DMA EXT                     0x47 */
 106 /* reserved                             0x48..0x4F */
 107 /* obsolete since ATA4                  0x50 */
 108 /* CONFIGURE STREAM                     0x51 */
 109 /* reserved                             0x52..0x56 */
 110 /* WRITE LOG DMA EXT                    0x57 */
 111 /* reserved                             0x58..0x5A */
 112 /* TRUSTED NON DATA                     0x5B */
 113 /* TRUSTED RECEIVE                      0x5C */
 114 /* TRUSTED RECEIVE DMA                  0x5D */
 115 /* TRUSTED SEND                         0x5E */
 116 /* TRUSTED SEND DMA                     0x5F */
 117 /* READ FPDMA QUEUED                    0x60 */
 118 /* WRITE FPDMA QUEUED                   0x61 */
 119 /* reserved                             0x62->0x6F */
 120 #define WIN_SEEK                        0x70 /* obsolete since ATA7 */
 121 /* reserved                             0x71-0x7F */
 122 /* vendor specific                      0x80-0x86 */
 123 #define CFA_TRANSLATE_SECTOR            0x87 /* CFA Translate Sector */
 124 /* vendor specific                      0x88-0x8F */
 125 #define WIN_DIAGNOSE                    0x90
 126 #define WIN_SPECIFY                     0x91 /* set drive geometry translation, obsolete since ATA6 */
 127 #define WIN_DOWNLOAD_MICROCODE          0x92
 128 /* DOWNLOAD MICROCODE DMA               0x93 */
 129 #define WIN_STANDBYNOW2                 0x94 /* retired in ATA4 */
 130 #define WIN_IDLEIMMEDIATE2              0x95 /* force drive to become "ready", retired in ATA4 */
 131 #define WIN_STANDBY2                    0x96 /* retired in ATA4 */
 132 #define WIN_SETIDLE2                    0x97 /* retired in ATA4 */
 133 #define WIN_CHECKPOWERMODE2             0x98 /* retired in ATA4 */
 134 #define WIN_SLEEPNOW2                   0x99 /* retired in ATA4 */
 135 /* vendor specific                      0x9A */
 136 /* reserved                             0x9B..0x9F */
 137 #define WIN_PACKETCMD                   0xA0 /* Send a packet command. */
 138 #define WIN_PIDENTIFY                   0xA1 /* identify ATAPI device   */
 139 #define WIN_QUEUED_SERVICE              0xA2 /* obsolete since ACS2 */
 140 /* reserved                             0xA3..0xAF */
 141 #define WIN_SMART                       0xB0 /* self-monitoring and reporting */
 142 /* Device Configuration Overlay         0xB1 */
 143 /* reserved                             0xB2..0xB3 */
 144 /* Sanitize Device                      0xB4 */
 145 /* reserved                             0xB5 */
 146 /* NV Cache                             0xB6 */
 147 /* reserved for CFA                     0xB7..0xBB */
 148 #define CFA_ACCESS_METADATA_STORAGE     0xB8
 149 /* reserved                             0xBC..0xBF */
 150 #define CFA_ERASE_SECTORS               0xC0 /* microdrives implement as NOP */
 151 /* vendor specific                      0xC1..0xC3 */
 152 #define WIN_MULTREAD                    0xC4 /* read sectors using multiple mode*/
 153 #define WIN_MULTWRITE                   0xC5 /* write sectors using multiple mode */
 154 #define WIN_SETMULT                     0xC6 /* enable/disable multiple mode */
 155 #define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
 156 #define WIN_READDMA                     0xC8 /* read sectors using DMA transfers */
 157 #define WIN_READDMA_ONCE                0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
 158 #define WIN_WRITEDMA                    0xCA /* write sectors using DMA transfers */
 159 #define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
 160 #define WIN_WRITEDMA_QUEUED             0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
 161 #define CFA_WRITE_MULTI_WO_ERASE        0xCD /* CFA Write multiple without erase */
 162 /* WRITE MULTIPLE FUA EXT               0xCE */
 163 /* reserved                             0xCF..0xDO */
 164 /* CHECK MEDIA CARD TYPE                0xD1 */
 165 /* reserved for media card pass through 0xD2..0xD4 */
 166 /* reserved                             0xD5..0xD9 */
 167 #define WIN_GETMEDIASTATUS              0xDA /* obsolete since ATA8 */
 168 /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
 169 #define WIN_DOORLOCK                    0xDE /* lock door on removable drives, obsolete since ATA8 */
 170 #define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives, obsolete since ATA8 */
 171 #define WIN_STANDBYNOW1                 0xE0
 172 #define WIN_IDLEIMMEDIATE               0xE1 /* force drive to become "ready" */
 173 #define WIN_STANDBY                     0xE2 /* Set device in Standby Mode */
 174 #define WIN_SETIDLE1                    0xE3
 175 #define WIN_READ_BUFFER                 0xE4 /* force read only 1 sector */
 176 #define WIN_CHECKPOWERMODE1             0xE5
 177 #define WIN_SLEEPNOW1                   0xE6
 178 #define WIN_FLUSH_CACHE                 0xE7
 179 #define WIN_WRITE_BUFFER                0xE8 /* force write only 1 sector */
 180 /* READ BUFFER DMA                      0xE9 */
 181 #define WIN_FLUSH_CACHE_EXT             0xEA /* 48-Bit */
 182 /* WRITE BUFFER DMA                     0xEB */
 183 #define WIN_IDENTIFY                    0xEC /* ask drive to identify itself    */
 184 #define WIN_MEDIAEJECT                  0xED /* obsolete since ATA8 */
 185 /* obsolete since ATA4                  0xEE */
 186 #define WIN_SETFEATURES                 0xEF /* set special drive features */
 187 #define IBM_SENSE_CONDITION             0xF0 /* measure disk temperature, vendor specific */
 188 #define WIN_SECURITY_SET_PASS           0xF1
 189 #define WIN_SECURITY_UNLOCK             0xF2
 190 #define WIN_SECURITY_ERASE_PREPARE      0xF3
 191 #define WIN_SECURITY_ERASE_UNIT         0xF4
 192 #define WIN_SECURITY_FREEZE_LOCK        0xF5
 193 #define CFA_WEAR_LEVEL                  0xF5 /* microdrives implement as NOP; not specified in T13! */
 194 #define WIN_SECURITY_DISABLE            0xF6
 195 /* vendor specific                      0xF7 */
 196 #define WIN_READ_NATIVE_MAX             0xF8 /* return the native maximum address */
 197 #define WIN_SET_MAX                     0xF9
 198 /* vendor specific                      0xFA..0xFF */
 199
 200 /* set to 1 set disable mult support */
 201 #define MAX_MULT_SECTORS 16
 202
 203 #define IDE_DMA_BUF_SECTORS 256
 204
 205 /* feature values for Data Set Management */
 206 #define DSM_TRIM                        0x01
 207
 208 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
 209 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
 210 #endif
 211
 212 /* ATAPI defines */
 213
 214 #define ATAPI_PACKET_SIZE 12
 215
 216 /* The generic packet command opcodes for CD/DVD Logical Units,
 217  * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
 218 #define GPCMD_BLANK                         0xa1
 219 #define GPCMD_CLOSE_TRACK                   0x5b
 220 #define GPCMD_FLUSH_CACHE                   0x35
 221 #define GPCMD_FORMAT_UNIT                   0x04
 222 #define GPCMD_GET_CONFIGURATION             0x46
 223 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
 224 #define GPCMD_GET_PERFORMANCE               0xac
 225 #define GPCMD_INQUIRY                       0x12
 226 #define GPCMD_LOAD_UNLOAD                   0xa6
 227 #define GPCMD_MECHANISM_STATUS              0xbd
 228 #define GPCMD_MODE_SELECT_10                0x55
 229 #define GPCMD_MODE_SENSE_10                 0x5a
 230 #define GPCMD_PAUSE_RESUME                  0x4b
 231 #define GPCMD_PLAY_AUDIO_10                 0x45
 232 #define GPCMD_PLAY_AUDIO_MSF                0x47
 233 #define GPCMD_PLAY_AUDIO_TI                 0x48
 234 #define GPCMD_PLAY_CD                       0xbc
 235 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
 236 #define GPCMD_READ_10                       0x28
 237 #define GPCMD_READ_12                       0xa8
 238 #define GPCMD_READ_CDVD_CAPACITY            0x25
 239 #define GPCMD_READ_CD                       0xbe
 240 #define GPCMD_READ_CD_MSF                   0xb9
 241 #define GPCMD_READ_DISC_INFO                0x51
 242 #define GPCMD_READ_DVD_STRUCTURE            0xad
 243 #define GPCMD_READ_FORMAT_CAPACITIES        0x23
 244 #define GPCMD_READ_HEADER                   0x44
 245 #define GPCMD_READ_TRACK_RZONE_INFO         0x52
 246 #define GPCMD_READ_SUBCHANNEL               0x42
 247 #define GPCMD_READ_TOC_PMA_ATIP             0x43
 248 #define GPCMD_REPAIR_RZONE_TRACK            0x58
 249 #define GPCMD_REPORT_KEY                    0xa4
 250 #define GPCMD_REQUEST_SENSE                 0x03
 251 #define GPCMD_RESERVE_RZONE_TRACK           0x53
 252 #define GPCMD_SCAN                          0xba
 253 #define GPCMD_SEEK                          0x2b
 254 #define GPCMD_SEND_DVD_STRUCTURE            0xad
 255 #define GPCMD_SEND_EVENT                    0xa2
 256 #define GPCMD_SEND_KEY                      0xa3
 257 #define GPCMD_SEND_OPC                      0x54
 258 #define GPCMD_SET_READ_AHEAD                0xa7
 259 #define GPCMD_SET_STREAMING                 0xb6
 260 #define GPCMD_START_STOP_UNIT               0x1b
 261 #define GPCMD_STOP_PLAY_SCAN                0x4e
 262 #define GPCMD_TEST_UNIT_READY               0x00
 263 #define GPCMD_VERIFY_10                     0x2f
 264 #define GPCMD_WRITE_10                      0x2a
 265 #define GPCMD_WRITE_AND_VERIFY_10           0x2e
 266 /* This is listed as optional in ATAPI 2.6, but is (curiously)
 267  * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
 268  * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
 269  * drives support it. */
 270 #define GPCMD_SET_SPEED                     0xbb
 271 /* This seems to be a SCSI specific CD-ROM opcode
 272  * to play data at track/index */
 273 #define GPCMD_PLAYAUDIO_TI                  0x48
 274 /*
 275  * From MS Media Status Notification Support Specification. For
 276  * older drives only.
 277  */
 278 #define GPCMD_GET_MEDIA_STATUS              0xda
 279 #define GPCMD_MODE_SENSE_6                  0x1a
 280
 281 /* Mode page codes for mode sense/set */
 282 #define GPMODE_R_W_ERROR_PAGE           0x01
 283 #define GPMODE_WRITE_PARMS_PAGE         0x05
 284 #define GPMODE_AUDIO_CTL_PAGE           0x0e
 285 #define GPMODE_POWER_PAGE               0x1a
 286 #define GPMODE_FAULT_FAIL_PAGE          0x1c
 287 #define GPMODE_TO_PROTECT_PAGE          0x1d
 288 #define GPMODE_CAPABILITIES_PAGE        0x2a
 289 #define GPMODE_ALL_PAGES                0x3f
 290 /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
 291  * of MODE_SENSE_POWER_PAGE */
 292 #define GPMODE_CDROM_PAGE               0x0d
 293
 294 /*
 295  * Based on values from <linux/cdrom.h> but extending CD_MINS
 296  * to the maximum common size allowed by the Orange's Book ATIP
 297  *
 298  * 90 and 99 min CDs are also available but using them as the
 299  * upper limit reduces the effectiveness of the heuristic to
 300  * detect DVDs burned to less than 25% of their maximum capacity
 301  */
 302
 303 /* Some generally useful CD-ROM information */
 304 #define CD_MINS                       80 /* max. minutes per CD */
 305 #define CD_SECS                       60 /* seconds per minute */
 306 #define CD_FRAMES                     75 /* frames per second */
 307 #define CD_FRAMESIZE                2048 /* bytes per frame, "cooked" mode */
 308 #define CD_MAX_BYTES       (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
 309 #define CD_MAX_SECTORS     (CD_MAX_BYTES / 512)
 310
 311 /*
 312  * The MMC values are not IDE specific and might need to be moved
 313  * to a common header if they are also needed for the SCSI emulation
 314  */
 315
 316 /* Profile list from MMC-6 revision 1 table 91 */
 317 #define MMC_PROFILE_NONE                0x0000
 318 #define MMC_PROFILE_CD_ROM              0x0008
 319 #define MMC_PROFILE_CD_R                0x0009
 320 #define MMC_PROFILE_CD_RW               0x000A
 321 #define MMC_PROFILE_DVD_ROM             0x0010
 322 #define MMC_PROFILE_DVD_R_SR            0x0011
 323 #define MMC_PROFILE_DVD_RAM             0x0012
 324 #define MMC_PROFILE_DVD_RW_RO           0x0013
 325 #define MMC_PROFILE_DVD_RW_SR           0x0014
 326 #define MMC_PROFILE_DVD_R_DL_SR         0x0015
 327 #define MMC_PROFILE_DVD_R_DL_JR         0x0016
 328 #define MMC_PROFILE_DVD_RW_DL           0x0017
 329 #define MMC_PROFILE_DVD_DDR             0x0018
 330 #define MMC_PROFILE_DVD_PLUS_RW         0x001A
 331 #define MMC_PROFILE_DVD_PLUS_R          0x001B
 332 #define MMC_PROFILE_DVD_PLUS_RW_DL      0x002A
 333 #define MMC_PROFILE_DVD_PLUS_R_DL       0x002B
 334 #define MMC_PROFILE_BD_ROM              0x0040
 335 #define MMC_PROFILE_BD_R_SRM            0x0041
 336 #define MMC_PROFILE_BD_R_RRM            0x0042
 337 #define MMC_PROFILE_BD_RE               0x0043
 338 #define MMC_PROFILE_HDDVD_ROM           0x0050
 339 #define MMC_PROFILE_HDDVD_R             0x0051
 340 #define MMC_PROFILE_HDDVD_RAM           0x0052
 341 #define MMC_PROFILE_HDDVD_RW            0x0053
 342 #define MMC_PROFILE_HDDVD_R_DL          0x0058
 343 #define MMC_PROFILE_HDDVD_RW_DL         0x005A
 344 #define MMC_PROFILE_INVALID             0xFFFF
 345
 346 #define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */
 347 #define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */
 348 #define ATAPI_INT_REASON_REL            0x04
 349 #define ATAPI_INT_REASON_TAG            0xf8
 350
 351 /* same constants as bochs */
 352 #define ASC_ILLEGAL_OPCODE                   0x20
 353 #define ASC_LOGICAL_BLOCK_OOR                0x21
 354 #define ASC_INV_FIELD_IN_CMD_PACKET          0x24
 355 #define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28
 356 #define ASC_INCOMPATIBLE_FORMAT              0x30
 357 #define ASC_MEDIUM_NOT_PRESENT               0x3a
 358 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39
 359 #define ASC_MEDIA_REMOVAL_PREVENTED          0x53
 360
 361 #define CFA_NO_ERROR            0x00
 362 #define CFA_MISC_ERROR          0x09
 363 #define CFA_INVALID_COMMAND     0x20
 364 #define CFA_INVALID_ADDRESS     0x21
 365 #define CFA_ADDRESS_OVERFLOW    0x2f
 366
 367 #define SENSE_NONE            0
 368 #define SENSE_NOT_READY       2
 369 #define SENSE_ILLEGAL_REQUEST 5
 370 #define SENSE_UNIT_ATTENTION  6
 371
 372 #define SMART_READ_DATA       0xd0
 373 #define SMART_READ_THRESH     0xd1
 374 #define SMART_ATTR_AUTOSAVE   0xd2
 375 #define SMART_SAVE_ATTR       0xd3
 376 #define SMART_EXECUTE_OFFLINE 0xd4
 377 #define SMART_READ_LOG        0xd5
 378 #define SMART_WRITE_LOG       0xd6
 379 #define SMART_ENABLE          0xd8
 380 #define SMART_DISABLE         0xd9
 381 #define SMART_STATUS          0xda
 382
 383 typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
 384
 385 typedef void EndTransferFunc(IDEState *);
 386
 387 typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockDriverCompletionFunc *);
 388 typedef int DMAFunc(IDEDMA *);
 389 typedef int DMAIntFunc(IDEDMA *, int);
 390 typedef void DMARestartFunc(void *, int, int);
 391
 392 struct unreported_events {
 393     bool eject_request;
 394     bool new_media;
 395 };
 396
 397 enum ide_dma_cmd {
 398     IDE_DMA_READ,
 399     IDE_DMA_WRITE,
 400     IDE_DMA_TRIM,
 401 };
 402
 403 #define ide_cmd_is_read(s) \
 404         ((s)->dma_cmd == IDE_DMA_READ)
 405
 406 /* NOTE: IDEState represents in fact one drive */
 407 struct IDEState {
 408     IDEBus *bus;
 409     uint8_t unit;
 410     /* ide config */
 411     IDEDriveKind drive_kind;
 412     int cylinders, heads, sectors;
 413     int64_t nb_sectors;
 414     int mult_sectors;
 415     int identify_set;
 416     uint8_t identify_data[512];
 417     int drive_serial;
 418     char drive_serial_str[21];
 419     /* ide regs */
 420     uint8_t feature;
 421     uint8_t error;
 422     uint32_t nsector;
 423     uint8_t sector;
 424     uint8_t lcyl;
 425     uint8_t hcyl;
 426     /* other part of tf for lba48 support */
 427     uint8_t hob_feature;
 428     uint8_t hob_nsector;
 429     uint8_t hob_sector;
 430     uint8_t hob_lcyl;
 431     uint8_t hob_hcyl;
 432
 433     uint8_t select;
 434     uint8_t status;
 435
 436     /* set for lba48 access */
 437     uint8_t lba48;
 438     BlockDriverState *bs;
 439     char version[9];
 440     /* ATAPI specific */
 441     struct unreported_events events;
 442     uint8_t sense_key;
 443     uint8_t asc;
 444     bool tray_open;
 445     bool tray_locked;
 446     uint8_t cdrom_changed;
 447     int packet_transfer_size;
 448     int elementary_transfer_size;
 449     int io_buffer_index;
 450     int lba;
 451     int cd_sector_size;
 452     int atapi_dma; /* true if dma is requested for the packet cmd */
 453     BlockAcctCookie acct;
 454     /* ATA DMA state */
 455     int io_buffer_size;
 456     QEMUSGList sg;
 457     /* PIO transfer handling */
 458     int req_nb_sectors; /* number of sectors per interrupt */
 459     EndTransferFunc *end_transfer_func;
 460     uint8_t *data_ptr;
 461     uint8_t *data_end;
 462     uint8_t *io_buffer;
 463     /* PIO save/restore */
 464     int32_t io_buffer_total_len;
 465     int cur_io_buffer_offset;
 466     int cur_io_buffer_len;
 467     uint8_t end_transfer_fn_idx;
 468     QEMUTimer *sector_write_timer; /* only used for win2k install hack */
 469     uint32_t irq_count; /* counts IRQs when using win2k install hack */
 470     /* CF-ATA extended error */
 471     uint8_t ext_error;
 472     /* CF-ATA metadata storage */
 473     uint32_t mdata_size;
 474     uint8_t *mdata_storage;
 475     int media_changed;
 476     enum ide_dma_cmd dma_cmd;
 477     /* SMART */
 478     uint8_t smart_enabled;
 479     uint8_t smart_autosave;
 480     int smart_errors;
 481     uint8_t smart_selftest_count;
 482     uint8_t *smart_selftest_data;
 483     /* AHCI */
 484     int ncq_queues;
 485 };
 486
 487 struct IDEDMAOps {
 488     DMAStartFunc *start_dma;
 489     DMAFunc *start_transfer;
 490     DMAIntFunc *prepare_buf;
 491     DMAIntFunc *rw_buf;
 492     DMAIntFunc *set_unit;
 493     DMAIntFunc *add_status;
 494     DMAFunc *set_inactive;
 495     DMARestartFunc *restart_cb;
 496     DMAFunc *reset;
 497 };
 498
 499 struct IDEDMA {
 500     const struct IDEDMAOps *ops;
 501     struct iovec iov;
 502     QEMUIOVector qiov;
 503     BlockDriverAIOCB *aiocb;
 504 };
 505
 506 struct IDEBus {
 507     BusState qbus;
 508     IDEDevice *master;
 509     IDEDevice *slave;
 510     IDEState ifs[2];
 511     int bus_id;
 512     IDEDMA *dma;
 513     uint8_t unit;
 514     uint8_t cmd;
 515     qemu_irq irq;
 516
 517     int error_status;
 518 };
 519
 520 struct IDEDevice {
 521     DeviceState qdev;
 522     uint32_t unit;
 523     BlockConf conf;
 524     char *version;
 525     char *serial;
 526 };
 527
 528 typedef int (*ide_qdev_initfn)(IDEDevice *dev);
 529 struct IDEDeviceInfo {
 530     DeviceInfo qdev;
 531     ide_qdev_initfn init;
 532 };
 533
 534 #define BM_STATUS_DMAING 0x01
 535 #define BM_STATUS_ERROR  0x02
 536 #define BM_STATUS_INT    0x04
 537
 538 /* FIXME These are not status register bits */
 539 #define BM_STATUS_DMA_RETRY  0x08
 540 #define BM_STATUS_PIO_RETRY  0x10
 541 #define BM_STATUS_RETRY_READ  0x20
 542 #define BM_STATUS_RETRY_FLUSH 0x40
 543 #define BM_STATUS_RETRY_TRIM 0x80
 544
 545 #define BM_MIGRATION_COMPAT_STATUS_BITS \
 546         (BM_STATUS_DMA_RETRY | BM_STATUS_PIO_RETRY | \
 547         BM_STATUS_RETRY_READ | BM_STATUS_RETRY_FLUSH)
 548
 549 #define BM_CMD_START     0x01
 550 #define BM_CMD_READ      0x08
 551
 552 static inline IDEState *idebus_active_if(IDEBus *bus)
 553 {
 554     return bus->ifs + bus->unit;
 555 }
 556
 557 static inline void ide_set_irq(IDEBus *bus)
 558 {
 559     if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
 560         qemu_irq_raise(bus->irq);
 561     }
 562 }
 563
 564 /* hw/ide/core.c */
 565 extern const VMStateDescription vmstate_ide_bus;
 566
 567 #define VMSTATE_IDE_BUS(_field, _state)                          \
 568     VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
 569
 570 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
 571     VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
 572
 573 extern const VMStateDescription vmstate_ide_drive;
 574
 575 #define VMSTATE_IDE_DRIVES(_field, _state) \
 576     VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
 577
 578 void ide_bus_reset(IDEBus *bus);
 579 int64_t ide_get_sector(IDEState *s);
 580 void ide_set_sector(IDEState *s, int64_t sector_num);
 581
 582 void ide_dma_error(IDEState *s);
 583
 584 void ide_atapi_cmd_ok(IDEState *s);
 585 void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
 586 void ide_atapi_io_error(IDEState *s, int ret);
 587
 588 void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
 589 uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
 590 uint32_t ide_status_read(void *opaque, uint32_t addr);
 591 void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
 592 void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
 593 uint32_t ide_data_readw(void *opaque, uint32_t addr);
 594 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
 595 uint32_t ide_data_readl(void *opaque, uint32_t addr);
 596
 597 int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
 598                    const char *version, const char *serial);
 599 void ide_init2(IDEBus *bus, qemu_irq irq);
 600 void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
 601                                     DriveInfo *hd1, qemu_irq irq);
 602 void ide_init_ioport(IDEBus *bus, int iobase, int iobase2);
 603
 604 void ide_exec_cmd(IDEBus *bus, uint32_t val);
 605 void ide_dma_cb(void *opaque, int ret);
 606 void ide_sector_write(IDEState *s);
 607 void ide_sector_read(IDEState *s);
 608 void ide_flush_cache(IDEState *s);
 609
 610 void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
 611                         EndTransferFunc *end_transfer_func);
 612 void ide_transfer_stop(IDEState *s);
 613 void ide_set_inactive(IDEState *s);
 614 BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs,
 615         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
 616         BlockDriverCompletionFunc *cb, void *opaque);
 617
 618 /* hw/ide/atapi.c */
 619 void ide_atapi_cmd(IDEState *s);
 620 void ide_atapi_cmd_reply_end(IDEState *s);
 621
 622 /* hw/ide/qdev.c */
 623 void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id);
 624 IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
 625
 626 #endif /* HW_IDE_INTERNAL_H */