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