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 10 #include "hw/ide.h" 11 #include "sysemu/dma.h" 12 #include "hw/block/block.h" 13 #include "exec/ioport.h" 14 15 /* debug IDE devices */ 16 #define USE_DMA_CDROM 17 #include "qom/object.h" 18 19 typedef struct IDEDevice IDEDevice; 20 typedef struct IDEState IDEState; 21 typedef struct IDEDMA IDEDMA; 22 typedef struct IDEDMAOps IDEDMAOps; 23 24 #define TYPE_IDE_BUS "IDE" 25 OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS) 26 27 #define MAX_IDE_DEVS 2 28 29 /* Device/Head ("select") Register */ 30 #define ATA_DEV_SELECT 0x10 31 /* ATA1,3: Defined as '1'. 32 * ATA2: Reserved. 33 * ATA3-7: obsolete. */ 34 #define ATA_DEV_ALWAYS_ON 0xA0 35 #define ATA_DEV_LBA 0x40 36 #define ATA_DEV_LBA_MSB 0x0F /* LBA 24:27 */ 37 #define ATA_DEV_HS 0x0F /* HS 3:0 */ 38 39 40 /* Bits of HD_STATUS */ 41 #define ERR_STAT 0x01 42 #define INDEX_STAT 0x02 43 #define ECC_STAT 0x04 /* Corrected error */ 44 #define DRQ_STAT 0x08 45 #define SEEK_STAT 0x10 46 #define SRV_STAT 0x10 47 #define WRERR_STAT 0x20 48 #define READY_STAT 0x40 49 #define BUSY_STAT 0x80 50 51 /* Bits for HD_ERROR */ 52 #define MARK_ERR 0x01 /* Bad address mark */ 53 #define TRK0_ERR 0x02 /* couldn't find track 0 */ 54 #define ABRT_ERR 0x04 /* Command aborted */ 55 #define MCR_ERR 0x08 /* media change request */ 56 #define ID_ERR 0x10 /* ID field not found */ 57 #define MC_ERR 0x20 /* media changed */ 58 #define ECC_ERR 0x40 /* Uncorrectable ECC error */ 59 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ 60 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ 61 62 /* Bits of HD_NSECTOR */ 63 #define CD 0x01 64 #define IO 0x02 65 #define REL 0x04 66 #define TAG_MASK 0xf8 67 68 /* Bits of Device Control register */ 69 #define IDE_CTRL_HOB 0x80 70 #define IDE_CTRL_RESET 0x04 71 #define IDE_CTRL_DISABLE_IRQ 0x02 72 73 /* ACS-2 T13/2015-D Table B.2 Command codes */ 74 #define WIN_NOP 0x00 75 /* reserved 0x01..0x02 */ 76 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ 77 /* reserved 0x04..0x05 */ 78 #define WIN_DSM 0x06 79 /* reserved 0x07 */ 80 #define WIN_DEVICE_RESET 0x08 81 /* reserved 0x09..0x0a */ 82 /* REQUEST SENSE DATA EXT 0x0B */ 83 /* reserved 0x0C..0x0F */ 84 #define WIN_RECAL 0x10 /* obsolete since ATA4 */ 85 /* obsolete since ATA3, retired in ATA4 0x11..0x1F */ 86 #define WIN_READ 0x20 /* 28-Bit */ 87 #define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete since ATA5 */ 88 /* obsolete since ATA4 0x22..0x23 */ 89 #define WIN_READ_EXT 0x24 /* 48-Bit */ 90 #define WIN_READDMA_EXT 0x25 /* 48-Bit */ 91 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */ 92 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ 93 /* reserved 0x28 */ 94 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ 95 /* READ STREAM DMA EXT 0x2A */ 96 /* READ STREAM EXT 0x2B */ 97 /* reserved 0x2C..0x2E */ 98 /* READ LOG EXT 0x2F */ 99 #define WIN_WRITE 0x30 /* 28-Bit */ 100 #define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete since ATA5 */ 101 /* obsolete since ATA4 0x32..0x33 */ 102 #define WIN_WRITE_EXT 0x34 /* 48-Bit */ 103 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ 104 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ 105 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */ 106 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ 107 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ 108 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ 109 /* WRITE STREAM DMA EXT 0x3A */ 110 /* WRITE STREAM EXT 0x3B */ 111 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */ 112 /* WRITE DMA FUA EXT 0x3D */ 113 /* obsolete since ACS2 0x3E */ 114 /* WRITE LOG EXT 0x3F */ 115 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ 116 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */ 117 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */ 118 /* reserved 0x43..0x44 */ 119 /* WRITE UNCORRECTABLE EXT 0x45 */ 120 /* reserved 0x46 */ 121 /* READ LOG DMA EXT 0x47 */ 122 /* reserved 0x48..0x4F */ 123 /* obsolete since ATA4 0x50 */ 124 /* CONFIGURE STREAM 0x51 */ 125 /* reserved 0x52..0x56 */ 126 /* WRITE LOG DMA EXT 0x57 */ 127 /* reserved 0x58..0x5A */ 128 /* TRUSTED NON DATA 0x5B */ 129 /* TRUSTED RECEIVE 0x5C */ 130 /* TRUSTED RECEIVE DMA 0x5D */ 131 /* TRUSTED SEND 0x5E */ 132 /* TRUSTED SEND DMA 0x5F */ 133 /* READ FPDMA QUEUED 0x60 */ 134 /* WRITE FPDMA QUEUED 0x61 */ 135 /* reserved 0x62->0x6F */ 136 #define WIN_SEEK 0x70 /* obsolete since ATA7 */ 137 /* reserved 0x71-0x7F */ 138 /* vendor specific 0x80-0x86 */ 139 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ 140 /* vendor specific 0x88-0x8F */ 141 #define WIN_DIAGNOSE 0x90 142 #define WIN_SPECIFY 0x91 /* set drive geometry translation, obsolete since ATA6 */ 143 #define WIN_DOWNLOAD_MICROCODE 0x92 144 /* DOWNLOAD MICROCODE DMA 0x93 */ 145 #define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */ 146 #define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready", retired in ATA4 */ 147 #define WIN_STANDBY2 0x96 /* retired in ATA4 */ 148 #define WIN_SETIDLE2 0x97 /* retired in ATA4 */ 149 #define WIN_CHECKPOWERMODE2 0x98 /* retired in ATA4 */ 150 #define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */ 151 /* vendor specific 0x9A */ 152 /* reserved 0x9B..0x9F */ 153 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ 154 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ 155 #define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */ 156 /* reserved 0xA3..0xAF */ 157 #define WIN_SMART 0xB0 /* self-monitoring and reporting */ 158 /* Device Configuration Overlay 0xB1 */ 159 /* reserved 0xB2..0xB3 */ 160 /* Sanitize Device 0xB4 */ 161 /* reserved 0xB5 */ 162 /* NV Cache 0xB6 */ 163 /* reserved for CFA 0xB7..0xBB */ 164 #define CFA_ACCESS_METADATA_STORAGE 0xB8 165 /* reserved 0xBC..0xBF */ 166 #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */ 167 /* vendor specific 0xC1..0xC3 */ 168 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ 169 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ 170 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ 171 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */ 172 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ 173 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */ 174 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ 175 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */ 176 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */ 177 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ 178 /* WRITE MULTIPLE FUA EXT 0xCE */ 179 /* reserved 0xCF..0xDO */ 180 /* CHECK MEDIA CARD TYPE 0xD1 */ 181 /* reserved for media card pass through 0xD2..0xD4 */ 182 /* reserved 0xD5..0xD9 */ 183 #define WIN_GETMEDIASTATUS 0xDA /* obsolete since ATA8 */ 184 /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */ 185 #define WIN_DOORLOCK 0xDE /* lock door on removable drives, obsolete since ATA8 */ 186 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives, obsolete since ATA8 */ 187 #define WIN_STANDBYNOW1 0xE0 188 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ 189 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ 190 #define WIN_SETIDLE1 0xE3 191 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ 192 #define WIN_CHECKPOWERMODE1 0xE5 193 #define WIN_SLEEPNOW1 0xE6 194 #define WIN_FLUSH_CACHE 0xE7 195 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ 196 /* READ BUFFER DMA 0xE9 */ 197 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ 198 /* WRITE BUFFER DMA 0xEB */ 199 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ 200 #define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */ 201 /* obsolete since ATA4 0xEE */ 202 #define WIN_SETFEATURES 0xEF /* set special drive features */ 203 #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature, vendor specific */ 204 #define WIN_SECURITY_SET_PASS 0xF1 205 #define WIN_SECURITY_UNLOCK 0xF2 206 #define WIN_SECURITY_ERASE_PREPARE 0xF3 207 #define WIN_SECURITY_ERASE_UNIT 0xF4 208 #define WIN_SECURITY_FREEZE_LOCK 0xF5 209 #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP; not specified in T13! */ 210 #define WIN_SECURITY_DISABLE 0xF6 211 /* vendor specific 0xF7 */ 212 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ 213 #define WIN_SET_MAX 0xF9 214 /* vendor specific 0xFA..0xFF */ 215 216 /* set to 1 set disable mult support */ 217 #define MAX_MULT_SECTORS 16 218 219 #define IDE_DMA_BUF_SECTORS 256 220 221 /* feature values for Data Set Management */ 222 #define DSM_TRIM 0x01 223 224 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS) 225 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" 226 #endif 227 228 /* ATAPI defines */ 229 230 #define ATAPI_PACKET_SIZE 12 231 232 /* The generic packet command opcodes for CD/DVD Logical Units, 233 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ 234 #define GPCMD_BLANK 0xa1 235 #define GPCMD_CLOSE_TRACK 0x5b 236 #define GPCMD_FLUSH_CACHE 0x35 237 #define GPCMD_FORMAT_UNIT 0x04 238 #define GPCMD_GET_CONFIGURATION 0x46 239 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a 240 #define GPCMD_GET_PERFORMANCE 0xac 241 #define GPCMD_INQUIRY 0x12 242 #define GPCMD_LOAD_UNLOAD 0xa6 243 #define GPCMD_MECHANISM_STATUS 0xbd 244 #define GPCMD_MODE_SELECT_10 0x55 245 #define GPCMD_MODE_SENSE_10 0x5a 246 #define GPCMD_PAUSE_RESUME 0x4b 247 #define GPCMD_PLAY_AUDIO_10 0x45 248 #define GPCMD_PLAY_AUDIO_MSF 0x47 249 #define GPCMD_PLAY_AUDIO_TI 0x48 250 #define GPCMD_PLAY_CD 0xbc 251 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 252 #define GPCMD_READ_10 0x28 253 #define GPCMD_READ_12 0xa8 254 #define GPCMD_READ_CDVD_CAPACITY 0x25 255 #define GPCMD_READ_CD 0xbe 256 #define GPCMD_READ_CD_MSF 0xb9 257 #define GPCMD_READ_DISC_INFO 0x51 258 #define GPCMD_READ_DVD_STRUCTURE 0xad 259 #define GPCMD_READ_FORMAT_CAPACITIES 0x23 260 #define GPCMD_READ_HEADER 0x44 261 #define GPCMD_READ_TRACK_RZONE_INFO 0x52 262 #define GPCMD_READ_SUBCHANNEL 0x42 263 #define GPCMD_READ_TOC_PMA_ATIP 0x43 264 #define GPCMD_REPAIR_RZONE_TRACK 0x58 265 #define GPCMD_REPORT_KEY 0xa4 266 #define GPCMD_REQUEST_SENSE 0x03 267 #define GPCMD_RESERVE_RZONE_TRACK 0x53 268 #define GPCMD_SCAN 0xba 269 #define GPCMD_SEEK 0x2b 270 #define GPCMD_SEND_DVD_STRUCTURE 0xad 271 #define GPCMD_SEND_EVENT 0xa2 272 #define GPCMD_SEND_KEY 0xa3 273 #define GPCMD_SEND_OPC 0x54 274 #define GPCMD_SET_READ_AHEAD 0xa7 275 #define GPCMD_SET_STREAMING 0xb6 276 #define GPCMD_START_STOP_UNIT 0x1b 277 #define GPCMD_STOP_PLAY_SCAN 0x4e 278 #define GPCMD_TEST_UNIT_READY 0x00 279 #define GPCMD_VERIFY_10 0x2f 280 #define GPCMD_WRITE_10 0x2a 281 #define GPCMD_WRITE_AND_VERIFY_10 0x2e 282 /* This is listed as optional in ATAPI 2.6, but is (curiously) 283 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji 284 * Table 377 as an MMC command for SCSi devices though... Most ATAPI 285 * drives support it. */ 286 #define GPCMD_SET_SPEED 0xbb 287 /* This seems to be a SCSI specific CD-ROM opcode 288 * to play data at track/index */ 289 #define GPCMD_PLAYAUDIO_TI 0x48 290 /* 291 * From MS Media Status Notification Support Specification. For 292 * older drives only. 293 */ 294 #define GPCMD_GET_MEDIA_STATUS 0xda 295 #define GPCMD_MODE_SENSE_6 0x1a 296 297 #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ 298 #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ 299 #define ATAPI_INT_REASON_REL 0x04 300 #define ATAPI_INT_REASON_TAG 0xf8 301 302 /* same constants as bochs */ 303 #define ASC_NO_SEEK_COMPLETE 0x02 304 #define ASC_ILLEGAL_OPCODE 0x20 305 #define ASC_LOGICAL_BLOCK_OOR 0x21 306 #define ASC_INV_FIELD_IN_CMD_PACKET 0x24 307 #define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28 308 #define ASC_INCOMPATIBLE_FORMAT 0x30 309 #define ASC_MEDIUM_NOT_PRESENT 0x3a 310 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 311 #define ASC_DATA_PHASE_ERROR 0x4b 312 #define ASC_MEDIA_REMOVAL_PREVENTED 0x53 313 314 #define CFA_NO_ERROR 0x00 315 #define CFA_MISC_ERROR 0x09 316 #define CFA_INVALID_COMMAND 0x20 317 #define CFA_INVALID_ADDRESS 0x21 318 #define CFA_ADDRESS_OVERFLOW 0x2f 319 320 #define SMART_READ_DATA 0xd0 321 #define SMART_READ_THRESH 0xd1 322 #define SMART_ATTR_AUTOSAVE 0xd2 323 #define SMART_SAVE_ATTR 0xd3 324 #define SMART_EXECUTE_OFFLINE 0xd4 325 #define SMART_READ_LOG 0xd5 326 #define SMART_WRITE_LOG 0xd6 327 #define SMART_ENABLE 0xd8 328 #define SMART_DISABLE 0xd9 329 #define SMART_STATUS 0xda 330 331 typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind; 332 333 typedef void EndTransferFunc(IDEState *); 334 335 typedef void DMAStartFunc(const IDEDMA *, IDEState *, BlockCompletionFunc *); 336 typedef void DMAVoidFunc(const IDEDMA *); 337 typedef int DMAIntFunc(const IDEDMA *, bool); 338 typedef int32_t DMAInt32Func(const IDEDMA *, int32_t len); 339 typedef void DMAu32Func(const IDEDMA *, uint32_t); 340 typedef void DMAStopFunc(const IDEDMA *, bool); 341 342 struct unreported_events { 343 bool eject_request; 344 bool new_media; 345 }; 346 347 enum ide_dma_cmd { 348 IDE_DMA_READ = 0, 349 IDE_DMA_WRITE, 350 IDE_DMA_TRIM, 351 IDE_DMA_ATAPI, 352 IDE_DMA__COUNT 353 }; 354 355 extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT]; 356 357 #define ide_cmd_is_read(s) \ 358 ((s)->dma_cmd == IDE_DMA_READ) 359 360 typedef struct IDEBufferedRequest { 361 QLIST_ENTRY(IDEBufferedRequest) list; 362 QEMUIOVector qiov; 363 QEMUIOVector *original_qiov; 364 BlockCompletionFunc *original_cb; 365 void *original_opaque; 366 bool orphaned; 367 } IDEBufferedRequest; 368 369 /* NOTE: IDEState represents in fact one drive */ 370 struct IDEState { 371 IDEBus *bus; 372 uint8_t unit; 373 /* ide config */ 374 IDEDriveKind drive_kind; 375 int drive_heads, drive_sectors; 376 int cylinders, heads, sectors, chs_trans; 377 int64_t nb_sectors; 378 int mult_sectors; 379 int identify_set; 380 uint8_t identify_data[512]; 381 int drive_serial; 382 char drive_serial_str[21]; 383 char drive_model_str[41]; 384 uint64_t wwn; 385 /* ide regs */ 386 uint8_t feature; 387 uint8_t error; 388 uint32_t nsector; 389 uint8_t sector; 390 uint8_t lcyl; 391 uint8_t hcyl; 392 /* other part of tf for lba48 support */ 393 uint8_t hob_feature; 394 uint8_t hob_nsector; 395 uint8_t hob_sector; 396 uint8_t hob_lcyl; 397 uint8_t hob_hcyl; 398 399 uint8_t select; 400 uint8_t status; 401 402 bool io8; 403 bool reset_reverts; 404 405 /* set for lba48 access */ 406 uint8_t lba48; 407 BlockBackend *blk; 408 char version[9]; 409 /* ATAPI specific */ 410 struct unreported_events events; 411 uint8_t sense_key; 412 uint8_t asc; 413 bool tray_open; 414 bool tray_locked; 415 uint8_t cdrom_changed; 416 int packet_transfer_size; 417 int elementary_transfer_size; 418 int32_t io_buffer_index; 419 int lba; 420 int cd_sector_size; 421 int atapi_dma; /* true if dma is requested for the packet cmd */ 422 BlockAcctCookie acct; 423 BlockAIOCB *pio_aiocb; 424 QEMUIOVector qiov; 425 QLIST_HEAD(, IDEBufferedRequest) buffered_requests; 426 /* ATA DMA state */ 427 uint64_t io_buffer_offset; 428 int32_t io_buffer_size; 429 QEMUSGList sg; 430 /* PIO transfer handling */ 431 int req_nb_sectors; /* number of sectors per interrupt */ 432 EndTransferFunc *end_transfer_func; 433 uint8_t *data_ptr; 434 uint8_t *data_end; 435 uint8_t *io_buffer; 436 /* PIO save/restore */ 437 int32_t io_buffer_total_len; 438 int32_t cur_io_buffer_offset; 439 int32_t cur_io_buffer_len; 440 uint8_t end_transfer_fn_idx; 441 QEMUTimer *sector_write_timer; /* only used for win2k install hack */ 442 uint32_t irq_count; /* counts IRQs when using win2k install hack */ 443 /* CF-ATA extended error */ 444 uint8_t ext_error; 445 /* CF-ATA metadata storage */ 446 uint32_t mdata_size; 447 uint8_t *mdata_storage; 448 int media_changed; 449 enum ide_dma_cmd dma_cmd; 450 /* SMART */ 451 uint8_t smart_enabled; 452 uint8_t smart_autosave; 453 int smart_errors; 454 uint8_t smart_selftest_count; 455 uint8_t *smart_selftest_data; 456 /* AHCI */ 457 int ncq_queues; 458 }; 459 460 struct IDEDMAOps { 461 DMAStartFunc *start_dma; 462 DMAVoidFunc *pio_transfer; 463 DMAInt32Func *prepare_buf; 464 DMAu32Func *commit_buf; 465 DMAIntFunc *rw_buf; 466 DMAVoidFunc *restart; 467 DMAVoidFunc *restart_dma; 468 DMAStopFunc *set_inactive; 469 DMAVoidFunc *cmd_done; 470 DMAVoidFunc *reset; 471 }; 472 473 struct IDEDMA { 474 const struct IDEDMAOps *ops; 475 QEMUIOVector qiov; 476 BlockAIOCB *aiocb; 477 }; 478 479 struct IDEBus { 480 BusState qbus; 481 IDEDevice *master; 482 IDEDevice *slave; 483 IDEState ifs[2]; 484 QEMUBH *bh; 485 486 int bus_id; 487 int max_units; 488 IDEDMA *dma; 489 uint8_t unit; 490 uint8_t cmd; 491 qemu_irq irq; 492 493 int error_status; 494 uint8_t retry_unit; 495 int64_t retry_sector_num; 496 uint32_t retry_nsector; 497 PortioList portio_list; 498 PortioList portio2_list; 499 VMChangeStateEntry *vmstate; 500 }; 501 502 #define TYPE_IDE_DEVICE "ide-device" 503 OBJECT_DECLARE_TYPE(IDEDevice, IDEDeviceClass, IDE_DEVICE) 504 505 struct IDEDeviceClass { 506 DeviceClass parent_class; 507 void (*realize)(IDEDevice *dev, Error **errp); 508 }; 509 510 struct IDEDevice { 511 DeviceState qdev; 512 uint32_t unit; 513 BlockConf conf; 514 int chs_trans; 515 char *version; 516 char *serial; 517 char *model; 518 uint64_t wwn; 519 /* 520 * 0x0000 - rotation rate not reported 521 * 0x0001 - non-rotating medium (SSD) 522 * 0x0002-0x0400 - reserved 523 * 0x0401-0xffe - rotations per minute 524 * 0xffff - reserved 525 */ 526 uint16_t rotation_rate; 527 }; 528 529 /* These are used for the error_status field of IDEBus */ 530 #define IDE_RETRY_MASK 0xf8 531 #define IDE_RETRY_DMA 0x08 532 #define IDE_RETRY_PIO 0x10 533 #define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */ 534 #define IDE_RETRY_READ 0x20 535 #define IDE_RETRY_FLUSH 0x40 536 #define IDE_RETRY_TRIM 0x80 537 #define IDE_RETRY_HBA 0x100 538 539 #define IS_IDE_RETRY_DMA(_status) \ 540 ((_status) & IDE_RETRY_DMA) 541 542 #define IS_IDE_RETRY_PIO(_status) \ 543 ((_status) & IDE_RETRY_PIO) 544 545 /* 546 * The method of the IDE_RETRY_ATAPI determination is to use a previously 547 * impossible bit combination as a new status value. 548 */ 549 #define IS_IDE_RETRY_ATAPI(_status) \ 550 (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI) 551 552 static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd) 553 { 554 switch (dma_cmd) { 555 case IDE_DMA_READ: 556 return IDE_RETRY_DMA | IDE_RETRY_READ; 557 case IDE_DMA_WRITE: 558 return IDE_RETRY_DMA; 559 case IDE_DMA_TRIM: 560 return IDE_RETRY_DMA | IDE_RETRY_TRIM; 561 case IDE_DMA_ATAPI: 562 return IDE_RETRY_ATAPI; 563 default: 564 break; 565 } 566 return 0; 567 } 568 569 static inline IDEState *idebus_active_if(IDEBus *bus) 570 { 571 return bus->ifs + bus->unit; 572 } 573 574 /* hw/ide/core.c */ 575 extern const VMStateDescription vmstate_ide_bus; 576 577 #define VMSTATE_IDE_BUS(_field, _state) \ 578 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus) 579 580 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \ 581 VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus) 582 583 extern const VMStateDescription vmstate_ide_drive; 584 585 #define VMSTATE_IDE_DRIVES(_field, _state) \ 586 VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState) 587 588 #define VMSTATE_IDE_DRIVE(_field, _state) \ 589 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState) 590 591 void ide_bus_reset(IDEBus *bus); 592 int64_t ide_get_sector(IDEState *s); 593 void ide_set_sector(IDEState *s, int64_t sector_num); 594 595 void ide_start_dma(IDEState *s, BlockCompletionFunc *cb); 596 void dma_buf_commit(IDEState *s, uint32_t tx_bytes); 597 void ide_dma_error(IDEState *s); 598 void ide_abort_command(IDEState *s); 599 600 void ide_atapi_cmd_ok(IDEState *s); 601 void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); 602 void ide_atapi_dma_restart(IDEState *s); 603 void ide_atapi_io_error(IDEState *s, int ret); 604 605 void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); 606 uint32_t ide_ioport_read(void *opaque, uint32_t addr1); 607 uint32_t ide_status_read(void *opaque, uint32_t addr); 608 void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val); 609 void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); 610 uint32_t ide_data_readw(void *opaque, uint32_t addr); 611 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); 612 uint32_t ide_data_readl(void *opaque, uint32_t addr); 613 614 int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, 615 const char *version, const char *serial, const char *model, 616 uint64_t wwn, 617 uint32_t cylinders, uint32_t heads, uint32_t secs, 618 int chs_trans, Error **errp); 619 void ide_init2(IDEBus *bus, qemu_irq irq); 620 void ide_exit(IDEState *s); 621 int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2); 622 void ide_bus_set_irq(IDEBus *bus); 623 void ide_bus_register_restart_cb(IDEBus *bus); 624 625 void ide_exec_cmd(IDEBus *bus, uint32_t val); 626 627 void ide_transfer_start(IDEState *s, uint8_t *buf, int size, 628 EndTransferFunc *end_transfer_func); 629 bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size, 630 EndTransferFunc *end_transfer_func); 631 void ide_transfer_stop(IDEState *s); 632 void ide_set_inactive(IDEState *s, bool more); 633 BlockAIOCB *ide_issue_trim( 634 int64_t offset, QEMUIOVector *qiov, 635 BlockCompletionFunc *cb, void *cb_opaque, void *opaque); 636 BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num, 637 QEMUIOVector *iov, int nb_sectors, 638 BlockCompletionFunc *cb, void *opaque); 639 void ide_cancel_dma_sync(IDEState *s); 640 641 /* hw/ide/atapi.c */ 642 void ide_atapi_cmd(IDEState *s); 643 void ide_atapi_cmd_reply_end(IDEState *s); 644 645 /* hw/ide/qdev.c */ 646 void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev, 647 int bus_id, int max_units); 648 IDEDevice *ide_bus_create_drive(IDEBus *bus, int unit, DriveInfo *drive); 649 650 int ide_handle_rw_error(IDEState *s, int error, int op); 651 652 #endif /* HW_IDE_INTERNAL_H */ 653