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 "hw/irq.h" 12 #include "hw/isa/isa.h" 13 #include "sysemu/dma.h" 14 #include "hw/block/block.h" 15 16 /* debug IDE devices */ 17 #define USE_DMA_CDROM 18 #include "qom/object.h" 19 20 typedef struct IDEDevice IDEDevice; 21 typedef struct IDEState IDEState; 22 typedef struct IDEDMA IDEDMA; 23 typedef struct IDEDMAOps IDEDMAOps; 24 25 #define TYPE_IDE_BUS "IDE" 26 OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS) 27 28 #define MAX_IDE_DEVS 2 29 30 /* Device/Head ("select") Register */ 31 #define ATA_DEV_SELECT 0x10 32 /* ATA1,3: Defined as '1'. 33 * ATA2: Reserved. 34 * ATA3-7: obsolete. */ 35 #define ATA_DEV_ALWAYS_ON 0xA0 36 #define ATA_DEV_LBA 0x40 37 #define ATA_DEV_LBA_MSB 0x0F /* LBA 24:27 */ 38 #define ATA_DEV_HS 0x0F /* HS 3:0 */ 39 40 41 /* Bits of HD_STATUS */ 42 #define ERR_STAT 0x01 43 #define INDEX_STAT 0x02 44 #define ECC_STAT 0x04 /* Corrected error */ 45 #define DRQ_STAT 0x08 46 #define SEEK_STAT 0x10 47 #define SRV_STAT 0x10 48 #define WRERR_STAT 0x20 49 #define READY_STAT 0x40 50 #define BUSY_STAT 0x80 51 52 /* Bits for HD_ERROR */ 53 #define MARK_ERR 0x01 /* Bad address mark */ 54 #define TRK0_ERR 0x02 /* couldn't find track 0 */ 55 #define ABRT_ERR 0x04 /* Command aborted */ 56 #define MCR_ERR 0x08 /* media change request */ 57 #define ID_ERR 0x10 /* ID field not found */ 58 #define MC_ERR 0x20 /* media changed */ 59 #define ECC_ERR 0x40 /* Uncorrectable ECC error */ 60 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ 61 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ 62 63 /* Bits of HD_NSECTOR */ 64 #define CD 0x01 65 #define IO 0x02 66 #define REL 0x04 67 #define TAG_MASK 0xf8 68 69 /* Bits of Device Control register */ 70 #define IDE_CTRL_HOB 0x80 71 #define IDE_CTRL_RESET 0x04 72 #define IDE_CTRL_DISABLE_IRQ 0x02 73 74 /* ACS-2 T13/2015-D Table B.2 Command codes */ 75 #define WIN_NOP 0x00 76 /* reserved 0x01..0x02 */ 77 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ 78 /* reserved 0x04..0x05 */ 79 #define WIN_DSM 0x06 80 /* reserved 0x07 */ 81 #define WIN_DEVICE_RESET 0x08 82 /* reserved 0x09..0x0a */ 83 /* REQUEST SENSE DATA EXT 0x0B */ 84 /* reserved 0x0C..0x0F */ 85 #define WIN_RECAL 0x10 /* obsolete since ATA4 */ 86 /* obsolete since ATA3, retired in ATA4 0x11..0x1F */ 87 #define WIN_READ 0x20 /* 28-Bit */ 88 #define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete since ATA5 */ 89 /* obsolete since ATA4 0x22..0x23 */ 90 #define WIN_READ_EXT 0x24 /* 48-Bit */ 91 #define WIN_READDMA_EXT 0x25 /* 48-Bit */ 92 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */ 93 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ 94 /* reserved 0x28 */ 95 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ 96 /* READ STREAM DMA EXT 0x2A */ 97 /* READ STREAM EXT 0x2B */ 98 /* reserved 0x2C..0x2E */ 99 /* READ LOG EXT 0x2F */ 100 #define WIN_WRITE 0x30 /* 28-Bit */ 101 #define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete since ATA5 */ 102 /* obsolete since ATA4 0x32..0x33 */ 103 #define WIN_WRITE_EXT 0x34 /* 48-Bit */ 104 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ 105 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ 106 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */ 107 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ 108 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ 109 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ 110 /* WRITE STREAM DMA EXT 0x3A */ 111 /* WRITE STREAM EXT 0x3B */ 112 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */ 113 /* WRITE DMA FUA EXT 0x3D */ 114 /* obsolete since ACS2 0x3E */ 115 /* WRITE LOG EXT 0x3F */ 116 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ 117 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */ 118 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */ 119 /* reserved 0x43..0x44 */ 120 /* WRITE UNCORRECTABLE EXT 0x45 */ 121 /* reserved 0x46 */ 122 /* READ LOG DMA EXT 0x47 */ 123 /* reserved 0x48..0x4F */ 124 /* obsolete since ATA4 0x50 */ 125 /* CONFIGURE STREAM 0x51 */ 126 /* reserved 0x52..0x56 */ 127 /* WRITE LOG DMA EXT 0x57 */ 128 /* reserved 0x58..0x5A */ 129 /* TRUSTED NON DATA 0x5B */ 130 /* TRUSTED RECEIVE 0x5C */ 131 /* TRUSTED RECEIVE DMA 0x5D */ 132 /* TRUSTED SEND 0x5E */ 133 /* TRUSTED SEND DMA 0x5F */ 134 /* READ FPDMA QUEUED 0x60 */ 135 /* WRITE FPDMA QUEUED 0x61 */ 136 /* reserved 0x62->0x6F */ 137 #define WIN_SEEK 0x70 /* obsolete since ATA7 */ 138 /* reserved 0x71-0x7F */ 139 /* vendor specific 0x80-0x86 */ 140 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ 141 /* vendor specific 0x88-0x8F */ 142 #define WIN_DIAGNOSE 0x90 143 #define WIN_SPECIFY 0x91 /* set drive geometry translation, obsolete since ATA6 */ 144 #define WIN_DOWNLOAD_MICROCODE 0x92 145 /* DOWNLOAD MICROCODE DMA 0x93 */ 146 #define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */ 147 #define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready", retired in ATA4 */ 148 #define WIN_STANDBY2 0x96 /* retired in ATA4 */ 149 #define WIN_SETIDLE2 0x97 /* retired in ATA4 */ 150 #define WIN_CHECKPOWERMODE2 0x98 /* retired in ATA4 */ 151 #define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */ 152 /* vendor specific 0x9A */ 153 /* reserved 0x9B..0x9F */ 154 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ 155 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ 156 #define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */ 157 /* reserved 0xA3..0xAF */ 158 #define WIN_SMART 0xB0 /* self-monitoring and reporting */ 159 /* Device Configuration Overlay 0xB1 */ 160 /* reserved 0xB2..0xB3 */ 161 /* Sanitize Device 0xB4 */ 162 /* reserved 0xB5 */ 163 /* NV Cache 0xB6 */ 164 /* reserved for CFA 0xB7..0xBB */ 165 #define CFA_ACCESS_METADATA_STORAGE 0xB8 166 /* reserved 0xBC..0xBF */ 167 #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */ 168 /* vendor specific 0xC1..0xC3 */ 169 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ 170 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ 171 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ 172 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */ 173 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ 174 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */ 175 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ 176 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */ 177 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */ 178 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ 179 /* WRITE MULTIPLE FUA EXT 0xCE */ 180 /* reserved 0xCF..0xDO */ 181 /* CHECK MEDIA CARD TYPE 0xD1 */ 182 /* reserved for media card pass through 0xD2..0xD4 */ 183 /* reserved 0xD5..0xD9 */ 184 #define WIN_GETMEDIASTATUS 0xDA /* obsolete since ATA8 */ 185 /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */ 186 #define WIN_DOORLOCK 0xDE /* lock door on removable drives, obsolete since ATA8 */ 187 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives, obsolete since ATA8 */ 188 #define WIN_STANDBYNOW1 0xE0 189 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ 190 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ 191 #define WIN_SETIDLE1 0xE3 192 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ 193 #define WIN_CHECKPOWERMODE1 0xE5 194 #define WIN_SLEEPNOW1 0xE6 195 #define WIN_FLUSH_CACHE 0xE7 196 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ 197 /* READ BUFFER DMA 0xE9 */ 198 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ 199 /* WRITE BUFFER DMA 0xEB */ 200 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ 201 #define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */ 202 /* obsolete since ATA4 0xEE */ 203 #define WIN_SETFEATURES 0xEF /* set special drive features */ 204 #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature, vendor specific */ 205 #define WIN_SECURITY_SET_PASS 0xF1 206 #define WIN_SECURITY_UNLOCK 0xF2 207 #define WIN_SECURITY_ERASE_PREPARE 0xF3 208 #define WIN_SECURITY_ERASE_UNIT 0xF4 209 #define WIN_SECURITY_FREEZE_LOCK 0xF5 210 #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP; not specified in T13! */ 211 #define WIN_SECURITY_DISABLE 0xF6 212 /* vendor specific 0xF7 */ 213 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ 214 #define WIN_SET_MAX 0xF9 215 /* vendor specific 0xFA..0xFF */ 216 217 /* set to 1 set disable mult support */ 218 #define MAX_MULT_SECTORS 16 219 220 #define IDE_DMA_BUF_SECTORS 256 221 222 /* feature values for Data Set Management */ 223 #define DSM_TRIM 0x01 224 225 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS) 226 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" 227 #endif 228 229 /* ATAPI defines */ 230 231 #define ATAPI_PACKET_SIZE 12 232 233 /* The generic packet command opcodes for CD/DVD Logical Units, 234 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ 235 #define GPCMD_BLANK 0xa1 236 #define GPCMD_CLOSE_TRACK 0x5b 237 #define GPCMD_FLUSH_CACHE 0x35 238 #define GPCMD_FORMAT_UNIT 0x04 239 #define GPCMD_GET_CONFIGURATION 0x46 240 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a 241 #define GPCMD_GET_PERFORMANCE 0xac 242 #define GPCMD_INQUIRY 0x12 243 #define GPCMD_LOAD_UNLOAD 0xa6 244 #define GPCMD_MECHANISM_STATUS 0xbd 245 #define GPCMD_MODE_SELECT_10 0x55 246 #define GPCMD_MODE_SENSE_10 0x5a 247 #define GPCMD_PAUSE_RESUME 0x4b 248 #define GPCMD_PLAY_AUDIO_10 0x45 249 #define GPCMD_PLAY_AUDIO_MSF 0x47 250 #define GPCMD_PLAY_AUDIO_TI 0x48 251 #define GPCMD_PLAY_CD 0xbc 252 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 253 #define GPCMD_READ_10 0x28 254 #define GPCMD_READ_12 0xa8 255 #define GPCMD_READ_CDVD_CAPACITY 0x25 256 #define GPCMD_READ_CD 0xbe 257 #define GPCMD_READ_CD_MSF 0xb9 258 #define GPCMD_READ_DISC_INFO 0x51 259 #define GPCMD_READ_DVD_STRUCTURE 0xad 260 #define GPCMD_READ_FORMAT_CAPACITIES 0x23 261 #define GPCMD_READ_HEADER 0x44 262 #define GPCMD_READ_TRACK_RZONE_INFO 0x52 263 #define GPCMD_READ_SUBCHANNEL 0x42 264 #define GPCMD_READ_TOC_PMA_ATIP 0x43 265 #define GPCMD_REPAIR_RZONE_TRACK 0x58 266 #define GPCMD_REPORT_KEY 0xa4 267 #define GPCMD_REQUEST_SENSE 0x03 268 #define GPCMD_RESERVE_RZONE_TRACK 0x53 269 #define GPCMD_SCAN 0xba 270 #define GPCMD_SEEK 0x2b 271 #define GPCMD_SEND_DVD_STRUCTURE 0xad 272 #define GPCMD_SEND_EVENT 0xa2 273 #define GPCMD_SEND_KEY 0xa3 274 #define GPCMD_SEND_OPC 0x54 275 #define GPCMD_SET_READ_AHEAD 0xa7 276 #define GPCMD_SET_STREAMING 0xb6 277 #define GPCMD_START_STOP_UNIT 0x1b 278 #define GPCMD_STOP_PLAY_SCAN 0x4e 279 #define GPCMD_TEST_UNIT_READY 0x00 280 #define GPCMD_VERIFY_10 0x2f 281 #define GPCMD_WRITE_10 0x2a 282 #define GPCMD_WRITE_AND_VERIFY_10 0x2e 283 /* This is listed as optional in ATAPI 2.6, but is (curiously) 284 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji 285 * Table 377 as an MMC command for SCSi devices though... Most ATAPI 286 * drives support it. */ 287 #define GPCMD_SET_SPEED 0xbb 288 /* This seems to be a SCSI specific CD-ROM opcode 289 * to play data at track/index */ 290 #define GPCMD_PLAYAUDIO_TI 0x48 291 /* 292 * From MS Media Status Notification Support Specification. For 293 * older drives only. 294 */ 295 #define GPCMD_GET_MEDIA_STATUS 0xda 296 #define GPCMD_MODE_SENSE_6 0x1a 297 298 #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ 299 #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ 300 #define ATAPI_INT_REASON_REL 0x04 301 #define ATAPI_INT_REASON_TAG 0xf8 302 303 /* same constants as bochs */ 304 #define ASC_NO_SEEK_COMPLETE 0x02 305 #define ASC_ILLEGAL_OPCODE 0x20 306 #define ASC_LOGICAL_BLOCK_OOR 0x21 307 #define ASC_INV_FIELD_IN_CMD_PACKET 0x24 308 #define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28 309 #define ASC_INCOMPATIBLE_FORMAT 0x30 310 #define ASC_MEDIUM_NOT_PRESENT 0x3a 311 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 312 #define ASC_DATA_PHASE_ERROR 0x4b 313 #define ASC_MEDIA_REMOVAL_PREVENTED 0x53 314 315 #define CFA_NO_ERROR 0x00 316 #define CFA_MISC_ERROR 0x09 317 #define CFA_INVALID_COMMAND 0x20 318 #define CFA_INVALID_ADDRESS 0x21 319 #define CFA_ADDRESS_OVERFLOW 0x2f 320 321 #define SMART_READ_DATA 0xd0 322 #define SMART_READ_THRESH 0xd1 323 #define SMART_ATTR_AUTOSAVE 0xd2 324 #define SMART_SAVE_ATTR 0xd3 325 #define SMART_EXECUTE_OFFLINE 0xd4 326 #define SMART_READ_LOG 0xd5 327 #define SMART_WRITE_LOG 0xd6 328 #define SMART_ENABLE 0xd8 329 #define SMART_DISABLE 0xd9 330 #define SMART_STATUS 0xda 331 332 typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind; 333 334 typedef void EndTransferFunc(IDEState *); 335 336 typedef void DMAStartFunc(const IDEDMA *, IDEState *, BlockCompletionFunc *); 337 typedef void DMAVoidFunc(const IDEDMA *); 338 typedef int DMAIntFunc(const IDEDMA *, bool); 339 typedef int32_t DMAInt32Func(const IDEDMA *, int32_t len); 340 typedef void DMAu32Func(const IDEDMA *, uint32_t); 341 typedef void DMAStopFunc(const IDEDMA *, bool); 342 343 struct unreported_events { 344 bool eject_request; 345 bool new_media; 346 }; 347 348 enum ide_dma_cmd { 349 IDE_DMA_READ = 0, 350 IDE_DMA_WRITE, 351 IDE_DMA_TRIM, 352 IDE_DMA_ATAPI, 353 IDE_DMA__COUNT 354 }; 355 356 extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT]; 357 358 #define ide_cmd_is_read(s) \ 359 ((s)->dma_cmd == IDE_DMA_READ) 360 361 typedef struct IDEBufferedRequest { 362 QLIST_ENTRY(IDEBufferedRequest) list; 363 QEMUIOVector qiov; 364 QEMUIOVector *original_qiov; 365 BlockCompletionFunc *original_cb; 366 void *original_opaque; 367 bool orphaned; 368 } IDEBufferedRequest; 369 370 /* NOTE: IDEState represents in fact one drive */ 371 struct IDEState { 372 IDEBus *bus; 373 uint8_t unit; 374 /* ide config */ 375 IDEDriveKind drive_kind; 376 int drive_heads, drive_sectors; 377 int cylinders, heads, sectors, chs_trans; 378 int64_t nb_sectors; 379 int mult_sectors; 380 int identify_set; 381 uint8_t identify_data[512]; 382 int drive_serial; 383 char drive_serial_str[21]; 384 char drive_model_str[41]; 385 uint64_t wwn; 386 /* ide regs */ 387 uint8_t feature; 388 uint8_t error; 389 uint32_t nsector; 390 uint8_t sector; 391 uint8_t lcyl; 392 uint8_t hcyl; 393 /* other part of tf for lba48 support */ 394 uint8_t hob_feature; 395 uint8_t hob_nsector; 396 uint8_t hob_sector; 397 uint8_t hob_lcyl; 398 uint8_t hob_hcyl; 399 400 uint8_t select; 401 uint8_t status; 402 403 bool io8; 404 bool reset_reverts; 405 406 /* set for lba48 access */ 407 uint8_t lba48; 408 BlockBackend *blk; 409 char version[9]; 410 /* ATAPI specific */ 411 struct unreported_events events; 412 uint8_t sense_key; 413 uint8_t asc; 414 bool tray_open; 415 bool tray_locked; 416 uint8_t cdrom_changed; 417 int packet_transfer_size; 418 int elementary_transfer_size; 419 int32_t io_buffer_index; 420 int lba; 421 int cd_sector_size; 422 int atapi_dma; /* true if dma is requested for the packet cmd */ 423 BlockAcctCookie acct; 424 BlockAIOCB *pio_aiocb; 425 QEMUIOVector qiov; 426 QLIST_HEAD(, IDEBufferedRequest) buffered_requests; 427 /* ATA DMA state */ 428 uint64_t io_buffer_offset; 429 int32_t io_buffer_size; 430 QEMUSGList sg; 431 /* PIO transfer handling */ 432 int req_nb_sectors; /* number of sectors per interrupt */ 433 EndTransferFunc *end_transfer_func; 434 uint8_t *data_ptr; 435 uint8_t *data_end; 436 uint8_t *io_buffer; 437 /* PIO save/restore */ 438 int32_t io_buffer_total_len; 439 int32_t cur_io_buffer_offset; 440 int32_t cur_io_buffer_len; 441 uint8_t end_transfer_fn_idx; 442 QEMUTimer *sector_write_timer; /* only used for win2k install hack */ 443 uint32_t irq_count; /* counts IRQs when using win2k install hack */ 444 /* CF-ATA extended error */ 445 uint8_t ext_error; 446 /* CF-ATA metadata storage */ 447 uint32_t mdata_size; 448 uint8_t *mdata_storage; 449 int media_changed; 450 enum ide_dma_cmd dma_cmd; 451 /* SMART */ 452 uint8_t smart_enabled; 453 uint8_t smart_autosave; 454 int smart_errors; 455 uint8_t smart_selftest_count; 456 uint8_t *smart_selftest_data; 457 /* AHCI */ 458 int ncq_queues; 459 }; 460 461 struct IDEDMAOps { 462 DMAStartFunc *start_dma; 463 DMAVoidFunc *pio_transfer; 464 DMAInt32Func *prepare_buf; 465 DMAu32Func *commit_buf; 466 DMAIntFunc *rw_buf; 467 DMAVoidFunc *restart; 468 DMAVoidFunc *restart_dma; 469 DMAStopFunc *set_inactive; 470 DMAVoidFunc *cmd_done; 471 DMAVoidFunc *reset; 472 }; 473 474 struct IDEDMA { 475 const struct IDEDMAOps *ops; 476 QEMUIOVector qiov; 477 BlockAIOCB *aiocb; 478 }; 479 480 struct IDEBus { 481 BusState qbus; 482 IDEDevice *master; 483 IDEDevice *slave; 484 IDEState ifs[2]; 485 QEMUBH *bh; 486 487 int bus_id; 488 int max_units; 489 IDEDMA *dma; 490 uint8_t unit; 491 uint8_t cmd; 492 qemu_irq irq; 493 494 int error_status; 495 uint8_t retry_unit; 496 int64_t retry_sector_num; 497 uint32_t retry_nsector; 498 PortioList portio_list; 499 PortioList portio2_list; 500 VMChangeStateEntry *vmstate; 501 }; 502 503 #define TYPE_IDE_DEVICE "ide-device" 504 OBJECT_DECLARE_TYPE(IDEDevice, IDEDeviceClass, IDE_DEVICE) 505 506 struct IDEDeviceClass { 507 DeviceClass parent_class; 508 void (*realize)(IDEDevice *dev, Error **errp); 509 }; 510 511 struct IDEDevice { 512 DeviceState qdev; 513 uint32_t unit; 514 BlockConf conf; 515 int chs_trans; 516 char *version; 517 char *serial; 518 char *model; 519 uint64_t wwn; 520 /* 521 * 0x0000 - rotation rate not reported 522 * 0x0001 - non-rotating medium (SSD) 523 * 0x0002-0x0400 - reserved 524 * 0x0401-0xffe - rotations per minute 525 * 0xffff - reserved 526 */ 527 uint16_t rotation_rate; 528 }; 529 530 /* These are used for the error_status field of IDEBus */ 531 #define IDE_RETRY_MASK 0xf8 532 #define IDE_RETRY_DMA 0x08 533 #define IDE_RETRY_PIO 0x10 534 #define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */ 535 #define IDE_RETRY_READ 0x20 536 #define IDE_RETRY_FLUSH 0x40 537 #define IDE_RETRY_TRIM 0x80 538 #define IDE_RETRY_HBA 0x100 539 540 #define IS_IDE_RETRY_DMA(_status) \ 541 ((_status) & IDE_RETRY_DMA) 542 543 #define IS_IDE_RETRY_PIO(_status) \ 544 ((_status) & IDE_RETRY_PIO) 545 546 /* 547 * The method of the IDE_RETRY_ATAPI determination is to use a previously 548 * impossible bit combination as a new status value. 549 */ 550 #define IS_IDE_RETRY_ATAPI(_status) \ 551 (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI) 552 553 static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd) 554 { 555 switch (dma_cmd) { 556 case IDE_DMA_READ: 557 return IDE_RETRY_DMA | IDE_RETRY_READ; 558 case IDE_DMA_WRITE: 559 return IDE_RETRY_DMA; 560 case IDE_DMA_TRIM: 561 return IDE_RETRY_DMA | IDE_RETRY_TRIM; 562 case IDE_DMA_ATAPI: 563 return IDE_RETRY_ATAPI; 564 default: 565 break; 566 } 567 return 0; 568 } 569 570 static inline IDEState *idebus_active_if(IDEBus *bus) 571 { 572 return bus->ifs + bus->unit; 573 } 574 575 static inline void ide_set_irq(IDEBus *bus) 576 { 577 if (!(bus->cmd & IDE_CTRL_DISABLE_IRQ)) { 578 qemu_irq_raise(bus->irq); 579 } 580 } 581 582 /* hw/ide/core.c */ 583 extern const VMStateDescription vmstate_ide_bus; 584 585 #define VMSTATE_IDE_BUS(_field, _state) \ 586 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus) 587 588 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \ 589 VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus) 590 591 extern const VMStateDescription vmstate_ide_drive; 592 593 #define VMSTATE_IDE_DRIVES(_field, _state) \ 594 VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState) 595 596 #define VMSTATE_IDE_DRIVE(_field, _state) \ 597 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState) 598 599 void ide_bus_reset(IDEBus *bus); 600 int64_t ide_get_sector(IDEState *s); 601 void ide_set_sector(IDEState *s, int64_t sector_num); 602 603 void ide_start_dma(IDEState *s, BlockCompletionFunc *cb); 604 void dma_buf_commit(IDEState *s, uint32_t tx_bytes); 605 void ide_dma_error(IDEState *s); 606 void ide_abort_command(IDEState *s); 607 608 void ide_atapi_cmd_ok(IDEState *s); 609 void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); 610 void ide_atapi_dma_restart(IDEState *s); 611 void ide_atapi_io_error(IDEState *s, int ret); 612 613 void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); 614 uint32_t ide_ioport_read(void *opaque, uint32_t addr1); 615 uint32_t ide_status_read(void *opaque, uint32_t addr); 616 void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val); 617 void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); 618 uint32_t ide_data_readw(void *opaque, uint32_t addr); 619 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); 620 uint32_t ide_data_readl(void *opaque, uint32_t addr); 621 622 int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, 623 const char *version, const char *serial, const char *model, 624 uint64_t wwn, 625 uint32_t cylinders, uint32_t heads, uint32_t secs, 626 int chs_trans, Error **errp); 627 void ide_init2(IDEBus *bus, qemu_irq irq); 628 void ide_exit(IDEState *s); 629 int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2); 630 void ide_register_restart_cb(IDEBus *bus); 631 632 void ide_exec_cmd(IDEBus *bus, uint32_t val); 633 634 void ide_transfer_start(IDEState *s, uint8_t *buf, int size, 635 EndTransferFunc *end_transfer_func); 636 bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size, 637 EndTransferFunc *end_transfer_func); 638 void ide_transfer_stop(IDEState *s); 639 void ide_set_inactive(IDEState *s, bool more); 640 BlockAIOCB *ide_issue_trim( 641 int64_t offset, QEMUIOVector *qiov, 642 BlockCompletionFunc *cb, void *cb_opaque, void *opaque); 643 BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num, 644 QEMUIOVector *iov, int nb_sectors, 645 BlockCompletionFunc *cb, void *opaque); 646 void ide_cancel_dma_sync(IDEState *s); 647 648 /* hw/ide/atapi.c */ 649 void ide_atapi_cmd(IDEState *s); 650 void ide_atapi_cmd_reply_end(IDEState *s); 651 652 /* hw/ide/qdev.c */ 653 void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev, 654 int bus_id, int max_units); 655 IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive); 656 657 int ide_handle_rw_error(IDEState *s, int error, int op); 658 659 #endif /* HW_IDE_INTERNAL_H */ 660