internal.h (23647B)
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 "qapi/qapi-types-run-state.h" 11 #include "hw/ide.h" 12 #include "hw/irq.h" 13 #include "hw/isa/isa.h" 14 #include "sysemu/dma.h" 15 #include "hw/block/block.h" 16 #include "scsi/constants.h" 17 18 /* debug IDE devices */ 19 #define USE_DMA_CDROM 20 #include "qom/object.h" 21 22 typedef struct IDEDevice IDEDevice; 23 typedef struct IDEState IDEState; 24 typedef struct IDEDMA IDEDMA; 25 typedef struct IDEDMAOps IDEDMAOps; 26 27 #define TYPE_IDE_BUS "IDE" 28 OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS) 29 30 #define MAX_IDE_DEVS 2 31 32 /* Device/Head ("select") Register */ 33 #define ATA_DEV_SELECT 0x10 34 /* ATA1,3: Defined as '1'. 35 * ATA2: Reserved. 36 * ATA3-7: obsolete. */ 37 #define ATA_DEV_ALWAYS_ON 0xA0 38 #define ATA_DEV_LBA 0x40 39 #define ATA_DEV_LBA_MSB 0x0F /* LBA 24:27 */ 40 #define ATA_DEV_HS 0x0F /* HS 3:0 */ 41 42 43 /* Bits of HD_STATUS */ 44 #define ERR_STAT 0x01 45 #define INDEX_STAT 0x02 46 #define ECC_STAT 0x04 /* Corrected error */ 47 #define DRQ_STAT 0x08 48 #define SEEK_STAT 0x10 49 #define SRV_STAT 0x10 50 #define WRERR_STAT 0x20 51 #define READY_STAT 0x40 52 #define BUSY_STAT 0x80 53 54 /* Bits for HD_ERROR */ 55 #define MARK_ERR 0x01 /* Bad address mark */ 56 #define TRK0_ERR 0x02 /* couldn't find track 0 */ 57 #define ABRT_ERR 0x04 /* Command aborted */ 58 #define MCR_ERR 0x08 /* media change request */ 59 #define ID_ERR 0x10 /* ID field not found */ 60 #define MC_ERR 0x20 /* media changed */ 61 #define ECC_ERR 0x40 /* Uncorrectable ECC error */ 62 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ 63 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ 64 65 /* Bits of HD_NSECTOR */ 66 #define CD 0x01 67 #define IO 0x02 68 #define REL 0x04 69 #define TAG_MASK 0xf8 70 71 /* Bits of Device Control register */ 72 #define IDE_CTRL_HOB 0x80 73 #define IDE_CTRL_RESET 0x04 74 #define IDE_CTRL_DISABLE_IRQ 0x02 75 76 /* ACS-2 T13/2015-D Table B.2 Command codes */ 77 #define WIN_NOP 0x00 78 /* reserved 0x01..0x02 */ 79 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ 80 /* reserved 0x04..0x05 */ 81 #define WIN_DSM 0x06 82 /* reserved 0x07 */ 83 #define WIN_DEVICE_RESET 0x08 84 /* reserved 0x09..0x0a */ 85 /* REQUEST SENSE DATA EXT 0x0B */ 86 /* reserved 0x0C..0x0F */ 87 #define WIN_RECAL 0x10 /* obsolete since ATA4 */ 88 /* obsolete since ATA3, retired in ATA4 0x11..0x1F */ 89 #define WIN_READ 0x20 /* 28-Bit */ 90 #define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete since ATA5 */ 91 /* obsolete since ATA4 0x22..0x23 */ 92 #define WIN_READ_EXT 0x24 /* 48-Bit */ 93 #define WIN_READDMA_EXT 0x25 /* 48-Bit */ 94 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */ 95 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ 96 /* reserved 0x28 */ 97 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ 98 /* READ STREAM DMA EXT 0x2A */ 99 /* READ STREAM EXT 0x2B */ 100 /* reserved 0x2C..0x2E */ 101 /* READ LOG EXT 0x2F */ 102 #define WIN_WRITE 0x30 /* 28-Bit */ 103 #define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete since ATA5 */ 104 /* obsolete since ATA4 0x32..0x33 */ 105 #define WIN_WRITE_EXT 0x34 /* 48-Bit */ 106 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ 107 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ 108 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */ 109 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ 110 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ 111 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ 112 /* WRITE STREAM DMA EXT 0x3A */ 113 /* WRITE STREAM EXT 0x3B */ 114 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */ 115 /* WRITE DMA FUA EXT 0x3D */ 116 /* obsolete since ACS2 0x3E */ 117 /* WRITE LOG EXT 0x3F */ 118 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ 119 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */ 120 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */ 121 /* reserved 0x43..0x44 */ 122 /* WRITE UNCORRECTABLE EXT 0x45 */ 123 /* reserved 0x46 */ 124 /* READ LOG DMA EXT 0x47 */ 125 /* reserved 0x48..0x4F */ 126 /* obsolete since ATA4 0x50 */ 127 /* CONFIGURE STREAM 0x51 */ 128 /* reserved 0x52..0x56 */ 129 /* WRITE LOG DMA EXT 0x57 */ 130 /* reserved 0x58..0x5A */ 131 /* TRUSTED NON DATA 0x5B */ 132 /* TRUSTED RECEIVE 0x5C */ 133 /* TRUSTED RECEIVE DMA 0x5D */ 134 /* TRUSTED SEND 0x5E */ 135 /* TRUSTED SEND DMA 0x5F */ 136 /* READ FPDMA QUEUED 0x60 */ 137 /* WRITE FPDMA QUEUED 0x61 */ 138 /* reserved 0x62->0x6F */ 139 #define WIN_SEEK 0x70 /* obsolete since ATA7 */ 140 /* reserved 0x71-0x7F */ 141 /* vendor specific 0x80-0x86 */ 142 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ 143 /* vendor specific 0x88-0x8F */ 144 #define WIN_DIAGNOSE 0x90 145 #define WIN_SPECIFY 0x91 /* set drive geometry translation, obsolete since ATA6 */ 146 #define WIN_DOWNLOAD_MICROCODE 0x92 147 /* DOWNLOAD MICROCODE DMA 0x93 */ 148 #define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */ 149 #define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready", retired in ATA4 */ 150 #define WIN_STANDBY2 0x96 /* retired in ATA4 */ 151 #define WIN_SETIDLE2 0x97 /* retired in ATA4 */ 152 #define WIN_CHECKPOWERMODE2 0x98 /* retired in ATA4 */ 153 #define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */ 154 /* vendor specific 0x9A */ 155 /* reserved 0x9B..0x9F */ 156 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ 157 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ 158 #define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */ 159 /* reserved 0xA3..0xAF */ 160 #define WIN_SMART 0xB0 /* self-monitoring and reporting */ 161 /* Device Configuration Overlay 0xB1 */ 162 /* reserved 0xB2..0xB3 */ 163 /* Sanitize Device 0xB4 */ 164 /* reserved 0xB5 */ 165 /* NV Cache 0xB6 */ 166 /* reserved for CFA 0xB7..0xBB */ 167 #define CFA_ACCESS_METADATA_STORAGE 0xB8 168 /* reserved 0xBC..0xBF */ 169 #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */ 170 /* vendor specific 0xC1..0xC3 */ 171 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ 172 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ 173 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ 174 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */ 175 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ 176 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */ 177 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ 178 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */ 179 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */ 180 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ 181 /* WRITE MULTIPLE FUA EXT 0xCE */ 182 /* reserved 0xCF..0xDO */ 183 /* CHECK MEDIA CARD TYPE 0xD1 */ 184 /* reserved for media card pass through 0xD2..0xD4 */ 185 /* reserved 0xD5..0xD9 */ 186 #define WIN_GETMEDIASTATUS 0xDA /* obsolete since ATA8 */ 187 /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */ 188 #define WIN_DOORLOCK 0xDE /* lock door on removable drives, obsolete since ATA8 */ 189 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives, obsolete since ATA8 */ 190 #define WIN_STANDBYNOW1 0xE0 191 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ 192 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ 193 #define WIN_SETIDLE1 0xE3 194 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ 195 #define WIN_CHECKPOWERMODE1 0xE5 196 #define WIN_SLEEPNOW1 0xE6 197 #define WIN_FLUSH_CACHE 0xE7 198 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ 199 /* READ BUFFER DMA 0xE9 */ 200 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ 201 /* WRITE BUFFER DMA 0xEB */ 202 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ 203 #define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */ 204 /* obsolete since ATA4 0xEE */ 205 #define WIN_SETFEATURES 0xEF /* set special drive features */ 206 #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature, vendor specific */ 207 #define WIN_SECURITY_SET_PASS 0xF1 208 #define WIN_SECURITY_UNLOCK 0xF2 209 #define WIN_SECURITY_ERASE_PREPARE 0xF3 210 #define WIN_SECURITY_ERASE_UNIT 0xF4 211 #define WIN_SECURITY_FREEZE_LOCK 0xF5 212 #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP; not specified in T13! */ 213 #define WIN_SECURITY_DISABLE 0xF6 214 /* vendor specific 0xF7 */ 215 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ 216 #define WIN_SET_MAX 0xF9 217 /* vendor specific 0xFA..0xFF */ 218 219 /* set to 1 set disable mult support */ 220 #define MAX_MULT_SECTORS 16 221 222 #define IDE_DMA_BUF_SECTORS 256 223 224 /* feature values for Data Set Management */ 225 #define DSM_TRIM 0x01 226 227 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS) 228 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" 229 #endif 230 231 /* ATAPI defines */ 232 233 #define ATAPI_PACKET_SIZE 12 234 235 /* The generic packet command opcodes for CD/DVD Logical Units, 236 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ 237 #define GPCMD_BLANK 0xa1 238 #define GPCMD_CLOSE_TRACK 0x5b 239 #define GPCMD_FLUSH_CACHE 0x35 240 #define GPCMD_FORMAT_UNIT 0x04 241 #define GPCMD_GET_CONFIGURATION 0x46 242 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a 243 #define GPCMD_GET_PERFORMANCE 0xac 244 #define GPCMD_INQUIRY 0x12 245 #define GPCMD_LOAD_UNLOAD 0xa6 246 #define GPCMD_MECHANISM_STATUS 0xbd 247 #define GPCMD_MODE_SELECT_10 0x55 248 #define GPCMD_MODE_SENSE_10 0x5a 249 #define GPCMD_PAUSE_RESUME 0x4b 250 #define GPCMD_PLAY_AUDIO_10 0x45 251 #define GPCMD_PLAY_AUDIO_MSF 0x47 252 #define GPCMD_PLAY_AUDIO_TI 0x48 253 #define GPCMD_PLAY_CD 0xbc 254 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 255 #define GPCMD_READ_10 0x28 256 #define GPCMD_READ_12 0xa8 257 #define GPCMD_READ_CDVD_CAPACITY 0x25 258 #define GPCMD_READ_CD 0xbe 259 #define GPCMD_READ_CD_MSF 0xb9 260 #define GPCMD_READ_DISC_INFO 0x51 261 #define GPCMD_READ_DVD_STRUCTURE 0xad 262 #define GPCMD_READ_FORMAT_CAPACITIES 0x23 263 #define GPCMD_READ_HEADER 0x44 264 #define GPCMD_READ_TRACK_RZONE_INFO 0x52 265 #define GPCMD_READ_SUBCHANNEL 0x42 266 #define GPCMD_READ_TOC_PMA_ATIP 0x43 267 #define GPCMD_REPAIR_RZONE_TRACK 0x58 268 #define GPCMD_REPORT_KEY 0xa4 269 #define GPCMD_REQUEST_SENSE 0x03 270 #define GPCMD_RESERVE_RZONE_TRACK 0x53 271 #define GPCMD_SCAN 0xba 272 #define GPCMD_SEEK 0x2b 273 #define GPCMD_SEND_DVD_STRUCTURE 0xad 274 #define GPCMD_SEND_EVENT 0xa2 275 #define GPCMD_SEND_KEY 0xa3 276 #define GPCMD_SEND_OPC 0x54 277 #define GPCMD_SET_READ_AHEAD 0xa7 278 #define GPCMD_SET_STREAMING 0xb6 279 #define GPCMD_START_STOP_UNIT 0x1b 280 #define GPCMD_STOP_PLAY_SCAN 0x4e 281 #define GPCMD_TEST_UNIT_READY 0x00 282 #define GPCMD_VERIFY_10 0x2f 283 #define GPCMD_WRITE_10 0x2a 284 #define GPCMD_WRITE_AND_VERIFY_10 0x2e 285 /* This is listed as optional in ATAPI 2.6, but is (curiously) 286 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji 287 * Table 377 as an MMC command for SCSi devices though... Most ATAPI 288 * drives support it. */ 289 #define GPCMD_SET_SPEED 0xbb 290 /* This seems to be a SCSI specific CD-ROM opcode 291 * to play data at track/index */ 292 #define GPCMD_PLAYAUDIO_TI 0x48 293 /* 294 * From MS Media Status Notification Support Specification. For 295 * older drives only. 296 */ 297 #define GPCMD_GET_MEDIA_STATUS 0xda 298 #define GPCMD_MODE_SENSE_6 0x1a 299 300 #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ 301 #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ 302 #define ATAPI_INT_REASON_REL 0x04 303 #define ATAPI_INT_REASON_TAG 0xf8 304 305 /* same constants as bochs */ 306 #define ASC_NO_SEEK_COMPLETE 0x02 307 #define ASC_ILLEGAL_OPCODE 0x20 308 #define ASC_LOGICAL_BLOCK_OOR 0x21 309 #define ASC_INV_FIELD_IN_CMD_PACKET 0x24 310 #define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28 311 #define ASC_INCOMPATIBLE_FORMAT 0x30 312 #define ASC_MEDIUM_NOT_PRESENT 0x3a 313 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 314 #define ASC_DATA_PHASE_ERROR 0x4b 315 #define ASC_MEDIA_REMOVAL_PREVENTED 0x53 316 317 #define CFA_NO_ERROR 0x00 318 #define CFA_MISC_ERROR 0x09 319 #define CFA_INVALID_COMMAND 0x20 320 #define CFA_INVALID_ADDRESS 0x21 321 #define CFA_ADDRESS_OVERFLOW 0x2f 322 323 #define SMART_READ_DATA 0xd0 324 #define SMART_READ_THRESH 0xd1 325 #define SMART_ATTR_AUTOSAVE 0xd2 326 #define SMART_SAVE_ATTR 0xd3 327 #define SMART_EXECUTE_OFFLINE 0xd4 328 #define SMART_READ_LOG 0xd5 329 #define SMART_WRITE_LOG 0xd6 330 #define SMART_ENABLE 0xd8 331 #define SMART_DISABLE 0xd9 332 #define SMART_STATUS 0xda 333 334 typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind; 335 336 typedef void EndTransferFunc(IDEState *); 337 338 typedef void DMAStartFunc(const IDEDMA *, IDEState *, BlockCompletionFunc *); 339 typedef void DMAVoidFunc(const IDEDMA *); 340 typedef int DMAIntFunc(const IDEDMA *, bool); 341 typedef int32_t DMAInt32Func(const IDEDMA *, int32_t len); 342 typedef void DMAu32Func(const IDEDMA *, uint32_t); 343 typedef void DMAStopFunc(const IDEDMA *, bool); 344 345 struct unreported_events { 346 bool eject_request; 347 bool new_media; 348 }; 349 350 enum ide_dma_cmd { 351 IDE_DMA_READ = 0, 352 IDE_DMA_WRITE, 353 IDE_DMA_TRIM, 354 IDE_DMA_ATAPI, 355 IDE_DMA__COUNT 356 }; 357 358 extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT]; 359 360 #define ide_cmd_is_read(s) \ 361 ((s)->dma_cmd == IDE_DMA_READ) 362 363 typedef struct IDEBufferedRequest { 364 QLIST_ENTRY(IDEBufferedRequest) list; 365 QEMUIOVector qiov; 366 QEMUIOVector *original_qiov; 367 BlockCompletionFunc *original_cb; 368 void *original_opaque; 369 bool orphaned; 370 } IDEBufferedRequest; 371 372 /* NOTE: IDEState represents in fact one drive */ 373 struct IDEState { 374 IDEBus *bus; 375 uint8_t unit; 376 /* ide config */ 377 IDEDriveKind drive_kind; 378 int drive_heads, drive_sectors; 379 int cylinders, heads, sectors, chs_trans; 380 int64_t nb_sectors; 381 int mult_sectors; 382 int identify_set; 383 uint8_t identify_data[512]; 384 int drive_serial; 385 char drive_serial_str[21]; 386 char drive_model_str[41]; 387 uint64_t wwn; 388 /* ide regs */ 389 uint8_t feature; 390 uint8_t error; 391 uint32_t nsector; 392 uint8_t sector; 393 uint8_t lcyl; 394 uint8_t hcyl; 395 /* other part of tf for lba48 support */ 396 uint8_t hob_feature; 397 uint8_t hob_nsector; 398 uint8_t hob_sector; 399 uint8_t hob_lcyl; 400 uint8_t hob_hcyl; 401 402 uint8_t select; 403 uint8_t status; 404 405 bool reset_reverts; 406 407 /* set for lba48 access */ 408 uint8_t lba48; 409 BlockBackend *blk; 410 char version[9]; 411 /* ATAPI specific */ 412 struct unreported_events events; 413 uint8_t sense_key; 414 uint8_t asc; 415 bool tray_open; 416 bool tray_locked; 417 uint8_t cdrom_changed; 418 int packet_transfer_size; 419 int elementary_transfer_size; 420 int32_t io_buffer_index; 421 int lba; 422 int cd_sector_size; 423 int atapi_dma; /* true if dma is requested for the packet cmd */ 424 BlockAcctCookie acct; 425 BlockAIOCB *pio_aiocb; 426 QEMUIOVector qiov; 427 QLIST_HEAD(, IDEBufferedRequest) buffered_requests; 428 /* ATA DMA state */ 429 uint64_t io_buffer_offset; 430 int32_t io_buffer_size; 431 QEMUSGList sg; 432 /* PIO transfer handling */ 433 int req_nb_sectors; /* number of sectors per interrupt */ 434 EndTransferFunc *end_transfer_func; 435 uint8_t *data_ptr; 436 uint8_t *data_end; 437 uint8_t *io_buffer; 438 /* PIO save/restore */ 439 int32_t io_buffer_total_len; 440 int32_t cur_io_buffer_offset; 441 int32_t cur_io_buffer_len; 442 uint8_t end_transfer_fn_idx; 443 QEMUTimer *sector_write_timer; /* only used for win2k install hack */ 444 uint32_t irq_count; /* counts IRQs when using win2k install hack */ 445 /* CF-ATA extended error */ 446 uint8_t ext_error; 447 /* CF-ATA metadata storage */ 448 uint32_t mdata_size; 449 uint8_t *mdata_storage; 450 int media_changed; 451 enum ide_dma_cmd dma_cmd; 452 /* SMART */ 453 uint8_t smart_enabled; 454 uint8_t smart_autosave; 455 int smart_errors; 456 uint8_t smart_selftest_count; 457 uint8_t *smart_selftest_data; 458 /* AHCI */ 459 int ncq_queues; 460 }; 461 462 struct IDEDMAOps { 463 DMAStartFunc *start_dma; 464 DMAVoidFunc *pio_transfer; 465 DMAInt32Func *prepare_buf; 466 DMAu32Func *commit_buf; 467 DMAIntFunc *rw_buf; 468 DMAVoidFunc *restart; 469 DMAVoidFunc *restart_dma; 470 DMAStopFunc *set_inactive; 471 DMAVoidFunc *cmd_done; 472 DMAVoidFunc *reset; 473 }; 474 475 struct IDEDMA { 476 const struct IDEDMAOps *ops; 477 QEMUIOVector qiov; 478 BlockAIOCB *aiocb; 479 }; 480 481 struct IDEBus { 482 BusState qbus; 483 IDEDevice *master; 484 IDEDevice *slave; 485 IDEState ifs[2]; 486 QEMUBH *bh; 487 488 int bus_id; 489 int max_units; 490 IDEDMA *dma; 491 uint8_t unit; 492 uint8_t cmd; 493 qemu_irq irq; 494 495 int error_status; 496 uint8_t retry_unit; 497 int64_t retry_sector_num; 498 uint32_t retry_nsector; 499 PortioList portio_list; 500 PortioList portio2_list; 501 VMChangeStateEntry *vmstate; 502 }; 503 504 #define TYPE_IDE_DEVICE "ide-device" 505 OBJECT_DECLARE_TYPE(IDEDevice, IDEDeviceClass, IDE_DEVICE) 506 507 struct IDEDeviceClass { 508 DeviceClass parent_class; 509 void (*realize)(IDEDevice *dev, Error **errp); 510 }; 511 512 struct IDEDevice { 513 DeviceState qdev; 514 uint32_t unit; 515 BlockConf conf; 516 int chs_trans; 517 char *version; 518 char *serial; 519 char *model; 520 uint64_t wwn; 521 /* 522 * 0x0000 - rotation rate not reported 523 * 0x0001 - non-rotating medium (SSD) 524 * 0x0002-0x0400 - reserved 525 * 0x0401-0xffe - rotations per minute 526 * 0xffff - reserved 527 */ 528 uint16_t rotation_rate; 529 }; 530 531 /* These are used for the error_status field of IDEBus */ 532 #define IDE_RETRY_MASK 0xf8 533 #define IDE_RETRY_DMA 0x08 534 #define IDE_RETRY_PIO 0x10 535 #define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */ 536 #define IDE_RETRY_READ 0x20 537 #define IDE_RETRY_FLUSH 0x40 538 #define IDE_RETRY_TRIM 0x80 539 #define IDE_RETRY_HBA 0x100 540 541 #define IS_IDE_RETRY_DMA(_status) \ 542 ((_status) & IDE_RETRY_DMA) 543 544 #define IS_IDE_RETRY_PIO(_status) \ 545 ((_status) & IDE_RETRY_PIO) 546 547 /* 548 * The method of the IDE_RETRY_ATAPI determination is to use a previously 549 * impossible bit combination as a new status value. 550 */ 551 #define IS_IDE_RETRY_ATAPI(_status) \ 552 (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI) 553 554 static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd) 555 { 556 switch (dma_cmd) { 557 case IDE_DMA_READ: 558 return IDE_RETRY_DMA | IDE_RETRY_READ; 559 case IDE_DMA_WRITE: 560 return IDE_RETRY_DMA; 561 case IDE_DMA_TRIM: 562 return IDE_RETRY_DMA | IDE_RETRY_TRIM; 563 case IDE_DMA_ATAPI: 564 return IDE_RETRY_ATAPI; 565 default: 566 break; 567 } 568 return 0; 569 } 570 571 static inline IDEState *idebus_active_if(IDEBus *bus) 572 { 573 return bus->ifs + bus->unit; 574 } 575 576 static inline void ide_set_irq(IDEBus *bus) 577 { 578 if (!(bus->cmd & IDE_CTRL_DISABLE_IRQ)) { 579 qemu_irq_raise(bus->irq); 580 } 581 } 582 583 /* hw/ide/core.c */ 584 extern const VMStateDescription vmstate_ide_bus; 585 586 #define VMSTATE_IDE_BUS(_field, _state) \ 587 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus) 588 589 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \ 590 VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus) 591 592 extern const VMStateDescription vmstate_ide_drive; 593 594 #define VMSTATE_IDE_DRIVES(_field, _state) \ 595 VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState) 596 597 #define VMSTATE_IDE_DRIVE(_field, _state) \ 598 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState) 599 600 void ide_bus_reset(IDEBus *bus); 601 int64_t ide_get_sector(IDEState *s); 602 void ide_set_sector(IDEState *s, int64_t sector_num); 603 604 void ide_start_dma(IDEState *s, BlockCompletionFunc *cb); 605 void dma_buf_commit(IDEState *s, uint32_t tx_bytes); 606 void ide_dma_error(IDEState *s); 607 void ide_abort_command(IDEState *s); 608 609 void ide_atapi_cmd_ok(IDEState *s); 610 void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); 611 void ide_atapi_dma_restart(IDEState *s); 612 void ide_atapi_io_error(IDEState *s, int ret); 613 614 void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); 615 uint32_t ide_ioport_read(void *opaque, uint32_t addr1); 616 uint32_t ide_status_read(void *opaque, uint32_t addr); 617 void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val); 618 void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); 619 uint32_t ide_data_readw(void *opaque, uint32_t addr); 620 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); 621 uint32_t ide_data_readl(void *opaque, uint32_t addr); 622 623 int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, 624 const char *version, const char *serial, const char *model, 625 uint64_t wwn, 626 uint32_t cylinders, uint32_t heads, uint32_t secs, 627 int chs_trans, Error **errp); 628 void ide_init2(IDEBus *bus, qemu_irq irq); 629 void ide_exit(IDEState *s); 630 int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2); 631 void ide_register_restart_cb(IDEBus *bus); 632 633 void ide_exec_cmd(IDEBus *bus, uint32_t val); 634 635 void ide_transfer_start(IDEState *s, uint8_t *buf, int size, 636 EndTransferFunc *end_transfer_func); 637 bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size, 638 EndTransferFunc *end_transfer_func); 639 void ide_transfer_stop(IDEState *s); 640 void ide_set_inactive(IDEState *s, bool more); 641 BlockAIOCB *ide_issue_trim( 642 int64_t offset, QEMUIOVector *qiov, 643 BlockCompletionFunc *cb, void *cb_opaque, void *opaque); 644 BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num, 645 QEMUIOVector *iov, int nb_sectors, 646 BlockCompletionFunc *cb, void *opaque); 647 void ide_cancel_dma_sync(IDEState *s); 648 649 /* hw/ide/atapi.c */ 650 void ide_atapi_cmd(IDEState *s); 651 void ide_atapi_cmd_reply_end(IDEState *s); 652 653 /* hw/ide/qdev.c */ 654 void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev, 655 int bus_id, int max_units); 656 IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive); 657 658 int ide_handle_rw_error(IDEState *s, int error, int op); 659 660 #endif /* HW_IDE_INTERNAL_H */