internal.h (23586B)
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 22typedef struct IDEDevice IDEDevice; 23typedef struct IDEState IDEState; 24typedef struct IDEDMA IDEDMA; 25typedef struct IDEDMAOps IDEDMAOps; 26 27#define TYPE_IDE_BUS "IDE" 28OBJECT_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 334typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind; 335 336typedef void EndTransferFunc(IDEState *); 337 338typedef void DMAStartFunc(const IDEDMA *, IDEState *, BlockCompletionFunc *); 339typedef void DMAVoidFunc(const IDEDMA *); 340typedef int DMAIntFunc(const IDEDMA *, bool); 341typedef int32_t DMAInt32Func(const IDEDMA *, int32_t len); 342typedef void DMAu32Func(const IDEDMA *, uint32_t); 343typedef void DMAStopFunc(const IDEDMA *, bool); 344 345struct unreported_events { 346 bool eject_request; 347 bool new_media; 348}; 349 350enum 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 358extern 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 363typedef 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 */ 373struct IDEState { 374 IDEBus *bus; 375 uint8_t unit; 376 /* ide config */ 377 IDEDriveKind drive_kind; 378 int cylinders, heads, sectors, chs_trans; 379 int64_t nb_sectors; 380 int mult_sectors; 381 int identify_set; 382 uint8_t identify_data[512]; 383 int drive_serial; 384 char drive_serial_str[21]; 385 char drive_model_str[41]; 386 uint64_t wwn; 387 /* ide regs */ 388 uint8_t feature; 389 uint8_t error; 390 uint32_t nsector; 391 uint8_t sector; 392 uint8_t lcyl; 393 uint8_t hcyl; 394 /* other part of tf for lba48 support */ 395 uint8_t hob_feature; 396 uint8_t hob_nsector; 397 uint8_t hob_sector; 398 uint8_t hob_lcyl; 399 uint8_t hob_hcyl; 400 401 uint8_t select; 402 uint8_t status; 403 404 /* set for lba48 access */ 405 uint8_t lba48; 406 BlockBackend *blk; 407 char version[9]; 408 /* ATAPI specific */ 409 struct unreported_events events; 410 uint8_t sense_key; 411 uint8_t asc; 412 bool tray_open; 413 bool tray_locked; 414 uint8_t cdrom_changed; 415 int packet_transfer_size; 416 int elementary_transfer_size; 417 int32_t io_buffer_index; 418 int lba; 419 int cd_sector_size; 420 int atapi_dma; /* true if dma is requested for the packet cmd */ 421 BlockAcctCookie acct; 422 BlockAIOCB *pio_aiocb; 423 QEMUIOVector qiov; 424 QLIST_HEAD(, IDEBufferedRequest) buffered_requests; 425 /* ATA DMA state */ 426 uint64_t io_buffer_offset; 427 int32_t io_buffer_size; 428 QEMUSGList sg; 429 /* PIO transfer handling */ 430 int req_nb_sectors; /* number of sectors per interrupt */ 431 EndTransferFunc *end_transfer_func; 432 uint8_t *data_ptr; 433 uint8_t *data_end; 434 uint8_t *io_buffer; 435 /* PIO save/restore */ 436 int32_t io_buffer_total_len; 437 int32_t cur_io_buffer_offset; 438 int32_t cur_io_buffer_len; 439 uint8_t end_transfer_fn_idx; 440 QEMUTimer *sector_write_timer; /* only used for win2k install hack */ 441 uint32_t irq_count; /* counts IRQs when using win2k install hack */ 442 /* CF-ATA extended error */ 443 uint8_t ext_error; 444 /* CF-ATA metadata storage */ 445 uint32_t mdata_size; 446 uint8_t *mdata_storage; 447 int media_changed; 448 enum ide_dma_cmd dma_cmd; 449 /* SMART */ 450 uint8_t smart_enabled; 451 uint8_t smart_autosave; 452 int smart_errors; 453 uint8_t smart_selftest_count; 454 uint8_t *smart_selftest_data; 455 /* AHCI */ 456 int ncq_queues; 457}; 458 459struct IDEDMAOps { 460 DMAStartFunc *start_dma; 461 DMAVoidFunc *pio_transfer; 462 DMAInt32Func *prepare_buf; 463 DMAu32Func *commit_buf; 464 DMAIntFunc *rw_buf; 465 DMAVoidFunc *restart; 466 DMAVoidFunc *restart_dma; 467 DMAStopFunc *set_inactive; 468 DMAVoidFunc *cmd_done; 469 DMAVoidFunc *reset; 470}; 471 472struct IDEDMA { 473 const struct IDEDMAOps *ops; 474 QEMUIOVector qiov; 475 BlockAIOCB *aiocb; 476}; 477 478struct IDEBus { 479 BusState qbus; 480 IDEDevice *master; 481 IDEDevice *slave; 482 IDEState ifs[2]; 483 QEMUBH *bh; 484 485 int bus_id; 486 int max_units; 487 IDEDMA *dma; 488 uint8_t unit; 489 uint8_t cmd; 490 qemu_irq irq; 491 492 int error_status; 493 uint8_t retry_unit; 494 int64_t retry_sector_num; 495 uint32_t retry_nsector; 496 PortioList portio_list; 497 PortioList portio2_list; 498 VMChangeStateEntry *vmstate; 499}; 500 501#define TYPE_IDE_DEVICE "ide-device" 502OBJECT_DECLARE_TYPE(IDEDevice, IDEDeviceClass, IDE_DEVICE) 503 504struct IDEDeviceClass { 505 DeviceClass parent_class; 506 void (*realize)(IDEDevice *dev, Error **errp); 507}; 508 509struct IDEDevice { 510 DeviceState qdev; 511 uint32_t unit; 512 BlockConf conf; 513 int chs_trans; 514 char *version; 515 char *serial; 516 char *model; 517 uint64_t wwn; 518 /* 519 * 0x0000 - rotation rate not reported 520 * 0x0001 - non-rotating medium (SSD) 521 * 0x0002-0x0400 - reserved 522 * 0x0401-0xffe - rotations per minute 523 * 0xffff - reserved 524 */ 525 uint16_t rotation_rate; 526}; 527 528/* These are used for the error_status field of IDEBus */ 529#define IDE_RETRY_MASK 0xf8 530#define IDE_RETRY_DMA 0x08 531#define IDE_RETRY_PIO 0x10 532#define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */ 533#define IDE_RETRY_READ 0x20 534#define IDE_RETRY_FLUSH 0x40 535#define IDE_RETRY_TRIM 0x80 536#define IDE_RETRY_HBA 0x100 537 538#define IS_IDE_RETRY_DMA(_status) \ 539 ((_status) & IDE_RETRY_DMA) 540 541#define IS_IDE_RETRY_PIO(_status) \ 542 ((_status) & IDE_RETRY_PIO) 543 544/* 545 * The method of the IDE_RETRY_ATAPI determination is to use a previously 546 * impossible bit combination as a new status value. 547 */ 548#define IS_IDE_RETRY_ATAPI(_status) \ 549 (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI) 550 551static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd) 552{ 553 switch (dma_cmd) { 554 case IDE_DMA_READ: 555 return IDE_RETRY_DMA | IDE_RETRY_READ; 556 case IDE_DMA_WRITE: 557 return IDE_RETRY_DMA; 558 case IDE_DMA_TRIM: 559 return IDE_RETRY_DMA | IDE_RETRY_TRIM; 560 case IDE_DMA_ATAPI: 561 return IDE_RETRY_ATAPI; 562 default: 563 break; 564 } 565 return 0; 566} 567 568static inline IDEState *idebus_active_if(IDEBus *bus) 569{ 570 return bus->ifs + bus->unit; 571} 572 573static inline void ide_set_irq(IDEBus *bus) 574{ 575 if (!(bus->cmd & IDE_CTRL_DISABLE_IRQ)) { 576 qemu_irq_raise(bus->irq); 577 } 578} 579 580/* hw/ide/core.c */ 581extern const VMStateDescription vmstate_ide_bus; 582 583#define VMSTATE_IDE_BUS(_field, _state) \ 584 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus) 585 586#define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \ 587 VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus) 588 589extern const VMStateDescription vmstate_ide_drive; 590 591#define VMSTATE_IDE_DRIVES(_field, _state) \ 592 VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState) 593 594#define VMSTATE_IDE_DRIVE(_field, _state) \ 595 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState) 596 597void ide_bus_reset(IDEBus *bus); 598int64_t ide_get_sector(IDEState *s); 599void ide_set_sector(IDEState *s, int64_t sector_num); 600 601void ide_start_dma(IDEState *s, BlockCompletionFunc *cb); 602void dma_buf_commit(IDEState *s, uint32_t tx_bytes); 603void ide_dma_error(IDEState *s); 604void ide_abort_command(IDEState *s); 605 606void ide_atapi_cmd_ok(IDEState *s); 607void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); 608void ide_atapi_dma_restart(IDEState *s); 609void ide_atapi_io_error(IDEState *s, int ret); 610 611void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); 612uint32_t ide_ioport_read(void *opaque, uint32_t addr1); 613uint32_t ide_status_read(void *opaque, uint32_t addr); 614void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val); 615void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); 616uint32_t ide_data_readw(void *opaque, uint32_t addr); 617void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); 618uint32_t ide_data_readl(void *opaque, uint32_t addr); 619 620int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, 621 const char *version, const char *serial, const char *model, 622 uint64_t wwn, 623 uint32_t cylinders, uint32_t heads, uint32_t secs, 624 int chs_trans, Error **errp); 625void ide_init2(IDEBus *bus, qemu_irq irq); 626void ide_exit(IDEState *s); 627int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2); 628void ide_register_restart_cb(IDEBus *bus); 629 630void ide_exec_cmd(IDEBus *bus, uint32_t val); 631 632void ide_transfer_start(IDEState *s, uint8_t *buf, int size, 633 EndTransferFunc *end_transfer_func); 634bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size, 635 EndTransferFunc *end_transfer_func); 636void ide_transfer_stop(IDEState *s); 637void ide_set_inactive(IDEState *s, bool more); 638BlockAIOCB *ide_issue_trim( 639 int64_t offset, QEMUIOVector *qiov, 640 BlockCompletionFunc *cb, void *cb_opaque, void *opaque); 641BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num, 642 QEMUIOVector *iov, int nb_sectors, 643 BlockCompletionFunc *cb, void *opaque); 644void ide_cancel_dma_sync(IDEState *s); 645 646/* hw/ide/atapi.c */ 647void ide_atapi_cmd(IDEState *s); 648void ide_atapi_cmd_reply_end(IDEState *s); 649 650/* hw/ide/qdev.c */ 651void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev, 652 int bus_id, int max_units); 653IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive); 654 655int ide_handle_rw_error(IDEState *s, int error, int op); 656 657#endif /* HW_IDE_INTERNAL_H */