1 #ifndef HW_IDE_INTERNAL_H
2 #define HW_IDE_INTERNAL_H
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
11 #include "exec/ioport.h"
12 #include "hw/ide/ide-dma.h"
13 #include "hw/ide/ide-dev.h"
15 /* debug IDE devices */
17 #include "qom/object.h"
19 #define TYPE_IDE_BUS "IDE"
20 OBJECT_DECLARE_SIMPLE_TYPE(IDEBus
, IDE_BUS
)
22 /* Device/Head ("select") Register */
23 #define ATA_DEV_SELECT 0x10
24 /* ATA1,3: Defined as '1'.
26 * ATA3-7: obsolete. */
27 #define ATA_DEV_ALWAYS_ON 0xA0
28 #define ATA_DEV_LBA 0x40
29 #define ATA_DEV_LBA_MSB 0x0F /* LBA 24:27 */
30 #define ATA_DEV_HS 0x0F /* HS 3:0 */
33 /* Bits of HD_STATUS */
35 #define INDEX_STAT 0x02
36 #define ECC_STAT 0x04 /* Corrected error */
38 #define SEEK_STAT 0x10
40 #define WRERR_STAT 0x20
41 #define READY_STAT 0x40
42 #define BUSY_STAT 0x80
44 /* Bits for HD_ERROR */
45 #define MARK_ERR 0x01 /* Bad address mark */
46 #define TRK0_ERR 0x02 /* couldn't find track 0 */
47 #define ABRT_ERR 0x04 /* Command aborted */
48 #define MCR_ERR 0x08 /* media change request */
49 #define ID_ERR 0x10 /* ID field not found */
50 #define MC_ERR 0x20 /* media changed */
51 #define ECC_ERR 0x40 /* Uncorrectable ECC error */
52 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
53 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
55 /* Bits of HD_NSECTOR */
61 /* Bits of Device Control register */
62 #define IDE_CTRL_HOB 0x80
63 #define IDE_CTRL_RESET 0x04
64 #define IDE_CTRL_DISABLE_IRQ 0x02
66 /* ACS-2 T13/2015-D Table B.2 Command codes */
68 /* reserved 0x01..0x02 */
69 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
70 /* reserved 0x04..0x05 */
73 #define WIN_DEVICE_RESET 0x08
74 /* reserved 0x09..0x0a */
75 /* REQUEST SENSE DATA EXT 0x0B */
76 /* reserved 0x0C..0x0F */
77 #define WIN_RECAL 0x10 /* obsolete since ATA4 */
78 /* obsolete since ATA3, retired in ATA4 0x11..0x1F */
79 #define WIN_READ 0x20 /* 28-Bit */
80 #define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
81 /* obsolete since ATA4 0x22..0x23 */
82 #define WIN_READ_EXT 0x24 /* 48-Bit */
83 #define WIN_READDMA_EXT 0x25 /* 48-Bit */
84 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */
85 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
87 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
88 /* READ STREAM DMA EXT 0x2A */
89 /* READ STREAM EXT 0x2B */
90 /* reserved 0x2C..0x2E */
91 /* READ LOG EXT 0x2F */
92 #define WIN_WRITE 0x30 /* 28-Bit */
93 #define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
94 /* obsolete since ATA4 0x32..0x33 */
95 #define WIN_WRITE_EXT 0x34 /* 48-Bit */
96 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
97 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
98 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */
99 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
100 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
101 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
102 /* WRITE STREAM DMA EXT 0x3A */
103 /* WRITE STREAM EXT 0x3B */
104 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */
105 /* WRITE DMA FUA EXT 0x3D */
106 /* obsolete since ACS2 0x3E */
107 /* WRITE LOG EXT 0x3F */
108 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
109 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
110 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
111 /* reserved 0x43..0x44 */
112 /* WRITE UNCORRECTABLE EXT 0x45 */
114 /* READ LOG DMA EXT 0x47 */
115 /* reserved 0x48..0x4F */
116 /* obsolete since ATA4 0x50 */
117 /* CONFIGURE STREAM 0x51 */
118 /* reserved 0x52..0x56 */
119 /* WRITE LOG DMA EXT 0x57 */
120 /* reserved 0x58..0x5A */
121 /* TRUSTED NON DATA 0x5B */
122 /* TRUSTED RECEIVE 0x5C */
123 /* TRUSTED RECEIVE DMA 0x5D */
124 /* TRUSTED SEND 0x5E */
125 /* TRUSTED SEND DMA 0x5F */
126 /* READ FPDMA QUEUED 0x60 */
127 /* WRITE FPDMA QUEUED 0x61 */
128 /* reserved 0x62->0x6F */
129 #define WIN_SEEK 0x70 /* obsolete since ATA7 */
130 /* reserved 0x71-0x7F */
131 /* vendor specific 0x80-0x86 */
132 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
133 /* vendor specific 0x88-0x8F */
134 #define WIN_DIAGNOSE 0x90
135 #define WIN_SPECIFY 0x91 /* set drive geometry translation, obsolete since ATA6 */
136 #define WIN_DOWNLOAD_MICROCODE 0x92
137 /* DOWNLOAD MICROCODE DMA 0x93 */
138 #define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */
139 #define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready", retired in ATA4 */
140 #define WIN_STANDBY2 0x96 /* retired in ATA4 */
141 #define WIN_SETIDLE2 0x97 /* retired in ATA4 */
142 #define WIN_CHECKPOWERMODE2 0x98 /* retired in ATA4 */
143 #define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */
144 /* vendor specific 0x9A */
145 /* reserved 0x9B..0x9F */
146 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
147 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
148 #define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */
149 /* reserved 0xA3..0xAF */
150 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
151 /* Device Configuration Overlay 0xB1 */
152 /* reserved 0xB2..0xB3 */
153 /* Sanitize Device 0xB4 */
156 /* reserved for CFA 0xB7..0xBB */
157 #define CFA_ACCESS_METADATA_STORAGE 0xB8
158 /* reserved 0xBC..0xBF */
159 #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
160 /* vendor specific 0xC1..0xC3 */
161 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
162 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
163 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
164 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
165 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
166 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
167 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
168 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
169 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
170 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
171 /* WRITE MULTIPLE FUA EXT 0xCE */
172 /* reserved 0xCF..0xDO */
173 /* CHECK MEDIA CARD TYPE 0xD1 */
174 /* reserved for media card pass through 0xD2..0xD4 */
175 /* reserved 0xD5..0xD9 */
176 #define WIN_GETMEDIASTATUS 0xDA /* obsolete since ATA8 */
177 /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
178 #define WIN_DOORLOCK 0xDE /* lock door on removable drives, obsolete since ATA8 */
179 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives, obsolete since ATA8 */
180 #define WIN_STANDBYNOW1 0xE0
181 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
182 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
183 #define WIN_SETIDLE1 0xE3
184 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
185 #define WIN_CHECKPOWERMODE1 0xE5
186 #define WIN_SLEEPNOW1 0xE6
187 #define WIN_FLUSH_CACHE 0xE7
188 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
189 /* READ BUFFER DMA 0xE9 */
190 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
191 /* WRITE BUFFER DMA 0xEB */
192 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
193 #define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */
194 /* obsolete since ATA4 0xEE */
195 #define WIN_SETFEATURES 0xEF /* set special drive features */
196 #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature, vendor specific */
197 #define WIN_SECURITY_SET_PASS 0xF1
198 #define WIN_SECURITY_UNLOCK 0xF2
199 #define WIN_SECURITY_ERASE_PREPARE 0xF3
200 #define WIN_SECURITY_ERASE_UNIT 0xF4
201 #define WIN_SECURITY_FREEZE_LOCK 0xF5
202 #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP; not specified in T13! */
203 #define WIN_SECURITY_DISABLE 0xF6
204 /* vendor specific 0xF7 */
205 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
206 #define WIN_SET_MAX 0xF9
207 /* vendor specific 0xFA..0xFF */
209 /* set to 1 set disable mult support */
210 #define MAX_MULT_SECTORS 16
212 #define IDE_DMA_BUF_SECTORS 256
214 /* feature values for Data Set Management */
215 #define DSM_TRIM 0x01
217 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
218 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
223 #define ATAPI_PACKET_SIZE 12
225 /* The generic packet command opcodes for CD/DVD Logical Units,
226 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
227 #define GPCMD_BLANK 0xa1
228 #define GPCMD_CLOSE_TRACK 0x5b
229 #define GPCMD_FLUSH_CACHE 0x35
230 #define GPCMD_FORMAT_UNIT 0x04
231 #define GPCMD_GET_CONFIGURATION 0x46
232 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
233 #define GPCMD_GET_PERFORMANCE 0xac
234 #define GPCMD_INQUIRY 0x12
235 #define GPCMD_LOAD_UNLOAD 0xa6
236 #define GPCMD_MECHANISM_STATUS 0xbd
237 #define GPCMD_MODE_SELECT_10 0x55
238 #define GPCMD_MODE_SENSE_10 0x5a
239 #define GPCMD_PAUSE_RESUME 0x4b
240 #define GPCMD_PLAY_AUDIO_10 0x45
241 #define GPCMD_PLAY_AUDIO_MSF 0x47
242 #define GPCMD_PLAY_AUDIO_TI 0x48
243 #define GPCMD_PLAY_CD 0xbc
244 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
245 #define GPCMD_READ_10 0x28
246 #define GPCMD_READ_12 0xa8
247 #define GPCMD_READ_CDVD_CAPACITY 0x25
248 #define GPCMD_READ_CD 0xbe
249 #define GPCMD_READ_CD_MSF 0xb9
250 #define GPCMD_READ_DISC_INFO 0x51
251 #define GPCMD_READ_DVD_STRUCTURE 0xad
252 #define GPCMD_READ_FORMAT_CAPACITIES 0x23
253 #define GPCMD_READ_HEADER 0x44
254 #define GPCMD_READ_TRACK_RZONE_INFO 0x52
255 #define GPCMD_READ_SUBCHANNEL 0x42
256 #define GPCMD_READ_TOC_PMA_ATIP 0x43
257 #define GPCMD_REPAIR_RZONE_TRACK 0x58
258 #define GPCMD_REPORT_KEY 0xa4
259 #define GPCMD_REQUEST_SENSE 0x03
260 #define GPCMD_RESERVE_RZONE_TRACK 0x53
261 #define GPCMD_SCAN 0xba
262 #define GPCMD_SEEK 0x2b
263 #define GPCMD_SEND_DVD_STRUCTURE 0xad
264 #define GPCMD_SEND_EVENT 0xa2
265 #define GPCMD_SEND_KEY 0xa3
266 #define GPCMD_SEND_OPC 0x54
267 #define GPCMD_SET_READ_AHEAD 0xa7
268 #define GPCMD_SET_STREAMING 0xb6
269 #define GPCMD_START_STOP_UNIT 0x1b
270 #define GPCMD_STOP_PLAY_SCAN 0x4e
271 #define GPCMD_TEST_UNIT_READY 0x00
272 #define GPCMD_VERIFY_10 0x2f
273 #define GPCMD_WRITE_10 0x2a
274 #define GPCMD_WRITE_AND_VERIFY_10 0x2e
275 /* This is listed as optional in ATAPI 2.6, but is (curiously)
276 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
277 * Table 377 as an MMC command for SCSi devices though... Most ATAPI
278 * drives support it. */
279 #define GPCMD_SET_SPEED 0xbb
280 /* This seems to be a SCSI specific CD-ROM opcode
281 * to play data at track/index */
282 #define GPCMD_PLAYAUDIO_TI 0x48
284 * From MS Media Status Notification Support Specification. For
287 #define GPCMD_GET_MEDIA_STATUS 0xda
288 #define GPCMD_MODE_SENSE_6 0x1a
290 #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
291 #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
292 #define ATAPI_INT_REASON_REL 0x04
293 #define ATAPI_INT_REASON_TAG 0xf8
295 /* same constants as bochs */
296 #define ASC_NO_SEEK_COMPLETE 0x02
297 #define ASC_ILLEGAL_OPCODE 0x20
298 #define ASC_LOGICAL_BLOCK_OOR 0x21
299 #define ASC_INV_FIELD_IN_CMD_PACKET 0x24
300 #define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
301 #define ASC_INCOMPATIBLE_FORMAT 0x30
302 #define ASC_MEDIUM_NOT_PRESENT 0x3a
303 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
304 #define ASC_DATA_PHASE_ERROR 0x4b
305 #define ASC_MEDIA_REMOVAL_PREVENTED 0x53
307 #define CFA_NO_ERROR 0x00
308 #define CFA_MISC_ERROR 0x09
309 #define CFA_INVALID_COMMAND 0x20
310 #define CFA_INVALID_ADDRESS 0x21
311 #define CFA_ADDRESS_OVERFLOW 0x2f
313 #define SMART_READ_DATA 0xd0
314 #define SMART_READ_THRESH 0xd1
315 #define SMART_ATTR_AUTOSAVE 0xd2
316 #define SMART_SAVE_ATTR 0xd3
317 #define SMART_EXECUTE_OFFLINE 0xd4
318 #define SMART_READ_LOG 0xd5
319 #define SMART_WRITE_LOG 0xd6
320 #define SMART_ENABLE 0xd8
321 #define SMART_DISABLE 0xd9
322 #define SMART_STATUS 0xda
324 extern const char *IDE_DMA_CMD_lookup
[IDE_DMA__COUNT
];
326 extern const MemoryRegionPortio ide_portio_list
[];
327 extern const MemoryRegionPortio ide_portio2_list
[];
329 #define ide_cmd_is_read(s) \
330 ((s)->dma_cmd == IDE_DMA_READ)
332 typedef struct IDEBufferedRequest
{
333 QLIST_ENTRY(IDEBufferedRequest
) list
;
335 QEMUIOVector
*original_qiov
;
336 BlockCompletionFunc
*original_cb
;
337 void *original_opaque
;
339 } IDEBufferedRequest
;
353 qemu_irq irq
; /* bus output */
357 int64_t retry_sector_num
;
358 uint32_t retry_nsector
;
359 PortioList portio_list
;
360 PortioList portio2_list
;
361 VMChangeStateEntry
*vmstate
;
364 /* These are used for the error_status field of IDEBus */
365 #define IDE_RETRY_MASK 0xf8
366 #define IDE_RETRY_DMA 0x08
367 #define IDE_RETRY_PIO 0x10
368 #define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */
369 #define IDE_RETRY_READ 0x20
370 #define IDE_RETRY_FLUSH 0x40
371 #define IDE_RETRY_TRIM 0x80
372 #define IDE_RETRY_HBA 0x100
374 #define IS_IDE_RETRY_DMA(_status) \
375 ((_status) & IDE_RETRY_DMA)
377 #define IS_IDE_RETRY_PIO(_status) \
378 ((_status) & IDE_RETRY_PIO)
381 * The method of the IDE_RETRY_ATAPI determination is to use a previously
382 * impossible bit combination as a new status value.
384 #define IS_IDE_RETRY_ATAPI(_status) \
385 (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI)
387 static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd
)
391 return IDE_RETRY_DMA
| IDE_RETRY_READ
;
393 return IDE_RETRY_DMA
;
395 return IDE_RETRY_DMA
| IDE_RETRY_TRIM
;
397 return IDE_RETRY_ATAPI
;
404 static inline IDEState
*ide_bus_active_if(IDEBus
*bus
)
406 return bus
->ifs
+ bus
->unit
;
410 extern const VMStateDescription vmstate_ide_bus
;
412 #define VMSTATE_IDE_BUS(_field, _state) \
413 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
415 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \
416 VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
418 extern const VMStateDescription vmstate_ide_drive
;
420 #define VMSTATE_IDE_DRIVES(_field, _state) \
421 VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
423 #define VMSTATE_IDE_DRIVE(_field, _state) \
424 VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState)
426 void ide_bus_reset(IDEBus
*bus
);
427 int64_t ide_get_sector(IDEState
*s
);
428 void ide_set_sector(IDEState
*s
, int64_t sector_num
);
430 void ide_start_dma(IDEState
*s
, BlockCompletionFunc
*cb
);
431 void dma_buf_commit(IDEState
*s
, uint32_t tx_bytes
);
432 void ide_dma_error(IDEState
*s
);
433 void ide_abort_command(IDEState
*s
);
435 void ide_atapi_cmd_ok(IDEState
*s
);
436 void ide_atapi_cmd_error(IDEState
*s
, int sense_key
, int asc
);
437 void ide_atapi_dma_restart(IDEState
*s
);
438 void ide_atapi_io_error(IDEState
*s
, int ret
);
440 void ide_ioport_write(void *opaque
, uint32_t addr
, uint32_t val
);
441 uint32_t ide_ioport_read(void *opaque
, uint32_t addr1
);
442 uint32_t ide_status_read(void *opaque
, uint32_t addr
);
443 void ide_ctrl_write(void *opaque
, uint32_t addr
, uint32_t val
);
444 void ide_data_writew(void *opaque
, uint32_t addr
, uint32_t val
);
445 uint32_t ide_data_readw(void *opaque
, uint32_t addr
);
446 void ide_data_writel(void *opaque
, uint32_t addr
, uint32_t val
);
447 uint32_t ide_data_readl(void *opaque
, uint32_t addr
);
449 int ide_init_drive(IDEState
*s
, BlockBackend
*blk
, IDEDriveKind kind
,
450 const char *version
, const char *serial
, const char *model
,
452 uint32_t cylinders
, uint32_t heads
, uint32_t secs
,
453 int chs_trans
, Error
**errp
);
454 void ide_exit(IDEState
*s
);
455 void ide_bus_init_output_irq(IDEBus
*bus
, qemu_irq irq_out
);
456 int ide_init_ioport(IDEBus
*bus
, ISADevice
*isa
, int iobase
, int iobase2
);
457 void ide_bus_set_irq(IDEBus
*bus
);
458 void ide_bus_register_restart_cb(IDEBus
*bus
);
460 void ide_bus_exec_cmd(IDEBus
*bus
, uint32_t val
);
462 void ide_transfer_start(IDEState
*s
, uint8_t *buf
, int size
,
463 EndTransferFunc
*end_transfer_func
);
464 bool ide_transfer_start_norecurse(IDEState
*s
, uint8_t *buf
, int size
,
465 EndTransferFunc
*end_transfer_func
);
466 void ide_transfer_stop(IDEState
*s
);
467 void ide_set_inactive(IDEState
*s
, bool more
);
468 BlockAIOCB
*ide_issue_trim(
469 int64_t offset
, QEMUIOVector
*qiov
,
470 BlockCompletionFunc
*cb
, void *cb_opaque
, void *opaque
);
471 BlockAIOCB
*ide_buffered_readv(IDEState
*s
, int64_t sector_num
,
472 QEMUIOVector
*iov
, int nb_sectors
,
473 BlockCompletionFunc
*cb
, void *opaque
);
474 void ide_cancel_dma_sync(IDEState
*s
);
477 void ide_atapi_cmd(IDEState
*s
);
478 void ide_atapi_cmd_reply_end(IDEState
*s
);
481 void ide_bus_init(IDEBus
*idebus
, size_t idebus_size
, DeviceState
*dev
,
482 int bus_id
, int max_units
);
483 IDEDevice
*ide_bus_create_drive(IDEBus
*bus
, int unit
, DriveInfo
*drive
);
485 int ide_get_geometry(BusState
*bus
, int unit
,
486 int16_t *cyls
, int8_t *heads
, int8_t *secs
);
487 int ide_get_bios_chs_trans(BusState
*bus
, int unit
);
489 int ide_handle_rw_error(IDEState
*s
, int error
, int op
);
491 #endif /* HW_IDE_INTERNAL_H */