xref: /qemu/hw/ide/ide-internal.h (revision 5fc5934a4b06d3983edfebcccc1cdb78d5cf526e)
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 "exec/ioport.h"
12 #include "hw/ide/ide-dma.h"
13 #include "hw/ide/ide-dev.h"
14 
15 /* debug IDE devices */
16 #define USE_DMA_CDROM
17 #include "qom/object.h"
18 
19 #define TYPE_IDE_BUS "IDE"
20 OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS)
21 
22 /* Device/Head ("select") Register */
23 #define ATA_DEV_SELECT          0x10
24 /* ATA1,3: Defined as '1'.
25  * ATA2:   Reserved.
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 */
31 
32 
33 /* Bits of HD_STATUS */
34 #define ERR_STAT                0x01
35 #define INDEX_STAT              0x02
36 #define ECC_STAT                0x04    /* Corrected error */
37 #define DRQ_STAT                0x08
38 #define SEEK_STAT               0x10
39 #define SRV_STAT                0x10
40 #define WRERR_STAT              0x20
41 #define READY_STAT              0x40
42 #define BUSY_STAT               0x80
43 
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 */
54 
55 /* Bits of HD_NSECTOR */
56 #define CD                      0x01
57 #define IO                      0x02
58 #define REL                     0x04
59 #define TAG_MASK                0xf8
60 
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
65 
66 /* ACS-2 T13/2015-D Table B.2 Command codes */
67 #define WIN_NOP                         0x00
68 /* reserved                             0x01..0x02 */
69 #define CFA_REQ_EXT_ERROR_CODE          0x03 /* CFA Request Extended Error Code */
70 /* reserved                             0x04..0x05 */
71 #define WIN_DSM                         0x06
72 /* reserved                             0x07 */
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 */
86 /* reserved                             0x28 */
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 */
113 /* reserved                             0x46 */
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 */
154 /* reserved                             0xB5 */
155 /* NV Cache                             0xB6 */
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 */
208 
209 /* set to 1 set disable mult support */
210 #define MAX_MULT_SECTORS 16
211 
212 #define IDE_DMA_BUF_SECTORS 256
213 
214 /* feature values for Data Set Management */
215 #define DSM_TRIM                        0x01
216 
217 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
218 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
219 #endif
220 
221 /* ATAPI defines */
222 
223 #define ATAPI_PACKET_SIZE 12
224 
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
283 /*
284  * From MS Media Status Notification Support Specification. For
285  * older drives only.
286  */
287 #define GPCMD_GET_MEDIA_STATUS              0xda
288 #define GPCMD_MODE_SENSE_6                  0x1a
289 
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
294 
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
306 
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
312 
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
323 
324 extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT];
325 
326 extern const MemoryRegionPortio ide_portio_list[];
327 extern const MemoryRegionPortio ide_portio2_list[];
328 
329 #define ide_cmd_is_read(s) \
330         ((s)->dma_cmd == IDE_DMA_READ)
331 
332 typedef struct IDEBufferedRequest {
333     QLIST_ENTRY(IDEBufferedRequest) list;
334     QEMUIOVector qiov;
335     QEMUIOVector *original_qiov;
336     BlockCompletionFunc *original_cb;
337     void *original_opaque;
338     bool orphaned;
339 } IDEBufferedRequest;
340 
341 struct IDEBus {
342     BusState qbus;
343     IDEDevice *master;
344     IDEDevice *slave;
345     IDEState ifs[2];
346     QEMUBH *bh;
347 
348     int bus_id;
349     int max_units;
350     IDEDMA *dma;
351     uint8_t unit;
352     uint8_t cmd;
353     qemu_irq irq; /* bus output */
354 
355     int error_status;
356     uint8_t retry_unit;
357     int64_t retry_sector_num;
358     uint32_t retry_nsector;
359     PortioList portio_list;
360     PortioList portio2_list;
361     VMChangeStateEntry *vmstate;
362 };
363 
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
373 
374 #define IS_IDE_RETRY_DMA(_status) \
375     ((_status) & IDE_RETRY_DMA)
376 
377 #define IS_IDE_RETRY_PIO(_status) \
378     ((_status) & IDE_RETRY_PIO)
379 
380 /*
381  * The method of the IDE_RETRY_ATAPI determination is to use a previously
382  * impossible bit combination as a new status value.
383  */
384 #define IS_IDE_RETRY_ATAPI(_status)   \
385     (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI)
386 
387 static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd)
388 {
389     switch (dma_cmd) {
390     case IDE_DMA_READ:
391         return IDE_RETRY_DMA | IDE_RETRY_READ;
392     case IDE_DMA_WRITE:
393         return IDE_RETRY_DMA;
394     case IDE_DMA_TRIM:
395         return IDE_RETRY_DMA | IDE_RETRY_TRIM;
396     case IDE_DMA_ATAPI:
397         return IDE_RETRY_ATAPI;
398     default:
399         break;
400     }
401     return 0;
402 }
403 
404 static inline IDEState *ide_bus_active_if(IDEBus *bus)
405 {
406     return bus->ifs + bus->unit;
407 }
408 
409 /* hw/ide/core.c */
410 extern const VMStateDescription vmstate_ide_bus;
411 
412 #define VMSTATE_IDE_BUS(_field, _state)                          \
413     VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
414 
415 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
416     VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
417 
418 extern const VMStateDescription vmstate_ide_drive;
419 
420 #define VMSTATE_IDE_DRIVES(_field, _state) \
421     VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
422 
423 #define VMSTATE_IDE_DRIVE(_field, _state) \
424     VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState)
425 
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);
429 
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);
434 
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);
439 
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);
448 
449 int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind,
450                    const char *version, const char *serial, const char *model,
451                    uint64_t wwn,
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);
459 
460 void ide_bus_exec_cmd(IDEBus *bus, uint32_t val);
461 
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);
475 
476 /* hw/ide/atapi.c */
477 void ide_atapi_cmd(IDEState *s);
478 void ide_atapi_cmd_reply_end(IDEState *s);
479 
480 /* hw/ide/qdev.c */
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);
484 
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);
488 
489 int ide_handle_rw_error(IDEState *s, int error, int op);
490 
491 #endif /* HW_IDE_INTERNAL_H */
492