xref: /openbmc/qemu/hw/ide/ide-internal.h (revision bfe8020c814a30479a4241aaa78b63960655962b)
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/include/ide-*.h
8   */
9  
10  #include "hw/ide/ide-bus.h"
11  
12  /* debug IDE devices */
13  #define USE_DMA_CDROM
14  
15  /* Device/Head ("select") Register */
16  #define ATA_DEV_SELECT          0x10
17  /* ATA1,3: Defined as '1'.
18   * ATA2:   Reserved.
19   * ATA3-7: obsolete. */
20  #define ATA_DEV_ALWAYS_ON       0xA0
21  #define ATA_DEV_LBA             0x40
22  #define ATA_DEV_LBA_MSB         0x0F  /* LBA 24:27 */
23  #define ATA_DEV_HS              0x0F  /* HS 3:0 */
24  
25  
26  /* Bits of HD_STATUS */
27  #define ERR_STAT                0x01
28  #define INDEX_STAT              0x02
29  #define ECC_STAT                0x04    /* Corrected error */
30  #define DRQ_STAT                0x08
31  #define SEEK_STAT               0x10
32  #define SRV_STAT                0x10
33  #define WRERR_STAT              0x20
34  #define READY_STAT              0x40
35  #define BUSY_STAT               0x80
36  
37  /* Bits for HD_ERROR */
38  #define MARK_ERR                0x01    /* Bad address mark */
39  #define TRK0_ERR                0x02    /* couldn't find track 0 */
40  #define ABRT_ERR                0x04    /* Command aborted */
41  #define MCR_ERR                 0x08    /* media change request */
42  #define ID_ERR                  0x10    /* ID field not found */
43  #define MC_ERR                  0x20    /* media changed */
44  #define ECC_ERR                 0x40    /* Uncorrectable ECC error */
45  #define BBD_ERR                 0x80    /* pre-EIDE meaning:  block marked bad */
46  #define ICRC_ERR                0x80    /* new meaning:  CRC error during transfer */
47  
48  /* Bits of HD_NSECTOR */
49  #define CD                      0x01
50  #define IO                      0x02
51  #define REL                     0x04
52  #define TAG_MASK                0xf8
53  
54  /* Bits of Device Control register */
55  #define IDE_CTRL_HOB            0x80
56  #define IDE_CTRL_RESET          0x04
57  #define IDE_CTRL_DISABLE_IRQ    0x02
58  
59  /* ACS-2 T13/2015-D Table B.2 Command codes */
60  #define WIN_NOP                         0x00
61  /* reserved                             0x01..0x02 */
62  #define CFA_REQ_EXT_ERROR_CODE          0x03 /* CFA Request Extended Error Code */
63  /* reserved                             0x04..0x05 */
64  #define WIN_DSM                         0x06
65  /* reserved                             0x07 */
66  #define WIN_DEVICE_RESET                0x08
67  /* reserved                             0x09..0x0a */
68  /* REQUEST SENSE DATA EXT               0x0B */
69  /* reserved                             0x0C..0x0F */
70  #define WIN_RECAL                       0x10 /* obsolete since ATA4 */
71  /* obsolete since ATA3, retired in ATA4 0x11..0x1F */
72  #define WIN_READ                        0x20 /* 28-Bit */
73  #define WIN_READ_ONCE                   0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
74  /* obsolete since ATA4                  0x22..0x23 */
75  #define WIN_READ_EXT                    0x24 /* 48-Bit */
76  #define WIN_READDMA_EXT                 0x25 /* 48-Bit */
77  #define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit, obsolete since ACS2 */
78  #define WIN_READ_NATIVE_MAX_EXT         0x27 /* 48-Bit */
79  /* reserved                             0x28 */
80  #define WIN_MULTREAD_EXT                0x29 /* 48-Bit */
81  /* READ STREAM DMA EXT                  0x2A */
82  /* READ STREAM EXT                      0x2B */
83  /* reserved                             0x2C..0x2E */
84  /* READ LOG EXT                         0x2F */
85  #define WIN_WRITE                       0x30 /* 28-Bit */
86  #define WIN_WRITE_ONCE                  0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
87  /* obsolete since ATA4                  0x32..0x33 */
88  #define WIN_WRITE_EXT                   0x34 /* 48-Bit */
89  #define WIN_WRITEDMA_EXT                0x35 /* 48-Bit */
90  #define WIN_WRITEDMA_QUEUED_EXT         0x36 /* 48-Bit */
91  #define WIN_SET_MAX_EXT                 0x37 /* 48-Bit, obsolete since ACS2 */
92  #define WIN_SET_MAX_EXT                 0x37 /* 48-Bit */
93  #define CFA_WRITE_SECT_WO_ERASE         0x38 /* CFA Write Sectors without erase */
94  #define WIN_MULTWRITE_EXT               0x39 /* 48-Bit */
95  /* WRITE STREAM DMA EXT                 0x3A */
96  /* WRITE STREAM EXT                     0x3B */
97  #define WIN_WRITE_VERIFY                0x3C /* 28-Bit, obsolete since ATA4 */
98  /* WRITE DMA FUA EXT                    0x3D */
99  /* obsolete since ACS2                  0x3E */
100  /* WRITE LOG EXT                        0x3F */
101  #define WIN_VERIFY                      0x40 /* 28-Bit - Read Verify Sectors */
102  #define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
103  #define WIN_VERIFY_EXT                  0x42 /* 48-Bit */
104  /* reserved                             0x43..0x44 */
105  /* WRITE UNCORRECTABLE EXT              0x45 */
106  /* reserved                             0x46 */
107  /* READ LOG DMA EXT                     0x47 */
108  /* reserved                             0x48..0x4F */
109  /* obsolete since ATA4                  0x50 */
110  /* CONFIGURE STREAM                     0x51 */
111  /* reserved                             0x52..0x56 */
112  /* WRITE LOG DMA EXT                    0x57 */
113  /* reserved                             0x58..0x5A */
114  /* TRUSTED NON DATA                     0x5B */
115  /* TRUSTED RECEIVE                      0x5C */
116  /* TRUSTED RECEIVE DMA                  0x5D */
117  /* TRUSTED SEND                         0x5E */
118  /* TRUSTED SEND DMA                     0x5F */
119  /* READ FPDMA QUEUED                    0x60 */
120  /* WRITE FPDMA QUEUED                   0x61 */
121  /* reserved                             0x62->0x6F */
122  #define WIN_SEEK                        0x70 /* obsolete since ATA7 */
123  /* reserved                             0x71-0x7F */
124  /* vendor specific                      0x80-0x86 */
125  #define CFA_TRANSLATE_SECTOR            0x87 /* CFA Translate Sector */
126  /* vendor specific                      0x88-0x8F */
127  #define WIN_DIAGNOSE                    0x90
128  #define WIN_SPECIFY                     0x91 /* set drive geometry translation, obsolete since ATA6 */
129  #define WIN_DOWNLOAD_MICROCODE          0x92
130  /* DOWNLOAD MICROCODE DMA               0x93 */
131  #define WIN_STANDBYNOW2                 0x94 /* retired in ATA4 */
132  #define WIN_IDLEIMMEDIATE2              0x95 /* force drive to become "ready", retired in ATA4 */
133  #define WIN_STANDBY2                    0x96 /* retired in ATA4 */
134  #define WIN_SETIDLE2                    0x97 /* retired in ATA4 */
135  #define WIN_CHECKPOWERMODE2             0x98 /* retired in ATA4 */
136  #define WIN_SLEEPNOW2                   0x99 /* retired in ATA4 */
137  /* vendor specific                      0x9A */
138  /* reserved                             0x9B..0x9F */
139  #define WIN_PACKETCMD                   0xA0 /* Send a packet command. */
140  #define WIN_PIDENTIFY                   0xA1 /* identify ATAPI device */
141  #define WIN_QUEUED_SERVICE              0xA2 /* obsolete since ACS2 */
142  /* reserved                             0xA3..0xAF */
143  #define WIN_SMART                       0xB0 /* self-monitoring and reporting */
144  /* Device Configuration Overlay         0xB1 */
145  /* reserved                             0xB2..0xB3 */
146  /* Sanitize Device                      0xB4 */
147  /* reserved                             0xB5 */
148  /* NV Cache                             0xB6 */
149  /* reserved for CFA                     0xB7..0xBB */
150  #define CFA_ACCESS_METADATA_STORAGE     0xB8
151  /* reserved                             0xBC..0xBF */
152  #define CFA_ERASE_SECTORS               0xC0 /* microdrives implement as NOP */
153  /* vendor specific                      0xC1..0xC3 */
154  #define WIN_MULTREAD                    0xC4 /* read sectors using multiple mode*/
155  #define WIN_MULTWRITE                   0xC5 /* write sectors using multiple mode */
156  #define WIN_SETMULT                     0xC6 /* enable/disable multiple mode */
157  #define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
158  #define WIN_READDMA                     0xC8 /* read sectors using DMA transfers */
159  #define WIN_READDMA_ONCE                0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
160  #define WIN_WRITEDMA                    0xCA /* write sectors using DMA transfers */
161  #define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
162  #define WIN_WRITEDMA_QUEUED             0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
163  #define CFA_WRITE_MULTI_WO_ERASE        0xCD /* CFA Write multiple without erase */
164  /* WRITE MULTIPLE FUA EXT               0xCE */
165  /* reserved                             0xCF..0xDO */
166  /* CHECK MEDIA CARD TYPE                0xD1 */
167  /* reserved for media card pass through 0xD2..0xD4 */
168  /* reserved                             0xD5..0xD9 */
169  #define WIN_GETMEDIASTATUS              0xDA /* obsolete since ATA8 */
170  /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
171  #define WIN_DOORLOCK                    0xDE /* lock door on removable drives, obsolete since ATA8 */
172  #define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives, obsolete since ATA8 */
173  #define WIN_STANDBYNOW1                 0xE0
174  #define WIN_IDLEIMMEDIATE               0xE1 /* force drive to become "ready" */
175  #define WIN_STANDBY                     0xE2 /* Set device in Standby Mode */
176  #define WIN_SETIDLE1                    0xE3
177  #define WIN_READ_BUFFER                 0xE4 /* force read only 1 sector */
178  #define WIN_CHECKPOWERMODE1             0xE5
179  #define WIN_SLEEPNOW1                   0xE6
180  #define WIN_FLUSH_CACHE                 0xE7
181  #define WIN_WRITE_BUFFER                0xE8 /* force write only 1 sector */
182  /* READ BUFFER DMA                      0xE9 */
183  #define WIN_FLUSH_CACHE_EXT             0xEA /* 48-Bit */
184  /* WRITE BUFFER DMA                     0xEB */
185  #define WIN_IDENTIFY                    0xEC /* ask drive to identify itself */
186  #define WIN_MEDIAEJECT                  0xED /* obsolete since ATA8 */
187  /* obsolete since ATA4                  0xEE */
188  #define WIN_SETFEATURES                 0xEF /* set special drive features */
189  #define IBM_SENSE_CONDITION             0xF0 /* measure disk temperature, vendor specific */
190  #define WIN_SECURITY_SET_PASS           0xF1
191  #define WIN_SECURITY_UNLOCK             0xF2
192  #define WIN_SECURITY_ERASE_PREPARE      0xF3
193  #define WIN_SECURITY_ERASE_UNIT         0xF4
194  #define WIN_SECURITY_FREEZE_LOCK        0xF5
195  #define CFA_WEAR_LEVEL                  0xF5 /* microdrives implement as NOP; not specified in T13! */
196  #define WIN_SECURITY_DISABLE            0xF6
197  /* vendor specific                      0xF7 */
198  #define WIN_READ_NATIVE_MAX             0xF8 /* return the native maximum address */
199  #define WIN_SET_MAX                     0xF9
200  /* vendor specific                      0xFA..0xFF */
201  
202  /* set to 1 set disable mult support */
203  #define MAX_MULT_SECTORS 16
204  
205  #define IDE_DMA_BUF_SECTORS 256
206  
207  /* feature values for Data Set Management */
208  #define DSM_TRIM                        0x01
209  
210  #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
211  #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
212  #endif
213  
214  /* ATAPI defines */
215  
216  #define ATAPI_PACKET_SIZE 12
217  
218  /* The generic packet command opcodes for CD/DVD Logical Units,
219   * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
220  #define GPCMD_BLANK                         0xa1
221  #define GPCMD_CLOSE_TRACK                   0x5b
222  #define GPCMD_FLUSH_CACHE                   0x35
223  #define GPCMD_FORMAT_UNIT                   0x04
224  #define GPCMD_GET_CONFIGURATION             0x46
225  #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
226  #define GPCMD_GET_PERFORMANCE               0xac
227  #define GPCMD_INQUIRY                       0x12
228  #define GPCMD_LOAD_UNLOAD                   0xa6
229  #define GPCMD_MECHANISM_STATUS              0xbd
230  #define GPCMD_MODE_SELECT_10                0x55
231  #define GPCMD_MODE_SENSE_10                 0x5a
232  #define GPCMD_PAUSE_RESUME                  0x4b
233  #define GPCMD_PLAY_AUDIO_10                 0x45
234  #define GPCMD_PLAY_AUDIO_MSF                0x47
235  #define GPCMD_PLAY_AUDIO_TI                 0x48
236  #define GPCMD_PLAY_CD                       0xbc
237  #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
238  #define GPCMD_READ_10                       0x28
239  #define GPCMD_READ_12                       0xa8
240  #define GPCMD_READ_CDVD_CAPACITY            0x25
241  #define GPCMD_READ_CD                       0xbe
242  #define GPCMD_READ_CD_MSF                   0xb9
243  #define GPCMD_READ_DISC_INFO                0x51
244  #define GPCMD_READ_DVD_STRUCTURE            0xad
245  #define GPCMD_READ_FORMAT_CAPACITIES        0x23
246  #define GPCMD_READ_HEADER                   0x44
247  #define GPCMD_READ_TRACK_RZONE_INFO         0x52
248  #define GPCMD_READ_SUBCHANNEL               0x42
249  #define GPCMD_READ_TOC_PMA_ATIP             0x43
250  #define GPCMD_REPAIR_RZONE_TRACK            0x58
251  #define GPCMD_REPORT_KEY                    0xa4
252  #define GPCMD_REQUEST_SENSE                 0x03
253  #define GPCMD_RESERVE_RZONE_TRACK           0x53
254  #define GPCMD_SCAN                          0xba
255  #define GPCMD_SEEK                          0x2b
256  #define GPCMD_SEND_DVD_STRUCTURE            0xad
257  #define GPCMD_SEND_EVENT                    0xa2
258  #define GPCMD_SEND_KEY                      0xa3
259  #define GPCMD_SEND_OPC                      0x54
260  #define GPCMD_SET_READ_AHEAD                0xa7
261  #define GPCMD_SET_STREAMING                 0xb6
262  #define GPCMD_START_STOP_UNIT               0x1b
263  #define GPCMD_STOP_PLAY_SCAN                0x4e
264  #define GPCMD_TEST_UNIT_READY               0x00
265  #define GPCMD_VERIFY_10                     0x2f
266  #define GPCMD_WRITE_10                      0x2a
267  #define GPCMD_WRITE_AND_VERIFY_10           0x2e
268  /* This is listed as optional in ATAPI 2.6, but is (curiously)
269   * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
270   * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
271   * drives support it. */
272  #define GPCMD_SET_SPEED                     0xbb
273  /* This seems to be a SCSI specific CD-ROM opcode
274   * to play data at track/index */
275  #define GPCMD_PLAYAUDIO_TI                  0x48
276  /*
277   * From MS Media Status Notification Support Specification. For
278   * older drives only.
279   */
280  #define GPCMD_GET_MEDIA_STATUS              0xda
281  #define GPCMD_MODE_SENSE_6                  0x1a
282  
283  #define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */
284  #define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */
285  #define ATAPI_INT_REASON_REL            0x04
286  #define ATAPI_INT_REASON_TAG            0xf8
287  
288  /* same constants as bochs */
289  #define ASC_NO_SEEK_COMPLETE                 0x02
290  #define ASC_ILLEGAL_OPCODE                   0x20
291  #define ASC_LOGICAL_BLOCK_OOR                0x21
292  #define ASC_INV_FIELD_IN_CMD_PACKET          0x24
293  #define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28
294  #define ASC_INCOMPATIBLE_FORMAT              0x30
295  #define ASC_MEDIUM_NOT_PRESENT               0x3a
296  #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39
297  #define ASC_DATA_PHASE_ERROR                 0x4b
298  #define ASC_MEDIA_REMOVAL_PREVENTED          0x53
299  
300  #define CFA_NO_ERROR            0x00
301  #define CFA_MISC_ERROR          0x09
302  #define CFA_INVALID_COMMAND     0x20
303  #define CFA_INVALID_ADDRESS     0x21
304  #define CFA_ADDRESS_OVERFLOW    0x2f
305  
306  #define SMART_READ_DATA       0xd0
307  #define SMART_READ_THRESH     0xd1
308  #define SMART_ATTR_AUTOSAVE   0xd2
309  #define SMART_SAVE_ATTR       0xd3
310  #define SMART_EXECUTE_OFFLINE 0xd4
311  #define SMART_READ_LOG        0xd5
312  #define SMART_WRITE_LOG       0xd6
313  #define SMART_ENABLE          0xd8
314  #define SMART_DISABLE         0xd9
315  #define SMART_STATUS          0xda
316  
317  extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT];
318  
319  extern const MemoryRegionPortio ide_portio_list[];
320  extern const MemoryRegionPortio ide_portio2_list[];
321  
322  #define ide_cmd_is_read(s) \
323          ((s)->dma_cmd == IDE_DMA_READ)
324  
325  typedef struct IDEBufferedRequest {
326      QLIST_ENTRY(IDEBufferedRequest) list;
327      QEMUIOVector qiov;
328      QEMUIOVector *original_qiov;
329      BlockCompletionFunc *original_cb;
330      void *original_opaque;
331      bool orphaned;
332  } IDEBufferedRequest;
333  
334  /* These are used for the error_status field of IDEBus */
335  #define IDE_RETRY_MASK 0xf8
336  #define IDE_RETRY_DMA  0x08
337  #define IDE_RETRY_PIO  0x10
338  #define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */
339  #define IDE_RETRY_READ  0x20
340  #define IDE_RETRY_FLUSH 0x40
341  #define IDE_RETRY_TRIM 0x80
342  #define IDE_RETRY_HBA  0x100
343  
344  #define IS_IDE_RETRY_DMA(_status) \
345      ((_status) & IDE_RETRY_DMA)
346  
347  #define IS_IDE_RETRY_PIO(_status) \
348      ((_status) & IDE_RETRY_PIO)
349  
350  /*
351   * The method of the IDE_RETRY_ATAPI determination is to use a previously
352   * impossible bit combination as a new status value.
353   */
354  #define IS_IDE_RETRY_ATAPI(_status)   \
355      (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI)
356  
ide_dma_cmd_to_retry(uint8_t dma_cmd)357  static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd)
358  {
359      switch (dma_cmd) {
360      case IDE_DMA_READ:
361          return IDE_RETRY_DMA | IDE_RETRY_READ;
362      case IDE_DMA_WRITE:
363          return IDE_RETRY_DMA;
364      case IDE_DMA_TRIM:
365          return IDE_RETRY_DMA | IDE_RETRY_TRIM;
366      case IDE_DMA_ATAPI:
367          return IDE_RETRY_ATAPI;
368      default:
369          break;
370      }
371      return 0;
372  }
373  
ide_bus_active_if(IDEBus * bus)374  static inline IDEState *ide_bus_active_if(IDEBus *bus)
375  {
376      return bus->ifs + bus->unit;
377  }
378  
379  /* hw/ide/core.c */
380  extern const VMStateDescription vmstate_ide_bus;
381  
382  #define VMSTATE_IDE_BUS(_field, _state)                          \
383      VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
384  
385  #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
386      VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
387  
388  extern const VMStateDescription vmstate_ide_drive;
389  
390  #define VMSTATE_IDE_DRIVES(_field, _state) \
391      VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
392  
393  #define VMSTATE_IDE_DRIVE(_field, _state) \
394      VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState)
395  
396  void ide_bus_reset(IDEBus *bus);
397  int64_t ide_get_sector(IDEState *s);
398  void ide_set_sector(IDEState *s, int64_t sector_num);
399  
400  void ide_start_dma(IDEState *s, BlockCompletionFunc *cb);
401  void dma_buf_commit(IDEState *s, uint32_t tx_bytes);
402  void ide_dma_error(IDEState *s);
403  void ide_abort_command(IDEState *s);
404  
405  void ide_atapi_cmd_ok(IDEState *s);
406  void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
407  void ide_atapi_dma_restart(IDEState *s);
408  void ide_atapi_io_error(IDEState *s, int ret);
409  
410  void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
411  uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
412  uint32_t ide_status_read(void *opaque, uint32_t addr);
413  void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val);
414  void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
415  uint32_t ide_data_readw(void *opaque, uint32_t addr);
416  void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
417  uint32_t ide_data_readl(void *opaque, uint32_t addr);
418  
419  int ide_init_drive(IDEState *s, IDEDevice *dev, IDEDriveKind kind, Error **errp);
420  void ide_exit(IDEState *s);
421  void ide_bus_init_output_irq(IDEBus *bus, qemu_irq irq_out);
422  int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
423  void ide_bus_set_irq(IDEBus *bus);
424  void ide_bus_register_restart_cb(IDEBus *bus);
425  
426  void ide_bus_exec_cmd(IDEBus *bus, uint32_t val);
427  
428  void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
429                          EndTransferFunc *end_transfer_func);
430  bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size,
431                                    EndTransferFunc *end_transfer_func);
432  void ide_transfer_stop(IDEState *s);
433  void ide_set_inactive(IDEState *s, bool more);
434  BlockAIOCB *ide_issue_trim(
435          int64_t offset, QEMUIOVector *qiov,
436          BlockCompletionFunc *cb, void *cb_opaque, void *opaque);
437  BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num,
438                                 QEMUIOVector *iov, int nb_sectors,
439                                 BlockCompletionFunc *cb, void *opaque);
440  void ide_cancel_dma_sync(IDEState *s);
441  
442  /* hw/ide/atapi.c */
443  void ide_atapi_cmd(IDEState *s);
444  void ide_atapi_cmd_reply_end(IDEState *s);
445  
446  int ide_handle_rw_error(IDEState *s, int error, int op);
447  
448  #endif /* HW_IDE_INTERNAL_H */
449