xref: /illumos-kvm-cmd/hw/ide/internal.h (revision 68396ea9)
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 #include <hw/ide.h>
10 #include "block_int.h"
11 #include "iorange.h"
12 
13 /* debug IDE devices */
14 //#define DEBUG_IDE
15 //#define DEBUG_IDE_ATAPI
16 //#define DEBUG_AIO
17 #define USE_DMA_CDROM
18 
19 typedef struct IDEBus IDEBus;
20 typedef struct IDEDevice IDEDevice;
21 typedef struct IDEDeviceInfo IDEDeviceInfo;
22 typedef struct IDEState IDEState;
23 typedef struct IDEDMA IDEDMA;
24 typedef struct IDEDMAOps IDEDMAOps;
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 #define IDE_CMD_RESET           0x04
55 #define IDE_CMD_DISABLE_IRQ     0x02
56 
57 /* ATA/ATAPI Commands pre T13 Spec */
58 #define WIN_NOP				0x00
59 /*
60  *	0x01->0x02 Reserved
61  */
62 #define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
63 /*
64  *	0x04->0x07 Reserved
65  */
66 #define WIN_SRST			0x08 /* ATAPI soft reset command */
67 #define WIN_DEVICE_RESET		0x08
68 /*
69  *	0x09->0x0F Reserved
70  */
71 #define WIN_RECAL			0x10
72 #define WIN_RESTORE			WIN_RECAL
73 /*
74  *	0x10->0x1F Reserved
75  */
76 #define WIN_READ			0x20 /* 28-Bit */
77 #define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
78 #define WIN_READ_LONG			0x22 /* 28-Bit */
79 #define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
80 #define WIN_READ_EXT			0x24 /* 48-Bit */
81 #define WIN_READDMA_EXT			0x25 /* 48-Bit */
82 #define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
83 #define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
84 /*
85  *	0x28
86  */
87 #define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
88 /*
89  *	0x2A->0x2F Reserved
90  */
91 #define WIN_WRITE			0x30 /* 28-Bit */
92 #define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
93 #define WIN_WRITE_LONG			0x32 /* 28-Bit */
94 #define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
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 */
99 #define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
100 #define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
101 /*
102  *	0x3A->0x3B Reserved
103  */
104 #define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
105 /*
106  *	0x3D->0x3F Reserved
107  */
108 #define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
109 #define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
110 #define WIN_VERIFY_EXT			0x42 /* 48-Bit */
111 /*
112  *	0x43->0x4F Reserved
113  */
114 #define WIN_FORMAT			0x50
115 /*
116  *	0x51->0x5F Reserved
117  */
118 #define WIN_INIT			0x60
119 /*
120  *	0x61->0x5F Reserved
121  */
122 #define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
123 #define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
124 #define WIN_DIAGNOSE			0x90
125 #define WIN_SPECIFY			0x91 /* set drive geometry translation */
126 #define WIN_DOWNLOAD_MICROCODE		0x92
127 #define WIN_STANDBYNOW2			0x94
128 #define CFA_IDLEIMMEDIATE		0x95 /* force drive to become "ready" */
129 #define WIN_STANDBY2			0x96
130 #define WIN_SETIDLE2			0x97
131 #define WIN_CHECKPOWERMODE2		0x98
132 #define WIN_SLEEPNOW2			0x99
133 /*
134  *	0x9A VENDOR
135  */
136 #define WIN_PACKETCMD			0xA0 /* Send a packet command. */
137 #define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
138 #define WIN_QUEUED_SERVICE		0xA2
139 #define WIN_SMART			0xB0 /* self-monitoring and reporting */
140 #define CFA_ACCESS_METADATA_STORAGE	0xB8
141 #define CFA_ERASE_SECTORS       	0xC0 /* microdrives implement as NOP */
142 #define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
143 #define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
144 #define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
145 #define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */
146 #define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
147 #define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
148 #define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
149 #define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
150 #define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
151 #define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
152 #define WIN_GETMEDIASTATUS		0xDA
153 #define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
154 #define WIN_POSTBOOT			0xDC
155 #define WIN_PREBOOT			0xDD
156 #define WIN_DOORLOCK			0xDE /* lock door on removable drives */
157 #define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
158 #define WIN_STANDBYNOW1			0xE0
159 #define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
160 #define WIN_STANDBY             	0xE2 /* Set device in Standby Mode */
161 #define WIN_SETIDLE1			0xE3
162 #define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
163 #define WIN_CHECKPOWERMODE1		0xE5
164 #define WIN_SLEEPNOW1			0xE6
165 #define WIN_FLUSH_CACHE			0xE7
166 #define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
167 #define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
168 	/* SET_FEATURES 0x22 or 0xDD */
169 #define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
170 #define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
171 #define WIN_MEDIAEJECT			0xED
172 #define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
173 #define WIN_SETFEATURES			0xEF /* set special drive features */
174 #define EXABYTE_ENABLE_NEST		0xF0
175 #define IBM_SENSE_CONDITION		0xF0 /* measure disk temperature */
176 #define WIN_SECURITY_SET_PASS		0xF1
177 #define WIN_SECURITY_UNLOCK		0xF2
178 #define WIN_SECURITY_ERASE_PREPARE	0xF3
179 #define WIN_SECURITY_ERASE_UNIT		0xF4
180 #define WIN_SECURITY_FREEZE_LOCK	0xF5
181 #define CFA_WEAR_LEVEL			0xF5 /* microdrives implement as NOP */
182 #define WIN_SECURITY_DISABLE		0xF6
183 #define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
184 #define WIN_SET_MAX			0xF9
185 #define DISABLE_SEAGATE			0xFB
186 
187 /* set to 1 set disable mult support */
188 #define MAX_MULT_SECTORS 16
189 
190 #define IDE_DMA_BUF_SECTORS 256
191 
192 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
193 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
194 #endif
195 
196 /* ATAPI defines */
197 
198 #define ATAPI_PACKET_SIZE 12
199 
200 /* The generic packet command opcodes for CD/DVD Logical Units,
201  * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
202 #define GPCMD_BLANK			    0xa1
203 #define GPCMD_CLOSE_TRACK		    0x5b
204 #define GPCMD_FLUSH_CACHE		    0x35
205 #define GPCMD_FORMAT_UNIT		    0x04
206 #define GPCMD_GET_CONFIGURATION		    0x46
207 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
208 #define GPCMD_GET_PERFORMANCE		    0xac
209 #define GPCMD_INQUIRY			    0x12
210 #define GPCMD_LOAD_UNLOAD		    0xa6
211 #define GPCMD_MECHANISM_STATUS		    0xbd
212 #define GPCMD_MODE_SELECT_10		    0x55
213 #define GPCMD_MODE_SENSE_10		    0x5a
214 #define GPCMD_PAUSE_RESUME		    0x4b
215 #define GPCMD_PLAY_AUDIO_10		    0x45
216 #define GPCMD_PLAY_AUDIO_MSF		    0x47
217 #define GPCMD_PLAY_AUDIO_TI		    0x48
218 #define GPCMD_PLAY_CD			    0xbc
219 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
220 #define GPCMD_READ_10			    0x28
221 #define GPCMD_READ_12			    0xa8
222 #define GPCMD_READ_CDVD_CAPACITY	    0x25
223 #define GPCMD_READ_CD			    0xbe
224 #define GPCMD_READ_CD_MSF		    0xb9
225 #define GPCMD_READ_DISC_INFO		    0x51
226 #define GPCMD_READ_DVD_STRUCTURE	    0xad
227 #define GPCMD_READ_FORMAT_CAPACITIES	    0x23
228 #define GPCMD_READ_HEADER		    0x44
229 #define GPCMD_READ_TRACK_RZONE_INFO	    0x52
230 #define GPCMD_READ_SUBCHANNEL		    0x42
231 #define GPCMD_READ_TOC_PMA_ATIP		    0x43
232 #define GPCMD_REPAIR_RZONE_TRACK	    0x58
233 #define GPCMD_REPORT_KEY		    0xa4
234 #define GPCMD_REQUEST_SENSE		    0x03
235 #define GPCMD_RESERVE_RZONE_TRACK	    0x53
236 #define GPCMD_SCAN			    0xba
237 #define GPCMD_SEEK			    0x2b
238 #define GPCMD_SEND_DVD_STRUCTURE	    0xad
239 #define GPCMD_SEND_EVENT		    0xa2
240 #define GPCMD_SEND_KEY			    0xa3
241 #define GPCMD_SEND_OPC			    0x54
242 #define GPCMD_SET_READ_AHEAD		    0xa7
243 #define GPCMD_SET_STREAMING		    0xb6
244 #define GPCMD_START_STOP_UNIT		    0x1b
245 #define GPCMD_STOP_PLAY_SCAN		    0x4e
246 #define GPCMD_TEST_UNIT_READY		    0x00
247 #define GPCMD_VERIFY_10			    0x2f
248 #define GPCMD_WRITE_10			    0x2a
249 #define GPCMD_WRITE_AND_VERIFY_10	    0x2e
250 /* This is listed as optional in ATAPI 2.6, but is (curiously)
251  * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
252  * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
253  * drives support it. */
254 #define GPCMD_SET_SPEED			    0xbb
255 /* This seems to be a SCSI specific CD-ROM opcode
256  * to play data at track/index */
257 #define GPCMD_PLAYAUDIO_TI		    0x48
258 /*
259  * From MS Media Status Notification Support Specification. For
260  * older drives only.
261  */
262 #define GPCMD_GET_MEDIA_STATUS		    0xda
263 #define GPCMD_MODE_SENSE_6		    0x1a
264 
265 /* Mode page codes for mode sense/set */
266 #define GPMODE_R_W_ERROR_PAGE		0x01
267 #define GPMODE_WRITE_PARMS_PAGE		0x05
268 #define GPMODE_AUDIO_CTL_PAGE		0x0e
269 #define GPMODE_POWER_PAGE		0x1a
270 #define GPMODE_FAULT_FAIL_PAGE		0x1c
271 #define GPMODE_TO_PROTECT_PAGE		0x1d
272 #define GPMODE_CAPABILITIES_PAGE	0x2a
273 #define GPMODE_ALL_PAGES		0x3f
274 /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
275  * of MODE_SENSE_POWER_PAGE */
276 #define GPMODE_CDROM_PAGE		0x0d
277 
278 /*
279  * Based on values from <linux/cdrom.h> but extending CD_MINS
280  * to the maximum common size allowed by the Orange's Book ATIP
281  *
282  * 90 and 99 min CDs are also available but using them as the
283  * upper limit reduces the effectiveness of the heuristic to
284  * detect DVDs burned to less than 25% of their maximum capacity
285  */
286 
287 /* Some generally useful CD-ROM information */
288 #define CD_MINS                       80 /* max. minutes per CD */
289 #define CD_SECS                       60 /* seconds per minute */
290 #define CD_FRAMES                     75 /* frames per second */
291 #define CD_FRAMESIZE                2048 /* bytes per frame, "cooked" mode */
292 #define CD_MAX_BYTES       (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
293 #define CD_MAX_SECTORS     (CD_MAX_BYTES / 512)
294 
295 /*
296  * The MMC values are not IDE specific and might need to be moved
297  * to a common header if they are also needed for the SCSI emulation
298  */
299 
300 /* Profile list from MMC-6 revision 1 table 91 */
301 #define MMC_PROFILE_NONE                0x0000
302 #define MMC_PROFILE_CD_ROM              0x0008
303 #define MMC_PROFILE_CD_R                0x0009
304 #define MMC_PROFILE_CD_RW               0x000A
305 #define MMC_PROFILE_DVD_ROM             0x0010
306 #define MMC_PROFILE_DVD_R_SR            0x0011
307 #define MMC_PROFILE_DVD_RAM             0x0012
308 #define MMC_PROFILE_DVD_RW_RO           0x0013
309 #define MMC_PROFILE_DVD_RW_SR           0x0014
310 #define MMC_PROFILE_DVD_R_DL_SR         0x0015
311 #define MMC_PROFILE_DVD_R_DL_JR         0x0016
312 #define MMC_PROFILE_DVD_RW_DL           0x0017
313 #define MMC_PROFILE_DVD_DDR             0x0018
314 #define MMC_PROFILE_DVD_PLUS_RW         0x001A
315 #define MMC_PROFILE_DVD_PLUS_R          0x001B
316 #define MMC_PROFILE_DVD_PLUS_RW_DL      0x002A
317 #define MMC_PROFILE_DVD_PLUS_R_DL       0x002B
318 #define MMC_PROFILE_BD_ROM              0x0040
319 #define MMC_PROFILE_BD_R_SRM            0x0041
320 #define MMC_PROFILE_BD_R_RRM            0x0042
321 #define MMC_PROFILE_BD_RE               0x0043
322 #define MMC_PROFILE_HDDVD_ROM           0x0050
323 #define MMC_PROFILE_HDDVD_R             0x0051
324 #define MMC_PROFILE_HDDVD_RAM           0x0052
325 #define MMC_PROFILE_HDDVD_RW            0x0053
326 #define MMC_PROFILE_HDDVD_R_DL          0x0058
327 #define MMC_PROFILE_HDDVD_RW_DL         0x005A
328 #define MMC_PROFILE_INVALID             0xFFFF
329 
330 #define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */
331 #define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */
332 #define ATAPI_INT_REASON_REL            0x04
333 #define ATAPI_INT_REASON_TAG            0xf8
334 
335 /* same constants as bochs */
336 #define ASC_ILLEGAL_OPCODE                   0x20
337 #define ASC_LOGICAL_BLOCK_OOR                0x21
338 #define ASC_INV_FIELD_IN_CMD_PACKET          0x24
339 #define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28
340 #define ASC_INCOMPATIBLE_FORMAT              0x30
341 #define ASC_MEDIUM_NOT_PRESENT               0x3a
342 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39
343 #define ASC_MEDIA_REMOVAL_PREVENTED          0x53
344 
345 #define CFA_NO_ERROR            0x00
346 #define CFA_MISC_ERROR          0x09
347 #define CFA_INVALID_COMMAND     0x20
348 #define CFA_INVALID_ADDRESS     0x21
349 #define CFA_ADDRESS_OVERFLOW    0x2f
350 
351 #define SENSE_NONE            0
352 #define SENSE_NOT_READY       2
353 #define SENSE_ILLEGAL_REQUEST 5
354 #define SENSE_UNIT_ATTENTION  6
355 
356 #define SMART_READ_DATA       0xd0
357 #define SMART_READ_THRESH     0xd1
358 #define SMART_ATTR_AUTOSAVE   0xd2
359 #define SMART_SAVE_ATTR       0xd3
360 #define SMART_EXECUTE_OFFLINE 0xd4
361 #define SMART_READ_LOG        0xd5
362 #define SMART_WRITE_LOG       0xd6
363 #define SMART_ENABLE          0xd8
364 #define SMART_DISABLE         0xd9
365 #define SMART_STATUS          0xda
366 
367 typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
368 
369 typedef void EndTransferFunc(IDEState *);
370 
371 typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockDriverCompletionFunc *);
372 typedef int DMAFunc(IDEDMA *);
373 typedef int DMAIntFunc(IDEDMA *, int);
374 typedef void DMARestartFunc(void *, int, int);
375 
376 /* NOTE: IDEState represents in fact one drive */
377 struct IDEState {
378     IDEBus *bus;
379     uint8_t unit;
380     /* ide config */
381     IDEDriveKind drive_kind;
382     int cylinders, heads, sectors;
383     int64_t nb_sectors;
384     int mult_sectors;
385     int identify_set;
386     uint8_t identify_data[512];
387     int drive_serial;
388     char drive_serial_str[21];
389     /* ide regs */
390     uint8_t feature;
391     uint8_t error;
392     uint32_t nsector;
393     uint8_t sector;
394     uint8_t lcyl;
395     uint8_t hcyl;
396     /* other part of tf for lba48 support */
397     uint8_t hob_feature;
398     uint8_t hob_nsector;
399     uint8_t hob_sector;
400     uint8_t hob_lcyl;
401     uint8_t hob_hcyl;
402 
403     uint8_t select;
404     uint8_t status;
405 
406     /* set for lba48 access */
407     uint8_t lba48;
408     BlockDriverState *bs;
409     char version[9];
410     /* ATAPI specific */
411     uint8_t sense_key;
412     uint8_t asc;
413     uint8_t cdrom_changed;
414     int packet_transfer_size;
415     int elementary_transfer_size;
416     int io_buffer_index;
417     int lba;
418     int cd_sector_size;
419     int atapi_dma; /* true if dma is requested for the packet cmd */
420     /* ATA DMA state */
421     int io_buffer_size;
422     QEMUSGList sg;
423     /* PIO transfer handling */
424     int req_nb_sectors; /* number of sectors per interrupt */
425     EndTransferFunc *end_transfer_func;
426     uint8_t *data_ptr;
427     uint8_t *data_end;
428     uint8_t *io_buffer;
429     /* PIO save/restore */
430     int32_t io_buffer_total_len;
431     int cur_io_buffer_offset;
432     int cur_io_buffer_len;
433     uint8_t end_transfer_fn_idx;
434     QEMUTimer *sector_write_timer; /* only used for win2k install hack */
435     uint32_t irq_count; /* counts IRQs when using win2k install hack */
436     /* CF-ATA extended error */
437     uint8_t ext_error;
438     /* CF-ATA metadata storage */
439     uint32_t mdata_size;
440     uint8_t *mdata_storage;
441     int media_changed;
442     int is_read;
443     /* SMART */
444     uint8_t smart_enabled;
445     uint8_t smart_autosave;
446     int smart_errors;
447     uint8_t smart_selftest_count;
448     uint8_t *smart_selftest_data;
449     /* AHCI */
450     int ncq_queues;
451 };
452 
453 struct IDEDMAOps {
454     DMAStartFunc *start_dma;
455     DMAFunc *start_transfer;
456     DMAIntFunc *prepare_buf;
457     DMAIntFunc *rw_buf;
458     DMAIntFunc *set_unit;
459     DMAIntFunc *add_status;
460     DMAFunc *set_inactive;
461     DMARestartFunc *restart_cb;
462     DMAFunc *reset;
463 };
464 
465 struct IDEDMA {
466     const struct IDEDMAOps *ops;
467     struct iovec iov;
468     QEMUIOVector qiov;
469     BlockDriverAIOCB *aiocb;
470 };
471 
472 struct IDEBus {
473     BusState qbus;
474     IDEDevice *master;
475     IDEDevice *slave;
476     IDEState ifs[2];
477     int bus_id;
478     IDEDMA *dma;
479     uint8_t unit;
480     uint8_t cmd;
481     qemu_irq irq;
482 };
483 
484 struct IDEDevice {
485     DeviceState qdev;
486     uint32_t unit;
487     BlockConf conf;
488     char *version;
489     char *serial;
490 };
491 
492 typedef int (*ide_qdev_initfn)(IDEDevice *dev);
493 struct IDEDeviceInfo {
494     DeviceInfo qdev;
495     ide_qdev_initfn init;
496 };
497 
498 #define BM_STATUS_DMAING 0x01
499 #define BM_STATUS_ERROR  0x02
500 #define BM_STATUS_INT    0x04
501 #define BM_STATUS_DMA_RETRY  0x08
502 #define BM_STATUS_PIO_RETRY  0x10
503 #define BM_STATUS_RETRY_READ  0x20
504 #define BM_STATUS_RETRY_FLUSH 0x40
505 
506 #define BM_CMD_START     0x01
507 #define BM_CMD_READ      0x08
508 
idebus_active_if(IDEBus * bus)509 static inline IDEState *idebus_active_if(IDEBus *bus)
510 {
511     return bus->ifs + bus->unit;
512 }
513 
ide_set_irq(IDEBus * bus)514 static inline void ide_set_irq(IDEBus *bus)
515 {
516     if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
517         qemu_irq_raise(bus->irq);
518     }
519 }
520 
521 /* hw/ide/core.c */
522 extern const VMStateDescription vmstate_ide_bus;
523 
524 #define VMSTATE_IDE_BUS(_field, _state)                          \
525     VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
526 
527 #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
528     VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
529 
530 extern const VMStateDescription vmstate_ide_drive;
531 
532 #define VMSTATE_IDE_DRIVES(_field, _state) \
533     VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
534 
535 void ide_bus_reset(IDEBus *bus);
536 int64_t ide_get_sector(IDEState *s);
537 void ide_set_sector(IDEState *s, int64_t sector_num);
538 
539 void ide_dma_error(IDEState *s);
540 
541 void ide_atapi_cmd_ok(IDEState *s);
542 void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
543 void ide_atapi_io_error(IDEState *s, int ret);
544 
545 void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
546 uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
547 uint32_t ide_status_read(void *opaque, uint32_t addr);
548 void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
549 void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
550 uint32_t ide_data_readw(void *opaque, uint32_t addr);
551 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
552 uint32_t ide_data_readl(void *opaque, uint32_t addr);
553 
554 int ide_init_drive(IDEState *s, BlockDriverState *bs,
555                    const char *version, const char *serial);
556 void ide_init2(IDEBus *bus, qemu_irq irq);
557 void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
558                                     DriveInfo *hd1, qemu_irq irq);
559 void ide_init_ioport(IDEBus *bus, int iobase, int iobase2);
560 
561 void ide_exec_cmd(IDEBus *bus, uint32_t val);
562 void ide_dma_cb(void *opaque, int ret);
563 void ide_sector_write(IDEState *s);
564 void ide_sector_read(IDEState *s);
565 void ide_flush_cache(IDEState *s);
566 
567 /* hw/ide/qdev.c */
568 void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id);
569 IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
570 
571 #endif /* HW_IDE_INTERNAL_H */
572