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 | |
21 | typedef struct IDEBus IDEBus; |
22 | typedef struct IDEDevice IDEDevice; |
23 | typedef struct IDEState IDEState; |
24 | typedef struct IDEDMA IDEDMA; |
25 | typedef struct IDEDMAOps IDEDMAOps; |
26 | |
27 | #define TYPE_IDE_BUS "IDE" |
28 | #define IDE_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS) |
29 | |
30 | /* Bits of HD_STATUS */ |
31 | #define ERR_STAT 0x01 |
32 | #define INDEX_STAT 0x02 |
33 | #define ECC_STAT 0x04 /* Corrected error */ |
34 | #define DRQ_STAT 0x08 |
35 | #define SEEK_STAT 0x10 |
36 | #define SRV_STAT 0x10 |
37 | #define WRERR_STAT 0x20 |
38 | #define READY_STAT 0x40 |
39 | #define BUSY_STAT 0x80 |
40 | |
41 | /* Bits for HD_ERROR */ |
42 | #define MARK_ERR 0x01 /* Bad address mark */ |
43 | #define TRK0_ERR 0x02 /* couldn't find track 0 */ |
44 | #define ABRT_ERR 0x04 /* Command aborted */ |
45 | #define MCR_ERR 0x08 /* media change request */ |
46 | #define ID_ERR 0x10 /* ID field not found */ |
47 | #define MC_ERR 0x20 /* media changed */ |
48 | #define ECC_ERR 0x40 /* Uncorrectable ECC error */ |
49 | #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ |
50 | #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ |
51 | |
52 | /* Bits of HD_NSECTOR */ |
53 | #define CD 0x01 |
54 | #define IO 0x02 |
55 | #define REL 0x04 |
56 | #define TAG_MASK 0xf8 |
57 | |
58 | #define IDE_CMD_RESET 0x04 |
59 | #define IDE_CMD_DISABLE_IRQ 0x02 |
60 | |
61 | /* ACS-2 T13/2015-D Table B.2 Command codes */ |
62 | #define WIN_NOP 0x00 |
63 | /* reserved 0x01..0x02 */ |
64 | #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ |
65 | /* reserved 0x04..0x05 */ |
66 | #define WIN_DSM 0x06 |
67 | /* reserved 0x07 */ |
68 | #define WIN_DEVICE_RESET 0x08 |
69 | /* reserved 0x09..0x0a */ |
70 | /* REQUEST SENSE DATA EXT 0x0B */ |
71 | /* reserved 0x0C..0x0F */ |
72 | #define WIN_RECAL 0x10 /* obsolete since ATA4 */ |
73 | /* obsolete since ATA3, retired in ATA4 0x11..0x1F */ |
74 | #define WIN_READ 0x20 /* 28-Bit */ |
75 | #define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete since ATA5 */ |
76 | /* obsolete since ATA4 0x22..0x23 */ |
77 | #define WIN_READ_EXT 0x24 /* 48-Bit */ |
78 | #define WIN_READDMA_EXT 0x25 /* 48-Bit */ |
79 | #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */ |
80 | #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ |
81 | /* reserved 0x28 */ |
82 | #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ |
83 | /* READ STREAM DMA EXT 0x2A */ |
84 | /* READ STREAM EXT 0x2B */ |
85 | /* reserved 0x2C..0x2E */ |
86 | /* READ LOG EXT 0x2F */ |
87 | #define WIN_WRITE 0x30 /* 28-Bit */ |
88 | #define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete since ATA5 */ |
89 | /* obsolete since ATA4 0x32..0x33 */ |
90 | #define WIN_WRITE_EXT 0x34 /* 48-Bit */ |
91 | #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ |
92 | #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ |
93 | #define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */ |
94 | #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ |
95 | #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ |
96 | #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ |
97 | /* WRITE STREAM DMA EXT 0x3A */ |
98 | /* WRITE STREAM EXT 0x3B */ |
99 | #define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */ |
100 | /* WRITE DMA FUA EXT 0x3D */ |
101 | /* obsolete since ACS2 0x3E */ |
102 | /* WRITE LOG EXT 0x3F */ |
103 | #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ |
104 | #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */ |
105 | #define WIN_VERIFY_EXT 0x42 /* 48-Bit */ |
106 | /* reserved 0x43..0x44 */ |
107 | /* WRITE UNCORRECTABLE EXT 0x45 */ |
108 | /* reserved 0x46 */ |
109 | /* READ LOG DMA EXT 0x47 */ |
110 | /* reserved 0x48..0x4F */ |
111 | /* obsolete since ATA4 0x50 */ |
112 | /* CONFIGURE STREAM 0x51 */ |
113 | /* reserved 0x52..0x56 */ |
114 | /* WRITE LOG DMA EXT 0x57 */ |
115 | /* reserved 0x58..0x5A */ |
116 | /* TRUSTED NON DATA 0x5B */ |
117 | /* TRUSTED RECEIVE 0x5C */ |
118 | /* TRUSTED RECEIVE DMA 0x5D */ |
119 | /* TRUSTED SEND 0x5E */ |
120 | /* TRUSTED SEND DMA 0x5F */ |
121 | /* READ FPDMA QUEUED 0x60 */ |
122 | /* WRITE FPDMA QUEUED 0x61 */ |
123 | /* reserved 0x62->0x6F */ |
124 | #define WIN_SEEK 0x70 /* obsolete since ATA7 */ |
125 | /* reserved 0x71-0x7F */ |
126 | /* vendor specific 0x80-0x86 */ |
127 | #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ |
128 | /* vendor specific 0x88-0x8F */ |
129 | #define WIN_DIAGNOSE 0x90 |
130 | #define WIN_SPECIFY 0x91 /* set drive geometry translation, obsolete since ATA6 */ |
131 | #define WIN_DOWNLOAD_MICROCODE 0x92 |
132 | /* DOWNLOAD MICROCODE DMA 0x93 */ |
133 | #define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */ |
134 | #define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready", retired in ATA4 */ |
135 | #define WIN_STANDBY2 0x96 /* retired in ATA4 */ |
136 | #define WIN_SETIDLE2 0x97 /* retired in ATA4 */ |
137 | #define WIN_CHECKPOWERMODE2 0x98 /* retired in ATA4 */ |
138 | #define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */ |
139 | /* vendor specific 0x9A */ |
140 | /* reserved 0x9B..0x9F */ |
141 | #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ |
142 | #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ |
143 | #define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */ |
144 | /* reserved 0xA3..0xAF */ |
145 | #define WIN_SMART 0xB0 /* self-monitoring and reporting */ |
146 | /* Device Configuration Overlay 0xB1 */ |
147 | /* reserved 0xB2..0xB3 */ |
148 | /* Sanitize Device 0xB4 */ |
149 | /* reserved 0xB5 */ |
150 | /* NV Cache 0xB6 */ |
151 | /* reserved for CFA 0xB7..0xBB */ |
152 | #define CFA_ACCESS_METADATA_STORAGE 0xB8 |
153 | /* reserved 0xBC..0xBF */ |
154 | #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */ |
155 | /* vendor specific 0xC1..0xC3 */ |
156 | #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ |
157 | #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ |
158 | #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ |
159 | #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */ |
160 | #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ |
161 | #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */ |
162 | #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ |
163 | #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */ |
164 | #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */ |
165 | #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ |
166 | /* WRITE MULTIPLE FUA EXT 0xCE */ |
167 | /* reserved 0xCF..0xDO */ |
168 | /* CHECK MEDIA CARD TYPE 0xD1 */ |
169 | /* reserved for media card pass through 0xD2..0xD4 */ |
170 | /* reserved 0xD5..0xD9 */ |
171 | #define WIN_GETMEDIASTATUS 0xDA /* obsolete since ATA8 */ |
172 | /* obsolete since ATA3, retired in ATA4 0xDB..0xDD */ |
173 | #define WIN_DOORLOCK 0xDE /* lock door on removable drives, obsolete since ATA8 */ |
174 | #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives, obsolete since ATA8 */ |
175 | #define WIN_STANDBYNOW1 0xE0 |
176 | #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ |
177 | #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ |
178 | #define WIN_SETIDLE1 0xE3 |
179 | #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ |
180 | #define WIN_CHECKPOWERMODE1 0xE5 |
181 | #define WIN_SLEEPNOW1 0xE6 |
182 | #define WIN_FLUSH_CACHE 0xE7 |
183 | #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ |
184 | /* READ BUFFER DMA 0xE9 */ |
185 | #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ |
186 | /* WRITE BUFFER DMA 0xEB */ |
187 | #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ |
188 | #define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */ |
189 | /* obsolete since ATA4 0xEE */ |
190 | #define WIN_SETFEATURES 0xEF /* set special drive features */ |
191 | #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature, vendor specific */ |
192 | #define WIN_SECURITY_SET_PASS 0xF1 |
193 | #define WIN_SECURITY_UNLOCK 0xF2 |
194 | #define WIN_SECURITY_ERASE_PREPARE 0xF3 |
195 | #define WIN_SECURITY_ERASE_UNIT 0xF4 |
196 | #define WIN_SECURITY_FREEZE_LOCK 0xF5 |
197 | #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP; not specified in T13! */ |
198 | #define WIN_SECURITY_DISABLE 0xF6 |
199 | /* vendor specific 0xF7 */ |
200 | #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ |
201 | #define WIN_SET_MAX 0xF9 |
202 | /* vendor specific 0xFA..0xFF */ |
203 | |
204 | /* set to 1 set disable mult support */ |
205 | #define MAX_MULT_SECTORS 16 |
206 | |
207 | #define IDE_DMA_BUF_SECTORS 256 |
208 | |
209 | /* feature values for Data Set Management */ |
210 | #define DSM_TRIM 0x01 |
211 | |
212 | #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS) |
213 | #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" |
214 | #endif |
215 | |
216 | /* ATAPI defines */ |
217 | |
218 | #define ATAPI_PACKET_SIZE 12 |
219 | |
220 | /* The generic packet command opcodes for CD/DVD Logical Units, |
221 | * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ |
222 | #define GPCMD_BLANK 0xa1 |
223 | #define GPCMD_CLOSE_TRACK 0x5b |
224 | #define GPCMD_FLUSH_CACHE 0x35 |
225 | #define GPCMD_FORMAT_UNIT 0x04 |
226 | #define GPCMD_GET_CONFIGURATION 0x46 |
227 | #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a |
228 | #define GPCMD_GET_PERFORMANCE 0xac |
229 | #define GPCMD_INQUIRY 0x12 |
230 | #define GPCMD_LOAD_UNLOAD 0xa6 |
231 | #define GPCMD_MECHANISM_STATUS 0xbd |
232 | #define GPCMD_MODE_SELECT_10 0x55 |
233 | #define GPCMD_MODE_SENSE_10 0x5a |
234 | #define GPCMD_PAUSE_RESUME 0x4b |
235 | #define GPCMD_PLAY_AUDIO_10 0x45 |
236 | #define GPCMD_PLAY_AUDIO_MSF 0x47 |
237 | #define GPCMD_PLAY_AUDIO_TI 0x48 |
238 | #define GPCMD_PLAY_CD 0xbc |
239 | #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e |
240 | #define GPCMD_READ_10 0x28 |
241 | #define GPCMD_READ_12 0xa8 |
242 | #define GPCMD_READ_CDVD_CAPACITY 0x25 |
243 | #define GPCMD_READ_CD 0xbe |
244 | #define GPCMD_READ_CD_MSF 0xb9 |
245 | #define GPCMD_READ_DISC_INFO 0x51 |
246 | #define GPCMD_READ_DVD_STRUCTURE 0xad |
247 | #define GPCMD_READ_FORMAT_CAPACITIES 0x23 |
248 | #define 0x44 |
249 | #define GPCMD_READ_TRACK_RZONE_INFO 0x52 |
250 | #define GPCMD_READ_SUBCHANNEL 0x42 |
251 | #define GPCMD_READ_TOC_PMA_ATIP 0x43 |
252 | #define GPCMD_REPAIR_RZONE_TRACK 0x58 |
253 | #define GPCMD_REPORT_KEY 0xa4 |
254 | #define GPCMD_REQUEST_SENSE 0x03 |
255 | #define GPCMD_RESERVE_RZONE_TRACK 0x53 |
256 | #define GPCMD_SCAN 0xba |
257 | #define GPCMD_SEEK 0x2b |
258 | #define GPCMD_SEND_DVD_STRUCTURE 0xad |
259 | #define GPCMD_SEND_EVENT 0xa2 |
260 | #define GPCMD_SEND_KEY 0xa3 |
261 | #define GPCMD_SEND_OPC 0x54 |
262 | #define GPCMD_SET_READ_AHEAD 0xa7 |
263 | #define GPCMD_SET_STREAMING 0xb6 |
264 | #define GPCMD_START_STOP_UNIT 0x1b |
265 | #define GPCMD_STOP_PLAY_SCAN 0x4e |
266 | #define GPCMD_TEST_UNIT_READY 0x00 |
267 | #define GPCMD_VERIFY_10 0x2f |
268 | #define GPCMD_WRITE_10 0x2a |
269 | #define GPCMD_WRITE_AND_VERIFY_10 0x2e |
270 | /* This is listed as optional in ATAPI 2.6, but is (curiously) |
271 | * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji |
272 | * Table 377 as an MMC command for SCSi devices though... Most ATAPI |
273 | * drives support it. */ |
274 | #define GPCMD_SET_SPEED 0xbb |
275 | /* This seems to be a SCSI specific CD-ROM opcode |
276 | * to play data at track/index */ |
277 | #define GPCMD_PLAYAUDIO_TI 0x48 |
278 | /* |
279 | * From MS Media Status Notification Support Specification. For |
280 | * older drives only. |
281 | */ |
282 | #define GPCMD_GET_MEDIA_STATUS 0xda |
283 | #define GPCMD_MODE_SENSE_6 0x1a |
284 | |
285 | #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ |
286 | #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ |
287 | #define ATAPI_INT_REASON_REL 0x04 |
288 | #define ATAPI_INT_REASON_TAG 0xf8 |
289 | |
290 | /* same constants as bochs */ |
291 | #define ASC_NO_SEEK_COMPLETE 0x02 |
292 | #define ASC_ILLEGAL_OPCODE 0x20 |
293 | #define ASC_LOGICAL_BLOCK_OOR 0x21 |
294 | #define ASC_INV_FIELD_IN_CMD_PACKET 0x24 |
295 | #define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28 |
296 | #define ASC_INCOMPATIBLE_FORMAT 0x30 |
297 | #define ASC_MEDIUM_NOT_PRESENT 0x3a |
298 | #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 |
299 | #define ASC_DATA_PHASE_ERROR 0x4b |
300 | #define ASC_MEDIA_REMOVAL_PREVENTED 0x53 |
301 | |
302 | #define CFA_NO_ERROR 0x00 |
303 | #define CFA_MISC_ERROR 0x09 |
304 | #define CFA_INVALID_COMMAND 0x20 |
305 | #define CFA_INVALID_ADDRESS 0x21 |
306 | #define CFA_ADDRESS_OVERFLOW 0x2f |
307 | |
308 | #define SMART_READ_DATA 0xd0 |
309 | #define SMART_READ_THRESH 0xd1 |
310 | #define SMART_ATTR_AUTOSAVE 0xd2 |
311 | #define SMART_SAVE_ATTR 0xd3 |
312 | #define SMART_EXECUTE_OFFLINE 0xd4 |
313 | #define SMART_READ_LOG 0xd5 |
314 | #define SMART_WRITE_LOG 0xd6 |
315 | #define SMART_ENABLE 0xd8 |
316 | #define SMART_DISABLE 0xd9 |
317 | #define SMART_STATUS 0xda |
318 | |
319 | typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind; |
320 | |
321 | typedef void EndTransferFunc(IDEState *); |
322 | |
323 | typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockCompletionFunc *); |
324 | typedef void DMAVoidFunc(IDEDMA *); |
325 | typedef int DMAIntFunc(IDEDMA *, int); |
326 | typedef int32_t DMAInt32Func(IDEDMA *, int32_t len); |
327 | typedef void DMAu32Func(IDEDMA *, uint32_t); |
328 | typedef void DMAStopFunc(IDEDMA *, bool); |
329 | typedef void DMARestartFunc(void *, int, RunState); |
330 | |
331 | struct unreported_events { |
332 | bool eject_request; |
333 | bool new_media; |
334 | }; |
335 | |
336 | enum ide_dma_cmd { |
337 | IDE_DMA_READ = 0, |
338 | IDE_DMA_WRITE, |
339 | IDE_DMA_TRIM, |
340 | IDE_DMA_ATAPI, |
341 | IDE_DMA__COUNT |
342 | }; |
343 | |
344 | extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT]; |
345 | |
346 | #define ide_cmd_is_read(s) \ |
347 | ((s)->dma_cmd == IDE_DMA_READ) |
348 | |
349 | typedef struct IDEBufferedRequest { |
350 | QLIST_ENTRY(IDEBufferedRequest) list; |
351 | QEMUIOVector qiov; |
352 | QEMUIOVector *original_qiov; |
353 | BlockCompletionFunc *original_cb; |
354 | void *original_opaque; |
355 | bool orphaned; |
356 | } IDEBufferedRequest; |
357 | |
358 | /* NOTE: IDEState represents in fact one drive */ |
359 | struct IDEState { |
360 | IDEBus *bus; |
361 | uint8_t unit; |
362 | /* ide config */ |
363 | IDEDriveKind drive_kind; |
364 | int cylinders, heads, sectors, chs_trans; |
365 | int64_t nb_sectors; |
366 | int mult_sectors; |
367 | int identify_set; |
368 | uint8_t identify_data[512]; |
369 | int drive_serial; |
370 | char drive_serial_str[21]; |
371 | char drive_model_str[41]; |
372 | uint64_t wwn; |
373 | /* ide regs */ |
374 | uint8_t feature; |
375 | uint8_t error; |
376 | uint32_t nsector; |
377 | uint8_t sector; |
378 | uint8_t lcyl; |
379 | uint8_t hcyl; |
380 | /* other part of tf for lba48 support */ |
381 | uint8_t hob_feature; |
382 | uint8_t hob_nsector; |
383 | uint8_t hob_sector; |
384 | uint8_t hob_lcyl; |
385 | uint8_t hob_hcyl; |
386 | |
387 | uint8_t select; |
388 | uint8_t status; |
389 | |
390 | /* set for lba48 access */ |
391 | uint8_t lba48; |
392 | BlockBackend *blk; |
393 | char version[9]; |
394 | /* ATAPI specific */ |
395 | struct unreported_events events; |
396 | uint8_t sense_key; |
397 | uint8_t asc; |
398 | bool tray_open; |
399 | bool tray_locked; |
400 | uint8_t cdrom_changed; |
401 | int packet_transfer_size; |
402 | int elementary_transfer_size; |
403 | int32_t io_buffer_index; |
404 | int lba; |
405 | int cd_sector_size; |
406 | int atapi_dma; /* true if dma is requested for the packet cmd */ |
407 | BlockAcctCookie acct; |
408 | BlockAIOCB *pio_aiocb; |
409 | QEMUIOVector qiov; |
410 | QLIST_HEAD(, IDEBufferedRequest) buffered_requests; |
411 | /* ATA DMA state */ |
412 | uint64_t io_buffer_offset; |
413 | int32_t io_buffer_size; |
414 | QEMUSGList sg; |
415 | /* PIO transfer handling */ |
416 | int req_nb_sectors; /* number of sectors per interrupt */ |
417 | EndTransferFunc *end_transfer_func; |
418 | uint8_t *data_ptr; |
419 | uint8_t *data_end; |
420 | uint8_t *io_buffer; |
421 | /* PIO save/restore */ |
422 | int32_t io_buffer_total_len; |
423 | int32_t cur_io_buffer_offset; |
424 | int32_t cur_io_buffer_len; |
425 | uint8_t end_transfer_fn_idx; |
426 | QEMUTimer *sector_write_timer; /* only used for win2k install hack */ |
427 | uint32_t irq_count; /* counts IRQs when using win2k install hack */ |
428 | /* CF-ATA extended error */ |
429 | uint8_t ext_error; |
430 | /* CF-ATA metadata storage */ |
431 | uint32_t mdata_size; |
432 | uint8_t *mdata_storage; |
433 | int media_changed; |
434 | enum ide_dma_cmd dma_cmd; |
435 | /* SMART */ |
436 | uint8_t smart_enabled; |
437 | uint8_t smart_autosave; |
438 | int smart_errors; |
439 | uint8_t smart_selftest_count; |
440 | uint8_t *smart_selftest_data; |
441 | /* AHCI */ |
442 | int ncq_queues; |
443 | }; |
444 | |
445 | struct IDEDMAOps { |
446 | DMAStartFunc *start_dma; |
447 | DMAVoidFunc *pio_transfer; |
448 | DMAInt32Func *prepare_buf; |
449 | DMAu32Func *commit_buf; |
450 | DMAIntFunc *rw_buf; |
451 | DMAVoidFunc *restart; |
452 | DMAVoidFunc *restart_dma; |
453 | DMAStopFunc *set_inactive; |
454 | DMAVoidFunc *cmd_done; |
455 | DMAVoidFunc *reset; |
456 | }; |
457 | |
458 | struct IDEDMA { |
459 | const struct IDEDMAOps *ops; |
460 | QEMUIOVector qiov; |
461 | BlockAIOCB *aiocb; |
462 | }; |
463 | |
464 | struct IDEBus { |
465 | BusState qbus; |
466 | IDEDevice *master; |
467 | IDEDevice *slave; |
468 | IDEState ifs[2]; |
469 | QEMUBH *bh; |
470 | |
471 | int bus_id; |
472 | int max_units; |
473 | IDEDMA *dma; |
474 | uint8_t unit; |
475 | uint8_t cmd; |
476 | qemu_irq irq; |
477 | |
478 | int error_status; |
479 | uint8_t retry_unit; |
480 | int64_t retry_sector_num; |
481 | uint32_t retry_nsector; |
482 | PortioList portio_list; |
483 | PortioList portio2_list; |
484 | VMChangeStateEntry *vmstate; |
485 | }; |
486 | |
487 | #define TYPE_IDE_DEVICE "ide-device" |
488 | #define IDE_DEVICE(obj) \ |
489 | OBJECT_CHECK(IDEDevice, (obj), TYPE_IDE_DEVICE) |
490 | #define IDE_DEVICE_CLASS(klass) \ |
491 | OBJECT_CLASS_CHECK(IDEDeviceClass, (klass), TYPE_IDE_DEVICE) |
492 | #define IDE_DEVICE_GET_CLASS(obj) \ |
493 | OBJECT_GET_CLASS(IDEDeviceClass, (obj), TYPE_IDE_DEVICE) |
494 | |
495 | typedef struct IDEDeviceClass { |
496 | DeviceClass parent_class; |
497 | void (*realize)(IDEDevice *dev, Error **errp); |
498 | } IDEDeviceClass; |
499 | |
500 | struct IDEDevice { |
501 | DeviceState qdev; |
502 | uint32_t unit; |
503 | BlockConf conf; |
504 | int chs_trans; |
505 | char *version; |
506 | char *serial; |
507 | char *model; |
508 | uint64_t wwn; |
509 | /* |
510 | * 0x0000 - rotation rate not reported |
511 | * 0x0001 - non-rotating medium (SSD) |
512 | * 0x0002-0x0400 - reserved |
513 | * 0x0401-0xffe - rotations per minute |
514 | * 0xffff - reserved |
515 | */ |
516 | uint16_t rotation_rate; |
517 | }; |
518 | |
519 | /* These are used for the error_status field of IDEBus */ |
520 | #define IDE_RETRY_MASK 0xf8 |
521 | #define IDE_RETRY_DMA 0x08 |
522 | #define IDE_RETRY_PIO 0x10 |
523 | #define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */ |
524 | #define IDE_RETRY_READ 0x20 |
525 | #define IDE_RETRY_FLUSH 0x40 |
526 | #define IDE_RETRY_TRIM 0x80 |
527 | #define IDE_RETRY_HBA 0x100 |
528 | |
529 | #define IS_IDE_RETRY_DMA(_status) \ |
530 | ((_status) & IDE_RETRY_DMA) |
531 | |
532 | #define IS_IDE_RETRY_PIO(_status) \ |
533 | ((_status) & IDE_RETRY_PIO) |
534 | |
535 | /* |
536 | * The method of the IDE_RETRY_ATAPI determination is to use a previously |
537 | * impossible bit combination as a new status value. |
538 | */ |
539 | #define IS_IDE_RETRY_ATAPI(_status) \ |
540 | (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI) |
541 | |
542 | static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd) |
543 | { |
544 | switch (dma_cmd) { |
545 | case IDE_DMA_READ: |
546 | return IDE_RETRY_DMA | IDE_RETRY_READ; |
547 | case IDE_DMA_WRITE: |
548 | return IDE_RETRY_DMA; |
549 | case IDE_DMA_TRIM: |
550 | return IDE_RETRY_DMA | IDE_RETRY_TRIM; |
551 | case IDE_DMA_ATAPI: |
552 | return IDE_RETRY_ATAPI; |
553 | default: |
554 | break; |
555 | } |
556 | return 0; |
557 | } |
558 | |
559 | static inline IDEState *idebus_active_if(IDEBus *bus) |
560 | { |
561 | return bus->ifs + bus->unit; |
562 | } |
563 | |
564 | static inline void ide_set_irq(IDEBus *bus) |
565 | { |
566 | if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) { |
567 | qemu_irq_raise(bus->irq); |
568 | } |
569 | } |
570 | |
571 | /* hw/ide/core.c */ |
572 | extern const VMStateDescription vmstate_ide_bus; |
573 | |
574 | #define VMSTATE_IDE_BUS(_field, _state) \ |
575 | VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus) |
576 | |
577 | #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \ |
578 | VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus) |
579 | |
580 | extern const VMStateDescription vmstate_ide_drive; |
581 | |
582 | #define VMSTATE_IDE_DRIVES(_field, _state) \ |
583 | VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState) |
584 | |
585 | #define VMSTATE_IDE_DRIVE(_field, _state) \ |
586 | VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState) |
587 | |
588 | void ide_bus_reset(IDEBus *bus); |
589 | int64_t ide_get_sector(IDEState *s); |
590 | void ide_set_sector(IDEState *s, int64_t sector_num); |
591 | |
592 | void ide_start_dma(IDEState *s, BlockCompletionFunc *cb); |
593 | void dma_buf_commit(IDEState *s, uint32_t tx_bytes); |
594 | void ide_dma_error(IDEState *s); |
595 | void ide_abort_command(IDEState *s); |
596 | |
597 | void ide_atapi_cmd_ok(IDEState *s); |
598 | void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); |
599 | void ide_atapi_dma_restart(IDEState *s); |
600 | void ide_atapi_io_error(IDEState *s, int ret); |
601 | |
602 | void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); |
603 | uint32_t ide_ioport_read(void *opaque, uint32_t addr1); |
604 | uint32_t ide_status_read(void *opaque, uint32_t addr); |
605 | void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val); |
606 | void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); |
607 | uint32_t ide_data_readw(void *opaque, uint32_t addr); |
608 | void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); |
609 | uint32_t ide_data_readl(void *opaque, uint32_t addr); |
610 | |
611 | int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, |
612 | const char *version, const char *serial, const char *model, |
613 | uint64_t wwn, |
614 | uint32_t cylinders, uint32_t heads, uint32_t secs, |
615 | int chs_trans, Error **errp); |
616 | void ide_init2(IDEBus *bus, qemu_irq irq); |
617 | void ide_exit(IDEState *s); |
618 | void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2); |
619 | void ide_register_restart_cb(IDEBus *bus); |
620 | |
621 | void ide_exec_cmd(IDEBus *bus, uint32_t val); |
622 | |
623 | void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
624 | EndTransferFunc *end_transfer_func); |
625 | bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size, |
626 | EndTransferFunc *end_transfer_func); |
627 | void ide_transfer_stop(IDEState *s); |
628 | void ide_set_inactive(IDEState *s, bool more); |
629 | BlockAIOCB *ide_issue_trim( |
630 | int64_t offset, QEMUIOVector *qiov, |
631 | BlockCompletionFunc *cb, void *cb_opaque, void *opaque); |
632 | BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num, |
633 | QEMUIOVector *iov, int nb_sectors, |
634 | BlockCompletionFunc *cb, void *opaque); |
635 | void ide_cancel_dma_sync(IDEState *s); |
636 | |
637 | /* hw/ide/atapi.c */ |
638 | void ide_atapi_cmd(IDEState *s); |
639 | void ide_atapi_cmd_reply_end(IDEState *s); |
640 | |
641 | /* hw/ide/qdev.c */ |
642 | void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev, |
643 | int bus_id, int max_units); |
644 | IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive); |
645 | |
646 | int ide_handle_rw_error(IDEState *s, int error, int op); |
647 | |
648 | #endif /* HW_IDE_INTERNAL_H */ |
649 | |