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Add bamboo.dtb compiled from bamboo.dts
[qemu/qemu-JZ.git] / hw / ide.c
blob69ab773e6b5d4180c765845ca828a4b0b5c282d8
1 /*
2 * QEMU IDE disk and CD/DVD-ROM Emulator
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2006 Openedhand Ltd.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25 #include "hw.h"
26 #include "pc.h"
27 #include "pci.h"
28 #include "scsi-disk.h"
29 #include "pcmcia.h"
30 #include "block.h"
31 #include "qemu-timer.h"
32 #include "sysemu.h"
33 #include "ppc_mac.h"
34 #include "sh.h"
35
36 /* debug IDE devices */
37 //#define DEBUG_IDE
38 //#define DEBUG_IDE_ATAPI
39 //#define DEBUG_AIO
40 #define USE_DMA_CDROM
41
42 /* Bits of HD_STATUS */
43 #define ERR_STAT 0x01
44 #define INDEX_STAT 0x02
45 #define ECC_STAT 0x04 /* Corrected error */
46 #define DRQ_STAT 0x08
47 #define SEEK_STAT 0x10
48 #define SRV_STAT 0x10
49 #define WRERR_STAT 0x20
50 #define READY_STAT 0x40
51 #define BUSY_STAT 0x80
52
53 /* Bits for HD_ERROR */
54 #define MARK_ERR 0x01 /* Bad address mark */
55 #define TRK0_ERR 0x02 /* couldn't find track 0 */
56 #define ABRT_ERR 0x04 /* Command aborted */
57 #define MCR_ERR 0x08 /* media change request */
58 #define ID_ERR 0x10 /* ID field not found */
59 #define MC_ERR 0x20 /* media changed */
60 #define ECC_ERR 0x40 /* Uncorrectable ECC error */
61 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
62 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
63
64 /* Bits of HD_NSECTOR */
65 #define CD 0x01
66 #define IO 0x02
67 #define REL 0x04
68 #define TAG_MASK 0xf8
69
70 #define IDE_CMD_RESET 0x04
71 #define IDE_CMD_DISABLE_IRQ 0x02
72
73 /* ATA/ATAPI Commands pre T13 Spec */
74 #define WIN_NOP 0x00
75 /*
76 * 0x01->0x02 Reserved
77 */
78 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
79 /*
80 * 0x04->0x07 Reserved
81 */
82 #define WIN_SRST 0x08 /* ATAPI soft reset command */
83 #define WIN_DEVICE_RESET 0x08
84 /*
85 * 0x09->0x0F Reserved
86 */
87 #define WIN_RECAL 0x10
88 #define WIN_RESTORE WIN_RECAL
89 /*
90 * 0x10->0x1F Reserved
91 */
92 #define WIN_READ 0x20 /* 28-Bit */
93 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
94 #define WIN_READ_LONG 0x22 /* 28-Bit */
95 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
96 #define WIN_READ_EXT 0x24 /* 48-Bit */
97 #define WIN_READDMA_EXT 0x25 /* 48-Bit */
98 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
99 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
100 /*
101 * 0x28
102 */
103 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
104 /*
105 * 0x2A->0x2F Reserved
106 */
107 #define WIN_WRITE 0x30 /* 28-Bit */
108 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
109 #define WIN_WRITE_LONG 0x32 /* 28-Bit */
110 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
111 #define WIN_WRITE_EXT 0x34 /* 48-Bit */
112 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
113 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
114 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
115 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
116 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
117 /*
118 * 0x3A->0x3B Reserved
119 */
120 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
121 /*
122 * 0x3D->0x3F Reserved
123 */
124 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
125 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
126 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
127 /*
128 * 0x43->0x4F Reserved
129 */
130 #define WIN_FORMAT 0x50
131 /*
132 * 0x51->0x5F Reserved
133 */
134 #define WIN_INIT 0x60
135 /*
136 * 0x61->0x5F Reserved
137 */
138 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
139 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
140 #define WIN_DIAGNOSE 0x90
141 #define WIN_SPECIFY 0x91 /* set drive geometry translation */
142 #define WIN_DOWNLOAD_MICROCODE 0x92
143 #define WIN_STANDBYNOW2 0x94
144 #define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
145 #define WIN_STANDBY2 0x96
146 #define WIN_SETIDLE2 0x97
147 #define WIN_CHECKPOWERMODE2 0x98
148 #define WIN_SLEEPNOW2 0x99
149 /*
150 * 0x9A VENDOR
151 */
152 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
153 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
154 #define WIN_QUEUED_SERVICE 0xA2
155 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
156 #define CFA_ACCESS_METADATA_STORAGE 0xB8
157 #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
158 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
159 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
160 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
161 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
162 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
163 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
164 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
165 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
166 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
167 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
168 #define WIN_GETMEDIASTATUS 0xDA
169 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
170 #define WIN_POSTBOOT 0xDC
171 #define WIN_PREBOOT 0xDD
172 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
173 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
174 #define WIN_STANDBYNOW1 0xE0
175 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
176 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
177 #define WIN_SETIDLE1 0xE3
178 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
179 #define WIN_CHECKPOWERMODE1 0xE5
180 #define WIN_SLEEPNOW1 0xE6
181 #define WIN_FLUSH_CACHE 0xE7
182 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
183 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
184 /* SET_FEATURES 0x22 or 0xDD */
185 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
186 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
187 #define WIN_MEDIAEJECT 0xED
188 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
189 #define WIN_SETFEATURES 0xEF /* set special drive features */
190 #define EXABYTE_ENABLE_NEST 0xF0
191 #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
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 */
198 #define WIN_SECURITY_DISABLE 0xF6
199 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
200 #define WIN_SET_MAX 0xF9
201 #define DISABLE_SEAGATE 0xFB
202
203 /* set to 1 set disable mult support */
204 #define MAX_MULT_SECTORS 16
205
206 #define IDE_DMA_BUF_SECTORS 256
207
208 #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
209 #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
210 #endif
211
212 /* ATAPI defines */
213
214 #define ATAPI_PACKET_SIZE 12
215
216 /* The generic packet command opcodes for CD/DVD Logical Units,
217 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
218 #define GPCMD_BLANK 0xa1
219 #define GPCMD_CLOSE_TRACK 0x5b
220 #define GPCMD_FLUSH_CACHE 0x35
221 #define GPCMD_FORMAT_UNIT 0x04
222 #define GPCMD_GET_CONFIGURATION 0x46
223 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
224 #define GPCMD_GET_PERFORMANCE 0xac
225 #define GPCMD_INQUIRY 0x12
226 #define GPCMD_LOAD_UNLOAD 0xa6
227 #define GPCMD_MECHANISM_STATUS 0xbd
228 #define GPCMD_MODE_SELECT_10 0x55
229 #define GPCMD_MODE_SENSE_10 0x5a
230 #define GPCMD_PAUSE_RESUME 0x4b
231 #define GPCMD_PLAY_AUDIO_10 0x45
232 #define GPCMD_PLAY_AUDIO_MSF 0x47
233 #define GPCMD_PLAY_AUDIO_TI 0x48
234 #define GPCMD_PLAY_CD 0xbc
235 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
236 #define GPCMD_READ_10 0x28
237 #define GPCMD_READ_12 0xa8
238 #define GPCMD_READ_CDVD_CAPACITY 0x25
239 #define GPCMD_READ_CD 0xbe
240 #define GPCMD_READ_CD_MSF 0xb9
241 #define GPCMD_READ_DISC_INFO 0x51
242 #define GPCMD_READ_DVD_STRUCTURE 0xad
243 #define GPCMD_READ_FORMAT_CAPACITIES 0x23
244 #define GPCMD_READ_HEADER 0x44
245 #define GPCMD_READ_TRACK_RZONE_INFO 0x52
246 #define GPCMD_READ_SUBCHANNEL 0x42
247 #define GPCMD_READ_TOC_PMA_ATIP 0x43
248 #define GPCMD_REPAIR_RZONE_TRACK 0x58
249 #define GPCMD_REPORT_KEY 0xa4
250 #define GPCMD_REQUEST_SENSE 0x03
251 #define GPCMD_RESERVE_RZONE_TRACK 0x53
252 #define GPCMD_SCAN 0xba
253 #define GPCMD_SEEK 0x2b
254 #define GPCMD_SEND_DVD_STRUCTURE 0xad
255 #define GPCMD_SEND_EVENT 0xa2
256 #define GPCMD_SEND_KEY 0xa3
257 #define GPCMD_SEND_OPC 0x54
258 #define GPCMD_SET_READ_AHEAD 0xa7
259 #define GPCMD_SET_STREAMING 0xb6
260 #define GPCMD_START_STOP_UNIT 0x1b
261 #define GPCMD_STOP_PLAY_SCAN 0x4e
262 #define GPCMD_TEST_UNIT_READY 0x00
263 #define GPCMD_VERIFY_10 0x2f
264 #define GPCMD_WRITE_10 0x2a
265 #define GPCMD_WRITE_AND_VERIFY_10 0x2e
266 /* This is listed as optional in ATAPI 2.6, but is (curiously)
267 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
268 * Table 377 as an MMC command for SCSi devices though... Most ATAPI
269 * drives support it. */
270 #define GPCMD_SET_SPEED 0xbb
271 /* This seems to be a SCSI specific CD-ROM opcode
272 * to play data at track/index */
273 #define GPCMD_PLAYAUDIO_TI 0x48
274 /*
275 * From MS Media Status Notification Support Specification. For
276 * older drives only.
277 */
278 #define GPCMD_GET_MEDIA_STATUS 0xda
279 #define GPCMD_MODE_SENSE_6 0x1a
280
281 /* Mode page codes for mode sense/set */
282 #define GPMODE_R_W_ERROR_PAGE 0x01
283 #define GPMODE_WRITE_PARMS_PAGE 0x05
284 #define GPMODE_AUDIO_CTL_PAGE 0x0e
285 #define GPMODE_POWER_PAGE 0x1a
286 #define GPMODE_FAULT_FAIL_PAGE 0x1c
287 #define GPMODE_TO_PROTECT_PAGE 0x1d
288 #define GPMODE_CAPABILITIES_PAGE 0x2a
289 #define GPMODE_ALL_PAGES 0x3f
290 /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
291 * of MODE_SENSE_POWER_PAGE */
292 #define GPMODE_CDROM_PAGE 0x0d
293
294 /*
295 * Based on values from <linux/cdrom.h> but extending CD_MINS
296 * to the maximum common size allowed by the Orange's Book ATIP
297 *
298 * 90 and 99 min CDs are also available but using them as the
299 * upper limit reduces the effectiveness of the heuristic to
300 * detect DVDs burned to less than 25% of their maximum capacity
301 */
302
303 /* Some generally useful CD-ROM information */
304 #define CD_MINS 80 /* max. minutes per CD */
305 #define CD_SECS 60 /* seconds per minute */
306 #define CD_FRAMES 75 /* frames per second */
307 #define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
308 #define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
309 #define CD_MAX_SECTORS (CD_MAX_BYTES / 512)
310
311 /*
312 * The MMC values are not IDE specific and might need to be moved
313 * to a common header if they are also needed for the SCSI emulation
314 */
315
316 /* Profile list from MMC-6 revision 1 table 91 */
317 #define MMC_PROFILE_NONE 0x0000
318 #define MMC_PROFILE_CD_ROM 0x0008
319 #define MMC_PROFILE_CD_R 0x0009
320 #define MMC_PROFILE_CD_RW 0x000A
321 #define MMC_PROFILE_DVD_ROM 0x0010
322 #define MMC_PROFILE_DVD_R_SR 0x0011
323 #define MMC_PROFILE_DVD_RAM 0x0012
324 #define MMC_PROFILE_DVD_RW_RO 0x0013
325 #define MMC_PROFILE_DVD_RW_SR 0x0014
326 #define MMC_PROFILE_DVD_R_DL_SR 0x0015
327 #define MMC_PROFILE_DVD_R_DL_JR 0x0016
328 #define MMC_PROFILE_DVD_RW_DL 0x0017
329 #define MMC_PROFILE_DVD_DDR 0x0018
330 #define MMC_PROFILE_DVD_PLUS_RW 0x001A
331 #define MMC_PROFILE_DVD_PLUS_R 0x001B
332 #define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A
333 #define MMC_PROFILE_DVD_PLUS_R_DL 0x002B
334 #define MMC_PROFILE_BD_ROM 0x0040
335 #define MMC_PROFILE_BD_R_SRM 0x0041
336 #define MMC_PROFILE_BD_R_RRM 0x0042
337 #define MMC_PROFILE_BD_RE 0x0043
338 #define MMC_PROFILE_HDDVD_ROM 0x0050
339 #define MMC_PROFILE_HDDVD_R 0x0051
340 #define MMC_PROFILE_HDDVD_RAM 0x0052
341 #define MMC_PROFILE_HDDVD_RW 0x0053
342 #define MMC_PROFILE_HDDVD_R_DL 0x0058
343 #define MMC_PROFILE_HDDVD_RW_DL 0x005A
344 #define MMC_PROFILE_INVALID 0xFFFF
345
346 #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
347 #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
348 #define ATAPI_INT_REASON_REL 0x04
349 #define ATAPI_INT_REASON_TAG 0xf8
350
351 /* same constants as bochs */
352 #define ASC_ILLEGAL_OPCODE 0x20
353 #define ASC_LOGICAL_BLOCK_OOR 0x21
354 #define ASC_INV_FIELD_IN_CMD_PACKET 0x24
355 #define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
356 #define ASC_INCOMPATIBLE_FORMAT 0x30
357 #define ASC_MEDIUM_NOT_PRESENT 0x3a
358 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
359
360 #define CFA_NO_ERROR 0x00
361 #define CFA_MISC_ERROR 0x09
362 #define CFA_INVALID_COMMAND 0x20
363 #define CFA_INVALID_ADDRESS 0x21
364 #define CFA_ADDRESS_OVERFLOW 0x2f
365
366 #define SENSE_NONE 0
367 #define SENSE_NOT_READY 2
368 #define SENSE_ILLEGAL_REQUEST 5
369 #define SENSE_UNIT_ATTENTION 6
370
371 struct IDEState;
372
373 typedef void EndTransferFunc(struct IDEState *);
374
375 /* NOTE: IDEState represents in fact one drive */
376 typedef struct IDEState {
377 /* ide config */
378 int is_cdrom;
379 int is_cf;
380 int cylinders, heads, sectors;
381 int64_t nb_sectors;
382 int mult_sectors;
383 int identify_set;
384 uint16_t identify_data[256];
385 qemu_irq irq;
386 PCIDevice *pci_dev;
387 struct BMDMAState *bmdma;
388 int drive_serial;
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 /* 0x3f6 command, only meaningful for drive 0 */
407 uint8_t cmd;
408 /* set for lba48 access */
409 uint8_t lba48;
410 /* depends on bit 4 in select, only meaningful for drive 0 */
411 struct IDEState *cur_drive;
412 BlockDriverState *bs;
413 /* ATAPI specific */
414 uint8_t sense_key;
415 uint8_t asc;
416 int packet_transfer_size;
417 int elementary_transfer_size;
418 int io_buffer_index;
419 int lba;
420 int cd_sector_size;
421 int atapi_dma; /* true if dma is requested for the packet cmd */
422 /* ATA DMA state */
423 int io_buffer_size;
424 /* PIO transfer handling */
425 int req_nb_sectors; /* number of sectors per interrupt */
426 EndTransferFunc *end_transfer_func;
427 uint8_t *data_ptr;
428 uint8_t *data_end;
429 uint8_t *io_buffer;
430 QEMUTimer *sector_write_timer; /* only used for win2k install hack */
431 uint32_t irq_count; /* counts IRQs when using win2k install hack */
432 /* CF-ATA extended error */
433 uint8_t ext_error;
434 /* CF-ATA metadata storage */
435 uint32_t mdata_size;
436 uint8_t *mdata_storage;
437 int media_changed;
438 } IDEState;
439
440 /* XXX: DVDs that could fit on a CD will be reported as a CD */
441 static inline int media_present(IDEState *s)
442 {
443 return (s->nb_sectors > 0);
444 }
445
446 static inline int media_is_dvd(IDEState *s)
447 {
448 return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS);
449 }
450
451 static inline int media_is_cd(IDEState *s)
452 {
453 return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS);
454 }
455
456 #define BM_STATUS_DMAING 0x01
457 #define BM_STATUS_ERROR 0x02
458 #define BM_STATUS_INT 0x04
459
460 #define BM_CMD_START 0x01
461 #define BM_CMD_READ 0x08
462
463 #define IDE_TYPE_PIIX3 0
464 #define IDE_TYPE_CMD646 1
465 #define IDE_TYPE_PIIX4 2
466
467 /* CMD646 specific */
468 #define MRDMODE 0x71
469 #define MRDMODE_INTR_CH0 0x04
470 #define MRDMODE_INTR_CH1 0x08
471 #define MRDMODE_BLK_CH0 0x10
472 #define MRDMODE_BLK_CH1 0x20
473 #define UDIDETCR0 0x73
474 #define UDIDETCR1 0x7B
475
476 typedef struct BMDMAState {
477 uint8_t cmd;
478 uint8_t status;
479 uint32_t addr;
480
481 struct PCIIDEState *pci_dev;
482 /* current transfer state */
483 uint32_t cur_addr;
484 uint32_t cur_prd_last;
485 uint32_t cur_prd_addr;
486 uint32_t cur_prd_len;
487 IDEState *ide_if;
488 BlockDriverCompletionFunc *dma_cb;
489 BlockDriverAIOCB *aiocb;
490 } BMDMAState;
491
492 typedef struct PCIIDEState {
493 PCIDevice dev;
494 IDEState ide_if[4];
495 BMDMAState bmdma[2];
496 int type; /* see IDE_TYPE_xxx */
497 } PCIIDEState;
498
499 static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb);
500 static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret);
501
502 static void padstr(char *str, const char *src, int len)
503 {
504 int i, v;
505 for(i = 0; i < len; i++) {
506 if (*src)
507 v = *src++;
508 else
509 v = ' ';
510 str[i^1] = v;
511 }
512 }
513
514 static void padstr8(uint8_t *buf, int buf_size, const char *src)
515 {
516 int i;
517 for(i = 0; i < buf_size; i++) {
518 if (*src)
519 buf[i] = *src++;
520 else
521 buf[i] = ' ';
522 }
523 }
524
525 static void put_le16(uint16_t *p, unsigned int v)
526 {
527 *p = cpu_to_le16(v);
528 }
529
530 static void ide_identify(IDEState *s)
531 {
532 uint16_t *p;
533 unsigned int oldsize;
534 char buf[20];
535
536 if (s->identify_set) {
537 memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
538 return;
539 }
540
541 memset(s->io_buffer, 0, 512);
542 p = (uint16_t *)s->io_buffer;
543 put_le16(p + 0, 0x0040);
544 put_le16(p + 1, s->cylinders);
545 put_le16(p + 3, s->heads);
546 put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */
547 put_le16(p + 5, 512); /* XXX: retired, remove ? */
548 put_le16(p + 6, s->sectors);
549 snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
550 padstr((char *)(p + 10), buf, 20); /* serial number */
551 put_le16(p + 20, 3); /* XXX: retired, remove ? */
552 put_le16(p + 21, 512); /* cache size in sectors */
553 put_le16(p + 22, 4); /* ecc bytes */
554 padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */
555 padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */
556 #if MAX_MULT_SECTORS > 1
557 put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
558 #endif
559 put_le16(p + 48, 1); /* dword I/O */
560 put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */
561 put_le16(p + 51, 0x200); /* PIO transfer cycle */
562 put_le16(p + 52, 0x200); /* DMA transfer cycle */
563 put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */
564 put_le16(p + 54, s->cylinders);
565 put_le16(p + 55, s->heads);
566 put_le16(p + 56, s->sectors);
567 oldsize = s->cylinders * s->heads * s->sectors;
568 put_le16(p + 57, oldsize);
569 put_le16(p + 58, oldsize >> 16);
570 if (s->mult_sectors)
571 put_le16(p + 59, 0x100 | s->mult_sectors);
572 put_le16(p + 60, s->nb_sectors);
573 put_le16(p + 61, s->nb_sectors >> 16);
574 put_le16(p + 62, 0x07); /* single word dma0-2 supported */
575 put_le16(p + 63, 0x07); /* mdma0-2 supported */
576 put_le16(p + 65, 120);
577 put_le16(p + 66, 120);
578 put_le16(p + 67, 120);
579 put_le16(p + 68, 120);
580 put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
581 put_le16(p + 81, 0x16); /* conforms to ata5 */
582 put_le16(p + 82, (1 << 14));
583 /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
584 put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
585 put_le16(p + 84, (1 << 14));
586 put_le16(p + 85, (1 << 14));
587 /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
588 put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
589 put_le16(p + 87, (1 << 14));
590 put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
591 put_le16(p + 93, 1 | (1 << 14) | 0x2000);
592 put_le16(p + 100, s->nb_sectors);
593 put_le16(p + 101, s->nb_sectors >> 16);
594 put_le16(p + 102, s->nb_sectors >> 32);
595 put_le16(p + 103, s->nb_sectors >> 48);
596
597 memcpy(s->identify_data, p, sizeof(s->identify_data));
598 s->identify_set = 1;
599 }
600
601 static void ide_atapi_identify(IDEState *s)
602 {
603 uint16_t *p;
604 char buf[20];
605
606 if (s->identify_set) {
607 memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
608 return;
609 }
610
611 memset(s->io_buffer, 0, 512);
612 p = (uint16_t *)s->io_buffer;
613 /* Removable CDROM, 50us response, 12 byte packets */
614 put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
615 snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
616 padstr((char *)(p + 10), buf, 20); /* serial number */
617 put_le16(p + 20, 3); /* buffer type */
618 put_le16(p + 21, 512); /* cache size in sectors */
619 put_le16(p + 22, 4); /* ecc bytes */
620 padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */
621 padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */
622 put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */
623 #ifdef USE_DMA_CDROM
624 put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */
625 put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */
626 put_le16(p + 62, 7); /* single word dma0-2 supported */
627 put_le16(p + 63, 7); /* mdma0-2 supported */
628 put_le16(p + 64, 0x3f); /* PIO modes supported */
629 #else
630 put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */
631 put_le16(p + 53, 3); /* words 64-70, 54-58 valid */
632 put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */
633 put_le16(p + 64, 1); /* PIO modes */
634 #endif
635 put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */
636 put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */
637 put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */
638 put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */
639
640 put_le16(p + 71, 30); /* in ns */
641 put_le16(p + 72, 30); /* in ns */
642
643 put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */
644 #ifdef USE_DMA_CDROM
645 put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
646 #endif
647 memcpy(s->identify_data, p, sizeof(s->identify_data));
648 s->identify_set = 1;
649 }
650
651 static void ide_cfata_identify(IDEState *s)
652 {
653 uint16_t *p;
654 uint32_t cur_sec;
655 char buf[20];
656
657 p = (uint16_t *) s->identify_data;
658 if (s->identify_set)
659 goto fill_buffer;
660
661 memset(p, 0, sizeof(s->identify_data));
662
663 cur_sec = s->cylinders * s->heads * s->sectors;
664
665 put_le16(p + 0, 0x848a); /* CF Storage Card signature */
666 put_le16(p + 1, s->cylinders); /* Default cylinders */
667 put_le16(p + 3, s->heads); /* Default heads */
668 put_le16(p + 6, s->sectors); /* Default sectors per track */
669 put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */
670 put_le16(p + 8, s->nb_sectors); /* Sectors per card */
671 snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
672 padstr((char *)(p + 10), buf, 20); /* Serial number in ASCII */
673 put_le16(p + 22, 0x0004); /* ECC bytes */
674 padstr((char *) (p + 23), QEMU_VERSION, 8); /* Firmware Revision */
675 padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */
676 #if MAX_MULT_SECTORS > 1
677 put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
678 #else
679 put_le16(p + 47, 0x0000);
680 #endif
681 put_le16(p + 49, 0x0f00); /* Capabilities */
682 put_le16(p + 51, 0x0002); /* PIO cycle timing mode */
683 put_le16(p + 52, 0x0001); /* DMA cycle timing mode */
684 put_le16(p + 53, 0x0003); /* Translation params valid */
685 put_le16(p + 54, s->cylinders); /* Current cylinders */
686 put_le16(p + 55, s->heads); /* Current heads */
687 put_le16(p + 56, s->sectors); /* Current sectors */
688 put_le16(p + 57, cur_sec); /* Current capacity */
689 put_le16(p + 58, cur_sec >> 16); /* Current capacity */
690 if (s->mult_sectors) /* Multiple sector setting */
691 put_le16(p + 59, 0x100 | s->mult_sectors);
692 put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */
693 put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */
694 put_le16(p + 63, 0x0203); /* Multiword DMA capability */
695 put_le16(p + 64, 0x0001); /* Flow Control PIO support */
696 put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */
697 put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */
698 put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */
699 put_le16(p + 82, 0x400c); /* Command Set supported */
700 put_le16(p + 83, 0x7068); /* Command Set supported */
701 put_le16(p + 84, 0x4000); /* Features supported */
702 put_le16(p + 85, 0x000c); /* Command Set enabled */
703 put_le16(p + 86, 0x7044); /* Command Set enabled */
704 put_le16(p + 87, 0x4000); /* Features enabled */
705 put_le16(p + 91, 0x4060); /* Current APM level */
706 put_le16(p + 129, 0x0002); /* Current features option */
707 put_le16(p + 130, 0x0005); /* Reassigned sectors */
708 put_le16(p + 131, 0x0001); /* Initial power mode */
709 put_le16(p + 132, 0x0000); /* User signature */
710 put_le16(p + 160, 0x8100); /* Power requirement */
711 put_le16(p + 161, 0x8001); /* CF command set */
712
713 s->identify_set = 1;
714
715 fill_buffer:
716 memcpy(s->io_buffer, p, sizeof(s->identify_data));
717 }
718
719 static void ide_set_signature(IDEState *s)
720 {
721 s->select &= 0xf0; /* clear head */
722 /* put signature */
723 s->nsector = 1;
724 s->sector = 1;
725 if (s->is_cdrom) {
726 s->lcyl = 0x14;
727 s->hcyl = 0xeb;
728 } else if (s->bs) {
729 s->lcyl = 0;
730 s->hcyl = 0;
731 } else {
732 s->lcyl = 0xff;
733 s->hcyl = 0xff;
734 }
735 }
736
737 static inline void ide_abort_command(IDEState *s)
738 {
739 s->status = READY_STAT | ERR_STAT;
740 s->error = ABRT_ERR;
741 }
742
743 static inline void ide_dma_submit_check(IDEState *s,
744 BlockDriverCompletionFunc *dma_cb, BMDMAState *bm)
745 {
746 if (bm->aiocb)
747 return;
748 dma_cb(bm, -1);
749 }
750
751 static inline void ide_set_irq(IDEState *s)
752 {
753 BMDMAState *bm = s->bmdma;
754 if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
755 if (bm) {
756 bm->status |= BM_STATUS_INT;
757 }
758 qemu_irq_raise(s->irq);
759 }
760 }
761
762 /* prepare data transfer and tell what to do after */
763 static void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
764 EndTransferFunc *end_transfer_func)
765 {
766 s->end_transfer_func = end_transfer_func;
767 s->data_ptr = buf;
768 s->data_end = buf + size;
769 if (!(s->status & ERR_STAT))
770 s->status |= DRQ_STAT;
771 }
772
773 static void ide_transfer_stop(IDEState *s)
774 {
775 s->end_transfer_func = ide_transfer_stop;
776 s->data_ptr = s->io_buffer;
777 s->data_end = s->io_buffer;
778 s->status &= ~DRQ_STAT;
779 }
780
781 static int64_t ide_get_sector(IDEState *s)
782 {
783 int64_t sector_num;
784 if (s->select & 0x40) {
785 /* lba */
786 if (!s->lba48) {
787 sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
788 (s->lcyl << 8) | s->sector;
789 } else {
790 sector_num = ((int64_t)s->hob_hcyl << 40) |
791 ((int64_t) s->hob_lcyl << 32) |
792 ((int64_t) s->hob_sector << 24) |
793 ((int64_t) s->hcyl << 16) |
794 ((int64_t) s->lcyl << 8) | s->sector;
795 }
796 } else {
797 sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
798 (s->select & 0x0f) * s->sectors + (s->sector - 1);
799 }
800 return sector_num;
801 }
802
803 static void ide_set_sector(IDEState *s, int64_t sector_num)
804 {
805 unsigned int cyl, r;
806 if (s->select & 0x40) {
807 if (!s->lba48) {
808 s->select = (s->select & 0xf0) | (sector_num >> 24);
809 s->hcyl = (sector_num >> 16);
810 s->lcyl = (sector_num >> 8);
811 s->sector = (sector_num);
812 } else {
813 s->sector = sector_num;
814 s->lcyl = sector_num >> 8;
815 s->hcyl = sector_num >> 16;
816 s->hob_sector = sector_num >> 24;
817 s->hob_lcyl = sector_num >> 32;
818 s->hob_hcyl = sector_num >> 40;
819 }
820 } else {
821 cyl = sector_num / (s->heads * s->sectors);
822 r = sector_num % (s->heads * s->sectors);
823 s->hcyl = cyl >> 8;
824 s->lcyl = cyl;
825 s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f);
826 s->sector = (r % s->sectors) + 1;
827 }
828 }
829
830 static void ide_rw_error(IDEState *s) {
831 ide_abort_command(s);
832 ide_set_irq(s);
833 }
834
835 static void ide_sector_read(IDEState *s)
836 {
837 int64_t sector_num;
838 int ret, n;
839
840 s->status = READY_STAT | SEEK_STAT;
841 s->error = 0; /* not needed by IDE spec, but needed by Windows */
842 sector_num = ide_get_sector(s);
843 n = s->nsector;
844 if (n == 0) {
845 /* no more sector to read from disk */
846 ide_transfer_stop(s);
847 } else {
848 #if defined(DEBUG_IDE)
849 printf("read sector=%" PRId64 "\n", sector_num);
850 #endif
851 if (n > s->req_nb_sectors)
852 n = s->req_nb_sectors;
853 ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
854 if (ret != 0) {
855 ide_rw_error(s);
856 return;
857 }
858 ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
859 ide_set_irq(s);
860 ide_set_sector(s, sector_num + n);
861 s->nsector -= n;
862 }
863 }
864
865 static void ide_dma_error(IDEState *s)
866 {
867 ide_transfer_stop(s);
868 s->error = ABRT_ERR;
869 s->status = READY_STAT | ERR_STAT;
870 ide_set_irq(s);
871 }
872
873 /* return 0 if buffer completed */
874 static int dma_buf_rw(BMDMAState *bm, int is_write)
875 {
876 IDEState *s = bm->ide_if;
877 struct {
878 uint32_t addr;
879 uint32_t size;
880 } prd;
881 int l, len;
882
883 for(;;) {
884 l = s->io_buffer_size - s->io_buffer_index;
885 if (l <= 0)
886 break;
887 if (bm->cur_prd_len == 0) {
888 /* end of table (with a fail safe of one page) */
889 if (bm->cur_prd_last ||
890 (bm->cur_addr - bm->addr) >= 4096)
891 return 0;
892 cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
893 bm->cur_addr += 8;
894 prd.addr = le32_to_cpu(prd.addr);
895 prd.size = le32_to_cpu(prd.size);
896 len = prd.size & 0xfffe;
897 if (len == 0)
898 len = 0x10000;
899 bm->cur_prd_len = len;
900 bm->cur_prd_addr = prd.addr;
901 bm->cur_prd_last = (prd.size & 0x80000000);
902 }
903 if (l > bm->cur_prd_len)
904 l = bm->cur_prd_len;
905 if (l > 0) {
906 if (is_write) {
907 cpu_physical_memory_write(bm->cur_prd_addr,
908 s->io_buffer + s->io_buffer_index, l);
909 } else {
910 cpu_physical_memory_read(bm->cur_prd_addr,
911 s->io_buffer + s->io_buffer_index, l);
912 }
913 bm->cur_prd_addr += l;
914 bm->cur_prd_len -= l;
915 s->io_buffer_index += l;
916 }
917 }
918 return 1;
919 }
920
921 static void ide_read_dma_cb(void *opaque, int ret)
922 {
923 BMDMAState *bm = opaque;
924 IDEState *s = bm->ide_if;
925 int n;
926 int64_t sector_num;
927
928 if (ret < 0) {
929 ide_dma_error(s);
930 return;
931 }
932
933 n = s->io_buffer_size >> 9;
934 sector_num = ide_get_sector(s);
935 if (n > 0) {
936 sector_num += n;
937 ide_set_sector(s, sector_num);
938 s->nsector -= n;
939 if (dma_buf_rw(bm, 1) == 0)
940 goto eot;
941 }
942
943 /* end of transfer ? */
944 if (s->nsector == 0) {
945 s->status = READY_STAT | SEEK_STAT;
946 ide_set_irq(s);
947 eot:
948 bm->status &= ~BM_STATUS_DMAING;
949 bm->status |= BM_STATUS_INT;
950 bm->dma_cb = NULL;
951 bm->ide_if = NULL;
952 bm->aiocb = NULL;
953 return;
954 }
955
956 /* launch next transfer */
957 n = s->nsector;
958 if (n > IDE_DMA_BUF_SECTORS)
959 n = IDE_DMA_BUF_SECTORS;
960 s->io_buffer_index = 0;
961 s->io_buffer_size = n * 512;
962 #ifdef DEBUG_AIO
963 printf("aio_read: sector_num=%lld n=%d\n", sector_num, n);
964 #endif
965 bm->aiocb = bdrv_aio_read(s->bs, sector_num, s->io_buffer, n,
966 ide_read_dma_cb, bm);
967 ide_dma_submit_check(s, ide_read_dma_cb, bm);
968 }
969
970 static void ide_sector_read_dma(IDEState *s)
971 {
972 s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT;
973 s->io_buffer_index = 0;
974 s->io_buffer_size = 0;
975 ide_dma_start(s, ide_read_dma_cb);
976 }
977
978 static void ide_sector_write_timer_cb(void *opaque)
979 {
980 IDEState *s = opaque;
981 ide_set_irq(s);
982 }
983
984 static void ide_sector_write(IDEState *s)
985 {
986 int64_t sector_num;
987 int ret, n, n1;
988
989 s->status = READY_STAT | SEEK_STAT;
990 sector_num = ide_get_sector(s);
991 #if defined(DEBUG_IDE)
992 printf("write sector=%" PRId64 "\n", sector_num);
993 #endif
994 n = s->nsector;
995 if (n > s->req_nb_sectors)
996 n = s->req_nb_sectors;
997 ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
998 if (ret != 0) {
999 ide_rw_error(s);
1000 return;
1001 }
1002
1003 s->nsector -= n;
1004 if (s->nsector == 0) {
1005 /* no more sectors to write */
1006 ide_transfer_stop(s);
1007 } else {
1008 n1 = s->nsector;
1009 if (n1 > s->req_nb_sectors)
1010 n1 = s->req_nb_sectors;
1011 ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
1012 }
1013 ide_set_sector(s, sector_num + n);
1014
1015 #ifdef TARGET_I386
1016 if (win2k_install_hack && ((++s->irq_count % 16) == 0)) {
1017 /* It seems there is a bug in the Windows 2000 installer HDD
1018 IDE driver which fills the disk with empty logs when the
1019 IDE write IRQ comes too early. This hack tries to correct
1020 that at the expense of slower write performances. Use this
1021 option _only_ to install Windows 2000. You must disable it
1022 for normal use. */
1023 qemu_mod_timer(s->sector_write_timer,
1024 qemu_get_clock(vm_clock) + (ticks_per_sec / 1000));
1025 } else
1026 #endif
1027 {
1028 ide_set_irq(s);
1029 }
1030 }
1031
1032 static void ide_write_dma_cb(void *opaque, int ret)
1033 {
1034 BMDMAState *bm = opaque;
1035 IDEState *s = bm->ide_if;
1036 int n;
1037 int64_t sector_num;
1038
1039 if (ret < 0) {
1040 ide_dma_error(s);
1041 return;
1042 }
1043
1044 n = s->io_buffer_size >> 9;
1045 sector_num = ide_get_sector(s);
1046 if (n > 0) {
1047 sector_num += n;
1048 ide_set_sector(s, sector_num);
1049 s->nsector -= n;
1050 }
1051
1052 /* end of transfer ? */
1053 if (s->nsector == 0) {
1054 s->status = READY_STAT | SEEK_STAT;
1055 ide_set_irq(s);
1056 eot:
1057 bm->status &= ~BM_STATUS_DMAING;
1058 bm->status |= BM_STATUS_INT;
1059 bm->dma_cb = NULL;
1060 bm->ide_if = NULL;
1061 bm->aiocb = NULL;
1062 return;
1063 }
1064
1065 /* launch next transfer */
1066 n = s->nsector;
1067 if (n > IDE_DMA_BUF_SECTORS)
1068 n = IDE_DMA_BUF_SECTORS;
1069 s->io_buffer_index = 0;
1070 s->io_buffer_size = n * 512;
1071
1072 if (dma_buf_rw(bm, 0) == 0)
1073 goto eot;
1074 #ifdef DEBUG_AIO
1075 printf("aio_write: sector_num=%lld n=%d\n", sector_num, n);
1076 #endif
1077 bm->aiocb = bdrv_aio_write(s->bs, sector_num, s->io_buffer, n,
1078 ide_write_dma_cb, bm);
1079 ide_dma_submit_check(s, ide_write_dma_cb, bm);
1080 }
1081
1082 static void ide_sector_write_dma(IDEState *s)
1083 {
1084 s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT;
1085 s->io_buffer_index = 0;
1086 s->io_buffer_size = 0;
1087 ide_dma_start(s, ide_write_dma_cb);
1088 }
1089
1090 static void ide_atapi_cmd_ok(IDEState *s)
1091 {
1092 s->error = 0;
1093 s->status = READY_STAT | SEEK_STAT;
1094 s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1095 ide_set_irq(s);
1096 }
1097
1098 static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc)
1099 {
1100 #ifdef DEBUG_IDE_ATAPI
1101 printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc);
1102 #endif
1103 s->error = sense_key << 4;
1104 s->status = READY_STAT | ERR_STAT;
1105 s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1106 s->sense_key = sense_key;
1107 s->asc = asc;
1108 ide_set_irq(s);
1109 }
1110
1111 static void ide_atapi_cmd_check_status(IDEState *s)
1112 {
1113 #ifdef DEBUG_IDE_ATAPI
1114 printf("atapi_cmd_check_status\n");
1115 #endif
1116 s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4);
1117 s->status = ERR_STAT;
1118 s->nsector = 0;
1119 ide_set_irq(s);
1120 }
1121
1122 static inline void cpu_to_ube16(uint8_t *buf, int val)
1123 {
1124 buf[0] = val >> 8;
1125 buf[1] = val;
1126 }
1127
1128 static inline void cpu_to_ube32(uint8_t *buf, unsigned int val)
1129 {
1130 buf[0] = val >> 24;
1131 buf[1] = val >> 16;
1132 buf[2] = val >> 8;
1133 buf[3] = val;
1134 }
1135
1136 static inline int ube16_to_cpu(const uint8_t *buf)
1137 {
1138 return (buf[0] << 8) | buf[1];
1139 }
1140
1141 static inline int ube32_to_cpu(const uint8_t *buf)
1142 {
1143 return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
1144 }
1145
1146 static void lba_to_msf(uint8_t *buf, int lba)
1147 {
1148 lba += 150;
1149 buf[0] = (lba / 75) / 60;
1150 buf[1] = (lba / 75) % 60;
1151 buf[2] = lba % 75;
1152 }
1153
1154 static void cd_data_to_raw(uint8_t *buf, int lba)
1155 {
1156 /* sync bytes */
1157 buf[0] = 0x00;
1158 memset(buf + 1, 0xff, 10);
1159 buf[11] = 0x00;
1160 buf += 12;
1161 /* MSF */
1162 lba_to_msf(buf, lba);
1163 buf[3] = 0x01; /* mode 1 data */
1164 buf += 4;
1165 /* data */
1166 buf += 2048;
1167 /* XXX: ECC not computed */
1168 memset(buf, 0, 288);
1169 }
1170
1171 static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf,
1172 int sector_size)
1173 {
1174 int ret;
1175
1176 switch(sector_size) {
1177 case 2048:
1178 ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4);
1179 break;
1180 case 2352:
1181 ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4);
1182 if (ret < 0)
1183 return ret;
1184 cd_data_to_raw(buf, lba);
1185 break;
1186 default:
1187 ret = -EIO;
1188 break;
1189 }
1190 return ret;
1191 }
1192
1193 static void ide_atapi_io_error(IDEState *s, int ret)
1194 {
1195 /* XXX: handle more errors */
1196 if (ret == -ENOMEDIUM) {
1197 ide_atapi_cmd_error(s, SENSE_NOT_READY,
1198 ASC_MEDIUM_NOT_PRESENT);
1199 } else {
1200 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1201 ASC_LOGICAL_BLOCK_OOR);
1202 }
1203 }
1204
1205 /* The whole ATAPI transfer logic is handled in this function */
1206 static void ide_atapi_cmd_reply_end(IDEState *s)
1207 {
1208 int byte_count_limit, size, ret;
1209 #ifdef DEBUG_IDE_ATAPI
1210 printf("reply: tx_size=%d elem_tx_size=%d index=%d\n",
1211 s->packet_transfer_size,
1212 s->elementary_transfer_size,
1213 s->io_buffer_index);
1214 #endif
1215 if (s->packet_transfer_size <= 0) {
1216 /* end of transfer */
1217 ide_transfer_stop(s);
1218 s->status = READY_STAT | SEEK_STAT;
1219 s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1220 ide_set_irq(s);
1221 #ifdef DEBUG_IDE_ATAPI
1222 printf("status=0x%x\n", s->status);
1223 #endif
1224 } else {
1225 /* see if a new sector must be read */
1226 if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) {
1227 ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size);
1228 if (ret < 0) {
1229 ide_transfer_stop(s);
1230 ide_atapi_io_error(s, ret);
1231 return;
1232 }
1233 s->lba++;
1234 s->io_buffer_index = 0;
1235 }
1236 if (s->elementary_transfer_size > 0) {
1237 /* there are some data left to transmit in this elementary
1238 transfer */
1239 size = s->cd_sector_size - s->io_buffer_index;
1240 if (size > s->elementary_transfer_size)
1241 size = s->elementary_transfer_size;
1242 ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1243 size, ide_atapi_cmd_reply_end);
1244 s->packet_transfer_size -= size;
1245 s->elementary_transfer_size -= size;
1246 s->io_buffer_index += size;
1247 } else {
1248 /* a new transfer is needed */
1249 s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
1250 byte_count_limit = s->lcyl | (s->hcyl << 8);
1251 #ifdef DEBUG_IDE_ATAPI
1252 printf("byte_count_limit=%d\n", byte_count_limit);
1253 #endif
1254 if (byte_count_limit == 0xffff)
1255 byte_count_limit--;
1256 size = s->packet_transfer_size;
1257 if (size > byte_count_limit) {
1258 /* byte count limit must be even if this case */
1259 if (byte_count_limit & 1)
1260 byte_count_limit--;
1261 size = byte_count_limit;
1262 }
1263 s->lcyl = size;
1264 s->hcyl = size >> 8;
1265 s->elementary_transfer_size = size;
1266 /* we cannot transmit more than one sector at a time */
1267 if (s->lba != -1) {
1268 if (size > (s->cd_sector_size - s->io_buffer_index))
1269 size = (s->cd_sector_size - s->io_buffer_index);
1270 }
1271 ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1272 size, ide_atapi_cmd_reply_end);
1273 s->packet_transfer_size -= size;
1274 s->elementary_transfer_size -= size;
1275 s->io_buffer_index += size;
1276 ide_set_irq(s);
1277 #ifdef DEBUG_IDE_ATAPI
1278 printf("status=0x%x\n", s->status);
1279 #endif
1280 }
1281 }
1282 }
1283
1284 /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
1285 static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size)
1286 {
1287 if (size > max_size)
1288 size = max_size;
1289 s->lba = -1; /* no sector read */
1290 s->packet_transfer_size = size;
1291 s->io_buffer_size = size; /* dma: send the reply data as one chunk */
1292 s->elementary_transfer_size = 0;
1293 s->io_buffer_index = 0;
1294
1295 if (s->atapi_dma) {
1296 s->status = READY_STAT | SEEK_STAT | DRQ_STAT;
1297 ide_dma_start(s, ide_atapi_cmd_read_dma_cb);
1298 } else {
1299 s->status = READY_STAT | SEEK_STAT;
1300 ide_atapi_cmd_reply_end(s);
1301 }
1302 }
1303
1304 /* start a CD-CDROM read command */
1305 static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors,
1306 int sector_size)
1307 {
1308 s->lba = lba;
1309 s->packet_transfer_size = nb_sectors * sector_size;
1310 s->elementary_transfer_size = 0;
1311 s->io_buffer_index = sector_size;
1312 s->cd_sector_size = sector_size;
1313
1314 s->status = READY_STAT | SEEK_STAT;
1315 ide_atapi_cmd_reply_end(s);
1316 }
1317
1318 /* ATAPI DMA support */
1319
1320 /* XXX: handle read errors */
1321 static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret)
1322 {
1323 BMDMAState *bm = opaque;
1324 IDEState *s = bm->ide_if;
1325 int data_offset, n;
1326
1327 if (ret < 0) {
1328 ide_atapi_io_error(s, ret);
1329 goto eot;
1330 }
1331
1332 if (s->io_buffer_size > 0) {
1333 /*
1334 * For a cdrom read sector command (s->lba != -1),
1335 * adjust the lba for the next s->io_buffer_size chunk
1336 * and dma the current chunk.
1337 * For a command != read (s->lba == -1), just transfer
1338 * the reply data.
1339 */
1340 if (s->lba != -1) {
1341 if (s->cd_sector_size == 2352) {
1342 n = 1;
1343 cd_data_to_raw(s->io_buffer, s->lba);
1344 } else {
1345 n = s->io_buffer_size >> 11;
1346 }
1347 s->lba += n;
1348 }
1349 s->packet_transfer_size -= s->io_buffer_size;
1350 if (dma_buf_rw(bm, 1) == 0)
1351 goto eot;
1352 }
1353
1354 if (s->packet_transfer_size <= 0) {
1355 s->status = READY_STAT | SEEK_STAT;
1356 s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1357 ide_set_irq(s);
1358 eot:
1359 bm->status &= ~BM_STATUS_DMAING;
1360 bm->status |= BM_STATUS_INT;
1361 bm->dma_cb = NULL;
1362 bm->ide_if = NULL;
1363 bm->aiocb = NULL;
1364 return;
1365 }
1366
1367 s->io_buffer_index = 0;
1368 if (s->cd_sector_size == 2352) {
1369 n = 1;
1370 s->io_buffer_size = s->cd_sector_size;
1371 data_offset = 16;
1372 } else {
1373 n = s->packet_transfer_size >> 11;
1374 if (n > (IDE_DMA_BUF_SECTORS / 4))
1375 n = (IDE_DMA_BUF_SECTORS / 4);
1376 s->io_buffer_size = n * 2048;
1377 data_offset = 0;
1378 }
1379 #ifdef DEBUG_AIO
1380 printf("aio_read_cd: lba=%u n=%d\n", s->lba, n);
1381 #endif
1382 bm->aiocb = bdrv_aio_read(s->bs, (int64_t)s->lba << 2,
1383 s->io_buffer + data_offset, n * 4,
1384 ide_atapi_cmd_read_dma_cb, bm);
1385 if (!bm->aiocb) {
1386 /* Note: media not present is the most likely case */
1387 ide_atapi_cmd_error(s, SENSE_NOT_READY,
1388 ASC_MEDIUM_NOT_PRESENT);
1389 goto eot;
1390 }
1391 }
1392
1393 /* start a CD-CDROM read command with DMA */
1394 /* XXX: test if DMA is available */
1395 static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors,
1396 int sector_size)
1397 {
1398 s->lba = lba;
1399 s->packet_transfer_size = nb_sectors * sector_size;
1400 s->io_buffer_index = 0;
1401 s->io_buffer_size = 0;
1402 s->cd_sector_size = sector_size;
1403
1404 /* XXX: check if BUSY_STAT should be set */
1405 s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT;
1406 ide_dma_start(s, ide_atapi_cmd_read_dma_cb);
1407 }
1408
1409 static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors,
1410 int sector_size)
1411 {
1412 #ifdef DEBUG_IDE_ATAPI
1413 printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio",
1414 lba, nb_sectors);
1415 #endif
1416 if (s->atapi_dma) {
1417 ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size);
1418 } else {
1419 ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size);
1420 }
1421 }
1422
1423 static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index,
1424 uint16_t profile)
1425 {
1426 uint8_t *buf_profile = buf + 12; /* start of profiles */
1427
1428 buf_profile += ((*index) * 4); /* start of indexed profile */
1429 cpu_to_ube16 (buf_profile, profile);
1430 buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7]));
1431
1432 /* each profile adds 4 bytes to the response */
1433 (*index)++;
1434 buf[11] += 4; /* Additional Length */
1435
1436 return 4;
1437 }
1438
1439 static int ide_dvd_read_structure(IDEState *s, int format,
1440 const uint8_t *packet, uint8_t *buf)
1441 {
1442 switch (format) {
1443 case 0x0: /* Physical format information */
1444 {
1445 int layer = packet[6];
1446 uint64_t total_sectors;
1447
1448 if (layer != 0)
1449 return -ASC_INV_FIELD_IN_CMD_PACKET;
1450
1451 bdrv_get_geometry(s->bs, &total_sectors);
1452 total_sectors >>= 2;
1453 if (total_sectors == 0)
1454 return -ASC_MEDIUM_NOT_PRESENT;
1455
1456 buf[4] = 1; /* DVD-ROM, part version 1 */
1457 buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */
1458 buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */
1459 buf[7] = 0; /* default densities */
1460
1461 /* FIXME: 0x30000 per spec? */
1462 cpu_to_ube32(buf + 8, 0); /* start sector */
1463 cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */
1464 cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */
1465
1466 /* Size of buffer, not including 2 byte size field */
1467 cpu_to_be16wu((uint16_t *)buf, 2048 + 2);
1468
1469 /* 2k data + 4 byte header */
1470 return (2048 + 4);
1471 }
1472
1473 case 0x01: /* DVD copyright information */
1474 buf[4] = 0; /* no copyright data */
1475 buf[5] = 0; /* no region restrictions */
1476
1477 /* Size of buffer, not including 2 byte size field */
1478 cpu_to_be16wu((uint16_t *)buf, 4 + 2);
1479
1480 /* 4 byte header + 4 byte data */
1481 return (4 + 4);
1482
1483 case 0x03: /* BCA information - invalid field for no BCA info */
1484 return -ASC_INV_FIELD_IN_CMD_PACKET;
1485
1486 case 0x04: /* DVD disc manufacturing information */
1487 /* Size of buffer, not including 2 byte size field */
1488 cpu_to_be16wu((uint16_t *)buf, 2048 + 2);
1489
1490 /* 2k data + 4 byte header */
1491 return (2048 + 4);
1492
1493 case 0xff:
1494 /*
1495 * This lists all the command capabilities above. Add new ones
1496 * in order and update the length and buffer return values.
1497 */
1498
1499 buf[4] = 0x00; /* Physical format */
1500 buf[5] = 0x40; /* Not writable, is readable */
1501 cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4);
1502
1503 buf[8] = 0x01; /* Copyright info */
1504 buf[9] = 0x40; /* Not writable, is readable */
1505 cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4);
1506
1507 buf[12] = 0x03; /* BCA info */
1508 buf[13] = 0x40; /* Not writable, is readable */
1509 cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4);
1510
1511 buf[16] = 0x04; /* Manufacturing info */
1512 buf[17] = 0x40; /* Not writable, is readable */
1513 cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4);
1514
1515 /* Size of buffer, not including 2 byte size field */
1516 cpu_to_be16wu((uint16_t *)buf, 16 + 2);
1517
1518 /* data written + 4 byte header */
1519 return (16 + 4);
1520
1521 default: /* TODO: formats beyond DVD-ROM requires */
1522 return -ASC_INV_FIELD_IN_CMD_PACKET;
1523 }
1524 }
1525
1526 static void ide_atapi_cmd(IDEState *s)
1527 {
1528 const uint8_t *packet;
1529 uint8_t *buf;
1530 int max_len;
1531
1532 packet = s->io_buffer;
1533 buf = s->io_buffer;
1534 #ifdef DEBUG_IDE_ATAPI
1535 {
1536 int i;
1537 printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8));
1538 for(i = 0; i < ATAPI_PACKET_SIZE; i++) {
1539 printf(" %02x", packet[i]);
1540 }
1541 printf("\n");
1542 }
1543 #endif
1544 /* If there's a UNIT_ATTENTION condition pending, only
1545 REQUEST_SENSE and INQUIRY commands are allowed to complete. */
1546 if (s->sense_key == SENSE_UNIT_ATTENTION &&
1547 s->io_buffer[0] != GPCMD_REQUEST_SENSE &&
1548 s->io_buffer[0] != GPCMD_INQUIRY) {
1549 ide_atapi_cmd_check_status(s);
1550 return;
1551 }
1552 switch(s->io_buffer[0]) {
1553 case GPCMD_TEST_UNIT_READY:
1554 if (bdrv_is_inserted(s->bs)) {
1555 ide_atapi_cmd_ok(s);
1556 } else {
1557 ide_atapi_cmd_error(s, SENSE_NOT_READY,
1558 ASC_MEDIUM_NOT_PRESENT);
1559 }
1560 break;
1561 case GPCMD_MODE_SENSE_6:
1562 case GPCMD_MODE_SENSE_10:
1563 {
1564 int action, code;
1565 if (packet[0] == GPCMD_MODE_SENSE_10)
1566 max_len = ube16_to_cpu(packet + 7);
1567 else
1568 max_len = packet[4];
1569 action = packet[2] >> 6;
1570 code = packet[2] & 0x3f;
1571 switch(action) {
1572 case 0: /* current values */
1573 switch(code) {
1574 case 0x01: /* error recovery */
1575 cpu_to_ube16(&buf[0], 16 + 6);
1576 buf[2] = 0x70;
1577 buf[3] = 0;
1578 buf[4] = 0;
1579 buf[5] = 0;
1580 buf[6] = 0;
1581 buf[7] = 0;
1582
1583 buf[8] = 0x01;
1584 buf[9] = 0x06;
1585 buf[10] = 0x00;
1586 buf[11] = 0x05;
1587 buf[12] = 0x00;
1588 buf[13] = 0x00;
1589 buf[14] = 0x00;
1590 buf[15] = 0x00;
1591 ide_atapi_cmd_reply(s, 16, max_len);
1592 break;
1593 case 0x2a:
1594 cpu_to_ube16(&buf[0], 28 + 6);
1595 buf[2] = 0x70;
1596 buf[3] = 0;
1597 buf[4] = 0;
1598 buf[5] = 0;
1599 buf[6] = 0;
1600 buf[7] = 0;
1601
1602 buf[8] = 0x2a;
1603 buf[9] = 0x12;
1604 buf[10] = 0x00;
1605 buf[11] = 0x00;
1606
1607 /* Claim PLAY_AUDIO capability (0x01) since some Linux
1608 code checks for this to automount media. */
1609 buf[12] = 0x71;
1610 buf[13] = 3 << 5;
1611 buf[14] = (1 << 0) | (1 << 3) | (1 << 5);
1612 if (bdrv_is_locked(s->bs))
1613 buf[6] |= 1 << 1;
1614 buf[15] = 0x00;
1615 cpu_to_ube16(&buf[16], 706);
1616 buf[18] = 0;
1617 buf[19] = 2;
1618 cpu_to_ube16(&buf[20], 512);
1619 cpu_to_ube16(&buf[22], 706);
1620 buf[24] = 0;
1621 buf[25] = 0;
1622 buf[26] = 0;
1623 buf[27] = 0;
1624 ide_atapi_cmd_reply(s, 28, max_len);
1625 break;
1626 default:
1627 goto error_cmd;
1628 }
1629 break;
1630 case 1: /* changeable values */
1631 goto error_cmd;
1632 case 2: /* default values */
1633 goto error_cmd;
1634 default:
1635 case 3: /* saved values */
1636 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1637 ASC_SAVING_PARAMETERS_NOT_SUPPORTED);
1638 break;
1639 }
1640 }
1641 break;
1642 case GPCMD_REQUEST_SENSE:
1643 max_len = packet[4];
1644 memset(buf, 0, 18);
1645 buf[0] = 0x70 | (1 << 7);
1646 buf[2] = s->sense_key;
1647 buf[7] = 10;
1648 buf[12] = s->asc;
1649 if (s->sense_key == SENSE_UNIT_ATTENTION)
1650 s->sense_key = SENSE_NONE;
1651 ide_atapi_cmd_reply(s, 18, max_len);
1652 break;
1653 case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
1654 if (bdrv_is_inserted(s->bs)) {
1655 bdrv_set_locked(s->bs, packet[4] & 1);
1656 ide_atapi_cmd_ok(s);
1657 } else {
1658 ide_atapi_cmd_error(s, SENSE_NOT_READY,
1659 ASC_MEDIUM_NOT_PRESENT);
1660 }
1661 break;
1662 case GPCMD_READ_10:
1663 case GPCMD_READ_12:
1664 {
1665 int nb_sectors, lba;
1666
1667 if (packet[0] == GPCMD_READ_10)
1668 nb_sectors = ube16_to_cpu(packet + 7);
1669 else
1670 nb_sectors = ube32_to_cpu(packet + 6);
1671 lba = ube32_to_cpu(packet + 2);
1672 if (nb_sectors == 0) {
1673 ide_atapi_cmd_ok(s);
1674 break;
1675 }
1676 ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1677 }
1678 break;
1679 case GPCMD_READ_CD:
1680 {
1681 int nb_sectors, lba, transfer_request;
1682
1683 nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8];
1684 lba = ube32_to_cpu(packet + 2);
1685 if (nb_sectors == 0) {
1686 ide_atapi_cmd_ok(s);
1687 break;
1688 }
1689 transfer_request = packet[9];
1690 switch(transfer_request & 0xf8) {
1691 case 0x00:
1692 /* nothing */
1693 ide_atapi_cmd_ok(s);
1694 break;
1695 case 0x10:
1696 /* normal read */
1697 ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1698 break;
1699 case 0xf8:
1700 /* read all data */
1701 ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
1702 break;
1703 default:
1704 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1705 ASC_INV_FIELD_IN_CMD_PACKET);
1706 break;
1707 }
1708 }
1709 break;
1710 case GPCMD_SEEK:
1711 {
1712 unsigned int lba;
1713 uint64_t total_sectors;
1714
1715 bdrv_get_geometry(s->bs, &total_sectors);
1716 total_sectors >>= 2;
1717 if (total_sectors == 0) {
1718 ide_atapi_cmd_error(s, SENSE_NOT_READY,
1719 ASC_MEDIUM_NOT_PRESENT);
1720 break;
1721 }
1722 lba = ube32_to_cpu(packet + 2);
1723 if (lba >= total_sectors) {
1724 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1725 ASC_LOGICAL_BLOCK_OOR);
1726 break;
1727 }
1728 ide_atapi_cmd_ok(s);
1729 }
1730 break;
1731 case GPCMD_START_STOP_UNIT:
1732 {
1733 int start, eject;
1734 start = packet[4] & 1;
1735 eject = (packet[4] >> 1) & 1;
1736
1737 if (eject && !start) {
1738 /* eject the disk */
1739 bdrv_eject(s->bs, 1);
1740 } else if (eject && start) {
1741 /* close the tray */
1742 bdrv_eject(s->bs, 0);
1743 }
1744 ide_atapi_cmd_ok(s);
1745 }
1746 break;
1747 case GPCMD_MECHANISM_STATUS:
1748 {
1749 max_len = ube16_to_cpu(packet + 8);
1750 cpu_to_ube16(buf, 0);
1751 /* no current LBA */
1752 buf[2] = 0;
1753 buf[3] = 0;
1754 buf[4] = 0;
1755 buf[5] = 1;
1756 cpu_to_ube16(buf + 6, 0);
1757 ide_atapi_cmd_reply(s, 8, max_len);
1758 }
1759 break;
1760 case GPCMD_READ_TOC_PMA_ATIP:
1761 {
1762 int format, msf, start_track, len;
1763 uint64_t total_sectors;
1764
1765 bdrv_get_geometry(s->bs, &total_sectors);
1766 total_sectors >>= 2;
1767 if (total_sectors == 0) {
1768 ide_atapi_cmd_error(s, SENSE_NOT_READY,
1769 ASC_MEDIUM_NOT_PRESENT);
1770 break;
1771 }
1772 max_len = ube16_to_cpu(packet + 7);
1773 format = packet[9] >> 6;
1774 msf = (packet[1] >> 1) & 1;
1775 start_track = packet[6];
1776 switch(format) {
1777 case 0:
1778 len = cdrom_read_toc(total_sectors, buf, msf, start_track);
1779 if (len < 0)
1780 goto error_cmd;
1781 ide_atapi_cmd_reply(s, len, max_len);
1782 break;
1783 case 1:
1784 /* multi session : only a single session defined */
1785 memset(buf, 0, 12);
1786 buf[1] = 0x0a;
1787 buf[2] = 0x01;
1788 buf[3] = 0x01;
1789 ide_atapi_cmd_reply(s, 12, max_len);
1790 break;
1791 case 2:
1792 len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
1793 if (len < 0)
1794 goto error_cmd;
1795 ide_atapi_cmd_reply(s, len, max_len);
1796 break;
1797 default:
1798 error_cmd:
1799 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1800 ASC_INV_FIELD_IN_CMD_PACKET);
1801 break;
1802 }
1803 }
1804 break;
1805 case GPCMD_READ_CDVD_CAPACITY:
1806 {
1807 uint64_t total_sectors;
1808
1809 bdrv_get_geometry(s->bs, &total_sectors);
1810 total_sectors >>= 2;
1811 if (total_sectors == 0) {
1812 ide_atapi_cmd_error(s, SENSE_NOT_READY,
1813 ASC_MEDIUM_NOT_PRESENT);
1814 break;
1815 }
1816 /* NOTE: it is really the number of sectors minus 1 */
1817 cpu_to_ube32(buf, total_sectors - 1);
1818 cpu_to_ube32(buf + 4, 2048);
1819 ide_atapi_cmd_reply(s, 8, 8);
1820 }
1821 break;
1822 case GPCMD_READ_DVD_STRUCTURE:
1823 {
1824 int media = packet[1];
1825 int format = packet[7];
1826 int ret;
1827
1828 max_len = ube16_to_cpu(packet + 8);
1829
1830 if (format < 0xff) {
1831 if (media_is_cd(s)) {
1832 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1833 ASC_INCOMPATIBLE_FORMAT);
1834 break;
1835 } else if (!media_present(s)) {
1836 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1837 ASC_INV_FIELD_IN_CMD_PACKET);
1838 break;
1839 }
1840 }
1841
1842 memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ?
1843 IDE_DMA_BUF_SECTORS * 512 + 4 : max_len);
1844
1845 switch (format) {
1846 case 0x00 ... 0x7f:
1847 case 0xff:
1848 if (media == 0) {
1849 ret = ide_dvd_read_structure(s, format, packet, buf);
1850
1851 if (ret < 0)
1852 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret);
1853 else
1854 ide_atapi_cmd_reply(s, ret, max_len);
1855
1856 break;
1857 }
1858 /* TODO: BD support, fall through for now */
1859
1860 /* Generic disk structures */
1861 case 0x80: /* TODO: AACS volume identifier */
1862 case 0x81: /* TODO: AACS media serial number */
1863 case 0x82: /* TODO: AACS media identifier */
1864 case 0x83: /* TODO: AACS media key block */
1865 case 0x90: /* TODO: List of recognized format layers */
1866 case 0xc0: /* TODO: Write protection status */
1867 default:
1868 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1869 ASC_INV_FIELD_IN_CMD_PACKET);
1870 break;
1871 }
1872 }
1873 break;
1874 case GPCMD_SET_SPEED:
1875 ide_atapi_cmd_ok(s);
1876 break;
1877 case GPCMD_INQUIRY:
1878 max_len = packet[4];
1879 buf[0] = 0x05; /* CD-ROM */
1880 buf[1] = 0x80; /* removable */
1881 buf[2] = 0x00; /* ISO */
1882 buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */
1883 buf[4] = 31; /* additional length */
1884 buf[5] = 0; /* reserved */
1885 buf[6] = 0; /* reserved */
1886 buf[7] = 0; /* reserved */
1887 padstr8(buf + 8, 8, "QEMU");
1888 padstr8(buf + 16, 16, "QEMU DVD-ROM");
1889 padstr8(buf + 32, 4, QEMU_VERSION);
1890 ide_atapi_cmd_reply(s, 36, max_len);
1891 break;
1892 case GPCMD_GET_CONFIGURATION:
1893 {
1894 uint32_t len;
1895 uint8_t index = 0;
1896
1897 /* only feature 0 is supported */
1898 if (packet[2] != 0 || packet[3] != 0) {
1899 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1900 ASC_INV_FIELD_IN_CMD_PACKET);
1901 break;
1902 }
1903
1904 /* XXX: could result in alignment problems in some architectures */
1905 max_len = ube16_to_cpu(packet + 7);
1906
1907 /*
1908 * XXX: avoid overflow for io_buffer if max_len is bigger than
1909 * the size of that buffer (dimensioned to max number of
1910 * sectors to transfer at once)
1911 *
1912 * Only a problem if the feature/profiles grow.
1913 */
1914 if (max_len > 512) /* XXX: assume 1 sector */
1915 max_len = 512;
1916
1917 memset(buf, 0, max_len);
1918 /*
1919 * the number of sectors from the media tells us which profile
1920 * to use as current. 0 means there is no media
1921 */
1922 if (media_is_dvd(s))
1923 cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM);
1924 else if (media_is_cd(s))
1925 cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM);
1926
1927 buf[10] = 0x02 | 0x01; /* persistent and current */
1928 len = 12; /* headers: 8 + 4 */
1929 len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM);
1930 len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM);
1931 cpu_to_ube32(buf, len - 4); /* data length */
1932
1933 ide_atapi_cmd_reply(s, len, max_len);
1934 break;
1935 }
1936 default:
1937 ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1938 ASC_ILLEGAL_OPCODE);
1939 break;
1940 }
1941 }
1942
1943 static void ide_cfata_metadata_inquiry(IDEState *s)
1944 {
1945 uint16_t *p;
1946 uint32_t spd;
1947
1948 p = (uint16_t *) s->io_buffer;
1949 memset(p, 0, 0x200);
1950 spd = ((s->mdata_size - 1) >> 9) + 1;
1951
1952 put_le16(p + 0, 0x0001); /* Data format revision */
1953 put_le16(p + 1, 0x0000); /* Media property: silicon */
1954 put_le16(p + 2, s->media_changed); /* Media status */
1955 put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */
1956 put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */
1957 put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */
1958 put_le16(p + 6, spd >> 16); /* Sectors per device (high) */
1959 }
1960
1961 static void ide_cfata_metadata_read(IDEState *s)
1962 {
1963 uint16_t *p;
1964
1965 if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) {
1966 s->status = ERR_STAT;
1967 s->error = ABRT_ERR;
1968 return;
1969 }
1970
1971 p = (uint16_t *) s->io_buffer;
1972 memset(p, 0, 0x200);
1973
1974 put_le16(p + 0, s->media_changed); /* Media status */
1975 memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9),
1976 MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9),
1977 s->nsector << 9), 0x200 - 2));
1978 }
1979
1980 static void ide_cfata_metadata_write(IDEState *s)
1981 {
1982 if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) {
1983 s->status = ERR_STAT;
1984 s->error = ABRT_ERR;
1985 return;
1986 }
1987
1988 s->media_changed = 0;
1989
1990 memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9),
1991 s->io_buffer + 2,
1992 MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9),
1993 s->nsector << 9), 0x200 - 2));
1994 }
1995
1996 /* called when the inserted state of the media has changed */
1997 static void cdrom_change_cb(void *opaque)
1998 {
1999 IDEState *s = opaque;
2000 uint64_t nb_sectors;
2001
2002 bdrv_get_geometry(s->bs, &nb_sectors);
2003 s->nb_sectors = nb_sectors;
2004
2005 s->sense_key = SENSE_UNIT_ATTENTION;
2006 s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED;
2007
2008 ide_set_irq(s);
2009 }
2010
2011 static void ide_cmd_lba48_transform(IDEState *s, int lba48)
2012 {
2013 s->lba48 = lba48;
2014
2015 /* handle the 'magic' 0 nsector count conversion here. to avoid
2016 * fiddling with the rest of the read logic, we just store the
2017 * full sector count in ->nsector and ignore ->hob_nsector from now
2018 */
2019 if (!s->lba48) {
2020 if (!s->nsector)
2021 s->nsector = 256;
2022 } else {
2023 if (!s->nsector && !s->hob_nsector)
2024 s->nsector = 65536;
2025 else {
2026 int lo = s->nsector;
2027 int hi = s->hob_nsector;
2028
2029 s->nsector = (hi << 8) | lo;
2030 }
2031 }
2032 }
2033
2034 static void ide_clear_hob(IDEState *ide_if)
2035 {
2036 /* any write clears HOB high bit of device control register */
2037 ide_if[0].select &= ~(1 << 7);
2038 ide_if[1].select &= ~(1 << 7);
2039 }
2040
2041 static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
2042 {
2043 IDEState *ide_if = opaque;
2044 IDEState *s;
2045 int unit, n;
2046 int lba48 = 0;
2047
2048 #ifdef DEBUG_IDE
2049 printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
2050 #endif
2051
2052 addr &= 7;
2053
2054 /* ignore writes to command block while busy with previous command */
2055 if (addr != 7 && (ide_if->cur_drive->status & (BUSY_STAT|DRQ_STAT)))
2056 return;
2057
2058 switch(addr) {
2059 case 0:
2060 break;
2061 case 1:
2062 ide_clear_hob(ide_if);
2063 /* NOTE: data is written to the two drives */
2064 ide_if[0].hob_feature = ide_if[0].feature;
2065 ide_if[1].hob_feature = ide_if[1].feature;
2066 ide_if[0].feature = val;
2067 ide_if[1].feature = val;
2068 break;
2069 case 2:
2070 ide_clear_hob(ide_if);
2071 ide_if[0].hob_nsector = ide_if[0].nsector;
2072 ide_if[1].hob_nsector = ide_if[1].nsector;
2073 ide_if[0].nsector = val;
2074 ide_if[1].nsector = val;
2075 break;
2076 case 3:
2077 ide_clear_hob(ide_if);
2078 ide_if[0].hob_sector = ide_if[0].sector;
2079 ide_if[1].hob_sector = ide_if[1].sector;
2080 ide_if[0].sector = val;
2081 ide_if[1].sector = val;
2082 break;
2083 case 4:
2084 ide_clear_hob(ide_if);
2085 ide_if[0].hob_lcyl = ide_if[0].lcyl;
2086 ide_if[1].hob_lcyl = ide_if[1].lcyl;
2087 ide_if[0].lcyl = val;
2088 ide_if[1].lcyl = val;
2089 break;
2090 case 5:
2091 ide_clear_hob(ide_if);
2092 ide_if[0].hob_hcyl = ide_if[0].hcyl;
2093 ide_if[1].hob_hcyl = ide_if[1].hcyl;
2094 ide_if[0].hcyl = val;
2095 ide_if[1].hcyl = val;
2096 break;
2097 case 6:
2098 /* FIXME: HOB readback uses bit 7 */
2099 ide_if[0].select = (val & ~0x10) | 0xa0;
2100 ide_if[1].select = (val | 0x10) | 0xa0;
2101 /* select drive */
2102 unit = (val >> 4) & 1;
2103 s = ide_if + unit;
2104 ide_if->cur_drive = s;
2105 break;
2106 default:
2107 case 7:
2108 /* command */
2109 #if defined(DEBUG_IDE)
2110 printf("ide: CMD=%02x\n", val);
2111 #endif
2112 s = ide_if->cur_drive;
2113 /* ignore commands to non existant slave */
2114 if (s != ide_if && !s->bs)
2115 break;
2116
2117 /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */
2118 if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
2119 break;
2120
2121 switch(val) {
2122 case WIN_IDENTIFY:
2123 if (s->bs && !s->is_cdrom) {
2124 if (!s->is_cf)
2125 ide_identify(s);
2126 else
2127 ide_cfata_identify(s);
2128 s->status = READY_STAT | SEEK_STAT;
2129 ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2130 } else {
2131 if (s->is_cdrom) {
2132 ide_set_signature(s);
2133 }
2134 ide_abort_command(s);
2135 }
2136 ide_set_irq(s);
2137 break;
2138 case WIN_SPECIFY:
2139 case WIN_RECAL:
2140 s->error = 0;
2141 s->status = READY_STAT | SEEK_STAT;
2142 ide_set_irq(s);
2143 break;
2144 case WIN_SETMULT:
2145 if (s->is_cf && s->nsector == 0) {
2146 /* Disable Read and Write Multiple */
2147 s->mult_sectors = 0;
2148 s->status = READY_STAT | SEEK_STAT;
2149 } else if ((s->nsector & 0xff) != 0 &&
2150 ((s->nsector & 0xff) > MAX_MULT_SECTORS ||
2151 (s->nsector & (s->nsector - 1)) != 0)) {
2152 ide_abort_command(s);
2153 } else {
2154 s->mult_sectors = s->nsector & 0xff;
2155 s->status = READY_STAT | SEEK_STAT;
2156 }
2157 ide_set_irq(s);
2158 break;
2159 case WIN_VERIFY_EXT:
2160 lba48 = 1;
2161 case WIN_VERIFY:
2162 case WIN_VERIFY_ONCE:
2163 /* do sector number check ? */
2164 ide_cmd_lba48_transform(s, lba48);
2165 s->status = READY_STAT | SEEK_STAT;
2166 ide_set_irq(s);
2167 break;
2168 case WIN_READ_EXT:
2169 lba48 = 1;
2170 case WIN_READ:
2171 case WIN_READ_ONCE:
2172 if (!s->bs)
2173 goto abort_cmd;
2174 ide_cmd_lba48_transform(s, lba48);
2175 s->req_nb_sectors = 1;
2176 ide_sector_read(s);
2177 break;
2178 case WIN_WRITE_EXT:
2179 lba48 = 1;
2180 case WIN_WRITE:
2181 case WIN_WRITE_ONCE:
2182 case CFA_WRITE_SECT_WO_ERASE:
2183 case WIN_WRITE_VERIFY:
2184 ide_cmd_lba48_transform(s, lba48);
2185 s->error = 0;
2186 s->status = SEEK_STAT | READY_STAT;
2187 s->req_nb_sectors = 1;
2188 ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
2189 s->media_changed = 1;
2190 break;
2191 case WIN_MULTREAD_EXT:
2192 lba48 = 1;
2193 case WIN_MULTREAD:
2194 if (!s->mult_sectors)
2195 goto abort_cmd;
2196 ide_cmd_lba48_transform(s, lba48);
2197 s->req_nb_sectors = s->mult_sectors;
2198 ide_sector_read(s);
2199 break;
2200 case WIN_MULTWRITE_EXT:
2201 lba48 = 1;
2202 case WIN_MULTWRITE:
2203 case CFA_WRITE_MULTI_WO_ERASE:
2204 if (!s->mult_sectors)
2205 goto abort_cmd;
2206 ide_cmd_lba48_transform(s, lba48);
2207 s->error = 0;
2208 s->status = SEEK_STAT | READY_STAT;
2209 s->req_nb_sectors = s->mult_sectors;
2210 n = s->nsector;
2211 if (n > s->req_nb_sectors)
2212 n = s->req_nb_sectors;
2213 ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
2214 s->media_changed = 1;
2215 break;
2216 case WIN_READDMA_EXT:
2217 lba48 = 1;
2218 case WIN_READDMA:
2219 case WIN_READDMA_ONCE:
2220 if (!s->bs)
2221 goto abort_cmd;
2222 ide_cmd_lba48_transform(s, lba48);
2223 ide_sector_read_dma(s);
2224 break;
2225 case WIN_WRITEDMA_EXT:
2226 lba48 = 1;
2227 case WIN_WRITEDMA:
2228 case WIN_WRITEDMA_ONCE:
2229 if (!s->bs)
2230 goto abort_cmd;
2231 ide_cmd_lba48_transform(s, lba48);
2232 ide_sector_write_dma(s);
2233 s->media_changed = 1;
2234 break;
2235 case WIN_READ_NATIVE_MAX_EXT:
2236 lba48 = 1;
2237 case WIN_READ_NATIVE_MAX:
2238 ide_cmd_lba48_transform(s, lba48);
2239 ide_set_sector(s, s->nb_sectors - 1);
2240 s->status = READY_STAT | SEEK_STAT;
2241 ide_set_irq(s);
2242 break;
2243 case WIN_CHECKPOWERMODE1:
2244 case WIN_CHECKPOWERMODE2:
2245 s->nsector = 0xff; /* device active or idle */
2246 s->status = READY_STAT | SEEK_STAT;
2247 ide_set_irq(s);
2248 break;
2249 case WIN_SETFEATURES:
2250 if (!s->bs)
2251 goto abort_cmd;
2252 /* XXX: valid for CDROM ? */
2253 switch(s->feature) {
2254 case 0xcc: /* reverting to power-on defaults enable */
2255 case 0x66: /* reverting to power-on defaults disable */
2256 case 0x02: /* write cache enable */
2257 case 0x82: /* write cache disable */
2258 case 0xaa: /* read look-ahead enable */
2259 case 0x55: /* read look-ahead disable */
2260 case 0x05: /* set advanced power management mode */
2261 case 0x85: /* disable advanced power management mode */
2262 case 0x69: /* NOP */
2263 case 0x67: /* NOP */
2264 case 0x96: /* NOP */
2265 case 0x9a: /* NOP */
2266 case 0x42: /* enable Automatic Acoustic Mode */
2267 case 0xc2: /* disable Automatic Acoustic Mode */
2268 s->status = READY_STAT | SEEK_STAT;
2269 ide_set_irq(s);
2270 break;
2271 case 0x03: { /* set transfer mode */
2272 uint8_t val = s->nsector & 0x07;
2273
2274 switch (s->nsector >> 3) {
2275 case 0x00: /* pio default */
2276 case 0x01: /* pio mode */
2277 put_le16(s->identify_data + 62,0x07);
2278 put_le16(s->identify_data + 63,0x07);
2279 put_le16(s->identify_data + 88,0x3f);
2280 break;
2281 case 0x02: /* sigle word dma mode*/
2282 put_le16(s->identify_data + 62,0x07 | (1 << (val + 8)));
2283 put_le16(s->identify_data + 63,0x07);
2284 put_le16(s->identify_data + 88,0x3f);
2285 break;
2286 case 0x04: /* mdma mode */
2287 put_le16(s->identify_data + 62,0x07);
2288 put_le16(s->identify_data + 63,0x07 | (1 << (val + 8)));
2289 put_le16(s->identify_data + 88,0x3f);
2290 break;
2291 case 0x08: /* udma mode */
2292 put_le16(s->identify_data + 62,0x07);
2293 put_le16(s->identify_data + 63,0x07);
2294 put_le16(s->identify_data + 88,0x3f | (1 << (val + 8)));
2295 break;
2296 default:
2297 goto abort_cmd;
2298 }
2299 s->status = READY_STAT | SEEK_STAT;
2300 ide_set_irq(s);
2301 break;
2302 }
2303 default:
2304 goto abort_cmd;
2305 }
2306 break;
2307 case WIN_FLUSH_CACHE:
2308 case WIN_FLUSH_CACHE_EXT:
2309 if (s->bs)
2310 bdrv_flush(s->bs);
2311 s->status = READY_STAT | SEEK_STAT;
2312 ide_set_irq(s);
2313 break;
2314 case WIN_STANDBY:
2315 case WIN_STANDBY2:
2316 case WIN_STANDBYNOW1:
2317 case WIN_STANDBYNOW2:
2318 case WIN_IDLEIMMEDIATE:
2319 case CFA_IDLEIMMEDIATE:
2320 case WIN_SETIDLE1:
2321 case WIN_SETIDLE2:
2322 case WIN_SLEEPNOW1:
2323 case WIN_SLEEPNOW2:
2324 s->status = READY_STAT;
2325 ide_set_irq(s);
2326 break;
2327 case WIN_SEEK:
2328 if(s->is_cdrom)
2329 goto abort_cmd;
2330 /* XXX: Check that seek is within bounds */
2331 s->status = READY_STAT | SEEK_STAT;
2332 ide_set_irq(s);
2333 break;
2334 /* ATAPI commands */
2335 case WIN_PIDENTIFY:
2336 if (s->is_cdrom) {
2337 ide_atapi_identify(s);
2338 s->status = READY_STAT | SEEK_STAT;
2339 ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2340 } else {
2341 ide_abort_command(s);
2342 }
2343 ide_set_irq(s);
2344 break;
2345 case WIN_DIAGNOSE:
2346 ide_set_signature(s);
2347 if (s->is_cdrom)
2348 s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet
2349 * devices to return a clear status register
2350 * with READY_STAT *not* set. */
2351 else
2352 s->status = READY_STAT | SEEK_STAT;
2353 s->error = 0x01; /* Device 0 passed, Device 1 passed or not
2354 * present.
2355 */
2356 ide_set_irq(s);
2357 break;
2358 case WIN_SRST:
2359 if (!s->is_cdrom)
2360 goto abort_cmd;
2361 ide_set_signature(s);
2362 s->status = 0x00; /* NOTE: READY is _not_ set */
2363 s->error = 0x01;
2364 break;
2365 case WIN_PACKETCMD:
2366 if (!s->is_cdrom)
2367 goto abort_cmd;
2368 /* overlapping commands not supported */
2369 if (s->feature & 0x02)
2370 goto abort_cmd;
2371 s->status = READY_STAT | SEEK_STAT;
2372 s->atapi_dma = s->feature & 1;
2373 s->nsector = 1;
2374 ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE,
2375 ide_atapi_cmd);
2376 break;
2377 /* CF-ATA commands */
2378 case CFA_REQ_EXT_ERROR_CODE:
2379 if (!s->is_cf)
2380 goto abort_cmd;
2381 s->error = 0x09; /* miscellaneous error */
2382 s->status = READY_STAT | SEEK_STAT;
2383 ide_set_irq(s);
2384 break;
2385 case CFA_ERASE_SECTORS:
2386 case CFA_WEAR_LEVEL:
2387 if (!s->is_cf)
2388 goto abort_cmd;
2389 if (val == CFA_WEAR_LEVEL)
2390 s->nsector = 0;
2391 if (val == CFA_ERASE_SECTORS)
2392 s->media_changed = 1;
2393 s->error = 0x00;
2394 s->status = READY_STAT | SEEK_STAT;
2395 ide_set_irq(s);
2396 break;
2397 case CFA_TRANSLATE_SECTOR:
2398 if (!s->is_cf)
2399 goto abort_cmd;
2400 s->error = 0x00;
2401 s->status = READY_STAT | SEEK_STAT;
2402 memset(s->io_buffer, 0, 0x200);
2403 s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */
2404 s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */
2405 s->io_buffer[0x02] = s->select; /* Head */
2406 s->io_buffer[0x03] = s->sector; /* Sector */
2407 s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */
2408 s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */
2409 s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */
2410 s->io_buffer[0x13] = 0x00; /* Erase flag */
2411 s->io_buffer[0x18] = 0x00; /* Hot count */
2412 s->io_buffer[0x19] = 0x00; /* Hot count */
2413 s->io_buffer[0x1a] = 0x01; /* Hot count */
2414 ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
2415 ide_set_irq(s);
2416 break;
2417 case CFA_ACCESS_METADATA_STORAGE:
2418 if (!s->is_cf)
2419 goto abort_cmd;
2420 switch (s->feature) {
2421 case 0x02: /* Inquiry Metadata Storage */
2422 ide_cfata_metadata_inquiry(s);
2423 break;
2424 case 0x03: /* Read Metadata Storage */
2425 ide_cfata_metadata_read(s);
2426 break;
2427 case 0x04: /* Write Metadata Storage */
2428 ide_cfata_metadata_write(s);
2429 break;
2430 default:
2431 goto abort_cmd;
2432 }
2433 ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
2434 s->status = 0x00; /* NOTE: READY is _not_ set */
2435 ide_set_irq(s);
2436 break;
2437 case IBM_SENSE_CONDITION:
2438 if (!s->is_cf)
2439 goto abort_cmd;
2440 switch (s->feature) {
2441 case 0x01: /* sense temperature in device */
2442 s->nsector = 0x50; /* +20 C */
2443 break;
2444 default:
2445 goto abort_cmd;
2446 }
2447 s->status = READY_STAT | SEEK_STAT;
2448 ide_set_irq(s);
2449 break;
2450 default:
2451 abort_cmd:
2452 ide_abort_command(s);
2453 ide_set_irq(s);
2454 break;
2455 }
2456 }
2457 }
2458
2459 static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
2460 {
2461 IDEState *ide_if = opaque;
2462 IDEState *s = ide_if->cur_drive;
2463 uint32_t addr;
2464 int ret, hob;
2465
2466 addr = addr1 & 7;
2467 /* FIXME: HOB readback uses bit 7, but it's always set right now */
2468 //hob = s->select & (1 << 7);
2469 hob = 0;
2470 switch(addr) {
2471 case 0:
2472 ret = 0xff;
2473 break;
2474 case 1:
2475 if (!ide_if[0].bs && !ide_if[1].bs)
2476 ret = 0;
2477 else if (!hob)
2478 ret = s->error;
2479 else
2480 ret = s->hob_feature;
2481 break;
2482 case 2:
2483 if (!ide_if[0].bs && !ide_if[1].bs)
2484 ret = 0;
2485 else if (!hob)
2486 ret = s->nsector & 0xff;
2487 else
2488 ret = s->hob_nsector;
2489 break;
2490 case 3:
2491 if (!ide_if[0].bs && !ide_if[1].bs)
2492 ret = 0;
2493 else if (!hob)
2494 ret = s->sector;
2495 else
2496 ret = s->hob_sector;
2497 break;
2498 case 4:
2499 if (!ide_if[0].bs && !ide_if[1].bs)
2500 ret = 0;
2501 else if (!hob)
2502 ret = s->lcyl;
2503 else
2504 ret = s->hob_lcyl;
2505 break;
2506 case 5:
2507 if (!ide_if[0].bs && !ide_if[1].bs)
2508 ret = 0;
2509 else if (!hob)
2510 ret = s->hcyl;
2511 else
2512 ret = s->hob_hcyl;
2513 break;
2514 case 6:
2515 if (!ide_if[0].bs && !ide_if[1].bs)
2516 ret = 0;
2517 else
2518 ret = s->select;
2519 break;
2520 default:
2521 case 7:
2522 if ((!ide_if[0].bs && !ide_if[1].bs) ||
2523 (s != ide_if && !s->bs))
2524 ret = 0;
2525 else
2526 ret = s->status;
2527 qemu_irq_lower(s->irq);
2528 break;
2529 }
2530 #ifdef DEBUG_IDE
2531 printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
2532 #endif
2533 return ret;
2534 }
2535
2536 static uint32_t ide_status_read(void *opaque, uint32_t addr)
2537 {
2538 IDEState *ide_if = opaque;
2539 IDEState *s = ide_if->cur_drive;
2540 int ret;
2541
2542 if ((!ide_if[0].bs && !ide_if[1].bs) ||
2543 (s != ide_if && !s->bs))
2544 ret = 0;
2545 else
2546 ret = s->status;
2547 #ifdef DEBUG_IDE
2548 printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
2549 #endif
2550 return ret;
2551 }
2552
2553 static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val)
2554 {
2555 IDEState *ide_if = opaque;
2556 IDEState *s;
2557 int i;
2558
2559 #ifdef DEBUG_IDE
2560 printf("ide: write control addr=0x%x val=%02x\n", addr, val);
2561 #endif
2562 /* common for both drives */
2563 if (!(ide_if[0].cmd & IDE_CMD_RESET) &&
2564 (val & IDE_CMD_RESET)) {
2565 /* reset low to high */
2566 for(i = 0;i < 2; i++) {
2567 s = &ide_if[i];
2568 s->status = BUSY_STAT | SEEK_STAT;
2569 s->error = 0x01;
2570 }
2571 } else if ((ide_if[0].cmd & IDE_CMD_RESET) &&
2572 !(val & IDE_CMD_RESET)) {
2573 /* high to low */
2574 for(i = 0;i < 2; i++) {
2575 s = &ide_if[i];
2576 if (s->is_cdrom)
2577 s->status = 0x00; /* NOTE: READY is _not_ set */
2578 else
2579 s->status = READY_STAT | SEEK_STAT;
2580 ide_set_signature(s);
2581 }
2582 }
2583
2584 ide_if[0].cmd = val;
2585 ide_if[1].cmd = val;
2586 }
2587
2588 static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)
2589 {
2590 IDEState *s = ((IDEState *)opaque)->cur_drive;
2591 uint8_t *p;
2592
2593 /* PIO data access allowed only when DRQ bit is set */
2594 if (!(s->status & DRQ_STAT))
2595 return;
2596
2597 p = s->data_ptr;
2598 *(uint16_t *)p = le16_to_cpu(val);
2599 p += 2;
2600 s->data_ptr = p;
2601 if (p >= s->data_end)
2602 s->end_transfer_func(s);
2603 }
2604
2605 static uint32_t ide_data_readw(void *opaque, uint32_t addr)
2606 {
2607 IDEState *s = ((IDEState *)opaque)->cur_drive;
2608 uint8_t *p;
2609 int ret;
2610
2611 /* PIO data access allowed only when DRQ bit is set */
2612 if (!(s->status & DRQ_STAT))
2613 return 0;
2614
2615 p = s->data_ptr;
2616 ret = cpu_to_le16(*(uint16_t *)p);
2617 p += 2;
2618 s->data_ptr = p;
2619 if (p >= s->data_end)
2620 s->end_transfer_func(s);
2621 return ret;
2622 }
2623
2624 static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val)
2625 {
2626 IDEState *s = ((IDEState *)opaque)->cur_drive;
2627 uint8_t *p;
2628
2629 /* PIO data access allowed only when DRQ bit is set */
2630 if (!(s->status & DRQ_STAT))
2631 return;
2632
2633 p = s->data_ptr;
2634 *(uint32_t *)p = le32_to_cpu(val);
2635 p += 4;
2636 s->data_ptr = p;
2637 if (p >= s->data_end)
2638 s->end_transfer_func(s);
2639 }
2640
2641 static uint32_t ide_data_readl(void *opaque, uint32_t addr)
2642 {
2643 IDEState *s = ((IDEState *)opaque)->cur_drive;
2644 uint8_t *p;
2645 int ret;
2646
2647 /* PIO data access allowed only when DRQ bit is set */
2648 if (!(s->status & DRQ_STAT))
2649 return 0;
2650
2651 p = s->data_ptr;
2652 ret = cpu_to_le32(*(uint32_t *)p);
2653 p += 4;
2654 s->data_ptr = p;
2655 if (p >= s->data_end)
2656 s->end_transfer_func(s);
2657 return ret;
2658 }
2659
2660 static void ide_dummy_transfer_stop(IDEState *s)
2661 {
2662 s->data_ptr = s->io_buffer;
2663 s->data_end = s->io_buffer;
2664 s->io_buffer[0] = 0xff;
2665 s->io_buffer[1] = 0xff;
2666 s->io_buffer[2] = 0xff;
2667 s->io_buffer[3] = 0xff;
2668 }
2669
2670 static void ide_reset(IDEState *s)
2671 {
2672 if (s->is_cf)
2673 s->mult_sectors = 0;
2674 else
2675 s->mult_sectors = MAX_MULT_SECTORS;
2676 s->cur_drive = s;
2677 s->select = 0xa0;
2678 s->status = READY_STAT | SEEK_STAT;
2679 ide_set_signature(s);
2680 /* init the transfer handler so that 0xffff is returned on data
2681 accesses */
2682 s->end_transfer_func = ide_dummy_transfer_stop;
2683 ide_dummy_transfer_stop(s);
2684 s->media_changed = 0;
2685 }
2686
2687 static void ide_init2(IDEState *ide_state,
2688 BlockDriverState *hd0, BlockDriverState *hd1,
2689 qemu_irq irq)
2690 {
2691 IDEState *s;
2692 static int drive_serial = 1;
2693 int i, cylinders, heads, secs;
2694 uint64_t nb_sectors;
2695
2696 for(i = 0; i < 2; i++) {
2697 s = ide_state + i;
2698 s->io_buffer = qemu_memalign(512, IDE_DMA_BUF_SECTORS*512 + 4);
2699 if (i == 0)
2700 s->bs = hd0;
2701 else
2702 s->bs = hd1;
2703 if (s->bs) {
2704 bdrv_get_geometry(s->bs, &nb_sectors);
2705 bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
2706 s->cylinders = cylinders;
2707 s->heads = heads;
2708 s->sectors = secs;
2709 s->nb_sectors = nb_sectors;
2710
2711 if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) {
2712 s->is_cdrom = 1;
2713 bdrv_set_change_cb(s->bs, cdrom_change_cb, s);
2714 }
2715 }
2716 s->drive_serial = drive_serial++;
2717 s->irq = irq;
2718 s->sector_write_timer = qemu_new_timer(vm_clock,
2719 ide_sector_write_timer_cb, s);
2720 ide_reset(s);
2721 }
2722 }
2723
2724 static void ide_init_ioport(IDEState *ide_state, int iobase, int iobase2)
2725 {
2726 register_ioport_write(iobase, 8, 1, ide_ioport_write, ide_state);
2727 register_ioport_read(iobase, 8, 1, ide_ioport_read, ide_state);
2728 if (iobase2) {
2729 register_ioport_read(iobase2, 1, 1, ide_status_read, ide_state);
2730 register_ioport_write(iobase2, 1, 1, ide_cmd_write, ide_state);
2731 }
2732
2733 /* data ports */
2734 register_ioport_write(iobase, 2, 2, ide_data_writew, ide_state);
2735 register_ioport_read(iobase, 2, 2, ide_data_readw, ide_state);
2736 register_ioport_write(iobase, 4, 4, ide_data_writel, ide_state);
2737 register_ioport_read(iobase, 4, 4, ide_data_readl, ide_state);
2738 }
2739
2740 /* save per IDE drive data */
2741 static void ide_save(QEMUFile* f, IDEState *s)
2742 {
2743 qemu_put_be32(f, s->mult_sectors);
2744 qemu_put_be32(f, s->identify_set);
2745 if (s->identify_set) {
2746 qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512);
2747 }
2748 qemu_put_8s(f, &s->feature);
2749 qemu_put_8s(f, &s->error);
2750 qemu_put_be32s(f, &s->nsector);
2751 qemu_put_8s(f, &s->sector);
2752 qemu_put_8s(f, &s->lcyl);
2753 qemu_put_8s(f, &s->hcyl);
2754 qemu_put_8s(f, &s->hob_feature);
2755 qemu_put_8s(f, &s->hob_nsector);
2756 qemu_put_8s(f, &s->hob_sector);
2757 qemu_put_8s(f, &s->hob_lcyl);
2758 qemu_put_8s(f, &s->hob_hcyl);
2759 qemu_put_8s(f, &s->select);
2760 qemu_put_8s(f, &s->status);
2761 qemu_put_8s(f, &s->lba48);
2762
2763 qemu_put_8s(f, &s->sense_key);
2764 qemu_put_8s(f, &s->asc);
2765 /* XXX: if a transfer is pending, we do not save it yet */
2766 }
2767
2768 /* load per IDE drive data */
2769 static void ide_load(QEMUFile* f, IDEState *s)
2770 {
2771 s->mult_sectors=qemu_get_be32(f);
2772 s->identify_set=qemu_get_be32(f);
2773 if (s->identify_set) {
2774 qemu_get_buffer(f, (uint8_t *)s->identify_data, 512);
2775 }
2776 qemu_get_8s(f, &s->feature);
2777 qemu_get_8s(f, &s->error);
2778 qemu_get_be32s(f, &s->nsector);
2779 qemu_get_8s(f, &s->sector);
2780 qemu_get_8s(f, &s->lcyl);
2781 qemu_get_8s(f, &s->hcyl);
2782 qemu_get_8s(f, &s->hob_feature);
2783 qemu_get_8s(f, &s->hob_nsector);
2784 qemu_get_8s(f, &s->hob_sector);
2785 qemu_get_8s(f, &s->hob_lcyl);
2786 qemu_get_8s(f, &s->hob_hcyl);
2787 qemu_get_8s(f, &s->select);
2788 qemu_get_8s(f, &s->status);
2789 qemu_get_8s(f, &s->lba48);
2790
2791 qemu_get_8s(f, &s->sense_key);
2792 qemu_get_8s(f, &s->asc);
2793 /* XXX: if a transfer is pending, we do not save it yet */
2794 }
2795
2796 /***********************************************************/
2797 /* ISA IDE definitions */
2798
2799 void isa_ide_init(int iobase, int iobase2, qemu_irq irq,
2800 BlockDriverState *hd0, BlockDriverState *hd1)
2801 {
2802 IDEState *ide_state;
2803
2804 ide_state = qemu_mallocz(sizeof(IDEState) * 2);
2805 if (!ide_state)
2806 return;
2807
2808 ide_init2(ide_state, hd0, hd1, irq);
2809 ide_init_ioport(ide_state, iobase, iobase2);
2810 }
2811
2812 /***********************************************************/
2813 /* PCI IDE definitions */
2814
2815 static void cmd646_update_irq(PCIIDEState *d);
2816
2817 static void ide_map(PCIDevice *pci_dev, int region_num,
2818 uint32_t addr, uint32_t size, int type)
2819 {
2820 PCIIDEState *d = (PCIIDEState *)pci_dev;
2821 IDEState *ide_state;
2822
2823 if (region_num <= 3) {
2824 ide_state = &d->ide_if[(region_num >> 1) * 2];
2825 if (region_num & 1) {
2826 register_ioport_read(addr + 2, 1, 1, ide_status_read, ide_state);
2827 register_ioport_write(addr + 2, 1, 1, ide_cmd_write, ide_state);
2828 } else {
2829 register_ioport_write(addr, 8, 1, ide_ioport_write, ide_state);
2830 register_ioport_read(addr, 8, 1, ide_ioport_read, ide_state);
2831
2832 /* data ports */
2833 register_ioport_write(addr, 2, 2, ide_data_writew, ide_state);
2834 register_ioport_read(addr, 2, 2, ide_data_readw, ide_state);
2835 register_ioport_write(addr, 4, 4, ide_data_writel, ide_state);
2836 register_ioport_read(addr, 4, 4, ide_data_readl, ide_state);
2837 }
2838 }
2839 }
2840
2841 static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb)
2842 {
2843 BMDMAState *bm = s->bmdma;
2844 if(!bm)
2845 return;
2846 bm->ide_if = s;
2847 bm->dma_cb = dma_cb;
2848 bm->cur_prd_last = 0;
2849 bm->cur_prd_addr = 0;
2850 bm->cur_prd_len = 0;
2851 if (bm->status & BM_STATUS_DMAING) {
2852 bm->dma_cb(bm, 0);
2853 }
2854 }
2855
2856 static void ide_dma_cancel(BMDMAState *bm)
2857 {
2858 if (bm->status & BM_STATUS_DMAING) {
2859 bm->status &= ~BM_STATUS_DMAING;
2860 /* cancel DMA request */
2861 bm->ide_if = NULL;
2862 bm->dma_cb = NULL;
2863 if (bm->aiocb) {
2864 #ifdef DEBUG_AIO
2865 printf("aio_cancel\n");
2866 #endif
2867 bdrv_aio_cancel(bm->aiocb);
2868 bm->aiocb = NULL;
2869 }
2870 }
2871 }
2872
2873 static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val)
2874 {
2875 BMDMAState *bm = opaque;
2876 #ifdef DEBUG_IDE
2877 printf("%s: 0x%08x\n", __func__, val);
2878 #endif
2879 if (!(val & BM_CMD_START)) {
2880 /* XXX: do it better */
2881 ide_dma_cancel(bm);
2882 bm->cmd = val & 0x09;
2883 } else {
2884 if (!(bm->status & BM_STATUS_DMAING)) {
2885 bm->status |= BM_STATUS_DMAING;
2886 /* start dma transfer if possible */
2887 if (bm->dma_cb)
2888 bm->dma_cb(bm, 0);
2889 }
2890 bm->cmd = val & 0x09;
2891 }
2892 }
2893
2894 static uint32_t bmdma_readb(void *opaque, uint32_t addr)
2895 {
2896 BMDMAState *bm = opaque;
2897 PCIIDEState *pci_dev;
2898 uint32_t val;
2899
2900 switch(addr & 3) {
2901 case 0:
2902 val = bm->cmd;
2903 break;
2904 case 1:
2905 pci_dev = bm->pci_dev;
2906 if (pci_dev->type == IDE_TYPE_CMD646) {
2907 val = pci_dev->dev.config[MRDMODE];
2908 } else {
2909 val = 0xff;
2910 }
2911 break;
2912 case 2:
2913 val = bm->status;
2914 break;
2915 case 3:
2916 pci_dev = bm->pci_dev;
2917 if (pci_dev->type == IDE_TYPE_CMD646) {
2918 if (bm == &pci_dev->bmdma[0])
2919 val = pci_dev->dev.config[UDIDETCR0];
2920 else
2921 val = pci_dev->dev.config[UDIDETCR1];
2922 } else {
2923 val = 0xff;
2924 }
2925 break;
2926 default:
2927 val = 0xff;
2928 break;
2929 }
2930 #ifdef DEBUG_IDE
2931 printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
2932 #endif
2933 return val;
2934 }
2935
2936 static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val)
2937 {
2938 BMDMAState *bm = opaque;
2939 PCIIDEState *pci_dev;
2940 #ifdef DEBUG_IDE
2941 printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
2942 #endif
2943 switch(addr & 3) {
2944 case 1:
2945 pci_dev = bm->pci_dev;
2946 if (pci_dev->type == IDE_TYPE_CMD646) {
2947 pci_dev->dev.config[MRDMODE] =
2948 (pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30);
2949 cmd646_update_irq(pci_dev);
2950 }
2951 break;
2952 case 2:
2953 bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
2954 break;
2955 case 3:
2956 pci_dev = bm->pci_dev;
2957 if (pci_dev->type == IDE_TYPE_CMD646) {
2958 if (bm == &pci_dev->bmdma[0])
2959 pci_dev->dev.config[UDIDETCR0] = val;
2960 else
2961 pci_dev->dev.config[UDIDETCR1] = val;
2962 }
2963 break;
2964 }
2965 }
2966
2967 static uint32_t bmdma_addr_readb(void *opaque, uint32_t addr)
2968 {
2969 BMDMAState *bm = opaque;
2970 uint32_t val;
2971 val = (bm->addr >> ((addr & 3) * 8)) & 0xff;
2972 #ifdef DEBUG_IDE
2973 printf("%s: 0x%08x\n", __func__, val);
2974 #endif
2975 return val;
2976 }
2977
2978 static void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val)
2979 {
2980 BMDMAState *bm = opaque;
2981 int shift = (addr & 3) * 8;
2982 #ifdef DEBUG_IDE
2983 printf("%s: 0x%08x\n", __func__, val);
2984 #endif
2985 bm->addr &= ~(0xFF << shift);
2986 bm->addr |= ((val & 0xFF) << shift) & ~3;
2987 bm->cur_addr = bm->addr;
2988 }
2989
2990 static uint32_t bmdma_addr_readw(void *opaque, uint32_t addr)
2991 {
2992 BMDMAState *bm = opaque;
2993 uint32_t val;
2994 val = (bm->addr >> ((addr & 3) * 8)) & 0xffff;
2995 #ifdef DEBUG_IDE
2996 printf("%s: 0x%08x\n", __func__, val);
2997 #endif
2998 return val;
2999 }
3000
3001 static void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val)
3002 {
3003 BMDMAState *bm = opaque;
3004 int shift = (addr & 3) * 8;
3005 #ifdef DEBUG_IDE
3006 printf("%s: 0x%08x\n", __func__, val);
3007 #endif
3008 bm->addr &= ~(0xFFFF << shift);
3009 bm->addr |= ((val & 0xFFFF) << shift) & ~3;
3010 bm->cur_addr = bm->addr;
3011 }
3012
3013 static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr)
3014 {
3015 BMDMAState *bm = opaque;
3016 uint32_t val;
3017 val = bm->addr;
3018 #ifdef DEBUG_IDE
3019 printf("%s: 0x%08x\n", __func__, val);
3020 #endif
3021 return val;
3022 }
3023
3024 static void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val)
3025 {
3026 BMDMAState *bm = opaque;
3027 #ifdef DEBUG_IDE
3028 printf("%s: 0x%08x\n", __func__, val);
3029 #endif
3030 bm->addr = val & ~3;
3031 bm->cur_addr = bm->addr;
3032 }
3033
3034 static void bmdma_map(PCIDevice *pci_dev, int region_num,
3035 uint32_t addr, uint32_t size, int type)
3036 {
3037 PCIIDEState *d = (PCIIDEState *)pci_dev;
3038 int i;
3039
3040 for(i = 0;i < 2; i++) {
3041 BMDMAState *bm = &d->bmdma[i];
3042 d->ide_if[2 * i].bmdma = bm;
3043 d->ide_if[2 * i + 1].bmdma = bm;
3044 bm->pci_dev = (PCIIDEState *)pci_dev;
3045
3046 register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm);
3047
3048 register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm);
3049 register_ioport_read(addr, 4, 1, bmdma_readb, bm);
3050
3051 register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm);
3052 register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm);
3053 register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm);
3054 register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm);
3055 register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm);
3056 register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm);
3057 addr += 8;
3058 }
3059 }
3060
3061 /* XXX: call it also when the MRDMODE is changed from the PCI config
3062 registers */
3063 static void cmd646_update_irq(PCIIDEState *d)
3064 {
3065 int pci_level;
3066 pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) &&
3067 !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) ||
3068 ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) &&
3069 !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1));
3070 qemu_set_irq(d->dev.irq[0], pci_level);
3071 }
3072
3073 /* the PCI irq level is the logical OR of the two channels */
3074 static void cmd646_set_irq(void *opaque, int channel, int level)
3075 {
3076 PCIIDEState *d = opaque;
3077 int irq_mask;
3078
3079 irq_mask = MRDMODE_INTR_CH0 << channel;
3080 if (level)
3081 d->dev.config[MRDMODE] |= irq_mask;
3082 else
3083 d->dev.config[MRDMODE] &= ~irq_mask;
3084 cmd646_update_irq(d);
3085 }
3086
3087 /* CMD646 PCI IDE controller */
3088 void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
3089 int secondary_ide_enabled)
3090 {
3091 PCIIDEState *d;
3092 uint8_t *pci_conf;
3093 int i;
3094 qemu_irq *irq;
3095
3096 d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE",
3097 sizeof(PCIIDEState),
3098 -1,
3099 NULL, NULL);
3100 d->type = IDE_TYPE_CMD646;
3101 pci_conf = d->dev.config;
3102 pci_conf[0x00] = 0x95; // CMD646
3103 pci_conf[0x01] = 0x10;
3104 pci_conf[0x02] = 0x46;
3105 pci_conf[0x03] = 0x06;
3106
3107 pci_conf[0x08] = 0x07; // IDE controller revision
3108 pci_conf[0x09] = 0x8f;
3109
3110 pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE
3111 pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage
3112 pci_conf[0x0e] = 0x00; // header_type
3113
3114 if (secondary_ide_enabled) {
3115 /* XXX: if not enabled, really disable the seconday IDE controller */
3116 pci_conf[0x51] = 0x80; /* enable IDE1 */
3117 }
3118
3119 pci_register_io_region((PCIDevice *)d, 0, 0x8,
3120 PCI_ADDRESS_SPACE_IO, ide_map);
3121 pci_register_io_region((PCIDevice *)d, 1, 0x4,
3122 PCI_ADDRESS_SPACE_IO, ide_map);
3123 pci_register_io_region((PCIDevice *)d, 2, 0x8,
3124 PCI_ADDRESS_SPACE_IO, ide_map);
3125 pci_register_io_region((PCIDevice *)d, 3, 0x4,
3126 PCI_ADDRESS_SPACE_IO, ide_map);
3127 pci_register_io_region((PCIDevice *)d, 4, 0x10,
3128 PCI_ADDRESS_SPACE_IO, bmdma_map);
3129
3130 pci_conf[0x3d] = 0x01; // interrupt on pin 1
3131
3132 for(i = 0; i < 4; i++)
3133 d->ide_if[i].pci_dev = (PCIDevice *)d;
3134
3135 irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
3136 ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], irq[0]);
3137 ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], irq[1]);
3138 }
3139
3140 static void pci_ide_save(QEMUFile* f, void *opaque)
3141 {
3142 PCIIDEState *d = opaque;
3143 int i;
3144
3145 pci_device_save(&d->dev, f);
3146
3147 for(i = 0; i < 2; i++) {
3148 BMDMAState *bm = &d->bmdma[i];
3149 qemu_put_8s(f, &bm->cmd);
3150 qemu_put_8s(f, &bm->status);
3151 qemu_put_be32s(f, &bm->addr);
3152 /* XXX: if a transfer is pending, we do not save it yet */
3153 }
3154
3155 /* per IDE interface data */
3156 for(i = 0; i < 2; i++) {
3157 IDEState *s = &d->ide_if[i * 2];
3158 uint8_t drive1_selected;
3159 qemu_put_8s(f, &s->cmd);
3160 drive1_selected = (s->cur_drive != s);
3161 qemu_put_8s(f, &drive1_selected);
3162 }
3163
3164 /* per IDE drive data */
3165 for(i = 0; i < 4; i++) {
3166 ide_save(f, &d->ide_if[i]);
3167 }
3168 }
3169
3170 static int pci_ide_load(QEMUFile* f, void *opaque, int version_id)
3171 {
3172 PCIIDEState *d = opaque;
3173 int ret, i;
3174
3175 if (version_id != 1)
3176 return -EINVAL;
3177 ret = pci_device_load(&d->dev, f);
3178 if (ret < 0)
3179 return ret;
3180
3181 for(i = 0; i < 2; i++) {
3182 BMDMAState *bm = &d->bmdma[i];
3183 qemu_get_8s(f, &bm->cmd);
3184 qemu_get_8s(f, &bm->status);
3185 qemu_get_be32s(f, &bm->addr);
3186 /* XXX: if a transfer is pending, we do not save it yet */
3187 }
3188
3189 /* per IDE interface data */
3190 for(i = 0; i < 2; i++) {
3191 IDEState *s = &d->ide_if[i * 2];
3192 uint8_t drive1_selected;
3193 qemu_get_8s(f, &s->cmd);
3194 qemu_get_8s(f, &drive1_selected);
3195 s->cur_drive = &d->ide_if[i * 2 + (drive1_selected != 0)];
3196 }
3197
3198 /* per IDE drive data */
3199 for(i = 0; i < 4; i++) {
3200 ide_load(f, &d->ide_if[i]);
3201 }
3202 return 0;
3203 }
3204
3205 static void piix3_reset(void *opaque)
3206 {
3207 PCIIDEState *d = opaque;
3208 uint8_t *pci_conf = d->dev.config;
3209 int i;
3210
3211 for (i = 0; i < 2; i++)
3212 ide_dma_cancel(&d->bmdma[i]);
3213
3214 pci_conf[0x04] = 0x00;
3215 pci_conf[0x05] = 0x00;
3216 pci_conf[0x06] = 0x80; /* FBC */
3217 pci_conf[0x07] = 0x02; // PCI_status_devsel_medium
3218 pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */
3219 }
3220
3221 /* hd_table must contain 4 block drivers */
3222 /* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
3223 void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn,
3224 qemu_irq *pic)
3225 {
3226 PCIIDEState *d;
3227 uint8_t *pci_conf;
3228
3229 /* register a function 1 of PIIX3 */
3230 d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE",
3231 sizeof(PCIIDEState),
3232 devfn,
3233 NULL, NULL);
3234 d->type = IDE_TYPE_PIIX3;
3235
3236 pci_conf = d->dev.config;
3237 pci_conf[0x00] = 0x86; // Intel
3238 pci_conf[0x01] = 0x80;
3239 pci_conf[0x02] = 0x10;
3240 pci_conf[0x03] = 0x70;
3241 pci_conf[0x09] = 0x80; // legacy ATA mode
3242 pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE
3243 pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage
3244 pci_conf[0x0e] = 0x00; // header_type
3245
3246 qemu_register_reset(piix3_reset, d);
3247 piix3_reset(d);
3248
3249 pci_register_io_region((PCIDevice *)d, 4, 0x10,
3250 PCI_ADDRESS_SPACE_IO, bmdma_map);
3251
3252 ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]);
3253 ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]);
3254 ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
3255 ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
3256
3257 register_savevm("ide", 0, 1, pci_ide_save, pci_ide_load, d);
3258 }
3259
3260 /* hd_table must contain 4 block drivers */
3261 /* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */
3262 void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn,
3263 qemu_irq *pic)
3264 {
3265 PCIIDEState *d;
3266 uint8_t *pci_conf;
3267
3268 /* register a function 1 of PIIX4 */
3269 d = (PCIIDEState *)pci_register_device(bus, "PIIX4 IDE",
3270 sizeof(PCIIDEState),
3271 devfn,
3272 NULL, NULL);
3273 d->type = IDE_TYPE_PIIX4;
3274
3275 pci_conf = d->dev.config;
3276 pci_conf[0x00] = 0x86; // Intel
3277 pci_conf[0x01] = 0x80;
3278 pci_conf[0x02] = 0x11;
3279 pci_conf[0x03] = 0x71;
3280 pci_conf[0x09] = 0x80; // legacy ATA mode
3281 pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE
3282 pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage
3283 pci_conf[0x0e] = 0x00; // header_type
3284
3285 qemu_register_reset(piix3_reset, d);
3286 piix3_reset(d);
3287
3288 pci_register_io_region((PCIDevice *)d, 4, 0x10,
3289 PCI_ADDRESS_SPACE_IO, bmdma_map);
3290
3291 ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]);
3292 ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]);
3293 ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
3294 ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
3295
3296 register_savevm("ide", 0, 1, pci_ide_save, pci_ide_load, d);
3297 }
3298
3299 /***********************************************************/
3300 /* MacIO based PowerPC IDE */
3301
3302 /* PowerMac IDE memory IO */
3303 static void pmac_ide_writeb (void *opaque,
3304 target_phys_addr_t addr, uint32_t val)
3305 {
3306 addr = (addr & 0xFFF) >> 4;
3307 switch (addr) {
3308 case 1 ... 7:
3309 ide_ioport_write(opaque, addr, val);
3310 break;
3311 case 8:
3312 case 22:
3313 ide_cmd_write(opaque, 0, val);
3314 break;
3315 default:
3316 break;
3317 }
3318 }
3319
3320 static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr)
3321 {
3322 uint8_t retval;
3323
3324 addr = (addr & 0xFFF) >> 4;
3325 switch (addr) {
3326 case 1 ... 7:
3327 retval = ide_ioport_read(opaque, addr);
3328 break;
3329 case 8:
3330 case 22:
3331 retval = ide_status_read(opaque, 0);
3332 break;
3333 default:
3334 retval = 0xFF;
3335 break;
3336 }
3337 return retval;
3338 }
3339
3340 static void pmac_ide_writew (void *opaque,
3341 target_phys_addr_t addr, uint32_t val)
3342 {
3343 addr = (addr & 0xFFF) >> 4;
3344 #ifdef TARGET_WORDS_BIGENDIAN
3345 val = bswap16(val);
3346 #endif
3347 if (addr == 0) {
3348 ide_data_writew(opaque, 0, val);
3349 }
3350 }
3351
3352 static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr)
3353 {
3354 uint16_t retval;
3355
3356 addr = (addr & 0xFFF) >> 4;
3357 if (addr == 0) {
3358 retval = ide_data_readw(opaque, 0);
3359 } else {
3360 retval = 0xFFFF;
3361 }
3362 #ifdef TARGET_WORDS_BIGENDIAN
3363 retval = bswap16(retval);
3364 #endif
3365 return retval;
3366 }
3367
3368 static void pmac_ide_writel (void *opaque,
3369 target_phys_addr_t addr, uint32_t val)
3370 {
3371 addr = (addr & 0xFFF) >> 4;
3372 #ifdef TARGET_WORDS_BIGENDIAN
3373 val = bswap32(val);
3374 #endif
3375 if (addr == 0) {
3376 ide_data_writel(opaque, 0, val);
3377 }
3378 }
3379
3380 static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr)
3381 {
3382 uint32_t retval;
3383
3384 addr = (addr & 0xFFF) >> 4;
3385 if (addr == 0) {
3386 retval = ide_data_readl(opaque, 0);
3387 } else {
3388 retval = 0xFFFFFFFF;
3389 }
3390 #ifdef TARGET_WORDS_BIGENDIAN
3391 retval = bswap32(retval);
3392 #endif
3393 return retval;
3394 }
3395
3396 static CPUWriteMemoryFunc *pmac_ide_write[] = {
3397 pmac_ide_writeb,
3398 pmac_ide_writew,
3399 pmac_ide_writel,
3400 };
3401
3402 static CPUReadMemoryFunc *pmac_ide_read[] = {
3403 pmac_ide_readb,
3404 pmac_ide_readw,
3405 pmac_ide_readl,
3406 };
3407
3408 /* hd_table must contain 4 block drivers */
3409 /* PowerMac uses memory mapped registers, not I/O. Return the memory
3410 I/O index to access the ide. */
3411 int pmac_ide_init (BlockDriverState **hd_table, qemu_irq irq)
3412 {
3413 IDEState *ide_if;
3414 int pmac_ide_memory;
3415
3416 ide_if = qemu_mallocz(sizeof(IDEState) * 2);
3417 ide_init2(&ide_if[0], hd_table[0], hd_table[1], irq);
3418
3419 pmac_ide_memory = cpu_register_io_memory(0, pmac_ide_read,
3420 pmac_ide_write, &ide_if[0]);
3421 return pmac_ide_memory;
3422 }
3423
3424 /***********************************************************/
3425 /* MMIO based ide port
3426 * This emulates IDE device connected directly to the CPU bus without
3427 * dedicated ide controller, which is often seen on embedded boards.
3428 */
3429
3430 typedef struct {
3431 void *dev;
3432 int shift;
3433 } MMIOState;
3434
3435 static uint32_t mmio_ide_read (void *opaque, target_phys_addr_t addr)
3436 {
3437 MMIOState *s = (MMIOState*)opaque;
3438 IDEState *ide = (IDEState*)s->dev;
3439 addr >>= s->shift;
3440 if (addr & 7)
3441 return ide_ioport_read(ide, addr);
3442 else
3443 return ide_data_readw(ide, 0);
3444 }
3445
3446 static void mmio_ide_write (void *opaque, target_phys_addr_t addr,
3447 uint32_t val)
3448 {
3449 MMIOState *s = (MMIOState*)opaque;
3450 IDEState *ide = (IDEState*)s->dev;
3451 addr >>= s->shift;
3452 if (addr & 7)
3453 ide_ioport_write(ide, addr, val);
3454 else
3455 ide_data_writew(ide, 0, val);
3456 }
3457
3458 static CPUReadMemoryFunc *mmio_ide_reads[] = {
3459 mmio_ide_read,
3460 mmio_ide_read,
3461 mmio_ide_read,
3462 };
3463
3464 static CPUWriteMemoryFunc *mmio_ide_writes[] = {
3465 mmio_ide_write,
3466 mmio_ide_write,
3467 mmio_ide_write,
3468 };
3469
3470 static uint32_t mmio_ide_status_read (void *opaque, target_phys_addr_t addr)
3471 {
3472 MMIOState *s= (MMIOState*)opaque;
3473 IDEState *ide = (IDEState*)s->dev;
3474 return ide_status_read(ide, 0);
3475 }
3476
3477 static void mmio_ide_cmd_write (void *opaque, target_phys_addr_t addr,
3478 uint32_t val)
3479 {
3480 MMIOState *s = (MMIOState*)opaque;
3481 IDEState *ide = (IDEState*)s->dev;
3482 ide_cmd_write(ide, 0, val);
3483 }
3484
3485 static CPUReadMemoryFunc *mmio_ide_status[] = {
3486 mmio_ide_status_read,
3487 mmio_ide_status_read,
3488 mmio_ide_status_read,
3489 };
3490
3491 static CPUWriteMemoryFunc *mmio_ide_cmd[] = {
3492 mmio_ide_cmd_write,
3493 mmio_ide_cmd_write,
3494 mmio_ide_cmd_write,
3495 };
3496
3497 void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2,
3498 qemu_irq irq, int shift,
3499 BlockDriverState *hd0, BlockDriverState *hd1)
3500 {
3501 MMIOState *s = qemu_mallocz(sizeof(MMIOState));
3502 IDEState *ide = qemu_mallocz(sizeof(IDEState) * 2);
3503 int mem1, mem2;
3504
3505 ide_init2(ide, hd0, hd1, irq);
3506
3507 s->dev = ide;
3508 s->shift = shift;
3509
3510 mem1 = cpu_register_io_memory(0, mmio_ide_reads, mmio_ide_writes, s);
3511 mem2 = cpu_register_io_memory(0, mmio_ide_status, mmio_ide_cmd, s);
3512 cpu_register_physical_memory(membase, 16 << shift, mem1);
3513 cpu_register_physical_memory(membase2, 2 << shift, mem2);
3514 }
3515
3516 /***********************************************************/
3517 /* CF-ATA Microdrive */
3518
3519 #define METADATA_SIZE 0x20
3520
3521 /* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */
3522 struct md_s {
3523 IDEState ide[2];
3524 struct pcmcia_card_s card;
3525 uint32_t attr_base;
3526 uint32_t io_base;
3527
3528 /* Card state */
3529 uint8_t opt;
3530 uint8_t stat;
3531 uint8_t pins;
3532
3533 uint8_t ctrl;
3534 uint16_t io;
3535 int cycle;
3536 };
3537
3538 /* Register bitfields */
3539 enum md_opt {
3540 OPT_MODE_MMAP = 0,
3541 OPT_MODE_IOMAP16 = 1,
3542 OPT_MODE_IOMAP1 = 2,
3543 OPT_MODE_IOMAP2 = 3,
3544 OPT_MODE = 0x3f,
3545 OPT_LEVIREQ = 0x40,
3546 OPT_SRESET = 0x80,
3547 };
3548 enum md_cstat {
3549 STAT_INT = 0x02,
3550 STAT_PWRDWN = 0x04,
3551 STAT_XE = 0x10,
3552 STAT_IOIS8 = 0x20,
3553 STAT_SIGCHG = 0x40,
3554 STAT_CHANGED = 0x80,
3555 };
3556 enum md_pins {
3557 PINS_MRDY = 0x02,
3558 PINS_CRDY = 0x20,
3559 };
3560 enum md_ctrl {
3561 CTRL_IEN = 0x02,
3562 CTRL_SRST = 0x04,
3563 };
3564
3565 static inline void md_interrupt_update(struct md_s *s)
3566 {
3567 if (!s->card.slot)
3568 return;
3569
3570 qemu_set_irq(s->card.slot->irq,
3571 !(s->stat & STAT_INT) && /* Inverted */
3572 !(s->ctrl & (CTRL_IEN | CTRL_SRST)) &&
3573 !(s->opt & OPT_SRESET));
3574 }
3575
3576 static void md_set_irq(void *opaque, int irq, int level)
3577 {
3578 struct md_s *s = (struct md_s *) opaque;
3579 if (level)
3580 s->stat |= STAT_INT;
3581 else
3582 s->stat &= ~STAT_INT;
3583
3584 md_interrupt_update(s);
3585 }
3586
3587 static void md_reset(struct md_s *s)
3588 {
3589 s->opt = OPT_MODE_MMAP;
3590 s->stat = 0;
3591 s->pins = 0;
3592 s->cycle = 0;
3593 s->ctrl = 0;
3594 ide_reset(s->ide);
3595 }
3596
3597 static uint8_t md_attr_read(void *opaque, uint32_t at)
3598 {
3599 struct md_s *s = (struct md_s *) opaque;
3600 if (at < s->attr_base) {
3601 if (at < s->card.cis_len)
3602 return s->card.cis[at];
3603 else
3604 return 0x00;
3605 }
3606
3607 at -= s->attr_base;
3608
3609 switch (at) {
3610 case 0x00: /* Configuration Option Register */
3611 return s->opt;
3612 case 0x02: /* Card Configuration Status Register */
3613 if (s->ctrl & CTRL_IEN)
3614 return s->stat & ~STAT_INT;
3615 else
3616 return s->stat;
3617 case 0x04: /* Pin Replacement Register */
3618 return (s->pins & PINS_CRDY) | 0x0c;
3619 case 0x06: /* Socket and Copy Register */
3620 return 0x00;
3621 #ifdef VERBOSE
3622 default:
3623 printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
3624 #endif
3625 }
3626
3627 return 0;
3628 }
3629
3630 static void md_attr_write(void *opaque, uint32_t at, uint8_t value)
3631 {
3632 struct md_s *s = (struct md_s *) opaque;
3633 at -= s->attr_base;
3634
3635 switch (at) {
3636 case 0x00: /* Configuration Option Register */
3637 s->opt = value & 0xcf;
3638 if (value & OPT_SRESET)
3639 md_reset(s);
3640 md_interrupt_update(s);
3641 break;
3642 case 0x02: /* Card Configuration Status Register */
3643 if ((s->stat ^ value) & STAT_PWRDWN)
3644 s->pins |= PINS_CRDY;
3645 s->stat &= 0x82;
3646 s->stat |= value & 0x74;
3647 md_interrupt_update(s);
3648 /* Word 170 in Identify Device must be equal to STAT_XE */
3649 break;
3650 case 0x04: /* Pin Replacement Register */
3651 s->pins &= PINS_CRDY;
3652 s->pins |= value & PINS_MRDY;
3653 break;
3654 case 0x06: /* Socket and Copy Register */
3655 break;
3656 default:
3657 printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
3658 }
3659 }
3660
3661 static uint16_t md_common_read(void *opaque, uint32_t at)
3662 {
3663 struct md_s *s = (struct md_s *) opaque;
3664 uint16_t ret;
3665 at -= s->io_base;
3666
3667 switch (s->opt & OPT_MODE) {
3668 case OPT_MODE_MMAP:
3669 if ((at & ~0x3ff) == 0x400)
3670 at = 0;
3671 break;
3672 case OPT_MODE_IOMAP16:
3673 at &= 0xf;
3674 break;
3675 case OPT_MODE_IOMAP1:
3676 if ((at & ~0xf) == 0x3f0)
3677 at -= 0x3e8;
3678 else if ((at & ~0xf) == 0x1f0)
3679 at -= 0x1f0;
3680 break;
3681 case OPT_MODE_IOMAP2:
3682 if ((at & ~0xf) == 0x370)
3683 at -= 0x368;
3684 else if ((at & ~0xf) == 0x170)
3685 at -= 0x170;
3686 }
3687
3688 switch (at) {
3689 case 0x0: /* Even RD Data */
3690 case 0x8:
3691 return ide_data_readw(s->ide, 0);
3692
3693 /* TODO: 8-bit accesses */
3694 if (s->cycle)
3695 ret = s->io >> 8;
3696 else {
3697 s->io = ide_data_readw(s->ide, 0);
3698 ret = s->io & 0xff;
3699 }
3700 s->cycle = !s->cycle;
3701 return ret;
3702 case 0x9: /* Odd RD Data */
3703 return s->io >> 8;
3704 case 0xd: /* Error */
3705 return ide_ioport_read(s->ide, 0x1);
3706 case 0xe: /* Alternate Status */
3707 if (s->ide->cur_drive->bs)
3708 return s->ide->cur_drive->status;
3709 else
3710 return 0;
3711 case 0xf: /* Device Address */
3712 return 0xc2 | ((~s->ide->select << 2) & 0x3c);
3713 default:
3714 return ide_ioport_read(s->ide, at);
3715 }
3716
3717 return 0;
3718 }
3719
3720 static void md_common_write(void *opaque, uint32_t at, uint16_t value)
3721 {
3722 struct md_s *s = (struct md_s *) opaque;
3723 at -= s->io_base;
3724
3725 switch (s->opt & OPT_MODE) {
3726 case OPT_MODE_MMAP:
3727 if ((at & ~0x3ff) == 0x400)
3728 at = 0;
3729 break;
3730 case OPT_MODE_IOMAP16:
3731 at &= 0xf;
3732 break;
3733 case OPT_MODE_IOMAP1:
3734 if ((at & ~0xf) == 0x3f0)
3735 at -= 0x3e8;
3736 else if ((at & ~0xf) == 0x1f0)
3737 at -= 0x1f0;
3738 break;
3739 case OPT_MODE_IOMAP2:
3740 if ((at & ~0xf) == 0x370)
3741 at -= 0x368;
3742 else if ((at & ~0xf) == 0x170)
3743 at -= 0x170;
3744 }
3745
3746 switch (at) {
3747 case 0x0: /* Even WR Data */
3748 case 0x8:
3749 ide_data_writew(s->ide, 0, value);
3750 break;
3751
3752 /* TODO: 8-bit accesses */
3753 if (s->cycle)
3754 ide_data_writew(s->ide, 0, s->io | (value << 8));
3755 else
3756 s->io = value & 0xff;
3757 s->cycle = !s->cycle;
3758 break;
3759 case 0x9:
3760 s->io = value & 0xff;
3761 s->cycle = !s->cycle;
3762 break;
3763 case 0xd: /* Features */
3764 ide_ioport_write(s->ide, 0x1, value);
3765 break;
3766 case 0xe: /* Device Control */
3767 s->ctrl = value;
3768 if (value & CTRL_SRST)
3769 md_reset(s);
3770 md_interrupt_update(s);
3771 break;
3772 default:
3773 if (s->stat & STAT_PWRDWN) {
3774 s->pins |= PINS_CRDY;
3775 s->stat &= ~STAT_PWRDWN;
3776 }
3777 ide_ioport_write(s->ide, at, value);
3778 }
3779 }
3780
3781 static void md_save(QEMUFile *f, void *opaque)
3782 {
3783 struct md_s *s = (struct md_s *) opaque;
3784 int i;
3785 uint8_t drive1_selected;
3786
3787 qemu_put_8s(f, &s->opt);
3788 qemu_put_8s(f, &s->stat);
3789 qemu_put_8s(f, &s->pins);
3790
3791 qemu_put_8s(f, &s->ctrl);
3792 qemu_put_be16s(f, &s->io);
3793 qemu_put_byte(f, s->cycle);
3794
3795 drive1_selected = (s->ide->cur_drive != s->ide);
3796 qemu_put_8s(f, &s->ide->cmd);
3797 qemu_put_8s(f, &drive1_selected);
3798
3799 for (i = 0; i < 2; i ++)
3800 ide_save(f, &s->ide[i]);
3801 }
3802
3803 static int md_load(QEMUFile *f, void *opaque, int version_id)
3804 {
3805 struct md_s *s = (struct md_s *) opaque;
3806 int i;
3807 uint8_t drive1_selected;
3808
3809 qemu_get_8s(f, &s->opt);
3810 qemu_get_8s(f, &s->stat);
3811 qemu_get_8s(f, &s->pins);
3812
3813 qemu_get_8s(f, &s->ctrl);
3814 qemu_get_be16s(f, &s->io);
3815 s->cycle = qemu_get_byte(f);
3816
3817 qemu_get_8s(f, &s->ide->cmd);
3818 qemu_get_8s(f, &drive1_selected);
3819 s->ide->cur_drive = &s->ide[(drive1_selected != 0)];
3820
3821 for (i = 0; i < 2; i ++)
3822 ide_load(f, &s->ide[i]);
3823
3824 return 0;
3825 }
3826
3827 static const uint8_t dscm1xxxx_cis[0x14a] = {
3828 [0x000] = CISTPL_DEVICE, /* 5V Device Information */
3829 [0x002] = 0x03, /* Tuple length = 4 bytes */
3830 [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
3831 [0x006] = 0x01, /* Size = 2K bytes */
3832 [0x008] = CISTPL_ENDMARK,
3833
3834 [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */
3835 [0x00c] = 0x04, /* Tuple length = 4 byest */
3836 [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */
3837 [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
3838 [0x012] = 0x01, /* Size = 2K bytes */
3839 [0x014] = CISTPL_ENDMARK,
3840
3841 [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */
3842 [0x018] = 0x02, /* Tuple length = 2 bytes */
3843 [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */
3844 [0x01c] = 0x01,
3845
3846 [0x01e] = CISTPL_MANFID, /* Manufacture ID */
3847 [0x020] = 0x04, /* Tuple length = 4 bytes */
3848 [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */
3849 [0x024] = 0x00,
3850 [0x026] = 0x00, /* PLMID_CARD = 0000 */
3851 [0x028] = 0x00,
3852
3853 [0x02a] = CISTPL_VERS_1, /* Level 1 Version */
3854 [0x02c] = 0x12, /* Tuple length = 23 bytes */
3855 [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */
3856 [0x030] = 0x01, /* Minor Version = 1 */
3857 [0x032] = 'I',
3858 [0x034] = 'B',
3859 [0x036] = 'M',
3860 [0x038] = 0x00,
3861 [0x03a] = 'm',
3862 [0x03c] = 'i',
3863 [0x03e] = 'c',
3864 [0x040] = 'r',
3865 [0x042] = 'o',
3866 [0x044] = 'd',
3867 [0x046] = 'r',
3868 [0x048] = 'i',
3869 [0x04a] = 'v',
3870 [0x04c] = 'e',
3871 [0x04e] = 0x00,
3872 [0x050] = CISTPL_ENDMARK,
3873
3874 [0x052] = CISTPL_FUNCID, /* Function ID */
3875 [0x054] = 0x02, /* Tuple length = 2 bytes */
3876 [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */
3877 [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */
3878
3879 [0x05a] = CISTPL_FUNCE, /* Function Extension */
3880 [0x05c] = 0x02, /* Tuple length = 2 bytes */
3881 [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */
3882 [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */
3883
3884 [0x062] = CISTPL_FUNCE, /* Function Extension */
3885 [0x064] = 0x03, /* Tuple length = 3 bytes */
3886 [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */
3887 [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */
3888 [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */
3889
3890 [0x06c] = CISTPL_CONFIG, /* Configuration */
3891 [0x06e] = 0x05, /* Tuple length = 5 bytes */
3892 [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */
3893 [0x072] = 0x07, /* TPCC_LAST = 7 */
3894 [0x074] = 0x00, /* TPCC_RADR = 0200 */
3895 [0x076] = 0x02,
3896 [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */
3897
3898 [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3899 [0x07c] = 0x0b, /* Tuple length = 11 bytes */
3900 [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */
3901 [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */
3902 [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */
3903 [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
3904 [0x086] = 0x55, /* NomV: 5.0 V */
3905 [0x088] = 0x4d, /* MinV: 4.5 V */
3906 [0x08a] = 0x5d, /* MaxV: 5.5 V */
3907 [0x08c] = 0x4e, /* Peakl: 450 mA */
3908 [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */
3909 [0x090] = 0x00, /* Window descriptor: Window length = 0 */
3910 [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */
3911
3912 [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3913 [0x096] = 0x06, /* Tuple length = 6 bytes */
3914 [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */
3915 [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
3916 [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
3917 [0x09e] = 0xb5, /* NomV: 3.3 V */
3918 [0x0a0] = 0x1e,
3919 [0x0a2] = 0x3e, /* Peakl: 350 mA */
3920
3921 [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3922 [0x0a6] = 0x0d, /* Tuple length = 13 bytes */
3923 [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */
3924 [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
3925 [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
3926 [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
3927 [0x0b0] = 0x55, /* NomV: 5.0 V */
3928 [0x0b2] = 0x4d, /* MinV: 4.5 V */
3929 [0x0b4] = 0x5d, /* MaxV: 5.5 V */
3930 [0x0b6] = 0x4e, /* Peakl: 450 mA */
3931 [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */
3932 [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */
3933 [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */
3934 [0x0be] = 0xff, /* IRQ8..IRQ15 supported */
3935 [0x0c0] = 0x20, /* TPCE_MI = support power down mode */
3936
3937 [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3938 [0x0c4] = 0x06, /* Tuple length = 6 bytes */
3939 [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */
3940 [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
3941 [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
3942 [0x0cc] = 0xb5, /* NomV: 3.3 V */
3943 [0x0ce] = 0x1e,
3944 [0x0d0] = 0x3e, /* Peakl: 350 mA */
3945
3946 [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3947 [0x0d4] = 0x12, /* Tuple length = 18 bytes */
3948 [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */
3949 [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
3950 [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
3951 [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
3952 [0x0de] = 0x55, /* NomV: 5.0 V */
3953 [0x0e0] = 0x4d, /* MinV: 4.5 V */
3954 [0x0e2] = 0x5d, /* MaxV: 5.5 V */
3955 [0x0e4] = 0x4e, /* Peakl: 450 mA */
3956 [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */
3957 [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */
3958 [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */
3959 [0x0ec] = 0x01,
3960 [0x0ee] = 0x07, /* Address block length = 8 */
3961 [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */
3962 [0x0f2] = 0x03,
3963 [0x0f4] = 0x01, /* Address block length = 2 */
3964 [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */
3965 [0x0f8] = 0x20, /* TPCE_MI = support power down mode */
3966
3967 [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3968 [0x0fc] = 0x06, /* Tuple length = 6 bytes */
3969 [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */
3970 [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
3971 [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
3972 [0x104] = 0xb5, /* NomV: 3.3 V */
3973 [0x106] = 0x1e,
3974 [0x108] = 0x3e, /* Peakl: 350 mA */
3975
3976 [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3977 [0x10c] = 0x12, /* Tuple length = 18 bytes */
3978 [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */
3979 [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
3980 [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
3981 [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
3982 [0x116] = 0x55, /* NomV: 5.0 V */
3983 [0x118] = 0x4d, /* MinV: 4.5 V */
3984 [0x11a] = 0x5d, /* MaxV: 5.5 V */
3985 [0x11c] = 0x4e, /* Peakl: 450 mA */
3986 [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */
3987 [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */
3988 [0x122] = 0x70, /* Field 1 address = 0x0170 */
3989 [0x124] = 0x01,
3990 [0x126] = 0x07, /* Address block length = 8 */
3991 [0x128] = 0x76, /* Field 2 address = 0x0376 */
3992 [0x12a] = 0x03,
3993 [0x12c] = 0x01, /* Address block length = 2 */
3994 [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */
3995 [0x130] = 0x20, /* TPCE_MI = support power down mode */
3996
3997 [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
3998 [0x134] = 0x06, /* Tuple length = 6 bytes */
3999 [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */
4000 [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
4001 [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
4002 [0x13c] = 0xb5, /* NomV: 3.3 V */
4003 [0x13e] = 0x1e,
4004 [0x140] = 0x3e, /* Peakl: 350 mA */
4005
4006 [0x142] = CISTPL_NO_LINK, /* No Link */
4007 [0x144] = 0x00, /* Tuple length = 0 bytes */
4008
4009 [0x146] = CISTPL_END, /* Tuple End */
4010 };
4011
4012 static int dscm1xxxx_attach(void *opaque)
4013 {
4014 struct md_s *md = (struct md_s *) opaque;
4015 md->card.attr_read = md_attr_read;
4016 md->card.attr_write = md_attr_write;
4017 md->card.common_read = md_common_read;
4018 md->card.common_write = md_common_write;
4019 md->card.io_read = md_common_read;
4020 md->card.io_write = md_common_write;
4021
4022 md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8);
4023 md->io_base = 0x0;
4024
4025 md_reset(md);
4026 md_interrupt_update(md);
4027
4028 md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive";
4029 return 0;
4030 }
4031
4032 static int dscm1xxxx_detach(void *opaque)
4033 {
4034 struct md_s *md = (struct md_s *) opaque;
4035 md_reset(md);
4036 return 0;
4037 }
4038
4039 struct pcmcia_card_s *dscm1xxxx_init(BlockDriverState *bdrv)
4040 {
4041 struct md_s *md = (struct md_s *) qemu_mallocz(sizeof(struct md_s));
4042 md->card.state = md;
4043 md->card.attach = dscm1xxxx_attach;
4044 md->card.detach = dscm1xxxx_detach;
4045 md->card.cis = dscm1xxxx_cis;
4046 md->card.cis_len = sizeof(dscm1xxxx_cis);
4047
4048 ide_init2(md->ide, bdrv, 0, qemu_allocate_irqs(md_set_irq, md, 1)[0]);
4049 md->ide->is_cf = 1;
4050 md->ide->mdata_size = METADATA_SIZE;
4051 md->ide->mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE);
4052
4053 register_savevm("microdrive", -1, 0, md_save, md_load, md);
4054
4055 return &md->card;
4056 }
jz4740 based target emulation