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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/hw.h> | |
26 | #include <hw/pc.h> | |
27 | #include <hw/pci.h> | |
28 | #include <hw/isa.h> | |
29 | #include "qemu-error.h" | |
30 | #include "qemu-timer.h" | |
31 | #include "sysemu.h" | |
32 | #include "dma.h" | |
33 | #include "hw/block-common.h" | |
34 | #include "blockdev.h" | |
35 | ||
36 | #include <hw/ide/internal.h> | |
37 | ||
38 | /* These values were based on a Seagate ST3500418AS but have been modified | |
39 | to make more sense in QEMU */ | |
40 | static const int smart_attributes[][12] = { | |
41 | /* id, flags, hflags, val, wrst, raw (6 bytes), threshold */ | |
42 | /* raw read error rate*/ | |
43 | { 0x01, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06}, | |
44 | /* spin up */ | |
45 | { 0x03, 0x03, 0x00, 0x64, 0x64, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, | |
46 | /* start stop count */ | |
47 | { 0x04, 0x02, 0x00, 0x64, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14}, | |
48 | /* remapped sectors */ | |
49 | { 0x05, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24}, | |
50 | /* power on hours */ | |
51 | { 0x09, 0x03, 0x00, 0x64, 0x64, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, | |
52 | /* power cycle count */ | |
53 | { 0x0c, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, | |
54 | /* airflow-temperature-celsius */ | |
55 | { 190, 0x03, 0x00, 0x45, 0x45, 0x1f, 0x00, 0x1f, 0x1f, 0x00, 0x00, 0x32}, | |
56 | /* end of list */ | |
57 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} | |
58 | }; | |
59 | ||
60 | static int ide_handle_rw_error(IDEState *s, int error, int op); | |
61 | static void ide_dummy_transfer_stop(IDEState *s); | |
62 | ||
63 | static void padstr(char *str, const char *src, int len) | |
64 | { | |
65 | int i, v; | |
66 | for(i = 0; i < len; i++) { | |
67 | if (*src) | |
68 | v = *src++; | |
69 | else | |
70 | v = ' '; | |
71 | str[i^1] = v; | |
72 | } | |
73 | } | |
74 | ||
75 | static void put_le16(uint16_t *p, unsigned int v) | |
76 | { | |
77 | *p = cpu_to_le16(v); | |
78 | } | |
79 | ||
80 | static void ide_identify(IDEState *s) | |
81 | { | |
82 | uint16_t *p; | |
83 | unsigned int oldsize; | |
84 | IDEDevice *dev = s->unit ? s->bus->slave : s->bus->master; | |
85 | ||
86 | if (s->identify_set) { | |
87 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
88 | return; | |
89 | } | |
90 | ||
91 | memset(s->io_buffer, 0, 512); | |
92 | p = (uint16_t *)s->io_buffer; | |
93 | put_le16(p + 0, 0x0040); | |
94 | put_le16(p + 1, s->cylinders); | |
95 | put_le16(p + 3, s->heads); | |
96 | put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ | |
97 | put_le16(p + 5, 512); /* XXX: retired, remove ? */ | |
98 | put_le16(p + 6, s->sectors); | |
99 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ | |
100 | put_le16(p + 20, 3); /* XXX: retired, remove ? */ | |
101 | put_le16(p + 21, 512); /* cache size in sectors */ | |
102 | put_le16(p + 22, 4); /* ecc bytes */ | |
103 | padstr((char *)(p + 23), s->version, 8); /* firmware version */ | |
104 | padstr((char *)(p + 27), s->drive_model_str, 40); /* model */ | |
105 | #if MAX_MULT_SECTORS > 1 | |
106 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); | |
107 | #endif | |
108 | put_le16(p + 48, 1); /* dword I/O */ | |
109 | put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ | |
110 | put_le16(p + 51, 0x200); /* PIO transfer cycle */ | |
111 | put_le16(p + 52, 0x200); /* DMA transfer cycle */ | |
112 | put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ | |
113 | put_le16(p + 54, s->cylinders); | |
114 | put_le16(p + 55, s->heads); | |
115 | put_le16(p + 56, s->sectors); | |
116 | oldsize = s->cylinders * s->heads * s->sectors; | |
117 | put_le16(p + 57, oldsize); | |
118 | put_le16(p + 58, oldsize >> 16); | |
119 | if (s->mult_sectors) | |
120 | put_le16(p + 59, 0x100 | s->mult_sectors); | |
121 | put_le16(p + 60, s->nb_sectors); | |
122 | put_le16(p + 61, s->nb_sectors >> 16); | |
123 | put_le16(p + 62, 0x07); /* single word dma0-2 supported */ | |
124 | put_le16(p + 63, 0x07); /* mdma0-2 supported */ | |
125 | put_le16(p + 64, 0x03); /* pio3-4 supported */ | |
126 | put_le16(p + 65, 120); | |
127 | put_le16(p + 66, 120); | |
128 | put_le16(p + 67, 120); | |
129 | put_le16(p + 68, 120); | |
130 | if (dev && dev->conf.discard_granularity) { | |
131 | put_le16(p + 69, (1 << 14)); /* determinate TRIM behavior */ | |
132 | } | |
133 | ||
134 | if (s->ncq_queues) { | |
135 | put_le16(p + 75, s->ncq_queues - 1); | |
136 | /* NCQ supported */ | |
137 | put_le16(p + 76, (1 << 8)); | |
138 | } | |
139 | ||
140 | put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ | |
141 | put_le16(p + 81, 0x16); /* conforms to ata5 */ | |
142 | /* 14=NOP supported, 5=WCACHE supported, 0=SMART supported */ | |
143 | put_le16(p + 82, (1 << 14) | (1 << 5) | 1); | |
144 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ | |
145 | put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); | |
146 | /* 14=set to 1, 8=has WWN, 1=SMART self test, 0=SMART error logging */ | |
147 | if (s->wwn) { | |
148 | put_le16(p + 84, (1 << 14) | (1 << 8) | 0); | |
149 | } else { | |
150 | put_le16(p + 84, (1 << 14) | 0); | |
151 | } | |
152 | /* 14 = NOP supported, 5=WCACHE enabled, 0=SMART feature set enabled */ | |
153 | if (bdrv_enable_write_cache(s->bs)) | |
154 | put_le16(p + 85, (1 << 14) | (1 << 5) | 1); | |
155 | else | |
156 | put_le16(p + 85, (1 << 14) | 1); | |
157 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ | |
158 | put_le16(p + 86, (1 << 13) | (1 <<12) | (1 << 10)); | |
159 | /* 14=set to 1, 8=has WWN, 1=SMART self test, 0=SMART error logging */ | |
160 | if (s->wwn) { | |
161 | put_le16(p + 87, (1 << 14) | (1 << 8) | 0); | |
162 | } else { | |
163 | put_le16(p + 87, (1 << 14) | 0); | |
164 | } | |
165 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ | |
166 | put_le16(p + 93, 1 | (1 << 14) | 0x2000); | |
167 | put_le16(p + 100, s->nb_sectors); | |
168 | put_le16(p + 101, s->nb_sectors >> 16); | |
169 | put_le16(p + 102, s->nb_sectors >> 32); | |
170 | put_le16(p + 103, s->nb_sectors >> 48); | |
171 | ||
172 | if (dev && dev->conf.physical_block_size) | |
173 | put_le16(p + 106, 0x6000 | get_physical_block_exp(&dev->conf)); | |
174 | if (s->wwn) { | |
175 | /* LE 16-bit words 111-108 contain 64-bit World Wide Name */ | |
176 | put_le16(p + 108, s->wwn >> 48); | |
177 | put_le16(p + 109, s->wwn >> 32); | |
178 | put_le16(p + 110, s->wwn >> 16); | |
179 | put_le16(p + 111, s->wwn); | |
180 | } | |
181 | if (dev && dev->conf.discard_granularity) { | |
182 | put_le16(p + 169, 1); /* TRIM support */ | |
183 | } | |
184 | ||
185 | memcpy(s->identify_data, p, sizeof(s->identify_data)); | |
186 | s->identify_set = 1; | |
187 | } | |
188 | ||
189 | static void ide_atapi_identify(IDEState *s) | |
190 | { | |
191 | uint16_t *p; | |
192 | ||
193 | if (s->identify_set) { | |
194 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
195 | return; | |
196 | } | |
197 | ||
198 | memset(s->io_buffer, 0, 512); | |
199 | p = (uint16_t *)s->io_buffer; | |
200 | /* Removable CDROM, 50us response, 12 byte packets */ | |
201 | put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); | |
202 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ | |
203 | put_le16(p + 20, 3); /* buffer type */ | |
204 | put_le16(p + 21, 512); /* cache size in sectors */ | |
205 | put_le16(p + 22, 4); /* ecc bytes */ | |
206 | padstr((char *)(p + 23), s->version, 8); /* firmware version */ | |
207 | padstr((char *)(p + 27), s->drive_model_str, 40); /* model */ | |
208 | put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ | |
209 | #ifdef USE_DMA_CDROM | |
210 | put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ | |
211 | put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ | |
212 | put_le16(p + 62, 7); /* single word dma0-2 supported */ | |
213 | put_le16(p + 63, 7); /* mdma0-2 supported */ | |
214 | #else | |
215 | put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ | |
216 | put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ | |
217 | put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ | |
218 | #endif | |
219 | put_le16(p + 64, 3); /* pio3-4 supported */ | |
220 | put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ | |
221 | put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ | |
222 | put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ | |
223 | put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ | |
224 | ||
225 | put_le16(p + 71, 30); /* in ns */ | |
226 | put_le16(p + 72, 30); /* in ns */ | |
227 | ||
228 | if (s->ncq_queues) { | |
229 | put_le16(p + 75, s->ncq_queues - 1); | |
230 | /* NCQ supported */ | |
231 | put_le16(p + 76, (1 << 8)); | |
232 | } | |
233 | ||
234 | put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ | |
235 | #ifdef USE_DMA_CDROM | |
236 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ | |
237 | #endif | |
238 | memcpy(s->identify_data, p, sizeof(s->identify_data)); | |
239 | s->identify_set = 1; | |
240 | } | |
241 | ||
242 | static void ide_cfata_identify(IDEState *s) | |
243 | { | |
244 | uint16_t *p; | |
245 | uint32_t cur_sec; | |
246 | ||
247 | p = (uint16_t *) s->identify_data; | |
248 | if (s->identify_set) | |
249 | goto fill_buffer; | |
250 | ||
251 | memset(p, 0, sizeof(s->identify_data)); | |
252 | ||
253 | cur_sec = s->cylinders * s->heads * s->sectors; | |
254 | ||
255 | put_le16(p + 0, 0x848a); /* CF Storage Card signature */ | |
256 | put_le16(p + 1, s->cylinders); /* Default cylinders */ | |
257 | put_le16(p + 3, s->heads); /* Default heads */ | |
258 | put_le16(p + 6, s->sectors); /* Default sectors per track */ | |
259 | put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ | |
260 | put_le16(p + 8, s->nb_sectors); /* Sectors per card */ | |
261 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ | |
262 | put_le16(p + 22, 0x0004); /* ECC bytes */ | |
263 | padstr((char *) (p + 23), s->version, 8); /* Firmware Revision */ | |
264 | padstr((char *) (p + 27), s->drive_model_str, 40);/* Model number */ | |
265 | #if MAX_MULT_SECTORS > 1 | |
266 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); | |
267 | #else | |
268 | put_le16(p + 47, 0x0000); | |
269 | #endif | |
270 | put_le16(p + 49, 0x0f00); /* Capabilities */ | |
271 | put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ | |
272 | put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ | |
273 | put_le16(p + 53, 0x0003); /* Translation params valid */ | |
274 | put_le16(p + 54, s->cylinders); /* Current cylinders */ | |
275 | put_le16(p + 55, s->heads); /* Current heads */ | |
276 | put_le16(p + 56, s->sectors); /* Current sectors */ | |
277 | put_le16(p + 57, cur_sec); /* Current capacity */ | |
278 | put_le16(p + 58, cur_sec >> 16); /* Current capacity */ | |
279 | if (s->mult_sectors) /* Multiple sector setting */ | |
280 | put_le16(p + 59, 0x100 | s->mult_sectors); | |
281 | put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ | |
282 | put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ | |
283 | put_le16(p + 63, 0x0203); /* Multiword DMA capability */ | |
284 | put_le16(p + 64, 0x0001); /* Flow Control PIO support */ | |
285 | put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ | |
286 | put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ | |
287 | put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ | |
288 | put_le16(p + 82, 0x400c); /* Command Set supported */ | |
289 | put_le16(p + 83, 0x7068); /* Command Set supported */ | |
290 | put_le16(p + 84, 0x4000); /* Features supported */ | |
291 | put_le16(p + 85, 0x000c); /* Command Set enabled */ | |
292 | put_le16(p + 86, 0x7044); /* Command Set enabled */ | |
293 | put_le16(p + 87, 0x4000); /* Features enabled */ | |
294 | put_le16(p + 91, 0x4060); /* Current APM level */ | |
295 | put_le16(p + 129, 0x0002); /* Current features option */ | |
296 | put_le16(p + 130, 0x0005); /* Reassigned sectors */ | |
297 | put_le16(p + 131, 0x0001); /* Initial power mode */ | |
298 | put_le16(p + 132, 0x0000); /* User signature */ | |
299 | put_le16(p + 160, 0x8100); /* Power requirement */ | |
300 | put_le16(p + 161, 0x8001); /* CF command set */ | |
301 | ||
302 | s->identify_set = 1; | |
303 | ||
304 | fill_buffer: | |
305 | memcpy(s->io_buffer, p, sizeof(s->identify_data)); | |
306 | } | |
307 | ||
308 | static void ide_set_signature(IDEState *s) | |
309 | { | |
310 | s->select &= 0xf0; /* clear head */ | |
311 | /* put signature */ | |
312 | s->nsector = 1; | |
313 | s->sector = 1; | |
314 | if (s->drive_kind == IDE_CD) { | |
315 | s->lcyl = 0x14; | |
316 | s->hcyl = 0xeb; | |
317 | } else if (s->bs) { | |
318 | s->lcyl = 0; | |
319 | s->hcyl = 0; | |
320 | } else { | |
321 | s->lcyl = 0xff; | |
322 | s->hcyl = 0xff; | |
323 | } | |
324 | } | |
325 | ||
326 | typedef struct TrimAIOCB { | |
327 | BlockDriverAIOCB common; | |
328 | QEMUBH *bh; | |
329 | int ret; | |
330 | } TrimAIOCB; | |
331 | ||
332 | static void trim_aio_cancel(BlockDriverAIOCB *acb) | |
333 | { | |
334 | TrimAIOCB *iocb = container_of(acb, TrimAIOCB, common); | |
335 | ||
336 | qemu_bh_delete(iocb->bh); | |
337 | iocb->bh = NULL; | |
338 | qemu_aio_release(iocb); | |
339 | } | |
340 | ||
341 | static AIOPool trim_aio_pool = { | |
342 | .aiocb_size = sizeof(TrimAIOCB), | |
343 | .cancel = trim_aio_cancel, | |
344 | }; | |
345 | ||
346 | static void ide_trim_bh_cb(void *opaque) | |
347 | { | |
348 | TrimAIOCB *iocb = opaque; | |
349 | ||
350 | iocb->common.cb(iocb->common.opaque, iocb->ret); | |
351 | ||
352 | qemu_bh_delete(iocb->bh); | |
353 | iocb->bh = NULL; | |
354 | ||
355 | qemu_aio_release(iocb); | |
356 | } | |
357 | ||
358 | BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs, | |
359 | int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, | |
360 | BlockDriverCompletionFunc *cb, void *opaque) | |
361 | { | |
362 | TrimAIOCB *iocb; | |
363 | int i, j, ret; | |
364 | ||
365 | iocb = qemu_aio_get(&trim_aio_pool, bs, cb, opaque); | |
366 | iocb->bh = qemu_bh_new(ide_trim_bh_cb, iocb); | |
367 | iocb->ret = 0; | |
368 | ||
369 | for (j = 0; j < qiov->niov; j++) { | |
370 | uint64_t *buffer = qiov->iov[j].iov_base; | |
371 | ||
372 | for (i = 0; i < qiov->iov[j].iov_len / 8; i++) { | |
373 | /* 6-byte LBA + 2-byte range per entry */ | |
374 | uint64_t entry = le64_to_cpu(buffer[i]); | |
375 | uint64_t sector = entry & 0x0000ffffffffffffULL; | |
376 | uint16_t count = entry >> 48; | |
377 | ||
378 | if (count == 0) { | |
379 | break; | |
380 | } | |
381 | ||
382 | ret = bdrv_discard(bs, sector, count); | |
383 | if (!iocb->ret) { | |
384 | iocb->ret = ret; | |
385 | } | |
386 | } | |
387 | } | |
388 | ||
389 | qemu_bh_schedule(iocb->bh); | |
390 | ||
391 | return &iocb->common; | |
392 | } | |
393 | ||
394 | static inline void ide_abort_command(IDEState *s) | |
395 | { | |
396 | s->status = READY_STAT | ERR_STAT; | |
397 | s->error = ABRT_ERR; | |
398 | } | |
399 | ||
400 | /* prepare data transfer and tell what to do after */ | |
401 | void ide_transfer_start(IDEState *s, uint8_t *buf, int size, | |
402 | EndTransferFunc *end_transfer_func) | |
403 | { | |
404 | s->end_transfer_func = end_transfer_func; | |
405 | s->data_ptr = buf; | |
406 | s->data_end = buf + size; | |
407 | if (!(s->status & ERR_STAT)) { | |
408 | s->status |= DRQ_STAT; | |
409 | } | |
410 | s->bus->dma->ops->start_transfer(s->bus->dma); | |
411 | } | |
412 | ||
413 | void ide_transfer_stop(IDEState *s) | |
414 | { | |
415 | s->end_transfer_func = ide_transfer_stop; | |
416 | s->data_ptr = s->io_buffer; | |
417 | s->data_end = s->io_buffer; | |
418 | s->status &= ~DRQ_STAT; | |
419 | } | |
420 | ||
421 | int64_t ide_get_sector(IDEState *s) | |
422 | { | |
423 | int64_t sector_num; | |
424 | if (s->select & 0x40) { | |
425 | /* lba */ | |
426 | if (!s->lba48) { | |
427 | sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | | |
428 | (s->lcyl << 8) | s->sector; | |
429 | } else { | |
430 | sector_num = ((int64_t)s->hob_hcyl << 40) | | |
431 | ((int64_t) s->hob_lcyl << 32) | | |
432 | ((int64_t) s->hob_sector << 24) | | |
433 | ((int64_t) s->hcyl << 16) | | |
434 | ((int64_t) s->lcyl << 8) | s->sector; | |
435 | } | |
436 | } else { | |
437 | sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + | |
438 | (s->select & 0x0f) * s->sectors + (s->sector - 1); | |
439 | } | |
440 | return sector_num; | |
441 | } | |
442 | ||
443 | void ide_set_sector(IDEState *s, int64_t sector_num) | |
444 | { | |
445 | unsigned int cyl, r; | |
446 | if (s->select & 0x40) { | |
447 | if (!s->lba48) { | |
448 | s->select = (s->select & 0xf0) | (sector_num >> 24); | |
449 | s->hcyl = (sector_num >> 16); | |
450 | s->lcyl = (sector_num >> 8); | |
451 | s->sector = (sector_num); | |
452 | } else { | |
453 | s->sector = sector_num; | |
454 | s->lcyl = sector_num >> 8; | |
455 | s->hcyl = sector_num >> 16; | |
456 | s->hob_sector = sector_num >> 24; | |
457 | s->hob_lcyl = sector_num >> 32; | |
458 | s->hob_hcyl = sector_num >> 40; | |
459 | } | |
460 | } else { | |
461 | cyl = sector_num / (s->heads * s->sectors); | |
462 | r = sector_num % (s->heads * s->sectors); | |
463 | s->hcyl = cyl >> 8; | |
464 | s->lcyl = cyl; | |
465 | s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); | |
466 | s->sector = (r % s->sectors) + 1; | |
467 | } | |
468 | } | |
469 | ||
470 | static void ide_rw_error(IDEState *s) { | |
471 | ide_abort_command(s); | |
472 | ide_set_irq(s->bus); | |
473 | } | |
474 | ||
475 | static void ide_sector_read_cb(void *opaque, int ret) | |
476 | { | |
477 | IDEState *s = opaque; | |
478 | int n; | |
479 | ||
480 | s->pio_aiocb = NULL; | |
481 | s->status &= ~BUSY_STAT; | |
482 | ||
483 | bdrv_acct_done(s->bs, &s->acct); | |
484 | if (ret != 0) { | |
485 | if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY | | |
486 | BM_STATUS_RETRY_READ)) { | |
487 | return; | |
488 | } | |
489 | } | |
490 | ||
491 | n = s->nsector; | |
492 | if (n > s->req_nb_sectors) { | |
493 | n = s->req_nb_sectors; | |
494 | } | |
495 | ||
496 | /* Allow the guest to read the io_buffer */ | |
497 | ide_transfer_start(s, s->io_buffer, n * BDRV_SECTOR_SIZE, ide_sector_read); | |
498 | ||
499 | ide_set_irq(s->bus); | |
500 | ||
501 | ide_set_sector(s, ide_get_sector(s) + n); | |
502 | s->nsector -= n; | |
503 | } | |
504 | ||
505 | void ide_sector_read(IDEState *s) | |
506 | { | |
507 | int64_t sector_num; | |
508 | int n; | |
509 | ||
510 | s->status = READY_STAT | SEEK_STAT; | |
511 | s->error = 0; /* not needed by IDE spec, but needed by Windows */ | |
512 | sector_num = ide_get_sector(s); | |
513 | n = s->nsector; | |
514 | ||
515 | if (n == 0) { | |
516 | ide_transfer_stop(s); | |
517 | return; | |
518 | } | |
519 | ||
520 | s->status |= BUSY_STAT; | |
521 | ||
522 | if (n > s->req_nb_sectors) { | |
523 | n = s->req_nb_sectors; | |
524 | } | |
525 | ||
526 | #if defined(DEBUG_IDE) | |
527 | printf("sector=%" PRId64 "\n", sector_num); | |
528 | #endif | |
529 | ||
530 | s->iov.iov_base = s->io_buffer; | |
531 | s->iov.iov_len = n * BDRV_SECTOR_SIZE; | |
532 | qemu_iovec_init_external(&s->qiov, &s->iov, 1); | |
533 | ||
534 | bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); | |
535 | s->pio_aiocb = bdrv_aio_readv(s->bs, sector_num, &s->qiov, n, | |
536 | ide_sector_read_cb, s); | |
537 | } | |
538 | ||
539 | static void dma_buf_commit(IDEState *s) | |
540 | { | |
541 | qemu_sglist_destroy(&s->sg); | |
542 | } | |
543 | ||
544 | void ide_set_inactive(IDEState *s) | |
545 | { | |
546 | s->bus->dma->aiocb = NULL; | |
547 | s->bus->dma->ops->set_inactive(s->bus->dma); | |
548 | } | |
549 | ||
550 | void ide_dma_error(IDEState *s) | |
551 | { | |
552 | ide_transfer_stop(s); | |
553 | s->error = ABRT_ERR; | |
554 | s->status = READY_STAT | ERR_STAT; | |
555 | ide_set_inactive(s); | |
556 | ide_set_irq(s->bus); | |
557 | } | |
558 | ||
559 | static int ide_handle_rw_error(IDEState *s, int error, int op) | |
560 | { | |
561 | int is_read = (op & BM_STATUS_RETRY_READ); | |
562 | BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); | |
563 | ||
564 | if (action == BLOCK_ERR_IGNORE) { | |
565 | bdrv_emit_qmp_error_event(s->bs, BDRV_ACTION_IGNORE, is_read); | |
566 | return 0; | |
567 | } | |
568 | ||
569 | if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) | |
570 | || action == BLOCK_ERR_STOP_ANY) { | |
571 | s->bus->dma->ops->set_unit(s->bus->dma, s->unit); | |
572 | s->bus->error_status = op; | |
573 | bdrv_emit_qmp_error_event(s->bs, BDRV_ACTION_STOP, is_read); | |
574 | vm_stop(RUN_STATE_IO_ERROR); | |
575 | bdrv_iostatus_set_err(s->bs, error); | |
576 | } else { | |
577 | if (op & BM_STATUS_DMA_RETRY) { | |
578 | dma_buf_commit(s); | |
579 | ide_dma_error(s); | |
580 | } else { | |
581 | ide_rw_error(s); | |
582 | } | |
583 | bdrv_emit_qmp_error_event(s->bs, BDRV_ACTION_REPORT, is_read); | |
584 | } | |
585 | ||
586 | return 1; | |
587 | } | |
588 | ||
589 | void ide_dma_cb(void *opaque, int ret) | |
590 | { | |
591 | IDEState *s = opaque; | |
592 | int n; | |
593 | int64_t sector_num; | |
594 | ||
595 | if (ret < 0) { | |
596 | int op = BM_STATUS_DMA_RETRY; | |
597 | ||
598 | if (s->dma_cmd == IDE_DMA_READ) | |
599 | op |= BM_STATUS_RETRY_READ; | |
600 | else if (s->dma_cmd == IDE_DMA_TRIM) | |
601 | op |= BM_STATUS_RETRY_TRIM; | |
602 | ||
603 | if (ide_handle_rw_error(s, -ret, op)) { | |
604 | return; | |
605 | } | |
606 | } | |
607 | ||
608 | n = s->io_buffer_size >> 9; | |
609 | sector_num = ide_get_sector(s); | |
610 | if (n > 0) { | |
611 | dma_buf_commit(s); | |
612 | sector_num += n; | |
613 | ide_set_sector(s, sector_num); | |
614 | s->nsector -= n; | |
615 | } | |
616 | ||
617 | /* end of transfer ? */ | |
618 | if (s->nsector == 0) { | |
619 | s->status = READY_STAT | SEEK_STAT; | |
620 | ide_set_irq(s->bus); | |
621 | goto eot; | |
622 | } | |
623 | ||
624 | /* launch next transfer */ | |
625 | n = s->nsector; | |
626 | s->io_buffer_index = 0; | |
627 | s->io_buffer_size = n * 512; | |
628 | if (s->bus->dma->ops->prepare_buf(s->bus->dma, ide_cmd_is_read(s)) == 0) { | |
629 | /* The PRDs were too short. Reset the Active bit, but don't raise an | |
630 | * interrupt. */ | |
631 | goto eot; | |
632 | } | |
633 | ||
634 | #ifdef DEBUG_AIO | |
635 | printf("ide_dma_cb: sector_num=%" PRId64 " n=%d, cmd_cmd=%d\n", | |
636 | sector_num, n, s->dma_cmd); | |
637 | #endif | |
638 | ||
639 | switch (s->dma_cmd) { | |
640 | case IDE_DMA_READ: | |
641 | s->bus->dma->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, | |
642 | ide_dma_cb, s); | |
643 | break; | |
644 | case IDE_DMA_WRITE: | |
645 | s->bus->dma->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, | |
646 | ide_dma_cb, s); | |
647 | break; | |
648 | case IDE_DMA_TRIM: | |
649 | s->bus->dma->aiocb = dma_bdrv_io(s->bs, &s->sg, sector_num, | |
650 | ide_issue_trim, ide_dma_cb, s, | |
651 | DMA_DIRECTION_TO_DEVICE); | |
652 | break; | |
653 | } | |
654 | return; | |
655 | ||
656 | eot: | |
657 | if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) { | |
658 | bdrv_acct_done(s->bs, &s->acct); | |
659 | } | |
660 | ide_set_inactive(s); | |
661 | } | |
662 | ||
663 | static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd) | |
664 | { | |
665 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; | |
666 | s->io_buffer_index = 0; | |
667 | s->io_buffer_size = 0; | |
668 | s->dma_cmd = dma_cmd; | |
669 | ||
670 | switch (dma_cmd) { | |
671 | case IDE_DMA_READ: | |
672 | bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE, | |
673 | BDRV_ACCT_READ); | |
674 | break; | |
675 | case IDE_DMA_WRITE: | |
676 | bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE, | |
677 | BDRV_ACCT_WRITE); | |
678 | break; | |
679 | default: | |
680 | break; | |
681 | } | |
682 | ||
683 | s->bus->dma->ops->start_dma(s->bus->dma, s, ide_dma_cb); | |
684 | } | |
685 | ||
686 | static void ide_sector_write_timer_cb(void *opaque) | |
687 | { | |
688 | IDEState *s = opaque; | |
689 | ide_set_irq(s->bus); | |
690 | } | |
691 | ||
692 | static void ide_sector_write_cb(void *opaque, int ret) | |
693 | { | |
694 | IDEState *s = opaque; | |
695 | int n; | |
696 | ||
697 | bdrv_acct_done(s->bs, &s->acct); | |
698 | ||
699 | s->pio_aiocb = NULL; | |
700 | s->status &= ~BUSY_STAT; | |
701 | ||
702 | if (ret != 0) { | |
703 | if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY)) { | |
704 | return; | |
705 | } | |
706 | } | |
707 | ||
708 | n = s->nsector; | |
709 | if (n > s->req_nb_sectors) { | |
710 | n = s->req_nb_sectors; | |
711 | } | |
712 | s->nsector -= n; | |
713 | if (s->nsector == 0) { | |
714 | /* no more sectors to write */ | |
715 | ide_transfer_stop(s); | |
716 | } else { | |
717 | int n1 = s->nsector; | |
718 | if (n1 > s->req_nb_sectors) { | |
719 | n1 = s->req_nb_sectors; | |
720 | } | |
721 | ide_transfer_start(s, s->io_buffer, n1 * BDRV_SECTOR_SIZE, | |
722 | ide_sector_write); | |
723 | } | |
724 | ide_set_sector(s, ide_get_sector(s) + n); | |
725 | ||
726 | if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { | |
727 | /* It seems there is a bug in the Windows 2000 installer HDD | |
728 | IDE driver which fills the disk with empty logs when the | |
729 | IDE write IRQ comes too early. This hack tries to correct | |
730 | that at the expense of slower write performances. Use this | |
731 | option _only_ to install Windows 2000. You must disable it | |
732 | for normal use. */ | |
733 | qemu_mod_timer(s->sector_write_timer, | |
734 | qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 1000)); | |
735 | } else { | |
736 | ide_set_irq(s->bus); | |
737 | } | |
738 | } | |
739 | ||
740 | void ide_sector_write(IDEState *s) | |
741 | { | |
742 | int64_t sector_num; | |
743 | int n; | |
744 | ||
745 | s->status = READY_STAT | SEEK_STAT | BUSY_STAT; | |
746 | sector_num = ide_get_sector(s); | |
747 | #if defined(DEBUG_IDE) | |
748 | printf("sector=%" PRId64 "\n", sector_num); | |
749 | #endif | |
750 | n = s->nsector; | |
751 | if (n > s->req_nb_sectors) { | |
752 | n = s->req_nb_sectors; | |
753 | } | |
754 | ||
755 | s->iov.iov_base = s->io_buffer; | |
756 | s->iov.iov_len = n * BDRV_SECTOR_SIZE; | |
757 | qemu_iovec_init_external(&s->qiov, &s->iov, 1); | |
758 | ||
759 | bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); | |
760 | s->pio_aiocb = bdrv_aio_writev(s->bs, sector_num, &s->qiov, n, | |
761 | ide_sector_write_cb, s); | |
762 | } | |
763 | ||
764 | static void ide_flush_cb(void *opaque, int ret) | |
765 | { | |
766 | IDEState *s = opaque; | |
767 | ||
768 | if (ret < 0) { | |
769 | /* XXX: What sector number to set here? */ | |
770 | if (ide_handle_rw_error(s, -ret, BM_STATUS_RETRY_FLUSH)) { | |
771 | return; | |
772 | } | |
773 | } | |
774 | ||
775 | bdrv_acct_done(s->bs, &s->acct); | |
776 | s->status = READY_STAT | SEEK_STAT; | |
777 | ide_set_irq(s->bus); | |
778 | } | |
779 | ||
780 | void ide_flush_cache(IDEState *s) | |
781 | { | |
782 | if (s->bs == NULL) { | |
783 | ide_flush_cb(s, 0); | |
784 | return; | |
785 | } | |
786 | ||
787 | bdrv_acct_start(s->bs, &s->acct, 0, BDRV_ACCT_FLUSH); | |
788 | bdrv_aio_flush(s->bs, ide_flush_cb, s); | |
789 | } | |
790 | ||
791 | static void ide_cfata_metadata_inquiry(IDEState *s) | |
792 | { | |
793 | uint16_t *p; | |
794 | uint32_t spd; | |
795 | ||
796 | p = (uint16_t *) s->io_buffer; | |
797 | memset(p, 0, 0x200); | |
798 | spd = ((s->mdata_size - 1) >> 9) + 1; | |
799 | ||
800 | put_le16(p + 0, 0x0001); /* Data format revision */ | |
801 | put_le16(p + 1, 0x0000); /* Media property: silicon */ | |
802 | put_le16(p + 2, s->media_changed); /* Media status */ | |
803 | put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ | |
804 | put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ | |
805 | put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ | |
806 | put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ | |
807 | } | |
808 | ||
809 | static void ide_cfata_metadata_read(IDEState *s) | |
810 | { | |
811 | uint16_t *p; | |
812 | ||
813 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
814 | s->status = ERR_STAT; | |
815 | s->error = ABRT_ERR; | |
816 | return; | |
817 | } | |
818 | ||
819 | p = (uint16_t *) s->io_buffer; | |
820 | memset(p, 0, 0x200); | |
821 | ||
822 | put_le16(p + 0, s->media_changed); /* Media status */ | |
823 | memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
824 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
825 | s->nsector << 9), 0x200 - 2)); | |
826 | } | |
827 | ||
828 | static void ide_cfata_metadata_write(IDEState *s) | |
829 | { | |
830 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
831 | s->status = ERR_STAT; | |
832 | s->error = ABRT_ERR; | |
833 | return; | |
834 | } | |
835 | ||
836 | s->media_changed = 0; | |
837 | ||
838 | memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
839 | s->io_buffer + 2, | |
840 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
841 | s->nsector << 9), 0x200 - 2)); | |
842 | } | |
843 | ||
844 | /* called when the inserted state of the media has changed */ | |
845 | static void ide_cd_change_cb(void *opaque, bool load) | |
846 | { | |
847 | IDEState *s = opaque; | |
848 | uint64_t nb_sectors; | |
849 | ||
850 | s->tray_open = !load; | |
851 | bdrv_get_geometry(s->bs, &nb_sectors); | |
852 | s->nb_sectors = nb_sectors; | |
853 | ||
854 | /* | |
855 | * First indicate to the guest that a CD has been removed. That's | |
856 | * done on the next command the guest sends us. | |
857 | * | |
858 | * Then we set UNIT_ATTENTION, by which the guest will | |
859 | * detect a new CD in the drive. See ide_atapi_cmd() for details. | |
860 | */ | |
861 | s->cdrom_changed = 1; | |
862 | s->events.new_media = true; | |
863 | s->events.eject_request = false; | |
864 | ide_set_irq(s->bus); | |
865 | } | |
866 | ||
867 | static void ide_cd_eject_request_cb(void *opaque, bool force) | |
868 | { | |
869 | IDEState *s = opaque; | |
870 | ||
871 | s->events.eject_request = true; | |
872 | if (force) { | |
873 | s->tray_locked = false; | |
874 | } | |
875 | ide_set_irq(s->bus); | |
876 | } | |
877 | ||
878 | static void ide_cmd_lba48_transform(IDEState *s, int lba48) | |
879 | { | |
880 | s->lba48 = lba48; | |
881 | ||
882 | /* handle the 'magic' 0 nsector count conversion here. to avoid | |
883 | * fiddling with the rest of the read logic, we just store the | |
884 | * full sector count in ->nsector and ignore ->hob_nsector from now | |
885 | */ | |
886 | if (!s->lba48) { | |
887 | if (!s->nsector) | |
888 | s->nsector = 256; | |
889 | } else { | |
890 | if (!s->nsector && !s->hob_nsector) | |
891 | s->nsector = 65536; | |
892 | else { | |
893 | int lo = s->nsector; | |
894 | int hi = s->hob_nsector; | |
895 | ||
896 | s->nsector = (hi << 8) | lo; | |
897 | } | |
898 | } | |
899 | } | |
900 | ||
901 | static void ide_clear_hob(IDEBus *bus) | |
902 | { | |
903 | /* any write clears HOB high bit of device control register */ | |
904 | bus->ifs[0].select &= ~(1 << 7); | |
905 | bus->ifs[1].select &= ~(1 << 7); | |
906 | } | |
907 | ||
908 | void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) | |
909 | { | |
910 | IDEBus *bus = opaque; | |
911 | ||
912 | #ifdef DEBUG_IDE | |
913 | printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); | |
914 | #endif | |
915 | ||
916 | addr &= 7; | |
917 | ||
918 | /* ignore writes to command block while busy with previous command */ | |
919 | if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) | |
920 | return; | |
921 | ||
922 | switch(addr) { | |
923 | case 0: | |
924 | break; | |
925 | case 1: | |
926 | ide_clear_hob(bus); | |
927 | /* NOTE: data is written to the two drives */ | |
928 | bus->ifs[0].hob_feature = bus->ifs[0].feature; | |
929 | bus->ifs[1].hob_feature = bus->ifs[1].feature; | |
930 | bus->ifs[0].feature = val; | |
931 | bus->ifs[1].feature = val; | |
932 | break; | |
933 | case 2: | |
934 | ide_clear_hob(bus); | |
935 | bus->ifs[0].hob_nsector = bus->ifs[0].nsector; | |
936 | bus->ifs[1].hob_nsector = bus->ifs[1].nsector; | |
937 | bus->ifs[0].nsector = val; | |
938 | bus->ifs[1].nsector = val; | |
939 | break; | |
940 | case 3: | |
941 | ide_clear_hob(bus); | |
942 | bus->ifs[0].hob_sector = bus->ifs[0].sector; | |
943 | bus->ifs[1].hob_sector = bus->ifs[1].sector; | |
944 | bus->ifs[0].sector = val; | |
945 | bus->ifs[1].sector = val; | |
946 | break; | |
947 | case 4: | |
948 | ide_clear_hob(bus); | |
949 | bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; | |
950 | bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; | |
951 | bus->ifs[0].lcyl = val; | |
952 | bus->ifs[1].lcyl = val; | |
953 | break; | |
954 | case 5: | |
955 | ide_clear_hob(bus); | |
956 | bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; | |
957 | bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; | |
958 | bus->ifs[0].hcyl = val; | |
959 | bus->ifs[1].hcyl = val; | |
960 | break; | |
961 | case 6: | |
962 | /* FIXME: HOB readback uses bit 7 */ | |
963 | bus->ifs[0].select = (val & ~0x10) | 0xa0; | |
964 | bus->ifs[1].select = (val | 0x10) | 0xa0; | |
965 | /* select drive */ | |
966 | bus->unit = (val >> 4) & 1; | |
967 | break; | |
968 | default: | |
969 | case 7: | |
970 | /* command */ | |
971 | ide_exec_cmd(bus, val); | |
972 | break; | |
973 | } | |
974 | } | |
975 | ||
976 | #define HD_OK (1u << IDE_HD) | |
977 | #define CD_OK (1u << IDE_CD) | |
978 | #define CFA_OK (1u << IDE_CFATA) | |
979 | #define HD_CFA_OK (HD_OK | CFA_OK) | |
980 | #define ALL_OK (HD_OK | CD_OK | CFA_OK) | |
981 | ||
982 | /* See ACS-2 T13/2015-D Table B.2 Command codes */ | |
983 | static const uint8_t ide_cmd_table[0x100] = { | |
984 | /* NOP not implemented, mandatory for CD */ | |
985 | [CFA_REQ_EXT_ERROR_CODE] = CFA_OK, | |
986 | [WIN_DSM] = ALL_OK, | |
987 | [WIN_DEVICE_RESET] = CD_OK, | |
988 | [WIN_RECAL] = HD_CFA_OK, | |
989 | [WIN_READ] = ALL_OK, | |
990 | [WIN_READ_ONCE] = ALL_OK, | |
991 | [WIN_READ_EXT] = HD_CFA_OK, | |
992 | [WIN_READDMA_EXT] = HD_CFA_OK, | |
993 | [WIN_READ_NATIVE_MAX_EXT] = HD_CFA_OK, | |
994 | [WIN_MULTREAD_EXT] = HD_CFA_OK, | |
995 | [WIN_WRITE] = HD_CFA_OK, | |
996 | [WIN_WRITE_ONCE] = HD_CFA_OK, | |
997 | [WIN_WRITE_EXT] = HD_CFA_OK, | |
998 | [WIN_WRITEDMA_EXT] = HD_CFA_OK, | |
999 | [CFA_WRITE_SECT_WO_ERASE] = CFA_OK, | |
1000 | [WIN_MULTWRITE_EXT] = HD_CFA_OK, | |
1001 | [WIN_WRITE_VERIFY] = HD_CFA_OK, | |
1002 | [WIN_VERIFY] = HD_CFA_OK, | |
1003 | [WIN_VERIFY_ONCE] = HD_CFA_OK, | |
1004 | [WIN_VERIFY_EXT] = HD_CFA_OK, | |
1005 | [WIN_SEEK] = HD_CFA_OK, | |
1006 | [CFA_TRANSLATE_SECTOR] = CFA_OK, | |
1007 | [WIN_DIAGNOSE] = ALL_OK, | |
1008 | [WIN_SPECIFY] = HD_CFA_OK, | |
1009 | [WIN_STANDBYNOW2] = ALL_OK, | |
1010 | [WIN_IDLEIMMEDIATE2] = ALL_OK, | |
1011 | [WIN_STANDBY2] = ALL_OK, | |
1012 | [WIN_SETIDLE2] = ALL_OK, | |
1013 | [WIN_CHECKPOWERMODE2] = ALL_OK, | |
1014 | [WIN_SLEEPNOW2] = ALL_OK, | |
1015 | [WIN_PACKETCMD] = CD_OK, | |
1016 | [WIN_PIDENTIFY] = CD_OK, | |
1017 | [WIN_SMART] = HD_CFA_OK, | |
1018 | [CFA_ACCESS_METADATA_STORAGE] = CFA_OK, | |
1019 | [CFA_ERASE_SECTORS] = CFA_OK, | |
1020 | [WIN_MULTREAD] = HD_CFA_OK, | |
1021 | [WIN_MULTWRITE] = HD_CFA_OK, | |
1022 | [WIN_SETMULT] = HD_CFA_OK, | |
1023 | [WIN_READDMA] = HD_CFA_OK, | |
1024 | [WIN_READDMA_ONCE] = HD_CFA_OK, | |
1025 | [WIN_WRITEDMA] = HD_CFA_OK, | |
1026 | [WIN_WRITEDMA_ONCE] = HD_CFA_OK, | |
1027 | [CFA_WRITE_MULTI_WO_ERASE] = CFA_OK, | |
1028 | [WIN_STANDBYNOW1] = ALL_OK, | |
1029 | [WIN_IDLEIMMEDIATE] = ALL_OK, | |
1030 | [WIN_STANDBY] = ALL_OK, | |
1031 | [WIN_SETIDLE1] = ALL_OK, | |
1032 | [WIN_CHECKPOWERMODE1] = ALL_OK, | |
1033 | [WIN_SLEEPNOW1] = ALL_OK, | |
1034 | [WIN_FLUSH_CACHE] = ALL_OK, | |
1035 | [WIN_FLUSH_CACHE_EXT] = HD_CFA_OK, | |
1036 | [WIN_IDENTIFY] = ALL_OK, | |
1037 | [WIN_SETFEATURES] = ALL_OK, | |
1038 | [IBM_SENSE_CONDITION] = CFA_OK, | |
1039 | [CFA_WEAR_LEVEL] = HD_CFA_OK, | |
1040 | [WIN_READ_NATIVE_MAX] = ALL_OK, | |
1041 | }; | |
1042 | ||
1043 | static bool ide_cmd_permitted(IDEState *s, uint32_t cmd) | |
1044 | { | |
1045 | return cmd < ARRAY_SIZE(ide_cmd_table) | |
1046 | && (ide_cmd_table[cmd] & (1u << s->drive_kind)); | |
1047 | } | |
1048 | ||
1049 | void ide_exec_cmd(IDEBus *bus, uint32_t val) | |
1050 | { | |
1051 | uint16_t *identify_data; | |
1052 | IDEState *s; | |
1053 | int n; | |
1054 | int lba48 = 0; | |
1055 | ||
1056 | #if defined(DEBUG_IDE) | |
1057 | printf("ide: CMD=%02x\n", val); | |
1058 | #endif | |
1059 | s = idebus_active_if(bus); | |
1060 | /* ignore commands to non existent slave */ | |
1061 | if (s != bus->ifs && !s->bs) | |
1062 | return; | |
1063 | ||
1064 | /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ | |
1065 | if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) | |
1066 | return; | |
1067 | ||
1068 | if (!ide_cmd_permitted(s, val)) { | |
1069 | goto abort_cmd; | |
1070 | } | |
1071 | ||
1072 | switch(val) { | |
1073 | case WIN_DSM: | |
1074 | switch (s->feature) { | |
1075 | case DSM_TRIM: | |
1076 | if (!s->bs) { | |
1077 | goto abort_cmd; | |
1078 | } | |
1079 | ide_sector_start_dma(s, IDE_DMA_TRIM); | |
1080 | break; | |
1081 | default: | |
1082 | goto abort_cmd; | |
1083 | } | |
1084 | break; | |
1085 | case WIN_IDENTIFY: | |
1086 | if (s->bs && s->drive_kind != IDE_CD) { | |
1087 | if (s->drive_kind != IDE_CFATA) | |
1088 | ide_identify(s); | |
1089 | else | |
1090 | ide_cfata_identify(s); | |
1091 | s->status = READY_STAT | SEEK_STAT; | |
1092 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); | |
1093 | } else { | |
1094 | if (s->drive_kind == IDE_CD) { | |
1095 | ide_set_signature(s); | |
1096 | } | |
1097 | ide_abort_command(s); | |
1098 | } | |
1099 | ide_set_irq(s->bus); | |
1100 | break; | |
1101 | case WIN_SPECIFY: | |
1102 | case WIN_RECAL: | |
1103 | s->error = 0; | |
1104 | s->status = READY_STAT | SEEK_STAT; | |
1105 | ide_set_irq(s->bus); | |
1106 | break; | |
1107 | case WIN_SETMULT: | |
1108 | if (s->drive_kind == IDE_CFATA && s->nsector == 0) { | |
1109 | /* Disable Read and Write Multiple */ | |
1110 | s->mult_sectors = 0; | |
1111 | s->status = READY_STAT | SEEK_STAT; | |
1112 | } else if ((s->nsector & 0xff) != 0 && | |
1113 | ((s->nsector & 0xff) > MAX_MULT_SECTORS || | |
1114 | (s->nsector & (s->nsector - 1)) != 0)) { | |
1115 | ide_abort_command(s); | |
1116 | } else { | |
1117 | s->mult_sectors = s->nsector & 0xff; | |
1118 | s->status = READY_STAT | SEEK_STAT; | |
1119 | } | |
1120 | ide_set_irq(s->bus); | |
1121 | break; | |
1122 | case WIN_VERIFY_EXT: | |
1123 | lba48 = 1; | |
1124 | case WIN_VERIFY: | |
1125 | case WIN_VERIFY_ONCE: | |
1126 | /* do sector number check ? */ | |
1127 | ide_cmd_lba48_transform(s, lba48); | |
1128 | s->status = READY_STAT | SEEK_STAT; | |
1129 | ide_set_irq(s->bus); | |
1130 | break; | |
1131 | case WIN_READ_EXT: | |
1132 | lba48 = 1; | |
1133 | case WIN_READ: | |
1134 | case WIN_READ_ONCE: | |
1135 | if (s->drive_kind == IDE_CD) { | |
1136 | ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */ | |
1137 | goto abort_cmd; | |
1138 | } | |
1139 | if (!s->bs) { | |
1140 | goto abort_cmd; | |
1141 | } | |
1142 | ide_cmd_lba48_transform(s, lba48); | |
1143 | s->req_nb_sectors = 1; | |
1144 | ide_sector_read(s); | |
1145 | break; | |
1146 | case WIN_WRITE_EXT: | |
1147 | lba48 = 1; | |
1148 | case WIN_WRITE: | |
1149 | case WIN_WRITE_ONCE: | |
1150 | case CFA_WRITE_SECT_WO_ERASE: | |
1151 | case WIN_WRITE_VERIFY: | |
1152 | if (!s->bs) { | |
1153 | goto abort_cmd; | |
1154 | } | |
1155 | ide_cmd_lba48_transform(s, lba48); | |
1156 | s->error = 0; | |
1157 | s->status = SEEK_STAT | READY_STAT; | |
1158 | s->req_nb_sectors = 1; | |
1159 | ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); | |
1160 | s->media_changed = 1; | |
1161 | break; | |
1162 | case WIN_MULTREAD_EXT: | |
1163 | lba48 = 1; | |
1164 | case WIN_MULTREAD: | |
1165 | if (!s->bs) { | |
1166 | goto abort_cmd; | |
1167 | } | |
1168 | if (!s->mult_sectors) { | |
1169 | goto abort_cmd; | |
1170 | } | |
1171 | ide_cmd_lba48_transform(s, lba48); | |
1172 | s->req_nb_sectors = s->mult_sectors; | |
1173 | ide_sector_read(s); | |
1174 | break; | |
1175 | case WIN_MULTWRITE_EXT: | |
1176 | lba48 = 1; | |
1177 | case WIN_MULTWRITE: | |
1178 | case CFA_WRITE_MULTI_WO_ERASE: | |
1179 | if (!s->bs) { | |
1180 | goto abort_cmd; | |
1181 | } | |
1182 | if (!s->mult_sectors) { | |
1183 | goto abort_cmd; | |
1184 | } | |
1185 | ide_cmd_lba48_transform(s, lba48); | |
1186 | s->error = 0; | |
1187 | s->status = SEEK_STAT | READY_STAT; | |
1188 | s->req_nb_sectors = s->mult_sectors; | |
1189 | n = s->nsector; | |
1190 | if (n > s->req_nb_sectors) | |
1191 | n = s->req_nb_sectors; | |
1192 | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write); | |
1193 | s->media_changed = 1; | |
1194 | break; | |
1195 | case WIN_READDMA_EXT: | |
1196 | lba48 = 1; | |
1197 | case WIN_READDMA: | |
1198 | case WIN_READDMA_ONCE: | |
1199 | if (!s->bs) { | |
1200 | goto abort_cmd; | |
1201 | } | |
1202 | ide_cmd_lba48_transform(s, lba48); | |
1203 | ide_sector_start_dma(s, IDE_DMA_READ); | |
1204 | break; | |
1205 | case WIN_WRITEDMA_EXT: | |
1206 | lba48 = 1; | |
1207 | case WIN_WRITEDMA: | |
1208 | case WIN_WRITEDMA_ONCE: | |
1209 | if (!s->bs) { | |
1210 | goto abort_cmd; | |
1211 | } | |
1212 | ide_cmd_lba48_transform(s, lba48); | |
1213 | ide_sector_start_dma(s, IDE_DMA_WRITE); | |
1214 | s->media_changed = 1; | |
1215 | break; | |
1216 | case WIN_READ_NATIVE_MAX_EXT: | |
1217 | lba48 = 1; | |
1218 | case WIN_READ_NATIVE_MAX: | |
1219 | ide_cmd_lba48_transform(s, lba48); | |
1220 | ide_set_sector(s, s->nb_sectors - 1); | |
1221 | s->status = READY_STAT | SEEK_STAT; | |
1222 | ide_set_irq(s->bus); | |
1223 | break; | |
1224 | case WIN_CHECKPOWERMODE1: | |
1225 | case WIN_CHECKPOWERMODE2: | |
1226 | s->error = 0; | |
1227 | s->nsector = 0xff; /* device active or idle */ | |
1228 | s->status = READY_STAT | SEEK_STAT; | |
1229 | ide_set_irq(s->bus); | |
1230 | break; | |
1231 | case WIN_SETFEATURES: | |
1232 | if (!s->bs) | |
1233 | goto abort_cmd; | |
1234 | /* XXX: valid for CDROM ? */ | |
1235 | switch(s->feature) { | |
1236 | case 0x02: /* write cache enable */ | |
1237 | bdrv_set_enable_write_cache(s->bs, true); | |
1238 | identify_data = (uint16_t *)s->identify_data; | |
1239 | put_le16(identify_data + 85, (1 << 14) | (1 << 5) | 1); | |
1240 | s->status = READY_STAT | SEEK_STAT; | |
1241 | ide_set_irq(s->bus); | |
1242 | break; | |
1243 | case 0x82: /* write cache disable */ | |
1244 | bdrv_set_enable_write_cache(s->bs, false); | |
1245 | identify_data = (uint16_t *)s->identify_data; | |
1246 | put_le16(identify_data + 85, (1 << 14) | 1); | |
1247 | ide_flush_cache(s); | |
1248 | break; | |
1249 | case 0xcc: /* reverting to power-on defaults enable */ | |
1250 | case 0x66: /* reverting to power-on defaults disable */ | |
1251 | case 0xaa: /* read look-ahead enable */ | |
1252 | case 0x55: /* read look-ahead disable */ | |
1253 | case 0x05: /* set advanced power management mode */ | |
1254 | case 0x85: /* disable advanced power management mode */ | |
1255 | case 0x69: /* NOP */ | |
1256 | case 0x67: /* NOP */ | |
1257 | case 0x96: /* NOP */ | |
1258 | case 0x9a: /* NOP */ | |
1259 | case 0x42: /* enable Automatic Acoustic Mode */ | |
1260 | case 0xc2: /* disable Automatic Acoustic Mode */ | |
1261 | s->status = READY_STAT | SEEK_STAT; | |
1262 | ide_set_irq(s->bus); | |
1263 | break; | |
1264 | case 0x03: { /* set transfer mode */ | |
1265 | uint8_t val = s->nsector & 0x07; | |
1266 | identify_data = (uint16_t *)s->identify_data; | |
1267 | ||
1268 | switch (s->nsector >> 3) { | |
1269 | case 0x00: /* pio default */ | |
1270 | case 0x01: /* pio mode */ | |
1271 | put_le16(identify_data + 62,0x07); | |
1272 | put_le16(identify_data + 63,0x07); | |
1273 | put_le16(identify_data + 88,0x3f); | |
1274 | break; | |
1275 | case 0x02: /* sigle word dma mode*/ | |
1276 | put_le16(identify_data + 62,0x07 | (1 << (val + 8))); | |
1277 | put_le16(identify_data + 63,0x07); | |
1278 | put_le16(identify_data + 88,0x3f); | |
1279 | break; | |
1280 | case 0x04: /* mdma mode */ | |
1281 | put_le16(identify_data + 62,0x07); | |
1282 | put_le16(identify_data + 63,0x07 | (1 << (val + 8))); | |
1283 | put_le16(identify_data + 88,0x3f); | |
1284 | break; | |
1285 | case 0x08: /* udma mode */ | |
1286 | put_le16(identify_data + 62,0x07); | |
1287 | put_le16(identify_data + 63,0x07); | |
1288 | put_le16(identify_data + 88,0x3f | (1 << (val + 8))); | |
1289 | break; | |
1290 | default: | |
1291 | goto abort_cmd; | |
1292 | } | |
1293 | s->status = READY_STAT | SEEK_STAT; | |
1294 | ide_set_irq(s->bus); | |
1295 | break; | |
1296 | } | |
1297 | default: | |
1298 | goto abort_cmd; | |
1299 | } | |
1300 | break; | |
1301 | case WIN_FLUSH_CACHE: | |
1302 | case WIN_FLUSH_CACHE_EXT: | |
1303 | ide_flush_cache(s); | |
1304 | break; | |
1305 | case WIN_STANDBY: | |
1306 | case WIN_STANDBY2: | |
1307 | case WIN_STANDBYNOW1: | |
1308 | case WIN_STANDBYNOW2: | |
1309 | case WIN_IDLEIMMEDIATE: | |
1310 | case WIN_IDLEIMMEDIATE2: | |
1311 | case WIN_SETIDLE1: | |
1312 | case WIN_SETIDLE2: | |
1313 | case WIN_SLEEPNOW1: | |
1314 | case WIN_SLEEPNOW2: | |
1315 | s->status = READY_STAT; | |
1316 | ide_set_irq(s->bus); | |
1317 | break; | |
1318 | case WIN_SEEK: | |
1319 | /* XXX: Check that seek is within bounds */ | |
1320 | s->status = READY_STAT | SEEK_STAT; | |
1321 | ide_set_irq(s->bus); | |
1322 | break; | |
1323 | /* ATAPI commands */ | |
1324 | case WIN_PIDENTIFY: | |
1325 | ide_atapi_identify(s); | |
1326 | s->status = READY_STAT | SEEK_STAT; | |
1327 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); | |
1328 | ide_set_irq(s->bus); | |
1329 | break; | |
1330 | case WIN_DIAGNOSE: | |
1331 | ide_set_signature(s); | |
1332 | if (s->drive_kind == IDE_CD) | |
1333 | s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet | |
1334 | * devices to return a clear status register | |
1335 | * with READY_STAT *not* set. */ | |
1336 | else | |
1337 | s->status = READY_STAT | SEEK_STAT; | |
1338 | s->error = 0x01; /* Device 0 passed, Device 1 passed or not | |
1339 | * present. | |
1340 | */ | |
1341 | ide_set_irq(s->bus); | |
1342 | break; | |
1343 | case WIN_DEVICE_RESET: | |
1344 | ide_set_signature(s); | |
1345 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
1346 | s->error = 0x01; | |
1347 | break; | |
1348 | case WIN_PACKETCMD: | |
1349 | /* overlapping commands not supported */ | |
1350 | if (s->feature & 0x02) | |
1351 | goto abort_cmd; | |
1352 | s->status = READY_STAT | SEEK_STAT; | |
1353 | s->atapi_dma = s->feature & 1; | |
1354 | s->nsector = 1; | |
1355 | ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, | |
1356 | ide_atapi_cmd); | |
1357 | break; | |
1358 | /* CF-ATA commands */ | |
1359 | case CFA_REQ_EXT_ERROR_CODE: | |
1360 | s->error = 0x09; /* miscellaneous error */ | |
1361 | s->status = READY_STAT | SEEK_STAT; | |
1362 | ide_set_irq(s->bus); | |
1363 | break; | |
1364 | case CFA_ERASE_SECTORS: | |
1365 | case CFA_WEAR_LEVEL: | |
1366 | #if 0 | |
1367 | /* This one has the same ID as CFA_WEAR_LEVEL and is required for | |
1368 | Windows 8 to work with AHCI */ | |
1369 | case WIN_SECURITY_FREEZE_LOCK: | |
1370 | #endif | |
1371 | if (val == CFA_WEAR_LEVEL) | |
1372 | s->nsector = 0; | |
1373 | if (val == CFA_ERASE_SECTORS) | |
1374 | s->media_changed = 1; | |
1375 | s->error = 0x00; | |
1376 | s->status = READY_STAT | SEEK_STAT; | |
1377 | ide_set_irq(s->bus); | |
1378 | break; | |
1379 | case CFA_TRANSLATE_SECTOR: | |
1380 | s->error = 0x00; | |
1381 | s->status = READY_STAT | SEEK_STAT; | |
1382 | memset(s->io_buffer, 0, 0x200); | |
1383 | s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ | |
1384 | s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ | |
1385 | s->io_buffer[0x02] = s->select; /* Head */ | |
1386 | s->io_buffer[0x03] = s->sector; /* Sector */ | |
1387 | s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ | |
1388 | s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ | |
1389 | s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ | |
1390 | s->io_buffer[0x13] = 0x00; /* Erase flag */ | |
1391 | s->io_buffer[0x18] = 0x00; /* Hot count */ | |
1392 | s->io_buffer[0x19] = 0x00; /* Hot count */ | |
1393 | s->io_buffer[0x1a] = 0x01; /* Hot count */ | |
1394 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1395 | ide_set_irq(s->bus); | |
1396 | break; | |
1397 | case CFA_ACCESS_METADATA_STORAGE: | |
1398 | switch (s->feature) { | |
1399 | case 0x02: /* Inquiry Metadata Storage */ | |
1400 | ide_cfata_metadata_inquiry(s); | |
1401 | break; | |
1402 | case 0x03: /* Read Metadata Storage */ | |
1403 | ide_cfata_metadata_read(s); | |
1404 | break; | |
1405 | case 0x04: /* Write Metadata Storage */ | |
1406 | ide_cfata_metadata_write(s); | |
1407 | break; | |
1408 | default: | |
1409 | goto abort_cmd; | |
1410 | } | |
1411 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1412 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
1413 | ide_set_irq(s->bus); | |
1414 | break; | |
1415 | case IBM_SENSE_CONDITION: | |
1416 | switch (s->feature) { | |
1417 | case 0x01: /* sense temperature in device */ | |
1418 | s->nsector = 0x50; /* +20 C */ | |
1419 | break; | |
1420 | default: | |
1421 | goto abort_cmd; | |
1422 | } | |
1423 | s->status = READY_STAT | SEEK_STAT; | |
1424 | ide_set_irq(s->bus); | |
1425 | break; | |
1426 | ||
1427 | case WIN_SMART: | |
1428 | if (s->hcyl != 0xc2 || s->lcyl != 0x4f) | |
1429 | goto abort_cmd; | |
1430 | if (!s->smart_enabled && s->feature != SMART_ENABLE) | |
1431 | goto abort_cmd; | |
1432 | switch (s->feature) { | |
1433 | case SMART_DISABLE: | |
1434 | s->smart_enabled = 0; | |
1435 | s->status = READY_STAT | SEEK_STAT; | |
1436 | ide_set_irq(s->bus); | |
1437 | break; | |
1438 | case SMART_ENABLE: | |
1439 | s->smart_enabled = 1; | |
1440 | s->status = READY_STAT | SEEK_STAT; | |
1441 | ide_set_irq(s->bus); | |
1442 | break; | |
1443 | case SMART_ATTR_AUTOSAVE: | |
1444 | switch (s->sector) { | |
1445 | case 0x00: | |
1446 | s->smart_autosave = 0; | |
1447 | break; | |
1448 | case 0xf1: | |
1449 | s->smart_autosave = 1; | |
1450 | break; | |
1451 | default: | |
1452 | goto abort_cmd; | |
1453 | } | |
1454 | s->status = READY_STAT | SEEK_STAT; | |
1455 | ide_set_irq(s->bus); | |
1456 | break; | |
1457 | case SMART_STATUS: | |
1458 | if (!s->smart_errors) { | |
1459 | s->hcyl = 0xc2; | |
1460 | s->lcyl = 0x4f; | |
1461 | } else { | |
1462 | s->hcyl = 0x2c; | |
1463 | s->lcyl = 0xf4; | |
1464 | } | |
1465 | s->status = READY_STAT | SEEK_STAT; | |
1466 | ide_set_irq(s->bus); | |
1467 | break; | |
1468 | case SMART_READ_THRESH: | |
1469 | memset(s->io_buffer, 0, 0x200); | |
1470 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
1471 | for (n=0; n<30; n++) { | |
1472 | if (smart_attributes[n][0] == 0) | |
1473 | break; | |
1474 | s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; | |
1475 | s->io_buffer[2+1+(n*12)] = smart_attributes[n][11]; | |
1476 | } | |
1477 | for (n=0; n<511; n++) /* checksum */ | |
1478 | s->io_buffer[511] += s->io_buffer[n]; | |
1479 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
1480 | s->status = READY_STAT | SEEK_STAT; | |
1481 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1482 | ide_set_irq(s->bus); | |
1483 | break; | |
1484 | case SMART_READ_DATA: | |
1485 | memset(s->io_buffer, 0, 0x200); | |
1486 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
1487 | for (n=0; n<30; n++) { | |
1488 | if (smart_attributes[n][0] == 0) { | |
1489 | break; | |
1490 | } | |
1491 | int i; | |
1492 | for(i = 0; i < 11; i++) { | |
1493 | s->io_buffer[2+i+(n*12)] = smart_attributes[n][i]; | |
1494 | } | |
1495 | } | |
1496 | s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); | |
1497 | if (s->smart_selftest_count == 0) { | |
1498 | s->io_buffer[363] = 0; | |
1499 | } else { | |
1500 | s->io_buffer[363] = | |
1501 | s->smart_selftest_data[3 + | |
1502 | (s->smart_selftest_count - 1) * | |
1503 | 24]; | |
1504 | } | |
1505 | s->io_buffer[364] = 0x20; | |
1506 | s->io_buffer[365] = 0x01; | |
1507 | /* offline data collection capacity: execute + self-test*/ | |
1508 | s->io_buffer[367] = (1<<4 | 1<<3 | 1); | |
1509 | s->io_buffer[368] = 0x03; /* smart capability (1) */ | |
1510 | s->io_buffer[369] = 0x00; /* smart capability (2) */ | |
1511 | s->io_buffer[370] = 0x01; /* error logging supported */ | |
1512 | s->io_buffer[372] = 0x02; /* minutes for poll short test */ | |
1513 | s->io_buffer[373] = 0x36; /* minutes for poll ext test */ | |
1514 | s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ | |
1515 | ||
1516 | for (n=0; n<511; n++) | |
1517 | s->io_buffer[511] += s->io_buffer[n]; | |
1518 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
1519 | s->status = READY_STAT | SEEK_STAT; | |
1520 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1521 | ide_set_irq(s->bus); | |
1522 | break; | |
1523 | case SMART_READ_LOG: | |
1524 | switch (s->sector) { | |
1525 | case 0x01: /* summary smart error log */ | |
1526 | memset(s->io_buffer, 0, 0x200); | |
1527 | s->io_buffer[0] = 0x01; | |
1528 | s->io_buffer[1] = 0x00; /* no error entries */ | |
1529 | s->io_buffer[452] = s->smart_errors & 0xff; | |
1530 | s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; | |
1531 | ||
1532 | for (n=0; n<511; n++) | |
1533 | s->io_buffer[511] += s->io_buffer[n]; | |
1534 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
1535 | break; | |
1536 | case 0x06: /* smart self test log */ | |
1537 | memset(s->io_buffer, 0, 0x200); | |
1538 | s->io_buffer[0] = 0x01; | |
1539 | if (s->smart_selftest_count == 0) { | |
1540 | s->io_buffer[508] = 0; | |
1541 | } else { | |
1542 | s->io_buffer[508] = s->smart_selftest_count; | |
1543 | for (n=2; n<506; n++) | |
1544 | s->io_buffer[n] = s->smart_selftest_data[n]; | |
1545 | } | |
1546 | for (n=0; n<511; n++) | |
1547 | s->io_buffer[511] += s->io_buffer[n]; | |
1548 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
1549 | break; | |
1550 | default: | |
1551 | goto abort_cmd; | |
1552 | } | |
1553 | s->status = READY_STAT | SEEK_STAT; | |
1554 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1555 | ide_set_irq(s->bus); | |
1556 | break; | |
1557 | case SMART_EXECUTE_OFFLINE: | |
1558 | switch (s->sector) { | |
1559 | case 0: /* off-line routine */ | |
1560 | case 1: /* short self test */ | |
1561 | case 2: /* extended self test */ | |
1562 | s->smart_selftest_count++; | |
1563 | if(s->smart_selftest_count > 21) | |
1564 | s->smart_selftest_count = 0; | |
1565 | n = 2 + (s->smart_selftest_count - 1) * 24; | |
1566 | s->smart_selftest_data[n] = s->sector; | |
1567 | s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ | |
1568 | s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ | |
1569 | s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ | |
1570 | s->status = READY_STAT | SEEK_STAT; | |
1571 | ide_set_irq(s->bus); | |
1572 | break; | |
1573 | default: | |
1574 | goto abort_cmd; | |
1575 | } | |
1576 | break; | |
1577 | default: | |
1578 | goto abort_cmd; | |
1579 | } | |
1580 | break; | |
1581 | default: | |
1582 | /* should not be reachable */ | |
1583 | abort_cmd: | |
1584 | ide_abort_command(s); | |
1585 | ide_set_irq(s->bus); | |
1586 | break; | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | uint32_t ide_ioport_read(void *opaque, uint32_t addr1) | |
1591 | { | |
1592 | IDEBus *bus = opaque; | |
1593 | IDEState *s = idebus_active_if(bus); | |
1594 | uint32_t addr; | |
1595 | int ret, hob; | |
1596 | ||
1597 | addr = addr1 & 7; | |
1598 | /* FIXME: HOB readback uses bit 7, but it's always set right now */ | |
1599 | //hob = s->select & (1 << 7); | |
1600 | hob = 0; | |
1601 | switch(addr) { | |
1602 | case 0: | |
1603 | ret = 0xff; | |
1604 | break; | |
1605 | case 1: | |
1606 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || | |
1607 | (s != bus->ifs && !s->bs)) | |
1608 | ret = 0; | |
1609 | else if (!hob) | |
1610 | ret = s->error; | |
1611 | else | |
1612 | ret = s->hob_feature; | |
1613 | break; | |
1614 | case 2: | |
1615 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1616 | ret = 0; | |
1617 | else if (!hob) | |
1618 | ret = s->nsector & 0xff; | |
1619 | else | |
1620 | ret = s->hob_nsector; | |
1621 | break; | |
1622 | case 3: | |
1623 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1624 | ret = 0; | |
1625 | else if (!hob) | |
1626 | ret = s->sector; | |
1627 | else | |
1628 | ret = s->hob_sector; | |
1629 | break; | |
1630 | case 4: | |
1631 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1632 | ret = 0; | |
1633 | else if (!hob) | |
1634 | ret = s->lcyl; | |
1635 | else | |
1636 | ret = s->hob_lcyl; | |
1637 | break; | |
1638 | case 5: | |
1639 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1640 | ret = 0; | |
1641 | else if (!hob) | |
1642 | ret = s->hcyl; | |
1643 | else | |
1644 | ret = s->hob_hcyl; | |
1645 | break; | |
1646 | case 6: | |
1647 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1648 | ret = 0; | |
1649 | else | |
1650 | ret = s->select; | |
1651 | break; | |
1652 | default: | |
1653 | case 7: | |
1654 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || | |
1655 | (s != bus->ifs && !s->bs)) | |
1656 | ret = 0; | |
1657 | else | |
1658 | ret = s->status; | |
1659 | qemu_irq_lower(bus->irq); | |
1660 | break; | |
1661 | } | |
1662 | #ifdef DEBUG_IDE | |
1663 | printf("ide: read addr=0x%x val=%02x\n", addr1, ret); | |
1664 | #endif | |
1665 | return ret; | |
1666 | } | |
1667 | ||
1668 | uint32_t ide_status_read(void *opaque, uint32_t addr) | |
1669 | { | |
1670 | IDEBus *bus = opaque; | |
1671 | IDEState *s = idebus_active_if(bus); | |
1672 | int ret; | |
1673 | ||
1674 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || | |
1675 | (s != bus->ifs && !s->bs)) | |
1676 | ret = 0; | |
1677 | else | |
1678 | ret = s->status; | |
1679 | #ifdef DEBUG_IDE | |
1680 | printf("ide: read status addr=0x%x val=%02x\n", addr, ret); | |
1681 | #endif | |
1682 | return ret; | |
1683 | } | |
1684 | ||
1685 | void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) | |
1686 | { | |
1687 | IDEBus *bus = opaque; | |
1688 | IDEState *s; | |
1689 | int i; | |
1690 | ||
1691 | #ifdef DEBUG_IDE | |
1692 | printf("ide: write control addr=0x%x val=%02x\n", addr, val); | |
1693 | #endif | |
1694 | /* common for both drives */ | |
1695 | if (!(bus->cmd & IDE_CMD_RESET) && | |
1696 | (val & IDE_CMD_RESET)) { | |
1697 | /* reset low to high */ | |
1698 | for(i = 0;i < 2; i++) { | |
1699 | s = &bus->ifs[i]; | |
1700 | s->status = BUSY_STAT | SEEK_STAT; | |
1701 | s->error = 0x01; | |
1702 | } | |
1703 | } else if ((bus->cmd & IDE_CMD_RESET) && | |
1704 | !(val & IDE_CMD_RESET)) { | |
1705 | /* high to low */ | |
1706 | for(i = 0;i < 2; i++) { | |
1707 | s = &bus->ifs[i]; | |
1708 | if (s->drive_kind == IDE_CD) | |
1709 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
1710 | else | |
1711 | s->status = READY_STAT | SEEK_STAT; | |
1712 | ide_set_signature(s); | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | bus->cmd = val; | |
1717 | } | |
1718 | ||
1719 | /* | |
1720 | * Returns true if the running PIO transfer is a PIO out (i.e. data is | |
1721 | * transferred from the device to the guest), false if it's a PIO in | |
1722 | */ | |
1723 | static bool ide_is_pio_out(IDEState *s) | |
1724 | { | |
1725 | if (s->end_transfer_func == ide_sector_write || | |
1726 | s->end_transfer_func == ide_atapi_cmd) { | |
1727 | return false; | |
1728 | } else if (s->end_transfer_func == ide_sector_read || | |
1729 | s->end_transfer_func == ide_transfer_stop || | |
1730 | s->end_transfer_func == ide_atapi_cmd_reply_end || | |
1731 | s->end_transfer_func == ide_dummy_transfer_stop) { | |
1732 | return true; | |
1733 | } | |
1734 | ||
1735 | abort(); | |
1736 | } | |
1737 | ||
1738 | void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) | |
1739 | { | |
1740 | IDEBus *bus = opaque; | |
1741 | IDEState *s = idebus_active_if(bus); | |
1742 | uint8_t *p; | |
1743 | ||
1744 | /* PIO data access allowed only when DRQ bit is set. The result of a write | |
1745 | * during PIO out is indeterminate, just ignore it. */ | |
1746 | if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) { | |
1747 | return; | |
1748 | } | |
1749 | ||
1750 | p = s->data_ptr; | |
1751 | *(uint16_t *)p = le16_to_cpu(val); | |
1752 | p += 2; | |
1753 | s->data_ptr = p; | |
1754 | if (p >= s->data_end) | |
1755 | s->end_transfer_func(s); | |
1756 | } | |
1757 | ||
1758 | uint32_t ide_data_readw(void *opaque, uint32_t addr) | |
1759 | { | |
1760 | IDEBus *bus = opaque; | |
1761 | IDEState *s = idebus_active_if(bus); | |
1762 | uint8_t *p; | |
1763 | int ret; | |
1764 | ||
1765 | /* PIO data access allowed only when DRQ bit is set. The result of a read | |
1766 | * during PIO in is indeterminate, return 0 and don't move forward. */ | |
1767 | if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) { | |
1768 | return 0; | |
1769 | } | |
1770 | ||
1771 | p = s->data_ptr; | |
1772 | ret = cpu_to_le16(*(uint16_t *)p); | |
1773 | p += 2; | |
1774 | s->data_ptr = p; | |
1775 | if (p >= s->data_end) | |
1776 | s->end_transfer_func(s); | |
1777 | return ret; | |
1778 | } | |
1779 | ||
1780 | void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) | |
1781 | { | |
1782 | IDEBus *bus = opaque; | |
1783 | IDEState *s = idebus_active_if(bus); | |
1784 | uint8_t *p; | |
1785 | ||
1786 | /* PIO data access allowed only when DRQ bit is set. The result of a write | |
1787 | * during PIO out is indeterminate, just ignore it. */ | |
1788 | if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) { | |
1789 | return; | |
1790 | } | |
1791 | ||
1792 | p = s->data_ptr; | |
1793 | *(uint32_t *)p = le32_to_cpu(val); | |
1794 | p += 4; | |
1795 | s->data_ptr = p; | |
1796 | if (p >= s->data_end) | |
1797 | s->end_transfer_func(s); | |
1798 | } | |
1799 | ||
1800 | uint32_t ide_data_readl(void *opaque, uint32_t addr) | |
1801 | { | |
1802 | IDEBus *bus = opaque; | |
1803 | IDEState *s = idebus_active_if(bus); | |
1804 | uint8_t *p; | |
1805 | int ret; | |
1806 | ||
1807 | /* PIO data access allowed only when DRQ bit is set. The result of a read | |
1808 | * during PIO in is indeterminate, return 0 and don't move forward. */ | |
1809 | if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) { | |
1810 | return 0; | |
1811 | } | |
1812 | ||
1813 | p = s->data_ptr; | |
1814 | ret = cpu_to_le32(*(uint32_t *)p); | |
1815 | p += 4; | |
1816 | s->data_ptr = p; | |
1817 | if (p >= s->data_end) | |
1818 | s->end_transfer_func(s); | |
1819 | return ret; | |
1820 | } | |
1821 | ||
1822 | static void ide_dummy_transfer_stop(IDEState *s) | |
1823 | { | |
1824 | s->data_ptr = s->io_buffer; | |
1825 | s->data_end = s->io_buffer; | |
1826 | s->io_buffer[0] = 0xff; | |
1827 | s->io_buffer[1] = 0xff; | |
1828 | s->io_buffer[2] = 0xff; | |
1829 | s->io_buffer[3] = 0xff; | |
1830 | } | |
1831 | ||
1832 | static void ide_reset(IDEState *s) | |
1833 | { | |
1834 | #ifdef DEBUG_IDE | |
1835 | printf("ide: reset\n"); | |
1836 | #endif | |
1837 | ||
1838 | if (s->pio_aiocb) { | |
1839 | bdrv_aio_cancel(s->pio_aiocb); | |
1840 | s->pio_aiocb = NULL; | |
1841 | } | |
1842 | ||
1843 | if (s->drive_kind == IDE_CFATA) | |
1844 | s->mult_sectors = 0; | |
1845 | else | |
1846 | s->mult_sectors = MAX_MULT_SECTORS; | |
1847 | /* ide regs */ | |
1848 | s->feature = 0; | |
1849 | s->error = 0; | |
1850 | s->nsector = 0; | |
1851 | s->sector = 0; | |
1852 | s->lcyl = 0; | |
1853 | s->hcyl = 0; | |
1854 | ||
1855 | /* lba48 */ | |
1856 | s->hob_feature = 0; | |
1857 | s->hob_sector = 0; | |
1858 | s->hob_nsector = 0; | |
1859 | s->hob_lcyl = 0; | |
1860 | s->hob_hcyl = 0; | |
1861 | ||
1862 | s->select = 0xa0; | |
1863 | s->status = READY_STAT | SEEK_STAT; | |
1864 | ||
1865 | s->lba48 = 0; | |
1866 | ||
1867 | /* ATAPI specific */ | |
1868 | s->sense_key = 0; | |
1869 | s->asc = 0; | |
1870 | s->cdrom_changed = 0; | |
1871 | s->packet_transfer_size = 0; | |
1872 | s->elementary_transfer_size = 0; | |
1873 | s->io_buffer_index = 0; | |
1874 | s->cd_sector_size = 0; | |
1875 | s->atapi_dma = 0; | |
1876 | /* ATA DMA state */ | |
1877 | s->io_buffer_size = 0; | |
1878 | s->req_nb_sectors = 0; | |
1879 | ||
1880 | ide_set_signature(s); | |
1881 | /* init the transfer handler so that 0xffff is returned on data | |
1882 | accesses */ | |
1883 | s->end_transfer_func = ide_dummy_transfer_stop; | |
1884 | ide_dummy_transfer_stop(s); | |
1885 | s->media_changed = 0; | |
1886 | } | |
1887 | ||
1888 | void ide_bus_reset(IDEBus *bus) | |
1889 | { | |
1890 | bus->unit = 0; | |
1891 | bus->cmd = 0; | |
1892 | ide_reset(&bus->ifs[0]); | |
1893 | ide_reset(&bus->ifs[1]); | |
1894 | ide_clear_hob(bus); | |
1895 | ||
1896 | /* pending async DMA */ | |
1897 | if (bus->dma->aiocb) { | |
1898 | #ifdef DEBUG_AIO | |
1899 | printf("aio_cancel\n"); | |
1900 | #endif | |
1901 | bdrv_aio_cancel(bus->dma->aiocb); | |
1902 | bus->dma->aiocb = NULL; | |
1903 | } | |
1904 | ||
1905 | /* reset dma provider too */ | |
1906 | bus->dma->ops->reset(bus->dma); | |
1907 | } | |
1908 | ||
1909 | static bool ide_cd_is_tray_open(void *opaque) | |
1910 | { | |
1911 | return ((IDEState *)opaque)->tray_open; | |
1912 | } | |
1913 | ||
1914 | static bool ide_cd_is_medium_locked(void *opaque) | |
1915 | { | |
1916 | return ((IDEState *)opaque)->tray_locked; | |
1917 | } | |
1918 | ||
1919 | static const BlockDevOps ide_cd_block_ops = { | |
1920 | .change_media_cb = ide_cd_change_cb, | |
1921 | .eject_request_cb = ide_cd_eject_request_cb, | |
1922 | .is_tray_open = ide_cd_is_tray_open, | |
1923 | .is_medium_locked = ide_cd_is_medium_locked, | |
1924 | }; | |
1925 | ||
1926 | int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, | |
1927 | const char *version, const char *serial, const char *model, | |
1928 | uint64_t wwn) | |
1929 | { | |
1930 | uint32_t cylinders, heads, secs; | |
1931 | uint64_t nb_sectors; | |
1932 | ||
1933 | s->bs = bs; | |
1934 | s->drive_kind = kind; | |
1935 | ||
1936 | bdrv_get_geometry(bs, &nb_sectors); | |
1937 | hd_geometry_guess(bs, &cylinders, &heads, &secs, &s->chs_trans); | |
1938 | if (cylinders < 1 || cylinders > 16383) { | |
1939 | error_report("cyls must be between 1 and 16383"); | |
1940 | return -1; | |
1941 | } | |
1942 | if (heads < 1 || heads > 16) { | |
1943 | error_report("heads must be between 1 and 16"); | |
1944 | return -1; | |
1945 | } | |
1946 | if (secs < 1 || secs > 63) { | |
1947 | error_report("secs must be between 1 and 63"); | |
1948 | return -1; | |
1949 | } | |
1950 | s->cylinders = cylinders; | |
1951 | s->heads = heads; | |
1952 | s->sectors = secs; | |
1953 | s->nb_sectors = nb_sectors; | |
1954 | s->wwn = wwn; | |
1955 | /* The SMART values should be preserved across power cycles | |
1956 | but they aren't. */ | |
1957 | s->smart_enabled = 1; | |
1958 | s->smart_autosave = 1; | |
1959 | s->smart_errors = 0; | |
1960 | s->smart_selftest_count = 0; | |
1961 | if (kind == IDE_CD) { | |
1962 | bdrv_set_dev_ops(bs, &ide_cd_block_ops, s); | |
1963 | bdrv_set_buffer_alignment(bs, 2048); | |
1964 | } else { | |
1965 | if (!bdrv_is_inserted(s->bs)) { | |
1966 | error_report("Device needs media, but drive is empty"); | |
1967 | return -1; | |
1968 | } | |
1969 | if (bdrv_is_read_only(bs)) { | |
1970 | error_report("Can't use a read-only drive"); | |
1971 | return -1; | |
1972 | } | |
1973 | } | |
1974 | if (serial) { | |
1975 | pstrcpy(s->drive_serial_str, sizeof(s->drive_serial_str), serial); | |
1976 | } else { | |
1977 | snprintf(s->drive_serial_str, sizeof(s->drive_serial_str), | |
1978 | "QM%05d", s->drive_serial); | |
1979 | } | |
1980 | if (model) { | |
1981 | pstrcpy(s->drive_model_str, sizeof(s->drive_model_str), model); | |
1982 | } else { | |
1983 | switch (kind) { | |
1984 | case IDE_CD: | |
1985 | strcpy(s->drive_model_str, "QEMU DVD-ROM"); | |
1986 | break; | |
1987 | case IDE_CFATA: | |
1988 | strcpy(s->drive_model_str, "QEMU MICRODRIVE"); | |
1989 | break; | |
1990 | default: | |
1991 | strcpy(s->drive_model_str, "QEMU HARDDISK"); | |
1992 | break; | |
1993 | } | |
1994 | } | |
1995 | ||
1996 | if (version) { | |
1997 | pstrcpy(s->version, sizeof(s->version), version); | |
1998 | } else { | |
1999 | pstrcpy(s->version, sizeof(s->version), qemu_get_version()); | |
2000 | } | |
2001 | ||
2002 | ide_reset(s); | |
2003 | bdrv_iostatus_enable(bs); | |
2004 | return 0; | |
2005 | } | |
2006 | ||
2007 | static void ide_init1(IDEBus *bus, int unit) | |
2008 | { | |
2009 | static int drive_serial = 1; | |
2010 | IDEState *s = &bus->ifs[unit]; | |
2011 | ||
2012 | s->bus = bus; | |
2013 | s->unit = unit; | |
2014 | s->drive_serial = drive_serial++; | |
2015 | /* we need at least 2k alignment for accessing CDROMs using O_DIRECT */ | |
2016 | s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4; | |
2017 | s->io_buffer = qemu_memalign(2048, s->io_buffer_total_len); | |
2018 | memset(s->io_buffer, 0, s->io_buffer_total_len); | |
2019 | ||
2020 | s->smart_selftest_data = qemu_blockalign(s->bs, 512); | |
2021 | memset(s->smart_selftest_data, 0, 512); | |
2022 | ||
2023 | s->sector_write_timer = qemu_new_timer_ns(vm_clock, | |
2024 | ide_sector_write_timer_cb, s); | |
2025 | } | |
2026 | ||
2027 | static void ide_nop_start(IDEDMA *dma, IDEState *s, | |
2028 | BlockDriverCompletionFunc *cb) | |
2029 | { | |
2030 | } | |
2031 | ||
2032 | static int ide_nop(IDEDMA *dma) | |
2033 | { | |
2034 | return 0; | |
2035 | } | |
2036 | ||
2037 | static int ide_nop_int(IDEDMA *dma, int x) | |
2038 | { | |
2039 | return 0; | |
2040 | } | |
2041 | ||
2042 | static void ide_nop_restart(void *opaque, int x, RunState y) | |
2043 | { | |
2044 | } | |
2045 | ||
2046 | static const IDEDMAOps ide_dma_nop_ops = { | |
2047 | .start_dma = ide_nop_start, | |
2048 | .start_transfer = ide_nop, | |
2049 | .prepare_buf = ide_nop_int, | |
2050 | .rw_buf = ide_nop_int, | |
2051 | .set_unit = ide_nop_int, | |
2052 | .add_status = ide_nop_int, | |
2053 | .set_inactive = ide_nop, | |
2054 | .restart_cb = ide_nop_restart, | |
2055 | .reset = ide_nop, | |
2056 | }; | |
2057 | ||
2058 | static IDEDMA ide_dma_nop = { | |
2059 | .ops = &ide_dma_nop_ops, | |
2060 | .aiocb = NULL, | |
2061 | }; | |
2062 | ||
2063 | void ide_init2(IDEBus *bus, qemu_irq irq) | |
2064 | { | |
2065 | int i; | |
2066 | ||
2067 | for(i = 0; i < 2; i++) { | |
2068 | ide_init1(bus, i); | |
2069 | ide_reset(&bus->ifs[i]); | |
2070 | } | |
2071 | bus->irq = irq; | |
2072 | bus->dma = &ide_dma_nop; | |
2073 | } | |
2074 | ||
2075 | /* TODO convert users to qdev and remove */ | |
2076 | void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0, | |
2077 | DriveInfo *hd1, qemu_irq irq) | |
2078 | { | |
2079 | int i; | |
2080 | DriveInfo *dinfo; | |
2081 | ||
2082 | for(i = 0; i < 2; i++) { | |
2083 | dinfo = i == 0 ? hd0 : hd1; | |
2084 | ide_init1(bus, i); | |
2085 | if (dinfo) { | |
2086 | if (ide_init_drive(&bus->ifs[i], dinfo->bdrv, | |
2087 | dinfo->media_cd ? IDE_CD : IDE_HD, NULL, | |
2088 | *dinfo->serial ? dinfo->serial : NULL, | |
2089 | NULL, 0) < 0) { | |
2090 | error_report("Can't set up IDE drive %s", dinfo->id); | |
2091 | exit(1); | |
2092 | } | |
2093 | bdrv_attach_dev_nofail(dinfo->bdrv, &bus->ifs[i]); | |
2094 | } else { | |
2095 | ide_reset(&bus->ifs[i]); | |
2096 | } | |
2097 | } | |
2098 | bus->irq = irq; | |
2099 | bus->dma = &ide_dma_nop; | |
2100 | } | |
2101 | ||
2102 | static const MemoryRegionPortio ide_portio_list[] = { | |
2103 | { 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write }, | |
2104 | { 0, 2, 2, .read = ide_data_readw, .write = ide_data_writew }, | |
2105 | { 0, 4, 4, .read = ide_data_readl, .write = ide_data_writel }, | |
2106 | PORTIO_END_OF_LIST(), | |
2107 | }; | |
2108 | ||
2109 | static const MemoryRegionPortio ide_portio2_list[] = { | |
2110 | { 0, 1, 1, .read = ide_status_read, .write = ide_cmd_write }, | |
2111 | PORTIO_END_OF_LIST(), | |
2112 | }; | |
2113 | ||
2114 | void ide_init_ioport(IDEBus *bus, ISADevice *dev, int iobase, int iobase2) | |
2115 | { | |
2116 | /* ??? Assume only ISA and PCI configurations, and that the PCI-ISA | |
2117 | bridge has been setup properly to always register with ISA. */ | |
2118 | isa_register_portio_list(dev, iobase, ide_portio_list, bus, "ide"); | |
2119 | ||
2120 | if (iobase2) { | |
2121 | isa_register_portio_list(dev, iobase2, ide_portio2_list, bus, "ide"); | |
2122 | } | |
2123 | } | |
2124 | ||
2125 | static bool is_identify_set(void *opaque, int version_id) | |
2126 | { | |
2127 | IDEState *s = opaque; | |
2128 | ||
2129 | return s->identify_set != 0; | |
2130 | } | |
2131 | ||
2132 | static EndTransferFunc* transfer_end_table[] = { | |
2133 | ide_sector_read, | |
2134 | ide_sector_write, | |
2135 | ide_transfer_stop, | |
2136 | ide_atapi_cmd_reply_end, | |
2137 | ide_atapi_cmd, | |
2138 | ide_dummy_transfer_stop, | |
2139 | }; | |
2140 | ||
2141 | static int transfer_end_table_idx(EndTransferFunc *fn) | |
2142 | { | |
2143 | int i; | |
2144 | ||
2145 | for (i = 0; i < ARRAY_SIZE(transfer_end_table); i++) | |
2146 | if (transfer_end_table[i] == fn) | |
2147 | return i; | |
2148 | ||
2149 | return -1; | |
2150 | } | |
2151 | ||
2152 | static int ide_drive_post_load(void *opaque, int version_id) | |
2153 | { | |
2154 | IDEState *s = opaque; | |
2155 | ||
2156 | if (version_id < 3) { | |
2157 | if (s->sense_key == UNIT_ATTENTION && | |
2158 | s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) { | |
2159 | s->cdrom_changed = 1; | |
2160 | } | |
2161 | } | |
2162 | if (s->identify_set) { | |
2163 | bdrv_set_enable_write_cache(s->bs, !!(s->identify_data[85] & (1 << 5))); | |
2164 | } | |
2165 | return 0; | |
2166 | } | |
2167 | ||
2168 | static int ide_drive_pio_post_load(void *opaque, int version_id) | |
2169 | { | |
2170 | IDEState *s = opaque; | |
2171 | ||
2172 | if (s->end_transfer_fn_idx >= ARRAY_SIZE(transfer_end_table)) { | |
2173 | return -EINVAL; | |
2174 | } | |
2175 | s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx]; | |
2176 | s->data_ptr = s->io_buffer + s->cur_io_buffer_offset; | |
2177 | s->data_end = s->data_ptr + s->cur_io_buffer_len; | |
2178 | ||
2179 | return 0; | |
2180 | } | |
2181 | ||
2182 | static void ide_drive_pio_pre_save(void *opaque) | |
2183 | { | |
2184 | IDEState *s = opaque; | |
2185 | int idx; | |
2186 | ||
2187 | s->cur_io_buffer_offset = s->data_ptr - s->io_buffer; | |
2188 | s->cur_io_buffer_len = s->data_end - s->data_ptr; | |
2189 | ||
2190 | idx = transfer_end_table_idx(s->end_transfer_func); | |
2191 | if (idx == -1) { | |
2192 | fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n", | |
2193 | __func__); | |
2194 | s->end_transfer_fn_idx = 2; | |
2195 | } else { | |
2196 | s->end_transfer_fn_idx = idx; | |
2197 | } | |
2198 | } | |
2199 | ||
2200 | static bool ide_drive_pio_state_needed(void *opaque) | |
2201 | { | |
2202 | IDEState *s = opaque; | |
2203 | ||
2204 | return ((s->status & DRQ_STAT) != 0) | |
2205 | || (s->bus->error_status & BM_STATUS_PIO_RETRY); | |
2206 | } | |
2207 | ||
2208 | static bool ide_tray_state_needed(void *opaque) | |
2209 | { | |
2210 | IDEState *s = opaque; | |
2211 | ||
2212 | return s->tray_open || s->tray_locked; | |
2213 | } | |
2214 | ||
2215 | static bool ide_atapi_gesn_needed(void *opaque) | |
2216 | { | |
2217 | IDEState *s = opaque; | |
2218 | ||
2219 | return s->events.new_media || s->events.eject_request; | |
2220 | } | |
2221 | ||
2222 | static bool ide_error_needed(void *opaque) | |
2223 | { | |
2224 | IDEBus *bus = opaque; | |
2225 | ||
2226 | return (bus->error_status != 0); | |
2227 | } | |
2228 | ||
2229 | /* Fields for GET_EVENT_STATUS_NOTIFICATION ATAPI command */ | |
2230 | static const VMStateDescription vmstate_ide_atapi_gesn_state = { | |
2231 | .name ="ide_drive/atapi/gesn_state", | |
2232 | .version_id = 1, | |
2233 | .minimum_version_id = 1, | |
2234 | .minimum_version_id_old = 1, | |
2235 | .fields = (VMStateField []) { | |
2236 | VMSTATE_BOOL(events.new_media, IDEState), | |
2237 | VMSTATE_BOOL(events.eject_request, IDEState), | |
2238 | VMSTATE_END_OF_LIST() | |
2239 | } | |
2240 | }; | |
2241 | ||
2242 | static const VMStateDescription vmstate_ide_tray_state = { | |
2243 | .name = "ide_drive/tray_state", | |
2244 | .version_id = 1, | |
2245 | .minimum_version_id = 1, | |
2246 | .minimum_version_id_old = 1, | |
2247 | .fields = (VMStateField[]) { | |
2248 | VMSTATE_BOOL(tray_open, IDEState), | |
2249 | VMSTATE_BOOL(tray_locked, IDEState), | |
2250 | VMSTATE_END_OF_LIST() | |
2251 | } | |
2252 | }; | |
2253 | ||
2254 | static const VMStateDescription vmstate_ide_drive_pio_state = { | |
2255 | .name = "ide_drive/pio_state", | |
2256 | .version_id = 1, | |
2257 | .minimum_version_id = 1, | |
2258 | .minimum_version_id_old = 1, | |
2259 | .pre_save = ide_drive_pio_pre_save, | |
2260 | .post_load = ide_drive_pio_post_load, | |
2261 | .fields = (VMStateField []) { | |
2262 | VMSTATE_INT32(req_nb_sectors, IDEState), | |
2263 | VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1, | |
2264 | vmstate_info_uint8, uint8_t), | |
2265 | VMSTATE_INT32(cur_io_buffer_offset, IDEState), | |
2266 | VMSTATE_INT32(cur_io_buffer_len, IDEState), | |
2267 | VMSTATE_UINT8(end_transfer_fn_idx, IDEState), | |
2268 | VMSTATE_INT32(elementary_transfer_size, IDEState), | |
2269 | VMSTATE_INT32(packet_transfer_size, IDEState), | |
2270 | VMSTATE_END_OF_LIST() | |
2271 | } | |
2272 | }; | |
2273 | ||
2274 | const VMStateDescription vmstate_ide_drive = { | |
2275 | .name = "ide_drive", | |
2276 | .version_id = 3, | |
2277 | .minimum_version_id = 0, | |
2278 | .minimum_version_id_old = 0, | |
2279 | .post_load = ide_drive_post_load, | |
2280 | .fields = (VMStateField []) { | |
2281 | VMSTATE_INT32(mult_sectors, IDEState), | |
2282 | VMSTATE_INT32(identify_set, IDEState), | |
2283 | VMSTATE_BUFFER_TEST(identify_data, IDEState, is_identify_set), | |
2284 | VMSTATE_UINT8(feature, IDEState), | |
2285 | VMSTATE_UINT8(error, IDEState), | |
2286 | VMSTATE_UINT32(nsector, IDEState), | |
2287 | VMSTATE_UINT8(sector, IDEState), | |
2288 | VMSTATE_UINT8(lcyl, IDEState), | |
2289 | VMSTATE_UINT8(hcyl, IDEState), | |
2290 | VMSTATE_UINT8(hob_feature, IDEState), | |
2291 | VMSTATE_UINT8(hob_sector, IDEState), | |
2292 | VMSTATE_UINT8(hob_nsector, IDEState), | |
2293 | VMSTATE_UINT8(hob_lcyl, IDEState), | |
2294 | VMSTATE_UINT8(hob_hcyl, IDEState), | |
2295 | VMSTATE_UINT8(select, IDEState), | |
2296 | VMSTATE_UINT8(status, IDEState), | |
2297 | VMSTATE_UINT8(lba48, IDEState), | |
2298 | VMSTATE_UINT8(sense_key, IDEState), | |
2299 | VMSTATE_UINT8(asc, IDEState), | |
2300 | VMSTATE_UINT8_V(cdrom_changed, IDEState, 3), | |
2301 | VMSTATE_END_OF_LIST() | |
2302 | }, | |
2303 | .subsections = (VMStateSubsection []) { | |
2304 | { | |
2305 | .vmsd = &vmstate_ide_drive_pio_state, | |
2306 | .needed = ide_drive_pio_state_needed, | |
2307 | }, { | |
2308 | .vmsd = &vmstate_ide_tray_state, | |
2309 | .needed = ide_tray_state_needed, | |
2310 | }, { | |
2311 | .vmsd = &vmstate_ide_atapi_gesn_state, | |
2312 | .needed = ide_atapi_gesn_needed, | |
2313 | }, { | |
2314 | /* empty */ | |
2315 | } | |
2316 | } | |
2317 | }; | |
2318 | ||
2319 | static const VMStateDescription vmstate_ide_error_status = { | |
2320 | .name ="ide_bus/error", | |
2321 | .version_id = 1, | |
2322 | .minimum_version_id = 1, | |
2323 | .minimum_version_id_old = 1, | |
2324 | .fields = (VMStateField []) { | |
2325 | VMSTATE_INT32(error_status, IDEBus), | |
2326 | VMSTATE_END_OF_LIST() | |
2327 | } | |
2328 | }; | |
2329 | ||
2330 | const VMStateDescription vmstate_ide_bus = { | |
2331 | .name = "ide_bus", | |
2332 | .version_id = 1, | |
2333 | .minimum_version_id = 1, | |
2334 | .minimum_version_id_old = 1, | |
2335 | .fields = (VMStateField []) { | |
2336 | VMSTATE_UINT8(cmd, IDEBus), | |
2337 | VMSTATE_UINT8(unit, IDEBus), | |
2338 | VMSTATE_END_OF_LIST() | |
2339 | }, | |
2340 | .subsections = (VMStateSubsection []) { | |
2341 | { | |
2342 | .vmsd = &vmstate_ide_error_status, | |
2343 | .needed = ide_error_needed, | |
2344 | }, { | |
2345 | /* empty */ | |
2346 | } | |
2347 | } | |
2348 | }; | |
2349 | ||
2350 | void ide_drive_get(DriveInfo **hd, int max_bus) | |
2351 | { | |
2352 | int i; | |
2353 | ||
2354 | if (drive_get_max_bus(IF_IDE) >= max_bus) { | |
2355 | fprintf(stderr, "qemu: too many IDE bus: %d\n", max_bus); | |
2356 | exit(1); | |
2357 | } | |
2358 | ||
2359 | for(i = 0; i < max_bus * MAX_IDE_DEVS; i++) { | |
2360 | hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); | |
2361 | } | |
2362 | } |