]>
Commit | Line | Data |
---|---|---|
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/i386/pc.h> | |
27 | #include <hw/pci/pci.h> | |
28 | #include <hw/isa/isa.h> | |
29 | #include "qemu/error-report.h" | |
30 | #include "qemu/timer.h" | |
31 | #include "sysemu/sysemu.h" | |
32 | #include "sysemu/dma.h" | |
33 | #include "hw/block/block.h" | |
34 | #include "sysemu/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 | }; | |
57 | ||
58 | static int ide_handle_rw_error(IDEState *s, int error, int op); | |
59 | static void ide_dummy_transfer_stop(IDEState *s); | |
60 | ||
61 | static void padstr(char *str, const char *src, int len) | |
62 | { | |
63 | int i, v; | |
64 | for(i = 0; i < len; i++) { | |
65 | if (*src) | |
66 | v = *src++; | |
67 | else | |
68 | v = ' '; | |
69 | str[i^1] = v; | |
70 | } | |
71 | } | |
72 | ||
73 | static void put_le16(uint16_t *p, unsigned int v) | |
74 | { | |
75 | *p = cpu_to_le16(v); | |
76 | } | |
77 | ||
78 | static void ide_identify(IDEState *s) | |
79 | { | |
80 | uint16_t *p; | |
81 | unsigned int oldsize; | |
82 | IDEDevice *dev = s->unit ? s->bus->slave : s->bus->master; | |
83 | ||
84 | if (s->identify_set) { | |
85 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
86 | return; | |
87 | } | |
88 | ||
89 | memset(s->io_buffer, 0, 512); | |
90 | p = (uint16_t *)s->io_buffer; | |
91 | put_le16(p + 0, 0x0040); | |
92 | put_le16(p + 1, s->cylinders); | |
93 | put_le16(p + 3, s->heads); | |
94 | put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ | |
95 | put_le16(p + 5, 512); /* XXX: retired, remove ? */ | |
96 | put_le16(p + 6, s->sectors); | |
97 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ | |
98 | put_le16(p + 20, 3); /* XXX: retired, remove ? */ | |
99 | put_le16(p + 21, 512); /* cache size in sectors */ | |
100 | put_le16(p + 22, 4); /* ecc bytes */ | |
101 | padstr((char *)(p + 23), s->version, 8); /* firmware version */ | |
102 | padstr((char *)(p + 27), s->drive_model_str, 40); /* model */ | |
103 | #if MAX_MULT_SECTORS > 1 | |
104 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); | |
105 | #endif | |
106 | put_le16(p + 48, 1); /* dword I/O */ | |
107 | put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ | |
108 | put_le16(p + 51, 0x200); /* PIO transfer cycle */ | |
109 | put_le16(p + 52, 0x200); /* DMA transfer cycle */ | |
110 | put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ | |
111 | put_le16(p + 54, s->cylinders); | |
112 | put_le16(p + 55, s->heads); | |
113 | put_le16(p + 56, s->sectors); | |
114 | oldsize = s->cylinders * s->heads * s->sectors; | |
115 | put_le16(p + 57, oldsize); | |
116 | put_le16(p + 58, oldsize >> 16); | |
117 | if (s->mult_sectors) | |
118 | put_le16(p + 59, 0x100 | s->mult_sectors); | |
119 | put_le16(p + 60, s->nb_sectors); | |
120 | put_le16(p + 61, s->nb_sectors >> 16); | |
121 | put_le16(p + 62, 0x07); /* single word dma0-2 supported */ | |
122 | put_le16(p + 63, 0x07); /* mdma0-2 supported */ | |
123 | put_le16(p + 64, 0x03); /* pio3-4 supported */ | |
124 | put_le16(p + 65, 120); | |
125 | put_le16(p + 66, 120); | |
126 | put_le16(p + 67, 120); | |
127 | put_le16(p + 68, 120); | |
128 | if (dev && dev->conf.discard_granularity) { | |
129 | put_le16(p + 69, (1 << 14)); /* determinate TRIM behavior */ | |
130 | } | |
131 | ||
132 | if (s->ncq_queues) { | |
133 | put_le16(p + 75, s->ncq_queues - 1); | |
134 | /* NCQ supported */ | |
135 | put_le16(p + 76, (1 << 8)); | |
136 | } | |
137 | ||
138 | put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ | |
139 | put_le16(p + 81, 0x16); /* conforms to ata5 */ | |
140 | /* 14=NOP supported, 5=WCACHE supported, 0=SMART supported */ | |
141 | put_le16(p + 82, (1 << 14) | (1 << 5) | 1); | |
142 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ | |
143 | put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); | |
144 | /* 14=set to 1, 8=has WWN, 1=SMART self test, 0=SMART error logging */ | |
145 | if (s->wwn) { | |
146 | put_le16(p + 84, (1 << 14) | (1 << 8) | 0); | |
147 | } else { | |
148 | put_le16(p + 84, (1 << 14) | 0); | |
149 | } | |
150 | /* 14 = NOP supported, 5=WCACHE enabled, 0=SMART feature set enabled */ | |
151 | if (bdrv_enable_write_cache(s->bs)) | |
152 | put_le16(p + 85, (1 << 14) | (1 << 5) | 1); | |
153 | else | |
154 | put_le16(p + 85, (1 << 14) | 1); | |
155 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ | |
156 | put_le16(p + 86, (1 << 13) | (1 <<12) | (1 << 10)); | |
157 | /* 14=set to 1, 8=has WWN, 1=SMART self test, 0=SMART error logging */ | |
158 | if (s->wwn) { | |
159 | put_le16(p + 87, (1 << 14) | (1 << 8) | 0); | |
160 | } else { | |
161 | put_le16(p + 87, (1 << 14) | 0); | |
162 | } | |
163 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ | |
164 | put_le16(p + 93, 1 | (1 << 14) | 0x2000); | |
165 | put_le16(p + 100, s->nb_sectors); | |
166 | put_le16(p + 101, s->nb_sectors >> 16); | |
167 | put_le16(p + 102, s->nb_sectors >> 32); | |
168 | put_le16(p + 103, s->nb_sectors >> 48); | |
169 | ||
170 | if (dev && dev->conf.physical_block_size) | |
171 | put_le16(p + 106, 0x6000 | get_physical_block_exp(&dev->conf)); | |
172 | if (s->wwn) { | |
173 | /* LE 16-bit words 111-108 contain 64-bit World Wide Name */ | |
174 | put_le16(p + 108, s->wwn >> 48); | |
175 | put_le16(p + 109, s->wwn >> 32); | |
176 | put_le16(p + 110, s->wwn >> 16); | |
177 | put_le16(p + 111, s->wwn); | |
178 | } | |
179 | if (dev && dev->conf.discard_granularity) { | |
180 | put_le16(p + 169, 1); /* TRIM support */ | |
181 | } | |
182 | ||
183 | memcpy(s->identify_data, p, sizeof(s->identify_data)); | |
184 | s->identify_set = 1; | |
185 | } | |
186 | ||
187 | static void ide_atapi_identify(IDEState *s) | |
188 | { | |
189 | uint16_t *p; | |
190 | ||
191 | if (s->identify_set) { | |
192 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
193 | return; | |
194 | } | |
195 | ||
196 | memset(s->io_buffer, 0, 512); | |
197 | p = (uint16_t *)s->io_buffer; | |
198 | /* Removable CDROM, 50us response, 12 byte packets */ | |
199 | put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); | |
200 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ | |
201 | put_le16(p + 20, 3); /* buffer type */ | |
202 | put_le16(p + 21, 512); /* cache size in sectors */ | |
203 | put_le16(p + 22, 4); /* ecc bytes */ | |
204 | padstr((char *)(p + 23), s->version, 8); /* firmware version */ | |
205 | padstr((char *)(p + 27), s->drive_model_str, 40); /* model */ | |
206 | put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ | |
207 | #ifdef USE_DMA_CDROM | |
208 | put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ | |
209 | put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ | |
210 | put_le16(p + 62, 7); /* single word dma0-2 supported */ | |
211 | put_le16(p + 63, 7); /* mdma0-2 supported */ | |
212 | #else | |
213 | put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ | |
214 | put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ | |
215 | put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ | |
216 | #endif | |
217 | put_le16(p + 64, 3); /* pio3-4 supported */ | |
218 | put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ | |
219 | put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ | |
220 | put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ | |
221 | put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ | |
222 | ||
223 | put_le16(p + 71, 30); /* in ns */ | |
224 | put_le16(p + 72, 30); /* in ns */ | |
225 | ||
226 | if (s->ncq_queues) { | |
227 | put_le16(p + 75, s->ncq_queues - 1); | |
228 | /* NCQ supported */ | |
229 | put_le16(p + 76, (1 << 8)); | |
230 | } | |
231 | ||
232 | put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ | |
233 | #ifdef USE_DMA_CDROM | |
234 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ | |
235 | #endif | |
236 | memcpy(s->identify_data, p, sizeof(s->identify_data)); | |
237 | s->identify_set = 1; | |
238 | } | |
239 | ||
240 | static void ide_cfata_identify(IDEState *s) | |
241 | { | |
242 | uint16_t *p; | |
243 | uint32_t cur_sec; | |
244 | ||
245 | p = (uint16_t *) s->identify_data; | |
246 | if (s->identify_set) | |
247 | goto fill_buffer; | |
248 | ||
249 | memset(p, 0, sizeof(s->identify_data)); | |
250 | ||
251 | cur_sec = s->cylinders * s->heads * s->sectors; | |
252 | ||
253 | put_le16(p + 0, 0x848a); /* CF Storage Card signature */ | |
254 | put_le16(p + 1, s->cylinders); /* Default cylinders */ | |
255 | put_le16(p + 3, s->heads); /* Default heads */ | |
256 | put_le16(p + 6, s->sectors); /* Default sectors per track */ | |
257 | put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ | |
258 | put_le16(p + 8, s->nb_sectors); /* Sectors per card */ | |
259 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ | |
260 | put_le16(p + 22, 0x0004); /* ECC bytes */ | |
261 | padstr((char *) (p + 23), s->version, 8); /* Firmware Revision */ | |
262 | padstr((char *) (p + 27), s->drive_model_str, 40);/* Model number */ | |
263 | #if MAX_MULT_SECTORS > 1 | |
264 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); | |
265 | #else | |
266 | put_le16(p + 47, 0x0000); | |
267 | #endif | |
268 | put_le16(p + 49, 0x0f00); /* Capabilities */ | |
269 | put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ | |
270 | put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ | |
271 | put_le16(p + 53, 0x0003); /* Translation params valid */ | |
272 | put_le16(p + 54, s->cylinders); /* Current cylinders */ | |
273 | put_le16(p + 55, s->heads); /* Current heads */ | |
274 | put_le16(p + 56, s->sectors); /* Current sectors */ | |
275 | put_le16(p + 57, cur_sec); /* Current capacity */ | |
276 | put_le16(p + 58, cur_sec >> 16); /* Current capacity */ | |
277 | if (s->mult_sectors) /* Multiple sector setting */ | |
278 | put_le16(p + 59, 0x100 | s->mult_sectors); | |
279 | put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ | |
280 | put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ | |
281 | put_le16(p + 63, 0x0203); /* Multiword DMA capability */ | |
282 | put_le16(p + 64, 0x0001); /* Flow Control PIO support */ | |
283 | put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ | |
284 | put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ | |
285 | put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ | |
286 | put_le16(p + 82, 0x400c); /* Command Set supported */ | |
287 | put_le16(p + 83, 0x7068); /* Command Set supported */ | |
288 | put_le16(p + 84, 0x4000); /* Features supported */ | |
289 | put_le16(p + 85, 0x000c); /* Command Set enabled */ | |
290 | put_le16(p + 86, 0x7044); /* Command Set enabled */ | |
291 | put_le16(p + 87, 0x4000); /* Features enabled */ | |
292 | put_le16(p + 91, 0x4060); /* Current APM level */ | |
293 | put_le16(p + 129, 0x0002); /* Current features option */ | |
294 | put_le16(p + 130, 0x0005); /* Reassigned sectors */ | |
295 | put_le16(p + 131, 0x0001); /* Initial power mode */ | |
296 | put_le16(p + 132, 0x0000); /* User signature */ | |
297 | put_le16(p + 160, 0x8100); /* Power requirement */ | |
298 | put_le16(p + 161, 0x8001); /* CF command set */ | |
299 | ||
300 | s->identify_set = 1; | |
301 | ||
302 | fill_buffer: | |
303 | memcpy(s->io_buffer, p, sizeof(s->identify_data)); | |
304 | } | |
305 | ||
306 | static void ide_set_signature(IDEState *s) | |
307 | { | |
308 | s->select &= 0xf0; /* clear head */ | |
309 | /* put signature */ | |
310 | s->nsector = 1; | |
311 | s->sector = 1; | |
312 | if (s->drive_kind == IDE_CD) { | |
313 | s->lcyl = 0x14; | |
314 | s->hcyl = 0xeb; | |
315 | } else if (s->bs) { | |
316 | s->lcyl = 0; | |
317 | s->hcyl = 0; | |
318 | } else { | |
319 | s->lcyl = 0xff; | |
320 | s->hcyl = 0xff; | |
321 | } | |
322 | } | |
323 | ||
324 | typedef struct TrimAIOCB { | |
325 | BlockDriverAIOCB common; | |
326 | QEMUBH *bh; | |
327 | int ret; | |
328 | QEMUIOVector *qiov; | |
329 | BlockDriverAIOCB *aiocb; | |
330 | int i, j; | |
331 | } TrimAIOCB; | |
332 | ||
333 | static void trim_aio_cancel(BlockDriverAIOCB *acb) | |
334 | { | |
335 | TrimAIOCB *iocb = container_of(acb, TrimAIOCB, common); | |
336 | ||
337 | /* Exit the loop in case bdrv_aio_cancel calls ide_issue_trim_cb again. */ | |
338 | iocb->j = iocb->qiov->niov - 1; | |
339 | iocb->i = (iocb->qiov->iov[iocb->j].iov_len / 8) - 1; | |
340 | ||
341 | /* Tell ide_issue_trim_cb not to trigger the completion, too. */ | |
342 | qemu_bh_delete(iocb->bh); | |
343 | iocb->bh = NULL; | |
344 | ||
345 | if (iocb->aiocb) { | |
346 | bdrv_aio_cancel(iocb->aiocb); | |
347 | } | |
348 | qemu_aio_release(iocb); | |
349 | } | |
350 | ||
351 | static const AIOCBInfo trim_aiocb_info = { | |
352 | .aiocb_size = sizeof(TrimAIOCB), | |
353 | .cancel = trim_aio_cancel, | |
354 | }; | |
355 | ||
356 | static void ide_trim_bh_cb(void *opaque) | |
357 | { | |
358 | TrimAIOCB *iocb = opaque; | |
359 | ||
360 | iocb->common.cb(iocb->common.opaque, iocb->ret); | |
361 | ||
362 | qemu_bh_delete(iocb->bh); | |
363 | iocb->bh = NULL; | |
364 | qemu_aio_release(iocb); | |
365 | } | |
366 | ||
367 | static void ide_issue_trim_cb(void *opaque, int ret) | |
368 | { | |
369 | TrimAIOCB *iocb = opaque; | |
370 | if (ret >= 0) { | |
371 | while (iocb->j < iocb->qiov->niov) { | |
372 | int j = iocb->j; | |
373 | while (++iocb->i < iocb->qiov->iov[j].iov_len / 8) { | |
374 | int i = iocb->i; | |
375 | uint64_t *buffer = iocb->qiov->iov[j].iov_base; | |
376 | ||
377 | /* 6-byte LBA + 2-byte range per entry */ | |
378 | uint64_t entry = le64_to_cpu(buffer[i]); | |
379 | uint64_t sector = entry & 0x0000ffffffffffffULL; | |
380 | uint16_t count = entry >> 48; | |
381 | ||
382 | if (count == 0) { | |
383 | continue; | |
384 | } | |
385 | ||
386 | /* Got an entry! Submit and exit. */ | |
387 | iocb->aiocb = bdrv_aio_discard(iocb->common.bs, sector, count, | |
388 | ide_issue_trim_cb, opaque); | |
389 | return; | |
390 | } | |
391 | ||
392 | iocb->j++; | |
393 | iocb->i = -1; | |
394 | } | |
395 | } else { | |
396 | iocb->ret = ret; | |
397 | } | |
398 | ||
399 | iocb->aiocb = NULL; | |
400 | if (iocb->bh) { | |
401 | qemu_bh_schedule(iocb->bh); | |
402 | } | |
403 | } | |
404 | ||
405 | BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs, | |
406 | int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, | |
407 | BlockDriverCompletionFunc *cb, void *opaque) | |
408 | { | |
409 | TrimAIOCB *iocb; | |
410 | ||
411 | iocb = qemu_aio_get(&trim_aiocb_info, bs, cb, opaque); | |
412 | iocb->bh = qemu_bh_new(ide_trim_bh_cb, iocb); | |
413 | iocb->ret = 0; | |
414 | iocb->qiov = qiov; | |
415 | iocb->i = -1; | |
416 | iocb->j = 0; | |
417 | ide_issue_trim_cb(iocb, 0); | |
418 | return &iocb->common; | |
419 | } | |
420 | ||
421 | static inline void ide_abort_command(IDEState *s) | |
422 | { | |
423 | s->status = READY_STAT | ERR_STAT; | |
424 | s->error = ABRT_ERR; | |
425 | } | |
426 | ||
427 | /* prepare data transfer and tell what to do after */ | |
428 | void ide_transfer_start(IDEState *s, uint8_t *buf, int size, | |
429 | EndTransferFunc *end_transfer_func) | |
430 | { | |
431 | s->end_transfer_func = end_transfer_func; | |
432 | s->data_ptr = buf; | |
433 | s->data_end = buf + size; | |
434 | if (!(s->status & ERR_STAT)) { | |
435 | s->status |= DRQ_STAT; | |
436 | } | |
437 | s->bus->dma->ops->start_transfer(s->bus->dma); | |
438 | } | |
439 | ||
440 | void ide_transfer_stop(IDEState *s) | |
441 | { | |
442 | s->end_transfer_func = ide_transfer_stop; | |
443 | s->data_ptr = s->io_buffer; | |
444 | s->data_end = s->io_buffer; | |
445 | s->status &= ~DRQ_STAT; | |
446 | } | |
447 | ||
448 | int64_t ide_get_sector(IDEState *s) | |
449 | { | |
450 | int64_t sector_num; | |
451 | if (s->select & 0x40) { | |
452 | /* lba */ | |
453 | if (!s->lba48) { | |
454 | sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | | |
455 | (s->lcyl << 8) | s->sector; | |
456 | } else { | |
457 | sector_num = ((int64_t)s->hob_hcyl << 40) | | |
458 | ((int64_t) s->hob_lcyl << 32) | | |
459 | ((int64_t) s->hob_sector << 24) | | |
460 | ((int64_t) s->hcyl << 16) | | |
461 | ((int64_t) s->lcyl << 8) | s->sector; | |
462 | } | |
463 | } else { | |
464 | sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + | |
465 | (s->select & 0x0f) * s->sectors + (s->sector - 1); | |
466 | } | |
467 | return sector_num; | |
468 | } | |
469 | ||
470 | void ide_set_sector(IDEState *s, int64_t sector_num) | |
471 | { | |
472 | unsigned int cyl, r; | |
473 | if (s->select & 0x40) { | |
474 | if (!s->lba48) { | |
475 | s->select = (s->select & 0xf0) | (sector_num >> 24); | |
476 | s->hcyl = (sector_num >> 16); | |
477 | s->lcyl = (sector_num >> 8); | |
478 | s->sector = (sector_num); | |
479 | } else { | |
480 | s->sector = sector_num; | |
481 | s->lcyl = sector_num >> 8; | |
482 | s->hcyl = sector_num >> 16; | |
483 | s->hob_sector = sector_num >> 24; | |
484 | s->hob_lcyl = sector_num >> 32; | |
485 | s->hob_hcyl = sector_num >> 40; | |
486 | } | |
487 | } else { | |
488 | cyl = sector_num / (s->heads * s->sectors); | |
489 | r = sector_num % (s->heads * s->sectors); | |
490 | s->hcyl = cyl >> 8; | |
491 | s->lcyl = cyl; | |
492 | s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); | |
493 | s->sector = (r % s->sectors) + 1; | |
494 | } | |
495 | } | |
496 | ||
497 | static void ide_rw_error(IDEState *s) { | |
498 | ide_abort_command(s); | |
499 | ide_set_irq(s->bus); | |
500 | } | |
501 | ||
502 | static void ide_sector_read_cb(void *opaque, int ret) | |
503 | { | |
504 | IDEState *s = opaque; | |
505 | int n; | |
506 | ||
507 | s->pio_aiocb = NULL; | |
508 | s->status &= ~BUSY_STAT; | |
509 | ||
510 | bdrv_acct_done(s->bs, &s->acct); | |
511 | if (ret != 0) { | |
512 | if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY | | |
513 | BM_STATUS_RETRY_READ)) { | |
514 | return; | |
515 | } | |
516 | } | |
517 | ||
518 | n = s->nsector; | |
519 | if (n > s->req_nb_sectors) { | |
520 | n = s->req_nb_sectors; | |
521 | } | |
522 | ||
523 | /* Allow the guest to read the io_buffer */ | |
524 | ide_transfer_start(s, s->io_buffer, n * BDRV_SECTOR_SIZE, ide_sector_read); | |
525 | ||
526 | ide_set_irq(s->bus); | |
527 | ||
528 | ide_set_sector(s, ide_get_sector(s) + n); | |
529 | s->nsector -= n; | |
530 | } | |
531 | ||
532 | void ide_sector_read(IDEState *s) | |
533 | { | |
534 | int64_t sector_num; | |
535 | int n; | |
536 | ||
537 | s->status = READY_STAT | SEEK_STAT; | |
538 | s->error = 0; /* not needed by IDE spec, but needed by Windows */ | |
539 | sector_num = ide_get_sector(s); | |
540 | n = s->nsector; | |
541 | ||
542 | if (n == 0) { | |
543 | ide_transfer_stop(s); | |
544 | return; | |
545 | } | |
546 | ||
547 | s->status |= BUSY_STAT; | |
548 | ||
549 | if (n > s->req_nb_sectors) { | |
550 | n = s->req_nb_sectors; | |
551 | } | |
552 | ||
553 | #if defined(DEBUG_IDE) | |
554 | printf("sector=%" PRId64 "\n", sector_num); | |
555 | #endif | |
556 | ||
557 | s->iov.iov_base = s->io_buffer; | |
558 | s->iov.iov_len = n * BDRV_SECTOR_SIZE; | |
559 | qemu_iovec_init_external(&s->qiov, &s->iov, 1); | |
560 | ||
561 | bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); | |
562 | s->pio_aiocb = bdrv_aio_readv(s->bs, sector_num, &s->qiov, n, | |
563 | ide_sector_read_cb, s); | |
564 | } | |
565 | ||
566 | static void dma_buf_commit(IDEState *s) | |
567 | { | |
568 | qemu_sglist_destroy(&s->sg); | |
569 | } | |
570 | ||
571 | static void ide_async_cmd_done(IDEState *s) | |
572 | { | |
573 | if (s->bus->dma->ops->async_cmd_done) { | |
574 | s->bus->dma->ops->async_cmd_done(s->bus->dma); | |
575 | } | |
576 | } | |
577 | ||
578 | void ide_set_inactive(IDEState *s) | |
579 | { | |
580 | s->bus->dma->aiocb = NULL; | |
581 | s->bus->dma->ops->set_inactive(s->bus->dma); | |
582 | ide_async_cmd_done(s); | |
583 | } | |
584 | ||
585 | void ide_dma_error(IDEState *s) | |
586 | { | |
587 | ide_transfer_stop(s); | |
588 | s->error = ABRT_ERR; | |
589 | s->status = READY_STAT | ERR_STAT; | |
590 | ide_set_inactive(s); | |
591 | ide_set_irq(s->bus); | |
592 | } | |
593 | ||
594 | static int ide_handle_rw_error(IDEState *s, int error, int op) | |
595 | { | |
596 | bool is_read = (op & BM_STATUS_RETRY_READ) != 0; | |
597 | BlockErrorAction action = bdrv_get_error_action(s->bs, is_read, error); | |
598 | ||
599 | if (action == BDRV_ACTION_STOP) { | |
600 | s->bus->dma->ops->set_unit(s->bus->dma, s->unit); | |
601 | s->bus->error_status = op; | |
602 | } else if (action == BDRV_ACTION_REPORT) { | |
603 | if (op & BM_STATUS_DMA_RETRY) { | |
604 | dma_buf_commit(s); | |
605 | ide_dma_error(s); | |
606 | } else { | |
607 | ide_rw_error(s); | |
608 | } | |
609 | } | |
610 | bdrv_error_action(s->bs, action, is_read, error); | |
611 | return action != BDRV_ACTION_IGNORE; | |
612 | } | |
613 | ||
614 | void ide_dma_cb(void *opaque, int ret) | |
615 | { | |
616 | IDEState *s = opaque; | |
617 | int n; | |
618 | int64_t sector_num; | |
619 | bool stay_active = false; | |
620 | ||
621 | if (ret < 0) { | |
622 | int op = BM_STATUS_DMA_RETRY; | |
623 | ||
624 | if (s->dma_cmd == IDE_DMA_READ) | |
625 | op |= BM_STATUS_RETRY_READ; | |
626 | else if (s->dma_cmd == IDE_DMA_TRIM) | |
627 | op |= BM_STATUS_RETRY_TRIM; | |
628 | ||
629 | if (ide_handle_rw_error(s, -ret, op)) { | |
630 | return; | |
631 | } | |
632 | } | |
633 | ||
634 | n = s->io_buffer_size >> 9; | |
635 | if (n > s->nsector) { | |
636 | /* The PRDs were longer than needed for this request. Shorten them so | |
637 | * we don't get a negative remainder. The Active bit must remain set | |
638 | * after the request completes. */ | |
639 | n = s->nsector; | |
640 | stay_active = true; | |
641 | } | |
642 | ||
643 | sector_num = ide_get_sector(s); | |
644 | if (n > 0) { | |
645 | dma_buf_commit(s); | |
646 | sector_num += n; | |
647 | ide_set_sector(s, sector_num); | |
648 | s->nsector -= n; | |
649 | } | |
650 | ||
651 | /* end of transfer ? */ | |
652 | if (s->nsector == 0) { | |
653 | s->status = READY_STAT | SEEK_STAT; | |
654 | ide_set_irq(s->bus); | |
655 | goto eot; | |
656 | } | |
657 | ||
658 | /* launch next transfer */ | |
659 | n = s->nsector; | |
660 | s->io_buffer_index = 0; | |
661 | s->io_buffer_size = n * 512; | |
662 | if (s->bus->dma->ops->prepare_buf(s->bus->dma, ide_cmd_is_read(s)) == 0) { | |
663 | /* The PRDs were too short. Reset the Active bit, but don't raise an | |
664 | * interrupt. */ | |
665 | s->status = READY_STAT | SEEK_STAT; | |
666 | goto eot; | |
667 | } | |
668 | ||
669 | #ifdef DEBUG_AIO | |
670 | printf("ide_dma_cb: sector_num=%" PRId64 " n=%d, cmd_cmd=%d\n", | |
671 | sector_num, n, s->dma_cmd); | |
672 | #endif | |
673 | ||
674 | switch (s->dma_cmd) { | |
675 | case IDE_DMA_READ: | |
676 | s->bus->dma->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, | |
677 | ide_dma_cb, s); | |
678 | break; | |
679 | case IDE_DMA_WRITE: | |
680 | s->bus->dma->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, | |
681 | ide_dma_cb, s); | |
682 | break; | |
683 | case IDE_DMA_TRIM: | |
684 | s->bus->dma->aiocb = dma_bdrv_io(s->bs, &s->sg, sector_num, | |
685 | ide_issue_trim, ide_dma_cb, s, | |
686 | DMA_DIRECTION_TO_DEVICE); | |
687 | break; | |
688 | } | |
689 | return; | |
690 | ||
691 | eot: | |
692 | if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) { | |
693 | bdrv_acct_done(s->bs, &s->acct); | |
694 | } | |
695 | ide_set_inactive(s); | |
696 | if (stay_active) { | |
697 | s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_DMAING); | |
698 | } | |
699 | } | |
700 | ||
701 | static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd) | |
702 | { | |
703 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; | |
704 | s->io_buffer_index = 0; | |
705 | s->io_buffer_size = 0; | |
706 | s->dma_cmd = dma_cmd; | |
707 | ||
708 | switch (dma_cmd) { | |
709 | case IDE_DMA_READ: | |
710 | bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE, | |
711 | BDRV_ACCT_READ); | |
712 | break; | |
713 | case IDE_DMA_WRITE: | |
714 | bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE, | |
715 | BDRV_ACCT_WRITE); | |
716 | break; | |
717 | default: | |
718 | break; | |
719 | } | |
720 | ||
721 | s->bus->dma->ops->start_dma(s->bus->dma, s, ide_dma_cb); | |
722 | } | |
723 | ||
724 | static void ide_sector_write_timer_cb(void *opaque) | |
725 | { | |
726 | IDEState *s = opaque; | |
727 | ide_set_irq(s->bus); | |
728 | } | |
729 | ||
730 | static void ide_sector_write_cb(void *opaque, int ret) | |
731 | { | |
732 | IDEState *s = opaque; | |
733 | int n; | |
734 | ||
735 | bdrv_acct_done(s->bs, &s->acct); | |
736 | ||
737 | s->pio_aiocb = NULL; | |
738 | s->status &= ~BUSY_STAT; | |
739 | ||
740 | if (ret != 0) { | |
741 | if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY)) { | |
742 | return; | |
743 | } | |
744 | } | |
745 | ||
746 | n = s->nsector; | |
747 | if (n > s->req_nb_sectors) { | |
748 | n = s->req_nb_sectors; | |
749 | } | |
750 | s->nsector -= n; | |
751 | if (s->nsector == 0) { | |
752 | /* no more sectors to write */ | |
753 | ide_transfer_stop(s); | |
754 | } else { | |
755 | int n1 = s->nsector; | |
756 | if (n1 > s->req_nb_sectors) { | |
757 | n1 = s->req_nb_sectors; | |
758 | } | |
759 | ide_transfer_start(s, s->io_buffer, n1 * BDRV_SECTOR_SIZE, | |
760 | ide_sector_write); | |
761 | } | |
762 | ide_set_sector(s, ide_get_sector(s) + n); | |
763 | ||
764 | if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { | |
765 | /* It seems there is a bug in the Windows 2000 installer HDD | |
766 | IDE driver which fills the disk with empty logs when the | |
767 | IDE write IRQ comes too early. This hack tries to correct | |
768 | that at the expense of slower write performances. Use this | |
769 | option _only_ to install Windows 2000. You must disable it | |
770 | for normal use. */ | |
771 | qemu_mod_timer(s->sector_write_timer, | |
772 | qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 1000)); | |
773 | } else { | |
774 | ide_set_irq(s->bus); | |
775 | } | |
776 | } | |
777 | ||
778 | void ide_sector_write(IDEState *s) | |
779 | { | |
780 | int64_t sector_num; | |
781 | int n; | |
782 | ||
783 | s->status = READY_STAT | SEEK_STAT | BUSY_STAT; | |
784 | sector_num = ide_get_sector(s); | |
785 | #if defined(DEBUG_IDE) | |
786 | printf("sector=%" PRId64 "\n", sector_num); | |
787 | #endif | |
788 | n = s->nsector; | |
789 | if (n > s->req_nb_sectors) { | |
790 | n = s->req_nb_sectors; | |
791 | } | |
792 | ||
793 | s->iov.iov_base = s->io_buffer; | |
794 | s->iov.iov_len = n * BDRV_SECTOR_SIZE; | |
795 | qemu_iovec_init_external(&s->qiov, &s->iov, 1); | |
796 | ||
797 | bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); | |
798 | s->pio_aiocb = bdrv_aio_writev(s->bs, sector_num, &s->qiov, n, | |
799 | ide_sector_write_cb, s); | |
800 | } | |
801 | ||
802 | static void ide_flush_cb(void *opaque, int ret) | |
803 | { | |
804 | IDEState *s = opaque; | |
805 | ||
806 | if (ret < 0) { | |
807 | /* XXX: What sector number to set here? */ | |
808 | if (ide_handle_rw_error(s, -ret, BM_STATUS_RETRY_FLUSH)) { | |
809 | return; | |
810 | } | |
811 | } | |
812 | ||
813 | bdrv_acct_done(s->bs, &s->acct); | |
814 | s->status = READY_STAT | SEEK_STAT; | |
815 | ide_async_cmd_done(s); | |
816 | ide_set_irq(s->bus); | |
817 | } | |
818 | ||
819 | void ide_flush_cache(IDEState *s) | |
820 | { | |
821 | if (s->bs == NULL) { | |
822 | ide_flush_cb(s, 0); | |
823 | return; | |
824 | } | |
825 | ||
826 | s->status |= BUSY_STAT; | |
827 | bdrv_acct_start(s->bs, &s->acct, 0, BDRV_ACCT_FLUSH); | |
828 | bdrv_aio_flush(s->bs, ide_flush_cb, s); | |
829 | } | |
830 | ||
831 | static void ide_cfata_metadata_inquiry(IDEState *s) | |
832 | { | |
833 | uint16_t *p; | |
834 | uint32_t spd; | |
835 | ||
836 | p = (uint16_t *) s->io_buffer; | |
837 | memset(p, 0, 0x200); | |
838 | spd = ((s->mdata_size - 1) >> 9) + 1; | |
839 | ||
840 | put_le16(p + 0, 0x0001); /* Data format revision */ | |
841 | put_le16(p + 1, 0x0000); /* Media property: silicon */ | |
842 | put_le16(p + 2, s->media_changed); /* Media status */ | |
843 | put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ | |
844 | put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ | |
845 | put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ | |
846 | put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ | |
847 | } | |
848 | ||
849 | static void ide_cfata_metadata_read(IDEState *s) | |
850 | { | |
851 | uint16_t *p; | |
852 | ||
853 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
854 | s->status = ERR_STAT; | |
855 | s->error = ABRT_ERR; | |
856 | return; | |
857 | } | |
858 | ||
859 | p = (uint16_t *) s->io_buffer; | |
860 | memset(p, 0, 0x200); | |
861 | ||
862 | put_le16(p + 0, s->media_changed); /* Media status */ | |
863 | memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
864 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
865 | s->nsector << 9), 0x200 - 2)); | |
866 | } | |
867 | ||
868 | static void ide_cfata_metadata_write(IDEState *s) | |
869 | { | |
870 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
871 | s->status = ERR_STAT; | |
872 | s->error = ABRT_ERR; | |
873 | return; | |
874 | } | |
875 | ||
876 | s->media_changed = 0; | |
877 | ||
878 | memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
879 | s->io_buffer + 2, | |
880 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
881 | s->nsector << 9), 0x200 - 2)); | |
882 | } | |
883 | ||
884 | /* called when the inserted state of the media has changed */ | |
885 | static void ide_cd_change_cb(void *opaque, bool load) | |
886 | { | |
887 | IDEState *s = opaque; | |
888 | uint64_t nb_sectors; | |
889 | ||
890 | s->tray_open = !load; | |
891 | bdrv_get_geometry(s->bs, &nb_sectors); | |
892 | s->nb_sectors = nb_sectors; | |
893 | ||
894 | /* | |
895 | * First indicate to the guest that a CD has been removed. That's | |
896 | * done on the next command the guest sends us. | |
897 | * | |
898 | * Then we set UNIT_ATTENTION, by which the guest will | |
899 | * detect a new CD in the drive. See ide_atapi_cmd() for details. | |
900 | */ | |
901 | s->cdrom_changed = 1; | |
902 | s->events.new_media = true; | |
903 | s->events.eject_request = false; | |
904 | ide_set_irq(s->bus); | |
905 | } | |
906 | ||
907 | static void ide_cd_eject_request_cb(void *opaque, bool force) | |
908 | { | |
909 | IDEState *s = opaque; | |
910 | ||
911 | s->events.eject_request = true; | |
912 | if (force) { | |
913 | s->tray_locked = false; | |
914 | } | |
915 | ide_set_irq(s->bus); | |
916 | } | |
917 | ||
918 | static void ide_cmd_lba48_transform(IDEState *s, int lba48) | |
919 | { | |
920 | s->lba48 = lba48; | |
921 | ||
922 | /* handle the 'magic' 0 nsector count conversion here. to avoid | |
923 | * fiddling with the rest of the read logic, we just store the | |
924 | * full sector count in ->nsector and ignore ->hob_nsector from now | |
925 | */ | |
926 | if (!s->lba48) { | |
927 | if (!s->nsector) | |
928 | s->nsector = 256; | |
929 | } else { | |
930 | if (!s->nsector && !s->hob_nsector) | |
931 | s->nsector = 65536; | |
932 | else { | |
933 | int lo = s->nsector; | |
934 | int hi = s->hob_nsector; | |
935 | ||
936 | s->nsector = (hi << 8) | lo; | |
937 | } | |
938 | } | |
939 | } | |
940 | ||
941 | static void ide_clear_hob(IDEBus *bus) | |
942 | { | |
943 | /* any write clears HOB high bit of device control register */ | |
944 | bus->ifs[0].select &= ~(1 << 7); | |
945 | bus->ifs[1].select &= ~(1 << 7); | |
946 | } | |
947 | ||
948 | void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) | |
949 | { | |
950 | IDEBus *bus = opaque; | |
951 | ||
952 | #ifdef DEBUG_IDE | |
953 | printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); | |
954 | #endif | |
955 | ||
956 | addr &= 7; | |
957 | ||
958 | /* ignore writes to command block while busy with previous command */ | |
959 | if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) | |
960 | return; | |
961 | ||
962 | switch(addr) { | |
963 | case 0: | |
964 | break; | |
965 | case 1: | |
966 | ide_clear_hob(bus); | |
967 | /* NOTE: data is written to the two drives */ | |
968 | bus->ifs[0].hob_feature = bus->ifs[0].feature; | |
969 | bus->ifs[1].hob_feature = bus->ifs[1].feature; | |
970 | bus->ifs[0].feature = val; | |
971 | bus->ifs[1].feature = val; | |
972 | break; | |
973 | case 2: | |
974 | ide_clear_hob(bus); | |
975 | bus->ifs[0].hob_nsector = bus->ifs[0].nsector; | |
976 | bus->ifs[1].hob_nsector = bus->ifs[1].nsector; | |
977 | bus->ifs[0].nsector = val; | |
978 | bus->ifs[1].nsector = val; | |
979 | break; | |
980 | case 3: | |
981 | ide_clear_hob(bus); | |
982 | bus->ifs[0].hob_sector = bus->ifs[0].sector; | |
983 | bus->ifs[1].hob_sector = bus->ifs[1].sector; | |
984 | bus->ifs[0].sector = val; | |
985 | bus->ifs[1].sector = val; | |
986 | break; | |
987 | case 4: | |
988 | ide_clear_hob(bus); | |
989 | bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; | |
990 | bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; | |
991 | bus->ifs[0].lcyl = val; | |
992 | bus->ifs[1].lcyl = val; | |
993 | break; | |
994 | case 5: | |
995 | ide_clear_hob(bus); | |
996 | bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; | |
997 | bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; | |
998 | bus->ifs[0].hcyl = val; | |
999 | bus->ifs[1].hcyl = val; | |
1000 | break; | |
1001 | case 6: | |
1002 | /* FIXME: HOB readback uses bit 7 */ | |
1003 | bus->ifs[0].select = (val & ~0x10) | 0xa0; | |
1004 | bus->ifs[1].select = (val | 0x10) | 0xa0; | |
1005 | /* select drive */ | |
1006 | bus->unit = (val >> 4) & 1; | |
1007 | break; | |
1008 | default: | |
1009 | case 7: | |
1010 | /* command */ | |
1011 | ide_exec_cmd(bus, val); | |
1012 | break; | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | static bool cmd_nop(IDEState *s, uint8_t cmd) | |
1017 | { | |
1018 | return true; | |
1019 | } | |
1020 | ||
1021 | static bool cmd_data_set_management(IDEState *s, uint8_t cmd) | |
1022 | { | |
1023 | switch (s->feature) { | |
1024 | case DSM_TRIM: | |
1025 | if (s->bs) { | |
1026 | ide_sector_start_dma(s, IDE_DMA_TRIM); | |
1027 | return false; | |
1028 | } | |
1029 | break; | |
1030 | } | |
1031 | ||
1032 | ide_abort_command(s); | |
1033 | return true; | |
1034 | } | |
1035 | ||
1036 | static bool cmd_identify(IDEState *s, uint8_t cmd) | |
1037 | { | |
1038 | if (s->bs && s->drive_kind != IDE_CD) { | |
1039 | if (s->drive_kind != IDE_CFATA) { | |
1040 | ide_identify(s); | |
1041 | } else { | |
1042 | ide_cfata_identify(s); | |
1043 | } | |
1044 | s->status = READY_STAT | SEEK_STAT; | |
1045 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); | |
1046 | ide_set_irq(s->bus); | |
1047 | return false; | |
1048 | } else { | |
1049 | if (s->drive_kind == IDE_CD) { | |
1050 | ide_set_signature(s); | |
1051 | } | |
1052 | ide_abort_command(s); | |
1053 | } | |
1054 | ||
1055 | return true; | |
1056 | } | |
1057 | ||
1058 | static bool cmd_verify(IDEState *s, uint8_t cmd) | |
1059 | { | |
1060 | bool lba48 = (cmd == WIN_VERIFY_EXT); | |
1061 | ||
1062 | /* do sector number check ? */ | |
1063 | ide_cmd_lba48_transform(s, lba48); | |
1064 | ||
1065 | return true; | |
1066 | } | |
1067 | ||
1068 | static bool cmd_set_multiple_mode(IDEState *s, uint8_t cmd) | |
1069 | { | |
1070 | if (s->drive_kind == IDE_CFATA && s->nsector == 0) { | |
1071 | /* Disable Read and Write Multiple */ | |
1072 | s->mult_sectors = 0; | |
1073 | } else if ((s->nsector & 0xff) != 0 && | |
1074 | ((s->nsector & 0xff) > MAX_MULT_SECTORS || | |
1075 | (s->nsector & (s->nsector - 1)) != 0)) { | |
1076 | ide_abort_command(s); | |
1077 | } else { | |
1078 | s->mult_sectors = s->nsector & 0xff; | |
1079 | } | |
1080 | ||
1081 | return true; | |
1082 | } | |
1083 | ||
1084 | static bool cmd_read_multiple(IDEState *s, uint8_t cmd) | |
1085 | { | |
1086 | bool lba48 = (cmd == WIN_MULTREAD_EXT); | |
1087 | ||
1088 | if (!s->bs || !s->mult_sectors) { | |
1089 | ide_abort_command(s); | |
1090 | return true; | |
1091 | } | |
1092 | ||
1093 | ide_cmd_lba48_transform(s, lba48); | |
1094 | s->req_nb_sectors = s->mult_sectors; | |
1095 | ide_sector_read(s); | |
1096 | return false; | |
1097 | } | |
1098 | ||
1099 | static bool cmd_write_multiple(IDEState *s, uint8_t cmd) | |
1100 | { | |
1101 | bool lba48 = (cmd == WIN_MULTWRITE_EXT); | |
1102 | int n; | |
1103 | ||
1104 | if (!s->bs || !s->mult_sectors) { | |
1105 | ide_abort_command(s); | |
1106 | return true; | |
1107 | } | |
1108 | ||
1109 | ide_cmd_lba48_transform(s, lba48); | |
1110 | ||
1111 | s->req_nb_sectors = s->mult_sectors; | |
1112 | n = MIN(s->nsector, s->req_nb_sectors); | |
1113 | ||
1114 | s->status = SEEK_STAT | READY_STAT; | |
1115 | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write); | |
1116 | ||
1117 | s->media_changed = 1; | |
1118 | ||
1119 | return false; | |
1120 | } | |
1121 | ||
1122 | static bool cmd_read_pio(IDEState *s, uint8_t cmd) | |
1123 | { | |
1124 | bool lba48 = (cmd == WIN_READ_EXT); | |
1125 | ||
1126 | if (s->drive_kind == IDE_CD) { | |
1127 | ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */ | |
1128 | ide_abort_command(s); | |
1129 | return true; | |
1130 | } | |
1131 | ||
1132 | if (!s->bs) { | |
1133 | ide_abort_command(s); | |
1134 | return true; | |
1135 | } | |
1136 | ||
1137 | ide_cmd_lba48_transform(s, lba48); | |
1138 | s->req_nb_sectors = 1; | |
1139 | ide_sector_read(s); | |
1140 | ||
1141 | return false; | |
1142 | } | |
1143 | ||
1144 | static bool cmd_write_pio(IDEState *s, uint8_t cmd) | |
1145 | { | |
1146 | bool lba48 = (cmd == WIN_WRITE_EXT); | |
1147 | ||
1148 | if (!s->bs) { | |
1149 | ide_abort_command(s); | |
1150 | return true; | |
1151 | } | |
1152 | ||
1153 | ide_cmd_lba48_transform(s, lba48); | |
1154 | ||
1155 | s->req_nb_sectors = 1; | |
1156 | s->status = SEEK_STAT | READY_STAT; | |
1157 | ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); | |
1158 | ||
1159 | s->media_changed = 1; | |
1160 | ||
1161 | return false; | |
1162 | } | |
1163 | ||
1164 | static bool cmd_read_dma(IDEState *s, uint8_t cmd) | |
1165 | { | |
1166 | bool lba48 = (cmd == WIN_READDMA_EXT); | |
1167 | ||
1168 | if (!s->bs) { | |
1169 | ide_abort_command(s); | |
1170 | return true; | |
1171 | } | |
1172 | ||
1173 | ide_cmd_lba48_transform(s, lba48); | |
1174 | ide_sector_start_dma(s, IDE_DMA_READ); | |
1175 | ||
1176 | return false; | |
1177 | } | |
1178 | ||
1179 | static bool cmd_write_dma(IDEState *s, uint8_t cmd) | |
1180 | { | |
1181 | bool lba48 = (cmd == WIN_WRITEDMA_EXT); | |
1182 | ||
1183 | if (!s->bs) { | |
1184 | ide_abort_command(s); | |
1185 | return true; | |
1186 | } | |
1187 | ||
1188 | ide_cmd_lba48_transform(s, lba48); | |
1189 | ide_sector_start_dma(s, IDE_DMA_WRITE); | |
1190 | ||
1191 | s->media_changed = 1; | |
1192 | ||
1193 | return false; | |
1194 | } | |
1195 | ||
1196 | static bool cmd_flush_cache(IDEState *s, uint8_t cmd) | |
1197 | { | |
1198 | ide_flush_cache(s); | |
1199 | return false; | |
1200 | } | |
1201 | ||
1202 | static bool cmd_seek(IDEState *s, uint8_t cmd) | |
1203 | { | |
1204 | /* XXX: Check that seek is within bounds */ | |
1205 | return true; | |
1206 | } | |
1207 | ||
1208 | static bool cmd_read_native_max(IDEState *s, uint8_t cmd) | |
1209 | { | |
1210 | bool lba48 = (cmd == WIN_READ_NATIVE_MAX_EXT); | |
1211 | ||
1212 | /* Refuse if no sectors are addressable (e.g. medium not inserted) */ | |
1213 | if (s->nb_sectors == 0) { | |
1214 | ide_abort_command(s); | |
1215 | return true; | |
1216 | } | |
1217 | ||
1218 | ide_cmd_lba48_transform(s, lba48); | |
1219 | ide_set_sector(s, s->nb_sectors - 1); | |
1220 | ||
1221 | return true; | |
1222 | } | |
1223 | ||
1224 | static bool cmd_check_power_mode(IDEState *s, uint8_t cmd) | |
1225 | { | |
1226 | s->nsector = 0xff; /* device active or idle */ | |
1227 | return true; | |
1228 | } | |
1229 | ||
1230 | static bool cmd_set_features(IDEState *s, uint8_t cmd) | |
1231 | { | |
1232 | uint16_t *identify_data; | |
1233 | ||
1234 | if (!s->bs) { | |
1235 | ide_abort_command(s); | |
1236 | return true; | |
1237 | } | |
1238 | ||
1239 | /* XXX: valid for CDROM ? */ | |
1240 | switch (s->feature) { | |
1241 | case 0x02: /* write cache enable */ | |
1242 | bdrv_set_enable_write_cache(s->bs, true); | |
1243 | identify_data = (uint16_t *)s->identify_data; | |
1244 | put_le16(identify_data + 85, (1 << 14) | (1 << 5) | 1); | |
1245 | return true; | |
1246 | case 0x82: /* write cache disable */ | |
1247 | bdrv_set_enable_write_cache(s->bs, false); | |
1248 | identify_data = (uint16_t *)s->identify_data; | |
1249 | put_le16(identify_data + 85, (1 << 14) | 1); | |
1250 | ide_flush_cache(s); | |
1251 | return false; | |
1252 | case 0xcc: /* reverting to power-on defaults enable */ | |
1253 | case 0x66: /* reverting to power-on defaults disable */ | |
1254 | case 0xaa: /* read look-ahead enable */ | |
1255 | case 0x55: /* read look-ahead disable */ | |
1256 | case 0x05: /* set advanced power management mode */ | |
1257 | case 0x85: /* disable advanced power management mode */ | |
1258 | case 0x69: /* NOP */ | |
1259 | case 0x67: /* NOP */ | |
1260 | case 0x96: /* NOP */ | |
1261 | case 0x9a: /* NOP */ | |
1262 | case 0x42: /* enable Automatic Acoustic Mode */ | |
1263 | case 0xc2: /* disable Automatic Acoustic Mode */ | |
1264 | return true; | |
1265 | case 0x03: /* set transfer mode */ | |
1266 | { | |
1267 | uint8_t val = s->nsector & 0x07; | |
1268 | identify_data = (uint16_t *)s->identify_data; | |
1269 | ||
1270 | switch (s->nsector >> 3) { | |
1271 | case 0x00: /* pio default */ | |
1272 | case 0x01: /* pio mode */ | |
1273 | put_le16(identify_data + 62, 0x07); | |
1274 | put_le16(identify_data + 63, 0x07); | |
1275 | put_le16(identify_data + 88, 0x3f); | |
1276 | break; | |
1277 | case 0x02: /* sigle word dma mode*/ | |
1278 | put_le16(identify_data + 62, 0x07 | (1 << (val + 8))); | |
1279 | put_le16(identify_data + 63, 0x07); | |
1280 | put_le16(identify_data + 88, 0x3f); | |
1281 | break; | |
1282 | case 0x04: /* mdma mode */ | |
1283 | put_le16(identify_data + 62, 0x07); | |
1284 | put_le16(identify_data + 63, 0x07 | (1 << (val + 8))); | |
1285 | put_le16(identify_data + 88, 0x3f); | |
1286 | break; | |
1287 | case 0x08: /* udma mode */ | |
1288 | put_le16(identify_data + 62, 0x07); | |
1289 | put_le16(identify_data + 63, 0x07); | |
1290 | put_le16(identify_data + 88, 0x3f | (1 << (val + 8))); | |
1291 | break; | |
1292 | default: | |
1293 | goto abort_cmd; | |
1294 | } | |
1295 | return true; | |
1296 | } | |
1297 | } | |
1298 | ||
1299 | abort_cmd: | |
1300 | ide_abort_command(s); | |
1301 | return true; | |
1302 | } | |
1303 | ||
1304 | ||
1305 | /*** ATAPI commands ***/ | |
1306 | ||
1307 | static bool cmd_identify_packet(IDEState *s, uint8_t cmd) | |
1308 | { | |
1309 | ide_atapi_identify(s); | |
1310 | s->status = READY_STAT | SEEK_STAT; | |
1311 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); | |
1312 | ide_set_irq(s->bus); | |
1313 | return false; | |
1314 | } | |
1315 | ||
1316 | static bool cmd_exec_dev_diagnostic(IDEState *s, uint8_t cmd) | |
1317 | { | |
1318 | ide_set_signature(s); | |
1319 | ||
1320 | if (s->drive_kind == IDE_CD) { | |
1321 | s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet | |
1322 | * devices to return a clear status register | |
1323 | * with READY_STAT *not* set. */ | |
1324 | } else { | |
1325 | s->status = READY_STAT | SEEK_STAT; | |
1326 | /* The bits of the error register are not as usual for this command! | |
1327 | * They are part of the regular output (this is why ERR_STAT isn't set) | |
1328 | * Device 0 passed, Device 1 passed or not present. */ | |
1329 | s->error = 0x01; | |
1330 | ide_set_irq(s->bus); | |
1331 | } | |
1332 | ||
1333 | return false; | |
1334 | } | |
1335 | ||
1336 | static bool cmd_device_reset(IDEState *s, uint8_t cmd) | |
1337 | { | |
1338 | ide_set_signature(s); | |
1339 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
1340 | s->error = 0x01; | |
1341 | ||
1342 | return false; | |
1343 | } | |
1344 | ||
1345 | static bool cmd_packet(IDEState *s, uint8_t cmd) | |
1346 | { | |
1347 | /* overlapping commands not supported */ | |
1348 | if (s->feature & 0x02) { | |
1349 | ide_abort_command(s); | |
1350 | return true; | |
1351 | } | |
1352 | ||
1353 | s->status = READY_STAT | SEEK_STAT; | |
1354 | s->atapi_dma = s->feature & 1; | |
1355 | s->nsector = 1; | |
1356 | ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, | |
1357 | ide_atapi_cmd); | |
1358 | return false; | |
1359 | } | |
1360 | ||
1361 | ||
1362 | /*** CF-ATA commands ***/ | |
1363 | ||
1364 | static bool cmd_cfa_req_ext_error_code(IDEState *s, uint8_t cmd) | |
1365 | { | |
1366 | s->error = 0x09; /* miscellaneous error */ | |
1367 | s->status = READY_STAT | SEEK_STAT; | |
1368 | ide_set_irq(s->bus); | |
1369 | ||
1370 | return false; | |
1371 | } | |
1372 | ||
1373 | static bool cmd_cfa_erase_sectors(IDEState *s, uint8_t cmd) | |
1374 | { | |
1375 | /* WIN_SECURITY_FREEZE_LOCK has the same ID as CFA_WEAR_LEVEL and is | |
1376 | * required for Windows 8 to work with AHCI */ | |
1377 | ||
1378 | if (cmd == CFA_WEAR_LEVEL) { | |
1379 | s->nsector = 0; | |
1380 | } | |
1381 | ||
1382 | if (cmd == CFA_ERASE_SECTORS) { | |
1383 | s->media_changed = 1; | |
1384 | } | |
1385 | ||
1386 | return true; | |
1387 | } | |
1388 | ||
1389 | static bool cmd_cfa_translate_sector(IDEState *s, uint8_t cmd) | |
1390 | { | |
1391 | s->status = READY_STAT | SEEK_STAT; | |
1392 | ||
1393 | memset(s->io_buffer, 0, 0x200); | |
1394 | s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ | |
1395 | s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ | |
1396 | s->io_buffer[0x02] = s->select; /* Head */ | |
1397 | s->io_buffer[0x03] = s->sector; /* Sector */ | |
1398 | s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ | |
1399 | s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ | |
1400 | s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ | |
1401 | s->io_buffer[0x13] = 0x00; /* Erase flag */ | |
1402 | s->io_buffer[0x18] = 0x00; /* Hot count */ | |
1403 | s->io_buffer[0x19] = 0x00; /* Hot count */ | |
1404 | s->io_buffer[0x1a] = 0x01; /* Hot count */ | |
1405 | ||
1406 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1407 | ide_set_irq(s->bus); | |
1408 | ||
1409 | return false; | |
1410 | } | |
1411 | ||
1412 | static bool cmd_cfa_access_metadata_storage(IDEState *s, uint8_t cmd) | |
1413 | { | |
1414 | switch (s->feature) { | |
1415 | case 0x02: /* Inquiry Metadata Storage */ | |
1416 | ide_cfata_metadata_inquiry(s); | |
1417 | break; | |
1418 | case 0x03: /* Read Metadata Storage */ | |
1419 | ide_cfata_metadata_read(s); | |
1420 | break; | |
1421 | case 0x04: /* Write Metadata Storage */ | |
1422 | ide_cfata_metadata_write(s); | |
1423 | break; | |
1424 | default: | |
1425 | ide_abort_command(s); | |
1426 | return true; | |
1427 | } | |
1428 | ||
1429 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1430 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
1431 | ide_set_irq(s->bus); | |
1432 | ||
1433 | return false; | |
1434 | } | |
1435 | ||
1436 | static bool cmd_ibm_sense_condition(IDEState *s, uint8_t cmd) | |
1437 | { | |
1438 | switch (s->feature) { | |
1439 | case 0x01: /* sense temperature in device */ | |
1440 | s->nsector = 0x50; /* +20 C */ | |
1441 | break; | |
1442 | default: | |
1443 | ide_abort_command(s); | |
1444 | return true; | |
1445 | } | |
1446 | ||
1447 | return true; | |
1448 | } | |
1449 | ||
1450 | ||
1451 | /*** SMART commands ***/ | |
1452 | ||
1453 | static bool cmd_smart(IDEState *s, uint8_t cmd) | |
1454 | { | |
1455 | int n; | |
1456 | ||
1457 | if (s->hcyl != 0xc2 || s->lcyl != 0x4f) { | |
1458 | goto abort_cmd; | |
1459 | } | |
1460 | ||
1461 | if (!s->smart_enabled && s->feature != SMART_ENABLE) { | |
1462 | goto abort_cmd; | |
1463 | } | |
1464 | ||
1465 | switch (s->feature) { | |
1466 | case SMART_DISABLE: | |
1467 | s->smart_enabled = 0; | |
1468 | return true; | |
1469 | ||
1470 | case SMART_ENABLE: | |
1471 | s->smart_enabled = 1; | |
1472 | return true; | |
1473 | ||
1474 | case SMART_ATTR_AUTOSAVE: | |
1475 | switch (s->sector) { | |
1476 | case 0x00: | |
1477 | s->smart_autosave = 0; | |
1478 | break; | |
1479 | case 0xf1: | |
1480 | s->smart_autosave = 1; | |
1481 | break; | |
1482 | default: | |
1483 | goto abort_cmd; | |
1484 | } | |
1485 | return true; | |
1486 | ||
1487 | case SMART_STATUS: | |
1488 | if (!s->smart_errors) { | |
1489 | s->hcyl = 0xc2; | |
1490 | s->lcyl = 0x4f; | |
1491 | } else { | |
1492 | s->hcyl = 0x2c; | |
1493 | s->lcyl = 0xf4; | |
1494 | } | |
1495 | return true; | |
1496 | ||
1497 | case SMART_READ_THRESH: | |
1498 | memset(s->io_buffer, 0, 0x200); | |
1499 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
1500 | ||
1501 | for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) { | |
1502 | s->io_buffer[2 + 0 + (n * 12)] = smart_attributes[n][0]; | |
1503 | s->io_buffer[2 + 1 + (n * 12)] = smart_attributes[n][11]; | |
1504 | } | |
1505 | ||
1506 | /* checksum */ | |
1507 | for (n = 0; n < 511; n++) { | |
1508 | s->io_buffer[511] += s->io_buffer[n]; | |
1509 | } | |
1510 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
1511 | ||
1512 | s->status = READY_STAT | SEEK_STAT; | |
1513 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1514 | ide_set_irq(s->bus); | |
1515 | return false; | |
1516 | ||
1517 | case SMART_READ_DATA: | |
1518 | memset(s->io_buffer, 0, 0x200); | |
1519 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
1520 | ||
1521 | for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) { | |
1522 | int i; | |
1523 | for (i = 0; i < 11; i++) { | |
1524 | s->io_buffer[2 + i + (n * 12)] = smart_attributes[n][i]; | |
1525 | } | |
1526 | } | |
1527 | ||
1528 | s->io_buffer[362] = 0x02 | (s->smart_autosave ? 0x80 : 0x00); | |
1529 | if (s->smart_selftest_count == 0) { | |
1530 | s->io_buffer[363] = 0; | |
1531 | } else { | |
1532 | s->io_buffer[363] = | |
1533 | s->smart_selftest_data[3 + | |
1534 | (s->smart_selftest_count - 1) * | |
1535 | 24]; | |
1536 | } | |
1537 | s->io_buffer[364] = 0x20; | |
1538 | s->io_buffer[365] = 0x01; | |
1539 | /* offline data collection capacity: execute + self-test*/ | |
1540 | s->io_buffer[367] = (1 << 4 | 1 << 3 | 1); | |
1541 | s->io_buffer[368] = 0x03; /* smart capability (1) */ | |
1542 | s->io_buffer[369] = 0x00; /* smart capability (2) */ | |
1543 | s->io_buffer[370] = 0x01; /* error logging supported */ | |
1544 | s->io_buffer[372] = 0x02; /* minutes for poll short test */ | |
1545 | s->io_buffer[373] = 0x36; /* minutes for poll ext test */ | |
1546 | s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ | |
1547 | ||
1548 | for (n = 0; n < 511; n++) { | |
1549 | s->io_buffer[511] += s->io_buffer[n]; | |
1550 | } | |
1551 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
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 | return false; | |
1557 | ||
1558 | case SMART_READ_LOG: | |
1559 | switch (s->sector) { | |
1560 | case 0x01: /* summary smart error log */ | |
1561 | memset(s->io_buffer, 0, 0x200); | |
1562 | s->io_buffer[0] = 0x01; | |
1563 | s->io_buffer[1] = 0x00; /* no error entries */ | |
1564 | s->io_buffer[452] = s->smart_errors & 0xff; | |
1565 | s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; | |
1566 | ||
1567 | for (n = 0; n < 511; n++) { | |
1568 | s->io_buffer[511] += s->io_buffer[n]; | |
1569 | } | |
1570 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
1571 | break; | |
1572 | case 0x06: /* smart self test log */ | |
1573 | memset(s->io_buffer, 0, 0x200); | |
1574 | s->io_buffer[0] = 0x01; | |
1575 | if (s->smart_selftest_count == 0) { | |
1576 | s->io_buffer[508] = 0; | |
1577 | } else { | |
1578 | s->io_buffer[508] = s->smart_selftest_count; | |
1579 | for (n = 2; n < 506; n++) { | |
1580 | s->io_buffer[n] = s->smart_selftest_data[n]; | |
1581 | } | |
1582 | } | |
1583 | ||
1584 | for (n = 0; n < 511; n++) { | |
1585 | s->io_buffer[511] += s->io_buffer[n]; | |
1586 | } | |
1587 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
1588 | break; | |
1589 | default: | |
1590 | goto abort_cmd; | |
1591 | } | |
1592 | s->status = READY_STAT | SEEK_STAT; | |
1593 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
1594 | ide_set_irq(s->bus); | |
1595 | return false; | |
1596 | ||
1597 | case SMART_EXECUTE_OFFLINE: | |
1598 | switch (s->sector) { | |
1599 | case 0: /* off-line routine */ | |
1600 | case 1: /* short self test */ | |
1601 | case 2: /* extended self test */ | |
1602 | s->smart_selftest_count++; | |
1603 | if (s->smart_selftest_count > 21) { | |
1604 | s->smart_selftest_count = 0; | |
1605 | } | |
1606 | n = 2 + (s->smart_selftest_count - 1) * 24; | |
1607 | s->smart_selftest_data[n] = s->sector; | |
1608 | s->smart_selftest_data[n + 1] = 0x00; /* OK and finished */ | |
1609 | s->smart_selftest_data[n + 2] = 0x34; /* hour count lsb */ | |
1610 | s->smart_selftest_data[n + 3] = 0x12; /* hour count msb */ | |
1611 | break; | |
1612 | default: | |
1613 | goto abort_cmd; | |
1614 | } | |
1615 | return true; | |
1616 | } | |
1617 | ||
1618 | abort_cmd: | |
1619 | ide_abort_command(s); | |
1620 | return true; | |
1621 | } | |
1622 | ||
1623 | #define HD_OK (1u << IDE_HD) | |
1624 | #define CD_OK (1u << IDE_CD) | |
1625 | #define CFA_OK (1u << IDE_CFATA) | |
1626 | #define HD_CFA_OK (HD_OK | CFA_OK) | |
1627 | #define ALL_OK (HD_OK | CD_OK | CFA_OK) | |
1628 | ||
1629 | /* Set the Disk Seek Completed status bit during completion */ | |
1630 | #define SET_DSC (1u << 8) | |
1631 | ||
1632 | /* See ACS-2 T13/2015-D Table B.2 Command codes */ | |
1633 | static const struct { | |
1634 | /* Returns true if the completion code should be run */ | |
1635 | bool (*handler)(IDEState *s, uint8_t cmd); | |
1636 | int flags; | |
1637 | } ide_cmd_table[0x100] = { | |
1638 | /* NOP not implemented, mandatory for CD */ | |
1639 | [CFA_REQ_EXT_ERROR_CODE] = { cmd_cfa_req_ext_error_code, CFA_OK }, | |
1640 | [WIN_DSM] = { cmd_data_set_management, ALL_OK }, | |
1641 | [WIN_DEVICE_RESET] = { cmd_device_reset, CD_OK }, | |
1642 | [WIN_RECAL] = { cmd_nop, HD_CFA_OK | SET_DSC}, | |
1643 | [WIN_READ] = { cmd_read_pio, ALL_OK }, | |
1644 | [WIN_READ_ONCE] = { cmd_read_pio, ALL_OK }, | |
1645 | [WIN_READ_EXT] = { cmd_read_pio, HD_CFA_OK }, | |
1646 | [WIN_READDMA_EXT] = { cmd_read_dma, HD_CFA_OK }, | |
1647 | [WIN_READ_NATIVE_MAX_EXT] = { cmd_read_native_max, HD_CFA_OK | SET_DSC }, | |
1648 | [WIN_MULTREAD_EXT] = { cmd_read_multiple, HD_CFA_OK }, | |
1649 | [WIN_WRITE] = { cmd_write_pio, HD_CFA_OK }, | |
1650 | [WIN_WRITE_ONCE] = { cmd_write_pio, HD_CFA_OK }, | |
1651 | [WIN_WRITE_EXT] = { cmd_write_pio, HD_CFA_OK }, | |
1652 | [WIN_WRITEDMA_EXT] = { cmd_write_dma, HD_CFA_OK }, | |
1653 | [CFA_WRITE_SECT_WO_ERASE] = { cmd_write_pio, CFA_OK }, | |
1654 | [WIN_MULTWRITE_EXT] = { cmd_write_multiple, HD_CFA_OK }, | |
1655 | [WIN_WRITE_VERIFY] = { cmd_write_pio, HD_CFA_OK }, | |
1656 | [WIN_VERIFY] = { cmd_verify, HD_CFA_OK | SET_DSC }, | |
1657 | [WIN_VERIFY_ONCE] = { cmd_verify, HD_CFA_OK | SET_DSC }, | |
1658 | [WIN_VERIFY_EXT] = { cmd_verify, HD_CFA_OK | SET_DSC }, | |
1659 | [WIN_SEEK] = { cmd_seek, HD_CFA_OK | SET_DSC }, | |
1660 | [CFA_TRANSLATE_SECTOR] = { cmd_cfa_translate_sector, CFA_OK }, | |
1661 | [WIN_DIAGNOSE] = { cmd_exec_dev_diagnostic, ALL_OK }, | |
1662 | [WIN_SPECIFY] = { cmd_nop, HD_CFA_OK | SET_DSC }, | |
1663 | [WIN_STANDBYNOW2] = { cmd_nop, ALL_OK }, | |
1664 | [WIN_IDLEIMMEDIATE2] = { cmd_nop, ALL_OK }, | |
1665 | [WIN_STANDBY2] = { cmd_nop, ALL_OK }, | |
1666 | [WIN_SETIDLE2] = { cmd_nop, ALL_OK }, | |
1667 | [WIN_CHECKPOWERMODE2] = { cmd_check_power_mode, ALL_OK | SET_DSC }, | |
1668 | [WIN_SLEEPNOW2] = { cmd_nop, ALL_OK }, | |
1669 | [WIN_PACKETCMD] = { cmd_packet, CD_OK }, | |
1670 | [WIN_PIDENTIFY] = { cmd_identify_packet, CD_OK }, | |
1671 | [WIN_SMART] = { cmd_smart, HD_CFA_OK | SET_DSC }, | |
1672 | [CFA_ACCESS_METADATA_STORAGE] = { cmd_cfa_access_metadata_storage, CFA_OK }, | |
1673 | [CFA_ERASE_SECTORS] = { cmd_cfa_erase_sectors, CFA_OK | SET_DSC }, | |
1674 | [WIN_MULTREAD] = { cmd_read_multiple, HD_CFA_OK }, | |
1675 | [WIN_MULTWRITE] = { cmd_write_multiple, HD_CFA_OK }, | |
1676 | [WIN_SETMULT] = { cmd_set_multiple_mode, HD_CFA_OK | SET_DSC }, | |
1677 | [WIN_READDMA] = { cmd_read_dma, HD_CFA_OK }, | |
1678 | [WIN_READDMA_ONCE] = { cmd_read_dma, HD_CFA_OK }, | |
1679 | [WIN_WRITEDMA] = { cmd_write_dma, HD_CFA_OK }, | |
1680 | [WIN_WRITEDMA_ONCE] = { cmd_write_dma, HD_CFA_OK }, | |
1681 | [CFA_WRITE_MULTI_WO_ERASE] = { cmd_write_multiple, CFA_OK }, | |
1682 | [WIN_STANDBYNOW1] = { cmd_nop, ALL_OK }, | |
1683 | [WIN_IDLEIMMEDIATE] = { cmd_nop, ALL_OK }, | |
1684 | [WIN_STANDBY] = { cmd_nop, ALL_OK }, | |
1685 | [WIN_SETIDLE1] = { cmd_nop, ALL_OK }, | |
1686 | [WIN_CHECKPOWERMODE1] = { cmd_check_power_mode, ALL_OK | SET_DSC }, | |
1687 | [WIN_SLEEPNOW1] = { cmd_nop, ALL_OK }, | |
1688 | [WIN_FLUSH_CACHE] = { cmd_flush_cache, ALL_OK }, | |
1689 | [WIN_FLUSH_CACHE_EXT] = { cmd_flush_cache, HD_CFA_OK }, | |
1690 | [WIN_IDENTIFY] = { cmd_identify, ALL_OK }, | |
1691 | [WIN_SETFEATURES] = { cmd_set_features, ALL_OK | SET_DSC }, | |
1692 | [IBM_SENSE_CONDITION] = { cmd_ibm_sense_condition, CFA_OK | SET_DSC }, | |
1693 | [CFA_WEAR_LEVEL] = { cmd_cfa_erase_sectors, HD_CFA_OK | SET_DSC }, | |
1694 | [WIN_READ_NATIVE_MAX] = { cmd_read_native_max, ALL_OK | SET_DSC }, | |
1695 | }; | |
1696 | ||
1697 | static bool ide_cmd_permitted(IDEState *s, uint32_t cmd) | |
1698 | { | |
1699 | return cmd < ARRAY_SIZE(ide_cmd_table) | |
1700 | && (ide_cmd_table[cmd].flags & (1u << s->drive_kind)); | |
1701 | } | |
1702 | ||
1703 | void ide_exec_cmd(IDEBus *bus, uint32_t val) | |
1704 | { | |
1705 | IDEState *s; | |
1706 | bool complete; | |
1707 | ||
1708 | #if defined(DEBUG_IDE) | |
1709 | printf("ide: CMD=%02x\n", val); | |
1710 | #endif | |
1711 | s = idebus_active_if(bus); | |
1712 | /* ignore commands to non existent slave */ | |
1713 | if (s != bus->ifs && !s->bs) | |
1714 | return; | |
1715 | ||
1716 | /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ | |
1717 | if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) | |
1718 | return; | |
1719 | ||
1720 | if (!ide_cmd_permitted(s, val)) { | |
1721 | ide_abort_command(s); | |
1722 | ide_set_irq(s->bus); | |
1723 | return; | |
1724 | } | |
1725 | ||
1726 | s->status = READY_STAT | BUSY_STAT; | |
1727 | s->error = 0; | |
1728 | ||
1729 | complete = ide_cmd_table[val].handler(s, val); | |
1730 | if (complete) { | |
1731 | s->status &= ~BUSY_STAT; | |
1732 | assert(!!s->error == !!(s->status & ERR_STAT)); | |
1733 | ||
1734 | if ((ide_cmd_table[val].flags & SET_DSC) && !s->error) { | |
1735 | s->status |= SEEK_STAT; | |
1736 | } | |
1737 | ||
1738 | ide_set_irq(s->bus); | |
1739 | } | |
1740 | } | |
1741 | ||
1742 | uint32_t ide_ioport_read(void *opaque, uint32_t addr1) | |
1743 | { | |
1744 | IDEBus *bus = opaque; | |
1745 | IDEState *s = idebus_active_if(bus); | |
1746 | uint32_t addr; | |
1747 | int ret, hob; | |
1748 | ||
1749 | addr = addr1 & 7; | |
1750 | /* FIXME: HOB readback uses bit 7, but it's always set right now */ | |
1751 | //hob = s->select & (1 << 7); | |
1752 | hob = 0; | |
1753 | switch(addr) { | |
1754 | case 0: | |
1755 | ret = 0xff; | |
1756 | break; | |
1757 | case 1: | |
1758 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || | |
1759 | (s != bus->ifs && !s->bs)) | |
1760 | ret = 0; | |
1761 | else if (!hob) | |
1762 | ret = s->error; | |
1763 | else | |
1764 | ret = s->hob_feature; | |
1765 | break; | |
1766 | case 2: | |
1767 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1768 | ret = 0; | |
1769 | else if (!hob) | |
1770 | ret = s->nsector & 0xff; | |
1771 | else | |
1772 | ret = s->hob_nsector; | |
1773 | break; | |
1774 | case 3: | |
1775 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1776 | ret = 0; | |
1777 | else if (!hob) | |
1778 | ret = s->sector; | |
1779 | else | |
1780 | ret = s->hob_sector; | |
1781 | break; | |
1782 | case 4: | |
1783 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1784 | ret = 0; | |
1785 | else if (!hob) | |
1786 | ret = s->lcyl; | |
1787 | else | |
1788 | ret = s->hob_lcyl; | |
1789 | break; | |
1790 | case 5: | |
1791 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1792 | ret = 0; | |
1793 | else if (!hob) | |
1794 | ret = s->hcyl; | |
1795 | else | |
1796 | ret = s->hob_hcyl; | |
1797 | break; | |
1798 | case 6: | |
1799 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) | |
1800 | ret = 0; | |
1801 | else | |
1802 | ret = s->select; | |
1803 | break; | |
1804 | default: | |
1805 | case 7: | |
1806 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || | |
1807 | (s != bus->ifs && !s->bs)) | |
1808 | ret = 0; | |
1809 | else | |
1810 | ret = s->status; | |
1811 | qemu_irq_lower(bus->irq); | |
1812 | break; | |
1813 | } | |
1814 | #ifdef DEBUG_IDE | |
1815 | printf("ide: read addr=0x%x val=%02x\n", addr1, ret); | |
1816 | #endif | |
1817 | return ret; | |
1818 | } | |
1819 | ||
1820 | uint32_t ide_status_read(void *opaque, uint32_t addr) | |
1821 | { | |
1822 | IDEBus *bus = opaque; | |
1823 | IDEState *s = idebus_active_if(bus); | |
1824 | int ret; | |
1825 | ||
1826 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || | |
1827 | (s != bus->ifs && !s->bs)) | |
1828 | ret = 0; | |
1829 | else | |
1830 | ret = s->status; | |
1831 | #ifdef DEBUG_IDE | |
1832 | printf("ide: read status addr=0x%x val=%02x\n", addr, ret); | |
1833 | #endif | |
1834 | return ret; | |
1835 | } | |
1836 | ||
1837 | void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) | |
1838 | { | |
1839 | IDEBus *bus = opaque; | |
1840 | IDEState *s; | |
1841 | int i; | |
1842 | ||
1843 | #ifdef DEBUG_IDE | |
1844 | printf("ide: write control addr=0x%x val=%02x\n", addr, val); | |
1845 | #endif | |
1846 | /* common for both drives */ | |
1847 | if (!(bus->cmd & IDE_CMD_RESET) && | |
1848 | (val & IDE_CMD_RESET)) { | |
1849 | /* reset low to high */ | |
1850 | for(i = 0;i < 2; i++) { | |
1851 | s = &bus->ifs[i]; | |
1852 | s->status = BUSY_STAT | SEEK_STAT; | |
1853 | s->error = 0x01; | |
1854 | } | |
1855 | } else if ((bus->cmd & IDE_CMD_RESET) && | |
1856 | !(val & IDE_CMD_RESET)) { | |
1857 | /* high to low */ | |
1858 | for(i = 0;i < 2; i++) { | |
1859 | s = &bus->ifs[i]; | |
1860 | if (s->drive_kind == IDE_CD) | |
1861 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
1862 | else | |
1863 | s->status = READY_STAT | SEEK_STAT; | |
1864 | ide_set_signature(s); | |
1865 | } | |
1866 | } | |
1867 | ||
1868 | bus->cmd = val; | |
1869 | } | |
1870 | ||
1871 | /* | |
1872 | * Returns true if the running PIO transfer is a PIO out (i.e. data is | |
1873 | * transferred from the device to the guest), false if it's a PIO in | |
1874 | */ | |
1875 | static bool ide_is_pio_out(IDEState *s) | |
1876 | { | |
1877 | if (s->end_transfer_func == ide_sector_write || | |
1878 | s->end_transfer_func == ide_atapi_cmd) { | |
1879 | return false; | |
1880 | } else if (s->end_transfer_func == ide_sector_read || | |
1881 | s->end_transfer_func == ide_transfer_stop || | |
1882 | s->end_transfer_func == ide_atapi_cmd_reply_end || | |
1883 | s->end_transfer_func == ide_dummy_transfer_stop) { | |
1884 | return true; | |
1885 | } | |
1886 | ||
1887 | abort(); | |
1888 | } | |
1889 | ||
1890 | void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) | |
1891 | { | |
1892 | IDEBus *bus = opaque; | |
1893 | IDEState *s = idebus_active_if(bus); | |
1894 | uint8_t *p; | |
1895 | ||
1896 | /* PIO data access allowed only when DRQ bit is set. The result of a write | |
1897 | * during PIO out is indeterminate, just ignore it. */ | |
1898 | if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) { | |
1899 | return; | |
1900 | } | |
1901 | ||
1902 | p = s->data_ptr; | |
1903 | *(uint16_t *)p = le16_to_cpu(val); | |
1904 | p += 2; | |
1905 | s->data_ptr = p; | |
1906 | if (p >= s->data_end) | |
1907 | s->end_transfer_func(s); | |
1908 | } | |
1909 | ||
1910 | uint32_t ide_data_readw(void *opaque, uint32_t addr) | |
1911 | { | |
1912 | IDEBus *bus = opaque; | |
1913 | IDEState *s = idebus_active_if(bus); | |
1914 | uint8_t *p; | |
1915 | int ret; | |
1916 | ||
1917 | /* PIO data access allowed only when DRQ bit is set. The result of a read | |
1918 | * during PIO in is indeterminate, return 0 and don't move forward. */ | |
1919 | if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) { | |
1920 | return 0; | |
1921 | } | |
1922 | ||
1923 | p = s->data_ptr; | |
1924 | ret = cpu_to_le16(*(uint16_t *)p); | |
1925 | p += 2; | |
1926 | s->data_ptr = p; | |
1927 | if (p >= s->data_end) | |
1928 | s->end_transfer_func(s); | |
1929 | return ret; | |
1930 | } | |
1931 | ||
1932 | void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) | |
1933 | { | |
1934 | IDEBus *bus = opaque; | |
1935 | IDEState *s = idebus_active_if(bus); | |
1936 | uint8_t *p; | |
1937 | ||
1938 | /* PIO data access allowed only when DRQ bit is set. The result of a write | |
1939 | * during PIO out is indeterminate, just ignore it. */ | |
1940 | if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) { | |
1941 | return; | |
1942 | } | |
1943 | ||
1944 | p = s->data_ptr; | |
1945 | *(uint32_t *)p = le32_to_cpu(val); | |
1946 | p += 4; | |
1947 | s->data_ptr = p; | |
1948 | if (p >= s->data_end) | |
1949 | s->end_transfer_func(s); | |
1950 | } | |
1951 | ||
1952 | uint32_t ide_data_readl(void *opaque, uint32_t addr) | |
1953 | { | |
1954 | IDEBus *bus = opaque; | |
1955 | IDEState *s = idebus_active_if(bus); | |
1956 | uint8_t *p; | |
1957 | int ret; | |
1958 | ||
1959 | /* PIO data access allowed only when DRQ bit is set. The result of a read | |
1960 | * during PIO in is indeterminate, return 0 and don't move forward. */ | |
1961 | if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) { | |
1962 | return 0; | |
1963 | } | |
1964 | ||
1965 | p = s->data_ptr; | |
1966 | ret = cpu_to_le32(*(uint32_t *)p); | |
1967 | p += 4; | |
1968 | s->data_ptr = p; | |
1969 | if (p >= s->data_end) | |
1970 | s->end_transfer_func(s); | |
1971 | return ret; | |
1972 | } | |
1973 | ||
1974 | static void ide_dummy_transfer_stop(IDEState *s) | |
1975 | { | |
1976 | s->data_ptr = s->io_buffer; | |
1977 | s->data_end = s->io_buffer; | |
1978 | s->io_buffer[0] = 0xff; | |
1979 | s->io_buffer[1] = 0xff; | |
1980 | s->io_buffer[2] = 0xff; | |
1981 | s->io_buffer[3] = 0xff; | |
1982 | } | |
1983 | ||
1984 | static void ide_reset(IDEState *s) | |
1985 | { | |
1986 | #ifdef DEBUG_IDE | |
1987 | printf("ide: reset\n"); | |
1988 | #endif | |
1989 | ||
1990 | if (s->pio_aiocb) { | |
1991 | bdrv_aio_cancel(s->pio_aiocb); | |
1992 | s->pio_aiocb = NULL; | |
1993 | } | |
1994 | ||
1995 | if (s->drive_kind == IDE_CFATA) | |
1996 | s->mult_sectors = 0; | |
1997 | else | |
1998 | s->mult_sectors = MAX_MULT_SECTORS; | |
1999 | /* ide regs */ | |
2000 | s->feature = 0; | |
2001 | s->error = 0; | |
2002 | s->nsector = 0; | |
2003 | s->sector = 0; | |
2004 | s->lcyl = 0; | |
2005 | s->hcyl = 0; | |
2006 | ||
2007 | /* lba48 */ | |
2008 | s->hob_feature = 0; | |
2009 | s->hob_sector = 0; | |
2010 | s->hob_nsector = 0; | |
2011 | s->hob_lcyl = 0; | |
2012 | s->hob_hcyl = 0; | |
2013 | ||
2014 | s->select = 0xa0; | |
2015 | s->status = READY_STAT | SEEK_STAT; | |
2016 | ||
2017 | s->lba48 = 0; | |
2018 | ||
2019 | /* ATAPI specific */ | |
2020 | s->sense_key = 0; | |
2021 | s->asc = 0; | |
2022 | s->cdrom_changed = 0; | |
2023 | s->packet_transfer_size = 0; | |
2024 | s->elementary_transfer_size = 0; | |
2025 | s->io_buffer_index = 0; | |
2026 | s->cd_sector_size = 0; | |
2027 | s->atapi_dma = 0; | |
2028 | s->tray_locked = 0; | |
2029 | s->tray_open = 0; | |
2030 | /* ATA DMA state */ | |
2031 | s->io_buffer_size = 0; | |
2032 | s->req_nb_sectors = 0; | |
2033 | ||
2034 | ide_set_signature(s); | |
2035 | /* init the transfer handler so that 0xffff is returned on data | |
2036 | accesses */ | |
2037 | s->end_transfer_func = ide_dummy_transfer_stop; | |
2038 | ide_dummy_transfer_stop(s); | |
2039 | s->media_changed = 0; | |
2040 | } | |
2041 | ||
2042 | void ide_bus_reset(IDEBus *bus) | |
2043 | { | |
2044 | bus->unit = 0; | |
2045 | bus->cmd = 0; | |
2046 | ide_reset(&bus->ifs[0]); | |
2047 | ide_reset(&bus->ifs[1]); | |
2048 | ide_clear_hob(bus); | |
2049 | ||
2050 | /* pending async DMA */ | |
2051 | if (bus->dma->aiocb) { | |
2052 | #ifdef DEBUG_AIO | |
2053 | printf("aio_cancel\n"); | |
2054 | #endif | |
2055 | bdrv_aio_cancel(bus->dma->aiocb); | |
2056 | bus->dma->aiocb = NULL; | |
2057 | } | |
2058 | ||
2059 | /* reset dma provider too */ | |
2060 | bus->dma->ops->reset(bus->dma); | |
2061 | } | |
2062 | ||
2063 | static bool ide_cd_is_tray_open(void *opaque) | |
2064 | { | |
2065 | return ((IDEState *)opaque)->tray_open; | |
2066 | } | |
2067 | ||
2068 | static bool ide_cd_is_medium_locked(void *opaque) | |
2069 | { | |
2070 | return ((IDEState *)opaque)->tray_locked; | |
2071 | } | |
2072 | ||
2073 | static const BlockDevOps ide_cd_block_ops = { | |
2074 | .change_media_cb = ide_cd_change_cb, | |
2075 | .eject_request_cb = ide_cd_eject_request_cb, | |
2076 | .is_tray_open = ide_cd_is_tray_open, | |
2077 | .is_medium_locked = ide_cd_is_medium_locked, | |
2078 | }; | |
2079 | ||
2080 | int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, | |
2081 | const char *version, const char *serial, const char *model, | |
2082 | uint64_t wwn, | |
2083 | uint32_t cylinders, uint32_t heads, uint32_t secs, | |
2084 | int chs_trans) | |
2085 | { | |
2086 | uint64_t nb_sectors; | |
2087 | ||
2088 | s->bs = bs; | |
2089 | s->drive_kind = kind; | |
2090 | ||
2091 | bdrv_get_geometry(bs, &nb_sectors); | |
2092 | s->cylinders = cylinders; | |
2093 | s->heads = heads; | |
2094 | s->sectors = secs; | |
2095 | s->chs_trans = chs_trans; | |
2096 | s->nb_sectors = nb_sectors; | |
2097 | s->wwn = wwn; | |
2098 | /* The SMART values should be preserved across power cycles | |
2099 | but they aren't. */ | |
2100 | s->smart_enabled = 1; | |
2101 | s->smart_autosave = 1; | |
2102 | s->smart_errors = 0; | |
2103 | s->smart_selftest_count = 0; | |
2104 | if (kind == IDE_CD) { | |
2105 | bdrv_set_dev_ops(bs, &ide_cd_block_ops, s); | |
2106 | bdrv_set_buffer_alignment(bs, 2048); | |
2107 | } else { | |
2108 | if (!bdrv_is_inserted(s->bs)) { | |
2109 | error_report("Device needs media, but drive is empty"); | |
2110 | return -1; | |
2111 | } | |
2112 | if (bdrv_is_read_only(bs)) { | |
2113 | error_report("Can't use a read-only drive"); | |
2114 | return -1; | |
2115 | } | |
2116 | } | |
2117 | if (serial) { | |
2118 | pstrcpy(s->drive_serial_str, sizeof(s->drive_serial_str), serial); | |
2119 | } else { | |
2120 | snprintf(s->drive_serial_str, sizeof(s->drive_serial_str), | |
2121 | "QM%05d", s->drive_serial); | |
2122 | } | |
2123 | if (model) { | |
2124 | pstrcpy(s->drive_model_str, sizeof(s->drive_model_str), model); | |
2125 | } else { | |
2126 | switch (kind) { | |
2127 | case IDE_CD: | |
2128 | strcpy(s->drive_model_str, "QEMU DVD-ROM"); | |
2129 | break; | |
2130 | case IDE_CFATA: | |
2131 | strcpy(s->drive_model_str, "QEMU MICRODRIVE"); | |
2132 | break; | |
2133 | default: | |
2134 | strcpy(s->drive_model_str, "QEMU HARDDISK"); | |
2135 | break; | |
2136 | } | |
2137 | } | |
2138 | ||
2139 | if (version) { | |
2140 | pstrcpy(s->version, sizeof(s->version), version); | |
2141 | } else { | |
2142 | pstrcpy(s->version, sizeof(s->version), qemu_get_version()); | |
2143 | } | |
2144 | ||
2145 | ide_reset(s); | |
2146 | bdrv_iostatus_enable(bs); | |
2147 | return 0; | |
2148 | } | |
2149 | ||
2150 | static void ide_init1(IDEBus *bus, int unit) | |
2151 | { | |
2152 | static int drive_serial = 1; | |
2153 | IDEState *s = &bus->ifs[unit]; | |
2154 | ||
2155 | s->bus = bus; | |
2156 | s->unit = unit; | |
2157 | s->drive_serial = drive_serial++; | |
2158 | /* we need at least 2k alignment for accessing CDROMs using O_DIRECT */ | |
2159 | s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4; | |
2160 | s->io_buffer = qemu_memalign(2048, s->io_buffer_total_len); | |
2161 | memset(s->io_buffer, 0, s->io_buffer_total_len); | |
2162 | ||
2163 | s->smart_selftest_data = qemu_blockalign(s->bs, 512); | |
2164 | memset(s->smart_selftest_data, 0, 512); | |
2165 | ||
2166 | s->sector_write_timer = qemu_new_timer_ns(vm_clock, | |
2167 | ide_sector_write_timer_cb, s); | |
2168 | } | |
2169 | ||
2170 | static void ide_nop_start(IDEDMA *dma, IDEState *s, | |
2171 | BlockDriverCompletionFunc *cb) | |
2172 | { | |
2173 | } | |
2174 | ||
2175 | static int ide_nop(IDEDMA *dma) | |
2176 | { | |
2177 | return 0; | |
2178 | } | |
2179 | ||
2180 | static int ide_nop_int(IDEDMA *dma, int x) | |
2181 | { | |
2182 | return 0; | |
2183 | } | |
2184 | ||
2185 | static void ide_nop_restart(void *opaque, int x, RunState y) | |
2186 | { | |
2187 | } | |
2188 | ||
2189 | static const IDEDMAOps ide_dma_nop_ops = { | |
2190 | .start_dma = ide_nop_start, | |
2191 | .start_transfer = ide_nop, | |
2192 | .prepare_buf = ide_nop_int, | |
2193 | .rw_buf = ide_nop_int, | |
2194 | .set_unit = ide_nop_int, | |
2195 | .add_status = ide_nop_int, | |
2196 | .set_inactive = ide_nop, | |
2197 | .restart_cb = ide_nop_restart, | |
2198 | .reset = ide_nop, | |
2199 | }; | |
2200 | ||
2201 | static IDEDMA ide_dma_nop = { | |
2202 | .ops = &ide_dma_nop_ops, | |
2203 | .aiocb = NULL, | |
2204 | }; | |
2205 | ||
2206 | void ide_init2(IDEBus *bus, qemu_irq irq) | |
2207 | { | |
2208 | int i; | |
2209 | ||
2210 | for(i = 0; i < 2; i++) { | |
2211 | ide_init1(bus, i); | |
2212 | ide_reset(&bus->ifs[i]); | |
2213 | } | |
2214 | bus->irq = irq; | |
2215 | bus->dma = &ide_dma_nop; | |
2216 | } | |
2217 | ||
2218 | /* TODO convert users to qdev and remove */ | |
2219 | void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0, | |
2220 | DriveInfo *hd1, qemu_irq irq) | |
2221 | { | |
2222 | int i, trans; | |
2223 | DriveInfo *dinfo; | |
2224 | uint32_t cyls, heads, secs; | |
2225 | ||
2226 | for(i = 0; i < 2; i++) { | |
2227 | dinfo = i == 0 ? hd0 : hd1; | |
2228 | ide_init1(bus, i); | |
2229 | if (dinfo) { | |
2230 | cyls = dinfo->cyls; | |
2231 | heads = dinfo->heads; | |
2232 | secs = dinfo->secs; | |
2233 | trans = dinfo->trans; | |
2234 | if (!cyls && !heads && !secs) { | |
2235 | hd_geometry_guess(dinfo->bdrv, &cyls, &heads, &secs, &trans); | |
2236 | } else if (trans == BIOS_ATA_TRANSLATION_AUTO) { | |
2237 | trans = hd_bios_chs_auto_trans(cyls, heads, secs); | |
2238 | } | |
2239 | if (cyls < 1 || cyls > 65535) { | |
2240 | error_report("cyls must be between 1 and 65535"); | |
2241 | exit(1); | |
2242 | } | |
2243 | if (heads < 1 || heads > 16) { | |
2244 | error_report("heads must be between 1 and 16"); | |
2245 | exit(1); | |
2246 | } | |
2247 | if (secs < 1 || secs > 255) { | |
2248 | error_report("secs must be between 1 and 255"); | |
2249 | exit(1); | |
2250 | } | |
2251 | if (ide_init_drive(&bus->ifs[i], dinfo->bdrv, | |
2252 | dinfo->media_cd ? IDE_CD : IDE_HD, | |
2253 | NULL, dinfo->serial, NULL, 0, | |
2254 | cyls, heads, secs, trans) < 0) { | |
2255 | error_report("Can't set up IDE drive %s", dinfo->id); | |
2256 | exit(1); | |
2257 | } | |
2258 | bdrv_attach_dev_nofail(dinfo->bdrv, &bus->ifs[i]); | |
2259 | } else { | |
2260 | ide_reset(&bus->ifs[i]); | |
2261 | } | |
2262 | } | |
2263 | bus->irq = irq; | |
2264 | bus->dma = &ide_dma_nop; | |
2265 | } | |
2266 | ||
2267 | static const MemoryRegionPortio ide_portio_list[] = { | |
2268 | { 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write }, | |
2269 | { 0, 2, 2, .read = ide_data_readw, .write = ide_data_writew }, | |
2270 | { 0, 4, 4, .read = ide_data_readl, .write = ide_data_writel }, | |
2271 | PORTIO_END_OF_LIST(), | |
2272 | }; | |
2273 | ||
2274 | static const MemoryRegionPortio ide_portio2_list[] = { | |
2275 | { 0, 1, 1, .read = ide_status_read, .write = ide_cmd_write }, | |
2276 | PORTIO_END_OF_LIST(), | |
2277 | }; | |
2278 | ||
2279 | void ide_init_ioport(IDEBus *bus, ISADevice *dev, int iobase, int iobase2) | |
2280 | { | |
2281 | /* ??? Assume only ISA and PCI configurations, and that the PCI-ISA | |
2282 | bridge has been setup properly to always register with ISA. */ | |
2283 | isa_register_portio_list(dev, iobase, ide_portio_list, bus, "ide"); | |
2284 | ||
2285 | if (iobase2) { | |
2286 | isa_register_portio_list(dev, iobase2, ide_portio2_list, bus, "ide"); | |
2287 | } | |
2288 | } | |
2289 | ||
2290 | static bool is_identify_set(void *opaque, int version_id) | |
2291 | { | |
2292 | IDEState *s = opaque; | |
2293 | ||
2294 | return s->identify_set != 0; | |
2295 | } | |
2296 | ||
2297 | static EndTransferFunc* transfer_end_table[] = { | |
2298 | ide_sector_read, | |
2299 | ide_sector_write, | |
2300 | ide_transfer_stop, | |
2301 | ide_atapi_cmd_reply_end, | |
2302 | ide_atapi_cmd, | |
2303 | ide_dummy_transfer_stop, | |
2304 | }; | |
2305 | ||
2306 | static int transfer_end_table_idx(EndTransferFunc *fn) | |
2307 | { | |
2308 | int i; | |
2309 | ||
2310 | for (i = 0; i < ARRAY_SIZE(transfer_end_table); i++) | |
2311 | if (transfer_end_table[i] == fn) | |
2312 | return i; | |
2313 | ||
2314 | return -1; | |
2315 | } | |
2316 | ||
2317 | static int ide_drive_post_load(void *opaque, int version_id) | |
2318 | { | |
2319 | IDEState *s = opaque; | |
2320 | ||
2321 | if (s->identify_set) { | |
2322 | bdrv_set_enable_write_cache(s->bs, !!(s->identify_data[85] & (1 << 5))); | |
2323 | } | |
2324 | return 0; | |
2325 | } | |
2326 | ||
2327 | static int ide_drive_pio_post_load(void *opaque, int version_id) | |
2328 | { | |
2329 | IDEState *s = opaque; | |
2330 | ||
2331 | if (s->end_transfer_fn_idx >= ARRAY_SIZE(transfer_end_table)) { | |
2332 | return -EINVAL; | |
2333 | } | |
2334 | s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx]; | |
2335 | s->data_ptr = s->io_buffer + s->cur_io_buffer_offset; | |
2336 | s->data_end = s->data_ptr + s->cur_io_buffer_len; | |
2337 | ||
2338 | return 0; | |
2339 | } | |
2340 | ||
2341 | static void ide_drive_pio_pre_save(void *opaque) | |
2342 | { | |
2343 | IDEState *s = opaque; | |
2344 | int idx; | |
2345 | ||
2346 | s->cur_io_buffer_offset = s->data_ptr - s->io_buffer; | |
2347 | s->cur_io_buffer_len = s->data_end - s->data_ptr; | |
2348 | ||
2349 | idx = transfer_end_table_idx(s->end_transfer_func); | |
2350 | if (idx == -1) { | |
2351 | fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n", | |
2352 | __func__); | |
2353 | s->end_transfer_fn_idx = 2; | |
2354 | } else { | |
2355 | s->end_transfer_fn_idx = idx; | |
2356 | } | |
2357 | } | |
2358 | ||
2359 | static bool ide_drive_pio_state_needed(void *opaque) | |
2360 | { | |
2361 | IDEState *s = opaque; | |
2362 | ||
2363 | return ((s->status & DRQ_STAT) != 0) | |
2364 | || (s->bus->error_status & BM_STATUS_PIO_RETRY); | |
2365 | } | |
2366 | ||
2367 | static bool ide_tray_state_needed(void *opaque) | |
2368 | { | |
2369 | IDEState *s = opaque; | |
2370 | ||
2371 | return s->tray_open || s->tray_locked; | |
2372 | } | |
2373 | ||
2374 | static bool ide_atapi_gesn_needed(void *opaque) | |
2375 | { | |
2376 | IDEState *s = opaque; | |
2377 | ||
2378 | return s->events.new_media || s->events.eject_request; | |
2379 | } | |
2380 | ||
2381 | static bool ide_error_needed(void *opaque) | |
2382 | { | |
2383 | IDEBus *bus = opaque; | |
2384 | ||
2385 | return (bus->error_status != 0); | |
2386 | } | |
2387 | ||
2388 | /* Fields for GET_EVENT_STATUS_NOTIFICATION ATAPI command */ | |
2389 | static const VMStateDescription vmstate_ide_atapi_gesn_state = { | |
2390 | .name ="ide_drive/atapi/gesn_state", | |
2391 | .version_id = 1, | |
2392 | .minimum_version_id = 1, | |
2393 | .minimum_version_id_old = 1, | |
2394 | .fields = (VMStateField []) { | |
2395 | VMSTATE_BOOL(events.new_media, IDEState), | |
2396 | VMSTATE_BOOL(events.eject_request, IDEState), | |
2397 | VMSTATE_END_OF_LIST() | |
2398 | } | |
2399 | }; | |
2400 | ||
2401 | static const VMStateDescription vmstate_ide_tray_state = { | |
2402 | .name = "ide_drive/tray_state", | |
2403 | .version_id = 1, | |
2404 | .minimum_version_id = 1, | |
2405 | .minimum_version_id_old = 1, | |
2406 | .fields = (VMStateField[]) { | |
2407 | VMSTATE_BOOL(tray_open, IDEState), | |
2408 | VMSTATE_BOOL(tray_locked, IDEState), | |
2409 | VMSTATE_END_OF_LIST() | |
2410 | } | |
2411 | }; | |
2412 | ||
2413 | static const VMStateDescription vmstate_ide_drive_pio_state = { | |
2414 | .name = "ide_drive/pio_state", | |
2415 | .version_id = 1, | |
2416 | .minimum_version_id = 1, | |
2417 | .minimum_version_id_old = 1, | |
2418 | .pre_save = ide_drive_pio_pre_save, | |
2419 | .post_load = ide_drive_pio_post_load, | |
2420 | .fields = (VMStateField []) { | |
2421 | VMSTATE_INT32(req_nb_sectors, IDEState), | |
2422 | VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1, | |
2423 | vmstate_info_uint8, uint8_t), | |
2424 | VMSTATE_INT32(cur_io_buffer_offset, IDEState), | |
2425 | VMSTATE_INT32(cur_io_buffer_len, IDEState), | |
2426 | VMSTATE_UINT8(end_transfer_fn_idx, IDEState), | |
2427 | VMSTATE_INT32(elementary_transfer_size, IDEState), | |
2428 | VMSTATE_INT32(packet_transfer_size, IDEState), | |
2429 | VMSTATE_END_OF_LIST() | |
2430 | } | |
2431 | }; | |
2432 | ||
2433 | const VMStateDescription vmstate_ide_drive = { | |
2434 | .name = "ide_drive", | |
2435 | .version_id = 3, | |
2436 | .minimum_version_id = 0, | |
2437 | .minimum_version_id_old = 0, | |
2438 | .post_load = ide_drive_post_load, | |
2439 | .fields = (VMStateField []) { | |
2440 | VMSTATE_INT32(mult_sectors, IDEState), | |
2441 | VMSTATE_INT32(identify_set, IDEState), | |
2442 | VMSTATE_BUFFER_TEST(identify_data, IDEState, is_identify_set), | |
2443 | VMSTATE_UINT8(feature, IDEState), | |
2444 | VMSTATE_UINT8(error, IDEState), | |
2445 | VMSTATE_UINT32(nsector, IDEState), | |
2446 | VMSTATE_UINT8(sector, IDEState), | |
2447 | VMSTATE_UINT8(lcyl, IDEState), | |
2448 | VMSTATE_UINT8(hcyl, IDEState), | |
2449 | VMSTATE_UINT8(hob_feature, IDEState), | |
2450 | VMSTATE_UINT8(hob_sector, IDEState), | |
2451 | VMSTATE_UINT8(hob_nsector, IDEState), | |
2452 | VMSTATE_UINT8(hob_lcyl, IDEState), | |
2453 | VMSTATE_UINT8(hob_hcyl, IDEState), | |
2454 | VMSTATE_UINT8(select, IDEState), | |
2455 | VMSTATE_UINT8(status, IDEState), | |
2456 | VMSTATE_UINT8(lba48, IDEState), | |
2457 | VMSTATE_UINT8(sense_key, IDEState), | |
2458 | VMSTATE_UINT8(asc, IDEState), | |
2459 | VMSTATE_UINT8_V(cdrom_changed, IDEState, 3), | |
2460 | VMSTATE_END_OF_LIST() | |
2461 | }, | |
2462 | .subsections = (VMStateSubsection []) { | |
2463 | { | |
2464 | .vmsd = &vmstate_ide_drive_pio_state, | |
2465 | .needed = ide_drive_pio_state_needed, | |
2466 | }, { | |
2467 | .vmsd = &vmstate_ide_tray_state, | |
2468 | .needed = ide_tray_state_needed, | |
2469 | }, { | |
2470 | .vmsd = &vmstate_ide_atapi_gesn_state, | |
2471 | .needed = ide_atapi_gesn_needed, | |
2472 | }, { | |
2473 | /* empty */ | |
2474 | } | |
2475 | } | |
2476 | }; | |
2477 | ||
2478 | static const VMStateDescription vmstate_ide_error_status = { | |
2479 | .name ="ide_bus/error", | |
2480 | .version_id = 1, | |
2481 | .minimum_version_id = 1, | |
2482 | .minimum_version_id_old = 1, | |
2483 | .fields = (VMStateField []) { | |
2484 | VMSTATE_INT32(error_status, IDEBus), | |
2485 | VMSTATE_END_OF_LIST() | |
2486 | } | |
2487 | }; | |
2488 | ||
2489 | const VMStateDescription vmstate_ide_bus = { | |
2490 | .name = "ide_bus", | |
2491 | .version_id = 1, | |
2492 | .minimum_version_id = 1, | |
2493 | .minimum_version_id_old = 1, | |
2494 | .fields = (VMStateField []) { | |
2495 | VMSTATE_UINT8(cmd, IDEBus), | |
2496 | VMSTATE_UINT8(unit, IDEBus), | |
2497 | VMSTATE_END_OF_LIST() | |
2498 | }, | |
2499 | .subsections = (VMStateSubsection []) { | |
2500 | { | |
2501 | .vmsd = &vmstate_ide_error_status, | |
2502 | .needed = ide_error_needed, | |
2503 | }, { | |
2504 | /* empty */ | |
2505 | } | |
2506 | } | |
2507 | }; | |
2508 | ||
2509 | void ide_drive_get(DriveInfo **hd, int max_bus) | |
2510 | { | |
2511 | int i; | |
2512 | ||
2513 | if (drive_get_max_bus(IF_IDE) >= max_bus) { | |
2514 | fprintf(stderr, "qemu: too many IDE bus: %d\n", max_bus); | |
2515 | exit(1); | |
2516 | } | |
2517 | ||
2518 | for(i = 0; i < max_bus * MAX_IDE_DEVS; i++) { | |
2519 | hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); | |
2520 | } | |
2521 | } |