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Commit | Line | Data |
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5391d806 | 1 | /* |
38cdea7c | 2 | * QEMU IDE disk and CD/DVD-ROM Emulator |
5fafdf24 | 3 | * |
5391d806 | 4 | * Copyright (c) 2003 Fabrice Bellard |
201a51fc | 5 | * Copyright (c) 2006 Openedhand Ltd. |
5fafdf24 | 6 | * |
5391d806 FB |
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 | */ | |
59f2a787 GH |
25 | #include <hw/hw.h> |
26 | #include <hw/pc.h> | |
27 | #include <hw/pci.h> | |
43b443b6 | 28 | #include <hw/scsi.h> |
c4d74df7 | 29 | #include "qemu-error.h" |
87ecb68b PB |
30 | #include "qemu-timer.h" |
31 | #include "sysemu.h" | |
1fb8648d | 32 | #include "dma.h" |
2446333c | 33 | #include "blockdev.h" |
59f2a787 GH |
34 | |
35 | #include <hw/ide/internal.h> | |
e8b54394 | 36 | |
117e1e82 | 37 | static const int smart_attributes[][5] = { |
e8b54394 BW |
38 | /* id, flags, val, wrst, thrsh */ |
39 | { 0x01, 0x03, 0x64, 0x64, 0x06}, /* raw read */ | |
40 | { 0x03, 0x03, 0x64, 0x64, 0x46}, /* spin up */ | |
41 | { 0x04, 0x02, 0x64, 0x64, 0x14}, /* start stop count */ | |
42 | { 0x05, 0x03, 0x64, 0x64, 0x36}, /* remapped sectors */ | |
43 | { 0x00, 0x00, 0x00, 0x00, 0x00} | |
44 | }; | |
45 | ||
8114e9e8 TS |
46 | /* XXX: DVDs that could fit on a CD will be reported as a CD */ |
47 | static inline int media_present(IDEState *s) | |
48 | { | |
49 | return (s->nb_sectors > 0); | |
50 | } | |
51 | ||
52 | static inline int media_is_dvd(IDEState *s) | |
53 | { | |
54 | return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS); | |
55 | } | |
56 | ||
57 | static inline int media_is_cd(IDEState *s) | |
58 | { | |
59 | return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS); | |
60 | } | |
61 | ||
5f12ab4b | 62 | static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); |
ce4b6522 | 63 | static int ide_handle_rw_error(IDEState *s, int error, int op); |
98087450 | 64 | |
5391d806 FB |
65 | static void padstr(char *str, const char *src, int len) |
66 | { | |
67 | int i, v; | |
68 | for(i = 0; i < len; i++) { | |
69 | if (*src) | |
70 | v = *src++; | |
71 | else | |
72 | v = ' '; | |
69b34976 | 73 | str[i^1] = v; |
5391d806 FB |
74 | } |
75 | } | |
76 | ||
bd0d90b2 FB |
77 | static void padstr8(uint8_t *buf, int buf_size, const char *src) |
78 | { | |
79 | int i; | |
80 | for(i = 0; i < buf_size; i++) { | |
81 | if (*src) | |
82 | buf[i] = *src++; | |
83 | else | |
84 | buf[i] = ' '; | |
85 | } | |
86 | } | |
87 | ||
67b915a5 FB |
88 | static void put_le16(uint16_t *p, unsigned int v) |
89 | { | |
0c4ad8dc | 90 | *p = cpu_to_le16(v); |
67b915a5 FB |
91 | } |
92 | ||
5391d806 FB |
93 | static void ide_identify(IDEState *s) |
94 | { | |
95 | uint16_t *p; | |
96 | unsigned int oldsize; | |
57dac7ef | 97 | IDEDevice *dev; |
5391d806 | 98 | |
94458802 FB |
99 | if (s->identify_set) { |
100 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
101 | return; | |
102 | } | |
103 | ||
5391d806 FB |
104 | memset(s->io_buffer, 0, 512); |
105 | p = (uint16_t *)s->io_buffer; | |
67b915a5 | 106 | put_le16(p + 0, 0x0040); |
5fafdf24 | 107 | put_le16(p + 1, s->cylinders); |
67b915a5 FB |
108 | put_le16(p + 3, s->heads); |
109 | put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ | |
110 | put_le16(p + 5, 512); /* XXX: retired, remove ? */ | |
5fafdf24 | 111 | put_le16(p + 6, s->sectors); |
fa879c64 | 112 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
67b915a5 FB |
113 | put_le16(p + 20, 3); /* XXX: retired, remove ? */ |
114 | put_le16(p + 21, 512); /* cache size in sectors */ | |
115 | put_le16(p + 22, 4); /* ecc bytes */ | |
47c06340 | 116 | padstr((char *)(p + 23), s->version, 8); /* firmware version */ |
60fe76f3 | 117 | padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */ |
3b46e624 | 118 | #if MAX_MULT_SECTORS > 1 |
67b915a5 | 119 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
5391d806 | 120 | #endif |
67b915a5 | 121 | put_le16(p + 48, 1); /* dword I/O */ |
94458802 | 122 | put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ |
67b915a5 FB |
123 | put_le16(p + 51, 0x200); /* PIO transfer cycle */ |
124 | put_le16(p + 52, 0x200); /* DMA transfer cycle */ | |
94458802 | 125 | put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ |
67b915a5 FB |
126 | put_le16(p + 54, s->cylinders); |
127 | put_le16(p + 55, s->heads); | |
128 | put_le16(p + 56, s->sectors); | |
5391d806 | 129 | oldsize = s->cylinders * s->heads * s->sectors; |
67b915a5 FB |
130 | put_le16(p + 57, oldsize); |
131 | put_le16(p + 58, oldsize >> 16); | |
5391d806 | 132 | if (s->mult_sectors) |
67b915a5 FB |
133 | put_le16(p + 59, 0x100 | s->mult_sectors); |
134 | put_le16(p + 60, s->nb_sectors); | |
135 | put_le16(p + 61, s->nb_sectors >> 16); | |
d1b5c20d | 136 | put_le16(p + 62, 0x07); /* single word dma0-2 supported */ |
94458802 | 137 | put_le16(p + 63, 0x07); /* mdma0-2 supported */ |
79d1d331 | 138 | put_le16(p + 64, 0x03); /* pio3-4 supported */ |
94458802 FB |
139 | put_le16(p + 65, 120); |
140 | put_le16(p + 66, 120); | |
141 | put_le16(p + 67, 120); | |
142 | put_le16(p + 68, 120); | |
ccf0fd8b RE |
143 | |
144 | if (s->ncq_queues) { | |
145 | put_le16(p + 75, s->ncq_queues - 1); | |
146 | /* NCQ supported */ | |
147 | put_le16(p + 76, (1 << 8)); | |
148 | } | |
149 | ||
94458802 FB |
150 | put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ |
151 | put_le16(p + 81, 0x16); /* conforms to ata5 */ | |
a58b8d54 CH |
152 | /* 14=NOP supported, 5=WCACHE supported, 0=SMART supported */ |
153 | put_le16(p + 82, (1 << 14) | (1 << 5) | 1); | |
c2ff060f FB |
154 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ |
155 | put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); | |
e8b54394 BW |
156 | /* 14=set to 1, 1=SMART self test, 0=SMART error logging */ |
157 | put_le16(p + 84, (1 << 14) | 0); | |
e900a7b7 CH |
158 | /* 14 = NOP supported, 5=WCACHE enabled, 0=SMART feature set enabled */ |
159 | if (bdrv_enable_write_cache(s->bs)) | |
160 | put_le16(p + 85, (1 << 14) | (1 << 5) | 1); | |
161 | else | |
162 | put_le16(p + 85, (1 << 14) | 1); | |
c2ff060f FB |
163 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ |
164 | put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); | |
e8b54394 BW |
165 | /* 14=set to 1, 1=smart self test, 0=smart error logging */ |
166 | put_le16(p + 87, (1 << 14) | 0); | |
94458802 FB |
167 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
168 | put_le16(p + 93, 1 | (1 << 14) | 0x2000); | |
c2ff060f FB |
169 | put_le16(p + 100, s->nb_sectors); |
170 | put_le16(p + 101, s->nb_sectors >> 16); | |
171 | put_le16(p + 102, s->nb_sectors >> 32); | |
172 | put_le16(p + 103, s->nb_sectors >> 48); | |
57dac7ef MA |
173 | dev = s->unit ? s->bus->slave : s->bus->master; |
174 | if (dev && dev->conf.physical_block_size) | |
175 | put_le16(p + 106, 0x6000 | get_physical_block_exp(&dev->conf)); | |
94458802 FB |
176 | |
177 | memcpy(s->identify_data, p, sizeof(s->identify_data)); | |
178 | s->identify_set = 1; | |
5391d806 FB |
179 | } |
180 | ||
181 | static void ide_atapi_identify(IDEState *s) | |
182 | { | |
183 | uint16_t *p; | |
184 | ||
94458802 FB |
185 | if (s->identify_set) { |
186 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
187 | return; | |
188 | } | |
189 | ||
5391d806 FB |
190 | memset(s->io_buffer, 0, 512); |
191 | p = (uint16_t *)s->io_buffer; | |
192 | /* Removable CDROM, 50us response, 12 byte packets */ | |
67b915a5 | 193 | put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); |
fa879c64 | 194 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
67b915a5 FB |
195 | put_le16(p + 20, 3); /* buffer type */ |
196 | put_le16(p + 21, 512); /* cache size in sectors */ | |
197 | put_le16(p + 22, 4); /* ecc bytes */ | |
47c06340 | 198 | padstr((char *)(p + 23), s->version, 8); /* firmware version */ |
38cdea7c | 199 | padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ |
67b915a5 | 200 | put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
8ccad811 FB |
201 | #ifdef USE_DMA_CDROM |
202 | put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ | |
203 | put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ | |
d1b5c20d | 204 | put_le16(p + 62, 7); /* single word dma0-2 supported */ |
8ccad811 | 205 | put_le16(p + 63, 7); /* mdma0-2 supported */ |
8ccad811 | 206 | #else |
67b915a5 FB |
207 | put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ |
208 | put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ | |
209 | put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ | |
8ccad811 | 210 | #endif |
79d1d331 | 211 | put_le16(p + 64, 3); /* pio3-4 supported */ |
67b915a5 FB |
212 | put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ |
213 | put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ | |
214 | put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ | |
215 | put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ | |
94458802 | 216 | |
67b915a5 FB |
217 | put_le16(p + 71, 30); /* in ns */ |
218 | put_le16(p + 72, 30); /* in ns */ | |
5391d806 | 219 | |
67b915a5 | 220 | put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ |
8ccad811 FB |
221 | #ifdef USE_DMA_CDROM |
222 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ | |
223 | #endif | |
94458802 FB |
224 | memcpy(s->identify_data, p, sizeof(s->identify_data)); |
225 | s->identify_set = 1; | |
5391d806 FB |
226 | } |
227 | ||
201a51fc AZ |
228 | static void ide_cfata_identify(IDEState *s) |
229 | { | |
230 | uint16_t *p; | |
231 | uint32_t cur_sec; | |
201a51fc AZ |
232 | |
233 | p = (uint16_t *) s->identify_data; | |
234 | if (s->identify_set) | |
235 | goto fill_buffer; | |
236 | ||
237 | memset(p, 0, sizeof(s->identify_data)); | |
238 | ||
239 | cur_sec = s->cylinders * s->heads * s->sectors; | |
240 | ||
241 | put_le16(p + 0, 0x848a); /* CF Storage Card signature */ | |
242 | put_le16(p + 1, s->cylinders); /* Default cylinders */ | |
243 | put_le16(p + 3, s->heads); /* Default heads */ | |
244 | put_le16(p + 6, s->sectors); /* Default sectors per track */ | |
245 | put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ | |
246 | put_le16(p + 8, s->nb_sectors); /* Sectors per card */ | |
fa879c64 | 247 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
201a51fc | 248 | put_le16(p + 22, 0x0004); /* ECC bytes */ |
47c06340 | 249 | padstr((char *) (p + 23), s->version, 8); /* Firmware Revision */ |
60fe76f3 | 250 | padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */ |
201a51fc AZ |
251 | #if MAX_MULT_SECTORS > 1 |
252 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); | |
253 | #else | |
254 | put_le16(p + 47, 0x0000); | |
255 | #endif | |
256 | put_le16(p + 49, 0x0f00); /* Capabilities */ | |
257 | put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ | |
258 | put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ | |
259 | put_le16(p + 53, 0x0003); /* Translation params valid */ | |
260 | put_le16(p + 54, s->cylinders); /* Current cylinders */ | |
261 | put_le16(p + 55, s->heads); /* Current heads */ | |
262 | put_le16(p + 56, s->sectors); /* Current sectors */ | |
263 | put_le16(p + 57, cur_sec); /* Current capacity */ | |
264 | put_le16(p + 58, cur_sec >> 16); /* Current capacity */ | |
265 | if (s->mult_sectors) /* Multiple sector setting */ | |
266 | put_le16(p + 59, 0x100 | s->mult_sectors); | |
267 | put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ | |
268 | put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ | |
269 | put_le16(p + 63, 0x0203); /* Multiword DMA capability */ | |
270 | put_le16(p + 64, 0x0001); /* Flow Control PIO support */ | |
271 | put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ | |
272 | put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ | |
273 | put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ | |
274 | put_le16(p + 82, 0x400c); /* Command Set supported */ | |
275 | put_le16(p + 83, 0x7068); /* Command Set supported */ | |
276 | put_le16(p + 84, 0x4000); /* Features supported */ | |
277 | put_le16(p + 85, 0x000c); /* Command Set enabled */ | |
278 | put_le16(p + 86, 0x7044); /* Command Set enabled */ | |
279 | put_le16(p + 87, 0x4000); /* Features enabled */ | |
280 | put_le16(p + 91, 0x4060); /* Current APM level */ | |
281 | put_le16(p + 129, 0x0002); /* Current features option */ | |
282 | put_le16(p + 130, 0x0005); /* Reassigned sectors */ | |
283 | put_le16(p + 131, 0x0001); /* Initial power mode */ | |
284 | put_le16(p + 132, 0x0000); /* User signature */ | |
285 | put_le16(p + 160, 0x8100); /* Power requirement */ | |
286 | put_le16(p + 161, 0x8001); /* CF command set */ | |
287 | ||
288 | s->identify_set = 1; | |
289 | ||
290 | fill_buffer: | |
291 | memcpy(s->io_buffer, p, sizeof(s->identify_data)); | |
292 | } | |
293 | ||
5391d806 FB |
294 | static void ide_set_signature(IDEState *s) |
295 | { | |
296 | s->select &= 0xf0; /* clear head */ | |
297 | /* put signature */ | |
298 | s->nsector = 1; | |
299 | s->sector = 1; | |
cd8722bb | 300 | if (s->drive_kind == IDE_CD) { |
5391d806 FB |
301 | s->lcyl = 0x14; |
302 | s->hcyl = 0xeb; | |
303 | } else if (s->bs) { | |
304 | s->lcyl = 0; | |
305 | s->hcyl = 0; | |
306 | } else { | |
307 | s->lcyl = 0xff; | |
308 | s->hcyl = 0xff; | |
309 | } | |
310 | } | |
311 | ||
312 | static inline void ide_abort_command(IDEState *s) | |
313 | { | |
314 | s->status = READY_STAT | ERR_STAT; | |
315 | s->error = ABRT_ERR; | |
316 | } | |
317 | ||
5604e090 | 318 | static inline void ide_dma_submit_check(IDEState *s, |
40a6238a | 319 | BlockDriverCompletionFunc *dma_cb) |
5604e090 | 320 | { |
40a6238a | 321 | if (s->bus->dma->aiocb) |
5604e090 | 322 | return; |
40a6238a | 323 | dma_cb(s, -1); |
5604e090 AZ |
324 | } |
325 | ||
5391d806 | 326 | /* prepare data transfer and tell what to do after */ |
5fafdf24 | 327 | static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
5391d806 FB |
328 | EndTransferFunc *end_transfer_func) |
329 | { | |
330 | s->end_transfer_func = end_transfer_func; | |
331 | s->data_ptr = buf; | |
332 | s->data_end = buf + size; | |
40a6238a | 333 | if (!(s->status & ERR_STAT)) { |
7603d156 | 334 | s->status |= DRQ_STAT; |
40a6238a AG |
335 | } |
336 | s->bus->dma->ops->start_transfer(s->bus->dma); | |
5391d806 FB |
337 | } |
338 | ||
339 | static void ide_transfer_stop(IDEState *s) | |
340 | { | |
341 | s->end_transfer_func = ide_transfer_stop; | |
342 | s->data_ptr = s->io_buffer; | |
343 | s->data_end = s->io_buffer; | |
344 | s->status &= ~DRQ_STAT; | |
345 | } | |
346 | ||
356721ae | 347 | int64_t ide_get_sector(IDEState *s) |
5391d806 FB |
348 | { |
349 | int64_t sector_num; | |
350 | if (s->select & 0x40) { | |
351 | /* lba */ | |
c2ff060f FB |
352 | if (!s->lba48) { |
353 | sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | | |
354 | (s->lcyl << 8) | s->sector; | |
355 | } else { | |
356 | sector_num = ((int64_t)s->hob_hcyl << 40) | | |
357 | ((int64_t) s->hob_lcyl << 32) | | |
358 | ((int64_t) s->hob_sector << 24) | | |
359 | ((int64_t) s->hcyl << 16) | | |
360 | ((int64_t) s->lcyl << 8) | s->sector; | |
361 | } | |
5391d806 FB |
362 | } else { |
363 | sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + | |
c2ff060f | 364 | (s->select & 0x0f) * s->sectors + (s->sector - 1); |
5391d806 FB |
365 | } |
366 | return sector_num; | |
367 | } | |
368 | ||
356721ae | 369 | void ide_set_sector(IDEState *s, int64_t sector_num) |
5391d806 FB |
370 | { |
371 | unsigned int cyl, r; | |
372 | if (s->select & 0x40) { | |
c2ff060f FB |
373 | if (!s->lba48) { |
374 | s->select = (s->select & 0xf0) | (sector_num >> 24); | |
375 | s->hcyl = (sector_num >> 16); | |
376 | s->lcyl = (sector_num >> 8); | |
377 | s->sector = (sector_num); | |
378 | } else { | |
379 | s->sector = sector_num; | |
380 | s->lcyl = sector_num >> 8; | |
381 | s->hcyl = sector_num >> 16; | |
382 | s->hob_sector = sector_num >> 24; | |
383 | s->hob_lcyl = sector_num >> 32; | |
384 | s->hob_hcyl = sector_num >> 40; | |
385 | } | |
5391d806 FB |
386 | } else { |
387 | cyl = sector_num / (s->heads * s->sectors); | |
388 | r = sector_num % (s->heads * s->sectors); | |
389 | s->hcyl = cyl >> 8; | |
390 | s->lcyl = cyl; | |
1b8eb456 | 391 | s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); |
5391d806 FB |
392 | s->sector = (r % s->sectors) + 1; |
393 | } | |
394 | } | |
395 | ||
e162cfb0 AZ |
396 | static void ide_rw_error(IDEState *s) { |
397 | ide_abort_command(s); | |
9cdd03a7 | 398 | ide_set_irq(s->bus); |
e162cfb0 AZ |
399 | } |
400 | ||
40a6238a | 401 | void ide_sector_read(IDEState *s) |
5391d806 FB |
402 | { |
403 | int64_t sector_num; | |
404 | int ret, n; | |
405 | ||
406 | s->status = READY_STAT | SEEK_STAT; | |
a136e5a8 | 407 | s->error = 0; /* not needed by IDE spec, but needed by Windows */ |
5391d806 FB |
408 | sector_num = ide_get_sector(s); |
409 | n = s->nsector; | |
410 | if (n == 0) { | |
411 | /* no more sector to read from disk */ | |
412 | ide_transfer_stop(s); | |
413 | } else { | |
414 | #if defined(DEBUG_IDE) | |
18c5f8ea | 415 | printf("read sector=%" PRId64 "\n", sector_num); |
5391d806 FB |
416 | #endif |
417 | if (n > s->req_nb_sectors) | |
418 | n = s->req_nb_sectors; | |
419 | ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); | |
e162cfb0 | 420 | if (ret != 0) { |
ce4b6522 KW |
421 | if (ide_handle_rw_error(s, -ret, |
422 | BM_STATUS_PIO_RETRY | BM_STATUS_RETRY_READ)) | |
423 | { | |
424 | return; | |
425 | } | |
e162cfb0 | 426 | } |
5391d806 | 427 | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read); |
9cdd03a7 | 428 | ide_set_irq(s->bus); |
5391d806 FB |
429 | ide_set_sector(s, sector_num + n); |
430 | s->nsector -= n; | |
431 | } | |
432 | } | |
433 | ||
7aea4412 AL |
434 | static void dma_buf_commit(IDEState *s, int is_write) |
435 | { | |
1fb8648d | 436 | qemu_sglist_destroy(&s->sg); |
7aea4412 AL |
437 | } |
438 | ||
40a6238a | 439 | static void ide_set_inactive(IDEState *s) |
8337606d | 440 | { |
40a6238a AG |
441 | s->bus->dma->aiocb = NULL; |
442 | s->bus->dma->ops->set_inactive(s->bus->dma); | |
8337606d KW |
443 | } |
444 | ||
356721ae | 445 | void ide_dma_error(IDEState *s) |
e162cfb0 AZ |
446 | { |
447 | ide_transfer_stop(s); | |
448 | s->error = ABRT_ERR; | |
449 | s->status = READY_STAT | ERR_STAT; | |
40a6238a AG |
450 | ide_set_inactive(s); |
451 | s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT); | |
9cdd03a7 | 452 | ide_set_irq(s->bus); |
e162cfb0 AZ |
453 | } |
454 | ||
ce4b6522 | 455 | static int ide_handle_rw_error(IDEState *s, int error, int op) |
428c5705 | 456 | { |
ce4b6522 | 457 | int is_read = (op & BM_STATUS_RETRY_READ); |
abd7f68d | 458 | BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); |
428c5705 | 459 | |
7ad7e3c3 LC |
460 | if (action == BLOCK_ERR_IGNORE) { |
461 | bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read); | |
428c5705 | 462 | return 0; |
7ad7e3c3 | 463 | } |
428c5705 AL |
464 | |
465 | if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) | |
466 | || action == BLOCK_ERR_STOP_ANY) { | |
40a6238a AG |
467 | s->bus->dma->ops->set_unit(s->bus->dma, s->unit); |
468 | s->bus->dma->ops->add_status(s->bus->dma, op); | |
7ad7e3c3 | 469 | bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read); |
554a310b | 470 | vm_stop(0); |
428c5705 | 471 | } else { |
ce4b6522 | 472 | if (op & BM_STATUS_DMA_RETRY) { |
7aea4412 | 473 | dma_buf_commit(s, 0); |
428c5705 | 474 | ide_dma_error(s); |
7aea4412 | 475 | } else { |
428c5705 | 476 | ide_rw_error(s); |
7aea4412 | 477 | } |
7ad7e3c3 | 478 | bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read); |
428c5705 AL |
479 | } |
480 | ||
481 | return 1; | |
482 | } | |
483 | ||
40a6238a | 484 | void ide_read_dma_cb(void *opaque, int ret) |
98087450 | 485 | { |
40a6238a | 486 | IDEState *s = opaque; |
8ccad811 FB |
487 | int n; |
488 | int64_t sector_num; | |
489 | ||
e162cfb0 | 490 | if (ret < 0) { |
ce4b6522 KW |
491 | if (ide_handle_rw_error(s, -ret, |
492 | BM_STATUS_DMA_RETRY | BM_STATUS_RETRY_READ)) | |
493 | { | |
494 | return; | |
495 | } | |
e162cfb0 AZ |
496 | } |
497 | ||
8ccad811 FB |
498 | n = s->io_buffer_size >> 9; |
499 | sector_num = ide_get_sector(s); | |
500 | if (n > 0) { | |
7aea4412 | 501 | dma_buf_commit(s, 1); |
8ccad811 FB |
502 | sector_num += n; |
503 | ide_set_sector(s, sector_num); | |
504 | s->nsector -= n; | |
8ccad811 FB |
505 | } |
506 | ||
507 | /* end of transfer ? */ | |
508 | if (s->nsector == 0) { | |
98087450 | 509 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 510 | ide_set_irq(s->bus); |
8ccad811 | 511 | eot: |
40a6238a AG |
512 | s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT); |
513 | ide_set_inactive(s); | |
8ccad811 | 514 | return; |
98087450 | 515 | } |
8ccad811 FB |
516 | |
517 | /* launch next transfer */ | |
518 | n = s->nsector; | |
8ccad811 FB |
519 | s->io_buffer_index = 0; |
520 | s->io_buffer_size = n * 512; | |
40a6238a | 521 | if (s->bus->dma->ops->prepare_buf(s->bus->dma, 1) == 0) |
7aea4412 | 522 | goto eot; |
8ccad811 | 523 | #ifdef DEBUG_AIO |
5df23f53 | 524 | printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
8ccad811 | 525 | #endif |
40a6238a AG |
526 | s->bus->dma->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, s); |
527 | ide_dma_submit_check(s, ide_read_dma_cb); | |
98087450 FB |
528 | } |
529 | ||
530 | static void ide_sector_read_dma(IDEState *s) | |
531 | { | |
8ccad811 | 532 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
98087450 FB |
533 | s->io_buffer_index = 0; |
534 | s->io_buffer_size = 0; | |
e3007e66 | 535 | s->is_read = 1; |
40a6238a | 536 | s->bus->dma->ops->start_dma(s->bus->dma, s, ide_read_dma_cb); |
98087450 FB |
537 | } |
538 | ||
a09db21f FB |
539 | static void ide_sector_write_timer_cb(void *opaque) |
540 | { | |
541 | IDEState *s = opaque; | |
9cdd03a7 | 542 | ide_set_irq(s->bus); |
a09db21f FB |
543 | } |
544 | ||
40a6238a | 545 | void ide_sector_write(IDEState *s) |
5391d806 FB |
546 | { |
547 | int64_t sector_num; | |
31c2a146 | 548 | int ret, n, n1; |
5391d806 FB |
549 | |
550 | s->status = READY_STAT | SEEK_STAT; | |
551 | sector_num = ide_get_sector(s); | |
552 | #if defined(DEBUG_IDE) | |
18c5f8ea | 553 | printf("write sector=%" PRId64 "\n", sector_num); |
5391d806 FB |
554 | #endif |
555 | n = s->nsector; | |
556 | if (n > s->req_nb_sectors) | |
557 | n = s->req_nb_sectors; | |
31c2a146 | 558 | ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); |
428c5705 | 559 | |
e162cfb0 | 560 | if (ret != 0) { |
ce4b6522 | 561 | if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY)) |
428c5705 | 562 | return; |
e162cfb0 AZ |
563 | } |
564 | ||
5391d806 FB |
565 | s->nsector -= n; |
566 | if (s->nsector == 0) { | |
292eef5a | 567 | /* no more sectors to write */ |
5391d806 FB |
568 | ide_transfer_stop(s); |
569 | } else { | |
570 | n1 = s->nsector; | |
571 | if (n1 > s->req_nb_sectors) | |
572 | n1 = s->req_nb_sectors; | |
573 | ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write); | |
574 | } | |
575 | ide_set_sector(s, sector_num + n); | |
3b46e624 | 576 | |
31c2a146 TS |
577 | if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { |
578 | /* It seems there is a bug in the Windows 2000 installer HDD | |
579 | IDE driver which fills the disk with empty logs when the | |
580 | IDE write IRQ comes too early. This hack tries to correct | |
581 | that at the expense of slower write performances. Use this | |
582 | option _only_ to install Windows 2000. You must disable it | |
583 | for normal use. */ | |
f7736b91 | 584 | qemu_mod_timer(s->sector_write_timer, |
6ee093c9 | 585 | qemu_get_clock(vm_clock) + (get_ticks_per_sec() / 1000)); |
f7736b91 | 586 | } else { |
9cdd03a7 | 587 | ide_set_irq(s->bus); |
31c2a146 | 588 | } |
5391d806 FB |
589 | } |
590 | ||
40a6238a | 591 | void ide_write_dma_cb(void *opaque, int ret) |
428c5705 | 592 | { |
40a6238a | 593 | IDEState *s = opaque; |
8ccad811 | 594 | int n; |
98087450 FB |
595 | int64_t sector_num; |
596 | ||
e162cfb0 | 597 | if (ret < 0) { |
ce4b6522 | 598 | if (ide_handle_rw_error(s, -ret, BM_STATUS_DMA_RETRY)) |
428c5705 | 599 | return; |
e162cfb0 AZ |
600 | } |
601 | ||
8ccad811 FB |
602 | n = s->io_buffer_size >> 9; |
603 | sector_num = ide_get_sector(s); | |
604 | if (n > 0) { | |
7aea4412 | 605 | dma_buf_commit(s, 0); |
8ccad811 FB |
606 | sector_num += n; |
607 | ide_set_sector(s, sector_num); | |
608 | s->nsector -= n; | |
98087450 | 609 | } |
98087450 | 610 | |
8ccad811 FB |
611 | /* end of transfer ? */ |
612 | if (s->nsector == 0) { | |
613 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 614 | ide_set_irq(s->bus); |
8ccad811 | 615 | eot: |
40a6238a AG |
616 | s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT); |
617 | ide_set_inactive(s); | |
8ccad811 FB |
618 | return; |
619 | } | |
620 | ||
98087450 | 621 | n = s->nsector; |
98087450 | 622 | s->io_buffer_size = n * 512; |
7aea4412 | 623 | /* launch next transfer */ |
40a6238a | 624 | if (s->bus->dma->ops->prepare_buf(s->bus->dma, 0) == 0) |
8ccad811 FB |
625 | goto eot; |
626 | #ifdef DEBUG_AIO | |
5df23f53 | 627 | printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
8ccad811 | 628 | #endif |
40a6238a AG |
629 | s->bus->dma->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, s); |
630 | ide_dma_submit_check(s, ide_write_dma_cb); | |
8ccad811 FB |
631 | } |
632 | ||
633 | static void ide_sector_write_dma(IDEState *s) | |
634 | { | |
635 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; | |
636 | s->io_buffer_index = 0; | |
637 | s->io_buffer_size = 0; | |
e3007e66 | 638 | s->is_read = 0; |
40a6238a | 639 | s->bus->dma->ops->start_dma(s->bus->dma, s, ide_write_dma_cb); |
98087450 FB |
640 | } |
641 | ||
356721ae | 642 | void ide_atapi_cmd_ok(IDEState *s) |
5391d806 FB |
643 | { |
644 | s->error = 0; | |
41a2b959 | 645 | s->status = READY_STAT | SEEK_STAT; |
5391d806 | 646 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; |
9cdd03a7 | 647 | ide_set_irq(s->bus); |
5391d806 FB |
648 | } |
649 | ||
356721ae | 650 | void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) |
5391d806 FB |
651 | { |
652 | #ifdef DEBUG_IDE_ATAPI | |
653 | printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc); | |
654 | #endif | |
655 | s->error = sense_key << 4; | |
656 | s->status = READY_STAT | ERR_STAT; | |
657 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; | |
658 | s->sense_key = sense_key; | |
659 | s->asc = asc; | |
9cdd03a7 | 660 | ide_set_irq(s->bus); |
5391d806 FB |
661 | } |
662 | ||
9118e7f0 AL |
663 | static void ide_atapi_cmd_check_status(IDEState *s) |
664 | { | |
665 | #ifdef DEBUG_IDE_ATAPI | |
666 | printf("atapi_cmd_check_status\n"); | |
667 | #endif | |
668 | s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4); | |
669 | s->status = ERR_STAT; | |
670 | s->nsector = 0; | |
9cdd03a7 | 671 | ide_set_irq(s->bus); |
9118e7f0 AL |
672 | } |
673 | ||
b0484ae4 CH |
674 | static void ide_flush_cb(void *opaque, int ret) |
675 | { | |
676 | IDEState *s = opaque; | |
677 | ||
e2bcadad KW |
678 | if (ret < 0) { |
679 | /* XXX: What sector number to set here? */ | |
680 | if (ide_handle_rw_error(s, -ret, BM_STATUS_RETRY_FLUSH)) { | |
681 | return; | |
682 | } | |
683 | } | |
b0484ae4 CH |
684 | |
685 | s->status = READY_STAT | SEEK_STAT; | |
686 | ide_set_irq(s->bus); | |
687 | } | |
688 | ||
40a6238a | 689 | void ide_flush_cache(IDEState *s) |
6bcb1a79 | 690 | { |
b2df7531 KW |
691 | BlockDriverAIOCB *acb; |
692 | ||
693 | if (s->bs == NULL) { | |
6bcb1a79 | 694 | ide_flush_cb(s, 0); |
b2df7531 KW |
695 | return; |
696 | } | |
697 | ||
698 | acb = bdrv_aio_flush(s->bs, ide_flush_cb, s); | |
699 | if (acb == NULL) { | |
700 | ide_flush_cb(s, -EIO); | |
6bcb1a79 KW |
701 | } |
702 | } | |
703 | ||
5391d806 FB |
704 | static inline void cpu_to_ube16(uint8_t *buf, int val) |
705 | { | |
706 | buf[0] = val >> 8; | |
9e622b15 | 707 | buf[1] = val & 0xff; |
5391d806 FB |
708 | } |
709 | ||
710 | static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) | |
711 | { | |
712 | buf[0] = val >> 24; | |
713 | buf[1] = val >> 16; | |
714 | buf[2] = val >> 8; | |
9e622b15 | 715 | buf[3] = val & 0xff; |
5391d806 FB |
716 | } |
717 | ||
718 | static inline int ube16_to_cpu(const uint8_t *buf) | |
719 | { | |
720 | return (buf[0] << 8) | buf[1]; | |
721 | } | |
722 | ||
723 | static inline int ube32_to_cpu(const uint8_t *buf) | |
724 | { | |
725 | return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; | |
726 | } | |
727 | ||
98087450 FB |
728 | static void lba_to_msf(uint8_t *buf, int lba) |
729 | { | |
730 | lba += 150; | |
731 | buf[0] = (lba / 75) / 60; | |
732 | buf[1] = (lba / 75) % 60; | |
733 | buf[2] = lba % 75; | |
734 | } | |
735 | ||
8ccad811 FB |
736 | static void cd_data_to_raw(uint8_t *buf, int lba) |
737 | { | |
738 | /* sync bytes */ | |
739 | buf[0] = 0x00; | |
740 | memset(buf + 1, 0xff, 10); | |
741 | buf[11] = 0x00; | |
742 | buf += 12; | |
743 | /* MSF */ | |
744 | lba_to_msf(buf, lba); | |
745 | buf[3] = 0x01; /* mode 1 data */ | |
746 | buf += 4; | |
747 | /* data */ | |
748 | buf += 2048; | |
749 | /* XXX: ECC not computed */ | |
750 | memset(buf, 0, 288); | |
751 | } | |
752 | ||
5fafdf24 | 753 | static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, |
98087450 FB |
754 | int sector_size) |
755 | { | |
66c6ef76 FB |
756 | int ret; |
757 | ||
98087450 FB |
758 | switch(sector_size) { |
759 | case 2048: | |
66c6ef76 | 760 | ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); |
98087450 FB |
761 | break; |
762 | case 2352: | |
66c6ef76 FB |
763 | ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); |
764 | if (ret < 0) | |
765 | return ret; | |
8ccad811 | 766 | cd_data_to_raw(buf, lba); |
98087450 FB |
767 | break; |
768 | default: | |
66c6ef76 | 769 | ret = -EIO; |
98087450 FB |
770 | break; |
771 | } | |
66c6ef76 FB |
772 | return ret; |
773 | } | |
774 | ||
356721ae | 775 | void ide_atapi_io_error(IDEState *s, int ret) |
66c6ef76 FB |
776 | { |
777 | /* XXX: handle more errors */ | |
778 | if (ret == -ENOMEDIUM) { | |
5fafdf24 | 779 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
66c6ef76 FB |
780 | ASC_MEDIUM_NOT_PRESENT); |
781 | } else { | |
5fafdf24 | 782 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
66c6ef76 FB |
783 | ASC_LOGICAL_BLOCK_OOR); |
784 | } | |
98087450 FB |
785 | } |
786 | ||
5391d806 FB |
787 | /* The whole ATAPI transfer logic is handled in this function */ |
788 | static void ide_atapi_cmd_reply_end(IDEState *s) | |
789 | { | |
66c6ef76 | 790 | int byte_count_limit, size, ret; |
5391d806 | 791 | #ifdef DEBUG_IDE_ATAPI |
5fafdf24 | 792 | printf("reply: tx_size=%d elem_tx_size=%d index=%d\n", |
5391d806 FB |
793 | s->packet_transfer_size, |
794 | s->elementary_transfer_size, | |
795 | s->io_buffer_index); | |
796 | #endif | |
797 | if (s->packet_transfer_size <= 0) { | |
798 | /* end of transfer */ | |
799 | ide_transfer_stop(s); | |
41a2b959 | 800 | s->status = READY_STAT | SEEK_STAT; |
5391d806 | 801 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; |
9cdd03a7 | 802 | ide_set_irq(s->bus); |
5391d806 FB |
803 | #ifdef DEBUG_IDE_ATAPI |
804 | printf("status=0x%x\n", s->status); | |
805 | #endif | |
806 | } else { | |
807 | /* see if a new sector must be read */ | |
98087450 | 808 | if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { |
66c6ef76 FB |
809 | ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); |
810 | if (ret < 0) { | |
811 | ide_transfer_stop(s); | |
812 | ide_atapi_io_error(s, ret); | |
813 | return; | |
814 | } | |
5391d806 FB |
815 | s->lba++; |
816 | s->io_buffer_index = 0; | |
817 | } | |
818 | if (s->elementary_transfer_size > 0) { | |
819 | /* there are some data left to transmit in this elementary | |
820 | transfer */ | |
98087450 | 821 | size = s->cd_sector_size - s->io_buffer_index; |
5391d806 FB |
822 | if (size > s->elementary_transfer_size) |
823 | size = s->elementary_transfer_size; | |
5391d806 FB |
824 | s->packet_transfer_size -= size; |
825 | s->elementary_transfer_size -= size; | |
826 | s->io_buffer_index += size; | |
2ff61ff1 AG |
827 | ide_transfer_start(s, s->io_buffer + s->io_buffer_index - size, |
828 | size, ide_atapi_cmd_reply_end); | |
5391d806 FB |
829 | } else { |
830 | /* a new transfer is needed */ | |
831 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO; | |
832 | byte_count_limit = s->lcyl | (s->hcyl << 8); | |
833 | #ifdef DEBUG_IDE_ATAPI | |
834 | printf("byte_count_limit=%d\n", byte_count_limit); | |
835 | #endif | |
836 | if (byte_count_limit == 0xffff) | |
837 | byte_count_limit--; | |
838 | size = s->packet_transfer_size; | |
839 | if (size > byte_count_limit) { | |
840 | /* byte count limit must be even if this case */ | |
841 | if (byte_count_limit & 1) | |
842 | byte_count_limit--; | |
843 | size = byte_count_limit; | |
5391d806 | 844 | } |
a136e5a8 FB |
845 | s->lcyl = size; |
846 | s->hcyl = size >> 8; | |
5391d806 FB |
847 | s->elementary_transfer_size = size; |
848 | /* we cannot transmit more than one sector at a time */ | |
849 | if (s->lba != -1) { | |
98087450 FB |
850 | if (size > (s->cd_sector_size - s->io_buffer_index)) |
851 | size = (s->cd_sector_size - s->io_buffer_index); | |
5391d806 | 852 | } |
5391d806 FB |
853 | s->packet_transfer_size -= size; |
854 | s->elementary_transfer_size -= size; | |
855 | s->io_buffer_index += size; | |
2ff61ff1 AG |
856 | ide_transfer_start(s, s->io_buffer + s->io_buffer_index - size, |
857 | size, ide_atapi_cmd_reply_end); | |
9cdd03a7 | 858 | ide_set_irq(s->bus); |
5391d806 FB |
859 | #ifdef DEBUG_IDE_ATAPI |
860 | printf("status=0x%x\n", s->status); | |
861 | #endif | |
862 | } | |
863 | } | |
864 | } | |
865 | ||
866 | /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */ | |
867 | static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) | |
868 | { | |
869 | if (size > max_size) | |
870 | size = max_size; | |
871 | s->lba = -1; /* no sector read */ | |
872 | s->packet_transfer_size = size; | |
5f12ab4b | 873 | s->io_buffer_size = size; /* dma: send the reply data as one chunk */ |
5391d806 FB |
874 | s->elementary_transfer_size = 0; |
875 | s->io_buffer_index = 0; | |
876 | ||
5f12ab4b | 877 | if (s->atapi_dma) { |
41a2b959 | 878 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT; |
40a6238a AG |
879 | s->bus->dma->ops->start_dma(s->bus->dma, s, |
880 | ide_atapi_cmd_read_dma_cb); | |
5f12ab4b | 881 | } else { |
41a2b959 | 882 | s->status = READY_STAT | SEEK_STAT; |
5f12ab4b TS |
883 | ide_atapi_cmd_reply_end(s); |
884 | } | |
5391d806 FB |
885 | } |
886 | ||
887 | /* start a CD-CDROM read command */ | |
98087450 FB |
888 | static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, |
889 | int sector_size) | |
5391d806 | 890 | { |
5391d806 | 891 | s->lba = lba; |
98087450 | 892 | s->packet_transfer_size = nb_sectors * sector_size; |
5391d806 | 893 | s->elementary_transfer_size = 0; |
98087450 FB |
894 | s->io_buffer_index = sector_size; |
895 | s->cd_sector_size = sector_size; | |
5391d806 | 896 | |
41a2b959 | 897 | s->status = READY_STAT | SEEK_STAT; |
5391d806 FB |
898 | ide_atapi_cmd_reply_end(s); |
899 | } | |
900 | ||
98087450 | 901 | /* ATAPI DMA support */ |
8ccad811 FB |
902 | |
903 | /* XXX: handle read errors */ | |
904 | static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) | |
98087450 | 905 | { |
40a6238a | 906 | IDEState *s = opaque; |
8ccad811 FB |
907 | int data_offset, n; |
908 | ||
66c6ef76 FB |
909 | if (ret < 0) { |
910 | ide_atapi_io_error(s, ret); | |
911 | goto eot; | |
912 | } | |
913 | ||
8ccad811 | 914 | if (s->io_buffer_size > 0) { |
5f12ab4b TS |
915 | /* |
916 | * For a cdrom read sector command (s->lba != -1), | |
917 | * adjust the lba for the next s->io_buffer_size chunk | |
918 | * and dma the current chunk. | |
919 | * For a command != read (s->lba == -1), just transfer | |
920 | * the reply data. | |
921 | */ | |
922 | if (s->lba != -1) { | |
923 | if (s->cd_sector_size == 2352) { | |
924 | n = 1; | |
925 | cd_data_to_raw(s->io_buffer, s->lba); | |
926 | } else { | |
927 | n = s->io_buffer_size >> 11; | |
928 | } | |
929 | s->lba += n; | |
930 | } | |
8ccad811 | 931 | s->packet_transfer_size -= s->io_buffer_size; |
40a6238a | 932 | if (s->bus->dma->ops->rw_buf(s->bus->dma, 1) == 0) |
8ccad811 | 933 | goto eot; |
98087450 | 934 | } |
8ccad811 | 935 | |
98087450 | 936 | if (s->packet_transfer_size <= 0) { |
41a2b959 | 937 | s->status = READY_STAT | SEEK_STAT; |
98087450 | 938 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; |
9cdd03a7 | 939 | ide_set_irq(s->bus); |
8ccad811 | 940 | eot: |
40a6238a AG |
941 | s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT); |
942 | ide_set_inactive(s); | |
8ccad811 FB |
943 | return; |
944 | } | |
3b46e624 | 945 | |
8ccad811 FB |
946 | s->io_buffer_index = 0; |
947 | if (s->cd_sector_size == 2352) { | |
948 | n = 1; | |
949 | s->io_buffer_size = s->cd_sector_size; | |
950 | data_offset = 16; | |
951 | } else { | |
952 | n = s->packet_transfer_size >> 11; | |
1d8cde5b AJ |
953 | if (n > (IDE_DMA_BUF_SECTORS / 4)) |
954 | n = (IDE_DMA_BUF_SECTORS / 4); | |
8ccad811 FB |
955 | s->io_buffer_size = n * 2048; |
956 | data_offset = 0; | |
98087450 | 957 | } |
8ccad811 FB |
958 | #ifdef DEBUG_AIO |
959 | printf("aio_read_cd: lba=%u n=%d\n", s->lba, n); | |
960 | #endif | |
40a6238a AG |
961 | s->bus->dma->iov.iov_base = (void *)(s->io_buffer + data_offset); |
962 | s->bus->dma->iov.iov_len = n * 4 * 512; | |
963 | qemu_iovec_init_external(&s->bus->dma->qiov, &s->bus->dma->iov, 1); | |
964 | s->bus->dma->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, | |
965 | &s->bus->dma->qiov, n * 4, | |
966 | ide_atapi_cmd_read_dma_cb, s); | |
967 | if (!s->bus->dma->aiocb) { | |
66c6ef76 | 968 | /* Note: media not present is the most likely case */ |
5fafdf24 | 969 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
66c6ef76 FB |
970 | ASC_MEDIUM_NOT_PRESENT); |
971 | goto eot; | |
972 | } | |
98087450 FB |
973 | } |
974 | ||
975 | /* start a CD-CDROM read command with DMA */ | |
976 | /* XXX: test if DMA is available */ | |
977 | static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, | |
978 | int sector_size) | |
979 | { | |
980 | s->lba = lba; | |
981 | s->packet_transfer_size = nb_sectors * sector_size; | |
8ccad811 FB |
982 | s->io_buffer_index = 0; |
983 | s->io_buffer_size = 0; | |
98087450 FB |
984 | s->cd_sector_size = sector_size; |
985 | ||
8ccad811 | 986 | /* XXX: check if BUSY_STAT should be set */ |
41a2b959 | 987 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
40a6238a AG |
988 | s->bus->dma->ops->start_dma(s->bus->dma, s, |
989 | ide_atapi_cmd_read_dma_cb); | |
98087450 FB |
990 | } |
991 | ||
5fafdf24 | 992 | static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, |
98087450 FB |
993 | int sector_size) |
994 | { | |
995 | #ifdef DEBUG_IDE_ATAPI | |
5f12ab4b TS |
996 | printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", |
997 | lba, nb_sectors); | |
98087450 FB |
998 | #endif |
999 | if (s->atapi_dma) { | |
1000 | ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); | |
1001 | } else { | |
1002 | ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); | |
1003 | } | |
1004 | } | |
1005 | ||
38cdea7c AZ |
1006 | static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, |
1007 | uint16_t profile) | |
1008 | { | |
1009 | uint8_t *buf_profile = buf + 12; /* start of profiles */ | |
1010 | ||
1011 | buf_profile += ((*index) * 4); /* start of indexed profile */ | |
1012 | cpu_to_ube16 (buf_profile, profile); | |
1013 | buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); | |
1014 | ||
1015 | /* each profile adds 4 bytes to the response */ | |
1016 | (*index)++; | |
1017 | buf[11] += 4; /* Additional Length */ | |
1018 | ||
1019 | return 4; | |
1020 | } | |
1021 | ||
8114e9e8 TS |
1022 | static int ide_dvd_read_structure(IDEState *s, int format, |
1023 | const uint8_t *packet, uint8_t *buf) | |
1024 | { | |
1025 | switch (format) { | |
1026 | case 0x0: /* Physical format information */ | |
1027 | { | |
1028 | int layer = packet[6]; | |
1029 | uint64_t total_sectors; | |
1030 | ||
1031 | if (layer != 0) | |
1032 | return -ASC_INV_FIELD_IN_CMD_PACKET; | |
1033 | ||
1034 | bdrv_get_geometry(s->bs, &total_sectors); | |
1035 | total_sectors >>= 2; | |
1036 | if (total_sectors == 0) | |
1037 | return -ASC_MEDIUM_NOT_PRESENT; | |
1038 | ||
1039 | buf[4] = 1; /* DVD-ROM, part version 1 */ | |
1040 | buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ | |
1041 | buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ | |
1042 | buf[7] = 0; /* default densities */ | |
1043 | ||
1044 | /* FIXME: 0x30000 per spec? */ | |
1045 | cpu_to_ube32(buf + 8, 0); /* start sector */ | |
1046 | cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */ | |
1047 | cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */ | |
1048 | ||
1049 | /* Size of buffer, not including 2 byte size field */ | |
1050 | cpu_to_be16wu((uint16_t *)buf, 2048 + 2); | |
1051 | ||
1052 | /* 2k data + 4 byte header */ | |
1053 | return (2048 + 4); | |
1054 | } | |
1055 | ||
1056 | case 0x01: /* DVD copyright information */ | |
1057 | buf[4] = 0; /* no copyright data */ | |
1058 | buf[5] = 0; /* no region restrictions */ | |
1059 | ||
1060 | /* Size of buffer, not including 2 byte size field */ | |
1061 | cpu_to_be16wu((uint16_t *)buf, 4 + 2); | |
1062 | ||
1063 | /* 4 byte header + 4 byte data */ | |
1064 | return (4 + 4); | |
1065 | ||
1066 | case 0x03: /* BCA information - invalid field for no BCA info */ | |
1067 | return -ASC_INV_FIELD_IN_CMD_PACKET; | |
1068 | ||
1069 | case 0x04: /* DVD disc manufacturing information */ | |
1070 | /* Size of buffer, not including 2 byte size field */ | |
1071 | cpu_to_be16wu((uint16_t *)buf, 2048 + 2); | |
1072 | ||
1073 | /* 2k data + 4 byte header */ | |
1074 | return (2048 + 4); | |
1075 | ||
1076 | case 0xff: | |
1077 | /* | |
1078 | * This lists all the command capabilities above. Add new ones | |
1079 | * in order and update the length and buffer return values. | |
1080 | */ | |
1081 | ||
1082 | buf[4] = 0x00; /* Physical format */ | |
1083 | buf[5] = 0x40; /* Not writable, is readable */ | |
1084 | cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4); | |
1085 | ||
1086 | buf[8] = 0x01; /* Copyright info */ | |
1087 | buf[9] = 0x40; /* Not writable, is readable */ | |
1088 | cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4); | |
1089 | ||
1090 | buf[12] = 0x03; /* BCA info */ | |
1091 | buf[13] = 0x40; /* Not writable, is readable */ | |
1092 | cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4); | |
1093 | ||
1094 | buf[16] = 0x04; /* Manufacturing info */ | |
1095 | buf[17] = 0x40; /* Not writable, is readable */ | |
1096 | cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4); | |
1097 | ||
1098 | /* Size of buffer, not including 2 byte size field */ | |
1099 | cpu_to_be16wu((uint16_t *)buf, 16 + 2); | |
1100 | ||
1101 | /* data written + 4 byte header */ | |
1102 | return (16 + 4); | |
1103 | ||
1104 | default: /* TODO: formats beyond DVD-ROM requires */ | |
1105 | return -ASC_INV_FIELD_IN_CMD_PACKET; | |
1106 | } | |
1107 | } | |
1108 | ||
5391d806 FB |
1109 | static void ide_atapi_cmd(IDEState *s) |
1110 | { | |
1111 | const uint8_t *packet; | |
1112 | uint8_t *buf; | |
1113 | int max_len; | |
1114 | ||
1115 | packet = s->io_buffer; | |
1116 | buf = s->io_buffer; | |
1117 | #ifdef DEBUG_IDE_ATAPI | |
1118 | { | |
1119 | int i; | |
1120 | printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); | |
1121 | for(i = 0; i < ATAPI_PACKET_SIZE; i++) { | |
1122 | printf(" %02x", packet[i]); | |
1123 | } | |
1124 | printf("\n"); | |
1125 | } | |
1126 | #endif | |
9118e7f0 AL |
1127 | /* If there's a UNIT_ATTENTION condition pending, only |
1128 | REQUEST_SENSE and INQUIRY commands are allowed to complete. */ | |
1129 | if (s->sense_key == SENSE_UNIT_ATTENTION && | |
1130 | s->io_buffer[0] != GPCMD_REQUEST_SENSE && | |
1131 | s->io_buffer[0] != GPCMD_INQUIRY) { | |
1132 | ide_atapi_cmd_check_status(s); | |
1133 | return; | |
1134 | } | |
5391d806 FB |
1135 | switch(s->io_buffer[0]) { |
1136 | case GPCMD_TEST_UNIT_READY: | |
93c8cfd9 | 1137 | if (bdrv_is_inserted(s->bs) && !s->cdrom_changed) { |
5391d806 FB |
1138 | ide_atapi_cmd_ok(s); |
1139 | } else { | |
93c8cfd9 | 1140 | s->cdrom_changed = 0; |
5fafdf24 | 1141 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1142 | ASC_MEDIUM_NOT_PRESENT); |
1143 | } | |
1144 | break; | |
d14049ea | 1145 | case GPCMD_MODE_SENSE_6: |
5391d806 FB |
1146 | case GPCMD_MODE_SENSE_10: |
1147 | { | |
1148 | int action, code; | |
d14049ea TS |
1149 | if (packet[0] == GPCMD_MODE_SENSE_10) |
1150 | max_len = ube16_to_cpu(packet + 7); | |
1151 | else | |
1152 | max_len = packet[4]; | |
5391d806 FB |
1153 | action = packet[2] >> 6; |
1154 | code = packet[2] & 0x3f; | |
1155 | switch(action) { | |
1156 | case 0: /* current values */ | |
1157 | switch(code) { | |
a70089ce | 1158 | case GPMODE_R_W_ERROR_PAGE: /* error recovery */ |
5391d806 FB |
1159 | cpu_to_ube16(&buf[0], 16 + 6); |
1160 | buf[2] = 0x70; | |
1161 | buf[3] = 0; | |
1162 | buf[4] = 0; | |
1163 | buf[5] = 0; | |
1164 | buf[6] = 0; | |
1165 | buf[7] = 0; | |
1166 | ||
1167 | buf[8] = 0x01; | |
1168 | buf[9] = 0x06; | |
1169 | buf[10] = 0x00; | |
1170 | buf[11] = 0x05; | |
1171 | buf[12] = 0x00; | |
1172 | buf[13] = 0x00; | |
1173 | buf[14] = 0x00; | |
1174 | buf[15] = 0x00; | |
1175 | ide_atapi_cmd_reply(s, 16, max_len); | |
1176 | break; | |
fe0d6123 TLSC |
1177 | case GPMODE_AUDIO_CTL_PAGE: |
1178 | cpu_to_ube16(&buf[0], 24 + 6); | |
1179 | buf[2] = 0x70; | |
1180 | buf[3] = 0; | |
1181 | buf[4] = 0; | |
1182 | buf[5] = 0; | |
1183 | buf[6] = 0; | |
1184 | buf[7] = 0; | |
1185 | ||
1186 | /* Fill with CDROM audio volume */ | |
1187 | buf[17] = 0; | |
1188 | buf[19] = 0; | |
1189 | buf[21] = 0; | |
1190 | buf[23] = 0; | |
1191 | ||
1192 | ide_atapi_cmd_reply(s, 24, max_len); | |
1193 | break; | |
a70089ce | 1194 | case GPMODE_CAPABILITIES_PAGE: |
5391d806 FB |
1195 | cpu_to_ube16(&buf[0], 28 + 6); |
1196 | buf[2] = 0x70; | |
1197 | buf[3] = 0; | |
1198 | buf[4] = 0; | |
1199 | buf[5] = 0; | |
1200 | buf[6] = 0; | |
1201 | buf[7] = 0; | |
1202 | ||
1203 | buf[8] = 0x2a; | |
1204 | buf[9] = 0x12; | |
0d4a05a1 | 1205 | buf[10] = 0x00; |
5391d806 | 1206 | buf[11] = 0x00; |
3b46e624 | 1207 | |
d5b4eb40 AL |
1208 | /* Claim PLAY_AUDIO capability (0x01) since some Linux |
1209 | code checks for this to automount media. */ | |
1210 | buf[12] = 0x71; | |
5391d806 FB |
1211 | buf[13] = 3 << 5; |
1212 | buf[14] = (1 << 0) | (1 << 3) | (1 << 5); | |
caed8802 | 1213 | if (bdrv_is_locked(s->bs)) |
5391d806 FB |
1214 | buf[6] |= 1 << 1; |
1215 | buf[15] = 0x00; | |
1216 | cpu_to_ube16(&buf[16], 706); | |
1217 | buf[18] = 0; | |
1218 | buf[19] = 2; | |
1219 | cpu_to_ube16(&buf[20], 512); | |
1220 | cpu_to_ube16(&buf[22], 706); | |
1221 | buf[24] = 0; | |
1222 | buf[25] = 0; | |
1223 | buf[26] = 0; | |
1224 | buf[27] = 0; | |
1225 | ide_atapi_cmd_reply(s, 28, max_len); | |
1226 | break; | |
1227 | default: | |
1228 | goto error_cmd; | |
1229 | } | |
1230 | break; | |
1231 | case 1: /* changeable values */ | |
1232 | goto error_cmd; | |
1233 | case 2: /* default values */ | |
1234 | goto error_cmd; | |
1235 | default: | |
1236 | case 3: /* saved values */ | |
5fafdf24 | 1237 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
5391d806 FB |
1238 | ASC_SAVING_PARAMETERS_NOT_SUPPORTED); |
1239 | break; | |
1240 | } | |
1241 | } | |
1242 | break; | |
1243 | case GPCMD_REQUEST_SENSE: | |
1244 | max_len = packet[4]; | |
1245 | memset(buf, 0, 18); | |
1246 | buf[0] = 0x70 | (1 << 7); | |
1247 | buf[2] = s->sense_key; | |
1248 | buf[7] = 10; | |
1249 | buf[12] = s->asc; | |
9118e7f0 AL |
1250 | if (s->sense_key == SENSE_UNIT_ATTENTION) |
1251 | s->sense_key = SENSE_NONE; | |
5391d806 FB |
1252 | ide_atapi_cmd_reply(s, 18, max_len); |
1253 | break; | |
1254 | case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL: | |
caed8802 FB |
1255 | if (bdrv_is_inserted(s->bs)) { |
1256 | bdrv_set_locked(s->bs, packet[4] & 1); | |
5391d806 FB |
1257 | ide_atapi_cmd_ok(s); |
1258 | } else { | |
5fafdf24 | 1259 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1260 | ASC_MEDIUM_NOT_PRESENT); |
1261 | } | |
1262 | break; | |
1263 | case GPCMD_READ_10: | |
1264 | case GPCMD_READ_12: | |
1265 | { | |
1266 | int nb_sectors, lba; | |
1267 | ||
5391d806 FB |
1268 | if (packet[0] == GPCMD_READ_10) |
1269 | nb_sectors = ube16_to_cpu(packet + 7); | |
1270 | else | |
1271 | nb_sectors = ube32_to_cpu(packet + 6); | |
1272 | lba = ube32_to_cpu(packet + 2); | |
1273 | if (nb_sectors == 0) { | |
1274 | ide_atapi_cmd_ok(s); | |
1275 | break; | |
1276 | } | |
98087450 FB |
1277 | ide_atapi_cmd_read(s, lba, nb_sectors, 2048); |
1278 | } | |
1279 | break; | |
1280 | case GPCMD_READ_CD: | |
1281 | { | |
1282 | int nb_sectors, lba, transfer_request; | |
1283 | ||
98087450 FB |
1284 | nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; |
1285 | lba = ube32_to_cpu(packet + 2); | |
1286 | if (nb_sectors == 0) { | |
1287 | ide_atapi_cmd_ok(s); | |
1288 | break; | |
1289 | } | |
98087450 FB |
1290 | transfer_request = packet[9]; |
1291 | switch(transfer_request & 0xf8) { | |
1292 | case 0x00: | |
1293 | /* nothing */ | |
1294 | ide_atapi_cmd_ok(s); | |
1295 | break; | |
1296 | case 0x10: | |
1297 | /* normal read */ | |
1298 | ide_atapi_cmd_read(s, lba, nb_sectors, 2048); | |
1299 | break; | |
1300 | case 0xf8: | |
1301 | /* read all data */ | |
1302 | ide_atapi_cmd_read(s, lba, nb_sectors, 2352); | |
1303 | break; | |
1304 | default: | |
5fafdf24 | 1305 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
98087450 FB |
1306 | ASC_INV_FIELD_IN_CMD_PACKET); |
1307 | break; | |
1308 | } | |
5391d806 FB |
1309 | } |
1310 | break; | |
1311 | case GPCMD_SEEK: | |
1312 | { | |
96b8f136 TS |
1313 | unsigned int lba; |
1314 | uint64_t total_sectors; | |
66c6ef76 FB |
1315 | |
1316 | bdrv_get_geometry(s->bs, &total_sectors); | |
1317 | total_sectors >>= 2; | |
96b8f136 | 1318 | if (total_sectors == 0) { |
5fafdf24 | 1319 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1320 | ASC_MEDIUM_NOT_PRESENT); |
1321 | break; | |
1322 | } | |
1323 | lba = ube32_to_cpu(packet + 2); | |
66c6ef76 | 1324 | if (lba >= total_sectors) { |
5fafdf24 | 1325 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
5391d806 FB |
1326 | ASC_LOGICAL_BLOCK_OOR); |
1327 | break; | |
1328 | } | |
1329 | ide_atapi_cmd_ok(s); | |
1330 | } | |
1331 | break; | |
1332 | case GPCMD_START_STOP_UNIT: | |
1333 | { | |
aea2a33c | 1334 | int start, eject, err = 0; |
5391d806 FB |
1335 | start = packet[4] & 1; |
1336 | eject = (packet[4] >> 1) & 1; | |
3b46e624 | 1337 | |
aea2a33c MM |
1338 | if (eject) { |
1339 | err = bdrv_eject(s->bs, !start); | |
1340 | } | |
1341 | ||
1342 | switch (err) { | |
1343 | case 0: | |
1344 | ide_atapi_cmd_ok(s); | |
1345 | break; | |
1346 | case -EBUSY: | |
1347 | ide_atapi_cmd_error(s, SENSE_NOT_READY, | |
1348 | ASC_MEDIA_REMOVAL_PREVENTED); | |
1349 | break; | |
1350 | default: | |
1351 | ide_atapi_cmd_error(s, SENSE_NOT_READY, | |
1352 | ASC_MEDIUM_NOT_PRESENT); | |
1353 | break; | |
caed8802 | 1354 | } |
5391d806 FB |
1355 | } |
1356 | break; | |
1357 | case GPCMD_MECHANISM_STATUS: | |
1358 | { | |
1359 | max_len = ube16_to_cpu(packet + 8); | |
1360 | cpu_to_ube16(buf, 0); | |
1361 | /* no current LBA */ | |
1362 | buf[2] = 0; | |
1363 | buf[3] = 0; | |
1364 | buf[4] = 0; | |
1365 | buf[5] = 1; | |
1366 | cpu_to_ube16(buf + 6, 0); | |
1367 | ide_atapi_cmd_reply(s, 8, max_len); | |
1368 | } | |
1369 | break; | |
1370 | case GPCMD_READ_TOC_PMA_ATIP: | |
1371 | { | |
1372 | int format, msf, start_track, len; | |
96b8f136 | 1373 | uint64_t total_sectors; |
5391d806 | 1374 | |
66c6ef76 FB |
1375 | bdrv_get_geometry(s->bs, &total_sectors); |
1376 | total_sectors >>= 2; | |
96b8f136 | 1377 | if (total_sectors == 0) { |
5fafdf24 | 1378 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1379 | ASC_MEDIUM_NOT_PRESENT); |
1380 | break; | |
1381 | } | |
1382 | max_len = ube16_to_cpu(packet + 7); | |
1383 | format = packet[9] >> 6; | |
1384 | msf = (packet[1] >> 1) & 1; | |
1385 | start_track = packet[6]; | |
1386 | switch(format) { | |
1387 | case 0: | |
66c6ef76 | 1388 | len = cdrom_read_toc(total_sectors, buf, msf, start_track); |
5391d806 FB |
1389 | if (len < 0) |
1390 | goto error_cmd; | |
1391 | ide_atapi_cmd_reply(s, len, max_len); | |
1392 | break; | |
1393 | case 1: | |
1394 | /* multi session : only a single session defined */ | |
1395 | memset(buf, 0, 12); | |
1396 | buf[1] = 0x0a; | |
1397 | buf[2] = 0x01; | |
1398 | buf[3] = 0x01; | |
1399 | ide_atapi_cmd_reply(s, 12, max_len); | |
1400 | break; | |
98087450 | 1401 | case 2: |
66c6ef76 | 1402 | len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); |
98087450 FB |
1403 | if (len < 0) |
1404 | goto error_cmd; | |
1405 | ide_atapi_cmd_reply(s, len, max_len); | |
1406 | break; | |
5391d806 | 1407 | default: |
7f777bf3 | 1408 | error_cmd: |
5fafdf24 | 1409 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
7f777bf3 FB |
1410 | ASC_INV_FIELD_IN_CMD_PACKET); |
1411 | break; | |
5391d806 FB |
1412 | } |
1413 | } | |
1414 | break; | |
1415 | case GPCMD_READ_CDVD_CAPACITY: | |
66c6ef76 | 1416 | { |
96b8f136 | 1417 | uint64_t total_sectors; |
66c6ef76 FB |
1418 | |
1419 | bdrv_get_geometry(s->bs, &total_sectors); | |
1420 | total_sectors >>= 2; | |
96b8f136 | 1421 | if (total_sectors == 0) { |
5fafdf24 | 1422 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
66c6ef76 FB |
1423 | ASC_MEDIUM_NOT_PRESENT); |
1424 | break; | |
1425 | } | |
1426 | /* NOTE: it is really the number of sectors minus 1 */ | |
1427 | cpu_to_ube32(buf, total_sectors - 1); | |
1428 | cpu_to_ube32(buf + 4, 2048); | |
1429 | ide_atapi_cmd_reply(s, 8, 8); | |
5391d806 | 1430 | } |
5391d806 | 1431 | break; |
d14049ea TS |
1432 | case GPCMD_READ_DVD_STRUCTURE: |
1433 | { | |
1434 | int media = packet[1]; | |
8114e9e8 TS |
1435 | int format = packet[7]; |
1436 | int ret; | |
d14049ea | 1437 | |
8114e9e8 | 1438 | max_len = ube16_to_cpu(packet + 8); |
d14049ea | 1439 | |
8114e9e8 TS |
1440 | if (format < 0xff) { |
1441 | if (media_is_cd(s)) { | |
1442 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1443 | ASC_INCOMPATIBLE_FORMAT); | |
1444 | break; | |
1445 | } else if (!media_present(s)) { | |
1446 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1447 | ASC_INV_FIELD_IN_CMD_PACKET); | |
1448 | break; | |
1449 | } | |
1450 | } | |
d14049ea | 1451 | |
8114e9e8 TS |
1452 | memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ? |
1453 | IDE_DMA_BUF_SECTORS * 512 + 4 : max_len); | |
d14049ea | 1454 | |
8114e9e8 TS |
1455 | switch (format) { |
1456 | case 0x00 ... 0x7f: | |
1457 | case 0xff: | |
1458 | if (media == 0) { | |
1459 | ret = ide_dvd_read_structure(s, format, packet, buf); | |
d14049ea | 1460 | |
8114e9e8 TS |
1461 | if (ret < 0) |
1462 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret); | |
1463 | else | |
1464 | ide_atapi_cmd_reply(s, ret, max_len); | |
d14049ea | 1465 | |
8114e9e8 TS |
1466 | break; |
1467 | } | |
1468 | /* TODO: BD support, fall through for now */ | |
1469 | ||
1470 | /* Generic disk structures */ | |
1471 | case 0x80: /* TODO: AACS volume identifier */ | |
1472 | case 0x81: /* TODO: AACS media serial number */ | |
1473 | case 0x82: /* TODO: AACS media identifier */ | |
1474 | case 0x83: /* TODO: AACS media key block */ | |
1475 | case 0x90: /* TODO: List of recognized format layers */ | |
1476 | case 0xc0: /* TODO: Write protection status */ | |
d14049ea TS |
1477 | default: |
1478 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1479 | ASC_INV_FIELD_IN_CMD_PACKET); | |
1480 | break; | |
1481 | } | |
1482 | } | |
1483 | break; | |
1484 | case GPCMD_SET_SPEED: | |
1485 | ide_atapi_cmd_ok(s); | |
1486 | break; | |
bd0d90b2 FB |
1487 | case GPCMD_INQUIRY: |
1488 | max_len = packet[4]; | |
1489 | buf[0] = 0x05; /* CD-ROM */ | |
1490 | buf[1] = 0x80; /* removable */ | |
1491 | buf[2] = 0x00; /* ISO */ | |
1492 | buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ | |
aa1f17c1 | 1493 | buf[4] = 31; /* additional length */ |
bd0d90b2 FB |
1494 | buf[5] = 0; /* reserved */ |
1495 | buf[6] = 0; /* reserved */ | |
1496 | buf[7] = 0; /* reserved */ | |
1497 | padstr8(buf + 8, 8, "QEMU"); | |
38cdea7c | 1498 | padstr8(buf + 16, 16, "QEMU DVD-ROM"); |
47c06340 | 1499 | padstr8(buf + 32, 4, s->version); |
bd0d90b2 FB |
1500 | ide_atapi_cmd_reply(s, 36, max_len); |
1501 | break; | |
d14049ea TS |
1502 | case GPCMD_GET_CONFIGURATION: |
1503 | { | |
38cdea7c | 1504 | uint32_t len; |
091d055b | 1505 | uint8_t index = 0; |
d14049ea TS |
1506 | |
1507 | /* only feature 0 is supported */ | |
1508 | if (packet[2] != 0 || packet[3] != 0) { | |
1509 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1510 | ASC_INV_FIELD_IN_CMD_PACKET); | |
1511 | break; | |
1512 | } | |
38cdea7c AZ |
1513 | |
1514 | /* XXX: could result in alignment problems in some architectures */ | |
1515 | max_len = ube16_to_cpu(packet + 7); | |
091d055b | 1516 | |
38cdea7c | 1517 | /* |
091d055b AZ |
1518 | * XXX: avoid overflow for io_buffer if max_len is bigger than |
1519 | * the size of that buffer (dimensioned to max number of | |
1520 | * sectors to transfer at once) | |
38cdea7c | 1521 | * |
091d055b | 1522 | * Only a problem if the feature/profiles grow. |
38cdea7c AZ |
1523 | */ |
1524 | if (max_len > 512) /* XXX: assume 1 sector */ | |
1525 | max_len = 512; | |
1526 | ||
1527 | memset(buf, 0, max_len); | |
1528 | /* | |
1529 | * the number of sectors from the media tells us which profile | |
1530 | * to use as current. 0 means there is no media | |
38cdea7c | 1531 | */ |
8114e9e8 TS |
1532 | if (media_is_dvd(s)) |
1533 | cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM); | |
1534 | else if (media_is_cd(s)) | |
1535 | cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM); | |
38cdea7c | 1536 | |
091d055b AZ |
1537 | buf[10] = 0x02 | 0x01; /* persistent and current */ |
1538 | len = 12; /* headers: 8 + 4 */ | |
1539 | len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); | |
1540 | len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); | |
38cdea7c AZ |
1541 | cpu_to_ube32(buf, len - 4); /* data length */ |
1542 | ||
1543 | ide_atapi_cmd_reply(s, len, max_len); | |
d14049ea TS |
1544 | break; |
1545 | } | |
253cb7b9 AJ |
1546 | case GPCMD_GET_EVENT_STATUS_NOTIFICATION: |
1547 | max_len = ube16_to_cpu(packet + 7); | |
1548 | ||
1549 | if (packet[1] & 0x01) { /* polling */ | |
1550 | /* We don't support any event class (yet). */ | |
1551 | cpu_to_ube16(buf, 0x00); /* No event descriptor returned */ | |
1552 | buf[2] = 0x80; /* No Event Available (NEA) */ | |
1553 | buf[3] = 0x00; /* Empty supported event classes */ | |
1554 | ide_atapi_cmd_reply(s, 4, max_len); | |
1555 | } else { /* asynchronous mode */ | |
1556 | /* Only polling is supported, asynchronous mode is not. */ | |
1557 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1558 | ASC_INV_FIELD_IN_CMD_PACKET); | |
1559 | } | |
1560 | break; | |
5391d806 | 1561 | default: |
5fafdf24 | 1562 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
7f777bf3 | 1563 | ASC_ILLEGAL_OPCODE); |
5391d806 FB |
1564 | break; |
1565 | } | |
1566 | } | |
1567 | ||
201a51fc AZ |
1568 | static void ide_cfata_metadata_inquiry(IDEState *s) |
1569 | { | |
1570 | uint16_t *p; | |
1571 | uint32_t spd; | |
1572 | ||
1573 | p = (uint16_t *) s->io_buffer; | |
1574 | memset(p, 0, 0x200); | |
1575 | spd = ((s->mdata_size - 1) >> 9) + 1; | |
1576 | ||
1577 | put_le16(p + 0, 0x0001); /* Data format revision */ | |
1578 | put_le16(p + 1, 0x0000); /* Media property: silicon */ | |
1579 | put_le16(p + 2, s->media_changed); /* Media status */ | |
1580 | put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ | |
1581 | put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ | |
1582 | put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ | |
1583 | put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ | |
1584 | } | |
1585 | ||
1586 | static void ide_cfata_metadata_read(IDEState *s) | |
1587 | { | |
1588 | uint16_t *p; | |
1589 | ||
1590 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
1591 | s->status = ERR_STAT; | |
1592 | s->error = ABRT_ERR; | |
1593 | return; | |
1594 | } | |
1595 | ||
1596 | p = (uint16_t *) s->io_buffer; | |
1597 | memset(p, 0, 0x200); | |
1598 | ||
1599 | put_le16(p + 0, s->media_changed); /* Media status */ | |
1600 | memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
1601 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
1602 | s->nsector << 9), 0x200 - 2)); | |
1603 | } | |
1604 | ||
1605 | static void ide_cfata_metadata_write(IDEState *s) | |
1606 | { | |
1607 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
1608 | s->status = ERR_STAT; | |
1609 | s->error = ABRT_ERR; | |
1610 | return; | |
1611 | } | |
1612 | ||
1613 | s->media_changed = 0; | |
1614 | ||
1615 | memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
1616 | s->io_buffer + 2, | |
1617 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
1618 | s->nsector << 9), 0x200 - 2)); | |
1619 | } | |
1620 | ||
bd491d6a TS |
1621 | /* called when the inserted state of the media has changed */ |
1622 | static void cdrom_change_cb(void *opaque) | |
1623 | { | |
1624 | IDEState *s = opaque; | |
96b8f136 | 1625 | uint64_t nb_sectors; |
bd491d6a | 1626 | |
bd491d6a TS |
1627 | bdrv_get_geometry(s->bs, &nb_sectors); |
1628 | s->nb_sectors = nb_sectors; | |
9118e7f0 AL |
1629 | |
1630 | s->sense_key = SENSE_UNIT_ATTENTION; | |
1631 | s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; | |
93c8cfd9 | 1632 | s->cdrom_changed = 1; |
9cdd03a7 | 1633 | ide_set_irq(s->bus); |
bd491d6a TS |
1634 | } |
1635 | ||
c2ff060f FB |
1636 | static void ide_cmd_lba48_transform(IDEState *s, int lba48) |
1637 | { | |
1638 | s->lba48 = lba48; | |
1639 | ||
1640 | /* handle the 'magic' 0 nsector count conversion here. to avoid | |
1641 | * fiddling with the rest of the read logic, we just store the | |
1642 | * full sector count in ->nsector and ignore ->hob_nsector from now | |
1643 | */ | |
1644 | if (!s->lba48) { | |
1645 | if (!s->nsector) | |
1646 | s->nsector = 256; | |
1647 | } else { | |
1648 | if (!s->nsector && !s->hob_nsector) | |
1649 | s->nsector = 65536; | |
1650 | else { | |
1651 | int lo = s->nsector; | |
1652 | int hi = s->hob_nsector; | |
1653 | ||
1654 | s->nsector = (hi << 8) | lo; | |
1655 | } | |
1656 | } | |
1657 | } | |
1658 | ||
bcbdc4d3 | 1659 | static void ide_clear_hob(IDEBus *bus) |
c2ff060f FB |
1660 | { |
1661 | /* any write clears HOB high bit of device control register */ | |
bcbdc4d3 GH |
1662 | bus->ifs[0].select &= ~(1 << 7); |
1663 | bus->ifs[1].select &= ~(1 << 7); | |
c2ff060f FB |
1664 | } |
1665 | ||
356721ae | 1666 | void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
caed8802 | 1667 | { |
bcbdc4d3 | 1668 | IDEBus *bus = opaque; |
5391d806 FB |
1669 | |
1670 | #ifdef DEBUG_IDE | |
1671 | printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); | |
1672 | #endif | |
c2ff060f | 1673 | |
5391d806 | 1674 | addr &= 7; |
fcdd25ab AL |
1675 | |
1676 | /* ignore writes to command block while busy with previous command */ | |
bcbdc4d3 | 1677 | if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) |
fcdd25ab AL |
1678 | return; |
1679 | ||
5391d806 FB |
1680 | switch(addr) { |
1681 | case 0: | |
1682 | break; | |
1683 | case 1: | |
bcbdc4d3 | 1684 | ide_clear_hob(bus); |
c45c3d00 | 1685 | /* NOTE: data is written to the two drives */ |
bcbdc4d3 GH |
1686 | bus->ifs[0].hob_feature = bus->ifs[0].feature; |
1687 | bus->ifs[1].hob_feature = bus->ifs[1].feature; | |
1688 | bus->ifs[0].feature = val; | |
1689 | bus->ifs[1].feature = val; | |
5391d806 FB |
1690 | break; |
1691 | case 2: | |
bcbdc4d3 GH |
1692 | ide_clear_hob(bus); |
1693 | bus->ifs[0].hob_nsector = bus->ifs[0].nsector; | |
1694 | bus->ifs[1].hob_nsector = bus->ifs[1].nsector; | |
1695 | bus->ifs[0].nsector = val; | |
1696 | bus->ifs[1].nsector = val; | |
5391d806 FB |
1697 | break; |
1698 | case 3: | |
bcbdc4d3 GH |
1699 | ide_clear_hob(bus); |
1700 | bus->ifs[0].hob_sector = bus->ifs[0].sector; | |
1701 | bus->ifs[1].hob_sector = bus->ifs[1].sector; | |
1702 | bus->ifs[0].sector = val; | |
1703 | bus->ifs[1].sector = val; | |
5391d806 FB |
1704 | break; |
1705 | case 4: | |
bcbdc4d3 GH |
1706 | ide_clear_hob(bus); |
1707 | bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; | |
1708 | bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; | |
1709 | bus->ifs[0].lcyl = val; | |
1710 | bus->ifs[1].lcyl = val; | |
5391d806 FB |
1711 | break; |
1712 | case 5: | |
bcbdc4d3 GH |
1713 | ide_clear_hob(bus); |
1714 | bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; | |
1715 | bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; | |
1716 | bus->ifs[0].hcyl = val; | |
1717 | bus->ifs[1].hcyl = val; | |
5391d806 FB |
1718 | break; |
1719 | case 6: | |
c2ff060f | 1720 | /* FIXME: HOB readback uses bit 7 */ |
bcbdc4d3 GH |
1721 | bus->ifs[0].select = (val & ~0x10) | 0xa0; |
1722 | bus->ifs[1].select = (val | 0x10) | 0xa0; | |
5391d806 | 1723 | /* select drive */ |
bcbdc4d3 | 1724 | bus->unit = (val >> 4) & 1; |
5391d806 FB |
1725 | break; |
1726 | default: | |
1727 | case 7: | |
1728 | /* command */ | |
7cff87ff AG |
1729 | ide_exec_cmd(bus, val); |
1730 | break; | |
1731 | } | |
1732 | } | |
1733 | ||
1734 | ||
1735 | void ide_exec_cmd(IDEBus *bus, uint32_t val) | |
1736 | { | |
1737 | IDEState *s; | |
1738 | int n; | |
1739 | int lba48 = 0; | |
1740 | ||
5391d806 | 1741 | #if defined(DEBUG_IDE) |
6ef2ba5e | 1742 | printf("ide: CMD=%02x\n", val); |
5391d806 | 1743 | #endif |
6ef2ba5e AG |
1744 | s = idebus_active_if(bus); |
1745 | /* ignore commands to non existant slave */ | |
1746 | if (s != bus->ifs && !s->bs) | |
1747 | return; | |
c2ff060f | 1748 | |
6ef2ba5e AG |
1749 | /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ |
1750 | if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) | |
1751 | return; | |
fcdd25ab | 1752 | |
6ef2ba5e AG |
1753 | switch(val) { |
1754 | case WIN_IDENTIFY: | |
1755 | if (s->bs && s->drive_kind != IDE_CD) { | |
1756 | if (s->drive_kind != IDE_CFATA) | |
1757 | ide_identify(s); | |
1758 | else | |
1759 | ide_cfata_identify(s); | |
769bec72 | 1760 | s->status = READY_STAT | SEEK_STAT; |
6ef2ba5e AG |
1761 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); |
1762 | } else { | |
1763 | if (s->drive_kind == IDE_CD) { | |
1764 | ide_set_signature(s); | |
5391d806 | 1765 | } |
6ef2ba5e AG |
1766 | ide_abort_command(s); |
1767 | } | |
1768 | ide_set_irq(s->bus); | |
1769 | break; | |
1770 | case WIN_SPECIFY: | |
1771 | case WIN_RECAL: | |
1772 | s->error = 0; | |
1773 | s->status = READY_STAT | SEEK_STAT; | |
1774 | ide_set_irq(s->bus); | |
1775 | break; | |
1776 | case WIN_SETMULT: | |
1777 | if (s->drive_kind == IDE_CFATA && s->nsector == 0) { | |
1778 | /* Disable Read and Write Multiple */ | |
1779 | s->mult_sectors = 0; | |
41a2b959 | 1780 | s->status = READY_STAT | SEEK_STAT; |
6ef2ba5e AG |
1781 | } else if ((s->nsector & 0xff) != 0 && |
1782 | ((s->nsector & 0xff) > MAX_MULT_SECTORS || | |
1783 | (s->nsector & (s->nsector - 1)) != 0)) { | |
1784 | ide_abort_command(s); | |
1785 | } else { | |
1786 | s->mult_sectors = s->nsector & 0xff; | |
1787 | s->status = READY_STAT | SEEK_STAT; | |
1788 | } | |
1789 | ide_set_irq(s->bus); | |
1790 | break; | |
1791 | case WIN_VERIFY_EXT: | |
1792 | lba48 = 1; | |
1793 | case WIN_VERIFY: | |
1794 | case WIN_VERIFY_ONCE: | |
1795 | /* do sector number check ? */ | |
1796 | ide_cmd_lba48_transform(s, lba48); | |
1797 | s->status = READY_STAT | SEEK_STAT; | |
1798 | ide_set_irq(s->bus); | |
1799 | break; | |
c2ff060f | 1800 | case WIN_READ_EXT: |
6ef2ba5e AG |
1801 | lba48 = 1; |
1802 | case WIN_READ: | |
1803 | case WIN_READ_ONCE: | |
1804 | if (!s->bs) | |
1805 | goto abort_cmd; | |
1806 | ide_cmd_lba48_transform(s, lba48); | |
1807 | s->req_nb_sectors = 1; | |
1808 | ide_sector_read(s); | |
1809 | break; | |
c2ff060f | 1810 | case WIN_WRITE_EXT: |
6ef2ba5e AG |
1811 | lba48 = 1; |
1812 | case WIN_WRITE: | |
1813 | case WIN_WRITE_ONCE: | |
1814 | case CFA_WRITE_SECT_WO_ERASE: | |
1815 | case WIN_WRITE_VERIFY: | |
1816 | ide_cmd_lba48_transform(s, lba48); | |
1817 | s->error = 0; | |
1818 | s->status = SEEK_STAT | READY_STAT; | |
1819 | s->req_nb_sectors = 1; | |
1820 | ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); | |
1821 | s->media_changed = 1; | |
1822 | break; | |
c2ff060f | 1823 | case WIN_MULTREAD_EXT: |
6ef2ba5e AG |
1824 | lba48 = 1; |
1825 | case WIN_MULTREAD: | |
1826 | if (!s->mult_sectors) | |
1827 | goto abort_cmd; | |
1828 | ide_cmd_lba48_transform(s, lba48); | |
1829 | s->req_nb_sectors = s->mult_sectors; | |
1830 | ide_sector_read(s); | |
1831 | break; | |
1832 | case WIN_MULTWRITE_EXT: | |
1833 | lba48 = 1; | |
1834 | case WIN_MULTWRITE: | |
1835 | case CFA_WRITE_MULTI_WO_ERASE: | |
1836 | if (!s->mult_sectors) | |
1837 | goto abort_cmd; | |
1838 | ide_cmd_lba48_transform(s, lba48); | |
1839 | s->error = 0; | |
1840 | s->status = SEEK_STAT | READY_STAT; | |
1841 | s->req_nb_sectors = s->mult_sectors; | |
1842 | n = s->nsector; | |
1843 | if (n > s->req_nb_sectors) | |
1844 | n = s->req_nb_sectors; | |
1845 | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write); | |
1846 | s->media_changed = 1; | |
1847 | break; | |
c2ff060f | 1848 | case WIN_READDMA_EXT: |
6ef2ba5e AG |
1849 | lba48 = 1; |
1850 | case WIN_READDMA: | |
1851 | case WIN_READDMA_ONCE: | |
1852 | if (!s->bs) | |
1853 | goto abort_cmd; | |
1854 | ide_cmd_lba48_transform(s, lba48); | |
1855 | ide_sector_read_dma(s); | |
1856 | break; | |
c2ff060f | 1857 | case WIN_WRITEDMA_EXT: |
6ef2ba5e AG |
1858 | lba48 = 1; |
1859 | case WIN_WRITEDMA: | |
1860 | case WIN_WRITEDMA_ONCE: | |
1861 | if (!s->bs) | |
1862 | goto abort_cmd; | |
1863 | ide_cmd_lba48_transform(s, lba48); | |
1864 | ide_sector_write_dma(s); | |
1865 | s->media_changed = 1; | |
1866 | break; | |
1867 | case WIN_READ_NATIVE_MAX_EXT: | |
1868 | lba48 = 1; | |
1869 | case WIN_READ_NATIVE_MAX: | |
1870 | ide_cmd_lba48_transform(s, lba48); | |
1871 | ide_set_sector(s, s->nb_sectors - 1); | |
1872 | s->status = READY_STAT | SEEK_STAT; | |
1873 | ide_set_irq(s->bus); | |
1874 | break; | |
1875 | case WIN_CHECKPOWERMODE1: | |
1876 | case WIN_CHECKPOWERMODE2: | |
1877 | s->nsector = 0xff; /* device active or idle */ | |
1878 | s->status = READY_STAT | SEEK_STAT; | |
1879 | ide_set_irq(s->bus); | |
1880 | break; | |
1881 | case WIN_SETFEATURES: | |
1882 | if (!s->bs) | |
1883 | goto abort_cmd; | |
1884 | /* XXX: valid for CDROM ? */ | |
1885 | switch(s->feature) { | |
1886 | case 0xcc: /* reverting to power-on defaults enable */ | |
1887 | case 0x66: /* reverting to power-on defaults disable */ | |
1888 | case 0x02: /* write cache enable */ | |
1889 | case 0x82: /* write cache disable */ | |
1890 | case 0xaa: /* read look-ahead enable */ | |
1891 | case 0x55: /* read look-ahead disable */ | |
1892 | case 0x05: /* set advanced power management mode */ | |
1893 | case 0x85: /* disable advanced power management mode */ | |
1894 | case 0x69: /* NOP */ | |
1895 | case 0x67: /* NOP */ | |
1896 | case 0x96: /* NOP */ | |
1897 | case 0x9a: /* NOP */ | |
1898 | case 0x42: /* enable Automatic Acoustic Mode */ | |
1899 | case 0xc2: /* disable Automatic Acoustic Mode */ | |
41a2b959 | 1900 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1901 | ide_set_irq(s->bus); |
a136e5a8 | 1902 | break; |
6ef2ba5e | 1903 | case 0x03: { /* set transfer mode */ |
94458802 | 1904 | uint8_t val = s->nsector & 0x07; |
6ef2ba5e | 1905 | uint16_t *identify_data = (uint16_t *)s->identify_data; |
94458802 FB |
1906 | |
1907 | switch (s->nsector >> 3) { | |
6ef2ba5e AG |
1908 | case 0x00: /* pio default */ |
1909 | case 0x01: /* pio mode */ | |
96c35ceb JQ |
1910 | put_le16(identify_data + 62,0x07); |
1911 | put_le16(identify_data + 63,0x07); | |
1912 | put_le16(identify_data + 88,0x3f); | |
d1b5c20d | 1913 | break; |
6ef2ba5e | 1914 | case 0x02: /* sigle word dma mode*/ |
96c35ceb JQ |
1915 | put_le16(identify_data + 62,0x07 | (1 << (val + 8))); |
1916 | put_le16(identify_data + 63,0x07); | |
1917 | put_le16(identify_data + 88,0x3f); | |
94458802 | 1918 | break; |
6ef2ba5e | 1919 | case 0x04: /* mdma mode */ |
96c35ceb JQ |
1920 | put_le16(identify_data + 62,0x07); |
1921 | put_le16(identify_data + 63,0x07 | (1 << (val + 8))); | |
1922 | put_le16(identify_data + 88,0x3f); | |
94458802 | 1923 | break; |
6ef2ba5e | 1924 | case 0x08: /* udma mode */ |
96c35ceb JQ |
1925 | put_le16(identify_data + 62,0x07); |
1926 | put_le16(identify_data + 63,0x07); | |
1927 | put_le16(identify_data + 88,0x3f | (1 << (val + 8))); | |
94458802 | 1928 | break; |
6ef2ba5e | 1929 | default: |
94458802 FB |
1930 | goto abort_cmd; |
1931 | } | |
4fbfcd6d | 1932 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1933 | ide_set_irq(s->bus); |
4fbfcd6d | 1934 | break; |
6ef2ba5e AG |
1935 | } |
1936 | default: | |
1937 | goto abort_cmd; | |
1938 | } | |
1939 | break; | |
1940 | case WIN_FLUSH_CACHE: | |
1941 | case WIN_FLUSH_CACHE_EXT: | |
1942 | ide_flush_cache(s); | |
1943 | break; | |
1944 | case WIN_STANDBY: | |
1945 | case WIN_STANDBY2: | |
1946 | case WIN_STANDBYNOW1: | |
1947 | case WIN_STANDBYNOW2: | |
1948 | case WIN_IDLEIMMEDIATE: | |
1949 | case CFA_IDLEIMMEDIATE: | |
1950 | case WIN_SETIDLE1: | |
1951 | case WIN_SETIDLE2: | |
1952 | case WIN_SLEEPNOW1: | |
1953 | case WIN_SLEEPNOW2: | |
1954 | s->status = READY_STAT; | |
1955 | ide_set_irq(s->bus); | |
1956 | break; | |
1957 | case WIN_SEEK: | |
1958 | if(s->drive_kind == IDE_CD) | |
1959 | goto abort_cmd; | |
1960 | /* XXX: Check that seek is within bounds */ | |
1961 | s->status = READY_STAT | SEEK_STAT; | |
1962 | ide_set_irq(s->bus); | |
1963 | break; | |
1964 | /* ATAPI commands */ | |
1965 | case WIN_PIDENTIFY: | |
1966 | if (s->drive_kind == IDE_CD) { | |
1967 | ide_atapi_identify(s); | |
41a2b959 | 1968 | s->status = READY_STAT | SEEK_STAT; |
6ef2ba5e AG |
1969 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); |
1970 | } else { | |
1971 | ide_abort_command(s); | |
1972 | } | |
1973 | ide_set_irq(s->bus); | |
1974 | break; | |
1975 | case WIN_DIAGNOSE: | |
1976 | ide_set_signature(s); | |
1977 | if (s->drive_kind == IDE_CD) | |
1978 | s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet | |
1979 | * devices to return a clear status register | |
1980 | * with READY_STAT *not* set. */ | |
1981 | else | |
41a2b959 | 1982 | s->status = READY_STAT | SEEK_STAT; |
6ef2ba5e AG |
1983 | s->error = 0x01; /* Device 0 passed, Device 1 passed or not |
1984 | * present. | |
1985 | */ | |
1986 | ide_set_irq(s->bus); | |
1987 | break; | |
1988 | case WIN_SRST: | |
1989 | if (s->drive_kind != IDE_CD) | |
1990 | goto abort_cmd; | |
1991 | ide_set_signature(s); | |
1992 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
1993 | s->error = 0x01; | |
1994 | break; | |
1995 | case WIN_PACKETCMD: | |
1996 | if (s->drive_kind != IDE_CD) | |
1997 | goto abort_cmd; | |
1998 | /* overlapping commands not supported */ | |
1999 | if (s->feature & 0x02) | |
2000 | goto abort_cmd; | |
2001 | s->status = READY_STAT | SEEK_STAT; | |
2002 | s->atapi_dma = s->feature & 1; | |
2003 | s->nsector = 1; | |
2004 | ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, | |
2005 | ide_atapi_cmd); | |
2006 | break; | |
2007 | /* CF-ATA commands */ | |
2008 | case CFA_REQ_EXT_ERROR_CODE: | |
2009 | if (s->drive_kind != IDE_CFATA) | |
2010 | goto abort_cmd; | |
2011 | s->error = 0x09; /* miscellaneous error */ | |
2012 | s->status = READY_STAT | SEEK_STAT; | |
2013 | ide_set_irq(s->bus); | |
2014 | break; | |
2015 | case CFA_ERASE_SECTORS: | |
2016 | case CFA_WEAR_LEVEL: | |
2017 | if (s->drive_kind != IDE_CFATA) | |
2018 | goto abort_cmd; | |
2019 | if (val == CFA_WEAR_LEVEL) | |
2020 | s->nsector = 0; | |
2021 | if (val == CFA_ERASE_SECTORS) | |
2022 | s->media_changed = 1; | |
2023 | s->error = 0x00; | |
2024 | s->status = READY_STAT | SEEK_STAT; | |
2025 | ide_set_irq(s->bus); | |
2026 | break; | |
2027 | case CFA_TRANSLATE_SECTOR: | |
2028 | if (s->drive_kind != IDE_CFATA) | |
2029 | goto abort_cmd; | |
2030 | s->error = 0x00; | |
2031 | s->status = READY_STAT | SEEK_STAT; | |
2032 | memset(s->io_buffer, 0, 0x200); | |
2033 | s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ | |
2034 | s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ | |
2035 | s->io_buffer[0x02] = s->select; /* Head */ | |
2036 | s->io_buffer[0x03] = s->sector; /* Sector */ | |
2037 | s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ | |
2038 | s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ | |
2039 | s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ | |
2040 | s->io_buffer[0x13] = 0x00; /* Erase flag */ | |
2041 | s->io_buffer[0x18] = 0x00; /* Hot count */ | |
2042 | s->io_buffer[0x19] = 0x00; /* Hot count */ | |
2043 | s->io_buffer[0x1a] = 0x01; /* Hot count */ | |
2044 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
2045 | ide_set_irq(s->bus); | |
2046 | break; | |
2047 | case CFA_ACCESS_METADATA_STORAGE: | |
2048 | if (s->drive_kind != IDE_CFATA) | |
2049 | goto abort_cmd; | |
2050 | switch (s->feature) { | |
2051 | case 0x02: /* Inquiry Metadata Storage */ | |
2052 | ide_cfata_metadata_inquiry(s); | |
201a51fc | 2053 | break; |
6ef2ba5e AG |
2054 | case 0x03: /* Read Metadata Storage */ |
2055 | ide_cfata_metadata_read(s); | |
201a51fc | 2056 | break; |
6ef2ba5e AG |
2057 | case 0x04: /* Write Metadata Storage */ |
2058 | ide_cfata_metadata_write(s); | |
201a51fc | 2059 | break; |
6ef2ba5e AG |
2060 | default: |
2061 | goto abort_cmd; | |
2062 | } | |
2063 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
2064 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
2065 | ide_set_irq(s->bus); | |
2066 | break; | |
2067 | case IBM_SENSE_CONDITION: | |
2068 | if (s->drive_kind != IDE_CFATA) | |
2069 | goto abort_cmd; | |
2070 | switch (s->feature) { | |
2071 | case 0x01: /* sense temperature in device */ | |
2072 | s->nsector = 0x50; /* +20 C */ | |
201a51fc | 2073 | break; |
6ef2ba5e AG |
2074 | default: |
2075 | goto abort_cmd; | |
2076 | } | |
2077 | s->status = READY_STAT | SEEK_STAT; | |
2078 | ide_set_irq(s->bus); | |
2079 | break; | |
e8b54394 BW |
2080 | |
2081 | case WIN_SMART: | |
6ef2ba5e | 2082 | if (s->drive_kind == IDE_CD) |
e8b54394 | 2083 | goto abort_cmd; |
6ef2ba5e | 2084 | if (s->hcyl != 0xc2 || s->lcyl != 0x4f) |
e8b54394 | 2085 | goto abort_cmd; |
6ef2ba5e | 2086 | if (!s->smart_enabled && s->feature != SMART_ENABLE) |
e8b54394 | 2087 | goto abort_cmd; |
6ef2ba5e AG |
2088 | switch (s->feature) { |
2089 | case SMART_DISABLE: | |
e8b54394 BW |
2090 | s->smart_enabled = 0; |
2091 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2092 | ide_set_irq(s->bus); |
e8b54394 | 2093 | break; |
6ef2ba5e | 2094 | case SMART_ENABLE: |
e8b54394 BW |
2095 | s->smart_enabled = 1; |
2096 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2097 | ide_set_irq(s->bus); |
e8b54394 | 2098 | break; |
6ef2ba5e | 2099 | case SMART_ATTR_AUTOSAVE: |
e8b54394 BW |
2100 | switch (s->sector) { |
2101 | case 0x00: | |
6ef2ba5e AG |
2102 | s->smart_autosave = 0; |
2103 | break; | |
e8b54394 | 2104 | case 0xf1: |
6ef2ba5e AG |
2105 | s->smart_autosave = 1; |
2106 | break; | |
e8b54394 | 2107 | default: |
6ef2ba5e | 2108 | goto abort_cmd; |
e8b54394 BW |
2109 | } |
2110 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2111 | ide_set_irq(s->bus); |
e8b54394 | 2112 | break; |
6ef2ba5e | 2113 | case SMART_STATUS: |
e8b54394 | 2114 | if (!s->smart_errors) { |
6ef2ba5e AG |
2115 | s->hcyl = 0xc2; |
2116 | s->lcyl = 0x4f; | |
e8b54394 | 2117 | } else { |
6ef2ba5e AG |
2118 | s->hcyl = 0x2c; |
2119 | s->lcyl = 0xf4; | |
e8b54394 BW |
2120 | } |
2121 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2122 | ide_set_irq(s->bus); |
e8b54394 | 2123 | break; |
6ef2ba5e | 2124 | case SMART_READ_THRESH: |
e8b54394 BW |
2125 | memset(s->io_buffer, 0, 0x200); |
2126 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
2127 | for (n=0; n<30; n++) { | |
6ef2ba5e | 2128 | if (smart_attributes[n][0] == 0) |
e8b54394 | 2129 | break; |
6ef2ba5e AG |
2130 | s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; |
2131 | s->io_buffer[2+1+(n*12)] = smart_attributes[n][4]; | |
e8b54394 BW |
2132 | } |
2133 | for (n=0; n<511; n++) /* checksum */ | |
6ef2ba5e | 2134 | s->io_buffer[511] += s->io_buffer[n]; |
e8b54394 BW |
2135 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2136 | s->status = READY_STAT | SEEK_STAT; | |
2137 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
9cdd03a7 | 2138 | ide_set_irq(s->bus); |
e8b54394 | 2139 | break; |
6ef2ba5e | 2140 | case SMART_READ_DATA: |
e8b54394 BW |
2141 | memset(s->io_buffer, 0, 0x200); |
2142 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
2143 | for (n=0; n<30; n++) { | |
6ef2ba5e | 2144 | if (smart_attributes[n][0] == 0) |
e8b54394 | 2145 | break; |
6ef2ba5e AG |
2146 | s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; |
2147 | s->io_buffer[2+1+(n*12)] = smart_attributes[n][1]; | |
2148 | s->io_buffer[2+3+(n*12)] = smart_attributes[n][2]; | |
2149 | s->io_buffer[2+4+(n*12)] = smart_attributes[n][3]; | |
e8b54394 BW |
2150 | } |
2151 | s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); | |
2152 | if (s->smart_selftest_count == 0) { | |
6ef2ba5e | 2153 | s->io_buffer[363] = 0; |
e8b54394 | 2154 | } else { |
6ef2ba5e | 2155 | s->io_buffer[363] = |
e8b54394 | 2156 | s->smart_selftest_data[3 + |
6ef2ba5e AG |
2157 | (s->smart_selftest_count - 1) * |
2158 | 24]; | |
e8b54394 BW |
2159 | } |
2160 | s->io_buffer[364] = 0x20; | |
2161 | s->io_buffer[365] = 0x01; | |
2162 | /* offline data collection capacity: execute + self-test*/ | |
2163 | s->io_buffer[367] = (1<<4 | 1<<3 | 1); | |
2164 | s->io_buffer[368] = 0x03; /* smart capability (1) */ | |
2165 | s->io_buffer[369] = 0x00; /* smart capability (2) */ | |
2166 | s->io_buffer[370] = 0x01; /* error logging supported */ | |
2167 | s->io_buffer[372] = 0x02; /* minutes for poll short test */ | |
2168 | s->io_buffer[373] = 0x36; /* minutes for poll ext test */ | |
2169 | s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ | |
2170 | ||
2171 | for (n=0; n<511; n++) | |
6ef2ba5e | 2172 | s->io_buffer[511] += s->io_buffer[n]; |
e8b54394 BW |
2173 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2174 | s->status = READY_STAT | SEEK_STAT; | |
2175 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
9cdd03a7 | 2176 | ide_set_irq(s->bus); |
e8b54394 | 2177 | break; |
6ef2ba5e | 2178 | case SMART_READ_LOG: |
e8b54394 BW |
2179 | switch (s->sector) { |
2180 | case 0x01: /* summary smart error log */ | |
6ef2ba5e AG |
2181 | memset(s->io_buffer, 0, 0x200); |
2182 | s->io_buffer[0] = 0x01; | |
2183 | s->io_buffer[1] = 0x00; /* no error entries */ | |
2184 | s->io_buffer[452] = s->smart_errors & 0xff; | |
2185 | s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; | |
e8b54394 | 2186 | |
6ef2ba5e | 2187 | for (n=0; n<511; n++) |
e8b54394 | 2188 | s->io_buffer[511] += s->io_buffer[n]; |
6ef2ba5e AG |
2189 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2190 | break; | |
e8b54394 | 2191 | case 0x06: /* smart self test log */ |
6ef2ba5e AG |
2192 | memset(s->io_buffer, 0, 0x200); |
2193 | s->io_buffer[0] = 0x01; | |
2194 | if (s->smart_selftest_count == 0) { | |
e8b54394 | 2195 | s->io_buffer[508] = 0; |
6ef2ba5e | 2196 | } else { |
e8b54394 BW |
2197 | s->io_buffer[508] = s->smart_selftest_count; |
2198 | for (n=2; n<506; n++) | |
6ef2ba5e AG |
2199 | s->io_buffer[n] = s->smart_selftest_data[n]; |
2200 | } | |
2201 | for (n=0; n<511; n++) | |
e8b54394 | 2202 | s->io_buffer[511] += s->io_buffer[n]; |
6ef2ba5e AG |
2203 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2204 | break; | |
e8b54394 | 2205 | default: |
6ef2ba5e | 2206 | goto abort_cmd; |
e8b54394 BW |
2207 | } |
2208 | s->status = READY_STAT | SEEK_STAT; | |
2209 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
9cdd03a7 | 2210 | ide_set_irq(s->bus); |
e8b54394 | 2211 | break; |
6ef2ba5e | 2212 | case SMART_EXECUTE_OFFLINE: |
e8b54394 BW |
2213 | switch (s->sector) { |
2214 | case 0: /* off-line routine */ | |
2215 | case 1: /* short self test */ | |
2216 | case 2: /* extended self test */ | |
6ef2ba5e AG |
2217 | s->smart_selftest_count++; |
2218 | if(s->smart_selftest_count > 21) | |
e8b54394 | 2219 | s->smart_selftest_count = 0; |
6ef2ba5e AG |
2220 | n = 2 + (s->smart_selftest_count - 1) * 24; |
2221 | s->smart_selftest_data[n] = s->sector; | |
2222 | s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ | |
2223 | s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ | |
2224 | s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ | |
2225 | s->status = READY_STAT | SEEK_STAT; | |
2226 | ide_set_irq(s->bus); | |
2227 | break; | |
e8b54394 | 2228 | default: |
6ef2ba5e | 2229 | goto abort_cmd; |
e8b54394 BW |
2230 | } |
2231 | break; | |
6ef2ba5e | 2232 | default: |
e8b54394 | 2233 | goto abort_cmd; |
6ef2ba5e AG |
2234 | } |
2235 | break; | |
2236 | default: | |
2237 | abort_cmd: | |
2238 | ide_abort_command(s); | |
2239 | ide_set_irq(s->bus); | |
2240 | break; | |
2241 | } | |
5391d806 FB |
2242 | } |
2243 | ||
356721ae | 2244 | uint32_t ide_ioport_read(void *opaque, uint32_t addr1) |
5391d806 | 2245 | { |
bcbdc4d3 GH |
2246 | IDEBus *bus = opaque; |
2247 | IDEState *s = idebus_active_if(bus); | |
5391d806 | 2248 | uint32_t addr; |
c2ff060f | 2249 | int ret, hob; |
5391d806 FB |
2250 | |
2251 | addr = addr1 & 7; | |
c2ff060f FB |
2252 | /* FIXME: HOB readback uses bit 7, but it's always set right now */ |
2253 | //hob = s->select & (1 << 7); | |
2254 | hob = 0; | |
5391d806 FB |
2255 | switch(addr) { |
2256 | case 0: | |
2257 | ret = 0xff; | |
2258 | break; | |
2259 | case 1: | |
bcbdc4d3 GH |
2260 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2261 | (s != bus->ifs && !s->bs)) | |
c45c3d00 | 2262 | ret = 0; |
c2ff060f | 2263 | else if (!hob) |
c45c3d00 | 2264 | ret = s->error; |
c2ff060f FB |
2265 | else |
2266 | ret = s->hob_feature; | |
5391d806 FB |
2267 | break; |
2268 | case 2: | |
bcbdc4d3 | 2269 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2270 | ret = 0; |
c2ff060f | 2271 | else if (!hob) |
c45c3d00 | 2272 | ret = s->nsector & 0xff; |
c2ff060f FB |
2273 | else |
2274 | ret = s->hob_nsector; | |
5391d806 FB |
2275 | break; |
2276 | case 3: | |
bcbdc4d3 | 2277 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2278 | ret = 0; |
c2ff060f | 2279 | else if (!hob) |
c45c3d00 | 2280 | ret = s->sector; |
c2ff060f FB |
2281 | else |
2282 | ret = s->hob_sector; | |
5391d806 FB |
2283 | break; |
2284 | case 4: | |
bcbdc4d3 | 2285 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2286 | ret = 0; |
c2ff060f | 2287 | else if (!hob) |
c45c3d00 | 2288 | ret = s->lcyl; |
c2ff060f FB |
2289 | else |
2290 | ret = s->hob_lcyl; | |
5391d806 FB |
2291 | break; |
2292 | case 5: | |
bcbdc4d3 | 2293 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2294 | ret = 0; |
c2ff060f | 2295 | else if (!hob) |
c45c3d00 | 2296 | ret = s->hcyl; |
c2ff060f FB |
2297 | else |
2298 | ret = s->hob_hcyl; | |
5391d806 FB |
2299 | break; |
2300 | case 6: | |
bcbdc4d3 | 2301 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 FB |
2302 | ret = 0; |
2303 | else | |
7ae98627 | 2304 | ret = s->select; |
5391d806 FB |
2305 | break; |
2306 | default: | |
2307 | case 7: | |
bcbdc4d3 GH |
2308 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2309 | (s != bus->ifs && !s->bs)) | |
c45c3d00 FB |
2310 | ret = 0; |
2311 | else | |
2312 | ret = s->status; | |
9cdd03a7 | 2313 | qemu_irq_lower(bus->irq); |
5391d806 FB |
2314 | break; |
2315 | } | |
2316 | #ifdef DEBUG_IDE | |
2317 | printf("ide: read addr=0x%x val=%02x\n", addr1, ret); | |
2318 | #endif | |
2319 | return ret; | |
2320 | } | |
2321 | ||
356721ae | 2322 | uint32_t ide_status_read(void *opaque, uint32_t addr) |
5391d806 | 2323 | { |
bcbdc4d3 GH |
2324 | IDEBus *bus = opaque; |
2325 | IDEState *s = idebus_active_if(bus); | |
5391d806 | 2326 | int ret; |
7ae98627 | 2327 | |
bcbdc4d3 GH |
2328 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2329 | (s != bus->ifs && !s->bs)) | |
7ae98627 FB |
2330 | ret = 0; |
2331 | else | |
2332 | ret = s->status; | |
5391d806 FB |
2333 | #ifdef DEBUG_IDE |
2334 | printf("ide: read status addr=0x%x val=%02x\n", addr, ret); | |
2335 | #endif | |
2336 | return ret; | |
2337 | } | |
2338 | ||
356721ae | 2339 | void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) |
5391d806 | 2340 | { |
bcbdc4d3 | 2341 | IDEBus *bus = opaque; |
5391d806 FB |
2342 | IDEState *s; |
2343 | int i; | |
2344 | ||
2345 | #ifdef DEBUG_IDE | |
2346 | printf("ide: write control addr=0x%x val=%02x\n", addr, val); | |
2347 | #endif | |
2348 | /* common for both drives */ | |
9cdd03a7 | 2349 | if (!(bus->cmd & IDE_CMD_RESET) && |
5391d806 FB |
2350 | (val & IDE_CMD_RESET)) { |
2351 | /* reset low to high */ | |
2352 | for(i = 0;i < 2; i++) { | |
bcbdc4d3 | 2353 | s = &bus->ifs[i]; |
5391d806 FB |
2354 | s->status = BUSY_STAT | SEEK_STAT; |
2355 | s->error = 0x01; | |
2356 | } | |
9cdd03a7 | 2357 | } else if ((bus->cmd & IDE_CMD_RESET) && |
5391d806 FB |
2358 | !(val & IDE_CMD_RESET)) { |
2359 | /* high to low */ | |
2360 | for(i = 0;i < 2; i++) { | |
bcbdc4d3 | 2361 | s = &bus->ifs[i]; |
cd8722bb | 2362 | if (s->drive_kind == IDE_CD) |
6b136f9e FB |
2363 | s->status = 0x00; /* NOTE: READY is _not_ set */ |
2364 | else | |
56bf1d37 | 2365 | s->status = READY_STAT | SEEK_STAT; |
5391d806 FB |
2366 | ide_set_signature(s); |
2367 | } | |
2368 | } | |
2369 | ||
9cdd03a7 | 2370 | bus->cmd = val; |
5391d806 FB |
2371 | } |
2372 | ||
356721ae | 2373 | void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) |
5391d806 | 2374 | { |
bcbdc4d3 GH |
2375 | IDEBus *bus = opaque; |
2376 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2377 | uint8_t *p; |
2378 | ||
fcdd25ab AL |
2379 | /* PIO data access allowed only when DRQ bit is set */ |
2380 | if (!(s->status & DRQ_STAT)) | |
2381 | return; | |
2382 | ||
5391d806 | 2383 | p = s->data_ptr; |
0c4ad8dc | 2384 | *(uint16_t *)p = le16_to_cpu(val); |
5391d806 FB |
2385 | p += 2; |
2386 | s->data_ptr = p; | |
2387 | if (p >= s->data_end) | |
2388 | s->end_transfer_func(s); | |
2389 | } | |
2390 | ||
356721ae | 2391 | uint32_t ide_data_readw(void *opaque, uint32_t addr) |
5391d806 | 2392 | { |
bcbdc4d3 GH |
2393 | IDEBus *bus = opaque; |
2394 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2395 | uint8_t *p; |
2396 | int ret; | |
fcdd25ab AL |
2397 | |
2398 | /* PIO data access allowed only when DRQ bit is set */ | |
2399 | if (!(s->status & DRQ_STAT)) | |
2400 | return 0; | |
2401 | ||
5391d806 | 2402 | p = s->data_ptr; |
0c4ad8dc | 2403 | ret = cpu_to_le16(*(uint16_t *)p); |
5391d806 FB |
2404 | p += 2; |
2405 | s->data_ptr = p; | |
2406 | if (p >= s->data_end) | |
2407 | s->end_transfer_func(s); | |
2408 | return ret; | |
2409 | } | |
2410 | ||
356721ae | 2411 | void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) |
5391d806 | 2412 | { |
bcbdc4d3 GH |
2413 | IDEBus *bus = opaque; |
2414 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2415 | uint8_t *p; |
2416 | ||
fcdd25ab AL |
2417 | /* PIO data access allowed only when DRQ bit is set */ |
2418 | if (!(s->status & DRQ_STAT)) | |
2419 | return; | |
2420 | ||
5391d806 | 2421 | p = s->data_ptr; |
0c4ad8dc | 2422 | *(uint32_t *)p = le32_to_cpu(val); |
5391d806 FB |
2423 | p += 4; |
2424 | s->data_ptr = p; | |
2425 | if (p >= s->data_end) | |
2426 | s->end_transfer_func(s); | |
2427 | } | |
2428 | ||
356721ae | 2429 | uint32_t ide_data_readl(void *opaque, uint32_t addr) |
5391d806 | 2430 | { |
bcbdc4d3 GH |
2431 | IDEBus *bus = opaque; |
2432 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2433 | uint8_t *p; |
2434 | int ret; | |
3b46e624 | 2435 | |
fcdd25ab AL |
2436 | /* PIO data access allowed only when DRQ bit is set */ |
2437 | if (!(s->status & DRQ_STAT)) | |
2438 | return 0; | |
2439 | ||
5391d806 | 2440 | p = s->data_ptr; |
0c4ad8dc | 2441 | ret = cpu_to_le32(*(uint32_t *)p); |
5391d806 FB |
2442 | p += 4; |
2443 | s->data_ptr = p; | |
2444 | if (p >= s->data_end) | |
2445 | s->end_transfer_func(s); | |
2446 | return ret; | |
2447 | } | |
2448 | ||
a7dfe172 FB |
2449 | static void ide_dummy_transfer_stop(IDEState *s) |
2450 | { | |
2451 | s->data_ptr = s->io_buffer; | |
2452 | s->data_end = s->io_buffer; | |
2453 | s->io_buffer[0] = 0xff; | |
2454 | s->io_buffer[1] = 0xff; | |
2455 | s->io_buffer[2] = 0xff; | |
2456 | s->io_buffer[3] = 0xff; | |
2457 | } | |
2458 | ||
4a643563 | 2459 | static void ide_reset(IDEState *s) |
5391d806 | 2460 | { |
4a643563 BS |
2461 | #ifdef DEBUG_IDE |
2462 | printf("ide: reset\n"); | |
2463 | #endif | |
cd8722bb | 2464 | if (s->drive_kind == IDE_CFATA) |
201a51fc AZ |
2465 | s->mult_sectors = 0; |
2466 | else | |
2467 | s->mult_sectors = MAX_MULT_SECTORS; | |
4a643563 BS |
2468 | /* ide regs */ |
2469 | s->feature = 0; | |
2470 | s->error = 0; | |
2471 | s->nsector = 0; | |
2472 | s->sector = 0; | |
2473 | s->lcyl = 0; | |
2474 | s->hcyl = 0; | |
2475 | ||
2476 | /* lba48 */ | |
2477 | s->hob_feature = 0; | |
2478 | s->hob_sector = 0; | |
2479 | s->hob_nsector = 0; | |
2480 | s->hob_lcyl = 0; | |
2481 | s->hob_hcyl = 0; | |
2482 | ||
5391d806 | 2483 | s->select = 0xa0; |
41a2b959 | 2484 | s->status = READY_STAT | SEEK_STAT; |
4a643563 BS |
2485 | |
2486 | s->lba48 = 0; | |
2487 | ||
2488 | /* ATAPI specific */ | |
2489 | s->sense_key = 0; | |
2490 | s->asc = 0; | |
2491 | s->cdrom_changed = 0; | |
2492 | s->packet_transfer_size = 0; | |
2493 | s->elementary_transfer_size = 0; | |
2494 | s->io_buffer_index = 0; | |
2495 | s->cd_sector_size = 0; | |
2496 | s->atapi_dma = 0; | |
2497 | /* ATA DMA state */ | |
2498 | s->io_buffer_size = 0; | |
2499 | s->req_nb_sectors = 0; | |
2500 | ||
5391d806 | 2501 | ide_set_signature(s); |
a7dfe172 FB |
2502 | /* init the transfer handler so that 0xffff is returned on data |
2503 | accesses */ | |
2504 | s->end_transfer_func = ide_dummy_transfer_stop; | |
2505 | ide_dummy_transfer_stop(s); | |
201a51fc | 2506 | s->media_changed = 0; |
5391d806 FB |
2507 | } |
2508 | ||
4a643563 BS |
2509 | void ide_bus_reset(IDEBus *bus) |
2510 | { | |
2511 | bus->unit = 0; | |
2512 | bus->cmd = 0; | |
2513 | ide_reset(&bus->ifs[0]); | |
2514 | ide_reset(&bus->ifs[1]); | |
2515 | ide_clear_hob(bus); | |
40a6238a AG |
2516 | |
2517 | /* pending async DMA */ | |
2518 | if (bus->dma->aiocb) { | |
2519 | #ifdef DEBUG_AIO | |
2520 | printf("aio_cancel\n"); | |
2521 | #endif | |
2522 | bdrv_aio_cancel(bus->dma->aiocb); | |
2523 | bus->dma->aiocb = NULL; | |
2524 | } | |
2525 | ||
2526 | /* reset dma provider too */ | |
2527 | bus->dma->ops->reset(bus->dma); | |
4a643563 BS |
2528 | } |
2529 | ||
c4d74df7 MA |
2530 | int ide_init_drive(IDEState *s, BlockDriverState *bs, |
2531 | const char *version, const char *serial) | |
88804180 GH |
2532 | { |
2533 | int cylinders, heads, secs; | |
2534 | uint64_t nb_sectors; | |
2535 | ||
f8b6cc00 MA |
2536 | s->bs = bs; |
2537 | bdrv_get_geometry(bs, &nb_sectors); | |
2538 | bdrv_guess_geometry(bs, &cylinders, &heads, &secs); | |
dce9e928 MA |
2539 | if (cylinders < 1 || cylinders > 16383) { |
2540 | error_report("cyls must be between 1 and 16383"); | |
2541 | return -1; | |
2542 | } | |
2543 | if (heads < 1 || heads > 16) { | |
2544 | error_report("heads must be between 1 and 16"); | |
2545 | return -1; | |
2546 | } | |
2547 | if (secs < 1 || secs > 63) { | |
2548 | error_report("secs must be between 1 and 63"); | |
2549 | return -1; | |
2550 | } | |
870111c8 MA |
2551 | s->cylinders = cylinders; |
2552 | s->heads = heads; | |
2553 | s->sectors = secs; | |
2554 | s->nb_sectors = nb_sectors; | |
2555 | /* The SMART values should be preserved across power cycles | |
2556 | but they aren't. */ | |
2557 | s->smart_enabled = 1; | |
2558 | s->smart_autosave = 1; | |
2559 | s->smart_errors = 0; | |
2560 | s->smart_selftest_count = 0; | |
f8b6cc00 | 2561 | if (bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM) { |
cd8722bb | 2562 | s->drive_kind = IDE_CD; |
f8b6cc00 | 2563 | bdrv_set_change_cb(bs, cdrom_change_cb, s); |
1b2adf28 | 2564 | bs->buffer_alignment = 2048; |
7aa9c811 | 2565 | } else { |
98f28ad7 MA |
2566 | if (!bdrv_is_inserted(s->bs)) { |
2567 | error_report("Device needs media, but drive is empty"); | |
2568 | return -1; | |
2569 | } | |
7aa9c811 MA |
2570 | if (bdrv_is_read_only(bs)) { |
2571 | error_report("Can't use a read-only drive"); | |
2572 | return -1; | |
2573 | } | |
88804180 | 2574 | } |
f8b6cc00 | 2575 | if (serial) { |
6ced55a5 MA |
2576 | strncpy(s->drive_serial_str, serial, sizeof(s->drive_serial_str)); |
2577 | } else { | |
88804180 GH |
2578 | snprintf(s->drive_serial_str, sizeof(s->drive_serial_str), |
2579 | "QM%05d", s->drive_serial); | |
870111c8 | 2580 | } |
47c06340 GH |
2581 | if (version) { |
2582 | pstrcpy(s->version, sizeof(s->version), version); | |
2583 | } else { | |
2584 | pstrcpy(s->version, sizeof(s->version), QEMU_VERSION); | |
2585 | } | |
40a6238a | 2586 | |
88804180 | 2587 | ide_reset(s); |
cd8722bb | 2588 | bdrv_set_removable(bs, s->drive_kind == IDE_CD); |
c4d74df7 | 2589 | return 0; |
88804180 GH |
2590 | } |
2591 | ||
57234ee4 | 2592 | static void ide_init1(IDEBus *bus, int unit) |
d459da0e MA |
2593 | { |
2594 | static int drive_serial = 1; | |
2595 | IDEState *s = &bus->ifs[unit]; | |
2596 | ||
2597 | s->bus = bus; | |
2598 | s->unit = unit; | |
2599 | s->drive_serial = drive_serial++; | |
1b2adf28 CH |
2600 | /* we need at least 2k alignment for accessing CDROMs using O_DIRECT */ |
2601 | s->io_buffer = qemu_memalign(2048, IDE_DMA_BUF_SECTORS*512 + 4); | |
50641c5c | 2602 | s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4; |
d459da0e MA |
2603 | s->smart_selftest_data = qemu_blockalign(s->bs, 512); |
2604 | s->sector_write_timer = qemu_new_timer(vm_clock, | |
2605 | ide_sector_write_timer_cb, s); | |
57234ee4 MA |
2606 | } |
2607 | ||
40a6238a AG |
2608 | static void ide_nop_start(IDEDMA *dma, IDEState *s, |
2609 | BlockDriverCompletionFunc *cb) | |
2610 | { | |
2611 | } | |
2612 | ||
2613 | static int ide_nop(IDEDMA *dma) | |
2614 | { | |
2615 | return 0; | |
2616 | } | |
2617 | ||
2618 | static int ide_nop_int(IDEDMA *dma, int x) | |
2619 | { | |
2620 | return 0; | |
2621 | } | |
2622 | ||
2623 | static void ide_nop_restart(void *opaque, int x, int y) | |
2624 | { | |
2625 | } | |
2626 | ||
2627 | static const IDEDMAOps ide_dma_nop_ops = { | |
2628 | .start_dma = ide_nop_start, | |
2629 | .start_transfer = ide_nop, | |
2630 | .prepare_buf = ide_nop_int, | |
2631 | .rw_buf = ide_nop_int, | |
2632 | .set_unit = ide_nop_int, | |
2633 | .add_status = ide_nop_int, | |
2634 | .set_inactive = ide_nop, | |
2635 | .restart_cb = ide_nop_restart, | |
2636 | .reset = ide_nop, | |
2637 | }; | |
2638 | ||
2639 | static IDEDMA ide_dma_nop = { | |
2640 | .ops = &ide_dma_nop_ops, | |
2641 | .aiocb = NULL, | |
2642 | }; | |
2643 | ||
57234ee4 MA |
2644 | void ide_init2(IDEBus *bus, qemu_irq irq) |
2645 | { | |
2646 | int i; | |
2647 | ||
2648 | for(i = 0; i < 2; i++) { | |
2649 | ide_init1(bus, i); | |
2650 | ide_reset(&bus->ifs[i]); | |
870111c8 | 2651 | } |
57234ee4 | 2652 | bus->irq = irq; |
40a6238a | 2653 | bus->dma = &ide_dma_nop; |
d459da0e MA |
2654 | } |
2655 | ||
57234ee4 MA |
2656 | /* TODO convert users to qdev and remove */ |
2657 | void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0, | |
2658 | DriveInfo *hd1, qemu_irq irq) | |
5391d806 | 2659 | { |
88804180 | 2660 | int i; |
57234ee4 | 2661 | DriveInfo *dinfo; |
5391d806 | 2662 | |
caed8802 | 2663 | for(i = 0; i < 2; i++) { |
57234ee4 MA |
2664 | dinfo = i == 0 ? hd0 : hd1; |
2665 | ide_init1(bus, i); | |
2666 | if (dinfo) { | |
c4d74df7 MA |
2667 | if (ide_init_drive(&bus->ifs[i], dinfo->bdrv, NULL, |
2668 | *dinfo->serial ? dinfo->serial : NULL) < 0) { | |
2669 | error_report("Can't set up IDE drive %s", dinfo->id); | |
2670 | exit(1); | |
2671 | } | |
57234ee4 MA |
2672 | } else { |
2673 | ide_reset(&bus->ifs[i]); | |
2674 | } | |
5391d806 | 2675 | } |
9cdd03a7 | 2676 | bus->irq = irq; |
40a6238a | 2677 | bus->dma = &ide_dma_nop; |
69b91039 FB |
2678 | } |
2679 | ||
356721ae | 2680 | void ide_init_ioport(IDEBus *bus, int iobase, int iobase2) |
69b91039 | 2681 | { |
bcbdc4d3 GH |
2682 | register_ioport_write(iobase, 8, 1, ide_ioport_write, bus); |
2683 | register_ioport_read(iobase, 8, 1, ide_ioport_read, bus); | |
caed8802 | 2684 | if (iobase2) { |
bcbdc4d3 GH |
2685 | register_ioport_read(iobase2, 1, 1, ide_status_read, bus); |
2686 | register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus); | |
5391d806 | 2687 | } |
3b46e624 | 2688 | |
caed8802 | 2689 | /* data ports */ |
bcbdc4d3 GH |
2690 | register_ioport_write(iobase, 2, 2, ide_data_writew, bus); |
2691 | register_ioport_read(iobase, 2, 2, ide_data_readw, bus); | |
2692 | register_ioport_write(iobase, 4, 4, ide_data_writel, bus); | |
2693 | register_ioport_read(iobase, 4, 4, ide_data_readl, bus); | |
5391d806 | 2694 | } |
69b91039 | 2695 | |
37159f13 | 2696 | static bool is_identify_set(void *opaque, int version_id) |
aa941b94 | 2697 | { |
37159f13 JQ |
2698 | IDEState *s = opaque; |
2699 | ||
2700 | return s->identify_set != 0; | |
2701 | } | |
2702 | ||
50641c5c JQ |
2703 | static EndTransferFunc* transfer_end_table[] = { |
2704 | ide_sector_read, | |
2705 | ide_sector_write, | |
2706 | ide_transfer_stop, | |
2707 | ide_atapi_cmd_reply_end, | |
2708 | ide_atapi_cmd, | |
2709 | ide_dummy_transfer_stop, | |
2710 | }; | |
2711 | ||
2712 | static int transfer_end_table_idx(EndTransferFunc *fn) | |
2713 | { | |
2714 | int i; | |
2715 | ||
2716 | for (i = 0; i < ARRAY_SIZE(transfer_end_table); i++) | |
2717 | if (transfer_end_table[i] == fn) | |
2718 | return i; | |
2719 | ||
2720 | return -1; | |
2721 | } | |
2722 | ||
37159f13 | 2723 | static int ide_drive_post_load(void *opaque, int version_id) |
aa941b94 | 2724 | { |
37159f13 JQ |
2725 | IDEState *s = opaque; |
2726 | ||
2727 | if (version_id < 3) { | |
93c8cfd9 | 2728 | if (s->sense_key == SENSE_UNIT_ATTENTION && |
37159f13 | 2729 | s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) { |
93c8cfd9 | 2730 | s->cdrom_changed = 1; |
37159f13 | 2731 | } |
93c8cfd9 | 2732 | } |
37159f13 | 2733 | return 0; |
aa941b94 AZ |
2734 | } |
2735 | ||
50641c5c JQ |
2736 | static int ide_drive_pio_post_load(void *opaque, int version_id) |
2737 | { | |
2738 | IDEState *s = opaque; | |
2739 | ||
7bccf573 | 2740 | if (s->end_transfer_fn_idx > ARRAY_SIZE(transfer_end_table)) { |
50641c5c JQ |
2741 | return -EINVAL; |
2742 | } | |
2743 | s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx]; | |
2744 | s->data_ptr = s->io_buffer + s->cur_io_buffer_offset; | |
2745 | s->data_end = s->data_ptr + s->cur_io_buffer_len; | |
2746 | ||
2747 | return 0; | |
2748 | } | |
2749 | ||
2750 | static void ide_drive_pio_pre_save(void *opaque) | |
2751 | { | |
2752 | IDEState *s = opaque; | |
2753 | int idx; | |
2754 | ||
2755 | s->cur_io_buffer_offset = s->data_ptr - s->io_buffer; | |
2756 | s->cur_io_buffer_len = s->data_end - s->data_ptr; | |
2757 | ||
2758 | idx = transfer_end_table_idx(s->end_transfer_func); | |
2759 | if (idx == -1) { | |
2760 | fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n", | |
2761 | __func__); | |
2762 | s->end_transfer_fn_idx = 2; | |
2763 | } else { | |
2764 | s->end_transfer_fn_idx = idx; | |
2765 | } | |
2766 | } | |
2767 | ||
2768 | static bool ide_drive_pio_state_needed(void *opaque) | |
2769 | { | |
2770 | IDEState *s = opaque; | |
2771 | ||
2772 | return (s->status & DRQ_STAT) != 0; | |
2773 | } | |
2774 | ||
2775 | const VMStateDescription vmstate_ide_drive_pio_state = { | |
2776 | .name = "ide_drive/pio_state", | |
2777 | .version_id = 1, | |
2778 | .minimum_version_id = 1, | |
2779 | .minimum_version_id_old = 1, | |
2780 | .pre_save = ide_drive_pio_pre_save, | |
2781 | .post_load = ide_drive_pio_post_load, | |
2782 | .fields = (VMStateField []) { | |
2783 | VMSTATE_INT32(req_nb_sectors, IDEState), | |
2784 | VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1, | |
2785 | vmstate_info_uint8, uint8_t), | |
2786 | VMSTATE_INT32(cur_io_buffer_offset, IDEState), | |
2787 | VMSTATE_INT32(cur_io_buffer_len, IDEState), | |
2788 | VMSTATE_UINT8(end_transfer_fn_idx, IDEState), | |
2789 | VMSTATE_INT32(elementary_transfer_size, IDEState), | |
2790 | VMSTATE_INT32(packet_transfer_size, IDEState), | |
2791 | VMSTATE_END_OF_LIST() | |
2792 | } | |
2793 | }; | |
2794 | ||
37159f13 JQ |
2795 | const VMStateDescription vmstate_ide_drive = { |
2796 | .name = "ide_drive", | |
3abb6260 | 2797 | .version_id = 3, |
37159f13 JQ |
2798 | .minimum_version_id = 0, |
2799 | .minimum_version_id_old = 0, | |
2800 | .post_load = ide_drive_post_load, | |
2801 | .fields = (VMStateField []) { | |
2802 | VMSTATE_INT32(mult_sectors, IDEState), | |
2803 | VMSTATE_INT32(identify_set, IDEState), | |
2804 | VMSTATE_BUFFER_TEST(identify_data, IDEState, is_identify_set), | |
2805 | VMSTATE_UINT8(feature, IDEState), | |
2806 | VMSTATE_UINT8(error, IDEState), | |
2807 | VMSTATE_UINT32(nsector, IDEState), | |
2808 | VMSTATE_UINT8(sector, IDEState), | |
2809 | VMSTATE_UINT8(lcyl, IDEState), | |
2810 | VMSTATE_UINT8(hcyl, IDEState), | |
2811 | VMSTATE_UINT8(hob_feature, IDEState), | |
2812 | VMSTATE_UINT8(hob_sector, IDEState), | |
2813 | VMSTATE_UINT8(hob_nsector, IDEState), | |
2814 | VMSTATE_UINT8(hob_lcyl, IDEState), | |
2815 | VMSTATE_UINT8(hob_hcyl, IDEState), | |
2816 | VMSTATE_UINT8(select, IDEState), | |
2817 | VMSTATE_UINT8(status, IDEState), | |
2818 | VMSTATE_UINT8(lba48, IDEState), | |
2819 | VMSTATE_UINT8(sense_key, IDEState), | |
2820 | VMSTATE_UINT8(asc, IDEState), | |
2821 | VMSTATE_UINT8_V(cdrom_changed, IDEState, 3), | |
37159f13 | 2822 | VMSTATE_END_OF_LIST() |
50641c5c JQ |
2823 | }, |
2824 | .subsections = (VMStateSubsection []) { | |
2825 | { | |
2826 | .vmsd = &vmstate_ide_drive_pio_state, | |
2827 | .needed = ide_drive_pio_state_needed, | |
2828 | }, { | |
2829 | /* empty */ | |
2830 | } | |
37159f13 JQ |
2831 | } |
2832 | }; | |
2833 | ||
6521dc62 JQ |
2834 | const VMStateDescription vmstate_ide_bus = { |
2835 | .name = "ide_bus", | |
2836 | .version_id = 1, | |
2837 | .minimum_version_id = 1, | |
2838 | .minimum_version_id_old = 1, | |
2839 | .fields = (VMStateField []) { | |
2840 | VMSTATE_UINT8(cmd, IDEBus), | |
2841 | VMSTATE_UINT8(unit, IDEBus), | |
2842 | VMSTATE_END_OF_LIST() | |
2843 | } | |
2844 | }; |