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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> | |
28 | #include <hw/scsi-disk.h> | |
29 | #include <hw/sh.h> | |
87ecb68b | 30 | #include "block.h" |
b0a7b120 | 31 | #include "block_int.h" |
87ecb68b PB |
32 | #include "qemu-timer.h" |
33 | #include "sysemu.h" | |
1fb8648d | 34 | #include "dma.h" |
59f2a787 GH |
35 | |
36 | #include <hw/ide/internal.h> | |
e8b54394 BW |
37 | |
38 | static int smart_attributes[][5] = { | |
39 | /* id, flags, val, wrst, thrsh */ | |
40 | { 0x01, 0x03, 0x64, 0x64, 0x06}, /* raw read */ | |
41 | { 0x03, 0x03, 0x64, 0x64, 0x46}, /* spin up */ | |
42 | { 0x04, 0x02, 0x64, 0x64, 0x14}, /* start stop count */ | |
43 | { 0x05, 0x03, 0x64, 0x64, 0x36}, /* remapped sectors */ | |
44 | { 0x00, 0x00, 0x00, 0x00, 0x00} | |
45 | }; | |
46 | ||
8114e9e8 TS |
47 | /* XXX: DVDs that could fit on a CD will be reported as a CD */ |
48 | static inline int media_present(IDEState *s) | |
49 | { | |
50 | return (s->nb_sectors > 0); | |
51 | } | |
52 | ||
53 | static inline int media_is_dvd(IDEState *s) | |
54 | { | |
55 | return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS); | |
56 | } | |
57 | ||
58 | static inline int media_is_cd(IDEState *s) | |
59 | { | |
60 | return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS); | |
61 | } | |
62 | ||
8ccad811 | 63 | static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb); |
428c5705 | 64 | static void ide_dma_restart(IDEState *s); |
5f12ab4b | 65 | static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); |
98087450 | 66 | |
5391d806 FB |
67 | static void padstr(char *str, const char *src, int len) |
68 | { | |
69 | int i, v; | |
70 | for(i = 0; i < len; i++) { | |
71 | if (*src) | |
72 | v = *src++; | |
73 | else | |
74 | v = ' '; | |
69b34976 | 75 | str[i^1] = v; |
5391d806 FB |
76 | } |
77 | } | |
78 | ||
bd0d90b2 FB |
79 | static void padstr8(uint8_t *buf, int buf_size, const char *src) |
80 | { | |
81 | int i; | |
82 | for(i = 0; i < buf_size; i++) { | |
83 | if (*src) | |
84 | buf[i] = *src++; | |
85 | else | |
86 | buf[i] = ' '; | |
87 | } | |
88 | } | |
89 | ||
67b915a5 FB |
90 | static void put_le16(uint16_t *p, unsigned int v) |
91 | { | |
0c4ad8dc | 92 | *p = cpu_to_le16(v); |
67b915a5 FB |
93 | } |
94 | ||
5391d806 FB |
95 | static void ide_identify(IDEState *s) |
96 | { | |
97 | uint16_t *p; | |
98 | unsigned int oldsize; | |
99 | ||
94458802 FB |
100 | if (s->identify_set) { |
101 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
102 | return; | |
103 | } | |
104 | ||
5391d806 FB |
105 | memset(s->io_buffer, 0, 512); |
106 | p = (uint16_t *)s->io_buffer; | |
67b915a5 | 107 | put_le16(p + 0, 0x0040); |
5fafdf24 | 108 | put_le16(p + 1, s->cylinders); |
67b915a5 FB |
109 | put_le16(p + 3, s->heads); |
110 | put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ | |
111 | put_le16(p + 5, 512); /* XXX: retired, remove ? */ | |
5fafdf24 | 112 | put_le16(p + 6, s->sectors); |
fa879c64 | 113 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
67b915a5 FB |
114 | put_le16(p + 20, 3); /* XXX: retired, remove ? */ |
115 | put_le16(p + 21, 512); /* cache size in sectors */ | |
116 | put_le16(p + 22, 4); /* ecc bytes */ | |
60fe76f3 TS |
117 | padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
118 | padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */ | |
3b46e624 | 119 | #if MAX_MULT_SECTORS > 1 |
67b915a5 | 120 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
5391d806 | 121 | #endif |
67b915a5 | 122 | put_le16(p + 48, 1); /* dword I/O */ |
94458802 | 123 | put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ |
67b915a5 FB |
124 | put_le16(p + 51, 0x200); /* PIO transfer cycle */ |
125 | put_le16(p + 52, 0x200); /* DMA transfer cycle */ | |
94458802 | 126 | put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ |
67b915a5 FB |
127 | put_le16(p + 54, s->cylinders); |
128 | put_le16(p + 55, s->heads); | |
129 | put_le16(p + 56, s->sectors); | |
5391d806 | 130 | oldsize = s->cylinders * s->heads * s->sectors; |
67b915a5 FB |
131 | put_le16(p + 57, oldsize); |
132 | put_le16(p + 58, oldsize >> 16); | |
5391d806 | 133 | if (s->mult_sectors) |
67b915a5 FB |
134 | put_le16(p + 59, 0x100 | s->mult_sectors); |
135 | put_le16(p + 60, s->nb_sectors); | |
136 | put_le16(p + 61, s->nb_sectors >> 16); | |
d1b5c20d | 137 | put_le16(p + 62, 0x07); /* single word dma0-2 supported */ |
94458802 FB |
138 | put_le16(p + 63, 0x07); /* mdma0-2 supported */ |
139 | put_le16(p + 65, 120); | |
140 | put_le16(p + 66, 120); | |
141 | put_le16(p + 67, 120); | |
142 | put_le16(p + 68, 120); | |
143 | put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ | |
144 | put_le16(p + 81, 0x16); /* conforms to ata5 */ | |
e8b54394 BW |
145 | /* 14=NOP supported, 0=SMART supported */ |
146 | put_le16(p + 82, (1 << 14) | 1); | |
c2ff060f FB |
147 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ |
148 | put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); | |
e8b54394 BW |
149 | /* 14=set to 1, 1=SMART self test, 0=SMART error logging */ |
150 | put_le16(p + 84, (1 << 14) | 0); | |
151 | /* 14 = NOP supported, 0=SMART feature set enabled */ | |
152 | put_le16(p + 85, (1 << 14) | 1); | |
c2ff060f FB |
153 | /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ |
154 | put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); | |
e8b54394 BW |
155 | /* 14=set to 1, 1=smart self test, 0=smart error logging */ |
156 | put_le16(p + 87, (1 << 14) | 0); | |
94458802 FB |
157 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
158 | put_le16(p + 93, 1 | (1 << 14) | 0x2000); | |
c2ff060f FB |
159 | put_le16(p + 100, s->nb_sectors); |
160 | put_le16(p + 101, s->nb_sectors >> 16); | |
161 | put_le16(p + 102, s->nb_sectors >> 32); | |
162 | put_le16(p + 103, s->nb_sectors >> 48); | |
94458802 FB |
163 | |
164 | memcpy(s->identify_data, p, sizeof(s->identify_data)); | |
165 | s->identify_set = 1; | |
5391d806 FB |
166 | } |
167 | ||
168 | static void ide_atapi_identify(IDEState *s) | |
169 | { | |
170 | uint16_t *p; | |
171 | ||
94458802 FB |
172 | if (s->identify_set) { |
173 | memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); | |
174 | return; | |
175 | } | |
176 | ||
5391d806 FB |
177 | memset(s->io_buffer, 0, 512); |
178 | p = (uint16_t *)s->io_buffer; | |
179 | /* Removable CDROM, 50us response, 12 byte packets */ | |
67b915a5 | 180 | put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); |
fa879c64 | 181 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
67b915a5 FB |
182 | put_le16(p + 20, 3); /* buffer type */ |
183 | put_le16(p + 21, 512); /* cache size in sectors */ | |
184 | put_le16(p + 22, 4); /* ecc bytes */ | |
60fe76f3 | 185 | padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
38cdea7c | 186 | padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ |
67b915a5 | 187 | put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
8ccad811 FB |
188 | #ifdef USE_DMA_CDROM |
189 | put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ | |
190 | put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ | |
d1b5c20d | 191 | put_le16(p + 62, 7); /* single word dma0-2 supported */ |
8ccad811 FB |
192 | put_le16(p + 63, 7); /* mdma0-2 supported */ |
193 | put_le16(p + 64, 0x3f); /* PIO modes supported */ | |
194 | #else | |
67b915a5 FB |
195 | put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ |
196 | put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ | |
197 | put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ | |
198 | put_le16(p + 64, 1); /* PIO modes */ | |
8ccad811 | 199 | #endif |
67b915a5 FB |
200 | put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ |
201 | put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ | |
202 | put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ | |
203 | put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ | |
94458802 | 204 | |
67b915a5 FB |
205 | put_le16(p + 71, 30); /* in ns */ |
206 | put_le16(p + 72, 30); /* in ns */ | |
5391d806 | 207 | |
67b915a5 | 208 | put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ |
8ccad811 FB |
209 | #ifdef USE_DMA_CDROM |
210 | put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ | |
211 | #endif | |
94458802 FB |
212 | memcpy(s->identify_data, p, sizeof(s->identify_data)); |
213 | s->identify_set = 1; | |
5391d806 FB |
214 | } |
215 | ||
201a51fc AZ |
216 | static void ide_cfata_identify(IDEState *s) |
217 | { | |
218 | uint16_t *p; | |
219 | uint32_t cur_sec; | |
201a51fc AZ |
220 | |
221 | p = (uint16_t *) s->identify_data; | |
222 | if (s->identify_set) | |
223 | goto fill_buffer; | |
224 | ||
225 | memset(p, 0, sizeof(s->identify_data)); | |
226 | ||
227 | cur_sec = s->cylinders * s->heads * s->sectors; | |
228 | ||
229 | put_le16(p + 0, 0x848a); /* CF Storage Card signature */ | |
230 | put_le16(p + 1, s->cylinders); /* Default cylinders */ | |
231 | put_le16(p + 3, s->heads); /* Default heads */ | |
232 | put_le16(p + 6, s->sectors); /* Default sectors per track */ | |
233 | put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ | |
234 | put_le16(p + 8, s->nb_sectors); /* Sectors per card */ | |
fa879c64 | 235 | padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
201a51fc | 236 | put_le16(p + 22, 0x0004); /* ECC bytes */ |
60fe76f3 TS |
237 | padstr((char *) (p + 23), QEMU_VERSION, 8); /* Firmware Revision */ |
238 | padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */ | |
201a51fc AZ |
239 | #if MAX_MULT_SECTORS > 1 |
240 | put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); | |
241 | #else | |
242 | put_le16(p + 47, 0x0000); | |
243 | #endif | |
244 | put_le16(p + 49, 0x0f00); /* Capabilities */ | |
245 | put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ | |
246 | put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ | |
247 | put_le16(p + 53, 0x0003); /* Translation params valid */ | |
248 | put_le16(p + 54, s->cylinders); /* Current cylinders */ | |
249 | put_le16(p + 55, s->heads); /* Current heads */ | |
250 | put_le16(p + 56, s->sectors); /* Current sectors */ | |
251 | put_le16(p + 57, cur_sec); /* Current capacity */ | |
252 | put_le16(p + 58, cur_sec >> 16); /* Current capacity */ | |
253 | if (s->mult_sectors) /* Multiple sector setting */ | |
254 | put_le16(p + 59, 0x100 | s->mult_sectors); | |
255 | put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ | |
256 | put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ | |
257 | put_le16(p + 63, 0x0203); /* Multiword DMA capability */ | |
258 | put_le16(p + 64, 0x0001); /* Flow Control PIO support */ | |
259 | put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ | |
260 | put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ | |
261 | put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ | |
262 | put_le16(p + 82, 0x400c); /* Command Set supported */ | |
263 | put_le16(p + 83, 0x7068); /* Command Set supported */ | |
264 | put_le16(p + 84, 0x4000); /* Features supported */ | |
265 | put_le16(p + 85, 0x000c); /* Command Set enabled */ | |
266 | put_le16(p + 86, 0x7044); /* Command Set enabled */ | |
267 | put_le16(p + 87, 0x4000); /* Features enabled */ | |
268 | put_le16(p + 91, 0x4060); /* Current APM level */ | |
269 | put_le16(p + 129, 0x0002); /* Current features option */ | |
270 | put_le16(p + 130, 0x0005); /* Reassigned sectors */ | |
271 | put_le16(p + 131, 0x0001); /* Initial power mode */ | |
272 | put_le16(p + 132, 0x0000); /* User signature */ | |
273 | put_le16(p + 160, 0x8100); /* Power requirement */ | |
274 | put_le16(p + 161, 0x8001); /* CF command set */ | |
275 | ||
276 | s->identify_set = 1; | |
277 | ||
278 | fill_buffer: | |
279 | memcpy(s->io_buffer, p, sizeof(s->identify_data)); | |
280 | } | |
281 | ||
5391d806 FB |
282 | static void ide_set_signature(IDEState *s) |
283 | { | |
284 | s->select &= 0xf0; /* clear head */ | |
285 | /* put signature */ | |
286 | s->nsector = 1; | |
287 | s->sector = 1; | |
288 | if (s->is_cdrom) { | |
289 | s->lcyl = 0x14; | |
290 | s->hcyl = 0xeb; | |
291 | } else if (s->bs) { | |
292 | s->lcyl = 0; | |
293 | s->hcyl = 0; | |
294 | } else { | |
295 | s->lcyl = 0xff; | |
296 | s->hcyl = 0xff; | |
297 | } | |
298 | } | |
299 | ||
300 | static inline void ide_abort_command(IDEState *s) | |
301 | { | |
302 | s->status = READY_STAT | ERR_STAT; | |
303 | s->error = ABRT_ERR; | |
304 | } | |
305 | ||
5604e090 AZ |
306 | static inline void ide_dma_submit_check(IDEState *s, |
307 | BlockDriverCompletionFunc *dma_cb, BMDMAState *bm) | |
308 | { | |
309 | if (bm->aiocb) | |
310 | return; | |
311 | dma_cb(bm, -1); | |
312 | } | |
313 | ||
5391d806 | 314 | /* prepare data transfer and tell what to do after */ |
5fafdf24 | 315 | static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
5391d806 FB |
316 | EndTransferFunc *end_transfer_func) |
317 | { | |
318 | s->end_transfer_func = end_transfer_func; | |
319 | s->data_ptr = buf; | |
320 | s->data_end = buf + size; | |
7603d156 TS |
321 | if (!(s->status & ERR_STAT)) |
322 | s->status |= DRQ_STAT; | |
5391d806 FB |
323 | } |
324 | ||
325 | static void ide_transfer_stop(IDEState *s) | |
326 | { | |
327 | s->end_transfer_func = ide_transfer_stop; | |
328 | s->data_ptr = s->io_buffer; | |
329 | s->data_end = s->io_buffer; | |
330 | s->status &= ~DRQ_STAT; | |
331 | } | |
332 | ||
356721ae | 333 | int64_t ide_get_sector(IDEState *s) |
5391d806 FB |
334 | { |
335 | int64_t sector_num; | |
336 | if (s->select & 0x40) { | |
337 | /* lba */ | |
c2ff060f FB |
338 | if (!s->lba48) { |
339 | sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | | |
340 | (s->lcyl << 8) | s->sector; | |
341 | } else { | |
342 | sector_num = ((int64_t)s->hob_hcyl << 40) | | |
343 | ((int64_t) s->hob_lcyl << 32) | | |
344 | ((int64_t) s->hob_sector << 24) | | |
345 | ((int64_t) s->hcyl << 16) | | |
346 | ((int64_t) s->lcyl << 8) | s->sector; | |
347 | } | |
5391d806 FB |
348 | } else { |
349 | sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + | |
c2ff060f | 350 | (s->select & 0x0f) * s->sectors + (s->sector - 1); |
5391d806 FB |
351 | } |
352 | return sector_num; | |
353 | } | |
354 | ||
356721ae | 355 | void ide_set_sector(IDEState *s, int64_t sector_num) |
5391d806 FB |
356 | { |
357 | unsigned int cyl, r; | |
358 | if (s->select & 0x40) { | |
c2ff060f FB |
359 | if (!s->lba48) { |
360 | s->select = (s->select & 0xf0) | (sector_num >> 24); | |
361 | s->hcyl = (sector_num >> 16); | |
362 | s->lcyl = (sector_num >> 8); | |
363 | s->sector = (sector_num); | |
364 | } else { | |
365 | s->sector = sector_num; | |
366 | s->lcyl = sector_num >> 8; | |
367 | s->hcyl = sector_num >> 16; | |
368 | s->hob_sector = sector_num >> 24; | |
369 | s->hob_lcyl = sector_num >> 32; | |
370 | s->hob_hcyl = sector_num >> 40; | |
371 | } | |
5391d806 FB |
372 | } else { |
373 | cyl = sector_num / (s->heads * s->sectors); | |
374 | r = sector_num % (s->heads * s->sectors); | |
375 | s->hcyl = cyl >> 8; | |
376 | s->lcyl = cyl; | |
1b8eb456 | 377 | s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); |
5391d806 FB |
378 | s->sector = (r % s->sectors) + 1; |
379 | } | |
380 | } | |
381 | ||
e162cfb0 AZ |
382 | static void ide_rw_error(IDEState *s) { |
383 | ide_abort_command(s); | |
9cdd03a7 | 384 | ide_set_irq(s->bus); |
e162cfb0 AZ |
385 | } |
386 | ||
5391d806 FB |
387 | static void ide_sector_read(IDEState *s) |
388 | { | |
389 | int64_t sector_num; | |
390 | int ret, n; | |
391 | ||
392 | s->status = READY_STAT | SEEK_STAT; | |
a136e5a8 | 393 | s->error = 0; /* not needed by IDE spec, but needed by Windows */ |
5391d806 FB |
394 | sector_num = ide_get_sector(s); |
395 | n = s->nsector; | |
396 | if (n == 0) { | |
397 | /* no more sector to read from disk */ | |
398 | ide_transfer_stop(s); | |
399 | } else { | |
400 | #if defined(DEBUG_IDE) | |
18c5f8ea | 401 | printf("read sector=%" PRId64 "\n", sector_num); |
5391d806 FB |
402 | #endif |
403 | if (n > s->req_nb_sectors) | |
404 | n = s->req_nb_sectors; | |
405 | ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); | |
e162cfb0 AZ |
406 | if (ret != 0) { |
407 | ide_rw_error(s); | |
408 | return; | |
409 | } | |
5391d806 | 410 | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read); |
9cdd03a7 | 411 | ide_set_irq(s->bus); |
5391d806 FB |
412 | ide_set_sector(s, sector_num + n); |
413 | s->nsector -= n; | |
414 | } | |
415 | } | |
416 | ||
7aea4412 AL |
417 | |
418 | /* return 0 if buffer completed */ | |
419 | static int dma_buf_prepare(BMDMAState *bm, int is_write) | |
420 | { | |
bcbdc4d3 | 421 | IDEState *s = bmdma_active_if(bm); |
7aea4412 AL |
422 | struct { |
423 | uint32_t addr; | |
424 | uint32_t size; | |
425 | } prd; | |
426 | int l, len; | |
7aea4412 | 427 | |
1fb8648d | 428 | qemu_sglist_init(&s->sg, s->nsector / (TARGET_PAGE_SIZE/512) + 1); |
7aea4412 AL |
429 | s->io_buffer_size = 0; |
430 | for(;;) { | |
431 | if (bm->cur_prd_len == 0) { | |
432 | /* end of table (with a fail safe of one page) */ | |
433 | if (bm->cur_prd_last || | |
434 | (bm->cur_addr - bm->addr) >= 4096) | |
435 | return s->io_buffer_size != 0; | |
436 | cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); | |
437 | bm->cur_addr += 8; | |
438 | prd.addr = le32_to_cpu(prd.addr); | |
439 | prd.size = le32_to_cpu(prd.size); | |
440 | len = prd.size & 0xfffe; | |
441 | if (len == 0) | |
442 | len = 0x10000; | |
443 | bm->cur_prd_len = len; | |
444 | bm->cur_prd_addr = prd.addr; | |
445 | bm->cur_prd_last = (prd.size & 0x80000000); | |
446 | } | |
447 | l = bm->cur_prd_len; | |
448 | if (l > 0) { | |
1fb8648d AL |
449 | qemu_sglist_add(&s->sg, bm->cur_prd_addr, l); |
450 | bm->cur_prd_addr += l; | |
451 | bm->cur_prd_len -= l; | |
452 | s->io_buffer_size += l; | |
7aea4412 AL |
453 | } |
454 | } | |
455 | return 1; | |
456 | } | |
457 | ||
458 | static void dma_buf_commit(IDEState *s, int is_write) | |
459 | { | |
1fb8648d | 460 | qemu_sglist_destroy(&s->sg); |
7aea4412 AL |
461 | } |
462 | ||
356721ae | 463 | void ide_dma_error(IDEState *s) |
e162cfb0 AZ |
464 | { |
465 | ide_transfer_stop(s); | |
466 | s->error = ABRT_ERR; | |
467 | s->status = READY_STAT | ERR_STAT; | |
9cdd03a7 | 468 | ide_set_irq(s->bus); |
e162cfb0 AZ |
469 | } |
470 | ||
428c5705 AL |
471 | static int ide_handle_write_error(IDEState *s, int error, int op) |
472 | { | |
473 | BlockInterfaceErrorAction action = drive_get_onerror(s->bs); | |
474 | ||
475 | if (action == BLOCK_ERR_IGNORE) | |
476 | return 0; | |
477 | ||
478 | if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) | |
479 | || action == BLOCK_ERR_STOP_ANY) { | |
bcbdc4d3 GH |
480 | s->bus->bmdma->unit = s->unit; |
481 | s->bus->bmdma->status |= op; | |
428c5705 AL |
482 | vm_stop(0); |
483 | } else { | |
7aea4412 AL |
484 | if (op == BM_STATUS_DMA_RETRY) { |
485 | dma_buf_commit(s, 0); | |
428c5705 | 486 | ide_dma_error(s); |
7aea4412 | 487 | } else { |
428c5705 | 488 | ide_rw_error(s); |
7aea4412 | 489 | } |
428c5705 AL |
490 | } |
491 | ||
492 | return 1; | |
493 | } | |
494 | ||
8ccad811 FB |
495 | /* return 0 if buffer completed */ |
496 | static int dma_buf_rw(BMDMAState *bm, int is_write) | |
98087450 | 497 | { |
bcbdc4d3 | 498 | IDEState *s = bmdma_active_if(bm); |
8ccad811 FB |
499 | struct { |
500 | uint32_t addr; | |
501 | uint32_t size; | |
502 | } prd; | |
503 | int l, len; | |
98087450 | 504 | |
8ccad811 FB |
505 | for(;;) { |
506 | l = s->io_buffer_size - s->io_buffer_index; | |
5fafdf24 | 507 | if (l <= 0) |
8ccad811 FB |
508 | break; |
509 | if (bm->cur_prd_len == 0) { | |
510 | /* end of table (with a fail safe of one page) */ | |
511 | if (bm->cur_prd_last || | |
512 | (bm->cur_addr - bm->addr) >= 4096) | |
513 | return 0; | |
514 | cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); | |
515 | bm->cur_addr += 8; | |
516 | prd.addr = le32_to_cpu(prd.addr); | |
517 | prd.size = le32_to_cpu(prd.size); | |
518 | len = prd.size & 0xfffe; | |
519 | if (len == 0) | |
520 | len = 0x10000; | |
521 | bm->cur_prd_len = len; | |
522 | bm->cur_prd_addr = prd.addr; | |
523 | bm->cur_prd_last = (prd.size & 0x80000000); | |
524 | } | |
525 | if (l > bm->cur_prd_len) | |
526 | l = bm->cur_prd_len; | |
527 | if (l > 0) { | |
528 | if (is_write) { | |
5fafdf24 | 529 | cpu_physical_memory_write(bm->cur_prd_addr, |
8ccad811 FB |
530 | s->io_buffer + s->io_buffer_index, l); |
531 | } else { | |
5fafdf24 | 532 | cpu_physical_memory_read(bm->cur_prd_addr, |
8ccad811 FB |
533 | s->io_buffer + s->io_buffer_index, l); |
534 | } | |
535 | bm->cur_prd_addr += l; | |
536 | bm->cur_prd_len -= l; | |
537 | s->io_buffer_index += l; | |
98087450 | 538 | } |
98087450 | 539 | } |
8ccad811 FB |
540 | return 1; |
541 | } | |
542 | ||
8ccad811 FB |
543 | static void ide_read_dma_cb(void *opaque, int ret) |
544 | { | |
545 | BMDMAState *bm = opaque; | |
bcbdc4d3 | 546 | IDEState *s = bmdma_active_if(bm); |
8ccad811 FB |
547 | int n; |
548 | int64_t sector_num; | |
549 | ||
e162cfb0 | 550 | if (ret < 0) { |
7aea4412 | 551 | dma_buf_commit(s, 1); |
e162cfb0 AZ |
552 | ide_dma_error(s); |
553 | return; | |
554 | } | |
555 | ||
8ccad811 FB |
556 | n = s->io_buffer_size >> 9; |
557 | sector_num = ide_get_sector(s); | |
558 | if (n > 0) { | |
7aea4412 | 559 | dma_buf_commit(s, 1); |
8ccad811 FB |
560 | sector_num += n; |
561 | ide_set_sector(s, sector_num); | |
562 | s->nsector -= n; | |
8ccad811 FB |
563 | } |
564 | ||
565 | /* end of transfer ? */ | |
566 | if (s->nsector == 0) { | |
98087450 | 567 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 568 | ide_set_irq(s->bus); |
8ccad811 FB |
569 | eot: |
570 | bm->status &= ~BM_STATUS_DMAING; | |
571 | bm->status |= BM_STATUS_INT; | |
572 | bm->dma_cb = NULL; | |
bcbdc4d3 | 573 | bm->unit = -1; |
8ccad811 FB |
574 | bm->aiocb = NULL; |
575 | return; | |
98087450 | 576 | } |
8ccad811 FB |
577 | |
578 | /* launch next transfer */ | |
579 | n = s->nsector; | |
8ccad811 FB |
580 | s->io_buffer_index = 0; |
581 | s->io_buffer_size = n * 512; | |
7aea4412 AL |
582 | if (dma_buf_prepare(bm, 1) == 0) |
583 | goto eot; | |
8ccad811 | 584 | #ifdef DEBUG_AIO |
5df23f53 | 585 | printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
8ccad811 | 586 | #endif |
1fb8648d | 587 | bm->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, bm); |
5604e090 | 588 | ide_dma_submit_check(s, ide_read_dma_cb, bm); |
98087450 FB |
589 | } |
590 | ||
591 | static void ide_sector_read_dma(IDEState *s) | |
592 | { | |
8ccad811 | 593 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
98087450 FB |
594 | s->io_buffer_index = 0; |
595 | s->io_buffer_size = 0; | |
e3007e66 | 596 | s->is_read = 1; |
98087450 FB |
597 | ide_dma_start(s, ide_read_dma_cb); |
598 | } | |
599 | ||
a09db21f FB |
600 | static void ide_sector_write_timer_cb(void *opaque) |
601 | { | |
602 | IDEState *s = opaque; | |
9cdd03a7 | 603 | ide_set_irq(s->bus); |
a09db21f FB |
604 | } |
605 | ||
5391d806 FB |
606 | static void ide_sector_write(IDEState *s) |
607 | { | |
608 | int64_t sector_num; | |
31c2a146 | 609 | int ret, n, n1; |
5391d806 FB |
610 | |
611 | s->status = READY_STAT | SEEK_STAT; | |
612 | sector_num = ide_get_sector(s); | |
613 | #if defined(DEBUG_IDE) | |
18c5f8ea | 614 | printf("write sector=%" PRId64 "\n", sector_num); |
5391d806 FB |
615 | #endif |
616 | n = s->nsector; | |
617 | if (n > s->req_nb_sectors) | |
618 | n = s->req_nb_sectors; | |
31c2a146 | 619 | ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); |
428c5705 | 620 | |
e162cfb0 | 621 | if (ret != 0) { |
428c5705 AL |
622 | if (ide_handle_write_error(s, -ret, BM_STATUS_PIO_RETRY)) |
623 | return; | |
e162cfb0 AZ |
624 | } |
625 | ||
5391d806 FB |
626 | s->nsector -= n; |
627 | if (s->nsector == 0) { | |
292eef5a | 628 | /* no more sectors to write */ |
5391d806 FB |
629 | ide_transfer_stop(s); |
630 | } else { | |
631 | n1 = s->nsector; | |
632 | if (n1 > s->req_nb_sectors) | |
633 | n1 = s->req_nb_sectors; | |
634 | ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write); | |
635 | } | |
636 | ide_set_sector(s, sector_num + n); | |
3b46e624 | 637 | |
31c2a146 TS |
638 | #ifdef TARGET_I386 |
639 | if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { | |
640 | /* It seems there is a bug in the Windows 2000 installer HDD | |
641 | IDE driver which fills the disk with empty logs when the | |
642 | IDE write IRQ comes too early. This hack tries to correct | |
643 | that at the expense of slower write performances. Use this | |
644 | option _only_ to install Windows 2000. You must disable it | |
645 | for normal use. */ | |
646 | qemu_mod_timer(s->sector_write_timer, | |
647 | qemu_get_clock(vm_clock) + (ticks_per_sec / 1000)); | |
648 | } else | |
649 | #endif | |
650 | { | |
9cdd03a7 | 651 | ide_set_irq(s->bus); |
31c2a146 | 652 | } |
5391d806 FB |
653 | } |
654 | ||
213189ab | 655 | static void ide_dma_restart_bh(void *opaque) |
428c5705 AL |
656 | { |
657 | BMDMAState *bm = opaque; | |
213189ab MA |
658 | |
659 | qemu_bh_delete(bm->bh); | |
660 | bm->bh = NULL; | |
661 | ||
428c5705 AL |
662 | if (bm->status & BM_STATUS_DMA_RETRY) { |
663 | bm->status &= ~BM_STATUS_DMA_RETRY; | |
bcbdc4d3 | 664 | ide_dma_restart(bmdma_active_if(bm)); |
428c5705 AL |
665 | } else if (bm->status & BM_STATUS_PIO_RETRY) { |
666 | bm->status &= ~BM_STATUS_PIO_RETRY; | |
bcbdc4d3 | 667 | ide_sector_write(bmdma_active_if(bm)); |
428c5705 AL |
668 | } |
669 | } | |
670 | ||
356721ae | 671 | void ide_dma_restart_cb(void *opaque, int running, int reason) |
213189ab MA |
672 | { |
673 | BMDMAState *bm = opaque; | |
674 | ||
675 | if (!running) | |
676 | return; | |
677 | ||
678 | if (!bm->bh) { | |
679 | bm->bh = qemu_bh_new(ide_dma_restart_bh, bm); | |
680 | qemu_bh_schedule(bm->bh); | |
681 | } | |
682 | } | |
683 | ||
8ccad811 | 684 | static void ide_write_dma_cb(void *opaque, int ret) |
98087450 | 685 | { |
8ccad811 | 686 | BMDMAState *bm = opaque; |
bcbdc4d3 | 687 | IDEState *s = bmdma_active_if(bm); |
8ccad811 | 688 | int n; |
98087450 FB |
689 | int64_t sector_num; |
690 | ||
e162cfb0 | 691 | if (ret < 0) { |
428c5705 AL |
692 | if (ide_handle_write_error(s, -ret, BM_STATUS_DMA_RETRY)) |
693 | return; | |
e162cfb0 AZ |
694 | } |
695 | ||
8ccad811 FB |
696 | n = s->io_buffer_size >> 9; |
697 | sector_num = ide_get_sector(s); | |
698 | if (n > 0) { | |
7aea4412 | 699 | dma_buf_commit(s, 0); |
8ccad811 FB |
700 | sector_num += n; |
701 | ide_set_sector(s, sector_num); | |
702 | s->nsector -= n; | |
98087450 | 703 | } |
98087450 | 704 | |
8ccad811 FB |
705 | /* end of transfer ? */ |
706 | if (s->nsector == 0) { | |
707 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 708 | ide_set_irq(s->bus); |
8ccad811 FB |
709 | eot: |
710 | bm->status &= ~BM_STATUS_DMAING; | |
711 | bm->status |= BM_STATUS_INT; | |
712 | bm->dma_cb = NULL; | |
bcbdc4d3 | 713 | bm->unit = -1; |
8ccad811 FB |
714 | bm->aiocb = NULL; |
715 | return; | |
716 | } | |
717 | ||
98087450 | 718 | n = s->nsector; |
98087450 | 719 | s->io_buffer_size = n * 512; |
7aea4412 AL |
720 | /* launch next transfer */ |
721 | if (dma_buf_prepare(bm, 0) == 0) | |
8ccad811 FB |
722 | goto eot; |
723 | #ifdef DEBUG_AIO | |
5df23f53 | 724 | printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
8ccad811 | 725 | #endif |
1fb8648d | 726 | bm->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, bm); |
5604e090 | 727 | ide_dma_submit_check(s, ide_write_dma_cb, bm); |
8ccad811 FB |
728 | } |
729 | ||
730 | static void ide_sector_write_dma(IDEState *s) | |
731 | { | |
732 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; | |
733 | s->io_buffer_index = 0; | |
734 | s->io_buffer_size = 0; | |
e3007e66 | 735 | s->is_read = 0; |
98087450 FB |
736 | ide_dma_start(s, ide_write_dma_cb); |
737 | } | |
738 | ||
356721ae | 739 | void ide_atapi_cmd_ok(IDEState *s) |
5391d806 FB |
740 | { |
741 | s->error = 0; | |
41a2b959 | 742 | s->status = READY_STAT | SEEK_STAT; |
5391d806 | 743 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; |
9cdd03a7 | 744 | ide_set_irq(s->bus); |
5391d806 FB |
745 | } |
746 | ||
356721ae | 747 | void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) |
5391d806 FB |
748 | { |
749 | #ifdef DEBUG_IDE_ATAPI | |
750 | printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc); | |
751 | #endif | |
752 | s->error = sense_key << 4; | |
753 | s->status = READY_STAT | ERR_STAT; | |
754 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; | |
755 | s->sense_key = sense_key; | |
756 | s->asc = asc; | |
9cdd03a7 | 757 | ide_set_irq(s->bus); |
5391d806 FB |
758 | } |
759 | ||
9118e7f0 AL |
760 | static void ide_atapi_cmd_check_status(IDEState *s) |
761 | { | |
762 | #ifdef DEBUG_IDE_ATAPI | |
763 | printf("atapi_cmd_check_status\n"); | |
764 | #endif | |
765 | s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4); | |
766 | s->status = ERR_STAT; | |
767 | s->nsector = 0; | |
9cdd03a7 | 768 | ide_set_irq(s->bus); |
9118e7f0 AL |
769 | } |
770 | ||
5391d806 FB |
771 | static inline void cpu_to_ube16(uint8_t *buf, int val) |
772 | { | |
773 | buf[0] = val >> 8; | |
9e622b15 | 774 | buf[1] = val & 0xff; |
5391d806 FB |
775 | } |
776 | ||
777 | static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) | |
778 | { | |
779 | buf[0] = val >> 24; | |
780 | buf[1] = val >> 16; | |
781 | buf[2] = val >> 8; | |
9e622b15 | 782 | buf[3] = val & 0xff; |
5391d806 FB |
783 | } |
784 | ||
785 | static inline int ube16_to_cpu(const uint8_t *buf) | |
786 | { | |
787 | return (buf[0] << 8) | buf[1]; | |
788 | } | |
789 | ||
790 | static inline int ube32_to_cpu(const uint8_t *buf) | |
791 | { | |
792 | return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; | |
793 | } | |
794 | ||
98087450 FB |
795 | static void lba_to_msf(uint8_t *buf, int lba) |
796 | { | |
797 | lba += 150; | |
798 | buf[0] = (lba / 75) / 60; | |
799 | buf[1] = (lba / 75) % 60; | |
800 | buf[2] = lba % 75; | |
801 | } | |
802 | ||
8ccad811 FB |
803 | static void cd_data_to_raw(uint8_t *buf, int lba) |
804 | { | |
805 | /* sync bytes */ | |
806 | buf[0] = 0x00; | |
807 | memset(buf + 1, 0xff, 10); | |
808 | buf[11] = 0x00; | |
809 | buf += 12; | |
810 | /* MSF */ | |
811 | lba_to_msf(buf, lba); | |
812 | buf[3] = 0x01; /* mode 1 data */ | |
813 | buf += 4; | |
814 | /* data */ | |
815 | buf += 2048; | |
816 | /* XXX: ECC not computed */ | |
817 | memset(buf, 0, 288); | |
818 | } | |
819 | ||
5fafdf24 | 820 | static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, |
98087450 FB |
821 | int sector_size) |
822 | { | |
66c6ef76 FB |
823 | int ret; |
824 | ||
98087450 FB |
825 | switch(sector_size) { |
826 | case 2048: | |
66c6ef76 | 827 | ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); |
98087450 FB |
828 | break; |
829 | case 2352: | |
66c6ef76 FB |
830 | ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); |
831 | if (ret < 0) | |
832 | return ret; | |
8ccad811 | 833 | cd_data_to_raw(buf, lba); |
98087450 FB |
834 | break; |
835 | default: | |
66c6ef76 | 836 | ret = -EIO; |
98087450 FB |
837 | break; |
838 | } | |
66c6ef76 FB |
839 | return ret; |
840 | } | |
841 | ||
356721ae | 842 | void ide_atapi_io_error(IDEState *s, int ret) |
66c6ef76 FB |
843 | { |
844 | /* XXX: handle more errors */ | |
845 | if (ret == -ENOMEDIUM) { | |
5fafdf24 | 846 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
66c6ef76 FB |
847 | ASC_MEDIUM_NOT_PRESENT); |
848 | } else { | |
5fafdf24 | 849 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
66c6ef76 FB |
850 | ASC_LOGICAL_BLOCK_OOR); |
851 | } | |
98087450 FB |
852 | } |
853 | ||
5391d806 FB |
854 | /* The whole ATAPI transfer logic is handled in this function */ |
855 | static void ide_atapi_cmd_reply_end(IDEState *s) | |
856 | { | |
66c6ef76 | 857 | int byte_count_limit, size, ret; |
5391d806 | 858 | #ifdef DEBUG_IDE_ATAPI |
5fafdf24 | 859 | printf("reply: tx_size=%d elem_tx_size=%d index=%d\n", |
5391d806 FB |
860 | s->packet_transfer_size, |
861 | s->elementary_transfer_size, | |
862 | s->io_buffer_index); | |
863 | #endif | |
864 | if (s->packet_transfer_size <= 0) { | |
865 | /* end of transfer */ | |
866 | ide_transfer_stop(s); | |
41a2b959 | 867 | s->status = READY_STAT | SEEK_STAT; |
5391d806 | 868 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; |
9cdd03a7 | 869 | ide_set_irq(s->bus); |
5391d806 FB |
870 | #ifdef DEBUG_IDE_ATAPI |
871 | printf("status=0x%x\n", s->status); | |
872 | #endif | |
873 | } else { | |
874 | /* see if a new sector must be read */ | |
98087450 | 875 | if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { |
66c6ef76 FB |
876 | ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); |
877 | if (ret < 0) { | |
878 | ide_transfer_stop(s); | |
879 | ide_atapi_io_error(s, ret); | |
880 | return; | |
881 | } | |
5391d806 FB |
882 | s->lba++; |
883 | s->io_buffer_index = 0; | |
884 | } | |
885 | if (s->elementary_transfer_size > 0) { | |
886 | /* there are some data left to transmit in this elementary | |
887 | transfer */ | |
98087450 | 888 | size = s->cd_sector_size - s->io_buffer_index; |
5391d806 FB |
889 | if (size > s->elementary_transfer_size) |
890 | size = s->elementary_transfer_size; | |
5fafdf24 | 891 | ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
5391d806 FB |
892 | size, ide_atapi_cmd_reply_end); |
893 | s->packet_transfer_size -= size; | |
894 | s->elementary_transfer_size -= size; | |
895 | s->io_buffer_index += size; | |
896 | } else { | |
897 | /* a new transfer is needed */ | |
898 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO; | |
899 | byte_count_limit = s->lcyl | (s->hcyl << 8); | |
900 | #ifdef DEBUG_IDE_ATAPI | |
901 | printf("byte_count_limit=%d\n", byte_count_limit); | |
902 | #endif | |
903 | if (byte_count_limit == 0xffff) | |
904 | byte_count_limit--; | |
905 | size = s->packet_transfer_size; | |
906 | if (size > byte_count_limit) { | |
907 | /* byte count limit must be even if this case */ | |
908 | if (byte_count_limit & 1) | |
909 | byte_count_limit--; | |
910 | size = byte_count_limit; | |
5391d806 | 911 | } |
a136e5a8 FB |
912 | s->lcyl = size; |
913 | s->hcyl = size >> 8; | |
5391d806 FB |
914 | s->elementary_transfer_size = size; |
915 | /* we cannot transmit more than one sector at a time */ | |
916 | if (s->lba != -1) { | |
98087450 FB |
917 | if (size > (s->cd_sector_size - s->io_buffer_index)) |
918 | size = (s->cd_sector_size - s->io_buffer_index); | |
5391d806 | 919 | } |
5fafdf24 | 920 | ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
5391d806 FB |
921 | size, ide_atapi_cmd_reply_end); |
922 | s->packet_transfer_size -= size; | |
923 | s->elementary_transfer_size -= size; | |
924 | s->io_buffer_index += size; | |
9cdd03a7 | 925 | ide_set_irq(s->bus); |
5391d806 FB |
926 | #ifdef DEBUG_IDE_ATAPI |
927 | printf("status=0x%x\n", s->status); | |
928 | #endif | |
929 | } | |
930 | } | |
931 | } | |
932 | ||
933 | /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */ | |
934 | static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) | |
935 | { | |
936 | if (size > max_size) | |
937 | size = max_size; | |
938 | s->lba = -1; /* no sector read */ | |
939 | s->packet_transfer_size = size; | |
5f12ab4b | 940 | s->io_buffer_size = size; /* dma: send the reply data as one chunk */ |
5391d806 FB |
941 | s->elementary_transfer_size = 0; |
942 | s->io_buffer_index = 0; | |
943 | ||
5f12ab4b | 944 | if (s->atapi_dma) { |
41a2b959 | 945 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT; |
5f12ab4b TS |
946 | ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
947 | } else { | |
41a2b959 | 948 | s->status = READY_STAT | SEEK_STAT; |
5f12ab4b TS |
949 | ide_atapi_cmd_reply_end(s); |
950 | } | |
5391d806 FB |
951 | } |
952 | ||
953 | /* start a CD-CDROM read command */ | |
98087450 FB |
954 | static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, |
955 | int sector_size) | |
5391d806 | 956 | { |
5391d806 | 957 | s->lba = lba; |
98087450 | 958 | s->packet_transfer_size = nb_sectors * sector_size; |
5391d806 | 959 | s->elementary_transfer_size = 0; |
98087450 FB |
960 | s->io_buffer_index = sector_size; |
961 | s->cd_sector_size = sector_size; | |
5391d806 | 962 | |
41a2b959 | 963 | s->status = READY_STAT | SEEK_STAT; |
5391d806 FB |
964 | ide_atapi_cmd_reply_end(s); |
965 | } | |
966 | ||
98087450 | 967 | /* ATAPI DMA support */ |
8ccad811 FB |
968 | |
969 | /* XXX: handle read errors */ | |
970 | static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) | |
98087450 | 971 | { |
8ccad811 | 972 | BMDMAState *bm = opaque; |
bcbdc4d3 | 973 | IDEState *s = bmdma_active_if(bm); |
8ccad811 FB |
974 | int data_offset, n; |
975 | ||
66c6ef76 FB |
976 | if (ret < 0) { |
977 | ide_atapi_io_error(s, ret); | |
978 | goto eot; | |
979 | } | |
980 | ||
8ccad811 | 981 | if (s->io_buffer_size > 0) { |
5f12ab4b TS |
982 | /* |
983 | * For a cdrom read sector command (s->lba != -1), | |
984 | * adjust the lba for the next s->io_buffer_size chunk | |
985 | * and dma the current chunk. | |
986 | * For a command != read (s->lba == -1), just transfer | |
987 | * the reply data. | |
988 | */ | |
989 | if (s->lba != -1) { | |
990 | if (s->cd_sector_size == 2352) { | |
991 | n = 1; | |
992 | cd_data_to_raw(s->io_buffer, s->lba); | |
993 | } else { | |
994 | n = s->io_buffer_size >> 11; | |
995 | } | |
996 | s->lba += n; | |
997 | } | |
8ccad811 | 998 | s->packet_transfer_size -= s->io_buffer_size; |
8ccad811 FB |
999 | if (dma_buf_rw(bm, 1) == 0) |
1000 | goto eot; | |
98087450 | 1001 | } |
8ccad811 | 1002 | |
98087450 | 1003 | if (s->packet_transfer_size <= 0) { |
41a2b959 | 1004 | s->status = READY_STAT | SEEK_STAT; |
98087450 | 1005 | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; |
9cdd03a7 | 1006 | ide_set_irq(s->bus); |
8ccad811 FB |
1007 | eot: |
1008 | bm->status &= ~BM_STATUS_DMAING; | |
1009 | bm->status |= BM_STATUS_INT; | |
1010 | bm->dma_cb = NULL; | |
bcbdc4d3 | 1011 | bm->unit = -1; |
8ccad811 FB |
1012 | bm->aiocb = NULL; |
1013 | return; | |
1014 | } | |
3b46e624 | 1015 | |
8ccad811 FB |
1016 | s->io_buffer_index = 0; |
1017 | if (s->cd_sector_size == 2352) { | |
1018 | n = 1; | |
1019 | s->io_buffer_size = s->cd_sector_size; | |
1020 | data_offset = 16; | |
1021 | } else { | |
1022 | n = s->packet_transfer_size >> 11; | |
1d8cde5b AJ |
1023 | if (n > (IDE_DMA_BUF_SECTORS / 4)) |
1024 | n = (IDE_DMA_BUF_SECTORS / 4); | |
8ccad811 FB |
1025 | s->io_buffer_size = n * 2048; |
1026 | data_offset = 0; | |
98087450 | 1027 | } |
8ccad811 FB |
1028 | #ifdef DEBUG_AIO |
1029 | printf("aio_read_cd: lba=%u n=%d\n", s->lba, n); | |
1030 | #endif | |
3f4cb3d3 | 1031 | bm->iov.iov_base = (void *)(s->io_buffer + data_offset); |
c87c0672 AL |
1032 | bm->iov.iov_len = n * 4 * 512; |
1033 | qemu_iovec_init_external(&bm->qiov, &bm->iov, 1); | |
1034 | bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov, | |
1035 | n * 4, ide_atapi_cmd_read_dma_cb, bm); | |
66c6ef76 FB |
1036 | if (!bm->aiocb) { |
1037 | /* Note: media not present is the most likely case */ | |
5fafdf24 | 1038 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
66c6ef76 FB |
1039 | ASC_MEDIUM_NOT_PRESENT); |
1040 | goto eot; | |
1041 | } | |
98087450 FB |
1042 | } |
1043 | ||
1044 | /* start a CD-CDROM read command with DMA */ | |
1045 | /* XXX: test if DMA is available */ | |
1046 | static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, | |
1047 | int sector_size) | |
1048 | { | |
1049 | s->lba = lba; | |
1050 | s->packet_transfer_size = nb_sectors * sector_size; | |
8ccad811 FB |
1051 | s->io_buffer_index = 0; |
1052 | s->io_buffer_size = 0; | |
98087450 FB |
1053 | s->cd_sector_size = sector_size; |
1054 | ||
8ccad811 | 1055 | /* XXX: check if BUSY_STAT should be set */ |
41a2b959 | 1056 | s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
98087450 FB |
1057 | ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
1058 | } | |
1059 | ||
5fafdf24 | 1060 | static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, |
98087450 FB |
1061 | int sector_size) |
1062 | { | |
1063 | #ifdef DEBUG_IDE_ATAPI | |
5f12ab4b TS |
1064 | printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", |
1065 | lba, nb_sectors); | |
98087450 FB |
1066 | #endif |
1067 | if (s->atapi_dma) { | |
1068 | ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); | |
1069 | } else { | |
1070 | ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); | |
1071 | } | |
1072 | } | |
1073 | ||
38cdea7c AZ |
1074 | static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, |
1075 | uint16_t profile) | |
1076 | { | |
1077 | uint8_t *buf_profile = buf + 12; /* start of profiles */ | |
1078 | ||
1079 | buf_profile += ((*index) * 4); /* start of indexed profile */ | |
1080 | cpu_to_ube16 (buf_profile, profile); | |
1081 | buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); | |
1082 | ||
1083 | /* each profile adds 4 bytes to the response */ | |
1084 | (*index)++; | |
1085 | buf[11] += 4; /* Additional Length */ | |
1086 | ||
1087 | return 4; | |
1088 | } | |
1089 | ||
8114e9e8 TS |
1090 | static int ide_dvd_read_structure(IDEState *s, int format, |
1091 | const uint8_t *packet, uint8_t *buf) | |
1092 | { | |
1093 | switch (format) { | |
1094 | case 0x0: /* Physical format information */ | |
1095 | { | |
1096 | int layer = packet[6]; | |
1097 | uint64_t total_sectors; | |
1098 | ||
1099 | if (layer != 0) | |
1100 | return -ASC_INV_FIELD_IN_CMD_PACKET; | |
1101 | ||
1102 | bdrv_get_geometry(s->bs, &total_sectors); | |
1103 | total_sectors >>= 2; | |
1104 | if (total_sectors == 0) | |
1105 | return -ASC_MEDIUM_NOT_PRESENT; | |
1106 | ||
1107 | buf[4] = 1; /* DVD-ROM, part version 1 */ | |
1108 | buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ | |
1109 | buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ | |
1110 | buf[7] = 0; /* default densities */ | |
1111 | ||
1112 | /* FIXME: 0x30000 per spec? */ | |
1113 | cpu_to_ube32(buf + 8, 0); /* start sector */ | |
1114 | cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */ | |
1115 | cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */ | |
1116 | ||
1117 | /* Size of buffer, not including 2 byte size field */ | |
1118 | cpu_to_be16wu((uint16_t *)buf, 2048 + 2); | |
1119 | ||
1120 | /* 2k data + 4 byte header */ | |
1121 | return (2048 + 4); | |
1122 | } | |
1123 | ||
1124 | case 0x01: /* DVD copyright information */ | |
1125 | buf[4] = 0; /* no copyright data */ | |
1126 | buf[5] = 0; /* no region restrictions */ | |
1127 | ||
1128 | /* Size of buffer, not including 2 byte size field */ | |
1129 | cpu_to_be16wu((uint16_t *)buf, 4 + 2); | |
1130 | ||
1131 | /* 4 byte header + 4 byte data */ | |
1132 | return (4 + 4); | |
1133 | ||
1134 | case 0x03: /* BCA information - invalid field for no BCA info */ | |
1135 | return -ASC_INV_FIELD_IN_CMD_PACKET; | |
1136 | ||
1137 | case 0x04: /* DVD disc manufacturing information */ | |
1138 | /* Size of buffer, not including 2 byte size field */ | |
1139 | cpu_to_be16wu((uint16_t *)buf, 2048 + 2); | |
1140 | ||
1141 | /* 2k data + 4 byte header */ | |
1142 | return (2048 + 4); | |
1143 | ||
1144 | case 0xff: | |
1145 | /* | |
1146 | * This lists all the command capabilities above. Add new ones | |
1147 | * in order and update the length and buffer return values. | |
1148 | */ | |
1149 | ||
1150 | buf[4] = 0x00; /* Physical format */ | |
1151 | buf[5] = 0x40; /* Not writable, is readable */ | |
1152 | cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4); | |
1153 | ||
1154 | buf[8] = 0x01; /* Copyright info */ | |
1155 | buf[9] = 0x40; /* Not writable, is readable */ | |
1156 | cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4); | |
1157 | ||
1158 | buf[12] = 0x03; /* BCA info */ | |
1159 | buf[13] = 0x40; /* Not writable, is readable */ | |
1160 | cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4); | |
1161 | ||
1162 | buf[16] = 0x04; /* Manufacturing info */ | |
1163 | buf[17] = 0x40; /* Not writable, is readable */ | |
1164 | cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4); | |
1165 | ||
1166 | /* Size of buffer, not including 2 byte size field */ | |
1167 | cpu_to_be16wu((uint16_t *)buf, 16 + 2); | |
1168 | ||
1169 | /* data written + 4 byte header */ | |
1170 | return (16 + 4); | |
1171 | ||
1172 | default: /* TODO: formats beyond DVD-ROM requires */ | |
1173 | return -ASC_INV_FIELD_IN_CMD_PACKET; | |
1174 | } | |
1175 | } | |
1176 | ||
5391d806 FB |
1177 | static void ide_atapi_cmd(IDEState *s) |
1178 | { | |
1179 | const uint8_t *packet; | |
1180 | uint8_t *buf; | |
1181 | int max_len; | |
1182 | ||
1183 | packet = s->io_buffer; | |
1184 | buf = s->io_buffer; | |
1185 | #ifdef DEBUG_IDE_ATAPI | |
1186 | { | |
1187 | int i; | |
1188 | printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); | |
1189 | for(i = 0; i < ATAPI_PACKET_SIZE; i++) { | |
1190 | printf(" %02x", packet[i]); | |
1191 | } | |
1192 | printf("\n"); | |
1193 | } | |
1194 | #endif | |
9118e7f0 AL |
1195 | /* If there's a UNIT_ATTENTION condition pending, only |
1196 | REQUEST_SENSE and INQUIRY commands are allowed to complete. */ | |
1197 | if (s->sense_key == SENSE_UNIT_ATTENTION && | |
1198 | s->io_buffer[0] != GPCMD_REQUEST_SENSE && | |
1199 | s->io_buffer[0] != GPCMD_INQUIRY) { | |
1200 | ide_atapi_cmd_check_status(s); | |
1201 | return; | |
1202 | } | |
5391d806 FB |
1203 | switch(s->io_buffer[0]) { |
1204 | case GPCMD_TEST_UNIT_READY: | |
93c8cfd9 | 1205 | if (bdrv_is_inserted(s->bs) && !s->cdrom_changed) { |
5391d806 FB |
1206 | ide_atapi_cmd_ok(s); |
1207 | } else { | |
93c8cfd9 | 1208 | s->cdrom_changed = 0; |
5fafdf24 | 1209 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1210 | ASC_MEDIUM_NOT_PRESENT); |
1211 | } | |
1212 | break; | |
d14049ea | 1213 | case GPCMD_MODE_SENSE_6: |
5391d806 FB |
1214 | case GPCMD_MODE_SENSE_10: |
1215 | { | |
1216 | int action, code; | |
d14049ea TS |
1217 | if (packet[0] == GPCMD_MODE_SENSE_10) |
1218 | max_len = ube16_to_cpu(packet + 7); | |
1219 | else | |
1220 | max_len = packet[4]; | |
5391d806 FB |
1221 | action = packet[2] >> 6; |
1222 | code = packet[2] & 0x3f; | |
1223 | switch(action) { | |
1224 | case 0: /* current values */ | |
1225 | switch(code) { | |
1226 | case 0x01: /* error recovery */ | |
1227 | cpu_to_ube16(&buf[0], 16 + 6); | |
1228 | buf[2] = 0x70; | |
1229 | buf[3] = 0; | |
1230 | buf[4] = 0; | |
1231 | buf[5] = 0; | |
1232 | buf[6] = 0; | |
1233 | buf[7] = 0; | |
1234 | ||
1235 | buf[8] = 0x01; | |
1236 | buf[9] = 0x06; | |
1237 | buf[10] = 0x00; | |
1238 | buf[11] = 0x05; | |
1239 | buf[12] = 0x00; | |
1240 | buf[13] = 0x00; | |
1241 | buf[14] = 0x00; | |
1242 | buf[15] = 0x00; | |
1243 | ide_atapi_cmd_reply(s, 16, max_len); | |
1244 | break; | |
1245 | case 0x2a: | |
1246 | cpu_to_ube16(&buf[0], 28 + 6); | |
1247 | buf[2] = 0x70; | |
1248 | buf[3] = 0; | |
1249 | buf[4] = 0; | |
1250 | buf[5] = 0; | |
1251 | buf[6] = 0; | |
1252 | buf[7] = 0; | |
1253 | ||
1254 | buf[8] = 0x2a; | |
1255 | buf[9] = 0x12; | |
0d4a05a1 | 1256 | buf[10] = 0x00; |
5391d806 | 1257 | buf[11] = 0x00; |
3b46e624 | 1258 | |
d5b4eb40 AL |
1259 | /* Claim PLAY_AUDIO capability (0x01) since some Linux |
1260 | code checks for this to automount media. */ | |
1261 | buf[12] = 0x71; | |
5391d806 FB |
1262 | buf[13] = 3 << 5; |
1263 | buf[14] = (1 << 0) | (1 << 3) | (1 << 5); | |
caed8802 | 1264 | if (bdrv_is_locked(s->bs)) |
5391d806 FB |
1265 | buf[6] |= 1 << 1; |
1266 | buf[15] = 0x00; | |
1267 | cpu_to_ube16(&buf[16], 706); | |
1268 | buf[18] = 0; | |
1269 | buf[19] = 2; | |
1270 | cpu_to_ube16(&buf[20], 512); | |
1271 | cpu_to_ube16(&buf[22], 706); | |
1272 | buf[24] = 0; | |
1273 | buf[25] = 0; | |
1274 | buf[26] = 0; | |
1275 | buf[27] = 0; | |
1276 | ide_atapi_cmd_reply(s, 28, max_len); | |
1277 | break; | |
1278 | default: | |
1279 | goto error_cmd; | |
1280 | } | |
1281 | break; | |
1282 | case 1: /* changeable values */ | |
1283 | goto error_cmd; | |
1284 | case 2: /* default values */ | |
1285 | goto error_cmd; | |
1286 | default: | |
1287 | case 3: /* saved values */ | |
5fafdf24 | 1288 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
5391d806 FB |
1289 | ASC_SAVING_PARAMETERS_NOT_SUPPORTED); |
1290 | break; | |
1291 | } | |
1292 | } | |
1293 | break; | |
1294 | case GPCMD_REQUEST_SENSE: | |
1295 | max_len = packet[4]; | |
1296 | memset(buf, 0, 18); | |
1297 | buf[0] = 0x70 | (1 << 7); | |
1298 | buf[2] = s->sense_key; | |
1299 | buf[7] = 10; | |
1300 | buf[12] = s->asc; | |
9118e7f0 AL |
1301 | if (s->sense_key == SENSE_UNIT_ATTENTION) |
1302 | s->sense_key = SENSE_NONE; | |
5391d806 FB |
1303 | ide_atapi_cmd_reply(s, 18, max_len); |
1304 | break; | |
1305 | case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL: | |
caed8802 FB |
1306 | if (bdrv_is_inserted(s->bs)) { |
1307 | bdrv_set_locked(s->bs, packet[4] & 1); | |
5391d806 FB |
1308 | ide_atapi_cmd_ok(s); |
1309 | } else { | |
5fafdf24 | 1310 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1311 | ASC_MEDIUM_NOT_PRESENT); |
1312 | } | |
1313 | break; | |
1314 | case GPCMD_READ_10: | |
1315 | case GPCMD_READ_12: | |
1316 | { | |
1317 | int nb_sectors, lba; | |
1318 | ||
5391d806 FB |
1319 | if (packet[0] == GPCMD_READ_10) |
1320 | nb_sectors = ube16_to_cpu(packet + 7); | |
1321 | else | |
1322 | nb_sectors = ube32_to_cpu(packet + 6); | |
1323 | lba = ube32_to_cpu(packet + 2); | |
1324 | if (nb_sectors == 0) { | |
1325 | ide_atapi_cmd_ok(s); | |
1326 | break; | |
1327 | } | |
98087450 FB |
1328 | ide_atapi_cmd_read(s, lba, nb_sectors, 2048); |
1329 | } | |
1330 | break; | |
1331 | case GPCMD_READ_CD: | |
1332 | { | |
1333 | int nb_sectors, lba, transfer_request; | |
1334 | ||
98087450 FB |
1335 | nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; |
1336 | lba = ube32_to_cpu(packet + 2); | |
1337 | if (nb_sectors == 0) { | |
1338 | ide_atapi_cmd_ok(s); | |
1339 | break; | |
1340 | } | |
98087450 FB |
1341 | transfer_request = packet[9]; |
1342 | switch(transfer_request & 0xf8) { | |
1343 | case 0x00: | |
1344 | /* nothing */ | |
1345 | ide_atapi_cmd_ok(s); | |
1346 | break; | |
1347 | case 0x10: | |
1348 | /* normal read */ | |
1349 | ide_atapi_cmd_read(s, lba, nb_sectors, 2048); | |
1350 | break; | |
1351 | case 0xf8: | |
1352 | /* read all data */ | |
1353 | ide_atapi_cmd_read(s, lba, nb_sectors, 2352); | |
1354 | break; | |
1355 | default: | |
5fafdf24 | 1356 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
98087450 FB |
1357 | ASC_INV_FIELD_IN_CMD_PACKET); |
1358 | break; | |
1359 | } | |
5391d806 FB |
1360 | } |
1361 | break; | |
1362 | case GPCMD_SEEK: | |
1363 | { | |
96b8f136 TS |
1364 | unsigned int lba; |
1365 | uint64_t total_sectors; | |
66c6ef76 FB |
1366 | |
1367 | bdrv_get_geometry(s->bs, &total_sectors); | |
1368 | total_sectors >>= 2; | |
96b8f136 | 1369 | if (total_sectors == 0) { |
5fafdf24 | 1370 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1371 | ASC_MEDIUM_NOT_PRESENT); |
1372 | break; | |
1373 | } | |
1374 | lba = ube32_to_cpu(packet + 2); | |
66c6ef76 | 1375 | if (lba >= total_sectors) { |
5fafdf24 | 1376 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
5391d806 FB |
1377 | ASC_LOGICAL_BLOCK_OOR); |
1378 | break; | |
1379 | } | |
1380 | ide_atapi_cmd_ok(s); | |
1381 | } | |
1382 | break; | |
1383 | case GPCMD_START_STOP_UNIT: | |
1384 | { | |
aea2a33c | 1385 | int start, eject, err = 0; |
5391d806 FB |
1386 | start = packet[4] & 1; |
1387 | eject = (packet[4] >> 1) & 1; | |
3b46e624 | 1388 | |
aea2a33c MM |
1389 | if (eject) { |
1390 | err = bdrv_eject(s->bs, !start); | |
1391 | } | |
1392 | ||
1393 | switch (err) { | |
1394 | case 0: | |
1395 | ide_atapi_cmd_ok(s); | |
1396 | break; | |
1397 | case -EBUSY: | |
1398 | ide_atapi_cmd_error(s, SENSE_NOT_READY, | |
1399 | ASC_MEDIA_REMOVAL_PREVENTED); | |
1400 | break; | |
1401 | default: | |
1402 | ide_atapi_cmd_error(s, SENSE_NOT_READY, | |
1403 | ASC_MEDIUM_NOT_PRESENT); | |
1404 | break; | |
caed8802 | 1405 | } |
5391d806 FB |
1406 | } |
1407 | break; | |
1408 | case GPCMD_MECHANISM_STATUS: | |
1409 | { | |
1410 | max_len = ube16_to_cpu(packet + 8); | |
1411 | cpu_to_ube16(buf, 0); | |
1412 | /* no current LBA */ | |
1413 | buf[2] = 0; | |
1414 | buf[3] = 0; | |
1415 | buf[4] = 0; | |
1416 | buf[5] = 1; | |
1417 | cpu_to_ube16(buf + 6, 0); | |
1418 | ide_atapi_cmd_reply(s, 8, max_len); | |
1419 | } | |
1420 | break; | |
1421 | case GPCMD_READ_TOC_PMA_ATIP: | |
1422 | { | |
1423 | int format, msf, start_track, len; | |
96b8f136 | 1424 | uint64_t total_sectors; |
5391d806 | 1425 | |
66c6ef76 FB |
1426 | bdrv_get_geometry(s->bs, &total_sectors); |
1427 | total_sectors >>= 2; | |
96b8f136 | 1428 | if (total_sectors == 0) { |
5fafdf24 | 1429 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
5391d806 FB |
1430 | ASC_MEDIUM_NOT_PRESENT); |
1431 | break; | |
1432 | } | |
1433 | max_len = ube16_to_cpu(packet + 7); | |
1434 | format = packet[9] >> 6; | |
1435 | msf = (packet[1] >> 1) & 1; | |
1436 | start_track = packet[6]; | |
1437 | switch(format) { | |
1438 | case 0: | |
66c6ef76 | 1439 | len = cdrom_read_toc(total_sectors, buf, msf, start_track); |
5391d806 FB |
1440 | if (len < 0) |
1441 | goto error_cmd; | |
1442 | ide_atapi_cmd_reply(s, len, max_len); | |
1443 | break; | |
1444 | case 1: | |
1445 | /* multi session : only a single session defined */ | |
1446 | memset(buf, 0, 12); | |
1447 | buf[1] = 0x0a; | |
1448 | buf[2] = 0x01; | |
1449 | buf[3] = 0x01; | |
1450 | ide_atapi_cmd_reply(s, 12, max_len); | |
1451 | break; | |
98087450 | 1452 | case 2: |
66c6ef76 | 1453 | len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); |
98087450 FB |
1454 | if (len < 0) |
1455 | goto error_cmd; | |
1456 | ide_atapi_cmd_reply(s, len, max_len); | |
1457 | break; | |
5391d806 | 1458 | default: |
7f777bf3 | 1459 | error_cmd: |
5fafdf24 | 1460 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
7f777bf3 FB |
1461 | ASC_INV_FIELD_IN_CMD_PACKET); |
1462 | break; | |
5391d806 FB |
1463 | } |
1464 | } | |
1465 | break; | |
1466 | case GPCMD_READ_CDVD_CAPACITY: | |
66c6ef76 | 1467 | { |
96b8f136 | 1468 | uint64_t total_sectors; |
66c6ef76 FB |
1469 | |
1470 | bdrv_get_geometry(s->bs, &total_sectors); | |
1471 | total_sectors >>= 2; | |
96b8f136 | 1472 | if (total_sectors == 0) { |
5fafdf24 | 1473 | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
66c6ef76 FB |
1474 | ASC_MEDIUM_NOT_PRESENT); |
1475 | break; | |
1476 | } | |
1477 | /* NOTE: it is really the number of sectors minus 1 */ | |
1478 | cpu_to_ube32(buf, total_sectors - 1); | |
1479 | cpu_to_ube32(buf + 4, 2048); | |
1480 | ide_atapi_cmd_reply(s, 8, 8); | |
5391d806 | 1481 | } |
5391d806 | 1482 | break; |
d14049ea TS |
1483 | case GPCMD_READ_DVD_STRUCTURE: |
1484 | { | |
1485 | int media = packet[1]; | |
8114e9e8 TS |
1486 | int format = packet[7]; |
1487 | int ret; | |
d14049ea | 1488 | |
8114e9e8 | 1489 | max_len = ube16_to_cpu(packet + 8); |
d14049ea | 1490 | |
8114e9e8 TS |
1491 | if (format < 0xff) { |
1492 | if (media_is_cd(s)) { | |
1493 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1494 | ASC_INCOMPATIBLE_FORMAT); | |
1495 | break; | |
1496 | } else if (!media_present(s)) { | |
1497 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1498 | ASC_INV_FIELD_IN_CMD_PACKET); | |
1499 | break; | |
1500 | } | |
1501 | } | |
d14049ea | 1502 | |
8114e9e8 TS |
1503 | memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ? |
1504 | IDE_DMA_BUF_SECTORS * 512 + 4 : max_len); | |
d14049ea | 1505 | |
8114e9e8 TS |
1506 | switch (format) { |
1507 | case 0x00 ... 0x7f: | |
1508 | case 0xff: | |
1509 | if (media == 0) { | |
1510 | ret = ide_dvd_read_structure(s, format, packet, buf); | |
d14049ea | 1511 | |
8114e9e8 TS |
1512 | if (ret < 0) |
1513 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret); | |
1514 | else | |
1515 | ide_atapi_cmd_reply(s, ret, max_len); | |
d14049ea | 1516 | |
8114e9e8 TS |
1517 | break; |
1518 | } | |
1519 | /* TODO: BD support, fall through for now */ | |
1520 | ||
1521 | /* Generic disk structures */ | |
1522 | case 0x80: /* TODO: AACS volume identifier */ | |
1523 | case 0x81: /* TODO: AACS media serial number */ | |
1524 | case 0x82: /* TODO: AACS media identifier */ | |
1525 | case 0x83: /* TODO: AACS media key block */ | |
1526 | case 0x90: /* TODO: List of recognized format layers */ | |
1527 | case 0xc0: /* TODO: Write protection status */ | |
d14049ea TS |
1528 | default: |
1529 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1530 | ASC_INV_FIELD_IN_CMD_PACKET); | |
1531 | break; | |
1532 | } | |
1533 | } | |
1534 | break; | |
1535 | case GPCMD_SET_SPEED: | |
1536 | ide_atapi_cmd_ok(s); | |
1537 | break; | |
bd0d90b2 FB |
1538 | case GPCMD_INQUIRY: |
1539 | max_len = packet[4]; | |
1540 | buf[0] = 0x05; /* CD-ROM */ | |
1541 | buf[1] = 0x80; /* removable */ | |
1542 | buf[2] = 0x00; /* ISO */ | |
1543 | buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ | |
aa1f17c1 | 1544 | buf[4] = 31; /* additional length */ |
bd0d90b2 FB |
1545 | buf[5] = 0; /* reserved */ |
1546 | buf[6] = 0; /* reserved */ | |
1547 | buf[7] = 0; /* reserved */ | |
1548 | padstr8(buf + 8, 8, "QEMU"); | |
38cdea7c | 1549 | padstr8(buf + 16, 16, "QEMU DVD-ROM"); |
bd0d90b2 FB |
1550 | padstr8(buf + 32, 4, QEMU_VERSION); |
1551 | ide_atapi_cmd_reply(s, 36, max_len); | |
1552 | break; | |
d14049ea TS |
1553 | case GPCMD_GET_CONFIGURATION: |
1554 | { | |
38cdea7c | 1555 | uint32_t len; |
091d055b | 1556 | uint8_t index = 0; |
d14049ea TS |
1557 | |
1558 | /* only feature 0 is supported */ | |
1559 | if (packet[2] != 0 || packet[3] != 0) { | |
1560 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, | |
1561 | ASC_INV_FIELD_IN_CMD_PACKET); | |
1562 | break; | |
1563 | } | |
38cdea7c AZ |
1564 | |
1565 | /* XXX: could result in alignment problems in some architectures */ | |
1566 | max_len = ube16_to_cpu(packet + 7); | |
091d055b | 1567 | |
38cdea7c | 1568 | /* |
091d055b AZ |
1569 | * XXX: avoid overflow for io_buffer if max_len is bigger than |
1570 | * the size of that buffer (dimensioned to max number of | |
1571 | * sectors to transfer at once) | |
38cdea7c | 1572 | * |
091d055b | 1573 | * Only a problem if the feature/profiles grow. |
38cdea7c AZ |
1574 | */ |
1575 | if (max_len > 512) /* XXX: assume 1 sector */ | |
1576 | max_len = 512; | |
1577 | ||
1578 | memset(buf, 0, max_len); | |
1579 | /* | |
1580 | * the number of sectors from the media tells us which profile | |
1581 | * to use as current. 0 means there is no media | |
38cdea7c | 1582 | */ |
8114e9e8 TS |
1583 | if (media_is_dvd(s)) |
1584 | cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM); | |
1585 | else if (media_is_cd(s)) | |
1586 | cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM); | |
38cdea7c | 1587 | |
091d055b AZ |
1588 | buf[10] = 0x02 | 0x01; /* persistent and current */ |
1589 | len = 12; /* headers: 8 + 4 */ | |
1590 | len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); | |
1591 | len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); | |
38cdea7c AZ |
1592 | cpu_to_ube32(buf, len - 4); /* data length */ |
1593 | ||
1594 | ide_atapi_cmd_reply(s, len, max_len); | |
d14049ea TS |
1595 | break; |
1596 | } | |
5391d806 | 1597 | default: |
5fafdf24 | 1598 | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
7f777bf3 | 1599 | ASC_ILLEGAL_OPCODE); |
5391d806 FB |
1600 | break; |
1601 | } | |
1602 | } | |
1603 | ||
201a51fc AZ |
1604 | static void ide_cfata_metadata_inquiry(IDEState *s) |
1605 | { | |
1606 | uint16_t *p; | |
1607 | uint32_t spd; | |
1608 | ||
1609 | p = (uint16_t *) s->io_buffer; | |
1610 | memset(p, 0, 0x200); | |
1611 | spd = ((s->mdata_size - 1) >> 9) + 1; | |
1612 | ||
1613 | put_le16(p + 0, 0x0001); /* Data format revision */ | |
1614 | put_le16(p + 1, 0x0000); /* Media property: silicon */ | |
1615 | put_le16(p + 2, s->media_changed); /* Media status */ | |
1616 | put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ | |
1617 | put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ | |
1618 | put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ | |
1619 | put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ | |
1620 | } | |
1621 | ||
1622 | static void ide_cfata_metadata_read(IDEState *s) | |
1623 | { | |
1624 | uint16_t *p; | |
1625 | ||
1626 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
1627 | s->status = ERR_STAT; | |
1628 | s->error = ABRT_ERR; | |
1629 | return; | |
1630 | } | |
1631 | ||
1632 | p = (uint16_t *) s->io_buffer; | |
1633 | memset(p, 0, 0x200); | |
1634 | ||
1635 | put_le16(p + 0, s->media_changed); /* Media status */ | |
1636 | memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
1637 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
1638 | s->nsector << 9), 0x200 - 2)); | |
1639 | } | |
1640 | ||
1641 | static void ide_cfata_metadata_write(IDEState *s) | |
1642 | { | |
1643 | if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { | |
1644 | s->status = ERR_STAT; | |
1645 | s->error = ABRT_ERR; | |
1646 | return; | |
1647 | } | |
1648 | ||
1649 | s->media_changed = 0; | |
1650 | ||
1651 | memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), | |
1652 | s->io_buffer + 2, | |
1653 | MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), | |
1654 | s->nsector << 9), 0x200 - 2)); | |
1655 | } | |
1656 | ||
bd491d6a TS |
1657 | /* called when the inserted state of the media has changed */ |
1658 | static void cdrom_change_cb(void *opaque) | |
1659 | { | |
1660 | IDEState *s = opaque; | |
96b8f136 | 1661 | uint64_t nb_sectors; |
bd491d6a | 1662 | |
bd491d6a TS |
1663 | bdrv_get_geometry(s->bs, &nb_sectors); |
1664 | s->nb_sectors = nb_sectors; | |
9118e7f0 AL |
1665 | |
1666 | s->sense_key = SENSE_UNIT_ATTENTION; | |
1667 | s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; | |
93c8cfd9 | 1668 | s->cdrom_changed = 1; |
9cdd03a7 | 1669 | ide_set_irq(s->bus); |
bd491d6a TS |
1670 | } |
1671 | ||
c2ff060f FB |
1672 | static void ide_cmd_lba48_transform(IDEState *s, int lba48) |
1673 | { | |
1674 | s->lba48 = lba48; | |
1675 | ||
1676 | /* handle the 'magic' 0 nsector count conversion here. to avoid | |
1677 | * fiddling with the rest of the read logic, we just store the | |
1678 | * full sector count in ->nsector and ignore ->hob_nsector from now | |
1679 | */ | |
1680 | if (!s->lba48) { | |
1681 | if (!s->nsector) | |
1682 | s->nsector = 256; | |
1683 | } else { | |
1684 | if (!s->nsector && !s->hob_nsector) | |
1685 | s->nsector = 65536; | |
1686 | else { | |
1687 | int lo = s->nsector; | |
1688 | int hi = s->hob_nsector; | |
1689 | ||
1690 | s->nsector = (hi << 8) | lo; | |
1691 | } | |
1692 | } | |
1693 | } | |
1694 | ||
bcbdc4d3 | 1695 | static void ide_clear_hob(IDEBus *bus) |
c2ff060f FB |
1696 | { |
1697 | /* any write clears HOB high bit of device control register */ | |
bcbdc4d3 GH |
1698 | bus->ifs[0].select &= ~(1 << 7); |
1699 | bus->ifs[1].select &= ~(1 << 7); | |
c2ff060f FB |
1700 | } |
1701 | ||
356721ae | 1702 | void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
caed8802 | 1703 | { |
bcbdc4d3 | 1704 | IDEBus *bus = opaque; |
c45c3d00 | 1705 | IDEState *s; |
bcbdc4d3 | 1706 | int n; |
c2ff060f | 1707 | int lba48 = 0; |
5391d806 FB |
1708 | |
1709 | #ifdef DEBUG_IDE | |
1710 | printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); | |
1711 | #endif | |
c2ff060f | 1712 | |
5391d806 | 1713 | addr &= 7; |
fcdd25ab AL |
1714 | |
1715 | /* ignore writes to command block while busy with previous command */ | |
bcbdc4d3 | 1716 | if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) |
fcdd25ab AL |
1717 | return; |
1718 | ||
5391d806 FB |
1719 | switch(addr) { |
1720 | case 0: | |
1721 | break; | |
1722 | case 1: | |
bcbdc4d3 | 1723 | ide_clear_hob(bus); |
c45c3d00 | 1724 | /* NOTE: data is written to the two drives */ |
bcbdc4d3 GH |
1725 | bus->ifs[0].hob_feature = bus->ifs[0].feature; |
1726 | bus->ifs[1].hob_feature = bus->ifs[1].feature; | |
1727 | bus->ifs[0].feature = val; | |
1728 | bus->ifs[1].feature = val; | |
5391d806 FB |
1729 | break; |
1730 | case 2: | |
bcbdc4d3 GH |
1731 | ide_clear_hob(bus); |
1732 | bus->ifs[0].hob_nsector = bus->ifs[0].nsector; | |
1733 | bus->ifs[1].hob_nsector = bus->ifs[1].nsector; | |
1734 | bus->ifs[0].nsector = val; | |
1735 | bus->ifs[1].nsector = val; | |
5391d806 FB |
1736 | break; |
1737 | case 3: | |
bcbdc4d3 GH |
1738 | ide_clear_hob(bus); |
1739 | bus->ifs[0].hob_sector = bus->ifs[0].sector; | |
1740 | bus->ifs[1].hob_sector = bus->ifs[1].sector; | |
1741 | bus->ifs[0].sector = val; | |
1742 | bus->ifs[1].sector = val; | |
5391d806 FB |
1743 | break; |
1744 | case 4: | |
bcbdc4d3 GH |
1745 | ide_clear_hob(bus); |
1746 | bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; | |
1747 | bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; | |
1748 | bus->ifs[0].lcyl = val; | |
1749 | bus->ifs[1].lcyl = val; | |
5391d806 FB |
1750 | break; |
1751 | case 5: | |
bcbdc4d3 GH |
1752 | ide_clear_hob(bus); |
1753 | bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; | |
1754 | bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; | |
1755 | bus->ifs[0].hcyl = val; | |
1756 | bus->ifs[1].hcyl = val; | |
5391d806 FB |
1757 | break; |
1758 | case 6: | |
c2ff060f | 1759 | /* FIXME: HOB readback uses bit 7 */ |
bcbdc4d3 GH |
1760 | bus->ifs[0].select = (val & ~0x10) | 0xa0; |
1761 | bus->ifs[1].select = (val | 0x10) | 0xa0; | |
5391d806 | 1762 | /* select drive */ |
bcbdc4d3 | 1763 | bus->unit = (val >> 4) & 1; |
5391d806 FB |
1764 | break; |
1765 | default: | |
1766 | case 7: | |
1767 | /* command */ | |
1768 | #if defined(DEBUG_IDE) | |
1769 | printf("ide: CMD=%02x\n", val); | |
1770 | #endif | |
bcbdc4d3 | 1771 | s = idebus_active_if(bus); |
66201e2d | 1772 | /* ignore commands to non existant slave */ |
bcbdc4d3 | 1773 | if (s != bus->ifs && !s->bs) |
66201e2d | 1774 | break; |
c2ff060f | 1775 | |
fcdd25ab AL |
1776 | /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ |
1777 | if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) | |
1778 | break; | |
1779 | ||
5391d806 FB |
1780 | switch(val) { |
1781 | case WIN_IDENTIFY: | |
1782 | if (s->bs && !s->is_cdrom) { | |
201a51fc AZ |
1783 | if (!s->is_cf) |
1784 | ide_identify(s); | |
1785 | else | |
1786 | ide_cfata_identify(s); | |
2a282056 | 1787 | s->status = READY_STAT | SEEK_STAT; |
5391d806 FB |
1788 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); |
1789 | } else { | |
1790 | if (s->is_cdrom) { | |
1791 | ide_set_signature(s); | |
1792 | } | |
1793 | ide_abort_command(s); | |
1794 | } | |
9cdd03a7 | 1795 | ide_set_irq(s->bus); |
5391d806 FB |
1796 | break; |
1797 | case WIN_SPECIFY: | |
1798 | case WIN_RECAL: | |
a136e5a8 | 1799 | s->error = 0; |
769bec72 | 1800 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1801 | ide_set_irq(s->bus); |
5391d806 FB |
1802 | break; |
1803 | case WIN_SETMULT: | |
201a51fc AZ |
1804 | if (s->is_cf && s->nsector == 0) { |
1805 | /* Disable Read and Write Multiple */ | |
1806 | s->mult_sectors = 0; | |
41a2b959 | 1807 | s->status = READY_STAT | SEEK_STAT; |
201a51fc | 1808 | } else if ((s->nsector & 0xff) != 0 && |
39dfc926 TS |
1809 | ((s->nsector & 0xff) > MAX_MULT_SECTORS || |
1810 | (s->nsector & (s->nsector - 1)) != 0)) { | |
5391d806 FB |
1811 | ide_abort_command(s); |
1812 | } else { | |
292eef5a | 1813 | s->mult_sectors = s->nsector & 0xff; |
41a2b959 | 1814 | s->status = READY_STAT | SEEK_STAT; |
5391d806 | 1815 | } |
9cdd03a7 | 1816 | ide_set_irq(s->bus); |
5391d806 | 1817 | break; |
c2ff060f FB |
1818 | case WIN_VERIFY_EXT: |
1819 | lba48 = 1; | |
4ce900b4 FB |
1820 | case WIN_VERIFY: |
1821 | case WIN_VERIFY_ONCE: | |
1822 | /* do sector number check ? */ | |
c2ff060f | 1823 | ide_cmd_lba48_transform(s, lba48); |
41a2b959 | 1824 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1825 | ide_set_irq(s->bus); |
4ce900b4 | 1826 | break; |
c2ff060f FB |
1827 | case WIN_READ_EXT: |
1828 | lba48 = 1; | |
5391d806 FB |
1829 | case WIN_READ: |
1830 | case WIN_READ_ONCE: | |
5fafdf24 | 1831 | if (!s->bs) |
6b136f9e | 1832 | goto abort_cmd; |
c2ff060f | 1833 | ide_cmd_lba48_transform(s, lba48); |
5391d806 FB |
1834 | s->req_nb_sectors = 1; |
1835 | ide_sector_read(s); | |
1836 | break; | |
c2ff060f FB |
1837 | case WIN_WRITE_EXT: |
1838 | lba48 = 1; | |
5391d806 FB |
1839 | case WIN_WRITE: |
1840 | case WIN_WRITE_ONCE: | |
201a51fc AZ |
1841 | case CFA_WRITE_SECT_WO_ERASE: |
1842 | case WIN_WRITE_VERIFY: | |
c2ff060f | 1843 | ide_cmd_lba48_transform(s, lba48); |
a136e5a8 | 1844 | s->error = 0; |
f66723fa | 1845 | s->status = SEEK_STAT | READY_STAT; |
5391d806 FB |
1846 | s->req_nb_sectors = 1; |
1847 | ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); | |
201a51fc | 1848 | s->media_changed = 1; |
5391d806 | 1849 | break; |
c2ff060f FB |
1850 | case WIN_MULTREAD_EXT: |
1851 | lba48 = 1; | |
5391d806 FB |
1852 | case WIN_MULTREAD: |
1853 | if (!s->mult_sectors) | |
1854 | goto abort_cmd; | |
c2ff060f | 1855 | ide_cmd_lba48_transform(s, lba48); |
5391d806 FB |
1856 | s->req_nb_sectors = s->mult_sectors; |
1857 | ide_sector_read(s); | |
1858 | break; | |
c2ff060f FB |
1859 | case WIN_MULTWRITE_EXT: |
1860 | lba48 = 1; | |
5391d806 | 1861 | case WIN_MULTWRITE: |
201a51fc | 1862 | case CFA_WRITE_MULTI_WO_ERASE: |
5391d806 FB |
1863 | if (!s->mult_sectors) |
1864 | goto abort_cmd; | |
c2ff060f | 1865 | ide_cmd_lba48_transform(s, lba48); |
a136e5a8 | 1866 | s->error = 0; |
f66723fa | 1867 | s->status = SEEK_STAT | READY_STAT; |
5391d806 FB |
1868 | s->req_nb_sectors = s->mult_sectors; |
1869 | n = s->nsector; | |
1870 | if (n > s->req_nb_sectors) | |
1871 | n = s->req_nb_sectors; | |
1872 | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write); | |
201a51fc | 1873 | s->media_changed = 1; |
5391d806 | 1874 | break; |
c2ff060f FB |
1875 | case WIN_READDMA_EXT: |
1876 | lba48 = 1; | |
98087450 FB |
1877 | case WIN_READDMA: |
1878 | case WIN_READDMA_ONCE: | |
5fafdf24 | 1879 | if (!s->bs) |
98087450 | 1880 | goto abort_cmd; |
c2ff060f | 1881 | ide_cmd_lba48_transform(s, lba48); |
98087450 FB |
1882 | ide_sector_read_dma(s); |
1883 | break; | |
c2ff060f FB |
1884 | case WIN_WRITEDMA_EXT: |
1885 | lba48 = 1; | |
98087450 FB |
1886 | case WIN_WRITEDMA: |
1887 | case WIN_WRITEDMA_ONCE: | |
5fafdf24 | 1888 | if (!s->bs) |
98087450 | 1889 | goto abort_cmd; |
c2ff060f | 1890 | ide_cmd_lba48_transform(s, lba48); |
98087450 | 1891 | ide_sector_write_dma(s); |
201a51fc | 1892 | s->media_changed = 1; |
98087450 | 1893 | break; |
c2ff060f FB |
1894 | case WIN_READ_NATIVE_MAX_EXT: |
1895 | lba48 = 1; | |
5391d806 | 1896 | case WIN_READ_NATIVE_MAX: |
c2ff060f | 1897 | ide_cmd_lba48_transform(s, lba48); |
5391d806 | 1898 | ide_set_sector(s, s->nb_sectors - 1); |
41a2b959 | 1899 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1900 | ide_set_irq(s->bus); |
5391d806 | 1901 | break; |
a136e5a8 | 1902 | case WIN_CHECKPOWERMODE1: |
201a51fc | 1903 | case WIN_CHECKPOWERMODE2: |
a136e5a8 | 1904 | s->nsector = 0xff; /* device active or idle */ |
41a2b959 | 1905 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1906 | ide_set_irq(s->bus); |
a136e5a8 | 1907 | break; |
34e538ae FB |
1908 | case WIN_SETFEATURES: |
1909 | if (!s->bs) | |
1910 | goto abort_cmd; | |
1911 | /* XXX: valid for CDROM ? */ | |
1912 | switch(s->feature) { | |
e1f63470 TS |
1913 | case 0xcc: /* reverting to power-on defaults enable */ |
1914 | case 0x66: /* reverting to power-on defaults disable */ | |
34e538ae FB |
1915 | case 0x02: /* write cache enable */ |
1916 | case 0x82: /* write cache disable */ | |
1917 | case 0xaa: /* read look-ahead enable */ | |
1918 | case 0x55: /* read look-ahead disable */ | |
201a51fc AZ |
1919 | case 0x05: /* set advanced power management mode */ |
1920 | case 0x85: /* disable advanced power management mode */ | |
1921 | case 0x69: /* NOP */ | |
1922 | case 0x67: /* NOP */ | |
1923 | case 0x96: /* NOP */ | |
1924 | case 0x9a: /* NOP */ | |
c3e88d8c TS |
1925 | case 0x42: /* enable Automatic Acoustic Mode */ |
1926 | case 0xc2: /* disable Automatic Acoustic Mode */ | |
e0fe67aa | 1927 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1928 | ide_set_irq(s->bus); |
34e538ae | 1929 | break; |
94458802 FB |
1930 | case 0x03: { /* set transfer mode */ |
1931 | uint8_t val = s->nsector & 0x07; | |
1932 | ||
1933 | switch (s->nsector >> 3) { | |
1934 | case 0x00: /* pio default */ | |
1935 | case 0x01: /* pio mode */ | |
d1b5c20d TS |
1936 | put_le16(s->identify_data + 62,0x07); |
1937 | put_le16(s->identify_data + 63,0x07); | |
1938 | put_le16(s->identify_data + 88,0x3f); | |
1939 | break; | |
1940 | case 0x02: /* sigle word dma mode*/ | |
1941 | put_le16(s->identify_data + 62,0x07 | (1 << (val + 8))); | |
94458802 FB |
1942 | put_le16(s->identify_data + 63,0x07); |
1943 | put_le16(s->identify_data + 88,0x3f); | |
1944 | break; | |
1945 | case 0x04: /* mdma mode */ | |
d1b5c20d | 1946 | put_le16(s->identify_data + 62,0x07); |
94458802 FB |
1947 | put_le16(s->identify_data + 63,0x07 | (1 << (val + 8))); |
1948 | put_le16(s->identify_data + 88,0x3f); | |
1949 | break; | |
1950 | case 0x08: /* udma mode */ | |
d1b5c20d | 1951 | put_le16(s->identify_data + 62,0x07); |
94458802 FB |
1952 | put_le16(s->identify_data + 63,0x07); |
1953 | put_le16(s->identify_data + 88,0x3f | (1 << (val + 8))); | |
1954 | break; | |
1955 | default: | |
1956 | goto abort_cmd; | |
1957 | } | |
1958 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 1959 | ide_set_irq(s->bus); |
94458802 FB |
1960 | break; |
1961 | } | |
34e538ae FB |
1962 | default: |
1963 | goto abort_cmd; | |
1964 | } | |
1965 | break; | |
c2ff060f FB |
1966 | case WIN_FLUSH_CACHE: |
1967 | case WIN_FLUSH_CACHE_EXT: | |
7a6cba61 PB |
1968 | if (s->bs) |
1969 | bdrv_flush(s->bs); | |
41a2b959 | 1970 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 1971 | ide_set_irq(s->bus); |
7a6cba61 | 1972 | break; |
c3e88d8c TS |
1973 | case WIN_STANDBY: |
1974 | case WIN_STANDBY2: | |
1975 | case WIN_STANDBYNOW1: | |
201a51fc | 1976 | case WIN_STANDBYNOW2: |
c451ee71 | 1977 | case WIN_IDLEIMMEDIATE: |
201a51fc AZ |
1978 | case CFA_IDLEIMMEDIATE: |
1979 | case WIN_SETIDLE1: | |
1980 | case WIN_SETIDLE2: | |
c3e88d8c TS |
1981 | case WIN_SLEEPNOW1: |
1982 | case WIN_SLEEPNOW2: | |
1983 | s->status = READY_STAT; | |
9cdd03a7 | 1984 | ide_set_irq(s->bus); |
a7dfe172 | 1985 | break; |
4fbfcd6d AJ |
1986 | case WIN_SEEK: |
1987 | if(s->is_cdrom) | |
1988 | goto abort_cmd; | |
1989 | /* XXX: Check that seek is within bounds */ | |
1990 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 1991 | ide_set_irq(s->bus); |
4fbfcd6d | 1992 | break; |
5391d806 FB |
1993 | /* ATAPI commands */ |
1994 | case WIN_PIDENTIFY: | |
1995 | if (s->is_cdrom) { | |
1996 | ide_atapi_identify(s); | |
1298fe63 | 1997 | s->status = READY_STAT | SEEK_STAT; |
5391d806 FB |
1998 | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); |
1999 | } else { | |
2000 | ide_abort_command(s); | |
2001 | } | |
9cdd03a7 | 2002 | ide_set_irq(s->bus); |
5391d806 | 2003 | break; |
c451ee71 FB |
2004 | case WIN_DIAGNOSE: |
2005 | ide_set_signature(s); | |
33256a25 AL |
2006 | if (s->is_cdrom) |
2007 | s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet | |
2008 | * devices to return a clear status register | |
2009 | * with READY_STAT *not* set. */ | |
2010 | else | |
2011 | s->status = READY_STAT | SEEK_STAT; | |
2012 | s->error = 0x01; /* Device 0 passed, Device 1 passed or not | |
2013 | * present. | |
2014 | */ | |
9cdd03a7 | 2015 | ide_set_irq(s->bus); |
c451ee71 | 2016 | break; |
5391d806 FB |
2017 | case WIN_SRST: |
2018 | if (!s->is_cdrom) | |
2019 | goto abort_cmd; | |
2020 | ide_set_signature(s); | |
6b136f9e | 2021 | s->status = 0x00; /* NOTE: READY is _not_ set */ |
5391d806 FB |
2022 | s->error = 0x01; |
2023 | break; | |
2024 | case WIN_PACKETCMD: | |
2025 | if (!s->is_cdrom) | |
2026 | goto abort_cmd; | |
98087450 FB |
2027 | /* overlapping commands not supported */ |
2028 | if (s->feature & 0x02) | |
5391d806 | 2029 | goto abort_cmd; |
41a2b959 | 2030 | s->status = READY_STAT | SEEK_STAT; |
98087450 | 2031 | s->atapi_dma = s->feature & 1; |
5391d806 | 2032 | s->nsector = 1; |
5fafdf24 | 2033 | ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, |
5391d806 FB |
2034 | ide_atapi_cmd); |
2035 | break; | |
201a51fc AZ |
2036 | /* CF-ATA commands */ |
2037 | case CFA_REQ_EXT_ERROR_CODE: | |
2038 | if (!s->is_cf) | |
2039 | goto abort_cmd; | |
2040 | s->error = 0x09; /* miscellaneous error */ | |
41a2b959 | 2041 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 2042 | ide_set_irq(s->bus); |
201a51fc AZ |
2043 | break; |
2044 | case CFA_ERASE_SECTORS: | |
2045 | case CFA_WEAR_LEVEL: | |
2046 | if (!s->is_cf) | |
2047 | goto abort_cmd; | |
2048 | if (val == CFA_WEAR_LEVEL) | |
2049 | s->nsector = 0; | |
2050 | if (val == CFA_ERASE_SECTORS) | |
2051 | s->media_changed = 1; | |
2052 | s->error = 0x00; | |
41a2b959 | 2053 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 2054 | ide_set_irq(s->bus); |
201a51fc AZ |
2055 | break; |
2056 | case CFA_TRANSLATE_SECTOR: | |
2057 | if (!s->is_cf) | |
2058 | goto abort_cmd; | |
2059 | s->error = 0x00; | |
41a2b959 | 2060 | s->status = READY_STAT | SEEK_STAT; |
201a51fc AZ |
2061 | memset(s->io_buffer, 0, 0x200); |
2062 | s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ | |
2063 | s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ | |
2064 | s->io_buffer[0x02] = s->select; /* Head */ | |
2065 | s->io_buffer[0x03] = s->sector; /* Sector */ | |
2066 | s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ | |
2067 | s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ | |
2068 | s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ | |
2069 | s->io_buffer[0x13] = 0x00; /* Erase flag */ | |
2070 | s->io_buffer[0x18] = 0x00; /* Hot count */ | |
2071 | s->io_buffer[0x19] = 0x00; /* Hot count */ | |
2072 | s->io_buffer[0x1a] = 0x01; /* Hot count */ | |
2073 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
9cdd03a7 | 2074 | ide_set_irq(s->bus); |
201a51fc AZ |
2075 | break; |
2076 | case CFA_ACCESS_METADATA_STORAGE: | |
2077 | if (!s->is_cf) | |
2078 | goto abort_cmd; | |
2079 | switch (s->feature) { | |
2080 | case 0x02: /* Inquiry Metadata Storage */ | |
2081 | ide_cfata_metadata_inquiry(s); | |
2082 | break; | |
2083 | case 0x03: /* Read Metadata Storage */ | |
2084 | ide_cfata_metadata_read(s); | |
2085 | break; | |
2086 | case 0x04: /* Write Metadata Storage */ | |
2087 | ide_cfata_metadata_write(s); | |
2088 | break; | |
2089 | default: | |
2090 | goto abort_cmd; | |
2091 | } | |
2092 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
2093 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
9cdd03a7 | 2094 | ide_set_irq(s->bus); |
201a51fc AZ |
2095 | break; |
2096 | case IBM_SENSE_CONDITION: | |
2097 | if (!s->is_cf) | |
2098 | goto abort_cmd; | |
2099 | switch (s->feature) { | |
2100 | case 0x01: /* sense temperature in device */ | |
2101 | s->nsector = 0x50; /* +20 C */ | |
2102 | break; | |
2103 | default: | |
2104 | goto abort_cmd; | |
2105 | } | |
41a2b959 | 2106 | s->status = READY_STAT | SEEK_STAT; |
9cdd03a7 | 2107 | ide_set_irq(s->bus); |
201a51fc | 2108 | break; |
e8b54394 BW |
2109 | |
2110 | case WIN_SMART: | |
2111 | if (s->is_cdrom) | |
2112 | goto abort_cmd; | |
2113 | if (s->hcyl != 0xc2 || s->lcyl != 0x4f) | |
2114 | goto abort_cmd; | |
2115 | if (!s->smart_enabled && s->feature != SMART_ENABLE) | |
2116 | goto abort_cmd; | |
2117 | switch (s->feature) { | |
2118 | case SMART_DISABLE: | |
2119 | s->smart_enabled = 0; | |
2120 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2121 | ide_set_irq(s->bus); |
e8b54394 BW |
2122 | break; |
2123 | case SMART_ENABLE: | |
2124 | s->smart_enabled = 1; | |
2125 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2126 | ide_set_irq(s->bus); |
e8b54394 BW |
2127 | break; |
2128 | case SMART_ATTR_AUTOSAVE: | |
2129 | switch (s->sector) { | |
2130 | case 0x00: | |
2131 | s->smart_autosave = 0; | |
2132 | break; | |
2133 | case 0xf1: | |
2134 | s->smart_autosave = 1; | |
2135 | break; | |
2136 | default: | |
2137 | goto abort_cmd; | |
2138 | } | |
2139 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2140 | ide_set_irq(s->bus); |
e8b54394 BW |
2141 | break; |
2142 | case SMART_STATUS: | |
2143 | if (!s->smart_errors) { | |
2144 | s->hcyl = 0xc2; | |
2145 | s->lcyl = 0x4f; | |
2146 | } else { | |
2147 | s->hcyl = 0x2c; | |
2148 | s->lcyl = 0xf4; | |
2149 | } | |
2150 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2151 | ide_set_irq(s->bus); |
e8b54394 BW |
2152 | break; |
2153 | case SMART_READ_THRESH: | |
2154 | memset(s->io_buffer, 0, 0x200); | |
2155 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
2156 | for (n=0; n<30; n++) { | |
2157 | if (smart_attributes[n][0] == 0) | |
2158 | break; | |
2159 | s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; | |
2160 | s->io_buffer[2+1+(n*12)] = smart_attributes[n][4]; | |
2161 | } | |
2162 | for (n=0; n<511; n++) /* checksum */ | |
2163 | s->io_buffer[511] += s->io_buffer[n]; | |
2164 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
2165 | s->status = READY_STAT | SEEK_STAT; | |
2166 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
9cdd03a7 | 2167 | ide_set_irq(s->bus); |
e8b54394 BW |
2168 | break; |
2169 | case SMART_READ_DATA: | |
2170 | memset(s->io_buffer, 0, 0x200); | |
2171 | s->io_buffer[0] = 0x01; /* smart struct version */ | |
2172 | for (n=0; n<30; n++) { | |
2173 | if (smart_attributes[n][0] == 0) | |
2174 | break; | |
2175 | s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; | |
2176 | s->io_buffer[2+1+(n*12)] = smart_attributes[n][1]; | |
2177 | s->io_buffer[2+3+(n*12)] = smart_attributes[n][2]; | |
2178 | s->io_buffer[2+4+(n*12)] = smart_attributes[n][3]; | |
2179 | } | |
2180 | s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); | |
2181 | if (s->smart_selftest_count == 0) { | |
2182 | s->io_buffer[363] = 0; | |
2183 | } else { | |
2184 | s->io_buffer[363] = | |
2185 | s->smart_selftest_data[3 + | |
2186 | (s->smart_selftest_count - 1) * | |
2187 | 24]; | |
2188 | } | |
2189 | s->io_buffer[364] = 0x20; | |
2190 | s->io_buffer[365] = 0x01; | |
2191 | /* offline data collection capacity: execute + self-test*/ | |
2192 | s->io_buffer[367] = (1<<4 | 1<<3 | 1); | |
2193 | s->io_buffer[368] = 0x03; /* smart capability (1) */ | |
2194 | s->io_buffer[369] = 0x00; /* smart capability (2) */ | |
2195 | s->io_buffer[370] = 0x01; /* error logging supported */ | |
2196 | s->io_buffer[372] = 0x02; /* minutes for poll short test */ | |
2197 | s->io_buffer[373] = 0x36; /* minutes for poll ext test */ | |
2198 | s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ | |
2199 | ||
2200 | for (n=0; n<511; n++) | |
2201 | s->io_buffer[511] += s->io_buffer[n]; | |
2202 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
2203 | s->status = READY_STAT | SEEK_STAT; | |
2204 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
9cdd03a7 | 2205 | ide_set_irq(s->bus); |
e8b54394 BW |
2206 | break; |
2207 | case SMART_READ_LOG: | |
2208 | switch (s->sector) { | |
2209 | case 0x01: /* summary smart error log */ | |
2210 | memset(s->io_buffer, 0, 0x200); | |
2211 | s->io_buffer[0] = 0x01; | |
2212 | s->io_buffer[1] = 0x00; /* no error entries */ | |
2213 | s->io_buffer[452] = s->smart_errors & 0xff; | |
2214 | s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; | |
2215 | ||
2216 | for (n=0; n<511; n++) | |
2217 | s->io_buffer[511] += s->io_buffer[n]; | |
2218 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
2219 | break; | |
2220 | case 0x06: /* smart self test log */ | |
2221 | memset(s->io_buffer, 0, 0x200); | |
2222 | s->io_buffer[0] = 0x01; | |
2223 | if (s->smart_selftest_count == 0) { | |
2224 | s->io_buffer[508] = 0; | |
2225 | } else { | |
2226 | s->io_buffer[508] = s->smart_selftest_count; | |
2227 | for (n=2; n<506; n++) | |
2228 | s->io_buffer[n] = s->smart_selftest_data[n]; | |
2229 | } | |
2230 | for (n=0; n<511; n++) | |
2231 | s->io_buffer[511] += s->io_buffer[n]; | |
2232 | s->io_buffer[511] = 0x100 - s->io_buffer[511]; | |
2233 | break; | |
2234 | default: | |
2235 | goto abort_cmd; | |
2236 | } | |
2237 | s->status = READY_STAT | SEEK_STAT; | |
2238 | ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); | |
9cdd03a7 | 2239 | ide_set_irq(s->bus); |
e8b54394 BW |
2240 | break; |
2241 | case SMART_EXECUTE_OFFLINE: | |
2242 | switch (s->sector) { | |
2243 | case 0: /* off-line routine */ | |
2244 | case 1: /* short self test */ | |
2245 | case 2: /* extended self test */ | |
2246 | s->smart_selftest_count++; | |
2247 | if(s->smart_selftest_count > 21) | |
2248 | s->smart_selftest_count = 0; | |
2249 | n = 2 + (s->smart_selftest_count - 1) * 24; | |
2250 | s->smart_selftest_data[n] = s->sector; | |
2251 | s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ | |
2252 | s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ | |
2253 | s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ | |
2254 | s->status = READY_STAT | SEEK_STAT; | |
9cdd03a7 | 2255 | ide_set_irq(s->bus); |
e8b54394 BW |
2256 | break; |
2257 | default: | |
2258 | goto abort_cmd; | |
2259 | } | |
2260 | break; | |
2261 | default: | |
2262 | goto abort_cmd; | |
2263 | } | |
2264 | break; | |
5391d806 FB |
2265 | default: |
2266 | abort_cmd: | |
2267 | ide_abort_command(s); | |
9cdd03a7 | 2268 | ide_set_irq(s->bus); |
5391d806 FB |
2269 | break; |
2270 | } | |
2271 | } | |
2272 | } | |
2273 | ||
356721ae | 2274 | uint32_t ide_ioport_read(void *opaque, uint32_t addr1) |
5391d806 | 2275 | { |
bcbdc4d3 GH |
2276 | IDEBus *bus = opaque; |
2277 | IDEState *s = idebus_active_if(bus); | |
5391d806 | 2278 | uint32_t addr; |
c2ff060f | 2279 | int ret, hob; |
5391d806 FB |
2280 | |
2281 | addr = addr1 & 7; | |
c2ff060f FB |
2282 | /* FIXME: HOB readback uses bit 7, but it's always set right now */ |
2283 | //hob = s->select & (1 << 7); | |
2284 | hob = 0; | |
5391d806 FB |
2285 | switch(addr) { |
2286 | case 0: | |
2287 | ret = 0xff; | |
2288 | break; | |
2289 | case 1: | |
bcbdc4d3 GH |
2290 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2291 | (s != bus->ifs && !s->bs)) | |
c45c3d00 | 2292 | ret = 0; |
c2ff060f | 2293 | else if (!hob) |
c45c3d00 | 2294 | ret = s->error; |
c2ff060f FB |
2295 | else |
2296 | ret = s->hob_feature; | |
5391d806 FB |
2297 | break; |
2298 | case 2: | |
bcbdc4d3 | 2299 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2300 | ret = 0; |
c2ff060f | 2301 | else if (!hob) |
c45c3d00 | 2302 | ret = s->nsector & 0xff; |
c2ff060f FB |
2303 | else |
2304 | ret = s->hob_nsector; | |
5391d806 FB |
2305 | break; |
2306 | case 3: | |
bcbdc4d3 | 2307 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2308 | ret = 0; |
c2ff060f | 2309 | else if (!hob) |
c45c3d00 | 2310 | ret = s->sector; |
c2ff060f FB |
2311 | else |
2312 | ret = s->hob_sector; | |
5391d806 FB |
2313 | break; |
2314 | case 4: | |
bcbdc4d3 | 2315 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2316 | ret = 0; |
c2ff060f | 2317 | else if (!hob) |
c45c3d00 | 2318 | ret = s->lcyl; |
c2ff060f FB |
2319 | else |
2320 | ret = s->hob_lcyl; | |
5391d806 FB |
2321 | break; |
2322 | case 5: | |
bcbdc4d3 | 2323 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 | 2324 | ret = 0; |
c2ff060f | 2325 | else if (!hob) |
c45c3d00 | 2326 | ret = s->hcyl; |
c2ff060f FB |
2327 | else |
2328 | ret = s->hob_hcyl; | |
5391d806 FB |
2329 | break; |
2330 | case 6: | |
bcbdc4d3 | 2331 | if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
c45c3d00 FB |
2332 | ret = 0; |
2333 | else | |
7ae98627 | 2334 | ret = s->select; |
5391d806 FB |
2335 | break; |
2336 | default: | |
2337 | case 7: | |
bcbdc4d3 GH |
2338 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2339 | (s != bus->ifs && !s->bs)) | |
c45c3d00 FB |
2340 | ret = 0; |
2341 | else | |
2342 | ret = s->status; | |
9cdd03a7 | 2343 | qemu_irq_lower(bus->irq); |
5391d806 FB |
2344 | break; |
2345 | } | |
2346 | #ifdef DEBUG_IDE | |
2347 | printf("ide: read addr=0x%x val=%02x\n", addr1, ret); | |
2348 | #endif | |
2349 | return ret; | |
2350 | } | |
2351 | ||
356721ae | 2352 | uint32_t ide_status_read(void *opaque, uint32_t addr) |
5391d806 | 2353 | { |
bcbdc4d3 GH |
2354 | IDEBus *bus = opaque; |
2355 | IDEState *s = idebus_active_if(bus); | |
5391d806 | 2356 | int ret; |
7ae98627 | 2357 | |
bcbdc4d3 GH |
2358 | if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2359 | (s != bus->ifs && !s->bs)) | |
7ae98627 FB |
2360 | ret = 0; |
2361 | else | |
2362 | ret = s->status; | |
5391d806 FB |
2363 | #ifdef DEBUG_IDE |
2364 | printf("ide: read status addr=0x%x val=%02x\n", addr, ret); | |
2365 | #endif | |
2366 | return ret; | |
2367 | } | |
2368 | ||
356721ae | 2369 | void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) |
5391d806 | 2370 | { |
bcbdc4d3 | 2371 | IDEBus *bus = opaque; |
5391d806 FB |
2372 | IDEState *s; |
2373 | int i; | |
2374 | ||
2375 | #ifdef DEBUG_IDE | |
2376 | printf("ide: write control addr=0x%x val=%02x\n", addr, val); | |
2377 | #endif | |
2378 | /* common for both drives */ | |
9cdd03a7 | 2379 | if (!(bus->cmd & IDE_CMD_RESET) && |
5391d806 FB |
2380 | (val & IDE_CMD_RESET)) { |
2381 | /* reset low to high */ | |
2382 | for(i = 0;i < 2; i++) { | |
bcbdc4d3 | 2383 | s = &bus->ifs[i]; |
5391d806 FB |
2384 | s->status = BUSY_STAT | SEEK_STAT; |
2385 | s->error = 0x01; | |
2386 | } | |
9cdd03a7 | 2387 | } else if ((bus->cmd & IDE_CMD_RESET) && |
5391d806 FB |
2388 | !(val & IDE_CMD_RESET)) { |
2389 | /* high to low */ | |
2390 | for(i = 0;i < 2; i++) { | |
bcbdc4d3 | 2391 | s = &bus->ifs[i]; |
6b136f9e FB |
2392 | if (s->is_cdrom) |
2393 | s->status = 0x00; /* NOTE: READY is _not_ set */ | |
2394 | else | |
56bf1d37 | 2395 | s->status = READY_STAT | SEEK_STAT; |
5391d806 FB |
2396 | ide_set_signature(s); |
2397 | } | |
2398 | } | |
2399 | ||
9cdd03a7 | 2400 | bus->cmd = val; |
5391d806 FB |
2401 | } |
2402 | ||
356721ae | 2403 | void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) |
5391d806 | 2404 | { |
bcbdc4d3 GH |
2405 | IDEBus *bus = opaque; |
2406 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2407 | uint8_t *p; |
2408 | ||
fcdd25ab AL |
2409 | /* PIO data access allowed only when DRQ bit is set */ |
2410 | if (!(s->status & DRQ_STAT)) | |
2411 | return; | |
2412 | ||
5391d806 | 2413 | p = s->data_ptr; |
0c4ad8dc | 2414 | *(uint16_t *)p = le16_to_cpu(val); |
5391d806 FB |
2415 | p += 2; |
2416 | s->data_ptr = p; | |
2417 | if (p >= s->data_end) | |
2418 | s->end_transfer_func(s); | |
2419 | } | |
2420 | ||
356721ae | 2421 | uint32_t ide_data_readw(void *opaque, uint32_t addr) |
5391d806 | 2422 | { |
bcbdc4d3 GH |
2423 | IDEBus *bus = opaque; |
2424 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2425 | uint8_t *p; |
2426 | int ret; | |
fcdd25ab AL |
2427 | |
2428 | /* PIO data access allowed only when DRQ bit is set */ | |
2429 | if (!(s->status & DRQ_STAT)) | |
2430 | return 0; | |
2431 | ||
5391d806 | 2432 | p = s->data_ptr; |
0c4ad8dc | 2433 | ret = cpu_to_le16(*(uint16_t *)p); |
5391d806 FB |
2434 | p += 2; |
2435 | s->data_ptr = p; | |
2436 | if (p >= s->data_end) | |
2437 | s->end_transfer_func(s); | |
2438 | return ret; | |
2439 | } | |
2440 | ||
356721ae | 2441 | void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) |
5391d806 | 2442 | { |
bcbdc4d3 GH |
2443 | IDEBus *bus = opaque; |
2444 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2445 | uint8_t *p; |
2446 | ||
fcdd25ab AL |
2447 | /* PIO data access allowed only when DRQ bit is set */ |
2448 | if (!(s->status & DRQ_STAT)) | |
2449 | return; | |
2450 | ||
5391d806 | 2451 | p = s->data_ptr; |
0c4ad8dc | 2452 | *(uint32_t *)p = le32_to_cpu(val); |
5391d806 FB |
2453 | p += 4; |
2454 | s->data_ptr = p; | |
2455 | if (p >= s->data_end) | |
2456 | s->end_transfer_func(s); | |
2457 | } | |
2458 | ||
356721ae | 2459 | uint32_t ide_data_readl(void *opaque, uint32_t addr) |
5391d806 | 2460 | { |
bcbdc4d3 GH |
2461 | IDEBus *bus = opaque; |
2462 | IDEState *s = idebus_active_if(bus); | |
5391d806 FB |
2463 | uint8_t *p; |
2464 | int ret; | |
3b46e624 | 2465 | |
fcdd25ab AL |
2466 | /* PIO data access allowed only when DRQ bit is set */ |
2467 | if (!(s->status & DRQ_STAT)) | |
2468 | return 0; | |
2469 | ||
5391d806 | 2470 | p = s->data_ptr; |
0c4ad8dc | 2471 | ret = cpu_to_le32(*(uint32_t *)p); |
5391d806 FB |
2472 | p += 4; |
2473 | s->data_ptr = p; | |
2474 | if (p >= s->data_end) | |
2475 | s->end_transfer_func(s); | |
2476 | return ret; | |
2477 | } | |
2478 | ||
a7dfe172 FB |
2479 | static void ide_dummy_transfer_stop(IDEState *s) |
2480 | { | |
2481 | s->data_ptr = s->io_buffer; | |
2482 | s->data_end = s->io_buffer; | |
2483 | s->io_buffer[0] = 0xff; | |
2484 | s->io_buffer[1] = 0xff; | |
2485 | s->io_buffer[2] = 0xff; | |
2486 | s->io_buffer[3] = 0xff; | |
2487 | } | |
2488 | ||
356721ae | 2489 | void ide_reset(IDEState *s) |
5391d806 | 2490 | { |
bcbdc4d3 GH |
2491 | IDEBus *bus = s->bus; |
2492 | ||
201a51fc AZ |
2493 | if (s->is_cf) |
2494 | s->mult_sectors = 0; | |
2495 | else | |
2496 | s->mult_sectors = MAX_MULT_SECTORS; | |
bcbdc4d3 | 2497 | bus->unit = s->unit; |
5391d806 | 2498 | s->select = 0xa0; |
41a2b959 | 2499 | s->status = READY_STAT | SEEK_STAT; |
5391d806 | 2500 | ide_set_signature(s); |
a7dfe172 FB |
2501 | /* init the transfer handler so that 0xffff is returned on data |
2502 | accesses */ | |
2503 | s->end_transfer_func = ide_dummy_transfer_stop; | |
2504 | ide_dummy_transfer_stop(s); | |
201a51fc | 2505 | s->media_changed = 0; |
5391d806 FB |
2506 | } |
2507 | ||
f455e98c | 2508 | void ide_init2(IDEBus *bus, DriveInfo *hd0, DriveInfo *hd1, |
356721ae | 2509 | qemu_irq irq) |
5391d806 | 2510 | { |
69b91039 | 2511 | IDEState *s; |
aedf5382 | 2512 | static int drive_serial = 1; |
f3d54fc4 | 2513 | int i, cylinders, heads, secs; |
96b8f136 | 2514 | uint64_t nb_sectors; |
5391d806 | 2515 | |
caed8802 | 2516 | for(i = 0; i < 2; i++) { |
bcbdc4d3 GH |
2517 | s = bus->ifs + i; |
2518 | s->bus = bus; | |
2519 | s->unit = i; | |
f455e98c GH |
2520 | if (i == 0 && hd0) |
2521 | s->bs = hd0->bdrv; | |
2522 | if (i == 1 && hd1) | |
2523 | s->bs = hd1->bdrv; | |
e268ca52 | 2524 | s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4); |
5391d806 FB |
2525 | if (s->bs) { |
2526 | bdrv_get_geometry(s->bs, &nb_sectors); | |
f3d54fc4 AL |
2527 | bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs); |
2528 | s->cylinders = cylinders; | |
2529 | s->heads = heads; | |
2530 | s->sectors = secs; | |
5391d806 | 2531 | s->nb_sectors = nb_sectors; |
e8b54394 BW |
2532 | /* The SMART values should be preserved across power cycles |
2533 | but they aren't. */ | |
2534 | s->smart_enabled = 1; | |
2535 | s->smart_autosave = 1; | |
2536 | s->smart_errors = 0; | |
2537 | s->smart_selftest_count = 0; | |
2538 | s->smart_selftest_data = qemu_blockalign(s->bs, 512); | |
caed8802 FB |
2539 | if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) { |
2540 | s->is_cdrom = 1; | |
bd491d6a | 2541 | bdrv_set_change_cb(s->bs, cdrom_change_cb, s); |
5391d806 FB |
2542 | } |
2543 | } | |
aedf5382 | 2544 | s->drive_serial = drive_serial++; |
fa879c64 AL |
2545 | strncpy(s->drive_serial_str, drive_get_serial(s->bs), |
2546 | sizeof(s->drive_serial_str)); | |
2547 | if (strlen(s->drive_serial_str) == 0) | |
2548 | snprintf(s->drive_serial_str, sizeof(s->drive_serial_str), | |
2549 | "QM%05d", s->drive_serial); | |
5fafdf24 | 2550 | s->sector_write_timer = qemu_new_timer(vm_clock, |
a09db21f | 2551 | ide_sector_write_timer_cb, s); |
5391d806 FB |
2552 | ide_reset(s); |
2553 | } | |
9cdd03a7 | 2554 | bus->irq = irq; |
69b91039 FB |
2555 | } |
2556 | ||
356721ae | 2557 | void ide_init_ioport(IDEBus *bus, int iobase, int iobase2) |
69b91039 | 2558 | { |
bcbdc4d3 GH |
2559 | register_ioport_write(iobase, 8, 1, ide_ioport_write, bus); |
2560 | register_ioport_read(iobase, 8, 1, ide_ioport_read, bus); | |
caed8802 | 2561 | if (iobase2) { |
bcbdc4d3 GH |
2562 | register_ioport_read(iobase2, 1, 1, ide_status_read, bus); |
2563 | register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus); | |
5391d806 | 2564 | } |
3b46e624 | 2565 | |
caed8802 | 2566 | /* data ports */ |
bcbdc4d3 GH |
2567 | register_ioport_write(iobase, 2, 2, ide_data_writew, bus); |
2568 | register_ioport_read(iobase, 2, 2, ide_data_readw, bus); | |
2569 | register_ioport_write(iobase, 4, 4, ide_data_writel, bus); | |
2570 | register_ioport_read(iobase, 4, 4, ide_data_readl, bus); | |
5391d806 | 2571 | } |
69b91039 | 2572 | |
aa941b94 | 2573 | /* save per IDE drive data */ |
356721ae | 2574 | void ide_save(QEMUFile* f, IDEState *s) |
aa941b94 | 2575 | { |
bee8d684 TS |
2576 | qemu_put_be32(f, s->mult_sectors); |
2577 | qemu_put_be32(f, s->identify_set); | |
aa941b94 AZ |
2578 | if (s->identify_set) { |
2579 | qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512); | |
2580 | } | |
2581 | qemu_put_8s(f, &s->feature); | |
2582 | qemu_put_8s(f, &s->error); | |
2583 | qemu_put_be32s(f, &s->nsector); | |
2584 | qemu_put_8s(f, &s->sector); | |
2585 | qemu_put_8s(f, &s->lcyl); | |
2586 | qemu_put_8s(f, &s->hcyl); | |
2587 | qemu_put_8s(f, &s->hob_feature); | |
2588 | qemu_put_8s(f, &s->hob_nsector); | |
2589 | qemu_put_8s(f, &s->hob_sector); | |
2590 | qemu_put_8s(f, &s->hob_lcyl); | |
2591 | qemu_put_8s(f, &s->hob_hcyl); | |
2592 | qemu_put_8s(f, &s->select); | |
2593 | qemu_put_8s(f, &s->status); | |
2594 | qemu_put_8s(f, &s->lba48); | |
2595 | ||
2596 | qemu_put_8s(f, &s->sense_key); | |
2597 | qemu_put_8s(f, &s->asc); | |
0bf5e443 | 2598 | qemu_put_8s(f, &s->cdrom_changed); |
aa941b94 AZ |
2599 | /* XXX: if a transfer is pending, we do not save it yet */ |
2600 | } | |
2601 | ||
2602 | /* load per IDE drive data */ | |
356721ae | 2603 | void ide_load(QEMUFile* f, IDEState *s, int version_id) |
aa941b94 | 2604 | { |
bee8d684 TS |
2605 | s->mult_sectors=qemu_get_be32(f); |
2606 | s->identify_set=qemu_get_be32(f); | |
aa941b94 AZ |
2607 | if (s->identify_set) { |
2608 | qemu_get_buffer(f, (uint8_t *)s->identify_data, 512); | |
2609 | } | |
2610 | qemu_get_8s(f, &s->feature); | |
2611 | qemu_get_8s(f, &s->error); | |
2612 | qemu_get_be32s(f, &s->nsector); | |
2613 | qemu_get_8s(f, &s->sector); | |
2614 | qemu_get_8s(f, &s->lcyl); | |
2615 | qemu_get_8s(f, &s->hcyl); | |
2616 | qemu_get_8s(f, &s->hob_feature); | |
2617 | qemu_get_8s(f, &s->hob_nsector); | |
2618 | qemu_get_8s(f, &s->hob_sector); | |
2619 | qemu_get_8s(f, &s->hob_lcyl); | |
2620 | qemu_get_8s(f, &s->hob_hcyl); | |
2621 | qemu_get_8s(f, &s->select); | |
2622 | qemu_get_8s(f, &s->status); | |
2623 | qemu_get_8s(f, &s->lba48); | |
2624 | ||
2625 | qemu_get_8s(f, &s->sense_key); | |
2626 | qemu_get_8s(f, &s->asc); | |
93c8cfd9 GN |
2627 | if (version_id == 3) { |
2628 | qemu_get_8s(f, &s->cdrom_changed); | |
2629 | } else { | |
2630 | if (s->sense_key == SENSE_UNIT_ATTENTION && | |
2631 | s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) | |
2632 | s->cdrom_changed = 1; | |
2633 | } | |
aa941b94 AZ |
2634 | /* XXX: if a transfer is pending, we do not save it yet */ |
2635 | } | |
2636 | ||
356721ae | 2637 | void idebus_save(QEMUFile* f, IDEBus *bus) |
bcbdc4d3 | 2638 | { |
9cdd03a7 | 2639 | qemu_put_8s(f, &bus->cmd); |
bcbdc4d3 GH |
2640 | qemu_put_8s(f, &bus->unit); |
2641 | } | |
2642 | ||
356721ae | 2643 | void idebus_load(QEMUFile* f, IDEBus *bus, int version_id) |
bcbdc4d3 | 2644 | { |
9cdd03a7 | 2645 | qemu_get_8s(f, &bus->cmd); |
bcbdc4d3 | 2646 | qemu_get_8s(f, &bus->unit); |
bcbdc4d3 GH |
2647 | } |
2648 | ||
69b91039 FB |
2649 | /***********************************************************/ |
2650 | /* PCI IDE definitions */ | |
2651 | ||
8ccad811 | 2652 | static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb) |
98087450 | 2653 | { |
bcbdc4d3 | 2654 | BMDMAState *bm = s->bus->bmdma; |
98087450 FB |
2655 | if(!bm) |
2656 | return; | |
bcbdc4d3 | 2657 | bm->unit = s->unit; |
98087450 | 2658 | bm->dma_cb = dma_cb; |
8ccad811 FB |
2659 | bm->cur_prd_last = 0; |
2660 | bm->cur_prd_addr = 0; | |
2661 | bm->cur_prd_len = 0; | |
428c5705 AL |
2662 | bm->sector_num = ide_get_sector(s); |
2663 | bm->nsector = s->nsector; | |
98087450 | 2664 | if (bm->status & BM_STATUS_DMAING) { |
8ccad811 | 2665 | bm->dma_cb(bm, 0); |
98087450 FB |
2666 | } |
2667 | } | |
2668 | ||
428c5705 AL |
2669 | static void ide_dma_restart(IDEState *s) |
2670 | { | |
bcbdc4d3 | 2671 | BMDMAState *bm = s->bus->bmdma; |
428c5705 AL |
2672 | ide_set_sector(s, bm->sector_num); |
2673 | s->io_buffer_index = 0; | |
2674 | s->io_buffer_size = 0; | |
2675 | s->nsector = bm->nsector; | |
2676 | bm->cur_addr = bm->addr; | |
2677 | bm->dma_cb = ide_write_dma_cb; | |
2678 | ide_dma_start(s, bm->dma_cb); | |
2679 | } | |
2680 | ||
356721ae | 2681 | void ide_dma_cancel(BMDMAState *bm) |
72c7b06c AL |
2682 | { |
2683 | if (bm->status & BM_STATUS_DMAING) { | |
2684 | bm->status &= ~BM_STATUS_DMAING; | |
2685 | /* cancel DMA request */ | |
bcbdc4d3 | 2686 | bm->unit = -1; |
72c7b06c AL |
2687 | bm->dma_cb = NULL; |
2688 | if (bm->aiocb) { | |
2689 | #ifdef DEBUG_AIO | |
2690 | printf("aio_cancel\n"); | |
2691 | #endif | |
2692 | bdrv_aio_cancel(bm->aiocb); | |
2693 | bm->aiocb = NULL; | |
2694 | } | |
2695 | } | |
2696 | } | |
2697 |