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Commit | Line | Data |
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2e5d83bb PB |
1 | /* |
2 | * SCSI Device emulation | |
3 | * | |
4 | * Copyright (c) 2006 CodeSourcery. | |
5 | * Based on code by Fabrice Bellard | |
6 | * | |
7 | * Written by Paul Brook | |
ad3cea42 AT |
8 | * Modifications: |
9 | * 2009-Dec-12 Artyom Tarasenko : implemented stamdard inquiry for the case | |
10 | * when the allocation length of CDB is smaller | |
11 | * than 36. | |
12 | * 2009-Oct-13 Artyom Tarasenko : implemented the block descriptor in the | |
13 | * MODE SENSE response. | |
2e5d83bb | 14 | * |
8e31bf38 | 15 | * This code is licensed under the LGPL. |
a917d384 PB |
16 | * |
17 | * Note that this file only handles the SCSI architecture model and device | |
1d4db89c AZ |
18 | * commands. Emulation of interface/link layer protocols is handled by |
19 | * the host adapter emulator. | |
2e5d83bb PB |
20 | */ |
21 | ||
22 | //#define DEBUG_SCSI | |
23 | ||
24 | #ifdef DEBUG_SCSI | |
001faf32 BS |
25 | #define DPRINTF(fmt, ...) \ |
26 | do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0) | |
2e5d83bb | 27 | #else |
001faf32 | 28 | #define DPRINTF(fmt, ...) do {} while(0) |
2e5d83bb PB |
29 | #endif |
30 | ||
001faf32 BS |
31 | #define BADF(fmt, ...) \ |
32 | do { fprintf(stderr, "scsi-disk: " fmt , ## __VA_ARGS__); } while (0) | |
2e5d83bb | 33 | |
87ecb68b | 34 | #include "qemu-common.h" |
2f792016 | 35 | #include "qemu-error.h" |
43b443b6 | 36 | #include "scsi.h" |
0d65e1f8 | 37 | #include "scsi-defs.h" |
666daa68 | 38 | #include "sysemu.h" |
2446333c | 39 | #include "blockdev.h" |
d1a0739d | 40 | #include "block_int.h" |
5d0d2467 | 41 | #include "dma.h" |
22864256 | 42 | |
336a6915 PB |
43 | #ifdef __linux |
44 | #include <scsi/sg.h> | |
45 | #endif | |
46 | ||
f0f72ffe | 47 | #define SCSI_DMA_BUF_SIZE 131072 |
57575058 | 48 | #define SCSI_MAX_INQUIRY_LEN 256 |
a917d384 | 49 | |
d52affa7 GH |
50 | typedef struct SCSIDiskState SCSIDiskState; |
51 | ||
4c41d2ef GH |
52 | typedef struct SCSIDiskReq { |
53 | SCSIRequest req; | |
a917d384 | 54 | /* Both sector and sector_count are in terms of qemu 512 byte blocks. */ |
e035b43d AL |
55 | uint64_t sector; |
56 | uint32_t sector_count; | |
7285477a | 57 | uint32_t buflen; |
c87c0672 AL |
58 | struct iovec iov; |
59 | QEMUIOVector qiov; | |
a597e79c | 60 | BlockAcctCookie acct; |
4c41d2ef | 61 | } SCSIDiskReq; |
a917d384 | 62 | |
d52affa7 | 63 | struct SCSIDiskState |
a917d384 | 64 | { |
d52affa7 | 65 | SCSIDevice qdev; |
419e691f | 66 | uint32_t removable; |
8a9c16f6 | 67 | bool media_changed; |
3c2f7c12 | 68 | bool media_event; |
4480de19 | 69 | bool eject_request; |
213189ab | 70 | QEMUBH *bh; |
383b4d9b | 71 | char *version; |
a0fef654 | 72 | char *serial; |
ece0d5e9 | 73 | bool tray_open; |
81b1008d | 74 | bool tray_locked; |
2e5d83bb PB |
75 | }; |
76 | ||
71544d30 | 77 | static int scsi_handle_rw_error(SCSIDiskReq *r, int error); |
5dba48a8 | 78 | |
ad2d30f7 | 79 | static void scsi_free_request(SCSIRequest *req) |
4d611c9a | 80 | { |
ad2d30f7 PB |
81 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
82 | ||
7285477a PB |
83 | if (r->iov.iov_base) { |
84 | qemu_vfree(r->iov.iov_base); | |
85 | } | |
4d611c9a PB |
86 | } |
87 | ||
b45ef674 PB |
88 | /* Helper function for command completion with sense. */ |
89 | static void scsi_check_condition(SCSIDiskReq *r, SCSISense sense) | |
ed3a34a3 | 90 | { |
02fa69b6 BS |
91 | DPRINTF("Command complete tag=0x%x sense=%d/%d/%d\n", |
92 | r->req.tag, sense.key, sense.asc, sense.ascq); | |
b45ef674 PB |
93 | scsi_req_build_sense(&r->req, sense); |
94 | scsi_req_complete(&r->req, CHECK_CONDITION); | |
4d611c9a PB |
95 | } |
96 | ||
97 | /* Cancel a pending data transfer. */ | |
5c6c0e51 | 98 | static void scsi_cancel_io(SCSIRequest *req) |
4d611c9a | 99 | { |
5c6c0e51 HR |
100 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
101 | ||
102 | DPRINTF("Cancel tag=0x%x\n", req->tag); | |
103 | if (r->req.aiocb) { | |
104 | bdrv_aio_cancel(r->req.aiocb); | |
c7bae6a7 PB |
105 | |
106 | /* This reference was left in by scsi_*_data. We take ownership of | |
107 | * it the moment scsi_req_cancel is called, independent of whether | |
108 | * bdrv_aio_cancel completes the request or not. */ | |
109 | scsi_req_unref(&r->req); | |
a917d384 | 110 | } |
5c6c0e51 | 111 | r->req.aiocb = NULL; |
a917d384 PB |
112 | } |
113 | ||
103b40f5 PB |
114 | static uint32_t scsi_init_iovec(SCSIDiskReq *r) |
115 | { | |
7285477a PB |
116 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
117 | ||
118 | if (!r->iov.iov_base) { | |
119 | r->buflen = SCSI_DMA_BUF_SIZE; | |
44740c38 | 120 | r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen); |
7285477a PB |
121 | } |
122 | r->iov.iov_len = MIN(r->sector_count * 512, r->buflen); | |
103b40f5 PB |
123 | qemu_iovec_init_external(&r->qiov, &r->iov, 1); |
124 | return r->qiov.size / 512; | |
125 | } | |
126 | ||
5d0d2467 PB |
127 | static void scsi_dma_complete(void *opaque, int ret) |
128 | { | |
129 | SCSIDiskReq *r = (SCSIDiskReq *)opaque; | |
130 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); | |
131 | ||
132 | bdrv_acct_done(s->qdev.conf.bs, &r->acct); | |
133 | ||
134 | if (ret) { | |
135 | if (scsi_handle_rw_error(r, -ret)) { | |
136 | goto done; | |
137 | } | |
138 | } | |
139 | ||
140 | r->sector += r->sector_count; | |
141 | r->sector_count = 0; | |
142 | scsi_req_complete(&r->req, GOOD); | |
143 | ||
144 | done: | |
145 | scsi_req_unref(&r->req); | |
146 | } | |
147 | ||
a917d384 PB |
148 | static void scsi_read_complete(void * opaque, int ret) |
149 | { | |
4c41d2ef | 150 | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
a597e79c | 151 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
5dba48a8 | 152 | int n; |
a917d384 | 153 | |
8e321cc6 PB |
154 | if (r->req.aiocb != NULL) { |
155 | r->req.aiocb = NULL; | |
44740c38 | 156 | bdrv_acct_done(s->qdev.conf.bs, &r->acct); |
8e321cc6 | 157 | } |
a597e79c | 158 | |
a917d384 | 159 | if (ret) { |
71544d30 | 160 | if (scsi_handle_rw_error(r, -ret)) { |
c7bae6a7 | 161 | goto done; |
5dba48a8 | 162 | } |
4d611c9a | 163 | } |
5dba48a8 | 164 | |
103b40f5 | 165 | DPRINTF("Data ready tag=0x%x len=%zd\n", r->req.tag, r->qiov.size); |
a917d384 | 166 | |
103b40f5 | 167 | n = r->qiov.size / 512; |
5dba48a8 KW |
168 | r->sector += n; |
169 | r->sector_count -= n; | |
103b40f5 | 170 | scsi_req_data(&r->req, r->qiov.size); |
c7bae6a7 PB |
171 | |
172 | done: | |
173 | if (!r->req.io_canceled) { | |
174 | scsi_req_unref(&r->req); | |
175 | } | |
4d611c9a PB |
176 | } |
177 | ||
0a4ac106 PB |
178 | static void scsi_flush_complete(void * opaque, int ret) |
179 | { | |
180 | SCSIDiskReq *r = (SCSIDiskReq *)opaque; | |
181 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); | |
182 | ||
183 | if (r->req.aiocb != NULL) { | |
184 | r->req.aiocb = NULL; | |
44740c38 | 185 | bdrv_acct_done(s->qdev.conf.bs, &r->acct); |
0a4ac106 PB |
186 | } |
187 | ||
188 | if (ret < 0) { | |
71544d30 | 189 | if (scsi_handle_rw_error(r, -ret)) { |
c7bae6a7 | 190 | goto done; |
0a4ac106 PB |
191 | } |
192 | } | |
193 | ||
194 | scsi_req_complete(&r->req, GOOD); | |
c7bae6a7 PB |
195 | |
196 | done: | |
197 | if (!r->req.io_canceled) { | |
198 | scsi_req_unref(&r->req); | |
199 | } | |
0a4ac106 | 200 | } |
5dba48a8 | 201 | |
5c6c0e51 HR |
202 | /* Read more data from scsi device into buffer. */ |
203 | static void scsi_read_data(SCSIRequest *req) | |
2e5d83bb | 204 | { |
5c6c0e51 | 205 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
5dba48a8 | 206 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
2e5d83bb PB |
207 | uint32_t n; |
208 | ||
a917d384 | 209 | if (r->sector_count == (uint32_t)-1) { |
aa2b1e89 | 210 | DPRINTF("Read buf_len=%zd\n", r->iov.iov_len); |
a917d384 | 211 | r->sector_count = 0; |
ab9adc88 | 212 | scsi_req_data(&r->req, r->iov.iov_len); |
a917d384 | 213 | return; |
2e5d83bb | 214 | } |
a917d384 PB |
215 | DPRINTF("Read sector_count=%d\n", r->sector_count); |
216 | if (r->sector_count == 0) { | |
b45ef674 PB |
217 | /* This also clears the sense buffer for REQUEST SENSE. */ |
218 | scsi_req_complete(&r->req, GOOD); | |
a917d384 | 219 | return; |
2e5d83bb PB |
220 | } |
221 | ||
6fa2c95f SH |
222 | /* No data transfer may already be in progress */ |
223 | assert(r->req.aiocb == NULL); | |
224 | ||
c7bae6a7 PB |
225 | /* The request is used as the AIO opaque value, so add a ref. */ |
226 | scsi_req_ref(&r->req); | |
efb9ee02 HR |
227 | if (r->req.cmd.mode == SCSI_XFER_TO_DEV) { |
228 | DPRINTF("Data transfer direction invalid\n"); | |
229 | scsi_read_complete(r, -EINVAL); | |
230 | return; | |
231 | } | |
232 | ||
a1aff5bf MA |
233 | if (s->tray_open) { |
234 | scsi_read_complete(r, -ENOMEDIUM); | |
c7bae6a7 | 235 | return; |
a1aff5bf | 236 | } |
c7bae6a7 | 237 | |
5d0d2467 PB |
238 | if (r->req.sg) { |
239 | dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BDRV_ACCT_READ); | |
240 | r->req.resid -= r->req.sg->size; | |
241 | r->req.aiocb = dma_bdrv_read(s->qdev.conf.bs, r->req.sg, r->sector, | |
242 | scsi_dma_complete, r); | |
243 | } else { | |
244 | n = scsi_init_iovec(r); | |
245 | bdrv_acct_start(s->qdev.conf.bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); | |
246 | r->req.aiocb = bdrv_aio_readv(s->qdev.conf.bs, r->sector, &r->qiov, n, | |
247 | scsi_read_complete, r); | |
248 | } | |
2e5d83bb PB |
249 | } |
250 | ||
c7bae6a7 PB |
251 | /* |
252 | * scsi_handle_rw_error has two return values. 0 means that the error | |
253 | * must be ignored, 1 means that the error has been processed and the | |
254 | * caller should not do anything else for this request. Note that | |
255 | * scsi_handle_rw_error always manages its reference counts, independent | |
256 | * of the return value. | |
257 | */ | |
71544d30 | 258 | static int scsi_handle_rw_error(SCSIDiskReq *r, int error) |
5dba48a8 | 259 | { |
71544d30 | 260 | int is_read = (r->req.cmd.xfer == SCSI_XFER_FROM_DEV); |
4c41d2ef | 261 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
44740c38 | 262 | BlockErrorAction action = bdrv_get_on_error(s->qdev.conf.bs, is_read); |
ea8a5d7f | 263 | |
380f640f | 264 | if (action == BLOCK_ERR_IGNORE) { |
44740c38 | 265 | bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_IGNORE, is_read); |
ea8a5d7f | 266 | return 0; |
380f640f | 267 | } |
ea8a5d7f AL |
268 | |
269 | if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) | |
270 | || action == BLOCK_ERR_STOP_ANY) { | |
5dba48a8 | 271 | |
44740c38 | 272 | bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_STOP, is_read); |
0461d5a6 | 273 | vm_stop(RUN_STATE_IO_ERROR); |
44740c38 | 274 | bdrv_iostatus_set_err(s->qdev.conf.bs, error); |
71544d30 | 275 | scsi_req_retry(&r->req); |
ea8a5d7f | 276 | } else { |
efb9ee02 | 277 | switch (error) { |
7e218df5 PB |
278 | case ENOMEDIUM: |
279 | scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); | |
280 | break; | |
efb9ee02 | 281 | case ENOMEM: |
b45ef674 | 282 | scsi_check_condition(r, SENSE_CODE(TARGET_FAILURE)); |
efb9ee02 HR |
283 | break; |
284 | case EINVAL: | |
b45ef674 | 285 | scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); |
efb9ee02 HR |
286 | break; |
287 | default: | |
b45ef674 | 288 | scsi_check_condition(r, SENSE_CODE(IO_ERROR)); |
efb9ee02 | 289 | break; |
a1f0cce2 | 290 | } |
44740c38 | 291 | bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_REPORT, is_read); |
ea8a5d7f | 292 | } |
ea8a5d7f AL |
293 | return 1; |
294 | } | |
295 | ||
4d611c9a PB |
296 | static void scsi_write_complete(void * opaque, int ret) |
297 | { | |
4c41d2ef | 298 | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
a597e79c | 299 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
ea8a5d7f AL |
300 | uint32_t n; |
301 | ||
8e321cc6 PB |
302 | if (r->req.aiocb != NULL) { |
303 | r->req.aiocb = NULL; | |
44740c38 | 304 | bdrv_acct_done(s->qdev.conf.bs, &r->acct); |
8e321cc6 | 305 | } |
a597e79c | 306 | |
4d611c9a | 307 | if (ret) { |
71544d30 | 308 | if (scsi_handle_rw_error(r, -ret)) { |
c7bae6a7 | 309 | goto done; |
5dba48a8 | 310 | } |
4d611c9a PB |
311 | } |
312 | ||
103b40f5 | 313 | n = r->qiov.size / 512; |
ea8a5d7f AL |
314 | r->sector += n; |
315 | r->sector_count -= n; | |
a917d384 | 316 | if (r->sector_count == 0) { |
b45ef674 | 317 | scsi_req_complete(&r->req, GOOD); |
a917d384 | 318 | } else { |
103b40f5 PB |
319 | scsi_init_iovec(r); |
320 | DPRINTF("Write complete tag=0x%x more=%d\n", r->req.tag, r->qiov.size); | |
321 | scsi_req_data(&r->req, r->qiov.size); | |
4d611c9a | 322 | } |
c7bae6a7 PB |
323 | |
324 | done: | |
325 | if (!r->req.io_canceled) { | |
326 | scsi_req_unref(&r->req); | |
327 | } | |
4d611c9a PB |
328 | } |
329 | ||
42741212 | 330 | static void scsi_write_data(SCSIRequest *req) |
ea8a5d7f | 331 | { |
5c6c0e51 | 332 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
4c41d2ef | 333 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
ea8a5d7f AL |
334 | uint32_t n; |
335 | ||
6fa2c95f SH |
336 | /* No data transfer may already be in progress */ |
337 | assert(r->req.aiocb == NULL); | |
338 | ||
c7bae6a7 PB |
339 | /* The request is used as the AIO opaque value, so add a ref. */ |
340 | scsi_req_ref(&r->req); | |
efb9ee02 HR |
341 | if (r->req.cmd.mode != SCSI_XFER_TO_DEV) { |
342 | DPRINTF("Data transfer direction invalid\n"); | |
343 | scsi_write_complete(r, -EINVAL); | |
42741212 | 344 | return; |
efb9ee02 HR |
345 | } |
346 | ||
5d0d2467 PB |
347 | if (!r->req.sg && !r->qiov.size) { |
348 | /* Called for the first time. Ask the driver to send us more data. */ | |
349 | scsi_write_complete(r, 0); | |
350 | return; | |
351 | } | |
352 | if (s->tray_open) { | |
353 | scsi_write_complete(r, -ENOMEDIUM); | |
354 | return; | |
355 | } | |
356 | ||
357 | if (r->req.sg) { | |
358 | dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BDRV_ACCT_WRITE); | |
359 | r->req.resid -= r->req.sg->size; | |
360 | r->req.aiocb = dma_bdrv_write(s->qdev.conf.bs, r->req.sg, r->sector, | |
361 | scsi_dma_complete, r); | |
362 | } else { | |
363 | n = r->qiov.size / 512; | |
44740c38 PB |
364 | bdrv_acct_start(s->qdev.conf.bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_WRITE); |
365 | r->req.aiocb = bdrv_aio_writev(s->qdev.conf.bs, r->sector, &r->qiov, n, | |
103b40f5 | 366 | scsi_write_complete, r); |
ea8a5d7f | 367 | } |
a917d384 | 368 | } |
2e5d83bb | 369 | |
a917d384 | 370 | /* Return a pointer to the data buffer. */ |
5c6c0e51 | 371 | static uint8_t *scsi_get_buf(SCSIRequest *req) |
a917d384 | 372 | { |
5c6c0e51 | 373 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
2e5d83bb | 374 | |
3f4cb3d3 | 375 | return (uint8_t *)r->iov.iov_base; |
2e5d83bb PB |
376 | } |
377 | ||
0b06c059 GH |
378 | static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) |
379 | { | |
383b4d9b | 380 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
0b06c059 GH |
381 | int buflen = 0; |
382 | ||
383 | if (req->cmd.buf[1] & 0x2) { | |
384 | /* Command support data - optional, not implemented */ | |
385 | BADF("optional INQUIRY command support request not implemented\n"); | |
386 | return -1; | |
387 | } | |
388 | ||
389 | if (req->cmd.buf[1] & 0x1) { | |
390 | /* Vital product data */ | |
391 | uint8_t page_code = req->cmd.buf[2]; | |
392 | if (req->cmd.xfer < 4) { | |
393 | BADF("Error: Inquiry (EVPD[%02X]) buffer size %zd is " | |
394 | "less than 4\n", page_code, req->cmd.xfer); | |
395 | return -1; | |
396 | } | |
397 | ||
e39be482 | 398 | outbuf[buflen++] = s->qdev.type & 0x1f; |
0b06c059 GH |
399 | outbuf[buflen++] = page_code ; // this page |
400 | outbuf[buflen++] = 0x00; | |
401 | ||
402 | switch (page_code) { | |
403 | case 0x00: /* Supported page codes, mandatory */ | |
39d98982 HR |
404 | { |
405 | int pages; | |
0b06c059 GH |
406 | DPRINTF("Inquiry EVPD[Supported pages] " |
407 | "buffer size %zd\n", req->cmd.xfer); | |
39d98982 | 408 | pages = buflen++; |
0b06c059 | 409 | outbuf[buflen++] = 0x00; // list of supported pages (this page) |
f01b5931 | 410 | if (s->serial) { |
3e1c0c9a | 411 | outbuf[buflen++] = 0x80; // unit serial number |
f01b5931 | 412 | } |
0b06c059 | 413 | outbuf[buflen++] = 0x83; // device identification |
f37bd73b | 414 | if (s->qdev.type == TYPE_DISK) { |
ea3bd56f CH |
415 | outbuf[buflen++] = 0xb0; // block limits |
416 | outbuf[buflen++] = 0xb2; // thin provisioning | |
39d98982 HR |
417 | } |
418 | outbuf[pages] = buflen - pages - 1; // number of pages | |
0b06c059 | 419 | break; |
39d98982 | 420 | } |
0b06c059 GH |
421 | case 0x80: /* Device serial number, optional */ |
422 | { | |
3e1c0c9a | 423 | int l; |
0b06c059 | 424 | |
3e1c0c9a HR |
425 | if (!s->serial) { |
426 | DPRINTF("Inquiry (EVPD[Serial number] not supported\n"); | |
427 | return -1; | |
428 | } | |
429 | ||
430 | l = strlen(s->serial); | |
f01b5931 | 431 | if (l > 20) { |
0b06c059 | 432 | l = 20; |
f01b5931 | 433 | } |
0b06c059 GH |
434 | |
435 | DPRINTF("Inquiry EVPD[Serial number] " | |
436 | "buffer size %zd\n", req->cmd.xfer); | |
437 | outbuf[buflen++] = l; | |
a0fef654 | 438 | memcpy(outbuf+buflen, s->serial, l); |
0b06c059 GH |
439 | buflen += l; |
440 | break; | |
441 | } | |
442 | ||
443 | case 0x83: /* Device identification page, mandatory */ | |
444 | { | |
445 | int max_len = 255 - 8; | |
44740c38 | 446 | int id_len = strlen(bdrv_get_device_name(s->qdev.conf.bs)); |
0b06c059 | 447 | |
f01b5931 | 448 | if (id_len > max_len) { |
0b06c059 | 449 | id_len = max_len; |
f01b5931 | 450 | } |
0b06c059 GH |
451 | DPRINTF("Inquiry EVPD[Device identification] " |
452 | "buffer size %zd\n", req->cmd.xfer); | |
453 | ||
39d98982 | 454 | outbuf[buflen++] = 4 + id_len; |
0b06c059 GH |
455 | outbuf[buflen++] = 0x2; // ASCII |
456 | outbuf[buflen++] = 0; // not officially assigned | |
457 | outbuf[buflen++] = 0; // reserved | |
458 | outbuf[buflen++] = id_len; // length of data following | |
459 | ||
44740c38 | 460 | memcpy(outbuf+buflen, bdrv_get_device_name(s->qdev.conf.bs), id_len); |
0b06c059 GH |
461 | buflen += id_len; |
462 | break; | |
463 | } | |
ea3bd56f | 464 | case 0xb0: /* block limits */ |
ee3659e3 | 465 | { |
ea3bd56f CH |
466 | unsigned int unmap_sectors = |
467 | s->qdev.conf.discard_granularity / s->qdev.blocksize; | |
8cfacf07 CH |
468 | unsigned int min_io_size = |
469 | s->qdev.conf.min_io_size / s->qdev.blocksize; | |
470 | unsigned int opt_io_size = | |
471 | s->qdev.conf.opt_io_size / s->qdev.blocksize; | |
ee3659e3 | 472 | |
f37bd73b | 473 | if (s->qdev.type == TYPE_ROM) { |
39d98982 HR |
474 | DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n", |
475 | page_code); | |
476 | return -1; | |
477 | } | |
ee3659e3 CH |
478 | /* required VPD size with unmap support */ |
479 | outbuf[3] = buflen = 0x3c; | |
480 | ||
481 | memset(outbuf + 4, 0, buflen - 4); | |
482 | ||
483 | /* optimal transfer length granularity */ | |
484 | outbuf[6] = (min_io_size >> 8) & 0xff; | |
485 | outbuf[7] = min_io_size & 0xff; | |
486 | ||
487 | /* optimal transfer length */ | |
488 | outbuf[12] = (opt_io_size >> 24) & 0xff; | |
489 | outbuf[13] = (opt_io_size >> 16) & 0xff; | |
490 | outbuf[14] = (opt_io_size >> 8) & 0xff; | |
491 | outbuf[15] = opt_io_size & 0xff; | |
ea3bd56f CH |
492 | |
493 | /* optimal unmap granularity */ | |
494 | outbuf[28] = (unmap_sectors >> 24) & 0xff; | |
495 | outbuf[29] = (unmap_sectors >> 16) & 0xff; | |
496 | outbuf[30] = (unmap_sectors >> 8) & 0xff; | |
497 | outbuf[31] = unmap_sectors & 0xff; | |
498 | break; | |
499 | } | |
500 | case 0xb2: /* thin provisioning */ | |
501 | { | |
502 | outbuf[3] = buflen = 8; | |
503 | outbuf[4] = 0; | |
504 | outbuf[5] = 0x40; /* write same with unmap supported */ | |
505 | outbuf[6] = 0; | |
506 | outbuf[7] = 0; | |
ee3659e3 CH |
507 | break; |
508 | } | |
0b06c059 GH |
509 | default: |
510 | BADF("Error: unsupported Inquiry (EVPD[%02X]) " | |
511 | "buffer size %zd\n", page_code, req->cmd.xfer); | |
512 | return -1; | |
513 | } | |
514 | /* done with EVPD */ | |
515 | return buflen; | |
516 | } | |
517 | ||
518 | /* Standard INQUIRY data */ | |
519 | if (req->cmd.buf[2] != 0) { | |
520 | BADF("Error: Inquiry (STANDARD) page or code " | |
521 | "is non-zero [%02X]\n", req->cmd.buf[2]); | |
522 | return -1; | |
523 | } | |
524 | ||
525 | /* PAGE CODE == 0 */ | |
526 | if (req->cmd.xfer < 5) { | |
527 | BADF("Error: Inquiry (STANDARD) buffer size %zd " | |
528 | "is less than 5\n", req->cmd.xfer); | |
529 | return -1; | |
530 | } | |
531 | ||
0b06c059 | 532 | buflen = req->cmd.xfer; |
f01b5931 | 533 | if (buflen > SCSI_MAX_INQUIRY_LEN) { |
0b06c059 | 534 | buflen = SCSI_MAX_INQUIRY_LEN; |
f01b5931 | 535 | } |
0b06c059 GH |
536 | memset(outbuf, 0, buflen); |
537 | ||
f37bd73b | 538 | outbuf[0] = s->qdev.type & 0x1f; |
e39be482 | 539 | outbuf[1] = s->removable ? 0x80 : 0; |
f37bd73b | 540 | if (s->qdev.type == TYPE_ROM) { |
550fe6c6 | 541 | memcpy(&outbuf[16], "QEMU CD-ROM ", 16); |
0b06c059 | 542 | } else { |
550fe6c6 | 543 | memcpy(&outbuf[16], "QEMU HARDDISK ", 16); |
0b06c059 | 544 | } |
550fe6c6 | 545 | memcpy(&outbuf[8], "QEMU ", 8); |
314b1811 | 546 | memset(&outbuf[32], 0, 4); |
552fee93 | 547 | memcpy(&outbuf[32], s->version, MIN(4, strlen(s->version))); |
99aba0c4 CH |
548 | /* |
549 | * We claim conformance to SPC-3, which is required for guests | |
550 | * to ask for modern features like READ CAPACITY(16) or the | |
551 | * block characteristics VPD page by default. Not all of SPC-3 | |
552 | * is actually implemented, but we're good enough. | |
553 | */ | |
ee3659e3 | 554 | outbuf[2] = 5; |
0b06c059 | 555 | outbuf[3] = 2; /* Format 2 */ |
ad3cea42 AT |
556 | |
557 | if (buflen > 36) { | |
558 | outbuf[4] = buflen - 5; /* Additional Length = (Len - 1) - 4 */ | |
559 | } else { | |
560 | /* If the allocation length of CDB is too small, | |
561 | the additional length is not adjusted */ | |
562 | outbuf[4] = 36 - 5; | |
563 | } | |
564 | ||
0b06c059 | 565 | /* Sync data transfer and TCQ. */ |
afd4030c | 566 | outbuf[7] = 0x10 | (req->bus->info->tcq ? 0x02 : 0); |
0b06c059 GH |
567 | return buflen; |
568 | } | |
569 | ||
430ee2f2 PB |
570 | static inline bool media_is_dvd(SCSIDiskState *s) |
571 | { | |
572 | uint64_t nb_sectors; | |
573 | if (s->qdev.type != TYPE_ROM) { | |
574 | return false; | |
575 | } | |
44740c38 | 576 | if (!bdrv_is_inserted(s->qdev.conf.bs)) { |
430ee2f2 PB |
577 | return false; |
578 | } | |
44740c38 | 579 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
430ee2f2 PB |
580 | return nb_sectors > CD_MAX_SECTORS; |
581 | } | |
582 | ||
ceb792ef PB |
583 | static inline bool media_is_cd(SCSIDiskState *s) |
584 | { | |
585 | uint64_t nb_sectors; | |
586 | if (s->qdev.type != TYPE_ROM) { | |
587 | return false; | |
588 | } | |
44740c38 | 589 | if (!bdrv_is_inserted(s->qdev.conf.bs)) { |
ceb792ef PB |
590 | return false; |
591 | } | |
44740c38 | 592 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
ceb792ef PB |
593 | return nb_sectors <= CD_MAX_SECTORS; |
594 | } | |
595 | ||
b6c251ab PB |
596 | static int scsi_read_dvd_structure(SCSIDiskState *s, SCSIDiskReq *r, |
597 | uint8_t *outbuf) | |
598 | { | |
ceb792ef PB |
599 | static const int rds_caps_size[5] = { |
600 | [0] = 2048 + 4, | |
601 | [1] = 4 + 4, | |
602 | [3] = 188 + 4, | |
603 | [4] = 2048 + 4, | |
604 | }; | |
605 | ||
606 | uint8_t media = r->req.cmd.buf[1]; | |
607 | uint8_t layer = r->req.cmd.buf[6]; | |
608 | uint8_t format = r->req.cmd.buf[7]; | |
609 | int size = -1; | |
610 | ||
611 | if (s->qdev.type != TYPE_ROM) { | |
612 | return -1; | |
613 | } | |
614 | if (media != 0) { | |
615 | scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); | |
616 | return -1; | |
617 | } | |
618 | ||
619 | if (format != 0xff) { | |
44740c38 | 620 | if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { |
ceb792ef PB |
621 | scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); |
622 | return -1; | |
623 | } | |
624 | if (media_is_cd(s)) { | |
625 | scsi_check_condition(r, SENSE_CODE(INCOMPATIBLE_FORMAT)); | |
626 | return -1; | |
627 | } | |
628 | if (format >= ARRAY_SIZE(rds_caps_size)) { | |
629 | return -1; | |
630 | } | |
631 | size = rds_caps_size[format]; | |
632 | memset(outbuf, 0, size); | |
633 | } | |
634 | ||
635 | switch (format) { | |
636 | case 0x00: { | |
637 | /* Physical format information */ | |
638 | uint64_t nb_sectors; | |
639 | if (layer != 0) { | |
640 | goto fail; | |
641 | } | |
44740c38 | 642 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
ceb792ef PB |
643 | |
644 | outbuf[4] = 1; /* DVD-ROM, part version 1 */ | |
645 | outbuf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ | |
646 | outbuf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ | |
647 | outbuf[7] = 0; /* default densities */ | |
648 | ||
649 | stl_be_p(&outbuf[12], (nb_sectors >> 2) - 1); /* end sector */ | |
650 | stl_be_p(&outbuf[16], (nb_sectors >> 2) - 1); /* l0 end sector */ | |
651 | break; | |
652 | } | |
653 | ||
654 | case 0x01: /* DVD copyright information, all zeros */ | |
655 | break; | |
656 | ||
657 | case 0x03: /* BCA information - invalid field for no BCA info */ | |
658 | return -1; | |
659 | ||
660 | case 0x04: /* DVD disc manufacturing information, all zeros */ | |
661 | break; | |
662 | ||
663 | case 0xff: { /* List capabilities */ | |
664 | int i; | |
665 | size = 4; | |
666 | for (i = 0; i < ARRAY_SIZE(rds_caps_size); i++) { | |
667 | if (!rds_caps_size[i]) { | |
668 | continue; | |
669 | } | |
670 | outbuf[size] = i; | |
671 | outbuf[size + 1] = 0x40; /* Not writable, readable */ | |
672 | stw_be_p(&outbuf[size + 2], rds_caps_size[i]); | |
673 | size += 4; | |
674 | } | |
675 | break; | |
676 | } | |
677 | ||
678 | default: | |
679 | return -1; | |
680 | } | |
681 | ||
682 | /* Size of buffer, not including 2 byte size field */ | |
683 | stw_be_p(outbuf, size - 2); | |
684 | return size; | |
685 | ||
686 | fail: | |
b6c251ab PB |
687 | return -1; |
688 | } | |
689 | ||
3c2f7c12 | 690 | static int scsi_event_status_media(SCSIDiskState *s, uint8_t *outbuf) |
b6c251ab | 691 | { |
3c2f7c12 PB |
692 | uint8_t event_code, media_status; |
693 | ||
694 | media_status = 0; | |
695 | if (s->tray_open) { | |
696 | media_status = MS_TRAY_OPEN; | |
44740c38 | 697 | } else if (bdrv_is_inserted(s->qdev.conf.bs)) { |
3c2f7c12 PB |
698 | media_status = MS_MEDIA_PRESENT; |
699 | } | |
700 | ||
701 | /* Event notification descriptor */ | |
702 | event_code = MEC_NO_CHANGE; | |
4480de19 PB |
703 | if (media_status != MS_TRAY_OPEN) { |
704 | if (s->media_event) { | |
705 | event_code = MEC_NEW_MEDIA; | |
706 | s->media_event = false; | |
707 | } else if (s->eject_request) { | |
708 | event_code = MEC_EJECT_REQUESTED; | |
709 | s->eject_request = false; | |
710 | } | |
3c2f7c12 PB |
711 | } |
712 | ||
713 | outbuf[0] = event_code; | |
714 | outbuf[1] = media_status; | |
715 | ||
716 | /* These fields are reserved, just clear them. */ | |
717 | outbuf[2] = 0; | |
718 | outbuf[3] = 0; | |
719 | return 4; | |
720 | } | |
721 | ||
722 | static int scsi_get_event_status_notification(SCSIDiskState *s, SCSIDiskReq *r, | |
723 | uint8_t *outbuf) | |
724 | { | |
725 | int size; | |
726 | uint8_t *buf = r->req.cmd.buf; | |
727 | uint8_t notification_class_request = buf[4]; | |
728 | if (s->qdev.type != TYPE_ROM) { | |
729 | return -1; | |
730 | } | |
731 | if ((buf[1] & 1) == 0) { | |
732 | /* asynchronous */ | |
733 | return -1; | |
734 | } | |
735 | ||
736 | size = 4; | |
737 | outbuf[0] = outbuf[1] = 0; | |
738 | outbuf[3] = 1 << GESN_MEDIA; /* supported events */ | |
739 | if (notification_class_request & (1 << GESN_MEDIA)) { | |
740 | outbuf[2] = GESN_MEDIA; | |
741 | size += scsi_event_status_media(s, &outbuf[size]); | |
742 | } else { | |
743 | outbuf[2] = 0x80; | |
744 | } | |
745 | stw_be_p(outbuf, size - 4); | |
746 | return size; | |
b6c251ab PB |
747 | } |
748 | ||
430ee2f2 | 749 | static int scsi_get_configuration(SCSIDiskState *s, uint8_t *outbuf) |
b6c251ab | 750 | { |
430ee2f2 PB |
751 | int current; |
752 | ||
b6c251ab PB |
753 | if (s->qdev.type != TYPE_ROM) { |
754 | return -1; | |
755 | } | |
430ee2f2 PB |
756 | current = media_is_dvd(s) ? MMC_PROFILE_DVD_ROM : MMC_PROFILE_CD_ROM; |
757 | memset(outbuf, 0, 40); | |
758 | stl_be_p(&outbuf[0], 36); /* Bytes after the data length field */ | |
759 | stw_be_p(&outbuf[6], current); | |
760 | /* outbuf[8] - outbuf[19]: Feature 0 - Profile list */ | |
761 | outbuf[10] = 0x03; /* persistent, current */ | |
762 | outbuf[11] = 8; /* two profiles */ | |
763 | stw_be_p(&outbuf[12], MMC_PROFILE_DVD_ROM); | |
764 | outbuf[14] = (current == MMC_PROFILE_DVD_ROM); | |
765 | stw_be_p(&outbuf[16], MMC_PROFILE_CD_ROM); | |
766 | outbuf[18] = (current == MMC_PROFILE_CD_ROM); | |
767 | /* outbuf[20] - outbuf[31]: Feature 1 - Core feature */ | |
768 | stw_be_p(&outbuf[20], 1); | |
769 | outbuf[22] = 0x08 | 0x03; /* version 2, persistent, current */ | |
770 | outbuf[23] = 8; | |
771 | stl_be_p(&outbuf[24], 1); /* SCSI */ | |
772 | outbuf[28] = 1; /* DBE = 1, mandatory */ | |
773 | /* outbuf[32] - outbuf[39]: Feature 3 - Removable media feature */ | |
774 | stw_be_p(&outbuf[32], 3); | |
775 | outbuf[34] = 0x08 | 0x03; /* version 2, persistent, current */ | |
776 | outbuf[35] = 4; | |
777 | outbuf[36] = 0x39; /* tray, load=1, eject=1, unlocked at powerup, lock=1 */ | |
778 | /* TODO: Random readable, CD read, DVD read, drive serial number, | |
779 | power management */ | |
780 | return 40; | |
b6c251ab PB |
781 | } |
782 | ||
783 | static int scsi_emulate_mechanism_status(SCSIDiskState *s, uint8_t *outbuf) | |
784 | { | |
785 | if (s->qdev.type != TYPE_ROM) { | |
786 | return -1; | |
787 | } | |
788 | memset(outbuf, 0, 8); | |
789 | outbuf[5] = 1; /* CD-ROM */ | |
790 | return 8; | |
791 | } | |
792 | ||
cfc606da | 793 | static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, |
282ab04e | 794 | int page_control) |
ebddfcbe | 795 | { |
a8f4bbe2 PB |
796 | static const int mode_sense_valid[0x3f] = { |
797 | [MODE_PAGE_HD_GEOMETRY] = (1 << TYPE_DISK), | |
798 | [MODE_PAGE_FLEXIBLE_DISK_GEOMETRY] = (1 << TYPE_DISK), | |
799 | [MODE_PAGE_CACHING] = (1 << TYPE_DISK) | (1 << TYPE_ROM), | |
a07c7dcd PB |
800 | [MODE_PAGE_R_W_ERROR] = (1 << TYPE_DISK) | (1 << TYPE_ROM), |
801 | [MODE_PAGE_AUDIO_CTL] = (1 << TYPE_ROM), | |
a8f4bbe2 PB |
802 | [MODE_PAGE_CAPABILITIES] = (1 << TYPE_ROM), |
803 | }; | |
804 | ||
44740c38 | 805 | BlockDriverState *bdrv = s->qdev.conf.bs; |
ebddfcbe | 806 | int cylinders, heads, secs; |
cfc606da | 807 | uint8_t *p = *p_outbuf; |
ebddfcbe | 808 | |
a8f4bbe2 PB |
809 | if ((mode_sense_valid[page] & (1 << s->qdev.type)) == 0) { |
810 | return -1; | |
811 | } | |
812 | ||
813 | p[0] = page; | |
814 | ||
282ab04e BK |
815 | /* |
816 | * If Changeable Values are requested, a mask denoting those mode parameters | |
817 | * that are changeable shall be returned. As we currently don't support | |
818 | * parameter changes via MODE_SELECT all bits are returned set to zero. | |
819 | * The buffer was already menset to zero by the caller of this function. | |
820 | */ | |
ebddfcbe | 821 | switch (page) { |
67cc61e4 | 822 | case MODE_PAGE_HD_GEOMETRY: |
ebddfcbe | 823 | p[1] = 0x16; |
282ab04e | 824 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 825 | break; |
282ab04e | 826 | } |
ebddfcbe | 827 | /* if a geometry hint is available, use it */ |
245d0049 | 828 | bdrv_guess_geometry(bdrv, &cylinders, &heads, &secs); |
ebddfcbe GH |
829 | p[2] = (cylinders >> 16) & 0xff; |
830 | p[3] = (cylinders >> 8) & 0xff; | |
831 | p[4] = cylinders & 0xff; | |
832 | p[5] = heads & 0xff; | |
833 | /* Write precomp start cylinder, disabled */ | |
834 | p[6] = (cylinders >> 16) & 0xff; | |
835 | p[7] = (cylinders >> 8) & 0xff; | |
836 | p[8] = cylinders & 0xff; | |
837 | /* Reduced current start cylinder, disabled */ | |
838 | p[9] = (cylinders >> 16) & 0xff; | |
839 | p[10] = (cylinders >> 8) & 0xff; | |
840 | p[11] = cylinders & 0xff; | |
841 | /* Device step rate [ns], 200ns */ | |
842 | p[12] = 0; | |
843 | p[13] = 200; | |
844 | /* Landing zone cylinder */ | |
845 | p[14] = 0xff; | |
846 | p[15] = 0xff; | |
847 | p[16] = 0xff; | |
848 | /* Medium rotation rate [rpm], 5400 rpm */ | |
849 | p[20] = (5400 >> 8) & 0xff; | |
850 | p[21] = 5400 & 0xff; | |
cfc606da | 851 | break; |
ebddfcbe | 852 | |
67cc61e4 | 853 | case MODE_PAGE_FLEXIBLE_DISK_GEOMETRY: |
ebddfcbe | 854 | p[1] = 0x1e; |
282ab04e | 855 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 856 | break; |
282ab04e | 857 | } |
ebddfcbe GH |
858 | /* Transfer rate [kbit/s], 5Mbit/s */ |
859 | p[2] = 5000 >> 8; | |
860 | p[3] = 5000 & 0xff; | |
861 | /* if a geometry hint is available, use it */ | |
245d0049 | 862 | bdrv_guess_geometry(bdrv, &cylinders, &heads, &secs); |
ebddfcbe GH |
863 | p[4] = heads & 0xff; |
864 | p[5] = secs & 0xff; | |
69377307 | 865 | p[6] = s->qdev.blocksize >> 8; |
ebddfcbe GH |
866 | p[8] = (cylinders >> 8) & 0xff; |
867 | p[9] = cylinders & 0xff; | |
868 | /* Write precomp start cylinder, disabled */ | |
869 | p[10] = (cylinders >> 8) & 0xff; | |
870 | p[11] = cylinders & 0xff; | |
871 | /* Reduced current start cylinder, disabled */ | |
872 | p[12] = (cylinders >> 8) & 0xff; | |
873 | p[13] = cylinders & 0xff; | |
874 | /* Device step rate [100us], 100us */ | |
875 | p[14] = 0; | |
876 | p[15] = 1; | |
877 | /* Device step pulse width [us], 1us */ | |
878 | p[16] = 1; | |
879 | /* Device head settle delay [100us], 100us */ | |
880 | p[17] = 0; | |
881 | p[18] = 1; | |
882 | /* Motor on delay [0.1s], 0.1s */ | |
883 | p[19] = 1; | |
884 | /* Motor off delay [0.1s], 0.1s */ | |
885 | p[20] = 1; | |
886 | /* Medium rotation rate [rpm], 5400 rpm */ | |
887 | p[28] = (5400 >> 8) & 0xff; | |
888 | p[29] = 5400 & 0xff; | |
cfc606da | 889 | break; |
ebddfcbe | 890 | |
67cc61e4 | 891 | case MODE_PAGE_CACHING: |
ebddfcbe GH |
892 | p[0] = 8; |
893 | p[1] = 0x12; | |
282ab04e | 894 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 895 | break; |
282ab04e | 896 | } |
44740c38 | 897 | if (bdrv_enable_write_cache(s->qdev.conf.bs)) { |
ebddfcbe GH |
898 | p[2] = 4; /* WCE */ |
899 | } | |
cfc606da | 900 | break; |
ebddfcbe | 901 | |
a07c7dcd PB |
902 | case MODE_PAGE_R_W_ERROR: |
903 | p[1] = 10; | |
904 | p[2] = 0x80; /* Automatic Write Reallocation Enabled */ | |
905 | if (s->qdev.type == TYPE_ROM) { | |
906 | p[3] = 0x20; /* Read Retry Count */ | |
907 | } | |
908 | break; | |
909 | ||
910 | case MODE_PAGE_AUDIO_CTL: | |
911 | p[1] = 14; | |
912 | break; | |
913 | ||
67cc61e4 | 914 | case MODE_PAGE_CAPABILITIES: |
ebddfcbe | 915 | p[1] = 0x14; |
282ab04e | 916 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 917 | break; |
282ab04e | 918 | } |
a07c7dcd PB |
919 | |
920 | p[2] = 0x3b; /* CD-R & CD-RW read */ | |
921 | p[3] = 0; /* Writing not supported */ | |
ebddfcbe GH |
922 | p[4] = 0x7f; /* Audio, composite, digital out, |
923 | mode 2 form 1&2, multi session */ | |
924 | p[5] = 0xff; /* CD DA, DA accurate, RW supported, | |
925 | RW corrected, C2 errors, ISRC, | |
926 | UPC, Bar code */ | |
81b1008d | 927 | p[6] = 0x2d | (s->tray_locked ? 2 : 0); |
ebddfcbe GH |
928 | /* Locking supported, jumper present, eject, tray */ |
929 | p[7] = 0; /* no volume & mute control, no | |
930 | changer */ | |
a07c7dcd | 931 | p[8] = (50 * 176) >> 8; /* 50x read speed */ |
ebddfcbe | 932 | p[9] = (50 * 176) & 0xff; |
a07c7dcd PB |
933 | p[10] = 2 >> 8; /* Two volume levels */ |
934 | p[11] = 2 & 0xff; | |
935 | p[12] = 2048 >> 8; /* 2M buffer */ | |
ebddfcbe | 936 | p[13] = 2048 & 0xff; |
a07c7dcd | 937 | p[14] = (16 * 176) >> 8; /* 16x read speed current */ |
ebddfcbe | 938 | p[15] = (16 * 176) & 0xff; |
a07c7dcd | 939 | p[18] = (16 * 176) >> 8; /* 16x write speed */ |
ebddfcbe | 940 | p[19] = (16 * 176) & 0xff; |
a07c7dcd | 941 | p[20] = (16 * 176) >> 8; /* 16x write speed current */ |
ebddfcbe | 942 | p[21] = (16 * 176) & 0xff; |
cfc606da | 943 | break; |
ebddfcbe GH |
944 | |
945 | default: | |
cfc606da | 946 | return -1; |
ebddfcbe | 947 | } |
cfc606da PB |
948 | |
949 | *p_outbuf += p[1] + 2; | |
950 | return p[1] + 2; | |
ebddfcbe GH |
951 | } |
952 | ||
cfc606da | 953 | static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf) |
ebddfcbe | 954 | { |
cfc606da | 955 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
ebddfcbe | 956 | uint64_t nb_sectors; |
cfc606da | 957 | int page, dbd, buflen, ret, page_control; |
ebddfcbe | 958 | uint8_t *p; |
ce512ee1 | 959 | uint8_t dev_specific_param; |
ebddfcbe | 960 | |
cfc606da PB |
961 | dbd = r->req.cmd.buf[1] & 0x8; |
962 | page = r->req.cmd.buf[2] & 0x3f; | |
963 | page_control = (r->req.cmd.buf[2] & 0xc0) >> 6; | |
aa2b1e89 | 964 | DPRINTF("Mode Sense(%d) (page %d, xfer %zd, page_control %d)\n", |
cfc606da PB |
965 | (r->req.cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, r->req.cmd.xfer, page_control); |
966 | memset(outbuf, 0, r->req.cmd.xfer); | |
ebddfcbe GH |
967 | p = outbuf; |
968 | ||
44740c38 | 969 | if (bdrv_is_read_only(s->qdev.conf.bs)) { |
ce512ee1 BK |
970 | dev_specific_param = 0x80; /* Readonly. */ |
971 | } else { | |
972 | dev_specific_param = 0x00; | |
973 | } | |
974 | ||
cfc606da | 975 | if (r->req.cmd.buf[0] == MODE_SENSE) { |
ce512ee1 BK |
976 | p[1] = 0; /* Default media type. */ |
977 | p[2] = dev_specific_param; | |
978 | p[3] = 0; /* Block descriptor length. */ | |
979 | p += 4; | |
980 | } else { /* MODE_SENSE_10 */ | |
981 | p[2] = 0; /* Default media type. */ | |
982 | p[3] = dev_specific_param; | |
983 | p[6] = p[7] = 0; /* Block descriptor length. */ | |
984 | p += 8; | |
ebddfcbe | 985 | } |
ebddfcbe | 986 | |
0fd76ff4 | 987 | /* MMC prescribes that CD/DVD drives have no block descriptors. */ |
44740c38 | 988 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
0fd76ff4 | 989 | if (!dbd && s->qdev.type == TYPE_DISK && nb_sectors) { |
cfc606da | 990 | if (r->req.cmd.buf[0] == MODE_SENSE) { |
ce512ee1 BK |
991 | outbuf[3] = 8; /* Block descriptor length */ |
992 | } else { /* MODE_SENSE_10 */ | |
993 | outbuf[7] = 8; /* Block descriptor length */ | |
994 | } | |
69377307 | 995 | nb_sectors /= (s->qdev.blocksize / 512); |
f01b5931 | 996 | if (nb_sectors > 0xffffff) { |
2488b740 | 997 | nb_sectors = 0; |
f01b5931 | 998 | } |
ebddfcbe GH |
999 | p[0] = 0; /* media density code */ |
1000 | p[1] = (nb_sectors >> 16) & 0xff; | |
1001 | p[2] = (nb_sectors >> 8) & 0xff; | |
1002 | p[3] = nb_sectors & 0xff; | |
1003 | p[4] = 0; /* reserved */ | |
1004 | p[5] = 0; /* bytes 5-7 are the sector size in bytes */ | |
69377307 | 1005 | p[6] = s->qdev.blocksize >> 8; |
ebddfcbe GH |
1006 | p[7] = 0; |
1007 | p += 8; | |
1008 | } | |
1009 | ||
cfc606da PB |
1010 | if (page_control == 3) { |
1011 | /* Saved Values */ | |
1012 | scsi_check_condition(r, SENSE_CODE(SAVING_PARAMS_NOT_SUPPORTED)); | |
1013 | return -1; | |
282ab04e BK |
1014 | } |
1015 | ||
cfc606da PB |
1016 | if (page == 0x3f) { |
1017 | for (page = 0; page <= 0x3e; page++) { | |
1018 | mode_sense_page(s, page, &p, page_control); | |
1019 | } | |
1020 | } else { | |
1021 | ret = mode_sense_page(s, page, &p, page_control); | |
1022 | if (ret == -1) { | |
1023 | return -1; | |
1024 | } | |
ebddfcbe GH |
1025 | } |
1026 | ||
1027 | buflen = p - outbuf; | |
ce512ee1 BK |
1028 | /* |
1029 | * The mode data length field specifies the length in bytes of the | |
1030 | * following data that is available to be transferred. The mode data | |
1031 | * length does not include itself. | |
1032 | */ | |
cfc606da | 1033 | if (r->req.cmd.buf[0] == MODE_SENSE) { |
ce512ee1 BK |
1034 | outbuf[0] = buflen - 1; |
1035 | } else { /* MODE_SENSE_10 */ | |
1036 | outbuf[0] = ((buflen - 2) >> 8) & 0xff; | |
1037 | outbuf[1] = (buflen - 2) & 0xff; | |
1038 | } | |
ebddfcbe GH |
1039 | return buflen; |
1040 | } | |
1041 | ||
02880f43 GH |
1042 | static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf) |
1043 | { | |
1044 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); | |
02880f43 GH |
1045 | int start_track, format, msf, toclen; |
1046 | uint64_t nb_sectors; | |
1047 | ||
1048 | msf = req->cmd.buf[1] & 2; | |
1049 | format = req->cmd.buf[2] & 0xf; | |
1050 | start_track = req->cmd.buf[6]; | |
44740c38 | 1051 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
02880f43 | 1052 | DPRINTF("Read TOC (track %d format %d msf %d)\n", start_track, format, msf >> 1); |
69377307 | 1053 | nb_sectors /= s->qdev.blocksize / 512; |
02880f43 GH |
1054 | switch (format) { |
1055 | case 0: | |
1056 | toclen = cdrom_read_toc(nb_sectors, outbuf, msf, start_track); | |
1057 | break; | |
1058 | case 1: | |
1059 | /* multi session : only a single session defined */ | |
1060 | toclen = 12; | |
1061 | memset(outbuf, 0, 12); | |
1062 | outbuf[1] = 0x0a; | |
1063 | outbuf[2] = 0x01; | |
1064 | outbuf[3] = 0x01; | |
1065 | break; | |
1066 | case 2: | |
1067 | toclen = cdrom_read_toc_raw(nb_sectors, outbuf, msf, start_track); | |
1068 | break; | |
1069 | default: | |
1070 | return -1; | |
1071 | } | |
02880f43 GH |
1072 | return toclen; |
1073 | } | |
1074 | ||
68bb01f3 | 1075 | static int scsi_disk_emulate_start_stop(SCSIDiskReq *r) |
bfd52647 MA |
1076 | { |
1077 | SCSIRequest *req = &r->req; | |
1078 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); | |
1079 | bool start = req->cmd.buf[4] & 1; | |
1080 | bool loej = req->cmd.buf[4] & 2; /* load on start, eject on !start */ | |
1081 | ||
1082 | if (s->qdev.type == TYPE_ROM && loej) { | |
68bb01f3 MA |
1083 | if (!start && !s->tray_open && s->tray_locked) { |
1084 | scsi_check_condition(r, | |
44740c38 | 1085 | bdrv_is_inserted(s->qdev.conf.bs) |
68bb01f3 MA |
1086 | ? SENSE_CODE(ILLEGAL_REQ_REMOVAL_PREVENTED) |
1087 | : SENSE_CODE(NOT_READY_REMOVAL_PREVENTED)); | |
1088 | return -1; | |
fdec4404 | 1089 | } |
44740c38 | 1090 | bdrv_eject(s->qdev.conf.bs, !start); |
ece0d5e9 | 1091 | s->tray_open = !start; |
bfd52647 | 1092 | } |
68bb01f3 | 1093 | return 0; |
bfd52647 MA |
1094 | } |
1095 | ||
7285477a | 1096 | static int scsi_disk_emulate_command(SCSIDiskReq *r) |
aa5dbdc1 | 1097 | { |
8af7a3ab | 1098 | SCSIRequest *req = &r->req; |
e7e25e32 | 1099 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
e7e25e32 | 1100 | uint64_t nb_sectors; |
7285477a | 1101 | uint8_t *outbuf; |
aa5dbdc1 GH |
1102 | int buflen = 0; |
1103 | ||
7285477a PB |
1104 | if (!r->iov.iov_base) { |
1105 | /* | |
1106 | * FIXME: we shouldn't return anything bigger than 4k, but the code | |
1107 | * requires the buffer to be as big as req->cmd.xfer in several | |
1108 | * places. So, do not allow CDBs with a very large ALLOCATION | |
1109 | * LENGTH. The real fix would be to modify scsi_read_data and | |
1110 | * dma_buf_read, so that they return data beyond the buflen | |
1111 | * as all zeros. | |
1112 | */ | |
1113 | if (req->cmd.xfer > 65536) { | |
1114 | goto illegal_request; | |
1115 | } | |
1116 | r->buflen = MAX(4096, req->cmd.xfer); | |
44740c38 | 1117 | r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen); |
7285477a PB |
1118 | } |
1119 | ||
1120 | outbuf = r->iov.iov_base; | |
aa5dbdc1 GH |
1121 | switch (req->cmd.buf[0]) { |
1122 | case TEST_UNIT_READY: | |
44740c38 | 1123 | if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { |
aa5dbdc1 | 1124 | goto not_ready; |
f01b5931 | 1125 | } |
5f71d32f | 1126 | break; |
0b06c059 GH |
1127 | case INQUIRY: |
1128 | buflen = scsi_disk_emulate_inquiry(req, outbuf); | |
f01b5931 | 1129 | if (buflen < 0) { |
0b06c059 | 1130 | goto illegal_request; |
f01b5931 | 1131 | } |
5f71d32f | 1132 | break; |
ebddfcbe GH |
1133 | case MODE_SENSE: |
1134 | case MODE_SENSE_10: | |
cfc606da | 1135 | buflen = scsi_disk_emulate_mode_sense(r, outbuf); |
f01b5931 | 1136 | if (buflen < 0) { |
ebddfcbe | 1137 | goto illegal_request; |
f01b5931 | 1138 | } |
ebddfcbe | 1139 | break; |
02880f43 GH |
1140 | case READ_TOC: |
1141 | buflen = scsi_disk_emulate_read_toc(req, outbuf); | |
f01b5931 | 1142 | if (buflen < 0) { |
02880f43 | 1143 | goto illegal_request; |
f01b5931 | 1144 | } |
02880f43 | 1145 | break; |
3d53ba18 | 1146 | case RESERVE: |
f01b5931 | 1147 | if (req->cmd.buf[1] & 1) { |
3d53ba18 | 1148 | goto illegal_request; |
f01b5931 | 1149 | } |
3d53ba18 GH |
1150 | break; |
1151 | case RESERVE_10: | |
f01b5931 | 1152 | if (req->cmd.buf[1] & 3) { |
3d53ba18 | 1153 | goto illegal_request; |
f01b5931 | 1154 | } |
3d53ba18 GH |
1155 | break; |
1156 | case RELEASE: | |
f01b5931 | 1157 | if (req->cmd.buf[1] & 1) { |
3d53ba18 | 1158 | goto illegal_request; |
f01b5931 | 1159 | } |
3d53ba18 GH |
1160 | break; |
1161 | case RELEASE_10: | |
f01b5931 | 1162 | if (req->cmd.buf[1] & 3) { |
3d53ba18 | 1163 | goto illegal_request; |
f01b5931 | 1164 | } |
3d53ba18 | 1165 | break; |
8d3628ff | 1166 | case START_STOP: |
68bb01f3 MA |
1167 | if (scsi_disk_emulate_start_stop(r) < 0) { |
1168 | return -1; | |
1169 | } | |
5f71d32f | 1170 | break; |
c68b9f34 | 1171 | case ALLOW_MEDIUM_REMOVAL: |
81b1008d | 1172 | s->tray_locked = req->cmd.buf[4] & 1; |
44740c38 | 1173 | bdrv_lock_medium(s->qdev.conf.bs, req->cmd.buf[4] & 1); |
5f71d32f | 1174 | break; |
5e30a07d | 1175 | case READ_CAPACITY_10: |
e7e25e32 | 1176 | /* The normal LEN field for this command is zero. */ |
5f71d32f | 1177 | memset(outbuf, 0, 8); |
44740c38 | 1178 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
f01b5931 | 1179 | if (!nb_sectors) { |
e7e25e32 | 1180 | goto not_ready; |
f01b5931 | 1181 | } |
7cec78b6 PB |
1182 | if ((req->cmd.buf[8] & 1) == 0 && req->cmd.lba) { |
1183 | goto illegal_request; | |
1184 | } | |
69377307 | 1185 | nb_sectors /= s->qdev.blocksize / 512; |
e7e25e32 GH |
1186 | /* Returned value is the address of the last sector. */ |
1187 | nb_sectors--; | |
1188 | /* Remember the new size for read/write sanity checking. */ | |
7877903a | 1189 | s->qdev.max_lba = nb_sectors; |
e7e25e32 | 1190 | /* Clip to 2TB, instead of returning capacity modulo 2TB. */ |
f01b5931 | 1191 | if (nb_sectors > UINT32_MAX) { |
e7e25e32 | 1192 | nb_sectors = UINT32_MAX; |
f01b5931 | 1193 | } |
e7e25e32 GH |
1194 | outbuf[0] = (nb_sectors >> 24) & 0xff; |
1195 | outbuf[1] = (nb_sectors >> 16) & 0xff; | |
1196 | outbuf[2] = (nb_sectors >> 8) & 0xff; | |
1197 | outbuf[3] = nb_sectors & 0xff; | |
1198 | outbuf[4] = 0; | |
1199 | outbuf[5] = 0; | |
69377307 | 1200 | outbuf[6] = s->qdev.blocksize >> 8; |
e7e25e32 GH |
1201 | outbuf[7] = 0; |
1202 | buflen = 8; | |
5f71d32f | 1203 | break; |
f3b338ef PB |
1204 | case REQUEST_SENSE: |
1205 | /* Just return "NO SENSE". */ | |
1206 | buflen = scsi_build_sense(NULL, 0, outbuf, r->buflen, | |
1207 | (req->cmd.buf[1] & 1) == 0); | |
1208 | break; | |
b6c251ab PB |
1209 | case MECHANISM_STATUS: |
1210 | buflen = scsi_emulate_mechanism_status(s, outbuf); | |
1211 | if (buflen < 0) { | |
1212 | goto illegal_request; | |
1213 | } | |
1214 | break; | |
38215553 | 1215 | case GET_CONFIGURATION: |
430ee2f2 | 1216 | buflen = scsi_get_configuration(s, outbuf); |
b6c251ab PB |
1217 | if (buflen < 0) { |
1218 | goto illegal_request; | |
1219 | } | |
1220 | break; | |
1221 | case GET_EVENT_STATUS_NOTIFICATION: | |
1222 | buflen = scsi_get_event_status_notification(s, r, outbuf); | |
1223 | if (buflen < 0) { | |
1224 | goto illegal_request; | |
1225 | } | |
1226 | break; | |
1227 | case READ_DVD_STRUCTURE: | |
1228 | buflen = scsi_read_dvd_structure(s, r, outbuf); | |
1229 | if (buflen < 0) { | |
1230 | goto illegal_request; | |
1231 | } | |
38215553 | 1232 | break; |
f6515262 | 1233 | case SERVICE_ACTION_IN_16: |
5dd90e2a | 1234 | /* Service Action In subcommands. */ |
f6515262 | 1235 | if ((req->cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) { |
5dd90e2a GH |
1236 | DPRINTF("SAI READ CAPACITY(16)\n"); |
1237 | memset(outbuf, 0, req->cmd.xfer); | |
44740c38 | 1238 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
f01b5931 | 1239 | if (!nb_sectors) { |
5dd90e2a | 1240 | goto not_ready; |
f01b5931 | 1241 | } |
7cec78b6 PB |
1242 | if ((req->cmd.buf[14] & 1) == 0 && req->cmd.lba) { |
1243 | goto illegal_request; | |
1244 | } | |
69377307 | 1245 | nb_sectors /= s->qdev.blocksize / 512; |
5dd90e2a GH |
1246 | /* Returned value is the address of the last sector. */ |
1247 | nb_sectors--; | |
1248 | /* Remember the new size for read/write sanity checking. */ | |
7877903a | 1249 | s->qdev.max_lba = nb_sectors; |
5dd90e2a GH |
1250 | outbuf[0] = (nb_sectors >> 56) & 0xff; |
1251 | outbuf[1] = (nb_sectors >> 48) & 0xff; | |
1252 | outbuf[2] = (nb_sectors >> 40) & 0xff; | |
1253 | outbuf[3] = (nb_sectors >> 32) & 0xff; | |
1254 | outbuf[4] = (nb_sectors >> 24) & 0xff; | |
1255 | outbuf[5] = (nb_sectors >> 16) & 0xff; | |
1256 | outbuf[6] = (nb_sectors >> 8) & 0xff; | |
1257 | outbuf[7] = nb_sectors & 0xff; | |
1258 | outbuf[8] = 0; | |
1259 | outbuf[9] = 0; | |
69377307 | 1260 | outbuf[10] = s->qdev.blocksize >> 8; |
5dd90e2a | 1261 | outbuf[11] = 0; |
ee3659e3 CH |
1262 | outbuf[12] = 0; |
1263 | outbuf[13] = get_physical_block_exp(&s->qdev.conf); | |
ea3bd56f CH |
1264 | |
1265 | /* set TPE bit if the format supports discard */ | |
1266 | if (s->qdev.conf.discard_granularity) { | |
1267 | outbuf[14] = 0x80; | |
1268 | } | |
1269 | ||
5dd90e2a GH |
1270 | /* Protection, exponent and lowest lba field left blank. */ |
1271 | buflen = req->cmd.xfer; | |
1272 | break; | |
1273 | } | |
1274 | DPRINTF("Unsupported Service Action In\n"); | |
1275 | goto illegal_request; | |
5e30a07d | 1276 | case VERIFY_10: |
88f8a5ed | 1277 | break; |
aa5dbdc1 | 1278 | default: |
b45ef674 | 1279 | scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE)); |
a1f0cce2 | 1280 | return -1; |
aa5dbdc1 | 1281 | } |
e2f0c49f | 1282 | buflen = MIN(buflen, req->cmd.xfer); |
aa5dbdc1 GH |
1283 | return buflen; |
1284 | ||
1285 | not_ready: | |
44740c38 | 1286 | if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { |
b45ef674 | 1287 | scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); |
a1f0cce2 | 1288 | } else { |
b45ef674 | 1289 | scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY)); |
a1f0cce2 | 1290 | } |
8af7a3ab | 1291 | return -1; |
aa5dbdc1 GH |
1292 | |
1293 | illegal_request: | |
cfc606da PB |
1294 | if (r->req.status == -1) { |
1295 | scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); | |
1296 | } | |
8af7a3ab | 1297 | return -1; |
aa5dbdc1 GH |
1298 | } |
1299 | ||
2e5d83bb PB |
1300 | /* Execute a scsi command. Returns the length of the data expected by the |
1301 | command. This will be Positive for data transfers from the device | |
1302 | (eg. disk reads), negative for transfers to the device (eg. disk writes), | |
1303 | and zero if the command does not transfer any data. */ | |
1304 | ||
5c6c0e51 | 1305 | static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf) |
2e5d83bb | 1306 | { |
5c6c0e51 HR |
1307 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
1308 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); | |
ad2d30f7 | 1309 | int32_t len; |
a917d384 | 1310 | uint8_t command; |
aa5dbdc1 | 1311 | int rc; |
a917d384 PB |
1312 | |
1313 | command = buf[0]; | |
653c1c3f | 1314 | DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", req->lun, req->tag, buf[0]); |
2dd791b6 | 1315 | |
2e5d83bb PB |
1316 | #ifdef DEBUG_SCSI |
1317 | { | |
1318 | int i; | |
2dd791b6 | 1319 | for (i = 1; i < r->req.cmd.len; i++) { |
2e5d83bb PB |
1320 | printf(" 0x%02x", buf[i]); |
1321 | } | |
1322 | printf("\n"); | |
1323 | } | |
1324 | #endif | |
aa5dbdc1 | 1325 | |
a917d384 | 1326 | switch (command) { |
ebf46023 | 1327 | case TEST_UNIT_READY: |
0b06c059 | 1328 | case INQUIRY: |
ebddfcbe GH |
1329 | case MODE_SENSE: |
1330 | case MODE_SENSE_10: | |
3d53ba18 GH |
1331 | case RESERVE: |
1332 | case RESERVE_10: | |
1333 | case RELEASE: | |
1334 | case RELEASE_10: | |
8d3628ff | 1335 | case START_STOP: |
c68b9f34 | 1336 | case ALLOW_MEDIUM_REMOVAL: |
5e30a07d | 1337 | case READ_CAPACITY_10: |
02880f43 | 1338 | case READ_TOC: |
b6c251ab | 1339 | case READ_DVD_STRUCTURE: |
38215553 | 1340 | case GET_CONFIGURATION: |
b6c251ab PB |
1341 | case GET_EVENT_STATUS_NOTIFICATION: |
1342 | case MECHANISM_STATUS: | |
f6515262 | 1343 | case SERVICE_ACTION_IN_16: |
f3b338ef | 1344 | case REQUEST_SENSE: |
5e30a07d | 1345 | case VERIFY_10: |
7285477a | 1346 | rc = scsi_disk_emulate_command(r); |
8af7a3ab | 1347 | if (rc < 0) { |
0b06c059 | 1348 | return 0; |
aa5dbdc1 | 1349 | } |
8af7a3ab KW |
1350 | |
1351 | r->iov.iov_len = rc; | |
0b06c059 | 1352 | break; |
0a4ac106 | 1353 | case SYNCHRONIZE_CACHE: |
c7bae6a7 PB |
1354 | /* The request is used as the AIO opaque value, so add a ref. */ |
1355 | scsi_req_ref(&r->req); | |
44740c38 PB |
1356 | bdrv_acct_start(s->qdev.conf.bs, &r->acct, 0, BDRV_ACCT_FLUSH); |
1357 | r->req.aiocb = bdrv_aio_flush(s->qdev.conf.bs, scsi_flush_complete, r); | |
0a4ac106 | 1358 | return 0; |
ebf46023 GH |
1359 | case READ_6: |
1360 | case READ_10: | |
bd536cf3 GH |
1361 | case READ_12: |
1362 | case READ_16: | |
5c6c0e51 | 1363 | len = r->req.cmd.xfer / s->qdev.blocksize; |
2dd791b6 | 1364 | DPRINTF("Read (sector %" PRId64 ", count %d)\n", r->req.cmd.lba, len); |
7877903a | 1365 | if (r->req.cmd.lba > s->qdev.max_lba) { |
274fb0e1 | 1366 | goto illegal_lba; |
f01b5931 | 1367 | } |
69377307 PB |
1368 | r->sector = r->req.cmd.lba * (s->qdev.blocksize / 512); |
1369 | r->sector_count = len * (s->qdev.blocksize / 512); | |
2e5d83bb | 1370 | break; |
ebf46023 GH |
1371 | case WRITE_6: |
1372 | case WRITE_10: | |
bd536cf3 GH |
1373 | case WRITE_12: |
1374 | case WRITE_16: | |
5e30a07d | 1375 | case WRITE_VERIFY_10: |
ebef0bbb BK |
1376 | case WRITE_VERIFY_12: |
1377 | case WRITE_VERIFY_16: | |
5c6c0e51 | 1378 | len = r->req.cmd.xfer / s->qdev.blocksize; |
ebef0bbb | 1379 | DPRINTF("Write %s(sector %" PRId64 ", count %d)\n", |
2dd791b6 HR |
1380 | (command & 0xe) == 0xe ? "And Verify " : "", |
1381 | r->req.cmd.lba, len); | |
7877903a | 1382 | if (r->req.cmd.lba > s->qdev.max_lba) { |
274fb0e1 | 1383 | goto illegal_lba; |
f01b5931 | 1384 | } |
69377307 PB |
1385 | r->sector = r->req.cmd.lba * (s->qdev.blocksize / 512); |
1386 | r->sector_count = len * (s->qdev.blocksize / 512); | |
2e5d83bb | 1387 | break; |
ebef0bbb | 1388 | case MODE_SELECT: |
2dd791b6 | 1389 | DPRINTF("Mode Select(6) (len %lu)\n", (long)r->req.cmd.xfer); |
ebef0bbb BK |
1390 | /* We don't support mode parameter changes. |
1391 | Allow the mode parameter header + block descriptors only. */ | |
2dd791b6 | 1392 | if (r->req.cmd.xfer > 12) { |
ebef0bbb BK |
1393 | goto fail; |
1394 | } | |
1395 | break; | |
1396 | case MODE_SELECT_10: | |
2dd791b6 | 1397 | DPRINTF("Mode Select(10) (len %lu)\n", (long)r->req.cmd.xfer); |
ebef0bbb BK |
1398 | /* We don't support mode parameter changes. |
1399 | Allow the mode parameter header + block descriptors only. */ | |
2dd791b6 | 1400 | if (r->req.cmd.xfer > 16) { |
ebef0bbb BK |
1401 | goto fail; |
1402 | } | |
1403 | break; | |
ebef0bbb | 1404 | case SEEK_10: |
00a01ad4 | 1405 | DPRINTF("Seek(10) (sector %" PRId64 ")\n", r->req.cmd.lba); |
7877903a | 1406 | if (r->req.cmd.lba > s->qdev.max_lba) { |
ebef0bbb BK |
1407 | goto illegal_lba; |
1408 | } | |
ea3bd56f CH |
1409 | break; |
1410 | case WRITE_SAME_16: | |
5c6c0e51 | 1411 | len = r->req.cmd.xfer / s->qdev.blocksize; |
ea3bd56f CH |
1412 | |
1413 | DPRINTF("WRITE SAME(16) (sector %" PRId64 ", count %d)\n", | |
1414 | r->req.cmd.lba, len); | |
1415 | ||
7877903a | 1416 | if (r->req.cmd.lba > s->qdev.max_lba) { |
ea3bd56f CH |
1417 | goto illegal_lba; |
1418 | } | |
1419 | ||
1420 | /* | |
1421 | * We only support WRITE SAME with the unmap bit set for now. | |
1422 | */ | |
1423 | if (!(buf[1] & 0x8)) { | |
1424 | goto fail; | |
1425 | } | |
1426 | ||
69377307 PB |
1427 | rc = bdrv_discard(s->qdev.conf.bs, |
1428 | r->req.cmd.lba * (s->qdev.blocksize / 512), | |
1429 | len * (s->qdev.blocksize / 512)); | |
ea3bd56f CH |
1430 | if (rc < 0) { |
1431 | /* XXX: better error code ?*/ | |
1432 | goto fail; | |
1433 | } | |
1434 | ||
ebef0bbb | 1435 | break; |
2e5d83bb | 1436 | default: |
2dd791b6 | 1437 | DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]); |
b45ef674 | 1438 | scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE)); |
a1f0cce2 | 1439 | return 0; |
2e5d83bb | 1440 | fail: |
b45ef674 | 1441 | scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); |
2dd791b6 | 1442 | return 0; |
274fb0e1 | 1443 | illegal_lba: |
b45ef674 | 1444 | scsi_check_condition(r, SENSE_CODE(LBA_OUT_OF_RANGE)); |
274fb0e1 | 1445 | return 0; |
2e5d83bb | 1446 | } |
c87c0672 | 1447 | if (r->sector_count == 0 && r->iov.iov_len == 0) { |
b45ef674 | 1448 | scsi_req_complete(&r->req, GOOD); |
a917d384 | 1449 | } |
c87c0672 | 1450 | len = r->sector_count * 512 + r->iov.iov_len; |
efb9ee02 HR |
1451 | if (r->req.cmd.mode == SCSI_XFER_TO_DEV) { |
1452 | return -len; | |
a917d384 | 1453 | } else { |
f01b5931 | 1454 | if (!r->sector_count) { |
a917d384 | 1455 | r->sector_count = -1; |
f01b5931 | 1456 | } |
efb9ee02 | 1457 | return len; |
2e5d83bb | 1458 | } |
2e5d83bb PB |
1459 | } |
1460 | ||
e9447f35 JK |
1461 | static void scsi_disk_reset(DeviceState *dev) |
1462 | { | |
1463 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev.qdev, dev); | |
1464 | uint64_t nb_sectors; | |
1465 | ||
c7b48872 | 1466 | scsi_device_purge_requests(&s->qdev, SENSE_CODE(RESET)); |
e9447f35 | 1467 | |
44740c38 | 1468 | bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
69377307 | 1469 | nb_sectors /= s->qdev.blocksize / 512; |
e9447f35 JK |
1470 | if (nb_sectors) { |
1471 | nb_sectors--; | |
1472 | } | |
7877903a | 1473 | s->qdev.max_lba = nb_sectors; |
e9447f35 JK |
1474 | } |
1475 | ||
1476 | static void scsi_destroy(SCSIDevice *dev) | |
1477 | { | |
1478 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); | |
1479 | ||
c7b48872 | 1480 | scsi_device_purge_requests(&s->qdev, SENSE_CODE(NO_SENSE)); |
f8b6cc00 | 1481 | blockdev_mark_auto_del(s->qdev.conf.bs); |
56a14938 GH |
1482 | } |
1483 | ||
7d4b4ba5 | 1484 | static void scsi_cd_change_media_cb(void *opaque, bool load) |
2c6942fa | 1485 | { |
8a9c16f6 PB |
1486 | SCSIDiskState *s = opaque; |
1487 | ||
1488 | /* | |
1489 | * When a CD gets changed, we have to report an ejected state and | |
1490 | * then a loaded state to guests so that they detect tray | |
1491 | * open/close and media change events. Guests that do not use | |
1492 | * GET_EVENT_STATUS_NOTIFICATION to detect such tray open/close | |
1493 | * states rely on this behavior. | |
1494 | * | |
1495 | * media_changed governs the state machine used for unit attention | |
1496 | * report. media_event is used by GET EVENT STATUS NOTIFICATION. | |
1497 | */ | |
1498 | s->media_changed = load; | |
1499 | s->tray_open = !load; | |
1500 | s->qdev.unit_attention = SENSE_CODE(UNIT_ATTENTION_NO_MEDIUM); | |
3c2f7c12 | 1501 | s->media_event = true; |
4480de19 PB |
1502 | s->eject_request = false; |
1503 | } | |
1504 | ||
1505 | static void scsi_cd_eject_request_cb(void *opaque, bool force) | |
1506 | { | |
1507 | SCSIDiskState *s = opaque; | |
1508 | ||
1509 | s->eject_request = true; | |
1510 | if (force) { | |
1511 | s->tray_locked = false; | |
1512 | } | |
2c6942fa MA |
1513 | } |
1514 | ||
e4def80b MA |
1515 | static bool scsi_cd_is_tray_open(void *opaque) |
1516 | { | |
1517 | return ((SCSIDiskState *)opaque)->tray_open; | |
1518 | } | |
1519 | ||
f107639a MA |
1520 | static bool scsi_cd_is_medium_locked(void *opaque) |
1521 | { | |
1522 | return ((SCSIDiskState *)opaque)->tray_locked; | |
1523 | } | |
1524 | ||
1525 | static const BlockDevOps scsi_cd_block_ops = { | |
2c6942fa | 1526 | .change_media_cb = scsi_cd_change_media_cb, |
4480de19 | 1527 | .eject_request_cb = scsi_cd_eject_request_cb, |
e4def80b | 1528 | .is_tray_open = scsi_cd_is_tray_open, |
f107639a MA |
1529 | .is_medium_locked = scsi_cd_is_medium_locked, |
1530 | }; | |
1531 | ||
8a9c16f6 PB |
1532 | static void scsi_disk_unit_attention_reported(SCSIDevice *dev) |
1533 | { | |
1534 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); | |
1535 | if (s->media_changed) { | |
1536 | s->media_changed = false; | |
1537 | s->qdev.unit_attention = SENSE_CODE(MEDIUM_CHANGED); | |
1538 | } | |
1539 | } | |
1540 | ||
e39be482 | 1541 | static int scsi_initfn(SCSIDevice *dev) |
2e5d83bb | 1542 | { |
d52affa7 | 1543 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
f8b6cc00 | 1544 | DriveInfo *dinfo; |
2e5d83bb | 1545 | |
f8b6cc00 | 1546 | if (!s->qdev.conf.bs) { |
6a84cb1f | 1547 | error_report("drive property not set"); |
d52affa7 GH |
1548 | return -1; |
1549 | } | |
1550 | ||
e39be482 | 1551 | if (!s->removable && !bdrv_is_inserted(s->qdev.conf.bs)) { |
98f28ad7 MA |
1552 | error_report("Device needs media, but drive is empty"); |
1553 | return -1; | |
1554 | } | |
1555 | ||
a0fef654 | 1556 | if (!s->serial) { |
f8b6cc00 | 1557 | /* try to fall back to value set with legacy -drive serial=... */ |
44740c38 | 1558 | dinfo = drive_get_by_blockdev(s->qdev.conf.bs); |
3e1c0c9a | 1559 | if (*dinfo->serial) { |
7267c094 | 1560 | s->serial = g_strdup(dinfo->serial); |
3e1c0c9a | 1561 | } |
a0fef654 MA |
1562 | } |
1563 | ||
552fee93 | 1564 | if (!s->version) { |
7267c094 | 1565 | s->version = g_strdup(QEMU_VERSION); |
552fee93 MA |
1566 | } |
1567 | ||
44740c38 | 1568 | if (bdrv_is_sg(s->qdev.conf.bs)) { |
6a84cb1f | 1569 | error_report("unwanted /dev/sg*"); |
32bb404a MA |
1570 | return -1; |
1571 | } | |
1572 | ||
e39be482 | 1573 | if (s->removable) { |
44740c38 | 1574 | bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_cd_block_ops, s); |
2e5d83bb | 1575 | } |
44740c38 | 1576 | bdrv_set_buffer_alignment(s->qdev.conf.bs, s->qdev.blocksize); |
8cfacf07 | 1577 | |
44740c38 | 1578 | bdrv_iostatus_enable(s->qdev.conf.bs); |
7082826e | 1579 | add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, NULL); |
d52affa7 GH |
1580 | return 0; |
1581 | } | |
1582 | ||
b443ae67 MA |
1583 | static int scsi_hd_initfn(SCSIDevice *dev) |
1584 | { | |
e39be482 PB |
1585 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
1586 | s->qdev.blocksize = s->qdev.conf.logical_block_size; | |
1587 | s->qdev.type = TYPE_DISK; | |
1588 | return scsi_initfn(&s->qdev); | |
b443ae67 MA |
1589 | } |
1590 | ||
1591 | static int scsi_cd_initfn(SCSIDevice *dev) | |
1592 | { | |
e39be482 PB |
1593 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
1594 | s->qdev.blocksize = 2048; | |
1595 | s->qdev.type = TYPE_ROM; | |
1596 | s->removable = true; | |
1597 | return scsi_initfn(&s->qdev); | |
b443ae67 MA |
1598 | } |
1599 | ||
1600 | static int scsi_disk_initfn(SCSIDevice *dev) | |
1601 | { | |
95b5edcd | 1602 | DriveInfo *dinfo; |
b443ae67 MA |
1603 | |
1604 | if (!dev->conf.bs) { | |
e39be482 | 1605 | return scsi_initfn(dev); /* ... and die there */ |
b443ae67 MA |
1606 | } |
1607 | ||
e39be482 PB |
1608 | dinfo = drive_get_by_blockdev(dev->conf.bs); |
1609 | if (dinfo->media_cd) { | |
1610 | return scsi_cd_initfn(dev); | |
1611 | } else { | |
1612 | return scsi_hd_initfn(dev); | |
1613 | } | |
b443ae67 MA |
1614 | } |
1615 | ||
adcf2754 | 1616 | static const SCSIReqOps scsi_disk_reqops = { |
8dbd4574 | 1617 | .size = sizeof(SCSIDiskReq), |
12010e7b PB |
1618 | .free_req = scsi_free_request, |
1619 | .send_command = scsi_send_command, | |
1620 | .read_data = scsi_read_data, | |
1621 | .write_data = scsi_write_data, | |
1622 | .cancel_io = scsi_cancel_io, | |
1623 | .get_buf = scsi_get_buf, | |
8dbd4574 PB |
1624 | }; |
1625 | ||
63db0f0e PB |
1626 | static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun, |
1627 | uint8_t *buf, void *hba_private) | |
8dbd4574 PB |
1628 | { |
1629 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d); | |
1630 | SCSIRequest *req; | |
8dbd4574 PB |
1631 | |
1632 | req = scsi_req_alloc(&scsi_disk_reqops, &s->qdev, tag, lun, hba_private); | |
8dbd4574 PB |
1633 | return req; |
1634 | } | |
1635 | ||
336a6915 PB |
1636 | #ifdef __linux__ |
1637 | static int get_device_type(SCSIDiskState *s) | |
1638 | { | |
1639 | BlockDriverState *bdrv = s->qdev.conf.bs; | |
1640 | uint8_t cmd[16]; | |
1641 | uint8_t buf[36]; | |
1642 | uint8_t sensebuf[8]; | |
1643 | sg_io_hdr_t io_header; | |
1644 | int ret; | |
1645 | ||
1646 | memset(cmd, 0, sizeof(cmd)); | |
1647 | memset(buf, 0, sizeof(buf)); | |
1648 | cmd[0] = INQUIRY; | |
1649 | cmd[4] = sizeof(buf); | |
1650 | ||
1651 | memset(&io_header, 0, sizeof(io_header)); | |
1652 | io_header.interface_id = 'S'; | |
1653 | io_header.dxfer_direction = SG_DXFER_FROM_DEV; | |
1654 | io_header.dxfer_len = sizeof(buf); | |
1655 | io_header.dxferp = buf; | |
1656 | io_header.cmdp = cmd; | |
1657 | io_header.cmd_len = sizeof(cmd); | |
1658 | io_header.mx_sb_len = sizeof(sensebuf); | |
1659 | io_header.sbp = sensebuf; | |
1660 | io_header.timeout = 6000; /* XXX */ | |
1661 | ||
1662 | ret = bdrv_ioctl(bdrv, SG_IO, &io_header); | |
1663 | if (ret < 0 || io_header.driver_status || io_header.host_status) { | |
1664 | return -1; | |
1665 | } | |
1666 | s->qdev.type = buf[0]; | |
1667 | s->removable = (buf[1] & 0x80) != 0; | |
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | static int scsi_block_initfn(SCSIDevice *dev) | |
1672 | { | |
1673 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); | |
1674 | int sg_version; | |
1675 | int rc; | |
1676 | ||
1677 | if (!s->qdev.conf.bs) { | |
1678 | error_report("scsi-block: drive property not set"); | |
1679 | return -1; | |
1680 | } | |
1681 | ||
1682 | /* check we are using a driver managing SG_IO (version 3 and after) */ | |
1683 | if (bdrv_ioctl(s->qdev.conf.bs, SG_GET_VERSION_NUM, &sg_version) < 0 || | |
1684 | sg_version < 30000) { | |
1685 | error_report("scsi-block: scsi generic interface too old"); | |
1686 | return -1; | |
1687 | } | |
1688 | ||
1689 | /* get device type from INQUIRY data */ | |
1690 | rc = get_device_type(s); | |
1691 | if (rc < 0) { | |
1692 | error_report("scsi-block: INQUIRY failed"); | |
1693 | return -1; | |
1694 | } | |
1695 | ||
1696 | /* Make a guess for the block size, we'll fix it when the guest sends. | |
1697 | * READ CAPACITY. If they don't, they likely would assume these sizes | |
1698 | * anyway. (TODO: check in /sys). | |
1699 | */ | |
1700 | if (s->qdev.type == TYPE_ROM || s->qdev.type == TYPE_WORM) { | |
1701 | s->qdev.blocksize = 2048; | |
1702 | } else { | |
1703 | s->qdev.blocksize = 512; | |
1704 | } | |
1705 | return scsi_initfn(&s->qdev); | |
1706 | } | |
1707 | ||
1708 | static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag, | |
1709 | uint32_t lun, uint8_t *buf, | |
1710 | void *hba_private) | |
1711 | { | |
1712 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d); | |
1713 | ||
1714 | switch (buf[0]) { | |
1715 | case READ_6: | |
1716 | case READ_10: | |
1717 | case READ_12: | |
1718 | case READ_16: | |
1719 | case WRITE_6: | |
1720 | case WRITE_10: | |
1721 | case WRITE_12: | |
1722 | case WRITE_16: | |
1723 | case WRITE_VERIFY_10: | |
1724 | case WRITE_VERIFY_12: | |
1725 | case WRITE_VERIFY_16: | |
33ebad12 PB |
1726 | /* MMC writing cannot be done via pread/pwrite, because it sometimes |
1727 | * involves writing beyond the maximum LBA or to negative LBA (lead-in). | |
1728 | * And once you do these writes, reading from the block device is | |
1729 | * unreliable, too. It is even possible that reads deliver random data | |
1730 | * from the host page cache (this is probably a Linux bug). | |
1731 | * | |
1732 | * We might use scsi_disk_reqops as long as no writing commands are | |
1733 | * seen, but performance usually isn't paramount on optical media. So, | |
1734 | * just make scsi-block operate the same as scsi-generic for them. | |
1735 | */ | |
1736 | if (s->qdev.type != TYPE_ROM) { | |
1737 | return scsi_req_alloc(&scsi_disk_reqops, &s->qdev, tag, lun, | |
1738 | hba_private); | |
1739 | } | |
336a6915 PB |
1740 | } |
1741 | ||
1742 | return scsi_req_alloc(&scsi_generic_req_ops, &s->qdev, tag, lun, | |
1743 | hba_private); | |
1744 | } | |
1745 | #endif | |
1746 | ||
b443ae67 MA |
1747 | #define DEFINE_SCSI_DISK_PROPERTIES() \ |
1748 | DEFINE_BLOCK_PROPERTIES(SCSIDiskState, qdev.conf), \ | |
1749 | DEFINE_PROP_STRING("ver", SCSIDiskState, version), \ | |
1750 | DEFINE_PROP_STRING("serial", SCSIDiskState, serial) | |
1751 | ||
39bffca2 AL |
1752 | static Property scsi_hd_properties[] = { |
1753 | DEFINE_SCSI_DISK_PROPERTIES(), | |
1754 | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), | |
1755 | DEFINE_PROP_END_OF_LIST(), | |
1756 | }; | |
1757 | ||
b9eea3e6 AL |
1758 | static void scsi_hd_class_initfn(ObjectClass *klass, void *data) |
1759 | { | |
39bffca2 | 1760 | DeviceClass *dc = DEVICE_CLASS(klass); |
b9eea3e6 AL |
1761 | SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass); |
1762 | ||
1763 | sc->init = scsi_hd_initfn; | |
1764 | sc->destroy = scsi_destroy; | |
1765 | sc->alloc_req = scsi_new_request; | |
1766 | sc->unit_attention_reported = scsi_disk_unit_attention_reported; | |
39bffca2 AL |
1767 | dc->fw_name = "disk"; |
1768 | dc->desc = "virtual SCSI disk"; | |
1769 | dc->reset = scsi_disk_reset; | |
1770 | dc->props = scsi_hd_properties; | |
b9eea3e6 AL |
1771 | } |
1772 | ||
39bffca2 AL |
1773 | static TypeInfo scsi_hd_info = { |
1774 | .name = "scsi-hd", | |
1775 | .parent = TYPE_SCSI_DEVICE, | |
1776 | .instance_size = sizeof(SCSIDiskState), | |
1777 | .class_init = scsi_hd_class_initfn, | |
1778 | }; | |
1779 | ||
1780 | static Property scsi_cd_properties[] = { | |
1781 | DEFINE_SCSI_DISK_PROPERTIES(), | |
1782 | DEFINE_PROP_END_OF_LIST(), | |
b9eea3e6 AL |
1783 | }; |
1784 | ||
1785 | static void scsi_cd_class_initfn(ObjectClass *klass, void *data) | |
1786 | { | |
39bffca2 | 1787 | DeviceClass *dc = DEVICE_CLASS(klass); |
b9eea3e6 AL |
1788 | SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass); |
1789 | ||
1790 | sc->init = scsi_cd_initfn; | |
1791 | sc->destroy = scsi_destroy; | |
1792 | sc->alloc_req = scsi_new_request; | |
1793 | sc->unit_attention_reported = scsi_disk_unit_attention_reported; | |
39bffca2 AL |
1794 | dc->fw_name = "disk"; |
1795 | dc->desc = "virtual SCSI CD-ROM"; | |
1796 | dc->reset = scsi_disk_reset; | |
1797 | dc->props = scsi_cd_properties; | |
b9eea3e6 AL |
1798 | } |
1799 | ||
39bffca2 AL |
1800 | static TypeInfo scsi_cd_info = { |
1801 | .name = "scsi-cd", | |
1802 | .parent = TYPE_SCSI_DEVICE, | |
1803 | .instance_size = sizeof(SCSIDiskState), | |
1804 | .class_init = scsi_cd_class_initfn, | |
b9eea3e6 AL |
1805 | }; |
1806 | ||
336a6915 | 1807 | #ifdef __linux__ |
39bffca2 AL |
1808 | static Property scsi_block_properties[] = { |
1809 | DEFINE_SCSI_DISK_PROPERTIES(), | |
1810 | DEFINE_PROP_END_OF_LIST(), | |
1811 | }; | |
1812 | ||
b9eea3e6 AL |
1813 | static void scsi_block_class_initfn(ObjectClass *klass, void *data) |
1814 | { | |
39bffca2 | 1815 | DeviceClass *dc = DEVICE_CLASS(klass); |
b9eea3e6 AL |
1816 | SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass); |
1817 | ||
1818 | sc->init = scsi_block_initfn; | |
1819 | sc->destroy = scsi_destroy; | |
1820 | sc->alloc_req = scsi_block_new_request; | |
39bffca2 AL |
1821 | dc->fw_name = "disk"; |
1822 | dc->desc = "SCSI block device passthrough"; | |
1823 | dc->reset = scsi_disk_reset; | |
1824 | dc->props = scsi_block_properties; | |
b9eea3e6 AL |
1825 | } |
1826 | ||
39bffca2 AL |
1827 | static TypeInfo scsi_block_info = { |
1828 | .name = "scsi-block", | |
1829 | .parent = TYPE_SCSI_DEVICE, | |
1830 | .instance_size = sizeof(SCSIDiskState), | |
1831 | .class_init = scsi_block_class_initfn, | |
b9eea3e6 | 1832 | }; |
336a6915 | 1833 | #endif |
b9eea3e6 | 1834 | |
39bffca2 AL |
1835 | static Property scsi_disk_properties[] = { |
1836 | DEFINE_SCSI_DISK_PROPERTIES(), | |
1837 | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), | |
1838 | DEFINE_PROP_END_OF_LIST(), | |
1839 | }; | |
1840 | ||
b9eea3e6 AL |
1841 | static void scsi_disk_class_initfn(ObjectClass *klass, void *data) |
1842 | { | |
39bffca2 | 1843 | DeviceClass *dc = DEVICE_CLASS(klass); |
b9eea3e6 AL |
1844 | SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass); |
1845 | ||
1846 | sc->init = scsi_disk_initfn; | |
1847 | sc->destroy = scsi_destroy; | |
1848 | sc->alloc_req = scsi_new_request; | |
1849 | sc->unit_attention_reported = scsi_disk_unit_attention_reported; | |
39bffca2 AL |
1850 | dc->fw_name = "disk"; |
1851 | dc->desc = "virtual SCSI disk or CD-ROM (legacy)"; | |
1852 | dc->reset = scsi_disk_reset; | |
1853 | dc->props = scsi_disk_properties; | |
b9eea3e6 AL |
1854 | } |
1855 | ||
39bffca2 AL |
1856 | static TypeInfo scsi_disk_info = { |
1857 | .name = "scsi-disk", | |
1858 | .parent = TYPE_SCSI_DEVICE, | |
1859 | .instance_size = sizeof(SCSIDiskState), | |
1860 | .class_init = scsi_disk_class_initfn, | |
d52affa7 GH |
1861 | }; |
1862 | ||
83f7d43a | 1863 | static void scsi_disk_register_types(void) |
d52affa7 | 1864 | { |
39bffca2 AL |
1865 | type_register_static(&scsi_hd_info); |
1866 | type_register_static(&scsi_cd_info); | |
b9eea3e6 | 1867 | #ifdef __linux__ |
39bffca2 | 1868 | type_register_static(&scsi_block_info); |
b9eea3e6 | 1869 | #endif |
39bffca2 | 1870 | type_register_static(&scsi_disk_info); |
8ccc2ace | 1871 | } |
83f7d43a AF |
1872 | |
1873 | type_init(scsi_disk_register_types) |