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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" |
22864256 | 41 | |
f0f72ffe | 42 | #define SCSI_DMA_BUF_SIZE 131072 |
57575058 | 43 | #define SCSI_MAX_INQUIRY_LEN 256 |
a917d384 | 44 | |
5dba48a8 KW |
45 | #define SCSI_REQ_STATUS_RETRY 0x01 |
46 | #define SCSI_REQ_STATUS_RETRY_TYPE_MASK 0x06 | |
47 | #define SCSI_REQ_STATUS_RETRY_READ 0x00 | |
48 | #define SCSI_REQ_STATUS_RETRY_WRITE 0x02 | |
78ced65e | 49 | #define SCSI_REQ_STATUS_RETRY_FLUSH 0x04 |
ea8a5d7f | 50 | |
d52affa7 GH |
51 | typedef struct SCSIDiskState SCSIDiskState; |
52 | ||
4c41d2ef GH |
53 | typedef struct SCSIDiskReq { |
54 | SCSIRequest req; | |
a917d384 | 55 | /* Both sector and sector_count are in terms of qemu 512 byte blocks. */ |
e035b43d AL |
56 | uint64_t sector; |
57 | uint32_t sector_count; | |
c87c0672 AL |
58 | struct iovec iov; |
59 | QEMUIOVector qiov; | |
ea8a5d7f | 60 | uint32_t status; |
a597e79c | 61 | BlockAcctCookie acct; |
4c41d2ef | 62 | } SCSIDiskReq; |
a917d384 | 63 | |
d52affa7 | 64 | struct SCSIDiskState |
a917d384 | 65 | { |
d52affa7 | 66 | SCSIDevice qdev; |
428c149b | 67 | BlockDriverState *bs; |
a917d384 PB |
68 | /* The qemu block layer uses a fixed 512 byte sector size. |
69 | This is the number of 512 byte blocks in a single scsi sector. */ | |
70 | int cluster_size; | |
419e691f | 71 | uint32_t removable; |
274fb0e1 | 72 | uint64_t max_lba; |
213189ab | 73 | QEMUBH *bh; |
383b4d9b | 74 | char *version; |
a0fef654 | 75 | char *serial; |
ece0d5e9 | 76 | bool tray_open; |
81b1008d | 77 | bool tray_locked; |
2e5d83bb PB |
78 | }; |
79 | ||
5dba48a8 | 80 | static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type); |
78ced65e | 81 | static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf); |
5dba48a8 | 82 | |
ad2d30f7 | 83 | static void scsi_free_request(SCSIRequest *req) |
4d611c9a | 84 | { |
ad2d30f7 PB |
85 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
86 | ||
f8a83245 | 87 | qemu_vfree(r->iov.iov_base); |
4d611c9a PB |
88 | } |
89 | ||
b45ef674 PB |
90 | /* Helper function for command completion with sense. */ |
91 | static void scsi_check_condition(SCSIDiskReq *r, SCSISense sense) | |
ed3a34a3 | 92 | { |
02fa69b6 BS |
93 | DPRINTF("Command complete tag=0x%x sense=%d/%d/%d\n", |
94 | r->req.tag, sense.key, sense.asc, sense.ascq); | |
b45ef674 PB |
95 | scsi_req_build_sense(&r->req, sense); |
96 | scsi_req_complete(&r->req, CHECK_CONDITION); | |
4d611c9a PB |
97 | } |
98 | ||
99 | /* Cancel a pending data transfer. */ | |
5c6c0e51 | 100 | static void scsi_cancel_io(SCSIRequest *req) |
4d611c9a | 101 | { |
5c6c0e51 HR |
102 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
103 | ||
104 | DPRINTF("Cancel tag=0x%x\n", req->tag); | |
105 | if (r->req.aiocb) { | |
106 | bdrv_aio_cancel(r->req.aiocb); | |
a917d384 | 107 | } |
5c6c0e51 | 108 | r->req.aiocb = NULL; |
a917d384 PB |
109 | } |
110 | ||
111 | static void scsi_read_complete(void * opaque, int ret) | |
112 | { | |
4c41d2ef | 113 | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
a597e79c | 114 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
5dba48a8 | 115 | int n; |
a917d384 | 116 | |
8e321cc6 PB |
117 | if (r->req.aiocb != NULL) { |
118 | r->req.aiocb = NULL; | |
119 | bdrv_acct_done(s->bs, &r->acct); | |
120 | } | |
a597e79c | 121 | |
a917d384 | 122 | if (ret) { |
5dba48a8 KW |
123 | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_READ)) { |
124 | return; | |
125 | } | |
4d611c9a | 126 | } |
5dba48a8 | 127 | |
aa2b1e89 | 128 | DPRINTF("Data ready tag=0x%x len=%zd\n", r->req.tag, r->iov.iov_len); |
a917d384 | 129 | |
5dba48a8 KW |
130 | n = r->iov.iov_len / 512; |
131 | r->sector += n; | |
132 | r->sector_count -= n; | |
ab9adc88 | 133 | scsi_req_data(&r->req, r->iov.iov_len); |
4d611c9a PB |
134 | } |
135 | ||
0a4ac106 PB |
136 | static void scsi_flush_complete(void * opaque, int ret) |
137 | { | |
138 | SCSIDiskReq *r = (SCSIDiskReq *)opaque; | |
139 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); | |
140 | ||
141 | if (r->req.aiocb != NULL) { | |
142 | r->req.aiocb = NULL; | |
143 | bdrv_acct_done(s->bs, &r->acct); | |
144 | } | |
145 | ||
146 | if (ret < 0) { | |
147 | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_FLUSH)) { | |
148 | return; | |
149 | } | |
150 | } | |
151 | ||
152 | scsi_req_complete(&r->req, GOOD); | |
153 | } | |
5dba48a8 | 154 | |
5c6c0e51 HR |
155 | /* Read more data from scsi device into buffer. */ |
156 | static void scsi_read_data(SCSIRequest *req) | |
2e5d83bb | 157 | { |
5c6c0e51 | 158 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
5dba48a8 | 159 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
2e5d83bb PB |
160 | uint32_t n; |
161 | ||
a917d384 | 162 | if (r->sector_count == (uint32_t)-1) { |
aa2b1e89 | 163 | DPRINTF("Read buf_len=%zd\n", r->iov.iov_len); |
a917d384 | 164 | r->sector_count = 0; |
ab9adc88 | 165 | scsi_req_data(&r->req, r->iov.iov_len); |
a917d384 | 166 | return; |
2e5d83bb | 167 | } |
a917d384 PB |
168 | DPRINTF("Read sector_count=%d\n", r->sector_count); |
169 | if (r->sector_count == 0) { | |
b45ef674 PB |
170 | /* This also clears the sense buffer for REQUEST SENSE. */ |
171 | scsi_req_complete(&r->req, GOOD); | |
a917d384 | 172 | return; |
2e5d83bb PB |
173 | } |
174 | ||
6fa2c95f SH |
175 | /* No data transfer may already be in progress */ |
176 | assert(r->req.aiocb == NULL); | |
177 | ||
efb9ee02 HR |
178 | if (r->req.cmd.mode == SCSI_XFER_TO_DEV) { |
179 | DPRINTF("Data transfer direction invalid\n"); | |
180 | scsi_read_complete(r, -EINVAL); | |
181 | return; | |
182 | } | |
183 | ||
a917d384 PB |
184 | n = r->sector_count; |
185 | if (n > SCSI_DMA_BUF_SIZE / 512) | |
186 | n = SCSI_DMA_BUF_SIZE / 512; | |
187 | ||
a1aff5bf MA |
188 | if (s->tray_open) { |
189 | scsi_read_complete(r, -ENOMEDIUM); | |
190 | } | |
c87c0672 AL |
191 | r->iov.iov_len = n * 512; |
192 | qemu_iovec_init_external(&r->qiov, &r->iov, 1); | |
a597e79c CH |
193 | |
194 | bdrv_acct_start(s->bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); | |
428c149b | 195 | r->req.aiocb = bdrv_aio_readv(s->bs, r->sector, &r->qiov, n, |
c87c0672 | 196 | scsi_read_complete, r); |
d33ea50a KW |
197 | if (r->req.aiocb == NULL) { |
198 | scsi_read_complete(r, -EIO); | |
199 | } | |
2e5d83bb PB |
200 | } |
201 | ||
5dba48a8 KW |
202 | static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type) |
203 | { | |
204 | int is_read = (type == SCSI_REQ_STATUS_RETRY_READ); | |
4c41d2ef | 205 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
5dba48a8 | 206 | BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); |
ea8a5d7f | 207 | |
380f640f | 208 | if (action == BLOCK_ERR_IGNORE) { |
5dba48a8 | 209 | bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read); |
ea8a5d7f | 210 | return 0; |
380f640f | 211 | } |
ea8a5d7f AL |
212 | |
213 | if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) | |
214 | || action == BLOCK_ERR_STOP_ANY) { | |
5dba48a8 KW |
215 | |
216 | type &= SCSI_REQ_STATUS_RETRY_TYPE_MASK; | |
217 | r->status |= SCSI_REQ_STATUS_RETRY | type; | |
218 | ||
219 | bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read); | |
e07bbac5 | 220 | vm_stop(VMSTOP_DISKFULL); |
ea8a5d7f | 221 | } else { |
efb9ee02 HR |
222 | switch (error) { |
223 | case ENOMEM: | |
b45ef674 | 224 | scsi_check_condition(r, SENSE_CODE(TARGET_FAILURE)); |
efb9ee02 HR |
225 | break; |
226 | case EINVAL: | |
b45ef674 | 227 | scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); |
efb9ee02 HR |
228 | break; |
229 | default: | |
b45ef674 | 230 | scsi_check_condition(r, SENSE_CODE(IO_ERROR)); |
efb9ee02 | 231 | break; |
a1f0cce2 | 232 | } |
5dba48a8 | 233 | bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read); |
ea8a5d7f | 234 | } |
ea8a5d7f AL |
235 | return 1; |
236 | } | |
237 | ||
4d611c9a PB |
238 | static void scsi_write_complete(void * opaque, int ret) |
239 | { | |
4c41d2ef | 240 | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
a597e79c | 241 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
a917d384 | 242 | uint32_t len; |
ea8a5d7f AL |
243 | uint32_t n; |
244 | ||
8e321cc6 PB |
245 | if (r->req.aiocb != NULL) { |
246 | r->req.aiocb = NULL; | |
247 | bdrv_acct_done(s->bs, &r->acct); | |
248 | } | |
a597e79c | 249 | |
4d611c9a | 250 | if (ret) { |
5dba48a8 | 251 | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_WRITE)) { |
ea8a5d7f | 252 | return; |
5dba48a8 | 253 | } |
4d611c9a PB |
254 | } |
255 | ||
c87c0672 | 256 | n = r->iov.iov_len / 512; |
ea8a5d7f AL |
257 | r->sector += n; |
258 | r->sector_count -= n; | |
a917d384 | 259 | if (r->sector_count == 0) { |
b45ef674 | 260 | scsi_req_complete(&r->req, GOOD); |
a917d384 PB |
261 | } else { |
262 | len = r->sector_count * 512; | |
263 | if (len > SCSI_DMA_BUF_SIZE) { | |
264 | len = SCSI_DMA_BUF_SIZE; | |
265 | } | |
c87c0672 | 266 | r->iov.iov_len = len; |
4c41d2ef | 267 | DPRINTF("Write complete tag=0x%x more=%d\n", r->req.tag, len); |
ab9adc88 | 268 | scsi_req_data(&r->req, len); |
4d611c9a | 269 | } |
4d611c9a PB |
270 | } |
271 | ||
42741212 | 272 | static void scsi_write_data(SCSIRequest *req) |
ea8a5d7f | 273 | { |
5c6c0e51 | 274 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
4c41d2ef | 275 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
ea8a5d7f AL |
276 | uint32_t n; |
277 | ||
6fa2c95f SH |
278 | /* No data transfer may already be in progress */ |
279 | assert(r->req.aiocb == NULL); | |
280 | ||
efb9ee02 HR |
281 | if (r->req.cmd.mode != SCSI_XFER_TO_DEV) { |
282 | DPRINTF("Data transfer direction invalid\n"); | |
283 | scsi_write_complete(r, -EINVAL); | |
42741212 | 284 | return; |
efb9ee02 HR |
285 | } |
286 | ||
c87c0672 | 287 | n = r->iov.iov_len / 512; |
ea8a5d7f | 288 | if (n) { |
a1aff5bf MA |
289 | if (s->tray_open) { |
290 | scsi_write_complete(r, -ENOMEDIUM); | |
291 | } | |
c87c0672 | 292 | qemu_iovec_init_external(&r->qiov, &r->iov, 1); |
a597e79c CH |
293 | |
294 | bdrv_acct_start(s->bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_WRITE); | |
428c149b | 295 | r->req.aiocb = bdrv_aio_writev(s->bs, r->sector, &r->qiov, n, |
c87c0672 | 296 | scsi_write_complete, r); |
d33ea50a | 297 | if (r->req.aiocb == NULL) { |
a1f0cce2 | 298 | scsi_write_complete(r, -ENOMEM); |
d33ea50a | 299 | } |
ea8a5d7f AL |
300 | } else { |
301 | /* Invoke completion routine to fetch data from host. */ | |
302 | scsi_write_complete(r, 0); | |
303 | } | |
a917d384 | 304 | } |
2e5d83bb | 305 | |
213189ab | 306 | static void scsi_dma_restart_bh(void *opaque) |
ea8a5d7f | 307 | { |
d52affa7 | 308 | SCSIDiskState *s = opaque; |
9af99d98 GH |
309 | SCSIRequest *req; |
310 | SCSIDiskReq *r; | |
213189ab MA |
311 | |
312 | qemu_bh_delete(s->bh); | |
313 | s->bh = NULL; | |
ea8a5d7f | 314 | |
9af99d98 GH |
315 | QTAILQ_FOREACH(req, &s->qdev.requests, next) { |
316 | r = DO_UPCAST(SCSIDiskReq, req, req); | |
ea8a5d7f | 317 | if (r->status & SCSI_REQ_STATUS_RETRY) { |
5dba48a8 | 318 | int status = r->status; |
78ced65e KW |
319 | int ret; |
320 | ||
5dba48a8 KW |
321 | r->status &= |
322 | ~(SCSI_REQ_STATUS_RETRY | SCSI_REQ_STATUS_RETRY_TYPE_MASK); | |
323 | ||
324 | switch (status & SCSI_REQ_STATUS_RETRY_TYPE_MASK) { | |
325 | case SCSI_REQ_STATUS_RETRY_READ: | |
5c6c0e51 | 326 | scsi_read_data(&r->req); |
5dba48a8 KW |
327 | break; |
328 | case SCSI_REQ_STATUS_RETRY_WRITE: | |
5c6c0e51 | 329 | scsi_write_data(&r->req); |
5dba48a8 | 330 | break; |
78ced65e KW |
331 | case SCSI_REQ_STATUS_RETRY_FLUSH: |
332 | ret = scsi_disk_emulate_command(r, r->iov.iov_base); | |
333 | if (ret == 0) { | |
b45ef674 | 334 | scsi_req_complete(&r->req, GOOD); |
78ced65e | 335 | } |
5dba48a8 | 336 | } |
ea8a5d7f | 337 | } |
ea8a5d7f AL |
338 | } |
339 | } | |
340 | ||
213189ab MA |
341 | static void scsi_dma_restart_cb(void *opaque, int running, int reason) |
342 | { | |
d52affa7 | 343 | SCSIDiskState *s = opaque; |
213189ab MA |
344 | |
345 | if (!running) | |
346 | return; | |
347 | ||
348 | if (!s->bh) { | |
349 | s->bh = qemu_bh_new(scsi_dma_restart_bh, s); | |
350 | qemu_bh_schedule(s->bh); | |
351 | } | |
352 | } | |
353 | ||
a917d384 | 354 | /* Return a pointer to the data buffer. */ |
5c6c0e51 | 355 | static uint8_t *scsi_get_buf(SCSIRequest *req) |
a917d384 | 356 | { |
5c6c0e51 | 357 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
2e5d83bb | 358 | |
3f4cb3d3 | 359 | return (uint8_t *)r->iov.iov_base; |
2e5d83bb PB |
360 | } |
361 | ||
0b06c059 GH |
362 | static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) |
363 | { | |
383b4d9b | 364 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
0b06c059 GH |
365 | int buflen = 0; |
366 | ||
367 | if (req->cmd.buf[1] & 0x2) { | |
368 | /* Command support data - optional, not implemented */ | |
369 | BADF("optional INQUIRY command support request not implemented\n"); | |
370 | return -1; | |
371 | } | |
372 | ||
373 | if (req->cmd.buf[1] & 0x1) { | |
374 | /* Vital product data */ | |
375 | uint8_t page_code = req->cmd.buf[2]; | |
376 | if (req->cmd.xfer < 4) { | |
377 | BADF("Error: Inquiry (EVPD[%02X]) buffer size %zd is " | |
378 | "less than 4\n", page_code, req->cmd.xfer); | |
379 | return -1; | |
380 | } | |
381 | ||
f37bd73b | 382 | if (s->qdev.type == TYPE_ROM) { |
0b06c059 GH |
383 | outbuf[buflen++] = 5; |
384 | } else { | |
385 | outbuf[buflen++] = 0; | |
386 | } | |
387 | outbuf[buflen++] = page_code ; // this page | |
388 | outbuf[buflen++] = 0x00; | |
389 | ||
390 | switch (page_code) { | |
391 | case 0x00: /* Supported page codes, mandatory */ | |
39d98982 HR |
392 | { |
393 | int pages; | |
0b06c059 GH |
394 | DPRINTF("Inquiry EVPD[Supported pages] " |
395 | "buffer size %zd\n", req->cmd.xfer); | |
39d98982 | 396 | pages = buflen++; |
0b06c059 | 397 | outbuf[buflen++] = 0x00; // list of supported pages (this page) |
3e1c0c9a HR |
398 | if (s->serial) |
399 | outbuf[buflen++] = 0x80; // unit serial number | |
0b06c059 | 400 | outbuf[buflen++] = 0x83; // device identification |
f37bd73b | 401 | if (s->qdev.type == TYPE_DISK) { |
ea3bd56f CH |
402 | outbuf[buflen++] = 0xb0; // block limits |
403 | outbuf[buflen++] = 0xb2; // thin provisioning | |
39d98982 HR |
404 | } |
405 | outbuf[pages] = buflen - pages - 1; // number of pages | |
0b06c059 | 406 | break; |
39d98982 | 407 | } |
0b06c059 GH |
408 | case 0x80: /* Device serial number, optional */ |
409 | { | |
3e1c0c9a | 410 | int l; |
0b06c059 | 411 | |
3e1c0c9a HR |
412 | if (!s->serial) { |
413 | DPRINTF("Inquiry (EVPD[Serial number] not supported\n"); | |
414 | return -1; | |
415 | } | |
416 | ||
417 | l = strlen(s->serial); | |
0b06c059 GH |
418 | if (l > req->cmd.xfer) |
419 | l = req->cmd.xfer; | |
420 | if (l > 20) | |
421 | l = 20; | |
422 | ||
423 | DPRINTF("Inquiry EVPD[Serial number] " | |
424 | "buffer size %zd\n", req->cmd.xfer); | |
425 | outbuf[buflen++] = l; | |
a0fef654 | 426 | memcpy(outbuf+buflen, s->serial, l); |
0b06c059 GH |
427 | buflen += l; |
428 | break; | |
429 | } | |
430 | ||
431 | case 0x83: /* Device identification page, mandatory */ | |
432 | { | |
433 | int max_len = 255 - 8; | |
428c149b | 434 | int id_len = strlen(bdrv_get_device_name(s->bs)); |
0b06c059 GH |
435 | |
436 | if (id_len > max_len) | |
437 | id_len = max_len; | |
438 | DPRINTF("Inquiry EVPD[Device identification] " | |
439 | "buffer size %zd\n", req->cmd.xfer); | |
440 | ||
39d98982 | 441 | outbuf[buflen++] = 4 + id_len; |
0b06c059 GH |
442 | outbuf[buflen++] = 0x2; // ASCII |
443 | outbuf[buflen++] = 0; // not officially assigned | |
444 | outbuf[buflen++] = 0; // reserved | |
445 | outbuf[buflen++] = id_len; // length of data following | |
446 | ||
428c149b | 447 | memcpy(outbuf+buflen, bdrv_get_device_name(s->bs), id_len); |
0b06c059 GH |
448 | buflen += id_len; |
449 | break; | |
450 | } | |
ea3bd56f | 451 | case 0xb0: /* block limits */ |
ee3659e3 | 452 | { |
ea3bd56f CH |
453 | unsigned int unmap_sectors = |
454 | s->qdev.conf.discard_granularity / s->qdev.blocksize; | |
8cfacf07 CH |
455 | unsigned int min_io_size = |
456 | s->qdev.conf.min_io_size / s->qdev.blocksize; | |
457 | unsigned int opt_io_size = | |
458 | s->qdev.conf.opt_io_size / s->qdev.blocksize; | |
ee3659e3 | 459 | |
f37bd73b | 460 | if (s->qdev.type == TYPE_ROM) { |
39d98982 HR |
461 | DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n", |
462 | page_code); | |
463 | return -1; | |
464 | } | |
ee3659e3 CH |
465 | /* required VPD size with unmap support */ |
466 | outbuf[3] = buflen = 0x3c; | |
467 | ||
468 | memset(outbuf + 4, 0, buflen - 4); | |
469 | ||
470 | /* optimal transfer length granularity */ | |
471 | outbuf[6] = (min_io_size >> 8) & 0xff; | |
472 | outbuf[7] = min_io_size & 0xff; | |
473 | ||
474 | /* optimal transfer length */ | |
475 | outbuf[12] = (opt_io_size >> 24) & 0xff; | |
476 | outbuf[13] = (opt_io_size >> 16) & 0xff; | |
477 | outbuf[14] = (opt_io_size >> 8) & 0xff; | |
478 | outbuf[15] = opt_io_size & 0xff; | |
ea3bd56f CH |
479 | |
480 | /* optimal unmap granularity */ | |
481 | outbuf[28] = (unmap_sectors >> 24) & 0xff; | |
482 | outbuf[29] = (unmap_sectors >> 16) & 0xff; | |
483 | outbuf[30] = (unmap_sectors >> 8) & 0xff; | |
484 | outbuf[31] = unmap_sectors & 0xff; | |
485 | break; | |
486 | } | |
487 | case 0xb2: /* thin provisioning */ | |
488 | { | |
489 | outbuf[3] = buflen = 8; | |
490 | outbuf[4] = 0; | |
491 | outbuf[5] = 0x40; /* write same with unmap supported */ | |
492 | outbuf[6] = 0; | |
493 | outbuf[7] = 0; | |
ee3659e3 CH |
494 | break; |
495 | } | |
0b06c059 GH |
496 | default: |
497 | BADF("Error: unsupported Inquiry (EVPD[%02X]) " | |
498 | "buffer size %zd\n", page_code, req->cmd.xfer); | |
499 | return -1; | |
500 | } | |
501 | /* done with EVPD */ | |
502 | return buflen; | |
503 | } | |
504 | ||
505 | /* Standard INQUIRY data */ | |
506 | if (req->cmd.buf[2] != 0) { | |
507 | BADF("Error: Inquiry (STANDARD) page or code " | |
508 | "is non-zero [%02X]\n", req->cmd.buf[2]); | |
509 | return -1; | |
510 | } | |
511 | ||
512 | /* PAGE CODE == 0 */ | |
513 | if (req->cmd.xfer < 5) { | |
514 | BADF("Error: Inquiry (STANDARD) buffer size %zd " | |
515 | "is less than 5\n", req->cmd.xfer); | |
516 | return -1; | |
517 | } | |
518 | ||
0b06c059 GH |
519 | buflen = req->cmd.xfer; |
520 | if (buflen > SCSI_MAX_INQUIRY_LEN) | |
521 | buflen = SCSI_MAX_INQUIRY_LEN; | |
522 | ||
523 | memset(outbuf, 0, buflen); | |
524 | ||
f37bd73b HR |
525 | outbuf[0] = s->qdev.type & 0x1f; |
526 | if (s->qdev.type == TYPE_ROM) { | |
0b06c059 | 527 | outbuf[1] = 0x80; |
550fe6c6 | 528 | memcpy(&outbuf[16], "QEMU CD-ROM ", 16); |
0b06c059 | 529 | } else { |
419e691f | 530 | outbuf[1] = s->removable ? 0x80 : 0; |
550fe6c6 | 531 | memcpy(&outbuf[16], "QEMU HARDDISK ", 16); |
0b06c059 | 532 | } |
550fe6c6 | 533 | memcpy(&outbuf[8], "QEMU ", 8); |
314b1811 | 534 | memset(&outbuf[32], 0, 4); |
552fee93 | 535 | memcpy(&outbuf[32], s->version, MIN(4, strlen(s->version))); |
99aba0c4 CH |
536 | /* |
537 | * We claim conformance to SPC-3, which is required for guests | |
538 | * to ask for modern features like READ CAPACITY(16) or the | |
539 | * block characteristics VPD page by default. Not all of SPC-3 | |
540 | * is actually implemented, but we're good enough. | |
541 | */ | |
ee3659e3 | 542 | outbuf[2] = 5; |
0b06c059 | 543 | outbuf[3] = 2; /* Format 2 */ |
ad3cea42 AT |
544 | |
545 | if (buflen > 36) { | |
546 | outbuf[4] = buflen - 5; /* Additional Length = (Len - 1) - 4 */ | |
547 | } else { | |
548 | /* If the allocation length of CDB is too small, | |
549 | the additional length is not adjusted */ | |
550 | outbuf[4] = 36 - 5; | |
551 | } | |
552 | ||
0b06c059 GH |
553 | /* Sync data transfer and TCQ. */ |
554 | outbuf[7] = 0x10 | (req->bus->tcq ? 0x02 : 0); | |
555 | return buflen; | |
556 | } | |
557 | ||
cfc606da | 558 | static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, |
282ab04e | 559 | int page_control) |
ebddfcbe | 560 | { |
428c149b | 561 | BlockDriverState *bdrv = s->bs; |
ebddfcbe | 562 | int cylinders, heads, secs; |
cfc606da | 563 | uint8_t *p = *p_outbuf; |
ebddfcbe | 564 | |
282ab04e BK |
565 | /* |
566 | * If Changeable Values are requested, a mask denoting those mode parameters | |
567 | * that are changeable shall be returned. As we currently don't support | |
568 | * parameter changes via MODE_SELECT all bits are returned set to zero. | |
569 | * The buffer was already menset to zero by the caller of this function. | |
570 | */ | |
ebddfcbe GH |
571 | switch (page) { |
572 | case 4: /* Rigid disk device geometry page. */ | |
cfc606da PB |
573 | if (s->qdev.type == TYPE_ROM) { |
574 | return -1; | |
575 | } | |
ebddfcbe GH |
576 | p[0] = 4; |
577 | p[1] = 0x16; | |
282ab04e | 578 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 579 | break; |
282ab04e | 580 | } |
ebddfcbe GH |
581 | /* if a geometry hint is available, use it */ |
582 | bdrv_get_geometry_hint(bdrv, &cylinders, &heads, &secs); | |
583 | p[2] = (cylinders >> 16) & 0xff; | |
584 | p[3] = (cylinders >> 8) & 0xff; | |
585 | p[4] = cylinders & 0xff; | |
586 | p[5] = heads & 0xff; | |
587 | /* Write precomp start cylinder, disabled */ | |
588 | p[6] = (cylinders >> 16) & 0xff; | |
589 | p[7] = (cylinders >> 8) & 0xff; | |
590 | p[8] = cylinders & 0xff; | |
591 | /* Reduced current start cylinder, disabled */ | |
592 | p[9] = (cylinders >> 16) & 0xff; | |
593 | p[10] = (cylinders >> 8) & 0xff; | |
594 | p[11] = cylinders & 0xff; | |
595 | /* Device step rate [ns], 200ns */ | |
596 | p[12] = 0; | |
597 | p[13] = 200; | |
598 | /* Landing zone cylinder */ | |
599 | p[14] = 0xff; | |
600 | p[15] = 0xff; | |
601 | p[16] = 0xff; | |
602 | /* Medium rotation rate [rpm], 5400 rpm */ | |
603 | p[20] = (5400 >> 8) & 0xff; | |
604 | p[21] = 5400 & 0xff; | |
cfc606da | 605 | break; |
ebddfcbe GH |
606 | |
607 | case 5: /* Flexible disk device geometry page. */ | |
cfc606da PB |
608 | if (s->qdev.type == TYPE_ROM) { |
609 | return -1; | |
610 | } | |
ebddfcbe GH |
611 | p[0] = 5; |
612 | p[1] = 0x1e; | |
282ab04e | 613 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 614 | break; |
282ab04e | 615 | } |
ebddfcbe GH |
616 | /* Transfer rate [kbit/s], 5Mbit/s */ |
617 | p[2] = 5000 >> 8; | |
618 | p[3] = 5000 & 0xff; | |
619 | /* if a geometry hint is available, use it */ | |
620 | bdrv_get_geometry_hint(bdrv, &cylinders, &heads, &secs); | |
621 | p[4] = heads & 0xff; | |
622 | p[5] = secs & 0xff; | |
623 | p[6] = s->cluster_size * 2; | |
624 | p[8] = (cylinders >> 8) & 0xff; | |
625 | p[9] = cylinders & 0xff; | |
626 | /* Write precomp start cylinder, disabled */ | |
627 | p[10] = (cylinders >> 8) & 0xff; | |
628 | p[11] = cylinders & 0xff; | |
629 | /* Reduced current start cylinder, disabled */ | |
630 | p[12] = (cylinders >> 8) & 0xff; | |
631 | p[13] = cylinders & 0xff; | |
632 | /* Device step rate [100us], 100us */ | |
633 | p[14] = 0; | |
634 | p[15] = 1; | |
635 | /* Device step pulse width [us], 1us */ | |
636 | p[16] = 1; | |
637 | /* Device head settle delay [100us], 100us */ | |
638 | p[17] = 0; | |
639 | p[18] = 1; | |
640 | /* Motor on delay [0.1s], 0.1s */ | |
641 | p[19] = 1; | |
642 | /* Motor off delay [0.1s], 0.1s */ | |
643 | p[20] = 1; | |
644 | /* Medium rotation rate [rpm], 5400 rpm */ | |
645 | p[28] = (5400 >> 8) & 0xff; | |
646 | p[29] = 5400 & 0xff; | |
cfc606da | 647 | break; |
ebddfcbe GH |
648 | |
649 | case 8: /* Caching page. */ | |
650 | p[0] = 8; | |
651 | p[1] = 0x12; | |
282ab04e | 652 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 653 | break; |
282ab04e | 654 | } |
428c149b | 655 | if (bdrv_enable_write_cache(s->bs)) { |
ebddfcbe GH |
656 | p[2] = 4; /* WCE */ |
657 | } | |
cfc606da | 658 | break; |
ebddfcbe GH |
659 | |
660 | case 0x2a: /* CD Capabilities and Mechanical Status page. */ | |
cfc606da PB |
661 | if (s->qdev.type != TYPE_ROM) { |
662 | return -1; | |
663 | } | |
ebddfcbe GH |
664 | p[0] = 0x2a; |
665 | p[1] = 0x14; | |
282ab04e | 666 | if (page_control == 1) { /* Changeable Values */ |
cfc606da | 667 | break; |
282ab04e | 668 | } |
ebddfcbe GH |
669 | p[2] = 3; // CD-R & CD-RW read |
670 | p[3] = 0; // Writing not supported | |
671 | p[4] = 0x7f; /* Audio, composite, digital out, | |
672 | mode 2 form 1&2, multi session */ | |
673 | p[5] = 0xff; /* CD DA, DA accurate, RW supported, | |
674 | RW corrected, C2 errors, ISRC, | |
675 | UPC, Bar code */ | |
81b1008d | 676 | p[6] = 0x2d | (s->tray_locked ? 2 : 0); |
ebddfcbe GH |
677 | /* Locking supported, jumper present, eject, tray */ |
678 | p[7] = 0; /* no volume & mute control, no | |
679 | changer */ | |
680 | p[8] = (50 * 176) >> 8; // 50x read speed | |
681 | p[9] = (50 * 176) & 0xff; | |
682 | p[10] = 0 >> 8; // No volume | |
683 | p[11] = 0 & 0xff; | |
684 | p[12] = 2048 >> 8; // 2M buffer | |
685 | p[13] = 2048 & 0xff; | |
686 | p[14] = (16 * 176) >> 8; // 16x read speed current | |
687 | p[15] = (16 * 176) & 0xff; | |
688 | p[18] = (16 * 176) >> 8; // 16x write speed | |
689 | p[19] = (16 * 176) & 0xff; | |
690 | p[20] = (16 * 176) >> 8; // 16x write speed current | |
691 | p[21] = (16 * 176) & 0xff; | |
cfc606da | 692 | break; |
ebddfcbe GH |
693 | |
694 | default: | |
cfc606da | 695 | return -1; |
ebddfcbe | 696 | } |
cfc606da PB |
697 | |
698 | *p_outbuf += p[1] + 2; | |
699 | return p[1] + 2; | |
ebddfcbe GH |
700 | } |
701 | ||
cfc606da | 702 | static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf) |
ebddfcbe | 703 | { |
cfc606da | 704 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
ebddfcbe | 705 | uint64_t nb_sectors; |
cfc606da | 706 | int page, dbd, buflen, ret, page_control; |
ebddfcbe | 707 | uint8_t *p; |
ce512ee1 | 708 | uint8_t dev_specific_param; |
ebddfcbe | 709 | |
cfc606da PB |
710 | dbd = r->req.cmd.buf[1] & 0x8; |
711 | page = r->req.cmd.buf[2] & 0x3f; | |
712 | page_control = (r->req.cmd.buf[2] & 0xc0) >> 6; | |
aa2b1e89 | 713 | DPRINTF("Mode Sense(%d) (page %d, xfer %zd, page_control %d)\n", |
cfc606da PB |
714 | (r->req.cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, r->req.cmd.xfer, page_control); |
715 | memset(outbuf, 0, r->req.cmd.xfer); | |
ebddfcbe GH |
716 | p = outbuf; |
717 | ||
0056dcc1 | 718 | if (bdrv_is_read_only(s->bs)) { |
ce512ee1 BK |
719 | dev_specific_param = 0x80; /* Readonly. */ |
720 | } else { | |
721 | dev_specific_param = 0x00; | |
722 | } | |
723 | ||
cfc606da | 724 | if (r->req.cmd.buf[0] == MODE_SENSE) { |
ce512ee1 BK |
725 | p[1] = 0; /* Default media type. */ |
726 | p[2] = dev_specific_param; | |
727 | p[3] = 0; /* Block descriptor length. */ | |
728 | p += 4; | |
729 | } else { /* MODE_SENSE_10 */ | |
730 | p[2] = 0; /* Default media type. */ | |
731 | p[3] = dev_specific_param; | |
732 | p[6] = p[7] = 0; /* Block descriptor length. */ | |
733 | p += 8; | |
ebddfcbe | 734 | } |
ebddfcbe | 735 | |
428c149b | 736 | bdrv_get_geometry(s->bs, &nb_sectors); |
333d50fe | 737 | if (!dbd && nb_sectors) { |
cfc606da | 738 | if (r->req.cmd.buf[0] == MODE_SENSE) { |
ce512ee1 BK |
739 | outbuf[3] = 8; /* Block descriptor length */ |
740 | } else { /* MODE_SENSE_10 */ | |
741 | outbuf[7] = 8; /* Block descriptor length */ | |
742 | } | |
ebddfcbe | 743 | nb_sectors /= s->cluster_size; |
ebddfcbe | 744 | if (nb_sectors > 0xffffff) |
2488b740 | 745 | nb_sectors = 0; |
ebddfcbe GH |
746 | p[0] = 0; /* media density code */ |
747 | p[1] = (nb_sectors >> 16) & 0xff; | |
748 | p[2] = (nb_sectors >> 8) & 0xff; | |
749 | p[3] = nb_sectors & 0xff; | |
750 | p[4] = 0; /* reserved */ | |
751 | p[5] = 0; /* bytes 5-7 are the sector size in bytes */ | |
752 | p[6] = s->cluster_size * 2; | |
753 | p[7] = 0; | |
754 | p += 8; | |
755 | } | |
756 | ||
cfc606da PB |
757 | if (page_control == 3) { |
758 | /* Saved Values */ | |
759 | scsi_check_condition(r, SENSE_CODE(SAVING_PARAMS_NOT_SUPPORTED)); | |
760 | return -1; | |
282ab04e BK |
761 | } |
762 | ||
cfc606da PB |
763 | if (page == 0x3f) { |
764 | for (page = 0; page <= 0x3e; page++) { | |
765 | mode_sense_page(s, page, &p, page_control); | |
766 | } | |
767 | } else { | |
768 | ret = mode_sense_page(s, page, &p, page_control); | |
769 | if (ret == -1) { | |
770 | return -1; | |
771 | } | |
ebddfcbe GH |
772 | } |
773 | ||
774 | buflen = p - outbuf; | |
ce512ee1 BK |
775 | /* |
776 | * The mode data length field specifies the length in bytes of the | |
777 | * following data that is available to be transferred. The mode data | |
778 | * length does not include itself. | |
779 | */ | |
cfc606da | 780 | if (r->req.cmd.buf[0] == MODE_SENSE) { |
ce512ee1 BK |
781 | outbuf[0] = buflen - 1; |
782 | } else { /* MODE_SENSE_10 */ | |
783 | outbuf[0] = ((buflen - 2) >> 8) & 0xff; | |
784 | outbuf[1] = (buflen - 2) & 0xff; | |
785 | } | |
cfc606da PB |
786 | if (buflen > r->req.cmd.xfer) |
787 | buflen = r->req.cmd.xfer; | |
ebddfcbe GH |
788 | return buflen; |
789 | } | |
790 | ||
02880f43 GH |
791 | static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf) |
792 | { | |
793 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); | |
02880f43 GH |
794 | int start_track, format, msf, toclen; |
795 | uint64_t nb_sectors; | |
796 | ||
797 | msf = req->cmd.buf[1] & 2; | |
798 | format = req->cmd.buf[2] & 0xf; | |
799 | start_track = req->cmd.buf[6]; | |
428c149b | 800 | bdrv_get_geometry(s->bs, &nb_sectors); |
02880f43 GH |
801 | DPRINTF("Read TOC (track %d format %d msf %d)\n", start_track, format, msf >> 1); |
802 | nb_sectors /= s->cluster_size; | |
803 | switch (format) { | |
804 | case 0: | |
805 | toclen = cdrom_read_toc(nb_sectors, outbuf, msf, start_track); | |
806 | break; | |
807 | case 1: | |
808 | /* multi session : only a single session defined */ | |
809 | toclen = 12; | |
810 | memset(outbuf, 0, 12); | |
811 | outbuf[1] = 0x0a; | |
812 | outbuf[2] = 0x01; | |
813 | outbuf[3] = 0x01; | |
814 | break; | |
815 | case 2: | |
816 | toclen = cdrom_read_toc_raw(nb_sectors, outbuf, msf, start_track); | |
817 | break; | |
818 | default: | |
819 | return -1; | |
820 | } | |
821 | if (toclen > req->cmd.xfer) | |
822 | toclen = req->cmd.xfer; | |
823 | return toclen; | |
824 | } | |
825 | ||
68bb01f3 | 826 | static int scsi_disk_emulate_start_stop(SCSIDiskReq *r) |
bfd52647 MA |
827 | { |
828 | SCSIRequest *req = &r->req; | |
829 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); | |
830 | bool start = req->cmd.buf[4] & 1; | |
831 | bool loej = req->cmd.buf[4] & 2; /* load on start, eject on !start */ | |
832 | ||
833 | if (s->qdev.type == TYPE_ROM && loej) { | |
68bb01f3 MA |
834 | if (!start && !s->tray_open && s->tray_locked) { |
835 | scsi_check_condition(r, | |
836 | bdrv_is_inserted(s->bs) | |
837 | ? SENSE_CODE(ILLEGAL_REQ_REMOVAL_PREVENTED) | |
838 | : SENSE_CODE(NOT_READY_REMOVAL_PREVENTED)); | |
839 | return -1; | |
fdec4404 | 840 | } |
bfd52647 | 841 | bdrv_eject(s->bs, !start); |
ece0d5e9 | 842 | s->tray_open = !start; |
bfd52647 | 843 | } |
68bb01f3 | 844 | return 0; |
bfd52647 MA |
845 | } |
846 | ||
8af7a3ab | 847 | static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf) |
aa5dbdc1 | 848 | { |
8af7a3ab | 849 | SCSIRequest *req = &r->req; |
e7e25e32 | 850 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
e7e25e32 | 851 | uint64_t nb_sectors; |
aa5dbdc1 GH |
852 | int buflen = 0; |
853 | ||
854 | switch (req->cmd.buf[0]) { | |
855 | case TEST_UNIT_READY: | |
a1aff5bf | 856 | if (s->tray_open || !bdrv_is_inserted(s->bs)) |
aa5dbdc1 | 857 | goto not_ready; |
5f71d32f | 858 | break; |
0b06c059 GH |
859 | case INQUIRY: |
860 | buflen = scsi_disk_emulate_inquiry(req, outbuf); | |
861 | if (buflen < 0) | |
862 | goto illegal_request; | |
5f71d32f | 863 | break; |
ebddfcbe GH |
864 | case MODE_SENSE: |
865 | case MODE_SENSE_10: | |
cfc606da | 866 | buflen = scsi_disk_emulate_mode_sense(r, outbuf); |
ebddfcbe GH |
867 | if (buflen < 0) |
868 | goto illegal_request; | |
869 | break; | |
02880f43 GH |
870 | case READ_TOC: |
871 | buflen = scsi_disk_emulate_read_toc(req, outbuf); | |
872 | if (buflen < 0) | |
873 | goto illegal_request; | |
874 | break; | |
3d53ba18 GH |
875 | case RESERVE: |
876 | if (req->cmd.buf[1] & 1) | |
877 | goto illegal_request; | |
878 | break; | |
879 | case RESERVE_10: | |
880 | if (req->cmd.buf[1] & 3) | |
881 | goto illegal_request; | |
882 | break; | |
883 | case RELEASE: | |
884 | if (req->cmd.buf[1] & 1) | |
885 | goto illegal_request; | |
886 | break; | |
887 | case RELEASE_10: | |
888 | if (req->cmd.buf[1] & 3) | |
889 | goto illegal_request; | |
890 | break; | |
8d3628ff | 891 | case START_STOP: |
68bb01f3 MA |
892 | if (scsi_disk_emulate_start_stop(r) < 0) { |
893 | return -1; | |
894 | } | |
5f71d32f | 895 | break; |
c68b9f34 | 896 | case ALLOW_MEDIUM_REMOVAL: |
81b1008d | 897 | s->tray_locked = req->cmd.buf[4] & 1; |
025e849a | 898 | bdrv_lock_medium(s->bs, req->cmd.buf[4] & 1); |
5f71d32f | 899 | break; |
5e30a07d | 900 | case READ_CAPACITY_10: |
e7e25e32 | 901 | /* The normal LEN field for this command is zero. */ |
5f71d32f HR |
902 | memset(outbuf, 0, 8); |
903 | bdrv_get_geometry(s->bs, &nb_sectors); | |
e7e25e32 GH |
904 | if (!nb_sectors) |
905 | goto not_ready; | |
906 | nb_sectors /= s->cluster_size; | |
907 | /* Returned value is the address of the last sector. */ | |
908 | nb_sectors--; | |
909 | /* Remember the new size for read/write sanity checking. */ | |
910 | s->max_lba = nb_sectors; | |
911 | /* Clip to 2TB, instead of returning capacity modulo 2TB. */ | |
912 | if (nb_sectors > UINT32_MAX) | |
913 | nb_sectors = UINT32_MAX; | |
914 | outbuf[0] = (nb_sectors >> 24) & 0xff; | |
915 | outbuf[1] = (nb_sectors >> 16) & 0xff; | |
916 | outbuf[2] = (nb_sectors >> 8) & 0xff; | |
917 | outbuf[3] = nb_sectors & 0xff; | |
918 | outbuf[4] = 0; | |
919 | outbuf[5] = 0; | |
920 | outbuf[6] = s->cluster_size * 2; | |
921 | outbuf[7] = 0; | |
922 | buflen = 8; | |
5f71d32f | 923 | break; |
38215553 GH |
924 | case GET_CONFIGURATION: |
925 | memset(outbuf, 0, 8); | |
926 | /* ??? This should probably return much more information. For now | |
927 | just return the basic header indicating the CD-ROM profile. */ | |
928 | outbuf[7] = 8; // CD-ROM | |
929 | buflen = 8; | |
930 | break; | |
f6515262 | 931 | case SERVICE_ACTION_IN_16: |
5dd90e2a | 932 | /* Service Action In subcommands. */ |
f6515262 | 933 | if ((req->cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) { |
5dd90e2a GH |
934 | DPRINTF("SAI READ CAPACITY(16)\n"); |
935 | memset(outbuf, 0, req->cmd.xfer); | |
428c149b | 936 | bdrv_get_geometry(s->bs, &nb_sectors); |
5dd90e2a GH |
937 | if (!nb_sectors) |
938 | goto not_ready; | |
939 | nb_sectors /= s->cluster_size; | |
940 | /* Returned value is the address of the last sector. */ | |
941 | nb_sectors--; | |
942 | /* Remember the new size for read/write sanity checking. */ | |
943 | s->max_lba = nb_sectors; | |
944 | outbuf[0] = (nb_sectors >> 56) & 0xff; | |
945 | outbuf[1] = (nb_sectors >> 48) & 0xff; | |
946 | outbuf[2] = (nb_sectors >> 40) & 0xff; | |
947 | outbuf[3] = (nb_sectors >> 32) & 0xff; | |
948 | outbuf[4] = (nb_sectors >> 24) & 0xff; | |
949 | outbuf[5] = (nb_sectors >> 16) & 0xff; | |
950 | outbuf[6] = (nb_sectors >> 8) & 0xff; | |
951 | outbuf[7] = nb_sectors & 0xff; | |
952 | outbuf[8] = 0; | |
953 | outbuf[9] = 0; | |
954 | outbuf[10] = s->cluster_size * 2; | |
955 | outbuf[11] = 0; | |
ee3659e3 CH |
956 | outbuf[12] = 0; |
957 | outbuf[13] = get_physical_block_exp(&s->qdev.conf); | |
ea3bd56f CH |
958 | |
959 | /* set TPE bit if the format supports discard */ | |
960 | if (s->qdev.conf.discard_granularity) { | |
961 | outbuf[14] = 0x80; | |
962 | } | |
963 | ||
5dd90e2a GH |
964 | /* Protection, exponent and lowest lba field left blank. */ |
965 | buflen = req->cmd.xfer; | |
966 | break; | |
967 | } | |
968 | DPRINTF("Unsupported Service Action In\n"); | |
969 | goto illegal_request; | |
5e30a07d | 970 | case VERIFY_10: |
88f8a5ed | 971 | break; |
aa5dbdc1 | 972 | default: |
b45ef674 | 973 | scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE)); |
a1f0cce2 | 974 | return -1; |
aa5dbdc1 | 975 | } |
aa5dbdc1 GH |
976 | return buflen; |
977 | ||
978 | not_ready: | |
a1aff5bf | 979 | if (s->tray_open || !bdrv_is_inserted(s->bs)) { |
b45ef674 | 980 | scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); |
a1f0cce2 | 981 | } else { |
b45ef674 | 982 | scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY)); |
a1f0cce2 | 983 | } |
8af7a3ab | 984 | return -1; |
aa5dbdc1 GH |
985 | |
986 | illegal_request: | |
cfc606da PB |
987 | if (r->req.status == -1) { |
988 | scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); | |
989 | } | |
8af7a3ab | 990 | return -1; |
aa5dbdc1 GH |
991 | } |
992 | ||
2e5d83bb PB |
993 | /* Execute a scsi command. Returns the length of the data expected by the |
994 | command. This will be Positive for data transfers from the device | |
995 | (eg. disk reads), negative for transfers to the device (eg. disk writes), | |
996 | and zero if the command does not transfer any data. */ | |
997 | ||
5c6c0e51 | 998 | static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf) |
2e5d83bb | 999 | { |
5c6c0e51 HR |
1000 | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
1001 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); | |
ad2d30f7 | 1002 | int32_t len; |
a917d384 PB |
1003 | uint8_t command; |
1004 | uint8_t *outbuf; | |
aa5dbdc1 | 1005 | int rc; |
a917d384 PB |
1006 | |
1007 | command = buf[0]; | |
3f4cb3d3 | 1008 | outbuf = (uint8_t *)r->iov.iov_base; |
653c1c3f | 1009 | DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", req->lun, req->tag, buf[0]); |
2dd791b6 | 1010 | |
2e5d83bb PB |
1011 | #ifdef DEBUG_SCSI |
1012 | { | |
1013 | int i; | |
2dd791b6 | 1014 | for (i = 1; i < r->req.cmd.len; i++) { |
2e5d83bb PB |
1015 | printf(" 0x%02x", buf[i]); |
1016 | } | |
1017 | printf("\n"); | |
1018 | } | |
1019 | #endif | |
aa5dbdc1 | 1020 | |
a917d384 | 1021 | switch (command) { |
ebf46023 | 1022 | case TEST_UNIT_READY: |
0b06c059 | 1023 | case INQUIRY: |
ebddfcbe GH |
1024 | case MODE_SENSE: |
1025 | case MODE_SENSE_10: | |
3d53ba18 GH |
1026 | case RESERVE: |
1027 | case RESERVE_10: | |
1028 | case RELEASE: | |
1029 | case RELEASE_10: | |
8d3628ff | 1030 | case START_STOP: |
c68b9f34 | 1031 | case ALLOW_MEDIUM_REMOVAL: |
5e30a07d | 1032 | case READ_CAPACITY_10: |
02880f43 | 1033 | case READ_TOC: |
38215553 | 1034 | case GET_CONFIGURATION: |
f6515262 | 1035 | case SERVICE_ACTION_IN_16: |
5e30a07d | 1036 | case VERIFY_10: |
8af7a3ab KW |
1037 | rc = scsi_disk_emulate_command(r, outbuf); |
1038 | if (rc < 0) { | |
0b06c059 | 1039 | return 0; |
aa5dbdc1 | 1040 | } |
8af7a3ab KW |
1041 | |
1042 | r->iov.iov_len = rc; | |
0b06c059 | 1043 | break; |
0a4ac106 PB |
1044 | case SYNCHRONIZE_CACHE: |
1045 | bdrv_acct_start(s->bs, &r->acct, 0, BDRV_ACCT_FLUSH); | |
1046 | r->req.aiocb = bdrv_aio_flush(s->bs, scsi_flush_complete, r); | |
1047 | if (r->req.aiocb == NULL) { | |
1048 | scsi_flush_complete(r, -EIO); | |
1049 | } | |
1050 | return 0; | |
ebf46023 GH |
1051 | case READ_6: |
1052 | case READ_10: | |
bd536cf3 GH |
1053 | case READ_12: |
1054 | case READ_16: | |
5c6c0e51 | 1055 | len = r->req.cmd.xfer / s->qdev.blocksize; |
2dd791b6 HR |
1056 | DPRINTF("Read (sector %" PRId64 ", count %d)\n", r->req.cmd.lba, len); |
1057 | if (r->req.cmd.lba > s->max_lba) | |
274fb0e1 | 1058 | goto illegal_lba; |
2dd791b6 | 1059 | r->sector = r->req.cmd.lba * s->cluster_size; |
a917d384 | 1060 | r->sector_count = len * s->cluster_size; |
2e5d83bb | 1061 | break; |
ebf46023 GH |
1062 | case WRITE_6: |
1063 | case WRITE_10: | |
bd536cf3 GH |
1064 | case WRITE_12: |
1065 | case WRITE_16: | |
5e30a07d | 1066 | case WRITE_VERIFY_10: |
ebef0bbb BK |
1067 | case WRITE_VERIFY_12: |
1068 | case WRITE_VERIFY_16: | |
5c6c0e51 | 1069 | len = r->req.cmd.xfer / s->qdev.blocksize; |
ebef0bbb | 1070 | DPRINTF("Write %s(sector %" PRId64 ", count %d)\n", |
2dd791b6 HR |
1071 | (command & 0xe) == 0xe ? "And Verify " : "", |
1072 | r->req.cmd.lba, len); | |
1073 | if (r->req.cmd.lba > s->max_lba) | |
274fb0e1 | 1074 | goto illegal_lba; |
2dd791b6 | 1075 | r->sector = r->req.cmd.lba * s->cluster_size; |
a917d384 | 1076 | r->sector_count = len * s->cluster_size; |
2e5d83bb | 1077 | break; |
ebef0bbb | 1078 | case MODE_SELECT: |
2dd791b6 | 1079 | DPRINTF("Mode Select(6) (len %lu)\n", (long)r->req.cmd.xfer); |
ebef0bbb BK |
1080 | /* We don't support mode parameter changes. |
1081 | Allow the mode parameter header + block descriptors only. */ | |
2dd791b6 | 1082 | if (r->req.cmd.xfer > 12) { |
ebef0bbb BK |
1083 | goto fail; |
1084 | } | |
1085 | break; | |
1086 | case MODE_SELECT_10: | |
2dd791b6 | 1087 | DPRINTF("Mode Select(10) (len %lu)\n", (long)r->req.cmd.xfer); |
ebef0bbb BK |
1088 | /* We don't support mode parameter changes. |
1089 | Allow the mode parameter header + block descriptors only. */ | |
2dd791b6 | 1090 | if (r->req.cmd.xfer > 16) { |
ebef0bbb BK |
1091 | goto fail; |
1092 | } | |
1093 | break; | |
1094 | case SEEK_6: | |
1095 | case SEEK_10: | |
2dd791b6 HR |
1096 | DPRINTF("Seek(%d) (sector %" PRId64 ")\n", command == SEEK_6 ? 6 : 10, |
1097 | r->req.cmd.lba); | |
1098 | if (r->req.cmd.lba > s->max_lba) { | |
ebef0bbb BK |
1099 | goto illegal_lba; |
1100 | } | |
ea3bd56f CH |
1101 | break; |
1102 | case WRITE_SAME_16: | |
5c6c0e51 | 1103 | len = r->req.cmd.xfer / s->qdev.blocksize; |
ea3bd56f CH |
1104 | |
1105 | DPRINTF("WRITE SAME(16) (sector %" PRId64 ", count %d)\n", | |
1106 | r->req.cmd.lba, len); | |
1107 | ||
1108 | if (r->req.cmd.lba > s->max_lba) { | |
1109 | goto illegal_lba; | |
1110 | } | |
1111 | ||
1112 | /* | |
1113 | * We only support WRITE SAME with the unmap bit set for now. | |
1114 | */ | |
1115 | if (!(buf[1] & 0x8)) { | |
1116 | goto fail; | |
1117 | } | |
1118 | ||
1119 | rc = bdrv_discard(s->bs, r->req.cmd.lba * s->cluster_size, | |
1120 | len * s->cluster_size); | |
1121 | if (rc < 0) { | |
1122 | /* XXX: better error code ?*/ | |
1123 | goto fail; | |
1124 | } | |
1125 | ||
ebef0bbb | 1126 | break; |
739df215 PB |
1127 | case REQUEST_SENSE: |
1128 | abort(); | |
2e5d83bb | 1129 | default: |
2dd791b6 | 1130 | DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]); |
b45ef674 | 1131 | scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE)); |
a1f0cce2 | 1132 | return 0; |
2e5d83bb | 1133 | fail: |
b45ef674 | 1134 | scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); |
2dd791b6 | 1135 | return 0; |
274fb0e1 | 1136 | illegal_lba: |
b45ef674 | 1137 | scsi_check_condition(r, SENSE_CODE(LBA_OUT_OF_RANGE)); |
274fb0e1 | 1138 | return 0; |
2e5d83bb | 1139 | } |
c87c0672 | 1140 | if (r->sector_count == 0 && r->iov.iov_len == 0) { |
b45ef674 | 1141 | scsi_req_complete(&r->req, GOOD); |
a917d384 | 1142 | } |
c87c0672 | 1143 | len = r->sector_count * 512 + r->iov.iov_len; |
efb9ee02 HR |
1144 | if (r->req.cmd.mode == SCSI_XFER_TO_DEV) { |
1145 | return -len; | |
a917d384 PB |
1146 | } else { |
1147 | if (!r->sector_count) | |
1148 | r->sector_count = -1; | |
efb9ee02 | 1149 | return len; |
2e5d83bb | 1150 | } |
2e5d83bb PB |
1151 | } |
1152 | ||
e9447f35 JK |
1153 | static void scsi_disk_reset(DeviceState *dev) |
1154 | { | |
1155 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev.qdev, dev); | |
1156 | uint64_t nb_sectors; | |
1157 | ||
c7b48872 | 1158 | scsi_device_purge_requests(&s->qdev, SENSE_CODE(RESET)); |
e9447f35 JK |
1159 | |
1160 | bdrv_get_geometry(s->bs, &nb_sectors); | |
1161 | nb_sectors /= s->cluster_size; | |
1162 | if (nb_sectors) { | |
1163 | nb_sectors--; | |
1164 | } | |
1165 | s->max_lba = nb_sectors; | |
1166 | } | |
1167 | ||
1168 | static void scsi_destroy(SCSIDevice *dev) | |
1169 | { | |
1170 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); | |
1171 | ||
c7b48872 | 1172 | scsi_device_purge_requests(&s->qdev, SENSE_CODE(NO_SENSE)); |
f8b6cc00 | 1173 | blockdev_mark_auto_del(s->qdev.conf.bs); |
56a14938 GH |
1174 | } |
1175 | ||
7d4b4ba5 | 1176 | static void scsi_cd_change_media_cb(void *opaque, bool load) |
2c6942fa MA |
1177 | { |
1178 | } | |
1179 | ||
e4def80b MA |
1180 | static bool scsi_cd_is_tray_open(void *opaque) |
1181 | { | |
1182 | return ((SCSIDiskState *)opaque)->tray_open; | |
1183 | } | |
1184 | ||
f107639a MA |
1185 | static bool scsi_cd_is_medium_locked(void *opaque) |
1186 | { | |
1187 | return ((SCSIDiskState *)opaque)->tray_locked; | |
1188 | } | |
1189 | ||
1190 | static const BlockDevOps scsi_cd_block_ops = { | |
2c6942fa | 1191 | .change_media_cb = scsi_cd_change_media_cb, |
e4def80b | 1192 | .is_tray_open = scsi_cd_is_tray_open, |
f107639a MA |
1193 | .is_medium_locked = scsi_cd_is_medium_locked, |
1194 | }; | |
1195 | ||
f37bd73b | 1196 | static int scsi_initfn(SCSIDevice *dev, uint8_t scsi_type) |
2e5d83bb | 1197 | { |
d52affa7 | 1198 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
f8b6cc00 | 1199 | DriveInfo *dinfo; |
2e5d83bb | 1200 | |
f8b6cc00 | 1201 | if (!s->qdev.conf.bs) { |
1ecda02b | 1202 | error_report("scsi-disk: drive property not set"); |
d52affa7 GH |
1203 | return -1; |
1204 | } | |
f8b6cc00 | 1205 | s->bs = s->qdev.conf.bs; |
d52affa7 | 1206 | |
f37bd73b | 1207 | if (scsi_type == TYPE_DISK && !bdrv_is_inserted(s->bs)) { |
98f28ad7 MA |
1208 | error_report("Device needs media, but drive is empty"); |
1209 | return -1; | |
1210 | } | |
1211 | ||
a0fef654 | 1212 | if (!s->serial) { |
f8b6cc00 MA |
1213 | /* try to fall back to value set with legacy -drive serial=... */ |
1214 | dinfo = drive_get_by_blockdev(s->bs); | |
3e1c0c9a | 1215 | if (*dinfo->serial) { |
7267c094 | 1216 | s->serial = g_strdup(dinfo->serial); |
3e1c0c9a | 1217 | } |
a0fef654 MA |
1218 | } |
1219 | ||
552fee93 | 1220 | if (!s->version) { |
7267c094 | 1221 | s->version = g_strdup(QEMU_VERSION); |
552fee93 MA |
1222 | } |
1223 | ||
32bb404a | 1224 | if (bdrv_is_sg(s->bs)) { |
1ecda02b | 1225 | error_report("scsi-disk: unwanted /dev/sg*"); |
32bb404a MA |
1226 | return -1; |
1227 | } | |
1228 | ||
f37bd73b | 1229 | if (scsi_type == TYPE_ROM) { |
f107639a | 1230 | bdrv_set_dev_ops(s->bs, &scsi_cd_block_ops, s); |
8cfacf07 | 1231 | s->qdev.blocksize = 2048; |
f37bd73b | 1232 | } else if (scsi_type == TYPE_DISK) { |
8cfacf07 | 1233 | s->qdev.blocksize = s->qdev.conf.logical_block_size; |
f37bd73b HR |
1234 | } else { |
1235 | error_report("scsi-disk: Unhandled SCSI type %02x", scsi_type); | |
1236 | return -1; | |
2e5d83bb | 1237 | } |
8cfacf07 | 1238 | s->cluster_size = s->qdev.blocksize / 512; |
7b6f9300 | 1239 | bdrv_set_buffer_alignment(s->bs, s->qdev.blocksize); |
8cfacf07 | 1240 | |
f37bd73b | 1241 | s->qdev.type = scsi_type; |
ea8a5d7f | 1242 | qemu_add_vm_change_state_handler(scsi_dma_restart_cb, s); |
1ca4d09a | 1243 | add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, ",0"); |
d52affa7 GH |
1244 | return 0; |
1245 | } | |
1246 | ||
b443ae67 MA |
1247 | static int scsi_hd_initfn(SCSIDevice *dev) |
1248 | { | |
f37bd73b | 1249 | return scsi_initfn(dev, TYPE_DISK); |
b443ae67 MA |
1250 | } |
1251 | ||
1252 | static int scsi_cd_initfn(SCSIDevice *dev) | |
1253 | { | |
f37bd73b | 1254 | return scsi_initfn(dev, TYPE_ROM); |
b443ae67 MA |
1255 | } |
1256 | ||
1257 | static int scsi_disk_initfn(SCSIDevice *dev) | |
1258 | { | |
95b5edcd | 1259 | DriveInfo *dinfo; |
f37bd73b | 1260 | uint8_t scsi_type; |
b443ae67 MA |
1261 | |
1262 | if (!dev->conf.bs) { | |
f37bd73b | 1263 | scsi_type = TYPE_DISK; /* will die in scsi_initfn() */ |
b443ae67 | 1264 | } else { |
95b5edcd | 1265 | dinfo = drive_get_by_blockdev(dev->conf.bs); |
f37bd73b | 1266 | scsi_type = dinfo->media_cd ? TYPE_ROM : TYPE_DISK; |
b443ae67 MA |
1267 | } |
1268 | ||
f37bd73b | 1269 | return scsi_initfn(dev, scsi_type); |
b443ae67 MA |
1270 | } |
1271 | ||
8dbd4574 PB |
1272 | static SCSIReqOps scsi_disk_reqops = { |
1273 | .size = sizeof(SCSIDiskReq), | |
12010e7b PB |
1274 | .free_req = scsi_free_request, |
1275 | .send_command = scsi_send_command, | |
1276 | .read_data = scsi_read_data, | |
1277 | .write_data = scsi_write_data, | |
1278 | .cancel_io = scsi_cancel_io, | |
1279 | .get_buf = scsi_get_buf, | |
8dbd4574 PB |
1280 | }; |
1281 | ||
1282 | static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, | |
1283 | uint32_t lun, void *hba_private) | |
1284 | { | |
1285 | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d); | |
1286 | SCSIRequest *req; | |
1287 | SCSIDiskReq *r; | |
1288 | ||
1289 | req = scsi_req_alloc(&scsi_disk_reqops, &s->qdev, tag, lun, hba_private); | |
1290 | r = DO_UPCAST(SCSIDiskReq, req, req); | |
1291 | r->iov.iov_base = qemu_blockalign(s->bs, SCSI_DMA_BUF_SIZE); | |
1292 | return req; | |
1293 | } | |
1294 | ||
b443ae67 MA |
1295 | #define DEFINE_SCSI_DISK_PROPERTIES() \ |
1296 | DEFINE_BLOCK_PROPERTIES(SCSIDiskState, qdev.conf), \ | |
1297 | DEFINE_PROP_STRING("ver", SCSIDiskState, version), \ | |
1298 | DEFINE_PROP_STRING("serial", SCSIDiskState, serial) | |
1299 | ||
1300 | static SCSIDeviceInfo scsi_disk_info[] = { | |
1301 | { | |
1302 | .qdev.name = "scsi-hd", | |
1303 | .qdev.fw_name = "disk", | |
1304 | .qdev.desc = "virtual SCSI disk", | |
1305 | .qdev.size = sizeof(SCSIDiskState), | |
1306 | .qdev.reset = scsi_disk_reset, | |
1307 | .init = scsi_hd_initfn, | |
1308 | .destroy = scsi_destroy, | |
5c6c0e51 | 1309 | .alloc_req = scsi_new_request, |
b443ae67 MA |
1310 | .qdev.props = (Property[]) { |
1311 | DEFINE_SCSI_DISK_PROPERTIES(), | |
1312 | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), | |
1313 | DEFINE_PROP_END_OF_LIST(), | |
1314 | } | |
1315 | },{ | |
1316 | .qdev.name = "scsi-cd", | |
1317 | .qdev.fw_name = "disk", | |
1318 | .qdev.desc = "virtual SCSI CD-ROM", | |
1319 | .qdev.size = sizeof(SCSIDiskState), | |
1320 | .qdev.reset = scsi_disk_reset, | |
1321 | .init = scsi_cd_initfn, | |
1322 | .destroy = scsi_destroy, | |
5c6c0e51 | 1323 | .alloc_req = scsi_new_request, |
b443ae67 MA |
1324 | .qdev.props = (Property[]) { |
1325 | DEFINE_SCSI_DISK_PROPERTIES(), | |
1326 | DEFINE_PROP_END_OF_LIST(), | |
1327 | }, | |
1328 | },{ | |
1329 | .qdev.name = "scsi-disk", /* legacy -device scsi-disk */ | |
1330 | .qdev.fw_name = "disk", | |
1331 | .qdev.desc = "virtual SCSI disk or CD-ROM (legacy)", | |
1332 | .qdev.size = sizeof(SCSIDiskState), | |
1333 | .qdev.reset = scsi_disk_reset, | |
1334 | .init = scsi_disk_initfn, | |
1335 | .destroy = scsi_destroy, | |
5c6c0e51 | 1336 | .alloc_req = scsi_new_request, |
b443ae67 MA |
1337 | .qdev.props = (Property[]) { |
1338 | DEFINE_SCSI_DISK_PROPERTIES(), | |
1339 | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), | |
1340 | DEFINE_PROP_END_OF_LIST(), | |
1341 | } | |
1342 | } | |
d52affa7 GH |
1343 | }; |
1344 | ||
1345 | static void scsi_disk_register_devices(void) | |
1346 | { | |
b443ae67 MA |
1347 | int i; |
1348 | ||
1349 | for (i = 0; i < ARRAY_SIZE(scsi_disk_info); i++) { | |
1350 | scsi_qdev_register(&scsi_disk_info[i]); | |
1351 | } | |
8ccc2ace | 1352 | } |
d52affa7 | 1353 | device_init(scsi_disk_register_devices) |