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Commit | Line | Data |
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d52affa7 | 1 | #include "hw.h" |
2f792016 | 2 | #include "qemu-error.h" |
43b443b6 | 3 | #include "scsi.h" |
2ec749cb | 4 | #include "scsi-defs.h" |
d52affa7 | 5 | #include "qdev.h" |
2446333c | 6 | #include "blockdev.h" |
5138efec | 7 | #include "trace.h" |
d52affa7 | 8 | |
db07c0f8 | 9 | static char *scsibus_get_fw_dev_path(DeviceState *dev); |
afa46c46 | 10 | static int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf); |
71544d30 | 11 | static void scsi_req_dequeue(SCSIRequest *req); |
db07c0f8 | 12 | |
d52affa7 GH |
13 | static struct BusInfo scsi_bus_info = { |
14 | .name = "SCSI", | |
15 | .size = sizeof(SCSIBus), | |
db07c0f8 | 16 | .get_fw_dev_path = scsibus_get_fw_dev_path, |
d52affa7 | 17 | .props = (Property[]) { |
0d3545e7 | 18 | DEFINE_PROP_UINT32("channel", SCSIDevice, channel, 0), |
d52affa7 | 19 | DEFINE_PROP_UINT32("scsi-id", SCSIDevice, id, -1), |
7e0380b9 | 20 | DEFINE_PROP_UINT32("lun", SCSIDevice, lun, -1), |
d52affa7 GH |
21 | DEFINE_PROP_END_OF_LIST(), |
22 | }, | |
23 | }; | |
24 | static int next_scsi_bus; | |
25 | ||
b9eea3e6 AL |
26 | static int scsi_device_init(SCSIDevice *s) |
27 | { | |
28 | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); | |
29 | if (sc->init) { | |
30 | return sc->init(s); | |
31 | } | |
32 | return 0; | |
33 | } | |
34 | ||
35 | static void scsi_device_destroy(SCSIDevice *s) | |
36 | { | |
37 | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); | |
38 | if (sc->destroy) { | |
39 | sc->destroy(s); | |
40 | } | |
41 | } | |
42 | ||
43 | static SCSIRequest *scsi_device_alloc_req(SCSIDevice *s, uint32_t tag, uint32_t lun, | |
44 | uint8_t *buf, void *hba_private) | |
45 | { | |
46 | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); | |
47 | if (sc->alloc_req) { | |
48 | return sc->alloc_req(s, tag, lun, buf, hba_private); | |
49 | } | |
50 | ||
51 | return NULL; | |
52 | } | |
53 | ||
54 | static void scsi_device_unit_attention_reported(SCSIDevice *s) | |
55 | { | |
56 | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); | |
57 | if (sc->unit_attention_reported) { | |
58 | sc->unit_attention_reported(s); | |
59 | } | |
60 | } | |
61 | ||
d52affa7 | 62 | /* Create a scsi bus, and attach devices to it. */ |
afd4030c | 63 | void scsi_bus_new(SCSIBus *bus, DeviceState *host, const SCSIBusInfo *info) |
d52affa7 | 64 | { |
ca9c39fa | 65 | qbus_create_inplace(&bus->qbus, &scsi_bus_info, host, NULL); |
d52affa7 | 66 | bus->busnr = next_scsi_bus++; |
afd4030c | 67 | bus->info = info; |
cb23117b | 68 | bus->qbus.allow_hotplug = 1; |
d52affa7 GH |
69 | } |
70 | ||
71544d30 PB |
71 | static void scsi_dma_restart_bh(void *opaque) |
72 | { | |
73 | SCSIDevice *s = opaque; | |
74 | SCSIRequest *req, *next; | |
75 | ||
76 | qemu_bh_delete(s->bh); | |
77 | s->bh = NULL; | |
78 | ||
79 | QTAILQ_FOREACH_SAFE(req, &s->requests, next, next) { | |
80 | scsi_req_ref(req); | |
81 | if (req->retry) { | |
82 | req->retry = false; | |
83 | switch (req->cmd.mode) { | |
84 | case SCSI_XFER_FROM_DEV: | |
85 | case SCSI_XFER_TO_DEV: | |
86 | scsi_req_continue(req); | |
87 | break; | |
88 | case SCSI_XFER_NONE: | |
89 | scsi_req_dequeue(req); | |
90 | scsi_req_enqueue(req); | |
91 | break; | |
92 | } | |
93 | } | |
94 | scsi_req_unref(req); | |
95 | } | |
96 | } | |
97 | ||
98 | void scsi_req_retry(SCSIRequest *req) | |
99 | { | |
100 | /* No need to save a reference, because scsi_dma_restart_bh just | |
101 | * looks at the request list. */ | |
102 | req->retry = true; | |
103 | } | |
104 | ||
105 | static void scsi_dma_restart_cb(void *opaque, int running, RunState state) | |
106 | { | |
107 | SCSIDevice *s = opaque; | |
108 | ||
109 | if (!running) { | |
110 | return; | |
111 | } | |
112 | if (!s->bh) { | |
113 | s->bh = qemu_bh_new(scsi_dma_restart_bh, s); | |
114 | qemu_bh_schedule(s->bh); | |
115 | } | |
116 | } | |
117 | ||
d307af79 | 118 | static int scsi_qdev_init(DeviceState *qdev) |
d52affa7 | 119 | { |
b9eea3e6 | 120 | SCSIDevice *dev = SCSI_DEVICE(qdev); |
d52affa7 | 121 | SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus); |
7e0380b9 | 122 | SCSIDevice *d; |
01985dcf | 123 | int rc = -1; |
d52affa7 | 124 | |
0d3545e7 PB |
125 | if (dev->channel > bus->info->max_channel) { |
126 | error_report("bad scsi channel id: %d", dev->channel); | |
127 | goto err; | |
128 | } | |
7e0380b9 | 129 | if (dev->id != -1 && dev->id > bus->info->max_target) { |
1ecda02b | 130 | error_report("bad scsi device id: %d", dev->id); |
d52affa7 GH |
131 | goto err; |
132 | } | |
133 | ||
7e0380b9 PB |
134 | if (dev->id == -1) { |
135 | int id = -1; | |
136 | if (dev->lun == -1) { | |
137 | dev->lun = 0; | |
138 | } | |
139 | do { | |
0d3545e7 | 140 | d = scsi_device_find(bus, dev->channel, ++id, dev->lun); |
7e0380b9 PB |
141 | } while (d && d->lun == dev->lun && id <= bus->info->max_target); |
142 | if (id > bus->info->max_target) { | |
143 | error_report("no free target"); | |
144 | goto err; | |
145 | } | |
146 | dev->id = id; | |
147 | } else if (dev->lun == -1) { | |
148 | int lun = -1; | |
149 | do { | |
0d3545e7 | 150 | d = scsi_device_find(bus, dev->channel, dev->id, ++lun); |
7e0380b9 PB |
151 | } while (d && d->lun == lun && lun < bus->info->max_lun); |
152 | if (lun > bus->info->max_lun) { | |
153 | error_report("no free lun"); | |
154 | goto err; | |
155 | } | |
156 | dev->lun = lun; | |
157 | } else { | |
0d3545e7 | 158 | d = scsi_device_find(bus, dev->channel, dev->id, dev->lun); |
7e0380b9 PB |
159 | if (dev->lun == d->lun && dev != d) { |
160 | qdev_free(&d->qdev); | |
161 | } | |
d52affa7 | 162 | } |
d52affa7 | 163 | |
9af99d98 | 164 | QTAILQ_INIT(&dev->requests); |
b9eea3e6 | 165 | rc = scsi_device_init(dev); |
71544d30 PB |
166 | if (rc == 0) { |
167 | dev->vmsentry = qemu_add_vm_change_state_handler(scsi_dma_restart_cb, | |
168 | dev); | |
169 | } | |
d52affa7 GH |
170 | |
171 | err: | |
01985dcf GH |
172 | return rc; |
173 | } | |
174 | ||
175 | static int scsi_qdev_exit(DeviceState *qdev) | |
176 | { | |
b9eea3e6 | 177 | SCSIDevice *dev = SCSI_DEVICE(qdev); |
01985dcf | 178 | |
71544d30 PB |
179 | if (dev->vmsentry) { |
180 | qemu_del_vm_change_state_handler(dev->vmsentry); | |
181 | } | |
b9eea3e6 | 182 | scsi_device_destroy(dev); |
01985dcf | 183 | return 0; |
d52affa7 GH |
184 | } |
185 | ||
d52affa7 | 186 | /* handle legacy '-drive if=scsi,...' cmd line args */ |
2d1fd261 | 187 | SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, |
ce4e7e46 | 188 | int unit, bool removable, int bootindex) |
d52affa7 GH |
189 | { |
190 | const char *driver; | |
191 | DeviceState *dev; | |
192 | ||
f8b6cc00 | 193 | driver = bdrv_is_sg(bdrv) ? "scsi-generic" : "scsi-disk"; |
d52affa7 GH |
194 | dev = qdev_create(&bus->qbus, driver); |
195 | qdev_prop_set_uint32(dev, "scsi-id", unit); | |
ce4e7e46 PB |
196 | if (bootindex >= 0) { |
197 | qdev_prop_set_int32(dev, "bootindex", bootindex); | |
198 | } | |
2d1fd261 SH |
199 | if (qdev_prop_exists(dev, "removable")) { |
200 | qdev_prop_set_bit(dev, "removable", removable); | |
201 | } | |
18846dee MA |
202 | if (qdev_prop_set_drive(dev, "drive", bdrv) < 0) { |
203 | qdev_free(dev); | |
204 | return NULL; | |
205 | } | |
33e66b86 MA |
206 | if (qdev_init(dev) < 0) |
207 | return NULL; | |
b9eea3e6 | 208 | return SCSI_DEVICE(dev); |
d52affa7 GH |
209 | } |
210 | ||
fa66b909 | 211 | int scsi_bus_legacy_handle_cmdline(SCSIBus *bus) |
d52affa7 | 212 | { |
42e766a2 | 213 | Location loc; |
d52affa7 | 214 | DriveInfo *dinfo; |
fa66b909 | 215 | int res = 0, unit; |
d52affa7 | 216 | |
42e766a2 | 217 | loc_push_none(&loc); |
7e0380b9 | 218 | for (unit = 0; unit < bus->info->max_target; unit++) { |
d52affa7 GH |
219 | dinfo = drive_get(IF_SCSI, bus->busnr, unit); |
220 | if (dinfo == NULL) { | |
221 | continue; | |
222 | } | |
42e766a2 | 223 | qemu_opts_loc_restore(dinfo->opts); |
ce4e7e46 | 224 | if (!scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit, false, -1)) { |
fa66b909 MA |
225 | res = -1; |
226 | break; | |
227 | } | |
d52affa7 | 228 | } |
42e766a2 | 229 | loc_pop(&loc); |
fa66b909 | 230 | return res; |
d52affa7 | 231 | } |
89b08ae1 | 232 | |
afa46c46 PB |
233 | /* SCSIReqOps implementation for invalid commands. */ |
234 | ||
235 | static int32_t scsi_invalid_command(SCSIRequest *req, uint8_t *buf) | |
236 | { | |
237 | scsi_req_build_sense(req, SENSE_CODE(INVALID_OPCODE)); | |
238 | scsi_req_complete(req, CHECK_CONDITION); | |
239 | return 0; | |
240 | } | |
241 | ||
adcf2754 | 242 | static const struct SCSIReqOps reqops_invalid_opcode = { |
afa46c46 PB |
243 | .size = sizeof(SCSIRequest), |
244 | .send_command = scsi_invalid_command | |
245 | }; | |
246 | ||
6dc06f08 PB |
247 | /* SCSIReqOps implementation for unit attention conditions. */ |
248 | ||
249 | static int32_t scsi_unit_attention(SCSIRequest *req, uint8_t *buf) | |
250 | { | |
251 | if (req->dev && req->dev->unit_attention.key == UNIT_ATTENTION) { | |
252 | scsi_req_build_sense(req, req->dev->unit_attention); | |
253 | } else if (req->bus->unit_attention.key == UNIT_ATTENTION) { | |
254 | scsi_req_build_sense(req, req->bus->unit_attention); | |
255 | } | |
256 | scsi_req_complete(req, CHECK_CONDITION); | |
257 | return 0; | |
258 | } | |
259 | ||
adcf2754 | 260 | static const struct SCSIReqOps reqops_unit_attention = { |
6dc06f08 PB |
261 | .size = sizeof(SCSIRequest), |
262 | .send_command = scsi_unit_attention | |
263 | }; | |
264 | ||
fdaef069 PB |
265 | /* SCSIReqOps implementation for REPORT LUNS and for commands sent to |
266 | an invalid LUN. */ | |
267 | ||
268 | typedef struct SCSITargetReq SCSITargetReq; | |
269 | ||
270 | struct SCSITargetReq { | |
271 | SCSIRequest req; | |
272 | int len; | |
ba74307c | 273 | uint8_t buf[2056]; |
fdaef069 PB |
274 | }; |
275 | ||
276 | static void store_lun(uint8_t *outbuf, int lun) | |
277 | { | |
278 | if (lun < 256) { | |
279 | outbuf[1] = lun; | |
280 | return; | |
281 | } | |
282 | outbuf[1] = (lun & 255); | |
283 | outbuf[0] = (lun >> 8) | 0x40; | |
284 | } | |
285 | ||
286 | static bool scsi_target_emulate_report_luns(SCSITargetReq *r) | |
287 | { | |
ba74307c PB |
288 | DeviceState *qdev; |
289 | int i, len, n; | |
0d3545e7 | 290 | int channel, id; |
ba74307c PB |
291 | bool found_lun0; |
292 | ||
fdaef069 PB |
293 | if (r->req.cmd.xfer < 16) { |
294 | return false; | |
295 | } | |
296 | if (r->req.cmd.buf[2] > 2) { | |
297 | return false; | |
298 | } | |
0d3545e7 | 299 | channel = r->req.dev->channel; |
ba74307c PB |
300 | id = r->req.dev->id; |
301 | found_lun0 = false; | |
302 | n = 0; | |
303 | QTAILQ_FOREACH(qdev, &r->req.bus->qbus.children, sibling) { | |
b9eea3e6 | 304 | SCSIDevice *dev = SCSI_DEVICE(qdev); |
ba74307c | 305 | |
0d3545e7 | 306 | if (dev->channel == channel && dev->id == id) { |
ba74307c PB |
307 | if (dev->lun == 0) { |
308 | found_lun0 = true; | |
309 | } | |
310 | n += 8; | |
311 | } | |
312 | } | |
313 | if (!found_lun0) { | |
314 | n += 8; | |
315 | } | |
316 | len = MIN(n + 8, r->req.cmd.xfer & ~7); | |
317 | if (len > sizeof(r->buf)) { | |
318 | /* TODO: > 256 LUNs? */ | |
319 | return false; | |
320 | } | |
321 | ||
fdaef069 | 322 | memset(r->buf, 0, len); |
ba74307c PB |
323 | stl_be_p(&r->buf, n); |
324 | i = found_lun0 ? 8 : 16; | |
325 | QTAILQ_FOREACH(qdev, &r->req.bus->qbus.children, sibling) { | |
b9eea3e6 | 326 | SCSIDevice *dev = SCSI_DEVICE(qdev); |
ba74307c | 327 | |
0d3545e7 | 328 | if (dev->channel == channel && dev->id == id) { |
ba74307c PB |
329 | store_lun(&r->buf[i], dev->lun); |
330 | i += 8; | |
331 | } | |
fdaef069 | 332 | } |
ba74307c PB |
333 | assert(i == n + 8); |
334 | r->len = len; | |
fdaef069 PB |
335 | return true; |
336 | } | |
337 | ||
338 | static bool scsi_target_emulate_inquiry(SCSITargetReq *r) | |
339 | { | |
340 | assert(r->req.dev->lun != r->req.lun); | |
341 | if (r->req.cmd.buf[1] & 0x2) { | |
342 | /* Command support data - optional, not implemented */ | |
343 | return false; | |
344 | } | |
345 | ||
346 | if (r->req.cmd.buf[1] & 0x1) { | |
347 | /* Vital product data */ | |
348 | uint8_t page_code = r->req.cmd.buf[2]; | |
349 | if (r->req.cmd.xfer < 4) { | |
350 | return false; | |
351 | } | |
352 | ||
353 | r->buf[r->len++] = page_code ; /* this page */ | |
354 | r->buf[r->len++] = 0x00; | |
355 | ||
356 | switch (page_code) { | |
357 | case 0x00: /* Supported page codes, mandatory */ | |
358 | { | |
359 | int pages; | |
360 | pages = r->len++; | |
361 | r->buf[r->len++] = 0x00; /* list of supported pages (this page) */ | |
362 | r->buf[pages] = r->len - pages - 1; /* number of pages */ | |
363 | break; | |
364 | } | |
365 | default: | |
366 | return false; | |
367 | } | |
368 | /* done with EVPD */ | |
369 | assert(r->len < sizeof(r->buf)); | |
370 | r->len = MIN(r->req.cmd.xfer, r->len); | |
371 | return true; | |
372 | } | |
373 | ||
374 | /* Standard INQUIRY data */ | |
375 | if (r->req.cmd.buf[2] != 0) { | |
376 | return false; | |
377 | } | |
378 | ||
379 | /* PAGE CODE == 0 */ | |
380 | if (r->req.cmd.xfer < 5) { | |
381 | return -1; | |
382 | } | |
383 | ||
384 | r->len = MIN(r->req.cmd.xfer, 36); | |
385 | memset(r->buf, 0, r->len); | |
386 | if (r->req.lun != 0) { | |
387 | r->buf[0] = TYPE_NO_LUN; | |
388 | } else { | |
389 | r->buf[0] = TYPE_NOT_PRESENT | TYPE_INACTIVE; | |
390 | r->buf[2] = 5; /* Version */ | |
391 | r->buf[3] = 2 | 0x10; /* HiSup, response data format */ | |
392 | r->buf[4] = r->len - 5; /* Additional Length = (Len - 1) - 4 */ | |
afd4030c | 393 | r->buf[7] = 0x10 | (r->req.bus->info->tcq ? 0x02 : 0); /* Sync, TCQ. */ |
fdaef069 PB |
394 | memcpy(&r->buf[8], "QEMU ", 8); |
395 | memcpy(&r->buf[16], "QEMU TARGET ", 16); | |
396 | strncpy((char *) &r->buf[32], QEMU_VERSION, 4); | |
397 | } | |
398 | return true; | |
399 | } | |
400 | ||
401 | static int32_t scsi_target_send_command(SCSIRequest *req, uint8_t *buf) | |
402 | { | |
403 | SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); | |
404 | ||
405 | switch (buf[0]) { | |
406 | case REPORT_LUNS: | |
407 | if (!scsi_target_emulate_report_luns(r)) { | |
408 | goto illegal_request; | |
409 | } | |
410 | break; | |
411 | case INQUIRY: | |
412 | if (!scsi_target_emulate_inquiry(r)) { | |
413 | goto illegal_request; | |
414 | } | |
415 | break; | |
739df215 PB |
416 | case REQUEST_SENSE: |
417 | if (req->cmd.xfer < 4) { | |
418 | goto illegal_request; | |
419 | } | |
8b2a04ee PB |
420 | r->len = scsi_device_get_sense(r->req.dev, r->buf, |
421 | MIN(req->cmd.xfer, sizeof r->buf), | |
739df215 | 422 | (req->cmd.buf[1] & 1) == 0); |
3653d8c4 | 423 | if (r->req.dev->sense_is_ua) { |
b9eea3e6 | 424 | scsi_device_unit_attention_reported(req->dev); |
3653d8c4 PB |
425 | r->req.dev->sense_len = 0; |
426 | r->req.dev->sense_is_ua = false; | |
427 | } | |
739df215 | 428 | break; |
fdaef069 PB |
429 | default: |
430 | scsi_req_build_sense(req, SENSE_CODE(LUN_NOT_SUPPORTED)); | |
431 | scsi_req_complete(req, CHECK_CONDITION); | |
432 | return 0; | |
433 | illegal_request: | |
434 | scsi_req_build_sense(req, SENSE_CODE(INVALID_FIELD)); | |
435 | scsi_req_complete(req, CHECK_CONDITION); | |
436 | return 0; | |
437 | } | |
438 | ||
439 | if (!r->len) { | |
440 | scsi_req_complete(req, GOOD); | |
441 | } | |
442 | return r->len; | |
443 | } | |
444 | ||
445 | static void scsi_target_read_data(SCSIRequest *req) | |
446 | { | |
447 | SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); | |
448 | uint32_t n; | |
449 | ||
450 | n = r->len; | |
451 | if (n > 0) { | |
452 | r->len = 0; | |
453 | scsi_req_data(&r->req, n); | |
454 | } else { | |
455 | scsi_req_complete(&r->req, GOOD); | |
456 | } | |
457 | } | |
458 | ||
459 | static uint8_t *scsi_target_get_buf(SCSIRequest *req) | |
460 | { | |
461 | SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); | |
462 | ||
463 | return r->buf; | |
464 | } | |
465 | ||
adcf2754 | 466 | static const struct SCSIReqOps reqops_target_command = { |
fdaef069 PB |
467 | .size = sizeof(SCSITargetReq), |
468 | .send_command = scsi_target_send_command, | |
469 | .read_data = scsi_target_read_data, | |
470 | .get_buf = scsi_target_get_buf, | |
471 | }; | |
472 | ||
473 | ||
adcf2754 PB |
474 | SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d, |
475 | uint32_t tag, uint32_t lun, void *hba_private) | |
89b08ae1 GH |
476 | { |
477 | SCSIRequest *req; | |
478 | ||
7267c094 | 479 | req = g_malloc0(reqops->size); |
5c6c0e51 | 480 | req->refcount = 1; |
89b08ae1 GH |
481 | req->bus = scsi_bus_from_device(d); |
482 | req->dev = d; | |
483 | req->tag = tag; | |
484 | req->lun = lun; | |
c5bf71a9 | 485 | req->hba_private = hba_private; |
ed3a34a3 | 486 | req->status = -1; |
b45ef674 | 487 | req->sense_len = 0; |
8dbd4574 | 488 | req->ops = reqops; |
5138efec | 489 | trace_scsi_req_alloc(req->dev->id, req->lun, req->tag); |
89b08ae1 GH |
490 | return req; |
491 | } | |
492 | ||
c5bf71a9 | 493 | SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun, |
c39ce112 | 494 | uint8_t *buf, void *hba_private) |
43a2b339 | 495 | { |
6dc06f08 | 496 | SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus); |
c39ce112 | 497 | SCSIRequest *req; |
afa46c46 PB |
498 | SCSICommand cmd; |
499 | ||
500 | if (scsi_req_parse(&cmd, d, buf) != 0) { | |
501 | trace_scsi_req_parse_bad(d->id, lun, tag, buf[0]); | |
502 | req = scsi_req_alloc(&reqops_invalid_opcode, d, tag, lun, hba_private); | |
503 | } else { | |
504 | trace_scsi_req_parsed(d->id, lun, tag, buf[0], | |
505 | cmd.mode, cmd.xfer); | |
3b6ffe50 | 506 | if (cmd.lba != -1) { |
afa46c46 PB |
507 | trace_scsi_req_parsed_lba(d->id, lun, tag, buf[0], |
508 | cmd.lba); | |
509 | } | |
fdaef069 | 510 | |
6dc06f08 PB |
511 | if ((d->unit_attention.key == UNIT_ATTENTION || |
512 | bus->unit_attention.key == UNIT_ATTENTION) && | |
513 | (buf[0] != INQUIRY && | |
514 | buf[0] != REPORT_LUNS && | |
515 | buf[0] != GET_CONFIGURATION && | |
3653d8c4 PB |
516 | buf[0] != GET_EVENT_STATUS_NOTIFICATION && |
517 | ||
518 | /* | |
519 | * If we already have a pending unit attention condition, | |
520 | * report this one before triggering another one. | |
521 | */ | |
522 | !(buf[0] == REQUEST_SENSE && d->sense_is_ua))) { | |
6dc06f08 PB |
523 | req = scsi_req_alloc(&reqops_unit_attention, d, tag, lun, |
524 | hba_private); | |
525 | } else if (lun != d->lun || | |
739df215 | 526 | buf[0] == REPORT_LUNS || |
f3b338ef | 527 | (buf[0] == REQUEST_SENSE && (d->sense_len || cmd.xfer < 4))) { |
fdaef069 PB |
528 | req = scsi_req_alloc(&reqops_target_command, d, tag, lun, |
529 | hba_private); | |
530 | } else { | |
b9eea3e6 | 531 | req = scsi_device_alloc_req(d, tag, lun, buf, hba_private); |
fdaef069 | 532 | } |
afa46c46 PB |
533 | } |
534 | ||
535 | req->cmd = cmd; | |
01e95455 PB |
536 | req->resid = req->cmd.xfer; |
537 | ||
98254542 PB |
538 | switch (buf[0]) { |
539 | case INQUIRY: | |
540 | trace_scsi_inquiry(d->id, lun, tag, cmd.buf[1], cmd.buf[2]); | |
541 | break; | |
542 | case TEST_UNIT_READY: | |
543 | trace_scsi_test_unit_ready(d->id, lun, tag); | |
544 | break; | |
545 | case REPORT_LUNS: | |
546 | trace_scsi_report_luns(d->id, lun, tag); | |
547 | break; | |
548 | case REQUEST_SENSE: | |
549 | trace_scsi_request_sense(d->id, lun, tag); | |
550 | break; | |
551 | default: | |
552 | break; | |
553 | } | |
554 | ||
c39ce112 | 555 | return req; |
43a2b339 PB |
556 | } |
557 | ||
0c34459b PB |
558 | uint8_t *scsi_req_get_buf(SCSIRequest *req) |
559 | { | |
12010e7b | 560 | return req->ops->get_buf(req); |
0c34459b PB |
561 | } |
562 | ||
6dc06f08 PB |
563 | static void scsi_clear_unit_attention(SCSIRequest *req) |
564 | { | |
565 | SCSISense *ua; | |
566 | if (req->dev->unit_attention.key != UNIT_ATTENTION && | |
567 | req->bus->unit_attention.key != UNIT_ATTENTION) { | |
568 | return; | |
569 | } | |
570 | ||
571 | /* | |
572 | * If an INQUIRY command enters the enabled command state, | |
573 | * the device server shall [not] clear any unit attention condition; | |
574 | * See also MMC-6, paragraphs 6.5 and 6.6.2. | |
575 | */ | |
576 | if (req->cmd.buf[0] == INQUIRY || | |
577 | req->cmd.buf[0] == GET_CONFIGURATION || | |
578 | req->cmd.buf[0] == GET_EVENT_STATUS_NOTIFICATION) { | |
579 | return; | |
580 | } | |
581 | ||
582 | if (req->dev->unit_attention.key == UNIT_ATTENTION) { | |
583 | ua = &req->dev->unit_attention; | |
584 | } else { | |
585 | ua = &req->bus->unit_attention; | |
586 | } | |
587 | ||
588 | /* | |
589 | * If a REPORT LUNS command enters the enabled command state, [...] | |
590 | * the device server shall clear any pending unit attention condition | |
591 | * with an additional sense code of REPORTED LUNS DATA HAS CHANGED. | |
592 | */ | |
593 | if (req->cmd.buf[0] == REPORT_LUNS && | |
594 | !(ua->asc == SENSE_CODE(REPORTED_LUNS_CHANGED).asc && | |
595 | ua->ascq == SENSE_CODE(REPORTED_LUNS_CHANGED).ascq)) { | |
596 | return; | |
597 | } | |
598 | ||
599 | *ua = SENSE_CODE(NO_SENSE); | |
600 | } | |
601 | ||
74382217 HR |
602 | int scsi_req_get_sense(SCSIRequest *req, uint8_t *buf, int len) |
603 | { | |
6dc06f08 PB |
604 | int ret; |
605 | ||
b45ef674 PB |
606 | assert(len >= 14); |
607 | if (!req->sense_len) { | |
74382217 HR |
608 | return 0; |
609 | } | |
6dc06f08 PB |
610 | |
611 | ret = scsi_build_sense(req->sense, req->sense_len, buf, len, true); | |
612 | ||
613 | /* | |
614 | * FIXME: clearing unit attention conditions upon autosense should be done | |
615 | * only if the UA_INTLCK_CTRL field in the Control mode page is set to 00b | |
616 | * (SAM-5, 5.14). | |
617 | * | |
618 | * We assume UA_INTLCK_CTRL to be 00b for HBAs that support autosense, and | |
619 | * 10b for HBAs that do not support it (do not call scsi_req_get_sense). | |
3653d8c4 | 620 | * Here we handle unit attention clearing for UA_INTLCK_CTRL == 00b. |
6dc06f08 | 621 | */ |
3653d8c4 | 622 | if (req->dev->sense_is_ua) { |
b9eea3e6 | 623 | scsi_device_unit_attention_reported(req->dev); |
3653d8c4 PB |
624 | req->dev->sense_len = 0; |
625 | req->dev->sense_is_ua = false; | |
626 | } | |
6dc06f08 | 627 | return ret; |
b45ef674 PB |
628 | } |
629 | ||
630 | int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed) | |
631 | { | |
632 | return scsi_build_sense(dev->sense, dev->sense_len, buf, len, fixed); | |
633 | } | |
634 | ||
635 | void scsi_req_build_sense(SCSIRequest *req, SCSISense sense) | |
636 | { | |
637 | trace_scsi_req_build_sense(req->dev->id, req->lun, req->tag, | |
638 | sense.key, sense.asc, sense.ascq); | |
639 | memset(req->sense, 0, 18); | |
640 | req->sense[0] = 0xf0; | |
641 | req->sense[2] = sense.key; | |
eae31cb9 | 642 | req->sense[7] = 10; |
b45ef674 PB |
643 | req->sense[12] = sense.asc; |
644 | req->sense[13] = sense.ascq; | |
645 | req->sense_len = 18; | |
74382217 HR |
646 | } |
647 | ||
c39ce112 | 648 | int32_t scsi_req_enqueue(SCSIRequest *req) |
89b08ae1 | 649 | { |
fc4f0754 PB |
650 | int32_t rc; |
651 | ||
5c6c0e51 HR |
652 | assert(!req->enqueued); |
653 | scsi_req_ref(req); | |
654 | req->enqueued = true; | |
655 | QTAILQ_INSERT_TAIL(&req->dev->requests, req, next); | |
fc4f0754 PB |
656 | |
657 | scsi_req_ref(req); | |
c39ce112 | 658 | rc = req->ops->send_command(req, req->cmd.buf); |
fc4f0754 PB |
659 | scsi_req_unref(req); |
660 | return rc; | |
89b08ae1 GH |
661 | } |
662 | ||
a1f0cce2 | 663 | static void scsi_req_dequeue(SCSIRequest *req) |
e8637c90 | 664 | { |
5138efec | 665 | trace_scsi_req_dequeue(req->dev->id, req->lun, req->tag); |
71544d30 | 666 | req->retry = false; |
e8637c90 JK |
667 | if (req->enqueued) { |
668 | QTAILQ_REMOVE(&req->dev->requests, req, next); | |
669 | req->enqueued = false; | |
ad2d30f7 | 670 | scsi_req_unref(req); |
e8637c90 JK |
671 | } |
672 | } | |
673 | ||
06b86357 PB |
674 | static int scsi_get_performance_length(int num_desc, int type, int data_type) |
675 | { | |
676 | /* MMC-6, paragraph 6.7. */ | |
677 | switch (type) { | |
678 | case 0: | |
679 | if ((data_type & 3) == 0) { | |
680 | /* Each descriptor is as in Table 295 - Nominal performance. */ | |
681 | return 16 * num_desc + 8; | |
682 | } else { | |
683 | /* Each descriptor is as in Table 296 - Exceptions. */ | |
684 | return 6 * num_desc + 8; | |
685 | } | |
686 | case 1: | |
687 | case 4: | |
688 | case 5: | |
689 | return 8 * num_desc + 8; | |
690 | case 2: | |
691 | return 2048 * num_desc + 8; | |
692 | case 3: | |
693 | return 16 * num_desc + 8; | |
694 | default: | |
695 | return 8; | |
696 | } | |
697 | } | |
698 | ||
2599aece | 699 | static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) |
2ec749cb | 700 | { |
2599aece | 701 | switch (buf[0] >> 5) { |
2ec749cb | 702 | case 0: |
2599aece PB |
703 | cmd->xfer = buf[4]; |
704 | cmd->len = 6; | |
2ec749cb | 705 | /* length 0 means 256 blocks */ |
2599aece PB |
706 | if (cmd->xfer == 0) { |
707 | cmd->xfer = 256; | |
708 | } | |
2ec749cb GH |
709 | break; |
710 | case 1: | |
711 | case 2: | |
bd5da232 | 712 | cmd->xfer = lduw_be_p(&buf[7]); |
2599aece | 713 | cmd->len = 10; |
2ec749cb GH |
714 | break; |
715 | case 4: | |
06b86357 | 716 | cmd->xfer = ldl_be_p(&buf[10]) & 0xffffffffULL; |
2599aece | 717 | cmd->len = 16; |
2ec749cb GH |
718 | break; |
719 | case 5: | |
06b86357 | 720 | cmd->xfer = ldl_be_p(&buf[6]) & 0xffffffffULL; |
2599aece | 721 | cmd->len = 12; |
2ec749cb GH |
722 | break; |
723 | default: | |
724 | return -1; | |
725 | } | |
726 | ||
2599aece | 727 | switch (buf[0]) { |
2ec749cb | 728 | case TEST_UNIT_READY: |
5e30a07d | 729 | case REWIND: |
2ec749cb | 730 | case START_STOP: |
00a01ad4 | 731 | case SET_CAPACITY: |
2ec749cb | 732 | case WRITE_FILEMARKS: |
06b86357 | 733 | case WRITE_FILEMARKS_16: |
2ec749cb | 734 | case SPACE: |
a5e3d9ef BK |
735 | case RESERVE: |
736 | case RELEASE: | |
2ec749cb GH |
737 | case ERASE: |
738 | case ALLOW_MEDIUM_REMOVAL: | |
5e30a07d | 739 | case VERIFY_10: |
2ec749cb GH |
740 | case SEEK_10: |
741 | case SYNCHRONIZE_CACHE: | |
06b86357 PB |
742 | case SYNCHRONIZE_CACHE_16: |
743 | case LOCATE_16: | |
2ec749cb GH |
744 | case LOCK_UNLOCK_CACHE: |
745 | case LOAD_UNLOAD: | |
746 | case SET_CD_SPEED: | |
747 | case SET_LIMITS: | |
5e30a07d | 748 | case WRITE_LONG_10: |
2ec749cb GH |
749 | case MOVE_MEDIUM: |
750 | case UPDATE_BLOCK: | |
06b86357 PB |
751 | case RESERVE_TRACK: |
752 | case SET_READ_AHEAD: | |
753 | case PRE_FETCH: | |
754 | case PRE_FETCH_16: | |
755 | case ALLOW_OVERWRITE: | |
2599aece | 756 | cmd->xfer = 0; |
2ec749cb GH |
757 | break; |
758 | case MODE_SENSE: | |
759 | break; | |
5e30a07d | 760 | case WRITE_SAME_10: |
2599aece | 761 | cmd->xfer = 1; |
2ec749cb | 762 | break; |
5e30a07d | 763 | case READ_CAPACITY_10: |
2599aece | 764 | cmd->xfer = 8; |
2ec749cb GH |
765 | break; |
766 | case READ_BLOCK_LIMITS: | |
2599aece | 767 | cmd->xfer = 6; |
2ec749cb | 768 | break; |
2ec749cb | 769 | case SEND_VOLUME_TAG: |
06b86357 PB |
770 | /* GPCMD_SET_STREAMING from multimedia commands. */ |
771 | if (dev->type == TYPE_ROM) { | |
772 | cmd->xfer = buf[10] | (buf[9] << 8); | |
773 | } else { | |
774 | cmd->xfer = buf[9] | (buf[8] << 8); | |
775 | } | |
2ec749cb GH |
776 | break; |
777 | case WRITE_10: | |
5e30a07d | 778 | case WRITE_VERIFY_10: |
2ec749cb GH |
779 | case WRITE_6: |
780 | case WRITE_12: | |
781 | case WRITE_VERIFY_12: | |
bd536cf3 GH |
782 | case WRITE_16: |
783 | case WRITE_VERIFY_16: | |
2599aece | 784 | cmd->xfer *= dev->blocksize; |
2ec749cb GH |
785 | break; |
786 | case READ_10: | |
787 | case READ_6: | |
788 | case READ_REVERSE: | |
789 | case RECOVER_BUFFERED_DATA: | |
790 | case READ_12: | |
bd536cf3 | 791 | case READ_16: |
2599aece | 792 | cmd->xfer *= dev->blocksize; |
2ec749cb | 793 | break; |
06b86357 PB |
794 | case FORMAT_UNIT: |
795 | /* MMC mandates the parameter list to be 12-bytes long. Parameters | |
796 | * for block devices are restricted to the header right now. */ | |
797 | if (dev->type == TYPE_ROM && (buf[1] & 16)) { | |
798 | cmd->xfer = 12; | |
799 | } else { | |
800 | cmd->xfer = (buf[1] & 16) == 0 ? 0 : (buf[1] & 32 ? 8 : 4); | |
801 | } | |
802 | break; | |
2ec749cb | 803 | case INQUIRY: |
06b86357 PB |
804 | case RECEIVE_DIAGNOSTIC: |
805 | case SEND_DIAGNOSTIC: | |
2599aece | 806 | cmd->xfer = buf[4] | (buf[3] << 8); |
2ec749cb | 807 | break; |
06b86357 PB |
808 | case READ_CD: |
809 | case READ_BUFFER: | |
810 | case WRITE_BUFFER: | |
811 | case SEND_CUE_SHEET: | |
812 | cmd->xfer = buf[8] | (buf[7] << 8) | (buf[6] << 16); | |
813 | break; | |
814 | case PERSISTENT_RESERVE_OUT: | |
815 | cmd->xfer = ldl_be_p(&buf[5]) & 0xffffffffULL; | |
816 | break; | |
817 | case ERASE_12: | |
818 | if (dev->type == TYPE_ROM) { | |
819 | /* MMC command GET PERFORMANCE. */ | |
820 | cmd->xfer = scsi_get_performance_length(buf[9] | (buf[8] << 8), | |
821 | buf[10], buf[1] & 0x1f); | |
822 | } | |
823 | break; | |
824 | case MECHANISM_STATUS: | |
825 | case READ_DVD_STRUCTURE: | |
826 | case SEND_DVD_STRUCTURE: | |
c7126d5b NB |
827 | case MAINTENANCE_OUT: |
828 | case MAINTENANCE_IN: | |
2599aece | 829 | if (dev->type == TYPE_ROM) { |
c7126d5b | 830 | /* GPCMD_REPORT_KEY and GPCMD_SEND_KEY from multi media commands */ |
2599aece | 831 | cmd->xfer = buf[9] | (buf[8] << 8); |
c7126d5b NB |
832 | } |
833 | break; | |
2ec749cb GH |
834 | } |
835 | return 0; | |
836 | } | |
837 | ||
2599aece | 838 | static int scsi_req_stream_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) |
2ec749cb | 839 | { |
2599aece | 840 | switch (buf[0]) { |
2ec749cb | 841 | /* stream commands */ |
06b86357 PB |
842 | case ERASE_12: |
843 | case ERASE_16: | |
844 | cmd->xfer = 0; | |
845 | break; | |
2ec749cb GH |
846 | case READ_6: |
847 | case READ_REVERSE: | |
848 | case RECOVER_BUFFERED_DATA: | |
849 | case WRITE_6: | |
2599aece PB |
850 | cmd->len = 6; |
851 | cmd->xfer = buf[4] | (buf[3] << 8) | (buf[2] << 16); | |
852 | if (buf[1] & 0x01) { /* fixed */ | |
853 | cmd->xfer *= dev->blocksize; | |
854 | } | |
2ec749cb GH |
855 | break; |
856 | case REWIND: | |
857 | case START_STOP: | |
2599aece PB |
858 | cmd->len = 6; |
859 | cmd->xfer = 0; | |
2ec749cb | 860 | break; |
06b86357 PB |
861 | case SPACE_16: |
862 | cmd->xfer = buf[13] | (buf[12] << 8); | |
863 | break; | |
864 | case READ_POSITION: | |
865 | cmd->xfer = buf[8] | (buf[7] << 8); | |
866 | break; | |
867 | case FORMAT_UNIT: | |
868 | cmd->xfer = buf[4] | (buf[3] << 8); | |
869 | break; | |
2ec749cb GH |
870 | /* generic commands */ |
871 | default: | |
2599aece | 872 | return scsi_req_length(cmd, dev, buf); |
2ec749cb GH |
873 | } |
874 | return 0; | |
875 | } | |
876 | ||
2599aece | 877 | static void scsi_cmd_xfer_mode(SCSICommand *cmd) |
97a06435 | 878 | { |
2599aece | 879 | switch (cmd->buf[0]) { |
97a06435 GH |
880 | case WRITE_6: |
881 | case WRITE_10: | |
5e30a07d | 882 | case WRITE_VERIFY_10: |
97a06435 GH |
883 | case WRITE_12: |
884 | case WRITE_VERIFY_12: | |
bd536cf3 GH |
885 | case WRITE_16: |
886 | case WRITE_VERIFY_16: | |
97a06435 GH |
887 | case COPY: |
888 | case COPY_VERIFY: | |
889 | case COMPARE: | |
890 | case CHANGE_DEFINITION: | |
891 | case LOG_SELECT: | |
892 | case MODE_SELECT: | |
893 | case MODE_SELECT_10: | |
894 | case SEND_DIAGNOSTIC: | |
895 | case WRITE_BUFFER: | |
896 | case FORMAT_UNIT: | |
897 | case REASSIGN_BLOCKS: | |
97a06435 GH |
898 | case SEARCH_EQUAL: |
899 | case SEARCH_HIGH: | |
900 | case SEARCH_LOW: | |
901 | case UPDATE_BLOCK: | |
5e30a07d HR |
902 | case WRITE_LONG_10: |
903 | case WRITE_SAME_10: | |
97a06435 GH |
904 | case SEARCH_HIGH_12: |
905 | case SEARCH_EQUAL_12: | |
906 | case SEARCH_LOW_12: | |
97a06435 GH |
907 | case MEDIUM_SCAN: |
908 | case SEND_VOLUME_TAG: | |
06b86357 PB |
909 | case SEND_CUE_SHEET: |
910 | case SEND_DVD_STRUCTURE: | |
01bedeba | 911 | case PERSISTENT_RESERVE_OUT: |
c7126d5b | 912 | case MAINTENANCE_OUT: |
2599aece | 913 | cmd->mode = SCSI_XFER_TO_DEV; |
97a06435 GH |
914 | break; |
915 | default: | |
2599aece PB |
916 | if (cmd->xfer) |
917 | cmd->mode = SCSI_XFER_FROM_DEV; | |
97a06435 | 918 | else { |
2599aece | 919 | cmd->mode = SCSI_XFER_NONE; |
97a06435 GH |
920 | } |
921 | break; | |
922 | } | |
923 | } | |
924 | ||
2599aece | 925 | static uint64_t scsi_cmd_lba(SCSICommand *cmd) |
2ec749cb | 926 | { |
2599aece | 927 | uint8_t *buf = cmd->buf; |
2ec749cb GH |
928 | uint64_t lba; |
929 | ||
930 | switch (buf[0] >> 5) { | |
931 | case 0: | |
bd5da232 | 932 | lba = ldl_be_p(&buf[0]) & 0x1fffff; |
2ec749cb GH |
933 | break; |
934 | case 1: | |
935 | case 2: | |
bd5da232 | 936 | case 5: |
06b86357 | 937 | lba = ldl_be_p(&buf[2]) & 0xffffffffULL; |
2ec749cb GH |
938 | break; |
939 | case 4: | |
bd5da232 | 940 | lba = ldq_be_p(&buf[2]); |
2ec749cb GH |
941 | break; |
942 | default: | |
943 | lba = -1; | |
944 | ||
945 | } | |
946 | return lba; | |
947 | } | |
948 | ||
afa46c46 | 949 | int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) |
2ec749cb GH |
950 | { |
951 | int rc; | |
952 | ||
afa46c46 PB |
953 | if (dev->type == TYPE_TAPE) { |
954 | rc = scsi_req_stream_length(cmd, dev, buf); | |
2ec749cb | 955 | } else { |
afa46c46 | 956 | rc = scsi_req_length(cmd, dev, buf); |
2ec749cb GH |
957 | } |
958 | if (rc != 0) | |
959 | return rc; | |
960 | ||
afa46c46 PB |
961 | memcpy(cmd->buf, buf, cmd->len); |
962 | scsi_cmd_xfer_mode(cmd); | |
963 | cmd->lba = scsi_cmd_lba(cmd); | |
2ec749cb GH |
964 | return 0; |
965 | } | |
ed3a34a3 | 966 | |
a1f0cce2 HR |
967 | /* |
968 | * Predefined sense codes | |
969 | */ | |
970 | ||
971 | /* No sense data available */ | |
972 | const struct SCSISense sense_code_NO_SENSE = { | |
973 | .key = NO_SENSE , .asc = 0x00 , .ascq = 0x00 | |
974 | }; | |
975 | ||
976 | /* LUN not ready, Manual intervention required */ | |
977 | const struct SCSISense sense_code_LUN_NOT_READY = { | |
978 | .key = NOT_READY, .asc = 0x04, .ascq = 0x03 | |
979 | }; | |
980 | ||
981 | /* LUN not ready, Medium not present */ | |
982 | const struct SCSISense sense_code_NO_MEDIUM = { | |
983 | .key = NOT_READY, .asc = 0x3a, .ascq = 0x00 | |
984 | }; | |
985 | ||
68bb01f3 MA |
986 | /* LUN not ready, medium removal prevented */ |
987 | const struct SCSISense sense_code_NOT_READY_REMOVAL_PREVENTED = { | |
988 | .key = NOT_READY, .asc = 0x53, .ascq = 0x00 | |
989 | }; | |
990 | ||
a1f0cce2 HR |
991 | /* Hardware error, internal target failure */ |
992 | const struct SCSISense sense_code_TARGET_FAILURE = { | |
993 | .key = HARDWARE_ERROR, .asc = 0x44, .ascq = 0x00 | |
994 | }; | |
995 | ||
996 | /* Illegal request, invalid command operation code */ | |
997 | const struct SCSISense sense_code_INVALID_OPCODE = { | |
998 | .key = ILLEGAL_REQUEST, .asc = 0x20, .ascq = 0x00 | |
999 | }; | |
1000 | ||
1001 | /* Illegal request, LBA out of range */ | |
1002 | const struct SCSISense sense_code_LBA_OUT_OF_RANGE = { | |
1003 | .key = ILLEGAL_REQUEST, .asc = 0x21, .ascq = 0x00 | |
1004 | }; | |
1005 | ||
1006 | /* Illegal request, Invalid field in CDB */ | |
1007 | const struct SCSISense sense_code_INVALID_FIELD = { | |
1008 | .key = ILLEGAL_REQUEST, .asc = 0x24, .ascq = 0x00 | |
1009 | }; | |
1010 | ||
1011 | /* Illegal request, LUN not supported */ | |
1012 | const struct SCSISense sense_code_LUN_NOT_SUPPORTED = { | |
1013 | .key = ILLEGAL_REQUEST, .asc = 0x25, .ascq = 0x00 | |
1014 | }; | |
1015 | ||
a872a304 PB |
1016 | /* Illegal request, Saving parameters not supported */ |
1017 | const struct SCSISense sense_code_SAVING_PARAMS_NOT_SUPPORTED = { | |
1018 | .key = ILLEGAL_REQUEST, .asc = 0x39, .ascq = 0x00 | |
1019 | }; | |
1020 | ||
1021 | /* Illegal request, Incompatible medium installed */ | |
67cc61e4 | 1022 | const struct SCSISense sense_code_INCOMPATIBLE_FORMAT = { |
a872a304 PB |
1023 | .key = ILLEGAL_REQUEST, .asc = 0x30, .ascq = 0x00 |
1024 | }; | |
1025 | ||
68bb01f3 MA |
1026 | /* Illegal request, medium removal prevented */ |
1027 | const struct SCSISense sense_code_ILLEGAL_REQ_REMOVAL_PREVENTED = { | |
1028 | .key = ILLEGAL_REQUEST, .asc = 0x53, .ascq = 0x00 | |
1029 | }; | |
1030 | ||
a1f0cce2 HR |
1031 | /* Command aborted, I/O process terminated */ |
1032 | const struct SCSISense sense_code_IO_ERROR = { | |
1033 | .key = ABORTED_COMMAND, .asc = 0x00, .ascq = 0x06 | |
1034 | }; | |
1035 | ||
1036 | /* Command aborted, I_T Nexus loss occurred */ | |
1037 | const struct SCSISense sense_code_I_T_NEXUS_LOSS = { | |
1038 | .key = ABORTED_COMMAND, .asc = 0x29, .ascq = 0x07 | |
1039 | }; | |
1040 | ||
1041 | /* Command aborted, Logical Unit failure */ | |
1042 | const struct SCSISense sense_code_LUN_FAILURE = { | |
1043 | .key = ABORTED_COMMAND, .asc = 0x3e, .ascq = 0x01 | |
1044 | }; | |
1045 | ||
a872a304 PB |
1046 | /* Unit attention, Power on, reset or bus device reset occurred */ |
1047 | const struct SCSISense sense_code_RESET = { | |
1048 | .key = UNIT_ATTENTION, .asc = 0x29, .ascq = 0x00 | |
1049 | }; | |
1050 | ||
8a9c16f6 PB |
1051 | /* Unit attention, No medium */ |
1052 | const struct SCSISense sense_code_UNIT_ATTENTION_NO_MEDIUM = { | |
1053 | .key = UNIT_ATTENTION, .asc = 0x3a, .ascq = 0x00 | |
1054 | }; | |
1055 | ||
a872a304 PB |
1056 | /* Unit attention, Medium may have changed */ |
1057 | const struct SCSISense sense_code_MEDIUM_CHANGED = { | |
1058 | .key = UNIT_ATTENTION, .asc = 0x28, .ascq = 0x00 | |
1059 | }; | |
1060 | ||
1061 | /* Unit attention, Reported LUNs data has changed */ | |
1062 | const struct SCSISense sense_code_REPORTED_LUNS_CHANGED = { | |
1063 | .key = UNIT_ATTENTION, .asc = 0x3f, .ascq = 0x0e | |
1064 | }; | |
1065 | ||
1066 | /* Unit attention, Device internal reset */ | |
1067 | const struct SCSISense sense_code_DEVICE_INTERNAL_RESET = { | |
1068 | .key = UNIT_ATTENTION, .asc = 0x29, .ascq = 0x04 | |
1069 | }; | |
1070 | ||
a1f0cce2 HR |
1071 | /* |
1072 | * scsi_build_sense | |
1073 | * | |
b45ef674 | 1074 | * Convert between fixed and descriptor sense buffers |
a1f0cce2 | 1075 | */ |
b45ef674 PB |
1076 | int scsi_build_sense(uint8_t *in_buf, int in_len, |
1077 | uint8_t *buf, int len, bool fixed) | |
a1f0cce2 | 1078 | { |
b45ef674 PB |
1079 | bool fixed_in; |
1080 | SCSISense sense; | |
a1f0cce2 HR |
1081 | if (!fixed && len < 8) { |
1082 | return 0; | |
1083 | } | |
1084 | ||
b45ef674 PB |
1085 | if (in_len == 0) { |
1086 | sense.key = NO_SENSE; | |
1087 | sense.asc = 0; | |
1088 | sense.ascq = 0; | |
1089 | } else { | |
1090 | fixed_in = (in_buf[0] & 2) == 0; | |
1091 | ||
1092 | if (fixed == fixed_in) { | |
1093 | memcpy(buf, in_buf, MIN(len, in_len)); | |
1094 | return MIN(len, in_len); | |
1095 | } | |
1096 | ||
1097 | if (fixed_in) { | |
1098 | sense.key = in_buf[2]; | |
1099 | sense.asc = in_buf[12]; | |
1100 | sense.ascq = in_buf[13]; | |
1101 | } else { | |
1102 | sense.key = in_buf[1]; | |
1103 | sense.asc = in_buf[2]; | |
1104 | sense.ascq = in_buf[3]; | |
1105 | } | |
1106 | } | |
1107 | ||
a1f0cce2 HR |
1108 | memset(buf, 0, len); |
1109 | if (fixed) { | |
1110 | /* Return fixed format sense buffer */ | |
1111 | buf[0] = 0xf0; | |
1112 | buf[2] = sense.key; | |
eae31cb9 | 1113 | buf[7] = 10; |
a1f0cce2 HR |
1114 | buf[12] = sense.asc; |
1115 | buf[13] = sense.ascq; | |
1116 | return MIN(len, 18); | |
1117 | } else { | |
1118 | /* Return descriptor format sense buffer */ | |
1119 | buf[0] = 0x72; | |
1120 | buf[1] = sense.key; | |
1121 | buf[2] = sense.asc; | |
1122 | buf[3] = sense.ascq; | |
1123 | return 8; | |
1124 | } | |
1125 | } | |
1126 | ||
ec766865 GH |
1127 | static const char *scsi_command_name(uint8_t cmd) |
1128 | { | |
1129 | static const char *names[] = { | |
1130 | [ TEST_UNIT_READY ] = "TEST_UNIT_READY", | |
5e30a07d | 1131 | [ REWIND ] = "REWIND", |
ec766865 GH |
1132 | [ REQUEST_SENSE ] = "REQUEST_SENSE", |
1133 | [ FORMAT_UNIT ] = "FORMAT_UNIT", | |
1134 | [ READ_BLOCK_LIMITS ] = "READ_BLOCK_LIMITS", | |
1135 | [ REASSIGN_BLOCKS ] = "REASSIGN_BLOCKS", | |
1136 | [ READ_6 ] = "READ_6", | |
1137 | [ WRITE_6 ] = "WRITE_6", | |
00a01ad4 | 1138 | [ SET_CAPACITY ] = "SET_CAPACITY", |
ec766865 GH |
1139 | [ READ_REVERSE ] = "READ_REVERSE", |
1140 | [ WRITE_FILEMARKS ] = "WRITE_FILEMARKS", | |
1141 | [ SPACE ] = "SPACE", | |
1142 | [ INQUIRY ] = "INQUIRY", | |
1143 | [ RECOVER_BUFFERED_DATA ] = "RECOVER_BUFFERED_DATA", | |
c7126d5b NB |
1144 | [ MAINTENANCE_IN ] = "MAINTENANCE_IN", |
1145 | [ MAINTENANCE_OUT ] = "MAINTENANCE_OUT", | |
ec766865 GH |
1146 | [ MODE_SELECT ] = "MODE_SELECT", |
1147 | [ RESERVE ] = "RESERVE", | |
1148 | [ RELEASE ] = "RELEASE", | |
1149 | [ COPY ] = "COPY", | |
1150 | [ ERASE ] = "ERASE", | |
1151 | [ MODE_SENSE ] = "MODE_SENSE", | |
1152 | [ START_STOP ] = "START_STOP", | |
1153 | [ RECEIVE_DIAGNOSTIC ] = "RECEIVE_DIAGNOSTIC", | |
1154 | [ SEND_DIAGNOSTIC ] = "SEND_DIAGNOSTIC", | |
1155 | [ ALLOW_MEDIUM_REMOVAL ] = "ALLOW_MEDIUM_REMOVAL", | |
5e30a07d | 1156 | [ READ_CAPACITY_10 ] = "READ_CAPACITY_10", |
ec766865 GH |
1157 | [ READ_10 ] = "READ_10", |
1158 | [ WRITE_10 ] = "WRITE_10", | |
1159 | [ SEEK_10 ] = "SEEK_10", | |
5e30a07d HR |
1160 | [ WRITE_VERIFY_10 ] = "WRITE_VERIFY_10", |
1161 | [ VERIFY_10 ] = "VERIFY_10", | |
ec766865 GH |
1162 | [ SEARCH_HIGH ] = "SEARCH_HIGH", |
1163 | [ SEARCH_EQUAL ] = "SEARCH_EQUAL", | |
1164 | [ SEARCH_LOW ] = "SEARCH_LOW", | |
1165 | [ SET_LIMITS ] = "SET_LIMITS", | |
00a01ad4 | 1166 | [ PRE_FETCH ] = "PRE_FETCH/READ_POSITION", |
545557d4 | 1167 | /* READ_POSITION and PRE_FETCH use the same operation code */ |
ec766865 GH |
1168 | [ SYNCHRONIZE_CACHE ] = "SYNCHRONIZE_CACHE", |
1169 | [ LOCK_UNLOCK_CACHE ] = "LOCK_UNLOCK_CACHE", | |
1170 | [ READ_DEFECT_DATA ] = "READ_DEFECT_DATA", | |
1171 | [ MEDIUM_SCAN ] = "MEDIUM_SCAN", | |
1172 | [ COMPARE ] = "COMPARE", | |
1173 | [ COPY_VERIFY ] = "COPY_VERIFY", | |
1174 | [ WRITE_BUFFER ] = "WRITE_BUFFER", | |
1175 | [ READ_BUFFER ] = "READ_BUFFER", | |
1176 | [ UPDATE_BLOCK ] = "UPDATE_BLOCK", | |
5e30a07d HR |
1177 | [ READ_LONG_10 ] = "READ_LONG_10", |
1178 | [ WRITE_LONG_10 ] = "WRITE_LONG_10", | |
ec766865 | 1179 | [ CHANGE_DEFINITION ] = "CHANGE_DEFINITION", |
5e30a07d HR |
1180 | [ WRITE_SAME_10 ] = "WRITE_SAME_10", |
1181 | [ UNMAP ] = "UNMAP", | |
ec766865 | 1182 | [ READ_TOC ] = "READ_TOC", |
5e30a07d HR |
1183 | [ REPORT_DENSITY_SUPPORT ] = "REPORT_DENSITY_SUPPORT", |
1184 | [ GET_CONFIGURATION ] = "GET_CONFIGURATION", | |
ec766865 GH |
1185 | [ LOG_SELECT ] = "LOG_SELECT", |
1186 | [ LOG_SENSE ] = "LOG_SENSE", | |
1187 | [ MODE_SELECT_10 ] = "MODE_SELECT_10", | |
1188 | [ RESERVE_10 ] = "RESERVE_10", | |
1189 | [ RELEASE_10 ] = "RELEASE_10", | |
1190 | [ MODE_SENSE_10 ] = "MODE_SENSE_10", | |
1191 | [ PERSISTENT_RESERVE_IN ] = "PERSISTENT_RESERVE_IN", | |
1192 | [ PERSISTENT_RESERVE_OUT ] = "PERSISTENT_RESERVE_OUT", | |
5e30a07d HR |
1193 | [ WRITE_FILEMARKS_16 ] = "WRITE_FILEMARKS_16", |
1194 | [ EXTENDED_COPY ] = "EXTENDED_COPY", | |
1195 | [ ATA_PASSTHROUGH ] = "ATA_PASSTHROUGH", | |
1196 | [ ACCESS_CONTROL_IN ] = "ACCESS_CONTROL_IN", | |
1197 | [ ACCESS_CONTROL_OUT ] = "ACCESS_CONTROL_OUT", | |
1198 | [ READ_16 ] = "READ_16", | |
1199 | [ COMPARE_AND_WRITE ] = "COMPARE_AND_WRITE", | |
1200 | [ WRITE_16 ] = "WRITE_16", | |
1201 | [ WRITE_VERIFY_16 ] = "WRITE_VERIFY_16", | |
1202 | [ VERIFY_16 ] = "VERIFY_16", | |
00a01ad4 PB |
1203 | [ PRE_FETCH_16 ] = "PRE_FETCH_16", |
1204 | [ SYNCHRONIZE_CACHE_16 ] = "SPACE_16/SYNCHRONIZE_CACHE_16", | |
1205 | /* SPACE_16 and SYNCHRONIZE_CACHE_16 use the same operation code */ | |
5e30a07d | 1206 | [ LOCATE_16 ] = "LOCATE_16", |
00a01ad4 | 1207 | [ WRITE_SAME_16 ] = "ERASE_16/WRITE_SAME_16", |
48bb9f53 | 1208 | /* ERASE_16 and WRITE_SAME_16 use the same operation code */ |
f6515262 | 1209 | [ SERVICE_ACTION_IN_16 ] = "SERVICE_ACTION_IN_16", |
5e30a07d HR |
1210 | [ WRITE_LONG_16 ] = "WRITE_LONG_16", |
1211 | [ REPORT_LUNS ] = "REPORT_LUNS", | |
1212 | [ BLANK ] = "BLANK", | |
ec766865 | 1213 | [ MOVE_MEDIUM ] = "MOVE_MEDIUM", |
5e30a07d | 1214 | [ LOAD_UNLOAD ] = "LOAD_UNLOAD", |
ec766865 GH |
1215 | [ READ_12 ] = "READ_12", |
1216 | [ WRITE_12 ] = "WRITE_12", | |
00a01ad4 PB |
1217 | [ ERASE_12 ] = "ERASE_12/GET_PERFORMANCE", |
1218 | /* ERASE_12 and GET_PERFORMANCE use the same operation code */ | |
f6515262 | 1219 | [ SERVICE_ACTION_IN_12 ] = "SERVICE_ACTION_IN_12", |
ec766865 | 1220 | [ WRITE_VERIFY_12 ] = "WRITE_VERIFY_12", |
5e30a07d | 1221 | [ VERIFY_12 ] = "VERIFY_12", |
ec766865 GH |
1222 | [ SEARCH_HIGH_12 ] = "SEARCH_HIGH_12", |
1223 | [ SEARCH_EQUAL_12 ] = "SEARCH_EQUAL_12", | |
1224 | [ SEARCH_LOW_12 ] = "SEARCH_LOW_12", | |
1225 | [ READ_ELEMENT_STATUS ] = "READ_ELEMENT_STATUS", | |
00a01ad4 PB |
1226 | [ SEND_VOLUME_TAG ] = "SEND_VOLUME_TAG/SET_STREAMING", |
1227 | /* SEND_VOLUME_TAG and SET_STREAMING use the same operation code */ | |
1228 | [ READ_CD ] = "READ_CD", | |
5e30a07d | 1229 | [ READ_DEFECT_DATA_12 ] = "READ_DEFECT_DATA_12", |
00a01ad4 PB |
1230 | [ READ_DVD_STRUCTURE ] = "READ_DVD_STRUCTURE", |
1231 | [ RESERVE_TRACK ] = "RESERVE_TRACK", | |
1232 | [ SEND_CUE_SHEET ] = "SEND_CUE_SHEET", | |
1233 | [ SEND_DVD_STRUCTURE ] = "SEND_DVD_STRUCTURE", | |
ec766865 | 1234 | [ SET_CD_SPEED ] = "SET_CD_SPEED", |
00a01ad4 PB |
1235 | [ SET_READ_AHEAD ] = "SET_READ_AHEAD", |
1236 | [ ALLOW_OVERWRITE ] = "ALLOW_OVERWRITE", | |
1237 | [ MECHANISM_STATUS ] = "MECHANISM_STATUS", | |
ec766865 GH |
1238 | }; |
1239 | ||
1240 | if (cmd >= ARRAY_SIZE(names) || names[cmd] == NULL) | |
1241 | return "*UNKNOWN*"; | |
1242 | return names[cmd]; | |
1243 | } | |
1244 | ||
ad2d30f7 PB |
1245 | SCSIRequest *scsi_req_ref(SCSIRequest *req) |
1246 | { | |
1247 | req->refcount++; | |
1248 | return req; | |
1249 | } | |
1250 | ||
1251 | void scsi_req_unref(SCSIRequest *req) | |
1252 | { | |
1253 | if (--req->refcount == 0) { | |
12010e7b PB |
1254 | if (req->ops->free_req) { |
1255 | req->ops->free_req(req); | |
ad2d30f7 | 1256 | } |
7267c094 | 1257 | g_free(req); |
ad2d30f7 PB |
1258 | } |
1259 | } | |
1260 | ||
ad3376cc PB |
1261 | /* Tell the device that we finished processing this chunk of I/O. It |
1262 | will start the next chunk or complete the command. */ | |
1263 | void scsi_req_continue(SCSIRequest *req) | |
1264 | { | |
1265 | trace_scsi_req_continue(req->dev->id, req->lun, req->tag); | |
1266 | if (req->cmd.mode == SCSI_XFER_TO_DEV) { | |
12010e7b | 1267 | req->ops->write_data(req); |
ad3376cc | 1268 | } else { |
12010e7b | 1269 | req->ops->read_data(req); |
ad3376cc PB |
1270 | } |
1271 | } | |
1272 | ||
ab9adc88 PB |
1273 | /* Called by the devices when data is ready for the HBA. The HBA should |
1274 | start a DMA operation to read or fill the device's data buffer. | |
ad3376cc | 1275 | Once it completes, calling scsi_req_continue will restart I/O. */ |
ab9adc88 PB |
1276 | void scsi_req_data(SCSIRequest *req, int len) |
1277 | { | |
e88c591d PB |
1278 | if (req->io_canceled) { |
1279 | trace_scsi_req_data_canceled(req->dev->id, req->lun, req->tag, len); | |
01e95455 | 1280 | return; |
e88c591d | 1281 | } |
01e95455 PB |
1282 | trace_scsi_req_data(req->dev->id, req->lun, req->tag, len); |
1283 | assert(req->cmd.mode != SCSI_XFER_NONE); | |
1284 | req->resid -= len; | |
1285 | req->bus->info->transfer_data(req, len); | |
ab9adc88 PB |
1286 | } |
1287 | ||
ec766865 GH |
1288 | void scsi_req_print(SCSIRequest *req) |
1289 | { | |
1290 | FILE *fp = stderr; | |
1291 | int i; | |
1292 | ||
1293 | fprintf(fp, "[%s id=%d] %s", | |
1294 | req->dev->qdev.parent_bus->name, | |
1295 | req->dev->id, | |
1296 | scsi_command_name(req->cmd.buf[0])); | |
1297 | for (i = 1; i < req->cmd.len; i++) { | |
1298 | fprintf(fp, " 0x%02x", req->cmd.buf[i]); | |
1299 | } | |
1300 | switch (req->cmd.mode) { | |
1301 | case SCSI_XFER_NONE: | |
1302 | fprintf(fp, " - none\n"); | |
1303 | break; | |
1304 | case SCSI_XFER_FROM_DEV: | |
1305 | fprintf(fp, " - from-dev len=%zd\n", req->cmd.xfer); | |
1306 | break; | |
1307 | case SCSI_XFER_TO_DEV: | |
1308 | fprintf(fp, " - to-dev len=%zd\n", req->cmd.xfer); | |
1309 | break; | |
1310 | default: | |
1311 | fprintf(fp, " - Oops\n"); | |
1312 | break; | |
1313 | } | |
1314 | } | |
1315 | ||
682a9b21 | 1316 | void scsi_req_complete(SCSIRequest *req, int status) |
ed3a34a3 | 1317 | { |
682a9b21 PB |
1318 | assert(req->status == -1); |
1319 | req->status = status; | |
b45ef674 PB |
1320 | |
1321 | assert(req->sense_len < sizeof(req->sense)); | |
1322 | if (status == GOOD) { | |
1323 | req->sense_len = 0; | |
1324 | } | |
1325 | ||
1326 | if (req->sense_len) { | |
1327 | memcpy(req->dev->sense, req->sense, req->sense_len); | |
3653d8c4 PB |
1328 | req->dev->sense_len = req->sense_len; |
1329 | req->dev->sense_is_ua = (req->ops == &reqops_unit_attention); | |
1330 | } else { | |
1331 | req->dev->sense_len = 0; | |
1332 | req->dev->sense_is_ua = false; | |
b45ef674 | 1333 | } |
b45ef674 | 1334 | |
6dc06f08 PB |
1335 | /* |
1336 | * Unit attention state is now stored in the device's sense buffer | |
1337 | * if the HBA didn't do autosense. Clear the pending unit attention | |
1338 | * flags. | |
1339 | */ | |
1340 | scsi_clear_unit_attention(req); | |
1341 | ||
ad2d30f7 | 1342 | scsi_req_ref(req); |
e8637c90 | 1343 | scsi_req_dequeue(req); |
01e95455 | 1344 | req->bus->info->complete(req, req->status, req->resid); |
ad2d30f7 | 1345 | scsi_req_unref(req); |
ed3a34a3 | 1346 | } |
db07c0f8 | 1347 | |
94d3f98a PB |
1348 | void scsi_req_cancel(SCSIRequest *req) |
1349 | { | |
e88c591d PB |
1350 | if (!req->enqueued) { |
1351 | return; | |
94d3f98a PB |
1352 | } |
1353 | scsi_req_ref(req); | |
1354 | scsi_req_dequeue(req); | |
e88c591d PB |
1355 | req->io_canceled = true; |
1356 | if (req->ops->cancel_io) { | |
1357 | req->ops->cancel_io(req); | |
1358 | } | |
afd4030c PB |
1359 | if (req->bus->info->cancel) { |
1360 | req->bus->info->cancel(req); | |
94d3f98a PB |
1361 | } |
1362 | scsi_req_unref(req); | |
1363 | } | |
1364 | ||
19d110ab PB |
1365 | void scsi_req_abort(SCSIRequest *req, int status) |
1366 | { | |
e88c591d PB |
1367 | if (!req->enqueued) { |
1368 | return; | |
1369 | } | |
1370 | scsi_req_ref(req); | |
1371 | scsi_req_dequeue(req); | |
1372 | req->io_canceled = true; | |
12010e7b PB |
1373 | if (req->ops->cancel_io) { |
1374 | req->ops->cancel_io(req); | |
19d110ab | 1375 | } |
682a9b21 | 1376 | scsi_req_complete(req, status); |
e88c591d | 1377 | scsi_req_unref(req); |
19d110ab PB |
1378 | } |
1379 | ||
c7b48872 | 1380 | void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense) |
c557e889 PB |
1381 | { |
1382 | SCSIRequest *req; | |
1383 | ||
1384 | while (!QTAILQ_EMPTY(&sdev->requests)) { | |
1385 | req = QTAILQ_FIRST(&sdev->requests); | |
94d3f98a | 1386 | scsi_req_cancel(req); |
c557e889 | 1387 | } |
c7b48872 | 1388 | sdev->unit_attention = sense; |
c557e889 PB |
1389 | } |
1390 | ||
db07c0f8 GN |
1391 | static char *scsibus_get_fw_dev_path(DeviceState *dev) |
1392 | { | |
b9eea3e6 | 1393 | SCSIDevice *d = SCSI_DEVICE(dev); |
db07c0f8 | 1394 | char path[100]; |
db07c0f8 | 1395 | |
795928f6 PB |
1396 | snprintf(path, sizeof(path), "channel@%x/%s@%x,%x", d->channel, |
1397 | qdev_fw_name(dev), d->id, d->lun); | |
db07c0f8 | 1398 | |
f48a7a6e PB |
1399 | return strdup(path); |
1400 | } | |
1401 | ||
0d3545e7 | 1402 | SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int id, int lun) |
f48a7a6e PB |
1403 | { |
1404 | DeviceState *qdev; | |
1405 | SCSIDevice *target_dev = NULL; | |
db07c0f8 | 1406 | |
f48a7a6e | 1407 | QTAILQ_FOREACH_REVERSE(qdev, &bus->qbus.children, ChildrenHead, sibling) { |
b9eea3e6 | 1408 | SCSIDevice *dev = SCSI_DEVICE(qdev); |
db07c0f8 | 1409 | |
0d3545e7 | 1410 | if (dev->channel == channel && dev->id == id) { |
f48a7a6e PB |
1411 | if (dev->lun == lun) { |
1412 | return dev; | |
1413 | } | |
1414 | target_dev = dev; | |
1415 | } | |
1416 | } | |
1417 | return target_dev; | |
db07c0f8 | 1418 | } |
b9eea3e6 | 1419 | |
39bffca2 AL |
1420 | static void scsi_device_class_init(ObjectClass *klass, void *data) |
1421 | { | |
1422 | DeviceClass *k = DEVICE_CLASS(klass); | |
1423 | k->bus_info = &scsi_bus_info; | |
1424 | k->init = scsi_qdev_init; | |
1425 | k->unplug = qdev_simple_unplug_cb; | |
1426 | k->exit = scsi_qdev_exit; | |
1427 | } | |
1428 | ||
b9eea3e6 AL |
1429 | static TypeInfo scsi_device_type_info = { |
1430 | .name = TYPE_SCSI_DEVICE, | |
1431 | .parent = TYPE_DEVICE, | |
1432 | .instance_size = sizeof(SCSIDevice), | |
1433 | .abstract = true, | |
1434 | .class_size = sizeof(SCSIDeviceClass), | |
39bffca2 | 1435 | .class_init = scsi_device_class_init, |
b9eea3e6 AL |
1436 | }; |
1437 | ||
83f7d43a | 1438 | static void scsi_register_types(void) |
b9eea3e6 AL |
1439 | { |
1440 | type_register_static(&scsi_device_type_info); | |
1441 | } | |
1442 | ||
83f7d43a | 1443 | type_init(scsi_register_types) |