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1da177e4 LT |
1 | #include <linux/kernel.h> |
2 | #include <linux/errno.h> | |
3 | #include <linux/init.h> | |
4 | #include <linux/slab.h> | |
5 | #include <linux/mm.h> | |
6 | #include <linux/module.h> | |
7 | #include <linux/moduleparam.h> | |
378f058c | 8 | #include <linux/scatterlist.h> |
1cfab028 | 9 | #include <linux/mutex.h> |
1da177e4 LT |
10 | |
11 | #include <linux/usb.h> | |
12 | ||
13 | ||
14 | /*-------------------------------------------------------------------------*/ | |
15 | ||
16 | // FIXME make these public somewhere; usbdevfs.h? | |
17 | // | |
18 | struct usbtest_param { | |
19 | // inputs | |
20 | unsigned test_num; /* 0..(TEST_CASES-1) */ | |
21 | unsigned iterations; | |
22 | unsigned length; | |
23 | unsigned vary; | |
24 | unsigned sglen; | |
25 | ||
26 | // outputs | |
27 | struct timeval duration; | |
28 | }; | |
29 | #define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) | |
30 | ||
31 | /*-------------------------------------------------------------------------*/ | |
32 | ||
33 | #define GENERIC /* let probe() bind using module params */ | |
34 | ||
35 | /* Some devices that can be used for testing will have "real" drivers. | |
36 | * Entries for those need to be enabled here by hand, after disabling | |
37 | * that "real" driver. | |
38 | */ | |
39 | //#define IBOT2 /* grab iBOT2 webcams */ | |
40 | //#define KEYSPAN_19Qi /* grab un-renumerated serial adapter */ | |
41 | ||
42 | /*-------------------------------------------------------------------------*/ | |
43 | ||
44 | struct usbtest_info { | |
45 | const char *name; | |
46 | u8 ep_in; /* bulk/intr source */ | |
47 | u8 ep_out; /* bulk/intr sink */ | |
48 | unsigned autoconf : 1; | |
49 | unsigned ctrl_out : 1; | |
50 | unsigned iso : 1; /* try iso in/out */ | |
51 | int alt; | |
52 | }; | |
53 | ||
54 | /* this is accessed only through usbfs ioctl calls. | |
55 | * one ioctl to issue a test ... one lock per device. | |
56 | * tests create other threads if they need them. | |
57 | * urbs and buffers are allocated dynamically, | |
58 | * and data generated deterministically. | |
59 | */ | |
60 | struct usbtest_dev { | |
61 | struct usb_interface *intf; | |
62 | struct usbtest_info *info; | |
63 | int in_pipe; | |
64 | int out_pipe; | |
65 | int in_iso_pipe; | |
66 | int out_iso_pipe; | |
67 | struct usb_endpoint_descriptor *iso_in, *iso_out; | |
1cfab028 | 68 | struct mutex lock; |
1da177e4 LT |
69 | |
70 | #define TBUF_SIZE 256 | |
71 | u8 *buf; | |
72 | }; | |
73 | ||
74 | static struct usb_device *testdev_to_usbdev (struct usbtest_dev *test) | |
75 | { | |
76 | return interface_to_usbdev (test->intf); | |
77 | } | |
78 | ||
79 | /* set up all urbs so they can be used with either bulk or interrupt */ | |
80 | #define INTERRUPT_RATE 1 /* msec/transfer */ | |
81 | ||
28ffd79c DB |
82 | #define ERROR(tdev, fmt, args...) \ |
83 | dev_err(&(tdev)->intf->dev , fmt , ## args) | |
b6c63937 | 84 | #define WARNING(tdev, fmt, args...) \ |
28ffd79c | 85 | dev_warn(&(tdev)->intf->dev , fmt , ## args) |
1da177e4 LT |
86 | |
87 | /*-------------------------------------------------------------------------*/ | |
88 | ||
89 | static int | |
90 | get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) | |
91 | { | |
92 | int tmp; | |
93 | struct usb_host_interface *alt; | |
94 | struct usb_host_endpoint *in, *out; | |
95 | struct usb_host_endpoint *iso_in, *iso_out; | |
96 | struct usb_device *udev; | |
97 | ||
98 | for (tmp = 0; tmp < intf->num_altsetting; tmp++) { | |
99 | unsigned ep; | |
100 | ||
101 | in = out = NULL; | |
102 | iso_in = iso_out = NULL; | |
103 | alt = intf->altsetting + tmp; | |
104 | ||
105 | /* take the first altsetting with in-bulk + out-bulk; | |
106 | * ignore other endpoints and altsetttings. | |
107 | */ | |
108 | for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { | |
109 | struct usb_host_endpoint *e; | |
110 | ||
111 | e = alt->endpoint + ep; | |
112 | switch (e->desc.bmAttributes) { | |
113 | case USB_ENDPOINT_XFER_BULK: | |
114 | break; | |
115 | case USB_ENDPOINT_XFER_ISOC: | |
116 | if (dev->info->iso) | |
117 | goto try_iso; | |
118 | // FALLTHROUGH | |
119 | default: | |
120 | continue; | |
121 | } | |
4d823dd2 | 122 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
123 | if (!in) |
124 | in = e; | |
125 | } else { | |
126 | if (!out) | |
127 | out = e; | |
128 | } | |
129 | continue; | |
130 | try_iso: | |
4d823dd2 | 131 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
132 | if (!iso_in) |
133 | iso_in = e; | |
134 | } else { | |
135 | if (!iso_out) | |
136 | iso_out = e; | |
137 | } | |
138 | } | |
139 | if ((in && out) || (iso_in && iso_out)) | |
140 | goto found; | |
141 | } | |
142 | return -EINVAL; | |
143 | ||
144 | found: | |
145 | udev = testdev_to_usbdev (dev); | |
146 | if (alt->desc.bAlternateSetting != 0) { | |
147 | tmp = usb_set_interface (udev, | |
148 | alt->desc.bInterfaceNumber, | |
149 | alt->desc.bAlternateSetting); | |
150 | if (tmp < 0) | |
151 | return tmp; | |
152 | } | |
153 | ||
154 | if (in) { | |
155 | dev->in_pipe = usb_rcvbulkpipe (udev, | |
156 | in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
157 | dev->out_pipe = usb_sndbulkpipe (udev, | |
158 | out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
159 | } | |
160 | if (iso_in) { | |
161 | dev->iso_in = &iso_in->desc; | |
162 | dev->in_iso_pipe = usb_rcvisocpipe (udev, | |
163 | iso_in->desc.bEndpointAddress | |
164 | & USB_ENDPOINT_NUMBER_MASK); | |
165 | dev->iso_out = &iso_out->desc; | |
166 | dev->out_iso_pipe = usb_sndisocpipe (udev, | |
167 | iso_out->desc.bEndpointAddress | |
168 | & USB_ENDPOINT_NUMBER_MASK); | |
169 | } | |
170 | return 0; | |
171 | } | |
172 | ||
173 | /*-------------------------------------------------------------------------*/ | |
174 | ||
175 | /* Support for testing basic non-queued I/O streams. | |
176 | * | |
177 | * These just package urbs as requests that can be easily canceled. | |
178 | * Each urb's data buffer is dynamically allocated; callers can fill | |
179 | * them with non-zero test data (or test for it) when appropriate. | |
180 | */ | |
181 | ||
7d12e780 | 182 | static void simple_callback (struct urb *urb) |
1da177e4 | 183 | { |
cdc97792 | 184 | complete(urb->context); |
1da177e4 LT |
185 | } |
186 | ||
187 | static struct urb *simple_alloc_urb ( | |
188 | struct usb_device *udev, | |
189 | int pipe, | |
190 | unsigned long bytes | |
191 | ) | |
192 | { | |
193 | struct urb *urb; | |
194 | ||
e94b1766 | 195 | urb = usb_alloc_urb (0, GFP_KERNEL); |
1da177e4 LT |
196 | if (!urb) |
197 | return urb; | |
198 | usb_fill_bulk_urb (urb, udev, pipe, NULL, bytes, simple_callback, NULL); | |
199 | urb->interval = (udev->speed == USB_SPEED_HIGH) | |
200 | ? (INTERRUPT_RATE << 3) | |
201 | : INTERRUPT_RATE; | |
202 | urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; | |
203 | if (usb_pipein (pipe)) | |
204 | urb->transfer_flags |= URB_SHORT_NOT_OK; | |
e94b1766 | 205 | urb->transfer_buffer = usb_buffer_alloc (udev, bytes, GFP_KERNEL, |
1da177e4 LT |
206 | &urb->transfer_dma); |
207 | if (!urb->transfer_buffer) { | |
208 | usb_free_urb (urb); | |
209 | urb = NULL; | |
210 | } else | |
211 | memset (urb->transfer_buffer, 0, bytes); | |
212 | return urb; | |
213 | } | |
214 | ||
215 | static unsigned pattern = 0; | |
7f4e9854 VP |
216 | static unsigned mod_pattern; |
217 | module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); | |
218 | MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); | |
1da177e4 LT |
219 | |
220 | static inline void simple_fill_buf (struct urb *urb) | |
221 | { | |
222 | unsigned i; | |
223 | u8 *buf = urb->transfer_buffer; | |
224 | unsigned len = urb->transfer_buffer_length; | |
225 | ||
226 | switch (pattern) { | |
227 | default: | |
228 | // FALLTHROUGH | |
229 | case 0: | |
230 | memset (buf, 0, len); | |
231 | break; | |
232 | case 1: /* mod63 */ | |
233 | for (i = 0; i < len; i++) | |
234 | *buf++ = (u8) (i % 63); | |
235 | break; | |
236 | } | |
237 | } | |
238 | ||
28ffd79c | 239 | static inline int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb) |
1da177e4 LT |
240 | { |
241 | unsigned i; | |
242 | u8 expected; | |
243 | u8 *buf = urb->transfer_buffer; | |
244 | unsigned len = urb->actual_length; | |
245 | ||
246 | for (i = 0; i < len; i++, buf++) { | |
247 | switch (pattern) { | |
248 | /* all-zeroes has no synchronization issues */ | |
249 | case 0: | |
250 | expected = 0; | |
251 | break; | |
252 | /* mod63 stays in sync with short-terminated transfers, | |
253 | * or otherwise when host and gadget agree on how large | |
254 | * each usb transfer request should be. resync is done | |
255 | * with set_interface or set_config. | |
256 | */ | |
257 | case 1: /* mod63 */ | |
258 | expected = i % 63; | |
259 | break; | |
260 | /* always fail unsupported patterns */ | |
261 | default: | |
262 | expected = !*buf; | |
263 | break; | |
264 | } | |
265 | if (*buf == expected) | |
266 | continue; | |
28ffd79c | 267 | ERROR(tdev, "buf[%d] = %d (not %d)\n", i, *buf, expected); |
1da177e4 LT |
268 | return -EINVAL; |
269 | } | |
270 | return 0; | |
271 | } | |
272 | ||
273 | static void simple_free_urb (struct urb *urb) | |
274 | { | |
275 | usb_buffer_free (urb->dev, urb->transfer_buffer_length, | |
276 | urb->transfer_buffer, urb->transfer_dma); | |
277 | usb_free_urb (urb); | |
278 | } | |
279 | ||
280 | static int simple_io ( | |
28ffd79c | 281 | struct usbtest_dev *tdev, |
1da177e4 LT |
282 | struct urb *urb, |
283 | int iterations, | |
284 | int vary, | |
285 | int expected, | |
286 | const char *label | |
287 | ) | |
288 | { | |
289 | struct usb_device *udev = urb->dev; | |
290 | int max = urb->transfer_buffer_length; | |
291 | struct completion completion; | |
292 | int retval = 0; | |
293 | ||
294 | urb->context = &completion; | |
295 | while (retval == 0 && iterations-- > 0) { | |
296 | init_completion (&completion); | |
297 | if (usb_pipeout (urb->pipe)) | |
298 | simple_fill_buf (urb); | |
e94b1766 | 299 | if ((retval = usb_submit_urb (urb, GFP_KERNEL)) != 0) |
1da177e4 LT |
300 | break; |
301 | ||
302 | /* NOTE: no timeouts; can't be broken out of by interrupt */ | |
303 | wait_for_completion (&completion); | |
304 | retval = urb->status; | |
305 | urb->dev = udev; | |
306 | if (retval == 0 && usb_pipein (urb->pipe)) | |
28ffd79c | 307 | retval = simple_check_buf(tdev, urb); |
1da177e4 LT |
308 | |
309 | if (vary) { | |
310 | int len = urb->transfer_buffer_length; | |
311 | ||
312 | len += vary; | |
313 | len %= max; | |
314 | if (len == 0) | |
315 | len = (vary < max) ? vary : max; | |
316 | urb->transfer_buffer_length = len; | |
317 | } | |
318 | ||
319 | /* FIXME if endpoint halted, clear halt (and log) */ | |
320 | } | |
321 | urb->transfer_buffer_length = max; | |
322 | ||
323 | if (expected != retval) | |
28ffd79c | 324 | dev_err(&udev->dev, |
1da177e4 LT |
325 | "%s failed, iterations left %d, status %d (not %d)\n", |
326 | label, iterations, retval, expected); | |
327 | return retval; | |
328 | } | |
329 | ||
330 | ||
331 | /*-------------------------------------------------------------------------*/ | |
332 | ||
333 | /* We use scatterlist primitives to test queued I/O. | |
334 | * Yes, this also tests the scatterlist primitives. | |
335 | */ | |
336 | ||
337 | static void free_sglist (struct scatterlist *sg, int nents) | |
338 | { | |
339 | unsigned i; | |
28ffd79c | 340 | |
1da177e4 LT |
341 | if (!sg) |
342 | return; | |
343 | for (i = 0; i < nents; i++) { | |
45711f1a | 344 | if (!sg_page(&sg[i])) |
1da177e4 | 345 | continue; |
45711f1a | 346 | kfree (sg_virt(&sg[i])); |
1da177e4 LT |
347 | } |
348 | kfree (sg); | |
349 | } | |
350 | ||
351 | static struct scatterlist * | |
352 | alloc_sglist (int nents, int max, int vary) | |
353 | { | |
354 | struct scatterlist *sg; | |
355 | unsigned i; | |
356 | unsigned size = max; | |
357 | ||
e94b1766 | 358 | sg = kmalloc (nents * sizeof *sg, GFP_KERNEL); |
1da177e4 LT |
359 | if (!sg) |
360 | return NULL; | |
4756febb | 361 | sg_init_table(sg, nents); |
1da177e4 LT |
362 | |
363 | for (i = 0; i < nents; i++) { | |
364 | char *buf; | |
8b524901 | 365 | unsigned j; |
1da177e4 | 366 | |
e94b1766 | 367 | buf = kzalloc (size, GFP_KERNEL); |
1da177e4 LT |
368 | if (!buf) { |
369 | free_sglist (sg, i); | |
370 | return NULL; | |
371 | } | |
1da177e4 LT |
372 | |
373 | /* kmalloc pages are always physically contiguous! */ | |
4756febb | 374 | sg_set_buf(&sg[i], buf, size); |
1da177e4 | 375 | |
8b524901 DB |
376 | switch (pattern) { |
377 | case 0: | |
378 | /* already zeroed */ | |
379 | break; | |
380 | case 1: | |
381 | for (j = 0; j < size; j++) | |
382 | *buf++ = (u8) (j % 63); | |
383 | break; | |
384 | } | |
385 | ||
1da177e4 LT |
386 | if (vary) { |
387 | size += vary; | |
388 | size %= max; | |
389 | if (size == 0) | |
390 | size = (vary < max) ? vary : max; | |
391 | } | |
392 | } | |
393 | ||
394 | return sg; | |
395 | } | |
396 | ||
397 | static int perform_sglist ( | |
28ffd79c | 398 | struct usbtest_dev *tdev, |
1da177e4 LT |
399 | unsigned iterations, |
400 | int pipe, | |
401 | struct usb_sg_request *req, | |
402 | struct scatterlist *sg, | |
403 | int nents | |
404 | ) | |
405 | { | |
28ffd79c | 406 | struct usb_device *udev = testdev_to_usbdev(tdev); |
1da177e4 LT |
407 | int retval = 0; |
408 | ||
409 | while (retval == 0 && iterations-- > 0) { | |
410 | retval = usb_sg_init (req, udev, pipe, | |
411 | (udev->speed == USB_SPEED_HIGH) | |
412 | ? (INTERRUPT_RATE << 3) | |
413 | : INTERRUPT_RATE, | |
e94b1766 | 414 | sg, nents, 0, GFP_KERNEL); |
28ffd79c | 415 | |
1da177e4 LT |
416 | if (retval) |
417 | break; | |
418 | usb_sg_wait (req); | |
419 | retval = req->status; | |
420 | ||
8b524901 DB |
421 | /* FIXME check resulting data pattern */ |
422 | ||
1da177e4 LT |
423 | /* FIXME if endpoint halted, clear halt (and log) */ |
424 | } | |
425 | ||
426 | // FIXME for unlink or fault handling tests, don't report | |
427 | // failure if retval is as we expected ... | |
428 | ||
429 | if (retval) | |
28ffd79c DB |
430 | ERROR(tdev, "perform_sglist failed, " |
431 | "iterations left %d, status %d\n", | |
1da177e4 LT |
432 | iterations, retval); |
433 | return retval; | |
434 | } | |
435 | ||
436 | ||
437 | /*-------------------------------------------------------------------------*/ | |
438 | ||
439 | /* unqueued control message testing | |
440 | * | |
441 | * there's a nice set of device functional requirements in chapter 9 of the | |
442 | * usb 2.0 spec, which we can apply to ANY device, even ones that don't use | |
443 | * special test firmware. | |
444 | * | |
445 | * we know the device is configured (or suspended) by the time it's visible | |
446 | * through usbfs. we can't change that, so we won't test enumeration (which | |
447 | * worked 'well enough' to get here, this time), power management (ditto), | |
448 | * or remote wakeup (which needs human interaction). | |
449 | */ | |
450 | ||
451 | static unsigned realworld = 1; | |
452 | module_param (realworld, uint, 0); | |
ff7c79e4 | 453 | MODULE_PARM_DESC (realworld, "clear to demand stricter spec compliance"); |
1da177e4 LT |
454 | |
455 | static int get_altsetting (struct usbtest_dev *dev) | |
456 | { | |
457 | struct usb_interface *iface = dev->intf; | |
458 | struct usb_device *udev = interface_to_usbdev (iface); | |
459 | int retval; | |
460 | ||
461 | retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), | |
462 | USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, | |
463 | 0, iface->altsetting [0].desc.bInterfaceNumber, | |
464 | dev->buf, 1, USB_CTRL_GET_TIMEOUT); | |
465 | switch (retval) { | |
466 | case 1: | |
467 | return dev->buf [0]; | |
468 | case 0: | |
469 | retval = -ERANGE; | |
470 | // FALLTHROUGH | |
471 | default: | |
472 | return retval; | |
473 | } | |
474 | } | |
475 | ||
476 | static int set_altsetting (struct usbtest_dev *dev, int alternate) | |
477 | { | |
478 | struct usb_interface *iface = dev->intf; | |
479 | struct usb_device *udev; | |
480 | ||
481 | if (alternate < 0 || alternate >= 256) | |
482 | return -EINVAL; | |
483 | ||
484 | udev = interface_to_usbdev (iface); | |
485 | return usb_set_interface (udev, | |
486 | iface->altsetting [0].desc.bInterfaceNumber, | |
487 | alternate); | |
488 | } | |
489 | ||
28ffd79c | 490 | static int is_good_config(struct usbtest_dev *tdev, int len) |
1da177e4 LT |
491 | { |
492 | struct usb_config_descriptor *config; | |
28ffd79c | 493 | |
1da177e4 LT |
494 | if (len < sizeof *config) |
495 | return 0; | |
28ffd79c | 496 | config = (struct usb_config_descriptor *) tdev->buf; |
1da177e4 LT |
497 | |
498 | switch (config->bDescriptorType) { | |
499 | case USB_DT_CONFIG: | |
500 | case USB_DT_OTHER_SPEED_CONFIG: | |
501 | if (config->bLength != 9) { | |
28ffd79c | 502 | ERROR(tdev, "bogus config descriptor length\n"); |
1da177e4 LT |
503 | return 0; |
504 | } | |
505 | /* this bit 'must be 1' but often isn't */ | |
506 | if (!realworld && !(config->bmAttributes & 0x80)) { | |
28ffd79c | 507 | ERROR(tdev, "high bit of config attributes not set\n"); |
1da177e4 LT |
508 | return 0; |
509 | } | |
510 | if (config->bmAttributes & 0x1f) { /* reserved == 0 */ | |
28ffd79c | 511 | ERROR(tdev, "reserved config bits set\n"); |
1da177e4 LT |
512 | return 0; |
513 | } | |
514 | break; | |
515 | default: | |
516 | return 0; | |
517 | } | |
518 | ||
519 | if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ | |
520 | return 1; | |
521 | if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ | |
522 | return 1; | |
28ffd79c | 523 | ERROR(tdev, "bogus config descriptor read size\n"); |
1da177e4 LT |
524 | return 0; |
525 | } | |
526 | ||
527 | /* sanity test for standard requests working with usb_control_mesg() and some | |
528 | * of the utility functions which use it. | |
529 | * | |
530 | * this doesn't test how endpoint halts behave or data toggles get set, since | |
531 | * we won't do I/O to bulk/interrupt endpoints here (which is how to change | |
532 | * halt or toggle). toggle testing is impractical without support from hcds. | |
533 | * | |
534 | * this avoids failing devices linux would normally work with, by not testing | |
535 | * config/altsetting operations for devices that only support their defaults. | |
536 | * such devices rarely support those needless operations. | |
537 | * | |
538 | * NOTE that since this is a sanity test, it's not examining boundary cases | |
539 | * to see if usbcore, hcd, and device all behave right. such testing would | |
540 | * involve varied read sizes and other operation sequences. | |
541 | */ | |
542 | static int ch9_postconfig (struct usbtest_dev *dev) | |
543 | { | |
544 | struct usb_interface *iface = dev->intf; | |
545 | struct usb_device *udev = interface_to_usbdev (iface); | |
546 | int i, alt, retval; | |
547 | ||
548 | /* [9.2.3] if there's more than one altsetting, we need to be able to | |
549 | * set and get each one. mostly trusts the descriptors from usbcore. | |
550 | */ | |
551 | for (i = 0; i < iface->num_altsetting; i++) { | |
552 | ||
553 | /* 9.2.3 constrains the range here */ | |
554 | alt = iface->altsetting [i].desc.bAlternateSetting; | |
555 | if (alt < 0 || alt >= iface->num_altsetting) { | |
28ffd79c | 556 | dev_err(&iface->dev, |
1da177e4 LT |
557 | "invalid alt [%d].bAltSetting = %d\n", |
558 | i, alt); | |
559 | } | |
560 | ||
561 | /* [real world] get/set unimplemented if there's only one */ | |
562 | if (realworld && iface->num_altsetting == 1) | |
563 | continue; | |
564 | ||
565 | /* [9.4.10] set_interface */ | |
566 | retval = set_altsetting (dev, alt); | |
567 | if (retval) { | |
28ffd79c | 568 | dev_err(&iface->dev, "can't set_interface = %d, %d\n", |
1da177e4 LT |
569 | alt, retval); |
570 | return retval; | |
571 | } | |
572 | ||
573 | /* [9.4.4] get_interface always works */ | |
574 | retval = get_altsetting (dev); | |
575 | if (retval != alt) { | |
28ffd79c | 576 | dev_err(&iface->dev, "get alt should be %d, was %d\n", |
1da177e4 LT |
577 | alt, retval); |
578 | return (retval < 0) ? retval : -EDOM; | |
579 | } | |
580 | ||
581 | } | |
582 | ||
583 | /* [real world] get_config unimplemented if there's only one */ | |
584 | if (!realworld || udev->descriptor.bNumConfigurations != 1) { | |
585 | int expected = udev->actconfig->desc.bConfigurationValue; | |
586 | ||
587 | /* [9.4.2] get_configuration always works | |
588 | * ... although some cheap devices (like one TI Hub I've got) | |
589 | * won't return config descriptors except before set_config. | |
590 | */ | |
591 | retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), | |
592 | USB_REQ_GET_CONFIGURATION, | |
593 | USB_DIR_IN | USB_RECIP_DEVICE, | |
594 | 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); | |
595 | if (retval != 1 || dev->buf [0] != expected) { | |
28ffd79c | 596 | dev_err(&iface->dev, "get config --> %d %d (1 %d)\n", |
ff7c79e4 | 597 | retval, dev->buf[0], expected); |
1da177e4 LT |
598 | return (retval < 0) ? retval : -EDOM; |
599 | } | |
600 | } | |
601 | ||
602 | /* there's always [9.4.3] a device descriptor [9.6.1] */ | |
603 | retval = usb_get_descriptor (udev, USB_DT_DEVICE, 0, | |
604 | dev->buf, sizeof udev->descriptor); | |
605 | if (retval != sizeof udev->descriptor) { | |
28ffd79c | 606 | dev_err(&iface->dev, "dev descriptor --> %d\n", retval); |
1da177e4 LT |
607 | return (retval < 0) ? retval : -EDOM; |
608 | } | |
609 | ||
610 | /* there's always [9.4.3] at least one config descriptor [9.6.3] */ | |
611 | for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { | |
612 | retval = usb_get_descriptor (udev, USB_DT_CONFIG, i, | |
613 | dev->buf, TBUF_SIZE); | |
28ffd79c DB |
614 | if (!is_good_config(dev, retval)) { |
615 | dev_err(&iface->dev, | |
1da177e4 LT |
616 | "config [%d] descriptor --> %d\n", |
617 | i, retval); | |
618 | return (retval < 0) ? retval : -EDOM; | |
619 | } | |
620 | ||
621 | // FIXME cross-checking udev->config[i] to make sure usbcore | |
622 | // parsed it right (etc) would be good testing paranoia | |
623 | } | |
624 | ||
625 | /* and sometimes [9.2.6.6] speed dependent descriptors */ | |
626 | if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { | |
627 | struct usb_qualifier_descriptor *d = NULL; | |
628 | ||
629 | /* device qualifier [9.6.2] */ | |
630 | retval = usb_get_descriptor (udev, | |
631 | USB_DT_DEVICE_QUALIFIER, 0, dev->buf, | |
632 | sizeof (struct usb_qualifier_descriptor)); | |
633 | if (retval == -EPIPE) { | |
634 | if (udev->speed == USB_SPEED_HIGH) { | |
28ffd79c | 635 | dev_err(&iface->dev, |
1da177e4 LT |
636 | "hs dev qualifier --> %d\n", |
637 | retval); | |
638 | return (retval < 0) ? retval : -EDOM; | |
639 | } | |
640 | /* usb2.0 but not high-speed capable; fine */ | |
641 | } else if (retval != sizeof (struct usb_qualifier_descriptor)) { | |
28ffd79c | 642 | dev_err(&iface->dev, "dev qualifier --> %d\n", retval); |
1da177e4 LT |
643 | return (retval < 0) ? retval : -EDOM; |
644 | } else | |
645 | d = (struct usb_qualifier_descriptor *) dev->buf; | |
646 | ||
647 | /* might not have [9.6.2] any other-speed configs [9.6.4] */ | |
648 | if (d) { | |
649 | unsigned max = d->bNumConfigurations; | |
650 | for (i = 0; i < max; i++) { | |
651 | retval = usb_get_descriptor (udev, | |
652 | USB_DT_OTHER_SPEED_CONFIG, i, | |
653 | dev->buf, TBUF_SIZE); | |
28ffd79c DB |
654 | if (!is_good_config(dev, retval)) { |
655 | dev_err(&iface->dev, | |
1da177e4 LT |
656 | "other speed config --> %d\n", |
657 | retval); | |
658 | return (retval < 0) ? retval : -EDOM; | |
659 | } | |
660 | } | |
661 | } | |
662 | } | |
663 | // FIXME fetch strings from at least the device descriptor | |
664 | ||
665 | /* [9.4.5] get_status always works */ | |
666 | retval = usb_get_status (udev, USB_RECIP_DEVICE, 0, dev->buf); | |
667 | if (retval != 2) { | |
28ffd79c | 668 | dev_err(&iface->dev, "get dev status --> %d\n", retval); |
1da177e4 LT |
669 | return (retval < 0) ? retval : -EDOM; |
670 | } | |
671 | ||
672 | // FIXME configuration.bmAttributes says if we could try to set/clear | |
673 | // the device's remote wakeup feature ... if we can, test that here | |
674 | ||
675 | retval = usb_get_status (udev, USB_RECIP_INTERFACE, | |
676 | iface->altsetting [0].desc.bInterfaceNumber, dev->buf); | |
677 | if (retval != 2) { | |
28ffd79c | 678 | dev_err(&iface->dev, "get interface status --> %d\n", retval); |
1da177e4 LT |
679 | return (retval < 0) ? retval : -EDOM; |
680 | } | |
681 | // FIXME get status for each endpoint in the interface | |
28ffd79c | 682 | |
1da177e4 LT |
683 | return 0; |
684 | } | |
685 | ||
686 | /*-------------------------------------------------------------------------*/ | |
687 | ||
688 | /* use ch9 requests to test whether: | |
689 | * (a) queues work for control, keeping N subtests queued and | |
690 | * active (auto-resubmit) for M loops through the queue. | |
691 | * (b) protocol stalls (control-only) will autorecover. | |
692 | * it's not like bulk/intr; no halt clearing. | |
693 | * (c) short control reads are reported and handled. | |
694 | * (d) queues are always processed in-order | |
695 | */ | |
696 | ||
697 | struct ctrl_ctx { | |
698 | spinlock_t lock; | |
699 | struct usbtest_dev *dev; | |
700 | struct completion complete; | |
701 | unsigned count; | |
702 | unsigned pending; | |
703 | int status; | |
704 | struct urb **urb; | |
705 | struct usbtest_param *param; | |
706 | int last; | |
707 | }; | |
708 | ||
709 | #define NUM_SUBCASES 15 /* how many test subcases here? */ | |
710 | ||
711 | struct subcase { | |
712 | struct usb_ctrlrequest setup; | |
713 | int number; | |
714 | int expected; | |
715 | }; | |
716 | ||
7d12e780 | 717 | static void ctrl_complete (struct urb *urb) |
1da177e4 LT |
718 | { |
719 | struct ctrl_ctx *ctx = urb->context; | |
720 | struct usb_ctrlrequest *reqp; | |
721 | struct subcase *subcase; | |
722 | int status = urb->status; | |
723 | ||
724 | reqp = (struct usb_ctrlrequest *)urb->setup_packet; | |
725 | subcase = container_of (reqp, struct subcase, setup); | |
726 | ||
727 | spin_lock (&ctx->lock); | |
728 | ctx->count--; | |
729 | ctx->pending--; | |
730 | ||
731 | /* queue must transfer and complete in fifo order, unless | |
732 | * usb_unlink_urb() is used to unlink something not at the | |
733 | * physical queue head (not tested). | |
734 | */ | |
735 | if (subcase->number > 0) { | |
736 | if ((subcase->number - ctx->last) != 1) { | |
28ffd79c DB |
737 | ERROR(ctx->dev, |
738 | "subcase %d completed out of order, last %d\n", | |
739 | subcase->number, ctx->last); | |
1da177e4 LT |
740 | status = -EDOM; |
741 | ctx->last = subcase->number; | |
742 | goto error; | |
743 | } | |
744 | } | |
745 | ctx->last = subcase->number; | |
746 | ||
747 | /* succeed or fault in only one way? */ | |
748 | if (status == subcase->expected) | |
749 | status = 0; | |
750 | ||
751 | /* async unlink for cleanup? */ | |
752 | else if (status != -ECONNRESET) { | |
753 | ||
754 | /* some faults are allowed, not required */ | |
755 | if (subcase->expected > 0 && ( | |
59d99785 GKH |
756 | ((status == -subcase->expected /* happened */ |
757 | || status == 0)))) /* didn't */ | |
1da177e4 LT |
758 | status = 0; |
759 | /* sometimes more than one fault is allowed */ | |
760 | else if (subcase->number == 12 && status == -EPIPE) | |
761 | status = 0; | |
762 | else | |
28ffd79c | 763 | ERROR(ctx->dev, "subtest %d error, status %d\n", |
1da177e4 LT |
764 | subcase->number, status); |
765 | } | |
766 | ||
767 | /* unexpected status codes mean errors; ideally, in hardware */ | |
768 | if (status) { | |
769 | error: | |
770 | if (ctx->status == 0) { | |
771 | int i; | |
772 | ||
773 | ctx->status = status; | |
28ffd79c DB |
774 | ERROR(ctx->dev, "control queue %02x.%02x, err %d, " |
775 | "%d left, subcase %d, len %d/%d\n", | |
1da177e4 | 776 | reqp->bRequestType, reqp->bRequest, |
28ffd79c DB |
777 | status, ctx->count, subcase->number, |
778 | urb->actual_length, | |
779 | urb->transfer_buffer_length); | |
1da177e4 LT |
780 | |
781 | /* FIXME this "unlink everything" exit route should | |
782 | * be a separate test case. | |
783 | */ | |
784 | ||
785 | /* unlink whatever's still pending */ | |
786 | for (i = 1; i < ctx->param->sglen; i++) { | |
787 | struct urb *u = ctx->urb [ | |
28ffd79c DB |
788 | (i + subcase->number) |
789 | % ctx->param->sglen]; | |
1da177e4 LT |
790 | |
791 | if (u == urb || !u->dev) | |
792 | continue; | |
caa2a122 | 793 | spin_unlock(&ctx->lock); |
1da177e4 | 794 | status = usb_unlink_urb (u); |
caa2a122 | 795 | spin_lock(&ctx->lock); |
1da177e4 LT |
796 | switch (status) { |
797 | case -EINPROGRESS: | |
798 | case -EBUSY: | |
799 | case -EIDRM: | |
800 | continue; | |
801 | default: | |
28ffd79c DB |
802 | ERROR(ctx->dev, "urb unlink --> %d\n", |
803 | status); | |
1da177e4 LT |
804 | } |
805 | } | |
806 | status = ctx->status; | |
807 | } | |
808 | } | |
809 | ||
810 | /* resubmit if we need to, else mark this as done */ | |
811 | if ((status == 0) && (ctx->pending < ctx->count)) { | |
54e6ecb2 | 812 | if ((status = usb_submit_urb (urb, GFP_ATOMIC)) != 0) { |
28ffd79c DB |
813 | ERROR(ctx->dev, |
814 | "can't resubmit ctrl %02x.%02x, err %d\n", | |
1da177e4 LT |
815 | reqp->bRequestType, reqp->bRequest, status); |
816 | urb->dev = NULL; | |
817 | } else | |
818 | ctx->pending++; | |
819 | } else | |
820 | urb->dev = NULL; | |
28ffd79c | 821 | |
1da177e4 LT |
822 | /* signal completion when nothing's queued */ |
823 | if (ctx->pending == 0) | |
824 | complete (&ctx->complete); | |
825 | spin_unlock (&ctx->lock); | |
826 | } | |
827 | ||
828 | static int | |
829 | test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) | |
830 | { | |
831 | struct usb_device *udev = testdev_to_usbdev (dev); | |
832 | struct urb **urb; | |
833 | struct ctrl_ctx context; | |
834 | int i; | |
835 | ||
836 | spin_lock_init (&context.lock); | |
837 | context.dev = dev; | |
838 | init_completion (&context.complete); | |
839 | context.count = param->sglen * param->iterations; | |
840 | context.pending = 0; | |
841 | context.status = -ENOMEM; | |
842 | context.param = param; | |
843 | context.last = -1; | |
844 | ||
845 | /* allocate and init the urbs we'll queue. | |
846 | * as with bulk/intr sglists, sglen is the queue depth; it also | |
847 | * controls which subtests run (more tests than sglen) or rerun. | |
848 | */ | |
e94b1766 | 849 | urb = kcalloc(param->sglen, sizeof(struct urb *), GFP_KERNEL); |
1da177e4 LT |
850 | if (!urb) |
851 | return -ENOMEM; | |
1da177e4 LT |
852 | for (i = 0; i < param->sglen; i++) { |
853 | int pipe = usb_rcvctrlpipe (udev, 0); | |
854 | unsigned len; | |
855 | struct urb *u; | |
856 | struct usb_ctrlrequest req; | |
857 | struct subcase *reqp; | |
6def7553 MS |
858 | |
859 | /* sign of this variable means: | |
860 | * -: tested code must return this (negative) error code | |
861 | * +: tested code may return this (negative too) error code | |
862 | */ | |
1da177e4 LT |
863 | int expected = 0; |
864 | ||
865 | /* requests here are mostly expected to succeed on any | |
866 | * device, but some are chosen to trigger protocol stalls | |
867 | * or short reads. | |
868 | */ | |
869 | memset (&req, 0, sizeof req); | |
870 | req.bRequest = USB_REQ_GET_DESCRIPTOR; | |
871 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
872 | ||
873 | switch (i % NUM_SUBCASES) { | |
874 | case 0: // get device descriptor | |
875 | req.wValue = cpu_to_le16 (USB_DT_DEVICE << 8); | |
876 | len = sizeof (struct usb_device_descriptor); | |
877 | break; | |
878 | case 1: // get first config descriptor (only) | |
879 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); | |
880 | len = sizeof (struct usb_config_descriptor); | |
881 | break; | |
882 | case 2: // get altsetting (OFTEN STALLS) | |
883 | req.bRequest = USB_REQ_GET_INTERFACE; | |
884 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
885 | // index = 0 means first interface | |
886 | len = 1; | |
887 | expected = EPIPE; | |
888 | break; | |
889 | case 3: // get interface status | |
890 | req.bRequest = USB_REQ_GET_STATUS; | |
891 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
892 | // interface 0 | |
893 | len = 2; | |
894 | break; | |
895 | case 4: // get device status | |
896 | req.bRequest = USB_REQ_GET_STATUS; | |
897 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
898 | len = 2; | |
899 | break; | |
900 | case 5: // get device qualifier (MAY STALL) | |
901 | req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); | |
902 | len = sizeof (struct usb_qualifier_descriptor); | |
903 | if (udev->speed != USB_SPEED_HIGH) | |
904 | expected = EPIPE; | |
905 | break; | |
906 | case 6: // get first config descriptor, plus interface | |
907 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); | |
908 | len = sizeof (struct usb_config_descriptor); | |
909 | len += sizeof (struct usb_interface_descriptor); | |
910 | break; | |
911 | case 7: // get interface descriptor (ALWAYS STALLS) | |
912 | req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); | |
913 | // interface == 0 | |
914 | len = sizeof (struct usb_interface_descriptor); | |
28ffd79c | 915 | expected = -EPIPE; |
1da177e4 LT |
916 | break; |
917 | // NOTE: two consecutive stalls in the queue here. | |
918 | // that tests fault recovery a bit more aggressively. | |
28ffd79c | 919 | case 8: // clear endpoint halt (MAY STALL) |
1da177e4 LT |
920 | req.bRequest = USB_REQ_CLEAR_FEATURE; |
921 | req.bRequestType = USB_RECIP_ENDPOINT; | |
922 | // wValue 0 == ep halt | |
923 | // wIndex 0 == ep0 (shouldn't halt!) | |
924 | len = 0; | |
925 | pipe = usb_sndctrlpipe (udev, 0); | |
926 | expected = EPIPE; | |
927 | break; | |
928 | case 9: // get endpoint status | |
929 | req.bRequest = USB_REQ_GET_STATUS; | |
930 | req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; | |
931 | // endpoint 0 | |
932 | len = 2; | |
933 | break; | |
934 | case 10: // trigger short read (EREMOTEIO) | |
935 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); | |
936 | len = 1024; | |
937 | expected = -EREMOTEIO; | |
938 | break; | |
939 | // NOTE: two consecutive _different_ faults in the queue. | |
940 | case 11: // get endpoint descriptor (ALWAYS STALLS) | |
941 | req.wValue = cpu_to_le16 (USB_DT_ENDPOINT << 8); | |
942 | // endpoint == 0 | |
943 | len = sizeof (struct usb_interface_descriptor); | |
944 | expected = EPIPE; | |
945 | break; | |
946 | // NOTE: sometimes even a third fault in the queue! | |
947 | case 12: // get string 0 descriptor (MAY STALL) | |
948 | req.wValue = cpu_to_le16 (USB_DT_STRING << 8); | |
949 | // string == 0, for language IDs | |
950 | len = sizeof (struct usb_interface_descriptor); | |
951 | // may succeed when > 4 languages | |
952 | expected = EREMOTEIO; // or EPIPE, if no strings | |
953 | break; | |
954 | case 13: // short read, resembling case 10 | |
955 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); | |
956 | // last data packet "should" be DATA1, not DATA0 | |
957 | len = 1024 - udev->descriptor.bMaxPacketSize0; | |
958 | expected = -EREMOTEIO; | |
959 | break; | |
960 | case 14: // short read; try to fill the last packet | |
961 | req.wValue = cpu_to_le16 ((USB_DT_DEVICE << 8) | 0); | |
28ffd79c | 962 | /* device descriptor size == 18 bytes */ |
1da177e4 LT |
963 | len = udev->descriptor.bMaxPacketSize0; |
964 | switch (len) { | |
965 | case 8: len = 24; break; | |
966 | case 16: len = 32; break; | |
967 | } | |
968 | expected = -EREMOTEIO; | |
969 | break; | |
970 | default: | |
28ffd79c | 971 | ERROR(dev, "bogus number of ctrl queue testcases!\n"); |
1da177e4 LT |
972 | context.status = -EINVAL; |
973 | goto cleanup; | |
974 | } | |
975 | req.wLength = cpu_to_le16 (len); | |
976 | urb [i] = u = simple_alloc_urb (udev, pipe, len); | |
977 | if (!u) | |
978 | goto cleanup; | |
979 | ||
0ede76fc | 980 | reqp = kmalloc(sizeof *reqp, GFP_KERNEL); |
1da177e4 LT |
981 | if (!reqp) |
982 | goto cleanup; | |
983 | reqp->setup = req; | |
984 | reqp->number = i % NUM_SUBCASES; | |
985 | reqp->expected = expected; | |
986 | u->setup_packet = (char *) &reqp->setup; | |
987 | ||
988 | u->context = &context; | |
989 | u->complete = ctrl_complete; | |
1da177e4 LT |
990 | } |
991 | ||
992 | /* queue the urbs */ | |
993 | context.urb = urb; | |
994 | spin_lock_irq (&context.lock); | |
995 | for (i = 0; i < param->sglen; i++) { | |
54e6ecb2 | 996 | context.status = usb_submit_urb (urb [i], GFP_ATOMIC); |
1da177e4 | 997 | if (context.status != 0) { |
28ffd79c | 998 | ERROR(dev, "can't submit urb[%d], status %d\n", |
1da177e4 LT |
999 | i, context.status); |
1000 | context.count = context.pending; | |
1001 | break; | |
1002 | } | |
1003 | context.pending++; | |
1004 | } | |
1005 | spin_unlock_irq (&context.lock); | |
1006 | ||
1007 | /* FIXME set timer and time out; provide a disconnect hook */ | |
1008 | ||
1009 | /* wait for the last one to complete */ | |
1010 | if (context.pending > 0) | |
1011 | wait_for_completion (&context.complete); | |
1012 | ||
1013 | cleanup: | |
1014 | for (i = 0; i < param->sglen; i++) { | |
1015 | if (!urb [i]) | |
1016 | continue; | |
1017 | urb [i]->dev = udev; | |
0ede76fc | 1018 | kfree(urb[i]->setup_packet); |
1da177e4 LT |
1019 | simple_free_urb (urb [i]); |
1020 | } | |
1021 | kfree (urb); | |
1022 | return context.status; | |
1023 | } | |
1024 | #undef NUM_SUBCASES | |
1025 | ||
1026 | ||
1027 | /*-------------------------------------------------------------------------*/ | |
1028 | ||
7d12e780 | 1029 | static void unlink1_callback (struct urb *urb) |
1da177e4 LT |
1030 | { |
1031 | int status = urb->status; | |
1032 | ||
1033 | // we "know" -EPIPE (stall) never happens | |
1034 | if (!status) | |
54e6ecb2 | 1035 | status = usb_submit_urb (urb, GFP_ATOMIC); |
1da177e4 LT |
1036 | if (status) { |
1037 | urb->status = status; | |
cdc97792 | 1038 | complete(urb->context); |
1da177e4 LT |
1039 | } |
1040 | } | |
1041 | ||
1042 | static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) | |
1043 | { | |
1044 | struct urb *urb; | |
1045 | struct completion completion; | |
1046 | int retval = 0; | |
1047 | ||
1048 | init_completion (&completion); | |
1049 | urb = simple_alloc_urb (testdev_to_usbdev (dev), pipe, size); | |
1050 | if (!urb) | |
1051 | return -ENOMEM; | |
1da177e4 LT |
1052 | urb->context = &completion; |
1053 | urb->complete = unlink1_callback; | |
1054 | ||
1055 | /* keep the endpoint busy. there are lots of hc/hcd-internal | |
1056 | * states, and testing should get to all of them over time. | |
1057 | * | |
1058 | * FIXME want additional tests for when endpoint is STALLing | |
1059 | * due to errors, or is just NAKing requests. | |
1060 | */ | |
e94b1766 | 1061 | if ((retval = usb_submit_urb (urb, GFP_KERNEL)) != 0) { |
28ffd79c | 1062 | dev_err(&dev->intf->dev, "submit fail %d\n", retval); |
1da177e4 LT |
1063 | return retval; |
1064 | } | |
1065 | ||
1066 | /* unlinking that should always work. variable delay tests more | |
1067 | * hcd states and code paths, even with little other system load. | |
1068 | */ | |
1069 | msleep (jiffies % (2 * INTERRUPT_RATE)); | |
1070 | if (async) { | |
3b6c023f MF |
1071 | while (!completion_done(&completion)) { |
1072 | retval = usb_unlink_urb(urb); | |
1073 | ||
1074 | switch (retval) { | |
1075 | case -EBUSY: | |
1076 | case -EIDRM: | |
1077 | /* we can't unlink urbs while they're completing | |
1078 | * or if they've completed, and we haven't | |
1079 | * resubmitted. "normal" drivers would prevent | |
1080 | * resubmission, but since we're testing unlink | |
1081 | * paths, we can't. | |
1082 | */ | |
1083 | ERROR(dev, "unlink retry\n"); | |
1084 | continue; | |
1085 | case 0: | |
1086 | case -EINPROGRESS: | |
1087 | break; | |
1088 | ||
1089 | default: | |
1090 | dev_err(&dev->intf->dev, | |
1091 | "unlink fail %d\n", retval); | |
1092 | return retval; | |
1093 | } | |
1094 | ||
1095 | break; | |
1da177e4 LT |
1096 | } |
1097 | } else | |
1098 | usb_kill_urb (urb); | |
1da177e4 LT |
1099 | |
1100 | wait_for_completion (&completion); | |
1101 | retval = urb->status; | |
1102 | simple_free_urb (urb); | |
1103 | ||
1104 | if (async) | |
1105 | return (retval == -ECONNRESET) ? 0 : retval - 1000; | |
1106 | else | |
1107 | return (retval == -ENOENT || retval == -EPERM) ? | |
1108 | 0 : retval - 2000; | |
1109 | } | |
1110 | ||
1111 | static int unlink_simple (struct usbtest_dev *dev, int pipe, int len) | |
1112 | { | |
1113 | int retval = 0; | |
1114 | ||
1115 | /* test sync and async paths */ | |
1116 | retval = unlink1 (dev, pipe, len, 1); | |
1117 | if (!retval) | |
1118 | retval = unlink1 (dev, pipe, len, 0); | |
1119 | return retval; | |
1120 | } | |
1121 | ||
1122 | /*-------------------------------------------------------------------------*/ | |
1123 | ||
28ffd79c | 1124 | static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1125 | { |
1126 | int retval; | |
1127 | u16 status; | |
1128 | ||
1129 | /* shouldn't look or act halted */ | |
1130 | retval = usb_get_status (urb->dev, USB_RECIP_ENDPOINT, ep, &status); | |
1131 | if (retval < 0) { | |
28ffd79c DB |
1132 | ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", |
1133 | ep, retval); | |
1da177e4 LT |
1134 | return retval; |
1135 | } | |
1136 | if (status != 0) { | |
28ffd79c | 1137 | ERROR(tdev, "ep %02x bogus status: %04x != 0\n", ep, status); |
1da177e4 LT |
1138 | return -EINVAL; |
1139 | } | |
28ffd79c | 1140 | retval = simple_io(tdev, urb, 1, 0, 0, __func__); |
1da177e4 LT |
1141 | if (retval != 0) |
1142 | return -EINVAL; | |
1143 | return 0; | |
1144 | } | |
1145 | ||
28ffd79c | 1146 | static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1147 | { |
1148 | int retval; | |
1149 | u16 status; | |
1150 | ||
1151 | /* should look and act halted */ | |
1152 | retval = usb_get_status (urb->dev, USB_RECIP_ENDPOINT, ep, &status); | |
1153 | if (retval < 0) { | |
28ffd79c DB |
1154 | ERROR(tdev, "ep %02x couldn't get halt status, %d\n", |
1155 | ep, retval); | |
1da177e4 LT |
1156 | return retval; |
1157 | } | |
6ce4560a | 1158 | le16_to_cpus(&status); |
1da177e4 | 1159 | if (status != 1) { |
28ffd79c | 1160 | ERROR(tdev, "ep %02x bogus status: %04x != 1\n", ep, status); |
1da177e4 LT |
1161 | return -EINVAL; |
1162 | } | |
28ffd79c | 1163 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__); |
1da177e4 LT |
1164 | if (retval != -EPIPE) |
1165 | return -EINVAL; | |
28ffd79c | 1166 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted"); |
1da177e4 LT |
1167 | if (retval != -EPIPE) |
1168 | return -EINVAL; | |
1169 | return 0; | |
1170 | } | |
1171 | ||
28ffd79c | 1172 | static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1173 | { |
1174 | int retval; | |
1175 | ||
1176 | /* shouldn't look or act halted now */ | |
28ffd79c | 1177 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1178 | if (retval < 0) |
1179 | return retval; | |
1180 | ||
1181 | /* set halt (protocol test only), verify it worked */ | |
1182 | retval = usb_control_msg (urb->dev, usb_sndctrlpipe (urb->dev, 0), | |
1183 | USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, | |
1184 | USB_ENDPOINT_HALT, ep, | |
1185 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
1186 | if (retval < 0) { | |
28ffd79c | 1187 | ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval); |
1da177e4 LT |
1188 | return retval; |
1189 | } | |
28ffd79c | 1190 | retval = verify_halted(tdev, ep, urb); |
1da177e4 LT |
1191 | if (retval < 0) |
1192 | return retval; | |
1193 | ||
1194 | /* clear halt (tests API + protocol), verify it worked */ | |
1195 | retval = usb_clear_halt (urb->dev, urb->pipe); | |
1196 | if (retval < 0) { | |
28ffd79c | 1197 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval); |
1da177e4 LT |
1198 | return retval; |
1199 | } | |
28ffd79c | 1200 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1201 | if (retval < 0) |
1202 | return retval; | |
1203 | ||
1204 | /* NOTE: could also verify SET_INTERFACE clear halts ... */ | |
1205 | ||
1206 | return 0; | |
1207 | } | |
1208 | ||
1209 | static int halt_simple (struct usbtest_dev *dev) | |
1210 | { | |
1211 | int ep; | |
1212 | int retval = 0; | |
1213 | struct urb *urb; | |
1214 | ||
1215 | urb = simple_alloc_urb (testdev_to_usbdev (dev), 0, 512); | |
1216 | if (urb == NULL) | |
1217 | return -ENOMEM; | |
1218 | ||
1219 | if (dev->in_pipe) { | |
1220 | ep = usb_pipeendpoint (dev->in_pipe) | USB_DIR_IN; | |
1221 | urb->pipe = dev->in_pipe; | |
28ffd79c | 1222 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1223 | if (retval < 0) |
1224 | goto done; | |
1225 | } | |
1226 | ||
1227 | if (dev->out_pipe) { | |
1228 | ep = usb_pipeendpoint (dev->out_pipe); | |
1229 | urb->pipe = dev->out_pipe; | |
28ffd79c | 1230 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1231 | } |
1232 | done: | |
1233 | simple_free_urb (urb); | |
1234 | return retval; | |
1235 | } | |
1236 | ||
1237 | /*-------------------------------------------------------------------------*/ | |
1238 | ||
1239 | /* Control OUT tests use the vendor control requests from Intel's | |
1240 | * USB 2.0 compliance test device: write a buffer, read it back. | |
1241 | * | |
1242 | * Intel's spec only _requires_ that it work for one packet, which | |
1243 | * is pretty weak. Some HCDs place limits here; most devices will | |
1244 | * need to be able to handle more than one OUT data packet. We'll | |
1245 | * try whatever we're told to try. | |
1246 | */ | |
1247 | static int ctrl_out (struct usbtest_dev *dev, | |
1248 | unsigned count, unsigned length, unsigned vary) | |
1249 | { | |
f54fa84d OF |
1250 | unsigned i, j, len; |
1251 | int retval; | |
1da177e4 LT |
1252 | u8 *buf; |
1253 | char *what = "?"; | |
1254 | struct usb_device *udev; | |
f54fa84d | 1255 | |
ff7c79e4 | 1256 | if (length < 1 || length > 0xffff || vary >= length) |
1da177e4 LT |
1257 | return -EINVAL; |
1258 | ||
e94b1766 | 1259 | buf = kmalloc(length, GFP_KERNEL); |
1da177e4 LT |
1260 | if (!buf) |
1261 | return -ENOMEM; | |
1262 | ||
1263 | udev = testdev_to_usbdev (dev); | |
1264 | len = length; | |
1265 | retval = 0; | |
1266 | ||
1267 | /* NOTE: hardware might well act differently if we pushed it | |
1268 | * with lots back-to-back queued requests. | |
1269 | */ | |
1270 | for (i = 0; i < count; i++) { | |
1271 | /* write patterned data */ | |
1272 | for (j = 0; j < len; j++) | |
1273 | buf [j] = i + j; | |
1274 | retval = usb_control_msg (udev, usb_sndctrlpipe (udev,0), | |
1275 | 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, | |
1276 | 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); | |
1277 | if (retval != len) { | |
1278 | what = "write"; | |
ff7c79e4 | 1279 | if (retval >= 0) { |
28ffd79c | 1280 | ERROR(dev, "ctrl_out, wlen %d (expected %d)\n", |
ff7c79e4 DB |
1281 | retval, len); |
1282 | retval = -EBADMSG; | |
1283 | } | |
1da177e4 LT |
1284 | break; |
1285 | } | |
1286 | ||
1287 | /* read it back -- assuming nothing intervened!! */ | |
1288 | retval = usb_control_msg (udev, usb_rcvctrlpipe (udev,0), | |
1289 | 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, | |
1290 | 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); | |
1291 | if (retval != len) { | |
1292 | what = "read"; | |
ff7c79e4 | 1293 | if (retval >= 0) { |
28ffd79c | 1294 | ERROR(dev, "ctrl_out, rlen %d (expected %d)\n", |
ff7c79e4 DB |
1295 | retval, len); |
1296 | retval = -EBADMSG; | |
1297 | } | |
1da177e4 LT |
1298 | break; |
1299 | } | |
1300 | ||
1301 | /* fail if we can't verify */ | |
1302 | for (j = 0; j < len; j++) { | |
1303 | if (buf [j] != (u8) (i + j)) { | |
28ffd79c | 1304 | ERROR(dev, "ctrl_out, byte %d is %d not %d\n", |
1da177e4 LT |
1305 | j, buf [j], (u8) i + j); |
1306 | retval = -EBADMSG; | |
1307 | break; | |
1308 | } | |
1309 | } | |
1310 | if (retval < 0) { | |
1311 | what = "verify"; | |
1312 | break; | |
1313 | } | |
1314 | ||
1315 | len += vary; | |
ff7c79e4 DB |
1316 | |
1317 | /* [real world] the "zero bytes IN" case isn't really used. | |
dc0d5c1e | 1318 | * hardware can easily trip up in this weird case, since its |
ff7c79e4 DB |
1319 | * status stage is IN, not OUT like other ep0in transfers. |
1320 | */ | |
1da177e4 | 1321 | if (len > length) |
ff7c79e4 | 1322 | len = realworld ? 1 : 0; |
1da177e4 LT |
1323 | } |
1324 | ||
1325 | if (retval < 0) | |
28ffd79c | 1326 | ERROR (dev, "ctrl_out %s failed, code %d, count %d\n", |
1da177e4 LT |
1327 | what, retval, i); |
1328 | ||
1329 | kfree (buf); | |
1330 | return retval; | |
1331 | } | |
1332 | ||
1333 | /*-------------------------------------------------------------------------*/ | |
1334 | ||
1335 | /* ISO tests ... mimics common usage | |
1336 | * - buffer length is split into N packets (mostly maxpacket sized) | |
1337 | * - multi-buffers according to sglen | |
1338 | */ | |
1339 | ||
1340 | struct iso_context { | |
1341 | unsigned count; | |
1342 | unsigned pending; | |
1343 | spinlock_t lock; | |
1344 | struct completion done; | |
9da2150f | 1345 | int submit_error; |
1da177e4 | 1346 | unsigned long errors; |
9da2150f | 1347 | unsigned long packet_count; |
1da177e4 LT |
1348 | struct usbtest_dev *dev; |
1349 | }; | |
1350 | ||
7d12e780 | 1351 | static void iso_callback (struct urb *urb) |
1da177e4 LT |
1352 | { |
1353 | struct iso_context *ctx = urb->context; | |
1354 | ||
1355 | spin_lock(&ctx->lock); | |
1356 | ctx->count--; | |
1357 | ||
9da2150f | 1358 | ctx->packet_count += urb->number_of_packets; |
1da177e4 LT |
1359 | if (urb->error_count > 0) |
1360 | ctx->errors += urb->error_count; | |
9da2150f AS |
1361 | else if (urb->status != 0) |
1362 | ctx->errors += urb->number_of_packets; | |
1da177e4 | 1363 | |
9da2150f AS |
1364 | if (urb->status == 0 && ctx->count > (ctx->pending - 1) |
1365 | && !ctx->submit_error) { | |
1da177e4 LT |
1366 | int status = usb_submit_urb (urb, GFP_ATOMIC); |
1367 | switch (status) { | |
1368 | case 0: | |
1369 | goto done; | |
1370 | default: | |
28ffd79c | 1371 | dev_err(&ctx->dev->intf->dev, |
1da177e4 LT |
1372 | "iso resubmit err %d\n", |
1373 | status); | |
1374 | /* FALLTHROUGH */ | |
1375 | case -ENODEV: /* disconnected */ | |
9da2150f AS |
1376 | case -ESHUTDOWN: /* endpoint disabled */ |
1377 | ctx->submit_error = 1; | |
1da177e4 LT |
1378 | break; |
1379 | } | |
1380 | } | |
1381 | simple_free_urb (urb); | |
1382 | ||
1383 | ctx->pending--; | |
1384 | if (ctx->pending == 0) { | |
1385 | if (ctx->errors) | |
28ffd79c | 1386 | dev_err(&ctx->dev->intf->dev, |
9da2150f AS |
1387 | "iso test, %lu errors out of %lu\n", |
1388 | ctx->errors, ctx->packet_count); | |
1da177e4 LT |
1389 | complete (&ctx->done); |
1390 | } | |
1391 | done: | |
1392 | spin_unlock(&ctx->lock); | |
1393 | } | |
1394 | ||
1395 | static struct urb *iso_alloc_urb ( | |
1396 | struct usb_device *udev, | |
1397 | int pipe, | |
1398 | struct usb_endpoint_descriptor *desc, | |
1399 | long bytes | |
1400 | ) | |
1401 | { | |
1402 | struct urb *urb; | |
1403 | unsigned i, maxp, packets; | |
1404 | ||
1405 | if (bytes < 0 || !desc) | |
1406 | return NULL; | |
1407 | maxp = 0x7ff & le16_to_cpu(desc->wMaxPacketSize); | |
1408 | maxp *= 1 + (0x3 & (le16_to_cpu(desc->wMaxPacketSize) >> 11)); | |
dfa5ec79 | 1409 | packets = DIV_ROUND_UP(bytes, maxp); |
1da177e4 | 1410 | |
e94b1766 | 1411 | urb = usb_alloc_urb (packets, GFP_KERNEL); |
1da177e4 LT |
1412 | if (!urb) |
1413 | return urb; | |
1414 | urb->dev = udev; | |
1415 | urb->pipe = pipe; | |
1416 | ||
1417 | urb->number_of_packets = packets; | |
1418 | urb->transfer_buffer_length = bytes; | |
e94b1766 | 1419 | urb->transfer_buffer = usb_buffer_alloc (udev, bytes, GFP_KERNEL, |
1da177e4 LT |
1420 | &urb->transfer_dma); |
1421 | if (!urb->transfer_buffer) { | |
1422 | usb_free_urb (urb); | |
1423 | return NULL; | |
1424 | } | |
1425 | memset (urb->transfer_buffer, 0, bytes); | |
1426 | for (i = 0; i < packets; i++) { | |
1427 | /* here, only the last packet will be short */ | |
1428 | urb->iso_frame_desc[i].length = min ((unsigned) bytes, maxp); | |
1429 | bytes -= urb->iso_frame_desc[i].length; | |
1430 | ||
1431 | urb->iso_frame_desc[i].offset = maxp * i; | |
1432 | } | |
1433 | ||
1434 | urb->complete = iso_callback; | |
1435 | // urb->context = SET BY CALLER | |
1436 | urb->interval = 1 << (desc->bInterval - 1); | |
1437 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; | |
1438 | return urb; | |
1439 | } | |
1440 | ||
1441 | static int | |
1442 | test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, | |
1443 | int pipe, struct usb_endpoint_descriptor *desc) | |
1444 | { | |
1445 | struct iso_context context; | |
1446 | struct usb_device *udev; | |
1447 | unsigned i; | |
1448 | unsigned long packets = 0; | |
9da2150f | 1449 | int status = 0; |
1da177e4 LT |
1450 | struct urb *urbs[10]; /* FIXME no limit */ |
1451 | ||
1452 | if (param->sglen > 10) | |
1453 | return -EDOM; | |
1454 | ||
9da2150f | 1455 | memset(&context, 0, sizeof context); |
1da177e4 | 1456 | context.count = param->iterations * param->sglen; |
1da177e4 LT |
1457 | context.dev = dev; |
1458 | init_completion (&context.done); | |
1459 | spin_lock_init (&context.lock); | |
1460 | ||
1461 | memset (urbs, 0, sizeof urbs); | |
1462 | udev = testdev_to_usbdev (dev); | |
28ffd79c | 1463 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1464 | "... iso period %d %sframes, wMaxPacket %04x\n", |
1465 | 1 << (desc->bInterval - 1), | |
1466 | (udev->speed == USB_SPEED_HIGH) ? "micro" : "", | |
1467 | le16_to_cpu(desc->wMaxPacketSize)); | |
1468 | ||
1469 | for (i = 0; i < param->sglen; i++) { | |
1470 | urbs [i] = iso_alloc_urb (udev, pipe, desc, | |
1471 | param->length); | |
1472 | if (!urbs [i]) { | |
1473 | status = -ENOMEM; | |
1474 | goto fail; | |
1475 | } | |
1476 | packets += urbs[i]->number_of_packets; | |
1477 | urbs [i]->context = &context; | |
1478 | } | |
1479 | packets *= param->iterations; | |
28ffd79c | 1480 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1481 | "... total %lu msec (%lu packets)\n", |
1482 | (packets * (1 << (desc->bInterval - 1))) | |
1483 | / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), | |
1484 | packets); | |
1485 | ||
1486 | spin_lock_irq (&context.lock); | |
1487 | for (i = 0; i < param->sglen; i++) { | |
9da2150f | 1488 | ++context.pending; |
54e6ecb2 | 1489 | status = usb_submit_urb (urbs [i], GFP_ATOMIC); |
1da177e4 LT |
1490 | if (status < 0) { |
1491 | ERROR (dev, "submit iso[%d], error %d\n", i, status); | |
1492 | if (i == 0) { | |
1493 | spin_unlock_irq (&context.lock); | |
1494 | goto fail; | |
1495 | } | |
1496 | ||
1497 | simple_free_urb (urbs [i]); | |
1498 | context.pending--; | |
9da2150f AS |
1499 | context.submit_error = 1; |
1500 | break; | |
1da177e4 LT |
1501 | } |
1502 | } | |
1503 | spin_unlock_irq (&context.lock); | |
1504 | ||
1505 | wait_for_completion (&context.done); | |
9da2150f AS |
1506 | |
1507 | /* | |
1508 | * Isochronous transfers are expected to fail sometimes. As an | |
1509 | * arbitrary limit, we will report an error if any submissions | |
1510 | * fail or if the transfer failure rate is > 10%. | |
1511 | */ | |
1512 | if (status != 0) | |
1513 | ; | |
1514 | else if (context.submit_error) | |
1515 | status = -EACCES; | |
1516 | else if (context.errors > context.packet_count / 10) | |
1517 | status = -EIO; | |
1518 | return status; | |
1da177e4 LT |
1519 | |
1520 | fail: | |
1521 | for (i = 0; i < param->sglen; i++) { | |
1522 | if (urbs [i]) | |
1523 | simple_free_urb (urbs [i]); | |
1524 | } | |
1525 | return status; | |
1526 | } | |
1527 | ||
1528 | /*-------------------------------------------------------------------------*/ | |
1529 | ||
1530 | /* We only have this one interface to user space, through usbfs. | |
1531 | * User mode code can scan usbfs to find N different devices (maybe on | |
1532 | * different busses) to use when testing, and allocate one thread per | |
1533 | * test. So discovery is simplified, and we have no device naming issues. | |
1534 | * | |
1535 | * Don't use these only as stress/load tests. Use them along with with | |
1536 | * other USB bus activity: plugging, unplugging, mousing, mp3 playback, | |
1537 | * video capture, and so on. Run different tests at different times, in | |
1538 | * different sequences. Nothing here should interact with other devices, | |
1539 | * except indirectly by consuming USB bandwidth and CPU resources for test | |
1540 | * threads and request completion. But the only way to know that for sure | |
1541 | * is to test when HC queues are in use by many devices. | |
28ffd79c DB |
1542 | * |
1543 | * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(), | |
1544 | * it locks out usbcore in certain code paths. Notably, if you disconnect | |
1545 | * the device-under-test, khubd will wait block forever waiting for the | |
1546 | * ioctl to complete ... so that usb_disconnect() can abort the pending | |
1547 | * urbs and then call usbtest_disconnect(). To abort a test, you're best | |
1548 | * off just killing the userspace task and waiting for it to exit. | |
1da177e4 LT |
1549 | */ |
1550 | ||
1551 | static int | |
1552 | usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) | |
1553 | { | |
1554 | struct usbtest_dev *dev = usb_get_intfdata (intf); | |
1555 | struct usb_device *udev = testdev_to_usbdev (dev); | |
1556 | struct usbtest_param *param = buf; | |
1557 | int retval = -EOPNOTSUPP; | |
1558 | struct urb *urb; | |
1559 | struct scatterlist *sg; | |
1560 | struct usb_sg_request req; | |
1561 | struct timeval start; | |
1562 | unsigned i; | |
1563 | ||
1564 | // FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. | |
1565 | ||
7f4e9854 VP |
1566 | pattern = mod_pattern; |
1567 | ||
1da177e4 LT |
1568 | if (code != USBTEST_REQUEST) |
1569 | return -EOPNOTSUPP; | |
1570 | ||
8aafdf6a | 1571 | if (param->iterations <= 0) |
1da177e4 LT |
1572 | return -EINVAL; |
1573 | ||
1cfab028 | 1574 | if (mutex_lock_interruptible(&dev->lock)) |
1da177e4 LT |
1575 | return -ERESTARTSYS; |
1576 | ||
70a1c9e0 | 1577 | /* FIXME: What if a system sleep starts while a test is running? */ |
ff7c79e4 | 1578 | |
1da177e4 LT |
1579 | /* some devices, like ez-usb default devices, need a non-default |
1580 | * altsetting to have any active endpoints. some tests change | |
1581 | * altsettings; force a default so most tests don't need to check. | |
1582 | */ | |
1583 | if (dev->info->alt >= 0) { | |
28ffd79c | 1584 | int res; |
1da177e4 LT |
1585 | |
1586 | if (intf->altsetting->desc.bInterfaceNumber) { | |
1cfab028 | 1587 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1588 | return -ENODEV; |
1589 | } | |
1590 | res = set_altsetting (dev, dev->info->alt); | |
1591 | if (res) { | |
1592 | dev_err (&intf->dev, | |
1593 | "set altsetting to %d failed, %d\n", | |
1594 | dev->info->alt, res); | |
1cfab028 | 1595 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1596 | return res; |
1597 | } | |
1598 | } | |
1599 | ||
1600 | /* | |
1601 | * Just a bunch of test cases that every HCD is expected to handle. | |
1602 | * | |
1603 | * Some may need specific firmware, though it'd be good to have | |
1604 | * one firmware image to handle all the test cases. | |
1605 | * | |
1606 | * FIXME add more tests! cancel requests, verify the data, control | |
1607 | * queueing, concurrent read+write threads, and so on. | |
1608 | */ | |
1609 | do_gettimeofday (&start); | |
1610 | switch (param->test_num) { | |
1611 | ||
1612 | case 0: | |
28ffd79c | 1613 | dev_info(&intf->dev, "TEST 0: NOP\n"); |
1da177e4 LT |
1614 | retval = 0; |
1615 | break; | |
1616 | ||
1617 | /* Simple non-queued bulk I/O tests */ | |
1618 | case 1: | |
1619 | if (dev->out_pipe == 0) | |
1620 | break; | |
28ffd79c | 1621 | dev_info(&intf->dev, |
1da177e4 LT |
1622 | "TEST 1: write %d bytes %u times\n", |
1623 | param->length, param->iterations); | |
1624 | urb = simple_alloc_urb (udev, dev->out_pipe, param->length); | |
1625 | if (!urb) { | |
1626 | retval = -ENOMEM; | |
1627 | break; | |
1628 | } | |
1629 | // FIRMWARE: bulk sink (maybe accepts short writes) | |
28ffd79c | 1630 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test1"); |
1da177e4 LT |
1631 | simple_free_urb (urb); |
1632 | break; | |
1633 | case 2: | |
1634 | if (dev->in_pipe == 0) | |
1635 | break; | |
28ffd79c | 1636 | dev_info(&intf->dev, |
1da177e4 LT |
1637 | "TEST 2: read %d bytes %u times\n", |
1638 | param->length, param->iterations); | |
1639 | urb = simple_alloc_urb (udev, dev->in_pipe, param->length); | |
1640 | if (!urb) { | |
1641 | retval = -ENOMEM; | |
1642 | break; | |
1643 | } | |
1644 | // FIRMWARE: bulk source (maybe generates short writes) | |
28ffd79c | 1645 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test2"); |
1da177e4 LT |
1646 | simple_free_urb (urb); |
1647 | break; | |
1648 | case 3: | |
1649 | if (dev->out_pipe == 0 || param->vary == 0) | |
1650 | break; | |
28ffd79c | 1651 | dev_info(&intf->dev, |
1da177e4 LT |
1652 | "TEST 3: write/%d 0..%d bytes %u times\n", |
1653 | param->vary, param->length, param->iterations); | |
1654 | urb = simple_alloc_urb (udev, dev->out_pipe, param->length); | |
1655 | if (!urb) { | |
1656 | retval = -ENOMEM; | |
1657 | break; | |
1658 | } | |
1659 | // FIRMWARE: bulk sink (maybe accepts short writes) | |
28ffd79c | 1660 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 LT |
1661 | 0, "test3"); |
1662 | simple_free_urb (urb); | |
1663 | break; | |
1664 | case 4: | |
1665 | if (dev->in_pipe == 0 || param->vary == 0) | |
1666 | break; | |
28ffd79c | 1667 | dev_info(&intf->dev, |
1da177e4 LT |
1668 | "TEST 4: read/%d 0..%d bytes %u times\n", |
1669 | param->vary, param->length, param->iterations); | |
1670 | urb = simple_alloc_urb (udev, dev->in_pipe, param->length); | |
1671 | if (!urb) { | |
1672 | retval = -ENOMEM; | |
1673 | break; | |
1674 | } | |
1675 | // FIRMWARE: bulk source (maybe generates short writes) | |
28ffd79c | 1676 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 LT |
1677 | 0, "test4"); |
1678 | simple_free_urb (urb); | |
1679 | break; | |
1680 | ||
1681 | /* Queued bulk I/O tests */ | |
1682 | case 5: | |
1683 | if (dev->out_pipe == 0 || param->sglen == 0) | |
1684 | break; | |
28ffd79c | 1685 | dev_info(&intf->dev, |
1da177e4 LT |
1686 | "TEST 5: write %d sglists %d entries of %d bytes\n", |
1687 | param->iterations, | |
1688 | param->sglen, param->length); | |
1689 | sg = alloc_sglist (param->sglen, param->length, 0); | |
1690 | if (!sg) { | |
1691 | retval = -ENOMEM; | |
1692 | break; | |
1693 | } | |
1694 | // FIRMWARE: bulk sink (maybe accepts short writes) | |
28ffd79c | 1695 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 LT |
1696 | &req, sg, param->sglen); |
1697 | free_sglist (sg, param->sglen); | |
1698 | break; | |
1699 | ||
1700 | case 6: | |
1701 | if (dev->in_pipe == 0 || param->sglen == 0) | |
1702 | break; | |
28ffd79c | 1703 | dev_info(&intf->dev, |
1da177e4 LT |
1704 | "TEST 6: read %d sglists %d entries of %d bytes\n", |
1705 | param->iterations, | |
1706 | param->sglen, param->length); | |
1707 | sg = alloc_sglist (param->sglen, param->length, 0); | |
1708 | if (!sg) { | |
1709 | retval = -ENOMEM; | |
1710 | break; | |
1711 | } | |
1712 | // FIRMWARE: bulk source (maybe generates short writes) | |
28ffd79c | 1713 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 LT |
1714 | &req, sg, param->sglen); |
1715 | free_sglist (sg, param->sglen); | |
1716 | break; | |
1717 | case 7: | |
1718 | if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
1719 | break; | |
28ffd79c | 1720 | dev_info(&intf->dev, |
1da177e4 LT |
1721 | "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", |
1722 | param->vary, param->iterations, | |
1723 | param->sglen, param->length); | |
1724 | sg = alloc_sglist (param->sglen, param->length, param->vary); | |
1725 | if (!sg) { | |
1726 | retval = -ENOMEM; | |
1727 | break; | |
1728 | } | |
1729 | // FIRMWARE: bulk sink (maybe accepts short writes) | |
28ffd79c | 1730 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 LT |
1731 | &req, sg, param->sglen); |
1732 | free_sglist (sg, param->sglen); | |
1733 | break; | |
1734 | case 8: | |
1735 | if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
1736 | break; | |
28ffd79c | 1737 | dev_info(&intf->dev, |
1da177e4 LT |
1738 | "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", |
1739 | param->vary, param->iterations, | |
1740 | param->sglen, param->length); | |
1741 | sg = alloc_sglist (param->sglen, param->length, param->vary); | |
1742 | if (!sg) { | |
1743 | retval = -ENOMEM; | |
1744 | break; | |
1745 | } | |
1746 | // FIRMWARE: bulk source (maybe generates short writes) | |
28ffd79c | 1747 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 LT |
1748 | &req, sg, param->sglen); |
1749 | free_sglist (sg, param->sglen); | |
1750 | break; | |
1751 | ||
1752 | /* non-queued sanity tests for control (chapter 9 subset) */ | |
1753 | case 9: | |
1754 | retval = 0; | |
28ffd79c | 1755 | dev_info(&intf->dev, |
1da177e4 LT |
1756 | "TEST 9: ch9 (subset) control tests, %d times\n", |
1757 | param->iterations); | |
1758 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
1759 | retval = ch9_postconfig (dev); | |
1760 | if (retval) | |
28ffd79c DB |
1761 | dev_err(&intf->dev, "ch9 subset failed, " |
1762 | "iterations left %d\n", i); | |
1da177e4 LT |
1763 | break; |
1764 | ||
1765 | /* queued control messaging */ | |
1766 | case 10: | |
1767 | if (param->sglen == 0) | |
1768 | break; | |
1769 | retval = 0; | |
28ffd79c | 1770 | dev_info(&intf->dev, |
1da177e4 LT |
1771 | "TEST 10: queue %d control calls, %d times\n", |
1772 | param->sglen, | |
1773 | param->iterations); | |
1774 | retval = test_ctrl_queue (dev, param); | |
1775 | break; | |
1776 | ||
1777 | /* simple non-queued unlinks (ring with one urb) */ | |
1778 | case 11: | |
1779 | if (dev->in_pipe == 0 || !param->length) | |
1780 | break; | |
1781 | retval = 0; | |
28ffd79c | 1782 | dev_info(&intf->dev, "TEST 11: unlink %d reads of %d\n", |
1da177e4 LT |
1783 | param->iterations, param->length); |
1784 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
1785 | retval = unlink_simple (dev, dev->in_pipe, | |
1786 | param->length); | |
1787 | if (retval) | |
28ffd79c | 1788 | dev_err(&intf->dev, "unlink reads failed %d, " |
1da177e4 LT |
1789 | "iterations left %d\n", retval, i); |
1790 | break; | |
1791 | case 12: | |
1792 | if (dev->out_pipe == 0 || !param->length) | |
1793 | break; | |
1794 | retval = 0; | |
28ffd79c | 1795 | dev_info(&intf->dev, "TEST 12: unlink %d writes of %d\n", |
1da177e4 LT |
1796 | param->iterations, param->length); |
1797 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
1798 | retval = unlink_simple (dev, dev->out_pipe, | |
1799 | param->length); | |
1800 | if (retval) | |
28ffd79c | 1801 | dev_err(&intf->dev, "unlink writes failed %d, " |
1da177e4 LT |
1802 | "iterations left %d\n", retval, i); |
1803 | break; | |
1804 | ||
1805 | /* ep halt tests */ | |
1806 | case 13: | |
1807 | if (dev->out_pipe == 0 && dev->in_pipe == 0) | |
1808 | break; | |
1809 | retval = 0; | |
28ffd79c | 1810 | dev_info(&intf->dev, "TEST 13: set/clear %d halts\n", |
1da177e4 LT |
1811 | param->iterations); |
1812 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
1813 | retval = halt_simple (dev); | |
28ffd79c | 1814 | |
1da177e4 | 1815 | if (retval) |
28ffd79c | 1816 | ERROR(dev, "halts failed, iterations left %d\n", i); |
1da177e4 LT |
1817 | break; |
1818 | ||
1819 | /* control write tests */ | |
1820 | case 14: | |
1821 | if (!dev->info->ctrl_out) | |
1822 | break; | |
28ffd79c | 1823 | dev_info(&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", |
ff7c79e4 DB |
1824 | param->iterations, |
1825 | realworld ? 1 : 0, param->length, | |
1826 | param->vary); | |
28ffd79c | 1827 | retval = ctrl_out(dev, param->iterations, |
1da177e4 LT |
1828 | param->length, param->vary); |
1829 | break; | |
1830 | ||
1831 | /* iso write tests */ | |
1832 | case 15: | |
1833 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
1834 | break; | |
28ffd79c | 1835 | dev_info(&intf->dev, |
1da177e4 LT |
1836 | "TEST 15: write %d iso, %d entries of %d bytes\n", |
1837 | param->iterations, | |
1838 | param->sglen, param->length); | |
1839 | // FIRMWARE: iso sink | |
1840 | retval = test_iso_queue (dev, param, | |
1841 | dev->out_iso_pipe, dev->iso_out); | |
1842 | break; | |
1843 | ||
1844 | /* iso read tests */ | |
1845 | case 16: | |
1846 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
1847 | break; | |
28ffd79c | 1848 | dev_info(&intf->dev, |
1da177e4 LT |
1849 | "TEST 16: read %d iso, %d entries of %d bytes\n", |
1850 | param->iterations, | |
1851 | param->sglen, param->length); | |
1852 | // FIRMWARE: iso source | |
1853 | retval = test_iso_queue (dev, param, | |
1854 | dev->in_iso_pipe, dev->iso_in); | |
1855 | break; | |
1856 | ||
1857 | // FIXME unlink from queue (ring with N urbs) | |
1858 | ||
1859 | // FIXME scatterlist cancel (needs helper thread) | |
1860 | ||
1861 | } | |
1862 | do_gettimeofday (¶m->duration); | |
1863 | param->duration.tv_sec -= start.tv_sec; | |
1864 | param->duration.tv_usec -= start.tv_usec; | |
1865 | if (param->duration.tv_usec < 0) { | |
1866 | param->duration.tv_usec += 1000 * 1000; | |
1867 | param->duration.tv_sec -= 1; | |
1868 | } | |
1cfab028 | 1869 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1870 | return retval; |
1871 | } | |
1872 | ||
1873 | /*-------------------------------------------------------------------------*/ | |
1874 | ||
1875 | static unsigned force_interrupt = 0; | |
1876 | module_param (force_interrupt, uint, 0); | |
1877 | MODULE_PARM_DESC (force_interrupt, "0 = test default; else interrupt"); | |
1878 | ||
1879 | #ifdef GENERIC | |
1880 | static unsigned short vendor; | |
1881 | module_param(vendor, ushort, 0); | |
1882 | MODULE_PARM_DESC (vendor, "vendor code (from usb-if)"); | |
1883 | ||
1884 | static unsigned short product; | |
1885 | module_param(product, ushort, 0); | |
1886 | MODULE_PARM_DESC (product, "product code (from vendor)"); | |
1887 | #endif | |
1888 | ||
1889 | static int | |
1890 | usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) | |
1891 | { | |
1892 | struct usb_device *udev; | |
1893 | struct usbtest_dev *dev; | |
1894 | struct usbtest_info *info; | |
1895 | char *rtest, *wtest; | |
1896 | char *irtest, *iwtest; | |
1897 | ||
1898 | udev = interface_to_usbdev (intf); | |
1899 | ||
1900 | #ifdef GENERIC | |
1901 | /* specify devices by module parameters? */ | |
1902 | if (id->match_flags == 0) { | |
1903 | /* vendor match required, product match optional */ | |
1904 | if (!vendor || le16_to_cpu(udev->descriptor.idVendor) != (u16)vendor) | |
1905 | return -ENODEV; | |
1906 | if (product && le16_to_cpu(udev->descriptor.idProduct) != (u16)product) | |
1907 | return -ENODEV; | |
28ffd79c DB |
1908 | dev_info(&intf->dev, "matched module params, " |
1909 | "vend=0x%04x prod=0x%04x\n", | |
1da177e4 LT |
1910 | le16_to_cpu(udev->descriptor.idVendor), |
1911 | le16_to_cpu(udev->descriptor.idProduct)); | |
1912 | } | |
1913 | #endif | |
1914 | ||
e94b1766 | 1915 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
1da177e4 LT |
1916 | if (!dev) |
1917 | return -ENOMEM; | |
1da177e4 LT |
1918 | info = (struct usbtest_info *) id->driver_info; |
1919 | dev->info = info; | |
1cfab028 | 1920 | mutex_init(&dev->lock); |
1da177e4 LT |
1921 | |
1922 | dev->intf = intf; | |
1923 | ||
1924 | /* cacheline-aligned scratch for i/o */ | |
e94b1766 | 1925 | if ((dev->buf = kmalloc (TBUF_SIZE, GFP_KERNEL)) == NULL) { |
1da177e4 LT |
1926 | kfree (dev); |
1927 | return -ENOMEM; | |
1928 | } | |
1929 | ||
1930 | /* NOTE this doesn't yet test the handful of difference that are | |
1931 | * visible with high speed interrupts: bigger maxpacket (1K) and | |
1932 | * "high bandwidth" modes (up to 3 packets/uframe). | |
1933 | */ | |
1934 | rtest = wtest = ""; | |
1935 | irtest = iwtest = ""; | |
1936 | if (force_interrupt || udev->speed == USB_SPEED_LOW) { | |
1937 | if (info->ep_in) { | |
1938 | dev->in_pipe = usb_rcvintpipe (udev, info->ep_in); | |
1939 | rtest = " intr-in"; | |
1940 | } | |
1941 | if (info->ep_out) { | |
1942 | dev->out_pipe = usb_sndintpipe (udev, info->ep_out); | |
1943 | wtest = " intr-out"; | |
1944 | } | |
1945 | } else { | |
1946 | if (info->autoconf) { | |
1947 | int status; | |
1948 | ||
1949 | status = get_endpoints (dev, intf); | |
1950 | if (status < 0) { | |
b6c63937 | 1951 | WARNING(dev, "couldn't get endpoints, %d\n", |
28ffd79c | 1952 | status); |
1da177e4 LT |
1953 | return status; |
1954 | } | |
1955 | /* may find bulk or ISO pipes */ | |
1956 | } else { | |
1957 | if (info->ep_in) | |
1958 | dev->in_pipe = usb_rcvbulkpipe (udev, | |
1959 | info->ep_in); | |
1960 | if (info->ep_out) | |
1961 | dev->out_pipe = usb_sndbulkpipe (udev, | |
1962 | info->ep_out); | |
1963 | } | |
1964 | if (dev->in_pipe) | |
1965 | rtest = " bulk-in"; | |
1966 | if (dev->out_pipe) | |
1967 | wtest = " bulk-out"; | |
1968 | if (dev->in_iso_pipe) | |
1969 | irtest = " iso-in"; | |
1970 | if (dev->out_iso_pipe) | |
1971 | iwtest = " iso-out"; | |
1972 | } | |
1973 | ||
1974 | usb_set_intfdata (intf, dev); | |
1975 | dev_info (&intf->dev, "%s\n", info->name); | |
1976 | dev_info (&intf->dev, "%s speed {control%s%s%s%s%s} tests%s\n", | |
1977 | ({ char *tmp; | |
1978 | switch (udev->speed) { | |
1979 | case USB_SPEED_LOW: tmp = "low"; break; | |
1980 | case USB_SPEED_FULL: tmp = "full"; break; | |
1981 | case USB_SPEED_HIGH: tmp = "high"; break; | |
1982 | default: tmp = "unknown"; break; | |
1983 | }; tmp; }), | |
1984 | info->ctrl_out ? " in/out" : "", | |
1985 | rtest, wtest, | |
1986 | irtest, iwtest, | |
1987 | info->alt >= 0 ? " (+alt)" : ""); | |
1988 | return 0; | |
1989 | } | |
1990 | ||
ff7c79e4 DB |
1991 | static int usbtest_suspend (struct usb_interface *intf, pm_message_t message) |
1992 | { | |
ff7c79e4 DB |
1993 | return 0; |
1994 | } | |
1995 | ||
1996 | static int usbtest_resume (struct usb_interface *intf) | |
1997 | { | |
ff7c79e4 DB |
1998 | return 0; |
1999 | } | |
2000 | ||
2001 | ||
1da177e4 LT |
2002 | static void usbtest_disconnect (struct usb_interface *intf) |
2003 | { | |
2004 | struct usbtest_dev *dev = usb_get_intfdata (intf); | |
2005 | ||
1da177e4 LT |
2006 | usb_set_intfdata (intf, NULL); |
2007 | dev_dbg (&intf->dev, "disconnect\n"); | |
2008 | kfree (dev); | |
2009 | } | |
2010 | ||
2011 | /* Basic testing only needs a device that can source or sink bulk traffic. | |
2012 | * Any device can test control transfers (default with GENERIC binding). | |
2013 | * | |
2014 | * Several entries work with the default EP0 implementation that's built | |
2015 | * into EZ-USB chips. There's a default vendor ID which can be overridden | |
2016 | * by (very) small config EEPROMS, but otherwise all these devices act | |
2017 | * identically until firmware is loaded: only EP0 works. It turns out | |
2018 | * to be easy to make other endpoints work, without modifying that EP0 | |
2019 | * behavior. For now, we expect that kind of firmware. | |
2020 | */ | |
2021 | ||
2022 | /* an21xx or fx versions of ez-usb */ | |
2023 | static struct usbtest_info ez1_info = { | |
2024 | .name = "EZ-USB device", | |
2025 | .ep_in = 2, | |
2026 | .ep_out = 2, | |
2027 | .alt = 1, | |
2028 | }; | |
2029 | ||
2030 | /* fx2 version of ez-usb */ | |
2031 | static struct usbtest_info ez2_info = { | |
2032 | .name = "FX2 device", | |
2033 | .ep_in = 6, | |
2034 | .ep_out = 2, | |
2035 | .alt = 1, | |
2036 | }; | |
2037 | ||
2038 | /* ezusb family device with dedicated usb test firmware, | |
2039 | */ | |
2040 | static struct usbtest_info fw_info = { | |
2041 | .name = "usb test device", | |
2042 | .ep_in = 2, | |
2043 | .ep_out = 2, | |
2044 | .alt = 1, | |
2045 | .autoconf = 1, // iso and ctrl_out need autoconf | |
2046 | .ctrl_out = 1, | |
2047 | .iso = 1, // iso_ep's are #8 in/out | |
2048 | }; | |
2049 | ||
2050 | /* peripheral running Linux and 'zero.c' test firmware, or | |
2051 | * its user-mode cousin. different versions of this use | |
2052 | * different hardware with the same vendor/product codes. | |
2053 | * host side MUST rely on the endpoint descriptors. | |
2054 | */ | |
2055 | static struct usbtest_info gz_info = { | |
2056 | .name = "Linux gadget zero", | |
2057 | .autoconf = 1, | |
2058 | .ctrl_out = 1, | |
2059 | .alt = 0, | |
2060 | }; | |
2061 | ||
2062 | static struct usbtest_info um_info = { | |
2063 | .name = "Linux user mode test driver", | |
2064 | .autoconf = 1, | |
2065 | .alt = -1, | |
2066 | }; | |
2067 | ||
2068 | static struct usbtest_info um2_info = { | |
2069 | .name = "Linux user mode ISO test driver", | |
2070 | .autoconf = 1, | |
2071 | .iso = 1, | |
2072 | .alt = -1, | |
2073 | }; | |
2074 | ||
2075 | #ifdef IBOT2 | |
2076 | /* this is a nice source of high speed bulk data; | |
2077 | * uses an FX2, with firmware provided in the device | |
2078 | */ | |
2079 | static struct usbtest_info ibot2_info = { | |
2080 | .name = "iBOT2 webcam", | |
2081 | .ep_in = 2, | |
2082 | .alt = -1, | |
2083 | }; | |
2084 | #endif | |
2085 | ||
2086 | #ifdef GENERIC | |
2087 | /* we can use any device to test control traffic */ | |
2088 | static struct usbtest_info generic_info = { | |
2089 | .name = "Generic USB device", | |
2090 | .alt = -1, | |
2091 | }; | |
2092 | #endif | |
2093 | ||
1da177e4 | 2094 | |
33b9e162 | 2095 | static const struct usb_device_id id_table[] = { |
1da177e4 | 2096 | |
1da177e4 LT |
2097 | /*-------------------------------------------------------------*/ |
2098 | ||
2099 | /* EZ-USB devices which download firmware to replace (or in our | |
2100 | * case augment) the default device implementation. | |
2101 | */ | |
2102 | ||
2103 | /* generic EZ-USB FX controller */ | |
2104 | { USB_DEVICE (0x0547, 0x2235), | |
2105 | .driver_info = (unsigned long) &ez1_info, | |
2106 | }, | |
2107 | ||
2108 | /* CY3671 development board with EZ-USB FX */ | |
2109 | { USB_DEVICE (0x0547, 0x0080), | |
2110 | .driver_info = (unsigned long) &ez1_info, | |
2111 | }, | |
2112 | ||
2113 | /* generic EZ-USB FX2 controller (or development board) */ | |
2114 | { USB_DEVICE (0x04b4, 0x8613), | |
2115 | .driver_info = (unsigned long) &ez2_info, | |
2116 | }, | |
2117 | ||
2118 | /* re-enumerated usb test device firmware */ | |
2119 | { USB_DEVICE (0xfff0, 0xfff0), | |
2120 | .driver_info = (unsigned long) &fw_info, | |
2121 | }, | |
2122 | ||
2123 | /* "Gadget Zero" firmware runs under Linux */ | |
2124 | { USB_DEVICE (0x0525, 0xa4a0), | |
2125 | .driver_info = (unsigned long) &gz_info, | |
2126 | }, | |
2127 | ||
2128 | /* so does a user-mode variant */ | |
2129 | { USB_DEVICE (0x0525, 0xa4a4), | |
2130 | .driver_info = (unsigned long) &um_info, | |
2131 | }, | |
2132 | ||
2133 | /* ... and a user-mode variant that talks iso */ | |
2134 | { USB_DEVICE (0x0525, 0xa4a3), | |
2135 | .driver_info = (unsigned long) &um2_info, | |
2136 | }, | |
2137 | ||
2138 | #ifdef KEYSPAN_19Qi | |
2139 | /* Keyspan 19qi uses an21xx (original EZ-USB) */ | |
2140 | // this does not coexist with the real Keyspan 19qi driver! | |
2141 | { USB_DEVICE (0x06cd, 0x010b), | |
2142 | .driver_info = (unsigned long) &ez1_info, | |
2143 | }, | |
2144 | #endif | |
2145 | ||
2146 | /*-------------------------------------------------------------*/ | |
2147 | ||
2148 | #ifdef IBOT2 | |
2149 | /* iBOT2 makes a nice source of high speed bulk-in data */ | |
2150 | // this does not coexist with a real iBOT2 driver! | |
2151 | { USB_DEVICE (0x0b62, 0x0059), | |
2152 | .driver_info = (unsigned long) &ibot2_info, | |
2153 | }, | |
2154 | #endif | |
2155 | ||
2156 | /*-------------------------------------------------------------*/ | |
2157 | ||
2158 | #ifdef GENERIC | |
2159 | /* module params can specify devices to use for control tests */ | |
2160 | { .driver_info = (unsigned long) &generic_info, }, | |
2161 | #endif | |
2162 | ||
2163 | /*-------------------------------------------------------------*/ | |
2164 | ||
2165 | { } | |
2166 | }; | |
2167 | MODULE_DEVICE_TABLE (usb, id_table); | |
2168 | ||
2169 | static struct usb_driver usbtest_driver = { | |
1da177e4 LT |
2170 | .name = "usbtest", |
2171 | .id_table = id_table, | |
2172 | .probe = usbtest_probe, | |
2173 | .ioctl = usbtest_ioctl, | |
2174 | .disconnect = usbtest_disconnect, | |
ff7c79e4 DB |
2175 | .suspend = usbtest_suspend, |
2176 | .resume = usbtest_resume, | |
1da177e4 LT |
2177 | }; |
2178 | ||
2179 | /*-------------------------------------------------------------------------*/ | |
2180 | ||
2181 | static int __init usbtest_init (void) | |
2182 | { | |
2183 | #ifdef GENERIC | |
2184 | if (vendor) | |
28ffd79c | 2185 | pr_debug("params: vend=0x%04x prod=0x%04x\n", vendor, product); |
1da177e4 LT |
2186 | #endif |
2187 | return usb_register (&usbtest_driver); | |
2188 | } | |
2189 | module_init (usbtest_init); | |
2190 | ||
2191 | static void __exit usbtest_exit (void) | |
2192 | { | |
2193 | usb_deregister (&usbtest_driver); | |
2194 | } | |
2195 | module_exit (usbtest_exit); | |
2196 | ||
2197 | MODULE_DESCRIPTION ("USB Core/HCD Testing Driver"); | |
2198 | MODULE_LICENSE ("GPL"); | |
2199 |