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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 | ||
fabbf219 | 16 | /* FIXME make these public somewhere; usbdevfs.h? */ |
1da177e4 | 17 | struct usbtest_param { |
fabbf219 | 18 | /* inputs */ |
1da177e4 LT |
19 | unsigned test_num; /* 0..(TEST_CASES-1) */ |
20 | unsigned iterations; | |
21 | unsigned length; | |
22 | unsigned vary; | |
23 | unsigned sglen; | |
24 | ||
fabbf219 | 25 | /* outputs */ |
1da177e4 LT |
26 | struct timeval duration; |
27 | }; | |
28 | #define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) | |
29 | ||
30 | /*-------------------------------------------------------------------------*/ | |
31 | ||
32 | #define GENERIC /* let probe() bind using module params */ | |
33 | ||
34 | /* Some devices that can be used for testing will have "real" drivers. | |
35 | * Entries for those need to be enabled here by hand, after disabling | |
36 | * that "real" driver. | |
37 | */ | |
38 | //#define IBOT2 /* grab iBOT2 webcams */ | |
39 | //#define KEYSPAN_19Qi /* grab un-renumerated serial adapter */ | |
40 | ||
41 | /*-------------------------------------------------------------------------*/ | |
42 | ||
43 | struct usbtest_info { | |
44 | const char *name; | |
45 | u8 ep_in; /* bulk/intr source */ | |
46 | u8 ep_out; /* bulk/intr sink */ | |
fabbf219 MF |
47 | unsigned autoconf:1; |
48 | unsigned ctrl_out:1; | |
49 | unsigned iso:1; /* try iso in/out */ | |
1da177e4 LT |
50 | int alt; |
51 | }; | |
52 | ||
53 | /* this is accessed only through usbfs ioctl calls. | |
54 | * one ioctl to issue a test ... one lock per device. | |
55 | * tests create other threads if they need them. | |
56 | * urbs and buffers are allocated dynamically, | |
57 | * and data generated deterministically. | |
58 | */ | |
59 | struct usbtest_dev { | |
60 | struct usb_interface *intf; | |
61 | struct usbtest_info *info; | |
62 | int in_pipe; | |
63 | int out_pipe; | |
64 | int in_iso_pipe; | |
65 | int out_iso_pipe; | |
66 | struct usb_endpoint_descriptor *iso_in, *iso_out; | |
1cfab028 | 67 | struct mutex lock; |
1da177e4 LT |
68 | |
69 | #define TBUF_SIZE 256 | |
70 | u8 *buf; | |
71 | }; | |
72 | ||
fabbf219 | 73 | static struct usb_device *testdev_to_usbdev(struct usbtest_dev *test) |
1da177e4 | 74 | { |
fabbf219 | 75 | return interface_to_usbdev(test->intf); |
1da177e4 LT |
76 | } |
77 | ||
78 | /* set up all urbs so they can be used with either bulk or interrupt */ | |
79 | #define INTERRUPT_RATE 1 /* msec/transfer */ | |
80 | ||
28ffd79c DB |
81 | #define ERROR(tdev, fmt, args...) \ |
82 | dev_err(&(tdev)->intf->dev , fmt , ## args) | |
b6c63937 | 83 | #define WARNING(tdev, fmt, args...) \ |
28ffd79c | 84 | dev_warn(&(tdev)->intf->dev , fmt , ## args) |
1da177e4 | 85 | |
084fb206 MF |
86 | #define GUARD_BYTE 0xA5 |
87 | ||
1da177e4 LT |
88 | /*-------------------------------------------------------------------------*/ |
89 | ||
90 | static int | |
fabbf219 | 91 | get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf) |
1da177e4 LT |
92 | { |
93 | int tmp; | |
94 | struct usb_host_interface *alt; | |
95 | struct usb_host_endpoint *in, *out; | |
96 | struct usb_host_endpoint *iso_in, *iso_out; | |
97 | struct usb_device *udev; | |
98 | ||
99 | for (tmp = 0; tmp < intf->num_altsetting; tmp++) { | |
100 | unsigned ep; | |
101 | ||
102 | in = out = NULL; | |
103 | iso_in = iso_out = NULL; | |
104 | alt = intf->altsetting + tmp; | |
105 | ||
106 | /* take the first altsetting with in-bulk + out-bulk; | |
70f23fd6 | 107 | * ignore other endpoints and altsettings. |
1da177e4 LT |
108 | */ |
109 | for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { | |
110 | struct usb_host_endpoint *e; | |
111 | ||
112 | e = alt->endpoint + ep; | |
113 | switch (e->desc.bmAttributes) { | |
114 | case USB_ENDPOINT_XFER_BULK: | |
115 | break; | |
116 | case USB_ENDPOINT_XFER_ISOC: | |
117 | if (dev->info->iso) | |
118 | goto try_iso; | |
fabbf219 | 119 | /* FALLTHROUGH */ |
1da177e4 LT |
120 | default: |
121 | continue; | |
122 | } | |
4d823dd2 | 123 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
124 | if (!in) |
125 | in = e; | |
126 | } else { | |
127 | if (!out) | |
128 | out = e; | |
129 | } | |
130 | continue; | |
131 | try_iso: | |
4d823dd2 | 132 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
133 | if (!iso_in) |
134 | iso_in = e; | |
135 | } else { | |
136 | if (!iso_out) | |
137 | iso_out = e; | |
138 | } | |
139 | } | |
951fd8ee | 140 | if ((in && out) || iso_in || iso_out) |
1da177e4 LT |
141 | goto found; |
142 | } | |
143 | return -EINVAL; | |
144 | ||
145 | found: | |
fabbf219 | 146 | udev = testdev_to_usbdev(dev); |
1da177e4 | 147 | if (alt->desc.bAlternateSetting != 0) { |
fabbf219 | 148 | tmp = usb_set_interface(udev, |
1da177e4 LT |
149 | alt->desc.bInterfaceNumber, |
150 | alt->desc.bAlternateSetting); | |
151 | if (tmp < 0) | |
152 | return tmp; | |
153 | } | |
154 | ||
155 | if (in) { | |
fabbf219 | 156 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 | 157 | in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
fabbf219 | 158 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
159 | out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
160 | } | |
161 | if (iso_in) { | |
162 | dev->iso_in = &iso_in->desc; | |
fabbf219 | 163 | dev->in_iso_pipe = usb_rcvisocpipe(udev, |
1da177e4 LT |
164 | iso_in->desc.bEndpointAddress |
165 | & USB_ENDPOINT_NUMBER_MASK); | |
951fd8ee ML |
166 | } |
167 | ||
168 | if (iso_out) { | |
1da177e4 | 169 | dev->iso_out = &iso_out->desc; |
fabbf219 | 170 | dev->out_iso_pipe = usb_sndisocpipe(udev, |
1da177e4 LT |
171 | iso_out->desc.bEndpointAddress |
172 | & USB_ENDPOINT_NUMBER_MASK); | |
173 | } | |
174 | return 0; | |
175 | } | |
176 | ||
177 | /*-------------------------------------------------------------------------*/ | |
178 | ||
179 | /* Support for testing basic non-queued I/O streams. | |
180 | * | |
181 | * These just package urbs as requests that can be easily canceled. | |
182 | * Each urb's data buffer is dynamically allocated; callers can fill | |
183 | * them with non-zero test data (or test for it) when appropriate. | |
184 | */ | |
185 | ||
fabbf219 | 186 | static void simple_callback(struct urb *urb) |
1da177e4 | 187 | { |
cdc97792 | 188 | complete(urb->context); |
1da177e4 LT |
189 | } |
190 | ||
084fb206 | 191 | static struct urb *usbtest_alloc_urb( |
1da177e4 LT |
192 | struct usb_device *udev, |
193 | int pipe, | |
084fb206 MF |
194 | unsigned long bytes, |
195 | unsigned transfer_flags, | |
196 | unsigned offset) | |
1da177e4 LT |
197 | { |
198 | struct urb *urb; | |
199 | ||
fabbf219 | 200 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 LT |
201 | if (!urb) |
202 | return urb; | |
fabbf219 | 203 | usb_fill_bulk_urb(urb, udev, pipe, NULL, bytes, simple_callback, NULL); |
1da177e4 LT |
204 | urb->interval = (udev->speed == USB_SPEED_HIGH) |
205 | ? (INTERRUPT_RATE << 3) | |
206 | : INTERRUPT_RATE; | |
084fb206 | 207 | urb->transfer_flags = transfer_flags; |
fabbf219 | 208 | if (usb_pipein(pipe)) |
1da177e4 | 209 | urb->transfer_flags |= URB_SHORT_NOT_OK; |
084fb206 MF |
210 | |
211 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
212 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, | |
213 | GFP_KERNEL, &urb->transfer_dma); | |
214 | else | |
215 | urb->transfer_buffer = kmalloc(bytes + offset, GFP_KERNEL); | |
216 | ||
1da177e4 | 217 | if (!urb->transfer_buffer) { |
fabbf219 | 218 | usb_free_urb(urb); |
084fb206 MF |
219 | return NULL; |
220 | } | |
221 | ||
222 | /* To test unaligned transfers add an offset and fill the | |
223 | unused memory with a guard value */ | |
224 | if (offset) { | |
225 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
226 | urb->transfer_buffer += offset; | |
227 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
228 | urb->transfer_dma += offset; | |
229 | } | |
230 | ||
231 | /* For inbound transfers use guard byte so that test fails if | |
232 | data not correctly copied */ | |
233 | memset(urb->transfer_buffer, | |
234 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
235 | bytes); | |
1da177e4 LT |
236 | return urb; |
237 | } | |
238 | ||
084fb206 MF |
239 | static struct urb *simple_alloc_urb( |
240 | struct usb_device *udev, | |
241 | int pipe, | |
242 | unsigned long bytes) | |
243 | { | |
244 | return usbtest_alloc_urb(udev, pipe, bytes, URB_NO_TRANSFER_DMA_MAP, 0); | |
245 | } | |
246 | ||
fabbf219 | 247 | static unsigned pattern; |
7f4e9854 VP |
248 | static unsigned mod_pattern; |
249 | module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); | |
250 | MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); | |
1da177e4 | 251 | |
fabbf219 | 252 | static inline void simple_fill_buf(struct urb *urb) |
1da177e4 LT |
253 | { |
254 | unsigned i; | |
255 | u8 *buf = urb->transfer_buffer; | |
256 | unsigned len = urb->transfer_buffer_length; | |
257 | ||
258 | switch (pattern) { | |
259 | default: | |
fabbf219 | 260 | /* FALLTHROUGH */ |
1da177e4 | 261 | case 0: |
fabbf219 | 262 | memset(buf, 0, len); |
1da177e4 LT |
263 | break; |
264 | case 1: /* mod63 */ | |
265 | for (i = 0; i < len; i++) | |
266 | *buf++ = (u8) (i % 63); | |
267 | break; | |
268 | } | |
269 | } | |
270 | ||
304b0b57 | 271 | static inline unsigned long buffer_offset(void *buf) |
084fb206 | 272 | { |
304b0b57 | 273 | return (unsigned long)buf & (ARCH_KMALLOC_MINALIGN - 1); |
084fb206 MF |
274 | } |
275 | ||
276 | static int check_guard_bytes(struct usbtest_dev *tdev, struct urb *urb) | |
277 | { | |
278 | u8 *buf = urb->transfer_buffer; | |
279 | u8 *guard = buf - buffer_offset(buf); | |
280 | unsigned i; | |
281 | ||
282 | for (i = 0; guard < buf; i++, guard++) { | |
283 | if (*guard != GUARD_BYTE) { | |
284 | ERROR(tdev, "guard byte[%d] %d (not %d)\n", | |
285 | i, *guard, GUARD_BYTE); | |
286 | return -EINVAL; | |
287 | } | |
288 | } | |
289 | return 0; | |
290 | } | |
291 | ||
292 | static int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb) | |
1da177e4 LT |
293 | { |
294 | unsigned i; | |
295 | u8 expected; | |
296 | u8 *buf = urb->transfer_buffer; | |
297 | unsigned len = urb->actual_length; | |
298 | ||
084fb206 MF |
299 | int ret = check_guard_bytes(tdev, urb); |
300 | if (ret) | |
301 | return ret; | |
302 | ||
1da177e4 LT |
303 | for (i = 0; i < len; i++, buf++) { |
304 | switch (pattern) { | |
305 | /* all-zeroes has no synchronization issues */ | |
306 | case 0: | |
307 | expected = 0; | |
308 | break; | |
309 | /* mod63 stays in sync with short-terminated transfers, | |
310 | * or otherwise when host and gadget agree on how large | |
311 | * each usb transfer request should be. resync is done | |
312 | * with set_interface or set_config. | |
313 | */ | |
314 | case 1: /* mod63 */ | |
315 | expected = i % 63; | |
316 | break; | |
317 | /* always fail unsupported patterns */ | |
318 | default: | |
319 | expected = !*buf; | |
320 | break; | |
321 | } | |
322 | if (*buf == expected) | |
323 | continue; | |
28ffd79c | 324 | ERROR(tdev, "buf[%d] = %d (not %d)\n", i, *buf, expected); |
1da177e4 LT |
325 | return -EINVAL; |
326 | } | |
327 | return 0; | |
328 | } | |
329 | ||
fabbf219 | 330 | static void simple_free_urb(struct urb *urb) |
1da177e4 | 331 | { |
304b0b57 | 332 | unsigned long offset = buffer_offset(urb->transfer_buffer); |
084fb206 MF |
333 | |
334 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
335 | usb_free_coherent( | |
336 | urb->dev, | |
337 | urb->transfer_buffer_length + offset, | |
338 | urb->transfer_buffer - offset, | |
339 | urb->transfer_dma - offset); | |
340 | else | |
341 | kfree(urb->transfer_buffer - offset); | |
fabbf219 | 342 | usb_free_urb(urb); |
1da177e4 LT |
343 | } |
344 | ||
fabbf219 | 345 | static int simple_io( |
28ffd79c | 346 | struct usbtest_dev *tdev, |
1da177e4 LT |
347 | struct urb *urb, |
348 | int iterations, | |
349 | int vary, | |
350 | int expected, | |
351 | const char *label | |
352 | ) | |
353 | { | |
354 | struct usb_device *udev = urb->dev; | |
355 | int max = urb->transfer_buffer_length; | |
356 | struct completion completion; | |
357 | int retval = 0; | |
358 | ||
359 | urb->context = &completion; | |
360 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 361 | init_completion(&completion); |
7c79d094 | 362 | if (usb_pipeout(urb->pipe)) { |
fabbf219 | 363 | simple_fill_buf(urb); |
7c79d094 SAS |
364 | urb->transfer_flags |= URB_ZERO_PACKET; |
365 | } | |
fabbf219 MF |
366 | retval = usb_submit_urb(urb, GFP_KERNEL); |
367 | if (retval != 0) | |
1da177e4 LT |
368 | break; |
369 | ||
370 | /* NOTE: no timeouts; can't be broken out of by interrupt */ | |
fabbf219 | 371 | wait_for_completion(&completion); |
1da177e4 LT |
372 | retval = urb->status; |
373 | urb->dev = udev; | |
fabbf219 | 374 | if (retval == 0 && usb_pipein(urb->pipe)) |
28ffd79c | 375 | retval = simple_check_buf(tdev, urb); |
1da177e4 LT |
376 | |
377 | if (vary) { | |
378 | int len = urb->transfer_buffer_length; | |
379 | ||
380 | len += vary; | |
381 | len %= max; | |
382 | if (len == 0) | |
383 | len = (vary < max) ? vary : max; | |
384 | urb->transfer_buffer_length = len; | |
385 | } | |
386 | ||
387 | /* FIXME if endpoint halted, clear halt (and log) */ | |
388 | } | |
389 | urb->transfer_buffer_length = max; | |
390 | ||
391 | if (expected != retval) | |
28ffd79c | 392 | dev_err(&udev->dev, |
1da177e4 LT |
393 | "%s failed, iterations left %d, status %d (not %d)\n", |
394 | label, iterations, retval, expected); | |
395 | return retval; | |
396 | } | |
397 | ||
398 | ||
399 | /*-------------------------------------------------------------------------*/ | |
400 | ||
401 | /* We use scatterlist primitives to test queued I/O. | |
402 | * Yes, this also tests the scatterlist primitives. | |
403 | */ | |
404 | ||
fabbf219 | 405 | static void free_sglist(struct scatterlist *sg, int nents) |
1da177e4 LT |
406 | { |
407 | unsigned i; | |
28ffd79c | 408 | |
1da177e4 LT |
409 | if (!sg) |
410 | return; | |
411 | for (i = 0; i < nents; i++) { | |
45711f1a | 412 | if (!sg_page(&sg[i])) |
1da177e4 | 413 | continue; |
fabbf219 | 414 | kfree(sg_virt(&sg[i])); |
1da177e4 | 415 | } |
fabbf219 | 416 | kfree(sg); |
1da177e4 LT |
417 | } |
418 | ||
419 | static struct scatterlist * | |
fabbf219 | 420 | alloc_sglist(int nents, int max, int vary) |
1da177e4 LT |
421 | { |
422 | struct scatterlist *sg; | |
423 | unsigned i; | |
424 | unsigned size = max; | |
425 | ||
fabbf219 | 426 | sg = kmalloc(nents * sizeof *sg, GFP_KERNEL); |
1da177e4 LT |
427 | if (!sg) |
428 | return NULL; | |
4756febb | 429 | sg_init_table(sg, nents); |
1da177e4 LT |
430 | |
431 | for (i = 0; i < nents; i++) { | |
432 | char *buf; | |
8b524901 | 433 | unsigned j; |
1da177e4 | 434 | |
fabbf219 | 435 | buf = kzalloc(size, GFP_KERNEL); |
1da177e4 | 436 | if (!buf) { |
fabbf219 | 437 | free_sglist(sg, i); |
1da177e4 LT |
438 | return NULL; |
439 | } | |
1da177e4 LT |
440 | |
441 | /* kmalloc pages are always physically contiguous! */ | |
4756febb | 442 | sg_set_buf(&sg[i], buf, size); |
1da177e4 | 443 | |
8b524901 DB |
444 | switch (pattern) { |
445 | case 0: | |
446 | /* already zeroed */ | |
447 | break; | |
448 | case 1: | |
449 | for (j = 0; j < size; j++) | |
450 | *buf++ = (u8) (j % 63); | |
451 | break; | |
452 | } | |
453 | ||
1da177e4 LT |
454 | if (vary) { |
455 | size += vary; | |
456 | size %= max; | |
457 | if (size == 0) | |
458 | size = (vary < max) ? vary : max; | |
459 | } | |
460 | } | |
461 | ||
462 | return sg; | |
463 | } | |
464 | ||
fabbf219 | 465 | static int perform_sglist( |
28ffd79c | 466 | struct usbtest_dev *tdev, |
1da177e4 LT |
467 | unsigned iterations, |
468 | int pipe, | |
469 | struct usb_sg_request *req, | |
470 | struct scatterlist *sg, | |
471 | int nents | |
472 | ) | |
473 | { | |
28ffd79c | 474 | struct usb_device *udev = testdev_to_usbdev(tdev); |
1da177e4 LT |
475 | int retval = 0; |
476 | ||
477 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 478 | retval = usb_sg_init(req, udev, pipe, |
1da177e4 LT |
479 | (udev->speed == USB_SPEED_HIGH) |
480 | ? (INTERRUPT_RATE << 3) | |
481 | : INTERRUPT_RATE, | |
e94b1766 | 482 | sg, nents, 0, GFP_KERNEL); |
28ffd79c | 483 | |
1da177e4 LT |
484 | if (retval) |
485 | break; | |
fabbf219 | 486 | usb_sg_wait(req); |
1da177e4 LT |
487 | retval = req->status; |
488 | ||
8b524901 DB |
489 | /* FIXME check resulting data pattern */ |
490 | ||
1da177e4 LT |
491 | /* FIXME if endpoint halted, clear halt (and log) */ |
492 | } | |
493 | ||
fabbf219 MF |
494 | /* FIXME for unlink or fault handling tests, don't report |
495 | * failure if retval is as we expected ... | |
496 | */ | |
1da177e4 | 497 | if (retval) |
28ffd79c DB |
498 | ERROR(tdev, "perform_sglist failed, " |
499 | "iterations left %d, status %d\n", | |
1da177e4 LT |
500 | iterations, retval); |
501 | return retval; | |
502 | } | |
503 | ||
504 | ||
505 | /*-------------------------------------------------------------------------*/ | |
506 | ||
507 | /* unqueued control message testing | |
508 | * | |
509 | * there's a nice set of device functional requirements in chapter 9 of the | |
510 | * usb 2.0 spec, which we can apply to ANY device, even ones that don't use | |
511 | * special test firmware. | |
512 | * | |
513 | * we know the device is configured (or suspended) by the time it's visible | |
514 | * through usbfs. we can't change that, so we won't test enumeration (which | |
515 | * worked 'well enough' to get here, this time), power management (ditto), | |
516 | * or remote wakeup (which needs human interaction). | |
517 | */ | |
518 | ||
519 | static unsigned realworld = 1; | |
fabbf219 MF |
520 | module_param(realworld, uint, 0); |
521 | MODULE_PARM_DESC(realworld, "clear to demand stricter spec compliance"); | |
1da177e4 | 522 | |
fabbf219 | 523 | static int get_altsetting(struct usbtest_dev *dev) |
1da177e4 LT |
524 | { |
525 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 526 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
527 | int retval; |
528 | ||
fabbf219 | 529 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 | 530 | USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, |
fabbf219 | 531 | 0, iface->altsetting[0].desc.bInterfaceNumber, |
1da177e4 LT |
532 | dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
533 | switch (retval) { | |
534 | case 1: | |
fabbf219 | 535 | return dev->buf[0]; |
1da177e4 LT |
536 | case 0: |
537 | retval = -ERANGE; | |
fabbf219 | 538 | /* FALLTHROUGH */ |
1da177e4 LT |
539 | default: |
540 | return retval; | |
541 | } | |
542 | } | |
543 | ||
fabbf219 | 544 | static int set_altsetting(struct usbtest_dev *dev, int alternate) |
1da177e4 LT |
545 | { |
546 | struct usb_interface *iface = dev->intf; | |
547 | struct usb_device *udev; | |
548 | ||
549 | if (alternate < 0 || alternate >= 256) | |
550 | return -EINVAL; | |
551 | ||
fabbf219 MF |
552 | udev = interface_to_usbdev(iface); |
553 | return usb_set_interface(udev, | |
554 | iface->altsetting[0].desc.bInterfaceNumber, | |
1da177e4 LT |
555 | alternate); |
556 | } | |
557 | ||
28ffd79c | 558 | static int is_good_config(struct usbtest_dev *tdev, int len) |
1da177e4 LT |
559 | { |
560 | struct usb_config_descriptor *config; | |
28ffd79c | 561 | |
1da177e4 LT |
562 | if (len < sizeof *config) |
563 | return 0; | |
28ffd79c | 564 | config = (struct usb_config_descriptor *) tdev->buf; |
1da177e4 LT |
565 | |
566 | switch (config->bDescriptorType) { | |
567 | case USB_DT_CONFIG: | |
568 | case USB_DT_OTHER_SPEED_CONFIG: | |
569 | if (config->bLength != 9) { | |
28ffd79c | 570 | ERROR(tdev, "bogus config descriptor length\n"); |
1da177e4 LT |
571 | return 0; |
572 | } | |
573 | /* this bit 'must be 1' but often isn't */ | |
574 | if (!realworld && !(config->bmAttributes & 0x80)) { | |
28ffd79c | 575 | ERROR(tdev, "high bit of config attributes not set\n"); |
1da177e4 LT |
576 | return 0; |
577 | } | |
578 | if (config->bmAttributes & 0x1f) { /* reserved == 0 */ | |
28ffd79c | 579 | ERROR(tdev, "reserved config bits set\n"); |
1da177e4 LT |
580 | return 0; |
581 | } | |
582 | break; | |
583 | default: | |
584 | return 0; | |
585 | } | |
586 | ||
fabbf219 | 587 | if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ |
1da177e4 | 588 | return 1; |
fabbf219 | 589 | if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ |
1da177e4 | 590 | return 1; |
28ffd79c | 591 | ERROR(tdev, "bogus config descriptor read size\n"); |
1da177e4 LT |
592 | return 0; |
593 | } | |
594 | ||
595 | /* sanity test for standard requests working with usb_control_mesg() and some | |
596 | * of the utility functions which use it. | |
597 | * | |
598 | * this doesn't test how endpoint halts behave or data toggles get set, since | |
599 | * we won't do I/O to bulk/interrupt endpoints here (which is how to change | |
600 | * halt or toggle). toggle testing is impractical without support from hcds. | |
601 | * | |
602 | * this avoids failing devices linux would normally work with, by not testing | |
603 | * config/altsetting operations for devices that only support their defaults. | |
604 | * such devices rarely support those needless operations. | |
605 | * | |
606 | * NOTE that since this is a sanity test, it's not examining boundary cases | |
607 | * to see if usbcore, hcd, and device all behave right. such testing would | |
608 | * involve varied read sizes and other operation sequences. | |
609 | */ | |
fabbf219 | 610 | static int ch9_postconfig(struct usbtest_dev *dev) |
1da177e4 LT |
611 | { |
612 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 613 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
614 | int i, alt, retval; |
615 | ||
616 | /* [9.2.3] if there's more than one altsetting, we need to be able to | |
617 | * set and get each one. mostly trusts the descriptors from usbcore. | |
618 | */ | |
619 | for (i = 0; i < iface->num_altsetting; i++) { | |
620 | ||
621 | /* 9.2.3 constrains the range here */ | |
fabbf219 | 622 | alt = iface->altsetting[i].desc.bAlternateSetting; |
1da177e4 | 623 | if (alt < 0 || alt >= iface->num_altsetting) { |
28ffd79c | 624 | dev_err(&iface->dev, |
1da177e4 LT |
625 | "invalid alt [%d].bAltSetting = %d\n", |
626 | i, alt); | |
627 | } | |
628 | ||
629 | /* [real world] get/set unimplemented if there's only one */ | |
630 | if (realworld && iface->num_altsetting == 1) | |
631 | continue; | |
632 | ||
633 | /* [9.4.10] set_interface */ | |
fabbf219 | 634 | retval = set_altsetting(dev, alt); |
1da177e4 | 635 | if (retval) { |
28ffd79c | 636 | dev_err(&iface->dev, "can't set_interface = %d, %d\n", |
1da177e4 LT |
637 | alt, retval); |
638 | return retval; | |
639 | } | |
640 | ||
641 | /* [9.4.4] get_interface always works */ | |
fabbf219 | 642 | retval = get_altsetting(dev); |
1da177e4 | 643 | if (retval != alt) { |
28ffd79c | 644 | dev_err(&iface->dev, "get alt should be %d, was %d\n", |
1da177e4 LT |
645 | alt, retval); |
646 | return (retval < 0) ? retval : -EDOM; | |
647 | } | |
648 | ||
649 | } | |
650 | ||
651 | /* [real world] get_config unimplemented if there's only one */ | |
652 | if (!realworld || udev->descriptor.bNumConfigurations != 1) { | |
653 | int expected = udev->actconfig->desc.bConfigurationValue; | |
654 | ||
655 | /* [9.4.2] get_configuration always works | |
656 | * ... although some cheap devices (like one TI Hub I've got) | |
657 | * won't return config descriptors except before set_config. | |
658 | */ | |
fabbf219 | 659 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
660 | USB_REQ_GET_CONFIGURATION, |
661 | USB_DIR_IN | USB_RECIP_DEVICE, | |
662 | 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); | |
fabbf219 | 663 | if (retval != 1 || dev->buf[0] != expected) { |
28ffd79c | 664 | dev_err(&iface->dev, "get config --> %d %d (1 %d)\n", |
ff7c79e4 | 665 | retval, dev->buf[0], expected); |
1da177e4 LT |
666 | return (retval < 0) ? retval : -EDOM; |
667 | } | |
668 | } | |
669 | ||
670 | /* there's always [9.4.3] a device descriptor [9.6.1] */ | |
fabbf219 | 671 | retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0, |
1da177e4 LT |
672 | dev->buf, sizeof udev->descriptor); |
673 | if (retval != sizeof udev->descriptor) { | |
28ffd79c | 674 | dev_err(&iface->dev, "dev descriptor --> %d\n", retval); |
1da177e4 LT |
675 | return (retval < 0) ? retval : -EDOM; |
676 | } | |
677 | ||
678 | /* there's always [9.4.3] at least one config descriptor [9.6.3] */ | |
679 | for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { | |
fabbf219 | 680 | retval = usb_get_descriptor(udev, USB_DT_CONFIG, i, |
1da177e4 | 681 | dev->buf, TBUF_SIZE); |
28ffd79c DB |
682 | if (!is_good_config(dev, retval)) { |
683 | dev_err(&iface->dev, | |
1da177e4 LT |
684 | "config [%d] descriptor --> %d\n", |
685 | i, retval); | |
686 | return (retval < 0) ? retval : -EDOM; | |
687 | } | |
688 | ||
fabbf219 MF |
689 | /* FIXME cross-checking udev->config[i] to make sure usbcore |
690 | * parsed it right (etc) would be good testing paranoia | |
691 | */ | |
1da177e4 LT |
692 | } |
693 | ||
694 | /* and sometimes [9.2.6.6] speed dependent descriptors */ | |
695 | if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { | |
fabbf219 | 696 | struct usb_qualifier_descriptor *d = NULL; |
1da177e4 LT |
697 | |
698 | /* device qualifier [9.6.2] */ | |
fabbf219 | 699 | retval = usb_get_descriptor(udev, |
1da177e4 | 700 | USB_DT_DEVICE_QUALIFIER, 0, dev->buf, |
fabbf219 | 701 | sizeof(struct usb_qualifier_descriptor)); |
1da177e4 LT |
702 | if (retval == -EPIPE) { |
703 | if (udev->speed == USB_SPEED_HIGH) { | |
28ffd79c | 704 | dev_err(&iface->dev, |
1da177e4 LT |
705 | "hs dev qualifier --> %d\n", |
706 | retval); | |
707 | return (retval < 0) ? retval : -EDOM; | |
708 | } | |
709 | /* usb2.0 but not high-speed capable; fine */ | |
fabbf219 | 710 | } else if (retval != sizeof(struct usb_qualifier_descriptor)) { |
28ffd79c | 711 | dev_err(&iface->dev, "dev qualifier --> %d\n", retval); |
1da177e4 LT |
712 | return (retval < 0) ? retval : -EDOM; |
713 | } else | |
714 | d = (struct usb_qualifier_descriptor *) dev->buf; | |
715 | ||
716 | /* might not have [9.6.2] any other-speed configs [9.6.4] */ | |
717 | if (d) { | |
718 | unsigned max = d->bNumConfigurations; | |
719 | for (i = 0; i < max; i++) { | |
fabbf219 | 720 | retval = usb_get_descriptor(udev, |
1da177e4 LT |
721 | USB_DT_OTHER_SPEED_CONFIG, i, |
722 | dev->buf, TBUF_SIZE); | |
28ffd79c DB |
723 | if (!is_good_config(dev, retval)) { |
724 | dev_err(&iface->dev, | |
1da177e4 LT |
725 | "other speed config --> %d\n", |
726 | retval); | |
727 | return (retval < 0) ? retval : -EDOM; | |
728 | } | |
729 | } | |
730 | } | |
731 | } | |
fabbf219 | 732 | /* FIXME fetch strings from at least the device descriptor */ |
1da177e4 LT |
733 | |
734 | /* [9.4.5] get_status always works */ | |
fabbf219 | 735 | retval = usb_get_status(udev, USB_RECIP_DEVICE, 0, dev->buf); |
1da177e4 | 736 | if (retval != 2) { |
28ffd79c | 737 | dev_err(&iface->dev, "get dev status --> %d\n", retval); |
1da177e4 LT |
738 | return (retval < 0) ? retval : -EDOM; |
739 | } | |
740 | ||
fabbf219 MF |
741 | /* FIXME configuration.bmAttributes says if we could try to set/clear |
742 | * the device's remote wakeup feature ... if we can, test that here | |
743 | */ | |
1da177e4 | 744 | |
fabbf219 MF |
745 | retval = usb_get_status(udev, USB_RECIP_INTERFACE, |
746 | iface->altsetting[0].desc.bInterfaceNumber, dev->buf); | |
1da177e4 | 747 | if (retval != 2) { |
28ffd79c | 748 | dev_err(&iface->dev, "get interface status --> %d\n", retval); |
1da177e4 LT |
749 | return (retval < 0) ? retval : -EDOM; |
750 | } | |
fabbf219 | 751 | /* FIXME get status for each endpoint in the interface */ |
28ffd79c | 752 | |
1da177e4 LT |
753 | return 0; |
754 | } | |
755 | ||
756 | /*-------------------------------------------------------------------------*/ | |
757 | ||
758 | /* use ch9 requests to test whether: | |
759 | * (a) queues work for control, keeping N subtests queued and | |
760 | * active (auto-resubmit) for M loops through the queue. | |
761 | * (b) protocol stalls (control-only) will autorecover. | |
762 | * it's not like bulk/intr; no halt clearing. | |
763 | * (c) short control reads are reported and handled. | |
764 | * (d) queues are always processed in-order | |
765 | */ | |
766 | ||
767 | struct ctrl_ctx { | |
768 | spinlock_t lock; | |
769 | struct usbtest_dev *dev; | |
770 | struct completion complete; | |
771 | unsigned count; | |
772 | unsigned pending; | |
773 | int status; | |
774 | struct urb **urb; | |
775 | struct usbtest_param *param; | |
776 | int last; | |
777 | }; | |
778 | ||
779 | #define NUM_SUBCASES 15 /* how many test subcases here? */ | |
780 | ||
781 | struct subcase { | |
782 | struct usb_ctrlrequest setup; | |
783 | int number; | |
784 | int expected; | |
785 | }; | |
786 | ||
fabbf219 | 787 | static void ctrl_complete(struct urb *urb) |
1da177e4 LT |
788 | { |
789 | struct ctrl_ctx *ctx = urb->context; | |
790 | struct usb_ctrlrequest *reqp; | |
791 | struct subcase *subcase; | |
792 | int status = urb->status; | |
793 | ||
794 | reqp = (struct usb_ctrlrequest *)urb->setup_packet; | |
fabbf219 | 795 | subcase = container_of(reqp, struct subcase, setup); |
1da177e4 | 796 | |
fabbf219 | 797 | spin_lock(&ctx->lock); |
1da177e4 LT |
798 | ctx->count--; |
799 | ctx->pending--; | |
800 | ||
801 | /* queue must transfer and complete in fifo order, unless | |
802 | * usb_unlink_urb() is used to unlink something not at the | |
803 | * physical queue head (not tested). | |
804 | */ | |
805 | if (subcase->number > 0) { | |
806 | if ((subcase->number - ctx->last) != 1) { | |
28ffd79c DB |
807 | ERROR(ctx->dev, |
808 | "subcase %d completed out of order, last %d\n", | |
809 | subcase->number, ctx->last); | |
1da177e4 LT |
810 | status = -EDOM; |
811 | ctx->last = subcase->number; | |
812 | goto error; | |
813 | } | |
814 | } | |
815 | ctx->last = subcase->number; | |
816 | ||
817 | /* succeed or fault in only one way? */ | |
818 | if (status == subcase->expected) | |
819 | status = 0; | |
820 | ||
821 | /* async unlink for cleanup? */ | |
822 | else if (status != -ECONNRESET) { | |
823 | ||
824 | /* some faults are allowed, not required */ | |
825 | if (subcase->expected > 0 && ( | |
59d99785 GKH |
826 | ((status == -subcase->expected /* happened */ |
827 | || status == 0)))) /* didn't */ | |
1da177e4 LT |
828 | status = 0; |
829 | /* sometimes more than one fault is allowed */ | |
830 | else if (subcase->number == 12 && status == -EPIPE) | |
831 | status = 0; | |
832 | else | |
28ffd79c | 833 | ERROR(ctx->dev, "subtest %d error, status %d\n", |
1da177e4 LT |
834 | subcase->number, status); |
835 | } | |
836 | ||
837 | /* unexpected status codes mean errors; ideally, in hardware */ | |
838 | if (status) { | |
839 | error: | |
840 | if (ctx->status == 0) { | |
841 | int i; | |
842 | ||
843 | ctx->status = status; | |
28ffd79c DB |
844 | ERROR(ctx->dev, "control queue %02x.%02x, err %d, " |
845 | "%d left, subcase %d, len %d/%d\n", | |
1da177e4 | 846 | reqp->bRequestType, reqp->bRequest, |
28ffd79c DB |
847 | status, ctx->count, subcase->number, |
848 | urb->actual_length, | |
849 | urb->transfer_buffer_length); | |
1da177e4 LT |
850 | |
851 | /* FIXME this "unlink everything" exit route should | |
852 | * be a separate test case. | |
853 | */ | |
854 | ||
855 | /* unlink whatever's still pending */ | |
856 | for (i = 1; i < ctx->param->sglen; i++) { | |
fabbf219 MF |
857 | struct urb *u = ctx->urb[ |
858 | (i + subcase->number) | |
859 | % ctx->param->sglen]; | |
1da177e4 LT |
860 | |
861 | if (u == urb || !u->dev) | |
862 | continue; | |
caa2a122 | 863 | spin_unlock(&ctx->lock); |
fabbf219 | 864 | status = usb_unlink_urb(u); |
caa2a122 | 865 | spin_lock(&ctx->lock); |
1da177e4 LT |
866 | switch (status) { |
867 | case -EINPROGRESS: | |
868 | case -EBUSY: | |
869 | case -EIDRM: | |
870 | continue; | |
871 | default: | |
28ffd79c DB |
872 | ERROR(ctx->dev, "urb unlink --> %d\n", |
873 | status); | |
1da177e4 LT |
874 | } |
875 | } | |
876 | status = ctx->status; | |
877 | } | |
878 | } | |
879 | ||
880 | /* resubmit if we need to, else mark this as done */ | |
881 | if ((status == 0) && (ctx->pending < ctx->count)) { | |
fabbf219 MF |
882 | status = usb_submit_urb(urb, GFP_ATOMIC); |
883 | if (status != 0) { | |
28ffd79c DB |
884 | ERROR(ctx->dev, |
885 | "can't resubmit ctrl %02x.%02x, err %d\n", | |
1da177e4 LT |
886 | reqp->bRequestType, reqp->bRequest, status); |
887 | urb->dev = NULL; | |
888 | } else | |
889 | ctx->pending++; | |
890 | } else | |
891 | urb->dev = NULL; | |
28ffd79c | 892 | |
1da177e4 LT |
893 | /* signal completion when nothing's queued */ |
894 | if (ctx->pending == 0) | |
fabbf219 MF |
895 | complete(&ctx->complete); |
896 | spin_unlock(&ctx->lock); | |
1da177e4 LT |
897 | } |
898 | ||
899 | static int | |
fabbf219 | 900 | test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param) |
1da177e4 | 901 | { |
fabbf219 | 902 | struct usb_device *udev = testdev_to_usbdev(dev); |
1da177e4 LT |
903 | struct urb **urb; |
904 | struct ctrl_ctx context; | |
905 | int i; | |
906 | ||
fabbf219 | 907 | spin_lock_init(&context.lock); |
1da177e4 | 908 | context.dev = dev; |
fabbf219 | 909 | init_completion(&context.complete); |
1da177e4 LT |
910 | context.count = param->sglen * param->iterations; |
911 | context.pending = 0; | |
912 | context.status = -ENOMEM; | |
913 | context.param = param; | |
914 | context.last = -1; | |
915 | ||
916 | /* allocate and init the urbs we'll queue. | |
917 | * as with bulk/intr sglists, sglen is the queue depth; it also | |
918 | * controls which subtests run (more tests than sglen) or rerun. | |
919 | */ | |
e94b1766 | 920 | urb = kcalloc(param->sglen, sizeof(struct urb *), GFP_KERNEL); |
1da177e4 LT |
921 | if (!urb) |
922 | return -ENOMEM; | |
1da177e4 | 923 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 924 | int pipe = usb_rcvctrlpipe(udev, 0); |
1da177e4 LT |
925 | unsigned len; |
926 | struct urb *u; | |
927 | struct usb_ctrlrequest req; | |
928 | struct subcase *reqp; | |
6def7553 MS |
929 | |
930 | /* sign of this variable means: | |
931 | * -: tested code must return this (negative) error code | |
932 | * +: tested code may return this (negative too) error code | |
933 | */ | |
1da177e4 LT |
934 | int expected = 0; |
935 | ||
936 | /* requests here are mostly expected to succeed on any | |
937 | * device, but some are chosen to trigger protocol stalls | |
938 | * or short reads. | |
939 | */ | |
fabbf219 | 940 | memset(&req, 0, sizeof req); |
1da177e4 LT |
941 | req.bRequest = USB_REQ_GET_DESCRIPTOR; |
942 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
943 | ||
944 | switch (i % NUM_SUBCASES) { | |
fabbf219 MF |
945 | case 0: /* get device descriptor */ |
946 | req.wValue = cpu_to_le16(USB_DT_DEVICE << 8); | |
947 | len = sizeof(struct usb_device_descriptor); | |
1da177e4 | 948 | break; |
fabbf219 MF |
949 | case 1: /* get first config descriptor (only) */ |
950 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
951 | len = sizeof(struct usb_config_descriptor); | |
1da177e4 | 952 | break; |
fabbf219 | 953 | case 2: /* get altsetting (OFTEN STALLS) */ |
1da177e4 LT |
954 | req.bRequest = USB_REQ_GET_INTERFACE; |
955 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 956 | /* index = 0 means first interface */ |
1da177e4 LT |
957 | len = 1; |
958 | expected = EPIPE; | |
959 | break; | |
fabbf219 | 960 | case 3: /* get interface status */ |
1da177e4 LT |
961 | req.bRequest = USB_REQ_GET_STATUS; |
962 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 963 | /* interface 0 */ |
1da177e4 LT |
964 | len = 2; |
965 | break; | |
fabbf219 | 966 | case 4: /* get device status */ |
1da177e4 LT |
967 | req.bRequest = USB_REQ_GET_STATUS; |
968 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
969 | len = 2; | |
970 | break; | |
fabbf219 | 971 | case 5: /* get device qualifier (MAY STALL) */ |
1da177e4 | 972 | req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); |
fabbf219 | 973 | len = sizeof(struct usb_qualifier_descriptor); |
1da177e4 LT |
974 | if (udev->speed != USB_SPEED_HIGH) |
975 | expected = EPIPE; | |
976 | break; | |
fabbf219 MF |
977 | case 6: /* get first config descriptor, plus interface */ |
978 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
979 | len = sizeof(struct usb_config_descriptor); | |
980 | len += sizeof(struct usb_interface_descriptor); | |
1da177e4 | 981 | break; |
fabbf219 | 982 | case 7: /* get interface descriptor (ALWAYS STALLS) */ |
1da177e4 | 983 | req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); |
fabbf219 MF |
984 | /* interface == 0 */ |
985 | len = sizeof(struct usb_interface_descriptor); | |
28ffd79c | 986 | expected = -EPIPE; |
1da177e4 | 987 | break; |
fabbf219 MF |
988 | /* NOTE: two consecutive stalls in the queue here. |
989 | * that tests fault recovery a bit more aggressively. */ | |
990 | case 8: /* clear endpoint halt (MAY STALL) */ | |
1da177e4 LT |
991 | req.bRequest = USB_REQ_CLEAR_FEATURE; |
992 | req.bRequestType = USB_RECIP_ENDPOINT; | |
fabbf219 MF |
993 | /* wValue 0 == ep halt */ |
994 | /* wIndex 0 == ep0 (shouldn't halt!) */ | |
1da177e4 | 995 | len = 0; |
fabbf219 | 996 | pipe = usb_sndctrlpipe(udev, 0); |
1da177e4 LT |
997 | expected = EPIPE; |
998 | break; | |
fabbf219 | 999 | case 9: /* get endpoint status */ |
1da177e4 LT |
1000 | req.bRequest = USB_REQ_GET_STATUS; |
1001 | req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; | |
fabbf219 | 1002 | /* endpoint 0 */ |
1da177e4 LT |
1003 | len = 2; |
1004 | break; | |
fabbf219 MF |
1005 | case 10: /* trigger short read (EREMOTEIO) */ |
1006 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1da177e4 LT |
1007 | len = 1024; |
1008 | expected = -EREMOTEIO; | |
1009 | break; | |
fabbf219 MF |
1010 | /* NOTE: two consecutive _different_ faults in the queue. */ |
1011 | case 11: /* get endpoint descriptor (ALWAYS STALLS) */ | |
1012 | req.wValue = cpu_to_le16(USB_DT_ENDPOINT << 8); | |
1013 | /* endpoint == 0 */ | |
1014 | len = sizeof(struct usb_interface_descriptor); | |
1da177e4 LT |
1015 | expected = EPIPE; |
1016 | break; | |
fabbf219 MF |
1017 | /* NOTE: sometimes even a third fault in the queue! */ |
1018 | case 12: /* get string 0 descriptor (MAY STALL) */ | |
1019 | req.wValue = cpu_to_le16(USB_DT_STRING << 8); | |
1020 | /* string == 0, for language IDs */ | |
1021 | len = sizeof(struct usb_interface_descriptor); | |
1022 | /* may succeed when > 4 languages */ | |
1023 | expected = EREMOTEIO; /* or EPIPE, if no strings */ | |
1da177e4 | 1024 | break; |
fabbf219 MF |
1025 | case 13: /* short read, resembling case 10 */ |
1026 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1027 | /* last data packet "should" be DATA1, not DATA0 */ | |
1da177e4 LT |
1028 | len = 1024 - udev->descriptor.bMaxPacketSize0; |
1029 | expected = -EREMOTEIO; | |
1030 | break; | |
fabbf219 MF |
1031 | case 14: /* short read; try to fill the last packet */ |
1032 | req.wValue = cpu_to_le16((USB_DT_DEVICE << 8) | 0); | |
28ffd79c | 1033 | /* device descriptor size == 18 bytes */ |
1da177e4 | 1034 | len = udev->descriptor.bMaxPacketSize0; |
67e7d64b SAS |
1035 | if (udev->speed == USB_SPEED_SUPER) |
1036 | len = 512; | |
1da177e4 | 1037 | switch (len) { |
fabbf219 MF |
1038 | case 8: |
1039 | len = 24; | |
1040 | break; | |
1041 | case 16: | |
1042 | len = 32; | |
1043 | break; | |
1da177e4 LT |
1044 | } |
1045 | expected = -EREMOTEIO; | |
1046 | break; | |
1047 | default: | |
28ffd79c | 1048 | ERROR(dev, "bogus number of ctrl queue testcases!\n"); |
1da177e4 LT |
1049 | context.status = -EINVAL; |
1050 | goto cleanup; | |
1051 | } | |
fabbf219 MF |
1052 | req.wLength = cpu_to_le16(len); |
1053 | urb[i] = u = simple_alloc_urb(udev, pipe, len); | |
1da177e4 LT |
1054 | if (!u) |
1055 | goto cleanup; | |
1056 | ||
0ede76fc | 1057 | reqp = kmalloc(sizeof *reqp, GFP_KERNEL); |
1da177e4 LT |
1058 | if (!reqp) |
1059 | goto cleanup; | |
1060 | reqp->setup = req; | |
1061 | reqp->number = i % NUM_SUBCASES; | |
1062 | reqp->expected = expected; | |
1063 | u->setup_packet = (char *) &reqp->setup; | |
1064 | ||
1065 | u->context = &context; | |
1066 | u->complete = ctrl_complete; | |
1da177e4 LT |
1067 | } |
1068 | ||
1069 | /* queue the urbs */ | |
1070 | context.urb = urb; | |
fabbf219 | 1071 | spin_lock_irq(&context.lock); |
1da177e4 | 1072 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 1073 | context.status = usb_submit_urb(urb[i], GFP_ATOMIC); |
1da177e4 | 1074 | if (context.status != 0) { |
28ffd79c | 1075 | ERROR(dev, "can't submit urb[%d], status %d\n", |
1da177e4 LT |
1076 | i, context.status); |
1077 | context.count = context.pending; | |
1078 | break; | |
1079 | } | |
1080 | context.pending++; | |
1081 | } | |
fabbf219 | 1082 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1083 | |
1084 | /* FIXME set timer and time out; provide a disconnect hook */ | |
1085 | ||
1086 | /* wait for the last one to complete */ | |
1087 | if (context.pending > 0) | |
fabbf219 | 1088 | wait_for_completion(&context.complete); |
1da177e4 LT |
1089 | |
1090 | cleanup: | |
1091 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1092 | if (!urb[i]) |
1da177e4 | 1093 | continue; |
fabbf219 | 1094 | urb[i]->dev = udev; |
0ede76fc | 1095 | kfree(urb[i]->setup_packet); |
fabbf219 | 1096 | simple_free_urb(urb[i]); |
1da177e4 | 1097 | } |
fabbf219 | 1098 | kfree(urb); |
1da177e4 LT |
1099 | return context.status; |
1100 | } | |
1101 | #undef NUM_SUBCASES | |
1102 | ||
1103 | ||
1104 | /*-------------------------------------------------------------------------*/ | |
1105 | ||
fabbf219 | 1106 | static void unlink1_callback(struct urb *urb) |
1da177e4 LT |
1107 | { |
1108 | int status = urb->status; | |
1109 | ||
fabbf219 | 1110 | /* we "know" -EPIPE (stall) never happens */ |
1da177e4 | 1111 | if (!status) |
fabbf219 | 1112 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1113 | if (status) { |
1114 | urb->status = status; | |
cdc97792 | 1115 | complete(urb->context); |
1da177e4 LT |
1116 | } |
1117 | } | |
1118 | ||
fabbf219 | 1119 | static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async) |
1da177e4 LT |
1120 | { |
1121 | struct urb *urb; | |
1122 | struct completion completion; | |
1123 | int retval = 0; | |
1124 | ||
fabbf219 MF |
1125 | init_completion(&completion); |
1126 | urb = simple_alloc_urb(testdev_to_usbdev(dev), pipe, size); | |
1da177e4 LT |
1127 | if (!urb) |
1128 | return -ENOMEM; | |
1da177e4 LT |
1129 | urb->context = &completion; |
1130 | urb->complete = unlink1_callback; | |
1131 | ||
1132 | /* keep the endpoint busy. there are lots of hc/hcd-internal | |
1133 | * states, and testing should get to all of them over time. | |
1134 | * | |
1135 | * FIXME want additional tests for when endpoint is STALLing | |
1136 | * due to errors, or is just NAKing requests. | |
1137 | */ | |
fabbf219 MF |
1138 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1139 | if (retval != 0) { | |
28ffd79c | 1140 | dev_err(&dev->intf->dev, "submit fail %d\n", retval); |
1da177e4 LT |
1141 | return retval; |
1142 | } | |
1143 | ||
1144 | /* unlinking that should always work. variable delay tests more | |
1145 | * hcd states and code paths, even with little other system load. | |
1146 | */ | |
fabbf219 | 1147 | msleep(jiffies % (2 * INTERRUPT_RATE)); |
1da177e4 | 1148 | if (async) { |
3b6c023f MF |
1149 | while (!completion_done(&completion)) { |
1150 | retval = usb_unlink_urb(urb); | |
1151 | ||
1152 | switch (retval) { | |
1153 | case -EBUSY: | |
1154 | case -EIDRM: | |
1155 | /* we can't unlink urbs while they're completing | |
1156 | * or if they've completed, and we haven't | |
1157 | * resubmitted. "normal" drivers would prevent | |
1158 | * resubmission, but since we're testing unlink | |
1159 | * paths, we can't. | |
1160 | */ | |
1161 | ERROR(dev, "unlink retry\n"); | |
1162 | continue; | |
1163 | case 0: | |
1164 | case -EINPROGRESS: | |
1165 | break; | |
1166 | ||
1167 | default: | |
1168 | dev_err(&dev->intf->dev, | |
1169 | "unlink fail %d\n", retval); | |
1170 | return retval; | |
1171 | } | |
1172 | ||
1173 | break; | |
1da177e4 LT |
1174 | } |
1175 | } else | |
fabbf219 | 1176 | usb_kill_urb(urb); |
1da177e4 | 1177 | |
fabbf219 | 1178 | wait_for_completion(&completion); |
1da177e4 | 1179 | retval = urb->status; |
fabbf219 | 1180 | simple_free_urb(urb); |
1da177e4 LT |
1181 | |
1182 | if (async) | |
1183 | return (retval == -ECONNRESET) ? 0 : retval - 1000; | |
1184 | else | |
1185 | return (retval == -ENOENT || retval == -EPERM) ? | |
1186 | 0 : retval - 2000; | |
1187 | } | |
1188 | ||
fabbf219 | 1189 | static int unlink_simple(struct usbtest_dev *dev, int pipe, int len) |
1da177e4 LT |
1190 | { |
1191 | int retval = 0; | |
1192 | ||
1193 | /* test sync and async paths */ | |
fabbf219 | 1194 | retval = unlink1(dev, pipe, len, 1); |
1da177e4 | 1195 | if (!retval) |
fabbf219 | 1196 | retval = unlink1(dev, pipe, len, 0); |
1da177e4 LT |
1197 | return retval; |
1198 | } | |
1199 | ||
1200 | /*-------------------------------------------------------------------------*/ | |
1201 | ||
869410f8 AS |
1202 | struct queued_ctx { |
1203 | struct completion complete; | |
1204 | atomic_t pending; | |
1205 | unsigned num; | |
1206 | int status; | |
1207 | struct urb **urbs; | |
1208 | }; | |
1209 | ||
1210 | static void unlink_queued_callback(struct urb *urb) | |
1211 | { | |
1212 | int status = urb->status; | |
1213 | struct queued_ctx *ctx = urb->context; | |
1214 | ||
1215 | if (ctx->status) | |
1216 | goto done; | |
1217 | if (urb == ctx->urbs[ctx->num - 4] || urb == ctx->urbs[ctx->num - 2]) { | |
1218 | if (status == -ECONNRESET) | |
1219 | goto done; | |
1220 | /* What error should we report if the URB completed normally? */ | |
1221 | } | |
1222 | if (status != 0) | |
1223 | ctx->status = status; | |
1224 | ||
1225 | done: | |
1226 | if (atomic_dec_and_test(&ctx->pending)) | |
1227 | complete(&ctx->complete); | |
1228 | } | |
1229 | ||
1230 | static int unlink_queued(struct usbtest_dev *dev, int pipe, unsigned num, | |
1231 | unsigned size) | |
1232 | { | |
1233 | struct queued_ctx ctx; | |
1234 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1235 | void *buf; | |
1236 | dma_addr_t buf_dma; | |
1237 | int i; | |
1238 | int retval = -ENOMEM; | |
1239 | ||
1240 | init_completion(&ctx.complete); | |
1241 | atomic_set(&ctx.pending, 1); /* One more than the actual value */ | |
1242 | ctx.num = num; | |
1243 | ctx.status = 0; | |
1244 | ||
1245 | buf = usb_alloc_coherent(udev, size, GFP_KERNEL, &buf_dma); | |
1246 | if (!buf) | |
1247 | return retval; | |
1248 | memset(buf, 0, size); | |
1249 | ||
1250 | /* Allocate and init the urbs we'll queue */ | |
1251 | ctx.urbs = kcalloc(num, sizeof(struct urb *), GFP_KERNEL); | |
1252 | if (!ctx.urbs) | |
1253 | goto free_buf; | |
1254 | for (i = 0; i < num; i++) { | |
1255 | ctx.urbs[i] = usb_alloc_urb(0, GFP_KERNEL); | |
1256 | if (!ctx.urbs[i]) | |
1257 | goto free_urbs; | |
1258 | usb_fill_bulk_urb(ctx.urbs[i], udev, pipe, buf, size, | |
1259 | unlink_queued_callback, &ctx); | |
1260 | ctx.urbs[i]->transfer_dma = buf_dma; | |
1261 | ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; | |
1262 | } | |
1263 | ||
1264 | /* Submit all the URBs and then unlink URBs num - 4 and num - 2. */ | |
1265 | for (i = 0; i < num; i++) { | |
1266 | atomic_inc(&ctx.pending); | |
1267 | retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL); | |
1268 | if (retval != 0) { | |
1269 | dev_err(&dev->intf->dev, "submit urbs[%d] fail %d\n", | |
1270 | i, retval); | |
1271 | atomic_dec(&ctx.pending); | |
1272 | ctx.status = retval; | |
1273 | break; | |
1274 | } | |
1275 | } | |
1276 | if (i == num) { | |
1277 | usb_unlink_urb(ctx.urbs[num - 4]); | |
1278 | usb_unlink_urb(ctx.urbs[num - 2]); | |
1279 | } else { | |
1280 | while (--i >= 0) | |
1281 | usb_unlink_urb(ctx.urbs[i]); | |
1282 | } | |
1283 | ||
1284 | if (atomic_dec_and_test(&ctx.pending)) /* The extra count */ | |
1285 | complete(&ctx.complete); | |
1286 | wait_for_completion(&ctx.complete); | |
1287 | retval = ctx.status; | |
1288 | ||
1289 | free_urbs: | |
1290 | for (i = 0; i < num; i++) | |
1291 | usb_free_urb(ctx.urbs[i]); | |
1292 | kfree(ctx.urbs); | |
1293 | free_buf: | |
1294 | usb_free_coherent(udev, size, buf, buf_dma); | |
1295 | return retval; | |
1296 | } | |
1297 | ||
1298 | /*-------------------------------------------------------------------------*/ | |
1299 | ||
28ffd79c | 1300 | static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1301 | { |
1302 | int retval; | |
1303 | u16 status; | |
1304 | ||
1305 | /* shouldn't look or act halted */ | |
fabbf219 | 1306 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1307 | if (retval < 0) { |
28ffd79c DB |
1308 | ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", |
1309 | ep, retval); | |
1da177e4 LT |
1310 | return retval; |
1311 | } | |
1312 | if (status != 0) { | |
28ffd79c | 1313 | ERROR(tdev, "ep %02x bogus status: %04x != 0\n", ep, status); |
1da177e4 LT |
1314 | return -EINVAL; |
1315 | } | |
28ffd79c | 1316 | retval = simple_io(tdev, urb, 1, 0, 0, __func__); |
1da177e4 LT |
1317 | if (retval != 0) |
1318 | return -EINVAL; | |
1319 | return 0; | |
1320 | } | |
1321 | ||
28ffd79c | 1322 | static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1323 | { |
1324 | int retval; | |
1325 | u16 status; | |
1326 | ||
1327 | /* should look and act halted */ | |
fabbf219 | 1328 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1329 | if (retval < 0) { |
28ffd79c DB |
1330 | ERROR(tdev, "ep %02x couldn't get halt status, %d\n", |
1331 | ep, retval); | |
1da177e4 LT |
1332 | return retval; |
1333 | } | |
6ce4560a | 1334 | le16_to_cpus(&status); |
1da177e4 | 1335 | if (status != 1) { |
28ffd79c | 1336 | ERROR(tdev, "ep %02x bogus status: %04x != 1\n", ep, status); |
1da177e4 LT |
1337 | return -EINVAL; |
1338 | } | |
28ffd79c | 1339 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__); |
1da177e4 LT |
1340 | if (retval != -EPIPE) |
1341 | return -EINVAL; | |
28ffd79c | 1342 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted"); |
1da177e4 LT |
1343 | if (retval != -EPIPE) |
1344 | return -EINVAL; | |
1345 | return 0; | |
1346 | } | |
1347 | ||
28ffd79c | 1348 | static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1349 | { |
1350 | int retval; | |
1351 | ||
1352 | /* shouldn't look or act halted now */ | |
28ffd79c | 1353 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1354 | if (retval < 0) |
1355 | return retval; | |
1356 | ||
1357 | /* set halt (protocol test only), verify it worked */ | |
fabbf219 | 1358 | retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0), |
1da177e4 LT |
1359 | USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, |
1360 | USB_ENDPOINT_HALT, ep, | |
1361 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
1362 | if (retval < 0) { | |
28ffd79c | 1363 | ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval); |
1da177e4 LT |
1364 | return retval; |
1365 | } | |
28ffd79c | 1366 | retval = verify_halted(tdev, ep, urb); |
1da177e4 LT |
1367 | if (retval < 0) |
1368 | return retval; | |
1369 | ||
1370 | /* clear halt (tests API + protocol), verify it worked */ | |
fabbf219 | 1371 | retval = usb_clear_halt(urb->dev, urb->pipe); |
1da177e4 | 1372 | if (retval < 0) { |
28ffd79c | 1373 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval); |
1da177e4 LT |
1374 | return retval; |
1375 | } | |
28ffd79c | 1376 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1377 | if (retval < 0) |
1378 | return retval; | |
1379 | ||
1380 | /* NOTE: could also verify SET_INTERFACE clear halts ... */ | |
1381 | ||
1382 | return 0; | |
1383 | } | |
1384 | ||
fabbf219 | 1385 | static int halt_simple(struct usbtest_dev *dev) |
1da177e4 LT |
1386 | { |
1387 | int ep; | |
1388 | int retval = 0; | |
1389 | struct urb *urb; | |
1390 | ||
fabbf219 | 1391 | urb = simple_alloc_urb(testdev_to_usbdev(dev), 0, 512); |
1da177e4 LT |
1392 | if (urb == NULL) |
1393 | return -ENOMEM; | |
1394 | ||
1395 | if (dev->in_pipe) { | |
fabbf219 | 1396 | ep = usb_pipeendpoint(dev->in_pipe) | USB_DIR_IN; |
1da177e4 | 1397 | urb->pipe = dev->in_pipe; |
28ffd79c | 1398 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1399 | if (retval < 0) |
1400 | goto done; | |
1401 | } | |
1402 | ||
1403 | if (dev->out_pipe) { | |
fabbf219 | 1404 | ep = usb_pipeendpoint(dev->out_pipe); |
1da177e4 | 1405 | urb->pipe = dev->out_pipe; |
28ffd79c | 1406 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1407 | } |
1408 | done: | |
fabbf219 | 1409 | simple_free_urb(urb); |
1da177e4 LT |
1410 | return retval; |
1411 | } | |
1412 | ||
1413 | /*-------------------------------------------------------------------------*/ | |
1414 | ||
1415 | /* Control OUT tests use the vendor control requests from Intel's | |
1416 | * USB 2.0 compliance test device: write a buffer, read it back. | |
1417 | * | |
1418 | * Intel's spec only _requires_ that it work for one packet, which | |
1419 | * is pretty weak. Some HCDs place limits here; most devices will | |
1420 | * need to be able to handle more than one OUT data packet. We'll | |
1421 | * try whatever we're told to try. | |
1422 | */ | |
fabbf219 | 1423 | static int ctrl_out(struct usbtest_dev *dev, |
084fb206 | 1424 | unsigned count, unsigned length, unsigned vary, unsigned offset) |
1da177e4 | 1425 | { |
f54fa84d OF |
1426 | unsigned i, j, len; |
1427 | int retval; | |
1da177e4 LT |
1428 | u8 *buf; |
1429 | char *what = "?"; | |
1430 | struct usb_device *udev; | |
f54fa84d | 1431 | |
ff7c79e4 | 1432 | if (length < 1 || length > 0xffff || vary >= length) |
1da177e4 LT |
1433 | return -EINVAL; |
1434 | ||
084fb206 | 1435 | buf = kmalloc(length + offset, GFP_KERNEL); |
1da177e4 LT |
1436 | if (!buf) |
1437 | return -ENOMEM; | |
1438 | ||
084fb206 | 1439 | buf += offset; |
fabbf219 | 1440 | udev = testdev_to_usbdev(dev); |
1da177e4 LT |
1441 | len = length; |
1442 | retval = 0; | |
1443 | ||
1444 | /* NOTE: hardware might well act differently if we pushed it | |
1445 | * with lots back-to-back queued requests. | |
1446 | */ | |
1447 | for (i = 0; i < count; i++) { | |
1448 | /* write patterned data */ | |
1449 | for (j = 0; j < len; j++) | |
fabbf219 MF |
1450 | buf[j] = i + j; |
1451 | retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
1da177e4 LT |
1452 | 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, |
1453 | 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); | |
1454 | if (retval != len) { | |
1455 | what = "write"; | |
ff7c79e4 | 1456 | if (retval >= 0) { |
28ffd79c | 1457 | ERROR(dev, "ctrl_out, wlen %d (expected %d)\n", |
ff7c79e4 DB |
1458 | retval, len); |
1459 | retval = -EBADMSG; | |
1460 | } | |
1da177e4 LT |
1461 | break; |
1462 | } | |
1463 | ||
1464 | /* read it back -- assuming nothing intervened!! */ | |
fabbf219 | 1465 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
1466 | 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, |
1467 | 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); | |
1468 | if (retval != len) { | |
1469 | what = "read"; | |
ff7c79e4 | 1470 | if (retval >= 0) { |
28ffd79c | 1471 | ERROR(dev, "ctrl_out, rlen %d (expected %d)\n", |
ff7c79e4 DB |
1472 | retval, len); |
1473 | retval = -EBADMSG; | |
1474 | } | |
1da177e4 LT |
1475 | break; |
1476 | } | |
1477 | ||
1478 | /* fail if we can't verify */ | |
1479 | for (j = 0; j < len; j++) { | |
fabbf219 | 1480 | if (buf[j] != (u8) (i + j)) { |
28ffd79c | 1481 | ERROR(dev, "ctrl_out, byte %d is %d not %d\n", |
fabbf219 | 1482 | j, buf[j], (u8) i + j); |
1da177e4 LT |
1483 | retval = -EBADMSG; |
1484 | break; | |
1485 | } | |
1486 | } | |
1487 | if (retval < 0) { | |
1488 | what = "verify"; | |
1489 | break; | |
1490 | } | |
1491 | ||
1492 | len += vary; | |
ff7c79e4 DB |
1493 | |
1494 | /* [real world] the "zero bytes IN" case isn't really used. | |
dc0d5c1e | 1495 | * hardware can easily trip up in this weird case, since its |
ff7c79e4 DB |
1496 | * status stage is IN, not OUT like other ep0in transfers. |
1497 | */ | |
1da177e4 | 1498 | if (len > length) |
ff7c79e4 | 1499 | len = realworld ? 1 : 0; |
1da177e4 LT |
1500 | } |
1501 | ||
1502 | if (retval < 0) | |
fabbf219 | 1503 | ERROR(dev, "ctrl_out %s failed, code %d, count %d\n", |
1da177e4 LT |
1504 | what, retval, i); |
1505 | ||
084fb206 | 1506 | kfree(buf - offset); |
1da177e4 LT |
1507 | return retval; |
1508 | } | |
1509 | ||
1510 | /*-------------------------------------------------------------------------*/ | |
1511 | ||
1512 | /* ISO tests ... mimics common usage | |
1513 | * - buffer length is split into N packets (mostly maxpacket sized) | |
1514 | * - multi-buffers according to sglen | |
1515 | */ | |
1516 | ||
1517 | struct iso_context { | |
1518 | unsigned count; | |
1519 | unsigned pending; | |
1520 | spinlock_t lock; | |
1521 | struct completion done; | |
9da2150f | 1522 | int submit_error; |
1da177e4 | 1523 | unsigned long errors; |
9da2150f | 1524 | unsigned long packet_count; |
1da177e4 LT |
1525 | struct usbtest_dev *dev; |
1526 | }; | |
1527 | ||
fabbf219 | 1528 | static void iso_callback(struct urb *urb) |
1da177e4 LT |
1529 | { |
1530 | struct iso_context *ctx = urb->context; | |
1531 | ||
1532 | spin_lock(&ctx->lock); | |
1533 | ctx->count--; | |
1534 | ||
9da2150f | 1535 | ctx->packet_count += urb->number_of_packets; |
1da177e4 LT |
1536 | if (urb->error_count > 0) |
1537 | ctx->errors += urb->error_count; | |
9da2150f AS |
1538 | else if (urb->status != 0) |
1539 | ctx->errors += urb->number_of_packets; | |
40aed524 MF |
1540 | else if (urb->actual_length != urb->transfer_buffer_length) |
1541 | ctx->errors++; | |
084fb206 MF |
1542 | else if (check_guard_bytes(ctx->dev, urb) != 0) |
1543 | ctx->errors++; | |
1da177e4 | 1544 | |
9da2150f AS |
1545 | if (urb->status == 0 && ctx->count > (ctx->pending - 1) |
1546 | && !ctx->submit_error) { | |
fabbf219 | 1547 | int status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1548 | switch (status) { |
1549 | case 0: | |
1550 | goto done; | |
1551 | default: | |
28ffd79c | 1552 | dev_err(&ctx->dev->intf->dev, |
1da177e4 LT |
1553 | "iso resubmit err %d\n", |
1554 | status); | |
1555 | /* FALLTHROUGH */ | |
1556 | case -ENODEV: /* disconnected */ | |
9da2150f AS |
1557 | case -ESHUTDOWN: /* endpoint disabled */ |
1558 | ctx->submit_error = 1; | |
1da177e4 LT |
1559 | break; |
1560 | } | |
1561 | } | |
1da177e4 LT |
1562 | |
1563 | ctx->pending--; | |
1564 | if (ctx->pending == 0) { | |
1565 | if (ctx->errors) | |
28ffd79c | 1566 | dev_err(&ctx->dev->intf->dev, |
9da2150f AS |
1567 | "iso test, %lu errors out of %lu\n", |
1568 | ctx->errors, ctx->packet_count); | |
fabbf219 | 1569 | complete(&ctx->done); |
1da177e4 LT |
1570 | } |
1571 | done: | |
1572 | spin_unlock(&ctx->lock); | |
1573 | } | |
1574 | ||
fabbf219 | 1575 | static struct urb *iso_alloc_urb( |
1da177e4 LT |
1576 | struct usb_device *udev, |
1577 | int pipe, | |
1578 | struct usb_endpoint_descriptor *desc, | |
084fb206 MF |
1579 | long bytes, |
1580 | unsigned offset | |
1da177e4 LT |
1581 | ) |
1582 | { | |
1583 | struct urb *urb; | |
1584 | unsigned i, maxp, packets; | |
1585 | ||
1586 | if (bytes < 0 || !desc) | |
1587 | return NULL; | |
1588 | maxp = 0x7ff & le16_to_cpu(desc->wMaxPacketSize); | |
1589 | maxp *= 1 + (0x3 & (le16_to_cpu(desc->wMaxPacketSize) >> 11)); | |
dfa5ec79 | 1590 | packets = DIV_ROUND_UP(bytes, maxp); |
1da177e4 | 1591 | |
fabbf219 | 1592 | urb = usb_alloc_urb(packets, GFP_KERNEL); |
1da177e4 LT |
1593 | if (!urb) |
1594 | return urb; | |
1595 | urb->dev = udev; | |
1596 | urb->pipe = pipe; | |
1597 | ||
1598 | urb->number_of_packets = packets; | |
1599 | urb->transfer_buffer_length = bytes; | |
084fb206 MF |
1600 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, |
1601 | GFP_KERNEL, | |
1602 | &urb->transfer_dma); | |
1da177e4 | 1603 | if (!urb->transfer_buffer) { |
fabbf219 | 1604 | usb_free_urb(urb); |
1da177e4 LT |
1605 | return NULL; |
1606 | } | |
084fb206 MF |
1607 | if (offset) { |
1608 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
1609 | urb->transfer_buffer += offset; | |
1610 | urb->transfer_dma += offset; | |
1611 | } | |
1612 | /* For inbound transfers use guard byte so that test fails if | |
1613 | data not correctly copied */ | |
1614 | memset(urb->transfer_buffer, | |
1615 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
1616 | bytes); | |
1617 | ||
1da177e4 LT |
1618 | for (i = 0; i < packets; i++) { |
1619 | /* here, only the last packet will be short */ | |
fabbf219 | 1620 | urb->iso_frame_desc[i].length = min((unsigned) bytes, maxp); |
1da177e4 LT |
1621 | bytes -= urb->iso_frame_desc[i].length; |
1622 | ||
1623 | urb->iso_frame_desc[i].offset = maxp * i; | |
1624 | } | |
1625 | ||
1626 | urb->complete = iso_callback; | |
fabbf219 | 1627 | /* urb->context = SET BY CALLER */ |
1da177e4 LT |
1628 | urb->interval = 1 << (desc->bInterval - 1); |
1629 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; | |
1630 | return urb; | |
1631 | } | |
1632 | ||
1633 | static int | |
fabbf219 | 1634 | test_iso_queue(struct usbtest_dev *dev, struct usbtest_param *param, |
084fb206 | 1635 | int pipe, struct usb_endpoint_descriptor *desc, unsigned offset) |
1da177e4 LT |
1636 | { |
1637 | struct iso_context context; | |
1638 | struct usb_device *udev; | |
1639 | unsigned i; | |
1640 | unsigned long packets = 0; | |
9da2150f | 1641 | int status = 0; |
1da177e4 LT |
1642 | struct urb *urbs[10]; /* FIXME no limit */ |
1643 | ||
1644 | if (param->sglen > 10) | |
1645 | return -EDOM; | |
1646 | ||
9da2150f | 1647 | memset(&context, 0, sizeof context); |
1da177e4 | 1648 | context.count = param->iterations * param->sglen; |
1da177e4 | 1649 | context.dev = dev; |
fabbf219 MF |
1650 | init_completion(&context.done); |
1651 | spin_lock_init(&context.lock); | |
1da177e4 | 1652 | |
fabbf219 MF |
1653 | memset(urbs, 0, sizeof urbs); |
1654 | udev = testdev_to_usbdev(dev); | |
28ffd79c | 1655 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1656 | "... iso period %d %sframes, wMaxPacket %04x\n", |
1657 | 1 << (desc->bInterval - 1), | |
1658 | (udev->speed == USB_SPEED_HIGH) ? "micro" : "", | |
1659 | le16_to_cpu(desc->wMaxPacketSize)); | |
1660 | ||
1661 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1662 | urbs[i] = iso_alloc_urb(udev, pipe, desc, |
084fb206 | 1663 | param->length, offset); |
fabbf219 | 1664 | if (!urbs[i]) { |
1da177e4 LT |
1665 | status = -ENOMEM; |
1666 | goto fail; | |
1667 | } | |
1668 | packets += urbs[i]->number_of_packets; | |
fabbf219 | 1669 | urbs[i]->context = &context; |
1da177e4 LT |
1670 | } |
1671 | packets *= param->iterations; | |
28ffd79c | 1672 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1673 | "... total %lu msec (%lu packets)\n", |
1674 | (packets * (1 << (desc->bInterval - 1))) | |
1675 | / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), | |
1676 | packets); | |
1677 | ||
fabbf219 | 1678 | spin_lock_irq(&context.lock); |
1da177e4 | 1679 | for (i = 0; i < param->sglen; i++) { |
9da2150f | 1680 | ++context.pending; |
fabbf219 | 1681 | status = usb_submit_urb(urbs[i], GFP_ATOMIC); |
1da177e4 | 1682 | if (status < 0) { |
fabbf219 | 1683 | ERROR(dev, "submit iso[%d], error %d\n", i, status); |
1da177e4 | 1684 | if (i == 0) { |
fabbf219 | 1685 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1686 | goto fail; |
1687 | } | |
1688 | ||
fabbf219 | 1689 | simple_free_urb(urbs[i]); |
e10e1bec | 1690 | urbs[i] = NULL; |
1da177e4 | 1691 | context.pending--; |
9da2150f AS |
1692 | context.submit_error = 1; |
1693 | break; | |
1da177e4 LT |
1694 | } |
1695 | } | |
fabbf219 | 1696 | spin_unlock_irq(&context.lock); |
1da177e4 | 1697 | |
fabbf219 | 1698 | wait_for_completion(&context.done); |
9da2150f | 1699 | |
e10e1bec ML |
1700 | for (i = 0; i < param->sglen; i++) { |
1701 | if (urbs[i]) | |
1702 | simple_free_urb(urbs[i]); | |
1703 | } | |
9da2150f AS |
1704 | /* |
1705 | * Isochronous transfers are expected to fail sometimes. As an | |
1706 | * arbitrary limit, we will report an error if any submissions | |
1707 | * fail or if the transfer failure rate is > 10%. | |
1708 | */ | |
1709 | if (status != 0) | |
1710 | ; | |
1711 | else if (context.submit_error) | |
1712 | status = -EACCES; | |
1713 | else if (context.errors > context.packet_count / 10) | |
1714 | status = -EIO; | |
1715 | return status; | |
1da177e4 LT |
1716 | |
1717 | fail: | |
1718 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 MF |
1719 | if (urbs[i]) |
1720 | simple_free_urb(urbs[i]); | |
1da177e4 LT |
1721 | } |
1722 | return status; | |
1723 | } | |
1724 | ||
084fb206 MF |
1725 | static int test_unaligned_bulk( |
1726 | struct usbtest_dev *tdev, | |
1727 | int pipe, | |
1728 | unsigned length, | |
1729 | int iterations, | |
1730 | unsigned transfer_flags, | |
1731 | const char *label) | |
1732 | { | |
1733 | int retval; | |
1734 | struct urb *urb = usbtest_alloc_urb( | |
1735 | testdev_to_usbdev(tdev), pipe, length, transfer_flags, 1); | |
1736 | ||
1737 | if (!urb) | |
1738 | return -ENOMEM; | |
1739 | ||
1740 | retval = simple_io(tdev, urb, iterations, 0, 0, label); | |
1741 | simple_free_urb(urb); | |
1742 | return retval; | |
1743 | } | |
1744 | ||
1da177e4 LT |
1745 | /*-------------------------------------------------------------------------*/ |
1746 | ||
1747 | /* We only have this one interface to user space, through usbfs. | |
1748 | * User mode code can scan usbfs to find N different devices (maybe on | |
1749 | * different busses) to use when testing, and allocate one thread per | |
1750 | * test. So discovery is simplified, and we have no device naming issues. | |
1751 | * | |
1752 | * Don't use these only as stress/load tests. Use them along with with | |
1753 | * other USB bus activity: plugging, unplugging, mousing, mp3 playback, | |
1754 | * video capture, and so on. Run different tests at different times, in | |
1755 | * different sequences. Nothing here should interact with other devices, | |
1756 | * except indirectly by consuming USB bandwidth and CPU resources for test | |
1757 | * threads and request completion. But the only way to know that for sure | |
1758 | * is to test when HC queues are in use by many devices. | |
28ffd79c DB |
1759 | * |
1760 | * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(), | |
1761 | * it locks out usbcore in certain code paths. Notably, if you disconnect | |
1762 | * the device-under-test, khubd will wait block forever waiting for the | |
1763 | * ioctl to complete ... so that usb_disconnect() can abort the pending | |
1764 | * urbs and then call usbtest_disconnect(). To abort a test, you're best | |
1765 | * off just killing the userspace task and waiting for it to exit. | |
1da177e4 LT |
1766 | */ |
1767 | ||
c532b29a | 1768 | /* No BKL needed */ |
1da177e4 | 1769 | static int |
fabbf219 | 1770 | usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) |
1da177e4 | 1771 | { |
fabbf219 MF |
1772 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1773 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1da177e4 LT |
1774 | struct usbtest_param *param = buf; |
1775 | int retval = -EOPNOTSUPP; | |
1776 | struct urb *urb; | |
1777 | struct scatterlist *sg; | |
1778 | struct usb_sg_request req; | |
1779 | struct timeval start; | |
1780 | unsigned i; | |
1781 | ||
fabbf219 | 1782 | /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */ |
1da177e4 | 1783 | |
7f4e9854 VP |
1784 | pattern = mod_pattern; |
1785 | ||
1da177e4 LT |
1786 | if (code != USBTEST_REQUEST) |
1787 | return -EOPNOTSUPP; | |
1788 | ||
8aafdf6a | 1789 | if (param->iterations <= 0) |
1da177e4 LT |
1790 | return -EINVAL; |
1791 | ||
1cfab028 | 1792 | if (mutex_lock_interruptible(&dev->lock)) |
1da177e4 LT |
1793 | return -ERESTARTSYS; |
1794 | ||
70a1c9e0 | 1795 | /* FIXME: What if a system sleep starts while a test is running? */ |
ff7c79e4 | 1796 | |
1da177e4 LT |
1797 | /* some devices, like ez-usb default devices, need a non-default |
1798 | * altsetting to have any active endpoints. some tests change | |
1799 | * altsettings; force a default so most tests don't need to check. | |
1800 | */ | |
1801 | if (dev->info->alt >= 0) { | |
28ffd79c | 1802 | int res; |
1da177e4 LT |
1803 | |
1804 | if (intf->altsetting->desc.bInterfaceNumber) { | |
1cfab028 | 1805 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1806 | return -ENODEV; |
1807 | } | |
fabbf219 | 1808 | res = set_altsetting(dev, dev->info->alt); |
1da177e4 | 1809 | if (res) { |
fabbf219 | 1810 | dev_err(&intf->dev, |
1da177e4 LT |
1811 | "set altsetting to %d failed, %d\n", |
1812 | dev->info->alt, res); | |
1cfab028 | 1813 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1814 | return res; |
1815 | } | |
1816 | } | |
1817 | ||
1818 | /* | |
1819 | * Just a bunch of test cases that every HCD is expected to handle. | |
1820 | * | |
1821 | * Some may need specific firmware, though it'd be good to have | |
1822 | * one firmware image to handle all the test cases. | |
1823 | * | |
1824 | * FIXME add more tests! cancel requests, verify the data, control | |
1825 | * queueing, concurrent read+write threads, and so on. | |
1826 | */ | |
fabbf219 | 1827 | do_gettimeofday(&start); |
1da177e4 LT |
1828 | switch (param->test_num) { |
1829 | ||
1830 | case 0: | |
28ffd79c | 1831 | dev_info(&intf->dev, "TEST 0: NOP\n"); |
1da177e4 LT |
1832 | retval = 0; |
1833 | break; | |
1834 | ||
1835 | /* Simple non-queued bulk I/O tests */ | |
1836 | case 1: | |
1837 | if (dev->out_pipe == 0) | |
1838 | break; | |
28ffd79c | 1839 | dev_info(&intf->dev, |
1da177e4 LT |
1840 | "TEST 1: write %d bytes %u times\n", |
1841 | param->length, param->iterations); | |
fabbf219 | 1842 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
1843 | if (!urb) { |
1844 | retval = -ENOMEM; | |
1845 | break; | |
1846 | } | |
fabbf219 | 1847 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1848 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test1"); |
fabbf219 | 1849 | simple_free_urb(urb); |
1da177e4 LT |
1850 | break; |
1851 | case 2: | |
1852 | if (dev->in_pipe == 0) | |
1853 | break; | |
28ffd79c | 1854 | dev_info(&intf->dev, |
1da177e4 LT |
1855 | "TEST 2: read %d bytes %u times\n", |
1856 | param->length, param->iterations); | |
fabbf219 | 1857 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
1858 | if (!urb) { |
1859 | retval = -ENOMEM; | |
1860 | break; | |
1861 | } | |
fabbf219 | 1862 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1863 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test2"); |
fabbf219 | 1864 | simple_free_urb(urb); |
1da177e4 LT |
1865 | break; |
1866 | case 3: | |
1867 | if (dev->out_pipe == 0 || param->vary == 0) | |
1868 | break; | |
28ffd79c | 1869 | dev_info(&intf->dev, |
1da177e4 LT |
1870 | "TEST 3: write/%d 0..%d bytes %u times\n", |
1871 | param->vary, param->length, param->iterations); | |
fabbf219 | 1872 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
1873 | if (!urb) { |
1874 | retval = -ENOMEM; | |
1875 | break; | |
1876 | } | |
fabbf219 | 1877 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1878 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 1879 | 0, "test3"); |
fabbf219 | 1880 | simple_free_urb(urb); |
1da177e4 LT |
1881 | break; |
1882 | case 4: | |
1883 | if (dev->in_pipe == 0 || param->vary == 0) | |
1884 | break; | |
28ffd79c | 1885 | dev_info(&intf->dev, |
1da177e4 LT |
1886 | "TEST 4: read/%d 0..%d bytes %u times\n", |
1887 | param->vary, param->length, param->iterations); | |
fabbf219 | 1888 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
1889 | if (!urb) { |
1890 | retval = -ENOMEM; | |
1891 | break; | |
1892 | } | |
fabbf219 | 1893 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1894 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 1895 | 0, "test4"); |
fabbf219 | 1896 | simple_free_urb(urb); |
1da177e4 LT |
1897 | break; |
1898 | ||
1899 | /* Queued bulk I/O tests */ | |
1900 | case 5: | |
1901 | if (dev->out_pipe == 0 || param->sglen == 0) | |
1902 | break; | |
28ffd79c | 1903 | dev_info(&intf->dev, |
1da177e4 LT |
1904 | "TEST 5: write %d sglists %d entries of %d bytes\n", |
1905 | param->iterations, | |
1906 | param->sglen, param->length); | |
fabbf219 | 1907 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
1908 | if (!sg) { |
1909 | retval = -ENOMEM; | |
1910 | break; | |
1911 | } | |
fabbf219 | 1912 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1913 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 1914 | &req, sg, param->sglen); |
fabbf219 | 1915 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1916 | break; |
1917 | ||
1918 | case 6: | |
1919 | if (dev->in_pipe == 0 || param->sglen == 0) | |
1920 | break; | |
28ffd79c | 1921 | dev_info(&intf->dev, |
1da177e4 LT |
1922 | "TEST 6: read %d sglists %d entries of %d bytes\n", |
1923 | param->iterations, | |
1924 | param->sglen, param->length); | |
fabbf219 | 1925 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
1926 | if (!sg) { |
1927 | retval = -ENOMEM; | |
1928 | break; | |
1929 | } | |
fabbf219 | 1930 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1931 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 1932 | &req, sg, param->sglen); |
fabbf219 | 1933 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1934 | break; |
1935 | case 7: | |
1936 | if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
1937 | break; | |
28ffd79c | 1938 | dev_info(&intf->dev, |
1da177e4 LT |
1939 | "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", |
1940 | param->vary, param->iterations, | |
1941 | param->sglen, param->length); | |
fabbf219 | 1942 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
1943 | if (!sg) { |
1944 | retval = -ENOMEM; | |
1945 | break; | |
1946 | } | |
fabbf219 | 1947 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1948 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 1949 | &req, sg, param->sglen); |
fabbf219 | 1950 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1951 | break; |
1952 | case 8: | |
1953 | if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
1954 | break; | |
28ffd79c | 1955 | dev_info(&intf->dev, |
1da177e4 LT |
1956 | "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", |
1957 | param->vary, param->iterations, | |
1958 | param->sglen, param->length); | |
fabbf219 | 1959 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
1960 | if (!sg) { |
1961 | retval = -ENOMEM; | |
1962 | break; | |
1963 | } | |
fabbf219 | 1964 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1965 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 1966 | &req, sg, param->sglen); |
fabbf219 | 1967 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1968 | break; |
1969 | ||
1970 | /* non-queued sanity tests for control (chapter 9 subset) */ | |
1971 | case 9: | |
1972 | retval = 0; | |
28ffd79c | 1973 | dev_info(&intf->dev, |
1da177e4 LT |
1974 | "TEST 9: ch9 (subset) control tests, %d times\n", |
1975 | param->iterations); | |
1976 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 1977 | retval = ch9_postconfig(dev); |
1da177e4 | 1978 | if (retval) |
28ffd79c DB |
1979 | dev_err(&intf->dev, "ch9 subset failed, " |
1980 | "iterations left %d\n", i); | |
1da177e4 LT |
1981 | break; |
1982 | ||
1983 | /* queued control messaging */ | |
1984 | case 10: | |
1985 | if (param->sglen == 0) | |
1986 | break; | |
1987 | retval = 0; | |
28ffd79c | 1988 | dev_info(&intf->dev, |
1da177e4 LT |
1989 | "TEST 10: queue %d control calls, %d times\n", |
1990 | param->sglen, | |
1991 | param->iterations); | |
fabbf219 | 1992 | retval = test_ctrl_queue(dev, param); |
1da177e4 LT |
1993 | break; |
1994 | ||
1995 | /* simple non-queued unlinks (ring with one urb) */ | |
1996 | case 11: | |
1997 | if (dev->in_pipe == 0 || !param->length) | |
1998 | break; | |
1999 | retval = 0; | |
28ffd79c | 2000 | dev_info(&intf->dev, "TEST 11: unlink %d reads of %d\n", |
1da177e4 LT |
2001 | param->iterations, param->length); |
2002 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2003 | retval = unlink_simple(dev, dev->in_pipe, |
1da177e4 LT |
2004 | param->length); |
2005 | if (retval) | |
28ffd79c | 2006 | dev_err(&intf->dev, "unlink reads failed %d, " |
1da177e4 LT |
2007 | "iterations left %d\n", retval, i); |
2008 | break; | |
2009 | case 12: | |
2010 | if (dev->out_pipe == 0 || !param->length) | |
2011 | break; | |
2012 | retval = 0; | |
28ffd79c | 2013 | dev_info(&intf->dev, "TEST 12: unlink %d writes of %d\n", |
1da177e4 LT |
2014 | param->iterations, param->length); |
2015 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2016 | retval = unlink_simple(dev, dev->out_pipe, |
1da177e4 LT |
2017 | param->length); |
2018 | if (retval) | |
28ffd79c | 2019 | dev_err(&intf->dev, "unlink writes failed %d, " |
1da177e4 LT |
2020 | "iterations left %d\n", retval, i); |
2021 | break; | |
2022 | ||
2023 | /* ep halt tests */ | |
2024 | case 13: | |
2025 | if (dev->out_pipe == 0 && dev->in_pipe == 0) | |
2026 | break; | |
2027 | retval = 0; | |
28ffd79c | 2028 | dev_info(&intf->dev, "TEST 13: set/clear %d halts\n", |
1da177e4 LT |
2029 | param->iterations); |
2030 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2031 | retval = halt_simple(dev); |
28ffd79c | 2032 | |
1da177e4 | 2033 | if (retval) |
28ffd79c | 2034 | ERROR(dev, "halts failed, iterations left %d\n", i); |
1da177e4 LT |
2035 | break; |
2036 | ||
2037 | /* control write tests */ | |
2038 | case 14: | |
2039 | if (!dev->info->ctrl_out) | |
2040 | break; | |
28ffd79c | 2041 | dev_info(&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", |
ff7c79e4 DB |
2042 | param->iterations, |
2043 | realworld ? 1 : 0, param->length, | |
2044 | param->vary); | |
28ffd79c | 2045 | retval = ctrl_out(dev, param->iterations, |
084fb206 | 2046 | param->length, param->vary, 0); |
1da177e4 LT |
2047 | break; |
2048 | ||
2049 | /* iso write tests */ | |
2050 | case 15: | |
2051 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2052 | break; | |
28ffd79c | 2053 | dev_info(&intf->dev, |
1da177e4 LT |
2054 | "TEST 15: write %d iso, %d entries of %d bytes\n", |
2055 | param->iterations, | |
2056 | param->sglen, param->length); | |
fabbf219 MF |
2057 | /* FIRMWARE: iso sink */ |
2058 | retval = test_iso_queue(dev, param, | |
084fb206 | 2059 | dev->out_iso_pipe, dev->iso_out, 0); |
1da177e4 LT |
2060 | break; |
2061 | ||
2062 | /* iso read tests */ | |
2063 | case 16: | |
2064 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2065 | break; | |
28ffd79c | 2066 | dev_info(&intf->dev, |
1da177e4 LT |
2067 | "TEST 16: read %d iso, %d entries of %d bytes\n", |
2068 | param->iterations, | |
2069 | param->sglen, param->length); | |
fabbf219 MF |
2070 | /* FIRMWARE: iso source */ |
2071 | retval = test_iso_queue(dev, param, | |
084fb206 | 2072 | dev->in_iso_pipe, dev->iso_in, 0); |
1da177e4 LT |
2073 | break; |
2074 | ||
fabbf219 | 2075 | /* FIXME scatterlist cancel (needs helper thread) */ |
1da177e4 | 2076 | |
084fb206 MF |
2077 | /* Tests for bulk I/O using DMA mapping by core and odd address */ |
2078 | case 17: | |
2079 | if (dev->out_pipe == 0) | |
2080 | break; | |
2081 | dev_info(&intf->dev, | |
2082 | "TEST 17: write odd addr %d bytes %u times core map\n", | |
2083 | param->length, param->iterations); | |
2084 | ||
2085 | retval = test_unaligned_bulk( | |
2086 | dev, dev->out_pipe, | |
2087 | param->length, param->iterations, | |
2088 | 0, "test17"); | |
2089 | break; | |
2090 | ||
2091 | case 18: | |
2092 | if (dev->in_pipe == 0) | |
2093 | break; | |
2094 | dev_info(&intf->dev, | |
2095 | "TEST 18: read odd addr %d bytes %u times core map\n", | |
2096 | param->length, param->iterations); | |
2097 | ||
2098 | retval = test_unaligned_bulk( | |
2099 | dev, dev->in_pipe, | |
2100 | param->length, param->iterations, | |
2101 | 0, "test18"); | |
2102 | break; | |
2103 | ||
2104 | /* Tests for bulk I/O using premapped coherent buffer and odd address */ | |
2105 | case 19: | |
2106 | if (dev->out_pipe == 0) | |
2107 | break; | |
2108 | dev_info(&intf->dev, | |
2109 | "TEST 19: write odd addr %d bytes %u times premapped\n", | |
2110 | param->length, param->iterations); | |
2111 | ||
2112 | retval = test_unaligned_bulk( | |
2113 | dev, dev->out_pipe, | |
2114 | param->length, param->iterations, | |
2115 | URB_NO_TRANSFER_DMA_MAP, "test19"); | |
2116 | break; | |
2117 | ||
2118 | case 20: | |
2119 | if (dev->in_pipe == 0) | |
2120 | break; | |
2121 | dev_info(&intf->dev, | |
2122 | "TEST 20: read odd addr %d bytes %u times premapped\n", | |
2123 | param->length, param->iterations); | |
2124 | ||
2125 | retval = test_unaligned_bulk( | |
2126 | dev, dev->in_pipe, | |
2127 | param->length, param->iterations, | |
2128 | URB_NO_TRANSFER_DMA_MAP, "test20"); | |
2129 | break; | |
2130 | ||
2131 | /* control write tests with unaligned buffer */ | |
2132 | case 21: | |
2133 | if (!dev->info->ctrl_out) | |
2134 | break; | |
2135 | dev_info(&intf->dev, | |
2136 | "TEST 21: %d ep0out odd addr, %d..%d vary %d\n", | |
2137 | param->iterations, | |
2138 | realworld ? 1 : 0, param->length, | |
2139 | param->vary); | |
2140 | retval = ctrl_out(dev, param->iterations, | |
2141 | param->length, param->vary, 1); | |
2142 | break; | |
2143 | ||
2144 | /* unaligned iso tests */ | |
2145 | case 22: | |
2146 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2147 | break; | |
2148 | dev_info(&intf->dev, | |
2149 | "TEST 22: write %d iso odd, %d entries of %d bytes\n", | |
2150 | param->iterations, | |
2151 | param->sglen, param->length); | |
2152 | retval = test_iso_queue(dev, param, | |
2153 | dev->out_iso_pipe, dev->iso_out, 1); | |
2154 | break; | |
2155 | ||
2156 | case 23: | |
2157 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2158 | break; | |
2159 | dev_info(&intf->dev, | |
2160 | "TEST 23: read %d iso odd, %d entries of %d bytes\n", | |
2161 | param->iterations, | |
2162 | param->sglen, param->length); | |
2163 | retval = test_iso_queue(dev, param, | |
2164 | dev->in_iso_pipe, dev->iso_in, 1); | |
2165 | break; | |
2166 | ||
869410f8 AS |
2167 | /* unlink URBs from a bulk-OUT queue */ |
2168 | case 24: | |
2169 | if (dev->out_pipe == 0 || !param->length || param->sglen < 4) | |
2170 | break; | |
2171 | retval = 0; | |
2172 | dev_info(&intf->dev, "TEST 17: unlink from %d queues of " | |
2173 | "%d %d-byte writes\n", | |
2174 | param->iterations, param->sglen, param->length); | |
2175 | for (i = param->iterations; retval == 0 && i > 0; --i) { | |
2176 | retval = unlink_queued(dev, dev->out_pipe, | |
2177 | param->sglen, param->length); | |
2178 | if (retval) { | |
2179 | dev_err(&intf->dev, | |
2180 | "unlink queued writes failed %d, " | |
2181 | "iterations left %d\n", retval, i); | |
2182 | break; | |
2183 | } | |
2184 | } | |
2185 | break; | |
2186 | ||
1da177e4 | 2187 | } |
fabbf219 | 2188 | do_gettimeofday(¶m->duration); |
1da177e4 LT |
2189 | param->duration.tv_sec -= start.tv_sec; |
2190 | param->duration.tv_usec -= start.tv_usec; | |
2191 | if (param->duration.tv_usec < 0) { | |
2192 | param->duration.tv_usec += 1000 * 1000; | |
2193 | param->duration.tv_sec -= 1; | |
2194 | } | |
1cfab028 | 2195 | mutex_unlock(&dev->lock); |
1da177e4 LT |
2196 | return retval; |
2197 | } | |
2198 | ||
2199 | /*-------------------------------------------------------------------------*/ | |
2200 | ||
fabbf219 MF |
2201 | static unsigned force_interrupt; |
2202 | module_param(force_interrupt, uint, 0); | |
2203 | MODULE_PARM_DESC(force_interrupt, "0 = test default; else interrupt"); | |
1da177e4 LT |
2204 | |
2205 | #ifdef GENERIC | |
2206 | static unsigned short vendor; | |
2207 | module_param(vendor, ushort, 0); | |
fabbf219 | 2208 | MODULE_PARM_DESC(vendor, "vendor code (from usb-if)"); |
1da177e4 LT |
2209 | |
2210 | static unsigned short product; | |
2211 | module_param(product, ushort, 0); | |
fabbf219 | 2212 | MODULE_PARM_DESC(product, "product code (from vendor)"); |
1da177e4 LT |
2213 | #endif |
2214 | ||
2215 | static int | |
fabbf219 | 2216 | usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id) |
1da177e4 LT |
2217 | { |
2218 | struct usb_device *udev; | |
2219 | struct usbtest_dev *dev; | |
2220 | struct usbtest_info *info; | |
2221 | char *rtest, *wtest; | |
2222 | char *irtest, *iwtest; | |
2223 | ||
fabbf219 | 2224 | udev = interface_to_usbdev(intf); |
1da177e4 LT |
2225 | |
2226 | #ifdef GENERIC | |
2227 | /* specify devices by module parameters? */ | |
2228 | if (id->match_flags == 0) { | |
2229 | /* vendor match required, product match optional */ | |
2230 | if (!vendor || le16_to_cpu(udev->descriptor.idVendor) != (u16)vendor) | |
2231 | return -ENODEV; | |
2232 | if (product && le16_to_cpu(udev->descriptor.idProduct) != (u16)product) | |
2233 | return -ENODEV; | |
28ffd79c DB |
2234 | dev_info(&intf->dev, "matched module params, " |
2235 | "vend=0x%04x prod=0x%04x\n", | |
1da177e4 LT |
2236 | le16_to_cpu(udev->descriptor.idVendor), |
2237 | le16_to_cpu(udev->descriptor.idProduct)); | |
2238 | } | |
2239 | #endif | |
2240 | ||
e94b1766 | 2241 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
1da177e4 LT |
2242 | if (!dev) |
2243 | return -ENOMEM; | |
1da177e4 LT |
2244 | info = (struct usbtest_info *) id->driver_info; |
2245 | dev->info = info; | |
1cfab028 | 2246 | mutex_init(&dev->lock); |
1da177e4 LT |
2247 | |
2248 | dev->intf = intf; | |
2249 | ||
2250 | /* cacheline-aligned scratch for i/o */ | |
fabbf219 MF |
2251 | dev->buf = kmalloc(TBUF_SIZE, GFP_KERNEL); |
2252 | if (dev->buf == NULL) { | |
2253 | kfree(dev); | |
1da177e4 LT |
2254 | return -ENOMEM; |
2255 | } | |
2256 | ||
2257 | /* NOTE this doesn't yet test the handful of difference that are | |
2258 | * visible with high speed interrupts: bigger maxpacket (1K) and | |
2259 | * "high bandwidth" modes (up to 3 packets/uframe). | |
2260 | */ | |
2261 | rtest = wtest = ""; | |
2262 | irtest = iwtest = ""; | |
2263 | if (force_interrupt || udev->speed == USB_SPEED_LOW) { | |
2264 | if (info->ep_in) { | |
fabbf219 | 2265 | dev->in_pipe = usb_rcvintpipe(udev, info->ep_in); |
1da177e4 LT |
2266 | rtest = " intr-in"; |
2267 | } | |
2268 | if (info->ep_out) { | |
fabbf219 | 2269 | dev->out_pipe = usb_sndintpipe(udev, info->ep_out); |
1da177e4 LT |
2270 | wtest = " intr-out"; |
2271 | } | |
2272 | } else { | |
2273 | if (info->autoconf) { | |
2274 | int status; | |
2275 | ||
fabbf219 | 2276 | status = get_endpoints(dev, intf); |
1da177e4 | 2277 | if (status < 0) { |
b6c63937 | 2278 | WARNING(dev, "couldn't get endpoints, %d\n", |
28ffd79c | 2279 | status); |
1da177e4 LT |
2280 | return status; |
2281 | } | |
2282 | /* may find bulk or ISO pipes */ | |
2283 | } else { | |
2284 | if (info->ep_in) | |
fabbf219 | 2285 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 LT |
2286 | info->ep_in); |
2287 | if (info->ep_out) | |
fabbf219 | 2288 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
2289 | info->ep_out); |
2290 | } | |
2291 | if (dev->in_pipe) | |
2292 | rtest = " bulk-in"; | |
2293 | if (dev->out_pipe) | |
2294 | wtest = " bulk-out"; | |
2295 | if (dev->in_iso_pipe) | |
2296 | irtest = " iso-in"; | |
2297 | if (dev->out_iso_pipe) | |
2298 | iwtest = " iso-out"; | |
2299 | } | |
2300 | ||
fabbf219 MF |
2301 | usb_set_intfdata(intf, dev); |
2302 | dev_info(&intf->dev, "%s\n", info->name); | |
2303 | dev_info(&intf->dev, "%s speed {control%s%s%s%s%s} tests%s\n", | |
1da177e4 LT |
2304 | ({ char *tmp; |
2305 | switch (udev->speed) { | |
fabbf219 MF |
2306 | case USB_SPEED_LOW: |
2307 | tmp = "low"; | |
2308 | break; | |
2309 | case USB_SPEED_FULL: | |
2310 | tmp = "full"; | |
2311 | break; | |
2312 | case USB_SPEED_HIGH: | |
2313 | tmp = "high"; | |
2314 | break; | |
14b76ed9 SAS |
2315 | case USB_SPEED_SUPER: |
2316 | tmp = "super"; | |
2317 | break; | |
fabbf219 MF |
2318 | default: |
2319 | tmp = "unknown"; | |
2320 | break; | |
1da177e4 LT |
2321 | }; tmp; }), |
2322 | info->ctrl_out ? " in/out" : "", | |
2323 | rtest, wtest, | |
2324 | irtest, iwtest, | |
2325 | info->alt >= 0 ? " (+alt)" : ""); | |
2326 | return 0; | |
2327 | } | |
2328 | ||
fabbf219 | 2329 | static int usbtest_suspend(struct usb_interface *intf, pm_message_t message) |
ff7c79e4 | 2330 | { |
ff7c79e4 DB |
2331 | return 0; |
2332 | } | |
2333 | ||
fabbf219 | 2334 | static int usbtest_resume(struct usb_interface *intf) |
ff7c79e4 | 2335 | { |
ff7c79e4 DB |
2336 | return 0; |
2337 | } | |
2338 | ||
2339 | ||
fabbf219 | 2340 | static void usbtest_disconnect(struct usb_interface *intf) |
1da177e4 | 2341 | { |
fabbf219 | 2342 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1da177e4 | 2343 | |
fabbf219 MF |
2344 | usb_set_intfdata(intf, NULL); |
2345 | dev_dbg(&intf->dev, "disconnect\n"); | |
2346 | kfree(dev); | |
1da177e4 LT |
2347 | } |
2348 | ||
2349 | /* Basic testing only needs a device that can source or sink bulk traffic. | |
2350 | * Any device can test control transfers (default with GENERIC binding). | |
2351 | * | |
2352 | * Several entries work with the default EP0 implementation that's built | |
2353 | * into EZ-USB chips. There's a default vendor ID which can be overridden | |
2354 | * by (very) small config EEPROMS, but otherwise all these devices act | |
2355 | * identically until firmware is loaded: only EP0 works. It turns out | |
2356 | * to be easy to make other endpoints work, without modifying that EP0 | |
2357 | * behavior. For now, we expect that kind of firmware. | |
2358 | */ | |
2359 | ||
2360 | /* an21xx or fx versions of ez-usb */ | |
2361 | static struct usbtest_info ez1_info = { | |
2362 | .name = "EZ-USB device", | |
2363 | .ep_in = 2, | |
2364 | .ep_out = 2, | |
2365 | .alt = 1, | |
2366 | }; | |
2367 | ||
2368 | /* fx2 version of ez-usb */ | |
2369 | static struct usbtest_info ez2_info = { | |
2370 | .name = "FX2 device", | |
2371 | .ep_in = 6, | |
2372 | .ep_out = 2, | |
2373 | .alt = 1, | |
2374 | }; | |
2375 | ||
2376 | /* ezusb family device with dedicated usb test firmware, | |
2377 | */ | |
2378 | static struct usbtest_info fw_info = { | |
2379 | .name = "usb test device", | |
2380 | .ep_in = 2, | |
2381 | .ep_out = 2, | |
2382 | .alt = 1, | |
fabbf219 | 2383 | .autoconf = 1, /* iso and ctrl_out need autoconf */ |
1da177e4 | 2384 | .ctrl_out = 1, |
fabbf219 | 2385 | .iso = 1, /* iso_ep's are #8 in/out */ |
1da177e4 LT |
2386 | }; |
2387 | ||
2388 | /* peripheral running Linux and 'zero.c' test firmware, or | |
2389 | * its user-mode cousin. different versions of this use | |
2390 | * different hardware with the same vendor/product codes. | |
2391 | * host side MUST rely on the endpoint descriptors. | |
2392 | */ | |
2393 | static struct usbtest_info gz_info = { | |
2394 | .name = "Linux gadget zero", | |
2395 | .autoconf = 1, | |
2396 | .ctrl_out = 1, | |
2397 | .alt = 0, | |
2398 | }; | |
2399 | ||
2400 | static struct usbtest_info um_info = { | |
2401 | .name = "Linux user mode test driver", | |
2402 | .autoconf = 1, | |
2403 | .alt = -1, | |
2404 | }; | |
2405 | ||
2406 | static struct usbtest_info um2_info = { | |
2407 | .name = "Linux user mode ISO test driver", | |
2408 | .autoconf = 1, | |
2409 | .iso = 1, | |
2410 | .alt = -1, | |
2411 | }; | |
2412 | ||
2413 | #ifdef IBOT2 | |
2414 | /* this is a nice source of high speed bulk data; | |
2415 | * uses an FX2, with firmware provided in the device | |
2416 | */ | |
2417 | static struct usbtest_info ibot2_info = { | |
2418 | .name = "iBOT2 webcam", | |
2419 | .ep_in = 2, | |
2420 | .alt = -1, | |
2421 | }; | |
2422 | #endif | |
2423 | ||
2424 | #ifdef GENERIC | |
2425 | /* we can use any device to test control traffic */ | |
2426 | static struct usbtest_info generic_info = { | |
2427 | .name = "Generic USB device", | |
2428 | .alt = -1, | |
2429 | }; | |
2430 | #endif | |
2431 | ||
1da177e4 | 2432 | |
33b9e162 | 2433 | static const struct usb_device_id id_table[] = { |
1da177e4 | 2434 | |
1da177e4 LT |
2435 | /*-------------------------------------------------------------*/ |
2436 | ||
2437 | /* EZ-USB devices which download firmware to replace (or in our | |
2438 | * case augment) the default device implementation. | |
2439 | */ | |
2440 | ||
2441 | /* generic EZ-USB FX controller */ | |
fabbf219 | 2442 | { USB_DEVICE(0x0547, 0x2235), |
1da177e4 | 2443 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2444 | }, |
1da177e4 LT |
2445 | |
2446 | /* CY3671 development board with EZ-USB FX */ | |
fabbf219 | 2447 | { USB_DEVICE(0x0547, 0x0080), |
1da177e4 | 2448 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2449 | }, |
1da177e4 LT |
2450 | |
2451 | /* generic EZ-USB FX2 controller (or development board) */ | |
fabbf219 | 2452 | { USB_DEVICE(0x04b4, 0x8613), |
1da177e4 | 2453 | .driver_info = (unsigned long) &ez2_info, |
fabbf219 | 2454 | }, |
1da177e4 LT |
2455 | |
2456 | /* re-enumerated usb test device firmware */ | |
fabbf219 | 2457 | { USB_DEVICE(0xfff0, 0xfff0), |
1da177e4 | 2458 | .driver_info = (unsigned long) &fw_info, |
fabbf219 | 2459 | }, |
1da177e4 LT |
2460 | |
2461 | /* "Gadget Zero" firmware runs under Linux */ | |
fabbf219 | 2462 | { USB_DEVICE(0x0525, 0xa4a0), |
1da177e4 | 2463 | .driver_info = (unsigned long) &gz_info, |
fabbf219 | 2464 | }, |
1da177e4 LT |
2465 | |
2466 | /* so does a user-mode variant */ | |
fabbf219 | 2467 | { USB_DEVICE(0x0525, 0xa4a4), |
1da177e4 | 2468 | .driver_info = (unsigned long) &um_info, |
fabbf219 | 2469 | }, |
1da177e4 LT |
2470 | |
2471 | /* ... and a user-mode variant that talks iso */ | |
fabbf219 | 2472 | { USB_DEVICE(0x0525, 0xa4a3), |
1da177e4 | 2473 | .driver_info = (unsigned long) &um2_info, |
fabbf219 | 2474 | }, |
1da177e4 LT |
2475 | |
2476 | #ifdef KEYSPAN_19Qi | |
2477 | /* Keyspan 19qi uses an21xx (original EZ-USB) */ | |
fabbf219 MF |
2478 | /* this does not coexist with the real Keyspan 19qi driver! */ |
2479 | { USB_DEVICE(0x06cd, 0x010b), | |
1da177e4 | 2480 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2481 | }, |
1da177e4 LT |
2482 | #endif |
2483 | ||
2484 | /*-------------------------------------------------------------*/ | |
2485 | ||
2486 | #ifdef IBOT2 | |
2487 | /* iBOT2 makes a nice source of high speed bulk-in data */ | |
fabbf219 MF |
2488 | /* this does not coexist with a real iBOT2 driver! */ |
2489 | { USB_DEVICE(0x0b62, 0x0059), | |
1da177e4 | 2490 | .driver_info = (unsigned long) &ibot2_info, |
fabbf219 | 2491 | }, |
1da177e4 LT |
2492 | #endif |
2493 | ||
2494 | /*-------------------------------------------------------------*/ | |
2495 | ||
2496 | #ifdef GENERIC | |
2497 | /* module params can specify devices to use for control tests */ | |
2498 | { .driver_info = (unsigned long) &generic_info, }, | |
2499 | #endif | |
2500 | ||
2501 | /*-------------------------------------------------------------*/ | |
2502 | ||
2503 | { } | |
2504 | }; | |
fabbf219 | 2505 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
2506 | |
2507 | static struct usb_driver usbtest_driver = { | |
1da177e4 LT |
2508 | .name = "usbtest", |
2509 | .id_table = id_table, | |
2510 | .probe = usbtest_probe, | |
c532b29a | 2511 | .unlocked_ioctl = usbtest_ioctl, |
1da177e4 | 2512 | .disconnect = usbtest_disconnect, |
ff7c79e4 DB |
2513 | .suspend = usbtest_suspend, |
2514 | .resume = usbtest_resume, | |
1da177e4 LT |
2515 | }; |
2516 | ||
2517 | /*-------------------------------------------------------------------------*/ | |
2518 | ||
fabbf219 | 2519 | static int __init usbtest_init(void) |
1da177e4 LT |
2520 | { |
2521 | #ifdef GENERIC | |
2522 | if (vendor) | |
28ffd79c | 2523 | pr_debug("params: vend=0x%04x prod=0x%04x\n", vendor, product); |
1da177e4 | 2524 | #endif |
fabbf219 | 2525 | return usb_register(&usbtest_driver); |
1da177e4 | 2526 | } |
fabbf219 | 2527 | module_init(usbtest_init); |
1da177e4 | 2528 | |
fabbf219 | 2529 | static void __exit usbtest_exit(void) |
1da177e4 | 2530 | { |
fabbf219 | 2531 | usb_deregister(&usbtest_driver); |
1da177e4 | 2532 | } |
fabbf219 | 2533 | module_exit(usbtest_exit); |
1da177e4 | 2534 | |
fabbf219 MF |
2535 | MODULE_DESCRIPTION("USB Core/HCD Testing Driver"); |
2536 | MODULE_LICENSE("GPL"); | |
1da177e4 | 2537 |