]>
Commit | Line | Data |
---|---|---|
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 | ||
d0b4652f AS |
14 | /*-------------------------------------------------------------------------*/ |
15 | ||
16 | static int override_alt = -1; | |
17 | module_param_named(alt, override_alt, int, 0644); | |
18 | MODULE_PARM_DESC(alt, ">= 0 to override altsetting selection"); | |
19 | ||
1da177e4 LT |
20 | /*-------------------------------------------------------------------------*/ |
21 | ||
fabbf219 | 22 | /* FIXME make these public somewhere; usbdevfs.h? */ |
1da177e4 | 23 | struct usbtest_param { |
fabbf219 | 24 | /* inputs */ |
1da177e4 LT |
25 | unsigned test_num; /* 0..(TEST_CASES-1) */ |
26 | unsigned iterations; | |
27 | unsigned length; | |
28 | unsigned vary; | |
29 | unsigned sglen; | |
30 | ||
fabbf219 | 31 | /* outputs */ |
1da177e4 LT |
32 | struct timeval duration; |
33 | }; | |
34 | #define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) | |
35 | ||
36 | /*-------------------------------------------------------------------------*/ | |
37 | ||
38 | #define GENERIC /* let probe() bind using module params */ | |
39 | ||
40 | /* Some devices that can be used for testing will have "real" drivers. | |
41 | * Entries for those need to be enabled here by hand, after disabling | |
42 | * that "real" driver. | |
43 | */ | |
44 | //#define IBOT2 /* grab iBOT2 webcams */ | |
45 | //#define KEYSPAN_19Qi /* grab un-renumerated serial adapter */ | |
46 | ||
47 | /*-------------------------------------------------------------------------*/ | |
48 | ||
49 | struct usbtest_info { | |
50 | const char *name; | |
51 | u8 ep_in; /* bulk/intr source */ | |
52 | u8 ep_out; /* bulk/intr sink */ | |
fabbf219 MF |
53 | unsigned autoconf:1; |
54 | unsigned ctrl_out:1; | |
55 | unsigned iso:1; /* try iso in/out */ | |
1da177e4 LT |
56 | int alt; |
57 | }; | |
58 | ||
59 | /* this is accessed only through usbfs ioctl calls. | |
60 | * one ioctl to issue a test ... one lock per device. | |
61 | * tests create other threads if they need them. | |
62 | * urbs and buffers are allocated dynamically, | |
63 | * and data generated deterministically. | |
64 | */ | |
65 | struct usbtest_dev { | |
66 | struct usb_interface *intf; | |
67 | struct usbtest_info *info; | |
68 | int in_pipe; | |
69 | int out_pipe; | |
70 | int in_iso_pipe; | |
71 | int out_iso_pipe; | |
72 | struct usb_endpoint_descriptor *iso_in, *iso_out; | |
1cfab028 | 73 | struct mutex lock; |
1da177e4 LT |
74 | |
75 | #define TBUF_SIZE 256 | |
76 | u8 *buf; | |
77 | }; | |
78 | ||
fabbf219 | 79 | static struct usb_device *testdev_to_usbdev(struct usbtest_dev *test) |
1da177e4 | 80 | { |
fabbf219 | 81 | return interface_to_usbdev(test->intf); |
1da177e4 LT |
82 | } |
83 | ||
84 | /* set up all urbs so they can be used with either bulk or interrupt */ | |
85 | #define INTERRUPT_RATE 1 /* msec/transfer */ | |
86 | ||
28ffd79c DB |
87 | #define ERROR(tdev, fmt, args...) \ |
88 | dev_err(&(tdev)->intf->dev , fmt , ## args) | |
b6c63937 | 89 | #define WARNING(tdev, fmt, args...) \ |
28ffd79c | 90 | dev_warn(&(tdev)->intf->dev , fmt , ## args) |
1da177e4 | 91 | |
084fb206 MF |
92 | #define GUARD_BYTE 0xA5 |
93 | ||
1da177e4 LT |
94 | /*-------------------------------------------------------------------------*/ |
95 | ||
96 | static int | |
fabbf219 | 97 | get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf) |
1da177e4 LT |
98 | { |
99 | int tmp; | |
100 | struct usb_host_interface *alt; | |
101 | struct usb_host_endpoint *in, *out; | |
102 | struct usb_host_endpoint *iso_in, *iso_out; | |
103 | struct usb_device *udev; | |
104 | ||
105 | for (tmp = 0; tmp < intf->num_altsetting; tmp++) { | |
106 | unsigned ep; | |
107 | ||
108 | in = out = NULL; | |
109 | iso_in = iso_out = NULL; | |
110 | alt = intf->altsetting + tmp; | |
111 | ||
d0b4652f AS |
112 | if (override_alt >= 0 && |
113 | override_alt != alt->desc.bAlternateSetting) | |
114 | continue; | |
115 | ||
1da177e4 | 116 | /* take the first altsetting with in-bulk + out-bulk; |
70f23fd6 | 117 | * ignore other endpoints and altsettings. |
1da177e4 LT |
118 | */ |
119 | for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { | |
120 | struct usb_host_endpoint *e; | |
121 | ||
122 | e = alt->endpoint + ep; | |
9a37a503 | 123 | switch (usb_endpoint_type(&e->desc)) { |
1da177e4 LT |
124 | case USB_ENDPOINT_XFER_BULK: |
125 | break; | |
126 | case USB_ENDPOINT_XFER_ISOC: | |
127 | if (dev->info->iso) | |
128 | goto try_iso; | |
fabbf219 | 129 | /* FALLTHROUGH */ |
1da177e4 LT |
130 | default: |
131 | continue; | |
132 | } | |
4d823dd2 | 133 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
134 | if (!in) |
135 | in = e; | |
136 | } else { | |
137 | if (!out) | |
138 | out = e; | |
139 | } | |
140 | continue; | |
141 | try_iso: | |
4d823dd2 | 142 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
143 | if (!iso_in) |
144 | iso_in = e; | |
145 | } else { | |
146 | if (!iso_out) | |
147 | iso_out = e; | |
148 | } | |
149 | } | |
951fd8ee | 150 | if ((in && out) || iso_in || iso_out) |
1da177e4 LT |
151 | goto found; |
152 | } | |
153 | return -EINVAL; | |
154 | ||
155 | found: | |
fabbf219 | 156 | udev = testdev_to_usbdev(dev); |
d0b4652f | 157 | dev->info->alt = alt->desc.bAlternateSetting; |
1da177e4 | 158 | if (alt->desc.bAlternateSetting != 0) { |
fabbf219 | 159 | tmp = usb_set_interface(udev, |
1da177e4 LT |
160 | alt->desc.bInterfaceNumber, |
161 | alt->desc.bAlternateSetting); | |
162 | if (tmp < 0) | |
163 | return tmp; | |
164 | } | |
165 | ||
166 | if (in) { | |
fabbf219 | 167 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 | 168 | in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
fabbf219 | 169 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
170 | out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
171 | } | |
172 | if (iso_in) { | |
173 | dev->iso_in = &iso_in->desc; | |
fabbf219 | 174 | dev->in_iso_pipe = usb_rcvisocpipe(udev, |
1da177e4 LT |
175 | iso_in->desc.bEndpointAddress |
176 | & USB_ENDPOINT_NUMBER_MASK); | |
951fd8ee ML |
177 | } |
178 | ||
179 | if (iso_out) { | |
1da177e4 | 180 | dev->iso_out = &iso_out->desc; |
fabbf219 | 181 | dev->out_iso_pipe = usb_sndisocpipe(udev, |
1da177e4 LT |
182 | iso_out->desc.bEndpointAddress |
183 | & USB_ENDPOINT_NUMBER_MASK); | |
184 | } | |
185 | return 0; | |
186 | } | |
187 | ||
188 | /*-------------------------------------------------------------------------*/ | |
189 | ||
190 | /* Support for testing basic non-queued I/O streams. | |
191 | * | |
192 | * These just package urbs as requests that can be easily canceled. | |
193 | * Each urb's data buffer is dynamically allocated; callers can fill | |
194 | * them with non-zero test data (or test for it) when appropriate. | |
195 | */ | |
196 | ||
fabbf219 | 197 | static void simple_callback(struct urb *urb) |
1da177e4 | 198 | { |
cdc97792 | 199 | complete(urb->context); |
1da177e4 LT |
200 | } |
201 | ||
084fb206 | 202 | static struct urb *usbtest_alloc_urb( |
1da177e4 LT |
203 | struct usb_device *udev, |
204 | int pipe, | |
084fb206 MF |
205 | unsigned long bytes, |
206 | unsigned transfer_flags, | |
207 | unsigned offset) | |
1da177e4 LT |
208 | { |
209 | struct urb *urb; | |
210 | ||
fabbf219 | 211 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 LT |
212 | if (!urb) |
213 | return urb; | |
fabbf219 | 214 | usb_fill_bulk_urb(urb, udev, pipe, NULL, bytes, simple_callback, NULL); |
1da177e4 LT |
215 | urb->interval = (udev->speed == USB_SPEED_HIGH) |
216 | ? (INTERRUPT_RATE << 3) | |
217 | : INTERRUPT_RATE; | |
084fb206 | 218 | urb->transfer_flags = transfer_flags; |
fabbf219 | 219 | if (usb_pipein(pipe)) |
1da177e4 | 220 | urb->transfer_flags |= URB_SHORT_NOT_OK; |
084fb206 MF |
221 | |
222 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
223 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, | |
224 | GFP_KERNEL, &urb->transfer_dma); | |
225 | else | |
226 | urb->transfer_buffer = kmalloc(bytes + offset, GFP_KERNEL); | |
227 | ||
1da177e4 | 228 | if (!urb->transfer_buffer) { |
fabbf219 | 229 | usb_free_urb(urb); |
084fb206 MF |
230 | return NULL; |
231 | } | |
232 | ||
233 | /* To test unaligned transfers add an offset and fill the | |
234 | unused memory with a guard value */ | |
235 | if (offset) { | |
236 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
237 | urb->transfer_buffer += offset; | |
238 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
239 | urb->transfer_dma += offset; | |
240 | } | |
241 | ||
242 | /* For inbound transfers use guard byte so that test fails if | |
243 | data not correctly copied */ | |
244 | memset(urb->transfer_buffer, | |
245 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
246 | bytes); | |
1da177e4 LT |
247 | return urb; |
248 | } | |
249 | ||
084fb206 MF |
250 | static struct urb *simple_alloc_urb( |
251 | struct usb_device *udev, | |
252 | int pipe, | |
253 | unsigned long bytes) | |
254 | { | |
255 | return usbtest_alloc_urb(udev, pipe, bytes, URB_NO_TRANSFER_DMA_MAP, 0); | |
256 | } | |
257 | ||
fabbf219 | 258 | static unsigned pattern; |
7f4e9854 VP |
259 | static unsigned mod_pattern; |
260 | module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); | |
261 | MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); | |
1da177e4 | 262 | |
fabbf219 | 263 | static inline void simple_fill_buf(struct urb *urb) |
1da177e4 LT |
264 | { |
265 | unsigned i; | |
266 | u8 *buf = urb->transfer_buffer; | |
267 | unsigned len = urb->transfer_buffer_length; | |
268 | ||
269 | switch (pattern) { | |
270 | default: | |
fabbf219 | 271 | /* FALLTHROUGH */ |
1da177e4 | 272 | case 0: |
fabbf219 | 273 | memset(buf, 0, len); |
1da177e4 LT |
274 | break; |
275 | case 1: /* mod63 */ | |
276 | for (i = 0; i < len; i++) | |
277 | *buf++ = (u8) (i % 63); | |
278 | break; | |
279 | } | |
280 | } | |
281 | ||
304b0b57 | 282 | static inline unsigned long buffer_offset(void *buf) |
084fb206 | 283 | { |
304b0b57 | 284 | return (unsigned long)buf & (ARCH_KMALLOC_MINALIGN - 1); |
084fb206 MF |
285 | } |
286 | ||
287 | static int check_guard_bytes(struct usbtest_dev *tdev, struct urb *urb) | |
288 | { | |
289 | u8 *buf = urb->transfer_buffer; | |
290 | u8 *guard = buf - buffer_offset(buf); | |
291 | unsigned i; | |
292 | ||
293 | for (i = 0; guard < buf; i++, guard++) { | |
294 | if (*guard != GUARD_BYTE) { | |
295 | ERROR(tdev, "guard byte[%d] %d (not %d)\n", | |
296 | i, *guard, GUARD_BYTE); | |
297 | return -EINVAL; | |
298 | } | |
299 | } | |
300 | return 0; | |
301 | } | |
302 | ||
303 | static int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb) | |
1da177e4 LT |
304 | { |
305 | unsigned i; | |
306 | u8 expected; | |
307 | u8 *buf = urb->transfer_buffer; | |
308 | unsigned len = urb->actual_length; | |
309 | ||
084fb206 MF |
310 | int ret = check_guard_bytes(tdev, urb); |
311 | if (ret) | |
312 | return ret; | |
313 | ||
1da177e4 LT |
314 | for (i = 0; i < len; i++, buf++) { |
315 | switch (pattern) { | |
316 | /* all-zeroes has no synchronization issues */ | |
317 | case 0: | |
318 | expected = 0; | |
319 | break; | |
320 | /* mod63 stays in sync with short-terminated transfers, | |
321 | * or otherwise when host and gadget agree on how large | |
322 | * each usb transfer request should be. resync is done | |
323 | * with set_interface or set_config. | |
324 | */ | |
325 | case 1: /* mod63 */ | |
326 | expected = i % 63; | |
327 | break; | |
328 | /* always fail unsupported patterns */ | |
329 | default: | |
330 | expected = !*buf; | |
331 | break; | |
332 | } | |
333 | if (*buf == expected) | |
334 | continue; | |
28ffd79c | 335 | ERROR(tdev, "buf[%d] = %d (not %d)\n", i, *buf, expected); |
1da177e4 LT |
336 | return -EINVAL; |
337 | } | |
338 | return 0; | |
339 | } | |
340 | ||
fabbf219 | 341 | static void simple_free_urb(struct urb *urb) |
1da177e4 | 342 | { |
304b0b57 | 343 | unsigned long offset = buffer_offset(urb->transfer_buffer); |
084fb206 MF |
344 | |
345 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
346 | usb_free_coherent( | |
347 | urb->dev, | |
348 | urb->transfer_buffer_length + offset, | |
349 | urb->transfer_buffer - offset, | |
350 | urb->transfer_dma - offset); | |
351 | else | |
352 | kfree(urb->transfer_buffer - offset); | |
fabbf219 | 353 | usb_free_urb(urb); |
1da177e4 LT |
354 | } |
355 | ||
fabbf219 | 356 | static int simple_io( |
28ffd79c | 357 | struct usbtest_dev *tdev, |
1da177e4 LT |
358 | struct urb *urb, |
359 | int iterations, | |
360 | int vary, | |
361 | int expected, | |
362 | const char *label | |
363 | ) | |
364 | { | |
365 | struct usb_device *udev = urb->dev; | |
366 | int max = urb->transfer_buffer_length; | |
367 | struct completion completion; | |
368 | int retval = 0; | |
369 | ||
370 | urb->context = &completion; | |
371 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 372 | init_completion(&completion); |
7c79d094 | 373 | if (usb_pipeout(urb->pipe)) { |
fabbf219 | 374 | simple_fill_buf(urb); |
7c79d094 SAS |
375 | urb->transfer_flags |= URB_ZERO_PACKET; |
376 | } | |
fabbf219 MF |
377 | retval = usb_submit_urb(urb, GFP_KERNEL); |
378 | if (retval != 0) | |
1da177e4 LT |
379 | break; |
380 | ||
381 | /* NOTE: no timeouts; can't be broken out of by interrupt */ | |
fabbf219 | 382 | wait_for_completion(&completion); |
1da177e4 LT |
383 | retval = urb->status; |
384 | urb->dev = udev; | |
fabbf219 | 385 | if (retval == 0 && usb_pipein(urb->pipe)) |
28ffd79c | 386 | retval = simple_check_buf(tdev, urb); |
1da177e4 LT |
387 | |
388 | if (vary) { | |
389 | int len = urb->transfer_buffer_length; | |
390 | ||
391 | len += vary; | |
392 | len %= max; | |
393 | if (len == 0) | |
394 | len = (vary < max) ? vary : max; | |
395 | urb->transfer_buffer_length = len; | |
396 | } | |
397 | ||
398 | /* FIXME if endpoint halted, clear halt (and log) */ | |
399 | } | |
400 | urb->transfer_buffer_length = max; | |
401 | ||
402 | if (expected != retval) | |
28ffd79c | 403 | dev_err(&udev->dev, |
1da177e4 LT |
404 | "%s failed, iterations left %d, status %d (not %d)\n", |
405 | label, iterations, retval, expected); | |
406 | return retval; | |
407 | } | |
408 | ||
409 | ||
410 | /*-------------------------------------------------------------------------*/ | |
411 | ||
412 | /* We use scatterlist primitives to test queued I/O. | |
413 | * Yes, this also tests the scatterlist primitives. | |
414 | */ | |
415 | ||
fabbf219 | 416 | static void free_sglist(struct scatterlist *sg, int nents) |
1da177e4 LT |
417 | { |
418 | unsigned i; | |
28ffd79c | 419 | |
1da177e4 LT |
420 | if (!sg) |
421 | return; | |
422 | for (i = 0; i < nents; i++) { | |
45711f1a | 423 | if (!sg_page(&sg[i])) |
1da177e4 | 424 | continue; |
fabbf219 | 425 | kfree(sg_virt(&sg[i])); |
1da177e4 | 426 | } |
fabbf219 | 427 | kfree(sg); |
1da177e4 LT |
428 | } |
429 | ||
430 | static struct scatterlist * | |
fabbf219 | 431 | alloc_sglist(int nents, int max, int vary) |
1da177e4 LT |
432 | { |
433 | struct scatterlist *sg; | |
434 | unsigned i; | |
435 | unsigned size = max; | |
436 | ||
564e6989 DC |
437 | if (max == 0) |
438 | return NULL; | |
439 | ||
8bde9a62 | 440 | sg = kmalloc_array(nents, sizeof *sg, GFP_KERNEL); |
1da177e4 LT |
441 | if (!sg) |
442 | return NULL; | |
4756febb | 443 | sg_init_table(sg, nents); |
1da177e4 LT |
444 | |
445 | for (i = 0; i < nents; i++) { | |
446 | char *buf; | |
8b524901 | 447 | unsigned j; |
1da177e4 | 448 | |
fabbf219 | 449 | buf = kzalloc(size, GFP_KERNEL); |
1da177e4 | 450 | if (!buf) { |
fabbf219 | 451 | free_sglist(sg, i); |
1da177e4 LT |
452 | return NULL; |
453 | } | |
1da177e4 LT |
454 | |
455 | /* kmalloc pages are always physically contiguous! */ | |
4756febb | 456 | sg_set_buf(&sg[i], buf, size); |
1da177e4 | 457 | |
8b524901 DB |
458 | switch (pattern) { |
459 | case 0: | |
460 | /* already zeroed */ | |
461 | break; | |
462 | case 1: | |
463 | for (j = 0; j < size; j++) | |
464 | *buf++ = (u8) (j % 63); | |
465 | break; | |
466 | } | |
467 | ||
1da177e4 LT |
468 | if (vary) { |
469 | size += vary; | |
470 | size %= max; | |
471 | if (size == 0) | |
472 | size = (vary < max) ? vary : max; | |
473 | } | |
474 | } | |
475 | ||
476 | return sg; | |
477 | } | |
478 | ||
fabbf219 | 479 | static int perform_sglist( |
28ffd79c | 480 | struct usbtest_dev *tdev, |
1da177e4 LT |
481 | unsigned iterations, |
482 | int pipe, | |
483 | struct usb_sg_request *req, | |
484 | struct scatterlist *sg, | |
485 | int nents | |
486 | ) | |
487 | { | |
28ffd79c | 488 | struct usb_device *udev = testdev_to_usbdev(tdev); |
1da177e4 LT |
489 | int retval = 0; |
490 | ||
491 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 492 | retval = usb_sg_init(req, udev, pipe, |
1da177e4 LT |
493 | (udev->speed == USB_SPEED_HIGH) |
494 | ? (INTERRUPT_RATE << 3) | |
495 | : INTERRUPT_RATE, | |
e94b1766 | 496 | sg, nents, 0, GFP_KERNEL); |
28ffd79c | 497 | |
1da177e4 LT |
498 | if (retval) |
499 | break; | |
fabbf219 | 500 | usb_sg_wait(req); |
1da177e4 LT |
501 | retval = req->status; |
502 | ||
8b524901 DB |
503 | /* FIXME check resulting data pattern */ |
504 | ||
1da177e4 LT |
505 | /* FIXME if endpoint halted, clear halt (and log) */ |
506 | } | |
507 | ||
fabbf219 MF |
508 | /* FIXME for unlink or fault handling tests, don't report |
509 | * failure if retval is as we expected ... | |
510 | */ | |
1da177e4 | 511 | if (retval) |
28ffd79c DB |
512 | ERROR(tdev, "perform_sglist failed, " |
513 | "iterations left %d, status %d\n", | |
1da177e4 LT |
514 | iterations, retval); |
515 | return retval; | |
516 | } | |
517 | ||
518 | ||
519 | /*-------------------------------------------------------------------------*/ | |
520 | ||
521 | /* unqueued control message testing | |
522 | * | |
523 | * there's a nice set of device functional requirements in chapter 9 of the | |
524 | * usb 2.0 spec, which we can apply to ANY device, even ones that don't use | |
525 | * special test firmware. | |
526 | * | |
527 | * we know the device is configured (or suspended) by the time it's visible | |
528 | * through usbfs. we can't change that, so we won't test enumeration (which | |
529 | * worked 'well enough' to get here, this time), power management (ditto), | |
530 | * or remote wakeup (which needs human interaction). | |
531 | */ | |
532 | ||
533 | static unsigned realworld = 1; | |
fabbf219 MF |
534 | module_param(realworld, uint, 0); |
535 | MODULE_PARM_DESC(realworld, "clear to demand stricter spec compliance"); | |
1da177e4 | 536 | |
fabbf219 | 537 | static int get_altsetting(struct usbtest_dev *dev) |
1da177e4 LT |
538 | { |
539 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 540 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
541 | int retval; |
542 | ||
fabbf219 | 543 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 | 544 | USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, |
fabbf219 | 545 | 0, iface->altsetting[0].desc.bInterfaceNumber, |
1da177e4 LT |
546 | dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
547 | switch (retval) { | |
548 | case 1: | |
fabbf219 | 549 | return dev->buf[0]; |
1da177e4 LT |
550 | case 0: |
551 | retval = -ERANGE; | |
fabbf219 | 552 | /* FALLTHROUGH */ |
1da177e4 LT |
553 | default: |
554 | return retval; | |
555 | } | |
556 | } | |
557 | ||
fabbf219 | 558 | static int set_altsetting(struct usbtest_dev *dev, int alternate) |
1da177e4 LT |
559 | { |
560 | struct usb_interface *iface = dev->intf; | |
561 | struct usb_device *udev; | |
562 | ||
563 | if (alternate < 0 || alternate >= 256) | |
564 | return -EINVAL; | |
565 | ||
fabbf219 MF |
566 | udev = interface_to_usbdev(iface); |
567 | return usb_set_interface(udev, | |
568 | iface->altsetting[0].desc.bInterfaceNumber, | |
1da177e4 LT |
569 | alternate); |
570 | } | |
571 | ||
28ffd79c | 572 | static int is_good_config(struct usbtest_dev *tdev, int len) |
1da177e4 LT |
573 | { |
574 | struct usb_config_descriptor *config; | |
28ffd79c | 575 | |
1da177e4 LT |
576 | if (len < sizeof *config) |
577 | return 0; | |
28ffd79c | 578 | config = (struct usb_config_descriptor *) tdev->buf; |
1da177e4 LT |
579 | |
580 | switch (config->bDescriptorType) { | |
581 | case USB_DT_CONFIG: | |
582 | case USB_DT_OTHER_SPEED_CONFIG: | |
583 | if (config->bLength != 9) { | |
28ffd79c | 584 | ERROR(tdev, "bogus config descriptor length\n"); |
1da177e4 LT |
585 | return 0; |
586 | } | |
587 | /* this bit 'must be 1' but often isn't */ | |
588 | if (!realworld && !(config->bmAttributes & 0x80)) { | |
28ffd79c | 589 | ERROR(tdev, "high bit of config attributes not set\n"); |
1da177e4 LT |
590 | return 0; |
591 | } | |
592 | if (config->bmAttributes & 0x1f) { /* reserved == 0 */ | |
28ffd79c | 593 | ERROR(tdev, "reserved config bits set\n"); |
1da177e4 LT |
594 | return 0; |
595 | } | |
596 | break; | |
597 | default: | |
598 | return 0; | |
599 | } | |
600 | ||
fabbf219 | 601 | if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ |
1da177e4 | 602 | return 1; |
fabbf219 | 603 | if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ |
1da177e4 | 604 | return 1; |
28ffd79c | 605 | ERROR(tdev, "bogus config descriptor read size\n"); |
1da177e4 LT |
606 | return 0; |
607 | } | |
608 | ||
609 | /* sanity test for standard requests working with usb_control_mesg() and some | |
610 | * of the utility functions which use it. | |
611 | * | |
612 | * this doesn't test how endpoint halts behave or data toggles get set, since | |
613 | * we won't do I/O to bulk/interrupt endpoints here (which is how to change | |
614 | * halt or toggle). toggle testing is impractical without support from hcds. | |
615 | * | |
616 | * this avoids failing devices linux would normally work with, by not testing | |
617 | * config/altsetting operations for devices that only support their defaults. | |
618 | * such devices rarely support those needless operations. | |
619 | * | |
620 | * NOTE that since this is a sanity test, it's not examining boundary cases | |
621 | * to see if usbcore, hcd, and device all behave right. such testing would | |
622 | * involve varied read sizes and other operation sequences. | |
623 | */ | |
fabbf219 | 624 | static int ch9_postconfig(struct usbtest_dev *dev) |
1da177e4 LT |
625 | { |
626 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 627 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
628 | int i, alt, retval; |
629 | ||
630 | /* [9.2.3] if there's more than one altsetting, we need to be able to | |
631 | * set and get each one. mostly trusts the descriptors from usbcore. | |
632 | */ | |
633 | for (i = 0; i < iface->num_altsetting; i++) { | |
634 | ||
635 | /* 9.2.3 constrains the range here */ | |
fabbf219 | 636 | alt = iface->altsetting[i].desc.bAlternateSetting; |
1da177e4 | 637 | if (alt < 0 || alt >= iface->num_altsetting) { |
28ffd79c | 638 | dev_err(&iface->dev, |
1da177e4 LT |
639 | "invalid alt [%d].bAltSetting = %d\n", |
640 | i, alt); | |
641 | } | |
642 | ||
643 | /* [real world] get/set unimplemented if there's only one */ | |
644 | if (realworld && iface->num_altsetting == 1) | |
645 | continue; | |
646 | ||
647 | /* [9.4.10] set_interface */ | |
fabbf219 | 648 | retval = set_altsetting(dev, alt); |
1da177e4 | 649 | if (retval) { |
28ffd79c | 650 | dev_err(&iface->dev, "can't set_interface = %d, %d\n", |
1da177e4 LT |
651 | alt, retval); |
652 | return retval; | |
653 | } | |
654 | ||
655 | /* [9.4.4] get_interface always works */ | |
fabbf219 | 656 | retval = get_altsetting(dev); |
1da177e4 | 657 | if (retval != alt) { |
28ffd79c | 658 | dev_err(&iface->dev, "get alt should be %d, was %d\n", |
1da177e4 LT |
659 | alt, retval); |
660 | return (retval < 0) ? retval : -EDOM; | |
661 | } | |
662 | ||
663 | } | |
664 | ||
665 | /* [real world] get_config unimplemented if there's only one */ | |
666 | if (!realworld || udev->descriptor.bNumConfigurations != 1) { | |
667 | int expected = udev->actconfig->desc.bConfigurationValue; | |
668 | ||
669 | /* [9.4.2] get_configuration always works | |
670 | * ... although some cheap devices (like one TI Hub I've got) | |
671 | * won't return config descriptors except before set_config. | |
672 | */ | |
fabbf219 | 673 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
674 | USB_REQ_GET_CONFIGURATION, |
675 | USB_DIR_IN | USB_RECIP_DEVICE, | |
676 | 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); | |
fabbf219 | 677 | if (retval != 1 || dev->buf[0] != expected) { |
28ffd79c | 678 | dev_err(&iface->dev, "get config --> %d %d (1 %d)\n", |
ff7c79e4 | 679 | retval, dev->buf[0], expected); |
1da177e4 LT |
680 | return (retval < 0) ? retval : -EDOM; |
681 | } | |
682 | } | |
683 | ||
684 | /* there's always [9.4.3] a device descriptor [9.6.1] */ | |
fabbf219 | 685 | retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0, |
1da177e4 LT |
686 | dev->buf, sizeof udev->descriptor); |
687 | if (retval != sizeof udev->descriptor) { | |
28ffd79c | 688 | dev_err(&iface->dev, "dev descriptor --> %d\n", retval); |
1da177e4 LT |
689 | return (retval < 0) ? retval : -EDOM; |
690 | } | |
691 | ||
692 | /* there's always [9.4.3] at least one config descriptor [9.6.3] */ | |
693 | for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { | |
fabbf219 | 694 | retval = usb_get_descriptor(udev, USB_DT_CONFIG, i, |
1da177e4 | 695 | dev->buf, TBUF_SIZE); |
28ffd79c DB |
696 | if (!is_good_config(dev, retval)) { |
697 | dev_err(&iface->dev, | |
1da177e4 LT |
698 | "config [%d] descriptor --> %d\n", |
699 | i, retval); | |
700 | return (retval < 0) ? retval : -EDOM; | |
701 | } | |
702 | ||
fabbf219 MF |
703 | /* FIXME cross-checking udev->config[i] to make sure usbcore |
704 | * parsed it right (etc) would be good testing paranoia | |
705 | */ | |
1da177e4 LT |
706 | } |
707 | ||
708 | /* and sometimes [9.2.6.6] speed dependent descriptors */ | |
709 | if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { | |
fabbf219 | 710 | struct usb_qualifier_descriptor *d = NULL; |
1da177e4 LT |
711 | |
712 | /* device qualifier [9.6.2] */ | |
fabbf219 | 713 | retval = usb_get_descriptor(udev, |
1da177e4 | 714 | USB_DT_DEVICE_QUALIFIER, 0, dev->buf, |
fabbf219 | 715 | sizeof(struct usb_qualifier_descriptor)); |
1da177e4 LT |
716 | if (retval == -EPIPE) { |
717 | if (udev->speed == USB_SPEED_HIGH) { | |
28ffd79c | 718 | dev_err(&iface->dev, |
1da177e4 LT |
719 | "hs dev qualifier --> %d\n", |
720 | retval); | |
721 | return (retval < 0) ? retval : -EDOM; | |
722 | } | |
723 | /* usb2.0 but not high-speed capable; fine */ | |
fabbf219 | 724 | } else if (retval != sizeof(struct usb_qualifier_descriptor)) { |
28ffd79c | 725 | dev_err(&iface->dev, "dev qualifier --> %d\n", retval); |
1da177e4 LT |
726 | return (retval < 0) ? retval : -EDOM; |
727 | } else | |
728 | d = (struct usb_qualifier_descriptor *) dev->buf; | |
729 | ||
730 | /* might not have [9.6.2] any other-speed configs [9.6.4] */ | |
731 | if (d) { | |
732 | unsigned max = d->bNumConfigurations; | |
733 | for (i = 0; i < max; i++) { | |
fabbf219 | 734 | retval = usb_get_descriptor(udev, |
1da177e4 LT |
735 | USB_DT_OTHER_SPEED_CONFIG, i, |
736 | dev->buf, TBUF_SIZE); | |
28ffd79c DB |
737 | if (!is_good_config(dev, retval)) { |
738 | dev_err(&iface->dev, | |
1da177e4 LT |
739 | "other speed config --> %d\n", |
740 | retval); | |
741 | return (retval < 0) ? retval : -EDOM; | |
742 | } | |
743 | } | |
744 | } | |
745 | } | |
fabbf219 | 746 | /* FIXME fetch strings from at least the device descriptor */ |
1da177e4 LT |
747 | |
748 | /* [9.4.5] get_status always works */ | |
fabbf219 | 749 | retval = usb_get_status(udev, USB_RECIP_DEVICE, 0, dev->buf); |
15b7336e | 750 | if (retval) { |
28ffd79c | 751 | dev_err(&iface->dev, "get dev status --> %d\n", retval); |
15b7336e | 752 | return retval; |
1da177e4 LT |
753 | } |
754 | ||
fabbf219 MF |
755 | /* FIXME configuration.bmAttributes says if we could try to set/clear |
756 | * the device's remote wakeup feature ... if we can, test that here | |
757 | */ | |
1da177e4 | 758 | |
fabbf219 MF |
759 | retval = usb_get_status(udev, USB_RECIP_INTERFACE, |
760 | iface->altsetting[0].desc.bInterfaceNumber, dev->buf); | |
15b7336e | 761 | if (retval) { |
28ffd79c | 762 | dev_err(&iface->dev, "get interface status --> %d\n", retval); |
15b7336e | 763 | return retval; |
1da177e4 | 764 | } |
fabbf219 | 765 | /* FIXME get status for each endpoint in the interface */ |
28ffd79c | 766 | |
1da177e4 LT |
767 | return 0; |
768 | } | |
769 | ||
770 | /*-------------------------------------------------------------------------*/ | |
771 | ||
772 | /* use ch9 requests to test whether: | |
773 | * (a) queues work for control, keeping N subtests queued and | |
774 | * active (auto-resubmit) for M loops through the queue. | |
775 | * (b) protocol stalls (control-only) will autorecover. | |
776 | * it's not like bulk/intr; no halt clearing. | |
777 | * (c) short control reads are reported and handled. | |
778 | * (d) queues are always processed in-order | |
779 | */ | |
780 | ||
781 | struct ctrl_ctx { | |
782 | spinlock_t lock; | |
783 | struct usbtest_dev *dev; | |
784 | struct completion complete; | |
785 | unsigned count; | |
786 | unsigned pending; | |
787 | int status; | |
788 | struct urb **urb; | |
789 | struct usbtest_param *param; | |
790 | int last; | |
791 | }; | |
792 | ||
793 | #define NUM_SUBCASES 15 /* how many test subcases here? */ | |
794 | ||
795 | struct subcase { | |
796 | struct usb_ctrlrequest setup; | |
797 | int number; | |
798 | int expected; | |
799 | }; | |
800 | ||
fabbf219 | 801 | static void ctrl_complete(struct urb *urb) |
1da177e4 LT |
802 | { |
803 | struct ctrl_ctx *ctx = urb->context; | |
804 | struct usb_ctrlrequest *reqp; | |
805 | struct subcase *subcase; | |
806 | int status = urb->status; | |
807 | ||
808 | reqp = (struct usb_ctrlrequest *)urb->setup_packet; | |
fabbf219 | 809 | subcase = container_of(reqp, struct subcase, setup); |
1da177e4 | 810 | |
fabbf219 | 811 | spin_lock(&ctx->lock); |
1da177e4 LT |
812 | ctx->count--; |
813 | ctx->pending--; | |
814 | ||
815 | /* queue must transfer and complete in fifo order, unless | |
816 | * usb_unlink_urb() is used to unlink something not at the | |
817 | * physical queue head (not tested). | |
818 | */ | |
819 | if (subcase->number > 0) { | |
820 | if ((subcase->number - ctx->last) != 1) { | |
28ffd79c DB |
821 | ERROR(ctx->dev, |
822 | "subcase %d completed out of order, last %d\n", | |
823 | subcase->number, ctx->last); | |
1da177e4 LT |
824 | status = -EDOM; |
825 | ctx->last = subcase->number; | |
826 | goto error; | |
827 | } | |
828 | } | |
829 | ctx->last = subcase->number; | |
830 | ||
831 | /* succeed or fault in only one way? */ | |
832 | if (status == subcase->expected) | |
833 | status = 0; | |
834 | ||
835 | /* async unlink for cleanup? */ | |
836 | else if (status != -ECONNRESET) { | |
837 | ||
838 | /* some faults are allowed, not required */ | |
839 | if (subcase->expected > 0 && ( | |
59d99785 GKH |
840 | ((status == -subcase->expected /* happened */ |
841 | || status == 0)))) /* didn't */ | |
1da177e4 LT |
842 | status = 0; |
843 | /* sometimes more than one fault is allowed */ | |
844 | else if (subcase->number == 12 && status == -EPIPE) | |
845 | status = 0; | |
846 | else | |
28ffd79c | 847 | ERROR(ctx->dev, "subtest %d error, status %d\n", |
1da177e4 LT |
848 | subcase->number, status); |
849 | } | |
850 | ||
851 | /* unexpected status codes mean errors; ideally, in hardware */ | |
852 | if (status) { | |
853 | error: | |
854 | if (ctx->status == 0) { | |
855 | int i; | |
856 | ||
857 | ctx->status = status; | |
28ffd79c DB |
858 | ERROR(ctx->dev, "control queue %02x.%02x, err %d, " |
859 | "%d left, subcase %d, len %d/%d\n", | |
1da177e4 | 860 | reqp->bRequestType, reqp->bRequest, |
28ffd79c DB |
861 | status, ctx->count, subcase->number, |
862 | urb->actual_length, | |
863 | urb->transfer_buffer_length); | |
1da177e4 LT |
864 | |
865 | /* FIXME this "unlink everything" exit route should | |
866 | * be a separate test case. | |
867 | */ | |
868 | ||
869 | /* unlink whatever's still pending */ | |
870 | for (i = 1; i < ctx->param->sglen; i++) { | |
fabbf219 MF |
871 | struct urb *u = ctx->urb[ |
872 | (i + subcase->number) | |
873 | % ctx->param->sglen]; | |
1da177e4 LT |
874 | |
875 | if (u == urb || !u->dev) | |
876 | continue; | |
caa2a122 | 877 | spin_unlock(&ctx->lock); |
fabbf219 | 878 | status = usb_unlink_urb(u); |
caa2a122 | 879 | spin_lock(&ctx->lock); |
1da177e4 LT |
880 | switch (status) { |
881 | case -EINPROGRESS: | |
882 | case -EBUSY: | |
883 | case -EIDRM: | |
884 | continue; | |
885 | default: | |
28ffd79c DB |
886 | ERROR(ctx->dev, "urb unlink --> %d\n", |
887 | status); | |
1da177e4 LT |
888 | } |
889 | } | |
890 | status = ctx->status; | |
891 | } | |
892 | } | |
893 | ||
894 | /* resubmit if we need to, else mark this as done */ | |
895 | if ((status == 0) && (ctx->pending < ctx->count)) { | |
fabbf219 MF |
896 | status = usb_submit_urb(urb, GFP_ATOMIC); |
897 | if (status != 0) { | |
28ffd79c DB |
898 | ERROR(ctx->dev, |
899 | "can't resubmit ctrl %02x.%02x, err %d\n", | |
1da177e4 LT |
900 | reqp->bRequestType, reqp->bRequest, status); |
901 | urb->dev = NULL; | |
902 | } else | |
903 | ctx->pending++; | |
904 | } else | |
905 | urb->dev = NULL; | |
28ffd79c | 906 | |
1da177e4 LT |
907 | /* signal completion when nothing's queued */ |
908 | if (ctx->pending == 0) | |
fabbf219 MF |
909 | complete(&ctx->complete); |
910 | spin_unlock(&ctx->lock); | |
1da177e4 LT |
911 | } |
912 | ||
913 | static int | |
fabbf219 | 914 | test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param) |
1da177e4 | 915 | { |
fabbf219 | 916 | struct usb_device *udev = testdev_to_usbdev(dev); |
1da177e4 LT |
917 | struct urb **urb; |
918 | struct ctrl_ctx context; | |
919 | int i; | |
920 | ||
e65cdfae XW |
921 | if (param->sglen == 0 || param->iterations > UINT_MAX / param->sglen) |
922 | return -EOPNOTSUPP; | |
923 | ||
fabbf219 | 924 | spin_lock_init(&context.lock); |
1da177e4 | 925 | context.dev = dev; |
fabbf219 | 926 | init_completion(&context.complete); |
1da177e4 LT |
927 | context.count = param->sglen * param->iterations; |
928 | context.pending = 0; | |
929 | context.status = -ENOMEM; | |
930 | context.param = param; | |
931 | context.last = -1; | |
932 | ||
933 | /* allocate and init the urbs we'll queue. | |
934 | * as with bulk/intr sglists, sglen is the queue depth; it also | |
935 | * controls which subtests run (more tests than sglen) or rerun. | |
936 | */ | |
e94b1766 | 937 | urb = kcalloc(param->sglen, sizeof(struct urb *), GFP_KERNEL); |
1da177e4 LT |
938 | if (!urb) |
939 | return -ENOMEM; | |
1da177e4 | 940 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 941 | int pipe = usb_rcvctrlpipe(udev, 0); |
1da177e4 LT |
942 | unsigned len; |
943 | struct urb *u; | |
944 | struct usb_ctrlrequest req; | |
945 | struct subcase *reqp; | |
6def7553 MS |
946 | |
947 | /* sign of this variable means: | |
948 | * -: tested code must return this (negative) error code | |
949 | * +: tested code may return this (negative too) error code | |
950 | */ | |
1da177e4 LT |
951 | int expected = 0; |
952 | ||
953 | /* requests here are mostly expected to succeed on any | |
954 | * device, but some are chosen to trigger protocol stalls | |
955 | * or short reads. | |
956 | */ | |
fabbf219 | 957 | memset(&req, 0, sizeof req); |
1da177e4 LT |
958 | req.bRequest = USB_REQ_GET_DESCRIPTOR; |
959 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
960 | ||
961 | switch (i % NUM_SUBCASES) { | |
fabbf219 MF |
962 | case 0: /* get device descriptor */ |
963 | req.wValue = cpu_to_le16(USB_DT_DEVICE << 8); | |
964 | len = sizeof(struct usb_device_descriptor); | |
1da177e4 | 965 | break; |
fabbf219 MF |
966 | case 1: /* get first config descriptor (only) */ |
967 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
968 | len = sizeof(struct usb_config_descriptor); | |
1da177e4 | 969 | break; |
fabbf219 | 970 | case 2: /* get altsetting (OFTEN STALLS) */ |
1da177e4 LT |
971 | req.bRequest = USB_REQ_GET_INTERFACE; |
972 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 973 | /* index = 0 means first interface */ |
1da177e4 LT |
974 | len = 1; |
975 | expected = EPIPE; | |
976 | break; | |
fabbf219 | 977 | case 3: /* get interface status */ |
1da177e4 LT |
978 | req.bRequest = USB_REQ_GET_STATUS; |
979 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 980 | /* interface 0 */ |
1da177e4 LT |
981 | len = 2; |
982 | break; | |
fabbf219 | 983 | case 4: /* get device status */ |
1da177e4 LT |
984 | req.bRequest = USB_REQ_GET_STATUS; |
985 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
986 | len = 2; | |
987 | break; | |
fabbf219 | 988 | case 5: /* get device qualifier (MAY STALL) */ |
1da177e4 | 989 | req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); |
fabbf219 | 990 | len = sizeof(struct usb_qualifier_descriptor); |
1da177e4 LT |
991 | if (udev->speed != USB_SPEED_HIGH) |
992 | expected = EPIPE; | |
993 | break; | |
fabbf219 MF |
994 | case 6: /* get first config descriptor, plus interface */ |
995 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
996 | len = sizeof(struct usb_config_descriptor); | |
997 | len += sizeof(struct usb_interface_descriptor); | |
1da177e4 | 998 | break; |
fabbf219 | 999 | case 7: /* get interface descriptor (ALWAYS STALLS) */ |
1da177e4 | 1000 | req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); |
fabbf219 MF |
1001 | /* interface == 0 */ |
1002 | len = sizeof(struct usb_interface_descriptor); | |
28ffd79c | 1003 | expected = -EPIPE; |
1da177e4 | 1004 | break; |
fabbf219 MF |
1005 | /* NOTE: two consecutive stalls in the queue here. |
1006 | * that tests fault recovery a bit more aggressively. */ | |
1007 | case 8: /* clear endpoint halt (MAY STALL) */ | |
1da177e4 LT |
1008 | req.bRequest = USB_REQ_CLEAR_FEATURE; |
1009 | req.bRequestType = USB_RECIP_ENDPOINT; | |
fabbf219 MF |
1010 | /* wValue 0 == ep halt */ |
1011 | /* wIndex 0 == ep0 (shouldn't halt!) */ | |
1da177e4 | 1012 | len = 0; |
fabbf219 | 1013 | pipe = usb_sndctrlpipe(udev, 0); |
1da177e4 LT |
1014 | expected = EPIPE; |
1015 | break; | |
fabbf219 | 1016 | case 9: /* get endpoint status */ |
1da177e4 LT |
1017 | req.bRequest = USB_REQ_GET_STATUS; |
1018 | req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; | |
fabbf219 | 1019 | /* endpoint 0 */ |
1da177e4 LT |
1020 | len = 2; |
1021 | break; | |
fabbf219 MF |
1022 | case 10: /* trigger short read (EREMOTEIO) */ |
1023 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1da177e4 LT |
1024 | len = 1024; |
1025 | expected = -EREMOTEIO; | |
1026 | break; | |
fabbf219 MF |
1027 | /* NOTE: two consecutive _different_ faults in the queue. */ |
1028 | case 11: /* get endpoint descriptor (ALWAYS STALLS) */ | |
1029 | req.wValue = cpu_to_le16(USB_DT_ENDPOINT << 8); | |
1030 | /* endpoint == 0 */ | |
1031 | len = sizeof(struct usb_interface_descriptor); | |
1da177e4 LT |
1032 | expected = EPIPE; |
1033 | break; | |
fabbf219 MF |
1034 | /* NOTE: sometimes even a third fault in the queue! */ |
1035 | case 12: /* get string 0 descriptor (MAY STALL) */ | |
1036 | req.wValue = cpu_to_le16(USB_DT_STRING << 8); | |
1037 | /* string == 0, for language IDs */ | |
1038 | len = sizeof(struct usb_interface_descriptor); | |
1039 | /* may succeed when > 4 languages */ | |
1040 | expected = EREMOTEIO; /* or EPIPE, if no strings */ | |
1da177e4 | 1041 | break; |
fabbf219 MF |
1042 | case 13: /* short read, resembling case 10 */ |
1043 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1044 | /* last data packet "should" be DATA1, not DATA0 */ | |
6a23ccd2 PZ |
1045 | if (udev->speed == USB_SPEED_SUPER) |
1046 | len = 1024 - 512; | |
1047 | else | |
1048 | len = 1024 - udev->descriptor.bMaxPacketSize0; | |
1da177e4 LT |
1049 | expected = -EREMOTEIO; |
1050 | break; | |
fabbf219 MF |
1051 | case 14: /* short read; try to fill the last packet */ |
1052 | req.wValue = cpu_to_le16((USB_DT_DEVICE << 8) | 0); | |
28ffd79c | 1053 | /* device descriptor size == 18 bytes */ |
1da177e4 | 1054 | len = udev->descriptor.bMaxPacketSize0; |
67e7d64b SAS |
1055 | if (udev->speed == USB_SPEED_SUPER) |
1056 | len = 512; | |
1da177e4 | 1057 | switch (len) { |
fabbf219 MF |
1058 | case 8: |
1059 | len = 24; | |
1060 | break; | |
1061 | case 16: | |
1062 | len = 32; | |
1063 | break; | |
1da177e4 LT |
1064 | } |
1065 | expected = -EREMOTEIO; | |
1066 | break; | |
1067 | default: | |
28ffd79c | 1068 | ERROR(dev, "bogus number of ctrl queue testcases!\n"); |
1da177e4 LT |
1069 | context.status = -EINVAL; |
1070 | goto cleanup; | |
1071 | } | |
fabbf219 MF |
1072 | req.wLength = cpu_to_le16(len); |
1073 | urb[i] = u = simple_alloc_urb(udev, pipe, len); | |
1da177e4 LT |
1074 | if (!u) |
1075 | goto cleanup; | |
1076 | ||
0ede76fc | 1077 | reqp = kmalloc(sizeof *reqp, GFP_KERNEL); |
1da177e4 LT |
1078 | if (!reqp) |
1079 | goto cleanup; | |
1080 | reqp->setup = req; | |
1081 | reqp->number = i % NUM_SUBCASES; | |
1082 | reqp->expected = expected; | |
1083 | u->setup_packet = (char *) &reqp->setup; | |
1084 | ||
1085 | u->context = &context; | |
1086 | u->complete = ctrl_complete; | |
1da177e4 LT |
1087 | } |
1088 | ||
1089 | /* queue the urbs */ | |
1090 | context.urb = urb; | |
fabbf219 | 1091 | spin_lock_irq(&context.lock); |
1da177e4 | 1092 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 1093 | context.status = usb_submit_urb(urb[i], GFP_ATOMIC); |
1da177e4 | 1094 | if (context.status != 0) { |
28ffd79c | 1095 | ERROR(dev, "can't submit urb[%d], status %d\n", |
1da177e4 LT |
1096 | i, context.status); |
1097 | context.count = context.pending; | |
1098 | break; | |
1099 | } | |
1100 | context.pending++; | |
1101 | } | |
fabbf219 | 1102 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1103 | |
1104 | /* FIXME set timer and time out; provide a disconnect hook */ | |
1105 | ||
1106 | /* wait for the last one to complete */ | |
1107 | if (context.pending > 0) | |
fabbf219 | 1108 | wait_for_completion(&context.complete); |
1da177e4 LT |
1109 | |
1110 | cleanup: | |
1111 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1112 | if (!urb[i]) |
1da177e4 | 1113 | continue; |
fabbf219 | 1114 | urb[i]->dev = udev; |
0ede76fc | 1115 | kfree(urb[i]->setup_packet); |
fabbf219 | 1116 | simple_free_urb(urb[i]); |
1da177e4 | 1117 | } |
fabbf219 | 1118 | kfree(urb); |
1da177e4 LT |
1119 | return context.status; |
1120 | } | |
1121 | #undef NUM_SUBCASES | |
1122 | ||
1123 | ||
1124 | /*-------------------------------------------------------------------------*/ | |
1125 | ||
fabbf219 | 1126 | static void unlink1_callback(struct urb *urb) |
1da177e4 LT |
1127 | { |
1128 | int status = urb->status; | |
1129 | ||
fabbf219 | 1130 | /* we "know" -EPIPE (stall) never happens */ |
1da177e4 | 1131 | if (!status) |
fabbf219 | 1132 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1133 | if (status) { |
1134 | urb->status = status; | |
cdc97792 | 1135 | complete(urb->context); |
1da177e4 LT |
1136 | } |
1137 | } | |
1138 | ||
fabbf219 | 1139 | static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async) |
1da177e4 LT |
1140 | { |
1141 | struct urb *urb; | |
1142 | struct completion completion; | |
1143 | int retval = 0; | |
1144 | ||
fabbf219 MF |
1145 | init_completion(&completion); |
1146 | urb = simple_alloc_urb(testdev_to_usbdev(dev), pipe, size); | |
1da177e4 LT |
1147 | if (!urb) |
1148 | return -ENOMEM; | |
1da177e4 LT |
1149 | urb->context = &completion; |
1150 | urb->complete = unlink1_callback; | |
1151 | ||
1152 | /* keep the endpoint busy. there are lots of hc/hcd-internal | |
1153 | * states, and testing should get to all of them over time. | |
1154 | * | |
1155 | * FIXME want additional tests for when endpoint is STALLing | |
1156 | * due to errors, or is just NAKing requests. | |
1157 | */ | |
fabbf219 MF |
1158 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1159 | if (retval != 0) { | |
28ffd79c | 1160 | dev_err(&dev->intf->dev, "submit fail %d\n", retval); |
1da177e4 LT |
1161 | return retval; |
1162 | } | |
1163 | ||
1164 | /* unlinking that should always work. variable delay tests more | |
1165 | * hcd states and code paths, even with little other system load. | |
1166 | */ | |
fabbf219 | 1167 | msleep(jiffies % (2 * INTERRUPT_RATE)); |
1da177e4 | 1168 | if (async) { |
3b6c023f MF |
1169 | while (!completion_done(&completion)) { |
1170 | retval = usb_unlink_urb(urb); | |
1171 | ||
1172 | switch (retval) { | |
1173 | case -EBUSY: | |
1174 | case -EIDRM: | |
1175 | /* we can't unlink urbs while they're completing | |
1176 | * or if they've completed, and we haven't | |
1177 | * resubmitted. "normal" drivers would prevent | |
1178 | * resubmission, but since we're testing unlink | |
1179 | * paths, we can't. | |
1180 | */ | |
1181 | ERROR(dev, "unlink retry\n"); | |
1182 | continue; | |
1183 | case 0: | |
1184 | case -EINPROGRESS: | |
1185 | break; | |
1186 | ||
1187 | default: | |
1188 | dev_err(&dev->intf->dev, | |
1189 | "unlink fail %d\n", retval); | |
1190 | return retval; | |
1191 | } | |
1192 | ||
1193 | break; | |
1da177e4 LT |
1194 | } |
1195 | } else | |
fabbf219 | 1196 | usb_kill_urb(urb); |
1da177e4 | 1197 | |
fabbf219 | 1198 | wait_for_completion(&completion); |
1da177e4 | 1199 | retval = urb->status; |
fabbf219 | 1200 | simple_free_urb(urb); |
1da177e4 LT |
1201 | |
1202 | if (async) | |
1203 | return (retval == -ECONNRESET) ? 0 : retval - 1000; | |
1204 | else | |
1205 | return (retval == -ENOENT || retval == -EPERM) ? | |
1206 | 0 : retval - 2000; | |
1207 | } | |
1208 | ||
fabbf219 | 1209 | static int unlink_simple(struct usbtest_dev *dev, int pipe, int len) |
1da177e4 LT |
1210 | { |
1211 | int retval = 0; | |
1212 | ||
1213 | /* test sync and async paths */ | |
fabbf219 | 1214 | retval = unlink1(dev, pipe, len, 1); |
1da177e4 | 1215 | if (!retval) |
fabbf219 | 1216 | retval = unlink1(dev, pipe, len, 0); |
1da177e4 LT |
1217 | return retval; |
1218 | } | |
1219 | ||
1220 | /*-------------------------------------------------------------------------*/ | |
1221 | ||
869410f8 AS |
1222 | struct queued_ctx { |
1223 | struct completion complete; | |
1224 | atomic_t pending; | |
1225 | unsigned num; | |
1226 | int status; | |
1227 | struct urb **urbs; | |
1228 | }; | |
1229 | ||
1230 | static void unlink_queued_callback(struct urb *urb) | |
1231 | { | |
1232 | int status = urb->status; | |
1233 | struct queued_ctx *ctx = urb->context; | |
1234 | ||
1235 | if (ctx->status) | |
1236 | goto done; | |
1237 | if (urb == ctx->urbs[ctx->num - 4] || urb == ctx->urbs[ctx->num - 2]) { | |
1238 | if (status == -ECONNRESET) | |
1239 | goto done; | |
1240 | /* What error should we report if the URB completed normally? */ | |
1241 | } | |
1242 | if (status != 0) | |
1243 | ctx->status = status; | |
1244 | ||
1245 | done: | |
1246 | if (atomic_dec_and_test(&ctx->pending)) | |
1247 | complete(&ctx->complete); | |
1248 | } | |
1249 | ||
1250 | static int unlink_queued(struct usbtest_dev *dev, int pipe, unsigned num, | |
1251 | unsigned size) | |
1252 | { | |
1253 | struct queued_ctx ctx; | |
1254 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1255 | void *buf; | |
1256 | dma_addr_t buf_dma; | |
1257 | int i; | |
1258 | int retval = -ENOMEM; | |
1259 | ||
1260 | init_completion(&ctx.complete); | |
1261 | atomic_set(&ctx.pending, 1); /* One more than the actual value */ | |
1262 | ctx.num = num; | |
1263 | ctx.status = 0; | |
1264 | ||
1265 | buf = usb_alloc_coherent(udev, size, GFP_KERNEL, &buf_dma); | |
1266 | if (!buf) | |
1267 | return retval; | |
1268 | memset(buf, 0, size); | |
1269 | ||
1270 | /* Allocate and init the urbs we'll queue */ | |
1271 | ctx.urbs = kcalloc(num, sizeof(struct urb *), GFP_KERNEL); | |
1272 | if (!ctx.urbs) | |
1273 | goto free_buf; | |
1274 | for (i = 0; i < num; i++) { | |
1275 | ctx.urbs[i] = usb_alloc_urb(0, GFP_KERNEL); | |
1276 | if (!ctx.urbs[i]) | |
1277 | goto free_urbs; | |
1278 | usb_fill_bulk_urb(ctx.urbs[i], udev, pipe, buf, size, | |
1279 | unlink_queued_callback, &ctx); | |
1280 | ctx.urbs[i]->transfer_dma = buf_dma; | |
1281 | ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; | |
1282 | } | |
1283 | ||
1284 | /* Submit all the URBs and then unlink URBs num - 4 and num - 2. */ | |
1285 | for (i = 0; i < num; i++) { | |
1286 | atomic_inc(&ctx.pending); | |
1287 | retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL); | |
1288 | if (retval != 0) { | |
1289 | dev_err(&dev->intf->dev, "submit urbs[%d] fail %d\n", | |
1290 | i, retval); | |
1291 | atomic_dec(&ctx.pending); | |
1292 | ctx.status = retval; | |
1293 | break; | |
1294 | } | |
1295 | } | |
1296 | if (i == num) { | |
1297 | usb_unlink_urb(ctx.urbs[num - 4]); | |
1298 | usb_unlink_urb(ctx.urbs[num - 2]); | |
1299 | } else { | |
1300 | while (--i >= 0) | |
1301 | usb_unlink_urb(ctx.urbs[i]); | |
1302 | } | |
1303 | ||
1304 | if (atomic_dec_and_test(&ctx.pending)) /* The extra count */ | |
1305 | complete(&ctx.complete); | |
1306 | wait_for_completion(&ctx.complete); | |
1307 | retval = ctx.status; | |
1308 | ||
1309 | free_urbs: | |
1310 | for (i = 0; i < num; i++) | |
1311 | usb_free_urb(ctx.urbs[i]); | |
1312 | kfree(ctx.urbs); | |
1313 | free_buf: | |
1314 | usb_free_coherent(udev, size, buf, buf_dma); | |
1315 | return retval; | |
1316 | } | |
1317 | ||
1318 | /*-------------------------------------------------------------------------*/ | |
1319 | ||
28ffd79c | 1320 | static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1321 | { |
1322 | int retval; | |
1323 | u16 status; | |
1324 | ||
1325 | /* shouldn't look or act halted */ | |
fabbf219 | 1326 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1327 | if (retval < 0) { |
28ffd79c DB |
1328 | ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", |
1329 | ep, retval); | |
1da177e4 LT |
1330 | return retval; |
1331 | } | |
1332 | if (status != 0) { | |
28ffd79c | 1333 | ERROR(tdev, "ep %02x bogus status: %04x != 0\n", ep, status); |
1da177e4 LT |
1334 | return -EINVAL; |
1335 | } | |
28ffd79c | 1336 | retval = simple_io(tdev, urb, 1, 0, 0, __func__); |
1da177e4 LT |
1337 | if (retval != 0) |
1338 | return -EINVAL; | |
1339 | return 0; | |
1340 | } | |
1341 | ||
28ffd79c | 1342 | static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1343 | { |
1344 | int retval; | |
1345 | u16 status; | |
1346 | ||
1347 | /* should look and act halted */ | |
fabbf219 | 1348 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1349 | if (retval < 0) { |
28ffd79c DB |
1350 | ERROR(tdev, "ep %02x couldn't get halt status, %d\n", |
1351 | ep, retval); | |
1da177e4 LT |
1352 | return retval; |
1353 | } | |
1354 | if (status != 1) { | |
28ffd79c | 1355 | ERROR(tdev, "ep %02x bogus status: %04x != 1\n", ep, status); |
1da177e4 LT |
1356 | return -EINVAL; |
1357 | } | |
28ffd79c | 1358 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__); |
1da177e4 LT |
1359 | if (retval != -EPIPE) |
1360 | return -EINVAL; | |
28ffd79c | 1361 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted"); |
1da177e4 LT |
1362 | if (retval != -EPIPE) |
1363 | return -EINVAL; | |
1364 | return 0; | |
1365 | } | |
1366 | ||
28ffd79c | 1367 | static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1368 | { |
1369 | int retval; | |
1370 | ||
1371 | /* shouldn't look or act halted now */ | |
28ffd79c | 1372 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1373 | if (retval < 0) |
1374 | return retval; | |
1375 | ||
1376 | /* set halt (protocol test only), verify it worked */ | |
fabbf219 | 1377 | retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0), |
1da177e4 LT |
1378 | USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, |
1379 | USB_ENDPOINT_HALT, ep, | |
1380 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
1381 | if (retval < 0) { | |
28ffd79c | 1382 | ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval); |
1da177e4 LT |
1383 | return retval; |
1384 | } | |
28ffd79c | 1385 | retval = verify_halted(tdev, ep, urb); |
1da177e4 LT |
1386 | if (retval < 0) |
1387 | return retval; | |
1388 | ||
1389 | /* clear halt (tests API + protocol), verify it worked */ | |
fabbf219 | 1390 | retval = usb_clear_halt(urb->dev, urb->pipe); |
1da177e4 | 1391 | if (retval < 0) { |
28ffd79c | 1392 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval); |
1da177e4 LT |
1393 | return retval; |
1394 | } | |
28ffd79c | 1395 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1396 | if (retval < 0) |
1397 | return retval; | |
1398 | ||
1399 | /* NOTE: could also verify SET_INTERFACE clear halts ... */ | |
1400 | ||
1401 | return 0; | |
1402 | } | |
1403 | ||
fabbf219 | 1404 | static int halt_simple(struct usbtest_dev *dev) |
1da177e4 | 1405 | { |
6a23ccd2 PZ |
1406 | int ep; |
1407 | int retval = 0; | |
1408 | struct urb *urb; | |
1409 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1da177e4 | 1410 | |
6a23ccd2 PZ |
1411 | if (udev->speed == USB_SPEED_SUPER) |
1412 | urb = simple_alloc_urb(udev, 0, 1024); | |
1413 | else | |
1414 | urb = simple_alloc_urb(udev, 0, 512); | |
1da177e4 LT |
1415 | if (urb == NULL) |
1416 | return -ENOMEM; | |
1417 | ||
1418 | if (dev->in_pipe) { | |
fabbf219 | 1419 | ep = usb_pipeendpoint(dev->in_pipe) | USB_DIR_IN; |
1da177e4 | 1420 | urb->pipe = dev->in_pipe; |
28ffd79c | 1421 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1422 | if (retval < 0) |
1423 | goto done; | |
1424 | } | |
1425 | ||
1426 | if (dev->out_pipe) { | |
fabbf219 | 1427 | ep = usb_pipeendpoint(dev->out_pipe); |
1da177e4 | 1428 | urb->pipe = dev->out_pipe; |
28ffd79c | 1429 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1430 | } |
1431 | done: | |
fabbf219 | 1432 | simple_free_urb(urb); |
1da177e4 LT |
1433 | return retval; |
1434 | } | |
1435 | ||
1436 | /*-------------------------------------------------------------------------*/ | |
1437 | ||
1438 | /* Control OUT tests use the vendor control requests from Intel's | |
1439 | * USB 2.0 compliance test device: write a buffer, read it back. | |
1440 | * | |
1441 | * Intel's spec only _requires_ that it work for one packet, which | |
1442 | * is pretty weak. Some HCDs place limits here; most devices will | |
1443 | * need to be able to handle more than one OUT data packet. We'll | |
1444 | * try whatever we're told to try. | |
1445 | */ | |
fabbf219 | 1446 | static int ctrl_out(struct usbtest_dev *dev, |
084fb206 | 1447 | unsigned count, unsigned length, unsigned vary, unsigned offset) |
1da177e4 | 1448 | { |
f54fa84d OF |
1449 | unsigned i, j, len; |
1450 | int retval; | |
1da177e4 LT |
1451 | u8 *buf; |
1452 | char *what = "?"; | |
1453 | struct usb_device *udev; | |
f54fa84d | 1454 | |
ff7c79e4 | 1455 | if (length < 1 || length > 0xffff || vary >= length) |
1da177e4 LT |
1456 | return -EINVAL; |
1457 | ||
084fb206 | 1458 | buf = kmalloc(length + offset, GFP_KERNEL); |
1da177e4 LT |
1459 | if (!buf) |
1460 | return -ENOMEM; | |
1461 | ||
084fb206 | 1462 | buf += offset; |
fabbf219 | 1463 | udev = testdev_to_usbdev(dev); |
1da177e4 LT |
1464 | len = length; |
1465 | retval = 0; | |
1466 | ||
1467 | /* NOTE: hardware might well act differently if we pushed it | |
1468 | * with lots back-to-back queued requests. | |
1469 | */ | |
1470 | for (i = 0; i < count; i++) { | |
1471 | /* write patterned data */ | |
1472 | for (j = 0; j < len; j++) | |
fabbf219 MF |
1473 | buf[j] = i + j; |
1474 | retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
1da177e4 LT |
1475 | 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, |
1476 | 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); | |
1477 | if (retval != len) { | |
1478 | what = "write"; | |
ff7c79e4 | 1479 | if (retval >= 0) { |
28ffd79c | 1480 | ERROR(dev, "ctrl_out, wlen %d (expected %d)\n", |
ff7c79e4 DB |
1481 | retval, len); |
1482 | retval = -EBADMSG; | |
1483 | } | |
1da177e4 LT |
1484 | break; |
1485 | } | |
1486 | ||
1487 | /* read it back -- assuming nothing intervened!! */ | |
fabbf219 | 1488 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
1489 | 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, |
1490 | 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); | |
1491 | if (retval != len) { | |
1492 | what = "read"; | |
ff7c79e4 | 1493 | if (retval >= 0) { |
28ffd79c | 1494 | ERROR(dev, "ctrl_out, rlen %d (expected %d)\n", |
ff7c79e4 DB |
1495 | retval, len); |
1496 | retval = -EBADMSG; | |
1497 | } | |
1da177e4 LT |
1498 | break; |
1499 | } | |
1500 | ||
1501 | /* fail if we can't verify */ | |
1502 | for (j = 0; j < len; j++) { | |
fabbf219 | 1503 | if (buf[j] != (u8) (i + j)) { |
28ffd79c | 1504 | ERROR(dev, "ctrl_out, byte %d is %d not %d\n", |
fabbf219 | 1505 | j, buf[j], (u8) i + j); |
1da177e4 LT |
1506 | retval = -EBADMSG; |
1507 | break; | |
1508 | } | |
1509 | } | |
1510 | if (retval < 0) { | |
1511 | what = "verify"; | |
1512 | break; | |
1513 | } | |
1514 | ||
1515 | len += vary; | |
ff7c79e4 DB |
1516 | |
1517 | /* [real world] the "zero bytes IN" case isn't really used. | |
dc0d5c1e | 1518 | * hardware can easily trip up in this weird case, since its |
ff7c79e4 DB |
1519 | * status stage is IN, not OUT like other ep0in transfers. |
1520 | */ | |
1da177e4 | 1521 | if (len > length) |
ff7c79e4 | 1522 | len = realworld ? 1 : 0; |
1da177e4 LT |
1523 | } |
1524 | ||
1525 | if (retval < 0) | |
fabbf219 | 1526 | ERROR(dev, "ctrl_out %s failed, code %d, count %d\n", |
1da177e4 LT |
1527 | what, retval, i); |
1528 | ||
084fb206 | 1529 | kfree(buf - offset); |
1da177e4 LT |
1530 | return retval; |
1531 | } | |
1532 | ||
1533 | /*-------------------------------------------------------------------------*/ | |
1534 | ||
1535 | /* ISO tests ... mimics common usage | |
1536 | * - buffer length is split into N packets (mostly maxpacket sized) | |
1537 | * - multi-buffers according to sglen | |
1538 | */ | |
1539 | ||
1540 | struct iso_context { | |
1541 | unsigned count; | |
1542 | unsigned pending; | |
1543 | spinlock_t lock; | |
1544 | struct completion done; | |
9da2150f | 1545 | int submit_error; |
1da177e4 | 1546 | unsigned long errors; |
9da2150f | 1547 | unsigned long packet_count; |
1da177e4 LT |
1548 | struct usbtest_dev *dev; |
1549 | }; | |
1550 | ||
fabbf219 | 1551 | static void iso_callback(struct urb *urb) |
1da177e4 LT |
1552 | { |
1553 | struct iso_context *ctx = urb->context; | |
1554 | ||
1555 | spin_lock(&ctx->lock); | |
1556 | ctx->count--; | |
1557 | ||
9da2150f | 1558 | ctx->packet_count += urb->number_of_packets; |
1da177e4 LT |
1559 | if (urb->error_count > 0) |
1560 | ctx->errors += urb->error_count; | |
9da2150f AS |
1561 | else if (urb->status != 0) |
1562 | ctx->errors += urb->number_of_packets; | |
40aed524 MF |
1563 | else if (urb->actual_length != urb->transfer_buffer_length) |
1564 | ctx->errors++; | |
084fb206 MF |
1565 | else if (check_guard_bytes(ctx->dev, urb) != 0) |
1566 | ctx->errors++; | |
1da177e4 | 1567 | |
9da2150f AS |
1568 | if (urb->status == 0 && ctx->count > (ctx->pending - 1) |
1569 | && !ctx->submit_error) { | |
fabbf219 | 1570 | int status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1571 | switch (status) { |
1572 | case 0: | |
1573 | goto done; | |
1574 | default: | |
28ffd79c | 1575 | dev_err(&ctx->dev->intf->dev, |
1da177e4 LT |
1576 | "iso resubmit err %d\n", |
1577 | status); | |
1578 | /* FALLTHROUGH */ | |
1579 | case -ENODEV: /* disconnected */ | |
9da2150f AS |
1580 | case -ESHUTDOWN: /* endpoint disabled */ |
1581 | ctx->submit_error = 1; | |
1da177e4 LT |
1582 | break; |
1583 | } | |
1584 | } | |
1da177e4 LT |
1585 | |
1586 | ctx->pending--; | |
1587 | if (ctx->pending == 0) { | |
1588 | if (ctx->errors) | |
28ffd79c | 1589 | dev_err(&ctx->dev->intf->dev, |
9da2150f AS |
1590 | "iso test, %lu errors out of %lu\n", |
1591 | ctx->errors, ctx->packet_count); | |
fabbf219 | 1592 | complete(&ctx->done); |
1da177e4 LT |
1593 | } |
1594 | done: | |
1595 | spin_unlock(&ctx->lock); | |
1596 | } | |
1597 | ||
fabbf219 | 1598 | static struct urb *iso_alloc_urb( |
1da177e4 LT |
1599 | struct usb_device *udev, |
1600 | int pipe, | |
1601 | struct usb_endpoint_descriptor *desc, | |
084fb206 MF |
1602 | long bytes, |
1603 | unsigned offset | |
1da177e4 LT |
1604 | ) |
1605 | { | |
1606 | struct urb *urb; | |
1607 | unsigned i, maxp, packets; | |
1608 | ||
1609 | if (bytes < 0 || !desc) | |
1610 | return NULL; | |
29cc8897 KM |
1611 | maxp = 0x7ff & usb_endpoint_maxp(desc); |
1612 | maxp *= 1 + (0x3 & (usb_endpoint_maxp(desc) >> 11)); | |
dfa5ec79 | 1613 | packets = DIV_ROUND_UP(bytes, maxp); |
1da177e4 | 1614 | |
fabbf219 | 1615 | urb = usb_alloc_urb(packets, GFP_KERNEL); |
1da177e4 LT |
1616 | if (!urb) |
1617 | return urb; | |
1618 | urb->dev = udev; | |
1619 | urb->pipe = pipe; | |
1620 | ||
1621 | urb->number_of_packets = packets; | |
1622 | urb->transfer_buffer_length = bytes; | |
084fb206 MF |
1623 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, |
1624 | GFP_KERNEL, | |
1625 | &urb->transfer_dma); | |
1da177e4 | 1626 | if (!urb->transfer_buffer) { |
fabbf219 | 1627 | usb_free_urb(urb); |
1da177e4 LT |
1628 | return NULL; |
1629 | } | |
084fb206 MF |
1630 | if (offset) { |
1631 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
1632 | urb->transfer_buffer += offset; | |
1633 | urb->transfer_dma += offset; | |
1634 | } | |
1635 | /* For inbound transfers use guard byte so that test fails if | |
1636 | data not correctly copied */ | |
1637 | memset(urb->transfer_buffer, | |
1638 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
1639 | bytes); | |
1640 | ||
1da177e4 LT |
1641 | for (i = 0; i < packets; i++) { |
1642 | /* here, only the last packet will be short */ | |
fabbf219 | 1643 | urb->iso_frame_desc[i].length = min((unsigned) bytes, maxp); |
1da177e4 LT |
1644 | bytes -= urb->iso_frame_desc[i].length; |
1645 | ||
1646 | urb->iso_frame_desc[i].offset = maxp * i; | |
1647 | } | |
1648 | ||
1649 | urb->complete = iso_callback; | |
fabbf219 | 1650 | /* urb->context = SET BY CALLER */ |
1da177e4 LT |
1651 | urb->interval = 1 << (desc->bInterval - 1); |
1652 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; | |
1653 | return urb; | |
1654 | } | |
1655 | ||
1656 | static int | |
fabbf219 | 1657 | test_iso_queue(struct usbtest_dev *dev, struct usbtest_param *param, |
084fb206 | 1658 | int pipe, struct usb_endpoint_descriptor *desc, unsigned offset) |
1da177e4 LT |
1659 | { |
1660 | struct iso_context context; | |
1661 | struct usb_device *udev; | |
1662 | unsigned i; | |
1663 | unsigned long packets = 0; | |
9da2150f | 1664 | int status = 0; |
1da177e4 LT |
1665 | struct urb *urbs[10]; /* FIXME no limit */ |
1666 | ||
1667 | if (param->sglen > 10) | |
1668 | return -EDOM; | |
1669 | ||
9da2150f | 1670 | memset(&context, 0, sizeof context); |
1da177e4 | 1671 | context.count = param->iterations * param->sglen; |
1da177e4 | 1672 | context.dev = dev; |
fabbf219 MF |
1673 | init_completion(&context.done); |
1674 | spin_lock_init(&context.lock); | |
1da177e4 | 1675 | |
fabbf219 MF |
1676 | memset(urbs, 0, sizeof urbs); |
1677 | udev = testdev_to_usbdev(dev); | |
28ffd79c | 1678 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1679 | "... iso period %d %sframes, wMaxPacket %04x\n", |
1680 | 1 << (desc->bInterval - 1), | |
1681 | (udev->speed == USB_SPEED_HIGH) ? "micro" : "", | |
29cc8897 | 1682 | usb_endpoint_maxp(desc)); |
1da177e4 LT |
1683 | |
1684 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1685 | urbs[i] = iso_alloc_urb(udev, pipe, desc, |
084fb206 | 1686 | param->length, offset); |
fabbf219 | 1687 | if (!urbs[i]) { |
1da177e4 LT |
1688 | status = -ENOMEM; |
1689 | goto fail; | |
1690 | } | |
1691 | packets += urbs[i]->number_of_packets; | |
fabbf219 | 1692 | urbs[i]->context = &context; |
1da177e4 LT |
1693 | } |
1694 | packets *= param->iterations; | |
28ffd79c | 1695 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1696 | "... total %lu msec (%lu packets)\n", |
1697 | (packets * (1 << (desc->bInterval - 1))) | |
1698 | / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), | |
1699 | packets); | |
1700 | ||
fabbf219 | 1701 | spin_lock_irq(&context.lock); |
1da177e4 | 1702 | for (i = 0; i < param->sglen; i++) { |
9da2150f | 1703 | ++context.pending; |
fabbf219 | 1704 | status = usb_submit_urb(urbs[i], GFP_ATOMIC); |
1da177e4 | 1705 | if (status < 0) { |
fabbf219 | 1706 | ERROR(dev, "submit iso[%d], error %d\n", i, status); |
1da177e4 | 1707 | if (i == 0) { |
fabbf219 | 1708 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1709 | goto fail; |
1710 | } | |
1711 | ||
fabbf219 | 1712 | simple_free_urb(urbs[i]); |
e10e1bec | 1713 | urbs[i] = NULL; |
1da177e4 | 1714 | context.pending--; |
9da2150f AS |
1715 | context.submit_error = 1; |
1716 | break; | |
1da177e4 LT |
1717 | } |
1718 | } | |
fabbf219 | 1719 | spin_unlock_irq(&context.lock); |
1da177e4 | 1720 | |
fabbf219 | 1721 | wait_for_completion(&context.done); |
9da2150f | 1722 | |
e10e1bec ML |
1723 | for (i = 0; i < param->sglen; i++) { |
1724 | if (urbs[i]) | |
1725 | simple_free_urb(urbs[i]); | |
1726 | } | |
9da2150f AS |
1727 | /* |
1728 | * Isochronous transfers are expected to fail sometimes. As an | |
1729 | * arbitrary limit, we will report an error if any submissions | |
1730 | * fail or if the transfer failure rate is > 10%. | |
1731 | */ | |
1732 | if (status != 0) | |
1733 | ; | |
1734 | else if (context.submit_error) | |
1735 | status = -EACCES; | |
1736 | else if (context.errors > context.packet_count / 10) | |
1737 | status = -EIO; | |
1738 | return status; | |
1da177e4 LT |
1739 | |
1740 | fail: | |
1741 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 MF |
1742 | if (urbs[i]) |
1743 | simple_free_urb(urbs[i]); | |
1da177e4 LT |
1744 | } |
1745 | return status; | |
1746 | } | |
1747 | ||
084fb206 MF |
1748 | static int test_unaligned_bulk( |
1749 | struct usbtest_dev *tdev, | |
1750 | int pipe, | |
1751 | unsigned length, | |
1752 | int iterations, | |
1753 | unsigned transfer_flags, | |
1754 | const char *label) | |
1755 | { | |
1756 | int retval; | |
1757 | struct urb *urb = usbtest_alloc_urb( | |
1758 | testdev_to_usbdev(tdev), pipe, length, transfer_flags, 1); | |
1759 | ||
1760 | if (!urb) | |
1761 | return -ENOMEM; | |
1762 | ||
1763 | retval = simple_io(tdev, urb, iterations, 0, 0, label); | |
1764 | simple_free_urb(urb); | |
1765 | return retval; | |
1766 | } | |
1767 | ||
1da177e4 LT |
1768 | /*-------------------------------------------------------------------------*/ |
1769 | ||
1770 | /* We only have this one interface to user space, through usbfs. | |
1771 | * User mode code can scan usbfs to find N different devices (maybe on | |
1772 | * different busses) to use when testing, and allocate one thread per | |
1773 | * test. So discovery is simplified, and we have no device naming issues. | |
1774 | * | |
1775 | * Don't use these only as stress/load tests. Use them along with with | |
1776 | * other USB bus activity: plugging, unplugging, mousing, mp3 playback, | |
1777 | * video capture, and so on. Run different tests at different times, in | |
1778 | * different sequences. Nothing here should interact with other devices, | |
1779 | * except indirectly by consuming USB bandwidth and CPU resources for test | |
1780 | * threads and request completion. But the only way to know that for sure | |
1781 | * is to test when HC queues are in use by many devices. | |
28ffd79c DB |
1782 | * |
1783 | * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(), | |
1784 | * it locks out usbcore in certain code paths. Notably, if you disconnect | |
1785 | * the device-under-test, khubd will wait block forever waiting for the | |
1786 | * ioctl to complete ... so that usb_disconnect() can abort the pending | |
1787 | * urbs and then call usbtest_disconnect(). To abort a test, you're best | |
1788 | * off just killing the userspace task and waiting for it to exit. | |
1da177e4 LT |
1789 | */ |
1790 | ||
1791 | static int | |
fabbf219 | 1792 | usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) |
1da177e4 | 1793 | { |
fabbf219 MF |
1794 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1795 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1da177e4 LT |
1796 | struct usbtest_param *param = buf; |
1797 | int retval = -EOPNOTSUPP; | |
1798 | struct urb *urb; | |
1799 | struct scatterlist *sg; | |
1800 | struct usb_sg_request req; | |
1801 | struct timeval start; | |
1802 | unsigned i; | |
1803 | ||
fabbf219 | 1804 | /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */ |
1da177e4 | 1805 | |
7f4e9854 VP |
1806 | pattern = mod_pattern; |
1807 | ||
1da177e4 LT |
1808 | if (code != USBTEST_REQUEST) |
1809 | return -EOPNOTSUPP; | |
1810 | ||
8aafdf6a | 1811 | if (param->iterations <= 0) |
1da177e4 LT |
1812 | return -EINVAL; |
1813 | ||
1cfab028 | 1814 | if (mutex_lock_interruptible(&dev->lock)) |
1da177e4 LT |
1815 | return -ERESTARTSYS; |
1816 | ||
70a1c9e0 | 1817 | /* FIXME: What if a system sleep starts while a test is running? */ |
ff7c79e4 | 1818 | |
1da177e4 LT |
1819 | /* some devices, like ez-usb default devices, need a non-default |
1820 | * altsetting to have any active endpoints. some tests change | |
1821 | * altsettings; force a default so most tests don't need to check. | |
1822 | */ | |
1823 | if (dev->info->alt >= 0) { | |
28ffd79c | 1824 | int res; |
1da177e4 LT |
1825 | |
1826 | if (intf->altsetting->desc.bInterfaceNumber) { | |
1cfab028 | 1827 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1828 | return -ENODEV; |
1829 | } | |
fabbf219 | 1830 | res = set_altsetting(dev, dev->info->alt); |
1da177e4 | 1831 | if (res) { |
fabbf219 | 1832 | dev_err(&intf->dev, |
1da177e4 LT |
1833 | "set altsetting to %d failed, %d\n", |
1834 | dev->info->alt, res); | |
1cfab028 | 1835 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1836 | return res; |
1837 | } | |
1838 | } | |
1839 | ||
1840 | /* | |
1841 | * Just a bunch of test cases that every HCD is expected to handle. | |
1842 | * | |
1843 | * Some may need specific firmware, though it'd be good to have | |
1844 | * one firmware image to handle all the test cases. | |
1845 | * | |
1846 | * FIXME add more tests! cancel requests, verify the data, control | |
1847 | * queueing, concurrent read+write threads, and so on. | |
1848 | */ | |
fabbf219 | 1849 | do_gettimeofday(&start); |
1da177e4 LT |
1850 | switch (param->test_num) { |
1851 | ||
1852 | case 0: | |
28ffd79c | 1853 | dev_info(&intf->dev, "TEST 0: NOP\n"); |
1da177e4 LT |
1854 | retval = 0; |
1855 | break; | |
1856 | ||
1857 | /* Simple non-queued bulk I/O tests */ | |
1858 | case 1: | |
1859 | if (dev->out_pipe == 0) | |
1860 | break; | |
28ffd79c | 1861 | dev_info(&intf->dev, |
1da177e4 LT |
1862 | "TEST 1: write %d bytes %u times\n", |
1863 | param->length, param->iterations); | |
fabbf219 | 1864 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
1865 | if (!urb) { |
1866 | retval = -ENOMEM; | |
1867 | break; | |
1868 | } | |
fabbf219 | 1869 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1870 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test1"); |
fabbf219 | 1871 | simple_free_urb(urb); |
1da177e4 LT |
1872 | break; |
1873 | case 2: | |
1874 | if (dev->in_pipe == 0) | |
1875 | break; | |
28ffd79c | 1876 | dev_info(&intf->dev, |
1da177e4 LT |
1877 | "TEST 2: read %d bytes %u times\n", |
1878 | param->length, param->iterations); | |
fabbf219 | 1879 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
1880 | if (!urb) { |
1881 | retval = -ENOMEM; | |
1882 | break; | |
1883 | } | |
fabbf219 | 1884 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1885 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test2"); |
fabbf219 | 1886 | simple_free_urb(urb); |
1da177e4 LT |
1887 | break; |
1888 | case 3: | |
1889 | if (dev->out_pipe == 0 || param->vary == 0) | |
1890 | break; | |
28ffd79c | 1891 | dev_info(&intf->dev, |
1da177e4 LT |
1892 | "TEST 3: write/%d 0..%d bytes %u times\n", |
1893 | param->vary, param->length, param->iterations); | |
fabbf219 | 1894 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
1895 | if (!urb) { |
1896 | retval = -ENOMEM; | |
1897 | break; | |
1898 | } | |
fabbf219 | 1899 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1900 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 1901 | 0, "test3"); |
fabbf219 | 1902 | simple_free_urb(urb); |
1da177e4 LT |
1903 | break; |
1904 | case 4: | |
1905 | if (dev->in_pipe == 0 || param->vary == 0) | |
1906 | break; | |
28ffd79c | 1907 | dev_info(&intf->dev, |
1da177e4 LT |
1908 | "TEST 4: read/%d 0..%d bytes %u times\n", |
1909 | param->vary, param->length, param->iterations); | |
fabbf219 | 1910 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
1911 | if (!urb) { |
1912 | retval = -ENOMEM; | |
1913 | break; | |
1914 | } | |
fabbf219 | 1915 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1916 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 1917 | 0, "test4"); |
fabbf219 | 1918 | simple_free_urb(urb); |
1da177e4 LT |
1919 | break; |
1920 | ||
1921 | /* Queued bulk I/O tests */ | |
1922 | case 5: | |
1923 | if (dev->out_pipe == 0 || param->sglen == 0) | |
1924 | break; | |
28ffd79c | 1925 | dev_info(&intf->dev, |
1da177e4 LT |
1926 | "TEST 5: write %d sglists %d entries of %d bytes\n", |
1927 | param->iterations, | |
1928 | param->sglen, param->length); | |
fabbf219 | 1929 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
1930 | if (!sg) { |
1931 | retval = -ENOMEM; | |
1932 | break; | |
1933 | } | |
fabbf219 | 1934 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1935 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 1936 | &req, sg, param->sglen); |
fabbf219 | 1937 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1938 | break; |
1939 | ||
1940 | case 6: | |
1941 | if (dev->in_pipe == 0 || param->sglen == 0) | |
1942 | break; | |
28ffd79c | 1943 | dev_info(&intf->dev, |
1da177e4 LT |
1944 | "TEST 6: read %d sglists %d entries of %d bytes\n", |
1945 | param->iterations, | |
1946 | param->sglen, param->length); | |
fabbf219 | 1947 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
1948 | if (!sg) { |
1949 | retval = -ENOMEM; | |
1950 | break; | |
1951 | } | |
fabbf219 | 1952 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1953 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 1954 | &req, sg, param->sglen); |
fabbf219 | 1955 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1956 | break; |
1957 | case 7: | |
1958 | if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
1959 | break; | |
28ffd79c | 1960 | dev_info(&intf->dev, |
1da177e4 LT |
1961 | "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", |
1962 | param->vary, param->iterations, | |
1963 | param->sglen, param->length); | |
fabbf219 | 1964 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
1965 | if (!sg) { |
1966 | retval = -ENOMEM; | |
1967 | break; | |
1968 | } | |
fabbf219 | 1969 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1970 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 1971 | &req, sg, param->sglen); |
fabbf219 | 1972 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1973 | break; |
1974 | case 8: | |
1975 | if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
1976 | break; | |
28ffd79c | 1977 | dev_info(&intf->dev, |
1da177e4 LT |
1978 | "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", |
1979 | param->vary, param->iterations, | |
1980 | param->sglen, param->length); | |
fabbf219 | 1981 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
1982 | if (!sg) { |
1983 | retval = -ENOMEM; | |
1984 | break; | |
1985 | } | |
fabbf219 | 1986 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 1987 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 1988 | &req, sg, param->sglen); |
fabbf219 | 1989 | free_sglist(sg, param->sglen); |
1da177e4 LT |
1990 | break; |
1991 | ||
1992 | /* non-queued sanity tests for control (chapter 9 subset) */ | |
1993 | case 9: | |
1994 | retval = 0; | |
28ffd79c | 1995 | dev_info(&intf->dev, |
1da177e4 LT |
1996 | "TEST 9: ch9 (subset) control tests, %d times\n", |
1997 | param->iterations); | |
1998 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 1999 | retval = ch9_postconfig(dev); |
1da177e4 | 2000 | if (retval) |
28ffd79c DB |
2001 | dev_err(&intf->dev, "ch9 subset failed, " |
2002 | "iterations left %d\n", i); | |
1da177e4 LT |
2003 | break; |
2004 | ||
2005 | /* queued control messaging */ | |
2006 | case 10: | |
1da177e4 | 2007 | retval = 0; |
28ffd79c | 2008 | dev_info(&intf->dev, |
1da177e4 LT |
2009 | "TEST 10: queue %d control calls, %d times\n", |
2010 | param->sglen, | |
2011 | param->iterations); | |
fabbf219 | 2012 | retval = test_ctrl_queue(dev, param); |
1da177e4 LT |
2013 | break; |
2014 | ||
2015 | /* simple non-queued unlinks (ring with one urb) */ | |
2016 | case 11: | |
2017 | if (dev->in_pipe == 0 || !param->length) | |
2018 | break; | |
2019 | retval = 0; | |
28ffd79c | 2020 | dev_info(&intf->dev, "TEST 11: unlink %d reads of %d\n", |
1da177e4 LT |
2021 | param->iterations, param->length); |
2022 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2023 | retval = unlink_simple(dev, dev->in_pipe, |
1da177e4 LT |
2024 | param->length); |
2025 | if (retval) | |
28ffd79c | 2026 | dev_err(&intf->dev, "unlink reads failed %d, " |
1da177e4 LT |
2027 | "iterations left %d\n", retval, i); |
2028 | break; | |
2029 | case 12: | |
2030 | if (dev->out_pipe == 0 || !param->length) | |
2031 | break; | |
2032 | retval = 0; | |
28ffd79c | 2033 | dev_info(&intf->dev, "TEST 12: unlink %d writes of %d\n", |
1da177e4 LT |
2034 | param->iterations, param->length); |
2035 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2036 | retval = unlink_simple(dev, dev->out_pipe, |
1da177e4 LT |
2037 | param->length); |
2038 | if (retval) | |
28ffd79c | 2039 | dev_err(&intf->dev, "unlink writes failed %d, " |
1da177e4 LT |
2040 | "iterations left %d\n", retval, i); |
2041 | break; | |
2042 | ||
2043 | /* ep halt tests */ | |
2044 | case 13: | |
2045 | if (dev->out_pipe == 0 && dev->in_pipe == 0) | |
2046 | break; | |
2047 | retval = 0; | |
28ffd79c | 2048 | dev_info(&intf->dev, "TEST 13: set/clear %d halts\n", |
1da177e4 LT |
2049 | param->iterations); |
2050 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2051 | retval = halt_simple(dev); |
28ffd79c | 2052 | |
1da177e4 | 2053 | if (retval) |
28ffd79c | 2054 | ERROR(dev, "halts failed, iterations left %d\n", i); |
1da177e4 LT |
2055 | break; |
2056 | ||
2057 | /* control write tests */ | |
2058 | case 14: | |
2059 | if (!dev->info->ctrl_out) | |
2060 | break; | |
28ffd79c | 2061 | dev_info(&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", |
ff7c79e4 DB |
2062 | param->iterations, |
2063 | realworld ? 1 : 0, param->length, | |
2064 | param->vary); | |
28ffd79c | 2065 | retval = ctrl_out(dev, param->iterations, |
084fb206 | 2066 | param->length, param->vary, 0); |
1da177e4 LT |
2067 | break; |
2068 | ||
2069 | /* iso write tests */ | |
2070 | case 15: | |
2071 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2072 | break; | |
28ffd79c | 2073 | dev_info(&intf->dev, |
1da177e4 LT |
2074 | "TEST 15: write %d iso, %d entries of %d bytes\n", |
2075 | param->iterations, | |
2076 | param->sglen, param->length); | |
fabbf219 MF |
2077 | /* FIRMWARE: iso sink */ |
2078 | retval = test_iso_queue(dev, param, | |
084fb206 | 2079 | dev->out_iso_pipe, dev->iso_out, 0); |
1da177e4 LT |
2080 | break; |
2081 | ||
2082 | /* iso read tests */ | |
2083 | case 16: | |
2084 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2085 | break; | |
28ffd79c | 2086 | dev_info(&intf->dev, |
1da177e4 LT |
2087 | "TEST 16: read %d iso, %d entries of %d bytes\n", |
2088 | param->iterations, | |
2089 | param->sglen, param->length); | |
fabbf219 MF |
2090 | /* FIRMWARE: iso source */ |
2091 | retval = test_iso_queue(dev, param, | |
084fb206 | 2092 | dev->in_iso_pipe, dev->iso_in, 0); |
1da177e4 LT |
2093 | break; |
2094 | ||
fabbf219 | 2095 | /* FIXME scatterlist cancel (needs helper thread) */ |
1da177e4 | 2096 | |
084fb206 MF |
2097 | /* Tests for bulk I/O using DMA mapping by core and odd address */ |
2098 | case 17: | |
2099 | if (dev->out_pipe == 0) | |
2100 | break; | |
2101 | dev_info(&intf->dev, | |
2102 | "TEST 17: write odd addr %d bytes %u times core map\n", | |
2103 | param->length, param->iterations); | |
2104 | ||
2105 | retval = test_unaligned_bulk( | |
2106 | dev, dev->out_pipe, | |
2107 | param->length, param->iterations, | |
2108 | 0, "test17"); | |
2109 | break; | |
2110 | ||
2111 | case 18: | |
2112 | if (dev->in_pipe == 0) | |
2113 | break; | |
2114 | dev_info(&intf->dev, | |
2115 | "TEST 18: read odd addr %d bytes %u times core map\n", | |
2116 | param->length, param->iterations); | |
2117 | ||
2118 | retval = test_unaligned_bulk( | |
2119 | dev, dev->in_pipe, | |
2120 | param->length, param->iterations, | |
2121 | 0, "test18"); | |
2122 | break; | |
2123 | ||
2124 | /* Tests for bulk I/O using premapped coherent buffer and odd address */ | |
2125 | case 19: | |
2126 | if (dev->out_pipe == 0) | |
2127 | break; | |
2128 | dev_info(&intf->dev, | |
2129 | "TEST 19: write odd addr %d bytes %u times premapped\n", | |
2130 | param->length, param->iterations); | |
2131 | ||
2132 | retval = test_unaligned_bulk( | |
2133 | dev, dev->out_pipe, | |
2134 | param->length, param->iterations, | |
2135 | URB_NO_TRANSFER_DMA_MAP, "test19"); | |
2136 | break; | |
2137 | ||
2138 | case 20: | |
2139 | if (dev->in_pipe == 0) | |
2140 | break; | |
2141 | dev_info(&intf->dev, | |
2142 | "TEST 20: read odd addr %d bytes %u times premapped\n", | |
2143 | param->length, param->iterations); | |
2144 | ||
2145 | retval = test_unaligned_bulk( | |
2146 | dev, dev->in_pipe, | |
2147 | param->length, param->iterations, | |
2148 | URB_NO_TRANSFER_DMA_MAP, "test20"); | |
2149 | break; | |
2150 | ||
2151 | /* control write tests with unaligned buffer */ | |
2152 | case 21: | |
2153 | if (!dev->info->ctrl_out) | |
2154 | break; | |
2155 | dev_info(&intf->dev, | |
2156 | "TEST 21: %d ep0out odd addr, %d..%d vary %d\n", | |
2157 | param->iterations, | |
2158 | realworld ? 1 : 0, param->length, | |
2159 | param->vary); | |
2160 | retval = ctrl_out(dev, param->iterations, | |
2161 | param->length, param->vary, 1); | |
2162 | break; | |
2163 | ||
2164 | /* unaligned iso tests */ | |
2165 | case 22: | |
2166 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2167 | break; | |
2168 | dev_info(&intf->dev, | |
2169 | "TEST 22: write %d iso odd, %d entries of %d bytes\n", | |
2170 | param->iterations, | |
2171 | param->sglen, param->length); | |
2172 | retval = test_iso_queue(dev, param, | |
2173 | dev->out_iso_pipe, dev->iso_out, 1); | |
2174 | break; | |
2175 | ||
2176 | case 23: | |
2177 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2178 | break; | |
2179 | dev_info(&intf->dev, | |
2180 | "TEST 23: read %d iso odd, %d entries of %d bytes\n", | |
2181 | param->iterations, | |
2182 | param->sglen, param->length); | |
2183 | retval = test_iso_queue(dev, param, | |
2184 | dev->in_iso_pipe, dev->iso_in, 1); | |
2185 | break; | |
2186 | ||
869410f8 AS |
2187 | /* unlink URBs from a bulk-OUT queue */ |
2188 | case 24: | |
2189 | if (dev->out_pipe == 0 || !param->length || param->sglen < 4) | |
2190 | break; | |
2191 | retval = 0; | |
2cb50000 | 2192 | dev_info(&intf->dev, "TEST 24: unlink from %d queues of " |
869410f8 AS |
2193 | "%d %d-byte writes\n", |
2194 | param->iterations, param->sglen, param->length); | |
2195 | for (i = param->iterations; retval == 0 && i > 0; --i) { | |
2196 | retval = unlink_queued(dev, dev->out_pipe, | |
2197 | param->sglen, param->length); | |
2198 | if (retval) { | |
2199 | dev_err(&intf->dev, | |
2200 | "unlink queued writes failed %d, " | |
2201 | "iterations left %d\n", retval, i); | |
2202 | break; | |
2203 | } | |
2204 | } | |
2205 | break; | |
2206 | ||
1da177e4 | 2207 | } |
fabbf219 | 2208 | do_gettimeofday(¶m->duration); |
1da177e4 LT |
2209 | param->duration.tv_sec -= start.tv_sec; |
2210 | param->duration.tv_usec -= start.tv_usec; | |
2211 | if (param->duration.tv_usec < 0) { | |
2212 | param->duration.tv_usec += 1000 * 1000; | |
2213 | param->duration.tv_sec -= 1; | |
2214 | } | |
1cfab028 | 2215 | mutex_unlock(&dev->lock); |
1da177e4 LT |
2216 | return retval; |
2217 | } | |
2218 | ||
2219 | /*-------------------------------------------------------------------------*/ | |
2220 | ||
fabbf219 MF |
2221 | static unsigned force_interrupt; |
2222 | module_param(force_interrupt, uint, 0); | |
2223 | MODULE_PARM_DESC(force_interrupt, "0 = test default; else interrupt"); | |
1da177e4 LT |
2224 | |
2225 | #ifdef GENERIC | |
2226 | static unsigned short vendor; | |
2227 | module_param(vendor, ushort, 0); | |
fabbf219 | 2228 | MODULE_PARM_DESC(vendor, "vendor code (from usb-if)"); |
1da177e4 LT |
2229 | |
2230 | static unsigned short product; | |
2231 | module_param(product, ushort, 0); | |
fabbf219 | 2232 | MODULE_PARM_DESC(product, "product code (from vendor)"); |
1da177e4 LT |
2233 | #endif |
2234 | ||
2235 | static int | |
fabbf219 | 2236 | usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id) |
1da177e4 LT |
2237 | { |
2238 | struct usb_device *udev; | |
2239 | struct usbtest_dev *dev; | |
2240 | struct usbtest_info *info; | |
2241 | char *rtest, *wtest; | |
2242 | char *irtest, *iwtest; | |
2243 | ||
fabbf219 | 2244 | udev = interface_to_usbdev(intf); |
1da177e4 LT |
2245 | |
2246 | #ifdef GENERIC | |
2247 | /* specify devices by module parameters? */ | |
2248 | if (id->match_flags == 0) { | |
2249 | /* vendor match required, product match optional */ | |
2250 | if (!vendor || le16_to_cpu(udev->descriptor.idVendor) != (u16)vendor) | |
2251 | return -ENODEV; | |
2252 | if (product && le16_to_cpu(udev->descriptor.idProduct) != (u16)product) | |
2253 | return -ENODEV; | |
28ffd79c DB |
2254 | dev_info(&intf->dev, "matched module params, " |
2255 | "vend=0x%04x prod=0x%04x\n", | |
1da177e4 LT |
2256 | le16_to_cpu(udev->descriptor.idVendor), |
2257 | le16_to_cpu(udev->descriptor.idProduct)); | |
2258 | } | |
2259 | #endif | |
2260 | ||
e94b1766 | 2261 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
1da177e4 LT |
2262 | if (!dev) |
2263 | return -ENOMEM; | |
1da177e4 LT |
2264 | info = (struct usbtest_info *) id->driver_info; |
2265 | dev->info = info; | |
1cfab028 | 2266 | mutex_init(&dev->lock); |
1da177e4 LT |
2267 | |
2268 | dev->intf = intf; | |
2269 | ||
2270 | /* cacheline-aligned scratch for i/o */ | |
fabbf219 MF |
2271 | dev->buf = kmalloc(TBUF_SIZE, GFP_KERNEL); |
2272 | if (dev->buf == NULL) { | |
2273 | kfree(dev); | |
1da177e4 LT |
2274 | return -ENOMEM; |
2275 | } | |
2276 | ||
2277 | /* NOTE this doesn't yet test the handful of difference that are | |
2278 | * visible with high speed interrupts: bigger maxpacket (1K) and | |
2279 | * "high bandwidth" modes (up to 3 packets/uframe). | |
2280 | */ | |
2281 | rtest = wtest = ""; | |
2282 | irtest = iwtest = ""; | |
2283 | if (force_interrupt || udev->speed == USB_SPEED_LOW) { | |
2284 | if (info->ep_in) { | |
fabbf219 | 2285 | dev->in_pipe = usb_rcvintpipe(udev, info->ep_in); |
1da177e4 LT |
2286 | rtest = " intr-in"; |
2287 | } | |
2288 | if (info->ep_out) { | |
fabbf219 | 2289 | dev->out_pipe = usb_sndintpipe(udev, info->ep_out); |
1da177e4 LT |
2290 | wtest = " intr-out"; |
2291 | } | |
2292 | } else { | |
d0b4652f | 2293 | if (override_alt >= 0 || info->autoconf) { |
1da177e4 LT |
2294 | int status; |
2295 | ||
fabbf219 | 2296 | status = get_endpoints(dev, intf); |
1da177e4 | 2297 | if (status < 0) { |
b6c63937 | 2298 | WARNING(dev, "couldn't get endpoints, %d\n", |
28ffd79c | 2299 | status); |
f4a728d0 JL |
2300 | kfree(dev->buf); |
2301 | kfree(dev); | |
1da177e4 LT |
2302 | return status; |
2303 | } | |
2304 | /* may find bulk or ISO pipes */ | |
2305 | } else { | |
2306 | if (info->ep_in) | |
fabbf219 | 2307 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 LT |
2308 | info->ep_in); |
2309 | if (info->ep_out) | |
fabbf219 | 2310 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
2311 | info->ep_out); |
2312 | } | |
2313 | if (dev->in_pipe) | |
2314 | rtest = " bulk-in"; | |
2315 | if (dev->out_pipe) | |
2316 | wtest = " bulk-out"; | |
2317 | if (dev->in_iso_pipe) | |
2318 | irtest = " iso-in"; | |
2319 | if (dev->out_iso_pipe) | |
2320 | iwtest = " iso-out"; | |
2321 | } | |
2322 | ||
fabbf219 MF |
2323 | usb_set_intfdata(intf, dev); |
2324 | dev_info(&intf->dev, "%s\n", info->name); | |
e538dfda MN |
2325 | dev_info(&intf->dev, "%s {control%s%s%s%s%s} tests%s\n", |
2326 | usb_speed_string(udev->speed), | |
1da177e4 LT |
2327 | info->ctrl_out ? " in/out" : "", |
2328 | rtest, wtest, | |
2329 | irtest, iwtest, | |
2330 | info->alt >= 0 ? " (+alt)" : ""); | |
2331 | return 0; | |
2332 | } | |
2333 | ||
fabbf219 | 2334 | static int usbtest_suspend(struct usb_interface *intf, pm_message_t message) |
ff7c79e4 | 2335 | { |
ff7c79e4 DB |
2336 | return 0; |
2337 | } | |
2338 | ||
fabbf219 | 2339 | static int usbtest_resume(struct usb_interface *intf) |
ff7c79e4 | 2340 | { |
ff7c79e4 DB |
2341 | return 0; |
2342 | } | |
2343 | ||
2344 | ||
fabbf219 | 2345 | static void usbtest_disconnect(struct usb_interface *intf) |
1da177e4 | 2346 | { |
fabbf219 | 2347 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1da177e4 | 2348 | |
fabbf219 MF |
2349 | usb_set_intfdata(intf, NULL); |
2350 | dev_dbg(&intf->dev, "disconnect\n"); | |
2351 | kfree(dev); | |
1da177e4 LT |
2352 | } |
2353 | ||
2354 | /* Basic testing only needs a device that can source or sink bulk traffic. | |
2355 | * Any device can test control transfers (default with GENERIC binding). | |
2356 | * | |
2357 | * Several entries work with the default EP0 implementation that's built | |
2358 | * into EZ-USB chips. There's a default vendor ID which can be overridden | |
2359 | * by (very) small config EEPROMS, but otherwise all these devices act | |
2360 | * identically until firmware is loaded: only EP0 works. It turns out | |
2361 | * to be easy to make other endpoints work, without modifying that EP0 | |
2362 | * behavior. For now, we expect that kind of firmware. | |
2363 | */ | |
2364 | ||
2365 | /* an21xx or fx versions of ez-usb */ | |
2366 | static struct usbtest_info ez1_info = { | |
2367 | .name = "EZ-USB device", | |
2368 | .ep_in = 2, | |
2369 | .ep_out = 2, | |
2370 | .alt = 1, | |
2371 | }; | |
2372 | ||
2373 | /* fx2 version of ez-usb */ | |
2374 | static struct usbtest_info ez2_info = { | |
2375 | .name = "FX2 device", | |
2376 | .ep_in = 6, | |
2377 | .ep_out = 2, | |
2378 | .alt = 1, | |
2379 | }; | |
2380 | ||
2381 | /* ezusb family device with dedicated usb test firmware, | |
2382 | */ | |
2383 | static struct usbtest_info fw_info = { | |
2384 | .name = "usb test device", | |
2385 | .ep_in = 2, | |
2386 | .ep_out = 2, | |
2387 | .alt = 1, | |
fabbf219 | 2388 | .autoconf = 1, /* iso and ctrl_out need autoconf */ |
1da177e4 | 2389 | .ctrl_out = 1, |
fabbf219 | 2390 | .iso = 1, /* iso_ep's are #8 in/out */ |
1da177e4 LT |
2391 | }; |
2392 | ||
2393 | /* peripheral running Linux and 'zero.c' test firmware, or | |
2394 | * its user-mode cousin. different versions of this use | |
2395 | * different hardware with the same vendor/product codes. | |
2396 | * host side MUST rely on the endpoint descriptors. | |
2397 | */ | |
2398 | static struct usbtest_info gz_info = { | |
2399 | .name = "Linux gadget zero", | |
2400 | .autoconf = 1, | |
2401 | .ctrl_out = 1, | |
4b85c624 | 2402 | .iso = 1, |
1da177e4 LT |
2403 | .alt = 0, |
2404 | }; | |
2405 | ||
2406 | static struct usbtest_info um_info = { | |
2407 | .name = "Linux user mode test driver", | |
2408 | .autoconf = 1, | |
2409 | .alt = -1, | |
2410 | }; | |
2411 | ||
2412 | static struct usbtest_info um2_info = { | |
2413 | .name = "Linux user mode ISO test driver", | |
2414 | .autoconf = 1, | |
2415 | .iso = 1, | |
2416 | .alt = -1, | |
2417 | }; | |
2418 | ||
2419 | #ifdef IBOT2 | |
2420 | /* this is a nice source of high speed bulk data; | |
2421 | * uses an FX2, with firmware provided in the device | |
2422 | */ | |
2423 | static struct usbtest_info ibot2_info = { | |
2424 | .name = "iBOT2 webcam", | |
2425 | .ep_in = 2, | |
2426 | .alt = -1, | |
2427 | }; | |
2428 | #endif | |
2429 | ||
2430 | #ifdef GENERIC | |
2431 | /* we can use any device to test control traffic */ | |
2432 | static struct usbtest_info generic_info = { | |
2433 | .name = "Generic USB device", | |
2434 | .alt = -1, | |
2435 | }; | |
2436 | #endif | |
2437 | ||
1da177e4 | 2438 | |
33b9e162 | 2439 | static const struct usb_device_id id_table[] = { |
1da177e4 | 2440 | |
1da177e4 LT |
2441 | /*-------------------------------------------------------------*/ |
2442 | ||
2443 | /* EZ-USB devices which download firmware to replace (or in our | |
2444 | * case augment) the default device implementation. | |
2445 | */ | |
2446 | ||
2447 | /* generic EZ-USB FX controller */ | |
fabbf219 | 2448 | { USB_DEVICE(0x0547, 0x2235), |
1da177e4 | 2449 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2450 | }, |
1da177e4 LT |
2451 | |
2452 | /* CY3671 development board with EZ-USB FX */ | |
fabbf219 | 2453 | { USB_DEVICE(0x0547, 0x0080), |
1da177e4 | 2454 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2455 | }, |
1da177e4 LT |
2456 | |
2457 | /* generic EZ-USB FX2 controller (or development board) */ | |
fabbf219 | 2458 | { USB_DEVICE(0x04b4, 0x8613), |
1da177e4 | 2459 | .driver_info = (unsigned long) &ez2_info, |
fabbf219 | 2460 | }, |
1da177e4 LT |
2461 | |
2462 | /* re-enumerated usb test device firmware */ | |
fabbf219 | 2463 | { USB_DEVICE(0xfff0, 0xfff0), |
1da177e4 | 2464 | .driver_info = (unsigned long) &fw_info, |
fabbf219 | 2465 | }, |
1da177e4 LT |
2466 | |
2467 | /* "Gadget Zero" firmware runs under Linux */ | |
fabbf219 | 2468 | { USB_DEVICE(0x0525, 0xa4a0), |
1da177e4 | 2469 | .driver_info = (unsigned long) &gz_info, |
fabbf219 | 2470 | }, |
1da177e4 LT |
2471 | |
2472 | /* so does a user-mode variant */ | |
fabbf219 | 2473 | { USB_DEVICE(0x0525, 0xa4a4), |
1da177e4 | 2474 | .driver_info = (unsigned long) &um_info, |
fabbf219 | 2475 | }, |
1da177e4 LT |
2476 | |
2477 | /* ... and a user-mode variant that talks iso */ | |
fabbf219 | 2478 | { USB_DEVICE(0x0525, 0xa4a3), |
1da177e4 | 2479 | .driver_info = (unsigned long) &um2_info, |
fabbf219 | 2480 | }, |
1da177e4 LT |
2481 | |
2482 | #ifdef KEYSPAN_19Qi | |
2483 | /* Keyspan 19qi uses an21xx (original EZ-USB) */ | |
fabbf219 MF |
2484 | /* this does not coexist with the real Keyspan 19qi driver! */ |
2485 | { USB_DEVICE(0x06cd, 0x010b), | |
1da177e4 | 2486 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2487 | }, |
1da177e4 LT |
2488 | #endif |
2489 | ||
2490 | /*-------------------------------------------------------------*/ | |
2491 | ||
2492 | #ifdef IBOT2 | |
2493 | /* iBOT2 makes a nice source of high speed bulk-in data */ | |
fabbf219 MF |
2494 | /* this does not coexist with a real iBOT2 driver! */ |
2495 | { USB_DEVICE(0x0b62, 0x0059), | |
1da177e4 | 2496 | .driver_info = (unsigned long) &ibot2_info, |
fabbf219 | 2497 | }, |
1da177e4 LT |
2498 | #endif |
2499 | ||
2500 | /*-------------------------------------------------------------*/ | |
2501 | ||
2502 | #ifdef GENERIC | |
2503 | /* module params can specify devices to use for control tests */ | |
2504 | { .driver_info = (unsigned long) &generic_info, }, | |
2505 | #endif | |
2506 | ||
2507 | /*-------------------------------------------------------------*/ | |
2508 | ||
2509 | { } | |
2510 | }; | |
fabbf219 | 2511 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
2512 | |
2513 | static struct usb_driver usbtest_driver = { | |
1da177e4 LT |
2514 | .name = "usbtest", |
2515 | .id_table = id_table, | |
2516 | .probe = usbtest_probe, | |
c532b29a | 2517 | .unlocked_ioctl = usbtest_ioctl, |
1da177e4 | 2518 | .disconnect = usbtest_disconnect, |
ff7c79e4 DB |
2519 | .suspend = usbtest_suspend, |
2520 | .resume = usbtest_resume, | |
1da177e4 LT |
2521 | }; |
2522 | ||
2523 | /*-------------------------------------------------------------------------*/ | |
2524 | ||
fabbf219 | 2525 | static int __init usbtest_init(void) |
1da177e4 LT |
2526 | { |
2527 | #ifdef GENERIC | |
2528 | if (vendor) | |
28ffd79c | 2529 | pr_debug("params: vend=0x%04x prod=0x%04x\n", vendor, product); |
1da177e4 | 2530 | #endif |
fabbf219 | 2531 | return usb_register(&usbtest_driver); |
1da177e4 | 2532 | } |
fabbf219 | 2533 | module_init(usbtest_init); |
1da177e4 | 2534 | |
fabbf219 | 2535 | static void __exit usbtest_exit(void) |
1da177e4 | 2536 | { |
fabbf219 | 2537 | usb_deregister(&usbtest_driver); |
1da177e4 | 2538 | } |
fabbf219 | 2539 | module_exit(usbtest_exit); |
1da177e4 | 2540 | |
fabbf219 MF |
2541 | MODULE_DESCRIPTION("USB Core/HCD Testing Driver"); |
2542 | MODULE_LICENSE("GPL"); | |
1da177e4 | 2543 |