Commit | Line | Data |
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1da177e4 LT |
1 | #include <linux/kernel.h> |
2 | #include <linux/errno.h> | |
3 | #include <linux/init.h> | |
4 | #include <linux/slab.h> | |
5 | #include <linux/mm.h> | |
6 | #include <linux/module.h> | |
7 | #include <linux/moduleparam.h> | |
378f058c | 8 | #include <linux/scatterlist.h> |
1cfab028 | 9 | #include <linux/mutex.h> |
1da177e4 LT |
10 | |
11 | #include <linux/usb.h> | |
12 | ||
e5e47465 | 13 | #define SIMPLE_IO_TIMEOUT 10000 /* in milliseconds */ |
1da177e4 | 14 | |
d0b4652f AS |
15 | /*-------------------------------------------------------------------------*/ |
16 | ||
17 | static int override_alt = -1; | |
18 | module_param_named(alt, override_alt, int, 0644); | |
19 | MODULE_PARM_DESC(alt, ">= 0 to override altsetting selection"); | |
20 | ||
1da177e4 LT |
21 | /*-------------------------------------------------------------------------*/ |
22 | ||
fabbf219 | 23 | /* FIXME make these public somewhere; usbdevfs.h? */ |
1da177e4 | 24 | struct usbtest_param { |
fabbf219 | 25 | /* inputs */ |
1da177e4 LT |
26 | unsigned test_num; /* 0..(TEST_CASES-1) */ |
27 | unsigned iterations; | |
28 | unsigned length; | |
29 | unsigned vary; | |
30 | unsigned sglen; | |
31 | ||
fabbf219 | 32 | /* outputs */ |
1da177e4 LT |
33 | struct timeval duration; |
34 | }; | |
35 | #define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) | |
36 | ||
37 | /*-------------------------------------------------------------------------*/ | |
38 | ||
39 | #define GENERIC /* let probe() bind using module params */ | |
40 | ||
41 | /* Some devices that can be used for testing will have "real" drivers. | |
42 | * Entries for those need to be enabled here by hand, after disabling | |
43 | * that "real" driver. | |
44 | */ | |
45 | //#define IBOT2 /* grab iBOT2 webcams */ | |
46 | //#define KEYSPAN_19Qi /* grab un-renumerated serial adapter */ | |
47 | ||
48 | /*-------------------------------------------------------------------------*/ | |
49 | ||
50 | struct usbtest_info { | |
51 | const char *name; | |
52 | u8 ep_in; /* bulk/intr source */ | |
53 | u8 ep_out; /* bulk/intr sink */ | |
fabbf219 MF |
54 | unsigned autoconf:1; |
55 | unsigned ctrl_out:1; | |
56 | unsigned iso:1; /* try iso in/out */ | |
1da177e4 LT |
57 | int alt; |
58 | }; | |
59 | ||
60 | /* this is accessed only through usbfs ioctl calls. | |
61 | * one ioctl to issue a test ... one lock per device. | |
62 | * tests create other threads if they need them. | |
63 | * urbs and buffers are allocated dynamically, | |
64 | * and data generated deterministically. | |
65 | */ | |
66 | struct usbtest_dev { | |
67 | struct usb_interface *intf; | |
68 | struct usbtest_info *info; | |
69 | int in_pipe; | |
70 | int out_pipe; | |
71 | int in_iso_pipe; | |
72 | int out_iso_pipe; | |
73 | struct usb_endpoint_descriptor *iso_in, *iso_out; | |
1cfab028 | 74 | struct mutex lock; |
1da177e4 LT |
75 | |
76 | #define TBUF_SIZE 256 | |
77 | u8 *buf; | |
78 | }; | |
79 | ||
fabbf219 | 80 | static struct usb_device *testdev_to_usbdev(struct usbtest_dev *test) |
1da177e4 | 81 | { |
fabbf219 | 82 | return interface_to_usbdev(test->intf); |
1da177e4 LT |
83 | } |
84 | ||
85 | /* set up all urbs so they can be used with either bulk or interrupt */ | |
86 | #define INTERRUPT_RATE 1 /* msec/transfer */ | |
87 | ||
28ffd79c DB |
88 | #define ERROR(tdev, fmt, args...) \ |
89 | dev_err(&(tdev)->intf->dev , fmt , ## args) | |
b6c63937 | 90 | #define WARNING(tdev, fmt, args...) \ |
28ffd79c | 91 | dev_warn(&(tdev)->intf->dev , fmt , ## args) |
1da177e4 | 92 | |
084fb206 MF |
93 | #define GUARD_BYTE 0xA5 |
94 | ||
1da177e4 LT |
95 | /*-------------------------------------------------------------------------*/ |
96 | ||
97 | static int | |
fabbf219 | 98 | get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf) |
1da177e4 LT |
99 | { |
100 | int tmp; | |
101 | struct usb_host_interface *alt; | |
102 | struct usb_host_endpoint *in, *out; | |
103 | struct usb_host_endpoint *iso_in, *iso_out; | |
104 | struct usb_device *udev; | |
105 | ||
106 | for (tmp = 0; tmp < intf->num_altsetting; tmp++) { | |
107 | unsigned ep; | |
108 | ||
109 | in = out = NULL; | |
110 | iso_in = iso_out = NULL; | |
111 | alt = intf->altsetting + tmp; | |
112 | ||
d0b4652f AS |
113 | if (override_alt >= 0 && |
114 | override_alt != alt->desc.bAlternateSetting) | |
115 | continue; | |
116 | ||
1da177e4 | 117 | /* take the first altsetting with in-bulk + out-bulk; |
70f23fd6 | 118 | * ignore other endpoints and altsettings. |
1da177e4 LT |
119 | */ |
120 | for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { | |
121 | struct usb_host_endpoint *e; | |
122 | ||
123 | e = alt->endpoint + ep; | |
9a37a503 | 124 | switch (usb_endpoint_type(&e->desc)) { |
1da177e4 LT |
125 | case USB_ENDPOINT_XFER_BULK: |
126 | break; | |
127 | case USB_ENDPOINT_XFER_ISOC: | |
128 | if (dev->info->iso) | |
129 | goto try_iso; | |
fabbf219 | 130 | /* FALLTHROUGH */ |
1da177e4 LT |
131 | default: |
132 | continue; | |
133 | } | |
4d823dd2 | 134 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
135 | if (!in) |
136 | in = e; | |
137 | } else { | |
138 | if (!out) | |
139 | out = e; | |
140 | } | |
141 | continue; | |
142 | try_iso: | |
4d823dd2 | 143 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
144 | if (!iso_in) |
145 | iso_in = e; | |
146 | } else { | |
147 | if (!iso_out) | |
148 | iso_out = e; | |
149 | } | |
150 | } | |
951fd8ee | 151 | if ((in && out) || iso_in || iso_out) |
1da177e4 LT |
152 | goto found; |
153 | } | |
154 | return -EINVAL; | |
155 | ||
156 | found: | |
fabbf219 | 157 | udev = testdev_to_usbdev(dev); |
d0b4652f | 158 | dev->info->alt = alt->desc.bAlternateSetting; |
1da177e4 | 159 | if (alt->desc.bAlternateSetting != 0) { |
fabbf219 | 160 | tmp = usb_set_interface(udev, |
1da177e4 LT |
161 | alt->desc.bInterfaceNumber, |
162 | alt->desc.bAlternateSetting); | |
163 | if (tmp < 0) | |
164 | return tmp; | |
165 | } | |
166 | ||
167 | if (in) { | |
fabbf219 | 168 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 | 169 | in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
fabbf219 | 170 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
171 | out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
172 | } | |
173 | if (iso_in) { | |
174 | dev->iso_in = &iso_in->desc; | |
fabbf219 | 175 | dev->in_iso_pipe = usb_rcvisocpipe(udev, |
1da177e4 LT |
176 | iso_in->desc.bEndpointAddress |
177 | & USB_ENDPOINT_NUMBER_MASK); | |
951fd8ee ML |
178 | } |
179 | ||
180 | if (iso_out) { | |
1da177e4 | 181 | dev->iso_out = &iso_out->desc; |
fabbf219 | 182 | dev->out_iso_pipe = usb_sndisocpipe(udev, |
1da177e4 LT |
183 | iso_out->desc.bEndpointAddress |
184 | & USB_ENDPOINT_NUMBER_MASK); | |
185 | } | |
186 | return 0; | |
187 | } | |
188 | ||
189 | /*-------------------------------------------------------------------------*/ | |
190 | ||
191 | /* Support for testing basic non-queued I/O streams. | |
192 | * | |
193 | * These just package urbs as requests that can be easily canceled. | |
194 | * Each urb's data buffer is dynamically allocated; callers can fill | |
195 | * them with non-zero test data (or test for it) when appropriate. | |
196 | */ | |
197 | ||
fabbf219 | 198 | static void simple_callback(struct urb *urb) |
1da177e4 | 199 | { |
cdc97792 | 200 | complete(urb->context); |
1da177e4 LT |
201 | } |
202 | ||
084fb206 | 203 | static struct urb *usbtest_alloc_urb( |
1da177e4 LT |
204 | struct usb_device *udev, |
205 | int pipe, | |
084fb206 MF |
206 | unsigned long bytes, |
207 | unsigned transfer_flags, | |
208 | unsigned offset) | |
1da177e4 LT |
209 | { |
210 | struct urb *urb; | |
211 | ||
fabbf219 | 212 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 LT |
213 | if (!urb) |
214 | return urb; | |
fabbf219 | 215 | usb_fill_bulk_urb(urb, udev, pipe, NULL, bytes, simple_callback, NULL); |
1da177e4 LT |
216 | urb->interval = (udev->speed == USB_SPEED_HIGH) |
217 | ? (INTERRUPT_RATE << 3) | |
218 | : INTERRUPT_RATE; | |
084fb206 | 219 | urb->transfer_flags = transfer_flags; |
fabbf219 | 220 | if (usb_pipein(pipe)) |
1da177e4 | 221 | urb->transfer_flags |= URB_SHORT_NOT_OK; |
084fb206 MF |
222 | |
223 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
224 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, | |
225 | GFP_KERNEL, &urb->transfer_dma); | |
226 | else | |
227 | urb->transfer_buffer = kmalloc(bytes + offset, GFP_KERNEL); | |
228 | ||
1da177e4 | 229 | if (!urb->transfer_buffer) { |
fabbf219 | 230 | usb_free_urb(urb); |
084fb206 MF |
231 | return NULL; |
232 | } | |
233 | ||
234 | /* To test unaligned transfers add an offset and fill the | |
235 | unused memory with a guard value */ | |
236 | if (offset) { | |
237 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
238 | urb->transfer_buffer += offset; | |
239 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
240 | urb->transfer_dma += offset; | |
241 | } | |
242 | ||
243 | /* For inbound transfers use guard byte so that test fails if | |
244 | data not correctly copied */ | |
245 | memset(urb->transfer_buffer, | |
246 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
247 | bytes); | |
1da177e4 LT |
248 | return urb; |
249 | } | |
250 | ||
084fb206 MF |
251 | static struct urb *simple_alloc_urb( |
252 | struct usb_device *udev, | |
253 | int pipe, | |
254 | unsigned long bytes) | |
255 | { | |
256 | return usbtest_alloc_urb(udev, pipe, bytes, URB_NO_TRANSFER_DMA_MAP, 0); | |
257 | } | |
258 | ||
fabbf219 | 259 | static unsigned pattern; |
7f4e9854 VP |
260 | static unsigned mod_pattern; |
261 | module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); | |
262 | MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); | |
1da177e4 | 263 | |
fabbf219 | 264 | static inline void simple_fill_buf(struct urb *urb) |
1da177e4 LT |
265 | { |
266 | unsigned i; | |
267 | u8 *buf = urb->transfer_buffer; | |
268 | unsigned len = urb->transfer_buffer_length; | |
269 | ||
270 | switch (pattern) { | |
271 | default: | |
fabbf219 | 272 | /* FALLTHROUGH */ |
1da177e4 | 273 | case 0: |
fabbf219 | 274 | memset(buf, 0, len); |
1da177e4 LT |
275 | break; |
276 | case 1: /* mod63 */ | |
277 | for (i = 0; i < len; i++) | |
278 | *buf++ = (u8) (i % 63); | |
279 | break; | |
280 | } | |
281 | } | |
282 | ||
304b0b57 | 283 | static inline unsigned long buffer_offset(void *buf) |
084fb206 | 284 | { |
304b0b57 | 285 | return (unsigned long)buf & (ARCH_KMALLOC_MINALIGN - 1); |
084fb206 MF |
286 | } |
287 | ||
288 | static int check_guard_bytes(struct usbtest_dev *tdev, struct urb *urb) | |
289 | { | |
290 | u8 *buf = urb->transfer_buffer; | |
291 | u8 *guard = buf - buffer_offset(buf); | |
292 | unsigned i; | |
293 | ||
294 | for (i = 0; guard < buf; i++, guard++) { | |
295 | if (*guard != GUARD_BYTE) { | |
296 | ERROR(tdev, "guard byte[%d] %d (not %d)\n", | |
297 | i, *guard, GUARD_BYTE); | |
298 | return -EINVAL; | |
299 | } | |
300 | } | |
301 | return 0; | |
302 | } | |
303 | ||
304 | static int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb) | |
1da177e4 LT |
305 | { |
306 | unsigned i; | |
307 | u8 expected; | |
308 | u8 *buf = urb->transfer_buffer; | |
309 | unsigned len = urb->actual_length; | |
310 | ||
084fb206 MF |
311 | int ret = check_guard_bytes(tdev, urb); |
312 | if (ret) | |
313 | return ret; | |
314 | ||
1da177e4 LT |
315 | for (i = 0; i < len; i++, buf++) { |
316 | switch (pattern) { | |
317 | /* all-zeroes has no synchronization issues */ | |
318 | case 0: | |
319 | expected = 0; | |
320 | break; | |
321 | /* mod63 stays in sync with short-terminated transfers, | |
322 | * or otherwise when host and gadget agree on how large | |
323 | * each usb transfer request should be. resync is done | |
324 | * with set_interface or set_config. | |
325 | */ | |
326 | case 1: /* mod63 */ | |
327 | expected = i % 63; | |
328 | break; | |
329 | /* always fail unsupported patterns */ | |
330 | default: | |
331 | expected = !*buf; | |
332 | break; | |
333 | } | |
334 | if (*buf == expected) | |
335 | continue; | |
28ffd79c | 336 | ERROR(tdev, "buf[%d] = %d (not %d)\n", i, *buf, expected); |
1da177e4 LT |
337 | return -EINVAL; |
338 | } | |
339 | return 0; | |
340 | } | |
341 | ||
fabbf219 | 342 | static void simple_free_urb(struct urb *urb) |
1da177e4 | 343 | { |
304b0b57 | 344 | unsigned long offset = buffer_offset(urb->transfer_buffer); |
084fb206 MF |
345 | |
346 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
347 | usb_free_coherent( | |
348 | urb->dev, | |
349 | urb->transfer_buffer_length + offset, | |
350 | urb->transfer_buffer - offset, | |
351 | urb->transfer_dma - offset); | |
352 | else | |
353 | kfree(urb->transfer_buffer - offset); | |
fabbf219 | 354 | usb_free_urb(urb); |
1da177e4 LT |
355 | } |
356 | ||
fabbf219 | 357 | static int simple_io( |
28ffd79c | 358 | struct usbtest_dev *tdev, |
1da177e4 LT |
359 | struct urb *urb, |
360 | int iterations, | |
361 | int vary, | |
362 | int expected, | |
363 | const char *label | |
364 | ) | |
365 | { | |
366 | struct usb_device *udev = urb->dev; | |
367 | int max = urb->transfer_buffer_length; | |
368 | struct completion completion; | |
369 | int retval = 0; | |
e5e47465 | 370 | unsigned long expire; |
1da177e4 LT |
371 | |
372 | urb->context = &completion; | |
373 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 374 | init_completion(&completion); |
7c79d094 | 375 | if (usb_pipeout(urb->pipe)) { |
fabbf219 | 376 | simple_fill_buf(urb); |
7c79d094 SAS |
377 | urb->transfer_flags |= URB_ZERO_PACKET; |
378 | } | |
fabbf219 MF |
379 | retval = usb_submit_urb(urb, GFP_KERNEL); |
380 | if (retval != 0) | |
1da177e4 LT |
381 | break; |
382 | ||
e5e47465 RQ |
383 | expire = msecs_to_jiffies(SIMPLE_IO_TIMEOUT); |
384 | if (!wait_for_completion_timeout(&completion, expire)) { | |
385 | usb_kill_urb(urb); | |
386 | retval = (urb->status == -ENOENT ? | |
387 | -ETIMEDOUT : urb->status); | |
388 | } else { | |
389 | retval = urb->status; | |
390 | } | |
391 | ||
1da177e4 | 392 | urb->dev = udev; |
fabbf219 | 393 | if (retval == 0 && usb_pipein(urb->pipe)) |
28ffd79c | 394 | retval = simple_check_buf(tdev, urb); |
1da177e4 LT |
395 | |
396 | if (vary) { | |
397 | int len = urb->transfer_buffer_length; | |
398 | ||
399 | len += vary; | |
400 | len %= max; | |
401 | if (len == 0) | |
402 | len = (vary < max) ? vary : max; | |
403 | urb->transfer_buffer_length = len; | |
404 | } | |
405 | ||
406 | /* FIXME if endpoint halted, clear halt (and log) */ | |
407 | } | |
408 | urb->transfer_buffer_length = max; | |
409 | ||
410 | if (expected != retval) | |
28ffd79c | 411 | dev_err(&udev->dev, |
1da177e4 LT |
412 | "%s failed, iterations left %d, status %d (not %d)\n", |
413 | label, iterations, retval, expected); | |
414 | return retval; | |
415 | } | |
416 | ||
417 | ||
418 | /*-------------------------------------------------------------------------*/ | |
419 | ||
420 | /* We use scatterlist primitives to test queued I/O. | |
421 | * Yes, this also tests the scatterlist primitives. | |
422 | */ | |
423 | ||
fabbf219 | 424 | static void free_sglist(struct scatterlist *sg, int nents) |
1da177e4 LT |
425 | { |
426 | unsigned i; | |
28ffd79c | 427 | |
1da177e4 LT |
428 | if (!sg) |
429 | return; | |
430 | for (i = 0; i < nents; i++) { | |
45711f1a | 431 | if (!sg_page(&sg[i])) |
1da177e4 | 432 | continue; |
fabbf219 | 433 | kfree(sg_virt(&sg[i])); |
1da177e4 | 434 | } |
fabbf219 | 435 | kfree(sg); |
1da177e4 LT |
436 | } |
437 | ||
438 | static struct scatterlist * | |
fabbf219 | 439 | alloc_sglist(int nents, int max, int vary) |
1da177e4 LT |
440 | { |
441 | struct scatterlist *sg; | |
442 | unsigned i; | |
443 | unsigned size = max; | |
444 | ||
564e6989 DC |
445 | if (max == 0) |
446 | return NULL; | |
447 | ||
f55055b4 | 448 | sg = kmalloc_array(nents, sizeof(*sg), GFP_KERNEL); |
1da177e4 LT |
449 | if (!sg) |
450 | return NULL; | |
4756febb | 451 | sg_init_table(sg, nents); |
1da177e4 LT |
452 | |
453 | for (i = 0; i < nents; i++) { | |
454 | char *buf; | |
8b524901 | 455 | unsigned j; |
1da177e4 | 456 | |
fabbf219 | 457 | buf = kzalloc(size, GFP_KERNEL); |
1da177e4 | 458 | if (!buf) { |
fabbf219 | 459 | free_sglist(sg, i); |
1da177e4 LT |
460 | return NULL; |
461 | } | |
1da177e4 LT |
462 | |
463 | /* kmalloc pages are always physically contiguous! */ | |
4756febb | 464 | sg_set_buf(&sg[i], buf, size); |
1da177e4 | 465 | |
8b524901 DB |
466 | switch (pattern) { |
467 | case 0: | |
468 | /* already zeroed */ | |
469 | break; | |
470 | case 1: | |
471 | for (j = 0; j < size; j++) | |
472 | *buf++ = (u8) (j % 63); | |
473 | break; | |
474 | } | |
475 | ||
1da177e4 LT |
476 | if (vary) { |
477 | size += vary; | |
478 | size %= max; | |
479 | if (size == 0) | |
480 | size = (vary < max) ? vary : max; | |
481 | } | |
482 | } | |
483 | ||
484 | return sg; | |
485 | } | |
486 | ||
fabbf219 | 487 | static int perform_sglist( |
28ffd79c | 488 | struct usbtest_dev *tdev, |
1da177e4 LT |
489 | unsigned iterations, |
490 | int pipe, | |
491 | struct usb_sg_request *req, | |
492 | struct scatterlist *sg, | |
493 | int nents | |
494 | ) | |
495 | { | |
28ffd79c | 496 | struct usb_device *udev = testdev_to_usbdev(tdev); |
1da177e4 LT |
497 | int retval = 0; |
498 | ||
499 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 500 | retval = usb_sg_init(req, udev, pipe, |
1da177e4 LT |
501 | (udev->speed == USB_SPEED_HIGH) |
502 | ? (INTERRUPT_RATE << 3) | |
503 | : INTERRUPT_RATE, | |
e94b1766 | 504 | sg, nents, 0, GFP_KERNEL); |
28ffd79c | 505 | |
1da177e4 LT |
506 | if (retval) |
507 | break; | |
fabbf219 | 508 | usb_sg_wait(req); |
1da177e4 LT |
509 | retval = req->status; |
510 | ||
8b524901 DB |
511 | /* FIXME check resulting data pattern */ |
512 | ||
1da177e4 LT |
513 | /* FIXME if endpoint halted, clear halt (and log) */ |
514 | } | |
515 | ||
fabbf219 MF |
516 | /* FIXME for unlink or fault handling tests, don't report |
517 | * failure if retval is as we expected ... | |
518 | */ | |
1da177e4 | 519 | if (retval) |
28ffd79c DB |
520 | ERROR(tdev, "perform_sglist failed, " |
521 | "iterations left %d, status %d\n", | |
1da177e4 LT |
522 | iterations, retval); |
523 | return retval; | |
524 | } | |
525 | ||
526 | ||
527 | /*-------------------------------------------------------------------------*/ | |
528 | ||
529 | /* unqueued control message testing | |
530 | * | |
531 | * there's a nice set of device functional requirements in chapter 9 of the | |
532 | * usb 2.0 spec, which we can apply to ANY device, even ones that don't use | |
533 | * special test firmware. | |
534 | * | |
535 | * we know the device is configured (or suspended) by the time it's visible | |
536 | * through usbfs. we can't change that, so we won't test enumeration (which | |
537 | * worked 'well enough' to get here, this time), power management (ditto), | |
538 | * or remote wakeup (which needs human interaction). | |
539 | */ | |
540 | ||
541 | static unsigned realworld = 1; | |
fabbf219 MF |
542 | module_param(realworld, uint, 0); |
543 | MODULE_PARM_DESC(realworld, "clear to demand stricter spec compliance"); | |
1da177e4 | 544 | |
fabbf219 | 545 | static int get_altsetting(struct usbtest_dev *dev) |
1da177e4 LT |
546 | { |
547 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 548 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
549 | int retval; |
550 | ||
fabbf219 | 551 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 | 552 | USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, |
fabbf219 | 553 | 0, iface->altsetting[0].desc.bInterfaceNumber, |
1da177e4 LT |
554 | dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
555 | switch (retval) { | |
556 | case 1: | |
fabbf219 | 557 | return dev->buf[0]; |
1da177e4 LT |
558 | case 0: |
559 | retval = -ERANGE; | |
fabbf219 | 560 | /* FALLTHROUGH */ |
1da177e4 LT |
561 | default: |
562 | return retval; | |
563 | } | |
564 | } | |
565 | ||
fabbf219 | 566 | static int set_altsetting(struct usbtest_dev *dev, int alternate) |
1da177e4 LT |
567 | { |
568 | struct usb_interface *iface = dev->intf; | |
569 | struct usb_device *udev; | |
570 | ||
571 | if (alternate < 0 || alternate >= 256) | |
572 | return -EINVAL; | |
573 | ||
fabbf219 MF |
574 | udev = interface_to_usbdev(iface); |
575 | return usb_set_interface(udev, | |
576 | iface->altsetting[0].desc.bInterfaceNumber, | |
1da177e4 LT |
577 | alternate); |
578 | } | |
579 | ||
28ffd79c | 580 | static int is_good_config(struct usbtest_dev *tdev, int len) |
1da177e4 LT |
581 | { |
582 | struct usb_config_descriptor *config; | |
28ffd79c | 583 | |
f55055b4 | 584 | if (len < sizeof(*config)) |
1da177e4 | 585 | return 0; |
28ffd79c | 586 | config = (struct usb_config_descriptor *) tdev->buf; |
1da177e4 LT |
587 | |
588 | switch (config->bDescriptorType) { | |
589 | case USB_DT_CONFIG: | |
590 | case USB_DT_OTHER_SPEED_CONFIG: | |
591 | if (config->bLength != 9) { | |
28ffd79c | 592 | ERROR(tdev, "bogus config descriptor length\n"); |
1da177e4 LT |
593 | return 0; |
594 | } | |
595 | /* this bit 'must be 1' but often isn't */ | |
596 | if (!realworld && !(config->bmAttributes & 0x80)) { | |
28ffd79c | 597 | ERROR(tdev, "high bit of config attributes not set\n"); |
1da177e4 LT |
598 | return 0; |
599 | } | |
600 | if (config->bmAttributes & 0x1f) { /* reserved == 0 */ | |
28ffd79c | 601 | ERROR(tdev, "reserved config bits set\n"); |
1da177e4 LT |
602 | return 0; |
603 | } | |
604 | break; | |
605 | default: | |
606 | return 0; | |
607 | } | |
608 | ||
fabbf219 | 609 | if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ |
1da177e4 | 610 | return 1; |
fabbf219 | 611 | if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ |
1da177e4 | 612 | return 1; |
28ffd79c | 613 | ERROR(tdev, "bogus config descriptor read size\n"); |
1da177e4 LT |
614 | return 0; |
615 | } | |
616 | ||
82f92672 HR |
617 | static int is_good_ext(struct usbtest_dev *tdev, u8 *buf) |
618 | { | |
619 | struct usb_ext_cap_descriptor *ext; | |
620 | u32 attr; | |
621 | ||
622 | ext = (struct usb_ext_cap_descriptor *) buf; | |
623 | ||
624 | if (ext->bLength != USB_DT_USB_EXT_CAP_SIZE) { | |
625 | ERROR(tdev, "bogus usb 2.0 extension descriptor length\n"); | |
626 | return 0; | |
627 | } | |
628 | ||
629 | attr = le32_to_cpu(ext->bmAttributes); | |
875bc23a HR |
630 | /* bits[1:15] is used and others are reserved */ |
631 | if (attr & ~0xfffe) { /* reserved == 0 */ | |
82f92672 HR |
632 | ERROR(tdev, "reserved bits set\n"); |
633 | return 0; | |
634 | } | |
635 | ||
636 | return 1; | |
637 | } | |
638 | ||
b8fef795 HR |
639 | static int is_good_ss_cap(struct usbtest_dev *tdev, u8 *buf) |
640 | { | |
641 | struct usb_ss_cap_descriptor *ss; | |
642 | ||
643 | ss = (struct usb_ss_cap_descriptor *) buf; | |
644 | ||
645 | if (ss->bLength != USB_DT_USB_SS_CAP_SIZE) { | |
646 | ERROR(tdev, "bogus superspeed device capability descriptor length\n"); | |
647 | return 0; | |
648 | } | |
649 | ||
650 | /* | |
651 | * only bit[1] of bmAttributes is used for LTM and others are | |
652 | * reserved | |
653 | */ | |
654 | if (ss->bmAttributes & ~0x02) { /* reserved == 0 */ | |
655 | ERROR(tdev, "reserved bits set in bmAttributes\n"); | |
656 | return 0; | |
657 | } | |
658 | ||
659 | /* bits[0:3] of wSpeedSupported is used and others are reserved */ | |
660 | if (le16_to_cpu(ss->wSpeedSupported) & ~0x0f) { /* reserved == 0 */ | |
661 | ERROR(tdev, "reserved bits set in wSpeedSupported\n"); | |
662 | return 0; | |
663 | } | |
664 | ||
665 | return 1; | |
666 | } | |
667 | ||
8e29217f HR |
668 | static int is_good_con_id(struct usbtest_dev *tdev, u8 *buf) |
669 | { | |
670 | struct usb_ss_container_id_descriptor *con_id; | |
671 | ||
672 | con_id = (struct usb_ss_container_id_descriptor *) buf; | |
673 | ||
674 | if (con_id->bLength != USB_DT_USB_SS_CONTN_ID_SIZE) { | |
675 | ERROR(tdev, "bogus container id descriptor length\n"); | |
676 | return 0; | |
677 | } | |
678 | ||
679 | if (con_id->bReserved) { /* reserved == 0 */ | |
680 | ERROR(tdev, "reserved bits set\n"); | |
681 | return 0; | |
682 | } | |
683 | ||
684 | return 1; | |
685 | } | |
686 | ||
1da177e4 LT |
687 | /* sanity test for standard requests working with usb_control_mesg() and some |
688 | * of the utility functions which use it. | |
689 | * | |
690 | * this doesn't test how endpoint halts behave or data toggles get set, since | |
691 | * we won't do I/O to bulk/interrupt endpoints here (which is how to change | |
692 | * halt or toggle). toggle testing is impractical without support from hcds. | |
693 | * | |
694 | * this avoids failing devices linux would normally work with, by not testing | |
695 | * config/altsetting operations for devices that only support their defaults. | |
696 | * such devices rarely support those needless operations. | |
697 | * | |
698 | * NOTE that since this is a sanity test, it's not examining boundary cases | |
699 | * to see if usbcore, hcd, and device all behave right. such testing would | |
700 | * involve varied read sizes and other operation sequences. | |
701 | */ | |
fabbf219 | 702 | static int ch9_postconfig(struct usbtest_dev *dev) |
1da177e4 LT |
703 | { |
704 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 705 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
706 | int i, alt, retval; |
707 | ||
708 | /* [9.2.3] if there's more than one altsetting, we need to be able to | |
709 | * set and get each one. mostly trusts the descriptors from usbcore. | |
710 | */ | |
711 | for (i = 0; i < iface->num_altsetting; i++) { | |
712 | ||
713 | /* 9.2.3 constrains the range here */ | |
fabbf219 | 714 | alt = iface->altsetting[i].desc.bAlternateSetting; |
1da177e4 | 715 | if (alt < 0 || alt >= iface->num_altsetting) { |
28ffd79c | 716 | dev_err(&iface->dev, |
1da177e4 LT |
717 | "invalid alt [%d].bAltSetting = %d\n", |
718 | i, alt); | |
719 | } | |
720 | ||
721 | /* [real world] get/set unimplemented if there's only one */ | |
722 | if (realworld && iface->num_altsetting == 1) | |
723 | continue; | |
724 | ||
725 | /* [9.4.10] set_interface */ | |
fabbf219 | 726 | retval = set_altsetting(dev, alt); |
1da177e4 | 727 | if (retval) { |
28ffd79c | 728 | dev_err(&iface->dev, "can't set_interface = %d, %d\n", |
1da177e4 LT |
729 | alt, retval); |
730 | return retval; | |
731 | } | |
732 | ||
733 | /* [9.4.4] get_interface always works */ | |
fabbf219 | 734 | retval = get_altsetting(dev); |
1da177e4 | 735 | if (retval != alt) { |
28ffd79c | 736 | dev_err(&iface->dev, "get alt should be %d, was %d\n", |
1da177e4 LT |
737 | alt, retval); |
738 | return (retval < 0) ? retval : -EDOM; | |
739 | } | |
740 | ||
741 | } | |
742 | ||
743 | /* [real world] get_config unimplemented if there's only one */ | |
744 | if (!realworld || udev->descriptor.bNumConfigurations != 1) { | |
745 | int expected = udev->actconfig->desc.bConfigurationValue; | |
746 | ||
747 | /* [9.4.2] get_configuration always works | |
748 | * ... although some cheap devices (like one TI Hub I've got) | |
749 | * won't return config descriptors except before set_config. | |
750 | */ | |
fabbf219 | 751 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
752 | USB_REQ_GET_CONFIGURATION, |
753 | USB_DIR_IN | USB_RECIP_DEVICE, | |
754 | 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); | |
fabbf219 | 755 | if (retval != 1 || dev->buf[0] != expected) { |
28ffd79c | 756 | dev_err(&iface->dev, "get config --> %d %d (1 %d)\n", |
ff7c79e4 | 757 | retval, dev->buf[0], expected); |
1da177e4 LT |
758 | return (retval < 0) ? retval : -EDOM; |
759 | } | |
760 | } | |
761 | ||
762 | /* there's always [9.4.3] a device descriptor [9.6.1] */ | |
fabbf219 | 763 | retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0, |
f55055b4 HR |
764 | dev->buf, sizeof(udev->descriptor)); |
765 | if (retval != sizeof(udev->descriptor)) { | |
28ffd79c | 766 | dev_err(&iface->dev, "dev descriptor --> %d\n", retval); |
1da177e4 LT |
767 | return (retval < 0) ? retval : -EDOM; |
768 | } | |
769 | ||
9d3bd768 HR |
770 | /* |
771 | * there's always [9.4.3] a bos device descriptor [9.6.2] in USB | |
772 | * 3.0 spec | |
773 | */ | |
f625099f | 774 | if (le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0210) { |
82f92672 HR |
775 | struct usb_bos_descriptor *bos = NULL; |
776 | struct usb_dev_cap_header *header = NULL; | |
777 | unsigned total, num, length; | |
778 | u8 *buf; | |
779 | ||
9d3bd768 HR |
780 | retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf, |
781 | sizeof(*udev->bos->desc)); | |
782 | if (retval != sizeof(*udev->bos->desc)) { | |
783 | dev_err(&iface->dev, "bos descriptor --> %d\n", retval); | |
784 | return (retval < 0) ? retval : -EDOM; | |
785 | } | |
82f92672 HR |
786 | |
787 | bos = (struct usb_bos_descriptor *)dev->buf; | |
788 | total = le16_to_cpu(bos->wTotalLength); | |
789 | num = bos->bNumDeviceCaps; | |
790 | ||
791 | if (total > TBUF_SIZE) | |
792 | total = TBUF_SIZE; | |
793 | ||
794 | /* | |
795 | * get generic device-level capability descriptors [9.6.2] | |
796 | * in USB 3.0 spec | |
797 | */ | |
798 | retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf, | |
799 | total); | |
800 | if (retval != total) { | |
801 | dev_err(&iface->dev, "bos descriptor set --> %d\n", | |
802 | retval); | |
803 | return (retval < 0) ? retval : -EDOM; | |
804 | } | |
805 | ||
806 | length = sizeof(*udev->bos->desc); | |
807 | buf = dev->buf; | |
808 | for (i = 0; i < num; i++) { | |
809 | buf += length; | |
810 | if (buf + sizeof(struct usb_dev_cap_header) > | |
811 | dev->buf + total) | |
812 | break; | |
813 | ||
814 | header = (struct usb_dev_cap_header *)buf; | |
815 | length = header->bLength; | |
816 | ||
817 | if (header->bDescriptorType != | |
818 | USB_DT_DEVICE_CAPABILITY) { | |
819 | dev_warn(&udev->dev, "not device capability descriptor, skip\n"); | |
820 | continue; | |
821 | } | |
822 | ||
823 | switch (header->bDevCapabilityType) { | |
824 | case USB_CAP_TYPE_EXT: | |
825 | if (buf + USB_DT_USB_EXT_CAP_SIZE > | |
826 | dev->buf + total || | |
827 | !is_good_ext(dev, buf)) { | |
828 | dev_err(&iface->dev, "bogus usb 2.0 extension descriptor\n"); | |
829 | return -EDOM; | |
830 | } | |
831 | break; | |
b8fef795 HR |
832 | case USB_SS_CAP_TYPE: |
833 | if (buf + USB_DT_USB_SS_CAP_SIZE > | |
834 | dev->buf + total || | |
835 | !is_good_ss_cap(dev, buf)) { | |
836 | dev_err(&iface->dev, "bogus superspeed device capability descriptor\n"); | |
837 | return -EDOM; | |
838 | } | |
839 | break; | |
8e29217f HR |
840 | case CONTAINER_ID_TYPE: |
841 | if (buf + USB_DT_USB_SS_CONTN_ID_SIZE > | |
842 | dev->buf + total || | |
843 | !is_good_con_id(dev, buf)) { | |
844 | dev_err(&iface->dev, "bogus container id descriptor\n"); | |
845 | return -EDOM; | |
846 | } | |
847 | break; | |
82f92672 HR |
848 | default: |
849 | break; | |
850 | } | |
851 | } | |
9d3bd768 HR |
852 | } |
853 | ||
1da177e4 LT |
854 | /* there's always [9.4.3] at least one config descriptor [9.6.3] */ |
855 | for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { | |
fabbf219 | 856 | retval = usb_get_descriptor(udev, USB_DT_CONFIG, i, |
1da177e4 | 857 | dev->buf, TBUF_SIZE); |
28ffd79c DB |
858 | if (!is_good_config(dev, retval)) { |
859 | dev_err(&iface->dev, | |
1da177e4 LT |
860 | "config [%d] descriptor --> %d\n", |
861 | i, retval); | |
862 | return (retval < 0) ? retval : -EDOM; | |
863 | } | |
864 | ||
fabbf219 MF |
865 | /* FIXME cross-checking udev->config[i] to make sure usbcore |
866 | * parsed it right (etc) would be good testing paranoia | |
867 | */ | |
1da177e4 LT |
868 | } |
869 | ||
870 | /* and sometimes [9.2.6.6] speed dependent descriptors */ | |
871 | if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { | |
fabbf219 | 872 | struct usb_qualifier_descriptor *d = NULL; |
1da177e4 LT |
873 | |
874 | /* device qualifier [9.6.2] */ | |
fabbf219 | 875 | retval = usb_get_descriptor(udev, |
1da177e4 | 876 | USB_DT_DEVICE_QUALIFIER, 0, dev->buf, |
fabbf219 | 877 | sizeof(struct usb_qualifier_descriptor)); |
1da177e4 LT |
878 | if (retval == -EPIPE) { |
879 | if (udev->speed == USB_SPEED_HIGH) { | |
28ffd79c | 880 | dev_err(&iface->dev, |
1da177e4 LT |
881 | "hs dev qualifier --> %d\n", |
882 | retval); | |
883 | return (retval < 0) ? retval : -EDOM; | |
884 | } | |
885 | /* usb2.0 but not high-speed capable; fine */ | |
fabbf219 | 886 | } else if (retval != sizeof(struct usb_qualifier_descriptor)) { |
28ffd79c | 887 | dev_err(&iface->dev, "dev qualifier --> %d\n", retval); |
1da177e4 LT |
888 | return (retval < 0) ? retval : -EDOM; |
889 | } else | |
890 | d = (struct usb_qualifier_descriptor *) dev->buf; | |
891 | ||
892 | /* might not have [9.6.2] any other-speed configs [9.6.4] */ | |
893 | if (d) { | |
894 | unsigned max = d->bNumConfigurations; | |
895 | for (i = 0; i < max; i++) { | |
fabbf219 | 896 | retval = usb_get_descriptor(udev, |
1da177e4 LT |
897 | USB_DT_OTHER_SPEED_CONFIG, i, |
898 | dev->buf, TBUF_SIZE); | |
28ffd79c DB |
899 | if (!is_good_config(dev, retval)) { |
900 | dev_err(&iface->dev, | |
1da177e4 LT |
901 | "other speed config --> %d\n", |
902 | retval); | |
903 | return (retval < 0) ? retval : -EDOM; | |
904 | } | |
905 | } | |
906 | } | |
907 | } | |
fabbf219 | 908 | /* FIXME fetch strings from at least the device descriptor */ |
1da177e4 LT |
909 | |
910 | /* [9.4.5] get_status always works */ | |
fabbf219 | 911 | retval = usb_get_status(udev, USB_RECIP_DEVICE, 0, dev->buf); |
15b7336e | 912 | if (retval) { |
28ffd79c | 913 | dev_err(&iface->dev, "get dev status --> %d\n", retval); |
15b7336e | 914 | return retval; |
1da177e4 LT |
915 | } |
916 | ||
fabbf219 MF |
917 | /* FIXME configuration.bmAttributes says if we could try to set/clear |
918 | * the device's remote wakeup feature ... if we can, test that here | |
919 | */ | |
1da177e4 | 920 | |
fabbf219 MF |
921 | retval = usb_get_status(udev, USB_RECIP_INTERFACE, |
922 | iface->altsetting[0].desc.bInterfaceNumber, dev->buf); | |
15b7336e | 923 | if (retval) { |
28ffd79c | 924 | dev_err(&iface->dev, "get interface status --> %d\n", retval); |
15b7336e | 925 | return retval; |
1da177e4 | 926 | } |
fabbf219 | 927 | /* FIXME get status for each endpoint in the interface */ |
28ffd79c | 928 | |
1da177e4 LT |
929 | return 0; |
930 | } | |
931 | ||
932 | /*-------------------------------------------------------------------------*/ | |
933 | ||
934 | /* use ch9 requests to test whether: | |
935 | * (a) queues work for control, keeping N subtests queued and | |
936 | * active (auto-resubmit) for M loops through the queue. | |
937 | * (b) protocol stalls (control-only) will autorecover. | |
938 | * it's not like bulk/intr; no halt clearing. | |
939 | * (c) short control reads are reported and handled. | |
940 | * (d) queues are always processed in-order | |
941 | */ | |
942 | ||
943 | struct ctrl_ctx { | |
944 | spinlock_t lock; | |
945 | struct usbtest_dev *dev; | |
946 | struct completion complete; | |
947 | unsigned count; | |
948 | unsigned pending; | |
949 | int status; | |
950 | struct urb **urb; | |
951 | struct usbtest_param *param; | |
952 | int last; | |
953 | }; | |
954 | ||
c952a8ba | 955 | #define NUM_SUBCASES 16 /* how many test subcases here? */ |
1da177e4 LT |
956 | |
957 | struct subcase { | |
958 | struct usb_ctrlrequest setup; | |
959 | int number; | |
960 | int expected; | |
961 | }; | |
962 | ||
fabbf219 | 963 | static void ctrl_complete(struct urb *urb) |
1da177e4 LT |
964 | { |
965 | struct ctrl_ctx *ctx = urb->context; | |
966 | struct usb_ctrlrequest *reqp; | |
967 | struct subcase *subcase; | |
968 | int status = urb->status; | |
969 | ||
970 | reqp = (struct usb_ctrlrequest *)urb->setup_packet; | |
fabbf219 | 971 | subcase = container_of(reqp, struct subcase, setup); |
1da177e4 | 972 | |
fabbf219 | 973 | spin_lock(&ctx->lock); |
1da177e4 LT |
974 | ctx->count--; |
975 | ctx->pending--; | |
976 | ||
977 | /* queue must transfer and complete in fifo order, unless | |
978 | * usb_unlink_urb() is used to unlink something not at the | |
979 | * physical queue head (not tested). | |
980 | */ | |
981 | if (subcase->number > 0) { | |
982 | if ((subcase->number - ctx->last) != 1) { | |
28ffd79c DB |
983 | ERROR(ctx->dev, |
984 | "subcase %d completed out of order, last %d\n", | |
985 | subcase->number, ctx->last); | |
1da177e4 LT |
986 | status = -EDOM; |
987 | ctx->last = subcase->number; | |
988 | goto error; | |
989 | } | |
990 | } | |
991 | ctx->last = subcase->number; | |
992 | ||
993 | /* succeed or fault in only one way? */ | |
994 | if (status == subcase->expected) | |
995 | status = 0; | |
996 | ||
997 | /* async unlink for cleanup? */ | |
998 | else if (status != -ECONNRESET) { | |
999 | ||
1000 | /* some faults are allowed, not required */ | |
1001 | if (subcase->expected > 0 && ( | |
59d99785 GKH |
1002 | ((status == -subcase->expected /* happened */ |
1003 | || status == 0)))) /* didn't */ | |
1da177e4 LT |
1004 | status = 0; |
1005 | /* sometimes more than one fault is allowed */ | |
1006 | else if (subcase->number == 12 && status == -EPIPE) | |
1007 | status = 0; | |
1008 | else | |
28ffd79c | 1009 | ERROR(ctx->dev, "subtest %d error, status %d\n", |
1da177e4 LT |
1010 | subcase->number, status); |
1011 | } | |
1012 | ||
1013 | /* unexpected status codes mean errors; ideally, in hardware */ | |
1014 | if (status) { | |
1015 | error: | |
1016 | if (ctx->status == 0) { | |
1017 | int i; | |
1018 | ||
1019 | ctx->status = status; | |
28ffd79c DB |
1020 | ERROR(ctx->dev, "control queue %02x.%02x, err %d, " |
1021 | "%d left, subcase %d, len %d/%d\n", | |
1da177e4 | 1022 | reqp->bRequestType, reqp->bRequest, |
28ffd79c DB |
1023 | status, ctx->count, subcase->number, |
1024 | urb->actual_length, | |
1025 | urb->transfer_buffer_length); | |
1da177e4 LT |
1026 | |
1027 | /* FIXME this "unlink everything" exit route should | |
1028 | * be a separate test case. | |
1029 | */ | |
1030 | ||
1031 | /* unlink whatever's still pending */ | |
1032 | for (i = 1; i < ctx->param->sglen; i++) { | |
fabbf219 MF |
1033 | struct urb *u = ctx->urb[ |
1034 | (i + subcase->number) | |
1035 | % ctx->param->sglen]; | |
1da177e4 LT |
1036 | |
1037 | if (u == urb || !u->dev) | |
1038 | continue; | |
caa2a122 | 1039 | spin_unlock(&ctx->lock); |
fabbf219 | 1040 | status = usb_unlink_urb(u); |
caa2a122 | 1041 | spin_lock(&ctx->lock); |
1da177e4 LT |
1042 | switch (status) { |
1043 | case -EINPROGRESS: | |
1044 | case -EBUSY: | |
1045 | case -EIDRM: | |
1046 | continue; | |
1047 | default: | |
28ffd79c DB |
1048 | ERROR(ctx->dev, "urb unlink --> %d\n", |
1049 | status); | |
1da177e4 LT |
1050 | } |
1051 | } | |
1052 | status = ctx->status; | |
1053 | } | |
1054 | } | |
1055 | ||
1056 | /* resubmit if we need to, else mark this as done */ | |
1057 | if ((status == 0) && (ctx->pending < ctx->count)) { | |
fabbf219 MF |
1058 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1059 | if (status != 0) { | |
28ffd79c DB |
1060 | ERROR(ctx->dev, |
1061 | "can't resubmit ctrl %02x.%02x, err %d\n", | |
1da177e4 LT |
1062 | reqp->bRequestType, reqp->bRequest, status); |
1063 | urb->dev = NULL; | |
1064 | } else | |
1065 | ctx->pending++; | |
1066 | } else | |
1067 | urb->dev = NULL; | |
28ffd79c | 1068 | |
1da177e4 LT |
1069 | /* signal completion when nothing's queued */ |
1070 | if (ctx->pending == 0) | |
fabbf219 MF |
1071 | complete(&ctx->complete); |
1072 | spin_unlock(&ctx->lock); | |
1da177e4 LT |
1073 | } |
1074 | ||
1075 | static int | |
fabbf219 | 1076 | test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param) |
1da177e4 | 1077 | { |
fabbf219 | 1078 | struct usb_device *udev = testdev_to_usbdev(dev); |
1da177e4 LT |
1079 | struct urb **urb; |
1080 | struct ctrl_ctx context; | |
1081 | int i; | |
1082 | ||
e65cdfae XW |
1083 | if (param->sglen == 0 || param->iterations > UINT_MAX / param->sglen) |
1084 | return -EOPNOTSUPP; | |
1085 | ||
fabbf219 | 1086 | spin_lock_init(&context.lock); |
1da177e4 | 1087 | context.dev = dev; |
fabbf219 | 1088 | init_completion(&context.complete); |
1da177e4 LT |
1089 | context.count = param->sglen * param->iterations; |
1090 | context.pending = 0; | |
1091 | context.status = -ENOMEM; | |
1092 | context.param = param; | |
1093 | context.last = -1; | |
1094 | ||
1095 | /* allocate and init the urbs we'll queue. | |
1096 | * as with bulk/intr sglists, sglen is the queue depth; it also | |
1097 | * controls which subtests run (more tests than sglen) or rerun. | |
1098 | */ | |
e94b1766 | 1099 | urb = kcalloc(param->sglen, sizeof(struct urb *), GFP_KERNEL); |
1da177e4 LT |
1100 | if (!urb) |
1101 | return -ENOMEM; | |
1da177e4 | 1102 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 1103 | int pipe = usb_rcvctrlpipe(udev, 0); |
1da177e4 LT |
1104 | unsigned len; |
1105 | struct urb *u; | |
1106 | struct usb_ctrlrequest req; | |
1107 | struct subcase *reqp; | |
6def7553 MS |
1108 | |
1109 | /* sign of this variable means: | |
1110 | * -: tested code must return this (negative) error code | |
1111 | * +: tested code may return this (negative too) error code | |
1112 | */ | |
1da177e4 LT |
1113 | int expected = 0; |
1114 | ||
1115 | /* requests here are mostly expected to succeed on any | |
1116 | * device, but some are chosen to trigger protocol stalls | |
1117 | * or short reads. | |
1118 | */ | |
f55055b4 | 1119 | memset(&req, 0, sizeof(req)); |
1da177e4 LT |
1120 | req.bRequest = USB_REQ_GET_DESCRIPTOR; |
1121 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
1122 | ||
1123 | switch (i % NUM_SUBCASES) { | |
fabbf219 MF |
1124 | case 0: /* get device descriptor */ |
1125 | req.wValue = cpu_to_le16(USB_DT_DEVICE << 8); | |
1126 | len = sizeof(struct usb_device_descriptor); | |
1da177e4 | 1127 | break; |
fabbf219 MF |
1128 | case 1: /* get first config descriptor (only) */ |
1129 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1130 | len = sizeof(struct usb_config_descriptor); | |
1da177e4 | 1131 | break; |
fabbf219 | 1132 | case 2: /* get altsetting (OFTEN STALLS) */ |
1da177e4 LT |
1133 | req.bRequest = USB_REQ_GET_INTERFACE; |
1134 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 1135 | /* index = 0 means first interface */ |
1da177e4 LT |
1136 | len = 1; |
1137 | expected = EPIPE; | |
1138 | break; | |
fabbf219 | 1139 | case 3: /* get interface status */ |
1da177e4 LT |
1140 | req.bRequest = USB_REQ_GET_STATUS; |
1141 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 1142 | /* interface 0 */ |
1da177e4 LT |
1143 | len = 2; |
1144 | break; | |
fabbf219 | 1145 | case 4: /* get device status */ |
1da177e4 LT |
1146 | req.bRequest = USB_REQ_GET_STATUS; |
1147 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
1148 | len = 2; | |
1149 | break; | |
fabbf219 | 1150 | case 5: /* get device qualifier (MAY STALL) */ |
1da177e4 | 1151 | req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); |
fabbf219 | 1152 | len = sizeof(struct usb_qualifier_descriptor); |
1da177e4 LT |
1153 | if (udev->speed != USB_SPEED_HIGH) |
1154 | expected = EPIPE; | |
1155 | break; | |
fabbf219 MF |
1156 | case 6: /* get first config descriptor, plus interface */ |
1157 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1158 | len = sizeof(struct usb_config_descriptor); | |
1159 | len += sizeof(struct usb_interface_descriptor); | |
1da177e4 | 1160 | break; |
fabbf219 | 1161 | case 7: /* get interface descriptor (ALWAYS STALLS) */ |
1da177e4 | 1162 | req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); |
fabbf219 MF |
1163 | /* interface == 0 */ |
1164 | len = sizeof(struct usb_interface_descriptor); | |
28ffd79c | 1165 | expected = -EPIPE; |
1da177e4 | 1166 | break; |
fabbf219 MF |
1167 | /* NOTE: two consecutive stalls in the queue here. |
1168 | * that tests fault recovery a bit more aggressively. */ | |
1169 | case 8: /* clear endpoint halt (MAY STALL) */ | |
1da177e4 LT |
1170 | req.bRequest = USB_REQ_CLEAR_FEATURE; |
1171 | req.bRequestType = USB_RECIP_ENDPOINT; | |
fabbf219 MF |
1172 | /* wValue 0 == ep halt */ |
1173 | /* wIndex 0 == ep0 (shouldn't halt!) */ | |
1da177e4 | 1174 | len = 0; |
fabbf219 | 1175 | pipe = usb_sndctrlpipe(udev, 0); |
1da177e4 LT |
1176 | expected = EPIPE; |
1177 | break; | |
fabbf219 | 1178 | case 9: /* get endpoint status */ |
1da177e4 LT |
1179 | req.bRequest = USB_REQ_GET_STATUS; |
1180 | req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; | |
fabbf219 | 1181 | /* endpoint 0 */ |
1da177e4 LT |
1182 | len = 2; |
1183 | break; | |
fabbf219 MF |
1184 | case 10: /* trigger short read (EREMOTEIO) */ |
1185 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1da177e4 LT |
1186 | len = 1024; |
1187 | expected = -EREMOTEIO; | |
1188 | break; | |
fabbf219 MF |
1189 | /* NOTE: two consecutive _different_ faults in the queue. */ |
1190 | case 11: /* get endpoint descriptor (ALWAYS STALLS) */ | |
1191 | req.wValue = cpu_to_le16(USB_DT_ENDPOINT << 8); | |
1192 | /* endpoint == 0 */ | |
1193 | len = sizeof(struct usb_interface_descriptor); | |
1da177e4 LT |
1194 | expected = EPIPE; |
1195 | break; | |
fabbf219 MF |
1196 | /* NOTE: sometimes even a third fault in the queue! */ |
1197 | case 12: /* get string 0 descriptor (MAY STALL) */ | |
1198 | req.wValue = cpu_to_le16(USB_DT_STRING << 8); | |
1199 | /* string == 0, for language IDs */ | |
1200 | len = sizeof(struct usb_interface_descriptor); | |
1201 | /* may succeed when > 4 languages */ | |
1202 | expected = EREMOTEIO; /* or EPIPE, if no strings */ | |
1da177e4 | 1203 | break; |
fabbf219 MF |
1204 | case 13: /* short read, resembling case 10 */ |
1205 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1206 | /* last data packet "should" be DATA1, not DATA0 */ | |
6a23ccd2 PZ |
1207 | if (udev->speed == USB_SPEED_SUPER) |
1208 | len = 1024 - 512; | |
1209 | else | |
1210 | len = 1024 - udev->descriptor.bMaxPacketSize0; | |
1da177e4 LT |
1211 | expected = -EREMOTEIO; |
1212 | break; | |
fabbf219 MF |
1213 | case 14: /* short read; try to fill the last packet */ |
1214 | req.wValue = cpu_to_le16((USB_DT_DEVICE << 8) | 0); | |
28ffd79c | 1215 | /* device descriptor size == 18 bytes */ |
1da177e4 | 1216 | len = udev->descriptor.bMaxPacketSize0; |
67e7d64b SAS |
1217 | if (udev->speed == USB_SPEED_SUPER) |
1218 | len = 512; | |
1da177e4 | 1219 | switch (len) { |
fabbf219 MF |
1220 | case 8: |
1221 | len = 24; | |
1222 | break; | |
1223 | case 16: | |
1224 | len = 32; | |
1225 | break; | |
1da177e4 LT |
1226 | } |
1227 | expected = -EREMOTEIO; | |
1228 | break; | |
c952a8ba HR |
1229 | case 15: |
1230 | req.wValue = cpu_to_le16(USB_DT_BOS << 8); | |
1231 | if (udev->bos) | |
1232 | len = le16_to_cpu(udev->bos->desc->wTotalLength); | |
1233 | else | |
1234 | len = sizeof(struct usb_bos_descriptor); | |
8cf43285 | 1235 | if (le16_to_cpu(udev->descriptor.bcdUSB) < 0x0201) |
c952a8ba HR |
1236 | expected = -EPIPE; |
1237 | break; | |
1da177e4 | 1238 | default: |
28ffd79c | 1239 | ERROR(dev, "bogus number of ctrl queue testcases!\n"); |
1da177e4 LT |
1240 | context.status = -EINVAL; |
1241 | goto cleanup; | |
1242 | } | |
fabbf219 MF |
1243 | req.wLength = cpu_to_le16(len); |
1244 | urb[i] = u = simple_alloc_urb(udev, pipe, len); | |
1da177e4 LT |
1245 | if (!u) |
1246 | goto cleanup; | |
1247 | ||
f55055b4 | 1248 | reqp = kmalloc(sizeof(*reqp), GFP_KERNEL); |
1da177e4 LT |
1249 | if (!reqp) |
1250 | goto cleanup; | |
1251 | reqp->setup = req; | |
1252 | reqp->number = i % NUM_SUBCASES; | |
1253 | reqp->expected = expected; | |
1254 | u->setup_packet = (char *) &reqp->setup; | |
1255 | ||
1256 | u->context = &context; | |
1257 | u->complete = ctrl_complete; | |
1da177e4 LT |
1258 | } |
1259 | ||
1260 | /* queue the urbs */ | |
1261 | context.urb = urb; | |
fabbf219 | 1262 | spin_lock_irq(&context.lock); |
1da177e4 | 1263 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 1264 | context.status = usb_submit_urb(urb[i], GFP_ATOMIC); |
1da177e4 | 1265 | if (context.status != 0) { |
28ffd79c | 1266 | ERROR(dev, "can't submit urb[%d], status %d\n", |
1da177e4 LT |
1267 | i, context.status); |
1268 | context.count = context.pending; | |
1269 | break; | |
1270 | } | |
1271 | context.pending++; | |
1272 | } | |
fabbf219 | 1273 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1274 | |
1275 | /* FIXME set timer and time out; provide a disconnect hook */ | |
1276 | ||
1277 | /* wait for the last one to complete */ | |
1278 | if (context.pending > 0) | |
fabbf219 | 1279 | wait_for_completion(&context.complete); |
1da177e4 LT |
1280 | |
1281 | cleanup: | |
1282 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1283 | if (!urb[i]) |
1da177e4 | 1284 | continue; |
fabbf219 | 1285 | urb[i]->dev = udev; |
0ede76fc | 1286 | kfree(urb[i]->setup_packet); |
fabbf219 | 1287 | simple_free_urb(urb[i]); |
1da177e4 | 1288 | } |
fabbf219 | 1289 | kfree(urb); |
1da177e4 LT |
1290 | return context.status; |
1291 | } | |
1292 | #undef NUM_SUBCASES | |
1293 | ||
1294 | ||
1295 | /*-------------------------------------------------------------------------*/ | |
1296 | ||
fabbf219 | 1297 | static void unlink1_callback(struct urb *urb) |
1da177e4 LT |
1298 | { |
1299 | int status = urb->status; | |
1300 | ||
fabbf219 | 1301 | /* we "know" -EPIPE (stall) never happens */ |
1da177e4 | 1302 | if (!status) |
fabbf219 | 1303 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1304 | if (status) { |
1305 | urb->status = status; | |
cdc97792 | 1306 | complete(urb->context); |
1da177e4 LT |
1307 | } |
1308 | } | |
1309 | ||
fabbf219 | 1310 | static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async) |
1da177e4 LT |
1311 | { |
1312 | struct urb *urb; | |
1313 | struct completion completion; | |
1314 | int retval = 0; | |
1315 | ||
fabbf219 MF |
1316 | init_completion(&completion); |
1317 | urb = simple_alloc_urb(testdev_to_usbdev(dev), pipe, size); | |
1da177e4 LT |
1318 | if (!urb) |
1319 | return -ENOMEM; | |
1da177e4 LT |
1320 | urb->context = &completion; |
1321 | urb->complete = unlink1_callback; | |
1322 | ||
1323 | /* keep the endpoint busy. there are lots of hc/hcd-internal | |
1324 | * states, and testing should get to all of them over time. | |
1325 | * | |
1326 | * FIXME want additional tests for when endpoint is STALLing | |
1327 | * due to errors, or is just NAKing requests. | |
1328 | */ | |
fabbf219 MF |
1329 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1330 | if (retval != 0) { | |
28ffd79c | 1331 | dev_err(&dev->intf->dev, "submit fail %d\n", retval); |
1da177e4 LT |
1332 | return retval; |
1333 | } | |
1334 | ||
1335 | /* unlinking that should always work. variable delay tests more | |
1336 | * hcd states and code paths, even with little other system load. | |
1337 | */ | |
fabbf219 | 1338 | msleep(jiffies % (2 * INTERRUPT_RATE)); |
1da177e4 | 1339 | if (async) { |
3b6c023f MF |
1340 | while (!completion_done(&completion)) { |
1341 | retval = usb_unlink_urb(urb); | |
1342 | ||
1343 | switch (retval) { | |
1344 | case -EBUSY: | |
1345 | case -EIDRM: | |
1346 | /* we can't unlink urbs while they're completing | |
1347 | * or if they've completed, and we haven't | |
1348 | * resubmitted. "normal" drivers would prevent | |
1349 | * resubmission, but since we're testing unlink | |
1350 | * paths, we can't. | |
1351 | */ | |
1352 | ERROR(dev, "unlink retry\n"); | |
1353 | continue; | |
1354 | case 0: | |
1355 | case -EINPROGRESS: | |
1356 | break; | |
1357 | ||
1358 | default: | |
1359 | dev_err(&dev->intf->dev, | |
1360 | "unlink fail %d\n", retval); | |
1361 | return retval; | |
1362 | } | |
1363 | ||
1364 | break; | |
1da177e4 LT |
1365 | } |
1366 | } else | |
fabbf219 | 1367 | usb_kill_urb(urb); |
1da177e4 | 1368 | |
fabbf219 | 1369 | wait_for_completion(&completion); |
1da177e4 | 1370 | retval = urb->status; |
fabbf219 | 1371 | simple_free_urb(urb); |
1da177e4 LT |
1372 | |
1373 | if (async) | |
1374 | return (retval == -ECONNRESET) ? 0 : retval - 1000; | |
1375 | else | |
1376 | return (retval == -ENOENT || retval == -EPERM) ? | |
1377 | 0 : retval - 2000; | |
1378 | } | |
1379 | ||
fabbf219 | 1380 | static int unlink_simple(struct usbtest_dev *dev, int pipe, int len) |
1da177e4 LT |
1381 | { |
1382 | int retval = 0; | |
1383 | ||
1384 | /* test sync and async paths */ | |
fabbf219 | 1385 | retval = unlink1(dev, pipe, len, 1); |
1da177e4 | 1386 | if (!retval) |
fabbf219 | 1387 | retval = unlink1(dev, pipe, len, 0); |
1da177e4 LT |
1388 | return retval; |
1389 | } | |
1390 | ||
1391 | /*-------------------------------------------------------------------------*/ | |
1392 | ||
869410f8 AS |
1393 | struct queued_ctx { |
1394 | struct completion complete; | |
1395 | atomic_t pending; | |
1396 | unsigned num; | |
1397 | int status; | |
1398 | struct urb **urbs; | |
1399 | }; | |
1400 | ||
1401 | static void unlink_queued_callback(struct urb *urb) | |
1402 | { | |
1403 | int status = urb->status; | |
1404 | struct queued_ctx *ctx = urb->context; | |
1405 | ||
1406 | if (ctx->status) | |
1407 | goto done; | |
1408 | if (urb == ctx->urbs[ctx->num - 4] || urb == ctx->urbs[ctx->num - 2]) { | |
1409 | if (status == -ECONNRESET) | |
1410 | goto done; | |
1411 | /* What error should we report if the URB completed normally? */ | |
1412 | } | |
1413 | if (status != 0) | |
1414 | ctx->status = status; | |
1415 | ||
1416 | done: | |
1417 | if (atomic_dec_and_test(&ctx->pending)) | |
1418 | complete(&ctx->complete); | |
1419 | } | |
1420 | ||
1421 | static int unlink_queued(struct usbtest_dev *dev, int pipe, unsigned num, | |
1422 | unsigned size) | |
1423 | { | |
1424 | struct queued_ctx ctx; | |
1425 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1426 | void *buf; | |
1427 | dma_addr_t buf_dma; | |
1428 | int i; | |
1429 | int retval = -ENOMEM; | |
1430 | ||
1431 | init_completion(&ctx.complete); | |
1432 | atomic_set(&ctx.pending, 1); /* One more than the actual value */ | |
1433 | ctx.num = num; | |
1434 | ctx.status = 0; | |
1435 | ||
1436 | buf = usb_alloc_coherent(udev, size, GFP_KERNEL, &buf_dma); | |
1437 | if (!buf) | |
1438 | return retval; | |
1439 | memset(buf, 0, size); | |
1440 | ||
1441 | /* Allocate and init the urbs we'll queue */ | |
1442 | ctx.urbs = kcalloc(num, sizeof(struct urb *), GFP_KERNEL); | |
1443 | if (!ctx.urbs) | |
1444 | goto free_buf; | |
1445 | for (i = 0; i < num; i++) { | |
1446 | ctx.urbs[i] = usb_alloc_urb(0, GFP_KERNEL); | |
1447 | if (!ctx.urbs[i]) | |
1448 | goto free_urbs; | |
1449 | usb_fill_bulk_urb(ctx.urbs[i], udev, pipe, buf, size, | |
1450 | unlink_queued_callback, &ctx); | |
1451 | ctx.urbs[i]->transfer_dma = buf_dma; | |
1452 | ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; | |
1453 | } | |
1454 | ||
1455 | /* Submit all the URBs and then unlink URBs num - 4 and num - 2. */ | |
1456 | for (i = 0; i < num; i++) { | |
1457 | atomic_inc(&ctx.pending); | |
1458 | retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL); | |
1459 | if (retval != 0) { | |
1460 | dev_err(&dev->intf->dev, "submit urbs[%d] fail %d\n", | |
1461 | i, retval); | |
1462 | atomic_dec(&ctx.pending); | |
1463 | ctx.status = retval; | |
1464 | break; | |
1465 | } | |
1466 | } | |
1467 | if (i == num) { | |
1468 | usb_unlink_urb(ctx.urbs[num - 4]); | |
1469 | usb_unlink_urb(ctx.urbs[num - 2]); | |
1470 | } else { | |
1471 | while (--i >= 0) | |
1472 | usb_unlink_urb(ctx.urbs[i]); | |
1473 | } | |
1474 | ||
1475 | if (atomic_dec_and_test(&ctx.pending)) /* The extra count */ | |
1476 | complete(&ctx.complete); | |
1477 | wait_for_completion(&ctx.complete); | |
1478 | retval = ctx.status; | |
1479 | ||
1480 | free_urbs: | |
1481 | for (i = 0; i < num; i++) | |
1482 | usb_free_urb(ctx.urbs[i]); | |
1483 | kfree(ctx.urbs); | |
1484 | free_buf: | |
1485 | usb_free_coherent(udev, size, buf, buf_dma); | |
1486 | return retval; | |
1487 | } | |
1488 | ||
1489 | /*-------------------------------------------------------------------------*/ | |
1490 | ||
28ffd79c | 1491 | static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1492 | { |
1493 | int retval; | |
1494 | u16 status; | |
1495 | ||
1496 | /* shouldn't look or act halted */ | |
fabbf219 | 1497 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1498 | if (retval < 0) { |
28ffd79c DB |
1499 | ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", |
1500 | ep, retval); | |
1da177e4 LT |
1501 | return retval; |
1502 | } | |
1503 | if (status != 0) { | |
28ffd79c | 1504 | ERROR(tdev, "ep %02x bogus status: %04x != 0\n", ep, status); |
1da177e4 LT |
1505 | return -EINVAL; |
1506 | } | |
28ffd79c | 1507 | retval = simple_io(tdev, urb, 1, 0, 0, __func__); |
1da177e4 LT |
1508 | if (retval != 0) |
1509 | return -EINVAL; | |
1510 | return 0; | |
1511 | } | |
1512 | ||
28ffd79c | 1513 | static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1514 | { |
1515 | int retval; | |
1516 | u16 status; | |
1517 | ||
1518 | /* should look and act halted */ | |
fabbf219 | 1519 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1520 | if (retval < 0) { |
28ffd79c DB |
1521 | ERROR(tdev, "ep %02x couldn't get halt status, %d\n", |
1522 | ep, retval); | |
1da177e4 LT |
1523 | return retval; |
1524 | } | |
1525 | if (status != 1) { | |
28ffd79c | 1526 | ERROR(tdev, "ep %02x bogus status: %04x != 1\n", ep, status); |
1da177e4 LT |
1527 | return -EINVAL; |
1528 | } | |
28ffd79c | 1529 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__); |
1da177e4 LT |
1530 | if (retval != -EPIPE) |
1531 | return -EINVAL; | |
28ffd79c | 1532 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted"); |
1da177e4 LT |
1533 | if (retval != -EPIPE) |
1534 | return -EINVAL; | |
1535 | return 0; | |
1536 | } | |
1537 | ||
28ffd79c | 1538 | static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1539 | { |
1540 | int retval; | |
1541 | ||
1542 | /* shouldn't look or act halted now */ | |
28ffd79c | 1543 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1544 | if (retval < 0) |
1545 | return retval; | |
1546 | ||
1547 | /* set halt (protocol test only), verify it worked */ | |
fabbf219 | 1548 | retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0), |
1da177e4 LT |
1549 | USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, |
1550 | USB_ENDPOINT_HALT, ep, | |
1551 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
1552 | if (retval < 0) { | |
28ffd79c | 1553 | ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval); |
1da177e4 LT |
1554 | return retval; |
1555 | } | |
28ffd79c | 1556 | retval = verify_halted(tdev, ep, urb); |
824d752b RQ |
1557 | if (retval < 0) { |
1558 | int ret; | |
1559 | ||
1560 | /* clear halt anyways, else further tests will fail */ | |
1561 | ret = usb_clear_halt(urb->dev, urb->pipe); | |
1562 | if (ret) | |
1563 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", | |
1564 | ep, ret); | |
1565 | ||
1da177e4 | 1566 | return retval; |
824d752b | 1567 | } |
1da177e4 LT |
1568 | |
1569 | /* clear halt (tests API + protocol), verify it worked */ | |
fabbf219 | 1570 | retval = usb_clear_halt(urb->dev, urb->pipe); |
1da177e4 | 1571 | if (retval < 0) { |
28ffd79c | 1572 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval); |
1da177e4 LT |
1573 | return retval; |
1574 | } | |
28ffd79c | 1575 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1576 | if (retval < 0) |
1577 | return retval; | |
1578 | ||
1579 | /* NOTE: could also verify SET_INTERFACE clear halts ... */ | |
1580 | ||
1581 | return 0; | |
1582 | } | |
1583 | ||
fabbf219 | 1584 | static int halt_simple(struct usbtest_dev *dev) |
1da177e4 | 1585 | { |
6a23ccd2 PZ |
1586 | int ep; |
1587 | int retval = 0; | |
1588 | struct urb *urb; | |
1589 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1da177e4 | 1590 | |
6a23ccd2 PZ |
1591 | if (udev->speed == USB_SPEED_SUPER) |
1592 | urb = simple_alloc_urb(udev, 0, 1024); | |
1593 | else | |
1594 | urb = simple_alloc_urb(udev, 0, 512); | |
1da177e4 LT |
1595 | if (urb == NULL) |
1596 | return -ENOMEM; | |
1597 | ||
1598 | if (dev->in_pipe) { | |
fabbf219 | 1599 | ep = usb_pipeendpoint(dev->in_pipe) | USB_DIR_IN; |
1da177e4 | 1600 | urb->pipe = dev->in_pipe; |
28ffd79c | 1601 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1602 | if (retval < 0) |
1603 | goto done; | |
1604 | } | |
1605 | ||
1606 | if (dev->out_pipe) { | |
fabbf219 | 1607 | ep = usb_pipeendpoint(dev->out_pipe); |
1da177e4 | 1608 | urb->pipe = dev->out_pipe; |
28ffd79c | 1609 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1610 | } |
1611 | done: | |
fabbf219 | 1612 | simple_free_urb(urb); |
1da177e4 LT |
1613 | return retval; |
1614 | } | |
1615 | ||
1616 | /*-------------------------------------------------------------------------*/ | |
1617 | ||
1618 | /* Control OUT tests use the vendor control requests from Intel's | |
1619 | * USB 2.0 compliance test device: write a buffer, read it back. | |
1620 | * | |
1621 | * Intel's spec only _requires_ that it work for one packet, which | |
1622 | * is pretty weak. Some HCDs place limits here; most devices will | |
1623 | * need to be able to handle more than one OUT data packet. We'll | |
1624 | * try whatever we're told to try. | |
1625 | */ | |
fabbf219 | 1626 | static int ctrl_out(struct usbtest_dev *dev, |
084fb206 | 1627 | unsigned count, unsigned length, unsigned vary, unsigned offset) |
1da177e4 | 1628 | { |
f54fa84d OF |
1629 | unsigned i, j, len; |
1630 | int retval; | |
1da177e4 LT |
1631 | u8 *buf; |
1632 | char *what = "?"; | |
1633 | struct usb_device *udev; | |
f54fa84d | 1634 | |
ff7c79e4 | 1635 | if (length < 1 || length > 0xffff || vary >= length) |
1da177e4 LT |
1636 | return -EINVAL; |
1637 | ||
084fb206 | 1638 | buf = kmalloc(length + offset, GFP_KERNEL); |
1da177e4 LT |
1639 | if (!buf) |
1640 | return -ENOMEM; | |
1641 | ||
084fb206 | 1642 | buf += offset; |
fabbf219 | 1643 | udev = testdev_to_usbdev(dev); |
1da177e4 LT |
1644 | len = length; |
1645 | retval = 0; | |
1646 | ||
1647 | /* NOTE: hardware might well act differently if we pushed it | |
1648 | * with lots back-to-back queued requests. | |
1649 | */ | |
1650 | for (i = 0; i < count; i++) { | |
1651 | /* write patterned data */ | |
1652 | for (j = 0; j < len; j++) | |
fabbf219 MF |
1653 | buf[j] = i + j; |
1654 | retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
1da177e4 LT |
1655 | 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, |
1656 | 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); | |
1657 | if (retval != len) { | |
1658 | what = "write"; | |
ff7c79e4 | 1659 | if (retval >= 0) { |
28ffd79c | 1660 | ERROR(dev, "ctrl_out, wlen %d (expected %d)\n", |
ff7c79e4 DB |
1661 | retval, len); |
1662 | retval = -EBADMSG; | |
1663 | } | |
1da177e4 LT |
1664 | break; |
1665 | } | |
1666 | ||
1667 | /* read it back -- assuming nothing intervened!! */ | |
fabbf219 | 1668 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
1669 | 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, |
1670 | 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); | |
1671 | if (retval != len) { | |
1672 | what = "read"; | |
ff7c79e4 | 1673 | if (retval >= 0) { |
28ffd79c | 1674 | ERROR(dev, "ctrl_out, rlen %d (expected %d)\n", |
ff7c79e4 DB |
1675 | retval, len); |
1676 | retval = -EBADMSG; | |
1677 | } | |
1da177e4 LT |
1678 | break; |
1679 | } | |
1680 | ||
1681 | /* fail if we can't verify */ | |
1682 | for (j = 0; j < len; j++) { | |
fabbf219 | 1683 | if (buf[j] != (u8) (i + j)) { |
28ffd79c | 1684 | ERROR(dev, "ctrl_out, byte %d is %d not %d\n", |
fabbf219 | 1685 | j, buf[j], (u8) i + j); |
1da177e4 LT |
1686 | retval = -EBADMSG; |
1687 | break; | |
1688 | } | |
1689 | } | |
1690 | if (retval < 0) { | |
1691 | what = "verify"; | |
1692 | break; | |
1693 | } | |
1694 | ||
1695 | len += vary; | |
ff7c79e4 DB |
1696 | |
1697 | /* [real world] the "zero bytes IN" case isn't really used. | |
dc0d5c1e | 1698 | * hardware can easily trip up in this weird case, since its |
ff7c79e4 DB |
1699 | * status stage is IN, not OUT like other ep0in transfers. |
1700 | */ | |
1da177e4 | 1701 | if (len > length) |
ff7c79e4 | 1702 | len = realworld ? 1 : 0; |
1da177e4 LT |
1703 | } |
1704 | ||
1705 | if (retval < 0) | |
fabbf219 | 1706 | ERROR(dev, "ctrl_out %s failed, code %d, count %d\n", |
1da177e4 LT |
1707 | what, retval, i); |
1708 | ||
084fb206 | 1709 | kfree(buf - offset); |
1da177e4 LT |
1710 | return retval; |
1711 | } | |
1712 | ||
1713 | /*-------------------------------------------------------------------------*/ | |
1714 | ||
1715 | /* ISO tests ... mimics common usage | |
1716 | * - buffer length is split into N packets (mostly maxpacket sized) | |
1717 | * - multi-buffers according to sglen | |
1718 | */ | |
1719 | ||
1720 | struct iso_context { | |
1721 | unsigned count; | |
1722 | unsigned pending; | |
1723 | spinlock_t lock; | |
1724 | struct completion done; | |
9da2150f | 1725 | int submit_error; |
1da177e4 | 1726 | unsigned long errors; |
9da2150f | 1727 | unsigned long packet_count; |
1da177e4 LT |
1728 | struct usbtest_dev *dev; |
1729 | }; | |
1730 | ||
fabbf219 | 1731 | static void iso_callback(struct urb *urb) |
1da177e4 LT |
1732 | { |
1733 | struct iso_context *ctx = urb->context; | |
1734 | ||
1735 | spin_lock(&ctx->lock); | |
1736 | ctx->count--; | |
1737 | ||
9da2150f | 1738 | ctx->packet_count += urb->number_of_packets; |
1da177e4 LT |
1739 | if (urb->error_count > 0) |
1740 | ctx->errors += urb->error_count; | |
9da2150f AS |
1741 | else if (urb->status != 0) |
1742 | ctx->errors += urb->number_of_packets; | |
40aed524 MF |
1743 | else if (urb->actual_length != urb->transfer_buffer_length) |
1744 | ctx->errors++; | |
084fb206 MF |
1745 | else if (check_guard_bytes(ctx->dev, urb) != 0) |
1746 | ctx->errors++; | |
1da177e4 | 1747 | |
9da2150f AS |
1748 | if (urb->status == 0 && ctx->count > (ctx->pending - 1) |
1749 | && !ctx->submit_error) { | |
fabbf219 | 1750 | int status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1751 | switch (status) { |
1752 | case 0: | |
1753 | goto done; | |
1754 | default: | |
28ffd79c | 1755 | dev_err(&ctx->dev->intf->dev, |
1da177e4 LT |
1756 | "iso resubmit err %d\n", |
1757 | status); | |
1758 | /* FALLTHROUGH */ | |
1759 | case -ENODEV: /* disconnected */ | |
9da2150f AS |
1760 | case -ESHUTDOWN: /* endpoint disabled */ |
1761 | ctx->submit_error = 1; | |
1da177e4 LT |
1762 | break; |
1763 | } | |
1764 | } | |
1da177e4 LT |
1765 | |
1766 | ctx->pending--; | |
1767 | if (ctx->pending == 0) { | |
1768 | if (ctx->errors) | |
28ffd79c | 1769 | dev_err(&ctx->dev->intf->dev, |
9da2150f AS |
1770 | "iso test, %lu errors out of %lu\n", |
1771 | ctx->errors, ctx->packet_count); | |
fabbf219 | 1772 | complete(&ctx->done); |
1da177e4 LT |
1773 | } |
1774 | done: | |
1775 | spin_unlock(&ctx->lock); | |
1776 | } | |
1777 | ||
fabbf219 | 1778 | static struct urb *iso_alloc_urb( |
1da177e4 LT |
1779 | struct usb_device *udev, |
1780 | int pipe, | |
1781 | struct usb_endpoint_descriptor *desc, | |
084fb206 MF |
1782 | long bytes, |
1783 | unsigned offset | |
1da177e4 LT |
1784 | ) |
1785 | { | |
1786 | struct urb *urb; | |
1787 | unsigned i, maxp, packets; | |
1788 | ||
1789 | if (bytes < 0 || !desc) | |
1790 | return NULL; | |
29cc8897 KM |
1791 | maxp = 0x7ff & usb_endpoint_maxp(desc); |
1792 | maxp *= 1 + (0x3 & (usb_endpoint_maxp(desc) >> 11)); | |
dfa5ec79 | 1793 | packets = DIV_ROUND_UP(bytes, maxp); |
1da177e4 | 1794 | |
fabbf219 | 1795 | urb = usb_alloc_urb(packets, GFP_KERNEL); |
1da177e4 LT |
1796 | if (!urb) |
1797 | return urb; | |
1798 | urb->dev = udev; | |
1799 | urb->pipe = pipe; | |
1800 | ||
1801 | urb->number_of_packets = packets; | |
1802 | urb->transfer_buffer_length = bytes; | |
084fb206 MF |
1803 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, |
1804 | GFP_KERNEL, | |
1805 | &urb->transfer_dma); | |
1da177e4 | 1806 | if (!urb->transfer_buffer) { |
fabbf219 | 1807 | usb_free_urb(urb); |
1da177e4 LT |
1808 | return NULL; |
1809 | } | |
084fb206 MF |
1810 | if (offset) { |
1811 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
1812 | urb->transfer_buffer += offset; | |
1813 | urb->transfer_dma += offset; | |
1814 | } | |
1815 | /* For inbound transfers use guard byte so that test fails if | |
1816 | data not correctly copied */ | |
1817 | memset(urb->transfer_buffer, | |
1818 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
1819 | bytes); | |
1820 | ||
1da177e4 LT |
1821 | for (i = 0; i < packets; i++) { |
1822 | /* here, only the last packet will be short */ | |
fabbf219 | 1823 | urb->iso_frame_desc[i].length = min((unsigned) bytes, maxp); |
1da177e4 LT |
1824 | bytes -= urb->iso_frame_desc[i].length; |
1825 | ||
1826 | urb->iso_frame_desc[i].offset = maxp * i; | |
1827 | } | |
1828 | ||
1829 | urb->complete = iso_callback; | |
fabbf219 | 1830 | /* urb->context = SET BY CALLER */ |
1da177e4 LT |
1831 | urb->interval = 1 << (desc->bInterval - 1); |
1832 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; | |
1833 | return urb; | |
1834 | } | |
1835 | ||
1836 | static int | |
fabbf219 | 1837 | test_iso_queue(struct usbtest_dev *dev, struct usbtest_param *param, |
084fb206 | 1838 | int pipe, struct usb_endpoint_descriptor *desc, unsigned offset) |
1da177e4 LT |
1839 | { |
1840 | struct iso_context context; | |
1841 | struct usb_device *udev; | |
1842 | unsigned i; | |
1843 | unsigned long packets = 0; | |
9da2150f | 1844 | int status = 0; |
1da177e4 LT |
1845 | struct urb *urbs[10]; /* FIXME no limit */ |
1846 | ||
1847 | if (param->sglen > 10) | |
1848 | return -EDOM; | |
1849 | ||
f55055b4 | 1850 | memset(&context, 0, sizeof(context)); |
1da177e4 | 1851 | context.count = param->iterations * param->sglen; |
1da177e4 | 1852 | context.dev = dev; |
fabbf219 MF |
1853 | init_completion(&context.done); |
1854 | spin_lock_init(&context.lock); | |
1da177e4 | 1855 | |
f55055b4 | 1856 | memset(urbs, 0, sizeof(urbs)); |
fabbf219 | 1857 | udev = testdev_to_usbdev(dev); |
28ffd79c | 1858 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1859 | "... iso period %d %sframes, wMaxPacket %04x\n", |
1860 | 1 << (desc->bInterval - 1), | |
1861 | (udev->speed == USB_SPEED_HIGH) ? "micro" : "", | |
29cc8897 | 1862 | usb_endpoint_maxp(desc)); |
1da177e4 LT |
1863 | |
1864 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1865 | urbs[i] = iso_alloc_urb(udev, pipe, desc, |
084fb206 | 1866 | param->length, offset); |
fabbf219 | 1867 | if (!urbs[i]) { |
1da177e4 LT |
1868 | status = -ENOMEM; |
1869 | goto fail; | |
1870 | } | |
1871 | packets += urbs[i]->number_of_packets; | |
fabbf219 | 1872 | urbs[i]->context = &context; |
1da177e4 LT |
1873 | } |
1874 | packets *= param->iterations; | |
28ffd79c | 1875 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1876 | "... total %lu msec (%lu packets)\n", |
1877 | (packets * (1 << (desc->bInterval - 1))) | |
1878 | / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), | |
1879 | packets); | |
1880 | ||
fabbf219 | 1881 | spin_lock_irq(&context.lock); |
1da177e4 | 1882 | for (i = 0; i < param->sglen; i++) { |
9da2150f | 1883 | ++context.pending; |
fabbf219 | 1884 | status = usb_submit_urb(urbs[i], GFP_ATOMIC); |
1da177e4 | 1885 | if (status < 0) { |
fabbf219 | 1886 | ERROR(dev, "submit iso[%d], error %d\n", i, status); |
1da177e4 | 1887 | if (i == 0) { |
fabbf219 | 1888 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1889 | goto fail; |
1890 | } | |
1891 | ||
fabbf219 | 1892 | simple_free_urb(urbs[i]); |
e10e1bec | 1893 | urbs[i] = NULL; |
1da177e4 | 1894 | context.pending--; |
9da2150f AS |
1895 | context.submit_error = 1; |
1896 | break; | |
1da177e4 LT |
1897 | } |
1898 | } | |
fabbf219 | 1899 | spin_unlock_irq(&context.lock); |
1da177e4 | 1900 | |
fabbf219 | 1901 | wait_for_completion(&context.done); |
9da2150f | 1902 | |
e10e1bec ML |
1903 | for (i = 0; i < param->sglen; i++) { |
1904 | if (urbs[i]) | |
1905 | simple_free_urb(urbs[i]); | |
1906 | } | |
9da2150f AS |
1907 | /* |
1908 | * Isochronous transfers are expected to fail sometimes. As an | |
1909 | * arbitrary limit, we will report an error if any submissions | |
1910 | * fail or if the transfer failure rate is > 10%. | |
1911 | */ | |
1912 | if (status != 0) | |
1913 | ; | |
1914 | else if (context.submit_error) | |
1915 | status = -EACCES; | |
1916 | else if (context.errors > context.packet_count / 10) | |
1917 | status = -EIO; | |
1918 | return status; | |
1da177e4 LT |
1919 | |
1920 | fail: | |
1921 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 MF |
1922 | if (urbs[i]) |
1923 | simple_free_urb(urbs[i]); | |
1da177e4 LT |
1924 | } |
1925 | return status; | |
1926 | } | |
1927 | ||
084fb206 MF |
1928 | static int test_unaligned_bulk( |
1929 | struct usbtest_dev *tdev, | |
1930 | int pipe, | |
1931 | unsigned length, | |
1932 | int iterations, | |
1933 | unsigned transfer_flags, | |
1934 | const char *label) | |
1935 | { | |
1936 | int retval; | |
1937 | struct urb *urb = usbtest_alloc_urb( | |
1938 | testdev_to_usbdev(tdev), pipe, length, transfer_flags, 1); | |
1939 | ||
1940 | if (!urb) | |
1941 | return -ENOMEM; | |
1942 | ||
1943 | retval = simple_io(tdev, urb, iterations, 0, 0, label); | |
1944 | simple_free_urb(urb); | |
1945 | return retval; | |
1946 | } | |
1947 | ||
1da177e4 LT |
1948 | /*-------------------------------------------------------------------------*/ |
1949 | ||
1950 | /* We only have this one interface to user space, through usbfs. | |
1951 | * User mode code can scan usbfs to find N different devices (maybe on | |
1952 | * different busses) to use when testing, and allocate one thread per | |
1953 | * test. So discovery is simplified, and we have no device naming issues. | |
1954 | * | |
1955 | * Don't use these only as stress/load tests. Use them along with with | |
1956 | * other USB bus activity: plugging, unplugging, mousing, mp3 playback, | |
1957 | * video capture, and so on. Run different tests at different times, in | |
1958 | * different sequences. Nothing here should interact with other devices, | |
1959 | * except indirectly by consuming USB bandwidth and CPU resources for test | |
1960 | * threads and request completion. But the only way to know that for sure | |
1961 | * is to test when HC queues are in use by many devices. | |
28ffd79c DB |
1962 | * |
1963 | * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(), | |
1964 | * it locks out usbcore in certain code paths. Notably, if you disconnect | |
1965 | * the device-under-test, khubd will wait block forever waiting for the | |
1966 | * ioctl to complete ... so that usb_disconnect() can abort the pending | |
1967 | * urbs and then call usbtest_disconnect(). To abort a test, you're best | |
1968 | * off just killing the userspace task and waiting for it to exit. | |
1da177e4 LT |
1969 | */ |
1970 | ||
1971 | static int | |
fabbf219 | 1972 | usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) |
1da177e4 | 1973 | { |
fabbf219 MF |
1974 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1975 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1da177e4 LT |
1976 | struct usbtest_param *param = buf; |
1977 | int retval = -EOPNOTSUPP; | |
1978 | struct urb *urb; | |
1979 | struct scatterlist *sg; | |
1980 | struct usb_sg_request req; | |
1981 | struct timeval start; | |
1982 | unsigned i; | |
1983 | ||
fabbf219 | 1984 | /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */ |
1da177e4 | 1985 | |
7f4e9854 VP |
1986 | pattern = mod_pattern; |
1987 | ||
1da177e4 LT |
1988 | if (code != USBTEST_REQUEST) |
1989 | return -EOPNOTSUPP; | |
1990 | ||
8aafdf6a | 1991 | if (param->iterations <= 0) |
1da177e4 LT |
1992 | return -EINVAL; |
1993 | ||
1cfab028 | 1994 | if (mutex_lock_interruptible(&dev->lock)) |
1da177e4 LT |
1995 | return -ERESTARTSYS; |
1996 | ||
70a1c9e0 | 1997 | /* FIXME: What if a system sleep starts while a test is running? */ |
ff7c79e4 | 1998 | |
1da177e4 LT |
1999 | /* some devices, like ez-usb default devices, need a non-default |
2000 | * altsetting to have any active endpoints. some tests change | |
2001 | * altsettings; force a default so most tests don't need to check. | |
2002 | */ | |
2003 | if (dev->info->alt >= 0) { | |
28ffd79c | 2004 | int res; |
1da177e4 LT |
2005 | |
2006 | if (intf->altsetting->desc.bInterfaceNumber) { | |
1cfab028 | 2007 | mutex_unlock(&dev->lock); |
1da177e4 LT |
2008 | return -ENODEV; |
2009 | } | |
fabbf219 | 2010 | res = set_altsetting(dev, dev->info->alt); |
1da177e4 | 2011 | if (res) { |
fabbf219 | 2012 | dev_err(&intf->dev, |
1da177e4 LT |
2013 | "set altsetting to %d failed, %d\n", |
2014 | dev->info->alt, res); | |
1cfab028 | 2015 | mutex_unlock(&dev->lock); |
1da177e4 LT |
2016 | return res; |
2017 | } | |
2018 | } | |
2019 | ||
2020 | /* | |
2021 | * Just a bunch of test cases that every HCD is expected to handle. | |
2022 | * | |
2023 | * Some may need specific firmware, though it'd be good to have | |
2024 | * one firmware image to handle all the test cases. | |
2025 | * | |
2026 | * FIXME add more tests! cancel requests, verify the data, control | |
2027 | * queueing, concurrent read+write threads, and so on. | |
2028 | */ | |
fabbf219 | 2029 | do_gettimeofday(&start); |
1da177e4 LT |
2030 | switch (param->test_num) { |
2031 | ||
2032 | case 0: | |
28ffd79c | 2033 | dev_info(&intf->dev, "TEST 0: NOP\n"); |
1da177e4 LT |
2034 | retval = 0; |
2035 | break; | |
2036 | ||
2037 | /* Simple non-queued bulk I/O tests */ | |
2038 | case 1: | |
2039 | if (dev->out_pipe == 0) | |
2040 | break; | |
28ffd79c | 2041 | dev_info(&intf->dev, |
1da177e4 LT |
2042 | "TEST 1: write %d bytes %u times\n", |
2043 | param->length, param->iterations); | |
fabbf219 | 2044 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
2045 | if (!urb) { |
2046 | retval = -ENOMEM; | |
2047 | break; | |
2048 | } | |
fabbf219 | 2049 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 2050 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test1"); |
fabbf219 | 2051 | simple_free_urb(urb); |
1da177e4 LT |
2052 | break; |
2053 | case 2: | |
2054 | if (dev->in_pipe == 0) | |
2055 | break; | |
28ffd79c | 2056 | dev_info(&intf->dev, |
1da177e4 LT |
2057 | "TEST 2: read %d bytes %u times\n", |
2058 | param->length, param->iterations); | |
fabbf219 | 2059 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
2060 | if (!urb) { |
2061 | retval = -ENOMEM; | |
2062 | break; | |
2063 | } | |
fabbf219 | 2064 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2065 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test2"); |
fabbf219 | 2066 | simple_free_urb(urb); |
1da177e4 LT |
2067 | break; |
2068 | case 3: | |
2069 | if (dev->out_pipe == 0 || param->vary == 0) | |
2070 | break; | |
28ffd79c | 2071 | dev_info(&intf->dev, |
1da177e4 LT |
2072 | "TEST 3: write/%d 0..%d bytes %u times\n", |
2073 | param->vary, param->length, param->iterations); | |
fabbf219 | 2074 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
2075 | if (!urb) { |
2076 | retval = -ENOMEM; | |
2077 | break; | |
2078 | } | |
fabbf219 | 2079 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 2080 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 2081 | 0, "test3"); |
fabbf219 | 2082 | simple_free_urb(urb); |
1da177e4 LT |
2083 | break; |
2084 | case 4: | |
2085 | if (dev->in_pipe == 0 || param->vary == 0) | |
2086 | break; | |
28ffd79c | 2087 | dev_info(&intf->dev, |
1da177e4 LT |
2088 | "TEST 4: read/%d 0..%d bytes %u times\n", |
2089 | param->vary, param->length, param->iterations); | |
fabbf219 | 2090 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
2091 | if (!urb) { |
2092 | retval = -ENOMEM; | |
2093 | break; | |
2094 | } | |
fabbf219 | 2095 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2096 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 2097 | 0, "test4"); |
fabbf219 | 2098 | simple_free_urb(urb); |
1da177e4 LT |
2099 | break; |
2100 | ||
2101 | /* Queued bulk I/O tests */ | |
2102 | case 5: | |
2103 | if (dev->out_pipe == 0 || param->sglen == 0) | |
2104 | break; | |
28ffd79c | 2105 | dev_info(&intf->dev, |
1da177e4 LT |
2106 | "TEST 5: write %d sglists %d entries of %d bytes\n", |
2107 | param->iterations, | |
2108 | param->sglen, param->length); | |
fabbf219 | 2109 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
2110 | if (!sg) { |
2111 | retval = -ENOMEM; | |
2112 | break; | |
2113 | } | |
fabbf219 | 2114 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 2115 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 2116 | &req, sg, param->sglen); |
fabbf219 | 2117 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2118 | break; |
2119 | ||
2120 | case 6: | |
2121 | if (dev->in_pipe == 0 || param->sglen == 0) | |
2122 | break; | |
28ffd79c | 2123 | dev_info(&intf->dev, |
1da177e4 LT |
2124 | "TEST 6: read %d sglists %d entries of %d bytes\n", |
2125 | param->iterations, | |
2126 | param->sglen, param->length); | |
fabbf219 | 2127 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
2128 | if (!sg) { |
2129 | retval = -ENOMEM; | |
2130 | break; | |
2131 | } | |
fabbf219 | 2132 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2133 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 2134 | &req, sg, param->sglen); |
fabbf219 | 2135 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2136 | break; |
2137 | case 7: | |
2138 | if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
2139 | break; | |
28ffd79c | 2140 | dev_info(&intf->dev, |
1da177e4 LT |
2141 | "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", |
2142 | param->vary, param->iterations, | |
2143 | param->sglen, param->length); | |
fabbf219 | 2144 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
2145 | if (!sg) { |
2146 | retval = -ENOMEM; | |
2147 | break; | |
2148 | } | |
fabbf219 | 2149 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 2150 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 2151 | &req, sg, param->sglen); |
fabbf219 | 2152 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2153 | break; |
2154 | case 8: | |
2155 | if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
2156 | break; | |
28ffd79c | 2157 | dev_info(&intf->dev, |
1da177e4 LT |
2158 | "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", |
2159 | param->vary, param->iterations, | |
2160 | param->sglen, param->length); | |
fabbf219 | 2161 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
2162 | if (!sg) { |
2163 | retval = -ENOMEM; | |
2164 | break; | |
2165 | } | |
fabbf219 | 2166 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2167 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 2168 | &req, sg, param->sglen); |
fabbf219 | 2169 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2170 | break; |
2171 | ||
2172 | /* non-queued sanity tests for control (chapter 9 subset) */ | |
2173 | case 9: | |
2174 | retval = 0; | |
28ffd79c | 2175 | dev_info(&intf->dev, |
1da177e4 LT |
2176 | "TEST 9: ch9 (subset) control tests, %d times\n", |
2177 | param->iterations); | |
2178 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2179 | retval = ch9_postconfig(dev); |
1da177e4 | 2180 | if (retval) |
28ffd79c DB |
2181 | dev_err(&intf->dev, "ch9 subset failed, " |
2182 | "iterations left %d\n", i); | |
1da177e4 LT |
2183 | break; |
2184 | ||
2185 | /* queued control messaging */ | |
2186 | case 10: | |
1da177e4 | 2187 | retval = 0; |
28ffd79c | 2188 | dev_info(&intf->dev, |
1da177e4 LT |
2189 | "TEST 10: queue %d control calls, %d times\n", |
2190 | param->sglen, | |
2191 | param->iterations); | |
fabbf219 | 2192 | retval = test_ctrl_queue(dev, param); |
1da177e4 LT |
2193 | break; |
2194 | ||
2195 | /* simple non-queued unlinks (ring with one urb) */ | |
2196 | case 11: | |
2197 | if (dev->in_pipe == 0 || !param->length) | |
2198 | break; | |
2199 | retval = 0; | |
28ffd79c | 2200 | dev_info(&intf->dev, "TEST 11: unlink %d reads of %d\n", |
1da177e4 LT |
2201 | param->iterations, param->length); |
2202 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2203 | retval = unlink_simple(dev, dev->in_pipe, |
1da177e4 LT |
2204 | param->length); |
2205 | if (retval) | |
28ffd79c | 2206 | dev_err(&intf->dev, "unlink reads failed %d, " |
1da177e4 LT |
2207 | "iterations left %d\n", retval, i); |
2208 | break; | |
2209 | case 12: | |
2210 | if (dev->out_pipe == 0 || !param->length) | |
2211 | break; | |
2212 | retval = 0; | |
28ffd79c | 2213 | dev_info(&intf->dev, "TEST 12: unlink %d writes of %d\n", |
1da177e4 LT |
2214 | param->iterations, param->length); |
2215 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2216 | retval = unlink_simple(dev, dev->out_pipe, |
1da177e4 LT |
2217 | param->length); |
2218 | if (retval) | |
28ffd79c | 2219 | dev_err(&intf->dev, "unlink writes failed %d, " |
1da177e4 LT |
2220 | "iterations left %d\n", retval, i); |
2221 | break; | |
2222 | ||
2223 | /* ep halt tests */ | |
2224 | case 13: | |
2225 | if (dev->out_pipe == 0 && dev->in_pipe == 0) | |
2226 | break; | |
2227 | retval = 0; | |
28ffd79c | 2228 | dev_info(&intf->dev, "TEST 13: set/clear %d halts\n", |
1da177e4 LT |
2229 | param->iterations); |
2230 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2231 | retval = halt_simple(dev); |
28ffd79c | 2232 | |
1da177e4 | 2233 | if (retval) |
28ffd79c | 2234 | ERROR(dev, "halts failed, iterations left %d\n", i); |
1da177e4 LT |
2235 | break; |
2236 | ||
2237 | /* control write tests */ | |
2238 | case 14: | |
2239 | if (!dev->info->ctrl_out) | |
2240 | break; | |
28ffd79c | 2241 | dev_info(&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", |
ff7c79e4 DB |
2242 | param->iterations, |
2243 | realworld ? 1 : 0, param->length, | |
2244 | param->vary); | |
28ffd79c | 2245 | retval = ctrl_out(dev, param->iterations, |
084fb206 | 2246 | param->length, param->vary, 0); |
1da177e4 LT |
2247 | break; |
2248 | ||
2249 | /* iso write tests */ | |
2250 | case 15: | |
2251 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2252 | break; | |
28ffd79c | 2253 | dev_info(&intf->dev, |
1da177e4 LT |
2254 | "TEST 15: write %d iso, %d entries of %d bytes\n", |
2255 | param->iterations, | |
2256 | param->sglen, param->length); | |
fabbf219 MF |
2257 | /* FIRMWARE: iso sink */ |
2258 | retval = test_iso_queue(dev, param, | |
084fb206 | 2259 | dev->out_iso_pipe, dev->iso_out, 0); |
1da177e4 LT |
2260 | break; |
2261 | ||
2262 | /* iso read tests */ | |
2263 | case 16: | |
2264 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2265 | break; | |
28ffd79c | 2266 | dev_info(&intf->dev, |
1da177e4 LT |
2267 | "TEST 16: read %d iso, %d entries of %d bytes\n", |
2268 | param->iterations, | |
2269 | param->sglen, param->length); | |
fabbf219 MF |
2270 | /* FIRMWARE: iso source */ |
2271 | retval = test_iso_queue(dev, param, | |
084fb206 | 2272 | dev->in_iso_pipe, dev->iso_in, 0); |
1da177e4 LT |
2273 | break; |
2274 | ||
fabbf219 | 2275 | /* FIXME scatterlist cancel (needs helper thread) */ |
1da177e4 | 2276 | |
084fb206 MF |
2277 | /* Tests for bulk I/O using DMA mapping by core and odd address */ |
2278 | case 17: | |
2279 | if (dev->out_pipe == 0) | |
2280 | break; | |
2281 | dev_info(&intf->dev, | |
2282 | "TEST 17: write odd addr %d bytes %u times core map\n", | |
2283 | param->length, param->iterations); | |
2284 | ||
2285 | retval = test_unaligned_bulk( | |
2286 | dev, dev->out_pipe, | |
2287 | param->length, param->iterations, | |
2288 | 0, "test17"); | |
2289 | break; | |
2290 | ||
2291 | case 18: | |
2292 | if (dev->in_pipe == 0) | |
2293 | break; | |
2294 | dev_info(&intf->dev, | |
2295 | "TEST 18: read odd addr %d bytes %u times core map\n", | |
2296 | param->length, param->iterations); | |
2297 | ||
2298 | retval = test_unaligned_bulk( | |
2299 | dev, dev->in_pipe, | |
2300 | param->length, param->iterations, | |
2301 | 0, "test18"); | |
2302 | break; | |
2303 | ||
2304 | /* Tests for bulk I/O using premapped coherent buffer and odd address */ | |
2305 | case 19: | |
2306 | if (dev->out_pipe == 0) | |
2307 | break; | |
2308 | dev_info(&intf->dev, | |
2309 | "TEST 19: write odd addr %d bytes %u times premapped\n", | |
2310 | param->length, param->iterations); | |
2311 | ||
2312 | retval = test_unaligned_bulk( | |
2313 | dev, dev->out_pipe, | |
2314 | param->length, param->iterations, | |
2315 | URB_NO_TRANSFER_DMA_MAP, "test19"); | |
2316 | break; | |
2317 | ||
2318 | case 20: | |
2319 | if (dev->in_pipe == 0) | |
2320 | break; | |
2321 | dev_info(&intf->dev, | |
2322 | "TEST 20: read odd addr %d bytes %u times premapped\n", | |
2323 | param->length, param->iterations); | |
2324 | ||
2325 | retval = test_unaligned_bulk( | |
2326 | dev, dev->in_pipe, | |
2327 | param->length, param->iterations, | |
2328 | URB_NO_TRANSFER_DMA_MAP, "test20"); | |
2329 | break; | |
2330 | ||
2331 | /* control write tests with unaligned buffer */ | |
2332 | case 21: | |
2333 | if (!dev->info->ctrl_out) | |
2334 | break; | |
2335 | dev_info(&intf->dev, | |
2336 | "TEST 21: %d ep0out odd addr, %d..%d vary %d\n", | |
2337 | param->iterations, | |
2338 | realworld ? 1 : 0, param->length, | |
2339 | param->vary); | |
2340 | retval = ctrl_out(dev, param->iterations, | |
2341 | param->length, param->vary, 1); | |
2342 | break; | |
2343 | ||
2344 | /* unaligned iso tests */ | |
2345 | case 22: | |
2346 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2347 | break; | |
2348 | dev_info(&intf->dev, | |
2349 | "TEST 22: write %d iso odd, %d entries of %d bytes\n", | |
2350 | param->iterations, | |
2351 | param->sglen, param->length); | |
2352 | retval = test_iso_queue(dev, param, | |
2353 | dev->out_iso_pipe, dev->iso_out, 1); | |
2354 | break; | |
2355 | ||
2356 | case 23: | |
2357 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2358 | break; | |
2359 | dev_info(&intf->dev, | |
2360 | "TEST 23: read %d iso odd, %d entries of %d bytes\n", | |
2361 | param->iterations, | |
2362 | param->sglen, param->length); | |
2363 | retval = test_iso_queue(dev, param, | |
2364 | dev->in_iso_pipe, dev->iso_in, 1); | |
2365 | break; | |
2366 | ||
869410f8 AS |
2367 | /* unlink URBs from a bulk-OUT queue */ |
2368 | case 24: | |
2369 | if (dev->out_pipe == 0 || !param->length || param->sglen < 4) | |
2370 | break; | |
2371 | retval = 0; | |
2cb50000 | 2372 | dev_info(&intf->dev, "TEST 24: unlink from %d queues of " |
869410f8 AS |
2373 | "%d %d-byte writes\n", |
2374 | param->iterations, param->sglen, param->length); | |
2375 | for (i = param->iterations; retval == 0 && i > 0; --i) { | |
2376 | retval = unlink_queued(dev, dev->out_pipe, | |
2377 | param->sglen, param->length); | |
2378 | if (retval) { | |
2379 | dev_err(&intf->dev, | |
2380 | "unlink queued writes failed %d, " | |
2381 | "iterations left %d\n", retval, i); | |
2382 | break; | |
2383 | } | |
2384 | } | |
2385 | break; | |
2386 | ||
1da177e4 | 2387 | } |
fabbf219 | 2388 | do_gettimeofday(¶m->duration); |
1da177e4 LT |
2389 | param->duration.tv_sec -= start.tv_sec; |
2390 | param->duration.tv_usec -= start.tv_usec; | |
2391 | if (param->duration.tv_usec < 0) { | |
2392 | param->duration.tv_usec += 1000 * 1000; | |
2393 | param->duration.tv_sec -= 1; | |
2394 | } | |
1cfab028 | 2395 | mutex_unlock(&dev->lock); |
1da177e4 LT |
2396 | return retval; |
2397 | } | |
2398 | ||
2399 | /*-------------------------------------------------------------------------*/ | |
2400 | ||
fabbf219 MF |
2401 | static unsigned force_interrupt; |
2402 | module_param(force_interrupt, uint, 0); | |
2403 | MODULE_PARM_DESC(force_interrupt, "0 = test default; else interrupt"); | |
1da177e4 LT |
2404 | |
2405 | #ifdef GENERIC | |
2406 | static unsigned short vendor; | |
2407 | module_param(vendor, ushort, 0); | |
fabbf219 | 2408 | MODULE_PARM_DESC(vendor, "vendor code (from usb-if)"); |
1da177e4 LT |
2409 | |
2410 | static unsigned short product; | |
2411 | module_param(product, ushort, 0); | |
fabbf219 | 2412 | MODULE_PARM_DESC(product, "product code (from vendor)"); |
1da177e4 LT |
2413 | #endif |
2414 | ||
2415 | static int | |
fabbf219 | 2416 | usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id) |
1da177e4 LT |
2417 | { |
2418 | struct usb_device *udev; | |
2419 | struct usbtest_dev *dev; | |
2420 | struct usbtest_info *info; | |
2421 | char *rtest, *wtest; | |
2422 | char *irtest, *iwtest; | |
2423 | ||
fabbf219 | 2424 | udev = interface_to_usbdev(intf); |
1da177e4 LT |
2425 | |
2426 | #ifdef GENERIC | |
2427 | /* specify devices by module parameters? */ | |
2428 | if (id->match_flags == 0) { | |
2429 | /* vendor match required, product match optional */ | |
2430 | if (!vendor || le16_to_cpu(udev->descriptor.idVendor) != (u16)vendor) | |
2431 | return -ENODEV; | |
2432 | if (product && le16_to_cpu(udev->descriptor.idProduct) != (u16)product) | |
2433 | return -ENODEV; | |
28ffd79c DB |
2434 | dev_info(&intf->dev, "matched module params, " |
2435 | "vend=0x%04x prod=0x%04x\n", | |
1da177e4 LT |
2436 | le16_to_cpu(udev->descriptor.idVendor), |
2437 | le16_to_cpu(udev->descriptor.idProduct)); | |
2438 | } | |
2439 | #endif | |
2440 | ||
e94b1766 | 2441 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
1da177e4 LT |
2442 | if (!dev) |
2443 | return -ENOMEM; | |
1da177e4 LT |
2444 | info = (struct usbtest_info *) id->driver_info; |
2445 | dev->info = info; | |
1cfab028 | 2446 | mutex_init(&dev->lock); |
1da177e4 LT |
2447 | |
2448 | dev->intf = intf; | |
2449 | ||
2450 | /* cacheline-aligned scratch for i/o */ | |
fabbf219 MF |
2451 | dev->buf = kmalloc(TBUF_SIZE, GFP_KERNEL); |
2452 | if (dev->buf == NULL) { | |
2453 | kfree(dev); | |
1da177e4 LT |
2454 | return -ENOMEM; |
2455 | } | |
2456 | ||
2457 | /* NOTE this doesn't yet test the handful of difference that are | |
2458 | * visible with high speed interrupts: bigger maxpacket (1K) and | |
2459 | * "high bandwidth" modes (up to 3 packets/uframe). | |
2460 | */ | |
2461 | rtest = wtest = ""; | |
2462 | irtest = iwtest = ""; | |
2463 | if (force_interrupt || udev->speed == USB_SPEED_LOW) { | |
2464 | if (info->ep_in) { | |
fabbf219 | 2465 | dev->in_pipe = usb_rcvintpipe(udev, info->ep_in); |
1da177e4 LT |
2466 | rtest = " intr-in"; |
2467 | } | |
2468 | if (info->ep_out) { | |
fabbf219 | 2469 | dev->out_pipe = usb_sndintpipe(udev, info->ep_out); |
1da177e4 LT |
2470 | wtest = " intr-out"; |
2471 | } | |
2472 | } else { | |
d0b4652f | 2473 | if (override_alt >= 0 || info->autoconf) { |
1da177e4 LT |
2474 | int status; |
2475 | ||
fabbf219 | 2476 | status = get_endpoints(dev, intf); |
1da177e4 | 2477 | if (status < 0) { |
b6c63937 | 2478 | WARNING(dev, "couldn't get endpoints, %d\n", |
28ffd79c | 2479 | status); |
f4a728d0 JL |
2480 | kfree(dev->buf); |
2481 | kfree(dev); | |
1da177e4 LT |
2482 | return status; |
2483 | } | |
2484 | /* may find bulk or ISO pipes */ | |
2485 | } else { | |
2486 | if (info->ep_in) | |
fabbf219 | 2487 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 LT |
2488 | info->ep_in); |
2489 | if (info->ep_out) | |
fabbf219 | 2490 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
2491 | info->ep_out); |
2492 | } | |
2493 | if (dev->in_pipe) | |
2494 | rtest = " bulk-in"; | |
2495 | if (dev->out_pipe) | |
2496 | wtest = " bulk-out"; | |
2497 | if (dev->in_iso_pipe) | |
2498 | irtest = " iso-in"; | |
2499 | if (dev->out_iso_pipe) | |
2500 | iwtest = " iso-out"; | |
2501 | } | |
2502 | ||
fabbf219 MF |
2503 | usb_set_intfdata(intf, dev); |
2504 | dev_info(&intf->dev, "%s\n", info->name); | |
e538dfda MN |
2505 | dev_info(&intf->dev, "%s {control%s%s%s%s%s} tests%s\n", |
2506 | usb_speed_string(udev->speed), | |
1da177e4 LT |
2507 | info->ctrl_out ? " in/out" : "", |
2508 | rtest, wtest, | |
2509 | irtest, iwtest, | |
2510 | info->alt >= 0 ? " (+alt)" : ""); | |
2511 | return 0; | |
2512 | } | |
2513 | ||
fabbf219 | 2514 | static int usbtest_suspend(struct usb_interface *intf, pm_message_t message) |
ff7c79e4 | 2515 | { |
ff7c79e4 DB |
2516 | return 0; |
2517 | } | |
2518 | ||
fabbf219 | 2519 | static int usbtest_resume(struct usb_interface *intf) |
ff7c79e4 | 2520 | { |
ff7c79e4 DB |
2521 | return 0; |
2522 | } | |
2523 | ||
2524 | ||
fabbf219 | 2525 | static void usbtest_disconnect(struct usb_interface *intf) |
1da177e4 | 2526 | { |
fabbf219 | 2527 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1da177e4 | 2528 | |
fabbf219 MF |
2529 | usb_set_intfdata(intf, NULL); |
2530 | dev_dbg(&intf->dev, "disconnect\n"); | |
2531 | kfree(dev); | |
1da177e4 LT |
2532 | } |
2533 | ||
2534 | /* Basic testing only needs a device that can source or sink bulk traffic. | |
2535 | * Any device can test control transfers (default with GENERIC binding). | |
2536 | * | |
2537 | * Several entries work with the default EP0 implementation that's built | |
2538 | * into EZ-USB chips. There's a default vendor ID which can be overridden | |
2539 | * by (very) small config EEPROMS, but otherwise all these devices act | |
2540 | * identically until firmware is loaded: only EP0 works. It turns out | |
2541 | * to be easy to make other endpoints work, without modifying that EP0 | |
2542 | * behavior. For now, we expect that kind of firmware. | |
2543 | */ | |
2544 | ||
2545 | /* an21xx or fx versions of ez-usb */ | |
2546 | static struct usbtest_info ez1_info = { | |
2547 | .name = "EZ-USB device", | |
2548 | .ep_in = 2, | |
2549 | .ep_out = 2, | |
2550 | .alt = 1, | |
2551 | }; | |
2552 | ||
2553 | /* fx2 version of ez-usb */ | |
2554 | static struct usbtest_info ez2_info = { | |
2555 | .name = "FX2 device", | |
2556 | .ep_in = 6, | |
2557 | .ep_out = 2, | |
2558 | .alt = 1, | |
2559 | }; | |
2560 | ||
2561 | /* ezusb family device with dedicated usb test firmware, | |
2562 | */ | |
2563 | static struct usbtest_info fw_info = { | |
2564 | .name = "usb test device", | |
2565 | .ep_in = 2, | |
2566 | .ep_out = 2, | |
2567 | .alt = 1, | |
fabbf219 | 2568 | .autoconf = 1, /* iso and ctrl_out need autoconf */ |
1da177e4 | 2569 | .ctrl_out = 1, |
fabbf219 | 2570 | .iso = 1, /* iso_ep's are #8 in/out */ |
1da177e4 LT |
2571 | }; |
2572 | ||
2573 | /* peripheral running Linux and 'zero.c' test firmware, or | |
2574 | * its user-mode cousin. different versions of this use | |
2575 | * different hardware with the same vendor/product codes. | |
2576 | * host side MUST rely on the endpoint descriptors. | |
2577 | */ | |
2578 | static struct usbtest_info gz_info = { | |
2579 | .name = "Linux gadget zero", | |
2580 | .autoconf = 1, | |
2581 | .ctrl_out = 1, | |
4b85c624 | 2582 | .iso = 1, |
1da177e4 LT |
2583 | .alt = 0, |
2584 | }; | |
2585 | ||
2586 | static struct usbtest_info um_info = { | |
2587 | .name = "Linux user mode test driver", | |
2588 | .autoconf = 1, | |
2589 | .alt = -1, | |
2590 | }; | |
2591 | ||
2592 | static struct usbtest_info um2_info = { | |
2593 | .name = "Linux user mode ISO test driver", | |
2594 | .autoconf = 1, | |
2595 | .iso = 1, | |
2596 | .alt = -1, | |
2597 | }; | |
2598 | ||
2599 | #ifdef IBOT2 | |
2600 | /* this is a nice source of high speed bulk data; | |
2601 | * uses an FX2, with firmware provided in the device | |
2602 | */ | |
2603 | static struct usbtest_info ibot2_info = { | |
2604 | .name = "iBOT2 webcam", | |
2605 | .ep_in = 2, | |
2606 | .alt = -1, | |
2607 | }; | |
2608 | #endif | |
2609 | ||
2610 | #ifdef GENERIC | |
2611 | /* we can use any device to test control traffic */ | |
2612 | static struct usbtest_info generic_info = { | |
2613 | .name = "Generic USB device", | |
2614 | .alt = -1, | |
2615 | }; | |
2616 | #endif | |
2617 | ||
1da177e4 | 2618 | |
33b9e162 | 2619 | static const struct usb_device_id id_table[] = { |
1da177e4 | 2620 | |
1da177e4 LT |
2621 | /*-------------------------------------------------------------*/ |
2622 | ||
2623 | /* EZ-USB devices which download firmware to replace (or in our | |
2624 | * case augment) the default device implementation. | |
2625 | */ | |
2626 | ||
2627 | /* generic EZ-USB FX controller */ | |
fabbf219 | 2628 | { USB_DEVICE(0x0547, 0x2235), |
1da177e4 | 2629 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2630 | }, |
1da177e4 LT |
2631 | |
2632 | /* CY3671 development board with EZ-USB FX */ | |
fabbf219 | 2633 | { USB_DEVICE(0x0547, 0x0080), |
1da177e4 | 2634 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2635 | }, |
1da177e4 LT |
2636 | |
2637 | /* generic EZ-USB FX2 controller (or development board) */ | |
fabbf219 | 2638 | { USB_DEVICE(0x04b4, 0x8613), |
1da177e4 | 2639 | .driver_info = (unsigned long) &ez2_info, |
fabbf219 | 2640 | }, |
1da177e4 LT |
2641 | |
2642 | /* re-enumerated usb test device firmware */ | |
fabbf219 | 2643 | { USB_DEVICE(0xfff0, 0xfff0), |
1da177e4 | 2644 | .driver_info = (unsigned long) &fw_info, |
fabbf219 | 2645 | }, |
1da177e4 LT |
2646 | |
2647 | /* "Gadget Zero" firmware runs under Linux */ | |
fabbf219 | 2648 | { USB_DEVICE(0x0525, 0xa4a0), |
1da177e4 | 2649 | .driver_info = (unsigned long) &gz_info, |
fabbf219 | 2650 | }, |
1da177e4 LT |
2651 | |
2652 | /* so does a user-mode variant */ | |
fabbf219 | 2653 | { USB_DEVICE(0x0525, 0xa4a4), |
1da177e4 | 2654 | .driver_info = (unsigned long) &um_info, |
fabbf219 | 2655 | }, |
1da177e4 LT |
2656 | |
2657 | /* ... and a user-mode variant that talks iso */ | |
fabbf219 | 2658 | { USB_DEVICE(0x0525, 0xa4a3), |
1da177e4 | 2659 | .driver_info = (unsigned long) &um2_info, |
fabbf219 | 2660 | }, |
1da177e4 LT |
2661 | |
2662 | #ifdef KEYSPAN_19Qi | |
2663 | /* Keyspan 19qi uses an21xx (original EZ-USB) */ | |
fabbf219 MF |
2664 | /* this does not coexist with the real Keyspan 19qi driver! */ |
2665 | { USB_DEVICE(0x06cd, 0x010b), | |
1da177e4 | 2666 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2667 | }, |
1da177e4 LT |
2668 | #endif |
2669 | ||
2670 | /*-------------------------------------------------------------*/ | |
2671 | ||
2672 | #ifdef IBOT2 | |
2673 | /* iBOT2 makes a nice source of high speed bulk-in data */ | |
fabbf219 MF |
2674 | /* this does not coexist with a real iBOT2 driver! */ |
2675 | { USB_DEVICE(0x0b62, 0x0059), | |
1da177e4 | 2676 | .driver_info = (unsigned long) &ibot2_info, |
fabbf219 | 2677 | }, |
1da177e4 LT |
2678 | #endif |
2679 | ||
2680 | /*-------------------------------------------------------------*/ | |
2681 | ||
2682 | #ifdef GENERIC | |
2683 | /* module params can specify devices to use for control tests */ | |
2684 | { .driver_info = (unsigned long) &generic_info, }, | |
2685 | #endif | |
2686 | ||
2687 | /*-------------------------------------------------------------*/ | |
2688 | ||
2689 | { } | |
2690 | }; | |
fabbf219 | 2691 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
2692 | |
2693 | static struct usb_driver usbtest_driver = { | |
1da177e4 LT |
2694 | .name = "usbtest", |
2695 | .id_table = id_table, | |
2696 | .probe = usbtest_probe, | |
c532b29a | 2697 | .unlocked_ioctl = usbtest_ioctl, |
1da177e4 | 2698 | .disconnect = usbtest_disconnect, |
ff7c79e4 DB |
2699 | .suspend = usbtest_suspend, |
2700 | .resume = usbtest_resume, | |
1da177e4 LT |
2701 | }; |
2702 | ||
2703 | /*-------------------------------------------------------------------------*/ | |
2704 | ||
fabbf219 | 2705 | static int __init usbtest_init(void) |
1da177e4 LT |
2706 | { |
2707 | #ifdef GENERIC | |
2708 | if (vendor) | |
28ffd79c | 2709 | pr_debug("params: vend=0x%04x prod=0x%04x\n", vendor, product); |
1da177e4 | 2710 | #endif |
fabbf219 | 2711 | return usb_register(&usbtest_driver); |
1da177e4 | 2712 | } |
fabbf219 | 2713 | module_init(usbtest_init); |
1da177e4 | 2714 | |
fabbf219 | 2715 | static void __exit usbtest_exit(void) |
1da177e4 | 2716 | { |
fabbf219 | 2717 | usb_deregister(&usbtest_driver); |
1da177e4 | 2718 | } |
fabbf219 | 2719 | module_exit(usbtest_exit); |
1da177e4 | 2720 | |
fabbf219 MF |
2721 | MODULE_DESCRIPTION("USB Core/HCD Testing Driver"); |
2722 | MODULE_LICENSE("GPL"); | |
1da177e4 | 2723 |