]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #include <linux/kernel.h> |
2 | #include <linux/errno.h> | |
3 | #include <linux/init.h> | |
4 | #include <linux/slab.h> | |
5 | #include <linux/mm.h> | |
6 | #include <linux/module.h> | |
7 | #include <linux/moduleparam.h> | |
378f058c | 8 | #include <linux/scatterlist.h> |
1cfab028 | 9 | #include <linux/mutex.h> |
1da177e4 LT |
10 | |
11 | #include <linux/usb.h> | |
12 | ||
13 | ||
d0b4652f AS |
14 | /*-------------------------------------------------------------------------*/ |
15 | ||
16 | static int override_alt = -1; | |
17 | module_param_named(alt, override_alt, int, 0644); | |
18 | MODULE_PARM_DESC(alt, ">= 0 to override altsetting selection"); | |
19 | ||
1da177e4 LT |
20 | /*-------------------------------------------------------------------------*/ |
21 | ||
fabbf219 | 22 | /* FIXME make these public somewhere; usbdevfs.h? */ |
1da177e4 | 23 | struct usbtest_param { |
fabbf219 | 24 | /* inputs */ |
1da177e4 LT |
25 | unsigned test_num; /* 0..(TEST_CASES-1) */ |
26 | unsigned iterations; | |
27 | unsigned length; | |
28 | unsigned vary; | |
29 | unsigned sglen; | |
30 | ||
fabbf219 | 31 | /* outputs */ |
1da177e4 LT |
32 | struct timeval duration; |
33 | }; | |
34 | #define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) | |
35 | ||
36 | /*-------------------------------------------------------------------------*/ | |
37 | ||
38 | #define GENERIC /* let probe() bind using module params */ | |
39 | ||
40 | /* Some devices that can be used for testing will have "real" drivers. | |
41 | * Entries for those need to be enabled here by hand, after disabling | |
42 | * that "real" driver. | |
43 | */ | |
44 | //#define IBOT2 /* grab iBOT2 webcams */ | |
45 | //#define KEYSPAN_19Qi /* grab un-renumerated serial adapter */ | |
46 | ||
47 | /*-------------------------------------------------------------------------*/ | |
48 | ||
49 | struct usbtest_info { | |
50 | const char *name; | |
51 | u8 ep_in; /* bulk/intr source */ | |
52 | u8 ep_out; /* bulk/intr sink */ | |
fabbf219 MF |
53 | unsigned autoconf:1; |
54 | unsigned ctrl_out:1; | |
55 | unsigned iso:1; /* try iso in/out */ | |
1da177e4 LT |
56 | int alt; |
57 | }; | |
58 | ||
59 | /* this is accessed only through usbfs ioctl calls. | |
60 | * one ioctl to issue a test ... one lock per device. | |
61 | * tests create other threads if they need them. | |
62 | * urbs and buffers are allocated dynamically, | |
63 | * and data generated deterministically. | |
64 | */ | |
65 | struct usbtest_dev { | |
66 | struct usb_interface *intf; | |
67 | struct usbtest_info *info; | |
68 | int in_pipe; | |
69 | int out_pipe; | |
70 | int in_iso_pipe; | |
71 | int out_iso_pipe; | |
72 | struct usb_endpoint_descriptor *iso_in, *iso_out; | |
1cfab028 | 73 | struct mutex lock; |
1da177e4 LT |
74 | |
75 | #define TBUF_SIZE 256 | |
76 | u8 *buf; | |
77 | }; | |
78 | ||
fabbf219 | 79 | static struct usb_device *testdev_to_usbdev(struct usbtest_dev *test) |
1da177e4 | 80 | { |
fabbf219 | 81 | return interface_to_usbdev(test->intf); |
1da177e4 LT |
82 | } |
83 | ||
84 | /* set up all urbs so they can be used with either bulk or interrupt */ | |
85 | #define INTERRUPT_RATE 1 /* msec/transfer */ | |
86 | ||
28ffd79c DB |
87 | #define ERROR(tdev, fmt, args...) \ |
88 | dev_err(&(tdev)->intf->dev , fmt , ## args) | |
b6c63937 | 89 | #define WARNING(tdev, fmt, args...) \ |
28ffd79c | 90 | dev_warn(&(tdev)->intf->dev , fmt , ## args) |
1da177e4 | 91 | |
084fb206 MF |
92 | #define GUARD_BYTE 0xA5 |
93 | ||
1da177e4 LT |
94 | /*-------------------------------------------------------------------------*/ |
95 | ||
96 | static int | |
fabbf219 | 97 | get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf) |
1da177e4 LT |
98 | { |
99 | int tmp; | |
100 | struct usb_host_interface *alt; | |
101 | struct usb_host_endpoint *in, *out; | |
102 | struct usb_host_endpoint *iso_in, *iso_out; | |
103 | struct usb_device *udev; | |
104 | ||
105 | for (tmp = 0; tmp < intf->num_altsetting; tmp++) { | |
106 | unsigned ep; | |
107 | ||
108 | in = out = NULL; | |
109 | iso_in = iso_out = NULL; | |
110 | alt = intf->altsetting + tmp; | |
111 | ||
d0b4652f AS |
112 | if (override_alt >= 0 && |
113 | override_alt != alt->desc.bAlternateSetting) | |
114 | continue; | |
115 | ||
1da177e4 | 116 | /* take the first altsetting with in-bulk + out-bulk; |
70f23fd6 | 117 | * ignore other endpoints and altsettings. |
1da177e4 LT |
118 | */ |
119 | for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { | |
120 | struct usb_host_endpoint *e; | |
121 | ||
122 | e = alt->endpoint + ep; | |
9a37a503 | 123 | switch (usb_endpoint_type(&e->desc)) { |
1da177e4 LT |
124 | case USB_ENDPOINT_XFER_BULK: |
125 | break; | |
126 | case USB_ENDPOINT_XFER_ISOC: | |
127 | if (dev->info->iso) | |
128 | goto try_iso; | |
fabbf219 | 129 | /* FALLTHROUGH */ |
1da177e4 LT |
130 | default: |
131 | continue; | |
132 | } | |
4d823dd2 | 133 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
134 | if (!in) |
135 | in = e; | |
136 | } else { | |
137 | if (!out) | |
138 | out = e; | |
139 | } | |
140 | continue; | |
141 | try_iso: | |
4d823dd2 | 142 | if (usb_endpoint_dir_in(&e->desc)) { |
1da177e4 LT |
143 | if (!iso_in) |
144 | iso_in = e; | |
145 | } else { | |
146 | if (!iso_out) | |
147 | iso_out = e; | |
148 | } | |
149 | } | |
951fd8ee | 150 | if ((in && out) || iso_in || iso_out) |
1da177e4 LT |
151 | goto found; |
152 | } | |
153 | return -EINVAL; | |
154 | ||
155 | found: | |
fabbf219 | 156 | udev = testdev_to_usbdev(dev); |
d0b4652f | 157 | dev->info->alt = alt->desc.bAlternateSetting; |
1da177e4 | 158 | if (alt->desc.bAlternateSetting != 0) { |
fabbf219 | 159 | tmp = usb_set_interface(udev, |
1da177e4 LT |
160 | alt->desc.bInterfaceNumber, |
161 | alt->desc.bAlternateSetting); | |
162 | if (tmp < 0) | |
163 | return tmp; | |
164 | } | |
165 | ||
166 | if (in) { | |
fabbf219 | 167 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 | 168 | in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
fabbf219 | 169 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
170 | out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
171 | } | |
172 | if (iso_in) { | |
173 | dev->iso_in = &iso_in->desc; | |
fabbf219 | 174 | dev->in_iso_pipe = usb_rcvisocpipe(udev, |
1da177e4 LT |
175 | iso_in->desc.bEndpointAddress |
176 | & USB_ENDPOINT_NUMBER_MASK); | |
951fd8ee ML |
177 | } |
178 | ||
179 | if (iso_out) { | |
1da177e4 | 180 | dev->iso_out = &iso_out->desc; |
fabbf219 | 181 | dev->out_iso_pipe = usb_sndisocpipe(udev, |
1da177e4 LT |
182 | iso_out->desc.bEndpointAddress |
183 | & USB_ENDPOINT_NUMBER_MASK); | |
184 | } | |
185 | return 0; | |
186 | } | |
187 | ||
188 | /*-------------------------------------------------------------------------*/ | |
189 | ||
190 | /* Support for testing basic non-queued I/O streams. | |
191 | * | |
192 | * These just package urbs as requests that can be easily canceled. | |
193 | * Each urb's data buffer is dynamically allocated; callers can fill | |
194 | * them with non-zero test data (or test for it) when appropriate. | |
195 | */ | |
196 | ||
fabbf219 | 197 | static void simple_callback(struct urb *urb) |
1da177e4 | 198 | { |
cdc97792 | 199 | complete(urb->context); |
1da177e4 LT |
200 | } |
201 | ||
084fb206 | 202 | static struct urb *usbtest_alloc_urb( |
1da177e4 LT |
203 | struct usb_device *udev, |
204 | int pipe, | |
084fb206 MF |
205 | unsigned long bytes, |
206 | unsigned transfer_flags, | |
207 | unsigned offset) | |
1da177e4 LT |
208 | { |
209 | struct urb *urb; | |
210 | ||
fabbf219 | 211 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 LT |
212 | if (!urb) |
213 | return urb; | |
fabbf219 | 214 | usb_fill_bulk_urb(urb, udev, pipe, NULL, bytes, simple_callback, NULL); |
1da177e4 LT |
215 | urb->interval = (udev->speed == USB_SPEED_HIGH) |
216 | ? (INTERRUPT_RATE << 3) | |
217 | : INTERRUPT_RATE; | |
084fb206 | 218 | urb->transfer_flags = transfer_flags; |
fabbf219 | 219 | if (usb_pipein(pipe)) |
1da177e4 | 220 | urb->transfer_flags |= URB_SHORT_NOT_OK; |
084fb206 MF |
221 | |
222 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
223 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, | |
224 | GFP_KERNEL, &urb->transfer_dma); | |
225 | else | |
226 | urb->transfer_buffer = kmalloc(bytes + offset, GFP_KERNEL); | |
227 | ||
1da177e4 | 228 | if (!urb->transfer_buffer) { |
fabbf219 | 229 | usb_free_urb(urb); |
084fb206 MF |
230 | return NULL; |
231 | } | |
232 | ||
233 | /* To test unaligned transfers add an offset and fill the | |
234 | unused memory with a guard value */ | |
235 | if (offset) { | |
236 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
237 | urb->transfer_buffer += offset; | |
238 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
239 | urb->transfer_dma += offset; | |
240 | } | |
241 | ||
242 | /* For inbound transfers use guard byte so that test fails if | |
243 | data not correctly copied */ | |
244 | memset(urb->transfer_buffer, | |
245 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
246 | bytes); | |
1da177e4 LT |
247 | return urb; |
248 | } | |
249 | ||
084fb206 MF |
250 | static struct urb *simple_alloc_urb( |
251 | struct usb_device *udev, | |
252 | int pipe, | |
253 | unsigned long bytes) | |
254 | { | |
255 | return usbtest_alloc_urb(udev, pipe, bytes, URB_NO_TRANSFER_DMA_MAP, 0); | |
256 | } | |
257 | ||
fabbf219 | 258 | static unsigned pattern; |
7f4e9854 VP |
259 | static unsigned mod_pattern; |
260 | module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); | |
261 | MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); | |
1da177e4 | 262 | |
fabbf219 | 263 | static inline void simple_fill_buf(struct urb *urb) |
1da177e4 LT |
264 | { |
265 | unsigned i; | |
266 | u8 *buf = urb->transfer_buffer; | |
267 | unsigned len = urb->transfer_buffer_length; | |
268 | ||
269 | switch (pattern) { | |
270 | default: | |
fabbf219 | 271 | /* FALLTHROUGH */ |
1da177e4 | 272 | case 0: |
fabbf219 | 273 | memset(buf, 0, len); |
1da177e4 LT |
274 | break; |
275 | case 1: /* mod63 */ | |
276 | for (i = 0; i < len; i++) | |
277 | *buf++ = (u8) (i % 63); | |
278 | break; | |
279 | } | |
280 | } | |
281 | ||
304b0b57 | 282 | static inline unsigned long buffer_offset(void *buf) |
084fb206 | 283 | { |
304b0b57 | 284 | return (unsigned long)buf & (ARCH_KMALLOC_MINALIGN - 1); |
084fb206 MF |
285 | } |
286 | ||
287 | static int check_guard_bytes(struct usbtest_dev *tdev, struct urb *urb) | |
288 | { | |
289 | u8 *buf = urb->transfer_buffer; | |
290 | u8 *guard = buf - buffer_offset(buf); | |
291 | unsigned i; | |
292 | ||
293 | for (i = 0; guard < buf; i++, guard++) { | |
294 | if (*guard != GUARD_BYTE) { | |
295 | ERROR(tdev, "guard byte[%d] %d (not %d)\n", | |
296 | i, *guard, GUARD_BYTE); | |
297 | return -EINVAL; | |
298 | } | |
299 | } | |
300 | return 0; | |
301 | } | |
302 | ||
303 | static int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb) | |
1da177e4 LT |
304 | { |
305 | unsigned i; | |
306 | u8 expected; | |
307 | u8 *buf = urb->transfer_buffer; | |
308 | unsigned len = urb->actual_length; | |
309 | ||
084fb206 MF |
310 | int ret = check_guard_bytes(tdev, urb); |
311 | if (ret) | |
312 | return ret; | |
313 | ||
1da177e4 LT |
314 | for (i = 0; i < len; i++, buf++) { |
315 | switch (pattern) { | |
316 | /* all-zeroes has no synchronization issues */ | |
317 | case 0: | |
318 | expected = 0; | |
319 | break; | |
320 | /* mod63 stays in sync with short-terminated transfers, | |
321 | * or otherwise when host and gadget agree on how large | |
322 | * each usb transfer request should be. resync is done | |
323 | * with set_interface or set_config. | |
324 | */ | |
325 | case 1: /* mod63 */ | |
326 | expected = i % 63; | |
327 | break; | |
328 | /* always fail unsupported patterns */ | |
329 | default: | |
330 | expected = !*buf; | |
331 | break; | |
332 | } | |
333 | if (*buf == expected) | |
334 | continue; | |
28ffd79c | 335 | ERROR(tdev, "buf[%d] = %d (not %d)\n", i, *buf, expected); |
1da177e4 LT |
336 | return -EINVAL; |
337 | } | |
338 | return 0; | |
339 | } | |
340 | ||
fabbf219 | 341 | static void simple_free_urb(struct urb *urb) |
1da177e4 | 342 | { |
304b0b57 | 343 | unsigned long offset = buffer_offset(urb->transfer_buffer); |
084fb206 MF |
344 | |
345 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) | |
346 | usb_free_coherent( | |
347 | urb->dev, | |
348 | urb->transfer_buffer_length + offset, | |
349 | urb->transfer_buffer - offset, | |
350 | urb->transfer_dma - offset); | |
351 | else | |
352 | kfree(urb->transfer_buffer - offset); | |
fabbf219 | 353 | usb_free_urb(urb); |
1da177e4 LT |
354 | } |
355 | ||
fabbf219 | 356 | static int simple_io( |
28ffd79c | 357 | struct usbtest_dev *tdev, |
1da177e4 LT |
358 | struct urb *urb, |
359 | int iterations, | |
360 | int vary, | |
361 | int expected, | |
362 | const char *label | |
363 | ) | |
364 | { | |
365 | struct usb_device *udev = urb->dev; | |
366 | int max = urb->transfer_buffer_length; | |
367 | struct completion completion; | |
368 | int retval = 0; | |
369 | ||
370 | urb->context = &completion; | |
371 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 372 | init_completion(&completion); |
7c79d094 | 373 | if (usb_pipeout(urb->pipe)) { |
fabbf219 | 374 | simple_fill_buf(urb); |
7c79d094 SAS |
375 | urb->transfer_flags |= URB_ZERO_PACKET; |
376 | } | |
fabbf219 MF |
377 | retval = usb_submit_urb(urb, GFP_KERNEL); |
378 | if (retval != 0) | |
1da177e4 LT |
379 | break; |
380 | ||
381 | /* NOTE: no timeouts; can't be broken out of by interrupt */ | |
fabbf219 | 382 | wait_for_completion(&completion); |
1da177e4 LT |
383 | retval = urb->status; |
384 | urb->dev = udev; | |
fabbf219 | 385 | if (retval == 0 && usb_pipein(urb->pipe)) |
28ffd79c | 386 | retval = simple_check_buf(tdev, urb); |
1da177e4 LT |
387 | |
388 | if (vary) { | |
389 | int len = urb->transfer_buffer_length; | |
390 | ||
391 | len += vary; | |
392 | len %= max; | |
393 | if (len == 0) | |
394 | len = (vary < max) ? vary : max; | |
395 | urb->transfer_buffer_length = len; | |
396 | } | |
397 | ||
398 | /* FIXME if endpoint halted, clear halt (and log) */ | |
399 | } | |
400 | urb->transfer_buffer_length = max; | |
401 | ||
402 | if (expected != retval) | |
28ffd79c | 403 | dev_err(&udev->dev, |
1da177e4 LT |
404 | "%s failed, iterations left %d, status %d (not %d)\n", |
405 | label, iterations, retval, expected); | |
406 | return retval; | |
407 | } | |
408 | ||
409 | ||
410 | /*-------------------------------------------------------------------------*/ | |
411 | ||
412 | /* We use scatterlist primitives to test queued I/O. | |
413 | * Yes, this also tests the scatterlist primitives. | |
414 | */ | |
415 | ||
fabbf219 | 416 | static void free_sglist(struct scatterlist *sg, int nents) |
1da177e4 LT |
417 | { |
418 | unsigned i; | |
28ffd79c | 419 | |
1da177e4 LT |
420 | if (!sg) |
421 | return; | |
422 | for (i = 0; i < nents; i++) { | |
45711f1a | 423 | if (!sg_page(&sg[i])) |
1da177e4 | 424 | continue; |
fabbf219 | 425 | kfree(sg_virt(&sg[i])); |
1da177e4 | 426 | } |
fabbf219 | 427 | kfree(sg); |
1da177e4 LT |
428 | } |
429 | ||
430 | static struct scatterlist * | |
fabbf219 | 431 | alloc_sglist(int nents, int max, int vary) |
1da177e4 LT |
432 | { |
433 | struct scatterlist *sg; | |
434 | unsigned i; | |
435 | unsigned size = max; | |
436 | ||
564e6989 DC |
437 | if (max == 0) |
438 | return NULL; | |
439 | ||
f55055b4 | 440 | sg = kmalloc_array(nents, sizeof(*sg), GFP_KERNEL); |
1da177e4 LT |
441 | if (!sg) |
442 | return NULL; | |
4756febb | 443 | sg_init_table(sg, nents); |
1da177e4 LT |
444 | |
445 | for (i = 0; i < nents; i++) { | |
446 | char *buf; | |
8b524901 | 447 | unsigned j; |
1da177e4 | 448 | |
fabbf219 | 449 | buf = kzalloc(size, GFP_KERNEL); |
1da177e4 | 450 | if (!buf) { |
fabbf219 | 451 | free_sglist(sg, i); |
1da177e4 LT |
452 | return NULL; |
453 | } | |
1da177e4 LT |
454 | |
455 | /* kmalloc pages are always physically contiguous! */ | |
4756febb | 456 | sg_set_buf(&sg[i], buf, size); |
1da177e4 | 457 | |
8b524901 DB |
458 | switch (pattern) { |
459 | case 0: | |
460 | /* already zeroed */ | |
461 | break; | |
462 | case 1: | |
463 | for (j = 0; j < size; j++) | |
464 | *buf++ = (u8) (j % 63); | |
465 | break; | |
466 | } | |
467 | ||
1da177e4 LT |
468 | if (vary) { |
469 | size += vary; | |
470 | size %= max; | |
471 | if (size == 0) | |
472 | size = (vary < max) ? vary : max; | |
473 | } | |
474 | } | |
475 | ||
476 | return sg; | |
477 | } | |
478 | ||
fabbf219 | 479 | static int perform_sglist( |
28ffd79c | 480 | struct usbtest_dev *tdev, |
1da177e4 LT |
481 | unsigned iterations, |
482 | int pipe, | |
483 | struct usb_sg_request *req, | |
484 | struct scatterlist *sg, | |
485 | int nents | |
486 | ) | |
487 | { | |
28ffd79c | 488 | struct usb_device *udev = testdev_to_usbdev(tdev); |
1da177e4 LT |
489 | int retval = 0; |
490 | ||
491 | while (retval == 0 && iterations-- > 0) { | |
fabbf219 | 492 | retval = usb_sg_init(req, udev, pipe, |
1da177e4 LT |
493 | (udev->speed == USB_SPEED_HIGH) |
494 | ? (INTERRUPT_RATE << 3) | |
495 | : INTERRUPT_RATE, | |
e94b1766 | 496 | sg, nents, 0, GFP_KERNEL); |
28ffd79c | 497 | |
1da177e4 LT |
498 | if (retval) |
499 | break; | |
fabbf219 | 500 | usb_sg_wait(req); |
1da177e4 LT |
501 | retval = req->status; |
502 | ||
8b524901 DB |
503 | /* FIXME check resulting data pattern */ |
504 | ||
1da177e4 LT |
505 | /* FIXME if endpoint halted, clear halt (and log) */ |
506 | } | |
507 | ||
fabbf219 MF |
508 | /* FIXME for unlink or fault handling tests, don't report |
509 | * failure if retval is as we expected ... | |
510 | */ | |
1da177e4 | 511 | if (retval) |
28ffd79c DB |
512 | ERROR(tdev, "perform_sglist failed, " |
513 | "iterations left %d, status %d\n", | |
1da177e4 LT |
514 | iterations, retval); |
515 | return retval; | |
516 | } | |
517 | ||
518 | ||
519 | /*-------------------------------------------------------------------------*/ | |
520 | ||
521 | /* unqueued control message testing | |
522 | * | |
523 | * there's a nice set of device functional requirements in chapter 9 of the | |
524 | * usb 2.0 spec, which we can apply to ANY device, even ones that don't use | |
525 | * special test firmware. | |
526 | * | |
527 | * we know the device is configured (or suspended) by the time it's visible | |
528 | * through usbfs. we can't change that, so we won't test enumeration (which | |
529 | * worked 'well enough' to get here, this time), power management (ditto), | |
530 | * or remote wakeup (which needs human interaction). | |
531 | */ | |
532 | ||
533 | static unsigned realworld = 1; | |
fabbf219 MF |
534 | module_param(realworld, uint, 0); |
535 | MODULE_PARM_DESC(realworld, "clear to demand stricter spec compliance"); | |
1da177e4 | 536 | |
fabbf219 | 537 | static int get_altsetting(struct usbtest_dev *dev) |
1da177e4 LT |
538 | { |
539 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 540 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
541 | int retval; |
542 | ||
fabbf219 | 543 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 | 544 | USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, |
fabbf219 | 545 | 0, iface->altsetting[0].desc.bInterfaceNumber, |
1da177e4 LT |
546 | dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
547 | switch (retval) { | |
548 | case 1: | |
fabbf219 | 549 | return dev->buf[0]; |
1da177e4 LT |
550 | case 0: |
551 | retval = -ERANGE; | |
fabbf219 | 552 | /* FALLTHROUGH */ |
1da177e4 LT |
553 | default: |
554 | return retval; | |
555 | } | |
556 | } | |
557 | ||
fabbf219 | 558 | static int set_altsetting(struct usbtest_dev *dev, int alternate) |
1da177e4 LT |
559 | { |
560 | struct usb_interface *iface = dev->intf; | |
561 | struct usb_device *udev; | |
562 | ||
563 | if (alternate < 0 || alternate >= 256) | |
564 | return -EINVAL; | |
565 | ||
fabbf219 MF |
566 | udev = interface_to_usbdev(iface); |
567 | return usb_set_interface(udev, | |
568 | iface->altsetting[0].desc.bInterfaceNumber, | |
1da177e4 LT |
569 | alternate); |
570 | } | |
571 | ||
28ffd79c | 572 | static int is_good_config(struct usbtest_dev *tdev, int len) |
1da177e4 LT |
573 | { |
574 | struct usb_config_descriptor *config; | |
28ffd79c | 575 | |
f55055b4 | 576 | if (len < sizeof(*config)) |
1da177e4 | 577 | return 0; |
28ffd79c | 578 | config = (struct usb_config_descriptor *) tdev->buf; |
1da177e4 LT |
579 | |
580 | switch (config->bDescriptorType) { | |
581 | case USB_DT_CONFIG: | |
582 | case USB_DT_OTHER_SPEED_CONFIG: | |
583 | if (config->bLength != 9) { | |
28ffd79c | 584 | ERROR(tdev, "bogus config descriptor length\n"); |
1da177e4 LT |
585 | return 0; |
586 | } | |
587 | /* this bit 'must be 1' but often isn't */ | |
588 | if (!realworld && !(config->bmAttributes & 0x80)) { | |
28ffd79c | 589 | ERROR(tdev, "high bit of config attributes not set\n"); |
1da177e4 LT |
590 | return 0; |
591 | } | |
592 | if (config->bmAttributes & 0x1f) { /* reserved == 0 */ | |
28ffd79c | 593 | ERROR(tdev, "reserved config bits set\n"); |
1da177e4 LT |
594 | return 0; |
595 | } | |
596 | break; | |
597 | default: | |
598 | return 0; | |
599 | } | |
600 | ||
fabbf219 | 601 | if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ |
1da177e4 | 602 | return 1; |
fabbf219 | 603 | if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ |
1da177e4 | 604 | return 1; |
28ffd79c | 605 | ERROR(tdev, "bogus config descriptor read size\n"); |
1da177e4 LT |
606 | return 0; |
607 | } | |
608 | ||
82f92672 HR |
609 | static int is_good_ext(struct usbtest_dev *tdev, u8 *buf) |
610 | { | |
611 | struct usb_ext_cap_descriptor *ext; | |
612 | u32 attr; | |
613 | ||
614 | ext = (struct usb_ext_cap_descriptor *) buf; | |
615 | ||
616 | if (ext->bLength != USB_DT_USB_EXT_CAP_SIZE) { | |
617 | ERROR(tdev, "bogus usb 2.0 extension descriptor length\n"); | |
618 | return 0; | |
619 | } | |
620 | ||
621 | attr = le32_to_cpu(ext->bmAttributes); | |
622 | /* bits[1:4] is used and others are reserved */ | |
623 | if (attr & ~0x1e) { /* reserved == 0 */ | |
624 | ERROR(tdev, "reserved bits set\n"); | |
625 | return 0; | |
626 | } | |
627 | ||
628 | return 1; | |
629 | } | |
630 | ||
b8fef795 HR |
631 | static int is_good_ss_cap(struct usbtest_dev *tdev, u8 *buf) |
632 | { | |
633 | struct usb_ss_cap_descriptor *ss; | |
634 | ||
635 | ss = (struct usb_ss_cap_descriptor *) buf; | |
636 | ||
637 | if (ss->bLength != USB_DT_USB_SS_CAP_SIZE) { | |
638 | ERROR(tdev, "bogus superspeed device capability descriptor length\n"); | |
639 | return 0; | |
640 | } | |
641 | ||
642 | /* | |
643 | * only bit[1] of bmAttributes is used for LTM and others are | |
644 | * reserved | |
645 | */ | |
646 | if (ss->bmAttributes & ~0x02) { /* reserved == 0 */ | |
647 | ERROR(tdev, "reserved bits set in bmAttributes\n"); | |
648 | return 0; | |
649 | } | |
650 | ||
651 | /* bits[0:3] of wSpeedSupported is used and others are reserved */ | |
652 | if (le16_to_cpu(ss->wSpeedSupported) & ~0x0f) { /* reserved == 0 */ | |
653 | ERROR(tdev, "reserved bits set in wSpeedSupported\n"); | |
654 | return 0; | |
655 | } | |
656 | ||
657 | return 1; | |
658 | } | |
659 | ||
1da177e4 LT |
660 | /* sanity test for standard requests working with usb_control_mesg() and some |
661 | * of the utility functions which use it. | |
662 | * | |
663 | * this doesn't test how endpoint halts behave or data toggles get set, since | |
664 | * we won't do I/O to bulk/interrupt endpoints here (which is how to change | |
665 | * halt or toggle). toggle testing is impractical without support from hcds. | |
666 | * | |
667 | * this avoids failing devices linux would normally work with, by not testing | |
668 | * config/altsetting operations for devices that only support their defaults. | |
669 | * such devices rarely support those needless operations. | |
670 | * | |
671 | * NOTE that since this is a sanity test, it's not examining boundary cases | |
672 | * to see if usbcore, hcd, and device all behave right. such testing would | |
673 | * involve varied read sizes and other operation sequences. | |
674 | */ | |
fabbf219 | 675 | static int ch9_postconfig(struct usbtest_dev *dev) |
1da177e4 LT |
676 | { |
677 | struct usb_interface *iface = dev->intf; | |
fabbf219 | 678 | struct usb_device *udev = interface_to_usbdev(iface); |
1da177e4 LT |
679 | int i, alt, retval; |
680 | ||
681 | /* [9.2.3] if there's more than one altsetting, we need to be able to | |
682 | * set and get each one. mostly trusts the descriptors from usbcore. | |
683 | */ | |
684 | for (i = 0; i < iface->num_altsetting; i++) { | |
685 | ||
686 | /* 9.2.3 constrains the range here */ | |
fabbf219 | 687 | alt = iface->altsetting[i].desc.bAlternateSetting; |
1da177e4 | 688 | if (alt < 0 || alt >= iface->num_altsetting) { |
28ffd79c | 689 | dev_err(&iface->dev, |
1da177e4 LT |
690 | "invalid alt [%d].bAltSetting = %d\n", |
691 | i, alt); | |
692 | } | |
693 | ||
694 | /* [real world] get/set unimplemented if there's only one */ | |
695 | if (realworld && iface->num_altsetting == 1) | |
696 | continue; | |
697 | ||
698 | /* [9.4.10] set_interface */ | |
fabbf219 | 699 | retval = set_altsetting(dev, alt); |
1da177e4 | 700 | if (retval) { |
28ffd79c | 701 | dev_err(&iface->dev, "can't set_interface = %d, %d\n", |
1da177e4 LT |
702 | alt, retval); |
703 | return retval; | |
704 | } | |
705 | ||
706 | /* [9.4.4] get_interface always works */ | |
fabbf219 | 707 | retval = get_altsetting(dev); |
1da177e4 | 708 | if (retval != alt) { |
28ffd79c | 709 | dev_err(&iface->dev, "get alt should be %d, was %d\n", |
1da177e4 LT |
710 | alt, retval); |
711 | return (retval < 0) ? retval : -EDOM; | |
712 | } | |
713 | ||
714 | } | |
715 | ||
716 | /* [real world] get_config unimplemented if there's only one */ | |
717 | if (!realworld || udev->descriptor.bNumConfigurations != 1) { | |
718 | int expected = udev->actconfig->desc.bConfigurationValue; | |
719 | ||
720 | /* [9.4.2] get_configuration always works | |
721 | * ... although some cheap devices (like one TI Hub I've got) | |
722 | * won't return config descriptors except before set_config. | |
723 | */ | |
fabbf219 | 724 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
725 | USB_REQ_GET_CONFIGURATION, |
726 | USB_DIR_IN | USB_RECIP_DEVICE, | |
727 | 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); | |
fabbf219 | 728 | if (retval != 1 || dev->buf[0] != expected) { |
28ffd79c | 729 | dev_err(&iface->dev, "get config --> %d %d (1 %d)\n", |
ff7c79e4 | 730 | retval, dev->buf[0], expected); |
1da177e4 LT |
731 | return (retval < 0) ? retval : -EDOM; |
732 | } | |
733 | } | |
734 | ||
735 | /* there's always [9.4.3] a device descriptor [9.6.1] */ | |
fabbf219 | 736 | retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0, |
f55055b4 HR |
737 | dev->buf, sizeof(udev->descriptor)); |
738 | if (retval != sizeof(udev->descriptor)) { | |
28ffd79c | 739 | dev_err(&iface->dev, "dev descriptor --> %d\n", retval); |
1da177e4 LT |
740 | return (retval < 0) ? retval : -EDOM; |
741 | } | |
742 | ||
9d3bd768 HR |
743 | /* |
744 | * there's always [9.4.3] a bos device descriptor [9.6.2] in USB | |
745 | * 3.0 spec | |
746 | */ | |
747 | if (le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0300) { | |
82f92672 HR |
748 | struct usb_bos_descriptor *bos = NULL; |
749 | struct usb_dev_cap_header *header = NULL; | |
750 | unsigned total, num, length; | |
751 | u8 *buf; | |
752 | ||
9d3bd768 HR |
753 | retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf, |
754 | sizeof(*udev->bos->desc)); | |
755 | if (retval != sizeof(*udev->bos->desc)) { | |
756 | dev_err(&iface->dev, "bos descriptor --> %d\n", retval); | |
757 | return (retval < 0) ? retval : -EDOM; | |
758 | } | |
82f92672 HR |
759 | |
760 | bos = (struct usb_bos_descriptor *)dev->buf; | |
761 | total = le16_to_cpu(bos->wTotalLength); | |
762 | num = bos->bNumDeviceCaps; | |
763 | ||
764 | if (total > TBUF_SIZE) | |
765 | total = TBUF_SIZE; | |
766 | ||
767 | /* | |
768 | * get generic device-level capability descriptors [9.6.2] | |
769 | * in USB 3.0 spec | |
770 | */ | |
771 | retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf, | |
772 | total); | |
773 | if (retval != total) { | |
774 | dev_err(&iface->dev, "bos descriptor set --> %d\n", | |
775 | retval); | |
776 | return (retval < 0) ? retval : -EDOM; | |
777 | } | |
778 | ||
779 | length = sizeof(*udev->bos->desc); | |
780 | buf = dev->buf; | |
781 | for (i = 0; i < num; i++) { | |
782 | buf += length; | |
783 | if (buf + sizeof(struct usb_dev_cap_header) > | |
784 | dev->buf + total) | |
785 | break; | |
786 | ||
787 | header = (struct usb_dev_cap_header *)buf; | |
788 | length = header->bLength; | |
789 | ||
790 | if (header->bDescriptorType != | |
791 | USB_DT_DEVICE_CAPABILITY) { | |
792 | dev_warn(&udev->dev, "not device capability descriptor, skip\n"); | |
793 | continue; | |
794 | } | |
795 | ||
796 | switch (header->bDevCapabilityType) { | |
797 | case USB_CAP_TYPE_EXT: | |
798 | if (buf + USB_DT_USB_EXT_CAP_SIZE > | |
799 | dev->buf + total || | |
800 | !is_good_ext(dev, buf)) { | |
801 | dev_err(&iface->dev, "bogus usb 2.0 extension descriptor\n"); | |
802 | return -EDOM; | |
803 | } | |
804 | break; | |
b8fef795 HR |
805 | case USB_SS_CAP_TYPE: |
806 | if (buf + USB_DT_USB_SS_CAP_SIZE > | |
807 | dev->buf + total || | |
808 | !is_good_ss_cap(dev, buf)) { | |
809 | dev_err(&iface->dev, "bogus superspeed device capability descriptor\n"); | |
810 | return -EDOM; | |
811 | } | |
812 | break; | |
82f92672 HR |
813 | default: |
814 | break; | |
815 | } | |
816 | } | |
9d3bd768 HR |
817 | } |
818 | ||
1da177e4 LT |
819 | /* there's always [9.4.3] at least one config descriptor [9.6.3] */ |
820 | for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { | |
fabbf219 | 821 | retval = usb_get_descriptor(udev, USB_DT_CONFIG, i, |
1da177e4 | 822 | dev->buf, TBUF_SIZE); |
28ffd79c DB |
823 | if (!is_good_config(dev, retval)) { |
824 | dev_err(&iface->dev, | |
1da177e4 LT |
825 | "config [%d] descriptor --> %d\n", |
826 | i, retval); | |
827 | return (retval < 0) ? retval : -EDOM; | |
828 | } | |
829 | ||
fabbf219 MF |
830 | /* FIXME cross-checking udev->config[i] to make sure usbcore |
831 | * parsed it right (etc) would be good testing paranoia | |
832 | */ | |
1da177e4 LT |
833 | } |
834 | ||
835 | /* and sometimes [9.2.6.6] speed dependent descriptors */ | |
836 | if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { | |
fabbf219 | 837 | struct usb_qualifier_descriptor *d = NULL; |
1da177e4 LT |
838 | |
839 | /* device qualifier [9.6.2] */ | |
fabbf219 | 840 | retval = usb_get_descriptor(udev, |
1da177e4 | 841 | USB_DT_DEVICE_QUALIFIER, 0, dev->buf, |
fabbf219 | 842 | sizeof(struct usb_qualifier_descriptor)); |
1da177e4 LT |
843 | if (retval == -EPIPE) { |
844 | if (udev->speed == USB_SPEED_HIGH) { | |
28ffd79c | 845 | dev_err(&iface->dev, |
1da177e4 LT |
846 | "hs dev qualifier --> %d\n", |
847 | retval); | |
848 | return (retval < 0) ? retval : -EDOM; | |
849 | } | |
850 | /* usb2.0 but not high-speed capable; fine */ | |
fabbf219 | 851 | } else if (retval != sizeof(struct usb_qualifier_descriptor)) { |
28ffd79c | 852 | dev_err(&iface->dev, "dev qualifier --> %d\n", retval); |
1da177e4 LT |
853 | return (retval < 0) ? retval : -EDOM; |
854 | } else | |
855 | d = (struct usb_qualifier_descriptor *) dev->buf; | |
856 | ||
857 | /* might not have [9.6.2] any other-speed configs [9.6.4] */ | |
858 | if (d) { | |
859 | unsigned max = d->bNumConfigurations; | |
860 | for (i = 0; i < max; i++) { | |
fabbf219 | 861 | retval = usb_get_descriptor(udev, |
1da177e4 LT |
862 | USB_DT_OTHER_SPEED_CONFIG, i, |
863 | dev->buf, TBUF_SIZE); | |
28ffd79c DB |
864 | if (!is_good_config(dev, retval)) { |
865 | dev_err(&iface->dev, | |
1da177e4 LT |
866 | "other speed config --> %d\n", |
867 | retval); | |
868 | return (retval < 0) ? retval : -EDOM; | |
869 | } | |
870 | } | |
871 | } | |
872 | } | |
fabbf219 | 873 | /* FIXME fetch strings from at least the device descriptor */ |
1da177e4 LT |
874 | |
875 | /* [9.4.5] get_status always works */ | |
fabbf219 | 876 | retval = usb_get_status(udev, USB_RECIP_DEVICE, 0, dev->buf); |
15b7336e | 877 | if (retval) { |
28ffd79c | 878 | dev_err(&iface->dev, "get dev status --> %d\n", retval); |
15b7336e | 879 | return retval; |
1da177e4 LT |
880 | } |
881 | ||
fabbf219 MF |
882 | /* FIXME configuration.bmAttributes says if we could try to set/clear |
883 | * the device's remote wakeup feature ... if we can, test that here | |
884 | */ | |
1da177e4 | 885 | |
fabbf219 MF |
886 | retval = usb_get_status(udev, USB_RECIP_INTERFACE, |
887 | iface->altsetting[0].desc.bInterfaceNumber, dev->buf); | |
15b7336e | 888 | if (retval) { |
28ffd79c | 889 | dev_err(&iface->dev, "get interface status --> %d\n", retval); |
15b7336e | 890 | return retval; |
1da177e4 | 891 | } |
fabbf219 | 892 | /* FIXME get status for each endpoint in the interface */ |
28ffd79c | 893 | |
1da177e4 LT |
894 | return 0; |
895 | } | |
896 | ||
897 | /*-------------------------------------------------------------------------*/ | |
898 | ||
899 | /* use ch9 requests to test whether: | |
900 | * (a) queues work for control, keeping N subtests queued and | |
901 | * active (auto-resubmit) for M loops through the queue. | |
902 | * (b) protocol stalls (control-only) will autorecover. | |
903 | * it's not like bulk/intr; no halt clearing. | |
904 | * (c) short control reads are reported and handled. | |
905 | * (d) queues are always processed in-order | |
906 | */ | |
907 | ||
908 | struct ctrl_ctx { | |
909 | spinlock_t lock; | |
910 | struct usbtest_dev *dev; | |
911 | struct completion complete; | |
912 | unsigned count; | |
913 | unsigned pending; | |
914 | int status; | |
915 | struct urb **urb; | |
916 | struct usbtest_param *param; | |
917 | int last; | |
918 | }; | |
919 | ||
920 | #define NUM_SUBCASES 15 /* how many test subcases here? */ | |
921 | ||
922 | struct subcase { | |
923 | struct usb_ctrlrequest setup; | |
924 | int number; | |
925 | int expected; | |
926 | }; | |
927 | ||
fabbf219 | 928 | static void ctrl_complete(struct urb *urb) |
1da177e4 LT |
929 | { |
930 | struct ctrl_ctx *ctx = urb->context; | |
931 | struct usb_ctrlrequest *reqp; | |
932 | struct subcase *subcase; | |
933 | int status = urb->status; | |
934 | ||
935 | reqp = (struct usb_ctrlrequest *)urb->setup_packet; | |
fabbf219 | 936 | subcase = container_of(reqp, struct subcase, setup); |
1da177e4 | 937 | |
fabbf219 | 938 | spin_lock(&ctx->lock); |
1da177e4 LT |
939 | ctx->count--; |
940 | ctx->pending--; | |
941 | ||
942 | /* queue must transfer and complete in fifo order, unless | |
943 | * usb_unlink_urb() is used to unlink something not at the | |
944 | * physical queue head (not tested). | |
945 | */ | |
946 | if (subcase->number > 0) { | |
947 | if ((subcase->number - ctx->last) != 1) { | |
28ffd79c DB |
948 | ERROR(ctx->dev, |
949 | "subcase %d completed out of order, last %d\n", | |
950 | subcase->number, ctx->last); | |
1da177e4 LT |
951 | status = -EDOM; |
952 | ctx->last = subcase->number; | |
953 | goto error; | |
954 | } | |
955 | } | |
956 | ctx->last = subcase->number; | |
957 | ||
958 | /* succeed or fault in only one way? */ | |
959 | if (status == subcase->expected) | |
960 | status = 0; | |
961 | ||
962 | /* async unlink for cleanup? */ | |
963 | else if (status != -ECONNRESET) { | |
964 | ||
965 | /* some faults are allowed, not required */ | |
966 | if (subcase->expected > 0 && ( | |
59d99785 GKH |
967 | ((status == -subcase->expected /* happened */ |
968 | || status == 0)))) /* didn't */ | |
1da177e4 LT |
969 | status = 0; |
970 | /* sometimes more than one fault is allowed */ | |
971 | else if (subcase->number == 12 && status == -EPIPE) | |
972 | status = 0; | |
973 | else | |
28ffd79c | 974 | ERROR(ctx->dev, "subtest %d error, status %d\n", |
1da177e4 LT |
975 | subcase->number, status); |
976 | } | |
977 | ||
978 | /* unexpected status codes mean errors; ideally, in hardware */ | |
979 | if (status) { | |
980 | error: | |
981 | if (ctx->status == 0) { | |
982 | int i; | |
983 | ||
984 | ctx->status = status; | |
28ffd79c DB |
985 | ERROR(ctx->dev, "control queue %02x.%02x, err %d, " |
986 | "%d left, subcase %d, len %d/%d\n", | |
1da177e4 | 987 | reqp->bRequestType, reqp->bRequest, |
28ffd79c DB |
988 | status, ctx->count, subcase->number, |
989 | urb->actual_length, | |
990 | urb->transfer_buffer_length); | |
1da177e4 LT |
991 | |
992 | /* FIXME this "unlink everything" exit route should | |
993 | * be a separate test case. | |
994 | */ | |
995 | ||
996 | /* unlink whatever's still pending */ | |
997 | for (i = 1; i < ctx->param->sglen; i++) { | |
fabbf219 MF |
998 | struct urb *u = ctx->urb[ |
999 | (i + subcase->number) | |
1000 | % ctx->param->sglen]; | |
1da177e4 LT |
1001 | |
1002 | if (u == urb || !u->dev) | |
1003 | continue; | |
caa2a122 | 1004 | spin_unlock(&ctx->lock); |
fabbf219 | 1005 | status = usb_unlink_urb(u); |
caa2a122 | 1006 | spin_lock(&ctx->lock); |
1da177e4 LT |
1007 | switch (status) { |
1008 | case -EINPROGRESS: | |
1009 | case -EBUSY: | |
1010 | case -EIDRM: | |
1011 | continue; | |
1012 | default: | |
28ffd79c DB |
1013 | ERROR(ctx->dev, "urb unlink --> %d\n", |
1014 | status); | |
1da177e4 LT |
1015 | } |
1016 | } | |
1017 | status = ctx->status; | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | /* resubmit if we need to, else mark this as done */ | |
1022 | if ((status == 0) && (ctx->pending < ctx->count)) { | |
fabbf219 MF |
1023 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1024 | if (status != 0) { | |
28ffd79c DB |
1025 | ERROR(ctx->dev, |
1026 | "can't resubmit ctrl %02x.%02x, err %d\n", | |
1da177e4 LT |
1027 | reqp->bRequestType, reqp->bRequest, status); |
1028 | urb->dev = NULL; | |
1029 | } else | |
1030 | ctx->pending++; | |
1031 | } else | |
1032 | urb->dev = NULL; | |
28ffd79c | 1033 | |
1da177e4 LT |
1034 | /* signal completion when nothing's queued */ |
1035 | if (ctx->pending == 0) | |
fabbf219 MF |
1036 | complete(&ctx->complete); |
1037 | spin_unlock(&ctx->lock); | |
1da177e4 LT |
1038 | } |
1039 | ||
1040 | static int | |
fabbf219 | 1041 | test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param) |
1da177e4 | 1042 | { |
fabbf219 | 1043 | struct usb_device *udev = testdev_to_usbdev(dev); |
1da177e4 LT |
1044 | struct urb **urb; |
1045 | struct ctrl_ctx context; | |
1046 | int i; | |
1047 | ||
e65cdfae XW |
1048 | if (param->sglen == 0 || param->iterations > UINT_MAX / param->sglen) |
1049 | return -EOPNOTSUPP; | |
1050 | ||
fabbf219 | 1051 | spin_lock_init(&context.lock); |
1da177e4 | 1052 | context.dev = dev; |
fabbf219 | 1053 | init_completion(&context.complete); |
1da177e4 LT |
1054 | context.count = param->sglen * param->iterations; |
1055 | context.pending = 0; | |
1056 | context.status = -ENOMEM; | |
1057 | context.param = param; | |
1058 | context.last = -1; | |
1059 | ||
1060 | /* allocate and init the urbs we'll queue. | |
1061 | * as with bulk/intr sglists, sglen is the queue depth; it also | |
1062 | * controls which subtests run (more tests than sglen) or rerun. | |
1063 | */ | |
e94b1766 | 1064 | urb = kcalloc(param->sglen, sizeof(struct urb *), GFP_KERNEL); |
1da177e4 LT |
1065 | if (!urb) |
1066 | return -ENOMEM; | |
1da177e4 | 1067 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 1068 | int pipe = usb_rcvctrlpipe(udev, 0); |
1da177e4 LT |
1069 | unsigned len; |
1070 | struct urb *u; | |
1071 | struct usb_ctrlrequest req; | |
1072 | struct subcase *reqp; | |
6def7553 MS |
1073 | |
1074 | /* sign of this variable means: | |
1075 | * -: tested code must return this (negative) error code | |
1076 | * +: tested code may return this (negative too) error code | |
1077 | */ | |
1da177e4 LT |
1078 | int expected = 0; |
1079 | ||
1080 | /* requests here are mostly expected to succeed on any | |
1081 | * device, but some are chosen to trigger protocol stalls | |
1082 | * or short reads. | |
1083 | */ | |
f55055b4 | 1084 | memset(&req, 0, sizeof(req)); |
1da177e4 LT |
1085 | req.bRequest = USB_REQ_GET_DESCRIPTOR; |
1086 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
1087 | ||
1088 | switch (i % NUM_SUBCASES) { | |
fabbf219 MF |
1089 | case 0: /* get device descriptor */ |
1090 | req.wValue = cpu_to_le16(USB_DT_DEVICE << 8); | |
1091 | len = sizeof(struct usb_device_descriptor); | |
1da177e4 | 1092 | break; |
fabbf219 MF |
1093 | case 1: /* get first config descriptor (only) */ |
1094 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1095 | len = sizeof(struct usb_config_descriptor); | |
1da177e4 | 1096 | break; |
fabbf219 | 1097 | case 2: /* get altsetting (OFTEN STALLS) */ |
1da177e4 LT |
1098 | req.bRequest = USB_REQ_GET_INTERFACE; |
1099 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 1100 | /* index = 0 means first interface */ |
1da177e4 LT |
1101 | len = 1; |
1102 | expected = EPIPE; | |
1103 | break; | |
fabbf219 | 1104 | case 3: /* get interface status */ |
1da177e4 LT |
1105 | req.bRequest = USB_REQ_GET_STATUS; |
1106 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; | |
fabbf219 | 1107 | /* interface 0 */ |
1da177e4 LT |
1108 | len = 2; |
1109 | break; | |
fabbf219 | 1110 | case 4: /* get device status */ |
1da177e4 LT |
1111 | req.bRequest = USB_REQ_GET_STATUS; |
1112 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; | |
1113 | len = 2; | |
1114 | break; | |
fabbf219 | 1115 | case 5: /* get device qualifier (MAY STALL) */ |
1da177e4 | 1116 | req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); |
fabbf219 | 1117 | len = sizeof(struct usb_qualifier_descriptor); |
1da177e4 LT |
1118 | if (udev->speed != USB_SPEED_HIGH) |
1119 | expected = EPIPE; | |
1120 | break; | |
fabbf219 MF |
1121 | case 6: /* get first config descriptor, plus interface */ |
1122 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1123 | len = sizeof(struct usb_config_descriptor); | |
1124 | len += sizeof(struct usb_interface_descriptor); | |
1da177e4 | 1125 | break; |
fabbf219 | 1126 | case 7: /* get interface descriptor (ALWAYS STALLS) */ |
1da177e4 | 1127 | req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); |
fabbf219 MF |
1128 | /* interface == 0 */ |
1129 | len = sizeof(struct usb_interface_descriptor); | |
28ffd79c | 1130 | expected = -EPIPE; |
1da177e4 | 1131 | break; |
fabbf219 MF |
1132 | /* NOTE: two consecutive stalls in the queue here. |
1133 | * that tests fault recovery a bit more aggressively. */ | |
1134 | case 8: /* clear endpoint halt (MAY STALL) */ | |
1da177e4 LT |
1135 | req.bRequest = USB_REQ_CLEAR_FEATURE; |
1136 | req.bRequestType = USB_RECIP_ENDPOINT; | |
fabbf219 MF |
1137 | /* wValue 0 == ep halt */ |
1138 | /* wIndex 0 == ep0 (shouldn't halt!) */ | |
1da177e4 | 1139 | len = 0; |
fabbf219 | 1140 | pipe = usb_sndctrlpipe(udev, 0); |
1da177e4 LT |
1141 | expected = EPIPE; |
1142 | break; | |
fabbf219 | 1143 | case 9: /* get endpoint status */ |
1da177e4 LT |
1144 | req.bRequest = USB_REQ_GET_STATUS; |
1145 | req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; | |
fabbf219 | 1146 | /* endpoint 0 */ |
1da177e4 LT |
1147 | len = 2; |
1148 | break; | |
fabbf219 MF |
1149 | case 10: /* trigger short read (EREMOTEIO) */ |
1150 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1da177e4 LT |
1151 | len = 1024; |
1152 | expected = -EREMOTEIO; | |
1153 | break; | |
fabbf219 MF |
1154 | /* NOTE: two consecutive _different_ faults in the queue. */ |
1155 | case 11: /* get endpoint descriptor (ALWAYS STALLS) */ | |
1156 | req.wValue = cpu_to_le16(USB_DT_ENDPOINT << 8); | |
1157 | /* endpoint == 0 */ | |
1158 | len = sizeof(struct usb_interface_descriptor); | |
1da177e4 LT |
1159 | expected = EPIPE; |
1160 | break; | |
fabbf219 MF |
1161 | /* NOTE: sometimes even a third fault in the queue! */ |
1162 | case 12: /* get string 0 descriptor (MAY STALL) */ | |
1163 | req.wValue = cpu_to_le16(USB_DT_STRING << 8); | |
1164 | /* string == 0, for language IDs */ | |
1165 | len = sizeof(struct usb_interface_descriptor); | |
1166 | /* may succeed when > 4 languages */ | |
1167 | expected = EREMOTEIO; /* or EPIPE, if no strings */ | |
1da177e4 | 1168 | break; |
fabbf219 MF |
1169 | case 13: /* short read, resembling case 10 */ |
1170 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); | |
1171 | /* last data packet "should" be DATA1, not DATA0 */ | |
6a23ccd2 PZ |
1172 | if (udev->speed == USB_SPEED_SUPER) |
1173 | len = 1024 - 512; | |
1174 | else | |
1175 | len = 1024 - udev->descriptor.bMaxPacketSize0; | |
1da177e4 LT |
1176 | expected = -EREMOTEIO; |
1177 | break; | |
fabbf219 MF |
1178 | case 14: /* short read; try to fill the last packet */ |
1179 | req.wValue = cpu_to_le16((USB_DT_DEVICE << 8) | 0); | |
28ffd79c | 1180 | /* device descriptor size == 18 bytes */ |
1da177e4 | 1181 | len = udev->descriptor.bMaxPacketSize0; |
67e7d64b SAS |
1182 | if (udev->speed == USB_SPEED_SUPER) |
1183 | len = 512; | |
1da177e4 | 1184 | switch (len) { |
fabbf219 MF |
1185 | case 8: |
1186 | len = 24; | |
1187 | break; | |
1188 | case 16: | |
1189 | len = 32; | |
1190 | break; | |
1da177e4 LT |
1191 | } |
1192 | expected = -EREMOTEIO; | |
1193 | break; | |
1194 | default: | |
28ffd79c | 1195 | ERROR(dev, "bogus number of ctrl queue testcases!\n"); |
1da177e4 LT |
1196 | context.status = -EINVAL; |
1197 | goto cleanup; | |
1198 | } | |
fabbf219 MF |
1199 | req.wLength = cpu_to_le16(len); |
1200 | urb[i] = u = simple_alloc_urb(udev, pipe, len); | |
1da177e4 LT |
1201 | if (!u) |
1202 | goto cleanup; | |
1203 | ||
f55055b4 | 1204 | reqp = kmalloc(sizeof(*reqp), GFP_KERNEL); |
1da177e4 LT |
1205 | if (!reqp) |
1206 | goto cleanup; | |
1207 | reqp->setup = req; | |
1208 | reqp->number = i % NUM_SUBCASES; | |
1209 | reqp->expected = expected; | |
1210 | u->setup_packet = (char *) &reqp->setup; | |
1211 | ||
1212 | u->context = &context; | |
1213 | u->complete = ctrl_complete; | |
1da177e4 LT |
1214 | } |
1215 | ||
1216 | /* queue the urbs */ | |
1217 | context.urb = urb; | |
fabbf219 | 1218 | spin_lock_irq(&context.lock); |
1da177e4 | 1219 | for (i = 0; i < param->sglen; i++) { |
fabbf219 | 1220 | context.status = usb_submit_urb(urb[i], GFP_ATOMIC); |
1da177e4 | 1221 | if (context.status != 0) { |
28ffd79c | 1222 | ERROR(dev, "can't submit urb[%d], status %d\n", |
1da177e4 LT |
1223 | i, context.status); |
1224 | context.count = context.pending; | |
1225 | break; | |
1226 | } | |
1227 | context.pending++; | |
1228 | } | |
fabbf219 | 1229 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1230 | |
1231 | /* FIXME set timer and time out; provide a disconnect hook */ | |
1232 | ||
1233 | /* wait for the last one to complete */ | |
1234 | if (context.pending > 0) | |
fabbf219 | 1235 | wait_for_completion(&context.complete); |
1da177e4 LT |
1236 | |
1237 | cleanup: | |
1238 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1239 | if (!urb[i]) |
1da177e4 | 1240 | continue; |
fabbf219 | 1241 | urb[i]->dev = udev; |
0ede76fc | 1242 | kfree(urb[i]->setup_packet); |
fabbf219 | 1243 | simple_free_urb(urb[i]); |
1da177e4 | 1244 | } |
fabbf219 | 1245 | kfree(urb); |
1da177e4 LT |
1246 | return context.status; |
1247 | } | |
1248 | #undef NUM_SUBCASES | |
1249 | ||
1250 | ||
1251 | /*-------------------------------------------------------------------------*/ | |
1252 | ||
fabbf219 | 1253 | static void unlink1_callback(struct urb *urb) |
1da177e4 LT |
1254 | { |
1255 | int status = urb->status; | |
1256 | ||
fabbf219 | 1257 | /* we "know" -EPIPE (stall) never happens */ |
1da177e4 | 1258 | if (!status) |
fabbf219 | 1259 | status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1260 | if (status) { |
1261 | urb->status = status; | |
cdc97792 | 1262 | complete(urb->context); |
1da177e4 LT |
1263 | } |
1264 | } | |
1265 | ||
fabbf219 | 1266 | static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async) |
1da177e4 LT |
1267 | { |
1268 | struct urb *urb; | |
1269 | struct completion completion; | |
1270 | int retval = 0; | |
1271 | ||
fabbf219 MF |
1272 | init_completion(&completion); |
1273 | urb = simple_alloc_urb(testdev_to_usbdev(dev), pipe, size); | |
1da177e4 LT |
1274 | if (!urb) |
1275 | return -ENOMEM; | |
1da177e4 LT |
1276 | urb->context = &completion; |
1277 | urb->complete = unlink1_callback; | |
1278 | ||
1279 | /* keep the endpoint busy. there are lots of hc/hcd-internal | |
1280 | * states, and testing should get to all of them over time. | |
1281 | * | |
1282 | * FIXME want additional tests for when endpoint is STALLing | |
1283 | * due to errors, or is just NAKing requests. | |
1284 | */ | |
fabbf219 MF |
1285 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1286 | if (retval != 0) { | |
28ffd79c | 1287 | dev_err(&dev->intf->dev, "submit fail %d\n", retval); |
1da177e4 LT |
1288 | return retval; |
1289 | } | |
1290 | ||
1291 | /* unlinking that should always work. variable delay tests more | |
1292 | * hcd states and code paths, even with little other system load. | |
1293 | */ | |
fabbf219 | 1294 | msleep(jiffies % (2 * INTERRUPT_RATE)); |
1da177e4 | 1295 | if (async) { |
3b6c023f MF |
1296 | while (!completion_done(&completion)) { |
1297 | retval = usb_unlink_urb(urb); | |
1298 | ||
1299 | switch (retval) { | |
1300 | case -EBUSY: | |
1301 | case -EIDRM: | |
1302 | /* we can't unlink urbs while they're completing | |
1303 | * or if they've completed, and we haven't | |
1304 | * resubmitted. "normal" drivers would prevent | |
1305 | * resubmission, but since we're testing unlink | |
1306 | * paths, we can't. | |
1307 | */ | |
1308 | ERROR(dev, "unlink retry\n"); | |
1309 | continue; | |
1310 | case 0: | |
1311 | case -EINPROGRESS: | |
1312 | break; | |
1313 | ||
1314 | default: | |
1315 | dev_err(&dev->intf->dev, | |
1316 | "unlink fail %d\n", retval); | |
1317 | return retval; | |
1318 | } | |
1319 | ||
1320 | break; | |
1da177e4 LT |
1321 | } |
1322 | } else | |
fabbf219 | 1323 | usb_kill_urb(urb); |
1da177e4 | 1324 | |
fabbf219 | 1325 | wait_for_completion(&completion); |
1da177e4 | 1326 | retval = urb->status; |
fabbf219 | 1327 | simple_free_urb(urb); |
1da177e4 LT |
1328 | |
1329 | if (async) | |
1330 | return (retval == -ECONNRESET) ? 0 : retval - 1000; | |
1331 | else | |
1332 | return (retval == -ENOENT || retval == -EPERM) ? | |
1333 | 0 : retval - 2000; | |
1334 | } | |
1335 | ||
fabbf219 | 1336 | static int unlink_simple(struct usbtest_dev *dev, int pipe, int len) |
1da177e4 LT |
1337 | { |
1338 | int retval = 0; | |
1339 | ||
1340 | /* test sync and async paths */ | |
fabbf219 | 1341 | retval = unlink1(dev, pipe, len, 1); |
1da177e4 | 1342 | if (!retval) |
fabbf219 | 1343 | retval = unlink1(dev, pipe, len, 0); |
1da177e4 LT |
1344 | return retval; |
1345 | } | |
1346 | ||
1347 | /*-------------------------------------------------------------------------*/ | |
1348 | ||
869410f8 AS |
1349 | struct queued_ctx { |
1350 | struct completion complete; | |
1351 | atomic_t pending; | |
1352 | unsigned num; | |
1353 | int status; | |
1354 | struct urb **urbs; | |
1355 | }; | |
1356 | ||
1357 | static void unlink_queued_callback(struct urb *urb) | |
1358 | { | |
1359 | int status = urb->status; | |
1360 | struct queued_ctx *ctx = urb->context; | |
1361 | ||
1362 | if (ctx->status) | |
1363 | goto done; | |
1364 | if (urb == ctx->urbs[ctx->num - 4] || urb == ctx->urbs[ctx->num - 2]) { | |
1365 | if (status == -ECONNRESET) | |
1366 | goto done; | |
1367 | /* What error should we report if the URB completed normally? */ | |
1368 | } | |
1369 | if (status != 0) | |
1370 | ctx->status = status; | |
1371 | ||
1372 | done: | |
1373 | if (atomic_dec_and_test(&ctx->pending)) | |
1374 | complete(&ctx->complete); | |
1375 | } | |
1376 | ||
1377 | static int unlink_queued(struct usbtest_dev *dev, int pipe, unsigned num, | |
1378 | unsigned size) | |
1379 | { | |
1380 | struct queued_ctx ctx; | |
1381 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1382 | void *buf; | |
1383 | dma_addr_t buf_dma; | |
1384 | int i; | |
1385 | int retval = -ENOMEM; | |
1386 | ||
1387 | init_completion(&ctx.complete); | |
1388 | atomic_set(&ctx.pending, 1); /* One more than the actual value */ | |
1389 | ctx.num = num; | |
1390 | ctx.status = 0; | |
1391 | ||
1392 | buf = usb_alloc_coherent(udev, size, GFP_KERNEL, &buf_dma); | |
1393 | if (!buf) | |
1394 | return retval; | |
1395 | memset(buf, 0, size); | |
1396 | ||
1397 | /* Allocate and init the urbs we'll queue */ | |
1398 | ctx.urbs = kcalloc(num, sizeof(struct urb *), GFP_KERNEL); | |
1399 | if (!ctx.urbs) | |
1400 | goto free_buf; | |
1401 | for (i = 0; i < num; i++) { | |
1402 | ctx.urbs[i] = usb_alloc_urb(0, GFP_KERNEL); | |
1403 | if (!ctx.urbs[i]) | |
1404 | goto free_urbs; | |
1405 | usb_fill_bulk_urb(ctx.urbs[i], udev, pipe, buf, size, | |
1406 | unlink_queued_callback, &ctx); | |
1407 | ctx.urbs[i]->transfer_dma = buf_dma; | |
1408 | ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; | |
1409 | } | |
1410 | ||
1411 | /* Submit all the URBs and then unlink URBs num - 4 and num - 2. */ | |
1412 | for (i = 0; i < num; i++) { | |
1413 | atomic_inc(&ctx.pending); | |
1414 | retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL); | |
1415 | if (retval != 0) { | |
1416 | dev_err(&dev->intf->dev, "submit urbs[%d] fail %d\n", | |
1417 | i, retval); | |
1418 | atomic_dec(&ctx.pending); | |
1419 | ctx.status = retval; | |
1420 | break; | |
1421 | } | |
1422 | } | |
1423 | if (i == num) { | |
1424 | usb_unlink_urb(ctx.urbs[num - 4]); | |
1425 | usb_unlink_urb(ctx.urbs[num - 2]); | |
1426 | } else { | |
1427 | while (--i >= 0) | |
1428 | usb_unlink_urb(ctx.urbs[i]); | |
1429 | } | |
1430 | ||
1431 | if (atomic_dec_and_test(&ctx.pending)) /* The extra count */ | |
1432 | complete(&ctx.complete); | |
1433 | wait_for_completion(&ctx.complete); | |
1434 | retval = ctx.status; | |
1435 | ||
1436 | free_urbs: | |
1437 | for (i = 0; i < num; i++) | |
1438 | usb_free_urb(ctx.urbs[i]); | |
1439 | kfree(ctx.urbs); | |
1440 | free_buf: | |
1441 | usb_free_coherent(udev, size, buf, buf_dma); | |
1442 | return retval; | |
1443 | } | |
1444 | ||
1445 | /*-------------------------------------------------------------------------*/ | |
1446 | ||
28ffd79c | 1447 | static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1448 | { |
1449 | int retval; | |
1450 | u16 status; | |
1451 | ||
1452 | /* shouldn't look or act halted */ | |
fabbf219 | 1453 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1454 | if (retval < 0) { |
28ffd79c DB |
1455 | ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", |
1456 | ep, retval); | |
1da177e4 LT |
1457 | return retval; |
1458 | } | |
1459 | if (status != 0) { | |
28ffd79c | 1460 | ERROR(tdev, "ep %02x bogus status: %04x != 0\n", ep, status); |
1da177e4 LT |
1461 | return -EINVAL; |
1462 | } | |
28ffd79c | 1463 | retval = simple_io(tdev, urb, 1, 0, 0, __func__); |
1da177e4 LT |
1464 | if (retval != 0) |
1465 | return -EINVAL; | |
1466 | return 0; | |
1467 | } | |
1468 | ||
28ffd79c | 1469 | static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1470 | { |
1471 | int retval; | |
1472 | u16 status; | |
1473 | ||
1474 | /* should look and act halted */ | |
fabbf219 | 1475 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
1da177e4 | 1476 | if (retval < 0) { |
28ffd79c DB |
1477 | ERROR(tdev, "ep %02x couldn't get halt status, %d\n", |
1478 | ep, retval); | |
1da177e4 LT |
1479 | return retval; |
1480 | } | |
1481 | if (status != 1) { | |
28ffd79c | 1482 | ERROR(tdev, "ep %02x bogus status: %04x != 1\n", ep, status); |
1da177e4 LT |
1483 | return -EINVAL; |
1484 | } | |
28ffd79c | 1485 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__); |
1da177e4 LT |
1486 | if (retval != -EPIPE) |
1487 | return -EINVAL; | |
28ffd79c | 1488 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted"); |
1da177e4 LT |
1489 | if (retval != -EPIPE) |
1490 | return -EINVAL; | |
1491 | return 0; | |
1492 | } | |
1493 | ||
28ffd79c | 1494 | static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) |
1da177e4 LT |
1495 | { |
1496 | int retval; | |
1497 | ||
1498 | /* shouldn't look or act halted now */ | |
28ffd79c | 1499 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1500 | if (retval < 0) |
1501 | return retval; | |
1502 | ||
1503 | /* set halt (protocol test only), verify it worked */ | |
fabbf219 | 1504 | retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0), |
1da177e4 LT |
1505 | USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, |
1506 | USB_ENDPOINT_HALT, ep, | |
1507 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
1508 | if (retval < 0) { | |
28ffd79c | 1509 | ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval); |
1da177e4 LT |
1510 | return retval; |
1511 | } | |
28ffd79c | 1512 | retval = verify_halted(tdev, ep, urb); |
1da177e4 LT |
1513 | if (retval < 0) |
1514 | return retval; | |
1515 | ||
1516 | /* clear halt (tests API + protocol), verify it worked */ | |
fabbf219 | 1517 | retval = usb_clear_halt(urb->dev, urb->pipe); |
1da177e4 | 1518 | if (retval < 0) { |
28ffd79c | 1519 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval); |
1da177e4 LT |
1520 | return retval; |
1521 | } | |
28ffd79c | 1522 | retval = verify_not_halted(tdev, ep, urb); |
1da177e4 LT |
1523 | if (retval < 0) |
1524 | return retval; | |
1525 | ||
1526 | /* NOTE: could also verify SET_INTERFACE clear halts ... */ | |
1527 | ||
1528 | return 0; | |
1529 | } | |
1530 | ||
fabbf219 | 1531 | static int halt_simple(struct usbtest_dev *dev) |
1da177e4 | 1532 | { |
6a23ccd2 PZ |
1533 | int ep; |
1534 | int retval = 0; | |
1535 | struct urb *urb; | |
1536 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1da177e4 | 1537 | |
6a23ccd2 PZ |
1538 | if (udev->speed == USB_SPEED_SUPER) |
1539 | urb = simple_alloc_urb(udev, 0, 1024); | |
1540 | else | |
1541 | urb = simple_alloc_urb(udev, 0, 512); | |
1da177e4 LT |
1542 | if (urb == NULL) |
1543 | return -ENOMEM; | |
1544 | ||
1545 | if (dev->in_pipe) { | |
fabbf219 | 1546 | ep = usb_pipeendpoint(dev->in_pipe) | USB_DIR_IN; |
1da177e4 | 1547 | urb->pipe = dev->in_pipe; |
28ffd79c | 1548 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1549 | if (retval < 0) |
1550 | goto done; | |
1551 | } | |
1552 | ||
1553 | if (dev->out_pipe) { | |
fabbf219 | 1554 | ep = usb_pipeendpoint(dev->out_pipe); |
1da177e4 | 1555 | urb->pipe = dev->out_pipe; |
28ffd79c | 1556 | retval = test_halt(dev, ep, urb); |
1da177e4 LT |
1557 | } |
1558 | done: | |
fabbf219 | 1559 | simple_free_urb(urb); |
1da177e4 LT |
1560 | return retval; |
1561 | } | |
1562 | ||
1563 | /*-------------------------------------------------------------------------*/ | |
1564 | ||
1565 | /* Control OUT tests use the vendor control requests from Intel's | |
1566 | * USB 2.0 compliance test device: write a buffer, read it back. | |
1567 | * | |
1568 | * Intel's spec only _requires_ that it work for one packet, which | |
1569 | * is pretty weak. Some HCDs place limits here; most devices will | |
1570 | * need to be able to handle more than one OUT data packet. We'll | |
1571 | * try whatever we're told to try. | |
1572 | */ | |
fabbf219 | 1573 | static int ctrl_out(struct usbtest_dev *dev, |
084fb206 | 1574 | unsigned count, unsigned length, unsigned vary, unsigned offset) |
1da177e4 | 1575 | { |
f54fa84d OF |
1576 | unsigned i, j, len; |
1577 | int retval; | |
1da177e4 LT |
1578 | u8 *buf; |
1579 | char *what = "?"; | |
1580 | struct usb_device *udev; | |
f54fa84d | 1581 | |
ff7c79e4 | 1582 | if (length < 1 || length > 0xffff || vary >= length) |
1da177e4 LT |
1583 | return -EINVAL; |
1584 | ||
084fb206 | 1585 | buf = kmalloc(length + offset, GFP_KERNEL); |
1da177e4 LT |
1586 | if (!buf) |
1587 | return -ENOMEM; | |
1588 | ||
084fb206 | 1589 | buf += offset; |
fabbf219 | 1590 | udev = testdev_to_usbdev(dev); |
1da177e4 LT |
1591 | len = length; |
1592 | retval = 0; | |
1593 | ||
1594 | /* NOTE: hardware might well act differently if we pushed it | |
1595 | * with lots back-to-back queued requests. | |
1596 | */ | |
1597 | for (i = 0; i < count; i++) { | |
1598 | /* write patterned data */ | |
1599 | for (j = 0; j < len; j++) | |
fabbf219 MF |
1600 | buf[j] = i + j; |
1601 | retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
1da177e4 LT |
1602 | 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, |
1603 | 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); | |
1604 | if (retval != len) { | |
1605 | what = "write"; | |
ff7c79e4 | 1606 | if (retval >= 0) { |
28ffd79c | 1607 | ERROR(dev, "ctrl_out, wlen %d (expected %d)\n", |
ff7c79e4 DB |
1608 | retval, len); |
1609 | retval = -EBADMSG; | |
1610 | } | |
1da177e4 LT |
1611 | break; |
1612 | } | |
1613 | ||
1614 | /* read it back -- assuming nothing intervened!! */ | |
fabbf219 | 1615 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1da177e4 LT |
1616 | 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, |
1617 | 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); | |
1618 | if (retval != len) { | |
1619 | what = "read"; | |
ff7c79e4 | 1620 | if (retval >= 0) { |
28ffd79c | 1621 | ERROR(dev, "ctrl_out, rlen %d (expected %d)\n", |
ff7c79e4 DB |
1622 | retval, len); |
1623 | retval = -EBADMSG; | |
1624 | } | |
1da177e4 LT |
1625 | break; |
1626 | } | |
1627 | ||
1628 | /* fail if we can't verify */ | |
1629 | for (j = 0; j < len; j++) { | |
fabbf219 | 1630 | if (buf[j] != (u8) (i + j)) { |
28ffd79c | 1631 | ERROR(dev, "ctrl_out, byte %d is %d not %d\n", |
fabbf219 | 1632 | j, buf[j], (u8) i + j); |
1da177e4 LT |
1633 | retval = -EBADMSG; |
1634 | break; | |
1635 | } | |
1636 | } | |
1637 | if (retval < 0) { | |
1638 | what = "verify"; | |
1639 | break; | |
1640 | } | |
1641 | ||
1642 | len += vary; | |
ff7c79e4 DB |
1643 | |
1644 | /* [real world] the "zero bytes IN" case isn't really used. | |
dc0d5c1e | 1645 | * hardware can easily trip up in this weird case, since its |
ff7c79e4 DB |
1646 | * status stage is IN, not OUT like other ep0in transfers. |
1647 | */ | |
1da177e4 | 1648 | if (len > length) |
ff7c79e4 | 1649 | len = realworld ? 1 : 0; |
1da177e4 LT |
1650 | } |
1651 | ||
1652 | if (retval < 0) | |
fabbf219 | 1653 | ERROR(dev, "ctrl_out %s failed, code %d, count %d\n", |
1da177e4 LT |
1654 | what, retval, i); |
1655 | ||
084fb206 | 1656 | kfree(buf - offset); |
1da177e4 LT |
1657 | return retval; |
1658 | } | |
1659 | ||
1660 | /*-------------------------------------------------------------------------*/ | |
1661 | ||
1662 | /* ISO tests ... mimics common usage | |
1663 | * - buffer length is split into N packets (mostly maxpacket sized) | |
1664 | * - multi-buffers according to sglen | |
1665 | */ | |
1666 | ||
1667 | struct iso_context { | |
1668 | unsigned count; | |
1669 | unsigned pending; | |
1670 | spinlock_t lock; | |
1671 | struct completion done; | |
9da2150f | 1672 | int submit_error; |
1da177e4 | 1673 | unsigned long errors; |
9da2150f | 1674 | unsigned long packet_count; |
1da177e4 LT |
1675 | struct usbtest_dev *dev; |
1676 | }; | |
1677 | ||
fabbf219 | 1678 | static void iso_callback(struct urb *urb) |
1da177e4 LT |
1679 | { |
1680 | struct iso_context *ctx = urb->context; | |
1681 | ||
1682 | spin_lock(&ctx->lock); | |
1683 | ctx->count--; | |
1684 | ||
9da2150f | 1685 | ctx->packet_count += urb->number_of_packets; |
1da177e4 LT |
1686 | if (urb->error_count > 0) |
1687 | ctx->errors += urb->error_count; | |
9da2150f AS |
1688 | else if (urb->status != 0) |
1689 | ctx->errors += urb->number_of_packets; | |
40aed524 MF |
1690 | else if (urb->actual_length != urb->transfer_buffer_length) |
1691 | ctx->errors++; | |
084fb206 MF |
1692 | else if (check_guard_bytes(ctx->dev, urb) != 0) |
1693 | ctx->errors++; | |
1da177e4 | 1694 | |
9da2150f AS |
1695 | if (urb->status == 0 && ctx->count > (ctx->pending - 1) |
1696 | && !ctx->submit_error) { | |
fabbf219 | 1697 | int status = usb_submit_urb(urb, GFP_ATOMIC); |
1da177e4 LT |
1698 | switch (status) { |
1699 | case 0: | |
1700 | goto done; | |
1701 | default: | |
28ffd79c | 1702 | dev_err(&ctx->dev->intf->dev, |
1da177e4 LT |
1703 | "iso resubmit err %d\n", |
1704 | status); | |
1705 | /* FALLTHROUGH */ | |
1706 | case -ENODEV: /* disconnected */ | |
9da2150f AS |
1707 | case -ESHUTDOWN: /* endpoint disabled */ |
1708 | ctx->submit_error = 1; | |
1da177e4 LT |
1709 | break; |
1710 | } | |
1711 | } | |
1da177e4 LT |
1712 | |
1713 | ctx->pending--; | |
1714 | if (ctx->pending == 0) { | |
1715 | if (ctx->errors) | |
28ffd79c | 1716 | dev_err(&ctx->dev->intf->dev, |
9da2150f AS |
1717 | "iso test, %lu errors out of %lu\n", |
1718 | ctx->errors, ctx->packet_count); | |
fabbf219 | 1719 | complete(&ctx->done); |
1da177e4 LT |
1720 | } |
1721 | done: | |
1722 | spin_unlock(&ctx->lock); | |
1723 | } | |
1724 | ||
fabbf219 | 1725 | static struct urb *iso_alloc_urb( |
1da177e4 LT |
1726 | struct usb_device *udev, |
1727 | int pipe, | |
1728 | struct usb_endpoint_descriptor *desc, | |
084fb206 MF |
1729 | long bytes, |
1730 | unsigned offset | |
1da177e4 LT |
1731 | ) |
1732 | { | |
1733 | struct urb *urb; | |
1734 | unsigned i, maxp, packets; | |
1735 | ||
1736 | if (bytes < 0 || !desc) | |
1737 | return NULL; | |
29cc8897 KM |
1738 | maxp = 0x7ff & usb_endpoint_maxp(desc); |
1739 | maxp *= 1 + (0x3 & (usb_endpoint_maxp(desc) >> 11)); | |
dfa5ec79 | 1740 | packets = DIV_ROUND_UP(bytes, maxp); |
1da177e4 | 1741 | |
fabbf219 | 1742 | urb = usb_alloc_urb(packets, GFP_KERNEL); |
1da177e4 LT |
1743 | if (!urb) |
1744 | return urb; | |
1745 | urb->dev = udev; | |
1746 | urb->pipe = pipe; | |
1747 | ||
1748 | urb->number_of_packets = packets; | |
1749 | urb->transfer_buffer_length = bytes; | |
084fb206 MF |
1750 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, |
1751 | GFP_KERNEL, | |
1752 | &urb->transfer_dma); | |
1da177e4 | 1753 | if (!urb->transfer_buffer) { |
fabbf219 | 1754 | usb_free_urb(urb); |
1da177e4 LT |
1755 | return NULL; |
1756 | } | |
084fb206 MF |
1757 | if (offset) { |
1758 | memset(urb->transfer_buffer, GUARD_BYTE, offset); | |
1759 | urb->transfer_buffer += offset; | |
1760 | urb->transfer_dma += offset; | |
1761 | } | |
1762 | /* For inbound transfers use guard byte so that test fails if | |
1763 | data not correctly copied */ | |
1764 | memset(urb->transfer_buffer, | |
1765 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, | |
1766 | bytes); | |
1767 | ||
1da177e4 LT |
1768 | for (i = 0; i < packets; i++) { |
1769 | /* here, only the last packet will be short */ | |
fabbf219 | 1770 | urb->iso_frame_desc[i].length = min((unsigned) bytes, maxp); |
1da177e4 LT |
1771 | bytes -= urb->iso_frame_desc[i].length; |
1772 | ||
1773 | urb->iso_frame_desc[i].offset = maxp * i; | |
1774 | } | |
1775 | ||
1776 | urb->complete = iso_callback; | |
fabbf219 | 1777 | /* urb->context = SET BY CALLER */ |
1da177e4 LT |
1778 | urb->interval = 1 << (desc->bInterval - 1); |
1779 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; | |
1780 | return urb; | |
1781 | } | |
1782 | ||
1783 | static int | |
fabbf219 | 1784 | test_iso_queue(struct usbtest_dev *dev, struct usbtest_param *param, |
084fb206 | 1785 | int pipe, struct usb_endpoint_descriptor *desc, unsigned offset) |
1da177e4 LT |
1786 | { |
1787 | struct iso_context context; | |
1788 | struct usb_device *udev; | |
1789 | unsigned i; | |
1790 | unsigned long packets = 0; | |
9da2150f | 1791 | int status = 0; |
1da177e4 LT |
1792 | struct urb *urbs[10]; /* FIXME no limit */ |
1793 | ||
1794 | if (param->sglen > 10) | |
1795 | return -EDOM; | |
1796 | ||
f55055b4 | 1797 | memset(&context, 0, sizeof(context)); |
1da177e4 | 1798 | context.count = param->iterations * param->sglen; |
1da177e4 | 1799 | context.dev = dev; |
fabbf219 MF |
1800 | init_completion(&context.done); |
1801 | spin_lock_init(&context.lock); | |
1da177e4 | 1802 | |
f55055b4 | 1803 | memset(urbs, 0, sizeof(urbs)); |
fabbf219 | 1804 | udev = testdev_to_usbdev(dev); |
28ffd79c | 1805 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1806 | "... iso period %d %sframes, wMaxPacket %04x\n", |
1807 | 1 << (desc->bInterval - 1), | |
1808 | (udev->speed == USB_SPEED_HIGH) ? "micro" : "", | |
29cc8897 | 1809 | usb_endpoint_maxp(desc)); |
1da177e4 LT |
1810 | |
1811 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 | 1812 | urbs[i] = iso_alloc_urb(udev, pipe, desc, |
084fb206 | 1813 | param->length, offset); |
fabbf219 | 1814 | if (!urbs[i]) { |
1da177e4 LT |
1815 | status = -ENOMEM; |
1816 | goto fail; | |
1817 | } | |
1818 | packets += urbs[i]->number_of_packets; | |
fabbf219 | 1819 | urbs[i]->context = &context; |
1da177e4 LT |
1820 | } |
1821 | packets *= param->iterations; | |
28ffd79c | 1822 | dev_info(&dev->intf->dev, |
1da177e4 LT |
1823 | "... total %lu msec (%lu packets)\n", |
1824 | (packets * (1 << (desc->bInterval - 1))) | |
1825 | / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), | |
1826 | packets); | |
1827 | ||
fabbf219 | 1828 | spin_lock_irq(&context.lock); |
1da177e4 | 1829 | for (i = 0; i < param->sglen; i++) { |
9da2150f | 1830 | ++context.pending; |
fabbf219 | 1831 | status = usb_submit_urb(urbs[i], GFP_ATOMIC); |
1da177e4 | 1832 | if (status < 0) { |
fabbf219 | 1833 | ERROR(dev, "submit iso[%d], error %d\n", i, status); |
1da177e4 | 1834 | if (i == 0) { |
fabbf219 | 1835 | spin_unlock_irq(&context.lock); |
1da177e4 LT |
1836 | goto fail; |
1837 | } | |
1838 | ||
fabbf219 | 1839 | simple_free_urb(urbs[i]); |
e10e1bec | 1840 | urbs[i] = NULL; |
1da177e4 | 1841 | context.pending--; |
9da2150f AS |
1842 | context.submit_error = 1; |
1843 | break; | |
1da177e4 LT |
1844 | } |
1845 | } | |
fabbf219 | 1846 | spin_unlock_irq(&context.lock); |
1da177e4 | 1847 | |
fabbf219 | 1848 | wait_for_completion(&context.done); |
9da2150f | 1849 | |
e10e1bec ML |
1850 | for (i = 0; i < param->sglen; i++) { |
1851 | if (urbs[i]) | |
1852 | simple_free_urb(urbs[i]); | |
1853 | } | |
9da2150f AS |
1854 | /* |
1855 | * Isochronous transfers are expected to fail sometimes. As an | |
1856 | * arbitrary limit, we will report an error if any submissions | |
1857 | * fail or if the transfer failure rate is > 10%. | |
1858 | */ | |
1859 | if (status != 0) | |
1860 | ; | |
1861 | else if (context.submit_error) | |
1862 | status = -EACCES; | |
1863 | else if (context.errors > context.packet_count / 10) | |
1864 | status = -EIO; | |
1865 | return status; | |
1da177e4 LT |
1866 | |
1867 | fail: | |
1868 | for (i = 0; i < param->sglen; i++) { | |
fabbf219 MF |
1869 | if (urbs[i]) |
1870 | simple_free_urb(urbs[i]); | |
1da177e4 LT |
1871 | } |
1872 | return status; | |
1873 | } | |
1874 | ||
084fb206 MF |
1875 | static int test_unaligned_bulk( |
1876 | struct usbtest_dev *tdev, | |
1877 | int pipe, | |
1878 | unsigned length, | |
1879 | int iterations, | |
1880 | unsigned transfer_flags, | |
1881 | const char *label) | |
1882 | { | |
1883 | int retval; | |
1884 | struct urb *urb = usbtest_alloc_urb( | |
1885 | testdev_to_usbdev(tdev), pipe, length, transfer_flags, 1); | |
1886 | ||
1887 | if (!urb) | |
1888 | return -ENOMEM; | |
1889 | ||
1890 | retval = simple_io(tdev, urb, iterations, 0, 0, label); | |
1891 | simple_free_urb(urb); | |
1892 | return retval; | |
1893 | } | |
1894 | ||
1da177e4 LT |
1895 | /*-------------------------------------------------------------------------*/ |
1896 | ||
1897 | /* We only have this one interface to user space, through usbfs. | |
1898 | * User mode code can scan usbfs to find N different devices (maybe on | |
1899 | * different busses) to use when testing, and allocate one thread per | |
1900 | * test. So discovery is simplified, and we have no device naming issues. | |
1901 | * | |
1902 | * Don't use these only as stress/load tests. Use them along with with | |
1903 | * other USB bus activity: plugging, unplugging, mousing, mp3 playback, | |
1904 | * video capture, and so on. Run different tests at different times, in | |
1905 | * different sequences. Nothing here should interact with other devices, | |
1906 | * except indirectly by consuming USB bandwidth and CPU resources for test | |
1907 | * threads and request completion. But the only way to know that for sure | |
1908 | * is to test when HC queues are in use by many devices. | |
28ffd79c DB |
1909 | * |
1910 | * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(), | |
1911 | * it locks out usbcore in certain code paths. Notably, if you disconnect | |
1912 | * the device-under-test, khubd will wait block forever waiting for the | |
1913 | * ioctl to complete ... so that usb_disconnect() can abort the pending | |
1914 | * urbs and then call usbtest_disconnect(). To abort a test, you're best | |
1915 | * off just killing the userspace task and waiting for it to exit. | |
1da177e4 LT |
1916 | */ |
1917 | ||
1918 | static int | |
fabbf219 | 1919 | usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) |
1da177e4 | 1920 | { |
fabbf219 MF |
1921 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1922 | struct usb_device *udev = testdev_to_usbdev(dev); | |
1da177e4 LT |
1923 | struct usbtest_param *param = buf; |
1924 | int retval = -EOPNOTSUPP; | |
1925 | struct urb *urb; | |
1926 | struct scatterlist *sg; | |
1927 | struct usb_sg_request req; | |
1928 | struct timeval start; | |
1929 | unsigned i; | |
1930 | ||
fabbf219 | 1931 | /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */ |
1da177e4 | 1932 | |
7f4e9854 VP |
1933 | pattern = mod_pattern; |
1934 | ||
1da177e4 LT |
1935 | if (code != USBTEST_REQUEST) |
1936 | return -EOPNOTSUPP; | |
1937 | ||
8aafdf6a | 1938 | if (param->iterations <= 0) |
1da177e4 LT |
1939 | return -EINVAL; |
1940 | ||
1cfab028 | 1941 | if (mutex_lock_interruptible(&dev->lock)) |
1da177e4 LT |
1942 | return -ERESTARTSYS; |
1943 | ||
70a1c9e0 | 1944 | /* FIXME: What if a system sleep starts while a test is running? */ |
ff7c79e4 | 1945 | |
1da177e4 LT |
1946 | /* some devices, like ez-usb default devices, need a non-default |
1947 | * altsetting to have any active endpoints. some tests change | |
1948 | * altsettings; force a default so most tests don't need to check. | |
1949 | */ | |
1950 | if (dev->info->alt >= 0) { | |
28ffd79c | 1951 | int res; |
1da177e4 LT |
1952 | |
1953 | if (intf->altsetting->desc.bInterfaceNumber) { | |
1cfab028 | 1954 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1955 | return -ENODEV; |
1956 | } | |
fabbf219 | 1957 | res = set_altsetting(dev, dev->info->alt); |
1da177e4 | 1958 | if (res) { |
fabbf219 | 1959 | dev_err(&intf->dev, |
1da177e4 LT |
1960 | "set altsetting to %d failed, %d\n", |
1961 | dev->info->alt, res); | |
1cfab028 | 1962 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1963 | return res; |
1964 | } | |
1965 | } | |
1966 | ||
1967 | /* | |
1968 | * Just a bunch of test cases that every HCD is expected to handle. | |
1969 | * | |
1970 | * Some may need specific firmware, though it'd be good to have | |
1971 | * one firmware image to handle all the test cases. | |
1972 | * | |
1973 | * FIXME add more tests! cancel requests, verify the data, control | |
1974 | * queueing, concurrent read+write threads, and so on. | |
1975 | */ | |
fabbf219 | 1976 | do_gettimeofday(&start); |
1da177e4 LT |
1977 | switch (param->test_num) { |
1978 | ||
1979 | case 0: | |
28ffd79c | 1980 | dev_info(&intf->dev, "TEST 0: NOP\n"); |
1da177e4 LT |
1981 | retval = 0; |
1982 | break; | |
1983 | ||
1984 | /* Simple non-queued bulk I/O tests */ | |
1985 | case 1: | |
1986 | if (dev->out_pipe == 0) | |
1987 | break; | |
28ffd79c | 1988 | dev_info(&intf->dev, |
1da177e4 LT |
1989 | "TEST 1: write %d bytes %u times\n", |
1990 | param->length, param->iterations); | |
fabbf219 | 1991 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
1992 | if (!urb) { |
1993 | retval = -ENOMEM; | |
1994 | break; | |
1995 | } | |
fabbf219 | 1996 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 1997 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test1"); |
fabbf219 | 1998 | simple_free_urb(urb); |
1da177e4 LT |
1999 | break; |
2000 | case 2: | |
2001 | if (dev->in_pipe == 0) | |
2002 | break; | |
28ffd79c | 2003 | dev_info(&intf->dev, |
1da177e4 LT |
2004 | "TEST 2: read %d bytes %u times\n", |
2005 | param->length, param->iterations); | |
fabbf219 | 2006 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
2007 | if (!urb) { |
2008 | retval = -ENOMEM; | |
2009 | break; | |
2010 | } | |
fabbf219 | 2011 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2012 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test2"); |
fabbf219 | 2013 | simple_free_urb(urb); |
1da177e4 LT |
2014 | break; |
2015 | case 3: | |
2016 | if (dev->out_pipe == 0 || param->vary == 0) | |
2017 | break; | |
28ffd79c | 2018 | dev_info(&intf->dev, |
1da177e4 LT |
2019 | "TEST 3: write/%d 0..%d bytes %u times\n", |
2020 | param->vary, param->length, param->iterations); | |
fabbf219 | 2021 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length); |
1da177e4 LT |
2022 | if (!urb) { |
2023 | retval = -ENOMEM; | |
2024 | break; | |
2025 | } | |
fabbf219 | 2026 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 2027 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 2028 | 0, "test3"); |
fabbf219 | 2029 | simple_free_urb(urb); |
1da177e4 LT |
2030 | break; |
2031 | case 4: | |
2032 | if (dev->in_pipe == 0 || param->vary == 0) | |
2033 | break; | |
28ffd79c | 2034 | dev_info(&intf->dev, |
1da177e4 LT |
2035 | "TEST 4: read/%d 0..%d bytes %u times\n", |
2036 | param->vary, param->length, param->iterations); | |
fabbf219 | 2037 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length); |
1da177e4 LT |
2038 | if (!urb) { |
2039 | retval = -ENOMEM; | |
2040 | break; | |
2041 | } | |
fabbf219 | 2042 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2043 | retval = simple_io(dev, urb, param->iterations, param->vary, |
1da177e4 | 2044 | 0, "test4"); |
fabbf219 | 2045 | simple_free_urb(urb); |
1da177e4 LT |
2046 | break; |
2047 | ||
2048 | /* Queued bulk I/O tests */ | |
2049 | case 5: | |
2050 | if (dev->out_pipe == 0 || param->sglen == 0) | |
2051 | break; | |
28ffd79c | 2052 | dev_info(&intf->dev, |
1da177e4 LT |
2053 | "TEST 5: write %d sglists %d entries of %d bytes\n", |
2054 | param->iterations, | |
2055 | param->sglen, param->length); | |
fabbf219 | 2056 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
2057 | if (!sg) { |
2058 | retval = -ENOMEM; | |
2059 | break; | |
2060 | } | |
fabbf219 | 2061 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 2062 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 2063 | &req, sg, param->sglen); |
fabbf219 | 2064 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2065 | break; |
2066 | ||
2067 | case 6: | |
2068 | if (dev->in_pipe == 0 || param->sglen == 0) | |
2069 | break; | |
28ffd79c | 2070 | dev_info(&intf->dev, |
1da177e4 LT |
2071 | "TEST 6: read %d sglists %d entries of %d bytes\n", |
2072 | param->iterations, | |
2073 | param->sglen, param->length); | |
fabbf219 | 2074 | sg = alloc_sglist(param->sglen, param->length, 0); |
1da177e4 LT |
2075 | if (!sg) { |
2076 | retval = -ENOMEM; | |
2077 | break; | |
2078 | } | |
fabbf219 | 2079 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2080 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 2081 | &req, sg, param->sglen); |
fabbf219 | 2082 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2083 | break; |
2084 | case 7: | |
2085 | if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
2086 | break; | |
28ffd79c | 2087 | dev_info(&intf->dev, |
1da177e4 LT |
2088 | "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", |
2089 | param->vary, param->iterations, | |
2090 | param->sglen, param->length); | |
fabbf219 | 2091 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
2092 | if (!sg) { |
2093 | retval = -ENOMEM; | |
2094 | break; | |
2095 | } | |
fabbf219 | 2096 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
28ffd79c | 2097 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
1da177e4 | 2098 | &req, sg, param->sglen); |
fabbf219 | 2099 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2100 | break; |
2101 | case 8: | |
2102 | if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) | |
2103 | break; | |
28ffd79c | 2104 | dev_info(&intf->dev, |
1da177e4 LT |
2105 | "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", |
2106 | param->vary, param->iterations, | |
2107 | param->sglen, param->length); | |
fabbf219 | 2108 | sg = alloc_sglist(param->sglen, param->length, param->vary); |
1da177e4 LT |
2109 | if (!sg) { |
2110 | retval = -ENOMEM; | |
2111 | break; | |
2112 | } | |
fabbf219 | 2113 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
28ffd79c | 2114 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
1da177e4 | 2115 | &req, sg, param->sglen); |
fabbf219 | 2116 | free_sglist(sg, param->sglen); |
1da177e4 LT |
2117 | break; |
2118 | ||
2119 | /* non-queued sanity tests for control (chapter 9 subset) */ | |
2120 | case 9: | |
2121 | retval = 0; | |
28ffd79c | 2122 | dev_info(&intf->dev, |
1da177e4 LT |
2123 | "TEST 9: ch9 (subset) control tests, %d times\n", |
2124 | param->iterations); | |
2125 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2126 | retval = ch9_postconfig(dev); |
1da177e4 | 2127 | if (retval) |
28ffd79c DB |
2128 | dev_err(&intf->dev, "ch9 subset failed, " |
2129 | "iterations left %d\n", i); | |
1da177e4 LT |
2130 | break; |
2131 | ||
2132 | /* queued control messaging */ | |
2133 | case 10: | |
1da177e4 | 2134 | retval = 0; |
28ffd79c | 2135 | dev_info(&intf->dev, |
1da177e4 LT |
2136 | "TEST 10: queue %d control calls, %d times\n", |
2137 | param->sglen, | |
2138 | param->iterations); | |
fabbf219 | 2139 | retval = test_ctrl_queue(dev, param); |
1da177e4 LT |
2140 | break; |
2141 | ||
2142 | /* simple non-queued unlinks (ring with one urb) */ | |
2143 | case 11: | |
2144 | if (dev->in_pipe == 0 || !param->length) | |
2145 | break; | |
2146 | retval = 0; | |
28ffd79c | 2147 | dev_info(&intf->dev, "TEST 11: unlink %d reads of %d\n", |
1da177e4 LT |
2148 | param->iterations, param->length); |
2149 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2150 | retval = unlink_simple(dev, dev->in_pipe, |
1da177e4 LT |
2151 | param->length); |
2152 | if (retval) | |
28ffd79c | 2153 | dev_err(&intf->dev, "unlink reads failed %d, " |
1da177e4 LT |
2154 | "iterations left %d\n", retval, i); |
2155 | break; | |
2156 | case 12: | |
2157 | if (dev->out_pipe == 0 || !param->length) | |
2158 | break; | |
2159 | retval = 0; | |
28ffd79c | 2160 | dev_info(&intf->dev, "TEST 12: unlink %d writes of %d\n", |
1da177e4 LT |
2161 | param->iterations, param->length); |
2162 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2163 | retval = unlink_simple(dev, dev->out_pipe, |
1da177e4 LT |
2164 | param->length); |
2165 | if (retval) | |
28ffd79c | 2166 | dev_err(&intf->dev, "unlink writes failed %d, " |
1da177e4 LT |
2167 | "iterations left %d\n", retval, i); |
2168 | break; | |
2169 | ||
2170 | /* ep halt tests */ | |
2171 | case 13: | |
2172 | if (dev->out_pipe == 0 && dev->in_pipe == 0) | |
2173 | break; | |
2174 | retval = 0; | |
28ffd79c | 2175 | dev_info(&intf->dev, "TEST 13: set/clear %d halts\n", |
1da177e4 LT |
2176 | param->iterations); |
2177 | for (i = param->iterations; retval == 0 && i--; /* NOP */) | |
fabbf219 | 2178 | retval = halt_simple(dev); |
28ffd79c | 2179 | |
1da177e4 | 2180 | if (retval) |
28ffd79c | 2181 | ERROR(dev, "halts failed, iterations left %d\n", i); |
1da177e4 LT |
2182 | break; |
2183 | ||
2184 | /* control write tests */ | |
2185 | case 14: | |
2186 | if (!dev->info->ctrl_out) | |
2187 | break; | |
28ffd79c | 2188 | dev_info(&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", |
ff7c79e4 DB |
2189 | param->iterations, |
2190 | realworld ? 1 : 0, param->length, | |
2191 | param->vary); | |
28ffd79c | 2192 | retval = ctrl_out(dev, param->iterations, |
084fb206 | 2193 | param->length, param->vary, 0); |
1da177e4 LT |
2194 | break; |
2195 | ||
2196 | /* iso write tests */ | |
2197 | case 15: | |
2198 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2199 | break; | |
28ffd79c | 2200 | dev_info(&intf->dev, |
1da177e4 LT |
2201 | "TEST 15: write %d iso, %d entries of %d bytes\n", |
2202 | param->iterations, | |
2203 | param->sglen, param->length); | |
fabbf219 MF |
2204 | /* FIRMWARE: iso sink */ |
2205 | retval = test_iso_queue(dev, param, | |
084fb206 | 2206 | dev->out_iso_pipe, dev->iso_out, 0); |
1da177e4 LT |
2207 | break; |
2208 | ||
2209 | /* iso read tests */ | |
2210 | case 16: | |
2211 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2212 | break; | |
28ffd79c | 2213 | dev_info(&intf->dev, |
1da177e4 LT |
2214 | "TEST 16: read %d iso, %d entries of %d bytes\n", |
2215 | param->iterations, | |
2216 | param->sglen, param->length); | |
fabbf219 MF |
2217 | /* FIRMWARE: iso source */ |
2218 | retval = test_iso_queue(dev, param, | |
084fb206 | 2219 | dev->in_iso_pipe, dev->iso_in, 0); |
1da177e4 LT |
2220 | break; |
2221 | ||
fabbf219 | 2222 | /* FIXME scatterlist cancel (needs helper thread) */ |
1da177e4 | 2223 | |
084fb206 MF |
2224 | /* Tests for bulk I/O using DMA mapping by core and odd address */ |
2225 | case 17: | |
2226 | if (dev->out_pipe == 0) | |
2227 | break; | |
2228 | dev_info(&intf->dev, | |
2229 | "TEST 17: write odd addr %d bytes %u times core map\n", | |
2230 | param->length, param->iterations); | |
2231 | ||
2232 | retval = test_unaligned_bulk( | |
2233 | dev, dev->out_pipe, | |
2234 | param->length, param->iterations, | |
2235 | 0, "test17"); | |
2236 | break; | |
2237 | ||
2238 | case 18: | |
2239 | if (dev->in_pipe == 0) | |
2240 | break; | |
2241 | dev_info(&intf->dev, | |
2242 | "TEST 18: read odd addr %d bytes %u times core map\n", | |
2243 | param->length, param->iterations); | |
2244 | ||
2245 | retval = test_unaligned_bulk( | |
2246 | dev, dev->in_pipe, | |
2247 | param->length, param->iterations, | |
2248 | 0, "test18"); | |
2249 | break; | |
2250 | ||
2251 | /* Tests for bulk I/O using premapped coherent buffer and odd address */ | |
2252 | case 19: | |
2253 | if (dev->out_pipe == 0) | |
2254 | break; | |
2255 | dev_info(&intf->dev, | |
2256 | "TEST 19: write odd addr %d bytes %u times premapped\n", | |
2257 | param->length, param->iterations); | |
2258 | ||
2259 | retval = test_unaligned_bulk( | |
2260 | dev, dev->out_pipe, | |
2261 | param->length, param->iterations, | |
2262 | URB_NO_TRANSFER_DMA_MAP, "test19"); | |
2263 | break; | |
2264 | ||
2265 | case 20: | |
2266 | if (dev->in_pipe == 0) | |
2267 | break; | |
2268 | dev_info(&intf->dev, | |
2269 | "TEST 20: read odd addr %d bytes %u times premapped\n", | |
2270 | param->length, param->iterations); | |
2271 | ||
2272 | retval = test_unaligned_bulk( | |
2273 | dev, dev->in_pipe, | |
2274 | param->length, param->iterations, | |
2275 | URB_NO_TRANSFER_DMA_MAP, "test20"); | |
2276 | break; | |
2277 | ||
2278 | /* control write tests with unaligned buffer */ | |
2279 | case 21: | |
2280 | if (!dev->info->ctrl_out) | |
2281 | break; | |
2282 | dev_info(&intf->dev, | |
2283 | "TEST 21: %d ep0out odd addr, %d..%d vary %d\n", | |
2284 | param->iterations, | |
2285 | realworld ? 1 : 0, param->length, | |
2286 | param->vary); | |
2287 | retval = ctrl_out(dev, param->iterations, | |
2288 | param->length, param->vary, 1); | |
2289 | break; | |
2290 | ||
2291 | /* unaligned iso tests */ | |
2292 | case 22: | |
2293 | if (dev->out_iso_pipe == 0 || param->sglen == 0) | |
2294 | break; | |
2295 | dev_info(&intf->dev, | |
2296 | "TEST 22: write %d iso odd, %d entries of %d bytes\n", | |
2297 | param->iterations, | |
2298 | param->sglen, param->length); | |
2299 | retval = test_iso_queue(dev, param, | |
2300 | dev->out_iso_pipe, dev->iso_out, 1); | |
2301 | break; | |
2302 | ||
2303 | case 23: | |
2304 | if (dev->in_iso_pipe == 0 || param->sglen == 0) | |
2305 | break; | |
2306 | dev_info(&intf->dev, | |
2307 | "TEST 23: read %d iso odd, %d entries of %d bytes\n", | |
2308 | param->iterations, | |
2309 | param->sglen, param->length); | |
2310 | retval = test_iso_queue(dev, param, | |
2311 | dev->in_iso_pipe, dev->iso_in, 1); | |
2312 | break; | |
2313 | ||
869410f8 AS |
2314 | /* unlink URBs from a bulk-OUT queue */ |
2315 | case 24: | |
2316 | if (dev->out_pipe == 0 || !param->length || param->sglen < 4) | |
2317 | break; | |
2318 | retval = 0; | |
2cb50000 | 2319 | dev_info(&intf->dev, "TEST 24: unlink from %d queues of " |
869410f8 AS |
2320 | "%d %d-byte writes\n", |
2321 | param->iterations, param->sglen, param->length); | |
2322 | for (i = param->iterations; retval == 0 && i > 0; --i) { | |
2323 | retval = unlink_queued(dev, dev->out_pipe, | |
2324 | param->sglen, param->length); | |
2325 | if (retval) { | |
2326 | dev_err(&intf->dev, | |
2327 | "unlink queued writes failed %d, " | |
2328 | "iterations left %d\n", retval, i); | |
2329 | break; | |
2330 | } | |
2331 | } | |
2332 | break; | |
2333 | ||
1da177e4 | 2334 | } |
fabbf219 | 2335 | do_gettimeofday(¶m->duration); |
1da177e4 LT |
2336 | param->duration.tv_sec -= start.tv_sec; |
2337 | param->duration.tv_usec -= start.tv_usec; | |
2338 | if (param->duration.tv_usec < 0) { | |
2339 | param->duration.tv_usec += 1000 * 1000; | |
2340 | param->duration.tv_sec -= 1; | |
2341 | } | |
1cfab028 | 2342 | mutex_unlock(&dev->lock); |
1da177e4 LT |
2343 | return retval; |
2344 | } | |
2345 | ||
2346 | /*-------------------------------------------------------------------------*/ | |
2347 | ||
fabbf219 MF |
2348 | static unsigned force_interrupt; |
2349 | module_param(force_interrupt, uint, 0); | |
2350 | MODULE_PARM_DESC(force_interrupt, "0 = test default; else interrupt"); | |
1da177e4 LT |
2351 | |
2352 | #ifdef GENERIC | |
2353 | static unsigned short vendor; | |
2354 | module_param(vendor, ushort, 0); | |
fabbf219 | 2355 | MODULE_PARM_DESC(vendor, "vendor code (from usb-if)"); |
1da177e4 LT |
2356 | |
2357 | static unsigned short product; | |
2358 | module_param(product, ushort, 0); | |
fabbf219 | 2359 | MODULE_PARM_DESC(product, "product code (from vendor)"); |
1da177e4 LT |
2360 | #endif |
2361 | ||
2362 | static int | |
fabbf219 | 2363 | usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id) |
1da177e4 LT |
2364 | { |
2365 | struct usb_device *udev; | |
2366 | struct usbtest_dev *dev; | |
2367 | struct usbtest_info *info; | |
2368 | char *rtest, *wtest; | |
2369 | char *irtest, *iwtest; | |
2370 | ||
fabbf219 | 2371 | udev = interface_to_usbdev(intf); |
1da177e4 LT |
2372 | |
2373 | #ifdef GENERIC | |
2374 | /* specify devices by module parameters? */ | |
2375 | if (id->match_flags == 0) { | |
2376 | /* vendor match required, product match optional */ | |
2377 | if (!vendor || le16_to_cpu(udev->descriptor.idVendor) != (u16)vendor) | |
2378 | return -ENODEV; | |
2379 | if (product && le16_to_cpu(udev->descriptor.idProduct) != (u16)product) | |
2380 | return -ENODEV; | |
28ffd79c DB |
2381 | dev_info(&intf->dev, "matched module params, " |
2382 | "vend=0x%04x prod=0x%04x\n", | |
1da177e4 LT |
2383 | le16_to_cpu(udev->descriptor.idVendor), |
2384 | le16_to_cpu(udev->descriptor.idProduct)); | |
2385 | } | |
2386 | #endif | |
2387 | ||
e94b1766 | 2388 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
1da177e4 LT |
2389 | if (!dev) |
2390 | return -ENOMEM; | |
1da177e4 LT |
2391 | info = (struct usbtest_info *) id->driver_info; |
2392 | dev->info = info; | |
1cfab028 | 2393 | mutex_init(&dev->lock); |
1da177e4 LT |
2394 | |
2395 | dev->intf = intf; | |
2396 | ||
2397 | /* cacheline-aligned scratch for i/o */ | |
fabbf219 MF |
2398 | dev->buf = kmalloc(TBUF_SIZE, GFP_KERNEL); |
2399 | if (dev->buf == NULL) { | |
2400 | kfree(dev); | |
1da177e4 LT |
2401 | return -ENOMEM; |
2402 | } | |
2403 | ||
2404 | /* NOTE this doesn't yet test the handful of difference that are | |
2405 | * visible with high speed interrupts: bigger maxpacket (1K) and | |
2406 | * "high bandwidth" modes (up to 3 packets/uframe). | |
2407 | */ | |
2408 | rtest = wtest = ""; | |
2409 | irtest = iwtest = ""; | |
2410 | if (force_interrupt || udev->speed == USB_SPEED_LOW) { | |
2411 | if (info->ep_in) { | |
fabbf219 | 2412 | dev->in_pipe = usb_rcvintpipe(udev, info->ep_in); |
1da177e4 LT |
2413 | rtest = " intr-in"; |
2414 | } | |
2415 | if (info->ep_out) { | |
fabbf219 | 2416 | dev->out_pipe = usb_sndintpipe(udev, info->ep_out); |
1da177e4 LT |
2417 | wtest = " intr-out"; |
2418 | } | |
2419 | } else { | |
d0b4652f | 2420 | if (override_alt >= 0 || info->autoconf) { |
1da177e4 LT |
2421 | int status; |
2422 | ||
fabbf219 | 2423 | status = get_endpoints(dev, intf); |
1da177e4 | 2424 | if (status < 0) { |
b6c63937 | 2425 | WARNING(dev, "couldn't get endpoints, %d\n", |
28ffd79c | 2426 | status); |
f4a728d0 JL |
2427 | kfree(dev->buf); |
2428 | kfree(dev); | |
1da177e4 LT |
2429 | return status; |
2430 | } | |
2431 | /* may find bulk or ISO pipes */ | |
2432 | } else { | |
2433 | if (info->ep_in) | |
fabbf219 | 2434 | dev->in_pipe = usb_rcvbulkpipe(udev, |
1da177e4 LT |
2435 | info->ep_in); |
2436 | if (info->ep_out) | |
fabbf219 | 2437 | dev->out_pipe = usb_sndbulkpipe(udev, |
1da177e4 LT |
2438 | info->ep_out); |
2439 | } | |
2440 | if (dev->in_pipe) | |
2441 | rtest = " bulk-in"; | |
2442 | if (dev->out_pipe) | |
2443 | wtest = " bulk-out"; | |
2444 | if (dev->in_iso_pipe) | |
2445 | irtest = " iso-in"; | |
2446 | if (dev->out_iso_pipe) | |
2447 | iwtest = " iso-out"; | |
2448 | } | |
2449 | ||
fabbf219 MF |
2450 | usb_set_intfdata(intf, dev); |
2451 | dev_info(&intf->dev, "%s\n", info->name); | |
e538dfda MN |
2452 | dev_info(&intf->dev, "%s {control%s%s%s%s%s} tests%s\n", |
2453 | usb_speed_string(udev->speed), | |
1da177e4 LT |
2454 | info->ctrl_out ? " in/out" : "", |
2455 | rtest, wtest, | |
2456 | irtest, iwtest, | |
2457 | info->alt >= 0 ? " (+alt)" : ""); | |
2458 | return 0; | |
2459 | } | |
2460 | ||
fabbf219 | 2461 | static int usbtest_suspend(struct usb_interface *intf, pm_message_t message) |
ff7c79e4 | 2462 | { |
ff7c79e4 DB |
2463 | return 0; |
2464 | } | |
2465 | ||
fabbf219 | 2466 | static int usbtest_resume(struct usb_interface *intf) |
ff7c79e4 | 2467 | { |
ff7c79e4 DB |
2468 | return 0; |
2469 | } | |
2470 | ||
2471 | ||
fabbf219 | 2472 | static void usbtest_disconnect(struct usb_interface *intf) |
1da177e4 | 2473 | { |
fabbf219 | 2474 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
1da177e4 | 2475 | |
fabbf219 MF |
2476 | usb_set_intfdata(intf, NULL); |
2477 | dev_dbg(&intf->dev, "disconnect\n"); | |
2478 | kfree(dev); | |
1da177e4 LT |
2479 | } |
2480 | ||
2481 | /* Basic testing only needs a device that can source or sink bulk traffic. | |
2482 | * Any device can test control transfers (default with GENERIC binding). | |
2483 | * | |
2484 | * Several entries work with the default EP0 implementation that's built | |
2485 | * into EZ-USB chips. There's a default vendor ID which can be overridden | |
2486 | * by (very) small config EEPROMS, but otherwise all these devices act | |
2487 | * identically until firmware is loaded: only EP0 works. It turns out | |
2488 | * to be easy to make other endpoints work, without modifying that EP0 | |
2489 | * behavior. For now, we expect that kind of firmware. | |
2490 | */ | |
2491 | ||
2492 | /* an21xx or fx versions of ez-usb */ | |
2493 | static struct usbtest_info ez1_info = { | |
2494 | .name = "EZ-USB device", | |
2495 | .ep_in = 2, | |
2496 | .ep_out = 2, | |
2497 | .alt = 1, | |
2498 | }; | |
2499 | ||
2500 | /* fx2 version of ez-usb */ | |
2501 | static struct usbtest_info ez2_info = { | |
2502 | .name = "FX2 device", | |
2503 | .ep_in = 6, | |
2504 | .ep_out = 2, | |
2505 | .alt = 1, | |
2506 | }; | |
2507 | ||
2508 | /* ezusb family device with dedicated usb test firmware, | |
2509 | */ | |
2510 | static struct usbtest_info fw_info = { | |
2511 | .name = "usb test device", | |
2512 | .ep_in = 2, | |
2513 | .ep_out = 2, | |
2514 | .alt = 1, | |
fabbf219 | 2515 | .autoconf = 1, /* iso and ctrl_out need autoconf */ |
1da177e4 | 2516 | .ctrl_out = 1, |
fabbf219 | 2517 | .iso = 1, /* iso_ep's are #8 in/out */ |
1da177e4 LT |
2518 | }; |
2519 | ||
2520 | /* peripheral running Linux and 'zero.c' test firmware, or | |
2521 | * its user-mode cousin. different versions of this use | |
2522 | * different hardware with the same vendor/product codes. | |
2523 | * host side MUST rely on the endpoint descriptors. | |
2524 | */ | |
2525 | static struct usbtest_info gz_info = { | |
2526 | .name = "Linux gadget zero", | |
2527 | .autoconf = 1, | |
2528 | .ctrl_out = 1, | |
4b85c624 | 2529 | .iso = 1, |
1da177e4 LT |
2530 | .alt = 0, |
2531 | }; | |
2532 | ||
2533 | static struct usbtest_info um_info = { | |
2534 | .name = "Linux user mode test driver", | |
2535 | .autoconf = 1, | |
2536 | .alt = -1, | |
2537 | }; | |
2538 | ||
2539 | static struct usbtest_info um2_info = { | |
2540 | .name = "Linux user mode ISO test driver", | |
2541 | .autoconf = 1, | |
2542 | .iso = 1, | |
2543 | .alt = -1, | |
2544 | }; | |
2545 | ||
2546 | #ifdef IBOT2 | |
2547 | /* this is a nice source of high speed bulk data; | |
2548 | * uses an FX2, with firmware provided in the device | |
2549 | */ | |
2550 | static struct usbtest_info ibot2_info = { | |
2551 | .name = "iBOT2 webcam", | |
2552 | .ep_in = 2, | |
2553 | .alt = -1, | |
2554 | }; | |
2555 | #endif | |
2556 | ||
2557 | #ifdef GENERIC | |
2558 | /* we can use any device to test control traffic */ | |
2559 | static struct usbtest_info generic_info = { | |
2560 | .name = "Generic USB device", | |
2561 | .alt = -1, | |
2562 | }; | |
2563 | #endif | |
2564 | ||
1da177e4 | 2565 | |
33b9e162 | 2566 | static const struct usb_device_id id_table[] = { |
1da177e4 | 2567 | |
1da177e4 LT |
2568 | /*-------------------------------------------------------------*/ |
2569 | ||
2570 | /* EZ-USB devices which download firmware to replace (or in our | |
2571 | * case augment) the default device implementation. | |
2572 | */ | |
2573 | ||
2574 | /* generic EZ-USB FX controller */ | |
fabbf219 | 2575 | { USB_DEVICE(0x0547, 0x2235), |
1da177e4 | 2576 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2577 | }, |
1da177e4 LT |
2578 | |
2579 | /* CY3671 development board with EZ-USB FX */ | |
fabbf219 | 2580 | { USB_DEVICE(0x0547, 0x0080), |
1da177e4 | 2581 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2582 | }, |
1da177e4 LT |
2583 | |
2584 | /* generic EZ-USB FX2 controller (or development board) */ | |
fabbf219 | 2585 | { USB_DEVICE(0x04b4, 0x8613), |
1da177e4 | 2586 | .driver_info = (unsigned long) &ez2_info, |
fabbf219 | 2587 | }, |
1da177e4 LT |
2588 | |
2589 | /* re-enumerated usb test device firmware */ | |
fabbf219 | 2590 | { USB_DEVICE(0xfff0, 0xfff0), |
1da177e4 | 2591 | .driver_info = (unsigned long) &fw_info, |
fabbf219 | 2592 | }, |
1da177e4 LT |
2593 | |
2594 | /* "Gadget Zero" firmware runs under Linux */ | |
fabbf219 | 2595 | { USB_DEVICE(0x0525, 0xa4a0), |
1da177e4 | 2596 | .driver_info = (unsigned long) &gz_info, |
fabbf219 | 2597 | }, |
1da177e4 LT |
2598 | |
2599 | /* so does a user-mode variant */ | |
fabbf219 | 2600 | { USB_DEVICE(0x0525, 0xa4a4), |
1da177e4 | 2601 | .driver_info = (unsigned long) &um_info, |
fabbf219 | 2602 | }, |
1da177e4 LT |
2603 | |
2604 | /* ... and a user-mode variant that talks iso */ | |
fabbf219 | 2605 | { USB_DEVICE(0x0525, 0xa4a3), |
1da177e4 | 2606 | .driver_info = (unsigned long) &um2_info, |
fabbf219 | 2607 | }, |
1da177e4 LT |
2608 | |
2609 | #ifdef KEYSPAN_19Qi | |
2610 | /* Keyspan 19qi uses an21xx (original EZ-USB) */ | |
fabbf219 MF |
2611 | /* this does not coexist with the real Keyspan 19qi driver! */ |
2612 | { USB_DEVICE(0x06cd, 0x010b), | |
1da177e4 | 2613 | .driver_info = (unsigned long) &ez1_info, |
fabbf219 | 2614 | }, |
1da177e4 LT |
2615 | #endif |
2616 | ||
2617 | /*-------------------------------------------------------------*/ | |
2618 | ||
2619 | #ifdef IBOT2 | |
2620 | /* iBOT2 makes a nice source of high speed bulk-in data */ | |
fabbf219 MF |
2621 | /* this does not coexist with a real iBOT2 driver! */ |
2622 | { USB_DEVICE(0x0b62, 0x0059), | |
1da177e4 | 2623 | .driver_info = (unsigned long) &ibot2_info, |
fabbf219 | 2624 | }, |
1da177e4 LT |
2625 | #endif |
2626 | ||
2627 | /*-------------------------------------------------------------*/ | |
2628 | ||
2629 | #ifdef GENERIC | |
2630 | /* module params can specify devices to use for control tests */ | |
2631 | { .driver_info = (unsigned long) &generic_info, }, | |
2632 | #endif | |
2633 | ||
2634 | /*-------------------------------------------------------------*/ | |
2635 | ||
2636 | { } | |
2637 | }; | |
fabbf219 | 2638 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
2639 | |
2640 | static struct usb_driver usbtest_driver = { | |
1da177e4 LT |
2641 | .name = "usbtest", |
2642 | .id_table = id_table, | |
2643 | .probe = usbtest_probe, | |
c532b29a | 2644 | .unlocked_ioctl = usbtest_ioctl, |
1da177e4 | 2645 | .disconnect = usbtest_disconnect, |
ff7c79e4 DB |
2646 | .suspend = usbtest_suspend, |
2647 | .resume = usbtest_resume, | |
1da177e4 LT |
2648 | }; |
2649 | ||
2650 | /*-------------------------------------------------------------------------*/ | |
2651 | ||
fabbf219 | 2652 | static int __init usbtest_init(void) |
1da177e4 LT |
2653 | { |
2654 | #ifdef GENERIC | |
2655 | if (vendor) | |
28ffd79c | 2656 | pr_debug("params: vend=0x%04x prod=0x%04x\n", vendor, product); |
1da177e4 | 2657 | #endif |
fabbf219 | 2658 | return usb_register(&usbtest_driver); |
1da177e4 | 2659 | } |
fabbf219 | 2660 | module_init(usbtest_init); |
1da177e4 | 2661 | |
fabbf219 | 2662 | static void __exit usbtest_exit(void) |
1da177e4 | 2663 | { |
fabbf219 | 2664 | usb_deregister(&usbtest_driver); |
1da177e4 | 2665 | } |
fabbf219 | 2666 | module_exit(usbtest_exit); |
1da177e4 | 2667 | |
fabbf219 MF |
2668 | MODULE_DESCRIPTION("USB Core/HCD Testing Driver"); |
2669 | MODULE_LICENSE("GPL"); | |
1da177e4 | 2670 |