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-rw-r--r--tools/usb/ffs-test.c554
-rw-r--r--tools/usb/testusb.c547
2 files changed, 1101 insertions, 0 deletions
diff --git a/tools/usb/ffs-test.c b/tools/usb/ffs-test.c
new file mode 100644
index 000000000000..bbe2e3a2ea62
--- /dev/null
+++ b/tools/usb/ffs-test.c
@@ -0,0 +1,554 @@
1/*
2 * ffs-test.c.c -- user mode filesystem api for usb composite function
3 *
4 * Copyright (C) 2010 Samsung Electronics
5 * Author: Michal Nazarewicz <m.nazarewicz@samsung.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22/* $(CROSS_COMPILE)cc -Wall -Wextra -g -o ffs-test ffs-test.c -lpthread */
23
24
25#define _BSD_SOURCE /* for endian.h */
26
27#include <endian.h>
28#include <errno.h>
29#include <fcntl.h>
30#include <pthread.h>
31#include <stdarg.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <string.h>
35#include <sys/ioctl.h>
36#include <sys/stat.h>
37#include <sys/types.h>
38#include <unistd.h>
39
40#include <linux/usb/functionfs.h>
41
42
43/******************** Little Endian Handling ********************************/
44
45#define cpu_to_le16(x) htole16(x)
46#define cpu_to_le32(x) htole32(x)
47#define le32_to_cpu(x) le32toh(x)
48#define le16_to_cpu(x) le16toh(x)
49
50static inline __u16 get_unaligned_le16(const void *_ptr)
51{
52 const __u8 *ptr = _ptr;
53 return ptr[0] | (ptr[1] << 8);
54}
55
56static inline __u32 get_unaligned_le32(const void *_ptr)
57{
58 const __u8 *ptr = _ptr;
59 return ptr[0] | (ptr[1] << 8) | (ptr[2] << 16) | (ptr[3] << 24);
60}
61
62static inline void put_unaligned_le16(__u16 val, void *_ptr)
63{
64 __u8 *ptr = _ptr;
65 *ptr++ = val;
66 *ptr++ = val >> 8;
67}
68
69static inline void put_unaligned_le32(__u32 val, void *_ptr)
70{
71 __u8 *ptr = _ptr;
72 *ptr++ = val;
73 *ptr++ = val >> 8;
74 *ptr++ = val >> 16;
75 *ptr++ = val >> 24;
76}
77
78
79/******************** Messages and Errors ***********************************/
80
81static const char argv0[] = "ffs-test";
82
83static unsigned verbosity = 7;
84
85static void _msg(unsigned level, const char *fmt, ...)
86{
87 if (level < 2)
88 level = 2;
89 else if (level > 7)
90 level = 7;
91
92 if (level <= verbosity) {
93 static const char levels[8][6] = {
94 [2] = "crit:",
95 [3] = "err: ",
96 [4] = "warn:",
97 [5] = "note:",
98 [6] = "info:",
99 [7] = "dbg: "
100 };
101
102 int _errno = errno;
103 va_list ap;
104
105 fprintf(stderr, "%s: %s ", argv0, levels[level]);
106 va_start(ap, fmt);
107 vfprintf(stderr, fmt, ap);
108 va_end(ap);
109
110 if (fmt[strlen(fmt) - 1] != '\n') {
111 char buffer[128];
112 strerror_r(_errno, buffer, sizeof buffer);
113 fprintf(stderr, ": (-%d) %s\n", _errno, buffer);
114 }
115
116 fflush(stderr);
117 }
118}
119
120#define die(...) (_msg(2, __VA_ARGS__), exit(1))
121#define err(...) _msg(3, __VA_ARGS__)
122#define warn(...) _msg(4, __VA_ARGS__)
123#define note(...) _msg(5, __VA_ARGS__)
124#define info(...) _msg(6, __VA_ARGS__)
125#define debug(...) _msg(7, __VA_ARGS__)
126
127#define die_on(cond, ...) do { \
128 if (cond) \
129 die(__VA_ARGS__); \
130 } while (0)
131
132
133/******************** Descriptors and Strings *******************************/
134
135static const struct {
136 struct usb_functionfs_descs_head header;
137 struct {
138 struct usb_interface_descriptor intf;
139 struct usb_endpoint_descriptor_no_audio sink;
140 struct usb_endpoint_descriptor_no_audio source;
141 } __attribute__((packed)) fs_descs, hs_descs;
142} __attribute__((packed)) descriptors = {
143 .header = {
144 .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC),
145 .length = cpu_to_le32(sizeof descriptors),
146 .fs_count = 3,
147 .hs_count = 3,
148 },
149 .fs_descs = {
150 .intf = {
151 .bLength = sizeof descriptors.fs_descs.intf,
152 .bDescriptorType = USB_DT_INTERFACE,
153 .bNumEndpoints = 2,
154 .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
155 .iInterface = 1,
156 },
157 .sink = {
158 .bLength = sizeof descriptors.fs_descs.sink,
159 .bDescriptorType = USB_DT_ENDPOINT,
160 .bEndpointAddress = 1 | USB_DIR_IN,
161 .bmAttributes = USB_ENDPOINT_XFER_BULK,
162 /* .wMaxPacketSize = autoconfiguration (kernel) */
163 },
164 .source = {
165 .bLength = sizeof descriptors.fs_descs.source,
166 .bDescriptorType = USB_DT_ENDPOINT,
167 .bEndpointAddress = 2 | USB_DIR_OUT,
168 .bmAttributes = USB_ENDPOINT_XFER_BULK,
169 /* .wMaxPacketSize = autoconfiguration (kernel) */
170 },
171 },
172 .hs_descs = {
173 .intf = {
174 .bLength = sizeof descriptors.fs_descs.intf,
175 .bDescriptorType = USB_DT_INTERFACE,
176 .bNumEndpoints = 2,
177 .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
178 .iInterface = 1,
179 },
180 .sink = {
181 .bLength = sizeof descriptors.hs_descs.sink,
182 .bDescriptorType = USB_DT_ENDPOINT,
183 .bEndpointAddress = 1 | USB_DIR_IN,
184 .bmAttributes = USB_ENDPOINT_XFER_BULK,
185 .wMaxPacketSize = cpu_to_le16(512),
186 },
187 .source = {
188 .bLength = sizeof descriptors.hs_descs.source,
189 .bDescriptorType = USB_DT_ENDPOINT,
190 .bEndpointAddress = 2 | USB_DIR_OUT,
191 .bmAttributes = USB_ENDPOINT_XFER_BULK,
192 .wMaxPacketSize = cpu_to_le16(512),
193 .bInterval = 1, /* NAK every 1 uframe */
194 },
195 },
196};
197
198
199#define STR_INTERFACE_ "Source/Sink"
200
201static const struct {
202 struct usb_functionfs_strings_head header;
203 struct {
204 __le16 code;
205 const char str1[sizeof STR_INTERFACE_];
206 } __attribute__((packed)) lang0;
207} __attribute__((packed)) strings = {
208 .header = {
209 .magic = cpu_to_le32(FUNCTIONFS_STRINGS_MAGIC),
210 .length = cpu_to_le32(sizeof strings),
211 .str_count = cpu_to_le32(1),
212 .lang_count = cpu_to_le32(1),
213 },
214 .lang0 = {
215 cpu_to_le16(0x0409), /* en-us */
216 STR_INTERFACE_,
217 },
218};
219
220#define STR_INTERFACE strings.lang0.str1
221
222
223/******************** Files and Threads Handling ****************************/
224
225struct thread;
226
227static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes);
228static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes);
229static ssize_t ep0_consume(struct thread *t, const void *buf, size_t nbytes);
230static ssize_t fill_in_buf(struct thread *t, void *buf, size_t nbytes);
231static ssize_t empty_out_buf(struct thread *t, const void *buf, size_t nbytes);
232
233
234static struct thread {
235 const char *const filename;
236 size_t buf_size;
237
238 ssize_t (*in)(struct thread *, void *, size_t);
239 const char *const in_name;
240
241 ssize_t (*out)(struct thread *, const void *, size_t);
242 const char *const out_name;
243
244 int fd;
245 pthread_t id;
246 void *buf;
247 ssize_t status;
248} threads[] = {
249 {
250 "ep0", 4 * sizeof(struct usb_functionfs_event),
251 read_wrap, NULL,
252 ep0_consume, "<consume>",
253 0, 0, NULL, 0
254 },
255 {
256 "ep1", 8 * 1024,
257 fill_in_buf, "<in>",
258 write_wrap, NULL,
259 0, 0, NULL, 0
260 },
261 {
262 "ep2", 8 * 1024,
263 read_wrap, NULL,
264 empty_out_buf, "<out>",
265 0, 0, NULL, 0
266 },
267};
268
269
270static void init_thread(struct thread *t)
271{
272 t->buf = malloc(t->buf_size);
273 die_on(!t->buf, "malloc");
274
275 t->fd = open(t->filename, O_RDWR);
276 die_on(t->fd < 0, "%s", t->filename);
277}
278
279static void cleanup_thread(void *arg)
280{
281 struct thread *t = arg;
282 int ret, fd;
283
284 fd = t->fd;
285 if (t->fd < 0)
286 return;
287 t->fd = -1;
288
289 /* test the FIFO ioctls (non-ep0 code paths) */
290 if (t != threads) {
291 ret = ioctl(fd, FUNCTIONFS_FIFO_STATUS);
292 if (ret < 0) {
293 /* ENODEV reported after disconnect */
294 if (errno != ENODEV)
295 err("%s: get fifo status", t->filename);
296 } else if (ret) {
297 warn("%s: unclaimed = %d\n", t->filename, ret);
298 if (ioctl(fd, FUNCTIONFS_FIFO_FLUSH) < 0)
299 err("%s: fifo flush", t->filename);
300 }
301 }
302
303 if (close(fd) < 0)
304 err("%s: close", t->filename);
305
306 free(t->buf);
307 t->buf = NULL;
308}
309
310static void *start_thread_helper(void *arg)
311{
312 const char *name, *op, *in_name, *out_name;
313 struct thread *t = arg;
314 ssize_t ret;
315
316 info("%s: starts\n", t->filename);
317 in_name = t->in_name ? t->in_name : t->filename;
318 out_name = t->out_name ? t->out_name : t->filename;
319
320 pthread_cleanup_push(cleanup_thread, arg);
321
322 for (;;) {
323 pthread_testcancel();
324
325 ret = t->in(t, t->buf, t->buf_size);
326 if (ret > 0) {
327 ret = t->out(t, t->buf, t->buf_size);
328 name = out_name;
329 op = "write";
330 } else {
331 name = in_name;
332 op = "read";
333 }
334
335 if (ret > 0) {
336 /* nop */
337 } else if (!ret) {
338 debug("%s: %s: EOF", name, op);
339 break;
340 } else if (errno == EINTR || errno == EAGAIN) {
341 debug("%s: %s", name, op);
342 } else {
343 warn("%s: %s", name, op);
344 break;
345 }
346 }
347
348 pthread_cleanup_pop(1);
349
350 t->status = ret;
351 info("%s: ends\n", t->filename);
352 return NULL;
353}
354
355static void start_thread(struct thread *t)
356{
357 debug("%s: starting\n", t->filename);
358
359 die_on(pthread_create(&t->id, NULL, start_thread_helper, t) < 0,
360 "pthread_create(%s)", t->filename);
361}
362
363static void join_thread(struct thread *t)
364{
365 int ret = pthread_join(t->id, NULL);
366
367 if (ret < 0)
368 err("%s: joining thread", t->filename);
369 else
370 debug("%s: joined\n", t->filename);
371}
372
373
374static ssize_t read_wrap(struct thread *t, void *buf, size_t nbytes)
375{
376 return read(t->fd, buf, nbytes);
377}
378
379static ssize_t write_wrap(struct thread *t, const void *buf, size_t nbytes)
380{
381 return write(t->fd, buf, nbytes);
382}
383
384
385/******************** Empty/Fill buffer routines ****************************/
386
387/* 0 -- stream of zeros, 1 -- i % 63, 2 -- pipe */
388enum pattern { PAT_ZERO, PAT_SEQ, PAT_PIPE };
389static enum pattern pattern;
390
391static ssize_t
392fill_in_buf(struct thread *ignore, void *buf, size_t nbytes)
393{
394 size_t i;
395 __u8 *p;
396
397 (void)ignore;
398
399 switch (pattern) {
400 case PAT_ZERO:
401 memset(buf, 0, nbytes);
402 break;
403
404 case PAT_SEQ:
405 for (p = buf, i = 0; i < nbytes; ++i, ++p)
406 *p = i % 63;
407 break;
408
409 case PAT_PIPE:
410 return fread(buf, 1, nbytes, stdin);
411 }
412
413 return nbytes;
414}
415
416static ssize_t
417empty_out_buf(struct thread *ignore, const void *buf, size_t nbytes)
418{
419 const __u8 *p;
420 __u8 expected;
421 ssize_t ret;
422 size_t len;
423
424 (void)ignore;
425
426 switch (pattern) {
427 case PAT_ZERO:
428 expected = 0;
429 for (p = buf, len = 0; len < nbytes; ++p, ++len)
430 if (*p)
431 goto invalid;
432 break;
433
434 case PAT_SEQ:
435 for (p = buf, len = 0; len < nbytes; ++p, ++len)
436 if (*p != len % 63) {
437 expected = len % 63;
438 goto invalid;
439 }
440 break;
441
442 case PAT_PIPE:
443 ret = fwrite(buf, nbytes, 1, stdout);
444 if (ret > 0)
445 fflush(stdout);
446 break;
447
448invalid:
449 err("bad OUT byte %zd, expected %02x got %02x\n",
450 len, expected, *p);
451 for (p = buf, len = 0; len < nbytes; ++p, ++len) {
452 if (0 == (len % 32))
453 fprintf(stderr, "%4d:", len);
454 fprintf(stderr, " %02x", *p);
455 if (31 == (len % 32))
456 fprintf(stderr, "\n");
457 }
458 fflush(stderr);
459 errno = EILSEQ;
460 return -1;
461 }
462
463 return len;
464}
465
466
467/******************** Endpoints routines ************************************/
468
469static void handle_setup(const struct usb_ctrlrequest *setup)
470{
471 printf("bRequestType = %d\n", setup->bRequestType);
472 printf("bRequest = %d\n", setup->bRequest);
473 printf("wValue = %d\n", le16_to_cpu(setup->wValue));
474 printf("wIndex = %d\n", le16_to_cpu(setup->wIndex));
475 printf("wLength = %d\n", le16_to_cpu(setup->wLength));
476}
477
478static ssize_t
479ep0_consume(struct thread *ignore, const void *buf, size_t nbytes)
480{
481 static const char *const names[] = {
482 [FUNCTIONFS_BIND] = "BIND",
483 [FUNCTIONFS_UNBIND] = "UNBIND",
484 [FUNCTIONFS_ENABLE] = "ENABLE",
485 [FUNCTIONFS_DISABLE] = "DISABLE",
486 [FUNCTIONFS_SETUP] = "SETUP",
487 [FUNCTIONFS_SUSPEND] = "SUSPEND",
488 [FUNCTIONFS_RESUME] = "RESUME",
489 };
490
491 const struct usb_functionfs_event *event = buf;
492 size_t n;
493
494 (void)ignore;
495
496 for (n = nbytes / sizeof *event; n; --n, ++event)
497 switch (event->type) {
498 case FUNCTIONFS_BIND:
499 case FUNCTIONFS_UNBIND:
500 case FUNCTIONFS_ENABLE:
501 case FUNCTIONFS_DISABLE:
502 case FUNCTIONFS_SETUP:
503 case FUNCTIONFS_SUSPEND:
504 case FUNCTIONFS_RESUME:
505 printf("Event %s\n", names[event->type]);
506 if (event->type == FUNCTIONFS_SETUP)
507 handle_setup(&event->u.setup);
508 break;
509
510 default:
511 printf("Event %03u (unknown)\n", event->type);
512 }
513
514 return nbytes;
515}
516
517static void ep0_init(struct thread *t)
518{
519 ssize_t ret;
520
521 info("%s: writing descriptors\n", t->filename);
522 ret = write(t->fd, &descriptors, sizeof descriptors);
523 die_on(ret < 0, "%s: write: descriptors", t->filename);
524
525 info("%s: writing strings\n", t->filename);
526 ret = write(t->fd, &strings, sizeof strings);
527 die_on(ret < 0, "%s: write: strings", t->filename);
528}
529
530
531/******************** Main **************************************************/
532
533int main(void)
534{
535 unsigned i;
536
537 /* XXX TODO: Argument parsing missing */
538
539 init_thread(threads);
540 ep0_init(threads);
541
542 for (i = 1; i < sizeof threads / sizeof *threads; ++i)
543 init_thread(threads + i);
544
545 for (i = 1; i < sizeof threads / sizeof *threads; ++i)
546 start_thread(threads + i);
547
548 start_thread_helper(threads);
549
550 for (i = 1; i < sizeof threads / sizeof *threads; ++i)
551 join_thread(threads + i);
552
553 return 0;
554}
diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c
new file mode 100644
index 000000000000..f08e89463842
--- /dev/null
+++ b/tools/usb/testusb.c
@@ -0,0 +1,547 @@
1/* $(CROSS_COMPILE)cc -Wall -Wextra -g -lpthread -o testusb testusb.c */
2
3/*
4 * Copyright (c) 2002 by David Brownell
5 * Copyright (c) 2010 by Samsung Electronics
6 * Author: Michal Nazarewicz <m.nazarewicz@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23/*
24 * This program issues ioctls to perform the tests implemented by the
25 * kernel driver. It can generate a variety of transfer patterns; you
26 * should make sure to test both regular streaming and mixes of
27 * transfer sizes (including short transfers).
28 *
29 * For more information on how this can be used and on USB testing
30 * refer to <URL:http://www.linux-usb.org/usbtest/>.
31 */
32
33#include <stdio.h>
34#include <string.h>
35#include <ftw.h>
36#include <stdlib.h>
37#include <pthread.h>
38#include <unistd.h>
39#include <errno.h>
40#include <limits.h>
41
42#include <sys/types.h>
43#include <sys/stat.h>
44#include <fcntl.h>
45
46#include <sys/ioctl.h>
47#include <linux/usbdevice_fs.h>
48
49/*-------------------------------------------------------------------------*/
50
51#define TEST_CASES 30
52
53// FIXME make these public somewhere; usbdevfs.h?
54
55struct usbtest_param {
56 // inputs
57 unsigned test_num; /* 0..(TEST_CASES-1) */
58 unsigned iterations;
59 unsigned length;
60 unsigned vary;
61 unsigned sglen;
62
63 // outputs
64 struct timeval duration;
65};
66#define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param)
67
68/*-------------------------------------------------------------------------*/
69
70/* #include <linux/usb_ch9.h> */
71
72#define USB_DT_DEVICE 0x01
73#define USB_DT_INTERFACE 0x04
74
75#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
76#define USB_CLASS_VENDOR_SPEC 0xff
77
78
79struct usb_device_descriptor {
80 __u8 bLength;
81 __u8 bDescriptorType;
82 __u16 bcdUSB;
83 __u8 bDeviceClass;
84 __u8 bDeviceSubClass;
85 __u8 bDeviceProtocol;
86 __u8 bMaxPacketSize0;
87 __u16 idVendor;
88 __u16 idProduct;
89 __u16 bcdDevice;
90 __u8 iManufacturer;
91 __u8 iProduct;
92 __u8 iSerialNumber;
93 __u8 bNumConfigurations;
94} __attribute__ ((packed));
95
96struct usb_interface_descriptor {
97 __u8 bLength;
98 __u8 bDescriptorType;
99
100 __u8 bInterfaceNumber;
101 __u8 bAlternateSetting;
102 __u8 bNumEndpoints;
103 __u8 bInterfaceClass;
104 __u8 bInterfaceSubClass;
105 __u8 bInterfaceProtocol;
106 __u8 iInterface;
107} __attribute__ ((packed));
108
109enum usb_device_speed {
110 USB_SPEED_UNKNOWN = 0, /* enumerating */
111 USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */
112 USB_SPEED_HIGH /* usb 2.0 */
113};
114
115/*-------------------------------------------------------------------------*/
116
117static char *speed (enum usb_device_speed s)
118{
119 switch (s) {
120 case USB_SPEED_UNKNOWN: return "unknown";
121 case USB_SPEED_LOW: return "low";
122 case USB_SPEED_FULL: return "full";
123 case USB_SPEED_HIGH: return "high";
124 default: return "??";
125 }
126}
127
128struct testdev {
129 struct testdev *next;
130 char *name;
131 pthread_t thread;
132 enum usb_device_speed speed;
133 unsigned ifnum : 8;
134 unsigned forever : 1;
135 int test;
136
137 struct usbtest_param param;
138};
139static struct testdev *testdevs;
140
141static int testdev_ffs_ifnum(FILE *fd)
142{
143 union {
144 char buf[255];
145 struct usb_interface_descriptor intf;
146 } u;
147
148 for (;;) {
149 if (fread(u.buf, 1, 1, fd) != 1)
150 return -1;
151 if (fread(u.buf + 1, (unsigned char)u.buf[0] - 1, 1, fd) != 1)
152 return -1;
153
154 if (u.intf.bLength == sizeof u.intf
155 && u.intf.bDescriptorType == USB_DT_INTERFACE
156 && u.intf.bNumEndpoints == 2
157 && u.intf.bInterfaceClass == USB_CLASS_VENDOR_SPEC
158 && u.intf.bInterfaceSubClass == 0
159 && u.intf.bInterfaceProtocol == 0)
160 return (unsigned char)u.intf.bInterfaceNumber;
161 }
162}
163
164static int testdev_ifnum(FILE *fd)
165{
166 struct usb_device_descriptor dev;
167
168 if (fread(&dev, sizeof dev, 1, fd) != 1)
169 return -1;
170
171 if (dev.bLength != sizeof dev || dev.bDescriptorType != USB_DT_DEVICE)
172 return -1;
173
174 /* FX2 with (tweaked) bulksrc firmware */
175 if (dev.idVendor == 0x0547 && dev.idProduct == 0x1002)
176 return 0;
177
178 /*----------------------------------------------------*/
179
180 /* devices that start up using the EZ-USB default device and
181 * which we can use after loading simple firmware. hotplug
182 * can fxload it, and then run this test driver.
183 *
184 * we return false positives in two cases:
185 * - the device has a "real" driver (maybe usb-serial) that
186 * renumerates. the device should vanish quickly.
187 * - the device doesn't have the test firmware installed.
188 */
189
190 /* generic EZ-USB FX controller */
191 if (dev.idVendor == 0x0547 && dev.idProduct == 0x2235)
192 return 0;
193
194 /* generic EZ-USB FX2 controller */
195 if (dev.idVendor == 0x04b4 && dev.idProduct == 0x8613)
196 return 0;
197
198 /* CY3671 development board with EZ-USB FX */
199 if (dev.idVendor == 0x0547 && dev.idProduct == 0x0080)
200 return 0;
201
202 /* Keyspan 19Qi uses an21xx (original EZ-USB) */
203 if (dev.idVendor == 0x06cd && dev.idProduct == 0x010b)
204 return 0;
205
206 /*----------------------------------------------------*/
207
208 /* "gadget zero", Linux-USB test software */
209 if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4a0)
210 return 0;
211
212 /* user mode subset of that */
213 if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4a4)
214 return testdev_ffs_ifnum(fd);
215 /* return 0; */
216
217 /* iso version of usermode code */
218 if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4a3)
219 return 0;
220
221 /* some GPL'd test firmware uses these IDs */
222
223 if (dev.idVendor == 0xfff0 && dev.idProduct == 0xfff0)
224 return 0;
225
226 /*----------------------------------------------------*/
227
228 /* iBOT2 high speed webcam */
229 if (dev.idVendor == 0x0b62 && dev.idProduct == 0x0059)
230 return 0;
231
232 /*----------------------------------------------------*/
233
234 /* the FunctionFS gadget can have the source/sink interface
235 * anywhere. We look for an interface descriptor that match
236 * what we expect. We ignore configuratiens thou. */
237
238 if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4ac
239 && (dev.bDeviceClass == USB_CLASS_PER_INTERFACE
240 || dev.bDeviceClass == USB_CLASS_VENDOR_SPEC))
241 return testdev_ffs_ifnum(fd);
242
243 return -1;
244}
245
246static int find_testdev(const char *name, const struct stat *sb, int flag)
247{
248 FILE *fd;
249 int ifnum;
250 struct testdev *entry;
251
252 (void)sb; /* unused */
253
254 if (flag != FTW_F)
255 return 0;
256 /* ignore /proc/bus/usb/{devices,drivers} */
257 if (strrchr(name, '/')[1] == 'd')
258 return 0;
259
260 fd = fopen(name, "rb");
261 if (!fd) {
262 perror(name);
263 return 0;
264 }
265
266 ifnum = testdev_ifnum(fd);
267 fclose(fd);
268 if (ifnum < 0)
269 return 0;
270
271 entry = calloc(1, sizeof *entry);
272 if (!entry)
273 goto nomem;
274
275 entry->name = strdup(name);
276 if (!entry->name) {
277 free(entry);
278nomem:
279 perror("malloc");
280 return 0;
281 }
282
283 entry->ifnum = ifnum;
284
285 /* FIXME ask usbfs what speed; update USBDEVFS_CONNECTINFO so
286 * it tells about high speed etc */
287
288 fprintf(stderr, "%s speed\t%s\t%u\n",
289 speed(entry->speed), entry->name, entry->ifnum);
290
291 entry->next = testdevs;
292 testdevs = entry;
293 return 0;
294}
295
296static int
297usbdev_ioctl (int fd, int ifno, unsigned request, void *param)
298{
299 struct usbdevfs_ioctl wrapper;
300
301 wrapper.ifno = ifno;
302 wrapper.ioctl_code = request;
303 wrapper.data = param;
304
305 return ioctl (fd, USBDEVFS_IOCTL, &wrapper);
306}
307
308static void *handle_testdev (void *arg)
309{
310 struct testdev *dev = arg;
311 int fd, i;
312 int status;
313
314 if ((fd = open (dev->name, O_RDWR)) < 0) {
315 perror ("can't open dev file r/w");
316 return 0;
317 }
318
319restart:
320 for (i = 0; i < TEST_CASES; i++) {
321 if (dev->test != -1 && dev->test != i)
322 continue;
323 dev->param.test_num = i;
324
325 status = usbdev_ioctl (fd, dev->ifnum,
326 USBTEST_REQUEST, &dev->param);
327 if (status < 0 && errno == EOPNOTSUPP)
328 continue;
329
330 /* FIXME need a "syslog it" option for background testing */
331
332 /* NOTE: each thread emits complete lines; no fragments! */
333 if (status < 0) {
334 char buf [80];
335 int err = errno;
336
337 if (strerror_r (errno, buf, sizeof buf)) {
338 snprintf (buf, sizeof buf, "error %d", err);
339 errno = err;
340 }
341 printf ("%s test %d --> %d (%s)\n",
342 dev->name, i, errno, buf);
343 } else
344 printf ("%s test %d, %4d.%.06d secs\n", dev->name, i,
345 (int) dev->param.duration.tv_sec,
346 (int) dev->param.duration.tv_usec);
347
348 fflush (stdout);
349 }
350 if (dev->forever)
351 goto restart;
352
353 close (fd);
354 return arg;
355}
356
357static const char *usbfs_dir_find(void)
358{
359 static char usbfs_path_0[] = "/dev/usb/devices";
360 static char usbfs_path_1[] = "/proc/bus/usb/devices";
361
362 static char *const usbfs_paths[] = {
363 usbfs_path_0, usbfs_path_1
364 };
365
366 static char *const *
367 end = usbfs_paths + sizeof usbfs_paths / sizeof *usbfs_paths;
368
369 char *const *it = usbfs_paths;
370 do {
371 int fd = open(*it, O_RDONLY);
372 close(fd);
373 if (fd >= 0) {
374 strrchr(*it, '/')[0] = '\0';
375 return *it;
376 }
377 } while (++it != end);
378
379 return NULL;
380}
381
382static int parse_num(unsigned *num, const char *str)
383{
384 unsigned long val;
385 char *end;
386
387 errno = 0;
388 val = strtoul(str, &end, 0);
389 if (errno || *end || val > UINT_MAX)
390 return -1;
391 *num = val;
392 return 0;
393}
394
395int main (int argc, char **argv)
396{
397
398 int c;
399 struct testdev *entry;
400 char *device;
401 const char *usbfs_dir = NULL;
402 int all = 0, forever = 0, not = 0;
403 int test = -1 /* all */;
404 struct usbtest_param param;
405
406 /* pick defaults that works with all speeds, without short packets.
407 *
408 * Best per-frame data rates:
409 * high speed, bulk 512 * 13 * 8 = 53248
410 * interrupt 1024 * 3 * 8 = 24576
411 * full speed, bulk/intr 64 * 19 = 1216
412 * interrupt 64 * 1 = 64
413 * low speed, interrupt 8 * 1 = 8
414 */
415 param.iterations = 1000;
416 param.length = 512;
417 param.vary = 512;
418 param.sglen = 32;
419
420 /* for easy use when hotplugging */
421 device = getenv ("DEVICE");
422
423 while ((c = getopt (argc, argv, "D:aA:c:g:hns:t:v:")) != EOF)
424 switch (c) {
425 case 'D': /* device, if only one */
426 device = optarg;
427 continue;
428 case 'A': /* use all devices with specified usbfs dir */
429 usbfs_dir = optarg;
430 /* FALL THROUGH */
431 case 'a': /* use all devices */
432 device = NULL;
433 all = 1;
434 continue;
435 case 'c': /* count iterations */
436 if (parse_num(&param.iterations, optarg))
437 goto usage;
438 continue;
439 case 'g': /* scatter/gather entries */
440 if (parse_num(&param.sglen, optarg))
441 goto usage;
442 continue;
443 case 'l': /* loop forever */
444 forever = 1;
445 continue;
446 case 'n': /* no test running! */
447 not = 1;
448 continue;
449 case 's': /* size of packet */
450 if (parse_num(&param.length, optarg))
451 goto usage;
452 continue;
453 case 't': /* run just one test */
454 test = atoi (optarg);
455 if (test < 0)
456 goto usage;
457 continue;
458 case 'v': /* vary packet size by ... */
459 if (parse_num(&param.vary, optarg))
460 goto usage;
461 continue;
462 case '?':
463 case 'h':
464 default:
465usage:
466 fprintf (stderr, "usage: %s [-n] [-D dev | -a | -A usbfs-dir]\n"
467 "\t[-c iterations] [-t testnum]\n"
468 "\t[-s packetsize] [-g sglen] [-v vary]\n",
469 argv [0]);
470 return 1;
471 }
472 if (optind != argc)
473 goto usage;
474 if (!all && !device) {
475 fprintf (stderr, "must specify '-a' or '-D dev', "
476 "or DEVICE=/proc/bus/usb/BBB/DDD in env\n");
477 goto usage;
478 }
479
480 /* Find usbfs mount point */
481 if (!usbfs_dir) {
482 usbfs_dir = usbfs_dir_find();
483 if (!usbfs_dir) {
484 fputs ("usbfs files are missing\n", stderr);
485 return -1;
486 }
487 }
488
489 /* collect and list the test devices */
490 if (ftw (usbfs_dir, find_testdev, 3) != 0) {
491 fputs ("ftw failed; is usbfs missing?\n", stderr);
492 return -1;
493 }
494
495 /* quit, run single test, or create test threads */
496 if (!testdevs && !device) {
497 fputs ("no test devices recognized\n", stderr);
498 return -1;
499 }
500 if (not)
501 return 0;
502 if (testdevs && testdevs->next == 0 && !device)
503 device = testdevs->name;
504 for (entry = testdevs; entry; entry = entry->next) {
505 int status;
506
507 entry->param = param;
508 entry->forever = forever;
509 entry->test = test;
510
511 if (device) {
512 if (strcmp (entry->name, device))
513 continue;
514 return handle_testdev (entry) != entry;
515 }
516 status = pthread_create (&entry->thread, 0, handle_testdev, entry);
517 if (status) {
518 perror ("pthread_create");
519 continue;
520 }
521 }
522 if (device) {
523 struct testdev dev;
524
525 /* kernel can recognize test devices we don't */
526 fprintf (stderr, "%s: %s may see only control tests\n",
527 argv [0], device);
528
529 memset (&dev, 0, sizeof dev);
530 dev.name = device;
531 dev.param = param;
532 dev.forever = forever;
533 dev.test = test;
534 return handle_testdev (&dev) != &dev;
535 }
536
537 /* wait for tests to complete */
538 for (entry = testdevs; entry; entry = entry->next) {
539 void *retval;
540
541 if (pthread_join (entry->thread, &retval))
542 perror ("pthread_join");
543 /* testing errors discarded! */
544 }
545
546 return 0;
547}