Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #include <linux/config.h> |
| 2 | #if !defined (DEBUG) && defined (CONFIG_USB_DEBUG) |
| 3 | # define DEBUG |
| 4 | #endif |
| 5 | #include <linux/kernel.h> |
| 6 | #include <linux/errno.h> |
| 7 | #include <linux/init.h> |
| 8 | #include <linux/slab.h> |
| 9 | #include <linux/mm.h> |
| 10 | #include <linux/module.h> |
| 11 | #include <linux/moduleparam.h> |
| 12 | #include <asm/scatterlist.h> |
| 13 | |
| 14 | #include <linux/usb.h> |
| 15 | |
| 16 | |
| 17 | /*-------------------------------------------------------------------------*/ |
| 18 | |
| 19 | // FIXME make these public somewhere; usbdevfs.h? |
| 20 | // |
| 21 | struct usbtest_param { |
| 22 | // inputs |
| 23 | unsigned test_num; /* 0..(TEST_CASES-1) */ |
| 24 | unsigned iterations; |
| 25 | unsigned length; |
| 26 | unsigned vary; |
| 27 | unsigned sglen; |
| 28 | |
| 29 | // outputs |
| 30 | struct timeval duration; |
| 31 | }; |
| 32 | #define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) |
| 33 | |
| 34 | /*-------------------------------------------------------------------------*/ |
| 35 | |
| 36 | #define GENERIC /* let probe() bind using module params */ |
| 37 | |
| 38 | /* Some devices that can be used for testing will have "real" drivers. |
| 39 | * Entries for those need to be enabled here by hand, after disabling |
| 40 | * that "real" driver. |
| 41 | */ |
| 42 | //#define IBOT2 /* grab iBOT2 webcams */ |
| 43 | //#define KEYSPAN_19Qi /* grab un-renumerated serial adapter */ |
| 44 | |
| 45 | /*-------------------------------------------------------------------------*/ |
| 46 | |
| 47 | struct usbtest_info { |
| 48 | const char *name; |
| 49 | u8 ep_in; /* bulk/intr source */ |
| 50 | u8 ep_out; /* bulk/intr sink */ |
| 51 | unsigned autoconf : 1; |
| 52 | unsigned ctrl_out : 1; |
| 53 | unsigned iso : 1; /* try iso in/out */ |
| 54 | int alt; |
| 55 | }; |
| 56 | |
| 57 | /* this is accessed only through usbfs ioctl calls. |
| 58 | * one ioctl to issue a test ... one lock per device. |
| 59 | * tests create other threads if they need them. |
| 60 | * urbs and buffers are allocated dynamically, |
| 61 | * and data generated deterministically. |
| 62 | */ |
| 63 | struct usbtest_dev { |
| 64 | struct usb_interface *intf; |
| 65 | struct usbtest_info *info; |
| 66 | int in_pipe; |
| 67 | int out_pipe; |
| 68 | int in_iso_pipe; |
| 69 | int out_iso_pipe; |
| 70 | struct usb_endpoint_descriptor *iso_in, *iso_out; |
| 71 | struct semaphore sem; |
| 72 | |
| 73 | #define TBUF_SIZE 256 |
| 74 | u8 *buf; |
| 75 | }; |
| 76 | |
| 77 | static struct usb_device *testdev_to_usbdev (struct usbtest_dev *test) |
| 78 | { |
| 79 | return interface_to_usbdev (test->intf); |
| 80 | } |
| 81 | |
| 82 | /* set up all urbs so they can be used with either bulk or interrupt */ |
| 83 | #define INTERRUPT_RATE 1 /* msec/transfer */ |
| 84 | |
| 85 | #define xprintk(tdev,level,fmt,args...) \ |
| 86 | dev_printk(level , &(tdev)->intf->dev , fmt , ## args) |
| 87 | |
| 88 | #ifdef DEBUG |
| 89 | #define DBG(dev,fmt,args...) \ |
| 90 | xprintk(dev , KERN_DEBUG , fmt , ## args) |
| 91 | #else |
| 92 | #define DBG(dev,fmt,args...) \ |
| 93 | do { } while (0) |
| 94 | #endif /* DEBUG */ |
| 95 | |
| 96 | #ifdef VERBOSE |
| 97 | #define VDBG DBG |
| 98 | #else |
| 99 | #define VDBG(dev,fmt,args...) \ |
| 100 | do { } while (0) |
| 101 | #endif /* VERBOSE */ |
| 102 | |
| 103 | #define ERROR(dev,fmt,args...) \ |
| 104 | xprintk(dev , KERN_ERR , fmt , ## args) |
| 105 | #define WARN(dev,fmt,args...) \ |
| 106 | xprintk(dev , KERN_WARNING , fmt , ## args) |
| 107 | #define INFO(dev,fmt,args...) \ |
| 108 | xprintk(dev , KERN_INFO , fmt , ## args) |
| 109 | |
| 110 | /*-------------------------------------------------------------------------*/ |
| 111 | |
| 112 | static int |
| 113 | get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) |
| 114 | { |
| 115 | int tmp; |
| 116 | struct usb_host_interface *alt; |
| 117 | struct usb_host_endpoint *in, *out; |
| 118 | struct usb_host_endpoint *iso_in, *iso_out; |
| 119 | struct usb_device *udev; |
| 120 | |
| 121 | for (tmp = 0; tmp < intf->num_altsetting; tmp++) { |
| 122 | unsigned ep; |
| 123 | |
| 124 | in = out = NULL; |
| 125 | iso_in = iso_out = NULL; |
| 126 | alt = intf->altsetting + tmp; |
| 127 | |
| 128 | /* take the first altsetting with in-bulk + out-bulk; |
| 129 | * ignore other endpoints and altsetttings. |
| 130 | */ |
| 131 | for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { |
| 132 | struct usb_host_endpoint *e; |
| 133 | |
| 134 | e = alt->endpoint + ep; |
| 135 | switch (e->desc.bmAttributes) { |
| 136 | case USB_ENDPOINT_XFER_BULK: |
| 137 | break; |
| 138 | case USB_ENDPOINT_XFER_ISOC: |
| 139 | if (dev->info->iso) |
| 140 | goto try_iso; |
| 141 | // FALLTHROUGH |
| 142 | default: |
| 143 | continue; |
| 144 | } |
| 145 | if (e->desc.bEndpointAddress & USB_DIR_IN) { |
| 146 | if (!in) |
| 147 | in = e; |
| 148 | } else { |
| 149 | if (!out) |
| 150 | out = e; |
| 151 | } |
| 152 | continue; |
| 153 | try_iso: |
| 154 | if (e->desc.bEndpointAddress & USB_DIR_IN) { |
| 155 | if (!iso_in) |
| 156 | iso_in = e; |
| 157 | } else { |
| 158 | if (!iso_out) |
| 159 | iso_out = e; |
| 160 | } |
| 161 | } |
| 162 | if ((in && out) || (iso_in && iso_out)) |
| 163 | goto found; |
| 164 | } |
| 165 | return -EINVAL; |
| 166 | |
| 167 | found: |
| 168 | udev = testdev_to_usbdev (dev); |
| 169 | if (alt->desc.bAlternateSetting != 0) { |
| 170 | tmp = usb_set_interface (udev, |
| 171 | alt->desc.bInterfaceNumber, |
| 172 | alt->desc.bAlternateSetting); |
| 173 | if (tmp < 0) |
| 174 | return tmp; |
| 175 | } |
| 176 | |
| 177 | if (in) { |
| 178 | dev->in_pipe = usb_rcvbulkpipe (udev, |
| 179 | in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
| 180 | dev->out_pipe = usb_sndbulkpipe (udev, |
| 181 | out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
| 182 | } |
| 183 | if (iso_in) { |
| 184 | dev->iso_in = &iso_in->desc; |
| 185 | dev->in_iso_pipe = usb_rcvisocpipe (udev, |
| 186 | iso_in->desc.bEndpointAddress |
| 187 | & USB_ENDPOINT_NUMBER_MASK); |
| 188 | dev->iso_out = &iso_out->desc; |
| 189 | dev->out_iso_pipe = usb_sndisocpipe (udev, |
| 190 | iso_out->desc.bEndpointAddress |
| 191 | & USB_ENDPOINT_NUMBER_MASK); |
| 192 | } |
| 193 | return 0; |
| 194 | } |
| 195 | |
| 196 | /*-------------------------------------------------------------------------*/ |
| 197 | |
| 198 | /* Support for testing basic non-queued I/O streams. |
| 199 | * |
| 200 | * These just package urbs as requests that can be easily canceled. |
| 201 | * Each urb's data buffer is dynamically allocated; callers can fill |
| 202 | * them with non-zero test data (or test for it) when appropriate. |
| 203 | */ |
| 204 | |
| 205 | static void simple_callback (struct urb *urb, struct pt_regs *regs) |
| 206 | { |
| 207 | complete ((struct completion *) urb->context); |
| 208 | } |
| 209 | |
| 210 | static struct urb *simple_alloc_urb ( |
| 211 | struct usb_device *udev, |
| 212 | int pipe, |
| 213 | unsigned long bytes |
| 214 | ) |
| 215 | { |
| 216 | struct urb *urb; |
| 217 | |
| 218 | if (bytes < 0) |
| 219 | return NULL; |
| 220 | urb = usb_alloc_urb (0, SLAB_KERNEL); |
| 221 | if (!urb) |
| 222 | return urb; |
| 223 | usb_fill_bulk_urb (urb, udev, pipe, NULL, bytes, simple_callback, NULL); |
| 224 | urb->interval = (udev->speed == USB_SPEED_HIGH) |
| 225 | ? (INTERRUPT_RATE << 3) |
| 226 | : INTERRUPT_RATE; |
| 227 | urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; |
| 228 | if (usb_pipein (pipe)) |
| 229 | urb->transfer_flags |= URB_SHORT_NOT_OK; |
| 230 | urb->transfer_buffer = usb_buffer_alloc (udev, bytes, SLAB_KERNEL, |
| 231 | &urb->transfer_dma); |
| 232 | if (!urb->transfer_buffer) { |
| 233 | usb_free_urb (urb); |
| 234 | urb = NULL; |
| 235 | } else |
| 236 | memset (urb->transfer_buffer, 0, bytes); |
| 237 | return urb; |
| 238 | } |
| 239 | |
| 240 | static unsigned pattern = 0; |
| 241 | module_param (pattern, uint, S_IRUGO); |
| 242 | // MODULE_PARM_DESC (pattern, "i/o pattern (0 == zeroes)"); |
| 243 | |
| 244 | static inline void simple_fill_buf (struct urb *urb) |
| 245 | { |
| 246 | unsigned i; |
| 247 | u8 *buf = urb->transfer_buffer; |
| 248 | unsigned len = urb->transfer_buffer_length; |
| 249 | |
| 250 | switch (pattern) { |
| 251 | default: |
| 252 | // FALLTHROUGH |
| 253 | case 0: |
| 254 | memset (buf, 0, len); |
| 255 | break; |
| 256 | case 1: /* mod63 */ |
| 257 | for (i = 0; i < len; i++) |
| 258 | *buf++ = (u8) (i % 63); |
| 259 | break; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | static inline int simple_check_buf (struct urb *urb) |
| 264 | { |
| 265 | unsigned i; |
| 266 | u8 expected; |
| 267 | u8 *buf = urb->transfer_buffer; |
| 268 | unsigned len = urb->actual_length; |
| 269 | |
| 270 | for (i = 0; i < len; i++, buf++) { |
| 271 | switch (pattern) { |
| 272 | /* all-zeroes has no synchronization issues */ |
| 273 | case 0: |
| 274 | expected = 0; |
| 275 | break; |
| 276 | /* mod63 stays in sync with short-terminated transfers, |
| 277 | * or otherwise when host and gadget agree on how large |
| 278 | * each usb transfer request should be. resync is done |
| 279 | * with set_interface or set_config. |
| 280 | */ |
| 281 | case 1: /* mod63 */ |
| 282 | expected = i % 63; |
| 283 | break; |
| 284 | /* always fail unsupported patterns */ |
| 285 | default: |
| 286 | expected = !*buf; |
| 287 | break; |
| 288 | } |
| 289 | if (*buf == expected) |
| 290 | continue; |
| 291 | dbg ("buf[%d] = %d (not %d)", i, *buf, expected); |
| 292 | return -EINVAL; |
| 293 | } |
| 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | static void simple_free_urb (struct urb *urb) |
| 298 | { |
| 299 | usb_buffer_free (urb->dev, urb->transfer_buffer_length, |
| 300 | urb->transfer_buffer, urb->transfer_dma); |
| 301 | usb_free_urb (urb); |
| 302 | } |
| 303 | |
| 304 | static int simple_io ( |
| 305 | struct urb *urb, |
| 306 | int iterations, |
| 307 | int vary, |
| 308 | int expected, |
| 309 | const char *label |
| 310 | ) |
| 311 | { |
| 312 | struct usb_device *udev = urb->dev; |
| 313 | int max = urb->transfer_buffer_length; |
| 314 | struct completion completion; |
| 315 | int retval = 0; |
| 316 | |
| 317 | urb->context = &completion; |
| 318 | while (retval == 0 && iterations-- > 0) { |
| 319 | init_completion (&completion); |
| 320 | if (usb_pipeout (urb->pipe)) |
| 321 | simple_fill_buf (urb); |
| 322 | if ((retval = usb_submit_urb (urb, SLAB_KERNEL)) != 0) |
| 323 | break; |
| 324 | |
| 325 | /* NOTE: no timeouts; can't be broken out of by interrupt */ |
| 326 | wait_for_completion (&completion); |
| 327 | retval = urb->status; |
| 328 | urb->dev = udev; |
| 329 | if (retval == 0 && usb_pipein (urb->pipe)) |
| 330 | retval = simple_check_buf (urb); |
| 331 | |
| 332 | if (vary) { |
| 333 | int len = urb->transfer_buffer_length; |
| 334 | |
| 335 | len += vary; |
| 336 | len %= max; |
| 337 | if (len == 0) |
| 338 | len = (vary < max) ? vary : max; |
| 339 | urb->transfer_buffer_length = len; |
| 340 | } |
| 341 | |
| 342 | /* FIXME if endpoint halted, clear halt (and log) */ |
| 343 | } |
| 344 | urb->transfer_buffer_length = max; |
| 345 | |
| 346 | if (expected != retval) |
| 347 | dev_dbg (&udev->dev, |
| 348 | "%s failed, iterations left %d, status %d (not %d)\n", |
| 349 | label, iterations, retval, expected); |
| 350 | return retval; |
| 351 | } |
| 352 | |
| 353 | |
| 354 | /*-------------------------------------------------------------------------*/ |
| 355 | |
| 356 | /* We use scatterlist primitives to test queued I/O. |
| 357 | * Yes, this also tests the scatterlist primitives. |
| 358 | */ |
| 359 | |
| 360 | static void free_sglist (struct scatterlist *sg, int nents) |
| 361 | { |
| 362 | unsigned i; |
| 363 | |
| 364 | if (!sg) |
| 365 | return; |
| 366 | for (i = 0; i < nents; i++) { |
| 367 | if (!sg [i].page) |
| 368 | continue; |
| 369 | kfree (page_address (sg [i].page) + sg [i].offset); |
| 370 | } |
| 371 | kfree (sg); |
| 372 | } |
| 373 | |
| 374 | static struct scatterlist * |
| 375 | alloc_sglist (int nents, int max, int vary) |
| 376 | { |
| 377 | struct scatterlist *sg; |
| 378 | unsigned i; |
| 379 | unsigned size = max; |
| 380 | |
| 381 | sg = kmalloc (nents * sizeof *sg, SLAB_KERNEL); |
| 382 | if (!sg) |
| 383 | return NULL; |
| 384 | memset (sg, 0, nents * sizeof *sg); |
| 385 | |
| 386 | for (i = 0; i < nents; i++) { |
| 387 | char *buf; |
| 388 | |
| 389 | buf = kmalloc (size, SLAB_KERNEL); |
| 390 | if (!buf) { |
| 391 | free_sglist (sg, i); |
| 392 | return NULL; |
| 393 | } |
| 394 | memset (buf, 0, size); |
| 395 | |
| 396 | /* kmalloc pages are always physically contiguous! */ |
| 397 | sg [i].page = virt_to_page (buf); |
| 398 | sg [i].offset = offset_in_page (buf); |
| 399 | sg [i].length = size; |
| 400 | |
| 401 | if (vary) { |
| 402 | size += vary; |
| 403 | size %= max; |
| 404 | if (size == 0) |
| 405 | size = (vary < max) ? vary : max; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | return sg; |
| 410 | } |
| 411 | |
| 412 | static int perform_sglist ( |
| 413 | struct usb_device *udev, |
| 414 | unsigned iterations, |
| 415 | int pipe, |
| 416 | struct usb_sg_request *req, |
| 417 | struct scatterlist *sg, |
| 418 | int nents |
| 419 | ) |
| 420 | { |
| 421 | int retval = 0; |
| 422 | |
| 423 | while (retval == 0 && iterations-- > 0) { |
| 424 | retval = usb_sg_init (req, udev, pipe, |
| 425 | (udev->speed == USB_SPEED_HIGH) |
| 426 | ? (INTERRUPT_RATE << 3) |
| 427 | : INTERRUPT_RATE, |
| 428 | sg, nents, 0, SLAB_KERNEL); |
| 429 | |
| 430 | if (retval) |
| 431 | break; |
| 432 | usb_sg_wait (req); |
| 433 | retval = req->status; |
| 434 | |
| 435 | /* FIXME if endpoint halted, clear halt (and log) */ |
| 436 | } |
| 437 | |
| 438 | // FIXME for unlink or fault handling tests, don't report |
| 439 | // failure if retval is as we expected ... |
| 440 | |
| 441 | if (retval) |
| 442 | dbg ("perform_sglist failed, iterations left %d, status %d", |
| 443 | iterations, retval); |
| 444 | return retval; |
| 445 | } |
| 446 | |
| 447 | |
| 448 | /*-------------------------------------------------------------------------*/ |
| 449 | |
| 450 | /* unqueued control message testing |
| 451 | * |
| 452 | * there's a nice set of device functional requirements in chapter 9 of the |
| 453 | * usb 2.0 spec, which we can apply to ANY device, even ones that don't use |
| 454 | * special test firmware. |
| 455 | * |
| 456 | * we know the device is configured (or suspended) by the time it's visible |
| 457 | * through usbfs. we can't change that, so we won't test enumeration (which |
| 458 | * worked 'well enough' to get here, this time), power management (ditto), |
| 459 | * or remote wakeup (which needs human interaction). |
| 460 | */ |
| 461 | |
| 462 | static unsigned realworld = 1; |
| 463 | module_param (realworld, uint, 0); |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 464 | MODULE_PARM_DESC (realworld, "clear to demand stricter spec compliance"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | |
| 466 | static int get_altsetting (struct usbtest_dev *dev) |
| 467 | { |
| 468 | struct usb_interface *iface = dev->intf; |
| 469 | struct usb_device *udev = interface_to_usbdev (iface); |
| 470 | int retval; |
| 471 | |
| 472 | retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), |
| 473 | USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, |
| 474 | 0, iface->altsetting [0].desc.bInterfaceNumber, |
| 475 | dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
| 476 | switch (retval) { |
| 477 | case 1: |
| 478 | return dev->buf [0]; |
| 479 | case 0: |
| 480 | retval = -ERANGE; |
| 481 | // FALLTHROUGH |
| 482 | default: |
| 483 | return retval; |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | static int set_altsetting (struct usbtest_dev *dev, int alternate) |
| 488 | { |
| 489 | struct usb_interface *iface = dev->intf; |
| 490 | struct usb_device *udev; |
| 491 | |
| 492 | if (alternate < 0 || alternate >= 256) |
| 493 | return -EINVAL; |
| 494 | |
| 495 | udev = interface_to_usbdev (iface); |
| 496 | return usb_set_interface (udev, |
| 497 | iface->altsetting [0].desc.bInterfaceNumber, |
| 498 | alternate); |
| 499 | } |
| 500 | |
| 501 | static int is_good_config (char *buf, int len) |
| 502 | { |
| 503 | struct usb_config_descriptor *config; |
| 504 | |
| 505 | if (len < sizeof *config) |
| 506 | return 0; |
| 507 | config = (struct usb_config_descriptor *) buf; |
| 508 | |
| 509 | switch (config->bDescriptorType) { |
| 510 | case USB_DT_CONFIG: |
| 511 | case USB_DT_OTHER_SPEED_CONFIG: |
| 512 | if (config->bLength != 9) { |
| 513 | dbg ("bogus config descriptor length"); |
| 514 | return 0; |
| 515 | } |
| 516 | /* this bit 'must be 1' but often isn't */ |
| 517 | if (!realworld && !(config->bmAttributes & 0x80)) { |
| 518 | dbg ("high bit of config attributes not set"); |
| 519 | return 0; |
| 520 | } |
| 521 | if (config->bmAttributes & 0x1f) { /* reserved == 0 */ |
| 522 | dbg ("reserved config bits set"); |
| 523 | return 0; |
| 524 | } |
| 525 | break; |
| 526 | default: |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ |
| 531 | return 1; |
| 532 | if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ |
| 533 | return 1; |
| 534 | dbg ("bogus config descriptor read size"); |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | /* sanity test for standard requests working with usb_control_mesg() and some |
| 539 | * of the utility functions which use it. |
| 540 | * |
| 541 | * this doesn't test how endpoint halts behave or data toggles get set, since |
| 542 | * we won't do I/O to bulk/interrupt endpoints here (which is how to change |
| 543 | * halt or toggle). toggle testing is impractical without support from hcds. |
| 544 | * |
| 545 | * this avoids failing devices linux would normally work with, by not testing |
| 546 | * config/altsetting operations for devices that only support their defaults. |
| 547 | * such devices rarely support those needless operations. |
| 548 | * |
| 549 | * NOTE that since this is a sanity test, it's not examining boundary cases |
| 550 | * to see if usbcore, hcd, and device all behave right. such testing would |
| 551 | * involve varied read sizes and other operation sequences. |
| 552 | */ |
| 553 | static int ch9_postconfig (struct usbtest_dev *dev) |
| 554 | { |
| 555 | struct usb_interface *iface = dev->intf; |
| 556 | struct usb_device *udev = interface_to_usbdev (iface); |
| 557 | int i, alt, retval; |
| 558 | |
| 559 | /* [9.2.3] if there's more than one altsetting, we need to be able to |
| 560 | * set and get each one. mostly trusts the descriptors from usbcore. |
| 561 | */ |
| 562 | for (i = 0; i < iface->num_altsetting; i++) { |
| 563 | |
| 564 | /* 9.2.3 constrains the range here */ |
| 565 | alt = iface->altsetting [i].desc.bAlternateSetting; |
| 566 | if (alt < 0 || alt >= iface->num_altsetting) { |
| 567 | dev_dbg (&iface->dev, |
| 568 | "invalid alt [%d].bAltSetting = %d\n", |
| 569 | i, alt); |
| 570 | } |
| 571 | |
| 572 | /* [real world] get/set unimplemented if there's only one */ |
| 573 | if (realworld && iface->num_altsetting == 1) |
| 574 | continue; |
| 575 | |
| 576 | /* [9.4.10] set_interface */ |
| 577 | retval = set_altsetting (dev, alt); |
| 578 | if (retval) { |
| 579 | dev_dbg (&iface->dev, "can't set_interface = %d, %d\n", |
| 580 | alt, retval); |
| 581 | return retval; |
| 582 | } |
| 583 | |
| 584 | /* [9.4.4] get_interface always works */ |
| 585 | retval = get_altsetting (dev); |
| 586 | if (retval != alt) { |
| 587 | dev_dbg (&iface->dev, "get alt should be %d, was %d\n", |
| 588 | alt, retval); |
| 589 | return (retval < 0) ? retval : -EDOM; |
| 590 | } |
| 591 | |
| 592 | } |
| 593 | |
| 594 | /* [real world] get_config unimplemented if there's only one */ |
| 595 | if (!realworld || udev->descriptor.bNumConfigurations != 1) { |
| 596 | int expected = udev->actconfig->desc.bConfigurationValue; |
| 597 | |
| 598 | /* [9.4.2] get_configuration always works |
| 599 | * ... although some cheap devices (like one TI Hub I've got) |
| 600 | * won't return config descriptors except before set_config. |
| 601 | */ |
| 602 | retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), |
| 603 | USB_REQ_GET_CONFIGURATION, |
| 604 | USB_DIR_IN | USB_RECIP_DEVICE, |
| 605 | 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
| 606 | if (retval != 1 || dev->buf [0] != expected) { |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 607 | dev_dbg (&iface->dev, "get config --> %d %d (1 %d)\n", |
| 608 | retval, dev->buf[0], expected); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | return (retval < 0) ? retval : -EDOM; |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | /* there's always [9.4.3] a device descriptor [9.6.1] */ |
| 614 | retval = usb_get_descriptor (udev, USB_DT_DEVICE, 0, |
| 615 | dev->buf, sizeof udev->descriptor); |
| 616 | if (retval != sizeof udev->descriptor) { |
| 617 | dev_dbg (&iface->dev, "dev descriptor --> %d\n", retval); |
| 618 | return (retval < 0) ? retval : -EDOM; |
| 619 | } |
| 620 | |
| 621 | /* there's always [9.4.3] at least one config descriptor [9.6.3] */ |
| 622 | for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { |
| 623 | retval = usb_get_descriptor (udev, USB_DT_CONFIG, i, |
| 624 | dev->buf, TBUF_SIZE); |
| 625 | if (!is_good_config (dev->buf, retval)) { |
| 626 | dev_dbg (&iface->dev, |
| 627 | "config [%d] descriptor --> %d\n", |
| 628 | i, retval); |
| 629 | return (retval < 0) ? retval : -EDOM; |
| 630 | } |
| 631 | |
| 632 | // FIXME cross-checking udev->config[i] to make sure usbcore |
| 633 | // parsed it right (etc) would be good testing paranoia |
| 634 | } |
| 635 | |
| 636 | /* and sometimes [9.2.6.6] speed dependent descriptors */ |
| 637 | if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { |
| 638 | struct usb_qualifier_descriptor *d = NULL; |
| 639 | |
| 640 | /* device qualifier [9.6.2] */ |
| 641 | retval = usb_get_descriptor (udev, |
| 642 | USB_DT_DEVICE_QUALIFIER, 0, dev->buf, |
| 643 | sizeof (struct usb_qualifier_descriptor)); |
| 644 | if (retval == -EPIPE) { |
| 645 | if (udev->speed == USB_SPEED_HIGH) { |
| 646 | dev_dbg (&iface->dev, |
| 647 | "hs dev qualifier --> %d\n", |
| 648 | retval); |
| 649 | return (retval < 0) ? retval : -EDOM; |
| 650 | } |
| 651 | /* usb2.0 but not high-speed capable; fine */ |
| 652 | } else if (retval != sizeof (struct usb_qualifier_descriptor)) { |
| 653 | dev_dbg (&iface->dev, "dev qualifier --> %d\n", retval); |
| 654 | return (retval < 0) ? retval : -EDOM; |
| 655 | } else |
| 656 | d = (struct usb_qualifier_descriptor *) dev->buf; |
| 657 | |
| 658 | /* might not have [9.6.2] any other-speed configs [9.6.4] */ |
| 659 | if (d) { |
| 660 | unsigned max = d->bNumConfigurations; |
| 661 | for (i = 0; i < max; i++) { |
| 662 | retval = usb_get_descriptor (udev, |
| 663 | USB_DT_OTHER_SPEED_CONFIG, i, |
| 664 | dev->buf, TBUF_SIZE); |
| 665 | if (!is_good_config (dev->buf, retval)) { |
| 666 | dev_dbg (&iface->dev, |
| 667 | "other speed config --> %d\n", |
| 668 | retval); |
| 669 | return (retval < 0) ? retval : -EDOM; |
| 670 | } |
| 671 | } |
| 672 | } |
| 673 | } |
| 674 | // FIXME fetch strings from at least the device descriptor |
| 675 | |
| 676 | /* [9.4.5] get_status always works */ |
| 677 | retval = usb_get_status (udev, USB_RECIP_DEVICE, 0, dev->buf); |
| 678 | if (retval != 2) { |
| 679 | dev_dbg (&iface->dev, "get dev status --> %d\n", retval); |
| 680 | return (retval < 0) ? retval : -EDOM; |
| 681 | } |
| 682 | |
| 683 | // FIXME configuration.bmAttributes says if we could try to set/clear |
| 684 | // the device's remote wakeup feature ... if we can, test that here |
| 685 | |
| 686 | retval = usb_get_status (udev, USB_RECIP_INTERFACE, |
| 687 | iface->altsetting [0].desc.bInterfaceNumber, dev->buf); |
| 688 | if (retval != 2) { |
| 689 | dev_dbg (&iface->dev, "get interface status --> %d\n", retval); |
| 690 | return (retval < 0) ? retval : -EDOM; |
| 691 | } |
| 692 | // FIXME get status for each endpoint in the interface |
| 693 | |
| 694 | return 0; |
| 695 | } |
| 696 | |
| 697 | /*-------------------------------------------------------------------------*/ |
| 698 | |
| 699 | /* use ch9 requests to test whether: |
| 700 | * (a) queues work for control, keeping N subtests queued and |
| 701 | * active (auto-resubmit) for M loops through the queue. |
| 702 | * (b) protocol stalls (control-only) will autorecover. |
| 703 | * it's not like bulk/intr; no halt clearing. |
| 704 | * (c) short control reads are reported and handled. |
| 705 | * (d) queues are always processed in-order |
| 706 | */ |
| 707 | |
| 708 | struct ctrl_ctx { |
| 709 | spinlock_t lock; |
| 710 | struct usbtest_dev *dev; |
| 711 | struct completion complete; |
| 712 | unsigned count; |
| 713 | unsigned pending; |
| 714 | int status; |
| 715 | struct urb **urb; |
| 716 | struct usbtest_param *param; |
| 717 | int last; |
| 718 | }; |
| 719 | |
| 720 | #define NUM_SUBCASES 15 /* how many test subcases here? */ |
| 721 | |
| 722 | struct subcase { |
| 723 | struct usb_ctrlrequest setup; |
| 724 | int number; |
| 725 | int expected; |
| 726 | }; |
| 727 | |
| 728 | static void ctrl_complete (struct urb *urb, struct pt_regs *regs) |
| 729 | { |
| 730 | struct ctrl_ctx *ctx = urb->context; |
| 731 | struct usb_ctrlrequest *reqp; |
| 732 | struct subcase *subcase; |
| 733 | int status = urb->status; |
| 734 | |
| 735 | reqp = (struct usb_ctrlrequest *)urb->setup_packet; |
| 736 | subcase = container_of (reqp, struct subcase, setup); |
| 737 | |
| 738 | spin_lock (&ctx->lock); |
| 739 | ctx->count--; |
| 740 | ctx->pending--; |
| 741 | |
| 742 | /* queue must transfer and complete in fifo order, unless |
| 743 | * usb_unlink_urb() is used to unlink something not at the |
| 744 | * physical queue head (not tested). |
| 745 | */ |
| 746 | if (subcase->number > 0) { |
| 747 | if ((subcase->number - ctx->last) != 1) { |
| 748 | dbg ("subcase %d completed out of order, last %d", |
| 749 | subcase->number, ctx->last); |
| 750 | status = -EDOM; |
| 751 | ctx->last = subcase->number; |
| 752 | goto error; |
| 753 | } |
| 754 | } |
| 755 | ctx->last = subcase->number; |
| 756 | |
| 757 | /* succeed or fault in only one way? */ |
| 758 | if (status == subcase->expected) |
| 759 | status = 0; |
| 760 | |
| 761 | /* async unlink for cleanup? */ |
| 762 | else if (status != -ECONNRESET) { |
| 763 | |
| 764 | /* some faults are allowed, not required */ |
| 765 | if (subcase->expected > 0 && ( |
| 766 | ((urb->status == -subcase->expected /* happened */ |
| 767 | || urb->status == 0)))) /* didn't */ |
| 768 | status = 0; |
| 769 | /* sometimes more than one fault is allowed */ |
| 770 | else if (subcase->number == 12 && status == -EPIPE) |
| 771 | status = 0; |
| 772 | else |
| 773 | dbg ("subtest %d error, status %d", |
| 774 | subcase->number, status); |
| 775 | } |
| 776 | |
| 777 | /* unexpected status codes mean errors; ideally, in hardware */ |
| 778 | if (status) { |
| 779 | error: |
| 780 | if (ctx->status == 0) { |
| 781 | int i; |
| 782 | |
| 783 | ctx->status = status; |
| 784 | info ("control queue %02x.%02x, err %d, %d left", |
| 785 | reqp->bRequestType, reqp->bRequest, |
| 786 | status, ctx->count); |
| 787 | |
| 788 | /* FIXME this "unlink everything" exit route should |
| 789 | * be a separate test case. |
| 790 | */ |
| 791 | |
| 792 | /* unlink whatever's still pending */ |
| 793 | for (i = 1; i < ctx->param->sglen; i++) { |
| 794 | struct urb *u = ctx->urb [ |
| 795 | (i + subcase->number) % ctx->param->sglen]; |
| 796 | |
| 797 | if (u == urb || !u->dev) |
| 798 | continue; |
| 799 | status = usb_unlink_urb (u); |
| 800 | switch (status) { |
| 801 | case -EINPROGRESS: |
| 802 | case -EBUSY: |
| 803 | case -EIDRM: |
| 804 | continue; |
| 805 | default: |
| 806 | dbg ("urb unlink --> %d", status); |
| 807 | } |
| 808 | } |
| 809 | status = ctx->status; |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | /* resubmit if we need to, else mark this as done */ |
| 814 | if ((status == 0) && (ctx->pending < ctx->count)) { |
| 815 | if ((status = usb_submit_urb (urb, SLAB_ATOMIC)) != 0) { |
| 816 | dbg ("can't resubmit ctrl %02x.%02x, err %d", |
| 817 | reqp->bRequestType, reqp->bRequest, status); |
| 818 | urb->dev = NULL; |
| 819 | } else |
| 820 | ctx->pending++; |
| 821 | } else |
| 822 | urb->dev = NULL; |
| 823 | |
| 824 | /* signal completion when nothing's queued */ |
| 825 | if (ctx->pending == 0) |
| 826 | complete (&ctx->complete); |
| 827 | spin_unlock (&ctx->lock); |
| 828 | } |
| 829 | |
| 830 | static int |
| 831 | test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) |
| 832 | { |
| 833 | struct usb_device *udev = testdev_to_usbdev (dev); |
| 834 | struct urb **urb; |
| 835 | struct ctrl_ctx context; |
| 836 | int i; |
| 837 | |
| 838 | spin_lock_init (&context.lock); |
| 839 | context.dev = dev; |
| 840 | init_completion (&context.complete); |
| 841 | context.count = param->sglen * param->iterations; |
| 842 | context.pending = 0; |
| 843 | context.status = -ENOMEM; |
| 844 | context.param = param; |
| 845 | context.last = -1; |
| 846 | |
| 847 | /* allocate and init the urbs we'll queue. |
| 848 | * as with bulk/intr sglists, sglen is the queue depth; it also |
| 849 | * controls which subtests run (more tests than sglen) or rerun. |
| 850 | */ |
| 851 | urb = kmalloc (param->sglen * sizeof (struct urb *), SLAB_KERNEL); |
| 852 | if (!urb) |
| 853 | return -ENOMEM; |
| 854 | memset (urb, 0, param->sglen * sizeof (struct urb *)); |
| 855 | for (i = 0; i < param->sglen; i++) { |
| 856 | int pipe = usb_rcvctrlpipe (udev, 0); |
| 857 | unsigned len; |
| 858 | struct urb *u; |
| 859 | struct usb_ctrlrequest req; |
| 860 | struct subcase *reqp; |
| 861 | int expected = 0; |
| 862 | |
| 863 | /* requests here are mostly expected to succeed on any |
| 864 | * device, but some are chosen to trigger protocol stalls |
| 865 | * or short reads. |
| 866 | */ |
| 867 | memset (&req, 0, sizeof req); |
| 868 | req.bRequest = USB_REQ_GET_DESCRIPTOR; |
| 869 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; |
| 870 | |
| 871 | switch (i % NUM_SUBCASES) { |
| 872 | case 0: // get device descriptor |
| 873 | req.wValue = cpu_to_le16 (USB_DT_DEVICE << 8); |
| 874 | len = sizeof (struct usb_device_descriptor); |
| 875 | break; |
| 876 | case 1: // get first config descriptor (only) |
| 877 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); |
| 878 | len = sizeof (struct usb_config_descriptor); |
| 879 | break; |
| 880 | case 2: // get altsetting (OFTEN STALLS) |
| 881 | req.bRequest = USB_REQ_GET_INTERFACE; |
| 882 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; |
| 883 | // index = 0 means first interface |
| 884 | len = 1; |
| 885 | expected = EPIPE; |
| 886 | break; |
| 887 | case 3: // get interface status |
| 888 | req.bRequest = USB_REQ_GET_STATUS; |
| 889 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; |
| 890 | // interface 0 |
| 891 | len = 2; |
| 892 | break; |
| 893 | case 4: // get device status |
| 894 | req.bRequest = USB_REQ_GET_STATUS; |
| 895 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; |
| 896 | len = 2; |
| 897 | break; |
| 898 | case 5: // get device qualifier (MAY STALL) |
| 899 | req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); |
| 900 | len = sizeof (struct usb_qualifier_descriptor); |
| 901 | if (udev->speed != USB_SPEED_HIGH) |
| 902 | expected = EPIPE; |
| 903 | break; |
| 904 | case 6: // get first config descriptor, plus interface |
| 905 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); |
| 906 | len = sizeof (struct usb_config_descriptor); |
| 907 | len += sizeof (struct usb_interface_descriptor); |
| 908 | break; |
| 909 | case 7: // get interface descriptor (ALWAYS STALLS) |
| 910 | req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); |
| 911 | // interface == 0 |
| 912 | len = sizeof (struct usb_interface_descriptor); |
| 913 | expected = EPIPE; |
| 914 | break; |
| 915 | // NOTE: two consecutive stalls in the queue here. |
| 916 | // that tests fault recovery a bit more aggressively. |
| 917 | case 8: // clear endpoint halt (USUALLY STALLS) |
| 918 | req.bRequest = USB_REQ_CLEAR_FEATURE; |
| 919 | req.bRequestType = USB_RECIP_ENDPOINT; |
| 920 | // wValue 0 == ep halt |
| 921 | // wIndex 0 == ep0 (shouldn't halt!) |
| 922 | len = 0; |
| 923 | pipe = usb_sndctrlpipe (udev, 0); |
| 924 | expected = EPIPE; |
| 925 | break; |
| 926 | case 9: // get endpoint status |
| 927 | req.bRequest = USB_REQ_GET_STATUS; |
| 928 | req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; |
| 929 | // endpoint 0 |
| 930 | len = 2; |
| 931 | break; |
| 932 | case 10: // trigger short read (EREMOTEIO) |
| 933 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); |
| 934 | len = 1024; |
| 935 | expected = -EREMOTEIO; |
| 936 | break; |
| 937 | // NOTE: two consecutive _different_ faults in the queue. |
| 938 | case 11: // get endpoint descriptor (ALWAYS STALLS) |
| 939 | req.wValue = cpu_to_le16 (USB_DT_ENDPOINT << 8); |
| 940 | // endpoint == 0 |
| 941 | len = sizeof (struct usb_interface_descriptor); |
| 942 | expected = EPIPE; |
| 943 | break; |
| 944 | // NOTE: sometimes even a third fault in the queue! |
| 945 | case 12: // get string 0 descriptor (MAY STALL) |
| 946 | req.wValue = cpu_to_le16 (USB_DT_STRING << 8); |
| 947 | // string == 0, for language IDs |
| 948 | len = sizeof (struct usb_interface_descriptor); |
| 949 | // may succeed when > 4 languages |
| 950 | expected = EREMOTEIO; // or EPIPE, if no strings |
| 951 | break; |
| 952 | case 13: // short read, resembling case 10 |
| 953 | req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); |
| 954 | // last data packet "should" be DATA1, not DATA0 |
| 955 | len = 1024 - udev->descriptor.bMaxPacketSize0; |
| 956 | expected = -EREMOTEIO; |
| 957 | break; |
| 958 | case 14: // short read; try to fill the last packet |
| 959 | req.wValue = cpu_to_le16 ((USB_DT_DEVICE << 8) | 0); |
| 960 | // device descriptor size == 18 bytes |
| 961 | len = udev->descriptor.bMaxPacketSize0; |
| 962 | switch (len) { |
| 963 | case 8: len = 24; break; |
| 964 | case 16: len = 32; break; |
| 965 | } |
| 966 | expected = -EREMOTEIO; |
| 967 | break; |
| 968 | default: |
| 969 | err ("bogus number of ctrl queue testcases!"); |
| 970 | context.status = -EINVAL; |
| 971 | goto cleanup; |
| 972 | } |
| 973 | req.wLength = cpu_to_le16 (len); |
| 974 | urb [i] = u = simple_alloc_urb (udev, pipe, len); |
| 975 | if (!u) |
| 976 | goto cleanup; |
| 977 | |
| 978 | reqp = usb_buffer_alloc (udev, sizeof *reqp, SLAB_KERNEL, |
| 979 | &u->setup_dma); |
| 980 | if (!reqp) |
| 981 | goto cleanup; |
| 982 | reqp->setup = req; |
| 983 | reqp->number = i % NUM_SUBCASES; |
| 984 | reqp->expected = expected; |
| 985 | u->setup_packet = (char *) &reqp->setup; |
Alan Stern | 3e8a556 | 2005-10-18 10:08:31 -0400 | [diff] [blame] | 986 | u->transfer_flags |= URB_NO_SETUP_DMA_MAP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 987 | |
| 988 | u->context = &context; |
| 989 | u->complete = ctrl_complete; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 990 | } |
| 991 | |
| 992 | /* queue the urbs */ |
| 993 | context.urb = urb; |
| 994 | spin_lock_irq (&context.lock); |
| 995 | for (i = 0; i < param->sglen; i++) { |
| 996 | context.status = usb_submit_urb (urb [i], SLAB_ATOMIC); |
| 997 | if (context.status != 0) { |
| 998 | dbg ("can't submit urb[%d], status %d", |
| 999 | i, context.status); |
| 1000 | context.count = context.pending; |
| 1001 | break; |
| 1002 | } |
| 1003 | context.pending++; |
| 1004 | } |
| 1005 | spin_unlock_irq (&context.lock); |
| 1006 | |
| 1007 | /* FIXME set timer and time out; provide a disconnect hook */ |
| 1008 | |
| 1009 | /* wait for the last one to complete */ |
| 1010 | if (context.pending > 0) |
| 1011 | wait_for_completion (&context.complete); |
| 1012 | |
| 1013 | cleanup: |
| 1014 | for (i = 0; i < param->sglen; i++) { |
| 1015 | if (!urb [i]) |
| 1016 | continue; |
| 1017 | urb [i]->dev = udev; |
| 1018 | if (urb [i]->setup_packet) |
| 1019 | usb_buffer_free (udev, sizeof (struct usb_ctrlrequest), |
| 1020 | urb [i]->setup_packet, |
| 1021 | urb [i]->setup_dma); |
| 1022 | simple_free_urb (urb [i]); |
| 1023 | } |
| 1024 | kfree (urb); |
| 1025 | return context.status; |
| 1026 | } |
| 1027 | #undef NUM_SUBCASES |
| 1028 | |
| 1029 | |
| 1030 | /*-------------------------------------------------------------------------*/ |
| 1031 | |
| 1032 | static void unlink1_callback (struct urb *urb, struct pt_regs *regs) |
| 1033 | { |
| 1034 | int status = urb->status; |
| 1035 | |
| 1036 | // we "know" -EPIPE (stall) never happens |
| 1037 | if (!status) |
| 1038 | status = usb_submit_urb (urb, SLAB_ATOMIC); |
| 1039 | if (status) { |
| 1040 | urb->status = status; |
| 1041 | complete ((struct completion *) urb->context); |
| 1042 | } |
| 1043 | } |
| 1044 | |
| 1045 | static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) |
| 1046 | { |
| 1047 | struct urb *urb; |
| 1048 | struct completion completion; |
| 1049 | int retval = 0; |
| 1050 | |
| 1051 | init_completion (&completion); |
| 1052 | urb = simple_alloc_urb (testdev_to_usbdev (dev), pipe, size); |
| 1053 | if (!urb) |
| 1054 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | urb->context = &completion; |
| 1056 | urb->complete = unlink1_callback; |
| 1057 | |
| 1058 | /* keep the endpoint busy. there are lots of hc/hcd-internal |
| 1059 | * states, and testing should get to all of them over time. |
| 1060 | * |
| 1061 | * FIXME want additional tests for when endpoint is STALLing |
| 1062 | * due to errors, or is just NAKing requests. |
| 1063 | */ |
| 1064 | if ((retval = usb_submit_urb (urb, SLAB_KERNEL)) != 0) { |
| 1065 | dev_dbg (&dev->intf->dev, "submit fail %d\n", retval); |
| 1066 | return retval; |
| 1067 | } |
| 1068 | |
| 1069 | /* unlinking that should always work. variable delay tests more |
| 1070 | * hcd states and code paths, even with little other system load. |
| 1071 | */ |
| 1072 | msleep (jiffies % (2 * INTERRUPT_RATE)); |
| 1073 | if (async) { |
| 1074 | retry: |
| 1075 | retval = usb_unlink_urb (urb); |
| 1076 | if (retval == -EBUSY || retval == -EIDRM) { |
| 1077 | /* we can't unlink urbs while they're completing. |
| 1078 | * or if they've completed, and we haven't resubmitted. |
| 1079 | * "normal" drivers would prevent resubmission, but |
| 1080 | * since we're testing unlink paths, we can't. |
| 1081 | */ |
| 1082 | dev_dbg (&dev->intf->dev, "unlink retry\n"); |
| 1083 | goto retry; |
| 1084 | } |
| 1085 | } else |
| 1086 | usb_kill_urb (urb); |
| 1087 | if (!(retval == 0 || retval == -EINPROGRESS)) { |
| 1088 | dev_dbg (&dev->intf->dev, "unlink fail %d\n", retval); |
| 1089 | return retval; |
| 1090 | } |
| 1091 | |
| 1092 | wait_for_completion (&completion); |
| 1093 | retval = urb->status; |
| 1094 | simple_free_urb (urb); |
| 1095 | |
| 1096 | if (async) |
| 1097 | return (retval == -ECONNRESET) ? 0 : retval - 1000; |
| 1098 | else |
| 1099 | return (retval == -ENOENT || retval == -EPERM) ? |
| 1100 | 0 : retval - 2000; |
| 1101 | } |
| 1102 | |
| 1103 | static int unlink_simple (struct usbtest_dev *dev, int pipe, int len) |
| 1104 | { |
| 1105 | int retval = 0; |
| 1106 | |
| 1107 | /* test sync and async paths */ |
| 1108 | retval = unlink1 (dev, pipe, len, 1); |
| 1109 | if (!retval) |
| 1110 | retval = unlink1 (dev, pipe, len, 0); |
| 1111 | return retval; |
| 1112 | } |
| 1113 | |
| 1114 | /*-------------------------------------------------------------------------*/ |
| 1115 | |
| 1116 | static int verify_not_halted (int ep, struct urb *urb) |
| 1117 | { |
| 1118 | int retval; |
| 1119 | u16 status; |
| 1120 | |
| 1121 | /* shouldn't look or act halted */ |
| 1122 | retval = usb_get_status (urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
| 1123 | if (retval < 0) { |
| 1124 | dbg ("ep %02x couldn't get no-halt status, %d", ep, retval); |
| 1125 | return retval; |
| 1126 | } |
| 1127 | if (status != 0) { |
| 1128 | dbg ("ep %02x bogus status: %04x != 0", ep, status); |
| 1129 | return -EINVAL; |
| 1130 | } |
| 1131 | retval = simple_io (urb, 1, 0, 0, __FUNCTION__); |
| 1132 | if (retval != 0) |
| 1133 | return -EINVAL; |
| 1134 | return 0; |
| 1135 | } |
| 1136 | |
| 1137 | static int verify_halted (int ep, struct urb *urb) |
| 1138 | { |
| 1139 | int retval; |
| 1140 | u16 status; |
| 1141 | |
| 1142 | /* should look and act halted */ |
| 1143 | retval = usb_get_status (urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
| 1144 | if (retval < 0) { |
| 1145 | dbg ("ep %02x couldn't get halt status, %d", ep, retval); |
| 1146 | return retval; |
| 1147 | } |
| 1148 | if (status != 1) { |
| 1149 | dbg ("ep %02x bogus status: %04x != 1", ep, status); |
| 1150 | return -EINVAL; |
| 1151 | } |
| 1152 | retval = simple_io (urb, 1, 0, -EPIPE, __FUNCTION__); |
| 1153 | if (retval != -EPIPE) |
| 1154 | return -EINVAL; |
| 1155 | retval = simple_io (urb, 1, 0, -EPIPE, "verify_still_halted"); |
| 1156 | if (retval != -EPIPE) |
| 1157 | return -EINVAL; |
| 1158 | return 0; |
| 1159 | } |
| 1160 | |
| 1161 | static int test_halt (int ep, struct urb *urb) |
| 1162 | { |
| 1163 | int retval; |
| 1164 | |
| 1165 | /* shouldn't look or act halted now */ |
| 1166 | retval = verify_not_halted (ep, urb); |
| 1167 | if (retval < 0) |
| 1168 | return retval; |
| 1169 | |
| 1170 | /* set halt (protocol test only), verify it worked */ |
| 1171 | retval = usb_control_msg (urb->dev, usb_sndctrlpipe (urb->dev, 0), |
| 1172 | USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, |
| 1173 | USB_ENDPOINT_HALT, ep, |
| 1174 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
| 1175 | if (retval < 0) { |
| 1176 | dbg ("ep %02x couldn't set halt, %d", ep, retval); |
| 1177 | return retval; |
| 1178 | } |
| 1179 | retval = verify_halted (ep, urb); |
| 1180 | if (retval < 0) |
| 1181 | return retval; |
| 1182 | |
| 1183 | /* clear halt (tests API + protocol), verify it worked */ |
| 1184 | retval = usb_clear_halt (urb->dev, urb->pipe); |
| 1185 | if (retval < 0) { |
| 1186 | dbg ("ep %02x couldn't clear halt, %d", ep, retval); |
| 1187 | return retval; |
| 1188 | } |
| 1189 | retval = verify_not_halted (ep, urb); |
| 1190 | if (retval < 0) |
| 1191 | return retval; |
| 1192 | |
| 1193 | /* NOTE: could also verify SET_INTERFACE clear halts ... */ |
| 1194 | |
| 1195 | return 0; |
| 1196 | } |
| 1197 | |
| 1198 | static int halt_simple (struct usbtest_dev *dev) |
| 1199 | { |
| 1200 | int ep; |
| 1201 | int retval = 0; |
| 1202 | struct urb *urb; |
| 1203 | |
| 1204 | urb = simple_alloc_urb (testdev_to_usbdev (dev), 0, 512); |
| 1205 | if (urb == NULL) |
| 1206 | return -ENOMEM; |
| 1207 | |
| 1208 | if (dev->in_pipe) { |
| 1209 | ep = usb_pipeendpoint (dev->in_pipe) | USB_DIR_IN; |
| 1210 | urb->pipe = dev->in_pipe; |
| 1211 | retval = test_halt (ep, urb); |
| 1212 | if (retval < 0) |
| 1213 | goto done; |
| 1214 | } |
| 1215 | |
| 1216 | if (dev->out_pipe) { |
| 1217 | ep = usb_pipeendpoint (dev->out_pipe); |
| 1218 | urb->pipe = dev->out_pipe; |
| 1219 | retval = test_halt (ep, urb); |
| 1220 | } |
| 1221 | done: |
| 1222 | simple_free_urb (urb); |
| 1223 | return retval; |
| 1224 | } |
| 1225 | |
| 1226 | /*-------------------------------------------------------------------------*/ |
| 1227 | |
| 1228 | /* Control OUT tests use the vendor control requests from Intel's |
| 1229 | * USB 2.0 compliance test device: write a buffer, read it back. |
| 1230 | * |
| 1231 | * Intel's spec only _requires_ that it work for one packet, which |
| 1232 | * is pretty weak. Some HCDs place limits here; most devices will |
| 1233 | * need to be able to handle more than one OUT data packet. We'll |
| 1234 | * try whatever we're told to try. |
| 1235 | */ |
| 1236 | static int ctrl_out (struct usbtest_dev *dev, |
| 1237 | unsigned count, unsigned length, unsigned vary) |
| 1238 | { |
| 1239 | unsigned i, j, len, retval; |
| 1240 | u8 *buf; |
| 1241 | char *what = "?"; |
| 1242 | struct usb_device *udev; |
| 1243 | |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1244 | if (length < 1 || length > 0xffff || vary >= length) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1245 | return -EINVAL; |
| 1246 | |
| 1247 | buf = kmalloc(length, SLAB_KERNEL); |
| 1248 | if (!buf) |
| 1249 | return -ENOMEM; |
| 1250 | |
| 1251 | udev = testdev_to_usbdev (dev); |
| 1252 | len = length; |
| 1253 | retval = 0; |
| 1254 | |
| 1255 | /* NOTE: hardware might well act differently if we pushed it |
| 1256 | * with lots back-to-back queued requests. |
| 1257 | */ |
| 1258 | for (i = 0; i < count; i++) { |
| 1259 | /* write patterned data */ |
| 1260 | for (j = 0; j < len; j++) |
| 1261 | buf [j] = i + j; |
| 1262 | retval = usb_control_msg (udev, usb_sndctrlpipe (udev,0), |
| 1263 | 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, |
| 1264 | 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); |
| 1265 | if (retval != len) { |
| 1266 | what = "write"; |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1267 | if (retval >= 0) { |
| 1268 | INFO(dev, "ctrl_out, wlen %d (expected %d)\n", |
| 1269 | retval, len); |
| 1270 | retval = -EBADMSG; |
| 1271 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1272 | break; |
| 1273 | } |
| 1274 | |
| 1275 | /* read it back -- assuming nothing intervened!! */ |
| 1276 | retval = usb_control_msg (udev, usb_rcvctrlpipe (udev,0), |
| 1277 | 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, |
| 1278 | 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); |
| 1279 | if (retval != len) { |
| 1280 | what = "read"; |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1281 | if (retval >= 0) { |
| 1282 | INFO(dev, "ctrl_out, rlen %d (expected %d)\n", |
| 1283 | retval, len); |
| 1284 | retval = -EBADMSG; |
| 1285 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | break; |
| 1287 | } |
| 1288 | |
| 1289 | /* fail if we can't verify */ |
| 1290 | for (j = 0; j < len; j++) { |
| 1291 | if (buf [j] != (u8) (i + j)) { |
| 1292 | INFO (dev, "ctrl_out, byte %d is %d not %d\n", |
| 1293 | j, buf [j], (u8) i + j); |
| 1294 | retval = -EBADMSG; |
| 1295 | break; |
| 1296 | } |
| 1297 | } |
| 1298 | if (retval < 0) { |
| 1299 | what = "verify"; |
| 1300 | break; |
| 1301 | } |
| 1302 | |
| 1303 | len += vary; |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1304 | |
| 1305 | /* [real world] the "zero bytes IN" case isn't really used. |
| 1306 | * hardware can easily trip up in this wierd case, since its |
| 1307 | * status stage is IN, not OUT like other ep0in transfers. |
| 1308 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1309 | if (len > length) |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1310 | len = realworld ? 1 : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1311 | } |
| 1312 | |
| 1313 | if (retval < 0) |
| 1314 | INFO (dev, "ctrl_out %s failed, code %d, count %d\n", |
| 1315 | what, retval, i); |
| 1316 | |
| 1317 | kfree (buf); |
| 1318 | return retval; |
| 1319 | } |
| 1320 | |
| 1321 | /*-------------------------------------------------------------------------*/ |
| 1322 | |
| 1323 | /* ISO tests ... mimics common usage |
| 1324 | * - buffer length is split into N packets (mostly maxpacket sized) |
| 1325 | * - multi-buffers according to sglen |
| 1326 | */ |
| 1327 | |
| 1328 | struct iso_context { |
| 1329 | unsigned count; |
| 1330 | unsigned pending; |
| 1331 | spinlock_t lock; |
| 1332 | struct completion done; |
| 1333 | unsigned long errors; |
| 1334 | struct usbtest_dev *dev; |
| 1335 | }; |
| 1336 | |
| 1337 | static void iso_callback (struct urb *urb, struct pt_regs *regs) |
| 1338 | { |
| 1339 | struct iso_context *ctx = urb->context; |
| 1340 | |
| 1341 | spin_lock(&ctx->lock); |
| 1342 | ctx->count--; |
| 1343 | |
| 1344 | if (urb->error_count > 0) |
| 1345 | ctx->errors += urb->error_count; |
| 1346 | |
| 1347 | if (urb->status == 0 && ctx->count > (ctx->pending - 1)) { |
| 1348 | int status = usb_submit_urb (urb, GFP_ATOMIC); |
| 1349 | switch (status) { |
| 1350 | case 0: |
| 1351 | goto done; |
| 1352 | default: |
| 1353 | dev_dbg (&ctx->dev->intf->dev, |
| 1354 | "iso resubmit err %d\n", |
| 1355 | status); |
| 1356 | /* FALLTHROUGH */ |
| 1357 | case -ENODEV: /* disconnected */ |
| 1358 | break; |
| 1359 | } |
| 1360 | } |
| 1361 | simple_free_urb (urb); |
| 1362 | |
| 1363 | ctx->pending--; |
| 1364 | if (ctx->pending == 0) { |
| 1365 | if (ctx->errors) |
| 1366 | dev_dbg (&ctx->dev->intf->dev, |
| 1367 | "iso test, %lu errors\n", |
| 1368 | ctx->errors); |
| 1369 | complete (&ctx->done); |
| 1370 | } |
| 1371 | done: |
| 1372 | spin_unlock(&ctx->lock); |
| 1373 | } |
| 1374 | |
| 1375 | static struct urb *iso_alloc_urb ( |
| 1376 | struct usb_device *udev, |
| 1377 | int pipe, |
| 1378 | struct usb_endpoint_descriptor *desc, |
| 1379 | long bytes |
| 1380 | ) |
| 1381 | { |
| 1382 | struct urb *urb; |
| 1383 | unsigned i, maxp, packets; |
| 1384 | |
| 1385 | if (bytes < 0 || !desc) |
| 1386 | return NULL; |
| 1387 | maxp = 0x7ff & le16_to_cpu(desc->wMaxPacketSize); |
| 1388 | maxp *= 1 + (0x3 & (le16_to_cpu(desc->wMaxPacketSize) >> 11)); |
| 1389 | packets = (bytes + maxp - 1) / maxp; |
| 1390 | |
| 1391 | urb = usb_alloc_urb (packets, SLAB_KERNEL); |
| 1392 | if (!urb) |
| 1393 | return urb; |
| 1394 | urb->dev = udev; |
| 1395 | urb->pipe = pipe; |
| 1396 | |
| 1397 | urb->number_of_packets = packets; |
| 1398 | urb->transfer_buffer_length = bytes; |
| 1399 | urb->transfer_buffer = usb_buffer_alloc (udev, bytes, SLAB_KERNEL, |
| 1400 | &urb->transfer_dma); |
| 1401 | if (!urb->transfer_buffer) { |
| 1402 | usb_free_urb (urb); |
| 1403 | return NULL; |
| 1404 | } |
| 1405 | memset (urb->transfer_buffer, 0, bytes); |
| 1406 | for (i = 0; i < packets; i++) { |
| 1407 | /* here, only the last packet will be short */ |
| 1408 | urb->iso_frame_desc[i].length = min ((unsigned) bytes, maxp); |
| 1409 | bytes -= urb->iso_frame_desc[i].length; |
| 1410 | |
| 1411 | urb->iso_frame_desc[i].offset = maxp * i; |
| 1412 | } |
| 1413 | |
| 1414 | urb->complete = iso_callback; |
| 1415 | // urb->context = SET BY CALLER |
| 1416 | urb->interval = 1 << (desc->bInterval - 1); |
| 1417 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
| 1418 | return urb; |
| 1419 | } |
| 1420 | |
| 1421 | static int |
| 1422 | test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, |
| 1423 | int pipe, struct usb_endpoint_descriptor *desc) |
| 1424 | { |
| 1425 | struct iso_context context; |
| 1426 | struct usb_device *udev; |
| 1427 | unsigned i; |
| 1428 | unsigned long packets = 0; |
| 1429 | int status; |
| 1430 | struct urb *urbs[10]; /* FIXME no limit */ |
| 1431 | |
| 1432 | if (param->sglen > 10) |
| 1433 | return -EDOM; |
| 1434 | |
| 1435 | context.count = param->iterations * param->sglen; |
| 1436 | context.pending = param->sglen; |
| 1437 | context.errors = 0; |
| 1438 | context.dev = dev; |
| 1439 | init_completion (&context.done); |
| 1440 | spin_lock_init (&context.lock); |
| 1441 | |
| 1442 | memset (urbs, 0, sizeof urbs); |
| 1443 | udev = testdev_to_usbdev (dev); |
| 1444 | dev_dbg (&dev->intf->dev, |
| 1445 | "... iso period %d %sframes, wMaxPacket %04x\n", |
| 1446 | 1 << (desc->bInterval - 1), |
| 1447 | (udev->speed == USB_SPEED_HIGH) ? "micro" : "", |
| 1448 | le16_to_cpu(desc->wMaxPacketSize)); |
| 1449 | |
| 1450 | for (i = 0; i < param->sglen; i++) { |
| 1451 | urbs [i] = iso_alloc_urb (udev, pipe, desc, |
| 1452 | param->length); |
| 1453 | if (!urbs [i]) { |
| 1454 | status = -ENOMEM; |
| 1455 | goto fail; |
| 1456 | } |
| 1457 | packets += urbs[i]->number_of_packets; |
| 1458 | urbs [i]->context = &context; |
| 1459 | } |
| 1460 | packets *= param->iterations; |
| 1461 | dev_dbg (&dev->intf->dev, |
| 1462 | "... total %lu msec (%lu packets)\n", |
| 1463 | (packets * (1 << (desc->bInterval - 1))) |
| 1464 | / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), |
| 1465 | packets); |
| 1466 | |
| 1467 | spin_lock_irq (&context.lock); |
| 1468 | for (i = 0; i < param->sglen; i++) { |
| 1469 | status = usb_submit_urb (urbs [i], SLAB_ATOMIC); |
| 1470 | if (status < 0) { |
| 1471 | ERROR (dev, "submit iso[%d], error %d\n", i, status); |
| 1472 | if (i == 0) { |
| 1473 | spin_unlock_irq (&context.lock); |
| 1474 | goto fail; |
| 1475 | } |
| 1476 | |
| 1477 | simple_free_urb (urbs [i]); |
| 1478 | context.pending--; |
| 1479 | } |
| 1480 | } |
| 1481 | spin_unlock_irq (&context.lock); |
| 1482 | |
| 1483 | wait_for_completion (&context.done); |
| 1484 | return 0; |
| 1485 | |
| 1486 | fail: |
| 1487 | for (i = 0; i < param->sglen; i++) { |
| 1488 | if (urbs [i]) |
| 1489 | simple_free_urb (urbs [i]); |
| 1490 | } |
| 1491 | return status; |
| 1492 | } |
| 1493 | |
| 1494 | /*-------------------------------------------------------------------------*/ |
| 1495 | |
| 1496 | /* We only have this one interface to user space, through usbfs. |
| 1497 | * User mode code can scan usbfs to find N different devices (maybe on |
| 1498 | * different busses) to use when testing, and allocate one thread per |
| 1499 | * test. So discovery is simplified, and we have no device naming issues. |
| 1500 | * |
| 1501 | * Don't use these only as stress/load tests. Use them along with with |
| 1502 | * other USB bus activity: plugging, unplugging, mousing, mp3 playback, |
| 1503 | * video capture, and so on. Run different tests at different times, in |
| 1504 | * different sequences. Nothing here should interact with other devices, |
| 1505 | * except indirectly by consuming USB bandwidth and CPU resources for test |
| 1506 | * threads and request completion. But the only way to know that for sure |
| 1507 | * is to test when HC queues are in use by many devices. |
| 1508 | */ |
| 1509 | |
| 1510 | static int |
| 1511 | usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) |
| 1512 | { |
| 1513 | struct usbtest_dev *dev = usb_get_intfdata (intf); |
| 1514 | struct usb_device *udev = testdev_to_usbdev (dev); |
| 1515 | struct usbtest_param *param = buf; |
| 1516 | int retval = -EOPNOTSUPP; |
| 1517 | struct urb *urb; |
| 1518 | struct scatterlist *sg; |
| 1519 | struct usb_sg_request req; |
| 1520 | struct timeval start; |
| 1521 | unsigned i; |
| 1522 | |
| 1523 | // FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. |
| 1524 | |
| 1525 | if (code != USBTEST_REQUEST) |
| 1526 | return -EOPNOTSUPP; |
| 1527 | |
| 1528 | if (param->iterations <= 0 || param->length < 0 |
| 1529 | || param->sglen < 0 || param->vary < 0) |
| 1530 | return -EINVAL; |
| 1531 | |
| 1532 | if (down_interruptible (&dev->sem)) |
| 1533 | return -ERESTARTSYS; |
| 1534 | |
Pavel Machek | ca078ba | 2005-09-03 15:56:57 -0700 | [diff] [blame] | 1535 | if (intf->dev.power.power_state.event != PM_EVENT_ON) { |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1536 | up (&dev->sem); |
| 1537 | return -EHOSTUNREACH; |
| 1538 | } |
| 1539 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1540 | /* some devices, like ez-usb default devices, need a non-default |
| 1541 | * altsetting to have any active endpoints. some tests change |
| 1542 | * altsettings; force a default so most tests don't need to check. |
| 1543 | */ |
| 1544 | if (dev->info->alt >= 0) { |
| 1545 | int res; |
| 1546 | |
| 1547 | if (intf->altsetting->desc.bInterfaceNumber) { |
| 1548 | up (&dev->sem); |
| 1549 | return -ENODEV; |
| 1550 | } |
| 1551 | res = set_altsetting (dev, dev->info->alt); |
| 1552 | if (res) { |
| 1553 | dev_err (&intf->dev, |
| 1554 | "set altsetting to %d failed, %d\n", |
| 1555 | dev->info->alt, res); |
| 1556 | up (&dev->sem); |
| 1557 | return res; |
| 1558 | } |
| 1559 | } |
| 1560 | |
| 1561 | /* |
| 1562 | * Just a bunch of test cases that every HCD is expected to handle. |
| 1563 | * |
| 1564 | * Some may need specific firmware, though it'd be good to have |
| 1565 | * one firmware image to handle all the test cases. |
| 1566 | * |
| 1567 | * FIXME add more tests! cancel requests, verify the data, control |
| 1568 | * queueing, concurrent read+write threads, and so on. |
| 1569 | */ |
| 1570 | do_gettimeofday (&start); |
| 1571 | switch (param->test_num) { |
| 1572 | |
| 1573 | case 0: |
| 1574 | dev_dbg (&intf->dev, "TEST 0: NOP\n"); |
| 1575 | retval = 0; |
| 1576 | break; |
| 1577 | |
| 1578 | /* Simple non-queued bulk I/O tests */ |
| 1579 | case 1: |
| 1580 | if (dev->out_pipe == 0) |
| 1581 | break; |
| 1582 | dev_dbg (&intf->dev, |
| 1583 | "TEST 1: write %d bytes %u times\n", |
| 1584 | param->length, param->iterations); |
| 1585 | urb = simple_alloc_urb (udev, dev->out_pipe, param->length); |
| 1586 | if (!urb) { |
| 1587 | retval = -ENOMEM; |
| 1588 | break; |
| 1589 | } |
| 1590 | // FIRMWARE: bulk sink (maybe accepts short writes) |
| 1591 | retval = simple_io (urb, param->iterations, 0, 0, "test1"); |
| 1592 | simple_free_urb (urb); |
| 1593 | break; |
| 1594 | case 2: |
| 1595 | if (dev->in_pipe == 0) |
| 1596 | break; |
| 1597 | dev_dbg (&intf->dev, |
| 1598 | "TEST 2: read %d bytes %u times\n", |
| 1599 | param->length, param->iterations); |
| 1600 | urb = simple_alloc_urb (udev, dev->in_pipe, param->length); |
| 1601 | if (!urb) { |
| 1602 | retval = -ENOMEM; |
| 1603 | break; |
| 1604 | } |
| 1605 | // FIRMWARE: bulk source (maybe generates short writes) |
| 1606 | retval = simple_io (urb, param->iterations, 0, 0, "test2"); |
| 1607 | simple_free_urb (urb); |
| 1608 | break; |
| 1609 | case 3: |
| 1610 | if (dev->out_pipe == 0 || param->vary == 0) |
| 1611 | break; |
| 1612 | dev_dbg (&intf->dev, |
| 1613 | "TEST 3: write/%d 0..%d bytes %u times\n", |
| 1614 | param->vary, param->length, param->iterations); |
| 1615 | urb = simple_alloc_urb (udev, dev->out_pipe, param->length); |
| 1616 | if (!urb) { |
| 1617 | retval = -ENOMEM; |
| 1618 | break; |
| 1619 | } |
| 1620 | // FIRMWARE: bulk sink (maybe accepts short writes) |
| 1621 | retval = simple_io (urb, param->iterations, param->vary, |
| 1622 | 0, "test3"); |
| 1623 | simple_free_urb (urb); |
| 1624 | break; |
| 1625 | case 4: |
| 1626 | if (dev->in_pipe == 0 || param->vary == 0) |
| 1627 | break; |
| 1628 | dev_dbg (&intf->dev, |
| 1629 | "TEST 4: read/%d 0..%d bytes %u times\n", |
| 1630 | param->vary, param->length, param->iterations); |
| 1631 | urb = simple_alloc_urb (udev, dev->in_pipe, param->length); |
| 1632 | if (!urb) { |
| 1633 | retval = -ENOMEM; |
| 1634 | break; |
| 1635 | } |
| 1636 | // FIRMWARE: bulk source (maybe generates short writes) |
| 1637 | retval = simple_io (urb, param->iterations, param->vary, |
| 1638 | 0, "test4"); |
| 1639 | simple_free_urb (urb); |
| 1640 | break; |
| 1641 | |
| 1642 | /* Queued bulk I/O tests */ |
| 1643 | case 5: |
| 1644 | if (dev->out_pipe == 0 || param->sglen == 0) |
| 1645 | break; |
| 1646 | dev_dbg (&intf->dev, |
| 1647 | "TEST 5: write %d sglists %d entries of %d bytes\n", |
| 1648 | param->iterations, |
| 1649 | param->sglen, param->length); |
| 1650 | sg = alloc_sglist (param->sglen, param->length, 0); |
| 1651 | if (!sg) { |
| 1652 | retval = -ENOMEM; |
| 1653 | break; |
| 1654 | } |
| 1655 | // FIRMWARE: bulk sink (maybe accepts short writes) |
| 1656 | retval = perform_sglist (udev, param->iterations, dev->out_pipe, |
| 1657 | &req, sg, param->sglen); |
| 1658 | free_sglist (sg, param->sglen); |
| 1659 | break; |
| 1660 | |
| 1661 | case 6: |
| 1662 | if (dev->in_pipe == 0 || param->sglen == 0) |
| 1663 | break; |
| 1664 | dev_dbg (&intf->dev, |
| 1665 | "TEST 6: read %d sglists %d entries of %d bytes\n", |
| 1666 | param->iterations, |
| 1667 | param->sglen, param->length); |
| 1668 | sg = alloc_sglist (param->sglen, param->length, 0); |
| 1669 | if (!sg) { |
| 1670 | retval = -ENOMEM; |
| 1671 | break; |
| 1672 | } |
| 1673 | // FIRMWARE: bulk source (maybe generates short writes) |
| 1674 | retval = perform_sglist (udev, param->iterations, dev->in_pipe, |
| 1675 | &req, sg, param->sglen); |
| 1676 | free_sglist (sg, param->sglen); |
| 1677 | break; |
| 1678 | case 7: |
| 1679 | if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) |
| 1680 | break; |
| 1681 | dev_dbg (&intf->dev, |
| 1682 | "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", |
| 1683 | param->vary, param->iterations, |
| 1684 | param->sglen, param->length); |
| 1685 | sg = alloc_sglist (param->sglen, param->length, param->vary); |
| 1686 | if (!sg) { |
| 1687 | retval = -ENOMEM; |
| 1688 | break; |
| 1689 | } |
| 1690 | // FIRMWARE: bulk sink (maybe accepts short writes) |
| 1691 | retval = perform_sglist (udev, param->iterations, dev->out_pipe, |
| 1692 | &req, sg, param->sglen); |
| 1693 | free_sglist (sg, param->sglen); |
| 1694 | break; |
| 1695 | case 8: |
| 1696 | if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) |
| 1697 | break; |
| 1698 | dev_dbg (&intf->dev, |
| 1699 | "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", |
| 1700 | param->vary, param->iterations, |
| 1701 | param->sglen, param->length); |
| 1702 | sg = alloc_sglist (param->sglen, param->length, param->vary); |
| 1703 | if (!sg) { |
| 1704 | retval = -ENOMEM; |
| 1705 | break; |
| 1706 | } |
| 1707 | // FIRMWARE: bulk source (maybe generates short writes) |
| 1708 | retval = perform_sglist (udev, param->iterations, dev->in_pipe, |
| 1709 | &req, sg, param->sglen); |
| 1710 | free_sglist (sg, param->sglen); |
| 1711 | break; |
| 1712 | |
| 1713 | /* non-queued sanity tests for control (chapter 9 subset) */ |
| 1714 | case 9: |
| 1715 | retval = 0; |
| 1716 | dev_dbg (&intf->dev, |
| 1717 | "TEST 9: ch9 (subset) control tests, %d times\n", |
| 1718 | param->iterations); |
| 1719 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
| 1720 | retval = ch9_postconfig (dev); |
| 1721 | if (retval) |
| 1722 | dbg ("ch9 subset failed, iterations left %d", i); |
| 1723 | break; |
| 1724 | |
| 1725 | /* queued control messaging */ |
| 1726 | case 10: |
| 1727 | if (param->sglen == 0) |
| 1728 | break; |
| 1729 | retval = 0; |
| 1730 | dev_dbg (&intf->dev, |
| 1731 | "TEST 10: queue %d control calls, %d times\n", |
| 1732 | param->sglen, |
| 1733 | param->iterations); |
| 1734 | retval = test_ctrl_queue (dev, param); |
| 1735 | break; |
| 1736 | |
| 1737 | /* simple non-queued unlinks (ring with one urb) */ |
| 1738 | case 11: |
| 1739 | if (dev->in_pipe == 0 || !param->length) |
| 1740 | break; |
| 1741 | retval = 0; |
| 1742 | dev_dbg (&intf->dev, "TEST 11: unlink %d reads of %d\n", |
| 1743 | param->iterations, param->length); |
| 1744 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
| 1745 | retval = unlink_simple (dev, dev->in_pipe, |
| 1746 | param->length); |
| 1747 | if (retval) |
| 1748 | dev_dbg (&intf->dev, "unlink reads failed %d, " |
| 1749 | "iterations left %d\n", retval, i); |
| 1750 | break; |
| 1751 | case 12: |
| 1752 | if (dev->out_pipe == 0 || !param->length) |
| 1753 | break; |
| 1754 | retval = 0; |
| 1755 | dev_dbg (&intf->dev, "TEST 12: unlink %d writes of %d\n", |
| 1756 | param->iterations, param->length); |
| 1757 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
| 1758 | retval = unlink_simple (dev, dev->out_pipe, |
| 1759 | param->length); |
| 1760 | if (retval) |
| 1761 | dev_dbg (&intf->dev, "unlink writes failed %d, " |
| 1762 | "iterations left %d\n", retval, i); |
| 1763 | break; |
| 1764 | |
| 1765 | /* ep halt tests */ |
| 1766 | case 13: |
| 1767 | if (dev->out_pipe == 0 && dev->in_pipe == 0) |
| 1768 | break; |
| 1769 | retval = 0; |
| 1770 | dev_dbg (&intf->dev, "TEST 13: set/clear %d halts\n", |
| 1771 | param->iterations); |
| 1772 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
| 1773 | retval = halt_simple (dev); |
| 1774 | |
| 1775 | if (retval) |
| 1776 | DBG (dev, "halts failed, iterations left %d\n", i); |
| 1777 | break; |
| 1778 | |
| 1779 | /* control write tests */ |
| 1780 | case 14: |
| 1781 | if (!dev->info->ctrl_out) |
| 1782 | break; |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1783 | dev_dbg (&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", |
| 1784 | param->iterations, |
| 1785 | realworld ? 1 : 0, param->length, |
| 1786 | param->vary); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1787 | retval = ctrl_out (dev, param->iterations, |
| 1788 | param->length, param->vary); |
| 1789 | break; |
| 1790 | |
| 1791 | /* iso write tests */ |
| 1792 | case 15: |
| 1793 | if (dev->out_iso_pipe == 0 || param->sglen == 0) |
| 1794 | break; |
| 1795 | dev_dbg (&intf->dev, |
| 1796 | "TEST 15: write %d iso, %d entries of %d bytes\n", |
| 1797 | param->iterations, |
| 1798 | param->sglen, param->length); |
| 1799 | // FIRMWARE: iso sink |
| 1800 | retval = test_iso_queue (dev, param, |
| 1801 | dev->out_iso_pipe, dev->iso_out); |
| 1802 | break; |
| 1803 | |
| 1804 | /* iso read tests */ |
| 1805 | case 16: |
| 1806 | if (dev->in_iso_pipe == 0 || param->sglen == 0) |
| 1807 | break; |
| 1808 | dev_dbg (&intf->dev, |
| 1809 | "TEST 16: read %d iso, %d entries of %d bytes\n", |
| 1810 | param->iterations, |
| 1811 | param->sglen, param->length); |
| 1812 | // FIRMWARE: iso source |
| 1813 | retval = test_iso_queue (dev, param, |
| 1814 | dev->in_iso_pipe, dev->iso_in); |
| 1815 | break; |
| 1816 | |
| 1817 | // FIXME unlink from queue (ring with N urbs) |
| 1818 | |
| 1819 | // FIXME scatterlist cancel (needs helper thread) |
| 1820 | |
| 1821 | } |
| 1822 | do_gettimeofday (¶m->duration); |
| 1823 | param->duration.tv_sec -= start.tv_sec; |
| 1824 | param->duration.tv_usec -= start.tv_usec; |
| 1825 | if (param->duration.tv_usec < 0) { |
| 1826 | param->duration.tv_usec += 1000 * 1000; |
| 1827 | param->duration.tv_sec -= 1; |
| 1828 | } |
| 1829 | up (&dev->sem); |
| 1830 | return retval; |
| 1831 | } |
| 1832 | |
| 1833 | /*-------------------------------------------------------------------------*/ |
| 1834 | |
| 1835 | static unsigned force_interrupt = 0; |
| 1836 | module_param (force_interrupt, uint, 0); |
| 1837 | MODULE_PARM_DESC (force_interrupt, "0 = test default; else interrupt"); |
| 1838 | |
| 1839 | #ifdef GENERIC |
| 1840 | static unsigned short vendor; |
| 1841 | module_param(vendor, ushort, 0); |
| 1842 | MODULE_PARM_DESC (vendor, "vendor code (from usb-if)"); |
| 1843 | |
| 1844 | static unsigned short product; |
| 1845 | module_param(product, ushort, 0); |
| 1846 | MODULE_PARM_DESC (product, "product code (from vendor)"); |
| 1847 | #endif |
| 1848 | |
| 1849 | static int |
| 1850 | usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) |
| 1851 | { |
| 1852 | struct usb_device *udev; |
| 1853 | struct usbtest_dev *dev; |
| 1854 | struct usbtest_info *info; |
| 1855 | char *rtest, *wtest; |
| 1856 | char *irtest, *iwtest; |
| 1857 | |
| 1858 | udev = interface_to_usbdev (intf); |
| 1859 | |
| 1860 | #ifdef GENERIC |
| 1861 | /* specify devices by module parameters? */ |
| 1862 | if (id->match_flags == 0) { |
| 1863 | /* vendor match required, product match optional */ |
| 1864 | if (!vendor || le16_to_cpu(udev->descriptor.idVendor) != (u16)vendor) |
| 1865 | return -ENODEV; |
| 1866 | if (product && le16_to_cpu(udev->descriptor.idProduct) != (u16)product) |
| 1867 | return -ENODEV; |
| 1868 | dbg ("matched module params, vend=0x%04x prod=0x%04x", |
| 1869 | le16_to_cpu(udev->descriptor.idVendor), |
| 1870 | le16_to_cpu(udev->descriptor.idProduct)); |
| 1871 | } |
| 1872 | #endif |
| 1873 | |
| 1874 | dev = kmalloc (sizeof *dev, SLAB_KERNEL); |
| 1875 | if (!dev) |
| 1876 | return -ENOMEM; |
| 1877 | memset (dev, 0, sizeof *dev); |
| 1878 | info = (struct usbtest_info *) id->driver_info; |
| 1879 | dev->info = info; |
| 1880 | init_MUTEX (&dev->sem); |
| 1881 | |
| 1882 | dev->intf = intf; |
| 1883 | |
| 1884 | /* cacheline-aligned scratch for i/o */ |
| 1885 | if ((dev->buf = kmalloc (TBUF_SIZE, SLAB_KERNEL)) == NULL) { |
| 1886 | kfree (dev); |
| 1887 | return -ENOMEM; |
| 1888 | } |
| 1889 | |
| 1890 | /* NOTE this doesn't yet test the handful of difference that are |
| 1891 | * visible with high speed interrupts: bigger maxpacket (1K) and |
| 1892 | * "high bandwidth" modes (up to 3 packets/uframe). |
| 1893 | */ |
| 1894 | rtest = wtest = ""; |
| 1895 | irtest = iwtest = ""; |
| 1896 | if (force_interrupt || udev->speed == USB_SPEED_LOW) { |
| 1897 | if (info->ep_in) { |
| 1898 | dev->in_pipe = usb_rcvintpipe (udev, info->ep_in); |
| 1899 | rtest = " intr-in"; |
| 1900 | } |
| 1901 | if (info->ep_out) { |
| 1902 | dev->out_pipe = usb_sndintpipe (udev, info->ep_out); |
| 1903 | wtest = " intr-out"; |
| 1904 | } |
| 1905 | } else { |
| 1906 | if (info->autoconf) { |
| 1907 | int status; |
| 1908 | |
| 1909 | status = get_endpoints (dev, intf); |
| 1910 | if (status < 0) { |
| 1911 | dbg ("couldn't get endpoints, %d\n", status); |
| 1912 | return status; |
| 1913 | } |
| 1914 | /* may find bulk or ISO pipes */ |
| 1915 | } else { |
| 1916 | if (info->ep_in) |
| 1917 | dev->in_pipe = usb_rcvbulkpipe (udev, |
| 1918 | info->ep_in); |
| 1919 | if (info->ep_out) |
| 1920 | dev->out_pipe = usb_sndbulkpipe (udev, |
| 1921 | info->ep_out); |
| 1922 | } |
| 1923 | if (dev->in_pipe) |
| 1924 | rtest = " bulk-in"; |
| 1925 | if (dev->out_pipe) |
| 1926 | wtest = " bulk-out"; |
| 1927 | if (dev->in_iso_pipe) |
| 1928 | irtest = " iso-in"; |
| 1929 | if (dev->out_iso_pipe) |
| 1930 | iwtest = " iso-out"; |
| 1931 | } |
| 1932 | |
| 1933 | usb_set_intfdata (intf, dev); |
| 1934 | dev_info (&intf->dev, "%s\n", info->name); |
| 1935 | dev_info (&intf->dev, "%s speed {control%s%s%s%s%s} tests%s\n", |
| 1936 | ({ char *tmp; |
| 1937 | switch (udev->speed) { |
| 1938 | case USB_SPEED_LOW: tmp = "low"; break; |
| 1939 | case USB_SPEED_FULL: tmp = "full"; break; |
| 1940 | case USB_SPEED_HIGH: tmp = "high"; break; |
| 1941 | default: tmp = "unknown"; break; |
| 1942 | }; tmp; }), |
| 1943 | info->ctrl_out ? " in/out" : "", |
| 1944 | rtest, wtest, |
| 1945 | irtest, iwtest, |
| 1946 | info->alt >= 0 ? " (+alt)" : ""); |
| 1947 | return 0; |
| 1948 | } |
| 1949 | |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1950 | static int usbtest_suspend (struct usb_interface *intf, pm_message_t message) |
| 1951 | { |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1952 | return 0; |
| 1953 | } |
| 1954 | |
| 1955 | static int usbtest_resume (struct usb_interface *intf) |
| 1956 | { |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1957 | return 0; |
| 1958 | } |
| 1959 | |
| 1960 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1961 | static void usbtest_disconnect (struct usb_interface *intf) |
| 1962 | { |
| 1963 | struct usbtest_dev *dev = usb_get_intfdata (intf); |
| 1964 | |
| 1965 | down (&dev->sem); |
| 1966 | |
| 1967 | usb_set_intfdata (intf, NULL); |
| 1968 | dev_dbg (&intf->dev, "disconnect\n"); |
| 1969 | kfree (dev); |
| 1970 | } |
| 1971 | |
| 1972 | /* Basic testing only needs a device that can source or sink bulk traffic. |
| 1973 | * Any device can test control transfers (default with GENERIC binding). |
| 1974 | * |
| 1975 | * Several entries work with the default EP0 implementation that's built |
| 1976 | * into EZ-USB chips. There's a default vendor ID which can be overridden |
| 1977 | * by (very) small config EEPROMS, but otherwise all these devices act |
| 1978 | * identically until firmware is loaded: only EP0 works. It turns out |
| 1979 | * to be easy to make other endpoints work, without modifying that EP0 |
| 1980 | * behavior. For now, we expect that kind of firmware. |
| 1981 | */ |
| 1982 | |
| 1983 | /* an21xx or fx versions of ez-usb */ |
| 1984 | static struct usbtest_info ez1_info = { |
| 1985 | .name = "EZ-USB device", |
| 1986 | .ep_in = 2, |
| 1987 | .ep_out = 2, |
| 1988 | .alt = 1, |
| 1989 | }; |
| 1990 | |
| 1991 | /* fx2 version of ez-usb */ |
| 1992 | static struct usbtest_info ez2_info = { |
| 1993 | .name = "FX2 device", |
| 1994 | .ep_in = 6, |
| 1995 | .ep_out = 2, |
| 1996 | .alt = 1, |
| 1997 | }; |
| 1998 | |
| 1999 | /* ezusb family device with dedicated usb test firmware, |
| 2000 | */ |
| 2001 | static struct usbtest_info fw_info = { |
| 2002 | .name = "usb test device", |
| 2003 | .ep_in = 2, |
| 2004 | .ep_out = 2, |
| 2005 | .alt = 1, |
| 2006 | .autoconf = 1, // iso and ctrl_out need autoconf |
| 2007 | .ctrl_out = 1, |
| 2008 | .iso = 1, // iso_ep's are #8 in/out |
| 2009 | }; |
| 2010 | |
| 2011 | /* peripheral running Linux and 'zero.c' test firmware, or |
| 2012 | * its user-mode cousin. different versions of this use |
| 2013 | * different hardware with the same vendor/product codes. |
| 2014 | * host side MUST rely on the endpoint descriptors. |
| 2015 | */ |
| 2016 | static struct usbtest_info gz_info = { |
| 2017 | .name = "Linux gadget zero", |
| 2018 | .autoconf = 1, |
| 2019 | .ctrl_out = 1, |
| 2020 | .alt = 0, |
| 2021 | }; |
| 2022 | |
| 2023 | static struct usbtest_info um_info = { |
| 2024 | .name = "Linux user mode test driver", |
| 2025 | .autoconf = 1, |
| 2026 | .alt = -1, |
| 2027 | }; |
| 2028 | |
| 2029 | static struct usbtest_info um2_info = { |
| 2030 | .name = "Linux user mode ISO test driver", |
| 2031 | .autoconf = 1, |
| 2032 | .iso = 1, |
| 2033 | .alt = -1, |
| 2034 | }; |
| 2035 | |
| 2036 | #ifdef IBOT2 |
| 2037 | /* this is a nice source of high speed bulk data; |
| 2038 | * uses an FX2, with firmware provided in the device |
| 2039 | */ |
| 2040 | static struct usbtest_info ibot2_info = { |
| 2041 | .name = "iBOT2 webcam", |
| 2042 | .ep_in = 2, |
| 2043 | .alt = -1, |
| 2044 | }; |
| 2045 | #endif |
| 2046 | |
| 2047 | #ifdef GENERIC |
| 2048 | /* we can use any device to test control traffic */ |
| 2049 | static struct usbtest_info generic_info = { |
| 2050 | .name = "Generic USB device", |
| 2051 | .alt = -1, |
| 2052 | }; |
| 2053 | #endif |
| 2054 | |
| 2055 | // FIXME remove this |
| 2056 | static struct usbtest_info hact_info = { |
| 2057 | .name = "FX2/hact", |
| 2058 | //.ep_in = 6, |
| 2059 | .ep_out = 2, |
| 2060 | .alt = -1, |
| 2061 | }; |
| 2062 | |
| 2063 | |
| 2064 | static struct usb_device_id id_table [] = { |
| 2065 | |
| 2066 | { USB_DEVICE (0x0547, 0x1002), |
| 2067 | .driver_info = (unsigned long) &hact_info, |
| 2068 | }, |
| 2069 | |
| 2070 | /*-------------------------------------------------------------*/ |
| 2071 | |
| 2072 | /* EZ-USB devices which download firmware to replace (or in our |
| 2073 | * case augment) the default device implementation. |
| 2074 | */ |
| 2075 | |
| 2076 | /* generic EZ-USB FX controller */ |
| 2077 | { USB_DEVICE (0x0547, 0x2235), |
| 2078 | .driver_info = (unsigned long) &ez1_info, |
| 2079 | }, |
| 2080 | |
| 2081 | /* CY3671 development board with EZ-USB FX */ |
| 2082 | { USB_DEVICE (0x0547, 0x0080), |
| 2083 | .driver_info = (unsigned long) &ez1_info, |
| 2084 | }, |
| 2085 | |
| 2086 | /* generic EZ-USB FX2 controller (or development board) */ |
| 2087 | { USB_DEVICE (0x04b4, 0x8613), |
| 2088 | .driver_info = (unsigned long) &ez2_info, |
| 2089 | }, |
| 2090 | |
| 2091 | /* re-enumerated usb test device firmware */ |
| 2092 | { USB_DEVICE (0xfff0, 0xfff0), |
| 2093 | .driver_info = (unsigned long) &fw_info, |
| 2094 | }, |
| 2095 | |
| 2096 | /* "Gadget Zero" firmware runs under Linux */ |
| 2097 | { USB_DEVICE (0x0525, 0xa4a0), |
| 2098 | .driver_info = (unsigned long) &gz_info, |
| 2099 | }, |
| 2100 | |
| 2101 | /* so does a user-mode variant */ |
| 2102 | { USB_DEVICE (0x0525, 0xa4a4), |
| 2103 | .driver_info = (unsigned long) &um_info, |
| 2104 | }, |
| 2105 | |
| 2106 | /* ... and a user-mode variant that talks iso */ |
| 2107 | { USB_DEVICE (0x0525, 0xa4a3), |
| 2108 | .driver_info = (unsigned long) &um2_info, |
| 2109 | }, |
| 2110 | |
| 2111 | #ifdef KEYSPAN_19Qi |
| 2112 | /* Keyspan 19qi uses an21xx (original EZ-USB) */ |
| 2113 | // this does not coexist with the real Keyspan 19qi driver! |
| 2114 | { USB_DEVICE (0x06cd, 0x010b), |
| 2115 | .driver_info = (unsigned long) &ez1_info, |
| 2116 | }, |
| 2117 | #endif |
| 2118 | |
| 2119 | /*-------------------------------------------------------------*/ |
| 2120 | |
| 2121 | #ifdef IBOT2 |
| 2122 | /* iBOT2 makes a nice source of high speed bulk-in data */ |
| 2123 | // this does not coexist with a real iBOT2 driver! |
| 2124 | { USB_DEVICE (0x0b62, 0x0059), |
| 2125 | .driver_info = (unsigned long) &ibot2_info, |
| 2126 | }, |
| 2127 | #endif |
| 2128 | |
| 2129 | /*-------------------------------------------------------------*/ |
| 2130 | |
| 2131 | #ifdef GENERIC |
| 2132 | /* module params can specify devices to use for control tests */ |
| 2133 | { .driver_info = (unsigned long) &generic_info, }, |
| 2134 | #endif |
| 2135 | |
| 2136 | /*-------------------------------------------------------------*/ |
| 2137 | |
| 2138 | { } |
| 2139 | }; |
| 2140 | MODULE_DEVICE_TABLE (usb, id_table); |
| 2141 | |
| 2142 | static struct usb_driver usbtest_driver = { |
| 2143 | .owner = THIS_MODULE, |
| 2144 | .name = "usbtest", |
| 2145 | .id_table = id_table, |
| 2146 | .probe = usbtest_probe, |
| 2147 | .ioctl = usbtest_ioctl, |
| 2148 | .disconnect = usbtest_disconnect, |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 2149 | .suspend = usbtest_suspend, |
| 2150 | .resume = usbtest_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2151 | }; |
| 2152 | |
| 2153 | /*-------------------------------------------------------------------------*/ |
| 2154 | |
| 2155 | static int __init usbtest_init (void) |
| 2156 | { |
| 2157 | #ifdef GENERIC |
| 2158 | if (vendor) |
| 2159 | dbg ("params: vend=0x%04x prod=0x%04x", vendor, product); |
| 2160 | #endif |
| 2161 | return usb_register (&usbtest_driver); |
| 2162 | } |
| 2163 | module_init (usbtest_init); |
| 2164 | |
| 2165 | static void __exit usbtest_exit (void) |
| 2166 | { |
| 2167 | usb_deregister (&usbtest_driver); |
| 2168 | } |
| 2169 | module_exit (usbtest_exit); |
| 2170 | |
| 2171 | MODULE_DESCRIPTION ("USB Core/HCD Testing Driver"); |
| 2172 | MODULE_LICENSE ("GPL"); |
| 2173 | |