X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fmisc%2Fusbtest.c;h=983e104dd4520653baa6f61c4ca2ccff10a16ba5;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=38eb2993fc3cbf9c19ea9f45e14fd2443885389a;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 38eb2993f..983e104dd 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -1,7 +1,3 @@ -#include -#if !defined (DEBUG) && defined (CONFIG_USB_DEBUG) -# define DEBUG -#endif #include #include #include @@ -9,7 +5,7 @@ #include #include #include -#include +#include #include @@ -381,22 +377,29 @@ alloc_sglist (int nents, int max, int vary) sg = kmalloc (nents * sizeof *sg, SLAB_KERNEL); if (!sg) return NULL; - memset (sg, 0, nents * sizeof *sg); for (i = 0; i < nents; i++) { char *buf; + unsigned j; - buf = kmalloc (size, SLAB_KERNEL); + buf = kzalloc (size, SLAB_KERNEL); if (!buf) { free_sglist (sg, i); return NULL; } - memset (buf, 0, size); /* kmalloc pages are always physically contiguous! */ - sg [i].page = virt_to_page (buf); - sg [i].offset = offset_in_page (buf); - sg [i].length = size; + sg_init_one(&sg[i], buf, size); + + switch (pattern) { + case 0: + /* already zeroed */ + break; + case 1: + for (j = 0; j < size; j++) + *buf++ = (u8) (j % 63); + break; + } if (vary) { size += vary; @@ -432,6 +435,8 @@ static int perform_sglist ( usb_sg_wait (req); retval = req->status; + /* FIXME check resulting data pattern */ + /* FIXME if endpoint halted, clear halt (and log) */ } @@ -461,7 +466,7 @@ static int perform_sglist ( static unsigned realworld = 1; module_param (realworld, uint, 0); -MODULE_PARM_DESC (realworld, "clear to demand stricter ch9 compliance"); +MODULE_PARM_DESC (realworld, "clear to demand stricter spec compliance"); static int get_altsetting (struct usbtest_dev *dev) { @@ -472,7 +477,7 @@ static int get_altsetting (struct usbtest_dev *dev) retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, 0, iface->altsetting [0].desc.bInterfaceNumber, - dev->buf, 1, HZ * USB_CTRL_GET_TIMEOUT); + dev->buf, 1, USB_CTRL_GET_TIMEOUT); switch (retval) { case 1: return dev->buf [0]; @@ -602,11 +607,10 @@ static int ch9_postconfig (struct usbtest_dev *dev) retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), USB_REQ_GET_CONFIGURATION, USB_DIR_IN | USB_RECIP_DEVICE, - 0, 0, dev->buf, 1, HZ * USB_CTRL_GET_TIMEOUT); + 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); if (retval != 1 || dev->buf [0] != expected) { - dev_dbg (&iface->dev, - "get config --> %d (%d)\n", retval, - expected); + dev_dbg (&iface->dev, "get config --> %d %d (1 %d)\n", + retval, dev->buf[0], expected); return (retval < 0) ? retval : -EDOM; } } @@ -797,7 +801,9 @@ error: if (u == urb || !u->dev) continue; + spin_unlock(&ctx->lock); status = usb_unlink_urb (u); + spin_lock(&ctx->lock); switch (status) { case -EINPROGRESS: case -EBUSY: @@ -849,10 +855,9 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) * as with bulk/intr sglists, sglen is the queue depth; it also * controls which subtests run (more tests than sglen) or rerun. */ - urb = kmalloc (param->sglen * sizeof (struct urb *), SLAB_KERNEL); + urb = kcalloc(param->sglen, sizeof(struct urb *), SLAB_KERNEL); if (!urb) - goto cleanup; - memset (urb, 0, param->sglen * sizeof (struct urb *)); + return -ENOMEM; for (i = 0; i < param->sglen; i++) { int pipe = usb_rcvctrlpipe (udev, 0); unsigned len; @@ -984,10 +989,10 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) reqp->number = i % NUM_SUBCASES; reqp->expected = expected; u->setup_packet = (char *) &reqp->setup; + u->transfer_flags |= URB_NO_SETUP_DMA_MAP; u->context = &context; u->complete = ctrl_complete; - u->transfer_flags |= URB_ASYNC_UNLINK; } /* queue the urbs */ @@ -1053,7 +1058,6 @@ static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) urb = simple_alloc_urb (testdev_to_usbdev (dev), pipe, size); if (!urb) return -ENOMEM; - urb->transfer_flags |= URB_ASYNC_UNLINK; urb->context = &completion; urb->complete = unlink1_callback; @@ -1173,7 +1177,7 @@ static int test_halt (int ep, struct urb *urb) retval = usb_control_msg (urb->dev, usb_sndctrlpipe (urb->dev, 0), USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, USB_ENDPOINT_HALT, ep, - NULL, 0, HZ * USB_CTRL_SET_TIMEOUT); + NULL, 0, USB_CTRL_SET_TIMEOUT); if (retval < 0) { dbg ("ep %02x couldn't set halt, %d", ep, retval); return retval; @@ -1238,12 +1242,13 @@ done: static int ctrl_out (struct usbtest_dev *dev, unsigned count, unsigned length, unsigned vary) { - unsigned i, j, len, retval; + unsigned i, j, len; + int retval; u8 *buf; char *what = "?"; struct usb_device *udev; - - if (length > 0xffff || vary >= length) + + if (length < 1 || length > 0xffff || vary >= length) return -EINVAL; buf = kmalloc(length, SLAB_KERNEL); @@ -1263,18 +1268,28 @@ static int ctrl_out (struct usbtest_dev *dev, buf [j] = i + j; retval = usb_control_msg (udev, usb_sndctrlpipe (udev,0), 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, - 0, 0, buf, len, HZ * USB_CTRL_SET_TIMEOUT); + 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); if (retval != len) { what = "write"; + if (retval >= 0) { + INFO(dev, "ctrl_out, wlen %d (expected %d)\n", + retval, len); + retval = -EBADMSG; + } break; } /* read it back -- assuming nothing intervened!! */ retval = usb_control_msg (udev, usb_rcvctrlpipe (udev,0), 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, - 0, 0, buf, len, HZ * USB_CTRL_GET_TIMEOUT); + 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); if (retval != len) { what = "read"; + if (retval >= 0) { + INFO(dev, "ctrl_out, rlen %d (expected %d)\n", + retval, len); + retval = -EBADMSG; + } break; } @@ -1293,8 +1308,13 @@ static int ctrl_out (struct usbtest_dev *dev, } len += vary; + + /* [real world] the "zero bytes IN" case isn't really used. + * hardware can easily trip up in this wierd case, since its + * status stage is IN, not OUT like other ep0in transfers. + */ if (len > length) - len = 0; + len = realworld ? 1 : 0; } if (retval < 0) @@ -1317,7 +1337,9 @@ struct iso_context { unsigned pending; spinlock_t lock; struct completion done; + int submit_error; unsigned long errors; + unsigned long packet_count; struct usbtest_dev *dev; }; @@ -1328,10 +1350,14 @@ static void iso_callback (struct urb *urb, struct pt_regs *regs) spin_lock(&ctx->lock); ctx->count--; + ctx->packet_count += urb->number_of_packets; if (urb->error_count > 0) ctx->errors += urb->error_count; + else if (urb->status != 0) + ctx->errors += urb->number_of_packets; - if (urb->status == 0 && ctx->count > (ctx->pending - 1)) { + if (urb->status == 0 && ctx->count > (ctx->pending - 1) + && !ctx->submit_error) { int status = usb_submit_urb (urb, GFP_ATOMIC); switch (status) { case 0: @@ -1342,6 +1368,8 @@ static void iso_callback (struct urb *urb, struct pt_regs *regs) status); /* FALLTHROUGH */ case -ENODEV: /* disconnected */ + case -ESHUTDOWN: /* endpoint disabled */ + ctx->submit_error = 1; break; } } @@ -1351,8 +1379,8 @@ static void iso_callback (struct urb *urb, struct pt_regs *regs) if (ctx->pending == 0) { if (ctx->errors) dev_dbg (&ctx->dev->intf->dev, - "iso test, %lu errors\n", - ctx->errors); + "iso test, %lu errors out of %lu\n", + ctx->errors, ctx->packet_count); complete (&ctx->done); } done: @@ -1413,15 +1441,14 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, struct usb_device *udev; unsigned i; unsigned long packets = 0; - int status; + int status = 0; struct urb *urbs[10]; /* FIXME no limit */ if (param->sglen > 10) return -EDOM; + memset(&context, 0, sizeof context); context.count = param->iterations * param->sglen; - context.pending = param->sglen; - context.errors = 0; context.dev = dev; init_completion (&context.done); spin_lock_init (&context.lock); @@ -1453,6 +1480,7 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, spin_lock_irq (&context.lock); for (i = 0; i < param->sglen; i++) { + ++context.pending; status = usb_submit_urb (urbs [i], SLAB_ATOMIC); if (status < 0) { ERROR (dev, "submit iso[%d], error %d\n", i, status); @@ -1463,12 +1491,26 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, simple_free_urb (urbs [i]); context.pending--; + context.submit_error = 1; + break; } } spin_unlock_irq (&context.lock); wait_for_completion (&context.done); - return 0; + + /* + * Isochronous transfers are expected to fail sometimes. As an + * arbitrary limit, we will report an error if any submissions + * fail or if the transfer failure rate is > 10%. + */ + if (status != 0) + ; + else if (context.submit_error) + status = -EACCES; + else if (context.errors > context.packet_count / 10) + status = -EIO; + return status; fail: for (i = 0; i < param->sglen; i++) { @@ -1519,6 +1561,11 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) if (down_interruptible (&dev->sem)) return -ERESTARTSYS; + if (intf->dev.power.power_state.event != PM_EVENT_ON) { + up (&dev->sem); + return -EHOSTUNREACH; + } + /* some devices, like ez-usb default devices, need a non-default * altsetting to have any active endpoints. some tests change * altsettings; force a default so most tests don't need to check. @@ -1762,8 +1809,10 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) case 14: if (!dev->info->ctrl_out) break; - dev_dbg (&intf->dev, "TEST 14: %d ep0out, 0..%d vary %d\n", - param->iterations, param->length, param->vary); + dev_dbg (&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", + param->iterations, + realworld ? 1 : 0, param->length, + param->vary); retval = ctrl_out (dev, param->iterations, param->length, param->vary); break; @@ -1851,10 +1900,9 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) } #endif - dev = kmalloc (sizeof *dev, SLAB_KERNEL); + dev = kzalloc(sizeof(*dev), SLAB_KERNEL); if (!dev) return -ENOMEM; - memset (dev, 0, sizeof *dev); info = (struct usbtest_info *) id->driver_info; dev->info = info; init_MUTEX (&dev->sem); @@ -1927,6 +1975,17 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) return 0; } +static int usbtest_suspend (struct usb_interface *intf, pm_message_t message) +{ + return 0; +} + +static int usbtest_resume (struct usb_interface *intf) +{ + return 0; +} + + static void usbtest_disconnect (struct usb_interface *intf) { struct usbtest_dev *dev = usb_get_intfdata (intf); @@ -2109,12 +2168,13 @@ static struct usb_device_id id_table [] = { MODULE_DEVICE_TABLE (usb, id_table); static struct usb_driver usbtest_driver = { - .owner = THIS_MODULE, .name = "usbtest", .id_table = id_table, .probe = usbtest_probe, .ioctl = usbtest_ioctl, .disconnect = usbtest_disconnect, + .suspend = usbtest_suspend, + .resume = usbtest_resume, }; /*-------------------------------------------------------------------------*/