/*-------------------------------------------------------------------------*/
/* FIXME make these public somewhere; usbdevfs.h? */
-struct usbtest_param {
+
+/* Parameter for usbtest driver. */
+struct usbtest_param_32 {
/* inputs */
- unsigned test_num; /* 0..(TEST_CASES-1) */
- unsigned iterations;
- unsigned length;
- unsigned vary;
- unsigned sglen;
+ __u32 test_num; /* 0..(TEST_CASES-1) */
+ __u32 iterations;
+ __u32 length;
+ __u32 vary;
+ __u32 sglen;
/* outputs */
- struct timeval duration;
+ __s32 duration_sec;
+ __s32 duration_usec;
};
-#define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param)
+
+/*
+ * Compat parameter to the usbtest driver.
+ * This supports older user space binaries compiled with 64 bit compiler.
+ */
+struct usbtest_param_64 {
+ /* inputs */
+ __u32 test_num; /* 0..(TEST_CASES-1) */
+ __u32 iterations;
+ __u32 length;
+ __u32 vary;
+ __u32 sglen;
+
+ /* outputs */
+ __s64 duration_sec;
+ __s64 duration_usec;
+};
+
+/* IOCTL interface to the driver. */
+#define USBTEST_REQUEST_32 _IOWR('U', 100, struct usbtest_param_32)
+/* COMPAT IOCTL interface to the driver. */
+#define USBTEST_REQUEST_64 _IOWR('U', 100, struct usbtest_param_64)
/*-------------------------------------------------------------------------*/
unsigned pending;
int status;
struct urb **urb;
- struct usbtest_param *param;
+ struct usbtest_param_32 *param;
int last;
};
}
static int
-test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param)
+test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param_32 *param)
{
struct usb_device *udev = testdev_to_usbdev(dev);
struct urb **urb;
}
static int
-test_queue(struct usbtest_dev *dev, struct usbtest_param *param,
+test_queue(struct usbtest_dev *dev, struct usbtest_param_32 *param,
int pipe, struct usb_endpoint_descriptor *desc, unsigned offset)
{
struct transfer_context context;
return retval;
}
-/*-------------------------------------------------------------------------*/
-
-/* We only have this one interface to user space, through usbfs.
- * User mode code can scan usbfs to find N different devices (maybe on
- * different busses) to use when testing, and allocate one thread per
- * test. So discovery is simplified, and we have no device naming issues.
- *
- * Don't use these only as stress/load tests. Use them along with with
- * other USB bus activity: plugging, unplugging, mousing, mp3 playback,
- * video capture, and so on. Run different tests at different times, in
- * different sequences. Nothing here should interact with other devices,
- * except indirectly by consuming USB bandwidth and CPU resources for test
- * threads and request completion. But the only way to know that for sure
- * is to test when HC queues are in use by many devices.
- *
- * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(),
- * it locks out usbcore in certain code paths. Notably, if you disconnect
- * the device-under-test, hub_wq will wait block forever waiting for the
- * ioctl to complete ... so that usb_disconnect() can abort the pending
- * urbs and then call usbtest_disconnect(). To abort a test, you're best
- * off just killing the userspace task and waiting for it to exit.
- */
-
+/* Run tests. */
static int
-usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf)
+usbtest_do_ioctl(struct usb_interface *intf, struct usbtest_param_32 *param)
{
struct usbtest_dev *dev = usb_get_intfdata(intf);
struct usb_device *udev = testdev_to_usbdev(dev);
- struct usbtest_param *param = buf;
- int retval = -EOPNOTSUPP;
struct urb *urb;
struct scatterlist *sg;
struct usb_sg_request req;
- struct timeval start;
unsigned i;
-
- /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */
-
- pattern = mod_pattern;
-
- if (code != USBTEST_REQUEST)
- return -EOPNOTSUPP;
+ int retval = -EOPNOTSUPP;
if (param->iterations <= 0)
return -EINVAL;
-
- if (param->sglen > MAX_SGLEN)
- return -EINVAL;
-
- if (mutex_lock_interruptible(&dev->lock))
- return -ERESTARTSYS;
-
- /* FIXME: What if a system sleep starts while a test is running? */
-
- /* 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.
- */
- if (dev->info->alt >= 0) {
- int res;
-
- if (intf->altsetting->desc.bInterfaceNumber) {
- mutex_unlock(&dev->lock);
- return -ENODEV;
- }
- res = set_altsetting(dev, dev->info->alt);
- if (res) {
- dev_err(&intf->dev,
- "set altsetting to %d failed, %d\n",
- dev->info->alt, res);
- mutex_unlock(&dev->lock);
- return res;
- }
- }
-
/*
* Just a bunch of test cases that every HCD is expected to handle.
*
* FIXME add more tests! cancel requests, verify the data, control
* queueing, concurrent read+write threads, and so on.
*/
- do_gettimeofday(&start);
switch (param->test_num) {
case 0:
dev->in_pipe, NULL, 0);
break;
}
- do_gettimeofday(¶m->duration);
- param->duration.tv_sec -= start.tv_sec;
- param->duration.tv_usec -= start.tv_usec;
- if (param->duration.tv_usec < 0) {
- param->duration.tv_usec += 1000 * 1000;
- param->duration.tv_sec -= 1;
+ return retval;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* We only have this one interface to user space, through usbfs.
+ * User mode code can scan usbfs to find N different devices (maybe on
+ * different busses) to use when testing, and allocate one thread per
+ * test. So discovery is simplified, and we have no device naming issues.
+ *
+ * Don't use these only as stress/load tests. Use them along with with
+ * other USB bus activity: plugging, unplugging, mousing, mp3 playback,
+ * video capture, and so on. Run different tests at different times, in
+ * different sequences. Nothing here should interact with other devices,
+ * except indirectly by consuming USB bandwidth and CPU resources for test
+ * threads and request completion. But the only way to know that for sure
+ * is to test when HC queues are in use by many devices.
+ *
+ * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(),
+ * it locks out usbcore in certain code paths. Notably, if you disconnect
+ * the device-under-test, hub_wq will wait block forever waiting for the
+ * ioctl to complete ... so that usb_disconnect() can abort the pending
+ * urbs and then call usbtest_disconnect(). To abort a test, you're best
+ * off just killing the userspace task and waiting for it to exit.
+ */
+
+static int
+usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf)
+{
+
+ struct usbtest_dev *dev = usb_get_intfdata(intf);
+ struct usbtest_param_64 *param_64 = buf;
+ struct usbtest_param_32 temp;
+ struct usbtest_param_32 *param_32 = buf;
+ struct timespec64 start;
+ struct timespec64 end;
+ struct timespec64 duration;
+ int retval = -EOPNOTSUPP;
+
+ /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */
+
+ pattern = mod_pattern;
+
+ if (mutex_lock_interruptible(&dev->lock))
+ return -ERESTARTSYS;
+
+ /* FIXME: What if a system sleep starts while a test is running? */
+
+ /* 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.
+ */
+ if (dev->info->alt >= 0) {
+ if (intf->altsetting->desc.bInterfaceNumber) {
+ retval = -ENODEV;
+ goto free_mutex;
+ }
+ retval = set_altsetting(dev, dev->info->alt);
+ if (retval) {
+ dev_err(&intf->dev,
+ "set altsetting to %d failed, %d\n",
+ dev->info->alt, retval);
+ goto free_mutex;
+ }
+ }
+
+ switch (code) {
+ case USBTEST_REQUEST_64:
+ temp.test_num = param_64->test_num;
+ temp.iterations = param_64->iterations;
+ temp.length = param_64->length;
+ temp.sglen = param_64->sglen;
+ temp.vary = param_64->vary;
+ param_32 = &temp;
+ break;
+
+ case USBTEST_REQUEST_32:
+ break;
+
+ default:
+ retval = -EOPNOTSUPP;
+ goto free_mutex;
+ }
+
+ ktime_get_ts64(&start);
+
+ retval = usbtest_do_ioctl(intf, param_32);
+ if (retval)
+ goto free_mutex;
+
+ ktime_get_ts64(&end);
+
+ duration = timespec64_sub(end, start);
+
+ temp.duration_sec = duration.tv_sec;
+ temp.duration_usec = duration.tv_nsec/NSEC_PER_USEC;
+
+ switch (code) {
+ case USBTEST_REQUEST_32:
+ param_32->duration_sec = temp.duration_sec;
+ param_32->duration_usec = temp.duration_usec;
+ break;
+
+ case USBTEST_REQUEST_64:
+ param_64->duration_sec = temp.duration_sec;
+ param_64->duration_usec = temp.duration_usec;
+ break;
}
+
+free_mutex:
mutex_unlock(&dev->lock);
return retval;
}
projects / karo-tx-linux.git / blobdiff