Re: [Libusb-devel] usage of URB:

[Vinay S. <vi...@br...>]

Thank you, I could find out source path. =20

Thanks and Regards,
S G Vinay
Broadcom India Research Pvt. Ltd.
Bangalore.


> -----Original Message-----
> From: Vinay Shettigere
> Sent: Thursday, July 06, 2006 9:45 PM
> To: 'Tim Roberts'
> Subject: RE: [Libusb-devel] usage of URB:
>=20
> Yes, please can you tell me path of usbdevice_fs.h.
>=20
> Thanks and Regards,
> S G Vinay
> Broadcom India Research Pvt. Ltd.
> Bangalore.
>=20
>=20
> > -----Original Message-----
> > From: Tim Roberts [mailto:ti...@pr...]
> > Sent: Thursday, July 06, 2006 9:36 PM
> > To: Vinay Shettigere
> > Subject: Re: [Libusb-devel] usage of URB:
> >
> > Vinay Shettigere wrote:
> >
> > >Oh I am very sorry.  I did not mean explanation on variables such
as
> > >bcmrequesttype all those things.   I could not understand the usage
of
> > >IOCTL call happened inside usb_control_msg.
> > >ret =3D ioctl(dev->fd, IOCTL_USB_CONTROL, &ctrl);
> > >It is using ioctl with number IOCTL_USB_CONTROL.  I did not
understand
> > >usage.
> > >In normal PCI driver, we use to register ioctl function to respond
to
> > >such ioctl call.
> > >
> > >
> >
> > Yes.  The usbfs driver provides a set of ioctls for all USB devices
that
> > handle all of the normal USB operations.  The ioctls and their
> > associated structures are defined in the include file
usbdevice_fs.h.
> > If you are curious, you can see how they are implemented in your
Linux
> > kernel source in drivers/usb/core/devio.c.
> >
> > --
> > Tim Roberts, ti...@pr...
> > Providenza & Boekelheide, Inc.
> >