At about the time of 10/20/2005 4:04 AM, Bernd Walter stated the following: > On Tue, Oct 18, 2005 at 10:38:45PM -0600, M. Warner Losh wrote: > >>In message: <[EMAIL PROTECTED]> >> Daniel Rudy <[EMAIL PROTECTED]> writes: >>: >>: When the umass driver is compiled into the kernel, and one inserts a USB >>: mass storage device, how does one access the device descriptors (serial >>: number) while the device is listed as a da device? I would perfer to >>: have the OS do all the work of accessing the hardware. >> >>The serial number can be obtained with devifo. However, since cam >>doesn't hook into the device tree, mapping da number to umass number >>can be tricky in the arbitrary case. >> >>devinfo -v | grep umass >> umass0 pnpinfo vendor=0x054c product=0x014d devclass=0x00 devsubclass=0x00 >> release=0x0110 sernum="0052450548137984" intclass=0x08 intsubclass= at >> port=0 interface=0 > > > This is the USB serial number, there might even exist another one > at CAM device layer. > e.g.: > [108]cicely13# camcontrol inquiry -n da -u 1 > pass1: <General Flash Disk Drive 2.05> Removable Direct Access SCSI-2 device > pass1: Serial Number ST92163-2000 > pass1: 1.000MB/s transfers > [110]cicely13# devinfo -v | grep umass0 > umass0 pnpinfo vendor=0x0483 product=0x1307 devclass=0x00 > devsubclass=0x00 sernum="4710765066451" interface=0 intclass=0x08 > intsubclass=0x06 at port=1 >
That was one of the first things that I tried. It didn't work. All I got was a blank line. -- Daniel Rudy _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
