[PATCH] Cygwin: Add /dev/disk/by-id symlinks

[Corinna Vinschen]

On Nov  3 17:27, Corinna Vinschen wrote:
> On Nov  3 17:09, Christian Franke wrote:
> > Unlike (S)ATA and NVMe, the serial number
> > is not available for free in the device identify data block but requires an
> > extra command (SCSI INQUIRY of VPD page 0x80). This might not be supported
> > by the emulated controller or Windows does not use this command.
> 
> AFAICS, only the data from STORAGE_DEVICE_ID_DESCRIPTOR is available
> which is equivalent to the data from VPD page 0x83.  As you can see,
> it's part of the STORAGE_DEVICE_UNIQUE_IDENTIFIER data.  The data
> returned for the VirtIo device is the identifier string "\x01\x00",
> which is a bit underwhelming.
> 
> Would be great if we would learn how to access page 0x80...

Uhm...

MSDN claims:

  If the storage device is SCSI-compliant, the port driver attempts to
  extract the serial number from the optional Unit Serial Number page
  (page 0x80) of the VPD.

Now I'm puzzled.


Corinna