usb/gadget: file_storage booting flexible mode page

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Hi,

I'm toying with net2272 and g_file_storage. My Intention is to boot a
x86 machine from file_storage gadget. Some machines do boot fine and
other won't (they do boot from an usb-stick anyways and if booted up,
the file_storage does function just fine). Usb_msc_boot_1.0.pdf section
4.1.1 (flexible disk mode page) does state that:

--
Support for the Flexible Disk Mode Page is required for all devices with
a Peripheral Device Type other
than 05h. The FDMP provides the geometry that is necessary for
translating a CHS address to a SCSI
standard logical block address.
--

I haven't have time yet to implement that into a file_storage and see if
it makes a difference, but I'm asking if any of you have had similar
problems and/or have some ideas what might be wrong?

-- 
Yours,
Miika Keskinen
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