It seems Theo van Klaveren wrote:
> As detailed in my previous post to this list, the way Linux's AudioFS
> does this doesn't work for FreeBSD (using IOCTL's). So, Soren Schmidt's
> advice was to directly get data from the atapi_cd driver. Doing some
> research, I see two ways to do this:
>
> 1) Using atapi_queue_cmd(), like the way atapi_cd's ioctl handler does
> it but not copyout'ing the retrieved data. To do this _outside_ the
> atapi_cd driver, however, I need it's atapi_softc, and I haven't figured
> out how to do that yet, except that I have to use driver_get_softc(),
> which needs a device_t, which I don't know how to get. I'm not sure this
> is the 'right' way.
>
> 2) Using VOP_STRATEGY on the acd device in audiofs_strategy(), the way
> the cd9660 filesystem does it. I'm not sure this will work, but it sure
> looks like it. This would also reduce code complexity, but I'm not sure
> it's 'right' either.
>
> What would be the 'right' way?
2.
-Søren
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