[Qemu-devel] Re: [PATCH 3/8] ahci: send init d2h fis on fis enable

[Kevin Wolf]

Am 20.12.2010 22:13, schrieb Alexander Graf:
> The drive sends a d2h init fis on initialization. Usually, the guest doesn't
> receive fises yet at that point though, so the delivery is deferred.
> 
> Let's reflect that by sending the init fis on fis receive enablement.
> 
> Signed-off-by: Alexander Graf <address@hidden>

Hm... If I read the spec right, the real solution wouldn't be an
init_d2h_sent flag, but implementing a queue for FISes that are received
when the guest hasn't set FRE yet.

I'm not against taking a hack like this, but maybe leave a comment
somewhere at least.

Kevin