Re: [Qemu-devel] [PATCH] ahci: Fix non-NCQ accesses for LBA > 16bits

[Alexander Graf]

On 25.05.2011, at 00:46, Alexander Graf wrote:

> AHCI provides two ways of reading/writing data:
> 
> 1) NCQ
> 2) ATA commands with the LBA in the command FIS
> 
> In the second code path, we didn't handle any LBAs that were bigger than
> 16 bits, so whenever a guest that used high LBA numbers wanted to access
> data, the LBA got truncated down to 16 bits, giving the guest garbage.
> 
> This patch adds support for LBAs higher than 16 bits. I've tested that it
> works just fine with SeaBIOS and Linux guests. This patch also unbreaks
> the often reported grub errors people have seen with AHCI.
> 
> Signed-off-by: Alexander Graf <address@hidden>

Eh - ignore that one please. I was reusing an old git-send-email command line 
that accidently had this patch in it :).


Alex