On 2020/7/4 下午4:07, Liu Yi L wrote:
In chapter 10.4.23 of VT-d spec 3.0, Descriptor Width bit was introduced
in VTD_IQA_REG. Sfotware could set this bit to tell VT-d the QI descriptor
Typo.
from software would be 256 bits. Accordingly, the VTD_IQH_QH_SHIFT should
be 5 when descriptor
> From: Peter Xu
> Sent: Tuesday, July 7, 2020 4:58 AM
>
> On Sat, Jul 04, 2020 at 01:07:15AM -0700, Liu Yi L wrote:
> > In chapter 10.4.23 of VT-d spec 3.0, Descriptor Width bit was
> > introduced in VTD_IQA_REG. Sfotware could set this bit to tell VT-d
> > the QI descriptor from software would
On Sat, Jul 04, 2020 at 01:07:15AM -0700, Liu Yi L wrote:
> In chapter 10.4.23 of VT-d spec 3.0, Descriptor Width bit was introduced
> in VTD_IQA_REG. Sfotware could set this bit to tell VT-d the QI descriptor
> from software would be 256 bits. Accordingly, the VTD_IQH_QH_SHIFT should
> be 5 when