Hi Kevin,
On 2020/4/15 15:57, Tian, Kevin wrote:
From: Lu Baolu<[email protected]>
Sent: Wednesday, April 15, 2020 1:26 PM
When a PASID is stopped or terminated, there can be pending PRQs
(requests that haven't received responses) in the software and
remapping hardware. The pending page requests must be drained
so that the pasid could be reused. The register level interface
for page request draining is defined in 7.11 of the VT-d spec.
This series adds the support for page requests draining.
7.11 doesn't include register-level interface. It just talks about
the general requirements on system software, endpoint device
and its driver.
I will replace this with "spec 7.10 specifies the software steps to
drain page requests and response".
Best regards,
baolu
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