Re: [PATCH V10 10/11] iommu/vt-d: Enlightened PASID allocation

2020-03-31 Thread Jacob Pan
On Sat, 28 Mar 2020 10:08:52 + "Tian, Kevin" wrote: > > From: Jacob Pan > > Sent: Saturday, March 21, 2020 7:28 AM > > > > From: Lu Baolu > > > > Enabling IOMMU in a guest requires communication with the host > > driver for certain aspects. Use of PASID ID to enable Shared Virtual > > Add

RE: [PATCH V10 10/11] iommu/vt-d: Enlightened PASID allocation

2020-03-28 Thread Tian, Kevin
> From: Jacob Pan > Sent: Saturday, March 21, 2020 7:28 AM > > From: Lu Baolu > > Enabling IOMMU in a guest requires communication with the host > driver for certain aspects. Use of PASID ID to enable Shared Virtual > Addressing (SVA) requires managing PASID's in the host. VT-d 3.0 spec > provi

[PATCH V10 10/11] iommu/vt-d: Enlightened PASID allocation

2020-03-20 Thread Jacob Pan
From: Lu Baolu Enabling IOMMU in a guest requires communication with the host driver for certain aspects. Use of PASID ID to enable Shared Virtual Addressing (SVA) requires managing PASID's in the host. VT-d 3.0 spec provides a Virtual Command Register (VCMD) to facilitate this. Writes to this re