Re: [dpdk-dev] [PATCH v2 0/7] vfio/pci: SR-IOV support

2020-02-25 Thread Tian, Kevin
> From: Alex Williamson > Sent: Thursday, February 20, 2020 2:54 AM > > Changes since v1 are primarily to patch 3/7 where the commit log is > rewritten, along with option parsing and failure logging based on > upstream discussions. The primary user visible difference is that > option parsing is n

Re: [dpdk-dev] [PATCH v2 5/7] vfio/pci: Add sriov_configure support

2020-02-25 Thread Tian, Kevin
> From: Alex Williamson > Sent: Thursday, February 20, 2020 2:54 AM > > With the VF Token interface we can now expect that a vfio userspace > driver must be in collaboration with the PF driver, an unwitting > userspace driver will not be able to get past the GET_DEVICE_FD step > in accessing the d

Re: [dpdk-dev] [PATCH v2 3/7] vfio/pci: Introduce VF token

2020-02-25 Thread Tian, Kevin
> From: Alex Williamson > Sent: Thursday, February 20, 2020 2:54 AM > > If we enable SR-IOV on a vfio-pci owned PF, the resulting VFs are not > fully isolated from the PF. The PF can always cause a denial of service > to the VF, even if by simply resetting itself. The degree to which a PF > can

Re: [dpdk-dev] [PATCH v2 5/7] vfio/pci: Add sriov_configure support

2020-03-09 Thread Tian, Kevin
> From: Alex Williamson > Sent: Friday, March 6, 2020 2:23 AM > > On Tue, 25 Feb 2020 03:08:00 +0000 > "Tian, Kevin" wrote: > > > > From: Alex Williamson > > > Sent: Thursday, February 20, 2020 2:54 AM > > > > > > With the VF Toke

Re: [dpdk-dev] [PATCH v2 3/7] vfio/pci: Introduce VF token

2020-03-09 Thread Tian, Kevin
> From: Alex Williamson > Sent: Friday, March 6, 2020 2:18 AM > > On Tue, 25 Feb 2020 02:59:37 +0000 > "Tian, Kevin" wrote: > > > > From: Alex Williamson > > > Sent: Thursday, February 20, 2020 2:54 AM > > > > > > If we

Re: [dpdk-dev] [PATCH v2 0/7] vfio/pci: SR-IOV support

2020-03-09 Thread Tian, Kevin
> From: Alex Williamson > Sent: Friday, March 6, 2020 1:34 AM > > Hi Kevin, > > Sorry for the delay, I've been out on PTO... > > On Tue, 25 Feb 2020 02:33:27 + > "Tian, Kevin" wrote: > > > > From: Alex Williamson > > > Sent: T

Re: [dpdk-dev] [PATCH v2 3/7] vfio/pci: Introduce VF token

2020-03-09 Thread Tian, Kevin
> From: Alex Williamson > Sent: Monday, March 9, 2020 8:46 AM > > On Sat, 7 Mar 2020 01:04:41 +0000 > "Tian, Kevin" wrote: > > > > From: Alex Williamson > > > Sent: Friday, March 6, 2020 11:39 PM > > > > > > On Fri, 6 Mar 2020

Re: [dpdk-dev] [PATCH v2 5/7] vfio/pci: Add sriov_configure support

2020-03-09 Thread Tian, Kevin
> From: Alex Williamson > Sent: Saturday, March 7, 2020 6:18 AM > > On Fri, 6 Mar 2020 07:57:19 +0000 > "Tian, Kevin" wrote: > > > > From: Alex Williamson > > > Sent: Friday, March 6, 2020 2:23 AM > > > > > > On Tue, 25 Feb 2020

Re: [dpdk-dev] [PATCH v2 3/7] vfio/pci: Introduce VF token

2020-03-09 Thread Tian, Kevin
> From: Alex Williamson > Sent: Friday, March 6, 2020 11:39 PM > > On Fri, 6 Mar 2020 08:32:40 +0000 > "Tian, Kevin" wrote: > > > > From: Alex Williamson > > > Sent: Friday, March 6, 2020 2:18 AM > > > > > > On Tue, 25 Feb 2020

Re: [dpdk-dev] [PATCH v2 5/7] vfio/pci: Add sriov_configure support

2020-03-09 Thread Tian, Kevin
> From: Tian, Kevin > Sent: Friday, March 6, 2020 3:57 PM > > > From: Alex Williamson > > Sent: Friday, March 6, 2020 2:23 AM > > > > On Tue, 25 Feb 2020 03:08:00 + > > "Tian, Kevin" wrote: > > > > > > From

Re: [dpdk-dev] [PATCH v2 5/7] vfio/pci: Add sriov_configure support

2020-03-09 Thread Tian, Kevin
> From: Alex Williamson > Sent: Monday, March 9, 2020 8:46 AM > > On Sat, 7 Mar 2020 01:35:23 +0000 > "Tian, Kevin" wrote: > > > > From: Alex Williamson > > > Sent: Saturday, March 7, 2020 6:18 AM > > > > > > On Fri, 6 Mar 2020

Re: [dpdk-dev] [PATCH v2 3/7] vfio/pci: Introduce VF token

2020-03-09 Thread Tian, Kevin
> From: Tian, Kevin > Sent: Monday, March 9, 2020 9:22 AM > > > From: Alex Williamson > > Sent: Monday, March 9, 2020 8:46 AM > > > > On Sat, 7 Mar 2020 01:04:41 + > > "Tian, Kevin" wrote: > > > > > > From: Alex Williamson

Re: [dpdk-dev] [PATCH v3 0/7] vfio/pci: SR-IOV support

2020-03-19 Thread Tian, Kevin
> From: Alex Williamson > Sent: Thursday, March 12, 2020 5:58 AM > > Only minor tweaks since v2, GET and SET on VFIO_DEVICE_FEATURE are > enforced mutually exclusive except with the PROBE option as suggested > by Connie, the modinfo text has been expanded for the opt-in to enable > SR-IOV support