Re: [Qemu-devel] [PATCH v9 05/11] vfio: add check host bus reset is support or not

2016-09-22 Thread Dou Liyang
Hi Alex, At 09/22/2016 10:03 PM, Alex Williamson wrote: On Thu, 22 Sep 2016 16:34:32 +0800 Dou Liyang wrote: Hi Alex, At 09/01/2016 03:56 AM, Alex Williamson wrote: On Tue, 19 Jul 2016 15:38:23 +0800 Zhou Jie wrote: From: Chen Fan When assigning a vfio device with AER enabled, we must

Re: [Qemu-devel] [PATCH v9 05/11] vfio: add check host bus reset is support or not

2016-09-22 Thread Alex Williamson
On Thu, 22 Sep 2016 16:34:32 +0800 Dou Liyang wrote: > Hi Alex, > > At 09/01/2016 03:56 AM, Alex Williamson wrote: > > On Tue, 19 Jul 2016 15:38:23 +0800 > > Zhou Jie wrote: > > > >> From: Chen Fan > >> > >> When assigning a vfio device with AER enabled, we must check whether > >> the device

Re: [Qemu-devel] [PATCH v9 05/11] vfio: add check host bus reset is support or not

2016-09-22 Thread Dou Liyang
Hi Alex, At 09/01/2016 10:12 AM, Alex Williamson wrote: [...] I had to move to a different system where I could actually inject an aer error and created a config similar to above but with the 82576 ports downstream of the ioh3420 root port. When I inject a malformed TLP uncorrectable error,

Re: [Qemu-devel] [PATCH v9 05/11] vfio: add check host bus reset is support or not

2016-09-22 Thread Dou Liyang
Hi Alex, At 09/01/2016 03:56 AM, Alex Williamson wrote: On Tue, 19 Jul 2016 15:38:23 +0800 Zhou Jie wrote: From: Chen Fan When assigning a vfio device with AER enabled, we must check whether the device supports a host bus reset (ie. hot reset) as this may be used by the guest OS in order to

Re: [Qemu-devel] [PATCH v9 05/11] vfio: add check host bus reset is support or not

2016-08-31 Thread Alex Williamson
On Wed, 31 Aug 2016 13:56:20 -0600 Alex Williamson wrote: > On Tue, 19 Jul 2016 15:38:23 +0800 > Zhou Jie wrote: > > > From: Chen Fan > > > > When assigning a vfio device with AER enabled, we must check whether > > the device supports a host bus reset (ie. hot reset) as this may be > > used b

Re: [Qemu-devel] [PATCH v9 05/11] vfio: add check host bus reset is support or not

2016-08-31 Thread Alex Williamson
On Tue, 19 Jul 2016 15:38:23 +0800 Zhou Jie wrote: > From: Chen Fan > > When assigning a vfio device with AER enabled, we must check whether > the device supports a host bus reset (ie. hot reset) as this may be > used by the guest OS in order to recover the device from an AER > error. QEMU mus

[Qemu-devel] [PATCH v9 05/11] vfio: add check host bus reset is support or not

2016-07-19 Thread Zhou Jie
From: Chen Fan When assigning a vfio device with AER enabled, we must check whether the device supports a host bus reset (ie. hot reset) as this may be used by the guest OS in order to recover the device from an AER error. QEMU must therefore have the ability to perform a physical host bus reset