Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-08-04 Thread Michael S. Tsirkin
On Sat, Aug 02, 2014 at 07:54:30AM +0200, Jan Kiszka wrote: > On 2014-08-01 19:16, Alex Williamson wrote: > >> Also, it may let some of our device > >> models deviate from their real versions (I suppose, e.g., none of the > >> e1000 devices we currently emulate exposed FLR). > > > > Of course, bu

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-08-01 Thread Jan Kiszka
On 2014-08-01 19:16, Alex Williamson wrote: >> Also, it may let some of our device >> models deviate from their real versions (I suppose, e.g., none of the >> e1000 devices we currently emulate exposed FLR). > > Of course, but what are the chances that the driver will care? No drivers of GPOSes,

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-08-01 Thread Le Tan
2014-08-01 23:25 GMT+08:00 Alex Williamson : > On Fri, 2014-08-01 at 09:35 +0800, Le Tan wrote: >> Hi Alex, >> >> 2014-07-30 22:46 GMT+08:00 Alex Williamson : >> > On Wed, 2014-07-30 at 22:16 +0800, Le Tan wrote: >> >> Hi Michael, >> >> >> >> 2014-07-30 21:16 GMT+08:00 Michael S. Tsirkin : >> >> >

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-08-01 Thread Alex Williamson
On Fri, 2014-08-01 at 18:39 +0200, Jan Kiszka wrote: > On 2014-08-01 18:35, Alex Williamson wrote: > > On Fri, 2014-08-01 at 09:25 -0600, Alex Williamson wrote: > >> On Fri, 2014-08-01 at 09:35 +0800, Le Tan wrote: > >>> Hi Alex, > >>> > >>> 2014-07-30 22:46 GMT+08:00 Alex Williamson : > On We

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-08-01 Thread Jan Kiszka
On 2014-08-01 18:35, Alex Williamson wrote: > On Fri, 2014-08-01 at 09:25 -0600, Alex Williamson wrote: >> On Fri, 2014-08-01 at 09:35 +0800, Le Tan wrote: >>> Hi Alex, >>> >>> 2014-07-30 22:46 GMT+08:00 Alex Williamson : On Wed, 2014-07-30 at 22:16 +0800, Le Tan wrote: > Hi Michael, >

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-08-01 Thread Alex Williamson
On Fri, 2014-08-01 at 09:25 -0600, Alex Williamson wrote: > On Fri, 2014-08-01 at 09:35 +0800, Le Tan wrote: > > Hi Alex, > > > > 2014-07-30 22:46 GMT+08:00 Alex Williamson : > > > On Wed, 2014-07-30 at 22:16 +0800, Le Tan wrote: > > >> Hi Michael, > > >> > > >> 2014-07-30 21:16 GMT+08:00 Michael

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-08-01 Thread Alex Williamson
On Fri, 2014-08-01 at 09:35 +0800, Le Tan wrote: > Hi Alex, > > 2014-07-30 22:46 GMT+08:00 Alex Williamson : > > On Wed, 2014-07-30 at 22:16 +0800, Le Tan wrote: > >> Hi Michael, > >> > >> 2014-07-30 21:16 GMT+08:00 Michael S. Tsirkin : > >> > On Wed, Jul 30, 2014 at 08:24:04PM +0800, Le Tan wrote

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-07-31 Thread Le Tan
Hi Alex, 2014-07-30 22:46 GMT+08:00 Alex Williamson : > On Wed, 2014-07-30 at 22:16 +0800, Le Tan wrote: >> Hi Michael, >> >> 2014-07-30 21:16 GMT+08:00 Michael S. Tsirkin : >> > On Wed, Jul 30, 2014 at 08:24:04PM +0800, Le Tan wrote: >> >> Hi, >> >> I am testing vfio in L1 with my VT-d emulation

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-07-30 Thread Michael S. Tsirkin
On Wed, Jul 30, 2014 at 10:16:32PM +0800, Le Tan wrote: > Hi Michael, > > 2014-07-30 21:16 GMT+08:00 Michael S. Tsirkin : > > On Wed, Jul 30, 2014 at 08:24:04PM +0800, Le Tan wrote: > >> Hi, > >> I am testing vfio in L1 with my VT-d emulation project. I assigned one > >> of the two AHCI controller

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-07-30 Thread Alex Williamson
On Wed, 2014-07-30 at 22:16 +0800, Le Tan wrote: > Hi Michael, > > 2014-07-30 21:16 GMT+08:00 Michael S. Tsirkin : > > On Wed, Jul 30, 2014 at 08:24:04PM +0800, Le Tan wrote: > >> Hi, > >> I am testing vfio in L1 with my VT-d emulation project. I assigned one > >> of the two AHCI controllers in L1

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-07-30 Thread Le Tan
Hi Michael, 2014-07-30 21:16 GMT+08:00 Michael S. Tsirkin : > On Wed, Jul 30, 2014 at 08:24:04PM +0800, Le Tan wrote: >> Hi, >> I am testing vfio in L1 with my VT-d emulation project. I assigned one >> of the two AHCI controllers in L1 to L2 via vfio. After I ran the QEMU >> in L1, it complains th

Re: [Qemu-devel] vfio in the guest: no available reset mechanism

2014-07-30 Thread Michael S. Tsirkin
On Wed, Jul 30, 2014 at 08:24:04PM +0800, Le Tan wrote: > Hi, > I am testing vfio in L1 with my VT-d emulation project. I assigned one > of the two AHCI controllers in L1 to L2 via vfio. After I ran the QEMU > in L1, it complains that: > qemu-system-x86_64: vfio: Cannot reset device :00:03.0, n

[Qemu-devel] vfio in the guest: no available reset mechanism

2014-07-30 Thread Le Tan
Hi, I am testing vfio in L1 with my VT-d emulation project. I assigned one of the two AHCI controllers in L1 to L2 via vfio. After I ran the QEMU in L1, it complains that: qemu-system-x86_64: vfio: Cannot reset device :00:03.0, no available reset mechanism. qemu-system-x86_64: vfio: Cannot rese