Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-08 Thread Alex Williamson
On Mon, 2014-09-08 at 11:20 +0200, Paolo Bonzini wrote: > Il 06/09/2014 01:19, Alexander Graf ha scritto: > >> > 1) interpretive execution of pci load/store instruction. If we use this > >> > function > >> >pci access does not get intercepted (no SIE exit) but is handled via > >> > microcode.

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-08 Thread Paolo Bonzini
Il 06/09/2014 01:19, Alexander Graf ha scritto: >> > 1) interpretive execution of pci load/store instruction. If we use this >> > function >> >pci access does not get intercepted (no SIE exit) but is handled via >> > microcode. >> >To enable this we have to disable zpci device and enable

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-05 Thread Alexander Graf
On 05.09.14 13:39, Frank Blaschka wrote: > On Fri, Sep 05, 2014 at 10:21:27AM +0200, Alexander Graf wrote: >> >> >> On 04.09.14 12:52, frank.blasc...@de.ibm.com wrote: >>> This set of patches implements pci pass-through support for qemu/KVM on >>> s390. >>> PCI support on s390 is very different

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-05 Thread Alexander Graf
On 05.09.14 13:55, Frank Blaschka wrote: > On Fri, Sep 05, 2014 at 10:35:59AM +0200, Alexander Graf wrote: >> >> >> On 05.09.14 09:46, Frank Blaschka wrote: >>> On Thu, Sep 04, 2014 at 07:16:24AM -0600, Alex Williamson wrote: On Thu, 2014-09-04 at 12:52 +0200, frank.blasc...@de.ibm.com wrote

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-05 Thread Frank Blaschka
On Fri, Sep 05, 2014 at 10:35:59AM +0200, Alexander Graf wrote: > > > On 05.09.14 09:46, Frank Blaschka wrote: > > On Thu, Sep 04, 2014 at 07:16:24AM -0600, Alex Williamson wrote: > >> On Thu, 2014-09-04 at 12:52 +0200, frank.blasc...@de.ibm.com wrote: > >>> This set of patches implements pci pas

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-05 Thread Frank Blaschka
On Fri, Sep 05, 2014 at 10:21:27AM +0200, Alexander Graf wrote: > > > On 04.09.14 12:52, frank.blasc...@de.ibm.com wrote: > > This set of patches implements pci pass-through support for qemu/KVM on > > s390. > > PCI support on s390 is very different from other platforms. > > Major differences ar

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-05 Thread Alexander Graf
On 05.09.14 09:46, Frank Blaschka wrote: > On Thu, Sep 04, 2014 at 07:16:24AM -0600, Alex Williamson wrote: >> On Thu, 2014-09-04 at 12:52 +0200, frank.blasc...@de.ibm.com wrote: >>> This set of patches implements pci pass-through support for qemu/KVM on >>> s390. >>> PCI support on s390 is very

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-05 Thread Alexander Graf
On 04.09.14 12:52, frank.blasc...@de.ibm.com wrote: > This set of patches implements pci pass-through support for qemu/KVM on s390. > PCI support on s390 is very different from other platforms. > Major differences are: > > 1) all PCI operations are driven by special s390 instructions > 2) all s3

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-05 Thread Frank Blaschka
On Thu, Sep 04, 2014 at 07:16:24AM -0600, Alex Williamson wrote: > On Thu, 2014-09-04 at 12:52 +0200, frank.blasc...@de.ibm.com wrote: > > This set of patches implements pci pass-through support for qemu/KVM on > > s390. > > PCI support on s390 is very different from other platforms. > > Major dif

[Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-04 Thread frank . blaschka
This set of patches implements pci pass-through support for qemu/KVM on s390. PCI support on s390 is very different from other platforms. Major differences are: 1) all PCI operations are driven by special s390 instructions 2) all s390 PCI instructions are privileged 3) PCI config and memory spaces

Re: [Qemu-devel] [RFC][patch 0/6] pci pass-through support for qemu/KVM on s390

2014-09-04 Thread Alex Williamson
On Thu, 2014-09-04 at 12:52 +0200, frank.blasc...@de.ibm.com wrote: > This set of patches implements pci pass-through support for qemu/KVM on s390. > PCI support on s390 is very different from other platforms. > Major differences are: > > 1) all PCI operations are driven by special s390 instructio