Re: [Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-16 Thread Wei Liu
On Tue, Jun 16, 2015 at 03:02:18PM -0400, Don Slutz wrote: > On 06/16/15 12:14, Wei Liu wrote: > > On Tue, Jun 16, 2015 at 11:23:46AM -0400, Don Slutz wrote: > > [...] > >> which enables usage of xen-netback. > >> > > > > In any case, exposing HVM-only options to top-level vif confi

Re: [Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-16 Thread Don Slutz
On 06/16/15 12:14, Wei Liu wrote: > On Tue, Jun 16, 2015 at 11:23:46AM -0400, Don Slutz wrote: > [...] >> which enables usage of xen-netback. >> > > In any case, exposing HVM-only options to top-level vif configuration > space doesn't look right. There are already

Re: [Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-16 Thread Wei Liu
On Tue, Jun 16, 2015 at 11:23:46AM -0400, Don Slutz wrote: [...] > which enables usage of xen-netback. > > >>> > >>> In any case, exposing HVM-only options to top-level vif configuration > >>> space doesn't look right. > >> > >> > >> There are already HVM-only options in vifs: > >> > >> #

Re: [Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-16 Thread Don Slutz
On 06/16/15 06:32, Wei Liu wrote: > On Mon, Jun 15, 2015 at 01:45:26PM -0400, Don Slutz wrote: >> On 06/15/15 11:54, Wei Liu wrote: >>> On Mon, Jun 15, 2015 at 10:15:51AM -0400, Don Slutz wrote: This allows more then 32 nics. >>> >>> How does this patch help? What prevents you from having

Re: [Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-16 Thread Wei Liu
On Mon, Jun 15, 2015 at 01:45:26PM -0400, Don Slutz wrote: > On 06/15/15 11:54, Wei Liu wrote: > > On Mon, Jun 15, 2015 at 10:15:51AM -0400, Don Slutz wrote: > >> This allows more then 32 nics. > >> > > > > How does this patch help? What prevents you from having more than 32 > > nics? > > > > Wi

Re: [Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-15 Thread Don Slutz
On 06/15/15 11:54, Wei Liu wrote: > On Mon, Jun 15, 2015 at 10:15:51AM -0400, Don Slutz wrote: >> This allows more then 32 nics. >> > > How does this patch help? What prevents you from having more than 32 > nics? > Without a way to put the emulated nics onto a PCI to PCI Bridge, you are limited

Re: [Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-15 Thread Wei Liu
On Mon, Jun 15, 2015 at 10:15:51AM -0400, Don Slutz wrote: > This allows more then 32 nics. > How does this patch help? What prevents you from having more than 32 nics? > This can help with Windows finding nics at boot time. > > This allows changing config file: > > builder = "hvm" > d

[Xen-devel] [PATCH 3/4] Allow vif= to specify PCI address for each nic

2015-06-15 Thread Don Slutz
This allows more then 32 nics. This can help with Windows finding nics at boot time. This allows changing config file: builder = "hvm" device_model_args_hvm = [ "-device", "pci-bridge,chassis_nr=2,msi=on,id=pciBridge5.0,multifunction=on,addr=0x15.0", "-device", "vmx