Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate

2019-08-31 Thread Marcel Apfelbaum
Hi Julia, On 8/27/19 5:58 PM, Julia Suvorova wrote: On Mon, 2018-09-17 at 22:57 +0800, Zihan Yang wrote: Hi all Here is a minimal working version of supporting multiple pci domains. Hi Zihan, Do you plan to continue working on this project? Since the last submission was long ago we can

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate

2019-08-27 Thread Julia Suvorova
On Mon, 2018-09-17 at 22:57 +0800, Zihan Yang wrote: > Hi all > > Here is a minimal working version of supporting multiple pci domains. Hi Zihan, Do you plan to continue working on this project? I am interested in it, and if you do not mind I would like to finish the project, retaining your

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-24 Thread Zihan Yang
Hi Marcel, Marcel Apfelbaum 于2018年9月20日周四 下午2:39写道: > > Hi Zihan, > > On 09/18/2018 04:41 PM, Michael S. Tsirkin wrote: > > Cc Laine, Eric for an opinion about the management interface. > > > > On Mon, Sep 17, 2018 at 10:57:31PM +0800, Zihan Yang wrote: > >> Hi all > >> > >> Here is a minimal

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-24 Thread Zihan Yang
Marcel Apfelbaum 于2018年9月20日周四 下午2:41写道: > > Hi Zihan, Gerd > > On 09/20/2018 09:09 AM, Gerd Hoffmann wrote: > As for the management, will some checks when adding mcfg be enough for > management? Or I can maintain a variable to indicate how many space > have been consumed and warn

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-20 Thread Marcel Apfelbaum
Hi Zihan, Gerd On 09/20/2018 09:09 AM, Gerd Hoffmann wrote: As for the management, will some checks when adding mcfg be enough for management? Or I can maintain a variable to indicate how many space have been consumed and warn the user if they exceed the threshold? The latter allows us to do

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-20 Thread Marcel Apfelbaum
 Hi Zihan, On 09/18/2018 04:41 PM, Michael S. Tsirkin wrote: Cc Laine, Eric for an opinion about the management interface. On Mon, Sep 17, 2018 at 10:57:31PM +0800, Zihan Yang wrote: Hi all Here is a minimal working version of supporting multiple pci domains. The next a few paragraphs will

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-20 Thread Gerd Hoffmann
> > > As for the management, will some checks when adding mcfg be enough for > > > management? Or I can maintain a variable to indicate how many space > > > have been consumed and warn the user if they exceed the threshold? > > > The latter allows us to do the check when the pxb-pcie is

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-19 Thread Zihan Yang
Gerd Hoffmann 于2018年9月19日周三 下午12:26写道: > > > > > 2. Only 4x devices is supported, you need to be careful not to overuse > > > > > > Could you elaborate on this please? What happens if you are not careful? > > > How does management know what the limits are? > > > > It means the user might use more

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-18 Thread Gerd Hoffmann
> > > 2. Only 4x devices is supported, you need to be careful not to overuse > > > > Could you elaborate on this please? What happens if you are not careful? > > How does management know what the limits are? > > It means the user might use more space than 768MB for mmconfig, > which is

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-18 Thread Zihan Yang
Michael S. Tsirkin 于2018年9月18日周二 下午9:41写道: > > Cc Laine, Eric for an opinion about the management interface. > > On Mon, Sep 17, 2018 at 10:57:31PM +0800, Zihan Yang wrote: > > Hi all > > > > Here is a minimal working version of supporting multiple pci domains. > > The next a few paragraphs will

Re: [Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-18 Thread Michael S. Tsirkin
Cc Laine, Eric for an opinion about the management interface. On Mon, Sep 17, 2018 at 10:57:31PM +0800, Zihan Yang wrote: > Hi all > > Here is a minimal working version of supporting multiple pci domains. > The next a few paragraphs will illustrate the purpose and use example. > Current issue

[Qemu-devel] [RFC v5 0/6] pci_expander_brdige: support separate pci domain for pxb-pcie

2018-09-17 Thread Zihan Yang
Hi all Here is a minimal working version of supporting multiple pci domains. The next a few paragraphs will illustrate the purpose and use example. Current issue and limitations will be in last 2 paragraphs, followed by the changelog of each verison. Currently only q35 host bridge is allocated