Re: [Qemu-devel] [RFC PATCH] spapr-pci: Enable huge BARs

2014-11-17 Thread Alexander Graf
> Am 17.11.2014 um 04:54 schrieb Alexey Kardashevskiy : > > At the moment sPAPR only supports 512MB window for MMIO BARs. However > modern devices might want bigger 64bit BARs. > > This adds another 64bit MMIO window per PHB and advertises it via > the PHB's "ranges" property in the device tre

[Qemu-devel] [RFC PATCH] spapr-pci: Enable huge BARs

2014-11-16 Thread Alexey Kardashevskiy
At the moment sPAPR only supports 512MB window for MMIO BARs. However modern devices might want bigger 64bit BARs. This adds another 64bit MMIO window per PHB and advertises it via the PHB's "ranges" property in the device tree. The new window is 1TB long and starts from 1TB offset on a PCI addres