Re: [PATCH] OvmfPkg/XenPlatformPei: Use CPUID to get physical address width on Xen

2021-01-19 Thread Julien Grall
Hi Igor, On 13/01/2021 03:42, Igor Druzhinin wrote: We faced a problem with passing through a PCI device with 64GB BAR to UEFI guest. The BAR is expectedly programmed into 64-bit PCI aperture at 64G address which pushes physical address space to 37 bits. That is above 36-bit width that OVMF expo

Re: [PATCH] OvmfPkg/XenPlatformPei: Use CPUID to get physical address width on Xen

2021-01-12 Thread Laszlo Ersek
On 01/13/21 04:42, Igor Druzhinin wrote: > We faced a problem with passing through a PCI device with 64GB BAR to > UEFI guest. The BAR is expectedly programmed into 64-bit PCI aperture at > 64G address which pushes physical address space to 37 bits. That is above > 36-bit width that OVMF exposes cu