Re: [PATCH v5 0/2] s390x/pci: relax I/O address translation requirement

2025-03-05 Thread Thomas Huth
On 26/02/2025 22.00, Matthew Rosato wrote: This series introduces the concept of the relaxed translation requirement for s390x guests in order to allow bypass of the guest IOMMU for more efficient PCI passthrough. With this series, QEMU can indicate to the guest that an IOMMU is not strictly req

[PATCH v5 0/2] s390x/pci: relax I/O address translation requirement

2025-02-26 Thread Matthew Rosato
This series introduces the concept of the relaxed translation requirement for s390x guests in order to allow bypass of the guest IOMMU for more efficient PCI passthrough. With this series, QEMU can indicate to the guest that an IOMMU is not strictly required for a zPCI device. This would subseque