On Thu, May 30, 2024 at 12:24:58PM +0000, CLEMENT MATHIEU--DRIF wrote: > This series belongs to a list of series that add SVM support for VT-d. > > Here we focus on the implementation of PRI support in the IOMMU and on a > PCI-level > API for PRI to be used by virtual devices. > > This work is based on the VT-d specification version 4.1 (March 2023). > Here is a link to a GitHub repository where you can find the following > elements : > - Qemu with all the patches for SVM > - ATS > - PRI > - Device IOTLB invalidations > - Requests with already translated addresses > - A demo device > - A simple driver for the demo device > - A userspace program (for testing and demonstration purposes) > > https://github.com/BullSequana/Qemu-in-guest-SVM-demo
To make things clear, is this patchset independent or does it have a dependency, too? > Clément Mathieu--Drif (8): > pcie: add a helper to declare the PRI capability for a pcie device > pcie: helper functions to check to check if PRI is enabled > pcie: add a way to get the outstanding page request allocation (pri) > from the config space. > pci: declare structures and IOMMU operation for PRI > pci: add a PCI-level API for PRI > intel_iommu: declare PRI constants and structures > intel_iommu: declare registers for PRI > intel_iommu: add PRI operations support > > hw/i386/intel_iommu.c | 302 +++++++++++++++++++++++++++++++++ > hw/i386/intel_iommu_internal.h | 54 +++++- > hw/pci/pci.c | 37 ++++ > hw/pci/pcie.c | 42 +++++ > include/exec/memory.h | 65 +++++++ > include/hw/pci/pci.h | 45 +++++ > include/hw/pci/pci_bus.h | 1 + > include/hw/pci/pcie.h | 7 +- > include/hw/pci/pcie_regs.h | 4 + > system/memory.c | 49 ++++++ > 10 files changed, 604 insertions(+), 2 deletions(-) > > -- > 2.45.1
