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[PATCH 0/8] pci/iommu: Fail early if vfio-pci detected before vIOMMU
From: |
Peter Xu |
Subject: |
[PATCH 0/8] pci/iommu: Fail early if vfio-pci detected before vIOMMU |
Date: |
Thu, 21 Oct 2021 18:42:51 +0800 |
This series overrides one previous patchset:
https://lore.kernel.org/qemu-devel/20210818194217.110451-1-peterx@redhat.com/
I started from v1 because obviously it's completely different way of doing the
same thing, hence versioning upon it would be weird.
Patches 1-7 are majorly cleanups for current pci code to finally provide a
clean way to loop over all the pci devices on the system.
Patch 8 uses the last helper pci_for_each_device_all() to loop over all the
devices during x86 vIOMMU realize() function to fail early if e.g. vfio-pci
devices are detected. Although this is not exactly what Igor suggested but it
should be mostly the same approach, so I kept the Suggested-by credit.
Please review, thanks.
Peter Xu (8):
pci: Define pci_bus_dev_fn type
pci: Export pci_for_each_device_under_bus*()
pci: Use pci_for_each_device_under_bus*()
pci: Define pci_bus_fn/pci_bus_ret_fn type
pci: Add pci_for_each_root_bus()
pci: Use pci_for_each_root_bus() in current code
pci: Add pci_for_each_device_all()
x86-iommu: Fail early if vIOMMU specified after vfio-pci
hw/arm/virt-acpi-build.c | 31 ++++++---------
hw/i386/acpi-build.c | 39 +++++--------------
hw/i386/x86-iommu.c | 18 +++++++++
hw/pci/pci.c | 77 +++++++++++++++++++++++++++++---------
hw/pci/pcie.c | 4 +-
hw/ppc/spapr_pci.c | 12 +++---
hw/ppc/spapr_pci_nvlink2.c | 7 ++--
hw/ppc/spapr_pci_vfio.c | 4 +-
hw/s390x/s390-pci-bus.c | 5 +--
hw/xen/xen_pt.c | 4 +-
include/hw/pci/pci.h | 28 +++++++++-----
11 files changed, 132 insertions(+), 97 deletions(-)
--
2.32.0
- [PATCH 0/8] pci/iommu: Fail early if vfio-pci detected before vIOMMU,
Peter Xu <=