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Thu, 21 Oct 2021 03:43:09 -0700 (PDT) Received: from localhost.localdomain ([84.17.34.135]) by smtp.gmail.com with ESMTPSA id e1sm5246893pgi.43.2021.10.21.03.43.03 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Oct 2021 03:43:08 -0700 (PDT) From: Peter Xu To: qemu-devel@nongnu.org Subject: [PATCH 0/8] pci/iommu: Fail early if vfio-pci detected before vIOMMU Date: Thu, 21 Oct 2021 18:42:51 +0800 Message-Id: <20211021104259.57754-1-peterx@redhat.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=peterx@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=216.205.24.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , "Daniel P . Berrange" , Eduardo Habkost , "Michael S . Tsirkin" , Jason Wang , David Hildenbrand , Markus Armbruster , peterx@redhat.com, Shannon Zhao , Alex Williamson , Paolo Bonzini , Igor Mammedov , Eric Auger , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series overrides one previous patchset:=0D =0D https://lore.kernel.org/qemu-devel/20210818194217.110451-1-peterx@redhat.co= m/=0D =0D I started from v1 because obviously it's completely different way of doing = the=0D same thing, hence versioning upon it would be weird.=0D =0D Patches 1-7 are majorly cleanups for current pci code to finally provide a= =0D clean way to loop over all the pci devices on the system.=0D =0D Patch 8 uses the last helper pci_for_each_device_all() to loop over all the= =0D devices during x86 vIOMMU realize() function to fail early if e.g. vfio-pci= =0D devices are detected. Although this is not exactly what Igor suggested but= it=0D should be mostly the same approach, so I kept the Suggested-by credit.=0D =0D Please review, thanks.=0D =0D Peter Xu (8):=0D pci: Define pci_bus_dev_fn type=0D pci: Export pci_for_each_device_under_bus*()=0D pci: Use pci_for_each_device_under_bus*()=0D pci: Define pci_bus_fn/pci_bus_ret_fn type=0D pci: Add pci_for_each_root_bus()=0D pci: Use pci_for_each_root_bus() in current code=0D pci: Add pci_for_each_device_all()=0D x86-iommu: Fail early if vIOMMU specified after vfio-pci=0D =0D hw/arm/virt-acpi-build.c | 31 ++++++---------=0D hw/i386/acpi-build.c | 39 +++++--------------=0D hw/i386/x86-iommu.c | 18 +++++++++=0D hw/pci/pci.c | 77 +++++++++++++++++++++++++++++---------=0D hw/pci/pcie.c | 4 +-=0D hw/ppc/spapr_pci.c | 12 +++---=0D hw/ppc/spapr_pci_nvlink2.c | 7 ++--=0D hw/ppc/spapr_pci_vfio.c | 4 +-=0D hw/s390x/s390-pci-bus.c | 5 +--=0D hw/xen/xen_pt.c | 4 +-=0D include/hw/pci/pci.h | 28 +++++++++-----=0D 11 files changed, 132 insertions(+), 97 deletions(-)=0D =0D --=20=0D 2.32.0=0D =0D