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From: "Michael S. Tsirkin" <mst@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Xingang Wang <wangxingang5@huawei.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Igor Mammedov <imammedo@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Eduardo Habkost <ehabkost@redhat.com>
Subject: [PULL v3 17/19] hw/i386/acpi-build: Add IVRS support to bypass iommu
Date: Fri, 16 Jul 2021 11:15:42 -0400	[thread overview]
Message-ID: <20210716151416.155127-18-mst@redhat.com> (raw)
In-Reply-To: <20210716151416.155127-1-mst@redhat.com>

From: Xingang Wang <wangxingang5@huawei.com>

Check bypass_iommu to exclude the devices which will bypass iommu.

Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Message-Id: <1625748919-52456-9-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/i386/acpi-build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 7efc6285ac..17836149fe 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2263,7 +2263,7 @@ ivrs_host_bridges(Object *obj, void *opaque)
     if (object_dynamic_cast(obj, TYPE_PCI_HOST_BRIDGE)) {
         PCIBus *bus = PCI_HOST_BRIDGE(obj)->bus;
 
-        if (bus) {
+        if (bus && !pci_bus_bypass_iommu(bus)) {
             pci_for_each_device(bus, pci_bus_num(bus), insert_ivhd, ivhd_blob);
         }
     }
-- 
MST



  parent reply	other threads:[~2021-07-16 15:26 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-16 15:15 [PULL v3 00/19] pc,pci,virtio: lots of new features Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 01/19] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to Q35 Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 02/19] hw/acpi/ich9: Enable ACPI PCI hot-plug Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 03/19] hw/pci/pcie: Do not set HPC flag if acpihp is used Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 04/19] bios-tables-test: Allow changes in DSDT ACPI tables Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 05/19] hw/acpi/ich9: Set ACPI PCI hot-plug as default on Q35 Michael S. Tsirkin
2021-07-20 11:38   ` Laurent Vivier
2021-07-20 12:56     ` Laurent Vivier
2021-07-21 14:59       ` Igor Mammedov
2021-07-21 15:49         ` Laurent Vivier
2021-07-21 16:09           ` Michael S. Tsirkin
2021-07-21 16:27             ` Igor Mammedov
2021-07-21 16:37               ` Michael S. Tsirkin
2021-07-22  9:56                 ` Laurent Vivier
2021-07-22 10:57                 ` Igor Mammedov
2021-07-21 16:01         ` Philippe Mathieu-Daudé
2021-07-16 15:15 ` [PULL v3 06/19] bios-tables-test: Update golden binaries Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 07/19] hw/virtio: add boilerplate for vhost-user-i2c device Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 08/19] hw/virtio: add vhost-user-i2c-pci boilerplate Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 09/19] docs: Add '-device intel-iommu' entry Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 10/19] hw/pci/pci_host: Allow PCI host to bypass iommu Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 11/19] hw/pxb: Add a bypass iommu property Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 12/19] hw/arm/virt: Add default_bus_bypass_iommu machine option Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 13/19] hw/i386: Add a default_bus_bypass_iommu pc " Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 14/19] hw/pci: Add pci_bus_range() to get PCI bus number range Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 15/19] hw/arm/virt-acpi-build: Add IORT support to bypass SMMUv3 Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 16/19] hw/i386/acpi-build: Add DMAR support to bypass iommu Michael S. Tsirkin
2021-07-16 15:15 ` Michael S. Tsirkin [this message]
2021-07-16 15:15 ` [PULL v3 18/19] docs: Add documentation for iommu bypass Michael S. Tsirkin
2021-07-16 15:15 ` [PULL v3 19/19] vhost-vsock: SOCK_SEQPACKET feature bit support Michael S. Tsirkin
2021-07-16 17:49 ` [PULL v3 00/19] pc,pci,virtio: lots of new features Peter Maydell

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