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[PATCH RFC v3 8/8] hw/i386/acpi-build: Add bypass_iommu check when build
From: |
Wang Xingang |
Subject: |
[PATCH RFC v3 8/8] hw/i386/acpi-build: Add bypass_iommu check when building IVRS table |
Date: |
Wed, 21 Apr 2021 08:05:03 +0000 |
From: Xingang Wang <wangxingang5@huawei.com>
When building IVRS table, only devices which go through iommu
will be scanned, and the corresponding ivhd will be inserted.
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Signed-off-by: Jiahui Cen <cenjiahui@huawei.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 fdb26682cb..71fb95737c 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2229,7 +2229,7 @@ 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);
}
}
--
2.19.1
- [PATCH RFC v3 0/8] Introduce Bypass IOMMU Feature, Wang Xingang, 2021/04/21
- [PATCH RFC v3 8/8] hw/i386/acpi-build: Add bypass_iommu check when building IVRS table,
Wang Xingang <=
- [PATCH RFC v3 5/8] hw/pci: Add pci_bus_range to get bus number range, Wang Xingang, 2021/04/21
- [PATCH RFC v3 1/8] hw/pci/pci_host: Allow bypass iommu for pci host, Wang Xingang, 2021/04/21
- [PATCH RFC v3 6/8] hw/arm/virt-acpi-build: Add explicit IORT idmap for smmuv3 node, Wang Xingang, 2021/04/21
- [PATCH RFC v3 4/8] hw/i386: Add a pc machine option to bypass iommu for primary bus, Wang Xingang, 2021/04/21
- [PATCH RFC v3 3/8] hw/arm/virt: Add a machine option to bypass iommu for primary bus, Wang Xingang, 2021/04/21
- [PATCH RFC v3 7/8] hw/i386/acpi-build: Add explicit scope in DMAR table, Wang Xingang, 2021/04/21
- [PATCH RFC v3 2/8] hw/pxb: Add a bypass iommu property, Wang Xingang, 2021/04/21