From: Wang Xingang <wangxingang5@huawei.com>
To: <qemu-devel@nongnu.org>, <qemu-arm@nongnu.org>,
<eric.auger@redhat.com>, <shannon.zhaosl@gmail.com>,
<imammedo@redhat.com>, <mst@redhat.com>,
<marcel.apfelbaum@gmail.com>, <peter.maydell@linaro.org>,
<ehabkost@redhat.com>, <richard.henderson@linaro.org>,
<pbonzini@redhat.com>
Cc: xieyingtai@huawei.com, cenjiahui@huawei.com, wangxingang5@huawei.com
Subject: [PATCH RFC RESEND v2 6/6] hw/i386/acpi-build: Add iommu filter in IVRS table
Date: Thu, 25 Mar 2021 07:22:45 +0000 [thread overview]
Message-ID: <1616656965-23328-7-git-send-email-wangxingang5@huawei.com> (raw)
In-Reply-To: <1616656965-23328-1-git-send-email-wangxingang5@huawei.com>
From: Xingang Wang <wangxingang5@huawei.com>
When building amd IVRS table, only devices attached to root bus with
IOMMU flag should be scanned.
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 6936889cad..e0f38305da 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_root_bus_has_iommu(bus)) {
pci_for_each_device(bus, pci_bus_num(bus), insert_ivhd, ivhd_blob);
}
}
--
2.19.1
next prev parent reply other threads:[~2021-03-25 7:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-25 7:22 [PATCH RFC RESEND v2 0/6] Introduce IOMMU Option For PCI Root Bus Wang Xingang
2021-03-25 7:22 ` [PATCH RFC RESEND v2 1/6] hw/pci/pci_host: Add iommu property for pci host Wang Xingang
2021-04-12 17:36 ` Auger Eric
2021-04-13 3:25 ` Wang Xingang
2021-03-25 7:22 ` [PATCH RFC RESEND v2 2/6] hw/pci: Add iommu option for pci root bus Wang Xingang
2021-04-12 17:36 ` Auger Eric
2021-04-13 3:34 ` Wang Xingang
2021-03-25 7:22 ` [PATCH RFC RESEND v2 3/6] hw/pci: Add pci_root_bus_max_bus Wang Xingang
2021-04-13 8:05 ` Auger Eric
2021-04-13 11:35 ` Xingang Wang
2021-03-25 7:22 ` [PATCH RFC RESEND v2 4/6] hw/arm/virt-acpi-build: Add explicit idmap info in IORT table Wang Xingang
2021-04-13 9:03 ` Auger Eric
2021-04-13 12:00 ` Xingang Wang
2021-03-25 7:22 ` [PATCH RFC RESEND v2 5/6] hw/i386/acpi-build: Add explicit scope in DMAR table Wang Xingang
2021-03-25 7:22 ` Wang Xingang [this message]
2021-03-31 9:00 ` [PATCH RFC RESEND v2 0/6] Introduce IOMMU Option For PCI Root Bus Wang Xingang
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