d39b9dfb91
- qemu: Add support for HW-accelerated nested SMMUv3 (VOYAGER-4) - tests: qemuxmlconfdata: provide HW-accel smmuv3 sample XML and CLI args (VOYAGER-4) - qemu: add IOMMU attribute "cmdqv" for smmuv3 (VOYAGER-14) - tests: qemuxmlconfdata: provide cmdqv sample XML and CLI args (VOYAGER-14) Resolves: VOYAGER-4, VOYAGER-14
90 lines
3.3 KiB
Diff
90 lines
3.3 KiB
Diff
From 615f11792c8988cfd6a30717dcc8d5d9174ea508 Mon Sep 17 00:00:00 2001
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Message-ID: <615f11792c8988cfd6a30717dcc8d5d9174ea508.1771423658.git.jdenemar@redhat.com>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Sun, 15 Feb 2026 18:19:23 +0100
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Subject: [PATCH] conf: Introduce virHostdevIsPCIDeviceWithIOMMUFD
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit 97eed30948e980be8b7552fff637e828768854e4)
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Resolves: https://issues.redhat.com/browse/RHEL-150351
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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---
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src/conf/domain_conf.c | 15 +++++++++++++++
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src/conf/domain_conf.h | 3 +++
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src/libvirt_private.syms | 1 +
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src/qemu/qemu_process.c | 5 +----
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4 files changed, 20 insertions(+), 4 deletions(-)
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diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
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index 83c58ab5ff..9ae48e9abc 100644
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--- a/src/conf/domain_conf.c
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+++ b/src/conf/domain_conf.c
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@@ -32758,6 +32758,21 @@ virHostdevIsPCIDevice(const virDomainHostdevDef *hostdev)
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}
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+/**
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+ * virHostdevIsPCIDeviceWithIOMMUFD:
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+ * @hostdev: host device to check
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+ *
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+ * Returns true if @hostdev is a PCI device with IOMMUFD enabled, false otherwise.
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+ */
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+bool
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+virHostdevIsPCIDeviceWithIOMMUFD(const virDomainHostdevDef *hostdev)
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+{
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+ return virHostdevIsPCIDevice(hostdev) &&
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+ hostdev->source.subsys.u.pci.driver.name == VIR_DEVICE_HOSTDEV_PCI_DRIVER_NAME_VFIO &&
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+ hostdev->source.subsys.u.pci.driver.iommufd == VIR_TRISTATE_BOOL_YES;
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+}
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+
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+
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static void
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virDomainObjGetMessagesIOErrorsSrc(virStorageSource *src,
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const char *diskdst,
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diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
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index b120d4a68e..d958ed04f9 100644
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--- a/src/conf/domain_conf.h
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+++ b/src/conf/domain_conf.h
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@@ -4713,6 +4713,9 @@ virHostdevIsMdevDevice(const virDomainHostdevDef *hostdev)
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bool
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virHostdevIsPCIDevice(const virDomainHostdevDef *hostdev)
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ATTRIBUTE_NONNULL(1);
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+bool
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+virHostdevIsPCIDeviceWithIOMMUFD(const virDomainHostdevDef *hostdev)
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+ ATTRIBUTE_NONNULL(1);
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void
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virDomainObjGetMessagesIOErrorsChain(virStorageSource *src,
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diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
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index 9ae44e31b8..863e50ec4f 100644
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--- a/src/libvirt_private.syms
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+++ b/src/libvirt_private.syms
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@@ -812,6 +812,7 @@ virDomainQemuMonitorEventNew;
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virDomainQemuMonitorEventStateRegisterID;
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virHostdevIsMdevDevice;
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virHostdevIsPCIDevice;
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+virHostdevIsPCIDeviceWithIOMMUFD;
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virHostdevIsSCSIDevice;
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diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
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index 7e32325fa0..3bd81c55b3 100644
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--- a/src/qemu/qemu_process.c
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+++ b/src/qemu/qemu_process.c
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@@ -7732,10 +7732,7 @@ qemuProcessOpenVfioFds(virDomainObj *vm)
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for (i = 0; i < vm->def->nhostdevs; i++) {
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virDomainHostdevDef *hostdev = vm->def->hostdevs[i];
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- if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
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- hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
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- hostdev->source.subsys.u.pci.driver.name == VIR_DEVICE_HOSTDEV_PCI_DRIVER_NAME_VFIO &&
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- hostdev->source.subsys.u.pci.driver.iommufd == VIR_TRISTATE_BOOL_YES) {
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+ if (virHostdevIsPCIDeviceWithIOMMUFD(hostdev)) {
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/* Open VFIO device FD */
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if (qemuProcessOpenVfioDeviceFd(hostdev) < 0)
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return -1;
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--
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2.53.0
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