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
73 lines
2.3 KiB
Diff
73 lines
2.3 KiB
Diff
From da301bafb4eb4658a0b4aae8d8b633bc9a1ef2f9 Mon Sep 17 00:00:00 2001
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Message-ID: <da301bafb4eb4658a0b4aae8d8b633bc9a1ef2f9.1771423658.git.jdenemar@redhat.com>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Sun, 15 Feb 2026 19:01:35 +0100
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Subject: [PATCH] qemu_process: Refactor qemuProcessOpenIommuFd
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This will allow us reusing same code for hotplug.
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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 ff2848827f42578115ef54a389a41798a96fd338)
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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/qemu/qemu_process.c | 15 ++++++---------
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1 file changed, 6 insertions(+), 9 deletions(-)
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diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
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index dd165512f3..71770d2099 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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@@ -7676,24 +7676,23 @@ qemuProcessPrepareHostBackendChardevHotplug(virDomainObj *vm,
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/**
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* qemuProcessOpenIommuFd:
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* @vm: domain object
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- * @iommuFd: returned file descriptor
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*
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* Opens /dev/iommu file descriptor for the VM.
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*
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- * Returns: FD on success, -1 on failure
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+ * Returns: 0 on success, -1 on failure
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*/
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static int
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qemuProcessOpenIommuFd(virDomainObj *vm)
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{
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- int fd = -1;
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+ qemuDomainObjPrivate *priv = vm->privateData;
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VIR_DEBUG("Opening IOMMU FD for domain %s", vm->def->name);
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- if ((fd = virIOMMUFDOpenDevice()) < 0)
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+ if ((priv->iommufd = virIOMMUFDOpenDevice()) < 0)
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return -1;
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- VIR_DEBUG("Opened IOMMU FD %d for domain %s", fd, vm->def->name);
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- return fd;
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+ VIR_DEBUG("Opened IOMMU FD %d for domain %s", priv->iommufd, vm->def->name);
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+ return 0;
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}
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/**
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@@ -7750,7 +7749,6 @@ qemuProcessOpenVfioDeviceFd(virDomainHostdevDef *hostdev)
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static int
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qemuProcessOpenVfioFds(virDomainObj *vm)
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{
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- qemuDomainObjPrivate *priv = vm->privateData;
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size_t i;
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/* Check if we have any hostdevs that need VFIO FDs */
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@@ -7768,8 +7766,7 @@ qemuProcessOpenVfioFds(virDomainObj *vm)
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return -1;
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/* Open IOMMU FD */
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- priv->iommufd = qemuProcessOpenIommuFd(vm);
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- if (priv->iommufd == -1)
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+ if (qemuProcessOpenIommuFd(vm) < 0)
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return -1;
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}
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}
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--
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2.53.0
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