From: Nathan Chen <nathanc@nvidia.com>
Date: Thu, 20 Nov 2025 01:42:42 +0000 (-0800)
Subject: qemu: Format IOMMU devices after controllers
X-Git-Tag: v11.10.0-rc1~68
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d97bc25b82d320e0b71236b3676823224e308432;p=thirdparty%2Flibvirt.git

qemu: Format IOMMU devices after controllers

Format qemu arguments for IOMMU devices after
controllers as the multi-SMMUv3 model associates
SMMUv3 devices with hostdevs by plugging them
into the same controller upstream.

Signed-off-by: Nathan Chen <nathanc@nvidia.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index d5a4201e12..84a3abcfa5 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -10821,15 +10821,15 @@ qemuBuildCommandLine(virDomainObj *vm,
     if (qemuBuildBootCommandLine(cmd, def) < 0)
         return NULL;
 
-    if (qemuBuildIOMMUCommandLine(cmd, def, qemuCaps) < 0)
-        return NULL;
-
     if (qemuBuildGlobalControllerCommandLine(cmd, def) < 0)
         return NULL;
 
     if (qemuBuildControllersCommandLine(cmd, def, qemuCaps) < 0)
         return NULL;
 
+    if (qemuBuildIOMMUCommandLine(cmd, def, qemuCaps) < 0)
+        return NULL;
+
     if (qemuBuildMemoryDeviceCommandLine(cmd, cfg, def, priv) < 0)
         return NULL;