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[Qemu-devel] [PATCH v2 6/6] q35: Allow only supported dynamic sysbus dev


From: Eduardo Habkost
Subject: [Qemu-devel] [PATCH v2 6/6] q35: Allow only supported dynamic sysbus devices
Date: Sat, 25 Nov 2017 13:16:10 -0200

The only user-creatable sysbus devices in qemu-system-x86_64 are
amd-iommu, intel-iommu, and xen-backend.  xen-backend is handled
by xen_set_dynamic_sysbus(), so we only need to add amd-iommu and
intel-iommu.

Cc: "Michael S. Tsirkin" <address@hidden>
Cc: Marcel Apfelbaum <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
---
Changes series v1 -> v2:
* New patch added to series
---
 hw/i386/pc_q35.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index d0b0e5b422..db2bebb357 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -42,6 +42,8 @@
 #include "exec/address-spaces.h"
 #include "hw/i386/pc.h"
 #include "hw/i386/ich9.h"
+#include "hw/i386/amd_iommu.h"
+#include "hw/i386/intel_iommu.h"
 #include "hw/smbios/smbios.h"
 #include "hw/ide/pci.h"
 #include "hw/ide/ahci.h"
@@ -299,8 +301,8 @@ static void pc_q35_machine_options(MachineClass *m)
     m->default_machine_opts = "firmware=bios-256k.bin";
     m->default_display = "std";
     m->no_floppy = 1;
-    /*TODO: allow only sysbus devices that really work with this machine */
-    machine_class_allow_dynamic_sysbus_dev(m, TYPE_SYS_BUS_DEVICE);
+    machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
+    machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
     m->max_cpus = 288;
 }
 
-- 
2.13.6




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