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q35: Allow only supported dynamic sysbus devices

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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" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20171125151610.20547-7-ehabkost@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2017-11-25 13:16:10 -02:00
parent b1b68e1094
commit ef18310d54
1 changed files with 4 additions and 2 deletions
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6
hw/i386/pc_q35.c
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@ -42,6 +42,8 @@
#include "exec/address-spaces.h" #include "exec/address-spaces.h"
#include "hw/i386/pc.h" #include "hw/i386/pc.h"
#include "hw/i386/ich9.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/smbios/smbios.h"
#include "hw/ide/pci.h" #include "hw/ide/pci.h"
#include "hw/ide/ahci.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_machine_opts = "firmware=bios-256k.bin";
m->default_display = "std"; m->default_display = "std";
m->no_floppy = 1; m->no_floppy = 1;
/*TODO: allow only sysbus devices that really work with this machine */ machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
machine_class_allow_dynamic_sysbus_dev(m, TYPE_SYS_BUS_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
m->max_cpus = 288; m->max_cpus = 288;
} }