@@ -1543,6 +1543,20 @@ static void machvirt_init(MachineState *machine)
create_platform_bus(vms, pic);
}
+static bool virt_get_smmu(Object *obj, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ return vms->smmu;
+}
+
+static void virt_set_smmu(Object *obj, bool value, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ vms->smmu = value;
+}
+
static bool virt_get_secure(Object *obj, Error **errp)
{
VirtMachineState *vms = VIRT_MACHINE(obj);
@@ -1698,7 +1712,7 @@ static void machvirt_machine_init(void)
}
type_init(machvirt_machine_init);
-static void virt_2_9_instance_init(Object *obj)
+static void virt_2_10_instance_init(Object *obj)
{
VirtMachineState *vms = VIRT_MACHINE(obj);
VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
@@ -1754,14 +1768,47 @@ static void virt_2_9_instance_init(Object *obj)
NULL);
}
+ if (vmc->no_smmu) {
+ vms->smmu = false;
+ } else {
+ /* Default disallows smmu instantiation */
+ vms->smmu = false;
+ object_property_add_bool(obj, "smmu", virt_get_smmu,
+ virt_set_smmu, NULL);
+ object_property_set_description(obj, "smmu",
+ "Set on/off to enable/disable "
+ "smmu instantiation (default off)",
+ NULL);
+ }
+
vms->memmap = a15memmap;
vms->irqmap = a15irqmap;
}
+static void virt_machine_2_10_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE_AS_LATEST(2, 10)
+
+#define VIRT_COMPAT_2_9 \
+ HW_COMPAT_2_9
+
+static void virt_2_9_instance_init(Object *obj)
+{
+ virt_2_10_instance_init(obj);
+}
+
static void virt_machine_2_9_options(MachineClass *mc)
{
+ VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
+
+ virt_machine_2_10_options(mc);
+ SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_9);
+
+ vmc->no_smmu = true;
}
-DEFINE_VIRT_MACHINE_AS_LATEST(2, 9)
+DEFINE_VIRT_MACHINE(2, 9)
+
#define VIRT_COMPAT_2_8 \
HW_COMPAT_2_8
@@ -86,6 +86,7 @@ typedef struct {
bool disallow_affinity_adjustment;
bool no_its;
bool no_pmu;
+ bool no_smmu;
bool claim_edge_triggered_timers;
} VirtMachineClass;
The new machine type allows smmuv3 instantiation. A new option is introduced to turn the feature on/off (off by default). Signed-off-by: Eric Auger <eric.auger@redhat.com> --- Another alternative would be to use the -device option as done on x86. As the smmu is a sysbus device, we would need to use the platform bus framework. This would work fine for the dt generation. However the feasibility needs to be studied for ACPI table generation. a Veuillez saisir le message de validation pour vos modifications. Les lignes --- hw/arm/virt.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++-- include/hw/arm/virt.h | 1 + 2 files changed, 50 insertions(+), 2 deletions(-)