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authorXiaoyao Li <xiaoyao.li@intel.com>2022-03-10 20:28:11 +0800
committerMichael S. Tsirkin <mst@redhat.com>2022-05-16 16:15:40 -0400
commitc300bbe8d2a84003775c2ebb2b2885b80b1d9c32 (patch)
tree136dac32cda6118b538a59fefcaf84b09f43df40 /hw/i386/microvm.c
parent9dee7e510969787be49771e4653a123a26d1069f (diff)
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hw/i386: Make pic a property of common x86 base machine type
Legacy PIC (8259) cannot be supported for TDX guests since TDX module doesn't allow directly interrupt injection. Using posted interrupts for the PIC is not a viable option as the guest BIOS/kernel will not do EOI for PIC IRQs, i.e. will leave the vIRR bit set. Make PIC the property of common x86 machine type. Hence all x86 machines, including microvm, can disable it. Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com> Reviewed-by: Sergio Lopez <slp@redhat.com> Message-Id: <20220310122811.807794-3-xiaoyao.li@intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/microvm.c')
-rw-r--r--hw/i386/microvm.c27
1 files changed, 1 insertions, 26 deletions
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 89b555a..754f1d0 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -247,7 +247,7 @@ static void microvm_devices_init(MicrovmMachineState *mms)
x86ms->pci_irq_mask = 0;
}
- if (mms->pic == ON_OFF_AUTO_ON || mms->pic == ON_OFF_AUTO_AUTO) {
+ if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) {
qemu_irq *i8259;
i8259 = i8259_init(isa_bus, x86_allocate_cpu_irq());
@@ -491,23 +491,6 @@ static void microvm_machine_reset(MachineState *machine)
}
}
-static void microvm_machine_get_pic(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- MicrovmMachineState *mms = MICROVM_MACHINE(obj);
- OnOffAuto pic = mms->pic;
-
- visit_type_OnOffAuto(v, name, &pic, errp);
-}
-
-static void microvm_machine_set_pic(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-
- visit_type_OnOffAuto(v, name, &mms->pic, errp);
-}
-
static void microvm_machine_get_rtc(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
@@ -632,7 +615,6 @@ static void microvm_machine_initfn(Object *obj)
MicrovmMachineState *mms = MICROVM_MACHINE(obj);
/* Configuration */
- mms->pic = ON_OFF_AUTO_AUTO;
mms->rtc = ON_OFF_AUTO_AUTO;
mms->pcie = ON_OFF_AUTO_AUTO;
mms->ioapic2 = ON_OFF_AUTO_AUTO;
@@ -684,13 +666,6 @@ static void microvm_class_init(ObjectClass *oc, void *data)
x86mc->fwcfg_dma_enabled = true;
- object_class_property_add(oc, MICROVM_MACHINE_PIC, "OnOffAuto",
- microvm_machine_get_pic,
- microvm_machine_set_pic,
- NULL, NULL);
- object_class_property_set_description(oc, MICROVM_MACHINE_PIC,
- "Enable i8259 PIC");
-
object_class_property_add(oc, MICROVM_MACHINE_RTC, "OnOffAuto",
microvm_machine_get_rtc,
microvm_machine_set_rtc,