Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210913-3' into...

[mirror_qemu.git] / hw / intc / arm_gicv3_common.c

diff --git a/hw/intc/arm_gicv3_common.c b/hw/intc/arm_gicv3_common.c
index 5edabb928f7a4f47c0502e49e389ec9f90f68c6f..223db16feca43e44d64c8a779cb08486b9b78ec9 100644 (file)
--- a/hw/intc/arm_gicv3_common.c
+++ b/hw/intc/arm_gicv3_common.c
@@ -24,8 +24,10 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "qemu/module.h"
-#include "qom/cpu.h"
+#include "hw/core/cpu.h"
 #include "hw/intc/arm_gicv3_common.h"
+#include "hw/qdev-properties.h"
+#include "migration/vmstate.h"
 #include "gicv3_internal.h"
 #include "hw/arm/linux-boot-if.h"
 #include "sysemu/kvm.h"
@@ -343,6 +345,11 @@ static void arm_gicv3_common_realize(DeviceState *dev, Error **errp)
         return;
     }
 
+    if (s->lpi_enable && !s->dma) {
+        error_setg(errp, "Redist-ITS: Guest 'sysmem' reference link not set");
+        return;
+    }
+
     s->cpu = g_new0(GICv3CPUState, s->num_cpu);
 
     for (i = 0; i < s->num_cpu; i++) {
@@ -379,6 +386,10 @@ static void arm_gicv3_common_realize(DeviceState *dev, Error **errp)
             (1 << 24) |
             (i << 8) |
             (last << 4);
+
+        if (s->lpi_enable) {
+            s->cpu[i].gicr_typer |= GICR_TYPER_PLPIS;
+        }
     }
 }
 
@@ -424,6 +435,7 @@ static void arm_gicv3_common_reset(DeviceState *dev)
         memset(cs->gicr_ipriorityr, 0, sizeof(cs->gicr_ipriorityr));
 
         cs->hppi.prio = 0xff;
+        cs->hpplpi.prio = 0xff;
 
         /* State in the CPU interface must *not* be reset here, because it
          * is part of the CPU's reset domain, not the GIC device's.
@@ -492,9 +504,12 @@ static Property arm_gicv3_common_properties[] = {
     DEFINE_PROP_UINT32("num-cpu", GICv3State, num_cpu, 1),
     DEFINE_PROP_UINT32("num-irq", GICv3State, num_irq, 32),
     DEFINE_PROP_UINT32("revision", GICv3State, revision, 3),
+    DEFINE_PROP_BOOL("has-lpi", GICv3State, lpi_enable, 0),
     DEFINE_PROP_BOOL("has-security-extensions", GICv3State, security_extn, 0),
     DEFINE_PROP_ARRAY("redist-region-count", GICv3State, nb_redist_regions,
                       redist_region_count, qdev_prop_uint32, uint32_t),
+    DEFINE_PROP_LINK("sysmem", GICv3State, dma, TYPE_MEMORY_REGION,
+                     MemoryRegion *),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -505,7 +520,7 @@ static void arm_gicv3_common_class_init(ObjectClass *klass, void *data)
 
     dc->reset = arm_gicv3_common_reset;
     dc->realize = arm_gicv3_common_realize;
-    dc->props = arm_gicv3_common_properties;
+    device_class_set_props(dc, arm_gicv3_common_properties);
     dc->vmsd = &vmstate_gicv3;
     albifc->arm_linux_init = arm_gic_common_linux_init;
 }