From: Hendrik Wüthrich <whendrik@google.com>
Add code to initialize all necessary state for the RDT device.
Signed-off-by: Hendrik Wüthrich <whendrik@google.com>
---
hw/i386/rdt.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/hw/i386/rdt.c b/hw/i386/rdt.c
index 934f7fbf75..c395ab91a9 100644
--- a/hw/i386/rdt.c
+++ b/hw/i386/rdt.c
@@ -19,6 +19,7 @@
#include "hw/isa/isa.h"
#include "hw/qdev-properties.h"
#include "qom/object.h"
+#include "target/i386/cpu.h"
/* Max counts for allocation masks or CBMs. In other words, the size of respective MSRs*/
#define RDT_MAX_L3_MASK_COUNT 128
@@ -79,8 +80,36 @@ static void rdt_init(Object *obj)
{
}
+static void rdt_realize(DeviceState *dev, Error **errp)
+{
+ CPUState *cs = first_cpu;
+ RDTState *rdtDev = RDT(dev);
+
+ rdtDev->rdtInstances = g_malloc(sizeof(RDTStatePerCore) * cs->nr_cores);
+ CPU_FOREACH(cs) {
+ RDTStatePerCore *rdt = &rdtDev->rdtInstances[cs->cpu_index];
+ X86CPU *cpu = X86_CPU(cs);
+
+ rdt->rdtstate = rdtDev;
+ cpu->rdt = rdt;
+
+ rdt->monitors = g_malloc(sizeof(RDTMonitor) * rdtDev->rmids);
+ rdt->rdtstate->allocations = g_malloc(sizeof(RDTAllocation) * rdtDev->rmids);
+ }
+}
+
static void rdt_finalize(Object *obj)
{
+ CPUState *cs;
+ RDTState *rdt = RDT(obj);
+
+ CPU_FOREACH(cs) {
+ RDTStatePerCore *rdtInstance = &rdt->rdtInstances[cs->cpu_index];
+ g_free(rdtInstance->monitors);
+ g_free(rdtInstance->rdtstate->allocations);
+ }
+
+ g_free(rdt->rdtInstances);
}
static void rdt_class_init(ObjectClass *klass, void *data)
@@ -90,6 +119,7 @@ static void rdt_class_init(ObjectClass *klass, void *data)
dc->hotpluggable = false;
dc->desc = "RDT";
dc->user_creatable = true;
+ dc->realize = rdt_realize;
device_class_set_props(dc, rdt_properties);
}
--
2.46.0.469.g59c65b2a67-goog