A base device, dimm, is abstracted from pc-dimm, so that we can
build nvdimm device based on dimm in the later patch
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
Signed-off-by: Xiao Guangrong <guangrong.x...@linux.intel.com>
---
default-configs/i386-softmmu.mak | 1 +
default-configs/ppc64-softmmu.mak | 1 +
default-configs/x86_64-softmmu.mak | 1 +
hw/mem/Makefile.objs | 3 ++-
hw/mem/dimm.c | 11 ++-------
hw/mem/pc-dimm.c | 46 ++++++++++++++++++++++++++++++++++++++
include/hw/mem/dimm.h | 4 ++--
include/hw/mem/pc-dimm.h | 7 ++++++
8 files changed, 62 insertions(+), 12 deletions(-)
create mode 100644 hw/mem/pc-dimm.c
create mode 100644 include/hw/mem/pc-dimm.h
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 43c96d1..3ece8bb 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -18,6 +18,7 @@ CONFIG_FDC=y
CONFIG_ACPI=y
CONFIG_ACPI_X86=y
CONFIG_ACPI_X86_ICH=y
+CONFIG_DIMM=y
CONFIG_ACPI_MEMORY_HOTPLUG=y
CONFIG_ACPI_CPU_HOTPLUG=y
CONFIG_APM=y
diff --git a/default-configs/ppc64-softmmu.mak
b/default-configs/ppc64-softmmu.mak
index bb71b23..482b8a1 100644
--- a/default-configs/ppc64-softmmu.mak
+++ b/default-configs/ppc64-softmmu.mak
@@ -54,3 +54,4 @@ CONFIG_XICS_KVM=$(and $(CONFIG_PSERIES),$(CONFIG_KVM))
CONFIG_MC146818RTC=y
CONFIG_ISA_TESTDEV=y
CONFIG_MEM_HOTPLUG=y
+CONFIG_DIMM=y
diff --git a/default-configs/x86_64-softmmu.mak
b/default-configs/x86_64-softmmu.mak
index dfb8095..92ea7c1 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -18,6 +18,7 @@ CONFIG_FDC=y
CONFIG_ACPI=y
CONFIG_ACPI_X86=y
CONFIG_ACPI_X86_ICH=y
+CONFIG_DIMM=y
CONFIG_ACPI_MEMORY_HOTPLUG=y
CONFIG_ACPI_CPU_HOTPLUG=y
CONFIG_APM=y
diff --git a/hw/mem/Makefile.objs b/hw/mem/Makefile.objs
index 7563ef5..cebb4b1 100644
--- a/hw/mem/Makefile.objs
+++ b/hw/mem/Makefile.objs
@@ -1 +1,2 @@
-common-obj-$(CONFIG_MEM_HOTPLUG) += dimm.o
+common-obj-$(CONFIG_DIMM) += dimm.o
+common-obj-$(CONFIG_MEM_HOTPLUG) += pc-dimm.o
diff --git a/hw/mem/dimm.c b/hw/mem/dimm.c
index 9f55cee..4a63409 100644
--- a/hw/mem/dimm.c
+++ b/hw/mem/dimm.c
@@ -1,5 +1,5 @@
/*
- * Dimm device for Memory Hotplug
+ * Dimm device abstraction
*
* Copyright ProfitBricks GmbH 2012
* Copyright (C) 2014 Red Hat Inc
@@ -429,21 +429,13 @@ static void dimm_realize(DeviceState *dev, Error **errp)
}
}
-static MemoryRegion *dimm_get_memory_region(DIMMDevice *dimm)
-{
- return host_memory_backend_get_memory(dimm->hostmem, &error_abort);
-}
-
static void dimm_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
- DIMMDeviceClass *ddc = DIMM_CLASS(oc);
dc->realize = dimm_realize;
dc->props = dimm_properties;
dc->desc = "DIMM memory module";
-
- ddc->get_memory_region = dimm_get_memory_region;
}
static TypeInfo dimm_info = {
@@ -453,6 +445,7 @@ static TypeInfo dimm_info = {
.instance_init = dimm_init,
.class_init = dimm_class_init,
.class_size = sizeof(DIMMDeviceClass),
+ .abstract = true,
};
static void dimm_register_types(void)
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
new file mode 100644
index 0000000..38323e9
--- /dev/null
+++ b/hw/mem/pc-dimm.c
@@ -0,0 +1,46 @@
+/*
+ * Dimm device for Memory Hotplug
+ *
+ * Copyright ProfitBricks GmbH 2012
+ * Copyright (C) 2014 Red Hat Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "hw/mem/pc-dimm.h"
+
+static MemoryRegion *pc_dimm_get_memory_region(DIMMDevice *dimm)
+{
+ return host_memory_backend_get_memory(dimm->hostmem, &error_abort);
+}
+
+static void pc_dimm_class_init(ObjectClass *oc, void *data)
+{
+ DIMMDeviceClass *ddc = DIMM_CLASS(oc);
+
+ ddc->get_memory_region = pc_dimm_get_memory_region;
+}
+
+static TypeInfo pc_dimm_info = {
+ .name = TYPE_PC_DIMM,
+ .parent = TYPE_DIMM,
+ .class_init = pc_dimm_class_init,
+};
+
+static void pc_dimm_register_types(void)
+{
+ type_register_static(&pc_dimm_info);
+}
+
+type_init(pc_dimm_register_types)
diff --git a/include/hw/mem/dimm.h b/include/hw/mem/dimm.h
index ece8786..50f768a 100644
--- a/include/hw/mem/dimm.h
+++ b/include/hw/mem/dimm.h
@@ -1,5 +1,5 @@
/*
- * PC DIMM device
+ * Dimm device abstraction
*
* Copyright ProfitBricks GmbH 2012
* Copyright (C) 2013-2014 Red Hat Inc
@@ -20,7 +20,7 @@
#include "sysemu/hostmem.h"
#include "hw/qdev.h"
-#define TYPE_DIMM "pc-dimm"
+#define TYPE_DIMM "dimm"
#define DIMM(obj) \
OBJECT_CHECK(DIMMDevice, (obj), TYPE_DIMM)
#define DIMM_CLASS(oc) \
diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h
new file mode 100644
index 0000000..50818c2
--- /dev/null
+++ b/include/hw/mem/pc-dimm.h
@@ -0,0 +1,7 @@
+#ifndef QEMU_PC_DIMM_H
+#define QEMU_PC_DIMM_H
+
+#include "hw/mem/dimm.h"
+
+#define TYPE_PC_DIMM "pc-dimm"
+#endif
--
1.8.3.1
