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nvdimm: implement NVDIMM device abstract

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Introduce "nvdimm" device which is based on pc-dimm device type

Currently, nothing is specific for nvdimm but hotplug is disabled

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xiao Guangrong 2015-12-02 15:20:56 +08:00 • committed by Michael S. Tsirkin
parent 40c520418b
commit 5c42eef243
6 changed files with 83 additions and 0 deletions
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1
hw/mem/Makefile.objs
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@ -1 +1,2 @@
common-obj-$(CONFIG_MEM_HOTPLUG) += pc-dimm.o
common-obj-$(CONFIG_NVDIMM) += nvdimm.o

46
hw/mem/nvdimm.c Normal file
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@ -0,0 +1,46 @@
/*
* Non-Volatile Dual In-line Memory Module Virtualization Implementation
*
* Copyright(C) 2015 Intel Corporation.
*
* Author:
* Xiao Guangrong <guangrong.xiao@linux.intel.com>
*
* Currently, it only supports PMEM Virtualization.
*
* 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/nvdimm.h"
static void nvdimm_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
/* nvdimm hotplug has not been supported yet. */
dc->hotpluggable = false;
}
static TypeInfo nvdimm_info = {
.name = TYPE_NVDIMM,
.parent = TYPE_PC_DIMM,
.class_init = nvdimm_class_init,
};
static void nvdimm_register_types(void)
{
type_register_static(&nvdimm_info);
}
type_init(nvdimm_register_types)