110b7e74bSVasilis Liaskovitis /* 210b7e74bSVasilis Liaskovitis * PC DIMM device 310b7e74bSVasilis Liaskovitis * 410b7e74bSVasilis Liaskovitis * Copyright ProfitBricks GmbH 2012 510b7e74bSVasilis Liaskovitis * Copyright (C) 2013-2014 Red Hat Inc 610b7e74bSVasilis Liaskovitis * 710b7e74bSVasilis Liaskovitis * Authors: 810b7e74bSVasilis Liaskovitis * Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com> 910b7e74bSVasilis Liaskovitis * Igor Mammedov <imammedo@redhat.com> 1010b7e74bSVasilis Liaskovitis * 1110b7e74bSVasilis Liaskovitis * This work is licensed under the terms of the GNU GPL, version 2 or later. 1210b7e74bSVasilis Liaskovitis * See the COPYING file in the top-level directory. 1310b7e74bSVasilis Liaskovitis * 1410b7e74bSVasilis Liaskovitis */ 1510b7e74bSVasilis Liaskovitis 1610b7e74bSVasilis Liaskovitis #ifndef QEMU_PC_DIMM_H 1710b7e74bSVasilis Liaskovitis #define QEMU_PC_DIMM_H 1810b7e74bSVasilis Liaskovitis 1910b7e74bSVasilis Liaskovitis #include "exec/memory.h" 20a27bd6c7SMarkus Armbruster #include "hw/qdev-core.h" 21db1015e9SEduardo Habkost #include "qom/object.h" 2210b7e74bSVasilis Liaskovitis 2310b7e74bSVasilis Liaskovitis #define TYPE_PC_DIMM "pc-dimm" 24c821774aSEduardo Habkost OBJECT_DECLARE_TYPE(PCDIMMDevice, PCDIMMDeviceClass, 2530b5707cSEduardo Habkost PC_DIMM) 2610b7e74bSVasilis Liaskovitis 2710b7e74bSVasilis Liaskovitis #define PC_DIMM_ADDR_PROP "addr" 2810b7e74bSVasilis Liaskovitis #define PC_DIMM_SLOT_PROP "slot" 2910b7e74bSVasilis Liaskovitis #define PC_DIMM_NODE_PROP "node" 3010b7e74bSVasilis Liaskovitis #define PC_DIMM_SIZE_PROP "size" 3110b7e74bSVasilis Liaskovitis #define PC_DIMM_MEMDEV_PROP "memdev" 3210b7e74bSVasilis Liaskovitis 3310b7e74bSVasilis Liaskovitis #define PC_DIMM_UNASSIGNED_SLOT -1 3410b7e74bSVasilis Liaskovitis 3510b7e74bSVasilis Liaskovitis /** 3610b7e74bSVasilis Liaskovitis * PCDIMMDevice: 3710b7e74bSVasilis Liaskovitis * @addr: starting guest physical address, where @PCDIMMDevice is mapped. 3810b7e74bSVasilis Liaskovitis * Default value: 0, means that address is auto-allocated. 3910b7e74bSVasilis Liaskovitis * @node: numa node to which @PCDIMMDevice is attached. 4010b7e74bSVasilis Liaskovitis * @slot: slot number into which @PCDIMMDevice is plugged in. 4110b7e74bSVasilis Liaskovitis * Default value: -1, means that slot is auto-allocated. 4210b7e74bSVasilis Liaskovitis * @hostmem: host memory backend providing memory for @PCDIMMDevice 4310b7e74bSVasilis Liaskovitis */ 44db1015e9SEduardo Habkost struct PCDIMMDevice { 4510b7e74bSVasilis Liaskovitis /* private */ 4610b7e74bSVasilis Liaskovitis DeviceState parent_obj; 4710b7e74bSVasilis Liaskovitis 4810b7e74bSVasilis Liaskovitis /* public */ 4910b7e74bSVasilis Liaskovitis uint64_t addr; 5010b7e74bSVasilis Liaskovitis uint32_t node; 5110b7e74bSVasilis Liaskovitis int32_t slot; 5210b7e74bSVasilis Liaskovitis HostMemoryBackend *hostmem; 53db1015e9SEduardo Habkost }; 5410b7e74bSVasilis Liaskovitis 5510b7e74bSVasilis Liaskovitis /** 5610b7e74bSVasilis Liaskovitis * PCDIMMDeviceClass: 579f318f8fSXiao Guangrong * @realize: called after common dimm is realized so that the dimm based 589f318f8fSXiao Guangrong * devices get the chance to do specified operations. 5910b7e74bSVasilis Liaskovitis */ 60db1015e9SEduardo Habkost struct PCDIMMDeviceClass { 6110b7e74bSVasilis Liaskovitis /* private */ 6210b7e74bSVasilis Liaskovitis DeviceClass parent_class; 6310b7e74bSVasilis Liaskovitis 6410b7e74bSVasilis Liaskovitis /* public */ 659f318f8fSXiao Guangrong void (*realize)(PCDIMMDevice *dimm, Error **errp); 66*3e35960bSShivaprasad G Bhat void (*unrealize)(PCDIMMDevice *dimm); 67db1015e9SEduardo Habkost }; 6810b7e74bSVasilis Liaskovitis 69fd3416f5SDavid Hildenbrand void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, 70b0e62443SDavid Hildenbrand const uint64_t *legacy_align, Error **errp); 7184fd5496SGreg Kurz void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine); 72fd3416f5SDavid Hildenbrand void pc_dimm_unplug(PCDIMMDevice *dimm, MachineState *machine); 7310b7e74bSVasilis Liaskovitis #endif 74