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/*
* QEMU PowerPC PAPR SCM backend definitions
*
* Copyright (c) 2020, IBM Corporation.
*
* This code is licensed under the GPL version 2 or later. See the
* COPYING file in the top-level directory.
*/
#ifndef HW_SPAPR_NVDIMM_H
#define HW_SPAPR_NVDIMM_H
#include "hw/mem/nvdimm.h"
#include "hw/ppc/spapr.h"
/*
* The nvdimm size should be aligned to SCM block size.
* The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE
* inorder to have SCM regions not to overlap with dimm memory regions.
* The SCM devices can have variable block sizes. For now, fixing the
* block size to the minimum value.
*/
#define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE
/* Have an explicit check for alignment */
QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE);
int spapr_pmem_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
void *fdt, int *fdt_start_offset, Error **errp);
void spapr_dt_persistent_memory(SpaprMachineState *spapr, void *fdt);
bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm,
uint64_t size, Error **errp);
void spapr_add_nvdimm(DeviceState *dev, uint64_t slot);
#endif
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