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