block/export: Add query-block-exports
[qemu.git] / include / hw / ppc / spapr_nvdimm.h
1 /*
2 * QEMU PowerPC PAPR SCM backend definitions
3 *
4 * Copyright (c) 2020, IBM Corporation.
5 *
6 * This code is licensed under the GPL version 2 or later. See the
7 * COPYING file in the top-level directory.
8 */
9
10 #ifndef HW_SPAPR_NVDIMM_H
11 #define HW_SPAPR_NVDIMM_H
12
13 #include "hw/mem/nvdimm.h"
14 #include "hw/ppc/spapr.h"
15
16 /*
17 * The nvdimm size should be aligned to SCM block size.
18 * The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE
19 * inorder to have SCM regions not to overlap with dimm memory regions.
20 * The SCM devices can have variable block sizes. For now, fixing the
21 * block size to the minimum value.
22 */
23 #define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE
24
25 /* Have an explicit check for alignment */
26 QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE);
27
28 int spapr_pmem_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
29 void *fdt, int *fdt_start_offset, Error **errp);
30 void spapr_dt_persistent_memory(SpaprMachineState *spapr, void *fdt);
31 void spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm,
32 uint64_t size, Error **errp);
33 void spapr_add_nvdimm(DeviceState *dev, uint64_t slot, Error **errp);
34 void spapr_create_nvdimm_dr_connectors(SpaprMachineState *spapr);
35
36 #endif