/* * NVDIMM Firmware Interface Table - NFIT * * Copyright(c) 2013-2015 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program 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 * General Public License for more details. */ #ifndef __NFIT_H__ #define __NFIT_H__ #include #include #include #include #include #define UUID_NFIT_BUS "2f10e7a4-9e91-11e4-89d3-123b93f75cba" #define UUID_NFIT_DIMM "4309ac30-0d11-11e4-9191-0800200c9a66" enum nfit_uuids { NFIT_SPA_VOLATILE, NFIT_SPA_PM, NFIT_SPA_DCR, NFIT_SPA_BDW, NFIT_SPA_VDISK, NFIT_SPA_VCD, NFIT_SPA_PDISK, NFIT_SPA_PCD, NFIT_DEV_BUS, NFIT_DEV_DIMM, NFIT_UUID_MAX, }; struct nfit_spa { struct acpi_nfit_system_address *spa; struct list_head list; }; struct nfit_dcr { struct acpi_nfit_control_region *dcr; struct list_head list; }; struct nfit_bdw { struct acpi_nfit_data_region *bdw; struct list_head list; }; struct nfit_memdev { struct acpi_nfit_memory_map *memdev; struct list_head list; }; /* assembled tables for a given dimm/memory-device */ struct nfit_mem { struct nvdimm *nvdimm; struct acpi_nfit_memory_map *memdev_dcr; struct acpi_nfit_memory_map *memdev_pmem; struct acpi_nfit_control_region *dcr; struct acpi_nfit_data_region *bdw; struct acpi_nfit_system_address *spa_dcr; struct acpi_nfit_system_address *spa_bdw; struct list_head list; }; struct acpi_nfit_desc { struct nvdimm_bus_descriptor nd_desc; struct acpi_table_nfit *nfit; struct list_head memdevs; struct list_head dimms; struct list_head spas; struct list_head dcrs; struct list_head bdws; struct nvdimm_bus *nvdimm_bus; struct device *dev; }; static inline struct acpi_nfit_memory_map *__to_nfit_memdev( struct nfit_mem *nfit_mem) { if (nfit_mem->memdev_dcr) return nfit_mem->memdev_dcr; return nfit_mem->memdev_pmem; } static inline struct acpi_nfit_desc *to_acpi_desc( struct nvdimm_bus_descriptor *nd_desc) { return container_of(nd_desc, struct acpi_nfit_desc, nd_desc); } #endif /* __NFIT_H__ */