/*- * Copyright (c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/bio.h> #include <sys/bus.h> #include <sys/malloc.h> #include <sys/uuid.h> #include <contrib/dev/acpica/include/acpi.h> #include <dev/acpica/acpivar.h> #include <dev/nvdimm/nvdimm_var.h> int nvdimm_create_namespaces(struct SPA_mapping *spa, ACPI_TABLE_NFIT *nfitbl) { ACPI_NFIT_MEMORY_MAP **regions; struct nvdimm_dev *nv; struct nvdimm_label_entry *e; struct nvdimm_namespace *ns; nfit_handle_t dimm_handle; char *name; int i, error, num_regions; acpi_nfit_get_region_mappings_by_spa_range(nfitbl, spa->spa_nfit_idx, ®ions, &num_regions); if (num_regions == 0 || num_regions != regions[0]->InterleaveWays) { free(regions, M_NVDIMM); return (ENXIO); } dimm_handle = regions[0]->DeviceHandle; nv = nvdimm_find_by_handle(dimm_handle); if (nv == NULL) { free(regions, M_NVDIMM); return (ENXIO); } i = 0; error = 0; SLIST_FOREACH(e, &nv->labels, link) { ns = malloc(sizeof(struct nvdimm_namespace), M_NVDIMM, M_WAITOK | M_ZERO); ns->dev.spa_domain = spa->dev.spa_domain; ns->dev.spa_phys_base = spa->dev.spa_phys_base + regions[0]->RegionOffset + num_regions * (e->label.dimm_phys_addr - regions[0]->Address); ns->dev.spa_len = num_regions * e->label.raw_size; ns->dev.spa_efi_mem_flags = spa->dev.spa_efi_mem_flags; ns->dev.spa_memattr = spa->dev.spa_memattr; asprintf(&name, M_NVDIMM, "spa%dns%d", spa->spa_nfit_idx, i); error = nvdimm_spa_dev_init(&ns->dev, name, i); free(name, M_NVDIMM); if (error != 0) break; SLIST_INSERT_HEAD(&spa->namespaces, ns, link); i++; } free(regions, M_NVDIMM); return (error); } void nvdimm_destroy_namespaces(struct SPA_mapping *spa) { struct nvdimm_namespace *ns, *next; SLIST_FOREACH_SAFE(ns, &spa->namespaces, link, next) { SLIST_REMOVE_HEAD(&spa->namespaces, link); nvdimm_spa_dev_fini(&ns->dev); free(ns, M_NVDIMM); } } |