1 /*- 2 * Copyright (c) 2017 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 6 * under sponsorship from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef __DEV_NVDIMM_VAR_H__ 33 #define __DEV_NVDIMM_VAR_H__ 34 35 typedef uint32_t nfit_handle_t; 36 37 struct nvdimm_dev { 38 device_t nv_dev; 39 nfit_handle_t nv_handle; 40 uint64_t **nv_flush_addr; 41 int nv_flush_addr_cnt; 42 int nv_devs_idx; 43 }; 44 45 enum SPA_mapping_type { 46 SPA_TYPE_VOLATILE_MEMORY = 0, 47 SPA_TYPE_PERSISTENT_MEMORY = 1, 48 SPA_TYPE_CONTROL_REGION = 2, 49 SPA_TYPE_DATA_REGION = 3, 50 SPA_TYPE_VOLATILE_VIRTUAL_DISK = 4, 51 SPA_TYPE_VOLATILE_VIRTUAL_CD = 5, 52 SPA_TYPE_PERSISTENT_VIRTUAL_DISK= 6, 53 SPA_TYPE_PERSISTENT_VIRTUAL_CD = 7, 54 }; 55 56 struct SPA_mapping { 57 enum SPA_mapping_type spa_type; 58 int spa_domain; 59 int spa_nfit_idx; 60 uint64_t spa_phys_base; 61 uint64_t spa_len; 62 uint64_t spa_efi_mem_flags; 63 void *spa_kva; 64 struct cdev *spa_dev; 65 struct g_geom *spa_g; 66 struct g_provider *spa_p; 67 struct bio_queue_head spa_g_queue; 68 struct mtx spa_g_mtx; 69 struct mtx spa_g_stat_mtx; 70 struct devstat *spa_g_devstat; 71 struct proc *spa_g_proc; 72 struct vm_object *spa_obj; 73 bool spa_g_proc_run; 74 bool spa_g_proc_exiting; 75 }; 76 77 struct nvdimm_ns_walk_ctx { 78 ACPI_STATUS (*func)(ACPI_HANDLE, void *); 79 void *arg; 80 }; 81 82 extern struct SPA_mapping *spa_mappings; 83 extern int spa_mappings_cnt; 84 85 MALLOC_DECLARE(M_NVDIMM); 86 87 struct nvdimm_dev *nvdimm_find_by_handle(nfit_handle_t nv_handle); 88 int nvdimm_iterate_nfit(ACPI_TABLE_NFIT *nfitbl, enum AcpiNfitType type, 89 int (*cb)(void *, void *), void *arg); 90 91 #endif /* __DEV_NVDIMM_VAR_H__ */ 92