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      1 /* $NetBSD: acpi_srat.h,v 1.5 2019/12/27 12:51:57 ad Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christoph Egger.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _SYS_DEV_ACPI_ACPI_SRAT_H
     33 #define _SYS_DEV_ACPI_ACPI_SRAT_H
     34 
     35 typedef uint32_t acpisrat_nodeid_t;
     36 
     37 struct acpisrat_cpu {
     38 	acpisrat_nodeid_t nodeid;
     39 	uint32_t apicid;
     40 	uint32_t sapiceid;
     41 	uint32_t flags;
     42 
     43 	/*
     44 	 * clockdomain has a meaningful value when the ACPI MADT table has
     45 	 * ACPI_MADT_TYPE_LOCAL_X2APIC and/or ACPI_MADT_TYPE_LOCAL_X2APIC_NMI
     46 	 * entries or ACPI CPU device have a _CDM.
     47 	 */
     48 	uint32_t clockdomain;
     49 };
     50 
     51 struct acpisrat_mem {
     52 	acpisrat_nodeid_t nodeid;
     53 	uint64_t baseaddress;
     54 	uint64_t length;
     55 	uint32_t flags;
     56 };
     57 
     58 struct acpisrat_node {
     59 	acpisrat_nodeid_t nodeid; /* Proximity domain */
     60 	uint32_t ncpus; /* Number of cpus in this node */
     61 	struct acpisrat_cpu **cpu; /* Array of cpus */
     62 	uint32_t nmems; /* Number of memory ranges in this node */
     63 	struct acpisrat_mem **mem; /* Array of memory ranges */
     64 };
     65 
     66 bool acpisrat_exist(void);
     67 int acpisrat_init(void);
     68 int acpisrat_refresh(void);
     69 int acpisrat_exit(void);
     70 void acpisrat_dump(void);
     71 void acpisrat_load_uvm(void);
     72 uint32_t acpisrat_nodes(void);
     73 uint32_t acpisrat_node_cpus(acpisrat_nodeid_t);
     74 uint32_t acpisrat_node_memoryranges(acpisrat_nodeid_t);
     75 void acpisrat_cpu(acpisrat_nodeid_t, uint32_t, struct acpisrat_cpu *);
     76 void acpisrat_mem(acpisrat_nodeid_t, uint32_t, struct acpisrat_mem *);
     77 struct acpisrat_node *acpisrat_get_node(uint32_t);
     78 
     79 #endif	/* !_SYS_DEV_ACPI_ACPI_SRAT_H */
     80