1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1991-1998 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_MEMLIST_H 28*0Sstevel@tonic-gate #define _SYS_MEMLIST_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SunOS-4.0 1.7 */ 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate /* 33*0Sstevel@tonic-gate * Common memlist format, exported by boot. 34*0Sstevel@tonic-gate */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/types.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifdef __cplusplus 39*0Sstevel@tonic-gate extern "C" { 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * Boot programs of version 4 and greater pass a linked list 44*0Sstevel@tonic-gate * of struct memlist to the kernel. 45*0Sstevel@tonic-gate */ 46*0Sstevel@tonic-gate struct memlist { 47*0Sstevel@tonic-gate uint64_t address; /* starting address of memory segment */ 48*0Sstevel@tonic-gate uint64_t size; /* size of same */ 49*0Sstevel@tonic-gate struct memlist *next; /* link to next list element */ 50*0Sstevel@tonic-gate struct memlist *prev; /* link to previous list element */ 51*0Sstevel@tonic-gate }; 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate extern int address_in_memlist(struct memlist *, uint64_t, size_t); 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate /* 56*0Sstevel@tonic-gate * phys_install is the pointer to the physical installed memory list 57*0Sstevel@tonic-gate * which may change when memory is added or deleted. The functions 58*0Sstevel@tonic-gate * memlist_read_lock() and memlist_read_unlock() should be used 59*0Sstevel@tonic-gate * to protect reading this list. 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate extern struct memlist *phys_install; 62*0Sstevel@tonic-gate extern void memlist_read_lock(void); 63*0Sstevel@tonic-gate extern void memlist_read_unlock(void); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #ifdef __cplusplus 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate #endif 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate #endif /* _SYS_MEMLIST_H */ 70