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 2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _XHAT_SFMMU_H 28*0Sstevel@tonic-gate #define _XHAT_SFMMU_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #ifdef __cplusplus 35*0Sstevel@tonic-gate extern "C" { 36*0Sstevel@tonic-gate #endif 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifndef _ASM 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #include <sys/types.h> 41*0Sstevel@tonic-gate #include <sys/sysmacros.h> 42*0Sstevel@tonic-gate #include <vm/hat_sfmmu.h> 43*0Sstevel@tonic-gate #include <vm/page.h> 44*0Sstevel@tonic-gate #include <vm/xhat.h> 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate struct xhat; 47*0Sstevel@tonic-gate struct xhat_hme_blk; 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate /* 51*0Sstevel@tonic-gate * Pads to align xhat_hme_blk's xhat_hme_blk_misc 52*0Sstevel@tonic-gate * and with xblk_hme with corresponding fields in 53*0Sstevel@tonic-gate * those of hme_blk. 54*0Sstevel@tonic-gate */ 55*0Sstevel@tonic-gate #define XHAT_PADHI (offsetof(struct hme_blk, hblk_misc) - \ 56*0Sstevel@tonic-gate sizeof (struct xhat *)) 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate #define XHAT_PADLO (offsetof(struct hme_blk, hblk_hme[0]) - \ 59*0Sstevel@tonic-gate (offsetof(struct hme_blk, hblk_misc) + \ 60*0Sstevel@tonic-gate sizeof (struct hme_blk_misc))) 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate /* 63*0Sstevel@tonic-gate * This (or, rather, xblk_hme[] member of the structure) is 64*0Sstevel@tonic-gate * what gets put on page's p_mappings list. 65*0Sstevel@tonic-gate */ 66*0Sstevel@tonic-gate struct xhat_hme_blk { 67*0Sstevel@tonic-gate struct xhat *xhat_hme_blk_hat; 68*0Sstevel@tonic-gate char xblk_pad1[XHAT_PADHI]; 69*0Sstevel@tonic-gate struct hme_blk_misc xhat_hme_blk_misc; 70*0Sstevel@tonic-gate char xblk_pad2[XHAT_PADLO]; 71*0Sstevel@tonic-gate struct sf_hment xblk_hme[1]; 72*0Sstevel@tonic-gate }; 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* 75*0Sstevel@tonic-gate * Convert pointers between xhat_hme_blk and provider's 76*0Sstevel@tonic-gate * block (these two blocks are always allocated adjacent to 77*0Sstevel@tonic-gate * each other). 78*0Sstevel@tonic-gate */ 79*0Sstevel@tonic-gate #define XBLK2PROVBLK(xblk) ((void *)(((struct xhat_hme_blk *)(xblk)) + 1)) 80*0Sstevel@tonic-gate #define PROVBLK2XBLK(pblk) (((struct xhat_hme_blk *)(pblk)) - 1) 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate void xhat_xblkcache_reclaim(void *); 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate #endif /* _ASM */ 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate #ifdef __cplusplus 91*0Sstevel@tonic-gate } 92*0Sstevel@tonic-gate #endif 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate #endif /* _XHAT_SFMMU_H */ 95