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 2004 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 #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/types.h> 30*0Sstevel@tonic-gate #include <sys/t_lock.h> 31*0Sstevel@tonic-gate #include <sys/param.h> 32*0Sstevel@tonic-gate #include <sys/systm.h> 33*0Sstevel@tonic-gate #include <sys/buf.h> 34*0Sstevel@tonic-gate #include <sys/cmn_err.h> 35*0Sstevel@tonic-gate #include <sys/debug.h> 36*0Sstevel@tonic-gate #include <sys/errno.h> 37*0Sstevel@tonic-gate #include <sys/vfs.h> 38*0Sstevel@tonic-gate #include <sys/swap.h> 39*0Sstevel@tonic-gate #include <sys/vnode.h> 40*0Sstevel@tonic-gate #include <sys/cred.h> 41*0Sstevel@tonic-gate #include <sys/thread.h> 42*0Sstevel@tonic-gate #include <sys/zone.h> 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate #include <fs/fs_subr.h> 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate #include <sys/stream.h> 47*0Sstevel@tonic-gate #include <sys/socket.h> 48*0Sstevel@tonic-gate #include <sys/stropts.h> 49*0Sstevel@tonic-gate #include <sys/socketvar.h> 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* 52*0Sstevel@tonic-gate * This is the loadable module wrapper. 53*0Sstevel@tonic-gate */ 54*0Sstevel@tonic-gate #include <sys/modctl.h> 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate static zone_key_t sockfs_zone_key; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate static vfsdef_t vfw = { 59*0Sstevel@tonic-gate VFSDEF_VERSION, 60*0Sstevel@tonic-gate "sockfs", 61*0Sstevel@tonic-gate sockinit, 62*0Sstevel@tonic-gate 0, 63*0Sstevel@tonic-gate NULL 64*0Sstevel@tonic-gate }; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate extern struct mod_ops mod_fsops; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate /* 69*0Sstevel@tonic-gate * Module linkage information for the kernel. 70*0Sstevel@tonic-gate */ 71*0Sstevel@tonic-gate static struct modlfs modlfs = { 72*0Sstevel@tonic-gate &mod_fsops, "filesystem for sockfs", &vfw 73*0Sstevel@tonic-gate }; 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate static struct modlinkage modlinkage = { 76*0Sstevel@tonic-gate MODREV_1, (void *)&modlfs, NULL 77*0Sstevel@tonic-gate }; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate int 80*0Sstevel@tonic-gate _init(void) 81*0Sstevel@tonic-gate { 82*0Sstevel@tonic-gate int ret; 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate /* 85*0Sstevel@tonic-gate * We want to be informed each time a zone is created or 86*0Sstevel@tonic-gate * destroyed in the kernel, so we can maintain per-zone 87*0Sstevel@tonic-gate * kstat. sock_kstat_init() will also be called for the 88*0Sstevel@tonic-gate * global zone, without us having to special case it here. 89*0Sstevel@tonic-gate */ 90*0Sstevel@tonic-gate zone_key_create(&sockfs_zone_key, 91*0Sstevel@tonic-gate sock_kstat_init, NULL, sock_kstat_fini); 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate if ((ret = mod_install(&modlinkage)) != 0) { 94*0Sstevel@tonic-gate (void) zone_key_delete(sockfs_zone_key); 95*0Sstevel@tonic-gate } 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate return (ret); 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate int 101*0Sstevel@tonic-gate _info(struct modinfo *modinfop) 102*0Sstevel@tonic-gate { 103*0Sstevel@tonic-gate return (mod_info(&modlinkage, modinfop)); 104*0Sstevel@tonic-gate } 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate int 107*0Sstevel@tonic-gate _fini(void) 108*0Sstevel@tonic-gate { 109*0Sstevel@tonic-gate /* zone_key_delete(sockfs_zone_key); - if we were ever to be unloaded */ 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate return (EBUSY); 112*0Sstevel@tonic-gate } 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate /* 115*0Sstevel@tonic-gate * N.B. 116*0Sstevel@tonic-gate * No _fini routine. This module cannot be unloaded once loaded. 117*0Sstevel@tonic-gate * The NO_UNLOAD_STUB in modstub.s must change if this module ever 118*0Sstevel@tonic-gate * is modified to become unloadable. 119*0Sstevel@tonic-gate */ 120