17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5b89a8333Snatalie li - Sun Microsystems - Irvine United States * Common Development and Distribution License (the "License"). 6b89a8333Snatalie li - Sun Microsystems - Irvine United States * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22bbaa8b60SDan Kruchinin * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 23bbaa8b60SDan Kruchinin */ 24bbaa8b60SDan Kruchinin /* 25b89a8333Snatalie li - Sun Microsystems - Irvine United States * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 26b89a8333Snatalie li - Sun Microsystems - Irvine United States * Use is subject to license terms. 277c478bd9Sstevel@tonic-gate */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #ifndef _SYS_SHARE_H 307c478bd9Sstevel@tonic-gate #define _SYS_SHARE_H 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <sys/types.h> 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #ifdef __cplusplus 357c478bd9Sstevel@tonic-gate extern "C" { 367c478bd9Sstevel@tonic-gate #endif 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate /* 397c478bd9Sstevel@tonic-gate * Maximum size of a shrlock owner. 407c478bd9Sstevel@tonic-gate * Must be large enough to handle a netobj. 417c478bd9Sstevel@tonic-gate */ 427c478bd9Sstevel@tonic-gate #define MAX_SHR_OWNER_LEN 1024 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate /* 457c478bd9Sstevel@tonic-gate * Contents of shrlock owner field for local share requests 467c478bd9Sstevel@tonic-gate */ 477c478bd9Sstevel@tonic-gate struct shr_locowner { 487c478bd9Sstevel@tonic-gate pid_t sl_pid; 497c478bd9Sstevel@tonic-gate int sl_id; 507c478bd9Sstevel@tonic-gate }; 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate struct shrlock { 537c478bd9Sstevel@tonic-gate short s_access; 547c478bd9Sstevel@tonic-gate short s_deny; 557c478bd9Sstevel@tonic-gate int32_t s_sysid; /* 0 if local otherwise passed by lm */ 567c478bd9Sstevel@tonic-gate pid_t s_pid; /* 0 if remote otherwise local pid */ 577c478bd9Sstevel@tonic-gate int s_own_len; /* if 0 and F_UNSHARE matching sysid */ 587c478bd9Sstevel@tonic-gate caddr_t s_owner; /* variable length opaque owner */ 597c478bd9Sstevel@tonic-gate }; 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate struct shrlocklist { 627c478bd9Sstevel@tonic-gate struct shrlock *shr; 637c478bd9Sstevel@tonic-gate struct shrlocklist *next; 647c478bd9Sstevel@tonic-gate }; 657c478bd9Sstevel@tonic-gate 66*8329232eSGordon Ross #if defined(_KERNEL) || defined(_FAKE_KERNEL) 677c478bd9Sstevel@tonic-gate struct flock64; 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate extern int add_share(struct vnode *, struct shrlock *); 707c478bd9Sstevel@tonic-gate extern int del_share(struct vnode *, struct shrlock *); 717c478bd9Sstevel@tonic-gate extern void cleanshares(struct vnode *, pid_t); 72bbaa8b60SDan Kruchinin extern void cleanshares_by_sysid(struct vnode *, int32_t); 737c478bd9Sstevel@tonic-gate extern int shr_has_remote_shares(vnode_t *, int32_t); 747c478bd9Sstevel@tonic-gate extern int proc_has_nbmand_share_on_vp(vnode_t *, pid_t); 757c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate #ifdef __cplusplus 787c478bd9Sstevel@tonic-gate } 797c478bd9Sstevel@tonic-gate #endif 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate #endif /* _SYS_SHARE_H */ 82