1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2017, Intel Corporation. All rights reserved. 23 * Copyright 2019 Joyent, Inc. 24 */ 25 26 #ifndef _SYS_ZFS_PROJECT_H 27 #define _SYS_ZFS_PROJECT_H 28 29 #ifndef _KERNEL 30 #ifndef _SYS_MOUNT_H 31 /* XXX: some hack to avoid include sys/mount.h */ 32 #define _SYS_MOUNT_H 33 #endif 34 #endif 35 36 #ifdef FS_PROJINHERIT_FL 37 #define ZFS_PROJINHERIT_FL FS_PROJINHERIT_FL 38 #else 39 #define ZFS_PROJINHERIT_FL 0x20000000 40 #endif 41 42 #ifdef FS_IOC_FSGETXATTR 43 typedef struct fsxattr zfsxattr_t; 44 45 #define ZFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 46 #define ZFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 47 #else 48 #include <sys/ioccom.h> 49 typedef struct zfsxattr { 50 uint32_t fsx_xflags; /* xflags field value (get/set) */ 51 uint32_t fsx_projid; /* project identifier (get/set) */ 52 } zfsxattr_t; 53 54 #define ZFS_IOC_FSGETXATTR _IOR('X', 31, zfsxattr_t) 55 #define ZFS_IOC_FSSETXATTR _IOW('X', 32, zfsxattr_t) 56 #endif 57 58 #define ZFS_DEFAULT_PROJID (0ULL) 59 /* 60 * It is NOT ondisk project ID value. Just means either the object has 61 * no project ID or the operation does not touch project ID attribute. 62 */ 63 #define ZFS_INVALID_PROJID (-1ULL) 64 65 static inline boolean_t 66 zpl_is_valid_projid(uint32_t projid) 67 { 68 /* 69 * zfsxattr::fsx_projid is 32-bits, when convert to uint64_t, 70 * the higher 32-bits will be set as zero, so cannot directly 71 * compare with ZFS_INVALID_PROJID (-1ULL) 72 */ 73 if ((uint32_t)ZFS_INVALID_PROJID == projid) 74 return (B_FALSE); 75 return (B_TRUE); 76 } 77 78 #endif /* _SYS_ZFS_PROJECT_H */ 79