| 1 | /* $NetBSD: quota.h,v 1.12 2012/01/30 00:56:19 dholland Exp $ */ |
| 2 | /*- |
| 3 | * Copyright (c) 2010 Manuel Bouyer |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 16 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 17 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 18 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 19 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 25 | * POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef _SYS_QUOTA_H_ |
| 29 | #define _SYS_QUOTA_H_ |
| 30 | |
| 31 | #include <sys/types.h> |
| 32 | |
| 33 | /* quota id types (entities being billed) */ |
| 34 | #define QUOTA_IDTYPE_USER 0 |
| 35 | #define QUOTA_IDTYPE_GROUP 1 |
| 36 | |
| 37 | /* quota object types (things being limited) */ |
| 38 | #define QUOTA_OBJTYPE_BLOCKS 0 |
| 39 | #define QUOTA_OBJTYPE_FILES 1 |
| 40 | |
| 41 | /* id value for "default" */ |
| 42 | #define QUOTA_DEFAULTID ((id_t)-1) |
| 43 | |
| 44 | /* limit value for "no limit" */ |
| 45 | #define QUOTA_NOLIMIT ((uint64_t)0xffffffffffffffffULL) |
| 46 | |
| 47 | /* time value for "no time" */ |
| 48 | #define QUOTA_NOTIME ((time_t)-1) |
| 49 | |
| 50 | /* |
| 51 | * Semantic restrictions. These are hints applications can use |
| 52 | * to help produce comprehensible error diagnostics when something |
| 53 | * unsupported is attempted. |
| 54 | */ |
| 55 | #define QUOTA_RESTRICT_NEEDSQUOTACHECK 0x1 /* quotacheck(8) required */ |
| 56 | #define QUOTA_RESTRICT_UNIFORMGRACE 0x2 /* grace time is global */ |
| 57 | #define QUOTA_RESTRICT_32BIT 0x4 /* values limited to 2^32 */ |
| 58 | #define QUOTA_RESTRICT_READONLY 0x8 /* updates not supported */ |
| 59 | |
| 60 | |
| 61 | /* |
| 62 | * Structure used to describe the key part of a quota record. |
| 63 | */ |
| 64 | struct quotakey { |
| 65 | int qk_idtype; /* type of id (user, group, etc.) */ |
| 66 | id_t qk_id; /* actual id number */ |
| 67 | int qk_objtype; /* type of fs object (blocks, files, etc.) */ |
| 68 | }; |
| 69 | |
| 70 | /* |
| 71 | * Structure used to describe the value part of a quota record. |
| 72 | */ |
| 73 | struct quotaval { |
| 74 | uint64_t qv_hardlimit; /* absolute limit */ |
| 75 | uint64_t qv_softlimit; /* overflowable limit */ |
| 76 | uint64_t qv_usage; /* current usage */ |
| 77 | time_t qv_expiretime; /* time when softlimit grace expires */ |
| 78 | time_t qv_grace; /* allowed time for overflowing soft limit */ |
| 79 | }; |
| 80 | |
| 81 | #endif /* _SYS_QUOTA_H_ */ |
| 82 | |