1 /* 2 * Copyright (c) 2011-2018 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@dragonflybsd.org> 6 * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 3. Neither the name of The DragonFly Project nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific, prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef _VFS_HAMMER2_IOCTL_H_ 37 #define _VFS_HAMMER2_IOCTL_H_ 38 39 #ifndef _SYS_IOCCOM_H_ 40 #include <sys/ioccom.h> 41 #endif 42 #ifndef _VFS_HAMMER2_DISK_H_ 43 #include "hammer2_disk.h" 44 #endif 45 #ifndef _VFS_HAMMER2_MOUNT_H_ 46 #include "hammer2_mount.h" 47 #endif 48 49 /* 50 * get_version 51 */ 52 struct hammer2_ioc_version { 53 int version; 54 char reserved[256 - 4]; 55 }; 56 57 typedef struct hammer2_ioc_version hammer2_ioc_version_t; 58 59 struct hammer2_ioc_recluster { 60 int fd; 61 char reserved[256 - 4]; 62 }; 63 64 typedef struct hammer2_ioc_recluster hammer2_ioc_recluster_t; 65 66 /* 67 * Ioctls to manage the volume->copyinfo[] array and to associate or 68 * disassociate sockets 69 */ 70 struct hammer2_ioc_remote { 71 int copyid; 72 int nextid; /* for iteration (get only) */ 73 int fd; /* socket descriptor if applicable */ 74 int reserved03; 75 int reserved04[8]; 76 hammer2_volconf_t copy1; /* copy spec */ 77 hammer2_volconf_t copy2; /* copy spec (rename ops only) */ 78 }; 79 80 typedef struct hammer2_ioc_remote hammer2_ioc_remote_t; 81 82 /* 83 * Ioctls to manage PFSs 84 * 85 * PFSs can be clustered by matching their pfs_clid, and the PFSs making up 86 * a cluster can be uniquely identified by combining the vol_id with 87 * the pfs_clid. 88 */ 89 struct hammer2_ioc_pfs { 90 hammer2_key_t name_key; /* super-root directory scan */ 91 hammer2_key_t name_next; /* (GET only) */ 92 uint8_t pfs_type; /* e.g. MASTER, SLAVE, ... */ 93 uint8_t pfs_subtype; /* e.g. SNAPSHOT */ 94 uint8_t reserved0012; 95 uint8_t reserved0013; 96 uint32_t pfs_flags; 97 uint64_t reserved0018; 98 uuid_t pfs_fsid; /* identifies PFS instance */ 99 uuid_t pfs_clid; /* identifies PFS cluster */ 100 char name[NAME_MAX+1]; /* device@name mtpt */ 101 }; 102 103 typedef struct hammer2_ioc_pfs hammer2_ioc_pfs_t; 104 105 #define HAMMER2_PFSFLAGS_NOSYNC 0x00000001 106 107 /* 108 * Ioctls to manage inodes 109 */ 110 struct hammer2_ioc_inode { 111 uint32_t flags; 112 void *kdata; 113 hammer2_key_t data_count; 114 hammer2_key_t inode_count; 115 hammer2_inode_data_t ip_data; 116 }; 117 118 typedef struct hammer2_ioc_inode hammer2_ioc_inode_t; 119 120 #define HAMMER2IOC_INODE_FLAG_IQUOTA 0x00000001 121 #define HAMMER2IOC_INODE_FLAG_DQUOTA 0x00000002 122 #define HAMMER2IOC_INODE_FLAG_COPIES 0x00000004 123 #define HAMMER2IOC_INODE_FLAG_CHECK 0x00000008 124 #define HAMMER2IOC_INODE_FLAG_COMP 0x00000010 125 126 /* 127 * Ioctl for bulkfree scan 128 */ 129 struct hammer2_ioc_bulkfree { 130 hammer2_off_t sbase; /* starting storage offset */ 131 hammer2_off_t sstop; /* (set on return) */ 132 size_t size; /* swapable kernel memory to use */ 133 hammer2_off_t count_allocated; /* alloc fixups this run */ 134 hammer2_off_t count_freed; /* bytes freed this run */ 135 hammer2_off_t total_fragmented; /* merged result */ 136 hammer2_off_t total_allocated; /* merged result */ 137 hammer2_off_t total_scanned; /* bytes of storage */ 138 }; 139 140 typedef struct hammer2_ioc_bulkfree hammer2_ioc_bulkfree_t; 141 142 /* 143 * Unconditionally delete a hammer2 directory entry or inode number 144 */ 145 struct hammer2_ioc_destroy { 146 enum { HAMMER2_DELETE_NOP, 147 HAMMER2_DELETE_FILE, 148 HAMMER2_DELETE_INUM } cmd; 149 char path[HAMMER2_INODE_MAXNAME]; 150 hammer2_key_t inum; 151 }; 152 153 typedef struct hammer2_ioc_destroy hammer2_ioc_destroy_t; 154 155 /* 156 * Ioctl list 157 */ 158 159 #define HAMMER2IOC_VERSION_GET _IOWR('h', 64, struct hammer2_ioc_version) 160 #define HAMMER2IOC_RECLUSTER _IOWR('h', 65, struct hammer2_ioc_recluster) 161 162 #define HAMMER2IOC_REMOTE_SCAN _IOWR('h', 68, struct hammer2_ioc_remote) 163 #define HAMMER2IOC_REMOTE_ADD _IOWR('h', 69, struct hammer2_ioc_remote) 164 #define HAMMER2IOC_REMOTE_DEL _IOWR('h', 70, struct hammer2_ioc_remote) 165 #define HAMMER2IOC_REMOTE_REP _IOWR('h', 71, struct hammer2_ioc_remote) 166 167 #define HAMMER2IOC_SOCKET_GET _IOWR('h', 76, struct hammer2_ioc_remote) 168 #define HAMMER2IOC_SOCKET_SET _IOWR('h', 77, struct hammer2_ioc_remote) 169 170 #define HAMMER2IOC_PFS_GET _IOWR('h', 80, struct hammer2_ioc_pfs) 171 #define HAMMER2IOC_PFS_CREATE _IOWR('h', 81, struct hammer2_ioc_pfs) 172 #define HAMMER2IOC_PFS_DELETE _IOWR('h', 82, struct hammer2_ioc_pfs) 173 #define HAMMER2IOC_PFS_LOOKUP _IOWR('h', 83, struct hammer2_ioc_pfs) 174 #define HAMMER2IOC_PFS_SNAPSHOT _IOWR('h', 84, struct hammer2_ioc_pfs) 175 176 #define HAMMER2IOC_INODE_GET _IOWR('h', 86, struct hammer2_ioc_inode) 177 #define HAMMER2IOC_INODE_SET _IOWR('h', 87, struct hammer2_ioc_inode) 178 179 /*#define HAMMER2IOC_INODE_COMP_SET _IOWR('h', 88, struct hammer2_ioc_inode) //set compression mode on inode 180 #define HAMMER2IOC_INODE_COMP_REC_SET _IOWR('h', 89, struct hammer2_ioc_inode) 181 #define HAMMER2IOC_INODE_COMP_REC_SET2 _IOWR('h', 90, struct hammer2_ioc_inode)*/ 182 #define HAMMER2IOC_DEBUG_DUMP _IOWR('h', 91, int) 183 #define HAMMER2IOC_BULKFREE_SCAN _IOWR('h', 92, struct hammer2_ioc_bulkfree) 184 #define HAMMER2IOC_BULKFREE_ASYNC _IOWR('h', 93, struct hammer2_ioc_bulkfree) 185 186 /* 187 * Delete a directory entry or inode number unconditionally. 188 */ 189 #define HAMMER2IOC_DESTROY _IOWR('h', 94, struct hammer2_ioc_destroy) 190 191 #endif /* !_VFS_HAMMER2_IOCTL_H_ */ 192