Print this page
2882 implement libzfs_core
2883 changing "canmount" property to "on" should not always remount dataset
2900 "zfs snapshot" should be able to create multiple, arbitrary snapshots at once
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Chris Siden <christopher.siden@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Bill Pijewski <wdp@joyent.com>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
| Split |
Close |
| Expand all |
| Collapse all |
--- old/usr/src/uts/common/fs/zfs/sys/zfs_ioctl.h
+++ new/usr/src/uts/common/fs/zfs/sys/zfs_ioctl.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
|
↓ open down ↓ |
12 lines elided |
↑ open up ↑ |
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 + * Copyright (c) 2012 by Delphix. All rights reserved.
23 24 */
24 25
25 26 #ifndef _SYS_ZFS_IOCTL_H
26 27 #define _SYS_ZFS_IOCTL_H
27 28
28 29 #include <sys/cred.h>
29 30 #include <sys/dmu.h>
30 31 #include <sys/zio.h>
31 32 #include <sys/dsl_deleg.h>
32 33 #include <sys/spa.h>
33 34 #include <sys/zfs_stat.h>
|
↓ open down ↓ |
1 lines elided |
↑ open up ↑ |
34 35
35 36 #ifdef _KERNEL
36 37 #include <sys/nvpair.h>
37 38 #endif /* _KERNEL */
38 39
39 40 #ifdef __cplusplus
40 41 extern "C" {
41 42 #endif
42 43
43 44 /*
45 + * The structures in this file are passed between userland and the
46 + * kernel. Userland may be running a 32-bit process, while the kernel
47 + * is 64-bit. Therefore, these structures need to compile the same in
48 + * 32-bit and 64-bit. This means not using type "long", and adding
49 + * explicit padding so that the 32-bit structure will not be packed more
50 + * tightly than the 64-bit structure (which requires 64-bit alignment).
51 + */
52 +
53 +/*
44 54 * Property values for snapdir
45 55 */
46 56 #define ZFS_SNAPDIR_HIDDEN 0
47 57 #define ZFS_SNAPDIR_VISIBLE 1
48 58
49 59 /*
50 60 * Field manipulation macros for the drr_versioninfo field of the
51 61 * send stream header.
52 62 */
53 63
54 64 /*
55 65 * Header types for zfs send streams.
56 66 */
57 67 typedef enum drr_headertype {
58 68 DMU_SUBSTREAM = 0x1,
59 69 DMU_COMPOUNDSTREAM = 0x2
60 70 } drr_headertype_t;
61 71
62 72 #define DMU_GET_STREAM_HDRTYPE(vi) BF64_GET((vi), 0, 2)
63 73 #define DMU_SET_STREAM_HDRTYPE(vi, x) BF64_SET((vi), 0, 2, x)
64 74
65 75 #define DMU_GET_FEATUREFLAGS(vi) BF64_GET((vi), 2, 30)
66 76 #define DMU_SET_FEATUREFLAGS(vi, x) BF64_SET((vi), 2, 30, x)
67 77
68 78 /*
69 79 * Feature flags for zfs send streams (flags in drr_versioninfo)
70 80 */
71 81
72 82 #define DMU_BACKUP_FEATURE_DEDUP (0x1)
73 83 #define DMU_BACKUP_FEATURE_DEDUPPROPS (0x2)
74 84 #define DMU_BACKUP_FEATURE_SA_SPILL (0x4)
75 85
76 86 /*
77 87 * Mask of all supported backup features
78 88 */
79 89 #define DMU_BACKUP_FEATURE_MASK (DMU_BACKUP_FEATURE_DEDUP | \
80 90 DMU_BACKUP_FEATURE_DEDUPPROPS | DMU_BACKUP_FEATURE_SA_SPILL)
81 91
82 92 /* Are all features in the given flag word currently supported? */
83 93 #define DMU_STREAM_SUPPORTED(x) (!((x) & ~DMU_BACKUP_FEATURE_MASK))
84 94
85 95 /*
86 96 * The drr_versioninfo field of the dmu_replay_record has the
87 97 * following layout:
88 98 *
89 99 * 64 56 48 40 32 24 16 8 0
90 100 * +-------+-------+-------+-------+-------+-------+-------+-------+
91 101 * | reserved | feature-flags |C|S|
92 102 * +-------+-------+-------+-------+-------+-------+-------+-------+
93 103 *
94 104 * The low order two bits indicate the header type: SUBSTREAM (0x1)
95 105 * or COMPOUNDSTREAM (0x2). Using two bits for this is historical:
96 106 * this field used to be a version number, where the two version types
97 107 * were 1 and 2. Using two bits for this allows earlier versions of
98 108 * the code to be able to recognize send streams that don't use any
99 109 * of the features indicated by feature flags.
100 110 */
101 111
102 112 #define DMU_BACKUP_MAGIC 0x2F5bacbacULL
103 113
104 114 #define DRR_FLAG_CLONE (1<<0)
105 115 #define DRR_FLAG_CI_DATA (1<<1)
106 116
107 117 /*
108 118 * flags in the drr_checksumflags field in the DRR_WRITE and
109 119 * DRR_WRITE_BYREF blocks
110 120 */
111 121 #define DRR_CHECKSUM_DEDUP (1<<0)
112 122
113 123 #define DRR_IS_DEDUP_CAPABLE(flags) ((flags) & DRR_CHECKSUM_DEDUP)
114 124
115 125 /*
116 126 * zfs ioctl command structure
117 127 */
118 128 typedef struct dmu_replay_record {
119 129 enum {
120 130 DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS,
121 131 DRR_WRITE, DRR_FREE, DRR_END, DRR_WRITE_BYREF,
122 132 DRR_SPILL, DRR_NUMTYPES
123 133 } drr_type;
124 134 uint32_t drr_payloadlen;
125 135 union {
126 136 struct drr_begin {
127 137 uint64_t drr_magic;
128 138 uint64_t drr_versioninfo; /* was drr_version */
129 139 uint64_t drr_creation_time;
130 140 dmu_objset_type_t drr_type;
131 141 uint32_t drr_flags;
132 142 uint64_t drr_toguid;
133 143 uint64_t drr_fromguid;
134 144 char drr_toname[MAXNAMELEN];
135 145 } drr_begin;
136 146 struct drr_end {
137 147 zio_cksum_t drr_checksum;
138 148 uint64_t drr_toguid;
139 149 } drr_end;
140 150 struct drr_object {
141 151 uint64_t drr_object;
142 152 dmu_object_type_t drr_type;
143 153 dmu_object_type_t drr_bonustype;
144 154 uint32_t drr_blksz;
145 155 uint32_t drr_bonuslen;
146 156 uint8_t drr_checksumtype;
147 157 uint8_t drr_compress;
148 158 uint8_t drr_pad[6];
149 159 uint64_t drr_toguid;
150 160 /* bonus content follows */
151 161 } drr_object;
152 162 struct drr_freeobjects {
153 163 uint64_t drr_firstobj;
154 164 uint64_t drr_numobjs;
155 165 uint64_t drr_toguid;
156 166 } drr_freeobjects;
157 167 struct drr_write {
158 168 uint64_t drr_object;
159 169 dmu_object_type_t drr_type;
160 170 uint32_t drr_pad;
161 171 uint64_t drr_offset;
162 172 uint64_t drr_length;
163 173 uint64_t drr_toguid;
164 174 uint8_t drr_checksumtype;
165 175 uint8_t drr_checksumflags;
166 176 uint8_t drr_pad2[6];
167 177 ddt_key_t drr_key; /* deduplication key */
168 178 /* content follows */
169 179 } drr_write;
170 180 struct drr_free {
171 181 uint64_t drr_object;
172 182 uint64_t drr_offset;
173 183 uint64_t drr_length;
174 184 uint64_t drr_toguid;
175 185 } drr_free;
176 186 struct drr_write_byref {
177 187 /* where to put the data */
178 188 uint64_t drr_object;
179 189 uint64_t drr_offset;
180 190 uint64_t drr_length;
181 191 uint64_t drr_toguid;
182 192 /* where to find the prior copy of the data */
183 193 uint64_t drr_refguid;
184 194 uint64_t drr_refobject;
185 195 uint64_t drr_refoffset;
186 196 /* properties of the data */
187 197 uint8_t drr_checksumtype;
188 198 uint8_t drr_checksumflags;
189 199 uint8_t drr_pad2[6];
190 200 ddt_key_t drr_key; /* deduplication key */
191 201 } drr_write_byref;
192 202 struct drr_spill {
193 203 uint64_t drr_object;
194 204 uint64_t drr_length;
195 205 uint64_t drr_toguid;
196 206 uint64_t drr_pad[4]; /* needed for crypto */
197 207 /* spill data follows */
198 208 } drr_spill;
199 209 } drr_u;
200 210 } dmu_replay_record_t;
201 211
202 212 /* diff record range types */
203 213 typedef enum diff_type {
204 214 DDR_NONE = 0x1,
205 215 DDR_INUSE = 0x2,
206 216 DDR_FREE = 0x4
207 217 } diff_type_t;
208 218
209 219 /*
210 220 * The diff reports back ranges of free or in-use objects.
211 221 */
212 222 typedef struct dmu_diff_record {
213 223 uint64_t ddr_type;
214 224 uint64_t ddr_first;
215 225 uint64_t ddr_last;
216 226 } dmu_diff_record_t;
217 227
218 228 typedef struct zinject_record {
219 229 uint64_t zi_objset;
220 230 uint64_t zi_object;
221 231 uint64_t zi_start;
222 232 uint64_t zi_end;
223 233 uint64_t zi_guid;
224 234 uint32_t zi_level;
225 235 uint32_t zi_error;
226 236 uint64_t zi_type;
227 237 uint32_t zi_freq;
228 238 uint32_t zi_failfast;
229 239 char zi_func[MAXNAMELEN];
230 240 uint32_t zi_iotype;
231 241 int32_t zi_duration;
232 242 uint64_t zi_timer;
233 243 } zinject_record_t;
234 244
235 245 #define ZINJECT_NULL 0x1
236 246 #define ZINJECT_FLUSH_ARC 0x2
237 247 #define ZINJECT_UNLOAD_SPA 0x4
238 248
239 249 typedef struct zfs_share {
240 250 uint64_t z_exportdata;
241 251 uint64_t z_sharedata;
242 252 uint64_t z_sharetype; /* 0 = share, 1 = unshare */
243 253 uint64_t z_sharemax; /* max length of share string */
244 254 } zfs_share_t;
245 255
246 256 /*
247 257 * ZFS file systems may behave the usual, POSIX-compliant way, where
248 258 * name lookups are case-sensitive. They may also be set up so that
|
↓ open down ↓ |
195 lines elided |
↑ open up ↑ |
249 259 * all the name lookups are case-insensitive, or so that only some
250 260 * lookups, the ones that set an FIGNORECASE flag, are case-insensitive.
251 261 */
252 262 typedef enum zfs_case {
253 263 ZFS_CASE_SENSITIVE,
254 264 ZFS_CASE_INSENSITIVE,
255 265 ZFS_CASE_MIXED
256 266 } zfs_case_t;
257 267
258 268 typedef struct zfs_cmd {
259 - char zc_name[MAXPATHLEN];
269 + char zc_name[MAXPATHLEN]; /* name of pool or dataset */
270 + uint64_t zc_nvlist_src; /* really (char *) */
271 + uint64_t zc_nvlist_src_size;
272 + uint64_t zc_nvlist_dst; /* really (char *) */
273 + uint64_t zc_nvlist_dst_size;
274 + boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */
275 + int zc_pad2;
276 +
277 + /*
278 + * The following members are for legacy ioctls which haven't been
279 + * converted to the new method.
280 + */
281 + uint64_t zc_history; /* really (char *) */
260 282 char zc_value[MAXPATHLEN * 2];
261 283 char zc_string[MAXNAMELEN];
262 284 char zc_top_ds[MAXPATHLEN];
263 285 uint64_t zc_guid;
264 286 uint64_t zc_nvlist_conf; /* really (char *) */
265 287 uint64_t zc_nvlist_conf_size;
266 - uint64_t zc_nvlist_src; /* really (char *) */
267 - uint64_t zc_nvlist_src_size;
268 - uint64_t zc_nvlist_dst; /* really (char *) */
269 - uint64_t zc_nvlist_dst_size;
270 288 uint64_t zc_cookie;
271 289 uint64_t zc_objset_type;
272 290 uint64_t zc_perm_action;
273 - uint64_t zc_history; /* really (char *) */
274 - uint64_t zc_history_len;
291 + uint64_t zc_history_len;
275 292 uint64_t zc_history_offset;
276 293 uint64_t zc_obj;
277 294 uint64_t zc_iflags; /* internal to zfs(7fs) */
278 295 zfs_share_t zc_share;
279 296 dmu_objset_stats_t zc_objset_stats;
280 297 struct drr_begin zc_begin_record;
281 298 zinject_record_t zc_inject_record;
282 299 boolean_t zc_defer_destroy;
283 300 boolean_t zc_temphold;
284 301 uint64_t zc_action_handle;
285 302 int zc_cleanup_fd;
286 303 uint8_t zc_pad[4]; /* alignment */
287 304 uint64_t zc_sendobj;
288 305 uint64_t zc_fromobj;
289 306 uint64_t zc_createtxg;
290 307 zfs_stat_t zc_stat;
291 308 } zfs_cmd_t;
292 309
293 310 typedef struct zfs_useracct {
294 311 char zu_domain[256];
295 312 uid_t zu_rid;
296 313 uint32_t zu_pad;
297 314 uint64_t zu_space;
298 315 } zfs_useracct_t;
299 316
300 317 #define ZFSDEV_MAX_MINOR (1 << 16)
301 318 #define ZFS_MIN_MINOR (ZFSDEV_MAX_MINOR + 1)
302 319
303 320 #define ZPOOL_EXPORT_AFTER_SPLIT 0x1
304 321
305 322 #ifdef _KERNEL
306 323
307 324 typedef struct zfs_creat {
308 325 nvlist_t *zct_zplprops;
309 326 nvlist_t *zct_props;
310 327 } zfs_creat_t;
311 328
312 329 extern dev_info_t *zfs_dip;
313 330
314 331 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
315 332 extern int zfs_secpolicy_rename_perms(const char *from,
316 333 const char *to, cred_t *cr);
317 334 extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
318 335 extern int zfs_busy(void);
319 336 extern int zfs_unmount_snap(const char *, void *);
320 337
321 338 /*
322 339 * ZFS minor numbers can refer to either a control device instance or
323 340 * a zvol. Depending on the value of zss_type, zss_data points to either
324 341 * a zvol_state_t or a zfs_onexit_t.
325 342 */
326 343 enum zfs_soft_state_type {
327 344 ZSST_ZVOL,
328 345 ZSST_CTLDEV
329 346 };
330 347
331 348 typedef struct zfs_soft_state {
332 349 enum zfs_soft_state_type zss_type;
333 350 void *zss_data;
334 351 } zfs_soft_state_t;
335 352
336 353 extern void *zfsdev_get_soft_state(minor_t minor,
337 354 enum zfs_soft_state_type which);
338 355 extern minor_t zfsdev_minor_alloc(void);
339 356
340 357 extern void *zfsdev_state;
341 358 extern kmutex_t zfsdev_state_lock;
342 359
343 360 #endif /* _KERNEL */
344 361
345 362 #ifdef __cplusplus
346 363 }
347 364 #endif
348 365
349 366 #endif /* _SYS_ZFS_IOCTL_H */
|
↓ open down ↓ |
65 lines elided |
↑ open up ↑ |
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX