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85ce3f4f | 1 | # |
2 | # Copyright 2015 ClusterHQ | |
3 | # | |
4 | # Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | # you may not use this file except in compliance with the License. | |
6 | # You may obtain a copy of the License at | |
7 | # | |
8 | # http://www.apache.org/licenses/LICENSE-2.0 | |
9 | # | |
10 | # Unless required by applicable law or agreed to in writing, software | |
11 | # distributed under the License is distributed on an "AS IS" BASIS, | |
12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | # See the License for the specific language governing permissions and | |
14 | # limitations under the License. | |
15 | # | |
6abf9225 AG |
16 | |
17 | """ | |
18 | Important `libzfs_core` constants. | |
19 | """ | |
20 | ||
85ce3f4f | 21 | |
22 | # https://stackoverflow.com/a/1695250 | |
23 | def enum(*sequential, **named): | |
24 | enums = dict(zip(sequential, range(len(sequential))), **named) | |
25 | return type('Enum', (), enums) | |
26 | ||
27 | ||
6abf9225 AG |
28 | #: Maximum length of any ZFS name. |
29 | MAXNAMELEN = 255 | |
85ce3f4f | 30 | #: Default channel program limits |
31 | ZCP_DEFAULT_INSTRLIMIT = 10 * 1000 * 1000 | |
32 | ZCP_DEFAULT_MEMLIMIT = 10 * 1024 * 1024 | |
33 | #: Encryption wrapping key length | |
34 | WRAPPING_KEY_LEN = 32 | |
35 | #: Encryption key location enum | |
36 | zfs_key_location = enum( | |
37 | 'ZFS_KEYLOCATION_NONE', | |
38 | 'ZFS_KEYLOCATION_PROMPT', | |
39 | 'ZFS_KEYLOCATION_URI' | |
40 | ) | |
41 | #: Encryption key format enum | |
42 | zfs_keyformat = enum( | |
43 | 'ZFS_KEYFORMAT_NONE', | |
44 | 'ZFS_KEYFORMAT_RAW', | |
45 | 'ZFS_KEYFORMAT_HEX', | |
46 | 'ZFS_KEYFORMAT_PASSPHRASE' | |
47 | ) | |
48 | # Encryption algorithms enum | |
49 | zio_encrypt = enum( | |
50 | 'ZIO_CRYPT_INHERIT', | |
51 | 'ZIO_CRYPT_ON', | |
52 | 'ZIO_CRYPT_OFF', | |
53 | 'ZIO_CRYPT_AES_128_CCM', | |
54 | 'ZIO_CRYPT_AES_192_CCM', | |
55 | 'ZIO_CRYPT_AES_256_CCM', | |
56 | 'ZIO_CRYPT_AES_128_GCM', | |
57 | 'ZIO_CRYPT_AES_192_GCM', | |
58 | 'ZIO_CRYPT_AES_256_GCM' | |
59 | ) | |
c962fd6c | 60 | # ZFS-specific error codes |
61 | ZFS_ERR_CHECKPOINT_EXISTS = 1024 | |
62 | ZFS_ERR_DISCARDING_CHECKPOINT = 1025 | |
63 | ZFS_ERR_NO_CHECKPOINT = 1026 | |
64 | ZFS_ERR_DEVRM_IN_PROGRESS = 1027 | |
65 | ZFS_ERR_VDEV_TOO_BIG = 1028 | |
66 | ||
6abf9225 AG |
67 | |
68 | # vim: softtabstop=4 tabstop=4 expandtab shiftwidth=4 |