115 lines
3.4 KiB
Python
115 lines
3.4 KiB
Python
#
|
|
# Copyright 2015 ClusterHQ
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
|
|
"""
|
|
Important `libzfs_core` constants.
|
|
"""
|
|
|
|
from __future__ import absolute_import, division, print_function
|
|
import errno
|
|
import sys
|
|
|
|
|
|
# Compat for platform-specific errnos
|
|
if sys.platform.startswith('freebsd'):
|
|
ECHRNG = errno.ENXIO
|
|
ECKSUM = 97 # EINTEGRITY
|
|
ETIME = errno.ETIMEDOUT
|
|
else:
|
|
ECHRNG = errno.ECHRNG
|
|
ECKSUM = errno.EBADE
|
|
ETIME = errno.ETIME
|
|
|
|
|
|
# https://stackoverflow.com/a/1695250
|
|
def enum_with_offset(offset, sequential, named):
|
|
enums = dict(((b, a + offset) for a, b in enumerate(sequential)), **named)
|
|
return type('Enum', (), enums)
|
|
|
|
|
|
def enum(*sequential, **named):
|
|
return enum_with_offset(0, sequential, named)
|
|
|
|
|
|
#: Maximum length of any ZFS name.
|
|
MAXNAMELEN = 255
|
|
#: Default channel program limits
|
|
ZCP_DEFAULT_INSTRLIMIT = 10 * 1000 * 1000
|
|
ZCP_DEFAULT_MEMLIMIT = 10 * 1024 * 1024
|
|
#: Encryption wrapping key length
|
|
WRAPPING_KEY_LEN = 32
|
|
#: Encryption key location enum
|
|
zfs_key_location = enum(
|
|
'ZFS_KEYLOCATION_NONE',
|
|
'ZFS_KEYLOCATION_PROMPT',
|
|
'ZFS_KEYLOCATION_URI'
|
|
)
|
|
#: Encryption key format enum
|
|
zfs_keyformat = enum(
|
|
'ZFS_KEYFORMAT_NONE',
|
|
'ZFS_KEYFORMAT_RAW',
|
|
'ZFS_KEYFORMAT_HEX',
|
|
'ZFS_KEYFORMAT_PASSPHRASE'
|
|
)
|
|
# Encryption algorithms enum
|
|
zio_encrypt = enum(
|
|
'ZIO_CRYPT_INHERIT',
|
|
'ZIO_CRYPT_ON',
|
|
'ZIO_CRYPT_OFF',
|
|
'ZIO_CRYPT_AES_128_CCM',
|
|
'ZIO_CRYPT_AES_192_CCM',
|
|
'ZIO_CRYPT_AES_256_CCM',
|
|
'ZIO_CRYPT_AES_128_GCM',
|
|
'ZIO_CRYPT_AES_192_GCM',
|
|
'ZIO_CRYPT_AES_256_GCM'
|
|
)
|
|
# ZFS-specific error codes
|
|
zfs_errno = enum_with_offset(1024, [
|
|
'ZFS_ERR_CHECKPOINT_EXISTS',
|
|
'ZFS_ERR_DISCARDING_CHECKPOINT',
|
|
'ZFS_ERR_NO_CHECKPOINT',
|
|
'ZFS_ERR_DEVRM_IN_PROGRESS',
|
|
'ZFS_ERR_VDEV_TOO_BIG',
|
|
'ZFS_ERR_IOC_CMD_UNAVAIL',
|
|
'ZFS_ERR_IOC_ARG_UNAVAIL',
|
|
'ZFS_ERR_IOC_ARG_REQUIRED',
|
|
'ZFS_ERR_IOC_ARG_BADTYPE',
|
|
'ZFS_ERR_WRONG_PARENT',
|
|
'ZFS_ERR_FROM_IVSET_GUID_MISSING',
|
|
'ZFS_ERR_FROM_IVSET_GUID_MISMATCH',
|
|
'ZFS_ERR_SPILL_BLOCK_FLAG_MISSING',
|
|
'ZFS_ERR_UNKNOWN_SEND_STREAM_FEATURE',
|
|
'ZFS_ERR_EXPORT_IN_PROGRESS',
|
|
'ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR',
|
|
'ZFS_ERR_STREAM_TRUNCATED',
|
|
'ZFS_ERR_STREAM_LARGE_BLOCK_MISMATCH',
|
|
'ZFS_ERR_RESILVER_IN_PROGRESS',
|
|
'ZFS_ERR_REBUILD_IN_PROGRESS',
|
|
'ZFS_ERR_BADPROP',
|
|
],
|
|
{}
|
|
)
|
|
# compat before we used the enum helper for these values
|
|
ZFS_ERR_CHECKPOINT_EXISTS = zfs_errno.ZFS_ERR_CHECKPOINT_EXISTS
|
|
assert (ZFS_ERR_CHECKPOINT_EXISTS == 1024)
|
|
ZFS_ERR_DISCARDING_CHECKPOINT = zfs_errno.ZFS_ERR_DISCARDING_CHECKPOINT
|
|
ZFS_ERR_NO_CHECKPOINT = zfs_errno.ZFS_ERR_NO_CHECKPOINT
|
|
ZFS_ERR_DEVRM_IN_PROGRESS = zfs_errno.ZFS_ERR_DEVRM_IN_PROGRESS
|
|
ZFS_ERR_VDEV_TOO_BIG = zfs_errno.ZFS_ERR_VDEV_TOO_BIG
|
|
ZFS_ERR_WRONG_PARENT = zfs_errno.ZFS_ERR_WRONG_PARENT
|
|
|
|
# vim: softtabstop=4 tabstop=4 expandtab shiftwidth=4
|