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Diffstat (limited to 'pkg/sentry/vfs/options.go')
| -rw-r--r-- | pkg/sentry/vfs/options.go | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/pkg/sentry/vfs/options.go b/pkg/sentry/vfs/options.go deleted file mode 100644 index 187e5410c..000000000 --- a/pkg/sentry/vfs/options.go +++ /dev/null @@ -1,123 +0,0 @@ -// Copyright 2019 The gVisor Authors. -// -// 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. - -package vfs - -import ( - "gvisor.dev/gvisor/pkg/abi/linux" -) - -// GetDentryOptions contains options to VirtualFilesystem.GetDentryAt() and -// FilesystemImpl.GetDentryAt(). -type GetDentryOptions struct { - // If CheckSearchable is true, FilesystemImpl.GetDentryAt() must check that - // the returned Dentry is a directory for which creds has search - // permission. - CheckSearchable bool -} - -// MkdirOptions contains options to VirtualFilesystem.MkdirAt() and -// FilesystemImpl.MkdirAt(). -type MkdirOptions struct { - // Mode is the file mode bits for the created directory. - Mode uint16 -} - -// MknodOptions contains options to VirtualFilesystem.MknodAt() and -// FilesystemImpl.MknodAt(). -type MknodOptions struct { - // Mode is the file type and mode bits for the created file. - Mode uint16 - - // If Mode specifies a character or block device special file, DevMajor and - // DevMinor are the major and minor device numbers for the created device. - DevMajor uint32 - DevMinor uint32 -} - -// OpenOptions contains options to VirtualFilesystem.OpenAt() and -// FilesystemImpl.OpenAt(). -type OpenOptions struct { - // Flags contains access mode and flags as specified for open(2). - // - // FilesystemImpls is reponsible for implementing the following flags: - // O_RDONLY, O_WRONLY, O_RDWR, O_APPEND, O_CREAT, O_DIRECT, O_DSYNC, - // O_EXCL, O_NOATIME, O_NOCTTY, O_NONBLOCK, O_PATH, O_SYNC, O_TMPFILE, and - // O_TRUNC. VFS is responsible for handling O_DIRECTORY, O_LARGEFILE, and - // O_NOFOLLOW. VFS users are responsible for handling O_CLOEXEC, since file - // descriptors are mostly outside the scope of VFS. - Flags uint32 - - // If FilesystemImpl.OpenAt() creates a file, Mode is the file mode for the - // created file. - Mode uint16 -} - -// ReadOptions contains options to FileDescription.PRead(), -// FileDescriptionImpl.PRead(), FileDescription.Read(), and -// FileDescriptionImpl.Read(). -type ReadOptions struct { - // Flags contains flags as specified for preadv2(2). - Flags uint32 -} - -// RenameOptions contains options to VirtualFilesystem.RenameAt() and -// FilesystemImpl.RenameAt(). -type RenameOptions struct { - // Flags contains flags as specified for renameat2(2). - Flags uint32 -} - -// SetStatOptions contains options to VirtualFilesystem.SetStatAt(), -// FilesystemImpl.SetStatAt(), FileDescription.SetStat(), and -// FileDescriptionImpl.SetStat(). -type SetStatOptions struct { - // Stat is the metadata that should be set. Only fields indicated by - // Stat.Mask should be set. - // - // If Stat specifies that a timestamp should be set, - // FilesystemImpl.SetStatAt() and FileDescriptionImpl.SetStat() must - // special-case StatxTimestamp.Nsec == UTIME_NOW as described by - // utimensat(2); however, they do not need to check for StatxTimestamp.Nsec - // == UTIME_OMIT (VFS users must unset the corresponding bit in Stat.Mask - // instead). - Stat linux.Statx -} - -// StatOptions contains options to VirtualFilesystem.StatAt(), -// FilesystemImpl.StatAt(), FileDescription.Stat(), and -// FileDescriptionImpl.Stat(). -type StatOptions struct { - // Mask is the set of fields in the returned Statx that the FilesystemImpl - // or FileDescriptionImpl should provide. Bits are as in linux.Statx.Mask. - // - // The FilesystemImpl or FileDescriptionImpl may return fields not - // requested in Mask, and may fail to return fields requested in Mask that - // are not supported by the underlying filesystem implementation, without - // returning an error. - Mask uint32 - - // Sync specifies the synchronization required, and is one of - // linux.AT_STATX_SYNC_AS_STAT (which is 0, and therefore the default), - // linux.AT_STATX_SYNC_FORCE_SYNC, or linux.AT_STATX_SYNC_DONT_SYNC. - Sync uint32 -} - -// WriteOptions contains options to FileDescription.PWrite(), -// FileDescriptionImpl.PWrite(), FileDescription.Write(), and -// FileDescriptionImpl.Write(). -type WriteOptions struct { - // Flags contains flags as specified for pwritev2(2). - Flags uint32 -} |