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// This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this // file, You can obtain one at http://mozilla.org/MPL/2.0/. use crate::core::dm_ioctl as dmi; bitflags! { /// Flags used by devicemapper. #[derive(Default)] pub struct DmFlags: dmi::__u32 { /// In: Device should be read-only. /// Out: Device is read-only. #[allow(clippy::identity_op)] const DM_READONLY = (1 << 0); /// In: Device should be suspended. /// Out: Device is suspended. const DM_SUSPEND = (1 << 1); /// In: Use passed-in minor number. const DM_PERSISTENT_DEV = (1 << 3); /// In: STATUS command returns table info instead of status. const DM_STATUS_TABLE = (1 << 4); /// Out: Active table is present. const DM_ACTIVE_PRESENT = (1 << 5); /// Out: Inactive table is present. const DM_INACTIVE_PRESENT = (1 << 6); /// Out: Passed-in buffer was too small. const DM_BUFFER_FULL = (1 << 8); /// Obsolete. const DM_SKIP_BDGET = (1 << 9); /// In: Avoid freezing filesystem when suspending. const DM_SKIP_LOCKFS = (1 << 10); /// In: Suspend without flushing queued I/Os. const DM_NOFLUSH = (1 << 11); /// In: Query inactive table instead of active. const DM_QUERY_INACTIVE_TABLE = (1 << 12); /// Out: A uevent was generated, the caller may need to wait for it. const DM_UEVENT_GENERATED = (1 << 13); /// In: Rename affects UUID field, not name field. const DM_UUID = (1 << 14); /// In: All buffers are wiped after use. Use when handling crypto keys. const DM_SECURE_DATA = (1 << 15); /// Out: A message generated output data. const DM_DATA_OUT = (1 << 16); /// In: Do not remove in-use devices. /// Out: Device scheduled to be removed when closed. const DM_DEFERRED_REMOVE = (1 << 17); /// Out: Device is suspended internally. const DM_INTERNAL_SUSPEND = (1 << 18); } } bitflags! { /// Flags used by devicemapper, see: /// https://sourceware.org/git/?p=lvm2.git;a=blob;f=libdm/libdevmapper.h#l3627 /// for complete information about the meaning of the flags. #[derive(Default)] pub struct DmCookie: dmi::__u16 { #[allow(clippy::identity_op)] /// Disables basic device-mapper udev rules that create symlinks in /dev/<DM_DIR> /// directory. const DM_UDEV_DISABLE_DM_RULES_FLAG = (1 << 0); /// Disable subsystem udev rules, but allow general DM udev rules to run. const DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG = (1 << 1); /// Disable dm udev rules which create symlinks in /dev/disk/* directory. const DM_UDEV_DISABLE_DISK_RULES_FLAG = (1 << 2); /// Disable all rules that are not general dm nor subsystem related. const DM_UDEV_DISABLE_OTHER_RULES_FLAG = (1 << 3); /// Instruct udev rules to give lower priority to the device. const DM_UDEV_LOW_PRIORITY_FLAG = (1 << 4); /// Disable libdevmapper's node management. const DM_UDEV_DISABLE_LIBRARY_FALLBACK = (1 << 5); /// Automatically appended to all IOCTL calls issues by libdevmapper for generating /// udev uevents. const DM_UDEV_PRIMARY_SOURCE_FLAG = (1 << 6); } }