94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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#ifndef _ZFS_IOCTL_IMPL_H_
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#define _ZFS_IOCTL_IMPL_H_
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extern kmutex_t zfsdev_state_lock;
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extern zfsdev_state_t *zfsdev_state_list;
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typedef int zfs_ioc_legacy_func_t(zfs_cmd_t *);
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typedef int zfs_ioc_func_t(const char *, nvlist_t *, nvlist_t *);
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typedef int zfs_secpolicy_func_t(zfs_cmd_t *, nvlist_t *, cred_t *);
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typedef enum {
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POOL_CHECK_NONE = 1 << 0,
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POOL_CHECK_SUSPENDED = 1 << 1,
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POOL_CHECK_READONLY = 1 << 2,
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} zfs_ioc_poolcheck_t;
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typedef enum {
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NO_NAME,
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POOL_NAME,
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DATASET_NAME,
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ENTITY_NAME
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} zfs_ioc_namecheck_t;
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/*
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* IOC Keys are used to document and validate user->kernel interface inputs.
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* See zfs_keys_recv_new for an example declaration. Any key name that is not
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* listed will be rejected as input.
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*
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* The keyname 'optional' is always allowed, and must be an nvlist if present.
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* Arguments which older kernels can safely ignore can be placed under the
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* "optional" key.
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*
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* When adding new keys to an existing ioc for new functionality, consider:
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* - adding an entry into zfs_sysfs.c zfs_features[] list
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* - updating the libzfs_input_check.c test utility
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*
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* Note: in the ZK_WILDCARDLIST case, the name serves as documentation
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* for the expected name (bookmark, snapshot, property, etc) but there
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* is no validation in the preflight zfs_check_input_nvpairs() check.
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*/
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typedef enum {
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ZK_OPTIONAL = 1 << 0, /* pair is optional */
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ZK_WILDCARDLIST = 1 << 1, /* one or more unspecified key names */
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} ioc_key_flag_t;
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typedef struct zfs_ioc_key {
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const char *zkey_name;
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data_type_t zkey_type;
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ioc_key_flag_t zkey_flags;
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} zfs_ioc_key_t;
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int zfs_secpolicy_config(zfs_cmd_t *, nvlist_t *, cred_t *);
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void zfs_ioctl_register_dataset_nolog(zfs_ioc_t, zfs_ioc_legacy_func_t *,
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zfs_secpolicy_func_t *, zfs_ioc_poolcheck_t);
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void zfs_ioctl_register(const char *, zfs_ioc_t, zfs_ioc_func_t *,
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zfs_secpolicy_func_t *, zfs_ioc_namecheck_t, zfs_ioc_poolcheck_t,
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boolean_t, boolean_t, const zfs_ioc_key_t *, size_t);
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void zfs_ioctl_init_os(void);
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int zfs_vfs_ref(zfsvfs_t **);
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long zfsdev_ioctl_common(uint_t, unsigned long);
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int zfsdev_attach(void);
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void zfsdev_detach(void);
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int zfs_kmod_init(void);
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void zfs_kmod_fini(void);
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#endif
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