/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ #ifndef _ZFS_IOCTL_IMPL_H_ #define _ZFS_IOCTL_IMPL_H_ extern kmutex_t zfsdev_state_lock; extern zfsdev_state_t *zfsdev_state_list; extern unsigned long zfs_max_nvlist_src_size; typedef int zfs_ioc_legacy_func_t(zfs_cmd_t *); typedef int zfs_ioc_func_t(const char *, nvlist_t *, nvlist_t *); typedef int zfs_secpolicy_func_t(zfs_cmd_t *, nvlist_t *, cred_t *); typedef enum { POOL_CHECK_NONE = 1 << 0, POOL_CHECK_SUSPENDED = 1 << 1, POOL_CHECK_READONLY = 1 << 2, } zfs_ioc_poolcheck_t; typedef enum { NO_NAME, POOL_NAME, DATASET_NAME, ENTITY_NAME } zfs_ioc_namecheck_t; /* * IOC Keys are used to document and validate user->kernel interface inputs. * See zfs_keys_recv_new for an example declaration. Any key name that is not * listed will be rejected as input. * * The keyname 'optional' is always allowed, and must be an nvlist if present. * Arguments which older kernels can safely ignore can be placed under the * "optional" key. * * When adding new keys to an existing ioc for new functionality, consider: * - adding an entry into zfs_sysfs.c zfs_features[] list * - updating the libzfs_input_check.c test utility * * Note: in the ZK_WILDCARDLIST case, the name serves as documentation * for the expected name (bookmark, snapshot, property, etc) but there * is no validation in the preflight zfs_check_input_nvpairs() check. */ typedef enum { ZK_OPTIONAL = 1 << 0, /* pair is optional */ ZK_WILDCARDLIST = 1 << 1, /* one or more unspecified key names */ } ioc_key_flag_t; typedef struct zfs_ioc_key { const char *zkey_name; data_type_t zkey_type; ioc_key_flag_t zkey_flags; } zfs_ioc_key_t; int zfs_secpolicy_config(zfs_cmd_t *, nvlist_t *, cred_t *); void zfs_ioctl_register_dataset_nolog(zfs_ioc_t, zfs_ioc_legacy_func_t *, zfs_secpolicy_func_t *, zfs_ioc_poolcheck_t); void zfs_ioctl_register(const char *, zfs_ioc_t, zfs_ioc_func_t *, zfs_secpolicy_func_t *, zfs_ioc_namecheck_t, zfs_ioc_poolcheck_t, boolean_t, boolean_t, const zfs_ioc_key_t *, size_t); uint64_t zfs_max_nvlist_src_size_os(void); void zfs_ioctl_init_os(void); boolean_t zfs_vfs_held(zfsvfs_t *); int zfs_vfs_ref(zfsvfs_t **); void zfs_vfs_rele(zfsvfs_t *); long zfsdev_ioctl_common(uint_t, zfs_cmd_t *, int); int zfsdev_attach(void); void zfsdev_detach(void); int zfs_kmod_init(void); void zfs_kmod_fini(void); #endif |