pool_kernel_impl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _POOL_KERNEL_IMPL_H
#define _POOL_KERNEL_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* This file contains the definitions of types and supporting
* functions to implement the libpool kernel specific data
* manipulation facility.
*
* For more information on the libpool generic data manipulation
* facility, look at pool_impl.h.
*
* The central types for the generic data representation/storage
* facility are here enhanced to provide additional kernel specific
* information.
*/
/*
* pool_knl_elem_t is the kernel specific representation of the
* pool_elem_t structure.
*/
typedef struct pool_knl_elem {
/*
* Common to pool_elem_t
*/
pool_elem_t pke_elem;
void *pke_pad1;
void *pke_pad2;
/*
* Common to pool_knl_elem_t
*/
nvlist_t *pke_properties; /* Properties nvlist */
struct pool_knl_elem *pke_parent; /* Element parent */
uint64_t pke_ltime; /* Library timestamp */
} pool_knl_elem_t;
typedef pool_knl_elem_t pool_knl_system_t;
typedef struct pool_knl_resource {
/*
* Common to pool_elem_t
*/
pool_elem_t pke_elem;
/*
* Specific to pool_resource_t
*/
int (*pr_is_system)(const pool_resource_t *);
int (*pr_can_associate)(const pool_resource_t *);
/*
* Common to pool_knl_elem_t
*/
nvlist_t *pke_properties; /* Properties nvlist */
struct pool_knl_elem *pke_parent; /* Element parent */
uint64_t pke_ltime; /* Library timestamp */
} pool_knl_resource_t;
typedef pool_knl_elem_t pool_knl_component_t;
typedef struct pool_knl_pool {
/*
* Common to pool_elem_t
*/
pool_elem_t pke_elem;
/*
* Specific to pool_t
*/
int (*pp_associate)(pool_t *, const pool_resource_t *);
int (*pp_dissociate)(pool_t *, const pool_resource_t *);
/*
* Common to pool_knl_elem_t
*/
nvlist_t *pke_properties; /* Properties nvlist */
struct pool_knl_elem *pke_parent; /* Element parent */
uint64_t pke_ltime; /* Library timestamp */
/*
* Specific to pool_knl_pool_t
*/
pool_knl_resource_t *pkp_assoc[4]; /* Pool resources */
} pool_knl_pool_t;
/*
* pool_knl_result_set_t is the kernel specific representation of the
* pool_result_set_t structure.
*
*/
typedef struct pool_knl_result_set {
const pool_conf_t *prs_conf; /* Configuration */
int prs_active; /* Query active? */
int prs_index; /* Result Index */
pool_elem_t *(*prs_next)(pool_result_set_t *);
pool_elem_t *(*prs_prev)(pool_result_set_t *);
pool_elem_t *(*prs_first)(pool_result_set_t *);
pool_elem_t *(*prs_last)(pool_result_set_t *);
int (*prs_set_index)(pool_result_set_t *, int);
int (*prs_get_index)(pool_result_set_t *);
int (*prs_close)(pool_result_set_t *);
int (*prs_count)(pool_result_set_t *);
/*
* End of common part
*/
pool_knl_elem_t **pkr_list; /* Result members */
int pkr_count; /* Result set count */
int pkr_size; /* Result set size */
} pool_knl_result_set_t;
/*
* pool_knl_connection_t is the kernel specific representation of the
* pool_connection_t structure.
*
*/
typedef struct pool_knl_connection {
const char *pc_name; /* Provider name */
int pc_store_type; /* Datastore type */
int pc_oflags; /* Open flags */
int (*pc_close)(pool_conf_t *);
int (*pc_validate)(const pool_conf_t *, pool_valid_level_t);
int (*pc_commit)(pool_conf_t *);
int (*pc_export)(const pool_conf_t *, const char *,
pool_export_format_t);
int (*pc_rollback)(pool_conf_t *);
pool_result_set_t *(*pc_exec_query)(const pool_conf_t *,
const pool_elem_t *, const char *,
pool_elem_class_t, pool_value_t **);
pool_elem_t *(*pc_elem_create)(pool_conf_t *, pool_elem_class_t,
pool_resource_elem_class_t, pool_component_elem_class_t);
int (*pc_remove)(pool_conf_t *);
int (*pc_res_xfer)(pool_resource_t *, pool_resource_t *, uint64_t);
int (*pc_res_xxfer)(pool_resource_t *, pool_resource_t *,
pool_component_t **);
char *(*pc_get_binding)(pool_conf_t *, pid_t);
int (*pc_set_binding)(pool_conf_t *, const char *, idtype_t, id_t);
char *(*pc_get_resource_binding)(pool_conf_t *,
pool_resource_elem_class_t, pid_t);
/*
* End of common part
*/
int pkc_fd; /* Pool device */
dict_hdl_t *pkc_elements; /* Elements */
#if DEBUG
dict_hdl_t *pkc_leaks; /* Elements */
#endif /* DEBUG */
log_t *pkc_log; /* Transaction log */
hrtime_t pkc_ltime; /* Snap updated */
hrtime_t pkc_lotime; /* Snap last updated */
} pool_knl_connection_t;
#ifdef __cplusplus
}
#endif
#endif /* _POOL_KERNEL_IMPL_H */