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      1  0  stevel /*
      2  0  stevel  * CDDL HEADER START
      3  0  stevel  *
      4  0  stevel  * The contents of this file are subject to the terms of the
      5  0  stevel  * Common Development and Distribution License, Version 1.0 only
      6  0  stevel  * (the "License").  You may not use this file except in compliance
      7  0  stevel  * with the License.
      8  0  stevel  *
      9  0  stevel  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  0  stevel  * or http://www.opensolaris.org/os/licensing.
     11  0  stevel  * See the License for the specific language governing permissions
     12  0  stevel  * and limitations under the License.
     13  0  stevel  *
     14  0  stevel  * When distributing Covered Code, include this CDDL HEADER in each
     15  0  stevel  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  0  stevel  * If applicable, add the following below this CDDL HEADER, with the
     17  0  stevel  * fields enclosed by brackets "[]" replaced with your own identifying
     18  0  stevel  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  0  stevel  *
     20  0  stevel  * CDDL HEADER END
     21  0  stevel  */
     22  0  stevel /*
     23  0  stevel  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
     24  0  stevel  * Use is subject to license terms.
     25  0  stevel  */
     26  0  stevel 
     27  0  stevel #ifndef	_POOL_KERNEL_IMPL_H
     28  0  stevel #define	_POOL_KERNEL_IMPL_H
     29  0  stevel 
     30  0  stevel #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31  0  stevel 
     32  0  stevel #ifdef	__cplusplus
     33  0  stevel extern "C" {
     34  0  stevel #endif
     35  0  stevel 
     36  0  stevel /*
     37  0  stevel  * This file contains the definitions of types and supporting
     38  0  stevel  * functions to implement the libpool kernel specific data
     39  0  stevel  * manipulation facility.
     40  0  stevel  *
     41  0  stevel  * For more information on the libpool generic data manipulation
     42  0  stevel  * facility, look at pool_impl.h.
     43  0  stevel  *
     44  0  stevel  * The central types for the generic data representation/storage
     45  0  stevel  * facility are here enhanced to provide additional kernel specific
     46  0  stevel  * information.
     47  0  stevel  */
     48  0  stevel 
     49  0  stevel /*
     50  0  stevel  * pool_knl_elem_t is the kernel specific representation of the
     51  0  stevel  * pool_elem_t structure.
     52  0  stevel  */
     53  0  stevel typedef struct pool_knl_elem {
     54  0  stevel 	/*
     55  0  stevel 	 * Common to pool_elem_t
     56  0  stevel 	 */
     57  0  stevel 	pool_elem_t pke_elem;
     58  0  stevel 	void *pke_pad1;
     59  0  stevel 	void *pke_pad2;
     60  0  stevel 	/*
     61  0  stevel 	 * Common to pool_knl_elem_t
     62  0  stevel 	 */
     63  0  stevel 	nvlist_t *pke_properties;			/* Properties nvlist */
     64  0  stevel 	struct pool_knl_elem *pke_parent;		/* Element parent */
     65  0  stevel 	uint64_t pke_ltime;				/* Library timestamp */
     66  0  stevel } pool_knl_elem_t;
     67  0  stevel 
     68  0  stevel typedef pool_knl_elem_t pool_knl_system_t;
     69  0  stevel 
     70  0  stevel typedef struct pool_knl_resource {
     71  0  stevel 	/*
     72  0  stevel 	 * Common to pool_elem_t
     73  0  stevel 	 */
     74  0  stevel 	pool_elem_t pke_elem;
     75  0  stevel 	/*
     76  0  stevel 	 * Specific to pool_resource_t
     77  0  stevel 	 */
     78  0  stevel 	int (*pr_is_system)(const pool_resource_t *);
     79  0  stevel 	int (*pr_can_associate)(const pool_resource_t *);
     80  0  stevel 	/*
     81  0  stevel 	 * Common to pool_knl_elem_t
     82  0  stevel 	 */
     83  0  stevel 	nvlist_t *pke_properties;			/* Properties nvlist */
     84  0  stevel 	struct pool_knl_elem *pke_parent;		/* Element parent */
     85  0  stevel 	uint64_t pke_ltime;				/* Library timestamp */
     86  0  stevel } pool_knl_resource_t;
     87  0  stevel 
     88  0  stevel typedef pool_knl_elem_t pool_knl_component_t;
     89  0  stevel 
     90  0  stevel typedef struct pool_knl_pool {
     91  0  stevel 	/*
     92  0  stevel 	 * Common to pool_elem_t
     93  0  stevel 	 */
     94  0  stevel 	pool_elem_t pke_elem;
     95  0  stevel 	/*
     96  0  stevel 	 * Specific to pool_t
     97  0  stevel 	 */
     98  0  stevel 	int (*pp_associate)(pool_t *, const pool_resource_t *);
     99  0  stevel 	int (*pp_dissociate)(pool_t *, const pool_resource_t *);
    100  0  stevel 	/*
    101  0  stevel 	 * Common to pool_knl_elem_t
    102  0  stevel 	 */
    103  0  stevel 	nvlist_t *pke_properties;			/* Properties nvlist */
    104  0  stevel 	struct pool_knl_elem *pke_parent;		/* Element parent */
    105  0  stevel 	uint64_t pke_ltime;				/* Library timestamp */
    106  0  stevel 	/*
    107  0  stevel 	 * Specific to pool_knl_pool_t
    108  0  stevel 	 */
    109  0  stevel 	pool_knl_resource_t *pkp_assoc[4];		/* Pool resources */
    110  0  stevel } pool_knl_pool_t;
    111  0  stevel 
    112  0  stevel /*
    113  0  stevel  * pool_knl_result_set_t is the kernel specific representation of the
    114  0  stevel  * pool_result_set_t structure.
    115  0  stevel  *
    116  0  stevel  */
    117  0  stevel typedef struct pool_knl_result_set {
    118  0  stevel 	const pool_conf_t *prs_conf;			/* Configuration */
    119  0  stevel 	int prs_active;					/* Query active? */
    120  0  stevel 	int prs_index;					/* Result Index */
    121  0  stevel 	pool_elem_t *(*prs_next)(pool_result_set_t *);
    122  0  stevel 	pool_elem_t *(*prs_prev)(pool_result_set_t *);
    123  0  stevel 	pool_elem_t *(*prs_first)(pool_result_set_t *);
    124  0  stevel 	pool_elem_t *(*prs_last)(pool_result_set_t *);
    125  0  stevel 	int (*prs_set_index)(pool_result_set_t *, int);
    126  0  stevel 	int (*prs_get_index)(pool_result_set_t *);
    127  0  stevel 	int (*prs_close)(pool_result_set_t *);
    128  0  stevel 	int (*prs_count)(pool_result_set_t *);
    129  0  stevel 	/*
    130  0  stevel 	 * End of common part
    131  0  stevel 	 */
    132  0  stevel 	pool_knl_elem_t **pkr_list;			/* Result members */
    133  0  stevel 	int pkr_count;					/* Result set count */
    134  0  stevel 	int pkr_size;					/* Result set size */
    135  0  stevel } pool_knl_result_set_t;
    136  0  stevel 
    137  0  stevel /*
    138  0  stevel  * pool_knl_connection_t is the kernel specific representation of the
    139  0  stevel  * pool_connection_t structure.
    140  0  stevel  *
    141  0  stevel  */
    142  0  stevel typedef struct pool_knl_connection {
    143  0  stevel 	const char *pc_name;				/* Provider name */
    144  0  stevel 	int pc_store_type;				/* Datastore type */
    145  0  stevel 	int pc_oflags;					/* Open flags */
    146  0  stevel 	int (*pc_close)(pool_conf_t *);
    147  0  stevel 	int (*pc_validate)(const pool_conf_t *, pool_valid_level_t);
    148  0  stevel 	int (*pc_commit)(pool_conf_t *);
    149  0  stevel 	int (*pc_export)(const pool_conf_t *, const char *,
    150  0  stevel 	    pool_export_format_t);
    151  0  stevel 	int (*pc_rollback)(pool_conf_t *);
    152  0  stevel 	pool_result_set_t *(*pc_exec_query)(const pool_conf_t *,
    153  0  stevel 	    const pool_elem_t *, const char *,
    154  0  stevel 	    pool_elem_class_t, pool_value_t **);
    155  0  stevel 	pool_elem_t *(*pc_elem_create)(pool_conf_t *, pool_elem_class_t,
    156  0  stevel 	    pool_resource_elem_class_t, pool_component_elem_class_t);
    157  0  stevel 	int (*pc_remove)(pool_conf_t *);
    158  0  stevel 	int (*pc_res_xfer)(pool_resource_t *, pool_resource_t *, uint64_t);
    159  0  stevel 	int (*pc_res_xxfer)(pool_resource_t *, pool_resource_t *,
    160  0  stevel 	    pool_component_t **);
    161  0  stevel 	char *(*pc_get_binding)(pool_conf_t *, pid_t);
    162  0  stevel 	int (*pc_set_binding)(pool_conf_t *, const char *, idtype_t, id_t);
    163  0  stevel 	char *(*pc_get_resource_binding)(pool_conf_t *,
    164  0  stevel 	    pool_resource_elem_class_t, pid_t);
    165  0  stevel 	/*
    166  0  stevel 	 * End of common part
    167  0  stevel 	 */
    168  0  stevel 	int pkc_fd;					/* Pool device */
    169  0  stevel 	dict_hdl_t *pkc_elements;			/* Elements */
    170  0  stevel #if DEBUG
    171  0  stevel 	dict_hdl_t *pkc_leaks;				/* Elements */
    172  0  stevel #endif	/* DEBUG */
    173  0  stevel 	log_t *pkc_log;					/* Transaction log */
    174  0  stevel 	hrtime_t pkc_ltime;				/* Snap updated */
    175  0  stevel 	hrtime_t pkc_lotime;				/* Snap last updated */
    176  0  stevel } pool_knl_connection_t;
    177  0  stevel 
    178  0  stevel #ifdef	__cplusplus
    179  0  stevel }
    180  0  stevel #endif
    181  0  stevel 
    182  0  stevel #endif	/* _POOL_KERNEL_IMPL_H */
    183