1*fcf3ce44SJohn Forte /* 2*fcf3ce44SJohn Forte * CDDL HEADER START 3*fcf3ce44SJohn Forte * 4*fcf3ce44SJohn Forte * The contents of this file are subject to the terms of the 5*fcf3ce44SJohn Forte * Common Development and Distribution License (the "License"). 6*fcf3ce44SJohn Forte * You may not use this file except in compliance with the License. 7*fcf3ce44SJohn Forte * 8*fcf3ce44SJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*fcf3ce44SJohn Forte * or http://www.opensolaris.org/os/licensing. 10*fcf3ce44SJohn Forte * See the License for the specific language governing permissions 11*fcf3ce44SJohn Forte * and limitations under the License. 12*fcf3ce44SJohn Forte * 13*fcf3ce44SJohn Forte * When distributing Covered Code, include this CDDL HEADER in each 14*fcf3ce44SJohn Forte * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*fcf3ce44SJohn Forte * If applicable, add the following below this CDDL HEADER, with the 16*fcf3ce44SJohn Forte * fields enclosed by brackets "[]" replaced with your own identifying 17*fcf3ce44SJohn Forte * information: Portions Copyright [yyyy] [name of copyright owner] 18*fcf3ce44SJohn Forte * 19*fcf3ce44SJohn Forte * CDDL HEADER END 20*fcf3ce44SJohn Forte */ 21*fcf3ce44SJohn Forte 22*fcf3ce44SJohn Forte /* 23*fcf3ce44SJohn Forte * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24*fcf3ce44SJohn Forte * Use is subject to license terms. 25*fcf3ce44SJohn Forte */ 26*fcf3ce44SJohn Forte 27*fcf3ce44SJohn Forte #ifndef _ISNS_CACHE_H 28*fcf3ce44SJohn Forte #define _ISNS_CACHE_H 29*fcf3ce44SJohn Forte 30*fcf3ce44SJohn Forte #include <synch.h> 31*fcf3ce44SJohn Forte #include <isns_htab.h> 32*fcf3ce44SJohn Forte #include <isns_dd.h> 33*fcf3ce44SJohn Forte 34*fcf3ce44SJohn Forte #ifdef __cplusplus 35*fcf3ce44SJohn Forte extern "C" { 36*fcf3ce44SJohn Forte #endif 37*fcf3ce44SJohn Forte 38*fcf3ce44SJohn Forte #define CACHE_FLAG_UPDATED 0x1 39*fcf3ce44SJohn Forte 40*fcf3ce44SJohn Forte #define SET_CACHE_UPDATED() (cache_flag |= CACHE_FLAG_UPDATED) 41*fcf3ce44SJohn Forte #define RESET_CACHE_UPDATED() (cache_flag &= ~CACHE_FLAG_UPDATED) 42*fcf3ce44SJohn Forte 43*fcf3ce44SJohn Forte #define IS_CACHE_UPDATED() (cache_flag & CACHE_FLAG_UPDATED) 44*fcf3ce44SJohn Forte 45*fcf3ce44SJohn Forte #define CACHE_NO_ACTION (0) 46*fcf3ce44SJohn Forte #define CACHE_READ (1) 47*fcf3ce44SJohn Forte #define CACHE_TRY_READ (2) 48*fcf3ce44SJohn Forte #define CACHE_WRITE (3) 49*fcf3ce44SJohn Forte 50*fcf3ce44SJohn Forte typedef struct cache { 51*fcf3ce44SJohn Forte rwlock_t l; 52*fcf3ce44SJohn Forte htab_t **t; 53*fcf3ce44SJohn Forte matrix_t **x; 54*fcf3ce44SJohn Forte uint32_t (*get_hval)(void *, uint16_t, uint32_t *); 55*fcf3ce44SJohn Forte uint32_t (*get_uid)(const void *); 56*fcf3ce44SJohn Forte uint32_t (*set_uid)(void *, uint32_t); 57*fcf3ce44SJohn Forte uint32_t (*timestamp)(void); 58*fcf3ce44SJohn Forte int (*add_hook)(void *); 59*fcf3ce44SJohn Forte int (*replace_hook)(void *, void *, uint32_t *, int); 60*fcf3ce44SJohn Forte int (*cmp)(void *, void *, int); 61*fcf3ce44SJohn Forte void *(*clone)(void *, int); 62*fcf3ce44SJohn Forte int (*ddd)(void *, const uchar_t); 63*fcf3ce44SJohn Forte #ifdef DEBUG 64*fcf3ce44SJohn Forte void (*dump)(void *); 65*fcf3ce44SJohn Forte #endif 66*fcf3ce44SJohn Forte } cache_t; 67*fcf3ce44SJohn Forte 68*fcf3ce44SJohn Forte int cache_init(void); 69*fcf3ce44SJohn Forte void cache_destroy(void); 70*fcf3ce44SJohn Forte int cache_lock(int); 71*fcf3ce44SJohn Forte int cache_unlock(int, int); 72*fcf3ce44SJohn Forte int cache_lock_read(void); 73*fcf3ce44SJohn Forte int cache_lock_write(void); 74*fcf3ce44SJohn Forte int cache_unlock_sync(int); 75*fcf3ce44SJohn Forte int cache_unlock_nosync(void); 76*fcf3ce44SJohn Forte htab_t *cache_get_htab(isns_type_t); 77*fcf3ce44SJohn Forte matrix_t *cache_get_matrix(isns_type_t); 78*fcf3ce44SJohn Forte int cache_lookup(lookup_ctrl_t *, uint32_t *, int (*)(void *, void *)); 79*fcf3ce44SJohn Forte int cache_rekey(lookup_ctrl_t *, uint32_t *, int (*)(void *, void *)); 80*fcf3ce44SJohn Forte int cache_add(isns_obj_t *, int, uint32_t *, int *); 81*fcf3ce44SJohn Forte isns_obj_t *cache_remove(lookup_ctrl_t *, int); 82*fcf3ce44SJohn Forte 83*fcf3ce44SJohn Forte #ifdef DEBUG 84*fcf3ce44SJohn Forte void cache_dump_htab(isns_type_t); 85*fcf3ce44SJohn Forte #endif 86*fcf3ce44SJohn Forte 87*fcf3ce44SJohn Forte #ifdef __cplusplus 88*fcf3ce44SJohn Forte } 89*fcf3ce44SJohn Forte #endif 90*fcf3ce44SJohn Forte 91*fcf3ce44SJohn Forte #endif /* _ISNS_CACHE_H */ 92