1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * Define and initialize MT client/server data. 35*0Sstevel@tonic-gate */ 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <sys/types.h> 38*0Sstevel@tonic-gate #include <sys/t_lock.h> 39*0Sstevel@tonic-gate #include <sys/kstat.h> 40*0Sstevel@tonic-gate #include <sys/systm.h> 41*0Sstevel@tonic-gate #include <sys/zone.h> 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #include <rpc/types.h> 44*0Sstevel@tonic-gate #include <rpc/auth.h> 45*0Sstevel@tonic-gate #include <rpc/clnt.h> 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate kmutex_t xid_lock; /* XID allocation */ 48*0Sstevel@tonic-gate kmutex_t clnt_pending_lock; /* for list of pending calls awaiting replies */ 49*0Sstevel@tonic-gate kmutex_t clnt_max_msg_lock; /* updating max message sanity check for cots */ 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate zone_key_t rpcstat_zone_key; 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate /* 54*0Sstevel@tonic-gate * rpcstat_zone_[init|fini]_common() ends up being nearly identical to 55*0Sstevel@tonic-gate * nfsstat_zone_[init|fini]_common(). Due to them necessarily being in 56*0Sstevel@tonic-gate * different modules, however, we end up needing to duplicate the code. 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate kstat_named_t * 59*0Sstevel@tonic-gate rpcstat_zone_init_common(zoneid_t zoneid, const char *module, const char *name, 60*0Sstevel@tonic-gate const kstat_named_t *template, size_t template_size) 61*0Sstevel@tonic-gate { 62*0Sstevel@tonic-gate kstat_t *ksp; 63*0Sstevel@tonic-gate kstat_named_t *ks_data; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate /* 67*0Sstevel@tonic-gate * PSARC 2001/697 Contract Private Interface 68*0Sstevel@tonic-gate * rpc_clts_client 69*0Sstevel@tonic-gate * rpc_cots_client 70*0Sstevel@tonic-gate * Changes must be reviewed by Solaris File Sharing 71*0Sstevel@tonic-gate * Changes must be communicated to contract-2001-697@sun.com 72*0Sstevel@tonic-gate * 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate ks_data = kmem_alloc(template_size, KM_SLEEP); 75*0Sstevel@tonic-gate bcopy(template, ks_data, template_size); 76*0Sstevel@tonic-gate if ((ksp = kstat_create_zone((char *)module, 0, (char *)name, "rpc", 77*0Sstevel@tonic-gate KSTAT_TYPE_NAMED, template_size / sizeof (kstat_named_t), 78*0Sstevel@tonic-gate KSTAT_FLAG_VIRTUAL | KSTAT_FLAG_WRITABLE, zoneid)) != NULL) { 79*0Sstevel@tonic-gate ksp->ks_data = ks_data; 80*0Sstevel@tonic-gate kstat_install(ksp); 81*0Sstevel@tonic-gate } 82*0Sstevel@tonic-gate return (ks_data); 83*0Sstevel@tonic-gate } 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate void 86*0Sstevel@tonic-gate rpcstat_zone_fini_common(zoneid_t zoneid, const char *module, const char *name) 87*0Sstevel@tonic-gate { 88*0Sstevel@tonic-gate kstat_delete_byname_zone((char *)module, 0, (char *)name, zoneid); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate static void * 92*0Sstevel@tonic-gate mt_kstat_zone_init(zoneid_t zoneid) 93*0Sstevel@tonic-gate { 94*0Sstevel@tonic-gate struct rpcstat *rpcstat; 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate rpcstat = kmem_alloc(sizeof (*rpcstat), KM_SLEEP); 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate clnt_clts_stats_init(zoneid, &rpcstat->rpc_clts_client); 99*0Sstevel@tonic-gate svc_clts_stats_init(zoneid, &rpcstat->rpc_clts_server); 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate clnt_cots_stats_init(zoneid, &rpcstat->rpc_cots_client); 102*0Sstevel@tonic-gate svc_cots_stats_init(zoneid, &rpcstat->rpc_cots_server); 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate return (rpcstat); 105*0Sstevel@tonic-gate } 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate /* 108*0Sstevel@tonic-gate * Deletes the previously allocated "rpc" kstats 109*0Sstevel@tonic-gate */ 110*0Sstevel@tonic-gate static void 111*0Sstevel@tonic-gate mt_kstat_zone_fini(zoneid_t zoneid, void *data) 112*0Sstevel@tonic-gate { 113*0Sstevel@tonic-gate struct rpcstat *rpcstat = data; 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate clnt_cots_stats_fini(zoneid, &rpcstat->rpc_cots_client); 116*0Sstevel@tonic-gate svc_cots_stats_fini(zoneid, &rpcstat->rpc_cots_server); 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate clnt_clts_stats_fini(zoneid, &rpcstat->rpc_clts_client); 119*0Sstevel@tonic-gate svc_clts_stats_fini(zoneid, &rpcstat->rpc_clts_server); 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate kmem_free(rpcstat, sizeof (*rpcstat)); 122*0Sstevel@tonic-gate } 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate void 125*0Sstevel@tonic-gate mt_kstat_init(void) 126*0Sstevel@tonic-gate { 127*0Sstevel@tonic-gate zone_key_create(&rpcstat_zone_key, mt_kstat_zone_init, NULL, 128*0Sstevel@tonic-gate mt_kstat_zone_fini); 129*0Sstevel@tonic-gate } 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate void 132*0Sstevel@tonic-gate mt_kstat_fini(void) 133*0Sstevel@tonic-gate { 134*0Sstevel@tonic-gate (void) zone_key_delete(rpcstat_zone_key); 135*0Sstevel@tonic-gate } 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate static bool_t clnt_xid_initialized = FALSE; 138*0Sstevel@tonic-gate static uint32_t clnt_xid = 0; /* transaction id used by all clients */ 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate uint32_t 141*0Sstevel@tonic-gate alloc_xid(void) 142*0Sstevel@tonic-gate { 143*0Sstevel@tonic-gate uint32_t xid; 144*0Sstevel@tonic-gate timestruc_t now; 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate /* 147*0Sstevel@tonic-gate * Do a one time initialzation to better utilize the number 148*0Sstevel@tonic-gate * space. 149*0Sstevel@tonic-gate */ 150*0Sstevel@tonic-gate mutex_enter(&xid_lock); 151*0Sstevel@tonic-gate if (clnt_xid_initialized == FALSE) { 152*0Sstevel@tonic-gate clnt_xid_initialized = TRUE; 153*0Sstevel@tonic-gate gethrestime(&now); 154*0Sstevel@tonic-gate clnt_xid = (uint32_t)((now.tv_sec << 20) | 155*0Sstevel@tonic-gate (now.tv_nsec >> 10)); 156*0Sstevel@tonic-gate } 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate xid = clnt_xid++; 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate /* 161*0Sstevel@tonic-gate * Don't return a zero xid. This could happen if the initialization 162*0Sstevel@tonic-gate * happens to return zero or if clnt_xid wraps. 163*0Sstevel@tonic-gate */ 164*0Sstevel@tonic-gate if (xid == 0) 165*0Sstevel@tonic-gate xid = clnt_xid++; 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate mutex_exit(&xid_lock); 168*0Sstevel@tonic-gate return (xid); 169*0Sstevel@tonic-gate } 170