1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_DAMAP_IMPL_H 28 #define _SYS_DAMAP_IMPL_H 29 30 #include <sys/isa_defs.h> 31 #include <sys/dditypes.h> 32 #include <sys/time.h> 33 #include <sys/cmn_err.h> 34 #include <sys/ddi_impldefs.h> 35 #include <sys/ddi_implfuncs.h> 36 #include <sys/ddi_isa.h> 37 #include <sys/model.h> 38 #include <sys/devctl.h> 39 #include <sys/nvpair.h> 40 #include <sys/sysevent.h> 41 #include <sys/bitset.h> 42 #include <sys/sdt.h> 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 typedef struct dam dam_t; 49 50 /* 51 * activate_cb: Provider callback when reported address is activated 52 * deactivate_cb: Provider callback when address has been released 53 * 54 * configure_cb: Class callout to configure newly activated addresses 55 * unconfig_cb: Class callout to unconfigure deactivated addresses 56 */ 57 typedef void (*activate_cb_t)(void *, char *addr, int idx, void **privp); 58 typedef void (*deactivate_cb_t)(void *, char *addr, int idx, void *priv); 59 60 typedef int (*configure_cb_t)(void *, dam_t *mapp, id_t map_id); 61 typedef int (*unconfig_cb_t)(void *, dam_t *mapp, id_t map_id); 62 63 64 struct dam { 65 char *dam_name; 66 int dam_flags; /* map state and cv flags */ 67 int dam_options; /* map options */ 68 int dam_rptmode; /* report mode */ 69 clock_t dam_stabletmo; /* stabilization (ticks) */ 70 uint_t dam_size; /* max index for addr hash */ 71 id_t dam_high; /* highest index allocated */ 72 timeout_id_t dam_tid; /* timeout(9F) ID */ 73 74 void *dam_activate_arg; /* activation private */ 75 activate_cb_t dam_activate_cb; /* activation callback */ 76 deactivate_cb_t dam_deactivate_cb; /* deactivation callback */ 77 78 void *dam_config_arg; /* config-private */ 79 configure_cb_t dam_configure_cb; /* configure callout */ 80 unconfig_cb_t dam_unconfig_cb; /* unconfigure callout */ 81 82 ddi_strid *dam_addr_hash; /* addresss to ID hash */ 83 bitset_t dam_active_set; /* activated address set */ 84 bitset_t dam_stable_set; /* stable address set */ 85 bitset_t dam_report_set; /* reported address set */ 86 void *dam_da; /* per-address soft state */ 87 hrtime_t dam_last_update; /* last map update */ 88 hrtime_t dam_last_stable; /* last map stable */ 89 int dam_stable_cnt; /* # of times map stabilized */ 90 int dam_stable_overrun; 91 kcondvar_t dam_cv; 92 kmutex_t dam_lock; 93 kstat_t *dam_kstatsp; 94 }; 95 96 #define DAM_SPEND 0x10 /* stable pending */ 97 #define DAM_DESTROYPEND 0x20 /* in process of being destroyed */ 98 #define DAM_SETADD 0x100 /* fullset update pending */ 99 100 /* 101 * per address softstate stucture 102 */ 103 typedef struct { 104 uint_t da_flags; /* flags */ 105 int da_jitter; /* address re-report count */ 106 int da_ref; /* refcount on address */ 107 void *da_ppriv; /* stable provider private */ 108 void *da_cfg_priv; /* config/unconfig private */ 109 nvlist_t *da_nvl; /* stable nvlist */ 110 void *da_ppriv_rpt; /* reported provider-private */ 111 nvlist_t *da_nvl_rpt; /* reported nvlist */ 112 int64_t da_deadline; /* lbolt64 value when stable */ 113 hrtime_t da_last_report; /* timestamp of last report */ 114 int da_report_cnt; /* # of times address reported */ 115 hrtime_t da_last_stable; /* timestamp of last stable address */ 116 int da_stable_cnt; /* # of times address has stabilized */ 117 char *da_addr; /* string in dam_addr_hash (for mdb) */ 118 } dam_da_t; 119 120 /* 121 * dam_da_t.da_flags 122 */ 123 #define DA_INIT 0x1 /* address initizized */ 124 #define DA_FAILED_CONFIG 0x2 /* address failed configure */ 125 #define DA_RELE 0x4 /* adddress released */ 126 127 128 /* 129 * report type 130 */ 131 #define RPT_ADDR_ADD 0 132 #define RPT_ADDR_DEL 1 133 134 #define DAM_IN_REPORT(m, i) (bitset_in_set(&(m)->dam_report_set, (i))) 135 #define DAM_IS_STABLE(m, i) (bitset_in_set(&(m)->dam_active_set, (i))) 136 137 /* 138 * DAM statistics 139 */ 140 struct dam_kstats { 141 struct kstat_named dam_cycles; 142 struct kstat_named dam_overrun; 143 struct kstat_named dam_jitter; 144 struct kstat_named dam_active; 145 }; 146 147 #ifdef __cplusplus 148 } 149 #endif 150 151 #endif /* _SYS_DAMAP_IMPL_H */ 152