usr/src/cmd/mdb/sun4u/modules/lw8/sgenv/sgenv.c

   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 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/time.h>
  30 #include <sys/kstat.h>
  31 #include <sys/mdb_modapi.h>
  32
  33 #include <sys/sgenv.h>
  34
  35
  36 /*
  37  * This dcmd returns the values of the tunable variables in the Serengeti
  38  * environmental driver (SGENV).
  39  */
  40 /*ARGSUSED*/
  41 static int
  42 sgenv_parameters(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
  43 {
  44         int     mbox_wait_time;
  45         int     debug_flag;
  46
  47         int     err;
  48
  49         if ((flags & DCMD_ADDRSPEC) || argc != 0)
  50                 return (DCMD_USAGE);
  51
  52         mdb_printf("SGENV tunable parameters:\n");
  53         mdb_printf("=========================\n");
  54
  55         err = mdb_readvar(&mbox_wait_time, "sgenv_max_mbox_wait_time");
  56         if (err != -1) {
  57                 mdb_printf("sgenv_max_mbox_wait_time    = %d seconds\n",
  58                         mbox_wait_time);
  59         }
  60
  61         err = mdb_readvar(&debug_flag, "sgenv_debug");
  62         if (err != -1) {
  63                 mdb_printf("sgenv_debug                 = 0x%x\n", debug_flag);
  64         }
  65
  66         return (DCMD_OK);
  67 }
  68
  69
  70 /*
  71  * This dcmd prints the values of some of the module specific
  72  * variables in the Serengeti environmental driver (SGENV).
  73  */
  74 /*ARGSUSED*/
  75 static int
  76 sgenv_variables(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
  77 {
  78         size_t          env_cache_snapshot_size;
  79         int             env_cache_updated;
  80         int             env_writer_count;
  81
  82         int             board_cache_updated;
  83         int             board_count_snapshot;
  84         int             board_count;
  85         int             board_writer_count;
  86
  87         int             mbox_error_count;
  88
  89         int     rv;
  90
  91         if ((flags & DCMD_ADDRSPEC) || argc != 0)
  92                 return (DCMD_USAGE);
  93
  94         mdb_printf("\nSGENV module variables:\n");
  95         mdb_printf("=======================\n");
  96
  97         mdb_printf("\nEnvironmental variables:\n");
  98         mdb_printf("------------------------\n");
  99         rv = mdb_readvar(&env_cache_updated, "env_cache_updated");
 100         if (rv == sizeof (env_cache_updated)) {
 101                 mdb_printf("env_cache_updated\t\t= %s\n",
 102                         (env_cache_updated ? "TRUE": "FALSE"));
 103         }
 104
 105         rv = mdb_readvar(&env_writer_count, "env_writer_count");
 106         if (rv == sizeof (env_writer_count)) {
 107                 mdb_printf("env_writer_count\t\t= %d\n", env_writer_count);
 108         }
 109
 110         rv = mdb_readvar(&env_cache_snapshot_size, "env_cache_snapshot_size");
 111         if (rv == sizeof (env_cache_snapshot_size)) {
 112                 mdb_printf("env_cache_snapshot_size\t\t= %d\n",
 113                         env_cache_snapshot_size);
 114         }
 115
 116         mdb_printf("\nBoard info variables:\n");
 117         mdb_printf("---------------------\n");
 118         rv = mdb_readvar(&board_cache_updated, "board_cache_updated");
 119         if (rv == sizeof (board_cache_updated)) {
 120                 mdb_printf("board_cache_updated\t\t= %s\n",
 121                         (board_cache_updated ? "TRUE": "FALSE"));
 122         }
 123
 124         rv = mdb_readvar(&board_writer_count, "board_writer_count");
 125         if (rv == sizeof (board_writer_count)) {
 126                 mdb_printf("board_writer_count\t\t= %d\n", board_writer_count);
 127         }
 128
 129         rv = mdb_readvar(&board_count, "board_count");
 130         if (rv == sizeof (board_count)) {
 131                 mdb_printf("board_count\t\t\t= %d\n", board_count);
 132         }
 133
 134         rv = mdb_readvar(&board_count_snapshot, "board_count_snapshot");
 135         if (rv == sizeof (board_count_snapshot)) {
 136                 mdb_printf("board_count_snapshot\t\t= %d\n",
 137                         board_count_snapshot);
 138         }
 139
 140         mdb_printf("\nError variables:\n");
 141         mdb_printf("----------------\n");
 142         rv = mdb_readvar(&mbox_error_count, "sgenv_mbox_error_count");
 143         if (rv == sizeof (mbox_error_count)) {
 144                 mdb_printf("mbox_error_count\t\t= %d\n", mbox_error_count);
 145         }
 146
 147         mdb_printf("\n");
 148
 149         return (DCMD_OK);
 150 }
 151
 152 /*ARGSUSED2*/
 153 int
 154 sgenv_env_sensor(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
 155 {
 156         env_sensor_t    value;
 157
 158         int     rv;
 159
 160         if ((flags & DCMD_ADDRSPEC) == 0) {
 161                 mdb_warn("sgenv_env_sensor: requires an address");
 162                 return (DCMD_ERR);
 163         }
 164
 165         rv = mdb_vread(&value, sizeof (env_sensor_t), addr);
 166         if (rv != sizeof (env_sensor_t)) {
 167                 mdb_warn("sgenv_env_sensor: Failed read on "
 168                         "address %ll#r", addr);
 169                 return (DCMD_ERR);
 170         }
 171         mdb_printf("---------- struct_env_sensor @ %ll#r ----------\n", addr);
 172
 173         mdb_printf("sd_id: %29ll#x\n", value.sd_id);
 174         mdb_printf("sd_value: %26lld\n", value.sd_value);
 175         mdb_printf("sd_lo: %29lld\n", value.sd_lo);
 176         mdb_printf("sd_hi: %29lld\n", value.sd_hi);
 177         mdb_printf("sd_lo_warn: %24lld\n", value.sd_lo_warn);
 178         mdb_printf("sd_hi_warn: %24lld\n", value.sd_hi_warn);
 179         mdb_printf("sd_status: %25ll#x\n", value.sd_status);
 180
 181         return (DCMD_OK);
 182 }
 183
 184 /*
 185  * MDB module linkage information:
 186  */
 187
 188 static const mdb_dcmd_t dcmds[] = {{
 189                 "sgenv_parameters",
 190                 NULL,
 191                 "print environmental driver tunable parameters",
 192                 sgenv_parameters
 193         }, {
 194                 "sgenv_variables",
 195                 NULL,
 196                 "print environmental driver variables",
 197                 sgenv_variables
 198         }, {
 199                 "sgenv_env_sensor",
 200                 NULL,
 201                 "print contents of environmental sesnor",
 202                 sgenv_env_sensor },
 203         { NULL }
 204 };
 205
 206 static const mdb_modinfo_t modinfo = {
 207         MDB_API_VERSION, dcmds, NULL
 208 };
 209
 210 const mdb_modinfo_t *
 211 _mdb_init(void)
 212 {
 213         return (&modinfo);
 214 }