460cb5684c
Using a typedef for common code return types (rather than "int") allows the Prefast static analyser to understand when a function has been successful (and thus when its postconditions must hold). This greatly reduces then number of false positives reported by prefast for error paths in common code functions. Submitted by: Andy Moreton <amoreton at solarflare.com> Sponsored by: Solarflare Communications, Inc. MFC after: 2 days
347 lines
7.6 KiB
C
347 lines
7.6 KiB
C
/*-
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* Copyright (c) 2007-2015 Solarflare Communications Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are
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* those of the authors and should not be interpreted as representing official
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* policies, either expressed or implied, of the FreeBSD Project.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "efsys.h"
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#include "efx.h"
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#include "efx_types.h"
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#include "efx_regs.h"
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#include "efx_impl.h"
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#if EFSYS_OPT_MON_NULL
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#include "nullmon.h"
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#endif
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#if EFSYS_OPT_MON_LM87
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#include "lm87.h"
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#endif
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#if EFSYS_OPT_MON_MAX6647
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#include "max6647.h"
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#endif
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#if EFSYS_OPT_MON_MCDI
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#include "mcdi_mon.h"
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#endif
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#if EFSYS_OPT_NAMES
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static const char *__efx_mon_name[] = {
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"",
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"nullmon",
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"lm87",
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"max6647",
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"sfx90x0",
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"sfx91x0"
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};
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const char *
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efx_mon_name(
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__in efx_nic_t *enp)
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{
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efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
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EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
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EFSYS_ASSERT(encp->enc_mon_type != EFX_MON_INVALID);
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EFSYS_ASSERT3U(encp->enc_mon_type, <, EFX_MON_NTYPES);
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return (__efx_mon_name[encp->enc_mon_type]);
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}
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#endif /* EFSYS_OPT_NAMES */
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#if EFSYS_OPT_MON_NULL
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static efx_mon_ops_t __efx_mon_null_ops = {
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nullmon_reset, /* emo_reset */
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nullmon_reconfigure, /* emo_reconfigure */
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#if EFSYS_OPT_MON_STATS
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nullmon_stats_update /* emo_stats_update */
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#endif /* EFSYS_OPT_MON_STATS */
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};
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#endif
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#if EFSYS_OPT_MON_LM87
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static efx_mon_ops_t __efx_mon_lm87_ops = {
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lm87_reset, /* emo_reset */
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lm87_reconfigure, /* emo_reconfigure */
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#if EFSYS_OPT_MON_STATS
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lm87_stats_update /* emo_stats_update */
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#endif /* EFSYS_OPT_MON_STATS */
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};
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#endif
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#if EFSYS_OPT_MON_MAX6647
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static efx_mon_ops_t __efx_mon_max6647_ops = {
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max6647_reset, /* emo_reset */
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max6647_reconfigure, /* emo_reconfigure */
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#if EFSYS_OPT_MON_STATS
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max6647_stats_update /* emo_stats_update */
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#endif /* EFSYS_OPT_MON_STATS */
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};
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#endif
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#if EFSYS_OPT_MON_MCDI
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static efx_mon_ops_t __efx_mon_mcdi_ops = {
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NULL, /* emo_reset */
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NULL, /* emo_reconfigure */
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#if EFSYS_OPT_MON_STATS
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mcdi_mon_stats_update /* emo_stats_update */
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#endif /* EFSYS_OPT_MON_STATS */
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};
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#endif
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static efx_mon_ops_t *__efx_mon_ops[] = {
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NULL,
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#if EFSYS_OPT_MON_NULL
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&__efx_mon_null_ops,
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#else
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NULL,
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#endif
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#if EFSYS_OPT_MON_LM87
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&__efx_mon_lm87_ops,
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#else
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NULL,
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#endif
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#if EFSYS_OPT_MON_MAX6647
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&__efx_mon_max6647_ops,
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#else
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NULL,
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#endif
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#if EFSYS_OPT_MON_MCDI
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&__efx_mon_mcdi_ops,
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#else
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NULL,
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#endif
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#if EFSYS_OPT_MON_MCDI
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&__efx_mon_mcdi_ops
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#else
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NULL
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#endif
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};
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__checkReturn efx_rc_t
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efx_mon_init(
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__in efx_nic_t *enp)
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{
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efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
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efx_mon_t *emp = &(enp->en_mon);
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efx_mon_ops_t *emop;
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efx_rc_t rc;
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EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
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EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
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if (enp->en_mod_flags & EFX_MOD_MON) {
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rc = EINVAL;
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goto fail1;
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}
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enp->en_mod_flags |= EFX_MOD_MON;
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emp->em_type = encp->enc_mon_type;
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EFSYS_ASSERT(encp->enc_mon_type != EFX_MON_INVALID);
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EFSYS_ASSERT3U(emp->em_type, <, EFX_MON_NTYPES);
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if ((emop = (efx_mon_ops_t *)__efx_mon_ops[emp->em_type]) == NULL) {
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rc = ENOTSUP;
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goto fail2;
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}
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if (emop->emo_reset != NULL) {
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if ((rc = emop->emo_reset(enp)) != 0)
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goto fail3;
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}
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if (emop->emo_reconfigure != NULL) {
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if ((rc = emop->emo_reconfigure(enp)) != 0)
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goto fail4;
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}
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emp->em_emop = emop;
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return (0);
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fail4:
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EFSYS_PROBE(fail5);
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if (emop->emo_reset != NULL)
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(void) emop->emo_reset(enp);
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fail3:
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EFSYS_PROBE(fail4);
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fail2:
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EFSYS_PROBE(fail3);
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emp->em_type = EFX_MON_INVALID;
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enp->en_mod_flags &= ~EFX_MOD_MON;
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fail1:
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EFSYS_PROBE1(fail1, efx_rc_t, rc);
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return (rc);
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}
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#if EFSYS_OPT_MON_STATS
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#if EFSYS_OPT_NAMES
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/* START MKCONFIG GENERATED MonitorStatNamesBlock b9328f15438c4d01 */
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static const char *__mon_stat_name[] = {
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"value_2_5v",
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"value_vccp1",
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"value_vcc",
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"value_5v",
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"value_12v",
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"value_vccp2",
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"value_ext_temp",
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"value_int_temp",
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"value_ain1",
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"value_ain2",
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"controller_cooling",
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"ext_cooling",
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"1v",
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"1_2v",
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"1_8v",
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"3_3v",
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"1_2va",
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"vref",
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"vaoe",
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"aoe_temperature",
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"psu_aoe_temperature",
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"psu_temperature",
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"fan0",
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"fan1",
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"fan2",
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"fan3",
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"fan4",
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"vaoe_in",
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"iaoe",
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"iaoe_in",
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"nic_power",
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"0_9v",
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"i0_9v",
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"i1_2v",
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"0_9v_adc",
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"controller_temperature2",
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"vreg_temperature",
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"vreg_0_9v_temperature",
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"vreg_1_2v_temperature",
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"int_vptat",
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"controller_internal_adc_temperature",
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"ext_vptat",
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"controller_external_adc_temperature",
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"ambient_temperature",
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"airflow",
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"vdd08d_vss08d_csr",
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"vdd08d_vss08d_csr_extadc",
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"hotpoint_temperature",
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"phy_power_switch_port0",
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"phy_power_switch_port1",
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"mum_vcc",
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"0v9_a",
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"i0v9_a",
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"0v9_a_temp",
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"0v9_b",
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"i0v9_b",
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"0v9_b_temp",
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"ccom_avreg_1v2_supply",
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"ccom_avreg_1v2_supply_ext_adc",
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"ccom_avreg_1v8_supply",
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"ccom_avreg_1v8_supply_ext_adc",
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"controller_master_vptat",
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"controller_master_internal_temp",
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"controller_master_vptat_ext_adc",
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"controller_master_internal_temp_ext_adc",
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"controller_slave_vptat",
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"controller_slave_internal_temp",
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"controller_slave_vptat_ext_adc",
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"controller_slave_internal_temp_ext_adc",
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};
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/* END MKCONFIG GENERATED MonitorStatNamesBlock */
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extern const char *
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efx_mon_stat_name(
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__in efx_nic_t *enp,
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__in efx_mon_stat_t id)
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{
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_NOTE(ARGUNUSED(enp))
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EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
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EFSYS_ASSERT3U(id, <, EFX_MON_NSTATS);
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return (__mon_stat_name[id]);
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}
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#endif /* EFSYS_OPT_NAMES */
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__checkReturn efx_rc_t
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efx_mon_stats_update(
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__in efx_nic_t *enp,
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__in efsys_mem_t *esmp,
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__inout_ecount(EFX_MON_NSTATS) efx_mon_stat_value_t *values)
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{
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efx_mon_t *emp = &(enp->en_mon);
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efx_mon_ops_t *emop = emp->em_emop;
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EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
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EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MON);
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return (emop->emo_stats_update(enp, esmp, values));
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}
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#endif /* EFSYS_OPT_MON_STATS */
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void
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efx_mon_fini(
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__in efx_nic_t *enp)
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{
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efx_mon_t *emp = &(enp->en_mon);
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efx_mon_ops_t *emop = emp->em_emop;
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efx_rc_t rc;
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EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
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EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
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EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MON);
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emp->em_emop = NULL;
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if (emop->emo_reset != NULL) {
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rc = emop->emo_reset(enp);
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if (rc != 0)
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EFSYS_PROBE1(fail1, efx_rc_t, rc);
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}
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emp->em_type = EFX_MON_INVALID;
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enp->en_mod_flags &= ~EFX_MOD_MON;
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}
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