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 2014 QLogic Corporation
24 * The contents of this file are subject to the terms of the
25 * QLogic End User License (the "License").
26 * You may not use this file except in compliance with the License.
27 *
28 * You can obtain a copy of the License at
29 * http://www.qlogic.com/Resources/Documents/DriverDownloadHelp/
30 * QLogic_End_User_Software_License.txt
31 * See the License for the specific language governing permissions
32 * and limitations under the License.
33 */
34
35 /*
36 * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
37 */
38
39 #include "bnxe.h"
40
41 #define BNXE_TIMER_INTERVAL 1000000 /* usecs (once a second for stats) */
42
43
BnxeTimer(void * pArg)44 static void BnxeTimer(void * pArg)
45 {
46 um_device_t * pUM = (um_device_t *)pArg;
47 lm_device_t * pLM = &pUM->lm_dev;
48
49 BNXE_LOCK_ENTER_TIMER(pUM);
50
51 if (pUM->timerEnabled != B_TRUE)
52 {
53 BNXE_LOCK_EXIT_TIMER(pUM);
54 return;
55 }
56
57 lm_stats_on_timer(pLM);
58
59 if (pUM->fmCapabilities &&
60 BnxeCheckAccHandle(pLM->vars.reg_handle[BAR_0]) != DDI_FM_OK)
61 {
62 ddi_fm_service_impact(pUM->pDev, DDI_SERVICE_UNAFFECTED);
63 }
64
65 if (pUM->phyInitialized)
66 {
67 BNXE_LOCK_ENTER_PHY(pUM);
68 lm_link_on_timer(pLM);
69 BNXE_LOCK_EXIT_PHY(pUM);
70 }
71
72 pUM->timerID = timeout(BnxeTimer, (void *)pUM,
73 drv_usectohz(BNXE_TIMER_INTERVAL));
74
75 BNXE_LOCK_EXIT_TIMER(pUM);
76 }
77
78
BnxeTimerStart(um_device_t * pUM)79 void BnxeTimerStart(um_device_t * pUM)
80 {
81 atomic_swap_32(&pUM->timerEnabled, B_TRUE);
82
83 pUM->lm_dev.vars.stats.stats_collect.timer_wakeup = 0; /* reset */
84
85 pUM->timerID = timeout(BnxeTimer, (void *)pUM,
86 drv_usectohz(BNXE_TIMER_INTERVAL));
87 }
88
89
BnxeTimerStop(um_device_t * pUM)90 void BnxeTimerStop(um_device_t * pUM)
91 {
92 atomic_swap_32(&pUM->timerEnabled, B_FALSE);
93
94 BNXE_LOCK_ENTER_TIMER(pUM);
95 BNXE_LOCK_EXIT_TIMER(pUM);
96
97 untimeout(pUM->timerID);
98 pUM->timerID = 0;
99 }
100
101