xref: /freebsd/sys/dev/smartpqi/smartpqi_misc.c (revision b00ab754)
1 /*-
2  * Copyright (c) 2018 Microsemi Corporation.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 /* $FreeBSD$ */
28 
29 #include "smartpqi_includes.h"
30 
31 /*
32  * Populate hostwell time variables in bcd format from FreeBSD format
33  */
34 void os_get_time(struct bmic_host_wellness_time *host_wellness_time)
35 {
36 	struct timespec ts;
37 	struct clocktime ct;
38 
39 	getnanotime(&ts);
40 	clock_ts_to_ct(&ts, &ct);
41 
42 
43 	/* Fill the time In BCD Format */
44 	host_wellness_time->hour= (uint8_t)bin2bcd(ct.hour);
45 	host_wellness_time->min = (uint8_t)bin2bcd(ct.min);
46 	host_wellness_time->sec= (uint8_t)bin2bcd(ct.sec);
47 	host_wellness_time->reserved = 0;
48 	host_wellness_time->month = (uint8_t)bin2bcd(ct.mon);
49 	host_wellness_time->day = (uint8_t)bin2bcd(ct.day);
50 	host_wellness_time->century = (uint8_t)bin2bcd(ct.year / 100);
51 	host_wellness_time->year = (uint8_t)bin2bcd(ct.year % 100);
52 
53 }
54 
55 /*
56  * Update host time to f/w every 24 hours in a periodic timer.
57  */
58 
59 void os_wellness_periodic(void *data)
60 {
61 	struct pqisrc_softstate *softs = (struct pqisrc_softstate *)data;
62 	int ret = 0;
63 
64 
65 	/* update time to FW */
66 	if (!pqisrc_ctrl_offline(softs)){
67 		if( (ret = pqisrc_write_current_time_to_host_wellness(softs)) != 0 )
68 			DBG_ERR("Failed to update time to FW in periodic ret = %d\n", ret);
69 	}
70 
71 	/* reschedule ourselves */
72 	softs->os_specific.wellness_periodic = timeout(os_wellness_periodic,
73 					softs, OS_HOST_WELLNESS_TIMEOUT * hz);
74 }
75 
76 /*
77  * Routine used to stop the heart-beat timer
78  */
79 void os_stop_heartbeat_timer(pqisrc_softstate_t *softs)
80 {
81 	DBG_FUNC("IN\n");
82 
83 	/* Kill the heart beat event */
84 	untimeout(os_start_heartbeat_timer, softs,
85 			softs->os_specific.heartbeat_timeout_id);
86 
87 	DBG_FUNC("OUT\n");
88 }
89 
90 /*
91  * Routine used to start the heart-beat timer
92  */
93 void os_start_heartbeat_timer(void *data)
94 {
95 	struct pqisrc_softstate *softs = (struct pqisrc_softstate *)data;
96 	DBG_FUNC("IN\n");
97 
98 	pqisrc_heartbeat_timer_handler(softs);
99 	if (!pqisrc_ctrl_offline(softs)) {
100 		softs->os_specific.heartbeat_timeout_id =
101 		timeout(os_start_heartbeat_timer, softs,
102 		OS_FW_HEARTBEAT_TIMER_INTERVAL * hz);
103 	}
104 
105        DBG_FUNC("OUT\n");
106 }
107 
108 /*
109  * Mutex initialization function
110  */
111 int os_init_spinlock(struct pqisrc_softstate *softs, struct mtx *lock,
112 			char *lockname)
113 {
114     mtx_init(lock, lockname, NULL, MTX_SPIN);
115     return 0;
116 
117 }
118 
119 /*
120  * Mutex uninitialization function
121  */
122 void os_uninit_spinlock(struct mtx *lock)
123 {
124     mtx_destroy(lock);
125     return;
126 
127 }
128 
129 /*
130  * Semaphore initialization function
131  */
132 int os_create_semaphore(const char *name, int value, struct sema *sema)
133 {
134     sema_init(sema, value, name);
135     return PQI_STATUS_SUCCESS;
136 
137 }
138 
139 /*
140  * Semaphore uninitialization function
141  */
142 int os_destroy_semaphore(struct sema *sema)
143 {
144     sema_destroy(sema);
145     return PQI_STATUS_SUCCESS;
146 
147 }
148 
149 /*
150  * Semaphore grab function
151  */
152 void inline os_sema_lock(struct sema *sema)
153 {
154 	sema_post(sema);
155 }
156 
157 /*
158  * Semaphore release function
159  */
160 void inline os_sema_unlock(struct sema *sema)
161 {
162 	sema_wait(sema);
163 }
164 
165 
166 /*
167  * string copy wrapper function
168  */
169 int os_strlcpy(char *dst, char *src, int size)
170 {
171 	return strlcpy(dst, src, size);
172 }
173