1 /*-
2 * Copyright(c) 2002-2011 Exar Corp.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification are permitted provided the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the Exar Corporation nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 /*$FreeBSD$*/
32
33 #include <dev/vxge/vxgehal/vxgehal.h>
34
35 static __hal_driver_t g_driver;
36 __hal_driver_t *g_vxge_hal_driver;
37
38 #if defined(VXGE_OS_MEMORY_CHECK)
39 vxge_os_malloc_t g_malloc_arr[VXGE_OS_MALLOC_CNT_MAX];
40 u32 g_malloc_cnt;
41
42 #endif
43
44 /*
45 * Runtime tracing support
46 */
47 u32 g_debug_level;
48
49 /*
50 * vxge_hal_driver_initialize - Initialize HAL.
51 * @config: HAL configuration, see vxge_hal_driver_config_t {}.
52 * @uld_callbacks: Upper-layer driver callbacks, e.g. link-up.
53 *
54 * HAL initialization entry point. Not to confuse with device initialization
55 * (note that HAL "contains" zero or more X3100 devices).
56 *
57 * Returns: VXGE_HAL_OK - success;
58 * VXGE_HAL_ERR_BAD_DRIVER_CONFIG - Driver configuration params invalid.
59 *
60 * See also: vxge_hal_device_initialize(), vxge_hal_status_e {},
61 * vxge_hal_uld_cbs_t {}.
62 */
63 vxge_hal_status_e
vxge_hal_driver_initialize(vxge_hal_driver_config_t * config,vxge_hal_uld_cbs_t * uld_callbacks)64 vxge_hal_driver_initialize(
65 vxge_hal_driver_config_t *config,
66 vxge_hal_uld_cbs_t *uld_callbacks)
67 {
68 vxge_hal_status_e status;
69 g_vxge_hal_driver = &g_driver;
70
71 if ((status = vxge_hal_driver_config_check(config)) != VXGE_HAL_OK)
72 return (status);
73
74 vxge_os_memzero(g_vxge_hal_driver, sizeof(__hal_driver_t));
75
76 /* apply config */
77 vxge_os_memcpy(&g_vxge_hal_driver->config, config,
78 sizeof(vxge_hal_driver_config_t));
79
80 /* apply ULD callbacks */
81 vxge_os_memcpy(&g_vxge_hal_driver->uld_callbacks, uld_callbacks,
82 sizeof(vxge_hal_uld_cbs_t));
83
84 vxge_hal_driver_debug_set(config->level);
85
86 g_vxge_hal_driver->is_initialized = 1;
87
88 return (VXGE_HAL_OK);
89 }
90
91 /*
92 * vxge_hal_driver_terminate - Terminate HAL.
93 *
94 * HAL termination entry point.
95 *
96 * See also: vxge_hal_device_terminate().
97 */
98 void
vxge_hal_driver_terminate(void)99 vxge_hal_driver_terminate(void)
100 {
101 g_vxge_hal_driver->is_initialized = 0;
102
103 g_vxge_hal_driver = NULL;
104
105 #if defined(VXGE_OS_MEMORY_CHECK)
106 if (TRUE) {
107 u32 i, leaks = 0;
108
109 vxge_os_printf("OSPAL: max g_malloc_cnt %d\n", g_malloc_cnt);
110 for (i = 0; i < g_malloc_cnt; i++) {
111 if (g_malloc_arr[i].ptr != NULL) {
112 vxge_os_printf("OSPAL: memory leak detected at "
113 "%s:%lu:"VXGE_OS_LLXFMT":%lu\n",
114 g_malloc_arr[i].file,
115 g_malloc_arr[i].line,
116 (u64) (ptr_t) g_malloc_arr[i].ptr,
117 g_malloc_arr[i].size);
118 leaks++;
119 }
120 }
121 if (leaks) {
122 vxge_os_printf("OSPAL: %d memory leaks detected\n",
123 leaks);
124 } else {
125 vxge_os_println("OSPAL: no memory leaks detected\n");
126 }
127 }
128 #endif
129 }
130
131 /*
132 * vxge_hal_driver_debug_set - Set the debug module, level and timestamp
133 * @level: Debug level as defined in enum vxge_debug_level_e
134 *
135 * This routine is used to dynamically change the debug output
136 */
137 void
vxge_hal_driver_debug_set(vxge_debug_level_e level)138 vxge_hal_driver_debug_set(
139 vxge_debug_level_e level)
140 {
141 g_vxge_hal_driver->debug_level = level;
142 g_debug_level = 0;
143
144 switch (level) {
145 /* FALLTHRU */
146
147 case VXGE_TRACE:
148 g_debug_level |= VXGE_TRACE;
149 /* FALLTHRU */
150
151 case VXGE_INFO:
152 g_debug_level |= VXGE_INFO;
153 /* FALLTHRU */
154
155 case VXGE_ERR:
156 g_debug_level |= VXGE_ERR;
157 /* FALLTHRU */
158
159 default:
160 break;
161 }
162 }
163
164 /*
165 * vxge_hal_driver_debug_get - Get the debug level
166 *
167 * This routine returns the current debug level set
168 */
169 u32
vxge_hal_driver_debug_get(void)170 vxge_hal_driver_debug_get(void)
171 {
172 return (g_vxge_hal_driver->debug_level);
173 }
174