vxgehal-driver.c revision 256281
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: stable/10/sys/dev/vxge/vxgehal/vxgehal-driver.c 221167 2011-04-28 14:33:15Z gnn $*/ 32 33#include <dev/vxge/vxgehal/vxgehal.h> 34 35static __hal_driver_t g_driver; 36__hal_driver_t *g_vxge_hal_driver; 37 38#if defined(VXGE_OS_MEMORY_CHECK) 39vxge_os_malloc_t g_malloc_arr[VXGE_OS_MALLOC_CNT_MAX]; 40u32 g_malloc_cnt; 41 42#endif 43 44/* 45 * Runtime tracing support 46 */ 47u32 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 */ 63vxge_hal_status_e 64vxge_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 */ 98void 99vxge_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 */ 137void 138vxge_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 */ 169u32 170vxge_hal_driver_debug_get(void) 171{ 172 return (g_vxge_hal_driver->debug_level); 173} 174