1 | /* |
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2 | * DRVMGR Command Implementation |
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3 | * |
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4 | * COPYRIGHT (c) 2010. |
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5 | * Cobham Gaisler AB. |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | */ |
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11 | |
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12 | #ifdef HAVE_CONFIG_H |
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13 | #include "config.h" |
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14 | #endif |
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15 | |
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16 | #include <limits.h> |
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17 | #include <stdlib.h> |
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18 | #include <stdio.h> |
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19 | #include <string.h> |
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20 | #include <errno.h> |
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21 | #include <drvmgr/drvmgr.h> |
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22 | |
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23 | #include <rtems.h> |
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24 | #include <rtems/shell.h> |
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25 | #include "internal.h" |
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26 | |
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27 | static void usage(void); |
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28 | |
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29 | static void *get_obj_adr(char *arg) |
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30 | { |
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31 | unsigned long obj_adr; |
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32 | |
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33 | obj_adr = strtoul(arg, NULL, 16); |
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34 | if (obj_adr == ULONG_MAX || obj_adr == 0) { |
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35 | puts(" Not a valid ID"); |
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36 | return NULL; |
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37 | } |
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38 | |
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39 | return (void *)obj_adr; |
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40 | } |
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41 | |
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42 | /* General info, root bus, number of devices etc. */ |
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43 | static void show_drvmgr_info(void) |
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44 | { |
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45 | drvmgr_summary(); |
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46 | drvmgr_print_devs(PRINT_DEVS_ALL); |
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47 | } |
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48 | |
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49 | static int shell_drvmgr_topo(int argc, char *argv[]) |
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50 | { |
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51 | drvmgr_print_topo(); |
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52 | return 0; |
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53 | } |
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54 | |
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55 | static int shell_drvmgr_short(int argc, char *argv[]) |
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56 | { |
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57 | void *obj; |
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58 | |
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59 | if (argc < 2) |
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60 | return -1; |
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61 | if (argc < 3) { |
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62 | /* All Devices */ |
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63 | drvmgr_info_drvs(0); |
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64 | drvmgr_info_buses(0); |
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65 | drvmgr_info_devs(OPTION_DEV_GENINFO); |
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66 | return 0; |
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67 | } |
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68 | |
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69 | /* Get ID from string */ |
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70 | obj = get_obj_adr(argv[2]); |
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71 | if (!obj) |
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72 | return -3; |
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73 | |
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74 | drvmgr_info(obj, OPTION_DEV_GENINFO); |
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75 | |
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76 | return 0; |
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77 | } |
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78 | |
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79 | static int shell_drvmgr_info(int argc, char *argv[]) |
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80 | { |
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81 | void *obj; |
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82 | |
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83 | if (argc < 2) |
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84 | return -1; |
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85 | if (argc < 3) { |
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86 | /* All Drivers, Buses and Devices */ |
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87 | drvmgr_info_drvs(OPTION_INFO_ALL); |
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88 | drvmgr_info_buses(OPTION_INFO_ALL); |
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89 | drvmgr_info_devs(OPTION_INFO_ALL); |
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90 | return 0; |
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91 | } |
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92 | |
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93 | /* Get ID from string */ |
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94 | obj = get_obj_adr(argv[2]); |
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95 | if (!obj) |
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96 | return -3; |
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97 | |
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98 | drvmgr_info(obj, OPTION_INFO_ALL); |
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99 | |
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100 | return 0; |
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101 | } |
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102 | |
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103 | static int shell_drvmgr_remove(int argc, char *argv[]) |
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104 | { |
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105 | puts(" Not implemented"); |
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106 | return 0; |
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107 | } |
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108 | |
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109 | static int shell_drvmgr_parent(int argc, char *argv[]) |
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110 | { |
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111 | void *obj; |
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112 | int obj_type; |
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113 | struct drvmgr_dev *dev; |
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114 | struct drvmgr_bus *bus; |
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115 | |
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116 | /* Get ID from string */ |
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117 | if (argc < 3) |
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118 | return -2; |
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119 | obj = get_obj_adr(argv[2]); |
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120 | if (!obj) |
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121 | return -3; |
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122 | |
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123 | obj_type = *(int *)obj; |
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124 | if (obj_type == DRVMGR_OBJ_BUS) { |
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125 | bus = obj; |
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126 | if (!bus->dev) { |
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127 | puts(" bus has no bridge device"); |
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128 | } else if(!bus->dev->parent) { |
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129 | puts(" bridge device has no parent"); |
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130 | } else { |
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131 | dev = bus->dev; |
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132 | printf(" BUSID=%p\n", dev->parent); |
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133 | } |
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134 | } else if (obj_type == DRVMGR_OBJ_DEV) { |
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135 | dev = obj; |
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136 | if (!dev->parent) { |
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137 | puts(" device has no parent bus"); |
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138 | } else { |
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139 | printf(" BUSID=%p\n", dev->parent); |
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140 | } |
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141 | } else { |
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142 | puts(" ID is not a device or bus"); |
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143 | return 1; |
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144 | } |
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145 | |
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146 | return 0; |
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147 | } |
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148 | |
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149 | static void shell_drvmgr_print_key_array(struct drvmgr_key *keys) |
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150 | { |
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151 | struct drvmgr_key *key; |
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152 | static char *type_strs[4] = {"UNKNOWN","INTEGER","STRING ","POINTER"}; |
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153 | enum drvmgr_kt type; |
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154 | union drvmgr_key_value *val; |
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155 | |
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156 | if (keys == NULL) { |
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157 | printf(" DEV HAS NO KEYS\n"); |
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158 | return; |
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159 | } |
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160 | |
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161 | key = &keys[0]; |
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162 | while (key->key_type != DRVMGR_KT_NONE) { |
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163 | if (key->key_type > DRVMGR_KT_POINTER) |
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164 | type = DRVMGR_KT_NONE; |
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165 | else |
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166 | type = key->key_type; |
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167 | printf(" NAME=%-14s TYPE=%s VALUE=", key->key_name, type_strs[type]); |
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168 | val = &key->key_value; |
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169 | switch (type) { |
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170 | default: |
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171 | case DRVMGR_KT_NONE: |
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172 | case DRVMGR_KT_INT: |
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173 | printf("0x%x (%d)\n", val->i, val->i); |
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174 | break; |
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175 | case DRVMGR_KT_STRING: |
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176 | printf("%s\n", val->str); |
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177 | break; |
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178 | case DRVMGR_KT_POINTER: |
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179 | printf("%p\n", val->ptr); |
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180 | break; |
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181 | } |
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182 | key++; |
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183 | } |
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184 | } |
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185 | |
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186 | static void shell_drvmgr_print_res_array(struct drvmgr_drv_res *resources) |
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187 | { |
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188 | struct drvmgr_drv_res *res = &resources[0]; |
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189 | struct drvmgr_drv *drv; |
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190 | char *drv_name; |
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191 | |
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192 | while (res->drv_id) { |
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193 | /* Find Driver in order to print name of driver */ |
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194 | drv = drvmgr_drv_by_id(res->drv_id); |
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195 | if (drv && drv->name) |
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196 | drv_name = drv->name; |
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197 | else |
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198 | drv_name = "UNKNOWN"; |
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199 | printf(" RESOURCES FOR DEVICE[%02d] DRIVER[0x%llx (%s)]\n", |
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200 | res->minor_bus, res->drv_id, drv_name); |
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201 | shell_drvmgr_print_key_array(res->keys); |
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202 | res++; |
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203 | } |
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204 | } |
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205 | |
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206 | static int shell_drvmgr_res(int argc, char *argv[]) |
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207 | { |
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208 | void *obj; |
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209 | int obj_type; |
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210 | struct drvmgr_dev *dev; |
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211 | struct drvmgr_bus *bus; |
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212 | struct drvmgr_key *keys; |
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213 | struct drvmgr_bus_res *lst; |
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214 | int i; |
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215 | |
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216 | /* Get ID from string */ |
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217 | if (argc < 3) |
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218 | return -2; |
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219 | obj = get_obj_adr(argv[2]); |
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220 | if (!obj) |
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221 | return -3; |
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222 | |
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223 | obj_type = *(int *)obj; |
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224 | if (obj_type == DRVMGR_OBJ_BUS) { |
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225 | bus = obj; |
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226 | lst = bus->reslist; |
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227 | if (lst == NULL) { |
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228 | puts(" BUS does not have resources\n"); |
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229 | return 0; |
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230 | } |
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231 | i = 0; |
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232 | while (lst) { |
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233 | printf(" -- RESOURCES ARRAY %d --\n", i); |
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234 | shell_drvmgr_print_res_array(lst->resource); |
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235 | puts(""); |
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236 | i++; |
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237 | lst = lst->next; |
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238 | } |
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239 | } else if (obj_type == DRVMGR_OBJ_DEV) { |
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240 | dev = obj; |
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241 | if (dev->drv == NULL) { |
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242 | puts(" DEVICE has no driver ==> resources not available\n"); |
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243 | return 0; |
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244 | } |
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245 | drvmgr_keys_get(dev, &keys); |
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246 | if (keys == NULL) { |
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247 | puts(" DEVICE does not have resources\n"); |
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248 | return 0; |
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249 | } |
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250 | shell_drvmgr_print_key_array(keys); |
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251 | } else { |
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252 | puts(" ID is not a device or bus"); |
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253 | return 1; |
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254 | } |
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255 | |
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256 | return 0; |
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257 | } |
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258 | |
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259 | static int shell_drvmgr_buses(int argc, char *argv[]) |
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260 | { |
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261 | drvmgr_info_buses(OPTION_INFO_ALL); |
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262 | return 0; |
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263 | } |
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264 | |
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265 | static int shell_drvmgr_devs(int argc, char *argv[]) |
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266 | { |
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267 | drvmgr_info_devs(OPTION_INFO_ALL); |
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268 | return 0; |
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269 | } |
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270 | |
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271 | static int shell_drvmgr_drvs(int argc, char *argv[]) |
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272 | { |
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273 | drvmgr_info_drvs(OPTION_INFO_ALL); |
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274 | return 0; |
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275 | } |
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276 | |
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277 | static int shell_drvmgr_mem(int argc, char *argv[]) |
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278 | { |
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279 | drvmgr_print_mem(); |
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280 | return 0; |
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281 | } |
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282 | |
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283 | static int shell_drvmgr_translate(int argc, char *argv[]) |
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284 | { |
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285 | int rc, rev, up, obj_type; |
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286 | void *obj, *dst; |
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287 | unsigned long src, tmp; |
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288 | |
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289 | if (argc != 5) |
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290 | return -1; |
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291 | |
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292 | obj = get_obj_adr(argv[2]); |
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293 | if (!obj) |
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294 | return -3; |
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295 | |
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296 | obj_type = *(int *)obj; |
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297 | if (obj_type != DRVMGR_OBJ_DEV) { |
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298 | puts(" ID is not a device\n"); |
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299 | return 0; |
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300 | } |
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301 | |
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302 | tmp = strtoul(argv[3], NULL, 0); |
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303 | if (tmp > 3) { |
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304 | puts(" Not a valid option OPT, only [0..3] is valid"); |
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305 | return 0; |
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306 | } |
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307 | rev = tmp & DRVMGR_TR_REVERSE; |
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308 | up = tmp & DRVMGR_TR_PATH; |
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309 | |
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310 | src = strtoul(argv[4], NULL, 0); |
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311 | if (src == ULONG_MAX && errno == ERANGE) { |
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312 | puts(" Not a valid source address"); |
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313 | return 0; |
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314 | } |
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315 | |
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316 | rc = drvmgr_translate((struct drvmgr_dev *)obj, up | rev, (void *)src, &dst); |
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317 | if (rc == 0) |
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318 | printf(" Address %p could not be translated\n", (void *)src); |
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319 | else if (rc == 0xffffffff) |
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320 | printf(" %p => %p (no translation required)\n", (void *)src, dst); |
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321 | else |
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322 | printf(" %p => %p (map size 0x%x)\n", (void *)src, dst, rc); |
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323 | |
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324 | return 0; |
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325 | } |
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326 | |
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327 | static const char drvmgr_usage_str[] = |
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328 | " usage:\n" |
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329 | " drvmgr buses List bus specfic information on all buses\n" |
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330 | " drvmgr devs List general and driver specfic information\n" |
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331 | " about all devices\n" |
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332 | " drvmgr drvs List driver specfic information on all drivers\n" |
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333 | " drvmgr info [ID] List general and driver specfic information\n" |
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334 | " about all devices or one device, bus or driver\n" |
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335 | " drvmgr mem Dynamically memory usage\n" |
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336 | " drvmgr parent ID Short info about parent bus of a device\n" |
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337 | " drvmgr remove ID Remove a device or a bus\n" |
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338 | " drvmgr res ID List Resources of a device or bus\n" |
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339 | " drvmgr short [ID] Short info about all devices/buses or one\n" |
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340 | " device/bus\n" |
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341 | " drvmgr topo Show bus topology with all devices\n" |
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342 | " drvmgr tr ID OPT ADR Translate ADR down(0)/up(1) -streams (OPT bit 1) in\n" |
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343 | " std(0)/reverse(1) (OPT bit 0) direction for device\n" |
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344 | " drvmgr --help\n"; |
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345 | |
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346 | static void usage(void) |
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347 | { |
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348 | puts(drvmgr_usage_str); |
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349 | } |
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350 | |
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351 | static int shell_drvmgr_usage(int argc, char *argv[]) |
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352 | { |
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353 | usage(); |
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354 | return 0; |
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355 | } |
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356 | |
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357 | struct shell_drvmgr_modifier { |
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358 | char *name; |
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359 | int (*func)(int argc, char *argv[]); |
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360 | }; |
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361 | |
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362 | #define MODIFIER_NUM 12 |
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363 | static struct shell_drvmgr_modifier shell_drvmgr_modifiers[MODIFIER_NUM] = |
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364 | { |
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365 | {"buses", shell_drvmgr_buses}, |
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366 | {"devs", shell_drvmgr_devs}, |
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367 | {"drvs", shell_drvmgr_drvs}, |
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368 | {"info", shell_drvmgr_info}, |
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369 | {"mem", shell_drvmgr_mem}, |
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370 | {"parent", shell_drvmgr_parent}, |
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371 | {"remove", shell_drvmgr_remove}, |
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372 | {"res", shell_drvmgr_res}, |
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373 | {"short", shell_drvmgr_short}, |
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374 | {"topo", shell_drvmgr_topo}, |
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375 | {"tr", shell_drvmgr_translate}, |
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376 | {"--help", shell_drvmgr_usage}, |
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377 | }; |
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378 | |
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379 | static struct shell_drvmgr_modifier *shell_drvmgr_find_modifier(char *name) |
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380 | { |
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381 | struct shell_drvmgr_modifier *mod; |
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382 | int i; |
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383 | |
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384 | if (name == NULL) |
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385 | return NULL; |
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386 | |
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387 | for (i=0, mod=&shell_drvmgr_modifiers[0]; i<MODIFIER_NUM; i++, mod++) { |
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388 | if (strcmp(name, mod->name) == 0) |
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389 | return mod; |
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390 | } |
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391 | |
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392 | return NULL; |
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393 | } |
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394 | |
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395 | static int rtems_shell_main_drvmgr( |
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396 | int argc, |
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397 | char *argv[] |
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398 | ) |
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399 | { |
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400 | struct shell_drvmgr_modifier *mod; |
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401 | int rc; |
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402 | |
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403 | if (argc < 2) { |
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404 | show_drvmgr_info(); |
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405 | rc = 0; |
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406 | } else if ((mod=shell_drvmgr_find_modifier(argv[1])) != NULL) { |
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407 | rc = mod->func(argc, argv); |
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408 | } else { |
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409 | rc = -1; |
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410 | } |
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411 | |
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412 | if (rc < 0) { |
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413 | printf(" invalid argument\n"); |
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414 | usage(); |
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415 | } |
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416 | |
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417 | return rc; |
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418 | } |
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419 | |
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420 | rtems_shell_cmd_t rtems_shell_DRVMGR_Command = { |
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421 | "drvmgr", /* name */ |
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422 | drvmgr_usage_str, /* usage */ |
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423 | "system", /* topic */ |
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424 | rtems_shell_main_drvmgr, /* command */ |
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425 | NULL, /* alias */ |
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426 | NULL /* next */ |
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427 | }; |
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