FreeCalypso > hg > fc-selenite
annotate src/nucleus/ioce.c @ 134:7d50d8d13711
FFS code sync with Magnetite + gcc version fix
This change brings the new flash autodetection for FC and Pirelli targets
from Magnetite, and should also fix the gcc version for C1xx and gtamodem
targets, which were previously broken because they used TI's original
flash autodetect code (which operates at address 0) while the boot ROM
is mapped there.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 11 Dec 2018 08:43:25 +0000 |
parents | 0f80e1e4dce4 |
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rev | line source |
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1 /*************************************************************************/ |
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2 /* */ |
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3 /* Copyright Mentor Graphics Corporation 2002 */ |
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4 /* All Rights Reserved. */ |
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5 /* */ |
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ |
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ |
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8 /* SUBJECT TO LICENSE TERMS. */ |
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9 /* */ |
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10 /*************************************************************************/ |
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11 |
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12 /*************************************************************************/ |
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13 /* */ |
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14 /* FILE NAME VERSION */ |
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15 /* */ |
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16 /* ioce.c Nucleus PLUS 1.14 */ |
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17 /* */ |
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18 /* COMPONENT */ |
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19 /* */ |
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20 /* IO - Input/Output Driver Management */ |
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21 /* */ |
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22 /* DESCRIPTION */ |
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23 /* */ |
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24 /* This file contains the error checking routines for the functions */ |
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25 /* in the Input/Output Driver component. This permits easy removal */ |
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26 /* of error checking logic when it is not needed. */ |
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27 /* */ |
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28 /* DATA STRUCTURES */ |
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29 /* */ |
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30 /* None */ |
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31 /* */ |
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32 /* FUNCTIONS */ |
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33 /* */ |
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34 /* IOCE_Create_Driver Create an I/O driver */ |
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35 /* IOCE_Delete_Driver Delete an I/O driver */ |
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36 /* IOCE_Request_Driver Make an I/O driver request */ |
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37 /* IOCE_Resume_Driver Resume a task suspended in */ |
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38 /* an I/O driver */ |
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39 /* IOCE_Suspend_Driver Suspend a task inside an I/O */ |
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40 /* driver */ |
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41 /* */ |
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42 /* DEPENDENCIES */ |
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43 /* */ |
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44 /* cs_extr.h Common Service functions */ |
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45 /* tc_extr.h Thread Control functions */ |
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46 /* io_extr.h I/O driver functions */ |
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47 /* hi_extr.h History functions */ |
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48 /* */ |
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49 /* HISTORY */ |
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50 /* */ |
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51 /* DATE REMARKS */ |
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52 /* */ |
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53 /* 03-01-1993 Created initial version 1.0 */ |
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54 /* 04-19-1993 Verified version 1.0 */ |
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55 /* 03-01-1994 Modified logic that checked task */ |
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56 /* status without protection of */ |
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57 /* scheduling structures, */ |
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58 /* resulting in version 1.0a */ |
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59 /* 03-01-1994 Verified version 1.0a */ |
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60 /* 03-01-1994 Changed name original error */ |
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61 /* checking file and changed */ |
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62 /* function interfaces, resulting */ |
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63 /* in version 1.1 */ |
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64 /* */ |
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65 /* 03-18-1994 Verified version 1.1 */ |
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66 /* 04-17-1996 updated to version 1.2 */ |
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67 /* 03-24-1998 Released version 1.3 */ |
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68 /* 04-17-2002 Released version 1.13m */ |
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69 /* 11-07-2002 Released version 1.14 */ |
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70 /*************************************************************************/ |
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71 #define NU_SOURCE_FILE |
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72 |
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73 |
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74 #include "cs_extr.h" /* Common service functions */ |
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75 #include "tc_extr.h" /* Thread control functions */ |
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76 #include "io_extr.h" /* I/O driver functions */ |
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77 #include "hi_extr.h" /* History functions */ |
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78 |
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79 |
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80 /*************************************************************************/ |
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81 /* */ |
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82 /* FUNCTION */ |
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83 /* */ |
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84 /* IOCE_Create_Driver */ |
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85 /* */ |
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86 /* DESCRIPTION */ |
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87 /* */ |
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88 /* This function performs error checking on the parameters supplied */ |
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89 /* to the I/O driver create function. */ |
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90 /* */ |
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91 /* CALLED BY */ |
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92 /* */ |
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93 /* Application */ |
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94 /* */ |
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95 /* CALLS */ |
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96 /* */ |
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97 /* IOC_Create_Driver Actual create driver routine */ |
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98 /* */ |
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99 /* INPUTS */ |
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100 /* */ |
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101 /* driver Driver control block pointer */ |
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102 /* name Driver's logical name */ |
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103 /* driver_entry Driver's point of entry */ |
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104 /* */ |
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105 /* OUTPUTS */ |
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106 /* */ |
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107 /* NU_INVALID_DRIVER Indicates driver pointer is */ |
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108 /* NULL or is already in use */ |
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109 /* NU_INVALID_POINTER Indicates the driver's entry */ |
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110 /* pointer is NULL */ |
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111 /* */ |
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112 /* HISTORY */ |
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113 /* */ |
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114 /* DATE REMARKS */ |
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115 /* */ |
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116 /* 03-01-1993 Created initial version 1.0 */ |
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117 /* 04-19-1993 Verified version 1.0 */ |
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118 /* 03-01-1994 Changed function interface, */ |
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119 /* resulting in version 1.1 */ |
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120 /* */ |
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121 /* 03-18-1994 Verified version 1.1 */ |
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122 /* */ |
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123 /*************************************************************************/ |
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124 STATUS IOCE_Create_Driver(NU_DRIVER *driver, CHAR *name, |
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125 VOID (*driver_entry)(NU_DRIVER *, NU_DRIVER_REQUEST *)) |
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126 { |
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127 |
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128 STATUS status; /* Completion status */ |
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129 |
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130 |
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131 /* Check for an invalid driver pointer. */ |
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132 if ((driver == NU_NULL) || (driver -> nu_driver_id == IO_DRIVER_ID)) |
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133 |
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134 /* Indicate that the driver pointer is invalid. */ |
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135 status = NU_INVALID_DRIVER; |
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136 |
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137 else if (driver_entry == NU_NULL) |
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138 |
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139 /* Indicate that the driver entry point is invalid. */ |
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140 status = NU_INVALID_POINTER; |
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141 |
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142 else |
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143 |
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144 /* Parameters are okay, call actual function to create an I/O |
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145 driver. */ |
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146 status = IOC_Create_Driver(driver, name, driver_entry); |
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147 |
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148 /* Return completion status. */ |
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149 return(status); |
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150 } |
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151 |
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152 |
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153 /*************************************************************************/ |
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154 /* */ |
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155 /* FUNCTION */ |
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156 /* */ |
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157 /* IOCE_Delete_Driver */ |
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158 /* */ |
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159 /* DESCRIPTION */ |
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160 /* */ |
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161 /* This function performs error checking on the parameters supplied */ |
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162 /* to the I/O driver delete function. */ |
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163 /* */ |
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164 /* CALLED BY */ |
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165 /* */ |
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166 /* Application */ |
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167 /* */ |
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168 /* CALLS */ |
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169 /* */ |
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170 /* IOC_Delete_Driver Actual delete driver routine */ |
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171 /* */ |
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172 /* INPUTS */ |
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173 /* */ |
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174 /* driver Driver control block pointer */ |
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175 /* */ |
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176 /* OUTPUTS */ |
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177 /* */ |
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178 /* NU_INVALID_DRIVER Indicates the driver pointer */ |
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179 /* is invalid */ |
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180 /* */ |
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181 /* HISTORY */ |
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182 /* */ |
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183 /* DATE REMARKS */ |
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184 /* */ |
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185 /* 03-01-1993 Created initial version 1.0 */ |
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186 /* 04-19-1993 Verified version 1.0 */ |
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187 /* 03-01-1994 Changed function interface, */ |
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188 /* resulting in version 1.1 */ |
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189 /* */ |
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190 /* 03-18-1994 Verified version 1.1 */ |
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191 /* */ |
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192 /*************************************************************************/ |
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193 STATUS IOCE_Delete_Driver(NU_DRIVER *driver) |
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194 { |
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195 |
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196 STATUS status; /* Completion status */ |
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197 |
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198 /* Determine if the driver pointer is valid. */ |
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199 if ((driver) && (driver -> nu_driver_id == IO_DRIVER_ID)) |
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200 |
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201 /* Driver pointer is valid, call function to delete it. */ |
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202 status = IOC_Delete_Driver(driver); |
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203 |
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204 else |
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205 |
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206 /* Driver pointer is invalid, indicate in completion status. */ |
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207 status = NU_INVALID_DRIVER; |
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208 |
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209 /* Return completion status. */ |
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210 return(status); |
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211 } |
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212 |
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213 |
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214 /*************************************************************************/ |
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215 /* */ |
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216 /* FUNCTION */ |
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217 /* */ |
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218 /* IOCE_Request_Driver */ |
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219 /* */ |
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220 /* DESCRIPTION */ |
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221 /* */ |
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222 /* This function performs error checking on the parameters supplied */ |
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223 /* to the I/O driver request function. */ |
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224 /* */ |
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225 /* CALLED BY */ |
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226 /* */ |
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227 /* Application */ |
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228 /* */ |
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229 /* CALLS */ |
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230 /* */ |
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231 /* IOC_Request_Driver Actual request driver routine*/ |
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232 /* */ |
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233 /* INPUTS */ |
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234 /* */ |
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235 /* driver Driver control block pointer */ |
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236 /* request User's I/O request */ |
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237 /* */ |
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238 /* OUTPUTS */ |
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239 /* */ |
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240 /* NU_INVALID_DRIVER Indicates the driver pointer */ |
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241 /* is invalid */ |
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242 /* NU_INVALID_POINTER Indicates the request pointer*/ |
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243 /* is invalid */ |
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244 /* */ |
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245 /* HISTORY */ |
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246 /* */ |
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247 /* DATE REMARKS */ |
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248 /* */ |
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249 /* 03-01-1993 Created initial version 1.0 */ |
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250 /* 04-19-1993 Verified version 1.0 */ |
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251 /* 03-01-1994 Changed function interface, */ |
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252 /* resulting in version 1.1 */ |
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253 /* */ |
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254 /* 03-18-1994 Verified version 1.1 */ |
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255 /* */ |
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256 /*************************************************************************/ |
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257 STATUS IOCE_Request_Driver(NU_DRIVER *driver , NU_DRIVER_REQUEST *request) |
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258 { |
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259 |
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260 STATUS status; /* Completion status */ |
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261 |
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262 |
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263 /* Determine if driver pointer is invalid. */ |
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264 if (driver == NU_NULL) |
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265 |
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266 /* Driver pointer is invalid, indicate in completion status. */ |
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267 status = NU_INVALID_DRIVER; |
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268 |
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269 else if (driver -> nu_driver_id != IO_DRIVER_ID) |
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270 |
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271 /* Driver pointer is invalid, indicate in completion status. */ |
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272 status = NU_INVALID_DRIVER; |
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273 |
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274 else if (request == NU_NULL) |
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275 |
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276 /* Request pointer is invalid, indicate in completion status. */ |
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277 status = NU_INVALID_POINTER; |
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278 |
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279 else |
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280 |
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281 /* Parameters are valid, call actual function. */ |
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282 status = IOC_Request_Driver(driver, request); |
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283 |
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284 /* Return the completion status. */ |
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285 return(status); |
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286 } |
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287 |
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288 |
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289 /*************************************************************************/ |
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290 /* */ |
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291 /* FUNCTION */ |
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292 /* */ |
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293 /* IOCE_Resume_Driver */ |
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294 /* */ |
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295 /* DESCRIPTION */ |
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296 /* */ |
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297 /* This function performs error checking on the parameters supplied */ |
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298 /* to the I/O driver resume function. */ |
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299 /* */ |
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300 /* CALLED BY */ |
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301 /* */ |
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302 /* Application */ |
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303 /* */ |
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304 /* CALLS */ |
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305 /* */ |
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306 /* TCCE_Validate_Resume Validate resume driver */ |
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307 /* request against actual */ |
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308 /* status */ |
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309 /* IOC_Resume_Driver Actual resume driver routine */ |
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310 /* */ |
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311 /* INPUTS */ |
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312 /* */ |
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313 /* task Pointer of task to resume */ |
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314 /* */ |
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315 /* OUTPUTS */ |
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316 /* */ |
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317 /* NU_INVALID_TASK Indicates the task pointer */ |
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318 /* is invalid */ |
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319 /* NU_INVALID_RESUME Indicates the task is not */ |
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320 /* suspended */ |
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321 /* */ |
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322 /* HISTORY */ |
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323 /* */ |
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324 /* DATE REMARKS */ |
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325 /* */ |
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326 /* 03-01-1993 Created initial version 1.0 */ |
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327 /* 04-19-1993 Verified version 1.0 */ |
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328 /* 03-01-1994 Modified logic that checked task */ |
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329 /* status without protection of */ |
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330 /* scheduling structures, */ |
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331 /* resulting in version 1.0a */ |
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332 /* 03-01-1994 Verified version 1.0a */ |
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333 /* 03-01-1994 Changed function interface, */ |
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334 /* resulting in version 1.1 */ |
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335 /* */ |
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336 /* 03-18-1994 Verified version 1.1 */ |
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337 /* */ |
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338 /*************************************************************************/ |
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339 STATUS IOCE_Resume_Driver(NU_TASK *task) |
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340 { |
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341 |
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342 STATUS status; /* Completion status */ |
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343 |
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344 |
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345 /* Determine if the task pointer is valid. */ |
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346 if ((task == NU_NULL) || (((TC_TCB *) task) -> tc_id != TC_TASK_ID)) |
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347 |
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348 /* Task pointer is invalid. */ |
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349 status = NU_INVALID_TASK; |
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350 |
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351 /* Check actual status of task to see if request is valid. */ |
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352 else if (TCCE_Validate_Resume(NU_DRIVER_SUSPEND, task)) |
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353 |
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354 /* Task is not suspended in a driver, return error status. */ |
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355 status = NU_INVALID_RESUME; |
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356 |
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357 else |
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358 |
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359 /* Call the actual resume service. */ |
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360 status = IOC_Resume_Driver(task); |
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361 |
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362 /* Return the completion status. */ |
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363 return(status); |
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364 } |
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365 |
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366 |
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367 |
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368 /*************************************************************************/ |
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369 /* */ |
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370 /* FUNCTION */ |
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371 /* */ |
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372 /* IOCE_Suspend_Driver */ |
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373 /* */ |
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374 /* DESCRIPTION */ |
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375 /* */ |
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376 /* This function performs error checking on the parameters supplied */ |
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377 /* to the I/O driver suspend function. */ |
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378 /* */ |
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379 /* CALLED BY */ |
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380 /* */ |
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381 /* Application */ |
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382 /* */ |
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383 /* CALLS */ |
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384 /* */ |
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385 /* IOC_Suspend_Driver Actual driver suspend routine*/ |
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386 /* TCCE_Suspend_Error Check for a legal suspension */ |
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387 /* */ |
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388 /* INPUTS */ |
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389 /* */ |
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390 /* terminate_routine Termination/Timeout cleanup */ |
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391 /* routine */ |
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392 /* information Information pointer of the */ |
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393 /* cleanup routine */ |
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394 /* timeout Suspension timeout request */ |
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395 /* */ |
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396 /* OUTPUTS */ |
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397 /* */ |
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398 /* NU_INVALID_SUSPEND Indicates suspension is not */ |
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399 /* legal */ |
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400 /* */ |
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401 /* HISTORY */ |
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402 /* */ |
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403 /* DATE REMARKS */ |
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404 /* */ |
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405 /* 03-01-1993 Created initial version 1.0 */ |
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406 /* 04-19-1993 Verified version 1.0 */ |
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407 /* 03-01-1994 Changed function interface, */ |
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408 /* resulting in version 1.1 */ |
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409 /* */ |
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410 /* 03-18-1994 Verified version 1.1 */ |
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411 /* */ |
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412 /*************************************************************************/ |
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413 STATUS IOCE_Suspend_Driver(VOID (*terminate_routine)(VOID *), |
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414 VOID *information, UNSIGNED timeout) |
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415 { |
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416 |
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417 STATUS status; /* Completion status */ |
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418 |
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419 |
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420 /* Determine if there is a suspension error. */ |
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421 if (TCCE_Suspend_Error()) |
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422 |
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423 /* Suspension error, not called from a legal thread. */ |
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424 status = NU_INVALID_SUSPEND; |
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425 |
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426 else |
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427 |
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428 /* Call the actual suspend service. */ |
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429 status = IOC_Suspend_Driver(terminate_routine, information, timeout); |
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430 |
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431 /* Return the completion status. */ |
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432 return(status); |
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433 } |
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434 |
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435 |
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436 |
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437 |
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438 |
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439 |
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440 |