1 | #ifndef _DEVPATH_H |
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2 | #define _DEVPATH_H |
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3 | |
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4 | /*++ |
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5 | |
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6 | Copyright (c) 1998 Intel Corporation |
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7 | |
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8 | Module Name: |
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9 | |
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10 | devpath.h |
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11 | |
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12 | Abstract: |
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13 | |
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14 | Defines for parsing the EFI Device Path structures |
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15 | |
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16 | |
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17 | |
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18 | Revision History |
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19 | |
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20 | --*/ |
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21 | |
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22 | // |
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23 | // Device Path structures - Section C |
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24 | // |
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25 | |
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26 | typedef struct _EFI_DEVICE_PATH { |
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27 | UINT8 Type; |
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28 | UINT8 SubType; |
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29 | UINT8 Length[2]; |
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30 | } EFI_DEVICE_PATH; |
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31 | |
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32 | #define EFI_DP_TYPE_MASK 0x7F |
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33 | #define EFI_DP_TYPE_UNPACKED 0x80 |
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34 | |
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35 | //#define END_DEVICE_PATH_TYPE 0xff |
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36 | #define END_DEVICE_PATH_TYPE 0x7f |
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37 | //#define END_DEVICE_PATH_TYPE_UNPACKED 0x7f |
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38 | |
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39 | #define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff |
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40 | #define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01 |
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41 | #define END_DEVICE_PATH_LENGTH (sizeof(EFI_DEVICE_PATH)) |
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42 | |
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43 | |
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44 | #define DP_IS_END_TYPE(a) |
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45 | #define DP_IS_END_SUBTYPE(a) ( ((a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE ) |
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46 | |
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47 | #define DevicePathType(a) ( ((a)->Type) & EFI_DP_TYPE_MASK ) |
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48 | #define DevicePathSubType(a) ( (a)->SubType ) |
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49 | #define DevicePathNodeLength(a) ( ((a)->Length[0]) | ((a)->Length[1] << 8) ) |
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50 | #define NextDevicePathNode(a) ( (EFI_DEVICE_PATH *) ( ((UINT8 *) (a)) + DevicePathNodeLength(a))) |
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51 | //#define IsDevicePathEndType(a) ( DevicePathType(a) == END_DEVICE_PATH_TYPE_UNPACKED ) |
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52 | #define IsDevicePathEndType(a) ( DevicePathType(a) == END_DEVICE_PATH_TYPE ) |
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53 | #define IsDevicePathEndSubType(a) ( (a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE ) |
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54 | #define IsDevicePathEnd(a) ( IsDevicePathEndType(a) && IsDevicePathEndSubType(a) ) |
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55 | #define IsDevicePathUnpacked(a) ( (a)->Type & EFI_DP_TYPE_UNPACKED ) |
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56 | |
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57 | |
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58 | #define SetDevicePathNodeLength(a,l) { \ |
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59 | (a)->Length[0] = (UINT8) (l); \ |
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60 | (a)->Length[1] = (UINT8) ((l) >> 8); \ |
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61 | } |
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62 | |
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63 | #define SetDevicePathEndNode(a) { \ |
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64 | (a)->Type = END_DEVICE_PATH_TYPE; \ |
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65 | (a)->SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE; \ |
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66 | (a)->Length[0] = sizeof(EFI_DEVICE_PATH); \ |
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67 | (a)->Length[1] = 0; \ |
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68 | } |
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69 | |
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70 | |
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71 | |
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72 | /* |
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73 | * |
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74 | */ |
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75 | #define HARDWARE_DEVICE_PATH 0x01 |
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76 | |
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77 | #define HW_PCI_DP 0x01 |
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78 | typedef struct _PCI_DEVICE_PATH { |
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79 | EFI_DEVICE_PATH Header; |
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80 | UINT8 Function; |
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81 | UINT8 Device; |
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82 | } PCI_DEVICE_PATH; |
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83 | |
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84 | #define HW_PCCARD_DP 0x02 |
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85 | typedef struct _PCCARD_DEVICE_PATH { |
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86 | EFI_DEVICE_PATH Header; |
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87 | UINT8 SocketNumber; |
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88 | } PCCARD_DEVICE_PATH; |
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89 | |
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90 | #define HW_MEMMAP_DP 0x03 |
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91 | typedef struct _MEMMAP_DEVICE_PATH { |
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92 | EFI_DEVICE_PATH Header; |
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93 | UINT32 MemoryType; |
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94 | EFI_PHYSICAL_ADDRESS StartingAddress; |
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95 | EFI_PHYSICAL_ADDRESS EndingAddress; |
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96 | } MEMMAP_DEVICE_PATH; |
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97 | |
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98 | #define HW_VENDOR_DP 0x04 |
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99 | typedef struct _VENDOR_DEVICE_PATH { |
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100 | EFI_DEVICE_PATH Header; |
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101 | EFI_GUID Guid; |
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102 | } VENDOR_DEVICE_PATH; |
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103 | |
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104 | #define UNKNOWN_DEVICE_GUID \ |
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105 | { 0xcf31fac5, 0xc24e, 0x11d2, {0x85, 0xf3, 0x0, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} } |
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106 | |
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107 | typedef struct _UKNOWN_DEVICE_VENDOR_DP { |
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108 | VENDOR_DEVICE_PATH DevicePath; |
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109 | UINT8 LegacyDriveLetter; |
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110 | } UNKNOWN_DEVICE_VENDOR_DEVICE_PATH; |
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111 | |
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112 | #define HW_CONTROLLER_DP 0x05 |
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113 | typedef struct _CONTROLLER_DEVICE_PATH { |
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114 | EFI_DEVICE_PATH Header; |
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115 | UINT32 Controller; |
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116 | } CONTROLLER_DEVICE_PATH; |
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117 | |
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118 | /* |
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119 | * |
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120 | */ |
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121 | #define ACPI_DEVICE_PATH 0x02 |
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122 | |
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123 | #define ACPI_DP 0x01 |
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124 | typedef struct _ACPI_HID_DEVICE_PATH { |
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125 | EFI_DEVICE_PATH Header; |
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126 | UINT32 HID; |
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127 | UINT32 UID; |
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128 | } ACPI_HID_DEVICE_PATH; |
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129 | |
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130 | #define EXPANDED_ACPI_DP 0x02 |
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131 | typedef struct _EXPANDED_ACPI_HID_DEVICE_PATH { |
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132 | EFI_DEVICE_PATH Header; |
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133 | UINT32 HID; |
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134 | UINT32 UID; |
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135 | UINT32 CID; |
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136 | UINT8 HidStr[1]; |
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137 | } EXPANDED_ACPI_HID_DEVICE_PATH; |
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138 | |
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139 | // |
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140 | // EISA ID Macro |
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141 | // EISA ID Definition 32-bits |
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142 | // bits[15:0] - three character compressed ASCII EISA ID. |
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143 | // bits[31:16] - binary number |
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144 | // Compressed ASCII is 5 bits per character 0b00001 = 'A' 0b11010 = 'Z' |
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145 | // |
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146 | #define PNP_EISA_ID_CONST 0x41d0 |
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147 | #define EISA_ID(_Name, _Num) ((UINT32) ((_Name) | (_Num) << 16)) |
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148 | #define EISA_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId))) |
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149 | |
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150 | #define PNP_EISA_ID_MASK 0xffff |
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151 | #define EISA_ID_TO_NUM(_Id) ((_Id) >> 16) |
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152 | /* |
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153 | * |
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154 | */ |
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155 | #define MESSAGING_DEVICE_PATH 0x03 |
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156 | |
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157 | #define MSG_ATAPI_DP 0x01 |
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158 | typedef struct _ATAPI_DEVICE_PATH { |
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159 | EFI_DEVICE_PATH Header; |
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160 | UINT8 PrimarySecondary; |
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161 | UINT8 SlaveMaster; |
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162 | UINT16 Lun; |
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163 | } ATAPI_DEVICE_PATH; |
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164 | |
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165 | #define MSG_SCSI_DP 0x02 |
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166 | typedef struct _SCSI_DEVICE_PATH { |
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167 | EFI_DEVICE_PATH Header; |
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168 | UINT16 Pun; |
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169 | UINT16 Lun; |
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170 | } SCSI_DEVICE_PATH; |
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171 | |
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172 | #define MSG_FIBRECHANNEL_DP 0x03 |
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173 | typedef struct _FIBRECHANNEL_DEVICE_PATH { |
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174 | EFI_DEVICE_PATH Header; |
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175 | UINT32 Reserved; |
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176 | UINT64 WWN; |
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177 | UINT64 Lun; |
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178 | } FIBRECHANNEL_DEVICE_PATH; |
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179 | |
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180 | #define MSG_1394_DP 0x04 |
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181 | typedef struct _F1394_DEVICE_PATH { |
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182 | EFI_DEVICE_PATH Header; |
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183 | UINT32 Reserved; |
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184 | UINT64 Guid; |
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185 | } F1394_DEVICE_PATH; |
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186 | |
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187 | #define MSG_USB_DP 0x05 |
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188 | typedef struct _USB_DEVICE_PATH { |
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189 | EFI_DEVICE_PATH Header; |
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190 | UINT8 Port; |
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191 | UINT8 Endpoint; |
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192 | } USB_DEVICE_PATH; |
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193 | |
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194 | #define MSG_USB_CLASS_DP 0x0F |
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195 | typedef struct _USB_CLASS_DEVICE_PATH { |
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196 | EFI_DEVICE_PATH Header; |
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197 | UINT16 VendorId; |
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198 | UINT16 ProductId; |
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199 | UINT8 DeviceClass; |
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200 | UINT8 DeviceSubclass; |
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201 | UINT8 DeviceProtocol; |
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202 | } USB_CLASS_DEVICE_PATH; |
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203 | |
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204 | #define MSG_I2O_DP 0x06 |
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205 | typedef struct _I2O_DEVICE_PATH { |
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206 | EFI_DEVICE_PATH Header; |
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207 | UINT32 Tid; |
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208 | } I2O_DEVICE_PATH; |
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209 | |
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210 | #define MSG_MAC_ADDR_DP 0x0b |
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211 | typedef struct _MAC_ADDR_DEVICE_PATH { |
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212 | EFI_DEVICE_PATH Header; |
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213 | EFI_MAC_ADDRESS MacAddress; |
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214 | UINT8 IfType; |
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215 | } MAC_ADDR_DEVICE_PATH; |
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216 | |
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217 | #define MSG_IPv4_DP 0x0c |
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218 | typedef struct _IPv4_DEVICE_PATH { |
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219 | EFI_DEVICE_PATH Header; |
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220 | EFI_IPv4_ADDRESS LocalIpAddress; |
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221 | EFI_IPv4_ADDRESS RemoteIpAddress; |
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222 | UINT16 LocalPort; |
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223 | UINT16 RemotePort; |
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224 | UINT16 Protocol; |
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225 | BOOLEAN StaticIpAddress; |
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226 | } IPv4_DEVICE_PATH; |
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227 | |
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228 | #define MSG_IPv6_DP 0x0d |
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229 | typedef struct _IPv6_DEVICE_PATH { |
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230 | EFI_DEVICE_PATH Header; |
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231 | EFI_IPv6_ADDRESS LocalIpAddress; |
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232 | EFI_IPv6_ADDRESS RemoteIpAddress; |
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233 | UINT16 LocalPort; |
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234 | UINT16 RemotePort; |
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235 | UINT16 Protocol; |
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236 | BOOLEAN StaticIpAddress; |
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237 | } IPv6_DEVICE_PATH; |
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238 | |
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239 | #define MSG_INFINIBAND_DP 0x09 |
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240 | typedef struct _INFINIBAND_DEVICE_PATH { |
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241 | EFI_DEVICE_PATH Header; |
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242 | UINT32 Reserved; |
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243 | UINT64 NodeGuid; |
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244 | UINT64 IocGuid; |
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245 | UINT64 DeviceId; |
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246 | } INFINIBAND_DEVICE_PATH; |
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247 | |
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248 | #define MSG_UART_DP 0x0e |
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249 | typedef struct _UART_DEVICE_PATH { |
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250 | EFI_DEVICE_PATH Header; |
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251 | UINT32 Reserved; |
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252 | UINT64 BaudRate; |
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253 | UINT8 DataBits; |
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254 | UINT8 Parity; |
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255 | UINT8 StopBits; |
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256 | } UART_DEVICE_PATH; |
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257 | |
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258 | #define MSG_VENDOR_DP 0x0A |
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259 | /* Use VENDOR_DEVICE_PATH struct */ |
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260 | |
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261 | #define DEVICE_PATH_MESSAGING_PC_ANSI \ |
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262 | { 0xe0c14753, 0xf9be, 0x11d2, {0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} } |
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263 | |
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264 | #define DEVICE_PATH_MESSAGING_VT_100 \ |
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265 | { 0xdfa66065, 0xb419, 0x11d3, {0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} } |
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266 | |
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267 | |
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268 | |
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269 | #define MEDIA_DEVICE_PATH 0x04 |
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270 | |
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271 | #define MEDIA_HARDDRIVE_DP 0x01 |
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272 | typedef struct _HARDDRIVE_DEVICE_PATH { |
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273 | EFI_DEVICE_PATH Header; |
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274 | UINT32 PartitionNumber; |
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275 | UINT64 PartitionStart; |
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276 | UINT64 PartitionSize; |
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277 | UINT8 Signature[16]; |
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278 | UINT8 MBRType; |
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279 | UINT8 SignatureType; |
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280 | } HARDDRIVE_DEVICE_PATH; |
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281 | |
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282 | #define MBR_TYPE_PCAT 0x01 |
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283 | #define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02 |
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284 | |
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285 | #define SIGNATURE_TYPE_MBR 0x01 |
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286 | #define SIGNATURE_TYPE_GUID 0x02 |
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287 | |
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288 | #define MEDIA_CDROM_DP 0x02 |
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289 | typedef struct _CDROM_DEVICE_PATH { |
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290 | EFI_DEVICE_PATH Header; |
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291 | UINT32 BootEntry; |
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292 | UINT64 PartitionStart; |
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293 | UINT64 PartitionSize; |
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294 | } CDROM_DEVICE_PATH; |
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295 | |
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296 | #define MEDIA_VENDOR_DP 0x03 |
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297 | /* Use VENDOR_DEVICE_PATH struct */ |
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298 | |
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299 | #define MEDIA_FILEPATH_DP 0x04 |
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300 | typedef struct _FILEPATH_DEVICE_PATH { |
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301 | EFI_DEVICE_PATH Header; |
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302 | CHAR16 PathName[1]; |
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303 | } FILEPATH_DEVICE_PATH; |
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304 | |
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305 | #define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName) |
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306 | |
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307 | #define MEDIA_PROTOCOL_DP 0x05 |
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308 | typedef struct _MEDIA_PROTOCOL_DEVICE_PATH { |
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309 | EFI_DEVICE_PATH Header; |
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310 | EFI_GUID Protocol; |
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311 | } MEDIA_PROTOCOL_DEVICE_PATH; |
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312 | |
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313 | |
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314 | #define BBS_DEVICE_PATH 0x05 |
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315 | #define BBS_BBS_DP 0x01 |
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316 | typedef struct _BBS_BBS_DEVICE_PATH { |
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317 | EFI_DEVICE_PATH Header; |
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318 | UINT16 DeviceType; |
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319 | UINT16 StatusFlag; |
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320 | CHAR8 String[1]; |
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321 | } BBS_BBS_DEVICE_PATH; |
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322 | |
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323 | /* DeviceType definitions - from BBS specification */ |
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324 | #define BBS_TYPE_FLOPPY 0x01 |
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325 | #define BBS_TYPE_HARDDRIVE 0x02 |
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326 | #define BBS_TYPE_CDROM 0x03 |
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327 | #define BBS_TYPE_PCMCIA 0x04 |
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328 | #define BBS_TYPE_USB 0x05 |
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329 | #define BBS_TYPE_EMBEDDED_NETWORK 0x06 |
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330 | #define BBS_TYPE_DEV 0x80 |
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331 | #define BBS_TYPE_UNKNOWN 0xFF |
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332 | |
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333 | typedef union { |
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334 | EFI_DEVICE_PATH DevPath; |
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335 | PCI_DEVICE_PATH Pci; |
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336 | PCCARD_DEVICE_PATH PcCard; |
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337 | MEMMAP_DEVICE_PATH MemMap; |
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338 | VENDOR_DEVICE_PATH Vendor; |
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339 | UNKNOWN_DEVICE_VENDOR_DEVICE_PATH UnknownVendor; |
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340 | CONTROLLER_DEVICE_PATH Controller; |
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341 | ACPI_HID_DEVICE_PATH Acpi; |
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342 | |
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343 | ATAPI_DEVICE_PATH Atapi; |
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344 | SCSI_DEVICE_PATH Scsi; |
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345 | FIBRECHANNEL_DEVICE_PATH FibreChannel; |
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346 | |
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347 | F1394_DEVICE_PATH F1394; |
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348 | USB_DEVICE_PATH Usb; |
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349 | USB_CLASS_DEVICE_PATH UsbClass; |
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350 | I2O_DEVICE_PATH I2O; |
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351 | MAC_ADDR_DEVICE_PATH MacAddr; |
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352 | IPv4_DEVICE_PATH Ipv4; |
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353 | IPv6_DEVICE_PATH Ipv6; |
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354 | INFINIBAND_DEVICE_PATH InfiniBand; |
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355 | UART_DEVICE_PATH Uart; |
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356 | |
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357 | HARDDRIVE_DEVICE_PATH HardDrive; |
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358 | CDROM_DEVICE_PATH CD; |
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359 | |
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360 | FILEPATH_DEVICE_PATH FilePath; |
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361 | MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol; |
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362 | |
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363 | BBS_BBS_DEVICE_PATH Bbs; |
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364 | |
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365 | } EFI_DEV_PATH; |
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366 | |
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367 | typedef union { |
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368 | EFI_DEVICE_PATH *DevPath; |
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369 | PCI_DEVICE_PATH *Pci; |
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370 | PCCARD_DEVICE_PATH *PcCard; |
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371 | MEMMAP_DEVICE_PATH *MemMap; |
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372 | VENDOR_DEVICE_PATH *Vendor; |
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373 | UNKNOWN_DEVICE_VENDOR_DEVICE_PATH *UnknownVendor; |
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374 | CONTROLLER_DEVICE_PATH *Controller; |
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375 | ACPI_HID_DEVICE_PATH *Acpi; |
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376 | |
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377 | ATAPI_DEVICE_PATH *Atapi; |
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378 | SCSI_DEVICE_PATH *Scsi; |
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379 | FIBRECHANNEL_DEVICE_PATH *FibreChannel; |
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380 | |
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381 | F1394_DEVICE_PATH *F1394; |
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382 | USB_DEVICE_PATH *Usb; |
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383 | USB_CLASS_DEVICE_PATH *UsbClass; |
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384 | I2O_DEVICE_PATH *I2O; |
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385 | MAC_ADDR_DEVICE_PATH *MacAddr; |
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386 | IPv4_DEVICE_PATH *Ipv4; |
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387 | IPv6_DEVICE_PATH *Ipv6; |
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388 | INFINIBAND_DEVICE_PATH *InfiniBand; |
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389 | UART_DEVICE_PATH *Uart; |
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390 | |
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391 | HARDDRIVE_DEVICE_PATH *HardDrive; |
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392 | |
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393 | FILEPATH_DEVICE_PATH *FilePath; |
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394 | MEDIA_PROTOCOL_DEVICE_PATH *MediaProtocol; |
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395 | |
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396 | CDROM_DEVICE_PATH *CD; |
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397 | BBS_BBS_DEVICE_PATH *Bbs; |
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398 | |
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399 | } EFI_DEV_PATH_PTR; |
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400 | |
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401 | |
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402 | #endif |
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