1 /** @file 2 UEFI HTTP boot driver's private data structure and interfaces declaration. 3 4 Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials are licensed and made available under 6 the terms and conditions of the BSD License that accompanies this distribution. 7 The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php. 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef __EFI_HTTP_BOOT_DXE_H__ 16 #define __EFI_HTTP_BOOT_DXE_H__ 17 18 #include <Uefi.h> 19 20 // 21 // Libraries 22 // 23 #include <Library/UefiBootServicesTableLib.h> 24 #include <Library/MemoryAllocationLib.h> 25 #include <Library/BaseLib.h> 26 #include <Library/UefiLib.h> 27 #include <Library/DevicePathLib.h> 28 #include <Library/DebugLib.h> 29 #include <Library/NetLib.h> 30 #include <Library/HttpLib.h> 31 32 // 33 // UEFI Driver Model Protocols 34 // 35 #include <Protocol/DriverBinding.h> 36 #include <Protocol/ComponentName2.h> 37 #include <Protocol/ComponentName.h> 38 39 // 40 // Consumed Protocols 41 // 42 #include <Protocol/NetworkInterfaceIdentifier.h> 43 #include <Protocol/Dhcp4.h> 44 #include <Protocol/Dhcp6.h> 45 #include <Protocol/Dns6.h> 46 #include <Protocol/Http.h> 47 #include <Protocol/Ip4Config2.h> 48 #include <Protocol/Ip6Config.h> 49 // 50 // Produced Protocols 51 // 52 #include <Protocol/LoadFile.h> 53 54 // 55 // Driver Version 56 // 57 #define HTTP_BOOT_DXE_VERSION 0xa 58 59 // 60 // Protocol instances 61 // 62 extern EFI_DRIVER_BINDING_PROTOCOL gHttpBootDxeDriverBinding; 63 extern EFI_COMPONENT_NAME2_PROTOCOL gHttpBootDxeComponentName2; 64 extern EFI_COMPONENT_NAME_PROTOCOL gHttpBootDxeComponentName; 65 66 // 67 // Private data structure 68 // 69 typedef struct _HTTP_BOOT_PRIVATE_DATA HTTP_BOOT_PRIVATE_DATA; 70 typedef struct _HTTP_BOOT_VIRTUAL_NIC HTTP_BOOT_VIRTUAL_NIC; 71 72 // 73 // Include files with internal function prototypes 74 // 75 #include "HttpBootComponentName.h" 76 #include "HttpBootDhcp4.h" 77 #include "HttpBootDhcp6.h" 78 #include "HttpBootImpl.h" 79 #include "HttpBootSupport.h" 80 #include "HttpBootClient.h" 81 82 typedef union { 83 HTTP_BOOT_DHCP4_PACKET_CACHE Dhcp4; 84 HTTP_BOOT_DHCP6_PACKET_CACHE Dhcp6; 85 } HTTP_BOOT_DHCP_PACKET_CACHE; 86 87 struct _HTTP_BOOT_VIRTUAL_NIC { 88 UINT32 Signature; 89 EFI_HANDLE Controller; 90 EFI_LOAD_FILE_PROTOCOL LoadFile; 91 EFI_DEVICE_PATH_PROTOCOL *DevicePath; 92 HTTP_BOOT_PRIVATE_DATA *Private; 93 }; 94 95 struct _HTTP_BOOT_PRIVATE_DATA { 96 UINT32 Signature; 97 EFI_HANDLE Controller; 98 EFI_HANDLE Image; 99 100 HTTP_BOOT_VIRTUAL_NIC *Ip4Nic; 101 HTTP_BOOT_VIRTUAL_NIC *Ip6Nic; 102 103 // 104 // Cousumed children 105 // 106 EFI_HANDLE Ip6Child; 107 EFI_HANDLE Dhcp4Child; 108 EFI_HANDLE Dhcp6Child; 109 HTTP_IO HttpIo; 110 BOOLEAN HttpCreated; 111 112 // 113 // Consumed protocol 114 // 115 EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii; 116 EFI_IP6_PROTOCOL *Ip6; 117 EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2; 118 EFI_IP6_CONFIG_PROTOCOL *Ip6Config; 119 EFI_DHCP4_PROTOCOL *Dhcp4; 120 EFI_DHCP6_PROTOCOL *Dhcp6; 121 EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath; 122 123 124 // 125 // Produced protocol 126 // 127 EFI_LOAD_FILE_PROTOCOL LoadFile; 128 EFI_DEVICE_PATH_PROTOCOL *DevicePath; 129 UINT32 Id; 130 131 // 132 // Mode data 133 // 134 BOOLEAN UsingIpv6; 135 BOOLEAN Started; 136 EFI_IP_ADDRESS StationIp; 137 EFI_IP_ADDRESS SubnetMask; 138 EFI_IP_ADDRESS GatewayIp; 139 EFI_IP_ADDRESS ServerIp; 140 UINT16 Port; 141 CHAR8 *BootFileUri; 142 VOID *BootFileUriParser; 143 UINTN BootFileSize; 144 BOOLEAN NoGateway; 145 146 // 147 // Cached HTTP data 148 // 149 LIST_ENTRY CacheList; 150 151 // 152 // Cached DHCP offer 153 // 154 // OfferIndex records the index of DhcpOffer[] buffer, and OfferCount records the num of each type of offer. 155 // 156 // It supposed that 157 // 158 // OfferNum: 8 159 // OfferBuffer: [ProxyNameUri, DhcpNameUri, DhcpIpUri, ProxyNameUri, ProxyIpUri, DhcpOnly, DhcpIpUri, DhcpNameUriDns] 160 // (OfferBuffer is 0-based.) 161 // 162 // And assume that (DhcpIpUri is the first priority actually.) 163 // 164 // SelectIndex: 5 165 // SelectProxyType: HttpOfferTypeProxyIpUri 166 // (SelectIndex is 1-based, and 0 means no one is selected.) 167 // 168 // So it should be 169 // 170 // DhcpIpUri DhcpNameUriDns DhcpDns DhcpOnly ProxyNameUri ProxyIpUri DhcpNameUri 171 // OfferCount: [ 2, 1, 0, 1, 2, 1, 1] 172 // 173 // OfferIndex: {[ 2, 7, 0, 5, 0, *4, 1] 174 // [ 6, 0, 0, 0, 3, 0, 0] 175 // [ 0, 0, 0, 0, 0, 0, 0] 176 // ... ]} 177 // (OfferIndex is 0-based.) 178 // 179 // 180 UINT32 SelectIndex; 181 UINT32 SelectProxyType; 182 HTTP_BOOT_DHCP_PACKET_CACHE OfferBuffer[HTTP_BOOT_OFFER_MAX_NUM]; 183 UINT32 OfferNum; 184 UINT32 OfferCount[HttpOfferTypeMax]; 185 UINT32 OfferIndex[HttpOfferTypeMax][HTTP_BOOT_OFFER_MAX_NUM]; 186 }; 187 188 #define HTTP_BOOT_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('H', 'B', 'P', 'D') 189 #define HTTP_BOOT_VIRTUAL_NIC_SIGNATURE SIGNATURE_32 ('H', 'B', 'V', 'N') 190 #define HTTP_BOOT_PRIVATE_DATA_FROM_LOADFILE(a) CR (a, HTTP_BOOT_PRIVATE_DATA, LoadFile, HTTP_BOOT_PRIVATE_DATA_SIGNATURE) 191 #define HTTP_BOOT_PRIVATE_DATA_FROM_ID(a) CR (a, HTTP_BOOT_PRIVATE_DATA, Id, HTTP_BOOT_PRIVATE_DATA_SIGNATURE) 192 #define HTTP_BOOT_VIRTUAL_NIC_FROM_LOADFILE(a) CR (a, HTTP_BOOT_VIRTUAL_NIC, LoadFile, HTTP_BOOT_VIRTUAL_NIC_SIGNATURE) 193 extern EFI_LOAD_FILE_PROTOCOL gHttpBootDxeLoadFile; 194 195 /** 196 Tests to see if this driver supports a given controller. If a child device is provided, 197 it further tests to see if this driver supports creating a handle for the specified child device. 198 199 This function checks to see if the driver specified by This supports the device specified by 200 ControllerHandle. Drivers will typically use the device path attached to 201 ControllerHandle and/or the services from the bus I/O abstraction attached to 202 ControllerHandle to determine if the driver supports ControllerHandle. This function 203 may be called many times during platform initialization. In order to reduce boot times, the tests 204 performed by this function must be very small, and take as little time as possible to execute. This 205 function must not change the state of any hardware devices, and this function must be aware that the 206 device specified by ControllerHandle may already be managed by the same driver or a 207 different driver. This function must match its calls to AllocatePages() with FreePages(), 208 AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol(). 209 Because ControllerHandle may have been previously started by the same driver, if a protocol is 210 already in the opened state, then it must not be closed with CloseProtocol(). This is required 211 to guarantee the state of ControllerHandle is not modified by this function. 212 213 @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. 214 @param[in] ControllerHandle The handle of the controller to test. This handle 215 must support a protocol interface that supplies 216 an I/O abstraction to the driver. 217 @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This 218 parameter is ignored by device drivers, and is optional for bus 219 drivers. For bus drivers, if this parameter is not NULL, then 220 the bus driver must determine if the bus controller specified 221 by ControllerHandle and the child controller specified 222 by RemainingDevicePath are both supported by this 223 bus driver. 224 225 @retval EFI_SUCCESS The device specified by ControllerHandle and 226 RemainingDevicePath is supported by the driver specified by This. 227 @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and 228 RemainingDevicePath is already being managed by the driver 229 specified by This. 230 @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and 231 RemainingDevicePath is already being managed by a different 232 driver or an application that requires exclusive access. 233 Currently not implemented. 234 @retval EFI_UNSUPPORTED The device specified by ControllerHandle and 235 RemainingDevicePath is not supported by the driver specified by This. 236 **/ 237 EFI_STATUS 238 EFIAPI 239 HttpBootIp4DxeDriverBindingSupported ( 240 IN EFI_DRIVER_BINDING_PROTOCOL *This, 241 IN EFI_HANDLE ControllerHandle, 242 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL 243 ); 244 245 /** 246 Starts a device controller or a bus controller. 247 248 The Start() function is designed to be invoked from the EFI boot service ConnectController(). 249 As a result, much of the error checking on the parameters to Start() has been moved into this 250 common boot service. It is legal to call Start() from other locations, 251 but the following calling restrictions must be followed, or the system behavior will not be deterministic. 252 1. ControllerHandle must be a valid EFI_HANDLE. 253 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned 254 EFI_DEVICE_PATH_PROTOCOL. 255 3. Prior to calling Start(), the Supported() function for the driver specified by This must 256 have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS. 257 258 @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. 259 @param[in] ControllerHandle The handle of the controller to start. This handle 260 must support a protocol interface that supplies 261 an I/O abstraction to the driver. 262 @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This 263 parameter is ignored by device drivers, and is optional for bus 264 drivers. For a bus driver, if this parameter is NULL, then handles 265 for all the children of Controller are created by this driver. 266 If this parameter is not NULL and the first Device Path Node is 267 not the End of Device Path Node, then only the handle for the 268 child device specified by the first Device Path Node of 269 RemainingDevicePath is created by this driver. 270 If the first Device Path Node of RemainingDevicePath is 271 the End of Device Path Node, no child handle is created by this 272 driver. 273 274 @retval EFI_SUCCESS The device was started. 275 @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented. 276 @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. 277 @retval Others The driver failded to start the device. 278 279 **/ 280 EFI_STATUS 281 EFIAPI 282 HttpBootIp4DxeDriverBindingStart ( 283 IN EFI_DRIVER_BINDING_PROTOCOL *This, 284 IN EFI_HANDLE ControllerHandle, 285 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL 286 ); 287 288 /** 289 Stops a device controller or a bus controller. 290 291 The Stop() function is designed to be invoked from the EFI boot service DisconnectController(). 292 As a result, much of the error checking on the parameters to Stop() has been moved 293 into this common boot service. It is legal to call Stop() from other locations, 294 but the following calling restrictions must be followed, or the system behavior will not be deterministic. 295 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this 296 same driver's Start() function. 297 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid 298 EFI_HANDLE. In addition, all of these handles must have been created in this driver's 299 Start() function, and the Start() function must have called OpenProtocol() on 300 ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. 301 302 @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. 303 @param[in] ControllerHandle A handle to the device being stopped. The handle must 304 support a bus specific I/O protocol for the driver 305 to use to stop the device. 306 @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer. 307 @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL 308 if NumberOfChildren is 0. 309 310 @retval EFI_SUCCESS The device was stopped. 311 @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error. 312 313 **/ 314 EFI_STATUS 315 EFIAPI 316 HttpBootIp4DxeDriverBindingStop ( 317 IN EFI_DRIVER_BINDING_PROTOCOL *This, 318 IN EFI_HANDLE ControllerHandle, 319 IN UINTN NumberOfChildren, 320 IN EFI_HANDLE *ChildHandleBuffer OPTIONAL 321 ); 322 323 /** 324 Tests to see if this driver supports a given controller. If a child device is provided, 325 it further tests to see if this driver supports creating a handle for the specified child device. 326 327 This function checks to see if the driver specified by This supports the device specified by 328 ControllerHandle. Drivers will typically use the device path attached to 329 ControllerHandle and/or the services from the bus I/O abstraction attached to 330 ControllerHandle to determine if the driver supports ControllerHandle. This function 331 may be called many times during platform initialization. In order to reduce boot times, the tests 332 performed by this function must be very small, and take as little time as possible to execute. This 333 function must not change the state of any hardware devices, and this function must be aware that the 334 device specified by ControllerHandle may already be managed by the same driver or a 335 different driver. This function must match its calls to AllocatePages() with FreePages(), 336 AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol(). 337 Because ControllerHandle may have been previously started by the same driver, if a protocol is 338 already in the opened state, then it must not be closed with CloseProtocol(). This is required 339 to guarantee the state of ControllerHandle is not modified by this function. 340 341 @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. 342 @param[in] ControllerHandle The handle of the controller to test. This handle 343 must support a protocol interface that supplies 344 an I/O abstraction to the driver. 345 @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This 346 parameter is ignored by device drivers, and is optional for bus 347 drivers. For bus drivers, if this parameter is not NULL, then 348 the bus driver must determine if the bus controller specified 349 by ControllerHandle and the child controller specified 350 by RemainingDevicePath are both supported by this 351 bus driver. 352 353 @retval EFI_SUCCESS The device specified by ControllerHandle and 354 RemainingDevicePath is supported by the driver specified by This. 355 @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and 356 RemainingDevicePath is already being managed by the driver 357 specified by This. 358 @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and 359 RemainingDevicePath is already being managed by a different 360 driver or an application that requires exclusive access. 361 Currently not implemented. 362 @retval EFI_UNSUPPORTED The device specified by ControllerHandle and 363 RemainingDevicePath is not supported by the driver specified by This. 364 **/ 365 EFI_STATUS 366 EFIAPI 367 HttpBootIp6DxeDriverBindingSupported ( 368 IN EFI_DRIVER_BINDING_PROTOCOL *This, 369 IN EFI_HANDLE ControllerHandle, 370 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL 371 ); 372 373 /** 374 Starts a device controller or a bus controller. 375 376 The Start() function is designed to be invoked from the EFI boot service ConnectController(). 377 As a result, much of the error checking on the parameters to Start() has been moved into this 378 common boot service. It is legal to call Start() from other locations, 379 but the following calling restrictions must be followed, or the system behavior will not be deterministic. 380 1. ControllerHandle must be a valid EFI_HANDLE. 381 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned 382 EFI_DEVICE_PATH_PROTOCOL. 383 3. Prior to calling Start(), the Supported() function for the driver specified by This must 384 have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS. 385 386 @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. 387 @param[in] ControllerHandle The handle of the controller to start. This handle 388 must support a protocol interface that supplies 389 an I/O abstraction to the driver. 390 @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This 391 parameter is ignored by device drivers, and is optional for bus 392 drivers. For a bus driver, if this parameter is NULL, then handles 393 for all the children of Controller are created by this driver. 394 If this parameter is not NULL and the first Device Path Node is 395 not the End of Device Path Node, then only the handle for the 396 child device specified by the first Device Path Node of 397 RemainingDevicePath is created by this driver. 398 If the first Device Path Node of RemainingDevicePath is 399 the End of Device Path Node, no child handle is created by this 400 driver. 401 402 @retval EFI_SUCCESS The device was started. 403 @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented. 404 @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. 405 @retval Others The driver failded to start the device. 406 407 **/ 408 EFI_STATUS 409 EFIAPI 410 HttpBootIp6DxeDriverBindingStart ( 411 IN EFI_DRIVER_BINDING_PROTOCOL *This, 412 IN EFI_HANDLE ControllerHandle, 413 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL 414 ); 415 416 /** 417 Stops a device controller or a bus controller. 418 419 The Stop() function is designed to be invoked from the EFI boot service DisconnectController(). 420 As a result, much of the error checking on the parameters to Stop() has been moved 421 into this common boot service. It is legal to call Stop() from other locations, 422 but the following calling restrictions must be followed, or the system behavior will not be deterministic. 423 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this 424 same driver's Start() function. 425 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid 426 EFI_HANDLE. In addition, all of these handles must have been created in this driver's 427 Start() function, and the Start() function must have called OpenProtocol() on 428 ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. 429 430 @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. 431 @param[in] ControllerHandle A handle to the device being stopped. The handle must 432 support a bus specific I/O protocol for the driver 433 to use to stop the device. 434 @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer. 435 @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL 436 if NumberOfChildren is 0. 437 438 @retval EFI_SUCCESS The device was stopped. 439 @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error. 440 441 **/ 442 EFI_STATUS 443 EFIAPI 444 HttpBootIp6DxeDriverBindingStop ( 445 IN EFI_DRIVER_BINDING_PROTOCOL *This, 446 IN EFI_HANDLE ControllerHandle, 447 IN UINTN NumberOfChildren, 448 IN EFI_HANDLE *ChildHandleBuffer OPTIONAL 449 ); 450 #endif 451
