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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigRouting.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigRouting.h | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigRouting.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigRouting.h new file mode 100644 index 0000000000..89f3f9b2db --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigRouting.h @@ -0,0 +1,419 @@ +/** @file + The file provides services to manage the movement of + configuration data from drivers to configuration applications. + It then serves as the single point to receive configuration + information from configuration applications, routing the + results to the appropriate drivers. + +Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials are licensed and made available under +the terms and conditions of the BSD License that accompanies this distribution. +The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php. + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __HII_CONFIG_ROUTING_H__ +#define __HII_CONFIG_ROUTING_H__ + +#define EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID \ + { 0x587e72d7, 0xcc50, 0x4f79, { 0x82, 0x09, 0xca, 0x29, 0x1f, 0xc1, 0xa1, 0x0f } } + + +typedef struct _EFI_HII_CONFIG_ROUTING_PROTOCOL EFI_HII_CONFIG_ROUTING_PROTOCOL; + +/** + + This function allows the caller to request the current + configuration for one or more named elements from one or more + drivers. The resulting string is in the standard HII + configuration string format. If Successful, Results contains an + equivalent string with "=" and the values associated with all + names added in. The expected implementation is for each + <ConfigRequest> substring in the Request to call the HII + Configuration Routing Protocol ExtractProtocol function for the + driver corresponding to the <ConfigHdr> at the start of the + <ConfigRequest> substring. The request fails if no driver + matches the <ConfigRequest> substring. Note: Alternative + configuration strings may also be appended to the end of the + current configuration string. If they are, they must appear + after the current configuration. They must contain the same + routing (GUID, NAME, PATH) as the current configuration string. + They must have an additional description indicating the type of + alternative configuration the string represents, + "ALTCFG=<StringToken>". That <StringToken> (when converted from + hexadecimal (encoded as text) to binary) is a reference to a string in the + associated string pack. As an example, assume that the Request + string is: + GUID=...&NAME=00480050&PATH=...&Fred&George&Ron&Neville A result + might be: + GUID=...&NAME=00480050&PATH=...&Fred=16&George=16&Ron=12&Neville=11& + GUID=...&NAME=00480050&PATH=...&ALTCFG=0037&Fred=12&Neville=7 + + @param This Points to the EFI_HII_CONFIG_ROUTING_PROTOCOL + instance. + + @param Request A null-terminated string in <MultiConfigRequest> format. + + @param Progress On return, points to a character in the + Request string. Points to the string's null + terminator if the request was successful. Points + to the most recent '&' before the first + failing name / value pair (or the beginning + of the string if the failure is in the first + name / value pair) if the request was not + successful + + @param Results A null-terminated string in <MultiConfigAltResp> format + which has all values filled in for the names in the + Request string. + + @retval EFI_SUCCESS The Results string is filled with the + values corresponding to all requested + names. + + @retval EFI_OUT_OF_RESOURCES Not enough memory to store the + parts of the results that must be + stored awaiting possible future + protocols. + + @retval EFI_INVALID_PARAMETER For example, passing in a NULL + for the Request parameter + would result in this type of + error. The Progress parameter + is set to NULL. + + @retval EFI_NOT_FOUND Routing data doesn't match any + known driver. Progress set to + the "G" in "GUID" of the + routing header that doesn't + match. Note: There is no + requirement that all routing + data be validated before any + configuration extraction. + + @retval EFI_INVALID_PARAMETER Illegal syntax. Progress set + to the most recent & before the + error, or the beginning of the + string. + @retval EFI_INVALID_PARAMETER The ExtractConfig function of the + underlying HII Configuration + Access Protocol returned + EFI_INVALID_PARAMETER. Progress + set to most recent & before the + error or the beginning of the + string. + +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_EXTRACT_CONFIG)( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN CONST EFI_STRING Request, + OUT EFI_STRING *Progress, + OUT EFI_STRING *Results +); + +/** + This function allows the caller to request the current configuration + for the entirety of the current HII database and returns the data in + a null-terminated string. + + This function allows the caller to request the current + configuration for all of the current HII database. The results + include both the current and alternate configurations as + described in ExtractConfig() above. + + @param This Points to the EFI_HII_CONFIG_ROUTING_PROTOCOL instance. + + @param Results Null-terminated Unicode string in + <MultiConfigAltResp> format which has all values + filled in for the entirety of the current HII + database. String to be allocated by the called + function. De-allocation is up to the caller. + + @retval EFI_SUCCESS The Results string is filled with the + values corresponding to all requested + names. + + @retval EFI_OUT_OF_RESOURCES Not enough memory to store the + parts of the results that must be + stored awaiting possible future + protocols. + + @retval EFI_INVALID_PARAMETERS For example, passing in a NULL + for the Results parameter + would result in this type of + error. + +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_EXPORT_CONFIG)( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + OUT EFI_STRING *Results +); + +/** + + This function routes the results of processing forms to the + appropriate targets. It scans for <ConfigHdr> within the string + and passes the header and subsequent body to the driver whose + location is described in the <ConfigHdr>. Many <ConfigHdr>s may + appear as a single request. The expected implementation is to + hand off the various <ConfigResp> substrings to the + Configuration Access Protocol RouteConfig routine corresponding + to the driver whose routing information is defined by the + <ConfigHdr> in turn. + + @param This Points to the EFI_HII_CONFIG_ROUTING_PROTOCOL instance. + + @param Configuration A null-terminated string in <MulltiConfigResp> format. + + @param Progress A pointer to a string filled in with the + offset of the most recent '&' before the + first failing name / value pair (or the + beginning of the string if the failure is in + the first name / value pair), or the + terminating NULL if all was successful. + + @retval EFI_SUCCESS The results have been distributed or are + awaiting distribution. + + @retval EFI_OUT_OF_RESOURCES Not enough memory to store the + parts of the results that must be + stored awaiting possible future + protocols. + + @retval EFI_INVALID_PARAMETERS Passing in a NULL for the + Results parameter would result + in this type of error. + + @retval EFI_NOT_FOUND The target for the specified routing data + was not found. + +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_ROUTE_CONFIG)( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN CONST EFI_STRING Configuration, + OUT EFI_STRING *Progress +); + + +/** + + This function extracts the current configuration from a block of + bytes. To do so, it requires that the ConfigRequest string + consists of a list of <BlockName> formatted names. It uses the + offset in the name to determine the index into the Block to + start the extraction and the width of each name to determine the + number of bytes to extract. These are mapped to a string + using the equivalent of the C "%x" format (with optional leading + spaces). The call fails if, for any (offset, width) pair in + ConfigRequest, offset+value >= BlockSize. + + @param This Points to the EFI_HII_CONFIG_ROUTING_PROTOCOL instance. + + @param ConfigRequest A null-terminated string in <ConfigRequest> format. + + @param Block An array of bytes defining the block's + configuration. + + @param BlockSize The length in bytes of Block. + + @param Config The filled-in configuration string. String + allocated by the function. Returned only if + call is successful. The null-terminated string + will be <ConfigResp> format. + + @param Progress A pointer to a string filled in with the + offset of the most recent '&' before the + first failing name / value pair (or the + beginning of the string if the failure is in + the first name / value pair), or the + terminating NULL if all was successful. + + @retval EFI_SUCCESS The request succeeded. Progress points + to the null terminator at the end of the + ConfigRequest string. + + @retval EFI_OUT_OF_RESOURCES Not enough memory to allocate + Config. Progress points to the + first character of ConfigRequest. + + @retval EFI_INVALID_PARAMETERS Passing in a NULL for the + ConfigRequest or Block + parameter would result in this + type of error. Progress points + to the first character of + ConfigRequest. + + @retval EFI_NOT_FOUND The target for the specified routing data + was not found. Progress points to the + 'G' in "GUID" of the errant routing + data. + @retval EFI_DEVICE_ERROR The block is not large enough. Progress undefined. + + @retval EFI_INVALID_PARAMETER Encountered non <BlockName> + formatted string. Block is + left updated and Progress + points at the '&' preceding + the first non-<BlockName>. + +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_BLOCK_TO_CONFIG)( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN CONST EFI_STRING ConfigRequest, + IN CONST UINT8 *Block, + IN CONST UINTN BlockSize, + OUT EFI_STRING *Config, + OUT EFI_STRING *Progress +); + + + +/** + This function maps a configuration containing a series of + <BlockConfig> formatted name value pairs in ConfigResp into a + Block so it may be stored in a linear mapped storage such as a + UEFI Variable. If present, the function skips GUID, NAME, and + PATH in <ConfigResp>. It stops when it finds a non-<BlockConfig> + name / value pair (after skipping the routing header) or when it + reaches the end of the string. + Example Assume an existing block containing: 00 01 02 03 04 05 + And the ConfigResp string is: + OFFSET=4&WIDTH=1&VALUE=7&OFFSET=0&WIDTH=2&VALUE=AA55 + The results are + 55 AA 02 07 04 05 + + @param This Points to the EFI_HII_CONFIG_ROUTING_PROTOCOL instance. + + @param ConfigResp A null-terminated string in <ConfigResp> format. + + @param Block A possibly null array of bytes + representing the current block. Only + bytes referenced in the ConfigResp + string in the block are modified. If + this parameter is null or if the + BlockLength parameter is (on input) + shorter than required by the + Configuration string, only the BlockSize + parameter is updated, and an appropriate + status (see below) is returned. + + @param BlockSize The length of the Block in units of UINT8. + On input, this is the size of the Block. On + output, if successful, contains the largest + index of the modified byte in the Block, or + the required buffer size if the Block is not + large enough. + + @param Progress On return, points to an element of the + ConfigResp string filled in with the offset + of the most recent "&" before the first + failing name / value pair (or the beginning + of the string if the failure is in the first + name / value pair), or the terminating NULL + if all was successful. + + @retval EFI_SUCCESS The request succeeded. Progress points to the null + terminator at the end of the ConfigResp string. + @retval EFI_OUT_OF_RESOURCES Not enough memory to allocate Config. Progress + points to the first character of ConfigResp. + @retval EFI_INVALID_PARAMETER Passing in a NULL for the ConfigResp or + Block parameter would result in this type of + error. Progress points to the first character of + ConfigResp. + @retval EFI_INVALID_PARAMETER Encountered non <BlockName> formatted name / + value pair. Block is left updated and + Progress points at the '&' preceding the first + non-<BlockName>. + @retval EFI_DEVICE_ERROR Block not large enough. Progress undefined. + @retval EFI_NOT_FOUND Target for the specified routing data was not found. + Progress points to the "G" in "GUID" of the errant + routing data. + @retval EFI_BUFFER_TOO_SMALL Block not large enough. Progress undefined. + BlockSize is updated with the required buffer size. + +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_CONFIG_TO_BLOCK)( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN CONST EFI_STRING ConfigResp, + IN OUT UINT8 *Block, + IN OUT UINTN *BlockSize, + OUT EFI_STRING *Progress +); + +/** + This helper function is to be called by drivers to extract portions of + a larger configuration string. + + @param This A pointer to the EFI_HII_CONFIG_ROUTING_PROTOCOL instance. + @param ConfigResp A null-terminated string in <ConfigAltResp> format. + @param Guid A pointer to the GUID value to search for in the + routing portion of the ConfigResp string when retrieving + the requested data. If Guid is NULL, then all GUID + values will be searched for. + @param Name A pointer to the NAME value to search for in the + routing portion of the ConfigResp string when retrieving + the requested data. If Name is NULL, then all Name + values will be searched for. + @param DevicePath A pointer to the PATH value to search for in the + routing portion of the ConfigResp string when retrieving + the requested data. If DevicePath is NULL, then all + DevicePath values will be searched for. + @param AltCfgId A pointer to the ALTCFG value to search for in the + routing portion of the ConfigResp string when retrieving + the requested data. If this parameter is NULL, + then the current setting will be retrieved. + @param AltCfgResp A pointer to a buffer which will be allocated by the + function which contains the retrieved string as requested. + This buffer is only allocated if the call was successful. + The null-terminated string will be <ConfigResp> format. + + @retval EFI_SUCCESS The request succeeded. The requested data was extracted + and placed in the newly allocated AltCfgResp buffer. + @retval EFI_OUT_OF_RESOURCES Not enough memory to allocate AltCfgResp. + @retval EFI_INVALID_PARAMETER Any parameter is invalid. + @retval EFI_NOT_FOUND The target for the specified routing data was not found. +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_GET_ALT_CFG)( + IN CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *This, + IN CONST EFI_STRING ConfigResp, + IN CONST EFI_GUID *Guid, + IN CONST EFI_STRING Name, + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + IN CONST UINT16 *AltCfgId, + OUT EFI_STRING *AltCfgResp + ); + +/// +/// This protocol defines the configuration routing interfaces +/// between external applications and the HII. There may only be one +/// instance of this protocol in the system. +/// +struct _EFI_HII_CONFIG_ROUTING_PROTOCOL { + EFI_HII_EXTRACT_CONFIG ExtractConfig; + EFI_HII_EXPORT_CONFIG ExportConfig; + EFI_HII_ROUTE_CONFIG RouteConfig; + EFI_HII_BLOCK_TO_CONFIG BlockToConfig; + EFI_HII_CONFIG_TO_BLOCK ConfigToBlock; + EFI_HII_GET_ALT_CFG GetAltConfig; +}; + +extern EFI_GUID gEfiHiiConfigRoutingProtocolGuid; + + +#endif + |