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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigAccess.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigAccess.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigAccess.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigAccess.h new file mode 100644 index 0000000000..3b076511c6 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/HiiConfigAccess.h @@ -0,0 +1,223 @@ +/** @file + + The EFI HII results processing protocol invokes this type of protocol + when it needs to forward results to a driver's configuration handler. + This protocol is published by drivers providing and requesting + configuration data from HII. It may only be invoked by HII. + +Copyright (c) 2006 - 2016, 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 __EFI_HII_CONFIG_ACCESS_H__ +#define __EFI_HII_CONFIG_ACCESS_H__ + +#include <Protocol/FormBrowser2.h> + +#define EFI_HII_CONFIG_ACCESS_PROTOCOL_GUID \ + { 0x330d4706, 0xf2a0, 0x4e4f, { 0xa3, 0x69, 0xb6, 0x6f, 0xa8, 0xd5, 0x43, 0x85 } } + +typedef struct _EFI_HII_CONFIG_ACCESS_PROTOCOL EFI_HII_CONFIG_ACCESS_PROTOCOL; + +typedef UINTN EFI_BROWSER_ACTION; + +#define EFI_BROWSER_ACTION_CHANGING 0 +#define EFI_BROWSER_ACTION_CHANGED 1 +#define EFI_BROWSER_ACTION_RETRIEVE 2 +#define EFI_BROWSER_ACTION_FORM_OPEN 3 +#define EFI_BROWSER_ACTION_FORM_CLOSE 4 +#define EFI_BROWSER_ACTION_SUBMITTED 5 +#define EFI_BROWSER_ACTION_DEFAULT_STANDARD 0x1000 +#define EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING 0x1001 +#define EFI_BROWSER_ACTION_DEFAULT_SAFE 0x1002 +#define EFI_BROWSER_ACTION_DEFAULT_PLATFORM 0x2000 +#define EFI_BROWSER_ACTION_DEFAULT_HARDWARE 0x3000 +#define EFI_BROWSER_ACTION_DEFAULT_FIRMWARE 0x4000 + +/** + + This function allows the caller to request the current + configuration for one or more named elements. The resulting + string is in <ConfigAltResp> format. Any and all alternative + configuration strings shall 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 Hex UNICODE to binary) is a reference to a + string in the associated string pack. + + @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL. + + @param Request A null-terminated Unicode string in + <ConfigRequest> format. Note that this + includes the routing information as well as + the configurable name / value pairs. It is + invalid for this string to be in + <MultiConfigRequest> format. + If a NULL is passed in for the Request field, + all of the settings being abstracted by this function + will be returned in the Results field. In addition, + if a ConfigHdr is passed in with no request elements, + all of the settings being abstracted for that particular + ConfigHdr reference will be returned in the Results Field. + + @param Progress On return, points to a character in the + Request string. Points to the string's null + terminator if 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 Unicode string in + <MultiConfigAltResp> format which has all values + filled in for the names in the Request string. + String to be allocated by the called function. + + @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_NOT_FOUND A configuration element matching + the routing data is not found. + Progress set to the first character + in the routing header. + + @retval EFI_INVALID_PARAMETER Illegal syntax. Progress set + to most recent "&" before the + error or the beginning of the + string. + + @retval EFI_INVALID_PARAMETER Unknown name. Progress points + to the & before the name in + question. + +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_ACCESS_EXTRACT_CONFIG)( + IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This, + IN CONST EFI_STRING Request, + OUT EFI_STRING *Progress, + OUT EFI_STRING *Results +); + + +/** + + This function applies changes in a driver's configuration. + Input is a Configuration, which has the routing data for this + driver followed by name / value configuration pairs. The driver + must apply those pairs to its configurable storage. If the + driver's configuration is stored in a linear block of data + and the driver's name / value pairs are in <BlockConfig> + format, it may use the ConfigToBlock helper function (above) to + simplify the job. + + @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL. + + @param Configuration A null-terminated Unicode string in + <ConfigString> 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 + beginn ing 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 Target for the specified routing data + was not found + +**/ +typedef +EFI_STATUS +(EFIAPI * EFI_HII_ACCESS_ROUTE_CONFIG)( + IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This, + IN CONST EFI_STRING Configuration, + OUT EFI_STRING *Progress +); + +/** + + This function is called to provide results data to the driver. + This data consists of a unique key that is used to identify + which data is either being passed back or being asked for. + + @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL. + @param Action Specifies the type of action taken by the browser. + @param QuestionId A unique value which is sent to the original + exporting driver so that it can identify the type + of data to expect. The format of the data tends to + vary based on the opcode that generated the callback. + @param Type The type of value for the question. + @param Value A pointer to the data being sent to the original + exporting driver. + @param ActionRequest On return, points to the action requested by the + callback function. + + @retval EFI_SUCCESS The callback successfully handled the action. + @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the + variable and its data. + @retval EFI_DEVICE_ERROR The variable could not be saved. + @retval EFI_UNSUPPORTED The specified Action is not supported by the + callback. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_ACCESS_FORM_CALLBACK)( + IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This, + IN EFI_BROWSER_ACTION Action, + IN EFI_QUESTION_ID QuestionId, + IN UINT8 Type, + IN OUT EFI_IFR_TYPE_VALUE *Value, + OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest + ) + ; + +/// +/// This protocol provides a callable interface between the HII and +/// drivers. Only drivers which provide IFR data to HII are required +/// to publish this protocol. +/// +struct _EFI_HII_CONFIG_ACCESS_PROTOCOL { + EFI_HII_ACCESS_EXTRACT_CONFIG ExtractConfig; + EFI_HII_ACCESS_ROUTE_CONFIG RouteConfig; + EFI_HII_ACCESS_FORM_CALLBACK Callback; +} ; + +extern EFI_GUID gEfiHiiConfigAccessProtocolGuid; + +#endif + + |