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85 lines
2.7 KiB
Markdown
85 lines
2.7 KiB
Markdown
---
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title: UEFI CSP
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description: The Uefi CSP interfaces to UEFI's Device Firmware Configuration Interface (DFCI) to make BIOS configuration changes.
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ms.author: maricia
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ms.topic: article
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ms.prod: w10
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ms.technology: windows
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author: MariciaAlforque
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ms.date: 02/01/2018
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---
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# UEFI CSP
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The UEFI configuration service provider (CSP) interfaces to UEFI's Device Firmware Configuration Interface (DFCI) to make BIOS configuration changes. This CSP was added in Windows 10, version 1803.
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The following diagram shows the UEFI CSP in tree format.
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The following list describes the characteristics and parameters.
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<a href="" id="uefi"></a>**./Vendor/MSFT/Uefi**
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Root node.
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<a href="" id="uefideviceidentifier"></a>**UefiDeviceIdentifier**
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Retrieves XML from UEFI which describes the device identifier.
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Supported operation is Get.
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<a href="" id="identityinfo"></a>**IdentityInfo**
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Node for provisioned signers operations.
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<a href="" id="identityinfo-current"></a>**IdentityInfo/Current**
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Retrieves XML from UEFI which describes the current UEFI identity information.
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Supported operation is Get.
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<a href="" id="identityinfo-apply"></a>**IdentityInfo/Apply**
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Apply an identity information package to UEFI. Input is the signed package in base64 encoded format.
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Supported operation is Replace.
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<a href="" id="identityinfo-applyresult"></a>**IdentityInfo/ApplyResult**
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Retrieves XML describing the results of previous ApplyIdentityInfo operation.
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Supported operation is Get.
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<a href="" id="authinfo"></a>**AuthInfo**
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Node for permission information operations.
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<a href="" id="authinfo-current"></a>**AuthInfo/Current**
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Retrieves XML from UEFI which describes the current UEFI permission/authentication information.
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Supported operation is Get.
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<a href="" id="authinfo-apply"></a>**AuthInfo/Apply**
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Apply a permission/authentication information package to UEFI. Input is the signed package in base64 encoded format.
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Supported operation is Replace.
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<a href="" id="authinfo-applyresult"></a>**AuthInfo/ApplyResult**
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Retrieves XML describing the results of previous ApplyAuthInfo operation.
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Supported operation is Get.
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<a href="" id="config"></a>**Config**
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Node for device configuration
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<a href="" id="config-current"></a>**Config/Current**
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Retrieves XML from UEFI which describes the current UEFI configuration.
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Supported operation is Get.
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<a href="" id="config-apply"></a>**Config/Apply**
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Apply a configuration package to UEFI. Input is the signed package in base64 encoded format.
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Supported operation is Replace.
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<a href="" id="config-applyresult"></a>**Config/ApplyResult**
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Retrieves XML describing the results of previous ApplyConfig operation.
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Supported operation is Get.
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