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tristate features will automatically disable if dependencies marked as required are missing. Packagers can manually override using `auto_features`. Link: https://mesonbuild.com/Build-options.html#features
52 lines
1.3 KiB
Markdown
52 lines
1.3 KiB
Markdown
# Dell ESRT Support
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## Introduction
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This allows enabling the BIOS setup option for UEFI capsule updates without
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manually going into BIOS setup.
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## GUID Generation
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These device uses a hardcoded GUID of `2d47f29b-83a2-4f31-a2e8-63474f4d4c2e`.
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## Vendor ID Security
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The vendor ID is hardcoded to `PCI:0x1028`.
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## Build Requirements
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For Dell support you will need libsmbios_c version 2.4.0 or later.
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* [source](https://github.com/dell/libsmbios)
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* [binaries](https://github.com/dell/libsmbios/releases)
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If you don't want or need this functionality you can use the
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`-Dplugin_dell=disabled` option.
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## Devices powered by the Dell Plugin
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The Dell ESRT plugin allows the user to enable the UpdateCapsule functionality
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at runtime. A reboot will be required and the BIOS administrator password
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must not be set.
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Machines that offer this functionality will display an extra device in
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`fwupdmgr get-devices` output.
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Example:
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```text
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UEFI dummy device
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Guid: 2d47f29b-83a2-4f31-a2e8-63474f4d4c2e
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Plugin: dell-esrt
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Flags: internal|updatable|locked
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Version: 0
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Created: 2018-06-25
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```
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## External Interface Access
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This plugin requires:
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* read/write access to `/dev/wmi/dell-smbios` and `/sys/bus/platform/devices/dcdbas`.
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* read access to `/sys/firmware/efi/esrt`.
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