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1# SPDX-License-Identifier: GPL-2.0-only2config EFI_SECRET3 tristate "EFI secret area securityfs support"4 depends on EFI && X86_645 select EFI_COCO_SECRET6 select SECURITYFS7 help8 This is a driver for accessing the EFI secret area via securityfs.9 The EFI secret area is a memory area designated by the firmware for10 confidential computing secret injection (for example for AMD SEV11 guests). The driver exposes the secrets as files in12 <securityfs>/secrets/coco. Files can be read and deleted (deleting13 a file wipes the secret from memory).14 15 To compile this driver as a module, choose M here.16 The module will be called efi_secret.17