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| author | Nayna Jain <nayna@linux.ibm.com> | 2019-11-05 17:00:22 -0600 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-11-12 12:25:02 +1100 |
| commit | 1a8916ee3ac29054322cdac687d36e1b5894d272 (patch) | |
| tree | 64f2ce5cccea8774b8f5c97baf6ee7de4f5e8b24 /arch/powerpc/Kconfig | |
| parent | da0c9ea146cbe92b832f1b0f694840ea8eb33cce (diff) | |
| download | lwn-1a8916ee3ac29054322cdac687d36e1b5894d272.tar.gz lwn-1a8916ee3ac29054322cdac687d36e1b5894d272.zip | |
powerpc: Detect the secure boot mode of the system
This patch defines a function to detect the secure boot state of a
PowerNV system.
The PPC_SECURE_BOOT config represents the base enablement of secure
boot for powerpc.
Signed-off-by: Nayna Jain <nayna@linux.ibm.com>
Signed-off-by: Eric Richter <erichte@linux.ibm.com>
[mpe: Fold in change from Nayna to add "ibm,secureboot" to ids]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/46b003b9-3225-6bf7-9101-ed6580bb748c@linux.ibm.com
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 3e56c9c2f16e..56ea0019b616 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -934,6 +934,16 @@ config PPC_MEM_KEYS If unsure, say y. +config PPC_SECURE_BOOT + prompt "Enable secure boot support" + bool + depends on PPC_POWERNV + help + Systems with firmware secure boot enabled need to define security + policies to extend secure boot to the OS. This config allows a user + to enable OS secure boot on systems that have firmware support for + it. If in doubt say N. + endmenu config ISA_DMA_API |