diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2025-09-18 13:56:17 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2025-09-19 10:12:01 +0100 |
| commit | 9e8a3df3e7f762966762a6fbf3282b9da2074127 (patch) | |
| tree | 6d8e832149f24b49bce3f7c19ac08a908b185cc6 | |
| parent | fa84e534c3ec2904d8718a83180294f7b5afecc7 (diff) | |
arm64: Enable EFI secret area Securityfs support
Enable EFI COCO secrets support. Provide the ioremap_encrypted() support required
by the driver.
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
Cc: Steven Price <steven.price@arm.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Tested-by: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | arch/arm64/include/asm/io.h | 4 | ||||
| -rw-r--r-- | drivers/virt/coco/efi_secret/Kconfig | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 82276282a3c7..83e03abbb2ca 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -274,6 +274,10 @@ int arm64_ioremap_prot_hook_register(const ioremap_prot_hook_t hook); #define ioremap_np(addr, size) \ ioremap_prot((addr), (size), __pgprot(PROT_DEVICE_nGnRnE)) + +#define ioremap_encrypted(addr, size) \ + ioremap_prot((addr), (size), PAGE_KERNEL) + /* * io{read,write}{16,32,64}be() macros */ diff --git a/drivers/virt/coco/efi_secret/Kconfig b/drivers/virt/coco/efi_secret/Kconfig index 4404d198f3b2..94d88e5da707 100644 --- a/drivers/virt/coco/efi_secret/Kconfig +++ b/drivers/virt/coco/efi_secret/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config EFI_SECRET tristate "EFI secret area securityfs support" - depends on EFI && X86_64 + depends on EFI && (X86_64 || ARM64) select EFI_COCO_SECRET select SECURITYFS help |