From 6bb3703aa52c9b5bb9716cbeae7350247b675209 Mon Sep 17 00:00:00 2001 From: Masahisa Kojima Date: Tue, 7 Nov 2023 14:40:52 +0900 Subject: [PATCH] efi: expose efivar generic ops register function This is a preparation for supporting efivar operations provided by other than efi subsystem. Both register and unregister functions are exposed so that non-efi subsystem can revert the efi generic operation. Acked-by: Sumit Garg Co-developed-by: Ilias Apalodimas Signed-off-by: Ilias Apalodimas Signed-off-by: Masahisa Kojima Signed-off-by: Ard Biesheuvel --- drivers/firmware/efi/efi.c | 12 ++++++++++++ include/linux/efi.h | 3 +++ 2 files changed, 15 insertions(+) diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 9d3910d1abe19..32a67c61c3b84 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -231,6 +231,18 @@ static void generic_ops_unregister(void) efivars_unregister(&generic_efivars); } +void efivars_generic_ops_register(void) +{ + generic_ops_register(); +} +EXPORT_SYMBOL_GPL(efivars_generic_ops_register); + +void efivars_generic_ops_unregister(void) +{ + generic_ops_unregister(); +} +EXPORT_SYMBOL_GPL(efivars_generic_ops_unregister); + #ifdef CONFIG_EFI_CUSTOM_SSDT_OVERLAYS #define EFIVAR_SSDT_NAME_MAX 16UL static char efivar_ssdt[EFIVAR_SSDT_NAME_MAX] __initdata; diff --git a/include/linux/efi.h b/include/linux/efi.h index 9cc5bf32f6f28..1b2f50efb98ca 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -1348,4 +1348,7 @@ bool efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table) umode_t efi_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n); +void efivars_generic_ops_register(void); +void efivars_generic_ops_unregister(void); + #endif /* _LINUX_EFI_H */ -- 2.30.2