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 <sumit.garg@xxxxxxxxxx>
Co-developed-by: Ilias Apalodimas <ilias.apalodimas@xxxxxxxxxx>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@xxxxxxxxxx>
Signed-off-by: Masahisa Kojima <masahisa.kojima@xxxxxxxxxx>
---
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 d0dfa007bffc..d108cf03e19d 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -228,6 +228,18 @@ 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 bed3c92cbc31..b8ba9c5adc7a 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1349,4 +1349,7 @@ bool efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table)
return xen_efi_config_table_is_usable(guid, table);
}
+void efivars_generic_ops_register(void);
+void efivars_generic_ops_unregister(void);
+
#endif /* _LINUX_EFI_H */
--
2.30.2
