diff options
Diffstat (limited to 'include/efi_driver.h')
| -rw-r--r-- | include/efi_driver.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/efi_driver.h b/include/efi_driver.h new file mode 100644 index 00000000000..63a95e4cf80 --- /dev/null +++ b/include/efi_driver.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Internal structures for the EFI driver binding protocol + * + * Copyright (c) 2017 Heinrich Schuchardt + */ + +#ifndef _EFI_DRIVER_H +#define _EFI_DRIVER_H 1 + +#include <efi_loader.h> + +/** + * struct efi_driver_binding_extended_protocol - extended driver binding protocol + * + * This structure adds internal fields to the driver binding protocol. + * + * @bp: driver binding protocol + * @ops: operations supported by the driver + */ +struct efi_driver_binding_extended_protocol { + struct efi_driver_binding_protocol bp; + const struct efi_driver_ops *ops; +}; + +/** + * struct efi_driver_ops - operations support by an EFI driver + * + * @protocol: The GUID of the protocol which is consumed by the + * driver. This GUID is used by the EFI uclass in the + * supports() and start() methods of the + * EFI_DRIVER_BINDING_PROTOCOL. + * @child_protocol: Protocol supported by the child handles generated by + * the EFI driver. + * @init: Function called by the EFI uclass after installing the + * driver binding protocol. + * @bind: Function called by the EFI uclass to attach the + * driver to EFI driver to a handle. + */ +struct efi_driver_ops { + const efi_guid_t *protocol; + const efi_guid_t *child_protocol; + efi_status_t (*init)(struct efi_driver_binding_extended_protocol *this); + efi_status_t (*bind)(struct efi_driver_binding_extended_protocol *this, + efi_handle_t handle, void *interface); +}; + +#endif /* _EFI_DRIVER_H */ |