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efi_loader: list of open protocol infos

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Add a list of open protocol infos to each protocol of a handle.

Provide helper functions to access the list items.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt
2018-01-11 08:15:57 +01:00
committed by Alexander Graf
parent 5be9744ae7
commit fe1599daf5
2 changed files with 49 additions and 1 deletions
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15
include/efi_loader.h
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@@ -96,15 +96,28 @@ extern const efi_guid_t efi_file_info_guid;
extern unsigned int __efi_runtime_start, __efi_runtime_stop;
extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
/*
* When a protocol is opened a open protocol info entry is created.
* These are maintained in a list.
*/
struct efi_open_protocol_info_item {
/* Link to the list of open protocol info entries of a protocol */
struct list_head link;
struct efi_open_protocol_info_entry info;
};
/*
* When the UEFI payload wants to open a protocol on an object to get its
* interface (usually a struct with callback functions), this struct maps the
* protocol GUID to the respective protocol interface */
* protocol GUID to the respective protocol interface
*/
struct efi_handler {
/* Link to the list of protocols of a handle */
struct list_head link;
const efi_guid_t *guid;
void *protocol_interface;
/* Link to the list of open protocol info items */
struct list_head open_infos;
};
/*