threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2015-2018 TrustKernel Incorporated
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef TEE_HANDLE_H
|
|
#define TEE_HANDLE_H
|
|
|
|
struct handle_db {
|
|
void **ptrs;
|
|
unsigned int max_ptrs;
|
|
};
|
|
|
|
#define HANDLE_DB_INITIALIZER { NULL, 0 }
|
|
|
|
/*
|
|
* Frees all internal data structures of the database, but does not free
|
|
* the db pointer. The database is safe to reuse after it's destroyed, it
|
|
* just be empty again.
|
|
*/
|
|
void handle_db_destroy(struct handle_db *db);
|
|
|
|
/*
|
|
* Allocates a new handle and assigns the supplied pointer to it,
|
|
* ptr must not be NULL.
|
|
* The function returns
|
|
* >= 0 on success and
|
|
* -1 on failure
|
|
*/
|
|
int handle_get(struct handle_db *db, void *ptr);
|
|
|
|
/*
|
|
* Deallocates a handle. Returns the associated pointer of the handle
|
|
* the the handle was valid or NULL if it's invalid.
|
|
*/
|
|
void *handle_put(struct handle_db *db, int handle);
|
|
|
|
/*
|
|
* Returns the associated pointer of the handle if the handle is a valid
|
|
* handle.
|
|
* Returns NULL on failure.
|
|
*/
|
|
void *handle_lookup(struct handle_db *db, int handle);
|
|
|
|
#endif /*HANDLE_H*/
|