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-rw-r--r--include/linux/tee_drv.h60
1 files changed, 20 insertions, 40 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index a4393c8c38f3..ed641dc314bd 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright (c) 2015-2016 Linaro Limited
+ * Copyright (c) 2015-2022 Linaro Limited
*/
#ifndef __TEE_DRV_H
@@ -221,62 +221,39 @@ struct tee_shm {
};
/**
- * struct tee_shm_pool_mgr - shared memory manager
+ * struct tee_shm_pool - shared memory pool
* @ops: operations
* @private_data: private data for the shared memory manager
*/
-struct tee_shm_pool_mgr {
- const struct tee_shm_pool_mgr_ops *ops;
+struct tee_shm_pool {
+ const struct tee_shm_pool_ops *ops;
void *private_data;
};
/**
- * struct tee_shm_pool_mgr_ops - shared memory pool manager operations
+ * struct tee_shm_pool_ops - shared memory pool operations
* @alloc: called when allocating shared memory
* @free: called when freeing shared memory
- * @destroy_poolmgr: called when destroying the pool manager
+ * @destroy_pool: called when destroying the pool
*/
-struct tee_shm_pool_mgr_ops {
- int (*alloc)(struct tee_shm_pool_mgr *poolmgr, struct tee_shm *shm,
- size_t size);
- void (*free)(struct tee_shm_pool_mgr *poolmgr, struct tee_shm *shm);
- void (*destroy_poolmgr)(struct tee_shm_pool_mgr *poolmgr);
+struct tee_shm_pool_ops {
+ int (*alloc)(struct tee_shm_pool *pool, struct tee_shm *shm,
+ size_t size, size_t align);
+ void (*free)(struct tee_shm_pool *pool, struct tee_shm *shm);
+ void (*destroy_pool)(struct tee_shm_pool *pool);
};
-/**
- * tee_shm_pool_alloc() - Create a shared memory pool from shm managers
- * @priv_mgr: manager for driver private shared memory allocations
- * @dmabuf_mgr: manager for dma-buf shared memory allocations
- *
- * Allocation with the flag TEE_SHM_DMA_BUF set will use the range supplied
- * in @dmabuf, others will use the range provided by @priv.
- *
- * @returns pointer to a 'struct tee_shm_pool' or an ERR_PTR on failure.
- */
-struct tee_shm_pool *tee_shm_pool_alloc(struct tee_shm_pool_mgr *priv_mgr,
- struct tee_shm_pool_mgr *dmabuf_mgr);
-
/*
- * tee_shm_pool_mgr_alloc_res_mem() - Create a shm manager for reserved
- * memory
+ * tee_shm_pool_alloc_res_mem() - Create a shm manager for reserved memory
* @vaddr: Virtual address of start of pool
* @paddr: Physical address of start of pool
* @size: Size in bytes of the pool
*
- * @returns pointer to a 'struct tee_shm_pool_mgr' or an ERR_PTR on failure.
- */
-struct tee_shm_pool_mgr *tee_shm_pool_mgr_alloc_res_mem(unsigned long vaddr,
- phys_addr_t paddr,
- size_t size,
- int min_alloc_order);
-
-/**
- * tee_shm_pool_mgr_destroy() - Free a shared memory manager
+ * @returns pointer to a 'struct tee_shm_pool' or an ERR_PTR on failure.
*/
-static inline void tee_shm_pool_mgr_destroy(struct tee_shm_pool_mgr *poolm)
-{
- poolm->ops->destroy_poolmgr(poolm);
-}
+struct tee_shm_pool *tee_shm_pool_alloc_res_mem(unsigned long vaddr,
+ phys_addr_t paddr, size_t size,
+ int min_alloc_order);
/**
* tee_shm_pool_free() - Free a shared memory pool
@@ -285,7 +262,10 @@ static inline void tee_shm_pool_mgr_destroy(struct tee_shm_pool_mgr *poolm)
* The must be no remaining shared memory allocated from this pool when
* this function is called.
*/
-void tee_shm_pool_free(struct tee_shm_pool *pool);
+static inline void tee_shm_pool_free(struct tee_shm_pool *pool)
+{
+ pool->ops->destroy_pool(pool);
+}
/**
* tee_get_drvdata() - Return driver_data pointer