diff options
Diffstat (limited to 'drivers/tee/tee_private.h')
| -rw-r--r-- | drivers/tee/tee_private.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/tee/tee_private.h b/drivers/tee/tee_private.h new file mode 100644 index 000000000..6bde688bf --- /dev/null +++ b/drivers/tee/tee_private.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015-2016, Linaro Limited + */ +#ifndef TEE_PRIVATE_H +#define TEE_PRIVATE_H + +#include <linux/cdev.h> +#include <linux/completion.h> +#include <linux/device.h> +#include <linux/dma-buf.h> +#include <linux/kref.h> +#include <linux/mutex.h> +#include <linux/types.h> + +/* extra references appended to shm object for registered shared memory */ +struct tee_shm_dmabuf_ref { + struct tee_shm shm; + size_t offset; + struct dma_buf *dmabuf; + struct tee_shm *parent_shm; +}; + +int tee_shm_get_fd(struct tee_shm *shm); + +struct tee_shm *tee_shm_alloc_user_buf(struct tee_context *ctx, size_t size); +struct tee_shm *tee_shm_register_user_buf(struct tee_context *ctx, + unsigned long addr, size_t length); + +int tee_heap_update_from_dma_buf(struct tee_device *teedev, + struct dma_buf *dmabuf, size_t *offset, + struct tee_shm *shm, + struct tee_shm **parent_shm); + +#endif /*TEE_PRIVATE_H*/ |