diff options
Diffstat (limited to 'drivers/tee/tee_private.h')
| -rw-r--r-- | drivers/tee/tee_private.h | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/tee/tee_private.h b/drivers/tee/tee_private.h index 9bc50605227c..6bde688bfcb1 100644 --- a/drivers/tee/tee_private.h +++ b/drivers/tee/tee_private.h @@ -8,20 +8,28 @@ #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> -int tee_shm_get_fd(struct tee_shm *shm); - -bool tee_device_get(struct tee_device *teedev); -void tee_device_put(struct tee_device *teedev); +/* 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; +}; -void teedev_ctx_get(struct tee_context *ctx); -void teedev_ctx_put(struct tee_context *ctx); +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*/ |