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-rw-r--r--include/linux/tee_core.h1
-rw-r--r--include/linux/tee_drv.h10
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/tee_core.h b/include/linux/tee_core.h
index 28b65010b9ed..b6c54b34a8b5 100644
--- a/include/linux/tee_core.h
+++ b/include/linux/tee_core.h
@@ -28,6 +28,7 @@
#define TEE_SHM_USER_MAPPED BIT(1) /* Memory mapped in user space */
#define TEE_SHM_POOL BIT(2) /* Memory allocated from pool */
#define TEE_SHM_PRIV BIT(3) /* Memory private to TEE driver */
+#define TEE_SHM_DMA_BUF BIT(4) /* Memory with dma-buf handle */
#define TEE_DEVICE_FLAG_REGISTERED 0x1
#define TEE_MAX_DEV_NAME_LEN 32
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index a54c203000ed..824f1251de60 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -117,6 +117,16 @@ struct tee_shm *tee_shm_register_kernel_buf(struct tee_context *ctx,
void *addr, size_t length);
/**
+ * tee_shm_register_fd() - Register shared memory from file descriptor
+ *
+ * @ctx: Context that allocates the shared memory
+ * @fd: Shared memory file descriptor reference
+ *
+ * @returns a pointer to 'struct tee_shm' on success, and ERR_PTR on failure
+ */
+struct tee_shm *tee_shm_register_fd(struct tee_context *ctx, int fd);
+
+/**
* tee_shm_free() - Free shared memory
* @shm: Handle to shared memory to free
*/