tee: optee: add optee-specific shared pool implementation

This is simple pool that uses kernel page allocator. This pool can be
used in case OP-TEE supports dynamic shared memory.

Signed-off-by: Volodymyr Babchuk <vlad.babchuk@gmail.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/tee/optee/shm_pool.h b/drivers/tee/optee/shm_pool.h
new file mode 100644
index 000000000000..4e753c3bf7ec
--- /dev/null
+++ b/drivers/tee/optee/shm_pool.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2015, Linaro Limited
+ * Copyright (c) 2016, EPAM Systems
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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 SHM_POOL_H
+#define SHM_POOL_H
+
+#include <linux/tee_drv.h>
+
+struct tee_shm_pool_mgr *optee_shm_pool_alloc_pages(void);
+
+#endif