1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/tee/tee_private.h b/drivers/tee/tee_private.h
new file mode 100644
index 000000000000..41193e4b4f08
--- /dev/null
+++ b/drivers/tee/tee_private.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2015-2016, Linaro Limited
+ *
+ * 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 TEE_PRIVATE_H
+#define TEE_PRIVATE_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/cdev.h>
+#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <linux/kref.h>
+
+struct tee_device;
+
+struct tee_shm {
+	struct tee_device *teedev;
+	phys_addr_t paddr;
+	void *kaddr;
+	size_t size;
+	struct dma_buf *dmabuf;
+	u32 flags;
+	int id;
+};
+
+struct tee_shm_pool_mgr;
+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);
+};
+
+struct tee_shm_pool_mgr {
+	const struct tee_shm_pool_mgr_ops *ops;
+	void *private_data;
+};
+
+struct tee_shm_pool {
+	struct tee_shm_pool_mgr private_mgr;
+	struct tee_shm_pool_mgr dma_buf_mgr;
+	void (*destroy)(struct tee_shm_pool *pool);
+	void *private_data;
+};
+
+#define TEE_DEVICE_FLAG_REGISTERED	0x1
+#define TEE_MAX_DEV_NAME_LEN		32
+
+struct tee_device {
+	char name[TEE_MAX_DEV_NAME_LEN];
+	const struct tee_desc *desc;
+	int id;
+	unsigned flags;
+
+	struct device dev;
+	struct cdev cdev;
+
+	size_t num_users;
+	struct completion c_no_users;
+	struct mutex mutex;
+
+	struct idr idr;
+	struct tee_shm_pool *pool;
+};
+
+int tee_shm_init(void);
+
+/**
+ * tee_shm_get_fd() - Increase reference count and return file descriptor
+ * @shm:	Shared memory handle
+ * @returns user space file descriptor to shared memory
+ */
+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);
+
+#endif /*TEE_PRIVATE_H*/