1 files changed, 106 insertions, 0 deletions
diff --git a/security/tf_driver/tf_conn.h b/security/tf_driver/tf_conn.h
new file mode 100644
index 000000000000..8bed16f19d5f
--- /dev/null
+++ b/security/tf_driver/tf_conn.h
@@ -0,0 +1,106 @@
+/**
+ * Copyright (c) 2011 Trusted Logic S.A.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __TF_CONN_H__
+#define __TF_CONN_H__
+
+#include "tf_defs.h"
+
+/*
+ * Returns a pointer to the connection referenced by the
+ * specified file.
+ */
+static inline struct tf_connection *tf_conn_from_file(
+	struct file *file)
+{
+	return file->private_data;
+}
+
+int tf_validate_shmem_and_flags(u32 shmem, u32 shmem_size, u32 flags);
+
+int tf_map_shmem(
+		struct tf_connection *connection,
+		u32 buffer,
+		/* flags for read-write access rights on the memory */
+		u32 flags,
+		bool in_user_space,
+		u32 descriptors[TF_MAX_COARSE_PAGES],
+		u32 *buffer_start_offset,
+		u32 buffer_size,
+		struct tf_shmem_desc **shmem_desc,
+		u32 *descriptor_count);
+
+void tf_unmap_shmem(
+		struct tf_connection *connection,
+		struct tf_shmem_desc *shmem_desc,
+		u32 full_cleanup);
+
+/*----------------------------------------------------------------------------
+ * Connection operations to the Secure World
+ *----------------------------------------------------------------------------*/
+
+int tf_create_device_context(
+	 struct tf_connection *connection);
+
+int tf_destroy_device_context(
+	struct tf_connection *connection);
+
+int tf_open_client_session(
+	struct tf_connection *connection,
+	union tf_command *command,
+	union tf_answer *answer);
+
+int tf_close_client_session(
+	struct tf_connection *connection,
+	union tf_command *command,
+	union tf_answer *answer);
+
+int tf_register_shared_memory(
+	struct tf_connection *connection,
+	union tf_command *command,
+	union tf_answer *answer);
+
+int tf_release_shared_memory(
+	struct tf_connection *connection,
+	union tf_command *command,
+	union tf_answer *answer);
+
+int tf_invoke_client_command(
+	struct tf_connection *connection,
+	union tf_command *command,
+	union tf_answer *answer);
+
+int tf_cancel_client_command(
+	struct tf_connection *connection,
+	union tf_command *command,
+	union tf_answer *answer);
+
+/*----------------------------------------------------------------------------
+ * Connection initialization and cleanup operations
+ *----------------------------------------------------------------------------*/
+
+int tf_open(struct tf_device *dev,
+	struct file *file,
+	struct tf_connection **connection);
+
+void tf_close(
+	struct tf_connection *connection);
+
+
+#endif  /* !defined(__TF_CONN_H__) */