tee: add OP-TEE driver
Adds a OP-TEE driver.
* Targets ARM and ARM64
* Supports using any U-Boot memory as shared memory
* Probes OP-TEE version using SMCs
* Uses OPTEE message protocol version 2 to communicate with secure world
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/drivers/tee/optee/optee_msg_supplicant.h b/drivers/tee/optee/optee_msg_supplicant.h
new file mode 100644
index 0000000..a0fb806
--- /dev/null
+++ b/drivers/tee/optee/optee_msg_supplicant.h
@@ -0,0 +1,240 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (c) 2016-2018, Linaro Limited
+ */
+
+#ifndef __OPTEE_MSG_SUPPLICANT_H
+#define __OPTEE_MSG_SUPPLICANT_H
+
+/*
+ * This file is based on
+ * https://github.com/OP-TEE/optee_os/blob/master/core/include/optee_msg_supplicant.h
+ * and may need to be updated when introducing new features.
+ */
+
+/*
+ * Load a TA into memory
+ */
+#define OPTEE_MSG_RPC_CMD_LOAD_TA 0
+
+/*
+ * Replay Protected Memory Block access
+ */
+#define OPTEE_MSG_RPC_CMD_RPMB 1
+
+/*
+ * File system access
+ */
+#define OPTEE_MSG_RPC_CMD_FS 2
+
+/*
+ * Define protocol for messages with .cmd == OPTEE_MSG_RPC_CMD_FS and first
+ * parameter has the attribute OPTEE_MSG_ATTR_TYPE_VALUE_INPUT.
+ */
+
+/*
+ * Open a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_OPEN
+ * [in] param[1].u.tmem a string holding the file name
+ * [out] param[2].u.value.a file descriptor of open file
+ */
+#define OPTEE_MRF_OPEN 0
+
+/*
+ * Create a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_CREATE
+ * [in] param[1].u.tmem a string holding the file name
+ * [out] param[2].u.value.a file descriptor of open file
+ */
+#define OPTEE_MRF_CREATE 1
+
+/*
+ * Close a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_CLOSE
+ * [in] param[0].u.value.b file descriptor of open file.
+ */
+#define OPTEE_MRF_CLOSE 2
+
+/*
+ * Read from a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_READ
+ * [in] param[0].u.value.b file descriptor of open file
+ * [in] param[0].u.value.c offset into file
+ * [out] param[1].u.tmem buffer to hold returned data
+ */
+#define OPTEE_MRF_READ 3
+
+/*
+ * Write to a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_WRITE
+ * [in] param[0].u.value.b file descriptor of open file
+ * [in] param[0].u.value.c offset into file
+ * [in] param[1].u.tmem buffer holding data to be written
+ */
+#define OPTEE_MRF_WRITE 4
+
+/*
+ * Truncate a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_TRUNCATE
+ * [in] param[0].u.value.b file descriptor of open file
+ * [in] param[0].u.value.c length of file.
+ */
+#define OPTEE_MRF_TRUNCATE 5
+
+/*
+ * Remove a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_REMOVE
+ * [in] param[1].u.tmem a string holding the file name
+ */
+#define OPTEE_MRF_REMOVE 6
+
+/*
+ * Rename a file
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_RENAME
+ * [in] param[0].u.value.b true if existing target should be removed
+ * [in] param[1].u.tmem a string holding the old file name
+ * [in] param[2].u.tmem a string holding the new file name
+ */
+#define OPTEE_MRF_RENAME 7
+
+/*
+ * Opens a directory for file listing
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_OPENDIR
+ * [in] param[1].u.tmem a string holding the name of the directory
+ * [out] param[2].u.value.a handle to open directory
+ */
+#define OPTEE_MRF_OPENDIR 8
+
+/*
+ * Closes a directory handle
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_CLOSEDIR
+ * [in] param[0].u.value.b handle to open directory
+ */
+#define OPTEE_MRF_CLOSEDIR 9
+
+/*
+ * Read next file name of directory
+ *
+ *
+ * [in] param[0].u.value.a OPTEE_MRF_READDIR
+ * [in] param[0].u.value.b handle to open directory
+ * [out] param[1].u.tmem a string holding the file name
+ */
+#define OPTEE_MRF_READDIR 10
+
+/*
+ * End of definitions for messages with .cmd == OPTEE_MSG_RPC_CMD_FS
+ */
+
+/*
+ * Command Ids 3, 4 and 5 of OPTEE_MSG_RPC_CMD_xxx macros are reserved for use
+ * by the kernel driver.
+ */
+
+/*
+ * Shared memory allocation
+ */
+#define OPTEE_MSG_RPC_CMD_SHM_ALLOC 6
+#define OPTEE_MSG_RPC_CMD_SHM_FREE 7
+
+/*
+ * Was OPTEE_MSG_RPC_CMD_SQL_FS, which isn't supported any longer
+ */
+#define OPTEE_MSG_RPC_CMD_SQL_FS_RESERVED 8
+
+/*
+ * GPROF support management commands
+ */
+#define OPTEE_MSG_RPC_CMD_GPROF 9
+
+/*
+ * Socket commands
+ */
+#define OPTEE_MSG_RPC_CMD_SOCKET 10
+
+/*
+ * Define protocol for messages with .cmd == OPTEE_MSG_RPC_CMD_SOCKET
+ */
+
+#define OPTEE_MRC_SOCKET_TIMEOUT_NONBLOCKING 0
+#define OPTEE_MRC_SOCKET_TIMEOUT_BLOCKING 0xffffffff
+
+/*
+ * Open socket
+ *
+ * [in] param[0].u.value.a OPTEE_MRC_SOCKET_OPEN
+ * [in] param[0].u.value.b TA instance id
+ * [in] param[1].u.value.a server port number
+ * [in] param[1].u.value.b protocol, TEE_ISOCKET_PROTOCOLID_*
+ * [in] param[1].u.value.c ip version TEE_IP_VERSION_* from tee_ipsocket.h
+ * [in] param[2].u.tmem server address
+ * [out] param[3].u.value.a socket handle (32-bit)
+ */
+#define OPTEE_MRC_SOCKET_OPEN 0
+
+/*
+ * Close socket
+ *
+ * [in] param[0].u.value.a OPTEE_MRC_SOCKET_CLOSE
+ * [in] param[0].u.value.b TA instance id
+ * [in] param[0].u.value.c socket handle
+ */
+#define OPTEE_MRC_SOCKET_CLOSE 1
+
+/*
+ * Close all sockets
+ *
+ * [in] param[0].u.value.a OPTEE_MRC_SOCKET_CLOSE_ALL
+ * [in] param[0].u.value.b TA instance id
+ */
+#define OPTEE_MRC_SOCKET_CLOSE_ALL 2
+
+/*
+ * Send data on socket
+ *
+ * [in] param[0].u.value.a OPTEE_MRC_SOCKET_SEND
+ * [in] param[0].u.value.b TA instance id
+ * [in] param[0].u.value.c socket handle
+ * [in] param[1].u.tmem buffer to transmit
+ * [in] param[2].u.value.a timeout ms or OPTEE_MRC_SOCKET_TIMEOUT_*
+ * [out] param[2].u.value.b number of transmitted bytes
+ */
+#define OPTEE_MRC_SOCKET_SEND 3
+
+/*
+ * Receive data on socket
+ *
+ * [in] param[0].u.value.a OPTEE_MRC_SOCKET_RECV
+ * [in] param[0].u.value.b TA instance id
+ * [in] param[0].u.value.c socket handle
+ * [out] param[1].u.tmem buffer to receive
+ * [in] param[2].u.value.a timeout ms or OPTEE_MRC_SOCKET_TIMEOUT_*
+ */
+#define OPTEE_MRC_SOCKET_RECV 4
+
+/*
+ * Perform IOCTL on socket
+ *
+ * [in] param[0].u.value.a OPTEE_MRC_SOCKET_IOCTL
+ * [in] param[0].u.value.b TA instance id
+ * [in] param[0].u.value.c socket handle
+ * [in/out] param[1].u.tmem buffer
+ * [in] param[2].u.value.a ioctl command
+ */
+#define OPTEE_MRC_SOCKET_IOCTL 5
+
+/*
+ * End of definitions for messages with .cmd == OPTEE_MSG_RPC_CMD_SOCKET
+ */
+
+#endif /* __OPTEE_MSG_SUPPLICANT_H */