From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/imx/common/include/sci/sci_ipc.h | 67 +++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 plat/imx/common/include/sci/sci_ipc.h (limited to 'plat/imx/common/include/sci/sci_ipc.h') diff --git a/plat/imx/common/include/sci/sci_ipc.h b/plat/imx/common/include/sci/sci_ipc.h new file mode 100644 index 0000000..39e9012 --- /dev/null +++ b/plat/imx/common/include/sci/sci_ipc.h @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/*! + * Header file for the IPC implementation. + */ + +#ifndef SCI_IPC_H +#define SCI_IPC_H + +/* Includes */ + +#include + +/* Defines */ + +/* Types */ + +/* Functions */ + +/*! + * This function opens an IPC channel. + * + * @param[out] ipc return pointer for ipc handle + * @param[in] id id of channel to open + * + * @return Returns an error code (SC_ERR_NONE = success, SC_ERR_IPC + * otherwise). + * + * The \a id parameter is implementation specific. Could be an MU + * address, pointer to a driver path, channel index, etc. + */ +sc_err_t sc_ipc_open(sc_ipc_t *ipc, sc_ipc_id_t id); + +/*! + * This function closes an IPC channel. + * + * @param[in] ipc id of channel to close + */ +void sc_ipc_close(sc_ipc_t ipc); + +/*! + * This function reads a message from an IPC channel. + * + * @param[in] ipc id of channel read from + * @param[out] data pointer to message buffer to read + * + * This function will block if no message is available to be read. + */ +void sc_ipc_read(sc_ipc_t ipc, void *data); + +/*! + * This function writes a message to an IPC channel. + * + * @param[in] ipc id of channel to write to + * @param[in] data pointer to message buffer to write + * + * This function will block if the outgoing buffer is full. + */ +void sc_ipc_write(sc_ipc_t ipc, void *data); + +extern sc_ipc_t ipc_handle; + +#endif /* SCI_IPC_H */ -- cgit v1.2.3