diff options
Diffstat (limited to 'include/uapi/linux/mei.h')
| -rw-r--r-- | include/uapi/linux/mei.h | 128 |
1 files changed, 58 insertions, 70 deletions
diff --git a/include/uapi/linux/mei.h b/include/uapi/linux/mei.h index 0f681cbd38d3..68a0272e99b7 100644 --- a/include/uapi/linux/mei.h +++ b/include/uapi/linux/mei.h @@ -1,82 +1,21 @@ /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ -/****************************************************************************** +/* + * Copyright(c) 2003-2015 Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver * Intel MEI Interface Header - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * Contact Information: - * Intel Corporation. - * linux-mei@linux.intel.com - * http://www.intel.com - * - * BSD LICENSE - * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ - + */ #ifndef _LINUX_MEI_H #define _LINUX_MEI_H -#include <linux/uuid.h> +#include <linux/mei_uuid.h> /* * This IOCTL is used to associate the current file descriptor with a * FW Client (given by UUID). This opens a communication channel * between a host client and a FW client. From this point every read and write * will communicate with the associated FW client. - * Only in close() (file_operation release()) the communication between - * the clients is disconnected + * Only in close() (file_operation release()) is the communication between + * the clients disconnected. * * The IOCTL argument is a struct with a union that contains * the input parameter and the output parameter for this IOCTL. @@ -112,7 +51,7 @@ struct mei_connect_client_data { * DOC: set and unset event notification for a connected client * * The IOCTL argument is 1 for enabling event notification and 0 for - * disabling the service + * disabling the service. * Return: -EOPNOTSUPP if the devices doesn't support the feature */ #define IOCTL_MEI_NOTIFY_SET _IOW('H', 0x02, __u32) @@ -120,11 +59,60 @@ struct mei_connect_client_data { /** * DOC: retrieve notification * - * The IOCTL output argument is 1 if an event was is pending and 0 otherwise - * the ioctl has to be called in order to acknowledge pending event + * The IOCTL output argument is 1 if an event was pending and 0 otherwise. + * The ioctl has to be called in order to acknowledge pending event. * * Return: -EOPNOTSUPP if the devices doesn't support the feature */ #define IOCTL_MEI_NOTIFY_GET _IOR('H', 0x03, __u32) +/** + * struct mei_connect_client_vtag - mei client information struct with vtag + * + * @in_client_uuid: UUID of client to connect + * @vtag: virtual tag + * @reserved: reserved for future use + */ +struct mei_connect_client_vtag { + uuid_le in_client_uuid; + __u8 vtag; + __u8 reserved[3]; +}; + +/** + * struct mei_connect_client_data_vtag - IOCTL connect data union + * + * @connect: input connect data + * @out_client_properties: output client data + */ +struct mei_connect_client_data_vtag { + union { + struct mei_connect_client_vtag connect; + struct mei_client out_client_properties; + }; +}; + +/** + * DOC: + * This IOCTL is used to associate the current file descriptor with a + * FW Client (given by UUID), and virtual tag (vtag). + * The IOCTL opens a communication channel between a host client and + * a FW client on a tagged channel. From this point on, every read + * and write will communicate with the associated FW client + * on the tagged channel. + * Upon close() the communication is terminated. + * + * The IOCTL argument is a struct with a union that contains + * the input parameter and the output parameter for this IOCTL. + * + * The input parameter is UUID of the FW Client, a vtag [0,255]. + * The output parameter is the properties of the FW client + * (FW protocol version and max message size). + * + * Clients that do not support tagged connection + * will respond with -EOPNOTSUPP. + */ +#define IOCTL_MEI_CONNECT_CLIENT_VTAG \ + _IOWR('H', 0x04, struct mei_connect_client_data_vtag) + #endif /* _LINUX_MEI_H */ |