JFIF$        dd7 

Viewing File: /usr/src/kernels/5.14.0-570.32.1.el9_6.x86_64/include/uapi/linux/mei.h

/* 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
 */
#ifndef _LINUX_MEI_H
#define _LINUX_MEI_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
 *
 * 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.
 * The output parameter is the properties of the FW client
 * (FW protocol version and max message size).
 *
 */
#define IOCTL_MEI_CONNECT_CLIENT \
	_IOWR('H' , 0x01, struct mei_connect_client_data)

/*
 * Intel MEI client information struct
 */
struct mei_client {
	__u32 max_msg_length;
	__u8 protocol_version;
	__u8 reserved[3];
};

/*
 * IOCTL Connect Client Data structure
 */
struct mei_connect_client_data {
	union {
		uuid_le in_client_uuid;
		struct mei_client out_client_properties;
	};
};

/**
 * 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
 * Return:  -EOPNOTSUPP if the devices doesn't support the feature
 */
#define IOCTL_MEI_NOTIFY_SET _IOW('H', 0x02, __u32)

/**
 * 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
 *
 * 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 with
 * on the tagged channel.
 * Upone 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 protocool 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  */
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg