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.\"     Title: mpt_send_handshake_request
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Message-based devices
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "MPT_SEND_HANDSHAKE_R" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Message-based devices"
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.SH "NAME"
mpt_send_handshake_request \- Send MPT request via doorbell handshake method\&.
.SH "SYNOPSIS"
.HP \w'int\ mpt_send_handshake_request('u
.BI "int mpt_send_handshake_request(u8\ " "cb_idx" ", MPT_ADAPTER\ *\ " "ioc" ", int\ " "reqBytes" ", u32\ *\ " "req" ", int\ " "sleepFlag" ");"
.SH "ARGUMENTS"
.PP
\fIcb_idx\fR
.RS 4
Handle of registered MPT protocol driver
.RE
.PP
\fIioc\fR
.RS 4
Pointer to MPT adapter structure
.RE
.PP
\fIreqBytes\fR
.RS 4
Size of the request in bytes
.RE
.PP
\fIreq\fR
.RS 4
Pointer to MPT request frame
.RE
.PP
\fIsleepFlag\fR
.RS 4
Use schedule if CAN_SLEEP else use udelay\&.
.RE
.SH "DESCRIPTION"
.PP
This routine is used exclusively to send MptScsiTaskMgmt requests since they are required to be sent via doorbell handshake\&.
.SH "NOTE"
.PP
It is the callers responsibility to byte\-swap fields in the request which are greater than 1 byte in size\&.
.PP
Returns 0 for success, non\-zero for failure\&.
.SH "COPYRIGHT"
.br