'\" t
.\"     Title: i2o_block_transfer
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Message-based devices
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "I2O_BLOCK_TRANSFER" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Message-based devices"
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.SH "NAME"
i2o_block_transfer \- Transfer a request to/from the I2O controller
.SH "SYNOPSIS"
.HP \w'int\ i2o_block_transfer('u
.BI "int i2o_block_transfer(struct\ request\ *\ " "req" ");"
.SH "ARGUMENTS"
.PP
\fIreq\fR
.RS 4
the request which should be transferred
.RE
.SH "DESCRIPTION"
.PP
This function converts the request into a I2O message\&. The necessary DMA buffers are allocated and after everything is setup post the message to the I2O controller\&. No cleanup is done by this function\&. It is done on the interrupt side when the reply arrives\&.
.PP
Return 0 on success or negative error code on failure\&.
.SH "COPYRIGHT"
.br