'\" t
.\"     Title: i2o_cntxt_list_add
.\"    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_CNTXT_LIST_ADD" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Message-based devices"
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.SH "NAME"
i2o_cntxt_list_add \- Append a pointer to context list and return a id
.SH "SYNOPSIS"
.HP \w'u32\ i2o_cntxt_list_add('u
.BI "u32 i2o_cntxt_list_add(struct\ i2o_controller\ *\ " "c" ", void\ *\ " "ptr" ");"
.SH "ARGUMENTS"
.PP
\fIc\fR
.RS 4
controller to which the context list belong
.RE
.PP
\fIptr\fR
.RS 4
pointer to add to the context list
.RE
.SH "DESCRIPTION"
.PP
Because the context field in I2O is only 32\-bit large, on 64\-bit the pointer is to large to fit in the context field\&. The i2o_cntxt_list functions therefore map pointers to context fields\&.
.PP
Returns context id > 0 on success or 0 on failure\&.
.SH "COPYRIGHT"
.br