'\" t
.\"     Title: spi_populate_tag_msg
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: SCSI mid layer
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "SPI_POPULATE_TAG_MSG" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "SCSI mid layer"
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.SH "NAME"
spi_populate_tag_msg \- place a tag message in a buffer
.SH "SYNOPSIS"
.HP \w'int\ spi_populate_tag_msg('u
.BI "int spi_populate_tag_msg(unsigned\ char\ *\ " "msg" ", struct\ scsi_cmnd\ *\ " "cmd" ");"
.SH "ARGUMENTS"
.PP
\fImsg\fR
.RS 4
pointer to the area to place the tag
.RE
.PP
\fIcmd\fR
.RS 4
pointer to the scsi command for the tag
.RE
.SH "NOTES"
.PP
designed to create the correct type of tag message for the particular request\&. Returns the size of the tag message\&. May return 0 if TCQ is disabled for this device\&.
.SH "AUTHORS"
.PP
\fBJames Bottomley\fR <\&James.Bottomley@hansenpartnership.com\&>
.RS 4
Author.
.RE
.PP
\fBRob Landley\fR <\&rob@landley.net\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br