'\" t
.\"     Title: scsi_dma_map
.\"    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 "SCSI_DMA_MAP" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "SCSI mid layer"
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.SH "NAME"
scsi_dma_map \- perform DMA mapping against command\*(Aqs sg lists
.SH "SYNOPSIS"
.HP \w'int\ scsi_dma_map('u
.BI "int scsi_dma_map(struct\ scsi_cmnd\ *\ " "cmd" ");"
.SH "ARGUMENTS"
.PP
\fIcmd\fR
.RS 4
scsi command
.RE
.SH "DESCRIPTION"
.PP
Returns the number of sg lists actually used, zero if the sg lists is NULL, or \-ENOMEM if the mapping failed\&.
.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