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.TH "IDE_BUILD_SGLIST" "" "06 October 2005" "" ""

.SH NAME
ide_build_sglist \- map IDE scatter gather for DMA I/O
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int ide_build_sglist  (ide_drive_t * \fIdrive\fB, struct request * \fIrq\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIdrive\fB\fR
the drive to build the DMA table for
.TP
\fB\fIrq\fB\fR
the request holding the sg list
.SH "DESCRIPTION"
.PP
Perform the PCI mapping magic necessary to access the source or
target buffers of a request via PCI DMA. The lower layers of the
kernel provide the necessary cache management so that we can
operate in a portable fashion