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.TH "SN_PCI_UNMAP_SG" "" "06 October 2005" "" ""

.SH NAME
sn_pci_unmap_sg \- unmap a scatter-gather list
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
void sn_pci_unmap_sg  (struct pci_dev * \fIhwdev\fB, struct scatterlist * \fIsg\fB, int \fInents\fB, int \fIdirection\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIhwdev\fB\fR
device to unmap
.TP
\fB\fIsg\fB\fR
scatterlist to unmap
.TP
\fB\fInents\fB\fR
number of scatterlist entries
.TP
\fB\fIdirection\fB\fR
DMA direction
.SH "DESCRIPTION"
.PP
Unmap a set of streaming mode DMA translations.  Again, cpu read rules
concerning calls here are the same as for \fBpci_unmap_single\fR below.  Also
known as \fBsn_pci_unmap_sg\fR by the IA64 machvec code.