Module Name: src
Committed By: snj
Date: Fri Jul 14 06:13:07 UTC 2017
Modified Files:
src/share/man/man9 [netbsd-6]: bus_dma.9
Log Message:
Pull up following revision(s) (requested by sevan in ticket #1426):
share/man/man9/bus_dma.9: 1.58-1.62 via patch
fix proto
--
Remove extra period.
--
Use .An -nosplit.
--
Give a heads up about bus_dmatag_subregion()
To generate a diff of this commit:
cvs rdiff -u -r1.57 -r1.57.4.1 src/share/man/man9/bus_dma.9
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man9/bus_dma.9
diff -u src/share/man/man9/bus_dma.9:1.57 src/share/man/man9/bus_dma.9:1.57.4.1
--- src/share/man/man9/bus_dma.9:1.57 Sat Jul 9 07:57:53 2011
+++ src/share/man/man9/bus_dma.9 Fri Jul 14 06:13:07 2017
@@ -1,4 +1,4 @@
-.\" $NetBSD: bus_dma.9,v 1.57 2011/07/09 07:57:53 wiz Exp $
+.\" $NetBSD: bus_dma.9,v 1.57.4.1 2017/07/14 06:13:07 snj Exp $
.\"
.\" Copyright (c) 1996, 1997, 1998, 2001, 2005, 2006 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -28,7 +28,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd July 8, 2011
+.Dd January 2, 2017
.Dt BUS_DMA 9
.Os
.Sh NAME
@@ -58,7 +58,7 @@
.Fn bus_dmamap_destroy "bus_dma_tag_t tag" "bus_dmamap_t dmam"
.Ft int
.Fn bus_dmamap_load "bus_dma_tag_t tag" "bus_dmamap_t dmam" "void *buf" \
-"bus_size_t buflen" "struct lwp *l" "int flags"
+"bus_size_t buflen" "struct proc *p" "int flags"
.Ft int
.Fn bus_dmamap_load_mbuf "bus_dma_tag_t tag" "bus_dmamap_t dmam" \
"struct mbuf *chain" "int flags"
@@ -243,7 +243,7 @@ Behavior is not defined if invalid argum
If given valid arguments,
.Fn bus_dmamap_destroy
always succeeds.
-.It Fn bus_dmamap_load "tag" "dmam" "buf" "buflen" "l" "flags"
+.It Fn bus_dmamap_load "tag" "dmam" "buf" "buflen" "p" "flags"
Loads a DMA handle with mappings for a DMA transfer.
It assumes that all pages involved in a DMA transfer are wired.
Arguments are as follows:
@@ -257,13 +257,13 @@ The DMA handle with which to map the tra
The buffer to be used for the DMA transfer.
.It Fa buflen
The size of the buffer.
-.It Fa l
+.It Fa p
Used to indicate the address space in which the buffer is located.
If
.Dv NULL ,
the buffer is assumed to be in kernel space.
-Otherwise, the buffer is assumed to be in lwp
-.Fa l Ap s
+Otherwise, the buffer is assumed to be in proc
+.Fa p Ap s
address space.
.It Fa flags
are defined as follows:
@@ -798,13 +798,15 @@ Given a bus_dma_tag_t
create a new bus_dma_tag_t with a limited bus address space.
This function should not normally be used, but is useful for devices
that do not support the full address space of the parent bus.
+Not all ports implement this method; on ports where it is unavailable,
+EOPNOTSUPP is returned.
The arguments are as follows:
.Bl -tag -width max_addr -compact
.It Fa tag
This is the bus_dma_tag_t to subregion.
.It Fa min_addr
The smallest address this new tag can address.
-.It Fa max_addr .
+.It Fa max_addr
The largest address this new tag can address.
.It Fa newtag
Pointer filled in with the address of the new bus_dma_tag_t.
@@ -839,6 +841,7 @@ The
interface appeared in
.Nx 1.3 .
.Sh AUTHORS
+.An -nosplit
The
.Nm
interface was designed and implemented by Jason R. Thorpe of the
