xref: /onnv-gate/usr/src/uts/i86pc/os/dvma.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1990-1998, by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <sys/types.h>
30*0Sstevel@tonic-gate #include <sys/param.h>
31*0Sstevel@tonic-gate #include <sys/systm.h>
32*0Sstevel@tonic-gate #include <sys/kmem.h>
33*0Sstevel@tonic-gate #include <sys/cpu.h>
34*0Sstevel@tonic-gate #include <sys/sunddi.h>
35*0Sstevel@tonic-gate #include <sys/ddi_impldefs.h>
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate /*ARGSUSED*/
38*0Sstevel@tonic-gate unsigned long
dvma_pagesize(dev_info_t * dip)39*0Sstevel@tonic-gate dvma_pagesize(dev_info_t *dip)
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate 	return (0);
42*0Sstevel@tonic-gate }
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate /*ARGSUSED*/
45*0Sstevel@tonic-gate int
dvma_reserve(dev_info_t * dip,ddi_dma_lim_t * limp,u_int pages,ddi_dma_handle_t * handlep)46*0Sstevel@tonic-gate dvma_reserve(dev_info_t *dip,  ddi_dma_lim_t *limp, u_int pages,
47*0Sstevel@tonic-gate     ddi_dma_handle_t *handlep)
48*0Sstevel@tonic-gate {
49*0Sstevel@tonic-gate 	return (DDI_DMA_NORESOURCES);
50*0Sstevel@tonic-gate }
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate /*ARGSUSED*/
53*0Sstevel@tonic-gate void
dvma_release(ddi_dma_handle_t h)54*0Sstevel@tonic-gate dvma_release(ddi_dma_handle_t h)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate }
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate /*ARGSUSED*/
59*0Sstevel@tonic-gate void
dvma_kaddr_load(ddi_dma_handle_t h,caddr_t a,u_int len,u_int index,ddi_dma_cookie_t * cp)60*0Sstevel@tonic-gate dvma_kaddr_load(ddi_dma_handle_t h, caddr_t a, u_int len, u_int index,
61*0Sstevel@tonic-gate 	ddi_dma_cookie_t *cp)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate }
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate /*ARGSUSED*/
66*0Sstevel@tonic-gate void
dvma_unload(ddi_dma_handle_t h,u_int objindex,u_int type)67*0Sstevel@tonic-gate dvma_unload(ddi_dma_handle_t h, u_int objindex, u_int type)
68*0Sstevel@tonic-gate {
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate /*ARGSUSED*/
72*0Sstevel@tonic-gate void
dvma_sync(ddi_dma_handle_t h,u_int objindex,u_int type)73*0Sstevel@tonic-gate dvma_sync(ddi_dma_handle_t h, u_int objindex, u_int type)
74*0Sstevel@tonic-gate {
75*0Sstevel@tonic-gate }
76