xref: /titanic_41/usr/src/uts/sun4u/sys/pci/pci_reloc.h (revision c39526b769298791ff5b0b6c5e761f49aabaeb4e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_PCI_RELOC_H
27 #define	_SYS_PCI_RELOC_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 extern int pci_dvma_remap_enabled;
36 extern kthread_t *pci_reloc_thread;
37 extern kmutex_t pci_reloc_mutex;
38 extern kcondvar_t pci_reloc_cv;
39 extern int pci_reloc_presuspend;
40 extern int pci_reloc_suspend;
41 
42 extern void pci_reloc_init();
43 extern void pci_reloc_fini();
44 
45 extern int pci_reloc_getkey();
46 
47 extern int pci_dvma_remap(dev_info_t *, dev_info_t *, ddi_dma_impl_t *,
48 	off_t, size_t);
49 extern void pci_dvma_unregister_callbacks(pci_t *, ddi_dma_impl_t *);
50 
51 extern void pci_fdvma_remap(ddi_dma_impl_t *, caddr_t, dvma_addr_t,
52 	size_t, size_t, pfn_t);
53 extern void pci_fdvma_unregister_callbacks(pci_t *, fdvma_t *,
54 	ddi_dma_impl_t *, uint_t);
55 
56 #ifdef	__cplusplus
57 }
58 #endif
59 
60 #endif	/* _SYS_PCI_RELOC_H */
61