xref: /titanic_41/usr/src/uts/sun4u/sys/pci/pci_reloc.h (revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_PCI_RELOC_H
28 #define	_SYS_PCI_RELOC_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 extern int pci_dvma_remap_enabled;
37 extern kthread_t *pci_reloc_thread;
38 extern kmutex_t pci_reloc_mutex;
39 extern kcondvar_t pci_reloc_cv;
40 extern int pci_reloc_presuspend;
41 extern int pci_reloc_suspend;
42 
43 extern void pci_reloc_init();
44 extern void pci_reloc_fini();
45 
46 extern int pci_dvma_remap(dev_info_t *, dev_info_t *, ddi_dma_impl_t *,
47 	off_t, size_t);
48 extern void pci_dvma_unregister_callbacks(pci_t *, ddi_dma_impl_t *);
49 
50 extern void pci_fdvma_remap(ddi_dma_impl_t *, caddr_t, dvma_addr_t,
51 	size_t, size_t, pfn_t);
52 extern void pci_fdvma_unregister_callbacks(pci_t *, fdvma_t *,
53 	ddi_dma_impl_t *, uint_t);
54 
55 #ifdef	__cplusplus
56 }
57 #endif
58 
59 #endif	/* _SYS_PCI_RELOC_H */
60