1 /* $NetBSD: pci_resource.h,v 1.2 2025/03/03 19:02:30 riastradh Exp $ */
2 
3 /*-
4  * Copyright (c) 2022 Jared McNeill <jmcneill@invisible.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef   _DEV_PCI_PCI_RESOURCE_H_
30 #define   _DEV_PCI_PCI_RESOURCE_H_
31 
32 #include <sys/types.h>
33 
34 enum pci_range_type {
35           PCI_RANGE_BUS,
36           PCI_RANGE_IO,
37           PCI_RANGE_MEM,
38           PCI_RANGE_PMEM,
39           NUM_PCI_RANGES
40 };
41 
42 struct pci_resource_info {
43           pci_chipset_tag_t             pc;
44           struct pci_resource_arena     *ranges[NUM_PCI_RANGES];
45 };
46 
47 void                pci_resource_add_range(struct pci_resource_info *,
48                         enum pci_range_type, uint64_t, uint64_t);
49 void                pci_resource_init(const struct pci_resource_info *);
50 const char *        pci_resource_typename(enum pci_range_type);
51 
52 #endif    /* _DEV_PCI_PCI_RESOURCE_H_ */
53