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pci_resource.h revision 1.2 
      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 (at) 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