xref: /illumos-gate/usr/src/uts/i86pc/io/pci/pcihrt.h (revision cd0d4b40)
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 /*
28  * pcihrt.h -- PCI Hot-Plug Resource Table
29  */
30 
31 #ifndef	_PCIHRT_H
32 #define	_PCIHRT_H
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 struct hrt_hdr { /* PCI Hot-Plug Configuration Resource Table header */
39 	uint32_t hrt_sig;	/* $HRT					*/
40 	uint16_t hrt_avail_imap; /* Bitmap of unused IRQs		*/
41 	uint16_t hrt_used_imap;	/* Bitmap of IRQs used by PCI		*/
42 	uchar_t	hrt_entry_cnt;	/* no. of PCI hot-plug slot entries	*/
43 	uchar_t	hrt_ver;	/* version no. = 1			*/
44 	uchar_t	hrt_resv0;	/* reserved				*/
45 	uchar_t	hrt_resv1;	/* reserved				*/
46 	uchar_t	hrt_resv2;	/* reserved				*/
47 	uchar_t	hrt_resv3;	/* reserved				*/
48 	uchar_t	hrt_resv4;	/* reserved				*/
49 	uchar_t	hrt_resv5;	/* reserved				*/
50 };
51 
52 struct php_entry {	/* PCI hot-plug slot entry */
53 	uchar_t	php_devno;	/* PCI dev/func no. of the slot		*/
54 	uchar_t	php_pri_bus;	/* Primary bus of this slot		*/
55 	uchar_t	php_sec_bus;	/* Secondary bus of this slot		*/
56 	uchar_t	php_subord_bus;	/* Max Subordinate bus of this slot	*/
57 	uint16_t php_io_start;	/* allocated I/O space starting addr	*/
58 	uint16_t php_io_size;	/* allocated I/O space size in bytes	*/
59 	uint16_t php_mem_start;	/* allocated Memory space start addr	*/
60 	uint16_t php_mem_size;	/* allocated Memory space size in 64k	*/
61 	uint16_t php_pfmem_start; /* allocated Prefetchable Memory start */
62 	uint16_t php_pfmem_size; /* allocated Prefetchable size in 64k	*/
63 };
64 
65 #ifdef	__cplusplus
66 }
67 #endif
68 
69 #endif	/* _PCIHRT_H */
70