1/* $OpenBSD: pciio.h,v 1.8 2020/06/22 04:11:37 dlg Exp $ */
2
3/*-
4 * Copyright (c) 1997, Stefan Esser <se@FreeBSD.ORG>
5 * Copyright (c) 1997, 1998, 1999, Kenneth D. Merry <ken@FreeBSD.ORG>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
13 * disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: src/sys/sys/pciio.h,v 1.5 1999/12/08 17:44:04 ken Exp $
30 *
31 */
32
33#ifndef _SYS_PCIIO_H_
34#define _SYS_PCIIO_H_
35
36#include <sys/ioccom.h>
37
38struct pcisel {
39 u_int8_t pc_bus; /* bus number */
40 u_int8_t pc_dev; /* device on this bus */
41 u_int8_t pc_func; /* function on this device */
42};
43
44struct pci_io {
45 struct pcisel pi_sel; /* device to operate on */
46 int pi_reg; /* configuration register to examine */
47 int pi_width; /* width (in bytes) of read or write */
48 u_int32_t pi_data; /* data to write or result of read */
49};
50
51struct pci_rom {
52 struct pcisel pr_sel;
53 int pr_romlen;
54 char *pr_rom;
55};
56
57struct pci_vpd_req {
58 struct pcisel pv_sel;
59 int pv_offset;
60 int pv_count;
61 uint32_t *pv_data;
62};
63
64struct pci_vga {
65 struct pcisel pv_sel;
66 int pv_lock;
67 int pv_decode;
68};
69
70#define PCI_VGA_UNLOCK 0x00
71#define PCI_VGA_LOCK 0x01
72#define PCI_VGA_TRYLOCK 0x02
73
74#define PCI_VGA_IO_ENABLE 0x01
75#define PCI_VGA_MEM_ENABLE 0x02
76
77#define PCIOCREAD _IOWR('p', 2, struct pci_io)
78#define PCIOCWRITE _IOWR('p', 3, struct pci_io)
79#define PCIOCGETROMLEN _IOWR('p', 4, struct pci_rom)
80#define PCIOCGETROM _IOWR('p', 5, struct pci_rom)
81#define PCIOCGETVGA _IOWR('p', 6, struct pci_vga)
82#define PCIOCSETVGA _IOWR('p', 7, struct pci_vga)
83#define PCIOCREADMASK _IOWR('p', 8, struct pci_io)
84#define PCIOCGETVPD _IOWR('p', 9, struct pci_vpd_req)
85
86#endif /* !_SYS_PCIIO_H_ */