1 /* $OpenBSD: pciio.h,v 1.2 2001/06/26 20:44:14 jason 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
38 #define PCI_MAXNAMELEN 16
39
40 typedef enum {
41 PCI_GETCONF_LAST_DEVICE,
42 PCI_GETCONF_LIST_CHANGED,
43 PCI_GETCONF_MORE_DEVS,
44 PCI_GETCONF_ERROR
45 } pci_getconf_status;
46
47 typedef enum {
48 PCI_GETCONF_NO_MATCH = 0x00,
49 PCI_GETCONF_MATCH_BUS = 0x01,
50 PCI_GETCONF_MATCH_DEV = 0x02,
51 PCI_GETCONF_MATCH_FUNC = 0x04,
52 PCI_GETCONF_MATCH_NAME = 0x08,
53 PCI_GETCONF_MATCH_UNIT = 0x10,
54 PCI_GETCONF_MATCH_VENDOR = 0x20,
55 PCI_GETCONF_MATCH_DEVICE = 0x40,
56 PCI_GETCONF_MATCH_CLASS = 0x80
57 } pci_getconf_flags;
58
59 struct pcisel {
60 u_int8_t pc_bus; /* bus number */
61 u_int8_t pc_dev; /* device on this bus */
62 u_int8_t pc_func; /* function on this device */
63 };
64
65 struct pci_conf {
66 struct pcisel pc_sel; /* bus+slot+function */
67 u_int8_t pc_hdr; /* PCI header type */
68 u_int16_t pc_subvendor; /* card vendor ID */
69 u_int16_t pc_subdevice; /* card device ID, assigned by
70 card vendor */
71 u_int16_t pc_vendor; /* chip vendor ID */
72 u_int16_t pc_device; /* chip device ID, assigned by
73 chip vendor */
74 u_int8_t pc_class; /* chip PCI class */
75 u_int8_t pc_subclass; /* chip PCI subclass */
76 u_int8_t pc_progif; /* chip PCI programming interface */
77 u_int8_t pc_revid; /* chip revision ID */
78 char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
79 u_long pd_unit; /* device unit number */
80 };
81
82 struct pci_match_conf {
83 struct pcisel pc_sel; /* bus+slot+function */
84 char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
85 u_long pd_unit; /* Unit number */
86 u_int16_t pc_vendor; /* PCI Vendor ID */
87 u_int16_t pc_device; /* PCI Device ID */
88 u_int8_t pc_class; /* PCI class */
89 pci_getconf_flags flags; /* Matching expression */
90 };
91
92 struct pci_conf_io {
93 u_int32_t pat_buf_len; /* pattern buffer length */
94 u_int32_t num_patterns; /* number of patterns */
95 struct pci_match_conf *patterns; /* pattern buffer */
96 u_int32_t match_buf_len; /* match buffer length */
97 u_int32_t num_matches; /* number of matches returned */
98 struct pci_conf *matches; /* match buffer */
99 u_int32_t offset; /* offset into device list */
100 u_int32_t generation; /* device list generation */
101 pci_getconf_status status; /* request status */
102 };
103
104 struct pci_io {
105 struct pcisel pi_sel; /* device to operate on */
106 int pi_reg; /* configuration register to examine */
107 int pi_width; /* width (in bytes) of read or write */
108 u_int32_t pi_data; /* data to write or result of read */
109 };
110
111
112 #define PCIOCGETCONF _IOWR('p', 1, struct pci_conf_io)
113 #define PCIOCREAD _IOWR('p', 2, struct pci_io)
114 #define PCIOCWRITE _IOWR('p', 3, struct pci_io)
115 #define PCIOCATTACHED _IOWR('p', 4, struct pci_io)
116
117 #endif /* !_SYS_PCIIO_H_ */