1 /*- 2 * Copyright (c) 1997, Stefan Esser <se@FreeBSD.ORG> 3 * Copyright (c) 1997, 1998, 1999, Kenneth D. Merry <ken@FreeBSD.ORG> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice unmodified, this list of conditions, and the following 11 * 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, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 * 29 */ 30 31 #ifndef _SYS_PCIIO_H_ 32 #define _SYS_PCIIO_H_ 33 34 #include <sys/ioccom.h> 35 36 #define PCI_MAXNAMELEN 16 37 38 typedef enum { 39 PCI_GETCONF_LAST_DEVICE, 40 PCI_GETCONF_LIST_CHANGED, 41 PCI_GETCONF_MORE_DEVS, 42 PCI_GETCONF_ERROR 43 } pci_getconf_status; 44 45 typedef enum { 46 PCI_GETCONF_NO_MATCH = 0x00, 47 PCI_GETCONF_MATCH_BUS = 0x01, 48 PCI_GETCONF_MATCH_DEV = 0x02, 49 PCI_GETCONF_MATCH_FUNC = 0x04, 50 PCI_GETCONF_MATCH_NAME = 0x08, 51 PCI_GETCONF_MATCH_UNIT = 0x10, 52 PCI_GETCONF_MATCH_VENDOR = 0x20, 53 PCI_GETCONF_MATCH_DEVICE = 0x40, 54 PCI_GETCONF_MATCH_CLASS = 0x80 55 } pci_getconf_flags; 56 57 struct pcisel { 58 u_int8_t pc_bus; /* bus number */ 59 u_int8_t pc_dev; /* device on this bus */ 60 u_int8_t pc_func; /* function on this device */ 61 }; 62 63 struct pci_conf { 64 struct pcisel pc_sel; /* bus+slot+function */ 65 u_int8_t pc_hdr; /* PCI header type */ 66 u_int16_t pc_subvendor; /* card vendor ID */ 67 u_int16_t pc_subdevice; /* card device ID, assigned by 68 card vendor */ 69 u_int16_t pc_vendor; /* chip vendor ID */ 70 u_int16_t pc_device; /* chip device ID, assigned by 71 chip vendor */ 72 u_int8_t pc_class; /* chip PCI class */ 73 u_int8_t pc_subclass; /* chip PCI subclass */ 74 u_int8_t pc_progif; /* chip PCI programming interface */ 75 u_int8_t pc_revid; /* chip revision ID */ 76 char pd_name[PCI_MAXNAMELEN + 1]; /* device name */ 77 u_long pd_unit; /* device unit number */ 78 }; 79 80 struct pci_match_conf { 81 struct pcisel pc_sel; /* bus+slot+function */ 82 char pd_name[PCI_MAXNAMELEN + 1]; /* device name */ 83 u_long pd_unit; /* Unit number */ 84 u_int16_t pc_vendor; /* PCI Vendor ID */ 85 u_int16_t pc_device; /* PCI Device ID */ 86 u_int8_t pc_class; /* PCI class */ 87 pci_getconf_flags flags; /* Matching expression */ 88 }; 89 90 struct pci_conf_io { 91 u_int32_t pat_buf_len; /* pattern buffer length */ 92 u_int32_t num_patterns; /* number of patterns */ 93 struct pci_match_conf *patterns; /* pattern buffer */ 94 u_int32_t match_buf_len; /* match buffer length */ 95 u_int32_t num_matches; /* number of matches returned */ 96 struct pci_conf *matches; /* match buffer */ 97 u_int32_t offset; /* offset into device list */ 98 u_int32_t generation; /* device list generation */ 99 pci_getconf_status status; /* request status */ 100 }; 101 102 struct pci_io { 103 struct pcisel pi_sel; /* device to operate on */ 104 int pi_reg; /* configuration register to examine */ 105 int pi_width; /* width (in bytes) of read or write */ 106 u_int32_t pi_data; /* data to write or result of read */ 107 }; 108 109 110 #define PCIOCGETCONF _IOWR('p', 1, struct pci_conf_io) 111 #define PCIOCREAD _IOWR('p', 2, struct pci_io) 112 #define PCIOCWRITE _IOWR('p', 3, struct pci_io) 113 #define PCIOCATTACHED _IOWR('p', 4, struct pci_io) 114 115 #endif /* !_SYS_PCIIO_H_ */ 116