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Annotation of sys/sys/pciio.h, Revision 1.1.1.1

1.1       nbrk        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_ */