The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/pciio.h

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    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 
   38 struct 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 
   44 struct 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 
   51 struct pci_rom {
   52         struct pcisel   pr_sel;
   53         int             pr_romlen;
   54         char            *pr_rom;
   55 };
   56 
   57 struct pci_vpd_req {
   58         struct pcisel   pv_sel;
   59         int             pv_offset;
   60         int             pv_count;
   61         uint32_t        *pv_data;
   62 };
   63 
   64 struct 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_ */

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