87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/* $OpenBSD: pciio.h,v 1.8 2020/06/22 04:11:37 dlg Exp $ */
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/*-
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* Copyright (c) 1997, Stefan Esser <se@FreeBSD.ORG>
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* Copyright (c) 1997, 1998, 1999, Kenneth D. Merry <ken@FreeBSD.ORG>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD: src/sys/sys/pciio.h,v 1.5 1999/12/08 17:44:04 ken Exp $
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*
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*/
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#ifndef _SYS_PCIIO_H_
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#define _SYS_PCIIO_H_
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#include <sys/ioccom.h>
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struct pcisel {
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u_int8_t pc_bus; /* bus number */
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u_int8_t pc_dev; /* device on this bus */
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u_int8_t pc_func; /* function on this device */
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};
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struct pci_io {
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struct pcisel pi_sel; /* device to operate on */
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int pi_reg; /* configuration register to examine */
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int pi_width; /* width (in bytes) of read or write */
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u_int32_t pi_data; /* data to write or result of read */
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};
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struct pci_rom {
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struct pcisel pr_sel;
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int pr_romlen;
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char *pr_rom;
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};
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struct pci_vpd_req {
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struct pcisel pv_sel;
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int pv_offset;
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int pv_count;
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uint32_t *pv_data;
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};
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struct pci_vga {
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struct pcisel pv_sel;
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int pv_lock;
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int pv_decode;
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};
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#define PCI_VGA_UNLOCK 0x00
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#define PCI_VGA_LOCK 0x01
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#define PCI_VGA_TRYLOCK 0x02
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#define PCI_VGA_IO_ENABLE 0x01
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#define PCI_VGA_MEM_ENABLE 0x02
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#define PCIOCREAD _IOWR('p', 2, struct pci_io)
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#define PCIOCWRITE _IOWR('p', 3, struct pci_io)
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#define PCIOCGETROMLEN _IOWR('p', 4, struct pci_rom)
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#define PCIOCGETROM _IOWR('p', 5, struct pci_rom)
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#define PCIOCGETVGA _IOWR('p', 6, struct pci_vga)
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#define PCIOCSETVGA _IOWR('p', 7, struct pci_vga)
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#define PCIOCREADMASK _IOWR('p', 8, struct pci_io)
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#define PCIOCGETVPD _IOWR('p', 9, struct pci_vpd_req)
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#endif /* !_SYS_PCIIO_H_ */
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