diff options
Diffstat (limited to 'sys/sys/pciio.h')
| -rw-r--r-- | sys/sys/pciio.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sys/sys/pciio.h b/sys/sys/pciio.h new file mode 100644 index 0000000..713e798 --- /dev/null +++ b/sys/sys/pciio.h @@ -0,0 +1,78 @@ +/* $OpenBSD: pciio.h,v 1.7 2010/09/05 18:14:33 kettenis Exp $ */ + +/*- + * Copyright (c) 1997, Stefan Esser <se@FreeBSD.ORG> + * Copyright (c) 1997, 1998, 1999, Kenneth D. Merry <ken@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD: src/sys/sys/pciio.h,v 1.5 1999/12/08 17:44:04 ken Exp $ + * + */ + +#ifndef _SYS_PCIIO_H_ +#define _SYS_PCIIO_H_ + +#include <sys/ioccom.h> + +struct pcisel { + u_int8_t pc_bus; /* bus number */ + u_int8_t pc_dev; /* device on this bus */ + u_int8_t pc_func; /* function on this device */ +}; + +struct pci_io { + struct pcisel pi_sel; /* device to operate on */ + int pi_reg; /* configuration register to examine */ + int pi_width; /* width (in bytes) of read or write */ + u_int32_t pi_data; /* data to write or result of read */ +}; + +struct pci_rom { + struct pcisel pr_sel; + int pr_romlen; + char *pr_rom; +}; + +struct pci_vga { + struct pcisel pv_sel; + int pv_lock; + int pv_decode; +}; + +#define PCI_VGA_UNLOCK 0x00 +#define PCI_VGA_LOCK 0x01 +#define PCI_VGA_TRYLOCK 0x02 + +#define PCI_VGA_IO_ENABLE 0x01 +#define PCI_VGA_MEM_ENABLE 0x02 + +#define PCIOCREAD _IOWR('p', 2, struct pci_io) +#define PCIOCWRITE _IOWR('p', 3, struct pci_io) +#define PCIOCGETROMLEN _IOWR('p', 4, struct pci_rom) +#define PCIOCGETROM _IOWR('p', 5, struct pci_rom) +#define PCIOCGETVGA _IOWR('p', 6, struct pci_vga) +#define PCIOCSETVGA _IOWR('p', 7, struct pci_vga) +#define PCIOCREADMASK _IOWR('p', 8, struct pci_io) + +#endif /* !_SYS_PCIIO_H_ */ |