mirror of https://github.com/dzavalishin/oskit/
111 lines
2.9 KiB
C
Executable File
111 lines
2.9 KiB
C
Executable File
/*
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* Copyright (c) 1996, 1998, 1999 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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/*
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* Default pci config object.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <oskit/com.h>
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#include <oskit/dev/dev.h>
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#include <oskit/dev/osenv_pci_config.h>
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/*
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* There is one and only one pci config interface in this implementation.
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*/
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static struct oskit_osenv_pci_config_ops osenv_pci_config_ops;
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#ifdef KNIT
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struct oskit_osenv_pci_config osenv_pci_config_object =
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#else
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static struct oskit_osenv_pci_config osenv_pci_config_object =
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#endif
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{&osenv_pci_config_ops};
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static OSKIT_COMDECL
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pci_config_query(oskit_osenv_pci_config_t *s,
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const oskit_iid_t *iid, void **out_ihandle)
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{
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if (memcmp(iid, &oskit_iunknown_iid, sizeof(*iid)) == 0 ||
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memcmp(iid, &oskit_osenv_pci_config_iid, sizeof(*iid)) == 0) {
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*out_ihandle = s;
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return 0;
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}
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*out_ihandle = 0;
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return OSKIT_E_NOINTERFACE;
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};
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static OSKIT_COMDECL_U
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pci_config_addref(oskit_osenv_pci_config_t *s)
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{
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/* Only one object */
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return 1;
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}
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static OSKIT_COMDECL_U
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pci_config_release(oskit_osenv_pci_config_t *s)
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{
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/* Only one object */
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return 1;
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}
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static OSKIT_COMDECL
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pci_config_init(oskit_osenv_pci_config_t *o)
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{
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return osenv_pci_config_init();
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}
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static OSKIT_COMDECL_U
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pci_config_read(oskit_osenv_pci_config_t *o,
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char bus, char device, char function,
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char port, unsigned *data)
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{
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return osenv_pci_config_read(bus, device, function, port, data);
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}
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static OSKIT_COMDECL_U
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pci_config_write(oskit_osenv_pci_config_t *o,
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char bus, char device, char function,
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char port, unsigned data)
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{
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return osenv_pci_config_write(bus, device, function, port, data);
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}
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static struct oskit_osenv_pci_config_ops osenv_pci_config_ops = {
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pci_config_query,
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pci_config_addref,
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pci_config_release,
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pci_config_init,
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pci_config_read,
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pci_config_write,
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};
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#ifndef KNIT
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/*
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* Return a reference to the one and only interrupt object.
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*/
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oskit_osenv_pci_config_t *
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oskit_create_osenv_pci_config(void)
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{
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return &osenv_pci_config_object;
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}
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#endif
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