1/* $NetBSD: mp.c,v 1.3 2011/07/01 18:21:31 dyoung Exp $ */
2
3/*
4 * Copyright (c) 2003 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Frank van der Linden for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following 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 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#include <sys/cdefs.h>
39__KERNEL_RCSID(0, "$NetBSD: mp.c,v 1.3 2011/07/01 18:21:31 dyoung Exp $");
40
41#include "opt_multiprocessor.h"
42#include "pchb.h"
43
44#include <sys/param.h>
45#include <sys/systm.h>
46#include <sys/kernel.h>
47#include <sys/device.h>
48#include <sys/kmem.h>
49#include <sys/queue.h>
50
51#include <machine/specialreg.h>
52#include <machine/cpuvar.h>
53#include <sys/bus.h>
54#include <machine/mpconfig.h>
55
56#include <dev/pci/pcivar.h>
57#include <dev/pci/pcidevs.h>
58
59#include "pci.h"
60#include "locators.h"
61
62#if NPCI > 0
63int
64mp_pci_scan(device_t self, struct pcibus_attach_args *pba,
65 cfprint_t print)
66{
67 int i, cnt;
68 struct mp_bus *mpb;
69
70 cnt = 0;
71 for (i = 0; i < mp_nbus; i++) {
72 mpb = &mp_busses[i];
73 if (mpb->mb_name == NULL)
74 continue;
75 if (strcmp(mpb->mb_name, "pci") == 0 && mpb->mb_dev == NULL) {
76 pba->pba_bus = i;
77 mpb->mb_dev =
78 config_found_ia(self, "pcibus", pba, print);
79 cnt++;
80 }
81 }
82 return cnt;
83}
84
85void
86mp_pci_childdetached(device_t self, device_t child)
87{
88 int i;
89 struct mp_bus *mpb;
90
91 for (i = 0; i < mp_nbus; i++) {
92 mpb = &mp_busses[i];
93 if (mpb->mb_name == NULL)
94 continue;
95 if (strcmp(mpb->mb_name, "pci") == 0 && mpb->mb_dev == child)
96 mpb->mb_dev = NULL;
97 }
98}
99#endif
100