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 |
63 | int |
64 | mp_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 | |
85 | void |
86 | mp_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 | |