| 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 | |