1/* $NetBSD: mp.c,v 1.2 2009/06/13 13:35:11 tsutsui 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 1.2 2009/06/13 13:35:11 tsutsui 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