mptable.c revision 224097
1/*- 2 * Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org> 3 * Copyright (c) 1996, by Steve Passe 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the developer may NOT be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/i386/xen/mptable.c 224097 2011-07-16 14:06:02Z jhb $"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/malloc.h> 35#ifdef NEW_PCIB 36#include <sys/rman.h> 37#endif 38 39#include <vm/vm.h> 40#include <vm/vm_param.h> 41#include <vm/pmap.h> 42 43#ifdef NEW_PCIB 44#include <dev/pci/pcivar.h> 45#include <dev/pci/pcib_private.h> 46#endif 47#include <x86/apicreg.h> 48#include <x86/mptable.h> 49#include <machine/frame.h> 50#include <machine/intr_machdep.h> 51#include <machine/apicvar.h> 52#include <machine/md_var.h> 53#include <machine/specialreg.h> 54 55#include <xen/hypervisor.h> 56#include <machine/xen/xen-os.h> 57#include <machine/smp.h> 58#include <xen/interface/vcpu.h> 59 60 61static int mptable_probe(void); 62static int mptable_probe_cpus(void); 63static void mptable_register(void *dummy); 64static int mptable_setup_local(void); 65static int mptable_setup_io(void); 66 67static struct apic_enumerator mptable_enumerator = { 68 "MPTable", 69 mptable_probe, 70 mptable_probe_cpus, 71 mptable_setup_local, 72 mptable_setup_io 73}; 74 75static int 76mptable_probe(void) 77{ 78 79 return (-100); 80} 81 82static int 83mptable_probe_cpus(void) 84{ 85 int i, rc; 86 87 for (i = 0; i < MAXCPU; i++) { 88 rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL); 89 if (rc >= 0) 90 cpu_add(i, (i == 0)); 91 } 92 93 return (0); 94} 95 96/* 97 * Initialize the local APIC on the BSP. 98 */ 99static int 100mptable_setup_local(void) 101{ 102 103 return (0); 104} 105 106static int 107mptable_setup_io(void) 108{ 109 110 return (0); 111} 112 113static void 114mptable_register(void *dummy __unused) 115{ 116 117 apic_register_enumerator(&mptable_enumerator); 118} 119SYSINIT(mptable_register, SI_SUB_TUNABLES - 1, SI_ORDER_FIRST, mptable_register, 120 NULL); 121 122 123 124int 125mptable_pci_probe_table(int bus) 126{ 127 128 return (0); 129} 130 131int 132mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin) 133{ 134 135 return (0); 136} 137 138