3a6d1fcf9c
Log:
- merge in latest xenbus from dfr's xenhvm
- fix race condition in xs_read_reply by converting tsleep to mtx_sleep
Log:
unmask evtchn in bind_{virq, ipi}_to_irq
Log:
- remove code for handling case of not being able to sleep
- eliminate tsleep - make sleeps atomic
131 lines
2.9 KiB
C
131 lines
2.9 KiB
C
/*-
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* Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org>
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* Copyright (c) 1996, by Steve Passe
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the developer may NOT be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#include <machine/apicreg.h>
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#include <machine/frame.h>
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#include <machine/intr_machdep.h>
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#include <machine/apicvar.h>
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#include <machine/md_var.h>
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#include <machine/mptable.h>
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#include <machine/specialreg.h>
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#include <xen/hypervisor.h>
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#include <machine/xen/xen-os.h>
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#include <machine/smp.h>
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#include <xen/interface/vcpu.h>
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static int mptable_probe(void);
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static int mptable_probe_cpus(void);
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static void mptable_register(void *dummy);
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static int mptable_setup_local(void);
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static int mptable_setup_io(void);
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static struct apic_enumerator mptable_enumerator = {
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"MPTable",
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mptable_probe,
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mptable_probe_cpus,
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mptable_setup_local,
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mptable_setup_io
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};
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static int
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mptable_probe(void)
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{
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return (-100);
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}
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static int
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mptable_probe_cpus(void)
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{
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int i, rc;
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for (i = 0; i < MAXCPU; i++) {
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rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
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if (rc >= 0)
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cpu_add(i, (i == 0));
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}
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return (0);
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}
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/*
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* Initialize the local APIC on the BSP.
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*/
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static int
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mptable_setup_local(void)
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{
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return (0);
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}
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static int
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mptable_setup_io(void)
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{
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return (0);
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}
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static void
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mptable_register(void *dummy __unused)
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{
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apic_register_enumerator(&mptable_enumerator);
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}
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SYSINIT(mptable_register, SI_SUB_CPU - 1, SI_ORDER_FIRST, mptable_register,
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NULL);
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int
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mptable_pci_probe_table(int bus)
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{
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return (0);
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}
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int
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mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin)
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{
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return (0);
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}
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