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646995bdda
MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D6405
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*-
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* Copyright (c) 2016 Microsoft Corp.
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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 unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VMBUS_VAR_H_
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#define _VMBUS_VAR_H_
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#include <sys/param.h>
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struct vmbus_pcpu_data {
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int event_flag_cnt; /* # of event flags */
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} __aligned(CACHE_LINE_SIZE);
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struct vmbus_softc {
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void (*vmbus_event_proc)(struct vmbus_softc *, int);
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struct vmbus_pcpu_data vmbus_pcpu[MAXCPU];
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};
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extern struct vmbus_softc *vmbus_sc;
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static __inline struct vmbus_softc *
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vmbus_get_softc(void)
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{
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return vmbus_sc;
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}
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#define VMBUS_SC_PCPU_GET(sc, field, cpu) (sc)->vmbus_pcpu[(cpu)].field
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#define VMBUS_SC_PCPU_PTR(sc, field, cpu) &(sc)->vmbus_pcpu[(cpu)].field
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#define VMBUS_PCPU_GET(field, cpu) \
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VMBUS_SC_PCPU_GET(vmbus_get_softc(), field, (cpu))
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#define VMBUS_PCPU_PTR(field, cpu) \
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VMBUS_SC_PCPU_PTR(vmbus_get_softc(), field, (cpu))
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void vmbus_on_channel_open(const struct hv_vmbus_channel *);
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void vmbus_event_proc(struct vmbus_softc *, int);
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void vmbus_event_proc_compat(struct vmbus_softc *, int);
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#endif /* !_VMBUS_VAR_H_ */
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