c8b32f717d
vcpu_id is host's representation of guest CPU. We get the mapping between vcpu_id and FreeBSD kernel's cpu id when VMBus driver is loaded. Later, when a driver, like the coming pcib driver, talks to the host and needs to refer to a guest CPU, the driver must use the vcpu_id. Reviewed by: jhb, sephe Approved by: sephe (mentor) MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8410
54 lines
1.6 KiB
Objective-C
54 lines
1.6 KiB
Objective-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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#include <sys/param.h>
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#include <sys/bus.h>
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INTERFACE vmbus;
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HEADER {
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struct hyperv_guid;
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};
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METHOD uint32_t get_version {
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device_t bus;
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device_t dev;
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};
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METHOD int probe_guid {
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device_t bus;
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device_t dev;
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const struct hyperv_guid *guid;
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};
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METHOD uint32_t get_vcpu_id {
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device_t bus;
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device_t dev;
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int cpu;
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};
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