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ebe5cf355d
in the LinuxKPI. Differential Revision: https://reviews.freebsd.org/D29077 Reviewed by: markj@ and kib@ MFC after: 1 week Sponsored by: Mellanox Technologies // NVIDIA Networking
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*-
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* Copyright (c) 2021 NVIDIA Networking
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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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#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/domainset.h>
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#include <sys/bus.h>
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#include <linux/compat.h>
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#include <linux/device.h>
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struct domainset *
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linux_get_vm_domain_set(int node)
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{
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KASSERT(node < MAXMEMDOM, ("Invalid VM domain %d", node));
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if (node < 0)
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return (DOMAINSET_RR());
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else
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return (DOMAINSET_PREF(node));
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}
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int
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linux_dev_to_node(struct device *dev)
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{
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int numa_domain;
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if (dev == NULL || dev->bsddev == NULL ||
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bus_get_domain(dev->bsddev, &numa_domain) != 0)
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return (-1);
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else
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return (numa_domain);
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}
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