84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
/*-
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* Copyright 2018 Michal Meloun <mmel@FreeBSD.org>
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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. 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 DEV_EXTRES_PHY_INTERNAL_H
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#define DEV_EXTRES_PHY_INTERNAL_H
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/* Forward declarations. */
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struct phy;
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struct phynode;
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typedef TAILQ_HEAD(phynode_list, phynode) phynode_list_t;
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typedef TAILQ_HEAD(phy_list, phy) phy_list_t;
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/*
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* Phy node
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*/
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struct phynode {
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KOBJ_FIELDS;
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TAILQ_ENTRY(phynode) phylist_link; /* Global list entry */
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phy_list_t consumers_list; /* Consumers list */
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/* Details of this device. */
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const char *name; /* Globally unique name */
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device_t pdev; /* Producer device_t */
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void *softc; /* Producer softc */
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intptr_t id; /* Per producer unique id */
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#ifdef FDT
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phandle_t ofw_node; /* OFW node of phy */
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#endif
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struct sx lock; /* Lock for this phy */
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int ref_cnt; /* Reference counter */
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int enable_cnt; /* Enabled counter */
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};
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struct phy {
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device_t cdev; /* consumer device*/
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struct phynode *phynode;
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TAILQ_ENTRY(phy) link; /* Consumers list entry */
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int enable_cnt;
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};
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#define PHY_TOPO_SLOCK() sx_slock(&phynode_topo_lock)
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#define PHY_TOPO_XLOCK() sx_xlock(&phynode_topo_lock)
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#define PHY_TOPO_UNLOCK() sx_unlock(&phynode_topo_lock)
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#define PHY_TOPO_ASSERT() sx_assert(&phynode_topo_lock, SA_LOCKED)
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#define PHY_TOPO_XASSERT() sx_assert(&phynode_topo_lock, SA_XLOCKED)
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#define PHYNODE_SLOCK(_sc) sx_slock(&((_sc)->lock))
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#define PHYNODE_XLOCK(_sc) sx_xlock(&((_sc)->lock))
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#define PHYNODE_UNLOCK(_sc) sx_unlock(&((_sc)->lock))
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extern struct sx phynode_topo_lock;
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#endif /* DEV_EXTRES_PHY_INTERNAL_H */
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