xnbe.c revision 193974072f41a843678abf5f61979c748687e66b
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193974072f41a843678abf5f61979c748687e66bSherry Moore * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Use is subject to license terms.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Xen network backend - ioemu version.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * HVM guest domains use an emulated network device (typically the
843e19887f64dde75055cf8842fc4db2171eff45johnlev * rtl8139) to access the physical network via IO emulation running in
843e19887f64dde75055cf8842fc4db2171eff45johnlev * a backend domain (generally domain 0).
843e19887f64dde75055cf8842fc4db2171eff45johnlev * The IO emulation code sends and receives packets using DLPI, usually
843e19887f64dde75055cf8842fc4db2171eff45johnlev * through a virtual NIC (vnic).
843e19887f64dde75055cf8842fc4db2171eff45johnlev * The creation of the relevant vnic to correspond to the network interface
843e19887f64dde75055cf8842fc4db2171eff45johnlev * in the guest domain requires the use of 'hotplug' scripts in the backend
843e19887f64dde75055cf8842fc4db2171eff45johnlev * domain. This driver ensures that the hotplug scripts are run when
843e19887f64dde75055cf8842fc4db2171eff45johnlev * such guest domains are created.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * It is used as a result of the 'compatible' property associated with
843e19887f64dde75055cf8842fc4db2171eff45johnlev * IO emulated devices. See /etc/driver_aliases and common/xen/os/xvdi.c.
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif /* DEBUG */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif /* XNBE_DEBUG */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif /* XNBE_DEBUG */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif /* XNBE_DEBUG */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif /* XNBE_DEBUG */
843e19887f64dde75055cf8842fc4db2171eff45johnlev 0, /* streamtab */
843e19887f64dde75055cf8842fc4db2171eff45johnlev D_NEW | D_MP | D_64BIT /* Driver compatibility flag */
843e19887f64dde75055cf8842fc4db2171eff45johnlev 0, /* devo_refcnt */