Differential D7347 Diff 18867 head/sys/dev/hyperv/vmbus/vmbus.c

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head/sys/dev/hyperv/vmbus/vmbus.c

Show First 20 Lines • Show All 136 Lines • ▼ Show 20 Lines
};		};

static const vmbus_chanmsg_proc_t		static const vmbus_chanmsg_proc_t
vmbus_chanmsg_handlers[VMBUS_CHANMSG_TYPE_MAX] = {		vmbus_chanmsg_handlers[VMBUS_CHANMSG_TYPE_MAX] = {
VMBUS_CHANMSG_PROC(CHOFFER_DONE, vmbus_scan_done),		VMBUS_CHANMSG_PROC(CHOFFER_DONE, vmbus_scan_done),
VMBUS_CHANMSG_PROC_WAKEUP(CONNECT_RESP)		VMBUS_CHANMSG_PROC_WAKEUP(CONNECT_RESP)
};		};

		static device_method_t vmbus_methods[] = {
		/* Device interface */
		DEVMETHOD(device_probe, vmbus_probe),
		DEVMETHOD(device_attach, vmbus_attach),
		DEVMETHOD(device_detach, vmbus_detach),
		DEVMETHOD(device_shutdown, bus_generic_shutdown),
		DEVMETHOD(device_suspend, bus_generic_suspend),
		DEVMETHOD(device_resume, bus_generic_resume),

		/* Bus interface */
		DEVMETHOD(bus_add_child, bus_generic_add_child),
		DEVMETHOD(bus_print_child, bus_generic_print_child),
		DEVMETHOD(bus_read_ivar, vmbus_read_ivar),
		DEVMETHOD(bus_child_pnpinfo_str, vmbus_child_pnpinfo_str),

		/* Vmbus interface */
		DEVMETHOD(vmbus_get_version, vmbus_get_version_method),
		DEVMETHOD(vmbus_probe_guid, vmbus_probe_guid_method),

		DEVMETHOD_END
		};

		static driver_t vmbus_driver = {
		"vmbus",
		vmbus_methods,
		sizeof(struct vmbus_softc)
		};

		static devclass_t vmbus_devclass;

		DRIVER_MODULE(vmbus, acpi, vmbus_driver, vmbus_devclass, NULL, NULL);
		MODULE_DEPEND(vmbus, acpi, 1, 1, 1);
		MODULE_VERSION(vmbus, 1);

static struct vmbus_msghc *		static struct vmbus_msghc *
vmbus_msghc_alloc(bus_dma_tag_t parent_dtag)		vmbus_msghc_alloc(bus_dma_tag_t parent_dtag)
{		{
struct vmbus_msghc *mh;		struct vmbus_msghc *mh;

mh = malloc(sizeof(*mh), M_DEVBUF, M_WAITOK \| M_ZERO);		mh = malloc(sizeof(*mh), M_DEVBUF, M_WAITOK \| M_ZERO);

mh->mh_inprm = hyperv_dmamem_alloc(parent_dtag,		mh->mh_inprm = hyperv_dmamem_alloc(parent_dtag,
▲ Show 20 Lines • Show All 1,090 Lines • ▼ Show 20 Lines	#ifndef EARLY_AP_STARTUP
*/		*/
if (!cold)		if (!cold)
#endif		#endif
vmbus_doattach(vmbus_sc);		vmbus_doattach(vmbus_sc);

return (0);		return (0);
}		}

static void
vmbus_sysinit(void *arg __unused)
{
struct vmbus_softc *sc = vmbus_get_softc();

if (vm_guest != VM_GUEST_HV \|\| sc == NULL)
return;

#ifndef EARLY_AP_STARTUP
/*
* If the system has already booted and thread
* scheduling is possible, as indicated by the
* global cold set to zero, we just call the driver
* initialization directly.
*/
if (!cold)
#endif
vmbus_doattach(sc);
}

static int		static int
vmbus_detach(device_t dev)		vmbus_detach(device_t dev)
{		{
struct vmbus_softc *sc = device_get_softc(dev);		struct vmbus_softc *sc = device_get_softc(dev);

vmbus_chan_destroy_all(sc);		vmbus_chan_destroy_all(sc);

vmbus_disconnect(sc);		vmbus_disconnect(sc);
Show All 13 Lines	vmbus_detach(device_t dev)

free(sc->vmbus_chmap, M_DEVBUF);		free(sc->vmbus_chmap, M_DEVBUF);
mtx_destroy(&sc->vmbus_scan_lock);		mtx_destroy(&sc->vmbus_scan_lock);
mtx_destroy(&sc->vmbus_prichan_lock);		mtx_destroy(&sc->vmbus_prichan_lock);

return (0);		return (0);
}		}

static device_method_t vmbus_methods[] = {		#ifndef EARLY_AP_STARTUP
/* Device interface */
DEVMETHOD(device_probe, vmbus_probe),
DEVMETHOD(device_attach, vmbus_attach),
DEVMETHOD(device_detach, vmbus_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),

/* Bus interface */		static void
DEVMETHOD(bus_add_child, bus_generic_add_child),		vmbus_sysinit(void *arg __unused)
DEVMETHOD(bus_print_child, bus_generic_print_child),		{
DEVMETHOD(bus_read_ivar, vmbus_read_ivar),		struct vmbus_softc *sc = vmbus_get_softc();
DEVMETHOD(bus_child_pnpinfo_str, vmbus_child_pnpinfo_str),

/* Vmbus interface */		if (vm_guest != VM_GUEST_HV \|\| sc == NULL)
DEVMETHOD(vmbus_get_version, vmbus_get_version_method),		return;
DEVMETHOD(vmbus_probe_guid, vmbus_probe_guid_method),

DEVMETHOD_END
};

static driver_t vmbus_driver = {
"vmbus",
vmbus_methods,
sizeof(struct vmbus_softc)
};

static devclass_t vmbus_devclass;

DRIVER_MODULE(vmbus, acpi, vmbus_driver, vmbus_devclass, NULL, NULL);
MODULE_DEPEND(vmbus, acpi, 1, 1, 1);
MODULE_VERSION(vmbus, 1);

#ifndef EARLY_AP_STARTUP
/*		/*
		* If the system has already booted and thread
		* scheduling is possible, as indicated by the
		* global cold set to zero, we just call the driver
		* initialization directly.
		*/
		if (!cold)
		vmbus_doattach(sc);
		}
		/*
* NOTE:		* NOTE:
* We have to start as the last step of SI_SUB_SMP, i.e. after SMP is		* We have to start as the last step of SI_SUB_SMP, i.e. after SMP is
* initialized.		* initialized.
*/		*/
SYSINIT(vmbus_initialize, SI_SUB_SMP, SI_ORDER_ANY, vmbus_sysinit, NULL);		SYSINIT(vmbus_initialize, SI_SUB_SMP, SI_ORDER_ANY, vmbus_sysinit, NULL);
#endif
		#endif /* !EARLY_AP_STARTUP */