PMF(9) | Kernel Developer's Manual | PMF(9) |
PMF
, pmf_device_register
,
pmf_device_register1
,
pmf_device_deregister
,
pmf_device_suspend
,
pmf_device_resume
,
pmf_device_recursive_suspend
,
pmf_device_recursive_resume
,
pmf_device_resume_subtree
,
pmf_class_network_register
,
pmf_class_input_register
,
pmf_class_display_register
,
pmf_system_suspend
,
pmf_system_resume
,
pmf_system_shutdown
,
pmf_event_register
,
pmf_event_deregister
,
pmf_event_inject
,
pmf_set_platform
,
pmf_get_platform
—
#include <sys/device.h>
bool
pmf_device_register
(device_t
dev, bool
(*suspend)(device_t dev, const pmf_qual_t *qual),
bool (*resume)(device_t dev,
const pmf_qual_t *qual));
bool
pmf_device_register1
(device_t
dev, bool
(*suspend)(device_t dev, const pmf_qual_t *qual),
bool (*resume)(device_t dev,
const pmf_qual_t *qual),
bool (*shutdown)(device_t dev,
int how));
void
pmf_device_deregister
(device_t
dev);
bool
pmf_device_suspend
(device_t
dev, const pmf_qual_t
*qual);
bool
pmf_device_resume
(device_t
dev, const pmf_qual_t
*qual);
bool
pmf_device_recursive_suspend
(device_t
dev, const pmf_qual_t
*qual);
bool
pmf_device_recursive_resume
(device_t
dev, const pmf_qual_t
*qual);
bool
pmf_device_subtree_resume
(device_t
dev, const pmf_qual_t
*qual);
void
pmf_class_network_register
(device_t
dev, struct ifnet
*ifp);
bool
pmf_class_input_register
(device_t
dev);
bool
pmf_class_display_register
(device_t
dev);
bool
pmf_system_suspend
(const
pmf_qual_t *qual);
bool
pmf_system_resume
(const
pmf_qual_t *qual);
void
pmf_system_shutdown
(int);
bool
pmf_event_register
(device_t
dev, pmf_generic_event_t
ev, void
(*handler)(device_t dev),
bool global);
void
pmf_event_deregister
(device_t
dev, pmf_generic_event_t
ev, void
(*handler)(device_t dev),
bool global);
bool
pmf_event_inject
(device_t
dev, pmf_generic_event_t
ev);
bool
pmf_set_platform
(const
char *key, const char
*value);
const char *
pmf_get_platform
(const
char *key);
PMF
framework provides power
management and inter-driver messaging support for device drivers.
PMF
may make use of the
following data type:
PMF
suspend or resume call.pmf_device_register
(dev,
suspend, resume)true
on success and
false
on failure. If either
suspend or resume is
NULL
then it is assumed that device state does not
need to be captured and resumed on a power transition. Bus and class-level
power management will still be performed. Returns
false
if there was an error.pmf_device_register1
(dev,
suspend, resume,
shutdown)pmf_device_register
(), but additionally
registers a shutdown handler. During system shutdown,
pmf_system_shutdown
() calls
shutdown on dev with the
reboot(2)
“howto” in the second argument.
shutdown should return true
on success and false
on failure.pmf_device_deregister
(dev)pmf_device_suspend
(dev,
qual)pmf_device_resume
(dev,
qual)pmf_device_recursive_suspend
(dev,
qual)pmf_device_suspend
(), but ensures that all
child devices of dev are suspended.pmf_device_recursive_resume
(dev,
qual)pmf_device_resume
(), but ensures that all
parent devices of dev are resumed.pmf_device_subtree_resume
(dev,
qual)pmf_device_resume
(), but ensures that all child
devices of dev are resumed.pmf_class_network_register
(dev,
ifp)pmf_class_input_register
(dev)pmf_class_display_register
(dev)pmf_system_suspend
(qual)pmf_system_resume
(qual)pmf_system_shutdown
(int)pmf_event_register
(dev,
ev, handler,
global)true
,
handler accepts anonymous events from
pmf_event_inject
().pmf_event_deregister
(dev,
ev, handler,
global)pmf_event_register
().pmf_event_inject
(dev,
ev)NULL
, the event is
considered to be anonymous and one or more drivers may handle this event,
otherwise the event is delivered directly to the callback registered by
dev.pmf_set_platform
(key,
value)pmf_get_platform
(key)NULL
if the key is
not present.PMF
framework appeared in NetBSD
5.0.
April 2, 2012 | NetBSD 9.2 |