Manual Pages for UNIX Operating System command usage for man dev_ops

Data Structures for Drivers                           dev_ops(9S)



NAME
     dev_ops - device operations structure

SYNOPSIS
     #include 
     #include 


INTERFACE LEVEL
     Solaris DDI specific (Solaris DDI).

DESCRIPTION
     dev_ops contains driver common fields and  pointers  to  the
     bus_ops and cb_ops(9S).


     Following are the device functions provided  in  the  device
     operations  structure.  All  fields  must  be set at compile
     time.

     devo_rev         Driver build version. Set this to DEVO_REV.


     devo_refcnt      Driver reference count. Set this to 0.


     devo_getinfo     Get   device   driver   information    (see
                      getinfo(9E)).


     devo_identify    This  entry  point  is  obsolete.  Set   to
                      nulldev.


     devo_probe       Probe device. See probe(9E).


     devo_attach      Attach driver to dev_info. See attach(9E).


     devo_detach      Detach/prepare  driver   to   unload.   See
                      detach(9E).


     devo_reset       Reset  device.  (Not  supported   in   this
                      release.) Set this to nodev.


     devo_cb_ops      Pointer to cb_ops(9S)  structure  for  leaf
                      drivers.





SunOS 5.11          Last change: 16 Sep 2008                    1






Data Structures for Drivers                           dev_ops(9S)



     devo_bus_ops     Pointer to  bus  operations  structure  for
                      nexus  drivers. Set this to NULL if this is
                      for a leaf driver.


     devo_power       Power a  device  attached  to  system.  See
                      power(9E).


     devo_quiesce     Quiesce a device attached  to  system  (see
                      quiesce(9E) for more information). This can
                      be set to ddi_quiesce_not_needed()  if  the
                      driver does not need to implement quiesce.


STRUCTURE MEMBERS
       int             devo_rev;
       int             devo_refcnt;
       int             (*devo_getinfo)(dev_info_t *dip,
                       ddi_info_cmd_t infocmd, void *arg, void **result);
       int             (*devo_identify)(dev_info_t *dip);
       int             (*devo_probe)(dev_info_t *dip);
       int             (*devo_attach)(dev_info_t *dip,
                       ddi_attach_cmd_t cmd);
       int             (*devo_detach)(dev_info_t *dip,
                       ddi_detach_cmd_t cmd);
       int             (*devo_reset)(dev_info_t *dip, ddi_reset_cmd_t cmd);
       struct cb_ops   *devo_cb_ops;
       struct bus_ops  *devo_bus_ops;
       int             (*devo_power)(dev_info_t *dip, int component, int level);
       int             (*devo_quiesce)(dev_info_t *dip);


SEE ALSO
     attach(9E), detach(9E), getinfo(9E),  probe(9E),  power(9E),
     quiesce(9E), nodev(9F)


     Writing Device Drivers
















SunOS 5.11          Last change: 16 Sep 2008                    2