dev_ops(9S) Data Structures for Drivers dev_ops(9S)
NAME
dev_ops - device operations structure
SYNOPSIS
#include <sys/conf.h>
#include <sys/devops.h>
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devo_identify This entry point is obsolete.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.
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).
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);
SEE ALSO
attach(9E), detach(9E), getinfo(9E), probe(9E), power(9E), nodev(9F)
Writing Device Drivers
SunOS 5.10 11 Apr 2003 dev_ops(9S)