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/or 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

Determine if a driver is associated with a device (see identify(9E)).

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.

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;

SEE ALSO

attach(9E), detach(9E), getinfo(9E), identify(9E), probe(9E), nodev(9F)

Writing Device Drivers