Copyright (c) 2008, Sun Microsystems, Inc., All Rights Reserved
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
#include <sys/conf.h> #include <sys/devops.h>
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.
Driver reference count. Set this to 0.
Get device driver information (see getinfo(9E)).
This entry point is obsolete. Set to nulldev.
Probe device. See probe(9E).
Attach driver to dev_info. See attach(9E).
Reset device. (Not supported in this release.) Set this to nodev.
Pointer to cb_ops(9S) structure for leaf drivers.
Pointer to bus operations structure for nexus drivers. Set this to NULL if this is for a leaf driver.
Power a device attached to system. See power(9E).
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.
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);
Writing Device Drivers