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/*
* Copyright (c) 1997, 1998, 1999 The University of Utah and the Flux Group.
*
* This file is part of the OSKit Linux Glue Libraries, which are free
* software, also known as "open source;" you can redistribute them and/or
* modify them under the terms of the GNU General Public License (GPL),
* version 2, as published by the Free Software Foundation (FSF).
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* Definitions private to the Linux device driver glue code,
* but global for all classes of Linux driver glue (e.g., block, net, scsi).
*/
#ifndef _LINUX_DEV_GLUE_H_
#define _LINUX_DEV_GLUE_H_
#include <oskit/dev/dev.h>
#include <oskit/dev/driver.h>
#include <oskit/dev/isa.h>
#include "osenv.h"
/*
* One of these structures is statically created for each device driver.
* The drvi.ops operations vector must point to &oskit_linux_driver_ops.
* This way, each Linux driver is represented by a separate fdev driver object,
* but they all refer to the same implementation functions (in driver.c).
*/
struct driver_struct {
oskit_isa_driver_t drvi; /* COM fdev driver interface */
oskit_error_t (*probe)(struct driver_struct *ds);
/* Routine to probe for devices */
oskit_devinfo_t info; /* Descriptive info on driver */
};
extern struct oskit_isa_driver_ops oskit_linux_driver_ops;
/*
* Initialize the common data structures used by all Linux drivers.
* Each device- or class-specific initialization function
* should call this function before doing anything else.
* It is harmless to call this function multiple times.
*/
oskit_error_t oskit_linux_dev_init(void);
/*
* Register a Linux device driver node statically created
* using the above driver_struct.
*/
oskit_error_t oskit_linux_driver_register(struct driver_struct *drv);
/*
* Macro to call a single-driver initialization function
* and log an appropriate message if it fails.
*/
#define INIT_DRIVER(func, name) \
({ oskit_error_t rc = oskit_linux_init_##func(); \
if (rc) osenv_log(OSENV_LOG_ERR, \
"error initializing "name": %d", rc); \
})
#endif /* _LINUX_DEV_GLUE_H_ */
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