device.c 文件参考

玄武设备栈：设备基类 更多...

#include <xwcd/ds/standard.h>
#include <string.h>
#include <xwos/lib/xwaop.h>
#include <xwos/lib/bclst.h>
#include <xwos/osal/lock/spinlock.h>
#include <xwos/osal/lock/seqlock.h>
#include <xwos/osal/lock/mtx.h>
#include <xwcd/ds/xwds.h>
#include <xwcd/ds/object.h>
#include <xwcd/ds/device.h>

device.c 的引用(Include)关系图:

浏览源代码.

函数
void	xwds_device_construct (struct xwds_device *dev)
	XWDS API：设备的构造函数
void	xwds_device_destruct (struct xwds_device *dev)
	XWDS API：设备的析构函数
xwer_t	xwds_device_vop_probe (struct xwds_device *dev)
	设备基本操作函数：探测设备
xwer_t	xwds_device_vop_remove (struct xwds_device *dev)
	设备基本操作函数：删除设备
xwer_t	xwds_device_vop_start (struct xwds_device *dev)
	设备基本操作函数：启动设备
xwer_t	xwds_device_vop_stop (struct xwds_device *dev)
	设备基本操作函数：停止设备
xwer_t	xwds_device_vop_suspend (struct xwds_device *dev)
	设备基本操作函数：暂停设备
xwer_t	xwds_device_vop_resume (struct xwds_device *dev)
	设备基本操作函数：继续设备
xwer_t	xwds_device_gc (void *obj)
xwer_t	xwds_device_probe (struct xwds *ds, struct xwds_device *dev, xwobj_gc_f gcfunc)
	XWDS API：探测设备
xwer_t	xwds_device_remove (struct xwds_device *dev)
	XWDS API：删除设备
xwer_t	xwds_device_start (struct xwds_device *dev)
	XWDS API：启动设备
xwer_t	xwds_device_stop (struct xwds_device *dev)
	XWDS API：停止设备
xwer_t	xwds_device_suspend (struct xwds_device *dev)
	XWDS API：暂停设备
xwer_t	xwds_device_resume (struct xwds_device *dev)
	XWDS API：继续设备
xwer_t	xwds_device_suspend_all (struct xwds *ds, bool ign_err)
	XWDS API：暂停所有设备
xwer_t	xwds_device_resume_all (struct xwds *ds, bool ign_err)
	XWDS API：继续所有设备

变量
const struct xwds_virtual_operation	xwds_dev_vop
	实现面向对象“多态”的函数表

详细描述

玄武设备栈：设备基类

作者

• 隐星魂 (Roy Sun) xwos@.nosp@m.xwos.nosp@m..tech

版权所有

• Copyright © 2015 xwos.tech, All Rights Reserved.

  ‍Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0
  

  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

在文件 device.c 中定义.

函数说明

xwds_device_gc()

xwer_t xwds_device_gc

(

void *

obj

)

<No error

在文件 device.c 第 180 行定义.

{
        struct xwds_device * dev;
        struct xwds * ds;
        const struct xwds_virtual_operation * vop;
        xwer_t rc;
 
        dev = obj;
        ds = dev->ds;
        if (ds) {
                xwds_obj_del(ds, &dev->obj);
        }
        dev->ds = NULL;
 
        /* remove device */
        vop = dev->vop;
        if (vop && vop->remove) {
                rc = vop->remove(dev);
        } else {
                rc = xwds_device_vop_remove(dev);
        }
        if (rc < 0) {
                goto err_dev_vop_remove;
        }
        return XWOK;
 
err_dev_vop_remove:
        xwds_obj_add(ds, &dev->obj);
        dev->ds = ds;
        return rc;
}

函数调用图:

变量说明

xwds_dev_vop

const struct xwds_virtual_operation xwds_dev_vop

初始值:

= {
        .probe = xwds_device_vop_probe,
        .remove = xwds_device_vop_remove,
        .start = xwds_device_vop_start,
        .stop = xwds_device_vop_stop,
 
        .suspend = xwds_device_vop_suspend,
        .resume = xwds_device_vop_resume,
 
}

实现面向对象“多态”的函数表

在文件 device.c 第 35 行定义.