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[device] Provide a driver-private data field for root devices 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/33/head
Michael Brown 2014-12-18 14:38:45 +00:00
parent 35c5379760
commit d83fb45b66
1 changed files with 23 additions and 0 deletions
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23
src/include/ipxe/device.h
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@ -93,6 +93,8 @@ struct root_device {
struct device dev;
/** Root device driver */
struct root_driver *driver;
/** Driver-private data */
void *priv;
};
/** A root device driver */
@ -123,6 +125,27 @@ struct root_driver {
/** Declare a root device */
#define __root_device __table_entry ( ROOT_DEVICES, 01 )
/**
* Set root device driver-private data
*
* @v rootdev Root device
* @v priv Private data
*/
static inline void rootdev_set_drvdata ( struct root_device *rootdev,
void *priv ){
rootdev->priv = priv;
}
/**
* Get root device driver-private data
*
* @v rootdev Root device
* @ret priv Private data
*/
static inline void * rootdev_get_drvdata ( struct root_device *rootdev ) {
return rootdev->priv;
}
extern int device_keep_count;
/**