Driver Interface
[IDL Interface]

Handling of driver instances. More...

Typedefs
typedef l4_uint32_t	l4blk_driver_id_t
Functions
int	l4blk::driver::open ([out] l4blk_driver_id_t *drv,[out] l4_threadid_t *cmd_id,[out] l4_threadid_t *notify_id)
	Open new driver instance.
int	l4blk::driver::close ([in] l4blk_driver_id_t drv)
	Close driver instance.

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Detailed Description

Handling of driver instances.

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Typedef Documentation

typedef l4_uint32_t l4blk_driver_id_t

Driver id, it is used to identify the driver instance at a block device driver

Definition at line 28 of file types.h.

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Function Documentation

int l4blk::driver::open	(	[out] l4blk_driver_id_t *	drv,
		[out] l4_threadid_t *	cmd_id,
		[out] l4_threadid_t *	notify_id
	)			[inherited]

Open new driver instance.

Return values:

	drv	Handle for new instance
	cmd_id	Id of command service thread
	notify_id	Id of notification thread

Returns:

0 on success, error code if open failed.

Create a new instance of the driver. The main job is to assign instances of the command and callback interface threads to the client. This can either be existent or newly created interface threads, dependent on the actual requirements of the driver.

int l4blk::driver::close

(

[in] l4blk_driver_id_t

drv

)

[inherited]

Close driver instance.

Parameters:

drv

Driver handle

Returns:

0 on success, error code if close failed.

Close instance of the driver.