bcm2835_mbox_tag_hdr Struct Reference

Tag Header. More...

#include <vc_defines.h>

Data Fields
uint32_t	tag
	Property Tag ID.
uint32_t	val_buf_size
	The size of request qnd responce buffer.
uint32_t	val_len
	The size of response buffer set by videocore. More...

Detailed Description

Tag Header.

Tag is used for getting/testing/setting an property. All tags should start with this header. Then it should be followed by a data buffer for request and response.

Field Documentation

val_len

uint32_t bcm2835_mbox_tag_hdr::val_len

The size of response buffer set by videocore.

upper bit reserved for request/response indicator

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The documentation for this struct was generated from the following file:

• bsps/arm/raspberrypi/start/vc_defines.h