i2c_message_rqst Struct Reference

Host request for I2C message transaction. More...

#include <msgqueue.h>

Data Fields
uint8_t	command_code
	The command code corresponding to TT_SMC_MSG_I2C_MESSAGE.
uint8_t	i2c_mst_id
	I2C master ID.
uint8_t	i2c_slave_address
	I2C slave address (7-bit)
uint8_t	num_write_bytes
	Number of bytes to write.
uint8_t	num_read_bytes
	Number of bytes to read.
uint8_t	pad [3]
	Three bytes of padding.
uint8_t	write_data [24]
	Write data buffer (up to 24 bytes)

Detailed Description

Host request for I2C message transaction.

Messages of this type are processed by i2c_message_handler

Field Documentation

command_code

uint8_t i2c_message_rqst::command_code

The command code corresponding to TT_SMC_MSG_I2C_MESSAGE.

i2c_mst_id

uint8_t i2c_message_rqst::i2c_mst_id

I2C master ID.

i2c_slave_address

uint8_t i2c_message_rqst::i2c_slave_address

I2C slave address (7-bit)

num_read_bytes

uint8_t i2c_message_rqst::num_read_bytes

Number of bytes to read.

num_write_bytes

uint8_t i2c_message_rqst::num_write_bytes

Number of bytes to write.

pad

uint8_t i2c_message_rqst::pad[3]

Three bytes of padding.

write_data

uint8_t i2c_message_rqst::write_data[24]

Write data buffer (up to 24 bytes)

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

• tenstorrent/msgqueue.h