Intel IXP2400, Руководство пользователя

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312 Development Tools User’s Guide
Intel
®
IXP2400/IXP2800 Network Processors
SPI4 Bus Functional Model
E.3 Console Functions
The SPI4 BFM supports the concept of a device/port as devised by the IXP2800 development tool
(WB). This concept allows for single instantiation of SPI4 BFM via a transactor command,
foreign_model , to handle multiple logical spi4 devices in the simulation environment. Each spi4
device is dubbed with a unique device id; each device has its own configuration. This configuration
information includes:
•
Device/Port configuration
•
Flow control configuration
•
Simulation control
•
Statistic information access
The following sections will describe how to use each of the console functions supported by the
latest
spi4_bfm.dll .
E.3.1 Device/Port Configuration
The device/port configuration functions are:
•
spi4_define_device (see Section E.3.1.1 )
•
spi4_set_device_rx_param (see Section E.3.1.2 )
•
spi4_set_port_rx_param (see Section E.3.1.2 )
•
spi4_set_device_tx_param (see Section E.3.1.2 )
•
spi4_set_port_tx_param (see Section E.3.1.2 )
•
spi4_create_device (see Section E.3.1.3 )
•
spi4_connect_device (see Section E.3.1.4 )
•
spi4_enable_device (see Section E.3.1.5 )
•
spi4_enable_port (see Section E.3.1.5 )
E.3.1.1 spi4_define_device
The
spi4_define_device
function defines a spi4 device for use in the simulation.
int spi4_define_device (char *device_type,
int device_id,
int num_ports )
where:
device_type : N/A,
device_id : unique device id for each device,
num_ports number of ports in the specified device