User manual

Where:

ctrl

pointer to CHAPI tape controller instance

p_tape_i

–

place to put created CHAPI tape transport instance

transport_number

–

CHAPI tape transport instance number

Setup parameters pass to the CHAPI tape transport via setup(void * param, int arg) as a

NULL TERMINATED string.

For example:

- to pass setup option to CHAPI tape transport mapped to *.mtd file we must call:

tape[0]->setup(“somefile.mtd”, 0);

- to pass setup option to CHAPI tape transport mapped to SCSI we must call:

tape[7]->seup(“\\.\SCSI4:0:1”, 0);

- to pass setup option to CHAPI tape transport mapped to tape driver we must call:

tape[3]->setup(“\\.\Tape0”, 0);

In implemented CHAPI tape controller and CHAPI tape transports used

predefined options.

Tape transport commands:

enum

{

// Erase tape

TAPE_CMD_ERASE,

// Write tape mark

TAPE_CMD_WRITE_MARK,

// Rewrite tape mark

TAPE_CMD_REWRITE_MARK,

// Rewind tape

TAPE_CMD_REWIND,

// Skip some tape records in forward direction

TAPE_CMD_SKIP_RECORD,

// Skip some tape marks in forward direction

TAPE_CMD_SKIP_MARK,