#! /bin/sh

# This test should only be run when the scsi module is loaded (or scsi
# functionality is built into the kernel).

# We test for scsi functionality by grepping in /proc/kallsyms for
# 'scsi_dispatch_cmd', which is what 'scsi.iodispatching' maps to.
# If that mapping changes this grep command will also need changing.
if ! grep scsi_dispatch_cmd /proc/kallsyms >/dev/null 2>&1 ; then
	echo "scsi funtionality not present - not running test";
	exit 0;
fi


./stap -p4 - << EOF
probe scsi.ioentry
{
	printf("ppname: %s, %d, %d, %d\n", probefunc(),
		disk_major, disk_minor, device_state)
}

probe scsi.iodispatching
{
	printf("ppname: %s, %d, %d, %d, %d, %d, %d, %p, %d\n", probefunc(), 
		host_no, channel, lun, dev_id, device_state, data_direction, 
		request_buffer, req_bufflen)
}


probe scsi.iodone
{
	printf("ppname: %s, %d, %d, %d, %d, %d, %d, %d\n", probefunc(), 
		host_no, channel, lun, dev_id, device_state, data_direction, 
		scsi_timer_pending)
}

probe scsi.iocompleted
{
	printf("ppname: %s, %d, %d, %d, %d, %d, %d, %d\n", probefunc(), 
		host_no, channel, lun, dev_id, device_state, data_direction, 
		goodbytes)
}
EOF