# BEGIN_ICS_COPYRIGHT8 ****************************************
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# Copyright (c) 2015-2017, Intel Corporation
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# [ICS VERSION STRING: unknown]

# Invoke a fast fabric config file function/utility
# to do so we need to start a bash shell

proc ff_function { func_name arg } {
	if { [ catch {
			set result [ exec bash -c "
									if \[ -f /etc/opa/opafastfabric.conf \]
									then
										. /etc/opa/opafastfabric.conf
									fi
									. /usr/lib/opa/tools/opafastfabric.conf.def
									if \[ x\"\$FF_IPOIB_SUFFIX\" = xNONE \]
									then
										export FF_IPOIB_SUFFIX=\"\"
									fi
									$func_name $arg
									" 2>@ stderr ]
		} res ] != 0 } {
		set error "$func_name $arg: FAILED"
		puts stderr "$error"
		error $error $error
	}
	return $result
}

# convert a name from $HOSTS/$HOSTS_FILE to its basic (hostname -s) format
# name given could be ethernet or IPoIB
proc ff_host_basename { host } {
	return "[ ff_function ff_host_basename $host ]"
}

# convert a name from $HOSTS/$HOSTS_FILE to its IPoIB equivalent
# name given could be ethernet or IPoIB
proc ff_host_to_ipoib { host } {
	return "[ ff_function ff_host_basename_to_ipoib [ff_host_basename $host] ]"
}

# return the base IPoIB device number for this stack 
# Should return 1 on Silverstorm stacks (IBACCESS) and
# 0 on OFED stacks (OPENIB).
proc ff_ipoib_base_dev_num { host } {
	return "[ ff_function ff_ipoib_base_dev_num $host]"
}