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Current File : /proc/self/root/usr/libexec/truescale-serdes.cmds
#!/bin/bash
# Copyright (c) 2013 Intel Corporation. All rights reserved.
# Copyright (c) 2010 QLogic Corporation.
# All rights reserved.
#
# This software is available to you under a choice of one of two
# licenses.  You may choose to be licensed under the terms of the GNU
# General Public License (GPL) Version 2, available from the file
# COPYING in the main directory of this source tree, or the
# OpenIB.org BSD license below:
#
#     Redistribution and use in source and binary forms, with or
#     without modification, are permitted provided that the following
#     conditions are met:
#
#      - Redistributions of source code must retain the above
#        copyright notice, this list of conditions and the following
#        disclaimer.
#
#      - Redistributions in binary form must reproduce the above
#        copyright notice, this list of conditions and the following
#        disclaimer in the documentation and/or other materials
#        provided with the distribution.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# This script does truescale (qib) adapter-specific actions, and is
# sourced during boot after the ib_qib module is loaded. The stop
# operation is deprecated.  It isn't intended for standalone use.

# base name in /sys/class
PATH=/sbin:/bin:/usr/sbin:/usr/bin:$PATH
export PATH
qb=/sys/class/infiniband/qib
serdes_parm=txselect

if [ -r /etc/rdma/rdma.conf ]; then
    IB_CONFIG=/etc/rdma/rdma.conf
else
    IB_CONFIG=/etc/infiniband/openib.conf
fi
if [ -f $IB_CONFIG ]; then
   . $IB_CONFIG
fi

# If user specifies an override or the setting is ommitted from the config file
# then default to new back plane version.
if [ -z $QIB_QME_BPVER ]; then
   QIB_QME_BPVER=1
fi

warn_and_log()
{
    echo "$0: $@"
    logger -t infinipath "$@"
}

setup_qmh()
{
    local -i nunit=0 bay bl2xB=0 full=0
    local parmf sysinfo bayinfo mez1bus mez2bus mez3bus=0 tbay
    local -a parm bay_h1
    for parm in parameters/${serdes_parm} ${serdes_parm}; do
	if [ -e /sys/module/ib_qib/$parm ]; then
		parmf=/sys/module/ib_qib/$parm
		break;
	fi
    done
    if [ ! "$parmf" ]; then
	warn_and_log Unable to find ${serdes_parm} parameter
	return
    fi
    sysinfo="$(PATH=/sbin:/usr/sbin:$PATH; dmidecode -t system | \
	    sed -e '/^Handle/d' -e '/^[ \t]*$/d' -e 's/[ \t]*$//' )"
    if [ ! "$sysinfo" ]; then
	warn_and_log Unable to determine system type
	return
    fi
    bayinfo="$(PATH=/sbin:/usr/sbin:$PATH; dmidecode -t 204)"
    if [ ! "$bayinfo" ]; then
	warn_and_log Unable to determine bay
	return
    fi
    case "${bayinfo}" in
    *Server*Bay:*) tbay=$(PATH=/sbin:/usr/sbin:$PATH; dmidecode -t 204 | \
	    sed -n -e 's/[ \t]*$//' -e 's/[ \t]*Server Bay:[ \t]*//p') ;;
    *) tbay=$(PATH=/sbin:/usr/sbin:$PATH; dmidecode -t 204 | \
	    sed -n -e '1,/BladeSystem/d' -e 's/  *$//' -e 's/^\t\t*//' \
	    -e '/^[0-9][AB]*$/p' -e '/^[0-9][0-9][AB]*$/p') ;;
    esac

    read pbase < $parmf
    parm=($(echo ${qb}*))
    nunit=${#parm[*]}

    # [0] is a dummy in these arrays, bay #'ing starts at 1
    # H1 value, per bay (same for both ports)
    m1_bay_h1=(0 8 7 7 7 7 6 6 6 8 7 7 7 7 6 6 7)
    m2_bay_h1=(0 11 11 11 11 11 11 10 11 11 11 11 11 10 10 10 10)
    m3_bay_h1=(0 11 11 11 11 10 10 10 10)

    # tx serdes index per bay for mez1 (either port)
    mez1p1_idx=(0 2 2 17 17 17 1 1 1 2 1 17 17 16 2 18 16)
    # tx serdes setting for mez1 p2 (only used on full-height blades)
    mez1p2_idx=(0 4 4 3 3 3 2 4 4)
    # tx serdes index per bay for mez2 port 1
    mez2p1_idx=(0 2 2 17 17 17 1 1 1 2 1 17 17 16 2 18 1)
    # tx serdes index per bay for mez2 port 2
    mez2p2_idx=(0 2 2 19 1 1 1 1 1 2 1 18 17 1 19 1 1)
    # tx serdes index per bay for mez3 port 1 (mez3 only on full-height blades)
    mez3p1_idx=(0 2 1 18 17 1 19 1 1)
    # tx serdes index per bay for mez3 port 2 (mez3 only on full-height blades)
    mez3p2_idx=(0 2 1 17 17 16 2 18 1)

    case "${sysinfo}" in
    *BL280[cC]*) mez1bus=3 mez2bus=6 bay=$tbay ;;
    # both nodes on the 2x220 blade have bus 3, only one mez, but
    # they connect to different switches through different paths
    # so A and B have different parameters.  They connect to
    # the switch as if they were the mez2 on other blade types,
    # with port 1 on mez2 for A node and port 2 on mez2
    # for the B node
    *BL2x220[cC]*)
	mez1bus=3 mez2bus=3 bay=${tbay%[AB]}
	case "${tbay}" in
	*A) bl2xB=${mez2p1_idx[$bay]} ;;
	*B) bl2xB=${mez2p2_idx[$bay]} ;;
	esac
	;;
    *BL460[cC]*) mez1bus=6 mez2bus=9 bay=$tbay ;;
    *BL465[cC]*) mez1bus=5 mez2bus=8 bay=$tbay ;;
    *BL490[cC]*) mez1bus=6 mez2bus=7 bay=$tbay ;;
    *BL685[cC]*) mez1bus=41 mez2bus=6 mez3bus=44 full=1 bay=$(($tbay % 9)) ;;
    *) warn_and_log Unknown blade type "$sysinfo"
	return ;;
    esac

    # mez1 only has port1 connected, mez2, mez3 can have both ports

    # If only one card, and two mez possible, we have to figure out which
    # mez we are plugged into.
    # On RHEL4U8, we look in the driver subdir, all others
    # in the device/driver subdir for the pcie bus.
    pciprefix="[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]:"
    if [ ${bl2xB} -ne 0 ]; then
	pbase="${pbase} 0,1=${bl2xB},${m2_bay_h1[$bay]}"
    else while [ $nunit -ne 0 ]; do
	(( nunit-- ))
	buspath=$(readlink -m ${qb}${nunit}/device)
	if [ -n "$(echo ${buspath} | grep "${pciprefix}$(printf "%02d" ${mez1bus}):")" ]; then
	    pbase="${pbase} ${nunit},1=${mez1p1_idx[$bay]},${m1_bay_h1[$bay]}"
	    if [ ${full} -eq 1 ]; then
		pbase="${pbase} ${nunit},2=${mez1p2_idx[$bay]},${m1_bay_h1[$bay]}"
	    fi
	elif [ -n "$(echo ${buspath} | grep "${pciprefix}$(printf "%02d" ${mez2bus}):")" ]; then
	    pbase="${pbase} ${nunit},1=${mez2p1_idx[$bay]},${m2_bay_h1[$bay]}"
	    pbase="${pbase} ${nunit},2=${mez2p2_idx[$bay]},${m2_bay_h1[$bay]}"
	elif [ -n "$(echo ${buspath} | grep "${pciprefix}$(printf "%02d" ${mez3bus}):")" ]; then
	    pbase="${pbase} ${nunit},1=${mez3p1_idx[$bay]},${m3_bay_h1[$bay]}"
	    pbase="${pbase} ${nunit},2=${mez3p2_idx[$bay]},${m3_bay_h1[$bay]}"
	else
	    warn_and_log Mismatch on mezbus ${mez1_bus},${mez2_bus},${mez3_bus} \
		and unit ${nunit}, no serdes setup
	fi
	done
    fi
    echo -n ${pbase} > $parmf
}



setup_qme()
{
    local parm parmf sn pbase
    local -i nunit=0 bay idx bpver=${QIB_QME_BPVER:1}
    local -a bp0_idx bp1_idx set

    # tx settings for Dell Backplane v1.0
    bp0_idx=( 0 22 23 24 25 26 24 27 28 22 23 24 25 26 24 27 28 )
    # tx settings for Dell Backplane v1.1
    bp1_idx=( 0 29 29 30 31 32 33 30 29 29 29 30 31 32 33 30 29 )
    
    for parm in parameters/${serdes_parm} ${serdes_parm}; do
	if [ -e /sys/module/ib_qib/$parm ]; then
		parmf=/sys/module/ib_qib/$parm
		break;
	fi
    done
    if [ ! "$parmf" ]; then
	warn_and_log Unable to find ${serdes_parm} parameter
	return
    fi

    read pbase < $parmf
    parm=( $(echo ${qb}*) )
    nunit=${#parm[*]}

    if [ -e /sys/module/ib_qib/parameters/qme_bp ]; then
	read bpver < /sys/module/ib_qib/parameters/qme_bp
	if [ ${bpver} -ne 0 -a ${bpver} -ne 1 ]; then
	    warn_and_log "Invalid Dell backplane version (${bpver}). Defaulting to 1."
	    bpver=1
	fi
    fi
    eval 'set=( ${bp'${bpver}'_idx[@]} )'

    # we get two serial numbers normally, use 2nd if present, else first
    sn="$(dmidecode -t 2 | grep -i serial | tail -1)"
    case ${sn} in
	*[sS]erial\ [nN]umber*)
	    bay="$(echo $sn | sed -e 's/\.$//' -e 's/.*\.0*//' -e 's/[abcd]$//')"
	    if [ ${bay} -gt ${#set[@]} ]; then
		warn_and_log Unexpected QME7342 bay info: ${sn}, no Tx params
		return
	    fi
	    idx=${set[bay]}
	    # H1 is same for all QME bays, so no need to specify.
	    while [ $nunit -ne 0 ]; do
		(( nunit-- ))
		pbase="${pbase} ${nunit},1=${idx} ${nunit},2=${idx}"
	    done
	    echo -n ${pbase} > $parmf
	    ;;
	*) warn_and_log No QME7342 bay information, no Tx params
	    return;;
    esac
}

has_qib=$(lspci -n 2>/dev/null | grep -i "1077\|1fc1")
if [ ! "${has_qib}" ]; then
        exit 0
fi

case "$1" in
start)
	has_qmh7342=$(grep QMH7342 ${qb}*/hca_type 2>/dev/null)
	if [ "${has_qmh7342}" ]; then
	    setup_qmh
	else
	    has_qme7342=$(grep QME7342 ${qb}*/hca_type 2>/dev/null)
	    if [ "${has_qme7342}" ]; then
		setup_qme
	    fi
	fi

	;;
stop)
	warn_and_log stop operation deprecated
	;;
esac
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AnonSec Team