powerpc-utils/SOURCES/powerpc-utils-c01580-add_NVMf-FC_boot_support_part1.patch
2023-05-09 08:21:50 +00:00

132 lines
3.1 KiB
Diff

commit c015807d5bef0ebdeaf99883793173f2b636e740
Author: Wen Xiong <wenxiong@linux.ibm.com>
Date: Wed Jun 15 13:05:18 2022 -0500
bootlist: Add install/boot support for nvmf devices
This patch adds the boot/installation support for nvme-over-fc devices.
It can set nvmf device as boot device in both of logical device name
and open firmware device path name.
Signed-off-by: Wen Xiong <wenxiong@linux.ibm.com>
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
diff --git a/scripts/bootlist b/scripts/bootlist
index b5cfbd9..1929f65 100755
--- a/scripts/bootlist
+++ b/scripts/bootlist
@@ -22,6 +22,7 @@
OFPATHNAME=/usr/sbin/ofpathname
NVRAM=/usr/sbin/nvram
+FIND=/usr/bin/find
PSERIES_PLATFORM=$(dirname $0)/pseries_platform
#
@@ -288,6 +289,63 @@ dm_to_part()
done
}
+# is_nvmf_device
+# Check to see if this is a nvmf device
+#
+is_nvmf_device()
+{
+ local res
+
+ res=`$FIND /sys/devices/virtual/nvme-fabrics -name $1 2>/dev/null`
+ if [[ ${#res} = 0 ]]; then
+ echo "no"
+ else
+ echo "yes"
+ fi
+}
+
+# get_link
+# return the directory path that a link points to.
+# The only parameter is the link name.
+#
+get_link()
+{
+ local ln_name=$1;
+
+ echo `ls -l $ln_name 2>/dev/null | awk -F"->" '{print $2}'`
+}
+
+add_nvmf()
+{
+ local DEVNAME=$1
+
+ ctrl_name=$DEVNAME
+ local startctr=$ctr
+
+ local dir
+ for dir in `$FIND /sys/devices/virtual/nvme-fabrics -name "$ctrl_name"`; do
+ cd $dir
+ link=`get_link "device"`
+ cd $link
+ for slave in $PWD/*; do
+ slavedev=${slave##*/}
+ if [[ "$slavedev" == nvme[0-9]* ]] ; then
+ cd $slave
+ res=`$FIND . -name "${ctrl_name}*"`
+ if [[ ${#res} != 0 ]]; then
+ LOGICAL_NAMES[$ctr]=${slavedev}
+ ctr=$[$ctr + 1]
+ fi
+ fi
+ done
+ done
+
+ if [[ "$startctr" = "$ctr" ]] ; then
+ LOGICAL_NAMES[$ctr]=$1
+ ctr=$[$ctr + 1]
+ fi
+}
+
add_logical()
{
local DEVNAME=$1
@@ -432,7 +490,30 @@ while [[ -n $1 ]]; do
exit -1
else
# add this element to the array
- add_logical $1
+ if [[ "$1" == *"dm-"* ]] ; then
+ add_logical $1
+ else
+ if [[ "$1" == *"nvme-of"* ]]; then
+ ctrl_name=`get_logical_device_name $1`
+ else
+ ctrl_name=$1
+ ctrl_name=${ctrl_name##*/}
+ fi
+ ctrl_name="${ctrl_name%n[0-9]*}"
+ is_nvmf=$(is_nvmf_device $ctrl_name)
+ if [[ $is_nvmf = "yes" ]]; then
+ if [[ "$1" == *"nvme-of"* ]]; then
+ master_of_path=$1
+ else
+ master_of_path=`get_of_device_name $1`
+ fi
+ namespace_base=${master_of_path##*/}
+ DEVTYPE="nvme-of"
+ add_nvmf $ctrl_name
+ else
+ add_logical $1
+ fi
+ fi
fi
shift
@@ -453,6 +534,9 @@ if [[ ${#LOGICAL_NAMES[*]} -ne 0 ]]; then
if [[ -z ${OF_DEVPATH[$ctr]} ]]; then
# See if this is an OF pathname
OF_DEVPATH[$ctr]=`get_of_device_name ${LOGICAL_NAMES[$ctr]}`
+ if [[ $DEVTYPE = "nvme-of" ]]; then
+ OF_DEVPATH[$ctr]=${OF_DEVPATH[$ctr]}/$namespace_base
+ fi
else
OF_DEVPATH[$ctr]=${LOGICAL_NAMES[$ctr]}
fi