70-ec2-nvme-devices.rules

# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the MIT License. See the LICENSE accompanying this file
# for the specific language governing permissions and limitations under
# the License.

ACTION=="remove", GOTO="ec2_nvme_devices_end"

#nvme-ns-* devices
KERNEL=="nvme[0-9]*n[0-9]*", ENV{DEVTYPE}=="disk", ATTRS{serial}=="?*", ATTRS{model}=="?*", SYMLINK+="disk/by-id/nvme-$attr{model}_$attr{serial}-ns-%n", OPTIONS+="string_escape=replace"

#nvme partitions
KERNEL=="nvme[0-9]*n[0-9]*p[0-9]*", ENV{DEVTYPE}=="partition", ATTRS{serial}=="?*", ATTRS{model}=="?*",  IMPORT{program}="/usr/sbin/ec2nvme-nsid %k"
KERNEL=="nvme[0-9]*n[0-9]*p[0-9]*", ENV{DEVTYPE}=="partition", ATTRS{serial}=="?*", ATTRS{model}=="?*",  ENV{_NS_ID}=="?*", SYMLINK+="disk/by-id/nvme-$attr{model}_$attr{serial}-ns-$env{_NS_ID}-part%n", OPTIONS+="string_escape=replace"

# Import variables for EBS volumes
KERNEL=="nvme[0-9]*n[0-9]*",        ENV{DEVTYPE}=="disk",      ATTRS{model}=="Amazon Elastic Block Store", IMPORT{program}+="/usr/sbin/ebsnvme-id -U %k"
KERNEL=="nvme[0-9]*n[0-9]*p[0-9]*", ENV{DEVTYPE}=="partition", ATTRS{model}=="Amazon Elastic Block Store", IMPORT{program}+="/usr/sbin/ebsnvme-id -U %k"

# Assign symlinks
KERNEL=="nvme[0-9]*n[0-9]*",        ENV{DEVTYPE}=="disk",      ATTRS{model}=="Amazon Elastic Block Store", ENV{_EC2_BLOCK_DEVICE_MAPPING}=="?*", SYMLINK+="$env{_EC2_BLOCK_DEVICE_MAPPING}"
KERNEL=="nvme[0-9]*n[0-9]*",        ENV{DEVTYPE}=="disk",      ATTRS{model}=="Amazon Elastic Block Store", ENV{_EBS_VOLUME_ID}=="?*",            SYMLINK+="disk/by-id/ebs-$env{_EBS_VOLUME_ID}"
KERNEL=="nvme[0-9]*n[0-9]*p[0-9]*", ENV{DEVTYPE}=="partition", ATTRS{model}=="Amazon Elastic Block Store", ENV{_EC2_BLOCK_DEVICE_MAPPING}=="?*", SYMLINK+="$env{_EC2_BLOCK_DEVICE_MAPPING}$env{ID_PART_ENTRY_NUMBER}"
KERNEL=="nvme[0-9]*n[0-9]*p[0-9]*", ENV{DEVTYPE}=="partition", ATTRS{model}=="Amazon Elastic Block Store", ENV{_EBS_VOLUME_ID}=="?*",            SYMLINK+="disk/by-id/ebs-$env{_EBS_VOLUME_ID}-part$env{ID_PART_ENTRY_NUMBER}"

# Do not timeout I/O operations on EBS volumes.
KERNEL=="nvme[0-9]*n[0-9]*", ENV{DEVTYPE}=="disk", ATTRS{model}=="Amazon Elastic Block Store", ATTR{queue/io_timeout}="4294967295"

# instance store nvme devices
KERNEL=="nvme[0-9]*n[0-9]*",        ENV{DEVTYPE}=="disk",      ATTRS{model}=="Amazon EC2 NVMe Instance Storage", ATTR{queue/io_timeout}="90000"

LABEL="ec2_nvme_devices_end"