b983eeb751
This patch adds support for RHEL8.5 with kernel 4.18.0.348.2.1.el8 and later. Additional request queue operations added for these kernels. Configure scripts added/updated. Fixes #1278 Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>
69 lines
1.8 KiB
Bash
69 lines
1.8 KiB
Bash
#!/bin/bash
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#
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# Copyright(c) 2012-2022 Intel Corporation
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# SPDX-License-Identifier: BSD-3-Clause
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#
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. $(dirname $3)/conf_framework
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# RHEL8.5 kernel 4.18 subversion targeted for the workaround is 348.2.1.
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# The workaround is needed starting this version and up.
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LINUX_MAJOR_SINCE=4
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LINUX_MINOR_SINCE=18
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LINUX_SUB_SINCE=0
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RHEL_MAJOR_SINCE=348
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RHEL_MINOR_SINCE=2
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RHEL_SUB_SINCE=1
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check () {
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cur_name=$(basename $2)
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config_file_path=$1
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LINUX_VERSION_CODE=$(get_define $cur_name "LINUX_VERSION_CODE" "generated/uapi/linux/version.h")
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RHEL_RELEASE=$(get_define $cur_name "RHEL_RELEASE" "generated/uapi/linux/version.h")
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LINUX_MAJOR=$((LINUX_VERSION_CODE >> 16 & 0xff))
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LINUX_MINOR=$((LINUX_VERSION_CODE >> 8 & 0xff))
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LINUX_SUB=$((LINUX_VERSION_CODE & 0xff))
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if [ -z $RHEL_RELEASE ]; then
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echo $cur_name "2" >> $config_file_path; #not RHEL, no workaround needed
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else
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#it's RHEL, check versions to see if the workaround is needed
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IFS=. read -a arr <<< $RHEL_RELEASE
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RHEL_MAJOR=${arr[0]}
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RHEL_MINOR=${arr[1]}
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RHEL_SUB=${arr[2]}
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#check kernel and rhel version (major/minor/sub)
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if [ "$LINUX_MAJOR" -eq "$LINUX_MAJOR_SINCE" ] &&
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[ "$LINUX_MINOR" -eq "$LINUX_MINOR_SINCE" ] &&
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[ "$LINUX_SUB" -eq "$LINUX_SUB_SINCE" ] &&
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[ "$RHEL_MAJOR" -ge "$RHEL_MAJOR_SINCE" ] &&
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[ "$RHEL_MINOR" -ge "$RHEL_MINOR_SINCE" ] &&
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[ "$RHEL_SUB" -ge "$RHEL_SUB_SINCE" ]
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then
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echo $cur_name "1" >> $config_file_path; #workaround needed
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else
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echo $cur_name "2" >> $config_file_path; #no workaround needed
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fi
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fi
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}
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apply() {
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case "$1" in
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"1")
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add_define "cas_blk_queue_exit(bvol) \
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percpu_ref_put(&(casdisk_functions.casdsk_exp_obj_get_queue(bvol->dsk)->q_usage_counter) );
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"
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;;
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"2")
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add_define "cas_blk_queue_exit(bvol) (void)bvol;"
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;;
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*)
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exit 1
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esac
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}
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conf_run $@
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