3badd8b621
Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com> Signed-off-by: Rafal Stefanowski <rafal.stefanowski@huawei.com>
80 lines
2.2 KiB
Bash
80 lines
2.2 KiB
Bash
#!/bin/bash
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#
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# Copyright(c) 2012-2022 Intel Corporation
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# Copyright(c) 2025 Huawei Technologies
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# SPDX-License-Identifier: BSD-3-Clause
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#
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. $(dirname $3)/conf_framework.sh
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check() {
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cur_name=$(basename $2)
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config_file_path=$1
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if compile_module $cur_name "BLK_FEAT_WRITE_CACHE;" "linux/blk-mq.h"
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then
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echo $cur_name "1" >> $config_file_path
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elif compile_module $cur_name "blk_queue_write_cache(NULL, 0, 0);" "linux/blkdev.h"
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then
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echo $cur_name "2" >> $config_file_path
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elif compile_module $cur_name "struct request_queue rq; rq.flush_flags;" "linux/blkdev.h"
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then
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echo $cur_name "3" >> $config_file_path
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else
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echo $cur_name "X" >> $config_file_path
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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_CHECK_QUEUE_FLUSH(q) \\
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(q->limits.features & BLK_FEAT_WRITE_CACHE)"
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add_define "CAS_CHECK_QUEUE_FUA(q) \\
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(q->limits.features & BLK_FEAT_FUA)"
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add_define "CAS_BLK_FEAT_WRITE_CACHE BLK_FEAT_WRITE_CACHE"
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add_define "CAS_BLK_FEAT_FUA BLK_FEAT_FUA"
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add_define "CAS_SET_QUEUE_LIMIT(lim, flag) \\
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({ lim->features |= flag; })"
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add_function "
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static inline void cas_set_queue_flush_fua(struct request_queue *q,
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bool flush, bool fua) {}" ;;
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"2")
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add_define "CAS_CHECK_QUEUE_FLUSH(q) \\
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test_bit(QUEUE_FLAG_WC, &(q)->queue_flags)"
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add_define "CAS_CHECK_QUEUE_FUA(q) \\
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test_bit(QUEUE_FLAG_FUA, &(q)->queue_flags)"
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add_define "CAS_BLK_FEAT_WRITE_CACHE 0"
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add_define "CAS_BLK_FEAT_FUA 0"
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add_define "CAS_SET_QUEUE_LIMIT(lim, flag)"
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add_function "
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static inline void cas_set_queue_flush_fua(struct request_queue *q,
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bool flush, bool fua)
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{
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blk_queue_write_cache(q, flush, fua);
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}" ;;
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"3")
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add_define "CAS_CHECK_QUEUE_FLUSH(q) \\
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CAS_IS_SET_FLUSH((q)->flush_flags)"
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add_define "CAS_CHECK_QUEUE_FUA(q) \\
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((q)->flush_flags & REQ_FUA)"
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add_define "CAS_BLK_FEAT_WRITE_CACHE 0"
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add_define "CAS_BLK_FEAT_FUA 0"
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add_define "CAS_SET_QUEUE_LIMIT(lim, flag)"
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add_function "static inline void cas_set_queue_flush_fua(struct request_queue *q,
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bool flush, bool fua)
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{
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unsigned int flags = 0;
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if (flush)
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flags = CAS_SET_FLUSH(flags);
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if (fua)
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flags |= REQ_FUA;
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if (flags)
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blk_queue_flush(q, flags);
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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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