36 lines
1.1 KiB
Bash
36 lines
1.1 KiB
Bash
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# Common utility functions to be sourced by the libftl test scripts
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function get_chunk_size() {
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echo $($rootdir/examples/nvme/identify/identify -r "trtype:PCIe traddr:$1" | \
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grep 'Logical blks per chunk' | sed 's/[^0-9]//g')
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}
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function has_separate_md() {
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local md_type=$($rootdir/examples/nvme/identify/identify -r "trtype:PCIe traddr:$1" | \
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grep 'Metadata Transferred' | cut -d: -f2)
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if [[ "$md_type" =~ Separate ]]; then
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return 0
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else
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return 1
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fi
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}
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function create_nv_cache_bdev() {
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local name=$1
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local ocssd_bdf=$2
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local cache_bdf=$3
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local num_punits=$4
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local bytes_to_mb=$[1024 * 1024]
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local chunk_size=$(get_chunk_size $ocssd_bdf)
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# We need at least 2 bands worth of data + 1 block
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local size=$[2 * 4096 * $chunk_size * $num_punits + 1]
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# Round the size up to the nearest megabyte
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local size=$[($size + $bytes_to_mb) / $bytes_to_mb]
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# Create NVMe bdev on specified device and split it so that it has the desired size
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local nvc_bdev=$($rootdir/scripts/rpc.py construct_nvme_bdev -b $name -t PCIe -a $cache_bdf)
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$rootdir/scripts/rpc.py construct_split_vbdev $nvc_bdev -s $size 1
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}
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