test/nvme: Add basic test covering cmb_copy functionality
Change-Id: I083ce9560c37b0f0bd39c9dce3cf97e4038b5e31 Signed-off-by: Michal Berger <michalx.berger@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2006 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Michal Berger
Tomasz Zawadzki
parent
5e03beae70
commit
0b55bf715e
@ -218,6 +218,9 @@ if [ $SPDK_RUN_FUNCTIONAL_TEST -eq 1 ]; then
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if [[ $SPDK_TEST_NVME_CUSE -eq 1 ]]; then
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run_test "nvme_cuse" test/nvme/cuse/nvme_cuse.sh
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fi
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if [[ $SPDK_TEST_NVME_CMB -eq 1 ]]; then
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run_test "nvme_cmb" test/nvme/cmb/cmb.sh
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fi
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run_test "nvme_rpc" test/nvme/nvme_rpc.sh
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# Only test hotplug without ASAN enabled. Since if it is
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# enabled, it catches SEGV earlier than our handler which
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109
test/nvme/cmb/cmb.sh
Executable file
109
test/nvme/cmb/cmb.sh
Executable file
@ -0,0 +1,109 @@
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#!/usr/bin/env bash
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testdir=$(readlink -f "$(dirname "$0")")
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rootdir=$(readlink -f "$testdir/../../../")
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source "$rootdir/test/common/autotest_common.sh"
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shopt -s extglob nullglob
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decode_cmb_regs() {
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local cmb=$1
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local cmbs
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local cmbl
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mapfile -t cmb < "$cmb"
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cmb=("${cmb[@]##* }")
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cmbl=0${cmb[0]}
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cmbs=0${cmb[1]}
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local szu szu_unit
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szu[0]=4 szu_unit[0]=KiB
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szu[1]=64 szu_unit[1]=KiB
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szu[2]=1 szu_unit[2]=MiB
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szu[3]=16 szu_unit[3]=MiB
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szu[4]=256 szu_unit[4]=MiB
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szu[5]=4 szu_unit[5]=GiB
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szu[6]=64 szu_unit[6]=GiB
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local bool
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bool[0]="not set"
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bool[1]="set"
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local size size_m
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local ofst bir
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size=$(((cmbs >> 12) & 0x0fffff))
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size_m=$(((cmbs >> 8) & 0xf))
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((size *= szu[size_m]))
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size="$size ${szu_unit[size_m]}"
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ofst=$(printf '0x%x' $(((cmbl >> 12) & 0x0fffff)))
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bir=$(printf '0x%x' $((cmbl & 0x7)))
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cat <<- CMBSZ
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SZ: $size
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SZU: ${szu[size_m]} ${szu_unit[size_m]}
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WDS: ${bool[cmbs & 1 << 4 ? 1 : 0]}
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RDS: ${bool[cmbs & 1 << 3 ? 1 : 0]}
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LISTS: ${bool[cmbs & 1 << 2 ? 1 : 0]}
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CQS: ${bool[cmbs & 1 << 1 ? 1 : 0]}
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SQS: ${bool[cmbs & 1 << 0 ? 1 : 0]}
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CMBSZ
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cat <<- CMBLOC
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OFST: $ofst
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CQDA: ${bool[cmbl & 1 << 8 ? 1 : 0]}
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CDMMMS: ${bool[cmbl & 1 << 7 ? 1 : 0]}
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CDPCILS: ${bool[cmbl & 1 << 6 ? 1 : 0]}
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CDPMLS: ${bool[cmbl & 1 << 5 ? 1 : 0]}
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CQPDS: ${bool[cmbl & 1 << 4 ? 1 : 0]}
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CQMMS: ${bool[cmbl & 1 << 3 ? 1 : 0]}
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BIR: $bir
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CMBLOC
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}
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"$rootdir/scripts/setup.sh" reset
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xtrace_disable
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# Look for all the nvme controllers which support CMB. The easiest, and
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# fastest, way to do it is by checking if the cmb attr under sysfs has
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# been created. If it doesn't exist, than the nvme driver must have
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# read 0 from the CMBSZ register (meaning CMB is either not supported
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# or the CMBMSC.CRE bit was cleared).
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cmb_nvmes=()
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for nvme in /sys/class/nvme/nvme+([0-9]); do
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[[ -e $nvme/cmb ]] || continue
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cmb_nvmes+=("$(< "$nvme/address")")
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printf '* %s (%s:%s:%s:%s) CMB:\n' \
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"${nvme##*/}" \
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"$(< "$nvme/address")" \
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"$(< "$nvme/model")" \
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"$(< "$nvme/serial")" \
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"$(< "$nvme/transport")"
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decode_cmb_regs "$nvme/cmb"
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done
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xtrace_restore
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"$rootdir/scripts/setup.sh"
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# Check if controllers which we found have been taken out from the nvme
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# driver. If yes then we may safely use it for our tests.
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for nvme in "${!cmb_nvmes[@]}"; do
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if [[ -e /sys/bus/pci/drivers/nvme/${cmb_nvmes[nvme]} ]]; then
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printf '%s device still in use, skipping\n' "${cmb_nvmes[nvme]}"
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unset -v "cmb_nvmes[nvme]"
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fi >&2
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done
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if ((${#cmb_nvmes[@]} == 0)); then
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printf 'No suitable nvme devices found, aborting CMB tests\n' >&2
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exit 1
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fi
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run_test "cmb_copy" "$testdir/cmb_copy.sh" "${cmb_nvmes[@]}"
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21
test/nvme/cmb/cmb_copy.sh
Executable file
21
test/nvme/cmb/cmb_copy.sh
Executable file
@ -0,0 +1,21 @@
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#!/usr/bin/env bash
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testdir=$(readlink -f "$(dirname "$0")")
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rootdir=$(readlink -f "$testdir/../../../")
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source "$rootdir/test/common/autotest_common.sh"
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nvmes=("$@") all_nvmes=${#nvmes[@]}
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# We need 2 ctrls at minimum
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((all_nvmes >= 2))
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# Let each ctrl to have its CMB copied to the other device.
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while ((--all_nvmes >= 0)); do
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read_nvme=${nvmes[all_nvmes]}
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for nvme_idx in "${!nvmes[@]}"; do
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[[ ${nvmes[nvme_idx]} == "$read_nvme" ]] && continue
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"$rootdir/build/examples/cmb_copy" \
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-r "$read_nvme-1-0-1" \
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-w "${nvmes[nvme_idx]}-1-0-1" \
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-c "$read_nvme"
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done
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done
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