Commit 258b7fbf authored by Michal Berger's avatar Michal Berger Committed by Konrad Sztyber
Browse files

test/nvme: Add helper functions to detect FDP-capable nvme 



Change-Id: I817ffbfcb3bca154cad86ca70465a923610cbabb
Signed-off-by: default avatarMichal Berger <michal.berger@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17772


Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <smatsumoto@nvidia.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 29ba5b1b

test/nvme/cuse/common.sh

+34 −0
Original line number Diff line number Diff line
@@ -161,3 +161,37 @@ get_nvme_with_ns_management() { 
	fi

	return 1

}



get_ctratt() {

	local ctrl=$1

	get_nvme_ctrl_feature "$ctrl" ctratt

}



ctrl_has_fdp() {

	local ctrl=$1 ctratt



	ctratt=$(get_ctratt "$ctrl")

	# See include/spdk/nvme_spec.h

	((ctratt & 1 << 19))

}



get_ctrls_with_fdp() {

	((${#ctrls[@]} == 0)) && scan_nvme_ctrls



	local ctrl

	for ctrl in "${!ctrls[@]}"; do

		ctrl_has_fdp "$ctrl" && echo "$ctrl"

	done



}



get_ctrl_with_fdp() {

	local _ctrls



	_ctrls=($(get_ctrls_with_fdp))

	if ((${#_ctrls[@]} > 0)); then

		echo "${_ctrls[0]}"

		return 0

	fi

	return 1

}