[PATCH v7 7/7] nvme: support rdma transport type

[Yi Zhang]

On 9/4/20 7:53 AM, Sagi Grimberg wrote:
> Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
> ---
>   tests/nvme/rc | 20 ++++++++++++++++++++
>   1 file changed, 20 insertions(+)
>
> diff --git a/tests/nvme/rc b/tests/nvme/rc
> index 8df00e7d15d0..4c5b2e8edf0d 100644
> --- a/tests/nvme/rc
> +++ b/tests/nvme/rc
> @@ -5,6 +5,7 @@
>   # Test specific to NVMe devices
>   
>   . common/rc
> +. common/multipath-over-rdma
>   
>   def_traddr="127.0.0.1"
>   def_adrfam="ipv4"
> @@ -25,6 +26,12 @@ _nvme_requires() {
>   		_have_modules nvmet nvme-core nvme-tcp nvmet-tcp
>   		_have_configfs
>   		;;
> +	rdma)
> +		_have_modules nvmet nvme-core nvme-rdma nvmet-rdma
> +		_have_configfs
> +		_have_program rdma
> +		_have_modules rdma_rxe || _have_modules siw
> +		;;
>   	*)
>   		SKIP_REASON="unsupported nvme_trtype=${nvme_trtype}"
>   		return 1
> @@ -115,6 +122,9 @@ _cleanup_nvmet() {
>   		modprobe -r nvmet-"${nvme_trtype}" 2>/dev/null
>   	fi
>   	modprobe -r nvmet 2>/dev/null
> +	if [[ "${nvme_trtype}" == "rdma" ]]; then
> +		stop_soft_rdma
> +	fi
>   }
>   
>   _setup_nvmet() {
> @@ -124,6 +134,16 @@ _setup_nvmet() {
>   		modprobe nvmet-"${nvme_trtype}"
>   	fi
>   	modprobe nvme-"${nvme_trtype}"
> +	if [[ "${nvme_trtype}" == "rdma" ]]; then
> +		start_soft_rdma
> +		for i in $(rdma_network_interfaces)
> +		do
> +			ipv4_addr=$(get_ipv4_addr "$i")
> +			if [ -n "${ipv4_addr}" ]; then
> +				def_traddr=${ipv4_addr}
Do we need add break here if ipv4_addr has value?

> +			fi
> +		done
> +	fi
>   }
>   
>   _nvme_disconnect_ctrl() {