Thread (25 messages) 25 messages, 5 authors, 2020-09-25

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

From: Yi Zhang <hidden>
Date: 2020-09-04 17:00:27
Also in: linux-nvme


On 9/4/20 7:53 AM, Sagi Grimberg wrote:
quoted hunk ↗ jump to hunk
Signed-off-by: Sagi Grimberg <sagi@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() {
  
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