nvmet-rdma: add a NVMe over Fabrics RDMA target driver

This patch implements the RDMA transport for the NVMe over Fabrics target, which allows exporting NVMe over Fabrics functionality over RDMA fabrics (Infiniband, RoCE, iWARP). All NVMe logic is in the generic target and this module just provides a small glue between it and the generic code in the RDMA subsystem. Signed-off-by: Armen Baloyan <[email protected]>, Signed-off-by: Jay Freyensee <[email protected]> Signed-off-by: Ming Lin <[email protected]> Signed-off-by: Sagi Grimberg <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Steve Wise <[email protected]> Tested-by: Steve Wise <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
ambv · Jul 8, 2016 · 8f000ca · 8f000ca
1 parent 931a6de
commit 8f000ca
Show file tree

Hide file tree

Showing 3 changed files with 1,460 additions and 0 deletions.
diff --git a/drivers/nvme/target/Kconfig b/drivers/nvme/target/Kconfig
@@ -25,3 +25,13 @@ config NVME_TARGET_LOOP
 	  to test NVMe host and target side features.
 
 	  If unsure, say N.
+
+config NVME_TARGET_RDMA
+	tristate "NVMe over Fabrics RDMA target support"
+	depends on INFINIBAND
+	select NVME_TARGET
+	help
+	  This enables the NVMe RDMA target support, which allows exporting NVMe
+	  devices over RDMA.
+
+	  If unsure, say N.
diff --git a/drivers/nvme/target/Makefile b/drivers/nvme/target/Makefile
@@ -1,7 +1,9 @@
 
 obj-$(CONFIG_NVME_TARGET)		+= nvmet.o
 obj-$(CONFIG_NVME_TARGET_LOOP)		+= nvme-loop.o
+obj-$(CONFIG_NVME_TARGET_RDMA)		+= nvmet-rdma.o
 
 nvmet-y		+= core.o configfs.o admin-cmd.o io-cmd.o fabrics-cmd.o \
 			discovery.o
 nvme-loop-y	+= loop.o
+nvmet-rdma-y	+= rdma.o