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

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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 <armenx.baloyan@intel.com>,
Signed-off-by: Jay Freyensee <james.p.freyensee@intel.com>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2016-07-06 21:55:51 +09:00 committed by Jens Axboe
parent 931a6de4d7
commit 8f000cac6e
3 changed files with 1460 additions and 0 deletions
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10
drivers/nvme/target/Kconfig
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@ -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.

2
drivers/nvme/target/Makefile
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@ -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

1448
drivers/nvme/target/rdma.c Normal file
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