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Commit c5343203 authored by James Smart's avatar James Smart Committed by Sagi Grimberg
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nvme-fabrics: Add target support for FC transport 



Implements the FC-NVME T11 definition of how nvme fabric capsules are
performed on an FC fabric. Utilizes a lower-layer API to FC host adapters
to send/receive FC-4 LS operations and perform the FCP transactions
necessary to perform and FCP IO request for NVME.

The T11 definitions for FC-4 Link Services are implemented which create
NVMeOF connections.  Implements the hooks with nvmet layer to pass NVME
commands to it for processing and posting of data/response base to the
host via the different connections.

Signed-off-by: default avatarJames Smart <james.smart@broadcom.com>
Reviewed-by: default avatarJay Freyensee <james_p_freyensee@linux.intel.com>
Reviewed-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent e399441d

MAINTAINERS

+1 −0
Original line number Diff line number Diff line
@@ -8666,6 +8666,7 @@ S: Supported 
F:	include/linux/nvme-fc.h

F:	include/linux/nvme-fc-driver.h

F:	drivers/nvme/host/fc.c

F:	drivers/nvme/target/fc.c



NVMEM FRAMEWORK

M:	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

drivers/nvme/target/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -34,3 +34,14 @@ config NVME_TARGET_RDMA 
	  devices over RDMA.



	  If unsure, say N.



config NVME_TARGET_FC

	tristate "NVMe over Fabrics FC target driver"

	depends on NVME_TARGET

	depends on HAS_DMA

	help

	  This enables the NVMe FC target support, which allows exporting NVMe

	  devices over FC.



	  If unsure, say N.

drivers/nvme/target/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -2,8 +2,10 @@ 
obj-$(CONFIG_NVME_TARGET)		+= nvmet.o

obj-$(CONFIG_NVME_TARGET_LOOP)		+= nvme-loop.o

obj-$(CONFIG_NVME_TARGET_RDMA)		+= nvmet-rdma.o

obj-$(CONFIG_NVME_TARGET_FC)		+= nvmet-fc.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

nvmet-fc-y	+= fc.o

drivers/nvme/target/fc.c

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