[SCSI] scsi tgt: SCSI RDMA Protocol library functions

libsrp provides helper functions for SRP target drivers.

Some SRP target drivers would be out of drivers/scsi/ so we added an
entry for libsrp in drivers/scsi/Kconfig.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/Kconfig

@@ -1760,6 +1760,16 @@ config ZFCP
           called zfcp. If you want to compile it as a module, say M here
           and read <file:Documentation/modules.txt>.
 
+config SCSI_SRP
+	tristate "SCSI RDMA Protocol helper library"
+	depends on SCSI && PCI
+	select SCSI_TGT
+	help
+	  If you wish to use SRP target drivers, say Y.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called libsrp.
+
 endmenu
 
 source "drivers/scsi/pcmcia/Kconfig"

drivers/scsi/Makefile

@@ -126,6 +126,7 @@ obj-$(CONFIG_SCSI_FCAL)		+= fcal.o
 obj-$(CONFIG_SCSI_LASI700)	+= 53c700.o lasi700.o
 obj-$(CONFIG_SCSI_NSP32)	+= nsp32.o
 obj-$(CONFIG_SCSI_IPR)		+= ipr.o
+obj-$(CONFIG_SCSI_SRP)		+= libsrp.o
 obj-$(CONFIG_SCSI_IBMVSCSI)	+= ibmvscsi/
 obj-$(CONFIG_SCSI_HPTIOP)	+= hptiop.o
 obj-$(CONFIG_SCSI_STEX)		+= stex.o