[SCSI] fc_transport: add target driver support

This adds minimum target driver support like the srp transport does:

- fc_remote_port_{rolechg,delete} calls
scsi_tgt_it_nexus_{create,destroy} for target drivers.

- add callbacks to notify target drivers of the nexus and tmf
operation results to fc_function_template.

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

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 7877dfdd2322..e1efa0eac4ff 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -272,6 +272,13 @@ config SCSI_FC_ATTRS
           each attached FiberChannel device to sysfs, say Y.
           Otherwise, say N.
 
+config SCSI_FC_TGT_ATTRS
+        bool "SCSI target support for FiberChannel Transport Attributes"
+        depends on SCSI_FC_ATTRS
+        depends on SCSI_TGT = y || SCSI_TGT = SCSI_FC_ATTRS
+        help
+                If you want to use SCSI target mode drivers enable this option.
+
 config SCSI_ISCSI_ATTRS
         tristate "iSCSI Transport Attributes"
         depends on SCSI && NET