[SCSI] bfa: add dynamic queue selection
Add new bfa functionality to support dynamic queue selection (IO redirection).
IO redirection can only be enabled when QoS is disabled.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
index 12849e9..8c703d8 100644
--- a/drivers/scsi/bfa/bfa_fcpim.c
+++ b/drivers/scsi/bfa/bfa_fcpim.c
@@ -167,4 +167,28 @@
return fcpim->q_depth;
}
+void
+bfa_fcpim_update_ioredirect(struct bfa_s *bfa)
+{
+ bfa_boolean_t ioredirect;
+ /*
+ * IO redirection is turned off when QoS is enabled and vice versa
+ */
+ ioredirect = bfa_fcport_is_qos_enabled(bfa) ? BFA_FALSE : BFA_TRUE;
+
+ /*
+ * Notify the bfad module of a possible state change in
+ * IO redirection capability, due to a QoS state change. bfad will
+ * check on the support for io redirection and update the
+ * fcpim's ioredirect state accordingly.
+ */
+ bfa_cb_ioredirect_state_change((void *)(bfa->bfad), ioredirect);
+}
+
+void
+bfa_fcpim_set_ioredirect(struct bfa_s *bfa, bfa_boolean_t state)
+{
+ struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
+ fcpim->ioredirect = state;
+}