[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>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/scsi/bfa/bfa_fcpim_priv.h b/drivers/scsi/bfa/bfa_fcpim_priv.h
index 3db39da72427..762516cb5cb2 100644
--- a/drivers/scsi/bfa/bfa_fcpim_priv.h
+++ b/drivers/scsi/bfa/bfa_fcpim_priv.h
@@ -49,7 +49,8 @@ struct bfa_fcpim_mod_s {
         int                     num_tskim_reqs;
         u32             path_tov;
         u16             q_depth;
-        u16             rsvd;
+        u8              reqq;           /* Request queue to be used */
+        u8              rsvd;
         struct list_head        itnim_q;        /*  queue of active itnim    */
         struct list_head        ioim_free_q;    /*  free IO resources        */
         struct list_head        ioim_resfree_q; /*  IOs waiting for f/w      */
@@ -58,6 +59,7 @@ struct bfa_fcpim_mod_s {
         u32     ios_active;     /*  current active IOs        */
         u32     delay_comp;
         struct bfa_fcpim_stats_s stats;
+        bfa_boolean_t           ioredirect;
 };
 
 struct bfa_ioim_s;
@@ -82,6 +84,7 @@ struct bfa_ioim_s {
         struct bfa_cb_qe_s hcb_qe;      /*  bfa callback qelem       */
         bfa_cb_cbfn_t io_cbfn;          /*  IO completion handler    */
         struct bfa_ioim_sp_s *iosp;     /*  slow-path IO handling    */
+        u8 reqq;                        /* Request queue for I/O    */
 };
 
 struct bfa_ioim_sp_s {