[SCSI] lpfc 8.3.19: Added support for ELS RRQ command

Added support for ELS RRQ command

- Add new routine lpfc_set_rrq_active() to track XRI qualifier state.
- Add new module parameter lpfc_enable_rrq to control RRQ operation.
- Add logic to ELS RRQ completion handler and xri qualifier timeout
  to clear XRI qualifier state.
- Use OX_ID from XRI_ABORTED_CQE for RRQ payload.
- Tie abort and XRI_ABORTED_CQE andler to RRQ generation.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index a253216e1f18..96ed3ba6ba95 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -880,6 +880,24 @@ struct  RLS_RSP {		/* Structure is in Big Endian format */
         uint32_t crcCnt;
 };
 
+struct RRQ {                    /* Structure is in Big Endian format */
+        uint32_t rrq;
+#define rrq_rsvd_SHIFT          24
+#define rrq_rsvd_MASK           0x000000ff
+#define rrq_rsvd_WORD           rrq
+#define rrq_did_SHIFT           0
+#define rrq_did_MASK            0x00ffffff
+#define rrq_did_WORD            rrq
+        uint32_t rrq_exchg;
+#define rrq_oxid_SHIFT          16
+#define rrq_oxid_MASK           0xffff
+#define rrq_oxid_WORD           rrq_exchg
+#define rrq_rxid_SHIFT          0
+#define rrq_rxid_MASK           0xffff
+#define rrq_rxid_WORD           rrq_exchg
+};
+
+
 struct RTV_RSP {                /* Structure is in Big Endian format */
         uint32_t ratov;
         uint32_t edtov;