scsi: qla2xxx: Add debug dump of LOGO payload and ELS IOCB

The change adds a way to debug LOGO ELS, likewise PLOGI.

Link: https://lore.kernel.org/r/20191125165702.1013-14-r.bolshakov@yadro.com
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Acked-by: Quinn Tran <qutran@marvell.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Tested-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 53ccbd6b71ede462520d8342ea59a3989e0d893b..8b050f0b43330543f365a4f8e83eb2ae67342813 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2625,6 +2625,10 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
 
        memcpy(elsio->u.els_logo.els_logo_pyld, &logo_pyld,
            sizeof(struct els_logo_payload));
+       ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x3075, "LOGO buffer:");
+       ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x010a,
+                      elsio->u.els_logo.els_logo_pyld,
+                      sizeof(*elsio->u.els_logo.els_logo_pyld));
 
        rval = qla2x00_start_sp(sp);
        if (rval != QLA_SUCCESS) {
@@ -2697,6 +2701,11 @@ qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
                els_iocb->rx_byte_count = 0;
                els_iocb->rx_address = 0;
                els_iocb->rx_len = 0;
+               ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3076,
+                      "LOGO ELS IOCB:");
+               ql_dump_buffer(ql_log_info, vha, 0x010b,
+                              els_iocb,
+                              sizeof(*els_iocb));
        }
 
        sp->vha->qla_stats.control_requests++;