[03/10] qla2xxx: Remove dead code (GNN ID)

From: Quinn Tran <qutran@marvell.com>

Remove stale/unused code (GNN ID).

Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
---
 drivers/scsi/qla2xxx/qla_def.h  |   3 -
 drivers/scsi/qla2xxx/qla_gbl.h  |   3 -
 drivers/scsi/qla2xxx/qla_gs.c   | 110 --------------------------------
 drivers/scsi/qla2xxx/qla_init.c |   7 +-
 drivers/scsi/qla2xxx/qla_os.c   |   3 -
 5 files changed, 1 insertion(+), 125 deletions(-)

> On Dec 21, 2022, at 8:39 PM, Nilesh Javali <njavali@marvell.com> wrote:
> 
> From: Quinn Tran <qutran@marvell.com>
> 
> Remove stale/unused code (GNN ID).
> 
> Cc: stable@vger.kernel.org
> Signed-off-by: Quinn Tran <qutran@marvell.com>
> Signed-off-by: Nilesh Javali <njavali@marvell.com>
> ---
> drivers/scsi/qla2xxx/qla_def.h  |   3 -
> drivers/scsi/qla2xxx/qla_gbl.h  |   3 -
> drivers/scsi/qla2xxx/qla_gs.c   | 110 --------------------------------
> drivers/scsi/qla2xxx/qla_init.c |   7 +-
> drivers/scsi/qla2xxx/qla_os.c   |   3 -
> 5 files changed, 1 insertion(+), 125 deletions(-)
> 
> diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
> index 9ee9ce613c75..2ed04f71cfc5 100644
> --- a/drivers/scsi/qla2xxx/qla_def.h
> +++ b/drivers/scsi/qla2xxx/qla_def.h
> @@ -2485,7 +2485,6 @@ struct ct_sns_desc {
> 
> enum discovery_state {
> 	DSC_DELETED,
> -	DSC_GNN_ID,
> 	DSC_GNL,
> 	DSC_LOGIN_PEND,
> 	DSC_LOGIN_FAILED,
> @@ -2699,7 +2698,6 @@ extern const char *const port_state_str[5];
> 
> static const char *const port_dstate_str[] = {
> 	[DSC_DELETED]		= "DELETED",
> -	[DSC_GNN_ID]		= "GNN_ID",
> 	[DSC_GNL]		= "GNL",
> 	[DSC_LOGIN_PEND]	= "LOGIN_PEND",
> 	[DSC_LOGIN_FAILED]	= "LOGIN_FAILED",
> @@ -3492,7 +3490,6 @@ enum qla_work_type {
> 	QLA_EVT_GPNFT,
> 	QLA_EVT_GPNFT_DONE,
> 	QLA_EVT_GNNFT_DONE,
> -	QLA_EVT_GNNID,
> 	QLA_EVT_GFPNID,
> 	QLA_EVT_SP_RETRY,
> 	QLA_EVT_IIDMA,
> diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
> index 2acddc8dc943..08ea8dc6c6bb 100644
> --- a/drivers/scsi/qla2xxx/qla_gbl.h
> +++ b/drivers/scsi/qla2xxx/qla_gbl.h
> @@ -730,9 +730,6 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport, bool);
> int qla24xx_async_gpnft(scsi_qla_host_t *, u8, srb_t *);
> void qla24xx_async_gpnft_done(scsi_qla_host_t *, srb_t *);
> void qla24xx_async_gnnft_done(scsi_qla_host_t *, srb_t *);
> -int qla24xx_async_gnnid(scsi_qla_host_t *, fc_port_t *);
> -void qla24xx_handle_gnnid_event(scsi_qla_host_t *, struct event_arg *);
> -int qla24xx_post_gnnid_work(struct scsi_qla_host *, fc_port_t *);
> int qla24xx_post_gfpnid_work(struct scsi_qla_host *, fc_port_t *);
> int qla24xx_async_gfpnid(scsi_qla_host_t *, fc_port_t *);
> void qla24xx_handle_gfpnid_event(scsi_qla_host_t *, struct event_arg *);
> diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
> index fe1eb06db654..4738f8935f7f 100644
> --- a/drivers/scsi/qla2xxx/qla_gs.c
> +++ b/drivers/scsi/qla2xxx/qla_gs.c
> @@ -3893,116 +3893,6 @@ void qla_scan_work_fn(struct work_struct *work)
> 	spin_unlock_irqrestore(&vha->work_lock, flags);
> }
> 
> -/* GNN_ID */
> -void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
> -{
> -	qla24xx_post_gnl_work(vha, ea->fcport);
> -}
> -
> -static void qla2x00_async_gnnid_sp_done(srb_t *sp, int res)
> -{
> -	struct scsi_qla_host *vha = sp->vha;
> -	fc_port_t *fcport = sp->fcport;
> -	u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name;
> -	struct event_arg ea;
> -	u64 wwnn;
> -
> -	fcport->flags &= ~FCF_ASYNC_SENT;
> -	wwnn = wwn_to_u64(node_name);
> -	if (wwnn)
> -		memcpy(fcport->node_name, node_name, WWN_SIZE);
> -
> -	memset(&ea, 0, sizeof(ea));
> -	ea.fcport = fcport;
> -	ea.sp = sp;
> -	ea.rc = res;
> -
> -	ql_dbg(ql_dbg_disc, vha, 0x204f,
> -	    "Async done-%s res %x, WWPN %8phC %8phC\n",
> -	    sp->name, res, fcport->port_name, fcport->node_name);
> -
> -	qla24xx_handle_gnnid_event(vha, &ea);
> -
> -	/* ref: INIT */
> -	kref_put(&sp->cmd_kref, qla2x00_sp_release);
> -}
> -
> -int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport)
> -{
> -	int rval = QLA_FUNCTION_FAILED;
> -	struct ct_sns_req       *ct_req;
> -	srb_t *sp;
> -
> -	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
> -		return rval;
> -
> -	qla2x00_set_fcport_disc_state(fcport, DSC_GNN_ID);
> -	/* ref: INIT */
> -	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
> -	if (!sp)
> -		goto done;
> -
> -	fcport->flags |= FCF_ASYNC_SENT;
> -	sp->type = SRB_CT_PTHRU_CMD;
> -	sp->name = "gnnid";
> -	sp->gen1 = fcport->rscn_gen;
> -	sp->gen2 = fcport->login_gen;
> -	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
> -			      qla2x00_async_gnnid_sp_done);
> -
> -	/* CT_IU preamble  */
> -	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD,
> -	    GNN_ID_RSP_SIZE);
> -
> -	/* GNN_ID req */
> -	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
> -
> -
> -	/* req & rsp use the same buffer */
> -	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
> -	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
> -	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
> -	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
> -	sp->u.iocb_cmd.u.ctarg.req_size = GNN_ID_REQ_SIZE;
> -	sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE;
> -	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
> -
> -	ql_dbg(ql_dbg_disc, vha, 0xffff,
> -	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
> -	    sp->name, fcport->port_name,
> -	    sp->handle, fcport->loop_id, fcport->d_id.b24);
> -
> -	rval = qla2x00_start_sp(sp);
> -	if (rval != QLA_SUCCESS)
> -		goto done_free_sp;
> -	return rval;
> -
> -done_free_sp:
> -	/* ref: INIT */
> -	kref_put(&sp->cmd_kref, qla2x00_sp_release);
> -	fcport->flags &= ~FCF_ASYNC_SENT;
> -done:
> -	return rval;
> -}
> -
> -int qla24xx_post_gnnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
> -{
> -	struct qla_work_evt *e;
> -	int ls;
> -
> -	ls = atomic_read(&vha->loop_state);
> -	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
> -		test_bit(UNLOADING, &vha->dpc_flags))
> -		return 0;
> -
> -	e = qla2x00_alloc_work(vha, QLA_EVT_GNNID);
> -	if (!e)
> -		return QLA_FUNCTION_FAILED;
> -
> -	e->u.fcport.fcport = fcport;
> -	return qla2x00_post_work(vha, e);
> -}
> -
> /* GPFN_ID */
> void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
> {
> diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
> index c66a0106a7fc..a23cb2e5ab58 100644
> --- a/drivers/scsi/qla2xxx/qla_init.c
> +++ b/drivers/scsi/qla2xxx/qla_init.c
> @@ -1718,12 +1718,7 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
> 			}
> 			break;
> 		default:
> -			if (wwn == 0)    {
> -				ql_dbg(ql_dbg_disc, vha, 0xffff,
> -				    "%s %d %8phC post GNNID\n",
> -				    __func__, __LINE__, fcport->port_name);
> -				qla24xx_post_gnnid_work(vha, fcport);
> -			} else if (fcport->loop_id == FC_NO_LOOP_ID) {
> +			if (fcport->loop_id == FC_NO_LOOP_ID) {
> 				ql_dbg(ql_dbg_disc, vha, 0x20bd,
> 				    "%s %d %8phC post gnl\n",
> 				    __func__, __LINE__, fcport->port_name);
> diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
> index bbbdf2ffb682..c0ac6bfeeafe 100644
> --- a/drivers/scsi/qla2xxx/qla_os.c
> +++ b/drivers/scsi/qla2xxx/qla_os.c
> @@ -5502,9 +5502,6 @@ qla2x00_do_work(struct scsi_qla_host *vha)
> 		case QLA_EVT_GNNFT_DONE:
> 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
> 			break;
> -		case QLA_EVT_GNNID:
> -			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
> -			break;
> 		case QLA_EVT_GFPNID:
> 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
> 			break;
> -- 
> 2.19.0.rc0
> 

Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>