1 files changed, 291 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/lport_api.c b/drivers/scsi/bfa/lport_api.c
new file mode 100644
index 000000000000..8f51a83f1834
--- /dev/null
+++ b/drivers/scsi/bfa/lport_api.c
@@ -0,0 +1,291 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+/**
+ *  port_api.c BFA FCS port
+ */
+
+#include <fcs/bfa_fcs.h>
+#include <fcs/bfa_fcs_lport.h>
+#include <fcs/bfa_fcs_rport.h>
+#include "fcs_rport.h"
+#include "fcs_fabric.h"
+#include "fcs_trcmod.h"
+#include "fcs_vport.h"
+
+BFA_TRC_FILE(FCS, PORT_API);
+
+
+
+/**
+ *  fcs_port_api BFA FCS port API
+ */
+
+void
+bfa_fcs_cfg_base_port(struct bfa_fcs_s *fcs, struct bfa_port_cfg_s *port_cfg)
+{
+}
+
+struct bfa_fcs_port_s *
+bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
+{
+        return (&fcs->fabric.bport);
+}
+
+wwn_t
+bfa_fcs_port_get_rport(struct bfa_fcs_port_s *port, wwn_t wwn, int index,
+                       int nrports, bfa_boolean_t bwwn)
+{
+        struct list_head *qh, *qe;
+        struct bfa_fcs_rport_s *rport = NULL;
+        int             i;
+        struct bfa_fcs_s *fcs;
+
+        if (port == NULL || nrports == 0)
+                return (wwn_t) 0;
+
+        fcs = port->fcs;
+        bfa_trc(fcs, (u32) nrports);
+
+        i = 0;
+        qh = &port->rport_q;
+        qe = bfa_q_first(qh);
+
+        while ((qe != qh) && (i < nrports)) {
+                rport = (struct bfa_fcs_rport_s *)qe;
+                if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
+                        qe = bfa_q_next(qe);
+                        bfa_trc(fcs, (u32) rport->pwwn);
+                        bfa_trc(fcs, rport->pid);
+                        bfa_trc(fcs, i);
+                        continue;
+                }
+
+                if (bwwn) {
+                        if (!memcmp(&wwn, &rport->pwwn, 8))
+                                break;
+                } else {
+                        if (i == index)
+                                break;
+                }
+
+                i++;
+                qe = bfa_q_next(qe);
+        }
+
+        bfa_trc(fcs, i);
+        if (rport) {
+                return rport->pwwn;
+        } else {
+                return (wwn_t) 0;
+        }
+}
+
+void
+bfa_fcs_port_get_rports(struct bfa_fcs_port_s *port, wwn_t rport_wwns[],
+                        int *nrports)
+{
+        struct list_head *qh, *qe;
+        struct bfa_fcs_rport_s *rport = NULL;
+        int             i;
+        struct bfa_fcs_s *fcs;
+
+        if (port == NULL || rport_wwns == NULL || *nrports == 0)
+                return;
+
+        fcs = port->fcs;
+        bfa_trc(fcs, (u32) *nrports);
+
+        i = 0;
+        qh = &port->rport_q;
+        qe = bfa_q_first(qh);
+
+        while ((qe != qh) && (i < *nrports)) {
+                rport = (struct bfa_fcs_rport_s *)qe;
+                if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
+                        qe = bfa_q_next(qe);
+                        bfa_trc(fcs, (u32) rport->pwwn);
+                        bfa_trc(fcs, rport->pid);
+                        bfa_trc(fcs, i);
+                        continue;
+                }
+
+                rport_wwns[i] = rport->pwwn;
+
+                i++;
+                qe = bfa_q_next(qe);
+        }
+
+        bfa_trc(fcs, i);
+        *nrports = i;
+        return;
+}
+
+/*
+ * Iterate's through all the rport's in the given port to
+ * determine the maximum operating speed.
+ */
+enum bfa_pport_speed
+bfa_fcs_port_get_rport_max_speed(struct bfa_fcs_port_s *port)
+{
+        struct list_head *qh, *qe;
+        struct bfa_fcs_rport_s *rport = NULL;
+        struct bfa_fcs_s *fcs;
+        enum bfa_pport_speed max_speed = 0;
+        struct bfa_pport_attr_s pport_attr;
+        enum bfa_pport_speed pport_speed;
+
+        if (port == NULL)
+                return 0;
+
+        fcs = port->fcs;
+
+        /*
+         * Get Physical port's current speed
+         */
+        bfa_pport_get_attr(port->fcs->bfa, &pport_attr);
+        pport_speed = pport_attr.speed;
+        bfa_trc(fcs, pport_speed);
+
+        qh = &port->rport_q;
+        qe = bfa_q_first(qh);
+
+        while (qe != qh) {
+                rport = (struct bfa_fcs_rport_s *)qe;
+                if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000)
+                    || (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE)) {
+                        qe = bfa_q_next(qe);
+                        continue;
+                }
+
+                if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_8GBPS)
+                    || (rport->rpf.rpsc_speed > pport_speed)) {
+                        max_speed = rport->rpf.rpsc_speed;
+                        break;
+                } else if (rport->rpf.rpsc_speed > max_speed) {
+                        max_speed = rport->rpf.rpsc_speed;
+                }
+
+                qe = bfa_q_next(qe);
+        }
+
+        bfa_trc(fcs, max_speed);
+        return max_speed;
+}
+
+struct bfa_fcs_port_s *
+bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
+{
+        struct bfa_fcs_vport_s *vport;
+        bfa_fcs_vf_t   *vf;
+
+        bfa_assert(fcs != NULL);
+
+        vf = bfa_fcs_vf_lookup(fcs, vf_id);
+        if (vf == NULL) {
+                bfa_trc(fcs, vf_id);
+                return (NULL);
+        }
+
+        if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
+                return (&vf->bport);
+
+        vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
+        if (vport)
+                return (&vport->lport);
+
+        return (NULL);
+}
+
+/*
+ *  API corresponding to VmWare's NPIV_VPORT_GETINFO.
+ */
+void
+bfa_fcs_port_get_info(struct bfa_fcs_port_s *port,
+                      struct bfa_port_info_s *port_info)
+{
+
+        bfa_trc(port->fcs, port->fabric->fabric_name);
+
+        if (port->vport == NULL) {
+                /*
+                 * This is a Physical port
+                 */
+                port_info->port_type = BFA_PORT_TYPE_PHYSICAL;
+
+                /*
+                 * @todo : need to fix the state & reason
+                 */
+                port_info->port_state = 0;
+                port_info->offline_reason = 0;
+
+                port_info->port_wwn = bfa_fcs_port_get_pwwn(port);
+                port_info->node_wwn = bfa_fcs_port_get_nwwn(port);
+
+                port_info->max_vports_supp = bfa_fcs_vport_get_max(port->fcs);
+                port_info->num_vports_inuse =
+                        bfa_fcs_fabric_vport_count(port->fabric);
+                port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
+                port_info->num_rports_inuse = port->num_rports;
+        } else {
+                /*
+                 * This is a virtual port
+                 */
+                port_info->port_type = BFA_PORT_TYPE_VIRTUAL;
+
+                /*
+                 * @todo : need to fix the state & reason
+                 */
+                port_info->port_state = 0;
+                port_info->offline_reason = 0;
+
+                port_info->port_wwn = bfa_fcs_port_get_pwwn(port);
+                port_info->node_wwn = bfa_fcs_port_get_nwwn(port);
+        }
+}
+
+void
+bfa_fcs_port_get_stats(struct bfa_fcs_port_s *fcs_port,
+                       struct bfa_port_stats_s *port_stats)
+{
+        bfa_os_memcpy(port_stats, &fcs_port->stats,
+                      sizeof(struct bfa_port_stats_s));
+        return;
+}
+
+void
+bfa_fcs_port_clear_stats(struct bfa_fcs_port_s *fcs_port)
+{
+        bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_port_stats_s));
+        return;
+}
+
+void
+bfa_fcs_port_enable_ipfc_roles(struct bfa_fcs_port_s *fcs_port)
+{
+        fcs_port->port_cfg.roles |= BFA_PORT_ROLE_FCP_IPFC;
+        return;
+}
+
+void
+bfa_fcs_port_disable_ipfc_roles(struct bfa_fcs_port_s *fcs_port)
+{
+        fcs_port->port_cfg.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
+        return;
+}
+
+