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path: root/drivers/scsi/bfa/lport_api.c
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Diffstat (limited to 'drivers/scsi/bfa/lport_api.c')
-rw-r--r--drivers/scsi/bfa/lport_api.c291
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 00000000000..8f51a83f183
--- /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;
+}
+
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-23 22:36:41 +0000