summaryrefslogtreecommitdiff
path: root/drivers/scsi/bfa/rport_api.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/bfa/rport_api.c')
-rw-r--r--drivers/scsi/bfa/rport_api.c180
1 files changed, 180 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/rport_api.c b/drivers/scsi/bfa/rport_api.c
new file mode 100644
index 0000000..3dae177
--- /dev/null
+++ b/drivers/scsi/bfa/rport_api.c
@@ -0,0 +1,180 @@
+/*
+ * 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.
+ */
+#include <bfa.h>
+#include <bfa_svc.h>
+#include "fcs_vport.h"
+#include "fcs_lport.h"
+#include "fcs_rport.h"
+#include "fcs_trcmod.h"
+
+BFA_TRC_FILE(FCS, RPORT_API);
+
+/**
+ * rport_api.c Remote port implementation.
+ */
+
+/**
+ * fcs_rport_api FCS rport API.
+ */
+
+/**
+ * Direct API to add a target by port wwn. This interface is used, for
+ * example, by bios when target pwwn is known from boot lun configuration.
+ */
+bfa_status_t
+bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn,
+ struct bfa_fcs_rport_s *rport,
+ struct bfad_rport_s *rport_drv)
+{
+ bfa_trc(port->fcs, *pwwn);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * Direct API to remove a target and its associated resources. This
+ * interface is used, for example, by vmware driver to remove target
+ * ports from the target list for a VM.
+ */
+bfa_status_t
+bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in)
+{
+
+ struct bfa_fcs_rport_s *rport;
+
+ bfa_trc(rport_in->fcs, rport_in->pwwn);
+
+ rport = bfa_fcs_port_get_rport_by_pwwn(rport_in->port, rport_in->pwwn);
+ if (rport == NULL) {
+ /*
+ * TBD Error handling
+ */
+ bfa_trc(rport_in->fcs, rport_in->pid);
+ return BFA_STATUS_UNKNOWN_RWWN;
+ }
+
+ /*
+ * TBD if this remote port is online, send a logo
+ */
+ return BFA_STATUS_OK;
+
+}
+
+/**
+ * Remote device status for display/debug.
+ */
+void
+bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
+ struct bfa_rport_attr_s *rport_attr)
+{
+ struct bfa_rport_qos_attr_s qos_attr;
+ struct bfa_fcs_port_s *port = rport->port;
+
+ bfa_os_memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s));
+
+ rport_attr->pid = rport->pid;
+ rport_attr->pwwn = rport->pwwn;
+ rport_attr->nwwn = rport->nwwn;
+ rport_attr->cos_supported = rport->fc_cos;
+ rport_attr->df_sz = rport->maxfrsize;
+ rport_attr->state = bfa_fcs_rport_get_state(rport);
+ rport_attr->fc_cos = rport->fc_cos;
+ rport_attr->cisc = rport->cisc;
+ rport_attr->scsi_function = rport->scsi_function;
+ rport_attr->curr_speed = rport->rpf.rpsc_speed;
+ rport_attr->assigned_speed = rport->rpf.assigned_speed;
+
+ bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr);
+ rport_attr->qos_attr = qos_attr;
+
+ rport_attr->trl_enforced = BFA_FALSE;
+ if (bfa_pport_is_ratelim(port->fcs->bfa)) {
+ if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) ||
+ (rport->rpf.rpsc_speed <
+ bfa_fcs_port_get_rport_max_speed(port)))
+ rport_attr->trl_enforced = BFA_TRUE;
+ }
+
+ /*
+ * TODO
+ * rport->symname
+ */
+}
+
+/**
+ * Per remote device statistics.
+ */
+void
+bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport,
+ struct bfa_rport_stats_s *stats)
+{
+ *stats = rport->stats;
+}
+
+void
+bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport)
+{
+ bfa_os_memset((char *)&rport->stats, 0,
+ sizeof(struct bfa_rport_stats_s));
+}
+
+struct bfa_fcs_rport_s *
+bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn)
+{
+ struct bfa_fcs_rport_s *rport;
+
+ rport = bfa_fcs_port_get_rport_by_pwwn(port, rpwwn);
+ if (rport == NULL) {
+ /*
+ * TBD Error handling
+ */
+ }
+
+ return rport;
+}
+
+struct bfa_fcs_rport_s *
+bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_port_s *port, wwn_t rnwwn)
+{
+ struct bfa_fcs_rport_s *rport;
+
+ rport = bfa_fcs_port_get_rport_by_nwwn(port, rnwwn);
+ if (rport == NULL) {
+ /*
+ * TBD Error handling
+ */
+ }
+
+ return rport;
+}
+
+/*
+ * This API is to set the Rport's speed. Should be used when RPSC is not
+ * supported by the rport.
+ */
+void
+bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport,
+ enum bfa_pport_speed speed)
+{
+ rport->rpf.assigned_speed = speed;
+
+ /* Set this speed in f/w only if the RPSC speed is not available */
+ if (rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN)
+ bfa_rport_speed(rport->bfa_rport, speed);
+}
+
+