diff options
Diffstat (limited to 'drivers/scsi/bfa/lport_api.c')
-rw-r--r-- | drivers/scsi/bfa/lport_api.c | 291 |
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; +} + + |