Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. |
| 3 | * All rights reserved |
| 4 | * www.brocade.com |
| 5 | * |
| 6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 10 | * published by the Free Software Foundation |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | */ |
| 17 | #include <bfa.h> |
| 18 | #include <bfa_svc.h> |
| 19 | #include "fcs_vport.h" |
| 20 | #include "fcs_lport.h" |
| 21 | #include "fcs_rport.h" |
| 22 | #include "fcs_trcmod.h" |
| 23 | |
| 24 | BFA_TRC_FILE(FCS, RPORT_API); |
| 25 | |
| 26 | /** |
| 27 | * rport_api.c Remote port implementation. |
| 28 | */ |
| 29 | |
| 30 | /** |
| 31 | * fcs_rport_api FCS rport API. |
| 32 | */ |
| 33 | |
| 34 | /** |
| 35 | * Direct API to add a target by port wwn. This interface is used, for |
| 36 | * example, by bios when target pwwn is known from boot lun configuration. |
| 37 | */ |
| 38 | bfa_status_t |
| 39 | bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn, |
| 40 | struct bfa_fcs_rport_s *rport, |
| 41 | struct bfad_rport_s *rport_drv) |
| 42 | { |
| 43 | bfa_trc(port->fcs, *pwwn); |
| 44 | |
| 45 | return BFA_STATUS_OK; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Direct API to remove a target and its associated resources. This |
| 50 | * interface is used, for example, by vmware driver to remove target |
| 51 | * ports from the target list for a VM. |
| 52 | */ |
| 53 | bfa_status_t |
| 54 | bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in) |
| 55 | { |
| 56 | |
| 57 | struct bfa_fcs_rport_s *rport; |
| 58 | |
| 59 | bfa_trc(rport_in->fcs, rport_in->pwwn); |
| 60 | |
| 61 | rport = bfa_fcs_port_get_rport_by_pwwn(rport_in->port, rport_in->pwwn); |
| 62 | if (rport == NULL) { |
| 63 | /* |
| 64 | * TBD Error handling |
| 65 | */ |
| 66 | bfa_trc(rport_in->fcs, rport_in->pid); |
| 67 | return BFA_STATUS_UNKNOWN_RWWN; |
| 68 | } |
| 69 | |
| 70 | /* |
| 71 | * TBD if this remote port is online, send a logo |
| 72 | */ |
| 73 | return BFA_STATUS_OK; |
| 74 | |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Remote device status for display/debug. |
| 79 | */ |
| 80 | void |
| 81 | bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, |
| 82 | struct bfa_rport_attr_s *rport_attr) |
| 83 | { |
| 84 | struct bfa_rport_qos_attr_s qos_attr; |
| 85 | struct bfa_fcs_port_s *port = rport->port; |
Jing Huang | c507341 | 2010-07-08 19:51:28 -0700 | [diff] [blame] | 86 | enum bfa_pport_speed rport_speed = rport->rpf.rpsc_speed; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 87 | |
| 88 | bfa_os_memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); |
| 89 | |
| 90 | rport_attr->pid = rport->pid; |
| 91 | rport_attr->pwwn = rport->pwwn; |
| 92 | rport_attr->nwwn = rport->nwwn; |
| 93 | rport_attr->cos_supported = rport->fc_cos; |
| 94 | rport_attr->df_sz = rport->maxfrsize; |
| 95 | rport_attr->state = bfa_fcs_rport_get_state(rport); |
| 96 | rport_attr->fc_cos = rport->fc_cos; |
| 97 | rport_attr->cisc = rport->cisc; |
| 98 | rport_attr->scsi_function = rport->scsi_function; |
| 99 | rport_attr->curr_speed = rport->rpf.rpsc_speed; |
| 100 | rport_attr->assigned_speed = rport->rpf.assigned_speed; |
| 101 | |
| 102 | bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr); |
| 103 | rport_attr->qos_attr = qos_attr; |
| 104 | |
| 105 | rport_attr->trl_enforced = BFA_FALSE; |
Jing Huang | c507341 | 2010-07-08 19:51:28 -0700 | [diff] [blame] | 106 | |
Krishna Gudipati | 1c8a4c3 | 2010-03-05 19:37:37 -0800 | [diff] [blame] | 107 | if (bfa_fcport_is_ratelim(port->fcs->bfa)) { |
Jing Huang | c507341 | 2010-07-08 19:51:28 -0700 | [diff] [blame] | 108 | if (rport_speed == BFA_PPORT_SPEED_UNKNOWN) { |
| 109 | /* Use default ratelim speed setting */ |
| 110 | rport_speed = |
| 111 | bfa_fcport_get_ratelim_speed(rport->fcs->bfa); |
| 112 | } |
| 113 | if (rport_speed < bfa_fcs_port_get_rport_max_speed(port)) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 114 | rport_attr->trl_enforced = BFA_TRUE; |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * TODO |
| 119 | * rport->symname |
| 120 | */ |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Per remote device statistics. |
| 125 | */ |
| 126 | void |
| 127 | bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, |
| 128 | struct bfa_rport_stats_s *stats) |
| 129 | { |
| 130 | *stats = rport->stats; |
| 131 | } |
| 132 | |
| 133 | void |
| 134 | bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport) |
| 135 | { |
| 136 | bfa_os_memset((char *)&rport->stats, 0, |
| 137 | sizeof(struct bfa_rport_stats_s)); |
| 138 | } |
| 139 | |
| 140 | struct bfa_fcs_rport_s * |
| 141 | bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn) |
| 142 | { |
| 143 | struct bfa_fcs_rport_s *rport; |
| 144 | |
| 145 | rport = bfa_fcs_port_get_rport_by_pwwn(port, rpwwn); |
| 146 | if (rport == NULL) { |
| 147 | /* |
| 148 | * TBD Error handling |
| 149 | */ |
| 150 | } |
| 151 | |
| 152 | return rport; |
| 153 | } |
| 154 | |
| 155 | struct bfa_fcs_rport_s * |
| 156 | bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_port_s *port, wwn_t rnwwn) |
| 157 | { |
| 158 | struct bfa_fcs_rport_s *rport; |
| 159 | |
| 160 | rport = bfa_fcs_port_get_rport_by_nwwn(port, rnwwn); |
| 161 | if (rport == NULL) { |
| 162 | /* |
| 163 | * TBD Error handling |
| 164 | */ |
| 165 | } |
| 166 | |
| 167 | return rport; |
| 168 | } |
| 169 | |
| 170 | /* |
| 171 | * This API is to set the Rport's speed. Should be used when RPSC is not |
| 172 | * supported by the rport. |
| 173 | */ |
| 174 | void |
| 175 | bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, |
| 176 | enum bfa_pport_speed speed) |
| 177 | { |
| 178 | rport->rpf.assigned_speed = speed; |
| 179 | |
| 180 | /* Set this speed in f/w only if the RPSC speed is not available */ |
| 181 | if (rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) |
| 182 | bfa_rport_speed(rport->bfa_rport, speed); |
| 183 | } |
| 184 | |
| 185 | |