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 | |
| 18 | #include <bfa.h> |
| 19 | #include <bfa_svc.h> |
| 20 | #include <cs/bfa_debug.h> |
| 21 | #include <bfi/bfi_rport.h> |
| 22 | #include "bfa_intr_priv.h" |
| 23 | |
| 24 | BFA_TRC_FILE(HAL, RPORT); |
| 25 | BFA_MODULE(rport); |
| 26 | |
| 27 | #define bfa_rport_offline_cb(__rp) do { \ |
| 28 | if ((__rp)->bfa->fcs) \ |
| 29 | bfa_cb_rport_offline((__rp)->rport_drv); \ |
| 30 | else { \ |
| 31 | bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \ |
| 32 | __bfa_cb_rport_offline, (__rp)); \ |
| 33 | } \ |
| 34 | } while (0) |
| 35 | |
| 36 | #define bfa_rport_online_cb(__rp) do { \ |
| 37 | if ((__rp)->bfa->fcs) \ |
| 38 | bfa_cb_rport_online((__rp)->rport_drv); \ |
| 39 | else { \ |
| 40 | bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \ |
| 41 | __bfa_cb_rport_online, (__rp)); \ |
| 42 | } \ |
| 43 | } while (0) |
| 44 | |
| 45 | /* |
| 46 | * forward declarations |
| 47 | */ |
| 48 | static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod); |
| 49 | static void bfa_rport_free(struct bfa_rport_s *rport); |
| 50 | static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp); |
| 51 | static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp); |
| 52 | static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp); |
| 53 | static void __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete); |
| 54 | static void __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete); |
| 55 | |
| 56 | /** |
| 57 | * bfa_rport_sm BFA rport state machine |
| 58 | */ |
| 59 | |
| 60 | |
| 61 | enum bfa_rport_event { |
| 62 | BFA_RPORT_SM_CREATE = 1, /* rport create event */ |
| 63 | BFA_RPORT_SM_DELETE = 2, /* deleting an existing rport */ |
| 64 | BFA_RPORT_SM_ONLINE = 3, /* rport is online */ |
| 65 | BFA_RPORT_SM_OFFLINE = 4, /* rport is offline */ |
| 66 | BFA_RPORT_SM_FWRSP = 5, /* firmware response */ |
| 67 | BFA_RPORT_SM_HWFAIL = 6, /* IOC h/w failure */ |
| 68 | BFA_RPORT_SM_QOS_SCN = 7, /* QoS SCN from firmware */ |
| 69 | BFA_RPORT_SM_SET_SPEED = 8, /* Set Rport Speed */ |
| 70 | BFA_RPORT_SM_QRESUME = 9, /* space in requeue queue */ |
| 71 | }; |
| 72 | |
| 73 | static void bfa_rport_sm_uninit(struct bfa_rport_s *rp, |
| 74 | enum bfa_rport_event event); |
| 75 | static void bfa_rport_sm_created(struct bfa_rport_s *rp, |
| 76 | enum bfa_rport_event event); |
| 77 | static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, |
| 78 | enum bfa_rport_event event); |
| 79 | static void bfa_rport_sm_online(struct bfa_rport_s *rp, |
| 80 | enum bfa_rport_event event); |
| 81 | static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, |
| 82 | enum bfa_rport_event event); |
| 83 | static void bfa_rport_sm_offline(struct bfa_rport_s *rp, |
| 84 | enum bfa_rport_event event); |
| 85 | static void bfa_rport_sm_deleting(struct bfa_rport_s *rp, |
| 86 | enum bfa_rport_event event); |
| 87 | static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp, |
| 88 | enum bfa_rport_event event); |
| 89 | static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp, |
| 90 | enum bfa_rport_event event); |
| 91 | static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, |
| 92 | enum bfa_rport_event event); |
| 93 | static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, |
| 94 | enum bfa_rport_event event); |
| 95 | static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, |
| 96 | enum bfa_rport_event event); |
| 97 | static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, |
| 98 | enum bfa_rport_event event); |
| 99 | |
| 100 | /** |
| 101 | * Beginning state, only online event expected. |
| 102 | */ |
| 103 | static void |
| 104 | bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 105 | { |
| 106 | bfa_trc(rp->bfa, rp->rport_tag); |
| 107 | bfa_trc(rp->bfa, event); |
| 108 | |
| 109 | switch (event) { |
| 110 | case BFA_RPORT_SM_CREATE: |
| 111 | bfa_stats(rp, sm_un_cr); |
| 112 | bfa_sm_set_state(rp, bfa_rport_sm_created); |
| 113 | break; |
| 114 | |
| 115 | default: |
| 116 | bfa_stats(rp, sm_un_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 117 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 118 | } |
| 119 | } |
| 120 | |
| 121 | static void |
| 122 | bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 123 | { |
| 124 | bfa_trc(rp->bfa, rp->rport_tag); |
| 125 | bfa_trc(rp->bfa, event); |
| 126 | |
| 127 | switch (event) { |
| 128 | case BFA_RPORT_SM_ONLINE: |
| 129 | bfa_stats(rp, sm_cr_on); |
| 130 | if (bfa_rport_send_fwcreate(rp)) |
| 131 | bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); |
| 132 | else |
| 133 | bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); |
| 134 | break; |
| 135 | |
| 136 | case BFA_RPORT_SM_DELETE: |
| 137 | bfa_stats(rp, sm_cr_del); |
| 138 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 139 | bfa_rport_free(rp); |
| 140 | break; |
| 141 | |
| 142 | case BFA_RPORT_SM_HWFAIL: |
| 143 | bfa_stats(rp, sm_cr_hwf); |
| 144 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 145 | break; |
| 146 | |
| 147 | default: |
| 148 | bfa_stats(rp, sm_cr_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 149 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 150 | } |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Waiting for rport create response from firmware. |
| 155 | */ |
| 156 | static void |
| 157 | bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 158 | { |
| 159 | bfa_trc(rp->bfa, rp->rport_tag); |
| 160 | bfa_trc(rp->bfa, event); |
| 161 | |
| 162 | switch (event) { |
| 163 | case BFA_RPORT_SM_FWRSP: |
| 164 | bfa_stats(rp, sm_fwc_rsp); |
| 165 | bfa_sm_set_state(rp, bfa_rport_sm_online); |
| 166 | bfa_rport_online_cb(rp); |
| 167 | break; |
| 168 | |
| 169 | case BFA_RPORT_SM_DELETE: |
| 170 | bfa_stats(rp, sm_fwc_del); |
| 171 | bfa_sm_set_state(rp, bfa_rport_sm_delete_pending); |
| 172 | break; |
| 173 | |
| 174 | case BFA_RPORT_SM_OFFLINE: |
| 175 | bfa_stats(rp, sm_fwc_off); |
| 176 | bfa_sm_set_state(rp, bfa_rport_sm_offline_pending); |
| 177 | break; |
| 178 | |
| 179 | case BFA_RPORT_SM_HWFAIL: |
| 180 | bfa_stats(rp, sm_fwc_hwf); |
| 181 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 182 | break; |
| 183 | |
| 184 | default: |
| 185 | bfa_stats(rp, sm_fwc_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 186 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 187 | } |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Request queue is full, awaiting queue resume to send create request. |
| 192 | */ |
| 193 | static void |
| 194 | bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 195 | { |
| 196 | bfa_trc(rp->bfa, rp->rport_tag); |
| 197 | bfa_trc(rp->bfa, event); |
| 198 | |
| 199 | switch (event) { |
| 200 | case BFA_RPORT_SM_QRESUME: |
| 201 | bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); |
| 202 | bfa_rport_send_fwcreate(rp); |
| 203 | break; |
| 204 | |
| 205 | case BFA_RPORT_SM_DELETE: |
| 206 | bfa_stats(rp, sm_fwc_del); |
| 207 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 208 | bfa_reqq_wcancel(&rp->reqq_wait); |
| 209 | bfa_rport_free(rp); |
| 210 | break; |
| 211 | |
| 212 | case BFA_RPORT_SM_OFFLINE: |
| 213 | bfa_stats(rp, sm_fwc_off); |
| 214 | bfa_sm_set_state(rp, bfa_rport_sm_offline); |
| 215 | bfa_reqq_wcancel(&rp->reqq_wait); |
| 216 | bfa_rport_offline_cb(rp); |
| 217 | break; |
| 218 | |
| 219 | case BFA_RPORT_SM_HWFAIL: |
| 220 | bfa_stats(rp, sm_fwc_hwf); |
| 221 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 222 | bfa_reqq_wcancel(&rp->reqq_wait); |
| 223 | break; |
| 224 | |
| 225 | default: |
| 226 | bfa_stats(rp, sm_fwc_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 227 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 228 | } |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Online state - normal parking state. |
| 233 | */ |
| 234 | static void |
| 235 | bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 236 | { |
| 237 | struct bfi_rport_qos_scn_s *qos_scn; |
| 238 | |
| 239 | bfa_trc(rp->bfa, rp->rport_tag); |
| 240 | bfa_trc(rp->bfa, event); |
| 241 | |
| 242 | switch (event) { |
| 243 | case BFA_RPORT_SM_OFFLINE: |
| 244 | bfa_stats(rp, sm_on_off); |
| 245 | if (bfa_rport_send_fwdelete(rp)) |
| 246 | bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); |
| 247 | else |
| 248 | bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull); |
| 249 | break; |
| 250 | |
| 251 | case BFA_RPORT_SM_DELETE: |
| 252 | bfa_stats(rp, sm_on_del); |
| 253 | if (bfa_rport_send_fwdelete(rp)) |
| 254 | bfa_sm_set_state(rp, bfa_rport_sm_deleting); |
| 255 | else |
| 256 | bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); |
| 257 | break; |
| 258 | |
| 259 | case BFA_RPORT_SM_HWFAIL: |
| 260 | bfa_stats(rp, sm_on_hwf); |
| 261 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 262 | break; |
| 263 | |
| 264 | case BFA_RPORT_SM_SET_SPEED: |
| 265 | bfa_rport_send_fwspeed(rp); |
| 266 | break; |
| 267 | |
| 268 | case BFA_RPORT_SM_QOS_SCN: |
| 269 | qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg; |
| 270 | rp->qos_attr = qos_scn->new_qos_attr; |
| 271 | bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id); |
| 272 | bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id); |
| 273 | bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority); |
| 274 | bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority); |
| 275 | |
| 276 | qos_scn->old_qos_attr.qos_flow_id = |
| 277 | bfa_os_ntohl(qos_scn->old_qos_attr.qos_flow_id); |
| 278 | qos_scn->new_qos_attr.qos_flow_id = |
| 279 | bfa_os_ntohl(qos_scn->new_qos_attr.qos_flow_id); |
| 280 | qos_scn->old_qos_attr.qos_priority = |
| 281 | bfa_os_ntohl(qos_scn->old_qos_attr.qos_priority); |
| 282 | qos_scn->new_qos_attr.qos_priority = |
| 283 | bfa_os_ntohl(qos_scn->new_qos_attr.qos_priority); |
| 284 | |
| 285 | if (qos_scn->old_qos_attr.qos_flow_id != |
| 286 | qos_scn->new_qos_attr.qos_flow_id) |
| 287 | bfa_cb_rport_qos_scn_flowid(rp->rport_drv, |
| 288 | qos_scn->old_qos_attr, |
| 289 | qos_scn->new_qos_attr); |
| 290 | if (qos_scn->old_qos_attr.qos_priority != |
| 291 | qos_scn->new_qos_attr.qos_priority) |
| 292 | bfa_cb_rport_qos_scn_prio(rp->rport_drv, |
| 293 | qos_scn->old_qos_attr, |
| 294 | qos_scn->new_qos_attr); |
| 295 | break; |
| 296 | |
| 297 | default: |
| 298 | bfa_stats(rp, sm_on_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 299 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 300 | } |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * Firmware rport is being deleted - awaiting f/w response. |
| 305 | */ |
| 306 | static void |
| 307 | bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 308 | { |
| 309 | bfa_trc(rp->bfa, rp->rport_tag); |
| 310 | bfa_trc(rp->bfa, event); |
| 311 | |
| 312 | switch (event) { |
| 313 | case BFA_RPORT_SM_FWRSP: |
| 314 | bfa_stats(rp, sm_fwd_rsp); |
| 315 | bfa_sm_set_state(rp, bfa_rport_sm_offline); |
| 316 | bfa_rport_offline_cb(rp); |
| 317 | break; |
| 318 | |
| 319 | case BFA_RPORT_SM_DELETE: |
| 320 | bfa_stats(rp, sm_fwd_del); |
| 321 | bfa_sm_set_state(rp, bfa_rport_sm_deleting); |
| 322 | break; |
| 323 | |
| 324 | case BFA_RPORT_SM_HWFAIL: |
| 325 | bfa_stats(rp, sm_fwd_hwf); |
| 326 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 327 | bfa_rport_offline_cb(rp); |
| 328 | break; |
| 329 | |
| 330 | default: |
| 331 | bfa_stats(rp, sm_fwd_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 332 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 333 | } |
| 334 | } |
| 335 | |
| 336 | static void |
| 337 | bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 338 | { |
| 339 | bfa_trc(rp->bfa, rp->rport_tag); |
| 340 | bfa_trc(rp->bfa, event); |
| 341 | |
| 342 | switch (event) { |
| 343 | case BFA_RPORT_SM_QRESUME: |
| 344 | bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); |
| 345 | bfa_rport_send_fwdelete(rp); |
| 346 | break; |
| 347 | |
| 348 | case BFA_RPORT_SM_DELETE: |
| 349 | bfa_stats(rp, sm_fwd_del); |
| 350 | bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); |
| 351 | break; |
| 352 | |
| 353 | case BFA_RPORT_SM_HWFAIL: |
| 354 | bfa_stats(rp, sm_fwd_hwf); |
| 355 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 356 | bfa_reqq_wcancel(&rp->reqq_wait); |
| 357 | bfa_rport_offline_cb(rp); |
| 358 | break; |
| 359 | |
| 360 | default: |
| 361 | bfa_stats(rp, sm_fwd_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 362 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 363 | } |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Offline state. |
| 368 | */ |
| 369 | static void |
| 370 | bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 371 | { |
| 372 | bfa_trc(rp->bfa, rp->rport_tag); |
| 373 | bfa_trc(rp->bfa, event); |
| 374 | |
| 375 | switch (event) { |
| 376 | case BFA_RPORT_SM_DELETE: |
| 377 | bfa_stats(rp, sm_off_del); |
| 378 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 379 | bfa_rport_free(rp); |
| 380 | break; |
| 381 | |
| 382 | case BFA_RPORT_SM_ONLINE: |
| 383 | bfa_stats(rp, sm_off_on); |
| 384 | if (bfa_rport_send_fwcreate(rp)) |
| 385 | bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); |
| 386 | else |
| 387 | bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); |
| 388 | break; |
| 389 | |
| 390 | case BFA_RPORT_SM_HWFAIL: |
| 391 | bfa_stats(rp, sm_off_hwf); |
| 392 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 393 | break; |
| 394 | |
| 395 | default: |
| 396 | bfa_stats(rp, sm_off_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 397 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 398 | } |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * Rport is deleted, waiting for firmware response to delete. |
| 403 | */ |
| 404 | static void |
| 405 | bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 406 | { |
| 407 | bfa_trc(rp->bfa, rp->rport_tag); |
| 408 | bfa_trc(rp->bfa, event); |
| 409 | |
| 410 | switch (event) { |
| 411 | case BFA_RPORT_SM_FWRSP: |
| 412 | bfa_stats(rp, sm_del_fwrsp); |
| 413 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 414 | bfa_rport_free(rp); |
| 415 | break; |
| 416 | |
| 417 | case BFA_RPORT_SM_HWFAIL: |
| 418 | bfa_stats(rp, sm_del_hwf); |
| 419 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 420 | bfa_rport_free(rp); |
| 421 | break; |
| 422 | |
| 423 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 424 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 425 | } |
| 426 | } |
| 427 | |
| 428 | static void |
| 429 | bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 430 | { |
| 431 | bfa_trc(rp->bfa, rp->rport_tag); |
| 432 | bfa_trc(rp->bfa, event); |
| 433 | |
| 434 | switch (event) { |
| 435 | case BFA_RPORT_SM_QRESUME: |
| 436 | bfa_stats(rp, sm_del_fwrsp); |
| 437 | bfa_sm_set_state(rp, bfa_rport_sm_deleting); |
| 438 | bfa_rport_send_fwdelete(rp); |
| 439 | break; |
| 440 | |
| 441 | case BFA_RPORT_SM_HWFAIL: |
| 442 | bfa_stats(rp, sm_del_hwf); |
| 443 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 444 | bfa_reqq_wcancel(&rp->reqq_wait); |
| 445 | bfa_rport_free(rp); |
| 446 | break; |
| 447 | |
| 448 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 449 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 450 | } |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * Waiting for rport create response from firmware. A delete is pending. |
| 455 | */ |
| 456 | static void |
| 457 | bfa_rport_sm_delete_pending(struct bfa_rport_s *rp, |
| 458 | enum bfa_rport_event event) |
| 459 | { |
| 460 | bfa_trc(rp->bfa, rp->rport_tag); |
| 461 | bfa_trc(rp->bfa, event); |
| 462 | |
| 463 | switch (event) { |
| 464 | case BFA_RPORT_SM_FWRSP: |
| 465 | bfa_stats(rp, sm_delp_fwrsp); |
| 466 | if (bfa_rport_send_fwdelete(rp)) |
| 467 | bfa_sm_set_state(rp, bfa_rport_sm_deleting); |
| 468 | else |
| 469 | bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull); |
| 470 | break; |
| 471 | |
| 472 | case BFA_RPORT_SM_HWFAIL: |
| 473 | bfa_stats(rp, sm_delp_hwf); |
| 474 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 475 | bfa_rport_free(rp); |
| 476 | break; |
| 477 | |
| 478 | default: |
| 479 | bfa_stats(rp, sm_delp_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 480 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 481 | } |
| 482 | } |
| 483 | |
| 484 | /** |
| 485 | * Waiting for rport create response from firmware. Rport offline is pending. |
| 486 | */ |
| 487 | static void |
| 488 | bfa_rport_sm_offline_pending(struct bfa_rport_s *rp, |
| 489 | enum bfa_rport_event event) |
| 490 | { |
| 491 | bfa_trc(rp->bfa, rp->rport_tag); |
| 492 | bfa_trc(rp->bfa, event); |
| 493 | |
| 494 | switch (event) { |
| 495 | case BFA_RPORT_SM_FWRSP: |
| 496 | bfa_stats(rp, sm_offp_fwrsp); |
| 497 | if (bfa_rport_send_fwdelete(rp)) |
| 498 | bfa_sm_set_state(rp, bfa_rport_sm_fwdelete); |
| 499 | else |
| 500 | bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull); |
| 501 | break; |
| 502 | |
| 503 | case BFA_RPORT_SM_DELETE: |
| 504 | bfa_stats(rp, sm_offp_del); |
| 505 | bfa_sm_set_state(rp, bfa_rport_sm_delete_pending); |
| 506 | break; |
| 507 | |
| 508 | case BFA_RPORT_SM_HWFAIL: |
| 509 | bfa_stats(rp, sm_offp_hwf); |
| 510 | bfa_sm_set_state(rp, bfa_rport_sm_iocdisable); |
| 511 | break; |
| 512 | |
| 513 | default: |
| 514 | bfa_stats(rp, sm_offp_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 515 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 516 | } |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * IOC h/w failed. |
| 521 | */ |
| 522 | static void |
| 523 | bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event) |
| 524 | { |
| 525 | bfa_trc(rp->bfa, rp->rport_tag); |
| 526 | bfa_trc(rp->bfa, event); |
| 527 | |
| 528 | switch (event) { |
| 529 | case BFA_RPORT_SM_OFFLINE: |
| 530 | bfa_stats(rp, sm_iocd_off); |
| 531 | bfa_rport_offline_cb(rp); |
| 532 | break; |
| 533 | |
| 534 | case BFA_RPORT_SM_DELETE: |
| 535 | bfa_stats(rp, sm_iocd_del); |
| 536 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 537 | bfa_rport_free(rp); |
| 538 | break; |
| 539 | |
| 540 | case BFA_RPORT_SM_ONLINE: |
| 541 | bfa_stats(rp, sm_iocd_on); |
| 542 | if (bfa_rport_send_fwcreate(rp)) |
| 543 | bfa_sm_set_state(rp, bfa_rport_sm_fwcreate); |
| 544 | else |
| 545 | bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull); |
| 546 | break; |
| 547 | |
| 548 | case BFA_RPORT_SM_HWFAIL: |
| 549 | break; |
| 550 | |
| 551 | default: |
| 552 | bfa_stats(rp, sm_iocd_unexp); |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 553 | bfa_sm_fault(rp->bfa, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 554 | } |
| 555 | } |
| 556 | |
| 557 | |
| 558 | |
| 559 | /** |
| 560 | * bfa_rport_private BFA rport private functions |
| 561 | */ |
| 562 | |
| 563 | static void |
| 564 | __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete) |
| 565 | { |
| 566 | struct bfa_rport_s *rp = cbarg; |
| 567 | |
| 568 | if (complete) |
| 569 | bfa_cb_rport_online(rp->rport_drv); |
| 570 | } |
| 571 | |
| 572 | static void |
| 573 | __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete) |
| 574 | { |
| 575 | struct bfa_rport_s *rp = cbarg; |
| 576 | |
| 577 | if (complete) |
| 578 | bfa_cb_rport_offline(rp->rport_drv); |
| 579 | } |
| 580 | |
| 581 | static void |
| 582 | bfa_rport_qresume(void *cbarg) |
| 583 | { |
| 584 | struct bfa_rport_s *rp = cbarg; |
| 585 | |
| 586 | bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME); |
| 587 | } |
| 588 | |
| 589 | static void |
| 590 | bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, |
| 591 | u32 *dm_len) |
| 592 | { |
| 593 | if (cfg->fwcfg.num_rports < BFA_RPORT_MIN) |
| 594 | cfg->fwcfg.num_rports = BFA_RPORT_MIN; |
| 595 | |
| 596 | *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s); |
| 597 | } |
| 598 | |
| 599 | static void |
| 600 | bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, |
| 601 | struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) |
| 602 | { |
| 603 | struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa); |
| 604 | struct bfa_rport_s *rp; |
| 605 | u16 i; |
| 606 | |
| 607 | INIT_LIST_HEAD(&mod->rp_free_q); |
| 608 | INIT_LIST_HEAD(&mod->rp_active_q); |
| 609 | |
| 610 | rp = (struct bfa_rport_s *) bfa_meminfo_kva(meminfo); |
| 611 | mod->rps_list = rp; |
| 612 | mod->num_rports = cfg->fwcfg.num_rports; |
| 613 | |
| 614 | bfa_assert(mod->num_rports |
| 615 | && !(mod->num_rports & (mod->num_rports - 1))); |
| 616 | |
| 617 | for (i = 0; i < mod->num_rports; i++, rp++) { |
| 618 | bfa_os_memset(rp, 0, sizeof(struct bfa_rport_s)); |
| 619 | rp->bfa = bfa; |
| 620 | rp->rport_tag = i; |
| 621 | bfa_sm_set_state(rp, bfa_rport_sm_uninit); |
| 622 | |
| 623 | /** |
| 624 | * - is unused |
| 625 | */ |
| 626 | if (i) |
| 627 | list_add_tail(&rp->qe, &mod->rp_free_q); |
| 628 | |
| 629 | bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp); |
| 630 | } |
| 631 | |
| 632 | /** |
| 633 | * consume memory |
| 634 | */ |
| 635 | bfa_meminfo_kva(meminfo) = (u8 *) rp; |
| 636 | } |
| 637 | |
| 638 | static void |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 639 | bfa_rport_detach(struct bfa_s *bfa) |
| 640 | { |
| 641 | } |
| 642 | |
| 643 | static void |
| 644 | bfa_rport_start(struct bfa_s *bfa) |
| 645 | { |
| 646 | } |
| 647 | |
| 648 | static void |
| 649 | bfa_rport_stop(struct bfa_s *bfa) |
| 650 | { |
| 651 | } |
| 652 | |
| 653 | static void |
| 654 | bfa_rport_iocdisable(struct bfa_s *bfa) |
| 655 | { |
| 656 | struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa); |
| 657 | struct bfa_rport_s *rport; |
| 658 | struct list_head *qe, *qen; |
| 659 | |
| 660 | list_for_each_safe(qe, qen, &mod->rp_active_q) { |
| 661 | rport = (struct bfa_rport_s *) qe; |
| 662 | bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL); |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | static struct bfa_rport_s * |
| 667 | bfa_rport_alloc(struct bfa_rport_mod_s *mod) |
| 668 | { |
| 669 | struct bfa_rport_s *rport; |
| 670 | |
| 671 | bfa_q_deq(&mod->rp_free_q, &rport); |
| 672 | if (rport) |
| 673 | list_add_tail(&rport->qe, &mod->rp_active_q); |
| 674 | |
Jing Huang | f8ceafd | 2009-09-25 12:29:54 -0700 | [diff] [blame] | 675 | return rport; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | static void |
| 679 | bfa_rport_free(struct bfa_rport_s *rport) |
| 680 | { |
| 681 | struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa); |
| 682 | |
| 683 | bfa_assert(bfa_q_is_on_q(&mod->rp_active_q, rport)); |
| 684 | list_del(&rport->qe); |
| 685 | list_add_tail(&rport->qe, &mod->rp_free_q); |
| 686 | } |
| 687 | |
| 688 | static bfa_boolean_t |
| 689 | bfa_rport_send_fwcreate(struct bfa_rport_s *rp) |
| 690 | { |
| 691 | struct bfi_rport_create_req_s *m; |
| 692 | |
| 693 | /** |
| 694 | * check for room in queue to send request now |
| 695 | */ |
| 696 | m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); |
| 697 | if (!m) { |
| 698 | bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait); |
| 699 | return BFA_FALSE; |
| 700 | } |
| 701 | |
| 702 | bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ, |
| 703 | bfa_lpuid(rp->bfa)); |
| 704 | m->bfa_handle = rp->rport_tag; |
| 705 | m->max_frmsz = bfa_os_htons(rp->rport_info.max_frmsz); |
| 706 | m->pid = rp->rport_info.pid; |
| 707 | m->lp_tag = rp->rport_info.lp_tag; |
| 708 | m->local_pid = rp->rport_info.local_pid; |
| 709 | m->fc_class = rp->rport_info.fc_class; |
| 710 | m->vf_en = rp->rport_info.vf_en; |
| 711 | m->vf_id = rp->rport_info.vf_id; |
| 712 | m->cisc = rp->rport_info.cisc; |
| 713 | |
| 714 | /** |
| 715 | * queue I/O message to firmware |
| 716 | */ |
| 717 | bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT); |
| 718 | return BFA_TRUE; |
| 719 | } |
| 720 | |
| 721 | static bfa_boolean_t |
| 722 | bfa_rport_send_fwdelete(struct bfa_rport_s *rp) |
| 723 | { |
| 724 | struct bfi_rport_delete_req_s *m; |
| 725 | |
| 726 | /** |
| 727 | * check for room in queue to send request now |
| 728 | */ |
| 729 | m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); |
| 730 | if (!m) { |
| 731 | bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait); |
| 732 | return BFA_FALSE; |
| 733 | } |
| 734 | |
| 735 | bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ, |
| 736 | bfa_lpuid(rp->bfa)); |
| 737 | m->fw_handle = rp->fw_handle; |
| 738 | |
| 739 | /** |
| 740 | * queue I/O message to firmware |
| 741 | */ |
| 742 | bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT); |
| 743 | return BFA_TRUE; |
| 744 | } |
| 745 | |
| 746 | static bfa_boolean_t |
| 747 | bfa_rport_send_fwspeed(struct bfa_rport_s *rp) |
| 748 | { |
| 749 | struct bfa_rport_speed_req_s *m; |
| 750 | |
| 751 | /** |
| 752 | * check for room in queue to send request now |
| 753 | */ |
| 754 | m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT); |
| 755 | if (!m) { |
| 756 | bfa_trc(rp->bfa, rp->rport_info.speed); |
| 757 | return BFA_FALSE; |
| 758 | } |
| 759 | |
| 760 | bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ, |
| 761 | bfa_lpuid(rp->bfa)); |
| 762 | m->fw_handle = rp->fw_handle; |
| 763 | m->speed = (u8)rp->rport_info.speed; |
| 764 | |
| 765 | /** |
| 766 | * queue I/O message to firmware |
| 767 | */ |
| 768 | bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT); |
| 769 | return BFA_TRUE; |
| 770 | } |
| 771 | |
| 772 | |
| 773 | |
| 774 | /** |
| 775 | * bfa_rport_public |
| 776 | */ |
| 777 | |
| 778 | /** |
| 779 | * Rport interrupt processing. |
| 780 | */ |
| 781 | void |
| 782 | bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m) |
| 783 | { |
| 784 | union bfi_rport_i2h_msg_u msg; |
| 785 | struct bfa_rport_s *rp; |
| 786 | |
| 787 | bfa_trc(bfa, m->mhdr.msg_id); |
| 788 | |
| 789 | msg.msg = m; |
| 790 | |
| 791 | switch (m->mhdr.msg_id) { |
| 792 | case BFI_RPORT_I2H_CREATE_RSP: |
| 793 | rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle); |
| 794 | rp->fw_handle = msg.create_rsp->fw_handle; |
| 795 | rp->qos_attr = msg.create_rsp->qos_attr; |
| 796 | bfa_assert(msg.create_rsp->status == BFA_STATUS_OK); |
| 797 | bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); |
| 798 | break; |
| 799 | |
| 800 | case BFI_RPORT_I2H_DELETE_RSP: |
| 801 | rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle); |
| 802 | bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK); |
| 803 | bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP); |
| 804 | break; |
| 805 | |
| 806 | case BFI_RPORT_I2H_QOS_SCN: |
| 807 | rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle); |
| 808 | rp->event_arg.fw_msg = msg.qos_scn_evt; |
| 809 | bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN); |
| 810 | break; |
| 811 | |
| 812 | default: |
| 813 | bfa_trc(bfa, m->mhdr.msg_id); |
| 814 | bfa_assert(0); |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | |
| 819 | |
| 820 | /** |
| 821 | * bfa_rport_api |
| 822 | */ |
| 823 | |
| 824 | struct bfa_rport_s * |
| 825 | bfa_rport_create(struct bfa_s *bfa, void *rport_drv) |
| 826 | { |
| 827 | struct bfa_rport_s *rp; |
| 828 | |
| 829 | rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa)); |
| 830 | |
| 831 | if (rp == NULL) |
Jing Huang | f8ceafd | 2009-09-25 12:29:54 -0700 | [diff] [blame] | 832 | return NULL; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 833 | |
| 834 | rp->bfa = bfa; |
| 835 | rp->rport_drv = rport_drv; |
| 836 | bfa_rport_clear_stats(rp); |
| 837 | |
| 838 | bfa_assert(bfa_sm_cmp_state(rp, bfa_rport_sm_uninit)); |
| 839 | bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE); |
| 840 | |
Jing Huang | f8ceafd | 2009-09-25 12:29:54 -0700 | [diff] [blame] | 841 | return rp; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 842 | } |
| 843 | |
| 844 | void |
| 845 | bfa_rport_delete(struct bfa_rport_s *rport) |
| 846 | { |
| 847 | bfa_sm_send_event(rport, BFA_RPORT_SM_DELETE); |
| 848 | } |
| 849 | |
| 850 | void |
| 851 | bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info) |
| 852 | { |
| 853 | bfa_assert(rport_info->max_frmsz != 0); |
| 854 | |
| 855 | /** |
| 856 | * Some JBODs are seen to be not setting PDU size correctly in PLOGI |
| 857 | * responses. Default to minimum size. |
| 858 | */ |
| 859 | if (rport_info->max_frmsz == 0) { |
| 860 | bfa_trc(rport->bfa, rport->rport_tag); |
| 861 | rport_info->max_frmsz = FC_MIN_PDUSZ; |
| 862 | } |
| 863 | |
| 864 | bfa_os_assign(rport->rport_info, *rport_info); |
| 865 | bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE); |
| 866 | } |
| 867 | |
| 868 | void |
| 869 | bfa_rport_offline(struct bfa_rport_s *rport) |
| 870 | { |
| 871 | bfa_sm_send_event(rport, BFA_RPORT_SM_OFFLINE); |
| 872 | } |
| 873 | |
| 874 | void |
| 875 | bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_pport_speed speed) |
| 876 | { |
| 877 | bfa_assert(speed != 0); |
| 878 | bfa_assert(speed != BFA_PPORT_SPEED_AUTO); |
| 879 | |
| 880 | rport->rport_info.speed = speed; |
| 881 | bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED); |
| 882 | } |
| 883 | |
| 884 | void |
| 885 | bfa_rport_get_stats(struct bfa_rport_s *rport, |
| 886 | struct bfa_rport_hal_stats_s *stats) |
| 887 | { |
| 888 | *stats = rport->stats; |
| 889 | } |
| 890 | |
| 891 | void |
| 892 | bfa_rport_get_qos_attr(struct bfa_rport_s *rport, |
| 893 | struct bfa_rport_qos_attr_s *qos_attr) |
| 894 | { |
| 895 | qos_attr->qos_priority = bfa_os_ntohl(rport->qos_attr.qos_priority); |
| 896 | qos_attr->qos_flow_id = bfa_os_ntohl(rport->qos_attr.qos_flow_id); |
| 897 | |
| 898 | } |
| 899 | |
| 900 | void |
| 901 | bfa_rport_clear_stats(struct bfa_rport_s *rport) |
| 902 | { |
| 903 | bfa_os_memset(&rport->stats, 0, sizeof(rport->stats)); |
| 904 | } |
| 905 | |
| 906 | |