1 /*- 2 * Copyright (c) 2008-2015 Solarflare Communications Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * The views and conclusions contained in the software and documentation are 27 * those of the authors and should not be interpreted as representing official 28 * policies, either expressed or implied, of the FreeBSD Project. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include "efx.h" 35 #include "efx_impl.h" 36 37 #if EFSYS_OPT_MCDI 38 39 40 #if EFSYS_OPT_SIENA 41 42 static efx_mcdi_ops_t __efx_mcdi_siena_ops = { 43 siena_mcdi_init, /* emco_init */ 44 siena_mcdi_request_copyin, /* emco_request_copyin */ 45 siena_mcdi_request_copyout, /* emco_request_copyout */ 46 siena_mcdi_poll_reboot, /* emco_poll_reboot */ 47 siena_mcdi_poll_response, /* emco_poll_response */ 48 siena_mcdi_read_response, /* emco_read_response */ 49 siena_mcdi_fini, /* emco_fini */ 50 siena_mcdi_feature_supported, /* emco_feature_supported */ 51 }; 52 53 #endif /* EFSYS_OPT_SIENA */ 54 55 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 56 57 static efx_mcdi_ops_t __efx_mcdi_ef10_ops = { 58 ef10_mcdi_init, /* emco_init */ 59 ef10_mcdi_request_copyin, /* emco_request_copyin */ 60 ef10_mcdi_request_copyout, /* emco_request_copyout */ 61 ef10_mcdi_poll_reboot, /* emco_poll_reboot */ 62 ef10_mcdi_poll_response, /* emco_poll_response */ 63 ef10_mcdi_read_response, /* emco_read_response */ 64 ef10_mcdi_fini, /* emco_fini */ 65 ef10_mcdi_feature_supported, /* emco_feature_supported */ 66 }; 67 68 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 69 70 71 72 __checkReturn efx_rc_t 73 efx_mcdi_init( 74 __in efx_nic_t *enp, 75 __in const efx_mcdi_transport_t *emtp) 76 { 77 efx_mcdi_ops_t *emcop; 78 efx_rc_t rc; 79 80 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 81 EFSYS_ASSERT3U(enp->en_mod_flags, ==, 0); 82 83 switch (enp->en_family) { 84 #if EFSYS_OPT_FALCON 85 case EFX_FAMILY_FALCON: 86 emcop = NULL; 87 emtp = NULL; 88 break; 89 #endif /* EFSYS_OPT_FALCON */ 90 91 #if EFSYS_OPT_SIENA 92 case EFX_FAMILY_SIENA: 93 emcop = (efx_mcdi_ops_t *)&__efx_mcdi_siena_ops; 94 break; 95 #endif /* EFSYS_OPT_SIENA */ 96 97 #if EFSYS_OPT_HUNTINGTON 98 case EFX_FAMILY_HUNTINGTON: 99 emcop = (efx_mcdi_ops_t *)&__efx_mcdi_ef10_ops; 100 break; 101 #endif /* EFSYS_OPT_HUNTINGTON */ 102 103 #if EFSYS_OPT_MEDFORD 104 case EFX_FAMILY_MEDFORD: 105 emcop = (efx_mcdi_ops_t *)&__efx_mcdi_ef10_ops; 106 break; 107 #endif /* EFSYS_OPT_MEDFORD */ 108 109 default: 110 EFSYS_ASSERT(0); 111 rc = ENOTSUP; 112 goto fail1; 113 } 114 115 if (enp->en_features & EFX_FEATURE_MCDI_DMA) { 116 /* MCDI requires a DMA buffer in host memory */ 117 if ((emtp == NULL) || (emtp->emt_dma_mem) == NULL) { 118 rc = EINVAL; 119 goto fail2; 120 } 121 } 122 enp->en_mcdi.em_emtp = emtp; 123 124 if (emcop != NULL && emcop->emco_init != NULL) { 125 if ((rc = emcop->emco_init(enp, emtp)) != 0) 126 goto fail3; 127 } 128 129 enp->en_mcdi.em_emcop = emcop; 130 enp->en_mod_flags |= EFX_MOD_MCDI; 131 132 return (0); 133 134 fail3: 135 EFSYS_PROBE(fail3); 136 fail2: 137 EFSYS_PROBE(fail2); 138 fail1: 139 EFSYS_PROBE1(fail1, efx_rc_t, rc); 140 141 enp->en_mcdi.em_emcop = NULL; 142 enp->en_mcdi.em_emtp = NULL; 143 enp->en_mod_flags &= ~EFX_MOD_MCDI; 144 145 return (rc); 146 } 147 148 void 149 efx_mcdi_fini( 150 __in efx_nic_t *enp) 151 { 152 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 153 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 154 155 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 156 EFSYS_ASSERT3U(enp->en_mod_flags, ==, EFX_MOD_MCDI); 157 158 if (emcop != NULL && emcop->emco_fini != NULL) 159 emcop->emco_fini(enp); 160 161 emip->emi_port = 0; 162 emip->emi_aborted = 0; 163 164 enp->en_mcdi.em_emcop = NULL; 165 enp->en_mod_flags &= ~EFX_MOD_MCDI; 166 } 167 168 void 169 efx_mcdi_new_epoch( 170 __in efx_nic_t *enp) 171 { 172 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 173 int state; 174 175 /* Start a new epoch (allow fresh MCDI requests to succeed) */ 176 EFSYS_LOCK(enp->en_eslp, state); 177 emip->emi_new_epoch = B_TRUE; 178 EFSYS_UNLOCK(enp->en_eslp, state); 179 } 180 181 static void 182 efx_mcdi_request_copyin( 183 __in efx_nic_t *enp, 184 __in efx_mcdi_req_t *emrp, 185 __in unsigned int seq, 186 __in boolean_t ev_cpl, 187 __in boolean_t new_epoch) 188 { 189 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 190 191 emcop->emco_request_copyin(enp, emrp, seq, ev_cpl, new_epoch); 192 } 193 194 static void 195 efx_mcdi_request_copyout( 196 __in efx_nic_t *enp, 197 __in efx_mcdi_req_t *emrp) 198 { 199 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 200 201 emcop->emco_request_copyout(enp, emrp); 202 } 203 204 static efx_rc_t 205 efx_mcdi_poll_reboot( 206 __in efx_nic_t *enp) 207 { 208 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 209 efx_rc_t rc; 210 211 rc = emcop->emco_poll_reboot(enp); 212 return (rc); 213 } 214 215 static boolean_t 216 efx_mcdi_poll_response( 217 __in efx_nic_t *enp) 218 { 219 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 220 boolean_t available; 221 222 available = emcop->emco_poll_response(enp); 223 return (available); 224 } 225 226 static void 227 efx_mcdi_read_response( 228 __in efx_nic_t *enp, 229 __out void *bufferp, 230 __in size_t offset, 231 __in size_t length) 232 { 233 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 234 235 emcop->emco_read_response(enp, bufferp, offset, length); 236 } 237 238 void 239 efx_mcdi_request_start( 240 __in efx_nic_t *enp, 241 __in efx_mcdi_req_t *emrp, 242 __in boolean_t ev_cpl) 243 { 244 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 245 unsigned int seq; 246 boolean_t new_epoch; 247 int state; 248 249 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 250 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI); 251 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI); 252 253 /* 254 * efx_mcdi_request_start() is naturally serialised against both 255 * efx_mcdi_request_poll() and efx_mcdi_ev_cpl()/efx_mcdi_ev_death(), 256 * by virtue of there only being one outstanding MCDI request. 257 * Unfortunately, upper layers may also call efx_mcdi_request_abort() 258 * at any time, to timeout a pending mcdi request, That request may 259 * then subsequently complete, meaning efx_mcdi_ev_cpl() or 260 * efx_mcdi_ev_death() may end up running in parallel with 261 * efx_mcdi_request_start(). This race is handled by ensuring that 262 * %emi_pending_req, %emi_ev_cpl and %emi_seq are protected by the 263 * en_eslp lock. 264 */ 265 EFSYS_LOCK(enp->en_eslp, state); 266 EFSYS_ASSERT(emip->emi_pending_req == NULL); 267 emip->emi_pending_req = emrp; 268 emip->emi_ev_cpl = ev_cpl; 269 emip->emi_poll_cnt = 0; 270 seq = emip->emi_seq++ & EFX_MASK32(MCDI_HEADER_SEQ); 271 new_epoch = emip->emi_new_epoch; 272 EFSYS_UNLOCK(enp->en_eslp, state); 273 274 efx_mcdi_request_copyin(enp, emrp, seq, ev_cpl, new_epoch); 275 } 276 277 278 void 279 efx_mcdi_read_response_header( 280 __in efx_nic_t *enp, 281 __inout efx_mcdi_req_t *emrp) 282 { 283 #if EFSYS_OPT_MCDI_LOGGING 284 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; 285 #endif /* EFSYS_OPT_MCDI_LOGGING */ 286 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 287 efx_dword_t hdr[2]; 288 unsigned int hdr_len; 289 unsigned int data_len; 290 unsigned int seq; 291 unsigned int cmd; 292 unsigned int error; 293 efx_rc_t rc; 294 295 EFSYS_ASSERT(emrp != NULL); 296 297 efx_mcdi_read_response(enp, &hdr[0], 0, sizeof (hdr[0])); 298 hdr_len = sizeof (hdr[0]); 299 300 cmd = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE); 301 seq = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_SEQ); 302 error = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_ERROR); 303 304 if (cmd != MC_CMD_V2_EXTN) { 305 data_len = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_DATALEN); 306 } else { 307 efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1])); 308 hdr_len += sizeof (hdr[1]); 309 310 cmd = EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_EXTENDED_CMD); 311 data_len = 312 EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_ACTUAL_LEN); 313 } 314 315 if (error && (data_len == 0)) { 316 /* The MC has rebooted since the request was sent. */ 317 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US); 318 efx_mcdi_poll_reboot(enp); 319 rc = EIO; 320 goto fail1; 321 } 322 if ((cmd != emrp->emr_cmd) || 323 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) { 324 /* Response is for a different request */ 325 rc = EIO; 326 goto fail2; 327 } 328 if (error) { 329 efx_dword_t err[2]; 330 unsigned int err_len = MIN(data_len, sizeof (err)); 331 int err_code = MC_CMD_ERR_EPROTO; 332 int err_arg = 0; 333 334 /* Read error code (and arg num for MCDI v2 commands) */ 335 efx_mcdi_read_response(enp, &err, hdr_len, err_len); 336 337 if (err_len >= (MC_CMD_ERR_CODE_OFST + sizeof (efx_dword_t))) 338 err_code = EFX_DWORD_FIELD(err[0], EFX_DWORD_0); 339 #ifdef WITH_MCDI_V2 340 if (err_len >= (MC_CMD_ERR_ARG_OFST + sizeof (efx_dword_t))) 341 err_arg = EFX_DWORD_FIELD(err[1], EFX_DWORD_0); 342 #endif 343 emrp->emr_err_code = err_code; 344 emrp->emr_err_arg = err_arg; 345 346 #if EFSYS_OPT_MCDI_PROXY_AUTH 347 if ((err_code == MC_CMD_ERR_PROXY_PENDING) && 348 (err_len == sizeof (err))) { 349 /* 350 * The MCDI request would normally fail with EPERM, but 351 * firmware has forwarded it to an authorization agent 352 * attached to a privileged PF. 353 * 354 * Save the authorization request handle. The client 355 * must wait for a PROXY_RESPONSE event, or timeout. 356 */ 357 emrp->emr_proxy_handle = err_arg; 358 } 359 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */ 360 361 #if EFSYS_OPT_MCDI_LOGGING 362 if (emtp->emt_logger != NULL) { 363 emtp->emt_logger(emtp->emt_context, 364 EFX_LOG_MCDI_RESPONSE, 365 &hdr, hdr_len, 366 &err, err_len); 367 } 368 #endif /* EFSYS_OPT_MCDI_LOGGING */ 369 370 if (!emrp->emr_quiet) { 371 EFSYS_PROBE3(mcdi_err_arg, int, emrp->emr_cmd, 372 int, err_code, int, err_arg); 373 } 374 375 rc = efx_mcdi_request_errcode(err_code); 376 goto fail3; 377 } 378 379 emrp->emr_rc = 0; 380 emrp->emr_out_length_used = data_len; 381 #if EFSYS_OPT_MCDI_PROXY_AUTH 382 emrp->emr_proxy_handle = 0; 383 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */ 384 return; 385 386 fail3: 387 if (!emrp->emr_quiet) 388 EFSYS_PROBE(fail3); 389 fail2: 390 if (!emrp->emr_quiet) 391 EFSYS_PROBE(fail2); 392 fail1: 393 if (!emrp->emr_quiet) 394 EFSYS_PROBE1(fail1, efx_rc_t, rc); 395 396 emrp->emr_rc = rc; 397 emrp->emr_out_length_used = 0; 398 } 399 400 401 __checkReturn boolean_t 402 efx_mcdi_request_poll( 403 __in efx_nic_t *enp) 404 { 405 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 406 efx_mcdi_req_t *emrp; 407 int state; 408 efx_rc_t rc; 409 410 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 411 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI); 412 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI); 413 414 /* Serialise against post-watchdog efx_mcdi_ev* */ 415 EFSYS_LOCK(enp->en_eslp, state); 416 417 EFSYS_ASSERT(emip->emi_pending_req != NULL); 418 EFSYS_ASSERT(!emip->emi_ev_cpl); 419 emrp = emip->emi_pending_req; 420 421 /* Check for reboot atomically w.r.t efx_mcdi_request_start */ 422 if (emip->emi_poll_cnt++ == 0) { 423 if ((rc = efx_mcdi_poll_reboot(enp)) != 0) { 424 emip->emi_pending_req = NULL; 425 EFSYS_UNLOCK(enp->en_eslp, state); 426 goto fail1; 427 } 428 } 429 430 /* Check if a response is available */ 431 if (efx_mcdi_poll_response(enp) == B_FALSE) { 432 EFSYS_UNLOCK(enp->en_eslp, state); 433 return (B_FALSE); 434 } 435 436 /* Read the response header */ 437 efx_mcdi_read_response_header(enp, emrp); 438 439 /* Request complete */ 440 emip->emi_pending_req = NULL; 441 442 EFSYS_UNLOCK(enp->en_eslp, state); 443 444 if ((rc = emrp->emr_rc) != 0) 445 goto fail2; 446 447 efx_mcdi_request_copyout(enp, emrp); 448 return (B_TRUE); 449 450 fail2: 451 if (!emrp->emr_quiet) 452 EFSYS_PROBE(fail2); 453 fail1: 454 if (!emrp->emr_quiet) 455 EFSYS_PROBE1(fail1, efx_rc_t, rc); 456 457 /* Reboot/Assertion */ 458 if (rc == EIO || rc == EINTR) 459 efx_mcdi_raise_exception(enp, emrp, rc); 460 461 return (B_TRUE); 462 } 463 464 __checkReturn boolean_t 465 efx_mcdi_request_abort( 466 __in efx_nic_t *enp) 467 { 468 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 469 efx_mcdi_req_t *emrp; 470 boolean_t aborted; 471 int state; 472 473 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 474 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI); 475 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI); 476 477 /* 478 * efx_mcdi_ev_* may have already completed this event, and be 479 * spinning/blocked on the upper layer lock. So it *is* legitimate 480 * to for emi_pending_req to be NULL. If there is a pending event 481 * completed request, then provide a "credit" to allow 482 * efx_mcdi_ev_cpl() to accept a single spurious completion. 483 */ 484 EFSYS_LOCK(enp->en_eslp, state); 485 emrp = emip->emi_pending_req; 486 aborted = (emrp != NULL); 487 if (aborted) { 488 emip->emi_pending_req = NULL; 489 490 /* Error the request */ 491 emrp->emr_out_length_used = 0; 492 emrp->emr_rc = ETIMEDOUT; 493 494 /* Provide a credit for seqno/emr_pending_req mismatches */ 495 if (emip->emi_ev_cpl) 496 ++emip->emi_aborted; 497 498 /* 499 * The upper layer has called us, so we don't 500 * need to complete the request. 501 */ 502 } 503 EFSYS_UNLOCK(enp->en_eslp, state); 504 505 return (aborted); 506 } 507 508 __checkReturn efx_rc_t 509 efx_mcdi_request_errcode( 510 __in unsigned int err) 511 { 512 513 switch (err) { 514 /* MCDI v1 */ 515 case MC_CMD_ERR_EPERM: 516 return (EACCES); 517 case MC_CMD_ERR_ENOENT: 518 return (ENOENT); 519 case MC_CMD_ERR_EINTR: 520 return (EINTR); 521 case MC_CMD_ERR_EACCES: 522 return (EACCES); 523 case MC_CMD_ERR_EBUSY: 524 return (EBUSY); 525 case MC_CMD_ERR_EINVAL: 526 return (EINVAL); 527 case MC_CMD_ERR_EDEADLK: 528 return (EDEADLK); 529 case MC_CMD_ERR_ENOSYS: 530 return (ENOTSUP); 531 case MC_CMD_ERR_ETIME: 532 return (ETIMEDOUT); 533 case MC_CMD_ERR_ENOTSUP: 534 return (ENOTSUP); 535 case MC_CMD_ERR_EALREADY: 536 return (EALREADY); 537 538 /* MCDI v2 */ 539 #ifdef MC_CMD_ERR_EAGAIN 540 case MC_CMD_ERR_EAGAIN: 541 return (EAGAIN); 542 #endif 543 #ifdef MC_CMD_ERR_ENOSPC 544 case MC_CMD_ERR_ENOSPC: 545 return (ENOSPC); 546 #endif 547 548 case MC_CMD_ERR_ALLOC_FAIL: 549 return (ENOMEM); 550 case MC_CMD_ERR_NO_VADAPTOR: 551 return (ENOENT); 552 case MC_CMD_ERR_NO_EVB_PORT: 553 return (ENOENT); 554 case MC_CMD_ERR_NO_VSWITCH: 555 return (ENODEV); 556 case MC_CMD_ERR_VLAN_LIMIT: 557 return (EINVAL); 558 case MC_CMD_ERR_BAD_PCI_FUNC: 559 return (ENODEV); 560 case MC_CMD_ERR_BAD_VLAN_MODE: 561 return (EINVAL); 562 case MC_CMD_ERR_BAD_VSWITCH_TYPE: 563 return (EINVAL); 564 case MC_CMD_ERR_BAD_VPORT_TYPE: 565 return (EINVAL); 566 case MC_CMD_ERR_MAC_EXIST: 567 return (EEXIST); 568 569 case MC_CMD_ERR_PROXY_PENDING: 570 return (EAGAIN); 571 572 default: 573 EFSYS_PROBE1(mc_pcol_error, int, err); 574 return (EIO); 575 } 576 } 577 578 void 579 efx_mcdi_raise_exception( 580 __in efx_nic_t *enp, 581 __in_opt efx_mcdi_req_t *emrp, 582 __in int rc) 583 { 584 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; 585 efx_mcdi_exception_t exception; 586 587 /* Reboot or Assertion failure only */ 588 EFSYS_ASSERT(rc == EIO || rc == EINTR); 589 590 /* 591 * If MC_CMD_REBOOT causes a reboot (dependent on parameters), 592 * then the EIO is not worthy of an exception. 593 */ 594 if (emrp != NULL && emrp->emr_cmd == MC_CMD_REBOOT && rc == EIO) 595 return; 596 597 exception = (rc == EIO) 598 ? EFX_MCDI_EXCEPTION_MC_REBOOT 599 : EFX_MCDI_EXCEPTION_MC_BADASSERT; 600 601 emtp->emt_exception(emtp->emt_context, exception); 602 } 603 604 void 605 efx_mcdi_execute( 606 __in efx_nic_t *enp, 607 __inout efx_mcdi_req_t *emrp) 608 { 609 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; 610 611 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI); 612 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI); 613 614 emrp->emr_quiet = B_FALSE; 615 emtp->emt_execute(emtp->emt_context, emrp); 616 } 617 618 void 619 efx_mcdi_execute_quiet( 620 __in efx_nic_t *enp, 621 __inout efx_mcdi_req_t *emrp) 622 { 623 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; 624 625 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI); 626 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI); 627 628 emrp->emr_quiet = B_TRUE; 629 emtp->emt_execute(emtp->emt_context, emrp); 630 } 631 632 void 633 efx_mcdi_ev_cpl( 634 __in efx_nic_t *enp, 635 __in unsigned int seq, 636 __in unsigned int outlen, 637 __in int errcode) 638 { 639 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 640 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; 641 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 642 efx_mcdi_req_t *emrp; 643 int state; 644 645 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI); 646 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI); 647 648 /* 649 * Serialise against efx_mcdi_request_poll()/efx_mcdi_request_start() 650 * when we're completing an aborted request. 651 */ 652 EFSYS_LOCK(enp->en_eslp, state); 653 if (emip->emi_pending_req == NULL || !emip->emi_ev_cpl || 654 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) { 655 EFSYS_ASSERT(emip->emi_aborted > 0); 656 if (emip->emi_aborted > 0) 657 --emip->emi_aborted; 658 EFSYS_UNLOCK(enp->en_eslp, state); 659 return; 660 } 661 662 emrp = emip->emi_pending_req; 663 emip->emi_pending_req = NULL; 664 EFSYS_UNLOCK(enp->en_eslp, state); 665 666 if (emip->emi_max_version >= 2) { 667 /* MCDIv2 response details do not fit into an event. */ 668 efx_mcdi_read_response_header(enp, emrp); 669 } else { 670 if (errcode != 0) { 671 if (!emrp->emr_quiet) { 672 EFSYS_PROBE2(mcdi_err, int, emrp->emr_cmd, 673 int, errcode); 674 } 675 emrp->emr_out_length_used = 0; 676 emrp->emr_rc = efx_mcdi_request_errcode(errcode); 677 } else { 678 emrp->emr_out_length_used = outlen; 679 emrp->emr_rc = 0; 680 } 681 } 682 if (errcode == 0) { 683 emcop->emco_request_copyout(enp, emrp); 684 } 685 686 emtp->emt_ev_cpl(emtp->emt_context); 687 } 688 689 #if EFSYS_OPT_MCDI_PROXY_AUTH 690 691 __checkReturn efx_rc_t 692 efx_mcdi_get_proxy_handle( 693 __in efx_nic_t *enp, 694 __in efx_mcdi_req_t *emrp, 695 __out uint32_t *handlep) 696 { 697 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 698 efx_rc_t rc; 699 700 /* 701 * Return proxy handle from MCDI request that returned with error 702 * MC_MCD_ERR_PROXY_PENDING. This handle is used to wait for a matching 703 * PROXY_RESPONSE event. 704 */ 705 if ((emrp == NULL) || (handlep == NULL)) { 706 rc = EINVAL; 707 goto fail1; 708 } 709 if ((emrp->emr_rc != 0) && 710 (emrp->emr_err_code == MC_CMD_ERR_PROXY_PENDING)) { 711 *handlep = emrp->emr_proxy_handle; 712 rc = 0; 713 } else { 714 *handlep = 0; 715 rc = ENOENT; 716 } 717 return (rc); 718 719 fail1: 720 EFSYS_PROBE1(fail1, efx_rc_t, rc); 721 return (rc); 722 } 723 724 void 725 efx_mcdi_ev_proxy_response( 726 __in efx_nic_t *enp, 727 __in unsigned int handle, 728 __in unsigned int status) 729 { 730 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; 731 efx_rc_t rc; 732 733 /* 734 * Handle results of an authorization request for a privileged MCDI 735 * command. If authorization was granted then we must re-issue the 736 * original MCDI request. If authorization failed or timed out, 737 * then the original MCDI request should be completed with the 738 * result code from this event. 739 */ 740 rc = (status == 0) ? 0 : efx_mcdi_request_errcode(status); 741 742 emtp->emt_ev_proxy_response(emtp->emt_context, handle, rc); 743 } 744 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */ 745 746 void 747 efx_mcdi_ev_death( 748 __in efx_nic_t *enp, 749 __in int rc) 750 { 751 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 752 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp; 753 efx_mcdi_req_t *emrp = NULL; 754 boolean_t ev_cpl; 755 int state; 756 757 /* 758 * The MCDI request (if there is one) has been terminated, either 759 * by a BADASSERT or REBOOT event. 760 * 761 * If there is an outstanding event-completed MCDI operation, then we 762 * will never receive the completion event (because both MCDI 763 * completions and BADASSERT events are sent to the same evq). So 764 * complete this MCDI op. 765 * 766 * This function might run in parallel with efx_mcdi_request_poll() 767 * for poll completed mcdi requests, and also with 768 * efx_mcdi_request_start() for post-watchdog completions. 769 */ 770 EFSYS_LOCK(enp->en_eslp, state); 771 emrp = emip->emi_pending_req; 772 ev_cpl = emip->emi_ev_cpl; 773 if (emrp != NULL && emip->emi_ev_cpl) { 774 emip->emi_pending_req = NULL; 775 776 emrp->emr_out_length_used = 0; 777 emrp->emr_rc = rc; 778 ++emip->emi_aborted; 779 } 780 781 /* 782 * Since we're running in parallel with a request, consume the 783 * status word before dropping the lock. 784 */ 785 if (rc == EIO || rc == EINTR) { 786 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US); 787 (void) efx_mcdi_poll_reboot(enp); 788 emip->emi_new_epoch = B_TRUE; 789 } 790 791 EFSYS_UNLOCK(enp->en_eslp, state); 792 793 efx_mcdi_raise_exception(enp, emrp, rc); 794 795 if (emrp != NULL && ev_cpl) 796 emtp->emt_ev_cpl(emtp->emt_context); 797 } 798 799 __checkReturn efx_rc_t 800 efx_mcdi_version( 801 __in efx_nic_t *enp, 802 __out_ecount_opt(4) uint16_t versionp[4], 803 __out_opt uint32_t *buildp, 804 __out_opt efx_mcdi_boot_t *statusp) 805 { 806 efx_mcdi_req_t req; 807 uint8_t payload[MAX(MAX(MC_CMD_GET_VERSION_IN_LEN, 808 MC_CMD_GET_VERSION_OUT_LEN), 809 MAX(MC_CMD_GET_BOOT_STATUS_IN_LEN, 810 MC_CMD_GET_BOOT_STATUS_OUT_LEN))]; 811 efx_word_t *ver_words; 812 uint16_t version[4]; 813 uint32_t build; 814 efx_mcdi_boot_t status; 815 efx_rc_t rc; 816 817 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI); 818 819 (void) memset(payload, 0, sizeof (payload)); 820 req.emr_cmd = MC_CMD_GET_VERSION; 821 req.emr_in_buf = payload; 822 req.emr_in_length = MC_CMD_GET_VERSION_IN_LEN; 823 req.emr_out_buf = payload; 824 req.emr_out_length = MC_CMD_GET_VERSION_OUT_LEN; 825 826 efx_mcdi_execute(enp, &req); 827 828 if (req.emr_rc != 0) { 829 rc = req.emr_rc; 830 goto fail1; 831 } 832 833 /* bootrom support */ 834 if (req.emr_out_length_used == MC_CMD_GET_VERSION_V0_OUT_LEN) { 835 version[0] = version[1] = version[2] = version[3] = 0; 836 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE); 837 838 goto version; 839 } 840 841 if (req.emr_out_length_used < MC_CMD_GET_VERSION_OUT_LEN) { 842 rc = EMSGSIZE; 843 goto fail2; 844 } 845 846 ver_words = MCDI_OUT2(req, efx_word_t, GET_VERSION_OUT_VERSION); 847 version[0] = EFX_WORD_FIELD(ver_words[0], EFX_WORD_0); 848 version[1] = EFX_WORD_FIELD(ver_words[1], EFX_WORD_0); 849 version[2] = EFX_WORD_FIELD(ver_words[2], EFX_WORD_0); 850 version[3] = EFX_WORD_FIELD(ver_words[3], EFX_WORD_0); 851 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE); 852 853 version: 854 /* The bootrom doesn't understand BOOT_STATUS */ 855 if (MC_FW_VERSION_IS_BOOTLOADER(build)) { 856 status = EFX_MCDI_BOOT_ROM; 857 goto out; 858 } 859 860 (void) memset(payload, 0, sizeof (payload)); 861 req.emr_cmd = MC_CMD_GET_BOOT_STATUS; 862 req.emr_in_buf = payload; 863 req.emr_in_length = MC_CMD_GET_BOOT_STATUS_IN_LEN; 864 req.emr_out_buf = payload; 865 req.emr_out_length = MC_CMD_GET_BOOT_STATUS_OUT_LEN; 866 867 efx_mcdi_execute_quiet(enp, &req); 868 869 if (req.emr_rc == EACCES) { 870 /* Unprivileged functions cannot access BOOT_STATUS */ 871 status = EFX_MCDI_BOOT_PRIMARY; 872 version[0] = version[1] = version[2] = version[3] = 0; 873 build = 0; 874 goto out; 875 } 876 877 if (req.emr_rc != 0) { 878 rc = req.emr_rc; 879 goto fail3; 880 } 881 882 if (req.emr_out_length_used < MC_CMD_GET_BOOT_STATUS_OUT_LEN) { 883 rc = EMSGSIZE; 884 goto fail4; 885 } 886 887 if (MCDI_OUT_DWORD_FIELD(req, GET_BOOT_STATUS_OUT_FLAGS, 888 GET_BOOT_STATUS_OUT_FLAGS_PRIMARY)) 889 status = EFX_MCDI_BOOT_PRIMARY; 890 else 891 status = EFX_MCDI_BOOT_SECONDARY; 892 893 out: 894 if (versionp != NULL) 895 memcpy(versionp, version, sizeof (version)); 896 if (buildp != NULL) 897 *buildp = build; 898 if (statusp != NULL) 899 *statusp = status; 900 901 return (0); 902 903 fail4: 904 EFSYS_PROBE(fail4); 905 fail3: 906 EFSYS_PROBE(fail3); 907 fail2: 908 EFSYS_PROBE(fail2); 909 fail1: 910 EFSYS_PROBE1(fail1, efx_rc_t, rc); 911 912 return (rc); 913 } 914 915 static __checkReturn efx_rc_t 916 efx_mcdi_do_reboot( 917 __in efx_nic_t *enp, 918 __in boolean_t after_assertion) 919 { 920 uint8_t payload[MAX(MC_CMD_REBOOT_IN_LEN, MC_CMD_REBOOT_OUT_LEN)]; 921 efx_mcdi_req_t req; 922 efx_rc_t rc; 923 924 /* 925 * We could require the caller to have caused en_mod_flags=0 to 926 * call this function. This doesn't help the other port though, 927 * who's about to get the MC ripped out from underneath them. 928 * Since they have to cope with the subsequent fallout of MCDI 929 * failures, we should as well. 930 */ 931 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 932 933 (void) memset(payload, 0, sizeof (payload)); 934 req.emr_cmd = MC_CMD_REBOOT; 935 req.emr_in_buf = payload; 936 req.emr_in_length = MC_CMD_REBOOT_IN_LEN; 937 req.emr_out_buf = payload; 938 req.emr_out_length = MC_CMD_REBOOT_OUT_LEN; 939 940 MCDI_IN_SET_DWORD(req, REBOOT_IN_FLAGS, 941 (after_assertion ? MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION : 0)); 942 943 efx_mcdi_execute_quiet(enp, &req); 944 945 if (req.emr_rc == EACCES) { 946 /* Unprivileged functions cannot reboot the MC. */ 947 goto out; 948 } 949 950 /* A successful reboot request returns EIO. */ 951 if (req.emr_rc != 0 && req.emr_rc != EIO) { 952 rc = req.emr_rc; 953 goto fail1; 954 } 955 956 out: 957 return (0); 958 959 fail1: 960 EFSYS_PROBE1(fail1, efx_rc_t, rc); 961 962 return (rc); 963 } 964 965 __checkReturn efx_rc_t 966 efx_mcdi_reboot( 967 __in efx_nic_t *enp) 968 { 969 return (efx_mcdi_do_reboot(enp, B_FALSE)); 970 } 971 972 __checkReturn efx_rc_t 973 efx_mcdi_exit_assertion_handler( 974 __in efx_nic_t *enp) 975 { 976 return (efx_mcdi_do_reboot(enp, B_TRUE)); 977 } 978 979 __checkReturn efx_rc_t 980 efx_mcdi_read_assertion( 981 __in efx_nic_t *enp) 982 { 983 efx_mcdi_req_t req; 984 uint8_t payload[MAX(MC_CMD_GET_ASSERTS_IN_LEN, 985 MC_CMD_GET_ASSERTS_OUT_LEN)]; 986 const char *reason; 987 unsigned int flags; 988 unsigned int index; 989 unsigned int ofst; 990 int retry; 991 efx_rc_t rc; 992 993 /* 994 * Before we attempt to chat to the MC, we should verify that the MC 995 * isn't in it's assertion handler, either due to a previous reboot, 996 * or because we're reinitializing due to an eec_exception(). 997 * 998 * Use GET_ASSERTS to read any assertion state that may be present. 999 * Retry this command twice. Once because a boot-time assertion failure 1000 * might cause the 1st MCDI request to fail. And once again because 1001 * we might race with efx_mcdi_exit_assertion_handler() running on 1002 * partner port(s) on the same NIC. 1003 */ 1004 retry = 2; 1005 do { 1006 (void) memset(payload, 0, sizeof (payload)); 1007 req.emr_cmd = MC_CMD_GET_ASSERTS; 1008 req.emr_in_buf = payload; 1009 req.emr_in_length = MC_CMD_GET_ASSERTS_IN_LEN; 1010 req.emr_out_buf = payload; 1011 req.emr_out_length = MC_CMD_GET_ASSERTS_OUT_LEN; 1012 1013 MCDI_IN_SET_DWORD(req, GET_ASSERTS_IN_CLEAR, 1); 1014 efx_mcdi_execute_quiet(enp, &req); 1015 1016 } while ((req.emr_rc == EINTR || req.emr_rc == EIO) && retry-- > 0); 1017 1018 if (req.emr_rc != 0) { 1019 if (req.emr_rc == EACCES) { 1020 /* Unprivileged functions cannot clear assertions. */ 1021 goto out; 1022 } 1023 rc = req.emr_rc; 1024 goto fail1; 1025 } 1026 1027 if (req.emr_out_length_used < MC_CMD_GET_ASSERTS_OUT_LEN) { 1028 rc = EMSGSIZE; 1029 goto fail2; 1030 } 1031 1032 /* Print out any assertion state recorded */ 1033 flags = MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_GLOBAL_FLAGS); 1034 if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS) 1035 return (0); 1036 1037 reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL) 1038 ? "system-level assertion" 1039 : (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL) 1040 ? "thread-level assertion" 1041 : (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED) 1042 ? "watchdog reset" 1043 : (flags == MC_CMD_GET_ASSERTS_FLAGS_ADDR_TRAP) 1044 ? "illegal address trap" 1045 : "unknown assertion"; 1046 EFSYS_PROBE3(mcpu_assertion, 1047 const char *, reason, unsigned int, 1048 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_SAVED_PC_OFFS), 1049 unsigned int, 1050 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_THREAD_OFFS)); 1051 1052 /* Print out the registers (r1 ... r31) */ 1053 ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST; 1054 for (index = 1; 1055 index < 1 + MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_NUM; 1056 index++) { 1057 EFSYS_PROBE2(mcpu_register, unsigned int, index, unsigned int, 1058 EFX_DWORD_FIELD(*MCDI_OUT(req, efx_dword_t, ofst), 1059 EFX_DWORD_0)); 1060 ofst += sizeof (efx_dword_t); 1061 } 1062 EFSYS_ASSERT(ofst <= MC_CMD_GET_ASSERTS_OUT_LEN); 1063 1064 out: 1065 return (0); 1066 1067 fail2: 1068 EFSYS_PROBE(fail2); 1069 fail1: 1070 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1071 1072 return (rc); 1073 } 1074 1075 1076 /* 1077 * Internal routines for for specific MCDI requests. 1078 */ 1079 1080 __checkReturn efx_rc_t 1081 efx_mcdi_drv_attach( 1082 __in efx_nic_t *enp, 1083 __in boolean_t attach) 1084 { 1085 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1086 efx_mcdi_req_t req; 1087 uint8_t payload[MAX(MC_CMD_DRV_ATTACH_IN_LEN, 1088 MC_CMD_DRV_ATTACH_EXT_OUT_LEN)]; 1089 uint32_t flags; 1090 efx_rc_t rc; 1091 1092 (void) memset(payload, 0, sizeof (payload)); 1093 req.emr_cmd = MC_CMD_DRV_ATTACH; 1094 req.emr_in_buf = payload; 1095 req.emr_in_length = MC_CMD_DRV_ATTACH_IN_LEN; 1096 req.emr_out_buf = payload; 1097 req.emr_out_length = MC_CMD_DRV_ATTACH_EXT_OUT_LEN; 1098 1099 /* 1100 * Use DONT_CARE for the datapath firmware type to ensure that the 1101 * driver can attach to an unprivileged function. The datapath firmware 1102 * type to use is controlled by the 'sfboot' utility. 1103 */ 1104 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_NEW_STATE, attach ? 1 : 0); 1105 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_UPDATE, 1); 1106 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, MC_CMD_FW_DONT_CARE); 1107 1108 efx_mcdi_execute(enp, &req); 1109 1110 if (req.emr_rc != 0) { 1111 rc = req.emr_rc; 1112 goto fail1; 1113 } 1114 1115 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_OUT_LEN) { 1116 rc = EMSGSIZE; 1117 goto fail2; 1118 } 1119 1120 if (attach == B_FALSE) { 1121 flags = 0; 1122 } else if (enp->en_family == EFX_FAMILY_SIENA) { 1123 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 1124 1125 /* Create synthetic privileges for Siena functions */ 1126 flags = EFX_NIC_FUNC_LINKCTRL | EFX_NIC_FUNC_TRUSTED; 1127 if (emip->emi_port == 1) 1128 flags |= EFX_NIC_FUNC_PRIMARY; 1129 } else { 1130 EFX_STATIC_ASSERT(EFX_NIC_FUNC_PRIMARY == 1131 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY)); 1132 EFX_STATIC_ASSERT(EFX_NIC_FUNC_LINKCTRL == 1133 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL)); 1134 EFX_STATIC_ASSERT(EFX_NIC_FUNC_TRUSTED == 1135 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED)); 1136 1137 /* Save function privilege flags (EF10 and later) */ 1138 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_EXT_OUT_LEN) { 1139 rc = EMSGSIZE; 1140 goto fail3; 1141 } 1142 flags = MCDI_OUT_DWORD(req, DRV_ATTACH_EXT_OUT_FUNC_FLAGS); 1143 } 1144 encp->enc_func_flags = flags; 1145 1146 return (0); 1147 1148 fail3: 1149 EFSYS_PROBE(fail3); 1150 fail2: 1151 EFSYS_PROBE(fail2); 1152 fail1: 1153 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1154 1155 return (rc); 1156 } 1157 1158 __checkReturn efx_rc_t 1159 efx_mcdi_get_board_cfg( 1160 __in efx_nic_t *enp, 1161 __out_opt uint32_t *board_typep, 1162 __out_opt efx_dword_t *capabilitiesp, 1163 __out_ecount_opt(6) uint8_t mac_addrp[6]) 1164 { 1165 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); 1166 efx_mcdi_req_t req; 1167 uint8_t payload[MAX(MC_CMD_GET_BOARD_CFG_IN_LEN, 1168 MC_CMD_GET_BOARD_CFG_OUT_LENMIN)]; 1169 efx_rc_t rc; 1170 1171 (void) memset(payload, 0, sizeof (payload)); 1172 req.emr_cmd = MC_CMD_GET_BOARD_CFG; 1173 req.emr_in_buf = payload; 1174 req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN; 1175 req.emr_out_buf = payload; 1176 req.emr_out_length = MC_CMD_GET_BOARD_CFG_OUT_LENMIN; 1177 1178 efx_mcdi_execute(enp, &req); 1179 1180 if (req.emr_rc != 0) { 1181 rc = req.emr_rc; 1182 goto fail1; 1183 } 1184 1185 if (req.emr_out_length_used < MC_CMD_GET_BOARD_CFG_OUT_LENMIN) { 1186 rc = EMSGSIZE; 1187 goto fail2; 1188 } 1189 1190 if (mac_addrp != NULL) { 1191 uint8_t *addrp; 1192 1193 if (emip->emi_port == 1) { 1194 addrp = MCDI_OUT2(req, uint8_t, 1195 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0); 1196 } else if (emip->emi_port == 2) { 1197 addrp = MCDI_OUT2(req, uint8_t, 1198 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1); 1199 } else { 1200 rc = EINVAL; 1201 goto fail3; 1202 } 1203 1204 EFX_MAC_ADDR_COPY(mac_addrp, addrp); 1205 } 1206 1207 if (capabilitiesp != NULL) { 1208 if (emip->emi_port == 1) { 1209 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t, 1210 GET_BOARD_CFG_OUT_CAPABILITIES_PORT0); 1211 } else if (emip->emi_port == 2) { 1212 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t, 1213 GET_BOARD_CFG_OUT_CAPABILITIES_PORT1); 1214 } else { 1215 rc = EINVAL; 1216 goto fail4; 1217 } 1218 } 1219 1220 if (board_typep != NULL) { 1221 *board_typep = MCDI_OUT_DWORD(req, 1222 GET_BOARD_CFG_OUT_BOARD_TYPE); 1223 } 1224 1225 return (0); 1226 1227 fail4: 1228 EFSYS_PROBE(fail4); 1229 fail3: 1230 EFSYS_PROBE(fail3); 1231 fail2: 1232 EFSYS_PROBE(fail2); 1233 fail1: 1234 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1235 1236 return (rc); 1237 } 1238 1239 __checkReturn efx_rc_t 1240 efx_mcdi_get_resource_limits( 1241 __in efx_nic_t *enp, 1242 __out_opt uint32_t *nevqp, 1243 __out_opt uint32_t *nrxqp, 1244 __out_opt uint32_t *ntxqp) 1245 { 1246 efx_mcdi_req_t req; 1247 uint8_t payload[MAX(MC_CMD_GET_RESOURCE_LIMITS_IN_LEN, 1248 MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN)]; 1249 efx_rc_t rc; 1250 1251 (void) memset(payload, 0, sizeof (payload)); 1252 req.emr_cmd = MC_CMD_GET_RESOURCE_LIMITS; 1253 req.emr_in_buf = payload; 1254 req.emr_in_length = MC_CMD_GET_RESOURCE_LIMITS_IN_LEN; 1255 req.emr_out_buf = payload; 1256 req.emr_out_length = MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN; 1257 1258 efx_mcdi_execute(enp, &req); 1259 1260 if (req.emr_rc != 0) { 1261 rc = req.emr_rc; 1262 goto fail1; 1263 } 1264 1265 if (req.emr_out_length_used < MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN) { 1266 rc = EMSGSIZE; 1267 goto fail2; 1268 } 1269 1270 if (nevqp != NULL) 1271 *nevqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_EVQ); 1272 if (nrxqp != NULL) 1273 *nrxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_RXQ); 1274 if (ntxqp != NULL) 1275 *ntxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_TXQ); 1276 1277 return (0); 1278 1279 fail2: 1280 EFSYS_PROBE(fail2); 1281 fail1: 1282 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1283 1284 return (rc); 1285 } 1286 1287 __checkReturn efx_rc_t 1288 efx_mcdi_get_phy_cfg( 1289 __in efx_nic_t *enp) 1290 { 1291 efx_port_t *epp = &(enp->en_port); 1292 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1293 efx_mcdi_req_t req; 1294 uint8_t payload[MAX(MC_CMD_GET_PHY_CFG_IN_LEN, 1295 MC_CMD_GET_PHY_CFG_OUT_LEN)]; 1296 efx_rc_t rc; 1297 1298 (void) memset(payload, 0, sizeof (payload)); 1299 req.emr_cmd = MC_CMD_GET_PHY_CFG; 1300 req.emr_in_buf = payload; 1301 req.emr_in_length = MC_CMD_GET_PHY_CFG_IN_LEN; 1302 req.emr_out_buf = payload; 1303 req.emr_out_length = MC_CMD_GET_PHY_CFG_OUT_LEN; 1304 1305 efx_mcdi_execute(enp, &req); 1306 1307 if (req.emr_rc != 0) { 1308 rc = req.emr_rc; 1309 goto fail1; 1310 } 1311 1312 if (req.emr_out_length_used < MC_CMD_GET_PHY_CFG_OUT_LEN) { 1313 rc = EMSGSIZE; 1314 goto fail2; 1315 } 1316 1317 encp->enc_phy_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_TYPE); 1318 #if EFSYS_OPT_NAMES 1319 (void) strncpy(encp->enc_phy_name, 1320 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME), 1321 MIN(sizeof (encp->enc_phy_name) - 1, 1322 MC_CMD_GET_PHY_CFG_OUT_NAME_LEN)); 1323 #endif /* EFSYS_OPT_NAMES */ 1324 (void) memset(encp->enc_phy_revision, 0, 1325 sizeof (encp->enc_phy_revision)); 1326 memcpy(encp->enc_phy_revision, 1327 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_REVISION), 1328 MIN(sizeof (encp->enc_phy_revision) - 1, 1329 MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN)); 1330 #if EFSYS_OPT_PHY_LED_CONTROL 1331 encp->enc_led_mask = ((1 << EFX_PHY_LED_DEFAULT) | 1332 (1 << EFX_PHY_LED_OFF) | 1333 (1 << EFX_PHY_LED_ON)); 1334 #endif /* EFSYS_OPT_PHY_LED_CONTROL */ 1335 1336 #if EFSYS_OPT_PHY_PROPS 1337 encp->enc_phy_nprops = 0; 1338 #endif /* EFSYS_OPT_PHY_PROPS */ 1339 1340 /* Get the media type of the fixed port, if recognised. */ 1341 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XAUI == EFX_PHY_MEDIA_XAUI); 1342 EFX_STATIC_ASSERT(MC_CMD_MEDIA_CX4 == EFX_PHY_MEDIA_CX4); 1343 EFX_STATIC_ASSERT(MC_CMD_MEDIA_KX4 == EFX_PHY_MEDIA_KX4); 1344 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XFP == EFX_PHY_MEDIA_XFP); 1345 EFX_STATIC_ASSERT(MC_CMD_MEDIA_SFP_PLUS == EFX_PHY_MEDIA_SFP_PLUS); 1346 EFX_STATIC_ASSERT(MC_CMD_MEDIA_BASE_T == EFX_PHY_MEDIA_BASE_T); 1347 EFX_STATIC_ASSERT(MC_CMD_MEDIA_QSFP_PLUS == EFX_PHY_MEDIA_QSFP_PLUS); 1348 epp->ep_fixed_port_type = 1349 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_MEDIA_TYPE); 1350 if (epp->ep_fixed_port_type >= EFX_PHY_MEDIA_NTYPES) 1351 epp->ep_fixed_port_type = EFX_PHY_MEDIA_INVALID; 1352 1353 epp->ep_phy_cap_mask = 1354 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_SUPPORTED_CAP); 1355 #if EFSYS_OPT_PHY_FLAGS 1356 encp->enc_phy_flags_mask = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_FLAGS); 1357 #endif /* EFSYS_OPT_PHY_FLAGS */ 1358 1359 encp->enc_port = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_PRT); 1360 1361 /* Populate internal state */ 1362 encp->enc_mcdi_mdio_channel = 1363 (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_CHANNEL); 1364 1365 #if EFSYS_OPT_PHY_STATS 1366 encp->enc_mcdi_phy_stat_mask = 1367 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_STATS_MASK); 1368 #endif /* EFSYS_OPT_PHY_STATS */ 1369 1370 #if EFSYS_OPT_BIST 1371 encp->enc_bist_mask = 0; 1372 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS, 1373 GET_PHY_CFG_OUT_BIST_CABLE_SHORT)) 1374 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_SHORT); 1375 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS, 1376 GET_PHY_CFG_OUT_BIST_CABLE_LONG)) 1377 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_LONG); 1378 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS, 1379 GET_PHY_CFG_OUT_BIST)) 1380 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_NORMAL); 1381 #endif /* EFSYS_OPT_BIST */ 1382 1383 return (0); 1384 1385 fail2: 1386 EFSYS_PROBE(fail2); 1387 fail1: 1388 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1389 1390 return (rc); 1391 } 1392 1393 __checkReturn efx_rc_t 1394 efx_mcdi_firmware_update_supported( 1395 __in efx_nic_t *enp, 1396 __out boolean_t *supportedp) 1397 { 1398 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 1399 efx_rc_t rc; 1400 1401 if (emcop != NULL) { 1402 if ((rc = emcop->emco_feature_supported(enp, 1403 EFX_MCDI_FEATURE_FW_UPDATE, supportedp)) != 0) 1404 goto fail1; 1405 } else { 1406 /* Earlier devices always supported updates */ 1407 *supportedp = B_TRUE; 1408 } 1409 1410 return (0); 1411 1412 fail1: 1413 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1414 1415 return (rc); 1416 } 1417 1418 __checkReturn efx_rc_t 1419 efx_mcdi_macaddr_change_supported( 1420 __in efx_nic_t *enp, 1421 __out boolean_t *supportedp) 1422 { 1423 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 1424 efx_rc_t rc; 1425 1426 if (emcop != NULL) { 1427 if ((rc = emcop->emco_feature_supported(enp, 1428 EFX_MCDI_FEATURE_MACADDR_CHANGE, supportedp)) != 0) 1429 goto fail1; 1430 } else { 1431 /* Earlier devices always supported MAC changes */ 1432 *supportedp = B_TRUE; 1433 } 1434 1435 return (0); 1436 1437 fail1: 1438 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1439 1440 return (rc); 1441 } 1442 1443 __checkReturn efx_rc_t 1444 efx_mcdi_link_control_supported( 1445 __in efx_nic_t *enp, 1446 __out boolean_t *supportedp) 1447 { 1448 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 1449 efx_rc_t rc; 1450 1451 if (emcop != NULL) { 1452 if ((rc = emcop->emco_feature_supported(enp, 1453 EFX_MCDI_FEATURE_LINK_CONTROL, supportedp)) != 0) 1454 goto fail1; 1455 } else { 1456 /* Earlier devices always supported link control */ 1457 *supportedp = B_TRUE; 1458 } 1459 1460 return (0); 1461 1462 fail1: 1463 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1464 1465 return (rc); 1466 } 1467 1468 __checkReturn efx_rc_t 1469 efx_mcdi_mac_spoofing_supported( 1470 __in efx_nic_t *enp, 1471 __out boolean_t *supportedp) 1472 { 1473 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop; 1474 efx_rc_t rc; 1475 1476 if (emcop != NULL) { 1477 if ((rc = emcop->emco_feature_supported(enp, 1478 EFX_MCDI_FEATURE_MAC_SPOOFING, supportedp)) != 0) 1479 goto fail1; 1480 } else { 1481 /* Earlier devices always supported MAC spoofing */ 1482 *supportedp = B_TRUE; 1483 } 1484 1485 return (0); 1486 1487 fail1: 1488 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1489 1490 return (rc); 1491 } 1492 1493 #if EFSYS_OPT_BIST 1494 1495 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 1496 /* 1497 * Enter bist offline mode. This is a fw mode which puts the NIC into a state 1498 * where memory BIST tests can be run and not much else can interfere or happen. 1499 * A reboot is required to exit this mode. 1500 */ 1501 __checkReturn efx_rc_t 1502 efx_mcdi_bist_enable_offline( 1503 __in efx_nic_t *enp) 1504 { 1505 efx_mcdi_req_t req; 1506 efx_rc_t rc; 1507 1508 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_IN_LEN == 0); 1509 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_OUT_LEN == 0); 1510 1511 req.emr_cmd = MC_CMD_ENABLE_OFFLINE_BIST; 1512 req.emr_in_buf = NULL; 1513 req.emr_in_length = 0; 1514 req.emr_out_buf = NULL; 1515 req.emr_out_length = 0; 1516 1517 efx_mcdi_execute(enp, &req); 1518 1519 if (req.emr_rc != 0) { 1520 rc = req.emr_rc; 1521 goto fail1; 1522 } 1523 1524 return (0); 1525 1526 fail1: 1527 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1528 1529 return (rc); 1530 } 1531 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 1532 1533 __checkReturn efx_rc_t 1534 efx_mcdi_bist_start( 1535 __in efx_nic_t *enp, 1536 __in efx_bist_type_t type) 1537 { 1538 efx_mcdi_req_t req; 1539 uint8_t payload[MAX(MC_CMD_START_BIST_IN_LEN, 1540 MC_CMD_START_BIST_OUT_LEN)]; 1541 efx_rc_t rc; 1542 1543 (void) memset(payload, 0, sizeof (payload)); 1544 req.emr_cmd = MC_CMD_START_BIST; 1545 req.emr_in_buf = payload; 1546 req.emr_in_length = MC_CMD_START_BIST_IN_LEN; 1547 req.emr_out_buf = payload; 1548 req.emr_out_length = MC_CMD_START_BIST_OUT_LEN; 1549 1550 switch (type) { 1551 case EFX_BIST_TYPE_PHY_NORMAL: 1552 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, MC_CMD_PHY_BIST); 1553 break; 1554 case EFX_BIST_TYPE_PHY_CABLE_SHORT: 1555 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, 1556 MC_CMD_PHY_BIST_CABLE_SHORT); 1557 break; 1558 case EFX_BIST_TYPE_PHY_CABLE_LONG: 1559 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, 1560 MC_CMD_PHY_BIST_CABLE_LONG); 1561 break; 1562 case EFX_BIST_TYPE_MC_MEM: 1563 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, 1564 MC_CMD_MC_MEM_BIST); 1565 break; 1566 case EFX_BIST_TYPE_SAT_MEM: 1567 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, 1568 MC_CMD_PORT_MEM_BIST); 1569 break; 1570 case EFX_BIST_TYPE_REG: 1571 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, 1572 MC_CMD_REG_BIST); 1573 break; 1574 default: 1575 EFSYS_ASSERT(0); 1576 } 1577 1578 efx_mcdi_execute(enp, &req); 1579 1580 if (req.emr_rc != 0) { 1581 rc = req.emr_rc; 1582 goto fail1; 1583 } 1584 1585 return (0); 1586 1587 fail1: 1588 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1589 1590 return (rc); 1591 } 1592 1593 #endif /* EFSYS_OPT_BIST */ 1594 1595 1596 /* Enable logging of some events (e.g. link state changes) */ 1597 __checkReturn efx_rc_t 1598 efx_mcdi_log_ctrl( 1599 __in efx_nic_t *enp) 1600 { 1601 efx_mcdi_req_t req; 1602 uint8_t payload[MAX(MC_CMD_LOG_CTRL_IN_LEN, 1603 MC_CMD_LOG_CTRL_OUT_LEN)]; 1604 efx_rc_t rc; 1605 1606 (void) memset(payload, 0, sizeof (payload)); 1607 req.emr_cmd = MC_CMD_LOG_CTRL; 1608 req.emr_in_buf = payload; 1609 req.emr_in_length = MC_CMD_LOG_CTRL_IN_LEN; 1610 req.emr_out_buf = payload; 1611 req.emr_out_length = MC_CMD_LOG_CTRL_OUT_LEN; 1612 1613 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST, 1614 MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ); 1615 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST_EVQ, 0); 1616 1617 efx_mcdi_execute(enp, &req); 1618 1619 if (req.emr_rc != 0) { 1620 rc = req.emr_rc; 1621 goto fail1; 1622 } 1623 1624 return (0); 1625 1626 fail1: 1627 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1628 1629 return (rc); 1630 } 1631 1632 1633 #if EFSYS_OPT_MAC_STATS 1634 1635 typedef enum efx_stats_action_e 1636 { 1637 EFX_STATS_CLEAR, 1638 EFX_STATS_UPLOAD, 1639 EFX_STATS_ENABLE_NOEVENTS, 1640 EFX_STATS_ENABLE_EVENTS, 1641 EFX_STATS_DISABLE, 1642 } efx_stats_action_t; 1643 1644 static __checkReturn efx_rc_t 1645 efx_mcdi_mac_stats( 1646 __in efx_nic_t *enp, 1647 __in_opt efsys_mem_t *esmp, 1648 __in efx_stats_action_t action) 1649 { 1650 efx_mcdi_req_t req; 1651 uint8_t payload[MAX(MC_CMD_MAC_STATS_IN_LEN, 1652 MC_CMD_MAC_STATS_OUT_DMA_LEN)]; 1653 int clear = (action == EFX_STATS_CLEAR); 1654 int upload = (action == EFX_STATS_UPLOAD); 1655 int enable = (action == EFX_STATS_ENABLE_NOEVENTS); 1656 int events = (action == EFX_STATS_ENABLE_EVENTS); 1657 int disable = (action == EFX_STATS_DISABLE); 1658 efx_rc_t rc; 1659 1660 (void) memset(payload, 0, sizeof (payload)); 1661 req.emr_cmd = MC_CMD_MAC_STATS; 1662 req.emr_in_buf = payload; 1663 req.emr_in_length = MC_CMD_MAC_STATS_IN_LEN; 1664 req.emr_out_buf = payload; 1665 req.emr_out_length = MC_CMD_MAC_STATS_OUT_DMA_LEN; 1666 1667 MCDI_IN_POPULATE_DWORD_6(req, MAC_STATS_IN_CMD, 1668 MAC_STATS_IN_DMA, upload, 1669 MAC_STATS_IN_CLEAR, clear, 1670 MAC_STATS_IN_PERIODIC_CHANGE, enable | events | disable, 1671 MAC_STATS_IN_PERIODIC_ENABLE, enable | events, 1672 MAC_STATS_IN_PERIODIC_NOEVENT, !events, 1673 MAC_STATS_IN_PERIOD_MS, (enable | events) ? 1000: 0); 1674 1675 if (esmp != NULL) { 1676 int bytes = MC_CMD_MAC_NSTATS * sizeof (uint64_t); 1677 1678 EFX_STATIC_ASSERT(MC_CMD_MAC_NSTATS * sizeof (uint64_t) <= 1679 EFX_MAC_STATS_SIZE); 1680 1681 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO, 1682 EFSYS_MEM_ADDR(esmp) & 0xffffffff); 1683 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI, 1684 EFSYS_MEM_ADDR(esmp) >> 32); 1685 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes); 1686 } else { 1687 EFSYS_ASSERT(!upload && !enable && !events); 1688 } 1689 1690 /* 1691 * NOTE: Do not use EVB_PORT_ID_ASSIGNED when disabling periodic stats, 1692 * as this may fail (and leave periodic DMA enabled) if the 1693 * vadapter has already been deleted. 1694 */ 1695 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_PORT_ID, 1696 (disable ? EVB_PORT_ID_NULL : enp->en_vport_id)); 1697 1698 efx_mcdi_execute(enp, &req); 1699 1700 if (req.emr_rc != 0) { 1701 /* EF10: Expect ENOENT if no DMA queues are initialised */ 1702 if ((req.emr_rc != ENOENT) || 1703 (enp->en_rx_qcount + enp->en_tx_qcount != 0)) { 1704 rc = req.emr_rc; 1705 goto fail1; 1706 } 1707 } 1708 1709 return (0); 1710 1711 fail1: 1712 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1713 1714 return (rc); 1715 } 1716 1717 __checkReturn efx_rc_t 1718 efx_mcdi_mac_stats_clear( 1719 __in efx_nic_t *enp) 1720 { 1721 efx_rc_t rc; 1722 1723 if ((rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_CLEAR)) != 0) 1724 goto fail1; 1725 1726 return (0); 1727 1728 fail1: 1729 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1730 1731 return (rc); 1732 } 1733 1734 __checkReturn efx_rc_t 1735 efx_mcdi_mac_stats_upload( 1736 __in efx_nic_t *enp, 1737 __in efsys_mem_t *esmp) 1738 { 1739 efx_rc_t rc; 1740 1741 /* 1742 * The MC DMAs aggregate statistics for our convenience, so we can 1743 * avoid having to pull the statistics buffer into the cache to 1744 * maintain cumulative statistics. 1745 */ 1746 if ((rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_UPLOAD)) != 0) 1747 goto fail1; 1748 1749 return (0); 1750 1751 fail1: 1752 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1753 1754 return (rc); 1755 } 1756 1757 __checkReturn efx_rc_t 1758 efx_mcdi_mac_stats_periodic( 1759 __in efx_nic_t *enp, 1760 __in efsys_mem_t *esmp, 1761 __in uint16_t period, 1762 __in boolean_t events) 1763 { 1764 efx_rc_t rc; 1765 1766 /* 1767 * The MC DMAs aggregate statistics for our convenience, so we can 1768 * avoid having to pull the statistics buffer into the cache to 1769 * maintain cumulative statistics. 1770 * Huntington uses a fixed 1sec period, so use that on Siena too. 1771 */ 1772 if (period == 0) 1773 rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_DISABLE); 1774 else if (events) 1775 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_EVENTS); 1776 else 1777 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_NOEVENTS); 1778 1779 if (rc != 0) 1780 goto fail1; 1781 1782 return (0); 1783 1784 fail1: 1785 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1786 1787 return (rc); 1788 } 1789 1790 #endif /* EFSYS_OPT_MAC_STATS */ 1791 1792 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 1793 1794 /* 1795 * This function returns the pf and vf number of a function. If it is a pf the 1796 * vf number is 0xffff. The vf number is the index of the vf on that 1797 * function. So if you have 3 vfs on pf 0 the 3 vfs will return (pf=0,vf=0), 1798 * (pf=0,vf=1), (pf=0,vf=2) aand the pf will return (pf=0, vf=0xffff). 1799 */ 1800 __checkReturn efx_rc_t 1801 efx_mcdi_get_function_info( 1802 __in efx_nic_t *enp, 1803 __out uint32_t *pfp, 1804 __out_opt uint32_t *vfp) 1805 { 1806 efx_mcdi_req_t req; 1807 uint8_t payload[MAX(MC_CMD_GET_FUNCTION_INFO_IN_LEN, 1808 MC_CMD_GET_FUNCTION_INFO_OUT_LEN)]; 1809 efx_rc_t rc; 1810 1811 (void) memset(payload, 0, sizeof (payload)); 1812 req.emr_cmd = MC_CMD_GET_FUNCTION_INFO; 1813 req.emr_in_buf = payload; 1814 req.emr_in_length = MC_CMD_GET_FUNCTION_INFO_IN_LEN; 1815 req.emr_out_buf = payload; 1816 req.emr_out_length = MC_CMD_GET_FUNCTION_INFO_OUT_LEN; 1817 1818 efx_mcdi_execute(enp, &req); 1819 1820 if (req.emr_rc != 0) { 1821 rc = req.emr_rc; 1822 goto fail1; 1823 } 1824 1825 if (req.emr_out_length_used < MC_CMD_GET_FUNCTION_INFO_OUT_LEN) { 1826 rc = EMSGSIZE; 1827 goto fail2; 1828 } 1829 1830 *pfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_PF); 1831 if (vfp != NULL) 1832 *vfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_VF); 1833 1834 return (0); 1835 1836 fail2: 1837 EFSYS_PROBE(fail2); 1838 fail1: 1839 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1840 1841 return (rc); 1842 } 1843 1844 __checkReturn efx_rc_t 1845 efx_mcdi_privilege_mask( 1846 __in efx_nic_t *enp, 1847 __in uint32_t pf, 1848 __in uint32_t vf, 1849 __out uint32_t *maskp) 1850 { 1851 efx_mcdi_req_t req; 1852 uint8_t payload[MAX(MC_CMD_PRIVILEGE_MASK_IN_LEN, 1853 MC_CMD_PRIVILEGE_MASK_OUT_LEN)]; 1854 efx_rc_t rc; 1855 1856 (void) memset(payload, 0, sizeof (payload)); 1857 req.emr_cmd = MC_CMD_PRIVILEGE_MASK; 1858 req.emr_in_buf = payload; 1859 req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN; 1860 req.emr_out_buf = payload; 1861 req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN; 1862 1863 MCDI_IN_POPULATE_DWORD_2(req, PRIVILEGE_MASK_IN_FUNCTION, 1864 PRIVILEGE_MASK_IN_FUNCTION_PF, pf, 1865 PRIVILEGE_MASK_IN_FUNCTION_VF, vf); 1866 1867 efx_mcdi_execute(enp, &req); 1868 1869 if (req.emr_rc != 0) { 1870 rc = req.emr_rc; 1871 goto fail1; 1872 } 1873 1874 if (req.emr_out_length_used < MC_CMD_PRIVILEGE_MASK_OUT_LEN) { 1875 rc = EMSGSIZE; 1876 goto fail2; 1877 } 1878 1879 *maskp = MCDI_OUT_DWORD(req, PRIVILEGE_MASK_OUT_OLD_MASK); 1880 1881 return (0); 1882 1883 fail2: 1884 EFSYS_PROBE(fail2); 1885 fail1: 1886 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1887 1888 return (rc); 1889 } 1890 1891 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 1892 1893 __checkReturn efx_rc_t 1894 efx_mcdi_set_workaround( 1895 __in efx_nic_t *enp, 1896 __in uint32_t type, 1897 __in boolean_t enabled, 1898 __out_opt uint32_t *flagsp) 1899 { 1900 efx_mcdi_req_t req; 1901 uint8_t payload[MAX(MC_CMD_WORKAROUND_IN_LEN, 1902 MC_CMD_WORKAROUND_EXT_OUT_LEN)]; 1903 efx_rc_t rc; 1904 1905 (void) memset(payload, 0, sizeof (payload)); 1906 req.emr_cmd = MC_CMD_WORKAROUND; 1907 req.emr_in_buf = payload; 1908 req.emr_in_length = MC_CMD_WORKAROUND_IN_LEN; 1909 req.emr_out_buf = payload; 1910 req.emr_out_length = MC_CMD_WORKAROUND_OUT_LEN; 1911 1912 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_TYPE, type); 1913 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_ENABLED, enabled ? 1 : 0); 1914 1915 efx_mcdi_execute_quiet(enp, &req); 1916 1917 if (req.emr_rc != 0) { 1918 rc = req.emr_rc; 1919 goto fail1; 1920 } 1921 1922 if (flagsp != NULL) { 1923 if (req.emr_out_length_used >= MC_CMD_WORKAROUND_EXT_OUT_LEN) 1924 *flagsp = MCDI_OUT_DWORD(req, WORKAROUND_EXT_OUT_FLAGS); 1925 else 1926 *flagsp = 0; 1927 } 1928 1929 return (0); 1930 1931 fail1: 1932 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1933 1934 return (rc); 1935 } 1936 1937 1938 __checkReturn efx_rc_t 1939 efx_mcdi_get_workarounds( 1940 __in efx_nic_t *enp, 1941 __out_opt uint32_t *implementedp, 1942 __out_opt uint32_t *enabledp) 1943 { 1944 efx_mcdi_req_t req; 1945 uint8_t payload[MC_CMD_GET_WORKAROUNDS_OUT_LEN]; 1946 efx_rc_t rc; 1947 1948 (void) memset(payload, 0, sizeof (payload)); 1949 req.emr_cmd = MC_CMD_GET_WORKAROUNDS; 1950 req.emr_in_buf = NULL; 1951 req.emr_in_length = 0; 1952 req.emr_out_buf = payload; 1953 req.emr_out_length = MC_CMD_GET_WORKAROUNDS_OUT_LEN; 1954 1955 efx_mcdi_execute(enp, &req); 1956 1957 if (req.emr_rc != 0) { 1958 rc = req.emr_rc; 1959 goto fail1; 1960 } 1961 1962 if (implementedp != NULL) { 1963 *implementedp = 1964 MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_IMPLEMENTED); 1965 } 1966 1967 if (enabledp != NULL) { 1968 *enabledp = MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_ENABLED); 1969 } 1970 1971 return (0); 1972 1973 fail1: 1974 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1975 1976 return (rc); 1977 } 1978 1979 1980 #endif /* EFSYS_OPT_MCDI */ 1981