mcdi.c revision 05a9320f7e64b69cbf612a69b7358546519ffc30
1/**************************************************************************** 2 * Driver for Solarflare Solarstorm network controllers and boards 3 * Copyright 2008-2011 Solarflare Communications Inc. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published 7 * by the Free Software Foundation, incorporated herein by reference. 8 */ 9 10#include <linux/delay.h> 11#include "net_driver.h" 12#include "nic.h" 13#include "io.h" 14#include "regs.h" 15#include "mcdi_pcol.h" 16#include "phy.h" 17 18/************************************************************************** 19 * 20 * Management-Controller-to-Driver Interface 21 * 22 ************************************************************************** 23 */ 24 25/* Software-defined structure to the shared-memory */ 26#define CMD_NOTIFY_PORT0 0 27#define CMD_NOTIFY_PORT1 4 28#define CMD_PDU_PORT0 0x008 29#define CMD_PDU_PORT1 0x108 30#define REBOOT_FLAG_PORT0 0x3f8 31#define REBOOT_FLAG_PORT1 0x3fc 32 33#define MCDI_RPC_TIMEOUT 10 /*seconds */ 34 35#define MCDI_PDU(efx) \ 36 (efx_port_num(efx) ? CMD_PDU_PORT1 : CMD_PDU_PORT0) 37#define MCDI_DOORBELL(efx) \ 38 (efx_port_num(efx) ? CMD_NOTIFY_PORT1 : CMD_NOTIFY_PORT0) 39#define MCDI_REBOOT_FLAG(efx) \ 40 (efx_port_num(efx) ? REBOOT_FLAG_PORT1 : REBOOT_FLAG_PORT0) 41 42#define SEQ_MASK \ 43 EFX_MASK32(EFX_WIDTH(MCDI_HEADER_SEQ)) 44 45static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx) 46{ 47 struct siena_nic_data *nic_data; 48 EFX_BUG_ON_PARANOID(efx_nic_rev(efx) < EFX_REV_SIENA_A0); 49 nic_data = efx->nic_data; 50 return &nic_data->mcdi; 51} 52 53void efx_mcdi_init(struct efx_nic *efx) 54{ 55 struct efx_mcdi_iface *mcdi; 56 57 if (efx_nic_rev(efx) < EFX_REV_SIENA_A0) 58 return; 59 60 mcdi = efx_mcdi(efx); 61 init_waitqueue_head(&mcdi->wq); 62 spin_lock_init(&mcdi->iface_lock); 63 atomic_set(&mcdi->state, MCDI_STATE_QUIESCENT); 64 mcdi->mode = MCDI_MODE_POLL; 65 66 (void) efx_mcdi_poll_reboot(efx); 67} 68 69static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd, 70 const u8 *inbuf, size_t inlen) 71{ 72 struct efx_mcdi_iface *mcdi = efx_mcdi(efx); 73 unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); 74 unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx); 75 unsigned int i; 76 efx_dword_t hdr; 77 u32 xflags, seqno; 78 79 BUG_ON(atomic_read(&mcdi->state) == MCDI_STATE_QUIESCENT); 80 BUG_ON(inlen & 3 || inlen >= 0x100); 81 82 seqno = mcdi->seqno & SEQ_MASK; 83 xflags = 0; 84 if (mcdi->mode == MCDI_MODE_EVENTS) 85 xflags |= MCDI_HEADER_XFLAGS_EVREQ; 86 87 EFX_POPULATE_DWORD_6(hdr, 88 MCDI_HEADER_RESPONSE, 0, 89 MCDI_HEADER_RESYNC, 1, 90 MCDI_HEADER_CODE, cmd, 91 MCDI_HEADER_DATALEN, inlen, 92 MCDI_HEADER_SEQ, seqno, 93 MCDI_HEADER_XFLAGS, xflags); 94 95 efx_writed(efx, &hdr, pdu); 96 97 for (i = 0; i < inlen; i += 4) 98 _efx_writed(efx, *((__le32 *)(inbuf + i)), pdu + 4 + i); 99 100 /* Ensure the payload is written out before the header */ 101 wmb(); 102 103 /* ring the doorbell with a distinctive value */ 104 _efx_writed(efx, (__force __le32) 0x45789abc, doorbell); 105} 106 107static void efx_mcdi_copyout(struct efx_nic *efx, u8 *outbuf, size_t outlen) 108{ 109 struct efx_mcdi_iface *mcdi = efx_mcdi(efx); 110 unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); 111 int i; 112 113 BUG_ON(atomic_read(&mcdi->state) == MCDI_STATE_QUIESCENT); 114 BUG_ON(outlen & 3 || outlen >= 0x100); 115 116 for (i = 0; i < outlen; i += 4) 117 *((__le32 *)(outbuf + i)) = _efx_readd(efx, pdu + 4 + i); 118} 119 120static int efx_mcdi_poll(struct efx_nic *efx) 121{ 122 struct efx_mcdi_iface *mcdi = efx_mcdi(efx); 123 unsigned int time, finish; 124 unsigned int respseq, respcmd, error; 125 unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); 126 unsigned int rc, spins; 127 efx_dword_t reg; 128 129 /* Check for a reboot atomically with respect to efx_mcdi_copyout() */ 130 rc = -efx_mcdi_poll_reboot(efx); 131 if (rc) 132 goto out; 133 134 /* Poll for completion. Poll quickly (once a us) for the 1st jiffy, 135 * because generally mcdi responses are fast. After that, back off 136 * and poll once a jiffy (approximately) 137 */ 138 spins = TICK_USEC; 139 finish = get_seconds() + MCDI_RPC_TIMEOUT; 140 141 while (1) { 142 if (spins != 0) { 143 --spins; 144 udelay(1); 145 } else { 146 schedule_timeout_uninterruptible(1); 147 } 148 149 time = get_seconds(); 150 151 rmb(); 152 efx_readd(efx, ®, pdu); 153 154 /* All 1's indicates that shared memory is in reset (and is 155 * not a valid header). Wait for it to come out reset before 156 * completing the command */ 157 if (EFX_DWORD_FIELD(reg, EFX_DWORD_0) != 0xffffffff && 158 EFX_DWORD_FIELD(reg, MCDI_HEADER_RESPONSE)) 159 break; 160 161 if (time >= finish) 162 return -ETIMEDOUT; 163 } 164 165 mcdi->resplen = EFX_DWORD_FIELD(reg, MCDI_HEADER_DATALEN); 166 respseq = EFX_DWORD_FIELD(reg, MCDI_HEADER_SEQ); 167 respcmd = EFX_DWORD_FIELD(reg, MCDI_HEADER_CODE); 168 error = EFX_DWORD_FIELD(reg, MCDI_HEADER_ERROR); 169 170 if (error && mcdi->resplen == 0) { 171 netif_err(efx, hw, efx->net_dev, "MC rebooted\n"); 172 rc = EIO; 173 } else if ((respseq ^ mcdi->seqno) & SEQ_MASK) { 174 netif_err(efx, hw, efx->net_dev, 175 "MC response mismatch tx seq 0x%x rx seq 0x%x\n", 176 respseq, mcdi->seqno); 177 rc = EIO; 178 } else if (error) { 179 efx_readd(efx, ®, pdu + 4); 180 switch (EFX_DWORD_FIELD(reg, EFX_DWORD_0)) { 181#define TRANSLATE_ERROR(name) \ 182 case MC_CMD_ERR_ ## name: \ 183 rc = name; \ 184 break 185 TRANSLATE_ERROR(ENOENT); 186 TRANSLATE_ERROR(EINTR); 187 TRANSLATE_ERROR(EACCES); 188 TRANSLATE_ERROR(EBUSY); 189 TRANSLATE_ERROR(EINVAL); 190 TRANSLATE_ERROR(EDEADLK); 191 TRANSLATE_ERROR(ENOSYS); 192 TRANSLATE_ERROR(ETIME); 193#undef TRANSLATE_ERROR 194 default: 195 rc = EIO; 196 break; 197 } 198 } else 199 rc = 0; 200 201out: 202 mcdi->resprc = rc; 203 if (rc) 204 mcdi->resplen = 0; 205 206 /* Return rc=0 like wait_event_timeout() */ 207 return 0; 208} 209 210/* Test and clear MC-rebooted flag for this port/function */ 211int efx_mcdi_poll_reboot(struct efx_nic *efx) 212{ 213 unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_REBOOT_FLAG(efx); 214 efx_dword_t reg; 215 uint32_t value; 216 217 if (efx_nic_rev(efx) < EFX_REV_SIENA_A0) 218 return false; 219 220 efx_readd(efx, ®, addr); 221 value = EFX_DWORD_FIELD(reg, EFX_DWORD_0); 222 223 if (value == 0) 224 return 0; 225 226 EFX_ZERO_DWORD(reg); 227 efx_writed(efx, ®, addr); 228 229 if (value == MC_STATUS_DWORD_ASSERT) 230 return -EINTR; 231 else 232 return -EIO; 233} 234 235static void efx_mcdi_acquire(struct efx_mcdi_iface *mcdi) 236{ 237 /* Wait until the interface becomes QUIESCENT and we win the race 238 * to mark it RUNNING. */ 239 wait_event(mcdi->wq, 240 atomic_cmpxchg(&mcdi->state, 241 MCDI_STATE_QUIESCENT, 242 MCDI_STATE_RUNNING) 243 == MCDI_STATE_QUIESCENT); 244} 245 246static int efx_mcdi_await_completion(struct efx_nic *efx) 247{ 248 struct efx_mcdi_iface *mcdi = efx_mcdi(efx); 249 250 if (wait_event_timeout( 251 mcdi->wq, 252 atomic_read(&mcdi->state) == MCDI_STATE_COMPLETED, 253 msecs_to_jiffies(MCDI_RPC_TIMEOUT * 1000)) == 0) 254 return -ETIMEDOUT; 255 256 /* Check if efx_mcdi_set_mode() switched us back to polled completions. 257 * In which case, poll for completions directly. If efx_mcdi_ev_cpl() 258 * completed the request first, then we'll just end up completing the 259 * request again, which is safe. 260 * 261 * We need an smp_rmb() to synchronise with efx_mcdi_mode_poll(), which 262 * wait_event_timeout() implicitly provides. 263 */ 264 if (mcdi->mode == MCDI_MODE_POLL) 265 return efx_mcdi_poll(efx); 266 267 return 0; 268} 269 270static bool efx_mcdi_complete(struct efx_mcdi_iface *mcdi) 271{ 272 /* If the interface is RUNNING, then move to COMPLETED and wake any 273 * waiters. If the interface isn't in RUNNING then we've received a 274 * duplicate completion after we've already transitioned back to 275 * QUIESCENT. [A subsequent invocation would increment seqno, so would 276 * have failed the seqno check]. 277 */ 278 if (atomic_cmpxchg(&mcdi->state, 279 MCDI_STATE_RUNNING, 280 MCDI_STATE_COMPLETED) == MCDI_STATE_RUNNING) { 281 wake_up(&mcdi->wq); 282 return true; 283 } 284 285 return false; 286} 287 288static void efx_mcdi_release(struct efx_mcdi_iface *mcdi) 289{ 290 atomic_set(&mcdi->state, MCDI_STATE_QUIESCENT); 291 wake_up(&mcdi->wq); 292} 293 294static void efx_mcdi_ev_cpl(struct efx_nic *efx, unsigned int seqno, 295 unsigned int datalen, unsigned int errno) 296{ 297 struct efx_mcdi_iface *mcdi = efx_mcdi(efx); 298 bool wake = false; 299 300 spin_lock(&mcdi->iface_lock); 301 302 if ((seqno ^ mcdi->seqno) & SEQ_MASK) { 303 if (mcdi->credits) 304 /* The request has been cancelled */ 305 --mcdi->credits; 306 else 307 netif_err(efx, hw, efx->net_dev, 308 "MC response mismatch tx seq 0x%x rx " 309 "seq 0x%x\n", seqno, mcdi->seqno); 310 } else { 311 mcdi->resprc = errno; 312 mcdi->resplen = datalen; 313 314 wake = true; 315 } 316 317 spin_unlock(&mcdi->iface_lock); 318 319 if (wake) 320 efx_mcdi_complete(mcdi); 321} 322 323/* Issue the given command by writing the data into the shared memory PDU, 324 * ring the doorbell and wait for completion. Copyout the result. */ 325int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, 326 const u8 *inbuf, size_t inlen, u8 *outbuf, size_t outlen, 327 size_t *outlen_actual) 328{ 329 struct efx_mcdi_iface *mcdi = efx_mcdi(efx); 330 int rc; 331 BUG_ON(efx_nic_rev(efx) < EFX_REV_SIENA_A0); 332 333 efx_mcdi_acquire(mcdi); 334 335 /* Serialise with efx_mcdi_ev_cpl() and efx_mcdi_ev_death() */ 336 spin_lock_bh(&mcdi->iface_lock); 337 ++mcdi->seqno; 338 spin_unlock_bh(&mcdi->iface_lock); 339 340 efx_mcdi_copyin(efx, cmd, inbuf, inlen); 341 342 if (mcdi->mode == MCDI_MODE_POLL) 343 rc = efx_mcdi_poll(efx); 344 else 345 rc = efx_mcdi_await_completion(efx); 346 347 if (rc != 0) { 348 /* Close the race with efx_mcdi_ev_cpl() executing just too late 349 * and completing a request we've just cancelled, by ensuring 350 * that the seqno check therein fails. 351 */ 352 spin_lock_bh(&mcdi->iface_lock); 353 ++mcdi->seqno; 354 ++mcdi->credits; 355 spin_unlock_bh(&mcdi->iface_lock); 356 357 netif_err(efx, hw, efx->net_dev, 358 "MC command 0x%x inlen %d mode %d timed out\n", 359 cmd, (int)inlen, mcdi->mode); 360 } else { 361 size_t resplen; 362 363 /* At the very least we need a memory barrier here to ensure 364 * we pick up changes from efx_mcdi_ev_cpl(). Protect against 365 * a spurious efx_mcdi_ev_cpl() running concurrently by 366 * acquiring the iface_lock. */ 367 spin_lock_bh(&mcdi->iface_lock); 368 rc = -mcdi->resprc; 369 resplen = mcdi->resplen; 370 spin_unlock_bh(&mcdi->iface_lock); 371 372 if (rc == 0) { 373 efx_mcdi_copyout(efx, outbuf, 374 min(outlen, mcdi->resplen + 3) & ~0x3); 375 if (outlen_actual != NULL) 376 *outlen_actual = resplen; 377 } else if (cmd == MC_CMD_REBOOT && rc == -EIO) 378 ; /* Don't reset if MC_CMD_REBOOT returns EIO */ 379 else if (rc == -EIO || rc == -EINTR) { 380 netif_err(efx, hw, efx->net_dev, "MC fatal error %d\n", 381 -rc); 382 efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE); 383 } else 384 netif_dbg(efx, hw, efx->net_dev, 385 "MC command 0x%x inlen %d failed rc=%d\n", 386 cmd, (int)inlen, -rc); 387 } 388 389 efx_mcdi_release(mcdi); 390 return rc; 391} 392 393void efx_mcdi_mode_poll(struct efx_nic *efx) 394{ 395 struct efx_mcdi_iface *mcdi; 396 397 if (efx_nic_rev(efx) < EFX_REV_SIENA_A0) 398 return; 399 400 mcdi = efx_mcdi(efx); 401 if (mcdi->mode == MCDI_MODE_POLL) 402 return; 403 404 /* We can switch from event completion to polled completion, because 405 * mcdi requests are always completed in shared memory. We do this by 406 * switching the mode to POLL'd then completing the request. 407 * efx_mcdi_await_completion() will then call efx_mcdi_poll(). 408 * 409 * We need an smp_wmb() to synchronise with efx_mcdi_await_completion(), 410 * which efx_mcdi_complete() provides for us. 411 */ 412 mcdi->mode = MCDI_MODE_POLL; 413 414 efx_mcdi_complete(mcdi); 415} 416 417void efx_mcdi_mode_event(struct efx_nic *efx) 418{ 419 struct efx_mcdi_iface *mcdi; 420 421 if (efx_nic_rev(efx) < EFX_REV_SIENA_A0) 422 return; 423 424 mcdi = efx_mcdi(efx); 425 426 if (mcdi->mode == MCDI_MODE_EVENTS) 427 return; 428 429 /* We can't switch from polled to event completion in the middle of a 430 * request, because the completion method is specified in the request. 431 * So acquire the interface to serialise the requestors. We don't need 432 * to acquire the iface_lock to change the mode here, but we do need a 433 * write memory barrier ensure that efx_mcdi_rpc() sees it, which 434 * efx_mcdi_acquire() provides. 435 */ 436 efx_mcdi_acquire(mcdi); 437 mcdi->mode = MCDI_MODE_EVENTS; 438 efx_mcdi_release(mcdi); 439} 440 441static void efx_mcdi_ev_death(struct efx_nic *efx, int rc) 442{ 443 struct efx_mcdi_iface *mcdi = efx_mcdi(efx); 444 445 /* If there is an outstanding MCDI request, it has been terminated 446 * either by a BADASSERT or REBOOT event. If the mcdi interface is 447 * in polled mode, then do nothing because the MC reboot handler will 448 * set the header correctly. However, if the mcdi interface is waiting 449 * for a CMDDONE event it won't receive it [and since all MCDI events 450 * are sent to the same queue, we can't be racing with 451 * efx_mcdi_ev_cpl()] 452 * 453 * There's a race here with efx_mcdi_rpc(), because we might receive 454 * a REBOOT event *before* the request has been copied out. In polled 455 * mode (during startup) this is irrelevant, because efx_mcdi_complete() 456 * is ignored. In event mode, this condition is just an edge-case of 457 * receiving a REBOOT event after posting the MCDI request. Did the mc 458 * reboot before or after the copyout? The best we can do always is 459 * just return failure. 460 */ 461 spin_lock(&mcdi->iface_lock); 462 if (efx_mcdi_complete(mcdi)) { 463 if (mcdi->mode == MCDI_MODE_EVENTS) { 464 mcdi->resprc = rc; 465 mcdi->resplen = 0; 466 ++mcdi->credits; 467 } 468 } else 469 /* Nobody was waiting for an MCDI request, so trigger a reset */ 470 efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE); 471 472 spin_unlock(&mcdi->iface_lock); 473} 474 475static unsigned int efx_mcdi_event_link_speed[] = { 476 [MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100, 477 [MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000, 478 [MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000, 479}; 480 481 482static void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev) 483{ 484 u32 flags, fcntl, speed, lpa; 485 486 speed = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_SPEED); 487 EFX_BUG_ON_PARANOID(speed >= ARRAY_SIZE(efx_mcdi_event_link_speed)); 488 speed = efx_mcdi_event_link_speed[speed]; 489 490 flags = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LINK_FLAGS); 491 fcntl = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_FCNTL); 492 lpa = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LP_CAP); 493 494 /* efx->link_state is only modified by efx_mcdi_phy_get_link(), 495 * which is only run after flushing the event queues. Therefore, it 496 * is safe to modify the link state outside of the mac_lock here. 497 */ 498 efx_mcdi_phy_decode_link(efx, &efx->link_state, speed, flags, fcntl); 499 500 efx_mcdi_phy_check_fcntl(efx, lpa); 501 502 efx_link_status_changed(efx); 503} 504 505static const char *const sensor_names[] = { 506 [MC_CMD_SENSOR_CONTROLLER_TEMP] = "Controller temp. sensor", 507 [MC_CMD_SENSOR_PHY_COMMON_TEMP] = "PHY shared temp. sensor", 508 [MC_CMD_SENSOR_CONTROLLER_COOLING] = "Controller cooling", 509 [MC_CMD_SENSOR_PHY0_TEMP] = "PHY 0 temp. sensor", 510 [MC_CMD_SENSOR_PHY0_COOLING] = "PHY 0 cooling", 511 [MC_CMD_SENSOR_PHY1_TEMP] = "PHY 1 temp. sensor", 512 [MC_CMD_SENSOR_PHY1_COOLING] = "PHY 1 cooling", 513 [MC_CMD_SENSOR_IN_1V0] = "1.0V supply sensor", 514 [MC_CMD_SENSOR_IN_1V2] = "1.2V supply sensor", 515 [MC_CMD_SENSOR_IN_1V8] = "1.8V supply sensor", 516 [MC_CMD_SENSOR_IN_2V5] = "2.5V supply sensor", 517 [MC_CMD_SENSOR_IN_3V3] = "3.3V supply sensor", 518 [MC_CMD_SENSOR_IN_12V0] = "12V supply sensor" 519}; 520 521static const char *const sensor_status_names[] = { 522 [MC_CMD_SENSOR_STATE_OK] = "OK", 523 [MC_CMD_SENSOR_STATE_WARNING] = "Warning", 524 [MC_CMD_SENSOR_STATE_FATAL] = "Fatal", 525 [MC_CMD_SENSOR_STATE_BROKEN] = "Device failure", 526}; 527 528static void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev) 529{ 530 unsigned int monitor, state, value; 531 const char *name, *state_txt; 532 monitor = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_MONITOR); 533 state = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_STATE); 534 value = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_VALUE); 535 /* Deal gracefully with the board having more drivers than we 536 * know about, but do not expect new sensor states. */ 537 name = (monitor >= ARRAY_SIZE(sensor_names)) 538 ? "No sensor name available" : 539 sensor_names[monitor]; 540 EFX_BUG_ON_PARANOID(state >= ARRAY_SIZE(sensor_status_names)); 541 state_txt = sensor_status_names[state]; 542 543 netif_err(efx, hw, efx->net_dev, 544 "Sensor %d (%s) reports condition '%s' for raw value %d\n", 545 monitor, name, state_txt, value); 546} 547 548/* Called from falcon_process_eventq for MCDI events */ 549void efx_mcdi_process_event(struct efx_channel *channel, 550 efx_qword_t *event) 551{ 552 struct efx_nic *efx = channel->efx; 553 int code = EFX_QWORD_FIELD(*event, MCDI_EVENT_CODE); 554 u32 data = EFX_QWORD_FIELD(*event, MCDI_EVENT_DATA); 555 556 switch (code) { 557 case MCDI_EVENT_CODE_BADSSERT: 558 netif_err(efx, hw, efx->net_dev, 559 "MC watchdog or assertion failure at 0x%x\n", data); 560 efx_mcdi_ev_death(efx, EINTR); 561 break; 562 563 case MCDI_EVENT_CODE_PMNOTICE: 564 netif_info(efx, wol, efx->net_dev, "MCDI PM event.\n"); 565 break; 566 567 case MCDI_EVENT_CODE_CMDDONE: 568 efx_mcdi_ev_cpl(efx, 569 MCDI_EVENT_FIELD(*event, CMDDONE_SEQ), 570 MCDI_EVENT_FIELD(*event, CMDDONE_DATALEN), 571 MCDI_EVENT_FIELD(*event, CMDDONE_ERRNO)); 572 break; 573 574 case MCDI_EVENT_CODE_LINKCHANGE: 575 efx_mcdi_process_link_change(efx, event); 576 break; 577 case MCDI_EVENT_CODE_SENSOREVT: 578 efx_mcdi_sensor_event(efx, event); 579 break; 580 case MCDI_EVENT_CODE_SCHEDERR: 581 netif_info(efx, hw, efx->net_dev, 582 "MC Scheduler error address=0x%x\n", data); 583 break; 584 case MCDI_EVENT_CODE_REBOOT: 585 netif_info(efx, hw, efx->net_dev, "MC Reboot\n"); 586 efx_mcdi_ev_death(efx, EIO); 587 break; 588 case MCDI_EVENT_CODE_MAC_STATS_DMA: 589 /* MAC stats are gather lazily. We can ignore this. */ 590 break; 591 592 default: 593 netif_err(efx, hw, efx->net_dev, "Unknown MCDI event 0x%x\n", 594 code); 595 } 596} 597 598/************************************************************************** 599 * 600 * Specific request functions 601 * 602 ************************************************************************** 603 */ 604 605void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len) 606{ 607 u8 outbuf[ALIGN(MC_CMD_GET_VERSION_OUT_LEN, 4)]; 608 size_t outlength; 609 const __le16 *ver_words; 610 int rc; 611 612 BUILD_BUG_ON(MC_CMD_GET_VERSION_IN_LEN != 0); 613 614 rc = efx_mcdi_rpc(efx, MC_CMD_GET_VERSION, NULL, 0, 615 outbuf, sizeof(outbuf), &outlength); 616 if (rc) 617 goto fail; 618 619 if (outlength < MC_CMD_GET_VERSION_OUT_LEN) { 620 rc = -EIO; 621 goto fail; 622 } 623 624 ver_words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_OUT_VERSION); 625 snprintf(buf, len, "%u.%u.%u.%u", 626 le16_to_cpu(ver_words[0]), le16_to_cpu(ver_words[1]), 627 le16_to_cpu(ver_words[2]), le16_to_cpu(ver_words[3])); 628 return; 629 630fail: 631 netif_err(efx, probe, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 632 buf[0] = 0; 633} 634 635int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating, 636 bool *was_attached) 637{ 638 u8 inbuf[MC_CMD_DRV_ATTACH_IN_LEN]; 639 u8 outbuf[MC_CMD_DRV_ATTACH_OUT_LEN]; 640 size_t outlen; 641 int rc; 642 643 MCDI_SET_DWORD(inbuf, DRV_ATTACH_IN_NEW_STATE, 644 driver_operating ? 1 : 0); 645 MCDI_SET_DWORD(inbuf, DRV_ATTACH_IN_UPDATE, 1); 646 647 rc = efx_mcdi_rpc(efx, MC_CMD_DRV_ATTACH, inbuf, sizeof(inbuf), 648 outbuf, sizeof(outbuf), &outlen); 649 if (rc) 650 goto fail; 651 if (outlen < MC_CMD_DRV_ATTACH_OUT_LEN) { 652 rc = -EIO; 653 goto fail; 654 } 655 656 if (was_attached != NULL) 657 *was_attached = MCDI_DWORD(outbuf, DRV_ATTACH_OUT_OLD_STATE); 658 return 0; 659 660fail: 661 netif_err(efx, probe, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 662 return rc; 663} 664 665int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address, 666 u16 *fw_subtype_list) 667{ 668 uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMIN]; 669 size_t outlen; 670 int port_num = efx_port_num(efx); 671 int offset; 672 int rc; 673 674 BUILD_BUG_ON(MC_CMD_GET_BOARD_CFG_IN_LEN != 0); 675 676 rc = efx_mcdi_rpc(efx, MC_CMD_GET_BOARD_CFG, NULL, 0, 677 outbuf, sizeof(outbuf), &outlen); 678 if (rc) 679 goto fail; 680 681 if (outlen < MC_CMD_GET_BOARD_CFG_OUT_LENMIN) { 682 rc = -EIO; 683 goto fail; 684 } 685 686 offset = (port_num) 687 ? MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1_OFST 688 : MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_OFST; 689 if (mac_address) 690 memcpy(mac_address, outbuf + offset, ETH_ALEN); 691 if (fw_subtype_list) 692 memcpy(fw_subtype_list, 693 outbuf + MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST, 694 MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MINNUM * 695 sizeof(fw_subtype_list[0])); 696 697 return 0; 698 699fail: 700 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d len=%d\n", 701 __func__, rc, (int)outlen); 702 703 return rc; 704} 705 706int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart, u32 dest_evq) 707{ 708 u8 inbuf[MC_CMD_LOG_CTRL_IN_LEN]; 709 u32 dest = 0; 710 int rc; 711 712 if (uart) 713 dest |= MC_CMD_LOG_CTRL_IN_LOG_DEST_UART; 714 if (evq) 715 dest |= MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ; 716 717 MCDI_SET_DWORD(inbuf, LOG_CTRL_IN_LOG_DEST, dest); 718 MCDI_SET_DWORD(inbuf, LOG_CTRL_IN_LOG_DEST_EVQ, dest_evq); 719 720 BUILD_BUG_ON(MC_CMD_LOG_CTRL_OUT_LEN != 0); 721 722 rc = efx_mcdi_rpc(efx, MC_CMD_LOG_CTRL, inbuf, sizeof(inbuf), 723 NULL, 0, NULL); 724 if (rc) 725 goto fail; 726 727 return 0; 728 729fail: 730 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 731 return rc; 732} 733 734int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out) 735{ 736 u8 outbuf[MC_CMD_NVRAM_TYPES_OUT_LEN]; 737 size_t outlen; 738 int rc; 739 740 BUILD_BUG_ON(MC_CMD_NVRAM_TYPES_IN_LEN != 0); 741 742 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_TYPES, NULL, 0, 743 outbuf, sizeof(outbuf), &outlen); 744 if (rc) 745 goto fail; 746 if (outlen < MC_CMD_NVRAM_TYPES_OUT_LEN) { 747 rc = -EIO; 748 goto fail; 749 } 750 751 *nvram_types_out = MCDI_DWORD(outbuf, NVRAM_TYPES_OUT_TYPES); 752 return 0; 753 754fail: 755 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", 756 __func__, rc); 757 return rc; 758} 759 760int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type, 761 size_t *size_out, size_t *erase_size_out, 762 bool *protected_out) 763{ 764 u8 inbuf[MC_CMD_NVRAM_INFO_IN_LEN]; 765 u8 outbuf[MC_CMD_NVRAM_INFO_OUT_LEN]; 766 size_t outlen; 767 int rc; 768 769 MCDI_SET_DWORD(inbuf, NVRAM_INFO_IN_TYPE, type); 770 771 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_INFO, inbuf, sizeof(inbuf), 772 outbuf, sizeof(outbuf), &outlen); 773 if (rc) 774 goto fail; 775 if (outlen < MC_CMD_NVRAM_INFO_OUT_LEN) { 776 rc = -EIO; 777 goto fail; 778 } 779 780 *size_out = MCDI_DWORD(outbuf, NVRAM_INFO_OUT_SIZE); 781 *erase_size_out = MCDI_DWORD(outbuf, NVRAM_INFO_OUT_ERASESIZE); 782 *protected_out = !!(MCDI_DWORD(outbuf, NVRAM_INFO_OUT_FLAGS) & 783 (1 << MC_CMD_NVRAM_INFO_OUT_PROTECTED_LBN)); 784 return 0; 785 786fail: 787 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 788 return rc; 789} 790 791int efx_mcdi_nvram_update_start(struct efx_nic *efx, unsigned int type) 792{ 793 u8 inbuf[MC_CMD_NVRAM_UPDATE_START_IN_LEN]; 794 int rc; 795 796 MCDI_SET_DWORD(inbuf, NVRAM_UPDATE_START_IN_TYPE, type); 797 798 BUILD_BUG_ON(MC_CMD_NVRAM_UPDATE_START_OUT_LEN != 0); 799 800 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_UPDATE_START, inbuf, sizeof(inbuf), 801 NULL, 0, NULL); 802 if (rc) 803 goto fail; 804 805 return 0; 806 807fail: 808 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 809 return rc; 810} 811 812int efx_mcdi_nvram_read(struct efx_nic *efx, unsigned int type, 813 loff_t offset, u8 *buffer, size_t length) 814{ 815 u8 inbuf[MC_CMD_NVRAM_READ_IN_LEN]; 816 u8 outbuf[MC_CMD_NVRAM_READ_OUT_LEN(EFX_MCDI_NVRAM_LEN_MAX)]; 817 size_t outlen; 818 int rc; 819 820 MCDI_SET_DWORD(inbuf, NVRAM_READ_IN_TYPE, type); 821 MCDI_SET_DWORD(inbuf, NVRAM_READ_IN_OFFSET, offset); 822 MCDI_SET_DWORD(inbuf, NVRAM_READ_IN_LENGTH, length); 823 824 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_READ, inbuf, sizeof(inbuf), 825 outbuf, sizeof(outbuf), &outlen); 826 if (rc) 827 goto fail; 828 829 memcpy(buffer, MCDI_PTR(outbuf, NVRAM_READ_OUT_READ_BUFFER), length); 830 return 0; 831 832fail: 833 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 834 return rc; 835} 836 837int efx_mcdi_nvram_write(struct efx_nic *efx, unsigned int type, 838 loff_t offset, const u8 *buffer, size_t length) 839{ 840 u8 inbuf[MC_CMD_NVRAM_WRITE_IN_LEN(EFX_MCDI_NVRAM_LEN_MAX)]; 841 int rc; 842 843 MCDI_SET_DWORD(inbuf, NVRAM_WRITE_IN_TYPE, type); 844 MCDI_SET_DWORD(inbuf, NVRAM_WRITE_IN_OFFSET, offset); 845 MCDI_SET_DWORD(inbuf, NVRAM_WRITE_IN_LENGTH, length); 846 memcpy(MCDI_PTR(inbuf, NVRAM_WRITE_IN_WRITE_BUFFER), buffer, length); 847 848 BUILD_BUG_ON(MC_CMD_NVRAM_WRITE_OUT_LEN != 0); 849 850 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_WRITE, inbuf, 851 ALIGN(MC_CMD_NVRAM_WRITE_IN_LEN(length), 4), 852 NULL, 0, NULL); 853 if (rc) 854 goto fail; 855 856 return 0; 857 858fail: 859 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 860 return rc; 861} 862 863int efx_mcdi_nvram_erase(struct efx_nic *efx, unsigned int type, 864 loff_t offset, size_t length) 865{ 866 u8 inbuf[MC_CMD_NVRAM_ERASE_IN_LEN]; 867 int rc; 868 869 MCDI_SET_DWORD(inbuf, NVRAM_ERASE_IN_TYPE, type); 870 MCDI_SET_DWORD(inbuf, NVRAM_ERASE_IN_OFFSET, offset); 871 MCDI_SET_DWORD(inbuf, NVRAM_ERASE_IN_LENGTH, length); 872 873 BUILD_BUG_ON(MC_CMD_NVRAM_ERASE_OUT_LEN != 0); 874 875 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_ERASE, inbuf, sizeof(inbuf), 876 NULL, 0, NULL); 877 if (rc) 878 goto fail; 879 880 return 0; 881 882fail: 883 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 884 return rc; 885} 886 887int efx_mcdi_nvram_update_finish(struct efx_nic *efx, unsigned int type) 888{ 889 u8 inbuf[MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN]; 890 int rc; 891 892 MCDI_SET_DWORD(inbuf, NVRAM_UPDATE_FINISH_IN_TYPE, type); 893 894 BUILD_BUG_ON(MC_CMD_NVRAM_UPDATE_FINISH_OUT_LEN != 0); 895 896 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_UPDATE_FINISH, inbuf, sizeof(inbuf), 897 NULL, 0, NULL); 898 if (rc) 899 goto fail; 900 901 return 0; 902 903fail: 904 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 905 return rc; 906} 907 908static int efx_mcdi_nvram_test(struct efx_nic *efx, unsigned int type) 909{ 910 u8 inbuf[MC_CMD_NVRAM_TEST_IN_LEN]; 911 u8 outbuf[MC_CMD_NVRAM_TEST_OUT_LEN]; 912 int rc; 913 914 MCDI_SET_DWORD(inbuf, NVRAM_TEST_IN_TYPE, type); 915 916 rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_TEST, inbuf, sizeof(inbuf), 917 outbuf, sizeof(outbuf), NULL); 918 if (rc) 919 return rc; 920 921 switch (MCDI_DWORD(outbuf, NVRAM_TEST_OUT_RESULT)) { 922 case MC_CMD_NVRAM_TEST_PASS: 923 case MC_CMD_NVRAM_TEST_NOTSUPP: 924 return 0; 925 default: 926 return -EIO; 927 } 928} 929 930int efx_mcdi_nvram_test_all(struct efx_nic *efx) 931{ 932 u32 nvram_types; 933 unsigned int type; 934 int rc; 935 936 rc = efx_mcdi_nvram_types(efx, &nvram_types); 937 if (rc) 938 goto fail1; 939 940 type = 0; 941 while (nvram_types != 0) { 942 if (nvram_types & 1) { 943 rc = efx_mcdi_nvram_test(efx, type); 944 if (rc) 945 goto fail2; 946 } 947 type++; 948 nvram_types >>= 1; 949 } 950 951 return 0; 952 953fail2: 954 netif_err(efx, hw, efx->net_dev, "%s: failed type=%u\n", 955 __func__, type); 956fail1: 957 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 958 return rc; 959} 960 961static int efx_mcdi_read_assertion(struct efx_nic *efx) 962{ 963 u8 inbuf[MC_CMD_GET_ASSERTS_IN_LEN]; 964 u8 outbuf[MC_CMD_GET_ASSERTS_OUT_LEN]; 965 unsigned int flags, index, ofst; 966 const char *reason; 967 size_t outlen; 968 int retry; 969 int rc; 970 971 /* Attempt to read any stored assertion state before we reboot 972 * the mcfw out of the assertion handler. Retry twice, once 973 * because a boot-time assertion might cause this command to fail 974 * with EINTR. And once again because GET_ASSERTS can race with 975 * MC_CMD_REBOOT running on the other port. */ 976 retry = 2; 977 do { 978 MCDI_SET_DWORD(inbuf, GET_ASSERTS_IN_CLEAR, 1); 979 rc = efx_mcdi_rpc(efx, MC_CMD_GET_ASSERTS, 980 inbuf, MC_CMD_GET_ASSERTS_IN_LEN, 981 outbuf, sizeof(outbuf), &outlen); 982 } while ((rc == -EINTR || rc == -EIO) && retry-- > 0); 983 984 if (rc) 985 return rc; 986 if (outlen < MC_CMD_GET_ASSERTS_OUT_LEN) 987 return -EIO; 988 989 /* Print out any recorded assertion state */ 990 flags = MCDI_DWORD(outbuf, GET_ASSERTS_OUT_GLOBAL_FLAGS); 991 if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS) 992 return 0; 993 994 reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL) 995 ? "system-level assertion" 996 : (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL) 997 ? "thread-level assertion" 998 : (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED) 999 ? "watchdog reset" 1000 : "unknown assertion"; 1001 netif_err(efx, hw, efx->net_dev, 1002 "MCPU %s at PC = 0x%.8x in thread 0x%.8x\n", reason, 1003 MCDI_DWORD(outbuf, GET_ASSERTS_OUT_SAVED_PC_OFFS), 1004 MCDI_DWORD(outbuf, GET_ASSERTS_OUT_THREAD_OFFS)); 1005 1006 /* Print out the registers */ 1007 ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST; 1008 for (index = 1; index < 32; index++) { 1009 netif_err(efx, hw, efx->net_dev, "R%.2d (?): 0x%.8x\n", index, 1010 MCDI_DWORD2(outbuf, ofst)); 1011 ofst += sizeof(efx_dword_t); 1012 } 1013 1014 return 0; 1015} 1016 1017static void efx_mcdi_exit_assertion(struct efx_nic *efx) 1018{ 1019 u8 inbuf[MC_CMD_REBOOT_IN_LEN]; 1020 1021 /* Atomically reboot the mcfw out of the assertion handler */ 1022 BUILD_BUG_ON(MC_CMD_REBOOT_OUT_LEN != 0); 1023 MCDI_SET_DWORD(inbuf, REBOOT_IN_FLAGS, 1024 MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION); 1025 efx_mcdi_rpc(efx, MC_CMD_REBOOT, inbuf, MC_CMD_REBOOT_IN_LEN, 1026 NULL, 0, NULL); 1027} 1028 1029int efx_mcdi_handle_assertion(struct efx_nic *efx) 1030{ 1031 int rc; 1032 1033 rc = efx_mcdi_read_assertion(efx); 1034 if (rc) 1035 return rc; 1036 1037 efx_mcdi_exit_assertion(efx); 1038 1039 return 0; 1040} 1041 1042void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode) 1043{ 1044 u8 inbuf[MC_CMD_SET_ID_LED_IN_LEN]; 1045 int rc; 1046 1047 BUILD_BUG_ON(EFX_LED_OFF != MC_CMD_LED_OFF); 1048 BUILD_BUG_ON(EFX_LED_ON != MC_CMD_LED_ON); 1049 BUILD_BUG_ON(EFX_LED_DEFAULT != MC_CMD_LED_DEFAULT); 1050 1051 BUILD_BUG_ON(MC_CMD_SET_ID_LED_OUT_LEN != 0); 1052 1053 MCDI_SET_DWORD(inbuf, SET_ID_LED_IN_STATE, mode); 1054 1055 rc = efx_mcdi_rpc(efx, MC_CMD_SET_ID_LED, inbuf, sizeof(inbuf), 1056 NULL, 0, NULL); 1057 if (rc) 1058 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", 1059 __func__, rc); 1060} 1061 1062int efx_mcdi_reset_port(struct efx_nic *efx) 1063{ 1064 int rc = efx_mcdi_rpc(efx, MC_CMD_ENTITY_RESET, NULL, 0, NULL, 0, NULL); 1065 if (rc) 1066 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", 1067 __func__, rc); 1068 return rc; 1069} 1070 1071int efx_mcdi_reset_mc(struct efx_nic *efx) 1072{ 1073 u8 inbuf[MC_CMD_REBOOT_IN_LEN]; 1074 int rc; 1075 1076 BUILD_BUG_ON(MC_CMD_REBOOT_OUT_LEN != 0); 1077 MCDI_SET_DWORD(inbuf, REBOOT_IN_FLAGS, 0); 1078 rc = efx_mcdi_rpc(efx, MC_CMD_REBOOT, inbuf, sizeof(inbuf), 1079 NULL, 0, NULL); 1080 /* White is black, and up is down */ 1081 if (rc == -EIO) 1082 return 0; 1083 if (rc == 0) 1084 rc = -EIO; 1085 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 1086 return rc; 1087} 1088 1089static int efx_mcdi_wol_filter_set(struct efx_nic *efx, u32 type, 1090 const u8 *mac, int *id_out) 1091{ 1092 u8 inbuf[MC_CMD_WOL_FILTER_SET_IN_LEN]; 1093 u8 outbuf[MC_CMD_WOL_FILTER_SET_OUT_LEN]; 1094 size_t outlen; 1095 int rc; 1096 1097 MCDI_SET_DWORD(inbuf, WOL_FILTER_SET_IN_WOL_TYPE, type); 1098 MCDI_SET_DWORD(inbuf, WOL_FILTER_SET_IN_FILTER_MODE, 1099 MC_CMD_FILTER_MODE_SIMPLE); 1100 memcpy(MCDI_PTR(inbuf, WOL_FILTER_SET_IN_MAGIC_MAC), mac, ETH_ALEN); 1101 1102 rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_SET, inbuf, sizeof(inbuf), 1103 outbuf, sizeof(outbuf), &outlen); 1104 if (rc) 1105 goto fail; 1106 1107 if (outlen < MC_CMD_WOL_FILTER_SET_OUT_LEN) { 1108 rc = -EIO; 1109 goto fail; 1110 } 1111 1112 *id_out = (int)MCDI_DWORD(outbuf, WOL_FILTER_SET_OUT_FILTER_ID); 1113 1114 return 0; 1115 1116fail: 1117 *id_out = -1; 1118 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 1119 return rc; 1120 1121} 1122 1123 1124int 1125efx_mcdi_wol_filter_set_magic(struct efx_nic *efx, const u8 *mac, int *id_out) 1126{ 1127 return efx_mcdi_wol_filter_set(efx, MC_CMD_WOL_TYPE_MAGIC, mac, id_out); 1128} 1129 1130 1131int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out) 1132{ 1133 u8 outbuf[MC_CMD_WOL_FILTER_GET_OUT_LEN]; 1134 size_t outlen; 1135 int rc; 1136 1137 rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_GET, NULL, 0, 1138 outbuf, sizeof(outbuf), &outlen); 1139 if (rc) 1140 goto fail; 1141 1142 if (outlen < MC_CMD_WOL_FILTER_GET_OUT_LEN) { 1143 rc = -EIO; 1144 goto fail; 1145 } 1146 1147 *id_out = (int)MCDI_DWORD(outbuf, WOL_FILTER_GET_OUT_FILTER_ID); 1148 1149 return 0; 1150 1151fail: 1152 *id_out = -1; 1153 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 1154 return rc; 1155} 1156 1157 1158int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id) 1159{ 1160 u8 inbuf[MC_CMD_WOL_FILTER_REMOVE_IN_LEN]; 1161 int rc; 1162 1163 MCDI_SET_DWORD(inbuf, WOL_FILTER_REMOVE_IN_FILTER_ID, (u32)id); 1164 1165 rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_REMOVE, inbuf, sizeof(inbuf), 1166 NULL, 0, NULL); 1167 if (rc) 1168 goto fail; 1169 1170 return 0; 1171 1172fail: 1173 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 1174 return rc; 1175} 1176 1177 1178int efx_mcdi_wol_filter_reset(struct efx_nic *efx) 1179{ 1180 int rc; 1181 1182 rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_RESET, NULL, 0, NULL, 0, NULL); 1183 if (rc) 1184 goto fail; 1185 1186 return 0; 1187 1188fail: 1189 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 1190 return rc; 1191} 1192 1193