drivers/net/sfc/base/siena_phy.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  * Copyright (c) 2009-2018 Solarflare Communications Inc.
   4  * All rights reserved.
   5  */
   6
   7 #include "efx.h"
   8 #include "efx_impl.h"
   9
  10 #if EFSYS_OPT_SIENA
  11
  12 static                  void
  13 siena_phy_decode_cap(
  14         __in            uint32_t mcdi_cap,
  15         __out           uint32_t *maskp)
  16 {
  17         uint32_t mask;
  18
  19         mask = 0;
  20         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN))
  21                 mask |= (1 << EFX_PHY_CAP_10HDX);
  22         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN))
  23                 mask |= (1 << EFX_PHY_CAP_10FDX);
  24         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN))
  25                 mask |= (1 << EFX_PHY_CAP_100HDX);
  26         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN))
  27                 mask |= (1 << EFX_PHY_CAP_100FDX);
  28         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN))
  29                 mask |= (1 << EFX_PHY_CAP_1000HDX);
  30         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
  31                 mask |= (1 << EFX_PHY_CAP_1000FDX);
  32         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
  33                 mask |= (1 << EFX_PHY_CAP_10000FDX);
  34         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
  35                 mask |= (1 << EFX_PHY_CAP_PAUSE);
  36         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
  37                 mask |= (1 << EFX_PHY_CAP_ASYM);
  38         if (mcdi_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
  39                 mask |= (1 << EFX_PHY_CAP_AN);
  40
  41         *maskp = mask;
  42 }
  43
  44 static                  void
  45 siena_phy_decode_link_mode(
  46         __in            efx_nic_t *enp,
  47         __in            uint32_t link_flags,
  48         __in            unsigned int speed,
  49         __in            unsigned int fcntl,
  50         __out           efx_link_mode_t *link_modep,
  51         __out           unsigned int *fcntlp)
  52 {
  53         boolean_t fd = !!(link_flags &
  54                     (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN));
  55         boolean_t up = !!(link_flags &
  56                     (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN));
  57
  58         _NOTE(ARGUNUSED(enp))
  59
  60         if (!up)
  61                 *link_modep = EFX_LINK_DOWN;
  62         else if (speed == 10000 && fd)
  63                 *link_modep = EFX_LINK_10000FDX;
  64         else if (speed == 1000)
  65                 *link_modep = fd ? EFX_LINK_1000FDX : EFX_LINK_1000HDX;
  66         else if (speed == 100)
  67                 *link_modep = fd ? EFX_LINK_100FDX : EFX_LINK_100HDX;
  68         else if (speed == 10)
  69                 *link_modep = fd ? EFX_LINK_10FDX : EFX_LINK_10HDX;
  70         else
  71                 *link_modep = EFX_LINK_UNKNOWN;
  72
  73         if (fcntl == MC_CMD_FCNTL_OFF)
  74                 *fcntlp = 0;
  75         else if (fcntl == MC_CMD_FCNTL_RESPOND)
  76                 *fcntlp = EFX_FCNTL_RESPOND;
  77         else if (fcntl == MC_CMD_FCNTL_BIDIR)
  78                 *fcntlp = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
  79         else {
  80                 EFSYS_PROBE1(mc_pcol_error, int, fcntl);
  81                 *fcntlp = 0;
  82         }
  83 }
  84
  85                         void
  86 siena_phy_link_ev(
  87         __in            efx_nic_t *enp,
  88         __in            efx_qword_t *eqp,
  89         __out           efx_link_mode_t *link_modep)
  90 {
  91         efx_port_t *epp = &(enp->en_port);
  92         unsigned int link_flags;
  93         unsigned int speed;
  94         unsigned int fcntl;
  95         efx_link_mode_t link_mode;
  96         uint32_t lp_cap_mask;
  97
  98         /*
  99          * Convert the LINKCHANGE speed enumeration into mbit/s, in the
 100          * same way as GET_LINK encodes the speed
 101          */
 102         switch (MCDI_EV_FIELD(eqp, LINKCHANGE_SPEED)) {
 103         case MCDI_EVENT_LINKCHANGE_SPEED_100M:
 104                 speed = 100;
 105                 break;
 106         case MCDI_EVENT_LINKCHANGE_SPEED_1G:
 107                 speed = 1000;
 108                 break;
 109         case MCDI_EVENT_LINKCHANGE_SPEED_10G:
 110                 speed = 10000;
 111                 break;
 112         default:
 113                 speed = 0;
 114                 break;
 115         }
 116
 117         link_flags = MCDI_EV_FIELD(eqp, LINKCHANGE_LINK_FLAGS);
 118         siena_phy_decode_link_mode(enp, link_flags, speed,
 119                                     MCDI_EV_FIELD(eqp, LINKCHANGE_FCNTL),
 120                                     &link_mode, &fcntl);
 121         siena_phy_decode_cap(MCDI_EV_FIELD(eqp, LINKCHANGE_LP_CAP),
 122                             &lp_cap_mask);
 123
 124         /*
 125          * It's safe to update ep_lp_cap_mask without the driver's port lock
 126          * because presumably any concurrently running efx_port_poll() is
 127          * only going to arrive at the same value.
 128          *
 129          * ep_fcntl has two meanings. It's either the link common fcntl
 130          * (if the PHY supports AN), or it's the forced link state. If
 131          * the former, it's safe to update the value for the same reason as
 132          * for ep_lp_cap_mask. If the latter, then just ignore the value,
 133          * because we can race with efx_mac_fcntl_set().
 134          */
 135         epp->ep_lp_cap_mask = lp_cap_mask;
 136         if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN))
 137                 epp->ep_fcntl = fcntl;
 138
 139         *link_modep = link_mode;
 140 }
 141
 142         __checkReturn   efx_rc_t
 143 siena_phy_power(
 144         __in            efx_nic_t *enp,
 145         __in            boolean_t power)
 146 {
 147         efx_rc_t rc;
 148
 149         if (!power)
 150                 return (0);
 151
 152         /* Check if the PHY is a zombie */
 153         if ((rc = siena_phy_verify(enp)) != 0)
 154                 goto fail1;
 155
 156         enp->en_reset_flags |= EFX_RESET_PHY;
 157
 158         return (0);
 159
 160 fail1:
 161         EFSYS_PROBE1(fail1, efx_rc_t, rc);
 162
 163         return (rc);
 164 }
 165
 166         __checkReturn   efx_rc_t
 167 siena_phy_get_link(
 168         __in            efx_nic_t *enp,
 169         __out           siena_link_state_t *slsp)
 170 {
 171         efx_mcdi_req_t req;
 172         uint8_t payload[MAX(MC_CMD_GET_LINK_IN_LEN,
 173                             MC_CMD_GET_LINK_OUT_LEN)];
 174         efx_rc_t rc;
 175
 176         (void) memset(payload, 0, sizeof (payload));
 177         req.emr_cmd = MC_CMD_GET_LINK;
 178         req.emr_in_buf = payload;
 179         req.emr_in_length = MC_CMD_GET_LINK_IN_LEN;
 180         req.emr_out_buf = payload;
 181         req.emr_out_length = MC_CMD_GET_LINK_OUT_LEN;
 182
 183         efx_mcdi_execute(enp, &req);
 184
 185         if (req.emr_rc != 0) {
 186                 rc = req.emr_rc;
 187                 goto fail1;
 188         }
 189
 190         if (req.emr_out_length_used < MC_CMD_GET_LINK_OUT_LEN) {
 191                 rc = EMSGSIZE;
 192                 goto fail2;
 193         }
 194
 195         siena_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_CAP),
 196                             &slsp->sls_adv_cap_mask);
 197         siena_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_LP_CAP),
 198                             &slsp->sls_lp_cap_mask);
 199
 200         siena_phy_decode_link_mode(enp, MCDI_OUT_DWORD(req, GET_LINK_OUT_FLAGS),
 201                             MCDI_OUT_DWORD(req, GET_LINK_OUT_LINK_SPEED),
 202                             MCDI_OUT_DWORD(req, GET_LINK_OUT_FCNTL),
 203                             &slsp->sls_link_mode, &slsp->sls_fcntl);
 204
 205 #if EFSYS_OPT_LOOPBACK
 206         /* Assert the MC_CMD_LOOPBACK and EFX_LOOPBACK namespace agree */
 207         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_NONE == EFX_LOOPBACK_OFF);
 208         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_DATA == EFX_LOOPBACK_DATA);
 209         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMAC == EFX_LOOPBACK_GMAC);
 210         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGMII == EFX_LOOPBACK_XGMII);
 211         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGXS == EFX_LOOPBACK_XGXS);
 212         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI == EFX_LOOPBACK_XAUI);
 213         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII == EFX_LOOPBACK_GMII);
 214         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII == EFX_LOOPBACK_SGMII);
 215         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGBR == EFX_LOOPBACK_XGBR);
 216         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI == EFX_LOOPBACK_XFI);
 217         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI_FAR == EFX_LOOPBACK_XAUI_FAR);
 218         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII_FAR == EFX_LOOPBACK_GMII_FAR);
 219         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII_FAR == EFX_LOOPBACK_SGMII_FAR);
 220         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI_FAR == EFX_LOOPBACK_XFI_FAR);
 221         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GPHY == EFX_LOOPBACK_GPHY);
 222         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PHYXS == EFX_LOOPBACK_PHY_XS);
 223         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PCS == EFX_LOOPBACK_PCS);
 224         EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PMAPMD == EFX_LOOPBACK_PMA_PMD);
 225
 226         slsp->sls_loopback = MCDI_OUT_DWORD(req, GET_LINK_OUT_LOOPBACK_MODE);
 227 #endif  /* EFSYS_OPT_LOOPBACK */
 228
 229         slsp->sls_mac_up = MCDI_OUT_DWORD(req, GET_LINK_OUT_MAC_FAULT) == 0;
 230
 231         return (0);
 232
 233 fail2:
 234         EFSYS_PROBE(fail2);
 235 fail1:
 236         EFSYS_PROBE1(fail1, efx_rc_t, rc);
 237
 238         return (rc);
 239 }
 240
 241         __checkReturn   efx_rc_t
 242 siena_phy_reconfigure(
 243         __in            efx_nic_t *enp)
 244 {
 245         efx_port_t *epp = &(enp->en_port);
 246         efx_mcdi_req_t req;
 247         uint8_t payload[MAX(MAX(MC_CMD_SET_ID_LED_IN_LEN,
 248                                 MC_CMD_SET_ID_LED_OUT_LEN),
 249                             MAX(MC_CMD_SET_LINK_IN_LEN,
 250                                 MC_CMD_SET_LINK_OUT_LEN))];
 251         uint32_t cap_mask;
 252 #if EFSYS_OPT_PHY_LED_CONTROL
 253         unsigned int led_mode;
 254 #endif
 255         unsigned int speed;
 256         efx_rc_t rc;
 257
 258         (void) memset(payload, 0, sizeof (payload));
 259         req.emr_cmd = MC_CMD_SET_LINK;
 260         req.emr_in_buf = payload;
 261         req.emr_in_length = MC_CMD_SET_LINK_IN_LEN;
 262         req.emr_out_buf = payload;
 263         req.emr_out_length = MC_CMD_SET_LINK_OUT_LEN;
 264
 265         cap_mask = epp->ep_adv_cap_mask;
 266         MCDI_IN_POPULATE_DWORD_10(req, SET_LINK_IN_CAP,
 267                 PHY_CAP_10HDX, (cap_mask >> EFX_PHY_CAP_10HDX) & 0x1,
 268                 PHY_CAP_10FDX, (cap_mask >> EFX_PHY_CAP_10FDX) & 0x1,
 269                 PHY_CAP_100HDX, (cap_mask >> EFX_PHY_CAP_100HDX) & 0x1,
 270                 PHY_CAP_100FDX, (cap_mask >> EFX_PHY_CAP_100FDX) & 0x1,
 271                 PHY_CAP_1000HDX, (cap_mask >> EFX_PHY_CAP_1000HDX) & 0x1,
 272                 PHY_CAP_1000FDX, (cap_mask >> EFX_PHY_CAP_1000FDX) & 0x1,
 273                 PHY_CAP_10000FDX, (cap_mask >> EFX_PHY_CAP_10000FDX) & 0x1,
 274                 PHY_CAP_PAUSE, (cap_mask >> EFX_PHY_CAP_PAUSE) & 0x1,
 275                 PHY_CAP_ASYM, (cap_mask >> EFX_PHY_CAP_ASYM) & 0x1,
 276                 PHY_CAP_AN, (cap_mask >> EFX_PHY_CAP_AN) & 0x1);
 277
 278 #if EFSYS_OPT_LOOPBACK
 279         MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE,
 280                     epp->ep_loopback_type);
 281         switch (epp->ep_loopback_link_mode) {
 282         case EFX_LINK_100FDX:
 283                 speed = 100;
 284                 break;
 285         case EFX_LINK_1000FDX:
 286                 speed = 1000;
 287                 break;
 288         case EFX_LINK_10000FDX:
 289                 speed = 10000;
 290                 break;
 291         default:
 292                 speed = 0;
 293         }
 294 #else
 295         MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE, MC_CMD_LOOPBACK_NONE);
 296         speed = 0;
 297 #endif  /* EFSYS_OPT_LOOPBACK */
 298         MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_SPEED, speed);
 299
 300 #if EFSYS_OPT_PHY_FLAGS
 301         MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, epp->ep_phy_flags);
 302 #else
 303         MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, 0);
 304 #endif  /* EFSYS_OPT_PHY_FLAGS */
 305
 306         efx_mcdi_execute(enp, &req);
 307
 308         if (req.emr_rc != 0) {
 309                 rc = req.emr_rc;
 310                 goto fail1;
 311         }
 312
 313         /* And set the blink mode */
 314         (void) memset(payload, 0, sizeof (payload));
 315         req.emr_cmd = MC_CMD_SET_ID_LED;
 316         req.emr_in_buf = payload;
 317         req.emr_in_length = MC_CMD_SET_ID_LED_IN_LEN;
 318         req.emr_out_buf = payload;
 319         req.emr_out_length = MC_CMD_SET_ID_LED_OUT_LEN;
 320
 321 #if EFSYS_OPT_PHY_LED_CONTROL
 322         switch (epp->ep_phy_led_mode) {
 323         case EFX_PHY_LED_DEFAULT:
 324                 led_mode = MC_CMD_LED_DEFAULT;
 325                 break;
 326         case EFX_PHY_LED_OFF:
 327                 led_mode = MC_CMD_LED_OFF;
 328                 break;
 329         case EFX_PHY_LED_ON:
 330                 led_mode = MC_CMD_LED_ON;
 331                 break;
 332         default:
 333                 EFSYS_ASSERT(0);
 334                 led_mode = MC_CMD_LED_DEFAULT;
 335         }
 336
 337         MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, led_mode);
 338 #else
 339         MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, MC_CMD_LED_DEFAULT);
 340 #endif  /* EFSYS_OPT_PHY_LED_CONTROL */
 341
 342         efx_mcdi_execute(enp, &req);
 343
 344         if (req.emr_rc != 0) {
 345                 rc = req.emr_rc;
 346                 goto fail2;
 347         }
 348
 349         return (0);
 350
 351 fail2:
 352         EFSYS_PROBE(fail2);
 353 fail1:
 354         EFSYS_PROBE1(fail1, efx_rc_t, rc);
 355
 356         return (rc);
 357 }
 358
 359         __checkReturn   efx_rc_t
 360 siena_phy_verify(
 361         __in            efx_nic_t *enp)
 362 {
 363         efx_mcdi_req_t req;
 364         uint8_t payload[MAX(MC_CMD_GET_PHY_STATE_IN_LEN,
 365                             MC_CMD_GET_PHY_STATE_OUT_LEN)];
 366         uint32_t state;
 367         efx_rc_t rc;
 368
 369         (void) memset(payload, 0, sizeof (payload));
 370         req.emr_cmd = MC_CMD_GET_PHY_STATE;
 371         req.emr_in_buf = payload;
 372         req.emr_in_length = MC_CMD_GET_PHY_STATE_IN_LEN;
 373         req.emr_out_buf = payload;
 374         req.emr_out_length = MC_CMD_GET_PHY_STATE_OUT_LEN;
 375
 376         efx_mcdi_execute(enp, &req);
 377
 378         if (req.emr_rc != 0) {
 379                 rc = req.emr_rc;
 380                 goto fail1;
 381         }
 382
 383         if (req.emr_out_length_used < MC_CMD_GET_PHY_STATE_OUT_LEN) {
 384                 rc = EMSGSIZE;
 385                 goto fail2;
 386         }
 387
 388         state = MCDI_OUT_DWORD(req, GET_PHY_STATE_OUT_STATE);
 389         if (state != MC_CMD_PHY_STATE_OK) {
 390                 if (state != MC_CMD_PHY_STATE_ZOMBIE)
 391                         EFSYS_PROBE1(mc_pcol_error, int, state);
 392                 rc = ENOTACTIVE;
 393                 goto fail3;
 394         }
 395
 396         return (0);
 397
 398 fail3:
 399         EFSYS_PROBE(fail3);
 400 fail2:
 401         EFSYS_PROBE(fail2);
 402 fail1:
 403         EFSYS_PROBE1(fail1, efx_rc_t, rc);
 404
 405         return (rc);
 406 }
 407
 408         __checkReturn   efx_rc_t
 409 siena_phy_oui_get(
 410         __in            efx_nic_t *enp,
 411         __out           uint32_t *ouip)
 412 {
 413         _NOTE(ARGUNUSED(enp, ouip))
 414
 415         return (ENOTSUP);
 416 }
 417
 418 #if EFSYS_OPT_PHY_STATS
 419
 420 #define SIENA_SIMPLE_STAT_SET(_vmask, _esmp, _smask, _stat,             \
 421                             _mc_record, _efx_record)                    \
 422         if ((_vmask) & (1ULL << (_mc_record))) {                        \
 423                 (_smask) |= (1ULL << (_efx_record));                    \
 424                 if ((_stat) != NULL && !EFSYS_MEM_IS_NULL(_esmp)) {     \
 425                         efx_dword_t dword;                              \
 426                         EFSYS_MEM_READD(_esmp, (_mc_record) * 4, &dword);\
 427                         (_stat)[_efx_record] =                          \
 428                                 EFX_DWORD_FIELD(dword, EFX_DWORD_0);    \
 429                 }                                                       \
 430         }
 431
 432 #define SIENA_SIMPLE_STAT_SET2(_vmask, _esmp, _smask, _stat, _record)   \
 433         SIENA_SIMPLE_STAT_SET(_vmask, _esmp, _smask, _stat,             \
 434                             MC_CMD_ ## _record,                         \
 435                             EFX_PHY_STAT_ ## _record)
 436
 437                                                 void
 438 siena_phy_decode_stats(
 439         __in                                    efx_nic_t *enp,
 440         __in                                    uint32_t vmask,
 441         __in_opt                                efsys_mem_t *esmp,
 442         __out_opt                               uint64_t *smaskp,
 443         __inout_ecount_opt(EFX_PHY_NSTATS)      uint32_t *stat)
 444 {
 445         uint64_t smask = 0;
 446
 447         _NOTE(ARGUNUSED(enp))
 448
 449         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, OUI);
 450         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PMA_PMD_LINK_UP);
 451         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PMA_PMD_RX_FAULT);
 452         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PMA_PMD_TX_FAULT);
 453
 454         if (vmask & (1 << MC_CMD_PMA_PMD_SIGNAL)) {
 455                 smask |=   ((1ULL << EFX_PHY_STAT_PMA_PMD_SIGNAL_A) |
 456                             (1ULL << EFX_PHY_STAT_PMA_PMD_SIGNAL_B) |
 457                             (1ULL << EFX_PHY_STAT_PMA_PMD_SIGNAL_C) |
 458                             (1ULL << EFX_PHY_STAT_PMA_PMD_SIGNAL_D));
 459                 if (stat != NULL && esmp != NULL && !EFSYS_MEM_IS_NULL(esmp)) {
 460                         efx_dword_t dword;
 461                         uint32_t sig;
 462                         EFSYS_MEM_READD(esmp, 4 * MC_CMD_PMA_PMD_SIGNAL,
 463                                         &dword);
 464                         sig = EFX_DWORD_FIELD(dword, EFX_DWORD_0);
 465                         stat[EFX_PHY_STAT_PMA_PMD_SIGNAL_A] = (sig >> 1) & 1;
 466                         stat[EFX_PHY_STAT_PMA_PMD_SIGNAL_B] = (sig >> 2) & 1;
 467                         stat[EFX_PHY_STAT_PMA_PMD_SIGNAL_C] = (sig >> 3) & 1;
 468                         stat[EFX_PHY_STAT_PMA_PMD_SIGNAL_D] = (sig >> 4) & 1;
 469                 }
 470         }
 471
 472         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PMA_PMD_SNR_A,
 473                             EFX_PHY_STAT_SNR_A);
 474         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PMA_PMD_SNR_B,
 475                             EFX_PHY_STAT_SNR_B);
 476         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PMA_PMD_SNR_C,
 477                             EFX_PHY_STAT_SNR_C);
 478         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PMA_PMD_SNR_D,
 479                             EFX_PHY_STAT_SNR_D);
 480
 481         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PCS_LINK_UP);
 482         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PCS_RX_FAULT);
 483         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PCS_TX_FAULT);
 484         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PCS_BER);
 485         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, PCS_BLOCK_ERRORS);
 486
 487         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PHYXS_LINK_UP,
 488                             EFX_PHY_STAT_PHY_XS_LINK_UP);
 489         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PHYXS_RX_FAULT,
 490                             EFX_PHY_STAT_PHY_XS_RX_FAULT);
 491         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PHYXS_TX_FAULT,
 492                             EFX_PHY_STAT_PHY_XS_TX_FAULT);
 493         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_PHYXS_ALIGN,
 494                             EFX_PHY_STAT_PHY_XS_ALIGN);
 495
 496         if (vmask & (1 << MC_CMD_PHYXS_SYNC)) {
 497                 smask |=   ((1 << EFX_PHY_STAT_PHY_XS_SYNC_A) |
 498                             (1 << EFX_PHY_STAT_PHY_XS_SYNC_B) |
 499                             (1 << EFX_PHY_STAT_PHY_XS_SYNC_C) |
 500                             (1 << EFX_PHY_STAT_PHY_XS_SYNC_D));
 501                 if (stat != NULL && !EFSYS_MEM_IS_NULL(esmp)) {
 502                         efx_dword_t dword;
 503                         uint32_t sync;
 504                         EFSYS_MEM_READD(esmp, 4 * MC_CMD_PHYXS_SYNC, &dword);
 505                         sync = EFX_DWORD_FIELD(dword, EFX_DWORD_0);
 506                         stat[EFX_PHY_STAT_PHY_XS_SYNC_A] = (sync >> 0) & 1;
 507                         stat[EFX_PHY_STAT_PHY_XS_SYNC_B] = (sync >> 1) & 1;
 508                         stat[EFX_PHY_STAT_PHY_XS_SYNC_C] = (sync >> 2) & 1;
 509                         stat[EFX_PHY_STAT_PHY_XS_SYNC_D] = (sync >> 3) & 1;
 510                 }
 511         }
 512
 513         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, AN_LINK_UP);
 514         SIENA_SIMPLE_STAT_SET2(vmask, esmp, smask, stat, AN_COMPLETE);
 515
 516         SIENA_SIMPLE_STAT_SET(vmask, esmp, smask, stat, MC_CMD_CL22_LINK_UP,
 517                             EFX_PHY_STAT_CL22EXT_LINK_UP);
 518
 519         if (smaskp != NULL)
 520                 *smaskp = smask;
 521 }
 522
 523         __checkReturn                           efx_rc_t
 524 siena_phy_stats_update(
 525         __in                                    efx_nic_t *enp,
 526         __in                                    efsys_mem_t *esmp,
 527         __inout_ecount(EFX_PHY_NSTATS)          uint32_t *stat)
 528 {
 529         efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
 530         uint32_t vmask = encp->enc_mcdi_phy_stat_mask;
 531         uint64_t smask;
 532         efx_mcdi_req_t req;
 533         uint8_t payload[MAX(MC_CMD_PHY_STATS_IN_LEN,
 534                             MC_CMD_PHY_STATS_OUT_DMA_LEN)];
 535         efx_rc_t rc;
 536
 537         if ((esmp == NULL) || (EFSYS_MEM_SIZE(esmp) < EFX_PHY_STATS_SIZE)) {
 538                 rc = EINVAL;
 539                 goto fail1;
 540         }
 541
 542         (void) memset(payload, 0, sizeof (payload));
 543         req.emr_cmd = MC_CMD_PHY_STATS;
 544         req.emr_in_buf = payload;
 545         req.emr_in_length = MC_CMD_PHY_STATS_IN_LEN;
 546         req.emr_out_buf = payload;
 547         req.emr_out_length = MC_CMD_PHY_STATS_OUT_DMA_LEN;
 548
 549         MCDI_IN_SET_DWORD(req, PHY_STATS_IN_DMA_ADDR_LO,
 550                             EFSYS_MEM_ADDR(esmp) & 0xffffffff);
 551         MCDI_IN_SET_DWORD(req, PHY_STATS_IN_DMA_ADDR_HI,
 552                             EFSYS_MEM_ADDR(esmp) >> 32);
 553
 554         efx_mcdi_execute(enp, &req);
 555
 556         if (req.emr_rc != 0) {
 557                 rc = req.emr_rc;
 558                 goto fail2;
 559         }
 560         EFSYS_ASSERT3U(req.emr_out_length, ==, MC_CMD_PHY_STATS_OUT_DMA_LEN);
 561
 562         siena_phy_decode_stats(enp, vmask, esmp, &smask, stat);
 563         EFSYS_ASSERT(smask == encp->enc_phy_stat_mask);
 564
 565         return (0);
 566
 567 fail2:
 568         EFSYS_PROBE(fail2);
 569 fail1:
 570         EFSYS_PROBE1(fail1, efx_rc_t, rc);
 571
 572         return (0);
 573 }
 574
 575 #endif  /* EFSYS_OPT_PHY_STATS */
 576
 577 #if EFSYS_OPT_BIST
 578
 579         __checkReturn           efx_rc_t
 580 siena_phy_bist_start(
 581         __in                    efx_nic_t *enp,
 582         __in                    efx_bist_type_t type)
 583 {
 584         efx_rc_t rc;
 585
 586         if ((rc = efx_mcdi_bist_start(enp, type)) != 0)
 587                 goto fail1;
 588
 589         return (0);
 590
 591 fail1:
 592         EFSYS_PROBE1(fail1, efx_rc_t, rc);
 593
 594         return (rc);
 595 }
 596
 597 static  __checkReturn           unsigned long
 598 siena_phy_sft9001_bist_status(
 599         __in                    uint16_t code)
 600 {
 601         switch (code) {
 602         case MC_CMD_POLL_BIST_SFT9001_PAIR_BUSY:
 603                 return (EFX_PHY_CABLE_STATUS_BUSY);
 604         case MC_CMD_POLL_BIST_SFT9001_INTER_PAIR_SHORT:
 605                 return (EFX_PHY_CABLE_STATUS_INTERPAIRSHORT);
 606         case MC_CMD_POLL_BIST_SFT9001_INTRA_PAIR_SHORT:
 607                 return (EFX_PHY_CABLE_STATUS_INTRAPAIRSHORT);
 608         case MC_CMD_POLL_BIST_SFT9001_PAIR_OPEN:
 609                 return (EFX_PHY_CABLE_STATUS_OPEN);
 610         case MC_CMD_POLL_BIST_SFT9001_PAIR_OK:
 611                 return (EFX_PHY_CABLE_STATUS_OK);
 612         default:
 613                 return (EFX_PHY_CABLE_STATUS_INVALID);
 614         }
 615 }
 616
 617         __checkReturn           efx_rc_t
 618 siena_phy_bist_poll(
 619         __in                    efx_nic_t *enp,
 620         __in                    efx_bist_type_t type,
 621         __out                   efx_bist_result_t *resultp,
 622         __out_opt __drv_when(count > 0, __notnull)
 623         uint32_t *value_maskp,
 624         __out_ecount_opt(count) __drv_when(count > 0, __notnull)
 625         unsigned long *valuesp,
 626         __in                    size_t count)
 627 {
 628         efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
 629         uint8_t payload[MAX(MC_CMD_POLL_BIST_IN_LEN,
 630                             MCDI_CTL_SDU_LEN_MAX)];
 631         uint32_t value_mask = 0;
 632         efx_mcdi_req_t req;
 633         uint32_t result;
 634         efx_rc_t rc;
 635
 636         (void) memset(payload, 0, sizeof (payload));
 637         req.emr_cmd = MC_CMD_POLL_BIST;
 638         req.emr_in_buf = payload;
 639         req.emr_in_length = MC_CMD_POLL_BIST_IN_LEN;
 640         req.emr_out_buf = payload;
 641         req.emr_out_length = MCDI_CTL_SDU_LEN_MAX;
 642
 643         efx_mcdi_execute(enp, &req);
 644
 645         if (req.emr_rc != 0) {
 646                 rc = req.emr_rc;
 647                 goto fail1;
 648         }
 649
 650         if (req.emr_out_length_used < MC_CMD_POLL_BIST_OUT_RESULT_OFST + 4) {
 651                 rc = EMSGSIZE;
 652                 goto fail2;
 653         }
 654
 655         if (count > 0)
 656                 (void) memset(valuesp, '\0', count * sizeof (unsigned long));
 657
 658         result = MCDI_OUT_DWORD(req, POLL_BIST_OUT_RESULT);
 659
 660         /* Extract PHY specific results */
 661         if (result == MC_CMD_POLL_BIST_PASSED &&
 662             encp->enc_phy_type == EFX_PHY_SFT9001B &&
 663             req.emr_out_length_used >= MC_CMD_POLL_BIST_OUT_SFT9001_LEN &&
 664             (type == EFX_BIST_TYPE_PHY_CABLE_SHORT ||
 665             type == EFX_BIST_TYPE_PHY_CABLE_LONG)) {
 666                 uint16_t word;
 667
 668                 if (count > EFX_BIST_PHY_CABLE_LENGTH_A) {
 669                         if (valuesp != NULL)
 670                                 valuesp[EFX_BIST_PHY_CABLE_LENGTH_A] =
 671                                     MCDI_OUT_DWORD(req,
 672                                     POLL_BIST_OUT_SFT9001_CABLE_LENGTH_A);
 673                         value_mask |= (1 << EFX_BIST_PHY_CABLE_LENGTH_A);
 674                 }
 675
 676                 if (count > EFX_BIST_PHY_CABLE_LENGTH_B) {
 677                         if (valuesp != NULL)
 678                                 valuesp[EFX_BIST_PHY_CABLE_LENGTH_B] =
 679                                     MCDI_OUT_DWORD(req,
 680                                     POLL_BIST_OUT_SFT9001_CABLE_LENGTH_B);
 681                         value_mask |= (1 << EFX_BIST_PHY_CABLE_LENGTH_B);
 682                 }
 683
 684                 if (count > EFX_BIST_PHY_CABLE_LENGTH_C) {
 685                         if (valuesp != NULL)
 686                                 valuesp[EFX_BIST_PHY_CABLE_LENGTH_C] =
 687                                     MCDI_OUT_DWORD(req,
 688                                     POLL_BIST_OUT_SFT9001_CABLE_LENGTH_C);
 689                         value_mask |= (1 << EFX_BIST_PHY_CABLE_LENGTH_C);
 690                 }
 691
 692                 if (count > EFX_BIST_PHY_CABLE_LENGTH_D) {
 693                         if (valuesp != NULL)
 694                                 valuesp[EFX_BIST_PHY_CABLE_LENGTH_D] =
 695                                     MCDI_OUT_DWORD(req,
 696                                     POLL_BIST_OUT_SFT9001_CABLE_LENGTH_D);
 697                         value_mask |= (1 << EFX_BIST_PHY_CABLE_LENGTH_D);
 698                 }
 699
 700                 if (count > EFX_BIST_PHY_CABLE_STATUS_A) {
 701                         if (valuesp != NULL) {
 702                                 word = MCDI_OUT_WORD(req,
 703                                     POLL_BIST_OUT_SFT9001_CABLE_STATUS_A);
 704                                 valuesp[EFX_BIST_PHY_CABLE_STATUS_A] =
 705                                     siena_phy_sft9001_bist_status(word);
 706                         }
 707                         value_mask |= (1 << EFX_BIST_PHY_CABLE_STATUS_A);
 708                 }
 709
 710                 if (count > EFX_BIST_PHY_CABLE_STATUS_B) {
 711                         if (valuesp != NULL) {
 712                                 word = MCDI_OUT_WORD(req,
 713                                     POLL_BIST_OUT_SFT9001_CABLE_STATUS_B);
 714                                 valuesp[EFX_BIST_PHY_CABLE_STATUS_B] =
 715                                     siena_phy_sft9001_bist_status(word);
 716                         }
 717                         value_mask |= (1 << EFX_BIST_PHY_CABLE_STATUS_B);
 718                 }
 719
 720                 if (count > EFX_BIST_PHY_CABLE_STATUS_C) {
 721                         if (valuesp != NULL) {
 722                                 word = MCDI_OUT_WORD(req,
 723                                     POLL_BIST_OUT_SFT9001_CABLE_STATUS_C);
 724                                 valuesp[EFX_BIST_PHY_CABLE_STATUS_C] =
 725                                     siena_phy_sft9001_bist_status(word);
 726                         }
 727                         value_mask |= (1 << EFX_BIST_PHY_CABLE_STATUS_C);
 728                 }
 729
 730                 if (count > EFX_BIST_PHY_CABLE_STATUS_D) {
 731                         if (valuesp != NULL) {
 732                                 word = MCDI_OUT_WORD(req,
 733                                     POLL_BIST_OUT_SFT9001_CABLE_STATUS_D);
 734                                 valuesp[EFX_BIST_PHY_CABLE_STATUS_D] =
 735                                     siena_phy_sft9001_bist_status(word);
 736                         }
 737                         value_mask |= (1 << EFX_BIST_PHY_CABLE_STATUS_D);
 738                 }
 739
 740         } else if (result == MC_CMD_POLL_BIST_FAILED &&
 741                     encp->enc_phy_type == EFX_PHY_QLX111V &&
 742                     req.emr_out_length >= MC_CMD_POLL_BIST_OUT_MRSFP_LEN &&
 743                     count > EFX_BIST_FAULT_CODE) {
 744                 if (valuesp != NULL)
 745                         valuesp[EFX_BIST_FAULT_CODE] =
 746                             MCDI_OUT_DWORD(req, POLL_BIST_OUT_MRSFP_TEST);
 747                 value_mask |= 1 << EFX_BIST_FAULT_CODE;
 748         }
 749
 750         if (value_maskp != NULL)
 751                 *value_maskp = value_mask;
 752
 753         EFSYS_ASSERT(resultp != NULL);
 754         if (result == MC_CMD_POLL_BIST_RUNNING)
 755                 *resultp = EFX_BIST_RESULT_RUNNING;
 756         else if (result == MC_CMD_POLL_BIST_PASSED)
 757                 *resultp = EFX_BIST_RESULT_PASSED;
 758         else
 759                 *resultp = EFX_BIST_RESULT_FAILED;
 760
 761         return (0);
 762
 763 fail2:
 764         EFSYS_PROBE(fail2);
 765 fail1:
 766         EFSYS_PROBE1(fail1, efx_rc_t, rc);
 767
 768         return (rc);
 769 }
 770
 771                         void
 772 siena_phy_bist_stop(
 773         __in            efx_nic_t *enp,
 774         __in            efx_bist_type_t type)
 775 {
 776         /* There is no way to stop BIST on Siena */
 777         _NOTE(ARGUNUSED(enp, type))
 778 }
 779
 780 #endif  /* EFSYS_OPT_BIST */
 781
 782 #endif  /* EFSYS_OPT_SIENA */