1227569Sphilip/*- 2301388Sarybchik * Copyright (c) 2007-2016 Solarflare Communications Inc. 3284555Sarybchik * All rights reserved. 4227569Sphilip * 5227569Sphilip * Redistribution and use in source and binary forms, with or without 6284555Sarybchik * modification, are permitted provided that the following conditions are met: 7227569Sphilip * 8284555Sarybchik * 1. Redistributions of source code must retain the above copyright notice, 9284555Sarybchik * this list of conditions and the following disclaimer. 10284555Sarybchik * 2. Redistributions in binary form must reproduce the above copyright notice, 11284555Sarybchik * this list of conditions and the following disclaimer in the documentation 12284555Sarybchik * and/or other materials provided with the distribution. 13284555Sarybchik * 14284555Sarybchik * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15284555Sarybchik * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16284555Sarybchik * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17284555Sarybchik * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18284555Sarybchik * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19284555Sarybchik * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20284555Sarybchik * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21284555Sarybchik * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22284555Sarybchik * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23284555Sarybchik * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 24284555Sarybchik * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25284555Sarybchik * 26284555Sarybchik * The views and conclusions contained in the software and documentation are 27284555Sarybchik * those of the authors and should not be interpreted as representing official 28284555Sarybchik * policies, either expressed or implied, of the FreeBSD Project. 29227569Sphilip */ 30227569Sphilip 31228078Sphilip#include <sys/cdefs.h> 32228078Sphilip__FBSDID("$FreeBSD: stable/10/sys/dev/sfxge/common/efx_ev.c 342521 2018-12-26 10:28:03Z arybchik $"); 33228078Sphilip 34227569Sphilip#include "efx.h" 35227569Sphilip#include "efx_impl.h" 36294016Sarybchik#if EFSYS_OPT_MON_MCDI 37284555Sarybchik#include "mcdi_mon.h" 38294016Sarybchik#endif 39227569Sphilip 40227569Sphilip#if EFSYS_OPT_QSTATS 41227569Sphilip#define EFX_EV_QSTAT_INCR(_eep, _stat) \ 42227569Sphilip do { \ 43227569Sphilip (_eep)->ee_stat[_stat]++; \ 44227569Sphilip _NOTE(CONSTANTCONDITION) \ 45227569Sphilip } while (B_FALSE) 46227569Sphilip#else 47227569Sphilip#define EFX_EV_QSTAT_INCR(_eep, _stat) 48227569Sphilip#endif 49227569Sphilip 50284555Sarybchik#define EFX_EV_PRESENT(_qword) \ 51284555Sarybchik (EFX_QWORD_FIELD((_qword), EFX_DWORD_0) != 0xffffffff && \ 52284555Sarybchik EFX_QWORD_FIELD((_qword), EFX_DWORD_1) != 0xffffffff) 53284555Sarybchik 54284555Sarybchik 55284555Sarybchik 56301324Sarybchik#if EFSYS_OPT_SIENA 57284555Sarybchik 58293927Sarybchikstatic __checkReturn efx_rc_t 59301345Sarybchiksiena_ev_init( 60284555Sarybchik __in efx_nic_t *enp); 61284555Sarybchik 62284555Sarybchikstatic void 63301345Sarybchiksiena_ev_fini( 64284555Sarybchik __in efx_nic_t *enp); 65284555Sarybchik 66293927Sarybchikstatic __checkReturn efx_rc_t 67301345Sarybchiksiena_ev_qcreate( 68284555Sarybchik __in efx_nic_t *enp, 69284555Sarybchik __in unsigned int index, 70284555Sarybchik __in efsys_mem_t *esmp, 71284555Sarybchik __in size_t n, 72284555Sarybchik __in uint32_t id, 73301980Sarybchik __in uint32_t us, 74311070Sarybchik __in uint32_t flags, 75284555Sarybchik __in efx_evq_t *eep); 76284555Sarybchik 77284555Sarybchikstatic void 78301345Sarybchiksiena_ev_qdestroy( 79284555Sarybchik __in efx_evq_t *eep); 80284555Sarybchik 81293927Sarybchikstatic __checkReturn efx_rc_t 82301345Sarybchiksiena_ev_qprime( 83284555Sarybchik __in efx_evq_t *eep, 84284555Sarybchik __in unsigned int count); 85284555Sarybchik 86284555Sarybchikstatic void 87301345Sarybchiksiena_ev_qpost( 88284555Sarybchik __in efx_evq_t *eep, 89284555Sarybchik __in uint16_t data); 90284555Sarybchik 91293927Sarybchikstatic __checkReturn efx_rc_t 92301345Sarybchiksiena_ev_qmoderate( 93284555Sarybchik __in efx_evq_t *eep, 94284555Sarybchik __in unsigned int us); 95284555Sarybchik 96284555Sarybchik#if EFSYS_OPT_QSTATS 97284555Sarybchikstatic void 98301345Sarybchiksiena_ev_qstats_update( 99284555Sarybchik __in efx_evq_t *eep, 100284555Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat); 101284555Sarybchik 102284555Sarybchik#endif 103284555Sarybchik 104301324Sarybchik#endif /* EFSYS_OPT_SIENA */ 105284555Sarybchik 106284555Sarybchik#if EFSYS_OPT_SIENA 107301340Sarybchikstatic const efx_ev_ops_t __efx_ev_siena_ops = { 108301345Sarybchik siena_ev_init, /* eevo_init */ 109301345Sarybchik siena_ev_fini, /* eevo_fini */ 110301345Sarybchik siena_ev_qcreate, /* eevo_qcreate */ 111301345Sarybchik siena_ev_qdestroy, /* eevo_qdestroy */ 112301345Sarybchik siena_ev_qprime, /* eevo_qprime */ 113301345Sarybchik siena_ev_qpost, /* eevo_qpost */ 114301345Sarybchik siena_ev_qmoderate, /* eevo_qmoderate */ 115284555Sarybchik#if EFSYS_OPT_QSTATS 116301345Sarybchik siena_ev_qstats_update, /* eevo_qstats_update */ 117284555Sarybchik#endif 118284555Sarybchik}; 119284555Sarybchik#endif /* EFSYS_OPT_SIENA */ 120284555Sarybchik 121293986Sarybchik#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 122301340Sarybchikstatic const efx_ev_ops_t __efx_ev_ef10_ops = { 123293986Sarybchik ef10_ev_init, /* eevo_init */ 124293986Sarybchik ef10_ev_fini, /* eevo_fini */ 125293986Sarybchik ef10_ev_qcreate, /* eevo_qcreate */ 126293986Sarybchik ef10_ev_qdestroy, /* eevo_qdestroy */ 127293986Sarybchik ef10_ev_qprime, /* eevo_qprime */ 128293986Sarybchik ef10_ev_qpost, /* eevo_qpost */ 129293986Sarybchik ef10_ev_qmoderate, /* eevo_qmoderate */ 130284555Sarybchik#if EFSYS_OPT_QSTATS 131293986Sarybchik ef10_ev_qstats_update, /* eevo_qstats_update */ 132284555Sarybchik#endif 133284555Sarybchik}; 134293986Sarybchik#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 135284555Sarybchik 136284555Sarybchik 137293927Sarybchik __checkReturn efx_rc_t 138227569Sphilipefx_ev_init( 139227569Sphilip __in efx_nic_t *enp) 140227569Sphilip{ 141301340Sarybchik const efx_ev_ops_t *eevop; 142293927Sarybchik efx_rc_t rc; 143227569Sphilip 144227569Sphilip EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 145227569Sphilip EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); 146227569Sphilip 147227569Sphilip if (enp->en_mod_flags & EFX_MOD_EV) { 148227569Sphilip rc = EINVAL; 149227569Sphilip goto fail1; 150227569Sphilip } 151227569Sphilip 152284555Sarybchik switch (enp->en_family) { 153284555Sarybchik#if EFSYS_OPT_SIENA 154284555Sarybchik case EFX_FAMILY_SIENA: 155301340Sarybchik eevop = &__efx_ev_siena_ops; 156284555Sarybchik break; 157284555Sarybchik#endif /* EFSYS_OPT_SIENA */ 158284555Sarybchik 159284555Sarybchik#if EFSYS_OPT_HUNTINGTON 160284555Sarybchik case EFX_FAMILY_HUNTINGTON: 161301340Sarybchik eevop = &__efx_ev_ef10_ops; 162284555Sarybchik break; 163284555Sarybchik#endif /* EFSYS_OPT_HUNTINGTON */ 164284555Sarybchik 165293986Sarybchik#if EFSYS_OPT_MEDFORD 166293986Sarybchik case EFX_FAMILY_MEDFORD: 167301340Sarybchik eevop = &__efx_ev_ef10_ops; 168293986Sarybchik break; 169293986Sarybchik#endif /* EFSYS_OPT_MEDFORD */ 170293986Sarybchik 171284555Sarybchik default: 172284555Sarybchik EFSYS_ASSERT(0); 173284555Sarybchik rc = ENOTSUP; 174284555Sarybchik goto fail1; 175284555Sarybchik } 176284555Sarybchik 177227569Sphilip EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 178227569Sphilip 179284555Sarybchik if ((rc = eevop->eevo_init(enp)) != 0) 180284555Sarybchik goto fail2; 181284555Sarybchik 182284555Sarybchik enp->en_eevop = eevop; 183284555Sarybchik enp->en_mod_flags |= EFX_MOD_EV; 184284555Sarybchik return (0); 185284555Sarybchik 186284555Sarybchikfail2: 187284555Sarybchik EFSYS_PROBE(fail2); 188284555Sarybchik 189284555Sarybchikfail1: 190293927Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 191284555Sarybchik 192284555Sarybchik enp->en_eevop = NULL; 193284555Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 194284555Sarybchik return (rc); 195284555Sarybchik} 196284555Sarybchik 197284555Sarybchik void 198284555Sarybchikefx_ev_fini( 199284555Sarybchik __in efx_nic_t *enp) 200284555Sarybchik{ 201301340Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 202284555Sarybchik 203284555Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 204284555Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); 205284555Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 206284555Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_RX)); 207284555Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_TX)); 208284555Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 209284555Sarybchik 210284555Sarybchik eevop->eevo_fini(enp); 211284555Sarybchik 212284555Sarybchik enp->en_eevop = NULL; 213284555Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 214284555Sarybchik} 215284555Sarybchik 216284555Sarybchik 217293927Sarybchik __checkReturn efx_rc_t 218284555Sarybchikefx_ev_qcreate( 219284555Sarybchik __in efx_nic_t *enp, 220284555Sarybchik __in unsigned int index, 221284555Sarybchik __in efsys_mem_t *esmp, 222284555Sarybchik __in size_t n, 223284555Sarybchik __in uint32_t id, 224301980Sarybchik __in uint32_t us, 225311070Sarybchik __in uint32_t flags, 226284555Sarybchik __deref_out efx_evq_t **eepp) 227284555Sarybchik{ 228301340Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 229284555Sarybchik efx_evq_t *eep; 230293927Sarybchik efx_rc_t rc; 231284555Sarybchik 232284555Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 233284555Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 234284555Sarybchik 235342502Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <, 236342502Sarybchik enp->en_nic_cfg.enc_evq_limit); 237284555Sarybchik 238311094Sarybchik switch (flags & EFX_EVQ_FLAGS_NOTIFY_MASK) { 239311094Sarybchik case EFX_EVQ_FLAGS_NOTIFY_INTERRUPT: 240311094Sarybchik break; 241311094Sarybchik case EFX_EVQ_FLAGS_NOTIFY_DISABLED: 242311094Sarybchik if (us != 0) { 243311094Sarybchik rc = EINVAL; 244311094Sarybchik goto fail1; 245311094Sarybchik } 246311094Sarybchik break; 247311094Sarybchik default: 248311094Sarybchik rc = EINVAL; 249311094Sarybchik goto fail2; 250311094Sarybchik } 251311094Sarybchik 252284555Sarybchik /* Allocate an EVQ object */ 253284555Sarybchik EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep); 254284555Sarybchik if (eep == NULL) { 255284555Sarybchik rc = ENOMEM; 256311094Sarybchik goto fail3; 257284555Sarybchik } 258284555Sarybchik 259284555Sarybchik eep->ee_magic = EFX_EVQ_MAGIC; 260284555Sarybchik eep->ee_enp = enp; 261284555Sarybchik eep->ee_index = index; 262284555Sarybchik eep->ee_mask = n - 1; 263311094Sarybchik eep->ee_flags = flags; 264284555Sarybchik eep->ee_esmp = esmp; 265284555Sarybchik 266301386Sarybchik /* 267301386Sarybchik * Set outputs before the queue is created because interrupts may be 268301386Sarybchik * raised for events immediately after the queue is created, before the 269301386Sarybchik * function call below returns. See bug58606. 270301386Sarybchik * 271301386Sarybchik * The eepp pointer passed in by the client must therefore point to data 272301386Sarybchik * shared with the client's event processing context. 273301386Sarybchik */ 274301386Sarybchik enp->en_ev_qcount++; 275301386Sarybchik *eepp = eep; 276301386Sarybchik 277311070Sarybchik if ((rc = eevop->eevo_qcreate(enp, index, esmp, n, id, us, flags, 278311070Sarybchik eep)) != 0) 279311094Sarybchik goto fail4; 280284555Sarybchik 281284555Sarybchik return (0); 282284555Sarybchik 283311094Sarybchikfail4: 284311094Sarybchik EFSYS_PROBE(fail4); 285301386Sarybchik 286301386Sarybchik *eepp = NULL; 287301386Sarybchik enp->en_ev_qcount--; 288284555Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 289311094Sarybchikfail3: 290311094Sarybchik EFSYS_PROBE(fail3); 291311094Sarybchikfail2: 292311094Sarybchik EFSYS_PROBE(fail2); 293284555Sarybchikfail1: 294293927Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 295284555Sarybchik return (rc); 296284555Sarybchik} 297284555Sarybchik 298284555Sarybchik void 299284555Sarybchikefx_ev_qdestroy( 300284555Sarybchik __in efx_evq_t *eep) 301284555Sarybchik{ 302284555Sarybchik efx_nic_t *enp = eep->ee_enp; 303301340Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 304284555Sarybchik 305284555Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 306284555Sarybchik 307284555Sarybchik EFSYS_ASSERT(enp->en_ev_qcount != 0); 308284555Sarybchik --enp->en_ev_qcount; 309284555Sarybchik 310284555Sarybchik eevop->eevo_qdestroy(eep); 311284555Sarybchik 312284555Sarybchik /* Free the EVQ object */ 313284555Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 314284555Sarybchik} 315284555Sarybchik 316293927Sarybchik __checkReturn efx_rc_t 317284555Sarybchikefx_ev_qprime( 318284555Sarybchik __in efx_evq_t *eep, 319284555Sarybchik __in unsigned int count) 320284555Sarybchik{ 321284555Sarybchik efx_nic_t *enp = eep->ee_enp; 322301340Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 323293927Sarybchik efx_rc_t rc; 324284555Sarybchik 325284555Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 326284555Sarybchik 327284555Sarybchik if (!(enp->en_mod_flags & EFX_MOD_INTR)) { 328284555Sarybchik rc = EINVAL; 329284555Sarybchik goto fail1; 330284555Sarybchik } 331284555Sarybchik 332284555Sarybchik if ((rc = eevop->eevo_qprime(eep, count)) != 0) 333284555Sarybchik goto fail2; 334284555Sarybchik 335284555Sarybchik return (0); 336284555Sarybchik 337284555Sarybchikfail2: 338284555Sarybchik EFSYS_PROBE(fail2); 339284555Sarybchikfail1: 340293927Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 341284555Sarybchik return (rc); 342284555Sarybchik} 343284555Sarybchik 344284555Sarybchik __checkReturn boolean_t 345284555Sarybchikefx_ev_qpending( 346284555Sarybchik __in efx_evq_t *eep, 347284555Sarybchik __in unsigned int count) 348284555Sarybchik{ 349284555Sarybchik size_t offset; 350284555Sarybchik efx_qword_t qword; 351284555Sarybchik 352284555Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 353284555Sarybchik 354284555Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 355284555Sarybchik EFSYS_MEM_READQ(eep->ee_esmp, offset, &qword); 356284555Sarybchik 357284555Sarybchik return (EFX_EV_PRESENT(qword)); 358284555Sarybchik} 359284555Sarybchik 360284555Sarybchik#if EFSYS_OPT_EV_PREFETCH 361284555Sarybchik 362284555Sarybchik void 363284555Sarybchikefx_ev_qprefetch( 364284555Sarybchik __in efx_evq_t *eep, 365284555Sarybchik __in unsigned int count) 366284555Sarybchik{ 367284555Sarybchik unsigned int offset; 368284555Sarybchik 369284555Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 370284555Sarybchik 371284555Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 372284555Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 373284555Sarybchik} 374284555Sarybchik 375284555Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 376284555Sarybchik 377311491Sarybchik#define EFX_EV_BATCH 8 378311491Sarybchik 379284555Sarybchik void 380284555Sarybchikefx_ev_qpoll( 381284555Sarybchik __in efx_evq_t *eep, 382284555Sarybchik __inout unsigned int *countp, 383284555Sarybchik __in const efx_ev_callbacks_t *eecp, 384284555Sarybchik __in_opt void *arg) 385284555Sarybchik{ 386311491Sarybchik efx_qword_t ev[EFX_EV_BATCH]; 387311491Sarybchik unsigned int batch; 388311491Sarybchik unsigned int total; 389311491Sarybchik unsigned int count; 390311491Sarybchik unsigned int index; 391311491Sarybchik size_t offset; 392284555Sarybchik 393311491Sarybchik /* Ensure events codes match for EF10 (Huntington/Medford) and Siena */ 394284555Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_LBN == FSF_AZ_EV_CODE_LBN); 395284555Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_WIDTH == FSF_AZ_EV_CODE_WIDTH); 396284555Sarybchik 397284555Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_RX_EV == FSE_AZ_EV_CODE_RX_EV); 398284555Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_TX_EV == FSE_AZ_EV_CODE_TX_EV); 399284555Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRIVER_EV == FSE_AZ_EV_CODE_DRIVER_EV); 400284555Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRV_GEN_EV == 401284555Sarybchik FSE_AZ_EV_CODE_DRV_GEN_EV); 402284555Sarybchik#if EFSYS_OPT_MCDI 403284555Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_MCDI_EV == 404284555Sarybchik FSE_AZ_EV_CODE_MCDI_EVRESPONSE); 405284555Sarybchik#endif 406311491Sarybchik 407311491Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 408311491Sarybchik EFSYS_ASSERT(countp != NULL); 409311491Sarybchik EFSYS_ASSERT(eecp != NULL); 410311491Sarybchik 411311491Sarybchik count = *countp; 412311491Sarybchik do { 413311491Sarybchik /* Read up until the end of the batch period */ 414311491Sarybchik batch = EFX_EV_BATCH - (count & (EFX_EV_BATCH - 1)); 415311491Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 416311491Sarybchik for (total = 0; total < batch; ++total) { 417311491Sarybchik EFSYS_MEM_READQ(eep->ee_esmp, offset, &(ev[total])); 418311491Sarybchik 419311491Sarybchik if (!EFX_EV_PRESENT(ev[total])) 420311491Sarybchik break; 421311491Sarybchik 422311491Sarybchik EFSYS_PROBE3(event, unsigned int, eep->ee_index, 423311491Sarybchik uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_1), 424311491Sarybchik uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_0)); 425311491Sarybchik 426311491Sarybchik offset += sizeof (efx_qword_t); 427311491Sarybchik } 428311491Sarybchik 429311491Sarybchik#if EFSYS_OPT_EV_PREFETCH && (EFSYS_OPT_EV_PREFETCH_PERIOD > 1) 430311491Sarybchik /* 431311491Sarybchik * Prefetch the next batch when we get within PREFETCH_PERIOD 432311491Sarybchik * of a completed batch. If the batch is smaller, then prefetch 433311491Sarybchik * immediately. 434311491Sarybchik */ 435311491Sarybchik if (total == batch && total < EFSYS_OPT_EV_PREFETCH_PERIOD) 436311491Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 437311491Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 438311491Sarybchik 439311491Sarybchik /* Process the batch of events */ 440311491Sarybchik for (index = 0; index < total; ++index) { 441311491Sarybchik boolean_t should_abort; 442311491Sarybchik uint32_t code; 443311491Sarybchik 444311491Sarybchik#if EFSYS_OPT_EV_PREFETCH 445311491Sarybchik /* Prefetch if we've now reached the batch period */ 446311491Sarybchik if (total == batch && 447311491Sarybchik index + EFSYS_OPT_EV_PREFETCH_PERIOD == total) { 448311491Sarybchik offset = (count + batch) & eep->ee_mask; 449311491Sarybchik offset *= sizeof (efx_qword_t); 450311491Sarybchik 451311491Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 452311491Sarybchik } 453311491Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 454311491Sarybchik 455311491Sarybchik EFX_EV_QSTAT_INCR(eep, EV_ALL); 456311491Sarybchik 457311491Sarybchik code = EFX_QWORD_FIELD(ev[index], FSF_AZ_EV_CODE); 458311491Sarybchik switch (code) { 459311491Sarybchik case FSE_AZ_EV_CODE_RX_EV: 460311491Sarybchik should_abort = eep->ee_rx(eep, 461311491Sarybchik &(ev[index]), eecp, arg); 462311491Sarybchik break; 463311491Sarybchik case FSE_AZ_EV_CODE_TX_EV: 464311491Sarybchik should_abort = eep->ee_tx(eep, 465311491Sarybchik &(ev[index]), eecp, arg); 466311491Sarybchik break; 467311491Sarybchik case FSE_AZ_EV_CODE_DRIVER_EV: 468311491Sarybchik should_abort = eep->ee_driver(eep, 469311491Sarybchik &(ev[index]), eecp, arg); 470311491Sarybchik break; 471311491Sarybchik case FSE_AZ_EV_CODE_DRV_GEN_EV: 472311491Sarybchik should_abort = eep->ee_drv_gen(eep, 473311491Sarybchik &(ev[index]), eecp, arg); 474311491Sarybchik break; 475311491Sarybchik#if EFSYS_OPT_MCDI 476311491Sarybchik case FSE_AZ_EV_CODE_MCDI_EVRESPONSE: 477311491Sarybchik should_abort = eep->ee_mcdi(eep, 478311491Sarybchik &(ev[index]), eecp, arg); 479311491Sarybchik break; 480311491Sarybchik#endif 481311491Sarybchik case FSE_AZ_EV_CODE_GLOBAL_EV: 482311491Sarybchik if (eep->ee_global) { 483311491Sarybchik should_abort = eep->ee_global(eep, 484311491Sarybchik &(ev[index]), eecp, arg); 485311491Sarybchik break; 486311491Sarybchik } 487311491Sarybchik /* else fallthrough */ 488311491Sarybchik default: 489311491Sarybchik EFSYS_PROBE3(bad_event, 490311491Sarybchik unsigned int, eep->ee_index, 491311491Sarybchik uint32_t, 492311491Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_1), 493311491Sarybchik uint32_t, 494311491Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_0)); 495311491Sarybchik 496311491Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 497311491Sarybchik (void) eecp->eec_exception(arg, 498311491Sarybchik EFX_EXCEPTION_EV_ERROR, code); 499311491Sarybchik should_abort = B_TRUE; 500311491Sarybchik } 501311491Sarybchik if (should_abort) { 502311491Sarybchik /* Ignore subsequent events */ 503311491Sarybchik total = index + 1; 504342521Sarybchik 505342521Sarybchik /* 506342521Sarybchik * Poison batch to ensure the outer 507342521Sarybchik * loop is broken out of. 508342521Sarybchik */ 509342521Sarybchik EFSYS_ASSERT(batch <= EFX_EV_BATCH); 510342521Sarybchik batch += (EFX_EV_BATCH << 1); 511342521Sarybchik EFSYS_ASSERT(total != batch); 512311491Sarybchik break; 513311491Sarybchik } 514311491Sarybchik } 515311491Sarybchik 516311491Sarybchik /* 517311491Sarybchik * Now that the hardware has most likely moved onto dma'ing 518311491Sarybchik * into the next cache line, clear the processed events. Take 519311491Sarybchik * care to only clear out events that we've processed 520311491Sarybchik */ 521311491Sarybchik EFX_SET_QWORD(ev[0]); 522311491Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 523311491Sarybchik for (index = 0; index < total; ++index) { 524311491Sarybchik EFSYS_MEM_WRITEQ(eep->ee_esmp, offset, &(ev[0])); 525311491Sarybchik offset += sizeof (efx_qword_t); 526311491Sarybchik } 527311491Sarybchik 528311491Sarybchik count += total; 529311491Sarybchik 530311491Sarybchik } while (total == batch); 531311491Sarybchik 532311491Sarybchik *countp = count; 533284555Sarybchik} 534284555Sarybchik 535284555Sarybchik void 536284555Sarybchikefx_ev_qpost( 537284555Sarybchik __in efx_evq_t *eep, 538284555Sarybchik __in uint16_t data) 539284555Sarybchik{ 540284555Sarybchik efx_nic_t *enp = eep->ee_enp; 541301340Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 542284555Sarybchik 543284555Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 544284555Sarybchik 545284555Sarybchik EFSYS_ASSERT(eevop != NULL && 546284555Sarybchik eevop->eevo_qpost != NULL); 547284555Sarybchik 548284555Sarybchik eevop->eevo_qpost(eep, data); 549284555Sarybchik} 550284555Sarybchik 551293927Sarybchik __checkReturn efx_rc_t 552301984Sarybchikefx_ev_usecs_to_ticks( 553301984Sarybchik __in efx_nic_t *enp, 554301984Sarybchik __in unsigned int us, 555301984Sarybchik __out unsigned int *ticksp) 556301984Sarybchik{ 557301984Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 558301984Sarybchik unsigned int ticks; 559301984Sarybchik 560301984Sarybchik /* Convert microseconds to a timer tick count */ 561301984Sarybchik if (us == 0) 562301984Sarybchik ticks = 0; 563301984Sarybchik else if (us * 1000 < encp->enc_evq_timer_quantum_ns) 564301984Sarybchik ticks = 1; /* Never round down to zero */ 565301984Sarybchik else 566301984Sarybchik ticks = us * 1000 / encp->enc_evq_timer_quantum_ns; 567301984Sarybchik 568301984Sarybchik *ticksp = ticks; 569301984Sarybchik return (0); 570301984Sarybchik} 571301984Sarybchik 572301984Sarybchik __checkReturn efx_rc_t 573284555Sarybchikefx_ev_qmoderate( 574284555Sarybchik __in efx_evq_t *eep, 575284555Sarybchik __in unsigned int us) 576284555Sarybchik{ 577284555Sarybchik efx_nic_t *enp = eep->ee_enp; 578301340Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 579293927Sarybchik efx_rc_t rc; 580284555Sarybchik 581284555Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 582284555Sarybchik 583311094Sarybchik if ((eep->ee_flags & EFX_EVQ_FLAGS_NOTIFY_MASK) == 584311094Sarybchik EFX_EVQ_FLAGS_NOTIFY_DISABLED) { 585311094Sarybchik rc = EINVAL; 586284555Sarybchik goto fail1; 587311094Sarybchik } 588284555Sarybchik 589311094Sarybchik if ((rc = eevop->eevo_qmoderate(eep, us)) != 0) 590311094Sarybchik goto fail2; 591311094Sarybchik 592284555Sarybchik return (0); 593284555Sarybchik 594311094Sarybchikfail2: 595311094Sarybchik EFSYS_PROBE(fail2); 596284555Sarybchikfail1: 597293927Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 598284555Sarybchik return (rc); 599284555Sarybchik} 600284555Sarybchik 601284555Sarybchik#if EFSYS_OPT_QSTATS 602284555Sarybchik void 603284555Sarybchikefx_ev_qstats_update( 604284555Sarybchik __in efx_evq_t *eep, 605284555Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) 606284555Sarybchik 607284555Sarybchik{ efx_nic_t *enp = eep->ee_enp; 608301340Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 609284555Sarybchik 610284555Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 611284555Sarybchik 612284555Sarybchik eevop->eevo_qstats_update(eep, stat); 613284555Sarybchik} 614284555Sarybchik 615284555Sarybchik#endif /* EFSYS_OPT_QSTATS */ 616284555Sarybchik 617301324Sarybchik#if EFSYS_OPT_SIENA 618284555Sarybchik 619293927Sarybchikstatic __checkReturn efx_rc_t 620301345Sarybchiksiena_ev_init( 621284555Sarybchik __in efx_nic_t *enp) 622284555Sarybchik{ 623284555Sarybchik efx_oword_t oword; 624284555Sarybchik 625284555Sarybchik /* 626227569Sphilip * Program the event queue for receive and transmit queue 627227569Sphilip * flush events. 628227569Sphilip */ 629227569Sphilip EFX_BAR_READO(enp, FR_AZ_DP_CTRL_REG, &oword); 630227569Sphilip EFX_SET_OWORD_FIELD(oword, FRF_AZ_FLS_EVQ_ID, 0); 631227569Sphilip EFX_BAR_WRITEO(enp, FR_AZ_DP_CTRL_REG, &oword); 632227569Sphilip 633227569Sphilip return (0); 634227569Sphilip 635227569Sphilip} 636227569Sphilip 637227569Sphilipstatic __checkReturn boolean_t 638301345Sarybchiksiena_ev_rx_not_ok( 639227569Sphilip __in efx_evq_t *eep, 640227569Sphilip __in efx_qword_t *eqp, 641227569Sphilip __in uint32_t label, 642227569Sphilip __in uint32_t id, 643227569Sphilip __inout uint16_t *flagsp) 644227569Sphilip{ 645227569Sphilip boolean_t ignore = B_FALSE; 646227569Sphilip 647227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TOBE_DISC) != 0) { 648227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TOBE_DISC); 649227569Sphilip EFSYS_PROBE(tobe_disc); 650280535Sarybchik /* 651280535Sarybchik * Assume this is a unicast address mismatch, unless below 652227569Sphilip * we find either FSF_AZ_RX_EV_ETH_CRC_ERR or 653227569Sphilip * EV_RX_PAUSE_FRM_ERR is set. 654227569Sphilip */ 655227569Sphilip (*flagsp) |= EFX_ADDR_MISMATCH; 656227569Sphilip } 657227569Sphilip 658227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_FRM_TRUNC) != 0) { 659227569Sphilip EFSYS_PROBE2(frm_trunc, uint32_t, label, uint32_t, id); 660227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC); 661227569Sphilip (*flagsp) |= EFX_DISCARD; 662227569Sphilip 663294007Sarybchik#if EFSYS_OPT_RX_SCATTER 664280535Sarybchik /* 665280535Sarybchik * Lookout for payload queue ran dry errors and ignore them. 666227569Sphilip * 667227569Sphilip * Sadly for the header/data split cases, the descriptor 668227569Sphilip * pointer in this event refers to the header queue and 669227569Sphilip * therefore cannot be easily detected as duplicate. 670227569Sphilip * So we drop these and rely on the receive processing seeing 671227569Sphilip * a subsequent packet with FSF_AZ_RX_EV_SOP set to discard 672227569Sphilip * the partially received packet. 673227569Sphilip */ 674227569Sphilip if ((EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) == 0) && 675227569Sphilip (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) == 0) && 676227569Sphilip (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT) == 0)) 677227569Sphilip ignore = B_TRUE; 678294007Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 679227569Sphilip } 680227569Sphilip 681227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_ETH_CRC_ERR) != 0) { 682227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_ETH_CRC_ERR); 683227569Sphilip EFSYS_PROBE(crc_err); 684227569Sphilip (*flagsp) &= ~EFX_ADDR_MISMATCH; 685227569Sphilip (*flagsp) |= EFX_DISCARD; 686227569Sphilip } 687227569Sphilip 688227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PAUSE_FRM_ERR) != 0) { 689227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_PAUSE_FRM_ERR); 690227569Sphilip EFSYS_PROBE(pause_frm_err); 691227569Sphilip (*flagsp) &= ~EFX_ADDR_MISMATCH; 692227569Sphilip (*flagsp) |= EFX_DISCARD; 693227569Sphilip } 694227569Sphilip 695227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BUF_OWNER_ID_ERR) != 0) { 696227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_BUF_OWNER_ID_ERR); 697227569Sphilip EFSYS_PROBE(owner_id_err); 698227569Sphilip (*flagsp) |= EFX_DISCARD; 699227569Sphilip } 700227569Sphilip 701227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR) != 0) { 702227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_IPV4_HDR_CHKSUM_ERR); 703227569Sphilip EFSYS_PROBE(ipv4_err); 704227569Sphilip (*flagsp) &= ~EFX_CKSUM_IPV4; 705227569Sphilip } 706227569Sphilip 707227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR) != 0) { 708227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_UDP_CHKSUM_ERR); 709227569Sphilip EFSYS_PROBE(udp_chk_err); 710227569Sphilip (*flagsp) &= ~EFX_CKSUM_TCPUDP; 711227569Sphilip } 712227569Sphilip 713227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_FRAG_ERR) != 0) { 714227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_IP_FRAG_ERR); 715227569Sphilip 716227569Sphilip /* 717227569Sphilip * If IP is fragmented FSF_AZ_RX_EV_IP_FRAG_ERR is set. This 718227569Sphilip * causes FSF_AZ_RX_EV_PKT_OK to be clear. This is not an error 719227569Sphilip * condition. 720227569Sphilip */ 721227569Sphilip (*flagsp) &= ~(EFX_PKT_TCP | EFX_PKT_UDP | EFX_CKSUM_TCPUDP); 722227569Sphilip } 723227569Sphilip 724227569Sphilip return (ignore); 725227569Sphilip} 726227569Sphilip 727227569Sphilipstatic __checkReturn boolean_t 728301345Sarybchiksiena_ev_rx( 729227569Sphilip __in efx_evq_t *eep, 730227569Sphilip __in efx_qword_t *eqp, 731227569Sphilip __in const efx_ev_callbacks_t *eecp, 732227569Sphilip __in_opt void *arg) 733227569Sphilip{ 734227569Sphilip uint32_t id; 735227569Sphilip uint32_t size; 736227569Sphilip uint32_t label; 737227569Sphilip boolean_t ok; 738294007Sarybchik#if EFSYS_OPT_RX_SCATTER 739227569Sphilip boolean_t sop; 740227569Sphilip boolean_t jumbo_cont; 741294007Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 742227569Sphilip uint32_t hdr_type; 743227569Sphilip boolean_t is_v6; 744227569Sphilip uint16_t flags; 745227569Sphilip boolean_t ignore; 746227569Sphilip boolean_t should_abort; 747227569Sphilip 748227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX); 749227569Sphilip 750227569Sphilip /* Basic packet information */ 751227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_DESC_PTR); 752227569Sphilip size = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT); 753227569Sphilip label = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_Q_LABEL); 754227569Sphilip ok = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_OK) != 0); 755227569Sphilip 756294007Sarybchik#if EFSYS_OPT_RX_SCATTER 757227569Sphilip sop = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) != 0); 758227569Sphilip jumbo_cont = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) != 0); 759294007Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 760227569Sphilip 761227569Sphilip hdr_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_HDR_TYPE); 762227569Sphilip 763301330Sarybchik is_v6 = (EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_IPV6_PKT) != 0); 764227569Sphilip 765227569Sphilip /* 766227569Sphilip * If packet is marked as OK and packet type is TCP/IP or 767227569Sphilip * UDP/IP or other IP, then we can rely on the hardware checksums. 768227569Sphilip */ 769227569Sphilip switch (hdr_type) { 770227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_TCP: 771227569Sphilip flags = EFX_PKT_TCP | EFX_CKSUM_TCPUDP; 772227569Sphilip if (is_v6) { 773227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV6); 774227569Sphilip flags |= EFX_PKT_IPV6; 775227569Sphilip } else { 776227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV4); 777227569Sphilip flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 778227569Sphilip } 779227569Sphilip break; 780227569Sphilip 781227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_UDP: 782227569Sphilip flags = EFX_PKT_UDP | EFX_CKSUM_TCPUDP; 783227569Sphilip if (is_v6) { 784227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV6); 785227569Sphilip flags |= EFX_PKT_IPV6; 786227569Sphilip } else { 787227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV4); 788227569Sphilip flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 789227569Sphilip } 790227569Sphilip break; 791227569Sphilip 792227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_OTHER: 793227569Sphilip if (is_v6) { 794227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV6); 795227569Sphilip flags = EFX_PKT_IPV6; 796227569Sphilip } else { 797227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV4); 798227569Sphilip flags = EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 799227569Sphilip } 800227569Sphilip break; 801227569Sphilip 802227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_OTHER: 803227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_NON_IP); 804227569Sphilip flags = 0; 805227569Sphilip break; 806227569Sphilip 807227569Sphilip default: 808227569Sphilip EFSYS_ASSERT(B_FALSE); 809227569Sphilip flags = 0; 810227569Sphilip break; 811227569Sphilip } 812227569Sphilip 813294007Sarybchik#if EFSYS_OPT_RX_SCATTER 814227569Sphilip /* Report scatter and header/lookahead split buffer flags */ 815227569Sphilip if (sop) 816227569Sphilip flags |= EFX_PKT_START; 817227569Sphilip if (jumbo_cont) 818227569Sphilip flags |= EFX_PKT_CONT; 819294007Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 820227569Sphilip 821227569Sphilip /* Detect errors included in the FSF_AZ_RX_EV_PKT_OK indication */ 822227569Sphilip if (!ok) { 823301345Sarybchik ignore = siena_ev_rx_not_ok(eep, eqp, label, id, &flags); 824227569Sphilip if (ignore) { 825227569Sphilip EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, 826227569Sphilip uint32_t, size, uint16_t, flags); 827227569Sphilip 828227569Sphilip return (B_FALSE); 829227569Sphilip } 830227569Sphilip } 831227569Sphilip 832227569Sphilip /* If we're not discarding the packet then it is ok */ 833227569Sphilip if (~flags & EFX_DISCARD) 834227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OK); 835227569Sphilip 836227569Sphilip /* Detect multicast packets that didn't match the filter */ 837227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_PKT) != 0) { 838227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_PKT); 839227569Sphilip 840227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_HASH_MATCH) != 0) { 841227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_HASH_MATCH); 842227569Sphilip } else { 843227569Sphilip EFSYS_PROBE(mcast_mismatch); 844227569Sphilip flags |= EFX_ADDR_MISMATCH; 845227569Sphilip } 846227569Sphilip } else { 847227569Sphilip flags |= EFX_PKT_UNICAST; 848227569Sphilip } 849227569Sphilip 850227569Sphilip /* 851227569Sphilip * The packet parser in Siena can abort parsing packets under 852227569Sphilip * certain error conditions, setting the PKT_NOT_PARSED bit 853227569Sphilip * (which clears PKT_OK). If this is set, then don't trust 854227569Sphilip * the PKT_TYPE field. 855227569Sphilip */ 856301330Sarybchik if (!ok) { 857227569Sphilip uint32_t parse_err; 858227569Sphilip 859227569Sphilip parse_err = EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_PKT_NOT_PARSED); 860227569Sphilip if (parse_err != 0) 861227569Sphilip flags |= EFX_CHECK_VLAN; 862227569Sphilip } 863227569Sphilip 864227569Sphilip if (~flags & EFX_CHECK_VLAN) { 865227569Sphilip uint32_t pkt_type; 866227569Sphilip 867227569Sphilip pkt_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_TYPE); 868227569Sphilip if (pkt_type >= FSE_AZ_RX_EV_PKT_TYPE_VLAN) 869227569Sphilip flags |= EFX_PKT_VLAN_TAGGED; 870227569Sphilip } 871227569Sphilip 872227569Sphilip EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, 873227569Sphilip uint32_t, size, uint16_t, flags); 874227569Sphilip 875227569Sphilip EFSYS_ASSERT(eecp->eec_rx != NULL); 876227569Sphilip should_abort = eecp->eec_rx(arg, label, id, size, flags); 877227569Sphilip 878227569Sphilip return (should_abort); 879227569Sphilip} 880227569Sphilip 881227569Sphilipstatic __checkReturn boolean_t 882301345Sarybchiksiena_ev_tx( 883227569Sphilip __in efx_evq_t *eep, 884227569Sphilip __in efx_qword_t *eqp, 885227569Sphilip __in const efx_ev_callbacks_t *eecp, 886227569Sphilip __in_opt void *arg) 887227569Sphilip{ 888227569Sphilip uint32_t id; 889227569Sphilip uint32_t label; 890227569Sphilip boolean_t should_abort; 891227569Sphilip 892227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX); 893227569Sphilip 894227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0 && 895227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) == 0 && 896227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) == 0 && 897227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) == 0) { 898227569Sphilip 899227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_DESC_PTR); 900227569Sphilip label = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_Q_LABEL); 901227569Sphilip 902227569Sphilip EFSYS_PROBE2(tx_complete, uint32_t, label, uint32_t, id); 903227569Sphilip 904227569Sphilip EFSYS_ASSERT(eecp->eec_tx != NULL); 905227569Sphilip should_abort = eecp->eec_tx(arg, label, id); 906227569Sphilip 907227569Sphilip return (should_abort); 908227569Sphilip } 909227569Sphilip 910227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0) 911227569Sphilip EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, 912227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), 913227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); 914227569Sphilip 915227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) != 0) 916227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_ERR); 917227569Sphilip 918227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) != 0) 919227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_TOO_BIG); 920227569Sphilip 921227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) != 0) 922227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_WQ_FF_FULL); 923227569Sphilip 924227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_UNEXPECTED); 925227569Sphilip return (B_FALSE); 926227569Sphilip} 927227569Sphilip 928227569Sphilipstatic __checkReturn boolean_t 929301345Sarybchiksiena_ev_global( 930227569Sphilip __in efx_evq_t *eep, 931227569Sphilip __in efx_qword_t *eqp, 932227569Sphilip __in const efx_ev_callbacks_t *eecp, 933227569Sphilip __in_opt void *arg) 934227569Sphilip{ 935301331Sarybchik _NOTE(ARGUNUSED(eqp, eecp, arg)) 936227569Sphilip 937227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_GLOBAL); 938227569Sphilip 939301331Sarybchik return (B_FALSE); 940227569Sphilip} 941227569Sphilip 942227569Sphilipstatic __checkReturn boolean_t 943301345Sarybchiksiena_ev_driver( 944227569Sphilip __in efx_evq_t *eep, 945227569Sphilip __in efx_qword_t *eqp, 946227569Sphilip __in const efx_ev_callbacks_t *eecp, 947227569Sphilip __in_opt void *arg) 948227569Sphilip{ 949227569Sphilip boolean_t should_abort; 950227569Sphilip 951227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER); 952227569Sphilip should_abort = B_FALSE; 953227569Sphilip 954227569Sphilip switch (EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBCODE)) { 955227569Sphilip case FSE_AZ_TX_DESCQ_FLS_DONE_EV: { 956265884Sgnn uint32_t txq_index; 957227569Sphilip 958227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DESCQ_FLS_DONE); 959227569Sphilip 960265884Sgnn txq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 961227569Sphilip 962265884Sgnn EFSYS_PROBE1(tx_descq_fls_done, uint32_t, txq_index); 963227569Sphilip 964227569Sphilip EFSYS_ASSERT(eecp->eec_txq_flush_done != NULL); 965265884Sgnn should_abort = eecp->eec_txq_flush_done(arg, txq_index); 966227569Sphilip 967227569Sphilip break; 968227569Sphilip } 969227569Sphilip case FSE_AZ_RX_DESCQ_FLS_DONE_EV: { 970265884Sgnn uint32_t rxq_index; 971227569Sphilip uint32_t failed; 972227569Sphilip 973265884Sgnn rxq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_DESCQ_ID); 974227569Sphilip failed = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL); 975227569Sphilip 976227569Sphilip EFSYS_ASSERT(eecp->eec_rxq_flush_done != NULL); 977227569Sphilip EFSYS_ASSERT(eecp->eec_rxq_flush_failed != NULL); 978227569Sphilip 979227569Sphilip if (failed) { 980227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_FAILED); 981227569Sphilip 982265884Sgnn EFSYS_PROBE1(rx_descq_fls_failed, uint32_t, rxq_index); 983227569Sphilip 984284555Sarybchik should_abort = eecp->eec_rxq_flush_failed(arg, 985284555Sarybchik rxq_index); 986227569Sphilip } else { 987227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_DONE); 988227569Sphilip 989265884Sgnn EFSYS_PROBE1(rx_descq_fls_done, uint32_t, rxq_index); 990227569Sphilip 991265884Sgnn should_abort = eecp->eec_rxq_flush_done(arg, rxq_index); 992227569Sphilip } 993227569Sphilip 994227569Sphilip break; 995227569Sphilip } 996227569Sphilip case FSE_AZ_EVQ_INIT_DONE_EV: 997227569Sphilip EFSYS_ASSERT(eecp->eec_initialized != NULL); 998227569Sphilip should_abort = eecp->eec_initialized(arg); 999227569Sphilip 1000227569Sphilip break; 1001227569Sphilip 1002227569Sphilip case FSE_AZ_EVQ_NOT_EN_EV: 1003227569Sphilip EFSYS_PROBE(evq_not_en); 1004227569Sphilip break; 1005227569Sphilip 1006227569Sphilip case FSE_AZ_SRM_UPD_DONE_EV: { 1007227569Sphilip uint32_t code; 1008227569Sphilip 1009227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_SRM_UPD_DONE); 1010227569Sphilip 1011227569Sphilip code = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 1012227569Sphilip 1013227569Sphilip EFSYS_ASSERT(eecp->eec_sram != NULL); 1014227569Sphilip should_abort = eecp->eec_sram(arg, code); 1015227569Sphilip 1016227569Sphilip break; 1017227569Sphilip } 1018227569Sphilip case FSE_AZ_WAKE_UP_EV: { 1019227569Sphilip uint32_t id; 1020227569Sphilip 1021227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 1022227569Sphilip 1023227569Sphilip EFSYS_ASSERT(eecp->eec_wake_up != NULL); 1024227569Sphilip should_abort = eecp->eec_wake_up(arg, id); 1025227569Sphilip 1026227569Sphilip break; 1027227569Sphilip } 1028227569Sphilip case FSE_AZ_TX_PKT_NON_TCP_UDP: 1029227569Sphilip EFSYS_PROBE(tx_pkt_non_tcp_udp); 1030227569Sphilip break; 1031227569Sphilip 1032227569Sphilip case FSE_AZ_TIMER_EV: { 1033227569Sphilip uint32_t id; 1034227569Sphilip 1035227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 1036227569Sphilip 1037227569Sphilip EFSYS_ASSERT(eecp->eec_timer != NULL); 1038227569Sphilip should_abort = eecp->eec_timer(arg, id); 1039227569Sphilip 1040227569Sphilip break; 1041227569Sphilip } 1042227569Sphilip case FSE_AZ_RX_DSC_ERROR_EV: 1043227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DSC_ERROR); 1044227569Sphilip 1045227569Sphilip EFSYS_PROBE(rx_dsc_error); 1046227569Sphilip 1047227569Sphilip EFSYS_ASSERT(eecp->eec_exception != NULL); 1048227569Sphilip should_abort = eecp->eec_exception(arg, 1049227569Sphilip EFX_EXCEPTION_RX_DSC_ERROR, 0); 1050227569Sphilip 1051227569Sphilip break; 1052227569Sphilip 1053227569Sphilip case FSE_AZ_TX_DSC_ERROR_EV: 1054227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DSC_ERROR); 1055227569Sphilip 1056227569Sphilip EFSYS_PROBE(tx_dsc_error); 1057227569Sphilip 1058227569Sphilip EFSYS_ASSERT(eecp->eec_exception != NULL); 1059227569Sphilip should_abort = eecp->eec_exception(arg, 1060227569Sphilip EFX_EXCEPTION_TX_DSC_ERROR, 0); 1061227569Sphilip 1062227569Sphilip break; 1063227569Sphilip 1064227569Sphilip default: 1065227569Sphilip break; 1066227569Sphilip } 1067227569Sphilip 1068227569Sphilip return (should_abort); 1069227569Sphilip} 1070227569Sphilip 1071227569Sphilipstatic __checkReturn boolean_t 1072301345Sarybchiksiena_ev_drv_gen( 1073227569Sphilip __in efx_evq_t *eep, 1074227569Sphilip __in efx_qword_t *eqp, 1075227569Sphilip __in const efx_ev_callbacks_t *eecp, 1076227569Sphilip __in_opt void *arg) 1077227569Sphilip{ 1078227569Sphilip uint32_t data; 1079227569Sphilip boolean_t should_abort; 1080227569Sphilip 1081227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRV_GEN); 1082227569Sphilip 1083227569Sphilip data = EFX_QWORD_FIELD(*eqp, FSF_AZ_EV_DATA_DW0); 1084227569Sphilip if (data >= ((uint32_t)1 << 16)) { 1085227569Sphilip EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, 1086227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), 1087227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); 1088227569Sphilip return (B_TRUE); 1089227569Sphilip } 1090227569Sphilip 1091227569Sphilip EFSYS_ASSERT(eecp->eec_software != NULL); 1092227569Sphilip should_abort = eecp->eec_software(arg, (uint16_t)data); 1093227569Sphilip 1094227569Sphilip return (should_abort); 1095227569Sphilip} 1096227569Sphilip 1097227569Sphilip#if EFSYS_OPT_MCDI 1098227569Sphilip 1099227569Sphilipstatic __checkReturn boolean_t 1100301345Sarybchiksiena_ev_mcdi( 1101227569Sphilip __in efx_evq_t *eep, 1102227569Sphilip __in efx_qword_t *eqp, 1103227569Sphilip __in const efx_ev_callbacks_t *eecp, 1104227569Sphilip __in_opt void *arg) 1105227569Sphilip{ 1106227569Sphilip efx_nic_t *enp = eep->ee_enp; 1107311062Sarybchik unsigned int code; 1108227569Sphilip boolean_t should_abort = B_FALSE; 1109227569Sphilip 1110227569Sphilip EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); 1111227569Sphilip 1112227569Sphilip if (enp->en_family != EFX_FAMILY_SIENA) 1113227569Sphilip goto out; 1114227569Sphilip 1115280555Sarybchik EFSYS_ASSERT(eecp->eec_link_change != NULL); 1116280555Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 1117280555Sarybchik#if EFSYS_OPT_MON_STATS 1118280555Sarybchik EFSYS_ASSERT(eecp->eec_monitor != NULL); 1119280555Sarybchik#endif 1120280555Sarybchik 1121227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_MCDI_RESPONSE); 1122227569Sphilip 1123227569Sphilip code = EFX_QWORD_FIELD(*eqp, MCDI_EVENT_CODE); 1124227569Sphilip switch (code) { 1125227569Sphilip case MCDI_EVENT_CODE_BADSSERT: 1126227569Sphilip efx_mcdi_ev_death(enp, EINTR); 1127227569Sphilip break; 1128227569Sphilip 1129227569Sphilip case MCDI_EVENT_CODE_CMDDONE: 1130227569Sphilip efx_mcdi_ev_cpl(enp, 1131284555Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_SEQ), 1132284555Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_DATALEN), 1133284555Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_ERRNO)); 1134227569Sphilip break; 1135227569Sphilip 1136227569Sphilip case MCDI_EVENT_CODE_LINKCHANGE: { 1137227569Sphilip efx_link_mode_t link_mode; 1138227569Sphilip 1139227569Sphilip siena_phy_link_ev(enp, eqp, &link_mode); 1140227569Sphilip should_abort = eecp->eec_link_change(arg, link_mode); 1141227569Sphilip break; 1142227569Sphilip } 1143227569Sphilip case MCDI_EVENT_CODE_SENSOREVT: { 1144227569Sphilip#if EFSYS_OPT_MON_STATS 1145227569Sphilip efx_mon_stat_t id; 1146227569Sphilip efx_mon_stat_value_t value; 1147293927Sarybchik efx_rc_t rc; 1148227569Sphilip 1149284555Sarybchik if ((rc = mcdi_mon_ev(enp, eqp, &id, &value)) == 0) 1150227569Sphilip should_abort = eecp->eec_monitor(arg, id, value); 1151227569Sphilip else if (rc == ENOTSUP) { 1152227569Sphilip should_abort = eecp->eec_exception(arg, 1153227569Sphilip EFX_EXCEPTION_UNKNOWN_SENSOREVT, 1154227569Sphilip MCDI_EV_FIELD(eqp, DATA)); 1155227569Sphilip } else 1156227569Sphilip EFSYS_ASSERT(rc == ENODEV); /* Wrong port */ 1157227569Sphilip#else 1158227569Sphilip should_abort = B_FALSE; 1159227569Sphilip#endif 1160227569Sphilip break; 1161227569Sphilip } 1162227569Sphilip case MCDI_EVENT_CODE_SCHEDERR: 1163227569Sphilip /* Informational only */ 1164227569Sphilip break; 1165227569Sphilip 1166227569Sphilip case MCDI_EVENT_CODE_REBOOT: 1167227569Sphilip efx_mcdi_ev_death(enp, EIO); 1168227569Sphilip break; 1169227569Sphilip 1170227569Sphilip case MCDI_EVENT_CODE_MAC_STATS_DMA: 1171227569Sphilip#if EFSYS_OPT_MAC_STATS 1172227569Sphilip if (eecp->eec_mac_stats != NULL) { 1173227569Sphilip eecp->eec_mac_stats(arg, 1174227569Sphilip MCDI_EV_FIELD(eqp, MAC_STATS_DMA_GENERATION)); 1175227569Sphilip } 1176227569Sphilip#endif 1177227569Sphilip break; 1178227569Sphilip 1179227569Sphilip case MCDI_EVENT_CODE_FWALERT: { 1180227569Sphilip uint32_t reason = MCDI_EV_FIELD(eqp, FWALERT_REASON); 1181227569Sphilip 1182227569Sphilip if (reason == MCDI_EVENT_FWALERT_REASON_SRAM_ACCESS) 1183227569Sphilip should_abort = eecp->eec_exception(arg, 1184227569Sphilip EFX_EXCEPTION_FWALERT_SRAM, 1185227569Sphilip MCDI_EV_FIELD(eqp, FWALERT_DATA)); 1186227569Sphilip else 1187227569Sphilip should_abort = eecp->eec_exception(arg, 1188227569Sphilip EFX_EXCEPTION_UNKNOWN_FWALERT, 1189227569Sphilip MCDI_EV_FIELD(eqp, DATA)); 1190227569Sphilip break; 1191227569Sphilip } 1192227569Sphilip 1193227569Sphilip default: 1194227569Sphilip EFSYS_PROBE1(mc_pcol_error, int, code); 1195227569Sphilip break; 1196227569Sphilip } 1197227569Sphilip 1198227569Sphilipout: 1199227569Sphilip return (should_abort); 1200227569Sphilip} 1201227569Sphilip 1202280563Sarybchik#endif /* EFSYS_OPT_MCDI */ 1203227569Sphilip 1204293927Sarybchikstatic __checkReturn efx_rc_t 1205301345Sarybchiksiena_ev_qprime( 1206227569Sphilip __in efx_evq_t *eep, 1207227569Sphilip __in unsigned int count) 1208227569Sphilip{ 1209227569Sphilip efx_nic_t *enp = eep->ee_enp; 1210227569Sphilip uint32_t rptr; 1211227569Sphilip efx_dword_t dword; 1212227569Sphilip 1213227569Sphilip rptr = count & eep->ee_mask; 1214227569Sphilip 1215227569Sphilip EFX_POPULATE_DWORD_1(dword, FRF_AZ_EVQ_RPTR, rptr); 1216227569Sphilip 1217227569Sphilip EFX_BAR_TBL_WRITED(enp, FR_AZ_EVQ_RPTR_REG, eep->ee_index, 1218227569Sphilip &dword, B_FALSE); 1219227569Sphilip 1220227569Sphilip return (0); 1221227569Sphilip} 1222227569Sphilip 1223284555Sarybchikstatic void 1224301345Sarybchiksiena_ev_qpost( 1225227569Sphilip __in efx_evq_t *eep, 1226227569Sphilip __in uint16_t data) 1227227569Sphilip{ 1228227569Sphilip efx_nic_t *enp = eep->ee_enp; 1229227569Sphilip efx_qword_t ev; 1230227569Sphilip efx_oword_t oword; 1231227569Sphilip 1232227569Sphilip EFX_POPULATE_QWORD_2(ev, FSF_AZ_EV_CODE, FSE_AZ_EV_CODE_DRV_GEN_EV, 1233227569Sphilip FSF_AZ_EV_DATA_DW0, (uint32_t)data); 1234227569Sphilip 1235227569Sphilip EFX_POPULATE_OWORD_3(oword, FRF_AZ_DRV_EV_QID, eep->ee_index, 1236227569Sphilip EFX_DWORD_0, EFX_QWORD_FIELD(ev, EFX_DWORD_0), 1237227569Sphilip EFX_DWORD_1, EFX_QWORD_FIELD(ev, EFX_DWORD_1)); 1238227569Sphilip 1239227569Sphilip EFX_BAR_WRITEO(enp, FR_AZ_DRV_EV_REG, &oword); 1240227569Sphilip} 1241227569Sphilip 1242293927Sarybchikstatic __checkReturn efx_rc_t 1243301345Sarybchiksiena_ev_qmoderate( 1244227569Sphilip __in efx_evq_t *eep, 1245227569Sphilip __in unsigned int us) 1246227569Sphilip{ 1247227569Sphilip efx_nic_t *enp = eep->ee_enp; 1248280550Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1249227569Sphilip unsigned int locked; 1250227569Sphilip efx_dword_t dword; 1251293927Sarybchik efx_rc_t rc; 1252227569Sphilip 1253280588Sarybchik if (us > encp->enc_evq_timer_max_us) { 1254227569Sphilip rc = EINVAL; 1255227569Sphilip goto fail1; 1256227569Sphilip } 1257227569Sphilip 1258227569Sphilip /* If the value is zero then disable the timer */ 1259227569Sphilip if (us == 0) { 1260301330Sarybchik EFX_POPULATE_DWORD_2(dword, 1261301330Sarybchik FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS, 1262301330Sarybchik FRF_CZ_TC_TIMER_VAL, 0); 1263227569Sphilip } else { 1264301984Sarybchik unsigned int ticks; 1265227569Sphilip 1266301984Sarybchik if ((rc = efx_ev_usecs_to_ticks(enp, us, &ticks)) != 0) 1267301984Sarybchik goto fail2; 1268227569Sphilip 1269301984Sarybchik EFSYS_ASSERT(ticks > 0); 1270301330Sarybchik EFX_POPULATE_DWORD_2(dword, 1271301330Sarybchik FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF, 1272301984Sarybchik FRF_CZ_TC_TIMER_VAL, ticks - 1); 1273227569Sphilip } 1274227569Sphilip 1275227569Sphilip locked = (eep->ee_index == 0) ? 1 : 0; 1276227569Sphilip 1277227569Sphilip EFX_BAR_TBL_WRITED(enp, FR_BZ_TIMER_COMMAND_REGP0, 1278227569Sphilip eep->ee_index, &dword, locked); 1279227569Sphilip 1280227569Sphilip return (0); 1281227569Sphilip 1282301984Sarybchikfail2: 1283301984Sarybchik EFSYS_PROBE(fail2); 1284227569Sphilipfail1: 1285293927Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1286227569Sphilip 1287227569Sphilip return (rc); 1288227569Sphilip} 1289227569Sphilip 1290293927Sarybchikstatic __checkReturn efx_rc_t 1291301345Sarybchiksiena_ev_qcreate( 1292227569Sphilip __in efx_nic_t *enp, 1293227569Sphilip __in unsigned int index, 1294227569Sphilip __in efsys_mem_t *esmp, 1295227569Sphilip __in size_t n, 1296227569Sphilip __in uint32_t id, 1297301980Sarybchik __in uint32_t us, 1298311070Sarybchik __in uint32_t flags, 1299284555Sarybchik __in efx_evq_t *eep) 1300227569Sphilip{ 1301227569Sphilip efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1302227569Sphilip uint32_t size; 1303227569Sphilip efx_oword_t oword; 1304293927Sarybchik efx_rc_t rc; 1305311094Sarybchik boolean_t notify_mode; 1306227569Sphilip 1307301392Sarybchik _NOTE(ARGUNUSED(esmp)) 1308301392Sarybchik 1309284555Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MAXNEVS)); 1310284555Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MINNEVS)); 1311227569Sphilip 1312284555Sarybchik if (!ISP2(n) || (n < EFX_EVQ_MINNEVS) || (n > EFX_EVQ_MAXNEVS)) { 1313227569Sphilip rc = EINVAL; 1314227569Sphilip goto fail1; 1315227569Sphilip } 1316227569Sphilip if (index >= encp->enc_evq_limit) { 1317227569Sphilip rc = EINVAL; 1318227569Sphilip goto fail2; 1319227569Sphilip } 1320227569Sphilip#if EFSYS_OPT_RX_SCALE 1321227569Sphilip if (enp->en_intr.ei_type == EFX_INTR_LINE && 1322227569Sphilip index >= EFX_MAXRSS_LEGACY) { 1323227569Sphilip rc = EINVAL; 1324227569Sphilip goto fail3; 1325227569Sphilip } 1326227569Sphilip#endif 1327227569Sphilip for (size = 0; (1 << size) <= (EFX_EVQ_MAXNEVS / EFX_EVQ_MINNEVS); 1328227569Sphilip size++) 1329227569Sphilip if ((1 << size) == (int)(n / EFX_EVQ_MINNEVS)) 1330227569Sphilip break; 1331227569Sphilip if (id + (1 << size) >= encp->enc_buftbl_limit) { 1332227569Sphilip rc = EINVAL; 1333227569Sphilip goto fail4; 1334227569Sphilip } 1335227569Sphilip 1336227569Sphilip /* Set up the handler table */ 1337301345Sarybchik eep->ee_rx = siena_ev_rx; 1338301345Sarybchik eep->ee_tx = siena_ev_tx; 1339301345Sarybchik eep->ee_driver = siena_ev_driver; 1340301345Sarybchik eep->ee_global = siena_ev_global; 1341301345Sarybchik eep->ee_drv_gen = siena_ev_drv_gen; 1342227569Sphilip#if EFSYS_OPT_MCDI 1343301345Sarybchik eep->ee_mcdi = siena_ev_mcdi; 1344280563Sarybchik#endif /* EFSYS_OPT_MCDI */ 1345227569Sphilip 1346311094Sarybchik notify_mode = ((flags & EFX_EVQ_FLAGS_NOTIFY_MASK) != 1347311094Sarybchik EFX_EVQ_FLAGS_NOTIFY_INTERRUPT); 1348311094Sarybchik 1349227569Sphilip /* Set up the new event queue */ 1350311094Sarybchik EFX_POPULATE_OWORD_3(oword, FRF_CZ_TIMER_Q_EN, 1, 1351311094Sarybchik FRF_CZ_HOST_NOTIFY_MODE, notify_mode, 1352311094Sarybchik FRF_CZ_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS); 1353301330Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, index, &oword, B_TRUE); 1354227569Sphilip 1355227569Sphilip EFX_POPULATE_OWORD_3(oword, FRF_AZ_EVQ_EN, 1, FRF_AZ_EVQ_SIZE, size, 1356227569Sphilip FRF_AZ_EVQ_BUF_BASE_ID, id); 1357227569Sphilip 1358284555Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, index, &oword, B_TRUE); 1359227569Sphilip 1360301980Sarybchik /* Set initial interrupt moderation */ 1361301980Sarybchik siena_ev_qmoderate(eep, us); 1362301980Sarybchik 1363227569Sphilip return (0); 1364227569Sphilip 1365227569Sphilipfail4: 1366227569Sphilip EFSYS_PROBE(fail4); 1367227569Sphilip#if EFSYS_OPT_RX_SCALE 1368227569Sphilipfail3: 1369227569Sphilip EFSYS_PROBE(fail3); 1370227569Sphilip#endif 1371227569Sphilipfail2: 1372227569Sphilip EFSYS_PROBE(fail2); 1373227569Sphilipfail1: 1374293927Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1375227569Sphilip 1376227569Sphilip return (rc); 1377227569Sphilip} 1378227569Sphilip 1379301324Sarybchik#endif /* EFSYS_OPT_SIENA */ 1380284555Sarybchik 1381280510Sarybchik#if EFSYS_OPT_QSTATS 1382227569Sphilip#if EFSYS_OPT_NAMES 1383311059Sarybchik/* START MKCONFIG GENERATED EfxEventQueueStatNamesBlock c0f3bc5083b40532 */ 1384311059Sarybchikstatic const char * const __efx_ev_qstat_name[] = { 1385227569Sphilip "all", 1386227569Sphilip "rx", 1387227569Sphilip "rx_ok", 1388227569Sphilip "rx_frm_trunc", 1389227569Sphilip "rx_tobe_disc", 1390227569Sphilip "rx_pause_frm_err", 1391227569Sphilip "rx_buf_owner_id_err", 1392227569Sphilip "rx_ipv4_hdr_chksum_err", 1393227569Sphilip "rx_tcp_udp_chksum_err", 1394227569Sphilip "rx_eth_crc_err", 1395227569Sphilip "rx_ip_frag_err", 1396227569Sphilip "rx_mcast_pkt", 1397227569Sphilip "rx_mcast_hash_match", 1398227569Sphilip "rx_tcp_ipv4", 1399227569Sphilip "rx_tcp_ipv6", 1400227569Sphilip "rx_udp_ipv4", 1401227569Sphilip "rx_udp_ipv6", 1402227569Sphilip "rx_other_ipv4", 1403227569Sphilip "rx_other_ipv6", 1404227569Sphilip "rx_non_ip", 1405284555Sarybchik "rx_batch", 1406227569Sphilip "tx", 1407227569Sphilip "tx_wq_ff_full", 1408227569Sphilip "tx_pkt_err", 1409227569Sphilip "tx_pkt_too_big", 1410227569Sphilip "tx_unexpected", 1411227569Sphilip "global", 1412227569Sphilip "global_mnt", 1413227569Sphilip "driver", 1414227569Sphilip "driver_srm_upd_done", 1415227569Sphilip "driver_tx_descq_fls_done", 1416227569Sphilip "driver_rx_descq_fls_done", 1417227569Sphilip "driver_rx_descq_fls_failed", 1418227569Sphilip "driver_rx_dsc_error", 1419227569Sphilip "driver_tx_dsc_error", 1420227569Sphilip "drv_gen", 1421227569Sphilip "mcdi_response", 1422227569Sphilip}; 1423227569Sphilip/* END MKCONFIG GENERATED EfxEventQueueStatNamesBlock */ 1424227569Sphilip 1425284555Sarybchik const char * 1426227569Sphilipefx_ev_qstat_name( 1427227569Sphilip __in efx_nic_t *enp, 1428227569Sphilip __in unsigned int id) 1429227569Sphilip{ 1430342501Sarybchik _NOTE(ARGUNUSED(enp)) 1431342501Sarybchik 1432227569Sphilip EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 1433227569Sphilip EFSYS_ASSERT3U(id, <, EV_NQSTATS); 1434227569Sphilip 1435227569Sphilip return (__efx_ev_qstat_name[id]); 1436227569Sphilip} 1437227569Sphilip#endif /* EFSYS_OPT_NAMES */ 1438280510Sarybchik#endif /* EFSYS_OPT_QSTATS */ 1439227569Sphilip 1440301324Sarybchik#if EFSYS_OPT_SIENA 1441284555Sarybchik 1442227569Sphilip#if EFSYS_OPT_QSTATS 1443284555Sarybchikstatic void 1444301345Sarybchiksiena_ev_qstats_update( 1445227569Sphilip __in efx_evq_t *eep, 1446227569Sphilip __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) 1447227569Sphilip{ 1448227569Sphilip unsigned int id; 1449227569Sphilip 1450227569Sphilip for (id = 0; id < EV_NQSTATS; id++) { 1451227569Sphilip efsys_stat_t *essp = &stat[id]; 1452227569Sphilip 1453227569Sphilip EFSYS_STAT_INCR(essp, eep->ee_stat[id]); 1454227569Sphilip eep->ee_stat[id] = 0; 1455227569Sphilip } 1456227569Sphilip} 1457227569Sphilip#endif /* EFSYS_OPT_QSTATS */ 1458227569Sphilip 1459284555Sarybchikstatic void 1460301345Sarybchiksiena_ev_qdestroy( 1461227569Sphilip __in efx_evq_t *eep) 1462227569Sphilip{ 1463227569Sphilip efx_nic_t *enp = eep->ee_enp; 1464227569Sphilip efx_oword_t oword; 1465227569Sphilip 1466227569Sphilip /* Purge event queue */ 1467227569Sphilip EFX_ZERO_OWORD(oword); 1468227569Sphilip 1469227569Sphilip EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, 1470284555Sarybchik eep->ee_index, &oword, B_TRUE); 1471227569Sphilip 1472301330Sarybchik EFX_ZERO_OWORD(oword); 1473301330Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, eep->ee_index, &oword, B_TRUE); 1474227569Sphilip} 1475227569Sphilip 1476284555Sarybchikstatic void 1477301345Sarybchiksiena_ev_fini( 1478227569Sphilip __in efx_nic_t *enp) 1479227569Sphilip{ 1480284555Sarybchik _NOTE(ARGUNUSED(enp)) 1481284555Sarybchik} 1482227569Sphilip 1483301324Sarybchik#endif /* EFSYS_OPT_SIENA */ 1484