1227569Sphilip/*- 2300607Sarybchik * Copyright (c) 2007-2016 Solarflare Communications Inc. 3283514Sarybchik * All rights reserved. 4227569Sphilip * 5227569Sphilip * Redistribution and use in source and binary forms, with or without 6283514Sarybchik * modification, are permitted provided that the following conditions are met: 7227569Sphilip * 8283514Sarybchik * 1. Redistributions of source code must retain the above copyright notice, 9283514Sarybchik * this list of conditions and the following disclaimer. 10283514Sarybchik * 2. Redistributions in binary form must reproduce the above copyright notice, 11283514Sarybchik * this list of conditions and the following disclaimer in the documentation 12283514Sarybchik * and/or other materials provided with the distribution. 13283514Sarybchik * 14283514Sarybchik * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15283514Sarybchik * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16283514Sarybchik * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17283514Sarybchik * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18283514Sarybchik * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19283514Sarybchik * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20283514Sarybchik * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21283514Sarybchik * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22283514Sarybchik * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23283514Sarybchik * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 24283514Sarybchik * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25283514Sarybchik * 26283514Sarybchik * The views and conclusions contained in the software and documentation are 27283514Sarybchik * those of the authors and should not be interpreted as representing official 28283514Sarybchik * policies, either expressed or implied, of the FreeBSD Project. 29227569Sphilip */ 30227569Sphilip 31228078Sphilip#include <sys/cdefs.h> 32228078Sphilip__FBSDID("$FreeBSD: stable/11/sys/dev/sfxge/common/efx_ev.c 342450 2018-12-25 07:33:02Z arybchik $"); 33228078Sphilip 34227569Sphilip#include "efx.h" 35227569Sphilip#include "efx_impl.h" 36293814Sarybchik#if EFSYS_OPT_MON_MCDI 37283514Sarybchik#include "mcdi_mon.h" 38293814Sarybchik#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 50283514Sarybchik#define EFX_EV_PRESENT(_qword) \ 51283514Sarybchik (EFX_QWORD_FIELD((_qword), EFX_DWORD_0) != 0xffffffff && \ 52283514Sarybchik EFX_QWORD_FIELD((_qword), EFX_DWORD_1) != 0xffffffff) 53283514Sarybchik 54283514Sarybchik 55283514Sarybchik 56299320Sarybchik#if EFSYS_OPT_SIENA 57283514Sarybchik 58291436Sarybchikstatic __checkReturn efx_rc_t 59299607Sarybchiksiena_ev_init( 60283514Sarybchik __in efx_nic_t *enp); 61283514Sarybchik 62283514Sarybchikstatic void 63299607Sarybchiksiena_ev_fini( 64283514Sarybchik __in efx_nic_t *enp); 65283514Sarybchik 66291436Sarybchikstatic __checkReturn efx_rc_t 67299607Sarybchiksiena_ev_qcreate( 68283514Sarybchik __in efx_nic_t *enp, 69283514Sarybchik __in unsigned int index, 70283514Sarybchik __in efsys_mem_t *esmp, 71283514Sarybchik __in size_t n, 72283514Sarybchik __in uint32_t id, 73301122Sarybchik __in uint32_t us, 74310939Sarybchik __in uint32_t flags, 75283514Sarybchik __in efx_evq_t *eep); 76283514Sarybchik 77283514Sarybchikstatic void 78299607Sarybchiksiena_ev_qdestroy( 79283514Sarybchik __in efx_evq_t *eep); 80283514Sarybchik 81291436Sarybchikstatic __checkReturn efx_rc_t 82299607Sarybchiksiena_ev_qprime( 83283514Sarybchik __in efx_evq_t *eep, 84283514Sarybchik __in unsigned int count); 85283514Sarybchik 86283514Sarybchikstatic void 87299607Sarybchiksiena_ev_qpost( 88283514Sarybchik __in efx_evq_t *eep, 89283514Sarybchik __in uint16_t data); 90283514Sarybchik 91291436Sarybchikstatic __checkReturn efx_rc_t 92299607Sarybchiksiena_ev_qmoderate( 93283514Sarybchik __in efx_evq_t *eep, 94283514Sarybchik __in unsigned int us); 95283514Sarybchik 96283514Sarybchik#if EFSYS_OPT_QSTATS 97283514Sarybchikstatic void 98299607Sarybchiksiena_ev_qstats_update( 99283514Sarybchik __in efx_evq_t *eep, 100283514Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat); 101283514Sarybchik 102283514Sarybchik#endif 103283514Sarybchik 104299320Sarybchik#endif /* EFSYS_OPT_SIENA */ 105283514Sarybchik 106283514Sarybchik#if EFSYS_OPT_SIENA 107299517Sarybchikstatic const efx_ev_ops_t __efx_ev_siena_ops = { 108299607Sarybchik siena_ev_init, /* eevo_init */ 109299607Sarybchik siena_ev_fini, /* eevo_fini */ 110299607Sarybchik siena_ev_qcreate, /* eevo_qcreate */ 111299607Sarybchik siena_ev_qdestroy, /* eevo_qdestroy */ 112299607Sarybchik siena_ev_qprime, /* eevo_qprime */ 113299607Sarybchik siena_ev_qpost, /* eevo_qpost */ 114299607Sarybchik siena_ev_qmoderate, /* eevo_qmoderate */ 115283514Sarybchik#if EFSYS_OPT_QSTATS 116299607Sarybchik siena_ev_qstats_update, /* eevo_qstats_update */ 117283514Sarybchik#endif 118283514Sarybchik}; 119283514Sarybchik#endif /* EFSYS_OPT_SIENA */ 120283514Sarybchik 121293752Sarybchik#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 122299517Sarybchikstatic const efx_ev_ops_t __efx_ev_ef10_ops = { 123293752Sarybchik ef10_ev_init, /* eevo_init */ 124293752Sarybchik ef10_ev_fini, /* eevo_fini */ 125293752Sarybchik ef10_ev_qcreate, /* eevo_qcreate */ 126293752Sarybchik ef10_ev_qdestroy, /* eevo_qdestroy */ 127293752Sarybchik ef10_ev_qprime, /* eevo_qprime */ 128293752Sarybchik ef10_ev_qpost, /* eevo_qpost */ 129293752Sarybchik ef10_ev_qmoderate, /* eevo_qmoderate */ 130283514Sarybchik#if EFSYS_OPT_QSTATS 131293752Sarybchik ef10_ev_qstats_update, /* eevo_qstats_update */ 132283514Sarybchik#endif 133283514Sarybchik}; 134293752Sarybchik#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 135283514Sarybchik 136283514Sarybchik 137291436Sarybchik __checkReturn efx_rc_t 138227569Sphilipefx_ev_init( 139227569Sphilip __in efx_nic_t *enp) 140227569Sphilip{ 141299517Sarybchik const efx_ev_ops_t *eevop; 142291436Sarybchik 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 152283514Sarybchik switch (enp->en_family) { 153283514Sarybchik#if EFSYS_OPT_SIENA 154283514Sarybchik case EFX_FAMILY_SIENA: 155299517Sarybchik eevop = &__efx_ev_siena_ops; 156283514Sarybchik break; 157283514Sarybchik#endif /* EFSYS_OPT_SIENA */ 158283514Sarybchik 159283514Sarybchik#if EFSYS_OPT_HUNTINGTON 160283514Sarybchik case EFX_FAMILY_HUNTINGTON: 161299517Sarybchik eevop = &__efx_ev_ef10_ops; 162283514Sarybchik break; 163283514Sarybchik#endif /* EFSYS_OPT_HUNTINGTON */ 164283514Sarybchik 165293752Sarybchik#if EFSYS_OPT_MEDFORD 166293752Sarybchik case EFX_FAMILY_MEDFORD: 167299517Sarybchik eevop = &__efx_ev_ef10_ops; 168293752Sarybchik break; 169293752Sarybchik#endif /* EFSYS_OPT_MEDFORD */ 170293752Sarybchik 171283514Sarybchik default: 172283514Sarybchik EFSYS_ASSERT(0); 173283514Sarybchik rc = ENOTSUP; 174283514Sarybchik goto fail1; 175283514Sarybchik } 176283514Sarybchik 177227569Sphilip EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 178227569Sphilip 179283514Sarybchik if ((rc = eevop->eevo_init(enp)) != 0) 180283514Sarybchik goto fail2; 181283514Sarybchik 182283514Sarybchik enp->en_eevop = eevop; 183283514Sarybchik enp->en_mod_flags |= EFX_MOD_EV; 184283514Sarybchik return (0); 185283514Sarybchik 186283514Sarybchikfail2: 187283514Sarybchik EFSYS_PROBE(fail2); 188283514Sarybchik 189283514Sarybchikfail1: 190291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 191283514Sarybchik 192283514Sarybchik enp->en_eevop = NULL; 193283514Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 194283514Sarybchik return (rc); 195283514Sarybchik} 196283514Sarybchik 197283514Sarybchik void 198283514Sarybchikefx_ev_fini( 199283514Sarybchik __in efx_nic_t *enp) 200283514Sarybchik{ 201299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 202283514Sarybchik 203283514Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 204283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); 205283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 206283514Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_RX)); 207283514Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_TX)); 208283514Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 209283514Sarybchik 210283514Sarybchik eevop->eevo_fini(enp); 211283514Sarybchik 212283514Sarybchik enp->en_eevop = NULL; 213283514Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 214283514Sarybchik} 215283514Sarybchik 216283514Sarybchik 217291436Sarybchik __checkReturn efx_rc_t 218283514Sarybchikefx_ev_qcreate( 219283514Sarybchik __in efx_nic_t *enp, 220283514Sarybchik __in unsigned int index, 221283514Sarybchik __in efsys_mem_t *esmp, 222283514Sarybchik __in size_t n, 223283514Sarybchik __in uint32_t id, 224301122Sarybchik __in uint32_t us, 225310939Sarybchik __in uint32_t flags, 226283514Sarybchik __deref_out efx_evq_t **eepp) 227283514Sarybchik{ 228299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 229283514Sarybchik efx_evq_t *eep; 230291436Sarybchik efx_rc_t rc; 231283514Sarybchik 232283514Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 233283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 234283514Sarybchik 235342431Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <, 236342431Sarybchik enp->en_nic_cfg.enc_evq_limit); 237283514Sarybchik 238311031Sarybchik switch (flags & EFX_EVQ_FLAGS_NOTIFY_MASK) { 239311031Sarybchik case EFX_EVQ_FLAGS_NOTIFY_INTERRUPT: 240311031Sarybchik break; 241311031Sarybchik case EFX_EVQ_FLAGS_NOTIFY_DISABLED: 242311031Sarybchik if (us != 0) { 243311031Sarybchik rc = EINVAL; 244311031Sarybchik goto fail1; 245311031Sarybchik } 246311031Sarybchik break; 247311031Sarybchik default: 248311031Sarybchik rc = EINVAL; 249311031Sarybchik goto fail2; 250311031Sarybchik } 251311031Sarybchik 252283514Sarybchik /* Allocate an EVQ object */ 253283514Sarybchik EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep); 254283514Sarybchik if (eep == NULL) { 255283514Sarybchik rc = ENOMEM; 256311031Sarybchik goto fail3; 257283514Sarybchik } 258283514Sarybchik 259283514Sarybchik eep->ee_magic = EFX_EVQ_MAGIC; 260283514Sarybchik eep->ee_enp = enp; 261283514Sarybchik eep->ee_index = index; 262283514Sarybchik eep->ee_mask = n - 1; 263311031Sarybchik eep->ee_flags = flags; 264283514Sarybchik eep->ee_esmp = esmp; 265283514Sarybchik 266300605Sarybchik /* 267300605Sarybchik * Set outputs before the queue is created because interrupts may be 268300605Sarybchik * raised for events immediately after the queue is created, before the 269300605Sarybchik * function call below returns. See bug58606. 270300605Sarybchik * 271300605Sarybchik * The eepp pointer passed in by the client must therefore point to data 272300605Sarybchik * shared with the client's event processing context. 273300605Sarybchik */ 274300605Sarybchik enp->en_ev_qcount++; 275300605Sarybchik *eepp = eep; 276300605Sarybchik 277310939Sarybchik if ((rc = eevop->eevo_qcreate(enp, index, esmp, n, id, us, flags, 278310939Sarybchik eep)) != 0) 279311031Sarybchik goto fail4; 280283514Sarybchik 281283514Sarybchik return (0); 282283514Sarybchik 283311031Sarybchikfail4: 284311031Sarybchik EFSYS_PROBE(fail4); 285300605Sarybchik 286300605Sarybchik *eepp = NULL; 287300605Sarybchik enp->en_ev_qcount--; 288283514Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 289311031Sarybchikfail3: 290311031Sarybchik EFSYS_PROBE(fail3); 291311031Sarybchikfail2: 292311031Sarybchik EFSYS_PROBE(fail2); 293283514Sarybchikfail1: 294291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 295283514Sarybchik return (rc); 296283514Sarybchik} 297283514Sarybchik 298283514Sarybchik void 299283514Sarybchikefx_ev_qdestroy( 300283514Sarybchik __in efx_evq_t *eep) 301283514Sarybchik{ 302283514Sarybchik efx_nic_t *enp = eep->ee_enp; 303299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 304283514Sarybchik 305283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 306283514Sarybchik 307283514Sarybchik EFSYS_ASSERT(enp->en_ev_qcount != 0); 308283514Sarybchik --enp->en_ev_qcount; 309283514Sarybchik 310283514Sarybchik eevop->eevo_qdestroy(eep); 311283514Sarybchik 312283514Sarybchik /* Free the EVQ object */ 313283514Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 314283514Sarybchik} 315283514Sarybchik 316291436Sarybchik __checkReturn efx_rc_t 317283514Sarybchikefx_ev_qprime( 318283514Sarybchik __in efx_evq_t *eep, 319283514Sarybchik __in unsigned int count) 320283514Sarybchik{ 321283514Sarybchik efx_nic_t *enp = eep->ee_enp; 322299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 323291436Sarybchik efx_rc_t rc; 324283514Sarybchik 325283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 326283514Sarybchik 327283514Sarybchik if (!(enp->en_mod_flags & EFX_MOD_INTR)) { 328283514Sarybchik rc = EINVAL; 329283514Sarybchik goto fail1; 330283514Sarybchik } 331283514Sarybchik 332283514Sarybchik if ((rc = eevop->eevo_qprime(eep, count)) != 0) 333283514Sarybchik goto fail2; 334283514Sarybchik 335283514Sarybchik return (0); 336283514Sarybchik 337283514Sarybchikfail2: 338283514Sarybchik EFSYS_PROBE(fail2); 339283514Sarybchikfail1: 340291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 341283514Sarybchik return (rc); 342283514Sarybchik} 343283514Sarybchik 344283514Sarybchik __checkReturn boolean_t 345283514Sarybchikefx_ev_qpending( 346283514Sarybchik __in efx_evq_t *eep, 347283514Sarybchik __in unsigned int count) 348283514Sarybchik{ 349283514Sarybchik size_t offset; 350283514Sarybchik efx_qword_t qword; 351283514Sarybchik 352283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 353283514Sarybchik 354283514Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 355283514Sarybchik EFSYS_MEM_READQ(eep->ee_esmp, offset, &qword); 356283514Sarybchik 357283514Sarybchik return (EFX_EV_PRESENT(qword)); 358283514Sarybchik} 359283514Sarybchik 360283514Sarybchik#if EFSYS_OPT_EV_PREFETCH 361283514Sarybchik 362283514Sarybchik void 363283514Sarybchikefx_ev_qprefetch( 364283514Sarybchik __in efx_evq_t *eep, 365283514Sarybchik __in unsigned int count) 366283514Sarybchik{ 367283514Sarybchik unsigned int offset; 368283514Sarybchik 369283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 370283514Sarybchik 371283514Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 372283514Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 373283514Sarybchik} 374283514Sarybchik 375283514Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 376283514Sarybchik 377311482Sarybchik#define EFX_EV_BATCH 8 378311482Sarybchik 379283514Sarybchik void 380283514Sarybchikefx_ev_qpoll( 381283514Sarybchik __in efx_evq_t *eep, 382283514Sarybchik __inout unsigned int *countp, 383283514Sarybchik __in const efx_ev_callbacks_t *eecp, 384283514Sarybchik __in_opt void *arg) 385283514Sarybchik{ 386311482Sarybchik efx_qword_t ev[EFX_EV_BATCH]; 387311482Sarybchik unsigned int batch; 388311482Sarybchik unsigned int total; 389311482Sarybchik unsigned int count; 390311482Sarybchik unsigned int index; 391311482Sarybchik size_t offset; 392283514Sarybchik 393311482Sarybchik /* Ensure events codes match for EF10 (Huntington/Medford) and Siena */ 394283514Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_LBN == FSF_AZ_EV_CODE_LBN); 395283514Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_WIDTH == FSF_AZ_EV_CODE_WIDTH); 396283514Sarybchik 397283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_RX_EV == FSE_AZ_EV_CODE_RX_EV); 398283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_TX_EV == FSE_AZ_EV_CODE_TX_EV); 399283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRIVER_EV == FSE_AZ_EV_CODE_DRIVER_EV); 400283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRV_GEN_EV == 401283514Sarybchik FSE_AZ_EV_CODE_DRV_GEN_EV); 402283514Sarybchik#if EFSYS_OPT_MCDI 403283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_MCDI_EV == 404283514Sarybchik FSE_AZ_EV_CODE_MCDI_EVRESPONSE); 405283514Sarybchik#endif 406311482Sarybchik 407311482Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 408311482Sarybchik EFSYS_ASSERT(countp != NULL); 409311482Sarybchik EFSYS_ASSERT(eecp != NULL); 410311482Sarybchik 411311482Sarybchik count = *countp; 412311482Sarybchik do { 413311482Sarybchik /* Read up until the end of the batch period */ 414311482Sarybchik batch = EFX_EV_BATCH - (count & (EFX_EV_BATCH - 1)); 415311482Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 416311482Sarybchik for (total = 0; total < batch; ++total) { 417311482Sarybchik EFSYS_MEM_READQ(eep->ee_esmp, offset, &(ev[total])); 418311482Sarybchik 419311482Sarybchik if (!EFX_EV_PRESENT(ev[total])) 420311482Sarybchik break; 421311482Sarybchik 422311482Sarybchik EFSYS_PROBE3(event, unsigned int, eep->ee_index, 423311482Sarybchik uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_1), 424311482Sarybchik uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_0)); 425311482Sarybchik 426311482Sarybchik offset += sizeof (efx_qword_t); 427311482Sarybchik } 428311482Sarybchik 429311482Sarybchik#if EFSYS_OPT_EV_PREFETCH && (EFSYS_OPT_EV_PREFETCH_PERIOD > 1) 430311482Sarybchik /* 431311482Sarybchik * Prefetch the next batch when we get within PREFETCH_PERIOD 432311482Sarybchik * of a completed batch. If the batch is smaller, then prefetch 433311482Sarybchik * immediately. 434311482Sarybchik */ 435311482Sarybchik if (total == batch && total < EFSYS_OPT_EV_PREFETCH_PERIOD) 436311482Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 437311482Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 438311482Sarybchik 439311482Sarybchik /* Process the batch of events */ 440311482Sarybchik for (index = 0; index < total; ++index) { 441311482Sarybchik boolean_t should_abort; 442311482Sarybchik uint32_t code; 443311482Sarybchik 444311482Sarybchik#if EFSYS_OPT_EV_PREFETCH 445311482Sarybchik /* Prefetch if we've now reached the batch period */ 446311482Sarybchik if (total == batch && 447311482Sarybchik index + EFSYS_OPT_EV_PREFETCH_PERIOD == total) { 448311482Sarybchik offset = (count + batch) & eep->ee_mask; 449311482Sarybchik offset *= sizeof (efx_qword_t); 450311482Sarybchik 451311482Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 452311482Sarybchik } 453311482Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 454311482Sarybchik 455311482Sarybchik EFX_EV_QSTAT_INCR(eep, EV_ALL); 456311482Sarybchik 457311482Sarybchik code = EFX_QWORD_FIELD(ev[index], FSF_AZ_EV_CODE); 458311482Sarybchik switch (code) { 459311482Sarybchik case FSE_AZ_EV_CODE_RX_EV: 460311482Sarybchik should_abort = eep->ee_rx(eep, 461311482Sarybchik &(ev[index]), eecp, arg); 462311482Sarybchik break; 463311482Sarybchik case FSE_AZ_EV_CODE_TX_EV: 464311482Sarybchik should_abort = eep->ee_tx(eep, 465311482Sarybchik &(ev[index]), eecp, arg); 466311482Sarybchik break; 467311482Sarybchik case FSE_AZ_EV_CODE_DRIVER_EV: 468311482Sarybchik should_abort = eep->ee_driver(eep, 469311482Sarybchik &(ev[index]), eecp, arg); 470311482Sarybchik break; 471311482Sarybchik case FSE_AZ_EV_CODE_DRV_GEN_EV: 472311482Sarybchik should_abort = eep->ee_drv_gen(eep, 473311482Sarybchik &(ev[index]), eecp, arg); 474311482Sarybchik break; 475311482Sarybchik#if EFSYS_OPT_MCDI 476311482Sarybchik case FSE_AZ_EV_CODE_MCDI_EVRESPONSE: 477311482Sarybchik should_abort = eep->ee_mcdi(eep, 478311482Sarybchik &(ev[index]), eecp, arg); 479311482Sarybchik break; 480311482Sarybchik#endif 481311482Sarybchik case FSE_AZ_EV_CODE_GLOBAL_EV: 482311482Sarybchik if (eep->ee_global) { 483311482Sarybchik should_abort = eep->ee_global(eep, 484311482Sarybchik &(ev[index]), eecp, arg); 485311482Sarybchik break; 486311482Sarybchik } 487311482Sarybchik /* else fallthrough */ 488311482Sarybchik default: 489311482Sarybchik EFSYS_PROBE3(bad_event, 490311482Sarybchik unsigned int, eep->ee_index, 491311482Sarybchik uint32_t, 492311482Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_1), 493311482Sarybchik uint32_t, 494311482Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_0)); 495311482Sarybchik 496311482Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 497311482Sarybchik (void) eecp->eec_exception(arg, 498311482Sarybchik EFX_EXCEPTION_EV_ERROR, code); 499311482Sarybchik should_abort = B_TRUE; 500311482Sarybchik } 501311482Sarybchik if (should_abort) { 502311482Sarybchik /* Ignore subsequent events */ 503311482Sarybchik total = index + 1; 504342450Sarybchik 505342450Sarybchik /* 506342450Sarybchik * Poison batch to ensure the outer 507342450Sarybchik * loop is broken out of. 508342450Sarybchik */ 509342450Sarybchik EFSYS_ASSERT(batch <= EFX_EV_BATCH); 510342450Sarybchik batch += (EFX_EV_BATCH << 1); 511342450Sarybchik EFSYS_ASSERT(total != batch); 512311482Sarybchik break; 513311482Sarybchik } 514311482Sarybchik } 515311482Sarybchik 516311482Sarybchik /* 517311482Sarybchik * Now that the hardware has most likely moved onto dma'ing 518311482Sarybchik * into the next cache line, clear the processed events. Take 519311482Sarybchik * care to only clear out events that we've processed 520311482Sarybchik */ 521311482Sarybchik EFX_SET_QWORD(ev[0]); 522311482Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 523311482Sarybchik for (index = 0; index < total; ++index) { 524311482Sarybchik EFSYS_MEM_WRITEQ(eep->ee_esmp, offset, &(ev[0])); 525311482Sarybchik offset += sizeof (efx_qword_t); 526311482Sarybchik } 527311482Sarybchik 528311482Sarybchik count += total; 529311482Sarybchik 530311482Sarybchik } while (total == batch); 531311482Sarybchik 532311482Sarybchik *countp = count; 533283514Sarybchik} 534283514Sarybchik 535283514Sarybchik void 536283514Sarybchikefx_ev_qpost( 537283514Sarybchik __in efx_evq_t *eep, 538283514Sarybchik __in uint16_t data) 539283514Sarybchik{ 540283514Sarybchik efx_nic_t *enp = eep->ee_enp; 541299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 542283514Sarybchik 543283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 544283514Sarybchik 545283514Sarybchik EFSYS_ASSERT(eevop != NULL && 546283514Sarybchik eevop->eevo_qpost != NULL); 547283514Sarybchik 548283514Sarybchik eevop->eevo_qpost(eep, data); 549283514Sarybchik} 550283514Sarybchik 551291436Sarybchik __checkReturn efx_rc_t 552301308Sarybchikefx_ev_usecs_to_ticks( 553301308Sarybchik __in efx_nic_t *enp, 554301308Sarybchik __in unsigned int us, 555301308Sarybchik __out unsigned int *ticksp) 556301308Sarybchik{ 557301308Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 558301308Sarybchik unsigned int ticks; 559301308Sarybchik 560301308Sarybchik /* Convert microseconds to a timer tick count */ 561301308Sarybchik if (us == 0) 562301308Sarybchik ticks = 0; 563301308Sarybchik else if (us * 1000 < encp->enc_evq_timer_quantum_ns) 564301308Sarybchik ticks = 1; /* Never round down to zero */ 565301308Sarybchik else 566301308Sarybchik ticks = us * 1000 / encp->enc_evq_timer_quantum_ns; 567301308Sarybchik 568301308Sarybchik *ticksp = ticks; 569301308Sarybchik return (0); 570301308Sarybchik} 571301308Sarybchik 572301308Sarybchik __checkReturn efx_rc_t 573283514Sarybchikefx_ev_qmoderate( 574283514Sarybchik __in efx_evq_t *eep, 575283514Sarybchik __in unsigned int us) 576283514Sarybchik{ 577283514Sarybchik efx_nic_t *enp = eep->ee_enp; 578299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 579291436Sarybchik efx_rc_t rc; 580283514Sarybchik 581283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 582283514Sarybchik 583311031Sarybchik if ((eep->ee_flags & EFX_EVQ_FLAGS_NOTIFY_MASK) == 584311031Sarybchik EFX_EVQ_FLAGS_NOTIFY_DISABLED) { 585311031Sarybchik rc = EINVAL; 586283514Sarybchik goto fail1; 587311031Sarybchik } 588283514Sarybchik 589311031Sarybchik if ((rc = eevop->eevo_qmoderate(eep, us)) != 0) 590311031Sarybchik goto fail2; 591311031Sarybchik 592283514Sarybchik return (0); 593283514Sarybchik 594311031Sarybchikfail2: 595311031Sarybchik EFSYS_PROBE(fail2); 596283514Sarybchikfail1: 597291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 598283514Sarybchik return (rc); 599283514Sarybchik} 600283514Sarybchik 601283514Sarybchik#if EFSYS_OPT_QSTATS 602283514Sarybchik void 603283514Sarybchikefx_ev_qstats_update( 604283514Sarybchik __in efx_evq_t *eep, 605283514Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) 606283514Sarybchik 607283514Sarybchik{ efx_nic_t *enp = eep->ee_enp; 608299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 609283514Sarybchik 610283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 611283514Sarybchik 612283514Sarybchik eevop->eevo_qstats_update(eep, stat); 613283514Sarybchik} 614283514Sarybchik 615283514Sarybchik#endif /* EFSYS_OPT_QSTATS */ 616283514Sarybchik 617299320Sarybchik#if EFSYS_OPT_SIENA 618283514Sarybchik 619291436Sarybchikstatic __checkReturn efx_rc_t 620299607Sarybchiksiena_ev_init( 621283514Sarybchik __in efx_nic_t *enp) 622283514Sarybchik{ 623283514Sarybchik efx_oword_t oword; 624283514Sarybchik 625283514Sarybchik /* 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 638299607Sarybchiksiena_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); 650278839Sarybchik /* 651278839Sarybchik * 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 663293806Sarybchik#if EFSYS_OPT_RX_SCATTER 664278839Sarybchik /* 665278839Sarybchik * 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; 678293806Sarybchik#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 728299607Sarybchiksiena_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; 738293806Sarybchik#if EFSYS_OPT_RX_SCATTER 739227569Sphilip boolean_t sop; 740227569Sphilip boolean_t jumbo_cont; 741293806Sarybchik#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 756293806Sarybchik#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); 759293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 760227569Sphilip 761227569Sphilip hdr_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_HDR_TYPE); 762227569Sphilip 763299403Sarybchik 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 813293806Sarybchik#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; 819293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 820227569Sphilip 821227569Sphilip /* Detect errors included in the FSF_AZ_RX_EV_PKT_OK indication */ 822227569Sphilip if (!ok) { 823299607Sarybchik 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 */ 856299403Sarybchik 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 882299607Sarybchiksiena_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 929299607Sarybchiksiena_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{ 935299404Sarybchik _NOTE(ARGUNUSED(eqp, eecp, arg)) 936227569Sphilip 937227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_GLOBAL); 938227569Sphilip 939299404Sarybchik return (B_FALSE); 940227569Sphilip} 941227569Sphilip 942227569Sphilipstatic __checkReturn boolean_t 943299607Sarybchiksiena_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: { 956264461Sgnn uint32_t txq_index; 957227569Sphilip 958227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DESCQ_FLS_DONE); 959227569Sphilip 960264461Sgnn txq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 961227569Sphilip 962264461Sgnn EFSYS_PROBE1(tx_descq_fls_done, uint32_t, txq_index); 963227569Sphilip 964227569Sphilip EFSYS_ASSERT(eecp->eec_txq_flush_done != NULL); 965264461Sgnn should_abort = eecp->eec_txq_flush_done(arg, txq_index); 966227569Sphilip 967227569Sphilip break; 968227569Sphilip } 969227569Sphilip case FSE_AZ_RX_DESCQ_FLS_DONE_EV: { 970264461Sgnn uint32_t rxq_index; 971227569Sphilip uint32_t failed; 972227569Sphilip 973264461Sgnn 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 982264461Sgnn EFSYS_PROBE1(rx_descq_fls_failed, uint32_t, rxq_index); 983227569Sphilip 984283514Sarybchik should_abort = eecp->eec_rxq_flush_failed(arg, 985283514Sarybchik rxq_index); 986227569Sphilip } else { 987227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_DONE); 988227569Sphilip 989264461Sgnn EFSYS_PROBE1(rx_descq_fls_done, uint32_t, rxq_index); 990227569Sphilip 991264461Sgnn 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 1072299607Sarybchiksiena_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 1100299607Sarybchiksiena_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; 1107310930Sarybchik 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 1115279078Sarybchik EFSYS_ASSERT(eecp->eec_link_change != NULL); 1116279078Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 1117279078Sarybchik#if EFSYS_OPT_MON_STATS 1118279078Sarybchik EFSYS_ASSERT(eecp->eec_monitor != NULL); 1119279078Sarybchik#endif 1120279078Sarybchik 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, 1131283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_SEQ), 1132283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_DATALEN), 1133283514Sarybchik 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; 1147291436Sarybchik efx_rc_t rc; 1148227569Sphilip 1149283514Sarybchik 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 1202279141Sarybchik#endif /* EFSYS_OPT_MCDI */ 1203227569Sphilip 1204291436Sarybchikstatic __checkReturn efx_rc_t 1205299607Sarybchiksiena_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 1223283514Sarybchikstatic void 1224299607Sarybchiksiena_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 1242291436Sarybchikstatic __checkReturn efx_rc_t 1243299607Sarybchiksiena_ev_qmoderate( 1244227569Sphilip __in efx_evq_t *eep, 1245227569Sphilip __in unsigned int us) 1246227569Sphilip{ 1247227569Sphilip efx_nic_t *enp = eep->ee_enp; 1248279048Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1249227569Sphilip unsigned int locked; 1250227569Sphilip efx_dword_t dword; 1251291436Sarybchik efx_rc_t rc; 1252227569Sphilip 1253279182Sarybchik 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) { 1260299403Sarybchik EFX_POPULATE_DWORD_2(dword, 1261299403Sarybchik FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS, 1262299403Sarybchik FRF_CZ_TC_TIMER_VAL, 0); 1263227569Sphilip } else { 1264301308Sarybchik unsigned int ticks; 1265227569Sphilip 1266301308Sarybchik if ((rc = efx_ev_usecs_to_ticks(enp, us, &ticks)) != 0) 1267301308Sarybchik goto fail2; 1268227569Sphilip 1269301308Sarybchik EFSYS_ASSERT(ticks > 0); 1270299403Sarybchik EFX_POPULATE_DWORD_2(dword, 1271299403Sarybchik FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF, 1272301308Sarybchik 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 1282301308Sarybchikfail2: 1283301308Sarybchik EFSYS_PROBE(fail2); 1284227569Sphilipfail1: 1285291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1286227569Sphilip 1287227569Sphilip return (rc); 1288227569Sphilip} 1289227569Sphilip 1290291436Sarybchikstatic __checkReturn efx_rc_t 1291299607Sarybchiksiena_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, 1297301122Sarybchik __in uint32_t us, 1298310939Sarybchik __in uint32_t flags, 1299283514Sarybchik __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; 1304291436Sarybchik efx_rc_t rc; 1305311031Sarybchik boolean_t notify_mode; 1306227569Sphilip 1307300840Sarybchik _NOTE(ARGUNUSED(esmp)) 1308300840Sarybchik 1309283514Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MAXNEVS)); 1310283514Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MINNEVS)); 1311227569Sphilip 1312283514Sarybchik 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 */ 1337299607Sarybchik eep->ee_rx = siena_ev_rx; 1338299607Sarybchik eep->ee_tx = siena_ev_tx; 1339299607Sarybchik eep->ee_driver = siena_ev_driver; 1340299607Sarybchik eep->ee_global = siena_ev_global; 1341299607Sarybchik eep->ee_drv_gen = siena_ev_drv_gen; 1342227569Sphilip#if EFSYS_OPT_MCDI 1343299607Sarybchik eep->ee_mcdi = siena_ev_mcdi; 1344279141Sarybchik#endif /* EFSYS_OPT_MCDI */ 1345227569Sphilip 1346311031Sarybchik notify_mode = ((flags & EFX_EVQ_FLAGS_NOTIFY_MASK) != 1347311031Sarybchik EFX_EVQ_FLAGS_NOTIFY_INTERRUPT); 1348311031Sarybchik 1349227569Sphilip /* Set up the new event queue */ 1350311031Sarybchik EFX_POPULATE_OWORD_3(oword, FRF_CZ_TIMER_Q_EN, 1, 1351311031Sarybchik FRF_CZ_HOST_NOTIFY_MODE, notify_mode, 1352311031Sarybchik FRF_CZ_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS); 1353299403Sarybchik 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 1358283514Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, index, &oword, B_TRUE); 1359227569Sphilip 1360301122Sarybchik /* Set initial interrupt moderation */ 1361301122Sarybchik siena_ev_qmoderate(eep, us); 1362301122Sarybchik 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: 1374291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1375227569Sphilip 1376227569Sphilip return (rc); 1377227569Sphilip} 1378227569Sphilip 1379299320Sarybchik#endif /* EFSYS_OPT_SIENA */ 1380283514Sarybchik 1381277886Sarybchik#if EFSYS_OPT_QSTATS 1382227569Sphilip#if EFSYS_OPT_NAMES 1383310927Sarybchik/* START MKCONFIG GENERATED EfxEventQueueStatNamesBlock c0f3bc5083b40532 */ 1384310927Sarybchikstatic 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", 1405283514Sarybchik "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 1425283514Sarybchik const char * 1426227569Sphilipefx_ev_qstat_name( 1427227569Sphilip __in efx_nic_t *enp, 1428227569Sphilip __in unsigned int id) 1429227569Sphilip{ 1430342430Sarybchik _NOTE(ARGUNUSED(enp)) 1431342430Sarybchik 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 */ 1438277886Sarybchik#endif /* EFSYS_OPT_QSTATS */ 1439227569Sphilip 1440299320Sarybchik#if EFSYS_OPT_SIENA 1441283514Sarybchik 1442227569Sphilip#if EFSYS_OPT_QSTATS 1443283514Sarybchikstatic void 1444299607Sarybchiksiena_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 1459283514Sarybchikstatic void 1460299607Sarybchiksiena_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, 1470283514Sarybchik eep->ee_index, &oword, B_TRUE); 1471227569Sphilip 1472299403Sarybchik EFX_ZERO_OWORD(oword); 1473299403Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, eep->ee_index, &oword, B_TRUE); 1474227569Sphilip} 1475227569Sphilip 1476283514Sarybchikstatic void 1477299607Sarybchiksiena_ev_fini( 1478227569Sphilip __in efx_nic_t *enp) 1479227569Sphilip{ 1480283514Sarybchik _NOTE(ARGUNUSED(enp)) 1481283514Sarybchik} 1482227569Sphilip 1483299320Sarybchik#endif /* EFSYS_OPT_SIENA */ 1484