efx_ev.c revision 310930
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 310930 2016-12-31 11:12:26Z 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, 74283514Sarybchik __in efx_evq_t *eep); 75283514Sarybchik 76283514Sarybchikstatic void 77299607Sarybchiksiena_ev_qdestroy( 78283514Sarybchik __in efx_evq_t *eep); 79283514Sarybchik 80291436Sarybchikstatic __checkReturn efx_rc_t 81299607Sarybchiksiena_ev_qprime( 82283514Sarybchik __in efx_evq_t *eep, 83283514Sarybchik __in unsigned int count); 84283514Sarybchik 85283514Sarybchikstatic void 86299607Sarybchiksiena_ev_qpoll( 87283514Sarybchik __in efx_evq_t *eep, 88283514Sarybchik __inout unsigned int *countp, 89283514Sarybchik __in const efx_ev_callbacks_t *eecp, 90283514Sarybchik __in_opt void *arg); 91283514Sarybchik 92283514Sarybchikstatic void 93299607Sarybchiksiena_ev_qpost( 94283514Sarybchik __in efx_evq_t *eep, 95283514Sarybchik __in uint16_t data); 96283514Sarybchik 97291436Sarybchikstatic __checkReturn efx_rc_t 98299607Sarybchiksiena_ev_qmoderate( 99283514Sarybchik __in efx_evq_t *eep, 100283514Sarybchik __in unsigned int us); 101283514Sarybchik 102283514Sarybchik#if EFSYS_OPT_QSTATS 103283514Sarybchikstatic void 104299607Sarybchiksiena_ev_qstats_update( 105283514Sarybchik __in efx_evq_t *eep, 106283514Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat); 107283514Sarybchik 108283514Sarybchik#endif 109283514Sarybchik 110299320Sarybchik#endif /* EFSYS_OPT_SIENA */ 111283514Sarybchik 112283514Sarybchik#if EFSYS_OPT_SIENA 113299517Sarybchikstatic const efx_ev_ops_t __efx_ev_siena_ops = { 114299607Sarybchik siena_ev_init, /* eevo_init */ 115299607Sarybchik siena_ev_fini, /* eevo_fini */ 116299607Sarybchik siena_ev_qcreate, /* eevo_qcreate */ 117299607Sarybchik siena_ev_qdestroy, /* eevo_qdestroy */ 118299607Sarybchik siena_ev_qprime, /* eevo_qprime */ 119299607Sarybchik siena_ev_qpost, /* eevo_qpost */ 120299607Sarybchik siena_ev_qmoderate, /* eevo_qmoderate */ 121283514Sarybchik#if EFSYS_OPT_QSTATS 122299607Sarybchik siena_ev_qstats_update, /* eevo_qstats_update */ 123283514Sarybchik#endif 124283514Sarybchik}; 125283514Sarybchik#endif /* EFSYS_OPT_SIENA */ 126283514Sarybchik 127293752Sarybchik#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 128299517Sarybchikstatic const efx_ev_ops_t __efx_ev_ef10_ops = { 129293752Sarybchik ef10_ev_init, /* eevo_init */ 130293752Sarybchik ef10_ev_fini, /* eevo_fini */ 131293752Sarybchik ef10_ev_qcreate, /* eevo_qcreate */ 132293752Sarybchik ef10_ev_qdestroy, /* eevo_qdestroy */ 133293752Sarybchik ef10_ev_qprime, /* eevo_qprime */ 134293752Sarybchik ef10_ev_qpost, /* eevo_qpost */ 135293752Sarybchik ef10_ev_qmoderate, /* eevo_qmoderate */ 136283514Sarybchik#if EFSYS_OPT_QSTATS 137293752Sarybchik ef10_ev_qstats_update, /* eevo_qstats_update */ 138283514Sarybchik#endif 139283514Sarybchik}; 140293752Sarybchik#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 141283514Sarybchik 142283514Sarybchik 143291436Sarybchik __checkReturn efx_rc_t 144227569Sphilipefx_ev_init( 145227569Sphilip __in efx_nic_t *enp) 146227569Sphilip{ 147299517Sarybchik const efx_ev_ops_t *eevop; 148291436Sarybchik efx_rc_t rc; 149227569Sphilip 150227569Sphilip EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 151227569Sphilip EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); 152227569Sphilip 153227569Sphilip if (enp->en_mod_flags & EFX_MOD_EV) { 154227569Sphilip rc = EINVAL; 155227569Sphilip goto fail1; 156227569Sphilip } 157227569Sphilip 158283514Sarybchik switch (enp->en_family) { 159283514Sarybchik#if EFSYS_OPT_SIENA 160283514Sarybchik case EFX_FAMILY_SIENA: 161299517Sarybchik eevop = &__efx_ev_siena_ops; 162283514Sarybchik break; 163283514Sarybchik#endif /* EFSYS_OPT_SIENA */ 164283514Sarybchik 165283514Sarybchik#if EFSYS_OPT_HUNTINGTON 166283514Sarybchik case EFX_FAMILY_HUNTINGTON: 167299517Sarybchik eevop = &__efx_ev_ef10_ops; 168283514Sarybchik break; 169283514Sarybchik#endif /* EFSYS_OPT_HUNTINGTON */ 170283514Sarybchik 171293752Sarybchik#if EFSYS_OPT_MEDFORD 172293752Sarybchik case EFX_FAMILY_MEDFORD: 173299517Sarybchik eevop = &__efx_ev_ef10_ops; 174293752Sarybchik break; 175293752Sarybchik#endif /* EFSYS_OPT_MEDFORD */ 176293752Sarybchik 177283514Sarybchik default: 178283514Sarybchik EFSYS_ASSERT(0); 179283514Sarybchik rc = ENOTSUP; 180283514Sarybchik goto fail1; 181283514Sarybchik } 182283514Sarybchik 183227569Sphilip EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 184227569Sphilip 185283514Sarybchik if ((rc = eevop->eevo_init(enp)) != 0) 186283514Sarybchik goto fail2; 187283514Sarybchik 188283514Sarybchik enp->en_eevop = eevop; 189283514Sarybchik enp->en_mod_flags |= EFX_MOD_EV; 190283514Sarybchik return (0); 191283514Sarybchik 192283514Sarybchikfail2: 193283514Sarybchik EFSYS_PROBE(fail2); 194283514Sarybchik 195283514Sarybchikfail1: 196291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 197283514Sarybchik 198283514Sarybchik enp->en_eevop = NULL; 199283514Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 200283514Sarybchik return (rc); 201283514Sarybchik} 202283514Sarybchik 203283514Sarybchik void 204283514Sarybchikefx_ev_fini( 205283514Sarybchik __in efx_nic_t *enp) 206283514Sarybchik{ 207299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 208283514Sarybchik 209283514Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 210283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); 211283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 212283514Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_RX)); 213283514Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_TX)); 214283514Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 215283514Sarybchik 216283514Sarybchik eevop->eevo_fini(enp); 217283514Sarybchik 218283514Sarybchik enp->en_eevop = NULL; 219283514Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 220283514Sarybchik} 221283514Sarybchik 222283514Sarybchik 223291436Sarybchik __checkReturn efx_rc_t 224283514Sarybchikefx_ev_qcreate( 225283514Sarybchik __in efx_nic_t *enp, 226283514Sarybchik __in unsigned int index, 227283514Sarybchik __in efsys_mem_t *esmp, 228283514Sarybchik __in size_t n, 229283514Sarybchik __in uint32_t id, 230301122Sarybchik __in uint32_t us, 231283514Sarybchik __deref_out efx_evq_t **eepp) 232283514Sarybchik{ 233299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 234283514Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 235283514Sarybchik efx_evq_t *eep; 236291436Sarybchik efx_rc_t rc; 237283514Sarybchik 238283514Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 239283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 240283514Sarybchik 241283514Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <, encp->enc_evq_limit); 242283514Sarybchik 243283514Sarybchik /* Allocate an EVQ object */ 244283514Sarybchik EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep); 245283514Sarybchik if (eep == NULL) { 246283514Sarybchik rc = ENOMEM; 247283514Sarybchik goto fail1; 248283514Sarybchik } 249283514Sarybchik 250283514Sarybchik eep->ee_magic = EFX_EVQ_MAGIC; 251283514Sarybchik eep->ee_enp = enp; 252283514Sarybchik eep->ee_index = index; 253283514Sarybchik eep->ee_mask = n - 1; 254283514Sarybchik eep->ee_esmp = esmp; 255283514Sarybchik 256300605Sarybchik /* 257300605Sarybchik * Set outputs before the queue is created because interrupts may be 258300605Sarybchik * raised for events immediately after the queue is created, before the 259300605Sarybchik * function call below returns. See bug58606. 260300605Sarybchik * 261300605Sarybchik * The eepp pointer passed in by the client must therefore point to data 262300605Sarybchik * shared with the client's event processing context. 263300605Sarybchik */ 264300605Sarybchik enp->en_ev_qcount++; 265300605Sarybchik *eepp = eep; 266300605Sarybchik 267301122Sarybchik if ((rc = eevop->eevo_qcreate(enp, index, esmp, n, id, us, eep)) != 0) 268283514Sarybchik goto fail2; 269283514Sarybchik 270283514Sarybchik return (0); 271283514Sarybchik 272283514Sarybchikfail2: 273283514Sarybchik EFSYS_PROBE(fail2); 274300605Sarybchik 275300605Sarybchik *eepp = NULL; 276300605Sarybchik enp->en_ev_qcount--; 277283514Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 278283514Sarybchikfail1: 279291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 280283514Sarybchik return (rc); 281283514Sarybchik} 282283514Sarybchik 283283514Sarybchik void 284283514Sarybchikefx_ev_qdestroy( 285283514Sarybchik __in efx_evq_t *eep) 286283514Sarybchik{ 287283514Sarybchik efx_nic_t *enp = eep->ee_enp; 288299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 289283514Sarybchik 290283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 291283514Sarybchik 292283514Sarybchik EFSYS_ASSERT(enp->en_ev_qcount != 0); 293283514Sarybchik --enp->en_ev_qcount; 294283514Sarybchik 295283514Sarybchik eevop->eevo_qdestroy(eep); 296283514Sarybchik 297283514Sarybchik /* Free the EVQ object */ 298283514Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 299283514Sarybchik} 300283514Sarybchik 301291436Sarybchik __checkReturn efx_rc_t 302283514Sarybchikefx_ev_qprime( 303283514Sarybchik __in efx_evq_t *eep, 304283514Sarybchik __in unsigned int count) 305283514Sarybchik{ 306283514Sarybchik efx_nic_t *enp = eep->ee_enp; 307299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 308291436Sarybchik efx_rc_t rc; 309283514Sarybchik 310283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 311283514Sarybchik 312283514Sarybchik if (!(enp->en_mod_flags & EFX_MOD_INTR)) { 313283514Sarybchik rc = EINVAL; 314283514Sarybchik goto fail1; 315283514Sarybchik } 316283514Sarybchik 317283514Sarybchik if ((rc = eevop->eevo_qprime(eep, count)) != 0) 318283514Sarybchik goto fail2; 319283514Sarybchik 320283514Sarybchik return (0); 321283514Sarybchik 322283514Sarybchikfail2: 323283514Sarybchik EFSYS_PROBE(fail2); 324283514Sarybchikfail1: 325291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 326283514Sarybchik return (rc); 327283514Sarybchik} 328283514Sarybchik 329283514Sarybchik __checkReturn boolean_t 330283514Sarybchikefx_ev_qpending( 331283514Sarybchik __in efx_evq_t *eep, 332283514Sarybchik __in unsigned int count) 333283514Sarybchik{ 334283514Sarybchik size_t offset; 335283514Sarybchik efx_qword_t qword; 336283514Sarybchik 337283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 338283514Sarybchik 339283514Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 340283514Sarybchik EFSYS_MEM_READQ(eep->ee_esmp, offset, &qword); 341283514Sarybchik 342283514Sarybchik return (EFX_EV_PRESENT(qword)); 343283514Sarybchik} 344283514Sarybchik 345283514Sarybchik#if EFSYS_OPT_EV_PREFETCH 346283514Sarybchik 347283514Sarybchik void 348283514Sarybchikefx_ev_qprefetch( 349283514Sarybchik __in efx_evq_t *eep, 350283514Sarybchik __in unsigned int count) 351283514Sarybchik{ 352283514Sarybchik unsigned int offset; 353283514Sarybchik 354283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 355283514Sarybchik 356283514Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 357283514Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 358283514Sarybchik} 359283514Sarybchik 360283514Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 361283514Sarybchik 362283514Sarybchik void 363283514Sarybchikefx_ev_qpoll( 364283514Sarybchik __in efx_evq_t *eep, 365283514Sarybchik __inout unsigned int *countp, 366283514Sarybchik __in const efx_ev_callbacks_t *eecp, 367283514Sarybchik __in_opt void *arg) 368283514Sarybchik{ 369283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 370283514Sarybchik 371227569Sphilip /* 372283514Sarybchik * FIXME: Huntington will require support for hardware event batching 373283514Sarybchik * and merging, which will need a different ev_qpoll implementation. 374283514Sarybchik * 375283514Sarybchik * Without those features the Falcon/Siena code can be used unchanged. 376283514Sarybchik */ 377283514Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_LBN == FSF_AZ_EV_CODE_LBN); 378283514Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_WIDTH == FSF_AZ_EV_CODE_WIDTH); 379283514Sarybchik 380283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_RX_EV == FSE_AZ_EV_CODE_RX_EV); 381283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_TX_EV == FSE_AZ_EV_CODE_TX_EV); 382283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRIVER_EV == FSE_AZ_EV_CODE_DRIVER_EV); 383283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRV_GEN_EV == 384283514Sarybchik FSE_AZ_EV_CODE_DRV_GEN_EV); 385283514Sarybchik#if EFSYS_OPT_MCDI 386283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_MCDI_EV == 387283514Sarybchik FSE_AZ_EV_CODE_MCDI_EVRESPONSE); 388283514Sarybchik#endif 389299607Sarybchik siena_ev_qpoll(eep, countp, eecp, arg); 390283514Sarybchik} 391283514Sarybchik 392283514Sarybchik void 393283514Sarybchikefx_ev_qpost( 394283514Sarybchik __in efx_evq_t *eep, 395283514Sarybchik __in uint16_t data) 396283514Sarybchik{ 397283514Sarybchik efx_nic_t *enp = eep->ee_enp; 398299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 399283514Sarybchik 400283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 401283514Sarybchik 402283514Sarybchik EFSYS_ASSERT(eevop != NULL && 403283514Sarybchik eevop->eevo_qpost != NULL); 404283514Sarybchik 405283514Sarybchik eevop->eevo_qpost(eep, data); 406283514Sarybchik} 407283514Sarybchik 408291436Sarybchik __checkReturn efx_rc_t 409301308Sarybchikefx_ev_usecs_to_ticks( 410301308Sarybchik __in efx_nic_t *enp, 411301308Sarybchik __in unsigned int us, 412301308Sarybchik __out unsigned int *ticksp) 413301308Sarybchik{ 414301308Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 415301308Sarybchik unsigned int ticks; 416301308Sarybchik 417301308Sarybchik /* Convert microseconds to a timer tick count */ 418301308Sarybchik if (us == 0) 419301308Sarybchik ticks = 0; 420301308Sarybchik else if (us * 1000 < encp->enc_evq_timer_quantum_ns) 421301308Sarybchik ticks = 1; /* Never round down to zero */ 422301308Sarybchik else 423301308Sarybchik ticks = us * 1000 / encp->enc_evq_timer_quantum_ns; 424301308Sarybchik 425301308Sarybchik *ticksp = ticks; 426301308Sarybchik return (0); 427301308Sarybchik} 428301308Sarybchik 429301308Sarybchik __checkReturn efx_rc_t 430283514Sarybchikefx_ev_qmoderate( 431283514Sarybchik __in efx_evq_t *eep, 432283514Sarybchik __in unsigned int us) 433283514Sarybchik{ 434283514Sarybchik efx_nic_t *enp = eep->ee_enp; 435299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 436291436Sarybchik efx_rc_t rc; 437283514Sarybchik 438283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 439283514Sarybchik 440283514Sarybchik if ((rc = eevop->eevo_qmoderate(eep, us)) != 0) 441283514Sarybchik goto fail1; 442283514Sarybchik 443283514Sarybchik return (0); 444283514Sarybchik 445283514Sarybchikfail1: 446291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 447283514Sarybchik return (rc); 448283514Sarybchik} 449283514Sarybchik 450283514Sarybchik#if EFSYS_OPT_QSTATS 451283514Sarybchik void 452283514Sarybchikefx_ev_qstats_update( 453283514Sarybchik __in efx_evq_t *eep, 454283514Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) 455283514Sarybchik 456283514Sarybchik{ efx_nic_t *enp = eep->ee_enp; 457299517Sarybchik const efx_ev_ops_t *eevop = enp->en_eevop; 458283514Sarybchik 459283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 460283514Sarybchik 461283514Sarybchik eevop->eevo_qstats_update(eep, stat); 462283514Sarybchik} 463283514Sarybchik 464283514Sarybchik#endif /* EFSYS_OPT_QSTATS */ 465283514Sarybchik 466299320Sarybchik#if EFSYS_OPT_SIENA 467283514Sarybchik 468291436Sarybchikstatic __checkReturn efx_rc_t 469299607Sarybchiksiena_ev_init( 470283514Sarybchik __in efx_nic_t *enp) 471283514Sarybchik{ 472283514Sarybchik efx_oword_t oword; 473283514Sarybchik 474283514Sarybchik /* 475227569Sphilip * Program the event queue for receive and transmit queue 476227569Sphilip * flush events. 477227569Sphilip */ 478227569Sphilip EFX_BAR_READO(enp, FR_AZ_DP_CTRL_REG, &oword); 479227569Sphilip EFX_SET_OWORD_FIELD(oword, FRF_AZ_FLS_EVQ_ID, 0); 480227569Sphilip EFX_BAR_WRITEO(enp, FR_AZ_DP_CTRL_REG, &oword); 481227569Sphilip 482227569Sphilip return (0); 483227569Sphilip 484227569Sphilip} 485227569Sphilip 486227569Sphilipstatic __checkReturn boolean_t 487299607Sarybchiksiena_ev_rx_not_ok( 488227569Sphilip __in efx_evq_t *eep, 489227569Sphilip __in efx_qword_t *eqp, 490227569Sphilip __in uint32_t label, 491227569Sphilip __in uint32_t id, 492227569Sphilip __inout uint16_t *flagsp) 493227569Sphilip{ 494227569Sphilip boolean_t ignore = B_FALSE; 495227569Sphilip 496227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TOBE_DISC) != 0) { 497227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TOBE_DISC); 498227569Sphilip EFSYS_PROBE(tobe_disc); 499278839Sarybchik /* 500278839Sarybchik * Assume this is a unicast address mismatch, unless below 501227569Sphilip * we find either FSF_AZ_RX_EV_ETH_CRC_ERR or 502227569Sphilip * EV_RX_PAUSE_FRM_ERR is set. 503227569Sphilip */ 504227569Sphilip (*flagsp) |= EFX_ADDR_MISMATCH; 505227569Sphilip } 506227569Sphilip 507227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_FRM_TRUNC) != 0) { 508227569Sphilip EFSYS_PROBE2(frm_trunc, uint32_t, label, uint32_t, id); 509227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC); 510227569Sphilip (*flagsp) |= EFX_DISCARD; 511227569Sphilip 512293806Sarybchik#if EFSYS_OPT_RX_SCATTER 513278839Sarybchik /* 514278839Sarybchik * Lookout for payload queue ran dry errors and ignore them. 515227569Sphilip * 516227569Sphilip * Sadly for the header/data split cases, the descriptor 517227569Sphilip * pointer in this event refers to the header queue and 518227569Sphilip * therefore cannot be easily detected as duplicate. 519227569Sphilip * So we drop these and rely on the receive processing seeing 520227569Sphilip * a subsequent packet with FSF_AZ_RX_EV_SOP set to discard 521227569Sphilip * the partially received packet. 522227569Sphilip */ 523227569Sphilip if ((EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) == 0) && 524227569Sphilip (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) == 0) && 525227569Sphilip (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT) == 0)) 526227569Sphilip ignore = B_TRUE; 527293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 528227569Sphilip } 529227569Sphilip 530227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_ETH_CRC_ERR) != 0) { 531227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_ETH_CRC_ERR); 532227569Sphilip EFSYS_PROBE(crc_err); 533227569Sphilip (*flagsp) &= ~EFX_ADDR_MISMATCH; 534227569Sphilip (*flagsp) |= EFX_DISCARD; 535227569Sphilip } 536227569Sphilip 537227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PAUSE_FRM_ERR) != 0) { 538227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_PAUSE_FRM_ERR); 539227569Sphilip EFSYS_PROBE(pause_frm_err); 540227569Sphilip (*flagsp) &= ~EFX_ADDR_MISMATCH; 541227569Sphilip (*flagsp) |= EFX_DISCARD; 542227569Sphilip } 543227569Sphilip 544227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BUF_OWNER_ID_ERR) != 0) { 545227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_BUF_OWNER_ID_ERR); 546227569Sphilip EFSYS_PROBE(owner_id_err); 547227569Sphilip (*flagsp) |= EFX_DISCARD; 548227569Sphilip } 549227569Sphilip 550227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR) != 0) { 551227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_IPV4_HDR_CHKSUM_ERR); 552227569Sphilip EFSYS_PROBE(ipv4_err); 553227569Sphilip (*flagsp) &= ~EFX_CKSUM_IPV4; 554227569Sphilip } 555227569Sphilip 556227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR) != 0) { 557227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_UDP_CHKSUM_ERR); 558227569Sphilip EFSYS_PROBE(udp_chk_err); 559227569Sphilip (*flagsp) &= ~EFX_CKSUM_TCPUDP; 560227569Sphilip } 561227569Sphilip 562227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_FRAG_ERR) != 0) { 563227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_IP_FRAG_ERR); 564227569Sphilip 565227569Sphilip /* 566227569Sphilip * If IP is fragmented FSF_AZ_RX_EV_IP_FRAG_ERR is set. This 567227569Sphilip * causes FSF_AZ_RX_EV_PKT_OK to be clear. This is not an error 568227569Sphilip * condition. 569227569Sphilip */ 570227569Sphilip (*flagsp) &= ~(EFX_PKT_TCP | EFX_PKT_UDP | EFX_CKSUM_TCPUDP); 571227569Sphilip } 572227569Sphilip 573227569Sphilip return (ignore); 574227569Sphilip} 575227569Sphilip 576227569Sphilipstatic __checkReturn boolean_t 577299607Sarybchiksiena_ev_rx( 578227569Sphilip __in efx_evq_t *eep, 579227569Sphilip __in efx_qword_t *eqp, 580227569Sphilip __in const efx_ev_callbacks_t *eecp, 581227569Sphilip __in_opt void *arg) 582227569Sphilip{ 583227569Sphilip uint32_t id; 584227569Sphilip uint32_t size; 585227569Sphilip uint32_t label; 586227569Sphilip boolean_t ok; 587293806Sarybchik#if EFSYS_OPT_RX_SCATTER 588227569Sphilip boolean_t sop; 589227569Sphilip boolean_t jumbo_cont; 590293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 591227569Sphilip uint32_t hdr_type; 592227569Sphilip boolean_t is_v6; 593227569Sphilip uint16_t flags; 594227569Sphilip boolean_t ignore; 595227569Sphilip boolean_t should_abort; 596227569Sphilip 597227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX); 598227569Sphilip 599227569Sphilip /* Basic packet information */ 600227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_DESC_PTR); 601227569Sphilip size = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT); 602227569Sphilip label = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_Q_LABEL); 603227569Sphilip ok = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_OK) != 0); 604227569Sphilip 605293806Sarybchik#if EFSYS_OPT_RX_SCATTER 606227569Sphilip sop = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) != 0); 607227569Sphilip jumbo_cont = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) != 0); 608293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 609227569Sphilip 610227569Sphilip hdr_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_HDR_TYPE); 611227569Sphilip 612299403Sarybchik is_v6 = (EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_IPV6_PKT) != 0); 613227569Sphilip 614227569Sphilip /* 615227569Sphilip * If packet is marked as OK and packet type is TCP/IP or 616227569Sphilip * UDP/IP or other IP, then we can rely on the hardware checksums. 617227569Sphilip */ 618227569Sphilip switch (hdr_type) { 619227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_TCP: 620227569Sphilip flags = EFX_PKT_TCP | EFX_CKSUM_TCPUDP; 621227569Sphilip if (is_v6) { 622227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV6); 623227569Sphilip flags |= EFX_PKT_IPV6; 624227569Sphilip } else { 625227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV4); 626227569Sphilip flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 627227569Sphilip } 628227569Sphilip break; 629227569Sphilip 630227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_UDP: 631227569Sphilip flags = EFX_PKT_UDP | EFX_CKSUM_TCPUDP; 632227569Sphilip if (is_v6) { 633227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV6); 634227569Sphilip flags |= EFX_PKT_IPV6; 635227569Sphilip } else { 636227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV4); 637227569Sphilip flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 638227569Sphilip } 639227569Sphilip break; 640227569Sphilip 641227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_OTHER: 642227569Sphilip if (is_v6) { 643227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV6); 644227569Sphilip flags = EFX_PKT_IPV6; 645227569Sphilip } else { 646227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV4); 647227569Sphilip flags = EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 648227569Sphilip } 649227569Sphilip break; 650227569Sphilip 651227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_OTHER: 652227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_NON_IP); 653227569Sphilip flags = 0; 654227569Sphilip break; 655227569Sphilip 656227569Sphilip default: 657227569Sphilip EFSYS_ASSERT(B_FALSE); 658227569Sphilip flags = 0; 659227569Sphilip break; 660227569Sphilip } 661227569Sphilip 662293806Sarybchik#if EFSYS_OPT_RX_SCATTER 663227569Sphilip /* Report scatter and header/lookahead split buffer flags */ 664227569Sphilip if (sop) 665227569Sphilip flags |= EFX_PKT_START; 666227569Sphilip if (jumbo_cont) 667227569Sphilip flags |= EFX_PKT_CONT; 668293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 669227569Sphilip 670227569Sphilip /* Detect errors included in the FSF_AZ_RX_EV_PKT_OK indication */ 671227569Sphilip if (!ok) { 672299607Sarybchik ignore = siena_ev_rx_not_ok(eep, eqp, label, id, &flags); 673227569Sphilip if (ignore) { 674227569Sphilip EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, 675227569Sphilip uint32_t, size, uint16_t, flags); 676227569Sphilip 677227569Sphilip return (B_FALSE); 678227569Sphilip } 679227569Sphilip } 680227569Sphilip 681227569Sphilip /* If we're not discarding the packet then it is ok */ 682227569Sphilip if (~flags & EFX_DISCARD) 683227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OK); 684227569Sphilip 685227569Sphilip /* Detect multicast packets that didn't match the filter */ 686227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_PKT) != 0) { 687227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_PKT); 688227569Sphilip 689227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_HASH_MATCH) != 0) { 690227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_HASH_MATCH); 691227569Sphilip } else { 692227569Sphilip EFSYS_PROBE(mcast_mismatch); 693227569Sphilip flags |= EFX_ADDR_MISMATCH; 694227569Sphilip } 695227569Sphilip } else { 696227569Sphilip flags |= EFX_PKT_UNICAST; 697227569Sphilip } 698227569Sphilip 699227569Sphilip /* 700227569Sphilip * The packet parser in Siena can abort parsing packets under 701227569Sphilip * certain error conditions, setting the PKT_NOT_PARSED bit 702227569Sphilip * (which clears PKT_OK). If this is set, then don't trust 703227569Sphilip * the PKT_TYPE field. 704227569Sphilip */ 705299403Sarybchik if (!ok) { 706227569Sphilip uint32_t parse_err; 707227569Sphilip 708227569Sphilip parse_err = EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_PKT_NOT_PARSED); 709227569Sphilip if (parse_err != 0) 710227569Sphilip flags |= EFX_CHECK_VLAN; 711227569Sphilip } 712227569Sphilip 713227569Sphilip if (~flags & EFX_CHECK_VLAN) { 714227569Sphilip uint32_t pkt_type; 715227569Sphilip 716227569Sphilip pkt_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_TYPE); 717227569Sphilip if (pkt_type >= FSE_AZ_RX_EV_PKT_TYPE_VLAN) 718227569Sphilip flags |= EFX_PKT_VLAN_TAGGED; 719227569Sphilip } 720227569Sphilip 721227569Sphilip EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, 722227569Sphilip uint32_t, size, uint16_t, flags); 723227569Sphilip 724227569Sphilip EFSYS_ASSERT(eecp->eec_rx != NULL); 725227569Sphilip should_abort = eecp->eec_rx(arg, label, id, size, flags); 726227569Sphilip 727227569Sphilip return (should_abort); 728227569Sphilip} 729227569Sphilip 730227569Sphilipstatic __checkReturn boolean_t 731299607Sarybchiksiena_ev_tx( 732227569Sphilip __in efx_evq_t *eep, 733227569Sphilip __in efx_qword_t *eqp, 734227569Sphilip __in const efx_ev_callbacks_t *eecp, 735227569Sphilip __in_opt void *arg) 736227569Sphilip{ 737227569Sphilip uint32_t id; 738227569Sphilip uint32_t label; 739227569Sphilip boolean_t should_abort; 740227569Sphilip 741227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX); 742227569Sphilip 743227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0 && 744227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) == 0 && 745227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) == 0 && 746227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) == 0) { 747227569Sphilip 748227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_DESC_PTR); 749227569Sphilip label = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_Q_LABEL); 750227569Sphilip 751227569Sphilip EFSYS_PROBE2(tx_complete, uint32_t, label, uint32_t, id); 752227569Sphilip 753227569Sphilip EFSYS_ASSERT(eecp->eec_tx != NULL); 754227569Sphilip should_abort = eecp->eec_tx(arg, label, id); 755227569Sphilip 756227569Sphilip return (should_abort); 757227569Sphilip } 758227569Sphilip 759227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0) 760227569Sphilip EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, 761227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), 762227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); 763227569Sphilip 764227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) != 0) 765227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_ERR); 766227569Sphilip 767227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) != 0) 768227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_TOO_BIG); 769227569Sphilip 770227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) != 0) 771227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_WQ_FF_FULL); 772227569Sphilip 773227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_UNEXPECTED); 774227569Sphilip return (B_FALSE); 775227569Sphilip} 776227569Sphilip 777227569Sphilipstatic __checkReturn boolean_t 778299607Sarybchiksiena_ev_global( 779227569Sphilip __in efx_evq_t *eep, 780227569Sphilip __in efx_qword_t *eqp, 781227569Sphilip __in const efx_ev_callbacks_t *eecp, 782227569Sphilip __in_opt void *arg) 783227569Sphilip{ 784299404Sarybchik _NOTE(ARGUNUSED(eqp, eecp, arg)) 785227569Sphilip 786227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_GLOBAL); 787227569Sphilip 788299404Sarybchik return (B_FALSE); 789227569Sphilip} 790227569Sphilip 791227569Sphilipstatic __checkReturn boolean_t 792299607Sarybchiksiena_ev_driver( 793227569Sphilip __in efx_evq_t *eep, 794227569Sphilip __in efx_qword_t *eqp, 795227569Sphilip __in const efx_ev_callbacks_t *eecp, 796227569Sphilip __in_opt void *arg) 797227569Sphilip{ 798227569Sphilip boolean_t should_abort; 799227569Sphilip 800227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER); 801227569Sphilip should_abort = B_FALSE; 802227569Sphilip 803227569Sphilip switch (EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBCODE)) { 804227569Sphilip case FSE_AZ_TX_DESCQ_FLS_DONE_EV: { 805264461Sgnn uint32_t txq_index; 806227569Sphilip 807227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DESCQ_FLS_DONE); 808227569Sphilip 809264461Sgnn txq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 810227569Sphilip 811264461Sgnn EFSYS_PROBE1(tx_descq_fls_done, uint32_t, txq_index); 812227569Sphilip 813227569Sphilip EFSYS_ASSERT(eecp->eec_txq_flush_done != NULL); 814264461Sgnn should_abort = eecp->eec_txq_flush_done(arg, txq_index); 815227569Sphilip 816227569Sphilip break; 817227569Sphilip } 818227569Sphilip case FSE_AZ_RX_DESCQ_FLS_DONE_EV: { 819264461Sgnn uint32_t rxq_index; 820227569Sphilip uint32_t failed; 821227569Sphilip 822264461Sgnn rxq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_DESCQ_ID); 823227569Sphilip failed = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL); 824227569Sphilip 825227569Sphilip EFSYS_ASSERT(eecp->eec_rxq_flush_done != NULL); 826227569Sphilip EFSYS_ASSERT(eecp->eec_rxq_flush_failed != NULL); 827227569Sphilip 828227569Sphilip if (failed) { 829227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_FAILED); 830227569Sphilip 831264461Sgnn EFSYS_PROBE1(rx_descq_fls_failed, uint32_t, rxq_index); 832227569Sphilip 833283514Sarybchik should_abort = eecp->eec_rxq_flush_failed(arg, 834283514Sarybchik rxq_index); 835227569Sphilip } else { 836227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_DONE); 837227569Sphilip 838264461Sgnn EFSYS_PROBE1(rx_descq_fls_done, uint32_t, rxq_index); 839227569Sphilip 840264461Sgnn should_abort = eecp->eec_rxq_flush_done(arg, rxq_index); 841227569Sphilip } 842227569Sphilip 843227569Sphilip break; 844227569Sphilip } 845227569Sphilip case FSE_AZ_EVQ_INIT_DONE_EV: 846227569Sphilip EFSYS_ASSERT(eecp->eec_initialized != NULL); 847227569Sphilip should_abort = eecp->eec_initialized(arg); 848227569Sphilip 849227569Sphilip break; 850227569Sphilip 851227569Sphilip case FSE_AZ_EVQ_NOT_EN_EV: 852227569Sphilip EFSYS_PROBE(evq_not_en); 853227569Sphilip break; 854227569Sphilip 855227569Sphilip case FSE_AZ_SRM_UPD_DONE_EV: { 856227569Sphilip uint32_t code; 857227569Sphilip 858227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_SRM_UPD_DONE); 859227569Sphilip 860227569Sphilip code = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 861227569Sphilip 862227569Sphilip EFSYS_ASSERT(eecp->eec_sram != NULL); 863227569Sphilip should_abort = eecp->eec_sram(arg, code); 864227569Sphilip 865227569Sphilip break; 866227569Sphilip } 867227569Sphilip case FSE_AZ_WAKE_UP_EV: { 868227569Sphilip uint32_t id; 869227569Sphilip 870227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 871227569Sphilip 872227569Sphilip EFSYS_ASSERT(eecp->eec_wake_up != NULL); 873227569Sphilip should_abort = eecp->eec_wake_up(arg, id); 874227569Sphilip 875227569Sphilip break; 876227569Sphilip } 877227569Sphilip case FSE_AZ_TX_PKT_NON_TCP_UDP: 878227569Sphilip EFSYS_PROBE(tx_pkt_non_tcp_udp); 879227569Sphilip break; 880227569Sphilip 881227569Sphilip case FSE_AZ_TIMER_EV: { 882227569Sphilip uint32_t id; 883227569Sphilip 884227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 885227569Sphilip 886227569Sphilip EFSYS_ASSERT(eecp->eec_timer != NULL); 887227569Sphilip should_abort = eecp->eec_timer(arg, id); 888227569Sphilip 889227569Sphilip break; 890227569Sphilip } 891227569Sphilip case FSE_AZ_RX_DSC_ERROR_EV: 892227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DSC_ERROR); 893227569Sphilip 894227569Sphilip EFSYS_PROBE(rx_dsc_error); 895227569Sphilip 896227569Sphilip EFSYS_ASSERT(eecp->eec_exception != NULL); 897227569Sphilip should_abort = eecp->eec_exception(arg, 898227569Sphilip EFX_EXCEPTION_RX_DSC_ERROR, 0); 899227569Sphilip 900227569Sphilip break; 901227569Sphilip 902227569Sphilip case FSE_AZ_TX_DSC_ERROR_EV: 903227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DSC_ERROR); 904227569Sphilip 905227569Sphilip EFSYS_PROBE(tx_dsc_error); 906227569Sphilip 907227569Sphilip EFSYS_ASSERT(eecp->eec_exception != NULL); 908227569Sphilip should_abort = eecp->eec_exception(arg, 909227569Sphilip EFX_EXCEPTION_TX_DSC_ERROR, 0); 910227569Sphilip 911227569Sphilip break; 912227569Sphilip 913227569Sphilip default: 914227569Sphilip break; 915227569Sphilip } 916227569Sphilip 917227569Sphilip return (should_abort); 918227569Sphilip} 919227569Sphilip 920227569Sphilipstatic __checkReturn boolean_t 921299607Sarybchiksiena_ev_drv_gen( 922227569Sphilip __in efx_evq_t *eep, 923227569Sphilip __in efx_qword_t *eqp, 924227569Sphilip __in const efx_ev_callbacks_t *eecp, 925227569Sphilip __in_opt void *arg) 926227569Sphilip{ 927227569Sphilip uint32_t data; 928227569Sphilip boolean_t should_abort; 929227569Sphilip 930227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRV_GEN); 931227569Sphilip 932227569Sphilip data = EFX_QWORD_FIELD(*eqp, FSF_AZ_EV_DATA_DW0); 933227569Sphilip if (data >= ((uint32_t)1 << 16)) { 934227569Sphilip EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, 935227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), 936227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); 937227569Sphilip return (B_TRUE); 938227569Sphilip } 939227569Sphilip 940227569Sphilip EFSYS_ASSERT(eecp->eec_software != NULL); 941227569Sphilip should_abort = eecp->eec_software(arg, (uint16_t)data); 942227569Sphilip 943227569Sphilip return (should_abort); 944227569Sphilip} 945227569Sphilip 946227569Sphilip#if EFSYS_OPT_MCDI 947227569Sphilip 948227569Sphilipstatic __checkReturn boolean_t 949299607Sarybchiksiena_ev_mcdi( 950227569Sphilip __in efx_evq_t *eep, 951227569Sphilip __in efx_qword_t *eqp, 952227569Sphilip __in const efx_ev_callbacks_t *eecp, 953227569Sphilip __in_opt void *arg) 954227569Sphilip{ 955227569Sphilip efx_nic_t *enp = eep->ee_enp; 956310930Sarybchik unsigned int code; 957227569Sphilip boolean_t should_abort = B_FALSE; 958227569Sphilip 959227569Sphilip EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); 960227569Sphilip 961227569Sphilip if (enp->en_family != EFX_FAMILY_SIENA) 962227569Sphilip goto out; 963227569Sphilip 964279078Sarybchik EFSYS_ASSERT(eecp->eec_link_change != NULL); 965279078Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 966279078Sarybchik#if EFSYS_OPT_MON_STATS 967279078Sarybchik EFSYS_ASSERT(eecp->eec_monitor != NULL); 968279078Sarybchik#endif 969279078Sarybchik 970227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_MCDI_RESPONSE); 971227569Sphilip 972227569Sphilip code = EFX_QWORD_FIELD(*eqp, MCDI_EVENT_CODE); 973227569Sphilip switch (code) { 974227569Sphilip case MCDI_EVENT_CODE_BADSSERT: 975227569Sphilip efx_mcdi_ev_death(enp, EINTR); 976227569Sphilip break; 977227569Sphilip 978227569Sphilip case MCDI_EVENT_CODE_CMDDONE: 979227569Sphilip efx_mcdi_ev_cpl(enp, 980283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_SEQ), 981283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_DATALEN), 982283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_ERRNO)); 983227569Sphilip break; 984227569Sphilip 985227569Sphilip case MCDI_EVENT_CODE_LINKCHANGE: { 986227569Sphilip efx_link_mode_t link_mode; 987227569Sphilip 988227569Sphilip siena_phy_link_ev(enp, eqp, &link_mode); 989227569Sphilip should_abort = eecp->eec_link_change(arg, link_mode); 990227569Sphilip break; 991227569Sphilip } 992227569Sphilip case MCDI_EVENT_CODE_SENSOREVT: { 993227569Sphilip#if EFSYS_OPT_MON_STATS 994227569Sphilip efx_mon_stat_t id; 995227569Sphilip efx_mon_stat_value_t value; 996291436Sarybchik efx_rc_t rc; 997227569Sphilip 998283514Sarybchik if ((rc = mcdi_mon_ev(enp, eqp, &id, &value)) == 0) 999227569Sphilip should_abort = eecp->eec_monitor(arg, id, value); 1000227569Sphilip else if (rc == ENOTSUP) { 1001227569Sphilip should_abort = eecp->eec_exception(arg, 1002227569Sphilip EFX_EXCEPTION_UNKNOWN_SENSOREVT, 1003227569Sphilip MCDI_EV_FIELD(eqp, DATA)); 1004227569Sphilip } else 1005227569Sphilip EFSYS_ASSERT(rc == ENODEV); /* Wrong port */ 1006227569Sphilip#else 1007227569Sphilip should_abort = B_FALSE; 1008227569Sphilip#endif 1009227569Sphilip break; 1010227569Sphilip } 1011227569Sphilip case MCDI_EVENT_CODE_SCHEDERR: 1012227569Sphilip /* Informational only */ 1013227569Sphilip break; 1014227569Sphilip 1015227569Sphilip case MCDI_EVENT_CODE_REBOOT: 1016227569Sphilip efx_mcdi_ev_death(enp, EIO); 1017227569Sphilip break; 1018227569Sphilip 1019227569Sphilip case MCDI_EVENT_CODE_MAC_STATS_DMA: 1020227569Sphilip#if EFSYS_OPT_MAC_STATS 1021227569Sphilip if (eecp->eec_mac_stats != NULL) { 1022227569Sphilip eecp->eec_mac_stats(arg, 1023227569Sphilip MCDI_EV_FIELD(eqp, MAC_STATS_DMA_GENERATION)); 1024227569Sphilip } 1025227569Sphilip#endif 1026227569Sphilip break; 1027227569Sphilip 1028227569Sphilip case MCDI_EVENT_CODE_FWALERT: { 1029227569Sphilip uint32_t reason = MCDI_EV_FIELD(eqp, FWALERT_REASON); 1030227569Sphilip 1031227569Sphilip if (reason == MCDI_EVENT_FWALERT_REASON_SRAM_ACCESS) 1032227569Sphilip should_abort = eecp->eec_exception(arg, 1033227569Sphilip EFX_EXCEPTION_FWALERT_SRAM, 1034227569Sphilip MCDI_EV_FIELD(eqp, FWALERT_DATA)); 1035227569Sphilip else 1036227569Sphilip should_abort = eecp->eec_exception(arg, 1037227569Sphilip EFX_EXCEPTION_UNKNOWN_FWALERT, 1038227569Sphilip MCDI_EV_FIELD(eqp, DATA)); 1039227569Sphilip break; 1040227569Sphilip } 1041227569Sphilip 1042227569Sphilip default: 1043227569Sphilip EFSYS_PROBE1(mc_pcol_error, int, code); 1044227569Sphilip break; 1045227569Sphilip } 1046227569Sphilip 1047227569Sphilipout: 1048227569Sphilip return (should_abort); 1049227569Sphilip} 1050227569Sphilip 1051279141Sarybchik#endif /* EFSYS_OPT_MCDI */ 1052227569Sphilip 1053291436Sarybchikstatic __checkReturn efx_rc_t 1054299607Sarybchiksiena_ev_qprime( 1055227569Sphilip __in efx_evq_t *eep, 1056227569Sphilip __in unsigned int count) 1057227569Sphilip{ 1058227569Sphilip efx_nic_t *enp = eep->ee_enp; 1059227569Sphilip uint32_t rptr; 1060227569Sphilip efx_dword_t dword; 1061227569Sphilip 1062227569Sphilip rptr = count & eep->ee_mask; 1063227569Sphilip 1064227569Sphilip EFX_POPULATE_DWORD_1(dword, FRF_AZ_EVQ_RPTR, rptr); 1065227569Sphilip 1066227569Sphilip EFX_BAR_TBL_WRITED(enp, FR_AZ_EVQ_RPTR_REG, eep->ee_index, 1067227569Sphilip &dword, B_FALSE); 1068227569Sphilip 1069227569Sphilip return (0); 1070227569Sphilip} 1071227569Sphilip 1072227569Sphilip#define EFX_EV_BATCH 8 1073227569Sphilip 1074283514Sarybchikstatic void 1075299607Sarybchiksiena_ev_qpoll( 1076227569Sphilip __in efx_evq_t *eep, 1077227569Sphilip __inout unsigned int *countp, 1078227569Sphilip __in const efx_ev_callbacks_t *eecp, 1079227569Sphilip __in_opt void *arg) 1080227569Sphilip{ 1081227569Sphilip efx_qword_t ev[EFX_EV_BATCH]; 1082227569Sphilip unsigned int batch; 1083227569Sphilip unsigned int total; 1084227569Sphilip unsigned int count; 1085227569Sphilip unsigned int index; 1086227569Sphilip size_t offset; 1087227569Sphilip 1088227569Sphilip EFSYS_ASSERT(countp != NULL); 1089227569Sphilip EFSYS_ASSERT(eecp != NULL); 1090227569Sphilip 1091227569Sphilip count = *countp; 1092227569Sphilip do { 1093227569Sphilip /* Read up until the end of the batch period */ 1094227569Sphilip batch = EFX_EV_BATCH - (count & (EFX_EV_BATCH - 1)); 1095227569Sphilip offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 1096227569Sphilip for (total = 0; total < batch; ++total) { 1097227569Sphilip EFSYS_MEM_READQ(eep->ee_esmp, offset, &(ev[total])); 1098227569Sphilip 1099227569Sphilip if (!EFX_EV_PRESENT(ev[total])) 1100227569Sphilip break; 1101227569Sphilip 1102227569Sphilip EFSYS_PROBE3(event, unsigned int, eep->ee_index, 1103227569Sphilip uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_1), 1104227569Sphilip uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_0)); 1105227569Sphilip 1106227569Sphilip offset += sizeof (efx_qword_t); 1107227569Sphilip } 1108227569Sphilip 1109227569Sphilip#if EFSYS_OPT_EV_PREFETCH && (EFSYS_OPT_EV_PREFETCH_PERIOD > 1) 1110227569Sphilip /* 1111227569Sphilip * Prefetch the next batch when we get within PREFETCH_PERIOD 1112227569Sphilip * of a completed batch. If the batch is smaller, then prefetch 1113227569Sphilip * immediately. 1114227569Sphilip */ 1115227569Sphilip if (total == batch && total < EFSYS_OPT_EV_PREFETCH_PERIOD) 1116227569Sphilip EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 1117227569Sphilip#endif /* EFSYS_OPT_EV_PREFETCH */ 1118227569Sphilip 1119227569Sphilip /* Process the batch of events */ 1120227569Sphilip for (index = 0; index < total; ++index) { 1121227569Sphilip boolean_t should_abort; 1122227569Sphilip uint32_t code; 1123227569Sphilip 1124227569Sphilip#if EFSYS_OPT_EV_PREFETCH 1125227569Sphilip /* Prefetch if we've now reached the batch period */ 1126227569Sphilip if (total == batch && 1127227569Sphilip index + EFSYS_OPT_EV_PREFETCH_PERIOD == total) { 1128227569Sphilip offset = (count + batch) & eep->ee_mask; 1129227569Sphilip offset *= sizeof (efx_qword_t); 1130227569Sphilip 1131227569Sphilip EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 1132227569Sphilip } 1133227569Sphilip#endif /* EFSYS_OPT_EV_PREFETCH */ 1134227569Sphilip 1135227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_ALL); 1136227569Sphilip 1137227569Sphilip code = EFX_QWORD_FIELD(ev[index], FSF_AZ_EV_CODE); 1138283514Sarybchik switch (code) { 1139283514Sarybchik case FSE_AZ_EV_CODE_RX_EV: 1140283514Sarybchik should_abort = eep->ee_rx(eep, 1141283514Sarybchik &(ev[index]), eecp, arg); 1142283514Sarybchik break; 1143283514Sarybchik case FSE_AZ_EV_CODE_TX_EV: 1144283514Sarybchik should_abort = eep->ee_tx(eep, 1145283514Sarybchik &(ev[index]), eecp, arg); 1146283514Sarybchik break; 1147283514Sarybchik case FSE_AZ_EV_CODE_DRIVER_EV: 1148283514Sarybchik should_abort = eep->ee_driver(eep, 1149283514Sarybchik &(ev[index]), eecp, arg); 1150283514Sarybchik break; 1151283514Sarybchik case FSE_AZ_EV_CODE_DRV_GEN_EV: 1152283514Sarybchik should_abort = eep->ee_drv_gen(eep, 1153283514Sarybchik &(ev[index]), eecp, arg); 1154283514Sarybchik break; 1155283514Sarybchik#if EFSYS_OPT_MCDI 1156283514Sarybchik case FSE_AZ_EV_CODE_MCDI_EVRESPONSE: 1157283514Sarybchik should_abort = eep->ee_mcdi(eep, 1158283514Sarybchik &(ev[index]), eecp, arg); 1159283514Sarybchik break; 1160283514Sarybchik#endif 1161283514Sarybchik case FSE_AZ_EV_CODE_GLOBAL_EV: 1162283514Sarybchik if (eep->ee_global) { 1163283514Sarybchik should_abort = eep->ee_global(eep, 1164283514Sarybchik &(ev[index]), eecp, arg); 1165283514Sarybchik break; 1166283514Sarybchik } 1167283514Sarybchik /* else fallthrough */ 1168283514Sarybchik default: 1169283514Sarybchik EFSYS_PROBE3(bad_event, 1170283514Sarybchik unsigned int, eep->ee_index, 1171283514Sarybchik uint32_t, 1172283514Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_1), 1173283514Sarybchik uint32_t, 1174283514Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_0)); 1175283514Sarybchik 1176283514Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 1177283514Sarybchik (void) eecp->eec_exception(arg, 1178283514Sarybchik EFX_EXCEPTION_EV_ERROR, code); 1179283514Sarybchik should_abort = B_TRUE; 1180283514Sarybchik } 1181227569Sphilip if (should_abort) { 1182227569Sphilip /* Ignore subsequent events */ 1183227569Sphilip total = index + 1; 1184227569Sphilip break; 1185227569Sphilip } 1186227569Sphilip } 1187227569Sphilip 1188227569Sphilip /* 1189227569Sphilip * Now that the hardware has most likely moved onto dma'ing 1190227569Sphilip * into the next cache line, clear the processed events. Take 1191227569Sphilip * care to only clear out events that we've processed 1192227569Sphilip */ 1193227569Sphilip EFX_SET_QWORD(ev[0]); 1194227569Sphilip offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 1195227569Sphilip for (index = 0; index < total; ++index) { 1196227569Sphilip EFSYS_MEM_WRITEQ(eep->ee_esmp, offset, &(ev[0])); 1197227569Sphilip offset += sizeof (efx_qword_t); 1198227569Sphilip } 1199227569Sphilip 1200227569Sphilip count += total; 1201227569Sphilip 1202227569Sphilip } while (total == batch); 1203227569Sphilip 1204227569Sphilip *countp = count; 1205227569Sphilip} 1206227569Sphilip 1207283514Sarybchikstatic void 1208299607Sarybchiksiena_ev_qpost( 1209227569Sphilip __in efx_evq_t *eep, 1210227569Sphilip __in uint16_t data) 1211227569Sphilip{ 1212227569Sphilip efx_nic_t *enp = eep->ee_enp; 1213227569Sphilip efx_qword_t ev; 1214227569Sphilip efx_oword_t oword; 1215227569Sphilip 1216227569Sphilip EFX_POPULATE_QWORD_2(ev, FSF_AZ_EV_CODE, FSE_AZ_EV_CODE_DRV_GEN_EV, 1217227569Sphilip FSF_AZ_EV_DATA_DW0, (uint32_t)data); 1218227569Sphilip 1219227569Sphilip EFX_POPULATE_OWORD_3(oword, FRF_AZ_DRV_EV_QID, eep->ee_index, 1220227569Sphilip EFX_DWORD_0, EFX_QWORD_FIELD(ev, EFX_DWORD_0), 1221227569Sphilip EFX_DWORD_1, EFX_QWORD_FIELD(ev, EFX_DWORD_1)); 1222227569Sphilip 1223227569Sphilip EFX_BAR_WRITEO(enp, FR_AZ_DRV_EV_REG, &oword); 1224227569Sphilip} 1225227569Sphilip 1226291436Sarybchikstatic __checkReturn efx_rc_t 1227299607Sarybchiksiena_ev_qmoderate( 1228227569Sphilip __in efx_evq_t *eep, 1229227569Sphilip __in unsigned int us) 1230227569Sphilip{ 1231227569Sphilip efx_nic_t *enp = eep->ee_enp; 1232279048Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1233227569Sphilip unsigned int locked; 1234227569Sphilip efx_dword_t dword; 1235291436Sarybchik efx_rc_t rc; 1236227569Sphilip 1237279182Sarybchik if (us > encp->enc_evq_timer_max_us) { 1238227569Sphilip rc = EINVAL; 1239227569Sphilip goto fail1; 1240227569Sphilip } 1241227569Sphilip 1242227569Sphilip /* If the value is zero then disable the timer */ 1243227569Sphilip if (us == 0) { 1244299403Sarybchik EFX_POPULATE_DWORD_2(dword, 1245299403Sarybchik FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS, 1246299403Sarybchik FRF_CZ_TC_TIMER_VAL, 0); 1247227569Sphilip } else { 1248301308Sarybchik unsigned int ticks; 1249227569Sphilip 1250301308Sarybchik if ((rc = efx_ev_usecs_to_ticks(enp, us, &ticks)) != 0) 1251301308Sarybchik goto fail2; 1252227569Sphilip 1253301308Sarybchik EFSYS_ASSERT(ticks > 0); 1254299403Sarybchik EFX_POPULATE_DWORD_2(dword, 1255299403Sarybchik FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF, 1256301308Sarybchik FRF_CZ_TC_TIMER_VAL, ticks - 1); 1257227569Sphilip } 1258227569Sphilip 1259227569Sphilip locked = (eep->ee_index == 0) ? 1 : 0; 1260227569Sphilip 1261227569Sphilip EFX_BAR_TBL_WRITED(enp, FR_BZ_TIMER_COMMAND_REGP0, 1262227569Sphilip eep->ee_index, &dword, locked); 1263227569Sphilip 1264227569Sphilip return (0); 1265227569Sphilip 1266301308Sarybchikfail2: 1267301308Sarybchik EFSYS_PROBE(fail2); 1268227569Sphilipfail1: 1269291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1270227569Sphilip 1271227569Sphilip return (rc); 1272227569Sphilip} 1273227569Sphilip 1274291436Sarybchikstatic __checkReturn efx_rc_t 1275299607Sarybchiksiena_ev_qcreate( 1276227569Sphilip __in efx_nic_t *enp, 1277227569Sphilip __in unsigned int index, 1278227569Sphilip __in efsys_mem_t *esmp, 1279227569Sphilip __in size_t n, 1280227569Sphilip __in uint32_t id, 1281301122Sarybchik __in uint32_t us, 1282283514Sarybchik __in efx_evq_t *eep) 1283227569Sphilip{ 1284227569Sphilip efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1285227569Sphilip uint32_t size; 1286227569Sphilip efx_oword_t oword; 1287291436Sarybchik efx_rc_t rc; 1288227569Sphilip 1289300840Sarybchik _NOTE(ARGUNUSED(esmp)) 1290300840Sarybchik 1291283514Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MAXNEVS)); 1292283514Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MINNEVS)); 1293227569Sphilip 1294283514Sarybchik if (!ISP2(n) || (n < EFX_EVQ_MINNEVS) || (n > EFX_EVQ_MAXNEVS)) { 1295227569Sphilip rc = EINVAL; 1296227569Sphilip goto fail1; 1297227569Sphilip } 1298227569Sphilip if (index >= encp->enc_evq_limit) { 1299227569Sphilip rc = EINVAL; 1300227569Sphilip goto fail2; 1301227569Sphilip } 1302227569Sphilip#if EFSYS_OPT_RX_SCALE 1303227569Sphilip if (enp->en_intr.ei_type == EFX_INTR_LINE && 1304227569Sphilip index >= EFX_MAXRSS_LEGACY) { 1305227569Sphilip rc = EINVAL; 1306227569Sphilip goto fail3; 1307227569Sphilip } 1308227569Sphilip#endif 1309227569Sphilip for (size = 0; (1 << size) <= (EFX_EVQ_MAXNEVS / EFX_EVQ_MINNEVS); 1310227569Sphilip size++) 1311227569Sphilip if ((1 << size) == (int)(n / EFX_EVQ_MINNEVS)) 1312227569Sphilip break; 1313227569Sphilip if (id + (1 << size) >= encp->enc_buftbl_limit) { 1314227569Sphilip rc = EINVAL; 1315227569Sphilip goto fail4; 1316227569Sphilip } 1317227569Sphilip 1318227569Sphilip /* Set up the handler table */ 1319299607Sarybchik eep->ee_rx = siena_ev_rx; 1320299607Sarybchik eep->ee_tx = siena_ev_tx; 1321299607Sarybchik eep->ee_driver = siena_ev_driver; 1322299607Sarybchik eep->ee_global = siena_ev_global; 1323299607Sarybchik eep->ee_drv_gen = siena_ev_drv_gen; 1324227569Sphilip#if EFSYS_OPT_MCDI 1325299607Sarybchik eep->ee_mcdi = siena_ev_mcdi; 1326279141Sarybchik#endif /* EFSYS_OPT_MCDI */ 1327227569Sphilip 1328227569Sphilip /* Set up the new event queue */ 1329299403Sarybchik EFX_POPULATE_OWORD_1(oword, FRF_CZ_TIMER_Q_EN, 1); 1330299403Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, index, &oword, B_TRUE); 1331227569Sphilip 1332227569Sphilip EFX_POPULATE_OWORD_3(oword, FRF_AZ_EVQ_EN, 1, FRF_AZ_EVQ_SIZE, size, 1333227569Sphilip FRF_AZ_EVQ_BUF_BASE_ID, id); 1334227569Sphilip 1335283514Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, index, &oword, B_TRUE); 1336227569Sphilip 1337301122Sarybchik /* Set initial interrupt moderation */ 1338301122Sarybchik siena_ev_qmoderate(eep, us); 1339301122Sarybchik 1340227569Sphilip return (0); 1341227569Sphilip 1342227569Sphilipfail4: 1343227569Sphilip EFSYS_PROBE(fail4); 1344227569Sphilip#if EFSYS_OPT_RX_SCALE 1345227569Sphilipfail3: 1346227569Sphilip EFSYS_PROBE(fail3); 1347227569Sphilip#endif 1348227569Sphilipfail2: 1349227569Sphilip EFSYS_PROBE(fail2); 1350227569Sphilipfail1: 1351291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1352227569Sphilip 1353227569Sphilip return (rc); 1354227569Sphilip} 1355227569Sphilip 1356299320Sarybchik#endif /* EFSYS_OPT_SIENA */ 1357283514Sarybchik 1358277886Sarybchik#if EFSYS_OPT_QSTATS 1359227569Sphilip#if EFSYS_OPT_NAMES 1360310927Sarybchik/* START MKCONFIG GENERATED EfxEventQueueStatNamesBlock c0f3bc5083b40532 */ 1361310927Sarybchikstatic const char * const __efx_ev_qstat_name[] = { 1362227569Sphilip "all", 1363227569Sphilip "rx", 1364227569Sphilip "rx_ok", 1365227569Sphilip "rx_frm_trunc", 1366227569Sphilip "rx_tobe_disc", 1367227569Sphilip "rx_pause_frm_err", 1368227569Sphilip "rx_buf_owner_id_err", 1369227569Sphilip "rx_ipv4_hdr_chksum_err", 1370227569Sphilip "rx_tcp_udp_chksum_err", 1371227569Sphilip "rx_eth_crc_err", 1372227569Sphilip "rx_ip_frag_err", 1373227569Sphilip "rx_mcast_pkt", 1374227569Sphilip "rx_mcast_hash_match", 1375227569Sphilip "rx_tcp_ipv4", 1376227569Sphilip "rx_tcp_ipv6", 1377227569Sphilip "rx_udp_ipv4", 1378227569Sphilip "rx_udp_ipv6", 1379227569Sphilip "rx_other_ipv4", 1380227569Sphilip "rx_other_ipv6", 1381227569Sphilip "rx_non_ip", 1382283514Sarybchik "rx_batch", 1383227569Sphilip "tx", 1384227569Sphilip "tx_wq_ff_full", 1385227569Sphilip "tx_pkt_err", 1386227569Sphilip "tx_pkt_too_big", 1387227569Sphilip "tx_unexpected", 1388227569Sphilip "global", 1389227569Sphilip "global_mnt", 1390227569Sphilip "driver", 1391227569Sphilip "driver_srm_upd_done", 1392227569Sphilip "driver_tx_descq_fls_done", 1393227569Sphilip "driver_rx_descq_fls_done", 1394227569Sphilip "driver_rx_descq_fls_failed", 1395227569Sphilip "driver_rx_dsc_error", 1396227569Sphilip "driver_tx_dsc_error", 1397227569Sphilip "drv_gen", 1398227569Sphilip "mcdi_response", 1399227569Sphilip}; 1400227569Sphilip/* END MKCONFIG GENERATED EfxEventQueueStatNamesBlock */ 1401227569Sphilip 1402283514Sarybchik const char * 1403227569Sphilipefx_ev_qstat_name( 1404227569Sphilip __in efx_nic_t *enp, 1405227569Sphilip __in unsigned int id) 1406227569Sphilip{ 1407227569Sphilip EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 1408227569Sphilip EFSYS_ASSERT3U(id, <, EV_NQSTATS); 1409227569Sphilip 1410227569Sphilip return (__efx_ev_qstat_name[id]); 1411227569Sphilip} 1412227569Sphilip#endif /* EFSYS_OPT_NAMES */ 1413277886Sarybchik#endif /* EFSYS_OPT_QSTATS */ 1414227569Sphilip 1415299320Sarybchik#if EFSYS_OPT_SIENA 1416283514Sarybchik 1417227569Sphilip#if EFSYS_OPT_QSTATS 1418283514Sarybchikstatic void 1419299607Sarybchiksiena_ev_qstats_update( 1420227569Sphilip __in efx_evq_t *eep, 1421227569Sphilip __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) 1422227569Sphilip{ 1423227569Sphilip unsigned int id; 1424227569Sphilip 1425227569Sphilip for (id = 0; id < EV_NQSTATS; id++) { 1426227569Sphilip efsys_stat_t *essp = &stat[id]; 1427227569Sphilip 1428227569Sphilip EFSYS_STAT_INCR(essp, eep->ee_stat[id]); 1429227569Sphilip eep->ee_stat[id] = 0; 1430227569Sphilip } 1431227569Sphilip} 1432227569Sphilip#endif /* EFSYS_OPT_QSTATS */ 1433227569Sphilip 1434283514Sarybchikstatic void 1435299607Sarybchiksiena_ev_qdestroy( 1436227569Sphilip __in efx_evq_t *eep) 1437227569Sphilip{ 1438227569Sphilip efx_nic_t *enp = eep->ee_enp; 1439227569Sphilip efx_oword_t oword; 1440227569Sphilip 1441227569Sphilip /* Purge event queue */ 1442227569Sphilip EFX_ZERO_OWORD(oword); 1443227569Sphilip 1444227569Sphilip EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, 1445283514Sarybchik eep->ee_index, &oword, B_TRUE); 1446227569Sphilip 1447299403Sarybchik EFX_ZERO_OWORD(oword); 1448299403Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, eep->ee_index, &oword, B_TRUE); 1449227569Sphilip} 1450227569Sphilip 1451283514Sarybchikstatic void 1452299607Sarybchiksiena_ev_fini( 1453227569Sphilip __in efx_nic_t *enp) 1454227569Sphilip{ 1455283514Sarybchik _NOTE(ARGUNUSED(enp)) 1456283514Sarybchik} 1457227569Sphilip 1458299320Sarybchik#endif /* EFSYS_OPT_SIENA */ 1459