efx_ev.c revision 293806
1227569Sphilip/*- 2283514Sarybchik * Copyright (c) 2007-2015 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: head/sys/dev/sfxge/common/efx_ev.c 293806 2016-01-13 06:37:45Z arybchik $"); 33228078Sphilip 34227569Sphilip#include "efsys.h" 35227569Sphilip#include "efx.h" 36227569Sphilip#include "efx_types.h" 37227569Sphilip#include "efx_regs.h" 38227569Sphilip#include "efx_impl.h" 39283514Sarybchik#include "mcdi_mon.h" 40227569Sphilip 41227569Sphilip#if EFSYS_OPT_QSTATS 42227569Sphilip#define EFX_EV_QSTAT_INCR(_eep, _stat) \ 43227569Sphilip do { \ 44227569Sphilip (_eep)->ee_stat[_stat]++; \ 45227569Sphilip _NOTE(CONSTANTCONDITION) \ 46227569Sphilip } while (B_FALSE) 47227569Sphilip#else 48227569Sphilip#define EFX_EV_QSTAT_INCR(_eep, _stat) 49227569Sphilip#endif 50227569Sphilip 51283514Sarybchik#define EFX_EV_PRESENT(_qword) \ 52283514Sarybchik (EFX_QWORD_FIELD((_qword), EFX_DWORD_0) != 0xffffffff && \ 53283514Sarybchik EFX_QWORD_FIELD((_qword), EFX_DWORD_1) != 0xffffffff) 54283514Sarybchik 55283514Sarybchik 56283514Sarybchik 57283514Sarybchik#if EFSYS_OPT_FALCON || EFSYS_OPT_SIENA 58283514Sarybchik 59291436Sarybchikstatic __checkReturn efx_rc_t 60283514Sarybchikfalconsiena_ev_init( 61283514Sarybchik __in efx_nic_t *enp); 62283514Sarybchik 63283514Sarybchikstatic void 64283514Sarybchikfalconsiena_ev_fini( 65283514Sarybchik __in efx_nic_t *enp); 66283514Sarybchik 67291436Sarybchikstatic __checkReturn efx_rc_t 68283514Sarybchikfalconsiena_ev_qcreate( 69283514Sarybchik __in efx_nic_t *enp, 70283514Sarybchik __in unsigned int index, 71283514Sarybchik __in efsys_mem_t *esmp, 72283514Sarybchik __in size_t n, 73283514Sarybchik __in uint32_t id, 74283514Sarybchik __in efx_evq_t *eep); 75283514Sarybchik 76283514Sarybchikstatic void 77283514Sarybchikfalconsiena_ev_qdestroy( 78283514Sarybchik __in efx_evq_t *eep); 79283514Sarybchik 80291436Sarybchikstatic __checkReturn efx_rc_t 81283514Sarybchikfalconsiena_ev_qprime( 82283514Sarybchik __in efx_evq_t *eep, 83283514Sarybchik __in unsigned int count); 84283514Sarybchik 85283514Sarybchikstatic void 86283514Sarybchikfalconsiena_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 93283514Sarybchikfalconsiena_ev_qpost( 94283514Sarybchik __in efx_evq_t *eep, 95283514Sarybchik __in uint16_t data); 96283514Sarybchik 97291436Sarybchikstatic __checkReturn efx_rc_t 98283514Sarybchikfalconsiena_ev_qmoderate( 99283514Sarybchik __in efx_evq_t *eep, 100283514Sarybchik __in unsigned int us); 101283514Sarybchik 102283514Sarybchik#if EFSYS_OPT_QSTATS 103283514Sarybchikstatic void 104283514Sarybchikfalconsiena_ev_qstats_update( 105283514Sarybchik __in efx_evq_t *eep, 106283514Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat); 107283514Sarybchik 108283514Sarybchik#endif 109283514Sarybchik 110283514Sarybchik#endif /* EFSYS_OPT_FALCON || EFSYS_OPT_SIENA */ 111283514Sarybchik 112283514Sarybchik#if EFSYS_OPT_FALCON 113283514Sarybchikstatic efx_ev_ops_t __efx_ev_falcon_ops = { 114283514Sarybchik falconsiena_ev_init, /* eevo_init */ 115283514Sarybchik falconsiena_ev_fini, /* eevo_fini */ 116283514Sarybchik falconsiena_ev_qcreate, /* eevo_qcreate */ 117283514Sarybchik falconsiena_ev_qdestroy, /* eevo_qdestroy */ 118283514Sarybchik falconsiena_ev_qprime, /* eevo_qprime */ 119283514Sarybchik falconsiena_ev_qpost, /* eevo_qpost */ 120283514Sarybchik falconsiena_ev_qmoderate, /* eevo_qmoderate */ 121283514Sarybchik#if EFSYS_OPT_QSTATS 122283514Sarybchik falconsiena_ev_qstats_update, /* eevo_qstats_update */ 123283514Sarybchik#endif 124283514Sarybchik}; 125283514Sarybchik#endif /* EFSYS_OPT_FALCON */ 126283514Sarybchik 127283514Sarybchik#if EFSYS_OPT_SIENA 128283514Sarybchikstatic efx_ev_ops_t __efx_ev_siena_ops = { 129283514Sarybchik falconsiena_ev_init, /* eevo_init */ 130283514Sarybchik falconsiena_ev_fini, /* eevo_fini */ 131283514Sarybchik falconsiena_ev_qcreate, /* eevo_qcreate */ 132283514Sarybchik falconsiena_ev_qdestroy, /* eevo_qdestroy */ 133283514Sarybchik falconsiena_ev_qprime, /* eevo_qprime */ 134283514Sarybchik falconsiena_ev_qpost, /* eevo_qpost */ 135283514Sarybchik falconsiena_ev_qmoderate, /* eevo_qmoderate */ 136283514Sarybchik#if EFSYS_OPT_QSTATS 137283514Sarybchik falconsiena_ev_qstats_update, /* eevo_qstats_update */ 138283514Sarybchik#endif 139283514Sarybchik}; 140283514Sarybchik#endif /* EFSYS_OPT_SIENA */ 141283514Sarybchik 142293752Sarybchik#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 143293752Sarybchikstatic efx_ev_ops_t __efx_ev_ef10_ops = { 144293752Sarybchik ef10_ev_init, /* eevo_init */ 145293752Sarybchik ef10_ev_fini, /* eevo_fini */ 146293752Sarybchik ef10_ev_qcreate, /* eevo_qcreate */ 147293752Sarybchik ef10_ev_qdestroy, /* eevo_qdestroy */ 148293752Sarybchik ef10_ev_qprime, /* eevo_qprime */ 149293752Sarybchik ef10_ev_qpost, /* eevo_qpost */ 150293752Sarybchik ef10_ev_qmoderate, /* eevo_qmoderate */ 151283514Sarybchik#if EFSYS_OPT_QSTATS 152293752Sarybchik ef10_ev_qstats_update, /* eevo_qstats_update */ 153283514Sarybchik#endif 154283514Sarybchik}; 155293752Sarybchik#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 156283514Sarybchik 157283514Sarybchik 158291436Sarybchik __checkReturn efx_rc_t 159227569Sphilipefx_ev_init( 160227569Sphilip __in efx_nic_t *enp) 161227569Sphilip{ 162283514Sarybchik efx_ev_ops_t *eevop; 163291436Sarybchik efx_rc_t rc; 164227569Sphilip 165227569Sphilip EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 166227569Sphilip EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); 167227569Sphilip 168227569Sphilip if (enp->en_mod_flags & EFX_MOD_EV) { 169227569Sphilip rc = EINVAL; 170227569Sphilip goto fail1; 171227569Sphilip } 172227569Sphilip 173283514Sarybchik switch (enp->en_family) { 174283514Sarybchik#if EFSYS_OPT_FALCON 175283514Sarybchik case EFX_FAMILY_FALCON: 176283514Sarybchik eevop = (efx_ev_ops_t *)&__efx_ev_falcon_ops; 177283514Sarybchik break; 178283514Sarybchik#endif /* EFSYS_OPT_FALCON */ 179283514Sarybchik 180283514Sarybchik#if EFSYS_OPT_SIENA 181283514Sarybchik case EFX_FAMILY_SIENA: 182283514Sarybchik eevop = (efx_ev_ops_t *)&__efx_ev_siena_ops; 183283514Sarybchik break; 184283514Sarybchik#endif /* EFSYS_OPT_SIENA */ 185283514Sarybchik 186283514Sarybchik#if EFSYS_OPT_HUNTINGTON 187283514Sarybchik case EFX_FAMILY_HUNTINGTON: 188293752Sarybchik eevop = (efx_ev_ops_t *)&__efx_ev_ef10_ops; 189283514Sarybchik break; 190283514Sarybchik#endif /* EFSYS_OPT_HUNTINGTON */ 191283514Sarybchik 192293752Sarybchik#if EFSYS_OPT_MEDFORD 193293752Sarybchik case EFX_FAMILY_MEDFORD: 194293752Sarybchik eevop = (efx_ev_ops_t *)&__efx_ev_ef10_ops; 195293752Sarybchik break; 196293752Sarybchik#endif /* EFSYS_OPT_MEDFORD */ 197293752Sarybchik 198283514Sarybchik default: 199283514Sarybchik EFSYS_ASSERT(0); 200283514Sarybchik rc = ENOTSUP; 201283514Sarybchik goto fail1; 202283514Sarybchik } 203283514Sarybchik 204227569Sphilip EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 205227569Sphilip 206283514Sarybchik if ((rc = eevop->eevo_init(enp)) != 0) 207283514Sarybchik goto fail2; 208283514Sarybchik 209283514Sarybchik enp->en_eevop = eevop; 210283514Sarybchik enp->en_mod_flags |= EFX_MOD_EV; 211283514Sarybchik return (0); 212283514Sarybchik 213283514Sarybchikfail2: 214283514Sarybchik EFSYS_PROBE(fail2); 215283514Sarybchik 216283514Sarybchikfail1: 217291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 218283514Sarybchik 219283514Sarybchik enp->en_eevop = NULL; 220283514Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 221283514Sarybchik return (rc); 222283514Sarybchik} 223283514Sarybchik 224283514Sarybchik void 225283514Sarybchikefx_ev_fini( 226283514Sarybchik __in efx_nic_t *enp) 227283514Sarybchik{ 228283514Sarybchik efx_ev_ops_t *eevop = enp->en_eevop; 229283514Sarybchik 230283514Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 231283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); 232283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 233283514Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_RX)); 234283514Sarybchik EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_TX)); 235283514Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); 236283514Sarybchik 237283514Sarybchik eevop->eevo_fini(enp); 238283514Sarybchik 239283514Sarybchik enp->en_eevop = NULL; 240283514Sarybchik enp->en_mod_flags &= ~EFX_MOD_EV; 241283514Sarybchik} 242283514Sarybchik 243283514Sarybchik 244291436Sarybchik __checkReturn efx_rc_t 245283514Sarybchikefx_ev_qcreate( 246283514Sarybchik __in efx_nic_t *enp, 247283514Sarybchik __in unsigned int index, 248283514Sarybchik __in efsys_mem_t *esmp, 249283514Sarybchik __in size_t n, 250283514Sarybchik __in uint32_t id, 251283514Sarybchik __deref_out efx_evq_t **eepp) 252283514Sarybchik{ 253283514Sarybchik efx_ev_ops_t *eevop = enp->en_eevop; 254283514Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 255283514Sarybchik efx_evq_t *eep; 256291436Sarybchik efx_rc_t rc; 257283514Sarybchik 258283514Sarybchik EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 259283514Sarybchik EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); 260283514Sarybchik 261283514Sarybchik EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <, encp->enc_evq_limit); 262283514Sarybchik 263283514Sarybchik /* Allocate an EVQ object */ 264283514Sarybchik EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep); 265283514Sarybchik if (eep == NULL) { 266283514Sarybchik rc = ENOMEM; 267283514Sarybchik goto fail1; 268283514Sarybchik } 269283514Sarybchik 270283514Sarybchik eep->ee_magic = EFX_EVQ_MAGIC; 271283514Sarybchik eep->ee_enp = enp; 272283514Sarybchik eep->ee_index = index; 273283514Sarybchik eep->ee_mask = n - 1; 274283514Sarybchik eep->ee_esmp = esmp; 275283514Sarybchik 276283514Sarybchik if ((rc = eevop->eevo_qcreate(enp, index, esmp, n, id, eep)) != 0) 277283514Sarybchik goto fail2; 278283514Sarybchik 279283514Sarybchik enp->en_ev_qcount++; 280283514Sarybchik *eepp = eep; 281283514Sarybchik 282283514Sarybchik return (0); 283283514Sarybchik 284283514Sarybchikfail2: 285283514Sarybchik EFSYS_PROBE(fail2); 286283514Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 287283514Sarybchikfail1: 288291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 289283514Sarybchik return (rc); 290283514Sarybchik} 291283514Sarybchik 292283514Sarybchik void 293283514Sarybchikefx_ev_qdestroy( 294283514Sarybchik __in efx_evq_t *eep) 295283514Sarybchik{ 296283514Sarybchik efx_nic_t *enp = eep->ee_enp; 297283514Sarybchik efx_ev_ops_t *eevop = enp->en_eevop; 298283514Sarybchik 299283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 300283514Sarybchik 301283514Sarybchik EFSYS_ASSERT(enp->en_ev_qcount != 0); 302283514Sarybchik --enp->en_ev_qcount; 303283514Sarybchik 304283514Sarybchik eevop->eevo_qdestroy(eep); 305283514Sarybchik 306283514Sarybchik /* Free the EVQ object */ 307283514Sarybchik EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); 308283514Sarybchik} 309283514Sarybchik 310291436Sarybchik __checkReturn efx_rc_t 311283514Sarybchikefx_ev_qprime( 312283514Sarybchik __in efx_evq_t *eep, 313283514Sarybchik __in unsigned int count) 314283514Sarybchik{ 315283514Sarybchik efx_nic_t *enp = eep->ee_enp; 316283514Sarybchik efx_ev_ops_t *eevop = enp->en_eevop; 317291436Sarybchik efx_rc_t rc; 318283514Sarybchik 319283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 320283514Sarybchik 321283514Sarybchik if (!(enp->en_mod_flags & EFX_MOD_INTR)) { 322283514Sarybchik rc = EINVAL; 323283514Sarybchik goto fail1; 324283514Sarybchik } 325283514Sarybchik 326283514Sarybchik if ((rc = eevop->eevo_qprime(eep, count)) != 0) 327283514Sarybchik goto fail2; 328283514Sarybchik 329283514Sarybchik return (0); 330283514Sarybchik 331283514Sarybchikfail2: 332283514Sarybchik EFSYS_PROBE(fail2); 333283514Sarybchikfail1: 334291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 335283514Sarybchik return (rc); 336283514Sarybchik} 337283514Sarybchik 338283514Sarybchik __checkReturn boolean_t 339283514Sarybchikefx_ev_qpending( 340283514Sarybchik __in efx_evq_t *eep, 341283514Sarybchik __in unsigned int count) 342283514Sarybchik{ 343283514Sarybchik size_t offset; 344283514Sarybchik efx_qword_t qword; 345283514Sarybchik 346283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 347283514Sarybchik 348283514Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 349283514Sarybchik EFSYS_MEM_READQ(eep->ee_esmp, offset, &qword); 350283514Sarybchik 351283514Sarybchik return (EFX_EV_PRESENT(qword)); 352283514Sarybchik} 353283514Sarybchik 354283514Sarybchik#if EFSYS_OPT_EV_PREFETCH 355283514Sarybchik 356283514Sarybchik void 357283514Sarybchikefx_ev_qprefetch( 358283514Sarybchik __in efx_evq_t *eep, 359283514Sarybchik __in unsigned int count) 360283514Sarybchik{ 361283514Sarybchik efx_nic_t *enp = eep->ee_enp; 362283514Sarybchik unsigned int offset; 363283514Sarybchik 364283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 365283514Sarybchik 366283514Sarybchik offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 367283514Sarybchik EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 368283514Sarybchik} 369283514Sarybchik 370283514Sarybchik#endif /* EFSYS_OPT_EV_PREFETCH */ 371283514Sarybchik 372283514Sarybchik void 373283514Sarybchikefx_ev_qpoll( 374283514Sarybchik __in efx_evq_t *eep, 375283514Sarybchik __inout unsigned int *countp, 376283514Sarybchik __in const efx_ev_callbacks_t *eecp, 377283514Sarybchik __in_opt void *arg) 378283514Sarybchik{ 379283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 380283514Sarybchik 381227569Sphilip /* 382283514Sarybchik * FIXME: Huntington will require support for hardware event batching 383283514Sarybchik * and merging, which will need a different ev_qpoll implementation. 384283514Sarybchik * 385283514Sarybchik * Without those features the Falcon/Siena code can be used unchanged. 386283514Sarybchik */ 387283514Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_LBN == FSF_AZ_EV_CODE_LBN); 388283514Sarybchik EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_WIDTH == FSF_AZ_EV_CODE_WIDTH); 389283514Sarybchik 390283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_RX_EV == FSE_AZ_EV_CODE_RX_EV); 391283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_TX_EV == FSE_AZ_EV_CODE_TX_EV); 392283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRIVER_EV == FSE_AZ_EV_CODE_DRIVER_EV); 393283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRV_GEN_EV == 394283514Sarybchik FSE_AZ_EV_CODE_DRV_GEN_EV); 395283514Sarybchik#if EFSYS_OPT_MCDI 396283514Sarybchik EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_MCDI_EV == 397283514Sarybchik FSE_AZ_EV_CODE_MCDI_EVRESPONSE); 398283514Sarybchik#endif 399283514Sarybchik falconsiena_ev_qpoll(eep, countp, eecp, arg); 400283514Sarybchik} 401283514Sarybchik 402283514Sarybchik void 403283514Sarybchikefx_ev_qpost( 404283514Sarybchik __in efx_evq_t *eep, 405283514Sarybchik __in uint16_t data) 406283514Sarybchik{ 407283514Sarybchik efx_nic_t *enp = eep->ee_enp; 408283514Sarybchik efx_ev_ops_t *eevop = enp->en_eevop; 409283514Sarybchik 410283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 411283514Sarybchik 412283514Sarybchik EFSYS_ASSERT(eevop != NULL && 413283514Sarybchik eevop->eevo_qpost != NULL); 414283514Sarybchik 415283514Sarybchik eevop->eevo_qpost(eep, data); 416283514Sarybchik} 417283514Sarybchik 418291436Sarybchik __checkReturn efx_rc_t 419283514Sarybchikefx_ev_qmoderate( 420283514Sarybchik __in efx_evq_t *eep, 421283514Sarybchik __in unsigned int us) 422283514Sarybchik{ 423283514Sarybchik efx_nic_t *enp = eep->ee_enp; 424283514Sarybchik efx_ev_ops_t *eevop = enp->en_eevop; 425291436Sarybchik efx_rc_t rc; 426283514Sarybchik 427283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 428283514Sarybchik 429283514Sarybchik if ((rc = eevop->eevo_qmoderate(eep, us)) != 0) 430283514Sarybchik goto fail1; 431283514Sarybchik 432283514Sarybchik return (0); 433283514Sarybchik 434283514Sarybchikfail1: 435291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 436283514Sarybchik return (rc); 437283514Sarybchik} 438283514Sarybchik 439283514Sarybchik#if EFSYS_OPT_QSTATS 440283514Sarybchik void 441283514Sarybchikefx_ev_qstats_update( 442283514Sarybchik __in efx_evq_t *eep, 443283514Sarybchik __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) 444283514Sarybchik 445283514Sarybchik{ efx_nic_t *enp = eep->ee_enp; 446283514Sarybchik efx_ev_ops_t *eevop = enp->en_eevop; 447283514Sarybchik 448283514Sarybchik EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); 449283514Sarybchik 450283514Sarybchik eevop->eevo_qstats_update(eep, stat); 451283514Sarybchik} 452283514Sarybchik 453283514Sarybchik#endif /* EFSYS_OPT_QSTATS */ 454283514Sarybchik 455283514Sarybchik#if EFSYS_OPT_FALCON || EFSYS_OPT_SIENA 456283514Sarybchik 457291436Sarybchikstatic __checkReturn efx_rc_t 458283514Sarybchikfalconsiena_ev_init( 459283514Sarybchik __in efx_nic_t *enp) 460283514Sarybchik{ 461283514Sarybchik efx_oword_t oword; 462283514Sarybchik 463283514Sarybchik /* 464227569Sphilip * Program the event queue for receive and transmit queue 465227569Sphilip * flush events. 466227569Sphilip */ 467227569Sphilip EFX_BAR_READO(enp, FR_AZ_DP_CTRL_REG, &oword); 468227569Sphilip EFX_SET_OWORD_FIELD(oword, FRF_AZ_FLS_EVQ_ID, 0); 469227569Sphilip EFX_BAR_WRITEO(enp, FR_AZ_DP_CTRL_REG, &oword); 470227569Sphilip 471227569Sphilip return (0); 472227569Sphilip 473227569Sphilip} 474227569Sphilip 475227569Sphilipstatic __checkReturn boolean_t 476283514Sarybchikfalconsiena_ev_rx_not_ok( 477227569Sphilip __in efx_evq_t *eep, 478227569Sphilip __in efx_qword_t *eqp, 479227569Sphilip __in uint32_t label, 480227569Sphilip __in uint32_t id, 481227569Sphilip __inout uint16_t *flagsp) 482227569Sphilip{ 483227569Sphilip boolean_t ignore = B_FALSE; 484227569Sphilip 485227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TOBE_DISC) != 0) { 486227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TOBE_DISC); 487227569Sphilip EFSYS_PROBE(tobe_disc); 488278839Sarybchik /* 489278839Sarybchik * Assume this is a unicast address mismatch, unless below 490227569Sphilip * we find either FSF_AZ_RX_EV_ETH_CRC_ERR or 491227569Sphilip * EV_RX_PAUSE_FRM_ERR is set. 492227569Sphilip */ 493227569Sphilip (*flagsp) |= EFX_ADDR_MISMATCH; 494227569Sphilip } 495227569Sphilip 496227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_FRM_TRUNC) != 0) { 497227569Sphilip EFSYS_PROBE2(frm_trunc, uint32_t, label, uint32_t, id); 498227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC); 499227569Sphilip (*flagsp) |= EFX_DISCARD; 500227569Sphilip 501293806Sarybchik#if EFSYS_OPT_RX_SCATTER 502278839Sarybchik /* 503278839Sarybchik * Lookout for payload queue ran dry errors and ignore them. 504227569Sphilip * 505227569Sphilip * Sadly for the header/data split cases, the descriptor 506227569Sphilip * pointer in this event refers to the header queue and 507227569Sphilip * therefore cannot be easily detected as duplicate. 508227569Sphilip * So we drop these and rely on the receive processing seeing 509227569Sphilip * a subsequent packet with FSF_AZ_RX_EV_SOP set to discard 510227569Sphilip * the partially received packet. 511227569Sphilip */ 512227569Sphilip if ((EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) == 0) && 513227569Sphilip (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) == 0) && 514227569Sphilip (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT) == 0)) 515227569Sphilip ignore = B_TRUE; 516293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 517227569Sphilip } 518227569Sphilip 519227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_ETH_CRC_ERR) != 0) { 520227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_ETH_CRC_ERR); 521227569Sphilip EFSYS_PROBE(crc_err); 522227569Sphilip (*flagsp) &= ~EFX_ADDR_MISMATCH; 523227569Sphilip (*flagsp) |= EFX_DISCARD; 524227569Sphilip } 525227569Sphilip 526227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PAUSE_FRM_ERR) != 0) { 527227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_PAUSE_FRM_ERR); 528227569Sphilip EFSYS_PROBE(pause_frm_err); 529227569Sphilip (*flagsp) &= ~EFX_ADDR_MISMATCH; 530227569Sphilip (*flagsp) |= EFX_DISCARD; 531227569Sphilip } 532227569Sphilip 533227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BUF_OWNER_ID_ERR) != 0) { 534227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_BUF_OWNER_ID_ERR); 535227569Sphilip EFSYS_PROBE(owner_id_err); 536227569Sphilip (*flagsp) |= EFX_DISCARD; 537227569Sphilip } 538227569Sphilip 539227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR) != 0) { 540227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_IPV4_HDR_CHKSUM_ERR); 541227569Sphilip EFSYS_PROBE(ipv4_err); 542227569Sphilip (*flagsp) &= ~EFX_CKSUM_IPV4; 543227569Sphilip } 544227569Sphilip 545227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR) != 0) { 546227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_UDP_CHKSUM_ERR); 547227569Sphilip EFSYS_PROBE(udp_chk_err); 548227569Sphilip (*flagsp) &= ~EFX_CKSUM_TCPUDP; 549227569Sphilip } 550227569Sphilip 551227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_FRAG_ERR) != 0) { 552227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_IP_FRAG_ERR); 553227569Sphilip 554227569Sphilip /* 555227569Sphilip * If IP is fragmented FSF_AZ_RX_EV_IP_FRAG_ERR is set. This 556227569Sphilip * causes FSF_AZ_RX_EV_PKT_OK to be clear. This is not an error 557227569Sphilip * condition. 558227569Sphilip */ 559227569Sphilip (*flagsp) &= ~(EFX_PKT_TCP | EFX_PKT_UDP | EFX_CKSUM_TCPUDP); 560227569Sphilip } 561227569Sphilip 562227569Sphilip return (ignore); 563227569Sphilip} 564227569Sphilip 565227569Sphilipstatic __checkReturn boolean_t 566283514Sarybchikfalconsiena_ev_rx( 567227569Sphilip __in efx_evq_t *eep, 568227569Sphilip __in efx_qword_t *eqp, 569227569Sphilip __in const efx_ev_callbacks_t *eecp, 570227569Sphilip __in_opt void *arg) 571227569Sphilip{ 572227569Sphilip efx_nic_t *enp = eep->ee_enp; 573227569Sphilip uint32_t id; 574227569Sphilip uint32_t size; 575227569Sphilip uint32_t label; 576227569Sphilip boolean_t ok; 577293806Sarybchik#if EFSYS_OPT_RX_SCATTER 578227569Sphilip boolean_t sop; 579227569Sphilip boolean_t jumbo_cont; 580293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 581227569Sphilip uint32_t hdr_type; 582227569Sphilip boolean_t is_v6; 583227569Sphilip uint16_t flags; 584227569Sphilip boolean_t ignore; 585227569Sphilip boolean_t should_abort; 586227569Sphilip 587227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX); 588227569Sphilip 589227569Sphilip /* Basic packet information */ 590227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_DESC_PTR); 591227569Sphilip size = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT); 592227569Sphilip label = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_Q_LABEL); 593227569Sphilip ok = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_OK) != 0); 594227569Sphilip 595293806Sarybchik#if EFSYS_OPT_RX_SCATTER 596227569Sphilip sop = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) != 0); 597227569Sphilip jumbo_cont = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) != 0); 598293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 599227569Sphilip 600227569Sphilip hdr_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_HDR_TYPE); 601227569Sphilip 602227569Sphilip is_v6 = (enp->en_family != EFX_FAMILY_FALCON && 603227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_IPV6_PKT) != 0); 604227569Sphilip 605227569Sphilip /* 606227569Sphilip * If packet is marked as OK and packet type is TCP/IP or 607227569Sphilip * UDP/IP or other IP, then we can rely on the hardware checksums. 608227569Sphilip */ 609227569Sphilip switch (hdr_type) { 610227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_TCP: 611227569Sphilip flags = EFX_PKT_TCP | EFX_CKSUM_TCPUDP; 612227569Sphilip if (is_v6) { 613227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV6); 614227569Sphilip flags |= EFX_PKT_IPV6; 615227569Sphilip } else { 616227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV4); 617227569Sphilip flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 618227569Sphilip } 619227569Sphilip break; 620227569Sphilip 621227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_UDP: 622227569Sphilip flags = EFX_PKT_UDP | EFX_CKSUM_TCPUDP; 623227569Sphilip if (is_v6) { 624227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV6); 625227569Sphilip flags |= EFX_PKT_IPV6; 626227569Sphilip } else { 627227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV4); 628227569Sphilip flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 629227569Sphilip } 630227569Sphilip break; 631227569Sphilip 632227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_OTHER: 633227569Sphilip if (is_v6) { 634227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV6); 635227569Sphilip flags = EFX_PKT_IPV6; 636227569Sphilip } else { 637227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV4); 638227569Sphilip flags = EFX_PKT_IPV4 | EFX_CKSUM_IPV4; 639227569Sphilip } 640227569Sphilip break; 641227569Sphilip 642227569Sphilip case FSE_AZ_RX_EV_HDR_TYPE_OTHER: 643227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_NON_IP); 644227569Sphilip flags = 0; 645227569Sphilip break; 646227569Sphilip 647227569Sphilip default: 648227569Sphilip EFSYS_ASSERT(B_FALSE); 649227569Sphilip flags = 0; 650227569Sphilip break; 651227569Sphilip } 652227569Sphilip 653293806Sarybchik#if EFSYS_OPT_RX_SCATTER 654227569Sphilip /* Report scatter and header/lookahead split buffer flags */ 655227569Sphilip if (sop) 656227569Sphilip flags |= EFX_PKT_START; 657227569Sphilip if (jumbo_cont) 658227569Sphilip flags |= EFX_PKT_CONT; 659293806Sarybchik#endif /* EFSYS_OPT_RX_SCATTER */ 660227569Sphilip 661227569Sphilip /* Detect errors included in the FSF_AZ_RX_EV_PKT_OK indication */ 662227569Sphilip if (!ok) { 663283514Sarybchik ignore = falconsiena_ev_rx_not_ok(eep, eqp, label, id, &flags); 664227569Sphilip if (ignore) { 665227569Sphilip EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, 666227569Sphilip uint32_t, size, uint16_t, flags); 667227569Sphilip 668227569Sphilip return (B_FALSE); 669227569Sphilip } 670227569Sphilip } 671227569Sphilip 672227569Sphilip /* If we're not discarding the packet then it is ok */ 673227569Sphilip if (~flags & EFX_DISCARD) 674227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_OK); 675227569Sphilip 676227569Sphilip /* Detect multicast packets that didn't match the filter */ 677227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_PKT) != 0) { 678227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_PKT); 679227569Sphilip 680227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_HASH_MATCH) != 0) { 681227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_HASH_MATCH); 682227569Sphilip } else { 683227569Sphilip EFSYS_PROBE(mcast_mismatch); 684227569Sphilip flags |= EFX_ADDR_MISMATCH; 685227569Sphilip } 686227569Sphilip } else { 687227569Sphilip flags |= EFX_PKT_UNICAST; 688227569Sphilip } 689227569Sphilip 690227569Sphilip /* 691227569Sphilip * The packet parser in Siena can abort parsing packets under 692227569Sphilip * certain error conditions, setting the PKT_NOT_PARSED bit 693227569Sphilip * (which clears PKT_OK). If this is set, then don't trust 694227569Sphilip * the PKT_TYPE field. 695227569Sphilip */ 696227569Sphilip if (enp->en_family != EFX_FAMILY_FALCON && !ok) { 697227569Sphilip uint32_t parse_err; 698227569Sphilip 699227569Sphilip parse_err = EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_PKT_NOT_PARSED); 700227569Sphilip if (parse_err != 0) 701227569Sphilip flags |= EFX_CHECK_VLAN; 702227569Sphilip } 703227569Sphilip 704227569Sphilip if (~flags & EFX_CHECK_VLAN) { 705227569Sphilip uint32_t pkt_type; 706227569Sphilip 707227569Sphilip pkt_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_TYPE); 708227569Sphilip if (pkt_type >= FSE_AZ_RX_EV_PKT_TYPE_VLAN) 709227569Sphilip flags |= EFX_PKT_VLAN_TAGGED; 710227569Sphilip } 711227569Sphilip 712227569Sphilip EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, 713227569Sphilip uint32_t, size, uint16_t, flags); 714227569Sphilip 715227569Sphilip EFSYS_ASSERT(eecp->eec_rx != NULL); 716227569Sphilip should_abort = eecp->eec_rx(arg, label, id, size, flags); 717227569Sphilip 718227569Sphilip return (should_abort); 719227569Sphilip} 720227569Sphilip 721227569Sphilipstatic __checkReturn boolean_t 722283514Sarybchikfalconsiena_ev_tx( 723227569Sphilip __in efx_evq_t *eep, 724227569Sphilip __in efx_qword_t *eqp, 725227569Sphilip __in const efx_ev_callbacks_t *eecp, 726227569Sphilip __in_opt void *arg) 727227569Sphilip{ 728227569Sphilip uint32_t id; 729227569Sphilip uint32_t label; 730227569Sphilip boolean_t should_abort; 731227569Sphilip 732227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX); 733227569Sphilip 734227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0 && 735227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) == 0 && 736227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) == 0 && 737227569Sphilip EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) == 0) { 738227569Sphilip 739227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_DESC_PTR); 740227569Sphilip label = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_Q_LABEL); 741227569Sphilip 742227569Sphilip EFSYS_PROBE2(tx_complete, uint32_t, label, uint32_t, id); 743227569Sphilip 744227569Sphilip EFSYS_ASSERT(eecp->eec_tx != NULL); 745227569Sphilip should_abort = eecp->eec_tx(arg, label, id); 746227569Sphilip 747227569Sphilip return (should_abort); 748227569Sphilip } 749227569Sphilip 750227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0) 751227569Sphilip EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, 752227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), 753227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); 754227569Sphilip 755227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) != 0) 756227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_ERR); 757227569Sphilip 758227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) != 0) 759227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_TOO_BIG); 760227569Sphilip 761227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) != 0) 762227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_WQ_FF_FULL); 763227569Sphilip 764227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_TX_UNEXPECTED); 765227569Sphilip return (B_FALSE); 766227569Sphilip} 767227569Sphilip 768227569Sphilipstatic __checkReturn boolean_t 769283514Sarybchikfalconsiena_ev_global( 770227569Sphilip __in efx_evq_t *eep, 771227569Sphilip __in efx_qword_t *eqp, 772227569Sphilip __in const efx_ev_callbacks_t *eecp, 773227569Sphilip __in_opt void *arg) 774227569Sphilip{ 775227569Sphilip efx_nic_t *enp = eep->ee_enp; 776227569Sphilip efx_port_t *epp = &(enp->en_port); 777227569Sphilip boolean_t should_abort; 778227569Sphilip 779227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_GLOBAL); 780227569Sphilip should_abort = B_FALSE; 781227569Sphilip 782227569Sphilip /* Check for a link management event */ 783227569Sphilip if (EFX_QWORD_FIELD(*eqp, FSF_BZ_GLB_EV_XG_MNT_INTR) != 0) { 784227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_GLOBAL_MNT); 785227569Sphilip 786227569Sphilip EFSYS_PROBE(xg_mgt); 787227569Sphilip 788227569Sphilip epp->ep_mac_poll_needed = B_TRUE; 789227569Sphilip } 790227569Sphilip 791227569Sphilip return (should_abort); 792227569Sphilip} 793227569Sphilip 794227569Sphilipstatic __checkReturn boolean_t 795283514Sarybchikfalconsiena_ev_driver( 796227569Sphilip __in efx_evq_t *eep, 797227569Sphilip __in efx_qword_t *eqp, 798227569Sphilip __in const efx_ev_callbacks_t *eecp, 799227569Sphilip __in_opt void *arg) 800227569Sphilip{ 801227569Sphilip boolean_t should_abort; 802227569Sphilip 803227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER); 804227569Sphilip should_abort = B_FALSE; 805227569Sphilip 806227569Sphilip switch (EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBCODE)) { 807227569Sphilip case FSE_AZ_TX_DESCQ_FLS_DONE_EV: { 808264461Sgnn uint32_t txq_index; 809227569Sphilip 810227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DESCQ_FLS_DONE); 811227569Sphilip 812264461Sgnn txq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 813227569Sphilip 814264461Sgnn EFSYS_PROBE1(tx_descq_fls_done, uint32_t, txq_index); 815227569Sphilip 816227569Sphilip EFSYS_ASSERT(eecp->eec_txq_flush_done != NULL); 817264461Sgnn should_abort = eecp->eec_txq_flush_done(arg, txq_index); 818227569Sphilip 819227569Sphilip break; 820227569Sphilip } 821227569Sphilip case FSE_AZ_RX_DESCQ_FLS_DONE_EV: { 822264461Sgnn uint32_t rxq_index; 823227569Sphilip uint32_t failed; 824227569Sphilip 825264461Sgnn rxq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_DESCQ_ID); 826227569Sphilip failed = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL); 827227569Sphilip 828227569Sphilip EFSYS_ASSERT(eecp->eec_rxq_flush_done != NULL); 829227569Sphilip EFSYS_ASSERT(eecp->eec_rxq_flush_failed != NULL); 830227569Sphilip 831227569Sphilip if (failed) { 832227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_FAILED); 833227569Sphilip 834264461Sgnn EFSYS_PROBE1(rx_descq_fls_failed, uint32_t, rxq_index); 835227569Sphilip 836283514Sarybchik should_abort = eecp->eec_rxq_flush_failed(arg, 837283514Sarybchik rxq_index); 838227569Sphilip } else { 839227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_DONE); 840227569Sphilip 841264461Sgnn EFSYS_PROBE1(rx_descq_fls_done, uint32_t, rxq_index); 842227569Sphilip 843264461Sgnn should_abort = eecp->eec_rxq_flush_done(arg, rxq_index); 844227569Sphilip } 845227569Sphilip 846227569Sphilip break; 847227569Sphilip } 848227569Sphilip case FSE_AZ_EVQ_INIT_DONE_EV: 849227569Sphilip EFSYS_ASSERT(eecp->eec_initialized != NULL); 850227569Sphilip should_abort = eecp->eec_initialized(arg); 851227569Sphilip 852227569Sphilip break; 853227569Sphilip 854227569Sphilip case FSE_AZ_EVQ_NOT_EN_EV: 855227569Sphilip EFSYS_PROBE(evq_not_en); 856227569Sphilip break; 857227569Sphilip 858227569Sphilip case FSE_AZ_SRM_UPD_DONE_EV: { 859227569Sphilip uint32_t code; 860227569Sphilip 861227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_SRM_UPD_DONE); 862227569Sphilip 863227569Sphilip code = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 864227569Sphilip 865227569Sphilip EFSYS_ASSERT(eecp->eec_sram != NULL); 866227569Sphilip should_abort = eecp->eec_sram(arg, code); 867227569Sphilip 868227569Sphilip break; 869227569Sphilip } 870227569Sphilip case FSE_AZ_WAKE_UP_EV: { 871227569Sphilip uint32_t id; 872227569Sphilip 873227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 874227569Sphilip 875227569Sphilip EFSYS_ASSERT(eecp->eec_wake_up != NULL); 876227569Sphilip should_abort = eecp->eec_wake_up(arg, id); 877227569Sphilip 878227569Sphilip break; 879227569Sphilip } 880227569Sphilip case FSE_AZ_TX_PKT_NON_TCP_UDP: 881227569Sphilip EFSYS_PROBE(tx_pkt_non_tcp_udp); 882227569Sphilip break; 883227569Sphilip 884227569Sphilip case FSE_AZ_TIMER_EV: { 885227569Sphilip uint32_t id; 886227569Sphilip 887227569Sphilip id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); 888227569Sphilip 889227569Sphilip EFSYS_ASSERT(eecp->eec_timer != NULL); 890227569Sphilip should_abort = eecp->eec_timer(arg, id); 891227569Sphilip 892227569Sphilip break; 893227569Sphilip } 894227569Sphilip case FSE_AZ_RX_DSC_ERROR_EV: 895227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DSC_ERROR); 896227569Sphilip 897227569Sphilip EFSYS_PROBE(rx_dsc_error); 898227569Sphilip 899227569Sphilip EFSYS_ASSERT(eecp->eec_exception != NULL); 900227569Sphilip should_abort = eecp->eec_exception(arg, 901227569Sphilip EFX_EXCEPTION_RX_DSC_ERROR, 0); 902227569Sphilip 903227569Sphilip break; 904227569Sphilip 905227569Sphilip case FSE_AZ_TX_DSC_ERROR_EV: 906227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DSC_ERROR); 907227569Sphilip 908227569Sphilip EFSYS_PROBE(tx_dsc_error); 909227569Sphilip 910227569Sphilip EFSYS_ASSERT(eecp->eec_exception != NULL); 911227569Sphilip should_abort = eecp->eec_exception(arg, 912227569Sphilip EFX_EXCEPTION_TX_DSC_ERROR, 0); 913227569Sphilip 914227569Sphilip break; 915227569Sphilip 916227569Sphilip default: 917227569Sphilip break; 918227569Sphilip } 919227569Sphilip 920227569Sphilip return (should_abort); 921227569Sphilip} 922227569Sphilip 923227569Sphilipstatic __checkReturn boolean_t 924283514Sarybchikfalconsiena_ev_drv_gen( 925227569Sphilip __in efx_evq_t *eep, 926227569Sphilip __in efx_qword_t *eqp, 927227569Sphilip __in const efx_ev_callbacks_t *eecp, 928227569Sphilip __in_opt void *arg) 929227569Sphilip{ 930227569Sphilip uint32_t data; 931227569Sphilip boolean_t should_abort; 932227569Sphilip 933227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_DRV_GEN); 934227569Sphilip 935227569Sphilip data = EFX_QWORD_FIELD(*eqp, FSF_AZ_EV_DATA_DW0); 936227569Sphilip if (data >= ((uint32_t)1 << 16)) { 937227569Sphilip EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, 938227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), 939227569Sphilip uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); 940227569Sphilip return (B_TRUE); 941227569Sphilip } 942227569Sphilip 943227569Sphilip EFSYS_ASSERT(eecp->eec_software != NULL); 944227569Sphilip should_abort = eecp->eec_software(arg, (uint16_t)data); 945227569Sphilip 946227569Sphilip return (should_abort); 947227569Sphilip} 948227569Sphilip 949227569Sphilip#if EFSYS_OPT_MCDI 950227569Sphilip 951227569Sphilipstatic __checkReturn boolean_t 952283514Sarybchikfalconsiena_ev_mcdi( 953227569Sphilip __in efx_evq_t *eep, 954227569Sphilip __in efx_qword_t *eqp, 955227569Sphilip __in const efx_ev_callbacks_t *eecp, 956227569Sphilip __in_opt void *arg) 957227569Sphilip{ 958227569Sphilip efx_nic_t *enp = eep->ee_enp; 959227569Sphilip unsigned code; 960227569Sphilip boolean_t should_abort = B_FALSE; 961227569Sphilip 962227569Sphilip EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); 963227569Sphilip 964227569Sphilip if (enp->en_family != EFX_FAMILY_SIENA) 965227569Sphilip goto out; 966227569Sphilip 967279078Sarybchik EFSYS_ASSERT(eecp->eec_link_change != NULL); 968279078Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 969279078Sarybchik#if EFSYS_OPT_MON_STATS 970279078Sarybchik EFSYS_ASSERT(eecp->eec_monitor != NULL); 971279078Sarybchik#endif 972279078Sarybchik 973227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_MCDI_RESPONSE); 974227569Sphilip 975227569Sphilip code = EFX_QWORD_FIELD(*eqp, MCDI_EVENT_CODE); 976227569Sphilip switch (code) { 977227569Sphilip case MCDI_EVENT_CODE_BADSSERT: 978227569Sphilip efx_mcdi_ev_death(enp, EINTR); 979227569Sphilip break; 980227569Sphilip 981227569Sphilip case MCDI_EVENT_CODE_CMDDONE: 982227569Sphilip efx_mcdi_ev_cpl(enp, 983283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_SEQ), 984283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_DATALEN), 985283514Sarybchik MCDI_EV_FIELD(eqp, CMDDONE_ERRNO)); 986227569Sphilip break; 987227569Sphilip 988227569Sphilip case MCDI_EVENT_CODE_LINKCHANGE: { 989227569Sphilip efx_link_mode_t link_mode; 990227569Sphilip 991227569Sphilip siena_phy_link_ev(enp, eqp, &link_mode); 992227569Sphilip should_abort = eecp->eec_link_change(arg, link_mode); 993227569Sphilip break; 994227569Sphilip } 995227569Sphilip case MCDI_EVENT_CODE_SENSOREVT: { 996227569Sphilip#if EFSYS_OPT_MON_STATS 997227569Sphilip efx_mon_stat_t id; 998227569Sphilip efx_mon_stat_value_t value; 999291436Sarybchik efx_rc_t rc; 1000227569Sphilip 1001283514Sarybchik if ((rc = mcdi_mon_ev(enp, eqp, &id, &value)) == 0) 1002227569Sphilip should_abort = eecp->eec_monitor(arg, id, value); 1003227569Sphilip else if (rc == ENOTSUP) { 1004227569Sphilip should_abort = eecp->eec_exception(arg, 1005227569Sphilip EFX_EXCEPTION_UNKNOWN_SENSOREVT, 1006227569Sphilip MCDI_EV_FIELD(eqp, DATA)); 1007227569Sphilip } else 1008227569Sphilip EFSYS_ASSERT(rc == ENODEV); /* Wrong port */ 1009227569Sphilip#else 1010227569Sphilip should_abort = B_FALSE; 1011227569Sphilip#endif 1012227569Sphilip break; 1013227569Sphilip } 1014227569Sphilip case MCDI_EVENT_CODE_SCHEDERR: 1015227569Sphilip /* Informational only */ 1016227569Sphilip break; 1017227569Sphilip 1018227569Sphilip case MCDI_EVENT_CODE_REBOOT: 1019227569Sphilip efx_mcdi_ev_death(enp, EIO); 1020227569Sphilip break; 1021227569Sphilip 1022227569Sphilip case MCDI_EVENT_CODE_MAC_STATS_DMA: 1023227569Sphilip#if EFSYS_OPT_MAC_STATS 1024227569Sphilip if (eecp->eec_mac_stats != NULL) { 1025227569Sphilip eecp->eec_mac_stats(arg, 1026227569Sphilip MCDI_EV_FIELD(eqp, MAC_STATS_DMA_GENERATION)); 1027227569Sphilip } 1028227569Sphilip#endif 1029227569Sphilip break; 1030227569Sphilip 1031227569Sphilip case MCDI_EVENT_CODE_FWALERT: { 1032227569Sphilip uint32_t reason = MCDI_EV_FIELD(eqp, FWALERT_REASON); 1033227569Sphilip 1034227569Sphilip if (reason == MCDI_EVENT_FWALERT_REASON_SRAM_ACCESS) 1035227569Sphilip should_abort = eecp->eec_exception(arg, 1036227569Sphilip EFX_EXCEPTION_FWALERT_SRAM, 1037227569Sphilip MCDI_EV_FIELD(eqp, FWALERT_DATA)); 1038227569Sphilip else 1039227569Sphilip should_abort = eecp->eec_exception(arg, 1040227569Sphilip EFX_EXCEPTION_UNKNOWN_FWALERT, 1041227569Sphilip MCDI_EV_FIELD(eqp, DATA)); 1042227569Sphilip break; 1043227569Sphilip } 1044227569Sphilip 1045227569Sphilip default: 1046227569Sphilip EFSYS_PROBE1(mc_pcol_error, int, code); 1047227569Sphilip break; 1048227569Sphilip } 1049227569Sphilip 1050227569Sphilipout: 1051227569Sphilip return (should_abort); 1052227569Sphilip} 1053227569Sphilip 1054279141Sarybchik#endif /* EFSYS_OPT_MCDI */ 1055227569Sphilip 1056291436Sarybchikstatic __checkReturn efx_rc_t 1057283514Sarybchikfalconsiena_ev_qprime( 1058227569Sphilip __in efx_evq_t *eep, 1059227569Sphilip __in unsigned int count) 1060227569Sphilip{ 1061227569Sphilip efx_nic_t *enp = eep->ee_enp; 1062227569Sphilip uint32_t rptr; 1063227569Sphilip efx_dword_t dword; 1064227569Sphilip 1065227569Sphilip rptr = count & eep->ee_mask; 1066227569Sphilip 1067227569Sphilip EFX_POPULATE_DWORD_1(dword, FRF_AZ_EVQ_RPTR, rptr); 1068227569Sphilip 1069227569Sphilip EFX_BAR_TBL_WRITED(enp, FR_AZ_EVQ_RPTR_REG, eep->ee_index, 1070227569Sphilip &dword, B_FALSE); 1071227569Sphilip 1072227569Sphilip return (0); 1073227569Sphilip} 1074227569Sphilip 1075227569Sphilip#define EFX_EV_BATCH 8 1076227569Sphilip 1077283514Sarybchikstatic void 1078283514Sarybchikfalconsiena_ev_qpoll( 1079227569Sphilip __in efx_evq_t *eep, 1080227569Sphilip __inout unsigned int *countp, 1081227569Sphilip __in const efx_ev_callbacks_t *eecp, 1082227569Sphilip __in_opt void *arg) 1083227569Sphilip{ 1084227569Sphilip efx_qword_t ev[EFX_EV_BATCH]; 1085227569Sphilip unsigned int batch; 1086227569Sphilip unsigned int total; 1087227569Sphilip unsigned int count; 1088227569Sphilip unsigned int index; 1089227569Sphilip size_t offset; 1090227569Sphilip 1091227569Sphilip EFSYS_ASSERT(countp != NULL); 1092227569Sphilip EFSYS_ASSERT(eecp != NULL); 1093227569Sphilip 1094227569Sphilip count = *countp; 1095227569Sphilip do { 1096227569Sphilip /* Read up until the end of the batch period */ 1097227569Sphilip batch = EFX_EV_BATCH - (count & (EFX_EV_BATCH - 1)); 1098227569Sphilip offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 1099227569Sphilip for (total = 0; total < batch; ++total) { 1100227569Sphilip EFSYS_MEM_READQ(eep->ee_esmp, offset, &(ev[total])); 1101227569Sphilip 1102227569Sphilip if (!EFX_EV_PRESENT(ev[total])) 1103227569Sphilip break; 1104227569Sphilip 1105227569Sphilip EFSYS_PROBE3(event, unsigned int, eep->ee_index, 1106227569Sphilip uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_1), 1107227569Sphilip uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_0)); 1108227569Sphilip 1109227569Sphilip offset += sizeof (efx_qword_t); 1110227569Sphilip } 1111227569Sphilip 1112227569Sphilip#if EFSYS_OPT_EV_PREFETCH && (EFSYS_OPT_EV_PREFETCH_PERIOD > 1) 1113227569Sphilip /* 1114227569Sphilip * Prefetch the next batch when we get within PREFETCH_PERIOD 1115227569Sphilip * of a completed batch. If the batch is smaller, then prefetch 1116227569Sphilip * immediately. 1117227569Sphilip */ 1118227569Sphilip if (total == batch && total < EFSYS_OPT_EV_PREFETCH_PERIOD) 1119227569Sphilip EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 1120227569Sphilip#endif /* EFSYS_OPT_EV_PREFETCH */ 1121227569Sphilip 1122227569Sphilip /* Process the batch of events */ 1123227569Sphilip for (index = 0; index < total; ++index) { 1124227569Sphilip boolean_t should_abort; 1125227569Sphilip uint32_t code; 1126227569Sphilip 1127227569Sphilip#if EFSYS_OPT_EV_PREFETCH 1128227569Sphilip /* Prefetch if we've now reached the batch period */ 1129227569Sphilip if (total == batch && 1130227569Sphilip index + EFSYS_OPT_EV_PREFETCH_PERIOD == total) { 1131227569Sphilip offset = (count + batch) & eep->ee_mask; 1132227569Sphilip offset *= sizeof (efx_qword_t); 1133227569Sphilip 1134227569Sphilip EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); 1135227569Sphilip } 1136227569Sphilip#endif /* EFSYS_OPT_EV_PREFETCH */ 1137227569Sphilip 1138227569Sphilip EFX_EV_QSTAT_INCR(eep, EV_ALL); 1139227569Sphilip 1140227569Sphilip code = EFX_QWORD_FIELD(ev[index], FSF_AZ_EV_CODE); 1141283514Sarybchik switch (code) { 1142283514Sarybchik case FSE_AZ_EV_CODE_RX_EV: 1143283514Sarybchik should_abort = eep->ee_rx(eep, 1144283514Sarybchik &(ev[index]), eecp, arg); 1145283514Sarybchik break; 1146283514Sarybchik case FSE_AZ_EV_CODE_TX_EV: 1147283514Sarybchik should_abort = eep->ee_tx(eep, 1148283514Sarybchik &(ev[index]), eecp, arg); 1149283514Sarybchik break; 1150283514Sarybchik case FSE_AZ_EV_CODE_DRIVER_EV: 1151283514Sarybchik should_abort = eep->ee_driver(eep, 1152283514Sarybchik &(ev[index]), eecp, arg); 1153283514Sarybchik break; 1154283514Sarybchik case FSE_AZ_EV_CODE_DRV_GEN_EV: 1155283514Sarybchik should_abort = eep->ee_drv_gen(eep, 1156283514Sarybchik &(ev[index]), eecp, arg); 1157283514Sarybchik break; 1158283514Sarybchik#if EFSYS_OPT_MCDI 1159283514Sarybchik case FSE_AZ_EV_CODE_MCDI_EVRESPONSE: 1160283514Sarybchik should_abort = eep->ee_mcdi(eep, 1161283514Sarybchik &(ev[index]), eecp, arg); 1162283514Sarybchik break; 1163283514Sarybchik#endif 1164283514Sarybchik case FSE_AZ_EV_CODE_GLOBAL_EV: 1165283514Sarybchik if (eep->ee_global) { 1166283514Sarybchik should_abort = eep->ee_global(eep, 1167283514Sarybchik &(ev[index]), eecp, arg); 1168283514Sarybchik break; 1169283514Sarybchik } 1170283514Sarybchik /* else fallthrough */ 1171283514Sarybchik default: 1172283514Sarybchik EFSYS_PROBE3(bad_event, 1173283514Sarybchik unsigned int, eep->ee_index, 1174283514Sarybchik uint32_t, 1175283514Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_1), 1176283514Sarybchik uint32_t, 1177283514Sarybchik EFX_QWORD_FIELD(ev[index], EFX_DWORD_0)); 1178283514Sarybchik 1179283514Sarybchik EFSYS_ASSERT(eecp->eec_exception != NULL); 1180283514Sarybchik (void) eecp->eec_exception(arg, 1181283514Sarybchik EFX_EXCEPTION_EV_ERROR, code); 1182283514Sarybchik should_abort = B_TRUE; 1183283514Sarybchik } 1184227569Sphilip if (should_abort) { 1185227569Sphilip /* Ignore subsequent events */ 1186227569Sphilip total = index + 1; 1187227569Sphilip break; 1188227569Sphilip } 1189227569Sphilip } 1190227569Sphilip 1191227569Sphilip /* 1192227569Sphilip * Now that the hardware has most likely moved onto dma'ing 1193227569Sphilip * into the next cache line, clear the processed events. Take 1194227569Sphilip * care to only clear out events that we've processed 1195227569Sphilip */ 1196227569Sphilip EFX_SET_QWORD(ev[0]); 1197227569Sphilip offset = (count & eep->ee_mask) * sizeof (efx_qword_t); 1198227569Sphilip for (index = 0; index < total; ++index) { 1199227569Sphilip EFSYS_MEM_WRITEQ(eep->ee_esmp, offset, &(ev[0])); 1200227569Sphilip offset += sizeof (efx_qword_t); 1201227569Sphilip } 1202227569Sphilip 1203227569Sphilip count += total; 1204227569Sphilip 1205227569Sphilip } while (total == batch); 1206227569Sphilip 1207227569Sphilip *countp = count; 1208227569Sphilip} 1209227569Sphilip 1210283514Sarybchikstatic void 1211283514Sarybchikfalconsiena_ev_qpost( 1212227569Sphilip __in efx_evq_t *eep, 1213227569Sphilip __in uint16_t data) 1214227569Sphilip{ 1215227569Sphilip efx_nic_t *enp = eep->ee_enp; 1216227569Sphilip efx_qword_t ev; 1217227569Sphilip efx_oword_t oword; 1218227569Sphilip 1219227569Sphilip EFX_POPULATE_QWORD_2(ev, FSF_AZ_EV_CODE, FSE_AZ_EV_CODE_DRV_GEN_EV, 1220227569Sphilip FSF_AZ_EV_DATA_DW0, (uint32_t)data); 1221227569Sphilip 1222227569Sphilip EFX_POPULATE_OWORD_3(oword, FRF_AZ_DRV_EV_QID, eep->ee_index, 1223227569Sphilip EFX_DWORD_0, EFX_QWORD_FIELD(ev, EFX_DWORD_0), 1224227569Sphilip EFX_DWORD_1, EFX_QWORD_FIELD(ev, EFX_DWORD_1)); 1225227569Sphilip 1226227569Sphilip EFX_BAR_WRITEO(enp, FR_AZ_DRV_EV_REG, &oword); 1227227569Sphilip} 1228227569Sphilip 1229291436Sarybchikstatic __checkReturn efx_rc_t 1230283514Sarybchikfalconsiena_ev_qmoderate( 1231227569Sphilip __in efx_evq_t *eep, 1232227569Sphilip __in unsigned int us) 1233227569Sphilip{ 1234227569Sphilip efx_nic_t *enp = eep->ee_enp; 1235279048Sarybchik efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1236227569Sphilip unsigned int locked; 1237227569Sphilip efx_dword_t dword; 1238291436Sarybchik efx_rc_t rc; 1239227569Sphilip 1240279182Sarybchik if (us > encp->enc_evq_timer_max_us) { 1241227569Sphilip rc = EINVAL; 1242227569Sphilip goto fail1; 1243227569Sphilip } 1244227569Sphilip 1245227569Sphilip /* If the value is zero then disable the timer */ 1246227569Sphilip if (us == 0) { 1247227569Sphilip if (enp->en_family == EFX_FAMILY_FALCON) 1248227569Sphilip EFX_POPULATE_DWORD_2(dword, 1249227569Sphilip FRF_AB_TC_TIMER_MODE, FFE_AB_TIMER_MODE_DIS, 1250227569Sphilip FRF_AB_TC_TIMER_VAL, 0); 1251227569Sphilip else 1252227569Sphilip EFX_POPULATE_DWORD_2(dword, 1253227569Sphilip FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS, 1254227569Sphilip FRF_CZ_TC_TIMER_VAL, 0); 1255227569Sphilip } else { 1256227569Sphilip uint32_t timer_val; 1257227569Sphilip 1258227569Sphilip /* Calculate the timer value in quanta */ 1259279182Sarybchik timer_val = us * 1000 / encp->enc_evq_timer_quantum_ns; 1260227569Sphilip 1261279048Sarybchik /* Moderation value is base 0 so we need to deduct 1 */ 1262279048Sarybchik if (timer_val > 0) 1263279048Sarybchik timer_val--; 1264227569Sphilip 1265227569Sphilip if (enp->en_family == EFX_FAMILY_FALCON) 1266227569Sphilip EFX_POPULATE_DWORD_2(dword, 1267227569Sphilip FRF_AB_TC_TIMER_MODE, FFE_AB_TIMER_MODE_INT_HLDOFF, 1268279048Sarybchik FRF_AB_TIMER_VAL, timer_val); 1269227569Sphilip else 1270227569Sphilip EFX_POPULATE_DWORD_2(dword, 1271227569Sphilip FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF, 1272279048Sarybchik FRF_CZ_TC_TIMER_VAL, timer_val); 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 1282227569Sphilipfail1: 1283291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1284227569Sphilip 1285227569Sphilip return (rc); 1286227569Sphilip} 1287227569Sphilip 1288291436Sarybchikstatic __checkReturn efx_rc_t 1289283514Sarybchikfalconsiena_ev_qcreate( 1290227569Sphilip __in efx_nic_t *enp, 1291227569Sphilip __in unsigned int index, 1292227569Sphilip __in efsys_mem_t *esmp, 1293227569Sphilip __in size_t n, 1294227569Sphilip __in uint32_t id, 1295283514Sarybchik __in efx_evq_t *eep) 1296227569Sphilip{ 1297227569Sphilip efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 1298227569Sphilip uint32_t size; 1299227569Sphilip efx_oword_t oword; 1300291436Sarybchik efx_rc_t rc; 1301227569Sphilip 1302283514Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MAXNEVS)); 1303283514Sarybchik EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MINNEVS)); 1304227569Sphilip 1305283514Sarybchik if (!ISP2(n) || (n < EFX_EVQ_MINNEVS) || (n > EFX_EVQ_MAXNEVS)) { 1306227569Sphilip rc = EINVAL; 1307227569Sphilip goto fail1; 1308227569Sphilip } 1309227569Sphilip if (index >= encp->enc_evq_limit) { 1310227569Sphilip rc = EINVAL; 1311227569Sphilip goto fail2; 1312227569Sphilip } 1313227569Sphilip#if EFSYS_OPT_RX_SCALE 1314227569Sphilip if (enp->en_intr.ei_type == EFX_INTR_LINE && 1315227569Sphilip index >= EFX_MAXRSS_LEGACY) { 1316227569Sphilip rc = EINVAL; 1317227569Sphilip goto fail3; 1318227569Sphilip } 1319227569Sphilip#endif 1320227569Sphilip for (size = 0; (1 << size) <= (EFX_EVQ_MAXNEVS / EFX_EVQ_MINNEVS); 1321227569Sphilip size++) 1322227569Sphilip if ((1 << size) == (int)(n / EFX_EVQ_MINNEVS)) 1323227569Sphilip break; 1324227569Sphilip if (id + (1 << size) >= encp->enc_buftbl_limit) { 1325227569Sphilip rc = EINVAL; 1326227569Sphilip goto fail4; 1327227569Sphilip } 1328227569Sphilip 1329227569Sphilip /* Set up the handler table */ 1330283514Sarybchik eep->ee_rx = falconsiena_ev_rx; 1331283514Sarybchik eep->ee_tx = falconsiena_ev_tx; 1332283514Sarybchik eep->ee_driver = falconsiena_ev_driver; 1333283514Sarybchik eep->ee_global = falconsiena_ev_global; 1334283514Sarybchik eep->ee_drv_gen = falconsiena_ev_drv_gen; 1335227569Sphilip#if EFSYS_OPT_MCDI 1336283514Sarybchik eep->ee_mcdi = falconsiena_ev_mcdi; 1337279141Sarybchik#endif /* EFSYS_OPT_MCDI */ 1338227569Sphilip 1339227569Sphilip /* Set up the new event queue */ 1340227569Sphilip if (enp->en_family != EFX_FAMILY_FALCON) { 1341227569Sphilip EFX_POPULATE_OWORD_1(oword, FRF_CZ_TIMER_Q_EN, 1); 1342283514Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, index, &oword, B_TRUE); 1343227569Sphilip } 1344227569Sphilip 1345227569Sphilip EFX_POPULATE_OWORD_3(oword, FRF_AZ_EVQ_EN, 1, FRF_AZ_EVQ_SIZE, size, 1346227569Sphilip FRF_AZ_EVQ_BUF_BASE_ID, id); 1347227569Sphilip 1348283514Sarybchik EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, index, &oword, B_TRUE); 1349227569Sphilip 1350227569Sphilip return (0); 1351227569Sphilip 1352227569Sphilipfail4: 1353227569Sphilip EFSYS_PROBE(fail4); 1354227569Sphilip#if EFSYS_OPT_RX_SCALE 1355227569Sphilipfail3: 1356227569Sphilip EFSYS_PROBE(fail3); 1357227569Sphilip#endif 1358227569Sphilipfail2: 1359227569Sphilip EFSYS_PROBE(fail2); 1360227569Sphilipfail1: 1361291436Sarybchik EFSYS_PROBE1(fail1, efx_rc_t, rc); 1362227569Sphilip 1363227569Sphilip return (rc); 1364227569Sphilip} 1365227569Sphilip 1366283514Sarybchik#endif /* EFSYS_OPT_FALCON || EFSYS_OPT_SIENA */ 1367283514Sarybchik 1368277886Sarybchik#if EFSYS_OPT_QSTATS 1369227569Sphilip#if EFSYS_OPT_NAMES 1370283514Sarybchik/* START MKCONFIG GENERATED EfxEventQueueStatNamesBlock b693ddf85aee1bfd */ 1371283514Sarybchikstatic const char *__efx_ev_qstat_name[] = { 1372227569Sphilip "all", 1373227569Sphilip "rx", 1374227569Sphilip "rx_ok", 1375227569Sphilip "rx_frm_trunc", 1376227569Sphilip "rx_tobe_disc", 1377227569Sphilip "rx_pause_frm_err", 1378227569Sphilip "rx_buf_owner_id_err", 1379227569Sphilip "rx_ipv4_hdr_chksum_err", 1380227569Sphilip "rx_tcp_udp_chksum_err", 1381227569Sphilip "rx_eth_crc_err", 1382227569Sphilip "rx_ip_frag_err", 1383227569Sphilip "rx_mcast_pkt", 1384227569Sphilip "rx_mcast_hash_match", 1385227569Sphilip "rx_tcp_ipv4", 1386227569Sphilip "rx_tcp_ipv6", 1387227569Sphilip "rx_udp_ipv4", 1388227569Sphilip "rx_udp_ipv6", 1389227569Sphilip "rx_other_ipv4", 1390227569Sphilip "rx_other_ipv6", 1391227569Sphilip "rx_non_ip", 1392283514Sarybchik "rx_batch", 1393227569Sphilip "tx", 1394227569Sphilip "tx_wq_ff_full", 1395227569Sphilip "tx_pkt_err", 1396227569Sphilip "tx_pkt_too_big", 1397227569Sphilip "tx_unexpected", 1398227569Sphilip "global", 1399227569Sphilip "global_mnt", 1400227569Sphilip "driver", 1401227569Sphilip "driver_srm_upd_done", 1402227569Sphilip "driver_tx_descq_fls_done", 1403227569Sphilip "driver_rx_descq_fls_done", 1404227569Sphilip "driver_rx_descq_fls_failed", 1405227569Sphilip "driver_rx_dsc_error", 1406227569Sphilip "driver_tx_dsc_error", 1407227569Sphilip "drv_gen", 1408227569Sphilip "mcdi_response", 1409227569Sphilip}; 1410227569Sphilip/* END MKCONFIG GENERATED EfxEventQueueStatNamesBlock */ 1411227569Sphilip 1412283514Sarybchik const char * 1413227569Sphilipefx_ev_qstat_name( 1414227569Sphilip __in efx_nic_t *enp, 1415227569Sphilip __in unsigned int id) 1416227569Sphilip{ 1417227569Sphilip EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 1418227569Sphilip EFSYS_ASSERT3U(id, <, EV_NQSTATS); 1419227569Sphilip 1420227569Sphilip return (__efx_ev_qstat_name[id]); 1421227569Sphilip} 1422227569Sphilip#endif /* EFSYS_OPT_NAMES */ 1423277886Sarybchik#endif /* EFSYS_OPT_QSTATS */ 1424227569Sphilip 1425283514Sarybchik#if EFSYS_OPT_FALCON || EFSYS_OPT_SIENA 1426283514Sarybchik 1427227569Sphilip#if EFSYS_OPT_QSTATS 1428283514Sarybchikstatic void 1429283514Sarybchikfalconsiena_ev_qstats_update( 1430227569Sphilip __in efx_evq_t *eep, 1431227569Sphilip __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) 1432227569Sphilip{ 1433227569Sphilip unsigned int id; 1434227569Sphilip 1435227569Sphilip for (id = 0; id < EV_NQSTATS; id++) { 1436227569Sphilip efsys_stat_t *essp = &stat[id]; 1437227569Sphilip 1438227569Sphilip EFSYS_STAT_INCR(essp, eep->ee_stat[id]); 1439227569Sphilip eep->ee_stat[id] = 0; 1440227569Sphilip } 1441227569Sphilip} 1442227569Sphilip#endif /* EFSYS_OPT_QSTATS */ 1443227569Sphilip 1444283514Sarybchikstatic void 1445283514Sarybchikfalconsiena_ev_qdestroy( 1446227569Sphilip __in efx_evq_t *eep) 1447227569Sphilip{ 1448227569Sphilip efx_nic_t *enp = eep->ee_enp; 1449227569Sphilip efx_oword_t oword; 1450227569Sphilip 1451227569Sphilip /* Purge event queue */ 1452227569Sphilip EFX_ZERO_OWORD(oword); 1453227569Sphilip 1454227569Sphilip EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, 1455283514Sarybchik eep->ee_index, &oword, B_TRUE); 1456227569Sphilip 1457227569Sphilip if (enp->en_family != EFX_FAMILY_FALCON) { 1458227569Sphilip EFX_ZERO_OWORD(oword); 1459227569Sphilip EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, 1460283514Sarybchik eep->ee_index, &oword, B_TRUE); 1461227569Sphilip } 1462227569Sphilip} 1463227569Sphilip 1464283514Sarybchikstatic void 1465283514Sarybchikfalconsiena_ev_fini( 1466227569Sphilip __in efx_nic_t *enp) 1467227569Sphilip{ 1468283514Sarybchik _NOTE(ARGUNUSED(enp)) 1469283514Sarybchik} 1470227569Sphilip 1471283514Sarybchik#endif /* EFSYS_OPT_FALCON || EFSYS_OPT_SIENA */ 1472