X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fefx_ev.c;h=65094c1d29f6d2059a16ead62f7d3f55222722d4;hb=e7cd430c864f;hp=942dac6b78e457571ee08243252fd9ee386fbe45;hpb=6f619653b9b15ac2514fe8d935018dd0b07c75f0;p=dpdk.git

diff --git a/drivers/net/sfc/base/efx_ev.c b/drivers/net/sfc/base/efx_ev.c
index 942dac6b78..65094c1d29 100644
--- a/drivers/net/sfc/base/efx_ev.c
+++ b/drivers/net/sfc/base/efx_ev.c
@@ -39,6 +39,73 @@
 
 
 
+#if EFSYS_OPT_SIENA
+
+static	__checkReturn	efx_rc_t
+siena_ev_init(
+	__in		efx_nic_t *enp);
+
+static			void
+siena_ev_fini(
+	__in		efx_nic_t *enp);
+
+static	__checkReturn	efx_rc_t
+siena_ev_qcreate(
+	__in		efx_nic_t *enp,
+	__in		unsigned int index,
+	__in		efsys_mem_t *esmp,
+	__in		size_t n,
+	__in		uint32_t id,
+	__in		uint32_t us,
+	__in		uint32_t flags,
+	__in		efx_evq_t *eep);
+
+static			void
+siena_ev_qdestroy(
+	__in		efx_evq_t *eep);
+
+static	__checkReturn	efx_rc_t
+siena_ev_qprime(
+	__in		efx_evq_t *eep,
+	__in		unsigned int count);
+
+static			void
+siena_ev_qpost(
+	__in	efx_evq_t *eep,
+	__in	uint16_t data);
+
+static	__checkReturn	efx_rc_t
+siena_ev_qmoderate(
+	__in		efx_evq_t *eep,
+	__in		unsigned int us);
+
+#endif /* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_SIENA
+static const efx_ev_ops_t	__efx_ev_siena_ops = {
+	siena_ev_init,				/* eevo_init */
+	siena_ev_fini,				/* eevo_fini */
+	siena_ev_qcreate,			/* eevo_qcreate */
+	siena_ev_qdestroy,			/* eevo_qdestroy */
+	siena_ev_qprime,			/* eevo_qprime */
+	siena_ev_qpost,				/* eevo_qpost */
+	siena_ev_qmoderate,			/* eevo_qmoderate */
+};
+#endif /* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+static const efx_ev_ops_t	__efx_ev_ef10_ops = {
+	ef10_ev_init,				/* eevo_init */
+	ef10_ev_fini,				/* eevo_fini */
+	ef10_ev_qcreate,			/* eevo_qcreate */
+	ef10_ev_qdestroy,			/* eevo_qdestroy */
+	ef10_ev_qprime,				/* eevo_qprime */
+	ef10_ev_qpost,				/* eevo_qpost */
+	ef10_ev_qmoderate,			/* eevo_qmoderate */
+};
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
+
+
 	__checkReturn	efx_rc_t
 efx_ev_init(
 	__in		efx_nic_t *enp)
@@ -55,6 +122,17 @@ efx_ev_init(
 	}
 
 	switch (enp->en_family) {
+#if EFSYS_OPT_SIENA
+	case EFX_FAMILY_SIENA:
+		eevop = &__efx_ev_siena_ops;
+		break;
+#endif /* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_HUNTINGTON
+	case EFX_FAMILY_HUNTINGTON:
+		eevop = &__efx_ev_ef10_ops;
+		break;
+#endif /* EFSYS_OPT_HUNTINGTON */
 
 	default:
 		EFSYS_ASSERT(0);
@@ -440,3 +518,726 @@ fail1:
 	return (rc);
 }
 
+#if EFSYS_OPT_SIENA
+
+static	__checkReturn	efx_rc_t
+siena_ev_init(
+	__in		efx_nic_t *enp)
+{
+	efx_oword_t oword;
+
+	/*
+	 * Program the event queue for receive and transmit queue
+	 * flush events.
+	 */
+	EFX_BAR_READO(enp, FR_AZ_DP_CTRL_REG, &oword);
+	EFX_SET_OWORD_FIELD(oword, FRF_AZ_FLS_EVQ_ID, 0);
+	EFX_BAR_WRITEO(enp, FR_AZ_DP_CTRL_REG, &oword);
+
+	return (0);
+
+}
+
+static  __checkReturn   boolean_t
+siena_ev_rx_not_ok(
+	__in		efx_evq_t *eep,
+	__in		efx_qword_t *eqp,
+	__in		uint32_t label,
+	__in		uint32_t id,
+	__inout		uint16_t *flagsp)
+{
+	boolean_t ignore = B_FALSE;
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TOBE_DISC) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_TOBE_DISC);
+		EFSYS_PROBE(tobe_disc);
+		/*
+		 * Assume this is a unicast address mismatch, unless below
+		 * we find either FSF_AZ_RX_EV_ETH_CRC_ERR or
+		 * EV_RX_PAUSE_FRM_ERR is set.
+		 */
+		(*flagsp) |= EFX_ADDR_MISMATCH;
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_FRM_TRUNC) != 0) {
+		EFSYS_PROBE2(frm_trunc, uint32_t, label, uint32_t, id);
+		EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC);
+		(*flagsp) |= EFX_DISCARD;
+
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_ETH_CRC_ERR) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_ETH_CRC_ERR);
+		EFSYS_PROBE(crc_err);
+		(*flagsp) &= ~EFX_ADDR_MISMATCH;
+		(*flagsp) |= EFX_DISCARD;
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PAUSE_FRM_ERR) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_PAUSE_FRM_ERR);
+		EFSYS_PROBE(pause_frm_err);
+		(*flagsp) &= ~EFX_ADDR_MISMATCH;
+		(*flagsp) |= EFX_DISCARD;
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BUF_OWNER_ID_ERR) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_BUF_OWNER_ID_ERR);
+		EFSYS_PROBE(owner_id_err);
+		(*flagsp) |= EFX_DISCARD;
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_IPV4_HDR_CHKSUM_ERR);
+		EFSYS_PROBE(ipv4_err);
+		(*flagsp) &= ~EFX_CKSUM_IPV4;
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_UDP_CHKSUM_ERR);
+		EFSYS_PROBE(udp_chk_err);
+		(*flagsp) &= ~EFX_CKSUM_TCPUDP;
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_FRAG_ERR) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_IP_FRAG_ERR);
+
+		/*
+		 * If IP is fragmented FSF_AZ_RX_EV_IP_FRAG_ERR is set. This
+		 * causes FSF_AZ_RX_EV_PKT_OK to be clear. This is not an error
+		 * condition.
+		 */
+		(*flagsp) &= ~(EFX_PKT_TCP | EFX_PKT_UDP | EFX_CKSUM_TCPUDP);
+	}
+
+	return (ignore);
+}
+
+static	__checkReturn	boolean_t
+siena_ev_rx(
+	__in		efx_evq_t *eep,
+	__in		efx_qword_t *eqp,
+	__in		const efx_ev_callbacks_t *eecp,
+	__in_opt	void *arg)
+{
+	uint32_t id;
+	uint32_t size;
+	uint32_t label;
+	boolean_t ok;
+	uint32_t hdr_type;
+	boolean_t is_v6;
+	uint16_t flags;
+	boolean_t ignore;
+	boolean_t should_abort;
+
+	EFX_EV_QSTAT_INCR(eep, EV_RX);
+
+	/* Basic packet information */
+	id = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_DESC_PTR);
+	size = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT);
+	label = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_Q_LABEL);
+	ok = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_OK) != 0);
+
+	hdr_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_HDR_TYPE);
+
+	is_v6 = (EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_IPV6_PKT) != 0);
+
+	/*
+	 * If packet is marked as OK and packet type is TCP/IP or
+	 * UDP/IP or other IP, then we can rely on the hardware checksums.
+	 */
+	switch (hdr_type) {
+	case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_TCP:
+		flags = EFX_PKT_TCP | EFX_CKSUM_TCPUDP;
+		if (is_v6) {
+			EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV6);
+			flags |= EFX_PKT_IPV6;
+		} else {
+			EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV4);
+			flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4;
+		}
+		break;
+
+	case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_UDP:
+		flags = EFX_PKT_UDP | EFX_CKSUM_TCPUDP;
+		if (is_v6) {
+			EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV6);
+			flags |= EFX_PKT_IPV6;
+		} else {
+			EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV4);
+			flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4;
+		}
+		break;
+
+	case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_OTHER:
+		if (is_v6) {
+			EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV6);
+			flags = EFX_PKT_IPV6;
+		} else {
+			EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV4);
+			flags = EFX_PKT_IPV4 | EFX_CKSUM_IPV4;
+		}
+		break;
+
+	case FSE_AZ_RX_EV_HDR_TYPE_OTHER:
+		EFX_EV_QSTAT_INCR(eep, EV_RX_NON_IP);
+		flags = 0;
+		break;
+
+	default:
+		EFSYS_ASSERT(B_FALSE);
+		flags = 0;
+		break;
+	}
+
+	/* Detect errors included in the FSF_AZ_RX_EV_PKT_OK indication */
+	if (!ok) {
+		ignore = siena_ev_rx_not_ok(eep, eqp, label, id, &flags);
+		if (ignore) {
+			EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id,
+			    uint32_t, size, uint16_t, flags);
+
+			return (B_FALSE);
+		}
+	}
+
+	/* If we're not discarding the packet then it is ok */
+	if (~flags & EFX_DISCARD)
+		EFX_EV_QSTAT_INCR(eep, EV_RX_OK);
+
+	/* Detect multicast packets that didn't match the filter */
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_PKT) != 0) {
+		EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_PKT);
+
+		if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_HASH_MATCH) != 0) {
+			EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_HASH_MATCH);
+		} else {
+			EFSYS_PROBE(mcast_mismatch);
+			flags |= EFX_ADDR_MISMATCH;
+		}
+	} else {
+		flags |= EFX_PKT_UNICAST;
+	}
+
+	/*
+	 * The packet parser in Siena can abort parsing packets under
+	 * certain error conditions, setting the PKT_NOT_PARSED bit
+	 * (which clears PKT_OK). If this is set, then don't trust
+	 * the PKT_TYPE field.
+	 */
+	if (!ok) {
+		uint32_t parse_err;
+
+		parse_err = EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_PKT_NOT_PARSED);
+		if (parse_err != 0)
+			flags |= EFX_CHECK_VLAN;
+	}
+
+	if (~flags & EFX_CHECK_VLAN) {
+		uint32_t pkt_type;
+
+		pkt_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_TYPE);
+		if (pkt_type >= FSE_AZ_RX_EV_PKT_TYPE_VLAN)
+			flags |= EFX_PKT_VLAN_TAGGED;
+	}
+
+	EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id,
+	    uint32_t, size, uint16_t, flags);
+
+	EFSYS_ASSERT(eecp->eec_rx != NULL);
+	should_abort = eecp->eec_rx(arg, label, id, size, flags);
+
+	return (should_abort);
+}
+
+static	__checkReturn	boolean_t
+siena_ev_tx(
+	__in		efx_evq_t *eep,
+	__in		efx_qword_t *eqp,
+	__in		const efx_ev_callbacks_t *eecp,
+	__in_opt	void *arg)
+{
+	uint32_t id;
+	uint32_t label;
+	boolean_t should_abort;
+
+	EFX_EV_QSTAT_INCR(eep, EV_TX);
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0 &&
+	    EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) == 0 &&
+	    EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) == 0 &&
+	    EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) == 0) {
+
+		id = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_DESC_PTR);
+		label = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_Q_LABEL);
+
+		EFSYS_PROBE2(tx_complete, uint32_t, label, uint32_t, id);
+
+		EFSYS_ASSERT(eecp->eec_tx != NULL);
+		should_abort = eecp->eec_tx(arg, label, id);
+
+		return (should_abort);
+	}
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0)
+		EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index,
+			    uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1),
+			    uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0));
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) != 0)
+		EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_ERR);
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) != 0)
+		EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_TOO_BIG);
+
+	if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) != 0)
+		EFX_EV_QSTAT_INCR(eep, EV_TX_WQ_FF_FULL);
+
+	EFX_EV_QSTAT_INCR(eep, EV_TX_UNEXPECTED);
+	return (B_FALSE);
+}
+
+static	__checkReturn	boolean_t
+siena_ev_global(
+	__in		efx_evq_t *eep,
+	__in		efx_qword_t *eqp,
+	__in		const efx_ev_callbacks_t *eecp,
+	__in_opt	void *arg)
+{
+	_NOTE(ARGUNUSED(eqp, eecp, arg))
+
+	EFX_EV_QSTAT_INCR(eep, EV_GLOBAL);
+
+	return (B_FALSE);
+}
+
+static	__checkReturn	boolean_t
+siena_ev_driver(
+	__in		efx_evq_t *eep,
+	__in		efx_qword_t *eqp,
+	__in		const efx_ev_callbacks_t *eecp,
+	__in_opt	void *arg)
+{
+	boolean_t should_abort;
+
+	EFX_EV_QSTAT_INCR(eep, EV_DRIVER);
+	should_abort = B_FALSE;
+
+	switch (EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBCODE)) {
+	case FSE_AZ_TX_DESCQ_FLS_DONE_EV: {
+		uint32_t txq_index;
+
+		EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DESCQ_FLS_DONE);
+
+		txq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA);
+
+		EFSYS_PROBE1(tx_descq_fls_done, uint32_t, txq_index);
+
+		EFSYS_ASSERT(eecp->eec_txq_flush_done != NULL);
+		should_abort = eecp->eec_txq_flush_done(arg, txq_index);
+
+		break;
+	}
+	case FSE_AZ_RX_DESCQ_FLS_DONE_EV: {
+		uint32_t rxq_index;
+		uint32_t failed;
+
+		rxq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_DESCQ_ID);
+		failed = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL);
+
+		EFSYS_ASSERT(eecp->eec_rxq_flush_done != NULL);
+		EFSYS_ASSERT(eecp->eec_rxq_flush_failed != NULL);
+
+		if (failed) {
+			EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_FAILED);
+
+			EFSYS_PROBE1(rx_descq_fls_failed, uint32_t, rxq_index);
+
+			should_abort = eecp->eec_rxq_flush_failed(arg,
+								    rxq_index);
+		} else {
+			EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_DONE);
+
+			EFSYS_PROBE1(rx_descq_fls_done, uint32_t, rxq_index);
+
+			should_abort = eecp->eec_rxq_flush_done(arg, rxq_index);
+		}
+
+		break;
+	}
+	case FSE_AZ_EVQ_INIT_DONE_EV:
+		EFSYS_ASSERT(eecp->eec_initialized != NULL);
+		should_abort = eecp->eec_initialized(arg);
+
+		break;
+
+	case FSE_AZ_EVQ_NOT_EN_EV:
+		EFSYS_PROBE(evq_not_en);
+		break;
+
+	case FSE_AZ_SRM_UPD_DONE_EV: {
+		uint32_t code;
+
+		EFX_EV_QSTAT_INCR(eep, EV_DRIVER_SRM_UPD_DONE);
+
+		code = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA);
+
+		EFSYS_ASSERT(eecp->eec_sram != NULL);
+		should_abort = eecp->eec_sram(arg, code);
+
+		break;
+	}
+	case FSE_AZ_WAKE_UP_EV: {
+		uint32_t id;
+
+		id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA);
+
+		EFSYS_ASSERT(eecp->eec_wake_up != NULL);
+		should_abort = eecp->eec_wake_up(arg, id);
+
+		break;
+	}
+	case FSE_AZ_TX_PKT_NON_TCP_UDP:
+		EFSYS_PROBE(tx_pkt_non_tcp_udp);
+		break;
+
+	case FSE_AZ_TIMER_EV: {
+		uint32_t id;
+
+		id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA);
+
+		EFSYS_ASSERT(eecp->eec_timer != NULL);
+		should_abort = eecp->eec_timer(arg, id);
+
+		break;
+	}
+	case FSE_AZ_RX_DSC_ERROR_EV:
+		EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DSC_ERROR);
+
+		EFSYS_PROBE(rx_dsc_error);
+
+		EFSYS_ASSERT(eecp->eec_exception != NULL);
+		should_abort = eecp->eec_exception(arg,
+			EFX_EXCEPTION_RX_DSC_ERROR, 0);
+
+		break;
+
+	case FSE_AZ_TX_DSC_ERROR_EV:
+		EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DSC_ERROR);
+
+		EFSYS_PROBE(tx_dsc_error);
+
+		EFSYS_ASSERT(eecp->eec_exception != NULL);
+		should_abort = eecp->eec_exception(arg,
+			EFX_EXCEPTION_TX_DSC_ERROR, 0);
+
+		break;
+
+	default:
+		break;
+	}
+
+	return (should_abort);
+}
+
+static	__checkReturn	boolean_t
+siena_ev_drv_gen(
+	__in		efx_evq_t *eep,
+	__in		efx_qword_t *eqp,
+	__in		const efx_ev_callbacks_t *eecp,
+	__in_opt	void *arg)
+{
+	uint32_t data;
+	boolean_t should_abort;
+
+	EFX_EV_QSTAT_INCR(eep, EV_DRV_GEN);
+
+	data = EFX_QWORD_FIELD(*eqp, FSF_AZ_EV_DATA_DW0);
+	if (data >= ((uint32_t)1 << 16)) {
+		EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index,
+			    uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1),
+			    uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0));
+		return (B_TRUE);
+	}
+
+	EFSYS_ASSERT(eecp->eec_software != NULL);
+	should_abort = eecp->eec_software(arg, (uint16_t)data);
+
+	return (should_abort);
+}
+
+#if EFSYS_OPT_MCDI
+
+static	__checkReturn	boolean_t
+siena_ev_mcdi(
+	__in		efx_evq_t *eep,
+	__in		efx_qword_t *eqp,
+	__in		const efx_ev_callbacks_t *eecp,
+	__in_opt	void *arg)
+{
+	efx_nic_t *enp = eep->ee_enp;
+	unsigned int code;
+	boolean_t should_abort = B_FALSE;
+
+	EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA);
+
+	if (enp->en_family != EFX_FAMILY_SIENA)
+		goto out;
+
+	EFSYS_ASSERT(eecp->eec_link_change != NULL);
+	EFSYS_ASSERT(eecp->eec_exception != NULL);
+
+	EFX_EV_QSTAT_INCR(eep, EV_MCDI_RESPONSE);
+
+	code = EFX_QWORD_FIELD(*eqp, MCDI_EVENT_CODE);
+	switch (code) {
+	case MCDI_EVENT_CODE_BADSSERT:
+		efx_mcdi_ev_death(enp, EINTR);
+		break;
+
+	case MCDI_EVENT_CODE_CMDDONE:
+		efx_mcdi_ev_cpl(enp,
+		    MCDI_EV_FIELD(eqp, CMDDONE_SEQ),
+		    MCDI_EV_FIELD(eqp, CMDDONE_DATALEN),
+		    MCDI_EV_FIELD(eqp, CMDDONE_ERRNO));
+		break;
+
+	case MCDI_EVENT_CODE_LINKCHANGE: {
+		efx_link_mode_t link_mode;
+
+		siena_phy_link_ev(enp, eqp, &link_mode);
+		should_abort = eecp->eec_link_change(arg, link_mode);
+		break;
+	}
+	case MCDI_EVENT_CODE_SENSOREVT: {
+		should_abort = B_FALSE;
+		break;
+	}
+	case MCDI_EVENT_CODE_SCHEDERR:
+		/* Informational only */
+		break;
+
+	case MCDI_EVENT_CODE_REBOOT:
+		efx_mcdi_ev_death(enp, EIO);
+		break;
+
+	case MCDI_EVENT_CODE_MAC_STATS_DMA:
+		break;
+
+	case MCDI_EVENT_CODE_FWALERT: {
+		uint32_t reason = MCDI_EV_FIELD(eqp, FWALERT_REASON);
+
+		if (reason == MCDI_EVENT_FWALERT_REASON_SRAM_ACCESS)
+			should_abort = eecp->eec_exception(arg,
+				EFX_EXCEPTION_FWALERT_SRAM,
+				MCDI_EV_FIELD(eqp, FWALERT_DATA));
+		else
+			should_abort = eecp->eec_exception(arg,
+				EFX_EXCEPTION_UNKNOWN_FWALERT,
+				MCDI_EV_FIELD(eqp, DATA));
+		break;
+	}
+
+	default:
+		EFSYS_PROBE1(mc_pcol_error, int, code);
+		break;
+	}
+
+out:
+	return (should_abort);
+}
+
+#endif	/* EFSYS_OPT_MCDI */
+
+static	__checkReturn	efx_rc_t
+siena_ev_qprime(
+	__in		efx_evq_t *eep,
+	__in		unsigned int count)
+{
+	efx_nic_t *enp = eep->ee_enp;
+	uint32_t rptr;
+	efx_dword_t dword;
+
+	rptr = count & eep->ee_mask;
+
+	EFX_POPULATE_DWORD_1(dword, FRF_AZ_EVQ_RPTR, rptr);
+
+	EFX_BAR_TBL_WRITED(enp, FR_AZ_EVQ_RPTR_REG, eep->ee_index,
+			    &dword, B_FALSE);
+
+	return (0);
+}
+
+static		void
+siena_ev_qpost(
+	__in	efx_evq_t *eep,
+	__in	uint16_t data)
+{
+	efx_nic_t *enp = eep->ee_enp;
+	efx_qword_t ev;
+	efx_oword_t oword;
+
+	EFX_POPULATE_QWORD_2(ev, FSF_AZ_EV_CODE, FSE_AZ_EV_CODE_DRV_GEN_EV,
+	    FSF_AZ_EV_DATA_DW0, (uint32_t)data);
+
+	EFX_POPULATE_OWORD_3(oword, FRF_AZ_DRV_EV_QID, eep->ee_index,
+	    EFX_DWORD_0, EFX_QWORD_FIELD(ev, EFX_DWORD_0),
+	    EFX_DWORD_1, EFX_QWORD_FIELD(ev, EFX_DWORD_1));
+
+	EFX_BAR_WRITEO(enp, FR_AZ_DRV_EV_REG, &oword);
+}
+
+static	__checkReturn	efx_rc_t
+siena_ev_qmoderate(
+	__in		efx_evq_t *eep,
+	__in		unsigned int us)
+{
+	efx_nic_t *enp = eep->ee_enp;
+	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+	unsigned int locked;
+	efx_dword_t dword;
+	efx_rc_t rc;
+
+	if (us > encp->enc_evq_timer_max_us) {
+		rc = EINVAL;
+		goto fail1;
+	}
+
+	/* If the value is zero then disable the timer */
+	if (us == 0) {
+		EFX_POPULATE_DWORD_2(dword,
+		    FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS,
+		    FRF_CZ_TC_TIMER_VAL, 0);
+	} else {
+		unsigned int ticks;
+
+		if ((rc = efx_ev_usecs_to_ticks(enp, us, &ticks)) != 0)
+			goto fail2;
+
+		EFSYS_ASSERT(ticks > 0);
+		EFX_POPULATE_DWORD_2(dword,
+		    FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF,
+		    FRF_CZ_TC_TIMER_VAL, ticks - 1);
+	}
+
+	locked = (eep->ee_index == 0) ? 1 : 0;
+
+	EFX_BAR_TBL_WRITED(enp, FR_BZ_TIMER_COMMAND_REGP0,
+	    eep->ee_index, &dword, locked);
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+static	__checkReturn	efx_rc_t
+siena_ev_qcreate(
+	__in		efx_nic_t *enp,
+	__in		unsigned int index,
+	__in		efsys_mem_t *esmp,
+	__in		size_t n,
+	__in		uint32_t id,
+	__in		uint32_t us,
+	__in		uint32_t flags,
+	__in		efx_evq_t *eep)
+{
+	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+	uint32_t size;
+	efx_oword_t oword;
+	efx_rc_t rc;
+	boolean_t notify_mode;
+
+	_NOTE(ARGUNUSED(esmp))
+
+	EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MAXNEVS));
+	EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MINNEVS));
+
+	if (!ISP2(n) || (n < EFX_EVQ_MINNEVS) || (n > EFX_EVQ_MAXNEVS)) {
+		rc = EINVAL;
+		goto fail1;
+	}
+	if (index >= encp->enc_evq_limit) {
+		rc = EINVAL;
+		goto fail2;
+	}
+	for (size = 0; (1 << size) <= (EFX_EVQ_MAXNEVS / EFX_EVQ_MINNEVS);
+	    size++)
+		if ((1 << size) == (int)(n / EFX_EVQ_MINNEVS))
+			break;
+	if (id + (1 << size) >= encp->enc_buftbl_limit) {
+		rc = EINVAL;
+		goto fail4;
+	}
+
+	/* Set up the handler table */
+	eep->ee_rx	= siena_ev_rx;
+	eep->ee_tx	= siena_ev_tx;
+	eep->ee_driver	= siena_ev_driver;
+	eep->ee_global	= siena_ev_global;
+	eep->ee_drv_gen	= siena_ev_drv_gen;
+#if EFSYS_OPT_MCDI
+	eep->ee_mcdi	= siena_ev_mcdi;
+#endif	/* EFSYS_OPT_MCDI */
+
+	notify_mode = ((flags & EFX_EVQ_FLAGS_NOTIFY_MASK) !=
+	    EFX_EVQ_FLAGS_NOTIFY_INTERRUPT);
+
+	/* Set up the new event queue */
+	EFX_POPULATE_OWORD_3(oword, FRF_CZ_TIMER_Q_EN, 1,
+	    FRF_CZ_HOST_NOTIFY_MODE, notify_mode,
+	    FRF_CZ_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS);
+	EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, index, &oword, B_TRUE);
+
+	EFX_POPULATE_OWORD_3(oword, FRF_AZ_EVQ_EN, 1, FRF_AZ_EVQ_SIZE, size,
+	    FRF_AZ_EVQ_BUF_BASE_ID, id);
+
+	EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, index, &oword, B_TRUE);
+
+	/* Set initial interrupt moderation */
+	siena_ev_qmoderate(eep, us);
+
+	return (0);
+
+fail4:
+	EFSYS_PROBE(fail4);
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+#endif /* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_SIENA
+
+static		void
+siena_ev_qdestroy(
+	__in	efx_evq_t *eep)
+{
+	efx_nic_t *enp = eep->ee_enp;
+	efx_oword_t oword;
+
+	/* Purge event queue */
+	EFX_ZERO_OWORD(oword);
+
+	EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL,
+	    eep->ee_index, &oword, B_TRUE);
+
+	EFX_ZERO_OWORD(oword);
+	EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, eep->ee_index, &oword, B_TRUE);
+}
+
+static		void
+siena_ev_fini(
+	__in	efx_nic_t *enp)
+{
+	_NOTE(ARGUNUSED(enp))
+}
+
+#endif /* EFSYS_OPT_SIENA */