X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcommon%2Fsfc_efx%2Fbase%2Fefx_ev.c;h=99a7743edbd2d89f9a3048b67464ddd2b64f426f;hb=6c055549e6c228fd327c235251614bddd5d96b5a;hp=21fddfb64db955f6f1a4b028eed16f673b1c1190;hpb=ad1e3ed8c5f6aa921a83bd94f0dddb3a2a4b7593;p=dpdk.git

diff --git a/drivers/common/sfc_efx/base/efx_ev.c b/drivers/common/sfc_efx/base/efx_ev.c
index 21fddfb64d..99a7743edb 100644
--- a/drivers/common/sfc_efx/base/efx_ev.c
+++ b/drivers/common/sfc_efx/base/efx_ev.c
@@ -109,6 +109,22 @@ static const efx_ev_ops_t	__efx_ev_ef10_ops = {
 };
 #endif /* EFX_OPTS_EF10() */
 
+#if EFSYS_OPT_RIVERHEAD
+static const efx_ev_ops_t	__efx_ev_rhead_ops = {
+	rhead_ev_init,				/* eevo_init */
+	rhead_ev_fini,				/* eevo_fini */
+	rhead_ev_qcreate,			/* eevo_qcreate */
+	rhead_ev_qdestroy,			/* eevo_qdestroy */
+	rhead_ev_qprime,			/* eevo_qprime */
+	rhead_ev_qpost,				/* eevo_qpost */
+	rhead_ev_qpoll,				/* eevo_qpoll */
+	rhead_ev_qmoderate,			/* eevo_qmoderate */
+#if EFSYS_OPT_QSTATS
+	rhead_ev_qstats_update,			/* eevo_qstats_update */
+#endif
+};
+#endif /* EFSYS_OPT_RIVERHEAD */
+
 
 	__checkReturn	efx_rc_t
 efx_ev_init(
@@ -150,6 +166,12 @@ efx_ev_init(
 		break;
 #endif /* EFSYS_OPT_MEDFORD2 */
 
+#if EFSYS_OPT_RIVERHEAD
+	case EFX_FAMILY_RIVERHEAD:
+		eevop = &__efx_ev_rhead_ops;
+		break;
+#endif /* EFSYS_OPT_RIVERHEAD */
+
 	default:
 		EFSYS_ASSERT(0);
 		rc = ENOTSUP;
@@ -236,18 +258,28 @@ efx_ev_qcreate(
 	EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <,
 	    enp->en_nic_cfg.enc_evq_limit);
 
+	if (index >= encp->enc_evq_limit) {
+		rc = EINVAL;
+		goto fail1;
+	}
+
+	if (us > encp->enc_evq_timer_max_us) {
+		rc = EINVAL;
+		goto fail2;
+	}
+
 	switch (flags & EFX_EVQ_FLAGS_NOTIFY_MASK) {
 	case EFX_EVQ_FLAGS_NOTIFY_INTERRUPT:
 		break;
 	case EFX_EVQ_FLAGS_NOTIFY_DISABLED:
 		if (us != 0) {
 			rc = EINVAL;
-			goto fail1;
+			goto fail3;
 		}
 		break;
 	default:
 		rc = EINVAL;
-		goto fail2;
+		goto fail4;
 	}
 
 	EFSYS_ASSERT(ISP2(encp->enc_evq_max_nevs));
@@ -257,14 +289,14 @@ efx_ev_qcreate(
 	    ndescs < encp->enc_evq_min_nevs ||
 	    ndescs > encp->enc_evq_max_nevs) {
 		rc = EINVAL;
-		goto fail3;
+		goto fail5;
 	}
 
 	/* Allocate an EVQ object */
 	EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep);
 	if (eep == NULL) {
 		rc = ENOMEM;
-		goto fail4;
+		goto fail6;
 	}
 
 	eep->ee_magic = EFX_EVQ_MAGIC;
@@ -287,16 +319,20 @@ efx_ev_qcreate(
 
 	if ((rc = eevop->eevo_qcreate(enp, index, esmp, ndescs, id, us, flags,
 	    eep)) != 0)
-		goto fail5;
+		goto fail7;
 
 	return (0);
 
-fail5:
-	EFSYS_PROBE(fail5);
+fail7:
+	EFSYS_PROBE(fail7);
 
 	*eepp = NULL;
 	enp->en_ev_qcount--;
 	EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep);
+fail6:
+	EFSYS_PROBE(fail6);
+fail5:
+	EFSYS_PROBE(fail5);
 fail4:
 	EFSYS_PROBE(fail4);
 fail3:
@@ -387,6 +423,36 @@ efx_ev_qprefetch(
 
 #endif	/* EFSYS_OPT_EV_PREFETCH */
 
+/*
+ * This method is needed to ensure that eec_initialized callback
+ * is invoked after queue creation. The callback will be invoked
+ * on Riverhead boards which have no support for INIT_DONE events
+ * and will do nothing on other boards.
+ *
+ * The client drivers must call this method after calling efx_ev_create().
+ * The call must be done with the same locks being held (if any) which are
+ * normally acquired around efx_ev_qpoll() calls to ensure that
+ * eec_initialized callback is invoked within the same locking context.
+ */
+			void
+efx_ev_qcreate_check_init_done(
+	__in		efx_evq_t *eep,
+	__in		const efx_ev_callbacks_t *eecp,
+	__in_opt	void *arg)
+{
+	const efx_nic_cfg_t *encp;
+
+	EFSYS_ASSERT(eep != NULL);
+	EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC);
+	EFSYS_ASSERT(eecp != NULL);
+	EFSYS_ASSERT(eecp->eec_initialized != NULL);
+
+	encp = efx_nic_cfg_get(eep->ee_enp);
+
+	if (encp->enc_evq_init_done_ev_supported == B_FALSE)
+		(void) eecp->eec_initialized(arg);
+}
+
 			void
 efx_ev_qpoll(
 	__in		efx_evq_t *eep,
@@ -1189,15 +1255,11 @@ siena_ev_qcreate(
 
 	_NOTE(ARGUNUSED(esmp))
 
-	if (index >= encp->enc_evq_limit) {
-		rc = EINVAL;
-		goto fail1;
-	}
 #if EFSYS_OPT_RX_SCALE
 	if (enp->en_intr.ei_type == EFX_INTR_LINE &&
 	    index >= EFX_MAXRSS_LEGACY) {
 		rc = EINVAL;
-		goto fail2;
+		goto fail1;
 	}
 #endif
 	for (size = 0;
@@ -1207,7 +1269,7 @@ siena_ev_qcreate(
 			break;
 	if (id + (1 << size) >= encp->enc_buftbl_limit) {
 		rc = EINVAL;
-		goto fail3;
+		goto fail2;
 	}
 
 	/* Set up the handler table */
@@ -1239,13 +1301,11 @@ siena_ev_qcreate(
 
 	return (0);
 
-fail3:
-	EFSYS_PROBE(fail3);
-#if EFSYS_OPT_RX_SCALE
 fail2:
 	EFSYS_PROBE(fail2);
-#endif
+#if EFSYS_OPT_RX_SCALE
 fail1:
+#endif
 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
 
 	return (rc);