X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_ev.h;h=065defe0a19c3df070b5b0d3d43aa3851b5830df;hb=738f56d41ab56285187eafc5f10b3047c5ded06f;hp=11478e90a19a02e73130e9e4fda7a7f217b454fc;hpb=58294ee65afbc01d8e42cfc5e4033af255d378e3;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_ev.h b/drivers/net/sfc/sfc_ev.h
index 11478e90a1..065defe0a1 100644
--- a/drivers/net/sfc/sfc_ev.h
+++ b/drivers/net/sfc/sfc_ev.h
@@ -1,5 +1,7 @@
 /*-
- * Copyright (c) 2016 Solarflare Communications Inc.
+ *   BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
  * All rights reserved.
  *
  * This software was jointly developed between OKTET Labs (under contract
@@ -30,8 +32,12 @@
 #ifndef _SFC_EV_H_
 #define _SFC_EV_H_
 
+#include <rte_ethdev.h>
+
 #include "efx.h"
 
+#include "sfc.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -40,6 +46,8 @@ extern "C" {
 #define SFC_MGMT_EVQ_ENTRIES	(EFX_EVQ_MINNEVS)
 
 struct sfc_adapter;
+struct sfc_dp_rxq;
+struct sfc_dp_txq;
 
 enum sfc_evq_state {
 	SFC_EVQ_UNINITIALIZED = 0,
@@ -50,62 +58,41 @@ enum sfc_evq_state {
 	SFC_EVQ_NSTATES
 };
 
+enum sfc_evq_type {
+	SFC_EVQ_TYPE_MGMT = 0,
+	SFC_EVQ_TYPE_RX,
+	SFC_EVQ_TYPE_TX,
+
+	SFC_EVQ_NTYPES
+};
+
 struct sfc_evq {
 	/* Used on datapath */
-	efx_evq_t		*common;
-	unsigned int		read_ptr;
-	boolean_t		exception;
-	efsys_mem_t		mem;
+	efx_evq_t			*common;
+	const efx_ev_callbacks_t	*callbacks;
+	unsigned int			read_ptr;
+	boolean_t			exception;
+	efsys_mem_t			mem;
+	struct sfc_dp_rxq		*dp_rxq;
+	struct sfc_dp_txq		*dp_txq;
 
 	/* Not used on datapath */
-	struct sfc_adapter	*sa;
-	unsigned int		evq_index;
-	enum sfc_evq_state	init_state;
-};
-
-struct sfc_evq_info {
-	/* Maximum number of EVQ entries taken into account when buffer
-	 * table space is allocated.
-	 */
-	unsigned int		max_entries;
-	/* Real number of EVQ entries, less or equal to max_entries */
-	unsigned int		entries;
-	/* NUMA-aware EVQ data structure used on datapath */
-	struct sfc_evq		*evq;
+	struct sfc_adapter		*sa;
+	unsigned int			evq_index;
+	enum sfc_evq_state		init_state;
+	enum sfc_evq_type		type;
+	unsigned int			entries;
 };
 
 /*
  * Functions below define event queue to transmit/receive queue and vice
  * versa mapping.
+ * Own event queue is allocated for management, each Rx and each Tx queue.
+ * Zero event queue is used for management events.
+ * Rx event queues from 1 to RxQ number follow management event queue.
+ * Tx event queues follow Rx event queues.
  */
 
-static inline unsigned int
-sfc_ev_qcount(struct sfc_adapter *sa)
-{
-	const struct rte_eth_dev_data *dev_data = sa->eth_dev->data;
-
-	/*
-	 * One management EVQ for global events.
-	 * Own EVQ for each Tx and Rx queue.
-	 */
-	return 1 + dev_data->nb_rx_queues + dev_data->nb_tx_queues;
-}
-
-static inline unsigned int
-sfc_evq_max_entries(struct sfc_adapter *sa, unsigned int sw_index)
-{
-	unsigned int max_entries;
-
-	if (sw_index == sa->mgmt_evq_index)
-		max_entries = SFC_MGMT_EVQ_ENTRIES;
-	else if (sw_index <= sa->eth_dev->data->nb_rx_queues)
-		max_entries = EFX_RXQ_MAXNDESCS;
-	else
-		max_entries = efx_nic_cfg_get(sa->nic)->enc_txq_max_ndescs;
-
-	return max_entries;
-}
-
 static inline unsigned int
 sfc_evq_index_by_rxq_sw_index(__rte_unused struct sfc_adapter *sa,
 			      unsigned int rxq_sw_index)
@@ -119,20 +106,23 @@ sfc_evq_index_by_txq_sw_index(struct sfc_adapter *sa, unsigned int txq_sw_index)
 	return 1 + sa->eth_dev->data->nb_rx_queues + txq_sw_index;
 }
 
-int sfc_ev_init(struct sfc_adapter *sa);
-void sfc_ev_fini(struct sfc_adapter *sa);
+int sfc_ev_attach(struct sfc_adapter *sa);
+void sfc_ev_detach(struct sfc_adapter *sa);
 int sfc_ev_start(struct sfc_adapter *sa);
 void sfc_ev_stop(struct sfc_adapter *sa);
 
-int sfc_ev_qinit(struct sfc_adapter *sa, unsigned int sw_index,
-		 unsigned int entries, int socket_id);
-void sfc_ev_qfini(struct sfc_adapter *sa, unsigned int sw_index);
-int sfc_ev_qstart(struct sfc_adapter *sa, unsigned int sw_index);
-void sfc_ev_qstop(struct sfc_adapter *sa, unsigned int sw_index);
+int sfc_ev_qinit(struct sfc_adapter *sa,
+		 enum sfc_evq_type type, unsigned int type_index,
+		 unsigned int entries, int socket_id, struct sfc_evq **evqp);
+void sfc_ev_qfini(struct sfc_evq *evq);
+int sfc_ev_qstart(struct sfc_evq *evq, unsigned int hw_index);
+void sfc_ev_qstop(struct sfc_evq *evq);
 
 int sfc_ev_qprime(struct sfc_evq *evq);
 void sfc_ev_qpoll(struct sfc_evq *evq);
 
+void sfc_ev_mgmt_qpoll(struct sfc_adapter *sa);
+
 #ifdef __cplusplus
 }
 #endif