X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_cpr.h;h=f48293b9630eb7618d62d592b34537da60029892;hb=df6cd7c1f73a;hp=f9f2adb405aca6f347264760b044e5dd9d115490;hpb=1fe1aaf2076f0b7b08adeca3b548af310f033452;p=dpdk.git

diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h
index f9f2adb405..f48293b963 100644
--- a/drivers/net/bnxt/bnxt_cpr.h
+++ b/drivers/net/bnxt/bnxt_cpr.h
@@ -1,41 +1,26 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) Broadcom Limited.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Broadcom Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Broadcom
+ * All rights reserved.
  */
 
 #ifndef _BNXT_CPR_H_
 #define _BNXT_CPR_H_
+#include <stdbool.h>
+
+#include <rte_io.h>
+
+struct bnxt_db_info;
 
 #define CMP_VALID(cmp, raw_cons, ring)					\
-	(!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) ==	\
+	(!!(rte_le_to_cpu_32(((struct cmpl_base *)(cmp))->info3_v) &	\
+	    CMPL_BASE_V) == !((raw_cons) & ((ring)->ring_size)))
+
+#define CMPL_VALID(cmp, v)						\
+	(!!(rte_le_to_cpu_32(((struct cmpl_base *)(cmp))->info3_v) &	\
+	    CMPL_BASE_V) == !(v))
+
+#define NQ_CMP_VALID(nqcmp, raw_cons, ring)		\
+	(!!((nqcmp)->v & rte_cpu_to_le_32(NQ_CN_V)) ==	\
 	 !((raw_cons) & ((ring)->ring_size)))
 
 #define CMP_TYPE(cmp)						\
@@ -44,44 +29,83 @@
 #define ADV_RAW_CMP(idx, n)	((idx) + (n))
 #define NEXT_RAW_CMP(idx)	ADV_RAW_CMP(idx, 1)
 #define RING_CMP(ring, idx)	((idx) & (ring)->ring_mask)
+#define RING_CMPL(ring_mask, idx)	((idx) & (ring_mask))
 #define NEXT_CMP(idx)		RING_CMP(ADV_RAW_CMP(idx, 1))
+#define FLIP_VALID(cons, mask, val)	((cons) >= (mask) ? !(val) : (val))
 
 #define DB_CP_REARM_FLAGS	(DB_KEY_CP | DB_IDX_VALID)
 #define DB_CP_FLAGS		(DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS)
 
+#define NEXT_CMPL(cpr, idx, v, inc)	do { \
+	(idx) += (inc); \
+	if (unlikely((idx) >= (cpr)->cp_ring_struct->ring_size)) { \
+		(v) = !(v); \
+		(idx) = 0; \
+	} \
+} while (0)
 #define B_CP_DB_REARM(cpr, raw_cons)					\
-		(*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \
-				RING_CMP(cpr->cp_ring_struct, raw_cons)))
+	rte_write32((DB_CP_REARM_FLAGS |				\
+		    RING_CMP(((cpr)->cp_ring_struct), raw_cons)),	\
+		    ((cpr)->cp_db.doorbell))
 
-#define B_CP_DIS_DB(cpr, raw_cons)					\
+#define B_CP_DB_ARM(cpr)	rte_write32((DB_KEY_CP),		\
+					    ((cpr)->cp_db.doorbell))
+
+#define B_CP_DB_DISARM(cpr)	(*(uint32_t *)((cpr)->cp_db.doorbell) = \
+				 DB_KEY_CP | DB_IRQ_DIS)
+
+#define B_CP_DB_IDX_ARM(cpr, cons)					\
+		(*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_REARM_FLAGS | \
+				(cons)))
+
+#define B_CP_DB_IDX_DISARM(cpr, cons)	do {				\
 		rte_smp_wmb();						\
-		(*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS |	\
-				RING_CMP(cpr->cp_ring_struct, raw_cons)))
+		(*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_FLAGS |	\
+				(cons));				\
+} while (0)
+#define B_CP_DIS_DB(cpr, raw_cons)					\
+	rte_write32((DB_CP_FLAGS |					\
+		    RING_CMP(((cpr)->cp_ring_struct), raw_cons)),	\
+		    ((cpr)->cp_db.doorbell))
+
+#define B_CP_DB(cpr, raw_cons, ring_mask)				\
+	rte_write32((DB_CP_FLAGS |					\
+		    RING_CMPL((ring_mask), raw_cons)),	\
+		    ((cpr)->cp_db.doorbell))
+
+struct bnxt_db_info {
+	void                    *doorbell;
+	union {
+		uint64_t        db_key64;
+		uint32_t        db_key32;
+	};
+	bool                    db_64;
+};
 
 struct bnxt_ring;
 struct bnxt_cp_ring_info {
 	uint32_t		cp_raw_cons;
-	void			*cp_doorbell;
 
 	struct cmpl_base	*cp_desc_ring;
-
-	phys_addr_t		cp_desc_mapping;
+	struct bnxt_db_info     cp_db;
+	rte_iova_t		cp_desc_mapping;
 
 	struct ctx_hw_stats	*hw_stats;
-	phys_addr_t		hw_stats_map;
+	rte_iova_t		hw_stats_map;
 	uint32_t		hw_stats_ctx_id;
 
 	struct bnxt_ring	*cp_ring_struct;
+	uint16_t		cp_cons;
+	bool			valid;
 };
 
 #define RX_CMP_L2_ERRORS						\
 	(RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR)
 
-
 struct bnxt;
-void bnxt_free_def_cp_ring(struct bnxt *bp);
-int bnxt_init_def_ring_struct(struct bnxt *bp, unsigned int socket_id);
 void bnxt_handle_async_event(struct bnxt *bp, struct cmpl_base *cmp);
 void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp);
+int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp);
+void bnxt_dev_reset_and_resume(void *arg);
 
 #endif