X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_cpr.h;h=2a56ec52ce2701d8e40113f40a9f820405d25769;hb=48fbc1be82b551e41c58e94de780fdd2ffaaeb78;hp=c7af5698335986d52e4cc73ba3d078247aaeab32;hpb=5735eb241947c6ead118322b708fd36570c29b15;p=dpdk.git

diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h
index c7af569833..2a56ec52ce 100644
--- a/drivers/net/bnxt/bnxt_cpr.h
+++ b/drivers/net/bnxt/bnxt_cpr.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2018 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
  * All rights reserved.
  */
 
@@ -9,67 +9,81 @@
 
 #include <rte_io.h>
 
-#define CMP_VALID(cmp, raw_cons, ring)					\
-	(!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) ==	\
-	 !((raw_cons) & ((ring)->ring_size)))
+struct bnxt_db_info;
 
-#define CMPL_VALID(cmp, v)						\
-	(!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == !(v))
+#define CMP_VALID(cmp, raw_cons, ring)					\
+	(!!(rte_le_to_cpu_32(((struct cmpl_base *)(cmp))->info3_v) &	\
+	    CMPL_BASE_V) == !((raw_cons) & ((ring)->ring_size)))
 
 #define CMP_TYPE(cmp)						\
 	(((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK)
 
+/* Get completion length from completion type, in 16-byte units. */
+#define CMP_LEN(cmp_type) (((cmp_type) & 1) + 1)
+
+
 #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)					\
 	rte_write32((DB_CP_REARM_FLAGS |				\
-		    RING_CMP(((cpr)->cp_ring_struct), raw_cons)),	\
-		    ((cpr)->cp_doorbell))
+		    DB_RING_IDX(&((cpr)->cp_db), raw_cons)),		\
+		    ((cpr)->cp_db.doorbell))
+
+#define B_CP_DB_ARM(cpr)	rte_write32((DB_KEY_CP),		\
+					    ((cpr)->cp_db.doorbell))
 
-#define B_CP_DB_ARM(cpr)	rte_write32((DB_KEY_CP), ((cpr)->cp_doorbell))
-#define B_CP_DB_DISARM(cpr)	(*(uint32_t *)((cpr)->cp_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_doorbell) = (DB_CP_REARM_FLAGS | \
+		(*(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 |	\
+		(*(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_doorbell))
+	rte_write32_relaxed((DB_CP_FLAGS |				\
+		    DB_RING_IDX(&((cpr)->cp_db), 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_doorbell))
+		    ((cpr)->cp_db.doorbell))
+
+struct bnxt_db_info {
+	void                    *doorbell;
+	union {
+		uint64_t        db_key64;
+		uint32_t        db_key32;
+	};
+	bool                    db_64;
+	uint32_t		db_ring_mask;
+	uint32_t		db_epoch_mask;
+	uint32_t		db_epoch_shift;
+};
+
+#define DB_EPOCH(db, idx)	(((idx) & (db)->db_epoch_mask) <<	\
+				 ((db)->db_epoch_shift))
+#define DB_RING_IDX(db, idx)	(((idx) & (db)->db_ring_mask) |		\
+				 DB_EPOCH(db, idx))
 
 struct bnxt_ring;
 struct bnxt_cp_ring_info {
 	uint32_t		cp_raw_cons;
-	void			*cp_doorbell;
 
 	struct cmpl_base	*cp_desc_ring;
-
+	struct bnxt_db_info     cp_db;
 	rte_iova_t		cp_desc_mapping;
 
 	struct ctx_hw_stats	*hw_stats;
@@ -77,8 +91,6 @@ struct bnxt_cp_ring_info {
 	uint32_t		hw_stats_ctx_id;
 
 	struct bnxt_ring	*cp_ring_struct;
-	uint16_t		cp_cons;
-	bool			valid;
 };
 
 #define RX_CMP_L2_ERRORS						\
@@ -88,5 +100,25 @@ struct bnxt;
 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);
+void bnxt_wait_for_device_shutdown(struct bnxt *bp);
+
+#define EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL     \
+	HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL
+#define EVENT_DATA1_REASON_CODE_MASK                   \
+	HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK
+
+#define EVENT_DATA1_FLAGS_MASK                         \
+	HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASK
+
+#define EVENT_DATA1_FLAGS_MASTER_FUNC                  \
+	HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASTER_FUNC
+
+#define EVENT_DATA1_FLAGS_RECOVERY_ENABLED             \
+	HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_RECOVERY_ENABLED
+
+bool bnxt_is_recovery_enabled(struct bnxt *bp);
+bool bnxt_is_master_func(struct bnxt *bp);
 
+void bnxt_stop_rxtx(struct bnxt *bp);
 #endif