disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.h
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@@ -46,6 +46,9 @@
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 #define TRACER_BLOCK_SIZE_BYTE 256
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 #define TRACES_PER_BLOCK 32
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+#define TRACE_STR_MSG 256
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+#define SAVED_TRACES_NUM 8192
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+
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 #define TRACER_MAX_PARAMS 7
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 #define MESSAGE_HASH_BITS 6
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 #define MESSAGE_HASH_SIZE BIT(MESSAGE_HASH_BITS)
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@@ -53,8 +56,16 @@
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 #define MASK_52_7 (0x1FFFFFFFFFFF80)
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 #define MASK_6_0  (0x7F)
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+struct mlx5_fw_trace_data {
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+	u64 timestamp;
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+	bool lost;
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+	u8 event_id;
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+	char msg[TRACE_STR_MSG];
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+};
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+
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 struct mlx5_fw_tracer {
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 	struct mlx5_core_dev *dev;
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+	struct mlx5_nb        nb;
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 	bool owner;
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 	u8   trc_ver;
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 	struct workqueue_struct *work_queue;
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@@ -81,6 +92,13 @@
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 		struct mlx5_core_mkey mkey;
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 		u32 consumer_index;
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 	} buff;
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+
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+	/* Saved Traces Array */
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+	struct {
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+		struct mlx5_fw_trace_data straces[SAVED_TRACES_NUM];
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+		u32 saved_traces_index;
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+		struct mutex lock; /* Protect st_arr access */
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+	} st_arr;
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 	u64 last_timestamp;
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 	struct work_struct handle_traces_work;
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@@ -170,6 +188,9 @@
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 int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer);
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 void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer);
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 void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer);
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-void mlx5_fw_tracer_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
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+int mlx5_fw_tracer_trigger_core_dump_general(struct mlx5_core_dev *dev);
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+int mlx5_fw_tracer_get_saved_traces_objects(struct mlx5_fw_tracer *tracer,
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+					    struct devlink_fmsg *fmsg);
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+int mlx5_fw_tracer_reload(struct mlx5_fw_tracer *tracer);
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 #endif