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2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/include/soc/fsl/dpaa2-global.h
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@@ -174,4 +174,19 @@
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 	return (const struct dpaa2_fd *)&dq->dq.fd[0];
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 }
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+#define DPAA2_CSCN_SIZE		sizeof(struct dpaa2_dq)
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+#define DPAA2_CSCN_ALIGN	16
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+#define DPAA2_CSCN_STATE_CG	BIT(0)
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+
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+/**
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+ * dpaa2_cscn_state_congested() - Check congestion state
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+ * @cscn: congestion SCN (delivered to WQ or memory)
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+ *
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+i * Return true is congested.
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+ */
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+static inline bool dpaa2_cscn_state_congested(struct dpaa2_dq *cscn)
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+{
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+	return !!(cscn->scn.state & DPAA2_CSCN_STATE_CG);
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+}
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+
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 #endif /* __FSL_DPAA2_GLOBAL_H */