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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/arch/mips/include/asm/sn/sn0/hub.h
..
..
@@ -37,4 +37,26 @@
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 #define UATTR_MSPEC	2
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 #define UATTR_UNCAC	3
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+#ifdef __ASSEMBLY__
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+/*
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+ * Returns the local nasid into res.
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+ */
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+	.macro GET_NASID_ASM res
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+	dli	\res, LOCAL_HUB_ADDR(NI_STATUS_REV_ID)
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+	ld	\res, (\res)
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+	and	\res, NSRI_NODEID_MASK
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+	dsrl	\res, NSRI_NODEID_SHFT
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+	.endm
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+#else
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+
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+/*
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+ * get_nasid() returns the physical node id number of the caller.
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+ */
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+static inline nasid_t get_nasid(void)
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+{
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+	return (nasid_t)((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_NODEID_MASK)
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+			 >> NSRI_NODEID_SHFT);
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+}
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+#endif
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+
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 #endif /* _ASM_SN_SN0_HUB_H */