add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/node.h
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@@ -17,13 +17,80 @@
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 #include <linux/device.h>
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 #include <linux/cpumask.h>
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+#include <linux/list.h>
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 #include <linux/workqueue.h>
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+
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+/**
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+ * struct node_hmem_attrs - heterogeneous memory performance attributes
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+ *
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+ * @read_bandwidth:	Read bandwidth in MB/s
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+ * @write_bandwidth:	Write bandwidth in MB/s
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+ * @read_latency:	Read latency in nanoseconds
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+ * @write_latency:	Write latency in nanoseconds
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+ */
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+struct node_hmem_attrs {
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+	unsigned int read_bandwidth;
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+	unsigned int write_bandwidth;
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+	unsigned int read_latency;
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+	unsigned int write_latency;
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+};
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+
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+enum cache_indexing {
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+	NODE_CACHE_DIRECT_MAP,
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+	NODE_CACHE_INDEXED,
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+	NODE_CACHE_OTHER,
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+};
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+
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+enum cache_write_policy {
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+	NODE_CACHE_WRITE_BACK,
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+	NODE_CACHE_WRITE_THROUGH,
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+	NODE_CACHE_WRITE_OTHER,
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+};
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+
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+/**
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+ * struct node_cache_attrs - system memory caching attributes
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+ *
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+ * @indexing:		The ways memory blocks may be placed in cache
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+ * @write_policy:	Write back or write through policy
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+ * @size:		Total size of cache in bytes
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+ * @line_size:		Number of bytes fetched on a cache miss
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+ * @level:		The cache hierarchy level
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+ */
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+struct node_cache_attrs {
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+	enum cache_indexing indexing;
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+	enum cache_write_policy write_policy;
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+	u64 size;
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+	u16 line_size;
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+	u8 level;
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+};
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+
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+#ifdef CONFIG_HMEM_REPORTING
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+void node_add_cache(unsigned int nid, struct node_cache_attrs *cache_attrs);
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+void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs,
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+			 unsigned access);
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+#else
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+static inline void node_add_cache(unsigned int nid,
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+				  struct node_cache_attrs *cache_attrs)
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+{
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+}
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+
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+static inline void node_set_perf_attrs(unsigned int nid,
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+				       struct node_hmem_attrs *hmem_attrs,
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+				       unsigned access)
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+{
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+}
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+#endif
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 struct node {
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 	struct device	dev;
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+	struct list_head access_list;
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 #if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_HUGETLBFS)
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 	struct work_struct	node_work;
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+#endif
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+#ifdef CONFIG_HMEM_REPORTING
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+	struct list_head cache_attrs;
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+	struct device *cache_dev;
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 #endif
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 };
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@@ -32,15 +99,14 @@
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 typedef  void (*node_registration_func_t)(struct node *);
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 #if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_NUMA)
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-int link_mem_sections(int nid, unsigned long start_pfn,
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-		      unsigned long end_pfn,
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-		      enum meminit_context context);
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+void link_mem_sections(int nid, unsigned long start_pfn,
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+		       unsigned long end_pfn,
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+		       enum meminit_context context);
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 #else
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-static inline int link_mem_sections(int nid, unsigned long start_pfn,
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-				    unsigned long end_pfn,
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-				    enum meminit_context context)
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+static inline void link_mem_sections(int nid, unsigned long start_pfn,
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+				     unsigned long end_pfn,
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+				     enum meminit_context context)
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 {
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-	return 0;
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 }
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 #endif
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@@ -63,8 +129,7 @@
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 		if (error)
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 			return error;
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 		/* link memory sections under this node */
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-		error = link_mem_sections(nid, start_pfn, end_pfn,
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-					  MEMINIT_EARLY);
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+		link_mem_sections(nid, start_pfn, end_pfn, MEMINIT_EARLY);
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 	}
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 	return error;
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@@ -73,9 +138,11 @@
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 extern void unregister_one_node(int nid);
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 extern int register_cpu_under_node(unsigned int cpu, unsigned int nid);
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 extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid);
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-extern int register_mem_sect_under_node(struct memory_block *mem_blk,
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-						void *arg);
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 extern void unregister_memory_block_under_nodes(struct memory_block *mem_blk);
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+
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+extern int register_memory_node_under_compute_node(unsigned int mem_nid,
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+						   unsigned int cpu_nid,
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+						   unsigned access);
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 #ifdef CONFIG_HUGETLBFS
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 extern void register_hugetlbfs_with_node(node_registration_func_t doregister,
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@@ -99,11 +166,6 @@
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 	return 0;
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 }
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 static inline int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
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-{
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-	return 0;
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-}
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-static inline int register_mem_sect_under_node(struct memory_block *mem_blk,
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-							void *arg)
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 {
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 	return 0;
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 }