add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/infiniband/hw/hfi1/mmu_rb.h
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@@ -1,4 +1,5 @@
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 /*
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+ * Copyright(c) 2020 Cornelis Networks, Inc.
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  * Copyright(c) 2016 Intel Corporation.
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  *
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  * This file is provided under a dual BSD/GPLv2 license.  When using or
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@@ -54,7 +55,9 @@
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 	unsigned long len;
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 	unsigned long __last;
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 	struct rb_node node;
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+	struct mmu_rb_handler *handler;
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 	struct list_head list;
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+	struct kref refcount;
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 };
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 /*
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@@ -71,18 +74,30 @@
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 		     void *evict_arg, bool *stop);
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 };
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-int hfi1_mmu_rb_register(void *ops_arg, struct mm_struct *mm,
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+struct mmu_rb_handler {
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+	struct mmu_notifier mn;
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+	struct rb_root_cached root;
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+	void *ops_arg;
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+	spinlock_t lock;        /* protect the RB tree */
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+	struct mmu_rb_ops *ops;
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+	struct list_head lru_list;
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+	struct work_struct del_work;
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+	struct list_head del_list;
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+	struct workqueue_struct *wq;
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+};
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+
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+int hfi1_mmu_rb_register(void *ops_arg,
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 			 struct mmu_rb_ops *ops,
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 			 struct workqueue_struct *wq,
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 			 struct mmu_rb_handler **handler);
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 void hfi1_mmu_rb_unregister(struct mmu_rb_handler *handler);
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 int hfi1_mmu_rb_insert(struct mmu_rb_handler *handler,
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 		       struct mmu_rb_node *mnode);
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+void hfi1_mmu_rb_release(struct kref *refcount);
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+
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 void hfi1_mmu_rb_evict(struct mmu_rb_handler *handler, void *evict_arg);
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-void hfi1_mmu_rb_remove(struct mmu_rb_handler *handler,
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-			struct mmu_rb_node *mnode);
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-bool hfi1_mmu_rb_remove_unless_exact(struct mmu_rb_handler *handler,
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-				     unsigned long addr, unsigned long len,
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-				     struct mmu_rb_node **rb_node);
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+struct mmu_rb_node *hfi1_mmu_rb_get_first(struct mmu_rb_handler *handler,
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+					  unsigned long addr,
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+					  unsigned long len);
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 #endif /* _HFI1_MMU_RB_H */