From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/infiniband/hw/hfi1/mmu_rb.h | 27 +++++++++++++++++++++------
1 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/hfi1/mmu_rb.h b/kernel/drivers/infiniband/hw/hfi1/mmu_rb.h
index f04cec1..be85537 100644
--- a/kernel/drivers/infiniband/hw/hfi1/mmu_rb.h
+++ b/kernel/drivers/infiniband/hw/hfi1/mmu_rb.h
@@ -1,4 +1,5 @@
/*
+ * Copyright(c) 2020 Cornelis Networks, Inc.
* Copyright(c) 2016 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
@@ -54,7 +55,9 @@
unsigned long len;
unsigned long __last;
struct rb_node node;
+ struct mmu_rb_handler *handler;
struct list_head list;
+ struct kref refcount;
};
/*
@@ -71,18 +74,30 @@
void *evict_arg, bool *stop);
};
-int hfi1_mmu_rb_register(void *ops_arg, struct mm_struct *mm,
+struct mmu_rb_handler {
+ struct mmu_notifier mn;
+ struct rb_root_cached root;
+ void *ops_arg;
+ spinlock_t lock; /* protect the RB tree */
+ struct mmu_rb_ops *ops;
+ struct list_head lru_list;
+ struct work_struct del_work;
+ struct list_head del_list;
+ struct workqueue_struct *wq;
+};
+
+int hfi1_mmu_rb_register(void *ops_arg,
struct mmu_rb_ops *ops,
struct workqueue_struct *wq,
struct mmu_rb_handler **handler);
void hfi1_mmu_rb_unregister(struct mmu_rb_handler *handler);
int hfi1_mmu_rb_insert(struct mmu_rb_handler *handler,
struct mmu_rb_node *mnode);
+void hfi1_mmu_rb_release(struct kref *refcount);
+
void hfi1_mmu_rb_evict(struct mmu_rb_handler *handler, void *evict_arg);
-void hfi1_mmu_rb_remove(struct mmu_rb_handler *handler,
- struct mmu_rb_node *mnode);
-bool hfi1_mmu_rb_remove_unless_exact(struct mmu_rb_handler *handler,
- unsigned long addr, unsigned long len,
- struct mmu_rb_node **rb_node);
+struct mmu_rb_node *hfi1_mmu_rb_get_first(struct mmu_rb_handler *handler,
+ unsigned long addr,
+ unsigned long len);
#endif /* _HFI1_MMU_RB_H */
--
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