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1 | 1 | /* |
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| 2 | + * Copyright(c) 2020 Cornelis Networks, Inc. |
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2 | 3 | * Copyright(c) 2016 Intel Corporation. |
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3 | 4 | * |
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4 | 5 | * This file is provided under a dual BSD/GPLv2 license. When using or |
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.. | .. |
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54 | 55 | unsigned long len; |
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55 | 56 | unsigned long __last; |
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56 | 57 | struct rb_node node; |
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| 58 | + struct mmu_rb_handler *handler; |
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57 | 59 | struct list_head list; |
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58 | 60 | }; |
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59 | 61 | |
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.. | .. |
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71 | 73 | void *evict_arg, bool *stop); |
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72 | 74 | }; |
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73 | 75 | |
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74 | | -int hfi1_mmu_rb_register(void *ops_arg, struct mm_struct *mm, |
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| 76 | +struct mmu_rb_handler { |
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| 77 | + struct mmu_notifier mn; |
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| 78 | + struct rb_root_cached root; |
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| 79 | + void *ops_arg; |
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| 80 | + spinlock_t lock; /* protect the RB tree */ |
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| 81 | + struct mmu_rb_ops *ops; |
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| 82 | + struct list_head lru_list; |
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| 83 | + struct work_struct del_work; |
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| 84 | + struct list_head del_list; |
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| 85 | + struct workqueue_struct *wq; |
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| 86 | +}; |
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| 87 | + |
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| 88 | +int hfi1_mmu_rb_register(void *ops_arg, |
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75 | 89 | struct mmu_rb_ops *ops, |
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76 | 90 | struct workqueue_struct *wq, |
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77 | 91 | struct mmu_rb_handler **handler); |
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