projects / deliverable / linux.git / blame
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|---|---|---|
| 06e0ffa6 MH |
1 | /* |
| 2 | * Copyright(c) 2016 Intel Corporation. | |
| 3 | * | |
| 4 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
| 5 | * redistributing this file, you may do so under either license. | |
| 6 | * | |
| 7 | * GPL LICENSE SUMMARY | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of version 2 of the GNU General Public License as | |
| 11 | * published by the Free Software Foundation. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, but | |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | * General Public License for more details. | |
| 17 | * | |
| 18 | * BSD LICENSE | |
| 19 | * | |
| 20 | * Redistribution and use in source and binary forms, with or without | |
| 21 | * modification, are permitted provided that the following conditions | |
| 22 | * are met: | |
| 23 | * | |
| 24 | * - Redistributions of source code must retain the above copyright | |
| 25 | * notice, this list of conditions and the following disclaimer. | |
| 26 | * - Redistributions in binary form must reproduce the above copyright | |
| 27 | * notice, this list of conditions and the following disclaimer in | |
| 28 | * the documentation and/or other materials provided with the | |
| 29 | * distribution. | |
| 30 | * - Neither the name of Intel Corporation nor the names of its | |
| 31 | * contributors may be used to endorse or promote products derived | |
| 32 | * from this software without specific prior written permission. | |
| 33 | * | |
| 34 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 35 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 36 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 37 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 38 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 39 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 40 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 41 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 42 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 43 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 44 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 45 | * | |
| 46 | */ | |
| 47 | #ifndef _HFI1_MMU_RB_H | |
| 48 | #define _HFI1_MMU_RB_H | |
| 49 | ||
| 50 | #include "hfi.h" | |
| 51 | ||
| 52 | struct mmu_rb_node { | |
| 06e0ffa6 MH |
53 | unsigned long addr; |
| 54 | unsigned long len; | |
| df5a00f8 MH |
55 | unsigned long __last; |
| 56 | struct rb_node node; | |
| 06e0ffa6 MH |
57 | }; |
| 58 | ||
| 59 | struct mmu_rb_ops { | |
| 0f310a00 | 60 | bool (*filter)(struct mmu_rb_node *, unsigned long, unsigned long); |
| 06e0ffa6 | 61 | int (*insert)(struct rb_root *, struct mmu_rb_node *); |
| f19bd643 MH |
62 | void (*remove)(struct rb_root *, struct mmu_rb_node *, |
| 63 | struct mm_struct *); | |
| 06e0ffa6 MH |
64 | int (*invalidate)(struct rb_root *, struct mmu_rb_node *); |
| 65 | }; | |
| 66 | ||
| 67 | int hfi1_mmu_rb_register(struct rb_root *root, struct mmu_rb_ops *ops); | |
| 68 | void hfi1_mmu_rb_unregister(struct rb_root *); | |
| 69 | int hfi1_mmu_rb_insert(struct rb_root *, struct mmu_rb_node *); | |
| 70 | void hfi1_mmu_rb_remove(struct rb_root *, struct mmu_rb_node *); | |
| 71 | struct mmu_rb_node *hfi1_mmu_rb_search(struct rb_root *, unsigned long, | |
| 72 | unsigned long); | |
| 73 | ||
| 74 | #endif /* _HFI1_MMU_RB_H */ |