Commit | Line | Data |
---|---|---|
58ccf019 JM |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* | |
3 | * Copyright (c) 2022, Oracle and/or its affiliates. | |
4 | * Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved | |
5 | */ | |
6 | #ifndef _IOVA_BITMAP_H_ | |
7 | #define _IOVA_BITMAP_H_ | |
8 | ||
9 | #include <linux/types.h> | |
10 | ||
11 | struct iova_bitmap; | |
12 | ||
13 | typedef int (*iova_bitmap_fn_t)(struct iova_bitmap *bitmap, | |
14 | unsigned long iova, size_t length, | |
15 | void *opaque); | |
16 | ||
17 | struct iova_bitmap *iova_bitmap_alloc(unsigned long iova, size_t length, | |
18 | unsigned long page_size, | |
19 | u64 __user *data); | |
20 | void iova_bitmap_free(struct iova_bitmap *bitmap); | |
21 | int iova_bitmap_for_each(struct iova_bitmap *bitmap, void *opaque, | |
22 | iova_bitmap_fn_t fn); | |
23 | void iova_bitmap_set(struct iova_bitmap *bitmap, | |
24 | unsigned long iova, size_t length); | |
25 | ||
26 | #endif |