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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | #ifndef _LINUX_IOREMAP_H |
3 | #define _LINUX_IOREMAP_H |
4 | |
5 | #include <linux/kasan.h> |
6 | #include <asm/pgtable.h> |
7 | |
8 | #if defined(CONFIG_HAS_IOMEM) || defined(CONFIG_GENERIC_IOREMAP) |
9 | /* |
10 | * Ioremap often, but not always uses the generic vmalloc area. E.g on |
11 | * Power ARCH, it could have different ioremap space. |
12 | */ |
13 | #ifndef IOREMAP_START |
14 | #define IOREMAP_START VMALLOC_START |
15 | #define IOREMAP_END VMALLOC_END |
16 | #endif |
17 | static inline bool is_ioremap_addr(const void *x) |
18 | { |
19 | unsigned long addr = (unsigned long)kasan_reset_tag(x); |
20 | |
21 | return addr >= IOREMAP_START && addr < IOREMAP_END; |
22 | } |
23 | #else |
24 | static inline bool is_ioremap_addr(const void *x) |
25 | { |
26 | return false; |
27 | } |
28 | #endif |
29 | |
30 | #endif /* _LINUX_IOREMAP_H */ |
31 |
Warning: This file is not a C or C++ file. It does not have highlighting.