1#ifndef __ASM_ARM_TYPES_H
2#define __ASM_ARM_TYPES_H
3
4#include <asm-generic/int-ll64.h>
5
6typedef unsigned short umode_t;
7
8/*
9 * These aren't exported outside the kernel to avoid name space clashes
10 */
11#ifdef __KERNEL__
12
13#ifdef	CONFIG_ARM64
14#define BITS_PER_LONG 64
15#else	/* CONFIG_ARM64 */
16#define BITS_PER_LONG 32
17#endif	/* CONFIG_ARM64 */
18
19#ifdef CONFIG_PHYS_64BIT
20typedef unsigned long long phys_addr_t;
21typedef unsigned long long phys_size_t;
22#else
23/* DMA addresses are 32-bits wide */
24typedef unsigned long phys_addr_t;
25typedef unsigned long phys_size_t;
26#endif
27
28/*
29 * A dma_addr_t can hold any valid DMA address, i.e., any address returned
30 * by the DMA API.
31 *
32 * If the DMA API only uses 32-bit addresses, dma_addr_t need only be 32
33 * bits wide.  Bus addresses, e.g., PCI BARs, may be wider than 32 bits,
34 * but drivers do memory-mapped I/O to ioremapped kernel virtual addresses,
35 * so they don't care about the size of the actual bus addresses.
36 */
37#ifdef CONFIG_DMA_ADDR_T_64BIT
38typedef unsigned long long dma_addr_t;
39#else
40typedef u32 dma_addr_t;
41#endif
42
43#endif /* __KERNEL__ */
44
45#endif
46