Linux kernel mirror (for testing)
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1/*
2 * include/asm-s390/types.h
3 *
4 * S390 version
5 *
6 * Derived from "include/asm-i386/types.h"
7 */
8
9#ifndef _S390_TYPES_H
10#define _S390_TYPES_H
11
12#ifndef __s390x__
13# include <asm-generic/int-ll64.h>
14#else
15# include <asm-generic/int-l64.h>
16#endif
17
18#ifndef __ASSEMBLY__
19
20typedef unsigned short umode_t;
21
22/* A address type so that arithmetic can be done on it & it can be upgraded to
23 64 bit when necessary
24*/
25typedef unsigned long addr_t;
26typedef __signed__ long saddr_t;
27
28#endif /* __ASSEMBLY__ */
29
30/*
31 * These aren't exported outside the kernel to avoid name space clashes
32 */
33#ifdef __KERNEL__
34
35#ifndef __s390x__
36#define BITS_PER_LONG 32
37#else
38#define BITS_PER_LONG 64
39#endif
40
41#ifndef __ASSEMBLY__
42
43typedef u64 dma64_addr_t;
44#ifdef __s390x__
45/* DMA addresses come in 32-bit and 64-bit flavours. */
46typedef u64 dma_addr_t;
47#else
48typedef u32 dma_addr_t;
49#endif
50
51#ifndef __s390x__
52typedef union {
53 unsigned long long pair;
54 struct {
55 unsigned long even;
56 unsigned long odd;
57 } subreg;
58} register_pair;
59
60#endif /* ! __s390x__ */
61#endif /* __ASSEMBLY__ */
62#endif /* __KERNEL__ */
63#endif /* _S390_TYPES_H */