1 #ifndef __ASM_ARM_TYPES_H 2 #define __ASM_ARM_TYPES_H 3 4 typedef unsigned short umode_t; 5 6 /* 7 * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the 8 * header files exported to user space 9 */ 10 11 typedef __signed__ char __s8; 12 typedef unsigned char __u8; 13 14 typedef __signed__ short __s16; 15 typedef unsigned short __u16; 16 17 typedef __signed__ int __s32; 18 typedef unsigned int __u32; 19 20 #if defined(__GNUC__) 21 __extension__ typedef __signed__ long long __s64; 22 __extension__ typedef unsigned long long __u64; 23 #endif 24 25 /* 26 * These aren't exported outside the kernel to avoid name space clashes 27 */ 28 #ifdef __KERNEL__ 29 30 typedef signed char s8; 31 typedef unsigned char u8; 32 33 typedef signed short s16; 34 typedef unsigned short u16; 35 36 typedef signed int s32; 37 typedef unsigned int u32; 38 39 typedef signed long long s64; 40 typedef unsigned long long u64; 41 42 #ifdef CONFIG_ARM64 43 #define BITS_PER_LONG 64 44 #else /* CONFIG_ARM64 */ 45 #define BITS_PER_LONG 32 46 #endif /* CONFIG_ARM64 */ 47 48 #ifdef CONFIG_PHYS_64BIT 49 typedef unsigned long long phys_addr_t; 50 typedef unsigned long long phys_size_t; 51 #else 52 /* DMA addresses are 32-bits wide */ 53 typedef unsigned long phys_addr_t; 54 typedef unsigned long phys_size_t; 55 #endif 56 57 /* 58 * A dma_addr_t can hold any valid DMA address, i.e., any address returned 59 * by the DMA API. 60 * 61 * If the DMA API only uses 32-bit addresses, dma_addr_t need only be 32 62 * bits wide. Bus addresses, e.g., PCI BARs, may be wider than 32 bits, 63 * but drivers do memory-mapped I/O to ioremapped kernel virtual addresses, 64 * so they don't care about the size of the actual bus addresses. 65 */ 66 #ifdef CONFIG_DMA_ADDR_T_64BIT 67 typedef unsigned long long dma_addr_t; 68 #else 69 typedef u32 dma_addr_t; 70 #endif 71 72 #endif /* __KERNEL__ */ 73 74 #endif 75