1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* Copyright(c) 2007 - 2011 Realtek Corporation. */ 3 4 #ifndef __BASIC_TYPES_H__ 5 #define __BASIC_TYPES_H__ 6 7 #define SUCCESS 0 8 #define FAIL (-1) 9 10 #include <linux/types.h> 11 #define NDIS_OID uint 12 13 typedef void (*proc_t)(void *); 14 15 #define FIELD_OFFSET(s, field) ((ssize_t)&((s *)(0))->field) 16 17 #define MEM_ALIGNMENT_OFFSET (sizeof(size_t)) 18 #define MEM_ALIGNMENT_PADDING (sizeof(size_t) - 1) 19 20 /* port from fw */ 21 /* TODO: Macros Below are Sync from SD7-Driver. It is necessary 22 * to check correctness */ 23 24 /* 25 * Call endian free function when 26 * 1. Read/write packet content. 27 * 2. Before write integer to IO. 28 * 3. After read integer from IO. 29 */ 30 31 /* Convert little data endian to host ordering */ 32 #define EF1BYTE(_val) \ 33 ((u8)(_val)) 34 #define EF2BYTE(_val) \ 35 (le16_to_cpu(_val)) 36 #define EF4BYTE(_val) \ 37 (le32_to_cpu(_val)) 38 39 /* Read data from memory */ 40 #define READEF1BYTE(_ptr) \ 41 EF1BYTE(*((u8 *)(_ptr))) 42 /* Read le16 data from memory and convert to host ordering */ 43 #define READEF2BYTE(_ptr) \ 44 EF2BYTE(*(_ptr)) 45 #define READEF4BYTE(_ptr) \ 46 EF4BYTE(*(_ptr)) 47 48 /* Write data to memory */ 49 #define WRITEEF1BYTE(_ptr, _val) \ 50 do { \ 51 (*((u8 *)(_ptr))) = EF1BYTE(_val) \ 52 } while (0) 53 /* Write le data to memory in host ordering */ 54 #define WRITEEF2BYTE(_ptr, _val) \ 55 do { \ 56 (*((u16 *)(_ptr))) = EF2BYTE(_val) \ 57 } while (0) 58 59 #define WRITEEF4BYTE(_ptr, _val) \ 60 do { \ 61 (*((u32 *)(_ptr))) = EF2BYTE(_val) \ 62 } while (0) 63 64 /* Create a bit mask 65 * Examples: 66 * BIT_LEN_MASK_32(0) => 0x00000000 67 * BIT_LEN_MASK_32(1) => 0x00000001 68 * BIT_LEN_MASK_32(2) => 0x00000003 69 * BIT_LEN_MASK_32(32) => 0xFFFFFFFF 70 */ 71 #define BIT_LEN_MASK_32(__bitlen) \ 72 (0xFFFFFFFF >> (32 - (__bitlen))) 73 #define BIT_LEN_MASK_16(__bitlen) \ 74 (0xFFFF >> (16 - (__bitlen))) 75 #define BIT_LEN_MASK_8(__bitlen) \ 76 (0xFF >> (8 - (__bitlen))) 77 78 /* Create an offset bit mask 79 * Examples: 80 * BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003 81 * BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000 82 */ 83 #define BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen) \ 84 (BIT_LEN_MASK_32(__bitlen) << (__bitoffset)) 85 #define BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen) \ 86 (BIT_LEN_MASK_16(__bitlen) << (__bitoffset)) 87 #define BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen) \ 88 (BIT_LEN_MASK_8(__bitlen) << (__bitoffset)) 89 90 /*Description: 91 * Return 4-byte value in host byte ordering from 92 * 4-byte pointer in little-endian system. 93 */ 94 #define LE_P4BYTE_TO_HOST_4BYTE(__pstart) \ 95 (EF4BYTE(*((__le32 *)(__pstart)))) 96 #define LE_P2BYTE_TO_HOST_2BYTE(__pstart) \ 97 (EF2BYTE(*((__le16 *)(__pstart)))) 98 #define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \ 99 (EF1BYTE(*((u8 *)(__pstart)))) 100 101 /*Description: 102 Translate subfield (continuous bits in little-endian) of 4-byte 103 value to host byte ordering.*/ 104 #define LE_BITS_TO_4BYTE(__pstart, __bitoffset, __bitlen) \ 105 ( \ 106 (LE_P4BYTE_TO_HOST_4BYTE(__pstart) >> (__bitoffset)) & \ 107 BIT_LEN_MASK_32(__bitlen) \ 108 ) 109 #define LE_BITS_TO_2BYTE(__pstart, __bitoffset, __bitlen) \ 110 ( \ 111 (LE_P2BYTE_TO_HOST_2BYTE(__pstart) >> (__bitoffset)) & \ 112 BIT_LEN_MASK_16(__bitlen) \ 113 ) 114 #define LE_BITS_TO_1BYTE(__pstart, __bitoffset, __bitlen) \ 115 ( \ 116 (LE_P1BYTE_TO_HOST_1BYTE(__pstart) >> (__bitoffset)) & \ 117 BIT_LEN_MASK_8(__bitlen) \ 118 ) 119 120 #define N_BYTE_ALIGMENT(__value, __aligment) ((__aligment == 1) ? \ 121 (__value) : (((__value + __aligment - 1) / __aligment) * __aligment)) 122 123 #endif /* __BASIC_TYPES_H__ */ 124
