1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * 4 * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved. 5 * 6 * useful functions for debugging 7 */ 8 9 // clang-format off 10 #ifndef Add2Ptr 11 #define Add2Ptr(P, I) ((void *)((u8 *)(P) + (I))) 12 #define PtrOffset(B, O) ((size_t)((size_t)(O) - (size_t)(B))) 13 #endif 14 15 #define QuadAlign(n) (((n) + 7u) & (~7u)) 16 #define IsQuadAligned(n) (!((size_t)(n)&7u)) 17 #define Quad2Align(n) (((n) + 15u) & (~15u)) 18 #define IsQuad2Aligned(n) (!((size_t)(n)&15u)) 19 #define Quad4Align(n) (((n) + 31u) & (~31u)) 20 #define IsSizeTAligned(n) (!((size_t)(n) & (sizeof(size_t) - 1))) 21 #define DwordAlign(n) (((n) + 3u) & (~3u)) 22 #define IsDwordAligned(n) (!((size_t)(n)&3u)) 23 #define WordAlign(n) (((n) + 1u) & (~1u)) 24 #define IsWordAligned(n) (!((size_t)(n)&1u)) 25 26 #ifdef CONFIG_PRINTK 27 __printf(2, 3) 28 void ntfs_printk(const struct super_block *sb, const char *fmt, ...); 29 __printf(2, 3) 30 void ntfs_inode_printk(struct inode *inode, const char *fmt, ...); 31 #else 32 static inline __printf(2, 3) 33 void ntfs_printk(const struct super_block *sb, const char *fmt, ...) 34 { 35 } 36 37 static inline __printf(2, 3) 38 void ntfs_inode_printk(struct inode *inode, const char *fmt, ...) 39 { 40 } 41 #endif 42 43 /* 44 * Logging macros ( thanks Joe Perches <joe@perches.com> for implementation ) 45 */ 46 47 #define ntfs_err(sb, fmt, ...) ntfs_printk(sb, KERN_ERR fmt, ##__VA_ARGS__) 48 #define ntfs_warn(sb, fmt, ...) ntfs_printk(sb, KERN_WARNING fmt, ##__VA_ARGS__) 49 #define ntfs_info(sb, fmt, ...) ntfs_printk(sb, KERN_INFO fmt, ##__VA_ARGS__) 50 #define ntfs_notice(sb, fmt, ...) \ 51 ntfs_printk(sb, KERN_NOTICE fmt, ##__VA_ARGS__) 52 53 #define ntfs_inode_err(inode, fmt, ...) \ 54 ntfs_inode_printk(inode, KERN_ERR fmt, ##__VA_ARGS__) 55 #define ntfs_inode_warn(inode, fmt, ...) \ 56 ntfs_inode_printk(inode, KERN_WARNING fmt, ##__VA_ARGS__) 57 58 #define ntfs_malloc(s) kmalloc(s, GFP_NOFS) 59 #define ntfs_zalloc(s) kzalloc(s, GFP_NOFS) 60 #define ntfs_vmalloc(s) kvmalloc(s, GFP_KERNEL) 61 #define ntfs_free(p) kfree(p) 62 #define ntfs_vfree(p) kvfree(p) 63 #define ntfs_memdup(src, len) kmemdup(src, len, GFP_NOFS) 64 // clang-format on 65