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/*
* support.h - Header file for specific support.c
*
* Copyright (C) 1997 Régis Duchesne
* Copyright (c) 2001 Anton Altaparmakov (AIA)
*/
/* Debug levels */
#define DEBUG_OTHER 1
#define DEBUG_MALLOC 2
#define DEBUG_BSD 4
#define DEBUG_LINUX 8
#define DEBUG_DIR1 16
#define DEBUG_DIR2 32
#define DEBUG_DIR3 64
#define DEBUG_FILE1 128
#define DEBUG_FILE2 256
#define DEBUG_FILE3 512
#define DEBUG_NAME1 1024
#define DEBUG_NAME2 2048
#ifdef DEBUG
void ntfs_debug(int mask, const char *fmt, ...);
#else
#define ntfs_debug(mask, fmt...) do {} while (0)
#endif
#include <linux/slab.h>
#include <linux/vmalloc.h>
#define ntfs_malloc(size) kmalloc(size, GFP_KERNEL)
#define ntfs_free(ptr) kfree(ptr)
/**
* ntfs_vmalloc - allocate memory in multiples of pages
* @size number of bytes to allocate
*
* Allocates @size bytes of memory, rounded up to multiples of PAGE_SIZE and
* returns a pointer to the allocated memory.
*
* If there was insufficient memory to complete the request, return NULL.
*/
static inline void *ntfs_vmalloc(unsigned long size)
{
if (size <= PAGE_SIZE) {
if (size) {
/* kmalloc() has per-CPU caches so if faster for now. */
return kmalloc(PAGE_SIZE, GFP_NOFS);
/* return (void *)__get_free_page(GFP_NOFS |
__GFP_HIGHMEM); */
}
BUG();
}
if (size >> PAGE_SHIFT < num_physpages)
return __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM, PAGE_KERNEL);
return NULL;
}
static inline void ntfs_vfree(void *addr)
{
if ((unsigned long)addr < VMALLOC_START) {
return kfree(addr);
/* return free_page((unsigned long)addr); */
}
vfree(addr);
}
void ntfs_bzero(void *s, int n);
void ntfs_memcpy(void *dest, const void *src, ntfs_size_t n);
void ntfs_memmove(void *dest, const void *src, ntfs_size_t n);
void ntfs_error(const char *fmt,...);
int ntfs_read_mft_record(ntfs_volume *vol, int mftno, char *buf);
int ntfs_getput_clusters(ntfs_volume *pvol, int cluster, ntfs_size_t offs,
ntfs_io *buf);
ntfs_time64_t ntfs_now(void);
int ntfs_dupuni2map(ntfs_volume *vol, ntfs_u16 *in, int in_len, char **out,
int *out_len);
int ntfs_dupmap2uni(ntfs_volume *vol, char* in, int in_len, ntfs_u16 **out,
int *out_len);
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