zfs/include/sys/generic.h

75 lines
2.0 KiB
C

#ifndef _SPL_GENERIC_H
#define _SPL_GENERIC_H
#ifdef __cplusplus
extern "C" {
#endif
#include <linux/module.h>
/* Missing defines.
*/
#define INT32_MAX INT_MAX
#define UINT64_MAX (~0ULL)
#define NBBY 8
#define ENOTSUP ENOTSUPP
#define MAXNAMELEN 256
#define MAXPATHLEN PATH_MAX
#define __va_list va_list
#define _KERNEL __KERNEL__
#define max_ncpus 64
/* 0..MAX_PRIO-1: Process priority
* 0..MAX_RT_PRIO-1: RT priority tasks
* MAX_RT_PRIO..MAX_PRIO-1: SCHED_NORMAL tasks
*
* Treat shim tasks as SCHED_NORMAL tasks
*/
#define minclsyspri (MAX_RT_PRIO)
#define maxclsyspri (MAX_PRIO-1)
#define NICE_TO_PRIO(nice) (MAX_RT_PRIO + (nice) + 20)
#define PRIO_TO_NICE(prio) ((prio) - MAX_RT_PRIO - 20)
#define kred NULL
#define FREAD 1
#define FWRITE 2
#define FCREAT O_CREAT
#define FTRUNC O_TRUNC
#define FOFFMAX O_LARGEFILE
#define FSYNC O_SYNC
#define FDSYNC O_DSYNC
#define FRSYNC O_RSYNC
#define FEXCL O_EXCL
#define FNODSYNC 0x10000 /* fsync pseudo flag */
#define FNOFOLLOW 0x20000 /* don't follow symlinks */
/* Missing macros
*/
#define PAGESIZE PAGE_SIZE
/* from Solaris sys/byteorder.h */
#define BSWAP_8(x) ((x) & 0xff)
#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16))
#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
/* Map some simple functions.
*/
#define bzero(ptr,size) memset(ptr,0,size)
#define bcopy(src,dest,size) memcpy(dest,src,size)
#define ASSERT(x) BUG_ON(!(x))
#define ASSERT3U(left,OP,right) BUG_ON(!((left) OP (right)))
/* Missing globals
*/
extern int p0;
#ifdef __cplusplus
}
#endif
#endif /* _SPL_GENERIC_H */