cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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falloc.h (1624B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _FALLOC_H_
      3#define _FALLOC_H_
      4
      5#include <uapi/linux/falloc.h>
      6
      7
      8/*
      9 * Space reservation ioctls and argument structure
     10 * are designed to be compatible with the legacy XFS ioctls.
     11 */
     12struct space_resv {
     13	__s16		l_type;
     14	__s16		l_whence;
     15	__s64		l_start;
     16	__s64		l_len;		/* len == 0 means until end of file */
     17	__s32		l_sysid;
     18	__u32		l_pid;
     19	__s32		l_pad[4];	/* reserved area */
     20};
     21
     22#define FS_IOC_RESVSP		_IOW('X', 40, struct space_resv)
     23#define FS_IOC_UNRESVSP		_IOW('X', 41, struct space_resv)
     24#define FS_IOC_RESVSP64		_IOW('X', 42, struct space_resv)
     25#define FS_IOC_UNRESVSP64	_IOW('X', 43, struct space_resv)
     26#define FS_IOC_ZERO_RANGE	_IOW('X', 57, struct space_resv)
     27
     28#define	FALLOC_FL_SUPPORTED_MASK	(FALLOC_FL_KEEP_SIZE |		\
     29					 FALLOC_FL_PUNCH_HOLE |		\
     30					 FALLOC_FL_COLLAPSE_RANGE |	\
     31					 FALLOC_FL_ZERO_RANGE |		\
     32					 FALLOC_FL_INSERT_RANGE |	\
     33					 FALLOC_FL_UNSHARE_RANGE)
     34
     35/* on ia32 l_start is on a 32-bit boundary */
     36#if defined(CONFIG_X86_64)
     37struct space_resv_32 {
     38	__s16		l_type;
     39	__s16		l_whence;
     40	__s64		l_start	__attribute__((packed));
     41			/* len == 0 means until end of file */
     42	__s64		l_len __attribute__((packed));
     43	__s32		l_sysid;
     44	__u32		l_pid;
     45	__s32		l_pad[4];	/* reserve area */
     46};
     47
     48#define FS_IOC_RESVSP_32	_IOW ('X', 40, struct space_resv_32)
     49#define FS_IOC_UNRESVSP_32	_IOW ('X', 41, struct space_resv_32)
     50#define FS_IOC_RESVSP64_32	_IOW ('X', 42, struct space_resv_32)
     51#define FS_IOC_UNRESVSP64_32	_IOW ('X', 43, struct space_resv_32)
     52#define FS_IOC_ZERO_RANGE_32	_IOW ('X', 57, struct space_resv_32)
     53
     54#endif
     55
     56#endif /* _FALLOC_H_ */