[XFS] Fix merge failures
[pandora-kernel.git] / fs / xfs / linux-2.6 / xfs_ioctl32.h
index 8bdb33f..1024c4f 100644 (file)
 #ifndef __XFS_IOCTL32_H__
 #define __XFS_IOCTL32_H__
 
-extern long xfs_file_compat_ioctl(struct file *, unsigned, unsigned long);
-extern long xfs_file_compat_invis_ioctl(struct file *, unsigned, unsigned);
+#include <linux/compat.h>
+
+/*
+ * on 32-bit arches, ioctl argument structures may have different sizes
+ * and/or alignment.  We define compat structures which match the
+ * 32-bit sizes/alignments here, and their associated ioctl numbers.
+ *
+ * xfs_ioctl32.c contains routines to copy these structures in and out.
+ */
+
+/* stock kernel-level ioctls we support */
+#define XFS_IOC_GETXFLAGS_32   FS_IOC32_GETFLAGS
+#define XFS_IOC_SETXFLAGS_32   FS_IOC32_SETFLAGS
+#define XFS_IOC_GETVERSION_32  FS_IOC32_GETVERSION
+
+/*
+ * On intel, even if sizes match, alignment and/or padding may differ.
+ */
+#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+#define BROKEN_X86_ALIGNMENT
+#define __compat_packed __attribute__((packed))
+#else
+#define __compat_packed
+#endif
+
+typedef struct compat_xfs_bstime {
+       compat_time_t   tv_sec;         /* seconds              */
+       __s32           tv_nsec;        /* and nanoseconds      */
+} compat_xfs_bstime_t;
+
+typedef struct compat_xfs_bstat {
+       __u64           bs_ino;         /* inode number                 */
+       __u16           bs_mode;        /* type and mode                */
+       __u16           bs_nlink;       /* number of links              */
+       __u32           bs_uid;         /* user id                      */
+       __u32           bs_gid;         /* group id                     */
+       __u32           bs_rdev;        /* device value                 */
+       __s32           bs_blksize;     /* block size                   */
+       __s64           bs_size;        /* file size                    */
+       compat_xfs_bstime_t bs_atime;   /* access time                  */
+       compat_xfs_bstime_t bs_mtime;   /* modify time                  */
+       compat_xfs_bstime_t bs_ctime;   /* inode change time            */
+       int64_t         bs_blocks;      /* number of blocks             */
+       __u32           bs_xflags;      /* extended flags               */
+       __s32           bs_extsize;     /* extent size                  */
+       __s32           bs_extents;     /* number of extents            */
+       __u32           bs_gen;         /* generation count             */
+       __u16           bs_projid;      /* project id                   */
+       unsigned char   bs_pad[14];     /* pad space, unused            */
+       __u32           bs_dmevmask;    /* DMIG event mask              */
+       __u16           bs_dmstate;     /* DMIG state info              */
+       __u16           bs_aextents;    /* attribute number of extents  */
+} __compat_packed compat_xfs_bstat_t;
+
+typedef struct compat_xfs_fsop_bulkreq {
+       compat_uptr_t   lastip;         /* last inode # pointer         */
+       __s32           icount;         /* count of entries in buffer   */
+       compat_uptr_t   ubuffer;        /* user buffer for inode desc.  */
+       compat_uptr_t   ocount;         /* output count pointer         */
+} compat_xfs_fsop_bulkreq_t;
+
+#define XFS_IOC_FSBULKSTAT_32 \
+       _IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
+#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
+       _IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
+#define XFS_IOC_FSINUMBERS_32 \
+       _IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
+
+typedef struct compat_xfs_fsop_handlereq {
+       __u32           fd;             /* fd for FD_TO_HANDLE          */
+       compat_uptr_t   path;           /* user pathname                */
+       __u32           oflags;         /* open flags                   */
+       compat_uptr_t   ihandle;        /* user supplied handle         */
+       __u32           ihandlen;       /* user supplied length         */
+       compat_uptr_t   ohandle;        /* user buffer for handle       */
+       compat_uptr_t   ohandlen;       /* user buffer length           */
+} compat_xfs_fsop_handlereq_t;
+
+#define XFS_IOC_PATH_TO_FSHANDLE_32 \
+       _IOWR('X', 104, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_PATH_TO_HANDLE_32 \
+       _IOWR('X', 105, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_FD_TO_HANDLE_32 \
+       _IOWR('X', 106, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_OPEN_BY_HANDLE_32 \
+       _IOWR('X', 107, struct compat_xfs_fsop_handlereq)
+#define XFS_IOC_READLINK_BY_HANDLE_32 \
+       _IOWR('X', 108, struct compat_xfs_fsop_handlereq)
+
+/* The bstat field in the swapext struct needs translation */
+typedef struct compat_xfs_swapext {
+       __int64_t               sx_version;     /* version */
+       __int64_t               sx_fdtarget;    /* fd of target file */
+       __int64_t               sx_fdtmp;       /* fd of tmp file */
+       xfs_off_t               sx_offset;      /* offset into file */
+       xfs_off_t               sx_length;      /* leng from offset */
+       char                    sx_pad[16];     /* pad space, unused */
+       compat_xfs_bstat_t      sx_stat;        /* stat of target b4 copy */
+} __compat_packed compat_xfs_swapext_t;
+
+#define XFS_IOC_SWAPEXT_32     _IOWR('X', 109, struct compat_xfs_swapext)
+
+typedef struct compat_xfs_fsop_attrlist_handlereq {
+       struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
+       struct xfs_attrlist_cursor      pos; /* opaque cookie, list offset */
+       __u32                           flags;  /* which namespace to use */
+       __u32                           buflen; /* length of buffer supplied */
+       compat_uptr_t                   buffer; /* returned names */
+} __compat_packed compat_xfs_fsop_attrlist_handlereq_t;
+
+/* Note: actually this is read/write */
+#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \
+       _IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq)
+
+/* am_opcodes defined in xfs_fs.h */
+typedef struct compat_xfs_attr_multiop {
+       __u32           am_opcode;
+       __s32           am_error;
+       compat_uptr_t   am_attrname;
+       compat_uptr_t   am_attrvalue;
+       __u32           am_length;
+       __u32           am_flags;
+} compat_xfs_attr_multiop_t;
+
+typedef struct compat_xfs_fsop_attrmulti_handlereq {
+       struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
+       __u32                           opcount;/* count of following multiop */
+       /* ptr to compat_xfs_attr_multiop */
+       compat_uptr_t                   ops; /* attr_multi data */
+} compat_xfs_fsop_attrmulti_handlereq_t;
+
+#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
+       _IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
+
+typedef struct compat_xfs_fsop_setdm_handlereq {
+       struct compat_xfs_fsop_handlereq hreq;  /* handle information   */
+       /* ptr to struct fsdmidata */
+       compat_uptr_t                   data;   /* DMAPI data   */
+} compat_xfs_fsop_setdm_handlereq_t;
+
+#define XFS_IOC_FSSETDM_BY_HANDLE_32 \
+       _IOW('X', 121, struct compat_xfs_fsop_setdm_handlereq)
+
+#ifdef BROKEN_X86_ALIGNMENT
+/* on ia32 l_start is on a 32-bit boundary */
+typedef struct compat_xfs_flock64 {
+       __s16           l_type;
+       __s16           l_whence;
+       __s64           l_start __attribute__((packed));
+                       /* len == 0 means until end of file */
+       __s64           l_len __attribute__((packed));
+       __s32           l_sysid;
+       __u32           l_pid;
+       __s32           l_pad[4];       /* reserve area */
+} compat_xfs_flock64_t;
+
+#define XFS_IOC_ALLOCSP_32     _IOW('X', 10, struct compat_xfs_flock64)
+#define XFS_IOC_FREESP_32      _IOW('X', 11, struct compat_xfs_flock64)
+#define XFS_IOC_ALLOCSP64_32   _IOW('X', 36, struct compat_xfs_flock64)
+#define XFS_IOC_FREESP64_32    _IOW('X', 37, struct compat_xfs_flock64)
+#define XFS_IOC_RESVSP_32      _IOW('X', 40, struct compat_xfs_flock64)
+#define XFS_IOC_UNRESVSP_32    _IOW('X', 41, struct compat_xfs_flock64)
+#define XFS_IOC_RESVSP64_32    _IOW('X', 42, struct compat_xfs_flock64)
+#define XFS_IOC_UNRESVSP64_32  _IOW('X', 43, struct compat_xfs_flock64)
+
+typedef struct compat_xfs_fsop_geom_v1 {
+       __u32           blocksize;      /* filesystem (data) block size */
+       __u32           rtextsize;      /* realtime extent size         */
+       __u32           agblocks;       /* fsblocks in an AG            */
+       __u32           agcount;        /* number of allocation groups  */
+       __u32           logblocks;      /* fsblocks in the log          */
+       __u32           sectsize;       /* (data) sector size, bytes    */
+       __u32           inodesize;      /* inode size in bytes          */
+       __u32           imaxpct;        /* max allowed inode space(%)   */
+       __u64           datablocks;     /* fsblocks in data subvolume   */
+       __u64           rtblocks;       /* fsblocks in realtime subvol  */
+       __u64           rtextents;      /* rt extents in realtime subvol*/
+       __u64           logstart;       /* starting fsblock of the log  */
+       unsigned char   uuid[16];       /* unique id of the filesystem  */
+       __u32           sunit;          /* stripe unit, fsblocks        */
+       __u32           swidth;         /* stripe width, fsblocks       */
+       __s32           version;        /* structure version            */
+       __u32           flags;          /* superblock version flags     */
+       __u32           logsectsize;    /* log sector size, bytes       */
+       __u32           rtsectsize;     /* realtime sector size, bytes  */
+       __u32           dirblocksize;   /* directory block size, bytes  */
+} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
+
+#define XFS_IOC_FSGEOMETRY_V1_32  \
+       _IOR('X', 100, struct compat_xfs_fsop_geom_v1)
+
+typedef struct compat_xfs_inogrp {
+       __u64           xi_startino;    /* starting inode number        */
+       __s32           xi_alloccount;  /* # bits set in allocmask      */
+       __u64           xi_allocmask;   /* mask of allocated inodes     */
+} __attribute__((packed)) compat_xfs_inogrp_t;
+
+/* These growfs input structures have padding on the end, so must translate */
+typedef struct compat_xfs_growfs_data {
+       __u64           newblocks;      /* new data subvol size, fsblocks */
+       __u32           imaxpct;        /* new inode space percentage limit */
+} __attribute__((packed)) compat_xfs_growfs_data_t;
+
+typedef struct compat_xfs_growfs_rt {
+       __u64           newblocks;      /* new realtime size, fsblocks */
+       __u32           extsize;        /* new realtime extent size, fsblocks */
+} __attribute__((packed)) compat_xfs_growfs_rt_t;
+
+#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data)
+#define XFS_IOC_FSGROWFSRT_32   _IOW('X', 112, struct compat_xfs_growfs_rt)
+
+#endif /* BROKEN_X86_ALIGNMENT */
 
 #endif /* __XFS_IOCTL32_H__ */