OSCL-LXR linux-6.0.1/​fs/​vboxsf/​shfl_hostintf.h	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 /* SPDX-License-Identifier: MIT */
 /*
  * VirtualBox Shared Folders: host interface definition.
  *
  * Copyright (C) 2006-2018 Oracle Corporation
  */
 
 #ifndef SHFL_HOSTINTF_H
 #define SHFL_HOSTINTF_H
 
 #include <linux/vbox_vmmdev_types.h>
 
 /* The max in/out buffer size for a FN_READ or FN_WRITE call */
 #define SHFL_MAX_RW_COUNT           (16 * SZ_1M)
 
 /*
  * Structures shared between guest and the service
  * can be relocated and use offsets to point to variable
  * length parts.
  *
  * Shared folders protocol works with handles.
  * Before doing any action on a file system object,
  * one have to obtain the object handle via a SHFL_FN_CREATE
  * request. A handle must be closed with SHFL_FN_CLOSE.
  */
 
 enum {
     SHFL_FN_QUERY_MAPPINGS = 1, /* Query mappings changes. */
     SHFL_FN_QUERY_MAP_NAME = 2, /* Query map name. */
     SHFL_FN_CREATE = 3,     /* Open/create object. */
     SHFL_FN_CLOSE = 4,      /* Close object handle. */
     SHFL_FN_READ = 5,       /* Read object content. */
     SHFL_FN_WRITE = 6,      /* Write new object content. */
     SHFL_FN_LOCK = 7,       /* Lock/unlock a range in the object. */
     SHFL_FN_LIST = 8,       /* List object content. */
     SHFL_FN_INFORMATION = 9,    /* Query/set object information. */
     /* Note function number 10 is not used! */
     SHFL_FN_REMOVE = 11,        /* Remove object */
     SHFL_FN_MAP_FOLDER_OLD = 12,    /* Map folder (legacy) */
     SHFL_FN_UNMAP_FOLDER = 13,  /* Unmap folder */
     SHFL_FN_RENAME = 14,        /* Rename object */
     SHFL_FN_FLUSH = 15,     /* Flush file */
     SHFL_FN_SET_UTF8 = 16,      /* Select UTF8 filename encoding */
     SHFL_FN_MAP_FOLDER = 17,    /* Map folder */
     SHFL_FN_READLINK = 18,      /* Read symlink dest (as of VBox 4.0) */
     SHFL_FN_SYMLINK = 19,       /* Create symlink (as of VBox 4.0) */
     SHFL_FN_SET_SYMLINKS = 20,  /* Ask host to show symlinks (4.0+) */
 };
 
 /* Root handles for a mapping are of type u32, Root handles are unique. */
 #define SHFL_ROOT_NIL       UINT_MAX
 
 /* Shared folders handle for an opened object are of type u64. */
 #define SHFL_HANDLE_NIL     ULLONG_MAX
 
 /* Hardcoded maximum length (in chars) of a shared folder name. */
 #define SHFL_MAX_LEN         (256)
 /* Hardcoded maximum number of shared folder mapping available to the guest. */
 #define SHFL_MAX_MAPPINGS    (64)
 
 /** Shared folder string buffer structure. */
 struct shfl_string {
     /** Allocated size of the string member in bytes. */
     u16 size;
 
     /** Length of string without trailing nul in bytes. */
     u16 length;
 
     /** UTF-8 or UTF-16 string. Nul terminated. */
     union {
         u8 utf8[2];
         u16 utf16[1];
         u16 ucs2[1]; /* misnomer, use utf16. */
     } string;
 };
 VMMDEV_ASSERT_SIZE(shfl_string, 6);
 
 /* The size of shfl_string w/o the string part. */
 #define SHFLSTRING_HEADER_SIZE  4
 
 /* Calculate size of the string. */
 static inline u32 shfl_string_buf_size(const struct shfl_string *string)
 {
     return string ? SHFLSTRING_HEADER_SIZE + string->size : 0;
 }
 
 /* Set user id on execution (S_ISUID). */
 #define SHFL_UNIX_ISUID             0004000U
 /* Set group id on execution (S_ISGID). */
 #define SHFL_UNIX_ISGID             0002000U
 /* Sticky bit (S_ISVTX / S_ISTXT). */
 #define SHFL_UNIX_ISTXT             0001000U
 
 /* Owner readable (S_IRUSR). */
 #define SHFL_UNIX_IRUSR             0000400U
 /* Owner writable (S_IWUSR). */
 #define SHFL_UNIX_IWUSR             0000200U
 /* Owner executable (S_IXUSR). */
 #define SHFL_UNIX_IXUSR             0000100U
 
 /* Group readable (S_IRGRP). */
 #define SHFL_UNIX_IRGRP             0000040U
 /* Group writable (S_IWGRP). */
 #define SHFL_UNIX_IWGRP             0000020U
 /* Group executable (S_IXGRP). */
 #define SHFL_UNIX_IXGRP             0000010U
 
 /* Other readable (S_IROTH). */
 #define SHFL_UNIX_IROTH             0000004U
 /* Other writable (S_IWOTH). */
 #define SHFL_UNIX_IWOTH             0000002U
 /* Other executable (S_IXOTH). */
 #define SHFL_UNIX_IXOTH             0000001U
 
 /* Named pipe (fifo) (S_IFIFO). */
 #define SHFL_TYPE_FIFO              0010000U
 /* Character device (S_IFCHR). */
 #define SHFL_TYPE_DEV_CHAR          0020000U
 /* Directory (S_IFDIR). */
 #define SHFL_TYPE_DIRECTORY         0040000U
 /* Block device (S_IFBLK). */
 #define SHFL_TYPE_DEV_BLOCK         0060000U
 /* Regular file (S_IFREG). */
 #define SHFL_TYPE_FILE              0100000U
 /* Symbolic link (S_IFLNK). */
 #define SHFL_TYPE_SYMLINK           0120000U
 /* Socket (S_IFSOCK). */
 #define SHFL_TYPE_SOCKET            0140000U
 /* Whiteout (S_IFWHT). */
 #define SHFL_TYPE_WHITEOUT          0160000U
 /* Type mask (S_IFMT). */
 #define SHFL_TYPE_MASK              0170000U
 
 /* Checks the mode flags indicate a directory (S_ISDIR). */
 #define SHFL_IS_DIRECTORY(m)   (((m) & SHFL_TYPE_MASK) == SHFL_TYPE_DIRECTORY)
 /* Checks the mode flags indicate a symbolic link (S_ISLNK). */
 #define SHFL_IS_SYMLINK(m)     (((m) & SHFL_TYPE_MASK) == SHFL_TYPE_SYMLINK)
 
 /** The available additional information in a shfl_fsobjattr object. */
 enum shfl_fsobjattr_add {
     /** No additional information is available / requested. */
     SHFLFSOBJATTRADD_NOTHING = 1,
     /**
      * The additional unix attributes (shfl_fsobjattr::u::unix_attr) are
      *  available / requested.
      */
     SHFLFSOBJATTRADD_UNIX,
     /**
      * The additional extended attribute size (shfl_fsobjattr::u::size) is
      *  available / requested.
      */
     SHFLFSOBJATTRADD_EASIZE,
     /**
      * The last valid item (inclusive).
      * The valid range is SHFLFSOBJATTRADD_NOTHING thru
      * SHFLFSOBJATTRADD_LAST.
      */
     SHFLFSOBJATTRADD_LAST = SHFLFSOBJATTRADD_EASIZE,
 
     /** The usual 32-bit hack. */
     SHFLFSOBJATTRADD_32BIT_SIZE_HACK = 0x7fffffff
 };
 
 /**
  * Additional unix Attributes, these are available when
  * shfl_fsobjattr.additional == SHFLFSOBJATTRADD_UNIX.
  */
 struct shfl_fsobjattr_unix {
     /**
      * The user owning the filesystem object (st_uid).
      * This field is ~0U if not supported.
      */
     u32 uid;
 
     /**
      * The group the filesystem object is assigned (st_gid).
      * This field is ~0U if not supported.
      */
     u32 gid;
 
     /**
      * Number of hard links to this filesystem object (st_nlink).
      * This field is 1 if the filesystem doesn't support hardlinking or
      * the information isn't available.
      */
     u32 hardlinks;
 
     /**
      * The device number of the device which this filesystem object resides
      * on (st_dev). This field is 0 if this information is not available.
      */
     u32 inode_id_device;
 
     /**
      * The unique identifier (within the filesystem) of this filesystem
      * object (st_ino). Together with inode_id_device, this field can be
      * used as a OS wide unique id, when both their values are not 0.
      * This field is 0 if the information is not available.
      */
     u64 inode_id;
 
     /**
      * User flags (st_flags).
      * This field is 0 if this information is not available.
      */
     u32 flags;
 
     /**
      * The current generation number (st_gen).
      * This field is 0 if this information is not available.
      */
     u32 generation_id;
 
     /**
      * The device number of a char. or block device type object (st_rdev).
      * This field is 0 if the file isn't a char. or block device or when
      * the OS doesn't use the major+minor device idenfication scheme.
      */
     u32 device;
 } __packed;
 
 /** Extended attribute size. */
 struct shfl_fsobjattr_easize {
     /** Size of EAs. */
     s64 cb;
 } __packed;
 
 /** Shared folder filesystem object attributes. */
 struct shfl_fsobjattr {
     /** Mode flags (st_mode). SHFL_UNIX_*, SHFL_TYPE_*, and SHFL_DOS_*. */
     u32 mode;
 
     /** The additional attributes available. */
     enum shfl_fsobjattr_add additional;
 
     /**
      * Additional attributes.
      *
      * Unless explicitly specified to an API, the API can provide additional
      * data as it is provided by the underlying OS.
      */
     union {
         struct shfl_fsobjattr_unix unix_attr;
         struct shfl_fsobjattr_easize size;
     } __packed u;
 } __packed;
 VMMDEV_ASSERT_SIZE(shfl_fsobjattr, 44);
 
 struct shfl_timespec {
     s64 ns_relative_to_unix_epoch;
 };
 
 /** Filesystem object information structure. */
 struct shfl_fsobjinfo {
     /**
      * Logical size (st_size).
      * For normal files this is the size of the file.
      * For symbolic links, this is the length of the path name contained
      * in the symbolic link.
      * For other objects this fields needs to be specified.
      */
     s64 size;
 
     /** Disk allocation size (st_blocks * DEV_BSIZE). */
     s64 allocated;
 
     /** Time of last access (st_atime). */
     struct shfl_timespec access_time;
 
     /** Time of last data modification (st_mtime). */
     struct shfl_timespec modification_time;
 
     /**
      * Time of last status change (st_ctime).
      * If not available this is set to modification_time.
      */
     struct shfl_timespec change_time;
 
     /**
      * Time of file birth (st_birthtime).
      * If not available this is set to change_time.
      */
     struct shfl_timespec birth_time;
 
     /** Attributes. */
     struct shfl_fsobjattr attr;
 
 } __packed;
 VMMDEV_ASSERT_SIZE(shfl_fsobjinfo, 92);
 
 /**
  * result of an open/create request.
  * Along with handle value the result code
  * identifies what has happened while
  * trying to open the object.
  */
 enum shfl_create_result {
     SHFL_NO_RESULT,
     /** Specified path does not exist. */
     SHFL_PATH_NOT_FOUND,
     /** Path to file exists, but the last component does not. */
     SHFL_FILE_NOT_FOUND,
     /** File already exists and either has been opened or not. */
     SHFL_FILE_EXISTS,
     /** New file was created. */
     SHFL_FILE_CREATED,
     /** Existing file was replaced or overwritten. */
     SHFL_FILE_REPLACED
 };
 
 /* No flags. Initialization value. */
 #define SHFL_CF_NONE                  (0x00000000)
 
 /*
  * Only lookup the object, do not return a handle. When this is set all other
  * flags are ignored.
  */
 #define SHFL_CF_LOOKUP                (0x00000001)
 
 /*
  * Open parent directory of specified object.
  * Useful for the corresponding Windows FSD flag
  * and for opening paths like \\dir\\*.* to search the 'dir'.
  */
 #define SHFL_CF_OPEN_TARGET_DIRECTORY (0x00000002)
 
 /* Create/open a directory. */
 #define SHFL_CF_DIRECTORY             (0x00000004)
 
 /*
  *  Open/create action to do if object exists
  *  and if the object does not exists.
  *  REPLACE file means atomically DELETE and CREATE.
  *  OVERWRITE file means truncating the file to 0 and
  *  setting new size.
  *  When opening an existing directory REPLACE and OVERWRITE
  *  actions are considered invalid, and cause returning
  *  FILE_EXISTS with NIL handle.
  */
 #define SHFL_CF_ACT_MASK_IF_EXISTS      (0x000000f0)
 #define SHFL_CF_ACT_MASK_IF_NEW         (0x00000f00)
 
 /* What to do if object exists. */
 #define SHFL_CF_ACT_OPEN_IF_EXISTS      (0x00000000)
 #define SHFL_CF_ACT_FAIL_IF_EXISTS      (0x00000010)
 #define SHFL_CF_ACT_REPLACE_IF_EXISTS   (0x00000020)
 #define SHFL_CF_ACT_OVERWRITE_IF_EXISTS (0x00000030)
 
 /* What to do if object does not exist. */
 #define SHFL_CF_ACT_CREATE_IF_NEW       (0x00000000)
 #define SHFL_CF_ACT_FAIL_IF_NEW         (0x00000100)
 
 /* Read/write requested access for the object. */
 #define SHFL_CF_ACCESS_MASK_RW          (0x00003000)
 
 /* No access requested. */
 #define SHFL_CF_ACCESS_NONE             (0x00000000)
 /* Read access requested. */
 #define SHFL_CF_ACCESS_READ             (0x00001000)
 /* Write access requested. */
 #define SHFL_CF_ACCESS_WRITE            (0x00002000)
 /* Read/Write access requested. */
 #define SHFL_CF_ACCESS_READWRITE    (0x00003000)
 
 /* Requested share access for the object. */
 #define SHFL_CF_ACCESS_MASK_DENY        (0x0000c000)
 
 /* Allow any access. */
 #define SHFL_CF_ACCESS_DENYNONE         (0x00000000)
 /* Do not allow read. */
 #define SHFL_CF_ACCESS_DENYREAD         (0x00004000)
 /* Do not allow write. */
 #define SHFL_CF_ACCESS_DENYWRITE        (0x00008000)
 /* Do not allow access. */
 #define SHFL_CF_ACCESS_DENYALL          (0x0000c000)
 
 /* Requested access to attributes of the object. */
 #define SHFL_CF_ACCESS_MASK_ATTR        (0x00030000)
 
 /* No access requested. */
 #define SHFL_CF_ACCESS_ATTR_NONE        (0x00000000)
 /* Read access requested. */
 #define SHFL_CF_ACCESS_ATTR_READ        (0x00010000)
 /* Write access requested. */
 #define SHFL_CF_ACCESS_ATTR_WRITE       (0x00020000)
 /* Read/Write access requested. */
 #define SHFL_CF_ACCESS_ATTR_READWRITE   (0x00030000)
 
 /*
  * The file is opened in append mode.
  * Ignored if SHFL_CF_ACCESS_WRITE is not set.
  */
 #define SHFL_CF_ACCESS_APPEND           (0x00040000)
 
 /** Create parameters buffer struct for SHFL_FN_CREATE call */
 struct shfl_createparms {
     /** Returned handle of opened object. */
     u64 handle;
 
     /** Returned result of the operation */
     enum shfl_create_result result;
 
     /** SHFL_CF_* */
     u32 create_flags;
 
     /**
      * Attributes of object to create and
      * returned actual attributes of opened/created object.
      */
     struct shfl_fsobjinfo info;
 } __packed;
 
 /** Shared Folder directory information */
 struct shfl_dirinfo {
     /** Full information about the object. */
     struct shfl_fsobjinfo info;
     /**
      * The length of the short field (number of UTF16 chars).
      * It is 16-bit for reasons of alignment.
      */
     u16 short_name_len;
     /**
      * The short name for 8.3 compatibility.
      * Empty string if not available.
      */
     u16 short_name[14];
     struct shfl_string name;
 };
 
 /** Shared folder filesystem properties. */
 struct shfl_fsproperties {
     /**
      * The maximum size of a filesystem object name.
      * This does not include the '\\0'.
      */
     u32 max_component_len;
 
     /**
      * True if the filesystem is remote.
      * False if the filesystem is local.
      */
     bool remote;
 
     /**
      * True if the filesystem is case sensitive.
      * False if the filesystem is case insensitive.
      */
     bool case_sensitive;
 
     /**
      * True if the filesystem is mounted read only.
      * False if the filesystem is mounted read write.
      */
     bool read_only;
 
     /**
      * True if the filesystem can encode unicode object names.
      * False if it can't.
      */
     bool supports_unicode;
 
     /**
      * True if the filesystem is compresses.
      * False if it isn't or we don't know.
      */
     bool compressed;
 
     /**
      * True if the filesystem compresses of individual files.
      * False if it doesn't or we don't know.
      */
     bool file_compression;
 };
 VMMDEV_ASSERT_SIZE(shfl_fsproperties, 12);
 
 struct shfl_volinfo {
     s64 total_allocation_bytes;
     s64 available_allocation_bytes;
     u32 bytes_per_allocation_unit;
     u32 bytes_per_sector;
     u32 serial;
     struct shfl_fsproperties properties;
 };
 
 
 /** SHFL_FN_MAP_FOLDER Parameters structure. */
 struct shfl_map_folder {
     /**
      * pointer, in:
      * Points to struct shfl_string buffer.
      */
     struct vmmdev_hgcm_function_parameter path;
 
     /**
      * pointer, out: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * pointer, in: UTF16
      * Path delimiter
      */
     struct vmmdev_hgcm_function_parameter delimiter;
 
     /**
      * pointer, in: SHFLROOT (u32)
      * Case senstive flag
      */
     struct vmmdev_hgcm_function_parameter case_sensitive;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_MAP_FOLDER (4)
 
 
 /** SHFL_FN_UNMAP_FOLDER Parameters structure. */
 struct shfl_unmap_folder {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_UNMAP_FOLDER (1)
 
 
 /** SHFL_FN_CREATE Parameters structure. */
 struct shfl_create {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * pointer, in:
      * Points to struct shfl_string buffer.
      */
     struct vmmdev_hgcm_function_parameter path;
 
     /**
      * pointer, in/out:
      * Points to struct shfl_createparms buffer.
      */
     struct vmmdev_hgcm_function_parameter parms;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_CREATE (3)
 
 
 /** SHFL_FN_CLOSE Parameters structure. */
 struct shfl_close {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * value64, in:
      * SHFLHANDLE (u64) of object to close.
      */
     struct vmmdev_hgcm_function_parameter handle;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_CLOSE (2)
 
 
 /** SHFL_FN_READ Parameters structure. */
 struct shfl_read {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * value64, in:
      * SHFLHANDLE (u64) of object to read from.
      */
     struct vmmdev_hgcm_function_parameter handle;
 
     /**
      * value64, in:
      * Offset to read from.
      */
     struct vmmdev_hgcm_function_parameter offset;
 
     /**
      * value64, in/out:
      * Bytes to read/How many were read.
      */
     struct vmmdev_hgcm_function_parameter cb;
 
     /**
      * pointer, out:
      * Buffer to place data to.
      */
     struct vmmdev_hgcm_function_parameter buffer;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_READ (5)
 
 
 /** SHFL_FN_WRITE Parameters structure. */
 struct shfl_write {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * value64, in:
      * SHFLHANDLE (u64) of object to write to.
      */
     struct vmmdev_hgcm_function_parameter handle;
 
     /**
      * value64, in:
      * Offset to write to.
      */
     struct vmmdev_hgcm_function_parameter offset;
 
     /**
      * value64, in/out:
      * Bytes to write/How many were written.
      */
     struct vmmdev_hgcm_function_parameter cb;
 
     /**
      * pointer, in:
      * Data to write.
      */
     struct vmmdev_hgcm_function_parameter buffer;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_WRITE (5)
 
 
 /*
  * SHFL_FN_LIST
  * Listing information includes variable length RTDIRENTRY[EX] structures.
  */
 
 #define SHFL_LIST_NONE          0
 #define SHFL_LIST_RETURN_ONE        1
 
 /** SHFL_FN_LIST Parameters structure. */
 struct shfl_list {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * value64, in:
      * SHFLHANDLE (u64) of object to be listed.
      */
     struct vmmdev_hgcm_function_parameter handle;
 
     /**
      * value32, in:
      * List flags SHFL_LIST_*.
      */
     struct vmmdev_hgcm_function_parameter flags;
 
     /**
      * value32, in/out:
      * Bytes to be used for listing information/How many bytes were used.
      */
     struct vmmdev_hgcm_function_parameter cb;
 
     /**
      * pointer, in/optional
      * Points to struct shfl_string buffer that specifies a search path.
      */
     struct vmmdev_hgcm_function_parameter path;
 
     /**
      * pointer, out:
      * Buffer to place listing information to. (struct shfl_dirinfo)
      */
     struct vmmdev_hgcm_function_parameter buffer;
 
     /**
      * value32, in/out:
      * Indicates a key where the listing must be resumed.
      * in: 0 means start from begin of object.
      * out: 0 means listing completed.
      */
     struct vmmdev_hgcm_function_parameter resume_point;
 
     /**
      * pointer, out:
      * Number of files returned
      */
     struct vmmdev_hgcm_function_parameter file_count;
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_LIST (8)
 
 
 /** SHFL_FN_READLINK Parameters structure. */
 struct shfl_readLink {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * pointer, in:
      * Points to struct shfl_string buffer.
      */
     struct vmmdev_hgcm_function_parameter path;
 
     /**
      * pointer, out:
      * Buffer to place data to.
      */
     struct vmmdev_hgcm_function_parameter buffer;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_READLINK (3)
 
 
 /* SHFL_FN_INFORMATION */
 
 /* Mask of Set/Get bit. */
 #define SHFL_INFO_MODE_MASK    (0x1)
 /* Get information */
 #define SHFL_INFO_GET          (0x0)
 /* Set information */
 #define SHFL_INFO_SET          (0x1)
 
 /* Get name of the object. */
 #define SHFL_INFO_NAME         (0x2)
 /* Set size of object (extend/trucate); only applies to file objects */
 #define SHFL_INFO_SIZE         (0x4)
 /* Get/Set file object info. */
 #define SHFL_INFO_FILE         (0x8)
 /* Get volume information. */
 #define SHFL_INFO_VOLUME       (0x10)
 
 /** SHFL_FN_INFORMATION Parameters structure. */
 struct shfl_information {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * value64, in:
      * SHFLHANDLE (u64) of object to be listed.
      */
     struct vmmdev_hgcm_function_parameter handle;
 
     /**
      * value32, in:
      * SHFL_INFO_*
      */
     struct vmmdev_hgcm_function_parameter flags;
 
     /**
      * value32, in/out:
      * Bytes to be used for information/How many bytes were used.
      */
     struct vmmdev_hgcm_function_parameter cb;
 
     /**
      * pointer, in/out:
      * Information to be set/get (shfl_fsobjinfo or shfl_string). Do not
      * forget to set the shfl_fsobjinfo::attr::additional for a get
      * operation as well.
      */
     struct vmmdev_hgcm_function_parameter info;
 
 };
 
 /* Number of parameters */
 #define SHFL_CPARMS_INFORMATION (5)
 
 
 /* SHFL_FN_REMOVE */
 
 #define SHFL_REMOVE_FILE        (0x1)
 #define SHFL_REMOVE_DIR         (0x2)
 #define SHFL_REMOVE_SYMLINK     (0x4)
 
 /** SHFL_FN_REMOVE Parameters structure. */
 struct shfl_remove {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * pointer, in:
      * Points to struct shfl_string buffer.
      */
     struct vmmdev_hgcm_function_parameter path;
 
     /**
      * value32, in:
      * remove flags (file/directory)
      */
     struct vmmdev_hgcm_function_parameter flags;
 
 };
 
 #define SHFL_CPARMS_REMOVE  (3)
 
 
 /* SHFL_FN_RENAME */
 
 #define SHFL_RENAME_FILE                (0x1)
 #define SHFL_RENAME_DIR                 (0x2)
 #define SHFL_RENAME_REPLACE_IF_EXISTS   (0x4)
 
 /** SHFL_FN_RENAME Parameters structure. */
 struct shfl_rename {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * pointer, in:
      * Points to struct shfl_string src.
      */
     struct vmmdev_hgcm_function_parameter src;
 
     /**
      * pointer, in:
      * Points to struct shfl_string dest.
      */
     struct vmmdev_hgcm_function_parameter dest;
 
     /**
      * value32, in:
      * rename flags (file/directory)
      */
     struct vmmdev_hgcm_function_parameter flags;
 
 };
 
 #define SHFL_CPARMS_RENAME  (4)
 
 
 /** SHFL_FN_SYMLINK Parameters structure. */
 struct shfl_symlink {
     /**
      * pointer, in: SHFLROOT (u32)
      * Root handle of the mapping which name is queried.
      */
     struct vmmdev_hgcm_function_parameter root;
 
     /**
      * pointer, in:
      * Points to struct shfl_string of path for the new symlink.
      */
     struct vmmdev_hgcm_function_parameter new_path;
 
     /**
      * pointer, in:
      * Points to struct shfl_string of destination for symlink.
      */
     struct vmmdev_hgcm_function_parameter old_path;
 
     /**
      * pointer, out:
      * Information about created symlink.
      */
     struct vmmdev_hgcm_function_parameter info;
 
 };
 
 #define SHFL_CPARMS_SYMLINK  (4)
 
 #endif

This page was automatically generated by the 2.1.0 LXR engine. The LXR team