+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * libcfs/include/libcfs/winnt/winnt-fs.h
- *
- * File operations & routines.
- */
-
-#ifndef __LIBCFS_WINNT_CFS_FS_H__
-#define __LIBCFS_WINNT_CFS_FS_H__
-
-#ifndef __LIBCFS_LIBCFS_H__
-#error Do not #include this file directly. #include <libcfs/libcfs.h> instead
-#endif
-
-
-#define MINORBITS 8
-#define MINORMASK ((1U << MINORBITS) - 1)
-
-#define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))
-#define MINOR(dev) ((unsigned int) ((dev) & MINORMASK))
-#define NODEV 0
-#define MKDEV(ma,mi) (((ma) << MINORBITS) | (mi))
-
-#define PATH_MAX (260)
-
-#ifdef __KERNEL__
-
-/* linux/fs.h */
-
-#define MAY_EXEC 1
-#define MAY_WRITE 2
-#define MAY_READ 4
-#define MAY_APPEND 8
-
-#define FMODE_READ 1
-#define FMODE_WRITE 2
-
-/* Internal kernel extensions */
-#define FMODE_LSEEK 4
-#define FMODE_PREAD 8
-#define FMODE_PWRITE FMODE_PREAD /* These go hand in hand */
-
-/* File is being opened for execution. Primary users of this flag are
- distributed filesystems that can use it to achieve correct ETXTBUSY
- behavior for cross-node execution/opening_for_writing of files */
-#define FMODE_EXEC 16
-
-#define RW_MASK 1
-#define RWA_MASK 2
-#define READ 0
-#define WRITE 1
-#define READA 2 /* read-ahead - don't block if no resources */
-#define SWRITE 3 /* for ll_rw_block() - wait for buffer lock */
-#define SPECIAL 4 /* For non-blockdevice requests in request queue */
-#define READ_SYNC (READ | (1 << BIO_RW_SYNC))
-#define WRITE_SYNC (WRITE | (1 << BIO_RW_SYNC))
-#define WRITE_BARRIER ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
-
-struct file_operations
-{
- struct module *owner;
- loff_t (*llseek)(struct file * file, loff_t offset, int origin);
- ssize_t (*read) (struct file * file, char * buf, size_t nbytes, loff_t *ppos);
- ssize_t (*write)(struct file * file, const char * buffer,
- size_t count, loff_t *ppos);
- int (*ioctl) (struct file *, unsigned int, ulong_ptr_t);
- int (*open) (struct inode*, struct file *);
- int (*release) (struct inode*, struct file *);
-};
-
-struct file {
-
- cfs_handle_t f_handle;
- unsigned int f_flags;
- mode_t f_mode;
- __u32 f_count;
-
- size_t f_size;
- loff_t f_pos;
- unsigned int f_uid, f_gid;
- int f_error;
-
- __u32 f_version;
-
- //struct list_head f_list;
- struct dentry * f_dentry;
-
- cfs_proc_entry_t * proc_dentry;
- cfs_file_operations_t * f_op;
-
- void * private_data;
- struct inode * f_inode;
- char f_name[1];
-
-};
-
-#define filp_size(f) ((f)->f_size)
-#define filp_poff(f) (&(f)->f_pos)
-
-struct file *filp_open(const char *name, int flags, int mode);
-int filp_close(struct file *fp, void *id);
-int filp_read(struct file *fp, void *buf, size_t nbytes, loff_t *pos);
-int filp_write(struct file *fp, void *buf, size_t nbytes, loff_t *pos);
-int filp_fsync(struct file *fp);
-int get_file(struct file *fp);
-int fput(struct file *fp);
-int file_count(struct file *fp);
-#define cfs_filp_unlink(x, y) (KdBreakPoint(), 0)
-/*
- * CFS_FLOCK routines
- */
-
-struct file_lock {
- int fl_type;
- pid_t fl_pid;
- size_t fl_len;
- off_t fl_start;
- off_t fl_end;
-};
-
-#define INT_LIMIT(x) (~((x)1 << (sizeof(x)*8 - 1)))
-#define OFFSET_MAX INT_LIMIT(loff_t)
-
-#define flock_type(fl) ((fl)->fl_type)
-#define flock_set_type(fl, type) do { (fl)->fl_type = (type); } while (0)
-#define flock_pid(fl) ((fl)->fl_pid)
-#define flock_set_pid(fl, pid) do { (fl)->fl_pid = (pid); } while (0)
-#define flock_start(fl) ((fl)->fl_start)
-#define flock_set_start(fl, st) do { (fl)->fl_start = (st); } while (0)
-#define flock_end(fl) ((fl)->fl_end)
-#define flock_set_end(fl, end) do { (fl)->fl_end = (end); } while (0)
-
-#define ATTR_MODE 0x0001
-#define ATTR_UID 0x0002
-#define ATTR_GID 0x0004
-#define ATTR_SIZE 0x0008
-#define ATTR_ATIME 0x0010
-#define ATTR_MTIME 0x0020
-#define ATTR_CTIME 0x0040
-#define ATTR_ATIME_SET 0x0080
-#define ATTR_MTIME_SET 0x0100
-#define ATTR_FORCE 0x0200 /* Not a change, but a change it */
-#define ATTR_ATTR_FLAG 0x0400
-#define ATTR_RAW 0x0800 /* file system, not vfs will massage attrs */
-#define ATTR_FROM_OPEN 0x1000 /* called from open path, ie O_TRUNC */
-//#define ATTR_CTIME_SET 0x2000
-
-/*
- * set ATTR_BLOCKS to a high value to avoid any risk of collision with other
- * ATTR_* attributes (see bug 13828): lustre/include/winnt/lustre_compat25.h
- */
-/* #define ATTR_BLOCKS 0x4000 */
-#define ATTR_BLOCKS (1 << 27)
-
-#define ATTR_KILL_SUID 0
-#define ATTR_KILL_SGID 0
-
-
-
-#define in_group_p(x) (0)
-
-
-/* VFS structures for windows */
-
-/*
- * inode formats
- */
-
-#define S_IFMT 00170000
-#define S_IFSOCK 0140000
-#define S_IFLNK 0120000
-#define S_IFREG 0100000
-#define S_IFBLK 0060000
-#define S_IFDIR 0040000
-#define S_IFCHR 0020000
-#define S_IFIFO 0010000
-#define S_ISUID 0004000
-#define S_ISGID 0002000
-#define S_ISVTX 0001000
-
-/* Inode flags - they have nothing to superblock flags now */
-
-#define S_SYNC 1 /* Writes are synced at once */
-#define S_NOATIME 2 /* Do not update access times */
-#define S_APPEND 4 /* Append-only file */
-#define S_IMMUTABLE 8 /* Immutable file */
-#define S_DEAD 16 /* removed, but still open directory */
-#define S_NOQUOTA 32 /* Inode is not counted to quota */
-#define S_DIRSYNC 64 /* Directory modifications are synchronous */
-#define S_NOCMTIME 128 /* Do not update file c/mtime */
-#define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
-#define S_PRIVATE 512 /* Inode is fs-internal */
-
-
-struct inode {
- __u32 i_mode;
- __u64 i_size;
- __u64 i_blocks;
- struct timespec i_atime;
- struct timespec i_ctime;
- struct timespec i_mtime;
- struct timespec i_dtime;
- __u32 i_ino;
- __u32 i_generation;
- __u32 i_state;
- __u32 i_blkbits;
- int i_uid;
- int i_gid;
- __u32 i_flags;
- struct mutex i_sem;
- void * i_priv;
-};
-
-#define I_FREEING 0x0001
-
-struct dentry {
- atomic_t d_count;
- struct {
- int len;
- char * name;
- } d_name;
- struct inode * d_inode;
- struct dentry* d_parent;
-};
-
-extern struct dentry *dget(struct dentry *de);
-extern void dput(struct dentry *de);
-static __inline struct dentry *lookup_one_len(const char *name, struct dentry *de, int len)
-{
- cfs_enter_debugger();
- return NULL;
-}
-
-static inline loff_t i_size_read(const struct inode *inode)
-{
- cfs_enter_debugger();
- return inode->i_size;
-}
-
-static inline void i_size_write(struct inode *inode, loff_t i_size)
-{
- cfs_enter_debugger();
- inode->i_size = i_size;
-}
-
-struct kstatfs {
- u64 f_type;
- long f_bsize;
- u64 f_blocks;
- u64 f_bfree;
- u64 f_bavail;
- u64 f_files;
- u64 f_ffree;
- __u32 f_fsid;
- long f_namelen;
- long f_frsize;
- long f_spare[5];
-};
-
-struct super_block {
- void * s_fs_info;
-};
-
-struct vfsmount {
- struct dentry * pwd;
- struct dentry * mnt_root;
- struct super_block *mnt_sb;
-};
-
-
-/*
- * quota definitions (linux/quota.h)
- */
-
-#define MAXQUOTAS 2
-#define USRQUOTA 0 /* element used for user quotas */
-#define GRPQUOTA 1 /* element used for group quotas */
-
-
-/*
- * proc fs routines
- */
-
-typedef int (read_proc_t)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-
-struct file; /* forward ref */
-typedef int (write_proc_t)(struct file *file, const char *buffer,
- unsigned long count, void *data);
-
-void proc_destory_subtree(cfs_proc_entry_t *entry);
-
-int proc_init_fs();
-void proc_destroy_fs();
-
-/*
- * thread affinity
- */
-
-HANDLE cfs_open_current_thread();
-void cfs_close_thread_handle(HANDLE handle);
-KAFFINITY cfs_query_thread_affinity();
-int cfs_set_thread_affinity(KAFFINITY affinity);
-int cfs_tie_thread_to_cpu(int cpu);
-typedef PVOID mm_segment_t;
-
-/*
- * thread priority
- */
-int cfs_set_thread_priority(KPRIORITY priority);
-
-#define MAKE_MM_SEG(s) ((mm_segment_t)(ulong_ptr_t)(s))
-#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFFUL)
-#define USER_DS MAKE_MM_SEG(PAGE_OFFSET)
-
-#define get_ds() (KERNEL_DS)
-#define set_fs(x) do {} while(0)
-#define get_fs() (NULL)
-
-/*
- * radix tree (linux/radix_tree.h)
- */
-
-/* radix tree root structure */
-struct radix_tree_root {
- RTL_GENERIC_TABLE table;
-};
-
-/* #define RADIX_TREE_INIT(mask) {0}
-
-#define RADIX_TREE(name, mask) \
- struct radix_tree_root name RADIX_TREE_INIT(mask) */
-
-VOID RadixInitTable(IN PRTL_GENERIC_TABLE Table);
-#define INIT_RADIX_TREE(root, mask) RadixInitTable(&((root)->table))
-
-/* all radix tree routines should be protected by external locks */
-unsigned int
-radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
- unsigned long first_index, unsigned int max_items);
-void *radix_tree_lookup(struct radix_tree_root *root, unsigned long index);
-int radix_tree_insert(struct radix_tree_root *root, unsigned long index,
- void *item);
-void *radix_tree_delete(struct radix_tree_root *root, unsigned long index);
-
-#else /* !__KERNEL__ */
-
-#if !defined(_WINDOWS_)
-
-#define CREATE_NEW 1
-#define CREATE_ALWAYS 2
-#define OPEN_EXISTING 3
-#define OPEN_ALWAYS 4
-#define TRUNCATE_EXISTING 5
-
-#define SECTION_QUERY 0x0001
-#define SECTION_MAP_WRITE 0x0002
-#define SECTION_MAP_READ 0x0004
-#define SECTION_MAP_EXECUTE 0x0008
-#define SECTION_EXTEND_SIZE 0x0010
-
-#define FILE_MAP_COPY SECTION_QUERY
-#define FILE_MAP_WRITE SECTION_MAP_WRITE
-#define FILE_MAP_READ SECTION_MAP_READ
-#define FILE_MAP_ALL_ACCESS SECTION_ALL_ACCESS
-
-
-NTSYSAPI
-HANDLE
-NTAPI
-CreateFileA(
- IN LPCSTR lpFileName,
- IN DWORD dwDesiredAccess,
- IN DWORD dwShareMode,
- IN PVOID lpSecurityAttributes,
- IN DWORD dwCreationDisposition,
- IN DWORD dwFlagsAndAttributes,
- IN HANDLE hTemplateFile
- );
-
-#define CreateFile CreateFileA
-
-NTSYSAPI
-BOOL
-NTAPI
-CloseHandle(
- IN OUT HANDLE hObject
- );
-
-NTSYSAPI
-DWORD
-NTAPI
-GetLastError(
- VOID
- );
-
-NTSYSAPI
-HANDLE
-NTAPI
-CreateFileMappingA(
- IN HANDLE hFile,
- IN PVOID lpFileMappingAttributes,
- IN DWORD flProtect,
- IN DWORD dwMaximumSizeHigh,
- IN DWORD dwMaximumSizeLow,
- IN LPCSTR lpName
- );
-#define CreateFileMapping CreateFileMappingA
-
-NTSYSAPI
-DWORD
-NTAPI
-GetFileSize(
- IN HANDLE hFile,
- OUT DWORD * lpFileSizeHigh
- );
-
-NTSYSAPI
-PVOID
-NTAPI
-MapViewOfFile(
- IN HANDLE hFileMappingObject,
- IN DWORD dwDesiredAccess,
- IN DWORD dwFileOffsetHigh,
- IN DWORD dwFileOffsetLow,
- IN SIZE_T dwNumberOfBytesToMap
- );
-
-NTSYSAPI
-BOOL
-NTAPI
-UnmapViewOfFile(
- IN PVOID lpBaseAddress
- );
-#endif
-
-#endif /* __KERNEL__ */
-
-struct dentry {
- void *d;
-};
-
-/*
- * misc
- */
-
-#endif /* __LIBCFS_WINNT_CFS_FS_H__*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff