-/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=4:tabstop=4:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License 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).
*
- * Lustre 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 for more details.
+ * 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
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*
- * File operations & routines.
+ * 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 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
{
- loff_t (*lseek)(struct file * file, loff_t offset, int origin);
+ 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);
- int (*open) (struct file *);
- int (*release) (struct file *);
+ 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;
- ulong_ptr f_count;
-
- //struct list_head f_list;
- //struct dentry * f_dentry;
-
- cfs_proc_entry_t * proc_dentry;
- cfs_file_operations_t * f_op;
+ __u32 f_count;
size_t f_size;
loff_t f_pos;
unsigned int f_uid, f_gid;
int f_error;
- ulong_ptr f_version;
+ __u32 f_version;
- void * private_data;
+ //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 cfs_filp_size(f) ((f)->f_size)
-#define cfs_filp_poff(f) (&(f)->f_pos)
-
-cfs_file_t *cfs_filp_open(const char *name, int flags, int mode, int *err);
-int cfs_filp_close(cfs_file_t *fp);
-int cfs_filp_read(cfs_file_t *fp, void *buf, size_t nbytes, loff_t *pos);
-int cfs_filp_write(cfs_file_t *fp, void *buf, size_t nbytes, loff_t *pos);
-int cfs_filp_fsync(cfs_file_t *fp);
-int cfs_get_file(cfs_file_t *fp);
-int cfs_put_file(cfs_file_t *fp);
-int cfs_file_count(cfs_file_t *fp);
-
-
-
+#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
*/
-typedef struct file_lock{
- int fl_type;
- pid_t fl_pid;
- size_t fl_len;
- off_t fl_start;
- off_t fl_end;
-} cfs_flock_t;
-
-#define CFS_INT_LIMIT(x) (~((x)1 << (sizeof(x)*8 - 1)))
-#define CFS_OFFSET_MAX CFS_INT_LIMIT(loff_t)
-
-#define cfs_flock_type(fl) ((fl)->fl_type)
-#define cfs_flock_set_type(fl, type) do { (fl)->fl_type = (type); } while(0)
-#define cfs_flock_pid(fl) ((fl)->fl_pid)
-#define cfs_flock_set_pid(fl, pid) do { (fl)->fl_pid = (pid); } while(0)
-#define cfs_flock_start(fl) ((fl)->fl_start)
-#define cfs_flock_set_start(fl, start) do { (fl)->fl_start = (start); } while(0)
-#define cfs_flock_end(fl) ((fl)->fl_end)
-#define cfs_flock_set_end(fl, end) do { (fl)->fl_end = (end); } while(0)
+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_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
-#define ATTR_BLOCKS 0x4000
+
+/*
+ * 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)
-/*
- * proc fs routines
+
+/* VFS structures for windows */
+
+/*
+ * inode formats
*/
-int proc_init_fs();
-void proc_destroy_fs();
+#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
-/*
- * misc
- */
+struct dentry {
+ atomic_t d_count;
+ struct {
+ int len;
+ char * name;
+ } d_name;
+ struct inode * d_inode;
+ struct dentry* d_parent;
+};
-static inline void *ERR_PTR(long_ptr error)
+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)
{
- return (void *) error;
+ cfs_enter_debugger();
+ return NULL;
}
-static inline long_ptr PTR_ERR(const void *ptr)
+static inline loff_t i_size_read(const struct inode *inode)
{
- return (long_ptr) ptr;
+ cfs_enter_debugger();
+ return inode->i_size;
}
-static inline long_ptr IS_ERR(const void *ptr)
+static inline void i_size_write(struct inode *inode, loff_t i_size)
{
- return (ulong_ptr)ptr > (ulong_ptr)-1000L;
+ 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
);
NTSYSAPI
+DWORD
+NTAPI
+GetLastError(
+ VOID
+ );
+
+NTSYSAPI
HANDLE
NTAPI
CreateFileMappingA(
UnmapViewOfFile(
IN PVOID lpBaseAddress
);
+#endif
#endif /* __KERNEL__ */
-typedef struct {
+struct dentry {
void *d;
-} cfs_dentry_t;
+};
+/*
+ * misc
+ */
#endif /* __LIBCFS_WINNT_CFS_FS_H__*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff