-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* User-space Lustre headers.
*/
-#ifndef LIBLUSTRE_H__
-#define LIBLUSTRE_H__
-
-#ifdef __KERNEL__
-#error Kernel files should not #include <liblustre.h>
-#endif
-
-#include <libcfs/libcfs.h>
-#include <lnet/lnet.h>
-
-/* definitions for liblustre */
-
-#ifdef __CYGWIN__
-
-#define loff_t long long
-#define ERESTART 2001
-typedef unsigned short umode_t;
-
-#endif
-
-/* always adopt 2.5 definitions */
-#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
-#define LINUX_VERSION_CODE KERNEL_VERSION(2,6,5)
-
-#ifndef page_private
-#define page_private(page) ((page)->private)
-#define set_page_private(page, v) ((page)->private = (v))
-#endif
-
-
-/*
- * The inter_module_get implementation is specific to liblustre, so this needs
- * to stay here for now.
- */
-static inline void inter_module_put(void *a)
-{
- return;
-}
-void *inter_module_get(char *arg);
-
-/* bits ops */
-
-/* a long can be more than 32 bits, so use BITS_PER_LONG
- * to allow the compiler to adjust the bit shifting accordingly
- */
-
-static __inline__ int ext2_set_bit(int nr, void *addr)
-{
-#ifdef __BIG_ENDIAN
- return set_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
-#else
- return set_bit(nr, addr);
-#endif
-}
-
-static __inline__ int ext2_clear_bit(int nr, void *addr)
-{
-#ifdef __BIG_ENDIAN
- return clear_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
-#else
- return clear_bit(nr, addr);
-#endif
-}
-
-static __inline__ int ext2_test_bit(int nr, void *addr)
-{
-#ifdef __BIG_ENDIAN
- __const__ unsigned char *tmp = (__const__ unsigned char *) addr;
- return (tmp[nr >> 3] >> (nr & 7)) & 1;
-#else
- return test_bit(nr, addr);
-#endif
-}
-
-
-/* module initialization */
-extern int init_obdclass(void);
-extern int ptlrpc_init(void);
-extern int ldlm_init(void);
-extern int osc_init(void);
-extern int lov_init(void);
-extern int mdc_init(void);
-extern int lmv_init(void);
-extern int mgc_init(void);
-extern int echo_client_init(void);
-
-
-
-/* general stuff */
-
-#define EXPORT_SYMBOL(S)
-
-struct rcu_head { };
-
-typedef __u64 kdev_t;
-
-#ifndef min
-#define min(x,y) ((x)<(y) ? (x) : (y))
-#endif
-
-#ifndef max
-#define max(x,y) ((x)>(y) ? (x) : (y))
-#endif
-
-#ifndef min_t
-#define min_t(type,x,y) \
- ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
-#endif
-#ifndef max_t
-#define max_t(type,x,y) \
- ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
-#endif
-
-#define simple_strtol strtol
-
-/* registering symbols */
-#ifndef ERESTARTSYS
-#define ERESTARTSYS ERESTART
-#endif
-#define HZ 1
-
-/* random */
-
-void get_random_bytes(void *ptr, int size);
-
-/* memory */
-
-/* memory size: used for some client tunables */
-#define num_physpages (256 * 1024) /* 1GB */
-#define CFS_NUM_CACHEPAGES num_physpages
-
-
-/* VFS stuff */
-#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
-#define ATTR_BLOCKS 0x4000
-#define ATTR_KILL_SUID 0
-#define ATTR_KILL_SGID 0
-
-struct iattr {
- unsigned int ia_valid;
- umode_t ia_mode;
- uid_t ia_uid;
- gid_t ia_gid;
- loff_t ia_size;
- time_t ia_atime;
- time_t ia_mtime;
- time_t ia_ctime;
- unsigned int ia_attr_flags;
-};
-
-#define ll_iattr iattr
-
-#define IT_OPEN 0x0001
-#define IT_CREAT 0x0002
-#define IT_READDIR 0x0004
-#define IT_GETATTR 0x0008
-#define IT_LOOKUP 0x0010
-#define IT_UNLINK 0x0020
-#define IT_GETXATTR 0x0040
-#define IT_EXEC 0x0080
-#define IT_PIN 0x0100
-
-#define IT_FL_LOCKED 0x0001
-#define IT_FL_FOLLOWED 0x0002 /* set by vfs_follow_link */
-
-#define INTENT_MAGIC 0x19620323
-
-struct lustre_intent_data {
- int it_disposition;
- int it_status;
- __u64 it_lock_handle;
- void *it_data;
- int it_lock_mode;
- int it_int_flags;
-};
-struct lookup_intent {
- int it_magic;
- void (*it_op_release)(struct lookup_intent *);
- int it_op;
- int it_flags;
- int it_create_mode;
- union {
- struct lustre_intent_data lustre;
- } d;
-};
-
-static inline void intent_init(struct lookup_intent *it, int op, int flags)
-{
- memset(it, 0, sizeof(*it));
- it->it_magic = INTENT_MAGIC;
- it->it_op = op;
- it->it_flags = flags;
-}
-
-struct dentry {
- int d_count;
-};
-
-struct vfsmount {
- void *pwd;
-};
-
-struct signal {
- int signal;
-};
-
-struct task_struct {
- int state;
- struct signal pending;
- char comm[32];
- int uid;
- int gid;
- int pid;
- int fsuid;
- int fsgid;
- int max_groups;
- int ngroups;
- gid_t *groups;
- __u32 cap_effective;
-};
-
-
-typedef struct task_struct cfs_task_t;
-#define cfs_current() current
-#define cfs_curproc_pid() (current->pid)
-#define cfs_curproc_comm() (current->comm)
-#define cfs_curproc_fsuid() (current->fsuid)
-#define cfs_curproc_fsgid() (current->fsgid)
-
-extern struct task_struct *current;
-int in_group_p(gid_t gid);
-
-#define set_current_state(foo) do { current->state = foo; } while (0)
-
-#define wait_event_interruptible(wq, condition) \
-({ \
- struct l_wait_info lwi; \
- int timeout = 100000000;/* for ever */ \
- int ret; \
- \
- lwi = LWI_TIMEOUT(timeout, NULL, NULL); \
- ret = l_wait_event(NULL, condition, &lwi); \
- \
- ret; \
-})
-
-#define lock_kernel() do {} while (0)
-#define unlock_kernel() do {} while (0)
-#define daemonize(l) do {} while (0)
-#define sigfillset(l) do {} while (0)
-#define recalc_sigpending(l) do {} while (0)
-#define kernel_thread(l,m,n) LBUG()
-
-#define USERMODEHELPER(path, argv, envp) (0)
-#define SIGNAL_MASK_ASSERT()
-#define KERN_INFO
-
-#if HZ != 1
-#error "liblustre's jiffies currently expects HZ to be 1"
-#endif
-#define jiffies \
-({ \
- unsigned long _ret = 0; \
- struct timeval tv; \
- if (gettimeofday(&tv, NULL) == 0) \
- _ret = tv.tv_sec; \
- _ret; \
-})
-#define get_jiffies_64() (__u64)jiffies
-
-#ifndef likely
-#define likely(exp) (exp)
-#endif
-#ifndef unlikely
-#define unlikely(exp) (exp)
-#endif
-
-#define might_sleep()
-#define might_sleep_if(c)
-#define smp_mb()
-
-#define libcfs_memory_pressure_get() (0)
-#define libcfs_memory_pressure_put() do {} while (0)
-#define libcfs_memory_pressure_clr() do {} while (0)
-
-/* FIXME sys/capability will finally included linux/fs.h thus
- * cause numerous trouble on x86-64. as temporary solution for
- * build broken at Cray, we copy definition we need from capability.h
- * FIXME
- */
-struct _cap_struct;
-typedef struct _cap_struct *cap_t;
-typedef int cap_value_t;
-typedef enum {
- CAP_EFFECTIVE=0,
- CAP_PERMITTED=1,
- CAP_INHERITABLE=2
-} cap_flag_t;
-typedef enum {
- CAP_CLEAR=0,
- CAP_SET=1
-} cap_flag_value_t;
-
-cap_t cap_get_proc(void);
-int cap_get_flag(cap_t, cap_value_t, cap_flag_t, cap_flag_value_t *);
-
-static inline void libcfs_run_lbug_upcall(char *file, const char *fn,
- const int l){}
-
-
-struct liblustre_wait_callback {
- struct list_head llwc_list;
- const char *llwc_name;
- int (*llwc_fn)(void *arg);
- void *llwc_arg;
-};
-
-void *liblustre_register_wait_callback(const char *name,
- int (*fn)(void *arg), void *arg);
-void liblustre_deregister_wait_callback(void *notifier);
-int liblustre_wait_event(int timeout);
-
-void *liblustre_register_idle_callback(const char *name,
- int (*fn)(void *arg), void *arg);
-void liblustre_deregister_idle_callback(void *notifier);
-void liblustre_wait_idle(void);
-
-/* flock related */
-struct nfs_lock_info {
- __u32 state;
- __u32 flags;
- void *host;
-};
-
-typedef struct file_lock {
- struct file_lock *fl_next; /* singly linked list for this inode */
- struct list_head fl_link; /* doubly linked list of all locks */
- struct list_head fl_block; /* circular list of blocked processes */
- void *fl_owner;
- unsigned int fl_pid;
- cfs_waitq_t fl_wait;
- struct file *fl_file;
- unsigned char fl_flags;
- unsigned char fl_type;
- loff_t fl_start;
- loff_t fl_end;
-
- void (*fl_notify)(struct file_lock *); /* unblock callback */
- void (*fl_insert)(struct file_lock *); /* lock insertion callback */
- void (*fl_remove)(struct file_lock *); /* lock removal callback */
-
- void *fl_fasync; /* for lease break notifications */
- unsigned long fl_break_time; /* for nonblocking lease breaks */
-
- union {
- struct nfs_lock_info nfs_fl;
- } fl_u;
-} cfs_flock_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)
-
-#ifndef OFFSET_MAX
-#define INT_LIMIT(x) (~((x)1 << (sizeof(x)*8 - 1)))
-#define OFFSET_MAX INT_LIMIT(loff_t)
-#endif
-
-/* XXX: defined in kernel */
-#define FL_POSIX 1
-#define FL_SLEEP 128
-
-/* quota */
-#define QUOTA_OK 0
-#define NO_QUOTA 1
-
-/* ACL */
-struct posix_acl_entry {
- short e_tag;
- unsigned short e_perm;
- unsigned int e_id;
-};
-
-struct posix_acl {
- atomic_t a_refcount;
- unsigned int a_count;
- struct posix_acl_entry a_entries[0];
-};
-
-typedef struct {
- __u16 e_tag;
- __u16 e_perm;
- __u32 e_id;
-} xattr_acl_entry;
-
-typedef struct {
- __u32 a_version;
- xattr_acl_entry a_entries[0];
-} xattr_acl_header;
-
-static inline size_t xattr_acl_size(int count)
-{
- return sizeof(xattr_acl_header) + count * sizeof(xattr_acl_entry);
-}
-
-static inline
-struct posix_acl * posix_acl_from_xattr(const void *value, size_t size)
-{
- return NULL;
-}
-
-static inline
-int posix_acl_valid(const struct posix_acl *acl)
-{
- return 0;
-}
-
-static inline
-void posix_acl_release(struct posix_acl *acl)
-{
-}
-
-#ifdef LIBLUSTRE_POSIX_ACL
-# ifndef posix_acl_xattr_entry
-# define posix_acl_xattr_entry xattr_acl_entry
-# endif
-# ifndef posix_acl_xattr_header
-# define posix_acl_xattr_header xattr_acl_header
-# endif
-# ifndef posix_acl_xattr_size
-# define posix_acl_xattr_size(entry) xattr_acl_size(entry)
-# endif
-# ifndef CONFIG_FS_POSIX_ACL
-# define CONFIG_FS_POSIX_ACL 1
-# endif
-#endif
-
-#ifndef ENOTSUPP
-#define ENOTSUPP ENOTSUP
-#endif
-
-typedef int mm_segment_t;
-enum {
- KERNEL_DS,
- USER_DS
-};
-static inline mm_segment_t get_fs(void)
-{
- return USER_DS;
-}
-
-static inline void set_fs(mm_segment_t seg)
-{
-}
-
-#include <obd_support.h>
-#include <lustre/lustre_idl.h>
-#include <lustre_lib.h>
-#include <lustre_import.h>
-#include <lustre_export.h>
-#include <lustre_net.h>
-
-#endif
+#error "do not include <liblustre.h>"
git://git.whamcloud.com / fs / lustre-release.git / blobdiff