4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * libcfs/include/libcfs/winnt/winnt-prim.h
38 * Basic library routines.
41 #ifndef __LIBCFS_WINNT_CFS_PRIM_H__
42 #define __LIBCFS_WINNT_CFS_PRIM_H__
44 #ifndef __LIBCFS_LIBCFS_H__
45 #error Do not #include this file directly. #include <libcfs/libcfs.h> instead
49 * libcfs proc device object
53 #define LUSTRE_PROC_DEVICE L"\\Device\\LNetProcFS" /* proc fs emulator device object */
54 #define LUSTRE_PROC_SYMLNK L"\\DosDevices\\LNetProcFS" /* proc fs user-visible device */
58 * Device IO Control Code Definitions
61 #define FILE_DEVICE_LIBCFS ('LC')
63 #define FUNC_LIBCFS_VERSION 0x101 // get version of current libcfs
64 #define FUNC_LIBCFS_IOCTL 0x102 // Device i/o control to proc fs
67 #define IOCTL_LIBCFS_VERSION \
68 CTL_CODE (FILE_DEVICE_LIBCFS, FUNC_LIBCFS_VERSION, METHOD_BUFFERED, FILE_ANY_ACCESS)
69 #define IOCTL_LIBCFS_ENTRY \
70 CTL_CODE(FILE_DEVICE_LIBCFS, FUNC_LIBCFS_IOCTL, METHOD_BUFFERED, FILE_ANY_ACCESS)
73 typedef struct _CFS_PROC_IOCTL {
75 ULONG cmd; // ioctl command identifier
76 ULONG len; // length of data
77 int rc; // return code
78 ULONG usused; // unused
80 // UCHAR data[]; // content of the real ioctl
82 } CFS_PROC_IOCTL, *PCFS_PROC_IOCTL;
87 void cfs_enter_debugger(void);
88 #define __builtin_return_address(x) (0)
91 * Symbol functions for libcfs
93 * OSX has no facility for use to register symbol.
94 * So we have to implement it.
96 #define CFS_SYMBOL_LEN 64
99 char name[CFS_SYMBOL_LEN];
105 extern int cfs_symbol_register(const char *, const void *);
106 extern void cfs_symbol_unregister(const char *);
107 extern void * cfs_symbol_get(const char *);
108 extern void cfs_symbol_put(const char *);
109 extern void cfs_symbol_clean();
111 typedef struct file_operations cfs_file_operations_t;
114 * Pseudo device register
121 cfs_file_operations_t * fops;
124 int cfs_psdev_register(cfs_psdev_t * psdev);
125 int cfs_psdev_deregister(cfs_psdev_t * psdev);
129 * Proc emulator file system APIs
132 typedef int cfs_read_proc_t(char *page, char **start, off_t off,
133 int count, int *eof, void *data);
134 typedef int cfs_write_proc_t(struct file *file, const char *buffer,
135 unsigned long count, void *data);
137 #define CFS_PROC_ENTRY_MAGIC 'CPEM'
139 #define CFS_PROC_FLAG_DIRECTORY 0x00000001 // directory node
140 #define CFS_PROC_FLAG_ATTACHED 0x00000002 // node is attached to proc
141 #define CFS_PROC_FLAG_MISCDEV 0x00000004 // miscellaneous device
143 typedef struct cfs_proc_entry
145 ULONG magic; // Magic
146 ULONG flags; // Flags
148 struct _dir_entry { // proc directory entry
149 PRTL_SPLAY_LINKS root;
152 struct cfs_proc_entry *parent;
154 struct _file_entry { // proc file / leaf entry
155 cfs_read_proc_t * read_proc;
156 cfs_write_proc_t * write_proc;
160 unsigned short nlink;
164 struct file_operations *proc_fops;
167 // proc_dir_entry ended.
169 RTL_SPLAY_LINKS s_link; // splay link
172 // Maximum length of proc entry name is 0x20
177 } cfs_proc_entry_t, cfs_proc_dir_entry_t;
179 typedef cfs_proc_entry_t cfs_proc_dir_entry_t;
180 #define proc_dir_entry cfs_proc_entry
182 #define PROC_BLOCK_SIZE PAGE_SIZE
184 struct proc_dir_entry *PDE(const struct inode *inode);
191 typedef struct ctl_table cfs_sysctl_table_t;
192 typedef struct ctl_table_header cfs_sysctl_table_header_t;
195 typedef int ctl_handler (
196 cfs_sysctl_table_t *table,
198 void *oldval, size_t *oldlenp,
199 void *newval, size_t newlen,
202 typedef int proc_handler (
203 cfs_sysctl_table_t *ctl,
204 int write, struct file * filp,
205 void *buffer, size_t *lenp );
208 int proc_dointvec(cfs_sysctl_table_t *table, int write, struct file *filp,
209 void *buffer, size_t *lenp);
211 int proc_dostring(cfs_sysctl_table_t *table, int write, struct file *filp,
212 void *buffer, size_t *lenp);
214 int sysctl_string(cfs_sysctl_table_t *table, int *name, int nlen,
215 void *oldval, size_t *oldlenp,
216 void *newval, size_t newlen, void **context);
219 * System io control definitions
222 #define CTL_MAXNAME 10
224 #define CTL_ANY -1 /* Matches any name */
229 CTL_KERN=1, /* General kernel info and control */
230 CTL_VM=2, /* VM management */
231 CTL_NET=3, /* Networking */
232 CTL_PROC=4, /* Process info */
233 CTL_FS=5, /* Filesystems */
234 CTL_DEBUG=6, /* Debugging */
235 CTL_DEV=7, /* Devices */
236 CTL_BUS=8, /* Busses */
237 CTL_ABI=9, /* Binary emulation */
238 CTL_CPU=10 /* CPU stuff (speed scaling, etc) */
241 /* sysctl table definitons */
249 cfs_sysctl_table_t *child;
250 proc_handler *proc_handler; /* text formatting callback */
251 ctl_handler *strategy; /* read / write callback functions */
252 cfs_proc_entry_t *de; /* proc entry block */
258 /* the mantaner of the cfs_sysctl_table trees */
259 struct ctl_table_header
261 cfs_sysctl_table_t * ctl_table;
262 cfs_list_t ctl_entry;
265 /* proc root entries, support routines */
266 extern cfs_proc_entry_t * cfs_proc_root; /* / */
267 extern cfs_proc_entry_t * cfs_proc_proc; /* /proc */
268 extern cfs_proc_entry_t * cfs_proc_fs; /* /proc/fs */
269 extern cfs_proc_entry_t * cfs_proc_sys; /* /proc/sys */
270 extern cfs_proc_entry_t * cfs_proc_dev; /* /dev */
272 cfs_proc_entry_t * create_proc_entry(const char *name, mode_t mod,
273 cfs_proc_entry_t *parent);
274 void proc_free_entry(cfs_proc_entry_t *de);
275 void remove_proc_entry(const char *name, cfs_proc_entry_t *entry);
276 cfs_proc_entry_t * search_proc_entry(const char * name,
277 cfs_proc_entry_t * root );
278 cfs_proc_entry_t *proc_symlink(const char *name,
279 cfs_proc_entry_t *parent,
281 cfs_proc_entry_t *proc_mkdir(const char *name,
282 cfs_proc_entry_t *parent);
284 #define cfs_create_proc_entry create_proc_entry
285 #define cfs_free_proc_entry proc_free_entry
286 #define cfs_remove_proc_entry remove_proc_entry
288 struct ctl_table_header *register_sysctl_table(cfs_sysctl_table_t * table,
290 void unregister_sysctl_table(struct ctl_table_header * header);
292 #define cfs_register_sysctl_table(t, a) register_sysctl_table(t, a)
293 #define cfs_unregister_sysctl_table(t) unregister_sysctl_table(t)
296 * seq device (linux/seq_file.h)
301 * seq file definitions
308 struct vfsmount *mnt;
309 struct dentry *dentry;
312 struct seq_operations;
324 const struct seq_operations *op;
328 struct seq_operations {
329 void * (*start) (struct seq_file *m, loff_t *pos);
330 void (*stop) (struct seq_file *m, void *v);
331 void * (*next) (struct seq_file *m, void *v, loff_t *pos);
332 int (*show) (struct seq_file *m, void *v);
335 int seq_open(struct file *, const struct seq_operations *);
336 ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
337 loff_t seq_lseek(struct file *, loff_t, int);
338 int seq_release(struct inode *, struct file *);
339 int seq_escape(struct seq_file *, const char *, const char *);
340 int seq_putc(struct seq_file *m, char c);
341 int seq_puts(struct seq_file *m, const char *s);
343 int seq_printf(struct seq_file *, const char *, ...)
344 __attribute__ ((format (printf,2,3)));
346 int seq_path(struct seq_file *, struct path *, char *);
348 int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
349 int single_release(struct inode *, struct file *);
350 void *__seq_open_private(struct file *, const struct seq_operations *, int);
351 int seq_open_private(struct file *, const struct seq_operations *, int);
352 int seq_release_private(struct inode *, struct file *);
354 #define SEQ_START_TOKEN ((void *)1)
357 * Helpers for iteration over list_head-s in seq_files
360 extern cfs_list_t *seq_list_start(cfs_list_t *head, loff_t pos);
361 extern cfs_list_t *seq_list_start_head(cfs_list_t *head, loff_t pos);
362 extern cfs_list_t *seq_list_next(void *v, cfs_list_t *head, loff_t *ppos);
365 * declaration of proc kernel process routines
368 struct file *lustre_open_file(char *filename);
370 int lustre_close_file(struct file *fh);
372 int lustre_do_ioctl(struct file *fh, unsigned long cmd, ulong_ptr_t arg);
374 int lustre_ioctl_file(struct file *fh, PCFS_PROC_IOCTL devctl);
376 size_t lustre_read_file(struct file *fh, loff_t offl, size_t size, char *buf);
378 size_t lustre_write_file(struct file *fh, loff_t off, size_t size, char *buf);
385 typedef int cfs_task_state_t;
387 #define CFS_TASK_INTERRUPTIBLE 0x00000001
388 #define CFS_TASK_UNINT 0x00000002
389 #define CFS_TASK_RUNNING 0x00000003
390 #define CFS_TASK_UNINTERRUPTIBLE CFS_TASK_UNINT
392 #define CFS_WAITQ_MAGIC 'CWQM'
393 #define CFS_WAITLINK_MAGIC 'CWLM'
395 typedef struct cfs_waitq {
405 typedef struct cfs_waitlink cfs_waitlink_t;
407 #define CFS_WAITQ_CHANNELS (2)
409 #define CFS_WAITQ_CHAN_NORMAL (0)
410 #define CFS_WAITQ_CHAN_FORWARD (1)
414 typedef struct cfs_waitlink_channel {
417 cfs_waitlink_t * waitl;
418 } cfs_waitlink_channel_t;
420 struct cfs_waitlink {
427 cfs_waitlink_channel_t waitq[CFS_WAITQ_CHANNELS];
431 CFS_WAITQ_EXCLUSIVE = 1
434 #define CFS_DECL_WAITQ(name) cfs_waitq_t name
438 typedef int (*cfs_thread_t) (void *arg);
440 typedef struct _cfs_thread_context {
443 } cfs_thread_context_t;
445 int cfs_create_thread(int (*func)(void *), void *arg, unsigned long flag);
448 * thread creation flags from Linux, not used in winnt
450 #define CSIGNAL 0x000000ff /* signal mask to be sent at exit */
451 #define CLONE_VM 0x00000100 /* set if VM shared between processes */
452 #define CLONE_FS 0x00000200 /* set if fs info shared between processes */
453 #define CLONE_FILES 0x00000400 /* set if open files shared between processes */
454 #define CLONE_SIGHAND 0x00000800 /* set if signal handlers and blocked signals shared */
455 #define CLONE_PID 0x00001000 /* set if pid shared */
456 #define CLONE_PTRACE 0x00002000 /* set if we want to let tracing continue on the child too */
457 #define CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */
458 #define CLONE_PARENT 0x00008000 /* set if we want to have the same parent as the cloner */
459 #define CLONE_THREAD 0x00010000 /* Same thread group? */
460 #define CLONE_NEWNS 0x00020000 /* New namespace group? */
462 #define CLONE_SIGNAL (CLONE_SIGHAND | CLONE_THREAD)
464 #define CFS_DAEMON_FLAGS (CLONE_VM|CLONE_FILES)
467 * group_info: linux/sched.h
469 #define NGROUPS_SMALL 32
470 #define NGROUPS_PER_BLOCK ((int)(PAGE_SIZE / sizeof(gid_t)))
471 typedef struct cfs_group_info {
474 gid_t small_block[NGROUPS_SMALL];
479 #define cfs_get_group_info(group_info) do { \
480 cfs_atomic_inc(&(group_info)->usage); \
483 #define cfs_put_group_info(group_info) do { \
484 if (cfs_atomic_dec_and_test(&(group_info)->usage)) \
485 cfs_groups_free(group_info); \
488 static __inline cfs_group_info_t *cfs_groups_alloc(int gidsetsize)
490 cfs_group_info_t * groupinfo;
491 KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__, __FUNCTION__));
493 (cfs_group_info_t *)cfs_alloc(sizeof(cfs_group_info_t), 0);
496 memset(groupinfo, 0, sizeof(cfs_group_info_t));
500 static __inline void cfs_groups_free(cfs_group_info_t *group_info)
502 KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__,
504 cfs_free(group_info);
507 cfs_set_current_groups(cfs_group_info_t *group_info)
509 KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__,
513 static __inline int groups_search(cfs_group_info_t *group_info,
515 KdPrint(("%s(%d): %s NOT implemented.\n", __FILE__, __LINE__,
521 * capability issue (linux/capability.h)
524 /* Override resource limits. Set resource limits. */
525 /* Override quota limits. */
526 /* Override reserved space on ext2 filesystem */
527 /* Modify data journaling mode on ext3 filesystem (uses journaling
529 /* NOTE: ext2 honors fsuid when checking for resource overrides, so
530 you can override using fsuid too */
531 /* Override size restrictions on IPC message queues */
532 /* Allow more than 64hz interrupts from the real-time clock */
533 /* Override max number of consoles on console allocation */
534 /* Override max number of keymaps */
536 #define CAP_SYS_RESOURCE 24
539 * capabilities support
542 typedef __u32 cfs_kernel_cap_t;
544 #define cap_raise(c, flag) do {} while(0)
545 #define cap_lower(c, flag) do {} while(0)
546 #define cap_raised(c, flag) do {} while(0)
553 #define CFS_MAX_SCHEDULE_TIMEOUT ((long_ptr_t)(~0UL>>12))
554 #define cfs_schedule_timeout(t) cfs_schedule_timeout_and_set_state(0, t)
559 #define CFS_CURPROC_COMM_MAX (16)
560 typedef struct task_sruct{
567 uid_t uid,euid,suid,fsuid;
568 gid_t gid,egid,sgid,fsgid;
572 gid_t groups[NGROUPS];
573 cfs_group_info_t *group_info;
574 cfs_kernel_cap_t cap_effective,
578 char comm[CFS_CURPROC_COMM_MAX];
583 static inline void task_lock(cfs_task_t *t)
587 static inline void task_unlock(cfs_task_t *t)
592 * linux task struct emulator ...
595 #define TASKMAN_MAGIC 'TMAN' /* Task Manager */
596 #define TASKSLT_MAGIC 'TSLT' /* Task Slot */
598 typedef struct _TASK_MAN {
599 ULONG Magic; /* Magic and Flags */
602 spinlock_t Lock; /* Protection lock */
604 cfs_mem_cache_t *slab; /* Memory slab for task slot */
606 ULONG NumOfTasks; /* Total tasks (threads) */
607 LIST_ENTRY TaskList; /* List of task slots */
608 } TASK_MAN, *PTASK_MAN;
610 typedef struct _TASK_SLOT {
612 ULONG Magic; /* Magic and Flags */
615 LIST_ENTRY Link; /* To be linked to TaskMan */
617 event_t Event; /* Schedule event */
619 HANDLE Pid; /* Process id */
620 HANDLE Tid; /* Thread id */
621 PETHREAD Tet; /* Pointer to ethread */
623 cfs_atomic_t count; /* refer count */
624 cfs_atomic_t hits; /* times of waken event singaled */
626 KIRQL irql; /* irql for rwlock ... */
628 cfs_task_t task; /* linux task part */
630 } TASK_SLOT, *PTASK_SLOT;
633 #define current cfs_current()
634 #define cfs_set_current_state(s) do {;} while (0)
635 #define cfs_set_current_state(state) cfs_set_current_state(state)
637 #define cfs_wait_event(wq, condition) \
639 cfs_waitlink_t __wait; \
641 cfs_waitlink_init(&__wait); \
643 cfs_waitq_add(&wq, &__wait); \
647 cfs_waitq_wait(&__wait, CFS_TASK_INTERRUPTIBLE); \
648 cfs_waitq_del(&wq, &__wait); \
650 cfs_waitq_del(&wq, &__wait); \
653 #define cfs_wait_event_interruptible(wq, condition, __ret) \
655 cfs_waitlink_t __wait; \
658 cfs_waitlink_init(&__wait); \
660 cfs_waitq_add(&wq, &__wait); \
664 cfs_waitq_wait(&__wait, CFS_TASK_INTERRUPTIBLE); \
665 cfs_waitq_del(&wq, &__wait); \
667 cfs_waitq_del(&wq, &__wait); \
670 # define cfs_wait_event_interruptible_exclusive(wq, condition, rc) \
671 cfs_wait_event_interruptible(wq, condition, rc)
674 retval == 0; condition met; we're good.
675 retval < 0; interrupted by signal.
676 retval > 0; timed out.
679 #define cfs_waitq_wait_event_interruptible_timeout( \
680 wq, condition, timeout, rc) \
682 cfs_waitlink_t __wait; \
685 cfs_waitlink_init(&__wait); \
687 cfs_waitq_add(&wq, &__wait); \
691 if (cfs_waitq_timedwait(&__wait, \
692 CFS_TASK_INTERRUPTIBLE, timeout) == 0) { \
696 cfs_waitq_del(&wq, &__wait); \
698 cfs_waitq_del(&wq, &__wait); \
702 #define cfs_waitq_wait_event_timeout \
703 cfs_waitq_wait_event_interruptible_timeout
705 int init_task_manager();
706 void cleanup_task_manager();
707 cfs_task_t * cfs_current();
708 int wake_up_process(cfs_task_t * task);
709 void sleep_on(cfs_waitq_t *waitq);
710 #define cfs_might_sleep() do {} while(0)
711 #define CFS_DECL_JOURNAL_DATA
712 #define CFS_PUSH_JOURNAL do {;} while(0)
713 #define CFS_POP_JOURNAL do {;} while(0)
716 /* module related definitions */
725 typedef struct cfs_module {
729 extern cfs_module_t libcfs_global_module;
730 #define THIS_MODULE &libcfs_global_module
732 #define cfs_request_module(x, y) (0)
733 #define EXPORT_SYMBOL(s)
734 #define MODULE_AUTHOR(s)
735 #define MODULE_DESCRIPTION(s)
736 #define MODULE_LICENSE(s)
737 #define MODULE_PARM(a, b)
738 #define MODULE_PARM_DESC(a, b)
740 #define module_init(X) int __init module_##X() {return X();}
741 #define module_exit(X) void __exit module_##X() {X();}
743 #define DECLARE_INIT(X) extern int __init module_##X(void)
744 #define DECLARE_EXIT(X) extern void __exit module_##X(void)
746 #define MODULE_INIT(X) do { int rc = module_##X(); \
747 if (rc) goto errorout; \
750 #define MODULE_EXIT(X) do { module_##X(); } while(0)
753 /* Module interfaces */
754 #define cfs_module(name, version, init, fini) \
757 #define cfs_module_refcount(x) (1)
763 #define typecheck(a, b) do {} while(0)
769 #define CRYPTO_MAX_ALG_NAME 64
771 #define CRYPTO_TFM_MODE_ECB 0x00000001
772 #define CRYPTO_TFM_MODE_CBC 0x00000002
773 #define CRYPTO_TFM_MODE_CFB 0x00000004
774 #define CRYPTO_TFM_MODE_CTR 0x00000008
775 #define CRYPTO_TFM_MODE_EME 0x00000010
780 /* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */
781 #define GOLDEN_RATIO_PRIME_32 0x9e370001UL
783 #if 0 /* defined in libcfs/libcfs_hash.h */
784 static inline u32 cfs_hash_long(u32 val, unsigned int bits)
786 /* On some cpus multiply is faster, on others gcc will do shifts */
787 u32 hash = val * GOLDEN_RATIO_PRIME_32;
789 /* High bits are more random, so use them. */
790 return hash >> (32 - bits);
798 #define CFS_TIMER_FLAG_INITED 0x00000001 // Initialized already
799 #define CFS_TIMER_FLAG_TIMERED 0x00000002 // KeSetTimer is called
801 typedef struct cfs_timer {
812 void (*proc)(ulong_ptr_t);
818 * libcfs globals initialization/cleanup
822 libcfs_arch_init(void);
825 libcfs_arch_cleanup(void);
828 * cache alignment size
831 #define CFS_L1_CACHE_ALIGN(x) (x)
833 #define __cacheline_aligned
840 #define SMP_CACHE_BYTES 128
841 #define CFS_NR_CPUS (32)
842 #define smp_num_cpus ((CCHAR)KeNumberProcessors)
843 #define cfs_num_possible_cpus() smp_num_cpus
844 #define cfs_num_present_cpus() smp_num_cpus
845 #define cfs_num_online_cpus() smp_num_cpus
846 #define cfs_smp_processor_id() ((USHORT)KeGetCurrentProcessorNumber())
847 #define smp_call_function(f, a, n, w) do {} while(0)
848 #define smp_rmb() do {} while(0)
854 #define CFS_NR_IRQS 512
855 #define cfs_in_interrupt() (0)
861 #define CFS_KERN_EMERG "<0>" /* system is unusable */
862 #define CFS_KERN_ALERT "<1>" /* action must be taken immediately */
863 #define CFS_KERN_CRIT "<2>" /* critical conditions */
864 #define CFS_KERN_ERR "<3>" /* error conditions */
865 #define CFS_KERN_WARNING "<4>" /* warning conditions */
866 #define CFS_KERN_NOTICE "<5>" /* normal but significant condition */
867 #define CFS_KERN_INFO "<6>" /* informational */
868 #define CFS_KERN_DEBUG "<7>" /* debug-level messages */
874 #define inter_module_get(n) cfs_symbol_get(n)
875 #define inter_module_put(n) cfs_symbol_put(n)
878 #define likely(exp) (exp)
881 #define unlikely(exp) (exp)
884 #define local_irq_save(x)
885 #define local_irq_restore(x)
889 #define va_copy(_d, _s) (_d = _s)
891 char *strnchr(const char *s, size_t count, int c);
893 #define adler32(a,b,l) zlib_adler32(a,b,l)
894 ULONG zlib_adler32(ULONG adler, const BYTE *buf, UINT len);
896 typedef ssize_t (*read_actor_t)();
900 * winnt debug routines
905 LONG DebugPrintLevel,
911 KsNtStatusToString (IN NTSTATUS Status);
914 #else /* !__KERNEL__ */
916 void cfs_enter_debugger();
923 #define PAGE_SIZE (4096)
926 #define getpagesize() (4096)
928 #define PAGE_CACHE_SIZE PAGE_SIZE
929 #define PAGE_CACHE_MASK PAGE_MASK
931 #define PTHREAD_MUTEX_INITIALIZER ((pthread_mutex_t) -1)
932 #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER ((pthread_mutex_t) -2)
933 #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER ((pthread_mutex_t) -3)
939 #include "../user-prim.h"
940 #include "../user-lock.h"
941 #include <sys/stat.h>
942 #include <sys/types.h>
944 #define strcasecmp strcmp
945 #define strncasecmp strncmp
949 #define getgrgid(x) (NULL)
955 struct passwd * getpwuid(uid_t uid);
957 int cfs_proc_mknod(const char *path, mode_t mode, dev_t dev);
959 int gethostname(char * name, int namelen);
961 #define setlinebuf(x) do {} while(0)
964 /* Maximum EA Information Length */
965 #define EA_MAX_LENGTH (sizeof(FILE_FULL_EA_INFORMATION) + 15)
968 * proc user mode routines
971 int cfs_proc_open (char * filename, int oflag);
972 int cfs_proc_close(int fd);
973 int cfs_proc_read(int fd, void *buffer, unsigned int count);
974 int cfs_proc_write(int fd, void *buffer, unsigned int count);
975 int cfs_proc_ioctl(int fd, int cmd, void *buffer);
976 FILE *cfs_proc_fopen(char *path, char * mode);
977 char *cfs_proc_fgets(char * buf, int len, FILE *fp);
978 int cfs_proc_fclose(FILE *fp);
980 /* Bits set in the FLAGS argument to `glob'. */
981 #define GLOB_ERR (1 << 0)/* Return on read errors. */
982 #define GLOB_MARK (1 << 1)/* Append a slash to each name. */
983 #define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
984 #define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
985 #define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
986 #define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
987 #define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
988 #define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
990 #if !defined __USE_POSIX2 || defined __USE_BSD || defined __USE_GNU
991 # define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
992 # define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
993 # define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
994 # define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
995 # define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
996 # define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
997 # define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
998 if the user name is not available. */
999 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
1000 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
1001 GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \
1002 GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
1004 # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
1005 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
1009 /* Error returns from `glob'. */
1010 #define GLOB_NOSPACE 1 /* Ran out of memory. */
1011 #define GLOB_ABORTED 2 /* Read error. */
1012 #define GLOB_NOMATCH 3 /* No matches found. */
1013 #define GLOB_NOSYS 4 /* Not implemented. */
1015 /* Previous versions of this file defined GLOB_ABEND instead of
1016 GLOB_ABORTED. Provide a compatibility definition here. */
1017 # define GLOB_ABEND GLOB_ABORTED
1020 /* Structure describing a globbing run. */
1026 size_t gl_pathc; /* Count of paths matched by the pattern. */
1027 char **gl_pathv; /* List of matched pathnames. */
1028 size_t gl_offs; /* Slots to reserve in `gl_pathv'. */
1029 int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */
1031 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
1032 are used instead of the normal file access functions. */
1033 void (*gl_closedir) (void *);
1035 struct dirent *(*gl_readdir) (void *);
1037 void *(*gl_readdir) (void *);
1039 void *(*gl_opendir) (const char *);
1041 int (*gl_lstat) (const char *__restrict, struct stat *__restrict);
1042 int (*gl_stat) (const char *__restrict, struct stat *__restrict);
1044 int (*gl_lstat) (const char *__restrict, void *__restrict);
1045 int (*gl_stat) (const char *__restrict, void *__restrict);
1049 #ifdef __USE_LARGEFILE64
1060 /* If the GLOB_ALTDIRFUNC flag is set, the following functions
1061 are used instead of the normal file access functions. */
1062 void (*gl_closedir) (void *);
1064 struct dirent64 *(*gl_readdir) (void *);
1066 void *(*gl_readdir) (void *);
1068 void *(*gl_opendir) (__const char *);
1070 int (*gl_lstat) (__const char *__restrict, struct stat64 *__restrict);
1071 int (*gl_stat) (__const char *__restrict, struct stat64 *__restrict);
1073 int (*gl_lstat) (__const char *__restrict, void *__restrict);
1074 int (*gl_stat) (__const char *__restrict, void *__restrict);
1079 int glob (const char * __pattern, int __flags,
1080 int (*__errfunc) (const char *, int),
1082 void globfree(glob_t *__pglog);
1084 #endif /* !__KERNEL__ */
1090 static inline void __cfs_module_get(cfs_module_t *module)
1094 static inline int cfs_try_module_get(cfs_module_t *module)
1099 static inline void cfs_module_put(cfs_module_t *module)
1107 typedef sigset_t cfs_sigset_t;
1108 #define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
1109 #define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
1110 #define sigemptyset(what) (*(what) = 0, 0)
1111 #define sigfillset(what) (*(what) = ~(0), 0)
1112 #define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
1115 sigprocmask(int sig, cfs_sigset_t *w1, cfs_sigset_t *w2) {
1119 sigpending(cfs_sigset_t *what) {
1124 * common inode flags (user & kernel)
1127 #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
1128 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
1129 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
1130 #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
1131 #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
1132 #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
1133 #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
1135 #define S_IRWXU 00700
1136 #define S_IRUSR 00400
1137 #define S_IWUSR 00200
1138 #define S_IXUSR 00100
1140 #define S_IRWXG 00070
1141 #define S_IRGRP 00040
1142 #define S_IWGRP 00020
1143 #define S_IXGRP 00010
1145 #define S_IRWXO 00007
1146 #define S_IROTH 00004
1147 #define S_IWOTH 00002
1148 #define S_IXOTH 00001
1150 #define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
1151 #define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
1152 #define S_IRUGO (S_IRUSR|S_IRGRP|S_IROTH)
1153 #define S_IWUGO (S_IWUSR|S_IWGRP|S_IWOTH)
1154 #define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
1158 * linux ioctl coding definitions
1161 #define _IOC_NRBITS 8
1162 #define _IOC_TYPEBITS 8
1163 #define _IOC_SIZEBITS 14
1164 #define _IOC_DIRBITS 2
1166 #define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
1167 #define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
1168 #define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
1169 #define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
1171 #define _IOC_NRSHIFT 0
1172 #define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
1173 #define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
1174 #define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
1179 #define _IOC_NONE 0U
1180 #define _IOC_WRITE 1U
1181 #define _IOC_READ 2U
1183 #define _IOC(dir,type,nr,size) \
1184 (((dir) << _IOC_DIRSHIFT) | \
1185 ((type) << _IOC_TYPESHIFT) | \
1186 ((nr) << _IOC_NRSHIFT) | \
1187 ((size) << _IOC_SIZESHIFT))
1189 /* used to create numbers */
1190 #define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
1191 #define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
1192 #define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
1193 #define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
1195 /* used to decode ioctl numbers.. */
1196 #define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
1197 #define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
1198 #define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
1199 #define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
1201 /* i/o vector sgructure ... */
1207 /* idr support routines */
1208 struct idr_context *cfs_idr_init();
1209 int cfs_idr_remove(struct idr_context *idp, int id);
1210 int cfs_idr_get_new(struct idr_context *idp, void *ptr);
1211 int cfs_idr_get_new_above(struct idr_context *idp, void *ptr, int starting_id);
1212 void *cfs_idr_find(struct idr_context *idp, int id);
1213 void cfs_idr_exit(struct idr_context *idp);
1215 /* runtime time routines for both kenrel and user mode */
1216 extern int cfs_isalpha(int);
1217 extern int cfs_isspace(int);
1218 extern int cfs_isupper(int);
1219 extern int cfs_isdigit(int);
1220 extern int cfs_isxdigit(int);
1222 #define ULONG_LONG_MAX ((__u64)(0xFFFFFFFFFFFFFFFF))
1224 * Convert a string to an unsigned long long integer.
1226 * Ignores `locale' stuff. Assumes that the upper and lower case
1227 * alphabets and digits are each contiguous.
1229 __u64 strtoull(char *nptr, char **endptr,int base);
1235 /* For communication from `getopt' to the caller.
1236 When `getopt' finds an option that takes an argument,
1237 the argument value is returned here.
1238 Also, when `ordering' is RETURN_IN_ORDER,
1239 each non-option ARGV-element is returned here. */
1241 extern char *optarg;
1243 /* Index in ARGV of the next element to be scanned.
1244 This is used for communication to and from the caller
1245 and for communication between successive calls to `getopt'.
1247 On entry to `getopt', zero means this is the first call; initialize.
1249 When `getopt' returns -1, this is the index of the first of the
1250 non-option elements that the caller should itself scan.
1252 Otherwise, `optind' communicates from one call to the next
1253 how much of ARGV has been scanned so far. */
1257 /* Callers store zero here to inhibit the error message `getopt' prints
1258 for unrecognized options. */
1262 /* Set to an option character which was unrecognized. */
1270 /* has_arg can't be an enum because some compilers complain about
1271 type mismatches in all the code that assumes it is an int. */
1277 /* Names for the values of the `has_arg' field of `struct option'. */
1278 # define no_argument 0
1279 # define required_argument 1
1280 # define optional_argument 2
1282 extern int getopt(int ___argc, char *const *___argv, const char *__shortopts);
1283 extern int getopt_long (int ___argc, char *const *___argv,
1284 const char *__shortopts,
1285 const struct option *__longopts, int *__longind);
1286 extern int getopt_long_only (int ___argc, char *const *___argv,
1287 const char *__shortopts,
1288 const struct option *__longopts, int *__longind);
1290 extern char *strcasestr (const char *phaystack, const char *pneedle);
1293 * global environment runtime routine
1296 static __inline char * __cdecl cfs_getenv(const char *ENV) {return NULL;}
1297 static __inline void __cdecl set_getenv(const char *ENV, const char *value, int overwrite) {}
1299 int setenv(const char *envname, const char *envval, int overwrite);
1301 typedef struct utsname {
1309 int uname(struct utsname *uts);