1/*
2 * Copyright 2004-2005, Haiku Inc. All rights reserved.
3 * Distributed under the terms of the MIT License.
4 */
5#ifndef _KERNEL_SYSCALLS_H
6#define _KERNEL_SYSCALLS_H
7
8
9#include <OS.h>
10#include <image.h>
11//#include <disk_device_manager/ddm_userland_interface.h>
12#include <storage/DiskDeviceDefs.h>
13
14//#include <sys/select.h>
15#include <sys/uio.h>
16
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22struct sigaction;
23struct rlimit;
24struct stat;
25struct pollfd;
26struct fs_info;
27struct dirent;
28
29// This marks the beginning of the syscalls prototypes for gensyscallinfos.
30// NOTE:
31// * Nothing but those prototypes may live here.
32// * The arguments of the functions must be named to be processed properly.
33
34#ifdef GEN_SYSCALL_INFOS_PROCESSING
35#pragma syscalls begin
36#endif
37
38extern int     		_kern_null();
39extern status_t		_kern_generic_syscall(const char *subsystem, uint32 function,
40						void *buffer, size_t bufferSize);
41
42extern int			_kern_getrlimit(int resource, struct rlimit * rlp);
43extern int			_kern_setrlimit(int resource, const struct rlimit * rlp);
44
45extern status_t		_kern_shutdown(bool reboot);
46extern status_t		_kern_get_safemode_option(const char *parameter, char *buffer, size_t *_bufferSize);
47
48/* sem functions */
49extern sem_id		_kern_create_sem(int count, const char *name);
50extern status_t		_kern_delete_sem(sem_id id);
51extern status_t		_kern_switch_sem(sem_id releaseSem, sem_id id);
52extern status_t		_kern_switch_sem_etc(sem_id releaseSem, sem_id id, uint32 count,
53						uint32 flags, bigtime_t timeout);
54extern status_t		_kern_acquire_sem(sem_id id);
55extern status_t		_kern_acquire_sem_etc(sem_id id, uint32 count, uint32 flags, bigtime_t timeout);
56extern status_t		_kern_release_sem(sem_id id);
57extern status_t		_kern_release_sem_etc(sem_id id, uint32 count, uint32 flags);
58extern status_t		_kern_get_sem_count(sem_id id, int32* thread_count);
59extern status_t		_kern_get_sem_info(sem_id semaphore, struct sem_info *info, size_t size);
60extern status_t		_kern_get_next_sem_info(team_id team, uint32 *cookie,
61						struct sem_info *info, size_t size);
62extern status_t		_kern_set_sem_owner(sem_id id, team_id proc);
63
64/* team & thread syscalls */
65
66// extern thread_id	_kern_load_image(int32 argCount, const char **args,
67// 						int32 envCount, const char **envp, int32 priority,
68// 						uint32 flags);
69// extern void			_kern_exit_team(status_t returnValue);
70// extern status_t		_kern_kill_team(team_id team);
71// extern team_id		_kern_get_current_team();
72// extern status_t		_kern_wait_for_team(team_id team, status_t *_returnCode);
73// extern thread_id	_kern_wait_for_child(thread_id child, uint32 flags,
74// 						int32 *_reason, status_t *_returnCode);
75// extern status_t		_kern_exec(const char *path, int32 argc, char * const *argv, int32 envCount,
76// 						char * const *environment);
77// extern thread_id	_kern_fork(void);
78// extern pid_t		_kern_process_info(pid_t process, int32 which);
79// extern pid_t		_kern_setpgid(pid_t process, pid_t group);
80// extern pid_t		_kern_setsid(void);
81
82// extern thread_id	_kern_spawn_thread(int32 (*func)(thread_func, void *),
83// 						const char *name, int32 priority, void *data1, void *data2);
84// extern thread_id	_kern_find_thread(const char *name);
85// extern status_t		_kern_suspend_thread(thread_id thread);
86// extern status_t		_kern_resume_thread(thread_id thread);
87// extern status_t		_kern_rename_thread(thread_id thread, const char *newName);
88// extern status_t		_kern_set_thread_priority(thread_id thread, int32 newPriority);
89// extern status_t		_kern_kill_thread(thread_id thread);
90// extern void			_kern_exit_thread(status_t returnValue);
91// extern status_t		_kern_wait_for_thread(thread_id thread, status_t *_returnCode);
92// extern bool			_kern_has_data(thread_id thread);
93// extern status_t		_kern_send_data(thread_id thread, int32 code, const void *buffer, size_t bufferSize);
94// extern int32		_kern_receive_data(thread_id *_sender, void *buffer, size_t bufferSize);
95// extern int64		_kern_restore_signal_frame();
96
97// extern status_t		_kern_get_thread_info(thread_id id, thread_info *info);
98// extern status_t		_kern_get_next_thread_info(team_id team, int32 *cookie, thread_info *info);
99// extern status_t		_kern_get_team_info(team_id id, team_info *info);
100// extern status_t		_kern_get_next_team_info(int32 *cookie, team_info *info);
101// extern status_t		_kern_get_team_usage_info(team_id team, int32 who, team_usage_info *info, size_t size);
102
103// signal functions
104// extern int			_kern_send_signal(pid_t tid, uint sig);
105// extern int			_kern_sigprocmask(int how, const sigset_t *set, sigset_t *oldSet);
106// extern int			_kern_sigaction(int sig, const struct sigaction *action, struct sigaction *oldAction);
107// extern bigtime_t	_kern_set_alarm(bigtime_t time, uint32 mode);
108
109// image functions
110// extern image_id		_kern_register_image(image_info *info, size_t size);
111// extern status_t		_kern_unregister_image(image_id id);
112// extern void			_kern_image_relocated(image_id id);
113// extern void			_kern_loading_app_failed(status_t error);
114// extern status_t		_kern_get_image_info(image_id id, image_info *info, size_t size);
115// extern status_t		_kern_get_next_image_info(team_id team, int32 *cookie, image_info *info, size_t size);
116
117// VFS functions
118// extern status_t		_kern_mount(const char *path, const char *device,
119// 						const char *fs_name, uint32 flags, const char *args);
120// extern status_t		_kern_unmount(const char *path, uint32 flags);
121// extern status_t		_kern_read_fs_info(dev_t device, struct fs_info *info);
122// extern status_t		_kern_write_fs_info(dev_t device, const struct fs_info *info, int mask);
123// extern dev_t		_kern_next_device(int32 *_cookie);
124// extern status_t		_kern_sync(void);
125extern status_t		_kern_entry_ref_to_path(dev_t device, ino_t inode,
126						const char *leaf, char *userPath, size_t pathLength);
127extern int			_kern_open_entry_ref(dev_t device, ino_t inode, const char *name, int openMode, int perms);
128extern int			_kern_open(int fd, const char *path, int openMode, int perms);
129extern int			_kern_open_dir_entry_ref(dev_t device, ino_t inode, const char *name);
130extern int			_kern_open_dir(int fd, const char *path);
131extern int			_kern_open_parent_dir(int fd, char *name,
132						size_t nameLength);
133// extern status_t		_kern_fcntl(int fd, int op, uint32 argument);
134extern status_t		_kern_fsync(int fd);
135extern off_t		_kern_seek(int fd, off_t pos, int seekType);
136extern status_t		_kern_create_dir_entry_ref(dev_t device, ino_t inode, const char *name, int perms);
137extern status_t		_kern_create_dir(int fd, const char *path, int perms);
138// extern status_t		_kern_remove_dir(const char *path);
139extern status_t		_kern_read_link(int fd, const char *path, char *buffer,
140						size_t *_bufferSize);
141// extern status_t		_kern_write_link(const char *path, const char *toPath);
142extern status_t		_kern_create_symlink(int fd, const char *path,
143						const char *toPath, int mode);
144// extern status_t		_kern_create_link(const char *path, const char *toPath);
145extern status_t		_kern_unlink(int fd, const char *path);
146extern status_t		_kern_rename(int oldDir, const char *oldpath, int newDir,
147						const char *newpath);
148// extern status_t		_kern_access(const char *path, int mode);
149// extern ssize_t		_kern_select(int numfds, fd_set *readSet, fd_set *writeSet, fd_set *errorSet,
150// 						bigtime_t timeout, const sigset_t *sigMask);
151// extern ssize_t		_kern_poll(struct pollfd *fds, int numfds, bigtime_t timeout);
152extern int			_kern_open_attr_dir(int fd, const char *path);
153// extern int			_kern_create_attr(int fd, const char *name, uint32 type, int openMode);
154// extern int			_kern_open_attr(int fd, const char *name, int openMode);
155extern status_t		_kern_remove_attr(int fd, const char *name);
156extern status_t		_kern_rename_attr(int fromFile, const char *fromName, int toFile, const char *toName);
157// extern int			_kern_open_index_dir(dev_t device);
158// extern status_t		_kern_create_index(dev_t device, const char *name, uint32 type, uint32 flags);
159// extern status_t		_kern_read_index_stat(dev_t device, const char *name, struct stat *stat);
160// extern status_t		_kern_remove_index(dev_t device, const char *name);
161// extern status_t		_kern_getcwd(char *buffer, size_t size);
162// extern status_t		_kern_setcwd(int fd, const char *path);
163// extern int			_kern_open_query(dev_t device, const char *query, size_t queryLength,
164// 						uint32 flags, port_id port, int32 token);
165
166// file descriptor functions
167extern ssize_t		_kern_read(int fd, off_t pos, void *buffer, size_t bufferSize);
168//extern ssize_t		_kern_readv(int fd, off_t pos, const iovec *vecs, size_t count);
169extern ssize_t		_kern_write(int fd, off_t pos, const void *buffer, size_t bufferSize);
170//extern ssize_t		_kern_writev(int fd, off_t pos, const iovec *vecs, size_t count);
171// extern status_t		_kern_ioctl(int fd, ulong cmd, void *data, size_t length);
172extern ssize_t		_kern_read_dir(int fd, struct dirent *buffer, size_t bufferSize, uint32 maxCount);
173extern status_t		_kern_rewind_dir(int fd);
174extern status_t		_kern_read_stat(int fd, const char *path, bool traverseLink,
175						struct stat *stat, size_t statSize);
176extern status_t		_kern_write_stat(int fd, const char *path,
177						bool traverseLink, const struct stat *stat,
178						size_t statSize, int statMask);
179extern status_t		_kern_close(int fd);
180extern int			_kern_dup(int fd);
181// extern int			_kern_dup2(int ofd, int nfd);
182extern status_t		_kern_lock_node(int fd);
183extern status_t		_kern_unlock_node(int fd);
184
185// node monitor functions
186// extern status_t		_kern_stop_notifying(port_id port, uint32 token);
187// extern status_t		_kern_start_watching(dev_t device, ino_t node, uint32 flags,
188// 						port_id port, uint32 token);
189// extern status_t		_kern_stop_watching(dev_t device, ino_t node, uint32 flags,
190// 						port_id port, uint32 token);
191
192// time functions
193// extern status_t		_kern_set_real_time_clock(uint32 time);
194// extern status_t		_kern_set_timezone(int32 timezoneOffset, bool daylightSavingTime);
195// extern status_t		_kern_set_tzfilename(const char *filename, size_t length, bool isGMT);
196// extern status_t		_kern_get_tzfilename(char *filename, size_t length, bool *_isGMT);
197//
198// extern bigtime_t	_kern_system_time();
199// extern status_t		_kern_snooze_etc(bigtime_t time, int timebase, int32 flags);
200
201// area functions
202// extern area_id		_kern_create_area(const char *name, void **address, uint32 addressSpec,
203// 						size_t size, uint32 lock, uint32 protection);
204// extern status_t		_kern_delete_area(area_id area);
205// extern area_id		_kern_area_for(void *address);
206// extern area_id		_kern_find_area(const char *name);
207// extern status_t		_kern_get_area_info(area_id area, area_info *info);
208// extern status_t		_kern_get_next_area_info(team_id team, int32 *cookie, area_info *info);
209// extern status_t		_kern_resize_area(area_id area, size_t newSize);
210// extern area_id		_kern_transfer_area(area_id area, void **_address, uint32 addressSpec,
211// 						team_id target);
212// extern status_t		_kern_set_area_protection(area_id area, uint32 newProtection);
213// extern area_id		_kern_clone_area(const char *name, void **_address, uint32 addressSpec,
214// 						uint32 protection, area_id sourceArea);
215// extern status_t		_kern_init_heap_address_range(addr_t base, addr_t size);
216//
217// area_id sys_vm_map_file(const char *name, void **address, int addr_type,
218// 			addr_t size, int lock, int mapping, const char *path, off_t offset);
219
220/* kernel port functions */
221// extern port_id		_kern_create_port(int32 queue_length, const char *name);
222// extern status_t		_kern_close_port(port_id id);
223// extern status_t		_kern_delete_port(port_id id);
224// extern port_id		_kern_find_port(const char *port_name);
225// extern status_t		_kern_get_port_info(port_id id, struct port_info *info);
226// extern status_t	 	_kern_get_next_port_info(team_id team, uint32 *cookie, struct port_info *info);
227// extern ssize_t		_kern_port_buffer_size_etc(port_id port, uint32 flags, bigtime_t timeout);
228// extern int32		_kern_port_count(port_id port);
229// extern ssize_t		_kern_read_port_etc(port_id port, int32 *msgCode, void *msgBuffer,
230// 						size_t bufferSize, uint32 flags, bigtime_t timeout);
231// extern status_t		_kern_set_port_owner(port_id port, team_id team);
232// extern status_t		_kern_write_port_etc(port_id port, int32 msgCode, const void *msgBuffer,
233// 						size_t bufferSize, uint32 flags, bigtime_t timeout);
234// extern status_t		_kern_writev_port_etc(port_id id, int32 msgCode, const iovec *msgVecs,
235// 						size_t vecCount, size_t bufferSize, uint32 flags, bigtime_t timeout);
236
237// debug support functions
238// extern void			_kern_debugger(const char *message);
239// extern int			_kern_disable_debugger(int state);
240//
241// extern status_t		_kern_install_default_debugger(port_id debuggerPort);
242// extern port_id		_kern_install_team_debugger(team_id team,
243// 						port_id debuggerPort);
244// extern status_t		_kern_remove_team_debugger(team_id team);
245// extern status_t		_kern_debug_thread(thread_id thread);
246// extern void			_kern_wait_for_debugger(void);
247
248
249/* atomic_* ops (needed for CPUs that don't support them directly) */
250// #ifdef ATOMIC_FUNCS_ARE_SYSCALLS
251// extern int32		_kern_atomic_set(vint32 *value, int32 newValue);
252// extern int32		_kern_atomic_test_and_set(vint32 *value, int32 newValue, int32 testAgainst);
253// extern int32		_kern_atomic_add(vint32 *value, int32 addValue);
254// extern int32		_kern_atomic_and(vint32 *value, int32 andValue);
255// extern int32		_kern_atomic_or(vint32 *value, int32 orValue);
256// extern int32		_kern_atomic_get(vint32 *value);
257// #endif	// ATOMIC_FUNCS_ARE_SYSCALLS
258
259// #ifdef ATOMIC64_FUNCS_ARE_SYSCALLS
260// extern int64		_kern_atomic_set64(vint64 *value, int64 newValue);
261// extern int64		_kern_atomic_test_and_set64(vint64 *value, int64 newValue, int64 testAgainst);
262// extern int64		_kern_atomic_add64(vint64 *value, int64 addValue);
263// extern int64		_kern_atomic_and64(vint64 *value, int64 andValue);
264// extern int64		_kern_atomic_or64(vint64 *value, int64 orValue);
265// extern int64		_kern_atomic_get64(vint64 *value);
266// #endif	// ATOMIC64_FUNCS_ARE_SYSCALLS
267
268// int sys_sysctl(int *name, uint namlen, void *oldp, size_t *oldlen,
269// 		void *newp, size_t newlen);
270// int sys_socket(int family, int type, int proto);
271
272/* System informations */
273// extern status_t		_kern_get_system_info(system_info *info, size_t size);
274
275/* Debug output */
276// extern void			_kern_debug_output(const char *message);
277// extern status_t		_kern_frame_buffer_update(addr_t baseAddress, int32 width,
278// 						int32 height, int32 depth, int32 bytesPerRow);
279
280/* messaging service */
281// extern area_id		_kern_register_messaging_service(sem_id lockingSem,
282// 						sem_id counterSem);
283// extern status_t		_kern_unregister_messaging_service();
284//
285// extern void			_kern_clear_caches(void *address, size_t length, uint32 flags);
286
287// #ifdef __INTEL__
288// // our only x86 only syscall
289// extern status_t		_kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu);
290// #endif
291
292
293/* Disk Device Manager syscalls */
294
295// iterating, retrieving device/partition data
296extern partition_id	_kern_get_next_disk_device_id(int32 *cookie, size_t *neededSize);
297extern partition_id	_kern_find_disk_device(const char *filename, size_t *neededSize);
298extern partition_id	_kern_find_partition(const char *filename, size_t *neededSize);
299extern status_t		_kern_get_disk_device_data(partition_id deviceID, bool deviceOnly,
300						bool shadow, struct user_disk_device_data *buffer,
301						size_t bufferSize, size_t *neededSize);
302extern partition_id	_kern_register_file_device(const char *filename);
303extern status_t		_kern_unregister_file_device(partition_id deviceID,
304						const char *filename);
305	// Only a valid deviceID or filename need to be passed. The other one
306	// is -1/NULL. If both is given only filename is ignored.
307
308// disk systems
309extern status_t		_kern_get_disk_system_info(disk_system_id id,
310						struct user_disk_system_info *info);
311extern status_t		_kern_get_next_disk_system_info(int32 *cookie,
312						struct user_disk_system_info *info);
313extern status_t		_kern_find_disk_system(const char *name,
314						struct user_disk_system_info *info);
315extern bool			_kern_supports_defragmenting_partition(partition_id partitionID,
316						int32 changeCounter, bool *whileMounted);
317extern bool			_kern_supports_repairing_partition(partition_id partitionID,
318						int32 changeCounter, bool checkOnly, bool *whileMounted);
319extern bool			_kern_supports_resizing_partition(partition_id partitionID,
320						int32 changeCounter, bool *canResizeContents, bool *whileMounted);
321extern bool			_kern_supports_moving_partition(partition_id partitionID,
322						int32 changeCounter, partition_id *unmovable,
323						partition_id *needUnmounting, size_t bufferSize);
324extern bool			_kern_supports_setting_partition_name(partition_id partitionID,
325						int32 changeCounter);
326extern bool			_kern_supports_setting_partition_content_name(partition_id partitionID,
327						int32 changeCounter, bool *whileMounted);
328extern bool			_kern_supports_setting_partition_type(partition_id partitionID,
329						int32 changeCounter);
330extern bool			_kern_supports_setting_partition_parameters(partition_id partitionID,
331						int32 changeCounter);
332extern bool			_kern_supports_setting_partition_content_parameters(
333						partition_id partitionID, int32 changeCounter, bool *whileMounted);
334extern bool			_kern_supports_initializing_partition(partition_id partitionID,
335						int32 changeCounter, const char *diskSystemName);
336extern bool			_kern_supports_creating_child_partition(partition_id partitionID,
337						int32 changeCounter);
338extern bool			_kern_supports_deleting_child_partition(partition_id partitionID,
339						int32 changeCounter);
340extern bool			_kern_is_sub_disk_system_for(disk_system_id diskSystemID,
341						partition_id partitionID, int32 changeCounter);
342
343extern status_t		_kern_validate_resize_partition(partition_id partitionID,
344						int32 changeCounter, off_t *size);
345extern status_t		_kern_validate_move_partition(partition_id partitionID,
346						int32 changeCounter, off_t *newOffset);
347extern status_t		_kern_validate_set_partition_name(partition_id partitionID,
348						int32 changeCounter, char *name);
349extern status_t		_kern_validate_set_partition_content_name(partition_id partitionID,
350						int32 changeCounter, char *name);
351extern status_t		_kern_validate_set_partition_type(partition_id partitionID,
352						int32 changeCounter, const char *type);
353extern status_t		_kern_validate_initialize_partition(partition_id partitionID,
354						int32 changeCounter, const char *diskSystemName,
355						char *name, const char *parameters, size_t parametersSize);
356extern status_t		_kern_validate_create_child_partition(partition_id partitionID,
357						int32 changeCounter, off_t *offset, off_t *size,
358						const char *type, const char *parameters,
359						size_t parametersSize);
360extern status_t		_kern_get_partitionable_spaces(partition_id partitionID,
361						int32 changeCounter,
362						struct partitionable_space_data *buffer, int32 count,
363						int32 *actualCount);
364extern status_t		_kern_get_next_supported_partition_type(partition_id partitionID,
365						int32 changeCounter, int32 *cookie, char *type);
366extern status_t		_kern_get_partition_type_for_content_type(disk_system_id diskSystemID,
367						const char *contentType, char *type);
368
369// disk device modification
370extern status_t		_kern_prepare_disk_device_modifications(partition_id deviceID);
371extern status_t		_kern_commit_disk_device_modifications(partition_id deviceID,
372						port_id port, int32 token, bool completeProgress);
373extern status_t		_kern_cancel_disk_device_modifications(partition_id deviceID);
374extern bool			_kern_is_disk_device_modified(partition_id deviceID);
375extern status_t		_kern_defragment_partition(partition_id partitionID,
376						int32 changeCounter);
377extern status_t		_kern_repair_partition(partition_id partitionID, int32 changeCounter,
378						bool checkOnly);
379extern status_t		_kern_resize_partition(partition_id partitionID, int32 changeCounter,
380						off_t size);
381extern status_t		_kern_move_partition(partition_id partitionID, int32 changeCounter,
382						off_t newOffset);
383extern status_t		_kern_set_partition_name(partition_id partitionID,
384						int32 changeCounter, const char *name);
385extern status_t		_kern_set_partition_content_name(partition_id partitionID,
386						int32 changeCounter, const char *name);
387extern status_t		_kern_set_partition_type(partition_id partitionID,
388						int32 changeCounter, const char *type);
389extern status_t		_kern_set_partition_parameters(partition_id partitionID,
390						int32 changeCounter, const char *parameters,
391						size_t parametersSize);
392extern status_t		_kern_set_partition_content_parameters(partition_id partitionID,
393						int32 changeCounter, const char *parameters,
394						size_t parametersSize);
395extern status_t		_kern_initialize_partition(partition_id partitionID,
396						int32 changeCounter, const char *diskSystemName,
397						const char *name, const char *parameters,
398						size_t parametersSize);
399extern status_t		_kern_uninitialize_partition(partition_id partitionID,
400						int32 changeCounter);
401extern status_t		_kern_create_child_partition(partition_id partitionID,
402						int32 changeCounter, off_t offset, off_t size, const char *type,
403						const char *parameters, size_t parametersSize,
404						partition_id *childID);
405extern status_t		_kern_delete_partition(partition_id partitionID, int32 changeCounter);
406extern status_t		_kern_delete_child_partition(partition_id partitionID,
407						int32* changeCounter, partition_id childID,
408						int32 childChangeCounter);
409
410// jobs
411extern status_t		_kern_get_next_disk_device_job_info(int32 *cookie,
412						struct user_disk_device_job_info *info);
413extern status_t		_kern_get_disk_device_job_info(disk_job_id id,
414						struct user_disk_device_job_info *info);
415extern status_t		_kern_get_disk_device_job_progress_info(disk_job_id id,
416						struct disk_device_job_progress_info *info);
417extern status_t		_kern_pause_disk_device_job(disk_job_id id);
418extern status_t		_kern_cancel_disk_device_job(disk_job_id id, bool reverse);
419
420#if 0
421
422// watching
423status_t start_disk_device_watching(port_id, int32 token, uint32 flags);
424status_t start_disk_device_job_watching(disk_job_id job, port_id, int32 token,
425										uint32 flags);
426status_t stop_disk_device_watching(port_id, int32 token);
427
428#endif	// 0
429
430
431// The end mark for gensyscallinfos.
432#ifdef GEN_SYSCALL_INFOS_PROCESSING
433#pragma syscalls end
434#endif
435
436#ifdef __cplusplus
437}
438#endif
439
440#endif	/* _KERNEL_SYSCALLS_H */
441