source: tags/minix3.1.2a-orig/minix/include/minix/com.h@ 10

Last change on this file since 10 was 9, checked in by Mattia Monga, 13 years ago

Minix 3.1.2a

File size: 22.9 KB
Line 
1#ifndef _MINIX_COM_H
2#define _MINIX_COM_H
3
4/*===========================================================================*
5 * Magic process numbers *
6 *===========================================================================*/
7
8/* These may not be any valid endpoint (see <minix/endpoint.h>). */
9#define ANY 0x7ace /* used to indicate 'any process' */
10#define NONE 0x6ace /* used to indicate 'no process at all' */
11#define SELF 0x8ace /* used to indicate 'own process' */
12#define _MAX_MAGIC_PROC (SELF) /* used by <minix/endpoint.h>
13 to determine generation size */
14
15/*===========================================================================*
16 * Process numbers of processes in the system image *
17 *===========================================================================*/
18
19/* The values of several task numbers depend on whether they or other tasks
20 * are enabled. They are defined as (PREVIOUS_TASK - ENABLE_TASK) in general.
21 * ENABLE_TASK is either 0 or 1, so a task either gets a new number, or gets
22 * the same number as the previous task and is further unused. Note that the
23 * order should correspond to the order in the task table defined in table.c.
24 */
25
26/* Kernel tasks. These all run in the same address space. */
27#define IDLE -4 /* runs when no one else can run */
28#define CLOCK -3 /* alarms and other clock functions */
29#define SYSTEM -2 /* request system functionality */
30#define KERNEL -1 /* pseudo-process for IPC and scheduling */
31#define HARDWARE KERNEL /* for hardware interrupt handlers */
32
33/* Number of tasks. Note that NR_PROCS is defined in <minix/config.h>. */
34#define NR_TASKS 4
35
36/* User-space processes, that is, device drivers, servers, and INIT. */
37#define PM_PROC_NR 0 /* process manager */
38#define FS_PROC_NR 1 /* file system */
39#define RS_PROC_NR 2 /* reincarnation server */
40#define MEM_PROC_NR 3 /* memory driver (RAM disk, null, etc.) */
41#define LOG_PROC_NR 4 /* log device driver */
42#define TTY_PROC_NR 5 /* terminal (TTY) driver */
43#define DS_PROC_NR 6 /* data store server */
44#define INIT_PROC_NR 7 /* init -- goes multiuser */
45
46/* Number of processes contained in the system image. */
47#define NR_BOOT_PROCS (NR_TASKS + INIT_PROC_NR + 1)
48
49/*===========================================================================*
50 * Kernel notification types *
51 *===========================================================================*/
52
53/* Kernel notification types. In principle, these can be sent to any process,
54 * so make sure that these types do not interfere with other message types.
55 * Notifications are prioritized because of the way they are unhold() and
56 * blocking notifications are delivered. The lowest numbers go first. The
57 * offset are used for the per-process notification bit maps.
58 */
59#define NOTIFY_MESSAGE 0x1000
60#define NOTIFY_FROM(p_nr) (NOTIFY_MESSAGE | ((p_nr) + NR_TASKS))
61# define PROC_EVENT NOTIFY_FROM(PM_PROC_NR) /* process status change */
62# define SYN_ALARM NOTIFY_FROM(CLOCK) /* synchronous alarm */
63# define SYS_SIG NOTIFY_FROM(SYSTEM) /* system signal */
64# define HARD_INT NOTIFY_FROM(HARDWARE) /* hardware interrupt */
65# define NEW_KSIG NOTIFY_FROM(HARDWARE) /* new kernel signal */
66# define FKEY_PRESSED NOTIFY_FROM(TTY_PROC_NR)/* function key press */
67# define DEV_PING NOTIFY_FROM(RS_PROC_NR) /* driver liveness ping */
68
69/* Shorthands for message parameters passed with notifications. */
70#define NOTIFY_SOURCE m_source
71#define NOTIFY_TYPE m_type
72#define NOTIFY_ARG m2_l1
73#define NOTIFY_TIMESTAMP m2_l2
74#define NOTIFY_FLAGS m2_i1
75
76/*===========================================================================*
77 * Messages for BUS controller drivers *
78 *===========================================================================*/
79#define BUSC_RQ_BASE 0x300 /* base for request types */
80#define BUSC_RS_BASE 0x380 /* base for response types */
81
82#define BUSC_PCI_INIT (BUSC_RQ_BASE + 0) /* First message to
83 * PCI driver
84 */
85#define BUSC_PCI_FIRST_DEV (BUSC_RQ_BASE + 1) /* Get index (and
86 * vid/did) of the
87 * first PCI device
88 */
89#define BUSC_PCI_NEXT_DEV (BUSC_RQ_BASE + 2) /* Get index (and
90 * vid/did) of the
91 * next PCI device
92 */
93#define BUSC_PCI_FIND_DEV (BUSC_RQ_BASE + 3) /* Get index of a
94 * PCI device based on
95 * bus/dev/function
96 */
97#define BUSC_PCI_IDS (BUSC_RQ_BASE + 4) /* Get vid/did from an
98 * index
99 */
100#define BUSC_PCI_DEV_NAME (BUSC_RQ_BASE + 5) /* Get the name of a
101 * PCI device
102 */
103#define BUSC_PCI_SLOT_NAME (BUSC_RQ_BASE + 6) /* Get the name of a
104 * PCI slot
105 */
106#define BUSC_PCI_RESERVE (BUSC_RQ_BASE + 7) /* Reserve a PCI dev */
107#define BUSC_PCI_ATTR_R8 (BUSC_RQ_BASE + 8) /* Read 8-bit
108 * attribute value
109 */
110#define BUSC_PCI_ATTR_R16 (BUSC_RQ_BASE + 9) /* Read 16-bit
111 * attribute value
112 */
113#define BUSC_PCI_ATTR_R32 (BUSC_RQ_BASE + 10) /* Read 32-bit
114 * attribute value
115 */
116#define BUSC_PCI_ATTR_W8 (BUSC_RQ_BASE + 11) /* Write 8-bit
117 * attribute value
118 */
119#define BUSC_PCI_ATTR_W16 (BUSC_RQ_BASE + 12) /* Write 16-bit
120 * attribute value
121 */
122#define BUSC_PCI_ATTR_W32 (BUSC_RQ_BASE + 13) /* Write 32-bit
123 * attribute value
124 */
125#define BUSC_PCI_RESCAN (BUSC_RQ_BASE + 14) /* Rescan bus */
126
127/*===========================================================================*
128 * Messages for BLOCK and CHARACTER device drivers *
129 *===========================================================================*/
130
131/* Message types for device drivers. */
132#define DEV_RQ_BASE 0x400 /* base for device request types */
133#define DEV_RS_BASE 0x500 /* base for device response types */
134
135#define CANCEL (DEV_RQ_BASE + 0) /* force a task to cancel */
136#define DEV_READ (DEV_RQ_BASE + 3) /* read from minor device */
137#define DEV_WRITE (DEV_RQ_BASE + 4) /* write to minor device */
138#define DEV_IOCTL (DEV_RQ_BASE + 5) /* I/O control code */
139#define DEV_OPEN (DEV_RQ_BASE + 6) /* open a minor device */
140#define DEV_CLOSE (DEV_RQ_BASE + 7) /* close a minor device */
141#define DEV_SCATTER (DEV_RQ_BASE + 8) /* write from a vector */
142#define DEV_GATHER (DEV_RQ_BASE + 9) /* read into a vector */
143#define TTY_SETPGRP (DEV_RQ_BASE + 10) /* set process group */
144#define TTY_EXIT (DEV_RQ_BASE + 11) /* process group leader exited */
145#define DEV_SELECT (DEV_RQ_BASE + 12) /* request select() attention */
146#define DEV_STATUS (DEV_RQ_BASE + 13) /* request driver status */
147
148#define DEV_REPLY (DEV_RS_BASE + 0) /* general task reply */
149#define DEV_CLONED (DEV_RS_BASE + 1) /* return cloned minor */
150#define DEV_REVIVE (DEV_RS_BASE + 2) /* driver revives process */
151#define DEV_IO_READY (DEV_RS_BASE + 3) /* selected device ready */
152#define DEV_NO_STATUS (DEV_RS_BASE + 4) /* empty status reply */
153
154/* Field names for messages to block and character device drivers. */
155#define DEVICE m2_i1 /* major-minor device */
156#define IO_ENDPT m2_i2 /* which (proc/endpoint) wants I/O? */
157#define COUNT m2_i3 /* how many bytes to transfer */
158#define REQUEST m2_i3 /* ioctl request code */
159#define POSITION m2_l1 /* file offset */
160#define ADDRESS m2_p1 /* core buffer address */
161
162/* Field names for DEV_SELECT messages to device drivers. */
163#define DEV_MINOR m2_i1 /* minor device */
164#define DEV_SEL_OPS m2_i2 /* which select operations are requested */
165#define DEV_SEL_WATCH m2_i3 /* request notify if no operations are ready */
166
167/* Field names used in reply messages from tasks. */
168#define REP_ENDPT m2_i1 /* # of proc on whose behalf I/O was done */
169#define REP_STATUS m2_i2 /* bytes transferred or error number */
170# define SUSPEND -998 /* status to suspend caller, reply later */
171
172/* Field names for messages to TTY driver. */
173#define TTY_LINE DEVICE /* message parameter: terminal line */
174#define TTY_REQUEST COUNT /* message parameter: ioctl request code */
175#define TTY_SPEK POSITION/* message parameter: ioctl speed, erasing */
176#define TTY_FLAGS m2_l2 /* message parameter: ioctl tty mode */
177#define TTY_PGRP m2_i3 /* message parameter: process group */
178
179/* Field names for the QIC 02 status reply from tape driver */
180#define TAPE_STAT0 m2_l1
181#define TAPE_STAT1 m2_l2
182
183/*===========================================================================*
184 * Messages for networking layer *
185 *===========================================================================*/
186
187/* Message types for network layer requests. This layer acts like a driver. */
188#define NW_OPEN DEV_OPEN
189#define NW_CLOSE DEV_CLOSE
190#define NW_READ DEV_READ
191#define NW_WRITE DEV_WRITE
192#define NW_IOCTL DEV_IOCTL
193#define NW_CANCEL CANCEL
194
195/* Base type for data link layer requests and responses. */
196#define DL_RQ_BASE 0x800
197#define DL_RS_BASE 0x900
198
199/* Message types for data link layer requests. */
200#define DL_WRITE (DL_RQ_BASE + 3)
201#define DL_WRITEV (DL_RQ_BASE + 4)
202#define DL_READ (DL_RQ_BASE + 5)
203#define DL_READV (DL_RQ_BASE + 6)
204#define DL_INIT (DL_RQ_BASE + 7)
205#define DL_STOP (DL_RQ_BASE + 8)
206#define DL_GETSTAT (DL_RQ_BASE + 9)
207#define DL_GETNAME (DL_RQ_BASE +10)
208
209/* Message type for data link layer replies. */
210#define DL_INIT_REPLY (DL_RS_BASE + 20)
211#define DL_TASK_REPLY (DL_RS_BASE + 21)
212#define DL_NAME_REPLY (DL_RS_BASE + 22)
213
214/* Field names for data link layer messages. */
215#define DL_PORT m2_i1
216#define DL_PROC m2_i2 /* endpoint */
217#define DL_COUNT m2_i3
218#define DL_MODE m2_l1
219#define DL_CLCK m2_l2
220#define DL_ADDR m2_p1
221#define DL_STAT m2_l1
222#define DL_NAME m3_ca1
223
224/* Bits in 'DL_STAT' field of DL replies. */
225# define DL_PACK_SEND 0x01
226# define DL_PACK_RECV 0x02
227# define DL_READ_IP 0x04
228
229/* Bits in 'DL_MODE' field of DL requests. */
230# define DL_NOMODE 0x0
231# define DL_PROMISC_REQ 0x2
232# define DL_MULTI_REQ 0x4
233# define DL_BROAD_REQ 0x8
234
235/*===========================================================================*
236 * SYSTASK request types and field names *
237 *===========================================================================*/
238
239/* System library calls are dispatched via a call vector, so be careful when
240 * modifying the system call numbers. The numbers here determine which call
241 * is made from the call vector.
242 */
243#define KERNEL_CALL 0x600 /* base for kernel calls to SYSTEM */
244
245# define SYS_FORK (KERNEL_CALL + 0) /* sys_fork() */
246# define SYS_EXEC (KERNEL_CALL + 1) /* sys_exec() */
247# define SYS_EXIT (KERNEL_CALL + 2) /* sys_exit() */
248# define SYS_NICE (KERNEL_CALL + 3) /* sys_nice() */
249# define SYS_PRIVCTL (KERNEL_CALL + 4) /* sys_privctl() */
250# define SYS_TRACE (KERNEL_CALL + 5) /* sys_trace() */
251# define SYS_KILL (KERNEL_CALL + 6) /* sys_kill() */
252
253# define SYS_GETKSIG (KERNEL_CALL + 7) /* sys_getsig() */
254# define SYS_ENDKSIG (KERNEL_CALL + 8) /* sys_endsig() */
255# define SYS_SIGSEND (KERNEL_CALL + 9) /* sys_sigsend() */
256# define SYS_SIGRETURN (KERNEL_CALL + 10) /* sys_sigreturn() */
257
258# define SYS_NEWMAP (KERNEL_CALL + 11) /* sys_newmap() */
259# define SYS_SEGCTL (KERNEL_CALL + 12) /* sys_segctl() */
260# define SYS_MEMSET (KERNEL_CALL + 13) /* sys_memset() */
261
262# define SYS_UMAP (KERNEL_CALL + 14) /* sys_umap() */
263# define SYS_VIRCOPY (KERNEL_CALL + 15) /* sys_vircopy() */
264# define SYS_PHYSCOPY (KERNEL_CALL + 16) /* sys_physcopy() */
265# define SYS_VIRVCOPY (KERNEL_CALL + 17) /* sys_virvcopy() */
266# define SYS_PHYSVCOPY (KERNEL_CALL + 18) /* sys_physvcopy() */
267
268# define SYS_IRQCTL (KERNEL_CALL + 19) /* sys_irqctl() */
269# define SYS_INT86 (KERNEL_CALL + 20) /* sys_int86() */
270# define SYS_DEVIO (KERNEL_CALL + 21) /* sys_devio() */
271# define SYS_SDEVIO (KERNEL_CALL + 22) /* sys_sdevio() */
272# define SYS_VDEVIO (KERNEL_CALL + 23) /* sys_vdevio() */
273
274# define SYS_SETALARM (KERNEL_CALL + 24) /* sys_setalarm() */
275# define SYS_TIMES (KERNEL_CALL + 25) /* sys_times() */
276# define SYS_GETINFO (KERNEL_CALL + 26) /* sys_getinfo() */
277# define SYS_ABORT (KERNEL_CALL + 27) /* sys_abort() */
278# define SYS_IOPENABLE (KERNEL_CALL + 28) /* sys_enable_iop() */
279# define SYS_VM_SETBUF (KERNEL_CALL + 29) /* sys_vm_setbuf() */
280# define SYS_VM_MAP (KERNEL_CALL + 30) /* sys_vm_map() */
281
282#define NR_SYS_CALLS 31 /* number of system calls */
283
284/* Subfunctions for SYS_PRIVCTL */
285#define SYS_PRIV_INIT 1 /* Initialize a privilege structure */
286#define SYS_PRIV_ADD_IO 2 /* Add I/O range (struct io_range) */
287#define SYS_PRIV_ADD_MEM 3 /* Add memory range (struct mem_range)
288 */
289#define SYS_PRIV_ADD_IRQ 4 /* Add IRQ */
290
291/* Field names for SYS_MEMSET, SYS_SEGCTL. */
292#define MEM_PTR m2_p1 /* base */
293#define MEM_COUNT m2_l1 /* count */
294#define MEM_PATTERN m2_l2 /* pattern to write */
295#define MEM_CHUNK_BASE m4_l1 /* physical base address */
296#define MEM_CHUNK_SIZE m4_l2 /* size of mem chunk */
297#define MEM_TOT_SIZE m4_l3 /* total memory size */
298#define MEM_CHUNK_TAG m4_l4 /* tag to identify chunk of mem */
299
300/* Field names for SYS_DEVIO, SYS_VDEVIO, SYS_SDEVIO. */
301#define DIO_REQUEST m2_i3 /* device in or output */
302# define DIO_INPUT 0 /* input */
303# define DIO_OUTPUT 1 /* output */
304#define DIO_TYPE m2_i1 /* flag indicating byte, word, or long */
305# define DIO_BYTE 'b' /* byte type values */
306# define DIO_WORD 'w' /* word type values */
307# define DIO_LONG 'l' /* long type values */
308#define DIO_PORT m2_l1 /* single port address */
309#define DIO_VALUE m2_l2 /* single I/O value */
310#define DIO_VEC_ADDR m2_p1 /* address of buffer or (p,v)-pairs */
311#define DIO_VEC_SIZE m2_l2 /* number of elements in vector */
312#define DIO_VEC_ENDPT m2_i2 /* number of process where vector is */
313
314/* Field names for SYS_SIGNARLM, SYS_FLAGARLM, SYS_SYNCALRM. */
315#define ALRM_EXP_TIME m2_l1 /* expire time for the alarm call */
316#define ALRM_ABS_TIME m2_i2 /* set to 1 to use absolute alarm time */
317#define ALRM_TIME_LEFT m2_l1 /* how many ticks were remaining */
318#define ALRM_ENDPT m2_i1 /* which process wants the alarm? */
319#define ALRM_FLAG_PTR m2_p1 /* virtual address of timeout flag */
320
321/* Field names for SYS_IRQCTL. */
322#define IRQ_REQUEST m5_c1 /* what to do? */
323# define IRQ_SETPOLICY 1 /* manage a slot of the IRQ table */
324# define IRQ_RMPOLICY 2 /* remove a slot of the IRQ table */
325# define IRQ_ENABLE 3 /* enable interrupts */
326# define IRQ_DISABLE 4 /* disable interrupts */
327#define IRQ_VECTOR m5_c2 /* irq vector */
328#define IRQ_POLICY m5_i1 /* options for IRQCTL request */
329# define IRQ_REENABLE 0x001 /* reenable IRQ line after interrupt */
330# define IRQ_BYTE 0x100 /* byte values */
331# define IRQ_WORD 0x200 /* word values */
332# define IRQ_LONG 0x400 /* long values */
333#define IRQ_ENDPT m5_i2 /* endpoint number, SELF, NONE */
334#define IRQ_HOOK_ID m5_l3 /* id of irq hook at kernel */
335
336/* Field names for SYS_SEGCTL. */
337#define SEG_SELECT m4_l1 /* segment selector returned */
338#define SEG_OFFSET m4_l2 /* offset in segment returned */
339#define SEG_PHYS m4_l3 /* physical address of segment */
340#define SEG_SIZE m4_l4 /* segment size */
341#define SEG_INDEX m4_l5 /* segment index in remote map */
342
343/* Field names for SYS_VIDCOPY. */
344#define VID_REQUEST m4_l1 /* what to do? */
345# define VID_VID_COPY 1 /* request vid_vid_copy() */
346# define MEM_VID_COPY 2 /* request mem_vid_copy() */
347#define VID_SRC_ADDR m4_l2 /* virtual address in memory */
348#define VID_SRC_OFFSET m4_l3 /* offset in video memory */
349#define VID_DST_OFFSET m4_l4 /* offset in video memory */
350#define VID_CP_COUNT m4_l5 /* number of words to be copied */
351
352/* Field names for SYS_ABORT. */
353#define ABRT_HOW m1_i1 /* RBT_REBOOT, RBT_HALT, etc. */
354#define ABRT_MON_ENDPT m1_i2 /* process where monitor params are */
355#define ABRT_MON_LEN m1_i3 /* length of monitor params */
356#define ABRT_MON_ADDR m1_p1 /* virtual address of monitor params */
357
358/* Field names for _UMAP, _VIRCOPY, _PHYSCOPY. */
359#define CP_SRC_SPACE m5_c1 /* T or D space (stack is also D) */
360#define CP_SRC_ENDPT m5_i1 /* process to copy from */
361#define CP_SRC_ADDR m5_l1 /* address where data come from */
362#define CP_DST_SPACE m5_c2 /* T or D space (stack is also D) */
363#define CP_DST_ENDPT m5_i2 /* process to copy to */
364#define CP_DST_ADDR m5_l2 /* address where data go to */
365#define CP_NR_BYTES m5_l3 /* number of bytes to copy */
366
367/* Field names for SYS_VCOPY and SYS_VVIRCOPY. */
368#define VCP_NR_OK m1_i2 /* number of successfull copies */
369#define VCP_VEC_SIZE m1_i3 /* size of copy vector */
370#define VCP_VEC_ADDR m1_p1 /* pointer to copy vector */
371
372/* Field names for SYS_GETINFO. */
373#define I_REQUEST m7_i3 /* what info to get */
374# define GET_KINFO 0 /* get kernel information structure */
375# define GET_IMAGE 1 /* get system image table */
376# define GET_PROCTAB 2 /* get kernel process table */
377# define GET_RANDOMNESS 3 /* get randomness buffer */
378# define GET_MONPARAMS 4 /* get monitor parameters */
379# define GET_KENV 5 /* get kernel environment string */
380# define GET_IRQHOOKS 6 /* get the IRQ table */
381# define GET_KMESSAGES 7 /* get kernel messages */
382# define GET_PRIVTAB 8 /* get kernel privileges table */
383# define GET_KADDRESSES 9 /* get various kernel addresses */
384# define GET_SCHEDINFO 10 /* get scheduling queues */
385# define GET_PROC 11 /* get process slot if given process */
386# define GET_MACHINE 12 /* get machine information */
387# define GET_LOCKTIMING 13 /* get lock()/unlock() latency timing */
388# define GET_BIOSBUFFER 14 /* get a buffer for BIOS calls */
389# define GET_LOADINFO 15 /* get load average information */
390#define I_ENDPT m7_i4 /* calling process */
391#define I_VAL_PTR m7_p1 /* virtual address at caller */
392#define I_VAL_LEN m7_i1 /* max length of value */
393#define I_VAL_PTR2 m7_p2 /* second virtual address */
394#define I_VAL_LEN2_E m7_i2 /* second length, or proc nr */
395# define GET_IRQACTIDS 16 /* get the IRQ masks */
396
397/* Field names for SYS_TIMES. */
398#define T_ENDPT m4_l1 /* process to request time info for */
399#define T_USER_TIME m4_l1 /* user time consumed by process */
400#define T_SYSTEM_TIME m4_l2 /* system time consumed by process */
401#define T_CHILD_UTIME m4_l3 /* user time consumed by process' children */
402#define T_CHILD_STIME m4_l4 /* sys time consumed by process' children */
403#define T_BOOT_TICKS m4_l5 /* number of clock ticks since boot time */
404
405/* vm_map */
406#define VM_MAP_ENDPT m4_l1
407#define VM_MAP_MAPUNMAP m4_l2
408#define VM_MAP_BASE m4_l3
409#define VM_MAP_SIZE m4_l4
410#define VM_MAP_ADDR m4_l5
411
412/* Field names for SYS_TRACE, SYS_PRIVCTL. */
413#define CTL_ENDPT m2_i1 /* process number of the caller */
414#define CTL_REQUEST m2_i2 /* server control request */
415#define CTL_MM_PRIV m2_i3 /* privilege as seen by PM */
416#define CTL_ARG_PTR m2_p1 /* pointer to argument */
417#define CTL_ADDRESS m2_l1 /* address at traced process' space */
418#define CTL_DATA m2_l2 /* data field for tracing */
419
420/* Field names for SYS_KILL, SYS_SIGCTL */
421#define SIG_REQUEST m2_l2 /* PM signal control request */
422#define S_GETSIG 0 /* get pending kernel signal */
423#define S_ENDSIG 1 /* finish a kernel signal */
424#define S_SENDSIG 2 /* POSIX style signal handling */
425#define S_SIGRETURN 3 /* return from POSIX handling */
426#define S_KILL 4 /* servers kills process with signal */
427#define SIG_ENDPT m2_i1 /* process number for inform */
428#define SIG_NUMBER m2_i2 /* signal number to send */
429#define SIG_FLAGS m2_i3 /* signal flags field */
430#define SIG_MAP m2_l1 /* used by kernel to pass signal bit map */
431#define SIG_CTXT_PTR m2_p1 /* pointer to info to restore signal context */
432
433/* Field names for SYS_FORK, _EXEC, _EXIT, _NEWMAP. */
434#define PR_ENDPT m1_i1 /* indicates a process */
435#define PR_PRIORITY m1_i2 /* process priority */
436#define PR_SLOT m1_i2 /* indicates a process slot */
437#define PR_PID m1_i3 /* process id at process manager */
438#define PR_STACK_PTR m1_p1 /* used for stack ptr in sys_exec, sys_getsp */
439#define PR_TRACING m1_i3 /* flag to indicate tracing is on/ off */
440#define PR_NAME_PTR m1_p2 /* tells where program name is for dmp */
441#define PR_IP_PTR m1_p3 /* initial value for ip after exec */
442#define PR_MEM_PTR m1_p1 /* tells where memory map is for sys_newmap */
443
444/* Field names for SYS_INT86 */
445#define INT86_REG86 m1_p1 /* pointer to registers */
446
447/* Field names for SELECT (FS). */
448#define SEL_NFDS m8_i1
449#define SEL_READFDS m8_p1
450#define SEL_WRITEFDS m8_p2
451#define SEL_ERRORFDS m8_p3
452#define SEL_TIMEOUT m8_p4
453
454/*===========================================================================*
455 * Messages for the Reincarnation Server *
456 *===========================================================================*/
457
458#define RS_RQ_BASE 0x700
459
460#define RS_UP (RS_RQ_BASE + 0) /* start system service */
461#define RS_DOWN (RS_RQ_BASE + 1) /* stop system service */
462#define RS_REFRESH (RS_RQ_BASE + 2) /* restart system service */
463#define RS_RESCUE (RS_RQ_BASE + 3) /* set rescue directory */
464#define RS_SHUTDOWN (RS_RQ_BASE + 4) /* alert about shutdown */
465
466# define RS_CMD_ADDR m1_p1 /* command string */
467# define RS_CMD_LEN m1_i1 /* length of command */
468# define RS_PID m1_i1 /* pid of system service */
469# define RS_PERIOD m1_i2 /* heartbeat period */
470# define RS_DEV_MAJOR m1_i3 /* major device number */
471
472/*===========================================================================*
473 * Messages for the Data Store Server *
474 *===========================================================================*/
475
476#define DS_RQ_BASE 0x800
477
478#define DS_PUBLISH (DS_RQ_BASE + 0) /* publish information */
479#define DS_RETRIEVE (DS_RQ_BASE + 1) /* retrieve information */
480#define DS_SUBSCRIBE (DS_RQ_BASE + 2) /* subscribe to information */
481
482# define DS_KEY m2_i1 /* key for the information */
483# define DS_FLAGS m2_i2 /* flags provided by caller */
484# define DS_AUTH m2_p1 /* authorization of caller */
485# define DS_VAL_L1 m2_l1 /* first long data value */
486# define DS_VAL_L2 m2_l2 /* second long data value */
487
488/*===========================================================================*
489 * Miscellaneous messages used by TTY *
490 *===========================================================================*/
491
492/* Miscellaneous request types and field names, e.g. used by IS server. */
493#define FKEY_CONTROL 98 /* control a function key at the TTY */
494# define FKEY_REQUEST m2_i1 /* request to perform at TTY */
495# define FKEY_MAP 10 /* observe function key */
496# define FKEY_UNMAP 11 /* stop observing function key */
497# define FKEY_EVENTS 12 /* request open key presses */
498# define FKEY_FKEYS m2_l1 /* F1-F12 keys pressed */
499# define FKEY_SFKEYS m2_l2 /* Shift-F1-F12 keys pressed */
500#define DIAGNOSTICS 100 /* output a string without FS in between */
501# define DIAG_PRINT_BUF m1_p1
502# define DIAG_BUF_COUNT m1_i1
503# define DIAG_ENDPT m1_i2
504#define GET_KMESS 101 /* get kmess from TTY */
505# define GETKM_PTR m1_p1
506
507
508#endif /* _MINIX_COM_H */
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