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1.1 root 1: /*
2: * Copyright (c) 1988 Regents of the University of California.
3: * All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * Computer Consoles Inc.
7: *
8: * Redistribution is only permitted until one year after the first shipment
9: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
10: * binary forms are permitted provided that: (1) source distributions retain
11: * this entire copyright notice and comment, and (2) distributions including
12: * binaries display the following acknowledgement: This product includes
13: * software developed by the University of California, Berkeley and its
14: * contributors'' in the documentation or other materials provided with the
15: * distribution and in all advertising materials mentioning features or use
16: * of this software. Neither the name of the University nor the names of
17: * its contributors may be used to endorse or promote products derived from
18: * this software without specific prior written permission.
19: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22: *
23: * @(#)mpreg.h 7.4 (Berkeley) 6/28/90
24: */
25:
26: /*
27: * MPCC Asynchronous Communications Interface.
28: */
29: #define MPINTRBASE 0xa0 /* base vector for interupts */
30: #define MPMAGIC 1969 /* magic number for mblok */
31: #define MPMAXPORT 32 /* maximum number of ports on an MPCC */
32:
33: /*
34: * MPCC's are capable of supporting one of a
35: * the protocols listed below. This driver
36: * supports only the async terminal protocol.
37: */
38: #define MPPROTO_UNUSED 0 /* port not in use */
39: #define MPPROTO_ASYNC 1 /* async protocol */
40: #define MPPROTO_X25 2 /* x25 protocol (unsupported) */
41: #define MPPROTO_BISYNC 3 /* bisync protocol (unsupported) */
42: #define MPPROTO_SNA 4 /* sna protocol (unsupported) */
43:
44: #define NMPPROTO 5 /* max protocols supported by MPCC */
45:
46: #define MPINSET 8
47: #define MPOUTSET 8
48:
49: /*
50: * Host Interface semaphores
51: */
52: #define MPSEMA_AVAILABLE 1
53: #define MPSEMA_WORK 4
54:
55: /*
56: * Host Interface imok values
57: */
58: #define MPIMOK_ALIVE 0x01
59: #define MPIMOK_DEAD 0x80
60:
61: /*
62: * Host Interface Structure
63: */
64: struct his {
65: u_char semaphore;
66: u_char imok;
67: u_char brdnum; /* Virtual brd number for protocol */
68: u_char unused;
69: struct {
70: u_char inbdone[MPMAXPORT]; /* Ports w/ inbound completed */
71: u_char outbdone[MPMAXPORT]; /* Ports w/outbound available */
72: u_int fill[2];
73: } proto[NMPPROTO];
74: };
75:
76: #define MPPORT_EOL 0xff /* end of port list */
77:
78: /*
79: * Async host transmit list structure.
80: */
81: #define MPXMIT 4 /* # of transmit ptrs/MP_WRITE event */
82:
83: struct hxmtl {
84: caddr_t dblock[MPXMIT]; /* ptrs to data blocks */
85: u_short size[MPXMIT]; /* size of each block */
86: };
87:
88: /*
89: * MPCC asynchronous protocol events.
90: */
91: struct mpevent {
92: u_char ev_status; /* Go Status */
93: u_char ev_cmd; /* Optional Op-code */
94: u_short ev_opts; /* Optional flags */
95: u_short ev_error; /* error status returned */
96: u_short ev_flags; /* optional event flags field */
97: caddr_t ev_params; /* pointer to event parameters */
98: union {
99: struct hxmtl *hxl; /* pointer to host xmit list */
100: u_char *rcvblk; /* pointer to receive block */
101: } ev_un;
102: u_short ev_count; /* # ptrs in xmit list/# receive chars */
103: u_short ev_unused; /* round to longword */
104: u_int ev_unused2; /* round to size of BSC struct. GROT!! */
105: };
106:
107: /* defines for ev_status */
108: #define EVSTATUS_FREE 0
109: #define EVSTATUS_GO 1
110: #define EVSTATUS_BUSY 2
111: #define EVSTATUS_DONE 4
112:
113: /* defines for ev_cmd */
114: #define EVCMD_OPEN 1
115: #define EVCMD_CLOSE 2
116: #define EVCMD_RESET 3
117: #define EVCMD_IOCTL 4
118: #define EVCMD_WRITE 5
119: #define EVCMD_READ 6
120: #define EVCMD_STATUS 7
121: #define EVCMD_EVENT 8
122:
123: /*
124: * Host-MPCC interface block.
125: */
126: struct mblok {
127: u_char mb_status; /* mpcc status */
128: u_char mb_ivec; /* host interrupt vector */
129: u_short mb_magic;
130: u_char mb_diagswitch[2]; /* run diagnostics/application */
131: u_char mb_softerr; /* soft error code */
132: u_char mb_harderr; /* hard error code */
133: struct mpdl { /* download/config area */
134: u_char mpdl_status; /* control/status */
135: u_char mpdl_cmd; /* request type */
136: u_short mpdl_count; /* size of parameter block */
137: caddr_t mpdl_data; /* command parameters */
138: } mb_dl;
139: u_char mb_hiport, mb_loport; /* high-low mpcc port numbers */
140: u_char mb_unit; /* mpcc unit number */
141: u_char mb_hndshk; /* handshaking timer */
142: caddr_t mb_imokclk; /* handshaking clock */
143: u_char mb_nointcnt; /* no interrupt from handshake */
144: u_char mb_mpintcnt; /* # outstanding interupts to MPCC */
145: short mb_unused;
146: caddr_t mb_mpintclk; /* MPCC interrupt clock */
147: struct his mb_hostint; /* To Talk with Host */
148: u_char mb_proto[MPMAXPORT]; /* per-port protocols */
149: u_char mb_intr[MPMAXPORT]; /* per-port host->mpcc int flags */
150: struct mpport { /* per-port structure */
151: u_short mp_proto; /* protocol of port */
152: u_char mp_on; /* Next available entry on Host */
153: u_char mp_off; /* Next expected 'DONE' entry on Host */
154: struct mpevent mp_recvq[MPINSET]; /* queue of events to host */
155: struct mpevent mp_sendq[MPOUTSET];/* queue of events to mpcc */
156: u_char mp_nextrcv; /* next expected 'DONE' entry on Host */
157: u_char mp_flags; /* host flags */
158: short mp_unused;
159: caddr_t mp_data; /* pointer to data for port */
160: } mb_port[MPMAXPORT];
161: };
162:
163: /* status defines for mblok.status */
164: #define MP_DLPEND 1
165: #define MP_DLOPEN 2
166: #define MP_DLDONE 3
167: #define MP_OPCLOSE 4
168: #define MP_OPOPEN 5
169: #define MP_DLTIME 6
170: #define MP_DLERROR (-1)
171:
172: /* hard error status values loaded into mblock.herr */
173: #define NOHERR 0 /* no error */
174: #define MPBUSERR 1 /* bus error */
175: #define ADDRERR 2 /* address error */
176: #define UNDECC 3 /* undefined ecc interrupt */
177: #define UNDINT 4 /* undefined interrupt */
178: #define PWRFL 5 /* power fail occurred */
179: #define NOXENTRY 6 /* xdone was enterred w/o xmit entry on queue */
180: #define TWOFTMRS 7 /* tried to start two fast timers on one port */
181: #define INTQFULL 8 /* interupt queue full */
182: #define INTQERR 9 /* interupt queue ack error */
183: #define CBPERR 10 /* uncorrectable DMA parity error */
184: #define ACPDEAD 11 /* acap has died */
185: /* additional panic codes not listed */
186:
187: /* soft error status values loaded into mblock.serr */
188: #define NOSERR 0 /* no error */
189: #define DMAPERR 1 /* dma parity error */
190: #define ECCERR 2 /* local memory ecc error */
191:
192: /* Defines for flags */
193: #define MP_PROGRESS 1 /* Open or Close is in progress */
194: #define MP_IOCTL 2 /* IOCTL is in progress */
195: #define MP_REMBSY 4 /* remote station busy */
196:
197: /*
198: * Asynchronous Terminal Protocol Definitions.
199: */
200: #define A_RCVTIM 2 /* default max tix for receive event (~20ms) */
201: #define ACPTMR 300 /* approx. 5 secs to wait for acap */
202: #define A_MAXEVTP 3 /* maximum # of L1 or Host Events to */
203: /* process per port at one time */
204: #define A_MAXRCV 128 /* max # of chars in rcv event - enough */
205: /* to hold 20ms of chars at 19.2KB */
206: #define A_NUMRCV 32 /* number of rcv buffers per port */
207: #define A_NUMXMT 2 /* max number of concurrent xmits/port */
208: #define A_NUMEVT 32 /* number of evt bufs for status evts */
209: /* and L2 to L1 transmit evts */
210: #define WR5 5 /* SCC Write Reg 5 */
211: #define TXENBL 0x08 /* mask to enable transmitter in WR 5 */
212: #define RTSON 0x02 /* mask to turn on RTS in wreg 5 */
213: #define CHR5MSK 0x1F /* mask for 5-bit transmit data */
214:
215: /*
216: * macro to adjust a circular buffer ptr
217: * x = pointer or index
218: * sz = size of circular buffer
219: */
220: #define adjptr(x,sz) ((x) = ((++(x) == (sz)) ? 0 : (x)))
221: #define adjptrbk(x,sz) ((x) = ((x) == 0) ? (sz) : --(x))
222:
223: /*
224: * Events from ASYNC Level 1 to Level 2
225: */
226: #define RCVDTA 10 /* normal receive data available */
227: #define PARERR 11 /* receive data with parity error */
228: #define OVRNERR 12 /* receive data with overrun error */
229: #define OVFERR 13 /* receive data with overflow error */
230: #define FRAMERR 14 /* receive data with framing error */
231: #define ACKXMT 15 /* successful completion of transmit */
232: #define NORBUF 16 /* No Receive Buffers available */
233: #define NOEBUF 17 /* No Event Buffers available */
234: #define BRKASRT 18 /* Break condition detected */
235:
236: /* defines for error conditions */
237: #define A_OK 0 /* No Errors */
238: #define A_INVEVT 1 /* Invalid Event Error */
239: #define A_IOCERR 2 /* Error while configuring port */
240: #define A_SIZERR 3 /* Error in count of data chars to xmt */
241: #define A_NXBERR 4 /* Transmit Incomplete due to lack of bufs */
242:
243: /*
244: * Modem control signal control structure.
245: */
246: struct mdmctl {
247: u_char mc_rngdsr; /* ring or dsr */
248: u_char mc_rts; /* request to send */
249: u_char mc_rate;
250: u_char mc_dcd; /* data carrier detect */
251: u_char mc_sectx; /* secondary transmit */
252: u_char mc_cts; /* clear to send */
253: u_char mc_secrx; /* secondary receive */
254: u_char mc_dtr; /* data terminal ready */
255: };
256:
257: /* defines for modem control lines */
258: #define ASSERT 1 /* line asserted */
259: #define DROP 2 /* line dropped */
260: #define AUTO 3 /* auto mode enabled, rts only */
261:
262: /*
263: * Async parameter structure.
264: */
265: struct asyncparam {
266: u_char ap_xon, ap_xoff; /* xon-xoff characters */
267: u_char ap_xena; /* xon/xoff enabled */
268: u_char ap_xany; /* any received char enables xmitter */
269: struct mdmctl ap_modem; /* port modem control lines */
270: struct mdmctl ap_intena; /* modem signals which generate */
271: /* status change events */
272: u_char ap_data; /* number of data bits */
273: u_char ap_stop; /* number of stop bits */
274: u_char ap_baud; /* baud rate */
275: u_char ap_parity; /* even/odd/no parity */
276: u_char ap_loop; /* enable for local loopback */
277: u_char ap_rtimer; /* receive timer value (msec) */
278: short ap_fill; /* round to longword */
279: };
280:
281: /* enable/disable signal codes */
282: #define MPA_ENA 1 /* condition enabled */
283: #define MPA_DIS 2 /* condition disabled */
284:
285: /* defines for ap_data */
286: #define MPCHAR_5 0 /* 5 bits per character */
287: #define MPCHAR_6 2 /* 6 bits per character */
288: #define MPCHAR_7 1 /* 7 bits per character */
289: #define MPCHAR_8 3 /* 8 bits per character */
290:
291: /* defines for ap_stop */
292: #define MPSTOP_1 1 /* 1 stop bit per character */
293: #define MPSTOP_1_5 2 /* 1 1/2 stop bits per character */
294: #define MPSTOP_2 3 /* 2 stop bits per character */
295:
296: /* defines for ap_baud */
297: #define MODEM 0
298: #define M0 0 /* baud rate = 0 */
299: #define M50 1 /* baud rate = 50 */
300: #define M75 2 /* baud rate = 75 */
301: #define M110 3 /* baud rate = 110 */
302: #define M134_5 4 /* baud rate = 134.5 */
303: #define M150 5 /* baud rate = 150 */
304: #define M200 6 /* baud rate = 200 */
305: #define M300 7 /* baud rate = 300 */
306: #define M600 8 /* baud rate = 600 */
307: #define M1200 9 /* baud rate = 1200 */
308: #define M1800 10 /* baud rate = 1800 */
309: #define M2400 11 /* baud rate = 2400 */
310: #define M4800 12 /* baud rate = 4800 */
311: #define M9600 13 /* baud rate = 9600 */
312: #define MEXTA 14 /* baud rate = Ext A */
313: #define MEXTB 15 /* baud rate = Ext B */
314: #define M2000 16 /* baud rate = 2000 */
315: #define M3600 17 /* baud rate = 3600 */
316: #define M7200 18 /* baud rate = 7200 */
317: #define M19200 19 /* baud rate = 19,200 */
318: #define M24000 20 /* baud rate = 24,000 */
319: #define M28400 21 /* baud rate = 28,400 */
320: #define M37800 22 /* baud rate = 37,800 */
321: #define M40300 23 /* baud rate = 40,300 */
322: #define M48000 24 /* baud rate = 48,000 */
323: #define M52000 25 /* baud rate = 52,000 */
324: #define M56800 26 /* baud rate = 56,800 */
325:
326: /* defines for ap_parity */
327: #define MPPAR_NONE 0 /* no parity */
328: #define MPPAR_ODD 1 /* odd parity */
329: #define MPPAR_EVEN 3 /* even parity */
330:
331: /* possible flags for Host MP_IOCTL Events */
332: #define A_CHGX 1 /* IOCTL is only chging xonxoff params */
333: #define A_MDMCHG 2 /* change modem control lines */
334: #define A_MDMGET 3 /* get current state of modem ctl lines */
335: #define A_CHGL1P 4 /* IOCTL is changing changing L1 params */
336: #define A_BRKON 5 /* set port break bit */
337: #define A_BRKOFF 6 /* clear port break bit */
338: #define A_CHGALL 7 /* IOCTL is changing xonxoff params, */
339: /* pcnfg struct, & modem ctl structs */
340: #define A_DISABX 8 /* disable port transmitter (ctl-s) */
341: #define A_ENABLX 9 /* enable port transmitter (ctl-q) */
342:
343: /* possible flags for Host MP_WRITE Events */
344: #define A_FLUSH 1 /* flush any queued transmit events */
345: #define A_SSTOP 2 /* transmit a port stop (xoff) char */
346: /* before sending rest of event xmts */
347: #define A_SSTART 3 /* transmit a port start (xon) char */
348: /* before sending rest of event xmts */
349:
350: /* possible flags for Outbound MP_READ Events */
351: #define A_XOFF 1 /* transmitter stopped from by xoff char */
352:
353: /* Perpos flags for modem control fields */
354: #define A_RNGDSR 00001
355: #define A_RTS 00002
356: #define A_RATE 00004
357: #define A_DCD 00010
358: #define A_SECTX 00020
359: #define A_CTS 00040
360: #define A_SECRX 00100
361: #define A_DTR 00200
362:
363: #define DCDASRT 100 /* data carrier detect asserted */
364: #define DTRASRT 101 /* data terminal ready asserted */
365: #define RNGASRT 102 /* ring indicator asserted */
366: #define DSRASRT 102 /* data set ready asserted */
367: #define CTSASRT 103 /* clear to send asserted */
368: #define RTSASRT 104 /* ready to send asserted */
369: #define STXASRT 105 /* secondary transmit asserted */
370: #define SRXASRT 106 /* secondary recieve asserted */
371: #define RATEASRT 107 /* rate signal asserted */
372: #define DCDDROP 108 /* data carrier detect dropped */
373: #define DTRDROP 109 /* data terminal ready dropped */
374: #define RNGDROP 110 /* ring indicator dropped */
375: #define MPDSRDROP 110 /* data set ready dropped */
376: #define CTSDROP 111 /* clear to send dropped */
377: #define RTSDROP 112 /* ready to send dropped */
378: #define STXDROP 113 /* secondary transmit dropped */
379: #define SRXDROP 114 /* secondary recieve dropped */
380: #define RATEDROP 115 /* rate signal dropped */
381:
382: /* Defines for filters and intena in portstat */
383: #define MDM_OFF 0
384: #define MDM_ON 1
385:
386: /* Modem on/off flags */
387: #define MMOD_OFF 0
388: #define MMOD_ON 1
389:
390: /* defintions for DL interface */
391:
392: #define MPDLBUFSIZE 1024
393:
394: /* mpdlioctl command defines */
395:
396: struct protports {
397: char protoport[MPMAXPORT];
398: };
399:
400: struct abdcf {
401: short xmtbsz; /* transmit buffer size - should */
402: /* equal # of chars in a cblock */
403: };
404:
405: struct bdcf {
406: char loadname[NMPPROTO+1];
407: char protoports[MPMAXPORT];
408: char fccstimer; /* powerfail timer */
409: char fccsports; /* ports to affect */
410: char fccssoc; /* ports which will 'switch on close' */
411: };
412:
413:
414: /* These ioctls are for the dlmpcc command */
415: #define MPIOPORTMAP _IOW('m',1, struct protports)
416: #define MPIOHILO _IOW('m',3, short)
417: #define MPIOENDCODE _IO('m',4)
418: #define MPIOASYNCNF _IOW('m',7, struct abdcf)
419: #define MPIOENDDL _IO('m',10)
420: #define MPIOSTARTDL _IO('m',11)
421: #define MPIORESETBOARD _IO('m',12)
422:
423: /* mpdlwrite opcode defines */
424:
425: #define MPDLCMD_NORMAL 1
426:
427: /* error messages printed at console , board & port # filled in later */
428:
429: #define A_INVSTS "Invalid Status Event "
430: #define A_INVCMD "Invalid Event From the MPCC "
431: #define A_NORBUF "No More Available Receive Buffers "
432: #define A_NOEBUF "No More Available Event Buffers "
433: #define A_OVRN "Overrun Error Detected "
434: #define A_OVRF "Overflow Error Detected "
435: #define A_NOXBUF "No More Available Transmit Event Buffers "
436: #define A_XSIZE "Transmit Data Block Size Exceeds Event Data Buffer Size "
437: #define A_NOFREIN "No Available Inbound Entries to Send Close Event "
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