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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 and use in source and binary forms are permitted
9: * provided that the above copyright notice and this paragraph are
10: * duplicated in all such forms and that any documentation,
11: * advertising materials, and other materials related to such
12: * distribution and use acknowledge that the software was developed
13: * by the University of California, Berkeley. The name of the
14: * University may not be used to endorse or promote products derived
15: * from this software without specific prior written permission.
16: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19: *
20: * @(#)mpreg.h 7.2 (Berkeley) 7/15/88
21: */
22:
23: /*
24: * MPCC Asynchronous Communications Interface.
25: */
26: #define MPINTRBASE 0xa0 /* base vector for interupts */
27: #define MPMAGIC 1969 /* magic number for mblok */
28: #define MPMAXPORT 32 /* maximum number of ports on an MPCC */
29:
30: /*
31: * MPCC's are capable of supporting one of a
32: * the protocols listed below. This driver
33: * supports only the async terminal protocol.
34: */
35: #define MPPROTO_UNUSED 0 /* port not in use */
36: #define MPPROTO_ASYNC 1 /* async protocol */
37: #define MPPROTO_X25 2 /* x25 protocol (unsupported) */
38: #define MPPROTO_BISYNC 3 /* bisync protocol (unsupported) */
39: #define MPPROTO_SNA 4 /* sna protocol (unsupported) */
40:
41: #define NMPPROTO 5 /* max protocols supported by MPCC */
42:
43: #define MPINSET 8
44: #define MPOUTSET 8
45:
46: /*
47: * Host Interface Structure
48: */
49: struct his {
50: u_char semaphore;
51: #define MPSEMA_AVAILABLE 1
52: #define MPSEMA_WORK 4
53: u_char imok;
54: #define MPIMOK_ALIVE 0x01
55: #define MPIMOK_DEAD 0x80
56: u_char brdnum; /* Virtual brd number for protocol */
57: u_char unused;
58: struct {
59: u_char inbdone[MPMAXPORT]; /* Ports w/ inbound completed */
60: u_char outbdone[MPMAXPORT]; /* Ports w/outbound available */
61: u_int fill[2];
62: } proto[NMPPROTO];
63: };
64:
65: #define MPPORT_EOL 0xff /* end of port list */
66:
67: /*
68: * Async host transmit list structure.
69: */
70: #define MPXMIT 4 /* # of transmit ptrs/MP_WRITE event */
71:
72: struct hxmtl {
73: caddr_t dblock[MPXMIT]; /* ptrs to data blocks */
74: u_short size[MPXMIT]; /* size of each block */
75: };
76:
77: /*
78: * MPCC asynchronous protocol events.
79: */
80: struct mpevent {
81: u_char ev_status; /* Go Status */
82: u_char ev_cmd; /* Optional Op-code */
83: u_short ev_opts; /* Optional flags */
84: u_short ev_error; /* error status returned */
85: u_short ev_flags; /* optional event flags field */
86: caddr_t ev_params; /* pointer to event parameters */
87: union {
88: struct hxmtl *hxl; /* pointer to host xmit list */
89: u_char *rcvblk; /* pointer to receive block */
90: } ev_un;
91: u_short ev_count; /* # ptrs in xmit list/# receive chars */
92: u_short ev_unused; /* round to longword */
93: u_int ev_unused2; /* round to size of BSC struct. GROT!! */
94: };
95:
96: /* defines for ev_status */
97: #define EVSTATUS_FREE 0
98: #define EVSTATUS_GO 1
99: #define EVSTATUS_BUSY 2
100: #define EVSTATUS_DONE 4
101:
102: /* defines for ev_cmd */
103: #define EVCMD_OPEN 1
104: #define EVCMD_CLOSE 2
105: #define EVCMD_RESET 3
106: #define EVCMD_IOCTL 4
107: #define EVCMD_WRITE 5
108: #define EVCMD_READ 6
109: #define EVCMD_STATUS 7
110: #define EVCMD_EVENT 8
111:
112: /*
113: * Host-MPCC interface block.
114: */
115: struct mblok {
116: u_char mb_status; /* mpcc status */
117: u_char mb_ivec; /* host interrupt vector */
118: u_short mb_magic;
119: u_char mb_diagswitch[2]; /* run diagnostics/application */
120: u_char mb_softerr; /* soft error code */
121: u_char mb_harderr; /* hard error code */
122: struct mpdl { /* download/config area */
123: u_char mpdl_status; /* control/status */
124: u_char mpdl_cmd; /* request type */
125: u_short mpdl_count; /* size of parameter block */
126: caddr_t mpdl_data; /* command parameters */
127: } mb_dl;
128: u_char mb_hiport, mb_loport; /* high-low mpcc port numbers */
129: u_char mb_unit; /* mpcc unit number */
130: u_char mb_hndshk; /* handshaking timer */
131: caddr_t mb_imokclk; /* handshaking clock */
132: u_char mb_nointcnt; /* no interrupt from handshake */
133: u_char mb_mpintcnt; /* # outstanding interupts to MPCC */
134: short mb_unused;
135: caddr_t mb_mpintclk; /* MPCC interrupt clock */
136: struct his mb_hostint; /* To Talk with Host */
137: u_char mb_proto[MPMAXPORT]; /* per-port protocols */
138: u_char mb_intr[MPMAXPORT]; /* per-port host->mpcc int flags */
139: struct mpport { /* per-port structure */
140: u_short mp_proto; /* protocol of port */
141: u_char mp_on; /* Next available entry on Host */
142: u_char mp_off; /* Next expected 'DONE' entry on Host */
143: struct mpevent mp_recvq[MPINSET]; /* queue of events to host */
144: struct mpevent mp_sendq[MPOUTSET];/* queue of events to mpcc */
145: u_char mp_nextrcv; /* next expected 'DONE' entry on Host */
146: u_char mp_flags; /* host flags */
147: short mp_unused;
148: caddr_t mp_data; /* pointer to data for port */
149: } mb_port[MPMAXPORT];
150: };
151:
152: /* status defines for mblok.status */
153: #define MP_DLPEND 1
154: #define MP_DLOPEN 2
155: #define MP_DLDONE 3
156: #define MP_OPCLOSE 4
157: #define MP_OPOPEN 5
158: #define MP_DLTIME 6
159: #define MP_DLERROR (-1)
160:
161: /* hard error status values loaded into mblock.herr */
162: #define NOHERR 0 /* no error */
163: #define MPBUSERR 1 /* bus error */
164: #define ADDRERR 2 /* address error */
165: #define UNDECC 3 /* undefined ecc interrupt */
166: #define UNDINT 4 /* undefined interrupt */
167: #define PWRFL 5 /* power fail occurred */
168: #define NOXENTRY 6 /* xdone was enterred w/o xmit entry on queue */
169: #define TWOFTMRS 7 /* tried to start two fast timers on one port */
170: #define INTQFULL 8 /* interupt queue full */
171: #define INTQERR 9 /* interupt queue ack error */
172: #define CBPERR 10 /* uncorrectable DMA parity error */
173: #define ACPDEAD 11 /* acap has died */
174: /* additional panic codes not listed */
175:
176: /* soft error status values loaded into mblock.serr */
177: #define NOSERR 0 /* no error */
178: #define DMAPERR 1 /* dma parity error */
179: #define ECCERR 2 /* local memory ecc error */
180:
181: /* Defines for flags */
182: #define MP_PROGRESS 1 /* Open or Close is in progress */
183: #define MP_PORTUP 2 /* link is up for port */
184: #define MP_REMBSY 4 /* remote station busy */
185:
186: /*
187: * Asynchronous Terminal Protocol Definitions.
188: */
189: #define A_RCVTIM 2 /* default max tix for receive event (~20ms) */
190: #define ACPTMR 300 /* approx. 5 secs to wait for acap */
191: #define A_MAXEVTP 3 /* maximum # of L1 or Host Events to */
192: /* process per port at one time */
193: #define A_MAXRCV 128 /* max # of chars in rcv event - enough */
194: /* to hold 20ms of chars at 19.2KB */
195: #define A_NUMRCV 32 /* number of rcv buffers per port */
196: #define A_NUMXMT 2 /* max number of concurrent xmits/port */
197: #define A_NUMEVT 32 /* number of evt bufs for status evts */
198: /* and L2 to L1 transmit evts */
199: #define WR5 5 /* SCC Write Reg 5 */
200: #define TXENBL 0x08 /* mask to enable transmitter in WR 5 */
201: #define RTSON 0x02 /* mask to turn on RTS in wreg 5 */
202: #define CHR5MSK 0x1F /* mask for 5-bit transmit data */
203:
204: /*
205: * macro to adjust a circular buffer ptr
206: * x = pointer or index
207: * sz = size of circular buffer
208: */
209: #define adjptr(x,sz) ((x) = ((++(x) == (sz)) ? 0 : (x)))
210: #define adjptrbk(x,sz) ((x) = ((x) == 0) ? (sz) : --(x))
211:
212: /*
213: * Events from ASYNC Level 1 to Level 2
214: */
215: #define RCVDTA 10 /* normal receive data available */
216: #define PARERR 11 /* receive data with parity error */
217: #define OVRNERR 12 /* receive data with overrun error */
218: #define OVFERR 13 /* receive data with overflow error */
219: #define FRAMERR 14 /* receive data with framing error */
220: #define ACKXMT 15 /* successful completion of transmit */
221: #define NORBUF 16 /* No Receive Buffers available */
222: #define NOEBUF 17 /* No Event Buffers available */
223: #define BRKASRT 18 /* Break condition detected */
224:
225: /* defines for error conditions */
226: #define A_OK 0 /* No Errors */
227: #define A_INVEVT 1 /* Invalid Event Error */
228: #define A_IOCERR 2 /* Error while configuring port */
229: #define A_SIZERR 3 /* Error in count of data chars to xmt */
230: #define A_NXBERR 4 /* Transmit Incomplete due to lack of bufs */
231:
232: /*
233: * Modem control signal control structure.
234: */
235: struct mdmctl {
236: u_char mc_rngdsr; /* ring or dsr */
237: u_char mc_rts; /* request to send */
238: u_char mc_rate;
239: u_char mc_dcd; /* data carrier detect */
240: u_char mc_sectx; /* secondary transmit */
241: u_char mc_cts; /* clear to send */
242: u_char mc_secrx; /* secondary receive */
243: u_char mc_dtr; /* data terminal ready */
244: };
245:
246: /* defines for modem control lines */
247: #define ASSERT 1 /* line asserted */
248: #define DROP 2 /* line dropped */
249: #define AUTO 3 /* auto mode enabled, rts only */
250:
251: /*
252: * Async parameter structure.
253: */
254: struct asyncparam {
255: u_char ap_xon, ap_xoff; /* xon-xoff characters */
256: u_char ap_xena; /* xon/xoff enabled */
257: u_char ap_xany; /* any received char enables xmitter */
258: struct mdmctl ap_modem; /* port modem control lines */
259: struct mdmctl ap_intena; /* modem signals which generate */
260: /* status change events */
261: u_char ap_data; /* number of data bits */
262: u_char ap_stop; /* number of stop bits */
263: u_char ap_baud; /* baud rate */
264: u_char ap_parity; /* even/odd/no parity */
265: u_char ap_loop; /* enable for local loopback */
266: u_char ap_rtimer; /* receive timer value (msec) */
267: short ap_fill; /* round to longword */
268: };
269:
270: /* enable/disable signal codes */
271: #define MPA_ENA 1 /* condition enabled */
272: #define MPA_DIS 2 /* condition disabled */
273:
274: /* defines for ap_data */
275: #define MPCHAR_5 0 /* 5 bits per character */
276: #define MPCHAR_6 2 /* 6 bits per character */
277: #define MPCHAR_7 1 /* 7 bits per character */
278: #define MPCHAR_8 3 /* 8 bits per character */
279:
280: /* defines for ap_stop */
281: #define MPSTOP_1 1 /* 1 stop bit per character */
282: #define MPSTOP_1_5 2 /* 1 1/2 stop bits per character */
283: #define MPSTOP_2 3 /* 2 stop bits per character */
284:
285: /* defines for ap_baud */
286: #define MODEM 0
287: #define M0 0 /* baud rate = 0 */
288: #define M50 1 /* baud rate = 50 */
289: #define M75 2 /* baud rate = 75 */
290: #define M110 3 /* baud rate = 110 */
291: #define M134_5 4 /* baud rate = 134.5 */
292: #define M150 5 /* baud rate = 150 */
293: #define M200 6 /* baud rate = 200 */
294: #define M300 7 /* baud rate = 300 */
295: #define M600 8 /* baud rate = 600 */
296: #define M1200 9 /* baud rate = 1200 */
297: #define M1800 10 /* baud rate = 1800 */
298: #define M2400 11 /* baud rate = 2400 */
299: #define M4800 12 /* baud rate = 4800 */
300: #define M9600 13 /* baud rate = 9600 */
301: #define MEXTA 14 /* baud rate = Ext A */
302: #define MEXTB 15 /* baud rate = Ext B */
303: #define M2000 16 /* baud rate = 2000 */
304: #define M3600 17 /* baud rate = 3600 */
305: #define M7200 18 /* baud rate = 7200 */
306: #define M19200 19 /* baud rate = 19,200 */
307: #define M24000 20 /* baud rate = 24,000 */
308: #define M28400 21 /* baud rate = 28,400 */
309: #define M37800 22 /* baud rate = 37,800 */
310: #define M40300 23 /* baud rate = 40,300 */
311: #define M48000 24 /* baud rate = 48,000 */
312: #define M52000 25 /* baud rate = 52,000 */
313: #define M56800 26 /* baud rate = 56,800 */
314:
315: /* defines for ap_parity */
316: #define MPPAR_NONE 0 /* no parity */
317: #define MPPAR_ODD 1 /* odd parity */
318: #define MPPAR_EVEN 3 /* even parity */
319:
320: /* possible flags for Host MP_IOCTL Events */
321: #define A_CHGX 1 /* IOCTL is only chging xonxoff params */
322: #define A_MDMCHG 2 /* change modem control lines */
323: #define A_MDMGET 3 /* get current state of modem ctl lines */
324: #define A_CHGL1P 4 /* IOCTL is changing changing L1 params */
325: #define A_BRKON 5 /* set port break bit */
326: #define A_BRKOFF 6 /* clear port break bit */
327: #define A_CHGALL 7 /* IOCTL is changing xonxoff params, */
328: /* pcnfg struct, & modem ctl structs */
329: #define A_DISABX 8 /* disable port transmitter (ctl-s) */
330: #define A_ENABLX 9 /* enable port transmitter (ctl-q) */
331:
332: /* possible flags for Host MP_WRITE Events */
333: #define A_FLUSH 1 /* flush any queued transmit events */
334: #define A_SSTOP 2 /* transmit a port stop (xoff) char */
335: /* before sending rest of event xmts */
336: #define A_SSTART 3 /* transmit a port start (xon) char */
337: /* before sending rest of event xmts */
338:
339: /* possible flags for Outbound MP_READ Events */
340: #define A_XOFF 1 /* transmitter stopped from by xoff char */
341:
342: /* Perpos flags for modem control fields */
343: #define A_RNGDSR 00001
344: #define A_RTS 00002
345: #define A_RATE 00004
346: #define A_DCD 00010
347: #define A_SECTX 00020
348: #define A_CTS 00040
349: #define A_SECRX 00100
350: #define A_DTR 00200
351:
352: /* error messages printed at console , board & port # filled in later */
353: #define A_INVSTS "\n#### Invalid Status Event "
354: #define A_INVCMD "\n#### Invalid Event From the MPCC "
355: #define A_NORBUF "\n#### No More Available Receive Buffers "
356: #define A_NOEBUF "\n#### No More Available Event Buffers "
357: #define A_OVRN "\n#### Overrun Error Detected "
358: #define A_OVRF "\n#### Overflow Error Detected "
359: #define A_NOXBUF "\n#### No More Available Transmit Event Buffers "
360: #define A_XSIZE "\n#### Transmit Data Block Size Exceeds Event Data Buffer Size "
361: #define A_NOFREIN "\n#### No Available Inbound Entries to Send Close Event "
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:
395: /* mpdlioctl command defines */
396:
397: struct protports {
398: char protoport[MPMAXPORT];
399: } ;
400:
401: struct abdcf {
402: short xmtbsz; /* transmit buffer size - should */
403: /* equal # of chars in a cblock */
404: };
405:
406: struct bdcf {
407: char loadname[NMPPROTO+1];
408: char protoports[MPMAXPORT];
409: char fccstimer; /* powerfail timer */
410: char fccsports; /* ports to affect */
411: char fccssoc; /* ports which will 'switch on close' */
412: };
413:
414:
415: /* These ioctls are for the dlmpcc command */
416: #define MPIOPORTMAP _IOW('m',1, struct protports)
417: #define MPIOHILO _IOW('m',3, short)
418: #define MPIOENDCODE _IO('m',4)
419: #define MPIOASYNCNF _IOW('m',7, struct abdcf)
420: #define MPIOENDDL _IO('m',10)
421: #define MPIOSTARTDL _IO('m',11)
422: #define MPIORESETBOARD _IO('m',12)
423:
424: /* mpdlwrite opcode defines */
425:
426: #define MPDLCMD_NORMAL 1
427:
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