if_nireg.h revision 1.3 1 /* $NetBSD: if_nireg.h,v 1.3 2001/08/20 12:20:07 wiz Exp $ */
2 /*
3 * Copyright (c) 1988 Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Chris Torek.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)nireg.h 7.3 (Berkeley) 6/28/90
38 */
39
40 /*
41 * Registers for the DEBNA and DEBNK Ethernet interfaces
42 * (DEC calls these Network Interfaces, hence nireg.h)
43 */
44
45 /*
46 * this seems to be intended to be more general, but I have no details,
47 * so it goes here for now
48 *
49 * BI Vax Port (BVP) stuff first:
50 */
51 #ifdef notdef
52 struct bvpregs {
53 u_long p_pcr; /* port control register */
54 u_long p_psr; /* port status register */
55 u_long p_per; /* port error register */
56 u_long p_pdr; /* port data register */
57 };
58
59 /*
60 * BI node space registers
61 */
62 struct ni_regs {
63 struct biiregs ni_bi; /* BIIC registers, except GPRs */
64 struct bvpregs ni_tkp; /* tk50 port control via BIIC GPRs */
65 u_long ni_xxx[64]; /* unused */
66 u_long ni_rxcd; /* receive console data */
67 struct bvpregs ni_nip; /* NI port control via BCI3 GPRs */
68 u_long ni_pudr; /* power-up diagnostic register */
69 };
70 #endif
71
72 #define NI_PCR 0x204
73 #define NI_PSR 0x208
74 #define NI_PER 0x20c
75 #define NI_PDR 0x210
76 #define NI_PUDR 0x204
77
78 /* bits in PCR */
79 #define PCR_OWN 0x80
80 #define PCR_MFREEQ 0x000
81 #define PCR_DFREEQ 0x100
82 #define PCR_RFREEQ 0x200
83 #define PCR_IFREEQ 0x300
84 #define PCR_CMDQ0 PCR_MFREEQ
85 #define PCR_CMDQ1 PCR_DFREEQ
86 #define PCR_CMDQ2 PCR_RFREEQ
87 #define PCR_CMDQ3 PCR_IFREEQ
88 #define PCR_RESTART 11
89 #define PCR_FREEQNE 7
90 #define PCR_CMDQNE 6
91 #define PCR_SHUTDOWN 4
92 #define PCR_ENABLE 2
93 #define PCR_INIT 1
94
95 /* bits in PSR */
96 #define PSR_OWN 0x80000000
97 #define PSR_STATE 0x00070000
98 #define PSR_STOPPED 0x00060000
99 #define PSR_ENABLED 0x00040000
100 #define PSR_INITED 0x00020000
101 #define PSR_UNDEF 0x00010000
102 #define PSR_RSQ 0x00000080
103 #define PSR_ERR 0x00000040
104
105 /*
106 * The DEBNx uses a very weird (set of) structure(s) to communicate
107 * with something as simple as an ethernet controller. This is not
108 * very different to the way communication is done over CI with disks.
109 */
110
111 /* Message packet */
112 struct ni_msg {
113 u_int32_t nm_forw;
114 u_int32_t nm_back;
115 u_int32_t nm_pad1;
116 u_int8_t nm_pad2;
117 u_int8_t nm_status;
118 u_int8_t nm_opcode;
119 u_int8_t nm_pad3;
120 u_int16_t nm_len;
121 u_int8_t nm_opcode2;
122 u_int8_t nm_status2;
123 u_int32_t nm_pad4;
124 u_int8_t nm_text[128];
125 };
126
127 /* Datagram packet */
128 struct ni_dg {
129 u_int32_t nd_forw;
130 u_int32_t nd_back;
131 u_int32_t nd_pad1;
132 u_int8_t nd_pad2;
133 u_int8_t nd_status;
134 u_int8_t nd_opcode;
135 u_int8_t nd_pad3;
136 u_int16_t nd_len;
137 u_int16_t nd_status2;
138 u_int32_t nd_cmdref;
139 u_int32_t nd_ptdbidx;
140 struct {
141 u_int16_t _offset;
142 u_int16_t _len;
143 u_int16_t _index;
144 u_int16_t _key;
145 } bufs[NTXFRAGS];
146 };
147
148 #define NIDG_CHAIN 0x8000
149
150 /* NI parameter block */
151 struct ni_param {
152 u_int8_t np_dpa[8];
153 u_int8_t np_apa[8];
154 u_int8_t np_lsa[8];
155 u_int8_t np_bvc[8];
156 u_int16_t np_curaddr;
157 u_int16_t np_maxaddr;
158 u_int16_t np_curptt;
159 u_int16_t np_maxptt;
160 u_int16_t np_curfq;
161 u_int16_t np_maxfq;
162 u_int32_t np_sid;
163 u_int32_t np_mop;
164 u_int32_t np_flags;
165 u_int32_t np_rcto;
166 u_int32_t np_xmto;
167 };
168
169 #define NP_ECT 0x01
170 #define NP_PAD 0x02
171 #define NP_BOO 0x04
172 #define NP_CAR 0x08
173 #define NP_ILP 0x10
174 #define NP_ELP 0x20
175 #define NP_DCRC 0x40
176 #define NP_THRU 0x80
177
178 /* Protocol type definition block */
179 struct ni_ptdb {
180 u_int16_t np_type; /* Protocol type */
181 u_int8_t np_fque; /* Free queue */
182 u_int8_t np_flags; /* See below */
183 u_int32_t np_index; /* protocol type index */
184 u_int16_t np_adrlen; /* # of multicast addresses */
185 u_int16_t np_802; /* for IEEE 802 packets */
186 u_int8_t np_mcast[16][8];/* Multicast (direct match) array */
187 };
188
189 #define PTDB_PROMISC 0x08
190 #define PTDB_802 0x10
191 #define PTDB_BDC 0x20
192 #define PTDB_UNKN 0x40
193 #define PTDB_AMC 0x80
194
195 /* Buffer descriptor */
196 struct ni_bbd {
197 u_int16_t nb_status; /* Offset, valid etc */
198 u_int16_t nb_key;
199 u_int32_t nb_len; /* Buffer length */
200 u_int32_t nb_pte; /* start (vax) PTE for this buffer */
201 u_int32_t nb_pad;
202 };
203 #define NIBD_OFFSET 0x1ff
204 #define NIBD_VALID 0x8000
205
206
207 /* Free Queue Block */
208 struct ni_fqb {
209 u_int32_t nf_mlen;
210 u_int32_t nf_mpad;
211 u_int32_t nf_mforw;
212 u_int32_t nf_mback;
213 u_int32_t nf_dlen;
214 u_int32_t nf_dpad;
215 u_int32_t nf_dforw;
216 u_int32_t nf_dback;
217 u_int32_t nf_rlen;
218 u_int32_t nf_rpad;
219 u_int32_t nf_rforw;
220 u_int32_t nf_rback;
221 u_int32_t nf_ilen;
222 u_int32_t nf_ipad;
223 u_int32_t nf_iforw;
224 u_int32_t nf_iback;
225 };
226
227 /* DEBNx specific part of Generic VAX Port */
228 struct ni_pqb {
229 u_int16_t np_veclvl; /* Interrupt vector + level */
230 u_int16_t np_node; /* Where to interrupt */
231 u_int32_t np_freeq;
232 u_int32_t np_vfqb; /* Free queue block pointer */
233 u_int32_t np_pad1[39];
234 u_int32_t np_bvplvl;
235 u_int32_t np_vpqb; /* Virtual address of Generic PQB */
236 u_int32_t np_vbdt; /* Virtual address of descriptors */
237 u_int32_t np_nbdr; /* Number of descriptors */
238 u_int32_t np_spt; /* System Page Table */
239 u_int32_t np_sptlen; /* System Page Table length */
240 u_int32_t np_gpt; /* Global Page Table */
241 u_int32_t np_gptlen; /* Global Page Table length */
242 u_int32_t np_mask;
243 u_int32_t np_pad2[67];
244 };
245
246 /* "Generic VAX Port Control Block" whatever it means */
247 struct ni_gvppqb {
248 u_int32_t nc_forw0;
249 u_int32_t nc_back0;
250 u_int32_t nc_forw1;
251 u_int32_t nc_back1;
252 u_int32_t nc_forw2;
253 u_int32_t nc_back2;
254 u_int32_t nc_forw3;
255 u_int32_t nc_back3;
256 u_int32_t nc_forwr;
257 u_int32_t nc_backr;
258 struct ni_pqb nc_pqb; /* DEBNx specific part of struct */
259 };
260
261
262 /* BVP opcodes, should be somewhere else */
263 #define BVP_DGRAM 1
264 #define BVP_MSG 2
265 #define BVP_DGRAMI 3
266 #define BVP_DGRAMRX 33
267 #define BVP_MSGRX 34
268 #define BVP_DGRAMIRX 35
269
270 /* NI-specific sub-opcodes */
271 #define NI_WSYSID 1
272 #define NI_RSYSID 2
273 #define NI_WPARAM 3
274 #define NI_RPARAM 4
275 #define NI_RCCNTR 5
276 #define NI_RDCNTR 6
277 #define NI_STPTDB 7
278 #define NI_CLPTDB 8
279
280 /* bits in ni_pudr */
281 #define PUDR_TAPE 0x40000000 /* tk50 & assoc logic ok */
282 #define PUDR_PATCH 0x20000000 /* patch logic ok */
283 #define PUDR_VRAM 0x10000000 /* DEBNx onboard RAM ok */
284 #define PUDR_VROM1 0x08000000 /* uVax ROM 1 ok */ /* ? */
285 #define PUDR_VROM2 0x04000000 /* uVax ROM 2 ok */
286 #define PUDR_VROM3 0x02000000 /* uVax ROM 3 ok */
287 #define PUDR_VROM4 0x01000000 /* uVax ROM 4 ok */
288 #define PUDR_UVAX 0x00800000 /* uVax passes self test */
289 #define PUDR_BI 0x00400000 /* BIIC and BCI3 chips ok */
290 #define PUDR_TMR 0x00200000 /* interval timer ok */
291 #define PUDR_IRQ 0x00100000 /* no IRQ lines stuck */
292 #define PUDR_NI 0x00080000 /* Ethernet ctlr ok */
293 #define PUDR_TK50 0x00040000 /* tk50 present */
294 #define PUDR_PRES 0x00001000 /* tk50 present (again?!) */
295 #define PUDR_UVINT 0x00000800 /* uVax-to-80186 intr logic ok */
296 #define PUDR_BUSHD 0x00000400 /* no bus hold errors */
297 #define PUDR_II32 0x00000200 /* II32 transceivers ok */
298 #define PUDR_MPSC 0x00000100 /* MPSC logic ok */
299 #define PUDR_GAP 0x00000080 /* gap-detect logic ok */
300 #define PUDR_MISC 0x00000040 /* misc. registers ok */
301 #define PUDR_UNEXP 0x00000020 /* unexpected interrupt trapped */
302 #define PUDR_80186 0x00000010 /* 80186 ok */
303 #define PUDR_PATCH2 0x00000008 /* patch logic ok (again) */
304 #define PUDR_8RAM 0x00000004 /* 80186 RAM ok */
305 #define PUDR_8ROM2 0x00000002 /* 80186 ROM1 ok */
306 #define PUDR_8ROM1 0x00000001 /* 80186 ROM2 ok */
307