Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/i386ps2/if_trvar.h
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1 /* 2 * Mach Operating System 3 * Copyright (c) 1991 Carnegie Mellon University 4 * Copyright (c) 1991 IBM Corporation 5 * All Rights Reserved. 6 * 7 * Permission to use, copy, modify and distribute this software and its 8 * documentation is hereby granted, provided that both the copyright 9 * notice and this permission notice appear in all copies of the 10 * software, derivative works or modified versions, and any portions 11 * thereof, and that both notices appear in supporting documentation, 12 * and that the name IBM not be used in advertising or publicity 13 * pertaining to distribution of the software without specific, written 14 * prior permission. 15 * 16 * CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR 18 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie Mellon 28 * the rights to redistribute these changes. 29 */ 30 31 /* 32 * HISTORY 33 * $Log: if_trvar.h,v $ 34 * Revision 2.2 93/02/04 08:00:33 danner 35 * Integrate PS2 code from IBM. 36 * [93/01/18 prithvi] 37 * 38 */ 39 40 /* $Header: if_trvar.h,v 2.2 93/02/04 08:00:33 danner Exp $ */ 41 /* $ACIS:if_lanvar.h 12.0$ */ 42 43 #if !defined(lint) && !defined(LOCORE) && defined(RCS_HDRS) 44 static char *rcsidif_lanvar = "$Header: if_trvar.h,v 2.2 93/02/04 08:00:33 danner Exp $"; 45 #endif 46 47 /* 48 * This file contains structures used in the "tr" driver for the 49 * IBM TOKEN-RING NETWORK PC ADAPTER 50 */ 51 52 53 /* 54 * Adapter PIO registers 55 */ 56 struct trdevice { 57 unsigned char switch_read; /* ROM/MMIO domain switches */ 58 unsigned char reset; /* write causes adapter reset */ 59 unsigned char release_reset; /* write releases adapter reset */ 60 unsigned char clear_interrupt; /* write clears adapter 61 * interrupt */ 62 }; 63 64 65 66 67 /* ACA registers */ 68 struct aca_reg { 69 union { /* RAM Relocation Register */ 70 #define rrr aca_RRR.RRR /* Whole register */ 71 #define rrr_h aca_RRR.b.RRRh /* High byte */ 72 #define rrr_l aca_RRR.b.RRRl /* Low byte */ 73 unsigned short RRR; 74 struct { 75 unsigned char RRRh; 76 unsigned char RRRl; 77 } b; 78 } aca_RRR; 79 union { /* Write Region Base management register */ 80 #define wrb aca_WRB.WRB /* Whole register */ 81 #define wrb_h aca_WRB.b.WRBh /* High byte */ 82 #define wrb_l aca_WRB.b.WRBl /* Low byte */ 83 unsigned short WRB; 84 struct { 85 unsigned char WRBh; 86 unsigned char WRBl; 87 } b; 88 } aca_WRB; 89 union { /* Write Window Open management register */ 90 #define wwo aca_WWO.WWO /* Whole register */ 91 #define wwo_h aca_WWO.b.WWOh /* High byte */ 92 #define wwo_l aca_WWO.b.WWOl /* Low byte */ 93 unsigned short WWO; 94 struct { 95 unsigned char WWOh; 96 unsigned char WWOl; 97 } b; 98 } aca_WWO; 99 union { /* Write Window Close management register */ 100 #define wwc aca_WWC.WWC /* Whole register */ 101 #define wwc_h aca_WWC.b.WWCh /* High byte */ 102 #define wwc_l aca_WWC.b.WWCl /* Low byte */ 103 unsigned short WWC; 104 struct { 105 unsigned char WWCh; 106 unsigned char WWCl; 107 } b; 108 } aca_WWC; 109 union { /* Interrupt Status Register-PC */ 110 #define isrp aca_ISRP.ISRP /* Whole register */ 111 #define isrp_h aca_ISRP.b.ISRPh/* High byte */ 112 #define isrp_l aca_ISRP.b.ISRPl/* Low byte */ 113 unsigned short ISRP; 114 struct { 115 unsigned char ISRPh; 116 unsigned char ISRPl; 117 } b; 118 } aca_ISRP; 119 union { /* Interrupt Status Register-Adapter */ 120 #define isra aca_ISRA.ISRA /* Whole register */ 121 #define isra_h aca_ISRA.b.ISRAh/* High byte */ 122 #define isra_l aca_ISRA.b.ISRAl/* Low byte */ 123 unsigned short ISRA; 124 struct { 125 unsigned char ISRAh; 126 unsigned char ISRAl; 127 } b; 128 } aca_ISRA; 129 union { /* Timer Control Register */ 130 #define tcr aca_TCR.TCR /* Whole register */ 131 #define tcr_h aca_TCR.b.TCRh /* High byte */ 132 #define tcr_l aca_TCR.b.TCRl /* Low byte */ 133 unsigned short TCR; 134 struct { 135 unsigned char TCRh; 136 unsigned char TCRl; 137 } b; 138 } aca_TCR; 139 union { /* Timer Value Register */ 140 #define tvr aca_TVR.TVR /* Whole register */ 141 #define tvr_h aca_TVR.b.TVRh /* High byte */ 142 #define tvr_l aca_TVR.b.TVRl /* Low byte */ 143 unsigned short TVR; 144 struct { 145 unsigned char TVRh; 146 unsigned char TVRl; 147 } b; 148 } aca_TVR; 149 }; 150 151 152 153 154 /* 155 * Adapter Attachment Control Area (ACA) 156 */ 157 struct aca { 158 struct aca_reg rw; /* Read/write access to ACA */ 159 char space0[16]; 160 struct aca_reg reset; /* Reset access to ACA */ 161 char space1[16]; 162 struct aca_reg set; /* Set access to ACA */ 163 }; 164 165 166 167 168 /* 169 * Structure of SSB (System Status Block) 170 */ 171 struct sr_ssb { 172 unsigned char command;/* The xmit command from the SRB */ 173 unsigned char cmd_corr; /* PC/Adapter command correlator */ 174 unsigned char retcode;/* Completion code */ 175 unsigned char res0; /* reserved */ 176 unsigned short station_id; /* ID of station providing status */ 177 unsigned char xmit_err; /* The FS byte if retcode=0x22 */ 178 }; 179 180 181 182 /* 183 * Structure of ARB (Adapter Request Block) 184 */ 185 union sr_arb { 186 struct { /* Receive-data command block */ 187 unsigned char command; 188 unsigned char res0[3]; 189 unsigned short station_id; /* ID of receiving station */ 190 unsigned short buf_addr; /* RAM offset of 1st rec buf */ 191 unsigned char lan_hdr_len; /* Length of LAN header */ 192 unsigned char dlc_hdr_len; /* Length of DLC header */ 193 unsigned short frame_len; /* Length of entire frame */ 194 unsigned char msg_type; /* Category of message */ 195 } rec; 196 struct { /* Ring-Status_Change information block */ 197 unsigned char command; 198 unsigned char res0[5]; /* reserved */ 199 unsigned short ring_status; /* Current ring status */ 200 } stat; 201 struct { /* Transmit-data-request cmd and response 202 * block */ 203 unsigned char command; 204 unsigned char cmd_corr; /* Command correlator */ 205 unsigned char res0[2]; /* reserved */ 206 unsigned short station_id; /* ID of sending station */ 207 unsigned short dhb_addr; /* Addr of Data Holding Buf */ 208 } xmit; 209 struct { /* DLC status change response block */ 210 unsigned char command; 211 unsigned char res0[3]; /* reserved */ 212 unsigned short station_id; /* ID of sending station */ 213 unsigned short status; /* status info field */ 214 unsigned char frmr_data[5]; /* ? */ 215 unsigned char acc_priority; 216 unsigned char rem_address[6]; /* remote address */ 217 unsigned char rsap; /* remote sap */ 218 } dlc; 219 }; 220 221 222 223 224 /* 225 * Contents of SRB after adapter reset 226 */ 227 struct init_resp { 228 union { 229 unsigned char top[2]; 230 unsigned short align; /* force short alignment of struct */ 231 } s; 232 #define init_command s.top[0]; /* should be 0x80: init complete */ 233 unsigned char res0[4];/* reserved */ 234 unsigned short bring_up_res; /* bring up code result */ 235 unsigned short encoded_addr; /* RAM address of adapter's */ 236 /* permanent encoded address */ 237 unsigned short level_addr; /* RAM address of adapter's */ 238 /* microcode level */ 239 unsigned short adap_addr; /* Address of adapter address */ 240 unsigned short params_addr; /* address of adapter parameters */ 241 unsigned short mac_addr; /* address of adapter MAC buffer */ 242 }; 243 244 245 246 247 /* 248 * Structure of SRB (System Request Block) 249 */ 250 union sr_srb { 251 struct init_resp reset_resp; /* Adapter card reset response block */ 252 struct { /* Open command block */ 253 unsigned char command; 254 unsigned char res0[7]; /* reserved */ 255 unsigned short open_options; /* Open options */ 256 unsigned char node_addr[6]; /* Adapter's ring address */ 257 unsigned char group_addr[4]; /* The group address to set */ 258 unsigned char funct_addr[4]; /* Functional address to set */ 259 unsigned short num_rcv_buf; /* Number of receive buffers */ 260 unsigned short rcv_buf_len; /* Length of receive buffers */ 261 unsigned short dhb_length; /* Length of xmit buffers */ 262 unsigned char num_dhb; /* Number of DHBs */ 263 unsigned char res1; /* reserved */ 264 unsigned char dlc_max_sap; /* Max number of SAPs */ 265 unsigned char dlc_max_sta; /* Max num of link stations */ 266 unsigned char dlc_max_gsap; /* Max number of group SAPs */ 267 unsigned char dlc_max_gmem; /* Max members per group SAP */ 268 unsigned char dlc_t1_tick_one; /* Timer T1 interval grp 269 * one */ 270 unsigned char dlc_t2_tick_one; /* Timer T2 interval grp 271 * one */ 272 unsigned char dlc_ti_tick_one; /* Timer TI interval grp 273 * one */ 274 unsigned char dlc_t1_tick_two; /* Timer T1 interval grp 275 * two */ 276 unsigned char dlc_t2_tick_two; /* Timer T2 interval grp 277 * two */ 278 unsigned char dlc_ti_tick_two; /* Timer TI interval grp 279 * two */ 280 unsigned char product_id[18]; /* Product Identification */ 281 } open_cmd; 282 struct { /* Open response block */ 283 unsigned char command; 284 unsigned char res0; /* reserved */ 285 unsigned char retcode; /* Return code */ 286 unsigned char res1[3]; /* reserved */ 287 unsigned short open_err_code; /* Open error code */ 288 unsigned short asb_addr; /* ASB addr in shared RAM */ 289 unsigned short srb_addr; /* SRB addr in shared RAM */ 290 unsigned short arb_addr; /* ARB addr in shared RAM */ 291 unsigned short ssb_addr; /* SSB addr in shared RAM */ 292 } open_resp; 293 struct { /* Close command and response block */ 294 unsigned char command; 295 unsigned char res0; /* reserved */ 296 unsigned char retcode; /* Return code */ 297 } close; 298 struct { /* Interrupt-PC cmd and resp block */ 299 unsigned char command; 300 unsigned char res0; /* reserved */ 301 unsigned char retcode; /* Return code */ 302 } intr; 303 struct { /* Mod-open-params cmd and resp block */ 304 unsigned char command; 305 unsigned char res0; /* reserved */ 306 unsigned char retcode; /* Return code */ 307 unsigned char res1; /* reserved */ 308 unsigned short open_options; /* New options */ 309 } mod_params; 310 struct { /* Set-funct-addr cmd and resp block */ 311 /* Set-group-addr cmd and resp block */ 312 unsigned char command; 313 unsigned char res0; /* reserved */ 314 unsigned char retcode; /* Return code */ 315 unsigned char res1[3]; /* reserved */ 316 unsigned char new_addr[4]; /* New funct or grp addr */ 317 } set_addr; 318 struct { /* Transmit cmd and response block */ 319 unsigned char command; 320 unsigned char cmd_corr; /* Command correlator */ 321 unsigned char retcode; /* Return code */ 322 unsigned char res0; /* reserved */ 323 unsigned short station_id; /* ID of sending station */ 324 } xmit; 325 struct { /* open sap cmd response block */ 326 unsigned char command; 327 unsigned char res0; /* reserved */ 328 unsigned char retcode; /* return code */ 329 unsigned char res1; /* reserved */ 330 unsigned short station_id; /* ID of SAP after open */ 331 unsigned char timer_t1; /* response timer */ 332 unsigned char timer_t2; /* acknowledge timer */ 333 unsigned char timer_ti; /* inactivity timer */ 334 unsigned char maxout; /* max xmits without ack */ 335 unsigned char maxin; /* max recvs without ack */ 336 unsigned char maxout_incr; /* window increment value */ 337 unsigned char maxretry; /* N2 value ? */ 338 unsigned char gsapmaxmem; /* max saps for a group sap */ 339 unsigned short max_i_field; /* max recv info field length */ 340 unsigned char sap_value; /* sap to be opened */ 341 unsigned char sap_options; /* optiions to be set */ 342 unsigned char station_cnt; /* num of res link stations */ 343 unsigned char sap_gsap_mems; /* num of gsap members 344 * allowed */ 345 unsigned char gsap1; /* first gsap request */ 346 } open_sap; 347 struct { /* Adapter card error log */ 348 unsigned char command; 349 unsigned char res0; /* reserved */ 350 unsigned char retcode; /* Set by adapter on return */ 351 unsigned char res1[3]; /* reserved */ 352 unsigned char data[14]; /* Log data set by adapter */ 353 } log; 354 }; 355 356 357 358 /* 359 * Structure of ASB (Adapter Status Block) 360 */ 361 union sr_asb { 362 struct { /* PC response to adapter receive cmd */ 363 unsigned char command; 364 unsigned char res0; /* reserved */ 365 unsigned char retcode; /* Return code */ 366 unsigned char res1; /* reserved */ 367 unsigned short station_id; /* Receiving station ID */ 368 unsigned short rec_buf_addr; /* Receive buffer address */ 369 } rec_resp; 370 struct { /* PC response to xmit-req-data cmd */ 371 unsigned char command; 372 unsigned char cmd_corr; /* Command correlator */ 373 unsigned char retcode; /* Return code */ 374 unsigned char res0; /* reserved */ 375 unsigned short station_id; /* ID of sending station */ 376 unsigned short frame_len; /* Length of entire frame */ 377 unsigned char header_len; /* Length of LAN header */ 378 unsigned char rsap_value; /* Remote SAP */ 379 } xmit_resp; 380 }; 381 382 383 384 385 /* 386 * Adapter addresses 387 */ 388 struct adapt_addr { 389 unsigned char node_addr[6]; /* Adapter node address */ 390 unsigned char grp_addr[4]; /* Adapter group address */ 391 unsigned char func_addr[4]; /* Adapter functional address */ 392 }; 393 394 395 396 397 /* 398 * Addresses of shared RAM control blocks 399 */ 400 struct trs_cb { 401 struct sr_ssb *ssb; /* pointer to System Status Block */ 402 union sr_arb *arb; /* pointer to Adapter Request Block */ 403 union sr_srb *srb; /* pointer to System Request Block */ 404 union sr_asb *asb; /* pointer to Adapter Status Block */ 405 }; 406 407 408 409 410 /* 411 * Adapter parameters 412 */ 413 struct param_addr { 414 unsigned char phys_addr[4]; /* Adapter physical address */ 415 unsigned char up_node_addr[6]; /* Next active upstream node 416 * addr */ 417 unsigned char up_phys_addr[4]; /* Next active upstream phys 418 * addr */ 419 unsigned char poll_addr[6]; /* Last poll address */ 420 unsigned char res0[2];/* Reserved */ 421 unsigned char acc_priority[2]; /* Transmit access priority */ 422 unsigned char src_class[2]; /* Source class authorization */ 423 unsigned char att_code[2]; /* Last attention code */ 424 unsigned char src_addr[6]; /* Last source address */ 425 unsigned char bcon_type[2]; /* Last beacon type */ 426 unsigned char major_vector[2]; /* Last major vector */ 427 unsigned char ring_stat[2]; /* ring status */ 428 unsigned char soft_error[2]; /* soft error timer value */ 429 unsigned char fe_error[2]; /* front end error counter */ 430 unsigned char next_state[2]; /* next state indicator */ 431 unsigned char mon_error[2]; /* Monitor error code */ 432 unsigned char bcon_xmit[2]; /* Beacon transmit type */ 433 unsigned char bcon_receive[2]; /* Beacon receive type */ 434 unsigned char frame_correl[2]; /* Frame correlator save */ 435 unsigned char bcon_naun[6]; /* beacon station NAUN */ 436 unsigned char res1[4];/* Reserved */ 437 unsigned char bcon_phys[4]; /* Beacon station physical addr */ 438 }; 439 440 441 /* Adapter receive buffer structure */ 442 struct rec_buf { 443 unsigned short res0; /* reserved */ 444 unsigned short buf_pointer; /* addr of next buf plus 2, in sram */ 445 unsigned char res1; /* reserved */ 446 unsigned char rec_fs; /* FS/addr match (last buf only) */ 447 unsigned short buf_len;/* length of data in this buffer */ 448 unsigned char data[RCV_BUF_DLEN]; /* frame data */ 449 }; 450 451 452 /* Receive buffer control block */ 453 struct rbcb { 454 struct rec_buf *rbufp; /* pointer to current receive buffer */ 455 struct rec_buf *rbufp_next; /* pointer to next receive buffer */ 456 unsigned char *rbuf_datap; /* pointer to data in receive buffer */ 457 unsigned short data_len; /* amount of data in this rec buffer */ 458 }; 459 460 461 /* Token-Ring physical header */ 462 struct tr_head { 463 unsigned char ac; /* access control field */ 464 unsigned char fc; /* frame control field */ 465 unsigned char daddr[TR_ADDR_LEN]; /* destination address */ 466 unsigned char saddr[TR_ADDR_LEN]; /* source address */ 467 unsigned short rcf; /* route control field */ 468 unsigned short rseg[8];/* routing registers */ 469 }; 470 /* Token Ring LLC structure */ 471 struct tr_llc { 472 unsigned char dsap; /* destination SAP */ 473 unsigned char ssap; /* source SAP */ 474 unsigned char llc; /* LLC control field */ 475 unsigned char protid[3]; /* protocol id */ 476 unsigned short ethertype; /* ether type field */ 477 };
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