1 /* $FreeBSD$ */ 2 /* 3 * Soft Definitions for for Qlogic ISP SCSI adapters. 4 * 5 * Copyright (c) 1997, 1998, 1999 by Matthew Jacob 6 * NASA/Ames Research Center 7 * All rights reserved. 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 immediately at the beginning of the file, without modification, 14 * this list of conditions, and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 25 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 */ 34 35 #ifndef _ISPVAR_H 36 #define _ISPVAR_H 37 38 #if defined(__NetBSD__) || defined(__OpenBSD__) 39 #include <dev/ic/ispmbox.h> 40 #ifdef ISP_TARGET_MODE 41 #include <dev/ic/isp_target.h> 42 #include <dev/ic/isp_tpublic.h> 43 #endif 44 #endif 45 #ifdef __FreeBSD__ 46 #include <dev/isp/ispmbox.h> 47 #ifdef ISP_TARGET_MODE 48 #include <dev/isp/isp_target.h> 49 #include <dev/isp/isp_tpublic.h> 50 #endif 51 #endif 52 #ifdef __linux__ 53 #include "ispmbox.h" 54 #ifdef ISP_TARGET_MODE 55 #include "isp_target.h" 56 #include "isp_tpublic.h" 57 #endif 58 #endif 59 60 #define ISP_CORE_VERSION_MAJOR 2 61 #define ISP_CORE_VERSION_MINOR 0 62 63 /* 64 * Vector for bus specific code to provide specific services. 65 */ 66 struct ispsoftc; 67 struct ispmdvec { 68 u_int16_t (*dv_rd_reg) __P((struct ispsoftc *, int)); 69 void (*dv_wr_reg) __P((struct ispsoftc *, int, u_int16_t)); 70 int (*dv_mbxdma) __P((struct ispsoftc *)); 71 int (*dv_dmaset) __P((struct ispsoftc *, 72 XS_T *, ispreq_t *, u_int16_t *, u_int16_t)); 73 void (*dv_dmaclr) 74 __P((struct ispsoftc *, XS_T *, u_int32_t)); 75 void (*dv_reset0) __P((struct ispsoftc *)); 76 void (*dv_reset1) __P((struct ispsoftc *)); 77 void (*dv_dregs) __P((struct ispsoftc *, const char *)); 78 const u_int16_t *dv_ispfw; /* ptr to f/w */ 79 u_int16_t dv_conf1; 80 u_int16_t dv_clock; /* clock frequency */ 81 }; 82 83 /* 84 * Overall parameters 85 */ 86 #define MAX_TARGETS 16 87 #ifdef ISP2100_FABRIC 88 #define MAX_FC_TARG 256 89 #else 90 #define MAX_FC_TARG 126 91 #endif 92 93 #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS) 94 #define ISP_MAX_LUNS(isp) (isp)->isp_maxluns 95 96 97 /* 98 * Macros to access ISP registers through bus specific layers- 99 * mostly wrappers to vector through the mdvec structure. 100 */ 101 102 #define ISP_READ(isp, reg) \ 103 (*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg)) 104 105 #define ISP_WRITE(isp, reg, val) \ 106 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val)) 107 108 #define ISP_MBOXDMASETUP(isp) \ 109 (*(isp)->isp_mdvec->dv_mbxdma)((isp)) 110 111 #define ISP_DMASETUP(isp, xs, req, iptrp, optr) \ 112 (*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req), (iptrp), (optr)) 113 114 #define ISP_DMAFREE(isp, xs, hndl) \ 115 if ((isp)->isp_mdvec->dv_dmaclr) \ 116 (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl)) 117 118 #define ISP_RESET0(isp) \ 119 if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp)) 120 #define ISP_RESET1(isp) \ 121 if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp)) 122 #define ISP_DUMPREGS(isp, m) \ 123 if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m)) 124 125 #define ISP_SETBITS(isp, reg, val) \ 126 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val)) 127 128 #define ISP_CLRBITS(isp, reg, val) \ 129 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val)) 130 131 /* 132 * The MEMORYBARRIER macro is defined per platform (to provide synchronization 133 * on Request and Response Queues, Scratch DMA areas, and Registers) 134 * 135 * Defined Memory Barrier Synchronization Types 136 */ 137 #define SYNC_REQUEST 0 /* request queue synchronization */ 138 #define SYNC_RESULT 1 /* result queue synchronization */ 139 #define SYNC_SFORDEV 2 /* scratch, sync for ISP */ 140 #define SYNC_SFORCPU 3 /* scratch, sync for CPU */ 141 #define SYNC_REG 4 /* for registers */ 142 143 /* 144 * Request/Response Queue defines and macros. 145 * The maximum is defined per platform (and can be based on board type). 146 */ 147 /* This is the size of a queue entry (request and response) */ 148 #define QENTRY_LEN 64 149 /* Both request and result queue length must be a power of two */ 150 #define RQUEST_QUEUE_LEN(x) MAXISPREQUEST(x) 151 #define RESULT_QUEUE_LEN(x) \ 152 (((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2) 153 #define ISP_QUEUE_ENTRY(q, idx) ((q) + ((idx) * QENTRY_LEN)) 154 #define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN) 155 #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1)) 156 #define ISP_QAVAIL(in, out, qlen) \ 157 ((in == out)? (qlen - 1) : ((in > out)? \ 158 ((qlen - 1) - (in - out)) : (out - in - 1))) 159 160 #define ISP_ADD_REQUEST(isp, iptr) \ 161 MEMORYBARRIER(isp, SYNC_REQUEST, iptr, QENTRY_LEN); \ 162 ISP_WRITE(isp, INMAILBOX4, iptr); \ 163 isp->isp_reqidx = iptr 164 165 /* 166 * SCSI Specific Host Adapter Parameters- per bus, per target 167 */ 168 169 typedef struct { 170 u_int isp_gotdparms : 1, 171 isp_req_ack_active_neg : 1, 172 isp_data_line_active_neg: 1, 173 isp_cmd_dma_burst_enable: 1, 174 isp_data_dma_burst_enabl: 1, 175 isp_fifo_threshold : 3, 176 isp_ultramode : 1, 177 isp_diffmode : 1, 178 isp_lvdmode : 1, 179 : 1, 180 isp_initiator_id : 4, 181 isp_async_data_setup : 4; 182 u_int16_t isp_selection_timeout; 183 u_int16_t isp_max_queue_depth; 184 u_int8_t isp_tag_aging; 185 u_int8_t isp_bus_reset_delay; 186 u_int8_t isp_retry_count; 187 u_int8_t isp_retry_delay; 188 struct { 189 u_int dev_enable : 1, /* ignored */ 190 : 1, 191 dev_update : 1, 192 dev_refresh : 1, 193 exc_throttle : 8, 194 cur_offset : 4, 195 sync_offset : 4; 196 u_int8_t cur_period; /* current sync period */ 197 u_int8_t sync_period; /* goal sync period */ 198 u_int16_t dev_flags; /* goal device flags */ 199 u_int16_t cur_dflags; /* current device flags */ 200 } isp_devparam[MAX_TARGETS]; 201 } sdparam; 202 203 /* 204 * Device Flags 205 */ 206 #define DPARM_DISC 0x8000 207 #define DPARM_PARITY 0x4000 208 #define DPARM_WIDE 0x2000 209 #define DPARM_SYNC 0x1000 210 #define DPARM_TQING 0x0800 211 #define DPARM_ARQ 0x0400 212 #define DPARM_QFRZ 0x0200 213 #define DPARM_RENEG 0x0100 214 #define DPARM_NARROW 0x0080 /* Possibly only available with >= 7.55 fw */ 215 #define DPARM_ASYNC 0x0040 /* Possibly only available with >= 7.55 fw */ 216 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ) 217 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING)) 218 219 220 /* technically, not really correct, as they need to be rated based upon clock */ 221 #define ISP_40M_SYNCPARMS 0x080a 222 #define ISP_20M_SYNCPARMS 0x080c 223 #define ISP_10M_SYNCPARMS 0x0c19 224 #define ISP_08M_SYNCPARMS 0x0c25 225 #define ISP_05M_SYNCPARMS 0x0c32 226 #define ISP_04M_SYNCPARMS 0x0c41 227 228 /* 229 * Fibre Channel Specifics 230 */ 231 #define FL_PORT_ID 0x7e /* FL_Port Special ID */ 232 #define FC_PORT_ID 0x7f /* Fabric Controller Special ID */ 233 #define FC_SNS_ID 0x80 /* SNS Server Special ID */ 234 235 typedef struct { 236 u_int32_t isp_fwoptions : 16, 237 : 4, 238 loop_seen_once : 1, 239 isp_loopstate : 3, /* Current Loop State */ 240 isp_fwstate : 3, /* ISP F/W state */ 241 isp_gotdparms : 1, 242 isp_topo : 3, 243 isp_onfabric : 1; 244 u_int8_t isp_loopid; /* hard loop id */ 245 u_int8_t isp_alpa; /* ALPA */ 246 volatile u_int16_t isp_lipseq; /* LIP sequence # */ 247 u_int32_t isp_portid; 248 u_int8_t isp_execthrottle; 249 u_int8_t isp_retry_delay; 250 u_int8_t isp_retry_count; 251 u_int8_t isp_reserved; 252 u_int16_t isp_maxalloc; 253 u_int16_t isp_maxfrmlen; 254 u_int64_t isp_nodewwn; 255 u_int64_t isp_portwwn; 256 /* 257 * Port Data Base. This is indexed by 'target', which is invariate. 258 * However, elements within can move around due to loop changes, 259 * so the actual loop ID passed to the F/W is in this structure. 260 * The first time the loop is seen up, loopid will match the index 261 * (except for fabric nodes which are above mapped above FC_SNS_ID 262 * and are completely virtual), but subsequent LIPs can cause things 263 * to move around. 264 */ 265 struct lportdb { 266 u_int 267 loopid : 8, 268 : 4, 269 loggedin : 1, 270 roles : 2, 271 valid : 1; 272 u_int32_t portid; 273 u_int64_t node_wwn; 274 u_int64_t port_wwn; 275 } portdb[MAX_FC_TARG], tport[FL_PORT_ID]; 276 277 /* 278 * Scratch DMA mapped in area to fetch Port Database stuff, etc. 279 */ 280 caddr_t isp_scratch; 281 u_int32_t isp_scdma; 282 } fcparam; 283 284 #define FW_CONFIG_WAIT 0 285 #define FW_WAIT_AL_PA 1 286 #define FW_WAIT_LOGIN 2 287 #define FW_READY 3 288 #define FW_LOSS_OF_SYNC 4 289 #define FW_ERROR 5 290 #define FW_REINIT 6 291 #define FW_NON_PART 7 292 293 #define LOOP_NIL 0 294 #define LOOP_LIP_RCVD 1 295 #define LOOP_PDB_RCVD 2 296 #define LOOP_READY 7 297 298 #define TOPO_NL_PORT 0 299 #define TOPO_FL_PORT 1 300 #define TOPO_N_PORT 2 301 #define TOPO_F_PORT 3 302 #define TOPO_PTP_STUB 4 303 304 /* 305 * Soft Structure per host adapter 306 */ 307 struct ispsoftc { 308 /* 309 * Platform (OS) specific data 310 */ 311 struct isposinfo isp_osinfo; 312 313 /* 314 * Pointer to bus specific functions and data 315 */ 316 struct ispmdvec * isp_mdvec; 317 318 /* 319 * (Mostly) nonvolatile state. Board specific parameters 320 * may contain some volatile state (e.g., current loop state). 321 */ 322 323 void * isp_param; /* type specific */ 324 u_int16_t isp_fwrev[3]; /* Loaded F/W revision */ 325 u_int16_t isp_romfw_rev[3]; /* PROM F/W revision */ 326 u_int16_t isp_maxcmds; /* max possible I/O cmds */ 327 u_int8_t isp_type; /* HBA Chip Type */ 328 u_int8_t isp_revision; /* HBA Chip H/W Revision */ 329 u_int32_t isp_maxluns; /* maximum luns supported */ 330 331 u_int32_t 332 isp_touched : 1, /* board ever seen? */ 333 isp_fast_mttr : 1, /* fast sram */ 334 isp_bustype : 1, /* SBus or PCI */ 335 : 1, 336 isp_dblev : 12, /* debug log mask */ 337 isp_clock : 8, /* input clock */ 338 isp_confopts : 8; /* config options */ 339 340 /* 341 * Volatile state 342 */ 343 344 volatile u_int32_t 345 isp_mboxbsy : 8, /* mailbox command active */ 346 : 1, 347 isp_state : 3, 348 isp_sendmarker : 2, /* send a marker entry */ 349 isp_update : 2, /* update parameters */ 350 isp_nactive : 16; /* how many commands active */ 351 volatile u_int16_t isp_reqodx; /* index of last ISP pickup */ 352 volatile u_int16_t isp_reqidx; /* index of next request */ 353 volatile u_int16_t isp_residx; /* index of next result */ 354 volatile u_int16_t isp_lasthdls; /* last handle seed */ 355 volatile u_int16_t isp_mboxtmp[MAX_MAILBOX]; 356 357 /* 358 * Active commands are stored here, indexed by handle functions. 359 */ 360 XS_T **isp_xflist; 361 362 /* 363 * request/result queue pointers and dma handles for them. 364 */ 365 caddr_t isp_rquest; 366 caddr_t isp_result; 367 u_int32_t isp_rquest_dma; 368 u_int32_t isp_result_dma; 369 }; 370 371 #define SDPARAM(isp) ((sdparam *) (isp)->isp_param) 372 #define FCPARAM(isp) ((fcparam *) (isp)->isp_param) 373 374 /* 375 * ISP Driver Run States 376 */ 377 #define ISP_NILSTATE 0 378 #define ISP_RESETSTATE 1 379 #define ISP_INITSTATE 2 380 #define ISP_RUNSTATE 3 381 382 /* 383 * ISP Configuration Options 384 */ 385 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ 386 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ 387 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ 388 #define ISP_CFG_OWNWWN 0x02 /* override NVRAM wwn */ 389 #define ISP_CFG_NPORT 0x04 /* try to force N- instead of L-Port */ 390 391 /* 392 * Firmware related defines 393 */ 394 #define ISP_CODE_ORG 0x1000 /* default f/w code start */ 395 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 396 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 397 398 /* 399 * Bus (implementation) types 400 */ 401 #define ISP_BT_PCI 0 /* PCI Implementations */ 402 #define ISP_BT_SBUS 1 /* SBus Implementations */ 403 404 /* 405 * Chip Types 406 */ 407 #define ISP_HA_SCSI 0xf 408 #define ISP_HA_SCSI_UNKNOWN 0x1 409 #define ISP_HA_SCSI_1020 0x2 410 #define ISP_HA_SCSI_1020A 0x3 411 #define ISP_HA_SCSI_1040 0x4 412 #define ISP_HA_SCSI_1040A 0x5 413 #define ISP_HA_SCSI_1040B 0x6 414 #define ISP_HA_SCSI_1040C 0x7 415 #define ISP_HA_SCSI_1240 0x8 416 #define ISP_HA_SCSI_1080 0x9 417 #define ISP_HA_SCSI_1280 0xa 418 #define ISP_HA_SCSI_12160 0xb 419 #define ISP_HA_FC 0xf0 420 #define ISP_HA_FC_2100 0x10 421 #define ISP_HA_FC_2200 0x20 422 423 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 424 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 425 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 426 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 427 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160) 428 429 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp)) 430 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp)) 431 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_12160(isp)) 432 #define IS_ULTRA3(isp) (IS_12160(isp)) 433 434 #define IS_FC(isp) (isp->isp_type & ISP_HA_FC) 435 #define IS_2100(isp) (isp->isp_type == ISP_HA_FC_2100) 436 #define IS_2200(isp) (isp->isp_type == ISP_HA_FC_2200) 437 438 /* 439 * DMA cookie macros 440 */ 441 #define DMA_MSW(x) (((x) >> 16) & 0xffff) 442 #define DMA_LSW(x) (((x) & 0xffff)) 443 444 /* 445 * Core System Function Prototypes 446 */ 447 448 /* 449 * Reset Hardware. Totally. Assumes that you'll follow this with 450 * a call to isp_init. 451 */ 452 void isp_reset __P((struct ispsoftc *)); 453 454 /* 455 * Initialize Hardware to known state 456 */ 457 void isp_init __P((struct ispsoftc *)); 458 459 /* 460 * Reset the ISP and call completion for any orphaned commands. 461 */ 462 void isp_reinit __P((struct ispsoftc *)); 463 464 /* 465 * Interrupt Service Routine 466 */ 467 int isp_intr __P((void *)); 468 469 /* 470 * Command Entry Point- Platform Dependent layers call into this 471 */ 472 int isp_start __P((XS_T *)); 473 /* these values are what isp_start returns */ 474 #define CMD_COMPLETE 101 /* command completed */ 475 #define CMD_EAGAIN 102 /* busy- maybe retry later */ 476 #define CMD_QUEUED 103 /* command has been queued for execution */ 477 #define CMD_RQLATER 104 /* requeue this command later */ 478 479 /* 480 * Command Completion Point- Core layers call out from this with completed cmds 481 */ 482 void isp_done __P((XS_T *)); 483 484 /* 485 * Platform Dependent to External to Internal Control Function 486 * 487 * Assumes all locks are held and that no reentrancy issues need be dealt with. 488 * 489 */ 490 typedef enum { 491 ISPCTL_RESET_BUS, /* Reset Bus */ 492 ISPCTL_RESET_DEV, /* Reset Device */ 493 ISPCTL_ABORT_CMD, /* Abort Command */ 494 ISPCTL_UPDATE_PARAMS, /* Update Operating Parameters */ 495 ISPCTL_FCLINK_TEST, /* Test FC Link Status */ 496 ISPCTL_PDB_SYNC, /* Synchronize Port Database */ 497 ISPCTL_TOGGLE_TMODE /* toggle target mode */ 498 } ispctl_t; 499 int isp_control __P((struct ispsoftc *, ispctl_t, void *)); 500 501 502 /* 503 * Platform Dependent to Internal to External Control Function 504 * (each platform must provide such a function) 505 * 506 * Assumes all locks are held and that no reentrancy issues need be dealt with. 507 * 508 */ 509 510 typedef enum { 511 ISPASYNC_NEW_TGT_PARAMS, 512 ISPASYNC_BUS_RESET, /* Bus Was Reset */ 513 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 514 ISPASYNC_LOOP_UP, /* FC Loop Up */ 515 ISPASYNC_PDB_CHANGED, /* FC Port Data Base Changed */ 516 ISPASYNC_CHANGE_NOTIFY, /* FC SNS Change Notification */ 517 ISPASYNC_FABRIC_DEV, /* FC New Fabric Device */ 518 ISPASYNC_TARGET_MESSAGE, /* target message */ 519 ISPASYNC_TARGET_EVENT, /* target asynchronous event */ 520 ISPASYNC_TARGET_ACTION /* other target command action */ 521 } ispasync_t; 522 int isp_async __P((struct ispsoftc *, ispasync_t, void *)); 523 524 /* 525 * Platform Dependent Error and Debug Printout 526 */ 527 void isp_prt __P((struct ispsoftc *, int level, const char *, ...)); 528 #define ISP_LOGALL 0x0 /* log always */ 529 #define ISP_LOGCONFIG 0x1 /* log configuration messages */ 530 #define ISP_LOGINFO 0x2 /* log informational messages */ 531 #define ISP_LOGWARN 0x4 /* log warning messages */ 532 #define ISP_LOGERR 0x8 /* log error messages */ 533 #define ISP_LOGDEBUG0 0x10 /* log simple debug messages */ 534 #define ISP_LOGDEBUG1 0x20 /* log intermediate debug messages */ 535 #define ISP_LOGDEBUG2 0x40 /* log most debug messages */ 536 #define ISP_LOGDEBUG3 0x100 /* log high frequency debug messages */ 537 #define ISP_LOGTDEBUG0 0x200 /* log simple debug messages (target mode) */ 538 #define ISP_LOGTDEBUG1 0x400 /* log intermediate debug messages (target) */ 539 #define ISP_LOGTDEBUG2 0x800 /* log all debug messages (target) */ 540 541 /* 542 * Each Platform provides it's own isposinfo substructure of the ispsoftc 543 * defined above. 544 * 545 * Each platform must also provide the following macros/defines: 546 * 547 * 548 * INLINE - platform specific define for 'inline' functions 549 * 550 * ISP2100_FABRIC - defines whether FABRIC support is enabled 551 * ISP2100_SCRLEN - length for the Fibre Channel scratch DMA area 552 * 553 * MEMZERO(dst, src) platform zeroing function 554 * MEMCPY(dst, src, count) platform copying function 555 * SNPRINTF(buf, bufsize, fmt, ...) snprintf 556 * STRNCAT(dstbuf, size, srcbuf) strncat 557 * USEC_DELAY(usecs) microsecond spindelay function 558 * 559 * NANOTIME_T nanosecond time type 560 * 561 * GET_NANOTIME(NANOTIME_T *) get current nanotime. 562 * 563 * GET_NANOSEC(NANOTIME_T *) get u_int64_t from NANOTIME_T 564 * 565 * NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *) 566 * subtract two NANOTIME_T values 567 * 568 * 569 * MAXISPREQUEST(struct ispsoftc *) maximum request queue size 570 * for this particular board type 571 * 572 * MEMORYBARRIER(struct ispsoftc *, barrier_type, offset, size) 573 * 574 * Function/Macro the provides memory synchronization on 575 * various objects so that the ISP's and the system's view 576 * of the same object is consistent. 577 * 578 * MBOX_ACQUIRE(struct ispsoftc *) acquire lock on mailbox regs 579 * MBOX_WAIT_COMPLETE(struct ispsoftc *) wait for mailbox cmd to be done 580 * MBOX_NOTIFY_COMPLETE(struct ispsoftc *) notification of mbox cmd donee 581 * MBOX_RELEASE(struct ispsoftc *) release lock on mailbox regs 582 * 583 * 584 * SCSI_GOOD SCSI 'Good' Status 585 * SCSI_CHECK SCSI 'Check Condition' Status 586 * SCSI_BUSY SCSI 'Busy' Status 587 * SCSI_QFULL SCSI 'Queue Full' Status 588 * 589 * XS_T Platform SCSI transaction type (i.e., command for HBA) 590 * XS_ISP(xs) gets an instance out of an XS_T 591 * XS_CHANNEL(xs) gets the channel (bus # for DUALBUS cards) "" 592 * XS_TGT(xs) gets the target "" 593 * XS_LUN(xs) gets the lun "" 594 * XS_CDBP(xs) gets a pointer to the scsi CDB "" 595 * XS_CDBLEN(xs) gets the CDB's length "" 596 * XS_XFRLEN(xs) gets the associated data transfer length "" 597 * XS_TIME(xs) gets the time (in milliseconds) for this command 598 * XS_RESID(xs) gets the current residual count 599 * XS_STSP(xs) gets a pointer to the SCSI status byte "" 600 * XS_SNSP(xs) gets a pointer to the associate sense data 601 * XS_SNSLEN(xs) gets the length of sense data storage 602 * XS_SNSKEY(xs) dereferences XS_SNSP to get the current stored Sense Key 603 * XS_TAG_P(xs) predicate of whether this command should be tagged 604 * XS_TAG_TYPE(xs) which type of tag to use 605 * XS_SETERR(xs) set error state 606 * 607 * HBA_NOERROR command has no erros 608 * HBA_BOTCH hba botched something 609 * HBA_CMDTIMEOUT command timed out 610 * HBA_SELTIMEOUT selection timed out (also port logouts for FC) 611 * HBA_TGTBSY target returned a BUSY status 612 * HBA_BUSRESET bus reset destroyed command 613 * HBA_ABORTED command was aborted (by request) 614 * HBA_DATAOVR a data overrun was detected 615 * HBA_ARQFAIL Automatic Request Sense failed 616 * 617 * XS_ERR(xs) return current error state 618 * XS_NOERR(xs) there is no error currently set 619 * XS_INITERR(xs) initialize error state 620 * 621 * XS_SAVE_SENSE(xs, sp) save sense data 622 * 623 * XS_SET_STATE_STAT(isp, sp, xs) platform dependent interpreter of 624 * response queue entry status bits 625 * 626 * 627 * DEFAULT_IID(struct ispsoftc *) Default SCSI initiator ID 628 * 629 * DEFAULT_LOOPID(struct ispsoftc *) Default FC Loop ID 630 * DEFAULT_NODEWWN(struct ispsoftc *) Default FC Node WWN 631 * DEFAULT_PORTWWN(struct ispsoftc *) Default FC Port WWN 632 * 633 * PORT_FROM_NODE_WWN(struct ispsoftc *, u_int64_t nwwn) 634 * 635 * Node to Port WWN generator- this needs to be platform 636 * specific so that given a NAA=2 WWN dragged from the Qlogic 637 * card's NVRAM, a Port WWN can be generated that has the 638 * appropriate bits set in bits 48..60 that are likely to be 639 * based on the device instance number. 640 * 641 * (XXX these do endian specific transformations- in transition XXX) 642 * ISP_SWIZZLE_ICB 643 * ISP_UNSWIZZLE_AND_COPY_PDBP 644 * ISP_SWIZZLE_CONTINUATION 645 * ISP_SWIZZLE_REQUEST 646 * ISP_UNSWIZZLE_RESPONSE 647 * ISP_SWIZZLE_SNS_REQ 648 * ISP_UNSWIZZLE_SNS_RSP 649 * ISP_SWIZZLE_NVRAM_WORD 650 * 651 * 652 */ 653 #endif /* _ISPVAR_H */ 654