Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/isp/ispvar.h
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1 /* $FreeBSD: src/sys/dev/isp/ispvar.h,v 1.16.2.5 2000/03/04 06:04:54 mjacob Exp $ */ 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 1 61 #define ISP_CORE_VERSION_MINOR 12 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 ISP_SCSI_XFER_T *, ispreq_t *, u_int16_t *, u_int16_t)); 73 void (*dv_dmaclr) 74 __P((struct ispsoftc *, ISP_SCSI_XFER_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 *)); 78 const u_int16_t *dv_ispfw; /* ptr to f/w */ 79 u_int16_t dv_fwlen; /* length of f/w */ 80 u_int16_t dv_codeorg; /* code ORG for f/w */ 81 u_int32_t dv_fwrev; /* f/w revision */ 82 /* 83 * Initial values for conf1 register 84 */ 85 u_int16_t dv_conf1; 86 u_int16_t dv_clock; /* clock frequency */ 87 }; 88 89 #define MAX_TARGETS 16 90 #ifdef ISP2100_FABRIC 91 #define MAX_FC_TARG 256 92 #else 93 #define MAX_FC_TARG 126 94 #endif 95 96 #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS) 97 #ifdef ISP2100_SCCLUN 98 #define _ISP_FC_LUN(isp) 65536 99 #else 100 #define _ISP_FC_LUN(isp) 16 101 #endif 102 #define _ISP_SCSI_LUN(isp) \ 103 ((ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))? 32 : 8) 104 #define ISP_MAX_LUNS(isp) \ 105 (IS_FC(isp)? _ISP_FC_LUN(isp) : _ISP_SCSI_LUN(isp)) 106 107 108 /* 109 * Macros to read, write ISP registers through bus specific code. 110 */ 111 112 #define ISP_READ(isp, reg) \ 113 (*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg)) 114 115 #define ISP_WRITE(isp, reg, val) \ 116 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val)) 117 118 #define ISP_MBOXDMASETUP(isp) \ 119 (*(isp)->isp_mdvec->dv_mbxdma)((isp)) 120 121 #define ISP_DMASETUP(isp, xs, req, iptrp, optr) \ 122 (*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req), (iptrp), (optr)) 123 124 #define ISP_DMAFREE(isp, xs, hndl) \ 125 if ((isp)->isp_mdvec->dv_dmaclr) \ 126 (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl)) 127 128 #define ISP_RESET0(isp) \ 129 if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp)) 130 #define ISP_RESET1(isp) \ 131 if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp)) 132 #define ISP_DUMPREGS(isp) \ 133 if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp)) 134 135 #define ISP_SETBITS(isp, reg, val) \ 136 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val)) 137 138 #define ISP_CLRBITS(isp, reg, val) \ 139 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val)) 140 141 /* this is the size of a queue entry (request and response) */ 142 #define QENTRY_LEN 64 143 /* both request and result queue length must be a power of two */ 144 #define RQUEST_QUEUE_LEN MAXISPREQUEST 145 /* I've seen wierdnesses with the result queue < 64 */ 146 #if MAXISPREQUEST > 64 147 #define RESULT_QUEUE_LEN (MAXISPREQUEST/2) 148 #else 149 #define RESULT_QUEUE_LEN MAXISPREQUEST 150 #endif 151 #define ISP_QUEUE_ENTRY(q, idx) ((q) + ((idx) * QENTRY_LEN)) 152 #define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN) 153 #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1)) 154 #define ISP_QAVAIL(in, out, qlen) \ 155 ((in == out)? (qlen - 1) : ((in > out)? \ 156 ((qlen - 1) - (in - out)) : (out - in - 1))) 157 158 #define ISP_ADD_REQUEST(isp, iptr) \ 159 ISP_WRITE(isp, INMAILBOX4, iptr), isp->isp_reqidx = iptr 160 161 /* 162 * SCSI Specific Host Adapter Parameters- per bus, per target 163 */ 164 165 typedef struct { 166 u_int isp_gotdparms : 1, 167 isp_req_ack_active_neg : 1, 168 isp_data_line_active_neg: 1, 169 isp_cmd_dma_burst_enable: 1, 170 isp_data_dma_burst_enabl: 1, 171 isp_fifo_threshold : 3, 172 isp_ultramode : 1, 173 isp_diffmode : 1, 174 isp_lvdmode : 1, 175 : 1, 176 isp_initiator_id : 4, 177 isp_async_data_setup : 4; 178 u_int16_t isp_selection_timeout; 179 u_int16_t isp_max_queue_depth; 180 u_int8_t isp_tag_aging; 181 u_int8_t isp_bus_reset_delay; 182 u_int8_t isp_retry_count; 183 u_int8_t isp_retry_delay; 184 struct { 185 u_int dev_enable : 1, /* ignored */ 186 : 1, 187 dev_update : 1, 188 dev_refresh : 1, 189 exc_throttle : 8, 190 cur_offset : 4, 191 sync_offset : 4; 192 u_int8_t cur_period; /* current sync period */ 193 u_int8_t sync_period; /* goal sync period */ 194 u_int16_t dev_flags; /* goal device flags */ 195 u_int16_t cur_dflags; /* current device flags */ 196 } isp_devparam[MAX_TARGETS]; 197 } sdparam; 198 199 /* 200 * Device Flags 201 */ 202 #define DPARM_DISC 0x8000 203 #define DPARM_PARITY 0x4000 204 #define DPARM_WIDE 0x2000 205 #define DPARM_SYNC 0x1000 206 #define DPARM_TQING 0x0800 207 #define DPARM_ARQ 0x0400 208 #define DPARM_QFRZ 0x0200 209 #define DPARM_RENEG 0x0100 210 #define DPARM_NARROW 0x0080 /* Possibly only available with >= 7.55 fw */ 211 #define DPARM_ASYNC 0x0040 /* Possibly only available with >= 7.55 fw */ 212 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ) 213 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING)) 214 215 216 /* technically, not really correct, as they need to be rated based upon clock */ 217 #define ISP_40M_SYNCPARMS 0x080a 218 #define ISP_20M_SYNCPARMS 0x080c 219 #define ISP_10M_SYNCPARMS 0x0c19 220 #define ISP_08M_SYNCPARMS 0x0c25 221 #define ISP_05M_SYNCPARMS 0x0c32 222 #define ISP_04M_SYNCPARMS 0x0c41 223 224 /* 225 * Fibre Channel Specifics 226 */ 227 #define FL_PORT_ID 0x7e /* FL_Port Special ID */ 228 #define FC_PORT_ID 0x7f /* Fabric Controller Special ID */ 229 #define FC_SNS_ID 0x80 /* SNS Server Special ID */ 230 231 typedef struct { 232 u_int32_t isp_fwoptions : 16, 233 : 7, 234 loop_seen_once : 1, 235 isp_loopstate : 3, /* Current Loop State */ 236 isp_fwstate : 3, /* ISP F/W state */ 237 isp_gotdparms : 1, 238 isp_onfabric : 1; 239 u_int8_t isp_loopid; /* hard loop id */ 240 u_int8_t isp_alpa; /* ALPA */ 241 volatile u_int16_t isp_lipseq; /* LIP sequence # */ 242 u_int32_t isp_portid; 243 u_int8_t isp_execthrottle; 244 u_int8_t isp_retry_delay; 245 u_int8_t isp_retry_count; 246 u_int8_t isp_reserved; 247 u_int16_t isp_maxalloc; 248 u_int16_t isp_maxfrmlen; 249 u_int64_t isp_nodewwn; 250 u_int64_t isp_portwwn; 251 /* 252 * Port Data Base. This is indexed by 'target', which is invariate. 253 * However, elements within can move around due to loop changes, 254 * so the actual loop ID passed to the F/W is in this structure. 255 * The first time the loop is seen up, loopid will match the index 256 * (except for fabric nodes which are above mapped above FC_SNS_ID 257 * and are completely virtual), but subsequent LIPs can cause things 258 * to move around. 259 */ 260 struct lportdb { 261 u_int 262 loopid : 8, 263 : 4, 264 fabdev : 1, 265 roles : 2, 266 valid : 1; 267 u_int32_t portid; 268 u_int64_t node_wwn; 269 u_int64_t port_wwn; 270 } portdb[MAX_FC_TARG], tport[FL_PORT_ID]; 271 272 /* 273 * Scratch DMA mapped in area to fetch Port Database stuff, etc. 274 */ 275 caddr_t isp_scratch; 276 u_int32_t isp_scdma; 277 } fcparam; 278 279 #define FW_CONFIG_WAIT 0 280 #define FW_WAIT_AL_PA 1 281 #define FW_WAIT_LOGIN 2 282 #define FW_READY 3 283 #define FW_LOSS_OF_SYNC 4 284 #define FW_ERROR 5 285 #define FW_REINIT 6 286 #define FW_NON_PART 7 287 288 #define LOOP_NIL 0 289 #define LOOP_LIP_RCVD 1 290 #define LOOP_PDB_RCVD 2 291 #define LOOP_READY 7 292 293 /* 294 * Soft Structure per host adapter 295 */ 296 struct ispsoftc { 297 /* 298 * Platform (OS) specific data 299 */ 300 struct isposinfo isp_osinfo; 301 302 /* 303 * Pointer to bus specific functions and data 304 */ 305 struct ispmdvec * isp_mdvec; 306 307 /* 308 * (Mostly) nonvolatile state. Board specific parameters 309 * may contain some volatile state (e.g., current loop state). 310 */ 311 312 void * isp_param; /* type specific */ 313 u_int16_t isp_fwrev[3]; /* Loaded F/W revision */ 314 u_int16_t isp_romfw_rev[3]; /* PROM F/W revision */ 315 u_int16_t isp_maxcmds; /* max possible I/O cmds */ 316 u_int8_t isp_type; /* HBA Chip Type */ 317 u_int8_t isp_revision; /* HBA Chip H/W Revision */ 318 319 u_int32_t : 4, 320 isp_touched : 1, /* board ever seen? */ 321 isp_fast_mttr : 1, /* fast sram */ 322 isp_bustype : 1, /* SBus or PCI */ 323 isp_dogactive : 1, /* watchdog running */ 324 isp_dblev : 8, /* debug level */ 325 isp_clock : 8, /* input clock */ 326 isp_confopts : 8; /* config options */ 327 328 /* 329 * Volatile state 330 */ 331 332 volatile u_int32_t : 9, 333 isp_state : 3, 334 isp_sendmarker : 2, /* send a marker entry */ 335 isp_update : 2, /* update parameters */ 336 isp_nactive : 16; /* how many commands active */ 337 338 volatile u_int16_t isp_reqodx; /* index of last ISP pickup */ 339 volatile u_int16_t isp_reqidx; /* index of next request */ 340 volatile u_int16_t isp_residx; /* index of next result */ 341 volatile u_int16_t isp_lasthdls; /* last handle seed */ 342 343 /* 344 * Active commands are stored here, indexed by handle functions. 345 */ 346 ISP_SCSI_XFER_T **isp_xflist; 347 348 /* 349 * request/result queue pointers and dma handles for them. 350 */ 351 caddr_t isp_rquest; 352 caddr_t isp_result; 353 u_int32_t isp_rquest_dma; 354 u_int32_t isp_result_dma; 355 }; 356 357 #define SDPARAM(isp) ((sdparam *) (isp)->isp_param) 358 #define FCPARAM(isp) ((fcparam *) (isp)->isp_param) 359 360 /* 361 * ISP States 362 */ 363 #define ISP_NILSTATE 0 364 #define ISP_RESETSTATE 1 365 #define ISP_INITSTATE 2 366 #define ISP_RUNSTATE 3 367 368 /* 369 * ISP Configuration Options 370 */ 371 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ 372 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ 373 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ 374 #define ISP_CFG_OWNWWN 0x02 /* override NVRAM wwn */ 375 #define ISP_CFG_NPORT 0x04 /* try to force N- instead of L-Port */ 376 377 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 378 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 379 380 /* 381 * Bus (implementation) types 382 */ 383 #define ISP_BT_PCI 0 /* PCI Implementations */ 384 #define ISP_BT_SBUS 1 /* SBus Implementations */ 385 386 /* 387 * Chip Types 388 */ 389 #define ISP_HA_SCSI 0xf 390 #define ISP_HA_SCSI_UNKNOWN 0x1 391 #define ISP_HA_SCSI_1020 0x2 392 #define ISP_HA_SCSI_1020A 0x3 393 #define ISP_HA_SCSI_1040 0x4 394 #define ISP_HA_SCSI_1040A 0x5 395 #define ISP_HA_SCSI_1040B 0x6 396 #define ISP_HA_SCSI_1040C 0x7 397 #define ISP_HA_SCSI_1240 0x8 398 #define ISP_HA_SCSI_1080 0x9 399 #define ISP_HA_SCSI_1280 0xa 400 #define ISP_HA_SCSI_12160 0xb 401 #define ISP_HA_FC 0xf0 402 #define ISP_HA_FC_2100 0x10 403 #define ISP_HA_FC_2200 0x20 404 405 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 406 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 407 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 408 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 409 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160) 410 411 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp)) 412 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp)) 413 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_12160(isp)) 414 #define IS_ULTRA3(isp) (IS_12160(isp)) 415 416 #define IS_FC(isp) (isp->isp_type & ISP_HA_FC) 417 #define IS_2100(isp) (isp->isp_type == ISP_HA_FC_2100) 418 #define IS_2200(isp) (isp->isp_type == ISP_HA_FC_2200) 419 420 421 /* 422 * Function Prototypes 423 */ 424 425 /* 426 * Reset Hardware. Totally. Assumes that you'll follow this with 427 * a call to isp_init. 428 */ 429 void isp_reset __P((struct ispsoftc *)); 430 431 /* 432 * Initialize Hardware to known state 433 */ 434 void isp_init __P((struct ispsoftc *)); 435 436 /* 437 * Reset the ISP and call completion for any orphaned commands. 438 */ 439 void isp_restart __P((struct ispsoftc *)); 440 441 /* 442 * Interrupt Service Routine 443 */ 444 int isp_intr __P((void *)); 445 446 /* 447 * Command Entry Point 448 */ 449 int32_t ispscsicmd __P((ISP_SCSI_XFER_T *)); 450 451 /* 452 * Platform Dependent to External to Internal Control Function 453 * 454 * Assumes all locks are held and that no reentrancy issues need be dealt with. 455 * 456 */ 457 typedef enum { 458 ISPCTL_RESET_BUS, /* Reset Bus */ 459 ISPCTL_RESET_DEV, /* Reset Device */ 460 ISPCTL_ABORT_CMD, /* Abort Command */ 461 ISPCTL_UPDATE_PARAMS, /* Update Operating Parameters */ 462 ISPCTL_FCLINK_TEST, /* Test FC Link Status */ 463 ISPCTL_PDB_SYNC, /* Synchronize Port Database */ 464 ISPCTL_TOGGLE_TMODE /* toggle target mode */ 465 } ispctl_t; 466 int isp_control __P((struct ispsoftc *, ispctl_t, void *)); 467 468 469 /* 470 * Platform Dependent to Internal to External Control Function 471 * (each platform must provide such a function) 472 * 473 * Assumes all locks are held and that no reentrancy issues need be dealt with. 474 * 475 */ 476 477 typedef enum { 478 ISPASYNC_NEW_TGT_PARAMS, 479 ISPASYNC_BUS_RESET, /* Bus Was Reset */ 480 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 481 ISPASYNC_LOOP_UP, /* FC Loop Up */ 482 ISPASYNC_PDB_CHANGED, /* FC Port Data Base Changed */ 483 ISPASYNC_CHANGE_NOTIFY, /* FC SNS Change Notification */ 484 ISPASYNC_FABRIC_DEV, /* FC New Fabric Device */ 485 ISPASYNC_TARGET_MESSAGE, /* target message */ 486 ISPASYNC_TARGET_EVENT, /* target asynchronous event */ 487 ISPASYNC_TARGET_ACTION /* other target command action */ 488 } ispasync_t; 489 int isp_async __P((struct ispsoftc *, ispasync_t, void *)); 490 491 /* 492 * lost command routine (XXXX IN TRANSITION XXXX) 493 */ 494 void isp_lostcmd __P((struct ispsoftc *, ISP_SCSI_XFER_T *)); 495 496 #endif /* _ISPVAR_H */
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