ispvar.h revision 56004
1/* $FreeBSD: head/sys/dev/isp/ispvar.h 56004 2000-01-15 01:47:10Z mjacob $ */ 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 */ 66struct ispsoftc; 67struct 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 165typedef 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 231typedef 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 */ 296struct 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 */ 375 376#define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 377#define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 378 379/* 380 * Bus (implementation) types 381 */ 382#define ISP_BT_PCI 0 /* PCI Implementations */ 383#define ISP_BT_SBUS 1 /* SBus Implementations */ 384 385/* 386 * Chip Types 387 */ 388#define ISP_HA_SCSI 0xf 389#define ISP_HA_SCSI_UNKNOWN 0x1 390#define ISP_HA_SCSI_1020 0x2 391#define ISP_HA_SCSI_1020A 0x3 392#define ISP_HA_SCSI_1040 0x4 393#define ISP_HA_SCSI_1040A 0x5 394#define ISP_HA_SCSI_1040B 0x6 395#define ISP_HA_SCSI_1040C 0x7 396#define ISP_HA_SCSI_1240 0x8 397#define ISP_HA_SCSI_1080 0x9 398#define ISP_HA_SCSI_1280 0xa 399#define ISP_HA_FC 0xf0 400#define ISP_HA_FC_2100 0x10 401#define ISP_HA_FC_2200 0x20 402 403#define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 404#define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 405#define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 406#define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 407#define IS_12X0(isp) \ 408 (isp->isp_type == ISP_HA_SCSI_1240 || isp->isp_type == ISP_HA_SCSI_1280) 409#define IS_DUALBUS(isp) IS_12X0(isp) 410#define IS_ULTRA2(isp) \ 411 (isp->isp_type == ISP_HA_SCSI_1080 || isp->isp_type == ISP_HA_SCSI_1280) 412#define IS_FC(isp) (isp->isp_type & ISP_HA_FC) 413 414/* 415 * Function Prototypes 416 */ 417 418/* 419 * Reset Hardware. Totally. Assumes that you'll follow this with 420 * a call to isp_init. 421 */ 422void isp_reset __P((struct ispsoftc *)); 423 424/* 425 * Initialize Hardware to known state 426 */ 427void isp_init __P((struct ispsoftc *)); 428 429/* 430 * Reset the ISP and call completion for any orphaned commands. 431 */ 432void isp_restart __P((struct ispsoftc *)); 433 434/* 435 * Interrupt Service Routine 436 */ 437int isp_intr __P((void *)); 438 439/* 440 * Command Entry Point 441 */ 442int32_t ispscsicmd __P((ISP_SCSI_XFER_T *)); 443 444/* 445 * Platform Dependent to External to Internal Control Function 446 * 447 * Assumes all locks are held and that no reentrancy issues need be dealt with. 448 * 449 */ 450typedef enum { 451 ISPCTL_RESET_BUS, /* Reset Bus */ 452 ISPCTL_RESET_DEV, /* Reset Device */ 453 ISPCTL_ABORT_CMD, /* Abort Command */ 454 ISPCTL_UPDATE_PARAMS, /* Update Operating Parameters */ 455 ISPCTL_FCLINK_TEST, /* Test FC Link Status */ 456 ISPCTL_PDB_SYNC, /* Synchronize Port Database */ 457 ISPCTL_TOGGLE_TMODE /* toggle target mode */ 458} ispctl_t; 459int isp_control __P((struct ispsoftc *, ispctl_t, void *)); 460 461 462/* 463 * Platform Dependent to Internal to External Control Function 464 * (each platform must provide such a function) 465 * 466 * Assumes all locks are held and that no reentrancy issues need be dealt with. 467 * 468 */ 469 470typedef enum { 471 ISPASYNC_NEW_TGT_PARAMS, 472 ISPASYNC_BUS_RESET, /* Bus Was Reset */ 473 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 474 ISPASYNC_LOOP_UP, /* FC Loop Up */ 475 ISPASYNC_PDB_CHANGED, /* FC Port Data Base Changed */ 476 ISPASYNC_CHANGE_NOTIFY, /* FC SNS Change Notification */ 477 ISPASYNC_FABRIC_DEV, /* FC New Fabric Device */ 478 ISPASYNC_TARGET_MESSAGE, /* target message */ 479 ISPASYNC_TARGET_EVENT, /* target asynchronous event */ 480 ISPASYNC_TARGET_ACTION /* other target command action */ 481} ispasync_t; 482int isp_async __P((struct ispsoftc *, ispasync_t, void *)); 483 484/* 485 * lost command routine (XXXX IN TRANSITION XXXX) 486 */ 487void isp_lostcmd __P((struct ispsoftc *, ISP_SCSI_XFER_T *)); 488 489#endif /* _ISPVAR_H */ 490