1 /* $FreeBSD$ */ 2 /* 3 * Soft Definitions for for Qlogic ISP SCSI adapters. 4 * 5 * Copyright (c) 1997, 1998, 1999, 2000 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31 #ifndef _ISPVAR_H 32 #define _ISPVAR_H 33 34 #if defined(__NetBSD__) || defined(__OpenBSD__) 35 #include <dev/ic/ispmbox.h> 36 #ifdef ISP_TARGET_MODE 37 #include <dev/ic/isp_target.h> 38 #include <dev/ic/isp_tpublic.h> 39 #endif 40 #endif 41 #ifdef __FreeBSD__ 42 #include <dev/isp/ispmbox.h> 43 #ifdef ISP_TARGET_MODE 44 #include <dev/isp/isp_target.h> 45 #include <dev/isp/isp_tpublic.h> 46 #endif 47 #endif 48 #ifdef __linux__ 49 #include "ispmbox.h" 50 #ifdef ISP_TARGET_MODE 51 #include "isp_target.h" 52 #include "isp_tpublic.h" 53 #endif 54 #endif 55 56 #define ISP_CORE_VERSION_MAJOR 2 57 #define ISP_CORE_VERSION_MINOR 8 58 59 /* 60 * Vector for bus specific code to provide specific services. 61 */ 62 struct ispsoftc; 63 struct ispmdvec { 64 int (*dv_rd_isr) 65 (struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *); 66 u_int16_t (*dv_rd_reg) (struct ispsoftc *, int); 67 void (*dv_wr_reg) (struct ispsoftc *, int, u_int16_t); 68 int (*dv_mbxdma) (struct ispsoftc *); 69 int (*dv_dmaset) (struct ispsoftc *, 70 XS_T *, ispreq_t *, u_int16_t *, u_int16_t); 71 void (*dv_dmaclr) 72 (struct ispsoftc *, XS_T *, u_int16_t); 73 void (*dv_reset0) (struct ispsoftc *); 74 void (*dv_reset1) (struct ispsoftc *); 75 void (*dv_dregs) (struct ispsoftc *, const char *); 76 u_int16_t *dv_ispfw; /* ptr to f/w */ 77 u_int16_t dv_conf1; 78 u_int16_t dv_clock; /* clock frequency */ 79 }; 80 81 /* 82 * Overall parameters 83 */ 84 #define MAX_TARGETS 16 85 #define MAX_FC_TARG 256 86 #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS) 87 #define ISP_MAX_LUNS(isp) (isp)->isp_maxluns 88 89 /* 90 * 'Types' 91 */ 92 #ifdef ISP_DAC_SUPPORTED 93 typedef u_int64_t isp_dma_addr_t; 94 #else 95 typedef u_int32_t isp_dma_addr_t; 96 #endif 97 98 /* 99 * Macros to access ISP registers through bus specific layers- 100 * mostly wrappers to vector through the mdvec structure. 101 */ 102 #define ISP_READ_ISR(isp, isrp, semap, mbox0p) \ 103 (*(isp)->isp_mdvec->dv_rd_isr)(isp, isrp, semap, mbox0p) 104 105 #define ISP_READ(isp, reg) \ 106 (*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg)) 107 108 #define ISP_WRITE(isp, reg, val) \ 109 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val)) 110 111 #define ISP_MBOXDMASETUP(isp) \ 112 (*(isp)->isp_mdvec->dv_mbxdma)((isp)) 113 114 #define ISP_DMASETUP(isp, xs, req, iptrp, optr) \ 115 (*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req), (iptrp), (optr)) 116 117 #define ISP_DMAFREE(isp, xs, hndl) \ 118 if ((isp)->isp_mdvec->dv_dmaclr) \ 119 (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl)) 120 121 #define ISP_RESET0(isp) \ 122 if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp)) 123 #define ISP_RESET1(isp) \ 124 if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp)) 125 #define ISP_DUMPREGS(isp, m) \ 126 if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m)) 127 128 #define ISP_SETBITS(isp, reg, val) \ 129 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val)) 130 131 #define ISP_CLRBITS(isp, reg, val) \ 132 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val)) 133 134 /* 135 * The MEMORYBARRIER macro is defined per platform (to provide synchronization 136 * on Request and Response Queues, Scratch DMA areas, and Registers) 137 * 138 * Defined Memory Barrier Synchronization Types 139 */ 140 #define SYNC_REQUEST 0 /* request queue synchronization */ 141 #define SYNC_RESULT 1 /* result queue synchronization */ 142 #define SYNC_SFORDEV 2 /* scratch, sync for ISP */ 143 #define SYNC_SFORCPU 3 /* scratch, sync for CPU */ 144 #define SYNC_REG 4 /* for registers */ 145 146 /* 147 * Request/Response Queue defines and macros. 148 * The maximum is defined per platform (and can be based on board type). 149 */ 150 /* This is the size of a queue entry (request and response) */ 151 #define QENTRY_LEN 64 152 /* Both request and result queue length must be a power of two */ 153 #define RQUEST_QUEUE_LEN(x) MAXISPREQUEST(x) 154 #ifdef ISP_TARGET_MODE 155 #define RESULT_QUEUE_LEN(x) MAXISPREQUEST(x) 156 #else 157 #define RESULT_QUEUE_LEN(x) \ 158 (((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2) 159 #endif 160 #define ISP_QUEUE_ENTRY(q, idx) ((q) + ((idx) * QENTRY_LEN)) 161 #define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN) 162 #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1)) 163 #define ISP_QFREE(in, out, qlen) \ 164 ((in == out)? (qlen - 1) : ((in > out)? \ 165 ((qlen - 1) - (in - out)) : (out - in - 1))) 166 #define ISP_QAVAIL(isp) \ 167 ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp)) 168 169 #define ISP_ADD_REQUEST(isp, nxti) \ 170 MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN); \ 171 WRITE_REQUEST_QUEUE_IN_POINTER(isp, nxti); \ 172 isp->isp_reqidx = nxti 173 174 /* 175 * SCSI Specific Host Adapter Parameters- per bus, per target 176 */ 177 178 typedef struct { 179 u_int isp_gotdparms : 1, 180 isp_req_ack_active_neg : 1, 181 isp_data_line_active_neg: 1, 182 isp_cmd_dma_burst_enable: 1, 183 isp_data_dma_burst_enabl: 1, 184 isp_fifo_threshold : 3, 185 isp_ultramode : 1, 186 isp_diffmode : 1, 187 isp_lvdmode : 1, 188 isp_fast_mttr : 1, /* fast sram */ 189 isp_initiator_id : 4, 190 isp_async_data_setup : 4; 191 u_int16_t isp_selection_timeout; 192 u_int16_t isp_max_queue_depth; 193 u_int8_t isp_tag_aging; 194 u_int8_t isp_bus_reset_delay; 195 u_int8_t isp_retry_count; 196 u_int8_t isp_retry_delay; 197 struct { 198 u_int32_t 199 exc_throttle : 8, 200 : 1, 201 dev_enable : 1, /* ignored */ 202 dev_update : 1, 203 dev_refresh : 1, 204 actv_offset : 4, 205 goal_offset : 4, 206 nvrm_offset : 4; 207 u_int8_t actv_period; /* current sync period */ 208 u_int8_t goal_period; /* goal sync period */ 209 u_int8_t nvrm_period; /* nvram sync period */ 210 u_int16_t actv_flags; /* current device flags */ 211 u_int16_t goal_flags; /* goal device flags */ 212 u_int16_t nvrm_flags; /* nvram device flags */ 213 } isp_devparam[MAX_TARGETS]; 214 } sdparam; 215 216 /* 217 * Device Flags 218 */ 219 #define DPARM_DISC 0x8000 220 #define DPARM_PARITY 0x4000 221 #define DPARM_WIDE 0x2000 222 #define DPARM_SYNC 0x1000 223 #define DPARM_TQING 0x0800 224 #define DPARM_ARQ 0x0400 225 #define DPARM_QFRZ 0x0200 226 #define DPARM_RENEG 0x0100 227 #define DPARM_NARROW 0x0080 228 #define DPARM_ASYNC 0x0040 229 #define DPARM_PPR 0x0020 230 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ) 231 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING)) 232 233 234 /* technically, not really correct, as they need to be rated based upon clock */ 235 #define ISP_80M_SYNCPARMS 0x0c09 236 #define ISP_40M_SYNCPARMS 0x0c0a 237 #define ISP_20M_SYNCPARMS 0x0c0c 238 #define ISP_20M_SYNCPARMS_1040 0x080c 239 #define ISP_10M_SYNCPARMS 0x0c19 240 #define ISP_08M_SYNCPARMS 0x0c25 241 #define ISP_05M_SYNCPARMS 0x0c32 242 #define ISP_04M_SYNCPARMS 0x0c41 243 244 /* 245 * Fibre Channel Specifics 246 */ 247 #define FL_PORT_ID 0x7e /* FL_Port Special ID */ 248 #define FC_PORT_ID 0x7f /* Fabric Controller Special ID */ 249 #define FC_SNS_ID 0x80 /* SNS Server Special ID */ 250 251 /* #define ISP_USE_GA_NXT 1 */ /* Use GA_NXT with switches */ 252 #ifndef GA_NXT_MAX 253 #define GA_NXT_MAX 256 254 #endif 255 256 typedef struct { 257 u_int32_t isp_fwoptions : 16, 258 isp_gbspeed : 2, 259 isp_iid_set : 1, 260 loop_seen_once : 1, 261 isp_loopstate : 4, /* Current Loop State */ 262 isp_fwstate : 3, /* ISP F/W state */ 263 isp_gotdparms : 1, 264 isp_topo : 3, 265 isp_onfabric : 1; 266 u_int8_t isp_iid; /* 'initiator' id */ 267 u_int8_t isp_loopid; /* hard loop id */ 268 u_int8_t isp_alpa; /* ALPA */ 269 u_int32_t isp_portid; 270 volatile u_int16_t isp_lipseq; /* LIP sequence # */ 271 u_int16_t isp_fwattr; /* firmware attributes */ 272 u_int8_t isp_execthrottle; 273 u_int8_t isp_retry_delay; 274 u_int8_t isp_retry_count; 275 u_int8_t isp_reserved; 276 u_int16_t isp_maxalloc; 277 u_int16_t isp_maxfrmlen; 278 u_int64_t isp_nodewwn; 279 u_int64_t isp_portwwn; 280 /* 281 * Port Data Base. This is indexed by 'target', which is invariate. 282 * However, elements within can move around due to loop changes, 283 * so the actual loop ID passed to the F/W is in this structure. 284 * The first time the loop is seen up, loopid will match the index 285 * (except for fabric nodes which are above mapped above FC_SNS_ID 286 * and are completely virtual), but subsequent LIPs can cause things 287 * to move around. 288 */ 289 struct lportdb { 290 u_int32_t 291 port_type : 8, 292 loopid : 8, 293 fc4_type : 4, 294 last_fabric_dev : 1, 295 : 2, 296 relogin : 1, 297 force_logout : 1, 298 was_fabric_dev : 1, 299 fabric_dev : 1, 300 loggedin : 1, 301 roles : 2, 302 valid : 1; 303 u_int32_t portid; 304 u_int64_t node_wwn; 305 u_int64_t port_wwn; 306 } portdb[MAX_FC_TARG], tport[FC_PORT_ID]; 307 308 /* 309 * Scratch DMA mapped in area to fetch Port Database stuff, etc. 310 */ 311 caddr_t isp_scratch; 312 isp_dma_addr_t isp_scdma; 313 #ifdef ISP_FW_CRASH_DUMP 314 u_int16_t *isp_dump_data; 315 #endif 316 } fcparam; 317 318 #define FW_CONFIG_WAIT 0 319 #define FW_WAIT_AL_PA 1 320 #define FW_WAIT_LOGIN 2 321 #define FW_READY 3 322 #define FW_LOSS_OF_SYNC 4 323 #define FW_ERROR 5 324 #define FW_REINIT 6 325 #define FW_NON_PART 7 326 327 #define LOOP_NIL 0 328 #define LOOP_LIP_RCVD 1 329 #define LOOP_PDB_RCVD 2 330 #define LOOP_SCANNING_FABRIC 3 331 #define LOOP_FSCAN_DONE 4 332 #define LOOP_SCANNING_LOOP 5 333 #define LOOP_LSCAN_DONE 6 334 #define LOOP_SYNCING_PDB 7 335 #define LOOP_READY 8 336 337 #define TOPO_NL_PORT 0 338 #define TOPO_FL_PORT 1 339 #define TOPO_N_PORT 2 340 #define TOPO_F_PORT 3 341 #define TOPO_PTP_STUB 4 342 343 /* 344 * Soft Structure per host adapter 345 */ 346 typedef struct ispsoftc { 347 /* 348 * Platform (OS) specific data 349 */ 350 struct isposinfo isp_osinfo; 351 352 /* 353 * Pointer to bus specific functions and data 354 */ 355 struct ispmdvec * isp_mdvec; 356 357 /* 358 * (Mostly) nonvolatile state. Board specific parameters 359 * may contain some volatile state (e.g., current loop state). 360 */ 361 362 void * isp_param; /* type specific */ 363 u_int16_t isp_fwrev[3]; /* Loaded F/W revision */ 364 u_int16_t isp_romfw_rev[3]; /* PROM F/W revision */ 365 u_int16_t isp_maxcmds; /* max possible I/O cmds */ 366 u_int8_t isp_type; /* HBA Chip Type */ 367 u_int8_t isp_revision; /* HBA Chip H/W Revision */ 368 u_int32_t isp_maxluns; /* maximum luns supported */ 369 370 u_int32_t isp_clock : 8, /* input clock */ 371 : 4, 372 isp_port : 1, /* 23XX only */ 373 isp_failed : 1, /* board failed */ 374 isp_open : 1, /* opened (ioctl) */ 375 isp_touched : 1, /* board ever seen? */ 376 isp_bustype : 1, /* SBus or PCI */ 377 isp_loaded_fw : 1, /* loaded firmware */ 378 isp_role : 2, /* roles supported */ 379 isp_dblev : 12; /* debug log mask */ 380 381 u_int32_t isp_confopts; /* config options */ 382 383 u_int16_t isp_rqstinrp; /* register for REQINP */ 384 u_int16_t isp_rqstoutrp; /* register for REQOUTP */ 385 u_int16_t isp_respinrp; /* register for RESINP */ 386 u_int16_t isp_respoutrp; /* register for RESOUTP */ 387 388 /* 389 * Instrumentation 390 */ 391 u_int64_t isp_intcnt; /* total int count */ 392 u_int64_t isp_intbogus; /* spurious int count */ 393 u_int64_t isp_intmboxc; /* mbox completions */ 394 u_int64_t isp_intoasync; /* other async */ 395 u_int64_t isp_rsltccmplt; /* CMDs on result q */ 396 u_int64_t isp_fphccmplt; /* CMDs via fastpost */ 397 u_int16_t isp_rscchiwater; 398 u_int16_t isp_fpcchiwater; 399 400 /* 401 * Volatile state 402 */ 403 404 volatile u_int32_t 405 isp_obits : 8, /* mailbox command output */ 406 isp_mboxbsy : 1, /* mailbox command active */ 407 isp_state : 3, 408 isp_sendmarker : 2, /* send a marker entry */ 409 isp_update : 2, /* update parameters */ 410 isp_nactive : 16; /* how many commands active */ 411 volatile u_int16_t isp_reqodx; /* index of last ISP pickup */ 412 volatile u_int16_t isp_reqidx; /* index of next request */ 413 volatile u_int16_t isp_residx; /* index of next result */ 414 volatile u_int16_t isp_resodx; /* index of next result */ 415 volatile u_int16_t isp_rspbsy; 416 volatile u_int16_t isp_lasthdls; /* last handle seed */ 417 volatile u_int16_t isp_mboxtmp[MAX_MAILBOX]; 418 volatile u_int16_t isp_lastmbxcmd; /* last mbox command sent */ 419 volatile u_int16_t isp_mbxwrk0; 420 volatile u_int16_t isp_mbxwrk1; 421 volatile u_int16_t isp_mbxwrk2; 422 void * isp_mbxworkp; 423 424 /* 425 * Active commands are stored here, indexed by handle functions. 426 */ 427 XS_T **isp_xflist; 428 429 #ifdef ISP_TARGET_MODE 430 /* 431 * Active target commands are stored here, indexed by handle function. 432 */ 433 void **isp_tgtlist; 434 #endif 435 436 /* 437 * request/result queue pointers and DMA handles for them. 438 */ 439 caddr_t isp_rquest; 440 caddr_t isp_result; 441 isp_dma_addr_t isp_rquest_dma; 442 isp_dma_addr_t isp_result_dma; 443 } ispsoftc_t; 444 445 #define SDPARAM(isp) ((sdparam *) (isp)->isp_param) 446 #define FCPARAM(isp) ((fcparam *) (isp)->isp_param) 447 448 /* 449 * ISP Driver Run States 450 */ 451 #define ISP_NILSTATE 0 452 #define ISP_RESETSTATE 1 453 #define ISP_INITSTATE 2 454 #define ISP_RUNSTATE 3 455 456 /* 457 * ISP Configuration Options 458 */ 459 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ 460 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ 461 #define ISP_CFG_TWOGB 0x20 /* force 2GB connection (23XX only) */ 462 #define ISP_CFG_ONEGB 0x10 /* force 1GB connection (23XX only) */ 463 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ 464 #define ISP_CFG_PORT_PREF 0x0C /* Mask for Port Prefs (2200 only) */ 465 #define ISP_CFG_LPORT 0x00 /* prefer {N/F}L-Port connection */ 466 #define ISP_CFG_NPORT 0x04 /* prefer {N/F}-Port connection */ 467 #define ISP_CFG_NPORT_ONLY 0x08 /* insist on {N/F}-Port connection */ 468 #define ISP_CFG_LPORT_ONLY 0x0C /* insist on {N/F}L-Port connection */ 469 #define ISP_CFG_OWNWWPN 0x100 /* override NVRAM wwpn */ 470 #define ISP_CFG_OWNWWNN 0x200 /* override NVRAM wwnn */ 471 #define ISP_CFG_OWNFSZ 0x400 /* override NVRAM frame size */ 472 #define ISP_CFG_OWNLOOPID 0x800 /* override NVRAM loopid */ 473 #define ISP_CFG_OWNEXCTHROTTLE 0x1000 /* override NVRAM execution throttle */ 474 475 /* 476 * Prior to calling isp_reset for the first time, the outer layer 477 * should set isp_role to one of NONE, INITIATOR, TARGET, BOTH. 478 * 479 * If you set ISP_ROLE_NONE, the cards will be reset, new firmware loaded, 480 * NVRAM read, and defaults set, but any further initialization (e.g. 481 * INITIALIZE CONTROL BLOCK commands for 2X00 cards) won't be done. 482 * 483 * If INITIATOR MODE isn't set, attempts to run commands will be stopped 484 * at isp_start and completed with the moral equivalent of SELECTION TIMEOUT. 485 * 486 * If TARGET MODE is set, it doesn't mean that the rest of target mode support 487 * needs to be enabled, or will even work. What happens with the 2X00 cards 488 * here is that if you have enabled it with TARGET MODE as part of the ICB 489 * options, but you haven't given the f/w any ram resources for ATIOs or 490 * Immediate Notifies, the f/w just handles what it can and you never see 491 * anything. Basically, it sends a single byte of data (the first byte, 492 * which you can set as part of the INITIALIZE CONTROL BLOCK command) for 493 * INQUIRY, and sends back QUEUE FULL status for any other command. 494 * 495 */ 496 #define ISP_ROLE_NONE 0x0 497 #define ISP_ROLE_TARGET 0x1 498 #define ISP_ROLE_INITIATOR 0x2 499 #define ISP_ROLE_BOTH (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR) 500 #define ISP_ROLE_EITHER ISP_ROLE_BOTH 501 #ifndef ISP_DEFAULT_ROLES 502 #define ISP_DEFAULT_ROLES ISP_ROLE_INITIATOR 503 #endif 504 505 506 /* 507 * Firmware related defines 508 */ 509 #define ISP_CODE_ORG 0x1000 /* default f/w code start */ 510 #define ISP_CODE_ORG_2300 0x0800 /* ..except for 2300s */ 511 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 512 #define ISP_FW_MAJOR(code) ((code >> 24) & 0xff) 513 #define ISP_FW_MINOR(code) ((code >> 16) & 0xff) 514 #define ISP_FW_MICRO(code) ((code >> 8) & 0xff) 515 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 516 #define ISP_FW_MAJORX(xp) (xp[0]) 517 #define ISP_FW_MINORX(xp) (xp[1]) 518 #define ISP_FW_MICROX(xp) (xp[2]) 519 #define ISP_FW_NEWER_THAN(i, major, minor, micro) \ 520 (ISP_FW_REVX((i)->isp_fwrev) > ISP_FW_REV(major, minor, micro)) 521 522 /* 523 * Bus (implementation) types 524 */ 525 #define ISP_BT_PCI 0 /* PCI Implementations */ 526 #define ISP_BT_SBUS 1 /* SBus Implementations */ 527 528 /* 529 * If we have not otherwise defined SBus support away make sure 530 * it is defined here such that the code is included as default 531 */ 532 #ifndef ISP_SBUS_SUPPORTED 533 #define ISP_SBUS_SUPPORTED 1 534 #endif 535 536 /* 537 * Chip Types 538 */ 539 #define ISP_HA_SCSI 0xf 540 #define ISP_HA_SCSI_UNKNOWN 0x1 541 #define ISP_HA_SCSI_1020 0x2 542 #define ISP_HA_SCSI_1020A 0x3 543 #define ISP_HA_SCSI_1040 0x4 544 #define ISP_HA_SCSI_1040A 0x5 545 #define ISP_HA_SCSI_1040B 0x6 546 #define ISP_HA_SCSI_1040C 0x7 547 #define ISP_HA_SCSI_1240 0x8 548 #define ISP_HA_SCSI_1080 0x9 549 #define ISP_HA_SCSI_1280 0xa 550 #define ISP_HA_SCSI_10160 0xb 551 #define ISP_HA_SCSI_12160 0xc 552 #define ISP_HA_FC 0xf0 553 #define ISP_HA_FC_2100 0x10 554 #define ISP_HA_FC_2200 0x20 555 #define ISP_HA_FC_2300 0x30 556 #define ISP_HA_FC_2312 0x40 557 558 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 559 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 560 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 561 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 562 #define IS_10160(isp) (isp->isp_type == ISP_HA_SCSI_10160) 563 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160) 564 565 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp)) 566 #define IS_1X160(isp) (IS_10160(isp) || IS_12160(isp)) 567 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp)) 568 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_1X160(isp)) 569 #define IS_ULTRA3(isp) (IS_1X160(isp)) 570 571 #define IS_FC(isp) ((isp)->isp_type & ISP_HA_FC) 572 #define IS_2100(isp) ((isp)->isp_type == ISP_HA_FC_2100) 573 #define IS_2200(isp) ((isp)->isp_type == ISP_HA_FC_2200) 574 #define IS_23XX(isp) ((isp)->isp_type >= ISP_HA_FC_2300) 575 #define IS_2300(isp) ((isp)->isp_type == ISP_HA_FC_2300) 576 #define IS_2312(isp) ((isp)->isp_type == ISP_HA_FC_2312) 577 578 /* 579 * DMA cookie macros 580 */ 581 #ifdef ISP_DAC_SUPPORTRED 582 #define DMA_WD3(x) (((x) >> 48) & 0xffff) 583 #define DMA_WD2(x) (((x) >> 32) & 0xffff) 584 #else 585 #define DMA_WD3(x) 0 586 #define DMA_WD2(x) 0 587 #endif 588 #define DMA_WD1(x) (((x) >> 16) & 0xffff) 589 #define DMA_WD0(x) (((x) & 0xffff)) 590 591 /* 592 * Core System Function Prototypes 593 */ 594 595 /* 596 * Reset Hardware. Totally. Assumes that you'll follow this with 597 * a call to isp_init. 598 */ 599 void isp_reset(struct ispsoftc *); 600 601 /* 602 * Initialize Hardware to known state 603 */ 604 void isp_init(struct ispsoftc *); 605 606 /* 607 * Reset the ISP and call completion for any orphaned commands. 608 */ 609 void isp_reinit(struct ispsoftc *); 610 611 #ifdef ISP_FW_CRASH_DUMP 612 /* 613 * Dump firmware entry point. 614 */ 615 void isp_fw_dump(struct ispsoftc *isp); 616 #endif 617 618 /* 619 * Internal Interrupt Service Routine 620 * 621 * The outer layers do the spade work to get the appropriate status register, 622 * semaphore register and first mailbox register (if appropriate). This also 623 * means that most spurious/bogus interrupts not for us can be filtered first. 624 */ 625 void isp_intr(struct ispsoftc *, u_int16_t, u_int16_t, u_int16_t); 626 627 628 /* 629 * Command Entry Point- Platform Dependent layers call into this 630 */ 631 int isp_start(XS_T *); 632 /* these values are what isp_start returns */ 633 #define CMD_COMPLETE 101 /* command completed */ 634 #define CMD_EAGAIN 102 /* busy- maybe retry later */ 635 #define CMD_QUEUED 103 /* command has been queued for execution */ 636 #define CMD_RQLATER 104 /* requeue this command later */ 637 638 /* 639 * Command Completion Point- Core layers call out from this with completed cmds 640 */ 641 void isp_done(XS_T *); 642 643 /* 644 * Platform Dependent to External to Internal Control Function 645 * 646 * Assumes locks are held on entry. You should note that with many of 647 * these commands and locks may be released while this is occurring. 648 * 649 * A few notes about some of these functions: 650 * 651 * ISPCTL_FCLINK_TEST tests to make sure we have good fibre channel link. 652 * The argument is a pointer to an integer which is the time, in microseconds, 653 * we should wait to see whether we have good link. This test, if successful, 654 * lets us know our connection topology and our Loop ID/AL_PA and so on. 655 * You can't get anywhere without this. 656 * 657 * ISPCTL_SCAN_FABRIC queries the name server (if we're on a fabric) for 658 * all entities using the FC Generic Services subcommand GET ALL NEXT. 659 * For each found entity, an ISPASYNC_FABRICDEV event is generated (see 660 * below). 661 * 662 * ISPCTL_SCAN_LOOP does a local loop scan. This is only done if the connection 663 * topology is NL or FL port (private or public loop). Since the Qlogic f/w 664 * 'automatically' manages local loop connections, this function essentially 665 * notes the arrival, departure, and possible shuffling around of local loop 666 * entities. Thus for each arrival and departure this generates an isp_async 667 * event of ISPASYNC_PROMENADE (see below). 668 * 669 * ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in 670 * order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_FABRIC, and ISPCTL_SCAN_LOOP. 671 * The main purpose of ISPCTL_PDB_SYNC is to complete management of logging 672 * and logging out of fabric devices (if one is on a fabric) and then marking 673 * the 'loop state' as being ready to now be used for sending commands to 674 * devices. Originally fabric name server and local loop scanning were 675 * part of this function. It's now been separated to allow for finer control. 676 */ 677 typedef enum { 678 ISPCTL_RESET_BUS, /* Reset Bus */ 679 ISPCTL_RESET_DEV, /* Reset Device */ 680 ISPCTL_ABORT_CMD, /* Abort Command */ 681 ISPCTL_UPDATE_PARAMS, /* Update Operating Parameters (SCSI) */ 682 ISPCTL_FCLINK_TEST, /* Test FC Link Status */ 683 ISPCTL_SCAN_FABRIC, /* (Re)scan Fabric Name Server */ 684 ISPCTL_SCAN_LOOP, /* (Re)scan Local Loop */ 685 ISPCTL_PDB_SYNC, /* Synchronize Port Database */ 686 ISPCTL_SEND_LIP, /* Send a LIP */ 687 ISPCTL_GET_POSMAP, /* Get FC-AL position map */ 688 ISPCTL_RUN_MBOXCMD, /* run a mailbox command */ 689 ISPCTL_TOGGLE_TMODE, /* toggle target mode */ 690 ISPCTL_GET_PDB /* get a single port database entry */ 691 } ispctl_t; 692 int isp_control(struct ispsoftc *, ispctl_t, void *); 693 694 695 /* 696 * Platform Dependent to Internal to External Control Function 697 * (each platform must provide such a function) 698 * 699 * Assumes locks are held. 700 * 701 * A few notes about some of these functions: 702 * 703 * ISPASYNC_CHANGE_NOTIFY notifies the outer layer that a change has 704 * occurred that invalidates the list of fabric devices known and/or 705 * the list of known loop devices. The argument passed is a pointer 706 * whose values are defined below (local loop change, name server 707 * change, other). 'Other' may simply be a LIP, or a change in 708 * connection topology. 709 * 710 * ISPASYNC_FABRIC_DEV announces the next element in a list of 711 * fabric device names we're getting out of the name server. The 712 * argument points to a GET ALL NEXT response structure. The list 713 * is known to terminate with an entry that refers to ourselves. 714 * One of the main purposes of this function is to allow outer 715 * layers, which are OS dependent, to set policy as to which fabric 716 * devices might actually be logged into (and made visible) later 717 * at ISPCTL_PDB_SYNC time. Since there's a finite number of fabric 718 * devices that we can log into (256 less 3 'reserved' for F-port 719 * topologies), and fabrics can grow up to 8 million or so entries 720 * (24 bits of Port Address, less a wad of reserved spaces), clearly 721 * we had better let the OS determine login policy. 722 * 723 * ISPASYNC_PROMENADE has an argument that is a pointer to an integer which 724 * is an index into the portdb in the softc ('target'). Whether that entry's 725 * valid tag is set or not says whether something has arrived or departed. 726 * The name refers to a favorite pastime of many city dwellers- watching 727 * people come and go, talking of Michaelangelo, and so on.. 728 * 729 * ISPASYNC_UNHANDLED_RESPONSE gives outer layers a chance to parse a 730 * response queue entry not otherwise handled. The outer layer should 731 * return non-zero if it handled it. The 'arg' points to an unmassaged 732 * response queue entry. 733 */ 734 735 typedef enum { 736 ISPASYNC_NEW_TGT_PARAMS, /* New Target Parameters Negotiated */ 737 ISPASYNC_BUS_RESET, /* Bus Was Reset */ 738 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 739 ISPASYNC_LOOP_UP, /* FC Loop Up */ 740 ISPASYNC_LIP, /* LIP Received */ 741 ISPASYNC_LOOP_RESET, /* Loop Reset Received */ 742 ISPASYNC_CHANGE_NOTIFY, /* FC Change Notification */ 743 ISPASYNC_FABRIC_DEV, /* FC Fabric Device Arrival */ 744 ISPASYNC_PROMENADE, /* FC Objects coming && going */ 745 ISPASYNC_TARGET_MESSAGE, /* target message */ 746 ISPASYNC_TARGET_EVENT, /* target asynchronous event */ 747 ISPASYNC_TARGET_ACTION, /* other target command action */ 748 ISPASYNC_CONF_CHANGE, /* Platform Configuration Change */ 749 ISPASYNC_UNHANDLED_RESPONSE, /* Unhandled Response Entry */ 750 ISPASYNC_FW_CRASH, /* Firmware has crashed */ 751 ISPASYNC_FW_DUMPED, /* Firmware crashdump taken */ 752 ISPASYNC_FW_RESTARTED /* Firmware has been restarted */ 753 } ispasync_t; 754 int isp_async(struct ispsoftc *, ispasync_t, void *); 755 756 #define ISPASYNC_CHANGE_PDB ((void *) 0) 757 #define ISPASYNC_CHANGE_SNS ((void *) 1) 758 #define ISPASYNC_CHANGE_OTHER ((void *) 2) 759 760 /* 761 * Platform Dependent Error and Debug Printout 762 */ 763 #if defined(__GNUC__) || defined(__INTEL_COMPILER) 764 void isp_prt(struct ispsoftc *, int level, const char *, ...) 765 __attribute__((__format__(__printf__,3,4))); 766 #else 767 void isp_prt(struct ispsoftc *, int level, const char *, ...); 768 #endif 769 770 #define ISP_LOGALL 0x0 /* log always */ 771 #define ISP_LOGCONFIG 0x1 /* log configuration messages */ 772 #define ISP_LOGINFO 0x2 /* log informational messages */ 773 #define ISP_LOGWARN 0x4 /* log warning messages */ 774 #define ISP_LOGERR 0x8 /* log error messages */ 775 #define ISP_LOGDEBUG0 0x10 /* log simple debug messages */ 776 #define ISP_LOGDEBUG1 0x20 /* log intermediate debug messages */ 777 #define ISP_LOGDEBUG2 0x40 /* log most debug messages */ 778 #define ISP_LOGDEBUG3 0x80 /* log high frequency debug messages */ 779 #define ISP_LOGDEBUG4 0x100 /* log high frequency debug messages */ 780 #define ISP_LOGTDEBUG0 0x200 /* log simple debug messages (target mode) */ 781 #define ISP_LOGTDEBUG1 0x400 /* log intermediate debug messages (target) */ 782 #define ISP_LOGTDEBUG2 0x800 /* log all debug messages (target) */ 783 784 /* 785 * Each Platform provides it's own isposinfo substructure of the ispsoftc 786 * defined above. 787 * 788 * Each platform must also provide the following macros/defines: 789 * 790 * 791 * INLINE - platform specific define for 'inline' functions 792 * 793 * ISP_DAC_SUPPORTED - Is DAC (Dual Address Cycle) is supported? 794 * Basically means whether or not DMA for PCI 795 * PCI cards (Ultra2 or better or FC) works 796 * above 4GB. 797 * 798 * ISP2100_SCRLEN - length for the Fibre Channel scratch DMA area 799 * 800 * MEMZERO(dst, src) platform zeroing function 801 * MEMCPY(dst, src, count) platform copying function 802 * SNPRINTF(buf, bufsize, fmt, ...) snprintf 803 * USEC_DELAY(usecs) microsecond spindelay function 804 * USEC_SLEEP(isp, usecs) microsecond sleep function 805 * 806 * NANOTIME_T nanosecond time type 807 * 808 * GET_NANOTIME(NANOTIME_T *) get current nanotime. 809 * 810 * GET_NANOSEC(NANOTIME_T *) get u_int64_t from NANOTIME_T 811 * 812 * NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *) 813 * subtract two NANOTIME_T values 814 * 815 * 816 * MAXISPREQUEST(struct ispsoftc *) maximum request queue size 817 * for this particular board type 818 * 819 * MEMORYBARRIER(struct ispsoftc *, barrier_type, offset, size) 820 * 821 * Function/Macro the provides memory synchronization on 822 * various objects so that the ISP's and the system's view 823 * of the same object is consistent. 824 * 825 * MBOX_ACQUIRE(struct ispsoftc *) acquire lock on mailbox regs 826 * MBOX_WAIT_COMPLETE(struct ispsoftc *) wait for mailbox cmd to be done 827 * MBOX_NOTIFY_COMPLETE(struct ispsoftc *) notification of mbox cmd donee 828 * MBOX_RELEASE(struct ispsoftc *) release lock on mailbox regs 829 * 830 * FC_SCRATCH_ACQUIRE(struct ispsoftc *) acquire lock on FC scratch area 831 * FC_SCRATCH_RELEASE(struct ispsoftc *) acquire lock on FC scratch area 832 * 833 * SCSI_GOOD SCSI 'Good' Status 834 * SCSI_CHECK SCSI 'Check Condition' Status 835 * SCSI_BUSY SCSI 'Busy' Status 836 * SCSI_QFULL SCSI 'Queue Full' Status 837 * 838 * XS_T Platform SCSI transaction type (i.e., command for HBA) 839 * XS_ISP(xs) gets an instance out of an XS_T 840 * XS_CHANNEL(xs) gets the channel (bus # for DUALBUS cards) "" 841 * XS_TGT(xs) gets the target "" 842 * XS_LUN(xs) gets the lun "" 843 * XS_CDBP(xs) gets a pointer to the scsi CDB "" 844 * XS_CDBLEN(xs) gets the CDB's length "" 845 * XS_XFRLEN(xs) gets the associated data transfer length "" 846 * XS_TIME(xs) gets the time (in milliseconds) for this command 847 * XS_RESID(xs) gets the current residual count 848 * XS_STSP(xs) gets a pointer to the SCSI status byte "" 849 * XS_SNSP(xs) gets a pointer to the associate sense data 850 * XS_SNSLEN(xs) gets the length of sense data storage 851 * XS_SNSKEY(xs) dereferences XS_SNSP to get the current stored Sense Key 852 * XS_TAG_P(xs) predicate of whether this command should be tagged 853 * XS_TAG_TYPE(xs) which type of tag to use 854 * XS_SETERR(xs) set error state 855 * 856 * HBA_NOERROR command has no erros 857 * HBA_BOTCH hba botched something 858 * HBA_CMDTIMEOUT command timed out 859 * HBA_SELTIMEOUT selection timed out (also port logouts for FC) 860 * HBA_TGTBSY target returned a BUSY status 861 * HBA_BUSRESET bus reset destroyed command 862 * HBA_ABORTED command was aborted (by request) 863 * HBA_DATAOVR a data overrun was detected 864 * HBA_ARQFAIL Automatic Request Sense failed 865 * 866 * XS_ERR(xs) return current error state 867 * XS_NOERR(xs) there is no error currently set 868 * XS_INITERR(xs) initialize error state 869 * 870 * XS_SAVE_SENSE(xs, sp) save sense data 871 * 872 * XS_SET_STATE_STAT(isp, sp, xs) platform dependent interpreter of 873 * response queue entry status bits 874 * 875 * 876 * DEFAULT_IID(struct ispsoftc *) Default SCSI initiator ID 877 * DEFAULT_LOOPID(struct ispsoftc *) Default FC Loop ID 878 * DEFAULT_NODEWWN(struct ispsoftc *) Default Node WWN 879 * DEFAULT_PORTWWN(struct ispsoftc *) Default Port WWN 880 * DEFAULT_FRAMESIZE(struct ispsoftc *) Default Frame Size 881 * DEFAULT_EXEC_THROTTLE(struct ispsoftc *) Default Execution Throttle 882 * These establish reasonable defaults for each platform. 883 * These must be available independent of card NVRAM and are 884 * to be used should NVRAM not be readable. 885 * 886 * ISP_NODEWWN(struct ispsoftc *) FC Node WWN to use 887 * ISP_PORTWWN(struct ispsoftc *) FC Port WWN to use 888 * 889 * These are to be used after NVRAM is read. The tags 890 * in fcparam.isp_{node,port}wwn reflect the values 891 * read from NVRAM (possibly corrected for card botches). 892 * Each platform can take that information and override 893 * it or ignore and return the Node and Port WWNs to be 894 * used when sending the Qlogic f/w the Initialization Control 895 * Block. 896 * 897 * (XXX these do endian specific transformations- in transition XXX) 898 * 899 * ISP_IOXPUT_8(struct ispsoftc *, u_int8_t srcval, u_int8_t *dstptr) 900 * ISP_IOXPUT_16(struct ispsoftc *, u_int16_t srcval, u_int16_t *dstptr) 901 * ISP_IOXPUT_32(struct ispsoftc *, u_int32_t srcval, u_int32_t *dstptr) 902 * 903 * ISP_IOXGET_8(struct ispsoftc *, u_int8_t *srcptr, u_int8_t dstrval) 904 * ISP_IOXGET_16(struct ispsoftc *, u_int16_t *srcptr, u_int16_t dstrval) 905 * ISP_IOXGET_32(struct ispsoftc *, u_int32_t *srcptr, u_int32_t dstrval) 906 * 907 * ISP_SWIZZLE_NVRAM_WORD(struct ispsoftc *, u_int16_t *) 908 */ 909 910 #endif /* _ISPVAR_H */ 911