1 /* $NetBSD: ispvar.h,v 1.71 2010/03/26 20:52:01 mjacob Exp $ */ 2 /* 3 * Copyright (C) 1999 National Aeronautics & Space Administration 4 * All rights reserved. 5 * 6 * Additional Copyright (C) 2000-2007 by Matthew Jacob 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, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /* 32 * Additional Copyright (c) 1997-2006 by Matthew Jacob 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions, and the following disclaimer, 41 * without modification, immediately at the beginning of the file. 42 * 2. The name of the author may not be used to endorse or promote products 43 * derived from this software without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 49 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 */ 57 /* 58 * Soft Definitions for for Qlogic ISP SCSI adapters. 59 */ 60 61 #ifndef _ISPVAR_H 62 #define _ISPVAR_H 63 64 #if defined(__NetBSD__) || defined(__OpenBSD__) 65 #include <dev/ic/isp_stds.h> 66 #include <dev/ic/ispmbox.h> 67 #endif 68 #ifdef __FreeBSD__ 69 #include <dev/isp/isp_stds.h> 70 #include <dev/isp/ispmbox.h> 71 #endif 72 #ifdef __linux__ 73 #include "isp_stds.h" 74 #include "ispmbox.h" 75 #endif 76 #ifdef __svr4__ 77 #include "isp_stds.h" 78 #include "ispmbox.h" 79 #endif 80 81 #define ISP_CORE_VERSION_MAJOR 7 82 #define ISP_CORE_VERSION_MINOR 0 83 84 /* 85 * Vector for bus specific code to provide specific services. 86 */ 87 typedef struct ispsoftc ispsoftc_t; 88 struct ispmdvec { 89 int (*dv_rd_isr) (ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *); 90 uint32_t (*dv_rd_reg) (ispsoftc_t *, int); 91 void (*dv_wr_reg) (ispsoftc_t *, int, uint32_t); 92 int (*dv_mbxdma) (ispsoftc_t *); 93 int (*dv_dmaset) (ispsoftc_t *, XS_T *, void *); 94 void (*dv_dmaclr) (ispsoftc_t *, XS_T *, uint32_t); 95 void (*dv_reset0) (ispsoftc_t *); 96 void (*dv_reset1) (ispsoftc_t *); 97 void (*dv_dregs) (ispsoftc_t *, const char *); 98 const void * dv_ispfw; /* ptr to f/w */ 99 uint16_t dv_conf1; 100 uint16_t dv_clock; /* clock frequency */ 101 }; 102 103 /* 104 * Overall parameters 105 */ 106 #define MAX_TARGETS 16 107 #ifndef MAX_FC_TARG 108 #define MAX_FC_TARG 512 109 #endif 110 #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS) 111 #define ISP_MAX_LUNS(isp) (isp)->isp_maxluns 112 113 /* 114 * Macros to access ISP registers through bus specific layers- 115 * mostly wrappers to vector through the mdvec structure. 116 */ 117 #define ISP_READ_ISR(isp, isrp, semap, mbox0p) \ 118 (*(isp)->isp_mdvec->dv_rd_isr)(isp, isrp, semap, mbox0p) 119 120 #define ISP_READ(isp, reg) \ 121 (*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg)) 122 123 #define ISP_WRITE(isp, reg, val) \ 124 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val)) 125 126 #define ISP_MBOXDMASETUP(isp) \ 127 (*(isp)->isp_mdvec->dv_mbxdma)((isp)) 128 129 #define ISP_DMASETUP(isp, xs, req) \ 130 (*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req)) 131 132 #define ISP_DMAFREE(isp, xs, hndl) \ 133 if ((isp)->isp_mdvec->dv_dmaclr) \ 134 (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl)) 135 136 #define ISP_RESET0(isp) \ 137 if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp)) 138 #define ISP_RESET1(isp) \ 139 if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp)) 140 #define ISP_DUMPREGS(isp, m) \ 141 if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m)) 142 143 #define ISP_SETBITS(isp, reg, val) \ 144 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val)) 145 146 #define ISP_CLRBITS(isp, reg, val) \ 147 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val)) 148 149 /* 150 * The MEMORYBARRIER macro is defined per platform (to provide synchronization 151 * on Request and Response Queues, Scratch DMA areas, and Registers) 152 * 153 * Defined Memory Barrier Synchronization Types 154 */ 155 #define SYNC_REQUEST 0 /* request queue synchronization */ 156 #define SYNC_RESULT 1 /* result queue synchronization */ 157 #define SYNC_SFORDEV 2 /* scratch, sync for ISP */ 158 #define SYNC_SFORCPU 3 /* scratch, sync for CPU */ 159 #define SYNC_REG 4 /* for registers */ 160 #define SYNC_ATIOQ 5 /* atio result queue (24xx) */ 161 162 /* 163 * Request/Response Queue defines and macros. 164 * The maximum is defined per platform (and can be based on board type). 165 */ 166 /* This is the size of a queue entry (request and response) */ 167 #define QENTRY_LEN 64 168 /* Both request and result queue length must be a power of two */ 169 #define RQUEST_QUEUE_LEN(x) MAXISPREQUEST(x) 170 #ifdef ISP_TARGET_MODE 171 #define RESULT_QUEUE_LEN(x) MAXISPREQUEST(x) 172 #else 173 #define RESULT_QUEUE_LEN(x) \ 174 (((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2) 175 #endif 176 #define ISP_QUEUE_ENTRY(q, idx) (((uint8_t *)q) + ((idx) * QENTRY_LEN)) 177 #define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN) 178 #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1)) 179 #define ISP_QFREE(in, out, qlen) \ 180 ((in == out)? (qlen - 1) : ((in > out)? \ 181 ((qlen - 1) - (in - out)) : (out - in - 1))) 182 #define ISP_QAVAIL(isp) \ 183 ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp)) 184 185 #define ISP_ADD_REQUEST(isp, nxti) \ 186 MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN); \ 187 ISP_WRITE(isp, isp->isp_rqstinrp, nxti); \ 188 isp->isp_reqidx = nxti 189 190 #define ISP_SYNC_REQUEST(isp) \ 191 MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN); \ 192 isp->isp_reqidx = ISP_NXT_QENTRY(isp->isp_reqidx, RQUEST_QUEUE_LEN(isp)); \ 193 ISP_WRITE(isp, isp->isp_rqstinrp, isp->isp_reqidx) 194 195 /* 196 * SCSI Specific Host Adapter Parameters- per bus, per target 197 */ 198 typedef struct { 199 uint32_t : 8, 200 update : 1, 201 sendmarker : 1, 202 role : 2, 203 isp_req_ack_active_neg : 1, 204 isp_data_line_active_neg: 1, 205 isp_cmd_dma_burst_enable: 1, 206 isp_data_dma_burst_enabl: 1, 207 isp_fifo_threshold : 3, 208 isp_ptisp : 1, 209 isp_ultramode : 1, 210 isp_diffmode : 1, 211 isp_lvdmode : 1, 212 isp_fast_mttr : 1, /* fast sram */ 213 isp_initiator_id : 4, 214 isp_async_data_setup : 4; 215 uint16_t isp_selection_timeout; 216 uint16_t isp_max_queue_depth; 217 uint8_t isp_tag_aging; 218 uint8_t isp_bus_reset_delay; 219 uint8_t isp_retry_count; 220 uint8_t isp_retry_delay; 221 struct { 222 uint32_t 223 exc_throttle : 8, 224 : 1, 225 dev_enable : 1, /* ignored */ 226 dev_update : 1, 227 dev_refresh : 1, 228 actv_offset : 4, 229 goal_offset : 4, 230 nvrm_offset : 4; 231 uint8_t actv_period; /* current sync period */ 232 uint8_t goal_period; /* goal sync period */ 233 uint8_t nvrm_period; /* nvram sync period */ 234 uint16_t actv_flags; /* current device flags */ 235 uint16_t goal_flags; /* goal device flags */ 236 uint16_t nvrm_flags; /* nvram device flags */ 237 } isp_devparam[MAX_TARGETS]; 238 } sdparam; 239 240 /* 241 * Device Flags 242 */ 243 #define DPARM_DISC 0x8000 244 #define DPARM_PARITY 0x4000 245 #define DPARM_WIDE 0x2000 246 #define DPARM_SYNC 0x1000 247 #define DPARM_TQING 0x0800 248 #define DPARM_ARQ 0x0400 249 #define DPARM_QFRZ 0x0200 250 #define DPARM_RENEG 0x0100 251 #define DPARM_NARROW 0x0080 252 #define DPARM_ASYNC 0x0040 253 #define DPARM_PPR 0x0020 254 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ) 255 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING)) 256 257 /* technically, not really correct, as they need to be rated based upon clock */ 258 #define ISP_80M_SYNCPARMS 0x0c09 259 #define ISP_40M_SYNCPARMS 0x0c0a 260 #define ISP_20M_SYNCPARMS 0x0c0c 261 #define ISP_20M_SYNCPARMS_1040 0x080c 262 #define ISP_10M_SYNCPARMS 0x0c19 263 #define ISP_08M_SYNCPARMS 0x0c25 264 #define ISP_05M_SYNCPARMS 0x0c32 265 #define ISP_04M_SYNCPARMS 0x0c41 266 267 /* 268 * Fibre Channel Specifics 269 */ 270 /* These are for non-2K Login Firmware cards */ 271 #define FL_ID 0x7e /* FL_Port Special ID */ 272 #define SNS_ID 0x80 /* SNS Server Special ID */ 273 #define NPH_MAX 0xfe 274 275 /* Use this handle for the base for multi-id firmware SNS logins */ 276 #define NPH_SNS_HDLBASE 0x400 277 278 /* These are for 2K Login Firmware cards */ 279 #define NPH_RESERVED 0x7F0 /* begin of reserved N-port handles */ 280 #define NPH_MGT_ID 0x7FA /* Management Server Special ID */ 281 #define NPH_SNS_ID 0x7FC /* SNS Server Special ID */ 282 #define NPH_FABRIC_CTLR 0x7FD /* Fabric Controller (0xFFFFFD) */ 283 #define NPH_FL_ID 0x7FE /* F Port Special ID (0xFFFFFE) */ 284 #define NPH_IP_BCST 0x7ff /* IP Broadcast Special ID (0xFFFFFF) */ 285 #define NPH_MAX_2K 0x800 286 287 /* 288 * "Unassigned" handle to be used internally 289 */ 290 #define NIL_HANDLE 0xffff 291 292 /* 293 * Limit for devices on an arbitrated loop. 294 */ 295 #define LOCAL_LOOP_LIM 126 296 297 /* 298 * Limit for (2K login) N-port handle amounts 299 */ 300 #define MAX_NPORT_HANDLE 2048 301 302 /* 303 * Special Constants 304 */ 305 #define INI_NONE ((uint64_t) 0) 306 #define ISP_NOCHAN 0xff 307 308 /* 309 * Special Port IDs 310 */ 311 #define MANAGEMENT_PORT_ID 0xFFFFFA 312 #define SNS_PORT_ID 0xFFFFFC 313 #define FABRIC_PORT_ID 0xFFFFFE 314 #define PORT_ANY 0xFFFFFF 315 #define PORT_NONE 0 316 #define DOMAIN_CONTROLLER_BASE 0xFFFC00 317 #define DOMAIN_CONTROLLER_END 0xFFFCFF 318 319 /* 320 * Command Handles 321 * 322 * Most QLogic initiator or target have 32 bit handles associated with them. 323 * We want to have a quick way to index back and forth between a local SCSI 324 * command context and what the firmware is passing back to us. We also 325 * want to avoid working on stale information. This structure handles both 326 * at the expense of some local memory. 327 * 328 * The handle is architected thusly: 329 * 330 * 0 means "free handle" 331 * bits 0..12 index commands 332 * bits 13..15 bits index usage 333 * bits 16..31 contain a rolling sequence 334 * 335 * 336 */ 337 typedef struct { 338 void * cmd; /* associated command context */ 339 uint32_t handle; /* handle associated with this command */ 340 } isp_hdl_t; 341 #define ISP_HANDLE_FREE 0x00000000 342 #define ISP_HANDLE_CMD_MASK 0x00001fff 343 #define ISP_HANDLE_USAGE_MASK 0x0000e000 344 #define ISP_HANDLE_USAGE_SHIFT 13 345 #define ISP_H2HT(hdl) ((hdl & ISP_HANDLE_USAGE_MASK) >> ISP_HANDLE_USAGE_SHIFT) 346 # define ISP_HANDLE_NONE 0 347 # define ISP_HANDLE_INITIATOR 1 348 # define ISP_HANDLE_TARGET 2 349 #define ISP_HANDLE_SEQ_MASK 0xffff0000 350 #define ISP_HANDLE_SEQ_SHIFT 16 351 #define ISP_H2SEQ(hdl) ((hdl & ISP_HANDLE_SEQ_MASK) >> ISP_HANDLE_SEQ_SHIFT) 352 #define ISP_VALID_INI_HANDLE(c, hdl) \ 353 (ISP_H2HT(hdl) == ISP_HANDLE_INITIATOR && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \ 354 ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_xflist[hdl & ISP_HANDLE_CMD_MASK].handle)) 355 #ifdef ISP_TARGET_MODE 356 #define ISP_VALID_TGT_HANDLE(c, hdl) \ 357 (ISP_H2HT(hdl) == ISP_HANDLE_TARGET && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \ 358 ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_tgtlist[hdl & ISP_HANDLE_CMD_MASK].handle)) 359 #define ISP_VALID_HANDLE(c, hdl) \ 360 (ISP_VALID_INI_HANDLE((c), hdl) || ISP_VALID_TGT_HANDLE((c), hdl)) 361 #else 362 #define ISP_VALID_HANDLE ISP_VALID_INI_HANDLE 363 #endif 364 #define ISP_BAD_HANDLE_INDEX 0xffffffff 365 366 367 /* 368 * FC Port Database entry. 369 * 370 * It has a handle that the f/w uses to address commands to a device. 371 * This handle's value may be assigned by the firmware (e.g., for local loop 372 * devices) or by the driver (e.g., for fabric devices). 373 * 374 * It has a state. If the state if VALID, that means that we've logged into 375 * the device. We also *may* have a initiator map index entry. This is a value 376 * from 0..MAX_FC_TARG that is used to index into the isp_dev_map array. If 377 * the value therein is non-zero, then that value minus one is used to index 378 * into the Port Database to find the handle for forming commands. There is 379 * back-index minus one value within to Port Database entry that tells us 380 * which entry in isp_dev_map points to us (to avoid searching). 381 * 382 * Local loop devices the firmware automatically performs PLOGI on for us 383 * (which is why that handle is imposed upon us). Fabric devices we assign 384 * a handle to and perform the PLOGI on. 385 * 386 * When a PORT DATABASE CHANGED asynchronous event occurs, we mark all VALID 387 * entries as PROBATIONAL. This allows us, if policy says to, just keep track 388 * of devices whose handles change but are otherwise the same device (and 389 * thus keep 'target' constant). 390 * 391 * In any case, we search all possible local loop handles. For each one that 392 * has a port database entity returned, we search for any PROBATIONAL entry 393 * that matches it and update as appropriate. Otherwise, as a new entry, we 394 * find room for it in the Port Database. We *try* and use the handle as the 395 * index to put it into the Database, but that's just an optimization. We mark 396 * the entry VALID and make sure that the target index is updated and correct. 397 * 398 * When we get done searching the local loop, we then search similarily for 399 * a list of devices we've gotten from the fabric name controller (if we're 400 * on a fabric). VALID marking is also done similarily. 401 * 402 * When all of this is done, we can march through the database and clean up 403 * any entry that is still PROBATIONAL (these represent devices which have 404 * departed). Then we're done and can resume normal operations. 405 * 406 * Negative invariants that we try and test for are: 407 * 408 * + There can never be two non-NIL entries with the same { Port, Node } WWN 409 * duples. 410 * 411 * + There can never be two non-NIL entries with the same handle. 412 * 413 * + There can never be two non-NIL entries which have the same dev_map_idx 414 * value. 415 */ 416 typedef struct { 417 /* 418 * This is the handle that the firmware needs in order for us to 419 * send commands to the device. For pre-24XX cards, this would be 420 * the 'loopid'. 421 */ 422 uint16_t handle; 423 424 /* 425 * The dev_map_idx, if nonzero, is the system virtual target ID (+1) 426 * as a cross-reference with the isp_dev_map. 427 * 428 * A device is 'autologin' if the firmware automatically logs into 429 * it (re-logins as needed). Basically, local private loop devices. 430 * 431 * The state is the current state of this entry. 432 * 433 * Role is Initiator, Target, Both 434 * 435 * Portid is obvious, as are node && port WWNs. The new_role and 436 * new_portid is for when we are pending a change. 437 * 438 * The 'target_mode' tag means that this entry arrived via a 439 * target mode command and is immune from normal flushing rules. 440 * You should also never see anything with an initiator role 441 * with this set. 442 */ 443 uint16_t dev_map_idx : 12, 444 autologin : 1, /* F/W does PLOGI/PLOGO */ 445 state : 3; 446 uint32_t reserved : 5, 447 target_mode : 1, 448 roles : 2, 449 portid : 24; 450 uint32_t 451 dirty : 1, /* commands have been run */ 452 new_reserved : 5, 453 new_roles : 2, 454 new_portid : 24; 455 uint64_t node_wwn; 456 uint64_t port_wwn; 457 } fcportdb_t; 458 459 #define FC_PORTDB_STATE_NIL 0 460 #define FC_PORTDB_STATE_PROBATIONAL 1 461 #define FC_PORTDB_STATE_DEAD 2 462 #define FC_PORTDB_STATE_CHANGED 3 463 #define FC_PORTDB_STATE_NEW 4 464 #define FC_PORTDB_STATE_PENDING_VALID 5 465 #define FC_PORTDB_STATE_ZOMBIE 6 466 #define FC_PORTDB_STATE_VALID 7 467 468 /* 469 * FC card specific information 470 * 471 * This structure is replicated across multiple channels for multi-id 472 * capapble chipsets, with some entities different on a per-channel basis. 473 */ 474 475 typedef struct { 476 uint32_t 477 link_active : 1, 478 npiv_fabric : 1, 479 inorder : 1, 480 sendmarker : 1, 481 role : 2, 482 isp_gbspeed : 4, 483 isp_loopstate : 4, /* Current Loop State */ 484 isp_fwstate : 4, /* ISP F/W state */ 485 isp_topo : 3, /* Connection Type */ 486 loop_seen_once : 1; 487 488 uint32_t : 8, 489 isp_portid : 24; /* S_ID */ 490 491 492 uint16_t isp_fwoptions; 493 uint16_t isp_xfwoptions; 494 uint16_t isp_zfwoptions; 495 uint16_t isp_loopid; /* hard loop id */ 496 uint16_t isp_sns_hdl; /* N-port handle for SNS */ 497 uint16_t isp_lasthdl; /* only valid for channel 0 */ 498 uint16_t isp_maxalloc; 499 uint8_t isp_retry_delay; 500 uint8_t isp_retry_count; 501 502 /* 503 * Current active WWNN/WWPN 504 */ 505 uint64_t isp_wwnn; 506 uint64_t isp_wwpn; 507 508 /* 509 * NVRAM WWNN/WWPN 510 */ 511 uint64_t isp_wwnn_nvram; 512 uint64_t isp_wwpn_nvram; 513 514 /* 515 * Our Port Data Base 516 */ 517 fcportdb_t portdb[MAX_FC_TARG]; 518 519 /* 520 * This maps system virtual 'target' id to a portdb entry. 521 * 522 * The mapping function is to take any non-zero entry and 523 * subtract one to get the portdb index. This means that 524 * entries which are zero are unmapped (i.e., don't exist). 525 */ 526 uint16_t isp_dev_map[MAX_FC_TARG]; 527 528 #ifdef ISP_TARGET_MODE 529 /* 530 * This maps N-Port Handle to portdb entry so we 531 * don't have to search for every incoming command. 532 * 533 * The mapping function is to take any non-zero entry and 534 * subtract one to get the portdb index. This means that 535 * entries which are zero are unmapped (i.e., don't exist). 536 */ 537 uint16_t isp_tgt_map[MAX_NPORT_HANDLE]; 538 #endif 539 540 /* 541 * Scratch DMA mapped in area to fetch Port Database stuff, etc. 542 */ 543 void * isp_scratch; 544 XS_DMA_ADDR_T isp_scdma; 545 } fcparam; 546 547 #define FW_CONFIG_WAIT 0 548 #define FW_WAIT_AL_PA 1 549 #define FW_WAIT_LOGIN 2 550 #define FW_READY 3 551 #define FW_LOSS_OF_SYNC 4 552 #define FW_ERROR 5 553 #define FW_REINIT 6 554 #define FW_NON_PART 7 555 556 #define LOOP_NIL 0 557 #define LOOP_LIP_RCVD 1 558 #define LOOP_PDB_RCVD 2 559 #define LOOP_SCANNING_LOOP 3 560 #define LOOP_LSCAN_DONE 4 561 #define LOOP_SCANNING_FABRIC 5 562 #define LOOP_FSCAN_DONE 6 563 #define LOOP_SYNCING_PDB 7 564 #define LOOP_READY 8 565 566 #define TOPO_NL_PORT 0 567 #define TOPO_FL_PORT 1 568 #define TOPO_N_PORT 2 569 #define TOPO_F_PORT 3 570 #define TOPO_PTP_STUB 4 571 572 /* 573 * Soft Structure per host adapter 574 */ 575 struct ispsoftc { 576 /* 577 * Platform (OS) specific data 578 */ 579 struct isposinfo isp_osinfo; 580 581 /* 582 * Pointer to bus specific functions and data 583 */ 584 struct ispmdvec * isp_mdvec; 585 586 /* 587 * (Mostly) nonvolatile state. Board specific parameters 588 * may contain some volatile state (e.g., current loop state). 589 */ 590 591 void * isp_param; /* type specific */ 592 uint16_t isp_fwrev[3]; /* Loaded F/W revision */ 593 uint16_t isp_maxcmds; /* max possible I/O cmds */ 594 uint8_t isp_type; /* HBA Chip Type */ 595 uint8_t isp_revision; /* HBA Chip H/W Revision */ 596 uint32_t isp_maxluns; /* maximum luns supported */ 597 598 uint32_t isp_clock : 8, /* input clock */ 599 : 4, 600 isp_port : 1, /* 23XX/24XX only */ 601 isp_open : 1, /* opened (ioctl) */ 602 isp_bustype : 1, /* SBus or PCI */ 603 isp_loaded_fw : 1, /* loaded firmware */ 604 isp_dblev : 16; /* debug log mask */ 605 606 uint16_t isp_fwattr; /* firmware attributes */ 607 uint16_t isp_nchan; /* number of channels */ 608 609 uint32_t isp_confopts; /* config options */ 610 611 uint32_t isp_rqstinrp; /* register for REQINP */ 612 uint32_t isp_rqstoutrp; /* register for REQOUTP */ 613 uint32_t isp_respinrp; /* register for RESINP */ 614 uint32_t isp_respoutrp; /* register for RESOUTP */ 615 616 /* 617 * Instrumentation 618 */ 619 uint64_t isp_intcnt; /* total int count */ 620 uint64_t isp_intbogus; /* spurious int count */ 621 uint64_t isp_intmboxc; /* mbox completions */ 622 uint64_t isp_intoasync; /* other async */ 623 uint64_t isp_rsltccmplt; /* CMDs on result q */ 624 uint64_t isp_fphccmplt; /* CMDs via fastpost */ 625 uint16_t isp_rscchiwater; 626 uint16_t isp_fpcchiwater; 627 NANOTIME_T isp_init_time; /* time were last initialized */ 628 629 /* 630 * Volatile state 631 */ 632 633 volatile uint32_t : 8, 634 : 2, 635 isp_dead : 1, 636 : 1, 637 isp_mboxbsy : 1, /* mailbox command active */ 638 isp_state : 3, 639 isp_nactive : 16; /* how many commands active */ 640 volatile mbreg_t isp_curmbx; /* currently active mailbox command */ 641 volatile uint32_t isp_reqodx; /* index of last ISP pickup */ 642 volatile uint32_t isp_reqidx; /* index of next request */ 643 volatile uint32_t isp_residx; /* index of next result */ 644 volatile uint32_t isp_resodx; /* index of next result */ 645 volatile uint32_t isp_obits; /* mailbox command output */ 646 volatile uint32_t isp_serno; /* rolling serial number */ 647 volatile uint16_t isp_mboxtmp[MAILBOX_STORAGE]; 648 volatile uint16_t isp_lastmbxcmd; /* last mbox command sent */ 649 volatile uint16_t isp_mbxwrk0; 650 volatile uint16_t isp_mbxwrk1; 651 volatile uint16_t isp_mbxwrk2; 652 volatile uint16_t isp_mbxwrk8; 653 volatile uint16_t isp_seqno; /* running sequence number */ 654 void * isp_mbxworkp; 655 656 /* 657 * Active commands are stored here, indexed by handle functions. 658 */ 659 isp_hdl_t *isp_xflist; 660 isp_hdl_t *isp_xffree; 661 662 #ifdef ISP_TARGET_MODE 663 /* 664 * Active target commands are stored here, indexed by handle functions. 665 */ 666 isp_hdl_t *isp_tgtlist; 667 isp_hdl_t *isp_tgtfree; 668 #endif 669 670 /* 671 * request/result queue pointers and DMA handles for them. 672 */ 673 void * isp_rquest; 674 void * isp_result; 675 XS_DMA_ADDR_T isp_rquest_dma; 676 XS_DMA_ADDR_T isp_result_dma; 677 #ifdef ISP_TARGET_MODE 678 /* for 24XX only */ 679 void * isp_atioq; 680 XS_DMA_ADDR_T isp_atioq_dma; 681 #endif 682 }; 683 684 #define SDPARAM(isp, chan) (&((sdparam *)(isp)->isp_param)[(chan)]) 685 #define FCPARAM(isp, chan) (&((fcparam *)(isp)->isp_param)[(chan)]) 686 687 #define ISP_SET_SENDMARKER(isp, chan, val) \ 688 if (IS_FC(isp)) { \ 689 FCPARAM(isp, chan)->sendmarker = val; \ 690 } else { \ 691 SDPARAM(isp, chan)->sendmarker = val; \ 692 } 693 694 #define ISP_TST_SENDMARKER(isp, chan) \ 695 (IS_FC(isp)? \ 696 FCPARAM(isp, chan)->sendmarker != 0 : \ 697 SDPARAM(isp, chan)->sendmarker != 0) 698 699 /* 700 * ISP Driver Run States 701 */ 702 #define ISP_NILSTATE 0 703 #define ISP_CRASHED 1 704 #define ISP_RESETSTATE 2 705 #define ISP_INITSTATE 3 706 #define ISP_RUNSTATE 4 707 708 /* 709 * ISP Configuration Options 710 */ 711 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ 712 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ 713 #define ISP_CFG_TWOGB 0x20 /* force 2GB connection (23XX only) */ 714 #define ISP_CFG_ONEGB 0x10 /* force 1GB connection (23XX only) */ 715 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ 716 #define ISP_CFG_PORT_PREF 0x0C /* Mask for Port Prefs (2200 only) */ 717 #define ISP_CFG_LPORT 0x00 /* prefer {N/F}L-Port connection */ 718 #define ISP_CFG_NPORT 0x04 /* prefer {N/F}-Port connection */ 719 #define ISP_CFG_NPORT_ONLY 0x08 /* insist on {N/F}-Port connection */ 720 #define ISP_CFG_LPORT_ONLY 0x0C /* insist on {N/F}L-Port connection */ 721 #define ISP_CFG_OWNFSZ 0x400 /* override NVRAM frame size */ 722 #define ISP_CFG_OWNLOOPID 0x800 /* override NVRAM loopid */ 723 #define ISP_CFG_OWNEXCTHROTTLE 0x1000 /* override NVRAM execution throttle */ 724 #define ISP_CFG_FOURGB 0x2000 /* force 4GB connection (24XX only) */ 725 726 /* 727 * For each channel, the outer layers should know what role that channel 728 * will take: ISP_ROLE_NONE, ISP_ROLE_INITIATOR, ISP_ROLE_TARGET, 729 * ISP_ROLE_BOTH. 730 * 731 * If you set ISP_ROLE_NONE, the cards will be reset, new firmware loaded, 732 * NVRAM read, and defaults set, but any further initialization (e.g. 733 * INITIALIZE CONTROL BLOCK commands for 2X00 cards) won't be done. 734 * 735 * If INITIATOR MODE isn't set, attempts to run commands will be stopped 736 * at isp_start and completed with the equivalent of SELECTION TIMEOUT. 737 * 738 * If TARGET MODE is set, it doesn't mean that the rest of target mode support 739 * needs to be enabled, or will even work. What happens with the 2X00 cards 740 * here is that if you have enabled it with TARGET MODE as part of the ICB 741 * options, but you haven't given the f/w any ram resources for ATIOs or 742 * Immediate Notifies, the f/w just handles what it can and you never see 743 * anything. Basically, it sends a single byte of data (the first byte, 744 * which you can set as part of the INITIALIZE CONTROL BLOCK command) for 745 * INQUIRY, and sends back QUEUE FULL status for any other command. 746 * 747 */ 748 #define ISP_ROLE_NONE 0x0 749 #define ISP_ROLE_TARGET 0x1 750 #define ISP_ROLE_INITIATOR 0x2 751 #define ISP_ROLE_BOTH (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR) 752 #define ISP_ROLE_EITHER ISP_ROLE_BOTH 753 #ifndef ISP_DEFAULT_ROLES 754 #define ISP_DEFAULT_ROLES ISP_ROLE_INITIATOR 755 #endif 756 757 758 /* 759 * Firmware related defines 760 */ 761 #define ISP_CODE_ORG 0x1000 /* default f/w code start */ 762 #define ISP_CODE_ORG_2300 0x0800 /* ..except for 2300s */ 763 #define ISP_CODE_ORG_2400 0x100000 /* ..and 2400s */ 764 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 765 #define ISP_FW_MAJOR(code) ((code >> 24) & 0xff) 766 #define ISP_FW_MINOR(code) ((code >> 16) & 0xff) 767 #define ISP_FW_MICRO(code) ((code >> 8) & 0xff) 768 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 769 #define ISP_FW_MAJORX(xp) (xp[0]) 770 #define ISP_FW_MINORX(xp) (xp[1]) 771 #define ISP_FW_MICROX(xp) (xp[2]) 772 #define ISP_FW_NEWER_THAN(i, major, minor, micro) \ 773 (ISP_FW_REVX((i)->isp_fwrev) > ISP_FW_REV(major, minor, micro)) 774 #define ISP_FW_OLDER_THAN(i, major, minor, micro) \ 775 (ISP_FW_REVX((i)->isp_fwrev) < ISP_FW_REV(major, minor, micro)) 776 777 /* 778 * Bus (implementation) types 779 */ 780 #define ISP_BT_PCI 0 /* PCI Implementations */ 781 #define ISP_BT_SBUS 1 /* SBus Implementations */ 782 783 /* 784 * If we have not otherwise defined SBus support away make sure 785 * it is defined here such that the code is included as default 786 */ 787 #ifndef ISP_SBUS_SUPPORTED 788 #define ISP_SBUS_SUPPORTED 1 789 #endif 790 791 /* 792 * Chip Types 793 */ 794 #define ISP_HA_SCSI 0xf 795 #define ISP_HA_SCSI_UNKNOWN 0x1 796 #define ISP_HA_SCSI_1020 0x2 797 #define ISP_HA_SCSI_1020A 0x3 798 #define ISP_HA_SCSI_1040 0x4 799 #define ISP_HA_SCSI_1040A 0x5 800 #define ISP_HA_SCSI_1040B 0x6 801 #define ISP_HA_SCSI_1040C 0x7 802 #define ISP_HA_SCSI_1240 0x8 803 #define ISP_HA_SCSI_1080 0x9 804 #define ISP_HA_SCSI_1280 0xa 805 #define ISP_HA_SCSI_10160 0xb 806 #define ISP_HA_SCSI_12160 0xc 807 #define ISP_HA_FC 0xf0 808 #define ISP_HA_FC_2100 0x10 809 #define ISP_HA_FC_2200 0x20 810 #define ISP_HA_FC_2300 0x30 811 #define ISP_HA_FC_2312 0x40 812 #define ISP_HA_FC_2322 0x50 813 #define ISP_HA_FC_2400 0x60 814 #define ISP_HA_FC_2500 0x70 815 816 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 817 #define IS_1020(isp) (isp->isp_type < ISP_HA_SCSI_1240) 818 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 819 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 820 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 821 #define IS_10160(isp) (isp->isp_type == ISP_HA_SCSI_10160) 822 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160) 823 824 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp)) 825 #define IS_1X160(isp) (IS_10160(isp) || IS_12160(isp)) 826 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp)) 827 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_1X160(isp)) 828 #define IS_ULTRA3(isp) (IS_1X160(isp)) 829 830 #define IS_FC(isp) ((isp)->isp_type & ISP_HA_FC) 831 #define IS_2100(isp) ((isp)->isp_type == ISP_HA_FC_2100) 832 #define IS_2200(isp) ((isp)->isp_type == ISP_HA_FC_2200) 833 #define IS_23XX(isp) ((isp)->isp_type >= ISP_HA_FC_2300 && \ 834 (isp)->isp_type < ISP_HA_FC_2400) 835 #define IS_2300(isp) ((isp)->isp_type == ISP_HA_FC_2300) 836 #define IS_2312(isp) ((isp)->isp_type == ISP_HA_FC_2312) 837 #define IS_2322(isp) ((isp)->isp_type == ISP_HA_FC_2322) 838 #define IS_24XX(isp) ((isp)->isp_type >= ISP_HA_FC_2400) 839 #define IS_25XX(isp) ((isp)->isp_type >= ISP_HA_FC_2500) 840 841 /* 842 * DMA related macros 843 */ 844 #define DMA_WD3(x) (((uint16_t)(((uint64_t)x) >> 48)) & 0xffff) 845 #define DMA_WD2(x) (((uint16_t)(((uint64_t)x) >> 32)) & 0xffff) 846 #define DMA_WD1(x) ((uint16_t)((x) >> 16) & 0xffff) 847 #define DMA_WD0(x) ((uint16_t)((x) & 0xffff)) 848 849 #define DMA_LO32(x) ((uint32_t) (x)) 850 #define DMA_HI32(x) ((uint32_t)(((uint64_t)x) >> 32)) 851 852 /* 853 * Core System Function Prototypes 854 */ 855 856 /* 857 * Reset Hardware. Totally. Assumes that you'll follow this with a call to isp_init. 858 */ 859 void isp_reset(ispsoftc_t *, int); 860 861 /* 862 * Initialize Hardware to known state 863 */ 864 void isp_init(ispsoftc_t *); 865 866 /* 867 * Reset the ISP and call completion for any orphaned commands. 868 */ 869 void isp_reinit(ispsoftc_t *, int); 870 871 /* 872 * Internal Interrupt Service Routine 873 * 874 * The outer layers do the spade work to get the appropriate status register, 875 * semaphore register and first mailbox register (if appropriate). This also 876 * means that most spurious/bogus interrupts not for us can be filtered first. 877 */ 878 void isp_intr(ispsoftc_t *, uint32_t, uint16_t, uint16_t); 879 880 881 /* 882 * Command Entry Point- Platform Dependent layers call into this 883 */ 884 int isp_start(XS_T *); 885 886 /* these values are what isp_start returns */ 887 #define CMD_COMPLETE 101 /* command completed */ 888 #define CMD_EAGAIN 102 /* busy- maybe retry later */ 889 #define CMD_QUEUED 103 /* command has been queued for execution */ 890 #define CMD_RQLATER 104 /* requeue this command later */ 891 892 /* 893 * Command Completion Point- Core layers call out from this with completed cmds 894 */ 895 void isp_done(XS_T *); 896 897 /* 898 * Platform Dependent to External to Internal Control Function 899 * 900 * Assumes locks are held on entry. You should note that with many of 901 * these commands locks may be released while this function is called. 902 * 903 * ... ISPCTL_RESET_BUS, int channel); 904 * Reset BUS on this channel 905 * ... ISPCTL_RESET_DEV, int channel, int target); 906 * Reset Device on this channel at this target. 907 * ... ISPCTL_ABORT_CMD, XS_T *xs); 908 * Abort active transaction described by xs. 909 * ... IPCTL_UPDATE_PARAMS); 910 * Update any operating parameters (speed, etc.) 911 * ... ISPCTL_FCLINK_TEST, int channel); 912 * Test FC link status on this channel 913 * ... ISPCTL_SCAN_FABRIC, int channel); 914 * Scan fabric on this channel 915 * ... ISPCTL_SCAN_LOOP, int channel); 916 * Scan local loop on this channel 917 * ... ISPCTL_PDB_SYNC, int channel); 918 * Synchronize port database on this channel 919 * ... ISPCTL_SEND_LIP, int channel); 920 * Send a LIP on this channel 921 * ... ISPCTL_GET_NAMES, int channel, int np, uint64_t *wwnn, uint64_t *wwpn) 922 * Get a WWNN/WWPN for this N-port handle on this channel 923 * ... ISPCTL_RUN_MBOXCMD, mbreg_t *mbp) 924 * Run this mailbox command 925 * ... ISPCTL_GET_PDB, int channel, int nphandle, isp_pdb_t *pdb) 926 * Get PDB on this channel for this N-port handle 927 * ... ISPCTL_PLOGX, isp_plcmd_t *) 928 * Performa a port login/logout 929 * 930 * ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in 931 * order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_FABRIC, and ISPCTL_SCAN_LOOP. 932 * The main purpose of ISPCTL_PDB_SYNC is to complete management of logging 933 * and logging out of fabric devices (if one is on a fabric) and then marking 934 * the 'loop state' as being ready to now be used for sending commands to 935 * devices. Originally fabric name server and local loop scanning were 936 * part of this function. It's now been separated to allow for finer control. 937 */ 938 typedef enum { 939 ISPCTL_RESET_BUS, 940 ISPCTL_RESET_DEV, 941 ISPCTL_ABORT_CMD, 942 ISPCTL_UPDATE_PARAMS, 943 ISPCTL_FCLINK_TEST, 944 ISPCTL_SCAN_FABRIC, 945 ISPCTL_SCAN_LOOP, 946 ISPCTL_PDB_SYNC, 947 ISPCTL_SEND_LIP, 948 ISPCTL_GET_NAMES, 949 ISPCTL_RUN_MBOXCMD, 950 ISPCTL_GET_PDB, 951 ISPCTL_PLOGX 952 } ispctl_t; 953 int isp_control(ispsoftc_t *, ispctl_t, ...); 954 955 /* 956 * Platform Dependent to Internal to External Control Function 957 */ 958 959 typedef enum { 960 ISPASYNC_NEW_TGT_PARAMS, /* SPI New Target Parameters */ 961 ISPASYNC_BUS_RESET, /* All Bus Was Reset */ 962 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 963 ISPASYNC_LOOP_UP, /* FC Loop Up */ 964 ISPASYNC_LIP, /* FC LIP Received */ 965 ISPASYNC_LOOP_RESET, /* FC Loop Reset Received */ 966 ISPASYNC_CHANGE_NOTIFY, /* FC Change Notification */ 967 ISPASYNC_DEV_ARRIVED, /* FC Device Arrived */ 968 ISPASYNC_DEV_CHANGED, /* FC Device Changed */ 969 ISPASYNC_DEV_STAYED, /* FC Device Stayed */ 970 ISPASYNC_DEV_GONE, /* FC Device Departure */ 971 ISPASYNC_TARGET_NOTIFY, /* All target async notification */ 972 ISPASYNC_TARGET_ACTION, /* All target action requested */ 973 ISPASYNC_FW_CRASH, /* All Firmware has crashed */ 974 ISPASYNC_FW_RESTARTED /* All Firmware has been restarted */ 975 } ispasync_t; 976 void isp_async(ispsoftc_t *, ispasync_t, ...); 977 978 #define ISPASYNC_CHANGE_PDB 0 979 #define ISPASYNC_CHANGE_SNS 1 980 #define ISPASYNC_CHANGE_OTHER 2 981 982 /* 983 * Platform Dependent Error and Debug Printout 984 * 985 * Two required functions for each platform must be provided: 986 * 987 * void isp_prt(ispsoftc_t *, int level, const char *, ...) 988 * void isp_xs_prt(ispsoftc_t *, XS_T *, int level, const char *, ...) 989 * 990 * but due to compiler differences on different platforms this won't be 991 * formally defined here. Instead, they go in each platform definition file. 992 */ 993 994 #define ISP_LOGALL 0x0 /* log always */ 995 #define ISP_LOGCONFIG 0x1 /* log configuration messages */ 996 #define ISP_LOGINFO 0x2 /* log informational messages */ 997 #define ISP_LOGWARN 0x4 /* log warning messages */ 998 #define ISP_LOGERR 0x8 /* log error messages */ 999 #define ISP_LOGDEBUG0 0x10 /* log simple debug messages */ 1000 #define ISP_LOGDEBUG1 0x20 /* log intermediate debug messages */ 1001 #define ISP_LOGDEBUG2 0x40 /* log most debug messages */ 1002 #define ISP_LOGDEBUG3 0x80 /* log high frequency debug messages */ 1003 #define ISP_LOGSANCFG 0x100 /* log SAN configuration */ 1004 #define ISP_LOG_CWARN 0x200 /* log SCSI command "warnings" (e.g., check conditions) */ 1005 #define ISP_LOGTINFO 0x1000 /* log informational messages (target mode) */ 1006 #define ISP_LOGTDEBUG0 0x2000 /* log simple debug messages (target mode) */ 1007 #define ISP_LOGTDEBUG1 0x4000 /* log intermediate debug messages (target) */ 1008 #define ISP_LOGTDEBUG2 0x8000 /* log all debug messages (target) */ 1009 1010 /* 1011 * Each Platform provides it's own isposinfo substructure of the ispsoftc 1012 * defined above. 1013 * 1014 * Each platform must also provide the following macros/defines: 1015 * 1016 * 1017 * ISP_FC_SCRLEN FC scratch area DMA length 1018 * 1019 * ISP_MEMZERO(dst, src) platform zeroing function 1020 * ISP_MEMCPY(dst, src, count) platform copying function 1021 * ISP_SNPRINTF(buf, bufsize, fmt, ...) snprintf 1022 * ISP_DELAY(usecs) microsecond spindelay function 1023 * ISP_SLEEP(isp, usecs) microsecond sleep function 1024 * 1025 * ISP_INLINE ___inline or not- depending on how 1026 * good your debugger is 1027 * 1028 * NANOTIME_T nanosecond time type 1029 * 1030 * GET_NANOTIME(NANOTIME_T *) get current nanotime. 1031 * 1032 * GET_NANOSEC(NANOTIME_T *) get uint64_t from NANOTIME_T 1033 * 1034 * NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *) 1035 * subtract two NANOTIME_T values 1036 * 1037 * MAXISPREQUEST(ispsoftc_t *) maximum request queue size 1038 * for this particular board type 1039 * 1040 * MEMORYBARRIER(ispsoftc_t *, barrier_type, offset, size) 1041 * 1042 * Function/Macro the provides memory synchronization on 1043 * various objects so that the ISP's and the system's view 1044 * of the same object is consistent. 1045 * 1046 * MBOX_ACQUIRE(ispsoftc_t *) acquire lock on mailbox regs 1047 * MBOX_WAIT_COMPLETE(ispsoftc_t *, mbreg_t *) wait for cmd to be done 1048 * MBOX_NOTIFY_COMPLETE(ispsoftc_t *) notification of mbox cmd donee 1049 * MBOX_RELEASE(ispsoftc_t *) release lock on mailbox regs 1050 * 1051 * FC_SCRATCH_ACQUIRE(ispsoftc_t *, chan) acquire lock on FC scratch area 1052 * return -1 if you cannot 1053 * FC_SCRATCH_RELEASE(ispsoftc_t *, chan) acquire lock on FC scratch area 1054 * 1055 * SCSI_GOOD SCSI 'Good' Status 1056 * SCSI_CHECK SCSI 'Check Condition' Status 1057 * SCSI_BUSY SCSI 'Busy' Status 1058 * SCSI_QFULL SCSI 'Queue Full' Status 1059 * 1060 * XS_T Platform SCSI transaction type (i.e., command for HBA) 1061 * XS_DMA_ADDR_T Platform PCI DMA Address Type 1062 * XS_GET_DMA_SEG(..) Get 32 bit dma segment list value 1063 * XS_GET_DMA64_SEG(..) Get 64 bit dma segment list value 1064 * XS_ISP(xs) gets an instance out of an XS_T 1065 * XS_CHANNEL(xs) gets the channel (bus # for DUALBUS cards) "" 1066 * XS_TGT(xs) gets the target "" 1067 * XS_LUN(xs) gets the lun "" 1068 * XS_CDBP(xs) gets a pointer to the scsi CDB "" 1069 * XS_CDBLEN(xs) gets the CDB's length "" 1070 * XS_XFRLEN(xs) gets the associated data transfer length "" 1071 * XS_TIME(xs) gets the time (in milliseconds) for this command 1072 * XS_GET_RESID(xs) gets the current residual count 1073 * XS_GET_RESID(xs, resid) sets the current residual count 1074 * XS_STSP(xs) gets a pointer to the SCSI status byte "" 1075 * XS_SNSP(xs) gets a pointer to the associate sense data 1076 * XS_SNSLEN(xs) gets the length of sense data storage 1077 * XS_SNSKEY(xs) dereferences XS_SNSP to get the current stored Sense Key 1078 * XS_SNSASC(xs) dereferences XS_SNSP to get the current stored Additional Sense Code 1079 * XS_SNSASCQ(xs) dereferences XS_SNSP to get the current stored Additional Sense Code Qualifier 1080 * XS_TAG_P(xs) predicate of whether this command should be tagged 1081 * XS_TAG_TYPE(xs) which type of tag to use 1082 * XS_SETERR(xs) set error state 1083 * 1084 * HBA_NOERROR command has no erros 1085 * HBA_BOTCH hba botched something 1086 * HBA_CMDTIMEOUT command timed out 1087 * HBA_SELTIMEOUT selection timed out (also port logouts for FC) 1088 * HBA_TGTBSY target returned a BUSY status 1089 * HBA_BUSRESET bus reset destroyed command 1090 * HBA_ABORTED command was aborted (by request) 1091 * HBA_DATAOVR a data overrun was detected 1092 * HBA_ARQFAIL Automatic Request Sense failed 1093 * 1094 * XS_ERR(xs) return current error state 1095 * XS_NOERR(xs) there is no error currently set 1096 * XS_INITERR(xs) initialize error state 1097 * 1098 * XS_SAVE_SENSE(xs, sp, len) save sense data 1099 * 1100 * XS_SENSE_VALID(xs) indicates whether sense is valid 1101 * 1102 * DEFAULT_FRAMESIZE(ispsoftc_t *) Default Frame Size 1103 * DEFAULT_EXEC_THROTTLE(ispsoftc_t *) Default Execution Throttle 1104 * 1105 * GET_DEFAULT_ROLE(ispsoftc_t *, int) Get Default Role for a channel 1106 * SET_DEFAULT_ROLE(ispsoftc_t *, int, int) Set Default Role for a channel 1107 * DEFAULT_IID(ispsoftc_t *, int) Default SCSI initiator ID 1108 * DEFAULT_LOOPID(ispsoftc_t *, int) Default FC Loop ID 1109 * 1110 * These establish reasonable defaults for each platform. 1111 * These must be available independent of card NVRAM and are 1112 * to be used should NVRAM not be readable. 1113 * 1114 * DEFAULT_NODEWWN(ispsoftc_t *, chan) Default FC Node WWN to use 1115 * DEFAULT_PORTWWN(ispsoftc_t *, chan) Default FC Port WWN to use 1116 * 1117 * These defines are hooks to allow the setting of node and 1118 * port WWNs when NVRAM cannot be read or is to be overriden. 1119 * 1120 * ACTIVE_NODEWWN(ispsoftc_t *, chan) FC Node WWN to use 1121 * ACTIVE_PORTWWN(ispsoftc_t *, chan) FC Port WWN to use 1122 * 1123 * After NVRAM is read, these will be invoked to get the 1124 * node and port WWNs that will actually be used for this 1125 * channel. 1126 * 1127 * 1128 * ISP_IOXPUT_8(ispsoftc_t *, uint8_t srcval, uint8_t *dstptr) 1129 * ISP_IOXPUT_16(ispsoftc_t *, uint16_t srcval, uint16_t *dstptr) 1130 * ISP_IOXPUT_32(ispsoftc_t *, uint32_t srcval, uint32_t *dstptr) 1131 * 1132 * ISP_IOXGET_8(ispsoftc_t *, uint8_t *srcptr, uint8_t dstrval) 1133 * ISP_IOXGET_16(ispsoftc_t *, uint16_t *srcptr, uint16_t dstrval) 1134 * ISP_IOXGET_32(ispsoftc_t *, uint32_t *srcptr, uint32_t dstrval) 1135 * 1136 * ISP_SWIZZLE_NVRAM_WORD(ispsoftc_t *, uint16_t *) 1137 * ISP_SWIZZLE_NVRAM_LONG(ispsoftc_t *, uint32_t *) 1138 * ISP_SWAP16(ispsoftc_t *, uint16_t srcval) 1139 * ISP_SWAP32(ispsoftc_t *, uint32_t srcval) 1140 */ 1141 1142 #ifdef ISP_TARGET_MODE 1143 /* 1144 * The functions below are for the publicly available 1145 * target mode functions that are internal to the Qlogic driver. 1146 */ 1147 1148 /* 1149 * This function handles new response queue entry appropriate for target mode. 1150 */ 1151 int isp_target_notify(ispsoftc_t *, void *, uint32_t *); 1152 1153 /* 1154 * This function externalizes the ability to acknowledge an Immediate Notify request. 1155 */ 1156 int isp_notify_ack(ispsoftc_t *, void *); 1157 1158 /* 1159 * This function externalized acknowledging (success/fail) an ABTS frame 1160 */ 1161 int isp_acknak_abts(ispsoftc_t *, void *, int); 1162 1163 /* 1164 * Enable/Disable/Modify a logical unit. 1165 * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt) 1166 */ 1167 #define DFLT_CMND_CNT 0xfe /* unmonitored */ 1168 #define DFLT_INOT_CNT 0xfe /* unmonitored */ 1169 int isp_lun_cmd(ispsoftc_t *, int, int, int, int, int); 1170 1171 /* 1172 * General request queue 'put' routine for target mode entries. 1173 */ 1174 int isp_target_put_entry(ispsoftc_t *isp, void *); 1175 1176 /* 1177 * General routine to put back an ATIO entry- 1178 * used for replenishing f/w resource counts. 1179 * The argument is a pointer to a source ATIO 1180 * or ATIO2. 1181 */ 1182 int isp_target_put_atio(ispsoftc_t *, void *); 1183 1184 /* 1185 * General routine to send a final CTIO for a command- used mostly for 1186 * local responses. 1187 */ 1188 int isp_endcmd(ispsoftc_t *, ...); 1189 #define ECMD_SVALID 0x100 1190 #define ECMD_TERMINATE 0x200 1191 1192 /* 1193 * Handle an asynchronous event 1194 * 1195 * Return nonzero if the interrupt that generated this event has been dismissed. 1196 */ 1197 int isp_target_async(ispsoftc_t *, int, int); 1198 #endif 1199 #endif /* _ISPVAR_H */ 1200