1 /* $FreeBSD$ */ 2 /*- 3 * Copyright (c) 1997-2009 by Matthew Jacob 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 /* 30 * Soft Definitions for for Qlogic ISP SCSI adapters. 31 */ 32 33 #ifndef _ISPVAR_H 34 #define _ISPVAR_H 35 36 #if defined(__NetBSD__) || defined(__OpenBSD__) 37 #include <dev/ic/isp_stds.h> 38 #include <dev/ic/ispmbox.h> 39 #endif 40 #ifdef __FreeBSD__ 41 #include <dev/isp/isp_stds.h> 42 #include <dev/isp/ispmbox.h> 43 #endif 44 #ifdef __linux__ 45 #include "isp_stds.h" 46 #include "ispmbox.h" 47 #endif 48 #ifdef __svr4__ 49 #include "isp_stds.h" 50 #include "ispmbox.h" 51 #endif 52 53 #define ISP_CORE_VERSION_MAJOR 7 54 #define ISP_CORE_VERSION_MINOR 0 55 56 /* 57 * Vector for bus specific code to provide specific services. 58 */ 59 typedef struct ispsoftc ispsoftc_t; 60 struct ispmdvec { 61 int (*dv_rd_isr) (ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *); 62 uint32_t (*dv_rd_reg) (ispsoftc_t *, int); 63 void (*dv_wr_reg) (ispsoftc_t *, int, uint32_t); 64 int (*dv_mbxdma) (ispsoftc_t *); 65 int (*dv_dmaset) (ispsoftc_t *, XS_T *, void *); 66 void (*dv_dmaclr) (ispsoftc_t *, XS_T *, uint32_t); 67 void (*dv_reset0) (ispsoftc_t *); 68 void (*dv_reset1) (ispsoftc_t *); 69 void (*dv_dregs) (ispsoftc_t *, const char *); 70 const void * dv_ispfw; /* ptr to f/w */ 71 uint16_t dv_conf1; 72 uint16_t dv_clock; /* clock frequency */ 73 }; 74 75 /* 76 * Overall parameters 77 */ 78 #define MAX_TARGETS 16 79 #ifndef MAX_FC_TARG 80 #define MAX_FC_TARG 512 81 #endif 82 #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS) 83 #define ISP_MAX_LUNS(isp) (isp)->isp_maxluns 84 85 /* 86 * Macros to access ISP registers through bus specific layers- 87 * mostly wrappers to vector through the mdvec structure. 88 */ 89 #define ISP_READ_ISR(isp, isrp, semap, mbox0p) \ 90 (*(isp)->isp_mdvec->dv_rd_isr)(isp, isrp, semap, mbox0p) 91 92 #define ISP_READ(isp, reg) \ 93 (*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg)) 94 95 #define ISP_WRITE(isp, reg, val) \ 96 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val)) 97 98 #define ISP_MBOXDMASETUP(isp) \ 99 (*(isp)->isp_mdvec->dv_mbxdma)((isp)) 100 101 #define ISP_DMASETUP(isp, xs, req) \ 102 (*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req)) 103 104 #define ISP_DMAFREE(isp, xs, hndl) \ 105 if ((isp)->isp_mdvec->dv_dmaclr) \ 106 (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl)) 107 108 #define ISP_RESET0(isp) \ 109 if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp)) 110 #define ISP_RESET1(isp) \ 111 if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp)) 112 #define ISP_DUMPREGS(isp, m) \ 113 if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m)) 114 115 #define ISP_SETBITS(isp, reg, val) \ 116 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val)) 117 118 #define ISP_CLRBITS(isp, reg, val) \ 119 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val)) 120 121 /* 122 * The MEMORYBARRIER macro is defined per platform (to provide synchronization 123 * on Request and Response Queues, Scratch DMA areas, and Registers) 124 * 125 * Defined Memory Barrier Synchronization Types 126 */ 127 #define SYNC_REQUEST 0 /* request queue synchronization */ 128 #define SYNC_RESULT 1 /* result queue synchronization */ 129 #define SYNC_SFORDEV 2 /* scratch, sync for ISP */ 130 #define SYNC_SFORCPU 3 /* scratch, sync for CPU */ 131 #define SYNC_REG 4 /* for registers */ 132 #define SYNC_ATIOQ 5 /* atio result queue (24xx) */ 133 134 /* 135 * Request/Response Queue defines and macros. 136 * The maximum is defined per platform (and can be based on board type). 137 */ 138 /* This is the size of a queue entry (request and response) */ 139 #define QENTRY_LEN 64 140 /* Both request and result queue length must be a power of two */ 141 #define RQUEST_QUEUE_LEN(x) MAXISPREQUEST(x) 142 #ifdef ISP_TARGET_MODE 143 #define RESULT_QUEUE_LEN(x) MAXISPREQUEST(x) 144 #else 145 #define RESULT_QUEUE_LEN(x) \ 146 (((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2) 147 #endif 148 #define ISP_QUEUE_ENTRY(q, idx) (((uint8_t *)q) + ((idx) * QENTRY_LEN)) 149 #define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN) 150 #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1)) 151 #define ISP_QFREE(in, out, qlen) \ 152 ((in == out)? (qlen - 1) : ((in > out)? \ 153 ((qlen - 1) - (in - out)) : (out - in - 1))) 154 #define ISP_QAVAIL(isp) \ 155 ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp)) 156 157 #define ISP_ADD_REQUEST(isp, nxti) \ 158 MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1); \ 159 ISP_WRITE(isp, isp->isp_rqstinrp, nxti); \ 160 isp->isp_reqidx = nxti 161 162 #define ISP_SYNC_REQUEST(isp) \ 163 MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1); \ 164 isp->isp_reqidx = ISP_NXT_QENTRY(isp->isp_reqidx, RQUEST_QUEUE_LEN(isp)); \ 165 ISP_WRITE(isp, isp->isp_rqstinrp, isp->isp_reqidx) 166 167 /* 168 * SCSI Specific Host Adapter Parameters- per bus, per target 169 */ 170 typedef struct { 171 uint32_t : 8, 172 update : 1, 173 sendmarker : 1, 174 role : 2, 175 isp_req_ack_active_neg : 1, 176 isp_data_line_active_neg: 1, 177 isp_cmd_dma_burst_enable: 1, 178 isp_data_dma_burst_enabl: 1, 179 isp_fifo_threshold : 3, 180 isp_ptisp : 1, 181 isp_ultramode : 1, 182 isp_diffmode : 1, 183 isp_lvdmode : 1, 184 isp_fast_mttr : 1, /* fast sram */ 185 isp_initiator_id : 4, 186 isp_async_data_setup : 4; 187 uint16_t isp_selection_timeout; 188 uint16_t isp_max_queue_depth; 189 uint8_t isp_tag_aging; 190 uint8_t isp_bus_reset_delay; 191 uint8_t isp_retry_count; 192 uint8_t isp_retry_delay; 193 struct { 194 uint32_t 195 exc_throttle : 8, 196 : 1, 197 dev_enable : 1, /* ignored */ 198 dev_update : 1, 199 dev_refresh : 1, 200 actv_offset : 4, 201 goal_offset : 4, 202 nvrm_offset : 4; 203 uint8_t actv_period; /* current sync period */ 204 uint8_t goal_period; /* goal sync period */ 205 uint8_t nvrm_period; /* nvram sync period */ 206 uint16_t actv_flags; /* current device flags */ 207 uint16_t goal_flags; /* goal device flags */ 208 uint16_t nvrm_flags; /* nvram device flags */ 209 } isp_devparam[MAX_TARGETS]; 210 } sdparam; 211 212 /* 213 * Device Flags 214 */ 215 #define DPARM_DISC 0x8000 216 #define DPARM_PARITY 0x4000 217 #define DPARM_WIDE 0x2000 218 #define DPARM_SYNC 0x1000 219 #define DPARM_TQING 0x0800 220 #define DPARM_ARQ 0x0400 221 #define DPARM_QFRZ 0x0200 222 #define DPARM_RENEG 0x0100 223 #define DPARM_NARROW 0x0080 224 #define DPARM_ASYNC 0x0040 225 #define DPARM_PPR 0x0020 226 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ) 227 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING)) 228 229 /* technically, not really correct, as they need to be rated based upon clock */ 230 #define ISP_80M_SYNCPARMS 0x0c09 231 #define ISP_40M_SYNCPARMS 0x0c0a 232 #define ISP_20M_SYNCPARMS 0x0c0c 233 #define ISP_20M_SYNCPARMS_1040 0x080c 234 #define ISP_10M_SYNCPARMS 0x0c19 235 #define ISP_08M_SYNCPARMS 0x0c25 236 #define ISP_05M_SYNCPARMS 0x0c32 237 #define ISP_04M_SYNCPARMS 0x0c41 238 239 /* 240 * Fibre Channel Specifics 241 */ 242 /* These are for non-2K Login Firmware cards */ 243 #define FL_ID 0x7e /* FL_Port Special ID */ 244 #define SNS_ID 0x80 /* SNS Server Special ID */ 245 #define NPH_MAX 0xfe 246 247 /* Use this handle for the base for multi-id firmware SNS logins */ 248 #define NPH_SNS_HDLBASE 0x400 249 250 /* These are for 2K Login Firmware cards */ 251 #define NPH_RESERVED 0x7F0 /* begin of reserved N-port handles */ 252 #define NPH_MGT_ID 0x7FA /* Management Server Special ID */ 253 #define NPH_SNS_ID 0x7FC /* SNS Server Special ID */ 254 #define NPH_FABRIC_CTLR 0x7FD /* Fabric Controller (0xFFFFFD) */ 255 #define NPH_FL_ID 0x7FE /* F Port Special ID (0xFFFFFE) */ 256 #define NPH_IP_BCST 0x7ff /* IP Broadcast Special ID (0xFFFFFF) */ 257 #define NPH_MAX_2K 0x800 258 259 /* 260 * "Unassigned" handle to be used internally 261 */ 262 #define NIL_HANDLE 0xffff 263 264 /* 265 * Limit for devices on an arbitrated loop. 266 */ 267 #define LOCAL_LOOP_LIM 126 268 269 /* 270 * Limit for (2K login) N-port handle amounts 271 */ 272 #define MAX_NPORT_HANDLE 2048 273 274 /* 275 * Special Constants 276 */ 277 #define INI_NONE ((uint64_t) 0) 278 #define ISP_NOCHAN 0xff 279 280 /* 281 * Special Port IDs 282 */ 283 #define MANAGEMENT_PORT_ID 0xFFFFFA 284 #define SNS_PORT_ID 0xFFFFFC 285 #define FABRIC_PORT_ID 0xFFFFFE 286 #define PORT_ANY 0xFFFFFF 287 #define PORT_NONE 0 288 #define DOMAIN_CONTROLLER_BASE 0xFFFC00 289 #define DOMAIN_CONTROLLER_END 0xFFFCFF 290 291 /* 292 * Command Handles 293 * 294 * Most QLogic initiator or target have 32 bit handles associated with them. 295 * We want to have a quick way to index back and forth between a local SCSI 296 * command context and what the firmware is passing back to us. We also 297 * want to avoid working on stale information. This structure handles both 298 * at the expense of some local memory. 299 * 300 * The handle is architected thusly: 301 * 302 * 0 means "free handle" 303 * bits 0..12 index commands 304 * bits 13..15 bits index usage 305 * bits 16..31 contain a rolling sequence 306 * 307 * 308 */ 309 typedef struct { 310 void * cmd; /* associated command context */ 311 uint32_t handle; /* handle associated with this command */ 312 } isp_hdl_t; 313 #define ISP_HANDLE_FREE 0x00000000 314 #define ISP_HANDLE_CMD_MASK 0x00001fff 315 #define ISP_HANDLE_USAGE_MASK 0x0000e000 316 #define ISP_HANDLE_USAGE_SHIFT 13 317 #define ISP_H2HT(hdl) ((hdl & ISP_HANDLE_USAGE_MASK) >> ISP_HANDLE_USAGE_SHIFT) 318 # define ISP_HANDLE_NONE 0 319 # define ISP_HANDLE_INITIATOR 1 320 # define ISP_HANDLE_TARGET 2 321 #define ISP_HANDLE_SEQ_MASK 0xffff0000 322 #define ISP_HANDLE_SEQ_SHIFT 16 323 #define ISP_H2SEQ(hdl) ((hdl & ISP_HANDLE_SEQ_MASK) >> ISP_HANDLE_SEQ_SHIFT) 324 #define ISP_VALID_INI_HANDLE(c, hdl) \ 325 (ISP_H2HT(hdl) == ISP_HANDLE_INITIATOR && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \ 326 ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_xflist[hdl & ISP_HANDLE_CMD_MASK].handle)) 327 #ifdef ISP_TARGET_MODE 328 #define ISP_VALID_TGT_HANDLE(c, hdl) \ 329 (ISP_H2HT(hdl) == ISP_HANDLE_TARGET && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \ 330 ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_tgtlist[hdl & ISP_HANDLE_CMD_MASK].handle)) 331 #define ISP_VALID_HANDLE(c, hdl) \ 332 (ISP_VALID_INI_HANDLE((c), hdl) || ISP_VALID_TGT_HANDLE((c), hdl)) 333 #else 334 #define ISP_VALID_HANDLE ISP_VALID_INI_HANDLE 335 #endif 336 #define ISP_BAD_HANDLE_INDEX 0xffffffff 337 338 339 /* 340 * FC Port Database entry. 341 * 342 * It has a handle that the f/w uses to address commands to a device. 343 * This handle's value may be assigned by the firmware (e.g., for local loop 344 * devices) or by the driver (e.g., for fabric devices). 345 * 346 * It has a state. If the state if VALID, that means that we've logged into 347 * the device. We also *may* have a initiator map index entry. This is a value 348 * from 0..MAX_FC_TARG that is used to index into the isp_dev_map array. If 349 * the value therein is non-zero, then that value minus one is used to index 350 * into the Port Database to find the handle for forming commands. There is 351 * back-index minus one value within to Port Database entry that tells us 352 * which entry in isp_dev_map points to us (to avoid searching). 353 * 354 * Local loop devices the firmware automatically performs PLOGI on for us 355 * (which is why that handle is imposed upon us). Fabric devices we assign 356 * a handle to and perform the PLOGI on. 357 * 358 * When a PORT DATABASE CHANGED asynchronous event occurs, we mark all VALID 359 * entries as PROBATIONAL. This allows us, if policy says to, just keep track 360 * of devices whose handles change but are otherwise the same device (and 361 * thus keep 'target' constant). 362 * 363 * In any case, we search all possible local loop handles. For each one that 364 * has a port database entity returned, we search for any PROBATIONAL entry 365 * that matches it and update as appropriate. Otherwise, as a new entry, we 366 * find room for it in the Port Database. We *try* and use the handle as the 367 * index to put it into the Database, but that's just an optimization. We mark 368 * the entry VALID and make sure that the target index is updated and correct. 369 * 370 * When we get done searching the local loop, we then search similarily for 371 * a list of devices we've gotten from the fabric name controller (if we're 372 * on a fabric). VALID marking is also done similarily. 373 * 374 * When all of this is done, we can march through the database and clean up 375 * any entry that is still PROBATIONAL (these represent devices which have 376 * departed). Then we're done and can resume normal operations. 377 * 378 * Negative invariants that we try and test for are: 379 * 380 * + There can never be two non-NIL entries with the same { Port, Node } WWN 381 * duples. 382 * 383 * + There can never be two non-NIL entries with the same handle. 384 * 385 * + There can never be two non-NIL entries which have the same dev_map_idx 386 * value. 387 */ 388 typedef struct { 389 /* 390 * This is the handle that the firmware needs in order for us to 391 * send commands to the device. For pre-24XX cards, this would be 392 * the 'loopid'. 393 */ 394 uint16_t handle; 395 396 /* 397 * The dev_map_idx, if nonzero, is the system virtual target ID (+1) 398 * as a cross-reference with the isp_dev_map. 399 * 400 * A device is 'autologin' if the firmware automatically logs into 401 * it (re-logins as needed). Basically, local private loop devices. 402 * 403 * The state is the current state of this entry. 404 * 405 * Role is Initiator, Target, Both 406 * 407 * Portid is obvious, as are node && port WWNs. The new_role and 408 * new_portid is for when we are pending a change. 409 * 410 * The 'target_mode' tag means that this entry arrived via a 411 * target mode command and is immune from normal flushing rules. 412 * You should also never see anything with an initiator role 413 * with this set. 414 */ 415 uint16_t dev_map_idx : 12, 416 autologin : 1, /* F/W does PLOGI/PLOGO */ 417 state : 3; 418 uint32_t reserved : 5, 419 target_mode : 1, 420 roles : 2, 421 portid : 24; 422 uint32_t 423 dirty : 1, /* commands have been run */ 424 new_reserved : 5, 425 new_roles : 2, 426 new_portid : 24; 427 uint64_t node_wwn; 428 uint64_t port_wwn; 429 uint32_t gone_timer; 430 } fcportdb_t; 431 432 #define FC_PORTDB_STATE_NIL 0 433 #define FC_PORTDB_STATE_PROBATIONAL 1 434 #define FC_PORTDB_STATE_DEAD 2 435 #define FC_PORTDB_STATE_CHANGED 3 436 #define FC_PORTDB_STATE_NEW 4 437 #define FC_PORTDB_STATE_PENDING_VALID 5 438 #define FC_PORTDB_STATE_ZOMBIE 6 439 #define FC_PORTDB_STATE_VALID 7 440 441 /* 442 * FC card specific information 443 * 444 * This structure is replicated across multiple channels for multi-id 445 * capapble chipsets, with some entities different on a per-channel basis. 446 */ 447 448 typedef struct { 449 uint32_t 450 link_active : 1, 451 sendmarker : 1, 452 role : 2, 453 isp_gbspeed : 4, 454 isp_loopstate : 4, /* Current Loop State */ 455 isp_fwstate : 4, /* ISP F/W state */ 456 isp_topo : 3, /* Connection Type */ 457 loop_seen_once : 1; 458 459 uint32_t : 8, 460 isp_portid : 24; /* S_ID */ 461 462 463 uint16_t isp_fwoptions; 464 uint16_t isp_xfwoptions; 465 uint16_t isp_zfwoptions; 466 uint16_t isp_loopid; /* hard loop id */ 467 uint16_t isp_sns_hdl; /* N-port handle for SNS */ 468 uint16_t isp_lasthdl; /* only valid for channel 0 */ 469 uint16_t isp_maxalloc; 470 uint16_t isp_fabric_params; 471 uint8_t isp_retry_delay; 472 uint8_t isp_retry_count; 473 474 /* 475 * Current active WWNN/WWPN 476 */ 477 uint64_t isp_wwnn; 478 uint64_t isp_wwpn; 479 480 /* 481 * NVRAM WWNN/WWPN 482 */ 483 uint64_t isp_wwnn_nvram; 484 uint64_t isp_wwpn_nvram; 485 486 /* 487 * Our Port Data Base 488 */ 489 fcportdb_t portdb[MAX_FC_TARG]; 490 491 /* 492 * This maps system virtual 'target' id to a portdb entry. 493 * 494 * The mapping function is to take any non-zero entry and 495 * subtract one to get the portdb index. This means that 496 * entries which are zero are unmapped (i.e., don't exist). 497 */ 498 uint16_t isp_dev_map[MAX_FC_TARG]; 499 500 #ifdef ISP_TARGET_MODE 501 /* 502 * This maps N-Port Handle to portdb entry so we 503 * don't have to search for every incoming command. 504 * 505 * The mapping function is to take any non-zero entry and 506 * subtract one to get the portdb index. This means that 507 * entries which are zero are unmapped (i.e., don't exist). 508 */ 509 uint16_t isp_tgt_map[MAX_NPORT_HANDLE]; 510 #endif 511 512 /* 513 * Scratch DMA mapped in area to fetch Port Database stuff, etc. 514 */ 515 void * isp_scratch; 516 XS_DMA_ADDR_T isp_scdma; 517 } fcparam; 518 519 #define FW_CONFIG_WAIT 0 520 #define FW_WAIT_AL_PA 1 521 #define FW_WAIT_LOGIN 2 522 #define FW_READY 3 523 #define FW_LOSS_OF_SYNC 4 524 #define FW_ERROR 5 525 #define FW_REINIT 6 526 #define FW_NON_PART 7 527 528 #define LOOP_NIL 0 529 #define LOOP_LIP_RCVD 1 530 #define LOOP_PDB_RCVD 2 531 #define LOOP_SCANNING_LOOP 3 532 #define LOOP_LSCAN_DONE 4 533 #define LOOP_SCANNING_FABRIC 5 534 #define LOOP_FSCAN_DONE 6 535 #define LOOP_SYNCING_PDB 7 536 #define LOOP_READY 8 537 538 #define TOPO_NL_PORT 0 539 #define TOPO_FL_PORT 1 540 #define TOPO_N_PORT 2 541 #define TOPO_F_PORT 3 542 #define TOPO_PTP_STUB 4 543 544 /* 545 * Soft Structure per host adapter 546 */ 547 struct ispsoftc { 548 /* 549 * Platform (OS) specific data 550 */ 551 struct isposinfo isp_osinfo; 552 553 /* 554 * Pointer to bus specific functions and data 555 */ 556 struct ispmdvec * isp_mdvec; 557 558 /* 559 * (Mostly) nonvolatile state. Board specific parameters 560 * may contain some volatile state (e.g., current loop state). 561 */ 562 563 void * isp_param; /* type specific */ 564 uint64_t isp_fwattr; /* firmware attributes */ 565 uint16_t isp_fwrev[3]; /* Loaded F/W revision */ 566 uint16_t isp_maxcmds; /* max possible I/O cmds */ 567 uint8_t isp_type; /* HBA Chip Type */ 568 uint8_t isp_revision; /* HBA Chip H/W Revision */ 569 uint16_t isp_nchan; /* number of channels */ 570 uint32_t isp_maxluns; /* maximum luns supported */ 571 572 uint32_t isp_clock : 8, /* input clock */ 573 : 4, 574 isp_port : 1, /* 23XX/24XX only */ 575 isp_open : 1, /* opened (ioctl) */ 576 isp_bustype : 1, /* SBus or PCI */ 577 isp_loaded_fw : 1, /* loaded firmware */ 578 isp_dblev : 16; /* debug log mask */ 579 580 581 uint32_t isp_confopts; /* config options */ 582 583 uint32_t isp_rqstinrp; /* register for REQINP */ 584 uint32_t isp_rqstoutrp; /* register for REQOUTP */ 585 uint32_t isp_respinrp; /* register for RESINP */ 586 uint32_t isp_respoutrp; /* register for RESOUTP */ 587 588 /* 589 * Instrumentation 590 */ 591 uint64_t isp_intcnt; /* total int count */ 592 uint64_t isp_intbogus; /* spurious int count */ 593 uint64_t isp_intmboxc; /* mbox completions */ 594 uint64_t isp_intoasync; /* other async */ 595 uint64_t isp_rsltccmplt; /* CMDs on result q */ 596 uint64_t isp_fphccmplt; /* CMDs via fastpost */ 597 uint16_t isp_rscchiwater; 598 uint16_t isp_fpcchiwater; 599 NANOTIME_T isp_init_time; /* time were last initialized */ 600 601 /* 602 * Volatile state 603 */ 604 605 volatile uint32_t : 8, 606 : 2, 607 isp_dead : 1, 608 : 1, 609 isp_mboxbsy : 1, /* mailbox command active */ 610 isp_state : 3, 611 isp_nactive : 16; /* how many commands active */ 612 volatile mbreg_t isp_curmbx; /* currently active mailbox command */ 613 volatile uint32_t isp_reqodx; /* index of last ISP pickup */ 614 volatile uint32_t isp_reqidx; /* index of next request */ 615 volatile uint32_t isp_residx; /* index of next result */ 616 volatile uint32_t isp_resodx; /* index of next result */ 617 volatile uint32_t isp_obits; /* mailbox command output */ 618 volatile uint32_t isp_serno; /* rolling serial number */ 619 volatile uint16_t isp_mboxtmp[MAX_MAILBOX]; 620 volatile uint16_t isp_lastmbxcmd; /* last mbox command sent */ 621 volatile uint16_t isp_mbxwrk0; 622 volatile uint16_t isp_mbxwrk1; 623 volatile uint16_t isp_mbxwrk2; 624 volatile uint16_t isp_mbxwrk8; 625 volatile uint16_t isp_seqno; /* running sequence number */ 626 void * isp_mbxworkp; 627 628 /* 629 * Active commands are stored here, indexed by handle functions. 630 */ 631 isp_hdl_t *isp_xflist; 632 isp_hdl_t *isp_xffree; 633 634 #ifdef ISP_TARGET_MODE 635 /* 636 * Active target commands are stored here, indexed by handle functions. 637 */ 638 isp_hdl_t *isp_tgtlist; 639 isp_hdl_t *isp_tgtfree; 640 #endif 641 642 /* 643 * request/result queue pointers and DMA handles for them. 644 */ 645 void * isp_rquest; 646 void * isp_result; 647 XS_DMA_ADDR_T isp_rquest_dma; 648 XS_DMA_ADDR_T isp_result_dma; 649 #ifdef ISP_TARGET_MODE 650 /* for 24XX only */ 651 void * isp_atioq; 652 XS_DMA_ADDR_T isp_atioq_dma; 653 #endif 654 }; 655 656 #define SDPARAM(isp, chan) (&((sdparam *)(isp)->isp_param)[(chan)]) 657 #define FCPARAM(isp, chan) (&((fcparam *)(isp)->isp_param)[(chan)]) 658 659 #define ISP_SET_SENDMARKER(isp, chan, val) \ 660 if (IS_FC(isp)) { \ 661 FCPARAM(isp, chan)->sendmarker = val; \ 662 } else { \ 663 SDPARAM(isp, chan)->sendmarker = val; \ 664 } 665 666 #define ISP_TST_SENDMARKER(isp, chan) \ 667 (IS_FC(isp)? \ 668 FCPARAM(isp, chan)->sendmarker != 0 : \ 669 SDPARAM(isp, chan)->sendmarker != 0) 670 671 /* 672 * ISP Driver Run States 673 */ 674 #define ISP_NILSTATE 0 675 #define ISP_CRASHED 1 676 #define ISP_RESETSTATE 2 677 #define ISP_INITSTATE 3 678 #define ISP_RUNSTATE 4 679 680 /* 681 * ISP Runtime Configuration Options 682 */ 683 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ 684 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ 685 #define ISP_CFG_TWOGB 0x20 /* force 2GB connection (23XX only) */ 686 #define ISP_CFG_ONEGB 0x10 /* force 1GB connection (23XX only) */ 687 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ 688 #define ISP_CFG_PORT_PREF 0x0C /* Mask for Port Prefs (2200 only) */ 689 #define ISP_CFG_LPORT 0x00 /* prefer {N/F}L-Port connection */ 690 #define ISP_CFG_NPORT 0x04 /* prefer {N/F}-Port connection */ 691 #define ISP_CFG_NPORT_ONLY 0x08 /* insist on {N/F}-Port connection */ 692 #define ISP_CFG_LPORT_ONLY 0x0C /* insist on {N/F}L-Port connection */ 693 #define ISP_CFG_OWNFSZ 0x400 /* override NVRAM frame size */ 694 #define ISP_CFG_OWNLOOPID 0x800 /* override NVRAM loopid */ 695 #define ISP_CFG_OWNEXCTHROTTLE 0x1000 /* override NVRAM execution throttle */ 696 #define ISP_CFG_FOURGB 0x2000 /* force 4GB connection (24XX only) */ 697 #define ISP_CFG_EIGHTGB 0x4000 /* force 8GB connection (25XX only) */ 698 699 /* 700 * For each channel, the outer layers should know what role that channel 701 * will take: ISP_ROLE_NONE, ISP_ROLE_INITIATOR, ISP_ROLE_TARGET, 702 * ISP_ROLE_BOTH. 703 * 704 * If you set ISP_ROLE_NONE, the cards will be reset, new firmware loaded, 705 * NVRAM read, and defaults set, but any further initialization (e.g. 706 * INITIALIZE CONTROL BLOCK commands for 2X00 cards) won't be done. 707 * 708 * If INITIATOR MODE isn't set, attempts to run commands will be stopped 709 * at isp_start and completed with the equivalent of SELECTION TIMEOUT. 710 * 711 * If TARGET MODE is set, it doesn't mean that the rest of target mode support 712 * needs to be enabled, or will even work. What happens with the 2X00 cards 713 * here is that if you have enabled it with TARGET MODE as part of the ICB 714 * options, but you haven't given the f/w any ram resources for ATIOs or 715 * Immediate Notifies, the f/w just handles what it can and you never see 716 * anything. Basically, it sends a single byte of data (the first byte, 717 * which you can set as part of the INITIALIZE CONTROL BLOCK command) for 718 * INQUIRY, and sends back QUEUE FULL status for any other command. 719 * 720 */ 721 #define ISP_ROLE_NONE 0x0 722 #define ISP_ROLE_TARGET 0x1 723 #define ISP_ROLE_INITIATOR 0x2 724 #define ISP_ROLE_BOTH (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR) 725 #define ISP_ROLE_EITHER ISP_ROLE_BOTH 726 #ifndef ISP_DEFAULT_ROLES 727 /* 728 * Counterintuitively, we prefer to default to role 'none' 729 * if we are enable target mode support. This gives us the 730 * maximum flexibility as to which port will do what. 731 */ 732 #ifdef ISP_TARGET_MODE 733 #define ISP_DEFAULT_ROLES ISP_ROLE_NONE 734 #else 735 #define ISP_DEFAULT_ROLES ISP_ROLE_INITIATOR 736 #endif 737 #endif 738 739 740 /* 741 * Firmware related defines 742 */ 743 #define ISP_CODE_ORG 0x1000 /* default f/w code start */ 744 #define ISP_CODE_ORG_2300 0x0800 /* ..except for 2300s */ 745 #define ISP_CODE_ORG_2400 0x100000 /* ..and 2400s */ 746 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 747 #define ISP_FW_MAJOR(code) ((code >> 24) & 0xff) 748 #define ISP_FW_MINOR(code) ((code >> 16) & 0xff) 749 #define ISP_FW_MICRO(code) ((code >> 8) & 0xff) 750 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 751 #define ISP_FW_MAJORX(xp) (xp[0]) 752 #define ISP_FW_MINORX(xp) (xp[1]) 753 #define ISP_FW_MICROX(xp) (xp[2]) 754 #define ISP_FW_NEWER_THAN(i, major, minor, micro) \ 755 (ISP_FW_REVX((i)->isp_fwrev) > ISP_FW_REV(major, minor, micro)) 756 #define ISP_FW_OLDER_THAN(i, major, minor, micro) \ 757 (ISP_FW_REVX((i)->isp_fwrev) < ISP_FW_REV(major, minor, micro)) 758 759 /* 760 * Bus (implementation) types 761 */ 762 #define ISP_BT_PCI 0 /* PCI Implementations */ 763 #define ISP_BT_SBUS 1 /* SBus Implementations */ 764 765 /* 766 * If we have not otherwise defined SBus support away make sure 767 * it is defined here such that the code is included as default 768 */ 769 #ifndef ISP_SBUS_SUPPORTED 770 #define ISP_SBUS_SUPPORTED 1 771 #endif 772 773 /* 774 * Chip Types 775 */ 776 #define ISP_HA_SCSI 0xf 777 #define ISP_HA_SCSI_UNKNOWN 0x1 778 #define ISP_HA_SCSI_1020 0x2 779 #define ISP_HA_SCSI_1020A 0x3 780 #define ISP_HA_SCSI_1040 0x4 781 #define ISP_HA_SCSI_1040A 0x5 782 #define ISP_HA_SCSI_1040B 0x6 783 #define ISP_HA_SCSI_1040C 0x7 784 #define ISP_HA_SCSI_1240 0x8 785 #define ISP_HA_SCSI_1080 0x9 786 #define ISP_HA_SCSI_1280 0xa 787 #define ISP_HA_SCSI_10160 0xb 788 #define ISP_HA_SCSI_12160 0xc 789 #define ISP_HA_FC 0xf0 790 #define ISP_HA_FC_2100 0x10 791 #define ISP_HA_FC_2200 0x20 792 #define ISP_HA_FC_2300 0x30 793 #define ISP_HA_FC_2312 0x40 794 #define ISP_HA_FC_2322 0x50 795 #define ISP_HA_FC_2400 0x60 796 #define ISP_HA_FC_2500 0x70 797 798 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 799 #define IS_1020(isp) (isp->isp_type < ISP_HA_SCSI_1240) 800 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 801 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 802 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 803 #define IS_10160(isp) (isp->isp_type == ISP_HA_SCSI_10160) 804 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160) 805 806 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp)) 807 #define IS_1X160(isp) (IS_10160(isp) || IS_12160(isp)) 808 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp)) 809 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_1X160(isp)) 810 #define IS_ULTRA3(isp) (IS_1X160(isp)) 811 812 #define IS_FC(isp) ((isp)->isp_type & ISP_HA_FC) 813 #define IS_2100(isp) ((isp)->isp_type == ISP_HA_FC_2100) 814 #define IS_2200(isp) ((isp)->isp_type == ISP_HA_FC_2200) 815 #define IS_23XX(isp) ((isp)->isp_type >= ISP_HA_FC_2300 && \ 816 (isp)->isp_type < ISP_HA_FC_2400) 817 #define IS_2300(isp) ((isp)->isp_type == ISP_HA_FC_2300) 818 #define IS_2312(isp) ((isp)->isp_type == ISP_HA_FC_2312) 819 #define IS_2322(isp) ((isp)->isp_type == ISP_HA_FC_2322) 820 #define IS_24XX(isp) ((isp)->isp_type >= ISP_HA_FC_2400) 821 #define IS_25XX(isp) ((isp)->isp_type >= ISP_HA_FC_2500) 822 823 /* 824 * DMA related macros 825 */ 826 #define DMA_WD3(x) (((uint16_t)(((uint64_t)x) >> 48)) & 0xffff) 827 #define DMA_WD2(x) (((uint16_t)(((uint64_t)x) >> 32)) & 0xffff) 828 #define DMA_WD1(x) ((uint16_t)((x) >> 16) & 0xffff) 829 #define DMA_WD0(x) ((uint16_t)((x) & 0xffff)) 830 831 #define DMA_LO32(x) ((uint32_t) (x)) 832 #define DMA_HI32(x) ((uint32_t)(((uint64_t)x) >> 32)) 833 834 /* 835 * Core System Function Prototypes 836 */ 837 838 /* 839 * Reset Hardware. Totally. Assumes that you'll follow this with a call to isp_init. 840 */ 841 void isp_reset(ispsoftc_t *, int); 842 843 /* 844 * Initialize Hardware to known state 845 */ 846 void isp_init(ispsoftc_t *); 847 848 /* 849 * Reset the ISP and call completion for any orphaned commands. 850 */ 851 void isp_reinit(ispsoftc_t *, int); 852 853 /* 854 * Internal Interrupt Service Routine 855 * 856 * The outer layers do the spade work to get the appropriate status register, 857 * semaphore register and first mailbox register (if appropriate). This also 858 * means that most spurious/bogus interrupts not for us can be filtered first. 859 */ 860 void isp_intr(ispsoftc_t *, uint32_t, uint16_t, uint16_t); 861 862 863 /* 864 * Command Entry Point- Platform Dependent layers call into this 865 */ 866 int isp_start(XS_T *); 867 868 /* these values are what isp_start returns */ 869 #define CMD_COMPLETE 101 /* command completed */ 870 #define CMD_EAGAIN 102 /* busy- maybe retry later */ 871 #define CMD_QUEUED 103 /* command has been queued for execution */ 872 #define CMD_RQLATER 104 /* requeue this command later */ 873 874 /* 875 * Command Completion Point- Core layers call out from this with completed cmds 876 */ 877 void isp_done(XS_T *); 878 879 /* 880 * Platform Dependent to External to Internal Control Function 881 * 882 * Assumes locks are held on entry. You should note that with many of 883 * these commands locks may be released while this function is called. 884 * 885 * ... ISPCTL_RESET_BUS, int channel); 886 * Reset BUS on this channel 887 * ... ISPCTL_RESET_DEV, int channel, int target); 888 * Reset Device on this channel at this target. 889 * ... ISPCTL_ABORT_CMD, XS_T *xs); 890 * Abort active transaction described by xs. 891 * ... IPCTL_UPDATE_PARAMS); 892 * Update any operating parameters (speed, etc.) 893 * ... ISPCTL_FCLINK_TEST, int channel); 894 * Test FC link status on this channel 895 * ... ISPCTL_SCAN_FABRIC, int channel); 896 * Scan fabric on this channel 897 * ... ISPCTL_SCAN_LOOP, int channel); 898 * Scan local loop on this channel 899 * ... ISPCTL_PDB_SYNC, int channel); 900 * Synchronize port database on this channel 901 * ... ISPCTL_SEND_LIP, int channel); 902 * Send a LIP on this channel 903 * ... ISPCTL_GET_NAMES, int channel, int np, uint64_t *wwnn, uint64_t *wwpn) 904 * Get a WWNN/WWPN for this N-port handle on this channel 905 * ... ISPCTL_RUN_MBOXCMD, mbreg_t *mbp) 906 * Run this mailbox command 907 * ... ISPCTL_GET_PDB, int channel, int nphandle, isp_pdb_t *pdb) 908 * Get PDB on this channel for this N-port handle 909 * ... ISPCTL_PLOGX, isp_plcmd_t *) 910 * Performa a port login/logout 911 * 912 * ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in 913 * order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_FABRIC, and ISPCTL_SCAN_LOOP. 914 * The main purpose of ISPCTL_PDB_SYNC is to complete management of logging 915 * and logging out of fabric devices (if one is on a fabric) and then marking 916 * the 'loop state' as being ready to now be used for sending commands to 917 * devices. Originally fabric name server and local loop scanning were 918 * part of this function. It's now been separated to allow for finer control. 919 */ 920 typedef enum { 921 ISPCTL_RESET_BUS, 922 ISPCTL_RESET_DEV, 923 ISPCTL_ABORT_CMD, 924 ISPCTL_UPDATE_PARAMS, 925 ISPCTL_FCLINK_TEST, 926 ISPCTL_SCAN_FABRIC, 927 ISPCTL_SCAN_LOOP, 928 ISPCTL_PDB_SYNC, 929 ISPCTL_SEND_LIP, 930 ISPCTL_GET_NAMES, 931 ISPCTL_RUN_MBOXCMD, 932 ISPCTL_GET_PDB, 933 ISPCTL_PLOGX 934 } ispctl_t; 935 int isp_control(ispsoftc_t *, ispctl_t, ...); 936 937 /* 938 * Platform Dependent to Internal to External Control Function 939 */ 940 941 typedef enum { 942 ISPASYNC_NEW_TGT_PARAMS, /* SPI New Target Parameters */ 943 ISPASYNC_BUS_RESET, /* All Bus Was Reset */ 944 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 945 ISPASYNC_LOOP_UP, /* FC Loop Up */ 946 ISPASYNC_LIP, /* FC LIP Received */ 947 ISPASYNC_LOOP_RESET, /* FC Loop Reset Received */ 948 ISPASYNC_CHANGE_NOTIFY, /* FC Change Notification */ 949 ISPASYNC_DEV_ARRIVED, /* FC Device Arrived */ 950 ISPASYNC_DEV_CHANGED, /* FC Device Changed */ 951 ISPASYNC_DEV_STAYED, /* FC Device Stayed */ 952 ISPASYNC_DEV_GONE, /* FC Device Departure */ 953 ISPASYNC_TARGET_NOTIFY, /* All target async notification */ 954 ISPASYNC_TARGET_ACTION, /* All target action requested */ 955 ISPASYNC_FW_CRASH, /* All Firmware has crashed */ 956 ISPASYNC_FW_RESTARTED /* All Firmware has been restarted */ 957 } ispasync_t; 958 void isp_async(ispsoftc_t *, ispasync_t, ...); 959 960 #define ISPASYNC_CHANGE_PDB 0 961 #define ISPASYNC_CHANGE_SNS 1 962 #define ISPASYNC_CHANGE_OTHER 2 963 964 /* 965 * Platform Independent Error Prinout 966 */ 967 void isp_prt_endcmd(ispsoftc_t *, XS_T *); 968 969 /* 970 * Platform Dependent Error and Debug Printout 971 * 972 * Two required functions for each platform must be provided: 973 * 974 * void isp_prt(ispsoftc_t *, int level, const char *, ...) 975 * void isp_xs_prt(ispsoftc_t *, XS_T *, int level, const char *, ...) 976 * 977 * but due to compiler differences on different platforms this won't be 978 * formally defined here. Instead, they go in each platform definition file. 979 */ 980 981 #define ISP_LOGALL 0x0 /* log always */ 982 #define ISP_LOGCONFIG 0x1 /* log configuration messages */ 983 #define ISP_LOGINFO 0x2 /* log informational messages */ 984 #define ISP_LOGWARN 0x4 /* log warning messages */ 985 #define ISP_LOGERR 0x8 /* log error messages */ 986 #define ISP_LOGDEBUG0 0x10 /* log simple debug messages */ 987 #define ISP_LOGDEBUG1 0x20 /* log intermediate debug messages */ 988 #define ISP_LOGDEBUG2 0x40 /* log most debug messages */ 989 #define ISP_LOGDEBUG3 0x80 /* log high frequency debug messages */ 990 #define ISP_LOGSANCFG 0x100 /* log SAN configuration */ 991 #define ISP_LOG_CWARN 0x200 /* log SCSI command "warnings" (e.g., check conditions) */ 992 #define ISP_LOGTINFO 0x1000 /* log informational messages (target mode) */ 993 #define ISP_LOGTDEBUG0 0x2000 /* log simple debug messages (target mode) */ 994 #define ISP_LOGTDEBUG1 0x4000 /* log intermediate debug messages (target) */ 995 #define ISP_LOGTDEBUG2 0x8000 /* log all debug messages (target) */ 996 997 /* 998 * Each Platform provides it's own isposinfo substructure of the ispsoftc 999 * defined above. 1000 * 1001 * Each platform must also provide the following macros/defines: 1002 * 1003 * 1004 * ISP_FC_SCRLEN FC scratch area DMA length 1005 * 1006 * ISP_MEMZERO(dst, src) platform zeroing function 1007 * ISP_MEMCPY(dst, src, count) platform copying function 1008 * ISP_SNPRINTF(buf, bufsize, fmt, ...) snprintf 1009 * ISP_DELAY(usecs) microsecond spindelay function 1010 * ISP_SLEEP(isp, usecs) microsecond sleep function 1011 * 1012 * ISP_INLINE ___inline or not- depending on how 1013 * good your debugger is 1014 * ISP_MIN shorthand for ((a) < (b))? (a) : (b) 1015 * 1016 * NANOTIME_T nanosecond time type 1017 * 1018 * GET_NANOTIME(NANOTIME_T *) get current nanotime. 1019 * 1020 * GET_NANOSEC(NANOTIME_T *) get uint64_t from NANOTIME_T 1021 * 1022 * NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *) 1023 * subtract two NANOTIME_T values 1024 * 1025 * MAXISPREQUEST(ispsoftc_t *) maximum request queue size 1026 * for this particular board type 1027 * 1028 * MEMORYBARRIER(ispsoftc_t *, barrier_type, offset, size, chan) 1029 * 1030 * Function/Macro the provides memory synchronization on 1031 * various objects so that the ISP's and the system's view 1032 * of the same object is consistent. 1033 * 1034 * MBOX_ACQUIRE(ispsoftc_t *) acquire lock on mailbox regs 1035 * MBOX_WAIT_COMPLETE(ispsoftc_t *, mbreg_t *) wait for cmd to be done 1036 * MBOX_NOTIFY_COMPLETE(ispsoftc_t *) notification of mbox cmd donee 1037 * MBOX_RELEASE(ispsoftc_t *) release lock on mailbox regs 1038 * 1039 * FC_SCRATCH_ACQUIRE(ispsoftc_t *, chan) acquire lock on FC scratch area 1040 * return -1 if you cannot 1041 * FC_SCRATCH_RELEASE(ispsoftc_t *, chan) acquire lock on FC scratch area 1042 * 1043 * FCP_NEXT_CRN(ispsoftc_t *, XS_T *, rslt, channel, target, lun) generate the next command reference number. XS_T * may be null. 1044 * 1045 * SCSI_GOOD SCSI 'Good' Status 1046 * SCSI_CHECK SCSI 'Check Condition' Status 1047 * SCSI_BUSY SCSI 'Busy' Status 1048 * SCSI_QFULL SCSI 'Queue Full' Status 1049 * 1050 * XS_T Platform SCSI transaction type (i.e., command for HBA) 1051 * XS_DMA_ADDR_T Platform PCI DMA Address Type 1052 * XS_GET_DMA_SEG(..) Get 32 bit dma segment list value 1053 * XS_GET_DMA64_SEG(..) Get 64 bit dma segment list value 1054 * XS_ISP(xs) gets an instance out of an XS_T 1055 * XS_CHANNEL(xs) gets the channel (bus # for DUALBUS cards) "" 1056 * XS_TGT(xs) gets the target "" 1057 * XS_LUN(xs) gets the lun "" 1058 * XS_CDBP(xs) gets a pointer to the scsi CDB "" 1059 * XS_CDBLEN(xs) gets the CDB's length "" 1060 * XS_XFRLEN(xs) gets the associated data transfer length "" 1061 * XS_TIME(xs) gets the time (in milliseconds) for this command 1062 * XS_GET_RESID(xs) gets the current residual count 1063 * XS_GET_RESID(xs, resid) sets the current residual count 1064 * XS_STSP(xs) gets a pointer to the SCSI status byte "" 1065 * XS_SNSP(xs) gets a pointer to the associate sense data 1066 * XS_SNSLEN(xs) gets the length of sense data storage 1067 * XS_SNSKEY(xs) dereferences XS_SNSP to get the current stored Sense Key 1068 * XS_SNSASC(xs) dereferences XS_SNSP to get the current stored Additional Sense Code 1069 * XS_SNSASCQ(xs) dereferences XS_SNSP to get the current stored Additional Sense Code Qualifier 1070 * XS_TAG_P(xs) predicate of whether this command should be tagged 1071 * XS_TAG_TYPE(xs) which type of tag to use 1072 * XS_SETERR(xs) set error state 1073 * 1074 * HBA_NOERROR command has no erros 1075 * HBA_BOTCH hba botched something 1076 * HBA_CMDTIMEOUT command timed out 1077 * HBA_SELTIMEOUT selection timed out (also port logouts for FC) 1078 * HBA_TGTBSY target returned a BUSY status 1079 * HBA_BUSRESET bus reset destroyed command 1080 * HBA_ABORTED command was aborted (by request) 1081 * HBA_DATAOVR a data overrun was detected 1082 * HBA_ARQFAIL Automatic Request Sense failed 1083 * 1084 * XS_ERR(xs) return current error state 1085 * XS_NOERR(xs) there is no error currently set 1086 * XS_INITERR(xs) initialize error state 1087 * 1088 * XS_SAVE_SENSE(xs, sp, len) save sense data 1089 * 1090 * XS_SENSE_VALID(xs) indicates whether sense is valid 1091 * 1092 * DEFAULT_FRAMESIZE(ispsoftc_t *) Default Frame Size 1093 * DEFAULT_EXEC_THROTTLE(ispsoftc_t *) Default Execution Throttle 1094 * 1095 * GET_DEFAULT_ROLE(ispsoftc_t *, int) Get Default Role for a channel 1096 * SET_DEFAULT_ROLE(ispsoftc_t *, int, int) Set Default Role for a channel 1097 * DEFAULT_IID(ispsoftc_t *, int) Default SCSI initiator ID 1098 * DEFAULT_LOOPID(ispsoftc_t *, int) Default FC Loop ID 1099 * 1100 * These establish reasonable defaults for each platform. 1101 * These must be available independent of card NVRAM and are 1102 * to be used should NVRAM not be readable. 1103 * 1104 * DEFAULT_NODEWWN(ispsoftc_t *, chan) Default FC Node WWN to use 1105 * DEFAULT_PORTWWN(ispsoftc_t *, chan) Default FC Port WWN to use 1106 * 1107 * These defines are hooks to allow the setting of node and 1108 * port WWNs when NVRAM cannot be read or is to be overriden. 1109 * 1110 * ACTIVE_NODEWWN(ispsoftc_t *, chan) FC Node WWN to use 1111 * ACTIVE_PORTWWN(ispsoftc_t *, chan) FC Port WWN to use 1112 * 1113 * After NVRAM is read, these will be invoked to get the 1114 * node and port WWNs that will actually be used for this 1115 * channel. 1116 * 1117 * 1118 * ISP_IOXPUT_8(ispsoftc_t *, uint8_t srcval, uint8_t *dstptr) 1119 * ISP_IOXPUT_16(ispsoftc_t *, uint16_t srcval, uint16_t *dstptr) 1120 * ISP_IOXPUT_32(ispsoftc_t *, uint32_t srcval, uint32_t *dstptr) 1121 * 1122 * ISP_IOXGET_8(ispsoftc_t *, uint8_t *srcptr, uint8_t dstrval) 1123 * ISP_IOXGET_16(ispsoftc_t *, uint16_t *srcptr, uint16_t dstrval) 1124 * ISP_IOXGET_32(ispsoftc_t *, uint32_t *srcptr, uint32_t dstrval) 1125 * 1126 * ISP_SWIZZLE_NVRAM_WORD(ispsoftc_t *, uint16_t *) 1127 * ISP_SWIZZLE_NVRAM_LONG(ispsoftc_t *, uint32_t *) 1128 * ISP_SWAP16(ispsoftc_t *, uint16_t srcval) 1129 * ISP_SWAP32(ispsoftc_t *, uint32_t srcval) 1130 */ 1131 1132 #ifdef ISP_TARGET_MODE 1133 /* 1134 * The functions below are for the publicly available 1135 * target mode functions that are internal to the Qlogic driver. 1136 */ 1137 1138 /* 1139 * This function handles new response queue entry appropriate for target mode. 1140 */ 1141 int isp_target_notify(ispsoftc_t *, void *, uint32_t *); 1142 1143 /* 1144 * This function externalizes the ability to acknowledge an Immediate Notify request. 1145 */ 1146 int isp_notify_ack(ispsoftc_t *, void *); 1147 1148 /* 1149 * This function externalized acknowledging (success/fail) an ABTS frame 1150 */ 1151 int isp_acknak_abts(ispsoftc_t *, void *, int); 1152 1153 /* 1154 * Enable/Disable/Modify a logical unit. 1155 * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt) 1156 */ 1157 #define DFLT_CMND_CNT 0xfe /* unmonitored */ 1158 #define DFLT_INOT_CNT 0xfe /* unmonitored */ 1159 int isp_lun_cmd(ispsoftc_t *, int, int, int, int, int); 1160 1161 /* 1162 * General request queue 'put' routine for target mode entries. 1163 */ 1164 int isp_target_put_entry(ispsoftc_t *isp, void *); 1165 1166 /* 1167 * General routine to put back an ATIO entry- 1168 * used for replenishing f/w resource counts. 1169 * The argument is a pointer to a source ATIO 1170 * or ATIO2. 1171 */ 1172 int isp_target_put_atio(ispsoftc_t *, void *); 1173 1174 /* 1175 * General routine to send a final CTIO for a command- used mostly for 1176 * local responses. 1177 */ 1178 int isp_endcmd(ispsoftc_t *, ...); 1179 #define ECMD_SVALID 0x100 1180 #define ECMD_TERMINATE 0x200 1181 1182 /* 1183 * Handle an asynchronous event 1184 * 1185 * Return nonzero if the interrupt that generated this event has been dismissed. 1186 */ 1187 int isp_target_async(ispsoftc_t *, int, int); 1188 #endif 1189 #endif /* _ISPVAR_H */ 1190