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 *, uint16_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 1024 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, info) \ 90 (*(isp)->isp_mdvec->dv_rd_isr)(isp, isrp, semap, info) 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 isp_req_ack_active_neg : 1, 175 isp_data_line_active_neg: 1, 176 isp_cmd_dma_burst_enable: 1, 177 isp_data_dma_burst_enabl: 1, 178 isp_fifo_threshold : 3, 179 isp_ptisp : 1, 180 isp_ultramode : 1, 181 isp_diffmode : 1, 182 isp_lvdmode : 1, 183 isp_fast_mttr : 1, /* fast sram */ 184 isp_initiator_id : 4, 185 isp_async_data_setup : 4; 186 uint16_t isp_selection_timeout; 187 uint16_t isp_max_queue_depth; 188 uint8_t isp_tag_aging; 189 uint8_t isp_bus_reset_delay; 190 uint8_t isp_retry_count; 191 uint8_t isp_retry_delay; 192 struct { 193 uint32_t 194 exc_throttle : 8, 195 : 1, 196 dev_enable : 1, /* ignored */ 197 dev_update : 1, 198 dev_refresh : 1, 199 actv_offset : 4, 200 goal_offset : 4, 201 nvrm_offset : 4; 202 uint8_t actv_period; /* current sync period */ 203 uint8_t goal_period; /* goal sync period */ 204 uint8_t nvrm_period; /* nvram sync period */ 205 uint16_t actv_flags; /* current device flags */ 206 uint16_t goal_flags; /* goal device flags */ 207 uint16_t nvrm_flags; /* nvram device flags */ 208 } isp_devparam[MAX_TARGETS]; 209 } sdparam; 210 211 /* 212 * Device Flags 213 */ 214 #define DPARM_DISC 0x8000 215 #define DPARM_PARITY 0x4000 216 #define DPARM_WIDE 0x2000 217 #define DPARM_SYNC 0x1000 218 #define DPARM_TQING 0x0800 219 #define DPARM_ARQ 0x0400 220 #define DPARM_QFRZ 0x0200 221 #define DPARM_RENEG 0x0100 222 #define DPARM_NARROW 0x0080 223 #define DPARM_ASYNC 0x0040 224 #define DPARM_PPR 0x0020 225 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ) 226 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING)) 227 228 /* technically, not really correct, as they need to be rated based upon clock */ 229 #define ISP_80M_SYNCPARMS 0x0c09 230 #define ISP_40M_SYNCPARMS 0x0c0a 231 #define ISP_20M_SYNCPARMS 0x0c0c 232 #define ISP_20M_SYNCPARMS_1040 0x080c 233 #define ISP_10M_SYNCPARMS 0x0c19 234 #define ISP_08M_SYNCPARMS 0x0c25 235 #define ISP_05M_SYNCPARMS 0x0c32 236 #define ISP_04M_SYNCPARMS 0x0c41 237 238 /* 239 * Fibre Channel Specifics 240 */ 241 /* These are for non-2K Login Firmware cards */ 242 #define FL_ID 0x7e /* FL_Port Special ID */ 243 #define SNS_ID 0x80 /* SNS Server Special ID */ 244 #define NPH_MAX 0xfe 245 246 /* These are for 2K Login Firmware cards */ 247 #define NPH_RESERVED 0x7F0 /* begin of reserved N-port handles */ 248 #define NPH_MGT_ID 0x7FA /* Management Server Special ID */ 249 #define NPH_SNS_ID 0x7FC /* SNS Server Special ID */ 250 #define NPH_FABRIC_CTLR 0x7FD /* Fabric Controller (0xFFFFFD) */ 251 #define NPH_FL_ID 0x7FE /* F Port Special ID (0xFFFFFE) */ 252 #define NPH_IP_BCST 0x7FF /* IP Broadcast Special ID (0xFFFFFF) */ 253 #define NPH_MAX_2K 0x800 254 255 /* 256 * "Unassigned" handle to be used internally 257 */ 258 #define NIL_HANDLE 0xffff 259 260 /* 261 * Limit for devices on an arbitrated loop. 262 */ 263 #define LOCAL_LOOP_LIM 126 264 265 /* 266 * Limit for (2K login) N-port handle amounts 267 */ 268 #define MAX_NPORT_HANDLE 2048 269 270 /* 271 * Special Constants 272 */ 273 #define INI_NONE ((uint64_t) 0) 274 #define ISP_NOCHAN 0xff 275 276 /* 277 * Special Port IDs 278 */ 279 #define MANAGEMENT_PORT_ID 0xFFFFFA 280 #define SNS_PORT_ID 0xFFFFFC 281 #define FABRIC_PORT_ID 0xFFFFFE 282 #define PORT_ANY 0xFFFFFF 283 #define PORT_NONE 0 284 #define VALID_PORT(port) (port != PORT_NONE && port != PORT_ANY) 285 #define DOMAIN_CONTROLLER_BASE 0xFFFC00 286 #define DOMAIN_CONTROLLER_END 0xFFFCFF 287 288 /* 289 * Command Handles 290 * 291 * Most QLogic initiator or target have 32 bit handles associated with them. 292 * We want to have a quick way to index back and forth between a local SCSI 293 * command context and what the firmware is passing back to us. We also 294 * want to avoid working on stale information. This structure handles both 295 * at the expense of some local memory. 296 * 297 * The handle is architected thusly: 298 * 299 * 0 means "free handle" 300 * bits 0..12 index commands 301 * bits 13..15 bits index usage 302 * bits 16..31 contain a rolling sequence 303 * 304 * 305 */ 306 typedef struct { 307 void * cmd; /* associated command context */ 308 uint32_t handle; /* handle associated with this command */ 309 } isp_hdl_t; 310 #define ISP_HANDLE_FREE 0x00000000 311 #define ISP_HANDLE_CMD_MASK 0x00001fff 312 #define ISP_HANDLE_USAGE_MASK 0x0000e000 313 #define ISP_HANDLE_USAGE_SHIFT 13 314 #define ISP_H2HT(hdl) ((hdl & ISP_HANDLE_USAGE_MASK) >> ISP_HANDLE_USAGE_SHIFT) 315 # define ISP_HANDLE_NONE 0 316 # define ISP_HANDLE_INITIATOR 1 317 # define ISP_HANDLE_TARGET 2 318 # define ISP_HANDLE_CTRL 3 319 #define ISP_HANDLE_SEQ_MASK 0xffff0000 320 #define ISP_HANDLE_SEQ_SHIFT 16 321 #define ISP_H2SEQ(hdl) ((hdl & ISP_HANDLE_SEQ_MASK) >> ISP_HANDLE_SEQ_SHIFT) 322 #define ISP_VALID_HANDLE(c, hdl) \ 323 ((ISP_H2HT(hdl) == ISP_HANDLE_INITIATOR || \ 324 ISP_H2HT(hdl) == ISP_HANDLE_TARGET || \ 325 ISP_H2HT(hdl) == ISP_HANDLE_CTRL) && \ 326 ((hdl) & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \ 327 (hdl) == ((c)->isp_xflist[(hdl) & ISP_HANDLE_CMD_MASK].handle)) 328 #define ISP_BAD_HANDLE_INDEX 0xffffffff 329 330 331 /* 332 * FC Port Database entry. 333 * 334 * It has a handle that the f/w uses to address commands to a device. 335 * This handle's value may be assigned by the firmware (e.g., for local loop 336 * devices) or by the driver (e.g., for fabric devices). 337 * 338 * It has a state. If the state if VALID, that means that we've logged into 339 * the device. 340 * 341 * Local loop devices the firmware automatically performs PLOGI on for us 342 * (which is why that handle is imposed upon us). Fabric devices we assign 343 * a handle to and perform the PLOGI on. 344 * 345 * When a PORT DATABASE CHANGED asynchronous event occurs, we mark all VALID 346 * entries as PROBATIONAL. This allows us, if policy says to, just keep track 347 * of devices whose handles change but are otherwise the same device (and 348 * thus keep 'target' constant). 349 * 350 * In any case, we search all possible local loop handles. For each one that 351 * has a port database entity returned, we search for any PROBATIONAL entry 352 * that matches it and update as appropriate. Otherwise, as a new entry, we 353 * find room for it in the Port Database. We *try* and use the handle as the 354 * index to put it into the Database, but that's just an optimization. We mark 355 * the entry VALID and make sure that the target index is updated and correct. 356 * 357 * When we get done searching the local loop, we then search similarily for 358 * a list of devices we've gotten from the fabric name controller (if we're 359 * on a fabric). VALID marking is also done similarily. 360 * 361 * When all of this is done, we can march through the database and clean up 362 * any entry that is still PROBATIONAL (these represent devices which have 363 * departed). Then we're done and can resume normal operations. 364 * 365 * Negative invariants that we try and test for are: 366 * 367 * + There can never be two non-NIL entries with the same { Port, Node } WWN 368 * duples. 369 * 370 * + There can never be two non-NIL entries with the same handle. 371 */ 372 typedef struct { 373 /* 374 * This is the handle that the firmware needs in order for us to 375 * send commands to the device. For pre-24XX cards, this would be 376 * the 'loopid'. 377 */ 378 uint16_t handle; 379 380 /* 381 * A device is 'autologin' if the firmware automatically logs into 382 * it (re-logins as needed). Basically, local private loop devices. 383 * 384 * PRLI word 3 parameters contains role as well as other things. 385 * 386 * The state is the current state of this entry. 387 * 388 * The is_target is the current state of target on this port. 389 * 390 * The is_initiator is the current state of initiator on this port. 391 * 392 * Portid is obvious, as are node && port WWNs. The new_role and 393 * new_portid is for when we are pending a change. 394 */ 395 uint16_t prli_word3; /* PRLI parameters */ 396 uint16_t new_prli_word3; /* Incoming new PRLI parameters */ 397 uint16_t : 11, 398 autologin : 1, /* F/W does PLOGI/PLOGO */ 399 probational : 1, 400 state : 3; 401 uint32_t : 6, 402 is_target : 1, 403 is_initiator : 1, 404 portid : 24; 405 uint32_t 406 : 8, 407 new_portid : 24; 408 uint64_t node_wwn; 409 uint64_t port_wwn; 410 uint32_t gone_timer; 411 } fcportdb_t; 412 413 #define FC_PORTDB_STATE_NIL 0 /* Empty DB slot */ 414 #define FC_PORTDB_STATE_DEAD 1 /* Was valid, but no more. */ 415 #define FC_PORTDB_STATE_CHANGED 2 /* Was valid, but changed. */ 416 #define FC_PORTDB_STATE_NEW 3 /* Logged in, not announced. */ 417 #define FC_PORTDB_STATE_ZOMBIE 4 /* Invalid, but announced. */ 418 #define FC_PORTDB_STATE_VALID 5 /* Valid */ 419 420 #define FC_PORTDB_TGT(isp, bus, pdb) (int)(lp - FCPARAM(isp, bus)->portdb) 421 422 /* 423 * FC card specific information 424 * 425 * This structure is replicated across multiple channels for multi-id 426 * capapble chipsets, with some entities different on a per-channel basis. 427 */ 428 429 typedef struct { 430 int isp_gbspeed; /* Connection speed */ 431 int isp_linkstate; /* Link state */ 432 int isp_fwstate; /* ISP F/W state */ 433 int isp_loopstate; /* Loop State */ 434 int isp_topo; /* Connection Type */ 435 436 uint32_t : 4, 437 fctape_enabled : 1, 438 sendmarker : 1, 439 role : 2, 440 isp_portid : 24; /* S_ID */ 441 442 uint16_t isp_fwoptions; 443 uint16_t isp_xfwoptions; 444 uint16_t isp_zfwoptions; 445 uint16_t isp_loopid; /* hard loop id */ 446 uint16_t isp_sns_hdl; /* N-port handle for SNS */ 447 uint16_t isp_lasthdl; /* only valid for channel 0 */ 448 uint16_t isp_maxalloc; 449 uint16_t isp_fabric_params; 450 uint8_t isp_retry_delay; 451 uint8_t isp_retry_count; 452 453 /* 454 * Current active WWNN/WWPN 455 */ 456 uint64_t isp_wwnn; 457 uint64_t isp_wwpn; 458 459 /* 460 * NVRAM WWNN/WWPN 461 */ 462 uint64_t isp_wwnn_nvram; 463 uint64_t isp_wwpn_nvram; 464 465 /* 466 * Our Port Data Base 467 */ 468 fcportdb_t portdb[MAX_FC_TARG]; 469 470 /* 471 * Scratch DMA mapped in area to fetch Port Database stuff, etc. 472 */ 473 void * isp_scratch; 474 XS_DMA_ADDR_T isp_scdma; 475 476 uint8_t isp_scanscratch[ISP_FC_SCRLEN]; 477 } fcparam; 478 479 #define FW_CONFIG_WAIT 0 480 #define FW_WAIT_LINK 1 481 #define FW_WAIT_LOGIN 2 482 #define FW_READY 3 483 #define FW_LOSS_OF_SYNC 4 484 #define FW_ERROR 5 485 #define FW_REINIT 6 486 #define FW_NON_PART 7 487 488 #define LOOP_NIL 0 489 #define LOOP_HAVE_LINK 1 490 #define LOOP_TESTING_LINK 2 491 #define LOOP_LTEST_DONE 3 492 #define LOOP_SCANNING_LOOP 4 493 #define LOOP_LSCAN_DONE 5 494 #define LOOP_SCANNING_FABRIC 6 495 #define LOOP_FSCAN_DONE 7 496 #define LOOP_SYNCING_PDB 8 497 #define LOOP_READY 9 498 499 #define TOPO_NL_PORT 0 500 #define TOPO_FL_PORT 1 501 #define TOPO_N_PORT 2 502 #define TOPO_F_PORT 3 503 #define TOPO_PTP_STUB 4 504 505 #define TOPO_IS_FABRIC(x) ((x) == TOPO_FL_PORT || (x) == TOPO_F_PORT) 506 507 /* 508 * Soft Structure per host adapter 509 */ 510 struct ispsoftc { 511 /* 512 * Platform (OS) specific data 513 */ 514 struct isposinfo isp_osinfo; 515 516 /* 517 * Pointer to bus specific functions and data 518 */ 519 struct ispmdvec * isp_mdvec; 520 521 /* 522 * (Mostly) nonvolatile state. Board specific parameters 523 * may contain some volatile state (e.g., current loop state). 524 */ 525 526 void * isp_param; /* type specific */ 527 uint64_t isp_fwattr; /* firmware attributes */ 528 uint16_t isp_fwrev[3]; /* Loaded F/W revision */ 529 uint16_t isp_maxcmds; /* max possible I/O cmds */ 530 uint8_t isp_type; /* HBA Chip Type */ 531 uint8_t isp_revision; /* HBA Chip H/W Revision */ 532 uint16_t isp_nchan; /* number of channels */ 533 uint32_t isp_maxluns; /* maximum luns supported */ 534 535 uint32_t isp_clock : 8, /* input clock */ 536 : 4, 537 isp_port : 1, /* 23XX/24XX only */ 538 isp_open : 1, /* opened (ioctl) */ 539 isp_bustype : 1, /* SBus or PCI */ 540 isp_loaded_fw : 1, /* loaded firmware */ 541 isp_dblev : 16; /* debug log mask */ 542 543 544 uint32_t isp_confopts; /* config options */ 545 546 uint32_t isp_rqstinrp; /* register for REQINP */ 547 uint32_t isp_rqstoutrp; /* register for REQOUTP */ 548 uint32_t isp_respinrp; /* register for RESINP */ 549 uint32_t isp_respoutrp; /* register for RESOUTP */ 550 551 /* 552 * Instrumentation 553 */ 554 uint64_t isp_intcnt; /* total int count */ 555 uint64_t isp_intbogus; /* spurious int count */ 556 uint64_t isp_intmboxc; /* mbox completions */ 557 uint64_t isp_intoasync; /* other async */ 558 uint64_t isp_rsltccmplt; /* CMDs on result q */ 559 uint64_t isp_fphccmplt; /* CMDs via fastpost */ 560 uint16_t isp_rscchiwater; 561 uint16_t isp_fpcchiwater; 562 NANOTIME_T isp_init_time; /* time were last initialized */ 563 564 /* 565 * Volatile state 566 */ 567 568 volatile uint32_t : 8, 569 : 2, 570 isp_dead : 1, 571 : 1, 572 isp_mboxbsy : 1, /* mailbox command active */ 573 isp_state : 3, 574 isp_nactive : 16; /* how many commands active */ 575 volatile mbreg_t isp_curmbx; /* currently active mailbox command */ 576 volatile uint32_t isp_reqodx; /* index of last ISP pickup */ 577 volatile uint32_t isp_reqidx; /* index of next request */ 578 volatile uint32_t isp_residx; /* index of last ISP write */ 579 volatile uint32_t isp_resodx; /* index of next result */ 580 volatile uint32_t isp_atioodx; /* index of next ATIO */ 581 volatile uint32_t isp_obits; /* mailbox command output */ 582 volatile uint32_t isp_serno; /* rolling serial number */ 583 volatile uint16_t isp_mboxtmp[MAX_MAILBOX]; 584 volatile uint16_t isp_lastmbxcmd; /* last mbox command sent */ 585 volatile uint16_t isp_mbxwrk0; 586 volatile uint16_t isp_mbxwrk1; 587 volatile uint16_t isp_mbxwrk2; 588 volatile uint16_t isp_mbxwrk8; 589 volatile uint16_t isp_seqno; /* running sequence number */ 590 void * isp_mbxworkp; 591 592 /* 593 * Active commands are stored here, indexed by handle functions. 594 */ 595 isp_hdl_t *isp_xflist; 596 isp_hdl_t *isp_xffree; 597 598 /* 599 * request/result queue pointers and DMA handles for them. 600 */ 601 void * isp_rquest; 602 void * isp_result; 603 XS_DMA_ADDR_T isp_rquest_dma; 604 XS_DMA_ADDR_T isp_result_dma; 605 #ifdef ISP_TARGET_MODE 606 /* for 24XX only */ 607 void * isp_atioq; 608 XS_DMA_ADDR_T isp_atioq_dma; 609 #endif 610 }; 611 612 #define SDPARAM(isp, chan) (&((sdparam *)(isp)->isp_param)[(chan)]) 613 #define FCPARAM(isp, chan) (&((fcparam *)(isp)->isp_param)[(chan)]) 614 615 #define ISP_SET_SENDMARKER(isp, chan, val) \ 616 if (IS_FC(isp)) { \ 617 FCPARAM(isp, chan)->sendmarker = val; \ 618 } else { \ 619 SDPARAM(isp, chan)->sendmarker = val; \ 620 } 621 622 #define ISP_TST_SENDMARKER(isp, chan) \ 623 (IS_FC(isp)? \ 624 FCPARAM(isp, chan)->sendmarker != 0 : \ 625 SDPARAM(isp, chan)->sendmarker != 0) 626 627 /* 628 * ISP Driver Run States 629 */ 630 #define ISP_NILSTATE 0 631 #define ISP_CRASHED 1 632 #define ISP_RESETSTATE 2 633 #define ISP_INITSTATE 3 634 #define ISP_RUNSTATE 4 635 636 /* 637 * ISP Runtime Configuration Options 638 */ 639 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ 640 #define ISP_CFG_PORT_PREF 0x0c /* Mask for Port Prefs (all FC except 2100) */ 641 #define ISP_CFG_LPORT 0x00 /* prefer {N/F}L-Port connection */ 642 #define ISP_CFG_NPORT 0x04 /* prefer {N/F}-Port connection */ 643 #define ISP_CFG_NPORT_ONLY 0x08 /* insist on {N/F}-Port connection */ 644 #define ISP_CFG_LPORT_ONLY 0x0c /* insist on {N/F}L-Port connection */ 645 #define ISP_CFG_1GB 0x10 /* force 1GB connection (23XX only) */ 646 #define ISP_CFG_2GB 0x20 /* force 2GB connection (23XX only) */ 647 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ 648 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ 649 #define ISP_CFG_NOFCTAPE 0x100 /* disable FC-Tape */ 650 #define ISP_CFG_FCTAPE 0x200 /* enable FC-Tape */ 651 #define ISP_CFG_OWNFSZ 0x400 /* override NVRAM frame size */ 652 #define ISP_CFG_OWNLOOPID 0x800 /* override NVRAM loopid */ 653 #define ISP_CFG_OWNEXCTHROTTLE 0x1000 /* override NVRAM execution throttle */ 654 #define ISP_CFG_4GB 0x2000 /* force 4GB connection (24XX only) */ 655 #define ISP_CFG_8GB 0x4000 /* force 8GB connection (25XX only) */ 656 #define ISP_CFG_16GB 0x8000 /* force 16GB connection (82XX only) */ 657 658 /* 659 * For each channel, the outer layers should know what role that channel 660 * will take: ISP_ROLE_NONE, ISP_ROLE_INITIATOR, ISP_ROLE_TARGET, 661 * ISP_ROLE_BOTH. 662 * 663 * If you set ISP_ROLE_NONE, the cards will be reset, new firmware loaded, 664 * NVRAM read, and defaults set, but any further initialization (e.g. 665 * INITIALIZE CONTROL BLOCK commands for 2X00 cards) won't be done. 666 * 667 * If INITIATOR MODE isn't set, attempts to run commands will be stopped 668 * at isp_start and completed with the equivalent of SELECTION TIMEOUT. 669 * 670 * If TARGET MODE is set, it doesn't mean that the rest of target mode support 671 * needs to be enabled, or will even work. What happens with the 2X00 cards 672 * here is that if you have enabled it with TARGET MODE as part of the ICB 673 * options, but you haven't given the f/w any ram resources for ATIOs or 674 * Immediate Notifies, the f/w just handles what it can and you never see 675 * anything. Basically, it sends a single byte of data (the first byte, 676 * which you can set as part of the INITIALIZE CONTROL BLOCK command) for 677 * INQUIRY, and sends back QUEUE FULL status for any other command. 678 * 679 */ 680 #define ISP_ROLE_NONE 0x0 681 #define ISP_ROLE_TARGET 0x1 682 #define ISP_ROLE_INITIATOR 0x2 683 #define ISP_ROLE_BOTH (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR) 684 #define ISP_ROLE_EITHER ISP_ROLE_BOTH 685 #ifndef ISP_DEFAULT_ROLES 686 /* 687 * Counterintuitively, we prefer to default to role 'none' 688 * if we are enable target mode support. This gives us the 689 * maximum flexibility as to which port will do what. 690 */ 691 #ifdef ISP_TARGET_MODE 692 #define ISP_DEFAULT_ROLES ISP_ROLE_NONE 693 #else 694 #define ISP_DEFAULT_ROLES ISP_ROLE_INITIATOR 695 #endif 696 #endif 697 698 699 /* 700 * Firmware related defines 701 */ 702 #define ISP_CODE_ORG 0x1000 /* default f/w code start */ 703 #define ISP_CODE_ORG_2300 0x0800 /* ..except for 2300s */ 704 #define ISP_CODE_ORG_2400 0x100000 /* ..and 2400s */ 705 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 706 #define ISP_FW_MAJOR(code) ((code >> 24) & 0xff) 707 #define ISP_FW_MINOR(code) ((code >> 16) & 0xff) 708 #define ISP_FW_MICRO(code) ((code >> 8) & 0xff) 709 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 710 #define ISP_FW_MAJORX(xp) (xp[0]) 711 #define ISP_FW_MINORX(xp) (xp[1]) 712 #define ISP_FW_MICROX(xp) (xp[2]) 713 #define ISP_FW_NEWER_THAN(i, major, minor, micro) \ 714 (ISP_FW_REVX((i)->isp_fwrev) > ISP_FW_REV(major, minor, micro)) 715 #define ISP_FW_OLDER_THAN(i, major, minor, micro) \ 716 (ISP_FW_REVX((i)->isp_fwrev) < ISP_FW_REV(major, minor, micro)) 717 718 /* 719 * Bus (implementation) types 720 */ 721 #define ISP_BT_PCI 0 /* PCI Implementations */ 722 #define ISP_BT_SBUS 1 /* SBus Implementations */ 723 724 /* 725 * If we have not otherwise defined SBus support away make sure 726 * it is defined here such that the code is included as default 727 */ 728 #ifndef ISP_SBUS_SUPPORTED 729 #define ISP_SBUS_SUPPORTED 1 730 #endif 731 732 /* 733 * Chip Types 734 */ 735 #define ISP_HA_SCSI 0xf 736 #define ISP_HA_SCSI_UNKNOWN 0x1 737 #define ISP_HA_SCSI_1020 0x2 738 #define ISP_HA_SCSI_1020A 0x3 739 #define ISP_HA_SCSI_1040 0x4 740 #define ISP_HA_SCSI_1040A 0x5 741 #define ISP_HA_SCSI_1040B 0x6 742 #define ISP_HA_SCSI_1040C 0x7 743 #define ISP_HA_SCSI_1240 0x8 744 #define ISP_HA_SCSI_1080 0x9 745 #define ISP_HA_SCSI_1280 0xa 746 #define ISP_HA_SCSI_10160 0xb 747 #define ISP_HA_SCSI_12160 0xc 748 #define ISP_HA_FC 0xf0 749 #define ISP_HA_FC_2100 0x10 750 #define ISP_HA_FC_2200 0x20 751 #define ISP_HA_FC_2300 0x30 752 #define ISP_HA_FC_2312 0x40 753 #define ISP_HA_FC_2322 0x50 754 #define ISP_HA_FC_2400 0x60 755 #define ISP_HA_FC_2500 0x70 756 #define ISP_HA_FC_2600 0x80 757 758 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 759 #define IS_1020(isp) (isp->isp_type < ISP_HA_SCSI_1240) 760 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 761 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 762 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 763 #define IS_10160(isp) (isp->isp_type == ISP_HA_SCSI_10160) 764 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160) 765 766 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp)) 767 #define IS_1X160(isp) (IS_10160(isp) || IS_12160(isp)) 768 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp)) 769 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_1X160(isp)) 770 #define IS_ULTRA3(isp) (IS_1X160(isp)) 771 772 #define IS_FC(isp) ((isp)->isp_type & ISP_HA_FC) 773 #define IS_2100(isp) ((isp)->isp_type == ISP_HA_FC_2100) 774 #define IS_2200(isp) ((isp)->isp_type == ISP_HA_FC_2200) 775 #define IS_23XX(isp) ((isp)->isp_type >= ISP_HA_FC_2300 && \ 776 (isp)->isp_type < ISP_HA_FC_2400) 777 #define IS_2300(isp) ((isp)->isp_type == ISP_HA_FC_2300) 778 #define IS_2312(isp) ((isp)->isp_type == ISP_HA_FC_2312) 779 #define IS_2322(isp) ((isp)->isp_type == ISP_HA_FC_2322) 780 #define IS_24XX(isp) ((isp)->isp_type >= ISP_HA_FC_2400) 781 #define IS_25XX(isp) ((isp)->isp_type >= ISP_HA_FC_2500) 782 #define IS_26XX(isp) ((isp)->isp_type >= ISP_HA_FC_2600) 783 784 /* 785 * DMA related macros 786 */ 787 #define DMA_WD3(x) (((uint16_t)(((uint64_t)x) >> 48)) & 0xffff) 788 #define DMA_WD2(x) (((uint16_t)(((uint64_t)x) >> 32)) & 0xffff) 789 #define DMA_WD1(x) ((uint16_t)((x) >> 16) & 0xffff) 790 #define DMA_WD0(x) ((uint16_t)((x) & 0xffff)) 791 792 #define DMA_LO32(x) ((uint32_t) (x)) 793 #define DMA_HI32(x) ((uint32_t)(((uint64_t)x) >> 32)) 794 795 /* 796 * Core System Function Prototypes 797 */ 798 799 /* 800 * Reset Hardware. Totally. Assumes that you'll follow this with a call to isp_init. 801 */ 802 void isp_reset(ispsoftc_t *, int); 803 804 /* 805 * Initialize Hardware to known state 806 */ 807 void isp_init(ispsoftc_t *); 808 809 /* 810 * Reset the ISP and call completion for any orphaned commands. 811 */ 812 int isp_reinit(ispsoftc_t *, int); 813 814 /* 815 * Internal Interrupt Service Routine 816 * 817 * The outer layers do the spade work to get the appropriate status register, 818 * semaphore register and first mailbox register (if appropriate). This also 819 * means that most spurious/bogus interrupts not for us can be filtered first. 820 */ 821 void isp_intr(ispsoftc_t *, uint16_t, uint16_t, uint16_t); 822 823 824 /* 825 * Command Entry Point- Platform Dependent layers call into this 826 */ 827 int isp_start(XS_T *); 828 829 /* these values are what isp_start returns */ 830 #define CMD_COMPLETE 101 /* command completed */ 831 #define CMD_EAGAIN 102 /* busy- maybe retry later */ 832 #define CMD_QUEUED 103 /* command has been queued for execution */ 833 #define CMD_RQLATER 104 /* requeue this command later */ 834 835 /* 836 * Command Completion Point- Core layers call out from this with completed cmds 837 */ 838 void isp_done(XS_T *); 839 840 /* 841 * Platform Dependent to External to Internal Control Function 842 * 843 * Assumes locks are held on entry. You should note that with many of 844 * these commands locks may be released while this function is called. 845 * 846 * ... ISPCTL_RESET_BUS, int channel); 847 * Reset BUS on this channel 848 * ... ISPCTL_RESET_DEV, int channel, int target); 849 * Reset Device on this channel at this target. 850 * ... ISPCTL_ABORT_CMD, XS_T *xs); 851 * Abort active transaction described by xs. 852 * ... IPCTL_UPDATE_PARAMS); 853 * Update any operating parameters (speed, etc.) 854 * ... ISPCTL_FCLINK_TEST, int channel); 855 * Test FC link status on this channel 856 * ... ISPCTL_SCAN_LOOP, int channel); 857 * Scan local loop on this channel 858 * ... ISPCTL_SCAN_FABRIC, int channel); 859 * Scan fabric on this channel 860 * ... ISPCTL_PDB_SYNC, int channel); 861 * Synchronize port database on this channel 862 * ... ISPCTL_SEND_LIP, int channel); 863 * Send a LIP on this channel 864 * ... ISPCTL_GET_NAMES, int channel, int np, uint64_t *wwnn, uint64_t *wwpn) 865 * Get a WWNN/WWPN for this N-port handle on this channel 866 * ... ISPCTL_RUN_MBOXCMD, mbreg_t *mbp) 867 * Run this mailbox command 868 * ... ISPCTL_GET_PDB, int channel, int nphandle, isp_pdb_t *pdb) 869 * Get PDB on this channel for this N-port handle 870 * ... ISPCTL_PLOGX, isp_plcmd_t *) 871 * Performa a port login/logout 872 * ... ISPCTL_CHANGE_ROLE, int channel, int role); 873 * Change role of specified channel 874 * 875 * ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in 876 * order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_LOOP, and ISPCTL_SCAN_FABRIC. 877 * The main purpose of ISPCTL_PDB_SYNC is to complete management of logging 878 * and logging out of fabric devices (if one is on a fabric) and then marking 879 * the 'loop state' as being ready to now be used for sending commands to 880 * devices. 881 */ 882 typedef enum { 883 ISPCTL_RESET_BUS, 884 ISPCTL_RESET_DEV, 885 ISPCTL_ABORT_CMD, 886 ISPCTL_UPDATE_PARAMS, 887 ISPCTL_FCLINK_TEST, 888 ISPCTL_SCAN_FABRIC, 889 ISPCTL_SCAN_LOOP, 890 ISPCTL_PDB_SYNC, 891 ISPCTL_SEND_LIP, 892 ISPCTL_GET_NAMES, 893 ISPCTL_RUN_MBOXCMD, 894 ISPCTL_GET_PDB, 895 ISPCTL_PLOGX, 896 ISPCTL_CHANGE_ROLE 897 } ispctl_t; 898 int isp_control(ispsoftc_t *, ispctl_t, ...); 899 900 /* 901 * Platform Dependent to Internal to External Control Function 902 */ 903 904 typedef enum { 905 ISPASYNC_NEW_TGT_PARAMS, /* SPI New Target Parameters */ 906 ISPASYNC_BUS_RESET, /* All Bus Was Reset */ 907 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 908 ISPASYNC_LOOP_UP, /* FC Loop Up */ 909 ISPASYNC_LIP, /* FC LIP Received */ 910 ISPASYNC_LOOP_RESET, /* FC Loop Reset Received */ 911 ISPASYNC_CHANGE_NOTIFY, /* FC Change Notification */ 912 ISPASYNC_DEV_ARRIVED, /* FC Device Arrived */ 913 ISPASYNC_DEV_CHANGED, /* FC Device Changed */ 914 ISPASYNC_DEV_STAYED, /* FC Device Stayed */ 915 ISPASYNC_DEV_GONE, /* FC Device Departure */ 916 ISPASYNC_TARGET_NOTIFY, /* All target async notification */ 917 ISPASYNC_TARGET_NOTIFY_ACK, /* All target notify ack required */ 918 ISPASYNC_TARGET_ACTION, /* All target action requested */ 919 ISPASYNC_FW_CRASH, /* All Firmware has crashed */ 920 ISPASYNC_FW_RESTARTED /* All Firmware has been restarted */ 921 } ispasync_t; 922 void isp_async(ispsoftc_t *, ispasync_t, ...); 923 924 #define ISPASYNC_CHANGE_PDB 0 925 #define ISPASYNC_CHANGE_SNS 1 926 #define ISPASYNC_CHANGE_OTHER 2 927 928 /* 929 * Platform Independent Error Prinout 930 */ 931 void isp_prt_endcmd(ispsoftc_t *, XS_T *); 932 933 /* 934 * Platform Dependent Error and Debug Printout 935 * 936 * Two required functions for each platform must be provided: 937 * 938 * void isp_prt(ispsoftc_t *, int level, const char *, ...) 939 * void isp_xs_prt(ispsoftc_t *, XS_T *, int level, const char *, ...) 940 * 941 * but due to compiler differences on different platforms this won't be 942 * formally defined here. Instead, they go in each platform definition file. 943 */ 944 945 #define ISP_LOGALL 0x0 /* log always */ 946 #define ISP_LOGCONFIG 0x1 /* log configuration messages */ 947 #define ISP_LOGINFO 0x2 /* log informational messages */ 948 #define ISP_LOGWARN 0x4 /* log warning messages */ 949 #define ISP_LOGERR 0x8 /* log error messages */ 950 #define ISP_LOGDEBUG0 0x10 /* log simple debug messages */ 951 #define ISP_LOGDEBUG1 0x20 /* log intermediate debug messages */ 952 #define ISP_LOGDEBUG2 0x40 /* log most debug messages */ 953 #define ISP_LOGDEBUG3 0x80 /* log high frequency debug messages */ 954 #define ISP_LOG_SANCFG 0x100 /* log SAN configuration */ 955 #define ISP_LOG_CWARN 0x200 /* log SCSI command "warnings" (e.g., check conditions) */ 956 #define ISP_LOG_WARN1 0x400 /* log WARNS we might be interested at some time */ 957 #define ISP_LOGTINFO 0x1000 /* log informational messages (target mode) */ 958 #define ISP_LOGTDEBUG0 0x2000 /* log simple debug messages (target mode) */ 959 #define ISP_LOGTDEBUG1 0x4000 /* log intermediate debug messages (target) */ 960 #define ISP_LOGTDEBUG2 0x8000 /* log all debug messages (target) */ 961 962 /* 963 * Each Platform provides it's own isposinfo substructure of the ispsoftc 964 * defined above. 965 * 966 * Each platform must also provide the following macros/defines: 967 * 968 * 969 * ISP_FC_SCRLEN FC scratch area DMA length 970 * 971 * ISP_MEMZERO(dst, src) platform zeroing function 972 * ISP_MEMCPY(dst, src, count) platform copying function 973 * ISP_SNPRINTF(buf, bufsize, fmt, ...) snprintf 974 * ISP_DELAY(usecs) microsecond spindelay function 975 * ISP_SLEEP(isp, usecs) microsecond sleep function 976 * 977 * ISP_INLINE ___inline or not- depending on how 978 * good your debugger is 979 * ISP_MIN shorthand for ((a) < (b))? (a) : (b) 980 * 981 * NANOTIME_T nanosecond time type 982 * 983 * GET_NANOTIME(NANOTIME_T *) get current nanotime. 984 * 985 * GET_NANOSEC(NANOTIME_T *) get uint64_t from NANOTIME_T 986 * 987 * NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *) 988 * subtract two NANOTIME_T values 989 * 990 * MAXISPREQUEST(ispsoftc_t *) maximum request queue size 991 * for this particular board type 992 * 993 * MEMORYBARRIER(ispsoftc_t *, barrier_type, offset, size, chan) 994 * 995 * Function/Macro the provides memory synchronization on 996 * various objects so that the ISP's and the system's view 997 * of the same object is consistent. 998 * 999 * MBOX_ACQUIRE(ispsoftc_t *) acquire lock on mailbox regs 1000 * MBOX_WAIT_COMPLETE(ispsoftc_t *, mbreg_t *) wait for cmd to be done 1001 * MBOX_NOTIFY_COMPLETE(ispsoftc_t *) notification of mbox cmd donee 1002 * MBOX_RELEASE(ispsoftc_t *) release lock on mailbox regs 1003 * 1004 * FC_SCRATCH_ACQUIRE(ispsoftc_t *, chan) acquire lock on FC scratch area 1005 * return -1 if you cannot 1006 * FC_SCRATCH_RELEASE(ispsoftc_t *, chan) acquire lock on FC scratch area 1007 * 1008 * FCP_NEXT_CRN(ispsoftc_t *, XS_T *, rslt, channel, target, lun) generate the next command reference number. XS_T * may be null. 1009 * 1010 * SCSI_GOOD SCSI 'Good' Status 1011 * SCSI_CHECK SCSI 'Check Condition' Status 1012 * SCSI_BUSY SCSI 'Busy' Status 1013 * SCSI_QFULL SCSI 'Queue Full' Status 1014 * 1015 * XS_T Platform SCSI transaction type (i.e., command for HBA) 1016 * XS_DMA_ADDR_T Platform PCI DMA Address Type 1017 * XS_GET_DMA_SEG(..) Get 32 bit dma segment list value 1018 * XS_GET_DMA64_SEG(..) Get 64 bit dma segment list value 1019 * XS_ISP(xs) gets an instance out of an XS_T 1020 * XS_CHANNEL(xs) gets the channel (bus # for DUALBUS cards) "" 1021 * XS_TGT(xs) gets the target "" 1022 * XS_LUN(xs) gets the lun "" 1023 * XS_CDBP(xs) gets a pointer to the scsi CDB "" 1024 * XS_CDBLEN(xs) gets the CDB's length "" 1025 * XS_XFRLEN(xs) gets the associated data transfer length "" 1026 * XS_TIME(xs) gets the time (in milliseconds) for this command 1027 * XS_GET_RESID(xs) gets the current residual count 1028 * XS_GET_RESID(xs, resid) sets the current residual count 1029 * XS_STSP(xs) gets a pointer to the SCSI status byte "" 1030 * XS_SNSP(xs) gets a pointer to the associate sense data 1031 * XS_TOT_SNSLEN(xs) gets the total length of sense data storage 1032 * XS_CUR_SNSLEN(xs) gets the currently used lenght of sense data storage 1033 * XS_SNSKEY(xs) dereferences XS_SNSP to get the current stored Sense Key 1034 * XS_SNSASC(xs) dereferences XS_SNSP to get the current stored Additional Sense Code 1035 * XS_SNSASCQ(xs) dereferences XS_SNSP to get the current stored Additional Sense Code Qualifier 1036 * XS_TAG_P(xs) predicate of whether this command should be tagged 1037 * XS_TAG_TYPE(xs) which type of tag to use 1038 * XS_SETERR(xs) set error state 1039 * 1040 * HBA_NOERROR command has no erros 1041 * HBA_BOTCH hba botched something 1042 * HBA_CMDTIMEOUT command timed out 1043 * HBA_SELTIMEOUT selection timed out (also port logouts for FC) 1044 * HBA_TGTBSY target returned a BUSY status 1045 * HBA_BUSRESET bus reset destroyed command 1046 * HBA_ABORTED command was aborted (by request) 1047 * HBA_DATAOVR a data overrun was detected 1048 * HBA_ARQFAIL Automatic Request Sense failed 1049 * 1050 * XS_ERR(xs) return current error state 1051 * XS_NOERR(xs) there is no error currently set 1052 * XS_INITERR(xs) initialize error state 1053 * 1054 * XS_SAVE_SENSE(xs, sp, total_len, this_len) save sense data (total and current amount) 1055 * 1056 * XS_APPEND_SENSE(xs, sp, len) append more sense data 1057 * 1058 * XS_SENSE_VALID(xs) indicates whether sense is valid 1059 * 1060 * DEFAULT_FRAMESIZE(ispsoftc_t *) Default Frame Size 1061 * DEFAULT_EXEC_THROTTLE(ispsoftc_t *) Default Execution Throttle 1062 * 1063 * DEFAULT_ROLE(ispsoftc_t *, int) Get Default Role for a channel 1064 * DEFAULT_IID(ispsoftc_t *, int) Default SCSI initiator ID 1065 * DEFAULT_LOOPID(ispsoftc_t *, int) Default FC Loop ID 1066 * 1067 * These establish reasonable defaults for each platform. 1068 * These must be available independent of card NVRAM and are 1069 * to be used should NVRAM not be readable. 1070 * 1071 * DEFAULT_NODEWWN(ispsoftc_t *, chan) Default FC Node WWN to use 1072 * DEFAULT_PORTWWN(ispsoftc_t *, chan) Default FC Port WWN to use 1073 * 1074 * These defines are hooks to allow the setting of node and 1075 * port WWNs when NVRAM cannot be read or is to be overriden. 1076 * 1077 * ACTIVE_NODEWWN(ispsoftc_t *, chan) FC Node WWN to use 1078 * ACTIVE_PORTWWN(ispsoftc_t *, chan) FC Port WWN to use 1079 * 1080 * After NVRAM is read, these will be invoked to get the 1081 * node and port WWNs that will actually be used for this 1082 * channel. 1083 * 1084 * 1085 * ISP_IOXPUT_8(ispsoftc_t *, uint8_t srcval, uint8_t *dstptr) 1086 * ISP_IOXPUT_16(ispsoftc_t *, uint16_t srcval, uint16_t *dstptr) 1087 * ISP_IOXPUT_32(ispsoftc_t *, uint32_t srcval, uint32_t *dstptr) 1088 * 1089 * ISP_IOXGET_8(ispsoftc_t *, uint8_t *srcptr, uint8_t dstrval) 1090 * ISP_IOXGET_16(ispsoftc_t *, uint16_t *srcptr, uint16_t dstrval) 1091 * ISP_IOXGET_32(ispsoftc_t *, uint32_t *srcptr, uint32_t dstrval) 1092 * 1093 * ISP_SWIZZLE_NVRAM_WORD(ispsoftc_t *, uint16_t *) 1094 * ISP_SWIZZLE_NVRAM_LONG(ispsoftc_t *, uint32_t *) 1095 * ISP_SWAP16(ispsoftc_t *, uint16_t srcval) 1096 * ISP_SWAP32(ispsoftc_t *, uint32_t srcval) 1097 */ 1098 1099 #ifdef ISP_TARGET_MODE 1100 /* 1101 * The functions below are for the publicly available 1102 * target mode functions that are internal to the Qlogic driver. 1103 */ 1104 1105 /* 1106 * This function handles new response queue entry appropriate for target mode. 1107 */ 1108 int isp_target_notify(ispsoftc_t *, void *, uint32_t *); 1109 1110 /* 1111 * This function externalizes the ability to acknowledge an Immediate Notify request. 1112 */ 1113 int isp_notify_ack(ispsoftc_t *, void *); 1114 1115 /* 1116 * This function externalized acknowledging (success/fail) an ABTS frame 1117 */ 1118 int isp_acknak_abts(ispsoftc_t *, void *, int); 1119 1120 /* 1121 * General request queue 'put' routine for target mode entries. 1122 */ 1123 int isp_target_put_entry(ispsoftc_t *isp, void *); 1124 1125 /* 1126 * General routine to put back an ATIO entry- 1127 * used for replenishing f/w resource counts. 1128 * The argument is a pointer to a source ATIO 1129 * or ATIO2. 1130 */ 1131 int isp_target_put_atio(ispsoftc_t *, void *); 1132 1133 /* 1134 * General routine to send a final CTIO for a command- used mostly for 1135 * local responses. 1136 */ 1137 int isp_endcmd(ispsoftc_t *, ...); 1138 #define ECMD_SVALID 0x100 1139 #define ECMD_TERMINATE 0x200 1140 1141 /* 1142 * Handle an asynchronous event 1143 * 1144 * Return nonzero if the interrupt that generated this event has been dismissed. 1145 */ 1146 int isp_target_async(ispsoftc_t *, int, int); 1147 #endif 1148 #endif /* _ISPVAR_H */ 1149