1 /* $FreeBSD$ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * Copyright (c) 2009-2018 Alexander Motin <mav@FreeBSD.org> 6 * Copyright (c) 1997-2009 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 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 /* 33 * Soft Definitions for for Qlogic ISP SCSI adapters. 34 */ 35 36 #ifndef _ISPVAR_H 37 #define _ISPVAR_H 38 39 #if defined(__NetBSD__) || defined(__OpenBSD__) 40 #include <dev/ic/isp_stds.h> 41 #include <dev/ic/ispmbox.h> 42 #endif 43 #ifdef __FreeBSD__ 44 #include <dev/isp/isp_stds.h> 45 #include <dev/isp/ispmbox.h> 46 #endif 47 #ifdef __linux__ 48 #include "isp_stds.h" 49 #include "ispmbox.h" 50 #endif 51 #ifdef __svr4__ 52 #include "isp_stds.h" 53 #include "ispmbox.h" 54 #endif 55 56 #define ISP_CORE_VERSION_MAJOR 7 57 #define ISP_CORE_VERSION_MINOR 0 58 59 /* 60 * Vector for bus specific code to provide specific services. 61 */ 62 typedef struct ispsoftc ispsoftc_t; 63 struct ispmdvec { 64 void (*dv_run_isr) (ispsoftc_t *); 65 uint32_t (*dv_rd_reg) (ispsoftc_t *, int); 66 void (*dv_wr_reg) (ispsoftc_t *, int, uint32_t); 67 int (*dv_mbxdma) (ispsoftc_t *); 68 int (*dv_dmaset) (ispsoftc_t *, XS_T *, void *); 69 void (*dv_dmaclr) (ispsoftc_t *, XS_T *, uint32_t); 70 int (*dv_irqsetup) (ispsoftc_t *); 71 void (*dv_dregs) (ispsoftc_t *, const char *); 72 const void * dv_ispfw; /* ptr to f/w */ 73 uint16_t dv_conf1; 74 uint16_t dv_clock; /* clock frequency */ 75 }; 76 77 /* 78 * Overall parameters 79 */ 80 #define MAX_TARGETS 16 81 #ifndef MAX_FC_TARG 82 #define MAX_FC_TARG 1024 83 #endif 84 #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS) 85 #define ISP_MAX_LUNS(isp) (isp)->isp_maxluns 86 #define ISP_MAX_IRQS 3 87 88 /* 89 * Macros to access ISP registers through bus specific layers- 90 * mostly wrappers to vector through the mdvec structure. 91 */ 92 #define ISP_RUN_ISR(isp) \ 93 (*(isp)->isp_mdvec->dv_run_isr)(isp) 94 95 #define ISP_READ(isp, reg) \ 96 (*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg)) 97 98 #define ISP_WRITE(isp, reg, val) \ 99 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val)) 100 101 #define ISP_MBOXDMASETUP(isp) \ 102 (*(isp)->isp_mdvec->dv_mbxdma)((isp)) 103 104 #define ISP_DMASETUP(isp, xs, req) \ 105 (*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req)) 106 107 #define ISP_DMAFREE(isp, xs, hndl) \ 108 if ((isp)->isp_mdvec->dv_dmaclr) \ 109 (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl)) 110 111 #define ISP_IRQSETUP(isp) \ 112 (((isp)->isp_mdvec->dv_irqsetup) ? (*(isp)->isp_mdvec->dv_irqsetup)(isp) : 0) 113 #define ISP_DUMPREGS(isp, m) \ 114 if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m)) 115 116 #define ISP_SETBITS(isp, reg, val) \ 117 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val)) 118 119 #define ISP_CLRBITS(isp, reg, val) \ 120 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val)) 121 122 /* 123 * The MEMORYBARRIER macro is defined per platform (to provide synchronization 124 * on Request and Response Queues, Scratch DMA areas, and Registers) 125 * 126 * Defined Memory Barrier Synchronization Types 127 */ 128 #define SYNC_REQUEST 0 /* request queue synchronization */ 129 #define SYNC_RESULT 1 /* result queue synchronization */ 130 #define SYNC_SFORDEV 2 /* scratch, sync for ISP */ 131 #define SYNC_SFORCPU 3 /* scratch, sync for CPU */ 132 #define SYNC_REG 4 /* for registers */ 133 #define SYNC_ATIOQ 5 /* atio result queue (24xx) */ 134 #define SYNC_IFORDEV 6 /* synchrounous IOCB, sync for ISP */ 135 #define SYNC_IFORCPU 7 /* synchrounous IOCB, sync for CPU */ 136 137 /* 138 * Request/Response Queue defines and macros. 139 * The maximum is defined per platform (and can be based on board type). 140 */ 141 /* This is the size of a queue entry (request and response) */ 142 #define QENTRY_LEN 64 143 /* Both request and result queue length must be a power of two */ 144 #define RQUEST_QUEUE_LEN(x) MAXISPREQUEST(x) 145 #ifdef ISP_TARGET_MODE 146 #define RESULT_QUEUE_LEN(x) MAXISPREQUEST(x) 147 #else 148 #define RESULT_QUEUE_LEN(x) \ 149 (((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2) 150 #endif 151 #define ISP_QUEUE_ENTRY(q, idx) (((uint8_t *)q) + ((idx) * QENTRY_LEN)) 152 #define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN) 153 #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1)) 154 #define ISP_QFREE(in, out, qlen) \ 155 ((in == out)? (qlen - 1) : ((in > out)? \ 156 ((qlen - 1) - (in - out)) : (out - in - 1))) 157 #define ISP_QAVAIL(isp) \ 158 ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp)) 159 160 #define ISP_ADD_REQUEST(isp, nxti) \ 161 MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1); \ 162 ISP_WRITE(isp, isp->isp_rqstinrp, nxti); \ 163 isp->isp_reqidx = nxti 164 165 #define ISP_SYNC_REQUEST(isp) \ 166 MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1); \ 167 isp->isp_reqidx = ISP_NXT_QENTRY(isp->isp_reqidx, RQUEST_QUEUE_LEN(isp)); \ 168 ISP_WRITE(isp, isp->isp_rqstinrp, isp->isp_reqidx) 169 170 /* 171 * SCSI Specific Host Adapter Parameters- per bus, per target 172 */ 173 typedef struct { 174 uint32_t : 8, 175 update : 1, 176 sendmarker : 1, 177 isp_req_ack_active_neg : 1, 178 isp_data_line_active_neg: 1, 179 isp_cmd_dma_burst_enable: 1, 180 isp_data_dma_burst_enabl: 1, 181 isp_fifo_threshold : 3, 182 isp_ptisp : 1, 183 isp_ultramode : 1, 184 isp_diffmode : 1, 185 isp_lvdmode : 1, 186 isp_fast_mttr : 1, /* fast sram */ 187 isp_initiator_id : 4, 188 isp_async_data_setup : 4; 189 uint16_t isp_selection_timeout; 190 uint16_t isp_max_queue_depth; 191 uint8_t isp_tag_aging; 192 uint8_t isp_bus_reset_delay; 193 uint8_t isp_retry_count; 194 uint8_t isp_retry_delay; 195 struct { 196 uint32_t 197 exc_throttle : 8, 198 : 1, 199 dev_enable : 1, /* ignored */ 200 dev_update : 1, 201 dev_refresh : 1, 202 actv_offset : 4, 203 goal_offset : 4, 204 nvrm_offset : 4; 205 uint8_t actv_period; /* current sync period */ 206 uint8_t goal_period; /* goal sync period */ 207 uint8_t nvrm_period; /* nvram sync period */ 208 uint16_t actv_flags; /* current device flags */ 209 uint16_t goal_flags; /* goal device flags */ 210 uint16_t nvrm_flags; /* nvram device flags */ 211 } isp_devparam[MAX_TARGETS]; 212 } sdparam; 213 214 /* 215 * Device Flags 216 */ 217 #define DPARM_DISC 0x8000 218 #define DPARM_PARITY 0x4000 219 #define DPARM_WIDE 0x2000 220 #define DPARM_SYNC 0x1000 221 #define DPARM_TQING 0x0800 222 #define DPARM_ARQ 0x0400 223 #define DPARM_QFRZ 0x0200 224 #define DPARM_RENEG 0x0100 225 #define DPARM_NARROW 0x0080 226 #define DPARM_ASYNC 0x0040 227 #define DPARM_PPR 0x0020 228 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ) 229 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING)) 230 231 /* technically, not really correct, as they need to be rated based upon clock */ 232 #define ISP_80M_SYNCPARMS 0x0c09 233 #define ISP_40M_SYNCPARMS 0x0c0a 234 #define ISP_20M_SYNCPARMS 0x0c0c 235 #define ISP_20M_SYNCPARMS_1040 0x080c 236 #define ISP_10M_SYNCPARMS 0x0c19 237 #define ISP_08M_SYNCPARMS 0x0c25 238 #define ISP_05M_SYNCPARMS 0x0c32 239 #define ISP_04M_SYNCPARMS 0x0c41 240 241 /* 242 * Fibre Channel Specifics 243 */ 244 /* These are for non-2K Login Firmware cards */ 245 #define FL_ID 0x7e /* FL_Port Special ID */ 246 #define SNS_ID 0x80 /* SNS Server Special ID */ 247 #define NPH_MAX 0xfe 248 249 /* These are for 2K Login Firmware cards */ 250 #define NPH_RESERVED 0x7F0 /* begin of reserved N-port handles */ 251 #define NPH_MGT_ID 0x7FA /* Management Server Special ID */ 252 #define NPH_SNS_ID 0x7FC /* SNS Server Special ID */ 253 #define NPH_FABRIC_CTLR 0x7FD /* Fabric Controller (0xFFFFFD) */ 254 #define NPH_FL_ID 0x7FE /* F Port Special ID (0xFFFFFE) */ 255 #define NPH_IP_BCST 0x7FF /* IP Broadcast Special ID (0xFFFFFF) */ 256 #define NPH_MAX_2K 0x800 257 258 /* 259 * "Unassigned" handle to be used internally 260 */ 261 #define NIL_HANDLE 0xffff 262 263 /* 264 * Limit for devices on an arbitrated loop. 265 */ 266 #define LOCAL_LOOP_LIM 126 267 268 /* 269 * Limit for (2K login) N-port handle amounts 270 */ 271 #define MAX_NPORT_HANDLE 2048 272 273 /* 274 * Special Constants 275 */ 276 #define INI_NONE ((uint64_t) 0) 277 #define ISP_NOCHAN 0xff 278 279 /* 280 * Special Port IDs 281 */ 282 #define MANAGEMENT_PORT_ID 0xFFFFFA 283 #define SNS_PORT_ID 0xFFFFFC 284 #define FABRIC_PORT_ID 0xFFFFFE 285 #define PORT_ANY 0xFFFFFF 286 #define PORT_NONE 0 287 #define VALID_PORT(port) (port != PORT_NONE && port != PORT_ANY) 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_CTRL 3 322 #define ISP_HANDLE_SEQ_MASK 0xffff0000 323 #define ISP_HANDLE_SEQ_SHIFT 16 324 #define ISP_H2SEQ(hdl) ((hdl & ISP_HANDLE_SEQ_MASK) >> ISP_HANDLE_SEQ_SHIFT) 325 #define ISP_VALID_HANDLE(c, hdl) \ 326 ((ISP_H2HT(hdl) == ISP_HANDLE_INITIATOR || \ 327 ISP_H2HT(hdl) == ISP_HANDLE_TARGET || \ 328 ISP_H2HT(hdl) == ISP_HANDLE_CTRL) && \ 329 ((hdl) & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \ 330 (hdl) == ((c)->isp_xflist[(hdl) & ISP_HANDLE_CMD_MASK].handle)) 331 #define ISP_BAD_HANDLE_INDEX 0xffffffff 332 333 334 /* 335 * FC Port Database entry. 336 * 337 * It has a handle that the f/w uses to address commands to a device. 338 * This handle's value may be assigned by the firmware (e.g., for local loop 339 * devices) or by the driver (e.g., for fabric devices). 340 * 341 * It has a state. If the state if VALID, that means that we've logged into 342 * the device. 343 * 344 * Local loop devices the firmware automatically performs PLOGI on for us 345 * (which is why that handle is imposed upon us). Fabric devices we assign 346 * a handle to and perform the PLOGI on. 347 * 348 * When a PORT DATABASE CHANGED asynchronous event occurs, we mark all VALID 349 * entries as PROBATIONAL. This allows us, if policy says to, just keep track 350 * of devices whose handles change but are otherwise the same device (and 351 * thus keep 'target' constant). 352 * 353 * In any case, we search all possible local loop handles. For each one that 354 * has a port database entity returned, we search for any PROBATIONAL entry 355 * that matches it and update as appropriate. Otherwise, as a new entry, we 356 * find room for it in the Port Database. We *try* and use the handle as the 357 * index to put it into the Database, but that's just an optimization. We mark 358 * the entry VALID and make sure that the target index is updated and correct. 359 * 360 * When we get done searching the local loop, we then search similarly for 361 * a list of devices we've gotten from the fabric name controller (if we're 362 * on a fabric). VALID marking is also done similarly. 363 * 364 * When all of this is done, we can march through the database and clean up 365 * any entry that is still PROBATIONAL (these represent devices which have 366 * departed). Then we're done and can resume normal operations. 367 * 368 * Negative invariants that we try and test for are: 369 * 370 * + There can never be two non-NIL entries with the same { Port, Node } WWN 371 * duples. 372 * 373 * + There can never be two non-NIL entries with the same handle. 374 */ 375 typedef struct { 376 /* 377 * This is the handle that the firmware needs in order for us to 378 * send commands to the device. For pre-24XX cards, this would be 379 * the 'loopid'. 380 */ 381 uint16_t handle; 382 383 /* 384 * PRLI word 0 contains the Establish Image Pair bit, which is 385 * important for knowing when to reset the CRN. 386 * 387 * PRLI word 3 parameters contains role as well as other things. 388 * 389 * The state is the current state of this entry. 390 * 391 * The is_target is the current state of target on this port. 392 * 393 * The is_initiator is the current state of initiator on this port. 394 * 395 * Portid is obvious, as are node && port WWNs. The new_role and 396 * new_portid is for when we are pending a change. 397 */ 398 uint16_t prli_word0; /* PRLI parameters */ 399 uint16_t prli_word3; /* PRLI parameters */ 400 uint16_t new_prli_word0; /* Incoming new PRLI parameters */ 401 uint16_t new_prli_word3; /* Incoming new PRLI parameters */ 402 uint16_t : 12, 403 probational : 1, 404 state : 3; 405 uint32_t : 6, 406 is_target : 1, 407 is_initiator : 1, 408 portid : 24; 409 uint32_t 410 : 8, 411 new_portid : 24; 412 uint64_t node_wwn; 413 uint64_t port_wwn; 414 uint32_t gone_timer; 415 } fcportdb_t; 416 417 #define FC_PORTDB_STATE_NIL 0 /* Empty DB slot */ 418 #define FC_PORTDB_STATE_DEAD 1 /* Was valid, but no more. */ 419 #define FC_PORTDB_STATE_CHANGED 2 /* Was valid, but changed. */ 420 #define FC_PORTDB_STATE_NEW 3 /* Logged in, not announced. */ 421 #define FC_PORTDB_STATE_ZOMBIE 4 /* Invalid, but announced. */ 422 #define FC_PORTDB_STATE_VALID 5 /* Valid */ 423 424 #define FC_PORTDB_TGT(isp, bus, pdb) (int)(lp - FCPARAM(isp, bus)->portdb) 425 426 /* 427 * FC card specific information 428 * 429 * This structure is replicated across multiple channels for multi-id 430 * capapble chipsets, with some entities different on a per-channel basis. 431 */ 432 433 typedef struct { 434 int isp_gbspeed; /* Connection speed */ 435 int isp_linkstate; /* Link state */ 436 int isp_fwstate; /* ISP F/W state */ 437 int isp_loopstate; /* Loop State */ 438 int isp_topo; /* Connection Type */ 439 440 uint32_t : 4, 441 fctape_enabled : 1, 442 sendmarker : 1, 443 role : 2, 444 isp_portid : 24; /* S_ID */ 445 446 uint16_t isp_fwoptions; 447 uint16_t isp_xfwoptions; 448 uint16_t isp_zfwoptions; 449 uint16_t isp_loopid; /* hard loop id */ 450 uint16_t isp_sns_hdl; /* N-port handle for SNS */ 451 uint16_t isp_lasthdl; /* only valid for channel 0 */ 452 uint16_t isp_maxalloc; 453 uint16_t isp_fabric_params; 454 uint16_t isp_login_hdl; /* Logging in handle */ 455 uint8_t isp_retry_delay; 456 uint8_t isp_retry_count; 457 int isp_use_gft_id; /* Use GFT_ID */ 458 int isp_use_gff_id; /* Use GFF_ID */ 459 460 /* 461 * Current active WWNN/WWPN 462 */ 463 uint64_t isp_wwnn; 464 uint64_t isp_wwpn; 465 466 /* 467 * NVRAM WWNN/WWPN 468 */ 469 uint64_t isp_wwnn_nvram; 470 uint64_t isp_wwpn_nvram; 471 472 /* 473 * Our Port Data Base 474 */ 475 fcportdb_t portdb[MAX_FC_TARG]; 476 477 /* 478 * Scratch DMA mapped in area to fetch Port Database stuff, etc. 479 */ 480 void * isp_scratch; 481 XS_DMA_ADDR_T isp_scdma; 482 483 uint8_t isp_scanscratch[ISP_FC_SCRLEN]; 484 } fcparam; 485 486 #define FW_CONFIG_WAIT 0 487 #define FW_WAIT_LINK 1 488 #define FW_WAIT_LOGIN 2 489 #define FW_READY 3 490 #define FW_LOSS_OF_SYNC 4 491 #define FW_ERROR 5 492 #define FW_REINIT 6 493 #define FW_NON_PART 7 494 495 #define LOOP_NIL 0 496 #define LOOP_HAVE_LINK 1 497 #define LOOP_HAVE_ADDR 2 498 #define LOOP_TESTING_LINK 3 499 #define LOOP_LTEST_DONE 4 500 #define LOOP_SCANNING_LOOP 5 501 #define LOOP_LSCAN_DONE 6 502 #define LOOP_SCANNING_FABRIC 7 503 #define LOOP_FSCAN_DONE 8 504 #define LOOP_SYNCING_PDB 9 505 #define LOOP_READY 10 506 507 #define TOPO_NL_PORT 0 508 #define TOPO_FL_PORT 1 509 #define TOPO_N_PORT 2 510 #define TOPO_F_PORT 3 511 #define TOPO_PTP_STUB 4 512 513 #define TOPO_IS_FABRIC(x) ((x) == TOPO_FL_PORT || (x) == TOPO_F_PORT) 514 515 #define FCP_AL_DA_ALL 0xFF 516 #define FCP_AL_PA(fcp) ((uint8_t)(fcp->isp_portid)) 517 #define FCP_IS_DEST_ALPD(fcp, alpd) (FCP_AL_PA((fcp)) == FCP_AL_DA_ALL || FCP_AL_PA((fcp)) == alpd) 518 519 /* 520 * Soft Structure per host adapter 521 */ 522 struct ispsoftc { 523 /* 524 * Platform (OS) specific data 525 */ 526 struct isposinfo isp_osinfo; 527 528 /* 529 * Pointer to bus specific functions and data 530 */ 531 struct ispmdvec * isp_mdvec; 532 533 /* 534 * (Mostly) nonvolatile state. Board specific parameters 535 * may contain some volatile state (e.g., current loop state). 536 */ 537 538 void * isp_param; /* type specific */ 539 uint64_t isp_fwattr; /* firmware attributes */ 540 uint16_t isp_fwrev[3]; /* Loaded F/W revision */ 541 uint16_t isp_maxcmds; /* max possible I/O cmds */ 542 uint8_t isp_type; /* HBA Chip Type */ 543 uint8_t isp_revision; /* HBA Chip H/W Revision */ 544 uint8_t isp_nirq; /* number of IRQs */ 545 uint16_t isp_nchan; /* number of channels */ 546 uint32_t isp_maxluns; /* maximum luns supported */ 547 548 uint32_t isp_clock : 8, /* input clock */ 549 : 5, 550 isp_port : 1, /* 23XX/24XX only */ 551 isp_bustype : 1, /* SBus or PCI */ 552 isp_loaded_fw : 1, /* loaded firmware */ 553 isp_dblev : 16; /* debug log mask */ 554 555 556 uint32_t isp_confopts; /* config options */ 557 558 uint32_t isp_rqstinrp; /* register for REQINP */ 559 uint32_t isp_rqstoutrp; /* register for REQOUTP */ 560 uint32_t isp_respinrp; /* register for RESINP */ 561 uint32_t isp_respoutrp; /* register for RESOUTP */ 562 563 /* 564 * Volatile state 565 */ 566 567 volatile u_int isp_mboxbsy; /* mailbox command active */ 568 volatile u_int isp_state; 569 volatile mbreg_t isp_curmbx; /* currently active mailbox command */ 570 volatile uint32_t isp_reqodx; /* index of last ISP pickup */ 571 volatile uint32_t isp_reqidx; /* index of next request */ 572 volatile uint32_t isp_residx; /* index of last ISP write */ 573 volatile uint32_t isp_resodx; /* index of next result */ 574 volatile uint32_t isp_atioodx; /* index of next ATIO */ 575 volatile uint32_t isp_obits; /* mailbox command output */ 576 volatile uint32_t isp_serno; /* rolling serial number */ 577 volatile uint16_t isp_mboxtmp[MAX_MAILBOX]; 578 volatile uint16_t isp_lastmbxcmd; /* last mbox command sent */ 579 volatile uint16_t isp_seqno; /* running sequence number */ 580 581 /* 582 * Active commands are stored here, indexed by handle functions. 583 */ 584 isp_hdl_t *isp_xflist; 585 isp_hdl_t *isp_xffree; 586 587 /* 588 * DMA mapped in area for synchronous IOCB requests. 589 */ 590 void * isp_iocb; 591 XS_DMA_ADDR_T isp_iocb_dma; 592 593 /* 594 * request/result queue pointers and DMA handles for them. 595 */ 596 void * isp_rquest; 597 void * isp_result; 598 XS_DMA_ADDR_T isp_rquest_dma; 599 XS_DMA_ADDR_T isp_result_dma; 600 #ifdef ISP_TARGET_MODE 601 /* for 24XX only */ 602 void * isp_atioq; 603 XS_DMA_ADDR_T isp_atioq_dma; 604 #endif 605 }; 606 607 #define SDPARAM(isp, chan) (&((sdparam *)(isp)->isp_param)[(chan)]) 608 #define FCPARAM(isp, chan) (&((fcparam *)(isp)->isp_param)[(chan)]) 609 610 #define ISP_SET_SENDMARKER(isp, chan, val) \ 611 if (IS_FC(isp)) { \ 612 FCPARAM(isp, chan)->sendmarker = val; \ 613 } else { \ 614 SDPARAM(isp, chan)->sendmarker = val; \ 615 } 616 617 #define ISP_TST_SENDMARKER(isp, chan) \ 618 (IS_FC(isp)? \ 619 FCPARAM(isp, chan)->sendmarker != 0 : \ 620 SDPARAM(isp, chan)->sendmarker != 0) 621 622 /* 623 * ISP Driver Run States 624 */ 625 #define ISP_NILSTATE 0 626 #define ISP_CRASHED 1 627 #define ISP_RESETSTATE 2 628 #define ISP_INITSTATE 3 629 #define ISP_RUNSTATE 4 630 631 /* 632 * ISP Runtime Configuration Options 633 */ 634 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */ 635 #define ISP_CFG_PORT_PREF 0x0e /* Mask for Port Prefs (all FC except 2100) */ 636 #define ISP_CFG_PORT_DEF 0x00 /* prefer connection type from NVRAM */ 637 #define ISP_CFG_LPORT_ONLY 0x02 /* insist on {N/F}L-Port connection */ 638 #define ISP_CFG_NPORT_ONLY 0x04 /* insist on {N/F}-Port connection */ 639 #define ISP_CFG_LPORT 0x06 /* prefer {N/F}L-Port connection */ 640 #define ISP_CFG_NPORT 0x08 /* prefer {N/F}-Port connection */ 641 #define ISP_CFG_1GB 0x10 /* force 1Gb connection (23XX only) */ 642 #define ISP_CFG_2GB 0x20 /* force 2Gb connection (23XX only) */ 643 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */ 644 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */ 645 #define ISP_CFG_NOFCTAPE 0x100 /* disable FC-Tape */ 646 #define ISP_CFG_FCTAPE 0x200 /* enable FC-Tape */ 647 #define ISP_CFG_OWNFSZ 0x400 /* override NVRAM frame size */ 648 #define ISP_CFG_OWNLOOPID 0x800 /* override NVRAM loopid */ 649 #define ISP_CFG_OWNEXCTHROTTLE 0x1000 /* override NVRAM execution throttle */ 650 #define ISP_CFG_4GB 0x2000 /* force 4Gb connection (24XX only) */ 651 #define ISP_CFG_8GB 0x4000 /* force 8Gb connection (25XX only) */ 652 #define ISP_CFG_16GB 0x8000 /* force 16Gb connection (26XX only) */ 653 #define ISP_CFG_32GB 0x10000 /* force 32Gb connection (27XX only) */ 654 655 /* 656 * For each channel, the outer layers should know what role that channel 657 * will take: ISP_ROLE_NONE, ISP_ROLE_INITIATOR, ISP_ROLE_TARGET, 658 * ISP_ROLE_BOTH. 659 * 660 * If you set ISP_ROLE_NONE, the cards will be reset, new firmware loaded, 661 * NVRAM read, and defaults set, but any further initialization (e.g. 662 * INITIALIZE CONTROL BLOCK commands for 2X00 cards) won't be done. 663 * 664 * If INITIATOR MODE isn't set, attempts to run commands will be stopped 665 * at isp_start and completed with the equivalent of SELECTION TIMEOUT. 666 * 667 * If TARGET MODE is set, it doesn't mean that the rest of target mode support 668 * needs to be enabled, or will even work. What happens with the 2X00 cards 669 * here is that if you have enabled it with TARGET MODE as part of the ICB 670 * options, but you haven't given the f/w any ram resources for ATIOs or 671 * Immediate Notifies, the f/w just handles what it can and you never see 672 * anything. Basically, it sends a single byte of data (the first byte, 673 * which you can set as part of the INITIALIZE CONTROL BLOCK command) for 674 * INQUIRY, and sends back QUEUE FULL status for any other command. 675 * 676 */ 677 #define ISP_ROLE_NONE 0x0 678 #define ISP_ROLE_TARGET 0x1 679 #define ISP_ROLE_INITIATOR 0x2 680 #define ISP_ROLE_BOTH (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR) 681 #define ISP_ROLE_EITHER ISP_ROLE_BOTH 682 #ifndef ISP_DEFAULT_ROLES 683 /* 684 * Counterintuitively, we prefer to default to role 'none' 685 * if we are enable target mode support. This gives us the 686 * maximum flexibility as to which port will do what. 687 */ 688 #ifdef ISP_TARGET_MODE 689 #define ISP_DEFAULT_ROLES ISP_ROLE_NONE 690 #else 691 #define ISP_DEFAULT_ROLES ISP_ROLE_INITIATOR 692 #endif 693 #endif 694 695 696 /* 697 * Firmware related defines 698 */ 699 #define ISP_CODE_ORG 0x1000 /* default f/w code start */ 700 #define ISP_CODE_ORG_2300 0x0800 /* ..except for 2300s */ 701 #define ISP_CODE_ORG_2400 0x100000 /* ..and 2400s */ 702 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic) 703 #define ISP_FW_MAJOR(code) ((code >> 24) & 0xff) 704 #define ISP_FW_MINOR(code) ((code >> 16) & 0xff) 705 #define ISP_FW_MICRO(code) ((code >> 8) & 0xff) 706 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2]) 707 #define ISP_FW_MAJORX(xp) (xp[0]) 708 #define ISP_FW_MINORX(xp) (xp[1]) 709 #define ISP_FW_MICROX(xp) (xp[2]) 710 #define ISP_FW_NEWER_THAN(i, major, minor, micro) \ 711 (ISP_FW_REVX((i)->isp_fwrev) > ISP_FW_REV(major, minor, micro)) 712 #define ISP_FW_OLDER_THAN(i, major, minor, micro) \ 713 (ISP_FW_REVX((i)->isp_fwrev) < ISP_FW_REV(major, minor, micro)) 714 715 /* 716 * Bus (implementation) types 717 */ 718 #define ISP_BT_PCI 0 /* PCI Implementations */ 719 #define ISP_BT_SBUS 1 /* SBus Implementations */ 720 721 /* 722 * If we have not otherwise defined SBus support away make sure 723 * it is defined here such that the code is included as default 724 */ 725 #ifndef ISP_SBUS_SUPPORTED 726 #define ISP_SBUS_SUPPORTED 1 727 #endif 728 729 /* 730 * Chip Types 731 */ 732 #define ISP_HA_SCSI 0xf 733 #define ISP_HA_SCSI_UNKNOWN 0x1 734 #define ISP_HA_SCSI_1020 0x2 735 #define ISP_HA_SCSI_1020A 0x3 736 #define ISP_HA_SCSI_1040 0x4 737 #define ISP_HA_SCSI_1040A 0x5 738 #define ISP_HA_SCSI_1040B 0x6 739 #define ISP_HA_SCSI_1040C 0x7 740 #define ISP_HA_SCSI_1240 0x8 741 #define ISP_HA_SCSI_1080 0x9 742 #define ISP_HA_SCSI_1280 0xa 743 #define ISP_HA_SCSI_10160 0xb 744 #define ISP_HA_SCSI_12160 0xc 745 #define ISP_HA_FC 0xf0 746 #define ISP_HA_FC_2100 0x10 747 #define ISP_HA_FC_2200 0x20 748 #define ISP_HA_FC_2300 0x30 749 #define ISP_HA_FC_2312 0x40 750 #define ISP_HA_FC_2322 0x50 751 #define ISP_HA_FC_2400 0x60 752 #define ISP_HA_FC_2500 0x70 753 #define ISP_HA_FC_2600 0x80 754 #define ISP_HA_FC_2700 0x90 755 756 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI) 757 #define IS_1020(isp) (isp->isp_type < ISP_HA_SCSI_1240) 758 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240) 759 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080) 760 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280) 761 #define IS_10160(isp) (isp->isp_type == ISP_HA_SCSI_10160) 762 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160) 763 764 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp)) 765 #define IS_1X160(isp) (IS_10160(isp) || IS_12160(isp)) 766 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp)) 767 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_1X160(isp)) 768 #define IS_ULTRA3(isp) (IS_1X160(isp)) 769 770 #define IS_FC(isp) ((isp)->isp_type & ISP_HA_FC) 771 #define IS_2100(isp) ((isp)->isp_type == ISP_HA_FC_2100) 772 #define IS_2200(isp) ((isp)->isp_type == ISP_HA_FC_2200) 773 #define IS_23XX(isp) ((isp)->isp_type >= ISP_HA_FC_2300 && \ 774 (isp)->isp_type < ISP_HA_FC_2400) 775 #define IS_2300(isp) ((isp)->isp_type == ISP_HA_FC_2300) 776 #define IS_2312(isp) ((isp)->isp_type == ISP_HA_FC_2312) 777 #define IS_2322(isp) ((isp)->isp_type == ISP_HA_FC_2322) 778 #define IS_24XX(isp) ((isp)->isp_type >= ISP_HA_FC_2400) 779 #define IS_25XX(isp) ((isp)->isp_type >= ISP_HA_FC_2500) 780 #define IS_26XX(isp) ((isp)->isp_type >= ISP_HA_FC_2600) 781 #define IS_27XX(isp) ((isp)->isp_type >= ISP_HA_FC_2700) 782 783 /* 784 * DMA related macros 785 */ 786 #define DMA_WD3(x) (((uint16_t)(((uint64_t)x) >> 48)) & 0xffff) 787 #define DMA_WD2(x) (((uint16_t)(((uint64_t)x) >> 32)) & 0xffff) 788 #define DMA_WD1(x) ((uint16_t)((x) >> 16) & 0xffff) 789 #define DMA_WD0(x) ((uint16_t)((x) & 0xffff)) 790 791 #define DMA_LO32(x) ((uint32_t) (x)) 792 #define DMA_HI32(x) ((uint32_t)(((uint64_t)x) >> 32)) 793 794 /* 795 * Core System Function Prototypes 796 */ 797 798 /* 799 * Reset Hardware. Totally. Assumes that you'll follow this with a call to isp_init. 800 */ 801 void isp_reset(ispsoftc_t *, int); 802 803 /* 804 * Initialize Hardware to known state 805 */ 806 void isp_init(ispsoftc_t *); 807 808 /* 809 * Reset the ISP and call completion for any orphaned commands. 810 */ 811 int isp_reinit(ispsoftc_t *, int); 812 813 /* 814 * Shutdown hardware after use. 815 */ 816 void isp_shutdown(ispsoftc_t *); 817 818 /* 819 * Internal Interrupt Service Routine 820 */ 821 #ifdef ISP_TARGET_MODE 822 void isp_intr_atioq(ispsoftc_t *); 823 #endif 824 void isp_intr_async(ispsoftc_t *, uint16_t event); 825 void isp_intr_mbox(ispsoftc_t *, uint16_t mbox0); 826 void isp_intr_respq(ispsoftc_t *); 827 828 829 /* 830 * Command Entry Point- Platform Dependent layers call into this 831 */ 832 int isp_start(XS_T *); 833 834 /* these values are what isp_start returns */ 835 #define CMD_COMPLETE 101 /* command completed */ 836 #define CMD_EAGAIN 102 /* busy- maybe retry later */ 837 #define CMD_QUEUED 103 /* command has been queued for execution */ 838 #define CMD_RQLATER 104 /* requeue this command later */ 839 840 /* 841 * Command Completion Point- Core layers call out from this with completed cmds 842 */ 843 void isp_done(XS_T *); 844 845 /* 846 * Platform Dependent to External to Internal Control Function 847 * 848 * Assumes locks are held on entry. You should note that with many of 849 * these commands locks may be released while this function is called. 850 * 851 * ... ISPCTL_RESET_BUS, int channel); 852 * Reset BUS on this channel 853 * ... ISPCTL_RESET_DEV, int channel, int target); 854 * Reset Device on this channel at this target. 855 * ... ISPCTL_ABORT_CMD, XS_T *xs); 856 * Abort active transaction described by xs. 857 * ... IPCTL_UPDATE_PARAMS); 858 * Update any operating parameters (speed, etc.) 859 * ... ISPCTL_FCLINK_TEST, int channel); 860 * Test FC link status on this channel 861 * ... ISPCTL_SCAN_LOOP, int channel); 862 * Scan local loop on this channel 863 * ... ISPCTL_SCAN_FABRIC, int channel); 864 * Scan fabric on this channel 865 * ... ISPCTL_PDB_SYNC, int channel); 866 * Synchronize port database on this channel 867 * ... ISPCTL_SEND_LIP, int channel); 868 * Send a LIP on this channel 869 * ... ISPCTL_GET_NAMES, int channel, int np, uint64_t *wwnn, uint64_t *wwpn) 870 * Get a WWNN/WWPN for this N-port handle on this channel 871 * ... ISPCTL_RUN_MBOXCMD, mbreg_t *mbp) 872 * Run this mailbox command 873 * ... ISPCTL_GET_PDB, int channel, int nphandle, isp_pdb_t *pdb) 874 * Get PDB on this channel for this N-port handle 875 * ... ISPCTL_PLOGX, isp_plcmd_t *) 876 * Performa a port login/logout 877 * ... ISPCTL_CHANGE_ROLE, int channel, int role); 878 * Change role of specified channel 879 * 880 * ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in 881 * order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_LOOP, and ISPCTL_SCAN_FABRIC. 882 * The main purpose of ISPCTL_PDB_SYNC is to complete management of logging 883 * and logging out of fabric devices (if one is on a fabric) and then marking 884 * the 'loop state' as being ready to now be used for sending commands to 885 * devices. 886 */ 887 typedef enum { 888 ISPCTL_RESET_BUS, 889 ISPCTL_RESET_DEV, 890 ISPCTL_ABORT_CMD, 891 ISPCTL_UPDATE_PARAMS, 892 ISPCTL_FCLINK_TEST, 893 ISPCTL_SCAN_FABRIC, 894 ISPCTL_SCAN_LOOP, 895 ISPCTL_PDB_SYNC, 896 ISPCTL_SEND_LIP, 897 ISPCTL_GET_NAMES, 898 ISPCTL_RUN_MBOXCMD, 899 ISPCTL_GET_PDB, 900 ISPCTL_PLOGX, 901 ISPCTL_CHANGE_ROLE 902 } ispctl_t; 903 int isp_control(ispsoftc_t *, ispctl_t, ...); 904 905 /* 906 * Platform Dependent to Internal to External Control Function 907 */ 908 909 typedef enum { 910 ISPASYNC_NEW_TGT_PARAMS, /* SPI New Target Parameters */ 911 ISPASYNC_BUS_RESET, /* All Bus Was Reset */ 912 ISPASYNC_LOOP_DOWN, /* FC Loop Down */ 913 ISPASYNC_LOOP_UP, /* FC Loop Up */ 914 ISPASYNC_LIP, /* FC LIP Received */ 915 ISPASYNC_LOOP_RESET, /* FC Loop Reset Received */ 916 ISPASYNC_CHANGE_NOTIFY, /* FC Change Notification */ 917 ISPASYNC_DEV_ARRIVED, /* FC Device Arrived */ 918 ISPASYNC_DEV_CHANGED, /* FC Device Changed */ 919 ISPASYNC_DEV_STAYED, /* FC Device Stayed */ 920 ISPASYNC_DEV_GONE, /* FC Device Departure */ 921 ISPASYNC_TARGET_NOTIFY, /* All target async notification */ 922 ISPASYNC_TARGET_NOTIFY_ACK, /* All target notify ack required */ 923 ISPASYNC_TARGET_ACTION, /* All target action requested */ 924 ISPASYNC_FW_CRASH, /* All Firmware has crashed */ 925 ISPASYNC_FW_RESTARTED /* All Firmware has been restarted */ 926 } ispasync_t; 927 void isp_async(ispsoftc_t *, ispasync_t, ...); 928 929 #define ISPASYNC_CHANGE_PDB 0 930 #define ISPASYNC_CHANGE_SNS 1 931 #define ISPASYNC_CHANGE_OTHER 2 932 933 /* 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_NEED_DMA64_SEG(..) dma segment needs 64 bit storage 1020 * XS_ISP(xs) gets an instance out of an XS_T 1021 * XS_CHANNEL(xs) gets the channel (bus # for DUALBUS cards) "" 1022 * XS_TGT(xs) gets the target "" 1023 * XS_LUN(xs) gets the lun "" 1024 * XS_CDBP(xs) gets a pointer to the scsi CDB "" 1025 * XS_CDBLEN(xs) gets the CDB's length "" 1026 * XS_XFRLEN(xs) gets the associated data transfer length "" 1027 * XS_TIME(xs) gets the time (in seconds) for this command 1028 * XS_GET_RESID(xs) gets the current residual count 1029 * XS_GET_RESID(xs, resid) sets the current residual count 1030 * XS_STSP(xs) gets a pointer to the SCSI status byte "" 1031 * XS_SNSP(xs) gets a pointer to the associate sense data 1032 * XS_TOT_SNSLEN(xs) gets the total length of sense data storage 1033 * XS_CUR_SNSLEN(xs) gets the currently used length of sense data storage 1034 * XS_SNSKEY(xs) dereferences XS_SNSP to get the current stored Sense Key 1035 * XS_SNSASC(xs) dereferences XS_SNSP to get the current stored Additional Sense Code 1036 * XS_SNSASCQ(xs) dereferences XS_SNSP to get the current stored Additional Sense Code Qualifier 1037 * XS_TAG_P(xs) predicate of whether this command should be tagged 1038 * XS_TAG_TYPE(xs) which type of tag to use 1039 * XS_SETERR(xs) set error state 1040 * 1041 * HBA_NOERROR command has no erros 1042 * HBA_BOTCH hba botched something 1043 * HBA_CMDTIMEOUT command timed out 1044 * HBA_SELTIMEOUT selection timed out (also port logouts for FC) 1045 * HBA_TGTBSY target returned a BUSY status 1046 * HBA_BUSRESET bus reset destroyed command 1047 * HBA_ABORTED command was aborted (by request) 1048 * HBA_DATAOVR a data overrun was detected 1049 * HBA_ARQFAIL Automatic Request Sense failed 1050 * 1051 * XS_ERR(xs) return current error state 1052 * XS_NOERR(xs) there is no error currently set 1053 * XS_INITERR(xs) initialize error state 1054 * 1055 * XS_SAVE_SENSE(xs, sp, len) save sense data 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_RVALID 0x200 1140 #define ECMD_TERMINATE 0x400 1141 1142 /* 1143 * Handle an asynchronous event 1144 */ 1145 void isp_target_async(ispsoftc_t *, int, int); 1146 #endif 1147 #endif /* _ISPVAR_H */ 1148