1 /* $FreeBSD$ */ 2 /*- 3 * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions 4 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002 by Matthew Jacob 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 * 1. Redistributions of source code must retain the above copyright 10 * notice immediately at the beginning of the file, without modification, 11 * this list of conditions, and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 #ifndef _ISP_FREEBSD_H 28 #define _ISP_FREEBSD_H 29 30 #define ISP_PLATFORM_VERSION_MAJOR 5 31 #define ISP_PLATFORM_VERSION_MINOR 9 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/endian.h> 36 #include <sys/kernel.h> 37 #include <sys/queue.h> 38 #include <sys/lock.h> 39 #include <sys/malloc.h> 40 #include <sys/mutex.h> 41 #include <sys/condvar.h> 42 #include <sys/proc.h> 43 #include <sys/bus.h> 44 45 #include <machine/bus.h> 46 #include <machine/clock.h> 47 #include <machine/cpu.h> 48 49 #include <cam/cam.h> 50 #include <cam/cam_debug.h> 51 #include <cam/cam_ccb.h> 52 #include <cam/cam_sim.h> 53 #include <cam/cam_xpt.h> 54 #include <cam/cam_xpt_sim.h> 55 #include <cam/cam_debug.h> 56 #include <cam/scsi/scsi_all.h> 57 #include <cam/scsi/scsi_message.h> 58 59 #include "opt_ddb.h" 60 #include "opt_isp.h" 61 62 #ifdef PAE 63 #define ISP_DAC_SUPPORTED 1 64 #endif 65 66 /* 67 * Efficiency- get rid of SBus code && tests unless we need them. 68 */ 69 #ifdef __sparc64__ 70 #define ISP_SBUS_SUPPORTED 1 71 #else 72 #define ISP_SBUS_SUPPORTED 0 73 #endif 74 75 #define HANDLE_LOOPSTATE_IN_OUTER_LAYERS 1 76 /* #define ISP_SMPLOCK 1 */ 77 78 #ifdef ISP_SMPLOCK 79 #define ISP_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE 80 #else 81 #define ISP_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY 82 #endif 83 84 typedef void ispfwfunc(int, int, int, u_int16_t **); 85 86 #ifdef ISP_TARGET_MODE 87 #define ISP_TARGET_FUNCTIONS 1 88 #define ATPDPSIZE 256 89 typedef struct { 90 u_int32_t orig_datalen; 91 u_int32_t bytes_xfered; 92 u_int32_t last_xframt; 93 u_int32_t tag : 16, 94 lun : 13, /* not enough */ 95 state : 3; 96 } atio_private_data_t; 97 #define ATPD_STATE_FREE 0 98 #define ATPD_STATE_ATIO 1 99 #define ATPD_STATE_CAM 2 100 #define ATPD_STATE_CTIO 3 101 #define ATPD_STATE_LAST_CTIO 4 102 #define ATPD_STATE_PDON 5 103 104 typedef struct tstate { 105 struct tstate *next; 106 struct cam_path *owner; 107 struct ccb_hdr_slist atios; 108 struct ccb_hdr_slist inots; 109 lun_id_t lun; 110 int bus; 111 u_int32_t hold; 112 int atio_count; 113 int inot_count; 114 } tstate_t; 115 116 #define LUN_HASH_SIZE 32 117 #define LUN_HASH_FUNC(isp, port, lun) \ 118 ((IS_DUALBUS(isp)) ? \ 119 (((lun) & ((LUN_HASH_SIZE >> 1) - 1)) << (port)) : \ 120 ((lun) & (LUN_HASH_SIZE - 1))) 121 #endif 122 123 struct isposinfo { 124 struct ispsoftc * next; 125 u_int64_t default_port_wwn; 126 u_int64_t default_node_wwn; 127 u_int32_t default_id; 128 device_t dev; 129 struct cam_sim *sim; 130 struct cam_path *path; 131 struct cam_sim *sim2; 132 struct cam_path *path2; 133 struct intr_config_hook ehook; 134 u_int8_t : 1, 135 fcbsy : 1, 136 ktmature : 1, 137 mboxwaiting : 1, 138 intsok : 1, 139 simqfrozen : 3; 140 struct mtx lock; 141 struct cv kthread_cv; 142 struct proc *kproc; 143 bus_dma_tag_t cdmat; 144 bus_dmamap_t cdmap; 145 #define isp_cdmat isp_osinfo.cdmat 146 #define isp_cdmap isp_osinfo.cdmap 147 #ifdef ISP_TARGET_MODE 148 #define TM_WILDCARD_ENABLED 0x02 149 #define TM_TMODE_ENABLED 0x01 150 u_int8_t tmflags[2]; /* two busses */ 151 #define NLEACT 4 152 union ccb * leact[NLEACT]; 153 tstate_t tsdflt[2]; /* two busses */ 154 tstate_t *lun_hash[LUN_HASH_SIZE]; 155 atio_private_data_t atpdp[ATPDPSIZE]; 156 #endif 157 }; 158 159 #define isp_lock isp_osinfo.lock 160 161 /* 162 * Locking macros... 163 */ 164 165 #ifdef ISP_SMPLOCK 166 #define ISP_LOCK(x) mtx_lock(&(x)->isp_lock) 167 #define ISP_UNLOCK(x) mtx_unlock(&(x)->isp_lock) 168 #define ISPLOCK_2_CAMLOCK(isp) \ 169 mtx_unlock(&(isp)->isp_lock); mtx_lock(&Giant) 170 #define CAMLOCK_2_ISPLOCK(isp) \ 171 mtx_unlock(&Giant); mtx_lock(&(isp)->isp_lock) 172 #else 173 #define ISP_LOCK(x) do { } while (0) 174 #define ISP_UNLOCK(x) do { } while (0) 175 #define ISPLOCK_2_CAMLOCK(isp) do { } while (0) 176 #define CAMLOCK_2_ISPLOCK(isp) do { } while (0) 177 #endif 178 179 /* 180 * Required Macros/Defines 181 */ 182 183 #define INLINE __inline 184 185 #define ISP2100_SCRLEN 0x800 186 187 #define MEMZERO bzero 188 #define MEMCPY(dst, src, amt) bcopy((src), (dst), (amt)) 189 #define SNPRINTF snprintf 190 #define USEC_DELAY DELAY 191 #define USEC_SLEEP(isp, x) \ 192 if (isp->isp_osinfo.intsok) \ 193 ISP_UNLOCK(isp); \ 194 DELAY(x); \ 195 if (isp->isp_osinfo.intsok) \ 196 ISP_LOCK(isp) 197 198 #define NANOTIME_T struct timespec 199 #define GET_NANOTIME nanotime 200 #define GET_NANOSEC(x) ((x)->tv_sec * 1000000000 + (x)->tv_nsec) 201 #define NANOTIME_SUB nanotime_sub 202 203 #define MAXISPREQUEST(isp) ((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256) 204 205 #define MEMORYBARRIER(isp, type, offset, size) \ 206 switch (type) { \ 207 case SYNC_SFORDEV: \ 208 case SYNC_REQUEST: \ 209 bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, \ 210 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); \ 211 break; \ 212 case SYNC_SFORCPU: \ 213 case SYNC_RESULT: \ 214 bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, \ 215 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); \ 216 break; \ 217 default: \ 218 break; \ 219 } 220 221 #define MBOX_ACQUIRE(isp) 222 #define MBOX_WAIT_COMPLETE isp_mbox_wait_complete 223 #define MBOX_NOTIFY_COMPLETE(isp) \ 224 if (isp->isp_osinfo.mboxwaiting) { \ 225 isp->isp_osinfo.mboxwaiting = 0; \ 226 wakeup(&isp->isp_mbxworkp); \ 227 } \ 228 isp->isp_mboxbsy = 0 229 #define MBOX_RELEASE(isp) 230 231 #define FC_SCRATCH_ACQUIRE(isp) \ 232 if (isp->isp_osinfo.fcbsy) { \ 233 isp_prt(isp, ISP_LOGWARN, \ 234 "FC scratch area busy (line %d)!", __LINE__); \ 235 } else \ 236 isp->isp_osinfo.fcbsy = 1 237 #define FC_SCRATCH_RELEASE(isp) isp->isp_osinfo.fcbsy = 0 238 239 #ifndef SCSI_GOOD 240 #define SCSI_GOOD SCSI_STATUS_OK 241 #endif 242 #ifndef SCSI_CHECK 243 #define SCSI_CHECK SCSI_STATUS_CHECK_COND 244 #endif 245 #ifndef SCSI_BUSY 246 #define SCSI_BUSY SCSI_STATUS_BUSY 247 #endif 248 #ifndef SCSI_QFULL 249 #define SCSI_QFULL SCSI_STATUS_QUEUE_FULL 250 #endif 251 252 #define XS_T struct ccb_scsiio 253 #define XS_ISP(ccb) ((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1) 254 #define XS_CHANNEL(ccb) cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path)) 255 #define XS_TGT(ccb) (ccb)->ccb_h.target_id 256 #define XS_LUN(ccb) (ccb)->ccb_h.target_lun 257 258 #define XS_CDBP(ccb) \ 259 (((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \ 260 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes) 261 262 #define XS_CDBLEN(ccb) (ccb)->cdb_len 263 #define XS_XFRLEN(ccb) (ccb)->dxfer_len 264 #define XS_TIME(ccb) (ccb)->ccb_h.timeout 265 #define XS_RESID(ccb) (ccb)->resid 266 #define XS_STSP(ccb) (&(ccb)->scsi_status) 267 #define XS_SNSP(ccb) (&(ccb)->sense_data) 268 269 #define XS_SNSLEN(ccb) \ 270 imin((sizeof((ccb)->sense_data)), ccb->sense_len) 271 272 #define XS_SNSKEY(ccb) ((ccb)->sense_data.flags & 0xf) 273 #define XS_TAG_P(ccb) \ 274 (((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \ 275 (ccb)->tag_action != CAM_TAG_ACTION_NONE) 276 277 #define XS_TAG_TYPE(ccb) \ 278 ((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \ 279 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG)) 280 281 282 #define XS_SETERR(ccb, v) (ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \ 283 (ccb)->ccb_h.status |= v, \ 284 (ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET 285 286 # define HBA_NOERROR CAM_REQ_INPROG 287 # define HBA_BOTCH CAM_UNREC_HBA_ERROR 288 # define HBA_CMDTIMEOUT CAM_CMD_TIMEOUT 289 # define HBA_SELTIMEOUT CAM_SEL_TIMEOUT 290 # define HBA_TGTBSY CAM_SCSI_STATUS_ERROR 291 # define HBA_BUSRESET CAM_SCSI_BUS_RESET 292 # define HBA_ABORTED CAM_REQ_ABORTED 293 # define HBA_DATAOVR CAM_DATA_RUN_ERR 294 # define HBA_ARQFAIL CAM_AUTOSENSE_FAIL 295 296 297 #define XS_ERR(ccb) ((ccb)->ccb_h.status & CAM_STATUS_MASK) 298 299 #define XS_NOERR(ccb) \ 300 (((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \ 301 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) 302 303 #define XS_INITERR(ccb) \ 304 XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0 305 306 #define XS_SAVE_SENSE(xs, sp) \ 307 (xs)->ccb_h.status |= CAM_AUTOSNS_VALID, \ 308 bcopy(sp->req_sense_data, &(xs)->sense_data, \ 309 imin(XS_SNSLEN(xs), sp->req_sense_len)) 310 311 #define XS_SET_STATE_STAT(a, b, c) 312 313 #define DEFAULT_IID(x) (isp)->isp_osinfo.default_id 314 #define DEFAULT_LOOPID(x) (isp)->isp_osinfo.default_id 315 #define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.default_node_wwn 316 #define DEFAULT_PORTWWN(isp) (isp)->isp_osinfo.default_port_wwn 317 #define ISP_NODEWWN(isp) FCPARAM(isp)->isp_nodewwn 318 #define ISP_PORTWWN(isp) FCPARAM(isp)->isp_portwwn 319 320 #if BYTE_ORDER == BIG_ENDIAN 321 #ifdef ISP_SBUS_SUPPORTED 322 #define ISP_IOXPUT_8(isp, s, d) *(d) = s 323 #define ISP_IOXPUT_16(isp, s, d) \ 324 *(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s) 325 #define ISP_IOXPUT_32(isp, s, d) \ 326 *(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s) 327 #define ISP_IOXGET_8(isp, s, d) d = (*((u_int8_t *)s)) 328 #define ISP_IOXGET_16(isp, s, d) \ 329 d = (isp->isp_bustype == ISP_BT_SBUS)? \ 330 *((u_int16_t *)s) : bswap16(*((u_int16_t *)s)) 331 #define ISP_IOXGET_32(isp, s, d) \ 332 d = (isp->isp_bustype == ISP_BT_SBUS)? \ 333 *((u_int32_t *)s) : bswap32(*((u_int32_t *)s)) 334 #else 335 #define ISP_IOXPUT_8(isp, s, d) *(d) = s 336 #define ISP_IOXPUT_16(isp, s, d) *(d) = bswap16(s) 337 #define ISP_IOXPUT_32(isp, s, d) *(d) = bswap32(s) 338 #define ISP_IOXGET_8(isp, s, d) d = (*((u_int8_t *)s)) 339 #define ISP_IOXGET_16(isp, s, d) d = bswap16(*((u_int16_t *)s)) 340 #define ISP_IOXGET_32(isp, s, d) d = bswap32(*((u_int32_t *)s)) 341 #endif 342 #define ISP_SWIZZLE_NVRAM_WORD(isp, rp) *rp = bswap16(*rp) 343 #else 344 #define ISP_IOXPUT_8(isp, s, d) *(d) = s 345 #define ISP_IOXPUT_16(isp, s, d) *(d) = s 346 #define ISP_IOXPUT_32(isp, s, d) *(d) = s 347 #define ISP_IOXGET_8(isp, s, d) d = *(s) 348 #define ISP_IOXGET_16(isp, s, d) d = *(s) 349 #define ISP_IOXGET_32(isp, s, d) d = *(s) 350 #define ISP_SWIZZLE_NVRAM_WORD(isp, rp) 351 #endif 352 353 /* 354 * Includes of common header files 355 */ 356 357 #include <dev/isp/ispreg.h> 358 #include <dev/isp/ispvar.h> 359 #include <dev/isp/ispmbox.h> 360 361 void isp_prt(struct ispsoftc *, int level, const char *, ...) 362 __printflike(3, 4); 363 /* 364 * isp_osinfo definiitions && shorthand 365 */ 366 #define SIMQFRZ_RESOURCE 0x1 367 #define SIMQFRZ_LOOPDOWN 0x2 368 #define SIMQFRZ_TIMED 0x4 369 370 #define isp_sim isp_osinfo.sim 371 #define isp_path isp_osinfo.path 372 #define isp_sim2 isp_osinfo.sim2 373 #define isp_path2 isp_osinfo.path2 374 #define isp_dev isp_osinfo.dev 375 376 /* 377 * prototypes for isp_pci && isp_freebsd to share 378 */ 379 extern void isp_attach(struct ispsoftc *); 380 extern void isp_uninit(struct ispsoftc *); 381 382 /* 383 * driver global data 384 */ 385 extern int isp_announced; 386 387 /* 388 * Platform private flags 389 */ 390 #define ISP_SPRIV_ERRSET 0x1 391 #define ISP_SPRIV_INWDOG 0x2 392 #define ISP_SPRIV_GRACE 0x4 393 #define ISP_SPRIV_DONE 0x8 394 395 #define XS_CMD_S_WDOG(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG 396 #define XS_CMD_C_WDOG(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG 397 #define XS_CMD_WDOG_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG) 398 399 #define XS_CMD_S_GRACE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE 400 #define XS_CMD_C_GRACE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE 401 #define XS_CMD_GRACE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE) 402 403 #define XS_CMD_S_DONE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE 404 #define XS_CMD_C_DONE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE 405 #define XS_CMD_DONE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE) 406 407 #define XS_CMD_S_CLEAR(sccb) (sccb)->ccb_h.spriv_field0 = 0 408 /* 409 * Platform specific inline functions 410 */ 411 412 static INLINE void isp_mbox_wait_complete(struct ispsoftc *); 413 static INLINE void 414 isp_mbox_wait_complete(struct ispsoftc *isp) 415 { 416 if (isp->isp_osinfo.intsok) { 417 int lim = ((isp->isp_mbxwrk0)? 120 : 20) * hz; 418 isp->isp_osinfo.mboxwaiting = 1; 419 #ifdef ISP_SMPLOCK 420 (void) msleep(&isp->isp_mbxworkp, 421 &isp->isp_lock, PRIBIO, "isp_mboxwaiting", lim); 422 #else 423 (void) tsleep(&isp->isp_mbxworkp, 424 PRIBIO, "isp_mboxwaiting", lim); 425 #endif 426 if (isp->isp_mboxbsy != 0) { 427 isp_prt(isp, ISP_LOGWARN, 428 "Interrupting Mailbox Command (0x%x) Timeout", 429 isp->isp_lastmbxcmd); 430 isp->isp_mboxbsy = 0; 431 } 432 isp->isp_osinfo.mboxwaiting = 0; 433 } else { 434 int lim = ((isp->isp_mbxwrk0)? 240 : 60) * 10000; 435 int j; 436 for (j = 0; j < lim; j++) { 437 u_int16_t isr, sema, mbox; 438 if (isp->isp_mboxbsy == 0) { 439 break; 440 } 441 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 442 isp_intr(isp, isr, sema, mbox); 443 if (isp->isp_mboxbsy == 0) { 444 break; 445 } 446 } 447 USEC_DELAY(500); 448 } 449 if (isp->isp_mboxbsy != 0) { 450 isp_prt(isp, ISP_LOGWARN, 451 "Polled Mailbox Command (0x%x) Timeout", 452 isp->isp_lastmbxcmd); 453 } 454 } 455 } 456 457 static INLINE u_int64_t nanotime_sub(struct timespec *, struct timespec *); 458 static INLINE u_int64_t 459 nanotime_sub(struct timespec *b, struct timespec *a) 460 { 461 u_int64_t elapsed; 462 struct timespec x = *b; 463 timespecsub(&x, a); 464 elapsed = GET_NANOSEC(&x); 465 if (elapsed == 0) 466 elapsed++; 467 return (elapsed); 468 } 469 470 static INLINE char *strncat(char *, const char *, size_t); 471 static INLINE char * 472 strncat(char *d, const char *s, size_t c) 473 { 474 char *t = d; 475 476 if (c) { 477 while (*d) 478 d++; 479 while ((*d++ = *s++)) { 480 if (--c == 0) { 481 *d = '\0'; 482 break; 483 } 484 } 485 } 486 return (t); 487 } 488 489 /* 490 * Common inline functions 491 */ 492 493 #include <dev/isp/isp_inline.h> 494 #endif /* _ISP_FREEBSD_H */ 495