isp_freebsd.h revision 103035
1132332Smarcel/* $FreeBSD: head/sys/dev/isp/isp_freebsd.h 103035 2002-09-06 18:32:16Z mjacob $ */ 2132360Smarcel/* 3132332Smarcel * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions 4132332Smarcel * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002 by Matthew Jacob 5132332Smarcel * 6132332Smarcel * Redistribution and use in source and binary forms, with or without 7132332Smarcel * modification, are permitted provided that the following conditions 8132332Smarcel * are met: 9132332Smarcel * 1. Redistributions of source code must retain the above copyright 10132332Smarcel * notice immediately at the beginning of the file, without modification, 11132332Smarcel * this list of conditions, and the following disclaimer. 12132332Smarcel * 2. The name of the author may not be used to endorse or promote products 13132332Smarcel * derived from this software without specific prior written permission. 14132332Smarcel * 15132332Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16132332Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17132332Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18132332Smarcel * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19132332Smarcel * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20132332Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21132332Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22132332Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23132332Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24132332Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25132332Smarcel * SUCH DAMAGE. 26132332Smarcel */ 27132332Smarcel#ifndef _ISP_FREEBSD_H 28132332Smarcel#define _ISP_FREEBSD_H 29132332Smarcel 30132332Smarcel#define ISP_PLATFORM_VERSION_MAJOR 5 31132332Smarcel#define ISP_PLATFORM_VERSION_MINOR 9 32132332Smarcel 33132332Smarcel#include <sys/param.h> 34132332Smarcel#include <sys/systm.h> 35132332Smarcel#include <sys/endian.h> 36132332Smarcel#include <sys/kernel.h> 37132332Smarcel#include <sys/queue.h> 38132332Smarcel#include <sys/lock.h> 39132332Smarcel#include <sys/malloc.h> 40132332Smarcel#include <sys/mutex.h> 41132332Smarcel#include <sys/condvar.h> 42132332Smarcel#include <sys/proc.h> 43132332Smarcel#include <sys/bus.h> 44132332Smarcel 45132332Smarcel#include <machine/bus_memio.h> 46132332Smarcel#include <machine/bus_pio.h> 47132332Smarcel#include <machine/bus.h> 48132332Smarcel#include <machine/clock.h> 49132332Smarcel#include <machine/cpu.h> 50132332Smarcel 51132332Smarcel#include <cam/cam.h> 52132332Smarcel#include <cam/cam_debug.h> 53132332Smarcel#include <cam/cam_ccb.h> 54132332Smarcel#include <cam/cam_sim.h> 55132332Smarcel#include <cam/cam_xpt.h> 56132332Smarcel#include <cam/cam_xpt_sim.h> 57132332Smarcel#include <cam/cam_debug.h> 58132332Smarcel#include <cam/scsi/scsi_all.h> 59132332Smarcel#include <cam/scsi/scsi_message.h> 60144922Sdavidxu 61132332Smarcel#include "opt_ddb.h" 62132332Smarcel#include "opt_isp.h" 63132332Smarcel 64132332Smarcel#define ISP_DMA_ADDR_T bus_addr_t 65132332Smarcel 66132332Smarcel/* 67132332Smarcel * Efficiency- get rid of SBus code && tests unless we need them. 68132332Smarcel */ 69132332Smarcel#if _MACHINE_ARCH == sparc64 70132332Smarcel#define ISP_SBUS_SUPPORTED 1 71132332Smarcel#else 72132332Smarcel#define ISP_SBUS_SUPPORTED 0 73132332Smarcel#endif 74132332Smarcel 75132332Smarcel#define HANDLE_LOOPSTATE_IN_OUTER_LAYERS 1 76132360Smarcel/* turn this off for now */ 77132360Smarcel/* #define ISP_SMPLOCK 1 */ 78132360Smarcel 79132360Smarcel#ifdef ISP_SMPLOCK 80132360Smarcel#define ISP_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE 81132360Smarcel#else 82132360Smarcel#define ISP_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY 83132360Smarcel#endif 84132360Smarcel 85132360Smarceltypedef void ispfwfunc(int, int, int, u_int16_t **); 86132360Smarcel 87132360Smarcel#ifdef ISP_TARGET_MODE 88132360Smarcel#define ISP_TARGET_FUNCTIONS 1 89132360Smarcel#define ATPDPSIZE 256 90132332Smarceltypedef struct { 91132332Smarcel u_int32_t orig_datalen; 92132332Smarcel u_int32_t bytes_xfered; 93132332Smarcel u_int32_t last_xframt; 94132332Smarcel u_int32_t tag : 16, 95132332Smarcel lun : 13, /* not enough */ 96132332Smarcel state : 3; 97132332Smarcel} atio_private_data_t; 98132332Smarcel#define ATPD_STATE_FREE 0 99132332Smarcel#define ATPD_STATE_ATIO 1 100132332Smarcel#define ATPD_STATE_CAM 2 101132332Smarcel#define ATPD_STATE_CTIO 3 102132332Smarcel#define ATPD_STATE_LAST_CTIO 4 103132332Smarcel#define ATPD_STATE_PDON 5 104132360Smarcel 105132360Smarceltypedef struct tstate { 106132360Smarcel struct tstate *next; 107132360Smarcel struct cam_path *owner; 108132360Smarcel struct ccb_hdr_slist atios; 109132360Smarcel struct ccb_hdr_slist inots; 110132332Smarcel lun_id_t lun; 111132360Smarcel int bus; 112132332Smarcel u_int32_t hold; 113132332Smarcel int atio_count; 114132360Smarcel} tstate_t; 115132332Smarcel 116132332Smarcel#define LUN_HASH_SIZE 32 117132332Smarcel#define LUN_HASH_FUNC(isp, port, lun) \ 118132332Smarcel ((IS_DUALBUS(isp)) ? \ 119132332Smarcel (((lun) & ((LUN_HASH_SIZE >> 1) - 1)) << (port)) : \ 120132332Smarcel ((lun) & (LUN_HASH_SIZE - 1))) 121132332Smarcel#endif 122132332Smarcel 123132332Smarcelstruct isposinfo { 124132332Smarcel struct ispsoftc * next; 125132332Smarcel u_int64_t default_port_wwn; 126132332Smarcel u_int64_t default_node_wwn; 127132332Smarcel u_int32_t default_id; 128132332Smarcel device_t dev; 129132332Smarcel struct cam_sim *sim; 130132332Smarcel struct cam_path *path; 131132332Smarcel struct cam_sim *sim2; 132132332Smarcel struct cam_path *path2; 133132332Smarcel struct intr_config_hook ehook; 134132332Smarcel u_int8_t : 1, 135132332Smarcel fcbsy : 1, 136132332Smarcel ktmature : 1, 137132332Smarcel mboxwaiting : 1, 138132332Smarcel intsok : 1, 139132332Smarcel simqfrozen : 3; 140132332Smarcel struct mtx lock; 141132332Smarcel struct cv kthread_cv; 142132332Smarcel struct proc *kproc; 143132332Smarcel bus_dma_tag_t cdmat; 144132332Smarcel bus_dmamap_t cdmap; 145132332Smarcel#define isp_cdmat isp_osinfo.cdmat 146132332Smarcel#define isp_cdmap isp_osinfo.cdmap 147132332Smarcel#ifdef ISP_TARGET_MODE 148132332Smarcel#define TM_WANTED 0x80 149132332Smarcel#define TM_BUSY 0x40 150132332Smarcel#define TM_WILDCARD_ENABLED 0x02 151132332Smarcel#define TM_TMODE_ENABLED 0x01 152132332Smarcel struct cv tgtcv0[2]; /* two busses */ 153132332Smarcel struct cv tgtcv1[2]; /* two busses */ 154132332Smarcel u_int8_t tmflags[2]; /* two busses */ 155132332Smarcel u_int8_t rstatus[2]; /* two bussed */ 156132332Smarcel u_int16_t rollinfo; 157132332Smarcel tstate_t tsdflt[2]; /* two busses */ 158132332Smarcel tstate_t *lun_hash[LUN_HASH_SIZE]; 159132332Smarcel atio_private_data_t atpdp[ATPDPSIZE]; 160132332Smarcel#endif 161132332Smarcel}; 162132332Smarcel 163132332Smarcel#define isp_lock isp_osinfo.lock 164132332Smarcel 165132332Smarcel/* 166132332Smarcel * Locking macros... 167132332Smarcel */ 168132332Smarcel 169132332Smarcel#ifdef ISP_SMPLOCK 170132332Smarcel#define ISP_LOCK(x) mtx_lock(&(x)->isp_lock) 171132332Smarcel#define ISP_UNLOCK(x) mtx_unlock(&(x)->isp_lock) 172132332Smarcel#define ISPLOCK_2_CAMLOCK(isp) \ 173132332Smarcel mtx_unlock(&(isp)->isp_lock); mtx_lock(&Giant) 174132332Smarcel#define CAMLOCK_2_ISPLOCK(isp) \ 175132360Smarcel mtx_unlock(&Giant); mtx_lock(&(isp)->isp_lock) 176132332Smarcel#else 177132332Smarcel#define ISP_LOCK(x) do { } while (0) 178132332Smarcel#define ISP_UNLOCK(x) do { } while (0) 179132332Smarcel#define ISPLOCK_2_CAMLOCK(isp) do { } while (0) 180144663Sdavidxu#define CAMLOCK_2_ISPLOCK(isp) do { } while (0) 181132332Smarcel#endif 182132332Smarcel 183132332Smarcel/* 184132332Smarcel * Required Macros/Defines 185132332Smarcel */ 186132332Smarcel 187132332Smarcel#define INLINE __inline 188132332Smarcel 189132332Smarcel#define ISP2100_SCRLEN 0x800 190132332Smarcel 191132332Smarcel#define MEMZERO bzero 192132332Smarcel#define MEMCPY(dst, src, amt) bcopy((src), (dst), (amt)) 193132332Smarcel#define SNPRINTF snprintf 194132332Smarcel#define USEC_DELAY DELAY 195132332Smarcel#define USEC_SLEEP(isp, x) \ 196132332Smarcel if (isp->isp_osinfo.intsok) \ 197132332Smarcel ISP_UNLOCK(isp); \ 198132332Smarcel DELAY(x); \ 199132332Smarcel if (isp->isp_osinfo.intsok) \ 200132332Smarcel ISP_LOCK(isp) 201132332Smarcel 202132332Smarcel#define NANOTIME_T struct timespec 203132332Smarcel#define GET_NANOTIME nanotime 204132332Smarcel#define GET_NANOSEC(x) ((x)->tv_sec * 1000000000 + (x)->tv_nsec) 205132332Smarcel#define NANOTIME_SUB nanotime_sub 206132332Smarcel 207132332Smarcel#define MAXISPREQUEST(isp) ((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256) 208132332Smarcel 209132332Smarcel#define MEMORYBARRIER(isp, type, offset, size) \ 210132332Smarcelswitch (type) { \ 211132332Smarcelcase SYNC_SFORDEV: \ 212132332Smarcelcase SYNC_REQUEST: \ 213132332Smarcel bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, \ 214132332Smarcel BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); \ 215132332Smarcel break; \ 216132332Smarcelcase SYNC_SFORCPU: \ 217132332Smarcelcase SYNC_RESULT: \ 218132332Smarcel bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, \ 219132332Smarcel BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); \ 220132332Smarcel break; \ 221132332Smarceldefault: \ 222132332Smarcel break; \ 223132332Smarcel} 224132332Smarcel 225132332Smarcel#define MBOX_ACQUIRE(isp) 226132332Smarcel#define MBOX_WAIT_COMPLETE isp_mbox_wait_complete 227132332Smarcel#define MBOX_NOTIFY_COMPLETE(isp) \ 228132332Smarcel if (isp->isp_osinfo.mboxwaiting) { \ 229132332Smarcel isp->isp_osinfo.mboxwaiting = 0; \ 230146818Sdfr wakeup(&isp->isp_mbxworkp); \ 231146818Sdfr } \ 232146818Sdfr isp->isp_mboxbsy = 0 233132332Smarcel#define MBOX_RELEASE(isp) 234132332Smarcel 235132332Smarcel#define FC_SCRATCH_ACQUIRE(isp) \ 236146818Sdfr if (isp->isp_osinfo.fcbsy) { \ 237146818Sdfr isp_prt(isp, ISP_LOGWARN, \ 238146818Sdfr "FC scratch area busy (line %d)!", __LINE__); \ 239132332Smarcel } else \ 240132332Smarcel isp->isp_osinfo.fcbsy = 1 241132332Smarcel#define FC_SCRATCH_RELEASE(isp) isp->isp_osinfo.fcbsy = 0 242180982Smarcel 243180982Smarcel#ifndef SCSI_GOOD 244132332Smarcel#define SCSI_GOOD SCSI_STATUS_OK 245132332Smarcel#endif 246132332Smarcel#ifndef SCSI_CHECK 247132332Smarcel#define SCSI_CHECK SCSI_STATUS_CHECK_COND 248132332Smarcel#endif 249132332Smarcel#ifndef SCSI_BUSY 250#define SCSI_BUSY SCSI_STATUS_BUSY 251#endif 252#ifndef SCSI_QFULL 253#define SCSI_QFULL SCSI_STATUS_QUEUE_FULL 254#endif 255 256#define XS_T struct ccb_scsiio 257#define XS_ISP(ccb) ((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1) 258#define XS_CHANNEL(ccb) cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path)) 259#define XS_TGT(ccb) (ccb)->ccb_h.target_id 260#define XS_LUN(ccb) (ccb)->ccb_h.target_lun 261 262#define XS_CDBP(ccb) \ 263 (((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \ 264 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes) 265 266#define XS_CDBLEN(ccb) (ccb)->cdb_len 267#define XS_XFRLEN(ccb) (ccb)->dxfer_len 268#define XS_TIME(ccb) (ccb)->ccb_h.timeout 269#define XS_RESID(ccb) (ccb)->resid 270#define XS_STSP(ccb) (&(ccb)->scsi_status) 271#define XS_SNSP(ccb) (&(ccb)->sense_data) 272 273#define XS_SNSLEN(ccb) \ 274 imin((sizeof((ccb)->sense_data)), ccb->sense_len) 275 276#define XS_SNSKEY(ccb) ((ccb)->sense_data.flags & 0xf) 277#define XS_TAG_P(ccb) \ 278 (((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \ 279 (ccb)->tag_action != CAM_TAG_ACTION_NONE) 280 281#define XS_TAG_TYPE(ccb) \ 282 ((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \ 283 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG)) 284 285 286#define XS_SETERR(ccb, v) (ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \ 287 (ccb)->ccb_h.status |= v, \ 288 (ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET 289 290# define HBA_NOERROR CAM_REQ_INPROG 291# define HBA_BOTCH CAM_UNREC_HBA_ERROR 292# define HBA_CMDTIMEOUT CAM_CMD_TIMEOUT 293# define HBA_SELTIMEOUT CAM_SEL_TIMEOUT 294# define HBA_TGTBSY CAM_SCSI_STATUS_ERROR 295# define HBA_BUSRESET CAM_SCSI_BUS_RESET 296# define HBA_ABORTED CAM_REQ_ABORTED 297# define HBA_DATAOVR CAM_DATA_RUN_ERR 298# define HBA_ARQFAIL CAM_AUTOSENSE_FAIL 299 300 301#define XS_ERR(ccb) ((ccb)->ccb_h.status & CAM_STATUS_MASK) 302 303#define XS_NOERR(ccb) \ 304 (((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \ 305 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) 306 307#define XS_INITERR(ccb) \ 308 XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0 309 310#define XS_SAVE_SENSE(xs, sp) \ 311 (xs)->ccb_h.status |= CAM_AUTOSNS_VALID, \ 312 bcopy(sp->req_sense_data, &(xs)->sense_data, \ 313 imin(XS_SNSLEN(xs), sp->req_sense_len)) 314 315#define XS_SET_STATE_STAT(a, b, c) 316 317#define DEFAULT_IID(x) (isp)->isp_osinfo.default_id 318#define DEFAULT_LOOPID(x) (isp)->isp_osinfo.default_id 319#define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.default_node_wwn 320#define DEFAULT_PORTWWN(isp) (isp)->isp_osinfo.default_port_wwn 321#define ISP_NODEWWN(isp) FCPARAM(isp)->isp_nodewwn 322#define ISP_PORTWWN(isp) FCPARAM(isp)->isp_portwwn 323 324#if BYTE_ORDER == BIG_ENDIAN 325#ifdef ISP_SBUS_SUPPORTED 326#define ISP_IOXPUT_8(isp, s, d) *(d) = s 327#define ISP_IOXPUT_16(isp, s, d) \ 328 *(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s) 329#define ISP_IOXPUT_32(isp, s, d) \ 330 *(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s) 331#define ISP_IOXGET_8(isp, s, d) d = (*((u_int8_t *)s)) 332#define ISP_IOXGET_16(isp, s, d) \ 333 d = (isp->isp_bustype == ISP_BT_SBUS)? \ 334 *((u_int16_t *)s) : bswap16(*((u_int16_t *)s)) 335#define ISP_IOXGET_32(isp, s, d) \ 336 d = (isp->isp_bustype == ISP_BT_SBUS)? \ 337 *((u_int32_t *)s) : bswap32(*((u_int32_t *)s)) 338#else 339#define ISP_IOXPUT_8(isp, s, d) *(d) = s 340#define ISP_IOXPUT_16(isp, s, d) *(d) = bswap16(s) 341#define ISP_IOXPUT_32(isp, s, d) *(d) = bswap32(s) 342#define ISP_IOXGET_8(isp, s, d) d = (*((u_int8_t *)s)) 343#define ISP_IOXGET_16(isp, s, d) d = bswap16(*((u_int16_t *)s)) 344#define ISP_IOXGET_32(isp, s, d) d = bswap32(*((u_int32_t *)s)) 345#endif 346#define ISP_SWIZZLE_NVRAM_WORD(isp, rp) *rp = bswap16(*rp) 347#else 348#define ISP_IOXPUT_8(isp, s, d) *(d) = s 349#define ISP_IOXPUT_16(isp, s, d) *(d) = s 350#define ISP_IOXPUT_32(isp, s, d) *(d) = s 351#define ISP_IOXGET_8(isp, s, d) d = *(s) 352#define ISP_IOXGET_16(isp, s, d) d = *(s) 353#define ISP_IOXGET_32(isp, s, d) d = *(s) 354#define ISP_SWIZZLE_NVRAM_WORD(isp, rp) 355#endif 356 357/* 358 * Includes of common header files 359 */ 360 361#include <dev/isp/ispreg.h> 362#include <dev/isp/ispvar.h> 363#include <dev/isp/ispmbox.h> 364 365/* 366 * isp_osinfo definiitions && shorthand 367 */ 368#define SIMQFRZ_RESOURCE 0x1 369#define SIMQFRZ_LOOPDOWN 0x2 370#define SIMQFRZ_TIMED 0x4 371 372#define isp_sim isp_osinfo.sim 373#define isp_path isp_osinfo.path 374#define isp_sim2 isp_osinfo.sim2 375#define isp_path2 isp_osinfo.path2 376#define isp_dev isp_osinfo.dev 377 378/* 379 * prototypes for isp_pci && isp_freebsd to share 380 */ 381extern void isp_attach(struct ispsoftc *); 382extern void isp_uninit(struct ispsoftc *); 383 384/* 385 * driver global data 386 */ 387extern int isp_announced; 388 389/* 390 * Platform private flags 391 */ 392#define ISP_SPRIV_ERRSET 0x1 393#define ISP_SPRIV_INWDOG 0x2 394#define ISP_SPRIV_GRACE 0x4 395#define ISP_SPRIV_DONE 0x8 396 397#define XS_CMD_S_WDOG(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG 398#define XS_CMD_C_WDOG(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG 399#define XS_CMD_WDOG_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG) 400 401#define XS_CMD_S_GRACE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE 402#define XS_CMD_C_GRACE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE 403#define XS_CMD_GRACE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE) 404 405#define XS_CMD_S_DONE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE 406#define XS_CMD_C_DONE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE 407#define XS_CMD_DONE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE) 408 409#define XS_CMD_S_CLEAR(sccb) (sccb)->ccb_h.spriv_field0 = 0 410/* 411 * Platform specific inline functions 412 */ 413 414static INLINE void isp_mbox_wait_complete(struct ispsoftc *); 415static INLINE void 416isp_mbox_wait_complete(struct ispsoftc *isp) 417{ 418 if (isp->isp_osinfo.intsok) { 419 int lim = ((isp->isp_mbxwrk0)? 120 : 20) * hz; 420 isp->isp_osinfo.mboxwaiting = 1; 421#ifdef ISP_SMPLOCK 422 (void) msleep(&isp->isp_mbxworkp, 423 &isp->isp_lock, PRIBIO, "isp_mboxwaiting", lim); 424#else 425 (void) tsleep(&isp->isp_mbxworkp, 426 PRIBIO, "isp_mboxwaiting", lim); 427#endif 428 if (isp->isp_mboxbsy != 0) { 429 isp_prt(isp, ISP_LOGWARN, 430 "Interrupting Mailbox Command (0x%x) Timeout", 431 isp->isp_lastmbxcmd); 432 isp->isp_mboxbsy = 0; 433 } 434 isp->isp_osinfo.mboxwaiting = 0; 435 } else { 436 int lim = ((isp->isp_mbxwrk0)? 240 : 60) * 10000; 437 int j; 438 for (j = 0; j < lim; j++) { 439 u_int16_t isr, sema, mbox; 440 if (isp->isp_mboxbsy == 0) { 441 break; 442 } 443 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 444 isp_intr(isp, isr, sema, mbox); 445 if (isp->isp_mboxbsy == 0) { 446 break; 447 } 448 } 449 USEC_DELAY(500); 450 } 451 if (isp->isp_mboxbsy != 0) { 452 isp_prt(isp, ISP_LOGWARN, 453 "Polled Mailbox Command (0x%x) Timeout", 454 isp->isp_lastmbxcmd); 455 } 456 } 457} 458 459static INLINE u_int64_t nanotime_sub(struct timespec *, struct timespec *); 460static INLINE u_int64_t 461nanotime_sub(struct timespec *b, struct timespec *a) 462{ 463 u_int64_t elapsed; 464 struct timespec x = *b; 465 timespecsub(&x, a); 466 elapsed = GET_NANOSEC(&x); 467 if (elapsed == 0) 468 elapsed++; 469 return (elapsed); 470} 471 472static INLINE char *strncat(char *, const char *, size_t); 473static INLINE char * 474strncat(char *d, const char *s, size_t c) 475{ 476 char *t = d; 477 478 if (c) { 479 while (*d) 480 d++; 481 while ((*d++ = *s++)) { 482 if (--c == 0) { 483 *d = '\0'; 484 break; 485 } 486 } 487 } 488 return (t); 489} 490 491/* 492 * Common inline functions 493 */ 494 495#include <dev/isp/isp_inline.h> 496#endif /* _ISP_FREEBSD_H */ 497