1 /* $FreeBSD$ */ 2 /* 3 * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions (CAM version) 4 * Copyright (c) 1997, 1998, 1999, 2000 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 6 32 33 /* 34 * We're not ready for primetime yet 35 */ 36 #if 0 37 #if ((ISP_PLATFORM_VERSION_MAJOR * 10) + ISP_PLATFORM_VERSION_MINOR) >= 54 38 #define ISP_SMPLOCK 1 39 #endif 40 #endif 41 42 43 #include <sys/param.h> 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/queue.h> 48 #include <sys/malloc.h> 49 #include <sys/mutex.h> 50 #include <sys/proc.h> 51 #include <sys/bus.h> 52 53 #include <machine/bus_memio.h> 54 #include <machine/bus_pio.h> 55 #include <machine/bus.h> 56 #include <machine/clock.h> 57 #include <machine/cpu.h> 58 59 #include <cam/cam.h> 60 #include <cam/cam_debug.h> 61 #include <cam/cam_ccb.h> 62 #include <cam/cam_sim.h> 63 #include <cam/cam_xpt.h> 64 #include <cam/cam_xpt_sim.h> 65 #include <cam/cam_debug.h> 66 #include <cam/scsi/scsi_all.h> 67 #include <cam/scsi/scsi_message.h> 68 69 #include "opt_ddb.h" 70 #include "opt_isp.h" 71 72 typedef void ispfwfunc __P((int, int, int, const u_int16_t **)); 73 74 #ifdef ISP_TARGET_MODE 75 typedef struct tstate { 76 struct tstate *next; 77 struct cam_path *owner; 78 struct ccb_hdr_slist atios; 79 struct ccb_hdr_slist inots; 80 lun_id_t lun; 81 u_int32_t hold; 82 } tstate_t; 83 84 /* 85 * This should work very well for 100% of parallel SCSI cases, 100% 86 * of non-SCCLUN FC cases, and hopefully some larger fraction of the 87 * SCCLUN FC cases. Basically, we index by the low 5 bits of lun and 88 * then linear search. This has to be reasonably zippy, but not crucially 89 * so. 90 */ 91 #define LUN_HASH_SIZE 32 92 #define LUN_HASH_FUNC(lun) ((lun) & 0x1f) 93 94 #endif 95 96 struct isposinfo { 97 struct ispsoftc * next; 98 u_int64_t default_port_wwn; 99 u_int64_t default_node_wwn; 100 device_t dev; 101 struct cam_sim *sim; 102 struct cam_path *path; 103 struct cam_sim *sim2; 104 struct cam_path *path2; 105 struct intr_config_hook ehook; 106 u_int8_t mboxwaiting; 107 u_int8_t simqfrozen; 108 u_int8_t drain; 109 u_int8_t intsok; 110 #ifdef ISP_SMPLOCK 111 struct mtx lock; 112 #else 113 volatile u_int32_t islocked; 114 int splsaved; 115 #endif 116 #ifdef ISP_TARGET_MODE 117 #define TM_WANTED 0x01 118 #define TM_BUSY 0x02 119 #define TM_TMODE_ENABLED 0x80 120 u_int8_t tmflags; 121 u_int8_t rstatus; 122 u_int16_t rollinfo; 123 tstate_t tsdflt; 124 tstate_t *lun_hash[LUN_HASH_SIZE]; 125 #endif 126 }; 127 128 /* 129 * Locking macros... 130 */ 131 132 #ifdef ISP_SMPLOCK 133 #define ISP_LOCK(x) mtx_lock(&(x)->isp_osinfo.lock) 134 #define ISP_UNLOCK(x) mtx_unlock(&(x)->isp_osinfo.lock) 135 #else 136 #define ISP_LOCK isp_lock 137 #define ISP_UNLOCK isp_unlock 138 #endif 139 140 141 /* 142 * Required Macros/Defines 143 */ 144 145 #define INLINE __inline 146 147 #define ISP2100_SCRLEN 0x400 148 149 #define MEMZERO bzero 150 #define MEMCPY(dst, src, amt) bcopy((src), (dst), (amt)) 151 #define SNPRINTF snprintf 152 #define STRNCAT strncat 153 #define USEC_DELAY DELAY 154 #define USEC_SLEEP(isp, x) \ 155 if (isp->isp_osinfo.intsok) \ 156 ISP_UNLOCK(isp); \ 157 DELAY(x); \ 158 if (isp->isp_osinfo.intsok) \ 159 ISP_LOCK(isp) 160 161 #define NANOTIME_T struct timespec 162 #define GET_NANOTIME nanotime 163 #define GET_NANOSEC(x) ((x)->tv_sec * 1000000000 + (x)->tv_nsec) 164 #define NANOTIME_SUB nanotime_sub 165 166 #define MAXISPREQUEST(isp) 256 167 168 #ifdef __alpha__ 169 #define MEMORYBARRIER(isp, type, offset, size) alpha_mb() 170 #else 171 #define MEMORYBARRIER(isp, type, offset, size) 172 #endif 173 174 #define MBOX_ACQUIRE(isp) 175 #define MBOX_WAIT_COMPLETE isp_mbox_wait_complete 176 #define MBOX_NOTIFY_COMPLETE(isp) \ 177 if (isp->isp_osinfo.mboxwaiting) { \ 178 isp->isp_osinfo.mboxwaiting = 0; \ 179 wakeup(&isp->isp_osinfo.mboxwaiting); \ 180 } \ 181 isp->isp_mboxbsy = 0 182 #define MBOX_RELEASE(isp) 183 184 #ifndef SCSI_GOOD 185 #define SCSI_GOOD SCSI_STATUS_OK 186 #endif 187 #ifndef SCSI_CHECK 188 #define SCSI_CHECK SCSI_STATUS_CHECK_COND 189 #endif 190 #ifndef SCSI_BUSY 191 #define SCSI_BUSY SCSI_STATUS_BUSY 192 #endif 193 #ifndef SCSI_QFULL 194 #define SCSI_QFULL SCSI_STATUS_QUEUE_FULL 195 #endif 196 197 #define XS_T struct ccb_scsiio 198 #define XS_ISP(ccb) ((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1) 199 #define XS_CHANNEL(ccb) cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path)) 200 #define XS_TGT(ccb) (ccb)->ccb_h.target_id 201 #define XS_LUN(ccb) (ccb)->ccb_h.target_lun 202 203 #define XS_CDBP(ccb) \ 204 (((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \ 205 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes) 206 207 #define XS_CDBLEN(ccb) (ccb)->cdb_len 208 #define XS_XFRLEN(ccb) (ccb)->dxfer_len 209 #define XS_TIME(ccb) (ccb)->ccb_h.timeout 210 #define XS_RESID(ccb) (ccb)->resid 211 #define XS_STSP(ccb) (&(ccb)->scsi_status) 212 #define XS_SNSP(ccb) (&(ccb)->sense_data) 213 214 #define XS_SNSLEN(ccb) \ 215 imin((sizeof((ccb)->sense_data)), ccb->sense_len) 216 217 #define XS_SNSKEY(ccb) ((ccb)->sense_data.flags & 0xf) 218 #define XS_TAG_P(ccb) \ 219 (((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \ 220 (ccb)->tag_action != CAM_TAG_ACTION_NONE) 221 222 #define XS_TAG_TYPE(ccb) \ 223 ((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \ 224 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG)) 225 226 227 #define XS_SETERR(ccb, v) (ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \ 228 (ccb)->ccb_h.status |= v, \ 229 (ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET 230 231 # define HBA_NOERROR CAM_REQ_INPROG 232 # define HBA_BOTCH CAM_UNREC_HBA_ERROR 233 # define HBA_CMDTIMEOUT CAM_CMD_TIMEOUT 234 # define HBA_SELTIMEOUT CAM_SEL_TIMEOUT 235 # define HBA_TGTBSY CAM_SCSI_STATUS_ERROR 236 # define HBA_BUSRESET CAM_SCSI_BUS_RESET 237 # define HBA_ABORTED CAM_REQ_ABORTED 238 # define HBA_DATAOVR CAM_DATA_RUN_ERR 239 # define HBA_ARQFAIL CAM_AUTOSENSE_FAIL 240 241 242 #define XS_ERR(ccb) ((ccb)->ccb_h.status & CAM_STATUS_MASK) 243 244 #define XS_NOERR(ccb) \ 245 (((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \ 246 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) 247 248 #define XS_INITERR(ccb) \ 249 XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0 250 251 #define XS_SAVE_SENSE(xs, sp) \ 252 (xs)->ccb_h.status |= CAM_AUTOSNS_VALID, \ 253 bcopy(sp->req_sense_data, &(xs)->sense_data, \ 254 imin(XS_SNSLEN(xs), sp->req_sense_len)) 255 256 #define XS_SET_STATE_STAT(a, b, c) 257 258 #define DEFAULT_IID(x) 7 259 #define DEFAULT_LOOPID(x) 109 260 #define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.default_node_wwn 261 #define DEFAULT_PORTWWN(isp) (isp)->isp_osinfo.default_port_wwn 262 #define ISP_NODEWWN(isp) FCPARAM(isp)->isp_nodewwn 263 #define ISP_PORTWWN(isp) FCPARAM(isp)->isp_portwwn 264 265 #define ISP_UNSWIZZLE_AND_COPY_PDBP(isp, dest, src) \ 266 if((void *)src != (void *)dest) bcopy(src, dest, sizeof (isp_pdb_t)) 267 #define ISP_SWIZZLE_ICB(a, b) 268 #define ISP_SWIZZLE_REQUEST(a, b) 269 #define ISP_UNSWIZZLE_RESPONSE(a, b, c) 270 #define ISP_SWIZZLE_SNS_REQ(a, b) 271 #define ISP_UNSWIZZLE_SNS_RSP(a, b, c) 272 #define ISP_SWIZZLE_NVRAM_WORD(isp, x) 273 274 /* 275 * Includes of common header files 276 */ 277 278 #include <dev/isp/ispreg.h> 279 #include <dev/isp/ispvar.h> 280 #include <dev/isp/ispmbox.h> 281 282 /* 283 * isp_osinfo definiitions && shorthand 284 */ 285 #define SIMQFRZ_RESOURCE 0x1 286 #define SIMQFRZ_LOOPDOWN 0x2 287 #define SIMQFRZ_TIMED 0x4 288 289 #define isp_sim isp_osinfo.sim 290 #define isp_path isp_osinfo.path 291 #define isp_sim2 isp_osinfo.sim2 292 #define isp_path2 isp_osinfo.path2 293 #define isp_dev isp_osinfo.dev 294 295 /* 296 * prototypes for isp_pci && isp_freebsd to share 297 */ 298 extern void isp_attach(struct ispsoftc *); 299 extern void isp_uninit(struct ispsoftc *); 300 301 /* 302 * Platform private flags 303 */ 304 #define ISP_SPRIV_ERRSET 0x1 305 #define ISP_SPRIV_INWDOG 0x2 306 #define ISP_SPRIV_GRACE 0x4 307 #define ISP_SPRIV_DONE 0x8 308 309 #define XS_CMD_S_WDOG(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG 310 #define XS_CMD_C_WDOG(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG 311 #define XS_CMD_WDOG_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG) 312 313 #define XS_CMD_S_GRACE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE 314 #define XS_CMD_C_GRACE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE 315 #define XS_CMD_GRACE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE) 316 317 #define XS_CMD_S_DONE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE 318 #define XS_CMD_C_DONE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE 319 #define XS_CMD_DONE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE) 320 321 #define XS_CMD_S_CLEAR(sccb) (sccb)->ccb_h.spriv_field0 = 0 322 /* 323 * Platform specific inline functions 324 */ 325 #ifndef ISP_SMPLOCK 326 static INLINE void isp_lock(struct ispsoftc *); 327 static INLINE void 328 isp_lock(struct ispsoftc *isp) 329 { 330 int s = splcam(); 331 if (isp->isp_osinfo.islocked++ == 0) { 332 isp->isp_osinfo.splsaved = s; 333 } else { 334 splx(s); 335 } 336 } 337 338 static INLINE void isp_unlock(struct ispsoftc *); 339 static INLINE void 340 isp_unlock(struct ispsoftc *isp) 341 { 342 if (isp->isp_osinfo.islocked) { 343 if (--isp->isp_osinfo.islocked == 0) { 344 splx(isp->isp_osinfo.splsaved); 345 } 346 } 347 } 348 #endif 349 350 static INLINE void isp_mbox_wait_complete(struct ispsoftc *); 351 static INLINE void 352 isp_mbox_wait_complete(struct ispsoftc *isp) 353 { 354 if (isp->isp_osinfo.intsok) { 355 isp->isp_osinfo.mboxwaiting = 1; 356 #ifdef ISP_SMPLOCK 357 (void) msleep(&isp->isp_osinfo.mboxwaiting, 358 &isp->isp_osinfo.lock, PRIBIO, "isp_mboxwaiting", 10 * hz); 359 #else 360 (void) tsleep(&isp->isp_osinfo.mboxwaiting, PRIBIO, 361 "isp_mboxwaiting", 10 * hz); 362 #endif 363 if (isp->isp_mboxbsy != 0) { 364 isp_prt(isp, ISP_LOGWARN, 365 "Interrupting Mailbox Command (0x%x) Timeout", 366 isp->isp_lastmbxcmd); 367 isp->isp_mboxbsy = 0; 368 } 369 isp->isp_osinfo.mboxwaiting = 0; 370 } else { 371 int j; 372 for (j = 0; j < 60 * 10000; j++) { 373 if (isp_intr(isp) == 0) { 374 USEC_DELAY(500); 375 } 376 if (isp->isp_mboxbsy == 0) { 377 break; 378 } 379 } 380 if (isp->isp_mboxbsy != 0) { 381 isp_prt(isp, ISP_LOGWARN, 382 "Polled Mailbox Command (0x%x) Timeout", 383 isp->isp_lastmbxcmd); 384 } 385 } 386 } 387 388 static INLINE u_int64_t nanotime_sub(struct timespec *, struct timespec *); 389 static INLINE u_int64_t 390 nanotime_sub(struct timespec *b, struct timespec *a) 391 { 392 u_int64_t elapsed; 393 struct timespec x = *b; 394 timespecsub(&x, a); 395 elapsed = GET_NANOSEC(&x); 396 if (elapsed == 0) 397 elapsed++; 398 return (elapsed); 399 } 400 401 static INLINE char *strncat(char *, const char *, size_t); 402 static INLINE char * 403 strncat(char *d, const char *s, size_t c) 404 { 405 char *t = d; 406 407 if (c) { 408 while (*d) 409 d++; 410 while ((*d++ = *s++)) { 411 if (--c == 0) { 412 *d = '\0'; 413 break; 414 } 415 } 416 } 417 return (t); 418 } 419 420 /* 421 * Common inline functions 422 */ 423 424 #include <dev/isp/isp_inline.h> 425 #endif /* _ISP_FREEBSD_H */ 426