Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/aac/aacvar.h
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1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2001 Scott Long 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 Adaptec, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #include <sys/bio.h> 33 #include <sys/lock.h> 34 #include <sys/mutex.h> 35 #include <sys/taskqueue.h> 36 #include <sys/selinfo.h> 37 #include <geom/geom_disk.h> 38 39 #ifndef AAC_DRIVER_BUILD 40 # define AAC_DRIVER_BUILD 1 41 #endif 42 43 /* 44 * Driver Parameter Definitions 45 */ 46 47 /* 48 * The firmware interface allows for a 16-bit s/g list length. We limit 49 * ourselves to a reasonable maximum and ensure alignment. 50 */ 51 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 52 53 /* 54 * We allocate a small set of FIBs for the adapter to use to send us messages. 55 */ 56 #define AAC_ADAPTER_FIBS 8 57 58 /* 59 * FIBs are allocated in page-size chunks and can grow up to the 512 60 * limit imposed by the hardware. 61 */ 62 #define AAC_PREALLOCATE_FIBS 128 63 #define AAC_NUM_MGT_FIB 8 64 65 /* 66 * The controller reports status events in AIFs. We hang on to a number of 67 * these in order to pass them out to user-space management tools. 68 */ 69 #define AAC_AIFQ_LENGTH 64 70 71 /* 72 * Firmware messages are passed in the printf buffer. 73 */ 74 #define AAC_PRINTF_BUFSIZE 256 75 76 /* 77 * We wait this many seconds for the adapter to come ready if it is still 78 * booting 79 */ 80 #define AAC_BOOT_TIMEOUT (3 * 60) 81 82 /* 83 * Timeout for immediate commands. 84 */ 85 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 86 87 /* 88 * Timeout for normal commands 89 */ 90 #define AAC_CMD_TIMEOUT 30 /* seconds */ 91 92 /* 93 * Rate at which we periodically check for timed out commands and kick the 94 * controller. 95 */ 96 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 97 98 /* 99 * Per-container data structure 100 */ 101 struct aac_container 102 { 103 struct aac_mntobj co_mntobj; 104 device_t co_disk; 105 int co_found; 106 TAILQ_ENTRY(aac_container) co_link; 107 }; 108 109 /* 110 * Per-SIM data structure 111 */ 112 struct aac_sim 113 { 114 device_t sim_dev; 115 int TargetsPerBus; 116 int BusNumber; 117 int InitiatorBusId; 118 struct aac_softc *aac_sc; 119 TAILQ_ENTRY(aac_sim) sim_link; 120 }; 121 122 /* 123 * Per-disk structure 124 */ 125 struct aac_disk 126 { 127 device_t ad_dev; 128 struct aac_softc *ad_controller; 129 struct aac_container *ad_container; 130 struct disk *ad_disk; 131 int ad_flags; 132 #define AAC_DISK_OPEN (1<<0) 133 int ad_cylinders; 134 int ad_heads; 135 int ad_sectors; 136 u_int64_t ad_size; 137 int unit; 138 }; 139 140 /* 141 * Per-command control structure. 142 */ 143 struct aac_command 144 { 145 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 146 147 struct aac_softc *cm_sc; /* controller that owns us */ 148 149 struct aac_fib *cm_fib; /* FIB associated with this 150 * command */ 151 u_int64_t cm_fibphys; /* bus address of the FIB */ 152 struct bio *cm_data; /* pointer to data in kernel 153 * space */ 154 u_int32_t cm_datalen; /* data length */ 155 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 156 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 157 * command */ 158 int cm_flags; 159 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 160 * mapped */ 161 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 162 * from controller to host */ 163 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 164 * from host to controller */ 165 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 166 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 167 #define AAC_ON_AACQ_FREE (1<<5) 168 #define AAC_ON_AACQ_READY (1<<6) 169 #define AAC_ON_AACQ_BUSY (1<<7) 170 #define AAC_ON_AACQ_AIF (1<<8) 171 #define AAC_ON_AACQ_NORM (1<<10) 172 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 173 #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of 174 * commands on the queue. */ 175 176 void (* cm_complete)(struct aac_command *cm); 177 void *cm_private; 178 time_t cm_timestamp; /* command creation time */ 179 int cm_queue; 180 int cm_index; 181 }; 182 183 struct aac_fibmap { 184 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 185 struct aac_fib *aac_fibs; 186 bus_dmamap_t aac_fibmap; 187 struct aac_command *aac_commands; 188 }; 189 190 /* 191 * We gather a number of adapter-visible items into a single structure. 192 * 193 * The ordering of this strucure may be important; we copy the Linux driver: 194 * 195 * Adapter FIBs 196 * Init struct 197 * Queue headers (Comm Area) 198 * Printf buffer 199 * 200 * In addition, we add: 201 * Sync Fib 202 */ 203 struct aac_common { 204 /* fibs for the controller to send us messages */ 205 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 206 207 /* the init structure */ 208 struct aac_adapter_init ac_init; 209 210 /* arena within which the queue structures are kept */ 211 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 212 AAC_QUEUE_ALIGN]; 213 214 /* buffer for text messages from the controller */ 215 char ac_printf[AAC_PRINTF_BUFSIZE]; 216 217 /* fib for synchronous commands */ 218 struct aac_fib ac_sync_fib; 219 }; 220 221 /* 222 * Interface operations 223 */ 224 struct aac_interface 225 { 226 int (*aif_get_fwstatus)(struct aac_softc *sc); 227 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 228 int (*aif_get_istatus)(struct aac_softc *sc); 229 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 230 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 231 u_int32_t arg0, u_int32_t arg1, 232 u_int32_t arg2, u_int32_t arg3); 233 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 234 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 235 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 236 int (*aif_get_outb_queue)(struct aac_softc *sc); 237 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 238 }; 239 extern struct aac_interface aac_rx_interface; 240 extern struct aac_interface aac_sa_interface; 241 extern struct aac_interface aac_fa_interface; 242 extern struct aac_interface aac_rkt_interface; 243 244 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 245 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 246 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 247 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 248 (mask))) 249 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 250 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 251 (arg3))) 252 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 253 (mb))) 254 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 255 0)) 256 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 257 1)) 258 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm))) 259 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc))) 260 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx))) 261 262 #define AAC_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag, \ 263 sc->aac_bhandle, reg, val) 264 #define AAC_GETREG4(sc, reg) bus_space_read_4 (sc->aac_btag, \ 265 sc->aac_bhandle, reg) 266 #define AAC_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag, \ 267 sc->aac_bhandle, reg, val) 268 #define AAC_GETREG2(sc, reg) bus_space_read_2 (sc->aac_btag, \ 269 sc->aac_bhandle, reg) 270 #define AAC_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag, \ 271 sc->aac_bhandle, reg, val) 272 #define AAC_GETREG1(sc, reg) bus_space_read_1 (sc->aac_btag, \ 273 sc->aac_bhandle, reg) 274 275 /* fib context (IOCTL) */ 276 struct aac_fib_context { 277 u_int32_t unique; 278 int ctx_idx; 279 int ctx_wrap; 280 struct aac_fib_context *next, *prev; 281 }; 282 283 /* 284 * Per-controller structure. 285 */ 286 struct aac_softc 287 { 288 /* bus connections */ 289 device_t aac_dev; 290 struct resource *aac_regs_resource; /* register interface 291 * window */ 292 int aac_regs_rid; /* resource ID */ 293 bus_space_handle_t aac_bhandle; /* bus space handle */ 294 bus_space_tag_t aac_btag; /* bus space tag */ 295 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 296 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 297 * DMA tag */ 298 struct resource *aac_irq; /* interrupt */ 299 int aac_irq_rid; 300 void *aac_intr; /* interrupt handle */ 301 eventhandler_tag eh; 302 303 /* controller features, limits and status */ 304 int aac_state; 305 #define AAC_STATE_SUSPEND (1<<0) 306 #define AAC_STATE_OPEN (1<<1) 307 #define AAC_STATE_INTERRUPTS_ON (1<<2) 308 #define AAC_STATE_AIF_SLEEPER (1<<3) 309 int aac_open_cnt; 310 struct FsaRevision aac_revision; 311 312 /* controller hardware interface */ 313 int aac_hwif; 314 #define AAC_HWIF_I960RX 0 315 #define AAC_HWIF_STRONGARM 1 316 #define AAC_HWIF_FALCON 2 317 #define AAC_HWIF_RKT 3 318 #define AAC_HWIF_UNKNOWN -1 319 bus_dma_tag_t aac_common_dmat; /* common structure 320 * DMA tag */ 321 bus_dmamap_t aac_common_dmamap; /* common structure 322 * DMA map */ 323 struct aac_common *aac_common; 324 u_int32_t aac_common_busaddr; 325 struct aac_interface aac_if; 326 327 /* command/fib resources */ 328 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 329 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 330 u_int total_fibs; 331 struct aac_command *aac_commands; 332 333 /* command management */ 334 TAILQ_HEAD(,aac_command) aac_free; /* command structures 335 * available for reuse */ 336 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 337 * controller resources */ 338 TAILQ_HEAD(,aac_command) aac_busy; 339 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 340 struct bio_queue_head aac_bioq; 341 struct aac_queue_table *aac_queues; 342 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 343 344 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 345 346 /* connected containters */ 347 TAILQ_HEAD(,aac_container) aac_container_tqh; 348 struct mtx aac_container_lock; 349 350 /* 351 * The general I/O lock. This protects the sync fib, the lists, the 352 * queues, and the registers. 353 */ 354 struct mtx aac_io_lock; 355 356 /* delayed activity infrastructure */ 357 struct task aac_task_complete; /* deferred-completion 358 * task */ 359 struct intr_config_hook aac_ich; 360 361 /* management interface */ 362 struct cdev *aac_dev_t; 363 struct mtx aac_aifq_lock; 364 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; 365 int aifq_idx; 366 int aifq_filled; 367 struct aac_fib_context *fibctx; 368 struct selinfo rcv_select; 369 struct proc *aifthread; 370 int aifflags; 371 #define AAC_AIFFLAGS_RUNNING (1 << 0) 372 #define AAC_AIFFLAGS_AIF (1 << 1) 373 #define AAC_AIFFLAGS_EXIT (1 << 2) 374 #define AAC_AIFFLAGS_EXITED (1 << 3) 375 #define AAC_AIFFLAGS_PRINTF (1 << 4) 376 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 377 #define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \ 378 AAC_AIFFLAGS_ALLOCFIBS) 379 u_int32_t flags; 380 #define AAC_FLAGS_PERC2QC (1 << 0) 381 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 382 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 383 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 384 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 385 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 386 * 2GB-4GB range */ 387 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 388 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 389 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 390 #define AAC_FLAGS_SLAVE (1 << 9) 391 #define AAC_FLAGS_MASTER (1 << 10) 392 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 393 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 394 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 395 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 396 397 u_int32_t supported_options; 398 u_int32_t scsi_method_id; 399 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 400 401 u_int32_t aac_max_fibs; /* max. FIB count */ 402 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 403 u_int32_t aac_max_fib_size; /* max. FIB size */ 404 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 405 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 406 }; 407 408 /* 409 * Event callback mechanism for the driver 410 */ 411 #define AAC_EVENT_NONE 0x00 412 #define AAC_EVENT_CMFREE 0x01 413 #define AAC_EVENT_MASK 0xff 414 #define AAC_EVENT_REPEAT 0x100 415 416 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 417 void *arg); 418 struct aac_event { 419 TAILQ_ENTRY(aac_event) ev_links; 420 int ev_type; 421 aac_event_cb_t *ev_callback; 422 void *ev_arg; 423 }; 424 425 /* 426 * Public functions 427 */ 428 extern void aac_free(struct aac_softc *sc); 429 extern int aac_attach(struct aac_softc *sc); 430 extern int aac_detach(device_t dev); 431 extern int aac_shutdown(device_t dev); 432 extern int aac_suspend(device_t dev); 433 extern int aac_resume(device_t dev); 434 extern void aac_new_intr(void *arg); 435 extern int aac_fast_intr(void *arg); 436 extern void aac_submit_bio(struct bio *bp); 437 extern void aac_biodone(struct bio *bp); 438 extern void aac_startio(struct aac_softc *sc); 439 extern int aac_alloc_command(struct aac_softc *sc, 440 struct aac_command **cmp); 441 extern void aac_release_command(struct aac_command *cm); 442 extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 443 u_int32_t xferstate, struct aac_fib *fib, 444 u_int16_t datasize); 445 extern void aac_add_event(struct aac_softc *sc, struct aac_event 446 *event); 447 448 #ifdef AAC_DEBUG 449 extern int aac_debug_enable; 450 # define fwprintf(sc, flags, fmt, args...) \ 451 do { \ 452 if (!aac_debug_enable) \ 453 break; \ 454 if (sc != NULL) \ 455 device_printf(((struct aac_softc *)sc)->aac_dev, \ 456 "%s: " fmt "\n", __func__, ##args); \ 457 else \ 458 printf("%s: " fmt "\n", __func__, ##args); \ 459 } while(0) 460 461 extern void aac_print_queues(struct aac_softc *sc); 462 extern void aac_panic(struct aac_softc *sc, char *reason); 463 extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 464 const char *caller); 465 extern void aac_print_aif(struct aac_softc *sc, 466 struct aac_aif_command *aif); 467 468 #define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) 469 470 #else 471 # define fwprintf(sc, flags, fmt, args...) 472 473 # define aac_print_queues(sc) 474 # define aac_panic(sc, reason) 475 476 # define AAC_PRINT_FIB(sc, fib) 477 # define aac_print_aif(sc, aac_aif_command) 478 #endif 479 480 struct aac_code_lookup { 481 char *string; 482 u_int32_t code; 483 }; 484 485 /* 486 * Queue primitives for driver queues. 487 */ 488 #define AACQ_ADD(sc, qname) \ 489 do { \ 490 struct aac_qstat *qs; \ 491 \ 492 qs = &(sc)->aac_qstat[qname]; \ 493 \ 494 qs->q_length++; \ 495 if (qs->q_length > qs->q_max) \ 496 qs->q_max = qs->q_length; \ 497 } while (0) 498 499 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 500 #define AACQ_INIT(sc, qname) \ 501 do { \ 502 sc->aac_qstat[qname].q_length = 0; \ 503 sc->aac_qstat[qname].q_max = 0; \ 504 } while (0) 505 506 507 #define AACQ_COMMAND_QUEUE(name, index) \ 508 static __inline void \ 509 aac_initq_ ## name (struct aac_softc *sc) \ 510 { \ 511 TAILQ_INIT(&sc->aac_ ## name); \ 512 AACQ_INIT(sc, index); \ 513 } \ 514 static __inline void \ 515 aac_enqueue_ ## name (struct aac_command *cm) \ 516 { \ 517 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 518 printf("command %p is on another queue, flags = %#x\n", \ 519 cm, cm->cm_flags); \ 520 panic("command is on another queue"); \ 521 } \ 522 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 523 cm->cm_flags |= AAC_ON_ ## index; \ 524 AACQ_ADD(cm->cm_sc, index); \ 525 } \ 526 static __inline void \ 527 aac_requeue_ ## name (struct aac_command *cm) \ 528 { \ 529 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 530 printf("command %p is on another queue, flags = %#x\n", \ 531 cm, cm->cm_flags); \ 532 panic("command is on another queue"); \ 533 } \ 534 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 535 cm->cm_flags |= AAC_ON_ ## index; \ 536 AACQ_ADD(cm->cm_sc, index); \ 537 } \ 538 static __inline struct aac_command * \ 539 aac_dequeue_ ## name (struct aac_softc *sc) \ 540 { \ 541 struct aac_command *cm; \ 542 \ 543 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 544 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 545 printf("command %p not in queue, flags = %#x, " \ 546 "bit = %#x\n", cm, cm->cm_flags, \ 547 AAC_ON_ ## index); \ 548 panic("command not in queue"); \ 549 } \ 550 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 551 cm->cm_flags &= ~AAC_ON_ ## index; \ 552 AACQ_REMOVE(sc, index); \ 553 } \ 554 return(cm); \ 555 } \ 556 static __inline void \ 557 aac_remove_ ## name (struct aac_command *cm) \ 558 { \ 559 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 560 printf("command %p not in queue, flags = %#x, " \ 561 "bit = %#x\n", cm, cm->cm_flags, \ 562 AAC_ON_ ## index); \ 563 panic("command not in queue"); \ 564 } \ 565 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 566 cm->cm_flags &= ~AAC_ON_ ## index; \ 567 AACQ_REMOVE(cm->cm_sc, index); \ 568 } \ 569 struct hack 570 571 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 572 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 573 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 574 575 /* 576 * outstanding bio queue 577 */ 578 static __inline void 579 aac_initq_bio(struct aac_softc *sc) 580 { 581 bioq_init(&sc->aac_bioq); 582 AACQ_INIT(sc, AACQ_BIO); 583 } 584 585 static __inline void 586 aac_enqueue_bio(struct aac_softc *sc, struct bio *bp) 587 { 588 bioq_insert_tail(&sc->aac_bioq, bp); 589 AACQ_ADD(sc, AACQ_BIO); 590 } 591 592 static __inline struct bio * 593 aac_dequeue_bio(struct aac_softc *sc) 594 { 595 struct bio *bp; 596 597 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) { 598 bioq_remove(&sc->aac_bioq, bp); 599 AACQ_REMOVE(sc, AACQ_BIO); 600 } 601 return(bp); 602 } 603 604 static __inline void 605 aac_print_printf(struct aac_softc *sc) 606 { 607 /* 608 * XXX We have the ability to read the length of the printf string 609 * from out of the mailboxes. 610 */ 611 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 612 sc->aac_common->ac_printf); 613 sc->aac_common->ac_printf[0] = 0; 614 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 615 } 616 617 static __inline int 618 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 619 { 620 621 mtx_assert(&sc->aac_io_lock, MA_OWNED); 622 *fib = &sc->aac_common->ac_sync_fib; 623 return (0); 624 } 625 626 static __inline void 627 aac_release_sync_fib(struct aac_softc *sc) 628 { 629 630 mtx_assert(&sc->aac_io_lock, MA_OWNED); 631 } 632
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