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/callout.h> 34 #include <sys/lock.h> 35 #include <sys/mutex.h> 36 #include <sys/taskqueue.h> 37 #include <sys/selinfo.h> 38 #include <geom/geom_disk.h> 39 40 #define AAC_TYPE_DEVO 1 41 #define AAC_TYPE_ALPHA 2 42 #define AAC_TYPE_BETA 3 43 #define AAC_TYPE_RELEASE 4 44 45 #define AAC_DRIVER_MAJOR_VERSION 2 46 #define AAC_DRIVER_MINOR_VERSION 1 47 #define AAC_DRIVER_BUGFIX_LEVEL 9 48 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE 49 50 #ifndef AAC_DRIVER_BUILD 51 # define AAC_DRIVER_BUILD 1 52 #endif 53 54 /* 55 * Driver Parameter Definitions 56 */ 57 58 /* 59 * The firmware interface allows for a 16-bit s/g list length. We limit 60 * ourselves to a reasonable maximum and ensure alignment. 61 */ 62 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 63 64 /* 65 * We allocate a small set of FIBs for the adapter to use to send us messages. 66 */ 67 #define AAC_ADAPTER_FIBS 8 68 69 /* 70 * The controller reports status events in AIFs. We hang on to a number of 71 * these in order to pass them out to user-space management tools. 72 */ 73 #define AAC_AIFQ_LENGTH 64 74 75 /* 76 * Firmware messages are passed in the printf buffer. 77 */ 78 #define AAC_PRINTF_BUFSIZE 256 79 80 /* 81 * We wait this many seconds for the adapter to come ready if it is still 82 * booting 83 */ 84 #define AAC_BOOT_TIMEOUT (3 * 60) 85 86 /* 87 * Timeout for immediate commands. 88 */ 89 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 90 91 /* 92 * Timeout for normal commands 93 */ 94 #define AAC_CMD_TIMEOUT 120 /* seconds */ 95 96 /* 97 * Rate at which we periodically check for timed out commands and kick the 98 * controller. 99 */ 100 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 101 102 /* 103 * Per-container data structure 104 */ 105 struct aac_container 106 { 107 struct aac_mntobj co_mntobj; 108 device_t co_disk; 109 int co_found; 110 TAILQ_ENTRY(aac_container) co_link; 111 }; 112 113 /* 114 * Per-SIM data structure 115 */ 116 struct aac_sim 117 { 118 device_t sim_dev; 119 int TargetsPerBus; 120 int BusNumber; 121 int InitiatorBusId; 122 struct aac_softc *aac_sc; 123 TAILQ_ENTRY(aac_sim) sim_link; 124 }; 125 126 /* 127 * Per-disk structure 128 */ 129 struct aac_disk 130 { 131 device_t ad_dev; 132 struct aac_softc *ad_controller; 133 struct aac_container *ad_container; 134 struct disk *ad_disk; 135 int ad_flags; 136 #define AAC_DISK_OPEN (1<<0) 137 int ad_cylinders; 138 int ad_heads; 139 int ad_sectors; 140 u_int64_t ad_size; 141 int unit; 142 }; 143 144 /* 145 * Per-command control structure. 146 */ 147 struct aac_command 148 { 149 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 150 151 struct aac_softc *cm_sc; /* controller that owns us */ 152 153 struct aac_fib *cm_fib; /* FIB associated with this 154 * command */ 155 u_int64_t cm_fibphys; /* bus address of the FIB */ 156 struct bio *cm_data; /* pointer to data in kernel 157 * space */ 158 u_int32_t cm_datalen; /* data length */ 159 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 160 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 161 * command */ 162 int cm_flags; 163 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 164 * mapped */ 165 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 166 * from controller to host */ 167 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 168 * from host to controller */ 169 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 170 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 171 #define AAC_ON_AACQ_FREE (1<<5) 172 #define AAC_ON_AACQ_READY (1<<6) 173 #define AAC_ON_AACQ_BUSY (1<<7) 174 #define AAC_ON_AACQ_AIF (1<<8) 175 #define AAC_ON_AACQ_NORM (1<<10) 176 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 177 #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of 178 * commands on the queue. */ 179 180 void (* cm_complete)(struct aac_command *cm); 181 void *cm_private; 182 time_t cm_timestamp; /* command creation time */ 183 int cm_queue; 184 int cm_index; 185 }; 186 187 struct aac_fibmap { 188 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 189 struct aac_fib *aac_fibs; 190 bus_dmamap_t aac_fibmap; 191 struct aac_command *aac_commands; 192 }; 193 194 /* 195 * We gather a number of adapter-visible items into a single structure. 196 * 197 * The ordering of this strucure may be important; we copy the Linux driver: 198 * 199 * Adapter FIBs 200 * Init struct 201 * Queue headers (Comm Area) 202 * Printf buffer 203 * 204 * In addition, we add: 205 * Sync Fib 206 */ 207 struct aac_common { 208 /* fibs for the controller to send us messages */ 209 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 210 211 /* the init structure */ 212 struct aac_adapter_init ac_init; 213 214 /* arena within which the queue structures are kept */ 215 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 216 AAC_QUEUE_ALIGN]; 217 218 /* buffer for text messages from the controller */ 219 char ac_printf[AAC_PRINTF_BUFSIZE]; 220 221 /* fib for synchronous commands */ 222 struct aac_fib ac_sync_fib; 223 }; 224 225 /* 226 * Interface operations 227 */ 228 struct aac_interface 229 { 230 int (*aif_get_fwstatus)(struct aac_softc *sc); 231 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 232 int (*aif_get_istatus)(struct aac_softc *sc); 233 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 234 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 235 u_int32_t arg0, u_int32_t arg1, 236 u_int32_t arg2, u_int32_t arg3); 237 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 238 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 239 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 240 int (*aif_get_outb_queue)(struct aac_softc *sc); 241 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 242 }; 243 extern struct aac_interface aac_rx_interface; 244 extern struct aac_interface aac_sa_interface; 245 extern struct aac_interface aac_fa_interface; 246 extern struct aac_interface aac_rkt_interface; 247 248 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 249 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 250 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 251 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 252 (mask))) 253 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 254 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 255 (arg3))) 256 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 257 (mb))) 258 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 259 0)) 260 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 261 1)) 262 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm))) 263 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc))) 264 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx))) 265 266 #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ 267 sc->aac_bhandle0, reg, val) 268 #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ 269 sc->aac_bhandle0, reg) 270 #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ 271 sc->aac_bhandle0, reg, val) 272 #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ 273 sc->aac_bhandle0, reg) 274 #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ 275 sc->aac_bhandle0, reg, val) 276 #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ 277 sc->aac_bhandle0, reg) 278 279 #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ 280 sc->aac_bhandle1, reg, val) 281 #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ 282 sc->aac_bhandle1, reg) 283 #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ 284 sc->aac_bhandle1, reg, val) 285 #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ 286 sc->aac_bhandle1, reg) 287 #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ 288 sc->aac_bhandle1, reg, val) 289 #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ 290 sc->aac_bhandle1, reg) 291 292 /* fib context (IOCTL) */ 293 struct aac_fib_context { 294 u_int32_t unique; 295 int ctx_idx; 296 int ctx_wrap; 297 struct aac_fib_context *next, *prev; 298 }; 299 300 /* 301 * Per-controller structure. 302 */ 303 struct aac_softc 304 { 305 /* bus connections */ 306 device_t aac_dev; 307 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ 308 int aac_regs_rid0, aac_regs_rid1; /* resource ID */ 309 bus_space_handle_t aac_bhandle0, aac_bhandle1; /* bus space handle */ 310 bus_space_tag_t aac_btag0, aac_btag1; /* bus space tag */ 311 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 312 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 313 * DMA tag */ 314 struct resource *aac_irq; /* interrupt */ 315 int aac_irq_rid; 316 void *aac_intr; /* interrupt handle */ 317 eventhandler_tag eh; 318 319 /* controller features, limits and status */ 320 int aac_state; 321 #define AAC_STATE_SUSPEND (1<<0) 322 #define AAC_STATE_OPEN (1<<1) 323 #define AAC_STATE_INTERRUPTS_ON (1<<2) 324 #define AAC_STATE_AIF_SLEEPER (1<<3) 325 int aac_open_cnt; 326 struct FsaRevision aac_revision; 327 328 /* controller hardware interface */ 329 int aac_hwif; 330 #define AAC_HWIF_I960RX 0 331 #define AAC_HWIF_STRONGARM 1 332 #define AAC_HWIF_RKT 3 333 #define AAC_HWIF_NARK 4 334 #define AAC_HWIF_UNKNOWN -1 335 bus_dma_tag_t aac_common_dmat; /* common structure 336 * DMA tag */ 337 bus_dmamap_t aac_common_dmamap; /* common structure 338 * DMA map */ 339 struct aac_common *aac_common; 340 u_int32_t aac_common_busaddr; 341 struct aac_interface aac_if; 342 343 /* command/fib resources */ 344 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 345 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 346 u_int total_fibs; 347 struct aac_command *aac_commands; 348 349 /* command management */ 350 TAILQ_HEAD(,aac_command) aac_free; /* command structures 351 * available for reuse */ 352 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 353 * controller resources */ 354 TAILQ_HEAD(,aac_command) aac_busy; 355 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 356 struct bio_queue_head aac_bioq; 357 struct aac_queue_table *aac_queues; 358 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 359 360 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 361 362 /* connected containters */ 363 TAILQ_HEAD(,aac_container) aac_container_tqh; 364 struct mtx aac_container_lock; 365 366 /* 367 * The general I/O lock. This protects the sync fib, the lists, the 368 * queues, and the registers. 369 */ 370 struct mtx aac_io_lock; 371 372 /* delayed activity infrastructure */ 373 struct task aac_task_complete; /* deferred-completion 374 * task */ 375 struct intr_config_hook aac_ich; 376 377 /* management interface */ 378 struct cdev *aac_dev_t; 379 struct mtx aac_aifq_lock; 380 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; 381 int aifq_idx; 382 int aifq_filled; 383 struct aac_fib_context *fibctx; 384 struct selinfo rcv_select; 385 struct proc *aifthread; 386 int aifflags; 387 #define AAC_AIFFLAGS_RUNNING (1 << 0) 388 #define AAC_AIFFLAGS_AIF (1 << 1) 389 #define AAC_AIFFLAGS_EXIT (1 << 2) 390 #define AAC_AIFFLAGS_EXITED (1 << 3) 391 #define AAC_AIFFLAGS_PRINTF (1 << 4) 392 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 393 #define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \ 394 AAC_AIFFLAGS_ALLOCFIBS) 395 u_int32_t flags; 396 #define AAC_FLAGS_PERC2QC (1 << 0) 397 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 398 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 399 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 400 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 401 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 402 * 2GB-4GB range */ 403 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 404 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 405 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 406 #define AAC_FLAGS_SLAVE (1 << 9) 407 #define AAC_FLAGS_MASTER (1 << 10) 408 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 409 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 410 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 411 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 412 413 u_int32_t supported_options; 414 u_int32_t scsi_method_id; 415 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 416 417 struct callout aac_daemontime; /* clock daemon callout */ 418 419 u_int32_t aac_max_fibs; /* max. FIB count */ 420 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 421 u_int32_t aac_max_fib_size; /* max. FIB size */ 422 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 423 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 424 }; 425 426 /* 427 * Event callback mechanism for the driver 428 */ 429 #define AAC_EVENT_NONE 0x00 430 #define AAC_EVENT_CMFREE 0x01 431 #define AAC_EVENT_MASK 0xff 432 #define AAC_EVENT_REPEAT 0x100 433 434 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 435 void *arg); 436 struct aac_event { 437 TAILQ_ENTRY(aac_event) ev_links; 438 int ev_type; 439 aac_event_cb_t *ev_callback; 440 void *ev_arg; 441 }; 442 443 /* 444 * Public functions 445 */ 446 extern void aac_free(struct aac_softc *sc); 447 extern int aac_attach(struct aac_softc *sc); 448 extern int aac_detach(device_t dev); 449 extern int aac_shutdown(device_t dev); 450 extern int aac_suspend(device_t dev); 451 extern int aac_resume(device_t dev); 452 extern void aac_new_intr(void *arg); 453 extern int aac_filter(void *arg); 454 extern void aac_submit_bio(struct bio *bp); 455 extern void aac_biodone(struct bio *bp); 456 extern void aac_startio(struct aac_softc *sc); 457 extern int aac_alloc_command(struct aac_softc *sc, 458 struct aac_command **cmp); 459 extern void aac_release_command(struct aac_command *cm); 460 extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 461 u_int32_t xferstate, struct aac_fib *fib, 462 u_int16_t datasize); 463 extern void aac_add_event(struct aac_softc *sc, struct aac_event 464 *event); 465 466 #ifdef AAC_DEBUG 467 extern int aac_debug_enable; 468 # define fwprintf(sc, flags, fmt, args...) \ 469 do { \ 470 if (!aac_debug_enable) \ 471 break; \ 472 if (sc != NULL) \ 473 device_printf(((struct aac_softc *)sc)->aac_dev, \ 474 "%s: " fmt "\n", __func__, ##args); \ 475 else \ 476 printf("%s: " fmt "\n", __func__, ##args); \ 477 } while(0) 478 479 extern void aac_print_queues(struct aac_softc *sc); 480 extern void aac_panic(struct aac_softc *sc, char *reason); 481 extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 482 const char *caller); 483 extern void aac_print_aif(struct aac_softc *sc, 484 struct aac_aif_command *aif); 485 486 #define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) 487 488 #else 489 # define fwprintf(sc, flags, fmt, args...) 490 491 # define aac_print_queues(sc) 492 # define aac_panic(sc, reason) 493 494 # define AAC_PRINT_FIB(sc, fib) 495 # define aac_print_aif(sc, aac_aif_command) 496 #endif 497 498 struct aac_code_lookup { 499 char *string; 500 u_int32_t code; 501 }; 502 503 /* 504 * Queue primitives for driver queues. 505 */ 506 #define AACQ_ADD(sc, qname) \ 507 do { \ 508 struct aac_qstat *qs; \ 509 \ 510 qs = &(sc)->aac_qstat[qname]; \ 511 \ 512 qs->q_length++; \ 513 if (qs->q_length > qs->q_max) \ 514 qs->q_max = qs->q_length; \ 515 } while (0) 516 517 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 518 #define AACQ_INIT(sc, qname) \ 519 do { \ 520 sc->aac_qstat[qname].q_length = 0; \ 521 sc->aac_qstat[qname].q_max = 0; \ 522 } while (0) 523 524 525 #define AACQ_COMMAND_QUEUE(name, index) \ 526 static __inline void \ 527 aac_initq_ ## name (struct aac_softc *sc) \ 528 { \ 529 TAILQ_INIT(&sc->aac_ ## name); \ 530 AACQ_INIT(sc, index); \ 531 } \ 532 static __inline void \ 533 aac_enqueue_ ## name (struct aac_command *cm) \ 534 { \ 535 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 536 printf("command %p is on another queue, flags = %#x\n", \ 537 cm, cm->cm_flags); \ 538 panic("command is on another queue"); \ 539 } \ 540 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 541 cm->cm_flags |= AAC_ON_ ## index; \ 542 AACQ_ADD(cm->cm_sc, index); \ 543 } \ 544 static __inline void \ 545 aac_requeue_ ## name (struct aac_command *cm) \ 546 { \ 547 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 548 printf("command %p is on another queue, flags = %#x\n", \ 549 cm, cm->cm_flags); \ 550 panic("command is on another queue"); \ 551 } \ 552 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 553 cm->cm_flags |= AAC_ON_ ## index; \ 554 AACQ_ADD(cm->cm_sc, index); \ 555 } \ 556 static __inline struct aac_command * \ 557 aac_dequeue_ ## name (struct aac_softc *sc) \ 558 { \ 559 struct aac_command *cm; \ 560 \ 561 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 562 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 563 printf("command %p not in queue, flags = %#x, " \ 564 "bit = %#x\n", cm, cm->cm_flags, \ 565 AAC_ON_ ## index); \ 566 panic("command not in queue"); \ 567 } \ 568 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 569 cm->cm_flags &= ~AAC_ON_ ## index; \ 570 AACQ_REMOVE(sc, index); \ 571 } \ 572 return(cm); \ 573 } \ 574 static __inline void \ 575 aac_remove_ ## name (struct aac_command *cm) \ 576 { \ 577 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 578 printf("command %p not in queue, flags = %#x, " \ 579 "bit = %#x\n", cm, cm->cm_flags, \ 580 AAC_ON_ ## index); \ 581 panic("command not in queue"); \ 582 } \ 583 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 584 cm->cm_flags &= ~AAC_ON_ ## index; \ 585 AACQ_REMOVE(cm->cm_sc, index); \ 586 } \ 587 struct hack 588 589 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 590 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 591 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 592 593 /* 594 * outstanding bio queue 595 */ 596 static __inline void 597 aac_initq_bio(struct aac_softc *sc) 598 { 599 bioq_init(&sc->aac_bioq); 600 AACQ_INIT(sc, AACQ_BIO); 601 } 602 603 static __inline void 604 aac_enqueue_bio(struct aac_softc *sc, struct bio *bp) 605 { 606 bioq_insert_tail(&sc->aac_bioq, bp); 607 AACQ_ADD(sc, AACQ_BIO); 608 } 609 610 static __inline struct bio * 611 aac_dequeue_bio(struct aac_softc *sc) 612 { 613 struct bio *bp; 614 615 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) { 616 bioq_remove(&sc->aac_bioq, bp); 617 AACQ_REMOVE(sc, AACQ_BIO); 618 } 619 return(bp); 620 } 621 622 static __inline void 623 aac_print_printf(struct aac_softc *sc) 624 { 625 /* 626 * XXX We have the ability to read the length of the printf string 627 * from out of the mailboxes. 628 */ 629 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 630 sc->aac_common->ac_printf); 631 sc->aac_common->ac_printf[0] = 0; 632 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 633 } 634 635 static __inline int 636 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 637 { 638 639 mtx_assert(&sc->aac_io_lock, MA_OWNED); 640 *fib = &sc->aac_common->ac_sync_fib; 641 return (0); 642 } 643 644 static __inline void 645 aac_release_sync_fib(struct aac_softc *sc) 646 { 647 648 mtx_assert(&sc->aac_io_lock, MA_OWNED); 649 } 650 651