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: src/sys/dev/aac/aacvar.h,v 1.60 2010/09/29 14:22:00 emaste Exp $ 30 */ 31 32 #include <sys/bio.h> 33 #include <sys/callout.h> 34 #include <sys/lock.h> 35 #include <sys/taskqueue.h> 36 #include <sys/buf2.h> 37 #include <sys/devicestat.h> 38 #include <sys/disk.h> 39 #include <sys/eventhandler.h> 40 41 #define AAC_TYPE_DEVO 1 42 #define AAC_TYPE_ALPHA 2 43 #define AAC_TYPE_BETA 3 44 #define AAC_TYPE_RELEASE 4 45 46 #define AAC_DRIVER_MAJOR_VERSION 2 47 #define AAC_DRIVER_MINOR_VERSION 1 48 #define AAC_DRIVER_BUGFIX_LEVEL 9 49 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE 50 51 #ifndef AAC_DRIVER_BUILD 52 # define AAC_DRIVER_BUILD 1 53 #endif 54 55 /* 56 * Driver Parameter Definitions 57 */ 58 59 /* 60 * The firmware interface allows for a 16-bit s/g list length. We limit 61 * ourselves to a reasonable maximum and ensure alignment. 62 */ 63 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 64 65 /* 66 * We allocate a small set of FIBs for the adapter to use to send us messages. 67 */ 68 #define AAC_ADAPTER_FIBS 8 69 70 /* 71 * The controller reports status events in AIFs. We hang on to a number of 72 * these in order to pass them out to user-space management tools. 73 */ 74 #define AAC_AIFQ_LENGTH 64 75 76 /* 77 * Firmware messages are passed in the kprintf buffer. 78 */ 79 #define AAC_PRINTF_BUFSIZE 256 80 81 /* 82 * We wait this many seconds for the adapter to come ready if it is still 83 * booting 84 */ 85 #define AAC_BOOT_TIMEOUT (3 * 60) 86 87 /* 88 * Timeout for immediate commands. 89 */ 90 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 91 92 /* 93 * Timeout for normal commands 94 */ 95 #define AAC_CMD_TIMEOUT 120 /* seconds */ 96 97 /* 98 * Rate at which we periodically check for timed out commands and kick the 99 * controller. 100 */ 101 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 102 103 /* 104 * Per-container data structure 105 */ 106 struct aac_container 107 { 108 struct aac_mntobj co_mntobj; 109 device_t co_disk; 110 int co_found; 111 TAILQ_ENTRY(aac_container) co_link; 112 }; 113 114 /* 115 * Per-SIM data structure 116 */ 117 struct aac_cam; 118 struct aac_sim 119 { 120 device_t sim_dev; 121 int TargetsPerBus; 122 int BusNumber; 123 int InitiatorBusId; 124 struct aac_softc *aac_sc; 125 struct aac_cam *aac_cam; 126 TAILQ_ENTRY(aac_sim) sim_link; 127 }; 128 129 /* 130 * Per-disk structure 131 */ 132 struct aac_disk 133 { 134 device_t ad_dev; 135 cdev_t ad_dev_t; 136 struct aac_softc *ad_controller; 137 struct aac_container *ad_container; 138 struct disk ad_disk; 139 struct devstat ad_stats; 140 int ad_flags; 141 #define AAC_DISK_OPEN (1<<0) 142 int ad_cylinders; 143 int ad_heads; 144 int ad_sectors; 145 u_int64_t ad_size; 146 int unit; 147 }; 148 149 /* 150 * Per-command control structure. 151 */ 152 struct aac_command 153 { 154 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 155 156 struct aac_softc *cm_sc; /* controller that owns us */ 157 158 struct aac_fib *cm_fib; /* FIB associated with this 159 * command */ 160 u_int64_t cm_fibphys; /* bus address of the FIB */ 161 struct bio *cm_data; /* pointer to data in kernel 162 * space */ 163 u_int32_t cm_datalen; /* data length */ 164 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 165 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 166 * command */ 167 int cm_flags; 168 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 169 * mapped */ 170 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 171 * from controller to host */ 172 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 173 * from host to controller */ 174 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 175 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 176 #define AAC_ON_AACQ_FREE (1<<5) 177 #define AAC_ON_AACQ_READY (1<<6) 178 #define AAC_ON_AACQ_BUSY (1<<7) 179 #define AAC_ON_AACQ_AIF (1<<8) 180 #define AAC_ON_AACQ_NORM (1<<10) 181 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 182 #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of 183 * commands on the queue. */ 184 185 void (* cm_complete)(struct aac_command *cm); 186 void *cm_private; 187 time_t cm_timestamp; /* command creation time */ 188 int cm_queue; 189 int cm_index; 190 }; 191 192 struct aac_fibmap { 193 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 194 struct aac_fib *aac_fibs; 195 bus_dmamap_t aac_fibmap; 196 struct aac_command *aac_commands; 197 }; 198 199 /* 200 * We gather a number of adapter-visible items into a single structure. 201 * 202 * The ordering of this strucure may be important; we copy the Linux driver: 203 * 204 * Adapter FIBs 205 * Init struct 206 * Queue headers (Comm Area) 207 * Printf buffer 208 * 209 * In addition, we add: 210 * Sync Fib 211 */ 212 struct aac_common { 213 /* fibs for the controller to send us messages */ 214 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 215 216 /* the init structure */ 217 struct aac_adapter_init ac_init; 218 219 /* arena within which the queue structures are kept */ 220 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 221 AAC_QUEUE_ALIGN]; 222 223 /* buffer for text messages from the controller */ 224 char ac_printf[AAC_PRINTF_BUFSIZE]; 225 226 /* fib for synchronous commands */ 227 struct aac_fib ac_sync_fib; 228 }; 229 230 /* 231 * Interface operations 232 */ 233 struct aac_interface 234 { 235 int (*aif_get_fwstatus)(struct aac_softc *sc); 236 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 237 int (*aif_get_istatus)(struct aac_softc *sc); 238 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 239 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 240 u_int32_t arg0, u_int32_t arg1, 241 u_int32_t arg2, u_int32_t arg3); 242 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 243 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 244 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 245 int (*aif_get_outb_queue)(struct aac_softc *sc); 246 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 247 }; 248 extern struct aac_interface aac_rx_interface; 249 extern struct aac_interface aac_sa_interface; 250 extern struct aac_interface aac_fa_interface; 251 extern struct aac_interface aac_rkt_interface; 252 253 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 254 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 255 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 256 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 257 (mask))) 258 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 259 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 260 (arg3))) 261 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 262 (mb))) 263 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 264 0)) 265 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 266 1)) 267 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm))) 268 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc))) 269 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx))) 270 271 #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ 272 sc->aac_bhandle0, reg, val) 273 #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ 274 sc->aac_bhandle0, reg) 275 #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ 276 sc->aac_bhandle0, reg, val) 277 #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ 278 sc->aac_bhandle0, reg) 279 #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ 280 sc->aac_bhandle0, reg, val) 281 #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ 282 sc->aac_bhandle0, reg) 283 284 #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ 285 sc->aac_bhandle1, reg, val) 286 #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ 287 sc->aac_bhandle1, reg) 288 #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ 289 sc->aac_bhandle1, reg, val) 290 #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ 291 sc->aac_bhandle1, reg) 292 #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ 293 sc->aac_bhandle1, reg, val) 294 #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ 295 sc->aac_bhandle1, reg) 296 297 /* fib context (IOCTL) */ 298 struct aac_fib_context { 299 u_int32_t unique; 300 int ctx_idx; 301 int ctx_wrap; 302 struct aac_fib_context *next, *prev; 303 }; 304 305 /* 306 * Per-controller structure. 307 */ 308 struct aac_softc 309 { 310 /* bus connections */ 311 device_t aac_dev; 312 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ 313 int aac_regs_rid0, aac_regs_rid1; /* resource ID */ 314 bus_space_handle_t aac_bhandle0, aac_bhandle1; /* bus space handle */ 315 bus_space_tag_t aac_btag0, aac_btag1; /* bus space tag */ 316 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 317 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 318 * DMA tag */ 319 struct resource *aac_irq; /* interrupt */ 320 int aac_irq_rid; 321 void *aac_intr; /* interrupt handle */ 322 eventhandler_tag eh; 323 324 /* controller features, limits and status */ 325 int aac_state; 326 #define AAC_STATE_SUSPEND (1<<0) 327 #define AAC_STATE_UNUSED0 (1<<1) 328 #define AAC_STATE_INTERRUPTS_ON (1<<2) 329 #define AAC_STATE_AIF_SLEEPER (1<<3) 330 struct FsaRevision aac_revision; 331 332 /* controller hardware interface */ 333 int aac_hwif; 334 #define AAC_HWIF_I960RX 0 335 #define AAC_HWIF_STRONGARM 1 336 #define AAC_HWIF_RKT 3 337 #define AAC_HWIF_NARK 4 338 #define AAC_HWIF_UNKNOWN -1 339 bus_dma_tag_t aac_common_dmat; /* common structure 340 * DMA tag */ 341 bus_dmamap_t aac_common_dmamap; /* common structure 342 * DMA map */ 343 struct aac_common *aac_common; 344 u_int32_t aac_common_busaddr; 345 struct aac_interface aac_if; 346 347 /* command/fib resources */ 348 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 349 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 350 u_int total_fibs; 351 struct aac_command *aac_commands; 352 353 /* command management */ 354 TAILQ_HEAD(,aac_command) aac_free; /* command structures 355 * available for reuse */ 356 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 357 * controller resources */ 358 TAILQ_HEAD(,aac_command) aac_busy; 359 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 360 struct bio_queue_head aac_bioq; 361 struct aac_queue_table *aac_queues; 362 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 363 364 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 365 366 /* connected containters */ 367 TAILQ_HEAD(,aac_container) aac_container_tqh; 368 struct lock aac_container_lock; 369 370 /* 371 * The general I/O lock. This protects the sync fib, the lists, the 372 * queues, and the registers. 373 */ 374 struct lock aac_io_lock; 375 376 /* delayed activity infrastructure */ 377 struct task aac_task_complete; /* deferred-completion 378 * task */ 379 struct intr_config_hook aac_ich; 380 381 /* management interface */ 382 struct cdev *aac_dev_t; 383 struct lock aac_aifq_lock; 384 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; 385 int aifq_idx; 386 int aifq_filled; 387 struct aac_fib_context *fibctx; 388 struct kqinfo rcv_kq; 389 struct thread *aifthread; 390 int aifflags; 391 #define AAC_AIFFLAGS_RUNNING (1 << 0) 392 #define AAC_AIFFLAGS_AIF (1 << 1) 393 #define AAC_AIFFLAGS_EXIT (1 << 2) 394 #define AAC_AIFFLAGS_EXITED (1 << 3) 395 #define AAC_AIFFLAGS_PRINTF (1 << 4) 396 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 397 #define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \ 398 AAC_AIFFLAGS_ALLOCFIBS) 399 u_int32_t flags; 400 #define AAC_FLAGS_PERC2QC (1 << 0) 401 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 402 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 403 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 404 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 405 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 406 * 2GB-4GB range */ 407 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 408 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 409 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 410 #define AAC_FLAGS_SLAVE (1 << 9) 411 #define AAC_FLAGS_MASTER (1 << 10) 412 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 413 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 414 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 415 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 416 417 u_int32_t supported_options; 418 u_int32_t scsi_method_id; 419 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 420 421 struct callout aac_daemontime; /* clock daemon callout */ 422 423 u_int32_t aac_max_fibs; /* max. FIB count */ 424 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 425 u_int32_t aac_max_fib_size; /* max. FIB size */ 426 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 427 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 428 #define AAC_CAM_TARGET_WILDCARD ~0 429 void (*cam_rescan_cb)(struct aac_softc *, uint32_t, 430 uint32_t); 431 }; 432 433 /* 434 * Event callback mechanism for the driver 435 */ 436 #define AAC_EVENT_NONE 0x00 437 #define AAC_EVENT_CMFREE 0x01 438 #define AAC_EVENT_MASK 0xff 439 #define AAC_EVENT_REPEAT 0x100 440 441 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 442 void *arg); 443 struct aac_event { 444 TAILQ_ENTRY(aac_event) ev_links; 445 int ev_type; 446 aac_event_cb_t *ev_callback; 447 void *ev_arg; 448 }; 449 450 /* 451 * Public functions 452 */ 453 extern void aac_free(struct aac_softc *sc); 454 extern int aac_attach(struct aac_softc *sc); 455 extern int aac_detach(device_t dev); 456 extern int aac_shutdown(device_t dev); 457 extern int aac_suspend(device_t dev); 458 extern int aac_resume(device_t dev); 459 extern void aac_new_intr(void *arg); 460 extern void aac_filter(void *arg); 461 extern void aac_submit_bio(struct aac_disk *ad, struct bio *bio); 462 extern void aac_biodone(struct bio *bio, const char *code); 463 extern void aac_startio(struct aac_softc *sc); 464 extern int aac_alloc_command(struct aac_softc *sc, 465 struct aac_command **cmp); 466 extern void aac_release_command(struct aac_command *cm); 467 extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 468 u_int32_t xferstate, struct aac_fib *fib, 469 u_int16_t datasize); 470 extern void aac_add_event(struct aac_softc *sc, struct aac_event 471 *event); 472 473 #ifdef AAC_DEBUG 474 extern int aac_debug_enable; 475 # define fwprintf(sc, flags, fmt, args...) \ 476 do { \ 477 if (!aac_debug_enable) \ 478 break; \ 479 if (sc != NULL) \ 480 device_printf(((struct aac_softc *)sc)->aac_dev, \ 481 "%s: " fmt "\n", __func__, ##args); \ 482 else \ 483 kprintf("%s: " fmt "\n", __func__, ##args); \ 484 } while(0) 485 486 extern void aac_print_queues(struct aac_softc *sc); 487 extern void aac_panic(struct aac_softc *sc, char *reason); 488 extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 489 const char *caller); 490 extern void aac_print_aif(struct aac_softc *sc, 491 struct aac_aif_command *aif); 492 493 #define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) 494 495 #else 496 # define fwprintf(sc, flags, fmt, args...) 497 498 # define aac_print_queues(sc) 499 # define aac_panic(sc, reason) 500 501 # define AAC_PRINT_FIB(sc, fib) 502 # define aac_print_aif(sc, aac_aif_command) 503 #endif 504 505 struct aac_code_lookup { 506 char *string; 507 u_int32_t code; 508 }; 509 510 /* 511 * Queue primitives for driver queues. 512 */ 513 #define AACQ_ADD(sc, qname) \ 514 do { \ 515 struct aac_qstat *qs; \ 516 \ 517 qs = &(sc)->aac_qstat[qname]; \ 518 \ 519 qs->q_length++; \ 520 if (qs->q_length > qs->q_max) \ 521 qs->q_max = qs->q_length; \ 522 } while (0) 523 524 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 525 #define AACQ_INIT(sc, qname) \ 526 do { \ 527 sc->aac_qstat[qname].q_length = 0; \ 528 sc->aac_qstat[qname].q_max = 0; \ 529 } while (0) 530 531 532 #define AACQ_COMMAND_QUEUE(name, index) \ 533 static __inline void \ 534 aac_initq_ ## name (struct aac_softc *sc) \ 535 { \ 536 TAILQ_INIT(&sc->aac_ ## name); \ 537 AACQ_INIT(sc, index); \ 538 } \ 539 static __inline void \ 540 aac_enqueue_ ## name (struct aac_command *cm) \ 541 { \ 542 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 543 kprintf("command %p is on another queue, flags = %#x\n", \ 544 cm, cm->cm_flags); \ 545 panic("command is on another queue"); \ 546 } \ 547 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 548 cm->cm_flags |= AAC_ON_ ## index; \ 549 AACQ_ADD(cm->cm_sc, index); \ 550 } \ 551 static __inline void \ 552 aac_requeue_ ## name (struct aac_command *cm) \ 553 { \ 554 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 555 kprintf("command %p is on another queue, flags = %#x\n", \ 556 cm, cm->cm_flags); \ 557 panic("command is on another queue"); \ 558 } \ 559 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 560 cm->cm_flags |= AAC_ON_ ## index; \ 561 AACQ_ADD(cm->cm_sc, index); \ 562 } \ 563 static __inline struct aac_command * \ 564 aac_dequeue_ ## name (struct aac_softc *sc) \ 565 { \ 566 struct aac_command *cm; \ 567 \ 568 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 569 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 570 kprintf("command %p not in queue, flags = %#x, " \ 571 "bit = %#x\n", cm, cm->cm_flags, \ 572 AAC_ON_ ## index); \ 573 panic("command not in queue"); \ 574 } \ 575 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 576 cm->cm_flags &= ~AAC_ON_ ## index; \ 577 AACQ_REMOVE(sc, index); \ 578 } \ 579 return(cm); \ 580 } \ 581 static __inline void \ 582 aac_remove_ ## name (struct aac_command *cm) \ 583 { \ 584 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 585 kprintf("command %p not in queue, flags = %#x, " \ 586 "bit = %#x\n", cm, cm->cm_flags, \ 587 AAC_ON_ ## index); \ 588 panic("command not in queue"); \ 589 } \ 590 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 591 cm->cm_flags &= ~AAC_ON_ ## index; \ 592 AACQ_REMOVE(cm->cm_sc, index); \ 593 } \ 594 struct hack 595 596 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 597 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 598 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 599 600 /* 601 * outstanding bio queue 602 */ 603 static __inline void 604 aac_initq_bio(struct aac_softc *sc) 605 { 606 bioq_init(&sc->aac_bioq); 607 AACQ_INIT(sc, AACQ_BIO); 608 } 609 610 static __inline void 611 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio) 612 { 613 bioq_insert_tail(&sc->aac_bioq, bio); 614 AACQ_ADD(sc, AACQ_BIO); 615 } 616 617 static __inline struct bio * 618 aac_dequeue_bio(struct aac_softc *sc) 619 { 620 struct bio *bio; 621 622 if ((bio = bioq_first(&sc->aac_bioq)) != NULL) { 623 bioq_remove(&sc->aac_bioq, bio); 624 AACQ_REMOVE(sc, AACQ_BIO); 625 } 626 return(bio); 627 } 628 629 static __inline void 630 aac_print_printf(struct aac_softc *sc) 631 { 632 /* 633 * XXX We have the ability to read the length of the kprintf string 634 * from out of the mailboxes. 635 */ 636 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 637 sc->aac_common->ac_printf); 638 sc->aac_common->ac_printf[0] = 0; 639 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 640 } 641 642 static __inline int 643 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 644 { 645 646 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0); 647 *fib = &sc->aac_common->ac_sync_fib; 648 return (0); 649 } 650 651 static __inline void 652 aac_release_sync_fib(struct aac_softc *sc) 653 { 654 655 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0); 656 } 657 658