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 1.63 2011/06/10 20:23:56 attilio 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 #include <sys/sysctl.h> 41 42 #define AAC_TYPE_DEVO 1 43 #define AAC_TYPE_ALPHA 2 44 #define AAC_TYPE_BETA 3 45 #define AAC_TYPE_RELEASE 4 46 47 #define AAC_DRIVER_MAJOR_VERSION 2 48 #define AAC_DRIVER_MINOR_VERSION 1 49 #define AAC_DRIVER_BUGFIX_LEVEL 9 50 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE 51 52 #ifndef AAC_DRIVER_BUILD 53 # define AAC_DRIVER_BUILD 1 54 #endif 55 56 /* 57 * Driver Parameter Definitions 58 */ 59 60 /* 61 * The firmware interface allows for a 16-bit s/g list length. We limit 62 * ourselves to a reasonable maximum and ensure alignment. 63 */ 64 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 65 66 /* 67 * We allocate a small set of FIBs for the adapter to use to send us messages. 68 */ 69 #define AAC_ADAPTER_FIBS 8 70 71 /* 72 * The controller reports status events in AIFs. We hang on to a number of 73 * these in order to pass them out to user-space management tools. 74 */ 75 #define AAC_AIFQ_LENGTH 64 76 77 /* 78 * Firmware messages are passed in the kprintf buffer. 79 */ 80 #define AAC_PRINTF_BUFSIZE 256 81 82 /* 83 * We wait this many seconds for the adapter to come ready if it is still 84 * booting 85 */ 86 #define AAC_BOOT_TIMEOUT (3 * 60) 87 88 /* 89 * Timeout for immediate commands. 90 */ 91 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 92 93 /* 94 * Timeout for normal commands 95 */ 96 #define AAC_CMD_TIMEOUT 120 /* seconds */ 97 98 /* 99 * Rate at which we periodically check for timed out commands and kick the 100 * controller. 101 */ 102 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 103 104 /* 105 * Per-container data structure 106 */ 107 struct aac_container 108 { 109 struct aac_mntobj co_mntobj; 110 device_t co_disk; 111 int co_found; 112 TAILQ_ENTRY(aac_container) co_link; 113 }; 114 115 /* 116 * Per-SIM data structure 117 */ 118 struct aac_cam; 119 struct aac_sim 120 { 121 device_t sim_dev; 122 int TargetsPerBus; 123 int BusNumber; 124 int InitiatorBusId; 125 struct aac_softc *aac_sc; 126 struct aac_cam *aac_cam; 127 TAILQ_ENTRY(aac_sim) sim_link; 128 }; 129 130 /* 131 * Per-disk structure 132 */ 133 struct aac_disk 134 { 135 device_t ad_dev; 136 cdev_t ad_dev_t; 137 struct aac_softc *ad_controller; 138 struct aac_container *ad_container; 139 struct disk ad_disk; 140 struct devstat ad_stats; 141 int ad_flags; 142 #define AAC_DISK_OPEN (1<<0) 143 int ad_cylinders; 144 int ad_heads; 145 int ad_sectors; 146 u_int64_t ad_size; 147 int unit; 148 }; 149 150 /* 151 * Per-command control structure. 152 */ 153 struct aac_command 154 { 155 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 156 157 struct aac_softc *cm_sc; /* controller that owns us */ 158 159 struct aac_fib *cm_fib; /* FIB associated with this 160 * command */ 161 u_int64_t cm_fibphys; /* bus address of the FIB */ 162 struct bio *cm_data; /* pointer to data in kernel 163 * space */ 164 u_int32_t cm_datalen; /* data length */ 165 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 166 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 167 * command */ 168 int cm_flags; 169 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 170 * mapped */ 171 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 172 * from controller to host */ 173 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 174 * from host to controller */ 175 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 176 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 177 #define AAC_ON_AACQ_FREE (1<<5) 178 #define AAC_ON_AACQ_READY (1<<6) 179 #define AAC_ON_AACQ_BUSY (1<<7) 180 #define AAC_ON_AACQ_AIF (1<<8) 181 #define AAC_ON_AACQ_NORM (1<<10) 182 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 183 #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of 184 * commands on the queue. */ 185 186 void (* cm_complete)(struct aac_command *cm); 187 void *cm_private; 188 time_t cm_timestamp; /* command creation time */ 189 int cm_queue; 190 int cm_index; 191 }; 192 193 struct aac_fibmap { 194 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 195 struct aac_fib *aac_fibs; 196 bus_dmamap_t aac_fibmap; 197 struct aac_command *aac_commands; 198 }; 199 200 /* 201 * We gather a number of adapter-visible items into a single structure. 202 * 203 * The ordering of this strucure may be important; we copy the Linux driver: 204 * 205 * Adapter FIBs 206 * Init struct 207 * Queue headers (Comm Area) 208 * Printf buffer 209 * 210 * In addition, we add: 211 * Sync Fib 212 */ 213 struct aac_common { 214 /* fibs for the controller to send us messages */ 215 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 216 217 /* the init structure */ 218 struct aac_adapter_init ac_init; 219 220 /* arena within which the queue structures are kept */ 221 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 222 AAC_QUEUE_ALIGN]; 223 224 /* buffer for text messages from the controller */ 225 char ac_printf[AAC_PRINTF_BUFSIZE]; 226 227 /* fib for synchronous commands */ 228 struct aac_fib ac_sync_fib; 229 }; 230 231 /* 232 * Interface operations 233 */ 234 struct aac_interface 235 { 236 int (*aif_get_fwstatus)(struct aac_softc *sc); 237 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 238 int (*aif_get_istatus)(struct aac_softc *sc); 239 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 240 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 241 u_int32_t arg0, u_int32_t arg1, 242 u_int32_t arg2, u_int32_t arg3); 243 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 244 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 245 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 246 int (*aif_get_outb_queue)(struct aac_softc *sc); 247 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 248 }; 249 extern struct aac_interface aac_rx_interface; 250 extern struct aac_interface aac_sa_interface; 251 extern struct aac_interface aac_fa_interface; 252 extern struct aac_interface aac_rkt_interface; 253 254 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 255 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 256 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 257 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 258 (mask))) 259 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 260 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 261 (arg3))) 262 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 263 (mb))) 264 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 265 0)) 266 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 267 1)) 268 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm))) 269 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc))) 270 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx))) 271 272 #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ 273 sc->aac_bhandle0, reg, val) 274 #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ 275 sc->aac_bhandle0, reg) 276 #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ 277 sc->aac_bhandle0, reg, val) 278 #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ 279 sc->aac_bhandle0, reg) 280 #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ 281 sc->aac_bhandle0, reg, val) 282 #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ 283 sc->aac_bhandle0, reg) 284 285 #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ 286 sc->aac_bhandle1, reg, val) 287 #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ 288 sc->aac_bhandle1, reg) 289 #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ 290 sc->aac_bhandle1, reg, val) 291 #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ 292 sc->aac_bhandle1, reg) 293 #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ 294 sc->aac_bhandle1, reg, val) 295 #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ 296 sc->aac_bhandle1, reg) 297 298 /* fib context (IOCTL) */ 299 struct aac_fib_context { 300 u_int32_t unique; 301 int ctx_idx; 302 int ctx_wrap; 303 struct aac_fib_context *next, *prev; 304 }; 305 306 /* 307 * Per-controller structure. 308 */ 309 struct aac_softc 310 { 311 /* bus connections */ 312 device_t aac_dev; 313 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ 314 int aac_regs_rid0, aac_regs_rid1; /* resource ID */ 315 bus_space_handle_t aac_bhandle0, aac_bhandle1; /* bus space handle */ 316 bus_space_tag_t aac_btag0, aac_btag1; /* bus space tag */ 317 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 318 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 319 * DMA tag */ 320 struct resource *aac_irq; /* interrupt */ 321 int aac_irq_rid; 322 void *aac_intr; /* interrupt handle */ 323 eventhandler_tag eh; 324 325 /* controller features, limits and status */ 326 int aac_state; 327 #define AAC_STATE_SUSPEND (1<<0) 328 #define AAC_STATE_UNUSED0 (1<<1) 329 #define AAC_STATE_INTERRUPTS_ON (1<<2) 330 #define AAC_STATE_AIF_SLEEPER (1<<3) 331 struct FsaRevision aac_revision; 332 333 /* controller hardware interface */ 334 int aac_hwif; 335 #define AAC_HWIF_I960RX 0 336 #define AAC_HWIF_STRONGARM 1 337 #define AAC_HWIF_RKT 3 338 #define AAC_HWIF_NARK 4 339 #define AAC_HWIF_UNKNOWN -1 340 bus_dma_tag_t aac_common_dmat; /* common structure 341 * DMA tag */ 342 bus_dmamap_t aac_common_dmamap; /* common structure 343 * DMA map */ 344 struct aac_common *aac_common; 345 u_int32_t aac_common_busaddr; 346 struct aac_interface aac_if; 347 348 /* command/fib resources */ 349 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 350 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 351 u_int total_fibs; 352 struct aac_command *aac_commands; 353 354 /* command management */ 355 TAILQ_HEAD(,aac_command) aac_free; /* command structures 356 * available for reuse */ 357 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 358 * controller resources */ 359 TAILQ_HEAD(,aac_command) aac_busy; 360 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 361 struct bio_queue_head aac_bioq; 362 struct aac_queue_table *aac_queues; 363 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 364 365 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 366 367 /* connected containters */ 368 TAILQ_HEAD(,aac_container) aac_container_tqh; 369 struct lock aac_container_lock; 370 371 /* 372 * The general I/O lock. This protects the sync fib, the lists, the 373 * queues, and the registers. 374 */ 375 struct lock aac_io_lock; 376 377 /* delayed activity infrastructure */ 378 struct task aac_task_complete; /* deferred-completion 379 * task */ 380 struct intr_config_hook aac_ich; 381 382 struct sysctl_ctx_list aac_sysctl_ctx; 383 struct sysctl_oid *aac_sysctl_tree; 384 385 /* management interface */ 386 struct cdev *aac_dev_t; 387 struct lock aac_aifq_lock; 388 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; 389 int aifq_idx; 390 int aifq_filled; 391 struct aac_fib_context *fibctx; 392 struct kqinfo rcv_kq; 393 struct thread *aifthread; 394 int aifflags; 395 #define AAC_AIFFLAGS_RUNNING (1 << 0) 396 #define AAC_AIFFLAGS_UNUSED0 (1 << 1) 397 #define AAC_AIFFLAGS_EXIT (1 << 2) 398 #define AAC_AIFFLAGS_EXITED (1 << 3) 399 #define AAC_AIFFLAGS_UNUSED1 (1 << 4) 400 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 401 #define AAC_AIFFLAGS_PENDING AAC_AIFFLAGS_ALLOCFIBS 402 u_int32_t flags; 403 #define AAC_FLAGS_PERC2QC (1 << 0) 404 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 405 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 406 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 407 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 408 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 409 * 2GB-4GB range */ 410 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 411 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 412 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 413 #define AAC_FLAGS_SLAVE (1 << 9) 414 #define AAC_FLAGS_MASTER (1 << 10) 415 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 416 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 417 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 418 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 419 420 u_int32_t supported_options; 421 u_int32_t scsi_method_id; 422 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 423 424 struct callout aac_daemontime; /* clock daemon callout */ 425 426 u_int32_t aac_max_fibs; /* max. FIB count */ 427 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 428 u_int32_t aac_max_fib_size; /* max. FIB size */ 429 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 430 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 431 #define AAC_CAM_TARGET_WILDCARD ~0 432 void (*cam_rescan_cb)(struct aac_softc *, uint32_t, 433 uint32_t); 434 }; 435 436 /* 437 * Event callback mechanism for the driver 438 */ 439 #define AAC_EVENT_NONE 0x00 440 #define AAC_EVENT_CMFREE 0x01 441 #define AAC_EVENT_MASK 0xff 442 #define AAC_EVENT_REPEAT 0x100 443 444 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 445 void *arg); 446 struct aac_event { 447 TAILQ_ENTRY(aac_event) ev_links; 448 int ev_type; 449 aac_event_cb_t *ev_callback; 450 void *ev_arg; 451 }; 452 453 /* 454 * Public functions 455 */ 456 extern void aac_free(struct aac_softc *sc); 457 extern int aac_attach(struct aac_softc *sc); 458 extern int aac_detach(device_t dev); 459 extern int aac_shutdown(device_t dev); 460 extern int aac_suspend(device_t dev); 461 extern int aac_resume(device_t dev); 462 extern void aac_new_intr(void *arg); 463 extern void aac_filter(void *arg); 464 extern void aac_submit_bio(struct aac_disk *ad, struct bio *bio); 465 extern void aac_biodone(struct bio *bio, const char *code); 466 extern void aac_startio(struct aac_softc *sc); 467 extern int aac_alloc_command(struct aac_softc *sc, 468 struct aac_command **cmp); 469 extern void aac_release_command(struct aac_command *cm); 470 extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 471 u_int32_t xferstate, struct aac_fib *fib, 472 u_int16_t datasize); 473 extern void aac_add_event(struct aac_softc *sc, struct aac_event 474 *event); 475 476 #ifdef AAC_DEBUG 477 extern int aac_debug_enable; 478 # define fwprintf(sc, flags, fmt, args...) \ 479 do { \ 480 if (!aac_debug_enable) \ 481 break; \ 482 if (sc != NULL) \ 483 device_printf(((struct aac_softc *)sc)->aac_dev, \ 484 "%s: " fmt "\n", __func__, ##args); \ 485 else \ 486 kprintf("%s: " fmt "\n", __func__, ##args); \ 487 } while(0) 488 489 extern void aac_print_queues(struct aac_softc *sc); 490 extern void aac_panic(struct aac_softc *sc, char *reason); 491 extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 492 const char *caller); 493 extern void aac_print_aif(struct aac_softc *sc, 494 struct aac_aif_command *aif); 495 496 #define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) 497 498 #else 499 # define fwprintf(sc, flags, fmt, args...) 500 501 # define aac_print_queues(sc) 502 # define aac_panic(sc, reason) 503 504 # define AAC_PRINT_FIB(sc, fib) 505 # define aac_print_aif(sc, aac_aif_command) 506 #endif 507 508 struct aac_code_lookup { 509 char *string; 510 u_int32_t code; 511 }; 512 513 /* 514 * Queue primitives for driver queues. 515 */ 516 #define AACQ_ADD(sc, qname) \ 517 do { \ 518 struct aac_qstat *qs; \ 519 \ 520 qs = &(sc)->aac_qstat[qname]; \ 521 \ 522 qs->q_length++; \ 523 if (qs->q_length > qs->q_max) \ 524 qs->q_max = qs->q_length; \ 525 } while (0) 526 527 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 528 #define AACQ_INIT(sc, qname) \ 529 do { \ 530 sc->aac_qstat[qname].q_length = 0; \ 531 sc->aac_qstat[qname].q_max = 0; \ 532 } while (0) 533 534 535 #define AACQ_COMMAND_QUEUE(name, index) \ 536 static __inline void \ 537 aac_initq_ ## name (struct aac_softc *sc) \ 538 { \ 539 TAILQ_INIT(&sc->aac_ ## name); \ 540 AACQ_INIT(sc, index); \ 541 } \ 542 static __inline void \ 543 aac_enqueue_ ## name (struct aac_command *cm) \ 544 { \ 545 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 546 panic("aac: command %p is on another queue, flags = %#x", \ 547 cm, cm->cm_flags); \ 548 } \ 549 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 550 cm->cm_flags |= AAC_ON_ ## index; \ 551 AACQ_ADD(cm->cm_sc, index); \ 552 } \ 553 static __inline void \ 554 aac_requeue_ ## name (struct aac_command *cm) \ 555 { \ 556 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 557 panic("aac: command %p is on another queue, flags = %#x", \ 558 cm, cm->cm_flags); \ 559 } \ 560 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 561 cm->cm_flags |= AAC_ON_ ## index; \ 562 AACQ_ADD(cm->cm_sc, index); \ 563 } \ 564 static __inline struct aac_command * \ 565 aac_dequeue_ ## name (struct aac_softc *sc) \ 566 { \ 567 struct aac_command *cm; \ 568 \ 569 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 570 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 571 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ 572 cm, cm->cm_flags, AAC_ON_ ## index); \ 573 } \ 574 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 575 cm->cm_flags &= ~AAC_ON_ ## index; \ 576 AACQ_REMOVE(sc, index); \ 577 } \ 578 return(cm); \ 579 } \ 580 static __inline void \ 581 aac_remove_ ## name (struct aac_command *cm) \ 582 { \ 583 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 584 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ 585 cm, cm->cm_flags, AAC_ON_ ## index); \ 586 } \ 587 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 588 cm->cm_flags &= ~AAC_ON_ ## index; \ 589 AACQ_REMOVE(cm->cm_sc, index); \ 590 } \ 591 struct hack 592 593 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 594 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 595 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 596 597 /* 598 * outstanding bio queue 599 */ 600 static __inline void 601 aac_initq_bio(struct aac_softc *sc) 602 { 603 bioq_init(&sc->aac_bioq); 604 AACQ_INIT(sc, AACQ_BIO); 605 } 606 607 static __inline void 608 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio) 609 { 610 bioq_insert_tail(&sc->aac_bioq, bio); 611 AACQ_ADD(sc, AACQ_BIO); 612 } 613 614 static __inline struct bio * 615 aac_dequeue_bio(struct aac_softc *sc) 616 { 617 struct bio *bio; 618 619 if ((bio = bioq_first(&sc->aac_bioq)) != NULL) { 620 bioq_remove(&sc->aac_bioq, bio); 621 AACQ_REMOVE(sc, AACQ_BIO); 622 } 623 return(bio); 624 } 625 626 static __inline void 627 aac_print_printf(struct aac_softc *sc) 628 { 629 /* 630 * XXX We have the ability to read the length of the kprintf string 631 * from out of the mailboxes. 632 */ 633 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 634 sc->aac_common->ac_printf); 635 sc->aac_common->ac_printf[0] = 0; 636 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 637 } 638 639 static __inline int 640 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 641 { 642 643 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0); 644 *fib = &sc->aac_common->ac_sync_fib; 645 return (0); 646 } 647 648 static __inline void 649 aac_release_sync_fib(struct aac_softc *sc) 650 { 651 652 KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0); 653 } 654 655