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/selinfo.h> 37#include <sys/sysctl.h> 38#include <sys/taskqueue.h> 39#include <geom/geom_disk.h> 40 41SYSCTL_DECL(_hw_aac); 42 43#define AAC_TYPE_DEVO 1 44#define AAC_TYPE_ALPHA 2 45#define AAC_TYPE_BETA 3 46#define AAC_TYPE_RELEASE 4 47 48#define AAC_DRIVER_MAJOR_VERSION 2 49#define AAC_DRIVER_MINOR_VERSION 1 50#define AAC_DRIVER_BUGFIX_LEVEL 9 51#define AAC_DRIVER_TYPE AAC_TYPE_RELEASE 52 53#ifndef AAC_DRIVER_BUILD 54# define AAC_DRIVER_BUILD 1 55#endif 56 57/* 58 * Driver Parameter Definitions 59 */ 60 61/* 62 * The firmware interface allows for a 16-bit s/g list length. We limit 63 * ourselves to a reasonable maximum and ensure alignment. 64 */ 65#define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 66 67/* 68 * We allocate a small set of FIBs for the adapter to use to send us messages. 69 */ 70#define AAC_ADAPTER_FIBS 8 71 72/* 73 * The controller reports status events in AIFs. We hang on to a number of 74 * these in order to pass them out to user-space management tools. 75 */ 76#define AAC_AIFQ_LENGTH 64 77 78/* 79 * Firmware messages are passed in the printf buffer. 80 */ 81#define AAC_PRINTF_BUFSIZE 256 82 83/* 84 * We wait this many seconds for the adapter to come ready if it is still 85 * booting 86 */ 87#define AAC_BOOT_TIMEOUT (3 * 60) 88 89/* 90 * Timeout for immediate commands. 91 */ 92#define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 93 94/* 95 * Timeout for normal commands 96 */ 97#define AAC_CMD_TIMEOUT 120 /* seconds */ 98 99/* 100 * Rate at which we periodically check for timed out commands and kick the 101 * controller. 102 */ 103#define AAC_PERIODIC_INTERVAL 20 /* seconds */ 104 105/* 106 * Per-container data structure 107 */ 108struct aac_container 109{ 110 struct aac_mntobj co_mntobj; 111 device_t co_disk; 112 int co_found; 113 TAILQ_ENTRY(aac_container) co_link; 114}; 115 116/* 117 * Per-SIM data structure 118 */ 119struct aac_cam; 120struct aac_sim 121{ 122 device_t sim_dev; 123 int TargetsPerBus; 124 int BusNumber; 125 int InitiatorBusId; 126 struct aac_softc *aac_sc; 127 struct aac_cam *aac_cam; 128 TAILQ_ENTRY(aac_sim) sim_link; 129}; 130 131/* 132 * Per-disk structure 133 */ 134struct aac_disk 135{ 136 device_t ad_dev; 137 struct aac_softc *ad_controller; 138 struct aac_container *ad_container; 139 struct disk *ad_disk; 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 */ 152struct 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 void *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 u_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#define AAC_REQ_BIO (1 << 11) 185#define AAC_REQ_CCB (1 << 12) 186 187 void (*cm_complete)(struct aac_command *cm); 188 void *cm_private; 189 time_t cm_timestamp; /* command creation time */ 190 int cm_queue; 191 int cm_index; 192}; 193 194struct aac_fibmap { 195 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 196 struct aac_fib *aac_fibs; 197 bus_dmamap_t aac_fibmap; 198 struct aac_command *aac_commands; 199}; 200 201/* 202 * We gather a number of adapter-visible items into a single structure. 203 * 204 * The ordering of this strucure may be important; we copy the Linux driver: 205 * 206 * Adapter FIBs 207 * Init struct 208 * Queue headers (Comm Area) 209 * Printf buffer 210 * 211 * In addition, we add: 212 * Sync Fib 213 */ 214struct aac_common { 215 /* fibs for the controller to send us messages */ 216 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 217 218 /* the init structure */ 219 struct aac_adapter_init ac_init; 220 221 /* arena within which the queue structures are kept */ 222 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 223 AAC_QUEUE_ALIGN]; 224 225 /* buffer for text messages from the controller */ 226 char ac_printf[AAC_PRINTF_BUFSIZE]; 227 228 /* fib for synchronous commands */ 229 struct aac_fib ac_sync_fib; 230}; 231 232/* 233 * Interface operations 234 */ 235struct aac_interface 236{ 237 int (*aif_get_fwstatus)(struct aac_softc *sc); 238 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 239 int (*aif_get_istatus)(struct aac_softc *sc); 240 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 241 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 242 u_int32_t arg0, u_int32_t arg1, 243 u_int32_t arg2, u_int32_t arg3); 244 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 245 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 246 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 247 int (*aif_get_outb_queue)(struct aac_softc *sc); 248 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 249}; 250extern const struct aac_interface aac_rx_interface; 251extern const struct aac_interface aac_sa_interface; 252extern const struct aac_interface aac_fa_interface; 253extern const struct aac_interface aac_rkt_interface; 254 255#define AAC_GET_FWSTATUS(sc) ((sc)->aac_if->aif_get_fwstatus((sc))) 256#define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if->aif_qnotify((sc), (qbit))) 257#define AAC_GET_ISTATUS(sc) ((sc)->aac_if->aif_get_istatus((sc))) 258#define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if->aif_clr_istatus((sc), \ 259 (mask))) 260#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 261 ((sc)->aac_if->aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 262 (arg3))) 263#define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if->aif_get_mailbox((sc), \ 264 (mb))) 265#define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if->aif_set_interrupts((sc), \ 266 0)) 267#define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if->aif_set_interrupts((sc), \ 268 1)) 269#define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if->aif_send_command((sc), (cm))) 270#define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if->aif_get_outb_queue((sc))) 271#define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if->aif_set_outb_queue((sc), (idx))) 272 273#define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ 274 sc->aac_bhandle0, reg, val) 275#define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ 276 sc->aac_bhandle0, reg) 277#define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ 278 sc->aac_bhandle0, reg, val) 279#define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ 280 sc->aac_bhandle0, reg) 281#define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ 282 sc->aac_bhandle0, reg, val) 283#define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ 284 sc->aac_bhandle0, reg) 285 286#define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ 287 sc->aac_bhandle1, reg, val) 288#define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ 289 sc->aac_bhandle1, reg) 290#define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ 291 sc->aac_bhandle1, reg, val) 292#define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ 293 sc->aac_bhandle1, reg) 294#define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ 295 sc->aac_bhandle1, reg, val) 296#define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ 297 sc->aac_bhandle1, reg) 298 299/* fib context (IOCTL) */ 300struct aac_fib_context { 301 u_int32_t unique; 302 int ctx_idx; 303 int ctx_wrap; 304 struct aac_fib_context *next, *prev; 305}; 306 307/* 308 * Per-controller structure. 309 */ 310struct aac_softc 311{ 312 /* bus connections */ 313 device_t aac_dev; 314 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ 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 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 const 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 mtx 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 mtx 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 mtx 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 selinfo rcv_select; 389 struct proc *aifthread; 390 int aifflags; 391#define AAC_AIFFLAGS_RUNNING (1 << 0) 392#define AAC_AIFFLAGS_UNUSED0 (1 << 1) 393#define AAC_AIFFLAGS_EXIT (1 << 2) 394#define AAC_AIFFLAGS_EXITED (1 << 3) 395#define AAC_AIFFLAGS_UNUSED1 (1 << 4) 396#define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 397#define AAC_AIFFLAGS_PENDING AAC_AIFFLAGS_ALLOCFIBS 398 u_int32_t flags; 399#define AAC_FLAGS_PERC2QC (1 << 0) 400#define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 401#define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 402#define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 403#define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 404#define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 405 * 2GB-4GB range */ 406#define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 407#define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 408#define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 409#define AAC_FLAGS_SLAVE (1 << 9) 410#define AAC_FLAGS_MASTER (1 << 10) 411#define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 412#define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 413#define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 414#define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 415#define AAC_FLAGS_NOMSI (1U << 31) /* Broken MSI */ 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 441typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 442 void *arg); 443struct 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 */ 453extern void aac_free(struct aac_softc *sc); 454extern int aac_attach(struct aac_softc *sc); 455extern int aac_detach(device_t dev); 456extern int aac_shutdown(device_t dev); 457extern int aac_suspend(device_t dev); 458extern int aac_resume(device_t dev); 459extern void aac_new_intr(void *arg); 460extern int aac_filter(void *arg); 461extern void aac_submit_bio(struct bio *bp); 462extern void aac_biodone(struct bio *bp); 463extern void aac_startio(struct aac_softc *sc); 464extern int aac_alloc_command(struct aac_softc *sc, 465 struct aac_command **cmp); 466extern void aac_release_command(struct aac_command *cm); 467extern 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); 470extern void aac_add_event(struct aac_softc *sc, struct aac_event 471 *event); 472 473#ifdef AAC_DEBUG 474extern int aac_debug_enable; 475# define fwprintf(sc, flags, fmt, args...) \ 476do { \ 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 printf("%s: " fmt "\n", __func__, ##args); \ 484} while(0) 485 486extern void aac_print_queues(struct aac_softc *sc); 487extern void aac_panic(struct aac_softc *sc, char *reason); 488extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 489 const char *caller); 490extern 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 505struct aac_code_lookup { 506 const 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#define AACQ_COMMAND_QUEUE(name, index) \ 532static __inline void \ 533aac_initq_ ## name (struct aac_softc *sc) \ 534{ \ 535 TAILQ_INIT(&sc->aac_ ## name); \ 536 AACQ_INIT(sc, index); \ 537} \ 538static __inline void \ 539aac_enqueue_ ## name (struct aac_command *cm) \ 540{ \ 541 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 542 panic("aac: command %p is on another queue, flags = %#x", \ 543 cm, cm->cm_flags); \ 544 } \ 545 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 546 cm->cm_flags |= AAC_ON_ ## index; \ 547 AACQ_ADD(cm->cm_sc, index); \ 548} \ 549static __inline void \ 550aac_requeue_ ## name (struct aac_command *cm) \ 551{ \ 552 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 553 panic("aac: command %p is on another queue, flags = %#x", \ 554 cm, cm->cm_flags); \ 555 } \ 556 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 557 cm->cm_flags |= AAC_ON_ ## index; \ 558 AACQ_ADD(cm->cm_sc, index); \ 559} \ 560static __inline struct aac_command * \ 561aac_dequeue_ ## name (struct aac_softc *sc) \ 562{ \ 563 struct aac_command *cm; \ 564 \ 565 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 566 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 567 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ 568 cm, cm->cm_flags, AAC_ON_ ## index); \ 569 } \ 570 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 571 cm->cm_flags &= ~AAC_ON_ ## index; \ 572 AACQ_REMOVE(sc, index); \ 573 } \ 574 return(cm); \ 575} \ 576static __inline void \ 577aac_remove_ ## name (struct aac_command *cm) \ 578{ \ 579 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 580 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ 581 cm, cm->cm_flags, AAC_ON_ ## index); \ 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 588AACQ_COMMAND_QUEUE(free, AACQ_FREE); 589AACQ_COMMAND_QUEUE(ready, AACQ_READY); 590AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 591 592/* 593 * outstanding bio queue 594 */ 595static __inline void 596aac_initq_bio(struct aac_softc *sc) 597{ 598 bioq_init(&sc->aac_bioq); 599 AACQ_INIT(sc, AACQ_BIO); 600} 601 602static __inline void 603aac_enqueue_bio(struct aac_softc *sc, struct bio *bp) 604{ 605 bioq_insert_tail(&sc->aac_bioq, bp); 606 AACQ_ADD(sc, AACQ_BIO); 607} 608 609static __inline struct bio * 610aac_dequeue_bio(struct aac_softc *sc) 611{ 612 struct bio *bp; 613 614 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) { 615 bioq_remove(&sc->aac_bioq, bp); 616 AACQ_REMOVE(sc, AACQ_BIO); 617 } 618 return(bp); 619} 620 621static __inline void 622aac_print_printf(struct aac_softc *sc) 623{ 624 /* 625 * XXX We have the ability to read the length of the printf string 626 * from out of the mailboxes. 627 */ 628 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 629 sc->aac_common->ac_printf); 630 sc->aac_common->ac_printf[0] = 0; 631 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 632} 633 634static __inline int 635aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 636{ 637 638 mtx_assert(&sc->aac_io_lock, MA_OWNED); 639 *fib = &sc->aac_common->ac_sync_fib; 640 return (0); 641} 642 643static __inline void 644aac_release_sync_fib(struct aac_softc *sc) 645{ 646 647 mtx_assert(&sc->aac_io_lock, MA_OWNED); 648} 649