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 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2000 Michael Smith 5 * Copyright (c) 2001 Scott Long 6 * Copyright (c) 2000 BSDi 7 * Copyright (c) 2001 Adaptec, Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 #include <sys/bio.h> 35 #include <sys/callout.h> 36 #include <sys/lock.h> 37 #include <sys/mutex.h> 38 #include <sys/selinfo.h> 39 #include <sys/sysctl.h> 40 #include <sys/taskqueue.h> 41 #include <geom/geom_disk.h> 42 43 SYSCTL_DECL(_hw_aac); 44 45 #define AAC_TYPE_DEVO 1 46 #define AAC_TYPE_ALPHA 2 47 #define AAC_TYPE_BETA 3 48 #define AAC_TYPE_RELEASE 4 49 50 #define AAC_DRIVER_MAJOR_VERSION 2 51 #define AAC_DRIVER_MINOR_VERSION 1 52 #define AAC_DRIVER_BUGFIX_LEVEL 9 53 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE 54 55 #ifndef AAC_DRIVER_BUILD 56 # define AAC_DRIVER_BUILD 1 57 #endif 58 59 /* 60 * Driver Parameter Definitions 61 */ 62 63 /* 64 * The firmware interface allows for a 16-bit s/g list length. We limit 65 * ourselves to a reasonable maximum and ensure alignment. 66 */ 67 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 68 69 /* 70 * We allocate a small set of FIBs for the adapter to use to send us messages. 71 */ 72 #define AAC_ADAPTER_FIBS 8 73 74 /* 75 * The controller reports status events in AIFs. We hang on to a number of 76 * these in order to pass them out to user-space management tools. 77 */ 78 #define AAC_AIFQ_LENGTH 64 79 80 /* 81 * Firmware messages are passed in the printf buffer. 82 */ 83 #define AAC_PRINTF_BUFSIZE 256 84 85 /* 86 * We wait this many seconds for the adapter to come ready if it is still 87 * booting 88 */ 89 #define AAC_BOOT_TIMEOUT (3 * 60) 90 91 /* 92 * Timeout for immediate commands. 93 */ 94 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 95 96 /* 97 * Timeout for normal commands 98 */ 99 #define AAC_CMD_TIMEOUT 120 /* seconds */ 100 101 /* 102 * Rate at which we periodically check for timed out commands and kick the 103 * controller. 104 */ 105 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 106 107 /* 108 * Per-container data structure 109 */ 110 struct aac_container 111 { 112 struct aac_mntobj co_mntobj; 113 device_t co_disk; 114 int co_found; 115 TAILQ_ENTRY(aac_container) co_link; 116 }; 117 118 /* 119 * Per-SIM data structure 120 */ 121 struct aac_cam; 122 struct aac_sim 123 { 124 device_t sim_dev; 125 int TargetsPerBus; 126 int BusNumber; 127 int InitiatorBusId; 128 struct aac_softc *aac_sc; 129 struct aac_cam *aac_cam; 130 TAILQ_ENTRY(aac_sim) sim_link; 131 }; 132 133 /* 134 * Per-disk structure 135 */ 136 struct aac_disk 137 { 138 device_t ad_dev; 139 struct aac_softc *ad_controller; 140 struct aac_container *ad_container; 141 struct disk *ad_disk; 142 int ad_flags; 143 #define AAC_DISK_OPEN (1<<0) 144 int ad_cylinders; 145 int ad_heads; 146 int ad_sectors; 147 u_int64_t ad_size; 148 int unit; 149 }; 150 151 /* 152 * Per-command control structure. 153 */ 154 struct aac_command 155 { 156 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 157 158 struct aac_softc *cm_sc; /* controller that owns us */ 159 160 struct aac_fib *cm_fib; /* FIB associated with this 161 * command */ 162 u_int64_t cm_fibphys; /* bus address of the FIB */ 163 void *cm_data; /* pointer to data in kernel 164 * space */ 165 u_int32_t cm_datalen; /* data length */ 166 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 167 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 168 * command */ 169 u_int cm_flags; 170 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 171 * mapped */ 172 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 173 * from controller to host */ 174 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 175 * from host to controller */ 176 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 177 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 178 #define AAC_ON_AACQ_FREE (1<<5) 179 #define AAC_ON_AACQ_READY (1<<6) 180 #define AAC_ON_AACQ_BUSY (1<<7) 181 #define AAC_ON_AACQ_AIF (1<<8) 182 #define AAC_ON_AACQ_NORM (1<<10) 183 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 184 #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of 185 * commands on the queue. */ 186 #define AAC_REQ_BIO (1 << 11) 187 #define AAC_REQ_CCB (1 << 12) 188 189 void (*cm_complete)(struct aac_command *cm); 190 void *cm_private; 191 time_t cm_timestamp; /* command creation time */ 192 int cm_queue; 193 int cm_index; 194 }; 195 196 struct aac_fibmap { 197 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 198 struct aac_fib *aac_fibs; 199 bus_dmamap_t aac_fibmap; 200 struct aac_command *aac_commands; 201 }; 202 203 /* 204 * We gather a number of adapter-visible items into a single structure. 205 * 206 * The ordering of this strucure may be important; we copy the Linux driver: 207 * 208 * Adapter FIBs 209 * Init struct 210 * Queue headers (Comm Area) 211 * Printf buffer 212 * 213 * In addition, we add: 214 * Sync Fib 215 */ 216 struct aac_common { 217 /* fibs for the controller to send us messages */ 218 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 219 220 /* the init structure */ 221 struct aac_adapter_init ac_init; 222 223 /* arena within which the queue structures are kept */ 224 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 225 AAC_QUEUE_ALIGN]; 226 227 /* buffer for text messages from the controller */ 228 char ac_printf[AAC_PRINTF_BUFSIZE]; 229 230 /* fib for synchronous commands */ 231 struct aac_fib ac_sync_fib; 232 }; 233 234 /* 235 * Interface operations 236 */ 237 struct aac_interface 238 { 239 int (*aif_get_fwstatus)(struct aac_softc *sc); 240 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 241 int (*aif_get_istatus)(struct aac_softc *sc); 242 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 243 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 244 u_int32_t arg0, u_int32_t arg1, 245 u_int32_t arg2, u_int32_t arg3); 246 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 247 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 248 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 249 int (*aif_get_outb_queue)(struct aac_softc *sc); 250 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 251 }; 252 extern const struct aac_interface aac_rx_interface; 253 extern const struct aac_interface aac_sa_interface; 254 extern const struct aac_interface aac_fa_interface; 255 extern const struct aac_interface aac_rkt_interface; 256 257 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if->aif_get_fwstatus((sc))) 258 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if->aif_qnotify((sc), (qbit))) 259 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if->aif_get_istatus((sc))) 260 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if->aif_clr_istatus((sc), \ 261 (mask))) 262 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 263 ((sc)->aac_if->aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 264 (arg3))) 265 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if->aif_get_mailbox((sc), \ 266 (mb))) 267 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if->aif_set_interrupts((sc), \ 268 0)) 269 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if->aif_set_interrupts((sc), \ 270 1)) 271 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if->aif_send_command((sc), (cm))) 272 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if->aif_get_outb_queue((sc))) 273 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if->aif_set_outb_queue((sc), (idx))) 274 275 #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ 276 sc->aac_bhandle0, reg, val) 277 #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ 278 sc->aac_bhandle0, reg) 279 #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ 280 sc->aac_bhandle0, reg, val) 281 #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ 282 sc->aac_bhandle0, reg) 283 #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ 284 sc->aac_bhandle0, reg, val) 285 #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ 286 sc->aac_bhandle0, reg) 287 288 #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ 289 sc->aac_bhandle1, reg, val) 290 #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ 291 sc->aac_bhandle1, reg) 292 #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ 293 sc->aac_bhandle1, reg, val) 294 #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ 295 sc->aac_bhandle1, reg) 296 #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ 297 sc->aac_bhandle1, reg, val) 298 #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ 299 sc->aac_bhandle1, reg) 300 301 /* fib context (IOCTL) */ 302 struct aac_fib_context { 303 u_int32_t unique; 304 int ctx_idx; 305 int ctx_wrap; 306 struct aac_fib_context *next, *prev; 307 }; 308 309 /* 310 * Per-controller structure. 311 */ 312 struct aac_softc 313 { 314 /* bus connections */ 315 device_t aac_dev; 316 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ 317 bus_space_handle_t aac_bhandle0, aac_bhandle1; /* bus space handle */ 318 bus_space_tag_t aac_btag0, aac_btag1; /* bus space tag */ 319 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 320 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 321 * DMA tag */ 322 struct resource *aac_irq; /* interrupt */ 323 void *aac_intr; /* interrupt handle */ 324 eventhandler_tag eh; 325 326 /* controller features, limits and status */ 327 int aac_state; 328 #define AAC_STATE_SUSPEND (1<<0) 329 #define AAC_STATE_UNUSED0 (1<<1) 330 #define AAC_STATE_INTERRUPTS_ON (1<<2) 331 #define AAC_STATE_AIF_SLEEPER (1<<3) 332 struct FsaRevision aac_revision; 333 334 /* controller hardware interface */ 335 int aac_hwif; 336 #define AAC_HWIF_I960RX 0 337 #define AAC_HWIF_STRONGARM 1 338 #define AAC_HWIF_RKT 3 339 #define AAC_HWIF_NARK 4 340 #define AAC_HWIF_UNKNOWN -1 341 bus_dma_tag_t aac_common_dmat; /* common structure 342 * DMA tag */ 343 bus_dmamap_t aac_common_dmamap; /* common structure 344 * DMA map */ 345 struct aac_common *aac_common; 346 u_int32_t aac_common_busaddr; 347 const struct aac_interface *aac_if; 348 349 /* command/fib resources */ 350 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 351 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 352 u_int total_fibs; 353 struct aac_command *aac_commands; 354 355 /* command management */ 356 TAILQ_HEAD(,aac_command) aac_free; /* command structures 357 * available for reuse */ 358 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 359 * controller resources */ 360 TAILQ_HEAD(,aac_command) aac_busy; 361 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 362 struct bio_queue_head aac_bioq; 363 struct aac_queue_table *aac_queues; 364 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 365 366 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 367 368 /* connected containters */ 369 TAILQ_HEAD(,aac_container) aac_container_tqh; 370 struct mtx aac_container_lock; 371 372 /* 373 * The general I/O lock. This protects the sync fib, the lists, the 374 * queues, and the registers. 375 */ 376 struct mtx aac_io_lock; 377 378 /* delayed activity infrastructure */ 379 struct task aac_task_complete; /* deferred-completion 380 * task */ 381 struct intr_config_hook aac_ich; 382 383 /* management interface */ 384 struct cdev *aac_dev_t; 385 struct mtx aac_aifq_lock; 386 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; 387 int aifq_idx; 388 int aifq_filled; 389 struct aac_fib_context *fibctx; 390 struct selinfo rcv_select; 391 struct proc *aifthread; 392 int aifflags; 393 #define AAC_AIFFLAGS_RUNNING (1 << 0) 394 #define AAC_AIFFLAGS_UNUSED0 (1 << 1) 395 #define AAC_AIFFLAGS_EXIT (1 << 2) 396 #define AAC_AIFFLAGS_EXITED (1 << 3) 397 #define AAC_AIFFLAGS_UNUSED1 (1 << 4) 398 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 399 #define AAC_AIFFLAGS_PENDING AAC_AIFFLAGS_ALLOCFIBS 400 u_int32_t flags; 401 #define AAC_FLAGS_PERC2QC (1 << 0) 402 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 403 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 404 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 405 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 406 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 407 * 2GB-4GB range */ 408 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 409 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 410 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 411 #define AAC_FLAGS_SLAVE (1 << 9) 412 #define AAC_FLAGS_MASTER (1 << 10) 413 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 414 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 415 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 416 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 417 #define AAC_FLAGS_NOMSI (1U << 31) /* Broken MSI */ 418 419 u_int32_t supported_options; 420 u_int32_t scsi_method_id; 421 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 422 423 struct callout aac_daemontime; /* clock daemon callout */ 424 425 u_int32_t aac_max_fibs; /* max. FIB count */ 426 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 427 u_int32_t aac_max_fib_size; /* max. FIB size */ 428 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 429 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 430 #define AAC_CAM_TARGET_WILDCARD ~0 431 void (*cam_rescan_cb)(struct aac_softc *, uint32_t, 432 uint32_t); 433 }; 434 435 /* 436 * Event callback mechanism for the driver 437 */ 438 #define AAC_EVENT_NONE 0x00 439 #define AAC_EVENT_CMFREE 0x01 440 #define AAC_EVENT_MASK 0xff 441 #define AAC_EVENT_REPEAT 0x100 442 443 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 444 void *arg); 445 struct aac_event { 446 TAILQ_ENTRY(aac_event) ev_links; 447 int ev_type; 448 aac_event_cb_t *ev_callback; 449 void *ev_arg; 450 }; 451 452 /* 453 * Public functions 454 */ 455 extern void aac_free(struct aac_softc *sc); 456 extern int aac_attach(struct aac_softc *sc); 457 extern int aac_detach(device_t dev); 458 extern int aac_shutdown(device_t dev); 459 extern int aac_suspend(device_t dev); 460 extern int aac_resume(device_t dev); 461 extern void aac_new_intr(void *arg); 462 extern int aac_filter(void *arg); 463 extern void aac_submit_bio(struct bio *bp); 464 extern void aac_biodone(struct bio *bp); 465 extern void aac_startio(struct aac_softc *sc); 466 extern int aac_alloc_command(struct aac_softc *sc, 467 struct aac_command **cmp); 468 extern void aac_release_command(struct aac_command *cm); 469 extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 470 u_int32_t xferstate, struct aac_fib *fib, 471 u_int16_t datasize); 472 extern void aac_add_event(struct aac_softc *sc, struct aac_event 473 *event); 474 475 #ifdef AAC_DEBUG 476 extern int aac_debug_enable; 477 # define fwprintf(sc, flags, fmt, args...) \ 478 do { \ 479 if (!aac_debug_enable) \ 480 break; \ 481 if (sc != NULL) \ 482 device_printf(((struct aac_softc *)sc)->aac_dev, \ 483 "%s: " fmt "\n", __func__, ##args); \ 484 else \ 485 printf("%s: " fmt "\n", __func__, ##args); \ 486 } while(0) 487 488 extern void aac_print_queues(struct aac_softc *sc); 489 extern void aac_panic(struct aac_softc *sc, char *reason); 490 extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 491 const char *caller); 492 extern void aac_print_aif(struct aac_softc *sc, 493 struct aac_aif_command *aif); 494 495 #define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) 496 497 #else 498 # define fwprintf(sc, flags, fmt, args...) 499 500 # define aac_print_queues(sc) 501 # define aac_panic(sc, reason) 502 503 # define AAC_PRINT_FIB(sc, fib) 504 # define aac_print_aif(sc, aac_aif_command) 505 #endif 506 507 struct aac_code_lookup { 508 const char *string; 509 u_int32_t code; 510 }; 511 512 /* 513 * Queue primitives for driver queues. 514 */ 515 #define AACQ_ADD(sc, qname) \ 516 do { \ 517 struct aac_qstat *qs; \ 518 \ 519 qs = &(sc)->aac_qstat[qname]; \ 520 \ 521 qs->q_length++; \ 522 if (qs->q_length > qs->q_max) \ 523 qs->q_max = qs->q_length; \ 524 } while (0) 525 526 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 527 #define AACQ_INIT(sc, qname) \ 528 do { \ 529 sc->aac_qstat[qname].q_length = 0; \ 530 sc->aac_qstat[qname].q_max = 0; \ 531 } while (0) 532 533 #define AACQ_COMMAND_QUEUE(name, index) \ 534 static __inline void \ 535 aac_initq_ ## name (struct aac_softc *sc) \ 536 { \ 537 TAILQ_INIT(&sc->aac_ ## name); \ 538 AACQ_INIT(sc, index); \ 539 } \ 540 static __inline void \ 541 aac_enqueue_ ## name (struct aac_command *cm) \ 542 { \ 543 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 544 panic("aac: command %p is on another queue, flags = %#x", \ 545 cm, cm->cm_flags); \ 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 panic("aac: command %p is on another queue, flags = %#x", \ 556 cm, cm->cm_flags); \ 557 } \ 558 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 559 cm->cm_flags |= AAC_ON_ ## index; \ 560 AACQ_ADD(cm->cm_sc, index); \ 561 } \ 562 static __inline struct aac_command * \ 563 aac_dequeue_ ## name (struct aac_softc *sc) \ 564 { \ 565 struct aac_command *cm; \ 566 \ 567 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 568 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 569 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ 570 cm, cm->cm_flags, AAC_ON_ ## index); \ 571 } \ 572 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 573 cm->cm_flags &= ~AAC_ON_ ## index; \ 574 AACQ_REMOVE(sc, index); \ 575 } \ 576 return(cm); \ 577 } \ 578 static __inline void \ 579 aac_remove_ ## name (struct aac_command *cm) \ 580 { \ 581 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 582 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ 583 cm, cm->cm_flags, AAC_ON_ ## index); \ 584 } \ 585 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 586 cm->cm_flags &= ~AAC_ON_ ## index; \ 587 AACQ_REMOVE(cm->cm_sc, index); \ 588 } \ 589 590 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 591 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 592 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 593 594 /* 595 * outstanding bio queue 596 */ 597 static __inline void 598 aac_initq_bio(struct aac_softc *sc) 599 { 600 bioq_init(&sc->aac_bioq); 601 AACQ_INIT(sc, AACQ_BIO); 602 } 603 604 static __inline void 605 aac_enqueue_bio(struct aac_softc *sc, struct bio *bp) 606 { 607 bioq_insert_tail(&sc->aac_bioq, bp); 608 AACQ_ADD(sc, AACQ_BIO); 609 } 610 611 static __inline struct bio * 612 aac_dequeue_bio(struct aac_softc *sc) 613 { 614 struct bio *bp; 615 616 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) { 617 bioq_remove(&sc->aac_bioq, bp); 618 AACQ_REMOVE(sc, AACQ_BIO); 619 } 620 return(bp); 621 } 622 623 static __inline void 624 aac_print_printf(struct aac_softc *sc) 625 { 626 /* 627 * XXX We have the ability to read the length of the printf string 628 * from out of the mailboxes. 629 */ 630 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 631 sc->aac_common->ac_printf); 632 sc->aac_common->ac_printf[0] = 0; 633 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 634 } 635 636 static __inline int 637 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 638 { 639 640 mtx_assert(&sc->aac_io_lock, MA_OWNED); 641 *fib = &sc->aac_common->ac_sync_fib; 642 return (0); 643 } 644 645 static __inline void 646 aac_release_sync_fib(struct aac_softc *sc) 647 { 648 649 mtx_assert(&sc->aac_io_lock, MA_OWNED); 650 }
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