1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2001 Scott Long 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001-2010 Adaptec, Inc. 6 * Copyright (c) 2010-2012 PMC-Sierra, Inc. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <sys/bio.h> 34 #if __FreeBSD_version >= 800000 35 #include <sys/callout.h> 36 #endif 37 #include <sys/lock.h> 38 #include <sys/mutex.h> 39 #include <sys/taskqueue.h> 40 #include <sys/selinfo.h> 41 #include <geom/geom_disk.h> 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 3 49 #define AAC_DRIVER_MINOR_VERSION 2 50 #define AAC_DRIVER_BUGFIX_LEVEL 5 51 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE 52 53 #ifndef AAC_DRIVER_BUILD 54 # define AAC_DRIVER_BUILD 1 55 #endif 56 57 #if __FreeBSD_version <= 601000 58 #define bus_get_dma_tag(x) NULL 59 #endif 60 61 /* **************************** NewBUS interrupt Crock ************************/ 62 #if __FreeBSD_version < 700031 63 #define aac_bus_setup_intr(d, i, f, U, if, ifa, hp) \ 64 bus_setup_intr(d, i, f, if, ifa, hp) 65 #else 66 #define aac_bus_setup_intr bus_setup_intr 67 #endif 68 69 /* **************************** NewBUS CAM Support ****************************/ 70 #if __FreeBSD_version < 700049 71 #define aac_xpt_bus_register(sim, parent, bus) \ 72 xpt_bus_register(sim, bus) 73 #else 74 #define aac_xpt_bus_register xpt_bus_register 75 #endif 76 77 /**************************** Kernel Thread Support ***************************/ 78 #if __FreeBSD_version > 800001 79 #define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 80 kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 81 #define aac_kthread_exit(status) \ 82 kproc_exit(status) 83 #else 84 #define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 85 kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 86 #define aac_kthread_exit(status) \ 87 kthread_exit(status) 88 #endif 89 90 /* 91 * Driver Parameter Definitions 92 */ 93 94 /* 95 * We allocate a small set of FIBs for the adapter to use to send us messages. 96 */ 97 #define AAC_ADAPTER_FIBS 8 98 99 /* 100 * The controller reports status events in AIFs. We hang on to a number of 101 * these in order to pass them out to user-space management tools. 102 */ 103 #define AAC_AIFQ_LENGTH 64 104 105 /* 106 * Firmware messages are passed in the printf buffer. 107 */ 108 #define AAC_PRINTF_BUFSIZE 256 109 110 /* 111 * We wait this many seconds for the adapter to come ready if it is still 112 * booting 113 */ 114 #define AAC_BOOT_TIMEOUT (3 * 60) 115 116 /* 117 * We wait this many seconds for the adapter to come ready 118 * after flash update 119 */ 120 #define AAC_FWUPD_TIMEOUT (5 * 60) 121 122 /* 123 * Timeout for sync. commands. 124 */ 125 #define AAC_SYNC_TIMEOUT 180 /* seconds */ 126 127 /* 128 * Timeout for normal commands 129 */ 130 #define AAC_CMD_TIMEOUT 180 /* seconds */ 131 132 /* 133 * Rate at which we periodically check for timed out commands and kick the 134 * controller. 135 */ 136 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 137 138 #define PASSTHROUGH_BUS 0 139 #define CONTAINER_BUS 1 140 /* 141 * Per-container data structure 142 */ 143 struct aac_container 144 { 145 struct aac_mntobj co_mntobj; 146 int co_found; 147 u_int32_t co_uid; 148 TAILQ_ENTRY(aac_container) co_link; 149 }; 150 151 /* 152 * Per-SIM data structure 153 */ 154 struct aac_cam; 155 struct aac_sim 156 { 157 device_t sim_dev; 158 int TargetsPerBus; 159 int BusNumber; 160 int BusType; 161 int InitiatorBusId; 162 struct aac_softc *aac_sc; 163 struct aac_cam *aac_cam; 164 TAILQ_ENTRY(aac_sim) sim_link; 165 }; 166 167 /* 168 * Per-disk structure 169 */ 170 struct aac_disk 171 { 172 device_t ad_dev; 173 struct aac_softc *ad_controller; 174 struct aac_container *ad_container; 175 struct disk *ad_disk; 176 int ad_flags; 177 #define AAC_DISK_OPEN (1<<0) 178 int ad_cylinders; 179 int ad_heads; 180 int ad_sectors; 181 u_int64_t ad_size; 182 int unit; 183 }; 184 185 /* 186 * Per-command control structure. 187 */ 188 struct aac_command 189 { 190 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 191 192 struct aac_softc *cm_sc; /* controller that owns us */ 193 194 struct aac_fib *cm_fib; /* FIB associated with this 195 * command */ 196 u_int64_t cm_fibphys; /* bus address of the FIB */ 197 struct bio *cm_data; /* pointer to data in kernel 198 * space */ 199 u_int32_t cm_datalen; /* data length */ 200 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 201 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 202 * command */ 203 int cm_flags; 204 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 205 * mapped */ 206 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 207 * from controller to host */ 208 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 209 * from host to controller */ 210 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 211 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 212 #define AAC_ON_AACQ_FREE (1<<5) 213 #define AAC_ON_AACQ_READY (1<<6) 214 #define AAC_ON_AACQ_BUSY (1<<7) 215 #define AAC_ON_AACQ_AIF (1<<8) 216 #define AAC_ON_AACQ_NORM (1<<10) 217 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 218 #define AAC_CMD_RESET (1<<9) 219 #define AAC_CMD_FASTRESP (1<<11) 220 #define AAC_CMD_WAIT (1<<12) 221 222 void (* cm_complete)(struct aac_command *cm); 223 union ccb *cm_ccb; 224 time_t cm_timestamp; /* command creation time */ 225 int cm_index; 226 bus_dma_tag_t cm_passthr_dmat; /* passthrough buffer/command 227 * DMA tag */ 228 }; 229 230 struct aac_fibmap { 231 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 232 struct aac_fib *aac_fibs; 233 bus_dmamap_t aac_fibmap; 234 struct aac_command *aac_commands; 235 }; 236 237 /* 238 * We gather a number of adapter-visible items into a single structure. 239 * 240 * The ordering of this strucure may be important; we copy the Linux driver: 241 * 242 * Adapter FIBs 243 * Init struct 244 * Queue headers (Comm Area) 245 * Printf buffer 246 * 247 * In addition, we add: 248 * Sync Fib 249 */ 250 struct aac_common { 251 /* fibs for the controller to send us messages */ 252 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 253 254 /* the init structure */ 255 struct aac_adapter_init ac_init; 256 257 /* buffer for text messages from the controller */ 258 char ac_printf[AAC_PRINTF_BUFSIZE]; 259 260 /* fib for synchronous commands */ 261 struct aac_fib ac_sync_fib; 262 263 /* response buffer for SRC (new comm. type1) - must be last element */ 264 u_int32_t ac_host_rrq[0]; 265 }; 266 267 /* 268 * Interface operations 269 */ 270 struct aac_interface 271 { 272 int (*aif_get_fwstatus)(struct aac_softc *sc); 273 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 274 int (*aif_get_istatus)(struct aac_softc *sc); 275 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 276 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 277 u_int32_t arg0, u_int32_t arg1, 278 u_int32_t arg2, u_int32_t arg3); 279 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 280 void (*aif_access_devreg)(struct aac_softc *sc, int enable); 281 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 282 int (*aif_get_outb_queue)(struct aac_softc *sc); 283 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 284 }; 285 extern struct aac_interface aacraid_src_interface; 286 extern struct aac_interface aacraid_srcv_interface; 287 288 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 289 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 290 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 291 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 292 (mask))) 293 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 294 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 295 (arg3))) 296 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 297 (mb))) 298 #define AAC_ACCESS_DEVREG(sc, mode) ((sc)->aac_if.aif_access_devreg((sc), \ 299 mode)) 300 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm))) 301 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc))) 302 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx))) 303 304 #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ 305 sc->aac_bhandle0, reg, val) 306 #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ 307 sc->aac_bhandle0, reg) 308 #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ 309 sc->aac_bhandle0, reg, val) 310 #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ 311 sc->aac_bhandle0, reg) 312 #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ 313 sc->aac_bhandle0, reg, val) 314 #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ 315 sc->aac_bhandle0, reg) 316 317 #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ 318 sc->aac_bhandle1, reg, val) 319 #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ 320 sc->aac_bhandle1, reg) 321 #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ 322 sc->aac_bhandle1, reg, val) 323 #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ 324 sc->aac_bhandle1, reg) 325 #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ 326 sc->aac_bhandle1, reg, val) 327 #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ 328 sc->aac_bhandle1, reg) 329 330 /* fib context (IOCTL) */ 331 struct aac_fib_context { 332 u_int32_t unique; 333 int ctx_idx; 334 int ctx_wrap; 335 struct aac_fib_context *next, *prev; 336 }; 337 338 /* MSIX context */ 339 struct aac_msix_ctx { 340 int vector_no; 341 struct aac_softc *sc; 342 }; 343 344 /* 345 * Per-controller structure. 346 */ 347 struct aac_softc 348 { 349 /* bus connections */ 350 device_t aac_dev; 351 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ 352 int aac_regs_rid0, aac_regs_rid1; /* resource ID */ 353 bus_space_handle_t aac_bhandle0, aac_bhandle1; /* bus space handle */ 354 bus_space_tag_t aac_btag0, aac_btag1; /* bus space tag */ 355 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 356 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 357 * DMA tag */ 358 struct resource *aac_irq[AAC_MAX_MSIX]; /* interrupt */ 359 int aac_irq_rid[AAC_MAX_MSIX]; 360 void *aac_intr[AAC_MAX_MSIX]; /* interrupt handle */ 361 struct aac_msix_ctx aac_msix[AAC_MAX_MSIX]; /* context */ 362 eventhandler_tag eh; 363 #if __FreeBSD_version >= 800000 364 struct callout aac_daemontime; /* clock daemon callout */ 365 #else 366 struct callout_handle timeout_id; /* timeout handle */ 367 #endif 368 369 /* controller features, limits and status */ 370 int aac_state; 371 #define AAC_STATE_SUSPEND (1<<0) 372 #define AAC_STATE_UNUSED0 (1<<1) 373 #define AAC_STATE_INTERRUPTS_ON (1<<2) 374 #define AAC_STATE_AIF_SLEEPER (1<<3) 375 #define AAC_STATE_RESET (1<<4) 376 struct FsaRevision aac_revision; 377 378 /* controller hardware interface */ 379 int aac_hwif; 380 #define AAC_HWIF_SRC 5 381 #define AAC_HWIF_SRCV 6 382 #define AAC_HWIF_UNKNOWN -1 383 bus_dma_tag_t aac_common_dmat; /* common structure 384 * DMA tag */ 385 bus_dmamap_t aac_common_dmamap; /* common structure 386 * DMA map */ 387 struct aac_common *aac_common; 388 u_int32_t aac_common_busaddr; 389 u_int32_t aac_host_rrq_idx[AAC_MAX_MSIX]; 390 u_int32_t aac_rrq_outstanding[AAC_MAX_MSIX]; 391 u_int32_t aac_fibs_pushed_no; 392 struct aac_interface aac_if; 393 394 /* command/fib resources */ 395 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 396 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 397 u_int total_fibs; 398 struct aac_command *aac_commands; 399 400 /* command management */ 401 TAILQ_HEAD(,aac_command) aac_free; /* command structures 402 * available for reuse */ 403 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 404 * controller resources */ 405 TAILQ_HEAD(,aac_command) aac_busy; 406 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 407 struct bio_queue_head aac_bioq; 408 409 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 410 411 /* connected containters */ 412 TAILQ_HEAD(,aac_container) aac_container_tqh; 413 struct mtx aac_container_lock; 414 415 /* 416 * The general I/O lock. This protects the sync fib, the lists, the 417 * queues, and the registers. 418 */ 419 struct mtx aac_io_lock; 420 421 struct intr_config_hook aac_ich; 422 423 /* sync. transfer mode */ 424 struct aac_command *aac_sync_cm; 425 426 /* management interface */ 427 struct cdev *aac_dev_t; 428 struct mtx aac_aifq_lock; 429 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; 430 int aifq_idx; 431 int aifq_filled; 432 int aif_pending; 433 struct aac_fib_context *fibctx; 434 struct selinfo rcv_select; 435 struct proc *aifthread; 436 int aifflags; 437 #define AAC_AIFFLAGS_RUNNING (1 << 0) 438 #define AAC_AIFFLAGS_AIF (1 << 1) 439 #define AAC_AIFFLAGS_EXIT (1 << 2) 440 #define AAC_AIFFLAGS_EXITED (1 << 3) 441 #define AAC_AIFFLAGS_PRINTF (1 << 4) 442 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 443 #define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \ 444 AAC_AIFFLAGS_ALLOCFIBS) 445 u_int32_t flags; 446 #define AAC_FLAGS_PERC2QC (1 << 0) 447 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 448 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 449 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 450 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 451 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 452 * 2GB-4GB range */ 453 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 454 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 455 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 456 #define AAC_FLAGS_SLAVE (1 << 9) 457 #define AAC_FLAGS_MASTER (1 << 10) 458 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 459 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 460 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 461 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 462 #define AAC_QUEUE_FRZN (1 << 15) /* Freeze the processing of 463 * commands on the queue. */ 464 #define AAC_FLAGS_NEW_COMM_TYPE1 (1 << 16) /* New comm. type1 supported */ 465 #define AAC_FLAGS_NEW_COMM_TYPE2 (1 << 17) /* New comm. type2 supported */ 466 #define AAC_FLAGS_NEW_COMM_TYPE34 (1 << 18) /* New comm. type3/4 */ 467 #define AAC_FLAGS_SYNC_MODE (1 << 18) /* Sync. transfer mode */ 468 u_int32_t hint_flags; /* driver parameters */ 469 int sim_freezed; /* flag for sim_freeze/release */ 470 u_int32_t supported_options; 471 u_int32_t scsi_method_id; 472 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 473 474 u_int32_t aac_max_fibs; /* max. FIB count */ 475 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 476 u_int32_t aac_max_fib_size; /* max. FIB size */ 477 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 478 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 479 u_int32_t aac_feature_bits; /* feature bits from suppl. info */ 480 u_int32_t aac_support_opt2; /* supp. options from suppl. info */ 481 u_int32_t aac_max_aif; /* max. AIF count */ 482 u_int32_t aac_max_msix; /* max. MSI-X vectors */ 483 u_int32_t aac_vector_cap; /* MSI-X vector capab.*/ 484 int msi_enabled; /* MSI/MSI-X enabled */ 485 #define AAC_CAM_TARGET_WILDCARD ~0 486 void (*cam_rescan_cb)(struct aac_softc *, uint32_t, 487 uint32_t); 488 u_int32_t DebugFlags; /* Debug print flags bitmap */ 489 u_int32_t DebugOffset; /* Offset from DPMEM start */ 490 u_int32_t DebugHeaderSize; /* Size of debug header */ 491 u_int32_t FwDebugFlags; /* FW Debug Flags */ 492 u_int32_t FwDebugBufferSize; /* FW Debug Buffer size */ 493 }; 494 495 /* 496 * Event callback mechanism for the driver 497 */ 498 #define AAC_EVENT_NONE 0x00 499 #define AAC_EVENT_CMFREE 0x01 500 #define AAC_EVENT_MASK 0xff 501 #define AAC_EVENT_REPEAT 0x100 502 503 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 504 void *arg); 505 struct aac_event { 506 TAILQ_ENTRY(aac_event) ev_links; 507 int ev_type; 508 aac_event_cb_t *ev_callback; 509 void *ev_arg; 510 }; 511 512 /* 513 * Public functions 514 */ 515 extern void aacraid_free(struct aac_softc *sc); 516 extern int aacraid_attach(struct aac_softc *sc); 517 extern int aacraid_detach(device_t dev); 518 extern int aacraid_shutdown(device_t dev); 519 extern int aacraid_suspend(device_t dev); 520 extern int aacraid_resume(device_t dev); 521 extern void aacraid_new_intr_type1(void *arg); 522 extern void aacraid_submit_bio(struct bio *bp); 523 extern void aacraid_biodone(struct bio *bp); 524 extern void aacraid_startio(struct aac_softc *sc); 525 extern int aacraid_alloc_command(struct aac_softc *sc, 526 struct aac_command **cmp); 527 extern void aacraid_release_command(struct aac_command *cm); 528 extern void aacraid_add_event(struct aac_softc *sc, struct aac_event 529 *event); 530 extern void aacraid_map_command_sg(void *arg, bus_dma_segment_t *segs, 531 int nseg, int error); 532 extern int aacraid_wait_command(struct aac_command *cmp); 533 534 #ifdef AACRAID_DEBUG 535 # define fwprintf(sc, flags, fmt, args...) \ 536 aacraid_fw_printf(sc, flags, "%s: " fmt, __func__, ##args); 537 538 extern void aacraid_print_queues(struct aac_softc *sc); 539 extern void aacraid_print_fib(struct aac_softc *sc, struct aac_fib *fib, 540 const char *caller); 541 extern void aacraid_print_aif(struct aac_softc *sc, 542 struct aac_aif_command *aif); 543 544 #define AAC_PRINT_FIB(sc, fib) aacraid_print_fib(sc, fib, __func__) 545 546 #else 547 # define fwprintf(sc, flags, fmt, args...) 548 549 # define aacraid_print_queues(sc) 550 551 # define AAC_PRINT_FIB(sc, fib) 552 # define aacraid_print_aif(sc, aac_aif_command) 553 #endif 554 555 struct aac_code_lookup { 556 char *string; 557 u_int32_t code; 558 }; 559 560 /* 561 * Queue primitives for driver queues. 562 */ 563 #define AACQ_ADD(sc, qname) \ 564 do { \ 565 struct aac_qstat *qs; \ 566 \ 567 qs = &(sc)->aac_qstat[qname]; \ 568 \ 569 qs->q_length++; \ 570 if (qs->q_length > qs->q_max) \ 571 qs->q_max = qs->q_length; \ 572 } while (0) 573 574 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 575 #define AACQ_INIT(sc, qname) \ 576 do { \ 577 sc->aac_qstat[qname].q_length = 0; \ 578 sc->aac_qstat[qname].q_max = 0; \ 579 } while (0) 580 581 582 #define AACQ_COMMAND_QUEUE(name, index) \ 583 static __inline void \ 584 aac_initq_ ## name (struct aac_softc *sc) \ 585 { \ 586 TAILQ_INIT(&sc->aac_ ## name); \ 587 AACQ_INIT(sc, index); \ 588 } \ 589 static __inline void \ 590 aac_enqueue_ ## name (struct aac_command *cm) \ 591 { \ 592 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 593 printf("command %p is on another queue, flags = %#x\n", \ 594 cm, cm->cm_flags); \ 595 panic("command is on another queue"); \ 596 } \ 597 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 598 cm->cm_flags |= AAC_ON_ ## index; \ 599 AACQ_ADD(cm->cm_sc, index); \ 600 } \ 601 static __inline void \ 602 aac_requeue_ ## name (struct aac_command *cm) \ 603 { \ 604 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 605 printf("command %p is on another queue, flags = %#x\n", \ 606 cm, cm->cm_flags); \ 607 panic("command is on another queue"); \ 608 } \ 609 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 610 cm->cm_flags |= AAC_ON_ ## index; \ 611 AACQ_ADD(cm->cm_sc, index); \ 612 } \ 613 static __inline struct aac_command * \ 614 aac_dequeue_ ## name (struct aac_softc *sc) \ 615 { \ 616 struct aac_command *cm; \ 617 \ 618 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 619 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 620 printf("command %p not in queue, flags = %#x, " \ 621 "bit = %#x\n", cm, cm->cm_flags, \ 622 AAC_ON_ ## index); \ 623 panic("command not in queue"); \ 624 } \ 625 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 626 cm->cm_flags &= ~AAC_ON_ ## index; \ 627 AACQ_REMOVE(sc, index); \ 628 } \ 629 return(cm); \ 630 } \ 631 static __inline void \ 632 aac_remove_ ## name (struct aac_command *cm) \ 633 { \ 634 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 635 printf("command %p not in queue, flags = %#x, " \ 636 "bit = %#x\n", cm, cm->cm_flags, \ 637 AAC_ON_ ## index); \ 638 panic("command not in queue"); \ 639 } \ 640 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 641 cm->cm_flags &= ~AAC_ON_ ## index; \ 642 AACQ_REMOVE(cm->cm_sc, index); \ 643 } \ 644 struct hack 645 646 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 647 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 648 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 649 650 static __inline void 651 aac_print_printf(struct aac_softc *sc) 652 { 653 /* 654 * XXX We have the ability to read the length of the printf string 655 * from out of the mailboxes. 656 */ 657 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 658 sc->aac_common->ac_printf); 659 sc->aac_common->ac_printf[0] = 0; 660 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 661 } 662 663 static __inline int 664 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 665 { 666 667 mtx_assert(&sc->aac_io_lock, MA_OWNED); 668 *fib = &sc->aac_common->ac_sync_fib; 669 return (0); 670 } 671 672 static __inline void 673 aac_release_sync_fib(struct aac_softc *sc) 674 { 675 676 mtx_assert(&sc->aac_io_lock, MA_OWNED); 677 } 678