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) 2001-2010 Adaptec, Inc. 8 * Copyright (c) 2010-2012 PMC-Sierra, Inc. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35 #include <sys/bio.h> 36 #if __FreeBSD_version >= 800000 37 #include <sys/callout.h> 38 #endif 39 #include <sys/lock.h> 40 #include <sys/mutex.h> 41 #include <sys/taskqueue.h> 42 #include <sys/selinfo.h> 43 #include <geom/geom_disk.h> 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 3 51 #define AAC_DRIVER_MINOR_VERSION 2 52 #define AAC_DRIVER_BUGFIX_LEVEL 5 53 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE 54 55 #ifndef AAC_DRIVER_BUILD 56 # define AAC_DRIVER_BUILD 1 57 #endif 58 59 #if __FreeBSD_version <= 601000 60 #define bus_get_dma_tag(x) NULL 61 #endif 62 63 /* **************************** NewBUS interrupt Crock ************************/ 64 #if __FreeBSD_version < 700031 65 #define aac_bus_setup_intr(d, i, f, U, if, ifa, hp) \ 66 bus_setup_intr(d, i, f, if, ifa, hp) 67 #else 68 #define aac_bus_setup_intr bus_setup_intr 69 #endif 70 71 /* **************************** NewBUS CAM Support ****************************/ 72 #if __FreeBSD_version < 700049 73 #define aac_xpt_bus_register(sim, parent, bus) \ 74 xpt_bus_register(sim, bus) 75 #else 76 #define aac_xpt_bus_register xpt_bus_register 77 #endif 78 79 /**************************** Kernel Thread Support ***************************/ 80 #if __FreeBSD_version > 800001 81 #define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 82 kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 83 #define aac_kthread_exit(status) \ 84 kproc_exit(status) 85 #else 86 #define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 87 kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 88 #define aac_kthread_exit(status) \ 89 kthread_exit(status) 90 #endif 91 92 /* 93 * Driver Parameter Definitions 94 */ 95 96 /* 97 * We allocate a small set of FIBs for the adapter to use to send us messages. 98 */ 99 #define AAC_ADAPTER_FIBS 8 100 101 /* 102 * The controller reports status events in AIFs. We hang on to a number of 103 * these in order to pass them out to user-space management tools. 104 */ 105 #define AAC_AIFQ_LENGTH 64 106 107 /* 108 * Firmware messages are passed in the printf buffer. 109 */ 110 #define AAC_PRINTF_BUFSIZE 256 111 112 /* 113 * We wait this many seconds for the adapter to come ready if it is still 114 * booting 115 */ 116 #define AAC_BOOT_TIMEOUT (3 * 60) 117 118 /* 119 * We wait this many seconds for the adapter to come ready 120 * after flash update 121 */ 122 #define AAC_FWUPD_TIMEOUT (5 * 60) 123 124 /* 125 * Timeout for sync. commands. 126 */ 127 #define AAC_SYNC_TIMEOUT 180 /* seconds */ 128 129 /* 130 * Timeout for normal commands 131 */ 132 #define AAC_CMD_TIMEOUT 180 /* seconds */ 133 134 /* 135 * Rate at which we periodically check for timed out commands and kick the 136 * controller. 137 */ 138 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 139 140 #define PASSTHROUGH_BUS 0 141 #define CONTAINER_BUS 1 142 /* 143 * Per-container data structure 144 */ 145 struct aac_container 146 { 147 struct aac_mntobj co_mntobj; 148 int co_found; 149 u_int32_t co_uid; 150 TAILQ_ENTRY(aac_container) co_link; 151 }; 152 153 /* 154 * Per-SIM data structure 155 */ 156 struct aac_cam; 157 struct aac_sim 158 { 159 device_t sim_dev; 160 int TargetsPerBus; 161 int BusNumber; 162 int BusType; 163 int InitiatorBusId; 164 struct aac_softc *aac_sc; 165 struct aac_cam *aac_cam; 166 TAILQ_ENTRY(aac_sim) sim_link; 167 }; 168 169 /* 170 * Per-disk structure 171 */ 172 struct aac_disk 173 { 174 device_t ad_dev; 175 struct aac_softc *ad_controller; 176 struct aac_container *ad_container; 177 struct disk *ad_disk; 178 int ad_flags; 179 #define AAC_DISK_OPEN (1<<0) 180 int ad_cylinders; 181 int ad_heads; 182 int ad_sectors; 183 u_int64_t ad_size; 184 int unit; 185 }; 186 187 /* 188 * Per-command control structure. 189 */ 190 struct aac_command 191 { 192 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 193 194 struct aac_softc *cm_sc; /* controller that owns us */ 195 196 struct aac_fib *cm_fib; /* FIB associated with this 197 * command */ 198 u_int64_t cm_fibphys; /* bus address of the FIB */ 199 struct bio *cm_data; /* pointer to data in kernel 200 * space */ 201 u_int32_t cm_datalen; /* data length */ 202 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 203 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 204 * command */ 205 int cm_flags; 206 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 207 * mapped */ 208 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 209 * from controller to host */ 210 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 211 * from host to controller */ 212 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 213 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 214 #define AAC_ON_AACQ_FREE (1<<5) 215 #define AAC_ON_AACQ_READY (1<<6) 216 #define AAC_ON_AACQ_BUSY (1<<7) 217 #define AAC_ON_AACQ_AIF (1<<8) 218 #define AAC_ON_AACQ_NORM (1<<10) 219 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 220 #define AAC_CMD_RESET (1<<9) 221 #define AAC_CMD_FASTRESP (1<<11) 222 #define AAC_CMD_WAIT (1<<12) 223 224 void (* cm_complete)(struct aac_command *cm); 225 union ccb *cm_ccb; 226 time_t cm_timestamp; /* command creation time */ 227 int cm_index; 228 bus_dma_tag_t cm_passthr_dmat; /* passthrough buffer/command 229 * DMA tag */ 230 }; 231 232 struct aac_fibmap { 233 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 234 struct aac_fib *aac_fibs; 235 bus_dmamap_t aac_fibmap; 236 struct aac_command *aac_commands; 237 }; 238 239 /* 240 * We gather a number of adapter-visible items into a single structure. 241 * 242 * The ordering of this strucure may be important; we copy the Linux driver: 243 * 244 * Adapter FIBs 245 * Init struct 246 * Queue headers (Comm Area) 247 * Printf buffer 248 * 249 * In addition, we add: 250 * Sync Fib 251 */ 252 struct aac_common { 253 /* fibs for the controller to send us messages */ 254 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 255 256 /* the init structure */ 257 struct aac_adapter_init ac_init; 258 259 /* buffer for text messages from the controller */ 260 char ac_printf[AAC_PRINTF_BUFSIZE]; 261 262 /* fib for synchronous commands */ 263 struct aac_fib ac_sync_fib; 264 265 /* response buffer for SRC (new comm. type1) - must be last element */ 266 u_int32_t ac_host_rrq[0]; 267 }; 268 269 /* 270 * Interface operations 271 */ 272 struct aac_interface 273 { 274 int (*aif_get_fwstatus)(struct aac_softc *sc); 275 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 276 int (*aif_get_istatus)(struct aac_softc *sc); 277 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 278 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 279 u_int32_t arg0, u_int32_t arg1, 280 u_int32_t arg2, u_int32_t arg3); 281 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 282 void (*aif_access_devreg)(struct aac_softc *sc, int enable); 283 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 284 int (*aif_get_outb_queue)(struct aac_softc *sc); 285 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 286 }; 287 extern struct aac_interface aacraid_src_interface; 288 extern struct aac_interface aacraid_srcv_interface; 289 290 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 291 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 292 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 293 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 294 (mask))) 295 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 296 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 297 (arg3))) 298 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 299 (mb))) 300 #define AAC_ACCESS_DEVREG(sc, mode) ((sc)->aac_if.aif_access_devreg((sc), \ 301 mode)) 302 #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm))) 303 #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc))) 304 #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx))) 305 306 #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ 307 sc->aac_bhandle0, reg, val) 308 #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ 309 sc->aac_bhandle0, reg) 310 #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ 311 sc->aac_bhandle0, reg, val) 312 #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ 313 sc->aac_bhandle0, reg) 314 #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ 315 sc->aac_bhandle0, reg, val) 316 #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ 317 sc->aac_bhandle0, reg) 318 319 #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ 320 sc->aac_bhandle1, reg, val) 321 #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ 322 sc->aac_bhandle1, reg) 323 #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ 324 sc->aac_bhandle1, reg, val) 325 #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ 326 sc->aac_bhandle1, reg) 327 #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ 328 sc->aac_bhandle1, reg, val) 329 #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ 330 sc->aac_bhandle1, reg) 331 332 /* fib context (IOCTL) */ 333 struct aac_fib_context { 334 u_int32_t unique; 335 int ctx_idx; 336 int ctx_wrap; 337 struct aac_fib_context *next, *prev; 338 }; 339 340 /* MSIX context */ 341 struct aac_msix_ctx { 342 int vector_no; 343 struct aac_softc *sc; 344 }; 345 346 /* 347 * Per-controller structure. 348 */ 349 struct aac_softc 350 { 351 /* bus connections */ 352 device_t aac_dev; 353 struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ 354 int aac_regs_rid0, aac_regs_rid1; /* resource ID */ 355 bus_space_handle_t aac_bhandle0, aac_bhandle1; /* bus space handle */ 356 bus_space_tag_t aac_btag0, aac_btag1; /* bus space tag */ 357 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 358 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 359 * DMA tag */ 360 struct resource *aac_irq[AAC_MAX_MSIX]; /* interrupt */ 361 int aac_irq_rid[AAC_MAX_MSIX]; 362 void *aac_intr[AAC_MAX_MSIX]; /* interrupt handle */ 363 struct aac_msix_ctx aac_msix[AAC_MAX_MSIX]; /* context */ 364 eventhandler_tag eh; 365 #if __FreeBSD_version >= 800000 366 struct callout aac_daemontime; /* clock daemon callout */ 367 #else 368 struct callout_handle timeout_id; /* timeout handle */ 369 #endif 370 371 /* controller features, limits and status */ 372 int aac_state; 373 #define AAC_STATE_SUSPEND (1<<0) 374 #define AAC_STATE_UNUSED0 (1<<1) 375 #define AAC_STATE_INTERRUPTS_ON (1<<2) 376 #define AAC_STATE_AIF_SLEEPER (1<<3) 377 #define AAC_STATE_RESET (1<<4) 378 struct FsaRevision aac_revision; 379 380 /* controller hardware interface */ 381 int aac_hwif; 382 #define AAC_HWIF_SRC 5 383 #define AAC_HWIF_SRCV 6 384 #define AAC_HWIF_UNKNOWN -1 385 bus_dma_tag_t aac_common_dmat; /* common structure 386 * DMA tag */ 387 bus_dmamap_t aac_common_dmamap; /* common structure 388 * DMA map */ 389 struct aac_common *aac_common; 390 u_int32_t aac_common_busaddr; 391 u_int32_t aac_host_rrq_idx[AAC_MAX_MSIX]; 392 u_int32_t aac_rrq_outstanding[AAC_MAX_MSIX]; 393 u_int32_t aac_fibs_pushed_no; 394 struct aac_interface aac_if; 395 396 /* command/fib resources */ 397 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 398 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 399 u_int total_fibs; 400 struct aac_command *aac_commands; 401 402 /* command management */ 403 TAILQ_HEAD(,aac_command) aac_free; /* command structures 404 * available for reuse */ 405 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 406 * controller resources */ 407 TAILQ_HEAD(,aac_command) aac_busy; 408 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 409 struct bio_queue_head aac_bioq; 410 411 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 412 413 /* connected containters */ 414 TAILQ_HEAD(,aac_container) aac_container_tqh; 415 struct mtx aac_container_lock; 416 417 /* 418 * The general I/O lock. This protects the sync fib, the lists, the 419 * queues, and the registers. 420 */ 421 struct mtx aac_io_lock; 422 423 struct intr_config_hook aac_ich; 424 425 /* sync. transfer mode */ 426 struct aac_command *aac_sync_cm; 427 428 /* management interface */ 429 struct cdev *aac_dev_t; 430 struct mtx aac_aifq_lock; 431 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; 432 int aifq_idx; 433 int aifq_filled; 434 int aif_pending; 435 struct aac_fib_context *fibctx; 436 struct selinfo rcv_select; 437 struct proc *aifthread; 438 int aifflags; 439 #define AAC_AIFFLAGS_RUNNING (1 << 0) 440 #define AAC_AIFFLAGS_AIF (1 << 1) 441 #define AAC_AIFFLAGS_EXIT (1 << 2) 442 #define AAC_AIFFLAGS_EXITED (1 << 3) 443 #define AAC_AIFFLAGS_PRINTF (1 << 4) 444 #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 445 #define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \ 446 AAC_AIFFLAGS_ALLOCFIBS) 447 u_int32_t flags; 448 #define AAC_FLAGS_PERC2QC (1 << 0) 449 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 450 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 451 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 452 #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 453 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 454 * 2GB-4GB range */ 455 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 456 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 457 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 458 #define AAC_FLAGS_SLAVE (1 << 9) 459 #define AAC_FLAGS_MASTER (1 << 10) 460 #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 461 #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 462 #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 463 #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ 464 #define AAC_QUEUE_FRZN (1 << 15) /* Freeze the processing of 465 * commands on the queue. */ 466 #define AAC_FLAGS_NEW_COMM_TYPE1 (1 << 16) /* New comm. type1 supported */ 467 #define AAC_FLAGS_NEW_COMM_TYPE2 (1 << 17) /* New comm. type2 supported */ 468 #define AAC_FLAGS_NEW_COMM_TYPE34 (1 << 18) /* New comm. type3/4 */ 469 #define AAC_FLAGS_SYNC_MODE (1 << 18) /* Sync. transfer mode */ 470 u_int32_t hint_flags; /* driver parameters */ 471 int sim_freezed; /* flag for sim_freeze/release */ 472 u_int32_t supported_options; 473 u_int32_t scsi_method_id; 474 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 475 476 u_int32_t aac_max_fibs; /* max. FIB count */ 477 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 478 u_int32_t aac_max_fib_size; /* max. FIB size */ 479 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 480 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 481 u_int32_t aac_feature_bits; /* feature bits from suppl. info */ 482 u_int32_t aac_support_opt2; /* supp. options from suppl. info */ 483 u_int32_t aac_max_aif; /* max. AIF count */ 484 u_int32_t aac_max_msix; /* max. MSI-X vectors */ 485 u_int32_t aac_vector_cap; /* MSI-X vector capab.*/ 486 int msi_enabled; /* MSI/MSI-X enabled */ 487 #define AAC_CAM_TARGET_WILDCARD ~0 488 void (*cam_rescan_cb)(struct aac_softc *, uint32_t, 489 uint32_t); 490 u_int32_t DebugFlags; /* Debug print flags bitmap */ 491 u_int32_t DebugOffset; /* Offset from DPMEM start */ 492 u_int32_t DebugHeaderSize; /* Size of debug header */ 493 u_int32_t FwDebugFlags; /* FW Debug Flags */ 494 u_int32_t FwDebugBufferSize; /* FW Debug Buffer size */ 495 }; 496 497 /* 498 * Event callback mechanism for the driver 499 */ 500 #define AAC_EVENT_NONE 0x00 501 #define AAC_EVENT_CMFREE 0x01 502 #define AAC_EVENT_MASK 0xff 503 #define AAC_EVENT_REPEAT 0x100 504 505 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 506 void *arg); 507 struct aac_event { 508 TAILQ_ENTRY(aac_event) ev_links; 509 int ev_type; 510 aac_event_cb_t *ev_callback; 511 void *ev_arg; 512 }; 513 514 /* 515 * Public functions 516 */ 517 extern void aacraid_free(struct aac_softc *sc); 518 extern int aacraid_attach(struct aac_softc *sc); 519 extern int aacraid_detach(device_t dev); 520 extern int aacraid_shutdown(device_t dev); 521 extern int aacraid_suspend(device_t dev); 522 extern int aacraid_resume(device_t dev); 523 extern void aacraid_new_intr_type1(void *arg); 524 extern void aacraid_submit_bio(struct bio *bp); 525 extern void aacraid_biodone(struct bio *bp); 526 extern void aacraid_startio(struct aac_softc *sc); 527 extern int aacraid_alloc_command(struct aac_softc *sc, 528 struct aac_command **cmp); 529 extern void aacraid_release_command(struct aac_command *cm); 530 extern void aacraid_add_event(struct aac_softc *sc, struct aac_event 531 *event); 532 extern void aacraid_map_command_sg(void *arg, bus_dma_segment_t *segs, 533 int nseg, int error); 534 extern int aacraid_wait_command(struct aac_command *cmp); 535 536 #ifdef AACRAID_DEBUG 537 # define fwprintf(sc, flags, fmt, args...) \ 538 aacraid_fw_printf(sc, flags, "%s: " fmt, __func__, ##args); 539 540 extern void aacraid_print_queues(struct aac_softc *sc); 541 extern void aacraid_print_fib(struct aac_softc *sc, struct aac_fib *fib, 542 const char *caller); 543 extern void aacraid_print_aif(struct aac_softc *sc, 544 struct aac_aif_command *aif); 545 546 #define AAC_PRINT_FIB(sc, fib) aacraid_print_fib(sc, fib, __func__) 547 548 #else 549 # define fwprintf(sc, flags, fmt, args...) 550 551 # define aacraid_print_queues(sc) 552 553 # define AAC_PRINT_FIB(sc, fib) 554 # define aacraid_print_aif(sc, aac_aif_command) 555 #endif 556 557 struct aac_code_lookup { 558 char *string; 559 u_int32_t code; 560 }; 561 562 /* 563 * Queue primitives for driver queues. 564 */ 565 #define AACQ_ADD(sc, qname) \ 566 do { \ 567 struct aac_qstat *qs; \ 568 \ 569 qs = &(sc)->aac_qstat[qname]; \ 570 \ 571 qs->q_length++; \ 572 if (qs->q_length > qs->q_max) \ 573 qs->q_max = qs->q_length; \ 574 } while (0) 575 576 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 577 #define AACQ_INIT(sc, qname) \ 578 do { \ 579 sc->aac_qstat[qname].q_length = 0; \ 580 sc->aac_qstat[qname].q_max = 0; \ 581 } while (0) 582 583 584 #define AACQ_COMMAND_QUEUE(name, index) \ 585 static __inline void \ 586 aac_initq_ ## name (struct aac_softc *sc) \ 587 { \ 588 TAILQ_INIT(&sc->aac_ ## name); \ 589 AACQ_INIT(sc, index); \ 590 } \ 591 static __inline void \ 592 aac_enqueue_ ## name (struct aac_command *cm) \ 593 { \ 594 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 595 printf("command %p is on another queue, flags = %#x\n", \ 596 cm, cm->cm_flags); \ 597 panic("command is on another queue"); \ 598 } \ 599 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 600 cm->cm_flags |= AAC_ON_ ## index; \ 601 AACQ_ADD(cm->cm_sc, index); \ 602 } \ 603 static __inline void \ 604 aac_requeue_ ## name (struct aac_command *cm) \ 605 { \ 606 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 607 printf("command %p is on another queue, flags = %#x\n", \ 608 cm, cm->cm_flags); \ 609 panic("command is on another queue"); \ 610 } \ 611 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 612 cm->cm_flags |= AAC_ON_ ## index; \ 613 AACQ_ADD(cm->cm_sc, index); \ 614 } \ 615 static __inline struct aac_command * \ 616 aac_dequeue_ ## name (struct aac_softc *sc) \ 617 { \ 618 struct aac_command *cm; \ 619 \ 620 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 621 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 622 printf("command %p not in queue, flags = %#x, " \ 623 "bit = %#x\n", cm, cm->cm_flags, \ 624 AAC_ON_ ## index); \ 625 panic("command not in queue"); \ 626 } \ 627 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 628 cm->cm_flags &= ~AAC_ON_ ## index; \ 629 AACQ_REMOVE(sc, index); \ 630 } \ 631 return(cm); \ 632 } \ 633 static __inline void \ 634 aac_remove_ ## name (struct aac_command *cm) \ 635 { \ 636 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 637 printf("command %p not in queue, flags = %#x, " \ 638 "bit = %#x\n", cm, cm->cm_flags, \ 639 AAC_ON_ ## index); \ 640 panic("command not in queue"); \ 641 } \ 642 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 643 cm->cm_flags &= ~AAC_ON_ ## index; \ 644 AACQ_REMOVE(cm->cm_sc, index); \ 645 } \ 646 struct hack 647 648 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 649 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 650 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 651 652 static __inline void 653 aac_print_printf(struct aac_softc *sc) 654 { 655 /* 656 * XXX We have the ability to read the length of the printf string 657 * from out of the mailboxes. 658 */ 659 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 660 sc->aac_common->ac_printf); 661 sc->aac_common->ac_printf[0] = 0; 662 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 663 } 664 665 static __inline int 666 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 667 { 668 669 mtx_assert(&sc->aac_io_lock, MA_OWNED); 670 *fib = &sc->aac_common->ac_sync_fib; 671 return (0); 672 } 673 674 static __inline void 675 aac_release_sync_fib(struct aac_softc *sc) 676 { 677 678 mtx_assert(&sc->aac_io_lock, MA_OWNED); 679 } 680