1 /* $FreeBSD: src/sys/dev/iir/iir.c,v 1.2.2.3 2002/05/05 08:18:12 asmodai Exp $ */ 2 /* $DragonFly: src/sys/dev/raid/iir/iir.c,v 1.11 2005/12/11 01:54:09 swildner Exp $ */ 3 /* 4 * Copyright (c) 2000-01 Intel Corporation 5 * All Rights Reserved 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 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 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 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 FOR 23 * 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 32 /* 33 * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver 34 * 35 * Written by: Achim Leubner <achim.leubner@intel.com> 36 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> 37 * 38 * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers. 39 * Mike Smith; Some driver source code. 40 * FreeBSD.ORG; Great O/S to work on and for. 41 * 42 * TODO: 43 */ 44 45 #ident "$Id: iir.c 1.2 2001/06/21 20:28:32 achim Exp $" 46 47 #define _IIR_C_ 48 49 /* #include "opt_iir.h" */ 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/types.h> 53 #include <sys/eventhandler.h> 54 #include <sys/malloc.h> 55 #include <sys/kernel.h> 56 #include <sys/bus.h> 57 #include <sys/thread2.h> 58 59 #include <machine/bus_memio.h> 60 #include <machine/bus_pio.h> 61 #include <machine/bus.h> 62 #include <machine/clock.h> 63 #include <machine/stdarg.h> 64 65 #include <bus/cam/cam.h> 66 #include <bus/cam/cam_ccb.h> 67 #include <bus/cam/cam_sim.h> 68 #include <bus/cam/cam_xpt_sim.h> 69 #include <bus/cam/cam_debug.h> 70 #include <bus/cam/scsi/scsi_all.h> 71 #include <bus/cam/scsi/scsi_message.h> 72 73 #include <vm/vm.h> 74 #include <vm/pmap.h> 75 76 #include "iir.h" 77 78 struct gdt_softc *gdt_wait_gdt; 79 int gdt_wait_index; 80 81 #ifdef GDT_DEBUG 82 int gdt_debug = GDT_DEBUG; 83 #ifdef __SERIAL__ 84 #define MAX_SERBUF 160 85 static void ser_init(void); 86 static void ser_puts(char *str); 87 static void ser_putc(int c); 88 static char strbuf[MAX_SERBUF+1]; 89 #ifdef __COM2__ 90 #define COM_BASE 0x2f8 91 #else 92 #define COM_BASE 0x3f8 93 #endif 94 static void ser_init() 95 { 96 unsigned port=COM_BASE; 97 98 outb(port+3, 0x80); 99 outb(port+1, 0); 100 /* 19200 Baud, if 9600: outb(12,port) */ 101 outb(port, 6); 102 outb(port+3, 3); 103 outb(port+1, 0); 104 } 105 106 static void ser_puts(char *str) 107 { 108 char *ptr; 109 110 ser_init(); 111 for (ptr=str;*ptr;++ptr) 112 ser_putc((int)(*ptr)); 113 } 114 115 static void ser_putc(int c) 116 { 117 unsigned port=COM_BASE; 118 119 while ((inb(port+5) & 0x20)==0); 120 outb(port, c); 121 if (c==0x0a) 122 { 123 while ((inb(port+5) & 0x20)==0); 124 outb(port, 0x0d); 125 } 126 } 127 128 int 129 ser_printf(const char *fmt, ...) 130 { 131 __va_list args; 132 int i; 133 134 __va_start(args,fmt); 135 i = vsprintf(strbuf,fmt,args); 136 ser_puts(strbuf); 137 __va_end(args); 138 return i; 139 } 140 #endif 141 #endif 142 143 /* The linked list of softc structures */ 144 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs); 145 /* controller cnt. */ 146 int gdt_cnt = 0; 147 /* event buffer */ 148 static gdt_evt_str ebuffer[GDT_MAX_EVENTS]; 149 static int elastidx, eoldidx; 150 /* statistics */ 151 gdt_statist_t gdt_stat; 152 153 /* Definitions for our use of the SIM private CCB area */ 154 #define ccb_sim_ptr spriv_ptr0 155 #define ccb_priority spriv_field1 156 157 static void iir_action(struct cam_sim *sim, union ccb *ccb); 158 static void iir_poll(struct cam_sim *sim); 159 static void iir_shutdown(void *arg, int howto); 160 static void iir_timeout(void *arg); 161 static void iir_watchdog(void *arg); 162 163 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, 164 int *secs); 165 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 166 u_int8_t service, u_int16_t opcode, 167 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); 168 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb, 169 int timeout); 170 171 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt); 172 static u_int32_t gdt_ccb_vtop(struct gdt_softc *gdt, 173 struct gdt_ccb *gccb); 174 175 static int gdt_sync_event(struct gdt_softc *gdt, int service, 176 u_int8_t index, struct gdt_ccb *gccb); 177 static int gdt_async_event(struct gdt_softc *gdt, int service); 178 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb); 179 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb); 180 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd); 181 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb); 182 183 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, 184 int nseg, int error); 185 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, 186 int nseg, int error); 187 188 int 189 iir_init(struct gdt_softc *gdt) 190 { 191 u_int16_t cdev_cnt; 192 int i, id, drv_cyls, drv_hds, drv_secs; 193 struct gdt_ccb *gccb; 194 195 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n")); 196 197 gdt->sc_state = GDT_POLLING; 198 gdt_clear_events(); 199 bzero(&gdt_stat, sizeof(gdt_statist_t)); 200 201 SLIST_INIT(&gdt->sc_free_gccb); 202 SLIST_INIT(&gdt->sc_pending_gccb); 203 TAILQ_INIT(&gdt->sc_ccb_queue); 204 TAILQ_INIT(&gdt->sc_ucmd_queue); 205 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links); 206 207 /* DMA tag for mapping buffers into device visible space. */ 208 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 209 /*lowaddr*/BUS_SPACE_MAXADDR, 210 /*highaddr*/BUS_SPACE_MAXADDR, 211 /*filter*/NULL, /*filterarg*/NULL, 212 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG, 213 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 214 /*flags*/BUS_DMA_ALLOCNOW, 215 &gdt->sc_buffer_dmat) != 0) { 216 printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n", 217 gdt->sc_hanum); 218 return (1); 219 } 220 gdt->sc_init_level++; 221 222 /* DMA tag for our ccb structures */ 223 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 224 /*lowaddr*/BUS_SPACE_MAXADDR, 225 /*highaddr*/BUS_SPACE_MAXADDR, 226 /*filter*/NULL, /*filterarg*/NULL, 227 GDT_MAXCMDS * sizeof(struct gdt_ccb), 228 /*nsegments*/1, 229 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 230 /*flags*/0, &gdt->sc_gccb_dmat) != 0) { 231 printf("iir%d: bus_dma_tag_create(...,gdt->sc_gccb_dmat) failed\n", 232 gdt->sc_hanum); 233 return (1); 234 } 235 gdt->sc_init_level++; 236 237 /* Allocation for our ccbs */ 238 if (bus_dmamem_alloc(gdt->sc_gccb_dmat, (void **)&gdt->sc_gccbs, 239 BUS_DMA_NOWAIT, &gdt->sc_gccb_dmamap) != 0) { 240 printf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n", 241 gdt->sc_hanum); 242 return (1); 243 } 244 gdt->sc_init_level++; 245 246 /* And permanently map them */ 247 bus_dmamap_load(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap, 248 gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb), 249 gdtmapmem, &gdt->sc_gccb_busbase, /*flags*/0); 250 gdt->sc_init_level++; 251 252 /* Clear them out. */ 253 bzero(gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb)); 254 255 /* Initialize the ccbs */ 256 for (i = GDT_MAXCMDS-1; i >= 0; i--) { 257 gdt->sc_gccbs[i].gc_cmd_index = i + 2; 258 gdt->sc_gccbs[i].gc_flags = GDT_GCF_UNUSED; 259 gdt->sc_gccbs[i].gc_map_flag = FALSE; 260 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0, 261 &gdt->sc_gccbs[i].gc_dmamap) != 0) 262 return(1); 263 gdt->sc_gccbs[i].gc_map_flag = TRUE; 264 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, &gdt->sc_gccbs[i], sle); 265 } 266 gdt->sc_init_level++; 267 268 /* create the control device */ 269 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum); 270 271 /* allocate ccb for gdt_internal_cmd() */ 272 gccb = gdt_get_ccb(gdt); 273 if (gccb == NULL) { 274 printf("iir%d: No free command index found\n", 275 gdt->sc_hanum); 276 return (1); 277 } 278 279 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT, 280 0, 0, 0)) { 281 printf("iir%d: Screen service initialization error %d\n", 282 gdt->sc_hanum, gdt->sc_status); 283 gdt_free_ccb(gdt, gccb); 284 return (1); 285 } 286 287 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, 288 GDT_LINUX_OS, 0, 0)) { 289 printf("iir%d: Cache service initialization error %d\n", 290 gdt->sc_hanum, gdt->sc_status); 291 gdt_free_ccb(gdt, gccb); 292 return (1); 293 } 294 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO, 295 0, 0, 0); 296 297 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_MOUNT, 298 0xffff, 1, 0)) { 299 printf("iir%d: Cache service mount error %d\n", 300 gdt->sc_hanum, gdt->sc_status); 301 gdt_free_ccb(gdt, gccb); 302 return (1); 303 } 304 305 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, 306 GDT_LINUX_OS, 0, 0)) { 307 printf("iir%d: Cache service post-mount initialization error %d\n", 308 gdt->sc_hanum, gdt->sc_status); 309 gdt_free_ccb(gdt, gccb); 310 return (1); 311 } 312 cdev_cnt = (u_int16_t)gdt->sc_info; 313 gdt->sc_fw_vers = gdt->sc_service; 314 315 /* Detect number of buses */ 316 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST); 317 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS; 318 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0; 319 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1; 320 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ); 321 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 322 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL, 323 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) { 324 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT]; 325 for (i = 0; i < gdt->sc_bus_cnt; i++) { 326 id = gccb->gc_scratch[GDT_IOC_HDR_SZ + 327 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID]; 328 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff; 329 } 330 } else { 331 /* New method failed, use fallback. */ 332 for (i = 0; i < GDT_MAXBUS; i++) { 333 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i); 334 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 335 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN, 336 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL, 337 GDT_GETCH_SZ)) { 338 if (i == 0) { 339 printf("iir%d: Cannot get channel count, " 340 "error %d\n", gdt->sc_hanum, gdt->sc_status); 341 gdt_free_ccb(gdt, gccb); 342 return (1); 343 } 344 break; 345 } 346 gdt->sc_bus_id[i] = 347 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ? 348 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff; 349 } 350 gdt->sc_bus_cnt = i; 351 } 352 /* add one "virtual" channel for the host drives */ 353 gdt->sc_virt_bus = gdt->sc_bus_cnt; 354 gdt->sc_bus_cnt++; 355 356 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT, 357 0, 0, 0)) { 358 printf("iir%d: Raw service initialization error %d\n", 359 gdt->sc_hanum, gdt->sc_status); 360 gdt_free_ccb(gdt, gccb); 361 return (1); 362 } 363 364 /* Set/get features raw service (scatter/gather) */ 365 gdt->sc_raw_feat = 0; 366 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT, 367 GDT_SCATTER_GATHER, 0, 0)) { 368 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT, 369 0, 0, 0)) { 370 gdt->sc_raw_feat = gdt->sc_info; 371 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 372 panic("iir%d: Scatter/Gather Raw Service " 373 "required but not supported!\n", gdt->sc_hanum); 374 gdt_free_ccb(gdt, gccb); 375 return (1); 376 } 377 } 378 } 379 380 /* Set/get features cache service (scatter/gather) */ 381 gdt->sc_cache_feat = 0; 382 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT, 383 0, GDT_SCATTER_GATHER, 0)) { 384 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT, 385 0, 0, 0)) { 386 gdt->sc_cache_feat = gdt->sc_info; 387 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 388 panic("iir%d: Scatter/Gather Cache Service " 389 "required but not supported!\n", gdt->sc_hanum); 390 gdt_free_ccb(gdt, gccb); 391 return (1); 392 } 393 } 394 } 395 396 /* Scan for cache devices */ 397 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) { 398 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO, 399 i, 0, 0)) { 400 gdt->sc_hdr[i].hd_present = 1; 401 gdt->sc_hdr[i].hd_size = gdt->sc_info; 402 403 /* 404 * Evaluate mapping (sectors per head, heads per cyl) 405 */ 406 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32; 407 if (gdt->sc_info2 == 0) 408 gdt_eval_mapping(gdt->sc_hdr[i].hd_size, 409 &drv_cyls, &drv_hds, &drv_secs); 410 else { 411 drv_hds = gdt->sc_info2 & 0xff; 412 drv_secs = (gdt->sc_info2 >> 8) & 0xff; 413 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds / 414 drv_secs; 415 } 416 gdt->sc_hdr[i].hd_heads = drv_hds; 417 gdt->sc_hdr[i].hd_secs = drv_secs; 418 /* Round the size */ 419 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; 420 421 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, 422 GDT_DEVTYPE, i, 0, 0)) 423 gdt->sc_hdr[i].hd_devtype = gdt->sc_info; 424 } 425 } 426 427 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n", 428 gdt->sc_dpmembase, 429 gdt->sc_bus_cnt, cdev_cnt, 430 cdev_cnt == 1 ? "" : "s")); 431 gdt_free_ccb(gdt, gccb); 432 433 gdt_cnt++; 434 return (0); 435 } 436 437 void 438 iir_free(struct gdt_softc *gdt) 439 { 440 int i; 441 442 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n")); 443 444 switch (gdt->sc_init_level) { 445 default: 446 gdt_destroy_dev(gdt->sc_dev); 447 case 5: 448 for (i = GDT_MAXCMDS-1; i >= 0; i--) 449 if (gdt->sc_gccbs[i].gc_map_flag) 450 bus_dmamap_destroy(gdt->sc_buffer_dmat, 451 gdt->sc_gccbs[i].gc_dmamap); 452 bus_dmamap_unload(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap); 453 case 4: 454 bus_dmamem_free(gdt->sc_gccb_dmat, gdt->sc_gccbs, gdt->sc_gccb_dmamap); 455 case 3: 456 bus_dma_tag_destroy(gdt->sc_gccb_dmat); 457 case 2: 458 bus_dma_tag_destroy(gdt->sc_buffer_dmat); 459 case 1: 460 bus_dma_tag_destroy(gdt->sc_parent_dmat); 461 case 0: 462 break; 463 } 464 TAILQ_REMOVE(&gdt_softcs, gdt, links); 465 } 466 467 void 468 iir_attach(struct gdt_softc *gdt) 469 { 470 struct cam_devq *devq; 471 int i; 472 473 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n")); 474 475 callout_init(&gdt->watchdog_timer); 476 /* 477 * Create the device queue for our SIM. 478 */ 479 devq = cam_simq_alloc(GDT_MAXCMDS); 480 if (devq == NULL) 481 return; 482 483 for (i = 0; i < gdt->sc_bus_cnt; i++) { 484 /* 485 * Construct our SIM entry 486 */ 487 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir", 488 gdt, gdt->sc_hanum, /*untagged*/2, 489 /*tagged*/GDT_MAXCMDS, devq); 490 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) { 491 cam_sim_free(gdt->sims[i]); 492 break; 493 } 494 495 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, 496 cam_sim_path(gdt->sims[i]), 497 CAM_TARGET_WILDCARD, 498 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 499 xpt_bus_deregister(cam_sim_path(gdt->sims[i])); 500 cam_sim_free(gdt->sims[i]); 501 break; 502 } 503 } 504 cam_simq_release(devq); 505 if (i > 0) 506 EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown, 507 gdt, SHUTDOWN_PRI_DEFAULT); 508 /* iir_watchdog(gdt); */ 509 gdt->sc_state = GDT_NORMAL; 510 } 511 512 static void 513 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) 514 { 515 *cyls = size / GDT_HEADS / GDT_SECS; 516 if (*cyls < GDT_MAXCYLS) { 517 *heads = GDT_HEADS; 518 *secs = GDT_SECS; 519 } else { 520 /* Too high for 64 * 32 */ 521 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; 522 if (*cyls < GDT_MAXCYLS) { 523 *heads = GDT_MEDHEADS; 524 *secs = GDT_MEDSECS; 525 } else { 526 /* Too high for 127 * 63 */ 527 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; 528 *heads = GDT_BIGHEADS; 529 *secs = GDT_BIGSECS; 530 } 531 } 532 } 533 534 static int 535 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, 536 int timeout) 537 { 538 int rv = 0; 539 540 GDT_DPRINTF(GDT_D_INIT, 541 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); 542 543 gdt->sc_state |= GDT_POLL_WAIT; 544 do { 545 iir_intr(gdt); 546 if (gdt == gdt_wait_gdt && 547 gccb->gc_cmd_index == gdt_wait_index) { 548 rv = 1; 549 break; 550 } 551 DELAY(1); 552 } while (--timeout); 553 gdt->sc_state &= ~GDT_POLL_WAIT; 554 555 while (gdt->sc_test_busy(gdt)) 556 DELAY(1); /* XXX correct? */ 557 558 return (rv); 559 } 560 561 static int 562 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 563 u_int8_t service, u_int16_t opcode, 564 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 565 { 566 int retries; 567 568 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", 569 gdt, service, opcode, arg1, arg2, arg3)); 570 571 bzero(gdt->sc_cmd, GDT_CMD_SZ); 572 573 for (retries = GDT_RETRIES; ; ) { 574 gccb->gc_service = service; 575 gccb->gc_flags = GDT_GCF_INTERNAL; 576 577 gdt->sc_set_sema0(gdt); 578 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 579 gccb->gc_cmd_index); 580 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); 581 582 switch (service) { 583 case GDT_CACHESERVICE: 584 if (opcode == GDT_IOCTL) { 585 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 586 GDT_IOCTL_SUBFUNC, arg1); 587 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 588 GDT_IOCTL_CHANNEL, arg2); 589 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + 590 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); 591 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 592 gdt_ccb_vtop(gdt, gccb) + 593 offsetof(struct gdt_ccb, gc_scratch[0])); 594 } else { 595 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + 596 GDT_CACHE_DEVICENO, (u_int16_t)arg1); 597 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 598 GDT_CACHE_BLOCKNO, arg2); 599 } 600 break; 601 602 case GDT_SCSIRAWSERVICE: 603 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 604 GDT_RAW_DIRECTION, arg1); 605 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 606 (u_int8_t)arg2; 607 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 608 (u_int8_t)arg3; 609 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 610 (u_int8_t)(arg3 >> 8); 611 } 612 613 gdt->sc_cmd_len = GDT_CMD_SZ; 614 gdt->sc_cmd_off = 0; 615 gdt->sc_cmd_cnt = 0; 616 gdt->sc_copy_cmd(gdt, gccb); 617 gdt->sc_release_event(gdt); 618 DELAY(20); 619 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) 620 return (0); 621 if (gdt->sc_status != GDT_S_BSY || --retries == 0) 622 break; 623 DELAY(1); 624 } 625 return (gdt->sc_status == GDT_S_OK); 626 } 627 628 static struct gdt_ccb * 629 gdt_get_ccb(struct gdt_softc *gdt) 630 { 631 struct gdt_ccb *gccb; 632 633 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); 634 635 crit_enter(); 636 gccb = SLIST_FIRST(&gdt->sc_free_gccb); 637 if (gccb != NULL) { 638 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); 639 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); 640 ++gdt_stat.cmd_index_act; 641 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) 642 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; 643 } 644 crit_exit(); 645 return (gccb); 646 } 647 648 void 649 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) 650 { 651 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); 652 653 crit_enter(); 654 gccb->gc_flags = GDT_GCF_UNUSED; 655 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); 656 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 657 --gdt_stat.cmd_index_act; 658 crit_exit(); 659 if (gdt->sc_state & GDT_SHUTDOWN) 660 wakeup(gccb); 661 } 662 663 static u_int32_t 664 gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb) 665 { 666 return (gdt->sc_gccb_busbase 667 + (u_int32_t)((caddr_t)gccb - (caddr_t)gdt->sc_gccbs)); 668 } 669 670 void 671 gdt_next(struct gdt_softc *gdt) 672 { 673 union ccb *ccb; 674 gdt_ucmd_t *ucmd; 675 struct cam_sim *sim; 676 int bus, target, lun; 677 int next_cmd; 678 679 struct ccb_scsiio *csio; 680 struct ccb_hdr *ccbh; 681 struct gdt_ccb *gccb = NULL; 682 u_int8_t cmd; 683 684 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); 685 686 crit_enter(); 687 if (gdt->sc_test_busy(gdt)) { 688 if (!(gdt->sc_state & GDT_POLLING)) { 689 crit_exit(); 690 return; 691 } 692 while (gdt->sc_test_busy(gdt)) 693 DELAY(1); 694 } 695 696 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; 697 next_cmd = TRUE; 698 for (;;) { 699 /* I/Os in queue? controller ready? */ 700 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && 701 !TAILQ_FIRST(&gdt->sc_ccb_queue)) 702 break; 703 704 /* 1.: I/Os without ccb (IOCTLs) */ 705 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); 706 if (ucmd != NULL) { 707 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); 708 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) { 709 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 710 break; 711 } 712 break; 713 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ 714 } 715 716 /* 2.: I/Os with ccb */ 717 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); 718 /* ist dann immer != NULL, da oben getestet */ 719 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 720 bus = cam_sim_bus(sim); 721 target = ccb->ccb_h.target_id; 722 lun = ccb->ccb_h.target_lun; 723 724 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 725 --gdt_stat.req_queue_act; 726 /* ccb->ccb_h.func_code is XPT_SCSI_IO */ 727 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", 728 ccb->ccb_h.flags)); 729 csio = &ccb->csio; 730 ccbh = &ccb->ccb_h; 731 cmd = csio->cdb_io.cdb_bytes[0]; 732 /* Max CDB length is 12 bytes */ 733 if (csio->cdb_len > 12) { 734 ccbh->status = CAM_REQ_INVALID; 735 --gdt_stat.io_count_act; 736 xpt_done(ccb); 737 } else if (bus != gdt->sc_virt_bus) { 738 /* raw service command */ 739 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) { 740 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 741 sim_links.tqe); 742 ++gdt_stat.req_queue_act; 743 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 744 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 745 next_cmd = FALSE; 746 } 747 } else if (target >= GDT_MAX_HDRIVES || 748 !gdt->sc_hdr[target].hd_present || lun != 0) { 749 ccbh->status = CAM_SEL_TIMEOUT; 750 --gdt_stat.io_count_act; 751 xpt_done(ccb); 752 } else { 753 /* cache service command */ 754 if (cmd == READ_6 || cmd == WRITE_6 || 755 cmd == READ_10 || cmd == WRITE_10) { 756 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) { 757 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 758 sim_links.tqe); 759 ++gdt_stat.req_queue_act; 760 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 761 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 762 next_cmd = FALSE; 763 } 764 } else { 765 crit_exit(); 766 gdt_internal_cache_cmd(gdt, ccb); 767 crit_enter(); 768 } 769 } 770 if ((gdt->sc_state & GDT_POLLING) || !next_cmd) 771 break; 772 } 773 if (gdt->sc_cmd_cnt > 0) 774 gdt->sc_release_event(gdt); 775 776 crit_exit(); 777 778 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { 779 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); 780 } 781 } 782 783 static struct gdt_ccb * 784 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb) 785 { 786 struct gdt_ccb *gccb; 787 struct cam_sim *sim; 788 789 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); 790 791 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + 792 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 793 gdt->sc_ic_all_size) { 794 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", 795 gdt->sc_hanum)); 796 return (NULL); 797 } 798 799 bzero(gdt->sc_cmd, GDT_CMD_SZ); 800 801 gccb = gdt_get_ccb(gdt); 802 if (gccb == NULL) { 803 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n", 804 gdt->sc_hanum)); 805 return (gccb); 806 } 807 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 808 gccb->gc_ccb = ccb; 809 gccb->gc_service = GDT_SCSIRAWSERVICE; 810 gccb->gc_flags = GDT_GCF_SCSI; 811 812 if (gdt->sc_cmd_cnt == 0) 813 gdt->sc_set_sema0(gdt); 814 crit_exit(); 815 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 816 gccb->gc_cmd_index); 817 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 818 819 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 820 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 821 GDT_DATA_IN : GDT_DATA_OUT); 822 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 823 ccb->csio.dxfer_len); 824 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 825 ccb->csio.cdb_len); 826 bcopy(ccb->csio.cdb_io.cdb_bytes, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 827 ccb->csio.cdb_len); 828 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 829 ccb->ccb_h.target_id; 830 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 831 ccb->ccb_h.target_lun; 832 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 833 cam_sim_bus(sim); 834 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 835 sizeof(struct scsi_sense_data)); 836 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 837 gdt_ccb_vtop(gdt, gccb) + 838 offsetof(struct gdt_ccb, gc_scratch[0])); 839 840 /* 841 * If we have any data to send with this command, 842 * map it into bus space. 843 */ 844 /* Only use S/G if there is a transfer */ 845 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 846 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 847 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 848 int error; 849 850 /* vorher unlock von splcam() ??? */ 851 crit_enter(); 852 error = 853 bus_dmamap_load(gdt->sc_buffer_dmat, 854 gccb->gc_dmamap, 855 ccb->csio.data_ptr, 856 ccb->csio.dxfer_len, 857 gdtexecuteccb, 858 gccb, /*flags*/0); 859 if (error == EINPROGRESS) { 860 xpt_freeze_simq(sim, 1); 861 gccb->gc_state |= CAM_RELEASE_SIMQ; 862 } 863 crit_exit(); 864 } else { 865 struct bus_dma_segment seg; 866 867 /* Pointer to physical buffer */ 868 seg.ds_addr = 869 (bus_addr_t)ccb->csio.data_ptr; 870 seg.ds_len = ccb->csio.dxfer_len; 871 gdtexecuteccb(gccb, &seg, 1, 0); 872 } 873 } else { 874 struct bus_dma_segment *segs; 875 876 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 877 panic("iir%d: iir_action - Physical " 878 "segment pointers unsupported", gdt->sc_hanum); 879 880 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 881 panic("iir%d: iir_action - Virtual " 882 "segment addresses unsupported", gdt->sc_hanum); 883 884 /* Just use the segments provided */ 885 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 886 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 887 } 888 } else { 889 gdtexecuteccb(gccb, NULL, 0, 0); 890 } 891 892 crit_enter(); 893 return (gccb); 894 } 895 896 static struct gdt_ccb * 897 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb) 898 { 899 struct gdt_ccb *gccb; 900 struct cam_sim *sim; 901 u_int8_t *cmdp; 902 u_int16_t opcode; 903 u_int32_t blockno, blockcnt; 904 905 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); 906 907 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + 908 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 909 gdt->sc_ic_all_size) { 910 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", 911 gdt->sc_hanum)); 912 return (NULL); 913 } 914 915 bzero(gdt->sc_cmd, GDT_CMD_SZ); 916 917 gccb = gdt_get_ccb(gdt); 918 if (gccb == NULL) { 919 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 920 gdt->sc_hanum)); 921 return (gccb); 922 } 923 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 924 gccb->gc_ccb = ccb; 925 gccb->gc_service = GDT_CACHESERVICE; 926 gccb->gc_flags = GDT_GCF_SCSI; 927 928 if (gdt->sc_cmd_cnt == 0) 929 gdt->sc_set_sema0(gdt); 930 crit_exit(); 931 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 932 gccb->gc_cmd_index); 933 cmdp = ccb->csio.cdb_io.cdb_bytes; 934 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; 935 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) 936 opcode = GDT_WRITE_THR; 937 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); 938 939 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 940 ccb->ccb_h.target_id); 941 if (ccb->csio.cdb_len == 6) { 942 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; 943 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); 944 blockcnt = rw->length ? rw->length : 0x100; 945 } else { 946 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; 947 blockno = scsi_4btoul(rw->addr); 948 blockcnt = scsi_2btoul(rw->length); 949 } 950 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 951 blockno); 952 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 953 blockcnt); 954 955 /* 956 * If we have any data to send with this command, 957 * map it into bus space. 958 */ 959 /* Only use S/G if there is a transfer */ 960 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 961 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 962 int error; 963 964 /* vorher unlock von splcam() ??? */ 965 crit_enter(); 966 error = 967 bus_dmamap_load(gdt->sc_buffer_dmat, 968 gccb->gc_dmamap, 969 ccb->csio.data_ptr, 970 ccb->csio.dxfer_len, 971 gdtexecuteccb, 972 gccb, /*flags*/0); 973 if (error == EINPROGRESS) { 974 xpt_freeze_simq(sim, 1); 975 gccb->gc_state |= CAM_RELEASE_SIMQ; 976 } 977 crit_exit(); 978 } else { 979 struct bus_dma_segment seg; 980 981 /* Pointer to physical buffer */ 982 seg.ds_addr = 983 (bus_addr_t)ccb->csio.data_ptr; 984 seg.ds_len = ccb->csio.dxfer_len; 985 gdtexecuteccb(gccb, &seg, 1, 0); 986 } 987 } else { 988 struct bus_dma_segment *segs; 989 990 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 991 panic("iir%d: iir_action - Physical " 992 "segment pointers unsupported", gdt->sc_hanum); 993 994 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 995 panic("iir%d: iir_action - Virtual " 996 "segment addresses unsupported", gdt->sc_hanum); 997 998 /* Just use the segments provided */ 999 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 1000 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 1001 } 1002 1003 crit_enter(); 1004 return (gccb); 1005 } 1006 1007 static struct gdt_ccb * 1008 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd) 1009 { 1010 struct gdt_ccb *gccb; 1011 u_int32_t cnt; 1012 1013 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); 1014 1015 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1016 1017 gccb = gdt_get_ccb(gdt); 1018 if (gccb == NULL) { 1019 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 1020 gdt->sc_hanum)); 1021 return (gccb); 1022 } 1023 gccb->gc_ucmd = ucmd; 1024 gccb->gc_service = ucmd->service; 1025 gccb->gc_flags = GDT_GCF_IOCTL; 1026 1027 /* check DPMEM space, copy data buffer from user space */ 1028 if (ucmd->service == GDT_CACHESERVICE) { 1029 if (ucmd->OpCode == GDT_IOCTL) { 1030 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, 1031 sizeof(u_int32_t)); 1032 cnt = ucmd->u.ioctl.param_size; 1033 if (cnt > GDT_SCRATCH_SZ) { 1034 printf("iir%d: Scratch buffer too small (%d/%d)\n", 1035 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1036 gdt_free_ccb(gdt, gccb); 1037 return (NULL); 1038 } 1039 } else { 1040 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1041 GDT_SG_SZ, sizeof(u_int32_t)); 1042 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1043 if (cnt > GDT_SCRATCH_SZ) { 1044 printf("iir%d: Scratch buffer too small (%d/%d)\n", 1045 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1046 gdt_free_ccb(gdt, gccb); 1047 return (NULL); 1048 } 1049 } 1050 } else { 1051 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1052 GDT_SG_SZ, sizeof(u_int32_t)); 1053 cnt = ucmd->u.raw.sdlen; 1054 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { 1055 printf("iir%d: Scratch buffer too small (%d/%d)\n", 1056 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); 1057 gdt_free_ccb(gdt, gccb); 1058 return (NULL); 1059 } 1060 } 1061 if (cnt != 0) 1062 bcopy(ucmd->data, gccb->gc_scratch, cnt); 1063 1064 if (gdt->sc_cmd_off + gdt->sc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > 1065 gdt->sc_ic_all_size) { 1066 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", 1067 gdt->sc_hanum)); 1068 gdt_free_ccb(gdt, gccb); 1069 return (NULL); 1070 } 1071 1072 if (gdt->sc_cmd_cnt == 0) 1073 gdt->sc_set_sema0(gdt); 1074 crit_exit(); 1075 1076 /* fill cmd structure */ 1077 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1078 gccb->gc_cmd_index); 1079 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, 1080 ucmd->OpCode); 1081 1082 if (ucmd->service == GDT_CACHESERVICE) { 1083 if (ucmd->OpCode == GDT_IOCTL) { 1084 /* IOCTL */ 1085 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, 1086 ucmd->u.ioctl.param_size); 1087 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, 1088 ucmd->u.ioctl.subfunc); 1089 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, 1090 ucmd->u.ioctl.channel); 1091 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 1092 gdt_ccb_vtop(gdt, gccb) + 1093 offsetof(struct gdt_ccb, gc_scratch[0])); 1094 } else { 1095 /* cache service command */ 1096 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 1097 ucmd->u.cache.DeviceNo); 1098 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 1099 ucmd->u.cache.BlockNo); 1100 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 1101 ucmd->u.cache.BlockCnt); 1102 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1103 0xffffffffUL); 1104 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1105 1); 1106 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1107 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + 1108 offsetof(struct gdt_ccb, gc_scratch[0])); 1109 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1110 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); 1111 } 1112 } else { 1113 /* raw service command */ 1114 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 1115 ucmd->u.raw.direction); 1116 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1117 0xffffffffUL); 1118 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 1119 ucmd->u.raw.sdlen); 1120 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 1121 ucmd->u.raw.clen); 1122 bcopy(ucmd->u.raw.cmd, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 1123 12); 1124 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 1125 ucmd->u.raw.target; 1126 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 1127 ucmd->u.raw.lun; 1128 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 1129 ucmd->u.raw.bus; 1130 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 1131 ucmd->u.raw.sense_len); 1132 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 1133 gdt_ccb_vtop(gdt, gccb) + 1134 offsetof(struct gdt_ccb, gc_scratch[ucmd->u.raw.sdlen])); 1135 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1136 1); 1137 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1138 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + 1139 offsetof(struct gdt_ccb, gc_scratch[0])); 1140 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1141 GDT_SG_LEN, ucmd->u.raw.sdlen); 1142 } 1143 1144 crit_enter(); 1145 gdt_stat.sg_count_act = 1; 1146 gdt->sc_copy_cmd(gdt, gccb); 1147 return (gccb); 1148 } 1149 1150 static void 1151 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) 1152 { 1153 int t; 1154 1155 t = ccb->ccb_h.target_id; 1156 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", 1157 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); 1158 1159 switch (ccb->csio.cdb_io.cdb_bytes[0]) { 1160 case TEST_UNIT_READY: 1161 case START_STOP: 1162 break; 1163 case REQUEST_SENSE: 1164 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); 1165 break; 1166 case INQUIRY: 1167 { 1168 struct scsi_inquiry_data *inq; 1169 1170 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr; 1171 bzero(inq, sizeof(struct scsi_inquiry_data)); 1172 inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ? 1173 T_CDROM : T_DIRECT; 1174 inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; 1175 inq->version = SCSI_REV_2; 1176 inq->response_format = 2; 1177 inq->additional_length = 32; 1178 inq->flags = SID_CmdQue | SID_Sync; 1179 strcpy(inq->vendor, "IIR "); 1180 sprintf(inq->product, "Host Drive #%02d", t); 1181 strcpy(inq->revision, " "); 1182 break; 1183 } 1184 case MODE_SENSE_6: 1185 { 1186 struct mpd_data { 1187 struct scsi_mode_hdr_6 hd; 1188 struct scsi_mode_block_descr bd; 1189 struct scsi_control_page cp; 1190 } *mpd; 1191 u_int8_t page; 1192 1193 mpd = (struct mpd_data *)ccb->csio.data_ptr; 1194 bzero(mpd, sizeof(struct mpd_data)); 1195 mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) + 1196 sizeof(struct scsi_mode_block_descr); 1197 mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; 1198 mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr); 1199 mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; 1200 mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; 1201 mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); 1202 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; 1203 switch (page) { 1204 default: 1205 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); 1206 break; 1207 } 1208 break; 1209 } 1210 case READ_CAPACITY: 1211 { 1212 struct scsi_read_capacity_data *rcd; 1213 1214 rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr; 1215 bzero(rcd, sizeof(struct scsi_read_capacity_data)); 1216 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr); 1217 scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length); 1218 break; 1219 } 1220 default: 1221 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", 1222 ccb->csio.cdb_io.cdb_bytes[0])); 1223 break; 1224 } 1225 ccb->ccb_h.status = CAM_REQ_CMP; 1226 --gdt_stat.io_count_act; 1227 xpt_done(ccb); 1228 } 1229 1230 static void 1231 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1232 { 1233 bus_addr_t *busaddrp; 1234 1235 busaddrp = (bus_addr_t *)arg; 1236 *busaddrp = dm_segs->ds_addr; 1237 } 1238 1239 static void 1240 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1241 { 1242 struct gdt_ccb *gccb; 1243 union ccb *ccb; 1244 struct gdt_softc *gdt; 1245 int i; 1246 1247 crit_enter(); 1248 1249 gccb = (struct gdt_ccb *)arg; 1250 ccb = gccb->gc_ccb; 1251 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); 1252 1253 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", 1254 gdt, gccb, dm_segs, nseg, error)); 1255 gdt_stat.sg_count_act = nseg; 1256 if (nseg > gdt_stat.sg_count_max) 1257 gdt_stat.sg_count_max = nseg; 1258 1259 /* Copy the segments into our SG list */ 1260 if (gccb->gc_service == GDT_CACHESERVICE) { 1261 for (i = 0; i < nseg; ++i) { 1262 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1263 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1264 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1265 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1266 dm_segs++; 1267 } 1268 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1269 nseg); 1270 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1271 0xffffffffUL); 1272 1273 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1274 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1275 } else { 1276 for (i = 0; i < nseg; ++i) { 1277 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1278 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1279 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1280 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1281 dm_segs++; 1282 } 1283 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1284 nseg); 1285 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1286 0xffffffffUL); 1287 1288 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1289 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1290 } 1291 1292 if (nseg != 0) { 1293 bus_dmasync_op_t op; 1294 1295 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1296 op = BUS_DMASYNC_PREREAD; 1297 else 1298 op = BUS_DMASYNC_PREWRITE; 1299 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); 1300 } 1301 1302 /* We must NOT abort the command here if CAM_REQ_INPROG is not set, 1303 * because command semaphore is already set! 1304 */ 1305 1306 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1307 /* timeout handling */ 1308 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000, 1309 iir_timeout, gccb); 1310 1311 gdt->sc_copy_cmd(gdt, gccb); 1312 crit_exit(); 1313 } 1314 1315 1316 static void 1317 iir_action( struct cam_sim *sim, union ccb *ccb ) 1318 { 1319 struct gdt_softc *gdt; 1320 int bus, target, lun; 1321 1322 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1323 ccb->ccb_h.ccb_sim_ptr = sim; 1324 bus = cam_sim_bus(sim); 1325 target = ccb->ccb_h.target_id; 1326 lun = ccb->ccb_h.target_lun; 1327 GDT_DPRINTF(GDT_D_CMD, 1328 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n", 1329 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0], 1330 bus, target, lun)); 1331 ++gdt_stat.io_count_act; 1332 if (gdt_stat.io_count_act > gdt_stat.io_count_max) 1333 gdt_stat.io_count_max = gdt_stat.io_count_act; 1334 1335 switch (ccb->ccb_h.func_code) { 1336 case XPT_SCSI_IO: 1337 crit_enter(); 1338 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1339 ++gdt_stat.req_queue_act; 1340 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1341 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1342 crit_exit(); 1343 gdt_next(gdt); 1344 break; 1345 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1346 case XPT_ABORT: /* Abort the specified CCB */ 1347 /* XXX Implement */ 1348 ccb->ccb_h.status = CAM_REQ_INVALID; 1349 --gdt_stat.io_count_act; 1350 xpt_done(ccb); 1351 break; 1352 case XPT_SET_TRAN_SETTINGS: 1353 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1354 --gdt_stat.io_count_act; 1355 xpt_done(ccb); 1356 break; 1357 case XPT_GET_TRAN_SETTINGS: 1358 /* Get default/user set transfer settings for the target */ 1359 { 1360 struct ccb_trans_settings *cts; 1361 u_int target_mask; 1362 1363 cts = &ccb->cts; 1364 target_mask = 0x01 << target; 1365 if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) { 1366 cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB; 1367 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 1368 cts->sync_period = 25; /* 10MHz */ 1369 if (cts->sync_period != 0) 1370 cts->sync_offset = 15; 1371 1372 cts->valid = CCB_TRANS_SYNC_RATE_VALID 1373 | CCB_TRANS_SYNC_OFFSET_VALID 1374 | CCB_TRANS_BUS_WIDTH_VALID 1375 | CCB_TRANS_DISC_VALID 1376 | CCB_TRANS_TQ_VALID; 1377 ccb->ccb_h.status = CAM_REQ_CMP; 1378 } else { 1379 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1380 } 1381 --gdt_stat.io_count_act; 1382 xpt_done(ccb); 1383 break; 1384 } 1385 case XPT_CALC_GEOMETRY: 1386 { 1387 struct ccb_calc_geometry *ccg; 1388 u_int32_t secs_per_cylinder; 1389 1390 ccg = &ccb->ccg; 1391 ccg->heads = gdt->sc_hdr[target].hd_heads; 1392 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs; 1393 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1394 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1395 ccb->ccb_h.status = CAM_REQ_CMP; 1396 --gdt_stat.io_count_act; 1397 xpt_done(ccb); 1398 break; 1399 } 1400 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1401 { 1402 /* XXX Implement */ 1403 ccb->ccb_h.status = CAM_REQ_CMP; 1404 --gdt_stat.io_count_act; 1405 xpt_done(ccb); 1406 break; 1407 } 1408 case XPT_TERM_IO: /* Terminate the I/O process */ 1409 /* XXX Implement */ 1410 ccb->ccb_h.status = CAM_REQ_INVALID; 1411 --gdt_stat.io_count_act; 1412 xpt_done(ccb); 1413 break; 1414 case XPT_PATH_INQ: /* Path routing inquiry */ 1415 { 1416 struct ccb_pathinq *cpi = &ccb->cpi; 1417 1418 cpi->version_num = 1; 1419 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 1420 cpi->hba_inquiry |= PI_WIDE_16; 1421 cpi->target_sprt = 1; 1422 cpi->hba_misc = 0; 1423 cpi->hba_eng_cnt = 0; 1424 if (bus == gdt->sc_virt_bus) 1425 cpi->max_target = GDT_MAX_HDRIVES - 1; 1426 else if (gdt->sc_class & GDT_FC) 1427 cpi->max_target = GDT_MAXID_FC - 1; 1428 else 1429 cpi->max_target = GDT_MAXID - 1; 1430 cpi->max_lun = 7; 1431 cpi->unit_number = cam_sim_unit(sim); 1432 cpi->bus_id = bus; 1433 cpi->initiator_id = 1434 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]); 1435 cpi->base_transfer_speed = 3300; 1436 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1437 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); 1438 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1439 cpi->ccb_h.status = CAM_REQ_CMP; 1440 --gdt_stat.io_count_act; 1441 xpt_done(ccb); 1442 break; 1443 } 1444 default: 1445 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", 1446 gdt, ccb->ccb_h.func_code)); 1447 ccb->ccb_h.status = CAM_REQ_INVALID; 1448 --gdt_stat.io_count_act; 1449 xpt_done(ccb); 1450 break; 1451 } 1452 } 1453 1454 static void 1455 iir_poll( struct cam_sim *sim ) 1456 { 1457 struct gdt_softc *gdt; 1458 1459 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1460 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); 1461 iir_intr(gdt); 1462 } 1463 1464 static void 1465 iir_timeout(void *arg) 1466 { 1467 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", arg)); 1468 } 1469 1470 static void 1471 iir_watchdog(void *arg) 1472 { 1473 struct gdt_softc *gdt; 1474 1475 gdt = (struct gdt_softc *)arg; 1476 GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt)); 1477 1478 { 1479 int ccbs = 0, ucmds = 0, frees = 0, pends = 0; 1480 struct gdt_ccb *p; 1481 struct ccb_hdr *h; 1482 struct gdt_ucmd *u; 1483 1484 for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL; 1485 h = TAILQ_NEXT(h, sim_links.tqe)) 1486 ccbs++; 1487 for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL; 1488 u = TAILQ_NEXT(u, links)) 1489 ucmds++; 1490 for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL; 1491 p = SLIST_NEXT(p, sle)) 1492 frees++; 1493 for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL; 1494 p = SLIST_NEXT(p, sle)) 1495 pends++; 1496 1497 GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n", 1498 ccbs, ucmds, frees, pends)); 1499 } 1500 1501 callout_reset(&gdt->watchdog_timer, hz * 15, iir_watchdog, gdt); 1502 } 1503 1504 static void 1505 iir_shutdown( void *arg, int howto ) 1506 { 1507 struct gdt_softc *gdt; 1508 struct gdt_ccb *gccb; 1509 gdt_ucmd_t *ucmd; 1510 int i; 1511 1512 gdt = (struct gdt_softc *)arg; 1513 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); 1514 1515 printf("iir%d: Flushing all Host Drives. Please wait ... ", 1516 gdt->sc_hanum); 1517 1518 /* allocate ucmd buffer */ 1519 ucmd = malloc(sizeof(gdt_ucmd_t), M_DEVBUF, M_INTWAIT | M_ZERO); 1520 1521 /* wait for pending IOs */ 1522 crit_enter(); 1523 gdt->sc_state = GDT_SHUTDOWN; 1524 crit_exit(); 1525 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) 1526 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz); 1527 1528 /* flush */ 1529 for (i = 0; i < GDT_MAX_HDRIVES; ++i) { 1530 if (gdt->sc_hdr[i].hd_present) { 1531 ucmd->service = GDT_CACHESERVICE; 1532 ucmd->OpCode = GDT_FLUSH; 1533 ucmd->u.cache.DeviceNo = i; 1534 crit_enter(); 1535 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); 1536 ucmd->complete_flag = FALSE; 1537 crit_exit(); 1538 gdt_next(gdt); 1539 if (!ucmd->complete_flag) 1540 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz); 1541 } 1542 } 1543 1544 free(ucmd, M_DEVBUF); 1545 printf("Done.\n"); 1546 } 1547 1548 void 1549 iir_intr(void *arg) 1550 { 1551 struct gdt_softc *gdt = arg; 1552 struct gdt_intr_ctx ctx; 1553 struct gdt_ccb *gccb; 1554 gdt_ucmd_t *ucmd; 1555 u_int32_t cnt; 1556 1557 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); 1558 1559 /* If polling and we were not called from gdt_wait, just return */ 1560 if ((gdt->sc_state & GDT_POLLING) && 1561 !(gdt->sc_state & GDT_POLL_WAIT)) 1562 return; 1563 1564 if (!(gdt->sc_state & GDT_POLLING)) 1565 crit_enter(); 1566 gdt_wait_index = 0; 1567 1568 ctx.istatus = gdt->sc_get_status(gdt); 1569 if (!ctx.istatus) { 1570 if (!(gdt->sc_state & GDT_POLLING)) 1571 crit_exit(); 1572 gdt->sc_status = GDT_S_NO_STATUS; 1573 return; 1574 } 1575 1576 gdt->sc_intr(gdt, &ctx); 1577 1578 gdt->sc_status = ctx.cmd_status; 1579 gdt->sc_service = ctx.service; 1580 gdt->sc_info = ctx.info; 1581 gdt->sc_info2 = ctx.info2; 1582 1583 if (gdt->sc_state & GDT_POLL_WAIT) { 1584 gdt_wait_gdt = gdt; 1585 gdt_wait_index = ctx.istatus; 1586 } 1587 1588 if (ctx.istatus == GDT_ASYNCINDEX) { 1589 gdt_async_event(gdt, ctx.service); 1590 if (!(gdt->sc_state & GDT_POLLING)) 1591 crit_exit(); 1592 return; 1593 } 1594 if (ctx.istatus == GDT_SPEZINDEX) { 1595 GDT_DPRINTF(GDT_D_INVALID, 1596 ("iir%d: Service unknown or not initialized!\n", 1597 gdt->sc_hanum)); 1598 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1599 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1600 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); 1601 if (!(gdt->sc_state & GDT_POLLING)) 1602 crit_exit(); 1603 return; 1604 } 1605 1606 gccb = &gdt->sc_gccbs[ctx.istatus - 2]; 1607 ctx.service = gccb->gc_service; 1608 1609 switch (gccb->gc_flags) { 1610 case GDT_GCF_UNUSED: 1611 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", 1612 gdt->sc_hanum, ctx.istatus)); 1613 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1614 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1615 gdt->sc_dvr.eu.driver.index = ctx.istatus; 1616 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); 1617 gdt_free_ccb(gdt, gccb); 1618 /* fallthrough */ 1619 1620 case GDT_GCF_INTERNAL: 1621 if (!(gdt->sc_state & GDT_POLLING)) 1622 crit_exit(); 1623 break; 1624 1625 case GDT_GCF_IOCTL: 1626 ucmd = gccb->gc_ucmd; 1627 if (gdt->sc_status == GDT_S_BSY) { 1628 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", 1629 gdt, gccb)); 1630 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 1631 if (!(gdt->sc_state & GDT_POLLING)) 1632 crit_exit(); 1633 } else { 1634 ucmd->status = gdt->sc_status; 1635 ucmd->info = gdt->sc_info; 1636 ucmd->complete_flag = TRUE; 1637 if (ucmd->service == GDT_CACHESERVICE) { 1638 if (ucmd->OpCode == GDT_IOCTL) { 1639 cnt = ucmd->u.ioctl.param_size; 1640 if (cnt != 0) 1641 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1642 } else { 1643 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1644 if (cnt != 0) 1645 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1646 } 1647 } else { 1648 cnt = ucmd->u.raw.sdlen; 1649 if (cnt != 0) 1650 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1651 if (ucmd->u.raw.sense_len != 0) 1652 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1653 } 1654 gdt_free_ccb(gdt, gccb); 1655 if (!(gdt->sc_state & GDT_POLLING)) 1656 crit_exit(); 1657 /* wakeup */ 1658 wakeup(ucmd); 1659 } 1660 gdt_next(gdt); 1661 break; 1662 1663 default: 1664 gdt_free_ccb(gdt, gccb); 1665 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); 1666 if (!(gdt->sc_state & GDT_POLLING)) 1667 crit_exit(); 1668 gdt_next(gdt); 1669 break; 1670 } 1671 } 1672 1673 int 1674 gdt_async_event(struct gdt_softc *gdt, int service) 1675 { 1676 struct gdt_ccb *gccb; 1677 1678 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); 1679 1680 if (service == GDT_SCREENSERVICE) { 1681 if (gdt->sc_status == GDT_MSG_REQUEST) { 1682 while (gdt->sc_test_busy(gdt)) 1683 DELAY(1); 1684 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1685 gccb = gdt_get_ccb(gdt); 1686 if (gccb == NULL) { 1687 printf("iir%d: No free command index found\n", 1688 gdt->sc_hanum); 1689 return (1); 1690 } 1691 gccb->gc_service = service; 1692 gccb->gc_flags = GDT_GCF_SCREEN; 1693 gdt->sc_set_sema0(gdt); 1694 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1695 gccb->gc_cmd_index); 1696 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); 1697 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1698 GDT_MSG_INV_HANDLE); 1699 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1700 gdt_ccb_vtop(gdt, gccb) + 1701 offsetof(struct gdt_ccb, gc_scratch[0])); 1702 gdt->sc_cmd_off = 0; 1703 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1704 sizeof(u_int32_t)); 1705 gdt->sc_cmd_cnt = 0; 1706 gdt->sc_copy_cmd(gdt, gccb); 1707 printf("iir%d: [PCI %d/%d] ", 1708 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); 1709 gdt->sc_release_event(gdt); 1710 } 1711 1712 } else { 1713 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { 1714 gdt->sc_dvr.size = 0; 1715 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1716 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1717 /* severity and event_string already set! */ 1718 } else { 1719 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); 1720 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1721 gdt->sc_dvr.eu.async.service = service; 1722 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1723 gdt->sc_dvr.eu.async.info = gdt->sc_info; 1724 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; 1725 } 1726 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); 1727 printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); 1728 } 1729 1730 return (0); 1731 } 1732 1733 int 1734 gdt_sync_event(struct gdt_softc *gdt, int service, 1735 u_int8_t index, struct gdt_ccb *gccb) 1736 { 1737 union ccb *ccb; 1738 bus_dmasync_op_t op; 1739 1740 GDT_DPRINTF(GDT_D_INTR, 1741 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); 1742 1743 ccb = gccb->gc_ccb; 1744 1745 if (service == GDT_SCREENSERVICE) { 1746 u_int32_t msg_len; 1747 1748 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); 1749 if (msg_len) 1750 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1751 gccb->gc_scratch[GDT_SCR_MSG_EXT])) { 1752 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; 1753 printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); 1754 } 1755 1756 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && 1757 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { 1758 while (gdt->sc_test_busy(gdt)) 1759 DELAY(1); 1760 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1761 gccb = gdt_get_ccb(gdt); 1762 if (gccb == NULL) { 1763 printf("iir%d: No free command index found\n", 1764 gdt->sc_hanum); 1765 return (1); 1766 } 1767 gccb->gc_service = service; 1768 gccb->gc_flags = GDT_GCF_SCREEN; 1769 gdt->sc_set_sema0(gdt); 1770 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1771 gccb->gc_cmd_index); 1772 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); 1773 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1774 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1775 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1776 gdt_ccb_vtop(gdt, gccb) + 1777 offsetof(struct gdt_ccb, gc_scratch[0])); 1778 gdt->sc_cmd_off = 0; 1779 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1780 sizeof(u_int32_t)); 1781 gdt->sc_cmd_cnt = 0; 1782 gdt->sc_copy_cmd(gdt, gccb); 1783 gdt->sc_release_event(gdt); 1784 return (0); 1785 } 1786 1787 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1788 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { 1789 /* default answers (getchar() not possible) */ 1790 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { 1791 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); 1792 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); 1793 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; 1794 } else { 1795 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 1796 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); 1797 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); 1798 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; 1799 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; 1800 } 1801 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; 1802 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; 1803 while (gdt->sc_test_busy(gdt)) 1804 DELAY(1); 1805 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1806 gccb = gdt_get_ccb(gdt); 1807 if (gccb == NULL) { 1808 printf("iir%d: No free command index found\n", 1809 gdt->sc_hanum); 1810 return (1); 1811 } 1812 gccb->gc_service = service; 1813 gccb->gc_flags = GDT_GCF_SCREEN; 1814 gdt->sc_set_sema0(gdt); 1815 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1816 gccb->gc_cmd_index); 1817 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 1818 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1819 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1820 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1821 gdt_ccb_vtop(gdt, gccb) + 1822 offsetof(struct gdt_ccb, gc_scratch[0])); 1823 gdt->sc_cmd_off = 0; 1824 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1825 sizeof(u_int32_t)); 1826 gdt->sc_cmd_cnt = 0; 1827 gdt->sc_copy_cmd(gdt, gccb); 1828 gdt->sc_release_event(gdt); 1829 return (0); 1830 } 1831 printf("\n"); 1832 return (0); 1833 } else { 1834 callout_stop(&ccb->ccb_h.timeout_ch); 1835 if (gdt->sc_status == GDT_S_BSY) { 1836 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", 1837 gdt, gccb)); 1838 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1839 ++gdt_stat.req_queue_act; 1840 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1841 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1842 return (2); 1843 } 1844 1845 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1846 op = BUS_DMASYNC_POSTREAD; 1847 else 1848 op = BUS_DMASYNC_POSTWRITE; 1849 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); 1850 1851 ccb->csio.resid = 0; 1852 if (gdt->sc_status == GDT_S_OK) { 1853 ccb->ccb_h.status = CAM_REQ_CMP; 1854 } else { 1855 /* error */ 1856 if (gccb->gc_service == GDT_CACHESERVICE) { 1857 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; 1858 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1859 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 1860 ccb->csio.sense_data.error_code = 1861 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; 1862 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY; 1863 1864 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); 1865 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; 1866 gdt->sc_dvr.eu.sync.service = service; 1867 gdt->sc_dvr.eu.sync.status = gdt->sc_status; 1868 gdt->sc_dvr.eu.sync.info = gdt->sc_info; 1869 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; 1870 if (gdt->sc_status >= 0x8000) 1871 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); 1872 else 1873 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); 1874 } else { 1875 /* raw service */ 1876 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { 1877 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1878 } else { 1879 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; 1880 ccb->csio.scsi_status = gdt->sc_info; 1881 bcopy(gccb->gc_scratch, &ccb->csio.sense_data, 1882 ccb->csio.sense_len); 1883 } 1884 } 1885 } 1886 --gdt_stat.io_count_act; 1887 xpt_done(ccb); 1888 } 1889 return (0); 1890 } 1891 1892 /* Controller event handling functions */ 1893 gdt_evt_str * 1894 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt) 1895 { 1896 gdt_evt_str *e; 1897 struct timeval tv; 1898 1899 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); 1900 if (source == 0) /* no source -> no event */ 1901 return 0; 1902 1903 if (ebuffer[elastidx].event_source == source && 1904 ebuffer[elastidx].event_idx == idx && 1905 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && 1906 !memcmp((char *)&ebuffer[elastidx].event_data.eu, 1907 (char *)&evt->eu, evt->size)) || 1908 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && 1909 !strcmp((char *)&ebuffer[elastidx].event_data.event_string, 1910 (char *)&evt->event_string)))) { 1911 e = &ebuffer[elastidx]; 1912 getmicrotime(&tv); 1913 e->last_stamp = tv.tv_sec; 1914 ++e->same_count; 1915 } else { 1916 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ 1917 ++elastidx; 1918 if (elastidx == GDT_MAX_EVENTS) 1919 elastidx = 0; 1920 if (elastidx == eoldidx) { /* reached mark ? */ 1921 ++eoldidx; 1922 if (eoldidx == GDT_MAX_EVENTS) 1923 eoldidx = 0; 1924 } 1925 } 1926 e = &ebuffer[elastidx]; 1927 e->event_source = source; 1928 e->event_idx = idx; 1929 getmicrotime(&tv); 1930 e->first_stamp = e->last_stamp = tv.tv_sec; 1931 e->same_count = 1; 1932 e->event_data = *evt; 1933 e->application = 0; 1934 } 1935 return e; 1936 } 1937 1938 int 1939 gdt_read_event(int handle, gdt_evt_str *estr) 1940 { 1941 gdt_evt_str *e; 1942 int eindex; 1943 1944 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); 1945 crit_enter(); 1946 if (handle == -1) 1947 eindex = eoldidx; 1948 else 1949 eindex = handle; 1950 estr->event_source = 0; 1951 1952 if (eindex >= GDT_MAX_EVENTS) { 1953 crit_exit(); 1954 return eindex; 1955 } 1956 e = &ebuffer[eindex]; 1957 if (e->event_source != 0) { 1958 if (eindex != elastidx) { 1959 if (++eindex == GDT_MAX_EVENTS) 1960 eindex = 0; 1961 } else { 1962 eindex = -1; 1963 } 1964 memcpy(estr, e, sizeof(gdt_evt_str)); 1965 } 1966 crit_exit(); 1967 return eindex; 1968 } 1969 1970 void 1971 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) 1972 { 1973 gdt_evt_str *e; 1974 int found = FALSE; 1975 int eindex; 1976 1977 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); 1978 crit_enter(); 1979 eindex = eoldidx; 1980 for (;;) { 1981 e = &ebuffer[eindex]; 1982 if (e->event_source == 0) 1983 break; 1984 if ((e->application & application) == 0) { 1985 e->application |= application; 1986 found = TRUE; 1987 break; 1988 } 1989 if (eindex == elastidx) 1990 break; 1991 if (++eindex == GDT_MAX_EVENTS) 1992 eindex = 0; 1993 } 1994 if (found) 1995 memcpy(estr, e, sizeof(gdt_evt_str)); 1996 else 1997 estr->event_source = 0; 1998 crit_exit(); 1999 } 2000 2001 void 2002 gdt_clear_events(void) 2003 { 2004 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); 2005 2006 eoldidx = elastidx = 0; 2007 ebuffer[0].event_source = 0; 2008 } 2009