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 1.20 2008/02/10 00:01:03 pavalos 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/clock.h> 60 #include <machine/stdarg.h> 61 62 #include <bus/cam/cam.h> 63 #include <bus/cam/cam_ccb.h> 64 #include <bus/cam/cam_sim.h> 65 #include <bus/cam/cam_xpt_sim.h> 66 #include <bus/cam/cam_debug.h> 67 #include <bus/cam/scsi/scsi_all.h> 68 #include <bus/cam/scsi/scsi_message.h> 69 70 #include <vm/vm.h> 71 #include <vm/pmap.h> 72 73 #include "iir.h" 74 75 struct gdt_softc *gdt_wait_gdt; 76 int gdt_wait_index; 77 78 #ifdef GDT_DEBUG 79 int gdt_debug = GDT_DEBUG; 80 #ifdef __SERIAL__ 81 #define MAX_SERBUF 160 82 static void ser_init(void); 83 static void ser_puts(char *str); 84 static void ser_putc(int c); 85 static char strbuf[MAX_SERBUF+1]; 86 #ifdef __COM2__ 87 #define COM_BASE 0x2f8 88 #else 89 #define COM_BASE 0x3f8 90 #endif 91 static void ser_init() 92 { 93 unsigned port=COM_BASE; 94 95 outb(port+3, 0x80); 96 outb(port+1, 0); 97 /* 19200 Baud, if 9600: outb(12,port) */ 98 outb(port, 6); 99 outb(port+3, 3); 100 outb(port+1, 0); 101 } 102 103 static void ser_puts(char *str) 104 { 105 char *ptr; 106 107 ser_init(); 108 for (ptr=str;*ptr;++ptr) 109 ser_putc((int)(*ptr)); 110 } 111 112 static void ser_putc(int c) 113 { 114 unsigned port=COM_BASE; 115 116 while ((inb(port+5) & 0x20)==0); 117 outb(port, c); 118 if (c==0x0a) 119 { 120 while ((inb(port+5) & 0x20)==0); 121 outb(port, 0x0d); 122 } 123 } 124 125 int 126 ser_kprintf(const char *fmt, ...) 127 { 128 __va_list args; 129 int i; 130 131 __va_start(args,fmt); 132 i = kvsprintf(strbuf,fmt,args); 133 ser_puts(strbuf); 134 __va_end(args); 135 return i; 136 } 137 #endif 138 #endif 139 140 /* The linked list of softc structures */ 141 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs); 142 /* controller cnt. */ 143 int gdt_cnt = 0; 144 /* event buffer */ 145 static gdt_evt_str ebuffer[GDT_MAX_EVENTS]; 146 static int elastidx, eoldidx; 147 /* statistics */ 148 gdt_statist_t gdt_stat; 149 150 /* Definitions for our use of the SIM private CCB area */ 151 #define ccb_sim_ptr spriv_ptr0 152 #define ccb_priority spriv_field1 153 154 static void iir_action(struct cam_sim *sim, union ccb *ccb); 155 static void iir_poll(struct cam_sim *sim); 156 static void iir_shutdown(void *arg, int howto); 157 static void iir_timeout(void *arg); 158 static void iir_watchdog(void *arg); 159 160 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, 161 int *secs); 162 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 163 u_int8_t service, u_int16_t opcode, 164 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); 165 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb, 166 int timeout); 167 168 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt); 169 static u_int32_t gdt_ccb_vtop(struct gdt_softc *gdt, 170 struct gdt_ccb *gccb); 171 172 static int gdt_sync_event(struct gdt_softc *gdt, int service, 173 u_int8_t index, struct gdt_ccb *gccb); 174 static int gdt_async_event(struct gdt_softc *gdt, int service); 175 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb); 176 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb); 177 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd); 178 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb); 179 180 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, 181 int nseg, int error); 182 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, 183 int nseg, int error); 184 185 int 186 iir_init(struct gdt_softc *gdt) 187 { 188 u_int16_t cdev_cnt; 189 int i, id, drv_cyls, drv_hds, drv_secs; 190 struct gdt_ccb *gccb; 191 192 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n")); 193 194 gdt->sc_state = GDT_POLLING; 195 gdt_clear_events(); 196 bzero(&gdt_stat, sizeof(gdt_statist_t)); 197 198 SLIST_INIT(&gdt->sc_free_gccb); 199 SLIST_INIT(&gdt->sc_pending_gccb); 200 TAILQ_INIT(&gdt->sc_ccb_queue); 201 TAILQ_INIT(&gdt->sc_ucmd_queue); 202 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links); 203 204 /* DMA tag for mapping buffers into device visible space. */ 205 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 206 /*lowaddr*/BUS_SPACE_MAXADDR, 207 /*highaddr*/BUS_SPACE_MAXADDR, 208 /*filter*/NULL, /*filterarg*/NULL, 209 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG, 210 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 211 /*flags*/BUS_DMA_ALLOCNOW, 212 &gdt->sc_buffer_dmat) != 0) { 213 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n", 214 gdt->sc_hanum); 215 return (1); 216 } 217 gdt->sc_init_level++; 218 219 /* DMA tag for our ccb structures */ 220 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 221 /*lowaddr*/BUS_SPACE_MAXADDR, 222 /*highaddr*/BUS_SPACE_MAXADDR, 223 /*filter*/NULL, /*filterarg*/NULL, 224 GDT_MAXCMDS * sizeof(struct gdt_ccb), 225 /*nsegments*/1, 226 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 227 /*flags*/0, &gdt->sc_gccb_dmat) != 0) { 228 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_gccb_dmat) failed\n", 229 gdt->sc_hanum); 230 return (1); 231 } 232 gdt->sc_init_level++; 233 234 /* Allocation for our ccbs */ 235 if (bus_dmamem_alloc(gdt->sc_gccb_dmat, (void **)&gdt->sc_gccbs, 236 BUS_DMA_NOWAIT, &gdt->sc_gccb_dmamap) != 0) { 237 kprintf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n", 238 gdt->sc_hanum); 239 return (1); 240 } 241 gdt->sc_init_level++; 242 243 /* And permanently map them */ 244 bus_dmamap_load(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap, 245 gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb), 246 gdtmapmem, &gdt->sc_gccb_busbase, /*flags*/0); 247 gdt->sc_init_level++; 248 249 /* Clear them out. */ 250 bzero(gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb)); 251 252 /* Initialize the ccbs */ 253 for (i = GDT_MAXCMDS-1; i >= 0; i--) { 254 gdt->sc_gccbs[i].gc_cmd_index = i + 2; 255 gdt->sc_gccbs[i].gc_flags = GDT_GCF_UNUSED; 256 gdt->sc_gccbs[i].gc_map_flag = FALSE; 257 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0, 258 &gdt->sc_gccbs[i].gc_dmamap) != 0) 259 return(1); 260 gdt->sc_gccbs[i].gc_map_flag = TRUE; 261 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, &gdt->sc_gccbs[i], sle); 262 } 263 gdt->sc_init_level++; 264 265 /* create the control device */ 266 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum); 267 268 /* allocate ccb for gdt_internal_cmd() */ 269 gccb = gdt_get_ccb(gdt); 270 if (gccb == NULL) { 271 kprintf("iir%d: No free command index found\n", 272 gdt->sc_hanum); 273 return (1); 274 } 275 276 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT, 277 0, 0, 0)) { 278 kprintf("iir%d: Screen service initialization error %d\n", 279 gdt->sc_hanum, gdt->sc_status); 280 gdt_free_ccb(gdt, gccb); 281 return (1); 282 } 283 284 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, 285 GDT_LINUX_OS, 0, 0)) { 286 kprintf("iir%d: Cache service initialization error %d\n", 287 gdt->sc_hanum, gdt->sc_status); 288 gdt_free_ccb(gdt, gccb); 289 return (1); 290 } 291 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO, 292 0, 0, 0); 293 294 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_MOUNT, 295 0xffff, 1, 0)) { 296 kprintf("iir%d: Cache service mount error %d\n", 297 gdt->sc_hanum, gdt->sc_status); 298 gdt_free_ccb(gdt, gccb); 299 return (1); 300 } 301 302 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, 303 GDT_LINUX_OS, 0, 0)) { 304 kprintf("iir%d: Cache service post-mount initialization error %d\n", 305 gdt->sc_hanum, gdt->sc_status); 306 gdt_free_ccb(gdt, gccb); 307 return (1); 308 } 309 cdev_cnt = (u_int16_t)gdt->sc_info; 310 gdt->sc_fw_vers = gdt->sc_service; 311 312 /* Detect number of buses */ 313 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST); 314 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS; 315 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0; 316 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1; 317 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ); 318 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 319 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL, 320 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) { 321 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT]; 322 for (i = 0; i < gdt->sc_bus_cnt; i++) { 323 id = gccb->gc_scratch[GDT_IOC_HDR_SZ + 324 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID]; 325 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff; 326 } 327 } else { 328 /* New method failed, use fallback. */ 329 for (i = 0; i < GDT_MAXBUS; i++) { 330 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i); 331 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 332 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN, 333 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL, 334 GDT_GETCH_SZ)) { 335 if (i == 0) { 336 kprintf("iir%d: Cannot get channel count, " 337 "error %d\n", gdt->sc_hanum, gdt->sc_status); 338 gdt_free_ccb(gdt, gccb); 339 return (1); 340 } 341 break; 342 } 343 gdt->sc_bus_id[i] = 344 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ? 345 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff; 346 } 347 gdt->sc_bus_cnt = i; 348 } 349 /* add one "virtual" channel for the host drives */ 350 gdt->sc_virt_bus = gdt->sc_bus_cnt; 351 gdt->sc_bus_cnt++; 352 353 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT, 354 0, 0, 0)) { 355 kprintf("iir%d: Raw service initialization error %d\n", 356 gdt->sc_hanum, gdt->sc_status); 357 gdt_free_ccb(gdt, gccb); 358 return (1); 359 } 360 361 /* Set/get features raw service (scatter/gather) */ 362 gdt->sc_raw_feat = 0; 363 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT, 364 GDT_SCATTER_GATHER, 0, 0)) { 365 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT, 366 0, 0, 0)) { 367 gdt->sc_raw_feat = gdt->sc_info; 368 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 369 panic("iir%d: Scatter/Gather Raw Service " 370 "required but not supported!\n", gdt->sc_hanum); 371 gdt_free_ccb(gdt, gccb); 372 return (1); 373 } 374 } 375 } 376 377 /* Set/get features cache service (scatter/gather) */ 378 gdt->sc_cache_feat = 0; 379 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT, 380 0, GDT_SCATTER_GATHER, 0)) { 381 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT, 382 0, 0, 0)) { 383 gdt->sc_cache_feat = gdt->sc_info; 384 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 385 panic("iir%d: Scatter/Gather Cache Service " 386 "required but not supported!\n", gdt->sc_hanum); 387 gdt_free_ccb(gdt, gccb); 388 return (1); 389 } 390 } 391 } 392 393 /* Scan for cache devices */ 394 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) { 395 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO, 396 i, 0, 0)) { 397 gdt->sc_hdr[i].hd_present = 1; 398 gdt->sc_hdr[i].hd_size = gdt->sc_info; 399 400 /* 401 * Evaluate mapping (sectors per head, heads per cyl) 402 */ 403 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32; 404 if (gdt->sc_info2 == 0) 405 gdt_eval_mapping(gdt->sc_hdr[i].hd_size, 406 &drv_cyls, &drv_hds, &drv_secs); 407 else { 408 drv_hds = gdt->sc_info2 & 0xff; 409 drv_secs = (gdt->sc_info2 >> 8) & 0xff; 410 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds / 411 drv_secs; 412 } 413 gdt->sc_hdr[i].hd_heads = drv_hds; 414 gdt->sc_hdr[i].hd_secs = drv_secs; 415 /* Round the size */ 416 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; 417 418 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, 419 GDT_DEVTYPE, i, 0, 0)) 420 gdt->sc_hdr[i].hd_devtype = gdt->sc_info; 421 } 422 } 423 424 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n", 425 gdt->sc_dpmembase, 426 gdt->sc_bus_cnt, cdev_cnt, 427 cdev_cnt == 1 ? "" : "s")); 428 gdt_free_ccb(gdt, gccb); 429 430 gdt_cnt++; 431 return (0); 432 } 433 434 void 435 iir_free(struct gdt_softc *gdt) 436 { 437 int i; 438 439 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n")); 440 441 switch (gdt->sc_init_level) { 442 default: 443 gdt_destroy_dev(gdt->sc_dev); 444 case 5: 445 for (i = GDT_MAXCMDS-1; i >= 0; i--) 446 if (gdt->sc_gccbs[i].gc_map_flag) 447 bus_dmamap_destroy(gdt->sc_buffer_dmat, 448 gdt->sc_gccbs[i].gc_dmamap); 449 bus_dmamap_unload(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap); 450 case 4: 451 bus_dmamem_free(gdt->sc_gccb_dmat, gdt->sc_gccbs, gdt->sc_gccb_dmamap); 452 case 3: 453 bus_dma_tag_destroy(gdt->sc_gccb_dmat); 454 case 2: 455 bus_dma_tag_destroy(gdt->sc_buffer_dmat); 456 case 1: 457 bus_dma_tag_destroy(gdt->sc_parent_dmat); 458 case 0: 459 break; 460 } 461 TAILQ_REMOVE(&gdt_softcs, gdt, links); 462 } 463 464 void 465 iir_attach(struct gdt_softc *gdt) 466 { 467 struct cam_devq *devq; 468 int i; 469 470 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n")); 471 472 callout_init(&gdt->watchdog_timer); 473 /* 474 * Create the device queue for our SIM. 475 */ 476 devq = cam_simq_alloc(GDT_MAXCMDS); 477 if (devq == NULL) 478 return; 479 480 for (i = 0; i < gdt->sc_bus_cnt; i++) { 481 /* 482 * Construct our SIM entry 483 */ 484 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir", 485 gdt, gdt->sc_hanum, /*untagged*/2, 486 /*tagged*/GDT_MAXCMDS, devq); 487 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) { 488 cam_sim_free(gdt->sims[i]); 489 break; 490 } 491 492 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, 493 cam_sim_path(gdt->sims[i]), 494 CAM_TARGET_WILDCARD, 495 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 496 xpt_bus_deregister(cam_sim_path(gdt->sims[i])); 497 cam_sim_free(gdt->sims[i]); 498 break; 499 } 500 } 501 cam_simq_release(devq); 502 if (i > 0) 503 EVENTHANDLER_REGISTER(shutdown_post_sync, iir_shutdown, 504 gdt, SHUTDOWN_PRI_DRIVER); 505 /* iir_watchdog(gdt); */ 506 gdt->sc_state = GDT_NORMAL; 507 } 508 509 static void 510 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) 511 { 512 *cyls = size / GDT_HEADS / GDT_SECS; 513 if (*cyls < GDT_MAXCYLS) { 514 *heads = GDT_HEADS; 515 *secs = GDT_SECS; 516 } else { 517 /* Too high for 64 * 32 */ 518 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; 519 if (*cyls < GDT_MAXCYLS) { 520 *heads = GDT_MEDHEADS; 521 *secs = GDT_MEDSECS; 522 } else { 523 /* Too high for 127 * 63 */ 524 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; 525 *heads = GDT_BIGHEADS; 526 *secs = GDT_BIGSECS; 527 } 528 } 529 } 530 531 static int 532 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, 533 int timeout) 534 { 535 int rv = 0; 536 537 GDT_DPRINTF(GDT_D_INIT, 538 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); 539 540 gdt->sc_state |= GDT_POLL_WAIT; 541 do { 542 iir_intr(gdt); 543 if (gdt == gdt_wait_gdt && 544 gccb->gc_cmd_index == gdt_wait_index) { 545 rv = 1; 546 break; 547 } 548 DELAY(1); 549 } while (--timeout); 550 gdt->sc_state &= ~GDT_POLL_WAIT; 551 552 while (gdt->sc_test_busy(gdt)) 553 DELAY(1); /* XXX correct? */ 554 555 return (rv); 556 } 557 558 static int 559 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 560 u_int8_t service, u_int16_t opcode, 561 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 562 { 563 int retries; 564 565 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", 566 gdt, service, opcode, arg1, arg2, arg3)); 567 568 bzero(gdt->sc_cmd, GDT_CMD_SZ); 569 570 for (retries = GDT_RETRIES; ; ) { 571 gccb->gc_service = service; 572 gccb->gc_flags = GDT_GCF_INTERNAL; 573 574 gdt->sc_set_sema0(gdt); 575 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 576 gccb->gc_cmd_index); 577 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); 578 579 switch (service) { 580 case GDT_CACHESERVICE: 581 if (opcode == GDT_IOCTL) { 582 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 583 GDT_IOCTL_SUBFUNC, arg1); 584 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 585 GDT_IOCTL_CHANNEL, arg2); 586 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + 587 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); 588 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 589 gdt_ccb_vtop(gdt, gccb) + 590 offsetof(struct gdt_ccb, gc_scratch[0])); 591 } else { 592 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + 593 GDT_CACHE_DEVICENO, (u_int16_t)arg1); 594 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 595 GDT_CACHE_BLOCKNO, arg2); 596 } 597 break; 598 599 case GDT_SCSIRAWSERVICE: 600 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 601 GDT_RAW_DIRECTION, arg1); 602 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 603 (u_int8_t)arg2; 604 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 605 (u_int8_t)arg3; 606 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 607 (u_int8_t)(arg3 >> 8); 608 } 609 610 gdt->sc_cmd_len = GDT_CMD_SZ; 611 gdt->sc_cmd_off = 0; 612 gdt->sc_cmd_cnt = 0; 613 gdt->sc_copy_cmd(gdt, gccb); 614 gdt->sc_release_event(gdt); 615 DELAY(20); 616 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) 617 return (0); 618 if (gdt->sc_status != GDT_S_BSY || --retries == 0) 619 break; 620 DELAY(1); 621 } 622 return (gdt->sc_status == GDT_S_OK); 623 } 624 625 static struct gdt_ccb * 626 gdt_get_ccb(struct gdt_softc *gdt) 627 { 628 struct gdt_ccb *gccb; 629 630 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); 631 632 crit_enter(); 633 gccb = SLIST_FIRST(&gdt->sc_free_gccb); 634 if (gccb != NULL) { 635 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); 636 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); 637 ++gdt_stat.cmd_index_act; 638 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) 639 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; 640 } 641 crit_exit(); 642 return (gccb); 643 } 644 645 void 646 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) 647 { 648 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); 649 650 crit_enter(); 651 gccb->gc_flags = GDT_GCF_UNUSED; 652 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); 653 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 654 --gdt_stat.cmd_index_act; 655 crit_exit(); 656 if (gdt->sc_state & GDT_SHUTDOWN) 657 wakeup(gccb); 658 } 659 660 static u_int32_t 661 gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb) 662 { 663 return (gdt->sc_gccb_busbase 664 + (u_int32_t)((caddr_t)gccb - (caddr_t)gdt->sc_gccbs)); 665 } 666 667 void 668 gdt_next(struct gdt_softc *gdt) 669 { 670 union ccb *ccb; 671 gdt_ucmd_t *ucmd; 672 struct cam_sim *sim; 673 int bus, target, lun; 674 int next_cmd; 675 676 struct ccb_scsiio *csio; 677 struct ccb_hdr *ccbh; 678 struct gdt_ccb *gccb = NULL; 679 u_int8_t cmd; 680 681 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); 682 683 crit_enter(); 684 if (gdt->sc_test_busy(gdt)) { 685 if (!(gdt->sc_state & GDT_POLLING)) { 686 crit_exit(); 687 return; 688 } 689 while (gdt->sc_test_busy(gdt)) 690 DELAY(1); 691 } 692 693 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; 694 next_cmd = TRUE; 695 for (;;) { 696 /* I/Os in queue? controller ready? */ 697 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && 698 !TAILQ_FIRST(&gdt->sc_ccb_queue)) 699 break; 700 701 /* 1.: I/Os without ccb (IOCTLs) */ 702 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); 703 if (ucmd != NULL) { 704 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); 705 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) { 706 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 707 break; 708 } 709 break; 710 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ 711 } 712 713 /* 2.: I/Os with ccb */ 714 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); 715 /* ist dann immer != NULL, da oben getestet */ 716 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 717 bus = cam_sim_bus(sim); 718 target = ccb->ccb_h.target_id; 719 lun = ccb->ccb_h.target_lun; 720 721 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 722 --gdt_stat.req_queue_act; 723 /* ccb->ccb_h.func_code is XPT_SCSI_IO */ 724 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", 725 ccb->ccb_h.flags)); 726 csio = &ccb->csio; 727 ccbh = &ccb->ccb_h; 728 cmd = csio->cdb_io.cdb_bytes[0]; 729 /* Max CDB length is 12 bytes */ 730 if (csio->cdb_len > 12) { 731 ccbh->status = CAM_REQ_INVALID; 732 --gdt_stat.io_count_act; 733 xpt_done(ccb); 734 } else if (bus != gdt->sc_virt_bus) { 735 /* raw service command */ 736 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) { 737 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 738 sim_links.tqe); 739 ++gdt_stat.req_queue_act; 740 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 741 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 742 next_cmd = FALSE; 743 } 744 } else if (target >= GDT_MAX_HDRIVES || 745 !gdt->sc_hdr[target].hd_present || lun != 0) { 746 ccbh->status = CAM_SEL_TIMEOUT; 747 --gdt_stat.io_count_act; 748 xpt_done(ccb); 749 } else { 750 /* cache service command */ 751 if (cmd == READ_6 || cmd == WRITE_6 || 752 cmd == READ_10 || cmd == WRITE_10) { 753 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) { 754 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 755 sim_links.tqe); 756 ++gdt_stat.req_queue_act; 757 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 758 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 759 next_cmd = FALSE; 760 } 761 } else { 762 crit_exit(); 763 gdt_internal_cache_cmd(gdt, ccb); 764 crit_enter(); 765 } 766 } 767 if ((gdt->sc_state & GDT_POLLING) || !next_cmd) 768 break; 769 } 770 if (gdt->sc_cmd_cnt > 0) 771 gdt->sc_release_event(gdt); 772 773 crit_exit(); 774 775 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { 776 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); 777 } 778 } 779 780 static struct gdt_ccb * 781 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb) 782 { 783 struct gdt_ccb *gccb; 784 struct cam_sim *sim; 785 786 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); 787 788 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + 789 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 790 gdt->sc_ic_all_size) { 791 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", 792 gdt->sc_hanum)); 793 return (NULL); 794 } 795 796 bzero(gdt->sc_cmd, GDT_CMD_SZ); 797 798 gccb = gdt_get_ccb(gdt); 799 if (gccb == NULL) { 800 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n", 801 gdt->sc_hanum)); 802 return (gccb); 803 } 804 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 805 gccb->gc_ccb = ccb; 806 gccb->gc_service = GDT_SCSIRAWSERVICE; 807 gccb->gc_flags = GDT_GCF_SCSI; 808 809 if (gdt->sc_cmd_cnt == 0) 810 gdt->sc_set_sema0(gdt); 811 crit_exit(); 812 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 813 gccb->gc_cmd_index); 814 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 815 816 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 817 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 818 GDT_DATA_IN : GDT_DATA_OUT); 819 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 820 ccb->csio.dxfer_len); 821 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 822 ccb->csio.cdb_len); 823 bcopy(ccb->csio.cdb_io.cdb_bytes, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 824 ccb->csio.cdb_len); 825 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 826 ccb->ccb_h.target_id; 827 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 828 ccb->ccb_h.target_lun; 829 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 830 cam_sim_bus(sim); 831 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 832 sizeof(struct scsi_sense_data)); 833 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 834 gdt_ccb_vtop(gdt, gccb) + 835 offsetof(struct gdt_ccb, gc_scratch[0])); 836 837 /* 838 * If we have any data to send with this command, 839 * map it into bus space. 840 */ 841 /* Only use S/G if there is a transfer */ 842 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 843 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 844 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 845 int error; 846 847 /* vorher unlock von splcam() ??? */ 848 crit_enter(); 849 error = 850 bus_dmamap_load(gdt->sc_buffer_dmat, 851 gccb->gc_dmamap, 852 ccb->csio.data_ptr, 853 ccb->csio.dxfer_len, 854 gdtexecuteccb, 855 gccb, /*flags*/0); 856 if (error == EINPROGRESS) { 857 xpt_freeze_simq(sim, 1); 858 gccb->gc_state |= CAM_RELEASE_SIMQ; 859 } 860 crit_exit(); 861 } else { 862 struct bus_dma_segment seg; 863 864 /* Pointer to physical buffer */ 865 seg.ds_addr = 866 (bus_addr_t)ccb->csio.data_ptr; 867 seg.ds_len = ccb->csio.dxfer_len; 868 gdtexecuteccb(gccb, &seg, 1, 0); 869 } 870 } else { 871 struct bus_dma_segment *segs; 872 873 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 874 panic("iir%d: iir_action - Physical " 875 "segment pointers unsupported", gdt->sc_hanum); 876 877 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 878 panic("iir%d: iir_action - Virtual " 879 "segment addresses unsupported", gdt->sc_hanum); 880 881 /* Just use the segments provided */ 882 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 883 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 884 } 885 } else { 886 gdtexecuteccb(gccb, NULL, 0, 0); 887 } 888 889 crit_enter(); 890 return (gccb); 891 } 892 893 static struct gdt_ccb * 894 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb) 895 { 896 struct gdt_ccb *gccb; 897 struct cam_sim *sim; 898 u_int8_t *cmdp; 899 u_int16_t opcode; 900 u_int32_t blockno, blockcnt; 901 902 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); 903 904 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + 905 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 906 gdt->sc_ic_all_size) { 907 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", 908 gdt->sc_hanum)); 909 return (NULL); 910 } 911 912 bzero(gdt->sc_cmd, GDT_CMD_SZ); 913 914 gccb = gdt_get_ccb(gdt); 915 if (gccb == NULL) { 916 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 917 gdt->sc_hanum)); 918 return (gccb); 919 } 920 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 921 gccb->gc_ccb = ccb; 922 gccb->gc_service = GDT_CACHESERVICE; 923 gccb->gc_flags = GDT_GCF_SCSI; 924 925 if (gdt->sc_cmd_cnt == 0) 926 gdt->sc_set_sema0(gdt); 927 crit_exit(); 928 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 929 gccb->gc_cmd_index); 930 cmdp = ccb->csio.cdb_io.cdb_bytes; 931 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; 932 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) 933 opcode = GDT_WRITE_THR; 934 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); 935 936 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 937 ccb->ccb_h.target_id); 938 if (ccb->csio.cdb_len == 6) { 939 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; 940 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); 941 blockcnt = rw->length ? rw->length : 0x100; 942 } else { 943 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; 944 blockno = scsi_4btoul(rw->addr); 945 blockcnt = scsi_2btoul(rw->length); 946 } 947 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 948 blockno); 949 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 950 blockcnt); 951 952 /* 953 * If we have any data to send with this command, 954 * map it into bus space. 955 */ 956 /* Only use S/G if there is a transfer */ 957 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 958 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 959 int error; 960 961 /* vorher unlock von splcam() ??? */ 962 crit_enter(); 963 error = 964 bus_dmamap_load(gdt->sc_buffer_dmat, 965 gccb->gc_dmamap, 966 ccb->csio.data_ptr, 967 ccb->csio.dxfer_len, 968 gdtexecuteccb, 969 gccb, /*flags*/0); 970 if (error == EINPROGRESS) { 971 xpt_freeze_simq(sim, 1); 972 gccb->gc_state |= CAM_RELEASE_SIMQ; 973 } 974 crit_exit(); 975 } else { 976 struct bus_dma_segment seg; 977 978 /* Pointer to physical buffer */ 979 seg.ds_addr = 980 (bus_addr_t)ccb->csio.data_ptr; 981 seg.ds_len = ccb->csio.dxfer_len; 982 gdtexecuteccb(gccb, &seg, 1, 0); 983 } 984 } else { 985 struct bus_dma_segment *segs; 986 987 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 988 panic("iir%d: iir_action - Physical " 989 "segment pointers unsupported", gdt->sc_hanum); 990 991 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 992 panic("iir%d: iir_action - Virtual " 993 "segment addresses unsupported", gdt->sc_hanum); 994 995 /* Just use the segments provided */ 996 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 997 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 998 } 999 1000 crit_enter(); 1001 return (gccb); 1002 } 1003 1004 static struct gdt_ccb * 1005 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd) 1006 { 1007 struct gdt_ccb *gccb; 1008 u_int32_t cnt; 1009 1010 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); 1011 1012 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1013 1014 gccb = gdt_get_ccb(gdt); 1015 if (gccb == NULL) { 1016 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 1017 gdt->sc_hanum)); 1018 return (gccb); 1019 } 1020 gccb->gc_ucmd = ucmd; 1021 gccb->gc_service = ucmd->service; 1022 gccb->gc_flags = GDT_GCF_IOCTL; 1023 1024 /* check DPMEM space, copy data buffer from user space */ 1025 if (ucmd->service == GDT_CACHESERVICE) { 1026 if (ucmd->OpCode == GDT_IOCTL) { 1027 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, 1028 sizeof(u_int32_t)); 1029 cnt = ucmd->u.ioctl.param_size; 1030 if (cnt > GDT_SCRATCH_SZ) { 1031 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1032 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1033 gdt_free_ccb(gdt, gccb); 1034 return (NULL); 1035 } 1036 } else { 1037 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1038 GDT_SG_SZ, sizeof(u_int32_t)); 1039 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1040 if (cnt > GDT_SCRATCH_SZ) { 1041 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1042 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1043 gdt_free_ccb(gdt, gccb); 1044 return (NULL); 1045 } 1046 } 1047 } else { 1048 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1049 GDT_SG_SZ, sizeof(u_int32_t)); 1050 cnt = ucmd->u.raw.sdlen; 1051 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { 1052 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1053 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); 1054 gdt_free_ccb(gdt, gccb); 1055 return (NULL); 1056 } 1057 } 1058 if (cnt != 0) 1059 bcopy(ucmd->data, gccb->gc_scratch, cnt); 1060 1061 if (gdt->sc_cmd_off + gdt->sc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > 1062 gdt->sc_ic_all_size) { 1063 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", 1064 gdt->sc_hanum)); 1065 gdt_free_ccb(gdt, gccb); 1066 return (NULL); 1067 } 1068 1069 if (gdt->sc_cmd_cnt == 0) 1070 gdt->sc_set_sema0(gdt); 1071 crit_exit(); 1072 1073 /* fill cmd structure */ 1074 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1075 gccb->gc_cmd_index); 1076 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, 1077 ucmd->OpCode); 1078 1079 if (ucmd->service == GDT_CACHESERVICE) { 1080 if (ucmd->OpCode == GDT_IOCTL) { 1081 /* IOCTL */ 1082 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, 1083 ucmd->u.ioctl.param_size); 1084 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, 1085 ucmd->u.ioctl.subfunc); 1086 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, 1087 ucmd->u.ioctl.channel); 1088 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 1089 gdt_ccb_vtop(gdt, gccb) + 1090 offsetof(struct gdt_ccb, gc_scratch[0])); 1091 } else { 1092 /* cache service command */ 1093 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 1094 ucmd->u.cache.DeviceNo); 1095 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 1096 ucmd->u.cache.BlockNo); 1097 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 1098 ucmd->u.cache.BlockCnt); 1099 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1100 0xffffffffUL); 1101 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1102 1); 1103 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1104 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + 1105 offsetof(struct gdt_ccb, gc_scratch[0])); 1106 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1107 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); 1108 } 1109 } else { 1110 /* raw service command */ 1111 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 1112 ucmd->u.raw.direction); 1113 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1114 0xffffffffUL); 1115 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 1116 ucmd->u.raw.sdlen); 1117 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 1118 ucmd->u.raw.clen); 1119 bcopy(ucmd->u.raw.cmd, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 1120 12); 1121 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 1122 ucmd->u.raw.target; 1123 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 1124 ucmd->u.raw.lun; 1125 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 1126 ucmd->u.raw.bus; 1127 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 1128 ucmd->u.raw.sense_len); 1129 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 1130 gdt_ccb_vtop(gdt, gccb) + 1131 offsetof(struct gdt_ccb, gc_scratch[ucmd->u.raw.sdlen])); 1132 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1133 1); 1134 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1135 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + 1136 offsetof(struct gdt_ccb, gc_scratch[0])); 1137 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1138 GDT_SG_LEN, ucmd->u.raw.sdlen); 1139 } 1140 1141 crit_enter(); 1142 gdt_stat.sg_count_act = 1; 1143 gdt->sc_copy_cmd(gdt, gccb); 1144 return (gccb); 1145 } 1146 1147 static void 1148 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) 1149 { 1150 int t; 1151 1152 t = ccb->ccb_h.target_id; 1153 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", 1154 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); 1155 1156 switch (ccb->csio.cdb_io.cdb_bytes[0]) { 1157 case TEST_UNIT_READY: 1158 case START_STOP: 1159 break; 1160 case REQUEST_SENSE: 1161 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); 1162 break; 1163 case INQUIRY: 1164 { 1165 struct scsi_inquiry_data *inq; 1166 1167 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr; 1168 bzero(inq, sizeof(struct scsi_inquiry_data)); 1169 inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ? 1170 T_CDROM : T_DIRECT; 1171 inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; 1172 inq->version = SCSI_REV_2; 1173 inq->response_format = 2; 1174 inq->additional_length = 32; 1175 inq->flags = SID_CmdQue | SID_Sync; 1176 strcpy(inq->vendor, "IIR "); 1177 ksprintf(inq->product, "Host Drive #%02d", t); 1178 strcpy(inq->revision, " "); 1179 break; 1180 } 1181 case MODE_SENSE_6: 1182 { 1183 struct mpd_data { 1184 struct scsi_mode_hdr_6 hd; 1185 struct scsi_mode_block_descr bd; 1186 struct scsi_control_page cp; 1187 } *mpd; 1188 u_int8_t page; 1189 1190 mpd = (struct mpd_data *)ccb->csio.data_ptr; 1191 bzero(mpd, sizeof(struct mpd_data)); 1192 mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) + 1193 sizeof(struct scsi_mode_block_descr); 1194 mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; 1195 mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr); 1196 mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; 1197 mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; 1198 mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); 1199 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; 1200 switch (page) { 1201 default: 1202 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); 1203 break; 1204 } 1205 break; 1206 } 1207 case READ_CAPACITY: 1208 { 1209 struct scsi_read_capacity_data *rcd; 1210 1211 rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr; 1212 bzero(rcd, sizeof(struct scsi_read_capacity_data)); 1213 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr); 1214 scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length); 1215 break; 1216 } 1217 default: 1218 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", 1219 ccb->csio.cdb_io.cdb_bytes[0])); 1220 break; 1221 } 1222 ccb->ccb_h.status = CAM_REQ_CMP; 1223 --gdt_stat.io_count_act; 1224 xpt_done(ccb); 1225 } 1226 1227 static void 1228 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1229 { 1230 bus_addr_t *busaddrp; 1231 1232 busaddrp = (bus_addr_t *)arg; 1233 *busaddrp = dm_segs->ds_addr; 1234 } 1235 1236 static void 1237 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1238 { 1239 struct gdt_ccb *gccb; 1240 union ccb *ccb; 1241 struct gdt_softc *gdt; 1242 int i; 1243 1244 crit_enter(); 1245 1246 gccb = (struct gdt_ccb *)arg; 1247 ccb = gccb->gc_ccb; 1248 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); 1249 1250 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", 1251 gdt, gccb, dm_segs, nseg, error)); 1252 gdt_stat.sg_count_act = nseg; 1253 if (nseg > gdt_stat.sg_count_max) 1254 gdt_stat.sg_count_max = nseg; 1255 1256 /* Copy the segments into our SG list */ 1257 if (gccb->gc_service == GDT_CACHESERVICE) { 1258 for (i = 0; i < nseg; ++i) { 1259 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1260 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1261 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1262 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1263 dm_segs++; 1264 } 1265 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1266 nseg); 1267 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1268 0xffffffffUL); 1269 1270 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1271 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1272 } else { 1273 for (i = 0; i < nseg; ++i) { 1274 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1275 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1276 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1277 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1278 dm_segs++; 1279 } 1280 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1281 nseg); 1282 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1283 0xffffffffUL); 1284 1285 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1286 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1287 } 1288 1289 if (nseg != 0) { 1290 bus_dmasync_op_t op; 1291 1292 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1293 op = BUS_DMASYNC_PREREAD; 1294 else 1295 op = BUS_DMASYNC_PREWRITE; 1296 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); 1297 } 1298 1299 /* We must NOT abort the command here if CAM_REQ_INPROG is not set, 1300 * because command semaphore is already set! 1301 */ 1302 1303 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1304 /* timeout handling */ 1305 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000, 1306 iir_timeout, gccb); 1307 1308 gdt->sc_copy_cmd(gdt, gccb); 1309 crit_exit(); 1310 } 1311 1312 1313 static void 1314 iir_action( struct cam_sim *sim, union ccb *ccb ) 1315 { 1316 struct gdt_softc *gdt; 1317 int bus, target, lun; 1318 1319 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1320 ccb->ccb_h.ccb_sim_ptr = sim; 1321 bus = cam_sim_bus(sim); 1322 target = ccb->ccb_h.target_id; 1323 lun = ccb->ccb_h.target_lun; 1324 GDT_DPRINTF(GDT_D_CMD, 1325 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n", 1326 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0], 1327 bus, target, lun)); 1328 ++gdt_stat.io_count_act; 1329 if (gdt_stat.io_count_act > gdt_stat.io_count_max) 1330 gdt_stat.io_count_max = gdt_stat.io_count_act; 1331 1332 switch (ccb->ccb_h.func_code) { 1333 case XPT_SCSI_IO: 1334 crit_enter(); 1335 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1336 ++gdt_stat.req_queue_act; 1337 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1338 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1339 crit_exit(); 1340 gdt_next(gdt); 1341 break; 1342 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1343 case XPT_ABORT: /* Abort the specified CCB */ 1344 /* XXX Implement */ 1345 ccb->ccb_h.status = CAM_REQ_INVALID; 1346 --gdt_stat.io_count_act; 1347 xpt_done(ccb); 1348 break; 1349 case XPT_SET_TRAN_SETTINGS: 1350 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1351 --gdt_stat.io_count_act; 1352 xpt_done(ccb); 1353 break; 1354 case XPT_GET_TRAN_SETTINGS: 1355 /* Get default/user set transfer settings for the target */ 1356 { 1357 struct ccb_trans_settings *cts = &ccb->cts; 1358 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 1359 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 1360 1361 cts->protocol = PROTO_SCSI; 1362 cts->protocol_version = SCSI_REV_2; 1363 cts->transport = XPORT_SPI; 1364 cts->transport_version = 2; 1365 1366 if (cts->type == CTS_TYPE_USER_SETTINGS) { 1367 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 1368 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1369 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 1370 spi->sync_period = 25; /* 10MHz */ 1371 if (spi->sync_period != 0) 1372 spi->sync_offset = 15; 1373 1374 spi->valid = CTS_SPI_VALID_SYNC_RATE 1375 | CTS_SPI_VALID_SYNC_OFFSET 1376 | CTS_SPI_VALID_BUS_WIDTH 1377 | CTS_SPI_VALID_DISC; 1378 scsi->valid = CTS_SCSI_VALID_TQ; 1379 ccb->ccb_h.status = CAM_REQ_CMP; 1380 } else { 1381 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1382 } 1383 --gdt_stat.io_count_act; 1384 xpt_done(ccb); 1385 break; 1386 } 1387 case XPT_CALC_GEOMETRY: 1388 { 1389 struct ccb_calc_geometry *ccg; 1390 u_int32_t secs_per_cylinder; 1391 1392 ccg = &ccb->ccg; 1393 ccg->heads = gdt->sc_hdr[target].hd_heads; 1394 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs; 1395 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1396 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1397 ccb->ccb_h.status = CAM_REQ_CMP; 1398 --gdt_stat.io_count_act; 1399 xpt_done(ccb); 1400 break; 1401 } 1402 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1403 { 1404 /* XXX Implement */ 1405 ccb->ccb_h.status = CAM_REQ_CMP; 1406 --gdt_stat.io_count_act; 1407 xpt_done(ccb); 1408 break; 1409 } 1410 case XPT_TERM_IO: /* Terminate the I/O process */ 1411 /* XXX Implement */ 1412 ccb->ccb_h.status = CAM_REQ_INVALID; 1413 --gdt_stat.io_count_act; 1414 xpt_done(ccb); 1415 break; 1416 case XPT_PATH_INQ: /* Path routing inquiry */ 1417 { 1418 struct ccb_pathinq *cpi = &ccb->cpi; 1419 1420 cpi->version_num = 1; 1421 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 1422 cpi->hba_inquiry |= PI_WIDE_16; 1423 cpi->target_sprt = 1; 1424 cpi->hba_misc = 0; 1425 cpi->hba_eng_cnt = 0; 1426 if (bus == gdt->sc_virt_bus) 1427 cpi->max_target = GDT_MAX_HDRIVES - 1; 1428 else if (gdt->sc_class & GDT_FC) 1429 cpi->max_target = GDT_MAXID_FC - 1; 1430 else 1431 cpi->max_target = GDT_MAXID - 1; 1432 cpi->max_lun = 7; 1433 cpi->unit_number = cam_sim_unit(sim); 1434 cpi->bus_id = bus; 1435 cpi->initiator_id = 1436 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]); 1437 cpi->base_transfer_speed = 3300; 1438 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1439 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); 1440 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1441 cpi->transport = XPORT_SPI; 1442 cpi->transport_version = 2; 1443 cpi->protocol = PROTO_SCSI; 1444 cpi->protocol_version = SCSI_REV_2; 1445 cpi->ccb_h.status = CAM_REQ_CMP; 1446 --gdt_stat.io_count_act; 1447 xpt_done(ccb); 1448 break; 1449 } 1450 default: 1451 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", 1452 gdt, ccb->ccb_h.func_code)); 1453 ccb->ccb_h.status = CAM_REQ_INVALID; 1454 --gdt_stat.io_count_act; 1455 xpt_done(ccb); 1456 break; 1457 } 1458 } 1459 1460 static void 1461 iir_poll( struct cam_sim *sim ) 1462 { 1463 struct gdt_softc *gdt; 1464 1465 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1466 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); 1467 iir_intr(gdt); 1468 } 1469 1470 static void 1471 iir_timeout(void *arg) 1472 { 1473 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", arg)); 1474 } 1475 1476 static void 1477 iir_watchdog(void *arg) 1478 { 1479 struct gdt_softc *gdt; 1480 1481 gdt = (struct gdt_softc *)arg; 1482 GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt)); 1483 1484 { 1485 int ccbs = 0, ucmds = 0, frees = 0, pends = 0; 1486 struct gdt_ccb *p; 1487 struct ccb_hdr *h; 1488 struct gdt_ucmd *u; 1489 1490 for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL; 1491 h = TAILQ_NEXT(h, sim_links.tqe)) 1492 ccbs++; 1493 for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL; 1494 u = TAILQ_NEXT(u, links)) 1495 ucmds++; 1496 for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL; 1497 p = SLIST_NEXT(p, sle)) 1498 frees++; 1499 for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL; 1500 p = SLIST_NEXT(p, sle)) 1501 pends++; 1502 1503 GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n", 1504 ccbs, ucmds, frees, pends)); 1505 } 1506 1507 callout_reset(&gdt->watchdog_timer, hz * 15, iir_watchdog, gdt); 1508 } 1509 1510 static void 1511 iir_shutdown( void *arg, int howto ) 1512 { 1513 struct gdt_softc *gdt; 1514 struct gdt_ccb *gccb; 1515 gdt_ucmd_t *ucmd; 1516 int i; 1517 1518 gdt = (struct gdt_softc *)arg; 1519 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); 1520 1521 kprintf("iir%d: Flushing all Host Drives. Please wait ... ", 1522 gdt->sc_hanum); 1523 1524 /* allocate ucmd buffer */ 1525 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_DEVBUF, M_INTWAIT | M_ZERO); 1526 1527 /* wait for pending IOs */ 1528 crit_enter(); 1529 gdt->sc_state = GDT_SHUTDOWN; 1530 crit_exit(); 1531 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) 1532 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz); 1533 1534 /* flush */ 1535 for (i = 0; i < GDT_MAX_HDRIVES; ++i) { 1536 if (gdt->sc_hdr[i].hd_present) { 1537 ucmd->service = GDT_CACHESERVICE; 1538 ucmd->OpCode = GDT_FLUSH; 1539 ucmd->u.cache.DeviceNo = i; 1540 crit_enter(); 1541 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); 1542 ucmd->complete_flag = FALSE; 1543 crit_exit(); 1544 gdt_next(gdt); 1545 if (!ucmd->complete_flag) 1546 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz); 1547 } 1548 } 1549 1550 kfree(ucmd, M_DEVBUF); 1551 kprintf("Done.\n"); 1552 } 1553 1554 void 1555 iir_intr(void *arg) 1556 { 1557 struct gdt_softc *gdt = arg; 1558 struct gdt_intr_ctx ctx; 1559 struct gdt_ccb *gccb; 1560 gdt_ucmd_t *ucmd; 1561 u_int32_t cnt; 1562 1563 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); 1564 1565 /* If polling and we were not called from gdt_wait, just return */ 1566 if ((gdt->sc_state & GDT_POLLING) && 1567 !(gdt->sc_state & GDT_POLL_WAIT)) 1568 return; 1569 1570 if (!(gdt->sc_state & GDT_POLLING)) 1571 crit_enter(); 1572 gdt_wait_index = 0; 1573 1574 ctx.istatus = gdt->sc_get_status(gdt); 1575 if (!ctx.istatus) { 1576 if (!(gdt->sc_state & GDT_POLLING)) 1577 crit_exit(); 1578 gdt->sc_status = GDT_S_NO_STATUS; 1579 return; 1580 } 1581 1582 gdt->sc_intr(gdt, &ctx); 1583 1584 gdt->sc_status = ctx.cmd_status; 1585 gdt->sc_service = ctx.service; 1586 gdt->sc_info = ctx.info; 1587 gdt->sc_info2 = ctx.info2; 1588 1589 if (gdt->sc_state & GDT_POLL_WAIT) { 1590 gdt_wait_gdt = gdt; 1591 gdt_wait_index = ctx.istatus; 1592 } 1593 1594 if (ctx.istatus == GDT_ASYNCINDEX) { 1595 gdt_async_event(gdt, ctx.service); 1596 if (!(gdt->sc_state & GDT_POLLING)) 1597 crit_exit(); 1598 return; 1599 } 1600 if (ctx.istatus == GDT_SPEZINDEX) { 1601 GDT_DPRINTF(GDT_D_INVALID, 1602 ("iir%d: Service unknown or not initialized!\n", 1603 gdt->sc_hanum)); 1604 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1605 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1606 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); 1607 if (!(gdt->sc_state & GDT_POLLING)) 1608 crit_exit(); 1609 return; 1610 } 1611 1612 gccb = &gdt->sc_gccbs[ctx.istatus - 2]; 1613 ctx.service = gccb->gc_service; 1614 1615 switch (gccb->gc_flags) { 1616 case GDT_GCF_UNUSED: 1617 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", 1618 gdt->sc_hanum, ctx.istatus)); 1619 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1620 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1621 gdt->sc_dvr.eu.driver.index = ctx.istatus; 1622 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); 1623 gdt_free_ccb(gdt, gccb); 1624 /* fallthrough */ 1625 1626 case GDT_GCF_INTERNAL: 1627 if (!(gdt->sc_state & GDT_POLLING)) 1628 crit_exit(); 1629 break; 1630 1631 case GDT_GCF_IOCTL: 1632 ucmd = gccb->gc_ucmd; 1633 if (gdt->sc_status == GDT_S_BSY) { 1634 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", 1635 gdt, gccb)); 1636 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 1637 if (!(gdt->sc_state & GDT_POLLING)) 1638 crit_exit(); 1639 } else { 1640 ucmd->status = gdt->sc_status; 1641 ucmd->info = gdt->sc_info; 1642 ucmd->complete_flag = TRUE; 1643 if (ucmd->service == GDT_CACHESERVICE) { 1644 if (ucmd->OpCode == GDT_IOCTL) { 1645 cnt = ucmd->u.ioctl.param_size; 1646 if (cnt != 0) 1647 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1648 } else { 1649 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1650 if (cnt != 0) 1651 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1652 } 1653 } else { 1654 cnt = ucmd->u.raw.sdlen; 1655 if (cnt != 0) 1656 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1657 if (ucmd->u.raw.sense_len != 0) 1658 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1659 } 1660 gdt_free_ccb(gdt, gccb); 1661 if (!(gdt->sc_state & GDT_POLLING)) 1662 crit_exit(); 1663 /* wakeup */ 1664 wakeup(ucmd); 1665 } 1666 gdt_next(gdt); 1667 break; 1668 1669 default: 1670 gdt_free_ccb(gdt, gccb); 1671 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); 1672 if (!(gdt->sc_state & GDT_POLLING)) 1673 crit_exit(); 1674 gdt_next(gdt); 1675 break; 1676 } 1677 } 1678 1679 int 1680 gdt_async_event(struct gdt_softc *gdt, int service) 1681 { 1682 struct gdt_ccb *gccb; 1683 1684 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); 1685 1686 if (service == GDT_SCREENSERVICE) { 1687 if (gdt->sc_status == GDT_MSG_REQUEST) { 1688 while (gdt->sc_test_busy(gdt)) 1689 DELAY(1); 1690 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1691 gccb = gdt_get_ccb(gdt); 1692 if (gccb == NULL) { 1693 kprintf("iir%d: No free command index found\n", 1694 gdt->sc_hanum); 1695 return (1); 1696 } 1697 gccb->gc_service = service; 1698 gccb->gc_flags = GDT_GCF_SCREEN; 1699 gdt->sc_set_sema0(gdt); 1700 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1701 gccb->gc_cmd_index); 1702 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); 1703 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1704 GDT_MSG_INV_HANDLE); 1705 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1706 gdt_ccb_vtop(gdt, gccb) + 1707 offsetof(struct gdt_ccb, gc_scratch[0])); 1708 gdt->sc_cmd_off = 0; 1709 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1710 sizeof(u_int32_t)); 1711 gdt->sc_cmd_cnt = 0; 1712 gdt->sc_copy_cmd(gdt, gccb); 1713 kprintf("iir%d: [PCI %d/%d] ", 1714 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); 1715 gdt->sc_release_event(gdt); 1716 } 1717 1718 } else { 1719 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { 1720 gdt->sc_dvr.size = 0; 1721 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1722 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1723 /* severity and event_string already set! */ 1724 } else { 1725 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); 1726 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1727 gdt->sc_dvr.eu.async.service = service; 1728 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1729 gdt->sc_dvr.eu.async.info = gdt->sc_info; 1730 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; 1731 } 1732 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); 1733 kprintf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); 1734 } 1735 1736 return (0); 1737 } 1738 1739 int 1740 gdt_sync_event(struct gdt_softc *gdt, int service, 1741 u_int8_t index, struct gdt_ccb *gccb) 1742 { 1743 union ccb *ccb; 1744 bus_dmasync_op_t op; 1745 1746 GDT_DPRINTF(GDT_D_INTR, 1747 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); 1748 1749 ccb = gccb->gc_ccb; 1750 1751 if (service == GDT_SCREENSERVICE) { 1752 u_int32_t msg_len; 1753 1754 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); 1755 if (msg_len) 1756 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1757 gccb->gc_scratch[GDT_SCR_MSG_EXT])) { 1758 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; 1759 kprintf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); 1760 } 1761 1762 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && 1763 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { 1764 while (gdt->sc_test_busy(gdt)) 1765 DELAY(1); 1766 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1767 gccb = gdt_get_ccb(gdt); 1768 if (gccb == NULL) { 1769 kprintf("iir%d: No free command index found\n", 1770 gdt->sc_hanum); 1771 return (1); 1772 } 1773 gccb->gc_service = service; 1774 gccb->gc_flags = GDT_GCF_SCREEN; 1775 gdt->sc_set_sema0(gdt); 1776 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1777 gccb->gc_cmd_index); 1778 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); 1779 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1780 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1781 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1782 gdt_ccb_vtop(gdt, gccb) + 1783 offsetof(struct gdt_ccb, gc_scratch[0])); 1784 gdt->sc_cmd_off = 0; 1785 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1786 sizeof(u_int32_t)); 1787 gdt->sc_cmd_cnt = 0; 1788 gdt->sc_copy_cmd(gdt, gccb); 1789 gdt->sc_release_event(gdt); 1790 return (0); 1791 } 1792 1793 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1794 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { 1795 /* default answers (getchar() not possible) */ 1796 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { 1797 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); 1798 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); 1799 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; 1800 } else { 1801 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 1802 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); 1803 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); 1804 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; 1805 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; 1806 } 1807 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; 1808 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; 1809 while (gdt->sc_test_busy(gdt)) 1810 DELAY(1); 1811 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1812 gccb = gdt_get_ccb(gdt); 1813 if (gccb == NULL) { 1814 kprintf("iir%d: No free command index found\n", 1815 gdt->sc_hanum); 1816 return (1); 1817 } 1818 gccb->gc_service = service; 1819 gccb->gc_flags = GDT_GCF_SCREEN; 1820 gdt->sc_set_sema0(gdt); 1821 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1822 gccb->gc_cmd_index); 1823 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 1824 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1825 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1826 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1827 gdt_ccb_vtop(gdt, gccb) + 1828 offsetof(struct gdt_ccb, gc_scratch[0])); 1829 gdt->sc_cmd_off = 0; 1830 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1831 sizeof(u_int32_t)); 1832 gdt->sc_cmd_cnt = 0; 1833 gdt->sc_copy_cmd(gdt, gccb); 1834 gdt->sc_release_event(gdt); 1835 return (0); 1836 } 1837 kprintf("\n"); 1838 return (0); 1839 } else { 1840 callout_stop(&ccb->ccb_h.timeout_ch); 1841 if (gdt->sc_status == GDT_S_BSY) { 1842 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", 1843 gdt, gccb)); 1844 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1845 ++gdt_stat.req_queue_act; 1846 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1847 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1848 return (2); 1849 } 1850 1851 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1852 op = BUS_DMASYNC_POSTREAD; 1853 else 1854 op = BUS_DMASYNC_POSTWRITE; 1855 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); 1856 1857 ccb->csio.resid = 0; 1858 if (gdt->sc_status == GDT_S_OK) { 1859 ccb->ccb_h.status = CAM_REQ_CMP; 1860 } else { 1861 /* error */ 1862 if (gccb->gc_service == GDT_CACHESERVICE) { 1863 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; 1864 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1865 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 1866 ccb->csio.sense_data.error_code = 1867 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; 1868 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY; 1869 1870 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); 1871 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; 1872 gdt->sc_dvr.eu.sync.service = service; 1873 gdt->sc_dvr.eu.sync.status = gdt->sc_status; 1874 gdt->sc_dvr.eu.sync.info = gdt->sc_info; 1875 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; 1876 if (gdt->sc_status >= 0x8000) 1877 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); 1878 else 1879 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); 1880 } else { 1881 /* raw service */ 1882 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { 1883 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1884 } else { 1885 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; 1886 ccb->csio.scsi_status = gdt->sc_info; 1887 bcopy(gccb->gc_scratch, &ccb->csio.sense_data, 1888 ccb->csio.sense_len); 1889 } 1890 } 1891 } 1892 --gdt_stat.io_count_act; 1893 xpt_done(ccb); 1894 } 1895 return (0); 1896 } 1897 1898 /* Controller event handling functions */ 1899 gdt_evt_str * 1900 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt) 1901 { 1902 gdt_evt_str *e; 1903 struct timeval tv; 1904 1905 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); 1906 if (source == 0) /* no source -> no event */ 1907 return 0; 1908 1909 if (ebuffer[elastidx].event_source == source && 1910 ebuffer[elastidx].event_idx == idx && 1911 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && 1912 !memcmp((char *)&ebuffer[elastidx].event_data.eu, 1913 (char *)&evt->eu, evt->size)) || 1914 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && 1915 !strcmp((char *)&ebuffer[elastidx].event_data.event_string, 1916 (char *)&evt->event_string)))) { 1917 e = &ebuffer[elastidx]; 1918 getmicrotime(&tv); 1919 e->last_stamp = tv.tv_sec; 1920 ++e->same_count; 1921 } else { 1922 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ 1923 ++elastidx; 1924 if (elastidx == GDT_MAX_EVENTS) 1925 elastidx = 0; 1926 if (elastidx == eoldidx) { /* reached mark ? */ 1927 ++eoldidx; 1928 if (eoldidx == GDT_MAX_EVENTS) 1929 eoldidx = 0; 1930 } 1931 } 1932 e = &ebuffer[elastidx]; 1933 e->event_source = source; 1934 e->event_idx = idx; 1935 getmicrotime(&tv); 1936 e->first_stamp = e->last_stamp = tv.tv_sec; 1937 e->same_count = 1; 1938 e->event_data = *evt; 1939 e->application = 0; 1940 } 1941 return e; 1942 } 1943 1944 int 1945 gdt_read_event(int handle, gdt_evt_str *estr) 1946 { 1947 gdt_evt_str *e; 1948 int eindex; 1949 1950 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); 1951 crit_enter(); 1952 if (handle == -1) 1953 eindex = eoldidx; 1954 else 1955 eindex = handle; 1956 estr->event_source = 0; 1957 1958 if (eindex >= GDT_MAX_EVENTS) { 1959 crit_exit(); 1960 return eindex; 1961 } 1962 e = &ebuffer[eindex]; 1963 if (e->event_source != 0) { 1964 if (eindex != elastidx) { 1965 if (++eindex == GDT_MAX_EVENTS) 1966 eindex = 0; 1967 } else { 1968 eindex = -1; 1969 } 1970 memcpy(estr, e, sizeof(gdt_evt_str)); 1971 } 1972 crit_exit(); 1973 return eindex; 1974 } 1975 1976 void 1977 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) 1978 { 1979 gdt_evt_str *e; 1980 int found = FALSE; 1981 int eindex; 1982 1983 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); 1984 crit_enter(); 1985 eindex = eoldidx; 1986 for (;;) { 1987 e = &ebuffer[eindex]; 1988 if (e->event_source == 0) 1989 break; 1990 if ((e->application & application) == 0) { 1991 e->application |= application; 1992 found = TRUE; 1993 break; 1994 } 1995 if (eindex == elastidx) 1996 break; 1997 if (++eindex == GDT_MAX_EVENTS) 1998 eindex = 0; 1999 } 2000 if (found) 2001 memcpy(estr, e, sizeof(gdt_evt_str)); 2002 else 2003 estr->event_source = 0; 2004 crit_exit(); 2005 } 2006 2007 void 2008 gdt_clear_events(void) 2009 { 2010 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); 2011 2012 eoldidx = elastidx = 0; 2013 ebuffer[0].event_source = 0; 2014 } 2015