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 1.21 2008/05/18 20:30:23 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, &sim_mplock, 486 /*untagged*/2, 487 /*tagged*/GDT_MAXCMDS, devq); 488 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) { 489 cam_sim_free(gdt->sims[i]); 490 break; 491 } 492 493 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, 494 cam_sim_path(gdt->sims[i]), 495 CAM_TARGET_WILDCARD, 496 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 497 xpt_bus_deregister(cam_sim_path(gdt->sims[i])); 498 cam_sim_free(gdt->sims[i]); 499 break; 500 } 501 } 502 cam_simq_release(devq); 503 if (i > 0) 504 EVENTHANDLER_REGISTER(shutdown_post_sync, iir_shutdown, 505 gdt, SHUTDOWN_PRI_DRIVER); 506 /* iir_watchdog(gdt); */ 507 gdt->sc_state = GDT_NORMAL; 508 } 509 510 static void 511 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) 512 { 513 *cyls = size / GDT_HEADS / GDT_SECS; 514 if (*cyls < GDT_MAXCYLS) { 515 *heads = GDT_HEADS; 516 *secs = GDT_SECS; 517 } else { 518 /* Too high for 64 * 32 */ 519 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; 520 if (*cyls < GDT_MAXCYLS) { 521 *heads = GDT_MEDHEADS; 522 *secs = GDT_MEDSECS; 523 } else { 524 /* Too high for 127 * 63 */ 525 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; 526 *heads = GDT_BIGHEADS; 527 *secs = GDT_BIGSECS; 528 } 529 } 530 } 531 532 static int 533 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, 534 int timeout) 535 { 536 int rv = 0; 537 538 GDT_DPRINTF(GDT_D_INIT, 539 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); 540 541 gdt->sc_state |= GDT_POLL_WAIT; 542 do { 543 iir_intr(gdt); 544 if (gdt == gdt_wait_gdt && 545 gccb->gc_cmd_index == gdt_wait_index) { 546 rv = 1; 547 break; 548 } 549 DELAY(1); 550 } while (--timeout); 551 gdt->sc_state &= ~GDT_POLL_WAIT; 552 553 while (gdt->sc_test_busy(gdt)) 554 DELAY(1); /* XXX correct? */ 555 556 return (rv); 557 } 558 559 static int 560 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 561 u_int8_t service, u_int16_t opcode, 562 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 563 { 564 int retries; 565 566 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", 567 gdt, service, opcode, arg1, arg2, arg3)); 568 569 bzero(gdt->sc_cmd, GDT_CMD_SZ); 570 571 for (retries = GDT_RETRIES; ; ) { 572 gccb->gc_service = service; 573 gccb->gc_flags = GDT_GCF_INTERNAL; 574 575 gdt->sc_set_sema0(gdt); 576 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 577 gccb->gc_cmd_index); 578 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); 579 580 switch (service) { 581 case GDT_CACHESERVICE: 582 if (opcode == GDT_IOCTL) { 583 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 584 GDT_IOCTL_SUBFUNC, arg1); 585 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 586 GDT_IOCTL_CHANNEL, arg2); 587 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + 588 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); 589 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 590 gdt_ccb_vtop(gdt, gccb) + 591 offsetof(struct gdt_ccb, gc_scratch[0])); 592 } else { 593 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + 594 GDT_CACHE_DEVICENO, (u_int16_t)arg1); 595 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 596 GDT_CACHE_BLOCKNO, arg2); 597 } 598 break; 599 600 case GDT_SCSIRAWSERVICE: 601 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + 602 GDT_RAW_DIRECTION, arg1); 603 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 604 (u_int8_t)arg2; 605 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 606 (u_int8_t)arg3; 607 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 608 (u_int8_t)(arg3 >> 8); 609 } 610 611 gdt->sc_cmd_len = GDT_CMD_SZ; 612 gdt->sc_cmd_off = 0; 613 gdt->sc_cmd_cnt = 0; 614 gdt->sc_copy_cmd(gdt, gccb); 615 gdt->sc_release_event(gdt); 616 DELAY(20); 617 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) 618 return (0); 619 if (gdt->sc_status != GDT_S_BSY || --retries == 0) 620 break; 621 DELAY(1); 622 } 623 return (gdt->sc_status == GDT_S_OK); 624 } 625 626 static struct gdt_ccb * 627 gdt_get_ccb(struct gdt_softc *gdt) 628 { 629 struct gdt_ccb *gccb; 630 631 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); 632 633 crit_enter(); 634 gccb = SLIST_FIRST(&gdt->sc_free_gccb); 635 if (gccb != NULL) { 636 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); 637 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); 638 ++gdt_stat.cmd_index_act; 639 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) 640 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; 641 } 642 crit_exit(); 643 return (gccb); 644 } 645 646 void 647 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) 648 { 649 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); 650 651 crit_enter(); 652 gccb->gc_flags = GDT_GCF_UNUSED; 653 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); 654 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 655 --gdt_stat.cmd_index_act; 656 crit_exit(); 657 if (gdt->sc_state & GDT_SHUTDOWN) 658 wakeup(gccb); 659 } 660 661 static u_int32_t 662 gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb) 663 { 664 return (gdt->sc_gccb_busbase 665 + (u_int32_t)((caddr_t)gccb - (caddr_t)gdt->sc_gccbs)); 666 } 667 668 void 669 gdt_next(struct gdt_softc *gdt) 670 { 671 union ccb *ccb; 672 gdt_ucmd_t *ucmd; 673 struct cam_sim *sim; 674 int bus, target, lun; 675 int next_cmd; 676 677 struct ccb_scsiio *csio; 678 struct ccb_hdr *ccbh; 679 struct gdt_ccb *gccb = NULL; 680 u_int8_t cmd; 681 682 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); 683 684 crit_enter(); 685 if (gdt->sc_test_busy(gdt)) { 686 if (!(gdt->sc_state & GDT_POLLING)) { 687 crit_exit(); 688 return; 689 } 690 while (gdt->sc_test_busy(gdt)) 691 DELAY(1); 692 } 693 694 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; 695 next_cmd = TRUE; 696 for (;;) { 697 /* I/Os in queue? controller ready? */ 698 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && 699 !TAILQ_FIRST(&gdt->sc_ccb_queue)) 700 break; 701 702 /* 1.: I/Os without ccb (IOCTLs) */ 703 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); 704 if (ucmd != NULL) { 705 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); 706 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) { 707 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 708 break; 709 } 710 break; 711 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ 712 } 713 714 /* 2.: I/Os with ccb */ 715 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); 716 /* ist dann immer != NULL, da oben getestet */ 717 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 718 bus = cam_sim_bus(sim); 719 target = ccb->ccb_h.target_id; 720 lun = ccb->ccb_h.target_lun; 721 722 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 723 --gdt_stat.req_queue_act; 724 /* ccb->ccb_h.func_code is XPT_SCSI_IO */ 725 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", 726 ccb->ccb_h.flags)); 727 csio = &ccb->csio; 728 ccbh = &ccb->ccb_h; 729 cmd = csio->cdb_io.cdb_bytes[0]; 730 /* Max CDB length is 12 bytes */ 731 if (csio->cdb_len > 12) { 732 ccbh->status = CAM_REQ_INVALID; 733 --gdt_stat.io_count_act; 734 xpt_done(ccb); 735 } else if (bus != gdt->sc_virt_bus) { 736 /* raw service command */ 737 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) { 738 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 739 sim_links.tqe); 740 ++gdt_stat.req_queue_act; 741 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 742 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 743 next_cmd = FALSE; 744 } 745 } else if (target >= GDT_MAX_HDRIVES || 746 !gdt->sc_hdr[target].hd_present || lun != 0) { 747 ccbh->status = CAM_SEL_TIMEOUT; 748 --gdt_stat.io_count_act; 749 xpt_done(ccb); 750 } else { 751 /* cache service command */ 752 if (cmd == READ_6 || cmd == WRITE_6 || 753 cmd == READ_10 || cmd == WRITE_10) { 754 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) { 755 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 756 sim_links.tqe); 757 ++gdt_stat.req_queue_act; 758 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 759 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 760 next_cmd = FALSE; 761 } 762 } else { 763 crit_exit(); 764 gdt_internal_cache_cmd(gdt, ccb); 765 crit_enter(); 766 } 767 } 768 if ((gdt->sc_state & GDT_POLLING) || !next_cmd) 769 break; 770 } 771 if (gdt->sc_cmd_cnt > 0) 772 gdt->sc_release_event(gdt); 773 774 crit_exit(); 775 776 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { 777 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); 778 } 779 } 780 781 static struct gdt_ccb * 782 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb) 783 { 784 struct gdt_ccb *gccb; 785 struct cam_sim *sim; 786 787 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); 788 789 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + 790 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 791 gdt->sc_ic_all_size) { 792 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", 793 gdt->sc_hanum)); 794 return (NULL); 795 } 796 797 bzero(gdt->sc_cmd, GDT_CMD_SZ); 798 799 gccb = gdt_get_ccb(gdt); 800 if (gccb == NULL) { 801 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n", 802 gdt->sc_hanum)); 803 return (gccb); 804 } 805 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 806 gccb->gc_ccb = ccb; 807 gccb->gc_service = GDT_SCSIRAWSERVICE; 808 gccb->gc_flags = GDT_GCF_SCSI; 809 810 if (gdt->sc_cmd_cnt == 0) 811 gdt->sc_set_sema0(gdt); 812 crit_exit(); 813 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 814 gccb->gc_cmd_index); 815 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 816 817 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 818 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 819 GDT_DATA_IN : GDT_DATA_OUT); 820 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 821 ccb->csio.dxfer_len); 822 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 823 ccb->csio.cdb_len); 824 bcopy(ccb->csio.cdb_io.cdb_bytes, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 825 ccb->csio.cdb_len); 826 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 827 ccb->ccb_h.target_id; 828 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 829 ccb->ccb_h.target_lun; 830 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 831 cam_sim_bus(sim); 832 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 833 sizeof(struct scsi_sense_data)); 834 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 835 gdt_ccb_vtop(gdt, gccb) + 836 offsetof(struct gdt_ccb, gc_scratch[0])); 837 838 /* 839 * If we have any data to send with this command, 840 * map it into bus space. 841 */ 842 /* Only use S/G if there is a transfer */ 843 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 844 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 845 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 846 int error; 847 848 /* vorher unlock von splcam() ??? */ 849 crit_enter(); 850 error = 851 bus_dmamap_load(gdt->sc_buffer_dmat, 852 gccb->gc_dmamap, 853 ccb->csio.data_ptr, 854 ccb->csio.dxfer_len, 855 gdtexecuteccb, 856 gccb, /*flags*/0); 857 if (error == EINPROGRESS) { 858 xpt_freeze_simq(sim, 1); 859 gccb->gc_state |= CAM_RELEASE_SIMQ; 860 } 861 crit_exit(); 862 } else { 863 struct bus_dma_segment seg; 864 865 /* Pointer to physical buffer */ 866 seg.ds_addr = 867 (bus_addr_t)ccb->csio.data_ptr; 868 seg.ds_len = ccb->csio.dxfer_len; 869 gdtexecuteccb(gccb, &seg, 1, 0); 870 } 871 } else { 872 struct bus_dma_segment *segs; 873 874 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 875 panic("iir%d: iir_action - Physical " 876 "segment pointers unsupported", gdt->sc_hanum); 877 878 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 879 panic("iir%d: iir_action - Virtual " 880 "segment addresses unsupported", gdt->sc_hanum); 881 882 /* Just use the segments provided */ 883 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 884 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 885 } 886 } else { 887 gdtexecuteccb(gccb, NULL, 0, 0); 888 } 889 890 crit_enter(); 891 return (gccb); 892 } 893 894 static struct gdt_ccb * 895 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb) 896 { 897 struct gdt_ccb *gccb; 898 struct cam_sim *sim; 899 u_int8_t *cmdp; 900 u_int16_t opcode; 901 u_int32_t blockno, blockcnt; 902 903 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); 904 905 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + 906 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 907 gdt->sc_ic_all_size) { 908 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", 909 gdt->sc_hanum)); 910 return (NULL); 911 } 912 913 bzero(gdt->sc_cmd, GDT_CMD_SZ); 914 915 gccb = gdt_get_ccb(gdt); 916 if (gccb == NULL) { 917 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 918 gdt->sc_hanum)); 919 return (gccb); 920 } 921 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 922 gccb->gc_ccb = ccb; 923 gccb->gc_service = GDT_CACHESERVICE; 924 gccb->gc_flags = GDT_GCF_SCSI; 925 926 if (gdt->sc_cmd_cnt == 0) 927 gdt->sc_set_sema0(gdt); 928 crit_exit(); 929 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 930 gccb->gc_cmd_index); 931 cmdp = ccb->csio.cdb_io.cdb_bytes; 932 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; 933 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) 934 opcode = GDT_WRITE_THR; 935 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); 936 937 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 938 ccb->ccb_h.target_id); 939 if (ccb->csio.cdb_len == 6) { 940 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; 941 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); 942 blockcnt = rw->length ? rw->length : 0x100; 943 } else { 944 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; 945 blockno = scsi_4btoul(rw->addr); 946 blockcnt = scsi_2btoul(rw->length); 947 } 948 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 949 blockno); 950 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 951 blockcnt); 952 953 /* 954 * If we have any data to send with this command, 955 * map it into bus space. 956 */ 957 /* Only use S/G if there is a transfer */ 958 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 959 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 960 int error; 961 962 /* vorher unlock von splcam() ??? */ 963 crit_enter(); 964 error = 965 bus_dmamap_load(gdt->sc_buffer_dmat, 966 gccb->gc_dmamap, 967 ccb->csio.data_ptr, 968 ccb->csio.dxfer_len, 969 gdtexecuteccb, 970 gccb, /*flags*/0); 971 if (error == EINPROGRESS) { 972 xpt_freeze_simq(sim, 1); 973 gccb->gc_state |= CAM_RELEASE_SIMQ; 974 } 975 crit_exit(); 976 } else { 977 struct bus_dma_segment seg; 978 979 /* Pointer to physical buffer */ 980 seg.ds_addr = 981 (bus_addr_t)ccb->csio.data_ptr; 982 seg.ds_len = ccb->csio.dxfer_len; 983 gdtexecuteccb(gccb, &seg, 1, 0); 984 } 985 } else { 986 struct bus_dma_segment *segs; 987 988 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 989 panic("iir%d: iir_action - Physical " 990 "segment pointers unsupported", gdt->sc_hanum); 991 992 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 993 panic("iir%d: iir_action - Virtual " 994 "segment addresses unsupported", gdt->sc_hanum); 995 996 /* Just use the segments provided */ 997 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 998 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 999 } 1000 1001 crit_enter(); 1002 return (gccb); 1003 } 1004 1005 static struct gdt_ccb * 1006 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd) 1007 { 1008 struct gdt_ccb *gccb; 1009 u_int32_t cnt; 1010 1011 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); 1012 1013 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1014 1015 gccb = gdt_get_ccb(gdt); 1016 if (gccb == NULL) { 1017 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 1018 gdt->sc_hanum)); 1019 return (gccb); 1020 } 1021 gccb->gc_ucmd = ucmd; 1022 gccb->gc_service = ucmd->service; 1023 gccb->gc_flags = GDT_GCF_IOCTL; 1024 1025 /* check DPMEM space, copy data buffer from user space */ 1026 if (ucmd->service == GDT_CACHESERVICE) { 1027 if (ucmd->OpCode == GDT_IOCTL) { 1028 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, 1029 sizeof(u_int32_t)); 1030 cnt = ucmd->u.ioctl.param_size; 1031 if (cnt > GDT_SCRATCH_SZ) { 1032 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1033 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1034 gdt_free_ccb(gdt, gccb); 1035 return (NULL); 1036 } 1037 } else { 1038 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1039 GDT_SG_SZ, sizeof(u_int32_t)); 1040 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1041 if (cnt > GDT_SCRATCH_SZ) { 1042 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1043 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1044 gdt_free_ccb(gdt, gccb); 1045 return (NULL); 1046 } 1047 } 1048 } else { 1049 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1050 GDT_SG_SZ, sizeof(u_int32_t)); 1051 cnt = ucmd->u.raw.sdlen; 1052 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { 1053 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1054 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); 1055 gdt_free_ccb(gdt, gccb); 1056 return (NULL); 1057 } 1058 } 1059 if (cnt != 0) 1060 bcopy(ucmd->data, gccb->gc_scratch, cnt); 1061 1062 if (gdt->sc_cmd_off + gdt->sc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > 1063 gdt->sc_ic_all_size) { 1064 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", 1065 gdt->sc_hanum)); 1066 gdt_free_ccb(gdt, gccb); 1067 return (NULL); 1068 } 1069 1070 if (gdt->sc_cmd_cnt == 0) 1071 gdt->sc_set_sema0(gdt); 1072 crit_exit(); 1073 1074 /* fill cmd structure */ 1075 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1076 gccb->gc_cmd_index); 1077 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, 1078 ucmd->OpCode); 1079 1080 if (ucmd->service == GDT_CACHESERVICE) { 1081 if (ucmd->OpCode == GDT_IOCTL) { 1082 /* IOCTL */ 1083 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, 1084 ucmd->u.ioctl.param_size); 1085 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, 1086 ucmd->u.ioctl.subfunc); 1087 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, 1088 ucmd->u.ioctl.channel); 1089 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 1090 gdt_ccb_vtop(gdt, gccb) + 1091 offsetof(struct gdt_ccb, gc_scratch[0])); 1092 } else { 1093 /* cache service command */ 1094 gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 1095 ucmd->u.cache.DeviceNo); 1096 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 1097 ucmd->u.cache.BlockNo); 1098 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 1099 ucmd->u.cache.BlockCnt); 1100 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1101 0xffffffffUL); 1102 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1103 1); 1104 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1105 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + 1106 offsetof(struct gdt_ccb, gc_scratch[0])); 1107 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1108 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); 1109 } 1110 } else { 1111 /* raw service command */ 1112 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 1113 ucmd->u.raw.direction); 1114 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1115 0xffffffffUL); 1116 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 1117 ucmd->u.raw.sdlen); 1118 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 1119 ucmd->u.raw.clen); 1120 bcopy(ucmd->u.raw.cmd, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 1121 12); 1122 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 1123 ucmd->u.raw.target; 1124 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 1125 ucmd->u.raw.lun; 1126 gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 1127 ucmd->u.raw.bus; 1128 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 1129 ucmd->u.raw.sense_len); 1130 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 1131 gdt_ccb_vtop(gdt, gccb) + 1132 offsetof(struct gdt_ccb, gc_scratch[ucmd->u.raw.sdlen])); 1133 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1134 1); 1135 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1136 GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + 1137 offsetof(struct gdt_ccb, gc_scratch[0])); 1138 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1139 GDT_SG_LEN, ucmd->u.raw.sdlen); 1140 } 1141 1142 crit_enter(); 1143 gdt_stat.sg_count_act = 1; 1144 gdt->sc_copy_cmd(gdt, gccb); 1145 return (gccb); 1146 } 1147 1148 static void 1149 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) 1150 { 1151 int t; 1152 1153 t = ccb->ccb_h.target_id; 1154 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", 1155 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); 1156 1157 switch (ccb->csio.cdb_io.cdb_bytes[0]) { 1158 case TEST_UNIT_READY: 1159 case START_STOP: 1160 break; 1161 case REQUEST_SENSE: 1162 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); 1163 break; 1164 case INQUIRY: 1165 { 1166 struct scsi_inquiry_data *inq; 1167 1168 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr; 1169 bzero(inq, sizeof(struct scsi_inquiry_data)); 1170 inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ? 1171 T_CDROM : T_DIRECT; 1172 inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; 1173 inq->version = SCSI_REV_2; 1174 inq->response_format = 2; 1175 inq->additional_length = 32; 1176 inq->flags = SID_CmdQue | SID_Sync; 1177 strcpy(inq->vendor, "IIR "); 1178 ksprintf(inq->product, "Host Drive #%02d", t); 1179 strcpy(inq->revision, " "); 1180 break; 1181 } 1182 case MODE_SENSE_6: 1183 { 1184 struct mpd_data { 1185 struct scsi_mode_hdr_6 hd; 1186 struct scsi_mode_block_descr bd; 1187 struct scsi_control_page cp; 1188 } *mpd; 1189 u_int8_t page; 1190 1191 mpd = (struct mpd_data *)ccb->csio.data_ptr; 1192 bzero(mpd, sizeof(struct mpd_data)); 1193 mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) + 1194 sizeof(struct scsi_mode_block_descr); 1195 mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; 1196 mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr); 1197 mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; 1198 mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; 1199 mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); 1200 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; 1201 switch (page) { 1202 default: 1203 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); 1204 break; 1205 } 1206 break; 1207 } 1208 case READ_CAPACITY: 1209 { 1210 struct scsi_read_capacity_data *rcd; 1211 1212 rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr; 1213 bzero(rcd, sizeof(struct scsi_read_capacity_data)); 1214 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr); 1215 scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length); 1216 break; 1217 } 1218 default: 1219 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", 1220 ccb->csio.cdb_io.cdb_bytes[0])); 1221 break; 1222 } 1223 ccb->ccb_h.status = CAM_REQ_CMP; 1224 --gdt_stat.io_count_act; 1225 xpt_done(ccb); 1226 } 1227 1228 static void 1229 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1230 { 1231 bus_addr_t *busaddrp; 1232 1233 busaddrp = (bus_addr_t *)arg; 1234 *busaddrp = dm_segs->ds_addr; 1235 } 1236 1237 static void 1238 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1239 { 1240 struct gdt_ccb *gccb; 1241 union ccb *ccb; 1242 struct gdt_softc *gdt; 1243 int i; 1244 1245 crit_enter(); 1246 1247 gccb = (struct gdt_ccb *)arg; 1248 ccb = gccb->gc_ccb; 1249 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); 1250 1251 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", 1252 gdt, gccb, dm_segs, nseg, error)); 1253 gdt_stat.sg_count_act = nseg; 1254 if (nseg > gdt_stat.sg_count_max) 1255 gdt_stat.sg_count_max = nseg; 1256 1257 /* Copy the segments into our SG list */ 1258 if (gccb->gc_service == GDT_CACHESERVICE) { 1259 for (i = 0; i < nseg; ++i) { 1260 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1261 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1262 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1263 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1264 dm_segs++; 1265 } 1266 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1267 nseg); 1268 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1269 0xffffffffUL); 1270 1271 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1272 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1273 } else { 1274 for (i = 0; i < nseg; ++i) { 1275 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1276 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1277 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1278 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1279 dm_segs++; 1280 } 1281 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1282 nseg); 1283 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1284 0xffffffffUL); 1285 1286 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1287 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1288 } 1289 1290 if (nseg != 0) { 1291 bus_dmasync_op_t op; 1292 1293 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1294 op = BUS_DMASYNC_PREREAD; 1295 else 1296 op = BUS_DMASYNC_PREWRITE; 1297 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); 1298 } 1299 1300 /* We must NOT abort the command here if CAM_REQ_INPROG is not set, 1301 * because command semaphore is already set! 1302 */ 1303 1304 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1305 /* timeout handling */ 1306 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000, 1307 iir_timeout, gccb); 1308 1309 gdt->sc_copy_cmd(gdt, gccb); 1310 crit_exit(); 1311 } 1312 1313 1314 static void 1315 iir_action( struct cam_sim *sim, union ccb *ccb ) 1316 { 1317 struct gdt_softc *gdt; 1318 int bus, target, lun; 1319 1320 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1321 ccb->ccb_h.ccb_sim_ptr = sim; 1322 bus = cam_sim_bus(sim); 1323 target = ccb->ccb_h.target_id; 1324 lun = ccb->ccb_h.target_lun; 1325 GDT_DPRINTF(GDT_D_CMD, 1326 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n", 1327 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0], 1328 bus, target, lun)); 1329 ++gdt_stat.io_count_act; 1330 if (gdt_stat.io_count_act > gdt_stat.io_count_max) 1331 gdt_stat.io_count_max = gdt_stat.io_count_act; 1332 1333 switch (ccb->ccb_h.func_code) { 1334 case XPT_SCSI_IO: 1335 crit_enter(); 1336 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1337 ++gdt_stat.req_queue_act; 1338 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1339 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1340 crit_exit(); 1341 gdt_next(gdt); 1342 break; 1343 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1344 case XPT_ABORT: /* Abort the specified CCB */ 1345 /* XXX Implement */ 1346 ccb->ccb_h.status = CAM_REQ_INVALID; 1347 --gdt_stat.io_count_act; 1348 xpt_done(ccb); 1349 break; 1350 case XPT_SET_TRAN_SETTINGS: 1351 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1352 --gdt_stat.io_count_act; 1353 xpt_done(ccb); 1354 break; 1355 case XPT_GET_TRAN_SETTINGS: 1356 /* Get default/user set transfer settings for the target */ 1357 { 1358 struct ccb_trans_settings *cts = &ccb->cts; 1359 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 1360 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 1361 1362 cts->protocol = PROTO_SCSI; 1363 cts->protocol_version = SCSI_REV_2; 1364 cts->transport = XPORT_SPI; 1365 cts->transport_version = 2; 1366 1367 if (cts->type == CTS_TYPE_USER_SETTINGS) { 1368 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 1369 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1370 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 1371 spi->sync_period = 25; /* 10MHz */ 1372 if (spi->sync_period != 0) 1373 spi->sync_offset = 15; 1374 1375 spi->valid = CTS_SPI_VALID_SYNC_RATE 1376 | CTS_SPI_VALID_SYNC_OFFSET 1377 | CTS_SPI_VALID_BUS_WIDTH 1378 | CTS_SPI_VALID_DISC; 1379 scsi->valid = CTS_SCSI_VALID_TQ; 1380 ccb->ccb_h.status = CAM_REQ_CMP; 1381 } else { 1382 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1383 } 1384 --gdt_stat.io_count_act; 1385 xpt_done(ccb); 1386 break; 1387 } 1388 case XPT_CALC_GEOMETRY: 1389 { 1390 struct ccb_calc_geometry *ccg; 1391 u_int32_t secs_per_cylinder; 1392 1393 ccg = &ccb->ccg; 1394 ccg->heads = gdt->sc_hdr[target].hd_heads; 1395 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs; 1396 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1397 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1398 ccb->ccb_h.status = CAM_REQ_CMP; 1399 --gdt_stat.io_count_act; 1400 xpt_done(ccb); 1401 break; 1402 } 1403 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1404 { 1405 /* XXX Implement */ 1406 ccb->ccb_h.status = CAM_REQ_CMP; 1407 --gdt_stat.io_count_act; 1408 xpt_done(ccb); 1409 break; 1410 } 1411 case XPT_TERM_IO: /* Terminate the I/O process */ 1412 /* XXX Implement */ 1413 ccb->ccb_h.status = CAM_REQ_INVALID; 1414 --gdt_stat.io_count_act; 1415 xpt_done(ccb); 1416 break; 1417 case XPT_PATH_INQ: /* Path routing inquiry */ 1418 { 1419 struct ccb_pathinq *cpi = &ccb->cpi; 1420 1421 cpi->version_num = 1; 1422 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 1423 cpi->hba_inquiry |= PI_WIDE_16; 1424 cpi->target_sprt = 1; 1425 cpi->hba_misc = 0; 1426 cpi->hba_eng_cnt = 0; 1427 if (bus == gdt->sc_virt_bus) 1428 cpi->max_target = GDT_MAX_HDRIVES - 1; 1429 else if (gdt->sc_class & GDT_FC) 1430 cpi->max_target = GDT_MAXID_FC - 1; 1431 else 1432 cpi->max_target = GDT_MAXID - 1; 1433 cpi->max_lun = 7; 1434 cpi->unit_number = cam_sim_unit(sim); 1435 cpi->bus_id = bus; 1436 cpi->initiator_id = 1437 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]); 1438 cpi->base_transfer_speed = 3300; 1439 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1440 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); 1441 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1442 cpi->transport = XPORT_SPI; 1443 cpi->transport_version = 2; 1444 cpi->protocol = PROTO_SCSI; 1445 cpi->protocol_version = SCSI_REV_2; 1446 cpi->ccb_h.status = CAM_REQ_CMP; 1447 --gdt_stat.io_count_act; 1448 xpt_done(ccb); 1449 break; 1450 } 1451 default: 1452 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", 1453 gdt, ccb->ccb_h.func_code)); 1454 ccb->ccb_h.status = CAM_REQ_INVALID; 1455 --gdt_stat.io_count_act; 1456 xpt_done(ccb); 1457 break; 1458 } 1459 } 1460 1461 static void 1462 iir_poll( struct cam_sim *sim ) 1463 { 1464 struct gdt_softc *gdt; 1465 1466 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1467 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); 1468 iir_intr(gdt); 1469 } 1470 1471 static void 1472 iir_timeout(void *arg) 1473 { 1474 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", arg)); 1475 } 1476 1477 static void 1478 iir_watchdog(void *arg) 1479 { 1480 struct gdt_softc *gdt; 1481 1482 gdt = (struct gdt_softc *)arg; 1483 GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt)); 1484 1485 { 1486 int ccbs = 0, ucmds = 0, frees = 0, pends = 0; 1487 struct gdt_ccb *p; 1488 struct ccb_hdr *h; 1489 struct gdt_ucmd *u; 1490 1491 for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL; 1492 h = TAILQ_NEXT(h, sim_links.tqe)) 1493 ccbs++; 1494 for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL; 1495 u = TAILQ_NEXT(u, links)) 1496 ucmds++; 1497 for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL; 1498 p = SLIST_NEXT(p, sle)) 1499 frees++; 1500 for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL; 1501 p = SLIST_NEXT(p, sle)) 1502 pends++; 1503 1504 GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n", 1505 ccbs, ucmds, frees, pends)); 1506 } 1507 1508 callout_reset(&gdt->watchdog_timer, hz * 15, iir_watchdog, gdt); 1509 } 1510 1511 static void 1512 iir_shutdown( void *arg, int howto ) 1513 { 1514 struct gdt_softc *gdt; 1515 struct gdt_ccb *gccb; 1516 gdt_ucmd_t *ucmd; 1517 int i; 1518 1519 gdt = (struct gdt_softc *)arg; 1520 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); 1521 1522 kprintf("iir%d: Flushing all Host Drives. Please wait ... ", 1523 gdt->sc_hanum); 1524 1525 /* allocate ucmd buffer */ 1526 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_DEVBUF, M_INTWAIT | M_ZERO); 1527 1528 /* wait for pending IOs */ 1529 crit_enter(); 1530 gdt->sc_state = GDT_SHUTDOWN; 1531 crit_exit(); 1532 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) 1533 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz); 1534 1535 /* flush */ 1536 for (i = 0; i < GDT_MAX_HDRIVES; ++i) { 1537 if (gdt->sc_hdr[i].hd_present) { 1538 ucmd->service = GDT_CACHESERVICE; 1539 ucmd->OpCode = GDT_FLUSH; 1540 ucmd->u.cache.DeviceNo = i; 1541 crit_enter(); 1542 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); 1543 ucmd->complete_flag = FALSE; 1544 crit_exit(); 1545 gdt_next(gdt); 1546 if (!ucmd->complete_flag) 1547 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz); 1548 } 1549 } 1550 1551 kfree(ucmd, M_DEVBUF); 1552 kprintf("Done.\n"); 1553 } 1554 1555 void 1556 iir_intr(void *arg) 1557 { 1558 struct gdt_softc *gdt = arg; 1559 struct gdt_intr_ctx ctx; 1560 struct gdt_ccb *gccb; 1561 gdt_ucmd_t *ucmd; 1562 u_int32_t cnt; 1563 1564 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); 1565 1566 /* If polling and we were not called from gdt_wait, just return */ 1567 if ((gdt->sc_state & GDT_POLLING) && 1568 !(gdt->sc_state & GDT_POLL_WAIT)) 1569 return; 1570 1571 if (!(gdt->sc_state & GDT_POLLING)) 1572 crit_enter(); 1573 gdt_wait_index = 0; 1574 1575 ctx.istatus = gdt->sc_get_status(gdt); 1576 if (!ctx.istatus) { 1577 if (!(gdt->sc_state & GDT_POLLING)) 1578 crit_exit(); 1579 gdt->sc_status = GDT_S_NO_STATUS; 1580 return; 1581 } 1582 1583 gdt->sc_intr(gdt, &ctx); 1584 1585 gdt->sc_status = ctx.cmd_status; 1586 gdt->sc_service = ctx.service; 1587 gdt->sc_info = ctx.info; 1588 gdt->sc_info2 = ctx.info2; 1589 1590 if (gdt->sc_state & GDT_POLL_WAIT) { 1591 gdt_wait_gdt = gdt; 1592 gdt_wait_index = ctx.istatus; 1593 } 1594 1595 if (ctx.istatus == GDT_ASYNCINDEX) { 1596 gdt_async_event(gdt, ctx.service); 1597 if (!(gdt->sc_state & GDT_POLLING)) 1598 crit_exit(); 1599 return; 1600 } 1601 if (ctx.istatus == GDT_SPEZINDEX) { 1602 GDT_DPRINTF(GDT_D_INVALID, 1603 ("iir%d: Service unknown or not initialized!\n", 1604 gdt->sc_hanum)); 1605 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1606 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1607 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); 1608 if (!(gdt->sc_state & GDT_POLLING)) 1609 crit_exit(); 1610 return; 1611 } 1612 1613 gccb = &gdt->sc_gccbs[ctx.istatus - 2]; 1614 ctx.service = gccb->gc_service; 1615 1616 switch (gccb->gc_flags) { 1617 case GDT_GCF_UNUSED: 1618 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", 1619 gdt->sc_hanum, ctx.istatus)); 1620 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1621 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1622 gdt->sc_dvr.eu.driver.index = ctx.istatus; 1623 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); 1624 gdt_free_ccb(gdt, gccb); 1625 /* fallthrough */ 1626 1627 case GDT_GCF_INTERNAL: 1628 if (!(gdt->sc_state & GDT_POLLING)) 1629 crit_exit(); 1630 break; 1631 1632 case GDT_GCF_IOCTL: 1633 ucmd = gccb->gc_ucmd; 1634 if (gdt->sc_status == GDT_S_BSY) { 1635 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", 1636 gdt, gccb)); 1637 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 1638 if (!(gdt->sc_state & GDT_POLLING)) 1639 crit_exit(); 1640 } else { 1641 ucmd->status = gdt->sc_status; 1642 ucmd->info = gdt->sc_info; 1643 ucmd->complete_flag = TRUE; 1644 if (ucmd->service == GDT_CACHESERVICE) { 1645 if (ucmd->OpCode == GDT_IOCTL) { 1646 cnt = ucmd->u.ioctl.param_size; 1647 if (cnt != 0) 1648 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1649 } else { 1650 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1651 if (cnt != 0) 1652 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1653 } 1654 } else { 1655 cnt = ucmd->u.raw.sdlen; 1656 if (cnt != 0) 1657 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1658 if (ucmd->u.raw.sense_len != 0) 1659 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1660 } 1661 gdt_free_ccb(gdt, gccb); 1662 if (!(gdt->sc_state & GDT_POLLING)) 1663 crit_exit(); 1664 /* wakeup */ 1665 wakeup(ucmd); 1666 } 1667 gdt_next(gdt); 1668 break; 1669 1670 default: 1671 gdt_free_ccb(gdt, gccb); 1672 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); 1673 if (!(gdt->sc_state & GDT_POLLING)) 1674 crit_exit(); 1675 gdt_next(gdt); 1676 break; 1677 } 1678 } 1679 1680 int 1681 gdt_async_event(struct gdt_softc *gdt, int service) 1682 { 1683 struct gdt_ccb *gccb; 1684 1685 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); 1686 1687 if (service == GDT_SCREENSERVICE) { 1688 if (gdt->sc_status == GDT_MSG_REQUEST) { 1689 while (gdt->sc_test_busy(gdt)) 1690 DELAY(1); 1691 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1692 gccb = gdt_get_ccb(gdt); 1693 if (gccb == NULL) { 1694 kprintf("iir%d: No free command index found\n", 1695 gdt->sc_hanum); 1696 return (1); 1697 } 1698 gccb->gc_service = service; 1699 gccb->gc_flags = GDT_GCF_SCREEN; 1700 gdt->sc_set_sema0(gdt); 1701 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1702 gccb->gc_cmd_index); 1703 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); 1704 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1705 GDT_MSG_INV_HANDLE); 1706 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1707 gdt_ccb_vtop(gdt, gccb) + 1708 offsetof(struct gdt_ccb, gc_scratch[0])); 1709 gdt->sc_cmd_off = 0; 1710 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1711 sizeof(u_int32_t)); 1712 gdt->sc_cmd_cnt = 0; 1713 gdt->sc_copy_cmd(gdt, gccb); 1714 kprintf("iir%d: [PCI %d/%d] ", 1715 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); 1716 gdt->sc_release_event(gdt); 1717 } 1718 1719 } else { 1720 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { 1721 gdt->sc_dvr.size = 0; 1722 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1723 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1724 /* severity and event_string already set! */ 1725 } else { 1726 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); 1727 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1728 gdt->sc_dvr.eu.async.service = service; 1729 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1730 gdt->sc_dvr.eu.async.info = gdt->sc_info; 1731 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; 1732 } 1733 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); 1734 kprintf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); 1735 } 1736 1737 return (0); 1738 } 1739 1740 int 1741 gdt_sync_event(struct gdt_softc *gdt, int service, 1742 u_int8_t index, struct gdt_ccb *gccb) 1743 { 1744 union ccb *ccb; 1745 bus_dmasync_op_t op; 1746 1747 GDT_DPRINTF(GDT_D_INTR, 1748 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); 1749 1750 ccb = gccb->gc_ccb; 1751 1752 if (service == GDT_SCREENSERVICE) { 1753 u_int32_t msg_len; 1754 1755 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); 1756 if (msg_len) 1757 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1758 gccb->gc_scratch[GDT_SCR_MSG_EXT])) { 1759 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; 1760 kprintf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); 1761 } 1762 1763 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && 1764 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { 1765 while (gdt->sc_test_busy(gdt)) 1766 DELAY(1); 1767 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1768 gccb = gdt_get_ccb(gdt); 1769 if (gccb == NULL) { 1770 kprintf("iir%d: No free command index found\n", 1771 gdt->sc_hanum); 1772 return (1); 1773 } 1774 gccb->gc_service = service; 1775 gccb->gc_flags = GDT_GCF_SCREEN; 1776 gdt->sc_set_sema0(gdt); 1777 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1778 gccb->gc_cmd_index); 1779 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); 1780 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1781 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1782 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1783 gdt_ccb_vtop(gdt, gccb) + 1784 offsetof(struct gdt_ccb, gc_scratch[0])); 1785 gdt->sc_cmd_off = 0; 1786 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1787 sizeof(u_int32_t)); 1788 gdt->sc_cmd_cnt = 0; 1789 gdt->sc_copy_cmd(gdt, gccb); 1790 gdt->sc_release_event(gdt); 1791 return (0); 1792 } 1793 1794 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1795 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { 1796 /* default answers (getchar() not possible) */ 1797 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { 1798 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); 1799 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); 1800 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; 1801 } else { 1802 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 1803 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); 1804 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); 1805 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; 1806 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; 1807 } 1808 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; 1809 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; 1810 while (gdt->sc_test_busy(gdt)) 1811 DELAY(1); 1812 bzero(gdt->sc_cmd, GDT_CMD_SZ); 1813 gccb = gdt_get_ccb(gdt); 1814 if (gccb == NULL) { 1815 kprintf("iir%d: No free command index found\n", 1816 gdt->sc_hanum); 1817 return (1); 1818 } 1819 gccb->gc_service = service; 1820 gccb->gc_flags = GDT_GCF_SCREEN; 1821 gdt->sc_set_sema0(gdt); 1822 gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, 1823 gccb->gc_cmd_index); 1824 gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 1825 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1826 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1827 gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1828 gdt_ccb_vtop(gdt, gccb) + 1829 offsetof(struct gdt_ccb, gc_scratch[0])); 1830 gdt->sc_cmd_off = 0; 1831 gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1832 sizeof(u_int32_t)); 1833 gdt->sc_cmd_cnt = 0; 1834 gdt->sc_copy_cmd(gdt, gccb); 1835 gdt->sc_release_event(gdt); 1836 return (0); 1837 } 1838 kprintf("\n"); 1839 return (0); 1840 } else { 1841 callout_stop(&ccb->ccb_h.timeout_ch); 1842 if (gdt->sc_status == GDT_S_BSY) { 1843 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", 1844 gdt, gccb)); 1845 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1846 ++gdt_stat.req_queue_act; 1847 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1848 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1849 return (2); 1850 } 1851 1852 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 1853 op = BUS_DMASYNC_POSTREAD; 1854 else 1855 op = BUS_DMASYNC_POSTWRITE; 1856 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); 1857 1858 ccb->csio.resid = 0; 1859 if (gdt->sc_status == GDT_S_OK) { 1860 ccb->ccb_h.status = CAM_REQ_CMP; 1861 } else { 1862 /* error */ 1863 if (gccb->gc_service == GDT_CACHESERVICE) { 1864 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; 1865 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1866 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 1867 ccb->csio.sense_data.error_code = 1868 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; 1869 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY; 1870 1871 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); 1872 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; 1873 gdt->sc_dvr.eu.sync.service = service; 1874 gdt->sc_dvr.eu.sync.status = gdt->sc_status; 1875 gdt->sc_dvr.eu.sync.info = gdt->sc_info; 1876 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; 1877 if (gdt->sc_status >= 0x8000) 1878 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); 1879 else 1880 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); 1881 } else { 1882 /* raw service */ 1883 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { 1884 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 1885 } else { 1886 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; 1887 ccb->csio.scsi_status = gdt->sc_info; 1888 bcopy(gccb->gc_scratch, &ccb->csio.sense_data, 1889 ccb->csio.sense_len); 1890 } 1891 } 1892 } 1893 --gdt_stat.io_count_act; 1894 xpt_done(ccb); 1895 } 1896 return (0); 1897 } 1898 1899 /* Controller event handling functions */ 1900 gdt_evt_str * 1901 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt) 1902 { 1903 gdt_evt_str *e; 1904 struct timeval tv; 1905 1906 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); 1907 if (source == 0) /* no source -> no event */ 1908 return 0; 1909 1910 if (ebuffer[elastidx].event_source == source && 1911 ebuffer[elastidx].event_idx == idx && 1912 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && 1913 !memcmp((char *)&ebuffer[elastidx].event_data.eu, 1914 (char *)&evt->eu, evt->size)) || 1915 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && 1916 !strcmp((char *)&ebuffer[elastidx].event_data.event_string, 1917 (char *)&evt->event_string)))) { 1918 e = &ebuffer[elastidx]; 1919 getmicrotime(&tv); 1920 e->last_stamp = tv.tv_sec; 1921 ++e->same_count; 1922 } else { 1923 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ 1924 ++elastidx; 1925 if (elastidx == GDT_MAX_EVENTS) 1926 elastidx = 0; 1927 if (elastidx == eoldidx) { /* reached mark ? */ 1928 ++eoldidx; 1929 if (eoldidx == GDT_MAX_EVENTS) 1930 eoldidx = 0; 1931 } 1932 } 1933 e = &ebuffer[elastidx]; 1934 e->event_source = source; 1935 e->event_idx = idx; 1936 getmicrotime(&tv); 1937 e->first_stamp = e->last_stamp = tv.tv_sec; 1938 e->same_count = 1; 1939 e->event_data = *evt; 1940 e->application = 0; 1941 } 1942 return e; 1943 } 1944 1945 int 1946 gdt_read_event(int handle, gdt_evt_str *estr) 1947 { 1948 gdt_evt_str *e; 1949 int eindex; 1950 1951 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); 1952 crit_enter(); 1953 if (handle == -1) 1954 eindex = eoldidx; 1955 else 1956 eindex = handle; 1957 estr->event_source = 0; 1958 1959 if (eindex >= GDT_MAX_EVENTS) { 1960 crit_exit(); 1961 return eindex; 1962 } 1963 e = &ebuffer[eindex]; 1964 if (e->event_source != 0) { 1965 if (eindex != elastidx) { 1966 if (++eindex == GDT_MAX_EVENTS) 1967 eindex = 0; 1968 } else { 1969 eindex = -1; 1970 } 1971 memcpy(estr, e, sizeof(gdt_evt_str)); 1972 } 1973 crit_exit(); 1974 return eindex; 1975 } 1976 1977 void 1978 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) 1979 { 1980 gdt_evt_str *e; 1981 int found = FALSE; 1982 int eindex; 1983 1984 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); 1985 crit_enter(); 1986 eindex = eoldidx; 1987 for (;;) { 1988 e = &ebuffer[eindex]; 1989 if (e->event_source == 0) 1990 break; 1991 if ((e->application & application) == 0) { 1992 e->application |= application; 1993 found = TRUE; 1994 break; 1995 } 1996 if (eindex == elastidx) 1997 break; 1998 if (++eindex == GDT_MAX_EVENTS) 1999 eindex = 0; 2000 } 2001 if (found) 2002 memcpy(estr, e, sizeof(gdt_evt_str)); 2003 else 2004 estr->event_source = 0; 2005 crit_exit(); 2006 } 2007 2008 void 2009 gdt_clear_events(void) 2010 { 2011 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); 2012 2013 eoldidx = elastidx = 0; 2014 ebuffer[0].event_source = 0; 2015 } 2016