1 /* $FreeBSD: src/sys/dev/iir/iir.c,v 1.24 2010/01/08 15:47:23 trasz Exp $ */ 2 /*- 3 * Copyright (c) 2000-04 ICP vortex GmbH 4 * Copyright (c) 2002-04 Intel Corporation 5 * Copyright (c) 2003-04 Adaptec Inc. 6 * All Rights Reserved 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /* 34 * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver 35 * 36 * Written by: Achim Leubner <achim_leubner@adaptec.com> 37 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> 38 * 39 * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers. 40 * Mike Smith; Some driver source code. 41 * FreeBSD.ORG; Great O/S to work on and for. 42 * 43 * $Id: iir.c 1.5 2004/03/30 10:17:53 achim Exp $" 44 */ 45 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/endian.h> 54 #include <sys/eventhandler.h> 55 #include <sys/malloc.h> 56 #include <sys/kernel.h> 57 #include <sys/bus.h> 58 #include <sys/thread2.h> 59 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 #include "pcidevs.h" 70 71 #include <dev/raid/iir/iir.h> 72 73 MALLOC_DEFINE(M_GDTBUF, "iirbuf", "iir driver buffer"); 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); 158 159 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, 160 int *secs); 161 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 162 u_int8_t service, u_int16_t opcode, 163 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); 164 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb, 165 int timeout); 166 167 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt); 168 169 static int gdt_sync_event(struct gdt_softc *gdt, int service, 170 u_int8_t index, struct gdt_ccb *gccb); 171 static int gdt_async_event(struct gdt_softc *gdt, int service); 172 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb); 173 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb); 174 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd); 175 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb); 176 177 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, 178 int nseg, int error); 179 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, 180 int nseg, int error); 181 182 int 183 iir_init(struct gdt_softc *gdt) 184 { 185 u_int16_t cdev_cnt; 186 int i, id, drv_cyls, drv_hds, drv_secs; 187 struct gdt_ccb *gccb; 188 189 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n")); 190 191 gdt->sc_state = GDT_POLLING; 192 gdt_clear_events(); 193 bzero(&gdt_stat, sizeof(gdt_statist_t)); 194 195 SLIST_INIT(&gdt->sc_free_gccb); 196 SLIST_INIT(&gdt->sc_pending_gccb); 197 TAILQ_INIT(&gdt->sc_ccb_queue); 198 TAILQ_INIT(&gdt->sc_ucmd_queue); 199 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links); 200 201 /* DMA tag for mapping buffers into device visible space. */ 202 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 203 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 204 /*highaddr*/BUS_SPACE_MAXADDR, 205 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG, 206 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 207 /*flags*/BUS_DMA_ALLOCNOW, 208 &gdt->sc_buffer_dmat) != 0) { 209 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n", 210 gdt->sc_hanum); 211 return (1); 212 } 213 gdt->sc_init_level++; 214 215 /* DMA tag for our ccb structures */ 216 if (bus_dma_tag_create(gdt->sc_parent_dmat, 217 /*alignment*/1, 218 /*boundary*/0, 219 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 220 /*highaddr*/BUS_SPACE_MAXADDR, 221 GDT_MAXCMDS * GDT_SCRATCH_SZ, /* maxsize */ 222 /*nsegments*/1, 223 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 224 /*flags*/0, &gdt->sc_gcscratch_dmat) != 0) { 225 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_gcscratch_dmat) failed\n", 226 gdt->sc_hanum); 227 return (1); 228 } 229 gdt->sc_init_level++; 230 231 /* Allocation for our ccb scratch area */ 232 if (bus_dmamem_alloc(gdt->sc_gcscratch_dmat, (void *)&gdt->sc_gcscratch, 233 BUS_DMA_NOWAIT, &gdt->sc_gcscratch_dmamap) != 0) { 234 kprintf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gcscratch,...) failed\n", 235 gdt->sc_hanum); 236 return (1); 237 } 238 gdt->sc_init_level++; 239 240 /* And permanently map them */ 241 bus_dmamap_load(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap, 242 gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ, 243 gdtmapmem, &gdt->sc_gcscratch_busbase, /*flags*/0); 244 gdt->sc_init_level++; 245 246 /* Clear them out. */ 247 bzero(gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ); 248 249 /* Initialize the ccbs */ 250 gdt->sc_gccbs = kmalloc(sizeof(struct gdt_ccb) * GDT_MAXCMDS, M_GDTBUF, 251 M_INTWAIT | M_ZERO); 252 if (gdt->sc_gccbs == NULL) { 253 kprintf("iir%d: no memory for gccbs.\n", gdt->sc_hanum); 254 return (1); 255 } 256 for (i = GDT_MAXCMDS-1; i >= 0; i--) { 257 gccb = &gdt->sc_gccbs[i]; 258 gccb->gc_cmd_index = i + 2; 259 gccb->gc_flags = GDT_GCF_UNUSED; 260 gccb->gc_map_flag = FALSE; 261 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0, 262 &gccb->gc_dmamap) != 0) 263 return(1); 264 gccb->gc_map_flag = TRUE; 265 gccb->gc_scratch = &gdt->sc_gcscratch[GDT_SCRATCH_SZ * i]; 266 gccb->gc_scratch_busbase = gdt->sc_gcscratch_busbase + GDT_SCRATCH_SZ * i; 267 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 268 } 269 gdt->sc_init_level++; 270 271 /* create the control device */ 272 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum); 273 274 /* allocate ccb for gdt_internal_cmd() */ 275 gccb = gdt_get_ccb(gdt); 276 if (gccb == NULL) { 277 kprintf("iir%d: No free command index found\n", 278 gdt->sc_hanum); 279 return (1); 280 } 281 bzero(gccb->gc_cmd, GDT_CMD_SZ); 282 283 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT, 284 0, 0, 0)) { 285 kprintf("iir%d: Screen service initialization error %d\n", 286 gdt->sc_hanum, gdt->sc_status); 287 gdt_free_ccb(gdt, gccb); 288 return (1); 289 } 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_INIT, 295 GDT_LINUX_OS, 0, 0)) { 296 kprintf("iir%d: Cache service initialization error %d\n", 297 gdt->sc_hanum, gdt->sc_status); 298 gdt_free_ccb(gdt, gccb); 299 return (1); 300 } 301 cdev_cnt = (u_int16_t)gdt->sc_info; 302 gdt->sc_fw_vers = gdt->sc_service; 303 304 /* Detect number of buses */ 305 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST); 306 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS; 307 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0; 308 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1; 309 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ); 310 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 311 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL, 312 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) { 313 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT]; 314 for (i = 0; i < gdt->sc_bus_cnt; i++) { 315 id = gccb->gc_scratch[GDT_IOC_HDR_SZ + 316 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID]; 317 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff; 318 } 319 } else { 320 /* New method failed, use fallback. */ 321 for (i = 0; i < GDT_MAXBUS; i++) { 322 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i); 323 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 324 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN, 325 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL, 326 GDT_GETCH_SZ)) { 327 if (i == 0) { 328 kprintf("iir%d: Cannot get channel count, " 329 "error %d\n", gdt->sc_hanum, gdt->sc_status); 330 gdt_free_ccb(gdt, gccb); 331 return (1); 332 } 333 break; 334 } 335 gdt->sc_bus_id[i] = 336 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ? 337 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff; 338 } 339 gdt->sc_bus_cnt = i; 340 } 341 /* add one "virtual" channel for the host drives */ 342 gdt->sc_virt_bus = gdt->sc_bus_cnt; 343 gdt->sc_bus_cnt++; 344 345 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT, 346 0, 0, 0)) { 347 kprintf("iir%d: Raw service initialization error %d\n", 348 gdt->sc_hanum, gdt->sc_status); 349 gdt_free_ccb(gdt, gccb); 350 return (1); 351 } 352 353 /* Set/get features raw service (scatter/gather) */ 354 gdt->sc_raw_feat = 0; 355 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT, 356 GDT_SCATTER_GATHER, 0, 0)) { 357 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT, 358 0, 0, 0)) { 359 gdt->sc_raw_feat = gdt->sc_info; 360 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 361 panic("iir%d: Scatter/Gather Raw Service " 362 "required but not supported!\n", gdt->sc_hanum); 363 gdt_free_ccb(gdt, gccb); 364 return (1); 365 } 366 } 367 } 368 369 /* Set/get features cache service (scatter/gather) */ 370 gdt->sc_cache_feat = 0; 371 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT, 372 0, GDT_SCATTER_GATHER, 0)) { 373 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT, 374 0, 0, 0)) { 375 gdt->sc_cache_feat = gdt->sc_info; 376 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 377 panic("iir%d: Scatter/Gather Cache Service " 378 "required but not supported!\n", gdt->sc_hanum); 379 gdt_free_ccb(gdt, gccb); 380 return (1); 381 } 382 } 383 } 384 385 /* OEM */ 386 gdt_enc32(gccb->gc_scratch + GDT_OEM_VERSION, 0x01); 387 gdt_enc32(gccb->gc_scratch + GDT_OEM_BUFSIZE, sizeof(gdt_oem_record_t)); 388 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 389 GDT_OEM_STR_RECORD, GDT_INVALID_CHANNEL, 390 sizeof(gdt_oem_str_record_t))) { 391 strncpy(gdt->oem_name, ((gdt_oem_str_record_t *) 392 gccb->gc_scratch)->text.scsi_host_drive_inquiry_vendor_id, 7); 393 gdt->oem_name[7]='\0'; 394 } else { 395 /* Old method, based on PCI ID */ 396 if (gdt->sc_vendor == PCI_VENDOR_INTEL) 397 strcpy(gdt->oem_name,"Intel "); 398 else 399 strcpy(gdt->oem_name,"ICP "); 400 } 401 402 /* Scan for cache devices */ 403 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) { 404 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO, 405 i, 0, 0)) { 406 gdt->sc_hdr[i].hd_present = 1; 407 gdt->sc_hdr[i].hd_size = gdt->sc_info; 408 409 /* 410 * Evaluate mapping (sectors per head, heads per cyl) 411 */ 412 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32; 413 if (gdt->sc_info2 == 0) 414 gdt_eval_mapping(gdt->sc_hdr[i].hd_size, 415 &drv_cyls, &drv_hds, &drv_secs); 416 else { 417 drv_hds = gdt->sc_info2 & 0xff; 418 drv_secs = (gdt->sc_info2 >> 8) & 0xff; 419 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds / 420 drv_secs; 421 } 422 gdt->sc_hdr[i].hd_heads = drv_hds; 423 gdt->sc_hdr[i].hd_secs = drv_secs; 424 /* Round the size */ 425 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; 426 427 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, 428 GDT_DEVTYPE, i, 0, 0)) 429 gdt->sc_hdr[i].hd_devtype = gdt->sc_info; 430 } 431 } 432 433 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n", 434 gdt->sc_dpmembase, 435 gdt->sc_bus_cnt, cdev_cnt, 436 cdev_cnt == 1 ? "" : "s")); 437 gdt_free_ccb(gdt, gccb); 438 439 gdt_cnt++; 440 return (0); 441 } 442 443 void 444 iir_free(struct gdt_softc *gdt) 445 { 446 int i; 447 448 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n")); 449 450 switch (gdt->sc_init_level) { 451 default: 452 gdt_destroy_dev(gdt->sc_dev); 453 case 5: 454 for (i = GDT_MAXCMDS-1; i >= 0; i--) 455 if (gdt->sc_gccbs[i].gc_map_flag) 456 bus_dmamap_destroy(gdt->sc_buffer_dmat, 457 gdt->sc_gccbs[i].gc_dmamap); 458 bus_dmamap_unload(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap); 459 kfree(gdt->sc_gccbs, M_GDTBUF); 460 case 4: 461 bus_dmamem_free(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch, gdt->sc_gcscratch_dmamap); 462 case 3: 463 bus_dma_tag_destroy(gdt->sc_gcscratch_dmat); 464 case 2: 465 bus_dma_tag_destroy(gdt->sc_buffer_dmat); 466 case 1: 467 bus_dma_tag_destroy(gdt->sc_parent_dmat); 468 case 0: 469 break; 470 } 471 TAILQ_REMOVE(&gdt_softcs, gdt, links); 472 } 473 474 void 475 iir_attach(struct gdt_softc *gdt) 476 { 477 struct cam_devq *devq; 478 int i; 479 480 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n")); 481 482 /* 483 * Create the device queue for our SIM. 484 * XXX Throttle this down since the card has problems under load. 485 */ 486 devq = cam_simq_alloc(32); 487 if (devq == NULL) 488 return; 489 490 for (i = 0; i < gdt->sc_bus_cnt; i++) { 491 /* 492 * Construct our SIM entry 493 */ 494 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir", 495 gdt, gdt->sc_hanum, &sim_mplock, 496 /*untagged*/1, 497 /*tagged*/GDT_MAXCMDS, devq); 498 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) { 499 cam_sim_free(gdt->sims[i]); 500 break; 501 } 502 503 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, 504 cam_sim_path(gdt->sims[i]), 505 CAM_TARGET_WILDCARD, 506 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 507 xpt_bus_deregister(cam_sim_path(gdt->sims[i])); 508 cam_sim_free(gdt->sims[i]); 509 break; 510 } 511 } 512 cam_simq_release(devq); 513 if (i > 0) 514 EVENTHANDLER_REGISTER(shutdown_post_sync, iir_shutdown, 515 gdt, SHUTDOWN_PRI_DRIVER); 516 gdt->sc_state = GDT_NORMAL; 517 } 518 519 static void 520 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) 521 { 522 *cyls = size / GDT_HEADS / GDT_SECS; 523 if (*cyls < GDT_MAXCYLS) { 524 *heads = GDT_HEADS; 525 *secs = GDT_SECS; 526 } else { 527 /* Too high for 64 * 32 */ 528 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; 529 if (*cyls < GDT_MAXCYLS) { 530 *heads = GDT_MEDHEADS; 531 *secs = GDT_MEDSECS; 532 } else { 533 /* Too high for 127 * 63 */ 534 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; 535 *heads = GDT_BIGHEADS; 536 *secs = GDT_BIGSECS; 537 } 538 } 539 } 540 541 static int 542 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, 543 int timeout) 544 { 545 int rv = 0; 546 547 GDT_DPRINTF(GDT_D_INIT, 548 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); 549 550 gdt->sc_state |= GDT_POLL_WAIT; 551 do { 552 iir_intr(gdt); 553 if (gdt == gdt_wait_gdt && 554 gccb->gc_cmd_index == gdt_wait_index) { 555 rv = 1; 556 break; 557 } 558 DELAY(1); 559 } while (--timeout); 560 gdt->sc_state &= ~GDT_POLL_WAIT; 561 562 while (gdt->sc_test_busy(gdt)) 563 DELAY(1); /* XXX correct? */ 564 565 return (rv); 566 } 567 568 static int 569 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 570 u_int8_t service, u_int16_t opcode, 571 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 572 { 573 int retries; 574 575 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", 576 gdt, service, opcode, arg1, arg2, arg3)); 577 578 bzero(gccb->gc_cmd, GDT_CMD_SZ); 579 580 for (retries = GDT_RETRIES; ; ) { 581 gccb->gc_service = service; 582 gccb->gc_flags = GDT_GCF_INTERNAL; 583 584 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 585 gccb->gc_cmd_index); 586 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 587 588 switch (service) { 589 case GDT_CACHESERVICE: 590 if (opcode == GDT_IOCTL) { 591 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 592 GDT_IOCTL_SUBFUNC, arg1); 593 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 594 GDT_IOCTL_CHANNEL, arg2); 595 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 596 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); 597 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 598 gccb->gc_scratch_busbase); 599 } else { 600 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 601 GDT_CACHE_DEVICENO, (u_int16_t)arg1); 602 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 603 GDT_CACHE_BLOCKNO, arg2); 604 } 605 break; 606 607 case GDT_SCSIRAWSERVICE: 608 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 609 GDT_RAW_DIRECTION, arg1); 610 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 611 (u_int8_t)arg2; 612 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 613 (u_int8_t)arg3; 614 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 615 (u_int8_t)(arg3 >> 8); 616 } 617 618 gdt->sc_set_sema0(gdt); 619 gccb->gc_cmd_len = GDT_CMD_SZ; 620 gdt->sc_cmd_off = 0; 621 gdt->sc_cmd_cnt = 0; 622 gdt->sc_copy_cmd(gdt, gccb); 623 gdt->sc_release_event(gdt); 624 DELAY(20); 625 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) 626 return (0); 627 if (gdt->sc_status != GDT_S_BSY || --retries == 0) 628 break; 629 DELAY(1); 630 } 631 return (gdt->sc_status == GDT_S_OK); 632 } 633 634 static struct gdt_ccb * 635 gdt_get_ccb(struct gdt_softc *gdt) 636 { 637 struct gdt_ccb *gccb; 638 639 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); 640 641 crit_enter(); 642 gccb = SLIST_FIRST(&gdt->sc_free_gccb); 643 if (gccb != NULL) { 644 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); 645 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); 646 ++gdt_stat.cmd_index_act; 647 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) 648 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; 649 } 650 crit_exit(); 651 return (gccb); 652 } 653 654 void 655 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) 656 { 657 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); 658 659 crit_enter(); 660 gccb->gc_flags = GDT_GCF_UNUSED; 661 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); 662 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 663 --gdt_stat.cmd_index_act; 664 crit_exit(); 665 if (gdt->sc_state & GDT_SHUTDOWN) 666 wakeup(gccb); 667 } 668 669 void 670 gdt_next(struct gdt_softc *gdt) 671 { 672 union ccb *ccb; 673 gdt_ucmd_t *ucmd; 674 struct cam_sim *sim; 675 int bus, target, lun; 676 int next_cmd; 677 678 struct ccb_scsiio *csio; 679 struct ccb_hdr *ccbh; 680 struct gdt_ccb *gccb = NULL; 681 u_int8_t cmd; 682 683 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); 684 685 crit_enter(); 686 if (gdt->sc_test_busy(gdt)) { 687 if (!(gdt->sc_state & GDT_POLLING)) { 688 crit_exit(); 689 return; 690 } 691 while (gdt->sc_test_busy(gdt)) 692 DELAY(1); 693 } 694 695 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; 696 next_cmd = TRUE; 697 for (;;) { 698 /* I/Os in queue? controller ready? */ 699 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && 700 !TAILQ_FIRST(&gdt->sc_ccb_queue)) 701 break; 702 703 /* 1.: I/Os without ccb (IOCTLs) */ 704 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); 705 if (ucmd != NULL) { 706 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); 707 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) { 708 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 709 break; 710 } 711 break; 712 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ 713 } 714 715 /* 2.: I/Os with ccb */ 716 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); 717 /* ist dann immer != NULL, da oben getestet */ 718 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 719 bus = cam_sim_bus(sim); 720 target = ccb->ccb_h.target_id; 721 lun = ccb->ccb_h.target_lun; 722 723 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 724 --gdt_stat.req_queue_act; 725 /* ccb->ccb_h.func_code is XPT_SCSI_IO */ 726 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", 727 ccb->ccb_h.flags)); 728 csio = &ccb->csio; 729 ccbh = &ccb->ccb_h; 730 cmd = csio->cdb_io.cdb_bytes[0]; 731 /* Max CDB length is 12 bytes */ 732 if (csio->cdb_len > 12) { 733 ccbh->status = CAM_REQ_INVALID; 734 --gdt_stat.io_count_act; 735 xpt_done(ccb); 736 } else if (bus != gdt->sc_virt_bus) { 737 /* raw service command */ 738 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) { 739 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 740 sim_links.tqe); 741 ++gdt_stat.req_queue_act; 742 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 743 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 744 next_cmd = FALSE; 745 } 746 } else if (target >= GDT_MAX_HDRIVES || 747 !gdt->sc_hdr[target].hd_present || lun != 0) { 748 ccbh->status = CAM_DEV_NOT_THERE; 749 --gdt_stat.io_count_act; 750 xpt_done(ccb); 751 } else { 752 /* cache service command */ 753 if (cmd == READ_6 || cmd == WRITE_6 || 754 cmd == READ_10 || cmd == WRITE_10) { 755 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) { 756 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 757 sim_links.tqe); 758 ++gdt_stat.req_queue_act; 759 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 760 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 761 next_cmd = FALSE; 762 } 763 } else { 764 crit_exit(); 765 gdt_internal_cache_cmd(gdt, ccb); 766 crit_enter(); 767 } 768 } 769 if ((gdt->sc_state & GDT_POLLING) || !next_cmd) 770 break; 771 } 772 if (gdt->sc_cmd_cnt > 0) 773 gdt->sc_release_event(gdt); 774 775 crit_exit(); 776 777 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { 778 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); 779 } 780 } 781 782 static struct gdt_ccb * 783 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb) 784 { 785 struct gdt_ccb *gccb; 786 struct cam_sim *sim; 787 788 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); 789 790 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + 791 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 792 gdt->sc_ic_all_size) { 793 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", 794 gdt->sc_hanum)); 795 return (NULL); 796 } 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 bzero(gccb->gc_cmd, GDT_CMD_SZ); 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(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 814 gccb->gc_cmd_index); 815 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 816 817 gdt_enc32(gccb->gc_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(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 821 ccb->csio.dxfer_len); 822 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 823 ccb->csio.cdb_len); 824 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 825 ccb->csio.cdb_len); 826 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 827 ccb->ccb_h.target_id; 828 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 829 ccb->ccb_h.target_lun; 830 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 831 cam_sim_bus(sim); 832 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 833 sizeof(struct scsi_sense_data)); 834 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 835 gccb->gc_scratch_busbase); 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_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 859 } 860 crit_exit(); 861 } else { 862 panic("iir: CAM_DATA_PHYS not supported"); 863 } 864 } else { 865 struct bus_dma_segment *segs; 866 867 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 868 panic("iir%d: iir_action - Physical " 869 "segment pointers unsupported", gdt->sc_hanum); 870 871 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 872 panic("iir%d: iir_action - Virtual " 873 "segment addresses unsupported", gdt->sc_hanum); 874 875 /* Just use the segments provided */ 876 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 877 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 878 } 879 } else { 880 gdtexecuteccb(gccb, NULL, 0, 0); 881 } 882 883 crit_enter(); 884 return (gccb); 885 } 886 887 static struct gdt_ccb * 888 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb) 889 { 890 struct gdt_ccb *gccb; 891 struct cam_sim *sim; 892 u_int8_t *cmdp; 893 u_int16_t opcode; 894 u_int32_t blockno, blockcnt; 895 896 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); 897 898 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + 899 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 900 gdt->sc_ic_all_size) { 901 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", 902 gdt->sc_hanum)); 903 return (NULL); 904 } 905 906 gccb = gdt_get_ccb(gdt); 907 if (gccb == NULL) { 908 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 909 gdt->sc_hanum)); 910 return (gccb); 911 } 912 bzero(gccb->gc_cmd, GDT_CMD_SZ); 913 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 914 gccb->gc_ccb = ccb; 915 gccb->gc_service = GDT_CACHESERVICE; 916 gccb->gc_flags = GDT_GCF_SCSI; 917 918 if (gdt->sc_cmd_cnt == 0) 919 gdt->sc_set_sema0(gdt); 920 crit_exit(); 921 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 922 gccb->gc_cmd_index); 923 cmdp = ccb->csio.cdb_io.cdb_bytes; 924 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; 925 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) 926 opcode = GDT_WRITE_THR; 927 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 928 929 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 930 ccb->ccb_h.target_id); 931 if (ccb->csio.cdb_len == 6) { 932 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; 933 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); 934 blockcnt = rw->length ? rw->length : 0x100; 935 } else { 936 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; 937 blockno = scsi_4btoul(rw->addr); 938 blockcnt = scsi_2btoul(rw->length); 939 } 940 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 941 blockno); 942 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 943 blockcnt); 944 945 /* 946 * If we have any data to send with this command, 947 * map it into bus space. 948 */ 949 /* Only use S/G if there is a transfer */ 950 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 951 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 952 int error; 953 954 /* vorher unlock von splcam() ??? */ 955 crit_enter(); 956 error = 957 bus_dmamap_load(gdt->sc_buffer_dmat, 958 gccb->gc_dmamap, 959 ccb->csio.data_ptr, 960 ccb->csio.dxfer_len, 961 gdtexecuteccb, 962 gccb, /*flags*/0); 963 if (error == EINPROGRESS) { 964 xpt_freeze_simq(sim, 1); 965 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 966 } 967 crit_exit(); 968 } else { 969 panic("iir: CAM_DATA_PHYS not supported"); 970 } 971 } else { 972 struct bus_dma_segment *segs; 973 974 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 975 panic("iir%d: iir_action - Physical " 976 "segment pointers unsupported", gdt->sc_hanum); 977 978 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 979 panic("iir%d: iir_action - Virtual " 980 "segment addresses unsupported", gdt->sc_hanum); 981 982 /* Just use the segments provided */ 983 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 984 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 985 } 986 987 crit_enter(); 988 return (gccb); 989 } 990 991 static struct gdt_ccb * 992 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd) 993 { 994 struct gdt_ccb *gccb; 995 u_int32_t cnt; 996 997 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); 998 999 gccb = gdt_get_ccb(gdt); 1000 if (gccb == NULL) { 1001 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 1002 gdt->sc_hanum)); 1003 return (gccb); 1004 } 1005 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1006 gccb->gc_ucmd = ucmd; 1007 gccb->gc_service = ucmd->service; 1008 gccb->gc_flags = GDT_GCF_IOCTL; 1009 1010 /* check DPMEM space, copy data buffer from user space */ 1011 if (ucmd->service == GDT_CACHESERVICE) { 1012 if (ucmd->OpCode == GDT_IOCTL) { 1013 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, 1014 sizeof(u_int32_t)); 1015 cnt = ucmd->u.ioctl.param_size; 1016 if (cnt > GDT_SCRATCH_SZ) { 1017 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1018 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1019 gdt_free_ccb(gdt, gccb); 1020 return (NULL); 1021 } 1022 } else { 1023 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1024 GDT_SG_SZ, sizeof(u_int32_t)); 1025 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1026 if (cnt > GDT_SCRATCH_SZ) { 1027 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1028 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1029 gdt_free_ccb(gdt, gccb); 1030 return (NULL); 1031 } 1032 } 1033 } else { 1034 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1035 GDT_SG_SZ, sizeof(u_int32_t)); 1036 cnt = ucmd->u.raw.sdlen; 1037 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { 1038 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1039 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); 1040 gdt_free_ccb(gdt, gccb); 1041 return (NULL); 1042 } 1043 } 1044 if (cnt != 0) 1045 bcopy(ucmd->data, gccb->gc_scratch, cnt); 1046 1047 if (gdt->sc_cmd_off + gccb->gc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > 1048 gdt->sc_ic_all_size) { 1049 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", 1050 gdt->sc_hanum)); 1051 gdt_free_ccb(gdt, gccb); 1052 return (NULL); 1053 } 1054 1055 if (gdt->sc_cmd_cnt == 0) 1056 gdt->sc_set_sema0(gdt); 1057 crit_exit(); 1058 1059 /* fill cmd structure */ 1060 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1061 gccb->gc_cmd_index); 1062 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, 1063 ucmd->OpCode); 1064 1065 if (ucmd->service == GDT_CACHESERVICE) { 1066 if (ucmd->OpCode == GDT_IOCTL) { 1067 /* IOCTL */ 1068 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, 1069 ucmd->u.ioctl.param_size); 1070 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, 1071 ucmd->u.ioctl.subfunc); 1072 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, 1073 ucmd->u.ioctl.channel); 1074 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 1075 gccb->gc_scratch_busbase); 1076 } else { 1077 /* cache service command */ 1078 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 1079 ucmd->u.cache.DeviceNo); 1080 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 1081 ucmd->u.cache.BlockNo); 1082 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 1083 ucmd->u.cache.BlockCnt); 1084 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1085 0xffffffffUL); 1086 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1087 1); 1088 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1089 GDT_SG_PTR, gccb->gc_scratch_busbase); 1090 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1091 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); 1092 } 1093 } else { 1094 /* raw service command */ 1095 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 1096 ucmd->u.raw.direction); 1097 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1098 0xffffffffUL); 1099 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 1100 ucmd->u.raw.sdlen); 1101 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 1102 ucmd->u.raw.clen); 1103 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 1104 12); 1105 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 1106 ucmd->u.raw.target; 1107 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 1108 ucmd->u.raw.lun; 1109 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 1110 ucmd->u.raw.bus; 1111 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 1112 ucmd->u.raw.sense_len); 1113 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 1114 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen); 1115 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1116 1); 1117 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1118 GDT_SG_PTR, gccb->gc_scratch_busbase); 1119 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1120 GDT_SG_LEN, ucmd->u.raw.sdlen); 1121 } 1122 1123 crit_enter(); 1124 gdt_stat.sg_count_act = 1; 1125 gdt->sc_copy_cmd(gdt, gccb); 1126 return (gccb); 1127 } 1128 1129 static void 1130 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) 1131 { 1132 int t; 1133 1134 t = ccb->ccb_h.target_id; 1135 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", 1136 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); 1137 1138 switch (ccb->csio.cdb_io.cdb_bytes[0]) { 1139 case TEST_UNIT_READY: 1140 case START_STOP: 1141 break; 1142 case REQUEST_SENSE: 1143 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); 1144 break; 1145 case INQUIRY: 1146 { 1147 struct scsi_inquiry_data inq; 1148 size_t copylen = MIN(sizeof(inq), ccb->csio.dxfer_len); 1149 1150 bzero(&inq, sizeof(inq)); 1151 inq.device = (gdt->sc_hdr[t].hd_devtype & 4) ? 1152 T_CDROM : T_DIRECT; 1153 inq.dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; 1154 inq.version = SCSI_REV_2; 1155 inq.response_format = 2; 1156 inq.additional_length = 32; 1157 inq.flags = SID_CmdQue | SID_Sync; 1158 strncpy(inq.vendor, gdt->oem_name, sizeof(inq.vendor)); 1159 ksnprintf(inq.product, sizeof(inq.product), 1160 "Host Drive #%02d", t); 1161 strncpy(inq.revision, " ", sizeof(inq.revision)); 1162 bcopy(&inq, ccb->csio.data_ptr, copylen ); 1163 if( ccb->csio.dxfer_len > copylen ) 1164 bzero( ccb->csio.data_ptr+copylen, 1165 ccb->csio.dxfer_len - copylen ); 1166 break; 1167 } 1168 case MODE_SENSE_6: 1169 { 1170 struct mpd_data { 1171 struct scsi_mode_hdr_6 hd; 1172 struct scsi_mode_block_descr bd; 1173 struct scsi_control_page cp; 1174 } mpd; 1175 size_t copylen = MIN(sizeof(mpd), ccb->csio.dxfer_len); 1176 u_int8_t page; 1177 1178 /*mpd = (struct mpd_data *)ccb->csio.data_ptr;*/ 1179 bzero(&mpd, sizeof(mpd)); 1180 mpd.hd.datalen = sizeof(struct scsi_mode_hdr_6) + 1181 sizeof(struct scsi_mode_block_descr); 1182 mpd.hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; 1183 mpd.hd.block_descr_len = sizeof(struct scsi_mode_block_descr); 1184 mpd.bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; 1185 mpd.bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; 1186 mpd.bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); 1187 1188 bcopy(&mpd, ccb->csio.data_ptr, copylen ); 1189 if( ccb->csio.dxfer_len > copylen ) 1190 bzero( ccb->csio.data_ptr+copylen, 1191 ccb->csio.dxfer_len - copylen ); 1192 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; 1193 switch (page) { 1194 default: 1195 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); 1196 break; 1197 } 1198 break; 1199 } 1200 case READ_CAPACITY: 1201 { 1202 struct scsi_read_capacity_data rcd; 1203 size_t copylen = MIN(sizeof(rcd), ccb->csio.dxfer_len); 1204 1205 /*rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;*/ 1206 bzero(&rcd, sizeof(rcd)); 1207 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd.addr); 1208 scsi_ulto4b(GDT_SECTOR_SIZE, rcd.length); 1209 bcopy(&rcd, ccb->csio.data_ptr, copylen ); 1210 if( ccb->csio.dxfer_len > copylen ) 1211 bzero( ccb->csio.data_ptr+copylen, 1212 ccb->csio.dxfer_len - copylen ); 1213 break; 1214 } 1215 default: 1216 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", 1217 ccb->csio.cdb_io.cdb_bytes[0])); 1218 break; 1219 } 1220 ccb->ccb_h.status |= CAM_REQ_CMP; 1221 --gdt_stat.io_count_act; 1222 xpt_done(ccb); 1223 } 1224 1225 static void 1226 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1227 { 1228 bus_addr_t *busaddrp; 1229 1230 busaddrp = (bus_addr_t *)arg; 1231 *busaddrp = dm_segs->ds_addr; 1232 } 1233 1234 static void 1235 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1236 { 1237 struct gdt_ccb *gccb; 1238 union ccb *ccb; 1239 struct gdt_softc *gdt; 1240 int i; 1241 1242 crit_enter(); 1243 1244 gccb = (struct gdt_ccb *)arg; 1245 ccb = gccb->gc_ccb; 1246 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); 1247 1248 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", 1249 gdt, gccb, dm_segs, nseg, error)); 1250 gdt_stat.sg_count_act = nseg; 1251 if (nseg > gdt_stat.sg_count_max) 1252 gdt_stat.sg_count_max = nseg; 1253 1254 /* Copy the segments into our SG list */ 1255 if (gccb->gc_service == GDT_CACHESERVICE) { 1256 for (i = 0; i < nseg; ++i) { 1257 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1258 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1259 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1260 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1261 dm_segs++; 1262 } 1263 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1264 nseg); 1265 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1266 0xffffffffUL); 1267 1268 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1269 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1270 } else { 1271 for (i = 0; i < nseg; ++i) { 1272 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1273 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1274 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1275 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1276 dm_segs++; 1277 } 1278 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1279 nseg); 1280 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1281 0xffffffffUL); 1282 1283 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1284 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1285 } 1286 1287 if (nseg != 0) { 1288 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1289 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1290 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1291 } 1292 1293 /* We must NOT abort the command here if CAM_REQ_INPROG is not set, 1294 * because command semaphore is already set! 1295 */ 1296 1297 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1298 /* timeout handling */ 1299 callout_reset(ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000, 1300 iir_timeout, gccb); 1301 1302 gdt->sc_copy_cmd(gdt, gccb); 1303 crit_exit(); 1304 } 1305 1306 1307 static void 1308 iir_action( struct cam_sim *sim, union ccb *ccb ) 1309 { 1310 struct gdt_softc *gdt; 1311 int bus, target; 1312 #ifdef GDT_DEBUG 1313 int lun; 1314 #endif 1315 1316 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1317 ccb->ccb_h.ccb_sim_ptr = sim; 1318 bus = cam_sim_bus(sim); 1319 target = ccb->ccb_h.target_id; 1320 #ifdef GDT_DEBUG 1321 lun = ccb->ccb_h.target_lun; 1322 #endif 1323 GDT_DPRINTF(GDT_D_CMD, 1324 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n", 1325 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0], 1326 bus, target, lun)); 1327 ++gdt_stat.io_count_act; 1328 if (gdt_stat.io_count_act > gdt_stat.io_count_max) 1329 gdt_stat.io_count_max = gdt_stat.io_count_act; 1330 1331 switch (ccb->ccb_h.func_code) { 1332 case XPT_SCSI_IO: 1333 crit_enter(); 1334 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1335 ++gdt_stat.req_queue_act; 1336 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1337 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1338 crit_exit(); 1339 gdt_next(gdt); 1340 break; 1341 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1342 case XPT_ABORT: /* Abort the specified CCB */ 1343 /* XXX Implement */ 1344 ccb->ccb_h.status = CAM_REQ_INVALID; 1345 --gdt_stat.io_count_act; 1346 xpt_done(ccb); 1347 break; 1348 case XPT_SET_TRAN_SETTINGS: 1349 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1350 --gdt_stat.io_count_act; 1351 xpt_done(ccb); 1352 break; 1353 case XPT_GET_TRAN_SETTINGS: 1354 /* Get default/user set transfer settings for the target */ 1355 { 1356 struct ccb_trans_settings *cts = &ccb->cts; 1357 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 1358 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 1359 1360 cts->protocol = PROTO_SCSI; 1361 cts->protocol_version = SCSI_REV_2; 1362 cts->transport = XPORT_SPI; 1363 cts->transport_version = 2; 1364 1365 if (cts->type == CTS_TYPE_USER_SETTINGS) { 1366 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 1367 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1368 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 1369 spi->sync_period = 25; /* 10MHz */ 1370 if (spi->sync_period != 0) 1371 spi->sync_offset = 15; 1372 1373 spi->valid = CTS_SPI_VALID_SYNC_RATE 1374 | CTS_SPI_VALID_SYNC_OFFSET 1375 | CTS_SPI_VALID_BUS_WIDTH 1376 | CTS_SPI_VALID_DISC; 1377 scsi->valid = CTS_SCSI_VALID_TQ; 1378 ccb->ccb_h.status = CAM_REQ_CMP; 1379 } else { 1380 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1381 } 1382 --gdt_stat.io_count_act; 1383 xpt_done(ccb); 1384 break; 1385 } 1386 case XPT_CALC_GEOMETRY: 1387 { 1388 struct ccb_calc_geometry *ccg; 1389 u_int32_t secs_per_cylinder; 1390 1391 ccg = &ccb->ccg; 1392 ccg->heads = gdt->sc_hdr[target].hd_heads; 1393 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs; 1394 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1395 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1396 ccb->ccb_h.status = CAM_REQ_CMP; 1397 --gdt_stat.io_count_act; 1398 xpt_done(ccb); 1399 break; 1400 } 1401 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1402 { 1403 /* XXX Implement */ 1404 ccb->ccb_h.status = CAM_REQ_CMP; 1405 --gdt_stat.io_count_act; 1406 xpt_done(ccb); 1407 break; 1408 } 1409 case XPT_TERM_IO: /* Terminate the I/O process */ 1410 /* XXX Implement */ 1411 ccb->ccb_h.status = CAM_REQ_INVALID; 1412 --gdt_stat.io_count_act; 1413 xpt_done(ccb); 1414 break; 1415 case XPT_PATH_INQ: /* Path routing inquiry */ 1416 { 1417 struct ccb_pathinq *cpi = &ccb->cpi; 1418 1419 cpi->version_num = 1; 1420 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 1421 cpi->hba_inquiry |= PI_WIDE_16; 1422 cpi->target_sprt = 1; 1423 cpi->hba_misc = 0; 1424 cpi->hba_eng_cnt = 0; 1425 if (bus == gdt->sc_virt_bus) 1426 cpi->max_target = GDT_MAX_HDRIVES - 1; 1427 else if (gdt->sc_class & GDT_FC) 1428 cpi->max_target = GDT_MAXID_FC - 1; 1429 else 1430 cpi->max_target = GDT_MAXID - 1; 1431 cpi->max_lun = 7; 1432 cpi->unit_number = cam_sim_unit(sim); 1433 cpi->bus_id = bus; 1434 cpi->initiator_id = 1435 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]); 1436 cpi->base_transfer_speed = 3300; 1437 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1438 if (gdt->sc_vendor == PCI_VENDOR_INTEL) 1439 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); 1440 else 1441 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN); 1442 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1443 cpi->transport = XPORT_SPI; 1444 cpi->transport_version = 2; 1445 cpi->protocol = PROTO_SCSI; 1446 cpi->protocol_version = SCSI_REV_2; 1447 cpi->ccb_h.status = CAM_REQ_CMP; 1448 --gdt_stat.io_count_act; 1449 xpt_done(ccb); 1450 break; 1451 } 1452 default: 1453 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", 1454 gdt, ccb->ccb_h.func_code)); 1455 ccb->ccb_h.status = CAM_REQ_INVALID; 1456 --gdt_stat.io_count_act; 1457 xpt_done(ccb); 1458 break; 1459 } 1460 } 1461 1462 static void 1463 iir_poll( struct cam_sim *sim ) 1464 { 1465 struct gdt_softc *gdt; 1466 1467 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1468 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); 1469 iir_intr(gdt); 1470 } 1471 1472 static void 1473 iir_timeout(void *arg) 1474 { 1475 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb)); 1476 } 1477 1478 static void 1479 iir_shutdown( void *arg, int howto ) 1480 { 1481 struct gdt_softc *gdt; 1482 struct gdt_ccb *gccb; 1483 gdt_ucmd_t *ucmd; 1484 int i; 1485 1486 gdt = (struct gdt_softc *)arg; 1487 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); 1488 1489 kprintf("iir%d: Flushing all Host Drives. Please wait ... ", 1490 gdt->sc_hanum); 1491 1492 /* allocate ucmd buffer */ 1493 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_INTWAIT | M_ZERO); 1494 1495 /* wait for pending IOs */ 1496 crit_enter(); 1497 gdt->sc_state = GDT_SHUTDOWN; 1498 crit_exit(); 1499 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) 1500 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz); 1501 1502 /* flush */ 1503 for (i = 0; i < GDT_MAX_HDRIVES; ++i) { 1504 if (gdt->sc_hdr[i].hd_present) { 1505 ucmd->service = GDT_CACHESERVICE; 1506 ucmd->OpCode = GDT_FLUSH; 1507 ucmd->u.cache.DeviceNo = i; 1508 crit_enter(); 1509 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); 1510 ucmd->complete_flag = FALSE; 1511 crit_exit(); 1512 gdt_next(gdt); 1513 if (!ucmd->complete_flag) 1514 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz); 1515 } 1516 } 1517 1518 kfree(ucmd, M_DEVBUF); 1519 kprintf("Done.\n"); 1520 } 1521 1522 void 1523 iir_intr(void *arg) 1524 { 1525 struct gdt_softc *gdt = arg; 1526 struct gdt_intr_ctx ctx; 1527 struct gdt_ccb *gccb; 1528 gdt_ucmd_t *ucmd; 1529 u_int32_t cnt; 1530 1531 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); 1532 1533 /* If polling and we were not called from gdt_wait, just return */ 1534 if ((gdt->sc_state & GDT_POLLING) && 1535 !(gdt->sc_state & GDT_POLL_WAIT)) 1536 return; 1537 1538 if (!(gdt->sc_state & GDT_POLLING)) 1539 crit_enter(); 1540 gdt_wait_index = 0; 1541 1542 ctx.istatus = gdt->sc_get_status(gdt); 1543 if (ctx.istatus == 0x00) { 1544 if (!(gdt->sc_state & GDT_POLLING)) 1545 crit_exit(); 1546 gdt->sc_status = GDT_S_NO_STATUS; 1547 return; 1548 } 1549 1550 gdt->sc_intr(gdt, &ctx); 1551 1552 gdt->sc_status = ctx.cmd_status; 1553 gdt->sc_service = ctx.service; 1554 gdt->sc_info = ctx.info; 1555 gdt->sc_info2 = ctx.info2; 1556 1557 if (gdt->sc_state & GDT_POLL_WAIT) { 1558 gdt_wait_gdt = gdt; 1559 gdt_wait_index = ctx.istatus; 1560 } 1561 1562 if (ctx.istatus == GDT_ASYNCINDEX) { 1563 gdt_async_event(gdt, ctx.service); 1564 if (!(gdt->sc_state & GDT_POLLING)) 1565 crit_exit(); 1566 return; 1567 } 1568 if (ctx.istatus == GDT_SPEZINDEX) { 1569 GDT_DPRINTF(GDT_D_INVALID, 1570 ("iir%d: Service unknown or not initialized!\n", 1571 gdt->sc_hanum)); 1572 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1573 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1574 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); 1575 if (!(gdt->sc_state & GDT_POLLING)) 1576 crit_exit(); 1577 return; 1578 } 1579 1580 gccb = &gdt->sc_gccbs[ctx.istatus - 2]; 1581 ctx.service = gccb->gc_service; 1582 1583 switch (gccb->gc_flags) { 1584 case GDT_GCF_UNUSED: 1585 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", 1586 gdt->sc_hanum, ctx.istatus)); 1587 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1588 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1589 gdt->sc_dvr.eu.driver.index = ctx.istatus; 1590 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); 1591 gdt_free_ccb(gdt, gccb); 1592 /* fallthrough */ 1593 1594 case GDT_GCF_INTERNAL: 1595 if (!(gdt->sc_state & GDT_POLLING)) 1596 crit_exit(); 1597 break; 1598 1599 case GDT_GCF_IOCTL: 1600 ucmd = gccb->gc_ucmd; 1601 if (gdt->sc_status == GDT_S_BSY) { 1602 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", 1603 gdt, gccb)); 1604 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 1605 if (!(gdt->sc_state & GDT_POLLING)) 1606 crit_exit(); 1607 } else { 1608 ucmd->status = gdt->sc_status; 1609 ucmd->info = gdt->sc_info; 1610 ucmd->complete_flag = TRUE; 1611 if (ucmd->service == GDT_CACHESERVICE) { 1612 if (ucmd->OpCode == GDT_IOCTL) { 1613 cnt = ucmd->u.ioctl.param_size; 1614 if (cnt != 0) 1615 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1616 } else { 1617 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1618 if (cnt != 0) 1619 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1620 } 1621 } else { 1622 cnt = ucmd->u.raw.sdlen; 1623 if (cnt != 0) 1624 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1625 if (ucmd->u.raw.sense_len != 0) 1626 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1627 } 1628 gdt_free_ccb(gdt, gccb); 1629 if (!(gdt->sc_state & GDT_POLLING)) 1630 crit_exit(); 1631 /* wakeup */ 1632 wakeup(ucmd); 1633 } 1634 gdt_next(gdt); 1635 break; 1636 1637 default: 1638 gdt_free_ccb(gdt, gccb); 1639 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); 1640 if (!(gdt->sc_state & GDT_POLLING)) 1641 crit_exit(); 1642 gdt_next(gdt); 1643 break; 1644 } 1645 } 1646 1647 static int 1648 gdt_async_event(struct gdt_softc *gdt, int service) 1649 { 1650 struct gdt_ccb *gccb; 1651 1652 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); 1653 1654 if (service == GDT_SCREENSERVICE) { 1655 if (gdt->sc_status == GDT_MSG_REQUEST) { 1656 while (gdt->sc_test_busy(gdt)) 1657 DELAY(1); 1658 gccb = gdt_get_ccb(gdt); 1659 if (gccb == NULL) { 1660 kprintf("iir%d: No free command index found\n", 1661 gdt->sc_hanum); 1662 return (1); 1663 } 1664 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1665 gccb->gc_service = service; 1666 gccb->gc_flags = GDT_GCF_SCREEN; 1667 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1668 gccb->gc_cmd_index); 1669 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1670 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1671 GDT_MSG_INV_HANDLE); 1672 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1673 gccb->gc_scratch_busbase); 1674 gdt->sc_set_sema0(gdt); 1675 gdt->sc_cmd_off = 0; 1676 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1677 sizeof(u_int32_t)); 1678 gdt->sc_cmd_cnt = 0; 1679 gdt->sc_copy_cmd(gdt, gccb); 1680 kprintf("iir%d: [PCI %d/%d] ", 1681 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); 1682 gdt->sc_release_event(gdt); 1683 } 1684 1685 } else { 1686 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { 1687 gdt->sc_dvr.size = 0; 1688 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1689 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1690 /* severity and event_string already set! */ 1691 } else { 1692 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); 1693 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1694 gdt->sc_dvr.eu.async.service = service; 1695 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1696 gdt->sc_dvr.eu.async.info = gdt->sc_info; 1697 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; 1698 } 1699 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); 1700 kprintf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); 1701 } 1702 1703 return (0); 1704 } 1705 1706 static int 1707 gdt_sync_event(struct gdt_softc *gdt, int service, 1708 u_int8_t index, struct gdt_ccb *gccb) 1709 { 1710 union ccb *ccb; 1711 1712 GDT_DPRINTF(GDT_D_INTR, 1713 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); 1714 1715 ccb = gccb->gc_ccb; 1716 1717 if (service == GDT_SCREENSERVICE) { 1718 u_int32_t msg_len; 1719 1720 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); 1721 if (msg_len) 1722 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1723 gccb->gc_scratch[GDT_SCR_MSG_EXT])) { 1724 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; 1725 kprintf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); 1726 } 1727 1728 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && 1729 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { 1730 while (gdt->sc_test_busy(gdt)) 1731 DELAY(1); 1732 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1733 gccb = gdt_get_ccb(gdt); 1734 if (gccb == NULL) { 1735 kprintf("iir%d: No free command index found\n", 1736 gdt->sc_hanum); 1737 return (1); 1738 } 1739 gccb->gc_service = service; 1740 gccb->gc_flags = GDT_GCF_SCREEN; 1741 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1742 gccb->gc_cmd_index); 1743 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1744 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1745 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1746 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1747 gccb->gc_scratch_busbase); 1748 gdt->sc_set_sema0(gdt); 1749 gdt->sc_cmd_off = 0; 1750 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1751 sizeof(u_int32_t)); 1752 gdt->sc_cmd_cnt = 0; 1753 gdt->sc_copy_cmd(gdt, gccb); 1754 gdt->sc_release_event(gdt); 1755 return (0); 1756 } 1757 1758 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1759 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { 1760 /* default answers (getchar() not possible) */ 1761 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { 1762 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); 1763 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); 1764 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; 1765 } else { 1766 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 1767 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); 1768 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); 1769 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; 1770 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; 1771 } 1772 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; 1773 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; 1774 while (gdt->sc_test_busy(gdt)) 1775 DELAY(1); 1776 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1777 gccb = gdt_get_ccb(gdt); 1778 if (gccb == NULL) { 1779 kprintf("iir%d: No free command index found\n", 1780 gdt->sc_hanum); 1781 return (1); 1782 } 1783 gccb->gc_service = service; 1784 gccb->gc_flags = GDT_GCF_SCREEN; 1785 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1786 gccb->gc_cmd_index); 1787 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 1788 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1789 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1790 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1791 gccb->gc_scratch_busbase); 1792 gdt->sc_set_sema0(gdt); 1793 gdt->sc_cmd_off = 0; 1794 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1795 sizeof(u_int32_t)); 1796 gdt->sc_cmd_cnt = 0; 1797 gdt->sc_copy_cmd(gdt, gccb); 1798 gdt->sc_release_event(gdt); 1799 return (0); 1800 } 1801 kprintf("\n"); 1802 return (0); 1803 } else { 1804 callout_stop(ccb->ccb_h.timeout_ch); 1805 if (gdt->sc_status == GDT_S_BSY) { 1806 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", 1807 gdt, gccb)); 1808 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1809 ++gdt_stat.req_queue_act; 1810 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1811 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1812 return (2); 1813 } 1814 1815 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1816 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1817 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1818 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap); 1819 1820 ccb->csio.resid = 0; 1821 if (gdt->sc_status == GDT_S_OK) { 1822 ccb->ccb_h.status |= CAM_REQ_CMP; 1823 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1824 } else { 1825 /* error */ 1826 if (gccb->gc_service == GDT_CACHESERVICE) { 1827 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; 1828 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1829 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1830 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 1831 ccb->csio.sense_data.error_code = 1832 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; 1833 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY; 1834 1835 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); 1836 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; 1837 gdt->sc_dvr.eu.sync.service = service; 1838 gdt->sc_dvr.eu.sync.status = gdt->sc_status; 1839 gdt->sc_dvr.eu.sync.info = gdt->sc_info; 1840 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; 1841 if (gdt->sc_status >= 0x8000) 1842 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); 1843 else 1844 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); 1845 } else { 1846 /* raw service */ 1847 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { 1848 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1849 } else { 1850 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; 1851 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1852 ccb->csio.scsi_status = gdt->sc_info; 1853 bcopy(gccb->gc_scratch, &ccb->csio.sense_data, 1854 ccb->csio.sense_len); 1855 } 1856 } 1857 } 1858 --gdt_stat.io_count_act; 1859 xpt_done(ccb); 1860 } 1861 return (0); 1862 } 1863 1864 /* Controller event handling functions */ 1865 gdt_evt_str * 1866 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt) 1867 { 1868 gdt_evt_str *e; 1869 struct timeval tv; 1870 1871 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); 1872 if (source == 0) /* no source -> no event */ 1873 return 0; 1874 1875 if (ebuffer[elastidx].event_source == source && 1876 ebuffer[elastidx].event_idx == idx && 1877 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && 1878 !memcmp((char *)&ebuffer[elastidx].event_data.eu, 1879 (char *)&evt->eu, evt->size)) || 1880 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && 1881 !strcmp((char *)&ebuffer[elastidx].event_data.event_string, 1882 (char *)&evt->event_string)))) { 1883 e = &ebuffer[elastidx]; 1884 getmicrotime(&tv); 1885 e->last_stamp = tv.tv_sec; 1886 ++e->same_count; 1887 } else { 1888 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ 1889 ++elastidx; 1890 if (elastidx == GDT_MAX_EVENTS) 1891 elastidx = 0; 1892 if (elastidx == eoldidx) { /* reached mark ? */ 1893 ++eoldidx; 1894 if (eoldidx == GDT_MAX_EVENTS) 1895 eoldidx = 0; 1896 } 1897 } 1898 e = &ebuffer[elastidx]; 1899 e->event_source = source; 1900 e->event_idx = idx; 1901 getmicrotime(&tv); 1902 e->first_stamp = e->last_stamp = tv.tv_sec; 1903 e->same_count = 1; 1904 e->event_data = *evt; 1905 e->application = 0; 1906 } 1907 return e; 1908 } 1909 1910 int 1911 gdt_read_event(int handle, gdt_evt_str *estr) 1912 { 1913 gdt_evt_str *e; 1914 int eindex; 1915 1916 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); 1917 1918 /* disallow handles -2, -3 ... */ 1919 if (handle < -1) 1920 return -1; 1921 1922 crit_enter(); 1923 if (handle == -1) 1924 eindex = eoldidx; 1925 else 1926 eindex = handle; 1927 estr->event_source = 0; 1928 1929 if (eindex >= GDT_MAX_EVENTS) { 1930 crit_exit(); 1931 return eindex; 1932 } 1933 e = &ebuffer[eindex]; 1934 if (e->event_source != 0) { 1935 if (eindex != elastidx) { 1936 if (++eindex == GDT_MAX_EVENTS) 1937 eindex = 0; 1938 } else { 1939 eindex = -1; 1940 } 1941 memcpy(estr, e, sizeof(gdt_evt_str)); 1942 } 1943 crit_exit(); 1944 return eindex; 1945 } 1946 1947 void 1948 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) 1949 { 1950 gdt_evt_str *e; 1951 int found = FALSE; 1952 int eindex; 1953 1954 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); 1955 crit_enter(); 1956 eindex = eoldidx; 1957 for (;;) { 1958 e = &ebuffer[eindex]; 1959 if (e->event_source == 0) 1960 break; 1961 if ((e->application & application) == 0) { 1962 e->application |= application; 1963 found = TRUE; 1964 break; 1965 } 1966 if (eindex == elastidx) 1967 break; 1968 if (++eindex == GDT_MAX_EVENTS) 1969 eindex = 0; 1970 } 1971 if (found) 1972 memcpy(estr, e, sizeof(gdt_evt_str)); 1973 else 1974 estr->event_source = 0; 1975 crit_exit(); 1976 } 1977 1978 void 1979 gdt_clear_events(void) 1980 { 1981 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); 1982 1983 eoldidx = elastidx = 0; 1984 ebuffer[0].event_source = 0; 1985 } 1986