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 70 #include <dev/raid/iir/iir.h> 71 72 MALLOC_DEFINE(M_GDTBUF, "iirbuf", "iir driver buffer"); 73 74 struct gdt_softc *gdt_wait_gdt; 75 int gdt_wait_index; 76 77 #ifdef GDT_DEBUG 78 int gdt_debug = GDT_DEBUG; 79 #ifdef __SERIAL__ 80 #define MAX_SERBUF 160 81 static void ser_init(void); 82 static void ser_puts(char *str); 83 static void ser_putc(int c); 84 static char strbuf[MAX_SERBUF+1]; 85 #ifdef __COM2__ 86 #define COM_BASE 0x2f8 87 #else 88 #define COM_BASE 0x3f8 89 #endif 90 static void ser_init() 91 { 92 unsigned port=COM_BASE; 93 94 outb(port+3, 0x80); 95 outb(port+1, 0); 96 /* 19200 Baud, if 9600: outb(12,port) */ 97 outb(port, 6); 98 outb(port+3, 3); 99 outb(port+1, 0); 100 } 101 102 static void ser_puts(char *str) 103 { 104 char *ptr; 105 106 ser_init(); 107 for (ptr=str;*ptr;++ptr) 108 ser_putc((int)(*ptr)); 109 } 110 111 static void ser_putc(int c) 112 { 113 unsigned port=COM_BASE; 114 115 while ((inb(port+5) & 0x20)==0); 116 outb(port, c); 117 if (c==0x0a) 118 { 119 while ((inb(port+5) & 0x20)==0); 120 outb(port, 0x0d); 121 } 122 } 123 124 int 125 ser_kprintf(const char *fmt, ...) 126 { 127 __va_list args; 128 int i; 129 130 __va_start(args,fmt); 131 i = kvsprintf(strbuf,fmt,args); 132 ser_puts(strbuf); 133 __va_end(args); 134 return i; 135 } 136 #endif 137 #endif 138 139 /* The linked list of softc structures */ 140 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs); 141 /* controller cnt. */ 142 int gdt_cnt = 0; 143 /* event buffer */ 144 static gdt_evt_str ebuffer[GDT_MAX_EVENTS]; 145 static int elastidx, eoldidx; 146 /* statistics */ 147 gdt_statist_t gdt_stat; 148 149 /* Definitions for our use of the SIM private CCB area */ 150 #define ccb_sim_ptr spriv_ptr0 151 #define ccb_priority spriv_field1 152 153 static void iir_action(struct cam_sim *sim, union ccb *ccb); 154 static void iir_poll(struct cam_sim *sim); 155 static void iir_shutdown(void *arg, int howto); 156 static void iir_timeout(void *arg); 157 158 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, 159 int *secs); 160 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 161 u_int8_t service, u_int16_t opcode, 162 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); 163 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb, 164 int timeout); 165 166 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt); 167 168 static int gdt_sync_event(struct gdt_softc *gdt, int service, 169 u_int8_t index, struct gdt_ccb *gccb); 170 static int gdt_async_event(struct gdt_softc *gdt, int service); 171 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb); 172 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb); 173 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd); 174 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb); 175 176 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, 177 int nseg, int error); 178 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, 179 int nseg, int error); 180 181 int 182 iir_init(struct gdt_softc *gdt) 183 { 184 u_int16_t cdev_cnt; 185 int i, id, drv_cyls, drv_hds, drv_secs; 186 struct gdt_ccb *gccb; 187 188 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n")); 189 190 gdt->sc_state = GDT_POLLING; 191 gdt_clear_events(); 192 bzero(&gdt_stat, sizeof(gdt_statist_t)); 193 194 SLIST_INIT(&gdt->sc_free_gccb); 195 SLIST_INIT(&gdt->sc_pending_gccb); 196 TAILQ_INIT(&gdt->sc_ccb_queue); 197 TAILQ_INIT(&gdt->sc_ucmd_queue); 198 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links); 199 200 /* DMA tag for mapping buffers into device visible space. */ 201 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 202 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 203 /*highaddr*/BUS_SPACE_MAXADDR, 204 /*filter*/NULL, /*filterarg*/NULL, 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 /*filter*/NULL, 222 /*filterarg*/NULL, 223 GDT_MAXCMDS * GDT_SCRATCH_SZ, /* maxsize */ 224 /*nsegments*/1, 225 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 226 /*flags*/0, &gdt->sc_gcscratch_dmat) != 0) { 227 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_gcscratch_dmat) failed\n", 228 gdt->sc_hanum); 229 return (1); 230 } 231 gdt->sc_init_level++; 232 233 /* Allocation for our ccb scratch area */ 234 if (bus_dmamem_alloc(gdt->sc_gcscratch_dmat, (void *)&gdt->sc_gcscratch, 235 BUS_DMA_NOWAIT, &gdt->sc_gcscratch_dmamap) != 0) { 236 kprintf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gcscratch,...) failed\n", 237 gdt->sc_hanum); 238 return (1); 239 } 240 gdt->sc_init_level++; 241 242 /* And permanently map them */ 243 bus_dmamap_load(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap, 244 gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ, 245 gdtmapmem, &gdt->sc_gcscratch_busbase, /*flags*/0); 246 gdt->sc_init_level++; 247 248 /* Clear them out. */ 249 bzero(gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ); 250 251 /* Initialize the ccbs */ 252 gdt->sc_gccbs = kmalloc(sizeof(struct gdt_ccb) * GDT_MAXCMDS, M_GDTBUF, 253 M_INTWAIT | M_ZERO); 254 if (gdt->sc_gccbs == NULL) { 255 kprintf("iir%d: no memory for gccbs.\n", gdt->sc_hanum); 256 return (1); 257 } 258 for (i = GDT_MAXCMDS-1; i >= 0; i--) { 259 gccb = &gdt->sc_gccbs[i]; 260 gccb->gc_cmd_index = i + 2; 261 gccb->gc_flags = GDT_GCF_UNUSED; 262 gccb->gc_map_flag = FALSE; 263 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0, 264 &gccb->gc_dmamap) != 0) 265 return(1); 266 gccb->gc_map_flag = TRUE; 267 gccb->gc_scratch = &gdt->sc_gcscratch[GDT_SCRATCH_SZ * i]; 268 gccb->gc_scratch_busbase = gdt->sc_gcscratch_busbase + GDT_SCRATCH_SZ * i; 269 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 270 } 271 gdt->sc_init_level++; 272 273 /* create the control device */ 274 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum); 275 276 /* allocate ccb for gdt_internal_cmd() */ 277 gccb = gdt_get_ccb(gdt); 278 if (gccb == NULL) { 279 kprintf("iir%d: No free command index found\n", 280 gdt->sc_hanum); 281 return (1); 282 } 283 bzero(gccb->gc_cmd, GDT_CMD_SZ); 284 285 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT, 286 0, 0, 0)) { 287 kprintf("iir%d: Screen service initialization error %d\n", 288 gdt->sc_hanum, gdt->sc_status); 289 gdt_free_ccb(gdt, gccb); 290 return (1); 291 } 292 293 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO, 294 0, 0, 0); 295 296 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, 297 GDT_LINUX_OS, 0, 0)) { 298 kprintf("iir%d: Cache service initialization error %d\n", 299 gdt->sc_hanum, gdt->sc_status); 300 gdt_free_ccb(gdt, gccb); 301 return (1); 302 } 303 cdev_cnt = (u_int16_t)gdt->sc_info; 304 gdt->sc_fw_vers = gdt->sc_service; 305 306 /* Detect number of buses */ 307 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST); 308 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS; 309 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0; 310 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1; 311 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ); 312 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 313 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL, 314 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) { 315 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT]; 316 for (i = 0; i < gdt->sc_bus_cnt; i++) { 317 id = gccb->gc_scratch[GDT_IOC_HDR_SZ + 318 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID]; 319 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff; 320 } 321 } else { 322 /* New method failed, use fallback. */ 323 for (i = 0; i < GDT_MAXBUS; i++) { 324 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i); 325 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 326 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN, 327 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL, 328 GDT_GETCH_SZ)) { 329 if (i == 0) { 330 kprintf("iir%d: Cannot get channel count, " 331 "error %d\n", gdt->sc_hanum, gdt->sc_status); 332 gdt_free_ccb(gdt, gccb); 333 return (1); 334 } 335 break; 336 } 337 gdt->sc_bus_id[i] = 338 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ? 339 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff; 340 } 341 gdt->sc_bus_cnt = i; 342 } 343 /* add one "virtual" channel for the host drives */ 344 gdt->sc_virt_bus = gdt->sc_bus_cnt; 345 gdt->sc_bus_cnt++; 346 347 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT, 348 0, 0, 0)) { 349 kprintf("iir%d: Raw service initialization error %d\n", 350 gdt->sc_hanum, gdt->sc_status); 351 gdt_free_ccb(gdt, gccb); 352 return (1); 353 } 354 355 /* Set/get features raw service (scatter/gather) */ 356 gdt->sc_raw_feat = 0; 357 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT, 358 GDT_SCATTER_GATHER, 0, 0)) { 359 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT, 360 0, 0, 0)) { 361 gdt->sc_raw_feat = gdt->sc_info; 362 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 363 panic("iir%d: Scatter/Gather Raw Service " 364 "required but not supported!\n", gdt->sc_hanum); 365 gdt_free_ccb(gdt, gccb); 366 return (1); 367 } 368 } 369 } 370 371 /* Set/get features cache service (scatter/gather) */ 372 gdt->sc_cache_feat = 0; 373 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT, 374 0, GDT_SCATTER_GATHER, 0)) { 375 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT, 376 0, 0, 0)) { 377 gdt->sc_cache_feat = gdt->sc_info; 378 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 379 panic("iir%d: Scatter/Gather Cache Service " 380 "required but not supported!\n", gdt->sc_hanum); 381 gdt_free_ccb(gdt, gccb); 382 return (1); 383 } 384 } 385 } 386 387 /* OEM */ 388 gdt_enc32(gccb->gc_scratch + GDT_OEM_VERSION, 0x01); 389 gdt_enc32(gccb->gc_scratch + GDT_OEM_BUFSIZE, sizeof(gdt_oem_record_t)); 390 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 391 GDT_OEM_STR_RECORD, GDT_INVALID_CHANNEL, 392 sizeof(gdt_oem_str_record_t))) { 393 strncpy(gdt->oem_name, ((gdt_oem_str_record_t *) 394 gccb->gc_scratch)->text.scsi_host_drive_inquiry_vendor_id, 7); 395 gdt->oem_name[7]='\0'; 396 } else { 397 /* Old method, based on PCI ID */ 398 if (gdt->sc_vendor == INTEL_VENDOR_ID) 399 strcpy(gdt->oem_name,"Intel "); 400 else 401 strcpy(gdt->oem_name,"ICP "); 402 } 403 404 /* Scan for cache devices */ 405 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) { 406 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO, 407 i, 0, 0)) { 408 gdt->sc_hdr[i].hd_present = 1; 409 gdt->sc_hdr[i].hd_size = gdt->sc_info; 410 411 /* 412 * Evaluate mapping (sectors per head, heads per cyl) 413 */ 414 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32; 415 if (gdt->sc_info2 == 0) 416 gdt_eval_mapping(gdt->sc_hdr[i].hd_size, 417 &drv_cyls, &drv_hds, &drv_secs); 418 else { 419 drv_hds = gdt->sc_info2 & 0xff; 420 drv_secs = (gdt->sc_info2 >> 8) & 0xff; 421 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds / 422 drv_secs; 423 } 424 gdt->sc_hdr[i].hd_heads = drv_hds; 425 gdt->sc_hdr[i].hd_secs = drv_secs; 426 /* Round the size */ 427 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; 428 429 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, 430 GDT_DEVTYPE, i, 0, 0)) 431 gdt->sc_hdr[i].hd_devtype = gdt->sc_info; 432 } 433 } 434 435 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n", 436 gdt->sc_dpmembase, 437 gdt->sc_bus_cnt, cdev_cnt, 438 cdev_cnt == 1 ? "" : "s")); 439 gdt_free_ccb(gdt, gccb); 440 441 gdt_cnt++; 442 return (0); 443 } 444 445 void 446 iir_free(struct gdt_softc *gdt) 447 { 448 int i; 449 450 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n")); 451 452 switch (gdt->sc_init_level) { 453 default: 454 gdt_destroy_dev(gdt->sc_dev); 455 case 5: 456 for (i = GDT_MAXCMDS-1; i >= 0; i--) 457 if (gdt->sc_gccbs[i].gc_map_flag) 458 bus_dmamap_destroy(gdt->sc_buffer_dmat, 459 gdt->sc_gccbs[i].gc_dmamap); 460 bus_dmamap_unload(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap); 461 kfree(gdt->sc_gccbs, M_GDTBUF); 462 case 4: 463 bus_dmamem_free(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch, gdt->sc_gcscratch_dmamap); 464 case 3: 465 bus_dma_tag_destroy(gdt->sc_gcscratch_dmat); 466 case 2: 467 bus_dma_tag_destroy(gdt->sc_buffer_dmat); 468 case 1: 469 bus_dma_tag_destroy(gdt->sc_parent_dmat); 470 case 0: 471 break; 472 } 473 TAILQ_REMOVE(&gdt_softcs, gdt, links); 474 } 475 476 void 477 iir_attach(struct gdt_softc *gdt) 478 { 479 struct cam_devq *devq; 480 int i; 481 482 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n")); 483 484 /* 485 * Create the device queue for our SIM. 486 * XXX Throttle this down since the card has problems under load. 487 */ 488 devq = cam_simq_alloc(32); 489 if (devq == NULL) 490 return; 491 492 for (i = 0; i < gdt->sc_bus_cnt; i++) { 493 /* 494 * Construct our SIM entry 495 */ 496 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir", 497 gdt, gdt->sc_hanum, &sim_mplock, 498 /*untagged*/1, 499 /*tagged*/GDT_MAXCMDS, devq); 500 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) { 501 cam_sim_free(gdt->sims[i]); 502 break; 503 } 504 505 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, 506 cam_sim_path(gdt->sims[i]), 507 CAM_TARGET_WILDCARD, 508 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 509 xpt_bus_deregister(cam_sim_path(gdt->sims[i])); 510 cam_sim_free(gdt->sims[i]); 511 break; 512 } 513 } 514 cam_simq_release(devq); 515 if (i > 0) 516 EVENTHANDLER_REGISTER(shutdown_post_sync, iir_shutdown, 517 gdt, SHUTDOWN_PRI_DRIVER); 518 gdt->sc_state = GDT_NORMAL; 519 } 520 521 static void 522 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) 523 { 524 *cyls = size / GDT_HEADS / GDT_SECS; 525 if (*cyls < GDT_MAXCYLS) { 526 *heads = GDT_HEADS; 527 *secs = GDT_SECS; 528 } else { 529 /* Too high for 64 * 32 */ 530 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; 531 if (*cyls < GDT_MAXCYLS) { 532 *heads = GDT_MEDHEADS; 533 *secs = GDT_MEDSECS; 534 } else { 535 /* Too high for 127 * 63 */ 536 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; 537 *heads = GDT_BIGHEADS; 538 *secs = GDT_BIGSECS; 539 } 540 } 541 } 542 543 static int 544 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, 545 int timeout) 546 { 547 int rv = 0; 548 549 GDT_DPRINTF(GDT_D_INIT, 550 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); 551 552 gdt->sc_state |= GDT_POLL_WAIT; 553 do { 554 iir_intr(gdt); 555 if (gdt == gdt_wait_gdt && 556 gccb->gc_cmd_index == gdt_wait_index) { 557 rv = 1; 558 break; 559 } 560 DELAY(1); 561 } while (--timeout); 562 gdt->sc_state &= ~GDT_POLL_WAIT; 563 564 while (gdt->sc_test_busy(gdt)) 565 DELAY(1); /* XXX correct? */ 566 567 return (rv); 568 } 569 570 static int 571 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 572 u_int8_t service, u_int16_t opcode, 573 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 574 { 575 int retries; 576 577 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", 578 gdt, service, opcode, arg1, arg2, arg3)); 579 580 bzero(gccb->gc_cmd, GDT_CMD_SZ); 581 582 for (retries = GDT_RETRIES; ; ) { 583 gccb->gc_service = service; 584 gccb->gc_flags = GDT_GCF_INTERNAL; 585 586 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 587 gccb->gc_cmd_index); 588 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 589 590 switch (service) { 591 case GDT_CACHESERVICE: 592 if (opcode == GDT_IOCTL) { 593 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 594 GDT_IOCTL_SUBFUNC, arg1); 595 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 596 GDT_IOCTL_CHANNEL, arg2); 597 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 598 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); 599 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 600 gccb->gc_scratch_busbase); 601 } else { 602 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 603 GDT_CACHE_DEVICENO, (u_int16_t)arg1); 604 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 605 GDT_CACHE_BLOCKNO, arg2); 606 } 607 break; 608 609 case GDT_SCSIRAWSERVICE: 610 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 611 GDT_RAW_DIRECTION, arg1); 612 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 613 (u_int8_t)arg2; 614 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 615 (u_int8_t)arg3; 616 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 617 (u_int8_t)(arg3 >> 8); 618 } 619 620 gdt->sc_set_sema0(gdt); 621 gccb->gc_cmd_len = GDT_CMD_SZ; 622 gdt->sc_cmd_off = 0; 623 gdt->sc_cmd_cnt = 0; 624 gdt->sc_copy_cmd(gdt, gccb); 625 gdt->sc_release_event(gdt); 626 DELAY(20); 627 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) 628 return (0); 629 if (gdt->sc_status != GDT_S_BSY || --retries == 0) 630 break; 631 DELAY(1); 632 } 633 return (gdt->sc_status == GDT_S_OK); 634 } 635 636 static struct gdt_ccb * 637 gdt_get_ccb(struct gdt_softc *gdt) 638 { 639 struct gdt_ccb *gccb; 640 641 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); 642 643 crit_enter(); 644 gccb = SLIST_FIRST(&gdt->sc_free_gccb); 645 if (gccb != NULL) { 646 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); 647 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); 648 ++gdt_stat.cmd_index_act; 649 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) 650 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; 651 } 652 crit_exit(); 653 return (gccb); 654 } 655 656 void 657 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) 658 { 659 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); 660 661 crit_enter(); 662 gccb->gc_flags = GDT_GCF_UNUSED; 663 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); 664 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 665 --gdt_stat.cmd_index_act; 666 crit_exit(); 667 if (gdt->sc_state & GDT_SHUTDOWN) 668 wakeup(gccb); 669 } 670 671 void 672 gdt_next(struct gdt_softc *gdt) 673 { 674 union ccb *ccb; 675 gdt_ucmd_t *ucmd; 676 struct cam_sim *sim; 677 int bus, target, lun; 678 int next_cmd; 679 680 struct ccb_scsiio *csio; 681 struct ccb_hdr *ccbh; 682 struct gdt_ccb *gccb = NULL; 683 u_int8_t cmd; 684 685 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); 686 687 crit_enter(); 688 if (gdt->sc_test_busy(gdt)) { 689 if (!(gdt->sc_state & GDT_POLLING)) { 690 crit_exit(); 691 return; 692 } 693 while (gdt->sc_test_busy(gdt)) 694 DELAY(1); 695 } 696 697 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; 698 next_cmd = TRUE; 699 for (;;) { 700 /* I/Os in queue? controller ready? */ 701 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && 702 !TAILQ_FIRST(&gdt->sc_ccb_queue)) 703 break; 704 705 /* 1.: I/Os without ccb (IOCTLs) */ 706 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); 707 if (ucmd != NULL) { 708 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); 709 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) { 710 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 711 break; 712 } 713 break; 714 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ 715 } 716 717 /* 2.: I/Os with ccb */ 718 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); 719 /* ist dann immer != NULL, da oben getestet */ 720 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 721 bus = cam_sim_bus(sim); 722 target = ccb->ccb_h.target_id; 723 lun = ccb->ccb_h.target_lun; 724 725 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 726 --gdt_stat.req_queue_act; 727 /* ccb->ccb_h.func_code is XPT_SCSI_IO */ 728 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", 729 ccb->ccb_h.flags)); 730 csio = &ccb->csio; 731 ccbh = &ccb->ccb_h; 732 cmd = csio->cdb_io.cdb_bytes[0]; 733 /* Max CDB length is 12 bytes */ 734 if (csio->cdb_len > 12) { 735 ccbh->status = CAM_REQ_INVALID; 736 --gdt_stat.io_count_act; 737 xpt_done(ccb); 738 } else if (bus != gdt->sc_virt_bus) { 739 /* raw service command */ 740 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) { 741 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 742 sim_links.tqe); 743 ++gdt_stat.req_queue_act; 744 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 745 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 746 next_cmd = FALSE; 747 } 748 } else if (target >= GDT_MAX_HDRIVES || 749 !gdt->sc_hdr[target].hd_present || lun != 0) { 750 ccbh->status = CAM_DEV_NOT_THERE; 751 --gdt_stat.io_count_act; 752 xpt_done(ccb); 753 } else { 754 /* cache service command */ 755 if (cmd == READ_6 || cmd == WRITE_6 || 756 cmd == READ_10 || cmd == WRITE_10) { 757 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) { 758 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 759 sim_links.tqe); 760 ++gdt_stat.req_queue_act; 761 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 762 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 763 next_cmd = FALSE; 764 } 765 } else { 766 crit_exit(); 767 gdt_internal_cache_cmd(gdt, ccb); 768 crit_enter(); 769 } 770 } 771 if ((gdt->sc_state & GDT_POLLING) || !next_cmd) 772 break; 773 } 774 if (gdt->sc_cmd_cnt > 0) 775 gdt->sc_release_event(gdt); 776 777 crit_exit(); 778 779 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { 780 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); 781 } 782 } 783 784 static struct gdt_ccb * 785 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb) 786 { 787 struct gdt_ccb *gccb; 788 struct cam_sim *sim; 789 790 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); 791 792 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + 793 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 794 gdt->sc_ic_all_size) { 795 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", 796 gdt->sc_hanum)); 797 return (NULL); 798 } 799 800 gccb = gdt_get_ccb(gdt); 801 if (gccb == NULL) { 802 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n", 803 gdt->sc_hanum)); 804 return (gccb); 805 } 806 bzero(gccb->gc_cmd, GDT_CMD_SZ); 807 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 808 gccb->gc_ccb = ccb; 809 gccb->gc_service = GDT_SCSIRAWSERVICE; 810 gccb->gc_flags = GDT_GCF_SCSI; 811 812 if (gdt->sc_cmd_cnt == 0) 813 gdt->sc_set_sema0(gdt); 814 crit_exit(); 815 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 816 gccb->gc_cmd_index); 817 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 818 819 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 820 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 821 GDT_DATA_IN : GDT_DATA_OUT); 822 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 823 ccb->csio.dxfer_len); 824 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 825 ccb->csio.cdb_len); 826 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 827 ccb->csio.cdb_len); 828 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 829 ccb->ccb_h.target_id; 830 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 831 ccb->ccb_h.target_lun; 832 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 833 cam_sim_bus(sim); 834 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 835 sizeof(struct scsi_sense_data)); 836 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 837 gccb->gc_scratch_busbase); 838 839 /* 840 * If we have any data to send with this command, 841 * map it into bus space. 842 */ 843 /* Only use S/G if there is a transfer */ 844 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 845 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 846 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 847 int error; 848 849 /* vorher unlock von splcam() ??? */ 850 crit_enter(); 851 error = 852 bus_dmamap_load(gdt->sc_buffer_dmat, 853 gccb->gc_dmamap, 854 ccb->csio.data_ptr, 855 ccb->csio.dxfer_len, 856 gdtexecuteccb, 857 gccb, /*flags*/0); 858 if (error == EINPROGRESS) { 859 xpt_freeze_simq(sim, 1); 860 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 861 } 862 crit_exit(); 863 } else { 864 panic("iir: CAM_DATA_PHYS not supported"); 865 } 866 } else { 867 struct bus_dma_segment *segs; 868 869 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 870 panic("iir%d: iir_action - Physical " 871 "segment pointers unsupported", gdt->sc_hanum); 872 873 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 874 panic("iir%d: iir_action - Virtual " 875 "segment addresses unsupported", gdt->sc_hanum); 876 877 /* Just use the segments provided */ 878 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 879 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 880 } 881 } else { 882 gdtexecuteccb(gccb, NULL, 0, 0); 883 } 884 885 crit_enter(); 886 return (gccb); 887 } 888 889 static struct gdt_ccb * 890 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb) 891 { 892 struct gdt_ccb *gccb; 893 struct cam_sim *sim; 894 u_int8_t *cmdp; 895 u_int16_t opcode; 896 u_int32_t blockno, blockcnt; 897 898 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); 899 900 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + 901 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 902 gdt->sc_ic_all_size) { 903 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", 904 gdt->sc_hanum)); 905 return (NULL); 906 } 907 908 gccb = gdt_get_ccb(gdt); 909 if (gccb == NULL) { 910 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 911 gdt->sc_hanum)); 912 return (gccb); 913 } 914 bzero(gccb->gc_cmd, GDT_CMD_SZ); 915 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 916 gccb->gc_ccb = ccb; 917 gccb->gc_service = GDT_CACHESERVICE; 918 gccb->gc_flags = GDT_GCF_SCSI; 919 920 if (gdt->sc_cmd_cnt == 0) 921 gdt->sc_set_sema0(gdt); 922 crit_exit(); 923 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 924 gccb->gc_cmd_index); 925 cmdp = ccb->csio.cdb_io.cdb_bytes; 926 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; 927 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) 928 opcode = GDT_WRITE_THR; 929 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 930 931 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 932 ccb->ccb_h.target_id); 933 if (ccb->csio.cdb_len == 6) { 934 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; 935 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); 936 blockcnt = rw->length ? rw->length : 0x100; 937 } else { 938 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; 939 blockno = scsi_4btoul(rw->addr); 940 blockcnt = scsi_2btoul(rw->length); 941 } 942 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 943 blockno); 944 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 945 blockcnt); 946 947 /* 948 * If we have any data to send with this command, 949 * map it into bus space. 950 */ 951 /* Only use S/G if there is a transfer */ 952 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 953 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 954 int error; 955 956 /* vorher unlock von splcam() ??? */ 957 crit_enter(); 958 error = 959 bus_dmamap_load(gdt->sc_buffer_dmat, 960 gccb->gc_dmamap, 961 ccb->csio.data_ptr, 962 ccb->csio.dxfer_len, 963 gdtexecuteccb, 964 gccb, /*flags*/0); 965 if (error == EINPROGRESS) { 966 xpt_freeze_simq(sim, 1); 967 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 968 } 969 crit_exit(); 970 } else { 971 panic("iir: CAM_DATA_PHYS not supported"); 972 } 973 } else { 974 struct bus_dma_segment *segs; 975 976 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 977 panic("iir%d: iir_action - Physical " 978 "segment pointers unsupported", gdt->sc_hanum); 979 980 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 981 panic("iir%d: iir_action - Virtual " 982 "segment addresses unsupported", gdt->sc_hanum); 983 984 /* Just use the segments provided */ 985 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 986 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 987 } 988 989 crit_enter(); 990 return (gccb); 991 } 992 993 static struct gdt_ccb * 994 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd) 995 { 996 struct gdt_ccb *gccb; 997 u_int32_t cnt; 998 999 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); 1000 1001 gccb = gdt_get_ccb(gdt); 1002 if (gccb == NULL) { 1003 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 1004 gdt->sc_hanum)); 1005 return (gccb); 1006 } 1007 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1008 gccb->gc_ucmd = ucmd; 1009 gccb->gc_service = ucmd->service; 1010 gccb->gc_flags = GDT_GCF_IOCTL; 1011 1012 /* check DPMEM space, copy data buffer from user space */ 1013 if (ucmd->service == GDT_CACHESERVICE) { 1014 if (ucmd->OpCode == GDT_IOCTL) { 1015 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, 1016 sizeof(u_int32_t)); 1017 cnt = ucmd->u.ioctl.param_size; 1018 if (cnt > GDT_SCRATCH_SZ) { 1019 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1020 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1021 gdt_free_ccb(gdt, gccb); 1022 return (NULL); 1023 } 1024 } else { 1025 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1026 GDT_SG_SZ, sizeof(u_int32_t)); 1027 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1028 if (cnt > GDT_SCRATCH_SZ) { 1029 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1030 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1031 gdt_free_ccb(gdt, gccb); 1032 return (NULL); 1033 } 1034 } 1035 } else { 1036 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1037 GDT_SG_SZ, sizeof(u_int32_t)); 1038 cnt = ucmd->u.raw.sdlen; 1039 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { 1040 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1041 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); 1042 gdt_free_ccb(gdt, gccb); 1043 return (NULL); 1044 } 1045 } 1046 if (cnt != 0) 1047 bcopy(ucmd->data, gccb->gc_scratch, cnt); 1048 1049 if (gdt->sc_cmd_off + gccb->gc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > 1050 gdt->sc_ic_all_size) { 1051 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", 1052 gdt->sc_hanum)); 1053 gdt_free_ccb(gdt, gccb); 1054 return (NULL); 1055 } 1056 1057 if (gdt->sc_cmd_cnt == 0) 1058 gdt->sc_set_sema0(gdt); 1059 crit_exit(); 1060 1061 /* fill cmd structure */ 1062 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1063 gccb->gc_cmd_index); 1064 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, 1065 ucmd->OpCode); 1066 1067 if (ucmd->service == GDT_CACHESERVICE) { 1068 if (ucmd->OpCode == GDT_IOCTL) { 1069 /* IOCTL */ 1070 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, 1071 ucmd->u.ioctl.param_size); 1072 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, 1073 ucmd->u.ioctl.subfunc); 1074 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, 1075 ucmd->u.ioctl.channel); 1076 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 1077 gccb->gc_scratch_busbase); 1078 } else { 1079 /* cache service command */ 1080 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 1081 ucmd->u.cache.DeviceNo); 1082 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 1083 ucmd->u.cache.BlockNo); 1084 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 1085 ucmd->u.cache.BlockCnt); 1086 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1087 0xffffffffUL); 1088 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1089 1); 1090 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1091 GDT_SG_PTR, gccb->gc_scratch_busbase); 1092 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1093 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); 1094 } 1095 } else { 1096 /* raw service command */ 1097 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 1098 ucmd->u.raw.direction); 1099 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1100 0xffffffffUL); 1101 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 1102 ucmd->u.raw.sdlen); 1103 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 1104 ucmd->u.raw.clen); 1105 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 1106 12); 1107 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 1108 ucmd->u.raw.target; 1109 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 1110 ucmd->u.raw.lun; 1111 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 1112 ucmd->u.raw.bus; 1113 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 1114 ucmd->u.raw.sense_len); 1115 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 1116 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen); 1117 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1118 1); 1119 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1120 GDT_SG_PTR, gccb->gc_scratch_busbase); 1121 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1122 GDT_SG_LEN, ucmd->u.raw.sdlen); 1123 } 1124 1125 crit_enter(); 1126 gdt_stat.sg_count_act = 1; 1127 gdt->sc_copy_cmd(gdt, gccb); 1128 return (gccb); 1129 } 1130 1131 static void 1132 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) 1133 { 1134 int t; 1135 1136 t = ccb->ccb_h.target_id; 1137 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", 1138 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); 1139 1140 switch (ccb->csio.cdb_io.cdb_bytes[0]) { 1141 case TEST_UNIT_READY: 1142 case START_STOP: 1143 break; 1144 case REQUEST_SENSE: 1145 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); 1146 break; 1147 case INQUIRY: 1148 { 1149 struct scsi_inquiry_data inq; 1150 size_t copylen = MIN(sizeof(inq), ccb->csio.dxfer_len); 1151 1152 bzero(&inq, sizeof(inq)); 1153 inq.device = (gdt->sc_hdr[t].hd_devtype & 4) ? 1154 T_CDROM : T_DIRECT; 1155 inq.dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; 1156 inq.version = SCSI_REV_2; 1157 inq.response_format = 2; 1158 inq.additional_length = 32; 1159 inq.flags = SID_CmdQue | SID_Sync; 1160 strncpy(inq.vendor, gdt->oem_name, sizeof(inq.vendor)); 1161 ksnprintf(inq.product, sizeof(inq.product), 1162 "Host Drive #%02d", t); 1163 strncpy(inq.revision, " ", sizeof(inq.revision)); 1164 bcopy(&inq, ccb->csio.data_ptr, copylen ); 1165 if( ccb->csio.dxfer_len > copylen ) 1166 bzero( ccb->csio.data_ptr+copylen, 1167 ccb->csio.dxfer_len - copylen ); 1168 break; 1169 } 1170 case MODE_SENSE_6: 1171 { 1172 struct mpd_data { 1173 struct scsi_mode_hdr_6 hd; 1174 struct scsi_mode_block_descr bd; 1175 struct scsi_control_page cp; 1176 } mpd; 1177 size_t copylen = MIN(sizeof(mpd), ccb->csio.dxfer_len); 1178 u_int8_t page; 1179 1180 /*mpd = (struct mpd_data *)ccb->csio.data_ptr;*/ 1181 bzero(&mpd, sizeof(mpd)); 1182 mpd.hd.datalen = sizeof(struct scsi_mode_hdr_6) + 1183 sizeof(struct scsi_mode_block_descr); 1184 mpd.hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; 1185 mpd.hd.block_descr_len = sizeof(struct scsi_mode_block_descr); 1186 mpd.bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; 1187 mpd.bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; 1188 mpd.bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); 1189 1190 bcopy(&mpd, ccb->csio.data_ptr, copylen ); 1191 if( ccb->csio.dxfer_len > copylen ) 1192 bzero( ccb->csio.data_ptr+copylen, 1193 ccb->csio.dxfer_len - copylen ); 1194 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; 1195 switch (page) { 1196 default: 1197 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); 1198 break; 1199 } 1200 break; 1201 } 1202 case READ_CAPACITY: 1203 { 1204 struct scsi_read_capacity_data rcd; 1205 size_t copylen = MIN(sizeof(rcd), ccb->csio.dxfer_len); 1206 1207 /*rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;*/ 1208 bzero(&rcd, sizeof(rcd)); 1209 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd.addr); 1210 scsi_ulto4b(GDT_SECTOR_SIZE, rcd.length); 1211 bcopy(&rcd, ccb->csio.data_ptr, copylen ); 1212 if( ccb->csio.dxfer_len > copylen ) 1213 bzero( ccb->csio.data_ptr+copylen, 1214 ccb->csio.dxfer_len - copylen ); 1215 break; 1216 } 1217 default: 1218 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", 1219 ccb->csio.cdb_io.cdb_bytes[0])); 1220 break; 1221 } 1222 ccb->ccb_h.status |= CAM_REQ_CMP; 1223 --gdt_stat.io_count_act; 1224 xpt_done(ccb); 1225 } 1226 1227 static void 1228 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1229 { 1230 bus_addr_t *busaddrp; 1231 1232 busaddrp = (bus_addr_t *)arg; 1233 *busaddrp = dm_segs->ds_addr; 1234 } 1235 1236 static void 1237 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1238 { 1239 struct gdt_ccb *gccb; 1240 union ccb *ccb; 1241 struct gdt_softc *gdt; 1242 int i; 1243 1244 crit_enter(); 1245 1246 gccb = (struct gdt_ccb *)arg; 1247 ccb = gccb->gc_ccb; 1248 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); 1249 1250 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", 1251 gdt, gccb, dm_segs, nseg, error)); 1252 gdt_stat.sg_count_act = nseg; 1253 if (nseg > gdt_stat.sg_count_max) 1254 gdt_stat.sg_count_max = nseg; 1255 1256 /* Copy the segments into our SG list */ 1257 if (gccb->gc_service == GDT_CACHESERVICE) { 1258 for (i = 0; i < nseg; ++i) { 1259 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1260 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1261 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1262 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1263 dm_segs++; 1264 } 1265 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1266 nseg); 1267 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1268 0xffffffffUL); 1269 1270 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1271 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1272 } else { 1273 for (i = 0; i < nseg; ++i) { 1274 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1275 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1276 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1277 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1278 dm_segs++; 1279 } 1280 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1281 nseg); 1282 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1283 0xffffffffUL); 1284 1285 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1286 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1287 } 1288 1289 if (nseg != 0) { 1290 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1291 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1292 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1293 } 1294 1295 /* We must NOT abort the command here if CAM_REQ_INPROG is not set, 1296 * because command semaphore is already set! 1297 */ 1298 1299 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1300 /* timeout handling */ 1301 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000, 1302 iir_timeout, gccb); 1303 1304 gdt->sc_copy_cmd(gdt, gccb); 1305 crit_exit(); 1306 } 1307 1308 1309 static void 1310 iir_action( struct cam_sim *sim, union ccb *ccb ) 1311 { 1312 struct gdt_softc *gdt; 1313 int bus, target; 1314 #ifdef GDT_DEBUG 1315 int lun; 1316 #endif 1317 1318 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1319 ccb->ccb_h.ccb_sim_ptr = sim; 1320 bus = cam_sim_bus(sim); 1321 target = ccb->ccb_h.target_id; 1322 #ifdef GDT_DEBUG 1323 lun = ccb->ccb_h.target_lun; 1324 #endif 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 if (gdt->sc_vendor == INTEL_VENDOR_ID) 1441 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); 1442 else 1443 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN); 1444 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1445 cpi->transport = XPORT_SPI; 1446 cpi->transport_version = 2; 1447 cpi->protocol = PROTO_SCSI; 1448 cpi->protocol_version = SCSI_REV_2; 1449 cpi->ccb_h.status = CAM_REQ_CMP; 1450 --gdt_stat.io_count_act; 1451 xpt_done(ccb); 1452 break; 1453 } 1454 default: 1455 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", 1456 gdt, ccb->ccb_h.func_code)); 1457 ccb->ccb_h.status = CAM_REQ_INVALID; 1458 --gdt_stat.io_count_act; 1459 xpt_done(ccb); 1460 break; 1461 } 1462 } 1463 1464 static void 1465 iir_poll( struct cam_sim *sim ) 1466 { 1467 struct gdt_softc *gdt; 1468 1469 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1470 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); 1471 iir_intr(gdt); 1472 } 1473 1474 static void 1475 iir_timeout(void *arg) 1476 { 1477 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb)); 1478 } 1479 1480 static void 1481 iir_shutdown( void *arg, int howto ) 1482 { 1483 struct gdt_softc *gdt; 1484 struct gdt_ccb *gccb; 1485 gdt_ucmd_t *ucmd; 1486 int i; 1487 1488 gdt = (struct gdt_softc *)arg; 1489 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); 1490 1491 kprintf("iir%d: Flushing all Host Drives. Please wait ... ", 1492 gdt->sc_hanum); 1493 1494 /* allocate ucmd buffer */ 1495 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_INTWAIT | M_ZERO); 1496 1497 /* wait for pending IOs */ 1498 crit_enter(); 1499 gdt->sc_state = GDT_SHUTDOWN; 1500 crit_exit(); 1501 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) 1502 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz); 1503 1504 /* flush */ 1505 for (i = 0; i < GDT_MAX_HDRIVES; ++i) { 1506 if (gdt->sc_hdr[i].hd_present) { 1507 ucmd->service = GDT_CACHESERVICE; 1508 ucmd->OpCode = GDT_FLUSH; 1509 ucmd->u.cache.DeviceNo = i; 1510 crit_enter(); 1511 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); 1512 ucmd->complete_flag = FALSE; 1513 crit_exit(); 1514 gdt_next(gdt); 1515 if (!ucmd->complete_flag) 1516 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz); 1517 } 1518 } 1519 1520 kfree(ucmd, M_DEVBUF); 1521 kprintf("Done.\n"); 1522 } 1523 1524 void 1525 iir_intr(void *arg) 1526 { 1527 struct gdt_softc *gdt = arg; 1528 struct gdt_intr_ctx ctx; 1529 struct gdt_ccb *gccb; 1530 gdt_ucmd_t *ucmd; 1531 u_int32_t cnt; 1532 1533 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); 1534 1535 /* If polling and we were not called from gdt_wait, just return */ 1536 if ((gdt->sc_state & GDT_POLLING) && 1537 !(gdt->sc_state & GDT_POLL_WAIT)) 1538 return; 1539 1540 if (!(gdt->sc_state & GDT_POLLING)) 1541 crit_enter(); 1542 gdt_wait_index = 0; 1543 1544 ctx.istatus = gdt->sc_get_status(gdt); 1545 if (ctx.istatus == 0x00) { 1546 if (!(gdt->sc_state & GDT_POLLING)) 1547 crit_exit(); 1548 gdt->sc_status = GDT_S_NO_STATUS; 1549 return; 1550 } 1551 1552 gdt->sc_intr(gdt, &ctx); 1553 1554 gdt->sc_status = ctx.cmd_status; 1555 gdt->sc_service = ctx.service; 1556 gdt->sc_info = ctx.info; 1557 gdt->sc_info2 = ctx.info2; 1558 1559 if (gdt->sc_state & GDT_POLL_WAIT) { 1560 gdt_wait_gdt = gdt; 1561 gdt_wait_index = ctx.istatus; 1562 } 1563 1564 if (ctx.istatus == GDT_ASYNCINDEX) { 1565 gdt_async_event(gdt, ctx.service); 1566 if (!(gdt->sc_state & GDT_POLLING)) 1567 crit_exit(); 1568 return; 1569 } 1570 if (ctx.istatus == GDT_SPEZINDEX) { 1571 GDT_DPRINTF(GDT_D_INVALID, 1572 ("iir%d: Service unknown or not initialized!\n", 1573 gdt->sc_hanum)); 1574 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1575 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1576 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); 1577 if (!(gdt->sc_state & GDT_POLLING)) 1578 crit_exit(); 1579 return; 1580 } 1581 1582 gccb = &gdt->sc_gccbs[ctx.istatus - 2]; 1583 ctx.service = gccb->gc_service; 1584 1585 switch (gccb->gc_flags) { 1586 case GDT_GCF_UNUSED: 1587 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", 1588 gdt->sc_hanum, ctx.istatus)); 1589 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1590 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1591 gdt->sc_dvr.eu.driver.index = ctx.istatus; 1592 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); 1593 gdt_free_ccb(gdt, gccb); 1594 /* fallthrough */ 1595 1596 case GDT_GCF_INTERNAL: 1597 if (!(gdt->sc_state & GDT_POLLING)) 1598 crit_exit(); 1599 break; 1600 1601 case GDT_GCF_IOCTL: 1602 ucmd = gccb->gc_ucmd; 1603 if (gdt->sc_status == GDT_S_BSY) { 1604 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", 1605 gdt, gccb)); 1606 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 1607 if (!(gdt->sc_state & GDT_POLLING)) 1608 crit_exit(); 1609 } else { 1610 ucmd->status = gdt->sc_status; 1611 ucmd->info = gdt->sc_info; 1612 ucmd->complete_flag = TRUE; 1613 if (ucmd->service == GDT_CACHESERVICE) { 1614 if (ucmd->OpCode == GDT_IOCTL) { 1615 cnt = ucmd->u.ioctl.param_size; 1616 if (cnt != 0) 1617 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1618 } else { 1619 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1620 if (cnt != 0) 1621 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1622 } 1623 } else { 1624 cnt = ucmd->u.raw.sdlen; 1625 if (cnt != 0) 1626 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1627 if (ucmd->u.raw.sense_len != 0) 1628 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1629 } 1630 gdt_free_ccb(gdt, gccb); 1631 if (!(gdt->sc_state & GDT_POLLING)) 1632 crit_exit(); 1633 /* wakeup */ 1634 wakeup(ucmd); 1635 } 1636 gdt_next(gdt); 1637 break; 1638 1639 default: 1640 gdt_free_ccb(gdt, gccb); 1641 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); 1642 if (!(gdt->sc_state & GDT_POLLING)) 1643 crit_exit(); 1644 gdt_next(gdt); 1645 break; 1646 } 1647 } 1648 1649 int 1650 gdt_async_event(struct gdt_softc *gdt, int service) 1651 { 1652 struct gdt_ccb *gccb; 1653 1654 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); 1655 1656 if (service == GDT_SCREENSERVICE) { 1657 if (gdt->sc_status == GDT_MSG_REQUEST) { 1658 while (gdt->sc_test_busy(gdt)) 1659 DELAY(1); 1660 gccb = gdt_get_ccb(gdt); 1661 if (gccb == NULL) { 1662 kprintf("iir%d: No free command index found\n", 1663 gdt->sc_hanum); 1664 return (1); 1665 } 1666 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1667 gccb->gc_service = service; 1668 gccb->gc_flags = GDT_GCF_SCREEN; 1669 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1670 gccb->gc_cmd_index); 1671 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1672 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1673 GDT_MSG_INV_HANDLE); 1674 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1675 gccb->gc_scratch_busbase); 1676 gdt->sc_set_sema0(gdt); 1677 gdt->sc_cmd_off = 0; 1678 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1679 sizeof(u_int32_t)); 1680 gdt->sc_cmd_cnt = 0; 1681 gdt->sc_copy_cmd(gdt, gccb); 1682 kprintf("iir%d: [PCI %d/%d] ", 1683 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); 1684 gdt->sc_release_event(gdt); 1685 } 1686 1687 } else { 1688 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { 1689 gdt->sc_dvr.size = 0; 1690 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1691 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1692 /* severity and event_string already set! */ 1693 } else { 1694 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); 1695 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1696 gdt->sc_dvr.eu.async.service = service; 1697 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1698 gdt->sc_dvr.eu.async.info = gdt->sc_info; 1699 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; 1700 } 1701 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); 1702 kprintf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); 1703 } 1704 1705 return (0); 1706 } 1707 1708 int 1709 gdt_sync_event(struct gdt_softc *gdt, int service, 1710 u_int8_t index, struct gdt_ccb *gccb) 1711 { 1712 union ccb *ccb; 1713 1714 GDT_DPRINTF(GDT_D_INTR, 1715 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); 1716 1717 ccb = gccb->gc_ccb; 1718 1719 if (service == GDT_SCREENSERVICE) { 1720 u_int32_t msg_len; 1721 1722 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); 1723 if (msg_len) 1724 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1725 gccb->gc_scratch[GDT_SCR_MSG_EXT])) { 1726 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; 1727 kprintf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); 1728 } 1729 1730 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && 1731 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { 1732 while (gdt->sc_test_busy(gdt)) 1733 DELAY(1); 1734 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1735 gccb = gdt_get_ccb(gdt); 1736 if (gccb == NULL) { 1737 kprintf("iir%d: No free command index found\n", 1738 gdt->sc_hanum); 1739 return (1); 1740 } 1741 gccb->gc_service = service; 1742 gccb->gc_flags = GDT_GCF_SCREEN; 1743 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1744 gccb->gc_cmd_index); 1745 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1746 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1747 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1748 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1749 gccb->gc_scratch_busbase); 1750 gdt->sc_set_sema0(gdt); 1751 gdt->sc_cmd_off = 0; 1752 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1753 sizeof(u_int32_t)); 1754 gdt->sc_cmd_cnt = 0; 1755 gdt->sc_copy_cmd(gdt, gccb); 1756 gdt->sc_release_event(gdt); 1757 return (0); 1758 } 1759 1760 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1761 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { 1762 /* default answers (getchar() not possible) */ 1763 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { 1764 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); 1765 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); 1766 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; 1767 } else { 1768 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 1769 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); 1770 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); 1771 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; 1772 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; 1773 } 1774 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; 1775 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; 1776 while (gdt->sc_test_busy(gdt)) 1777 DELAY(1); 1778 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1779 gccb = gdt_get_ccb(gdt); 1780 if (gccb == NULL) { 1781 kprintf("iir%d: No free command index found\n", 1782 gdt->sc_hanum); 1783 return (1); 1784 } 1785 gccb->gc_service = service; 1786 gccb->gc_flags = GDT_GCF_SCREEN; 1787 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1788 gccb->gc_cmd_index); 1789 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 1790 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1791 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1792 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1793 gccb->gc_scratch_busbase); 1794 gdt->sc_set_sema0(gdt); 1795 gdt->sc_cmd_off = 0; 1796 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1797 sizeof(u_int32_t)); 1798 gdt->sc_cmd_cnt = 0; 1799 gdt->sc_copy_cmd(gdt, gccb); 1800 gdt->sc_release_event(gdt); 1801 return (0); 1802 } 1803 kprintf("\n"); 1804 return (0); 1805 } else { 1806 callout_stop(&ccb->ccb_h.timeout_ch); 1807 if (gdt->sc_status == GDT_S_BSY) { 1808 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", 1809 gdt, gccb)); 1810 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1811 ++gdt_stat.req_queue_act; 1812 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1813 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1814 return (2); 1815 } 1816 1817 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1818 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1819 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1820 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap); 1821 1822 ccb->csio.resid = 0; 1823 if (gdt->sc_status == GDT_S_OK) { 1824 ccb->ccb_h.status |= CAM_REQ_CMP; 1825 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1826 } else { 1827 /* error */ 1828 if (gccb->gc_service == GDT_CACHESERVICE) { 1829 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; 1830 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1831 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1832 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 1833 ccb->csio.sense_data.error_code = 1834 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; 1835 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY; 1836 1837 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); 1838 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; 1839 gdt->sc_dvr.eu.sync.service = service; 1840 gdt->sc_dvr.eu.sync.status = gdt->sc_status; 1841 gdt->sc_dvr.eu.sync.info = gdt->sc_info; 1842 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; 1843 if (gdt->sc_status >= 0x8000) 1844 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); 1845 else 1846 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); 1847 } else { 1848 /* raw service */ 1849 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { 1850 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1851 } else { 1852 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; 1853 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1854 ccb->csio.scsi_status = gdt->sc_info; 1855 bcopy(gccb->gc_scratch, &ccb->csio.sense_data, 1856 ccb->csio.sense_len); 1857 } 1858 } 1859 } 1860 --gdt_stat.io_count_act; 1861 xpt_done(ccb); 1862 } 1863 return (0); 1864 } 1865 1866 /* Controller event handling functions */ 1867 gdt_evt_str * 1868 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt) 1869 { 1870 gdt_evt_str *e; 1871 struct timeval tv; 1872 1873 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); 1874 if (source == 0) /* no source -> no event */ 1875 return 0; 1876 1877 if (ebuffer[elastidx].event_source == source && 1878 ebuffer[elastidx].event_idx == idx && 1879 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && 1880 !memcmp((char *)&ebuffer[elastidx].event_data.eu, 1881 (char *)&evt->eu, evt->size)) || 1882 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && 1883 !strcmp((char *)&ebuffer[elastidx].event_data.event_string, 1884 (char *)&evt->event_string)))) { 1885 e = &ebuffer[elastidx]; 1886 getmicrotime(&tv); 1887 e->last_stamp = tv.tv_sec; 1888 ++e->same_count; 1889 } else { 1890 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ 1891 ++elastidx; 1892 if (elastidx == GDT_MAX_EVENTS) 1893 elastidx = 0; 1894 if (elastidx == eoldidx) { /* reached mark ? */ 1895 ++eoldidx; 1896 if (eoldidx == GDT_MAX_EVENTS) 1897 eoldidx = 0; 1898 } 1899 } 1900 e = &ebuffer[elastidx]; 1901 e->event_source = source; 1902 e->event_idx = idx; 1903 getmicrotime(&tv); 1904 e->first_stamp = e->last_stamp = tv.tv_sec; 1905 e->same_count = 1; 1906 e->event_data = *evt; 1907 e->application = 0; 1908 } 1909 return e; 1910 } 1911 1912 int 1913 gdt_read_event(int handle, gdt_evt_str *estr) 1914 { 1915 gdt_evt_str *e; 1916 int eindex; 1917 1918 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); 1919 crit_enter(); 1920 if (handle == -1) 1921 eindex = eoldidx; 1922 else 1923 eindex = handle; 1924 estr->event_source = 0; 1925 1926 if (eindex >= GDT_MAX_EVENTS) { 1927 crit_exit(); 1928 return eindex; 1929 } 1930 e = &ebuffer[eindex]; 1931 if (e->event_source != 0) { 1932 if (eindex != elastidx) { 1933 if (++eindex == GDT_MAX_EVENTS) 1934 eindex = 0; 1935 } else { 1936 eindex = -1; 1937 } 1938 memcpy(estr, e, sizeof(gdt_evt_str)); 1939 } 1940 crit_exit(); 1941 return eindex; 1942 } 1943 1944 void 1945 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) 1946 { 1947 gdt_evt_str *e; 1948 int found = FALSE; 1949 int eindex; 1950 1951 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); 1952 crit_enter(); 1953 eindex = eoldidx; 1954 for (;;) { 1955 e = &ebuffer[eindex]; 1956 if (e->event_source == 0) 1957 break; 1958 if ((e->application & application) == 0) { 1959 e->application |= application; 1960 found = TRUE; 1961 break; 1962 } 1963 if (eindex == elastidx) 1964 break; 1965 if (++eindex == GDT_MAX_EVENTS) 1966 eindex = 0; 1967 } 1968 if (found) 1969 memcpy(estr, e, sizeof(gdt_evt_str)); 1970 else 1971 estr->event_source = 0; 1972 crit_exit(); 1973 } 1974 1975 void 1976 gdt_clear_events(void) 1977 { 1978 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); 1979 1980 eoldidx = elastidx = 0; 1981 ebuffer[0].event_source = 0; 1982 } 1983