1/*- 2 * Copyright (c) 2000-04 ICP vortex GmbH 3 * Copyright (c) 2002-04 Intel Corporation 4 * Copyright (c) 2003-04 Adaptec Inc. 5 * All Rights Reserved 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32/* 33 * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver 34 * 35 * Written by: Achim Leubner <achim_leubner@adaptec.com> 36 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> 37 * 38 * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers. 39 * Mike Smith; Some driver source code. 40 * FreeBSD.ORG; Great O/S to work on and for. 41 * 42 * $Id: iir.c 1.5 2004/03/30 10:17:53 achim Exp $" 43 */ 44 45#include <sys/cdefs.h> 46__FBSDID("$FreeBSD$"); 47 48#define _IIR_C_ 49 50/* #include "opt_iir.h" */ 51#include <sys/param.h> 52#include <sys/systm.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 59#include <machine/bus.h> 60#include <machine/stdarg.h> 61 62#include <cam/cam.h> 63#include <cam/cam_ccb.h> 64#include <cam/cam_sim.h> 65#include <cam/cam_xpt_sim.h> 66#include <cam/cam_debug.h> 67#include <cam/scsi/scsi_all.h> 68#include <cam/scsi/scsi_message.h> 69 70#include <dev/iir/iir.h> 71 72static MALLOC_DEFINE(M_GDTBUF, "iirbuf", "iir driver buffer"); 73 74struct gdt_softc *gdt_wait_gdt; 75int gdt_wait_index; 76 77#ifdef GDT_DEBUG 78int gdt_debug = GDT_DEBUG; 79#ifdef __SERIAL__ 80#define MAX_SERBUF 160 81static void ser_init(void); 82static void ser_puts(char *str); 83static void ser_putc(int c); 84static char strbuf[MAX_SERBUF+1]; 85#ifdef __COM2__ 86#define COM_BASE 0x2f8 87#else 88#define COM_BASE 0x3f8 89#endif 90static 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 102static 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 111static 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 124int ser_printf(const char *fmt, ...) 125{ 126 va_list args; 127 int i; 128 129 va_start(args,fmt); 130 i = vsprintf(strbuf,fmt,args); 131 ser_puts(strbuf); 132 va_end(args); 133 return i; 134} 135#endif 136#endif 137 138/* The linked list of softc structures */ 139struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs); 140/* controller cnt. */ 141int gdt_cnt = 0; 142/* event buffer */ 143static gdt_evt_str ebuffer[GDT_MAX_EVENTS]; 144static int elastidx, eoldidx; 145/* statistics */ 146gdt_statist_t gdt_stat; 147 148/* Definitions for our use of the SIM private CCB area */ 149#define ccb_sim_ptr spriv_ptr0 150#define ccb_priority spriv_field1 151 152static void iir_action(struct cam_sim *sim, union ccb *ccb); 153static void iir_poll(struct cam_sim *sim); 154static void iir_shutdown(void *arg, int howto); 155static void iir_timeout(void *arg); 156 157static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, 158 int *secs); 159static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 160 u_int8_t service, u_int16_t opcode, 161 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); 162static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb, 163 int timeout); 164 165static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt); 166 167static int gdt_sync_event(struct gdt_softc *gdt, int service, 168 u_int8_t index, struct gdt_ccb *gccb); 169static int gdt_async_event(struct gdt_softc *gdt, int service); 170static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, 171 union ccb *ccb, int *lock); 172static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, 173 union ccb *ccb, int *lock); 174static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, 175 gdt_ucmd_t *ucmd, int *lock); 176static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb); 177 178static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, 179 int nseg, int error); 180static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, 181 int nseg, int error); 182 183int 184iir_init(struct gdt_softc *gdt) 185{ 186 u_int16_t cdev_cnt; 187 int i, id, drv_cyls, drv_hds, drv_secs; 188 struct gdt_ccb *gccb; 189 190 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n")); 191 192 gdt->sc_state = GDT_POLLING; 193 gdt_clear_events(); 194 bzero(&gdt_stat, sizeof(gdt_statist_t)); 195 196 SLIST_INIT(&gdt->sc_free_gccb); 197 SLIST_INIT(&gdt->sc_pending_gccb); 198 TAILQ_INIT(&gdt->sc_ccb_queue); 199 TAILQ_INIT(&gdt->sc_ucmd_queue); 200 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links); 201 202 /* DMA tag for mapping buffers into device visible space. */ 203 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 204 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 205 /*highaddr*/BUS_SPACE_MAXADDR, 206 /*filter*/NULL, /*filterarg*/NULL, 207 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG, 208 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 209 /*flags*/BUS_DMA_ALLOCNOW, 210 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant, 211 &gdt->sc_buffer_dmat) != 0) { 212 printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n", 213 gdt->sc_hanum); 214 return (1); 215 } 216 gdt->sc_init_level++; 217 218 /* DMA tag for our ccb structures */ 219 if (bus_dma_tag_create(gdt->sc_parent_dmat, 220 /*alignment*/1, 221 /*boundary*/0, 222 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 223 /*highaddr*/BUS_SPACE_MAXADDR, 224 /*filter*/NULL, 225 /*filterarg*/NULL, 226 GDT_MAXCMDS * GDT_SCRATCH_SZ, /* maxsize */ 227 /*nsegments*/1, 228 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 229 /*flags*/0, /*lockfunc*/busdma_lock_mutex, 230 /*lockarg*/&Giant, &gdt->sc_gcscratch_dmat) != 0) { 231 printf("iir%d: bus_dma_tag_create(...,gdt->sc_gcscratch_dmat) failed\n", 232 gdt->sc_hanum); 233 return (1); 234 } 235 gdt->sc_init_level++; 236 237 /* Allocation for our ccb scratch area */ 238 if (bus_dmamem_alloc(gdt->sc_gcscratch_dmat, (void **)&gdt->sc_gcscratch, 239 BUS_DMA_NOWAIT, &gdt->sc_gcscratch_dmamap) != 0) { 240 printf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n", 241 gdt->sc_hanum); 242 return (1); 243 } 244 gdt->sc_init_level++; 245 246 /* And permanently map them */ 247 bus_dmamap_load(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap, 248 gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ, 249 gdtmapmem, &gdt->sc_gcscratch_busbase, /*flags*/0); 250 gdt->sc_init_level++; 251 252 /* Clear them out. */ 253 bzero(gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ); 254 255 /* Initialize the ccbs */ 256 gdt->sc_gccbs = malloc(sizeof(struct gdt_ccb) * GDT_MAXCMDS, M_GDTBUF, 257 M_NOWAIT | M_ZERO); 258 if (gdt->sc_gccbs == NULL) { 259 printf("iir%d: no memory for gccbs.\n", gdt->sc_hanum); 260 return (1); 261 } 262 for (i = GDT_MAXCMDS-1; i >= 0; i--) { 263 gccb = &gdt->sc_gccbs[i]; 264 gccb->gc_cmd_index = i + 2; 265 gccb->gc_flags = GDT_GCF_UNUSED; 266 gccb->gc_map_flag = FALSE; 267 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0, 268 &gccb->gc_dmamap) != 0) 269 return(1); 270 gccb->gc_map_flag = TRUE; 271 gccb->gc_scratch = &gdt->sc_gcscratch[GDT_SCRATCH_SZ * i]; 272 gccb->gc_scratch_busbase = gdt->sc_gcscratch_busbase + GDT_SCRATCH_SZ * i; 273 callout_handle_init(&gccb->gc_timeout_ch); 274 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 275 } 276 gdt->sc_init_level++; 277 278 /* create the control device */ 279 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum); 280 281 /* allocate ccb for gdt_internal_cmd() */ 282 gccb = gdt_get_ccb(gdt); 283 if (gccb == NULL) { 284 printf("iir%d: No free command index found\n", 285 gdt->sc_hanum); 286 return (1); 287 } 288 bzero(gccb->gc_cmd, GDT_CMD_SZ); 289 290 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT, 291 0, 0, 0)) { 292 printf("iir%d: Screen service initialization error %d\n", 293 gdt->sc_hanum, gdt->sc_status); 294 gdt_free_ccb(gdt, gccb); 295 return (1); 296 } 297 298 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO, 299 0, 0, 0); 300 301 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, 302 GDT_LINUX_OS, 0, 0)) { 303 printf("iir%d: Cache service initialization error %d\n", 304 gdt->sc_hanum, gdt->sc_status); 305 gdt_free_ccb(gdt, gccb); 306 return (1); 307 } 308 cdev_cnt = (u_int16_t)gdt->sc_info; 309 gdt->sc_fw_vers = gdt->sc_service; 310 311 /* Detect number of buses */ 312 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST); 313 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS; 314 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0; 315 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1; 316 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ); 317 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 318 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL, 319 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) { 320 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT]; 321 for (i = 0; i < gdt->sc_bus_cnt; i++) { 322 id = gccb->gc_scratch[GDT_IOC_HDR_SZ + 323 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID]; 324 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff; 325 } 326 } else { 327 /* New method failed, use fallback. */ 328 for (i = 0; i < GDT_MAXBUS; i++) { 329 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i); 330 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 331 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN, 332 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL, 333 GDT_GETCH_SZ)) { 334 if (i == 0) { 335 printf("iir%d: Cannot get channel count, " 336 "error %d\n", gdt->sc_hanum, gdt->sc_status); 337 gdt_free_ccb(gdt, gccb); 338 return (1); 339 } 340 break; 341 } 342 gdt->sc_bus_id[i] = 343 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ? 344 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff; 345 } 346 gdt->sc_bus_cnt = i; 347 } 348 /* add one "virtual" channel for the host drives */ 349 gdt->sc_virt_bus = gdt->sc_bus_cnt; 350 gdt->sc_bus_cnt++; 351 352 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT, 353 0, 0, 0)) { 354 printf("iir%d: Raw service initialization error %d\n", 355 gdt->sc_hanum, gdt->sc_status); 356 gdt_free_ccb(gdt, gccb); 357 return (1); 358 } 359 360 /* Set/get features raw service (scatter/gather) */ 361 gdt->sc_raw_feat = 0; 362 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT, 363 GDT_SCATTER_GATHER, 0, 0)) { 364 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT, 365 0, 0, 0)) { 366 gdt->sc_raw_feat = gdt->sc_info; 367 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 368 panic("iir%d: Scatter/Gather Raw Service " 369 "required but not supported!\n", gdt->sc_hanum); 370 gdt_free_ccb(gdt, gccb); 371 return (1); 372 } 373 } 374 } 375 376 /* Set/get features cache service (scatter/gather) */ 377 gdt->sc_cache_feat = 0; 378 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT, 379 0, GDT_SCATTER_GATHER, 0)) { 380 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT, 381 0, 0, 0)) { 382 gdt->sc_cache_feat = gdt->sc_info; 383 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 384 panic("iir%d: Scatter/Gather Cache Service " 385 "required but not supported!\n", gdt->sc_hanum); 386 gdt_free_ccb(gdt, gccb); 387 return (1); 388 } 389 } 390 } 391 392 /* OEM */ 393 gdt_enc32(gccb->gc_scratch + GDT_OEM_VERSION, 0x01); 394 gdt_enc32(gccb->gc_scratch + GDT_OEM_BUFSIZE, sizeof(gdt_oem_record_t)); 395 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 396 GDT_OEM_STR_RECORD, GDT_INVALID_CHANNEL, 397 sizeof(gdt_oem_str_record_t))) { 398 strncpy(gdt->oem_name, ((gdt_oem_str_record_t *) 399 gccb->gc_scratch)->text.scsi_host_drive_inquiry_vendor_id, 7); 400 gdt->oem_name[7]='\0'; 401 } else { 402 /* Old method, based on PCI ID */ 403 if (gdt->sc_vendor == INTEL_VENDOR_ID_IIR) 404 strcpy(gdt->oem_name,"Intel "); 405 else 406 strcpy(gdt->oem_name,"ICP "); 407 } 408 409 /* Scan for cache devices */ 410 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) { 411 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO, 412 i, 0, 0)) { 413 gdt->sc_hdr[i].hd_present = 1; 414 gdt->sc_hdr[i].hd_size = gdt->sc_info; 415 416 /* 417 * Evaluate mapping (sectors per head, heads per cyl) 418 */ 419 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32; 420 if (gdt->sc_info2 == 0) 421 gdt_eval_mapping(gdt->sc_hdr[i].hd_size, 422 &drv_cyls, &drv_hds, &drv_secs); 423 else { 424 drv_hds = gdt->sc_info2 & 0xff; 425 drv_secs = (gdt->sc_info2 >> 8) & 0xff; 426 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds / 427 drv_secs; 428 } 429 gdt->sc_hdr[i].hd_heads = drv_hds; 430 gdt->sc_hdr[i].hd_secs = drv_secs; 431 /* Round the size */ 432 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; 433 434 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, 435 GDT_DEVTYPE, i, 0, 0)) 436 gdt->sc_hdr[i].hd_devtype = gdt->sc_info; 437 } 438 } 439 440 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n", 441 gdt->sc_dpmembase, 442 gdt->sc_bus_cnt, cdev_cnt, 443 cdev_cnt == 1 ? "" : "s")); 444 gdt_free_ccb(gdt, gccb); 445 446 gdt_cnt++; 447 return (0); 448} 449 450void 451iir_free(struct gdt_softc *gdt) 452{ 453 int i; 454 455 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n")); 456 457 switch (gdt->sc_init_level) { 458 default: 459 gdt_destroy_dev(gdt->sc_dev); 460 case 5: 461 for (i = GDT_MAXCMDS-1; i >= 0; i--) 462 if (gdt->sc_gccbs[i].gc_map_flag) 463 bus_dmamap_destroy(gdt->sc_buffer_dmat, 464 gdt->sc_gccbs[i].gc_dmamap); 465 bus_dmamap_unload(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap); 466 free(gdt->sc_gccbs, M_GDTBUF); 467 case 4: 468 bus_dmamem_free(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch, gdt->sc_gcscratch_dmamap); 469 case 3: 470 bus_dma_tag_destroy(gdt->sc_gcscratch_dmat); 471 case 2: 472 bus_dma_tag_destroy(gdt->sc_buffer_dmat); 473 case 1: 474 bus_dma_tag_destroy(gdt->sc_parent_dmat); 475 case 0: 476 break; 477 } 478 TAILQ_REMOVE(&gdt_softcs, gdt, links); 479} 480 481void 482iir_attach(struct gdt_softc *gdt) 483{ 484 struct cam_devq *devq; 485 int i; 486 487 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n")); 488 489 /* 490 * Create the device queue for our SIM. 491 * XXX Throttle this down since the card has problems under load. 492 */ 493 devq = cam_simq_alloc(32); 494 if (devq == NULL) 495 return; 496 497 for (i = 0; i < gdt->sc_bus_cnt; i++) { 498 /* 499 * Construct our SIM entry 500 */ 501 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir", 502 gdt, gdt->sc_hanum, &Giant, 503 /*untagged*/1, 504 /*tagged*/GDT_MAXCMDS, devq); 505 if (xpt_bus_register(gdt->sims[i], gdt->sc_devnode, i) != CAM_SUCCESS) { 506 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0); 507 break; 508 } 509 510 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, 511 cam_sim_path(gdt->sims[i]), 512 CAM_TARGET_WILDCARD, 513 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 514 xpt_bus_deregister(cam_sim_path(gdt->sims[i])); 515 cam_sim_free(gdt->sims[i], /*free_devq*/i == 0); 516 break; 517 } 518 } 519 if (i > 0) 520 EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown, 521 gdt, SHUTDOWN_PRI_DEFAULT); 522 /* iir_watchdog(gdt); */ 523 gdt->sc_state = GDT_NORMAL; 524} 525 526static void 527gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) 528{ 529 *cyls = size / GDT_HEADS / GDT_SECS; 530 if (*cyls < GDT_MAXCYLS) { 531 *heads = GDT_HEADS; 532 *secs = GDT_SECS; 533 } else { 534 /* Too high for 64 * 32 */ 535 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; 536 if (*cyls < GDT_MAXCYLS) { 537 *heads = GDT_MEDHEADS; 538 *secs = GDT_MEDSECS; 539 } else { 540 /* Too high for 127 * 63 */ 541 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; 542 *heads = GDT_BIGHEADS; 543 *secs = GDT_BIGSECS; 544 } 545 } 546} 547 548static int 549gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, 550 int timeout) 551{ 552 int rv = 0; 553 554 GDT_DPRINTF(GDT_D_INIT, 555 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); 556 557 gdt->sc_state |= GDT_POLL_WAIT; 558 do { 559 iir_intr(gdt); 560 if (gdt == gdt_wait_gdt && 561 gccb->gc_cmd_index == gdt_wait_index) { 562 rv = 1; 563 break; 564 } 565 DELAY(1); 566 } while (--timeout); 567 gdt->sc_state &= ~GDT_POLL_WAIT; 568 569 while (gdt->sc_test_busy(gdt)) 570 DELAY(1); /* XXX correct? */ 571 572 return (rv); 573} 574 575static int 576gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 577 u_int8_t service, u_int16_t opcode, 578 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 579{ 580 int retries; 581 582 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", 583 gdt, service, opcode, arg1, arg2, arg3)); 584 585 bzero(gccb->gc_cmd, GDT_CMD_SZ); 586 587 for (retries = GDT_RETRIES; ; ) { 588 gccb->gc_service = service; 589 gccb->gc_flags = GDT_GCF_INTERNAL; 590 591 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 592 gccb->gc_cmd_index); 593 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 594 595 switch (service) { 596 case GDT_CACHESERVICE: 597 if (opcode == GDT_IOCTL) { 598 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 599 GDT_IOCTL_SUBFUNC, arg1); 600 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 601 GDT_IOCTL_CHANNEL, arg2); 602 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 603 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); 604 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 605 gccb->gc_scratch_busbase); 606 } else { 607 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 608 GDT_CACHE_DEVICENO, (u_int16_t)arg1); 609 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 610 GDT_CACHE_BLOCKNO, arg2); 611 } 612 break; 613 614 case GDT_SCSIRAWSERVICE: 615 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 616 GDT_RAW_DIRECTION, arg1); 617 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 618 (u_int8_t)arg2; 619 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 620 (u_int8_t)arg3; 621 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 622 (u_int8_t)(arg3 >> 8); 623 } 624 625 gdt->sc_set_sema0(gdt); 626 gccb->gc_cmd_len = GDT_CMD_SZ; 627 gdt->sc_cmd_off = 0; 628 gdt->sc_cmd_cnt = 0; 629 gdt->sc_copy_cmd(gdt, gccb); 630 gdt->sc_release_event(gdt); 631 DELAY(20); 632 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) 633 return (0); 634 if (gdt->sc_status != GDT_S_BSY || --retries == 0) 635 break; 636 DELAY(1); 637 } 638 return (gdt->sc_status == GDT_S_OK); 639} 640 641static struct gdt_ccb * 642gdt_get_ccb(struct gdt_softc *gdt) 643{ 644 struct gdt_ccb *gccb; 645 int lock; 646 647 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); 648 649 lock = splcam(); 650 gccb = SLIST_FIRST(&gdt->sc_free_gccb); 651 if (gccb != NULL) { 652 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); 653 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); 654 ++gdt_stat.cmd_index_act; 655 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) 656 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; 657 } 658 splx(lock); 659 return (gccb); 660} 661 662void 663gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) 664{ 665 int lock; 666 667 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); 668 669 lock = splcam(); 670 gccb->gc_flags = GDT_GCF_UNUSED; 671 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); 672 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 673 --gdt_stat.cmd_index_act; 674 splx(lock); 675 if (gdt->sc_state & GDT_SHUTDOWN) 676 wakeup(gccb); 677} 678 679void 680gdt_next(struct gdt_softc *gdt) 681{ 682 int lock; 683 union ccb *ccb; 684 gdt_ucmd_t *ucmd; 685 struct cam_sim *sim; 686 int bus, target, lun; 687 int next_cmd; 688 689 struct ccb_scsiio *csio; 690 struct ccb_hdr *ccbh; 691 struct gdt_ccb *gccb = NULL; 692 u_int8_t cmd; 693 694 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); 695 696 lock = splcam(); 697 if (gdt->sc_test_busy(gdt)) { 698 if (!(gdt->sc_state & GDT_POLLING)) { 699 splx(lock); 700 return; 701 } 702 while (gdt->sc_test_busy(gdt)) 703 DELAY(1); 704 } 705 706 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; 707 next_cmd = TRUE; 708 for (;;) { 709 /* I/Os in queue? controller ready? */ 710 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && 711 !TAILQ_FIRST(&gdt->sc_ccb_queue)) 712 break; 713 714 /* 1.: I/Os without ccb (IOCTLs) */ 715 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); 716 if (ucmd != NULL) { 717 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); 718 if ((gccb = gdt_ioctl_cmd(gdt, ucmd, &lock)) == NULL) { 719 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 720 break; 721 } 722 break; 723 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ 724 } 725 726 /* 2.: I/Os with ccb */ 727 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); 728 /* ist dann immer != NULL, da oben getestet */ 729 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 730 bus = cam_sim_bus(sim); 731 target = ccb->ccb_h.target_id; 732 lun = ccb->ccb_h.target_lun; 733 734 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 735 --gdt_stat.req_queue_act; 736 /* ccb->ccb_h.func_code is XPT_SCSI_IO */ 737 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", 738 ccb->ccb_h.flags)); 739 csio = &ccb->csio; 740 ccbh = &ccb->ccb_h; 741 cmd = csio->cdb_io.cdb_bytes[0]; 742 /* Max CDB length is 12 bytes */ 743 if (csio->cdb_len > 12) { 744 ccbh->status = CAM_REQ_INVALID; 745 --gdt_stat.io_count_act; 746 xpt_done(ccb); 747 } else if (bus != gdt->sc_virt_bus) { 748 /* raw service command */ 749 if ((gccb = gdt_raw_cmd(gdt, ccb, &lock)) == NULL) { 750 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 751 sim_links.tqe); 752 ++gdt_stat.req_queue_act; 753 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 754 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 755 next_cmd = FALSE; 756 } 757 } else if (target >= GDT_MAX_HDRIVES || 758 !gdt->sc_hdr[target].hd_present || lun != 0) { 759 ccbh->status = CAM_DEV_NOT_THERE; 760 --gdt_stat.io_count_act; 761 xpt_done(ccb); 762 } else { 763 /* cache service command */ 764 if (cmd == READ_6 || cmd == WRITE_6 || 765 cmd == READ_10 || cmd == WRITE_10) { 766 if ((gccb = gdt_cache_cmd(gdt, ccb, &lock)) == NULL) { 767 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 768 sim_links.tqe); 769 ++gdt_stat.req_queue_act; 770 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 771 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 772 next_cmd = FALSE; 773 } 774 } else { 775 splx(lock); 776 gdt_internal_cache_cmd(gdt, ccb); 777 lock = splcam(); 778 } 779 } 780 if ((gdt->sc_state & GDT_POLLING) || !next_cmd) 781 break; 782 } 783 if (gdt->sc_cmd_cnt > 0) 784 gdt->sc_release_event(gdt); 785 786 splx(lock); 787 788 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { 789 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); 790 } 791} 792 793static struct gdt_ccb * 794gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock) 795{ 796 struct gdt_ccb *gccb; 797 struct cam_sim *sim; 798 int error; 799 800 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); 801 802 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + 803 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 804 gdt->sc_ic_all_size) { 805 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", 806 gdt->sc_hanum)); 807 return (NULL); 808 } 809 810 gccb = gdt_get_ccb(gdt); 811 if (gccb == NULL) { 812 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n", 813 gdt->sc_hanum)); 814 return (gccb); 815 } 816 bzero(gccb->gc_cmd, GDT_CMD_SZ); 817 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 818 gccb->gc_ccb = ccb; 819 gccb->gc_service = GDT_SCSIRAWSERVICE; 820 gccb->gc_flags = GDT_GCF_SCSI; 821 822 if (gdt->sc_cmd_cnt == 0) 823 gdt->sc_set_sema0(gdt); 824 splx(*lock); 825 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 826 gccb->gc_cmd_index); 827 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 828 829 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 830 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 831 GDT_DATA_IN : GDT_DATA_OUT); 832 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 833 ccb->csio.dxfer_len); 834 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 835 ccb->csio.cdb_len); 836 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 837 ccb->csio.cdb_len); 838 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 839 ccb->ccb_h.target_id; 840 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 841 ccb->ccb_h.target_lun; 842 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 843 cam_sim_bus(sim); 844 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 845 sizeof(struct scsi_sense_data)); 846 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 847 gccb->gc_scratch_busbase); 848 849 error = bus_dmamap_load_ccb(gdt->sc_buffer_dmat, 850 gccb->gc_dmamap, 851 ccb, 852 gdtexecuteccb, 853 gccb, /*flags*/0); 854 if (error == EINPROGRESS) { 855 xpt_freeze_simq(sim, 1); 856 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 857 } 858 859 *lock = splcam(); 860 return (gccb); 861} 862 863static struct gdt_ccb * 864gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock) 865{ 866 struct gdt_ccb *gccb; 867 struct cam_sim *sim; 868 u_int8_t *cmdp; 869 u_int16_t opcode; 870 u_int32_t blockno, blockcnt; 871 int error; 872 873 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); 874 875 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + 876 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 877 gdt->sc_ic_all_size) { 878 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", 879 gdt->sc_hanum)); 880 return (NULL); 881 } 882 883 gccb = gdt_get_ccb(gdt); 884 if (gccb == NULL) { 885 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 886 gdt->sc_hanum)); 887 return (gccb); 888 } 889 bzero(gccb->gc_cmd, GDT_CMD_SZ); 890 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 891 gccb->gc_ccb = ccb; 892 gccb->gc_service = GDT_CACHESERVICE; 893 gccb->gc_flags = GDT_GCF_SCSI; 894 895 if (gdt->sc_cmd_cnt == 0) 896 gdt->sc_set_sema0(gdt); 897 splx(*lock); 898 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 899 gccb->gc_cmd_index); 900 cmdp = ccb->csio.cdb_io.cdb_bytes; 901 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; 902 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) 903 opcode = GDT_WRITE_THR; 904 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 905 906 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 907 ccb->ccb_h.target_id); 908 if (ccb->csio.cdb_len == 6) { 909 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; 910 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); 911 blockcnt = rw->length ? rw->length : 0x100; 912 } else { 913 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; 914 blockno = scsi_4btoul(rw->addr); 915 blockcnt = scsi_2btoul(rw->length); 916 } 917 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 918 blockno); 919 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 920 blockcnt); 921 922 error = bus_dmamap_load_ccb(gdt->sc_buffer_dmat, 923 gccb->gc_dmamap, 924 ccb, 925 gdtexecuteccb, 926 gccb, /*flags*/0); 927 if (error == EINPROGRESS) { 928 xpt_freeze_simq(sim, 1); 929 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 930 } 931 *lock = splcam(); 932 return (gccb); 933} 934 935static struct gdt_ccb * 936gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd, int *lock) 937{ 938 struct gdt_ccb *gccb; 939 u_int32_t cnt; 940 941 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); 942 943 gccb = gdt_get_ccb(gdt); 944 if (gccb == NULL) { 945 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 946 gdt->sc_hanum)); 947 return (gccb); 948 } 949 bzero(gccb->gc_cmd, GDT_CMD_SZ); 950 gccb->gc_ucmd = ucmd; 951 gccb->gc_service = ucmd->service; 952 gccb->gc_flags = GDT_GCF_IOCTL; 953 954 /* check DPMEM space, copy data buffer from user space */ 955 if (ucmd->service == GDT_CACHESERVICE) { 956 if (ucmd->OpCode == GDT_IOCTL) { 957 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, 958 sizeof(u_int32_t)); 959 cnt = ucmd->u.ioctl.param_size; 960 if (cnt > GDT_SCRATCH_SZ) { 961 printf("iir%d: Scratch buffer too small (%d/%d)\n", 962 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 963 gdt_free_ccb(gdt, gccb); 964 return (NULL); 965 } 966 } else { 967 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 968 GDT_SG_SZ, sizeof(u_int32_t)); 969 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 970 if (cnt > GDT_SCRATCH_SZ) { 971 printf("iir%d: Scratch buffer too small (%d/%d)\n", 972 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 973 gdt_free_ccb(gdt, gccb); 974 return (NULL); 975 } 976 } 977 } else { 978 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 979 GDT_SG_SZ, sizeof(u_int32_t)); 980 cnt = ucmd->u.raw.sdlen; 981 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { 982 printf("iir%d: Scratch buffer too small (%d/%d)\n", 983 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); 984 gdt_free_ccb(gdt, gccb); 985 return (NULL); 986 } 987 } 988 if (cnt != 0) 989 bcopy(ucmd->data, gccb->gc_scratch, cnt); 990 991 if (gdt->sc_cmd_off + gccb->gc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > 992 gdt->sc_ic_all_size) { 993 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", 994 gdt->sc_hanum)); 995 gdt_free_ccb(gdt, gccb); 996 return (NULL); 997 } 998 999 if (gdt->sc_cmd_cnt == 0) 1000 gdt->sc_set_sema0(gdt); 1001 splx(*lock); 1002 1003 /* fill cmd structure */ 1004 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1005 gccb->gc_cmd_index); 1006 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, 1007 ucmd->OpCode); 1008 1009 if (ucmd->service == GDT_CACHESERVICE) { 1010 if (ucmd->OpCode == GDT_IOCTL) { 1011 /* IOCTL */ 1012 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, 1013 ucmd->u.ioctl.param_size); 1014 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, 1015 ucmd->u.ioctl.subfunc); 1016 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, 1017 ucmd->u.ioctl.channel); 1018 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 1019 gccb->gc_scratch_busbase); 1020 } else { 1021 /* cache service command */ 1022 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 1023 ucmd->u.cache.DeviceNo); 1024 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 1025 ucmd->u.cache.BlockNo); 1026 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 1027 ucmd->u.cache.BlockCnt); 1028 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1029 0xffffffffUL); 1030 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1031 1); 1032 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1033 GDT_SG_PTR, gccb->gc_scratch_busbase); 1034 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1035 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); 1036 } 1037 } else { 1038 /* raw service command */ 1039 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 1040 ucmd->u.raw.direction); 1041 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1042 0xffffffffUL); 1043 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 1044 ucmd->u.raw.sdlen); 1045 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 1046 ucmd->u.raw.clen); 1047 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 1048 12); 1049 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 1050 ucmd->u.raw.target; 1051 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 1052 ucmd->u.raw.lun; 1053 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 1054 ucmd->u.raw.bus; 1055 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 1056 ucmd->u.raw.sense_len); 1057 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 1058 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen); 1059 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1060 1); 1061 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1062 GDT_SG_PTR, gccb->gc_scratch_busbase); 1063 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1064 GDT_SG_LEN, ucmd->u.raw.sdlen); 1065 } 1066 1067 *lock = splcam(); 1068 gdt_stat.sg_count_act = 1; 1069 gdt->sc_copy_cmd(gdt, gccb); 1070 return (gccb); 1071} 1072 1073static void 1074gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) 1075{ 1076 int t; 1077 1078 t = ccb->ccb_h.target_id; 1079 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", 1080 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); 1081 1082 switch (ccb->csio.cdb_io.cdb_bytes[0]) { 1083 case TEST_UNIT_READY: 1084 case START_STOP: 1085 break; 1086 case REQUEST_SENSE: 1087 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); 1088 break; 1089 case INQUIRY: 1090 { 1091 struct scsi_inquiry_data inq; 1092 size_t copylen = MIN(sizeof(inq), ccb->csio.dxfer_len); 1093 1094 bzero(&inq, sizeof(inq)); 1095 inq.device = (gdt->sc_hdr[t].hd_devtype & 4) ? 1096 T_CDROM : T_DIRECT; 1097 inq.dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; 1098 inq.version = SCSI_REV_2; 1099 inq.response_format = 2; 1100 inq.additional_length = 32; 1101 inq.flags = SID_CmdQue | SID_Sync; 1102 strncpy(inq.vendor, gdt->oem_name, sizeof(inq.vendor)); 1103 snprintf(inq.product, sizeof(inq.product), 1104 "Host Drive #%02d", t); 1105 strncpy(inq.revision, " ", sizeof(inq.revision)); 1106 bcopy(&inq, ccb->csio.data_ptr, copylen ); 1107 if( ccb->csio.dxfer_len > copylen ) 1108 bzero( ccb->csio.data_ptr+copylen, 1109 ccb->csio.dxfer_len - copylen ); 1110 break; 1111 } 1112 case MODE_SENSE_6: 1113 { 1114 struct mpd_data { 1115 struct scsi_mode_hdr_6 hd; 1116 struct scsi_mode_block_descr bd; 1117 struct scsi_control_page cp; 1118 } mpd; 1119 size_t copylen = MIN(sizeof(mpd), ccb->csio.dxfer_len); 1120 u_int8_t page; 1121 1122 /*mpd = (struct mpd_data *)ccb->csio.data_ptr;*/ 1123 bzero(&mpd, sizeof(mpd)); 1124 mpd.hd.datalen = sizeof(struct scsi_mode_hdr_6) + 1125 sizeof(struct scsi_mode_block_descr); 1126 mpd.hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; 1127 mpd.hd.block_descr_len = sizeof(struct scsi_mode_block_descr); 1128 mpd.bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; 1129 mpd.bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; 1130 mpd.bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); 1131 1132 bcopy(&mpd, ccb->csio.data_ptr, copylen ); 1133 if( ccb->csio.dxfer_len > copylen ) 1134 bzero( ccb->csio.data_ptr+copylen, 1135 ccb->csio.dxfer_len - copylen ); 1136 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; 1137 switch (page) { 1138 default: 1139 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); 1140 break; 1141 } 1142 break; 1143 } 1144 case READ_CAPACITY: 1145 { 1146 struct scsi_read_capacity_data rcd; 1147 size_t copylen = MIN(sizeof(rcd), ccb->csio.dxfer_len); 1148 1149 /*rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;*/ 1150 bzero(&rcd, sizeof(rcd)); 1151 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd.addr); 1152 scsi_ulto4b(GDT_SECTOR_SIZE, rcd.length); 1153 bcopy(&rcd, ccb->csio.data_ptr, copylen ); 1154 if( ccb->csio.dxfer_len > copylen ) 1155 bzero( ccb->csio.data_ptr+copylen, 1156 ccb->csio.dxfer_len - copylen ); 1157 break; 1158 } 1159 default: 1160 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", 1161 ccb->csio.cdb_io.cdb_bytes[0])); 1162 break; 1163 } 1164 ccb->ccb_h.status |= CAM_REQ_CMP; 1165 --gdt_stat.io_count_act; 1166 xpt_done(ccb); 1167} 1168 1169static void 1170gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1171{ 1172 bus_addr_t *busaddrp; 1173 1174 busaddrp = (bus_addr_t *)arg; 1175 *busaddrp = dm_segs->ds_addr; 1176} 1177 1178static void 1179gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1180{ 1181 struct gdt_ccb *gccb; 1182 union ccb *ccb; 1183 struct gdt_softc *gdt; 1184 int i, lock; 1185 1186 lock = splcam(); 1187 1188 gccb = (struct gdt_ccb *)arg; 1189 ccb = gccb->gc_ccb; 1190 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); 1191 1192 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", 1193 gdt, gccb, dm_segs, nseg, error)); 1194 gdt_stat.sg_count_act = nseg; 1195 if (nseg > gdt_stat.sg_count_max) 1196 gdt_stat.sg_count_max = nseg; 1197 1198 /* Copy the segments into our SG list */ 1199 if (gccb->gc_service == GDT_CACHESERVICE) { 1200 for (i = 0; i < nseg; ++i) { 1201 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1202 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1203 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1204 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1205 dm_segs++; 1206 } 1207 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1208 nseg); 1209 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1210 0xffffffffUL); 1211 1212 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1213 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1214 } else { 1215 for (i = 0; i < nseg; ++i) { 1216 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1217 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1218 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1219 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1220 dm_segs++; 1221 } 1222 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1223 nseg); 1224 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1225 0xffffffffUL); 1226 1227 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1228 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1229 } 1230 1231 if (nseg != 0) { 1232 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1233 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1234 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1235 } 1236 1237 /* We must NOT abort the command here if CAM_REQ_INPROG is not set, 1238 * because command semaphore is already set! 1239 */ 1240 1241 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1242 /* timeout handling */ 1243 gccb->gc_timeout_ch = 1244 timeout(iir_timeout, (caddr_t)gccb, 1245 (ccb->ccb_h.timeout * hz) / 1000); 1246 1247 gdt->sc_copy_cmd(gdt, gccb); 1248 splx(lock); 1249} 1250 1251 1252static void 1253iir_action( struct cam_sim *sim, union ccb *ccb ) 1254{ 1255 struct gdt_softc *gdt; 1256 int lock, bus, target, lun; 1257 1258 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1259 ccb->ccb_h.ccb_sim_ptr = sim; 1260 bus = cam_sim_bus(sim); 1261 target = ccb->ccb_h.target_id; 1262 lun = ccb->ccb_h.target_lun; 1263 GDT_DPRINTF(GDT_D_CMD, 1264 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n", 1265 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0], 1266 bus, target, lun)); 1267 ++gdt_stat.io_count_act; 1268 if (gdt_stat.io_count_act > gdt_stat.io_count_max) 1269 gdt_stat.io_count_max = gdt_stat.io_count_act; 1270 1271 switch (ccb->ccb_h.func_code) { 1272 case XPT_SCSI_IO: 1273 lock = splcam(); 1274 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1275 ++gdt_stat.req_queue_act; 1276 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1277 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1278 splx(lock); 1279 gdt_next(gdt); 1280 break; 1281 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1282 case XPT_ABORT: /* Abort the specified CCB */ 1283 /* XXX Implement */ 1284 ccb->ccb_h.status = CAM_REQ_INVALID; 1285 --gdt_stat.io_count_act; 1286 xpt_done(ccb); 1287 break; 1288 case XPT_SET_TRAN_SETTINGS: 1289 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1290 --gdt_stat.io_count_act; 1291 xpt_done(ccb); 1292 break; 1293 case XPT_GET_TRAN_SETTINGS: 1294 /* Get default/user set transfer settings for the target */ 1295 { 1296 struct ccb_trans_settings *cts = &ccb->cts; 1297 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 1298 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 1299 1300 cts->protocol = PROTO_SCSI; 1301 cts->protocol_version = SCSI_REV_2; 1302 cts->transport = XPORT_SPI; 1303 cts->transport_version = 2; 1304 1305 if (cts->type == CTS_TYPE_USER_SETTINGS) { 1306 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 1307 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1308 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 1309 spi->sync_period = 25; /* 10MHz */ 1310 if (spi->sync_period != 0) 1311 spi->sync_offset = 15; 1312 1313 spi->valid = CTS_SPI_VALID_SYNC_RATE 1314 | CTS_SPI_VALID_SYNC_OFFSET 1315 | CTS_SPI_VALID_BUS_WIDTH 1316 | CTS_SPI_VALID_DISC; 1317 scsi->valid = CTS_SCSI_VALID_TQ; 1318 ccb->ccb_h.status = CAM_REQ_CMP; 1319 } else { 1320 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1321 } 1322 --gdt_stat.io_count_act; 1323 xpt_done(ccb); 1324 break; 1325 } 1326 case XPT_CALC_GEOMETRY: 1327 { 1328 struct ccb_calc_geometry *ccg; 1329 u_int32_t secs_per_cylinder; 1330 1331 ccg = &ccb->ccg; 1332 ccg->heads = gdt->sc_hdr[target].hd_heads; 1333 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs; 1334 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1335 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1336 ccb->ccb_h.status = CAM_REQ_CMP; 1337 --gdt_stat.io_count_act; 1338 xpt_done(ccb); 1339 break; 1340 } 1341 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1342 { 1343 /* XXX Implement */ 1344 ccb->ccb_h.status = CAM_REQ_CMP; 1345 --gdt_stat.io_count_act; 1346 xpt_done(ccb); 1347 break; 1348 } 1349 case XPT_TERM_IO: /* Terminate the I/O process */ 1350 /* XXX Implement */ 1351 ccb->ccb_h.status = CAM_REQ_INVALID; 1352 --gdt_stat.io_count_act; 1353 xpt_done(ccb); 1354 break; 1355 case XPT_PATH_INQ: /* Path routing inquiry */ 1356 { 1357 struct ccb_pathinq *cpi = &ccb->cpi; 1358 1359 cpi->version_num = 1; 1360 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 1361 cpi->hba_inquiry |= PI_WIDE_16; 1362 cpi->target_sprt = 1; 1363 cpi->hba_misc = 0; 1364 cpi->hba_eng_cnt = 0; 1365 if (bus == gdt->sc_virt_bus) 1366 cpi->max_target = GDT_MAX_HDRIVES - 1; 1367 else if (gdt->sc_class & GDT_FC) 1368 cpi->max_target = GDT_MAXID_FC - 1; 1369 else 1370 cpi->max_target = GDT_MAXID - 1; 1371 cpi->max_lun = 7; 1372 cpi->unit_number = cam_sim_unit(sim); 1373 cpi->bus_id = bus; 1374 cpi->initiator_id = 1375 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]); 1376 cpi->base_transfer_speed = 3300; 1377 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1378 if (gdt->sc_vendor == INTEL_VENDOR_ID_IIR) 1379 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); 1380 else 1381 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN); 1382 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1383 cpi->transport = XPORT_SPI; 1384 cpi->transport_version = 2; 1385 cpi->protocol = PROTO_SCSI; 1386 cpi->protocol_version = SCSI_REV_2; 1387 cpi->ccb_h.status = CAM_REQ_CMP; 1388 --gdt_stat.io_count_act; 1389 xpt_done(ccb); 1390 break; 1391 } 1392 default: 1393 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", 1394 gdt, ccb->ccb_h.func_code)); 1395 ccb->ccb_h.status = CAM_REQ_INVALID; 1396 --gdt_stat.io_count_act; 1397 xpt_done(ccb); 1398 break; 1399 } 1400} 1401 1402static void 1403iir_poll( struct cam_sim *sim ) 1404{ 1405 struct gdt_softc *gdt; 1406 1407 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1408 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); 1409 iir_intr(gdt); 1410} 1411 1412static void 1413iir_timeout(void *arg) 1414{ 1415 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb)); 1416} 1417 1418static void 1419iir_shutdown( void *arg, int howto ) 1420{ 1421 struct gdt_softc *gdt; 1422 struct gdt_ccb *gccb; 1423 gdt_ucmd_t *ucmd; 1424 int lock, i; 1425 1426 gdt = (struct gdt_softc *)arg; 1427 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); 1428 1429 printf("iir%d: Flushing all Host Drives. Please wait ... ", 1430 gdt->sc_hanum); 1431 1432 /* allocate ucmd buffer */ 1433 ucmd = malloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_NOWAIT); 1434 if (ucmd == NULL) { 1435 printf("iir%d: iir_shutdown(): Cannot allocate resource\n", 1436 gdt->sc_hanum); 1437 return; 1438 } 1439 bzero(ucmd, sizeof(gdt_ucmd_t)); 1440 1441 /* wait for pending IOs */ 1442 lock = splcam(); 1443 gdt->sc_state = GDT_SHUTDOWN; 1444 splx(lock); 1445 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) 1446 (void) tsleep((void *)gccb, PCATCH | PRIBIO, "iirshw", 100 * hz); 1447 1448 /* flush */ 1449 for (i = 0; i < GDT_MAX_HDRIVES; ++i) { 1450 if (gdt->sc_hdr[i].hd_present) { 1451 ucmd->service = GDT_CACHESERVICE; 1452 ucmd->OpCode = GDT_FLUSH; 1453 ucmd->u.cache.DeviceNo = i; 1454 lock = splcam(); 1455 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); 1456 ucmd->complete_flag = FALSE; 1457 splx(lock); 1458 gdt_next(gdt); 1459 if (!ucmd->complete_flag) 1460 (void) tsleep((void *)ucmd, PCATCH|PRIBIO, "iirshw", 10*hz); 1461 } 1462 } 1463 1464 free(ucmd, M_DEVBUF); 1465 printf("Done.\n"); 1466} 1467 1468void 1469iir_intr(void *arg) 1470{ 1471 struct gdt_softc *gdt = arg; 1472 struct gdt_intr_ctx ctx; 1473 int lock = 0; 1474 struct gdt_ccb *gccb; 1475 gdt_ucmd_t *ucmd; 1476 u_int32_t cnt; 1477 1478 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); 1479 1480 /* If polling and we were not called from gdt_wait, just return */ 1481 if ((gdt->sc_state & GDT_POLLING) && 1482 !(gdt->sc_state & GDT_POLL_WAIT)) 1483 return; 1484 1485 if (!(gdt->sc_state & GDT_POLLING)) 1486 lock = splcam(); 1487 gdt_wait_index = 0; 1488 1489 ctx.istatus = gdt->sc_get_status(gdt); 1490 if (ctx.istatus == 0x00) { 1491 if (!(gdt->sc_state & GDT_POLLING)) 1492 splx(lock); 1493 gdt->sc_status = GDT_S_NO_STATUS; 1494 return; 1495 } 1496 1497 gdt->sc_intr(gdt, &ctx); 1498 1499 gdt->sc_status = ctx.cmd_status; 1500 gdt->sc_service = ctx.service; 1501 gdt->sc_info = ctx.info; 1502 gdt->sc_info2 = ctx.info2; 1503 1504 if (gdt->sc_state & GDT_POLL_WAIT) { 1505 gdt_wait_gdt = gdt; 1506 gdt_wait_index = ctx.istatus; 1507 } 1508 1509 if (ctx.istatus == GDT_ASYNCINDEX) { 1510 gdt_async_event(gdt, ctx.service); 1511 if (!(gdt->sc_state & GDT_POLLING)) 1512 splx(lock); 1513 return; 1514 } 1515 if (ctx.istatus == GDT_SPEZINDEX) { 1516 GDT_DPRINTF(GDT_D_INVALID, 1517 ("iir%d: Service unknown or not initialized!\n", 1518 gdt->sc_hanum)); 1519 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1520 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1521 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); 1522 if (!(gdt->sc_state & GDT_POLLING)) 1523 splx(lock); 1524 return; 1525 } 1526 1527 gccb = &gdt->sc_gccbs[ctx.istatus - 2]; 1528 ctx.service = gccb->gc_service; 1529 1530 switch (gccb->gc_flags) { 1531 case GDT_GCF_UNUSED: 1532 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", 1533 gdt->sc_hanum, ctx.istatus)); 1534 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1535 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1536 gdt->sc_dvr.eu.driver.index = ctx.istatus; 1537 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); 1538 gdt_free_ccb(gdt, gccb); 1539 /* fallthrough */ 1540 1541 case GDT_GCF_INTERNAL: 1542 if (!(gdt->sc_state & GDT_POLLING)) 1543 splx(lock); 1544 break; 1545 1546 case GDT_GCF_IOCTL: 1547 ucmd = gccb->gc_ucmd; 1548 if (gdt->sc_status == GDT_S_BSY) { 1549 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", 1550 gdt, gccb)); 1551 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 1552 if (!(gdt->sc_state & GDT_POLLING)) 1553 splx(lock); 1554 } else { 1555 ucmd->status = gdt->sc_status; 1556 ucmd->info = gdt->sc_info; 1557 ucmd->complete_flag = TRUE; 1558 if (ucmd->service == GDT_CACHESERVICE) { 1559 if (ucmd->OpCode == GDT_IOCTL) { 1560 cnt = ucmd->u.ioctl.param_size; 1561 if (cnt != 0) 1562 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1563 } else { 1564 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1565 if (cnt != 0) 1566 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1567 } 1568 } else { 1569 cnt = ucmd->u.raw.sdlen; 1570 if (cnt != 0) 1571 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1572 if (ucmd->u.raw.sense_len != 0) 1573 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1574 } 1575 gdt_free_ccb(gdt, gccb); 1576 if (!(gdt->sc_state & GDT_POLLING)) 1577 splx(lock); 1578 /* wakeup */ 1579 wakeup(ucmd); 1580 } 1581 gdt_next(gdt); 1582 break; 1583 1584 default: 1585 gdt_free_ccb(gdt, gccb); 1586 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); 1587 if (!(gdt->sc_state & GDT_POLLING)) 1588 splx(lock); 1589 gdt_next(gdt); 1590 break; 1591 } 1592} 1593 1594int 1595gdt_async_event(struct gdt_softc *gdt, int service) 1596{ 1597 struct gdt_ccb *gccb; 1598 1599 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); 1600 1601 if (service == GDT_SCREENSERVICE) { 1602 if (gdt->sc_status == GDT_MSG_REQUEST) { 1603 while (gdt->sc_test_busy(gdt)) 1604 DELAY(1); 1605 gccb = gdt_get_ccb(gdt); 1606 if (gccb == NULL) { 1607 printf("iir%d: No free command index found\n", 1608 gdt->sc_hanum); 1609 return (1); 1610 } 1611 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1612 gccb->gc_service = service; 1613 gccb->gc_flags = GDT_GCF_SCREEN; 1614 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1615 gccb->gc_cmd_index); 1616 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1617 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1618 GDT_MSG_INV_HANDLE); 1619 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1620 gccb->gc_scratch_busbase); 1621 gdt->sc_set_sema0(gdt); 1622 gdt->sc_cmd_off = 0; 1623 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1624 sizeof(u_int32_t)); 1625 gdt->sc_cmd_cnt = 0; 1626 gdt->sc_copy_cmd(gdt, gccb); 1627 printf("iir%d: [PCI %d/%d] ", 1628 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); 1629 gdt->sc_release_event(gdt); 1630 } 1631 1632 } else { 1633 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { 1634 gdt->sc_dvr.size = 0; 1635 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1636 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1637 /* severity and event_string already set! */ 1638 } else { 1639 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); 1640 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1641 gdt->sc_dvr.eu.async.service = service; 1642 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1643 gdt->sc_dvr.eu.async.info = gdt->sc_info; 1644 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; 1645 } 1646 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); 1647 printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); 1648 } 1649 1650 return (0); 1651} 1652 1653int 1654gdt_sync_event(struct gdt_softc *gdt, int service, 1655 u_int8_t index, struct gdt_ccb *gccb) 1656{ 1657 union ccb *ccb; 1658 1659 GDT_DPRINTF(GDT_D_INTR, 1660 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); 1661 1662 ccb = gccb->gc_ccb; 1663 1664 if (service == GDT_SCREENSERVICE) { 1665 u_int32_t msg_len; 1666 1667 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); 1668 if (msg_len) 1669 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1670 gccb->gc_scratch[GDT_SCR_MSG_EXT])) { 1671 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; 1672 printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); 1673 } 1674 1675 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && 1676 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { 1677 while (gdt->sc_test_busy(gdt)) 1678 DELAY(1); 1679 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1680 gccb = gdt_get_ccb(gdt); 1681 if (gccb == NULL) { 1682 printf("iir%d: No free command index found\n", 1683 gdt->sc_hanum); 1684 return (1); 1685 } 1686 gccb->gc_service = service; 1687 gccb->gc_flags = GDT_GCF_SCREEN; 1688 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1689 gccb->gc_cmd_index); 1690 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1691 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1692 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1693 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1694 gccb->gc_scratch_busbase); 1695 gdt->sc_set_sema0(gdt); 1696 gdt->sc_cmd_off = 0; 1697 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1698 sizeof(u_int32_t)); 1699 gdt->sc_cmd_cnt = 0; 1700 gdt->sc_copy_cmd(gdt, gccb); 1701 gdt->sc_release_event(gdt); 1702 return (0); 1703 } 1704 1705 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1706 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { 1707 /* default answers (getchar() not possible) */ 1708 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { 1709 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); 1710 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); 1711 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; 1712 } else { 1713 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 1714 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); 1715 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); 1716 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; 1717 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; 1718 } 1719 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; 1720 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; 1721 while (gdt->sc_test_busy(gdt)) 1722 DELAY(1); 1723 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1724 gccb = gdt_get_ccb(gdt); 1725 if (gccb == NULL) { 1726 printf("iir%d: No free command index found\n", 1727 gdt->sc_hanum); 1728 return (1); 1729 } 1730 gccb->gc_service = service; 1731 gccb->gc_flags = GDT_GCF_SCREEN; 1732 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1733 gccb->gc_cmd_index); 1734 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 1735 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1736 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1737 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1738 gccb->gc_scratch_busbase); 1739 gdt->sc_set_sema0(gdt); 1740 gdt->sc_cmd_off = 0; 1741 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1742 sizeof(u_int32_t)); 1743 gdt->sc_cmd_cnt = 0; 1744 gdt->sc_copy_cmd(gdt, gccb); 1745 gdt->sc_release_event(gdt); 1746 return (0); 1747 } 1748 printf("\n"); 1749 return (0); 1750 } else { 1751 untimeout(iir_timeout, gccb, gccb->gc_timeout_ch); 1752 if (gdt->sc_status == GDT_S_BSY) { 1753 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", 1754 gdt, gccb)); 1755 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1756 ++gdt_stat.req_queue_act; 1757 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1758 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1759 return (2); 1760 } 1761 1762 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1763 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1764 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1765 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap); 1766 1767 ccb->csio.resid = 0; 1768 if (gdt->sc_status == GDT_S_OK) { 1769 ccb->ccb_h.status |= CAM_REQ_CMP; 1770 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1771 } else { 1772 /* error */ 1773 if (gccb->gc_service == GDT_CACHESERVICE) { 1774 struct scsi_sense_data *sense; 1775 1776 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; 1777 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1778 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1779 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 1780 sense = &ccb->csio.sense_data; 1781 scsi_set_sense_data(sense, 1782 /*sense_format*/ SSD_TYPE_NONE, 1783 /*current_error*/ 1, 1784 /*sense_key*/ SSD_KEY_NOT_READY, 1785 /*asc*/ 0x4, 1786 /*ascq*/ 0x01, 1787 SSD_ELEM_NONE); 1788 1789 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); 1790 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; 1791 gdt->sc_dvr.eu.sync.service = service; 1792 gdt->sc_dvr.eu.sync.status = gdt->sc_status; 1793 gdt->sc_dvr.eu.sync.info = gdt->sc_info; 1794 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; 1795 if (gdt->sc_status >= 0x8000) 1796 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); 1797 else 1798 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); 1799 } else { 1800 /* raw service */ 1801 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { 1802 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1803 } else { 1804 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; 1805 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1806 ccb->csio.scsi_status = gdt->sc_info; 1807 bcopy(gccb->gc_scratch, &ccb->csio.sense_data, 1808 ccb->csio.sense_len); 1809 } 1810 } 1811 } 1812 --gdt_stat.io_count_act; 1813 xpt_done(ccb); 1814 } 1815 return (0); 1816} 1817 1818/* Controller event handling functions */ 1819gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx, 1820 gdt_evt_data *evt) 1821{ 1822 gdt_evt_str *e; 1823 struct timeval tv; 1824 1825 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); 1826 if (source == 0) /* no source -> no event */ 1827 return 0; 1828 1829 if (ebuffer[elastidx].event_source == source && 1830 ebuffer[elastidx].event_idx == idx && 1831 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && 1832 !memcmp((char *)&ebuffer[elastidx].event_data.eu, 1833 (char *)&evt->eu, evt->size)) || 1834 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && 1835 !strcmp((char *)&ebuffer[elastidx].event_data.event_string, 1836 (char *)&evt->event_string)))) { 1837 e = &ebuffer[elastidx]; 1838 getmicrotime(&tv); 1839 e->last_stamp = tv.tv_sec; 1840 ++e->same_count; 1841 } else { 1842 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ 1843 ++elastidx; 1844 if (elastidx == GDT_MAX_EVENTS) 1845 elastidx = 0; 1846 if (elastidx == eoldidx) { /* reached mark ? */ 1847 ++eoldidx; 1848 if (eoldidx == GDT_MAX_EVENTS) 1849 eoldidx = 0; 1850 } 1851 } 1852 e = &ebuffer[elastidx]; 1853 e->event_source = source; 1854 e->event_idx = idx; 1855 getmicrotime(&tv); 1856 e->first_stamp = e->last_stamp = tv.tv_sec; 1857 e->same_count = 1; 1858 e->event_data = *evt; 1859 e->application = 0; 1860 } 1861 return e; 1862} 1863 1864int gdt_read_event(int handle, gdt_evt_str *estr) 1865{ 1866 gdt_evt_str *e; 1867 int eindex, lock; 1868 1869 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); 1870 lock = splcam(); 1871 if (handle == -1) 1872 eindex = eoldidx; 1873 else 1874 eindex = handle; 1875 estr->event_source = 0; 1876 1877 if (eindex >= GDT_MAX_EVENTS) { 1878 splx(lock); 1879 return eindex; 1880 } 1881 e = &ebuffer[eindex]; 1882 if (e->event_source != 0) { 1883 if (eindex != elastidx) { 1884 if (++eindex == GDT_MAX_EVENTS) 1885 eindex = 0; 1886 } else { 1887 eindex = -1; 1888 } 1889 memcpy(estr, e, sizeof(gdt_evt_str)); 1890 } 1891 splx(lock); 1892 return eindex; 1893} 1894 1895void gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) 1896{ 1897 gdt_evt_str *e; 1898 int found = FALSE; 1899 int eindex, lock; 1900 1901 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); 1902 lock = splcam(); 1903 eindex = eoldidx; 1904 for (;;) { 1905 e = &ebuffer[eindex]; 1906 if (e->event_source == 0) 1907 break; 1908 if ((e->application & application) == 0) { 1909 e->application |= application; 1910 found = TRUE; 1911 break; 1912 } 1913 if (eindex == elastidx) 1914 break; 1915 if (++eindex == GDT_MAX_EVENTS) 1916 eindex = 0; 1917 } 1918 if (found) 1919 memcpy(estr, e, sizeof(gdt_evt_str)); 1920 else 1921 estr->event_source = 0; 1922 splx(lock); 1923} 1924 1925void gdt_clear_events() 1926{ 1927 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); 1928 1929 eoldidx = elastidx = 0; 1930 ebuffer[0].event_source = 0; 1931} 1932