Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/dev/raid/iir/iir.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /* $FreeBSD: src/sys/dev/iir/iir.c,v 1.24 2010/01/08 15:47:23 trasz Exp $ */ 2 /*- 3 * Copyright (c) 2000-04 ICP vortex GmbH 4 * Copyright (c) 2002-04 Intel Corporation 5 * Copyright (c) 2003-04 Adaptec Inc. 6 * All Rights Reserved 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /* 34 * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver 35 * 36 * Written by: Achim Leubner <achim_leubner@adaptec.com> 37 * Fixes/Additions: Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> 38 * 39 * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers. 40 * Mike Smith; Some driver source code. 41 * FreeBSD.ORG; Great O/S to work on and for. 42 * 43 * $Id: iir.c 1.5 2004/03/30 10:17:53 achim Exp $" 44 */ 45 46 47 #define _IIR_C_ 48 49 /* #include "opt_iir.h" */ 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/types.h> 53 #include <sys/endian.h> 54 #include <sys/eventhandler.h> 55 #include <sys/malloc.h> 56 #include <sys/kernel.h> 57 #include <sys/bus.h> 58 #include <sys/thread2.h> 59 60 #include <machine/stdarg.h> 61 62 #include <bus/cam/cam.h> 63 #include <bus/cam/cam_ccb.h> 64 #include <bus/cam/cam_sim.h> 65 #include <bus/cam/cam_xpt_sim.h> 66 #include <bus/cam/cam_debug.h> 67 #include <bus/cam/scsi/scsi_all.h> 68 #include <bus/cam/scsi/scsi_message.h> 69 #include "pcidevs.h" 70 71 #include <dev/raid/iir/iir.h> 72 73 MALLOC_DEFINE(M_GDTBUF, "iirbuf", "iir driver buffer"); 74 75 struct gdt_softc *gdt_wait_gdt; 76 int gdt_wait_index; 77 78 #ifdef GDT_DEBUG 79 int gdt_debug = GDT_DEBUG; 80 #ifdef __SERIAL__ 81 #define MAX_SERBUF 160 82 static void ser_init(void); 83 static void ser_puts(char *str); 84 static void ser_putc(int c); 85 static char strbuf[MAX_SERBUF+1]; 86 #ifdef __COM2__ 87 #define COM_BASE 0x2f8 88 #else 89 #define COM_BASE 0x3f8 90 #endif 91 static void ser_init() 92 { 93 unsigned port=COM_BASE; 94 95 outb(port+3, 0x80); 96 outb(port+1, 0); 97 /* 19200 Baud, if 9600: outb(12,port) */ 98 outb(port, 6); 99 outb(port+3, 3); 100 outb(port+1, 0); 101 } 102 103 static void ser_puts(char *str) 104 { 105 char *ptr; 106 107 ser_init(); 108 for (ptr=str;*ptr;++ptr) 109 ser_putc((int)(*ptr)); 110 } 111 112 static void ser_putc(int c) 113 { 114 unsigned port=COM_BASE; 115 116 while ((inb(port+5) & 0x20)==0); 117 outb(port, c); 118 if (c==0x0a) 119 { 120 while ((inb(port+5) & 0x20)==0); 121 outb(port, 0x0d); 122 } 123 } 124 125 int 126 ser_kprintf(const char *fmt, ...) 127 { 128 __va_list args; 129 int i; 130 131 __va_start(args,fmt); 132 i = kvsprintf(strbuf,fmt,args); 133 ser_puts(strbuf); 134 __va_end(args); 135 return i; 136 } 137 #endif 138 #endif 139 140 /* The linked list of softc structures */ 141 struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs); 142 /* controller cnt. */ 143 int gdt_cnt = 0; 144 /* event buffer */ 145 static gdt_evt_str ebuffer[GDT_MAX_EVENTS]; 146 static int elastidx, eoldidx; 147 /* statistics */ 148 gdt_statist_t gdt_stat; 149 150 /* Definitions for our use of the SIM private CCB area */ 151 #define ccb_sim_ptr spriv_ptr0 152 #define ccb_priority spriv_field1 153 154 static void iir_action(struct cam_sim *sim, union ccb *ccb); 155 static void iir_poll(struct cam_sim *sim); 156 static void iir_shutdown(void *arg, int howto); 157 static void iir_timeout(void *arg); 158 159 static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, 160 int *secs); 161 static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 162 u_int8_t service, u_int16_t opcode, 163 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); 164 static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb, 165 int timeout); 166 167 static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt); 168 169 static int gdt_sync_event(struct gdt_softc *gdt, int service, 170 u_int8_t index, struct gdt_ccb *gccb); 171 static int gdt_async_event(struct gdt_softc *gdt, int service); 172 static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb); 173 static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb); 174 static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd); 175 static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb); 176 177 static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, 178 int nseg, int error); 179 static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, 180 int nseg, int error); 181 182 int 183 iir_init(struct gdt_softc *gdt) 184 { 185 u_int16_t cdev_cnt; 186 int i, id, drv_cyls, drv_hds, drv_secs; 187 struct gdt_ccb *gccb; 188 189 GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n")); 190 191 gdt->sc_state = GDT_POLLING; 192 gdt_clear_events(); 193 bzero(&gdt_stat, sizeof(gdt_statist_t)); 194 195 SLIST_INIT(&gdt->sc_free_gccb); 196 SLIST_INIT(&gdt->sc_pending_gccb); 197 TAILQ_INIT(&gdt->sc_ccb_queue); 198 TAILQ_INIT(&gdt->sc_ucmd_queue); 199 TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links); 200 201 /* DMA tag for mapping buffers into device visible space. */ 202 if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, 203 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 204 /*highaddr*/BUS_SPACE_MAXADDR, 205 /*filter*/NULL, /*filterarg*/NULL, 206 /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG, 207 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 208 /*flags*/BUS_DMA_ALLOCNOW, 209 &gdt->sc_buffer_dmat) != 0) { 210 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n", 211 gdt->sc_hanum); 212 return (1); 213 } 214 gdt->sc_init_level++; 215 216 /* DMA tag for our ccb structures */ 217 if (bus_dma_tag_create(gdt->sc_parent_dmat, 218 /*alignment*/1, 219 /*boundary*/0, 220 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 221 /*highaddr*/BUS_SPACE_MAXADDR, 222 /*filter*/NULL, 223 /*filterarg*/NULL, 224 GDT_MAXCMDS * GDT_SCRATCH_SZ, /* maxsize */ 225 /*nsegments*/1, 226 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 227 /*flags*/0, &gdt->sc_gcscratch_dmat) != 0) { 228 kprintf("iir%d: bus_dma_tag_create(...,gdt->sc_gcscratch_dmat) failed\n", 229 gdt->sc_hanum); 230 return (1); 231 } 232 gdt->sc_init_level++; 233 234 /* Allocation for our ccb scratch area */ 235 if (bus_dmamem_alloc(gdt->sc_gcscratch_dmat, (void *)&gdt->sc_gcscratch, 236 BUS_DMA_NOWAIT, &gdt->sc_gcscratch_dmamap) != 0) { 237 kprintf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gcscratch,...) failed\n", 238 gdt->sc_hanum); 239 return (1); 240 } 241 gdt->sc_init_level++; 242 243 /* And permanently map them */ 244 bus_dmamap_load(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap, 245 gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ, 246 gdtmapmem, &gdt->sc_gcscratch_busbase, /*flags*/0); 247 gdt->sc_init_level++; 248 249 /* Clear them out. */ 250 bzero(gdt->sc_gcscratch, GDT_MAXCMDS * GDT_SCRATCH_SZ); 251 252 /* Initialize the ccbs */ 253 gdt->sc_gccbs = kmalloc(sizeof(struct gdt_ccb) * GDT_MAXCMDS, M_GDTBUF, 254 M_INTWAIT | M_ZERO); 255 if (gdt->sc_gccbs == NULL) { 256 kprintf("iir%d: no memory for gccbs.\n", gdt->sc_hanum); 257 return (1); 258 } 259 for (i = GDT_MAXCMDS-1; i >= 0; i--) { 260 gccb = &gdt->sc_gccbs[i]; 261 gccb->gc_cmd_index = i + 2; 262 gccb->gc_flags = GDT_GCF_UNUSED; 263 gccb->gc_map_flag = FALSE; 264 if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0, 265 &gccb->gc_dmamap) != 0) 266 return(1); 267 gccb->gc_map_flag = TRUE; 268 gccb->gc_scratch = &gdt->sc_gcscratch[GDT_SCRATCH_SZ * i]; 269 gccb->gc_scratch_busbase = gdt->sc_gcscratch_busbase + GDT_SCRATCH_SZ * i; 270 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 271 } 272 gdt->sc_init_level++; 273 274 /* create the control device */ 275 gdt->sc_dev = gdt_make_dev(gdt->sc_hanum); 276 277 /* allocate ccb for gdt_internal_cmd() */ 278 gccb = gdt_get_ccb(gdt); 279 if (gccb == NULL) { 280 kprintf("iir%d: No free command index found\n", 281 gdt->sc_hanum); 282 return (1); 283 } 284 bzero(gccb->gc_cmd, GDT_CMD_SZ); 285 286 if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT, 287 0, 0, 0)) { 288 kprintf("iir%d: Screen service initialization error %d\n", 289 gdt->sc_hanum, gdt->sc_status); 290 gdt_free_ccb(gdt, gccb); 291 return (1); 292 } 293 294 gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO, 295 0, 0, 0); 296 297 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, 298 GDT_LINUX_OS, 0, 0)) { 299 kprintf("iir%d: Cache service initialization error %d\n", 300 gdt->sc_hanum, gdt->sc_status); 301 gdt_free_ccb(gdt, gccb); 302 return (1); 303 } 304 cdev_cnt = (u_int16_t)gdt->sc_info; 305 gdt->sc_fw_vers = gdt->sc_service; 306 307 /* Detect number of buses */ 308 gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST); 309 gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS; 310 gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0; 311 gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1; 312 gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ); 313 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 314 GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL, 315 GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) { 316 gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT]; 317 for (i = 0; i < gdt->sc_bus_cnt; i++) { 318 id = gccb->gc_scratch[GDT_IOC_HDR_SZ + 319 i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID]; 320 gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff; 321 } 322 } else { 323 /* New method failed, use fallback. */ 324 for (i = 0; i < GDT_MAXBUS; i++) { 325 gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i); 326 if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 327 GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN, 328 GDT_IO_CHANNEL | GDT_INVALID_CHANNEL, 329 GDT_GETCH_SZ)) { 330 if (i == 0) { 331 kprintf("iir%d: Cannot get channel count, " 332 "error %d\n", gdt->sc_hanum, gdt->sc_status); 333 gdt_free_ccb(gdt, gccb); 334 return (1); 335 } 336 break; 337 } 338 gdt->sc_bus_id[i] = 339 (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ? 340 gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff; 341 } 342 gdt->sc_bus_cnt = i; 343 } 344 /* add one "virtual" channel for the host drives */ 345 gdt->sc_virt_bus = gdt->sc_bus_cnt; 346 gdt->sc_bus_cnt++; 347 348 if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT, 349 0, 0, 0)) { 350 kprintf("iir%d: Raw service initialization error %d\n", 351 gdt->sc_hanum, gdt->sc_status); 352 gdt_free_ccb(gdt, gccb); 353 return (1); 354 } 355 356 /* Set/get features raw service (scatter/gather) */ 357 gdt->sc_raw_feat = 0; 358 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT, 359 GDT_SCATTER_GATHER, 0, 0)) { 360 if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT, 361 0, 0, 0)) { 362 gdt->sc_raw_feat = gdt->sc_info; 363 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 364 panic("iir%d: Scatter/Gather Raw Service " 365 "required but not supported!\n", gdt->sc_hanum); 366 gdt_free_ccb(gdt, gccb); 367 return (1); 368 } 369 } 370 } 371 372 /* Set/get features cache service (scatter/gather) */ 373 gdt->sc_cache_feat = 0; 374 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT, 375 0, GDT_SCATTER_GATHER, 0)) { 376 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT, 377 0, 0, 0)) { 378 gdt->sc_cache_feat = gdt->sc_info; 379 if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { 380 panic("iir%d: Scatter/Gather Cache Service " 381 "required but not supported!\n", gdt->sc_hanum); 382 gdt_free_ccb(gdt, gccb); 383 return (1); 384 } 385 } 386 } 387 388 /* OEM */ 389 gdt_enc32(gccb->gc_scratch + GDT_OEM_VERSION, 0x01); 390 gdt_enc32(gccb->gc_scratch + GDT_OEM_BUFSIZE, sizeof(gdt_oem_record_t)); 391 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, 392 GDT_OEM_STR_RECORD, GDT_INVALID_CHANNEL, 393 sizeof(gdt_oem_str_record_t))) { 394 strncpy(gdt->oem_name, ((gdt_oem_str_record_t *) 395 gccb->gc_scratch)->text.scsi_host_drive_inquiry_vendor_id, 7); 396 gdt->oem_name[7]='\0'; 397 } else { 398 /* Old method, based on PCI ID */ 399 if (gdt->sc_vendor == PCI_VENDOR_INTEL) 400 strcpy(gdt->oem_name,"Intel "); 401 else 402 strcpy(gdt->oem_name,"ICP "); 403 } 404 405 /* Scan for cache devices */ 406 for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) { 407 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO, 408 i, 0, 0)) { 409 gdt->sc_hdr[i].hd_present = 1; 410 gdt->sc_hdr[i].hd_size = gdt->sc_info; 411 412 /* 413 * Evaluate mapping (sectors per head, heads per cyl) 414 */ 415 gdt->sc_hdr[i].hd_size &= ~GDT_SECS32; 416 if (gdt->sc_info2 == 0) 417 gdt_eval_mapping(gdt->sc_hdr[i].hd_size, 418 &drv_cyls, &drv_hds, &drv_secs); 419 else { 420 drv_hds = gdt->sc_info2 & 0xff; 421 drv_secs = (gdt->sc_info2 >> 8) & 0xff; 422 drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds / 423 drv_secs; 424 } 425 gdt->sc_hdr[i].hd_heads = drv_hds; 426 gdt->sc_hdr[i].hd_secs = drv_secs; 427 /* Round the size */ 428 gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; 429 430 if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, 431 GDT_DEVTYPE, i, 0, 0)) 432 gdt->sc_hdr[i].hd_devtype = gdt->sc_info; 433 } 434 } 435 436 GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n", 437 gdt->sc_dpmembase, 438 gdt->sc_bus_cnt, cdev_cnt, 439 cdev_cnt == 1 ? "" : "s")); 440 gdt_free_ccb(gdt, gccb); 441 442 gdt_cnt++; 443 return (0); 444 } 445 446 void 447 iir_free(struct gdt_softc *gdt) 448 { 449 int i; 450 451 GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n")); 452 453 switch (gdt->sc_init_level) { 454 default: 455 gdt_destroy_dev(gdt->sc_dev); 456 case 5: 457 for (i = GDT_MAXCMDS-1; i >= 0; i--) 458 if (gdt->sc_gccbs[i].gc_map_flag) 459 bus_dmamap_destroy(gdt->sc_buffer_dmat, 460 gdt->sc_gccbs[i].gc_dmamap); 461 bus_dmamap_unload(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch_dmamap); 462 kfree(gdt->sc_gccbs, M_GDTBUF); 463 case 4: 464 bus_dmamem_free(gdt->sc_gcscratch_dmat, gdt->sc_gcscratch, gdt->sc_gcscratch_dmamap); 465 case 3: 466 bus_dma_tag_destroy(gdt->sc_gcscratch_dmat); 467 case 2: 468 bus_dma_tag_destroy(gdt->sc_buffer_dmat); 469 case 1: 470 bus_dma_tag_destroy(gdt->sc_parent_dmat); 471 case 0: 472 break; 473 } 474 TAILQ_REMOVE(&gdt_softcs, gdt, links); 475 } 476 477 void 478 iir_attach(struct gdt_softc *gdt) 479 { 480 struct cam_devq *devq; 481 int i; 482 483 GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n")); 484 485 /* 486 * Create the device queue for our SIM. 487 * XXX Throttle this down since the card has problems under load. 488 */ 489 devq = cam_simq_alloc(32); 490 if (devq == NULL) 491 return; 492 493 for (i = 0; i < gdt->sc_bus_cnt; i++) { 494 /* 495 * Construct our SIM entry 496 */ 497 gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir", 498 gdt, gdt->sc_hanum, &sim_mplock, 499 /*untagged*/1, 500 /*tagged*/GDT_MAXCMDS, devq); 501 if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) { 502 cam_sim_free(gdt->sims[i]); 503 break; 504 } 505 506 if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, 507 cam_sim_path(gdt->sims[i]), 508 CAM_TARGET_WILDCARD, 509 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 510 xpt_bus_deregister(cam_sim_path(gdt->sims[i])); 511 cam_sim_free(gdt->sims[i]); 512 break; 513 } 514 } 515 cam_simq_release(devq); 516 if (i > 0) 517 EVENTHANDLER_REGISTER(shutdown_post_sync, iir_shutdown, 518 gdt, SHUTDOWN_PRI_DRIVER); 519 gdt->sc_state = GDT_NORMAL; 520 } 521 522 static void 523 gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) 524 { 525 *cyls = size / GDT_HEADS / GDT_SECS; 526 if (*cyls < GDT_MAXCYLS) { 527 *heads = GDT_HEADS; 528 *secs = GDT_SECS; 529 } else { 530 /* Too high for 64 * 32 */ 531 *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; 532 if (*cyls < GDT_MAXCYLS) { 533 *heads = GDT_MEDHEADS; 534 *secs = GDT_MEDSECS; 535 } else { 536 /* Too high for 127 * 63 */ 537 *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; 538 *heads = GDT_BIGHEADS; 539 *secs = GDT_BIGSECS; 540 } 541 } 542 } 543 544 static int 545 gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, 546 int timeout) 547 { 548 int rv = 0; 549 550 GDT_DPRINTF(GDT_D_INIT, 551 ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); 552 553 gdt->sc_state |= GDT_POLL_WAIT; 554 do { 555 iir_intr(gdt); 556 if (gdt == gdt_wait_gdt && 557 gccb->gc_cmd_index == gdt_wait_index) { 558 rv = 1; 559 break; 560 } 561 DELAY(1); 562 } while (--timeout); 563 gdt->sc_state &= ~GDT_POLL_WAIT; 564 565 while (gdt->sc_test_busy(gdt)) 566 DELAY(1); /* XXX correct? */ 567 568 return (rv); 569 } 570 571 static int 572 gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, 573 u_int8_t service, u_int16_t opcode, 574 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) 575 { 576 int retries; 577 578 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", 579 gdt, service, opcode, arg1, arg2, arg3)); 580 581 bzero(gccb->gc_cmd, GDT_CMD_SZ); 582 583 for (retries = GDT_RETRIES; ; ) { 584 gccb->gc_service = service; 585 gccb->gc_flags = GDT_GCF_INTERNAL; 586 587 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 588 gccb->gc_cmd_index); 589 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 590 591 switch (service) { 592 case GDT_CACHESERVICE: 593 if (opcode == GDT_IOCTL) { 594 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 595 GDT_IOCTL_SUBFUNC, arg1); 596 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 597 GDT_IOCTL_CHANNEL, arg2); 598 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 599 GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); 600 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 601 gccb->gc_scratch_busbase); 602 } else { 603 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + 604 GDT_CACHE_DEVICENO, (u_int16_t)arg1); 605 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 606 GDT_CACHE_BLOCKNO, arg2); 607 } 608 break; 609 610 case GDT_SCSIRAWSERVICE: 611 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + 612 GDT_RAW_DIRECTION, arg1); 613 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 614 (u_int8_t)arg2; 615 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 616 (u_int8_t)arg3; 617 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 618 (u_int8_t)(arg3 >> 8); 619 } 620 621 gdt->sc_set_sema0(gdt); 622 gccb->gc_cmd_len = GDT_CMD_SZ; 623 gdt->sc_cmd_off = 0; 624 gdt->sc_cmd_cnt = 0; 625 gdt->sc_copy_cmd(gdt, gccb); 626 gdt->sc_release_event(gdt); 627 DELAY(20); 628 if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) 629 return (0); 630 if (gdt->sc_status != GDT_S_BSY || --retries == 0) 631 break; 632 DELAY(1); 633 } 634 return (gdt->sc_status == GDT_S_OK); 635 } 636 637 static struct gdt_ccb * 638 gdt_get_ccb(struct gdt_softc *gdt) 639 { 640 struct gdt_ccb *gccb; 641 642 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); 643 644 crit_enter(); 645 gccb = SLIST_FIRST(&gdt->sc_free_gccb); 646 if (gccb != NULL) { 647 SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); 648 SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); 649 ++gdt_stat.cmd_index_act; 650 if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) 651 gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; 652 } 653 crit_exit(); 654 return (gccb); 655 } 656 657 void 658 gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) 659 { 660 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); 661 662 crit_enter(); 663 gccb->gc_flags = GDT_GCF_UNUSED; 664 SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); 665 SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); 666 --gdt_stat.cmd_index_act; 667 crit_exit(); 668 if (gdt->sc_state & GDT_SHUTDOWN) 669 wakeup(gccb); 670 } 671 672 void 673 gdt_next(struct gdt_softc *gdt) 674 { 675 union ccb *ccb; 676 gdt_ucmd_t *ucmd; 677 struct cam_sim *sim; 678 int bus, target, lun; 679 int next_cmd; 680 681 struct ccb_scsiio *csio; 682 struct ccb_hdr *ccbh; 683 struct gdt_ccb *gccb = NULL; 684 u_int8_t cmd; 685 686 GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); 687 688 crit_enter(); 689 if (gdt->sc_test_busy(gdt)) { 690 if (!(gdt->sc_state & GDT_POLLING)) { 691 crit_exit(); 692 return; 693 } 694 while (gdt->sc_test_busy(gdt)) 695 DELAY(1); 696 } 697 698 gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; 699 next_cmd = TRUE; 700 for (;;) { 701 /* I/Os in queue? controller ready? */ 702 if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && 703 !TAILQ_FIRST(&gdt->sc_ccb_queue)) 704 break; 705 706 /* 1.: I/Os without ccb (IOCTLs) */ 707 ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); 708 if (ucmd != NULL) { 709 TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); 710 if ((gccb = gdt_ioctl_cmd(gdt, ucmd)) == NULL) { 711 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 712 break; 713 } 714 break; 715 /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ 716 } 717 718 /* 2.: I/Os with ccb */ 719 ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); 720 /* ist dann immer != NULL, da oben getestet */ 721 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 722 bus = cam_sim_bus(sim); 723 target = ccb->ccb_h.target_id; 724 lun = ccb->ccb_h.target_lun; 725 726 TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 727 --gdt_stat.req_queue_act; 728 /* ccb->ccb_h.func_code is XPT_SCSI_IO */ 729 GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", 730 ccb->ccb_h.flags)); 731 csio = &ccb->csio; 732 ccbh = &ccb->ccb_h; 733 cmd = csio->cdb_io.cdb_bytes[0]; 734 /* Max CDB length is 12 bytes */ 735 if (csio->cdb_len > 12) { 736 ccbh->status = CAM_REQ_INVALID; 737 --gdt_stat.io_count_act; 738 xpt_done(ccb); 739 } else if (bus != gdt->sc_virt_bus) { 740 /* raw service command */ 741 if ((gccb = gdt_raw_cmd(gdt, ccb)) == NULL) { 742 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 743 sim_links.tqe); 744 ++gdt_stat.req_queue_act; 745 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 746 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 747 next_cmd = FALSE; 748 } 749 } else if (target >= GDT_MAX_HDRIVES || 750 !gdt->sc_hdr[target].hd_present || lun != 0) { 751 ccbh->status = CAM_DEV_NOT_THERE; 752 --gdt_stat.io_count_act; 753 xpt_done(ccb); 754 } else { 755 /* cache service command */ 756 if (cmd == READ_6 || cmd == WRITE_6 || 757 cmd == READ_10 || cmd == WRITE_10) { 758 if ((gccb = gdt_cache_cmd(gdt, ccb)) == NULL) { 759 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, 760 sim_links.tqe); 761 ++gdt_stat.req_queue_act; 762 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 763 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 764 next_cmd = FALSE; 765 } 766 } else { 767 crit_exit(); 768 gdt_internal_cache_cmd(gdt, ccb); 769 crit_enter(); 770 } 771 } 772 if ((gdt->sc_state & GDT_POLLING) || !next_cmd) 773 break; 774 } 775 if (gdt->sc_cmd_cnt > 0) 776 gdt->sc_release_event(gdt); 777 778 crit_exit(); 779 780 if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { 781 gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); 782 } 783 } 784 785 static struct gdt_ccb * 786 gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb) 787 { 788 struct gdt_ccb *gccb; 789 struct cam_sim *sim; 790 791 GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); 792 793 if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + 794 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 795 gdt->sc_ic_all_size) { 796 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", 797 gdt->sc_hanum)); 798 return (NULL); 799 } 800 801 gccb = gdt_get_ccb(gdt); 802 if (gccb == NULL) { 803 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n", 804 gdt->sc_hanum)); 805 return (gccb); 806 } 807 bzero(gccb->gc_cmd, GDT_CMD_SZ); 808 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 809 gccb->gc_ccb = ccb; 810 gccb->gc_service = GDT_SCSIRAWSERVICE; 811 gccb->gc_flags = GDT_GCF_SCSI; 812 813 if (gdt->sc_cmd_cnt == 0) 814 gdt->sc_set_sema0(gdt); 815 crit_exit(); 816 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 817 gccb->gc_cmd_index); 818 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 819 820 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 821 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 822 GDT_DATA_IN : GDT_DATA_OUT); 823 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 824 ccb->csio.dxfer_len); 825 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 826 ccb->csio.cdb_len); 827 bcopy(ccb->csio.cdb_io.cdb_bytes, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 828 ccb->csio.cdb_len); 829 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 830 ccb->ccb_h.target_id; 831 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 832 ccb->ccb_h.target_lun; 833 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 834 cam_sim_bus(sim); 835 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 836 sizeof(struct scsi_sense_data)); 837 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 838 gccb->gc_scratch_busbase); 839 840 /* 841 * If we have any data to send with this command, 842 * map it into bus space. 843 */ 844 /* Only use S/G if there is a transfer */ 845 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 846 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 847 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 848 int error; 849 850 /* vorher unlock von splcam() ??? */ 851 crit_enter(); 852 error = 853 bus_dmamap_load(gdt->sc_buffer_dmat, 854 gccb->gc_dmamap, 855 ccb->csio.data_ptr, 856 ccb->csio.dxfer_len, 857 gdtexecuteccb, 858 gccb, /*flags*/0); 859 if (error == EINPROGRESS) { 860 xpt_freeze_simq(sim, 1); 861 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 862 } 863 crit_exit(); 864 } else { 865 panic("iir: CAM_DATA_PHYS not supported"); 866 } 867 } else { 868 struct bus_dma_segment *segs; 869 870 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 871 panic("iir%d: iir_action - Physical " 872 "segment pointers unsupported", gdt->sc_hanum); 873 874 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 875 panic("iir%d: iir_action - Virtual " 876 "segment addresses unsupported", gdt->sc_hanum); 877 878 /* Just use the segments provided */ 879 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 880 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 881 } 882 } else { 883 gdtexecuteccb(gccb, NULL, 0, 0); 884 } 885 886 crit_enter(); 887 return (gccb); 888 } 889 890 static struct gdt_ccb * 891 gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb) 892 { 893 struct gdt_ccb *gccb; 894 struct cam_sim *sim; 895 u_int8_t *cmdp; 896 u_int16_t opcode; 897 u_int32_t blockno, blockcnt; 898 899 GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); 900 901 if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + 902 gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > 903 gdt->sc_ic_all_size) { 904 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", 905 gdt->sc_hanum)); 906 return (NULL); 907 } 908 909 gccb = gdt_get_ccb(gdt); 910 if (gccb == NULL) { 911 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 912 gdt->sc_hanum)); 913 return (gccb); 914 } 915 bzero(gccb->gc_cmd, GDT_CMD_SZ); 916 sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; 917 gccb->gc_ccb = ccb; 918 gccb->gc_service = GDT_CACHESERVICE; 919 gccb->gc_flags = GDT_GCF_SCSI; 920 921 if (gdt->sc_cmd_cnt == 0) 922 gdt->sc_set_sema0(gdt); 923 crit_exit(); 924 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 925 gccb->gc_cmd_index); 926 cmdp = ccb->csio.cdb_io.cdb_bytes; 927 opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; 928 if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) 929 opcode = GDT_WRITE_THR; 930 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, opcode); 931 932 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 933 ccb->ccb_h.target_id); 934 if (ccb->csio.cdb_len == 6) { 935 struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; 936 blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); 937 blockcnt = rw->length ? rw->length : 0x100; 938 } else { 939 struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; 940 blockno = scsi_4btoul(rw->addr); 941 blockcnt = scsi_2btoul(rw->length); 942 } 943 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 944 blockno); 945 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 946 blockcnt); 947 948 /* 949 * If we have any data to send with this command, 950 * map it into bus space. 951 */ 952 /* Only use S/G if there is a transfer */ 953 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 954 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 955 int error; 956 957 /* vorher unlock von splcam() ??? */ 958 crit_enter(); 959 error = 960 bus_dmamap_load(gdt->sc_buffer_dmat, 961 gccb->gc_dmamap, 962 ccb->csio.data_ptr, 963 ccb->csio.dxfer_len, 964 gdtexecuteccb, 965 gccb, /*flags*/0); 966 if (error == EINPROGRESS) { 967 xpt_freeze_simq(sim, 1); 968 gccb->gc_ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 969 } 970 crit_exit(); 971 } else { 972 panic("iir: CAM_DATA_PHYS not supported"); 973 } 974 } else { 975 struct bus_dma_segment *segs; 976 977 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) 978 panic("iir%d: iir_action - Physical " 979 "segment pointers unsupported", gdt->sc_hanum); 980 981 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) 982 panic("iir%d: iir_action - Virtual " 983 "segment addresses unsupported", gdt->sc_hanum); 984 985 /* Just use the segments provided */ 986 segs = (struct bus_dma_segment *)ccb->csio.data_ptr; 987 gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); 988 } 989 990 crit_enter(); 991 return (gccb); 992 } 993 994 static struct gdt_ccb * 995 gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd) 996 { 997 struct gdt_ccb *gccb; 998 u_int32_t cnt; 999 1000 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); 1001 1002 gccb = gdt_get_ccb(gdt); 1003 if (gccb == NULL) { 1004 GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", 1005 gdt->sc_hanum)); 1006 return (gccb); 1007 } 1008 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1009 gccb->gc_ucmd = ucmd; 1010 gccb->gc_service = ucmd->service; 1011 gccb->gc_flags = GDT_GCF_IOCTL; 1012 1013 /* check DPMEM space, copy data buffer from user space */ 1014 if (ucmd->service == GDT_CACHESERVICE) { 1015 if (ucmd->OpCode == GDT_IOCTL) { 1016 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, 1017 sizeof(u_int32_t)); 1018 cnt = ucmd->u.ioctl.param_size; 1019 if (cnt > GDT_SCRATCH_SZ) { 1020 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1021 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1022 gdt_free_ccb(gdt, gccb); 1023 return (NULL); 1024 } 1025 } else { 1026 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1027 GDT_SG_SZ, sizeof(u_int32_t)); 1028 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1029 if (cnt > GDT_SCRATCH_SZ) { 1030 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1031 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); 1032 gdt_free_ccb(gdt, gccb); 1033 return (NULL); 1034 } 1035 } 1036 } else { 1037 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1038 GDT_SG_SZ, sizeof(u_int32_t)); 1039 cnt = ucmd->u.raw.sdlen; 1040 if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { 1041 kprintf("iir%d: Scratch buffer too small (%d/%d)\n", 1042 gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); 1043 gdt_free_ccb(gdt, gccb); 1044 return (NULL); 1045 } 1046 } 1047 if (cnt != 0) 1048 bcopy(ucmd->data, gccb->gc_scratch, cnt); 1049 1050 if (gdt->sc_cmd_off + gccb->gc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > 1051 gdt->sc_ic_all_size) { 1052 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", 1053 gdt->sc_hanum)); 1054 gdt_free_ccb(gdt, gccb); 1055 return (NULL); 1056 } 1057 1058 if (gdt->sc_cmd_cnt == 0) 1059 gdt->sc_set_sema0(gdt); 1060 crit_exit(); 1061 1062 /* fill cmd structure */ 1063 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1064 gccb->gc_cmd_index); 1065 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, 1066 ucmd->OpCode); 1067 1068 if (ucmd->service == GDT_CACHESERVICE) { 1069 if (ucmd->OpCode == GDT_IOCTL) { 1070 /* IOCTL */ 1071 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, 1072 ucmd->u.ioctl.param_size); 1073 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, 1074 ucmd->u.ioctl.subfunc); 1075 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, 1076 ucmd->u.ioctl.channel); 1077 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, 1078 gccb->gc_scratch_busbase); 1079 } else { 1080 /* cache service command */ 1081 gdt_enc16(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, 1082 ucmd->u.cache.DeviceNo); 1083 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, 1084 ucmd->u.cache.BlockNo); 1085 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, 1086 ucmd->u.cache.BlockCnt); 1087 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1088 0xffffffffUL); 1089 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1090 1); 1091 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1092 GDT_SG_PTR, gccb->gc_scratch_busbase); 1093 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1094 GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); 1095 } 1096 } else { 1097 /* raw service command */ 1098 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, 1099 ucmd->u.raw.direction); 1100 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1101 0xffffffffUL); 1102 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, 1103 ucmd->u.raw.sdlen); 1104 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, 1105 ucmd->u.raw.clen); 1106 bcopy(ucmd->u.raw.cmd, gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 1107 12); 1108 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = 1109 ucmd->u.raw.target; 1110 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = 1111 ucmd->u.raw.lun; 1112 gccb->gc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = 1113 ucmd->u.raw.bus; 1114 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, 1115 ucmd->u.raw.sense_len); 1116 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, 1117 gccb->gc_scratch_busbase + ucmd->u.raw.sdlen); 1118 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1119 1); 1120 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1121 GDT_SG_PTR, gccb->gc_scratch_busbase); 1122 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1123 GDT_SG_LEN, ucmd->u.raw.sdlen); 1124 } 1125 1126 crit_enter(); 1127 gdt_stat.sg_count_act = 1; 1128 gdt->sc_copy_cmd(gdt, gccb); 1129 return (gccb); 1130 } 1131 1132 static void 1133 gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) 1134 { 1135 int t; 1136 1137 t = ccb->ccb_h.target_id; 1138 GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", 1139 gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); 1140 1141 switch (ccb->csio.cdb_io.cdb_bytes[0]) { 1142 case TEST_UNIT_READY: 1143 case START_STOP: 1144 break; 1145 case REQUEST_SENSE: 1146 GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); 1147 break; 1148 case INQUIRY: 1149 { 1150 struct scsi_inquiry_data inq; 1151 size_t copylen = MIN(sizeof(inq), ccb->csio.dxfer_len); 1152 1153 bzero(&inq, sizeof(inq)); 1154 inq.device = (gdt->sc_hdr[t].hd_devtype & 4) ? 1155 T_CDROM : T_DIRECT; 1156 inq.dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; 1157 inq.version = SCSI_REV_2; 1158 inq.response_format = 2; 1159 inq.additional_length = 32; 1160 inq.flags = SID_CmdQue | SID_Sync; 1161 strncpy(inq.vendor, gdt->oem_name, sizeof(inq.vendor)); 1162 ksnprintf(inq.product, sizeof(inq.product), 1163 "Host Drive #%02d", t); 1164 strncpy(inq.revision, " ", sizeof(inq.revision)); 1165 bcopy(&inq, ccb->csio.data_ptr, copylen ); 1166 if( ccb->csio.dxfer_len > copylen ) 1167 bzero( ccb->csio.data_ptr+copylen, 1168 ccb->csio.dxfer_len - copylen ); 1169 break; 1170 } 1171 case MODE_SENSE_6: 1172 { 1173 struct mpd_data { 1174 struct scsi_mode_hdr_6 hd; 1175 struct scsi_mode_block_descr bd; 1176 struct scsi_control_page cp; 1177 } mpd; 1178 size_t copylen = MIN(sizeof(mpd), ccb->csio.dxfer_len); 1179 u_int8_t page; 1180 1181 /*mpd = (struct mpd_data *)ccb->csio.data_ptr;*/ 1182 bzero(&mpd, sizeof(mpd)); 1183 mpd.hd.datalen = sizeof(struct scsi_mode_hdr_6) + 1184 sizeof(struct scsi_mode_block_descr); 1185 mpd.hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; 1186 mpd.hd.block_descr_len = sizeof(struct scsi_mode_block_descr); 1187 mpd.bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; 1188 mpd.bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; 1189 mpd.bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); 1190 1191 bcopy(&mpd, ccb->csio.data_ptr, copylen ); 1192 if( ccb->csio.dxfer_len > copylen ) 1193 bzero( ccb->csio.data_ptr+copylen, 1194 ccb->csio.dxfer_len - copylen ); 1195 page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; 1196 switch (page) { 1197 default: 1198 GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); 1199 break; 1200 } 1201 break; 1202 } 1203 case READ_CAPACITY: 1204 { 1205 struct scsi_read_capacity_data rcd; 1206 size_t copylen = MIN(sizeof(rcd), ccb->csio.dxfer_len); 1207 1208 /*rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr;*/ 1209 bzero(&rcd, sizeof(rcd)); 1210 scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd.addr); 1211 scsi_ulto4b(GDT_SECTOR_SIZE, rcd.length); 1212 bcopy(&rcd, ccb->csio.data_ptr, copylen ); 1213 if( ccb->csio.dxfer_len > copylen ) 1214 bzero( ccb->csio.data_ptr+copylen, 1215 ccb->csio.dxfer_len - copylen ); 1216 break; 1217 } 1218 default: 1219 GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", 1220 ccb->csio.cdb_io.cdb_bytes[0])); 1221 break; 1222 } 1223 ccb->ccb_h.status |= CAM_REQ_CMP; 1224 --gdt_stat.io_count_act; 1225 xpt_done(ccb); 1226 } 1227 1228 static void 1229 gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1230 { 1231 bus_addr_t *busaddrp; 1232 1233 busaddrp = (bus_addr_t *)arg; 1234 *busaddrp = dm_segs->ds_addr; 1235 } 1236 1237 static void 1238 gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1239 { 1240 struct gdt_ccb *gccb; 1241 union ccb *ccb; 1242 struct gdt_softc *gdt; 1243 int i; 1244 1245 crit_enter(); 1246 1247 gccb = (struct gdt_ccb *)arg; 1248 ccb = gccb->gc_ccb; 1249 gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); 1250 1251 GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", 1252 gdt, gccb, dm_segs, nseg, error)); 1253 gdt_stat.sg_count_act = nseg; 1254 if (nseg > gdt_stat.sg_count_max) 1255 gdt_stat.sg_count_max = nseg; 1256 1257 /* Copy the segments into our SG list */ 1258 if (gccb->gc_service == GDT_CACHESERVICE) { 1259 for (i = 0; i < nseg; ++i) { 1260 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1261 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1262 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + 1263 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1264 dm_segs++; 1265 } 1266 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1267 nseg); 1268 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 1269 0xffffffffUL); 1270 1271 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + 1272 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1273 } else { 1274 for (i = 0; i < nseg; ++i) { 1275 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1276 i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); 1277 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + 1278 i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); 1279 dm_segs++; 1280 } 1281 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1282 nseg); 1283 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 1284 0xffffffffUL); 1285 1286 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + 1287 nseg * GDT_SG_SZ, sizeof(u_int32_t)); 1288 } 1289 1290 if (nseg != 0) { 1291 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1292 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1293 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1294 } 1295 1296 /* We must NOT abort the command here if CAM_REQ_INPROG is not set, 1297 * because command semaphore is already set! 1298 */ 1299 1300 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1301 /* timeout handling */ 1302 callout_reset(&ccb->ccb_h.timeout_ch, (ccb->ccb_h.timeout * hz) / 1000, 1303 iir_timeout, gccb); 1304 1305 gdt->sc_copy_cmd(gdt, gccb); 1306 crit_exit(); 1307 } 1308 1309 1310 static void 1311 iir_action( struct cam_sim *sim, union ccb *ccb ) 1312 { 1313 struct gdt_softc *gdt; 1314 int bus, target; 1315 #ifdef GDT_DEBUG 1316 int lun; 1317 #endif 1318 1319 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1320 ccb->ccb_h.ccb_sim_ptr = sim; 1321 bus = cam_sim_bus(sim); 1322 target = ccb->ccb_h.target_id; 1323 #ifdef GDT_DEBUG 1324 lun = ccb->ccb_h.target_lun; 1325 #endif 1326 GDT_DPRINTF(GDT_D_CMD, 1327 ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n", 1328 gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0], 1329 bus, target, lun)); 1330 ++gdt_stat.io_count_act; 1331 if (gdt_stat.io_count_act > gdt_stat.io_count_max) 1332 gdt_stat.io_count_max = gdt_stat.io_count_act; 1333 1334 switch (ccb->ccb_h.func_code) { 1335 case XPT_SCSI_IO: 1336 crit_enter(); 1337 TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1338 ++gdt_stat.req_queue_act; 1339 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1340 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1341 crit_exit(); 1342 gdt_next(gdt); 1343 break; 1344 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 1345 case XPT_ABORT: /* Abort the specified CCB */ 1346 /* XXX Implement */ 1347 ccb->ccb_h.status = CAM_REQ_INVALID; 1348 --gdt_stat.io_count_act; 1349 xpt_done(ccb); 1350 break; 1351 case XPT_SET_TRAN_SETTINGS: 1352 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1353 --gdt_stat.io_count_act; 1354 xpt_done(ccb); 1355 break; 1356 case XPT_GET_TRAN_SETTINGS: 1357 /* Get default/user set transfer settings for the target */ 1358 { 1359 struct ccb_trans_settings *cts = &ccb->cts; 1360 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 1361 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 1362 1363 cts->protocol = PROTO_SCSI; 1364 cts->protocol_version = SCSI_REV_2; 1365 cts->transport = XPORT_SPI; 1366 cts->transport_version = 2; 1367 1368 if (cts->type == CTS_TYPE_USER_SETTINGS) { 1369 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 1370 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1371 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 1372 spi->sync_period = 25; /* 10MHz */ 1373 if (spi->sync_period != 0) 1374 spi->sync_offset = 15; 1375 1376 spi->valid = CTS_SPI_VALID_SYNC_RATE 1377 | CTS_SPI_VALID_SYNC_OFFSET 1378 | CTS_SPI_VALID_BUS_WIDTH 1379 | CTS_SPI_VALID_DISC; 1380 scsi->valid = CTS_SCSI_VALID_TQ; 1381 ccb->ccb_h.status = CAM_REQ_CMP; 1382 } else { 1383 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1384 } 1385 --gdt_stat.io_count_act; 1386 xpt_done(ccb); 1387 break; 1388 } 1389 case XPT_CALC_GEOMETRY: 1390 { 1391 struct ccb_calc_geometry *ccg; 1392 u_int32_t secs_per_cylinder; 1393 1394 ccg = &ccb->ccg; 1395 ccg->heads = gdt->sc_hdr[target].hd_heads; 1396 ccg->secs_per_track = gdt->sc_hdr[target].hd_secs; 1397 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1398 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1399 ccb->ccb_h.status = CAM_REQ_CMP; 1400 --gdt_stat.io_count_act; 1401 xpt_done(ccb); 1402 break; 1403 } 1404 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1405 { 1406 /* XXX Implement */ 1407 ccb->ccb_h.status = CAM_REQ_CMP; 1408 --gdt_stat.io_count_act; 1409 xpt_done(ccb); 1410 break; 1411 } 1412 case XPT_TERM_IO: /* Terminate the I/O process */ 1413 /* XXX Implement */ 1414 ccb->ccb_h.status = CAM_REQ_INVALID; 1415 --gdt_stat.io_count_act; 1416 xpt_done(ccb); 1417 break; 1418 case XPT_PATH_INQ: /* Path routing inquiry */ 1419 { 1420 struct ccb_pathinq *cpi = &ccb->cpi; 1421 1422 cpi->version_num = 1; 1423 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 1424 cpi->hba_inquiry |= PI_WIDE_16; 1425 cpi->target_sprt = 1; 1426 cpi->hba_misc = 0; 1427 cpi->hba_eng_cnt = 0; 1428 if (bus == gdt->sc_virt_bus) 1429 cpi->max_target = GDT_MAX_HDRIVES - 1; 1430 else if (gdt->sc_class & GDT_FC) 1431 cpi->max_target = GDT_MAXID_FC - 1; 1432 else 1433 cpi->max_target = GDT_MAXID - 1; 1434 cpi->max_lun = 7; 1435 cpi->unit_number = cam_sim_unit(sim); 1436 cpi->bus_id = bus; 1437 cpi->initiator_id = 1438 (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]); 1439 cpi->base_transfer_speed = 3300; 1440 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1441 if (gdt->sc_vendor == PCI_VENDOR_INTEL) 1442 strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); 1443 else 1444 strncpy(cpi->hba_vid, "ICP vortex ", HBA_IDLEN); 1445 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1446 cpi->transport = XPORT_SPI; 1447 cpi->transport_version = 2; 1448 cpi->protocol = PROTO_SCSI; 1449 cpi->protocol_version = SCSI_REV_2; 1450 cpi->ccb_h.status = CAM_REQ_CMP; 1451 --gdt_stat.io_count_act; 1452 xpt_done(ccb); 1453 break; 1454 } 1455 default: 1456 GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", 1457 gdt, ccb->ccb_h.func_code)); 1458 ccb->ccb_h.status = CAM_REQ_INVALID; 1459 --gdt_stat.io_count_act; 1460 xpt_done(ccb); 1461 break; 1462 } 1463 } 1464 1465 static void 1466 iir_poll( struct cam_sim *sim ) 1467 { 1468 struct gdt_softc *gdt; 1469 1470 gdt = (struct gdt_softc *)cam_sim_softc( sim ); 1471 GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); 1472 iir_intr(gdt); 1473 } 1474 1475 static void 1476 iir_timeout(void *arg) 1477 { 1478 GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", gccb)); 1479 } 1480 1481 static void 1482 iir_shutdown( void *arg, int howto ) 1483 { 1484 struct gdt_softc *gdt; 1485 struct gdt_ccb *gccb; 1486 gdt_ucmd_t *ucmd; 1487 int i; 1488 1489 gdt = (struct gdt_softc *)arg; 1490 GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); 1491 1492 kprintf("iir%d: Flushing all Host Drives. Please wait ... ", 1493 gdt->sc_hanum); 1494 1495 /* allocate ucmd buffer */ 1496 ucmd = kmalloc(sizeof(gdt_ucmd_t), M_GDTBUF, M_INTWAIT | M_ZERO); 1497 1498 /* wait for pending IOs */ 1499 crit_enter(); 1500 gdt->sc_state = GDT_SHUTDOWN; 1501 crit_exit(); 1502 if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) 1503 (void) tsleep((void *)gccb, PCATCH, "iirshw", 100 * hz); 1504 1505 /* flush */ 1506 for (i = 0; i < GDT_MAX_HDRIVES; ++i) { 1507 if (gdt->sc_hdr[i].hd_present) { 1508 ucmd->service = GDT_CACHESERVICE; 1509 ucmd->OpCode = GDT_FLUSH; 1510 ucmd->u.cache.DeviceNo = i; 1511 crit_enter(); 1512 TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); 1513 ucmd->complete_flag = FALSE; 1514 crit_exit(); 1515 gdt_next(gdt); 1516 if (!ucmd->complete_flag) 1517 (void) tsleep((void *)ucmd, PCATCH, "iirshw", 10*hz); 1518 } 1519 } 1520 1521 kfree(ucmd, M_DEVBUF); 1522 kprintf("Done.\n"); 1523 } 1524 1525 void 1526 iir_intr(void *arg) 1527 { 1528 struct gdt_softc *gdt = arg; 1529 struct gdt_intr_ctx ctx; 1530 struct gdt_ccb *gccb; 1531 gdt_ucmd_t *ucmd; 1532 u_int32_t cnt; 1533 1534 GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); 1535 1536 /* If polling and we were not called from gdt_wait, just return */ 1537 if ((gdt->sc_state & GDT_POLLING) && 1538 !(gdt->sc_state & GDT_POLL_WAIT)) 1539 return; 1540 1541 if (!(gdt->sc_state & GDT_POLLING)) 1542 crit_enter(); 1543 gdt_wait_index = 0; 1544 1545 ctx.istatus = gdt->sc_get_status(gdt); 1546 if (ctx.istatus == 0x00) { 1547 if (!(gdt->sc_state & GDT_POLLING)) 1548 crit_exit(); 1549 gdt->sc_status = GDT_S_NO_STATUS; 1550 return; 1551 } 1552 1553 gdt->sc_intr(gdt, &ctx); 1554 1555 gdt->sc_status = ctx.cmd_status; 1556 gdt->sc_service = ctx.service; 1557 gdt->sc_info = ctx.info; 1558 gdt->sc_info2 = ctx.info2; 1559 1560 if (gdt->sc_state & GDT_POLL_WAIT) { 1561 gdt_wait_gdt = gdt; 1562 gdt_wait_index = ctx.istatus; 1563 } 1564 1565 if (ctx.istatus == GDT_ASYNCINDEX) { 1566 gdt_async_event(gdt, ctx.service); 1567 if (!(gdt->sc_state & GDT_POLLING)) 1568 crit_exit(); 1569 return; 1570 } 1571 if (ctx.istatus == GDT_SPEZINDEX) { 1572 GDT_DPRINTF(GDT_D_INVALID, 1573 ("iir%d: Service unknown or not initialized!\n", 1574 gdt->sc_hanum)); 1575 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1576 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1577 gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); 1578 if (!(gdt->sc_state & GDT_POLLING)) 1579 crit_exit(); 1580 return; 1581 } 1582 1583 gccb = &gdt->sc_gccbs[ctx.istatus - 2]; 1584 ctx.service = gccb->gc_service; 1585 1586 switch (gccb->gc_flags) { 1587 case GDT_GCF_UNUSED: 1588 GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", 1589 gdt->sc_hanum, ctx.istatus)); 1590 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); 1591 gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; 1592 gdt->sc_dvr.eu.driver.index = ctx.istatus; 1593 gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); 1594 gdt_free_ccb(gdt, gccb); 1595 /* fallthrough */ 1596 1597 case GDT_GCF_INTERNAL: 1598 if (!(gdt->sc_state & GDT_POLLING)) 1599 crit_exit(); 1600 break; 1601 1602 case GDT_GCF_IOCTL: 1603 ucmd = gccb->gc_ucmd; 1604 if (gdt->sc_status == GDT_S_BSY) { 1605 GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", 1606 gdt, gccb)); 1607 TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); 1608 if (!(gdt->sc_state & GDT_POLLING)) 1609 crit_exit(); 1610 } else { 1611 ucmd->status = gdt->sc_status; 1612 ucmd->info = gdt->sc_info; 1613 ucmd->complete_flag = TRUE; 1614 if (ucmd->service == GDT_CACHESERVICE) { 1615 if (ucmd->OpCode == GDT_IOCTL) { 1616 cnt = ucmd->u.ioctl.param_size; 1617 if (cnt != 0) 1618 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1619 } else { 1620 cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; 1621 if (cnt != 0) 1622 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1623 } 1624 } else { 1625 cnt = ucmd->u.raw.sdlen; 1626 if (cnt != 0) 1627 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1628 if (ucmd->u.raw.sense_len != 0) 1629 bcopy(gccb->gc_scratch, ucmd->data, cnt); 1630 } 1631 gdt_free_ccb(gdt, gccb); 1632 if (!(gdt->sc_state & GDT_POLLING)) 1633 crit_exit(); 1634 /* wakeup */ 1635 wakeup(ucmd); 1636 } 1637 gdt_next(gdt); 1638 break; 1639 1640 default: 1641 gdt_free_ccb(gdt, gccb); 1642 gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); 1643 if (!(gdt->sc_state & GDT_POLLING)) 1644 crit_exit(); 1645 gdt_next(gdt); 1646 break; 1647 } 1648 } 1649 1650 int 1651 gdt_async_event(struct gdt_softc *gdt, int service) 1652 { 1653 struct gdt_ccb *gccb; 1654 1655 GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); 1656 1657 if (service == GDT_SCREENSERVICE) { 1658 if (gdt->sc_status == GDT_MSG_REQUEST) { 1659 while (gdt->sc_test_busy(gdt)) 1660 DELAY(1); 1661 gccb = gdt_get_ccb(gdt); 1662 if (gccb == NULL) { 1663 kprintf("iir%d: No free command index found\n", 1664 gdt->sc_hanum); 1665 return (1); 1666 } 1667 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1668 gccb->gc_service = service; 1669 gccb->gc_flags = GDT_GCF_SCREEN; 1670 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1671 gccb->gc_cmd_index); 1672 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1673 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1674 GDT_MSG_INV_HANDLE); 1675 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1676 gccb->gc_scratch_busbase); 1677 gdt->sc_set_sema0(gdt); 1678 gdt->sc_cmd_off = 0; 1679 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1680 sizeof(u_int32_t)); 1681 gdt->sc_cmd_cnt = 0; 1682 gdt->sc_copy_cmd(gdt, gccb); 1683 kprintf("iir%d: [PCI %d/%d] ", 1684 gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); 1685 gdt->sc_release_event(gdt); 1686 } 1687 1688 } else { 1689 if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { 1690 gdt->sc_dvr.size = 0; 1691 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1692 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1693 /* severity and event_string already set! */ 1694 } else { 1695 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); 1696 gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; 1697 gdt->sc_dvr.eu.async.service = service; 1698 gdt->sc_dvr.eu.async.status = gdt->sc_status; 1699 gdt->sc_dvr.eu.async.info = gdt->sc_info; 1700 *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; 1701 } 1702 gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); 1703 kprintf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); 1704 } 1705 1706 return (0); 1707 } 1708 1709 int 1710 gdt_sync_event(struct gdt_softc *gdt, int service, 1711 u_int8_t index, struct gdt_ccb *gccb) 1712 { 1713 union ccb *ccb; 1714 1715 GDT_DPRINTF(GDT_D_INTR, 1716 ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); 1717 1718 ccb = gccb->gc_ccb; 1719 1720 if (service == GDT_SCREENSERVICE) { 1721 u_int32_t msg_len; 1722 1723 msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); 1724 if (msg_len) 1725 if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1726 gccb->gc_scratch[GDT_SCR_MSG_EXT])) { 1727 gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; 1728 kprintf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); 1729 } 1730 1731 if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && 1732 !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { 1733 while (gdt->sc_test_busy(gdt)) 1734 DELAY(1); 1735 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1736 gccb = gdt_get_ccb(gdt); 1737 if (gccb == NULL) { 1738 kprintf("iir%d: No free command index found\n", 1739 gdt->sc_hanum); 1740 return (1); 1741 } 1742 gccb->gc_service = service; 1743 gccb->gc_flags = GDT_GCF_SCREEN; 1744 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1745 gccb->gc_cmd_index); 1746 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_READ); 1747 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1748 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1749 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1750 gccb->gc_scratch_busbase); 1751 gdt->sc_set_sema0(gdt); 1752 gdt->sc_cmd_off = 0; 1753 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1754 sizeof(u_int32_t)); 1755 gdt->sc_cmd_cnt = 0; 1756 gdt->sc_copy_cmd(gdt, gccb); 1757 gdt->sc_release_event(gdt); 1758 return (0); 1759 } 1760 1761 if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && 1762 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { 1763 /* default answers (getchar() not possible) */ 1764 if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { 1765 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); 1766 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); 1767 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; 1768 } else { 1769 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 1770 gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); 1771 gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); 1772 gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; 1773 gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; 1774 } 1775 gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; 1776 gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; 1777 while (gdt->sc_test_busy(gdt)) 1778 DELAY(1); 1779 bzero(gccb->gc_cmd, GDT_CMD_SZ); 1780 gccb = gdt_get_ccb(gdt); 1781 if (gccb == NULL) { 1782 kprintf("iir%d: No free command index found\n", 1783 gdt->sc_hanum); 1784 return (1); 1785 } 1786 gccb->gc_service = service; 1787 gccb->gc_flags = GDT_GCF_SCREEN; 1788 gdt_enc32(gccb->gc_cmd + GDT_CMD_COMMANDINDEX, 1789 gccb->gc_cmd_index); 1790 gdt_enc16(gccb->gc_cmd + GDT_CMD_OPCODE, GDT_WRITE); 1791 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, 1792 gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); 1793 gdt_enc32(gccb->gc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, 1794 gccb->gc_scratch_busbase); 1795 gdt->sc_set_sema0(gdt); 1796 gdt->sc_cmd_off = 0; 1797 gccb->gc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, 1798 sizeof(u_int32_t)); 1799 gdt->sc_cmd_cnt = 0; 1800 gdt->sc_copy_cmd(gdt, gccb); 1801 gdt->sc_release_event(gdt); 1802 return (0); 1803 } 1804 kprintf("\n"); 1805 return (0); 1806 } else { 1807 callout_stop(&ccb->ccb_h.timeout_ch); 1808 if (gdt->sc_status == GDT_S_BSY) { 1809 GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", 1810 gdt, gccb)); 1811 TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); 1812 ++gdt_stat.req_queue_act; 1813 if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) 1814 gdt_stat.req_queue_max = gdt_stat.req_queue_act; 1815 return (2); 1816 } 1817 1818 bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, 1819 (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? 1820 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1821 bus_dmamap_unload(gdt->sc_buffer_dmat, gccb->gc_dmamap); 1822 1823 ccb->csio.resid = 0; 1824 if (gdt->sc_status == GDT_S_OK) { 1825 ccb->ccb_h.status |= CAM_REQ_CMP; 1826 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1827 } else { 1828 /* error */ 1829 if (gccb->gc_service == GDT_CACHESERVICE) { 1830 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; 1831 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1832 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1833 bzero(&ccb->csio.sense_data, ccb->csio.sense_len); 1834 ccb->csio.sense_data.error_code = 1835 SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; 1836 ccb->csio.sense_data.flags = SSD_KEY_NOT_READY; 1837 1838 gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); 1839 gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; 1840 gdt->sc_dvr.eu.sync.service = service; 1841 gdt->sc_dvr.eu.sync.status = gdt->sc_status; 1842 gdt->sc_dvr.eu.sync.info = gdt->sc_info; 1843 gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; 1844 if (gdt->sc_status >= 0x8000) 1845 gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); 1846 else 1847 gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); 1848 } else { 1849 /* raw service */ 1850 if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { 1851 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1852 } else { 1853 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; 1854 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1855 ccb->csio.scsi_status = gdt->sc_info; 1856 bcopy(gccb->gc_scratch, &ccb->csio.sense_data, 1857 ccb->csio.sense_len); 1858 } 1859 } 1860 } 1861 --gdt_stat.io_count_act; 1862 xpt_done(ccb); 1863 } 1864 return (0); 1865 } 1866 1867 /* Controller event handling functions */ 1868 gdt_evt_str * 1869 gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt) 1870 { 1871 gdt_evt_str *e; 1872 struct timeval tv; 1873 1874 GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); 1875 if (source == 0) /* no source -> no event */ 1876 return 0; 1877 1878 if (ebuffer[elastidx].event_source == source && 1879 ebuffer[elastidx].event_idx == idx && 1880 ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && 1881 !memcmp((char *)&ebuffer[elastidx].event_data.eu, 1882 (char *)&evt->eu, evt->size)) || 1883 (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && 1884 !strcmp((char *)&ebuffer[elastidx].event_data.event_string, 1885 (char *)&evt->event_string)))) { 1886 e = &ebuffer[elastidx]; 1887 getmicrotime(&tv); 1888 e->last_stamp = tv.tv_sec; 1889 ++e->same_count; 1890 } else { 1891 if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ 1892 ++elastidx; 1893 if (elastidx == GDT_MAX_EVENTS) 1894 elastidx = 0; 1895 if (elastidx == eoldidx) { /* reached mark ? */ 1896 ++eoldidx; 1897 if (eoldidx == GDT_MAX_EVENTS) 1898 eoldidx = 0; 1899 } 1900 } 1901 e = &ebuffer[elastidx]; 1902 e->event_source = source; 1903 e->event_idx = idx; 1904 getmicrotime(&tv); 1905 e->first_stamp = e->last_stamp = tv.tv_sec; 1906 e->same_count = 1; 1907 e->event_data = *evt; 1908 e->application = 0; 1909 } 1910 return e; 1911 } 1912 1913 int 1914 gdt_read_event(int handle, gdt_evt_str *estr) 1915 { 1916 gdt_evt_str *e; 1917 int eindex; 1918 1919 GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); 1920 crit_enter(); 1921 if (handle == -1) 1922 eindex = eoldidx; 1923 else 1924 eindex = handle; 1925 estr->event_source = 0; 1926 1927 if (eindex >= GDT_MAX_EVENTS) { 1928 crit_exit(); 1929 return eindex; 1930 } 1931 e = &ebuffer[eindex]; 1932 if (e->event_source != 0) { 1933 if (eindex != elastidx) { 1934 if (++eindex == GDT_MAX_EVENTS) 1935 eindex = 0; 1936 } else { 1937 eindex = -1; 1938 } 1939 memcpy(estr, e, sizeof(gdt_evt_str)); 1940 } 1941 crit_exit(); 1942 return eindex; 1943 } 1944 1945 void 1946 gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) 1947 { 1948 gdt_evt_str *e; 1949 int found = FALSE; 1950 int eindex; 1951 1952 GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); 1953 crit_enter(); 1954 eindex = eoldidx; 1955 for (;;) { 1956 e = &ebuffer[eindex]; 1957 if (e->event_source == 0) 1958 break; 1959 if ((e->application & application) == 0) { 1960 e->application |= application; 1961 found = TRUE; 1962 break; 1963 } 1964 if (eindex == elastidx) 1965 break; 1966 if (++eindex == GDT_MAX_EVENTS) 1967 eindex = 0; 1968 } 1969 if (found) 1970 memcpy(estr, e, sizeof(gdt_evt_str)); 1971 else 1972 estr->event_source = 0; 1973 crit_exit(); 1974 } 1975 1976 void 1977 gdt_clear_events(void) 1978 { 1979 GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); 1980 1981 eoldidx = elastidx = 0; 1982 ebuffer[0].event_source = 0; 1983 }
Cache object: 4293211d63f90df5f80702badcc6582e
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]