| 1 | /* |
| 2 | * Bus independent FreeBSD shim for the aic79xx based Adaptec SCSI controllers |
| 3 | * |
| 4 | * Copyright (c) 1994-2002, 2004 Justin T. Gibbs. |
| 5 | * Copyright (c) 2001-2002 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. |
| 14 | * 2. The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
| 16 | * |
| 17 | * Alternatively, this software may be distributed under the terms of the |
| 18 | * GNU Public License ("GPL"). |
| 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 | * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.c#35 $ |
| 33 | * |
| 34 | * $FreeBSD: src/sys/dev/aic7xxx/aic79xx_osm.c,v 1.23 2005/12/04 02:12:40 ru Exp $ |
| 35 | * $DragonFly: src/sys/dev/disk/aic7xxx/aic79xx_osm.c,v 1.22 2008/02/09 18:13:13 pavalos Exp $ |
| 36 | */ |
| 37 | |
| 38 | #include "aic79xx_osm.h" |
| 39 | #include "aic79xx_inline.h" |
| 40 | |
| 41 | #include <sys/kthread.h> |
| 42 | |
| 43 | #include "opt_ddb.h" |
| 44 | #ifdef DDB |
| 45 | #include <ddb/ddb.h> |
| 46 | #endif |
| 47 | |
| 48 | #ifndef AHD_TMODE_ENABLE |
| 49 | #define AHD_TMODE_ENABLE 0 |
| 50 | #endif |
| 51 | |
| 52 | #include "aic_osm_lib.c" |
| 53 | |
| 54 | #define ccb_scb_ptr spriv_ptr0 |
| 55 | |
| 56 | #if 0 |
| 57 | static void ahd_dump_targcmd(struct target_cmd *cmd); |
| 58 | #endif |
| 59 | static int ahd_modevent(module_t mod, int type, void *data); |
| 60 | static void ahd_action(struct cam_sim *sim, union ccb *ccb); |
| 61 | static void ahd_set_tran_settings(struct ahd_softc *ahd, |
| 62 | int our_id, char channel, |
| 63 | struct ccb_trans_settings *cts); |
| 64 | static void ahd_get_tran_settings(struct ahd_softc *ahd, |
| 65 | int our_id, char channel, |
| 66 | struct ccb_trans_settings *cts); |
| 67 | static void ahd_async(void *callback_arg, uint32_t code, |
| 68 | struct cam_path *path, void *arg); |
| 69 | static void ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, |
| 70 | int nsegments, int error); |
| 71 | static void ahd_poll(struct cam_sim *sim); |
| 72 | static void ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim, |
| 73 | struct ccb_scsiio *csio, struct scb *scb); |
| 74 | static void ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, |
| 75 | union ccb *ccb); |
| 76 | static int ahd_create_path(struct ahd_softc *ahd, |
| 77 | char channel, u_int target, u_int lun, |
| 78 | struct cam_path **path); |
| 79 | |
| 80 | static int |
| 81 | ahd_create_path(struct ahd_softc *ahd, char channel, u_int target, |
| 82 | u_int lun, struct cam_path **path) |
| 83 | { |
| 84 | path_id_t path_id; |
| 85 | |
| 86 | path_id = cam_sim_path(ahd->platform_data->sim); |
| 87 | return (xpt_create_path(path, /*periph*/NULL, |
| 88 | path_id, target, lun)); |
| 89 | } |
| 90 | |
| 91 | int |
| 92 | ahd_map_int(struct ahd_softc *ahd) |
| 93 | { |
| 94 | int error; |
| 95 | |
| 96 | /* Hook up our interrupt handler */ |
| 97 | error = bus_setup_intr(ahd->dev_softc, ahd->platform_data->irq, |
| 98 | INTR_MPSAFE, ahd_platform_intr, ahd, |
| 99 | &ahd->platform_data->ih, NULL); |
| 100 | if (error != 0) |
| 101 | device_printf(ahd->dev_softc, "bus_setup_intr() failed: %d\n", |
| 102 | error); |
| 103 | return (error); |
| 104 | } |
| 105 | |
| 106 | /* |
| 107 | * Attach all the sub-devices we can find |
| 108 | */ |
| 109 | int |
| 110 | ahd_attach(struct ahd_softc *ahd) |
| 111 | { |
| 112 | char ahd_info[256]; |
| 113 | struct ccb_setasync csa; |
| 114 | struct cam_sim *sim; |
| 115 | struct cam_path *path; |
| 116 | int count; |
| 117 | |
| 118 | count = 0; |
| 119 | sim = NULL; |
| 120 | |
| 121 | /* |
| 122 | * Create a thread to perform all recovery. |
| 123 | */ |
| 124 | if (ahd_spawn_recovery_thread(ahd) != 0) |
| 125 | goto fail; |
| 126 | |
| 127 | ahd_controller_info(ahd, ahd_info); |
| 128 | kprintf("%s\n", ahd_info); |
| 129 | ahd_lock(ahd); |
| 130 | |
| 131 | /* |
| 132 | * Construct our SIM entry |
| 133 | */ |
| 134 | sim = cam_sim_alloc(ahd_action, ahd_poll, "ahd", ahd, |
| 135 | device_get_unit(ahd->dev_softc), |
| 136 | 1, AHD_MAX_QUEUE, NULL); |
| 137 | if (sim == NULL) |
| 138 | goto fail; |
| 139 | |
| 140 | if (xpt_bus_register(sim, /*bus_id*/0) != CAM_SUCCESS) { |
| 141 | cam_sim_free(sim); |
| 142 | sim = NULL; |
| 143 | goto fail; |
| 144 | } |
| 145 | |
| 146 | if (xpt_create_path(&path, /*periph*/NULL, |
| 147 | cam_sim_path(sim), CAM_TARGET_WILDCARD, |
| 148 | CAM_LUN_WILDCARD) != CAM_REQ_CMP) { |
| 149 | xpt_bus_deregister(cam_sim_path(sim)); |
| 150 | cam_sim_free(sim); |
| 151 | sim = NULL; |
| 152 | goto fail; |
| 153 | } |
| 154 | |
| 155 | xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); |
| 156 | csa.ccb_h.func_code = XPT_SASYNC_CB; |
| 157 | csa.event_enable = AC_LOST_DEVICE; |
| 158 | csa.callback = ahd_async; |
| 159 | csa.callback_arg = sim; |
| 160 | xpt_action((union ccb *)&csa); |
| 161 | count++; |
| 162 | |
| 163 | fail: |
| 164 | ahd->platform_data->sim = sim; |
| 165 | ahd->platform_data->path = path; |
| 166 | ahd_unlock(ahd); |
| 167 | if (count != 0) { |
| 168 | /* We have to wait until after any system dumps... */ |
| 169 | ahd->platform_data->eh = |
| 170 | EVENTHANDLER_REGISTER(shutdown_post_sync, ahd_shutdown, |
| 171 | ahd, SHUTDOWN_PRI_DRIVER); |
| 172 | ahd_intr_enable(ahd, TRUE); |
| 173 | } |
| 174 | |
| 175 | return (count); |
| 176 | } |
| 177 | |
| 178 | /* |
| 179 | * Catch an interrupt from the adapter |
| 180 | */ |
| 181 | void |
| 182 | ahd_platform_intr(void *arg) |
| 183 | { |
| 184 | struct ahd_softc *ahd; |
| 185 | |
| 186 | ahd = (struct ahd_softc *)arg; |
| 187 | ahd_lock(ahd); |
| 188 | ahd_intr(ahd); |
| 189 | ahd_unlock(ahd); |
| 190 | } |
| 191 | |
| 192 | /* |
| 193 | * We have an scb which has been processed by the |
| 194 | * adaptor, now we look to see how the operation |
| 195 | * went. |
| 196 | */ |
| 197 | void |
| 198 | ahd_done(struct ahd_softc *ahd, struct scb *scb) |
| 199 | { |
| 200 | union ccb *ccb; |
| 201 | |
| 202 | CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, |
| 203 | ("ahd_done - scb %d\n", SCB_GET_TAG(scb))); |
| 204 | |
| 205 | ccb = scb->io_ctx; |
| 206 | LIST_REMOVE(scb, pending_links); |
| 207 | if ((scb->flags & SCB_TIMEDOUT) != 0) |
| 208 | LIST_REMOVE(scb, timedout_links); |
| 209 | |
| 210 | callout_stop(&scb->io_timer); |
| 211 | |
| 212 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { |
| 213 | bus_dmasync_op_t op; |
| 214 | |
| 215 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) |
| 216 | op = BUS_DMASYNC_POSTREAD; |
| 217 | else |
| 218 | op = BUS_DMASYNC_POSTWRITE; |
| 219 | bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op); |
| 220 | bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); |
| 221 | } |
| 222 | |
| 223 | #ifdef AHD_TARGET_MODE |
| 224 | if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { |
| 225 | struct cam_path *ccb_path; |
| 226 | |
| 227 | /* |
| 228 | * If we have finally disconnected, clean up our |
| 229 | * pending device state. |
| 230 | * XXX - There may be error states that cause where |
| 231 | * we will remain connected. |
| 232 | */ |
| 233 | ccb_path = ccb->ccb_h.path; |
| 234 | if (ahd->pending_device != NULL |
| 235 | && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) { |
| 236 | |
| 237 | if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { |
| 238 | ahd->pending_device = NULL; |
| 239 | } else { |
| 240 | xpt_print_path(ccb->ccb_h.path); |
| 241 | kprintf("Still disconnected\n"); |
| 242 | ahd_freeze_ccb(ccb); |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) |
| 247 | ccb->ccb_h.status |= CAM_REQ_CMP; |
| 248 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; |
| 249 | ahd_free_scb(ahd, scb); |
| 250 | xpt_done(ccb); |
| 251 | return; |
| 252 | } |
| 253 | #endif |
| 254 | |
| 255 | if ((scb->flags & SCB_RECOVERY_SCB) != 0) { |
| 256 | struct scb *list_scb; |
| 257 | |
| 258 | ahd->scb_data.recovery_scbs--; |
| 259 | |
| 260 | if (aic_get_transaction_status(scb) == CAM_BDR_SENT |
| 261 | || aic_get_transaction_status(scb) == CAM_REQ_ABORTED) |
| 262 | aic_set_transaction_status(scb, CAM_CMD_TIMEOUT); |
| 263 | |
| 264 | if (ahd->scb_data.recovery_scbs == 0) { |
| 265 | /* |
| 266 | * All recovery actions have completed successfully, |
| 267 | * so reinstate the timeouts for all other pending |
| 268 | * commands. |
| 269 | */ |
| 270 | LIST_FOREACH(list_scb, |
| 271 | &ahd->pending_scbs, pending_links) { |
| 272 | |
| 273 | aic_scb_timer_reset(list_scb, |
| 274 | aic_get_timeout(scb)); |
| 275 | } |
| 276 | |
| 277 | ahd_print_path(ahd, scb); |
| 278 | kprintf("no longer in timeout, status = %x\n", |
| 279 | ccb->ccb_h.status); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | /* Don't clobber any existing error state */ |
| 284 | if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) { |
| 285 | ccb->ccb_h.status |= CAM_REQ_CMP; |
| 286 | } else if ((scb->flags & SCB_SENSE) != 0) { |
| 287 | /* |
| 288 | * We performed autosense retrieval. |
| 289 | * |
| 290 | * Zero any sense not transferred by the |
| 291 | * device. The SCSI spec mandates that any |
| 292 | * untransfered data should be assumed to be |
| 293 | * zero. Complete the 'bounce' of sense information |
| 294 | * through buffers accessible via bus-space by |
| 295 | * copying it into the clients csio. |
| 296 | */ |
| 297 | memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); |
| 298 | memcpy(&ccb->csio.sense_data, |
| 299 | ahd_get_sense_buf(ahd, scb), |
| 300 | /* XXX What size do we want to use??? */ |
| 301 | sizeof(ccb->csio.sense_data) |
| 302 | - ccb->csio.sense_resid); |
| 303 | scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; |
| 304 | } else if ((scb->flags & SCB_PKT_SENSE) != 0) { |
| 305 | struct scsi_status_iu_header *siu; |
| 306 | u_int sense_len; |
| 307 | int i; |
| 308 | |
| 309 | /* |
| 310 | * Copy only the sense data into the provided buffer. |
| 311 | */ |
| 312 | siu = (struct scsi_status_iu_header *)scb->sense_data; |
| 313 | sense_len = MIN(scsi_4btoul(siu->sense_length), |
| 314 | sizeof(ccb->csio.sense_data)); |
| 315 | memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); |
| 316 | memcpy(&ccb->csio.sense_data, |
| 317 | ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu), |
| 318 | sense_len); |
| 319 | kprintf("Copied %d bytes of sense data offset %d:", sense_len, |
| 320 | SIU_SENSE_OFFSET(siu)); |
| 321 | for (i = 0; i < sense_len; i++) |
| 322 | kprintf(" 0x%x", ((uint8_t *)&ccb->csio.sense_data)[i]); |
| 323 | kprintf("\n"); |
| 324 | scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; |
| 325 | } |
| 326 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; |
| 327 | ahd_free_scb(ahd, scb); |
| 328 | xpt_done(ccb); |
| 329 | } |
| 330 | |
| 331 | static void |
| 332 | ahd_action(struct cam_sim *sim, union ccb *ccb) |
| 333 | { |
| 334 | struct ahd_softc *ahd; |
| 335 | #ifdef AHD_TARGET_MODE |
| 336 | struct ahd_tmode_lstate *lstate; |
| 337 | #endif |
| 338 | u_int target_id; |
| 339 | u_int our_id; |
| 340 | |
| 341 | CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n")); |
| 342 | |
| 343 | ahd = (struct ahd_softc *)cam_sim_softc(sim); |
| 344 | |
| 345 | target_id = ccb->ccb_h.target_id; |
| 346 | our_id = SIM_SCSI_ID(ahd, sim); |
| 347 | |
| 348 | switch (ccb->ccb_h.func_code) { |
| 349 | /* Common cases first */ |
| 350 | #ifdef AHD_TARGET_MODE |
| 351 | case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ |
| 352 | case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ |
| 353 | { |
| 354 | struct ahd_tmode_tstate *tstate; |
| 355 | cam_status status; |
| 356 | |
| 357 | status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, |
| 358 | &lstate, TRUE); |
| 359 | |
| 360 | if (status != CAM_REQ_CMP) { |
| 361 | if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { |
| 362 | /* Response from the black hole device */ |
| 363 | tstate = NULL; |
| 364 | lstate = ahd->black_hole; |
| 365 | } else { |
| 366 | ccb->ccb_h.status = status; |
| 367 | xpt_done(ccb); |
| 368 | break; |
| 369 | } |
| 370 | } |
| 371 | if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { |
| 372 | |
| 373 | SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, |
| 374 | sim_links.sle); |
| 375 | ccb->ccb_h.status = CAM_REQ_INPROG; |
| 376 | if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0) |
| 377 | ahd_run_tqinfifo(ahd, /*paused*/FALSE); |
| 378 | break; |
| 379 | } |
| 380 | |
| 381 | /* |
| 382 | * The target_id represents the target we attempt to |
| 383 | * select. In target mode, this is the initiator of |
| 384 | * the original command. |
| 385 | */ |
| 386 | our_id = target_id; |
| 387 | target_id = ccb->csio.init_id; |
| 388 | /* FALLTHROUGH */ |
| 389 | } |
| 390 | #endif |
| 391 | case XPT_SCSI_IO: /* Execute the requested I/O operation */ |
| 392 | case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ |
| 393 | { |
| 394 | struct scb *scb; |
| 395 | struct hardware_scb *hscb; |
| 396 | struct ahd_initiator_tinfo *tinfo; |
| 397 | struct ahd_tmode_tstate *tstate; |
| 398 | u_int col_idx; |
| 399 | |
| 400 | if ((ahd->flags & AHD_INITIATORROLE) == 0 |
| 401 | && (ccb->ccb_h.func_code == XPT_SCSI_IO |
| 402 | || ccb->ccb_h.func_code == XPT_RESET_DEV)) { |
| 403 | ccb->ccb_h.status = CAM_PROVIDE_FAIL; |
| 404 | xpt_done(ccb); |
| 405 | return; |
| 406 | } |
| 407 | |
| 408 | /* |
| 409 | * get an scb to use. |
| 410 | */ |
| 411 | tinfo = ahd_fetch_transinfo(ahd, 'A', our_id, |
| 412 | target_id, &tstate); |
| 413 | if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0 |
| 414 | || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0 |
| 415 | || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { |
| 416 | col_idx = AHD_NEVER_COL_IDX; |
| 417 | } else { |
| 418 | col_idx = AHD_BUILD_COL_IDX(target_id, |
| 419 | ccb->ccb_h.target_lun); |
| 420 | } |
| 421 | if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) { |
| 422 | |
| 423 | xpt_freeze_simq(sim, /*count*/1); |
| 424 | ahd->flags |= AHD_RESOURCE_SHORTAGE; |
| 425 | ccb->ccb_h.status = CAM_REQUEUE_REQ; |
| 426 | xpt_done(ccb); |
| 427 | return; |
| 428 | } |
| 429 | |
| 430 | hscb = scb->hscb; |
| 431 | |
| 432 | CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, |
| 433 | ("start scb(%p)\n", scb)); |
| 434 | scb->io_ctx = ccb; |
| 435 | /* |
| 436 | * So we can find the SCB when an abort is requested |
| 437 | */ |
| 438 | ccb->ccb_h.ccb_scb_ptr = scb; |
| 439 | |
| 440 | /* |
| 441 | * Put all the arguments for the xfer in the scb |
| 442 | */ |
| 443 | hscb->control = 0; |
| 444 | hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id); |
| 445 | hscb->lun = ccb->ccb_h.target_lun; |
| 446 | if (ccb->ccb_h.func_code == XPT_RESET_DEV) { |
| 447 | hscb->cdb_len = 0; |
| 448 | scb->flags |= SCB_DEVICE_RESET; |
| 449 | hscb->control |= MK_MESSAGE; |
| 450 | hscb->task_management = SIU_TASKMGMT_LUN_RESET; |
| 451 | ahd_execute_scb(scb, NULL, 0, 0); |
| 452 | } else { |
| 453 | #ifdef AHD_TARGET_MODE |
| 454 | if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { |
| 455 | struct target_data *tdata; |
| 456 | |
| 457 | tdata = &hscb->shared_data.tdata; |
| 458 | if (ahd->pending_device == lstate) |
| 459 | scb->flags |= SCB_TARGET_IMMEDIATE; |
| 460 | hscb->control |= TARGET_SCB; |
| 461 | tdata->target_phases = 0; |
| 462 | if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { |
| 463 | tdata->target_phases |= SPHASE_PENDING; |
| 464 | tdata->scsi_status = |
| 465 | ccb->csio.scsi_status; |
| 466 | } |
| 467 | if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) |
| 468 | tdata->target_phases |= NO_DISCONNECT; |
| 469 | |
| 470 | tdata->initiator_tag = |
| 471 | ahd_htole16(ccb->csio.tag_id); |
| 472 | } |
| 473 | #endif |
| 474 | hscb->task_management = 0; |
| 475 | if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) |
| 476 | hscb->control |= ccb->csio.tag_action; |
| 477 | |
| 478 | ahd_setup_data(ahd, sim, &ccb->csio, scb); |
| 479 | } |
| 480 | break; |
| 481 | } |
| 482 | #ifdef AHD_TARGET_MODE |
| 483 | case XPT_NOTIFY_ACK: |
| 484 | case XPT_IMMED_NOTIFY: |
| 485 | { |
| 486 | struct ahd_tmode_tstate *tstate; |
| 487 | struct ahd_tmode_lstate *lstate; |
| 488 | cam_status status; |
| 489 | |
| 490 | status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, |
| 491 | &lstate, TRUE); |
| 492 | |
| 493 | if (status != CAM_REQ_CMP) { |
| 494 | ccb->ccb_h.status = status; |
| 495 | xpt_done(ccb); |
| 496 | break; |
| 497 | } |
| 498 | SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, |
| 499 | sim_links.sle); |
| 500 | ccb->ccb_h.status = CAM_REQ_INPROG; |
| 501 | ahd_send_lstate_events(ahd, lstate); |
| 502 | break; |
| 503 | } |
| 504 | case XPT_EN_LUN: /* Enable LUN as a target */ |
| 505 | ahd_handle_en_lun(ahd, sim, ccb); |
| 506 | xpt_done(ccb); |
| 507 | break; |
| 508 | #endif |
| 509 | case XPT_ABORT: /* Abort the specified CCB */ |
| 510 | { |
| 511 | ahd_abort_ccb(ahd, sim, ccb); |
| 512 | break; |
| 513 | } |
| 514 | case XPT_SET_TRAN_SETTINGS: |
| 515 | { |
| 516 | ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), |
| 517 | SIM_CHANNEL(ahd, sim), &ccb->cts); |
| 518 | xpt_done(ccb); |
| 519 | break; |
| 520 | } |
| 521 | case XPT_GET_TRAN_SETTINGS: |
| 522 | /* Get default/user set transfer settings for the target */ |
| 523 | { |
| 524 | ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), |
| 525 | SIM_CHANNEL(ahd, sim), &ccb->cts); |
| 526 | xpt_done(ccb); |
| 527 | break; |
| 528 | } |
| 529 | case XPT_CALC_GEOMETRY: |
| 530 | { |
| 531 | cam_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A); |
| 532 | xpt_done(ccb); |
| 533 | break; |
| 534 | } |
| 535 | case XPT_RESET_BUS: /* Reset the specified SCSI bus */ |
| 536 | { |
| 537 | int found; |
| 538 | |
| 539 | found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim), |
| 540 | /*initiate reset*/TRUE); |
| 541 | if (bootverbose) { |
| 542 | xpt_print_path(SIM_PATH(ahd, sim)); |
| 543 | kprintf("SCSI bus reset delivered. " |
| 544 | "%d SCBs aborted.\n", found); |
| 545 | } |
| 546 | ccb->ccb_h.status = CAM_REQ_CMP; |
| 547 | xpt_done(ccb); |
| 548 | break; |
| 549 | } |
| 550 | case XPT_TERM_IO: /* Terminate the I/O process */ |
| 551 | /* XXX Implement */ |
| 552 | ccb->ccb_h.status = CAM_REQ_INVALID; |
| 553 | xpt_done(ccb); |
| 554 | break; |
| 555 | case XPT_PATH_INQ: /* Path routing inquiry */ |
| 556 | { |
| 557 | struct ccb_pathinq *cpi = &ccb->cpi; |
| 558 | |
| 559 | cpi->version_num = 1; /* XXX??? */ |
| 560 | cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; |
| 561 | if ((ahd->features & AHD_WIDE) != 0) |
| 562 | cpi->hba_inquiry |= PI_WIDE_16; |
| 563 | if ((ahd->features & AHD_TARGETMODE) != 0) { |
| 564 | cpi->target_sprt = PIT_PROCESSOR |
| 565 | | PIT_DISCONNECT |
| 566 | | PIT_TERM_IO; |
| 567 | } else { |
| 568 | cpi->target_sprt = 0; |
| 569 | } |
| 570 | cpi->hba_misc = 0; |
| 571 | cpi->hba_eng_cnt = 0; |
| 572 | cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7; |
| 573 | cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1; |
| 574 | cpi->initiator_id = ahd->our_id; |
| 575 | if ((ahd->flags & AHD_RESET_BUS_A) == 0) { |
| 576 | cpi->hba_misc |= PIM_NOBUSRESET; |
| 577 | } |
| 578 | cpi->bus_id = cam_sim_bus(sim); |
| 579 | cpi->base_transfer_speed = 3300; |
| 580 | strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); |
| 581 | strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); |
| 582 | strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); |
| 583 | cpi->unit_number = cam_sim_unit(sim); |
| 584 | #ifdef AHD_NEW_TRAN_SETTINGS |
| 585 | cpi->protocol = PROTO_SCSI; |
| 586 | cpi->protocol_version = SCSI_REV_2; |
| 587 | cpi->transport = XPORT_SPI; |
| 588 | cpi->transport_version = 2; |
| 589 | cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST; |
| 590 | cpi->transport_version = 4; |
| 591 | cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST; |
| 592 | #endif |
| 593 | cpi->ccb_h.status = CAM_REQ_CMP; |
| 594 | xpt_done(ccb); |
| 595 | break; |
| 596 | } |
| 597 | default: |
| 598 | ccb->ccb_h.status = CAM_PROVIDE_FAIL; |
| 599 | xpt_done(ccb); |
| 600 | break; |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | |
| 605 | static void |
| 606 | ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel, |
| 607 | struct ccb_trans_settings *cts) |
| 608 | { |
| 609 | #ifdef AHD_NEW_TRAN_SETTINGS |
| 610 | struct ahd_devinfo devinfo; |
| 611 | struct ccb_trans_settings_scsi *scsi; |
| 612 | struct ccb_trans_settings_spi *spi; |
| 613 | struct ahd_initiator_tinfo *tinfo; |
| 614 | struct ahd_tmode_tstate *tstate; |
| 615 | uint16_t *discenable; |
| 616 | uint16_t *tagenable; |
| 617 | u_int update_type; |
| 618 | |
| 619 | scsi = &cts->proto_specific.scsi; |
| 620 | spi = &cts->xport_specific.spi; |
| 621 | ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), |
| 622 | cts->ccb_h.target_id, |
| 623 | cts->ccb_h.target_lun, |
| 624 | SIM_CHANNEL(ahd, sim), |
| 625 | ROLE_UNKNOWN); |
| 626 | tinfo = ahd_fetch_transinfo(ahd, devinfo.channel, |
| 627 | devinfo.our_scsiid, |
| 628 | devinfo.target, &tstate); |
| 629 | update_type = 0; |
| 630 | if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { |
| 631 | update_type |= AHD_TRANS_GOAL; |
| 632 | discenable = &tstate->discenable; |
| 633 | tagenable = &tstate->tagenable; |
| 634 | tinfo->curr.protocol_version = cts->protocol_version; |
| 635 | tinfo->curr.transport_version = cts->transport_version; |
| 636 | tinfo->goal.protocol_version = cts->protocol_version; |
| 637 | tinfo->goal.transport_version = cts->transport_version; |
| 638 | } else if (cts->type == CTS_TYPE_USER_SETTINGS) { |
| 639 | update_type |= AHD_TRANS_USER; |
| 640 | discenable = &ahd->user_discenable; |
| 641 | tagenable = &ahd->user_tagenable; |
| 642 | tinfo->user.protocol_version = cts->protocol_version; |
| 643 | tinfo->user.transport_version = cts->transport_version; |
| 644 | } else { |
| 645 | cts->ccb_h.status = CAM_REQ_INVALID; |
| 646 | return; |
| 647 | } |
| 648 | |
| 649 | if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { |
| 650 | if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) |
| 651 | *discenable |= devinfo.target_mask; |
| 652 | else |
| 653 | *discenable &= ~devinfo.target_mask; |
| 654 | } |
| 655 | |
| 656 | if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { |
| 657 | if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) |
| 658 | *tagenable |= devinfo.target_mask; |
| 659 | else |
| 660 | *tagenable &= ~devinfo.target_mask; |
| 661 | } |
| 662 | |
| 663 | if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { |
| 664 | ahd_validate_width(ahd, /*tinfo limit*/NULL, |
| 665 | &spi->bus_width, ROLE_UNKNOWN); |
| 666 | ahd_set_width(ahd, &devinfo, spi->bus_width, |
| 667 | update_type, /*paused*/FALSE); |
| 668 | } |
| 669 | |
| 670 | if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { |
| 671 | if (update_type == AHD_TRANS_USER) |
| 672 | spi->ppr_options = tinfo->user.ppr_options; |
| 673 | else |
| 674 | spi->ppr_options = tinfo->goal.ppr_options; |
| 675 | } |
| 676 | |
| 677 | if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { |
| 678 | if (update_type == AHD_TRANS_USER) |
| 679 | spi->sync_offset = tinfo->user.offset; |
| 680 | else |
| 681 | spi->sync_offset = tinfo->goal.offset; |
| 682 | } |
| 683 | |
| 684 | if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { |
| 685 | if (update_type == AHD_TRANS_USER) |
| 686 | spi->sync_period = tinfo->user.period; |
| 687 | else |
| 688 | spi->sync_period = tinfo->goal.period; |
| 689 | } |
| 690 | |
| 691 | if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) |
| 692 | || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { |
| 693 | u_int maxsync; |
| 694 | |
| 695 | maxsync = AHD_SYNCRATE_MAX; |
| 696 | |
| 697 | if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT) |
| 698 | spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; |
| 699 | |
| 700 | if ((*discenable & devinfo.target_mask) == 0) |
| 701 | spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; |
| 702 | |
| 703 | ahd_find_syncrate(ahd, &spi->sync_period, |
| 704 | &spi->ppr_options, maxsync); |
| 705 | ahd_validate_offset(ahd, /*tinfo limit*/NULL, |
| 706 | spi->sync_period, &spi->sync_offset, |
| 707 | spi->bus_width, ROLE_UNKNOWN); |
| 708 | |
| 709 | /* We use a period of 0 to represent async */ |
| 710 | if (spi->sync_offset == 0) { |
| 711 | spi->sync_period = 0; |
| 712 | spi->ppr_options = 0; |
| 713 | } |
| 714 | |
| 715 | ahd_set_syncrate(ahd, &devinfo, spi->sync_period, |
| 716 | spi->sync_offset, spi->ppr_options, |
| 717 | update_type, /*paused*/FALSE); |
| 718 | } |
| 719 | cts->ccb_h.status = CAM_REQ_CMP; |
| 720 | #else |
| 721 | struct ahd_devinfo devinfo; |
| 722 | struct ahd_initiator_tinfo *tinfo; |
| 723 | struct ahd_tmode_tstate *tstate; |
| 724 | uint16_t *discenable; |
| 725 | uint16_t *tagenable; |
| 726 | u_int update_type; |
| 727 | |
| 728 | ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), |
| 729 | cts->ccb_h.target_id, |
| 730 | cts->ccb_h.target_lun, |
| 731 | SIM_CHANNEL(ahd, sim), |
| 732 | ROLE_UNKNOWN); |
| 733 | tinfo = ahd_fetch_transinfo(ahd, devinfo.channel, |
| 734 | devinfo.our_scsiid, |
| 735 | devinfo.target, &tstate); |
| 736 | update_type = 0; |
| 737 | if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) { |
| 738 | update_type |= AHD_TRANS_GOAL; |
| 739 | discenable = &tstate->discenable; |
| 740 | tagenable = &tstate->tagenable; |
| 741 | } else if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) { |
| 742 | update_type |= AHD_TRANS_USER; |
| 743 | discenable = &ahd->user_discenable; |
| 744 | tagenable = &ahd->user_tagenable; |
| 745 | } else { |
| 746 | cts->ccb_h.status = CAM_REQ_INVALID; |
| 747 | return; |
| 748 | } |
| 749 | |
| 750 | if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) { |
| 751 | if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) |
| 752 | *discenable |= devinfo.target_mask; |
| 753 | else |
| 754 | *discenable &= ~devinfo.target_mask; |
| 755 | } |
| 756 | |
| 757 | if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) { |
| 758 | if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) |
| 759 | *tagenable |= devinfo.target_mask; |
| 760 | else |
| 761 | *tagenable &= ~devinfo.target_mask; |
| 762 | } |
| 763 | |
| 764 | if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) { |
| 765 | ahd_validate_width(ahd, /*tinfo limit*/NULL, |
| 766 | &cts->bus_width, ROLE_UNKNOWN); |
| 767 | ahd_set_width(ahd, &devinfo, cts->bus_width, |
| 768 | update_type, /*paused*/FALSE); |
| 769 | } |
| 770 | |
| 771 | if ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) == 0) { |
| 772 | if (update_type == AHD_TRANS_USER) |
| 773 | cts->sync_offset = tinfo->user.offset; |
| 774 | else |
| 775 | cts->sync_offset = tinfo->goal.offset; |
| 776 | } |
| 777 | |
| 778 | if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) == 0) { |
| 779 | if (update_type == AHD_TRANS_USER) |
| 780 | cts->sync_period = tinfo->user.period; |
| 781 | else |
| 782 | cts->sync_period = tinfo->goal.period; |
| 783 | } |
| 784 | |
| 785 | if (((cts->valid & CCB_TRANS_SYNC_RATE_VALID) != 0) |
| 786 | || ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) != 0) |
| 787 | || ((cts->valid & CCB_TRANS_TQ_VALID) != 0) |
| 788 | || ((cts->valid & CCB_TRANS_DISC_VALID) != 0)) { |
| 789 | u_int ppr_options; |
| 790 | u_int maxsync; |
| 791 | |
| 792 | maxsync = AHD_SYNCRATE_MAX; |
| 793 | ppr_options = 0; |
| 794 | if (cts->sync_period <= AHD_SYNCRATE_DT |
| 795 | && cts->bus_width == MSG_EXT_WDTR_BUS_16_BIT) { |
| 796 | ppr_options = tinfo->user.ppr_options |
| 797 | | MSG_EXT_PPR_DT_REQ; |
| 798 | } |
| 799 | |
| 800 | if ((*tagenable & devinfo.target_mask) == 0 |
| 801 | || (*discenable & devinfo.target_mask) == 0) |
| 802 | ppr_options &= ~MSG_EXT_PPR_IU_REQ; |
| 803 | |
| 804 | ahd_find_syncrate(ahd, &cts->sync_period, |
| 805 | &ppr_options, maxsync); |
| 806 | ahd_validate_offset(ahd, /*tinfo limit*/NULL, |
| 807 | cts->sync_period, &cts->sync_offset, |
| 808 | MSG_EXT_WDTR_BUS_8_BIT, |
| 809 | ROLE_UNKNOWN); |
| 810 | |
| 811 | /* We use a period of 0 to represent async */ |
| 812 | if (cts->sync_offset == 0) { |
| 813 | cts->sync_period = 0; |
| 814 | ppr_options = 0; |
| 815 | } |
| 816 | |
| 817 | if (ppr_options != 0 |
| 818 | && tinfo->user.transport_version >= 3) { |
| 819 | tinfo->goal.transport_version = |
| 820 | tinfo->user.transport_version; |
| 821 | tinfo->curr.transport_version = |
| 822 | tinfo->user.transport_version; |
| 823 | } |
| 824 | |
| 825 | ahd_set_syncrate(ahd, &devinfo, cts->sync_period, |
| 826 | cts->sync_offset, ppr_options, |
| 827 | update_type, /*paused*/FALSE); |
| 828 | } |
| 829 | cts->ccb_h.status = CAM_REQ_CMP; |
| 830 | #endif |
| 831 | } |
| 832 | |
| 833 | static void |
| 834 | ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel, |
| 835 | struct ccb_trans_settings *cts) |
| 836 | { |
| 837 | #ifdef AHD_NEW_TRAN_SETTINGS |
| 838 | struct ahd_devinfo devinfo; |
| 839 | struct ccb_trans_settings_scsi *scsi; |
| 840 | struct ccb_trans_settings_spi *spi; |
| 841 | struct ahd_initiator_tinfo *targ_info; |
| 842 | struct ahd_tmode_tstate *tstate; |
| 843 | struct ahd_transinfo *tinfo; |
| 844 | |
| 845 | scsi = &cts->proto_specific.scsi; |
| 846 | spi = &cts->xport_specific.spi; |
| 847 | ahd_compile_devinfo(&devinfo, our_id, |
| 848 | cts->ccb_h.target_id, |
| 849 | cts->ccb_h.target_lun, |
| 850 | channel, ROLE_UNKNOWN); |
| 851 | targ_info = ahd_fetch_transinfo(ahd, devinfo.channel, |
| 852 | devinfo.our_scsiid, |
| 853 | devinfo.target, &tstate); |
| 854 | |
| 855 | if (cts->type == CTS_TYPE_CURRENT_SETTINGS) |
| 856 | tinfo = &targ_info->curr; |
| 857 | else |
| 858 | tinfo = &targ_info->user; |
| 859 | |
| 860 | scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; |
| 861 | spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; |
| 862 | if (cts->type == CTS_TYPE_USER_SETTINGS) { |
| 863 | if ((ahd->user_discenable & devinfo.target_mask) != 0) |
| 864 | spi->flags |= CTS_SPI_FLAGS_DISC_ENB; |
| 865 | |
| 866 | if ((ahd->user_tagenable & devinfo.target_mask) != 0) |
| 867 | scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; |
| 868 | } else { |
| 869 | if ((tstate->discenable & devinfo.target_mask) != 0) |
| 870 | spi->flags |= CTS_SPI_FLAGS_DISC_ENB; |
| 871 | |
| 872 | if ((tstate->tagenable & devinfo.target_mask) != 0) |
| 873 | scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; |
| 874 | } |
| 875 | cts->protocol_version = tinfo->protocol_version; |
| 876 | cts->transport_version = tinfo->transport_version; |
| 877 | |
| 878 | spi->sync_period = tinfo->period; |
| 879 | spi->sync_offset = tinfo->offset; |
| 880 | spi->bus_width = tinfo->width; |
| 881 | spi->ppr_options = tinfo->ppr_options; |
| 882 | |
| 883 | cts->protocol = PROTO_SCSI; |
| 884 | cts->transport = XPORT_SPI; |
| 885 | spi->valid = CTS_SPI_VALID_SYNC_RATE |
| 886 | | CTS_SPI_VALID_SYNC_OFFSET |
| 887 | | CTS_SPI_VALID_BUS_WIDTH |
| 888 | | CTS_SPI_VALID_PPR_OPTIONS; |
| 889 | |
| 890 | if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { |
| 891 | scsi->valid = CTS_SCSI_VALID_TQ; |
| 892 | spi->valid |= CTS_SPI_VALID_DISC; |
| 893 | } else { |
| 894 | scsi->valid = 0; |
| 895 | } |
| 896 | |
| 897 | cts->ccb_h.status = CAM_REQ_CMP; |
| 898 | #else |
| 899 | struct ahd_devinfo devinfo; |
| 900 | struct ahd_initiator_tinfo *targ_info; |
| 901 | struct ahd_tmode_tstate *tstate; |
| 902 | struct ahd_transinfo *tinfo; |
| 903 | |
| 904 | ahd_compile_devinfo(&devinfo, our_id, |
| 905 | cts->ccb_h.target_id, |
| 906 | cts->ccb_h.target_lun, |
| 907 | channel, ROLE_UNKNOWN); |
| 908 | targ_info = ahd_fetch_transinfo(ahd, devinfo.channel, |
| 909 | devinfo.our_scsiid, |
| 910 | devinfo.target, &tstate); |
| 911 | |
| 912 | if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) |
| 913 | tinfo = &targ_info->curr; |
| 914 | else |
| 915 | tinfo = &targ_info->user; |
| 916 | |
| 917 | cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); |
| 918 | if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) == 0) { |
| 919 | if ((ahd->user_discenable & devinfo.target_mask) != 0) |
| 920 | cts->flags |= CCB_TRANS_DISC_ENB; |
| 921 | |
| 922 | if ((ahd->user_tagenable & devinfo.target_mask) != 0) |
| 923 | cts->flags |= CCB_TRANS_TAG_ENB; |
| 924 | } else { |
| 925 | if ((tstate->discenable & devinfo.target_mask) != 0) |
| 926 | cts->flags |= CCB_TRANS_DISC_ENB; |
| 927 | |
| 928 | if ((tstate->tagenable & devinfo.target_mask) != 0) |
| 929 | cts->flags |= CCB_TRANS_TAG_ENB; |
| 930 | } |
| 931 | cts->sync_period = tinfo->period; |
| 932 | cts->sync_offset = tinfo->offset; |
| 933 | cts->bus_width = tinfo->width; |
| 934 | |
| 935 | cts->valid = CCB_TRANS_SYNC_RATE_VALID |
| 936 | | CCB_TRANS_SYNC_OFFSET_VALID |
| 937 | | CCB_TRANS_BUS_WIDTH_VALID; |
| 938 | |
| 939 | if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) |
| 940 | cts->valid |= CCB_TRANS_DISC_VALID|CCB_TRANS_TQ_VALID; |
| 941 | |
| 942 | cts->ccb_h.status = CAM_REQ_CMP; |
| 943 | #endif |
| 944 | } |
| 945 | |
| 946 | static void |
| 947 | ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) |
| 948 | { |
| 949 | struct ahd_softc *ahd; |
| 950 | struct cam_sim *sim; |
| 951 | |
| 952 | sim = (struct cam_sim *)callback_arg; |
| 953 | ahd = (struct ahd_softc *)cam_sim_softc(sim); |
| 954 | switch (code) { |
| 955 | case AC_LOST_DEVICE: |
| 956 | { |
| 957 | struct ahd_devinfo devinfo; |
| 958 | |
| 959 | ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), |
| 960 | xpt_path_target_id(path), |
| 961 | xpt_path_lun_id(path), |
| 962 | SIM_CHANNEL(ahd, sim), |
| 963 | ROLE_UNKNOWN); |
| 964 | |
| 965 | /* |
| 966 | * Revert to async/narrow transfers |
| 967 | * for the next device. |
| 968 | */ |
| 969 | ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, |
| 970 | AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE); |
| 971 | ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0, |
| 972 | /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR, |
| 973 | /*paused*/FALSE); |
| 974 | break; |
| 975 | } |
| 976 | default: |
| 977 | break; |
| 978 | } |
| 979 | } |
| 980 | |
| 981 | static void |
| 982 | ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, |
| 983 | int error) |
| 984 | { |
| 985 | struct scb *scb; |
| 986 | union ccb *ccb; |
| 987 | struct ahd_softc *ahd; |
| 988 | struct ahd_initiator_tinfo *tinfo; |
| 989 | struct ahd_tmode_tstate *tstate; |
| 990 | u_int mask; |
| 991 | |
| 992 | scb = (struct scb *)arg; |
| 993 | ccb = scb->io_ctx; |
| 994 | ahd = scb->ahd_softc; |
| 995 | |
| 996 | if (error != 0) { |
| 997 | if (error == EFBIG) |
| 998 | aic_set_transaction_status(scb, CAM_REQ_TOO_BIG); |
| 999 | else |
| 1000 | aic_set_transaction_status(scb, CAM_REQ_CMP_ERR); |
| 1001 | if (nsegments != 0) |
| 1002 | bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); |
| 1003 | ahd_free_scb(ahd, scb); |
| 1004 | xpt_done(ccb); |
| 1005 | return; |
| 1006 | } |
| 1007 | scb->sg_count = 0; |
| 1008 | if (nsegments != 0) { |
| 1009 | void *sg; |
| 1010 | bus_dmasync_op_t op; |
| 1011 | u_int i; |
| 1012 | |
| 1013 | /* Copy the segments into our SG list */ |
| 1014 | for (i = nsegments, sg = scb->sg_list; i > 0; i--) { |
| 1015 | |
| 1016 | sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr, |
| 1017 | dm_segs->ds_len, |
| 1018 | /*last*/i == 1); |
| 1019 | dm_segs++; |
| 1020 | } |
| 1021 | |
| 1022 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) |
| 1023 | op = BUS_DMASYNC_PREREAD; |
| 1024 | else |
| 1025 | op = BUS_DMASYNC_PREWRITE; |
| 1026 | |
| 1027 | bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op); |
| 1028 | |
| 1029 | if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { |
| 1030 | struct target_data *tdata; |
| 1031 | |
| 1032 | tdata = &scb->hscb->shared_data.tdata; |
| 1033 | tdata->target_phases |= DPHASE_PENDING; |
| 1034 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) |
| 1035 | tdata->data_phase = P_DATAOUT; |
| 1036 | else |
| 1037 | tdata->data_phase = P_DATAIN; |
| 1038 | } |
| 1039 | } |
| 1040 | |
| 1041 | /* |
| 1042 | * Last time we need to check if this SCB needs to |
| 1043 | * be aborted. |
| 1044 | */ |
| 1045 | if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) { |
| 1046 | if (nsegments != 0) |
| 1047 | bus_dmamap_unload(ahd->buffer_dmat, |
| 1048 | scb->dmamap); |
| 1049 | ahd_free_scb(ahd, scb); |
| 1050 | xpt_done(ccb); |
| 1051 | return; |
| 1052 | } |
| 1053 | |
| 1054 | tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid), |
| 1055 | SCSIID_OUR_ID(scb->hscb->scsiid), |
| 1056 | SCSIID_TARGET(ahd, scb->hscb->scsiid), |
| 1057 | &tstate); |
| 1058 | |
| 1059 | mask = SCB_GET_TARGET_MASK(ahd, scb); |
| 1060 | |
| 1061 | if ((tstate->discenable & mask) != 0 |
| 1062 | && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) |
| 1063 | scb->hscb->control |= DISCENB; |
| 1064 | |
| 1065 | if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) { |
| 1066 | scb->flags |= SCB_PACKETIZED; |
| 1067 | if (scb->hscb->task_management != 0) |
| 1068 | scb->hscb->control &= ~MK_MESSAGE; |
| 1069 | } |
| 1070 | |
| 1071 | if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 |
| 1072 | && (tinfo->goal.width != 0 |
| 1073 | || tinfo->goal.period != 0 |
| 1074 | || tinfo->goal.ppr_options != 0)) { |
| 1075 | scb->flags |= SCB_NEGOTIATE; |
| 1076 | scb->hscb->control |= MK_MESSAGE; |
| 1077 | } else if ((tstate->auto_negotiate & mask) != 0) { |
| 1078 | scb->flags |= SCB_AUTO_NEGOTIATE; |
| 1079 | scb->hscb->control |= MK_MESSAGE; |
| 1080 | } |
| 1081 | |
| 1082 | LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links); |
| 1083 | |
| 1084 | ccb->ccb_h.status |= CAM_SIM_QUEUED; |
| 1085 | |
| 1086 | aic_scb_timer_start(scb); |
| 1087 | |
| 1088 | if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { |
| 1089 | /* Define a mapping from our tag to the SCB. */ |
| 1090 | ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb; |
| 1091 | ahd_pause(ahd); |
| 1092 | ahd_set_scbptr(ahd, SCB_GET_TAG(scb)); |
| 1093 | ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG); |
| 1094 | ahd_unpause(ahd); |
| 1095 | } else { |
| 1096 | ahd_queue_scb(ahd, scb); |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | static void |
| 1101 | ahd_poll(struct cam_sim *sim) |
| 1102 | { |
| 1103 | ahd_intr(cam_sim_softc(sim)); |
| 1104 | } |
| 1105 | |
| 1106 | static void |
| 1107 | ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim, |
| 1108 | struct ccb_scsiio *csio, struct scb *scb) |
| 1109 | { |
| 1110 | struct hardware_scb *hscb; |
| 1111 | struct ccb_hdr *ccb_h; |
| 1112 | |
| 1113 | hscb = scb->hscb; |
| 1114 | ccb_h = &csio->ccb_h; |
| 1115 | |
| 1116 | csio->resid = 0; |
| 1117 | csio->sense_resid = 0; |
| 1118 | if (ccb_h->func_code == XPT_SCSI_IO) { |
| 1119 | hscb->cdb_len = csio->cdb_len; |
| 1120 | if ((ccb_h->flags & CAM_CDB_POINTER) != 0) { |
| 1121 | |
| 1122 | if (hscb->cdb_len > MAX_CDB_LEN |
| 1123 | && (ccb_h->flags & CAM_CDB_PHYS) == 0) { |
| 1124 | |
| 1125 | /* |
| 1126 | * Should CAM start to support CDB sizes |
| 1127 | * greater than 16 bytes, we could use |
| 1128 | * the sense buffer to store the CDB. |
| 1129 | */ |
| 1130 | aic_set_transaction_status(scb, |
| 1131 | CAM_REQ_INVALID); |
| 1132 | ahd_free_scb(ahd, scb); |
| 1133 | xpt_done((union ccb *)csio); |
| 1134 | return; |
| 1135 | } |
| 1136 | if ((ccb_h->flags & CAM_CDB_PHYS) != 0) { |
| 1137 | hscb->shared_data.idata.cdb_from_host.cdbptr = |
| 1138 | aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr); |
| 1139 | hscb->shared_data.idata.cdb_from_host.cdblen = |
| 1140 | csio->cdb_len; |
| 1141 | hscb->cdb_len |= SCB_CDB_LEN_PTR; |
| 1142 | } else { |
| 1143 | memcpy(hscb->shared_data.idata.cdb, |
| 1144 | csio->cdb_io.cdb_ptr, |
| 1145 | hscb->cdb_len); |
| 1146 | } |
| 1147 | } else { |
| 1148 | if (hscb->cdb_len > MAX_CDB_LEN) { |
| 1149 | |
| 1150 | aic_set_transaction_status(scb, |
| 1151 | CAM_REQ_INVALID); |
| 1152 | ahd_free_scb(ahd, scb); |
| 1153 | xpt_done((union ccb *)csio); |
| 1154 | return; |
| 1155 | } |
| 1156 | memcpy(hscb->shared_data.idata.cdb, |
| 1157 | csio->cdb_io.cdb_bytes, hscb->cdb_len); |
| 1158 | } |
| 1159 | } |
| 1160 | |
| 1161 | /* Only use S/G if there is a transfer */ |
| 1162 | if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { |
| 1163 | if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) { |
| 1164 | /* We've been given a pointer to a single buffer */ |
| 1165 | if ((ccb_h->flags & CAM_DATA_PHYS) == 0) { |
| 1166 | int error; |
| 1167 | |
| 1168 | crit_enter(); |
| 1169 | error = bus_dmamap_load(ahd->buffer_dmat, |
| 1170 | scb->dmamap, |
| 1171 | csio->data_ptr, |
| 1172 | csio->dxfer_len, |
| 1173 | ahd_execute_scb, |
| 1174 | scb, /*flags*/0); |
| 1175 | if (error == EINPROGRESS) { |
| 1176 | /* |
| 1177 | * So as to maintain ordering, |
| 1178 | * freeze the controller queue |
| 1179 | * until our mapping is |
| 1180 | * returned. |
| 1181 | */ |
| 1182 | xpt_freeze_simq(sim, |
| 1183 | /*count*/1); |
| 1184 | scb->io_ctx->ccb_h.status |= |
| 1185 | CAM_RELEASE_SIMQ; |
| 1186 | } |
| 1187 | crit_exit(); |
| 1188 | } else { |
| 1189 | struct bus_dma_segment seg; |
| 1190 | |
| 1191 | /* Pointer to physical buffer */ |
| 1192 | if (csio->dxfer_len > AHD_MAXTRANSFER_SIZE) |
| 1193 | panic("ahd_setup_data - Transfer size " |
| 1194 | "larger than can device max"); |
| 1195 | |
| 1196 | seg.ds_addr = |
| 1197 | (bus_addr_t)(vm_offset_t)csio->data_ptr; |
| 1198 | seg.ds_len = csio->dxfer_len; |
| 1199 | ahd_execute_scb(scb, &seg, 1, 0); |
| 1200 | } |
| 1201 | } else { |
| 1202 | struct bus_dma_segment *segs; |
| 1203 | |
| 1204 | if ((ccb_h->flags & CAM_DATA_PHYS) != 0) |
| 1205 | panic("ahd_setup_data - Physical segment " |
| 1206 | "pointers unsupported"); |
| 1207 | |
| 1208 | if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0) |
| 1209 | panic("ahd_setup_data - Virtual segment " |
| 1210 | "addresses unsupported"); |
| 1211 | |
| 1212 | /* Just use the segments provided */ |
| 1213 | segs = (struct bus_dma_segment *)csio->data_ptr; |
| 1214 | ahd_execute_scb(scb, segs, csio->sglist_cnt, 0); |
| 1215 | } |
| 1216 | } else { |
| 1217 | ahd_execute_scb(scb, NULL, 0, 0); |
| 1218 | } |
| 1219 | } |
| 1220 | |
| 1221 | static void |
| 1222 | ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb) |
| 1223 | { |
| 1224 | union ccb *abort_ccb; |
| 1225 | |
| 1226 | abort_ccb = ccb->cab.abort_ccb; |
| 1227 | switch (abort_ccb->ccb_h.func_code) { |
| 1228 | #ifdef AHD_TARGET_MODE |
| 1229 | case XPT_ACCEPT_TARGET_IO: |
| 1230 | case XPT_IMMED_NOTIFY: |
| 1231 | case XPT_CONT_TARGET_IO: |
| 1232 | { |
| 1233 | struct ahd_tmode_tstate *tstate; |
| 1234 | struct ahd_tmode_lstate *lstate; |
| 1235 | struct ccb_hdr_slist *list; |
| 1236 | cam_status status; |
| 1237 | |
| 1238 | status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate, |
| 1239 | &lstate, TRUE); |
| 1240 | |
| 1241 | if (status != CAM_REQ_CMP) { |
| 1242 | ccb->ccb_h.status = status; |
| 1243 | break; |
| 1244 | } |
| 1245 | |
| 1246 | if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) |
| 1247 | list = &lstate->accept_tios; |
| 1248 | else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) |
| 1249 | list = &lstate->immed_notifies; |
| 1250 | else |
| 1251 | list = NULL; |
| 1252 | |
| 1253 | if (list != NULL) { |
| 1254 | struct ccb_hdr *curelm; |
| 1255 | int found; |
| 1256 | |
| 1257 | curelm = SLIST_FIRST(list); |
| 1258 | found = 0; |
| 1259 | if (curelm == &abort_ccb->ccb_h) { |
| 1260 | found = 1; |
| 1261 | SLIST_REMOVE_HEAD(list, sim_links.sle); |
| 1262 | } else { |
| 1263 | while(curelm != NULL) { |
| 1264 | struct ccb_hdr *nextelm; |
| 1265 | |
| 1266 | nextelm = |
| 1267 | SLIST_NEXT(curelm, sim_links.sle); |
| 1268 | |
| 1269 | if (nextelm == &abort_ccb->ccb_h) { |
| 1270 | found = 1; |
| 1271 | SLIST_NEXT(curelm, |
| 1272 | sim_links.sle) = |
| 1273 | SLIST_NEXT(nextelm, |
| 1274 | sim_links.sle); |
| 1275 | break; |
| 1276 | } |
| 1277 | curelm = nextelm; |
| 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | if (found) { |
| 1282 | abort_ccb->ccb_h.status = CAM_REQ_ABORTED; |
| 1283 | xpt_done(abort_ccb); |
| 1284 | ccb->ccb_h.status = CAM_REQ_CMP; |
| 1285 | } else { |
| 1286 | xpt_print_path(abort_ccb->ccb_h.path); |
| 1287 | kprintf("Not found\n"); |
| 1288 | ccb->ccb_h.status = CAM_PATH_INVALID; |
| 1289 | } |
| 1290 | break; |
| 1291 | } |
| 1292 | /* FALLTHROUGH */ |
| 1293 | } |
| 1294 | #endif |
| 1295 | case XPT_SCSI_IO: |
| 1296 | /* XXX Fully implement the hard ones */ |
| 1297 | ccb->ccb_h.status = CAM_UA_ABORT; |
| 1298 | break; |
| 1299 | default: |
| 1300 | ccb->ccb_h.status = CAM_REQ_INVALID; |
| 1301 | break; |
| 1302 | } |
| 1303 | xpt_done(ccb); |
| 1304 | } |
| 1305 | |
| 1306 | void |
| 1307 | ahd_send_async(struct ahd_softc *ahd, char channel, u_int target, |
| 1308 | u_int lun, ac_code code, void *opt_arg) |
| 1309 | { |
| 1310 | struct ccb_trans_settings cts; |
| 1311 | struct cam_path *path; |
| 1312 | void *arg; |
| 1313 | int error; |
| 1314 | |
| 1315 | arg = NULL; |
| 1316 | error = ahd_create_path(ahd, channel, target, lun, &path); |
| 1317 | |
| 1318 | if (error != CAM_REQ_CMP) |
| 1319 | return; |
| 1320 | |
| 1321 | switch (code) { |
| 1322 | case AC_TRANSFER_NEG: |
| 1323 | { |
| 1324 | #ifdef AHD_NEW_TRAN_SETTINGS |
| 1325 | struct ccb_trans_settings_scsi *scsi; |
| 1326 | |
| 1327 | cts.type = CTS_TYPE_CURRENT_SETTINGS; |
| 1328 | scsi = &cts.proto_specific.scsi; |
| 1329 | #else |
| 1330 | cts.flags = CCB_TRANS_CURRENT_SETTINGS; |
| 1331 | #endif |
| 1332 | cts.ccb_h.path = path; |
| 1333 | cts.ccb_h.target_id = target; |
| 1334 | cts.ccb_h.target_lun = lun; |
| 1335 | ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts); |
| 1336 | arg = &cts; |
| 1337 | #ifdef AHD_NEW_TRAN_SETTINGS |
| 1338 | scsi->valid &= ~CTS_SCSI_VALID_TQ; |
| 1339 | scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; |
| 1340 | #else |
| 1341 | cts.valid &= ~CCB_TRANS_TQ_VALID; |
| 1342 | cts.flags &= ~CCB_TRANS_TAG_ENB; |
| 1343 | #endif |
| 1344 | if (opt_arg == NULL) |
| 1345 | break; |
| 1346 | if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED) |
| 1347 | #ifdef AHD_NEW_TRAN_SETTINGS |
| 1348 | scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB; |
| 1349 | scsi->valid |= CTS_SCSI_VALID_TQ; |
| 1350 | #else |
| 1351 | cts.flags |= CCB_TRANS_TAG_ENB; |
| 1352 | cts.valid |= CCB_TRANS_TQ_VALID; |
| 1353 | #endif |
| 1354 | break; |
| 1355 | } |
| 1356 | case AC_SENT_BDR: |
| 1357 | case AC_BUS_RESET: |
| 1358 | break; |
| 1359 | default: |
| 1360 | panic("ahd_send_async: Unexpected async event"); |
| 1361 | } |
| 1362 | xpt_async(code, path, arg); |
| 1363 | xpt_free_path(path); |
| 1364 | } |
| 1365 | |
| 1366 | void |
| 1367 | ahd_platform_set_tags(struct ahd_softc *ahd, |
| 1368 | struct ahd_devinfo *devinfo, int enable) |
| 1369 | { |
| 1370 | } |
| 1371 | |
| 1372 | int |
| 1373 | ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg) |
| 1374 | { |
| 1375 | ahd->platform_data = kmalloc(sizeof(struct ahd_platform_data), M_DEVBUF, |
| 1376 | M_INTWAIT | M_ZERO); |
| 1377 | return (0); |
| 1378 | } |
| 1379 | |
| 1380 | void |
| 1381 | ahd_platform_free(struct ahd_softc *ahd) |
| 1382 | { |
| 1383 | struct ahd_platform_data *pdata; |
| 1384 | |
| 1385 | pdata = ahd->platform_data; |
| 1386 | if (pdata != NULL) { |
| 1387 | if (pdata->regs[0] != NULL) |
| 1388 | bus_release_resource(ahd->dev_softc, |
| 1389 | pdata->regs_res_type[0], |
| 1390 | pdata->regs_res_id[0], |
| 1391 | pdata->regs[0]); |
| 1392 | |
| 1393 | if (pdata->regs[1] != NULL) |
| 1394 | bus_release_resource(ahd->dev_softc, |
| 1395 | pdata->regs_res_type[1], |
| 1396 | pdata->regs_res_id[1], |
| 1397 | pdata->regs[1]); |
| 1398 | |
| 1399 | if (pdata->irq != NULL) |
| 1400 | bus_release_resource(ahd->dev_softc, |
| 1401 | pdata->irq_res_type, |
| 1402 | 0, pdata->irq); |
| 1403 | |
| 1404 | if (pdata->sim != NULL) { |
| 1405 | xpt_async(AC_LOST_DEVICE, pdata->path, NULL); |
| 1406 | xpt_free_path(pdata->path); |
| 1407 | xpt_bus_deregister(cam_sim_path(pdata->sim)); |
| 1408 | cam_sim_free(pdata->sim); |
| 1409 | } |
| 1410 | if (pdata->eh != NULL) |
| 1411 | EVENTHANDLER_DEREGISTER(shutdown_post_sync, pdata->eh); |
| 1412 | kfree(ahd->platform_data, M_DEVBUF); |
| 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | int |
| 1417 | ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd) |
| 1418 | { |
| 1419 | /* We don't sort softcs under FreeBSD so report equal always */ |
| 1420 | return (0); |
| 1421 | } |
| 1422 | |
| 1423 | int |
| 1424 | ahd_detach(device_t dev) |
| 1425 | { |
| 1426 | struct ahd_softc *ahd; |
| 1427 | |
| 1428 | device_printf(dev, "detaching device\n"); |
| 1429 | ahd = device_get_softc(dev); |
| 1430 | ahd_lock(ahd); |
| 1431 | TAILQ_REMOVE(&ahd_tailq, ahd, links); |
| 1432 | ahd_intr_enable(ahd, FALSE); |
| 1433 | bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih); |
| 1434 | ahd_unlock(ahd); |
| 1435 | ahd_free(ahd); |
| 1436 | return (0); |
| 1437 | } |
| 1438 | |
| 1439 | #if 0 |
| 1440 | static void |
| 1441 | ahd_dump_targcmd(struct target_cmd *cmd) |
| 1442 | { |
| 1443 | uint8_t *byte; |
| 1444 | uint8_t *last_byte; |
| 1445 | int i; |
| 1446 | |
| 1447 | byte = &cmd->initiator_channel; |
| 1448 | /* Debugging info for received commands */ |
| 1449 | last_byte = &cmd[1].initiator_channel; |
| 1450 | |
| 1451 | i = 0; |
| 1452 | while (byte < last_byte) { |
| 1453 | if (i == 0) |
| 1454 | kprintf("\t"); |
| 1455 | kprintf("%#x", *byte++); |
| 1456 | i++; |
| 1457 | if (i == 8) { |
| 1458 | kprintf("\n"); |
| 1459 | i = 0; |
| 1460 | } else { |
| 1461 | kprintf(", "); |
| 1462 | } |
| 1463 | } |
| 1464 | } |
| 1465 | #endif |
| 1466 | |
| 1467 | static int |
| 1468 | ahd_modevent(module_t mod, int type, void *data) |
| 1469 | { |
| 1470 | /* XXX Deal with busy status on unload. */ |
| 1471 | /* XXX Deal with unknown events */ |
| 1472 | return 0; |
| 1473 | } |
| 1474 | |
| 1475 | static moduledata_t ahd_mod = { |
| 1476 | "ahd", |
| 1477 | ahd_modevent, |
| 1478 | NULL |
| 1479 | }; |
| 1480 | |
| 1481 | /********************************** DDB Hooks *********************************/ |
| 1482 | #ifdef DDB |
| 1483 | static struct ahd_softc *ahd_ddb_softc; |
| 1484 | static int ahd_ddb_paused; |
| 1485 | static int ahd_ddb_paused_on_entry; |
| 1486 | DB_COMMAND(ahd_sunit, ahd_ddb_sunit) |
| 1487 | { |
| 1488 | struct ahd_softc *list_ahd; |
| 1489 | |
| 1490 | ahd_ddb_softc = NULL; |
| 1491 | TAILQ_FOREACH(list_ahd, &ahd_tailq, links) { |
| 1492 | if (list_ahd->unit == addr) |
| 1493 | ahd_ddb_softc = list_ahd; |
| 1494 | } |
| 1495 | if (ahd_ddb_softc == NULL) |
| 1496 | db_error("No matching softc found!\n"); |
| 1497 | } |
| 1498 | |
| 1499 | DB_COMMAND(ahd_pause, ahd_ddb_pause) |
| 1500 | { |
| 1501 | if (ahd_ddb_softc == NULL) { |
| 1502 | db_error("Must set unit with ahd_sunit first!\n"); |
| 1503 | return; |
| 1504 | } |
| 1505 | if (ahd_ddb_paused == 0) { |
| 1506 | ahd_ddb_paused++; |
| 1507 | if (ahd_is_paused(ahd_ddb_softc)) { |
| 1508 | ahd_ddb_paused_on_entry++; |
| 1509 | return; |
| 1510 | } |
| 1511 | ahd_pause(ahd_ddb_softc); |
| 1512 | } |
| 1513 | } |
| 1514 | |
| 1515 | DB_COMMAND(ahd_unpause, ahd_ddb_unpause) |
| 1516 | { |
| 1517 | if (ahd_ddb_softc == NULL) { |
| 1518 | db_error("Must set unit with ahd_sunit first!\n"); |
| 1519 | return; |
| 1520 | } |
| 1521 | if (ahd_ddb_paused != 0) { |
| 1522 | ahd_ddb_paused = 0; |
| 1523 | if (ahd_ddb_paused_on_entry) |
| 1524 | return; |
| 1525 | ahd_unpause(ahd_ddb_softc); |
| 1526 | } else if (ahd_ddb_paused_on_entry != 0) { |
| 1527 | /* Two unpauses to clear a paused on entry. */ |
| 1528 | ahd_ddb_paused_on_entry = 0; |
| 1529 | ahd_unpause(ahd_ddb_softc); |
| 1530 | } |
| 1531 | } |
| 1532 | |
| 1533 | DB_COMMAND(ahd_in, ahd_ddb_in) |
| 1534 | { |
| 1535 | int c; |
| 1536 | int size; |
| 1537 | |
| 1538 | if (ahd_ddb_softc == NULL) { |
| 1539 | db_error("Must set unit with ahd_sunit first!\n"); |
| 1540 | return; |
| 1541 | } |
| 1542 | if (have_addr == 0) |
| 1543 | return; |
| 1544 | |
| 1545 | size = 1; |
| 1546 | while ((c = *modif++) != '\0') { |
| 1547 | switch (c) { |
| 1548 | case 'b': |
| 1549 | size = 1; |
| 1550 | break; |
| 1551 | case 'w': |
| 1552 | size = 2; |
| 1553 | break; |
| 1554 | case 'l': |
| 1555 | size = 4; |
| 1556 | break; |
| 1557 | } |
| 1558 | } |
| 1559 | |
| 1560 | if (count <= 0) |
| 1561 | count = 1; |
| 1562 | while (--count >= 0) { |
| 1563 | db_printf("%04lx (M)%x: \t", (u_long)addr, |
| 1564 | ahd_inb(ahd_ddb_softc, MODE_PTR)); |
| 1565 | switch (size) { |
| 1566 | case 1: |
| 1567 | db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr)); |
| 1568 | break; |
| 1569 | case 2: |
| 1570 | db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr)); |
| 1571 | break; |
| 1572 | case 4: |
| 1573 | db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr)); |
| 1574 | break; |
| 1575 | } |
| 1576 | } |
| 1577 | } |
| 1578 | |
| 1579 | DB_SET(ahd_out, ahd_ddb_out, db_cmd_set, CS_MORE, NULL) |
| 1580 | { |
| 1581 | db_expr_t old_value; |
| 1582 | db_expr_t new_value; |
| 1583 | int size; |
| 1584 | |
| 1585 | if (ahd_ddb_softc == NULL) { |
| 1586 | db_error("Must set unit with ahd_sunit first!\n"); |
| 1587 | return; |
| 1588 | } |
| 1589 | |
| 1590 | switch (modif[0]) { |
| 1591 | case '\0': |
| 1592 | case 'b': |
| 1593 | size = 1; |
| 1594 | break; |
| 1595 | case 'h': |
| 1596 | size = 2; |
| 1597 | break; |
| 1598 | case 'l': |
| 1599 | size = 4; |
| 1600 | break; |
| 1601 | default: |
| 1602 | db_error("Unknown size\n"); |
| 1603 | return; |
| 1604 | } |
| 1605 | |
| 1606 | while (db_expression(&new_value)) { |
| 1607 | switch (size) { |
| 1608 | default: |
| 1609 | case 1: |
| 1610 | old_value = ahd_inb(ahd_ddb_softc, addr); |
| 1611 | ahd_outb(ahd_ddb_softc, addr, new_value); |
| 1612 | break; |
| 1613 | case 2: |
| 1614 | old_value = ahd_inw(ahd_ddb_softc, addr); |
| 1615 | ahd_outw(ahd_ddb_softc, addr, new_value); |
| 1616 | break; |
| 1617 | case 4: |
| 1618 | old_value = ahd_inl(ahd_ddb_softc, addr); |
| 1619 | ahd_outl(ahd_ddb_softc, addr, new_value); |
| 1620 | break; |
| 1621 | } |
| 1622 | db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx", |
| 1623 | (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR), |
| 1624 | (u_long)old_value, (u_long)new_value); |
| 1625 | addr += size; |
| 1626 | } |
| 1627 | db_skip_to_eol(); |
| 1628 | } |
| 1629 | |
| 1630 | DB_COMMAND(ahd_dump, ahd_ddb_dump) |
| 1631 | { |
| 1632 | if (ahd_ddb_softc == NULL) { |
| 1633 | db_error("Must set unit with ahd_sunit first!\n"); |
| 1634 | return; |
| 1635 | } |
| 1636 | ahd_dump_card_state(ahd_ddb_softc); |
| 1637 | } |
| 1638 | |
| 1639 | #endif |
| 1640 | |
| 1641 | |
| 1642 | DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); |
| 1643 | MODULE_DEPEND(ahd, cam, 1, 1, 1); |
| 1644 | MODULE_VERSION(ahd, 1); |