aic7xxx_osm.c revision 66510
165942Sgibbs/* 265942Sgibbs * Bus independent FreeBSD shim for the aic7xxx based adaptec SCSI controllers 365942Sgibbs * 465942Sgibbs * Copyright (c) 1994, 1995, 1996, 1997, 1998, 1999, 2000 Justin T. Gibbs. 565942Sgibbs * All rights reserved. 665942Sgibbs * 765942Sgibbs * Redistribution and use in source and binary forms, with or without 865942Sgibbs * modification, are permitted provided that the following conditions 965942Sgibbs * are met: 1065942Sgibbs * 1. Redistributions of source code must retain the above copyright 1165942Sgibbs * notice, this list of conditions, and the following disclaimer, 1265942Sgibbs * without modification. 1365942Sgibbs * 2. The name of the author may not be used to endorse or promote products 1465942Sgibbs * derived from this software without specific prior written permission. 1565942Sgibbs * 1665942Sgibbs * Alternatively, this software may be distributed under the terms of the 1765942Sgibbs * GNU Public License ("GPL"). 1865942Sgibbs * 1965942Sgibbs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2065942Sgibbs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2165942Sgibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2265942Sgibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 2365942Sgibbs * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2465942Sgibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2565942Sgibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2665942Sgibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2765942Sgibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2865942Sgibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2965942Sgibbs * SUCH DAMAGE. 3065942Sgibbs * 3165942Sgibbs * $Id$ 3265942Sgibbs * 3365942Sgibbs * $FreeBSD: head/sys/dev/aic7xxx/aic7xxx_osm.c 66510 2000-10-01 20:56:44Z gibbs $ 3465942Sgibbs */ 3565942Sgibbs 3665942Sgibbs#include <dev/aic7xxx/aic7xxx_freebsd.h> 3765942Sgibbs#include <dev/aic7xxx/aic7xxx_inline.h> 3865942Sgibbs 3965942Sgibbs#include <sys/eventhandler.h> 4065942Sgibbs 4165942Sgibbs#ifndef AHC_TMODE_ENABLE 4265942Sgibbs#define AHC_TMODE_ENABLE 0 4365942Sgibbs#endif 4465942Sgibbs 4565942Sgibbs#define ccb_scb_ptr spriv_ptr0 4665942Sgibbs#define ccb_ahc_ptr spriv_ptr1 4765942Sgibbs 4865942Sgibbs#ifdef AHC_DEBUG 4965942Sgibbsstatic int ahc_debug = AHC_DEBUG; 5065942Sgibbs#endif 5165942Sgibbs 5265942Sgibbsstatic void ahc_freebsd_intr(void *arg); 5365942Sgibbs 5465942Sgibbs#if UNUSED 5565942Sgibbsstatic void ahc_dump_targcmd(struct target_cmd *cmd); 5665942Sgibbs#endif 5765942Sgibbsstatic void ahc_action(struct cam_sim *sim, union ccb *ccb); 5865942Sgibbsstatic void ahc_get_tran_settings(struct ahc_softc *ahc, 5965942Sgibbs int our_id, char channel, 6065942Sgibbs struct ccb_trans_settings *cts); 6165942Sgibbsstatic void ahc_async(void *callback_arg, uint32_t code, 6265942Sgibbs struct cam_path *path, void *arg); 6365942Sgibbsstatic void ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, 6465942Sgibbs int nsegments, int error); 6565942Sgibbsstatic void ahc_poll(struct cam_sim *sim); 6665942Sgibbsstatic void ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 6765942Sgibbs struct ccb_scsiio *csio, struct scb *scb); 6865942Sgibbsstatic void ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, 6965942Sgibbs union ccb *ccb); 7065942Sgibbsstatic int ahc_create_path(struct ahc_softc *ahc, 7166269Sgibbs char channel, u_int target, u_int lun, 7265942Sgibbs struct cam_path **path); 7365942Sgibbs 7465942Sgibbsstatic void ahc_set_recoveryscb(struct ahc_softc *ahc, struct scb *scb); 7565942Sgibbs 7665942Sgibbsstatic int 7766269Sgibbsahc_create_path(struct ahc_softc *ahc, char channel, u_int target, 7866269Sgibbs u_int lun, struct cam_path **path) 7965942Sgibbs{ 8065942Sgibbs path_id_t path_id; 8165942Sgibbs 8266269Sgibbs if (channel == 'B') 8365942Sgibbs path_id = cam_sim_path(ahc->platform_data->sim_b); 8465942Sgibbs else 8565942Sgibbs path_id = cam_sim_path(ahc->platform_data->sim); 8665942Sgibbs 8765942Sgibbs return (xpt_create_path(path, /*periph*/NULL, 8866269Sgibbs path_id, target, lun)); 8965942Sgibbs} 9065942Sgibbs 9165942Sgibbs/* 9265942Sgibbs * Attach all the sub-devices we can find 9365942Sgibbs */ 9465942Sgibbsint 9565942Sgibbsahc_attach(struct ahc_softc *ahc) 9665942Sgibbs{ 9765942Sgibbs char ahc_info[256]; 9865942Sgibbs struct ccb_setasync csa; 9965942Sgibbs struct cam_devq *devq; 10065942Sgibbs int bus_id; 10165942Sgibbs int bus_id2; 10265942Sgibbs struct cam_sim *sim; 10365942Sgibbs struct cam_sim *sim2; 10465942Sgibbs struct cam_path *path; 10565942Sgibbs struct cam_path *path2; 10665942Sgibbs long s; 10765942Sgibbs int count; 10865942Sgibbs int error; 10965942Sgibbs 11065942Sgibbs count = 0; 11165942Sgibbs sim = NULL; 11265942Sgibbs sim2 = NULL; 11365942Sgibbs 11465942Sgibbs ahc_controller_info(ahc, ahc_info); 11565942Sgibbs printf("%s\n", ahc_info); 11665942Sgibbs ahc_lock(ahc, &s); 11765942Sgibbs /* Hook up our interrupt handler */ 11865942Sgibbs if ((error = bus_setup_intr(ahc->dev_softc, ahc->platform_data->irq, 11965942Sgibbs INTR_TYPE_CAM, ahc_freebsd_intr, ahc, 12065942Sgibbs &ahc->platform_data->ih)) != 0) { 12165942Sgibbs device_printf(ahc->dev_softc, "bus_setup_intr() failed: %d\n", 12265942Sgibbs error); 12365942Sgibbs goto fail; 12465942Sgibbs } 12565942Sgibbs 12665942Sgibbs /* 12765942Sgibbs * Attach secondary channel first if the user has 12865942Sgibbs * declared it the primary channel. 12965942Sgibbs */ 13065942Sgibbs if ((ahc->flags & AHC_CHANNEL_B_PRIMARY) != 0) { 13165942Sgibbs bus_id = 1; 13265942Sgibbs bus_id2 = 0; 13365942Sgibbs } else { 13465942Sgibbs bus_id = 0; 13565942Sgibbs bus_id2 = 1; 13665942Sgibbs } 13765942Sgibbs 13865942Sgibbs /* 13965942Sgibbs * Create the device queue for our SIM(s). 14065942Sgibbs */ 14165942Sgibbs devq = cam_simq_alloc(AHC_SCB_MAX); 14265942Sgibbs if (devq == NULL) 14365942Sgibbs goto fail; 14465942Sgibbs 14565942Sgibbs /* 14665942Sgibbs * Construct our first channel SIM entry 14765942Sgibbs */ 14866104Sgibbs sim = cam_sim_alloc(ahc_action, ahc_poll, "ahc", ahc, 14966104Sgibbs device_get_unit(ahc->dev_softc), 15065942Sgibbs 1, AHC_SCB_MAX, devq); 15165942Sgibbs if (sim == NULL) { 15265942Sgibbs cam_simq_free(devq); 15365942Sgibbs goto fail; 15465942Sgibbs } 15565942Sgibbs 15665942Sgibbs if (xpt_bus_register(sim, bus_id) != CAM_SUCCESS) { 15765942Sgibbs cam_sim_free(sim, /*free_devq*/TRUE); 15865942Sgibbs sim = NULL; 15965942Sgibbs goto fail; 16065942Sgibbs } 16165942Sgibbs 16265942Sgibbs if (xpt_create_path(&path, /*periph*/NULL, 16365942Sgibbs cam_sim_path(sim), CAM_TARGET_WILDCARD, 16465942Sgibbs CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 16565942Sgibbs xpt_bus_deregister(cam_sim_path(sim)); 16665942Sgibbs cam_sim_free(sim, /*free_devq*/TRUE); 16765942Sgibbs sim = NULL; 16865942Sgibbs goto fail; 16965942Sgibbs } 17065942Sgibbs 17165942Sgibbs xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 17265942Sgibbs csa.ccb_h.func_code = XPT_SASYNC_CB; 17365942Sgibbs csa.event_enable = AC_LOST_DEVICE; 17465942Sgibbs csa.callback = ahc_async; 17565942Sgibbs csa.callback_arg = sim; 17665942Sgibbs xpt_action((union ccb *)&csa); 17765942Sgibbs count++; 17865942Sgibbs 17965942Sgibbs if (ahc->features & AHC_TWIN) { 18065942Sgibbs sim2 = cam_sim_alloc(ahc_action, ahc_poll, "ahc", 18166104Sgibbs ahc, device_get_unit(ahc->dev_softc), 1, 18265942Sgibbs AHC_SCB_MAX, devq); 18365942Sgibbs 18465942Sgibbs if (sim2 == NULL) { 18565942Sgibbs printf("ahc_attach: Unable to attach second " 18665942Sgibbs "bus due to resource shortage"); 18765942Sgibbs goto fail; 18865942Sgibbs } 18965942Sgibbs 19065942Sgibbs if (xpt_bus_register(sim2, bus_id2) != CAM_SUCCESS) { 19165942Sgibbs printf("ahc_attach: Unable to attach second " 19265942Sgibbs "bus due to resource shortage"); 19365942Sgibbs /* 19465942Sgibbs * We do not want to destroy the device queue 19565942Sgibbs * because the first bus is using it. 19665942Sgibbs */ 19765942Sgibbs cam_sim_free(sim2, /*free_devq*/FALSE); 19865942Sgibbs goto fail; 19965942Sgibbs } 20065942Sgibbs 20165942Sgibbs if (xpt_create_path(&path2, /*periph*/NULL, 20265942Sgibbs cam_sim_path(sim2), 20365942Sgibbs CAM_TARGET_WILDCARD, 20465942Sgibbs CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 20565942Sgibbs xpt_bus_deregister(cam_sim_path(sim2)); 20665942Sgibbs cam_sim_free(sim2, /*free_devq*/FALSE); 20765942Sgibbs sim2 = NULL; 20865942Sgibbs goto fail; 20965942Sgibbs } 21065942Sgibbs xpt_setup_ccb(&csa.ccb_h, path2, /*priority*/5); 21165942Sgibbs csa.ccb_h.func_code = XPT_SASYNC_CB; 21265942Sgibbs csa.event_enable = AC_LOST_DEVICE; 21365942Sgibbs csa.callback = ahc_async; 21465942Sgibbs csa.callback_arg = sim2; 21565942Sgibbs xpt_action((union ccb *)&csa); 21665942Sgibbs count++; 21765942Sgibbs } 21865942Sgibbs 21965942Sgibbsfail: 22065942Sgibbs if ((ahc->flags & AHC_CHANNEL_B_PRIMARY) != 0) { 22165942Sgibbs ahc->platform_data->sim_b = sim; 22265942Sgibbs ahc->platform_data->path_b = path; 22365942Sgibbs ahc->platform_data->sim = sim2; 22465942Sgibbs ahc->platform_data->path = path2; 22565942Sgibbs } else { 22665942Sgibbs ahc->platform_data->sim = sim; 22765942Sgibbs ahc->platform_data->path = path; 22865942Sgibbs ahc->platform_data->sim_b = sim2; 22965942Sgibbs ahc->platform_data->path_b = path2; 23065942Sgibbs } 23165942Sgibbs ahc_unlock(ahc, &s); 23265942Sgibbs 23365942Sgibbs if (count != 0) 23465942Sgibbs /* We have to wait until after any system dumps... */ 23565942Sgibbs EVENTHANDLER_REGISTER(shutdown_final, ahc_shutdown, 23665942Sgibbs ahc, SHUTDOWN_PRI_DEFAULT); 23765942Sgibbs 23865942Sgibbs return (count); 23965942Sgibbs} 24065942Sgibbs 24165942Sgibbs/* 24265942Sgibbs * Catch an interrupt from the adapter 24365942Sgibbs */ 24465942Sgibbsvoid 24565942Sgibbsahc_freebsd_intr(void *arg) 24665942Sgibbs{ 24765942Sgibbs struct ahc_softc *ahc; 24865942Sgibbs 24965942Sgibbs ahc = (struct ahc_softc *)arg; 25065942Sgibbs ahc_intr(ahc); 25165942Sgibbs} 25265942Sgibbs 25365942Sgibbs/* 25465942Sgibbs * We have an scb which has been processed by the 25565942Sgibbs * adaptor, now we look to see how the operation 25665942Sgibbs * went. 25765942Sgibbs */ 25865942Sgibbsvoid 25965942Sgibbsahc_done(struct ahc_softc *ahc, struct scb *scb) 26065942Sgibbs{ 26165942Sgibbs union ccb *ccb; 26265942Sgibbs 26365942Sgibbs CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, 26465942Sgibbs ("ahc_done - scb %d\n", scb->hscb->tag)); 26565942Sgibbs 26665942Sgibbs ccb = scb->io_ctx; 26765942Sgibbs LIST_REMOVE(scb, pending_links); 26865942Sgibbs if (ccb->ccb_h.func_code == XPT_SCSI_IO 26965942Sgibbs && ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0 27065942Sgibbs || ccb->csio.tag_action == CAM_TAG_ACTION_NONE) 27165942Sgibbs && (ahc->features & AHC_SCB_BTT) == 0) { 27265942Sgibbs struct scb_tailq *untagged_q; 27365942Sgibbs 27465942Sgibbs untagged_q = &ahc->untagged_queues[ccb->ccb_h.target_id]; 27565942Sgibbs TAILQ_REMOVE(untagged_q, scb, links.tqe); 27665942Sgibbs ahc_run_untagged_queue(ahc, untagged_q); 27765942Sgibbs } 27865942Sgibbs 27965942Sgibbs untimeout(ahc_timeout, (caddr_t)scb, ccb->ccb_h.timeout_ch); 28065942Sgibbs 28165942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 28265942Sgibbs bus_dmasync_op_t op; 28365942Sgibbs 28465942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 28565942Sgibbs op = BUS_DMASYNC_POSTREAD; 28665942Sgibbs else 28765942Sgibbs op = BUS_DMASYNC_POSTWRITE; 28865942Sgibbs bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 28965942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 29065942Sgibbs } 29165942Sgibbs 29265942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 29365942Sgibbs if (ahc_get_transaction_status(scb) == CAM_REQ_INPROG) 29465942Sgibbs ccb->ccb_h.status |= CAM_REQ_CMP; 29565942Sgibbs ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 29665942Sgibbs ahc_free_scb(ahc, scb); 29765942Sgibbs xpt_done(ccb); 29865942Sgibbs return; 29965942Sgibbs } 30065942Sgibbs 30165942Sgibbs /* 30265942Sgibbs * If the recovery SCB completes, we have to be 30365942Sgibbs * out of our timeout. 30465942Sgibbs */ 30565942Sgibbs if ((scb->flags & SCB_RECOVERY_SCB) != 0) { 30665942Sgibbs struct scb *list_scb; 30765942Sgibbs 30865942Sgibbs /* 30965942Sgibbs * We were able to complete the command successfully, 31065942Sgibbs * so reinstate the timeouts for all other pending 31165942Sgibbs * commands. 31265942Sgibbs */ 31365942Sgibbs LIST_FOREACH(list_scb, &ahc->pending_scbs, pending_links) { 31465942Sgibbs union ccb *ccb; 31565942Sgibbs 31665942Sgibbs ccb = list_scb->io_ctx; 31765942Sgibbs ccb->ccb_h.timeout_ch = 31865942Sgibbs timeout(ahc_timeout, list_scb, 31965942Sgibbs (ccb->ccb_h.timeout * hz)/1000); 32065942Sgibbs } 32165942Sgibbs 32265942Sgibbs /* 32365942Sgibbs * Ensure that we didn't put a second instance of this 32465942Sgibbs * SCB into the QINFIFO. 32565942Sgibbs */ 32665942Sgibbs ahc_search_qinfifo(ahc, SCB_GET_TARGET(ahc, scb), 32765942Sgibbs SCB_GET_CHANNEL(ahc, scb), 32865942Sgibbs SCB_GET_LUN(scb), scb->hscb->tag, 32965942Sgibbs ROLE_INITIATOR, /*status*/0, 33065942Sgibbs SEARCH_REMOVE); 33165942Sgibbs if (ahc_get_transaction_status(scb) == CAM_BDR_SENT 33265942Sgibbs || ahc_get_transaction_status(scb) == CAM_REQ_ABORTED) 33365942Sgibbs ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT); 33465942Sgibbs ahc_print_path(ahc, scb); 33565942Sgibbs printf("no longer in timeout, status = %x\n", 33665942Sgibbs ccb->ccb_h.status); 33765942Sgibbs } 33865942Sgibbs 33965942Sgibbs /* Don't clobber any existing error state */ 34065942Sgibbs if (ahc_get_transaction_status(scb) == CAM_REQ_INPROG) { 34165942Sgibbs ccb->ccb_h.status |= CAM_REQ_CMP; 34265942Sgibbs } else if ((scb->flags & SCB_SENSE) != 0) { 34365942Sgibbs /* 34465942Sgibbs * We performed autosense retrieval. 34565942Sgibbs * 34665942Sgibbs * Zero any sense not transferred by the 34765942Sgibbs * device. The SCSI spec mandates that any 34865942Sgibbs * untransfered data should be assumed to be 34965942Sgibbs * zero. Complete the 'bounce' of sense information 35065942Sgibbs * through buffers accessible via bus-space by 35165942Sgibbs * copying it into the clients csio. 35265942Sgibbs */ 35365942Sgibbs memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 35465942Sgibbs memcpy(&ccb->csio.sense_data, 35565942Sgibbs &ahc->scb_data->sense[scb->hscb->tag], 35665942Sgibbs (scb->sg_list->len & AHC_SG_LEN_MASK) 35765942Sgibbs - ccb->csio.sense_resid); 35865942Sgibbs scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 35965942Sgibbs } 36065942Sgibbs ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 36165942Sgibbs ahc_free_scb(ahc, scb); 36265942Sgibbs xpt_done(ccb); 36365942Sgibbs} 36465942Sgibbs 36565942Sgibbsstatic void 36665942Sgibbsahc_action(struct cam_sim *sim, union ccb *ccb) 36765942Sgibbs{ 36865942Sgibbs struct ahc_softc *ahc; 36965942Sgibbs struct tmode_lstate *lstate; 37065942Sgibbs u_int target_id; 37165942Sgibbs u_int our_id; 37265942Sgibbs long s; 37365942Sgibbs 37465942Sgibbs CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahc_action\n")); 37565942Sgibbs 37665942Sgibbs ahc = (struct ahc_softc *)cam_sim_softc(sim); 37765942Sgibbs 37865942Sgibbs target_id = ccb->ccb_h.target_id; 37965942Sgibbs our_id = SIM_SCSI_ID(ahc, sim); 38065942Sgibbs 38165942Sgibbs switch (ccb->ccb_h.func_code) { 38265942Sgibbs /* Common cases first */ 38365942Sgibbs case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 38465942Sgibbs case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ 38565942Sgibbs { 38665942Sgibbs struct tmode_tstate *tstate; 38765942Sgibbs cam_status status; 38865942Sgibbs 38965942Sgibbs status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 39065942Sgibbs &lstate, TRUE); 39165942Sgibbs 39265942Sgibbs if (status != CAM_REQ_CMP) { 39365942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 39465942Sgibbs /* Response from the black hole device */ 39565942Sgibbs tstate = NULL; 39665942Sgibbs lstate = ahc->black_hole; 39765942Sgibbs } else { 39865942Sgibbs ccb->ccb_h.status = status; 39965942Sgibbs xpt_done(ccb); 40065942Sgibbs break; 40165942Sgibbs } 40265942Sgibbs } 40365942Sgibbs if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 40465942Sgibbs 40565942Sgibbs ahc_lock(ahc, &s); 40665942Sgibbs SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, 40765942Sgibbs sim_links.sle); 40865942Sgibbs ccb->ccb_h.status = CAM_REQ_INPROG; 40965942Sgibbs if ((ahc->flags & AHC_TQINFIFO_BLOCKED) != 0) 41065942Sgibbs ahc_run_tqinfifo(ahc, /*paused*/FALSE); 41165942Sgibbs ahc_unlock(ahc, &s); 41265942Sgibbs break; 41365942Sgibbs } 41465942Sgibbs 41565942Sgibbs /* 41665942Sgibbs * The target_id represents the target we attempt to 41765942Sgibbs * select. In target mode, this is the initiator of 41865942Sgibbs * the original command. 41965942Sgibbs */ 42065942Sgibbs our_id = target_id; 42165942Sgibbs target_id = ccb->csio.init_id; 42265942Sgibbs /* FALLTHROUGH */ 42365942Sgibbs } 42465942Sgibbs case XPT_SCSI_IO: /* Execute the requested I/O operation */ 42565942Sgibbs case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 42665942Sgibbs { 42765942Sgibbs struct scb *scb; 42865942Sgibbs struct hardware_scb *hscb; 42965942Sgibbs struct ahc_initiator_tinfo *tinfo; 43065942Sgibbs struct tmode_tstate *tstate; 43165942Sgibbs uint16_t mask; 43265942Sgibbs 43365942Sgibbs /* 43465942Sgibbs * get an scb to use. 43565942Sgibbs */ 43665942Sgibbs if ((scb = ahc_get_scb(ahc)) == NULL) { 43765942Sgibbs 43865942Sgibbs ahc_lock(ahc, &s); 43965942Sgibbs ahc->flags |= AHC_RESOURCE_SHORTAGE; 44065942Sgibbs ahc_unlock(ahc, &s); 44165942Sgibbs xpt_freeze_simq(sim, /*count*/1); 44266510Sgibbs ccb->ccb_h.status = CAM_REQUEUE_REQ; 44365942Sgibbs xpt_done(ccb); 44465942Sgibbs return; 44565942Sgibbs } 44665942Sgibbs 44765942Sgibbs hscb = scb->hscb; 44865942Sgibbs 44965942Sgibbs CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, 45065942Sgibbs ("start scb(%p)\n", scb)); 45165942Sgibbs scb->io_ctx = ccb; 45265942Sgibbs /* 45365942Sgibbs * So we can find the SCB when an abort is requested 45465942Sgibbs */ 45565942Sgibbs ccb->ccb_h.ccb_scb_ptr = scb; 45665942Sgibbs ccb->ccb_h.ccb_ahc_ptr = ahc; 45765942Sgibbs 45865942Sgibbs /* 45965942Sgibbs * Put all the arguments for the xfer in the scb 46065942Sgibbs */ 46165942Sgibbs hscb->control = 0; 46265942Sgibbs hscb->scsiid = BUILD_SCSIID(ahc, sim, target_id, our_id); 46365942Sgibbs hscb->lun = ccb->ccb_h.target_lun; 46465942Sgibbs mask = SCB_GET_TARGET_MASK(ahc, scb); 46565942Sgibbs tinfo = ahc_fetch_transinfo(ahc, SIM_CHANNEL(ahc, sim), our_id, 46665942Sgibbs target_id, &tstate); 46765942Sgibbs 46865942Sgibbs hscb->scsirate = tinfo->scsirate; 46965942Sgibbs hscb->scsioffset = tinfo->current.offset; 47065942Sgibbs if ((tstate->ultraenb & mask) != 0) 47165942Sgibbs hscb->control |= ULTRAENB; 47265942Sgibbs 47365942Sgibbs if ((tstate->discenable & mask) != 0 47465942Sgibbs && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) 47565942Sgibbs hscb->control |= DISCENB; 47665942Sgibbs 47765942Sgibbs if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 47865942Sgibbs && (tinfo->current.width != 0 || tinfo->current.period != 0)) { 47965942Sgibbs scb->flags |= SCB_NEGOTIATE; 48065942Sgibbs hscb->control |= MK_MESSAGE; 48165942Sgibbs } 48265942Sgibbs 48365942Sgibbs if (ccb->ccb_h.func_code == XPT_RESET_DEV) { 48465942Sgibbs hscb->cdb_len = 0; 48565942Sgibbs scb->flags |= SCB_DEVICE_RESET; 48665942Sgibbs hscb->control |= MK_MESSAGE; 48765942Sgibbs ahc_execute_scb(scb, NULL, 0, 0); 48865942Sgibbs } else { 48965942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 49065942Sgibbs struct target_data *tdata; 49165942Sgibbs 49265942Sgibbs tdata = &hscb->shared_data.tdata; 49365942Sgibbs if (ahc->pending_device == lstate) { 49465942Sgibbs scb->flags |= SCB_TARGET_IMMEDIATE; 49565942Sgibbs ahc->pending_device = NULL; 49665942Sgibbs } 49765942Sgibbs hscb->control |= TARGET_SCB; 49865942Sgibbs tdata->target_phases = IDENTIFY_SEEN; 49965942Sgibbs if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 50065942Sgibbs tdata->target_phases |= SPHASE_PENDING; 50165942Sgibbs tdata->scsi_status = 50265942Sgibbs ccb->csio.scsi_status; 50365942Sgibbs } 50465942Sgibbs tdata->initiator_tag = ccb->csio.tag_id; 50565942Sgibbs } 50665942Sgibbs if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) 50765942Sgibbs hscb->control |= ccb->csio.tag_action; 50865942Sgibbs 50965942Sgibbs ahc_setup_data(ahc, sim, &ccb->csio, scb); 51065942Sgibbs } 51165942Sgibbs break; 51265942Sgibbs } 51365942Sgibbs case XPT_NOTIFY_ACK: 51465942Sgibbs case XPT_IMMED_NOTIFY: 51565942Sgibbs { 51665942Sgibbs struct tmode_tstate *tstate; 51765942Sgibbs struct tmode_lstate *lstate; 51865942Sgibbs cam_status status; 51965942Sgibbs 52065942Sgibbs status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 52165942Sgibbs &lstate, TRUE); 52265942Sgibbs 52365942Sgibbs if (status != CAM_REQ_CMP) { 52465942Sgibbs ccb->ccb_h.status = status; 52565942Sgibbs xpt_done(ccb); 52665942Sgibbs break; 52765942Sgibbs } 52865942Sgibbs SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, 52965942Sgibbs sim_links.sle); 53065942Sgibbs ccb->ccb_h.status = CAM_REQ_INPROG; 53165942Sgibbs ahc_send_lstate_events(ahc, lstate); 53265942Sgibbs break; 53365942Sgibbs } 53465942Sgibbs case XPT_EN_LUN: /* Enable LUN as a target */ 53565942Sgibbs ahc_handle_en_lun(ahc, sim, ccb); 53665942Sgibbs xpt_done(ccb); 53765942Sgibbs break; 53865942Sgibbs case XPT_ABORT: /* Abort the specified CCB */ 53965942Sgibbs { 54065942Sgibbs ahc_abort_ccb(ahc, sim, ccb); 54165942Sgibbs break; 54265942Sgibbs } 54365942Sgibbs case XPT_SET_TRAN_SETTINGS: 54465942Sgibbs { 54565942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 54665942Sgibbs struct ahc_devinfo devinfo; 54765942Sgibbs struct ccb_trans_settings *cts; 54865942Sgibbs struct ccb_trans_settings_scsi *scsi; 54965942Sgibbs struct ccb_trans_settings_spi *spi; 55065942Sgibbs struct ahc_initiator_tinfo *tinfo; 55165942Sgibbs struct tmode_tstate *tstate; 55265942Sgibbs uint16_t *discenable; 55365942Sgibbs uint16_t *tagenable; 55465942Sgibbs u_int update_type; 55565942Sgibbs 55665942Sgibbs cts = &ccb->cts; 55765942Sgibbs scsi = &cts->proto_specific.scsi; 55865942Sgibbs spi = &cts->xport_specific.spi; 55965942Sgibbs ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 56065942Sgibbs cts->ccb_h.target_id, 56165942Sgibbs cts->ccb_h.target_lun, 56265942Sgibbs SIM_CHANNEL(ahc, sim), 56365942Sgibbs ROLE_UNKNOWN); 56465942Sgibbs tinfo = ahc_fetch_transinfo(ahc, devinfo.channel, 56565942Sgibbs devinfo.our_scsiid, 56665942Sgibbs devinfo.target, &tstate); 56765942Sgibbs update_type = 0; 56865942Sgibbs if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 56965942Sgibbs update_type |= AHC_TRANS_GOAL; 57065942Sgibbs discenable = &tstate->discenable; 57165942Sgibbs tagenable = &tstate->tagenable; 57265942Sgibbs tinfo->current.protocol_version = 57365942Sgibbs cts->protocol_version; 57465942Sgibbs tinfo->current.transport_version = 57565942Sgibbs cts->transport_version; 57665942Sgibbs tinfo->goal.protocol_version = 57765942Sgibbs cts->protocol_version; 57865942Sgibbs tinfo->goal.transport_version = 57965942Sgibbs cts->transport_version; 58065942Sgibbs } else if (cts->type == CTS_TYPE_USER_SETTINGS) { 58165942Sgibbs update_type |= AHC_TRANS_USER; 58265942Sgibbs discenable = &ahc->user_discenable; 58365942Sgibbs tagenable = &ahc->user_tagenable; 58465942Sgibbs tinfo->user.protocol_version = 58565942Sgibbs cts->protocol_version; 58665942Sgibbs tinfo->user.transport_version = 58765942Sgibbs cts->transport_version; 58865942Sgibbs } else { 58965942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 59065942Sgibbs xpt_done(ccb); 59165942Sgibbs break; 59265942Sgibbs } 59365942Sgibbs 59465942Sgibbs ahc_lock(ahc, &s); 59565942Sgibbs 59665942Sgibbs if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 59765942Sgibbs if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 59865942Sgibbs *discenable |= devinfo.target_mask; 59965942Sgibbs else 60065942Sgibbs *discenable &= ~devinfo.target_mask; 60165942Sgibbs } 60265942Sgibbs 60365942Sgibbs if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 60465942Sgibbs if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 60565942Sgibbs *tagenable |= devinfo.target_mask; 60665942Sgibbs else 60765942Sgibbs *tagenable &= ~devinfo.target_mask; 60865942Sgibbs } 60965942Sgibbs 61065942Sgibbs if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 61165942Sgibbs ahc_validate_width(ahc, &spi->bus_width); 61265942Sgibbs ahc_set_width(ahc, &devinfo, spi->bus_width, 61365942Sgibbs update_type, /*paused*/FALSE); 61465942Sgibbs } 61565942Sgibbs 61665942Sgibbs if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { 61765942Sgibbs if (update_type == AHC_TRANS_USER) 61865942Sgibbs spi->ppr_options = tinfo->user.ppr_options; 61965942Sgibbs else 62065942Sgibbs spi->ppr_options = tinfo->goal.ppr_options; 62165942Sgibbs } 62265942Sgibbs 62365942Sgibbs if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { 62465942Sgibbs if (update_type == AHC_TRANS_USER) 62565942Sgibbs spi->sync_offset = tinfo->user.offset; 62665942Sgibbs else 62765942Sgibbs spi->sync_offset = tinfo->goal.offset; 62865942Sgibbs } 62965942Sgibbs 63065942Sgibbs if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 63165942Sgibbs if (update_type == AHC_TRANS_USER) 63265942Sgibbs spi->sync_period = tinfo->user.period; 63365942Sgibbs else 63465942Sgibbs spi->sync_period = tinfo->goal.period; 63565942Sgibbs } 63665942Sgibbs 63765942Sgibbs if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) 63865942Sgibbs || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { 63965942Sgibbs struct ahc_syncrate *syncrate; 64065942Sgibbs u_int maxsync; 64165942Sgibbs 64265942Sgibbs if ((ahc->features & AHC_ULTRA2) != 0) 64365942Sgibbs maxsync = AHC_SYNCRATE_DT; 64465942Sgibbs else if ((ahc->features & AHC_ULTRA) != 0) 64565942Sgibbs maxsync = AHC_SYNCRATE_ULTRA; 64665942Sgibbs else 64765942Sgibbs maxsync = AHC_SYNCRATE_FAST; 64865942Sgibbs 64965942Sgibbs syncrate = ahc_find_syncrate(ahc, &spi->sync_period, 65065942Sgibbs &spi->ppr_options, 65165942Sgibbs maxsync); 65265942Sgibbs ahc_validate_offset(ahc, syncrate, &spi->sync_offset, 65365942Sgibbs spi->bus_width); 65465942Sgibbs 65565942Sgibbs /* We use a period of 0 to represent async */ 65665942Sgibbs if (spi->sync_offset == 0) { 65765942Sgibbs spi->sync_period = 0; 65865942Sgibbs spi->ppr_options = 0; 65965942Sgibbs } 66065942Sgibbs 66165942Sgibbs ahc_set_syncrate(ahc, &devinfo, syncrate, 66265942Sgibbs spi->sync_period, spi->sync_offset, 66365942Sgibbs spi->ppr_options, update_type, 66465942Sgibbs /*paused*/FALSE); 66565942Sgibbs } 66665942Sgibbs ahc_unlock(ahc, &s); 66765942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 66865942Sgibbs xpt_done(ccb); 66965942Sgibbs#else 67065942Sgibbs struct ahc_devinfo devinfo; 67165942Sgibbs struct ccb_trans_settings *cts; 67265942Sgibbs struct ahc_initiator_tinfo *tinfo; 67365942Sgibbs struct tmode_tstate *tstate; 67465942Sgibbs uint16_t *discenable; 67565942Sgibbs uint16_t *tagenable; 67665942Sgibbs u_int update_type; 67765942Sgibbs long s; 67865942Sgibbs 67965942Sgibbs cts = &ccb->cts; 68065942Sgibbs ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 68165942Sgibbs cts->ccb_h.target_id, 68265942Sgibbs cts->ccb_h.target_lun, 68365942Sgibbs SIM_CHANNEL(ahc, sim), 68465942Sgibbs ROLE_UNKNOWN); 68565942Sgibbs tinfo = ahc_fetch_transinfo(ahc, devinfo.channel, 68665942Sgibbs devinfo.our_scsiid, 68765942Sgibbs devinfo.target, &tstate); 68865942Sgibbs update_type = 0; 68965942Sgibbs if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) { 69065942Sgibbs update_type |= AHC_TRANS_GOAL; 69165942Sgibbs discenable = &tstate->discenable; 69265942Sgibbs tagenable = &tstate->tagenable; 69365942Sgibbs } else if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) { 69465942Sgibbs update_type |= AHC_TRANS_USER; 69565942Sgibbs discenable = &ahc->user_discenable; 69665942Sgibbs tagenable = &ahc->user_tagenable; 69765942Sgibbs } else { 69865942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 69965942Sgibbs xpt_done(ccb); 70065942Sgibbs break; 70165942Sgibbs } 70265942Sgibbs 70365942Sgibbs ahc_lock(ahc, &s); 70465942Sgibbs 70565942Sgibbs if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) { 70665942Sgibbs if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) 70765942Sgibbs *discenable |= devinfo.target_mask; 70865942Sgibbs else 70965942Sgibbs *discenable &= ~devinfo.target_mask; 71065942Sgibbs } 71165942Sgibbs 71265942Sgibbs if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) { 71365942Sgibbs if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) 71465942Sgibbs *tagenable |= devinfo.target_mask; 71565942Sgibbs else 71665942Sgibbs *tagenable &= ~devinfo.target_mask; 71765942Sgibbs } 71865942Sgibbs 71965942Sgibbs if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) { 72065942Sgibbs ahc_validate_width(ahc, &cts->bus_width); 72165942Sgibbs ahc_set_width(ahc, &devinfo, cts->bus_width, 72265942Sgibbs update_type, /*paused*/FALSE); 72365942Sgibbs } 72465942Sgibbs 72565942Sgibbs if ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) == 0) { 72665942Sgibbs if (update_type == AHC_TRANS_USER) 72765942Sgibbs cts->sync_offset = tinfo->user.offset; 72865942Sgibbs else 72965942Sgibbs cts->sync_offset = tinfo->goal.offset; 73065942Sgibbs } 73165942Sgibbs 73265942Sgibbs if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) == 0) { 73365942Sgibbs if (update_type == AHC_TRANS_USER) 73465942Sgibbs cts->sync_period = tinfo->user.period; 73565942Sgibbs else 73665942Sgibbs cts->sync_period = tinfo->goal.period; 73765942Sgibbs } 73865942Sgibbs 73965942Sgibbs if (((cts->valid & CCB_TRANS_SYNC_RATE_VALID) != 0) 74065942Sgibbs || ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) != 0)) { 74165942Sgibbs struct ahc_syncrate *syncrate; 74265942Sgibbs u_int ppr_options; 74365942Sgibbs u_int maxsync; 74465942Sgibbs 74565942Sgibbs if ((ahc->features & AHC_ULTRA2) != 0) 74665942Sgibbs maxsync = AHC_SYNCRATE_DT; 74765942Sgibbs else if ((ahc->features & AHC_ULTRA) != 0) 74865942Sgibbs maxsync = AHC_SYNCRATE_ULTRA; 74965942Sgibbs else 75065942Sgibbs maxsync = AHC_SYNCRATE_FAST; 75165942Sgibbs 75265942Sgibbs ppr_options = 0; 75365942Sgibbs if (cts->sync_period <= 9) 75465942Sgibbs ppr_options = MSG_EXT_PPR_DT_REQ; 75565942Sgibbs 75665942Sgibbs syncrate = ahc_find_syncrate(ahc, &cts->sync_period, 75765942Sgibbs &ppr_options, 75865942Sgibbs maxsync); 75965942Sgibbs ahc_validate_offset(ahc, syncrate, &cts->sync_offset, 76065942Sgibbs MSG_EXT_WDTR_BUS_8_BIT); 76165942Sgibbs 76265942Sgibbs /* We use a period of 0 to represent async */ 76365942Sgibbs if (cts->sync_offset == 0) { 76465942Sgibbs cts->sync_period = 0; 76565942Sgibbs ppr_options = 0; 76665942Sgibbs } 76765942Sgibbs 76865942Sgibbs if (ppr_options == MSG_EXT_PPR_DT_REQ 76965942Sgibbs && tinfo->user.transport_version >= 3) { 77065942Sgibbs tinfo->goal.transport_version = 77165942Sgibbs tinfo->user.transport_version; 77265942Sgibbs tinfo->current.transport_version = 77365942Sgibbs tinfo->user.transport_version; 77465942Sgibbs } 77565942Sgibbs 77665942Sgibbs ahc_set_syncrate(ahc, &devinfo, syncrate, 77765942Sgibbs cts->sync_period, cts->sync_offset, 77865942Sgibbs ppr_options, update_type, 77965942Sgibbs /*paused*/FALSE); 78065942Sgibbs } 78165942Sgibbs ahc_unlock(ahc, &s); 78265942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 78365942Sgibbs xpt_done(ccb); 78465942Sgibbs#endif 78565942Sgibbs break; 78665942Sgibbs } 78765942Sgibbs case XPT_GET_TRAN_SETTINGS: 78865942Sgibbs /* Get default/user set transfer settings for the target */ 78965942Sgibbs { 79065942Sgibbs 79165942Sgibbs ahc_lock(ahc, &s); 79265942Sgibbs ahc_get_tran_settings(ahc, SIM_SCSI_ID(ahc, sim), 79365942Sgibbs SIM_CHANNEL(ahc, sim), &ccb->cts); 79465942Sgibbs ahc_unlock(ahc, &s); 79565942Sgibbs xpt_done(ccb); 79665942Sgibbs break; 79765942Sgibbs } 79865942Sgibbs case XPT_CALC_GEOMETRY: 79965942Sgibbs { 80065942Sgibbs struct ccb_calc_geometry *ccg; 80165942Sgibbs uint32_t size_mb; 80265942Sgibbs uint32_t secs_per_cylinder; 80365942Sgibbs int extended; 80465942Sgibbs 80565942Sgibbs ccg = &ccb->ccg; 80665942Sgibbs size_mb = ccg->volume_size 80765942Sgibbs / ((1024L * 1024L) / ccg->block_size); 80865942Sgibbs extended = SIM_IS_SCSIBUS_B(ahc, sim) 80965942Sgibbs ? ahc->flags & AHC_EXTENDED_TRANS_B 81065942Sgibbs : ahc->flags & AHC_EXTENDED_TRANS_A; 81165942Sgibbs 81265942Sgibbs if (size_mb > 1024 && extended) { 81365942Sgibbs ccg->heads = 255; 81465942Sgibbs ccg->secs_per_track = 63; 81565942Sgibbs } else { 81665942Sgibbs ccg->heads = 64; 81765942Sgibbs ccg->secs_per_track = 32; 81865942Sgibbs } 81965942Sgibbs secs_per_cylinder = ccg->heads * ccg->secs_per_track; 82065942Sgibbs ccg->cylinders = ccg->volume_size / secs_per_cylinder; 82165942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 82265942Sgibbs xpt_done(ccb); 82365942Sgibbs break; 82465942Sgibbs } 82565942Sgibbs case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 82665942Sgibbs { 82765942Sgibbs int found; 82865942Sgibbs 82965942Sgibbs ahc_lock(ahc, &s); 83065942Sgibbs found = ahc_reset_channel(ahc, SIM_CHANNEL(ahc, sim), 83165942Sgibbs /*initiate reset*/TRUE); 83265942Sgibbs ahc_unlock(ahc, &s); 83365942Sgibbs if (bootverbose) { 83465942Sgibbs xpt_print_path(SIM_PATH(ahc, sim)); 83565942Sgibbs printf("SCSI bus reset delivered. " 83665942Sgibbs "%d SCBs aborted.\n", found); 83765942Sgibbs } 83865942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 83965942Sgibbs xpt_done(ccb); 84065942Sgibbs break; 84165942Sgibbs } 84265942Sgibbs case XPT_TERM_IO: /* Terminate the I/O process */ 84365942Sgibbs /* XXX Implement */ 84465942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 84565942Sgibbs xpt_done(ccb); 84665942Sgibbs break; 84765942Sgibbs case XPT_PATH_INQ: /* Path routing inquiry */ 84865942Sgibbs { 84965942Sgibbs struct ccb_pathinq *cpi = &ccb->cpi; 85065942Sgibbs 85165942Sgibbs cpi->version_num = 1; /* XXX??? */ 85265942Sgibbs cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 85365942Sgibbs if ((ahc->features & AHC_WIDE) != 0) 85465942Sgibbs cpi->hba_inquiry |= PI_WIDE_16; 85565942Sgibbs if ((ahc->flags & AHC_TARGETMODE) != 0) { 85665942Sgibbs cpi->target_sprt = PIT_PROCESSOR 85765942Sgibbs | PIT_DISCONNECT 85865942Sgibbs | PIT_TERM_IO; 85965942Sgibbs } else { 86065942Sgibbs cpi->target_sprt = 0; 86165942Sgibbs } 86265942Sgibbs cpi->hba_misc = (ahc->flags & AHC_INITIATORMODE) 86365942Sgibbs ? 0 : PIM_NOINITIATOR; 86465942Sgibbs cpi->hba_eng_cnt = 0; 86565942Sgibbs cpi->max_target = (ahc->features & AHC_WIDE) ? 15 : 7; 86665942Sgibbs cpi->max_lun = 64; 86765942Sgibbs if (SIM_IS_SCSIBUS_B(ahc, sim)) { 86865942Sgibbs cpi->initiator_id = ahc->our_id_b; 86965942Sgibbs if ((ahc->flags & AHC_RESET_BUS_B) == 0) 87065942Sgibbs cpi->hba_misc |= PIM_NOBUSRESET; 87165942Sgibbs } else { 87265942Sgibbs cpi->initiator_id = ahc->our_id; 87365942Sgibbs if ((ahc->flags & AHC_RESET_BUS_A) == 0) 87465942Sgibbs cpi->hba_misc |= PIM_NOBUSRESET; 87565942Sgibbs } 87665942Sgibbs cpi->bus_id = cam_sim_bus(sim); 87765942Sgibbs cpi->base_transfer_speed = 3300; 87865942Sgibbs strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 87965942Sgibbs strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 88065942Sgibbs strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 88165942Sgibbs cpi->unit_number = cam_sim_unit(sim); 88265942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 88365942Sgibbs cpi->protocol = PROTO_SCSI; 88465942Sgibbs cpi->protocol_version = SCSI_REV_2; 88565942Sgibbs cpi->transport = XPORT_SPI; 88665942Sgibbs cpi->transport_version = 2; 88765942Sgibbs cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST; 88865942Sgibbs if ((ahc->features & AHC_DT) != 0) { 88965942Sgibbs cpi->transport_version = 3; 89065942Sgibbs cpi->xport_specific.spi.ppr_options = 89165942Sgibbs SID_SPI_CLOCK_DT_ST; 89265942Sgibbs } 89365942Sgibbs#endif 89465942Sgibbs cpi->ccb_h.status = CAM_REQ_CMP; 89565942Sgibbs xpt_done(ccb); 89665942Sgibbs break; 89765942Sgibbs } 89865942Sgibbs default: 89965942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 90065942Sgibbs xpt_done(ccb); 90165942Sgibbs break; 90265942Sgibbs } 90365942Sgibbs} 90465942Sgibbs 90565942Sgibbsstatic void 90665942Sgibbsahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel, 90765942Sgibbs struct ccb_trans_settings *cts) 90865942Sgibbs{ 90965942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 91065942Sgibbs struct ahc_devinfo devinfo; 91165942Sgibbs struct ccb_trans_settings_scsi *scsi; 91265942Sgibbs struct ccb_trans_settings_spi *spi; 91365942Sgibbs struct ahc_initiator_tinfo *targ_info; 91465942Sgibbs struct tmode_tstate *tstate; 91565942Sgibbs struct ahc_transinfo *tinfo; 91665942Sgibbs 91765942Sgibbs scsi = &cts->proto_specific.scsi; 91865942Sgibbs spi = &cts->xport_specific.spi; 91965942Sgibbs ahc_compile_devinfo(&devinfo, our_id, 92065942Sgibbs cts->ccb_h.target_id, 92165942Sgibbs cts->ccb_h.target_lun, 92265942Sgibbs channel, ROLE_UNKNOWN); 92365942Sgibbs targ_info = ahc_fetch_transinfo(ahc, devinfo.channel, 92465942Sgibbs devinfo.our_scsiid, 92565942Sgibbs devinfo.target, &tstate); 92665942Sgibbs 92765942Sgibbs if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 92865942Sgibbs tinfo = &targ_info->current; 92965942Sgibbs else 93065942Sgibbs tinfo = &targ_info->user; 93165942Sgibbs 93265942Sgibbs scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 93365942Sgibbs spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 93465942Sgibbs if (cts->type == CTS_TYPE_USER_SETTINGS) { 93565942Sgibbs if ((ahc->user_discenable & devinfo.target_mask) != 0) 93665942Sgibbs spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 93765942Sgibbs 93865942Sgibbs if ((ahc->user_tagenable & devinfo.target_mask) != 0) 93965942Sgibbs scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 94065942Sgibbs } else { 94165942Sgibbs if ((tstate->discenable & devinfo.target_mask) != 0) 94265942Sgibbs spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 94365942Sgibbs 94465942Sgibbs if ((tstate->tagenable & devinfo.target_mask) != 0) 94565942Sgibbs scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 94665942Sgibbs } 94765942Sgibbs cts->protocol_version = tinfo->protocol_version; 94865942Sgibbs cts->transport_version = tinfo->transport_version; 94965942Sgibbs 95065942Sgibbs spi->sync_period = tinfo->period; 95165942Sgibbs spi->sync_offset = tinfo->offset; 95265942Sgibbs spi->bus_width = tinfo->width; 95365942Sgibbs spi->ppr_options = tinfo->ppr_options; 95465942Sgibbs 95565942Sgibbs cts->protocol = PROTO_SCSI; 95665942Sgibbs cts->transport = XPORT_SPI; 95765942Sgibbs scsi->valid = CTS_SCSI_VALID_TQ; 95865942Sgibbs spi->valid = CTS_SPI_VALID_SYNC_RATE 95965942Sgibbs | CTS_SPI_VALID_SYNC_OFFSET 96065942Sgibbs | CTS_SPI_VALID_BUS_WIDTH 96165942Sgibbs | CTS_SPI_VALID_DISC 96265942Sgibbs | CTS_SPI_VALID_PPR_OPTIONS; 96365942Sgibbs 96465942Sgibbs cts->ccb_h.status = CAM_REQ_CMP; 96565942Sgibbs#else 96665942Sgibbs struct ahc_devinfo devinfo; 96765942Sgibbs struct ahc_initiator_tinfo *targ_info; 96865942Sgibbs struct tmode_tstate *tstate; 96965942Sgibbs struct ahc_transinfo *tinfo; 97065942Sgibbs long s; 97165942Sgibbs 97265942Sgibbs ahc_compile_devinfo(&devinfo, our_id, 97365942Sgibbs cts->ccb_h.target_id, 97465942Sgibbs cts->ccb_h.target_lun, 97565942Sgibbs channel, ROLE_UNKNOWN); 97665942Sgibbs targ_info = ahc_fetch_transinfo(ahc, devinfo.channel, 97765942Sgibbs devinfo.our_scsiid, 97865942Sgibbs devinfo.target, &tstate); 97965942Sgibbs 98065942Sgibbs if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) 98165942Sgibbs tinfo = &targ_info->current; 98265942Sgibbs else 98365942Sgibbs tinfo = &targ_info->user; 98465942Sgibbs 98565942Sgibbs ahc_lock(ahc, &s); 98665942Sgibbs 98765942Sgibbs cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); 98865942Sgibbs if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) { 98965942Sgibbs if ((ahc->user_discenable & devinfo.target_mask) != 0) 99065942Sgibbs cts->flags |= CCB_TRANS_DISC_ENB; 99165942Sgibbs 99265942Sgibbs if ((ahc->user_tagenable & devinfo.target_mask) != 0) 99365942Sgibbs cts->flags |= CCB_TRANS_TAG_ENB; 99465942Sgibbs } else { 99565942Sgibbs if ((tstate->discenable & devinfo.target_mask) != 0) 99665942Sgibbs cts->flags |= CCB_TRANS_DISC_ENB; 99765942Sgibbs 99865942Sgibbs if ((tstate->tagenable & devinfo.target_mask) != 0) 99965942Sgibbs cts->flags |= CCB_TRANS_TAG_ENB; 100065942Sgibbs } 100165942Sgibbs cts->sync_period = tinfo->period; 100265942Sgibbs cts->sync_offset = tinfo->offset; 100365942Sgibbs cts->bus_width = tinfo->width; 100465942Sgibbs 100565942Sgibbs ahc_unlock(ahc, &s); 100665942Sgibbs 100765942Sgibbs cts->valid = CCB_TRANS_SYNC_RATE_VALID 100865942Sgibbs | CCB_TRANS_SYNC_OFFSET_VALID 100965942Sgibbs | CCB_TRANS_BUS_WIDTH_VALID 101065942Sgibbs | CCB_TRANS_DISC_VALID 101165942Sgibbs | CCB_TRANS_TQ_VALID; 101265942Sgibbs 101365942Sgibbs cts->ccb_h.status = CAM_REQ_CMP; 101465942Sgibbs#endif 101565942Sgibbs} 101665942Sgibbs 101765942Sgibbsstatic void 101865942Sgibbsahc_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 101965942Sgibbs{ 102065942Sgibbs struct ahc_softc *ahc; 102165942Sgibbs struct cam_sim *sim; 102265942Sgibbs 102365942Sgibbs sim = (struct cam_sim *)callback_arg; 102465942Sgibbs ahc = (struct ahc_softc *)cam_sim_softc(sim); 102565942Sgibbs switch (code) { 102665942Sgibbs case AC_LOST_DEVICE: 102765942Sgibbs { 102865942Sgibbs struct ahc_devinfo devinfo; 102965942Sgibbs long s; 103065942Sgibbs 103165942Sgibbs ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 103265942Sgibbs xpt_path_target_id(path), 103365942Sgibbs xpt_path_lun_id(path), 103465942Sgibbs SIM_CHANNEL(ahc, sim), 103565942Sgibbs ROLE_UNKNOWN); 103665942Sgibbs 103765942Sgibbs /* 103865942Sgibbs * Revert to async/narrow transfers 103965942Sgibbs * for the next device. 104065942Sgibbs */ 104165942Sgibbs ahc_lock(ahc, &s); 104265942Sgibbs ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, 104365942Sgibbs AHC_TRANS_GOAL|AHC_TRANS_CUR, /*paused*/FALSE); 104465942Sgibbs ahc_set_syncrate(ahc, &devinfo, /*syncrate*/NULL, 104565942Sgibbs /*period*/0, /*offset*/0, /*ppr_options*/0, 104665942Sgibbs AHC_TRANS_GOAL|AHC_TRANS_CUR, 104765942Sgibbs /*paused*/FALSE); 104865942Sgibbs ahc_unlock(ahc, &s); 104965942Sgibbs break; 105065942Sgibbs } 105165942Sgibbs default: 105265942Sgibbs break; 105365942Sgibbs } 105465942Sgibbs} 105565942Sgibbs 105665942Sgibbsstatic void 105765942Sgibbsahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, 105865942Sgibbs int error) 105965942Sgibbs{ 106065942Sgibbs struct scb *scb; 106165942Sgibbs union ccb *ccb; 106265942Sgibbs struct ahc_softc *ahc; 106365942Sgibbs long s; 106465942Sgibbs 106565942Sgibbs scb = (struct scb *)arg; 106665942Sgibbs ccb = scb->io_ctx; 106765942Sgibbs ahc = (struct ahc_softc *)ccb->ccb_h.ccb_ahc_ptr; 106865942Sgibbs 106965942Sgibbs if (error != 0) { 107065942Sgibbs if (error == EFBIG) 107165942Sgibbs ahc_set_transaction_status(scb, CAM_REQ_TOO_BIG); 107265942Sgibbs else 107365942Sgibbs ahc_set_transaction_status(scb, CAM_REQ_CMP_ERR); 107465942Sgibbs if (nsegments != 0) 107565942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 107665942Sgibbs ahc_free_scb(ahc, scb); 107765942Sgibbs xpt_done(ccb); 107865942Sgibbs return; 107965942Sgibbs } 108065942Sgibbs if (nsegments != 0) { 108165942Sgibbs struct ahc_dma_seg *sg; 108265942Sgibbs bus_dma_segment_t *end_seg; 108365942Sgibbs bus_dmasync_op_t op; 108465942Sgibbs 108565942Sgibbs end_seg = dm_segs + nsegments; 108665942Sgibbs 108765942Sgibbs /* Copy the segments into our SG list */ 108865942Sgibbs sg = scb->sg_list; 108965942Sgibbs while (dm_segs < end_seg) { 109065942Sgibbs sg->addr = dm_segs->ds_addr; 109165942Sgibbs/* XXX Add in the 5th byte of the address later. */ 109265942Sgibbs sg->len = dm_segs->ds_len; 109365942Sgibbs sg++; 109465942Sgibbs dm_segs++; 109565942Sgibbs } 109665942Sgibbs 109765942Sgibbs /* 109865942Sgibbs * Note where to find the SG entries in bus space. 109965942Sgibbs * We also set the full residual flag which the 110065942Sgibbs * sequencer will clear as soon as a data transfer 110165942Sgibbs * occurs. 110265942Sgibbs */ 110365942Sgibbs scb->hscb->sgptr = scb->sg_list_phys | SG_FULL_RESID; 110465942Sgibbs 110565942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 110665942Sgibbs op = BUS_DMASYNC_PREREAD; 110765942Sgibbs else 110865942Sgibbs op = BUS_DMASYNC_PREWRITE; 110965942Sgibbs 111065942Sgibbs bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 111165942Sgibbs 111265942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 111365942Sgibbs struct target_data *tdata; 111465942Sgibbs 111565942Sgibbs tdata = &scb->hscb->shared_data.tdata; 111665942Sgibbs tdata->target_phases |= DPHASE_PENDING; 111765942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 111865942Sgibbs tdata->data_phase = P_DATAOUT; 111965942Sgibbs else 112065942Sgibbs tdata->data_phase = P_DATAIN; 112165942Sgibbs 112265942Sgibbs /* 112365942Sgibbs * If the transfer is of an odd length and in the 112465942Sgibbs * "in" direction (scsi->HostBus), then it may 112565942Sgibbs * trigger a bug in the 'WideODD' feature of 112665942Sgibbs * non-Ultra2 chips. Force the total data-length 112765942Sgibbs * to be even by adding an extra, 1 byte, SG, 112865942Sgibbs * element. We do this even if we are not currently 112965942Sgibbs * negotiated wide as negotiation could occur before 113065942Sgibbs * this command is executed. 113165942Sgibbs */ 113265942Sgibbs if ((ahc->bugs & AHC_TMODE_WIDEODD_BUG) != 0 113365942Sgibbs && (ccb->csio.dxfer_len & 0x1) != 0 113465942Sgibbs && (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 113565942Sgibbs 113665942Sgibbs nsegments++; 113765942Sgibbs if (nsegments > AHC_NSEG) { 113865942Sgibbs 113965942Sgibbs ahc_set_transaction_status(scb, 114065942Sgibbs CAM_REQ_TOO_BIG); 114165942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, 114265942Sgibbs scb->dmamap); 114365942Sgibbs ahc_free_scb(ahc, scb); 114465942Sgibbs xpt_done(ccb); 114565942Sgibbs return; 114665942Sgibbs } 114765942Sgibbs sg->addr = ahc->dma_bug_buf; 114865942Sgibbs sg->len = 1; 114965942Sgibbs sg++; 115065942Sgibbs } 115165942Sgibbs } 115265942Sgibbs sg--; 115365942Sgibbs sg->len |= AHC_DMA_LAST_SEG; 115465942Sgibbs 115565942Sgibbs /* Copy the first SG into the "current" data pointer area */ 115665942Sgibbs scb->hscb->dataptr = scb->sg_list->addr; 115765942Sgibbs scb->hscb->datacnt = scb->sg_list->len; 115865942Sgibbs } else { 115965942Sgibbs scb->hscb->sgptr = SG_LIST_NULL; 116065942Sgibbs scb->hscb->dataptr = 0; 116165942Sgibbs scb->hscb->datacnt = 0; 116265942Sgibbs } 116365942Sgibbs 116465942Sgibbs scb->sg_count = nsegments; 116565942Sgibbs 116665942Sgibbs ahc_lock(ahc, &s); 116765942Sgibbs 116865942Sgibbs /* 116965942Sgibbs * Last time we need to check if this SCB needs to 117065942Sgibbs * be aborted. 117165942Sgibbs */ 117265942Sgibbs if (ahc_get_transaction_status(scb) != CAM_REQ_INPROG) { 117365942Sgibbs if (nsegments != 0) 117465942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, 117565942Sgibbs scb->dmamap); 117665942Sgibbs ahc_free_scb(ahc, scb); 117765942Sgibbs xpt_done(ccb); 117865942Sgibbs ahc_unlock(ahc, &s); 117965942Sgibbs return; 118065942Sgibbs } 118165942Sgibbs 118265942Sgibbs LIST_INSERT_HEAD(&ahc->pending_scbs, scb, pending_links); 118365942Sgibbs 118465942Sgibbs ccb->ccb_h.status |= CAM_SIM_QUEUED; 118565942Sgibbs 118665942Sgibbs if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 118765942Sgibbs if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT) 118865942Sgibbs ccb->ccb_h.timeout = 5 * 1000; 118965942Sgibbs ccb->ccb_h.timeout_ch = 119065942Sgibbs timeout(ahc_timeout, (caddr_t)scb, 119165942Sgibbs (ccb->ccb_h.timeout * hz) / 1000); 119265942Sgibbs } 119365942Sgibbs 119465942Sgibbs /* 119565942Sgibbs * We only allow one untagged transaction 119665942Sgibbs * per target in the initiator role unless 119765942Sgibbs * we are storing a full busy target *lun* 119865942Sgibbs * table in SCB space. 119965942Sgibbs */ 120065942Sgibbs if ((scb->hscb->control & (TARGET_SCB|TAG_ENB)) == 0 120165942Sgibbs && (ahc->features & AHC_SCB_BTT) == 0) { 120265942Sgibbs struct scb_tailq *untagged_q; 120365942Sgibbs 120465942Sgibbs untagged_q = &(ahc->untagged_queues[ccb->ccb_h.target_id]); 120565942Sgibbs TAILQ_INSERT_TAIL(untagged_q, scb, links.tqe); 120665942Sgibbs if (TAILQ_FIRST(untagged_q) != scb) { 120765942Sgibbs ahc_unlock(ahc, &s); 120865942Sgibbs return; 120965942Sgibbs } 121065942Sgibbs } 121165942Sgibbs scb->flags |= SCB_ACTIVE; 121265942Sgibbs 121365942Sgibbs if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { 121465942Sgibbs pause_sequencer(ahc); 121565942Sgibbs if ((ahc->flags & AHC_PAGESCBS) == 0) 121665942Sgibbs ahc_outb(ahc, SCBPTR, scb->hscb->tag); 121765942Sgibbs ahc_outb(ahc, SCB_TAG, scb->hscb->tag); 121865942Sgibbs ahc_outb(ahc, RETURN_1, CONT_MSG_LOOP); 121965942Sgibbs unpause_sequencer(ahc); 122065942Sgibbs } else { 122165942Sgibbs ahc_queue_scb(ahc, scb); 122265942Sgibbs } 122365942Sgibbs 122465942Sgibbs ahc_unlock(ahc, &s); 122565942Sgibbs} 122665942Sgibbs 122765942Sgibbsstatic void 122865942Sgibbsahc_poll(struct cam_sim *sim) 122965942Sgibbs{ 123065942Sgibbs ahc_intr(cam_sim_softc(sim)); 123165942Sgibbs} 123265942Sgibbs 123365942Sgibbsstatic void 123465942Sgibbsahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 123565942Sgibbs struct ccb_scsiio *csio, struct scb *scb) 123665942Sgibbs{ 123765942Sgibbs struct hardware_scb *hscb; 123865942Sgibbs struct ccb_hdr *ccb_h; 123965942Sgibbs 124065942Sgibbs hscb = scb->hscb; 124165942Sgibbs ccb_h = &csio->ccb_h; 124265942Sgibbs 124365942Sgibbs if (ccb_h->func_code == XPT_SCSI_IO) { 124465942Sgibbs hscb->cdb_len = csio->cdb_len; 124565942Sgibbs if ((ccb_h->flags & CAM_CDB_POINTER) != 0) { 124665942Sgibbs 124765942Sgibbs if (hscb->cdb_len > sizeof(hscb->cdb32) 124865942Sgibbs || (ccb_h->flags & CAM_CDB_PHYS) != 0) { 124965942Sgibbs ahc_set_transaction_status(scb, 125065942Sgibbs CAM_REQ_INVALID); 125165942Sgibbs xpt_done(scb->io_ctx); 125265942Sgibbs ahc_free_scb(ahc, scb); 125365942Sgibbs return; 125465942Sgibbs } 125565942Sgibbs if (hscb->cdb_len > 12) { 125665942Sgibbs memcpy(hscb->cdb32, 125765942Sgibbs csio->cdb_io.cdb_ptr, 125865942Sgibbs hscb->cdb_len); 125965942Sgibbs hscb->shared_data.cdb_ptr = scb->cdb32_busaddr; 126065942Sgibbs } else { 126165942Sgibbs memcpy(hscb->shared_data.cdb, 126265942Sgibbs csio->cdb_io.cdb_ptr, 126365942Sgibbs hscb->cdb_len); 126465942Sgibbs } 126565942Sgibbs } else { 126665942Sgibbs if (hscb->cdb_len > 12) { 126765942Sgibbs memcpy(hscb->cdb32, csio->cdb_io.cdb_bytes, 126865942Sgibbs hscb->cdb_len); 126965942Sgibbs hscb->shared_data.cdb_ptr = scb->cdb32_busaddr; 127065942Sgibbs } else { 127165942Sgibbs memcpy(hscb->shared_data.cdb, 127265942Sgibbs csio->cdb_io.cdb_bytes, 127365942Sgibbs hscb->cdb_len); 127465942Sgibbs } 127565942Sgibbs } 127665942Sgibbs } 127765942Sgibbs 127865942Sgibbs /* Only use S/G if there is a transfer */ 127965942Sgibbs if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 128065942Sgibbs if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) { 128165942Sgibbs /* We've been given a pointer to a single buffer */ 128265942Sgibbs if ((ccb_h->flags & CAM_DATA_PHYS) == 0) { 128365942Sgibbs int s; 128465942Sgibbs int error; 128565942Sgibbs 128665942Sgibbs s = splsoftvm(); 128765942Sgibbs error = bus_dmamap_load(ahc->buffer_dmat, 128865942Sgibbs scb->dmamap, 128965942Sgibbs csio->data_ptr, 129065942Sgibbs csio->dxfer_len, 129165942Sgibbs ahc_execute_scb, 129265942Sgibbs scb, /*flags*/0); 129365942Sgibbs if (error == EINPROGRESS) { 129465942Sgibbs /* 129565942Sgibbs * So as to maintain ordering, 129665942Sgibbs * freeze the controller queue 129765942Sgibbs * until our mapping is 129865942Sgibbs * returned. 129965942Sgibbs */ 130065942Sgibbs xpt_freeze_simq(sim, 130165942Sgibbs /*count*/1); 130265942Sgibbs scb->io_ctx->ccb_h.status |= 130365942Sgibbs CAM_RELEASE_SIMQ; 130465942Sgibbs } 130565942Sgibbs splx(s); 130665942Sgibbs } else { 130765942Sgibbs struct bus_dma_segment seg; 130865942Sgibbs 130965942Sgibbs /* Pointer to physical buffer */ 131065942Sgibbs if (csio->dxfer_len > AHC_MAXTRANSFER_SIZE) 131165942Sgibbs panic("ahc_setup_data - Transfer size " 131265942Sgibbs "larger than can device max"); 131365942Sgibbs 131465942Sgibbs seg.ds_addr = (bus_addr_t)csio->data_ptr; 131565942Sgibbs seg.ds_len = csio->dxfer_len; 131665942Sgibbs ahc_execute_scb(scb, &seg, 1, 0); 131765942Sgibbs } 131865942Sgibbs } else { 131965942Sgibbs struct bus_dma_segment *segs; 132065942Sgibbs 132165942Sgibbs if ((ccb_h->flags & CAM_DATA_PHYS) != 0) 132265942Sgibbs panic("ahc_setup_data - Physical segment " 132365942Sgibbs "pointers unsupported"); 132465942Sgibbs 132565942Sgibbs if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0) 132665942Sgibbs panic("ahc_setup_data - Virtual segment " 132765942Sgibbs "addresses unsupported"); 132865942Sgibbs 132965942Sgibbs /* Just use the segments provided */ 133065942Sgibbs segs = (struct bus_dma_segment *)csio->data_ptr; 133165942Sgibbs ahc_execute_scb(scb, segs, csio->sglist_cnt, 0); 133265942Sgibbs } 133365942Sgibbs } else { 133465942Sgibbs ahc_execute_scb(scb, NULL, 0, 0); 133565942Sgibbs } 133665942Sgibbs} 133765942Sgibbs 133865942Sgibbsstatic void 133965942Sgibbsahc_set_recoveryscb(struct ahc_softc *ahc, struct scb *scb) { 134065942Sgibbs 134165942Sgibbs if ((scb->flags & SCB_RECOVERY_SCB) == 0) { 134265942Sgibbs struct scb *list_scb; 134365942Sgibbs 134465942Sgibbs scb->flags |= SCB_RECOVERY_SCB; 134565942Sgibbs 134665942Sgibbs /* 134765942Sgibbs * Take all queued, but not sent SCBs out of the equation. 134865942Sgibbs * Also ensure that no new CCBs are queued to us while we 134965942Sgibbs * try to fix this problem. 135065942Sgibbs */ 135165942Sgibbs if ((scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 135265942Sgibbs xpt_freeze_simq(SCB_GET_SIM(ahc, scb), /*count*/1); 135365942Sgibbs scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 135465942Sgibbs } 135565942Sgibbs 135665942Sgibbs /* 135765942Sgibbs * Go through all of our pending SCBs and remove 135865942Sgibbs * any scheduled timeouts for them. We will reschedule 135965942Sgibbs * them after we've successfully fixed this problem. 136065942Sgibbs */ 136165942Sgibbs LIST_FOREACH(list_scb, &ahc->pending_scbs, pending_links) { 136265942Sgibbs union ccb *ccb; 136365942Sgibbs 136465942Sgibbs ccb = list_scb->io_ctx; 136565942Sgibbs untimeout(ahc_timeout, list_scb, ccb->ccb_h.timeout_ch); 136665942Sgibbs } 136765942Sgibbs } 136865942Sgibbs} 136965942Sgibbs 137065942Sgibbsvoid 137165942Sgibbsahc_timeout(void *arg) 137265942Sgibbs{ 137365942Sgibbs struct scb *scb; 137465942Sgibbs struct ahc_softc *ahc; 137565942Sgibbs long s; 137665942Sgibbs int found; 137765942Sgibbs u_int last_phase; 137865942Sgibbs int target; 137965942Sgibbs int lun; 138065942Sgibbs int i; 138165942Sgibbs char channel; 138265942Sgibbs 138365942Sgibbs scb = (struct scb *)arg; 138465942Sgibbs ahc = (struct ahc_softc *)scb->io_ctx->ccb_h.ccb_ahc_ptr; 138565942Sgibbs 138665942Sgibbs ahc_lock(ahc, &s); 138765942Sgibbs 138865942Sgibbs /* 138965942Sgibbs * Ensure that the card doesn't do anything 139065942Sgibbs * behind our back. Also make sure that we 139165942Sgibbs * didn't "just" miss an interrupt that would 139265942Sgibbs * affect this timeout. 139365942Sgibbs */ 139465942Sgibbs do { 139565942Sgibbs ahc_intr(ahc); 139665942Sgibbs pause_sequencer(ahc); 139765942Sgibbs } while (ahc_inb(ahc, INTSTAT) & INT_PEND); 139865942Sgibbs 139965942Sgibbs ahc_print_path(ahc, scb); 140065942Sgibbs if ((scb->flags & SCB_ACTIVE) == 0) { 140165942Sgibbs /* Previous timeout took care of me already */ 140265942Sgibbs printf("Timedout SCB %d handled by another timeout\n", 140365942Sgibbs scb->hscb->tag); 140465942Sgibbs unpause_sequencer(ahc); 140565942Sgibbs ahc_unlock(ahc, &s); 140665942Sgibbs return; 140765942Sgibbs } 140865942Sgibbs 140965942Sgibbs target = SCB_GET_TARGET(ahc, scb); 141065942Sgibbs channel = SCB_GET_CHANNEL(ahc, scb); 141165942Sgibbs lun = SCB_GET_LUN(scb); 141265942Sgibbs 141365942Sgibbs printf("SCB 0x%x - timed out ", scb->hscb->tag); 141465942Sgibbs /* 141565942Sgibbs * Take a snapshot of the bus state and print out 141665942Sgibbs * some information so we can track down driver bugs. 141765942Sgibbs */ 141865942Sgibbs last_phase = ahc_inb(ahc, LASTPHASE); 141965942Sgibbs 142065942Sgibbs for (i = 0; i < num_phases; i++) { 142165942Sgibbs if (last_phase == phase_table[i].phase) 142265942Sgibbs break; 142365942Sgibbs } 142465942Sgibbs printf("%s", phase_table[i].phasemsg); 142565942Sgibbs 142665942Sgibbs printf(", SEQADDR == 0x%x\n", 142765942Sgibbs ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8)); 142865942Sgibbs 142965942Sgibbs if (scb->sg_count > 0) { 143065942Sgibbs for (i = 0; i < scb->sg_count; i++) { 143165942Sgibbs printf("sg[%d] - Addr 0x%x : Length %d\n", 143265942Sgibbs i, 143365942Sgibbs scb->sg_list[i].addr, 143465942Sgibbs scb->sg_list[i].len); 143565942Sgibbs } 143665942Sgibbs } 143765942Sgibbs if (scb->flags & (SCB_DEVICE_RESET|SCB_ABORT)) { 143865942Sgibbs /* 143965942Sgibbs * Been down this road before. 144065942Sgibbs * Do a full bus reset. 144165942Sgibbs */ 144265942Sgibbsbus_reset: 144365942Sgibbs ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT); 144465942Sgibbs found = ahc_reset_channel(ahc, channel, /*Initiate Reset*/TRUE); 144565942Sgibbs printf("%s: Issued Channel %c Bus Reset. " 144665942Sgibbs "%d SCBs aborted\n", ahc_name(ahc), channel, found); 144765942Sgibbs } else { 144865942Sgibbs /* 144965942Sgibbs * If we are a target, transition to bus free and report 145065942Sgibbs * the timeout. 145165942Sgibbs * 145265942Sgibbs * The target/initiator that is holding up the bus may not 145365942Sgibbs * be the same as the one that triggered this timeout 145465942Sgibbs * (different commands have different timeout lengths). 145565942Sgibbs * If the bus is idle and we are actiing as the initiator 145665942Sgibbs * for this request, queue a BDR message to the timed out 145765942Sgibbs * target. Otherwise, if the timed out transaction is 145865942Sgibbs * active: 145965942Sgibbs * Initiator transaction: 146065942Sgibbs * Stuff the message buffer with a BDR message and assert 146165942Sgibbs * ATN in the hopes that the target will let go of the bus 146265942Sgibbs * and go to the mesgout phase. If this fails, we'll 146365942Sgibbs * get another timeout 2 seconds later which will attempt 146465942Sgibbs * a bus reset. 146565942Sgibbs * 146665942Sgibbs * Target transaction: 146765942Sgibbs * Transition to BUS FREE and report the error. 146865942Sgibbs * It's good to be the target! 146965942Sgibbs */ 147065942Sgibbs u_int active_scb_index; 147165942Sgibbs 147265942Sgibbs active_scb_index = ahc_inb(ahc, SCB_TAG); 147365942Sgibbs 147465942Sgibbs if (last_phase != P_BUSFREE 147565942Sgibbs && (active_scb_index < ahc->scb_data->numscbs)) { 147665942Sgibbs struct scb *active_scb; 147765942Sgibbs 147865942Sgibbs /* 147965942Sgibbs * If the active SCB is not from our device, 148065942Sgibbs * assume that another device is hogging the bus 148165942Sgibbs * and wait for it's timeout to expire before 148265942Sgibbs * taking additional action. 148365942Sgibbs */ 148465942Sgibbs active_scb = &ahc->scb_data->scbarray[active_scb_index]; 148565942Sgibbs if (active_scb->hscb->scsiid != scb->hscb->scsiid 148665942Sgibbs || active_scb->hscb->lun != scb->hscb->lun) { 148765942Sgibbs struct ccb_hdr *ccbh; 148865942Sgibbs u_int newtimeout; 148965942Sgibbs 149065942Sgibbs ahc_print_path(ahc, scb); 149165942Sgibbs printf("Other SCB Timeout%s", 149265942Sgibbs (scb->flags & SCB_OTHERTCL_TIMEOUT) != 0 149365942Sgibbs ? " again\n" : "\n"); 149465942Sgibbs scb->flags |= SCB_OTHERTCL_TIMEOUT; 149565942Sgibbs newtimeout = 149665942Sgibbs MAX(active_scb->io_ctx->ccb_h.timeout, 149765942Sgibbs scb->io_ctx->ccb_h.timeout); 149865942Sgibbs ccbh = &scb->io_ctx->ccb_h; 149965942Sgibbs scb->io_ctx->ccb_h.timeout_ch = 150065942Sgibbs timeout(ahc_timeout, scb, 150165942Sgibbs (newtimeout * hz) / 1000); 150265942Sgibbs ahc_unlock(ahc, &s); 150365942Sgibbs return; 150465942Sgibbs } 150565942Sgibbs 150665942Sgibbs /* It's us */ 150765942Sgibbs if ((scb->hscb->control & TARGET_SCB) != 0) { 150865942Sgibbs 150965942Sgibbs /* 151065942Sgibbs * Send back any queued up transactions 151165942Sgibbs * and properly record the error condition. 151265942Sgibbs */ 151365942Sgibbs ahc_freeze_devq(ahc, scb); 151465942Sgibbs ahc_set_transaction_status(scb, 151565942Sgibbs CAM_CMD_TIMEOUT); 151665942Sgibbs ahc_freeze_scb(scb); 151765942Sgibbs ahc_done(ahc, scb); 151865942Sgibbs 151965942Sgibbs /* Will clear us from the bus */ 152065942Sgibbs restart_sequencer(ahc); 152165942Sgibbs return; 152265942Sgibbs } 152365942Sgibbs 152465942Sgibbs ahc_set_recoveryscb(ahc, active_scb); 152565942Sgibbs ahc_outb(ahc, MSG_OUT, MSG_BUS_DEV_RESET); 152665942Sgibbs ahc_outb(ahc, SCSISIGO, last_phase|ATNO); 152765942Sgibbs ahc_print_path(ahc, active_scb); 152865942Sgibbs printf("BDR message in message buffer\n"); 152965942Sgibbs active_scb->flags |= SCB_DEVICE_RESET; 153065942Sgibbs active_scb->io_ctx->ccb_h.timeout_ch = 153165942Sgibbs timeout(ahc_timeout, (caddr_t)active_scb, 2 * hz); 153265942Sgibbs unpause_sequencer(ahc); 153365942Sgibbs } else { 153465942Sgibbs int disconnected; 153565942Sgibbs 153665942Sgibbs /* XXX Shouldn't panic. Just punt instead */ 153765942Sgibbs if ((scb->hscb->control & TARGET_SCB) != 0) 153865942Sgibbs panic("Timed-out target SCB but bus idle"); 153965942Sgibbs 154065942Sgibbs if (last_phase != P_BUSFREE 154165942Sgibbs && (ahc_inb(ahc, SSTAT0) & TARGET) != 0) { 154265942Sgibbs /* XXX What happened to the SCB? */ 154365942Sgibbs /* Hung target selection. Goto busfree */ 154465942Sgibbs printf("%s: Hung target selection\n", 154565942Sgibbs ahc_name(ahc)); 154665942Sgibbs restart_sequencer(ahc); 154765942Sgibbs return; 154865942Sgibbs } 154965942Sgibbs 155065942Sgibbs if (ahc_search_qinfifo(ahc, target, channel, lun, 155165942Sgibbs scb->hscb->tag, ROLE_INITIATOR, 155265942Sgibbs /*status*/0, SEARCH_COUNT) > 0) { 155365942Sgibbs disconnected = FALSE; 155465942Sgibbs } else { 155565942Sgibbs disconnected = TRUE; 155665942Sgibbs } 155765942Sgibbs 155865942Sgibbs if (disconnected) { 155965942Sgibbs u_int active_scb; 156065942Sgibbs 156165942Sgibbs ahc_set_recoveryscb(ahc, scb); 156265942Sgibbs /* 156365942Sgibbs * Simply set the MK_MESSAGE control bit. 156465942Sgibbs */ 156565942Sgibbs scb->hscb->control |= MK_MESSAGE; 156665942Sgibbs scb->flags |= SCB_QUEUED_MSG 156765942Sgibbs | SCB_DEVICE_RESET; 156865942Sgibbs 156965942Sgibbs /* 157065942Sgibbs * Mark the cached copy of this SCB in the 157165942Sgibbs * disconnected list too, so that a reconnect 157265942Sgibbs * at this point causes a BDR or abort. 157365942Sgibbs */ 157465942Sgibbs active_scb = ahc_inb(ahc, SCBPTR); 157565942Sgibbs if (ahc_search_disc_list(ahc, target, 157665942Sgibbs channel, lun, 157765942Sgibbs scb->hscb->tag, 157865942Sgibbs /*stop_on_first*/TRUE, 157965942Sgibbs /*remove*/FALSE, 158065942Sgibbs /*save_state*/FALSE)) { 158165942Sgibbs u_int scb_control; 158265942Sgibbs 158365942Sgibbs scb_control = ahc_inb(ahc, SCB_CONTROL); 158465942Sgibbs scb_control |= MK_MESSAGE; 158565942Sgibbs ahc_outb(ahc, SCB_CONTROL, scb_control); 158665942Sgibbs } 158765942Sgibbs ahc_outb(ahc, SCBPTR, active_scb); 158865942Sgibbs 158965942Sgibbs /* 159065942Sgibbs * Actually re-queue this SCB in case we can 159165942Sgibbs * select the device before it reconnects. 159265942Sgibbs * Clear out any entries in the QINFIFO first 159365942Sgibbs * so we are the next SCB for this target 159465942Sgibbs * to run. 159565942Sgibbs */ 159665942Sgibbs ahc_search_qinfifo(ahc, 159765942Sgibbs SCB_GET_TARGET(ahc, scb), 159865942Sgibbs channel, SCB_GET_LUN(scb), 159965942Sgibbs SCB_LIST_NULL, 160065942Sgibbs ROLE_INITIATOR, 160165942Sgibbs CAM_REQUEUE_REQ, 160265942Sgibbs SEARCH_COMPLETE); 160365942Sgibbs ahc_print_path(ahc, scb); 160465942Sgibbs printf("Queuing a BDR SCB\n"); 160565942Sgibbs ahc->qinfifo[ahc->qinfifonext++] = 160665942Sgibbs scb->hscb->tag; 160765942Sgibbs if ((ahc->features & AHC_QUEUE_REGS) != 0) { 160865942Sgibbs ahc_outb(ahc, HNSCB_QOFF, 160965942Sgibbs ahc->qinfifonext); 161065942Sgibbs } else { 161165942Sgibbs ahc_outb(ahc, KERNEL_QINPOS, 161265942Sgibbs ahc->qinfifonext); 161365942Sgibbs } 161465942Sgibbs scb->io_ctx->ccb_h.timeout_ch = 161565942Sgibbs timeout(ahc_timeout, (caddr_t)scb, 2 * hz); 161665942Sgibbs unpause_sequencer(ahc); 161765942Sgibbs } else { 161865942Sgibbs /* Go "immediatly" to the bus reset */ 161965942Sgibbs /* This shouldn't happen */ 162065942Sgibbs ahc_set_recoveryscb(ahc, scb); 162165942Sgibbs ahc_print_path(ahc, scb); 162265942Sgibbs printf("SCB %d: Immediate reset. " 162365942Sgibbs "Flags = 0x%x\n", scb->hscb->tag, 162465942Sgibbs scb->flags); 162565942Sgibbs goto bus_reset; 162665942Sgibbs } 162765942Sgibbs } 162865942Sgibbs } 162965942Sgibbs ahc_unlock(ahc, &s); 163065942Sgibbs} 163165942Sgibbs 163265942Sgibbsstatic void 163365942Sgibbsahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, union ccb *ccb) 163465942Sgibbs{ 163565942Sgibbs union ccb *abort_ccb; 163665942Sgibbs 163765942Sgibbs abort_ccb = ccb->cab.abort_ccb; 163865942Sgibbs switch (abort_ccb->ccb_h.func_code) { 163965942Sgibbs case XPT_ACCEPT_TARGET_IO: 164065942Sgibbs case XPT_IMMED_NOTIFY: 164165942Sgibbs case XPT_CONT_TARGET_IO: 164265942Sgibbs { 164365942Sgibbs struct tmode_tstate *tstate; 164465942Sgibbs struct tmode_lstate *lstate; 164565942Sgibbs struct ccb_hdr_slist *list; 164665942Sgibbs cam_status status; 164765942Sgibbs 164865942Sgibbs status = ahc_find_tmode_devs(ahc, sim, abort_ccb, &tstate, 164965942Sgibbs &lstate, TRUE); 165065942Sgibbs 165165942Sgibbs if (status != CAM_REQ_CMP) { 165265942Sgibbs ccb->ccb_h.status = status; 165365942Sgibbs break; 165465942Sgibbs } 165565942Sgibbs 165665942Sgibbs if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 165765942Sgibbs list = &lstate->accept_tios; 165865942Sgibbs else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) 165965942Sgibbs list = &lstate->immed_notifies; 166065942Sgibbs else 166165942Sgibbs list = NULL; 166265942Sgibbs 166365942Sgibbs if (list != NULL) { 166465942Sgibbs struct ccb_hdr *curelm; 166565942Sgibbs int found; 166665942Sgibbs 166765942Sgibbs curelm = SLIST_FIRST(list); 166865942Sgibbs found = 0; 166965942Sgibbs if (curelm == &abort_ccb->ccb_h) { 167065942Sgibbs found = 1; 167165942Sgibbs SLIST_REMOVE_HEAD(list, sim_links.sle); 167265942Sgibbs } else { 167365942Sgibbs while(curelm != NULL) { 167465942Sgibbs struct ccb_hdr *nextelm; 167565942Sgibbs 167665942Sgibbs nextelm = 167765942Sgibbs SLIST_NEXT(curelm, sim_links.sle); 167865942Sgibbs 167965942Sgibbs if (nextelm == &abort_ccb->ccb_h) { 168065942Sgibbs found = 1; 168165942Sgibbs SLIST_NEXT(curelm, 168265942Sgibbs sim_links.sle) = 168365942Sgibbs SLIST_NEXT(nextelm, 168465942Sgibbs sim_links.sle); 168565942Sgibbs break; 168665942Sgibbs } 168765942Sgibbs curelm = nextelm; 168865942Sgibbs } 168965942Sgibbs } 169065942Sgibbs 169165942Sgibbs if (found) { 169265942Sgibbs abort_ccb->ccb_h.status = CAM_REQ_ABORTED; 169365942Sgibbs xpt_done(abort_ccb); 169465942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 169565942Sgibbs } else { 169665942Sgibbs printf("Not found\n"); 169765942Sgibbs ccb->ccb_h.status = CAM_PATH_INVALID; 169865942Sgibbs } 169965942Sgibbs break; 170065942Sgibbs } 170165942Sgibbs /* FALLTHROUGH */ 170265942Sgibbs } 170365942Sgibbs case XPT_SCSI_IO: 170465942Sgibbs /* XXX Fully implement the hard ones */ 170565942Sgibbs ccb->ccb_h.status = CAM_UA_ABORT; 170665942Sgibbs break; 170765942Sgibbs default: 170865942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 170965942Sgibbs break; 171065942Sgibbs } 171165942Sgibbs xpt_done(ccb); 171265942Sgibbs} 171365942Sgibbs 171465942Sgibbsvoid 171566269Sgibbsahc_send_async(struct ahc_softc *ahc, char channel, u_int target, 171666269Sgibbs u_int lun, ac_code code) 171765942Sgibbs{ 171865942Sgibbs struct ccb_trans_settings cts; 171965942Sgibbs struct cam_path *path; 172065942Sgibbs void *arg; 172165942Sgibbs int error; 172265942Sgibbs 172365942Sgibbs arg = NULL; 172466269Sgibbs error = ahc_create_path(ahc, channel, target, lun, &path); 172565942Sgibbs 172665942Sgibbs if (error != CAM_REQ_CMP) 172765942Sgibbs return; 172865942Sgibbs 172965942Sgibbs switch (code) { 173065942Sgibbs case AC_TRANSFER_NEG: 173165942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 173265942Sgibbs cts.type = CTS_TYPE_CURRENT_SETTINGS; 173365942Sgibbs#else 173465942Sgibbs cts.flags = CCB_TRANS_CURRENT_SETTINGS; 173565942Sgibbs#endif 173665942Sgibbs cts.ccb_h.path = path; 173766269Sgibbs cts.ccb_h.target_id = target; 173866269Sgibbs cts.ccb_h.target_lun = lun; 173966269Sgibbs ahc_get_tran_settings(ahc, channel == 'A' ? ahc->our_id 174066269Sgibbs : ahc->our_id_b, 174166269Sgibbs channel, &cts); 174265942Sgibbs arg = &cts; 174365942Sgibbs break; 174465942Sgibbs case AC_SENT_BDR: 174565942Sgibbs case AC_BUS_RESET: 174665942Sgibbs break; 174765942Sgibbs default: 174865942Sgibbs panic("ahc_send_async: Unexpected async event"); 174965942Sgibbs } 175065942Sgibbs xpt_async(code, path, arg); 175165942Sgibbs} 175265942Sgibbs 175365942Sgibbsvoid 175465942Sgibbsahc_platform_set_tags(struct ahc_softc *ahc, 175565942Sgibbs struct ahc_devinfo *devinfo, int enable) 175665942Sgibbs{ 175765942Sgibbs} 175865942Sgibbs 175965942Sgibbsint 176065942Sgibbsahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg) 176165942Sgibbs{ 176265942Sgibbs ahc->platform_data = 176365942Sgibbs malloc(sizeof(struct ahc_platform_data), M_DEVBUF, M_NOWAIT); 176465942Sgibbs if (ahc->platform_data == NULL) 176565942Sgibbs return (ENOMEM); 176665942Sgibbs memset(ahc->platform_data, 0, sizeof(struct ahc_platform_data)); 176765942Sgibbs return (0); 176865942Sgibbs} 176965942Sgibbs 177065942Sgibbsvoid 177165942Sgibbsahc_platform_free(struct ahc_softc *ahc) 177265942Sgibbs{ 177365942Sgibbs if (ahc->platform_data != NULL) { 177465942Sgibbs if (ahc->platform_data->regs != NULL) 177565942Sgibbs bus_release_resource(ahc->dev_softc, 177665942Sgibbs ahc->platform_data->regs_res_type, 177765942Sgibbs ahc->platform_data->regs_res_id, 177865942Sgibbs ahc->platform_data->regs); 177965942Sgibbs 178065942Sgibbs if (ahc->platform_data->irq != NULL) 178165942Sgibbs bus_release_resource(ahc->dev_softc, 178265942Sgibbs ahc->platform_data->irq_res_type, 178365942Sgibbs 0, ahc->platform_data->irq); 178465942Sgibbs 178565942Sgibbs free(ahc->platform_data, M_DEVBUF); 178665942Sgibbs } 178765942Sgibbs} 178865942Sgibbs 178965942Sgibbsint 179065942Sgibbsahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc) 179165942Sgibbs{ 179265942Sgibbs /* We don't sort softcs under FreeBSD so report equal always */ 179365942Sgibbs return (0); 179465942Sgibbs} 179565942Sgibbs 179665942Sgibbs#if UNUSED 179765942Sgibbsstatic void 179865942Sgibbsahc_dump_targcmd(struct target_cmd *cmd) 179965942Sgibbs{ 180065942Sgibbs uint8_t *byte; 180165942Sgibbs uint8_t *last_byte; 180265942Sgibbs int i; 180365942Sgibbs 180465942Sgibbs byte = &cmd->initiator_channel; 180565942Sgibbs /* Debugging info for received commands */ 180665942Sgibbs last_byte = &cmd[1].initiator_channel; 180765942Sgibbs 180865942Sgibbs i = 0; 180965942Sgibbs while (byte < last_byte) { 181065942Sgibbs if (i == 0) 181165942Sgibbs printf("\t"); 181265942Sgibbs printf("%#x", *byte++); 181365942Sgibbs i++; 181465942Sgibbs if (i == 8) { 181565942Sgibbs printf("\n"); 181665942Sgibbs i = 0; 181765942Sgibbs } else { 181865942Sgibbs printf(", "); 181965942Sgibbs } 182065942Sgibbs } 182165942Sgibbs} 182265942Sgibbs#endif 1823