aic7xxx_osm.c revision 70204
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 70204 2000-12-20 01:11:37Z gibbs $ 3465942Sgibbs */ 3565942Sgibbs 3665942Sgibbs#include <dev/aic7xxx/aic7xxx_freebsd.h> 3765942Sgibbs#include <dev/aic7xxx/aic7xxx_inline.h> 3865942Sgibbs 3965942Sgibbs#ifndef AHC_TMODE_ENABLE 4065942Sgibbs#define AHC_TMODE_ENABLE 0 4165942Sgibbs#endif 4265942Sgibbs 4365942Sgibbs#define ccb_scb_ptr spriv_ptr0 4465942Sgibbs 4565942Sgibbs#ifdef AHC_DEBUG 4665942Sgibbsstatic int ahc_debug = AHC_DEBUG; 4765942Sgibbs#endif 4865942Sgibbs 4965942Sgibbs#if UNUSED 5065942Sgibbsstatic void ahc_dump_targcmd(struct target_cmd *cmd); 5165942Sgibbs#endif 5265942Sgibbsstatic void ahc_action(struct cam_sim *sim, union ccb *ccb); 5365942Sgibbsstatic void ahc_get_tran_settings(struct ahc_softc *ahc, 5465942Sgibbs int our_id, char channel, 5565942Sgibbs struct ccb_trans_settings *cts); 5665942Sgibbsstatic void ahc_async(void *callback_arg, uint32_t code, 5765942Sgibbs struct cam_path *path, void *arg); 5865942Sgibbsstatic void ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, 5965942Sgibbs int nsegments, int error); 6065942Sgibbsstatic void ahc_poll(struct cam_sim *sim); 6165942Sgibbsstatic void ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 6265942Sgibbs struct ccb_scsiio *csio, struct scb *scb); 6365942Sgibbsstatic void ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, 6465942Sgibbs union ccb *ccb); 6565942Sgibbsstatic int ahc_create_path(struct ahc_softc *ahc, 6666269Sgibbs char channel, u_int target, u_int lun, 6765942Sgibbs struct cam_path **path); 6865942Sgibbs 6965942Sgibbsstatic void ahc_set_recoveryscb(struct ahc_softc *ahc, struct scb *scb); 7065942Sgibbs 7165942Sgibbsstatic int 7266269Sgibbsahc_create_path(struct ahc_softc *ahc, char channel, u_int target, 7366269Sgibbs u_int lun, struct cam_path **path) 7465942Sgibbs{ 7565942Sgibbs path_id_t path_id; 7665942Sgibbs 7766269Sgibbs if (channel == 'B') 7865942Sgibbs path_id = cam_sim_path(ahc->platform_data->sim_b); 7965942Sgibbs else 8065942Sgibbs path_id = cam_sim_path(ahc->platform_data->sim); 8165942Sgibbs 8265942Sgibbs return (xpt_create_path(path, /*periph*/NULL, 8366269Sgibbs path_id, target, lun)); 8465942Sgibbs} 8565942Sgibbs 8665942Sgibbs/* 8765942Sgibbs * Attach all the sub-devices we can find 8865942Sgibbs */ 8965942Sgibbsint 9065942Sgibbsahc_attach(struct ahc_softc *ahc) 9165942Sgibbs{ 9265942Sgibbs char ahc_info[256]; 9365942Sgibbs struct ccb_setasync csa; 9465942Sgibbs struct cam_devq *devq; 9565942Sgibbs int bus_id; 9665942Sgibbs int bus_id2; 9765942Sgibbs struct cam_sim *sim; 9865942Sgibbs struct cam_sim *sim2; 9965942Sgibbs struct cam_path *path; 10065942Sgibbs struct cam_path *path2; 10165942Sgibbs long s; 10265942Sgibbs int count; 10365942Sgibbs int error; 10465942Sgibbs 10565942Sgibbs count = 0; 10665942Sgibbs sim = NULL; 10765942Sgibbs sim2 = NULL; 10865942Sgibbs 10965942Sgibbs ahc_controller_info(ahc, ahc_info); 11065942Sgibbs printf("%s\n", ahc_info); 11165942Sgibbs ahc_lock(ahc, &s); 11265942Sgibbs /* Hook up our interrupt handler */ 11365942Sgibbs if ((error = bus_setup_intr(ahc->dev_softc, ahc->platform_data->irq, 11470204Sgibbs INTR_TYPE_CAM, ahc_platform_intr, ahc, 11565942Sgibbs &ahc->platform_data->ih)) != 0) { 11665942Sgibbs device_printf(ahc->dev_softc, "bus_setup_intr() failed: %d\n", 11765942Sgibbs error); 11865942Sgibbs goto fail; 11965942Sgibbs } 12065942Sgibbs 12165942Sgibbs /* 12265942Sgibbs * Attach secondary channel first if the user has 12365942Sgibbs * declared it the primary channel. 12465942Sgibbs */ 12565942Sgibbs if ((ahc->flags & AHC_CHANNEL_B_PRIMARY) != 0) { 12665942Sgibbs bus_id = 1; 12765942Sgibbs bus_id2 = 0; 12865942Sgibbs } else { 12965942Sgibbs bus_id = 0; 13065942Sgibbs bus_id2 = 1; 13165942Sgibbs } 13265942Sgibbs 13365942Sgibbs /* 13465942Sgibbs * Create the device queue for our SIM(s). 13565942Sgibbs */ 13666647Sgibbs devq = cam_simq_alloc(AHC_SCB_MAX - 1); 13765942Sgibbs if (devq == NULL) 13865942Sgibbs goto fail; 13965942Sgibbs 14065942Sgibbs /* 14165942Sgibbs * Construct our first channel SIM entry 14265942Sgibbs */ 14366104Sgibbs sim = cam_sim_alloc(ahc_action, ahc_poll, "ahc", ahc, 14466104Sgibbs device_get_unit(ahc->dev_softc), 14566647Sgibbs 1, AHC_SCB_MAX - 1, devq); 14665942Sgibbs if (sim == NULL) { 14765942Sgibbs cam_simq_free(devq); 14865942Sgibbs goto fail; 14965942Sgibbs } 15065942Sgibbs 15165942Sgibbs if (xpt_bus_register(sim, bus_id) != CAM_SUCCESS) { 15265942Sgibbs cam_sim_free(sim, /*free_devq*/TRUE); 15365942Sgibbs sim = NULL; 15465942Sgibbs goto fail; 15565942Sgibbs } 15665942Sgibbs 15765942Sgibbs if (xpt_create_path(&path, /*periph*/NULL, 15865942Sgibbs cam_sim_path(sim), CAM_TARGET_WILDCARD, 15965942Sgibbs CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 16065942Sgibbs xpt_bus_deregister(cam_sim_path(sim)); 16165942Sgibbs cam_sim_free(sim, /*free_devq*/TRUE); 16265942Sgibbs sim = NULL; 16365942Sgibbs goto fail; 16465942Sgibbs } 16565942Sgibbs 16665942Sgibbs xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 16765942Sgibbs csa.ccb_h.func_code = XPT_SASYNC_CB; 16865942Sgibbs csa.event_enable = AC_LOST_DEVICE; 16965942Sgibbs csa.callback = ahc_async; 17065942Sgibbs csa.callback_arg = sim; 17165942Sgibbs xpt_action((union ccb *)&csa); 17265942Sgibbs count++; 17365942Sgibbs 17465942Sgibbs if (ahc->features & AHC_TWIN) { 17565942Sgibbs sim2 = cam_sim_alloc(ahc_action, ahc_poll, "ahc", 17666104Sgibbs ahc, device_get_unit(ahc->dev_softc), 1, 17766647Sgibbs AHC_SCB_MAX - 1, devq); 17865942Sgibbs 17965942Sgibbs if (sim2 == NULL) { 18065942Sgibbs printf("ahc_attach: Unable to attach second " 18165942Sgibbs "bus due to resource shortage"); 18265942Sgibbs goto fail; 18365942Sgibbs } 18465942Sgibbs 18565942Sgibbs if (xpt_bus_register(sim2, bus_id2) != CAM_SUCCESS) { 18665942Sgibbs printf("ahc_attach: Unable to attach second " 18765942Sgibbs "bus due to resource shortage"); 18865942Sgibbs /* 18965942Sgibbs * We do not want to destroy the device queue 19065942Sgibbs * because the first bus is using it. 19165942Sgibbs */ 19265942Sgibbs cam_sim_free(sim2, /*free_devq*/FALSE); 19365942Sgibbs goto fail; 19465942Sgibbs } 19565942Sgibbs 19665942Sgibbs if (xpt_create_path(&path2, /*periph*/NULL, 19765942Sgibbs cam_sim_path(sim2), 19865942Sgibbs CAM_TARGET_WILDCARD, 19965942Sgibbs CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 20065942Sgibbs xpt_bus_deregister(cam_sim_path(sim2)); 20165942Sgibbs cam_sim_free(sim2, /*free_devq*/FALSE); 20265942Sgibbs sim2 = NULL; 20365942Sgibbs goto fail; 20465942Sgibbs } 20565942Sgibbs xpt_setup_ccb(&csa.ccb_h, path2, /*priority*/5); 20665942Sgibbs csa.ccb_h.func_code = XPT_SASYNC_CB; 20765942Sgibbs csa.event_enable = AC_LOST_DEVICE; 20865942Sgibbs csa.callback = ahc_async; 20965942Sgibbs csa.callback_arg = sim2; 21065942Sgibbs xpt_action((union ccb *)&csa); 21165942Sgibbs count++; 21265942Sgibbs } 21365942Sgibbs 21465942Sgibbsfail: 21565942Sgibbs if ((ahc->flags & AHC_CHANNEL_B_PRIMARY) != 0) { 21665942Sgibbs ahc->platform_data->sim_b = sim; 21765942Sgibbs ahc->platform_data->path_b = path; 21865942Sgibbs ahc->platform_data->sim = sim2; 21965942Sgibbs ahc->platform_data->path = path2; 22065942Sgibbs } else { 22165942Sgibbs ahc->platform_data->sim = sim; 22265942Sgibbs ahc->platform_data->path = path; 22365942Sgibbs ahc->platform_data->sim_b = sim2; 22465942Sgibbs ahc->platform_data->path_b = path2; 22565942Sgibbs } 22665942Sgibbs ahc_unlock(ahc, &s); 22765942Sgibbs 22865942Sgibbs if (count != 0) 22965942Sgibbs /* We have to wait until after any system dumps... */ 23070204Sgibbs ahc->platform_data->eh = 23170204Sgibbs EVENTHANDLER_REGISTER(shutdown_final, ahc_shutdown, 23270204Sgibbs ahc, SHUTDOWN_PRI_DEFAULT); 23365942Sgibbs 23465942Sgibbs return (count); 23565942Sgibbs} 23665942Sgibbs 23765942Sgibbs/* 23865942Sgibbs * Catch an interrupt from the adapter 23965942Sgibbs */ 24065942Sgibbsvoid 24170204Sgibbsahc_platform_intr(void *arg) 24265942Sgibbs{ 24365942Sgibbs struct ahc_softc *ahc; 24465942Sgibbs 24565942Sgibbs ahc = (struct ahc_softc *)arg; 24665942Sgibbs ahc_intr(ahc); 24765942Sgibbs} 24865942Sgibbs 24965942Sgibbs/* 25065942Sgibbs * We have an scb which has been processed by the 25165942Sgibbs * adaptor, now we look to see how the operation 25265942Sgibbs * went. 25365942Sgibbs */ 25465942Sgibbsvoid 25565942Sgibbsahc_done(struct ahc_softc *ahc, struct scb *scb) 25665942Sgibbs{ 25765942Sgibbs union ccb *ccb; 25865942Sgibbs 25965942Sgibbs CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, 26065942Sgibbs ("ahc_done - scb %d\n", scb->hscb->tag)); 26165942Sgibbs 26265942Sgibbs ccb = scb->io_ctx; 26365942Sgibbs LIST_REMOVE(scb, pending_links); 26466986Sgibbs if ((scb->flags & SCB_UNTAGGEDQ) != 0) { 26565942Sgibbs struct scb_tailq *untagged_q; 26665942Sgibbs 26765942Sgibbs untagged_q = &ahc->untagged_queues[ccb->ccb_h.target_id]; 26865942Sgibbs TAILQ_REMOVE(untagged_q, scb, links.tqe); 26966986Sgibbs scb->flags &= ~SCB_UNTAGGEDQ; 27065942Sgibbs ahc_run_untagged_queue(ahc, untagged_q); 27165942Sgibbs } 27265942Sgibbs 27365942Sgibbs untimeout(ahc_timeout, (caddr_t)scb, ccb->ccb_h.timeout_ch); 27465942Sgibbs 27565942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 27665942Sgibbs bus_dmasync_op_t op; 27765942Sgibbs 27865942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 27965942Sgibbs op = BUS_DMASYNC_POSTREAD; 28065942Sgibbs else 28165942Sgibbs op = BUS_DMASYNC_POSTWRITE; 28265942Sgibbs bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 28365942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 28465942Sgibbs } 28565942Sgibbs 28665942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 28765942Sgibbs if (ahc_get_transaction_status(scb) == CAM_REQ_INPROG) 28865942Sgibbs ccb->ccb_h.status |= CAM_REQ_CMP; 28965942Sgibbs ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 29065942Sgibbs ahc_free_scb(ahc, scb); 29165942Sgibbs xpt_done(ccb); 29265942Sgibbs return; 29365942Sgibbs } 29465942Sgibbs 29565942Sgibbs /* 29665942Sgibbs * If the recovery SCB completes, we have to be 29765942Sgibbs * out of our timeout. 29865942Sgibbs */ 29965942Sgibbs if ((scb->flags & SCB_RECOVERY_SCB) != 0) { 30065942Sgibbs struct scb *list_scb; 30165942Sgibbs 30265942Sgibbs /* 30365942Sgibbs * We were able to complete the command successfully, 30465942Sgibbs * so reinstate the timeouts for all other pending 30565942Sgibbs * commands. 30665942Sgibbs */ 30765942Sgibbs LIST_FOREACH(list_scb, &ahc->pending_scbs, pending_links) { 30865942Sgibbs union ccb *ccb; 30965942Sgibbs 31065942Sgibbs ccb = list_scb->io_ctx; 31165942Sgibbs ccb->ccb_h.timeout_ch = 31265942Sgibbs timeout(ahc_timeout, list_scb, 31365942Sgibbs (ccb->ccb_h.timeout * hz)/1000); 31465942Sgibbs } 31565942Sgibbs 31665942Sgibbs if (ahc_get_transaction_status(scb) == CAM_BDR_SENT 31765942Sgibbs || ahc_get_transaction_status(scb) == CAM_REQ_ABORTED) 31865942Sgibbs ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT); 31965942Sgibbs ahc_print_path(ahc, scb); 32065942Sgibbs printf("no longer in timeout, status = %x\n", 32165942Sgibbs ccb->ccb_h.status); 32265942Sgibbs } 32365942Sgibbs 32465942Sgibbs /* Don't clobber any existing error state */ 32565942Sgibbs if (ahc_get_transaction_status(scb) == CAM_REQ_INPROG) { 32665942Sgibbs ccb->ccb_h.status |= CAM_REQ_CMP; 32765942Sgibbs } else if ((scb->flags & SCB_SENSE) != 0) { 32865942Sgibbs /* 32965942Sgibbs * We performed autosense retrieval. 33065942Sgibbs * 33165942Sgibbs * Zero any sense not transferred by the 33265942Sgibbs * device. The SCSI spec mandates that any 33365942Sgibbs * untransfered data should be assumed to be 33465942Sgibbs * zero. Complete the 'bounce' of sense information 33565942Sgibbs * through buffers accessible via bus-space by 33665942Sgibbs * copying it into the clients csio. 33765942Sgibbs */ 33865942Sgibbs memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 33965942Sgibbs memcpy(&ccb->csio.sense_data, 34065942Sgibbs &ahc->scb_data->sense[scb->hscb->tag], 34165942Sgibbs (scb->sg_list->len & AHC_SG_LEN_MASK) 34265942Sgibbs - ccb->csio.sense_resid); 34365942Sgibbs scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 34465942Sgibbs } 34565942Sgibbs ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 34665942Sgibbs ahc_free_scb(ahc, scb); 34765942Sgibbs xpt_done(ccb); 34865942Sgibbs} 34965942Sgibbs 35065942Sgibbsstatic void 35165942Sgibbsahc_action(struct cam_sim *sim, union ccb *ccb) 35265942Sgibbs{ 35365942Sgibbs struct ahc_softc *ahc; 35465942Sgibbs struct tmode_lstate *lstate; 35565942Sgibbs u_int target_id; 35665942Sgibbs u_int our_id; 35765942Sgibbs long s; 35865942Sgibbs 35965942Sgibbs CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahc_action\n")); 36065942Sgibbs 36165942Sgibbs ahc = (struct ahc_softc *)cam_sim_softc(sim); 36265942Sgibbs 36365942Sgibbs target_id = ccb->ccb_h.target_id; 36465942Sgibbs our_id = SIM_SCSI_ID(ahc, sim); 36565942Sgibbs 36665942Sgibbs switch (ccb->ccb_h.func_code) { 36765942Sgibbs /* Common cases first */ 36865942Sgibbs case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 36965942Sgibbs case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ 37065942Sgibbs { 37165942Sgibbs struct tmode_tstate *tstate; 37265942Sgibbs cam_status status; 37365942Sgibbs 37465942Sgibbs status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 37565942Sgibbs &lstate, TRUE); 37665942Sgibbs 37765942Sgibbs if (status != CAM_REQ_CMP) { 37865942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 37965942Sgibbs /* Response from the black hole device */ 38065942Sgibbs tstate = NULL; 38165942Sgibbs lstate = ahc->black_hole; 38265942Sgibbs } else { 38365942Sgibbs ccb->ccb_h.status = status; 38465942Sgibbs xpt_done(ccb); 38565942Sgibbs break; 38665942Sgibbs } 38765942Sgibbs } 38865942Sgibbs if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 38965942Sgibbs 39065942Sgibbs ahc_lock(ahc, &s); 39165942Sgibbs SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, 39265942Sgibbs sim_links.sle); 39365942Sgibbs ccb->ccb_h.status = CAM_REQ_INPROG; 39465942Sgibbs if ((ahc->flags & AHC_TQINFIFO_BLOCKED) != 0) 39565942Sgibbs ahc_run_tqinfifo(ahc, /*paused*/FALSE); 39665942Sgibbs ahc_unlock(ahc, &s); 39765942Sgibbs break; 39865942Sgibbs } 39965942Sgibbs 40065942Sgibbs /* 40165942Sgibbs * The target_id represents the target we attempt to 40265942Sgibbs * select. In target mode, this is the initiator of 40365942Sgibbs * the original command. 40465942Sgibbs */ 40565942Sgibbs our_id = target_id; 40665942Sgibbs target_id = ccb->csio.init_id; 40765942Sgibbs /* FALLTHROUGH */ 40865942Sgibbs } 40965942Sgibbs case XPT_SCSI_IO: /* Execute the requested I/O operation */ 41065942Sgibbs case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 41165942Sgibbs { 41266717Sgibbs struct scb *scb; 41366717Sgibbs struct hardware_scb *hscb; 41465942Sgibbs 41568087Sgibbs if ((ahc->flags & AHC_INITIATORROLE) == 0 41668087Sgibbs && (ccb->ccb_h.func_code == XPT_SCSI_IO 41768087Sgibbs || ccb->ccb_h.func_code == XPT_RESET_DEV)) { 41868087Sgibbs ccb->ccb_h.status = CAM_PROVIDE_FAIL; 41968087Sgibbs xpt_done(ccb); 42068087Sgibbs } 42168087Sgibbs 42265942Sgibbs /* 42365942Sgibbs * get an scb to use. 42465942Sgibbs */ 42566717Sgibbs ahc_lock(ahc, &s); 42665942Sgibbs if ((scb = ahc_get_scb(ahc)) == NULL) { 42765942Sgibbs 42866891Sgibbs xpt_freeze_simq(sim, /*count*/1); 42965942Sgibbs ahc->flags |= AHC_RESOURCE_SHORTAGE; 43065942Sgibbs ahc_unlock(ahc, &s); 43166510Sgibbs ccb->ccb_h.status = CAM_REQUEUE_REQ; 43265942Sgibbs xpt_done(ccb); 43365942Sgibbs return; 43465942Sgibbs } 43566717Sgibbs ahc_unlock(ahc, &s); 43665942Sgibbs 43765942Sgibbs hscb = scb->hscb; 43865942Sgibbs 43965942Sgibbs CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, 44065942Sgibbs ("start scb(%p)\n", scb)); 44165942Sgibbs scb->io_ctx = ccb; 44265942Sgibbs /* 44365942Sgibbs * So we can find the SCB when an abort is requested 44465942Sgibbs */ 44565942Sgibbs ccb->ccb_h.ccb_scb_ptr = scb; 44665942Sgibbs 44765942Sgibbs /* 44865942Sgibbs * Put all the arguments for the xfer in the scb 44965942Sgibbs */ 45065942Sgibbs hscb->control = 0; 45165942Sgibbs hscb->scsiid = BUILD_SCSIID(ahc, sim, target_id, our_id); 45265942Sgibbs hscb->lun = ccb->ccb_h.target_lun; 45365942Sgibbs if (ccb->ccb_h.func_code == XPT_RESET_DEV) { 45465942Sgibbs hscb->cdb_len = 0; 45565942Sgibbs scb->flags |= SCB_DEVICE_RESET; 45665942Sgibbs hscb->control |= MK_MESSAGE; 45765942Sgibbs ahc_execute_scb(scb, NULL, 0, 0); 45865942Sgibbs } else { 45965942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 46065942Sgibbs struct target_data *tdata; 46165942Sgibbs 46265942Sgibbs tdata = &hscb->shared_data.tdata; 46365942Sgibbs if (ahc->pending_device == lstate) { 46465942Sgibbs scb->flags |= SCB_TARGET_IMMEDIATE; 46565942Sgibbs ahc->pending_device = NULL; 46665942Sgibbs } 46765942Sgibbs hscb->control |= TARGET_SCB; 46865942Sgibbs tdata->target_phases = IDENTIFY_SEEN; 46965942Sgibbs if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 47065942Sgibbs tdata->target_phases |= SPHASE_PENDING; 47165942Sgibbs tdata->scsi_status = 47265942Sgibbs ccb->csio.scsi_status; 47365942Sgibbs } 47465942Sgibbs tdata->initiator_tag = ccb->csio.tag_id; 47565942Sgibbs } 47665942Sgibbs if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) 47765942Sgibbs hscb->control |= ccb->csio.tag_action; 47865942Sgibbs 47965942Sgibbs ahc_setup_data(ahc, sim, &ccb->csio, scb); 48065942Sgibbs } 48165942Sgibbs break; 48265942Sgibbs } 48365942Sgibbs case XPT_NOTIFY_ACK: 48465942Sgibbs case XPT_IMMED_NOTIFY: 48565942Sgibbs { 48665942Sgibbs struct tmode_tstate *tstate; 48765942Sgibbs struct tmode_lstate *lstate; 48865942Sgibbs cam_status status; 48965942Sgibbs 49065942Sgibbs status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 49165942Sgibbs &lstate, TRUE); 49265942Sgibbs 49365942Sgibbs if (status != CAM_REQ_CMP) { 49465942Sgibbs ccb->ccb_h.status = status; 49565942Sgibbs xpt_done(ccb); 49665942Sgibbs break; 49765942Sgibbs } 49865942Sgibbs SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, 49965942Sgibbs sim_links.sle); 50065942Sgibbs ccb->ccb_h.status = CAM_REQ_INPROG; 50165942Sgibbs ahc_send_lstate_events(ahc, lstate); 50265942Sgibbs break; 50365942Sgibbs } 50465942Sgibbs case XPT_EN_LUN: /* Enable LUN as a target */ 50565942Sgibbs ahc_handle_en_lun(ahc, sim, ccb); 50665942Sgibbs xpt_done(ccb); 50765942Sgibbs break; 50865942Sgibbs case XPT_ABORT: /* Abort the specified CCB */ 50965942Sgibbs { 51065942Sgibbs ahc_abort_ccb(ahc, sim, ccb); 51165942Sgibbs break; 51265942Sgibbs } 51365942Sgibbs case XPT_SET_TRAN_SETTINGS: 51465942Sgibbs { 51565942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 51665942Sgibbs struct ahc_devinfo devinfo; 51765942Sgibbs struct ccb_trans_settings *cts; 51865942Sgibbs struct ccb_trans_settings_scsi *scsi; 51965942Sgibbs struct ccb_trans_settings_spi *spi; 52065942Sgibbs struct ahc_initiator_tinfo *tinfo; 52165942Sgibbs struct tmode_tstate *tstate; 52265942Sgibbs uint16_t *discenable; 52365942Sgibbs uint16_t *tagenable; 52465942Sgibbs u_int update_type; 52565942Sgibbs 52665942Sgibbs cts = &ccb->cts; 52765942Sgibbs scsi = &cts->proto_specific.scsi; 52865942Sgibbs spi = &cts->xport_specific.spi; 52965942Sgibbs ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 53065942Sgibbs cts->ccb_h.target_id, 53165942Sgibbs cts->ccb_h.target_lun, 53265942Sgibbs SIM_CHANNEL(ahc, sim), 53365942Sgibbs ROLE_UNKNOWN); 53465942Sgibbs tinfo = ahc_fetch_transinfo(ahc, devinfo.channel, 53565942Sgibbs devinfo.our_scsiid, 53665942Sgibbs devinfo.target, &tstate); 53765942Sgibbs update_type = 0; 53865942Sgibbs if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 53965942Sgibbs update_type |= AHC_TRANS_GOAL; 54065942Sgibbs discenable = &tstate->discenable; 54165942Sgibbs tagenable = &tstate->tagenable; 54265942Sgibbs tinfo->current.protocol_version = 54365942Sgibbs cts->protocol_version; 54465942Sgibbs tinfo->current.transport_version = 54565942Sgibbs cts->transport_version; 54665942Sgibbs tinfo->goal.protocol_version = 54765942Sgibbs cts->protocol_version; 54865942Sgibbs tinfo->goal.transport_version = 54965942Sgibbs cts->transport_version; 55065942Sgibbs } else if (cts->type == CTS_TYPE_USER_SETTINGS) { 55165942Sgibbs update_type |= AHC_TRANS_USER; 55265942Sgibbs discenable = &ahc->user_discenable; 55365942Sgibbs tagenable = &ahc->user_tagenable; 55465942Sgibbs tinfo->user.protocol_version = 55565942Sgibbs cts->protocol_version; 55665942Sgibbs tinfo->user.transport_version = 55765942Sgibbs cts->transport_version; 55865942Sgibbs } else { 55965942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 56065942Sgibbs xpt_done(ccb); 56165942Sgibbs break; 56265942Sgibbs } 56365942Sgibbs 56465942Sgibbs ahc_lock(ahc, &s); 56565942Sgibbs 56665942Sgibbs if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 56765942Sgibbs if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 56865942Sgibbs *discenable |= devinfo.target_mask; 56965942Sgibbs else 57065942Sgibbs *discenable &= ~devinfo.target_mask; 57165942Sgibbs } 57265942Sgibbs 57365942Sgibbs if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 57465942Sgibbs if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 57565942Sgibbs *tagenable |= devinfo.target_mask; 57665942Sgibbs else 57765942Sgibbs *tagenable &= ~devinfo.target_mask; 57865942Sgibbs } 57965942Sgibbs 58065942Sgibbs if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 58168087Sgibbs ahc_validate_width(ahc, /*tinfo limit*/NULL, 58268087Sgibbs &spi->bus_width, ROLE_UNKNOWN); 58365942Sgibbs ahc_set_width(ahc, &devinfo, spi->bus_width, 58465942Sgibbs update_type, /*paused*/FALSE); 58565942Sgibbs } 58665942Sgibbs 58765942Sgibbs if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { 58865942Sgibbs if (update_type == AHC_TRANS_USER) 58965942Sgibbs spi->ppr_options = tinfo->user.ppr_options; 59065942Sgibbs else 59165942Sgibbs spi->ppr_options = tinfo->goal.ppr_options; 59265942Sgibbs } 59365942Sgibbs 59465942Sgibbs if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { 59565942Sgibbs if (update_type == AHC_TRANS_USER) 59665942Sgibbs spi->sync_offset = tinfo->user.offset; 59765942Sgibbs else 59865942Sgibbs spi->sync_offset = tinfo->goal.offset; 59965942Sgibbs } 60065942Sgibbs 60165942Sgibbs if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 60265942Sgibbs if (update_type == AHC_TRANS_USER) 60365942Sgibbs spi->sync_period = tinfo->user.period; 60465942Sgibbs else 60565942Sgibbs spi->sync_period = tinfo->goal.period; 60665942Sgibbs } 60765942Sgibbs 60865942Sgibbs if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) 60965942Sgibbs || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { 61065942Sgibbs struct ahc_syncrate *syncrate; 61165942Sgibbs u_int maxsync; 61265942Sgibbs 61365942Sgibbs if ((ahc->features & AHC_ULTRA2) != 0) 61465942Sgibbs maxsync = AHC_SYNCRATE_DT; 61565942Sgibbs else if ((ahc->features & AHC_ULTRA) != 0) 61665942Sgibbs maxsync = AHC_SYNCRATE_ULTRA; 61765942Sgibbs else 61865942Sgibbs maxsync = AHC_SYNCRATE_FAST; 61965942Sgibbs 62065942Sgibbs syncrate = ahc_find_syncrate(ahc, &spi->sync_period, 62165942Sgibbs &spi->ppr_options, 62265942Sgibbs maxsync); 62368087Sgibbs ahc_validate_offset(ahc, /*tinfo limit*/NULL, 62468087Sgibbs syncrate, &spi->sync_offset, 62568087Sgibbs spi->bus_width, ROLE_UNKNOWN); 62665942Sgibbs 62765942Sgibbs /* We use a period of 0 to represent async */ 62865942Sgibbs if (spi->sync_offset == 0) { 62965942Sgibbs spi->sync_period = 0; 63065942Sgibbs spi->ppr_options = 0; 63165942Sgibbs } 63265942Sgibbs 63365942Sgibbs ahc_set_syncrate(ahc, &devinfo, syncrate, 63465942Sgibbs spi->sync_period, spi->sync_offset, 63565942Sgibbs spi->ppr_options, update_type, 63665942Sgibbs /*paused*/FALSE); 63765942Sgibbs } 63865942Sgibbs ahc_unlock(ahc, &s); 63965942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 64065942Sgibbs xpt_done(ccb); 64165942Sgibbs#else 64265942Sgibbs struct ahc_devinfo devinfo; 64365942Sgibbs struct ccb_trans_settings *cts; 64465942Sgibbs struct ahc_initiator_tinfo *tinfo; 64565942Sgibbs struct tmode_tstate *tstate; 64665942Sgibbs uint16_t *discenable; 64765942Sgibbs uint16_t *tagenable; 64865942Sgibbs u_int update_type; 64965942Sgibbs long s; 65065942Sgibbs 65165942Sgibbs cts = &ccb->cts; 65265942Sgibbs ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 65365942Sgibbs cts->ccb_h.target_id, 65465942Sgibbs cts->ccb_h.target_lun, 65565942Sgibbs SIM_CHANNEL(ahc, sim), 65665942Sgibbs ROLE_UNKNOWN); 65765942Sgibbs tinfo = ahc_fetch_transinfo(ahc, devinfo.channel, 65865942Sgibbs devinfo.our_scsiid, 65965942Sgibbs devinfo.target, &tstate); 66065942Sgibbs update_type = 0; 66165942Sgibbs if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) { 66265942Sgibbs update_type |= AHC_TRANS_GOAL; 66365942Sgibbs discenable = &tstate->discenable; 66465942Sgibbs tagenable = &tstate->tagenable; 66565942Sgibbs } else if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) { 66665942Sgibbs update_type |= AHC_TRANS_USER; 66765942Sgibbs discenable = &ahc->user_discenable; 66865942Sgibbs tagenable = &ahc->user_tagenable; 66965942Sgibbs } else { 67065942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 67165942Sgibbs xpt_done(ccb); 67265942Sgibbs break; 67365942Sgibbs } 67465942Sgibbs 67565942Sgibbs ahc_lock(ahc, &s); 67665942Sgibbs 67765942Sgibbs if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) { 67865942Sgibbs if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) 67965942Sgibbs *discenable |= devinfo.target_mask; 68065942Sgibbs else 68165942Sgibbs *discenable &= ~devinfo.target_mask; 68265942Sgibbs } 68365942Sgibbs 68465942Sgibbs if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) { 68565942Sgibbs if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) 68665942Sgibbs *tagenable |= devinfo.target_mask; 68765942Sgibbs else 68865942Sgibbs *tagenable &= ~devinfo.target_mask; 68965942Sgibbs } 69065942Sgibbs 69165942Sgibbs if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) { 69268087Sgibbs ahc_validate_width(ahc, /*tinfo limit*/NULL, 69368087Sgibbs &cts->bus_width, ROLE_UNKNOWN); 69465942Sgibbs ahc_set_width(ahc, &devinfo, cts->bus_width, 69565942Sgibbs update_type, /*paused*/FALSE); 69665942Sgibbs } 69765942Sgibbs 69865942Sgibbs if ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) == 0) { 69965942Sgibbs if (update_type == AHC_TRANS_USER) 70065942Sgibbs cts->sync_offset = tinfo->user.offset; 70165942Sgibbs else 70265942Sgibbs cts->sync_offset = tinfo->goal.offset; 70365942Sgibbs } 70465942Sgibbs 70565942Sgibbs if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) == 0) { 70665942Sgibbs if (update_type == AHC_TRANS_USER) 70765942Sgibbs cts->sync_period = tinfo->user.period; 70865942Sgibbs else 70965942Sgibbs cts->sync_period = tinfo->goal.period; 71065942Sgibbs } 71165942Sgibbs 71265942Sgibbs if (((cts->valid & CCB_TRANS_SYNC_RATE_VALID) != 0) 71365942Sgibbs || ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) != 0)) { 71465942Sgibbs struct ahc_syncrate *syncrate; 71565942Sgibbs u_int ppr_options; 71665942Sgibbs u_int maxsync; 71765942Sgibbs 71865942Sgibbs if ((ahc->features & AHC_ULTRA2) != 0) 71965942Sgibbs maxsync = AHC_SYNCRATE_DT; 72065942Sgibbs else if ((ahc->features & AHC_ULTRA) != 0) 72165942Sgibbs maxsync = AHC_SYNCRATE_ULTRA; 72265942Sgibbs else 72365942Sgibbs maxsync = AHC_SYNCRATE_FAST; 72465942Sgibbs 72565942Sgibbs ppr_options = 0; 72665942Sgibbs if (cts->sync_period <= 9) 72765942Sgibbs ppr_options = MSG_EXT_PPR_DT_REQ; 72865942Sgibbs 72965942Sgibbs syncrate = ahc_find_syncrate(ahc, &cts->sync_period, 73065942Sgibbs &ppr_options, 73165942Sgibbs maxsync); 73268087Sgibbs ahc_validate_offset(ahc, /*tinfo limit*/NULL, 73368087Sgibbs syncrate, &cts->sync_offset, 73468087Sgibbs MSG_EXT_WDTR_BUS_8_BIT, 73568087Sgibbs ROLE_UNKNOWN); 73665942Sgibbs 73765942Sgibbs /* We use a period of 0 to represent async */ 73865942Sgibbs if (cts->sync_offset == 0) { 73965942Sgibbs cts->sync_period = 0; 74065942Sgibbs ppr_options = 0; 74165942Sgibbs } 74265942Sgibbs 74365942Sgibbs if (ppr_options == MSG_EXT_PPR_DT_REQ 74465942Sgibbs && tinfo->user.transport_version >= 3) { 74565942Sgibbs tinfo->goal.transport_version = 74665942Sgibbs tinfo->user.transport_version; 74765942Sgibbs tinfo->current.transport_version = 74865942Sgibbs tinfo->user.transport_version; 74965942Sgibbs } 75065942Sgibbs 75165942Sgibbs ahc_set_syncrate(ahc, &devinfo, syncrate, 75265942Sgibbs cts->sync_period, cts->sync_offset, 75365942Sgibbs ppr_options, update_type, 75465942Sgibbs /*paused*/FALSE); 75565942Sgibbs } 75665942Sgibbs ahc_unlock(ahc, &s); 75765942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 75865942Sgibbs xpt_done(ccb); 75965942Sgibbs#endif 76065942Sgibbs break; 76165942Sgibbs } 76265942Sgibbs case XPT_GET_TRAN_SETTINGS: 76365942Sgibbs /* Get default/user set transfer settings for the target */ 76465942Sgibbs { 76565942Sgibbs 76665942Sgibbs ahc_lock(ahc, &s); 76765942Sgibbs ahc_get_tran_settings(ahc, SIM_SCSI_ID(ahc, sim), 76865942Sgibbs SIM_CHANNEL(ahc, sim), &ccb->cts); 76965942Sgibbs ahc_unlock(ahc, &s); 77065942Sgibbs xpt_done(ccb); 77165942Sgibbs break; 77265942Sgibbs } 77365942Sgibbs case XPT_CALC_GEOMETRY: 77465942Sgibbs { 77565942Sgibbs struct ccb_calc_geometry *ccg; 77665942Sgibbs uint32_t size_mb; 77765942Sgibbs uint32_t secs_per_cylinder; 77865942Sgibbs int extended; 77965942Sgibbs 78065942Sgibbs ccg = &ccb->ccg; 78165942Sgibbs size_mb = ccg->volume_size 78265942Sgibbs / ((1024L * 1024L) / ccg->block_size); 78365942Sgibbs extended = SIM_IS_SCSIBUS_B(ahc, sim) 78465942Sgibbs ? ahc->flags & AHC_EXTENDED_TRANS_B 78565942Sgibbs : ahc->flags & AHC_EXTENDED_TRANS_A; 78665942Sgibbs 78765942Sgibbs if (size_mb > 1024 && extended) { 78865942Sgibbs ccg->heads = 255; 78965942Sgibbs ccg->secs_per_track = 63; 79065942Sgibbs } else { 79165942Sgibbs ccg->heads = 64; 79265942Sgibbs ccg->secs_per_track = 32; 79365942Sgibbs } 79465942Sgibbs secs_per_cylinder = ccg->heads * ccg->secs_per_track; 79565942Sgibbs ccg->cylinders = ccg->volume_size / secs_per_cylinder; 79665942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 79765942Sgibbs xpt_done(ccb); 79865942Sgibbs break; 79965942Sgibbs } 80065942Sgibbs case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 80165942Sgibbs { 80265942Sgibbs int found; 80365942Sgibbs 80465942Sgibbs ahc_lock(ahc, &s); 80565942Sgibbs found = ahc_reset_channel(ahc, SIM_CHANNEL(ahc, sim), 80665942Sgibbs /*initiate reset*/TRUE); 80765942Sgibbs ahc_unlock(ahc, &s); 80865942Sgibbs if (bootverbose) { 80965942Sgibbs xpt_print_path(SIM_PATH(ahc, sim)); 81065942Sgibbs printf("SCSI bus reset delivered. " 81165942Sgibbs "%d SCBs aborted.\n", found); 81265942Sgibbs } 81365942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 81465942Sgibbs xpt_done(ccb); 81565942Sgibbs break; 81665942Sgibbs } 81765942Sgibbs case XPT_TERM_IO: /* Terminate the I/O process */ 81865942Sgibbs /* XXX Implement */ 81965942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 82065942Sgibbs xpt_done(ccb); 82165942Sgibbs break; 82265942Sgibbs case XPT_PATH_INQ: /* Path routing inquiry */ 82365942Sgibbs { 82465942Sgibbs struct ccb_pathinq *cpi = &ccb->cpi; 82565942Sgibbs 82665942Sgibbs cpi->version_num = 1; /* XXX??? */ 82765942Sgibbs cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 82865942Sgibbs if ((ahc->features & AHC_WIDE) != 0) 82965942Sgibbs cpi->hba_inquiry |= PI_WIDE_16; 83068087Sgibbs if ((ahc->features & AHC_TARGETMODE) != 0) { 83165942Sgibbs cpi->target_sprt = PIT_PROCESSOR 83265942Sgibbs | PIT_DISCONNECT 83365942Sgibbs | PIT_TERM_IO; 83465942Sgibbs } else { 83565942Sgibbs cpi->target_sprt = 0; 83665942Sgibbs } 83768087Sgibbs cpi->hba_misc = 0; 83865942Sgibbs cpi->hba_eng_cnt = 0; 83965942Sgibbs cpi->max_target = (ahc->features & AHC_WIDE) ? 15 : 7; 84070204Sgibbs cpi->max_lun = AHC_NUM_LUNS - 1; 84165942Sgibbs if (SIM_IS_SCSIBUS_B(ahc, sim)) { 84265942Sgibbs cpi->initiator_id = ahc->our_id_b; 84365942Sgibbs if ((ahc->flags & AHC_RESET_BUS_B) == 0) 84465942Sgibbs cpi->hba_misc |= PIM_NOBUSRESET; 84565942Sgibbs } else { 84665942Sgibbs cpi->initiator_id = ahc->our_id; 84765942Sgibbs if ((ahc->flags & AHC_RESET_BUS_A) == 0) 84865942Sgibbs cpi->hba_misc |= PIM_NOBUSRESET; 84965942Sgibbs } 85065942Sgibbs cpi->bus_id = cam_sim_bus(sim); 85165942Sgibbs cpi->base_transfer_speed = 3300; 85265942Sgibbs strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 85365942Sgibbs strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 85465942Sgibbs strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 85565942Sgibbs cpi->unit_number = cam_sim_unit(sim); 85665942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 85765942Sgibbs cpi->protocol = PROTO_SCSI; 85865942Sgibbs cpi->protocol_version = SCSI_REV_2; 85965942Sgibbs cpi->transport = XPORT_SPI; 86065942Sgibbs cpi->transport_version = 2; 86165942Sgibbs cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST; 86265942Sgibbs if ((ahc->features & AHC_DT) != 0) { 86365942Sgibbs cpi->transport_version = 3; 86465942Sgibbs cpi->xport_specific.spi.ppr_options = 86565942Sgibbs SID_SPI_CLOCK_DT_ST; 86665942Sgibbs } 86765942Sgibbs#endif 86865942Sgibbs cpi->ccb_h.status = CAM_REQ_CMP; 86965942Sgibbs xpt_done(ccb); 87065942Sgibbs break; 87165942Sgibbs } 87265942Sgibbs default: 87368087Sgibbs ccb->ccb_h.status = CAM_PROVIDE_FAIL; 87465942Sgibbs xpt_done(ccb); 87565942Sgibbs break; 87665942Sgibbs } 87765942Sgibbs} 87865942Sgibbs 87965942Sgibbsstatic void 88065942Sgibbsahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel, 88165942Sgibbs struct ccb_trans_settings *cts) 88265942Sgibbs{ 88365942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 88465942Sgibbs struct ahc_devinfo devinfo; 88565942Sgibbs struct ccb_trans_settings_scsi *scsi; 88665942Sgibbs struct ccb_trans_settings_spi *spi; 88765942Sgibbs struct ahc_initiator_tinfo *targ_info; 88865942Sgibbs struct tmode_tstate *tstate; 88965942Sgibbs struct ahc_transinfo *tinfo; 89065942Sgibbs 89165942Sgibbs scsi = &cts->proto_specific.scsi; 89265942Sgibbs spi = &cts->xport_specific.spi; 89365942Sgibbs ahc_compile_devinfo(&devinfo, our_id, 89465942Sgibbs cts->ccb_h.target_id, 89565942Sgibbs cts->ccb_h.target_lun, 89665942Sgibbs channel, ROLE_UNKNOWN); 89765942Sgibbs targ_info = ahc_fetch_transinfo(ahc, devinfo.channel, 89865942Sgibbs devinfo.our_scsiid, 89965942Sgibbs devinfo.target, &tstate); 90065942Sgibbs 90165942Sgibbs if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 90265942Sgibbs tinfo = &targ_info->current; 90365942Sgibbs else 90465942Sgibbs tinfo = &targ_info->user; 90565942Sgibbs 90665942Sgibbs scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 90765942Sgibbs spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 90865942Sgibbs if (cts->type == CTS_TYPE_USER_SETTINGS) { 90965942Sgibbs if ((ahc->user_discenable & devinfo.target_mask) != 0) 91065942Sgibbs spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 91165942Sgibbs 91265942Sgibbs if ((ahc->user_tagenable & devinfo.target_mask) != 0) 91365942Sgibbs scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 91465942Sgibbs } else { 91565942Sgibbs if ((tstate->discenable & devinfo.target_mask) != 0) 91665942Sgibbs spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 91765942Sgibbs 91865942Sgibbs if ((tstate->tagenable & devinfo.target_mask) != 0) 91965942Sgibbs scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 92065942Sgibbs } 92165942Sgibbs cts->protocol_version = tinfo->protocol_version; 92265942Sgibbs cts->transport_version = tinfo->transport_version; 92365942Sgibbs 92465942Sgibbs spi->sync_period = tinfo->period; 92565942Sgibbs spi->sync_offset = tinfo->offset; 92665942Sgibbs spi->bus_width = tinfo->width; 92765942Sgibbs spi->ppr_options = tinfo->ppr_options; 92865942Sgibbs 92965942Sgibbs cts->protocol = PROTO_SCSI; 93065942Sgibbs cts->transport = XPORT_SPI; 93165942Sgibbs spi->valid = CTS_SPI_VALID_SYNC_RATE 93265942Sgibbs | CTS_SPI_VALID_SYNC_OFFSET 93365942Sgibbs | CTS_SPI_VALID_BUS_WIDTH 93465942Sgibbs | CTS_SPI_VALID_PPR_OPTIONS; 93565942Sgibbs 93666717Sgibbs if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 93766717Sgibbs scsi->valid = CTS_SCSI_VALID_TQ; 93866717Sgibbs spi->valid |= CTS_SPI_VALID_DISC; 93966717Sgibbs } else { 94066717Sgibbs scsi->valid = 0; 94166717Sgibbs } 94266717Sgibbs 94365942Sgibbs cts->ccb_h.status = CAM_REQ_CMP; 94465942Sgibbs#else 94565942Sgibbs struct ahc_devinfo devinfo; 94665942Sgibbs struct ahc_initiator_tinfo *targ_info; 94765942Sgibbs struct tmode_tstate *tstate; 94865942Sgibbs struct ahc_transinfo *tinfo; 94965942Sgibbs long s; 95065942Sgibbs 95165942Sgibbs ahc_compile_devinfo(&devinfo, our_id, 95265942Sgibbs cts->ccb_h.target_id, 95365942Sgibbs cts->ccb_h.target_lun, 95465942Sgibbs channel, ROLE_UNKNOWN); 95565942Sgibbs targ_info = ahc_fetch_transinfo(ahc, devinfo.channel, 95665942Sgibbs devinfo.our_scsiid, 95765942Sgibbs devinfo.target, &tstate); 95865942Sgibbs 95965942Sgibbs if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) 96065942Sgibbs tinfo = &targ_info->current; 96165942Sgibbs else 96265942Sgibbs tinfo = &targ_info->user; 96365942Sgibbs 96465942Sgibbs ahc_lock(ahc, &s); 96565942Sgibbs 96665942Sgibbs cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); 96766760Sgibbs if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) == 0) { 96865942Sgibbs if ((ahc->user_discenable & devinfo.target_mask) != 0) 96965942Sgibbs cts->flags |= CCB_TRANS_DISC_ENB; 97065942Sgibbs 97165942Sgibbs if ((ahc->user_tagenable & devinfo.target_mask) != 0) 97265942Sgibbs cts->flags |= CCB_TRANS_TAG_ENB; 97365942Sgibbs } else { 97465942Sgibbs if ((tstate->discenable & devinfo.target_mask) != 0) 97565942Sgibbs cts->flags |= CCB_TRANS_DISC_ENB; 97665942Sgibbs 97765942Sgibbs if ((tstate->tagenable & devinfo.target_mask) != 0) 97865942Sgibbs cts->flags |= CCB_TRANS_TAG_ENB; 97965942Sgibbs } 98065942Sgibbs cts->sync_period = tinfo->period; 98165942Sgibbs cts->sync_offset = tinfo->offset; 98265942Sgibbs cts->bus_width = tinfo->width; 98365942Sgibbs 98465942Sgibbs ahc_unlock(ahc, &s); 98565942Sgibbs 98665942Sgibbs cts->valid = CCB_TRANS_SYNC_RATE_VALID 98765942Sgibbs | CCB_TRANS_SYNC_OFFSET_VALID 98866717Sgibbs | CCB_TRANS_BUS_WIDTH_VALID; 98965942Sgibbs 99066717Sgibbs if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) 99166717Sgibbs cts->valid |= CCB_TRANS_DISC_VALID|CCB_TRANS_TQ_VALID; 99266717Sgibbs 99365942Sgibbs cts->ccb_h.status = CAM_REQ_CMP; 99465942Sgibbs#endif 99565942Sgibbs} 99665942Sgibbs 99765942Sgibbsstatic void 99865942Sgibbsahc_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 99965942Sgibbs{ 100065942Sgibbs struct ahc_softc *ahc; 100165942Sgibbs struct cam_sim *sim; 100265942Sgibbs 100365942Sgibbs sim = (struct cam_sim *)callback_arg; 100465942Sgibbs ahc = (struct ahc_softc *)cam_sim_softc(sim); 100565942Sgibbs switch (code) { 100665942Sgibbs case AC_LOST_DEVICE: 100765942Sgibbs { 100865942Sgibbs struct ahc_devinfo devinfo; 100965942Sgibbs long s; 101065942Sgibbs 101165942Sgibbs ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 101265942Sgibbs xpt_path_target_id(path), 101365942Sgibbs xpt_path_lun_id(path), 101465942Sgibbs SIM_CHANNEL(ahc, sim), 101565942Sgibbs ROLE_UNKNOWN); 101665942Sgibbs 101765942Sgibbs /* 101865942Sgibbs * Revert to async/narrow transfers 101965942Sgibbs * for the next device. 102065942Sgibbs */ 102165942Sgibbs ahc_lock(ahc, &s); 102265942Sgibbs ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, 102365942Sgibbs AHC_TRANS_GOAL|AHC_TRANS_CUR, /*paused*/FALSE); 102465942Sgibbs ahc_set_syncrate(ahc, &devinfo, /*syncrate*/NULL, 102565942Sgibbs /*period*/0, /*offset*/0, /*ppr_options*/0, 102665942Sgibbs AHC_TRANS_GOAL|AHC_TRANS_CUR, 102765942Sgibbs /*paused*/FALSE); 102865942Sgibbs ahc_unlock(ahc, &s); 102965942Sgibbs break; 103065942Sgibbs } 103165942Sgibbs default: 103265942Sgibbs break; 103365942Sgibbs } 103465942Sgibbs} 103565942Sgibbs 103665942Sgibbsstatic void 103765942Sgibbsahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, 103865942Sgibbs int error) 103965942Sgibbs{ 104066717Sgibbs struct scb *scb; 104166717Sgibbs union ccb *ccb; 104266717Sgibbs struct ahc_softc *ahc; 104366717Sgibbs struct ahc_initiator_tinfo *tinfo; 104466717Sgibbs struct tmode_tstate *tstate; 104566717Sgibbs u_int mask; 104666717Sgibbs long s; 104765942Sgibbs 104865942Sgibbs scb = (struct scb *)arg; 104965942Sgibbs ccb = scb->io_ctx; 105066986Sgibbs ahc = scb->ahc_softc; 105165942Sgibbs 105265942Sgibbs if (error != 0) { 105365942Sgibbs if (error == EFBIG) 105465942Sgibbs ahc_set_transaction_status(scb, CAM_REQ_TOO_BIG); 105565942Sgibbs else 105665942Sgibbs ahc_set_transaction_status(scb, CAM_REQ_CMP_ERR); 105765942Sgibbs if (nsegments != 0) 105865942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 105966647Sgibbs ahc_lock(ahc, &s); 106065942Sgibbs ahc_free_scb(ahc, scb); 106166647Sgibbs ahc_unlock(ahc, &s); 106265942Sgibbs xpt_done(ccb); 106365942Sgibbs return; 106465942Sgibbs } 106565942Sgibbs if (nsegments != 0) { 106665942Sgibbs struct ahc_dma_seg *sg; 106765942Sgibbs bus_dma_segment_t *end_seg; 106865942Sgibbs bus_dmasync_op_t op; 106965942Sgibbs 107065942Sgibbs end_seg = dm_segs + nsegments; 107165942Sgibbs 107265942Sgibbs /* Copy the segments into our SG list */ 107365942Sgibbs sg = scb->sg_list; 107465942Sgibbs while (dm_segs < end_seg) { 107565942Sgibbs sg->addr = dm_segs->ds_addr; 107665942Sgibbs/* XXX Add in the 5th byte of the address later. */ 107765942Sgibbs sg->len = dm_segs->ds_len; 107865942Sgibbs sg++; 107965942Sgibbs dm_segs++; 108065942Sgibbs } 108165942Sgibbs 108265942Sgibbs /* 108365942Sgibbs * Note where to find the SG entries in bus space. 108465942Sgibbs * We also set the full residual flag which the 108565942Sgibbs * sequencer will clear as soon as a data transfer 108665942Sgibbs * occurs. 108765942Sgibbs */ 108865942Sgibbs scb->hscb->sgptr = scb->sg_list_phys | SG_FULL_RESID; 108965942Sgibbs 109065942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 109165942Sgibbs op = BUS_DMASYNC_PREREAD; 109265942Sgibbs else 109365942Sgibbs op = BUS_DMASYNC_PREWRITE; 109465942Sgibbs 109565942Sgibbs bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 109665942Sgibbs 109765942Sgibbs if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 109865942Sgibbs struct target_data *tdata; 109965942Sgibbs 110065942Sgibbs tdata = &scb->hscb->shared_data.tdata; 110165942Sgibbs tdata->target_phases |= DPHASE_PENDING; 110265942Sgibbs if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 110365942Sgibbs tdata->data_phase = P_DATAOUT; 110465942Sgibbs else 110565942Sgibbs tdata->data_phase = P_DATAIN; 110665942Sgibbs 110765942Sgibbs /* 110865942Sgibbs * If the transfer is of an odd length and in the 110965942Sgibbs * "in" direction (scsi->HostBus), then it may 111065942Sgibbs * trigger a bug in the 'WideODD' feature of 111165942Sgibbs * non-Ultra2 chips. Force the total data-length 111265942Sgibbs * to be even by adding an extra, 1 byte, SG, 111365942Sgibbs * element. We do this even if we are not currently 111465942Sgibbs * negotiated wide as negotiation could occur before 111565942Sgibbs * this command is executed. 111665942Sgibbs */ 111765942Sgibbs if ((ahc->bugs & AHC_TMODE_WIDEODD_BUG) != 0 111865942Sgibbs && (ccb->csio.dxfer_len & 0x1) != 0 111965942Sgibbs && (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 112065942Sgibbs 112165942Sgibbs nsegments++; 112265942Sgibbs if (nsegments > AHC_NSEG) { 112365942Sgibbs 112465942Sgibbs ahc_set_transaction_status(scb, 112565942Sgibbs CAM_REQ_TOO_BIG); 112665942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, 112765942Sgibbs scb->dmamap); 112866647Sgibbs ahc_lock(ahc, &s); 112965942Sgibbs ahc_free_scb(ahc, scb); 113066647Sgibbs ahc_unlock(ahc, &s); 113165942Sgibbs xpt_done(ccb); 113265942Sgibbs return; 113365942Sgibbs } 113465942Sgibbs sg->addr = ahc->dma_bug_buf; 113565942Sgibbs sg->len = 1; 113665942Sgibbs sg++; 113765942Sgibbs } 113865942Sgibbs } 113965942Sgibbs sg--; 114065942Sgibbs sg->len |= AHC_DMA_LAST_SEG; 114165942Sgibbs 114265942Sgibbs /* Copy the first SG into the "current" data pointer area */ 114365942Sgibbs scb->hscb->dataptr = scb->sg_list->addr; 114465942Sgibbs scb->hscb->datacnt = scb->sg_list->len; 114565942Sgibbs } else { 114665942Sgibbs scb->hscb->sgptr = SG_LIST_NULL; 114765942Sgibbs scb->hscb->dataptr = 0; 114865942Sgibbs scb->hscb->datacnt = 0; 114965942Sgibbs } 115065942Sgibbs 115165942Sgibbs scb->sg_count = nsegments; 115265942Sgibbs 115365942Sgibbs ahc_lock(ahc, &s); 115465942Sgibbs 115565942Sgibbs /* 115665942Sgibbs * Last time we need to check if this SCB needs to 115765942Sgibbs * be aborted. 115865942Sgibbs */ 115965942Sgibbs if (ahc_get_transaction_status(scb) != CAM_REQ_INPROG) { 116065942Sgibbs if (nsegments != 0) 116165942Sgibbs bus_dmamap_unload(ahc->buffer_dmat, 116265942Sgibbs scb->dmamap); 116365942Sgibbs ahc_free_scb(ahc, scb); 116466647Sgibbs ahc_unlock(ahc, &s); 116565942Sgibbs xpt_done(ccb); 116665942Sgibbs return; 116765942Sgibbs } 116865942Sgibbs 116966717Sgibbs tinfo = ahc_fetch_transinfo(ahc, SCSIID_CHANNEL(ahc, scb->hscb->scsiid), 117066717Sgibbs SCSIID_OUR_ID(scb->hscb->scsiid), 117168087Sgibbs SCSIID_TARGET(ahc, scb->hscb->scsiid), 117268087Sgibbs &tstate); 117366717Sgibbs 117466717Sgibbs mask = SCB_GET_TARGET_MASK(ahc, scb); 117566717Sgibbs scb->hscb->scsirate = tinfo->scsirate; 117666717Sgibbs scb->hscb->scsioffset = tinfo->current.offset; 117766717Sgibbs if ((tstate->ultraenb & mask) != 0) 117866717Sgibbs scb->hscb->control |= ULTRAENB; 117966717Sgibbs 118066717Sgibbs if ((tstate->discenable & mask) != 0 118166717Sgibbs && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) 118266717Sgibbs scb->hscb->control |= DISCENB; 118366717Sgibbs 118466717Sgibbs if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 118570204Sgibbs && (tinfo->goal.width != 0 118670204Sgibbs || tinfo->goal.period != 0 118770204Sgibbs || tinfo->goal.ppr_options != 0)) { 118866717Sgibbs scb->flags |= SCB_NEGOTIATE; 118966717Sgibbs scb->hscb->control |= MK_MESSAGE; 119066717Sgibbs } 119166717Sgibbs 119265942Sgibbs LIST_INSERT_HEAD(&ahc->pending_scbs, scb, pending_links); 119365942Sgibbs 119465942Sgibbs ccb->ccb_h.status |= CAM_SIM_QUEUED; 119565942Sgibbs 119665942Sgibbs if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 119765942Sgibbs if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT) 119865942Sgibbs ccb->ccb_h.timeout = 5 * 1000; 119965942Sgibbs ccb->ccb_h.timeout_ch = 120065942Sgibbs timeout(ahc_timeout, (caddr_t)scb, 120165942Sgibbs (ccb->ccb_h.timeout * hz) / 1000); 120265942Sgibbs } 120365942Sgibbs 120465942Sgibbs /* 120565942Sgibbs * We only allow one untagged transaction 120665942Sgibbs * per target in the initiator role unless 120765942Sgibbs * we are storing a full busy target *lun* 120865942Sgibbs * table in SCB space. 120965942Sgibbs */ 121065942Sgibbs if ((scb->hscb->control & (TARGET_SCB|TAG_ENB)) == 0 121165942Sgibbs && (ahc->features & AHC_SCB_BTT) == 0) { 121265942Sgibbs struct scb_tailq *untagged_q; 121365942Sgibbs 121465942Sgibbs untagged_q = &(ahc->untagged_queues[ccb->ccb_h.target_id]); 121565942Sgibbs TAILQ_INSERT_TAIL(untagged_q, scb, links.tqe); 121666986Sgibbs scb->flags |= SCB_UNTAGGEDQ; 121765942Sgibbs if (TAILQ_FIRST(untagged_q) != scb) { 121865942Sgibbs ahc_unlock(ahc, &s); 121965942Sgibbs return; 122065942Sgibbs } 122165942Sgibbs } 122265942Sgibbs scb->flags |= SCB_ACTIVE; 122365942Sgibbs 122465942Sgibbs if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { 122565942Sgibbs pause_sequencer(ahc); 122665942Sgibbs if ((ahc->flags & AHC_PAGESCBS) == 0) 122765942Sgibbs ahc_outb(ahc, SCBPTR, scb->hscb->tag); 122865942Sgibbs ahc_outb(ahc, SCB_TAG, scb->hscb->tag); 122965942Sgibbs ahc_outb(ahc, RETURN_1, CONT_MSG_LOOP); 123065942Sgibbs unpause_sequencer(ahc); 123165942Sgibbs } else { 123265942Sgibbs ahc_queue_scb(ahc, scb); 123365942Sgibbs } 123465942Sgibbs 123565942Sgibbs ahc_unlock(ahc, &s); 123665942Sgibbs} 123765942Sgibbs 123865942Sgibbsstatic void 123965942Sgibbsahc_poll(struct cam_sim *sim) 124065942Sgibbs{ 124165942Sgibbs ahc_intr(cam_sim_softc(sim)); 124265942Sgibbs} 124365942Sgibbs 124465942Sgibbsstatic void 124565942Sgibbsahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 124665942Sgibbs struct ccb_scsiio *csio, struct scb *scb) 124765942Sgibbs{ 124865942Sgibbs struct hardware_scb *hscb; 124965942Sgibbs struct ccb_hdr *ccb_h; 125065942Sgibbs 125165942Sgibbs hscb = scb->hscb; 125265942Sgibbs ccb_h = &csio->ccb_h; 125365942Sgibbs 125465942Sgibbs if (ccb_h->func_code == XPT_SCSI_IO) { 125565942Sgibbs hscb->cdb_len = csio->cdb_len; 125665942Sgibbs if ((ccb_h->flags & CAM_CDB_POINTER) != 0) { 125765942Sgibbs 125865942Sgibbs if (hscb->cdb_len > sizeof(hscb->cdb32) 125965942Sgibbs || (ccb_h->flags & CAM_CDB_PHYS) != 0) { 126066647Sgibbs u_long s; 126166647Sgibbs 126265942Sgibbs ahc_set_transaction_status(scb, 126365942Sgibbs CAM_REQ_INVALID); 126466647Sgibbs ahc_lock(ahc, &s); 126565942Sgibbs ahc_free_scb(ahc, scb); 126666647Sgibbs ahc_unlock(ahc, &s); 126766647Sgibbs xpt_done((union ccb *)csio); 126865942Sgibbs return; 126965942Sgibbs } 127065942Sgibbs if (hscb->cdb_len > 12) { 127165942Sgibbs memcpy(hscb->cdb32, 127265942Sgibbs csio->cdb_io.cdb_ptr, 127365942Sgibbs hscb->cdb_len); 127468087Sgibbs scb->flags |= SCB_CDB32_PTR; 127565942Sgibbs } else { 127665942Sgibbs memcpy(hscb->shared_data.cdb, 127765942Sgibbs csio->cdb_io.cdb_ptr, 127865942Sgibbs hscb->cdb_len); 127965942Sgibbs } 128065942Sgibbs } else { 128165942Sgibbs if (hscb->cdb_len > 12) { 128265942Sgibbs memcpy(hscb->cdb32, csio->cdb_io.cdb_bytes, 128365942Sgibbs hscb->cdb_len); 128468087Sgibbs scb->flags |= SCB_CDB32_PTR; 128565942Sgibbs } else { 128665942Sgibbs memcpy(hscb->shared_data.cdb, 128765942Sgibbs csio->cdb_io.cdb_bytes, 128865942Sgibbs hscb->cdb_len); 128965942Sgibbs } 129065942Sgibbs } 129165942Sgibbs } 129265942Sgibbs 129365942Sgibbs /* Only use S/G if there is a transfer */ 129465942Sgibbs if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 129565942Sgibbs if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) { 129665942Sgibbs /* We've been given a pointer to a single buffer */ 129765942Sgibbs if ((ccb_h->flags & CAM_DATA_PHYS) == 0) { 129865942Sgibbs int s; 129965942Sgibbs int error; 130065942Sgibbs 130165942Sgibbs s = splsoftvm(); 130265942Sgibbs error = bus_dmamap_load(ahc->buffer_dmat, 130365942Sgibbs scb->dmamap, 130465942Sgibbs csio->data_ptr, 130565942Sgibbs csio->dxfer_len, 130665942Sgibbs ahc_execute_scb, 130765942Sgibbs scb, /*flags*/0); 130865942Sgibbs if (error == EINPROGRESS) { 130965942Sgibbs /* 131065942Sgibbs * So as to maintain ordering, 131165942Sgibbs * freeze the controller queue 131265942Sgibbs * until our mapping is 131365942Sgibbs * returned. 131465942Sgibbs */ 131565942Sgibbs xpt_freeze_simq(sim, 131665942Sgibbs /*count*/1); 131765942Sgibbs scb->io_ctx->ccb_h.status |= 131865942Sgibbs CAM_RELEASE_SIMQ; 131965942Sgibbs } 132065942Sgibbs splx(s); 132165942Sgibbs } else { 132265942Sgibbs struct bus_dma_segment seg; 132365942Sgibbs 132465942Sgibbs /* Pointer to physical buffer */ 132565942Sgibbs if (csio->dxfer_len > AHC_MAXTRANSFER_SIZE) 132665942Sgibbs panic("ahc_setup_data - Transfer size " 132765942Sgibbs "larger than can device max"); 132865942Sgibbs 132965942Sgibbs seg.ds_addr = (bus_addr_t)csio->data_ptr; 133065942Sgibbs seg.ds_len = csio->dxfer_len; 133165942Sgibbs ahc_execute_scb(scb, &seg, 1, 0); 133265942Sgibbs } 133365942Sgibbs } else { 133465942Sgibbs struct bus_dma_segment *segs; 133565942Sgibbs 133665942Sgibbs if ((ccb_h->flags & CAM_DATA_PHYS) != 0) 133765942Sgibbs panic("ahc_setup_data - Physical segment " 133865942Sgibbs "pointers unsupported"); 133965942Sgibbs 134065942Sgibbs if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0) 134165942Sgibbs panic("ahc_setup_data - Virtual segment " 134265942Sgibbs "addresses unsupported"); 134365942Sgibbs 134465942Sgibbs /* Just use the segments provided */ 134565942Sgibbs segs = (struct bus_dma_segment *)csio->data_ptr; 134665942Sgibbs ahc_execute_scb(scb, segs, csio->sglist_cnt, 0); 134765942Sgibbs } 134865942Sgibbs } else { 134965942Sgibbs ahc_execute_scb(scb, NULL, 0, 0); 135065942Sgibbs } 135165942Sgibbs} 135265942Sgibbs 135365942Sgibbsstatic void 135465942Sgibbsahc_set_recoveryscb(struct ahc_softc *ahc, struct scb *scb) { 135565942Sgibbs 135665942Sgibbs if ((scb->flags & SCB_RECOVERY_SCB) == 0) { 135765942Sgibbs struct scb *list_scb; 135865942Sgibbs 135965942Sgibbs scb->flags |= SCB_RECOVERY_SCB; 136065942Sgibbs 136165942Sgibbs /* 136265942Sgibbs * Take all queued, but not sent SCBs out of the equation. 136365942Sgibbs * Also ensure that no new CCBs are queued to us while we 136465942Sgibbs * try to fix this problem. 136565942Sgibbs */ 136665942Sgibbs if ((scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 136765942Sgibbs xpt_freeze_simq(SCB_GET_SIM(ahc, scb), /*count*/1); 136865942Sgibbs scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 136965942Sgibbs } 137065942Sgibbs 137165942Sgibbs /* 137265942Sgibbs * Go through all of our pending SCBs and remove 137365942Sgibbs * any scheduled timeouts for them. We will reschedule 137465942Sgibbs * them after we've successfully fixed this problem. 137565942Sgibbs */ 137665942Sgibbs LIST_FOREACH(list_scb, &ahc->pending_scbs, pending_links) { 137765942Sgibbs union ccb *ccb; 137865942Sgibbs 137965942Sgibbs ccb = list_scb->io_ctx; 138065942Sgibbs untimeout(ahc_timeout, list_scb, ccb->ccb_h.timeout_ch); 138165942Sgibbs } 138265942Sgibbs } 138365942Sgibbs} 138465942Sgibbs 138565942Sgibbsvoid 138665942Sgibbsahc_timeout(void *arg) 138765942Sgibbs{ 138865942Sgibbs struct scb *scb; 138965942Sgibbs struct ahc_softc *ahc; 139065942Sgibbs long s; 139165942Sgibbs int found; 139265942Sgibbs u_int last_phase; 139365942Sgibbs int target; 139465942Sgibbs int lun; 139565942Sgibbs int i; 139665942Sgibbs char channel; 139765942Sgibbs 139865942Sgibbs scb = (struct scb *)arg; 139966986Sgibbs ahc = (struct ahc_softc *)scb->ahc_softc; 140065942Sgibbs 140165942Sgibbs ahc_lock(ahc, &s); 140265942Sgibbs 140370204Sgibbs ahc_pause_and_flushwork(ahc); 140465942Sgibbs 140565942Sgibbs if ((scb->flags & SCB_ACTIVE) == 0) { 140665942Sgibbs /* Previous timeout took care of me already */ 140766986Sgibbs printf("%s: Timedout SCB already complete. " 140866986Sgibbs "Interrupts may not be functioning.\n", ahc_name(ahc)); 140965942Sgibbs unpause_sequencer(ahc); 141065942Sgibbs ahc_unlock(ahc, &s); 141165942Sgibbs return; 141265942Sgibbs } 141365942Sgibbs 141465942Sgibbs target = SCB_GET_TARGET(ahc, scb); 141565942Sgibbs channel = SCB_GET_CHANNEL(ahc, scb); 141665942Sgibbs lun = SCB_GET_LUN(scb); 141765942Sgibbs 141868087Sgibbs ahc_print_path(ahc, scb); 141965942Sgibbs printf("SCB 0x%x - timed out ", scb->hscb->tag); 142065942Sgibbs /* 142165942Sgibbs * Take a snapshot of the bus state and print out 142265942Sgibbs * some information so we can track down driver bugs. 142365942Sgibbs */ 142465942Sgibbs last_phase = ahc_inb(ahc, LASTPHASE); 142565942Sgibbs 142665942Sgibbs for (i = 0; i < num_phases; i++) { 142765942Sgibbs if (last_phase == phase_table[i].phase) 142865942Sgibbs break; 142965942Sgibbs } 143065942Sgibbs printf("%s", phase_table[i].phasemsg); 143165942Sgibbs 143265942Sgibbs printf(", SEQADDR == 0x%x\n", 143365942Sgibbs ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8)); 143465942Sgibbs 143568087Sgibbs printf("STACK == 0x%x, 0x%x, 0x%x, 0x%x\n", 143668087Sgibbs ahc_inb(ahc, STACK) | (ahc_inb(ahc, STACK) << 8), 143768087Sgibbs ahc_inb(ahc, STACK) | (ahc_inb(ahc, STACK) << 8), 143868087Sgibbs ahc_inb(ahc, STACK) | (ahc_inb(ahc, STACK) << 8), 143968087Sgibbs ahc_inb(ahc, STACK) | (ahc_inb(ahc, STACK) << 8)); 144068087Sgibbs 144168087Sgibbs printf("SXFRCTL0 == 0x%x\n", ahc_inb(ahc, SXFRCTL0)); 144268087Sgibbs 144368087Sgibbs ahc_dump_card_state(ahc); 144465942Sgibbs if (scb->sg_count > 0) { 144565942Sgibbs for (i = 0; i < scb->sg_count; i++) { 144665942Sgibbs printf("sg[%d] - Addr 0x%x : Length %d\n", 144765942Sgibbs i, 144865942Sgibbs scb->sg_list[i].addr, 144966800Sgibbs scb->sg_list[i].len & AHC_SG_LEN_MASK); 145065942Sgibbs } 145165942Sgibbs } 145265942Sgibbs if (scb->flags & (SCB_DEVICE_RESET|SCB_ABORT)) { 145365942Sgibbs /* 145465942Sgibbs * Been down this road before. 145565942Sgibbs * Do a full bus reset. 145665942Sgibbs */ 145765942Sgibbsbus_reset: 145865942Sgibbs ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT); 145965942Sgibbs found = ahc_reset_channel(ahc, channel, /*Initiate Reset*/TRUE); 146065942Sgibbs printf("%s: Issued Channel %c Bus Reset. " 146165942Sgibbs "%d SCBs aborted\n", ahc_name(ahc), channel, found); 146265942Sgibbs } else { 146365942Sgibbs /* 146465942Sgibbs * If we are a target, transition to bus free and report 146565942Sgibbs * the timeout. 146665942Sgibbs * 146765942Sgibbs * The target/initiator that is holding up the bus may not 146865942Sgibbs * be the same as the one that triggered this timeout 146965942Sgibbs * (different commands have different timeout lengths). 147065942Sgibbs * If the bus is idle and we are actiing as the initiator 147165942Sgibbs * for this request, queue a BDR message to the timed out 147265942Sgibbs * target. Otherwise, if the timed out transaction is 147365942Sgibbs * active: 147465942Sgibbs * Initiator transaction: 147565942Sgibbs * Stuff the message buffer with a BDR message and assert 147665942Sgibbs * ATN in the hopes that the target will let go of the bus 147765942Sgibbs * and go to the mesgout phase. If this fails, we'll 147865942Sgibbs * get another timeout 2 seconds later which will attempt 147965942Sgibbs * a bus reset. 148065942Sgibbs * 148165942Sgibbs * Target transaction: 148265942Sgibbs * Transition to BUS FREE and report the error. 148365942Sgibbs * It's good to be the target! 148465942Sgibbs */ 148565942Sgibbs u_int active_scb_index; 148668087Sgibbs u_int saved_scbptr; 148765942Sgibbs 148868087Sgibbs saved_scbptr = ahc_inb(ahc, SCBPTR); 148965942Sgibbs active_scb_index = ahc_inb(ahc, SCB_TAG); 149065942Sgibbs 149165942Sgibbs if (last_phase != P_BUSFREE 149268579Sgibbs && (ahc_inb(ahc, SEQ_FLAGS) & IDENTIFY_SEEN) != 0 149365942Sgibbs && (active_scb_index < ahc->scb_data->numscbs)) { 149465942Sgibbs struct scb *active_scb; 149565942Sgibbs 149665942Sgibbs /* 149768087Sgibbs * If the active SCB is not us, assume that 149868087Sgibbs * the active SCB has a longer timeout than 149968087Sgibbs * the timedout SCB, and wait for the active 150068087Sgibbs * SCB to timeout. 150165942Sgibbs */ 150266800Sgibbs active_scb = ahc_lookup_scb(ahc, active_scb_index); 150368087Sgibbs if (active_scb != scb) { 150465942Sgibbs struct ccb_hdr *ccbh; 150565942Sgibbs u_int newtimeout; 150665942Sgibbs 150765942Sgibbs ahc_print_path(ahc, scb); 150865942Sgibbs printf("Other SCB Timeout%s", 150965942Sgibbs (scb->flags & SCB_OTHERTCL_TIMEOUT) != 0 151065942Sgibbs ? " again\n" : "\n"); 151165942Sgibbs scb->flags |= SCB_OTHERTCL_TIMEOUT; 151265942Sgibbs newtimeout = 151365942Sgibbs MAX(active_scb->io_ctx->ccb_h.timeout, 151465942Sgibbs scb->io_ctx->ccb_h.timeout); 151565942Sgibbs ccbh = &scb->io_ctx->ccb_h; 151665942Sgibbs scb->io_ctx->ccb_h.timeout_ch = 151765942Sgibbs timeout(ahc_timeout, scb, 151865942Sgibbs (newtimeout * hz) / 1000); 151965942Sgibbs ahc_unlock(ahc, &s); 152065942Sgibbs return; 152165942Sgibbs } 152265942Sgibbs 152365942Sgibbs /* It's us */ 152465942Sgibbs if ((scb->hscb->control & TARGET_SCB) != 0) { 152565942Sgibbs 152665942Sgibbs /* 152765942Sgibbs * Send back any queued up transactions 152865942Sgibbs * and properly record the error condition. 152965942Sgibbs */ 153065942Sgibbs ahc_freeze_devq(ahc, scb); 153165942Sgibbs ahc_set_transaction_status(scb, 153265942Sgibbs CAM_CMD_TIMEOUT); 153365942Sgibbs ahc_freeze_scb(scb); 153465942Sgibbs ahc_done(ahc, scb); 153565942Sgibbs 153665942Sgibbs /* Will clear us from the bus */ 153765942Sgibbs restart_sequencer(ahc); 153866717Sgibbs ahc_unlock(ahc, &s); 153965942Sgibbs return; 154065942Sgibbs } 154165942Sgibbs 154265942Sgibbs ahc_set_recoveryscb(ahc, active_scb); 154366845Sgibbs ahc_outb(ahc, MSG_OUT, HOST_MSG); 154465942Sgibbs ahc_outb(ahc, SCSISIGO, last_phase|ATNO); 154565942Sgibbs ahc_print_path(ahc, active_scb); 154665942Sgibbs printf("BDR message in message buffer\n"); 154768087Sgibbs active_scb->flags |= SCB_DEVICE_RESET; 154865942Sgibbs active_scb->io_ctx->ccb_h.timeout_ch = 154965942Sgibbs timeout(ahc_timeout, (caddr_t)active_scb, 2 * hz); 155065942Sgibbs unpause_sequencer(ahc); 155165942Sgibbs } else { 155265942Sgibbs int disconnected; 155365942Sgibbs 155465942Sgibbs /* XXX Shouldn't panic. Just punt instead */ 155565942Sgibbs if ((scb->hscb->control & TARGET_SCB) != 0) 155665942Sgibbs panic("Timed-out target SCB but bus idle"); 155765942Sgibbs 155865942Sgibbs if (last_phase != P_BUSFREE 155965942Sgibbs && (ahc_inb(ahc, SSTAT0) & TARGET) != 0) { 156065942Sgibbs /* XXX What happened to the SCB? */ 156165942Sgibbs /* Hung target selection. Goto busfree */ 156265942Sgibbs printf("%s: Hung target selection\n", 156365942Sgibbs ahc_name(ahc)); 156465942Sgibbs restart_sequencer(ahc); 156566717Sgibbs ahc_unlock(ahc, &s); 156665942Sgibbs return; 156765942Sgibbs } 156865942Sgibbs 156965942Sgibbs if (ahc_search_qinfifo(ahc, target, channel, lun, 157065942Sgibbs scb->hscb->tag, ROLE_INITIATOR, 157165942Sgibbs /*status*/0, SEARCH_COUNT) > 0) { 157265942Sgibbs disconnected = FALSE; 157365942Sgibbs } else { 157465942Sgibbs disconnected = TRUE; 157565942Sgibbs } 157665942Sgibbs 157765942Sgibbs if (disconnected) { 157865942Sgibbs 157965942Sgibbs ahc_set_recoveryscb(ahc, scb); 158065942Sgibbs /* 158166800Sgibbs * Actually re-queue this SCB in an attempt 158266800Sgibbs * to select the device before it reconnects. 158366800Sgibbs * In either case (selection or reselection), 158466800Sgibbs * we will now issue a target reset to the 158566800Sgibbs * timed-out device. 158666800Sgibbs * 158766845Sgibbs * Set the MK_MESSAGE control bit indicating 158866845Sgibbs * that we desire to send a message. We 158966845Sgibbs * also set the disconnected flag since 159066845Sgibbs * in the paging case there is no guarantee 159166845Sgibbs * that our SCB control byte matches the 159266845Sgibbs * version on the card. We don't want the 159366845Sgibbs * sequencer to abort the command thinking 159466845Sgibbs * an unsolicited reselection occurred. 159566845Sgibbs */ 159666845Sgibbs scb->hscb->control |= MK_MESSAGE|DISCONNECTED; 159766845Sgibbs scb->flags |= SCB_DEVICE_RESET; 159866845Sgibbs 159966845Sgibbs /* 160066800Sgibbs * Remove any cached copy of this SCB in the 160166800Sgibbs * disconnected list in preparation for the 160266800Sgibbs * queuing of our abort SCB. We use the 160366800Sgibbs * same element in the SCB, SCB_NEXT, for 160466800Sgibbs * both the qinfifo and the disconnected list. 160565942Sgibbs */ 160666800Sgibbs ahc_search_disc_list(ahc, target, channel, 160766800Sgibbs lun, scb->hscb->tag, 160866800Sgibbs /*stop_on_first*/TRUE, 160966800Sgibbs /*remove*/TRUE, 161066845Sgibbs /*save_state*/FALSE); 161165942Sgibbs 161265942Sgibbs /* 161366845Sgibbs * In the non-paging case, the sequencer will 161466845Sgibbs * never re-reference the in-core SCB. 161566845Sgibbs * To make sure we are notified during 161666845Sgibbs * reslection, set the MK_MESSAGE flag in 161766845Sgibbs * the card's copy of the SCB. 161866845Sgibbs */ 161968579Sgibbs if ((ahc->flags & AHC_PAGESCBS) == 0) { 162066845Sgibbs ahc_outb(ahc, SCBPTR, scb->hscb->tag); 162166845Sgibbs ahc_outb(ahc, SCB_CONTROL, 162266845Sgibbs ahc_inb(ahc, SCB_CONTROL) 162366845Sgibbs | MK_MESSAGE); 162466845Sgibbs } 162566845Sgibbs 162666845Sgibbs /* 162765942Sgibbs * Clear out any entries in the QINFIFO first 162865942Sgibbs * so we are the next SCB for this target 162965942Sgibbs * to run. 163065942Sgibbs */ 163165942Sgibbs ahc_search_qinfifo(ahc, 163265942Sgibbs SCB_GET_TARGET(ahc, scb), 163365942Sgibbs channel, SCB_GET_LUN(scb), 163465942Sgibbs SCB_LIST_NULL, 163565942Sgibbs ROLE_INITIATOR, 163665942Sgibbs CAM_REQUEUE_REQ, 163765942Sgibbs SEARCH_COMPLETE); 163865942Sgibbs ahc_print_path(ahc, scb); 163965942Sgibbs printf("Queuing a BDR SCB\n"); 164068087Sgibbs ahc_qinfifo_requeue_tail(ahc, scb); 164168087Sgibbs ahc_outb(ahc, SCBPTR, saved_scbptr); 164265942Sgibbs scb->io_ctx->ccb_h.timeout_ch = 164365942Sgibbs timeout(ahc_timeout, (caddr_t)scb, 2 * hz); 164465942Sgibbs unpause_sequencer(ahc); 164565942Sgibbs } else { 164665942Sgibbs /* Go "immediatly" to the bus reset */ 164765942Sgibbs /* This shouldn't happen */ 164865942Sgibbs ahc_set_recoveryscb(ahc, scb); 164965942Sgibbs ahc_print_path(ahc, scb); 165065942Sgibbs printf("SCB %d: Immediate reset. " 165165942Sgibbs "Flags = 0x%x\n", scb->hscb->tag, 165265942Sgibbs scb->flags); 165365942Sgibbs goto bus_reset; 165465942Sgibbs } 165565942Sgibbs } 165665942Sgibbs } 165765942Sgibbs ahc_unlock(ahc, &s); 165865942Sgibbs} 165965942Sgibbs 166065942Sgibbsstatic void 166165942Sgibbsahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, union ccb *ccb) 166265942Sgibbs{ 166365942Sgibbs union ccb *abort_ccb; 166465942Sgibbs 166565942Sgibbs abort_ccb = ccb->cab.abort_ccb; 166665942Sgibbs switch (abort_ccb->ccb_h.func_code) { 166765942Sgibbs case XPT_ACCEPT_TARGET_IO: 166865942Sgibbs case XPT_IMMED_NOTIFY: 166965942Sgibbs case XPT_CONT_TARGET_IO: 167065942Sgibbs { 167165942Sgibbs struct tmode_tstate *tstate; 167265942Sgibbs struct tmode_lstate *lstate; 167365942Sgibbs struct ccb_hdr_slist *list; 167465942Sgibbs cam_status status; 167565942Sgibbs 167665942Sgibbs status = ahc_find_tmode_devs(ahc, sim, abort_ccb, &tstate, 167765942Sgibbs &lstate, TRUE); 167865942Sgibbs 167965942Sgibbs if (status != CAM_REQ_CMP) { 168065942Sgibbs ccb->ccb_h.status = status; 168165942Sgibbs break; 168265942Sgibbs } 168365942Sgibbs 168465942Sgibbs if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 168565942Sgibbs list = &lstate->accept_tios; 168665942Sgibbs else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) 168765942Sgibbs list = &lstate->immed_notifies; 168865942Sgibbs else 168965942Sgibbs list = NULL; 169065942Sgibbs 169165942Sgibbs if (list != NULL) { 169265942Sgibbs struct ccb_hdr *curelm; 169365942Sgibbs int found; 169465942Sgibbs 169565942Sgibbs curelm = SLIST_FIRST(list); 169665942Sgibbs found = 0; 169765942Sgibbs if (curelm == &abort_ccb->ccb_h) { 169865942Sgibbs found = 1; 169965942Sgibbs SLIST_REMOVE_HEAD(list, sim_links.sle); 170065942Sgibbs } else { 170165942Sgibbs while(curelm != NULL) { 170265942Sgibbs struct ccb_hdr *nextelm; 170365942Sgibbs 170465942Sgibbs nextelm = 170565942Sgibbs SLIST_NEXT(curelm, sim_links.sle); 170665942Sgibbs 170765942Sgibbs if (nextelm == &abort_ccb->ccb_h) { 170865942Sgibbs found = 1; 170965942Sgibbs SLIST_NEXT(curelm, 171065942Sgibbs sim_links.sle) = 171165942Sgibbs SLIST_NEXT(nextelm, 171265942Sgibbs sim_links.sle); 171365942Sgibbs break; 171465942Sgibbs } 171565942Sgibbs curelm = nextelm; 171665942Sgibbs } 171765942Sgibbs } 171865942Sgibbs 171965942Sgibbs if (found) { 172065942Sgibbs abort_ccb->ccb_h.status = CAM_REQ_ABORTED; 172165942Sgibbs xpt_done(abort_ccb); 172265942Sgibbs ccb->ccb_h.status = CAM_REQ_CMP; 172365942Sgibbs } else { 172468087Sgibbs xpt_print_path(abort_ccb->ccb_h.path); 172565942Sgibbs printf("Not found\n"); 172665942Sgibbs ccb->ccb_h.status = CAM_PATH_INVALID; 172765942Sgibbs } 172865942Sgibbs break; 172965942Sgibbs } 173065942Sgibbs /* FALLTHROUGH */ 173165942Sgibbs } 173265942Sgibbs case XPT_SCSI_IO: 173365942Sgibbs /* XXX Fully implement the hard ones */ 173465942Sgibbs ccb->ccb_h.status = CAM_UA_ABORT; 173565942Sgibbs break; 173665942Sgibbs default: 173765942Sgibbs ccb->ccb_h.status = CAM_REQ_INVALID; 173865942Sgibbs break; 173965942Sgibbs } 174065942Sgibbs xpt_done(ccb); 174165942Sgibbs} 174265942Sgibbs 174365942Sgibbsvoid 174466269Sgibbsahc_send_async(struct ahc_softc *ahc, char channel, u_int target, 174566269Sgibbs u_int lun, ac_code code) 174665942Sgibbs{ 174765942Sgibbs struct ccb_trans_settings cts; 174865942Sgibbs struct cam_path *path; 174965942Sgibbs void *arg; 175065942Sgibbs int error; 175165942Sgibbs 175265942Sgibbs arg = NULL; 175366269Sgibbs error = ahc_create_path(ahc, channel, target, lun, &path); 175465942Sgibbs 175565942Sgibbs if (error != CAM_REQ_CMP) 175665942Sgibbs return; 175765942Sgibbs 175865942Sgibbs switch (code) { 175965942Sgibbs case AC_TRANSFER_NEG: 176065942Sgibbs#ifdef AHC_NEW_TRAN_SETTINGS 176165942Sgibbs cts.type = CTS_TYPE_CURRENT_SETTINGS; 176265942Sgibbs#else 176365942Sgibbs cts.flags = CCB_TRANS_CURRENT_SETTINGS; 176465942Sgibbs#endif 176565942Sgibbs cts.ccb_h.path = path; 176666269Sgibbs cts.ccb_h.target_id = target; 176766269Sgibbs cts.ccb_h.target_lun = lun; 176866269Sgibbs ahc_get_tran_settings(ahc, channel == 'A' ? ahc->our_id 176966269Sgibbs : ahc->our_id_b, 177066269Sgibbs channel, &cts); 177165942Sgibbs arg = &cts; 177265942Sgibbs break; 177365942Sgibbs case AC_SENT_BDR: 177465942Sgibbs case AC_BUS_RESET: 177565942Sgibbs break; 177665942Sgibbs default: 177765942Sgibbs panic("ahc_send_async: Unexpected async event"); 177865942Sgibbs } 177965942Sgibbs xpt_async(code, path, arg); 178068402Sgibbs xpt_free_path(path); 178165942Sgibbs} 178265942Sgibbs 178365942Sgibbsvoid 178465942Sgibbsahc_platform_set_tags(struct ahc_softc *ahc, 178565942Sgibbs struct ahc_devinfo *devinfo, int enable) 178665942Sgibbs{ 178765942Sgibbs} 178865942Sgibbs 178965942Sgibbsint 179065942Sgibbsahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg) 179165942Sgibbs{ 179267888Sdwmalone ahc->platform_data = malloc(sizeof(struct ahc_platform_data), M_DEVBUF, 179367888Sdwmalone M_NOWAIT | M_ZERO); 179465942Sgibbs if (ahc->platform_data == NULL) 179565942Sgibbs return (ENOMEM); 179665942Sgibbs return (0); 179765942Sgibbs} 179865942Sgibbs 179965942Sgibbsvoid 180065942Sgibbsahc_platform_free(struct ahc_softc *ahc) 180165942Sgibbs{ 180270204Sgibbs struct ahc_platform_data *pdata; 180370204Sgibbs 180470204Sgibbs pdata = ahc->platform_data; 180570204Sgibbs if (pdata != NULL) { 180670204Sgibbs device_printf(ahc->dev_softc, "Platform free\n"); 180770204Sgibbs if (pdata->regs != NULL) 180865942Sgibbs bus_release_resource(ahc->dev_softc, 180970204Sgibbs pdata->regs_res_type, 181070204Sgibbs pdata->regs_res_id, 181170204Sgibbs pdata->regs); 181265942Sgibbs 181370204Sgibbs if (pdata->irq != NULL) 181465942Sgibbs bus_release_resource(ahc->dev_softc, 181570204Sgibbs pdata->irq_res_type, 181670204Sgibbs 0, pdata->irq); 181765942Sgibbs 181870204Sgibbs if (pdata->sim_b != NULL) { 181970204Sgibbs xpt_async(AC_LOST_DEVICE, pdata->path_b, NULL); 182070204Sgibbs xpt_free_path(pdata->path_b); 182170204Sgibbs xpt_bus_deregister(cam_sim_path(pdata->sim_b)); 182270204Sgibbs cam_sim_free(pdata->sim_b, /*free_devq*/TRUE); 182370204Sgibbs } 182470204Sgibbs if (pdata->sim != NULL) { 182570204Sgibbs xpt_async(AC_LOST_DEVICE, pdata->path, NULL); 182670204Sgibbs xpt_free_path(pdata->path); 182770204Sgibbs xpt_bus_deregister(cam_sim_path(pdata->sim)); 182870204Sgibbs cam_sim_free(pdata->sim, /*free_devq*/TRUE); 182970204Sgibbs } 183070204Sgibbs if (pdata->eh != NULL) 183170204Sgibbs EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh); 183265942Sgibbs free(ahc->platform_data, M_DEVBUF); 183365942Sgibbs } 183465942Sgibbs} 183565942Sgibbs 183665942Sgibbsint 183765942Sgibbsahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc) 183865942Sgibbs{ 183965942Sgibbs /* We don't sort softcs under FreeBSD so report equal always */ 184065942Sgibbs return (0); 184165942Sgibbs} 184265942Sgibbs 184370204Sgibbsint 184470204Sgibbsahc_detach(device_t dev) 184570204Sgibbs{ 184670204Sgibbs struct ahc_softc *ahc; 184770204Sgibbs u_long s; 184870204Sgibbs 184970204Sgibbs device_printf(dev, "detaching device\n"); 185070204Sgibbs ahc = device_get_softc(dev); 185170204Sgibbs ahc_lock(ahc, &s); 185270204Sgibbs bus_teardown_intr(dev, ahc->platform_data->irq, ahc->platform_data->ih); 185370204Sgibbs ahc_unlock(ahc, &s); 185470204Sgibbs ahc_free(ahc); 185570204Sgibbs return (0); 185670204Sgibbs} 185770204Sgibbs 185865942Sgibbs#if UNUSED 185965942Sgibbsstatic void 186065942Sgibbsahc_dump_targcmd(struct target_cmd *cmd) 186165942Sgibbs{ 186265942Sgibbs uint8_t *byte; 186365942Sgibbs uint8_t *last_byte; 186465942Sgibbs int i; 186565942Sgibbs 186665942Sgibbs byte = &cmd->initiator_channel; 186765942Sgibbs /* Debugging info for received commands */ 186865942Sgibbs last_byte = &cmd[1].initiator_channel; 186965942Sgibbs 187065942Sgibbs i = 0; 187165942Sgibbs while (byte < last_byte) { 187265942Sgibbs if (i == 0) 187365942Sgibbs printf("\t"); 187465942Sgibbs printf("%#x", *byte++); 187565942Sgibbs i++; 187665942Sgibbs if (i == 8) { 187765942Sgibbs printf("\n"); 187865942Sgibbs i = 0; 187965942Sgibbs } else { 188065942Sgibbs printf(", "); 188165942Sgibbs } 188265942Sgibbs } 188365942Sgibbs} 188465942Sgibbs#endif 1885