1539 lines
38 KiB
C
1539 lines
38 KiB
C
/*-
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* Bus independent FreeBSD shim for the aic79xx based Adaptec SCSI controllers
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*
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* Copyright (c) 1994-2002, 2004 Justin T. Gibbs.
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* Copyright (c) 2001-2002 Adaptec Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU Public License ("GPL").
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.c#35 $
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*/
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#include <sys/cdefs.h>
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#include <dev/aic7xxx/aic79xx_osm.h>
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#include <dev/aic7xxx/aic79xx_inline.h>
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#include <sys/kthread.h>
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#include "opt_ddb.h"
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#ifdef DDB
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#include <ddb/ddb.h>
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#endif
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#ifndef AHD_TMODE_ENABLE
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#define AHD_TMODE_ENABLE 0
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#endif
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#include <dev/aic7xxx/aic_osm_lib.c>
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#define ccb_scb_ptr spriv_ptr0
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#if 0
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static void ahd_dump_targcmd(struct target_cmd *cmd);
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#endif
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static int ahd_modevent(module_t mod, int type, void *data);
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static void ahd_action(struct cam_sim *sim, union ccb *ccb);
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static void ahd_set_tran_settings(struct ahd_softc *ahd,
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int our_id, char channel,
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struct ccb_trans_settings *cts);
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static void ahd_get_tran_settings(struct ahd_softc *ahd,
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int our_id, char channel,
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struct ccb_trans_settings *cts);
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static void ahd_async(void *callback_arg, uint32_t code,
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struct cam_path *path, void *arg);
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static void ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs,
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int nsegments, int error);
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static void ahd_poll(struct cam_sim *sim);
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static void ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim,
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struct ccb_scsiio *csio, struct scb *scb);
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static void ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim,
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union ccb *ccb);
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static int ahd_create_path(struct ahd_softc *ahd,
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char channel, u_int target, u_int lun,
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struct cam_path **path);
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static const char *ahd_sysctl_node_elements[] = {
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"root",
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"summary",
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"debug"
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};
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#ifndef NO_SYSCTL_DESCR
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static const char *ahd_sysctl_node_descriptions[] = {
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"root error collection for aic79xx controllers",
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"summary collection for aic79xx controllers",
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"debug collection for aic79xx controllers"
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};
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#endif
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static const char *ahd_sysctl_errors_elements[] = {
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"Cerrors",
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"Uerrors",
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"Ferrors"
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};
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#ifndef NO_SYSCTL_DESCR
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static const char *ahd_sysctl_errors_descriptions[] = {
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"Correctable errors",
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"Uncorrectable errors",
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"Fatal errors"
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};
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#endif
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static int
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ahd_set_debugcounters(SYSCTL_HANDLER_ARGS)
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{
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struct ahd_softc *sc;
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int error, tmpv;
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tmpv = 0;
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sc = arg1;
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error = sysctl_handle_int(oidp, &tmpv, 0, req);
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if (error != 0 || req->newptr == NULL)
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return (error);
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if (tmpv < 0 || tmpv >= AHD_ERRORS_NUMBER)
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return (EINVAL);
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sc->summerr[arg2] = tmpv;
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return (0);
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}
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static int
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ahd_clear_allcounters(SYSCTL_HANDLER_ARGS)
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{
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struct ahd_softc *sc;
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int error, tmpv;
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tmpv = 0;
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sc = arg1;
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error = sysctl_handle_int(oidp, &tmpv, 0, req);
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if (error != 0 || req->newptr == NULL)
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return (error);
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if (tmpv != 0)
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bzero(sc->summerr, sizeof(sc->summerr));
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return (0);
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}
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static int
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ahd_create_path(struct ahd_softc *ahd, char channel, u_int target,
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u_int lun, struct cam_path **path)
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{
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path_id_t path_id;
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path_id = cam_sim_path(ahd->platform_data->sim);
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return (xpt_create_path(path, /*periph*/NULL,
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path_id, target, lun));
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}
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void
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ahd_sysctl(struct ahd_softc *ahd)
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{
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u_int i;
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for (i = 0; i < AHD_SYSCTL_NUMBER; i++)
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sysctl_ctx_init(&ahd->sysctl_ctx[i]);
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ahd->sysctl_tree[AHD_SYSCTL_ROOT] =
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SYSCTL_ADD_NODE(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT],
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SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
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device_get_nameunit(ahd->dev_softc),
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CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
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ahd_sysctl_node_descriptions[AHD_SYSCTL_ROOT]);
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SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT],
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SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]), OID_AUTO,
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"clear", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, ahd,
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0, ahd_clear_allcounters, "IU", "Clear all counters");
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for (i = AHD_SYSCTL_SUMMARY; i < AHD_SYSCTL_NUMBER; i++)
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ahd->sysctl_tree[i] =
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SYSCTL_ADD_NODE(&ahd->sysctl_ctx[i],
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SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]),
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OID_AUTO, ahd_sysctl_node_elements[i],
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CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
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ahd_sysctl_node_descriptions[i]);
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for (i = AHD_ERRORS_CORRECTABLE; i < AHD_ERRORS_NUMBER; i++) {
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SYSCTL_ADD_UINT(&ahd->sysctl_ctx[AHD_SYSCTL_SUMMARY],
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SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_SUMMARY]),
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OID_AUTO, ahd_sysctl_errors_elements[i],
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CTLFLAG_RD, &ahd->summerr[i], i,
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ahd_sysctl_errors_descriptions[i]);
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SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_DEBUG],
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SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_DEBUG]),
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OID_AUTO, ahd_sysctl_errors_elements[i],
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CTLFLAG_RW | CTLTYPE_UINT | CTLFLAG_MPSAFE, ahd, i,
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ahd_set_debugcounters, "IU",
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ahd_sysctl_errors_descriptions[i]);
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}
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}
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int
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ahd_map_int(struct ahd_softc *ahd)
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{
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int error;
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/* Hook up our interrupt handler */
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error = bus_setup_intr(ahd->dev_softc, ahd->platform_data->irq,
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INTR_TYPE_CAM|INTR_MPSAFE, NULL,
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ahd_platform_intr, ahd, &ahd->platform_data->ih);
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if (error != 0)
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device_printf(ahd->dev_softc, "bus_setup_intr() failed: %d\n",
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error);
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return (error);
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}
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/*
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* Attach all the sub-devices we can find
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*/
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int
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ahd_attach(struct ahd_softc *ahd)
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{
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char ahd_info[256];
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struct ccb_setasync csa;
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struct cam_devq *devq;
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struct cam_sim *sim;
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struct cam_path *path;
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int count;
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count = 0;
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devq = NULL;
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sim = NULL;
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path = NULL;
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/*
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* Create a thread to perform all recovery.
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*/
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if (ahd_spawn_recovery_thread(ahd) != 0)
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goto fail;
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ahd_controller_info(ahd, ahd_info);
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printf("%s\n", ahd_info);
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ahd_lock(ahd);
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/*
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* Create the device queue for our SIM(s).
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*/
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devq = cam_simq_alloc(AHD_MAX_QUEUE);
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if (devq == NULL)
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goto fail;
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/*
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* Construct our SIM entry
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*/
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sim = cam_sim_alloc(ahd_action, ahd_poll, "ahd", ahd,
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device_get_unit(ahd->dev_softc),
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&ahd->platform_data->mtx, 1, /*XXX*/256, devq);
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if (sim == NULL) {
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cam_simq_free(devq);
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goto fail;
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}
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if (xpt_bus_register(sim, ahd->dev_softc, /*bus_id*/0) != CAM_SUCCESS) {
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cam_sim_free(sim, /*free_devq*/TRUE);
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sim = NULL;
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goto fail;
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}
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if (xpt_create_path(&path, /*periph*/NULL,
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cam_sim_path(sim), CAM_TARGET_WILDCARD,
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CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
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xpt_bus_deregister(cam_sim_path(sim));
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cam_sim_free(sim, /*free_devq*/TRUE);
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sim = NULL;
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goto fail;
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}
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memset(&csa, 0, sizeof(csa));
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xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
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csa.ccb_h.func_code = XPT_SASYNC_CB;
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csa.event_enable = AC_LOST_DEVICE;
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csa.callback = ahd_async;
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csa.callback_arg = sim;
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xpt_action((union ccb *)&csa);
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count++;
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fail:
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ahd->platform_data->sim = sim;
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ahd->platform_data->path = path;
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ahd_unlock(ahd);
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if (count != 0) {
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/* We have to wait until after any system dumps... */
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ahd->platform_data->eh =
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EVENTHANDLER_REGISTER(shutdown_final, ahd_shutdown,
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ahd, SHUTDOWN_PRI_DEFAULT);
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ahd_intr_enable(ahd, TRUE);
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}
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return (count);
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}
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/*
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* Catch an interrupt from the adapter
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*/
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void
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ahd_platform_intr(void *arg)
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{
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struct ahd_softc *ahd;
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ahd = (struct ahd_softc *)arg;
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ahd_lock(ahd);
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ahd_intr(ahd);
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ahd_unlock(ahd);
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}
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/*
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* We have an scb which has been processed by the
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* adaptor, now we look to see how the operation
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* went.
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*/
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void
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ahd_done(struct ahd_softc *ahd, struct scb *scb)
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{
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union ccb *ccb;
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CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE,
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("ahd_done - scb %d\n", SCB_GET_TAG(scb)));
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ccb = scb->io_ctx;
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LIST_REMOVE(scb, pending_links);
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if ((scb->flags & SCB_TIMEDOUT) != 0)
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LIST_REMOVE(scb, timedout_links);
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callout_stop(&scb->io_timer);
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if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
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bus_dmasync_op_t op;
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if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
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op = BUS_DMASYNC_POSTREAD;
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else
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op = BUS_DMASYNC_POSTWRITE;
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bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
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bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
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}
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#ifdef AHD_TARGET_MODE
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if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
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struct cam_path *ccb_path;
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/*
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* If we have finally disconnected, clean up our
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* pending device state.
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* XXX - There may be error states that cause where
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* we will remain connected.
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*/
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ccb_path = ccb->ccb_h.path;
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if (ahd->pending_device != NULL
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&& xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) {
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if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
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ahd->pending_device = NULL;
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} else {
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xpt_print_path(ccb->ccb_h.path);
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printf("Still disconnected\n");
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ahd_freeze_ccb(ccb);
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}
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}
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if (aic_get_transaction_status(scb) == CAM_REQ_INPROG)
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ccb->ccb_h.status |= CAM_REQ_CMP;
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ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
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ahd_free_scb(ahd, scb);
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xpt_done(ccb);
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return;
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}
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#endif
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if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
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struct scb *list_scb;
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ahd->scb_data.recovery_scbs--;
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if (aic_get_transaction_status(scb) == CAM_BDR_SENT
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|| aic_get_transaction_status(scb) == CAM_REQ_ABORTED)
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aic_set_transaction_status(scb, CAM_CMD_TIMEOUT);
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if (ahd->scb_data.recovery_scbs == 0) {
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/*
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* All recovery actions have completed successfully,
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* so reinstate the timeouts for all other pending
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* commands.
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*/
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LIST_FOREACH(list_scb,
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&ahd->pending_scbs, pending_links) {
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aic_scb_timer_reset(list_scb,
|
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aic_get_timeout(scb));
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}
|
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|
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ahd_print_path(ahd, scb);
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printf("no longer in timeout, status = %x\n",
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ccb->ccb_h.status);
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}
|
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}
|
|
|
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/* Don't clobber any existing error state */
|
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if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) {
|
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ccb->ccb_h.status |= CAM_REQ_CMP;
|
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} else if ((scb->flags & SCB_SENSE) != 0) {
|
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/*
|
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* We performed autosense retrieval.
|
|
*
|
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* Zero any sense not transferred by the
|
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* device. The SCSI spec mandates that any
|
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* untransfered data should be assumed to be
|
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* zero. Complete the 'bounce' of sense information
|
|
* through buffers accessible via bus-space by
|
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* copying it into the clients csio.
|
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*/
|
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memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
|
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memcpy(&ccb->csio.sense_data,
|
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ahd_get_sense_buf(ahd, scb),
|
|
/* XXX What size do we want to use??? */
|
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sizeof(ccb->csio.sense_data)
|
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- ccb->csio.sense_resid);
|
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scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
|
|
} else if ((scb->flags & SCB_PKT_SENSE) != 0) {
|
|
struct scsi_status_iu_header *siu;
|
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u_int sense_len;
|
|
|
|
/*
|
|
* Copy only the sense data into the provided buffer.
|
|
*/
|
|
siu = (struct scsi_status_iu_header *)scb->sense_data;
|
|
sense_len = MIN(scsi_4btoul(siu->sense_length),
|
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sizeof(ccb->csio.sense_data));
|
|
memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
|
|
memcpy(&ccb->csio.sense_data,
|
|
ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu),
|
|
sense_len);
|
|
#ifdef AHD_DEBUG
|
|
if ((ahd_debug & AHD_SHOW_SENSE) != 0) {
|
|
uint8_t *sense_data = (uint8_t *)&ccb->csio.sense_data;
|
|
u_int i;
|
|
|
|
printf("Copied %d bytes of sense data offset %d:",
|
|
sense_len, SIU_SENSE_OFFSET(siu));
|
|
for (i = 0; i < sense_len; i++)
|
|
printf(" 0x%x", *sense_data++);
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
|
|
}
|
|
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
|
|
ahd_free_scb(ahd, scb);
|
|
xpt_done(ccb);
|
|
}
|
|
|
|
static void
|
|
ahd_action(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
struct ahd_softc *ahd;
|
|
#ifdef AHD_TARGET_MODE
|
|
struct ahd_tmode_lstate *lstate;
|
|
#endif
|
|
u_int target_id;
|
|
u_int our_id;
|
|
|
|
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n"));
|
|
|
|
ahd = (struct ahd_softc *)cam_sim_softc(sim);
|
|
|
|
target_id = ccb->ccb_h.target_id;
|
|
our_id = SIM_SCSI_ID(ahd, sim);
|
|
|
|
switch (ccb->ccb_h.func_code) {
|
|
/* Common cases first */
|
|
#ifdef AHD_TARGET_MODE
|
|
case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
|
|
case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/
|
|
{
|
|
struct ahd_tmode_tstate *tstate;
|
|
cam_status status;
|
|
|
|
status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
|
|
&lstate, TRUE);
|
|
|
|
if (status != CAM_REQ_CMP) {
|
|
if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
|
|
/* Response from the black hole device */
|
|
tstate = NULL;
|
|
lstate = ahd->black_hole;
|
|
} else {
|
|
ccb->ccb_h.status = status;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
}
|
|
if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
|
|
SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h,
|
|
sim_links.sle);
|
|
ccb->ccb_h.status = CAM_REQ_INPROG;
|
|
if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0)
|
|
ahd_run_tqinfifo(ahd, /*paused*/FALSE);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* The target_id represents the target we attempt to
|
|
* select. In target mode, this is the initiator of
|
|
* the original command.
|
|
*/
|
|
our_id = target_id;
|
|
target_id = ccb->csio.init_id;
|
|
/* FALLTHROUGH */
|
|
}
|
|
#endif
|
|
case XPT_SCSI_IO: /* Execute the requested I/O operation */
|
|
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
|
|
{
|
|
struct scb *scb;
|
|
struct hardware_scb *hscb;
|
|
struct ahd_initiator_tinfo *tinfo;
|
|
struct ahd_tmode_tstate *tstate;
|
|
u_int col_idx;
|
|
|
|
if ((ahd->flags & AHD_INITIATORROLE) == 0
|
|
&& (ccb->ccb_h.func_code == XPT_SCSI_IO
|
|
|| ccb->ccb_h.func_code == XPT_RESET_DEV)) {
|
|
ccb->ccb_h.status = CAM_PROVIDE_FAIL;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* get an scb to use.
|
|
*/
|
|
tinfo = ahd_fetch_transinfo(ahd, 'A', our_id,
|
|
target_id, &tstate);
|
|
if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0
|
|
|| (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0
|
|
|| ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
|
|
col_idx = AHD_NEVER_COL_IDX;
|
|
} else {
|
|
col_idx = AHD_BUILD_COL_IDX(target_id,
|
|
ccb->ccb_h.target_lun);
|
|
}
|
|
if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
|
|
xpt_freeze_simq(sim, /*count*/1);
|
|
ahd->flags |= AHD_RESOURCE_SHORTAGE;
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
hscb = scb->hscb;
|
|
|
|
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE,
|
|
("start scb(%p)\n", scb));
|
|
scb->io_ctx = ccb;
|
|
/*
|
|
* So we can find the SCB when an abort is requested
|
|
*/
|
|
ccb->ccb_h.ccb_scb_ptr = scb;
|
|
|
|
/*
|
|
* Put all the arguments for the xfer in the scb
|
|
*/
|
|
hscb->control = 0;
|
|
hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id);
|
|
hscb->lun = ccb->ccb_h.target_lun;
|
|
if (ccb->ccb_h.func_code == XPT_RESET_DEV) {
|
|
hscb->cdb_len = 0;
|
|
scb->flags |= SCB_DEVICE_RESET;
|
|
hscb->control |= MK_MESSAGE;
|
|
hscb->task_management = SIU_TASKMGMT_LUN_RESET;
|
|
ahd_execute_scb(scb, NULL, 0, 0);
|
|
} else {
|
|
#ifdef AHD_TARGET_MODE
|
|
if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
|
|
struct target_data *tdata;
|
|
|
|
tdata = &hscb->shared_data.tdata;
|
|
if (ahd->pending_device == lstate)
|
|
scb->flags |= SCB_TARGET_IMMEDIATE;
|
|
hscb->control |= TARGET_SCB;
|
|
tdata->target_phases = 0;
|
|
if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
|
|
tdata->target_phases |= SPHASE_PENDING;
|
|
tdata->scsi_status =
|
|
ccb->csio.scsi_status;
|
|
}
|
|
if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT)
|
|
tdata->target_phases |= NO_DISCONNECT;
|
|
|
|
tdata->initiator_tag =
|
|
ahd_htole16(ccb->csio.tag_id);
|
|
}
|
|
#endif
|
|
hscb->task_management = 0;
|
|
if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID)
|
|
hscb->control |= ccb->csio.tag_action;
|
|
|
|
ahd_setup_data(ahd, sim, &ccb->csio, scb);
|
|
}
|
|
break;
|
|
}
|
|
#ifdef AHD_TARGET_MODE
|
|
case XPT_NOTIFY_ACKNOWLEDGE:
|
|
case XPT_IMMEDIATE_NOTIFY:
|
|
{
|
|
struct ahd_tmode_tstate *tstate;
|
|
struct ahd_tmode_lstate *lstate;
|
|
cam_status status;
|
|
|
|
status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
|
|
&lstate, TRUE);
|
|
|
|
if (status != CAM_REQ_CMP) {
|
|
ccb->ccb_h.status = status;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h,
|
|
sim_links.sle);
|
|
ccb->ccb_h.status = CAM_REQ_INPROG;
|
|
ahd_send_lstate_events(ahd, lstate);
|
|
break;
|
|
}
|
|
case XPT_EN_LUN: /* Enable LUN as a target */
|
|
ahd_handle_en_lun(ahd, sim, ccb);
|
|
xpt_done(ccb);
|
|
break;
|
|
#endif
|
|
case XPT_ABORT: /* Abort the specified CCB */
|
|
{
|
|
ahd_abort_ccb(ahd, sim, ccb);
|
|
break;
|
|
}
|
|
case XPT_SET_TRAN_SETTINGS:
|
|
{
|
|
ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
|
|
SIM_CHANNEL(ahd, sim), &ccb->cts);
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
/* Get default/user set transfer settings for the target */
|
|
{
|
|
ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
|
|
SIM_CHANNEL(ahd, sim), &ccb->cts);
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_CALC_GEOMETRY:
|
|
{
|
|
aic_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A);
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
|
|
{
|
|
int found;
|
|
|
|
found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim),
|
|
/*initiate reset*/TRUE);
|
|
if (bootverbose) {
|
|
xpt_print_path(SIM_PATH(ahd, sim));
|
|
printf("SCSI bus reset delivered. "
|
|
"%d SCBs aborted.\n", found);
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_TERM_IO: /* Terminate the I/O process */
|
|
/* XXX Implement */
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
case XPT_PATH_INQ: /* Path routing inquiry */
|
|
{
|
|
struct ccb_pathinq *cpi = &ccb->cpi;
|
|
|
|
cpi->version_num = 1; /* XXX??? */
|
|
cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
|
|
if ((ahd->features & AHD_WIDE) != 0)
|
|
cpi->hba_inquiry |= PI_WIDE_16;
|
|
if ((ahd->features & AHD_TARGETMODE) != 0) {
|
|
cpi->target_sprt = PIT_PROCESSOR
|
|
| PIT_DISCONNECT
|
|
| PIT_TERM_IO;
|
|
} else {
|
|
cpi->target_sprt = 0;
|
|
}
|
|
cpi->hba_misc = 0;
|
|
cpi->hba_eng_cnt = 0;
|
|
cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7;
|
|
cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1;
|
|
cpi->initiator_id = ahd->our_id;
|
|
if ((ahd->flags & AHD_RESET_BUS_A) == 0) {
|
|
cpi->hba_misc |= PIM_NOBUSRESET;
|
|
}
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
cpi->base_transfer_speed = 3300;
|
|
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
|
|
strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
|
|
cpi->unit_number = cam_sim_unit(sim);
|
|
cpi->protocol = PROTO_SCSI;
|
|
cpi->protocol_version = SCSI_REV_2;
|
|
cpi->transport = XPORT_SPI;
|
|
cpi->transport_version = 4;
|
|
cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST
|
|
| SID_SPI_IUS
|
|
| SID_SPI_QAS;
|
|
cpi->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
default:
|
|
ccb->ccb_h.status = CAM_PROVIDE_FAIL;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
|
|
struct ccb_trans_settings *cts)
|
|
{
|
|
struct ahd_devinfo devinfo;
|
|
struct ccb_trans_settings_scsi *scsi;
|
|
struct ccb_trans_settings_spi *spi;
|
|
struct ahd_initiator_tinfo *tinfo;
|
|
struct ahd_tmode_tstate *tstate;
|
|
uint16_t *discenable;
|
|
uint16_t *tagenable;
|
|
u_int update_type;
|
|
|
|
scsi = &cts->proto_specific.scsi;
|
|
spi = &cts->xport_specific.spi;
|
|
ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
|
|
cts->ccb_h.target_id,
|
|
cts->ccb_h.target_lun,
|
|
SIM_CHANNEL(ahd, sim),
|
|
ROLE_UNKNOWN);
|
|
tinfo = ahd_fetch_transinfo(ahd, devinfo.channel,
|
|
devinfo.our_scsiid,
|
|
devinfo.target, &tstate);
|
|
update_type = 0;
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
|
|
update_type |= AHD_TRANS_GOAL;
|
|
discenable = &tstate->discenable;
|
|
tagenable = &tstate->tagenable;
|
|
tinfo->curr.protocol_version = cts->protocol_version;
|
|
tinfo->curr.transport_version = cts->transport_version;
|
|
tinfo->goal.protocol_version = cts->protocol_version;
|
|
tinfo->goal.transport_version = cts->transport_version;
|
|
} else if (cts->type == CTS_TYPE_USER_SETTINGS) {
|
|
update_type |= AHD_TRANS_USER;
|
|
discenable = &ahd->user_discenable;
|
|
tagenable = &ahd->user_tagenable;
|
|
tinfo->user.protocol_version = cts->protocol_version;
|
|
tinfo->user.transport_version = cts->transport_version;
|
|
} else {
|
|
cts->ccb_h.status = CAM_REQ_INVALID;
|
|
return;
|
|
}
|
|
|
|
if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
|
|
if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
|
|
*discenable |= devinfo.target_mask;
|
|
else
|
|
*discenable &= ~devinfo.target_mask;
|
|
}
|
|
|
|
if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
|
|
if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
|
|
*tagenable |= devinfo.target_mask;
|
|
else
|
|
*tagenable &= ~devinfo.target_mask;
|
|
}
|
|
|
|
if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
|
|
ahd_validate_width(ahd, /*tinfo limit*/NULL,
|
|
&spi->bus_width, ROLE_UNKNOWN);
|
|
ahd_set_width(ahd, &devinfo, spi->bus_width,
|
|
update_type, /*paused*/FALSE);
|
|
}
|
|
|
|
if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) {
|
|
if (update_type == AHD_TRANS_USER)
|
|
spi->ppr_options = tinfo->user.ppr_options;
|
|
else
|
|
spi->ppr_options = tinfo->goal.ppr_options;
|
|
}
|
|
|
|
if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) {
|
|
if (update_type == AHD_TRANS_USER)
|
|
spi->sync_offset = tinfo->user.offset;
|
|
else
|
|
spi->sync_offset = tinfo->goal.offset;
|
|
}
|
|
|
|
if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
|
|
if (update_type == AHD_TRANS_USER)
|
|
spi->sync_period = tinfo->user.period;
|
|
else
|
|
spi->sync_period = tinfo->goal.period;
|
|
}
|
|
|
|
if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
|
|
|| ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
|
|
u_int maxsync;
|
|
|
|
maxsync = AHD_SYNCRATE_MAX;
|
|
|
|
if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT)
|
|
spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
|
|
|
|
if ((*discenable & devinfo.target_mask) == 0)
|
|
spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
|
|
|
|
ahd_find_syncrate(ahd, &spi->sync_period,
|
|
&spi->ppr_options, maxsync);
|
|
ahd_validate_offset(ahd, /*tinfo limit*/NULL,
|
|
spi->sync_period, &spi->sync_offset,
|
|
spi->bus_width, ROLE_UNKNOWN);
|
|
|
|
/* We use a period of 0 to represent async */
|
|
if (spi->sync_offset == 0) {
|
|
spi->sync_period = 0;
|
|
spi->ppr_options = 0;
|
|
}
|
|
|
|
ahd_set_syncrate(ahd, &devinfo, spi->sync_period,
|
|
spi->sync_offset, spi->ppr_options,
|
|
update_type, /*paused*/FALSE);
|
|
}
|
|
cts->ccb_h.status = CAM_REQ_CMP;
|
|
}
|
|
|
|
static void
|
|
ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
|
|
struct ccb_trans_settings *cts)
|
|
{
|
|
struct ahd_devinfo devinfo;
|
|
struct ccb_trans_settings_scsi *scsi;
|
|
struct ccb_trans_settings_spi *spi;
|
|
struct ahd_initiator_tinfo *targ_info;
|
|
struct ahd_tmode_tstate *tstate;
|
|
struct ahd_transinfo *tinfo;
|
|
|
|
scsi = &cts->proto_specific.scsi;
|
|
spi = &cts->xport_specific.spi;
|
|
ahd_compile_devinfo(&devinfo, our_id,
|
|
cts->ccb_h.target_id,
|
|
cts->ccb_h.target_lun,
|
|
channel, ROLE_UNKNOWN);
|
|
targ_info = ahd_fetch_transinfo(ahd, devinfo.channel,
|
|
devinfo.our_scsiid,
|
|
devinfo.target, &tstate);
|
|
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
|
|
tinfo = &targ_info->curr;
|
|
else
|
|
tinfo = &targ_info->user;
|
|
|
|
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
|
|
spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
|
|
if (cts->type == CTS_TYPE_USER_SETTINGS) {
|
|
if ((ahd->user_discenable & devinfo.target_mask) != 0)
|
|
spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
|
|
|
|
if ((ahd->user_tagenable & devinfo.target_mask) != 0)
|
|
scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
|
|
} else {
|
|
if ((tstate->discenable & devinfo.target_mask) != 0)
|
|
spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
|
|
|
|
if ((tstate->tagenable & devinfo.target_mask) != 0)
|
|
scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
|
|
}
|
|
cts->protocol_version = tinfo->protocol_version;
|
|
cts->transport_version = tinfo->transport_version;
|
|
|
|
spi->sync_period = tinfo->period;
|
|
spi->sync_offset = tinfo->offset;
|
|
spi->bus_width = tinfo->width;
|
|
spi->ppr_options = tinfo->ppr_options;
|
|
|
|
cts->protocol = PROTO_SCSI;
|
|
cts->transport = XPORT_SPI;
|
|
spi->valid = CTS_SPI_VALID_SYNC_RATE
|
|
| CTS_SPI_VALID_SYNC_OFFSET
|
|
| CTS_SPI_VALID_BUS_WIDTH
|
|
| CTS_SPI_VALID_PPR_OPTIONS;
|
|
|
|
if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
|
|
scsi->valid = CTS_SCSI_VALID_TQ;
|
|
spi->valid |= CTS_SPI_VALID_DISC;
|
|
} else {
|
|
scsi->valid = 0;
|
|
}
|
|
|
|
cts->ccb_h.status = CAM_REQ_CMP;
|
|
}
|
|
|
|
static void
|
|
ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)
|
|
{
|
|
struct ahd_softc *ahd;
|
|
struct cam_sim *sim;
|
|
|
|
sim = (struct cam_sim *)callback_arg;
|
|
ahd = (struct ahd_softc *)cam_sim_softc(sim);
|
|
switch (code) {
|
|
case AC_LOST_DEVICE:
|
|
{
|
|
struct ahd_devinfo devinfo;
|
|
|
|
ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
|
|
xpt_path_target_id(path),
|
|
xpt_path_lun_id(path),
|
|
SIM_CHANNEL(ahd, sim),
|
|
ROLE_UNKNOWN);
|
|
|
|
/*
|
|
* Revert to async/narrow transfers
|
|
* for the next device.
|
|
*/
|
|
ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
|
|
AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE);
|
|
ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0,
|
|
/*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR,
|
|
/*paused*/FALSE);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
|
|
int error)
|
|
{
|
|
struct scb *scb;
|
|
union ccb *ccb;
|
|
struct ahd_softc *ahd;
|
|
struct ahd_initiator_tinfo *tinfo;
|
|
struct ahd_tmode_tstate *tstate;
|
|
u_int mask;
|
|
|
|
scb = (struct scb *)arg;
|
|
ccb = scb->io_ctx;
|
|
ahd = scb->ahd_softc;
|
|
|
|
if (error != 0) {
|
|
if (error == EFBIG)
|
|
aic_set_transaction_status(scb, CAM_REQ_TOO_BIG);
|
|
else
|
|
aic_set_transaction_status(scb, CAM_REQ_CMP_ERR);
|
|
if (nsegments != 0)
|
|
bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
|
|
ahd_free_scb(ahd, scb);
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
scb->sg_count = 0;
|
|
if (nsegments != 0) {
|
|
void *sg;
|
|
bus_dmasync_op_t op;
|
|
u_int i;
|
|
|
|
/* Copy the segments into our SG list */
|
|
for (i = nsegments, sg = scb->sg_list; i > 0; i--) {
|
|
sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr,
|
|
dm_segs->ds_len,
|
|
/*last*/i == 1);
|
|
dm_segs++;
|
|
}
|
|
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
|
|
op = BUS_DMASYNC_PREREAD;
|
|
else
|
|
op = BUS_DMASYNC_PREWRITE;
|
|
|
|
bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
|
|
|
|
if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
|
|
struct target_data *tdata;
|
|
|
|
tdata = &scb->hscb->shared_data.tdata;
|
|
tdata->target_phases |= DPHASE_PENDING;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
|
|
tdata->data_phase = P_DATAOUT;
|
|
else
|
|
tdata->data_phase = P_DATAIN;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Last time we need to check if this SCB needs to
|
|
* be aborted.
|
|
*/
|
|
if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) {
|
|
if (nsegments != 0)
|
|
bus_dmamap_unload(ahd->buffer_dmat,
|
|
scb->dmamap);
|
|
ahd_free_scb(ahd, scb);
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid),
|
|
SCSIID_OUR_ID(scb->hscb->scsiid),
|
|
SCSIID_TARGET(ahd, scb->hscb->scsiid),
|
|
&tstate);
|
|
|
|
mask = SCB_GET_TARGET_MASK(ahd, scb);
|
|
|
|
if ((tstate->discenable & mask) != 0
|
|
&& (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0)
|
|
scb->hscb->control |= DISCENB;
|
|
|
|
if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
|
|
scb->flags |= SCB_PACKETIZED;
|
|
if (scb->hscb->task_management != 0)
|
|
scb->hscb->control &= ~MK_MESSAGE;
|
|
}
|
|
|
|
if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0
|
|
&& (tinfo->goal.width != 0
|
|
|| tinfo->goal.period != 0
|
|
|| tinfo->goal.ppr_options != 0)) {
|
|
scb->flags |= SCB_NEGOTIATE;
|
|
scb->hscb->control |= MK_MESSAGE;
|
|
} else if ((tstate->auto_negotiate & mask) != 0) {
|
|
scb->flags |= SCB_AUTO_NEGOTIATE;
|
|
scb->hscb->control |= MK_MESSAGE;
|
|
}
|
|
|
|
LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
|
|
|
|
ccb->ccb_h.status |= CAM_SIM_QUEUED;
|
|
|
|
aic_scb_timer_start(scb);
|
|
|
|
if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) {
|
|
/* Define a mapping from our tag to the SCB. */
|
|
ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb;
|
|
ahd_pause(ahd);
|
|
ahd_set_scbptr(ahd, SCB_GET_TAG(scb));
|
|
ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG);
|
|
ahd_unpause(ahd);
|
|
} else {
|
|
ahd_queue_scb(ahd, scb);
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
ahd_poll(struct cam_sim *sim)
|
|
{
|
|
ahd_intr(cam_sim_softc(sim));
|
|
}
|
|
|
|
static void
|
|
ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim,
|
|
struct ccb_scsiio *csio, struct scb *scb)
|
|
{
|
|
struct hardware_scb *hscb;
|
|
struct ccb_hdr *ccb_h;
|
|
int error;
|
|
|
|
hscb = scb->hscb;
|
|
ccb_h = &csio->ccb_h;
|
|
|
|
csio->resid = 0;
|
|
csio->sense_resid = 0;
|
|
if (ccb_h->func_code == XPT_SCSI_IO) {
|
|
hscb->cdb_len = csio->cdb_len;
|
|
if ((ccb_h->flags & CAM_CDB_POINTER) != 0) {
|
|
if (hscb->cdb_len > MAX_CDB_LEN
|
|
&& (ccb_h->flags & CAM_CDB_PHYS) == 0) {
|
|
/*
|
|
* Should CAM start to support CDB sizes
|
|
* greater than 16 bytes, we could use
|
|
* the sense buffer to store the CDB.
|
|
*/
|
|
aic_set_transaction_status(scb,
|
|
CAM_REQ_INVALID);
|
|
ahd_free_scb(ahd, scb);
|
|
xpt_done((union ccb *)csio);
|
|
return;
|
|
}
|
|
if ((ccb_h->flags & CAM_CDB_PHYS) != 0) {
|
|
hscb->shared_data.idata.cdb_from_host.cdbptr =
|
|
aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr);
|
|
hscb->shared_data.idata.cdb_from_host.cdblen =
|
|
csio->cdb_len;
|
|
hscb->cdb_len |= SCB_CDB_LEN_PTR;
|
|
} else {
|
|
memcpy(hscb->shared_data.idata.cdb,
|
|
csio->cdb_io.cdb_ptr,
|
|
hscb->cdb_len);
|
|
}
|
|
} else {
|
|
if (hscb->cdb_len > MAX_CDB_LEN) {
|
|
aic_set_transaction_status(scb,
|
|
CAM_REQ_INVALID);
|
|
ahd_free_scb(ahd, scb);
|
|
xpt_done((union ccb *)csio);
|
|
return;
|
|
}
|
|
memcpy(hscb->shared_data.idata.cdb,
|
|
csio->cdb_io.cdb_bytes, hscb->cdb_len);
|
|
}
|
|
}
|
|
|
|
error = bus_dmamap_load_ccb(ahd->buffer_dmat,
|
|
scb->dmamap,
|
|
(union ccb *)csio,
|
|
ahd_execute_scb,
|
|
scb, /*flags*/0);
|
|
if (error == EINPROGRESS) {
|
|
/*
|
|
* So as to maintain ordering, freeze the controller queue
|
|
* until our mapping is returned.
|
|
*/
|
|
xpt_freeze_simq(sim, /*count*/1);
|
|
scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
union ccb *abort_ccb;
|
|
|
|
abort_ccb = ccb->cab.abort_ccb;
|
|
switch (abort_ccb->ccb_h.func_code) {
|
|
#ifdef AHD_TARGET_MODE
|
|
case XPT_ACCEPT_TARGET_IO:
|
|
case XPT_IMMEDIATE_NOTIFY:
|
|
case XPT_CONT_TARGET_IO:
|
|
{
|
|
struct ahd_tmode_tstate *tstate;
|
|
struct ahd_tmode_lstate *lstate;
|
|
struct ccb_hdr_slist *list;
|
|
cam_status status;
|
|
|
|
status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate,
|
|
&lstate, TRUE);
|
|
|
|
if (status != CAM_REQ_CMP) {
|
|
ccb->ccb_h.status = status;
|
|
break;
|
|
}
|
|
|
|
if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO)
|
|
list = &lstate->accept_tios;
|
|
else if (abort_ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
|
|
list = &lstate->immed_notifies;
|
|
else
|
|
list = NULL;
|
|
|
|
if (list != NULL) {
|
|
struct ccb_hdr *curelm;
|
|
int found;
|
|
|
|
curelm = SLIST_FIRST(list);
|
|
found = 0;
|
|
if (curelm == &abort_ccb->ccb_h) {
|
|
found = 1;
|
|
SLIST_REMOVE_HEAD(list, sim_links.sle);
|
|
} else {
|
|
while(curelm != NULL) {
|
|
struct ccb_hdr *nextelm;
|
|
|
|
nextelm =
|
|
SLIST_NEXT(curelm, sim_links.sle);
|
|
|
|
if (nextelm == &abort_ccb->ccb_h) {
|
|
found = 1;
|
|
SLIST_NEXT(curelm,
|
|
sim_links.sle) =
|
|
SLIST_NEXT(nextelm,
|
|
sim_links.sle);
|
|
break;
|
|
}
|
|
curelm = nextelm;
|
|
}
|
|
}
|
|
|
|
if (found) {
|
|
abort_ccb->ccb_h.status = CAM_REQ_ABORTED;
|
|
xpt_done(abort_ccb);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
} else {
|
|
xpt_print_path(abort_ccb->ccb_h.path);
|
|
printf("Not found\n");
|
|
ccb->ccb_h.status = CAM_PATH_INVALID;
|
|
}
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
}
|
|
#endif
|
|
case XPT_SCSI_IO:
|
|
/* XXX Fully implement the hard ones */
|
|
ccb->ccb_h.status = CAM_UA_ABORT;
|
|
break;
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
break;
|
|
}
|
|
xpt_done(ccb);
|
|
}
|
|
|
|
void
|
|
ahd_send_async(struct ahd_softc *ahd, char channel, u_int target,
|
|
u_int lun, ac_code code, void *opt_arg)
|
|
{
|
|
struct ccb_trans_settings cts;
|
|
struct cam_path *path;
|
|
void *arg;
|
|
int error;
|
|
|
|
arg = NULL;
|
|
error = ahd_create_path(ahd, channel, target, lun, &path);
|
|
|
|
if (error != CAM_REQ_CMP)
|
|
return;
|
|
|
|
switch (code) {
|
|
case AC_TRANSFER_NEG:
|
|
{
|
|
struct ccb_trans_settings_scsi *scsi;
|
|
|
|
cts.type = CTS_TYPE_CURRENT_SETTINGS;
|
|
scsi = &cts.proto_specific.scsi;
|
|
cts.ccb_h.path = path;
|
|
cts.ccb_h.target_id = target;
|
|
cts.ccb_h.target_lun = lun;
|
|
ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts);
|
|
arg = &cts;
|
|
scsi->valid &= ~CTS_SCSI_VALID_TQ;
|
|
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
|
|
if (opt_arg == NULL)
|
|
break;
|
|
if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED)
|
|
scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB;
|
|
scsi->valid |= CTS_SCSI_VALID_TQ;
|
|
break;
|
|
}
|
|
case AC_SENT_BDR:
|
|
case AC_BUS_RESET:
|
|
break;
|
|
default:
|
|
panic("ahd_send_async: Unexpected async event");
|
|
}
|
|
xpt_async(code, path, arg);
|
|
xpt_free_path(path);
|
|
}
|
|
|
|
void
|
|
ahd_platform_set_tags(struct ahd_softc *ahd,
|
|
struct ahd_devinfo *devinfo, int enable)
|
|
{
|
|
}
|
|
|
|
int
|
|
ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
|
|
{
|
|
ahd->platform_data = malloc(sizeof(struct ahd_platform_data), M_DEVBUF,
|
|
M_NOWAIT | M_ZERO);
|
|
if (ahd->platform_data == NULL)
|
|
return (ENOMEM);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
ahd_platform_free(struct ahd_softc *ahd)
|
|
{
|
|
struct ahd_platform_data *pdata;
|
|
|
|
pdata = ahd->platform_data;
|
|
if (pdata != NULL) {
|
|
if (pdata->regs[0] != NULL)
|
|
bus_release_resource(ahd->dev_softc,
|
|
pdata->regs_res_type[0],
|
|
pdata->regs_res_id[0],
|
|
pdata->regs[0]);
|
|
|
|
if (pdata->regs[1] != NULL)
|
|
bus_release_resource(ahd->dev_softc,
|
|
pdata->regs_res_type[1],
|
|
pdata->regs_res_id[1],
|
|
pdata->regs[1]);
|
|
|
|
if (pdata->irq != NULL)
|
|
bus_release_resource(ahd->dev_softc,
|
|
pdata->irq_res_type,
|
|
0, pdata->irq);
|
|
|
|
if (pdata->sim != NULL) {
|
|
xpt_async(AC_LOST_DEVICE, pdata->path, NULL);
|
|
xpt_free_path(pdata->path);
|
|
xpt_bus_deregister(cam_sim_path(pdata->sim));
|
|
cam_sim_free(pdata->sim, /*free_devq*/TRUE);
|
|
}
|
|
if (pdata->eh != NULL)
|
|
EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh);
|
|
free(ahd->platform_data, M_DEVBUF);
|
|
}
|
|
}
|
|
|
|
int
|
|
ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd)
|
|
{
|
|
/* We don't sort softcs under FreeBSD so report equal always */
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ahd_detach(device_t dev)
|
|
{
|
|
struct ahd_softc *ahd;
|
|
|
|
device_printf(dev, "detaching device\n");
|
|
ahd = device_get_softc(dev);
|
|
ahd_lock(ahd);
|
|
TAILQ_REMOVE(&ahd_tailq, ahd, links);
|
|
ahd_intr_enable(ahd, FALSE);
|
|
bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih);
|
|
ahd_unlock(ahd);
|
|
ahd_free(ahd);
|
|
return (0);
|
|
}
|
|
|
|
#if 0
|
|
static void
|
|
ahd_dump_targcmd(struct target_cmd *cmd)
|
|
{
|
|
uint8_t *byte;
|
|
uint8_t *last_byte;
|
|
int i;
|
|
|
|
byte = &cmd->initiator_channel;
|
|
/* Debugging info for received commands */
|
|
last_byte = &cmd[1].initiator_channel;
|
|
|
|
i = 0;
|
|
while (byte < last_byte) {
|
|
if (i == 0)
|
|
printf("\t");
|
|
printf("%#x", *byte++);
|
|
i++;
|
|
if (i == 8) {
|
|
printf("\n");
|
|
i = 0;
|
|
} else {
|
|
printf(", ");
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
ahd_modevent(module_t mod, int type, void *data)
|
|
{
|
|
/* XXX Deal with busy status on unload. */
|
|
/* XXX Deal with unknown events */
|
|
return 0;
|
|
}
|
|
|
|
static moduledata_t ahd_mod = {
|
|
"ahd",
|
|
ahd_modevent,
|
|
NULL
|
|
};
|
|
|
|
/********************************** DDB Hooks *********************************/
|
|
#ifdef DDB
|
|
static struct ahd_softc *ahd_ddb_softc;
|
|
static int ahd_ddb_paused;
|
|
static int ahd_ddb_paused_on_entry;
|
|
DB_COMMAND(ahd_sunit, ahd_ddb_sunit)
|
|
{
|
|
struct ahd_softc *list_ahd;
|
|
|
|
ahd_ddb_softc = NULL;
|
|
TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
|
|
if (list_ahd->unit == addr)
|
|
ahd_ddb_softc = list_ahd;
|
|
}
|
|
if (ahd_ddb_softc == NULL)
|
|
db_error("No matching softc found!\n");
|
|
}
|
|
|
|
DB_COMMAND(ahd_pause, ahd_ddb_pause)
|
|
{
|
|
if (ahd_ddb_softc == NULL) {
|
|
db_error("Must set unit with ahd_sunit first!\n");
|
|
return;
|
|
}
|
|
if (ahd_ddb_paused == 0) {
|
|
ahd_ddb_paused++;
|
|
if (ahd_is_paused(ahd_ddb_softc)) {
|
|
ahd_ddb_paused_on_entry++;
|
|
return;
|
|
}
|
|
ahd_pause(ahd_ddb_softc);
|
|
}
|
|
}
|
|
|
|
DB_COMMAND(ahd_unpause, ahd_ddb_unpause)
|
|
{
|
|
if (ahd_ddb_softc == NULL) {
|
|
db_error("Must set unit with ahd_sunit first!\n");
|
|
return;
|
|
}
|
|
if (ahd_ddb_paused != 0) {
|
|
ahd_ddb_paused = 0;
|
|
if (ahd_ddb_paused_on_entry)
|
|
return;
|
|
ahd_unpause(ahd_ddb_softc);
|
|
} else if (ahd_ddb_paused_on_entry != 0) {
|
|
/* Two unpauses to clear a paused on entry. */
|
|
ahd_ddb_paused_on_entry = 0;
|
|
ahd_unpause(ahd_ddb_softc);
|
|
}
|
|
}
|
|
|
|
DB_COMMAND(ahd_in, ahd_ddb_in)
|
|
{
|
|
int c;
|
|
int size;
|
|
|
|
if (ahd_ddb_softc == NULL) {
|
|
db_error("Must set unit with ahd_sunit first!\n");
|
|
return;
|
|
}
|
|
if (have_addr == 0)
|
|
return;
|
|
|
|
size = 1;
|
|
while ((c = *modif++) != '\0') {
|
|
switch (c) {
|
|
case 'b':
|
|
size = 1;
|
|
break;
|
|
case 'w':
|
|
size = 2;
|
|
break;
|
|
case 'l':
|
|
size = 4;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (count <= 0)
|
|
count = 1;
|
|
while (--count >= 0) {
|
|
db_printf("%04lx (M)%x: \t", (u_long)addr,
|
|
ahd_inb(ahd_ddb_softc, MODE_PTR));
|
|
switch (size) {
|
|
case 1:
|
|
db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr));
|
|
break;
|
|
case 2:
|
|
db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr));
|
|
break;
|
|
case 4:
|
|
db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
DB_COMMAND_FLAGS(ahd_out, ahd_ddb_out, CS_MORE)
|
|
{
|
|
db_expr_t old_value;
|
|
db_expr_t new_value;
|
|
int size;
|
|
|
|
if (ahd_ddb_softc == NULL) {
|
|
db_error("Must set unit with ahd_sunit first!\n");
|
|
return;
|
|
}
|
|
|
|
switch (modif[0]) {
|
|
case '\0':
|
|
case 'b':
|
|
size = 1;
|
|
break;
|
|
case 'h':
|
|
size = 2;
|
|
break;
|
|
case 'l':
|
|
size = 4;
|
|
break;
|
|
default:
|
|
db_error("Unknown size\n");
|
|
return;
|
|
}
|
|
|
|
while (db_expression(&new_value)) {
|
|
switch (size) {
|
|
default:
|
|
case 1:
|
|
old_value = ahd_inb(ahd_ddb_softc, addr);
|
|
ahd_outb(ahd_ddb_softc, addr, new_value);
|
|
break;
|
|
case 2:
|
|
old_value = ahd_inw(ahd_ddb_softc, addr);
|
|
ahd_outw(ahd_ddb_softc, addr, new_value);
|
|
break;
|
|
case 4:
|
|
old_value = ahd_inl(ahd_ddb_softc, addr);
|
|
ahd_outl(ahd_ddb_softc, addr, new_value);
|
|
break;
|
|
}
|
|
db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx",
|
|
(u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR),
|
|
(u_long)old_value, (u_long)new_value);
|
|
addr += size;
|
|
}
|
|
db_skip_to_eol();
|
|
}
|
|
|
|
DB_COMMAND(ahd_dump, ahd_ddb_dump)
|
|
{
|
|
if (ahd_ddb_softc == NULL) {
|
|
db_error("Must set unit with ahd_sunit first!\n");
|
|
return;
|
|
}
|
|
ahd_dump_card_state(ahd_ddb_softc);
|
|
}
|
|
|
|
#endif
|
|
|
|
DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
|
|
MODULE_DEPEND(ahd, cam, 1, 1, 1);
|
|
MODULE_VERSION(ahd, 1);
|