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umass.c revision 1.149.2.2
      1  1.149.2.2     skrll /*	$NetBSD: umass.c,v 1.149.2.2 2014/12/02 09:00:34 skrll Exp $	*/
      2      1.102   mycroft 
      3      1.102   mycroft /*
      4      1.102   mycroft  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5      1.102   mycroft  * All rights reserved.
      6      1.102   mycroft  *
      7      1.102   mycroft  * This code is derived from software contributed to The NetBSD Foundation
      8      1.104   mycroft  * by Charles M. Hannum.
      9      1.102   mycroft  *
     10      1.102   mycroft  * Redistribution and use in source and binary forms, with or without
     11      1.102   mycroft  * modification, are permitted provided that the following conditions
     12      1.102   mycroft  * are met:
     13      1.102   mycroft  * 1. Redistributions of source code must retain the above copyright
     14      1.102   mycroft  *    notice, this list of conditions and the following disclaimer.
     15      1.102   mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.102   mycroft  *    notice, this list of conditions and the following disclaimer in the
     17      1.102   mycroft  *    documentation and/or other materials provided with the distribution.
     18      1.102   mycroft  *
     19      1.102   mycroft  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20      1.102   mycroft  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21      1.102   mycroft  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22      1.102   mycroft  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23      1.102   mycroft  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24      1.102   mycroft  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25      1.102   mycroft  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26      1.102   mycroft  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27      1.102   mycroft  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28      1.102   mycroft  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29      1.102   mycroft  * POSSIBILITY OF SUCH DAMAGE.
     30      1.102   mycroft  */
     31      1.102   mycroft 
     32        1.1   thorpej /*-
     33        1.1   thorpej  * Copyright (c) 1999 MAEKAWA Masahide <bishop (at) rr.iij4u.or.jp>,
     34       1.28  augustss  *		      Nick Hibma <n_hibma (at) freebsd.org>
     35        1.1   thorpej  * All rights reserved.
     36        1.1   thorpej  *
     37        1.1   thorpej  * Redistribution and use in source and binary forms, with or without
     38        1.1   thorpej  * modification, are permitted provided that the following conditions
     39        1.1   thorpej  * are met:
     40        1.1   thorpej  * 1. Redistributions of source code must retain the above copyright
     41        1.1   thorpej  *    notice, this list of conditions and the following disclaimer.
     42        1.1   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     43        1.1   thorpej  *    notice, this list of conditions and the following disclaimer in the
     44        1.1   thorpej  *    documentation and/or other materials provided with the distribution.
     45        1.1   thorpej  *
     46        1.1   thorpej  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     47        1.1   thorpej  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     48        1.1   thorpej  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     49        1.1   thorpej  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     50        1.1   thorpej  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     51        1.1   thorpej  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     52        1.1   thorpej  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     53        1.1   thorpej  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     54        1.1   thorpej  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     55        1.1   thorpej  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     56        1.1   thorpej  * SUCH DAMAGE.
     57        1.1   thorpej  *
     58       1.28  augustss  *     $FreeBSD: src/sys/dev/usb/umass.c,v 1.13 2000/03/26 01:39:12 n_hibma Exp $
     59       1.28  augustss  */
     60       1.28  augustss 
     61       1.28  augustss /*
     62       1.47  augustss  * Universal Serial Bus Mass Storage Class specs:
     63      1.108       wiz  * http://www.usb.org/developers/devclass_docs/usb_msc_overview_1.2.pdf
     64      1.108       wiz  * http://www.usb.org/developers/devclass_docs/usbmassbulk_10.pdf
     65      1.108       wiz  * http://www.usb.org/developers/devclass_docs/usb_msc_cbi_1.1.pdf
     66      1.108       wiz  * http://www.usb.org/developers/devclass_docs/usbmass-ufi10.pdf
     67       1.28  augustss  */
     68       1.28  augustss 
     69       1.28  augustss /*
     70      1.109    keihan  * Ported to NetBSD by Lennart Augustsson <augustss (at) NetBSD.org>.
     71       1.90     pooka  * Parts of the code written by Jason R. Thorpe <thorpej (at) shagadelic.org>.
     72        1.1   thorpej  */
     73        1.1   thorpej 
     74        1.1   thorpej /*
     75       1.28  augustss  * The driver handles 3 Wire Protocols
     76       1.28  augustss  * - Command/Bulk/Interrupt (CBI)
     77       1.28  augustss  * - Command/Bulk/Interrupt with Command Completion Interrupt (CBI with CCI)
     78       1.28  augustss  * - Mass Storage Bulk-Only (BBB)
     79       1.28  augustss  *   (BBB refers Bulk/Bulk/Bulk for Command/Data/Status phases)
     80       1.28  augustss  *
     81       1.28  augustss  * Over these wire protocols it handles the following command protocols
     82       1.28  augustss  * - SCSI
     83       1.54  augustss  * - 8070 (ATA/ATAPI for rewritable removable media)
     84       1.54  augustss  * - UFI (USB Floppy Interface)
     85        1.1   thorpej  *
     86       1.54  augustss  * 8070i is a transformed version of the SCSI command set. UFI is a transformed
     87       1.88  augustss  * version of the 8070i command set.  The sc->transform method is used to
     88       1.54  augustss  * convert the commands into the appropriate format (if at all necessary).
     89       1.54  augustss  * For example, ATAPI requires all commands to be 12 bytes in length amongst
     90       1.54  augustss  * other things.
     91        1.3   thorpej  *
     92       1.28  augustss  * The source code below is marked and can be split into a number of pieces
     93       1.28  augustss  * (in this order):
     94        1.3   thorpej  *
     95       1.28  augustss  * - probe/attach/detach
     96       1.28  augustss  * - generic transfer routines
     97       1.28  augustss  * - BBB
     98       1.28  augustss  * - CBI
     99       1.28  augustss  * - CBI_I (in addition to functions from CBI)
    100       1.28  augustss  * - CAM (Common Access Method)
    101       1.28  augustss  * - SCSI
    102       1.28  augustss  * - UFI
    103       1.28  augustss  * - 8070i
    104        1.3   thorpej  *
    105       1.28  augustss  * The protocols are implemented using a state machine, for the transfers as
    106       1.28  augustss  * well as for the resets. The state machine is contained in umass_*_state.
    107       1.28  augustss  * The state machine is started through either umass_*_transfer or
    108       1.28  augustss  * umass_*_reset.
    109       1.28  augustss  *
    110       1.28  augustss  * The reason for doing this is a) CAM performs a lot better this way and b) it
    111       1.28  augustss  * avoids using tsleep from interrupt context (for example after a failed
    112       1.28  augustss  * transfer).
    113        1.1   thorpej  */
    114        1.1   thorpej 
    115       1.28  augustss /*
    116       1.28  augustss  * The SCSI related part of this driver has been derived from the
    117       1.28  augustss  * dev/ppbus/vpo.c driver, by Nicolas Souchu (nsouch (at) freebsd.org).
    118        1.1   thorpej  *
    119       1.28  augustss  * The CAM layer uses so called actions which are messages sent to the host
    120       1.28  augustss  * adapter for completion. The actions come in through umass_cam_action. The
    121       1.28  augustss  * appropriate block of routines is called depending on the transport protocol
    122       1.28  augustss  * in use. When the transfer has finished, these routines call
    123       1.28  augustss  * umass_cam_cb again to complete the CAM command.
    124        1.1   thorpej  */
    125       1.64     lukem 
    126       1.64     lukem #include <sys/cdefs.h>
    127  1.149.2.2     skrll __KERNEL_RCSID(0, "$NetBSD: umass.c,v 1.149.2.2 2014/12/02 09:00:34 skrll Exp $");
    128      1.140  christos 
    129      1.141   mbalmer #ifdef _KERNEL_OPT
    130      1.149     skrll #include "opt_usb.h"
    131      1.141   mbalmer #endif
    132        1.1   thorpej 
    133       1.29     enami #include "atapibus.h"
    134       1.79  augustss #include "scsibus.h"
    135       1.80  augustss #include "wd.h"
    136       1.29     enami 
    137        1.1   thorpej #include <sys/param.h>
    138        1.1   thorpej #include <sys/systm.h>
    139        1.1   thorpej #include <sys/kernel.h>
    140       1.28  augustss #include <sys/conf.h>
    141       1.28  augustss #include <sys/buf.h>
    142       1.28  augustss #include <sys/device.h>
    143        1.1   thorpej #include <sys/malloc.h>
    144      1.149     skrll #include <sys/sysctl.h>
    145        1.1   thorpej 
    146        1.1   thorpej #include <dev/usb/usb.h>
    147        1.1   thorpej #include <dev/usb/usbdi.h>
    148        1.1   thorpej #include <dev/usb/usbdi_util.h>
    149       1.28  augustss #include <dev/usb/usbdevs.h>
    150      1.149     skrll #include <dev/usb/usbhist.h>
    151        1.1   thorpej 
    152       1.56  augustss #include <dev/usb/umassvar.h>
    153       1.78   gehenna #include <dev/usb/umass_quirks.h>
    154       1.79  augustss #include <dev/usb/umass_scsipi.h>
    155       1.80  augustss #include <dev/usb/umass_isdata.h>
    156       1.28  augustss 
    157       1.99   mycroft #include <dev/scsipi/scsipi_all.h>
    158       1.99   mycroft #include <dev/scsipi/scsipiconf.h>
    159       1.99   mycroft 
    160      1.149     skrll #ifdef USB_DEBUG
    161      1.149     skrll int umassdebug = 0;
    162      1.149     skrll 
    163      1.149     skrll SYSCTL_SETUP(sysctl_hw_umass_setup, "sysctl hw.umass setup")
    164      1.149     skrll {
    165      1.149     skrll 	int err;
    166      1.149     skrll 	const struct sysctlnode *rnode;
    167      1.149     skrll 	const struct sysctlnode *cnode;
    168      1.149     skrll 
    169      1.149     skrll 	err = sysctl_createv(clog, 0, NULL, &rnode,
    170      1.149     skrll 	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "umass",
    171      1.149     skrll 	    SYSCTL_DESCR("umass global controls"),
    172      1.149     skrll 	    NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL);
    173      1.149     skrll 
    174      1.149     skrll 	if (err)
    175      1.149     skrll 		goto fail;
    176      1.149     skrll 
    177      1.149     skrll 	/* control debugging printfs */
    178      1.149     skrll 	err = sysctl_createv(clog, 0, &rnode, &cnode,
    179      1.149     skrll 	    CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT,
    180      1.149     skrll 	    "debug", SYSCTL_DESCR("Enable debugging output"),
    181      1.149     skrll 	    NULL, 0, &umassdebug, sizeof(umassdebug), CTL_CREATE, CTL_EOL);
    182      1.149     skrll 	if (err)
    183      1.149     skrll 		goto fail;
    184       1.28  augustss 
    185      1.149     skrll 	return;
    186      1.149     skrll fail:
    187      1.149     skrll 	aprint_error("%s: sysctl_createv failed (err = %d)\n", __func__, err);
    188      1.149     skrll }
    189       1.57  augustss 
    190      1.119  drochner const char *states[TSTATE_STATES+1] = {
    191       1.28  augustss 	/* should be kept in sync with the list at transfer_state */
    192       1.28  augustss 	"Idle",
    193       1.28  augustss 	"BBB CBW",
    194       1.28  augustss 	"BBB Data",
    195       1.28  augustss 	"BBB Data bulk-in/-out clear stall",
    196       1.28  augustss 	"BBB CSW, 1st attempt",
    197       1.28  augustss 	"BBB CSW bulk-in clear stall",
    198       1.28  augustss 	"BBB CSW, 2nd attempt",
    199       1.28  augustss 	"BBB Reset",
    200       1.28  augustss 	"BBB bulk-in clear stall",
    201       1.28  augustss 	"BBB bulk-out clear stall",
    202       1.28  augustss 	"CBI Command",
    203       1.28  augustss 	"CBI Data",
    204       1.28  augustss 	"CBI Status",
    205       1.28  augustss 	"CBI Data bulk-in/-out clear stall",
    206       1.28  augustss 	"CBI Status intr-in clear stall",
    207       1.28  augustss 	"CBI Reset",
    208       1.28  augustss 	"CBI bulk-in clear stall",
    209       1.28  augustss 	"CBI bulk-out clear stall",
    210       1.28  augustss 	NULL
    211       1.28  augustss };
    212       1.28  augustss #endif
    213        1.1   thorpej 
    214       1.28  augustss /* USB device probe/attach/detach functions */
    215      1.131    dyoung int umass_match(device_t, cfdata_t, void *);
    216      1.131    dyoung void umass_attach(device_t, device_t, void *);
    217      1.131    dyoung int umass_detach(device_t, int);
    218      1.131    dyoung static void umass_childdet(device_t, device_t);
    219      1.131    dyoung int umass_activate(device_t, enum devact);
    220      1.131    dyoung extern struct cfdriver umass_cd;
    221      1.131    dyoung CFATTACH_DECL2_NEW(umass, sizeof(struct umass_softc), umass_match, umass_attach,
    222      1.131    dyoung     umass_detach, umass_activate, NULL, umass_childdet);
    223      1.131    dyoung 
    224       1.38  augustss Static void umass_disco(struct umass_softc *sc);
    225        1.1   thorpej 
    226       1.28  augustss /* generic transfer functions */
    227       1.38  augustss Static usbd_status umass_setup_transfer(struct umass_softc *sc,
    228        1.1   thorpej 				usbd_pipe_handle pipe,
    229       1.28  augustss 				void *buffer, int buflen, int flags,
    230       1.38  augustss 				usbd_xfer_handle xfer);
    231       1.38  augustss Static usbd_status umass_setup_ctrl_transfer(struct umass_softc *sc,
    232       1.28  augustss 				usb_device_request_t *req,
    233       1.88  augustss 				void *buffer, int buflen, int flags,
    234       1.38  augustss 				usbd_xfer_handle xfer);
    235       1.73   gehenna Static void umass_clear_endpoint_stall(struct umass_softc *sc, int endpt,
    236       1.70   gehenna 				usbd_xfer_handle xfer);
    237       1.29     enami #if 0
    238       1.38  augustss Static void umass_reset(struct umass_softc *sc,	transfer_cb_f cb, void *priv);
    239       1.29     enami #endif
    240        1.1   thorpej 
    241        1.1   thorpej /* Bulk-Only related functions */
    242       1.75   gehenna Static void umass_bbb_transfer(struct umass_softc *, int, void *, int, void *,
    243      1.143       mrg 			       int, int, u_int, int, umass_callback, void *);
    244       1.75   gehenna Static void umass_bbb_reset(struct umass_softc *, int);
    245       1.75   gehenna Static void umass_bbb_state(usbd_xfer_handle, usbd_private_handle, usbd_status);
    246       1.28  augustss 
    247  1.149.2.1     skrll usbd_status umass_bbb_get_max_lun(struct umass_softc *, uint8_t *);
    248       1.28  augustss 
    249       1.28  augustss /* CBI related functions */
    250       1.88  augustss Static void umass_cbi_transfer(struct umass_softc *, int, void *, int, void *,
    251      1.143       mrg 			       int, int, u_int, int, umass_callback, void *);
    252       1.75   gehenna Static void umass_cbi_reset(struct umass_softc *, int);
    253       1.75   gehenna Static void umass_cbi_state(usbd_xfer_handle, usbd_private_handle, usbd_status);
    254       1.75   gehenna 
    255      1.143       mrg Static int umass_cbi_adsc(struct umass_softc *, char *, int, int, usbd_xfer_handle);
    256       1.75   gehenna 
    257       1.75   gehenna const struct umass_wire_methods umass_bbb_methods = {
    258       1.75   gehenna 	umass_bbb_transfer,
    259       1.75   gehenna 	umass_bbb_reset,
    260       1.75   gehenna 	umass_bbb_state
    261       1.75   gehenna };
    262       1.75   gehenna 
    263       1.75   gehenna const struct umass_wire_methods umass_cbi_methods = {
    264       1.75   gehenna 	umass_cbi_transfer,
    265       1.75   gehenna 	umass_cbi_reset,
    266       1.75   gehenna 	umass_cbi_state
    267       1.75   gehenna };
    268       1.28  augustss 
    269       1.28  augustss #ifdef UMASS_DEBUG
    270       1.28  augustss /* General debugging functions */
    271       1.38  augustss Static void umass_bbb_dump_cbw(struct umass_softc *sc,
    272       1.38  augustss 				umass_bbb_cbw_t *cbw);
    273       1.38  augustss Static void umass_bbb_dump_csw(struct umass_softc *sc,
    274       1.38  augustss 				umass_bbb_csw_t *csw);
    275  1.149.2.1     skrll Static void umass_dump_buffer(struct umass_softc *sc, uint8_t *buffer,
    276       1.38  augustss 				int buflen, int printlen);
    277       1.28  augustss #endif
    278       1.28  augustss 
    279       1.28  augustss 
    280       1.28  augustss /*
    281       1.28  augustss  * USB device probe/attach/detach
    282       1.28  augustss  */
    283       1.28  augustss 
    284      1.131    dyoung int
    285      1.131    dyoung umass_match(device_t parent, cfdata_t match, void *aux)
    286       1.28  augustss {
    287      1.131    dyoung 	struct usbif_attach_arg *uaa = aux;
    288       1.78   gehenna 	const struct umass_quirk *quirk;
    289       1.28  augustss 
    290       1.78   gehenna 	quirk = umass_lookup(uaa->vendor, uaa->product);
    291      1.126    ichiro 	if (quirk != NULL && quirk->uq_match != UMASS_QUIRK_USE_DEFAULTMATCH)
    292       1.78   gehenna 		return (quirk->uq_match);
    293       1.40  augustss 
    294      1.124  drochner 	if (uaa->class != UICLASS_MASS)
    295       1.28  augustss 		return (UMATCH_NONE);
    296        1.1   thorpej 
    297      1.124  drochner 	switch (uaa->subclass) {
    298       1.78   gehenna 	case UISUBCLASS_RBC:
    299       1.78   gehenna 	case UISUBCLASS_SFF8020I:
    300       1.78   gehenna 	case UISUBCLASS_QIC157:
    301       1.28  augustss 	case UISUBCLASS_UFI:
    302       1.28  augustss 	case UISUBCLASS_SFF8070I:
    303       1.78   gehenna 	case UISUBCLASS_SCSI:
    304       1.40  augustss 		break;
    305       1.28  augustss 	default:
    306       1.78   gehenna 		return (UMATCH_IFACECLASS);
    307       1.28  augustss 	}
    308       1.28  augustss 
    309      1.124  drochner 	switch (uaa->proto) {
    310       1.78   gehenna 	case UIPROTO_MASS_CBI_I:
    311       1.28  augustss 	case UIPROTO_MASS_CBI:
    312       1.78   gehenna 	case UIPROTO_MASS_BBB_OLD:
    313       1.28  augustss 	case UIPROTO_MASS_BBB:
    314       1.28  augustss 		break;
    315       1.28  augustss 	default:
    316       1.78   gehenna 		return (UMATCH_IFACECLASS_IFACESUBCLASS);
    317       1.28  augustss 	}
    318        1.1   thorpej 
    319       1.78   gehenna 	return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
    320        1.1   thorpej }
    321        1.1   thorpej 
    322      1.131    dyoung void
    323      1.131    dyoung umass_attach(device_t parent, device_t self, void *aux)
    324        1.1   thorpej {
    325      1.131    dyoung 	struct umass_softc *sc = device_private(self);
    326      1.131    dyoung 	struct usbif_attach_arg *uaa = aux;
    327       1.78   gehenna 	const struct umass_quirk *quirk;
    328        1.1   thorpej 	usb_interface_descriptor_t *id;
    329        1.1   thorpej 	usb_endpoint_descriptor_t *ed;
    330       1.78   gehenna 	const char *sWire, *sCommand;
    331      1.118  augustss 	char *devinfop;
    332       1.78   gehenna 	usbd_status err;
    333      1.148   mlelstv 	int i, error;
    334        1.1   thorpej 
    335      1.128      cube 	sc->sc_dev = self;
    336      1.128      cube 
    337      1.134    plunky 	aprint_naive("\n");
    338      1.134    plunky 	aprint_normal("\n");
    339      1.134    plunky 
    340      1.145       mrg 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_USB);
    341      1.145       mrg 	cv_init(&sc->sc_detach_cv, "umassdet");
    342      1.145       mrg 
    343      1.118  augustss 	devinfop = usbd_devinfo_alloc(uaa->device, 0);
    344      1.134    plunky 	aprint_normal_dev(self, "%s\n", devinfop);
    345      1.118  augustss 	usbd_devinfo_free(devinfop);
    346        1.1   thorpej 
    347       1.78   gehenna 	sc->sc_udev = uaa->device;
    348       1.76   gehenna 	sc->sc_iface = uaa->iface;
    349       1.76   gehenna 	sc->sc_ifaceno = uaa->ifaceno;
    350       1.28  augustss 
    351       1.78   gehenna 	quirk = umass_lookup(uaa->vendor, uaa->product);
    352       1.78   gehenna 	if (quirk != NULL) {
    353       1.78   gehenna 		sc->sc_wire = quirk->uq_wire;
    354       1.78   gehenna 		sc->sc_cmd = quirk->uq_cmd;
    355       1.78   gehenna 		sc->sc_quirks = quirk->uq_flags;
    356       1.82  augustss 		sc->sc_busquirks = quirk->uq_busquirks;
    357       1.78   gehenna 
    358       1.78   gehenna 		if (quirk->uq_fixup != NULL)
    359       1.78   gehenna 			(*quirk->uq_fixup)(sc);
    360       1.78   gehenna 	} else {
    361       1.78   gehenna 		sc->sc_wire = UMASS_WPROTO_UNSPEC;
    362       1.78   gehenna 		sc->sc_cmd = UMASS_CPROTO_UNSPEC;
    363       1.78   gehenna 		sc->sc_quirks = 0;
    364       1.82  augustss 		sc->sc_busquirks = 0;
    365       1.78   gehenna 	}
    366       1.78   gehenna 
    367       1.78   gehenna 	if (sc->sc_wire == UMASS_WPROTO_UNSPEC) {
    368      1.124  drochner 		switch (uaa->proto) {
    369       1.78   gehenna 		case UIPROTO_MASS_CBI:
    370       1.78   gehenna 			sc->sc_wire = UMASS_WPROTO_CBI;
    371       1.78   gehenna 			break;
    372       1.78   gehenna 		case UIPROTO_MASS_CBI_I:
    373       1.78   gehenna 			sc->sc_wire = UMASS_WPROTO_CBI_I;
    374       1.78   gehenna 			break;
    375       1.78   gehenna 		case UIPROTO_MASS_BBB:
    376       1.78   gehenna 		case UIPROTO_MASS_BBB_OLD:
    377       1.78   gehenna 			sc->sc_wire = UMASS_WPROTO_BBB;
    378       1.78   gehenna 			break;
    379       1.78   gehenna 		default:
    380       1.78   gehenna 			DPRINTF(UDMASS_GEN,
    381       1.78   gehenna 				("%s: Unsupported wire protocol %u\n",
    382      1.131    dyoung 				device_xname(sc->sc_dev),
    383      1.124  drochner 				uaa->proto));
    384      1.131    dyoung 			return;
    385       1.78   gehenna 		}
    386       1.40  augustss 	}
    387       1.28  augustss 
    388       1.78   gehenna 	if (sc->sc_cmd == UMASS_CPROTO_UNSPEC) {
    389      1.124  drochner 		switch (uaa->subclass) {
    390       1.78   gehenna 		case UISUBCLASS_SCSI:
    391       1.78   gehenna 			sc->sc_cmd = UMASS_CPROTO_SCSI;
    392       1.78   gehenna 			break;
    393       1.78   gehenna 		case UISUBCLASS_UFI:
    394       1.78   gehenna 			sc->sc_cmd = UMASS_CPROTO_UFI;
    395       1.78   gehenna 			break;
    396       1.78   gehenna 		case UISUBCLASS_SFF8020I:
    397       1.78   gehenna 		case UISUBCLASS_SFF8070I:
    398       1.78   gehenna 		case UISUBCLASS_QIC157:
    399       1.78   gehenna 			sc->sc_cmd = UMASS_CPROTO_ATAPI;
    400       1.78   gehenna 			break;
    401       1.78   gehenna 		case UISUBCLASS_RBC:
    402       1.78   gehenna 			sc->sc_cmd = UMASS_CPROTO_RBC;
    403       1.78   gehenna 			break;
    404       1.78   gehenna 		default:
    405       1.78   gehenna 			DPRINTF(UDMASS_GEN,
    406       1.78   gehenna 				("%s: Unsupported command protocol %u\n",
    407      1.131    dyoung 				device_xname(sc->sc_dev),
    408      1.124  drochner 				uaa->subclass));
    409      1.131    dyoung 			return;
    410       1.78   gehenna 		}
    411       1.78   gehenna 	}
    412       1.17   thorpej 
    413       1.78   gehenna 	switch (sc->sc_wire) {
    414       1.78   gehenna 	case UMASS_WPROTO_CBI:
    415       1.78   gehenna 		sWire = "CBI";
    416       1.32  augustss 		break;
    417       1.78   gehenna 	case UMASS_WPROTO_CBI_I:
    418       1.78   gehenna 		sWire = "CBI with CCI";
    419       1.28  augustss 		break;
    420       1.78   gehenna 	case UMASS_WPROTO_BBB:
    421       1.78   gehenna 		sWire = "Bulk-Only";
    422       1.28  augustss 		break;
    423       1.17   thorpej 	default:
    424       1.78   gehenna 		sWire = "unknown";
    425       1.28  augustss 		break;
    426       1.17   thorpej 	}
    427       1.78   gehenna 
    428       1.78   gehenna 	switch (sc->sc_cmd) {
    429       1.78   gehenna 	case UMASS_CPROTO_RBC:
    430       1.78   gehenna 		sCommand = "RBC";
    431       1.78   gehenna 		break;
    432       1.78   gehenna 	case UMASS_CPROTO_SCSI:
    433       1.78   gehenna 		sCommand = "SCSI";
    434       1.28  augustss 		break;
    435       1.78   gehenna 	case UMASS_CPROTO_UFI:
    436       1.78   gehenna 		sCommand = "UFI";
    437       1.28  augustss 		break;
    438       1.78   gehenna 	case UMASS_CPROTO_ATAPI:
    439       1.78   gehenna 		sCommand = "ATAPI";
    440       1.32  augustss 		break;
    441       1.80  augustss 	case UMASS_CPROTO_ISD_ATA:
    442       1.80  augustss 		sCommand = "ISD-ATA";
    443       1.80  augustss 		break;
    444       1.17   thorpej 	default:
    445       1.78   gehenna 		sCommand = "unknown";
    446       1.32  augustss 		break;
    447       1.17   thorpej 	}
    448       1.78   gehenna 
    449      1.132  jmcneill 	aprint_verbose_dev(self, "using %s over %s\n", sCommand, sWire);
    450        1.1   thorpej 
    451      1.104   mycroft 	if (quirk != NULL && quirk->uq_init != NULL) {
    452      1.104   mycroft 		err = (*quirk->uq_init)(sc);
    453      1.104   mycroft 		if (err) {
    454      1.128      cube 			aprint_error_dev(self, "quirk init failed\n");
    455      1.104   mycroft 			umass_disco(sc);
    456      1.131    dyoung 			return;
    457      1.104   mycroft 		}
    458      1.104   mycroft 	}
    459      1.104   mycroft 
    460        1.1   thorpej 	/*
    461       1.28  augustss 	 * In addition to the Control endpoint the following endpoints
    462       1.28  augustss 	 * are required:
    463       1.28  augustss 	 * a) bulk-in endpoint.
    464       1.28  augustss 	 * b) bulk-out endpoint.
    465       1.28  augustss 	 * and for Control/Bulk/Interrupt with CCI (CBI_I)
    466       1.28  augustss 	 * c) intr-in
    467        1.1   thorpej 	 *
    468        1.1   thorpej 	 * The endpoint addresses are not fixed, so we have to read them
    469        1.1   thorpej 	 * from the device descriptors of the current interface.
    470        1.1   thorpej 	 */
    471      1.124  drochner 	id = usbd_get_interface_descriptor(sc->sc_iface);
    472        1.1   thorpej 	for (i = 0 ; i < id->bNumEndpoints ; i++) {
    473       1.76   gehenna 		ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
    474       1.78   gehenna 		if (ed == NULL) {
    475      1.128      cube 			aprint_error_dev(self,
    476      1.128      cube 			    "could not read endpoint descriptor\n");
    477      1.131    dyoung 			return;
    478        1.1   thorpej 		}
    479       1.11  augustss 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
    480        1.1   thorpej 		    && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
    481       1.73   gehenna 			sc->sc_epaddr[UMASS_BULKIN] = ed->bEndpointAddress;
    482       1.11  augustss 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT
    483        1.1   thorpej 		    && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
    484       1.73   gehenna 			sc->sc_epaddr[UMASS_BULKOUT] = ed->bEndpointAddress;
    485       1.78   gehenna 		} else if (sc->sc_wire == UMASS_WPROTO_CBI_I
    486       1.28  augustss 		    && UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
    487       1.28  augustss 		    && (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
    488       1.73   gehenna 			sc->sc_epaddr[UMASS_INTRIN] = ed->bEndpointAddress;
    489       1.28  augustss #ifdef UMASS_DEBUG
    490       1.28  augustss 			if (UGETW(ed->wMaxPacketSize) > 2) {
    491       1.28  augustss 				DPRINTF(UDMASS_CBI, ("%s: intr size is %d\n",
    492      1.131    dyoung 					device_xname(sc->sc_dev),
    493       1.28  augustss 					UGETW(ed->wMaxPacketSize)));
    494       1.28  augustss 			}
    495       1.28  augustss #endif
    496        1.1   thorpej 		}
    497        1.1   thorpej 	}
    498        1.1   thorpej 
    499       1.28  augustss 	/* check whether we found all the endpoints we need */
    500       1.73   gehenna 	if (!sc->sc_epaddr[UMASS_BULKIN] || !sc->sc_epaddr[UMASS_BULKOUT] ||
    501       1.78   gehenna 	    (sc->sc_wire == UMASS_WPROTO_CBI_I &&
    502       1.78   gehenna 	     !sc->sc_epaddr[UMASS_INTRIN])) {
    503      1.128      cube 		aprint_error_dev(self, "endpoint not found %u/%u/%u\n",
    504      1.128      cube 		       sc->sc_epaddr[UMASS_BULKIN],
    505      1.105  augustss 		       sc->sc_epaddr[UMASS_BULKOUT],
    506      1.105  augustss 		       sc->sc_epaddr[UMASS_INTRIN]);
    507      1.131    dyoung 		return;
    508       1.28  augustss 	}
    509       1.28  augustss 
    510        1.7   thorpej 	/*
    511        1.7   thorpej 	 * Get the maximum LUN supported by the device.
    512        1.7   thorpej 	 */
    513      1.129     rmind 	if (sc->sc_wire == UMASS_WPROTO_BBB &&
    514      1.129     rmind 	    (sc->sc_quirks & UMASS_QUIRK_NOGETMAXLUN) == 0) {
    515       1.28  augustss 		err = umass_bbb_get_max_lun(sc, &sc->maxlun);
    516       1.28  augustss 		if (err) {
    517      1.128      cube 			aprint_error_dev(self, "unable to get Max Lun: %s\n",
    518      1.128      cube 			    usbd_errstr(err));
    519      1.131    dyoung 			return;
    520       1.28  augustss 		}
    521       1.99   mycroft 		if (sc->maxlun > 0)
    522       1.99   mycroft 			sc->sc_busquirks |= PQUIRK_FORCELUNS;
    523       1.28  augustss 	} else {
    524       1.28  augustss 		sc->maxlun = 0;
    525        1.7   thorpej 	}
    526        1.7   thorpej 
    527        1.1   thorpej 	/* Open the bulk-in and -out pipe */
    528      1.100   mycroft 	DPRINTF(UDMASS_USB, ("%s: opening iface %p epaddr %d for BULKOUT\n",
    529      1.131    dyoung 		device_xname(sc->sc_dev), sc->sc_iface,
    530      1.100   mycroft 		sc->sc_epaddr[UMASS_BULKOUT]));
    531       1.76   gehenna 	err = usbd_open_pipe(sc->sc_iface, sc->sc_epaddr[UMASS_BULKOUT],
    532       1.73   gehenna 				USBD_EXCLUSIVE_USE,
    533       1.73   gehenna 				&sc->sc_pipe[UMASS_BULKOUT]);
    534        1.1   thorpej 	if (err) {
    535      1.128      cube 		aprint_error_dev(self, "cannot open %u-out pipe (bulk)\n",
    536      1.128      cube 		    sc->sc_epaddr[UMASS_BULKOUT]);
    537       1.28  augustss 		umass_disco(sc);
    538      1.131    dyoung 		return;
    539        1.1   thorpej 	}
    540      1.100   mycroft 	DPRINTF(UDMASS_USB, ("%s: opening iface %p epaddr %d for BULKIN\n",
    541      1.131    dyoung 		device_xname(sc->sc_dev), sc->sc_iface,
    542      1.100   mycroft 		sc->sc_epaddr[UMASS_BULKIN]));
    543       1.76   gehenna 	err = usbd_open_pipe(sc->sc_iface, sc->sc_epaddr[UMASS_BULKIN],
    544       1.73   gehenna 				USBD_EXCLUSIVE_USE, &sc->sc_pipe[UMASS_BULKIN]);
    545        1.1   thorpej 	if (err) {
    546      1.128      cube 		aprint_error_dev(self, "could not open %u-in pipe (bulk)\n",
    547      1.128      cube 		    sc->sc_epaddr[UMASS_BULKIN]);
    548       1.28  augustss 		umass_disco(sc);
    549      1.131    dyoung 		return;
    550        1.1   thorpej 	}
    551       1.88  augustss 	/*
    552       1.28  augustss 	 * Open the intr-in pipe if the protocol is CBI with CCI.
    553       1.28  augustss 	 * Note: early versions of the Zip drive do have an interrupt pipe, but
    554       1.28  augustss 	 * this pipe is unused
    555       1.28  augustss 	 *
    556       1.28  augustss 	 * We do not open the interrupt pipe as an interrupt pipe, but as a
    557       1.28  augustss 	 * normal bulk endpoint. We send an IN transfer down the wire at the
    558       1.28  augustss 	 * appropriate time, because we know exactly when to expect data on
    559       1.28  augustss 	 * that endpoint. This saves bandwidth, but more important, makes the
    560       1.28  augustss 	 * code for handling the data on that endpoint simpler. No data
    561       1.28  augustss 	 * arriving concurrently.
    562       1.28  augustss 	 */
    563       1.78   gehenna 	if (sc->sc_wire == UMASS_WPROTO_CBI_I) {
    564      1.100   mycroft 		DPRINTF(UDMASS_USB, ("%s: opening iface %p epaddr %d for INTRIN\n",
    565      1.131    dyoung 			device_xname(sc->sc_dev), sc->sc_iface,
    566      1.100   mycroft 			sc->sc_epaddr[UMASS_INTRIN]));
    567       1.76   gehenna 		err = usbd_open_pipe(sc->sc_iface, sc->sc_epaddr[UMASS_INTRIN],
    568       1.73   gehenna 				USBD_EXCLUSIVE_USE, &sc->sc_pipe[UMASS_INTRIN]);
    569       1.28  augustss 		if (err) {
    570      1.128      cube 			aprint_error_dev(self, "couldn't open %u-in (intr)\n",
    571      1.128      cube 			    sc->sc_epaddr[UMASS_INTRIN]);
    572       1.28  augustss 			umass_disco(sc);
    573      1.131    dyoung 			return;
    574       1.28  augustss 		}
    575       1.28  augustss 	}
    576       1.28  augustss 
    577       1.28  augustss 	/* initialisation of generic part */
    578       1.28  augustss 	sc->transfer_state = TSTATE_IDLE;
    579       1.28  augustss 
    580       1.28  augustss 	/* request a sufficient number of xfer handles */
    581       1.28  augustss 	for (i = 0; i < XFER_NR; i++) {
    582       1.28  augustss 		sc->transfer_xfer[i] = usbd_alloc_xfer(uaa->device);
    583       1.92      tron 		if (sc->transfer_xfer[i] == NULL) {
    584      1.128      cube 			aprint_error_dev(self, "Out of memory\n");
    585       1.28  augustss 			umass_disco(sc);
    586      1.131    dyoung 			return;
    587       1.28  augustss 		}
    588       1.28  augustss 	}
    589      1.148   mlelstv 	/* Allocate buffer for data transfer (it's huge), command and
    590      1.148   mlelstv 	   status data here as auto allocation cannot happen in interrupt
    591      1.148   mlelstv 	   context */
    592       1.78   gehenna 	switch (sc->sc_wire) {
    593       1.78   gehenna 	case UMASS_WPROTO_BBB:
    594      1.148   mlelstv 		sc->data_buffer = usbd_alloc_buffer(
    595      1.148   mlelstv 			sc->transfer_xfer[XFER_BBB_DATA],
    596      1.148   mlelstv 			UMASS_MAX_TRANSFER_SIZE);
    597      1.148   mlelstv 		sc->cmd_buffer = usbd_alloc_buffer(
    598      1.148   mlelstv 			sc->transfer_xfer[XFER_BBB_CBW],
    599      1.148   mlelstv 			UMASS_BBB_CBW_SIZE);
    600      1.148   mlelstv 		sc->s1_buffer = usbd_alloc_buffer(
    601      1.148   mlelstv 			sc->transfer_xfer[XFER_BBB_CSW1],
    602      1.148   mlelstv 			UMASS_BBB_CSW_SIZE);
    603      1.148   mlelstv 		sc->s2_buffer = usbd_alloc_buffer(
    604      1.148   mlelstv 			sc->transfer_xfer[XFER_BBB_CSW2],
    605      1.148   mlelstv 			UMASS_BBB_CSW_SIZE);
    606      1.148   mlelstv 		break;
    607       1.78   gehenna 	case UMASS_WPROTO_CBI:
    608       1.78   gehenna 	case UMASS_WPROTO_CBI_I:
    609      1.148   mlelstv 		sc->data_buffer = usbd_alloc_buffer(
    610      1.148   mlelstv 			sc->transfer_xfer[XFER_CBI_DATA],
    611      1.148   mlelstv 			UMASS_MAX_TRANSFER_SIZE);
    612      1.148   mlelstv 		sc->cmd_buffer = usbd_alloc_buffer(
    613      1.148   mlelstv 			sc->transfer_xfer[XFER_CBI_CB],
    614      1.148   mlelstv 			sizeof(sc->cbl));
    615      1.148   mlelstv 		sc->s1_buffer = usbd_alloc_buffer(
    616      1.148   mlelstv 			sc->transfer_xfer[XFER_CBI_STATUS],
    617      1.148   mlelstv 			sizeof(sc->sbl));
    618      1.148   mlelstv 		sc->s2_buffer = usbd_alloc_buffer(
    619      1.148   mlelstv 			sc->transfer_xfer[XFER_CBI_RESET1],
    620      1.148   mlelstv 			sizeof(sc->cbl));
    621       1.28  augustss 		break;
    622       1.28  augustss 	default:
    623       1.28  augustss 		break;
    624       1.28  augustss 	}
    625        1.1   thorpej 
    626      1.148   mlelstv 	if (sc->data_buffer == NULL || sc->cmd_buffer == NULL
    627      1.148   mlelstv 	    || sc->s1_buffer == NULL || sc->s2_buffer == NULL) {
    628      1.148   mlelstv 		/*
    629      1.148   mlelstv 		 * partially preallocated buffers are freed with
    630      1.148   mlelstv 		 * the xfer structures
    631      1.148   mlelstv 		 */
    632      1.148   mlelstv 		aprint_error_dev(self, "no buffer memory\n");
    633      1.148   mlelstv 		umass_disco(sc);
    634      1.148   mlelstv 		return;
    635      1.148   mlelstv 	}
    636      1.148   mlelstv 
    637       1.28  augustss 	/* Initialise the wire protocol specific methods */
    638       1.78   gehenna 	switch (sc->sc_wire) {
    639       1.78   gehenna 	case UMASS_WPROTO_BBB:
    640       1.75   gehenna 		sc->sc_methods = &umass_bbb_methods;
    641       1.78   gehenna 		break;
    642       1.78   gehenna 	case UMASS_WPROTO_CBI:
    643       1.78   gehenna 	case UMASS_WPROTO_CBI_I:
    644       1.75   gehenna 		sc->sc_methods = &umass_cbi_methods;
    645       1.78   gehenna 		break;
    646       1.78   gehenna 	default:
    647       1.78   gehenna 		umass_disco(sc);
    648      1.131    dyoung 		return;
    649       1.78   gehenna 	}
    650       1.28  augustss 
    651       1.79  augustss 	error = 0;
    652       1.79  augustss 	switch (sc->sc_cmd) {
    653       1.79  augustss 	case UMASS_CPROTO_RBC:
    654       1.79  augustss 	case UMASS_CPROTO_SCSI:
    655       1.79  augustss #if NSCSIBUS > 0
    656       1.79  augustss 		error = umass_scsi_attach(sc);
    657       1.79  augustss #else
    658      1.128      cube 		aprint_error_dev(self, "scsibus not configured\n");
    659       1.79  augustss #endif
    660       1.79  augustss 		break;
    661       1.79  augustss 
    662       1.79  augustss 	case UMASS_CPROTO_UFI:
    663       1.79  augustss 	case UMASS_CPROTO_ATAPI:
    664       1.79  augustss #if NATAPIBUS > 0
    665       1.79  augustss 		error = umass_atapi_attach(sc);
    666       1.79  augustss #else
    667      1.128      cube 		aprint_error_dev(self, "atapibus not configured\n");
    668       1.80  augustss #endif
    669       1.80  augustss 		break;
    670       1.80  augustss 
    671       1.80  augustss 	case UMASS_CPROTO_ISD_ATA:
    672       1.80  augustss #if NWD > 0
    673       1.80  augustss 		error = umass_isdata_attach(sc);
    674       1.80  augustss #else
    675      1.128      cube 		aprint_error_dev(self, "isdata not configured\n");
    676       1.79  augustss #endif
    677       1.79  augustss 		break;
    678       1.79  augustss 
    679       1.79  augustss 	default:
    680      1.128      cube 		aprint_error_dev(self, "command protocol=0x%x not supported\n",
    681      1.128      cube 		    sc->sc_cmd);
    682       1.28  augustss 		umass_disco(sc);
    683      1.131    dyoung 		return;
    684       1.28  augustss 	}
    685       1.79  augustss 	if (error) {
    686      1.128      cube 		aprint_error_dev(self, "bus attach failed\n");
    687       1.79  augustss 		umass_disco(sc);
    688      1.131    dyoung 		return;
    689       1.79  augustss 	}
    690       1.79  augustss 
    691       1.79  augustss 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
    692      1.131    dyoung 			   sc->sc_dev);
    693        1.1   thorpej 
    694      1.125  jmcneill 	if (!pmf_device_register(self, NULL, NULL))
    695      1.125  jmcneill 		aprint_error_dev(self, "couldn't establish power handler\n");
    696      1.125  jmcneill 
    697      1.131    dyoung 	DPRINTF(UDMASS_GEN, ("%s: Attach finished\n", device_xname(sc->sc_dev)));
    698       1.28  augustss 
    699      1.131    dyoung 	return;
    700        1.1   thorpej }
    701        1.1   thorpej 
    702      1.131    dyoung static void
    703      1.131    dyoung umass_childdet(device_t self, device_t child)
    704      1.131    dyoung {
    705      1.131    dyoung 	struct umass_softc *sc = device_private(self);
    706      1.131    dyoung 
    707      1.142       mrg 	KASSERTMSG(child == sc->bus->sc_child,
    708      1.142       mrg 		   "assertion child == sc->bus->sc_child failed\n");
    709      1.131    dyoung 	sc->bus->sc_child = NULL;
    710      1.131    dyoung }
    711      1.131    dyoung 
    712      1.131    dyoung int
    713      1.131    dyoung umass_detach(device_t self, int flags)
    714       1.28  augustss {
    715      1.131    dyoung 	struct umass_softc *sc = device_private(self);
    716      1.105  augustss 	struct umassbus_softc *scbus;
    717      1.145       mrg 	int rv = 0, i;
    718        1.1   thorpej 
    719      1.131    dyoung 	DPRINTF(UDMASS_USB, ("%s: detached\n", device_xname(sc->sc_dev)));
    720       1.28  augustss 
    721      1.125  jmcneill 	pmf_device_deregister(self);
    722      1.125  jmcneill 
    723       1.28  augustss 	/* Abort the pipes to wake up any waiting processes. */
    724       1.73   gehenna 	for (i = 0 ; i < UMASS_NEP ; i++) {
    725      1.117   nathanw 		if (sc->sc_pipe[i] != NULL)
    726       1.73   gehenna 			usbd_abort_pipe(sc->sc_pipe[i]);
    727       1.73   gehenna 	}
    728       1.28  augustss 
    729       1.42  augustss 	/* Do we really need reference counting?  Perhaps in ioctl() */
    730      1.145       mrg 	mutex_enter(&sc->sc_lock);
    731       1.28  augustss 	if (--sc->sc_refcnt >= 0) {
    732       1.95  augustss #ifdef DIAGNOSTIC
    733      1.128      cube 		aprint_normal_dev(self, "waiting for refcnt\n");
    734       1.95  augustss #endif
    735       1.28  augustss 		/* Wait for processes to go away. */
    736      1.145       mrg 		usb_detach_wait(sc->sc_dev, &sc->sc_detach_cv, &sc->sc_lock);
    737       1.28  augustss 	}
    738      1.145       mrg 	mutex_exit(&sc->sc_lock);
    739       1.28  augustss 
    740      1.105  augustss 	scbus = sc->bus;
    741       1.79  augustss 	if (scbus != NULL) {
    742       1.79  augustss 		if (scbus->sc_child != NULL)
    743       1.79  augustss 			rv = config_detach(scbus->sc_child, flags);
    744       1.79  augustss 		free(scbus, M_DEVBUF);
    745       1.79  augustss 		sc->bus = NULL;
    746       1.79  augustss 	}
    747       1.56  augustss 
    748       1.28  augustss 	if (rv != 0)
    749       1.28  augustss 		return (rv);
    750       1.28  augustss 
    751       1.28  augustss 	umass_disco(sc);
    752       1.28  augustss 
    753       1.28  augustss 	usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
    754      1.131    dyoung 			   sc->sc_dev);
    755       1.28  augustss 
    756      1.145       mrg 	mutex_destroy(&sc->sc_lock);
    757      1.145       mrg 	cv_destroy(&sc->sc_detach_cv);
    758      1.145       mrg 
    759       1.79  augustss 	return (rv);
    760       1.79  augustss }
    761       1.79  augustss 
    762       1.79  augustss int
    763      1.128      cube umass_activate(device_t dev, enum devact act)
    764       1.79  augustss {
    765      1.128      cube 	struct umass_softc *sc = device_private(dev);
    766       1.79  augustss 
    767       1.79  augustss 	DPRINTF(UDMASS_USB, ("%s: umass_activate: %d\n",
    768      1.136    dyoung 	    device_xname(dev), act));
    769       1.79  augustss 
    770       1.79  augustss 	switch (act) {
    771       1.79  augustss 	case DVACT_DEACTIVATE:
    772       1.79  augustss 		sc->sc_dying = 1;
    773      1.136    dyoung 		return 0;
    774      1.133    dyoung 	default:
    775      1.133    dyoung 		return EOPNOTSUPP;
    776       1.79  augustss 	}
    777       1.28  augustss }
    778       1.28  augustss 
    779       1.28  augustss Static void
    780       1.38  augustss umass_disco(struct umass_softc *sc)
    781       1.88  augustss {
    782       1.28  augustss 	int i;
    783       1.28  augustss 
    784       1.28  augustss 	DPRINTF(UDMASS_GEN, ("umass_disco\n"));
    785       1.28  augustss 
    786       1.28  augustss 	/* Remove all the pipes. */
    787       1.73   gehenna 	for (i = 0 ; i < UMASS_NEP ; i++) {
    788       1.93    toshii 		if (sc->sc_pipe[i] != NULL) {
    789      1.130    jmorse 			usbd_abort_pipe(sc->sc_pipe[i]);
    790       1.73   gehenna 			usbd_close_pipe(sc->sc_pipe[i]);
    791       1.93    toshii 			sc->sc_pipe[i] = NULL;
    792       1.93    toshii 		}
    793       1.73   gehenna 	}
    794      1.130    jmorse 
    795      1.130    jmorse 	/* Some xfers may be queued in the default pipe */
    796      1.130    jmorse 	usbd_abort_default_pipe(sc->sc_udev);
    797      1.130    jmorse 
    798      1.130    jmorse 	/* Free the xfers. */
    799      1.130    jmorse 	for (i = 0; i < XFER_NR; i++)
    800      1.130    jmorse 		if (sc->transfer_xfer[i] != NULL) {
    801      1.130    jmorse 			usbd_free_xfer(sc->transfer_xfer[i]);
    802      1.130    jmorse 			sc->transfer_xfer[i] = NULL;
    803      1.130    jmorse 		}
    804       1.28  augustss }
    805        1.1   thorpej 
    806       1.28  augustss /*
    807       1.28  augustss  * Generic functions to handle transfers
    808       1.28  augustss  */
    809        1.9   thorpej 
    810       1.28  augustss Static usbd_status
    811       1.28  augustss umass_setup_transfer(struct umass_softc *sc, usbd_pipe_handle pipe,
    812       1.28  augustss 			void *buffer, int buflen, int flags,
    813       1.28  augustss 			usbd_xfer_handle xfer)
    814       1.28  augustss {
    815       1.28  augustss 	usbd_status err;
    816        1.9   thorpej 
    817      1.149     skrll 	USBHIST_FUNC(); USBHIST_CALLED(umassdebug);
    818      1.149     skrll 
    819       1.28  augustss 	if (sc->sc_dying)
    820       1.28  augustss 		return (USBD_IOERROR);
    821       1.18  augustss 
    822       1.28  augustss 	/* Initialiase a USB transfer and then schedule it */
    823       1.18  augustss 
    824       1.28  augustss 	usbd_setup_xfer(xfer, pipe, (void *)sc, buffer, buflen,
    825      1.143       mrg 	    flags, sc->timeout, sc->sc_methods->wire_state);
    826       1.18  augustss 
    827      1.149     skrll 	USBHIST_LOG(umassdebug, "xfer %p, flags %d", xfer, flags, 0, 0);
    828      1.149     skrll 
    829       1.28  augustss 	err = usbd_transfer(xfer);
    830       1.28  augustss 	DPRINTF(UDMASS_XFER,("%s: start xfer buffer=%p buflen=%d flags=0x%x "
    831      1.131    dyoung 	    "timeout=%d\n", device_xname(sc->sc_dev),
    832      1.143       mrg 	    buffer, buflen, flags, sc->timeout));
    833       1.28  augustss 	if (err && err != USBD_IN_PROGRESS) {
    834       1.28  augustss 		DPRINTF(UDMASS_BBB, ("%s: failed to setup transfer, %s\n",
    835      1.131    dyoung 			device_xname(sc->sc_dev), usbd_errstr(err)));
    836       1.28  augustss 		return (err);
    837        1.9   thorpej 	}
    838       1.24  augustss 
    839       1.28  augustss 	return (USBD_NORMAL_COMPLETION);
    840        1.1   thorpej }
    841        1.1   thorpej 
    842        1.1   thorpej 
    843       1.28  augustss Static usbd_status
    844       1.74   gehenna umass_setup_ctrl_transfer(struct umass_softc *sc, usb_device_request_t *req,
    845       1.74   gehenna 	 void *buffer, int buflen, int flags, usbd_xfer_handle xfer)
    846        1.1   thorpej {
    847        1.1   thorpej 	usbd_status err;
    848        1.1   thorpej 
    849       1.28  augustss 	if (sc->sc_dying)
    850       1.28  augustss 		return (USBD_IOERROR);
    851        1.1   thorpej 
    852       1.28  augustss 	/* Initialiase a USB control transfer and then schedule it */
    853        1.1   thorpej 
    854       1.75   gehenna 	usbd_setup_default_xfer(xfer, sc->sc_udev, (void *) sc, sc->timeout,
    855       1.75   gehenna 		req, buffer, buflen, flags, sc->sc_methods->wire_state);
    856        1.1   thorpej 
    857       1.28  augustss 	err = usbd_transfer(xfer);
    858       1.28  augustss 	if (err && err != USBD_IN_PROGRESS) {
    859       1.28  augustss 		DPRINTF(UDMASS_BBB, ("%s: failed to setup ctrl transfer, %s\n",
    860      1.131    dyoung 			 device_xname(sc->sc_dev), usbd_errstr(err)));
    861        1.1   thorpej 
    862       1.28  augustss 		/* do not reset, as this would make us loop */
    863       1.28  augustss 		return (err);
    864       1.28  augustss 	}
    865        1.1   thorpej 
    866       1.28  augustss 	return (USBD_NORMAL_COMPLETION);
    867        1.1   thorpej }
    868        1.1   thorpej 
    869       1.28  augustss Static void
    870       1.73   gehenna umass_clear_endpoint_stall(struct umass_softc *sc, int endpt,
    871       1.73   gehenna 	usbd_xfer_handle xfer)
    872        1.7   thorpej {
    873       1.28  augustss 	if (sc->sc_dying)
    874       1.28  augustss 		return;
    875        1.1   thorpej 
    876       1.28  augustss 	DPRINTF(UDMASS_BBB, ("%s: Clear endpoint 0x%02x stall\n",
    877      1.131    dyoung 		device_xname(sc->sc_dev), sc->sc_epaddr[endpt]));
    878        1.7   thorpej 
    879       1.73   gehenna 	usbd_clear_endpoint_toggle(sc->sc_pipe[endpt]);
    880        1.7   thorpej 
    881       1.78   gehenna 	sc->sc_req.bmRequestType = UT_WRITE_ENDPOINT;
    882       1.78   gehenna 	sc->sc_req.bRequest = UR_CLEAR_FEATURE;
    883       1.78   gehenna 	USETW(sc->sc_req.wValue, UF_ENDPOINT_HALT);
    884       1.78   gehenna 	USETW(sc->sc_req.wIndex, sc->sc_epaddr[endpt]);
    885       1.78   gehenna 	USETW(sc->sc_req.wLength, 0);
    886       1.78   gehenna 	umass_setup_ctrl_transfer(sc, &sc->sc_req, NULL, 0, 0, xfer);
    887       1.28  augustss }
    888       1.15   thorpej 
    889       1.29     enami #if 0
    890       1.28  augustss Static void
    891       1.28  augustss umass_reset(struct umass_softc *sc, transfer_cb_f cb, void *priv)
    892       1.28  augustss {
    893       1.28  augustss 	sc->transfer_cb = cb;
    894       1.28  augustss 	sc->transfer_priv = priv;
    895        1.1   thorpej 
    896       1.28  augustss 	/* The reset is a forced reset, so no error (yet) */
    897       1.28  augustss 	sc->reset(sc, STATUS_CMD_OK);
    898        1.7   thorpej }
    899       1.29     enami #endif
    900        1.1   thorpej 
    901       1.28  augustss /*
    902       1.28  augustss  * Bulk protocol specific functions
    903       1.28  augustss  */
    904       1.28  augustss 
    905       1.28  augustss Static void
    906       1.28  augustss umass_bbb_reset(struct umass_softc *sc, int status)
    907        1.1   thorpej {
    908      1.142       mrg 	KASSERTMSG(sc->sc_wire & UMASS_WPROTO_BBB,
    909      1.142       mrg 		   "sc->sc_wire == 0x%02x wrong for umass_bbb_reset\n",
    910      1.142       mrg 		   sc->sc_wire);
    911       1.28  augustss 
    912       1.28  augustss 	if (sc->sc_dying)
    913       1.28  augustss 		return;
    914        1.1   thorpej 
    915        1.1   thorpej 	/*
    916        1.1   thorpej 	 * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class)
    917        1.1   thorpej 	 *
    918        1.1   thorpej 	 * For Reset Recovery the host shall issue in the following order:
    919        1.1   thorpej 	 * a) a Bulk-Only Mass Storage Reset
    920        1.1   thorpej 	 * b) a Clear Feature HALT to the Bulk-In endpoint
    921        1.1   thorpej 	 * c) a Clear Feature HALT to the Bulk-Out endpoint
    922       1.28  augustss 	 *
    923       1.28  augustss 	 * This is done in 3 steps, states:
    924       1.28  augustss 	 * TSTATE_BBB_RESET1
    925       1.28  augustss 	 * TSTATE_BBB_RESET2
    926       1.28  augustss 	 * TSTATE_BBB_RESET3
    927       1.28  augustss 	 *
    928       1.28  augustss 	 * If the reset doesn't succeed, the device should be port reset.
    929        1.1   thorpej 	 */
    930        1.1   thorpej 
    931       1.28  augustss 	DPRINTF(UDMASS_BBB, ("%s: Bulk Reset\n",
    932      1.131    dyoung 		device_xname(sc->sc_dev)));
    933       1.88  augustss 
    934       1.28  augustss 	sc->transfer_state = TSTATE_BBB_RESET1;
    935       1.28  augustss 	sc->transfer_status = status;
    936        1.1   thorpej 
    937       1.28  augustss 	/* reset is a class specific interface write */
    938       1.78   gehenna 	sc->sc_req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
    939       1.78   gehenna 	sc->sc_req.bRequest = UR_BBB_RESET;
    940       1.78   gehenna 	USETW(sc->sc_req.wValue, 0);
    941       1.78   gehenna 	USETW(sc->sc_req.wIndex, sc->sc_ifaceno);
    942       1.78   gehenna 	USETW(sc->sc_req.wLength, 0);
    943       1.78   gehenna 	umass_setup_ctrl_transfer(sc, &sc->sc_req, NULL, 0, 0,
    944       1.28  augustss 				  sc->transfer_xfer[XFER_BBB_RESET1]);
    945       1.28  augustss }
    946       1.28  augustss 
    947       1.28  augustss Static void
    948       1.28  augustss umass_bbb_transfer(struct umass_softc *sc, int lun, void *cmd, int cmdlen,
    949       1.67  augustss 		   void *data, int datalen, int dir, u_int timeout,
    950      1.143       mrg 		   int flags, umass_callback cb, void *priv)
    951       1.28  augustss {
    952       1.28  augustss 	static int dCBWtag = 42;	/* unique for CBW of transfer */
    953        1.1   thorpej 
    954       1.28  augustss 	DPRINTF(UDMASS_BBB,("%s: umass_bbb_transfer cmd=0x%02x\n",
    955      1.131    dyoung 		device_xname(sc->sc_dev), *(u_char *)cmd));
    956        1.1   thorpej 
    957      1.142       mrg 	KASSERTMSG(sc->sc_wire & UMASS_WPROTO_BBB,
    958      1.142       mrg 		   "sc->sc_wire == 0x%02x wrong for umass_bbb_transfer\n",
    959      1.142       mrg 		   sc->sc_wire);
    960        1.1   thorpej 
    961      1.116   mycroft 	if (sc->sc_dying)
    962      1.116   mycroft 		return;
    963      1.116   mycroft 
    964       1.67  augustss 	/* Be a little generous. */
    965       1.67  augustss 	sc->timeout = timeout + USBD_DEFAULT_TIMEOUT;
    966       1.67  augustss 
    967        1.1   thorpej 	/*
    968       1.28  augustss 	 * Do a Bulk-Only transfer with cmdlen bytes from cmd, possibly
    969       1.28  augustss 	 * a data phase of datalen bytes from/to the device and finally a
    970       1.28  augustss 	 * csw read phase.
    971       1.28  augustss 	 * If the data direction was inbound a maximum of datalen bytes
    972       1.28  augustss 	 * is stored in the buffer pointed to by data.
    973       1.28  augustss 	 *
    974       1.28  augustss 	 * umass_bbb_transfer initialises the transfer and lets the state
    975       1.88  augustss 	 * machine in umass_bbb_state handle the completion. It uses the
    976       1.28  augustss 	 * following states:
    977       1.28  augustss 	 * TSTATE_BBB_COMMAND
    978       1.28  augustss 	 *   -> TSTATE_BBB_DATA
    979       1.28  augustss 	 *   -> TSTATE_BBB_STATUS
    980       1.28  augustss 	 *   -> TSTATE_BBB_STATUS2
    981       1.28  augustss 	 *   -> TSTATE_BBB_IDLE
    982       1.28  augustss 	 *
    983       1.28  augustss 	 * An error in any of those states will invoke
    984       1.28  augustss 	 * umass_bbb_reset.
    985        1.1   thorpej 	 */
    986        1.1   thorpej 
    987        1.1   thorpej 	/* check the given arguments */
    988      1.142       mrg 	KASSERTMSG(datalen == 0 || data != NULL,
    989      1.142       mrg 		   "%s: datalen > 0, but no buffer",device_xname(sc->sc_dev));
    990      1.142       mrg 	KASSERTMSG(cmdlen <= CBWCDBLENGTH,
    991      1.142       mrg 		   "%s: cmdlen exceeds CDB length in CBW (%d > %d)",
    992      1.142       mrg 			device_xname(sc->sc_dev), cmdlen, CBWCDBLENGTH);
    993      1.142       mrg 	KASSERTMSG(dir == DIR_NONE || datalen > 0,
    994      1.142       mrg 		   "%s: datalen == 0 while direction is not NONE\n",
    995      1.142       mrg 			device_xname(sc->sc_dev));
    996      1.142       mrg 	KASSERTMSG(datalen == 0 || dir != DIR_NONE,
    997      1.142       mrg 		   "%s: direction is NONE while datalen is not zero\n",
    998      1.142       mrg 			device_xname(sc->sc_dev));
    999      1.142       mrg 	/* CTASSERT */
   1000      1.142       mrg 	KASSERTMSG(sizeof(umass_bbb_cbw_t) == UMASS_BBB_CBW_SIZE,
   1001      1.142       mrg 		   "%s: CBW struct does not have the right size (%zu vs. %u)\n",
   1002      1.131    dyoung 			device_xname(sc->sc_dev),
   1003      1.142       mrg 			sizeof(umass_bbb_cbw_t), UMASS_BBB_CBW_SIZE);
   1004      1.142       mrg 	/* CTASSERT */
   1005      1.142       mrg 	KASSERTMSG(sizeof(umass_bbb_csw_t) == UMASS_BBB_CSW_SIZE,
   1006      1.142       mrg 		   "%s: CSW struct does not have the right size (%zu vs. %u)\n",
   1007      1.131    dyoung 			device_xname(sc->sc_dev),
   1008      1.142       mrg 			sizeof(umass_bbb_csw_t), UMASS_BBB_CSW_SIZE);
   1009        1.1   thorpej 
   1010        1.1   thorpej 	/*
   1011       1.28  augustss 	 * Determine the direction of the data transfer and the length.
   1012        1.1   thorpej 	 *
   1013        1.1   thorpej 	 * dCBWDataTransferLength (datalen) :
   1014        1.1   thorpej 	 *   This field indicates the number of bytes of data that the host
   1015        1.1   thorpej 	 *   intends to transfer on the IN or OUT Bulk endpoint(as indicated by
   1016        1.1   thorpej 	 *   the Direction bit) during the execution of this command. If this
   1017        1.1   thorpej 	 *   field is set to 0, the device will expect that no data will be
   1018        1.1   thorpej 	 *   transferred IN or OUT during this command, regardless of the value
   1019        1.1   thorpej 	 *   of the Direction bit defined in dCBWFlags.
   1020        1.1   thorpej 	 *
   1021        1.1   thorpej 	 * dCBWFlags (dir) :
   1022        1.1   thorpej 	 *   The bits of the Flags field are defined as follows:
   1023       1.28  augustss 	 *     Bits 0-6	 reserved
   1024       1.28  augustss 	 *     Bit  7	 Direction - this bit shall be ignored if the
   1025       1.28  augustss 	 *			     dCBWDataTransferLength field is zero.
   1026       1.28  augustss 	 *		 0 = data Out from host to device
   1027       1.28  augustss 	 *		 1 = data In from device to host
   1028        1.1   thorpej 	 */
   1029        1.1   thorpej 
   1030       1.28  augustss 	/* Fill in the Command Block Wrapper */
   1031       1.28  augustss 	USETDW(sc->cbw.dCBWSignature, CBWSIGNATURE);
   1032       1.28  augustss 	USETDW(sc->cbw.dCBWTag, dCBWtag);
   1033       1.28  augustss 	dCBWtag++;	/* cannot be done in macro (it will be done 4 times) */
   1034       1.28  augustss 	USETDW(sc->cbw.dCBWDataTransferLength, datalen);
   1035       1.28  augustss 	/* DIR_NONE is treated as DIR_OUT (0x00) */
   1036       1.28  augustss 	sc->cbw.bCBWFlags = (dir == DIR_IN? CBWFLAGS_IN:CBWFLAGS_OUT);
   1037       1.28  augustss 	sc->cbw.bCBWLUN = lun;
   1038       1.28  augustss 	sc->cbw.bCDBLength = cmdlen;
   1039       1.69   gehenna 	memcpy(sc->cbw.CBWCDB, cmd, cmdlen);
   1040       1.28  augustss 
   1041       1.28  augustss 	DIF(UDMASS_BBB, umass_bbb_dump_cbw(sc, &sc->cbw));
   1042       1.28  augustss 
   1043       1.28  augustss 	/* store the details for the data transfer phase */
   1044       1.28  augustss 	sc->transfer_dir = dir;
   1045       1.28  augustss 	sc->transfer_data = data;
   1046       1.28  augustss 	sc->transfer_datalen = datalen;
   1047       1.28  augustss 	sc->transfer_actlen = 0;
   1048       1.28  augustss 	sc->transfer_cb = cb;
   1049       1.28  augustss 	sc->transfer_priv = priv;
   1050       1.28  augustss 	sc->transfer_status = STATUS_CMD_OK;
   1051        1.1   thorpej 
   1052       1.28  augustss 	/* move from idle to the command state */
   1053       1.28  augustss 	sc->transfer_state = TSTATE_BBB_COMMAND;
   1054        1.1   thorpej 
   1055        1.1   thorpej 	/* Send the CBW from host to device via bulk-out endpoint. */
   1056       1.73   gehenna 	if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKOUT],
   1057      1.143       mrg 			&sc->cbw, UMASS_BBB_CBW_SIZE, flags,
   1058       1.28  augustss 			sc->transfer_xfer[XFER_BBB_CBW])) {
   1059       1.28  augustss 		umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1060        1.1   thorpej 	}
   1061       1.28  augustss }
   1062       1.28  augustss 
   1063        1.1   thorpej 
   1064       1.28  augustss Static void
   1065       1.28  augustss umass_bbb_state(usbd_xfer_handle xfer, usbd_private_handle priv,
   1066       1.28  augustss 		usbd_status err)
   1067       1.28  augustss {
   1068       1.28  augustss 	struct umass_softc *sc = (struct umass_softc *) priv;
   1069       1.28  augustss 	usbd_xfer_handle next_xfer;
   1070      1.135        is 	int residue;
   1071       1.28  augustss 
   1072      1.149     skrll 	USBHIST_FUNC(); USBHIST_CALLED(umassdebug);
   1073      1.149     skrll 
   1074      1.142       mrg 	KASSERTMSG(sc->sc_wire & UMASS_WPROTO_BBB,
   1075      1.142       mrg 		   "sc->sc_wire == 0x%02x wrong for umass_bbb_state\n",
   1076      1.142       mrg 		   sc->sc_wire);
   1077       1.28  augustss 
   1078       1.28  augustss 	if (sc->sc_dying)
   1079       1.28  augustss 		return;
   1080        1.1   thorpej 
   1081        1.1   thorpej 	/*
   1082       1.28  augustss 	 * State handling for BBB transfers.
   1083       1.28  augustss 	 *
   1084       1.28  augustss 	 * The subroutine is rather long. It steps through the states given in
   1085       1.28  augustss 	 * Annex A of the Bulk-Only specification.
   1086       1.28  augustss 	 * Each state first does the error handling of the previous transfer
   1087       1.28  augustss 	 * and then prepares the next transfer.
   1088       1.28  augustss 	 * Each transfer is done asynchroneously so after the request/transfer
   1089       1.28  augustss 	 * has been submitted you will find a 'return;'.
   1090        1.1   thorpej 	 */
   1091        1.1   thorpej 
   1092       1.28  augustss 	DPRINTF(UDMASS_BBB, ("%s: Handling BBB state %d (%s), xfer=%p, %s\n",
   1093      1.131    dyoung 		device_xname(sc->sc_dev), sc->transfer_state,
   1094       1.28  augustss 		states[sc->transfer_state], xfer, usbd_errstr(err)));
   1095       1.28  augustss 
   1096      1.149     skrll 	USBHIST_LOG(umassdebug, "xfer %p, transfer_state %d dir %d", xfer,
   1097      1.149     skrll 	    sc->transfer_state, sc->transfer_dir, 0);
   1098      1.149     skrll 
   1099       1.28  augustss 	switch (sc->transfer_state) {
   1100       1.28  augustss 
   1101       1.28  augustss 	/***** Bulk Transfer *****/
   1102       1.28  augustss 	case TSTATE_BBB_COMMAND:
   1103       1.28  augustss 		/* Command transport phase, error handling */
   1104       1.28  augustss 		if (err) {
   1105       1.28  augustss 			DPRINTF(UDMASS_BBB, ("%s: failed to send CBW\n",
   1106      1.131    dyoung 				device_xname(sc->sc_dev)));
   1107       1.28  augustss 			/* If the device detects that the CBW is invalid, then
   1108       1.28  augustss 			 * the device may STALL both bulk endpoints and require
   1109       1.28  augustss 			 * a Bulk-Reset
   1110       1.28  augustss 			 */
   1111       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1112       1.28  augustss 			return;
   1113       1.28  augustss 		}
   1114       1.28  augustss 
   1115       1.28  augustss 		/* Data transport phase, setup transfer */
   1116       1.28  augustss 		sc->transfer_state = TSTATE_BBB_DATA;
   1117       1.28  augustss 		if (sc->transfer_dir == DIR_IN) {
   1118       1.73   gehenna 			if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKIN],
   1119       1.28  augustss 					sc->data_buffer, sc->transfer_datalen,
   1120  1.149.2.2     skrll 					USBD_SHORT_XFER_OK,
   1121       1.28  augustss 					sc->transfer_xfer[XFER_BBB_DATA]))
   1122       1.28  augustss 				umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1123       1.28  augustss 
   1124       1.28  augustss 			return;
   1125       1.28  augustss 		} else if (sc->transfer_dir == DIR_OUT) {
   1126       1.88  augustss 			memcpy(sc->data_buffer, sc->transfer_data,
   1127       1.28  augustss 			       sc->transfer_datalen);
   1128       1.73   gehenna 			if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKOUT],
   1129       1.28  augustss 					sc->data_buffer, sc->transfer_datalen,
   1130  1.149.2.2     skrll 					0,/* fixed length transfer */
   1131       1.28  augustss 					sc->transfer_xfer[XFER_BBB_DATA]))
   1132       1.28  augustss 				umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1133        1.1   thorpej 
   1134       1.28  augustss 			return;
   1135       1.28  augustss 		} else {
   1136       1.28  augustss 			DPRINTF(UDMASS_BBB, ("%s: no data phase\n",
   1137      1.131    dyoung 				device_xname(sc->sc_dev)));
   1138       1.28  augustss 		}
   1139        1.1   thorpej 
   1140       1.28  augustss 		/* FALLTHROUGH if no data phase, err == 0 */
   1141       1.28  augustss 	case TSTATE_BBB_DATA:
   1142      1.103   mycroft 		/* Command transport phase error handling (ignored if no data
   1143       1.28  augustss 		 * phase (fallthrough from previous state)) */
   1144       1.28  augustss 		if (sc->transfer_dir != DIR_NONE) {
   1145       1.28  augustss 			/* retrieve the length of the transfer that was done */
   1146       1.28  augustss 			usbd_get_xfer_status(xfer, NULL, NULL,
   1147      1.103   mycroft 			     &sc->transfer_actlen, NULL);
   1148      1.103   mycroft 			DPRINTF(UDMASS_BBB, ("%s: BBB_DATA actlen=%d\n",
   1149      1.131    dyoung 				device_xname(sc->sc_dev), sc->transfer_actlen));
   1150       1.28  augustss 
   1151       1.28  augustss 			if (err) {
   1152       1.65  augustss 				DPRINTF(UDMASS_BBB, ("%s: Data-%s %d failed, "
   1153      1.131    dyoung 					"%s\n", device_xname(sc->sc_dev),
   1154       1.28  augustss 					(sc->transfer_dir == DIR_IN?"in":"out"),
   1155       1.28  augustss 					sc->transfer_datalen,usbd_errstr(err)));
   1156       1.28  augustss 
   1157       1.28  augustss 				if (err == USBD_STALLED) {
   1158       1.70   gehenna 					sc->transfer_state = TSTATE_BBB_DCLEAR;
   1159       1.28  augustss 					umass_clear_endpoint_stall(sc,
   1160       1.28  augustss 					  (sc->transfer_dir == DIR_IN?
   1161       1.73   gehenna 					    UMASS_BULKIN:UMASS_BULKOUT),
   1162       1.28  augustss 					  sc->transfer_xfer[XFER_BBB_DCLEAR]);
   1163       1.28  augustss 				} else {
   1164       1.28  augustss 					/* Unless the error is a pipe stall the
   1165       1.28  augustss 					 * error is fatal.
   1166       1.28  augustss 					 */
   1167       1.28  augustss 					umass_bbb_reset(sc,STATUS_WIRE_FAILED);
   1168       1.28  augustss 				}
   1169      1.103   mycroft 				return;
   1170       1.28  augustss 			}
   1171       1.28  augustss 		}
   1172        1.1   thorpej 
   1173      1.101   mycroft 		/* FALLTHROUGH, err == 0 (no data phase or successful) */
   1174      1.101   mycroft 	case TSTATE_BBB_DCLEAR: /* stall clear after data phase */
   1175       1.28  augustss 		if (sc->transfer_dir == DIR_IN)
   1176       1.28  augustss 			memcpy(sc->transfer_data, sc->data_buffer,
   1177       1.28  augustss 			       sc->transfer_actlen);
   1178       1.28  augustss 
   1179       1.28  augustss 		DIF(UDMASS_BBB, if (sc->transfer_dir == DIR_IN)
   1180       1.28  augustss 					umass_dump_buffer(sc, sc->transfer_data,
   1181       1.28  augustss 						sc->transfer_datalen, 48));
   1182       1.28  augustss 
   1183       1.94       wiz 		/* FALLTHROUGH, err == 0 (no data phase or successful) */
   1184       1.28  augustss 	case TSTATE_BBB_SCLEAR: /* stall clear after status phase */
   1185       1.28  augustss 		/* Reading of CSW after bulk stall condition in data phase
   1186       1.28  augustss 		 * (TSTATE_BBB_DATA2) or bulk-in stall condition after
   1187       1.28  augustss 		 * reading CSW (TSTATE_BBB_SCLEAR).
   1188       1.94       wiz 		 * In the case of no data phase or successful data phase,
   1189       1.28  augustss 		 * err == 0 and the following if block is passed.
   1190       1.28  augustss 		 */
   1191       1.28  augustss 		if (err) {	/* should not occur */
   1192      1.103   mycroft 			printf("%s: BBB bulk-%s stall clear failed, %s\n",
   1193      1.131    dyoung 			    device_xname(sc->sc_dev),
   1194      1.103   mycroft 			    (sc->transfer_dir == DIR_IN? "in":"out"),
   1195      1.103   mycroft 			    usbd_errstr(err));
   1196       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1197       1.28  augustss 			return;
   1198       1.28  augustss 		}
   1199       1.88  augustss 
   1200       1.28  augustss 		/* Status transport phase, setup transfer */
   1201       1.28  augustss 		if (sc->transfer_state == TSTATE_BBB_COMMAND ||
   1202       1.28  augustss 		    sc->transfer_state == TSTATE_BBB_DATA ||
   1203       1.28  augustss 		    sc->transfer_state == TSTATE_BBB_DCLEAR) {
   1204       1.94       wiz 			/* After no data phase, successful data phase and
   1205       1.28  augustss 			 * after clearing bulk-in/-out stall condition
   1206       1.28  augustss 			 */
   1207       1.28  augustss 			sc->transfer_state = TSTATE_BBB_STATUS1;
   1208       1.28  augustss 			next_xfer = sc->transfer_xfer[XFER_BBB_CSW1];
   1209       1.28  augustss 		} else {
   1210       1.28  augustss 			/* After first attempt of fetching CSW */
   1211       1.28  augustss 			sc->transfer_state = TSTATE_BBB_STATUS2;
   1212       1.28  augustss 			next_xfer = sc->transfer_xfer[XFER_BBB_CSW2];
   1213        1.1   thorpej 		}
   1214        1.1   thorpej 
   1215       1.28  augustss 		/* Read the Command Status Wrapper via bulk-in endpoint. */
   1216       1.73   gehenna 		if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKIN],
   1217       1.73   gehenna 			&sc->csw, UMASS_BBB_CSW_SIZE, 0, next_xfer)) {
   1218       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1219       1.28  augustss 			return;
   1220       1.28  augustss 		}
   1221        1.1   thorpej 
   1222       1.28  augustss 		return;
   1223       1.28  augustss 	case TSTATE_BBB_STATUS1:	/* first attempt */
   1224       1.28  augustss 	case TSTATE_BBB_STATUS2:	/* second attempt */
   1225       1.28  augustss 		/* Status transfer, error handling */
   1226        1.1   thorpej 		if (err) {
   1227       1.28  augustss 			DPRINTF(UDMASS_BBB, ("%s: Failed to read CSW, %s%s\n",
   1228      1.131    dyoung 				device_xname(sc->sc_dev), usbd_errstr(err),
   1229       1.28  augustss 				(sc->transfer_state == TSTATE_BBB_STATUS1?
   1230       1.28  augustss 					", retrying":"")));
   1231       1.28  augustss 
   1232       1.28  augustss 			/* If this was the first attempt at fetching the CSW
   1233       1.28  augustss 			 * retry it, otherwise fail.
   1234       1.28  augustss 			 */
   1235       1.28  augustss 			if (sc->transfer_state == TSTATE_BBB_STATUS1) {
   1236       1.70   gehenna 				sc->transfer_state = TSTATE_BBB_SCLEAR;
   1237       1.73   gehenna 				umass_clear_endpoint_stall(sc, UMASS_BULKIN,
   1238       1.66  augustss 				    sc->transfer_xfer[XFER_BBB_SCLEAR]);
   1239       1.28  augustss 				return;
   1240       1.28  augustss 			} else {
   1241       1.28  augustss 				umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1242       1.28  augustss 				return;
   1243       1.28  augustss 			}
   1244       1.28  augustss 		}
   1245       1.28  augustss 
   1246       1.28  augustss 		DIF(UDMASS_BBB, umass_bbb_dump_csw(sc, &sc->csw));
   1247       1.68  augustss 
   1248      1.146  drochner #ifdef UMASS_DEBUG
   1249      1.146  drochner 		residue = UGETDW(sc->csw.dCSWDataResidue);
   1250      1.146  drochner 		if (residue != sc->transfer_datalen - sc->transfer_actlen)
   1251      1.146  drochner 			printf("%s: dCSWDataResidue=%d req=%d act=%d\n",
   1252      1.146  drochner 			       device_xname(sc->sc_dev), residue,
   1253      1.146  drochner 			       sc->transfer_datalen, sc->transfer_actlen);
   1254      1.146  drochner #endif
   1255      1.146  drochner 		residue = sc->transfer_datalen - sc->transfer_actlen;
   1256      1.135        is 
   1257       1.68  augustss 		/* Translate weird command-status signatures. */
   1258       1.78   gehenna 		if ((sc->sc_quirks & UMASS_QUIRK_WRONG_CSWSIG) &&
   1259       1.68  augustss 		    UGETDW(sc->csw.dCSWSignature) == CSWSIGNATURE_OLYMPUS_C1)
   1260       1.68  augustss 			USETDW(sc->csw.dCSWSignature, CSWSIGNATURE);
   1261       1.91       erh 
   1262       1.91       erh 		/* Translate invalid command-status tags */
   1263       1.91       erh 		if (sc->sc_quirks & UMASS_QUIRK_WRONG_CSWTAG)
   1264       1.91       erh 			USETDW(sc->csw.dCSWTag, UGETDW(sc->cbw.dCBWTag));
   1265       1.28  augustss 
   1266       1.28  augustss 		/* Check CSW and handle any error */
   1267       1.28  augustss 		if (UGETDW(sc->csw.dCSWSignature) != CSWSIGNATURE) {
   1268       1.28  augustss 			/* Invalid CSW: Wrong signature or wrong tag might
   1269       1.28  augustss 			 * indicate that the device is confused -> reset it.
   1270       1.28  augustss 			 */
   1271       1.28  augustss 			printf("%s: Invalid CSW: sig 0x%08x should be 0x%08x\n",
   1272      1.131    dyoung 				device_xname(sc->sc_dev),
   1273       1.28  augustss 				UGETDW(sc->csw.dCSWSignature),
   1274       1.28  augustss 				CSWSIGNATURE);
   1275       1.28  augustss 
   1276       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1277       1.28  augustss 			return;
   1278       1.28  augustss 		} else if (UGETDW(sc->csw.dCSWTag)
   1279       1.28  augustss 				!= UGETDW(sc->cbw.dCBWTag)) {
   1280       1.28  augustss 			printf("%s: Invalid CSW: tag %d should be %d\n",
   1281      1.131    dyoung 				device_xname(sc->sc_dev),
   1282       1.28  augustss 				UGETDW(sc->csw.dCSWTag),
   1283       1.28  augustss 				UGETDW(sc->cbw.dCBWTag));
   1284       1.28  augustss 
   1285       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1286       1.28  augustss 			return;
   1287       1.28  augustss 
   1288       1.28  augustss 		/* CSW is valid here */
   1289       1.28  augustss 		} else if (sc->csw.bCSWStatus > CSWSTATUS_PHASE) {
   1290       1.28  augustss 			printf("%s: Invalid CSW: status %d > %d\n",
   1291      1.131    dyoung 				device_xname(sc->sc_dev),
   1292       1.28  augustss 				sc->csw.bCSWStatus,
   1293       1.28  augustss 				CSWSTATUS_PHASE);
   1294       1.28  augustss 
   1295       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1296       1.28  augustss 			return;
   1297       1.28  augustss 		} else if (sc->csw.bCSWStatus == CSWSTATUS_PHASE) {
   1298       1.28  augustss 			printf("%s: Phase Error, residue = %d\n",
   1299      1.135        is 				device_xname(sc->sc_dev), residue);
   1300       1.88  augustss 
   1301       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1302       1.28  augustss 			return;
   1303       1.28  augustss 
   1304       1.28  augustss 		} else if (sc->transfer_actlen > sc->transfer_datalen) {
   1305       1.28  augustss 			/* Buffer overrun! Don't let this go by unnoticed */
   1306      1.147     skrll 			panic("%s: transferred %s %d bytes instead of %d bytes",
   1307      1.147     skrll 			    device_xname(sc->sc_dev),
   1308      1.147     skrll 			    sc->transfer_dir == DIR_IN ? "IN" : "OUT",
   1309      1.147     skrll 			    sc->transfer_actlen, sc->transfer_datalen);
   1310       1.62  augustss #if 0
   1311       1.28  augustss 		} else if (sc->transfer_datalen - sc->transfer_actlen
   1312      1.135        is 			   != residue) {
   1313       1.28  augustss 			DPRINTF(UDMASS_BBB, ("%s: actlen=%d != residue=%d\n",
   1314      1.131    dyoung 				device_xname(sc->sc_dev),
   1315       1.28  augustss 				sc->transfer_datalen - sc->transfer_actlen,
   1316      1.135        is 				residue));
   1317       1.28  augustss 
   1318       1.28  augustss 			umass_bbb_reset(sc, STATUS_WIRE_FAILED);
   1319       1.28  augustss 			return;
   1320       1.62  augustss #endif
   1321       1.28  augustss 		} else if (sc->csw.bCSWStatus == CSWSTATUS_FAILED) {
   1322       1.28  augustss 			DPRINTF(UDMASS_BBB, ("%s: Command Failed, res = %d\n",
   1323      1.135        is 				device_xname(sc->sc_dev), residue));
   1324       1.28  augustss 
   1325       1.28  augustss 			/* SCSI command failed but transfer was succesful */
   1326       1.28  augustss 			sc->transfer_state = TSTATE_IDLE;
   1327      1.135        is 			sc->transfer_cb(sc, sc->transfer_priv, residue,
   1328       1.28  augustss 					STATUS_CMD_FAILED);
   1329       1.28  augustss 
   1330       1.28  augustss 			return;
   1331       1.28  augustss 
   1332       1.28  augustss 		} else {	/* success */
   1333       1.28  augustss 			sc->transfer_state = TSTATE_IDLE;
   1334      1.135        is 			sc->transfer_cb(sc, sc->transfer_priv, residue,
   1335       1.28  augustss 					STATUS_CMD_OK);
   1336       1.28  augustss 
   1337       1.28  augustss 			return;
   1338        1.1   thorpej 		}
   1339        1.1   thorpej 
   1340       1.28  augustss 	/***** Bulk Reset *****/
   1341       1.28  augustss 	case TSTATE_BBB_RESET1:
   1342       1.28  augustss 		if (err)
   1343       1.28  augustss 			printf("%s: BBB reset failed, %s\n",
   1344      1.131    dyoung 				device_xname(sc->sc_dev), usbd_errstr(err));
   1345       1.28  augustss 
   1346       1.70   gehenna 		sc->transfer_state = TSTATE_BBB_RESET2;
   1347       1.73   gehenna 		umass_clear_endpoint_stall(sc, UMASS_BULKIN,
   1348       1.28  augustss 			sc->transfer_xfer[XFER_BBB_RESET2]);
   1349       1.28  augustss 
   1350       1.28  augustss 		return;
   1351       1.28  augustss 	case TSTATE_BBB_RESET2:
   1352       1.28  augustss 		if (err)	/* should not occur */
   1353       1.28  augustss 			printf("%s: BBB bulk-in clear stall failed, %s\n",
   1354      1.131    dyoung 			       device_xname(sc->sc_dev), usbd_errstr(err));
   1355       1.28  augustss 			/* no error recovery, otherwise we end up in a loop */
   1356       1.28  augustss 
   1357       1.70   gehenna 		sc->transfer_state = TSTATE_BBB_RESET3;
   1358       1.73   gehenna 		umass_clear_endpoint_stall(sc, UMASS_BULKOUT,
   1359       1.28  augustss 			sc->transfer_xfer[XFER_BBB_RESET3]);
   1360       1.28  augustss 
   1361       1.28  augustss 		return;
   1362       1.28  augustss 	case TSTATE_BBB_RESET3:
   1363       1.28  augustss 		if (err)	/* should not occur */
   1364       1.28  augustss 			printf("%s: BBB bulk-out clear stall failed, %s\n",
   1365      1.131    dyoung 			       device_xname(sc->sc_dev), usbd_errstr(err));
   1366       1.28  augustss 			/* no error recovery, otherwise we end up in a loop */
   1367       1.28  augustss 
   1368       1.28  augustss 		sc->transfer_state = TSTATE_IDLE;
   1369       1.28  augustss 		if (sc->transfer_priv) {
   1370       1.28  augustss 			sc->transfer_cb(sc, sc->transfer_priv,
   1371       1.28  augustss 					sc->transfer_datalen,
   1372       1.28  augustss 					sc->transfer_status);
   1373       1.28  augustss 		}
   1374        1.1   thorpej 
   1375       1.28  augustss 		return;
   1376        1.1   thorpej 
   1377       1.28  augustss 	/***** Default *****/
   1378       1.28  augustss 	default:
   1379       1.89    provos 		panic("%s: Unknown state %d",
   1380      1.131    dyoung 		      device_xname(sc->sc_dev), sc->transfer_state);
   1381       1.28  augustss 	}
   1382        1.1   thorpej }
   1383        1.1   thorpej 
   1384        1.1   thorpej /*
   1385       1.28  augustss  * Command/Bulk/Interrupt (CBI) specific functions
   1386        1.1   thorpej  */
   1387        1.1   thorpej 
   1388       1.28  augustss Static int
   1389      1.143       mrg umass_cbi_adsc(struct umass_softc *sc, char *buffer, int buflen, int flags,
   1390       1.28  augustss 	       usbd_xfer_handle xfer)
   1391        1.1   thorpej {
   1392      1.142       mrg 	KASSERTMSG(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I),
   1393      1.142       mrg 		   "sc->sc_wire == 0x%02x wrong for umass_cbi_adsc\n",
   1394      1.142       mrg 		   sc->sc_wire);
   1395       1.78   gehenna 
   1396      1.123  christos 	if ((sc->sc_cmd == UMASS_CPROTO_RBC) &&
   1397      1.123  christos 	    (sc->sc_quirks & UMASS_QUIRK_RBC_PAD_TO_12) != 0 && buflen < 12) {
   1398      1.123  christos 		(void)memset(buffer + buflen, 0, 12 - buflen);
   1399      1.123  christos 		buflen = 12;
   1400      1.123  christos 	}
   1401      1.123  christos 
   1402       1.78   gehenna 	sc->sc_req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
   1403       1.78   gehenna 	sc->sc_req.bRequest = UR_CBI_ADSC;
   1404       1.78   gehenna 	USETW(sc->sc_req.wValue, 0);
   1405       1.78   gehenna 	USETW(sc->sc_req.wIndex, sc->sc_ifaceno);
   1406       1.78   gehenna 	USETW(sc->sc_req.wLength, buflen);
   1407       1.78   gehenna 	return umass_setup_ctrl_transfer(sc, &sc->sc_req, buffer,
   1408      1.143       mrg 					 buflen, flags, xfer);
   1409       1.28  augustss }
   1410       1.28  augustss 
   1411        1.1   thorpej 
   1412       1.28  augustss Static void
   1413       1.28  augustss umass_cbi_reset(struct umass_softc *sc, int status)
   1414       1.28  augustss {
   1415       1.28  augustss 	int i;
   1416       1.28  augustss #	define SEND_DIAGNOSTIC_CMDLEN	12
   1417        1.1   thorpej 
   1418      1.142       mrg 	KASSERTMSG(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I),
   1419      1.142       mrg 		   "sc->sc_wire == 0x%02x wrong for umass_cbi_reset\n",
   1420      1.142       mrg 		   sc->sc_wire);
   1421       1.15   thorpej 
   1422       1.28  augustss 	if (sc->sc_dying)
   1423       1.28  augustss 		return;
   1424       1.28  augustss 
   1425       1.28  augustss 	/*
   1426       1.28  augustss 	 * Command Block Reset Protocol
   1427       1.88  augustss 	 *
   1428       1.28  augustss 	 * First send a reset request to the device. Then clear
   1429       1.28  augustss 	 * any possibly stalled bulk endpoints.
   1430       1.28  augustss 
   1431       1.28  augustss 	 * This is done in 3 steps, states:
   1432       1.28  augustss 	 * TSTATE_CBI_RESET1
   1433       1.28  augustss 	 * TSTATE_CBI_RESET2
   1434       1.28  augustss 	 * TSTATE_CBI_RESET3
   1435       1.28  augustss 	 *
   1436       1.28  augustss 	 * If the reset doesn't succeed, the device should be port reset.
   1437       1.28  augustss 	 */
   1438       1.28  augustss 
   1439       1.28  augustss 	DPRINTF(UDMASS_CBI, ("%s: CBI Reset\n",
   1440      1.131    dyoung 		device_xname(sc->sc_dev)));
   1441       1.88  augustss 
   1442      1.142       mrg 	/* CTASSERT */
   1443      1.142       mrg 	KASSERTMSG(sizeof(sc->cbl) >= SEND_DIAGNOSTIC_CMDLEN,
   1444      1.142       mrg 		   "%s: CBL struct is too small (%zu < %u)\n",
   1445      1.131    dyoung 			device_xname(sc->sc_dev),
   1446      1.142       mrg 			sizeof(sc->cbl), SEND_DIAGNOSTIC_CMDLEN);
   1447       1.28  augustss 
   1448       1.28  augustss 	sc->transfer_state = TSTATE_CBI_RESET1;
   1449       1.28  augustss 	sc->transfer_status = status;
   1450       1.28  augustss 
   1451       1.28  augustss 	/* The 0x1d code is the SEND DIAGNOSTIC command. To distingiush between
   1452       1.28  augustss 	 * the two the last 10 bytes of the cbl is filled with 0xff (section
   1453       1.28  augustss 	 * 2.2 of the CBI spec).
   1454       1.28  augustss 	 */
   1455       1.28  augustss 	sc->cbl[0] = 0x1d;	/* Command Block Reset */
   1456       1.28  augustss 	sc->cbl[1] = 0x04;
   1457       1.28  augustss 	for (i = 2; i < SEND_DIAGNOSTIC_CMDLEN; i++)
   1458       1.28  augustss 		sc->cbl[i] = 0xff;
   1459       1.28  augustss 
   1460      1.143       mrg 	umass_cbi_adsc(sc, sc->cbl, SEND_DIAGNOSTIC_CMDLEN, 0,
   1461       1.28  augustss 		       sc->transfer_xfer[XFER_CBI_RESET1]);
   1462       1.28  augustss 	/* XXX if the command fails we should reset the port on the bub */
   1463       1.28  augustss }
   1464       1.28  augustss 
   1465       1.28  augustss Static void
   1466      1.122  christos umass_cbi_transfer(struct umass_softc *sc, int lun,
   1467       1.67  augustss 		   void *cmd, int cmdlen, void *data, int datalen, int dir,
   1468      1.143       mrg 		   u_int timeout, int flags, umass_callback cb, void *priv)
   1469       1.28  augustss {
   1470       1.28  augustss 	DPRINTF(UDMASS_CBI,("%s: umass_cbi_transfer cmd=0x%02x, len=%d\n",
   1471      1.131    dyoung 		device_xname(sc->sc_dev), *(u_char *)cmd, datalen));
   1472       1.28  augustss 
   1473      1.142       mrg 	KASSERTMSG(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I),
   1474      1.142       mrg 		   "sc->sc_wire == 0x%02x wrong for umass_cbi_transfer\n",
   1475      1.142       mrg 		   sc->sc_wire);
   1476       1.28  augustss 
   1477       1.28  augustss 	if (sc->sc_dying)
   1478       1.28  augustss 		return;
   1479       1.67  augustss 
   1480       1.67  augustss 	/* Be a little generous. */
   1481       1.67  augustss 	sc->timeout = timeout + USBD_DEFAULT_TIMEOUT;
   1482       1.28  augustss 
   1483       1.28  augustss 	/*
   1484       1.28  augustss 	 * Do a CBI transfer with cmdlen bytes from cmd, possibly
   1485       1.28  augustss 	 * a data phase of datalen bytes from/to the device and finally a
   1486       1.28  augustss 	 * csw read phase.
   1487       1.28  augustss 	 * If the data direction was inbound a maximum of datalen bytes
   1488       1.28  augustss 	 * is stored in the buffer pointed to by data.
   1489       1.28  augustss 	 *
   1490       1.28  augustss 	 * umass_cbi_transfer initialises the transfer and lets the state
   1491       1.88  augustss 	 * machine in umass_cbi_state handle the completion. It uses the
   1492       1.28  augustss 	 * following states:
   1493       1.28  augustss 	 * TSTATE_CBI_COMMAND
   1494       1.28  augustss 	 *   -> XXX fill in
   1495       1.28  augustss 	 *
   1496       1.28  augustss 	 * An error in any of those states will invoke
   1497       1.28  augustss 	 * umass_cbi_reset.
   1498       1.28  augustss 	 */
   1499       1.28  augustss 
   1500       1.28  augustss 	/* check the given arguments */
   1501      1.142       mrg 	KASSERTMSG(datalen == 0 || data != NULL,
   1502      1.142       mrg 		   "%s: datalen > 0, but no buffer",device_xname(sc->sc_dev));
   1503      1.142       mrg 	KASSERTMSG(datalen == 0 || dir != DIR_NONE,
   1504      1.142       mrg 		   "%s: direction is NONE while datalen is not zero\n",
   1505      1.142       mrg 			device_xname(sc->sc_dev));
   1506       1.28  augustss 
   1507       1.28  augustss 	/* store the details for the data transfer phase */
   1508       1.28  augustss 	sc->transfer_dir = dir;
   1509       1.28  augustss 	sc->transfer_data = data;
   1510       1.28  augustss 	sc->transfer_datalen = datalen;
   1511       1.28  augustss 	sc->transfer_actlen = 0;
   1512       1.28  augustss 	sc->transfer_cb = cb;
   1513       1.28  augustss 	sc->transfer_priv = priv;
   1514       1.28  augustss 	sc->transfer_status = STATUS_CMD_OK;
   1515       1.28  augustss 
   1516       1.28  augustss 	/* move from idle to the command state */
   1517       1.28  augustss 	sc->transfer_state = TSTATE_CBI_COMMAND;
   1518       1.28  augustss 
   1519       1.28  augustss 	/* Send the Command Block from host to device via control endpoint. */
   1520      1.143       mrg 	if (umass_cbi_adsc(sc, cmd, cmdlen, flags, sc->transfer_xfer[XFER_CBI_CB]))
   1521       1.28  augustss 		umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1522       1.28  augustss }
   1523       1.28  augustss 
   1524       1.28  augustss Static void
   1525       1.28  augustss umass_cbi_state(usbd_xfer_handle xfer, usbd_private_handle priv,
   1526       1.28  augustss 		usbd_status err)
   1527       1.28  augustss {
   1528       1.28  augustss 	struct umass_softc *sc = (struct umass_softc *) priv;
   1529       1.28  augustss 
   1530      1.142       mrg 	KASSERTMSG(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I),
   1531      1.142       mrg 		   "sc->sc_wire == 0x%02x wrong for umass_cbi_state\n",
   1532      1.142       mrg 		   sc->sc_wire);
   1533       1.28  augustss 
   1534       1.28  augustss 	if (sc->sc_dying)
   1535       1.28  augustss 		return;
   1536       1.28  augustss 
   1537       1.28  augustss 	/*
   1538       1.28  augustss 	 * State handling for CBI transfers.
   1539       1.28  augustss 	 */
   1540       1.28  augustss 
   1541       1.28  augustss 	DPRINTF(UDMASS_CBI, ("%s: Handling CBI state %d (%s), xfer=%p, %s\n",
   1542      1.131    dyoung 		device_xname(sc->sc_dev), sc->transfer_state,
   1543       1.28  augustss 		states[sc->transfer_state], xfer, usbd_errstr(err)));
   1544       1.28  augustss 
   1545       1.28  augustss 	switch (sc->transfer_state) {
   1546       1.28  augustss 
   1547       1.28  augustss 	/***** CBI Transfer *****/
   1548       1.28  augustss 	case TSTATE_CBI_COMMAND:
   1549       1.28  augustss 		if (err == USBD_STALLED) {
   1550       1.28  augustss 			DPRINTF(UDMASS_CBI, ("%s: Command Transport failed\n",
   1551      1.131    dyoung 				device_xname(sc->sc_dev)));
   1552       1.28  augustss 			/* Status transport by control pipe (section 2.3.2.1).
   1553       1.28  augustss 			 * The command contained in the command block failed.
   1554       1.28  augustss 			 *
   1555       1.28  augustss 			 * The control pipe has already been unstalled by the
   1556       1.28  augustss 			 * USB stack.
   1557       1.28  augustss 			 * Section 2.4.3.1.1 states that the bulk in endpoints
   1558       1.28  augustss 			 * should not stalled at this point.
   1559       1.28  augustss 			 */
   1560       1.28  augustss 
   1561       1.28  augustss 			sc->transfer_state = TSTATE_IDLE;
   1562       1.28  augustss 			sc->transfer_cb(sc, sc->transfer_priv,
   1563       1.28  augustss 					sc->transfer_datalen,
   1564       1.28  augustss 					STATUS_CMD_FAILED);
   1565       1.28  augustss 
   1566       1.28  augustss 			return;
   1567       1.28  augustss 		} else if (err) {
   1568       1.28  augustss 			DPRINTF(UDMASS_CBI, ("%s: failed to send ADSC\n",
   1569      1.131    dyoung 				device_xname(sc->sc_dev)));
   1570       1.28  augustss 			umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1571       1.28  augustss 			return;
   1572       1.28  augustss 		}
   1573       1.88  augustss 
   1574      1.103   mycroft 		/* Data transport phase, setup transfer */
   1575       1.28  augustss 		sc->transfer_state = TSTATE_CBI_DATA;
   1576       1.28  augustss 		if (sc->transfer_dir == DIR_IN) {
   1577       1.73   gehenna 			if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKIN],
   1578      1.114   mycroft 					sc->data_buffer, sc->transfer_datalen,
   1579  1.149.2.2     skrll 					USBD_SHORT_XFER_OK,
   1580       1.28  augustss 					sc->transfer_xfer[XFER_CBI_DATA]))
   1581       1.28  augustss 				umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1582       1.28  augustss 
   1583      1.103   mycroft 			return;
   1584       1.28  augustss 		} else if (sc->transfer_dir == DIR_OUT) {
   1585       1.88  augustss 			memcpy(sc->data_buffer, sc->transfer_data,
   1586       1.28  augustss 			       sc->transfer_datalen);
   1587       1.73   gehenna 			if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKOUT],
   1588      1.114   mycroft 					sc->data_buffer, sc->transfer_datalen,
   1589  1.149.2.2     skrll 					0,/* fixed length transfer */
   1590       1.28  augustss 					sc->transfer_xfer[XFER_CBI_DATA]))
   1591       1.28  augustss 				umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1592       1.28  augustss 
   1593      1.103   mycroft 			return;
   1594       1.28  augustss 		} else {
   1595       1.28  augustss 			DPRINTF(UDMASS_CBI, ("%s: no data phase\n",
   1596      1.131    dyoung 				device_xname(sc->sc_dev)));
   1597       1.28  augustss 		}
   1598       1.28  augustss 
   1599      1.103   mycroft 		/* FALLTHROUGH if no data phase, err == 0 */
   1600       1.28  augustss 	case TSTATE_CBI_DATA:
   1601      1.103   mycroft 		/* Command transport phase error handling (ignored if no data
   1602      1.103   mycroft 		 * phase (fallthrough from previous state)) */
   1603      1.103   mycroft 		if (sc->transfer_dir != DIR_NONE) {
   1604      1.103   mycroft 			/* retrieve the length of the transfer that was done */
   1605      1.103   mycroft 			usbd_get_xfer_status(xfer, NULL, NULL,
   1606      1.103   mycroft 			    &sc->transfer_actlen, NULL);
   1607      1.103   mycroft 			DPRINTF(UDMASS_CBI, ("%s: CBI_DATA actlen=%d\n",
   1608      1.131    dyoung 				device_xname(sc->sc_dev), sc->transfer_actlen));
   1609       1.28  augustss 
   1610      1.103   mycroft 			if (err) {
   1611      1.103   mycroft 				DPRINTF(UDMASS_CBI, ("%s: Data-%s %d failed, "
   1612      1.131    dyoung 					"%s\n", device_xname(sc->sc_dev),
   1613      1.103   mycroft 					(sc->transfer_dir == DIR_IN?"in":"out"),
   1614      1.103   mycroft 					sc->transfer_datalen,usbd_errstr(err)));
   1615       1.28  augustss 
   1616      1.103   mycroft 				if (err == USBD_STALLED) {
   1617      1.103   mycroft 					sc->transfer_state = TSTATE_CBI_DCLEAR;
   1618      1.103   mycroft 					umass_clear_endpoint_stall(sc,
   1619      1.103   mycroft 					  (sc->transfer_dir == DIR_IN?
   1620      1.103   mycroft 					    UMASS_BULKIN:UMASS_BULKOUT),
   1621       1.28  augustss 					sc->transfer_xfer[XFER_CBI_DCLEAR]);
   1622      1.103   mycroft 				} else {
   1623      1.103   mycroft 					/* Unless the error is a pipe stall the
   1624      1.103   mycroft 					 * error is fatal.
   1625      1.103   mycroft 					 */
   1626      1.103   mycroft 					umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1627      1.103   mycroft 				}
   1628      1.103   mycroft 				return;
   1629       1.28  augustss 			}
   1630       1.28  augustss 		}
   1631       1.28  augustss 
   1632       1.28  augustss 		if (sc->transfer_dir == DIR_IN)
   1633       1.28  augustss 			memcpy(sc->transfer_data, sc->data_buffer,
   1634       1.28  augustss 			       sc->transfer_actlen);
   1635       1.28  augustss 
   1636       1.28  augustss 		DIF(UDMASS_CBI, if (sc->transfer_dir == DIR_IN)
   1637       1.28  augustss 					umass_dump_buffer(sc, sc->transfer_data,
   1638       1.28  augustss 						sc->transfer_actlen, 48));
   1639       1.28  augustss 
   1640      1.103   mycroft 		/* Status phase */
   1641       1.78   gehenna 		if (sc->sc_wire == UMASS_WPROTO_CBI_I) {
   1642       1.28  augustss 			sc->transfer_state = TSTATE_CBI_STATUS;
   1643       1.28  augustss 			memset(&sc->sbl, 0, sizeof(sc->sbl));
   1644       1.73   gehenna 			if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_INTRIN],
   1645       1.28  augustss 				    &sc->sbl, sizeof(sc->sbl),
   1646       1.28  augustss 				    0,	/* fixed length transfer */
   1647      1.100   mycroft 				    sc->transfer_xfer[XFER_CBI_STATUS]))
   1648       1.28  augustss 				umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1649       1.28  augustss 		} else {
   1650       1.28  augustss 			/* No command completion interrupt. Request
   1651       1.28  augustss 			 * sense to get status of command.
   1652       1.28  augustss 			 */
   1653       1.28  augustss 			sc->transfer_state = TSTATE_IDLE;
   1654       1.28  augustss 			sc->transfer_cb(sc, sc->transfer_priv,
   1655       1.28  augustss 				sc->transfer_datalen - sc->transfer_actlen,
   1656       1.28  augustss 				STATUS_CMD_UNKNOWN);
   1657       1.28  augustss 		}
   1658       1.28  augustss 		return;
   1659       1.28  augustss 
   1660       1.28  augustss 	case TSTATE_CBI_STATUS:
   1661       1.28  augustss 		if (err) {
   1662       1.28  augustss 			DPRINTF(UDMASS_CBI, ("%s: Status Transport failed\n",
   1663      1.131    dyoung 				device_xname(sc->sc_dev)));
   1664       1.28  augustss 			/* Status transport by interrupt pipe (section 2.3.2.2).
   1665       1.28  augustss 			 */
   1666       1.28  augustss 
   1667       1.28  augustss 			if (err == USBD_STALLED) {
   1668       1.70   gehenna 				sc->transfer_state = TSTATE_CBI_SCLEAR;
   1669       1.73   gehenna 				umass_clear_endpoint_stall(sc, UMASS_INTRIN,
   1670       1.28  augustss 					sc->transfer_xfer[XFER_CBI_SCLEAR]);
   1671       1.28  augustss 			} else {
   1672       1.28  augustss 				umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1673       1.28  augustss 			}
   1674       1.28  augustss 			return;
   1675       1.28  augustss 		}
   1676       1.28  augustss 
   1677       1.28  augustss 		/* Dissect the information in the buffer */
   1678       1.28  augustss 
   1679      1.100   mycroft 		{
   1680  1.149.2.1     skrll 			uint32_t actlen;
   1681      1.100   mycroft 			usbd_get_xfer_status(xfer,NULL,NULL,&actlen,NULL);
   1682      1.100   mycroft 			DPRINTF(UDMASS_CBI, ("%s: CBI_STATUS actlen=%d\n",
   1683      1.131    dyoung 				device_xname(sc->sc_dev), actlen));
   1684      1.100   mycroft 			if (actlen != 2)
   1685      1.100   mycroft 				break;
   1686      1.100   mycroft 		}
   1687      1.100   mycroft 
   1688       1.78   gehenna 		if (sc->sc_cmd == UMASS_CPROTO_UFI) {
   1689       1.28  augustss 			int status;
   1690       1.88  augustss 
   1691       1.28  augustss 			/* Section 3.4.3.1.3 specifies that the UFI command
   1692       1.28  augustss 			 * protocol returns an ASC and ASCQ in the interrupt
   1693       1.28  augustss 			 * data block.
   1694       1.28  augustss 			 */
   1695       1.28  augustss 
   1696       1.28  augustss 			DPRINTF(UDMASS_CBI, ("%s: UFI CCI, ASC = 0x%02x, "
   1697       1.28  augustss 				"ASCQ = 0x%02x\n",
   1698      1.131    dyoung 				device_xname(sc->sc_dev),
   1699       1.28  augustss 				sc->sbl.ufi.asc, sc->sbl.ufi.ascq));
   1700       1.28  augustss 
   1701      1.100   mycroft 			if ((sc->sbl.ufi.asc == 0 && sc->sbl.ufi.ascq == 0) ||
   1702      1.100   mycroft 			    sc->sc_sense)
   1703       1.28  augustss 				status = STATUS_CMD_OK;
   1704       1.28  augustss 			else
   1705       1.28  augustss 				status = STATUS_CMD_FAILED;
   1706       1.28  augustss 
   1707      1.100   mycroft 			/* No autosense, command successful */
   1708      1.100   mycroft 			sc->transfer_state = TSTATE_IDLE;
   1709      1.100   mycroft 			sc->transfer_cb(sc, sc->transfer_priv,
   1710      1.100   mycroft 			    sc->transfer_datalen - sc->transfer_actlen, status);
   1711       1.28  augustss 		} else {
   1712      1.100   mycroft 			int status;
   1713      1.100   mycroft 
   1714       1.28  augustss 			/* Command Interrupt Data Block */
   1715      1.100   mycroft 
   1716       1.28  augustss 			DPRINTF(UDMASS_CBI, ("%s: type=0x%02x, value=0x%02x\n",
   1717      1.131    dyoung 				device_xname(sc->sc_dev),
   1718       1.28  augustss 				sc->sbl.common.type, sc->sbl.common.value));
   1719       1.28  augustss 
   1720       1.28  augustss 			if (sc->sbl.common.type == IDB_TYPE_CCI) {
   1721      1.100   mycroft 				switch (sc->sbl.common.value & IDB_VALUE_STATUS_MASK) {
   1722      1.100   mycroft 				case IDB_VALUE_PASS:
   1723      1.100   mycroft 					status = STATUS_CMD_OK;
   1724      1.100   mycroft 					break;
   1725      1.100   mycroft 				case IDB_VALUE_FAIL:
   1726      1.100   mycroft 				case IDB_VALUE_PERSISTENT:
   1727      1.100   mycroft 					status = STATUS_CMD_FAILED;
   1728      1.100   mycroft 					break;
   1729      1.100   mycroft 				case IDB_VALUE_PHASE:
   1730      1.107   mycroft 				default: /* XXX: gcc */
   1731      1.100   mycroft 					status = STATUS_WIRE_FAILED;
   1732      1.100   mycroft 					break;
   1733       1.28  augustss 				}
   1734       1.28  augustss 
   1735       1.28  augustss 				sc->transfer_state = TSTATE_IDLE;
   1736       1.28  augustss 				sc->transfer_cb(sc, sc->transfer_priv,
   1737      1.100   mycroft 				    sc->transfer_datalen - sc->transfer_actlen, status);
   1738       1.28  augustss 			}
   1739       1.28  augustss 		}
   1740       1.28  augustss 		return;
   1741       1.28  augustss 
   1742       1.28  augustss 	case TSTATE_CBI_DCLEAR:
   1743      1.113   mycroft 		if (err) {	/* should not occur */
   1744      1.103   mycroft 			printf("%s: CBI bulk-%s stall clear failed, %s\n",
   1745      1.131    dyoung 			    device_xname(sc->sc_dev),
   1746      1.103   mycroft 			    (sc->transfer_dir == DIR_IN? "in":"out"),
   1747      1.103   mycroft 			    usbd_errstr(err));
   1748      1.113   mycroft 			umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1749      1.115   mycroft 		} else {
   1750      1.115   mycroft 			sc->transfer_state = TSTATE_IDLE;
   1751      1.115   mycroft 			sc->transfer_cb(sc, sc->transfer_priv,
   1752      1.115   mycroft 			    sc->transfer_datalen, STATUS_CMD_FAILED);
   1753      1.115   mycroft 		}
   1754       1.28  augustss 		return;
   1755       1.28  augustss 
   1756       1.28  augustss 	case TSTATE_CBI_SCLEAR:
   1757      1.113   mycroft 		if (err) {	/* should not occur */
   1758       1.28  augustss 			printf("%s: CBI intr-in stall clear failed, %s\n",
   1759      1.131    dyoung 			       device_xname(sc->sc_dev), usbd_errstr(err));
   1760      1.113   mycroft 			umass_cbi_reset(sc, STATUS_WIRE_FAILED);
   1761      1.115   mycroft 		} else {
   1762      1.115   mycroft 			sc->transfer_state = TSTATE_IDLE;
   1763      1.115   mycroft 			sc->transfer_cb(sc, sc->transfer_priv,
   1764      1.115   mycroft 			    sc->transfer_datalen, STATUS_CMD_FAILED);
   1765      1.115   mycroft 		}
   1766       1.28  augustss 		return;
   1767       1.28  augustss 
   1768       1.28  augustss 	/***** CBI Reset *****/
   1769       1.28  augustss 	case TSTATE_CBI_RESET1:
   1770       1.28  augustss 		if (err)
   1771       1.28  augustss 			printf("%s: CBI reset failed, %s\n",
   1772      1.131    dyoung 				device_xname(sc->sc_dev), usbd_errstr(err));
   1773       1.28  augustss 
   1774       1.70   gehenna 		sc->transfer_state = TSTATE_CBI_RESET2;
   1775       1.73   gehenna 		umass_clear_endpoint_stall(sc, UMASS_BULKIN,
   1776       1.28  augustss 			sc->transfer_xfer[XFER_CBI_RESET2]);
   1777       1.28  augustss 
   1778       1.28  augustss 		return;
   1779       1.28  augustss 	case TSTATE_CBI_RESET2:
   1780       1.28  augustss 		if (err)	/* should not occur */
   1781       1.28  augustss 			printf("%s: CBI bulk-in stall clear failed, %s\n",
   1782      1.131    dyoung 			       device_xname(sc->sc_dev), usbd_errstr(err));
   1783       1.28  augustss 			/* no error recovery, otherwise we end up in a loop */
   1784       1.28  augustss 
   1785       1.70   gehenna 		sc->transfer_state = TSTATE_CBI_RESET3;
   1786       1.73   gehenna 		umass_clear_endpoint_stall(sc, UMASS_BULKOUT,
   1787       1.28  augustss 			sc->transfer_xfer[XFER_CBI_RESET3]);
   1788       1.28  augustss 
   1789       1.28  augustss 		return;
   1790       1.28  augustss 	case TSTATE_CBI_RESET3:
   1791       1.28  augustss 		if (err)	/* should not occur */
   1792       1.28  augustss 			printf("%s: CBI bulk-out stall clear failed, %s\n",
   1793      1.131    dyoung 			       device_xname(sc->sc_dev), usbd_errstr(err));
   1794       1.28  augustss 			/* no error recovery, otherwise we end up in a loop */
   1795       1.28  augustss 
   1796       1.28  augustss 		sc->transfer_state = TSTATE_IDLE;
   1797       1.28  augustss 		if (sc->transfer_priv) {
   1798       1.28  augustss 			sc->transfer_cb(sc, sc->transfer_priv,
   1799       1.28  augustss 					sc->transfer_datalen,
   1800       1.28  augustss 					sc->transfer_status);
   1801       1.28  augustss 		}
   1802       1.28  augustss 
   1803       1.28  augustss 		return;
   1804       1.28  augustss 
   1805       1.28  augustss 
   1806       1.28  augustss 	/***** Default *****/
   1807       1.28  augustss 	default:
   1808       1.89    provos 		panic("%s: Unknown state %d",
   1809      1.131    dyoung 		      device_xname(sc->sc_dev), sc->transfer_state);
   1810       1.28  augustss 	}
   1811       1.28  augustss }
   1812       1.28  augustss 
   1813       1.28  augustss usbd_status
   1814  1.149.2.1     skrll umass_bbb_get_max_lun(struct umass_softc *sc, uint8_t *maxlun)
   1815       1.28  augustss {
   1816       1.28  augustss 	usb_device_request_t req;
   1817       1.28  augustss 	usbd_status err;
   1818       1.28  augustss 
   1819       1.28  augustss 	*maxlun = 0;		/* Default to 0. */
   1820       1.28  augustss 
   1821      1.131    dyoung 	DPRINTF(UDMASS_BBB, ("%s: Get Max Lun\n", device_xname(sc->sc_dev)));
   1822       1.28  augustss 
   1823       1.28  augustss 	/* The Get Max Lun command is a class-specific request. */
   1824       1.28  augustss 	req.bmRequestType = UT_READ_CLASS_INTERFACE;
   1825       1.28  augustss 	req.bRequest = UR_BBB_GET_MAX_LUN;
   1826       1.28  augustss 	USETW(req.wValue, 0);
   1827       1.76   gehenna 	USETW(req.wIndex, sc->sc_ifaceno);
   1828       1.28  augustss 	USETW(req.wLength, 1);
   1829       1.28  augustss 
   1830       1.97   mycroft 	err = usbd_do_request_flags(sc->sc_udev, &req, maxlun,
   1831       1.97   mycroft 	    USBD_SHORT_XFER_OK, 0, USBD_DEFAULT_TIMEOUT);
   1832       1.28  augustss 	switch (err) {
   1833       1.28  augustss 	case USBD_NORMAL_COMPLETION:
   1834       1.28  augustss 		DPRINTF(UDMASS_BBB, ("%s: Max Lun %d\n",
   1835      1.131    dyoung 		    device_xname(sc->sc_dev), *maxlun));
   1836       1.28  augustss 		break;
   1837       1.28  augustss 
   1838       1.28  augustss 	case USBD_STALLED:
   1839       1.28  augustss 		/*
   1840       1.28  augustss 		 * Device doesn't support Get Max Lun request.
   1841       1.28  augustss 		 */
   1842       1.28  augustss 		err = USBD_NORMAL_COMPLETION;
   1843       1.28  augustss 		DPRINTF(UDMASS_BBB, ("%s: Get Max Lun not supported\n",
   1844      1.131    dyoung 		    device_xname(sc->sc_dev)));
   1845       1.28  augustss 		break;
   1846       1.28  augustss 
   1847       1.28  augustss 	case USBD_SHORT_XFER:
   1848       1.28  augustss 		/*
   1849       1.28  augustss 		 * XXX This must mean Get Max Lun is not supported, too!
   1850       1.28  augustss 		 */
   1851       1.28  augustss 		err = USBD_NORMAL_COMPLETION;
   1852       1.28  augustss 		DPRINTF(UDMASS_BBB, ("%s: Get Max Lun SHORT_XFER\n",
   1853      1.131    dyoung 		    device_xname(sc->sc_dev)));
   1854       1.28  augustss 		break;
   1855       1.28  augustss 
   1856       1.28  augustss 	default:
   1857       1.28  augustss 		printf("%s: Get Max Lun failed: %s\n",
   1858      1.131    dyoung 		    device_xname(sc->sc_dev), usbd_errstr(err));
   1859       1.28  augustss 		/* XXX Should we port_reset the device? */
   1860       1.28  augustss 		break;
   1861       1.28  augustss 	}
   1862       1.28  augustss 
   1863       1.28  augustss 	return (err);
   1864       1.28  augustss }
   1865       1.28  augustss 
   1866       1.28  augustss 
   1867       1.28  augustss 
   1868       1.28  augustss 
   1869       1.28  augustss #ifdef UMASS_DEBUG
   1870       1.28  augustss Static void
   1871       1.28  augustss umass_bbb_dump_cbw(struct umass_softc *sc, umass_bbb_cbw_t *cbw)
   1872       1.28  augustss {
   1873       1.28  augustss 	int clen = cbw->bCDBLength;
   1874       1.28  augustss 	int dlen = UGETDW(cbw->dCBWDataTransferLength);
   1875  1.149.2.1     skrll 	uint8_t *c = cbw->CBWCDB;
   1876       1.28  augustss 	int tag = UGETDW(cbw->dCBWTag);
   1877       1.28  augustss 	int flags = cbw->bCBWFlags;
   1878       1.28  augustss 
   1879       1.83  augustss 	DPRINTF(UDMASS_BBB, ("%s: CBW %d: cmdlen=%d "
   1880       1.83  augustss 		"(0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%s), "
   1881       1.28  augustss 		"data = %d bytes, dir = %s\n",
   1882      1.131    dyoung 		device_xname(sc->sc_dev), tag, clen,
   1883       1.83  augustss 		c[0], c[1], c[2], c[3], c[4], c[5],
   1884       1.83  augustss 		c[6], c[7], c[8], c[9],
   1885       1.83  augustss 		(clen > 10? "...":""),
   1886       1.28  augustss 		dlen, (flags == CBWFLAGS_IN? "in":
   1887       1.28  augustss 		       (flags == CBWFLAGS_OUT? "out":"<invalid>"))));
   1888       1.28  augustss }
   1889       1.28  augustss 
   1890       1.28  augustss Static void
   1891       1.28  augustss umass_bbb_dump_csw(struct umass_softc *sc, umass_bbb_csw_t *csw)
   1892       1.28  augustss {
   1893       1.28  augustss 	int sig = UGETDW(csw->dCSWSignature);
   1894      1.112   mycroft 	int tag = UGETDW(csw->dCSWTag);
   1895       1.28  augustss 	int res = UGETDW(csw->dCSWDataResidue);
   1896       1.28  augustss 	int status = csw->bCSWStatus;
   1897       1.28  augustss 
   1898       1.28  augustss 	DPRINTF(UDMASS_BBB, ("%s: CSW %d: sig = 0x%08x (%s), tag = %d, "
   1899      1.131    dyoung 		"res = %d, status = 0x%02x (%s)\n", device_xname(sc->sc_dev),
   1900       1.28  augustss 		tag, sig, (sig == CSWSIGNATURE?	 "valid":"invalid"),
   1901       1.28  augustss 		tag, res,
   1902       1.28  augustss 		status, (status == CSWSTATUS_GOOD? "good":
   1903       1.28  augustss 			 (status == CSWSTATUS_FAILED? "failed":
   1904       1.28  augustss 			  (status == CSWSTATUS_PHASE? "phase":"<invalid>")))));
   1905       1.28  augustss }
   1906       1.28  augustss 
   1907       1.28  augustss Static void
   1908  1.149.2.1     skrll umass_dump_buffer(struct umass_softc *sc, uint8_t *buffer, int buflen,
   1909       1.28  augustss 		  int printlen)
   1910       1.28  augustss {
   1911       1.28  augustss 	int i, j;
   1912       1.28  augustss 	char s1[40];
   1913       1.28  augustss 	char s2[40];
   1914       1.28  augustss 	char s3[5];
   1915       1.28  augustss 
   1916       1.28  augustss 	s1[0] = '\0';
   1917       1.28  augustss 	s3[0] = '\0';
   1918       1.28  augustss 
   1919      1.110    itojun 	snprintf(s2, sizeof(s2), " buffer=%p, buflen=%d", buffer, buflen);
   1920       1.28  augustss 	for (i = 0; i < buflen && i < printlen; i++) {
   1921       1.28  augustss 		j = i % 16;
   1922       1.28  augustss 		if (j == 0 && i != 0) {
   1923       1.28  augustss 			DPRINTF(UDMASS_GEN, ("%s: 0x %s%s\n",
   1924      1.131    dyoung 				device_xname(sc->sc_dev), s1, s2));
   1925       1.28  augustss 			s2[0] = '\0';
   1926       1.28  augustss 		}
   1927      1.110    itojun 		snprintf(&s1[j * 2], sizeof(s1) - j * 2, "%02x",
   1928      1.110    itojun 		    buffer[i] & 0xff);
   1929       1.28  augustss 	}
   1930       1.28  augustss 	if (buflen > printlen)
   1931      1.110    itojun 		snprintf(s3, sizeof(s3), " ...");
   1932       1.28  augustss 	DPRINTF(UDMASS_GEN, ("%s: 0x %s%s%s\n",
   1933      1.131    dyoung 		device_xname(sc->sc_dev), s1, s2, s3));
   1934       1.28  augustss }
   1935       1.28  augustss #endif
   1936