NetBSD/sys/dev/ieee1394/fwscsi.c

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/* $NetBSD: fwscsi.c,v 1.5 2002/02/27 05:11:27 jmc Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by James Chacon.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
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#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fwscsi.c,v 1.5 2002/02/27 05:11:27 jmc Exp $");
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#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/buf.h>
#include <machine/bus.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/std/ieee1212reg.h>
#include <dev/ieee1394/sbp2reg.h>
#include <dev/ieee1394/ieee1394var.h>
#include <dev/ieee1394/ieee1394reg.h>
/* XXX */
#include <dev/ieee1394/fwnodevar.h>
#include <dev/ieee1394/fwnodereg.h>
static int fwscsi_match(struct device *, struct cfdata *, void *);
static void fwscsi_attach(struct device *, struct device *, void *);
static int fwscsi_detach(struct device *, int);
static void fwscsi_scsipi_request(struct scsipi_channel *, scsipi_adapter_req_t,
void *);
static void fwscsi_scsipi_minphys(struct buf *);
struct sbp2_orb {
TAILQ_ENTRY(sbp2_orb) orb_list;
};
struct fwscsi_softc {
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struct device sc_dev;
struct scsipi_adapter sc_adapter;
struct scsipi_channel sc_channel;
u_int8_t sc_speed;
u_int32_t sc_maxpayload;
u_int64_t sc_csrbase;
u_int64_t sc_mgmtreg;
int sc_loginid;
struct device *sc_bus;
TAILQ_HEAD(, sbp2_orb) sc_orbs;
};
struct cfattach fwscsi_ca = {
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sizeof(struct fwscsi_softc), fwscsi_match, fwscsi_attach, fwscsi_detach
};
static int
fwscsi_match(struct device *parent, struct cfdata *match, void *aux)
{
/*struct p1212_dir **udirs = aux;*/
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return 0;
}
static void
fwscsi_attach(struct device *parent, struct device *self, void *aux)
{
/* struct p1212_dir **udirs = aux;*/
struct ieee1394_softc *psc = (struct ieee1394_softc *)parent;
struct ieee1394_softc *buspsc =
(struct ieee1394_softc *)parent->dv_parent;
struct fwscsi_softc *sc = (struct fwscsi_softc *)self;
/* sc->sc_csrbase = devcap->dev_cmdptr;
sc->sc_loginid = devcap->dev_spec;
sc->sc_mgmtreg = CSR_BASE + ((u_int32_t *)devcap->dev_data)[0] * 4;*/
sc->sc_speed = psc->sc1394_link_speed;
sc->sc_maxpayload = buspsc->sc1394_max_receive - 1;
sc->sc_adapter.adapt_dev = &sc->sc_dev;
sc->sc_adapter.adapt_nchannels = 1;
sc->sc_adapter.adapt_max_periph = 1;
sc->sc_adapter.adapt_request = fwscsi_scsipi_request;
sc->sc_adapter.adapt_minphys = fwscsi_scsipi_minphys;
sc->sc_adapter.adapt_openings = 8;
sc->sc_channel.chan_adapter = &sc->sc_adapter;
sc->sc_channel.chan_bustype = &scsi_bustype;
sc->sc_channel.chan_channel = 0;
sc->sc_channel.chan_flags = SCSIPI_CHAN_CANGROW | SCSIPI_CHAN_NOSETTLE;
sc->sc_channel.chan_ntargets = 2;
sc->sc_channel.chan_nluns = SBP2_MAX_LUNS;
sc->sc_channel.chan_id = 1;
TAILQ_INIT(&sc->sc_orbs);
printf("\n");
sc->sc_bus = config_found(&sc->sc_dev, &sc->sc_channel, scsiprint);
return;
}
static int
fwscsi_detach(struct device *self, int flags)
{
struct fwscsi_softc *sc = (struct fwscsi_softc *)self;
if (sc->sc_bus)
config_detach(sc->sc_bus, 0);
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return 0;
}
static void
fwscsi_scsipi_request(struct scsipi_channel *channel,
scsipi_adapter_req_t req, void *arg)
{
/*struct scsipi_adapter *adapt = channel->chan_adapter;
struct fwscsi_softc *sc = (struct fwscsi_softc *)adapt->adapt_dev;*/
struct scsipi_xfer *xs = arg;
int i;
printf("Called fwscsi_scsipi_request\n");
switch (req) {
case ADAPTER_REQ_RUN_XFER:
xs->error = XS_DRIVER_STUFFUP;
printf("Got req_run_xfer\n");
printf("xs control: 0x%08x, timeout: %d\n", xs->xs_control,
xs->timeout);
printf("opcode: 0x%02x\n", (int)xs->cmd->opcode);
for (i = 0; i < 15; i++)
printf("0x%02x ",(int)xs->cmd->bytes[i]);
printf("\n");
scsipi_done(xs);
break;
case ADAPTER_REQ_GROW_RESOURCES:
printf("Got req_grow_resources\n");
break;
case ADAPTER_REQ_SET_XFER_MODE:
printf("Got set xfer mode\n");
break;
default:
panic("Unknown request: %d\n", (int)req);
}
}
static void
fwscsi_scsipi_minphys(struct buf *buf)
{
if (buf->b_bcount > SBP2_MAX_TRANS)
buf->b_bcount = SBP2_MAX_TRANS;
minphys(buf);
}