945 lines
21 KiB
C
945 lines
21 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 2003 Hidetoshi Shimokawa
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* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the acknowledgement as bellow:
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*
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* This product includes software developed by K. Kobayashi and H. Shimokawa
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*
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/mbuf.h>
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#include <sys/bio.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/conf.h>
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#include <sys/poll.h>
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#include <sys/bus.h>
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#include <sys/ctype.h>
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#include <machine/bus.h>
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#include <sys/ioccom.h>
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#include <dev/firewire/firewire.h>
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#include <dev/firewire/firewirereg.h>
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#include <dev/firewire/fwdma.h>
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#include <dev/firewire/fwmem.h>
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#include <dev/firewire/iec68113.h>
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#define FWNODE_INVAL 0xffff
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static d_open_t fw_open;
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static d_close_t fw_close;
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static d_ioctl_t fw_ioctl;
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static d_poll_t fw_poll;
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static d_read_t fw_read; /* for Isochronous packet */
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static d_write_t fw_write;
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static d_mmap_t fw_mmap;
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static d_strategy_t fw_strategy;
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struct cdevsw firewire_cdevsw = {
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.d_version = D_VERSION,
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.d_open = fw_open,
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.d_close = fw_close,
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.d_read = fw_read,
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.d_write = fw_write,
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.d_ioctl = fw_ioctl,
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.d_poll = fw_poll,
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.d_mmap = fw_mmap,
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.d_strategy = fw_strategy,
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.d_name = "fw",
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};
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struct fw_drv1 {
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struct firewire_comm *fc;
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struct fw_xferq *ir;
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struct fw_xferq *it;
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struct fw_isobufreq bufreq;
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STAILQ_HEAD(, fw_bind) binds;
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STAILQ_HEAD(, fw_xfer) rq;
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};
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static int
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fwdev_allocbuf(struct firewire_comm *fc, struct fw_xferq *q,
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struct fw_bufspec *b)
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{
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int i;
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if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF))
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return (EBUSY);
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q->bulkxfer = malloc(sizeof(struct fw_bulkxfer) * b->nchunk,
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M_FW, M_WAITOK);
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b->psize = roundup2(b->psize, sizeof(uint32_t));
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q->buf = fwdma_malloc_multiseg(fc, sizeof(uint32_t),
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b->psize, b->nchunk * b->npacket, BUS_DMA_WAITOK);
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if (q->buf == NULL) {
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free(q->bulkxfer, M_FW);
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q->bulkxfer = NULL;
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return (ENOMEM);
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}
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q->bnchunk = b->nchunk;
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q->bnpacket = b->npacket;
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q->psize = (b->psize + 3) & ~3;
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q->queued = 0;
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STAILQ_INIT(&q->stvalid);
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STAILQ_INIT(&q->stfree);
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STAILQ_INIT(&q->stdma);
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q->stproc = NULL;
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for (i = 0; i < q->bnchunk; i++) {
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q->bulkxfer[i].poffset = i * q->bnpacket;
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q->bulkxfer[i].mbuf = NULL;
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STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link);
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}
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q->flag &= ~FWXFERQ_MODEMASK;
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q->flag |= FWXFERQ_STREAM;
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q->flag |= FWXFERQ_EXTBUF;
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return (0);
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}
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static int
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fwdev_freebuf(struct fw_xferq *q)
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{
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if (q->flag & FWXFERQ_EXTBUF) {
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if (q->buf != NULL)
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fwdma_free_multiseg(q->buf);
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q->buf = NULL;
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free(q->bulkxfer, M_FW);
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q->bulkxfer = NULL;
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q->flag &= ~FWXFERQ_EXTBUF;
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q->psize = 0;
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q->maxq = FWMAXQUEUE;
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}
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return (0);
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}
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static int
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fw_open(struct cdev *dev, int flags, int fmt, fw_proc *td)
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{
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int err = 0;
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int unit = DEV2UNIT(dev);
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struct fw_drv1 *d;
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struct firewire_softc *sc;
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if (DEV_FWMEM(dev))
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return fwmem_open(dev, flags, fmt, td);
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sc = devclass_get_softc(firewire_devclass, unit);
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if (sc == NULL)
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return (ENXIO);
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FW_GLOCK(sc->fc);
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if (dev->si_drv1 != NULL) {
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FW_GUNLOCK(sc->fc);
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return (EBUSY);
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}
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/* set dummy value for allocation */
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dev->si_drv1 = (void *)-1;
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FW_GUNLOCK(sc->fc);
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dev->si_drv1 = malloc(sizeof(struct fw_drv1), M_FW, M_WAITOK | M_ZERO);
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if ((dev->si_flags & SI_NAMED) == 0) {
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int unit = DEV2UNIT(dev);
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int sub = DEV2SUB(dev);
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make_dev(&firewire_cdevsw, dev2unit(dev),
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UID_ROOT, GID_OPERATOR, 0660, "fw%d.%d", unit, sub);
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}
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d = dev->si_drv1;
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d->fc = sc->fc;
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STAILQ_INIT(&d->binds);
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STAILQ_INIT(&d->rq);
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return err;
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}
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static int
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fw_close(struct cdev *dev, int flags, int fmt, fw_proc *td)
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{
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struct firewire_comm *fc;
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struct fw_drv1 *d;
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struct fw_xfer *xfer;
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struct fw_bind *fwb;
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int err = 0;
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if (DEV_FWMEM(dev))
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return fwmem_close(dev, flags, fmt, td);
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d = dev->si_drv1;
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fc = d->fc;
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/* remove binding */
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for (fwb = STAILQ_FIRST(&d->binds); fwb != NULL;
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fwb = STAILQ_FIRST(&d->binds)) {
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fw_bindremove(fc, fwb);
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STAILQ_REMOVE_HEAD(&d->binds, chlist);
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fw_xferlist_remove(&fwb->xferlist);
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free(fwb, M_FW);
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}
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if (d->ir != NULL) {
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struct fw_xferq *ir = d->ir;
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if ((ir->flag & FWXFERQ_OPEN) == 0)
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return (EINVAL);
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if (ir->flag & FWXFERQ_RUNNING) {
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ir->flag &= ~FWXFERQ_RUNNING;
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fc->irx_disable(fc, ir->dmach);
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}
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/* free extbuf */
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fwdev_freebuf(ir);
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/* drain receiving buffer */
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for (xfer = STAILQ_FIRST(&ir->q);
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xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
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ir->queued--;
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STAILQ_REMOVE_HEAD(&ir->q, link);
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xfer->resp = 0;
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fw_xfer_done(xfer);
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}
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ir->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK |
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FWXFERQ_CHTAGMASK);
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d->ir = NULL;
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}
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if (d->it != NULL) {
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struct fw_xferq *it = d->it;
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if ((it->flag & FWXFERQ_OPEN) == 0)
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return (EINVAL);
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if (it->flag & FWXFERQ_RUNNING) {
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it->flag &= ~FWXFERQ_RUNNING;
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fc->itx_disable(fc, it->dmach);
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}
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/* free extbuf */
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fwdev_freebuf(it);
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it->flag &= ~(FWXFERQ_OPEN |
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FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
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d->it = NULL;
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}
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free(dev->si_drv1, M_FW);
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dev->si_drv1 = NULL;
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return err;
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}
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static int
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fw_read_async(struct fw_drv1 *d, struct uio *uio, int ioflag)
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{
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int err = 0, s;
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struct fw_xfer *xfer;
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struct fw_bind *fwb;
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struct fw_pkt *fp;
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struct tcode_info *tinfo;
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FW_GLOCK(d->fc);
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while ((xfer = STAILQ_FIRST(&d->rq)) == NULL && err == 0)
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err = msleep(&d->rq, FW_GMTX(d->fc), FWPRI, "fwra", 0);
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if (err != 0) {
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FW_GUNLOCK(d->fc);
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return (err);
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}
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s = splfw();
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STAILQ_REMOVE_HEAD(&d->rq, link);
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FW_GUNLOCK(xfer->fc);
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splx(s);
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fp = &xfer->recv.hdr;
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#if 0 /* for GASP ?? */
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if (fc->irx_post != NULL)
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fc->irx_post(fc, fp->mode.ld);
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#endif
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tinfo = &xfer->fc->tcode[fp->mode.hdr.tcode];
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err = uiomove(fp, tinfo->hdr_len, uio);
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if (err)
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goto out;
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err = uiomove(xfer->recv.payload, xfer->recv.pay_len, uio);
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out:
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/* recycle this xfer */
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fwb = (struct fw_bind *)xfer->sc;
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fw_xfer_unload(xfer);
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xfer->recv.pay_len = PAGE_SIZE;
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FW_GLOCK(xfer->fc);
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STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link);
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FW_GUNLOCK(xfer->fc);
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return (err);
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}
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/*
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* read request.
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*/
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static int
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fw_read(struct cdev *dev, struct uio *uio, int ioflag)
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{
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struct fw_drv1 *d;
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struct fw_xferq *ir;
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struct firewire_comm *fc;
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int err = 0, s, slept = 0;
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struct fw_pkt *fp;
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if (DEV_FWMEM(dev))
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return (physio(dev, uio, ioflag));
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d = dev->si_drv1;
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fc = d->fc;
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ir = d->ir;
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if (ir == NULL)
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return (fw_read_async(d, uio, ioflag));
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if (ir->buf == NULL)
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return (EIO);
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FW_GLOCK(fc);
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readloop:
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if (ir->stproc == NULL) {
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/* iso bulkxfer */
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ir->stproc = STAILQ_FIRST(&ir->stvalid);
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if (ir->stproc != NULL) {
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s = splfw();
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STAILQ_REMOVE_HEAD(&ir->stvalid, link);
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splx(s);
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ir->queued = 0;
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}
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}
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if (ir->stproc == NULL) {
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/* no data available */
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if (slept == 0) {
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slept = 1;
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ir->flag |= FWXFERQ_WAKEUP;
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err = msleep(ir, FW_GMTX(fc), FWPRI, "fw_read", hz);
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ir->flag &= ~FWXFERQ_WAKEUP;
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if (err == 0)
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goto readloop;
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} else if (slept == 1)
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err = EIO;
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FW_GUNLOCK(fc);
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return err;
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} else if (ir->stproc != NULL) {
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/* iso bulkxfer */
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FW_GUNLOCK(fc);
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fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,
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ir->stproc->poffset + ir->queued);
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if (fc->irx_post != NULL)
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fc->irx_post(fc, fp->mode.ld);
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if (fp->mode.stream.len == 0) {
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err = EIO;
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return err;
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}
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err = uiomove((caddr_t)fp,
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fp->mode.stream.len + sizeof(uint32_t), uio);
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ir->queued++;
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if (ir->queued >= ir->bnpacket) {
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s = splfw();
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STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);
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splx(s);
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fc->irx_enable(fc, ir->dmach);
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ir->stproc = NULL;
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}
|
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if (uio->uio_resid >= ir->psize) {
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slept = -1;
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FW_GLOCK(fc);
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goto readloop;
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}
|
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}
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return err;
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}
|
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|
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static int
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fw_write_async(struct fw_drv1 *d, struct uio *uio, int ioflag)
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{
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struct fw_xfer *xfer;
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struct fw_pkt pkt;
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struct tcode_info *tinfo;
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int err;
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|
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bzero(&pkt, sizeof(struct fw_pkt));
|
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if ((err = uiomove((caddr_t)&pkt, sizeof(uint32_t), uio)))
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return (err);
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tinfo = &d->fc->tcode[pkt.mode.hdr.tcode];
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if ((err = uiomove((caddr_t)&pkt + sizeof(uint32_t),
|
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tinfo->hdr_len - sizeof(uint32_t), uio)))
|
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return (err);
|
|
|
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if ((xfer = fw_xfer_alloc_buf(M_FWXFER, uio->uio_resid,
|
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PAGE_SIZE/*XXX*/)) == NULL)
|
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return (ENOMEM);
|
|
|
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bcopy(&pkt, &xfer->send.hdr, sizeof(struct fw_pkt));
|
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xfer->send.pay_len = uio->uio_resid;
|
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if (uio->uio_resid > 0) {
|
|
if ((err = uiomove((caddr_t)&xfer->send.payload[0],
|
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uio->uio_resid, uio)))
|
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goto out;
|
|
}
|
|
|
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xfer->fc = d->fc;
|
|
xfer->sc = NULL;
|
|
xfer->hand = fw_xferwake;
|
|
xfer->send.spd = 2 /* XXX */;
|
|
|
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if ((err = fw_asyreq(xfer->fc, -1, xfer)))
|
|
goto out;
|
|
|
|
if ((err = fw_xferwait(xfer)))
|
|
goto out;
|
|
|
|
if (xfer->resp != 0) {
|
|
err = xfer->resp;
|
|
goto out;
|
|
}
|
|
|
|
if (xfer->flag & FWXF_RCVD) {
|
|
FW_GLOCK(xfer->fc);
|
|
STAILQ_INSERT_TAIL(&d->rq, xfer, link);
|
|
FW_GUNLOCK(xfer->fc);
|
|
return (0);
|
|
}
|
|
|
|
out:
|
|
fw_xfer_free(xfer);
|
|
return (err);
|
|
}
|
|
|
|
static int
|
|
fw_write(struct cdev *dev, struct uio *uio, int ioflag)
|
|
{
|
|
int err = 0;
|
|
int s, slept = 0;
|
|
struct fw_drv1 *d;
|
|
struct fw_pkt *fp;
|
|
struct firewire_comm *fc;
|
|
struct fw_xferq *it;
|
|
|
|
if (DEV_FWMEM(dev))
|
|
return (physio(dev, uio, ioflag));
|
|
|
|
d = dev->si_drv1;
|
|
fc = d->fc;
|
|
it = d->it;
|
|
|
|
if (it == NULL)
|
|
return (fw_write_async(d, uio, ioflag));
|
|
|
|
if (it->buf == NULL)
|
|
return (EIO);
|
|
|
|
FW_GLOCK(fc);
|
|
isoloop:
|
|
if (it->stproc == NULL) {
|
|
it->stproc = STAILQ_FIRST(&it->stfree);
|
|
if (it->stproc != NULL) {
|
|
s = splfw();
|
|
STAILQ_REMOVE_HEAD(&it->stfree, link);
|
|
splx(s);
|
|
it->queued = 0;
|
|
} else if (slept == 0) {
|
|
slept = 1;
|
|
#if 0 /* XXX to avoid lock recursion */
|
|
err = fc->itx_enable(fc, it->dmach);
|
|
if (err)
|
|
goto out;
|
|
#endif
|
|
err = msleep(it, FW_GMTX(fc), FWPRI, "fw_write", hz);
|
|
if (err)
|
|
goto out;
|
|
goto isoloop;
|
|
} else {
|
|
err = EIO;
|
|
goto out;
|
|
}
|
|
}
|
|
FW_GUNLOCK(fc);
|
|
fp = (struct fw_pkt *)fwdma_v_addr(it->buf,
|
|
it->stproc->poffset + it->queued);
|
|
err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio);
|
|
err = uiomove((caddr_t)fp->mode.stream.payload,
|
|
fp->mode.stream.len, uio);
|
|
it->queued++;
|
|
if (it->queued >= it->bnpacket) {
|
|
s = splfw();
|
|
STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link);
|
|
splx(s);
|
|
it->stproc = NULL;
|
|
err = fc->itx_enable(fc, it->dmach);
|
|
}
|
|
if (uio->uio_resid >= sizeof(struct fw_isohdr)) {
|
|
slept = 0;
|
|
FW_GLOCK(fc);
|
|
goto isoloop;
|
|
}
|
|
return err;
|
|
|
|
out:
|
|
FW_GUNLOCK(fc);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
fw_hand(struct fw_xfer *xfer)
|
|
{
|
|
struct fw_bind *fwb;
|
|
struct fw_drv1 *d;
|
|
|
|
fwb = (struct fw_bind *)xfer->sc;
|
|
d = fwb->sc;
|
|
FW_GLOCK(xfer->fc);
|
|
STAILQ_INSERT_TAIL(&d->rq, xfer, link);
|
|
FW_GUNLOCK(xfer->fc);
|
|
wakeup(&d->rq);
|
|
}
|
|
|
|
/*
|
|
* ioctl support.
|
|
*/
|
|
int
|
|
fw_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, fw_proc *td)
|
|
{
|
|
struct firewire_comm *fc;
|
|
struct fw_drv1 *d;
|
|
int i, len, err = 0;
|
|
struct fw_device *fwdev;
|
|
struct fw_bind *fwb;
|
|
struct fw_xferq *ir, *it;
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
struct fw_devinfo *devinfo;
|
|
void *ptr;
|
|
|
|
struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)data;
|
|
struct fw_asyreq *asyreq = (struct fw_asyreq *)data;
|
|
struct fw_isochreq *ichreq = (struct fw_isochreq *)data;
|
|
struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)data;
|
|
struct fw_asybindreq *bindreq = (struct fw_asybindreq *)data;
|
|
struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)data;
|
|
|
|
if (DEV_FWMEM(dev))
|
|
return fwmem_ioctl(dev, cmd, data, flag, td);
|
|
|
|
if (!data)
|
|
return (EINVAL);
|
|
|
|
d = dev->si_drv1;
|
|
fc = d->fc;
|
|
ir = d->ir;
|
|
it = d->it;
|
|
|
|
switch (cmd) {
|
|
case FW_STSTREAM:
|
|
if (it == NULL) {
|
|
i = fw_open_isodma(fc, /* tx */1);
|
|
if (i < 0) {
|
|
err = EBUSY;
|
|
break;
|
|
}
|
|
it = fc->it[i];
|
|
err = fwdev_allocbuf(fc, it, &d->bufreq.tx);
|
|
if (err) {
|
|
it->flag &= ~FWXFERQ_OPEN;
|
|
break;
|
|
}
|
|
}
|
|
it->flag &= ~0xff;
|
|
it->flag |= (0x3f & ichreq->ch);
|
|
it->flag |= ((0x3 & ichreq->tag) << 6);
|
|
d->it = it;
|
|
break;
|
|
case FW_GTSTREAM:
|
|
if (it != NULL) {
|
|
ichreq->ch = it->flag & 0x3f;
|
|
ichreq->tag = it->flag >> 2 & 0x3;
|
|
} else
|
|
err = EINVAL;
|
|
break;
|
|
case FW_SRSTREAM:
|
|
if (ir == NULL) {
|
|
i = fw_open_isodma(fc, /* tx */0);
|
|
if (i < 0) {
|
|
err = EBUSY;
|
|
break;
|
|
}
|
|
ir = fc->ir[i];
|
|
err = fwdev_allocbuf(fc, ir, &d->bufreq.rx);
|
|
if (err) {
|
|
ir->flag &= ~FWXFERQ_OPEN;
|
|
break;
|
|
}
|
|
}
|
|
ir->flag &= ~0xff;
|
|
ir->flag |= (0x3f & ichreq->ch);
|
|
ir->flag |= ((0x3 & ichreq->tag) << 6);
|
|
d->ir = ir;
|
|
err = fc->irx_enable(fc, ir->dmach);
|
|
break;
|
|
case FW_GRSTREAM:
|
|
if (d->ir != NULL) {
|
|
ichreq->ch = ir->flag & 0x3f;
|
|
ichreq->tag = ir->flag >> 2 & 0x3;
|
|
} else
|
|
err = EINVAL;
|
|
break;
|
|
case FW_SSTBUF:
|
|
bcopy(ibufreq, &d->bufreq, sizeof(d->bufreq));
|
|
break;
|
|
case FW_GSTBUF:
|
|
bzero(&ibufreq->rx, sizeof(ibufreq->rx));
|
|
if (ir != NULL) {
|
|
ibufreq->rx.nchunk = ir->bnchunk;
|
|
ibufreq->rx.npacket = ir->bnpacket;
|
|
ibufreq->rx.psize = ir->psize;
|
|
}
|
|
bzero(&ibufreq->tx, sizeof(ibufreq->tx));
|
|
if (it != NULL) {
|
|
ibufreq->tx.nchunk = it->bnchunk;
|
|
ibufreq->tx.npacket = it->bnpacket;
|
|
ibufreq->tx.psize = it->psize;
|
|
}
|
|
break;
|
|
case FW_ASYREQ:
|
|
{
|
|
struct tcode_info *tinfo;
|
|
int pay_len = 0;
|
|
|
|
fp = &asyreq->pkt;
|
|
tinfo = &fc->tcode[fp->mode.hdr.tcode];
|
|
|
|
if ((tinfo->flag & FWTI_BLOCK_ASY) != 0)
|
|
pay_len = MAX(0, asyreq->req.len - tinfo->hdr_len);
|
|
|
|
xfer = fw_xfer_alloc_buf(M_FWXFER, pay_len, PAGE_SIZE/*XXX*/);
|
|
if (xfer == NULL)
|
|
return (ENOMEM);
|
|
|
|
switch (asyreq->req.type) {
|
|
case FWASREQNODE:
|
|
break;
|
|
case FWASREQEUI:
|
|
fwdev = fw_noderesolve_eui64(fc,
|
|
&asyreq->req.dst.eui);
|
|
if (fwdev == NULL) {
|
|
device_printf(fc->bdev,
|
|
"cannot find node\n");
|
|
err = EINVAL;
|
|
goto out;
|
|
}
|
|
fp->mode.hdr.dst = FWLOCALBUS | fwdev->dst;
|
|
break;
|
|
case FWASRESTL:
|
|
/* XXX what's this? */
|
|
break;
|
|
case FWASREQSTREAM:
|
|
/* nothing to do */
|
|
break;
|
|
}
|
|
|
|
bcopy(fp, (void *)&xfer->send.hdr, tinfo->hdr_len);
|
|
if (pay_len > 0)
|
|
bcopy((char *)fp + tinfo->hdr_len,
|
|
xfer->send.payload, pay_len);
|
|
xfer->send.spd = asyreq->req.sped;
|
|
xfer->hand = fw_xferwake;
|
|
|
|
if ((err = fw_asyreq(fc, -1, xfer)) != 0)
|
|
goto out;
|
|
if ((err = fw_xferwait(xfer)) != 0)
|
|
goto out;
|
|
if (xfer->resp != 0) {
|
|
err = EIO;
|
|
goto out;
|
|
}
|
|
if ((tinfo->flag & FWTI_TLABEL) == 0)
|
|
goto out;
|
|
|
|
/* copy response */
|
|
tinfo = &fc->tcode[xfer->recv.hdr.mode.hdr.tcode];
|
|
if (xfer->recv.hdr.mode.hdr.tcode == FWTCODE_RRESB ||
|
|
xfer->recv.hdr.mode.hdr.tcode == FWTCODE_LRES) {
|
|
pay_len = xfer->recv.pay_len;
|
|
if (asyreq->req.len >= xfer->recv.pay_len + tinfo->hdr_len) {
|
|
asyreq->req.len = xfer->recv.pay_len +
|
|
tinfo->hdr_len;
|
|
} else {
|
|
err = EINVAL;
|
|
pay_len = 0;
|
|
}
|
|
} else {
|
|
pay_len = 0;
|
|
}
|
|
bcopy(&xfer->recv.hdr, fp, tinfo->hdr_len);
|
|
bcopy(xfer->recv.payload, (char *)fp + tinfo->hdr_len, pay_len);
|
|
out:
|
|
fw_xfer_free_buf(xfer);
|
|
break;
|
|
}
|
|
case FW_IBUSRST:
|
|
fc->ibr(fc);
|
|
break;
|
|
case FW_CBINDADDR:
|
|
fwb = fw_bindlookup(fc,
|
|
bindreq->start.hi, bindreq->start.lo);
|
|
if (fwb == NULL) {
|
|
err = EINVAL;
|
|
break;
|
|
}
|
|
fw_bindremove(fc, fwb);
|
|
STAILQ_REMOVE(&d->binds, fwb, fw_bind, chlist);
|
|
fw_xferlist_remove(&fwb->xferlist);
|
|
free(fwb, M_FW);
|
|
break;
|
|
case FW_SBINDADDR:
|
|
if (bindreq->len <= 0) {
|
|
err = EINVAL;
|
|
break;
|
|
}
|
|
if (bindreq->start.hi > 0xffff) {
|
|
err = EINVAL;
|
|
break;
|
|
}
|
|
fwb = malloc(sizeof(struct fw_bind), M_FW, M_WAITOK);
|
|
fwb->start = ((u_int64_t)bindreq->start.hi << 32) |
|
|
bindreq->start.lo;
|
|
fwb->end = fwb->start + bindreq->len;
|
|
fwb->sc = d;
|
|
STAILQ_INIT(&fwb->xferlist);
|
|
err = fw_bindadd(fc, fwb);
|
|
if (err == 0) {
|
|
fw_xferlist_add(&fwb->xferlist, M_FWXFER,
|
|
/* XXX */
|
|
PAGE_SIZE, PAGE_SIZE, 5,
|
|
fc, fwb, fw_hand);
|
|
STAILQ_INSERT_TAIL(&d->binds, fwb, chlist);
|
|
}
|
|
break;
|
|
case FW_GDEVLST:
|
|
i = len = 1;
|
|
/* myself */
|
|
devinfo = &fwdevlst->dev[0];
|
|
devinfo->dst = fc->nodeid;
|
|
devinfo->status = 0; /* XXX */
|
|
devinfo->eui.hi = fc->eui.hi;
|
|
devinfo->eui.lo = fc->eui.lo;
|
|
STAILQ_FOREACH(fwdev, &fc->devices, link) {
|
|
if (len < FW_MAX_DEVLST) {
|
|
devinfo = &fwdevlst->dev[len++];
|
|
devinfo->dst = fwdev->dst;
|
|
devinfo->status =
|
|
(fwdev->status == FWDEVINVAL) ? 0 : 1;
|
|
devinfo->eui.hi = fwdev->eui.hi;
|
|
devinfo->eui.lo = fwdev->eui.lo;
|
|
}
|
|
i++;
|
|
}
|
|
fwdevlst->n = i;
|
|
fwdevlst->info_len = len;
|
|
break;
|
|
case FW_GTPMAP:
|
|
bcopy(fc->topology_map, data,
|
|
(fc->topology_map->crc_len + 1) * 4);
|
|
break;
|
|
case FW_GCROM:
|
|
STAILQ_FOREACH(fwdev, &fc->devices, link)
|
|
if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui))
|
|
break;
|
|
if (fwdev == NULL) {
|
|
if (!FW_EUI64_EQUAL(fc->eui, crom_buf->eui)) {
|
|
err = FWNODE_INVAL;
|
|
break;
|
|
}
|
|
/* myself */
|
|
ptr = malloc(CROMSIZE, M_FW, M_WAITOK);
|
|
len = CROMSIZE;
|
|
for (i = 0; i < CROMSIZE/4; i++)
|
|
((uint32_t *)ptr)[i]
|
|
= ntohl(fc->config_rom[i]);
|
|
} else {
|
|
/* found */
|
|
ptr = (void *)&fwdev->csrrom[0];
|
|
if (fwdev->rommax < CSRROMOFF)
|
|
len = 0;
|
|
else
|
|
len = fwdev->rommax - CSRROMOFF + 4;
|
|
}
|
|
if (crom_buf->len < len)
|
|
len = crom_buf->len;
|
|
else
|
|
crom_buf->len = len;
|
|
err = copyout(ptr, crom_buf->ptr, len);
|
|
if (fwdev == NULL)
|
|
/* myself */
|
|
free(ptr, M_FW);
|
|
break;
|
|
default:
|
|
fc->ioctl(dev, cmd, data, flag, td);
|
|
break;
|
|
}
|
|
return err;
|
|
}
|
|
int
|
|
fw_poll(struct cdev *dev, int events, fw_proc *td)
|
|
{
|
|
struct fw_xferq *ir;
|
|
int revents;
|
|
int tmp;
|
|
|
|
if (DEV_FWMEM(dev))
|
|
return fwmem_poll(dev, events, td);
|
|
|
|
ir = ((struct fw_drv1 *)dev->si_drv1)->ir;
|
|
revents = 0;
|
|
tmp = POLLIN | POLLRDNORM;
|
|
if (events & tmp) {
|
|
if (STAILQ_FIRST(&ir->q) != NULL)
|
|
revents |= tmp;
|
|
else
|
|
selrecord(td, &ir->rsel);
|
|
}
|
|
tmp = POLLOUT | POLLWRNORM;
|
|
if (events & tmp) {
|
|
/* XXX should be fixed */
|
|
revents |= tmp;
|
|
}
|
|
|
|
return revents;
|
|
}
|
|
|
|
static int
|
|
fw_mmap (struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
|
|
int nproto, vm_memattr_t *memattr)
|
|
{
|
|
|
|
if (DEV_FWMEM(dev))
|
|
return fwmem_mmap(dev, offset, paddr, nproto, memattr);
|
|
|
|
return EINVAL;
|
|
}
|
|
|
|
static void
|
|
fw_strategy(struct bio *bp)
|
|
{
|
|
struct cdev *dev;
|
|
|
|
dev = bp->bio_dev;
|
|
if (DEV_FWMEM(dev)) {
|
|
fwmem_strategy(bp);
|
|
return;
|
|
}
|
|
|
|
bp->bio_error = EOPNOTSUPP;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
bp->bio_resid = bp->bio_bcount;
|
|
biodone(bp);
|
|
}
|
|
|
|
int
|
|
fwdev_makedev(struct firewire_softc *sc)
|
|
{
|
|
int err = 0;
|
|
|
|
struct cdev *d;
|
|
int unit;
|
|
|
|
unit = device_get_unit(sc->fc->bdev);
|
|
sc->dev = make_dev(&firewire_cdevsw, MAKEMINOR(0, unit, 0),
|
|
UID_ROOT, GID_OPERATOR, 0660, "fw%d.%d", unit, 0);
|
|
d = make_dev(&firewire_cdevsw, MAKEMINOR(FWMEM_FLAG, unit, 0),
|
|
UID_ROOT, GID_OPERATOR, 0660, "fwmem%d.%d", unit, 0);
|
|
dev_depends(sc->dev, d);
|
|
make_dev_alias(sc->dev, "fw%d", unit);
|
|
make_dev_alias(d, "fwmem%d", unit);
|
|
|
|
return (err);
|
|
}
|
|
|
|
int
|
|
fwdev_destroydev(struct firewire_softc *sc)
|
|
{
|
|
int err = 0;
|
|
|
|
destroy_dev(sc->dev);
|
|
return (err);
|
|
}
|
|
|
|
#define NDEVTYPE 2
|
|
void
|
|
fwdev_clone(void *arg, struct ucred *cred, char *name, int namelen,
|
|
struct cdev **dev)
|
|
{
|
|
struct firewire_softc *sc;
|
|
char *devnames[NDEVTYPE] = {"fw", "fwmem"};
|
|
char *subp = NULL;
|
|
int devflag[NDEVTYPE] = {0, FWMEM_FLAG};
|
|
int i, unit = 0, sub = 0;
|
|
|
|
if (*dev != NULL)
|
|
return;
|
|
|
|
for (i = 0; i < NDEVTYPE; i++)
|
|
if (dev_stdclone(name, &subp, devnames[i], &unit) == 2)
|
|
goto found;
|
|
/* not match */
|
|
return;
|
|
found:
|
|
|
|
if (subp == NULL || *subp++ != '.')
|
|
return;
|
|
|
|
/* /dev/fwU.S */
|
|
while (isdigit(*subp)) {
|
|
sub *= 10;
|
|
sub += *subp++ - '0';
|
|
}
|
|
if (*subp != '\0')
|
|
return;
|
|
|
|
sc = devclass_get_softc(firewire_devclass, unit);
|
|
if (sc == NULL)
|
|
return;
|
|
*dev = make_dev_credf(MAKEDEV_REF, &firewire_cdevsw,
|
|
MAKEMINOR(devflag[i], unit, sub), cred, UID_ROOT, GID_OPERATOR,
|
|
0660, "%s%d.%d", devnames[i], unit, sub);
|
|
dev_depends(sc->dev, *dev);
|
|
return;
|
|
}
|