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07159f9c56
freebsd-nq/sys/dev/firewire/fwdev.c
Maxime Henrion 07159f9c56 Cleanup of the d_mmap_t interface. 
- Get rid of the useless atop() / pmap_phys_address() detour.  The
  device mmap handlers must now give back the physical address
  without atop()'ing it.
- Don't borrow the physical address of the mapping in the returned
  int.  Now we properly pass a vm_offset_t * and expect it to be
  filled by the mmap handler when the mapping was successful.  The
  mmap handler must now return 0 when successful, any other value
  is considered as an error.  Previously, returning -1 was the only
  way to fail.  This change thus accidentally fixes some devices
  which were bogusly returning errno constants which would have been
  considered as addresses by the device pager.
- Garbage collect the poorly named pmap_phys_address() now that it's
  no longer used.
- Convert all the d_mmap_t consumers to the new API.

I'm still not sure wheter we need a __FreeBSD_version bump for this,
since and we didn't guarantee API/ABI stability until 5.1-RELEASE.

Discussed with:		alc, phk, jake
Reviewed by:		peter
Compile-tested on:	LINT (i386), GENERIC (alpha and sparc64)
Runtime-tested on:	i386
2003-02-25 03:21:22 +00:00

936 lines
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/*
* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
* All rights reserved.
*
* 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 acknowledgement as bellow:
*
* This product includes software developed by K. Kobayashi and H. Shimokawa
*
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD$
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/conf.h>
#include <sys/uio.h>
#include <sys/poll.h>
#include <sys/bus.h>
#include <sys/ioccom.h>
#include <dev/firewire/firewire.h>
#include <dev/firewire/firewirereg.h>
#include <dev/firewire/fwmem.h>
#include <dev/firewire/iec68113.h>
#define CDEV_MAJOR 127
#define FWNODE_INVAL 0xffff
static d_open_t fw_open;
static d_close_t fw_close;
static d_ioctl_t fw_ioctl;
static d_poll_t fw_poll;
static d_read_t fw_read; /* for Isochronous packet */
static d_write_t fw_write;
static d_mmap_t fw_mmap;
struct cdevsw firewire_cdevsw =
{
fw_open, fw_close, fw_read, fw_write, fw_ioctl,
fw_poll, fw_mmap, nostrategy, "fw", CDEV_MAJOR, nodump, nopsize, D_MEM
};
static int
fw_open (dev_t dev, int flags, int fmt, fw_proc *td)
{
struct firewire_softc *sc;
int unit = DEV2UNIT(dev);
int sub = DEV2DMACH(dev);
int err = 0;
if (DEV_FWMEM(dev))
return fwmem_open(dev, flags, fmt, td);
sc = devclass_get_softc(firewire_devclass, unit);
if(sc->fc->ir[sub]->flag & FWXFERQ_OPEN){
err = EBUSY;
return err;
}
if(sc->fc->it[sub]->flag & FWXFERQ_OPEN){
err = EBUSY;
return err;
}
if(sc->fc->ir[sub]->flag & FWXFERQ_MODEMASK){
err = EBUSY;
return err;
}
/* Default is per packet mode */
sc->fc->ir[sub]->flag |= FWXFERQ_OPEN;
sc->fc->it[sub]->flag |= FWXFERQ_OPEN;
sc->fc->ir[sub]->flag |= FWXFERQ_PACKET;
return err;
}
static int
fw_close (dev_t dev, int flags, int fmt, fw_proc *td)
{
struct firewire_softc *sc;
int unit = DEV2UNIT(dev);
int sub = DEV2DMACH(dev);
struct fw_xfer *xfer;
struct fw_bind *fwb;
int err = 0;
if (DEV_FWMEM(dev))
return fwmem_close(dev, flags, fmt, td);
sc = devclass_get_softc(firewire_devclass, unit);
if(!(sc->fc->ir[sub]->flag & FWXFERQ_OPEN)){
err = EINVAL;
return err;
}
sc->fc->ir[sub]->flag &= ~FWXFERQ_OPEN;
if(!(sc->fc->it[sub]->flag & FWXFERQ_OPEN)){
err = EINVAL;
return err;
}
sc->fc->it[sub]->flag &= ~FWXFERQ_OPEN;
if(sc->fc->ir[sub]->flag & FWXFERQ_RUNNING){
sc->fc->irx_disable(sc->fc, sub);
}
if(sc->fc->it[sub]->flag & FWXFERQ_RUNNING){
sc->fc->it[sub]->flag &= ~FWXFERQ_RUNNING;
sc->fc->itx_disable(sc->fc, sub);
}
#ifdef FWXFERQ_DV
if(sc->fc->it[sub]->flag & FWXFERQ_DV){
struct fw_dvbuf *dvbuf;
if((dvbuf = sc->fc->it[sub]->dvproc) != NULL){
free(dvbuf->buf, M_FW);
sc->fc->it[sub]->dvproc = NULL;
}
if((dvbuf = sc->fc->it[sub]->dvdma) != NULL){
free(dvbuf->buf, M_FW);
sc->fc->it[sub]->dvdma = NULL;
}
while((dvbuf = STAILQ_FIRST(&sc->fc->it[sub]->dvvalid)) != NULL){
STAILQ_REMOVE_HEAD(&sc->fc->it[sub]->dvvalid, link);
free(dvbuf->buf, M_FW);
}
while((dvbuf = STAILQ_FIRST(&sc->fc->it[sub]->dvfree)) != NULL){
STAILQ_REMOVE_HEAD(&sc->fc->it[sub]->dvfree, link);
free(dvbuf->buf, M_FW);
}
free(sc->fc->it[sub]->dvbuf, M_FW);
sc->fc->it[sub]->dvbuf = NULL;
}
#endif
if(sc->fc->ir[sub]->flag & FWXFERQ_EXTBUF){
free(sc->fc->ir[sub]->buf, M_FW);
sc->fc->ir[sub]->buf = NULL;
free(sc->fc->ir[sub]->bulkxfer, M_FW);
sc->fc->ir[sub]->bulkxfer = NULL;
sc->fc->ir[sub]->flag &= ~FWXFERQ_EXTBUF;
sc->fc->ir[sub]->psize = PAGE_SIZE;
sc->fc->ir[sub]->maxq = FWMAXQUEUE;
}
if(sc->fc->it[sub]->flag & FWXFERQ_EXTBUF){
free(sc->fc->it[sub]->buf, M_FW);
sc->fc->it[sub]->buf = NULL;
free(sc->fc->it[sub]->bulkxfer, M_FW);
sc->fc->it[sub]->bulkxfer = NULL;
#ifdef FWXFERQ_DV
sc->fc->it[sub]->dvbuf = NULL;
#endif
sc->fc->it[sub]->flag &= ~FWXFERQ_EXTBUF;
sc->fc->it[sub]->psize = 0;
sc->fc->it[sub]->maxq = FWMAXQUEUE;
}
for(xfer = STAILQ_FIRST(&sc->fc->ir[sub]->q);
xfer != NULL; xfer = STAILQ_FIRST(&sc->fc->ir[sub]->q)){
sc->fc->ir[sub]->queued--;
STAILQ_REMOVE_HEAD(&sc->fc->ir[sub]->q, link);
xfer->resp = 0;
switch(xfer->act_type){
case FWACT_XFER:
fw_xfer_done(xfer);
break;
default:
break;
}
fw_xfer_free(xfer);
}
for(fwb = STAILQ_FIRST(&sc->fc->ir[sub]->binds); fwb != NULL;
fwb = STAILQ_FIRST(&sc->fc->ir[sub]->binds)){
STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist);
STAILQ_REMOVE_HEAD(&sc->fc->ir[sub]->binds, chlist);
free(fwb, M_FW);
}
sc->fc->ir[sub]->flag &= ~FWXFERQ_MODEMASK;
sc->fc->it[sub]->flag &= ~FWXFERQ_MODEMASK;
return err;
}
/*
* read request.
*/
static int
fw_read (dev_t dev, struct uio *uio, int ioflag)
{
struct firewire_softc *sc;
struct fw_xferq *ir;
struct fw_xfer *xfer;
int err = 0, s, slept = 0;
int unit = DEV2UNIT(dev);
int sub = DEV2DMACH(dev);
struct fw_pkt *fp;
if (DEV_FWMEM(dev))
return fwmem_read(dev, uio, ioflag);
sc = devclass_get_softc(firewire_devclass, unit);
ir = sc->fc->ir[sub];
if (ir->flag & FWXFERQ_PACKET) {
ir->stproc = NULL;
}
readloop:
xfer = STAILQ_FIRST(&ir->q);
if ((ir->flag & FWXFERQ_PACKET) == 0 && ir->stproc == NULL) {
/* iso bulkxfer */
ir->stproc = STAILQ_FIRST(&ir->stvalid);
if (ir->stproc != NULL) {
s = splfw();
STAILQ_REMOVE_HEAD(&ir->stvalid, link);
splx(s);
ir->queued = 0;
}
}
if (xfer == NULL && ir->stproc == NULL) {
/* no data avaliable */
if (slept == 0) {
slept = 1;
if ((ir->flag & FWXFERQ_RUNNING) == 0
&& (ir->flag & FWXFERQ_PACKET)) {
err = sc->fc->irx_enable(sc->fc, sub);
if (err)
return err;
}
ir->flag |= FWXFERQ_WAKEUP;
err = tsleep((caddr_t)ir, FWPRI, "fw_read", hz);
ir->flag &= ~FWXFERQ_WAKEUP;
if (err == 0)
goto readloop;
} else if (slept == 1)
err = EIO;
return err;
} else if(xfer != NULL) {
/* per packet mode */
s = splfw();
ir->queued --;
STAILQ_REMOVE_HEAD(&ir->q, link);
splx(s);
fp = (struct fw_pkt *)(xfer->recv.buf + xfer->recv.off);
if(sc->fc->irx_post != NULL)
sc->fc->irx_post(sc->fc, fp->mode.ld);
err = uiomove(xfer->recv.buf + xfer->recv.off, xfer->recv.len, uio);
fw_xfer_free( xfer);
} else if(ir->stproc != NULL) {
/* iso bulkxfer */
fp = (struct fw_pkt *)(ir->stproc->buf + ir->queued * ir->psize);
if(sc->fc->irx_post != NULL)
sc->fc->irx_post(sc->fc, fp->mode.ld);
if(ntohs(fp->mode.stream.len) == 0){
err = EIO;
return err;
}
err = uiomove((caddr_t)fp,
ntohs(fp->mode.stream.len) + sizeof(u_int32_t), uio);
#if 0
fp->mode.stream.len = 0;
#endif
ir->queued ++;
if(ir->queued >= ir->bnpacket){
s = splfw();
STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);
splx(s);
sc->fc->irx_enable(sc->fc, sub);
ir->stproc = NULL;
}
if (uio->uio_resid >= ir->psize) {
slept = -1;
goto readloop;
}
}
return err;
}
static int
fw_write (dev_t dev, struct uio *uio, int ioflag)
{
int err = 0;
struct firewire_softc *sc;
int unit = DEV2UNIT(dev);
int sub = DEV2DMACH(dev);
int s, slept = 0;
struct fw_pkt *fp;
struct fw_xfer *xfer;
struct fw_xferq *xferq;
struct firewire_comm *fc;
struct fw_xferq *it;
if (DEV_FWMEM(dev))
return fwmem_write(dev, uio, ioflag);
sc = devclass_get_softc(firewire_devclass, unit);
fc = sc->fc;
it = sc->fc->it[sub];
fp = (struct fw_pkt *)uio->uio_iov->iov_base;
switch(fp->mode.common.tcode){
case FWTCODE_RREQQ:
case FWTCODE_RREQB:
case FWTCODE_LREQ:
err = EINVAL;
return err;
case FWTCODE_WREQQ:
case FWTCODE_WREQB:
xferq = fc->atq;
break;
case FWTCODE_STREAM:
if(it->flag & FWXFERQ_PACKET){
xferq = fc->atq;
}else{
xferq = NULL;
}
break;
case FWTCODE_WRES:
case FWTCODE_RRESQ:
case FWTCODE_RRESB:
case FWTCODE_LRES:
xferq = fc->ats;
break;
default:
err = EINVAL;
return err;
}
/* Discard unsent buffered stream packet, when sending Asyrequrst */
if(xferq != NULL && it->stproc != NULL){
s = splfw();
STAILQ_INSERT_TAIL(&it->stfree, it->stproc, link);
splx(s);
it->stproc = NULL;
}
#ifdef FWXFERQ_DV
if(xferq == NULL && !(it->flag & FWXFERQ_DV)){
#else
if (xferq == NULL) {
#endif
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;
err = sc->fc->itx_enable(sc->fc, sub);
if (err)
return err;
err = tsleep((caddr_t)it, FWPRI,
"fw_write", hz);
if (err)
return err;
goto isoloop;
} else {
err = EIO;
return err;
}
}
fp = (struct fw_pkt *)
(it->stproc->buf + it->queued * it->psize);
err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio);
err = uiomove((caddr_t)fp->mode.stream.payload,
ntohs(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 = sc->fc->itx_enable(sc->fc, sub);
}
if (uio->uio_resid >= sizeof(struct fw_isohdr)) {
slept = 0;
goto isoloop;
}
return err;
}
#ifdef FWXFERQ_DV
if(xferq == NULL && it->flag & FWXFERQ_DV){
dvloop:
if(it->dvproc == NULL){
it->dvproc = STAILQ_FIRST(&it->dvfree);
if(it->dvproc != NULL){
s = splfw();
STAILQ_REMOVE_HEAD(&it->dvfree, link);
splx(s);
it->dvptr = 0;
}else if(slept == 0){
slept = 1;
err = sc->fc->itx_enable(sc->fc, sub);
if(err){
return err;
}
err = tsleep((caddr_t)it, FWPRI, "fw_write", hz);
if(err){
return err;
}
goto dvloop;
}else{
err = EIO;
return err;
}
}
#if 0 /* What's this for? (it->dvptr? overwritten by the following uiomove)*/
fp = (struct fw_pkt *)(it->dvproc->buf + it->queued * it->psize);
fp->mode.stream.len = htons(uio->uio_resid - sizeof(u_int32_t));
#endif
err = uiomove(it->dvproc->buf + it->dvptr,
uio->uio_resid, uio);
it->dvptr += it->psize;
if(err){
return err;
}
if(it->dvptr >= it->psize * it->dvpacket){
s = splfw();
STAILQ_INSERT_TAIL(&it->dvvalid, it->dvproc, link);
splx(s);
it->dvproc = NULL;
err = fw_tbuf_update(sc->fc, sub, 0);
if(err){
return err;
}
err = sc->fc->itx_enable(sc->fc, sub);
}
return err;
}
#endif
if(xferq != NULL){
xfer = fw_xfer_alloc(M_FWXFER);
if(xfer == NULL){
err = ENOMEM;
return err;
}
xfer->send.buf = malloc(uio->uio_resid, M_FW, M_NOWAIT);
if(xfer->send.buf == NULL){
fw_xfer_free( xfer);
err = ENOBUFS;
return err;
}
xfer->dst = ntohs(fp->mode.hdr.dst);
#if 0
switch(fp->mode.common.tcode){
case FWTCODE_WREQQ:
case FWTCODE_WREQB:
if((tl = fw_get_tlabel(fc, xfer)) == -1 ){
fw_xfer_free( xfer);
err = EAGAIN;
return err;
}
fp->mode.hdr.tlrt = tl << 2;
default:
break;
}
xfer->tl = fp->mode.hdr.tlrt >> 2;
xfer->tcode = fp->mode.common.tcode;
xfer->fc = fc;
xfer->q = xferq;
xfer->act_type = FWACT_XFER;
xfer->retry_req = fw_asybusy;
#endif
xfer->send.len = uio->uio_resid;
xfer->send.off = 0;
xfer->spd = 0;/* XXX: how to setup it */
xfer->act.hand = fw_asy_callback;
err = uiomove(xfer->send.buf, uio->uio_resid, uio);
if(err){
fw_xfer_free( xfer);
return err;
}
#if 0
fw_asystart(xfer);
#else
fw_asyreq(fc, -1, xfer);
#endif
err = tsleep((caddr_t)xfer, FWPRI, "fw_write", hz);
if(xfer->resp == EBUSY)
return EBUSY;
fw_xfer_free( xfer);
return err;
}
return EINVAL;
}
/*
* ioctl support.
*/
int
fw_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, fw_proc *td)
{
struct firewire_softc *sc;
int unit = DEV2UNIT(dev);
int sub = DEV2DMACH(dev);
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;
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);
sc = devclass_get_softc(firewire_devclass, unit);
if (!data)
return(EINVAL);
switch (cmd) {
case FW_STSTREAM:
sc->fc->it[sub]->flag &= ~0xff;
sc->fc->it[sub]->flag |= (0x3f & ichreq->ch);
sc->fc->it[sub]->flag |= ((0x3 & ichreq->tag) << 6);
err = 0;
break;
case FW_GTSTREAM:
ichreq->ch = sc->fc->it[sub]->flag & 0x3f;
ichreq->tag =(sc->fc->it[sub]->flag) >> 2 & 0x3;
err = 0;
break;
case FW_SRSTREAM:
sc->fc->ir[sub]->flag &= ~0xff;
sc->fc->ir[sub]->flag |= (0x3f & ichreq->ch);
sc->fc->ir[sub]->flag |= ((0x3 & ichreq->tag) << 6);
err = sc->fc->irx_enable(sc->fc, sub);
break;
case FW_GRSTREAM:
ichreq->ch = sc->fc->ir[sub]->flag & 0x3f;
ichreq->tag =(sc->fc->ir[sub]->flag) >> 2 & 0x3;
err = 0;
break;
#ifdef FWXFERQ_DV
case FW_SSTDV:
ibufreq = (struct fw_isobufreq *)
malloc(sizeof(struct fw_isobufreq), M_FW, M_NOWAIT);
if(ibufreq == NULL){
err = ENOMEM;
break;
}
#if DV_PAL
#define FWDVPACKET 300
#else
#define FWDVPACKET 250
#endif
#define FWDVPMAX 512
ibufreq->rx.nchunk = 8;
ibufreq->rx.npacket = 50;
ibufreq->rx.psize = FWDVPMAX;
ibufreq->tx.nchunk = 5;
ibufreq->tx.npacket = FWDVPACKET + 30; /* > 320 or 267 */
ibufreq->tx.psize = FWDVPMAX;
err = fw_ioctl(dev, FW_SSTBUF, (caddr_t)ibufreq, flag, td);
sc->fc->it[sub]->dvpacket = FWDVPACKET;
free(ibufreq, M_FW);
/* reserve a buffer space */
#define NDVCHUNK 8
sc->fc->it[sub]->dvproc = NULL;
sc->fc->it[sub]->dvdma = NULL;
sc->fc->it[sub]->flag |= FWXFERQ_DV;
/* XXX check malloc failure */
sc->fc->it[sub]->dvbuf
= (struct fw_dvbuf *)malloc(sizeof(struct fw_dvbuf) * NDVCHUNK, M_FW, M_NOWAIT);
STAILQ_INIT(&sc->fc->it[sub]->dvvalid);
STAILQ_INIT(&sc->fc->it[sub]->dvfree);
for( i = 0 ; i < NDVCHUNK ; i++){
/* XXX check malloc failure */
sc->fc->it[sub]->dvbuf[i].buf
= malloc(FWDVPMAX * sc->fc->it[sub]->dvpacket, M_FW, M_NOWAIT);
STAILQ_INSERT_TAIL(&sc->fc->it[sub]->dvfree,
&sc->fc->it[sub]->dvbuf[i], link);
}
break;
#endif
case FW_SSTBUF:
ir = sc->fc->ir[sub];
it = sc->fc->it[sub];
if(ir->flag & FWXFERQ_RUNNING || it->flag & FWXFERQ_RUNNING){
return(EBUSY);
}
if((ir->flag & FWXFERQ_EXTBUF) || (it->flag & FWXFERQ_EXTBUF)){
return(EBUSY);
}
if((ibufreq->rx.nchunk *
ibufreq->rx.psize * ibufreq->rx.npacket) +
(ibufreq->tx.nchunk *
ibufreq->tx.psize * ibufreq->tx.npacket) <= 0){
return(EINVAL);
}
if(ibufreq->rx.nchunk > FWSTMAXCHUNK ||
ibufreq->tx.nchunk > FWSTMAXCHUNK){
return(EINVAL);
}
ir->bulkxfer
= (struct fw_bulkxfer *)malloc(sizeof(struct fw_bulkxfer) * ibufreq->rx.nchunk, M_FW, 0);
if(ir->bulkxfer == NULL){
return(ENOMEM);
}
it->bulkxfer
= (struct fw_bulkxfer *)malloc(sizeof(struct fw_bulkxfer) * ibufreq->tx.nchunk, M_FW, 0);
if(it->bulkxfer == NULL){
return(ENOMEM);
}
ir->buf = malloc(
ibufreq->rx.nchunk * ibufreq->rx.npacket
/* XXX psize must be 2^n and less or
equal to PAGE_SIZE */
* ((ibufreq->rx.psize + 3) &~3),
M_FW, 0);
if(ir->buf == NULL){
free(ir->bulkxfer, M_FW);
free(it->bulkxfer, M_FW);
ir->bulkxfer = NULL;
it->bulkxfer = NULL;
it->buf = NULL;
return(ENOMEM);
}
it->buf = malloc(
ibufreq->tx.nchunk * ibufreq->tx.npacket
/* XXX psize must be 2^n and less or
equal to PAGE_SIZE */
* ((ibufreq->tx.psize + 3) &~3),
M_FW, 0);
if(it->buf == NULL){
free(ir->bulkxfer, M_FW);
free(it->bulkxfer, M_FW);
free(ir->buf, M_FW);
ir->bulkxfer = NULL;
it->bulkxfer = NULL;
it->buf = NULL;
return(ENOMEM);
}
ir->bnchunk = ibufreq->rx.nchunk;
ir->bnpacket = ibufreq->rx.npacket;
ir->psize = (ibufreq->rx.psize + 3) & ~3;
ir->queued = 0;
it->bnchunk = ibufreq->tx.nchunk;
it->bnpacket = ibufreq->tx.npacket;
it->psize = (ibufreq->tx.psize + 3) & ~3;
it->queued = 0;
#ifdef FWXFERQ_DV
it->dvdbc = 0;
it->dvdiff = 0;
it->dvsync = 0;
it->dvoffset = 0;
#endif
STAILQ_INIT(&ir->stvalid);
STAILQ_INIT(&ir->stfree);
STAILQ_INIT(&ir->stdma);
ir->stproc = NULL;
STAILQ_INIT(&it->stvalid);
STAILQ_INIT(&it->stfree);
STAILQ_INIT(&it->stdma);
it->stproc = NULL;
for(i = 0 ; i < sc->fc->ir[sub]->bnchunk; i++){
ir->bulkxfer[i].buf =
ir->buf +
i * sc->fc->ir[sub]->bnpacket *
sc->fc->ir[sub]->psize;
STAILQ_INSERT_TAIL(&ir->stfree,
&ir->bulkxfer[i], link);
ir->bulkxfer[i].npacket = ir->bnpacket;
}
for(i = 0 ; i < sc->fc->it[sub]->bnchunk; i++){
it->bulkxfer[i].buf =
it->buf +
i * sc->fc->it[sub]->bnpacket *
sc->fc->it[sub]->psize;
STAILQ_INSERT_TAIL(&it->stfree,
&it->bulkxfer[i], link);
it->bulkxfer[i].npacket = it->bnpacket;
}
ir->flag &= ~FWXFERQ_MODEMASK;
ir->flag |= FWXFERQ_STREAM;
ir->flag |= FWXFERQ_EXTBUF;
it->flag &= ~FWXFERQ_MODEMASK;
it->flag |= FWXFERQ_STREAM;
it->flag |= FWXFERQ_EXTBUF;
err = 0;
break;
case FW_GSTBUF:
ibufreq->rx.nchunk = sc->fc->ir[sub]->bnchunk;
ibufreq->rx.npacket = sc->fc->ir[sub]->bnpacket;
ibufreq->rx.psize = sc->fc->ir[sub]->psize;
ibufreq->tx.nchunk = sc->fc->it[sub]->bnchunk;
ibufreq->tx.npacket = sc->fc->it[sub]->bnpacket;
ibufreq->tx.psize = sc->fc->it[sub]->psize;
break;
case FW_ASYREQ:
xfer = fw_xfer_alloc(M_FWXFER);
if(xfer == NULL){
err = ENOMEM;
return err;
}
fp = &asyreq->pkt;
switch (asyreq->req.type) {
case FWASREQNODE:
xfer->dst = ntohs(fp->mode.hdr.dst);
break;
case FWASREQEUI:
fwdev = fw_noderesolve_eui64(sc->fc,
&asyreq->req.dst.eui);
if (fwdev == NULL) {
device_printf(sc->fc->bdev,
"cannot find node\n");
err = EINVAL;
goto error;
}
xfer->dst = fwdev->dst;
fp->mode.hdr.dst = htons(FWLOCALBUS | xfer->dst);
break;
case FWASRESTL:
/* XXX what's this? */
break;
case FWASREQSTREAM:
/* nothing to do */
break;
}
xfer->spd = asyreq->req.sped;
xfer->send.len = asyreq->req.len;
xfer->send.buf = malloc(xfer->send.len, M_FW, M_NOWAIT);
if(xfer->send.buf == NULL){
return ENOMEM;
}
xfer->send.off = 0;
bcopy(fp, xfer->send.buf, xfer->send.len);
xfer->act.hand = fw_asy_callback;
err = fw_asyreq(sc->fc, sub, xfer);
if(err){
fw_xfer_free( xfer);
return err;
}
err = tsleep((caddr_t)xfer, FWPRI, "asyreq", hz);
if(err == 0){
if(asyreq->req.len >= xfer->recv.len){
asyreq->req.len = xfer->recv.len;
}else{
err = EINVAL;
}
bcopy(xfer->recv.buf + xfer->recv.off, fp, asyreq->req.len);
}
error:
fw_xfer_free( xfer);
break;
case FW_IBUSRST:
sc->fc->ibr(sc->fc);
break;
case FW_CBINDADDR:
fwb = fw_bindlookup(sc->fc,
bindreq->start.hi, bindreq->start.lo);
if(fwb == NULL){
err = EINVAL;
break;
}
STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist);
STAILQ_REMOVE(&sc->fc->ir[sub]->binds, fwb, fw_bind, chlist);
free(fwb, M_FW);
break;
case FW_SBINDADDR:
if(bindreq->len <= 0 ){
err = EINVAL;
break;
}
if(bindreq->start.hi > 0xffff ){
err = EINVAL;
break;
}
fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT);
if(fwb == NULL){
err = ENOMEM;
break;
}
fwb->start_hi = bindreq->start.hi;
fwb->start_lo = bindreq->start.lo;
fwb->addrlen = bindreq->len;
xfer = fw_xfer_alloc(M_FWXFER);
if(xfer == NULL){
err = ENOMEM;
return err;
}
xfer->act_type = FWACT_CH;
xfer->sub = sub;
xfer->fc = sc->fc;
fwb->xfer = xfer;
err = fw_bindadd(sc->fc, fwb);
break;
case FW_GDEVLST:
i = len = 1;
/* myself */
devinfo = &fwdevlst->dev[0];
devinfo->dst = sc->fc->nodeid;
devinfo->status = 0; /* XXX */
devinfo->eui.hi = sc->fc->eui.hi;
devinfo->eui.lo = sc->fc->eui.lo;
STAILQ_FOREACH(fwdev, &sc->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(sc->fc->topology_map, data,
(sc->fc->topology_map->crc_len + 1) * 4);
break;
case FW_GCROM:
STAILQ_FOREACH(fwdev, &sc->fc->devices, link)
if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui))
break;
if (fwdev == NULL) {
err = FWNODE_INVAL;
break;
}
#if 0
if (fwdev->csrrom[0] >> 24 == 1)
len = 4;
else
len = (1 + ((fwdev->csrrom[0] >> 16) & 0xff)) * 4;
#else
if (fwdev->rommax < CSRROMOFF)
len = 0;
else
len = fwdev->rommax - CSRROMOFF + 4;
#endif
if (crom_buf->len < len)
len = crom_buf->len;
else
crom_buf->len = len;
err = copyout(&fwdev->csrrom[0], crom_buf->ptr, len);
break;
default:
sc->fc->ioctl (dev, cmd, data, flag, td);
break;
}
return err;
}
int
fw_poll(dev_t dev, int events, fw_proc *td)
{
int revents;
int tmp;
int unit = DEV2UNIT(dev);
int sub = DEV2DMACH(dev);
struct firewire_softc *sc;
if (DEV_FWMEM(dev))
return fwmem_poll(dev, events, td);
sc = devclass_get_softc(firewire_devclass, unit);
revents = 0;
tmp = POLLIN | POLLRDNORM;
if (events & tmp) {
if (STAILQ_FIRST(&sc->fc->ir[sub]->q) != NULL)
revents |= tmp;
else
selrecord(td, &sc->fc->ir[sub]->rsel);
}
tmp = POLLOUT | POLLWRNORM;
if (events & tmp) {
/* XXX should be fixed */
revents |= tmp;
}
return revents;
}
static int
fw_mmap (dev_t dev, vm_offset_t offset, vm_offset_t *paddr, int nproto)
{
struct firewire_softc *fc;
int unit = DEV2UNIT(dev);
if (DEV_FWMEM(dev))
return fwmem_mmap(dev, offset, paddr, nproto);
fc = devclass_get_softc(firewire_devclass, unit);
return EINVAL;
}
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