* Copyright 2007, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* JiSheng Zhang
* Jérôme DUVAL
*/
* Copyright (c) 2003 Hidetoshi Shimokawa
* 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: src/sys/dev/firewire/fwdev.c,v 1.52 2007/06/06 14:31:36 simokawa Exp $
*
*/
#include <sys/param.h>
#include <sys/types.h>
#include <Drivers.h>
#include <OS.h>
#include <KernelExport.h>
#include <malloc.h>
#include <module.h>
#include <stdio.h>
#include <ByteOrder.h>
#include <string.h>
#include <sys/ioccom.h>
#include "queue.h"
#include "firewire.h"
#include "iec13213.h"
#include "firewirereg.h"
#include "fwdma.h"
#include "iec68113.h"
#define TRACE(x...)
#include "firewire_module.h"
#define FWNODE_INVAL 0xffff
int32 api_version = B_CUR_DRIVER_API_VERSION;
struct fw_module_info *gFirewire;
const char fwname[] = "bus/fw/%ld";
#define FWNAMEMAX 9
static char ** devices;
uint32 devices_count = 0;
struct fw_drv1 {
struct firewire_comm *fc;
struct fw_xferq *ir;
struct fw_xferq *it;
struct fw_isobufreq bufreq;
STAILQ_HEAD(, fw_bind) binds;
STAILQ_HEAD(, fw_xfer) rq;
sem_id rqSem;
};
static int
fwdev_allocbuf(struct fw_xferq *q,
struct fw_bufspec *b)
{
int i;
if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF))
return(EBUSY);
q->bulkxfer = (struct fw_bulkxfer *) malloc(
sizeof(struct fw_bulkxfer) * b->nchunk);
if (q->bulkxfer == NULL)
return(ENOMEM);
b->psize = roundup2(b->psize, sizeof(uint32_t));
q->buf = gFirewire->fwdma_malloc_multiseg(sizeof(uint32_t),
b->psize, b->nchunk * b->npacket);
TRACE("fwdev_allocbuf %d\n", b->psize*b->nchunk*b->npacket);
if (q->buf == NULL) {
free(q->bulkxfer);
q->bulkxfer = NULL;
return(ENOMEM);
}
q->bnchunk = b->nchunk;
q->bnpacket = b->npacket;
q->psize = (b->psize + 3) & ~3;
q->queued = 0;
STAILQ_INIT(&q->stvalid);
STAILQ_INIT(&q->stfree);
STAILQ_INIT(&q->stdma);
q->stproc = NULL;
for (i = 0 ; i < q->bnchunk; i++) {
q->bulkxfer[i].poffset = i * q->bnpacket;
STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link);
}
q->flag &= ~FWXFERQ_MODEMASK;
q->flag |= FWXFERQ_STREAM;
q->flag |= FWXFERQ_EXTBUF;
return (0);
}
static int
fwdev_freebuf(struct fw_xferq *q)
{
if (q->flag & FWXFERQ_EXTBUF) {
if (q->buf != NULL)
gFirewire->fwdma_free_multiseg(q->buf);
q->buf = NULL;
free(q->bulkxfer);
q->bulkxfer = NULL;
q->flag &= ~FWXFERQ_EXTBUF;
q->psize = 0;
q->maxq = FWMAXQUEUE;
}
return (0);
}
static status_t
fw_open (const char *name, uint32 flags, void **cookie)
{
int32 count = -1;
int32 i;
struct fw_drv1 *d;
struct firewire_softc *sc = NULL;
*cookie = NULL;
for (i = 0; i < devices_count; i++) {
if (strcmp(name, devices[i]) == 0) {
count = i;
break;
}
}
if (count < 0) {
return B_BAD_VALUE;
}
if (gFirewire->get_handle(count, &sc) != B_OK) {
return ENODEV;
}
if (sc == NULL)
return (ENXIO);
FW_GLOCK(sc->fc);
if (*cookie != NULL) {
FW_GUNLOCK(sc->fc);
return (EBUSY);
}
*cookie = (void *)-1;
FW_GUNLOCK(sc->fc);
*cookie = malloc(sizeof(struct fw_drv1));
if (*cookie == NULL)
return (ENOMEM);
memset(*cookie, 0, sizeof(struct fw_drv1));
d = (struct fw_drv1 *)(*cookie);
d->fc = sc->fc;
STAILQ_INIT(&d->binds);
STAILQ_INIT(&d->rq);
d->rqSem = create_sem(0, "fw_raw rq");
if (d->rqSem < B_OK) {
dprintf("fwraw: failed creating rq semaphore\n");
free(*cookie);
return B_ERROR;
}
return B_OK;
}
static status_t
fw_close (void *cookie)
{
return B_OK;
}
static status_t
fw_free(void *cookie)
{
struct firewire_comm *fc;
struct fw_drv1 *d;
struct fw_xfer *xfer;
struct fw_bind *fwb;
TRACE("fw_free\n");
d = (struct fw_drv1 *)cookie;
delete_sem(d->rqSem);
fc = d->fc;
for (fwb = STAILQ_FIRST(&d->binds); fwb != NULL;
fwb = STAILQ_FIRST(&d->binds)) {
gFirewire->fw_bindremove(fc, fwb);
STAILQ_REMOVE_HEAD(&d->binds, chlist);
gFirewire->fw_xferlist_remove(&fwb->xferlist);
free(fwb);
}
if (d->ir != NULL) {
struct fw_xferq *ir = d->ir;
if ((ir->flag & FWXFERQ_OPEN) == 0)
return (EINVAL);
if (ir->flag & FWXFERQ_RUNNING) {
ir->flag &= ~FWXFERQ_RUNNING;
fc->irx_disable(fc, ir->dmach);
}
fwdev_freebuf(ir);
for (xfer = STAILQ_FIRST(&ir->q);
xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
ir->queued --;
STAILQ_REMOVE_HEAD(&ir->q, link);
xfer->resp = 0;
gFirewire->fw_xfer_done(xfer);
}
ir->flag &= ~(FWXFERQ_OPEN |
FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
d->ir = NULL;
}
if (d->it != NULL) {
struct fw_xferq *it = d->it;
if ((it->flag & FWXFERQ_OPEN) == 0)
return (EINVAL);
if (it->flag & FWXFERQ_RUNNING) {
it->flag &= ~FWXFERQ_RUNNING;
fc->itx_disable(fc, it->dmach);
}
fwdev_freebuf(it);
it->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
d->it = NULL;
}
free(d);
d = NULL;
return B_OK;
}
static int
fw_read_async(struct fw_drv1 *d, off_t position, void *buf, size_t *num_bytes)
{
int err = 0;
struct fw_xfer *xfer;
struct fw_bind *fwb;
struct fw_pkt *fp;
struct tcode_info *tinfo;
cpu_status s;
int len, pbytes = (int)*num_bytes;
*num_bytes = 0;
FW_GLOCK(d->fc);
while ((xfer = STAILQ_FIRST(&d->rq)) == NULL && err == B_OK) {
FW_GUNLOCK(d->fc);
err = acquire_sem_etc(d->rqSem, 1, B_CAN_INTERRUPT | B_TIMEOUT,
B_INFINITE_TIMEOUT);
FW_GLOCK(d->fc);
}
if (err != B_OK) {
FW_GUNLOCK(d->fc);
return (err);
}
s = splfw();
STAILQ_REMOVE_HEAD(&d->rq, link);
FW_GUNLOCK(xfer->fc);
splx(s);
fp = &xfer->recv.hdr;
#if 0
if (fc->irx_post != NULL)
fc->irx_post(fc, fp->mode.ld);
#endif
tinfo = &xfer->fc->tcode[fp->mode.hdr.tcode];
len = tinfo->hdr_len;
len = MIN(len, pbytes);
err = user_memcpy(buf, fp, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
if (err < B_OK) {
goto out;
}
len = xfer->recv.pay_len;
len = MIN(len, pbytes);
err = user_memcpy(buf, (void *)xfer->recv.payload, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
out:
fwb = (struct fw_bind *)xfer->sc;
gFirewire->fw_xfer_unload(xfer);
xfer->recv.pay_len = B_PAGE_SIZE;
FW_GLOCK(xfer->fc);
STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link);
FW_GUNLOCK(xfer->fc);
return (err);
}
* read request.
*/
static status_t
fw_read (void *cookie, off_t position, void *buf, size_t *num_bytes)
{
struct fw_drv1 *d;
struct fw_xferq *ir;
struct firewire_comm *fc;
int err = 0, slept = 0;
struct fw_pkt *fp;
cpu_status s;
int len, pbytes = (int)*num_bytes;
*num_bytes = 0;
d = (struct fw_drv1 *)cookie;
fc = d->fc;
ir = d->ir;
if (ir == NULL)
return (fw_read_async(d, position, buf, num_bytes));
if (ir->buf == NULL)
return (EIO);
FW_GLOCK(fc);
readloop:
if (ir->stproc == NULL) {
ir->stproc = STAILQ_FIRST(&ir->stvalid);
if (ir->stproc != NULL) {
s = splfw();
STAILQ_REMOVE_HEAD(&ir->stvalid, link);
splx(s);
ir->queued = 0;
}
}
if (ir->stproc == NULL) {
if (slept == 0) {
slept = 1;
ir->flag |= FWXFERQ_WAKEUP;
FW_GUNLOCK(fc);
err = acquire_sem_etc(ir->Sem, 1, B_CAN_INTERRUPT | B_TIMEOUT, 1000000);
FW_GLOCK(fc);
ir->flag &= ~FWXFERQ_WAKEUP;
if (err == B_OK)
goto readloop;
} else if (slept == 1)
err = EIO;
FW_GUNLOCK(fc);
return err;
} else if (ir->stproc != NULL) {
FW_GUNLOCK(fc);
fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,
ir->stproc->poffset + ir->queued);
if (fc->irx_post != NULL)
fc->irx_post(fc, fp->mode.ld);
if (fp->mode.stream.len == 0) {
err = EIO;
return err;
}
len = fp->mode.stream.len + sizeof(uint32_t);
len = MIN(len, pbytes);
err = user_memcpy(buf, (void *)fp, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
ir->queued ++;
if (ir->queued >= ir->bnpacket) {
s = splfw();
STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);
splx(s);
fc->irx_enable(fc, ir->dmach);
ir->stproc = NULL;
}
if (pbytes >= ir->psize) {
slept = -1;
FW_GLOCK(fc);
goto readloop;
}
}
return err;
}
static int
fw_write_async(struct fw_drv1 *d, off_t position, const void *buf,
size_t *num_bytes)
{
struct fw_xfer *xfer;
struct fw_pkt pkt;
struct tcode_info *tinfo;
int err;
int len, pbytes = (int)*num_bytes;
*num_bytes = 0;
bzero(&pkt, sizeof(struct fw_pkt));
len = sizeof(uint32_t);
len = MIN(len, pbytes);
err = user_memcpy(&pkt, buf, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
if (err < B_OK)
return (err);
tinfo = &d->fc->tcode[pkt.mode.hdr.tcode];
len = tinfo->hdr_len - sizeof(uint32_t);
len = MIN(len, pbytes);
err = user_memcpy((void*)((caddr_t)&pkt + sizeof(uint32_t)),
buf, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
if (err < B_OK)
return (err);
if ((xfer = gFirewire->fw_xfer_alloc_buf(pbytes,
B_PAGE_SIZE)) == NULL)
return (ENOMEM);
bcopy(&pkt, &xfer->send.hdr, sizeof(struct fw_pkt));
xfer->send.pay_len = pbytes;
if ((err = uiomove((caddr_t)&xfer->send.payload[0],
uio->uio_resid, uio)));// here the FreeBSD's stack author may be careless?
goto out;
}*/
if (pbytes > 0) {
len = pbytes;
err = user_memcpy((void*)&xfer->send.payload[0],
buf, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
if (err < B_OK)
goto out;
}
xfer->fc = d->fc;
xfer->sc = NULL;
xfer->hand = gFirewire->fw_xferwake;
xfer->send.spd = 2 ;
if ((err = gFirewire->fw_asyreq(xfer->fc, -1, xfer)))
goto out;
if ((err = gFirewire->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 B_OK;
}
out:
gFirewire->fw_xfer_free(xfer);
return (err);
}
static status_t
fw_write (void *cookie, off_t position, const void *buf, size_t *num_bytes)
{
int err = 0;
int slept = 0;
struct fw_drv1 *d;
struct fw_pkt *fp;
struct firewire_comm *fc;
struct fw_xferq *it;
cpu_status s;
int len, pbytes = (int)*num_bytes;
*num_bytes = 0;
d = (struct fw_drv1 *)cookie;
fc = d->fc;
it = d->it;
if (it == NULL)
return (fw_write_async(d, position, buf, num_bytes));
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
err = fc->itx_enable(fc, it->dmach);
if (err)
goto out;
#endif
FW_GUNLOCK(fc);
err = acquire_sem_etc(it->Sem, 1, B_CAN_INTERRUPT | B_TIMEOUT, 1000000);
FW_GLOCK(fc);
if (err < B_OK)
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);
len = sizeof(struct fw_isohdr);
len = MIN(len, pbytes);
err = user_memcpy(fp, buf, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
len = fp->mode.stream.len;
len = MIN(len, pbytes);
err = user_memcpy(fp->mode.stream.payload, buf, len);
pbytes -= len;
*num_bytes += len;
buf = (void *)((caddr_t)buf + len);
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 (pbytes >= 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 = (struct fw_drv1 *)fwb->sc;
FW_GLOCK(xfer->fc);
STAILQ_INSERT_TAIL(&d->rq, xfer, link);
FW_GUNLOCK(xfer->fc);
release_sem_etc(d->rqSem, 1, B_DO_NOT_RESCHEDULE);
}
* ioctl support.
*/
static status_t
fw_ioctl (void *cookie, uint32 cmd, void *data, size_t length)
{
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 (!data)
return(EINVAL);
d = (struct fw_drv1 *)cookie;
fc = d->fc;
ir = d->ir;
it = d->it;
switch (cmd) {
case FW_STSTREAM:
if (it == NULL) {
i = gFirewire->fw_open_isodma(fc, 1);
if (i < 0) {
err = EBUSY;
break;
}
it = fc->it[i];
err = fwdev_allocbuf(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 = gFirewire->fw_open_isodma(fc, 0);
if (i < 0) {
err = EBUSY;
break;
}
ir = fc->ir[i];
err = fwdev_allocbuf(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 = gFirewire->fw_xfer_alloc_buf(pay_len, B_PAGE_SIZE);
if (xfer == NULL)
return (ENOMEM);
switch (asyreq->req.type) {
case FWASREQNODE:
break;
case FWASREQEUI:
fwdev = gFirewire->fw_noderesolve_eui64(fc,
&asyreq->req.dst.eui);
if (fwdev == NULL) {
dprintf("FWASREQEUI cannot find node\n");
err = EINVAL;
goto out;
}
fp->mode.hdr.dst = FWLOCALBUS | fwdev->dst;
break;
case FWASRESTL:
break;
case FWASREQSTREAM:
break;
}
bcopy(fp, (void *)&xfer->send.hdr, tinfo->hdr_len);
if (pay_len > 0)
bcopy((char *)fp + tinfo->hdr_len,
(void *)xfer->send.payload, pay_len);
xfer->send.spd = asyreq->req.sped;
xfer->hand = gFirewire->fw_xferwake;
if ((err = gFirewire->fw_asyreq(fc, -1, xfer)) != 0)
goto out;
if ((err = gFirewire->fw_xferwait(xfer)) != 0)
goto out;
if (xfer->resp != 0) {
err = EIO;
goto out;
}
if ((tinfo->flag & FWTI_TLABEL) == 0)
goto out;
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:
gFirewire->fw_xfer_free_buf(xfer);
break;
}
case FW_IBUSRST:
fc->ibr(fc);
break;
case FW_CBINDADDR:
fwb = gFirewire->fw_bindlookup(fc,
bindreq->start.hi, bindreq->start.lo);
if (fwb == NULL) {
err = EINVAL;
break;
}
gFirewire->fw_bindremove(fc, fwb);
STAILQ_REMOVE(&d->binds, fwb, fw_bind, chlist);
gFirewire->fw_xferlist_remove(&fwb->xferlist);
free(fwb);
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));
if (fwb == NULL) {
err = ENOMEM;
break;
}
fwb->start = ((u_int64_t)bindreq->start.hi << 32) |
bindreq->start.lo;
fwb->end = fwb->start + bindreq->len;
fwb->sc = (void *)d;
STAILQ_INIT(&fwb->xferlist);
err = gFirewire->fw_bindadd(fc, fwb);
if (err == 0) {
gFirewire->fw_xferlist_add(&fwb->xferlist,
B_PAGE_SIZE, B_PAGE_SIZE, 5,
fc, (void *)fwb, fw_hand);
STAILQ_INSERT_TAIL(&d->binds, fwb, chlist);
}
break;
case FW_GDEVLST:
i = len = 1;
devinfo = &fwdevlst->dev[0];
devinfo->dst = fc->nodeid;
devinfo->status = 0;
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;
}
ptr = malloc(CROMSIZE);
len = CROMSIZE;
for (i = 0; i < CROMSIZE / 4; i++)
((uint32_t *)ptr)[i]
= B_BENDIAN_TO_HOST_INT32(fc->config_rom[i]);
} else {
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 = user_memcpy(crom_buf->ptr, ptr, len);
if (fwdev == NULL)
free(ptr);
break;
default:
fc->ioctl (fc, cmd, data, length);
break;
}
return err;
}
status_t
init_hardware()
{
return B_OK;
}
const char **
publish_devices(void)
{
return (const char **)devices;
}
static device_hooks hooks = {
&fw_open,
&fw_close,
&fw_free,
&fw_ioctl,
&fw_read,
&fw_write,
NULL,
NULL,
NULL,
NULL
};
device_hooks *
find_device(const char *name)
{
return &hooks;
}
status_t
init_driver()
{
status_t err;
struct firewire_softc *sc = NULL;
uint32 i;
#if DEBUG && !defined(__HAIKU__)
load_driver_symbols("fw_raw");
#endif
if ((err = get_module(FIREWIRE_MODULE_NAME, (module_info **)&gFirewire)) != B_OK) {
dprintf("fw_raw: couldn't load "FIREWIRE_MODULE_NAME"\n");
return err;
}
devices_count = 0;
while (gFirewire->get_handle(devices_count, &sc) == B_OK) {
devices_count++;
}
if (devices_count <= 0) {
put_module(FIREWIRE_MODULE_NAME);
return ENODEV;
}
devices = malloc(sizeof(char *) * (devices_count + 1));
if (!devices) {
put_module(FIREWIRE_MODULE_NAME);
return ENOMEM;
}
for (i = 0; i < devices_count; i++) {
devices[i] = strdup(fwname);
snprintf(devices[i], FWNAMEMAX, fwname, i);
}
devices[devices_count] = NULL;
TRACE("fw_raw init_driver returns OK\n");
return B_OK;
}
void
uninit_driver()
{
int32 i = 0;
for (i = 0; i < devices_count; i++) {
free(devices[i]);
}
free(devices);
devices = NULL;
put_module(FIREWIRE_MODULE_NAME);
}
