int
rump_shmif_create(const char *path, int *ifnum)
{
struct shmif_sc *sc;
vmem_addr_t t;
int unit, error;
int memfd = -1; /* XXXgcc */
if (path) {
error = rumpuser_open(path,
RUMPUSER_OPEN_RDWR | RUMPUSER_OPEN_CREATE, &memfd);
if (error)
return error;
}
error = vmem_xalloc(shmif_units, 1, 0, 0, 0,
VMEM_ADDR_MIN, VMEM_ADDR_MAX, VM_INSTANTFIT | VM_SLEEP, &t);
if (error != 0) {
if (path)
rumpuser_close(memfd);
return error;
}
unit = t - 1;
if ((error = allocif(unit, &sc)) != 0) {
if (path)
rumpuser_close(memfd);
return error;
}
if (!path)
goto out;
error = initbackend(sc, memfd);
if (error) {
shmif_unclone(&sc->sc_ec.ec_if);
return error;
}
sc->sc_backfilelen = strlen(path)+1;
sc->sc_backfile = kmem_alloc(sc->sc_backfilelen, KM_SLEEP);
strcpy(sc->sc_backfile, path);
out:
if (ifnum)
*ifnum = unit;
return 0;
}
int
scsitest_match(device_t parent, cfdata_t match, void *aux)
{
#ifdef USE_TOSI_ISO
uint64_t fsize;
int error, ft;
if (rumpuser_getfileinfo(MYCDISO, &fsize, &ft, &error))
return 0;
if (ft != RUMPUSER_FT_REG)
return 0;
mycdsize = fsize / CDBLOCKSIZE;
if ((isofd = rumpuser_open(MYCDISO, RUMPUSER_OPEN_RDWR, &error)) == -1)
return 0;
#else
/*
* We pretend to have a medium present initially, so != -1.
*/
isofd = -2;
#endif
return 1;
}
static int
shmif_ioctl(struct ifnet *ifp, u_long cmd, void *data)
{
struct shmif_sc *sc = ifp->if_softc;
struct ifdrv *ifd;
char *path;
int s, rv, memfd;
s = splnet();
switch (cmd) {
case SIOCGLINKSTR:
ifd = data;
if (sc->sc_backfilelen == 0) {
rv = ENOENT;
break;
}
ifd->ifd_len = sc->sc_backfilelen;
if (ifd->ifd_cmd == IFLINKSTR_QUERYLEN) {
rv = 0;
break;
}
if (ifd->ifd_cmd != 0) {
rv = EINVAL;
break;
}
rv = copyoutstr(sc->sc_backfile, ifd->ifd_data,
MIN(sc->sc_backfilelen, ifd->ifd_len), NULL);
break;
case SIOCSLINKSTR:
if (ifp->if_flags & IFF_UP) {
rv = EBUSY;
break;
}
ifd = data;
if (ifd->ifd_cmd == IFLINKSTR_UNSET) {
finibackend(sc);
rv = 0;
break;
} else if (ifd->ifd_cmd != 0) {
rv = EINVAL;
break;
} else if (sc->sc_backfile) {
rv = EBUSY;
break;
}
if (ifd->ifd_len > MAXPATHLEN) {
rv = E2BIG;
break;
} else if (ifd->ifd_len < 1) {
rv = EINVAL;
break;
}
path = kmem_alloc(ifd->ifd_len, KM_SLEEP);
rv = copyinstr(ifd->ifd_data, path, ifd->ifd_len, NULL);
if (rv) {
kmem_free(path, ifd->ifd_len);
break;
}
rv = rumpuser_open(path,
RUMPUSER_OPEN_RDWR | RUMPUSER_OPEN_CREATE, &memfd);
if (rv) {
kmem_free(path, ifd->ifd_len);
break;
}
rv = initbackend(sc, memfd);
if (rv) {
kmem_free(path, ifd->ifd_len);
rumpuser_close(memfd);
break;
}
sc->sc_backfile = path;
sc->sc_backfilelen = ifd->ifd_len;
break;
default:
rv = ether_ioctl(ifp, cmd, data);
if (rv == ENETRESET)
rv = 0;
break;
}
splx(s);
return rv;
}
static int
virtif_create(struct ifaliasreq *ia, struct ifnet **ifpp)
{
struct virtif_sc *sc;
struct ifreq ifr;
struct ifnet *ifp;
uint8_t enaddr[ETHER_ADDR_LEN] = { 0xb2, 0x0a, 0x00, 0x0b, 0x0e, 0x01 };
int fd, rv, error;
int mynum;
/*
* XXX: this is currently un-sane. Need to figure out a way
* to configure this with a bridge into a sane network without
* hardcoding it.
*/
fd = rumpuser_open("/dev/tap0", O_RDWR, &error);
if (fd == -1) {
printf("virtif_create: can't open /dev/tap %d\n", error);
return error;
}
sc = kmem_zalloc(sizeof(*sc), KM_SLEEP);
rv = rumpuser_ioctl(fd, TAPGIFNAME, &ifr, &error);
if (rv == -1) {
kmem_free(sc, sizeof(*sc));
return error;
}
strlcpy(sc->sc_tapname, ifr.ifr_name, IFNAMSIZ);
sc->sc_tapfd = fd;
ifp = &sc->sc_if;
mynum = nunits++;
sprintf(ifp->if_xname, "%s%d", VIRTIF_BASE, mynum);
ifp->if_softc = sc;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_init = virtif_init;
ifp->if_ioctl = virtif_ioctl;
ifp->if_start = virtif_start;
ifp->if_stop = virtif_stop;
if (rump_threads) {
rv = kthread_create(PRI_NONE, 0, NULL, virtif_worker, ifp,
NULL, "virtifi");
if (rv) {
kmem_free(sc, sizeof(*sc));
return rv;
}
} else {
printf("WARNING: threads not enabled, receive NOT working\n");
}
if_attach(ifp);
ether_ifattach(ifp, enaddr);
if (ia)
configaddr(ifp, ia);
if (ifpp)
*ifpp = ifp;
return 0;
}
