ssize_t API_EXPORTED libusb_get_device_list(libusb_context *ctx,
libusb_device ***list)
{
struct discovered_devs *discdevs = discovered_devs_alloc();
struct libusb_device **ret;
int r = 0;
ssize_t i, len;
USBI_GET_CONTEXT(ctx);
usbi_dbg("");
if (!discdevs)
return LIBUSB_ERROR_NO_MEM;
if (libusb_has_capability(LIBUSB_CAP_HAS_HOTPLUG)) {
struct libusb_device *dev;
if (usbi_backend->hotplug_poll)
usbi_backend->hotplug_poll();
usbi_mutex_lock(&ctx->usb_devs_lock);
list_for_each_entry(dev, &ctx->usb_devs, list, struct libusb_device) {
discdevs = discovered_devs_append(discdevs, dev);
if (!discdevs) {
r = LIBUSB_ERROR_NO_MEM;
break;
}
}
usbi_mutex_unlock(&ctx->usb_devs_lock);
} else {
static int usbdk_get_device_list(struct libusb_context *ctx, struct discovered_devs **_discdevs)
{
int r = LIBUSB_SUCCESS;
ULONG i;
struct discovered_devs *discdevs = NULL;
ULONG dev_number;
PUSB_DK_DEVICE_INFO devices;
if(!usbdk_helper.GetDevicesList(&devices, &dev_number))
return LIBUSB_ERROR_OTHER;
for (i = 0; i < dev_number; i++) {
unsigned long session_id;
struct libusb_device *dev = NULL;
if (usbdk_get_session_id_for_device(ctx, &devices[i].ID, &session_id))
continue;
dev = usbi_get_device_by_session_id(ctx, session_id);
if (dev == NULL) {
dev = usbi_alloc_device(ctx, session_id);
if (dev == NULL) {
usbi_err(ctx, "failed to allocate a new device structure");
continue;
}
usbdk_device_init(dev, &devices[i]);
if (usbdk_device_priv_init(ctx, dev, &devices[i]) != LIBUSB_SUCCESS) {
libusb_unref_device(dev);
continue;
}
}
discdevs = discovered_devs_append(*_discdevs, dev);
libusb_unref_device(dev);
if (!discdevs) {
usbi_err(ctx, "cannot append new device to list");
r = LIBUSB_ERROR_NO_MEM;
goto func_exit;
}
*_discdevs = discdevs;
}
func_exit:
usbdk_helper.ReleaseDevicesList(devices);
return r;
}
int
obsd_get_device_list(struct libusb_context * ctx,
struct discovered_devs **discdevs)
{
struct libusb_device *dev;
struct device_priv *dpriv;
struct usb_device_info di;
unsigned long session_id;
char devnode[16];
int fd, err, i;
usbi_dbg("");
for (i = 0; i < USB_MAX_DEVICES; i++) {
snprintf(devnode, sizeof(devnode), "/dev/ugen%d.00", i);
if ((fd = open(devnode, O_RDONLY)) < 0) {
if (errno != ENOENT && errno != ENXIO)
usbi_err(ctx, "could not open %s", devnode);
continue;
}
if (ioctl(fd, USB_GET_DEVICEINFO, &di) < 0)
continue;
session_id = (di.udi_bus << 8 | di.udi_addr);
dev = usbi_get_device_by_session_id(ctx, session_id);
if (dev == NULL) {
dev = usbi_alloc_device(ctx, session_id);
if (dev == NULL)
return (LIBUSB_ERROR_NO_MEM);
dev->bus_number = di.udi_bus;
dev->device_address = di.udi_addr;
dev->speed = di.udi_speed;
dpriv = (struct device_priv *)dev->os_priv;
strlcpy(dpriv->devnode, devnode, sizeof(devnode));
dpriv->fd = -1;
if (ioctl(fd, USB_GET_DEVICE_DESC, &dpriv->ddesc) < 0) {
err = errno;
goto error;
}
dpriv->cdesc = NULL;
if (_cache_active_config_descriptor(dev, fd)) {
err = errno;
goto error;
}
if ((err = usbi_sanitize_device(dev)))
goto error;
}
close(fd);
if (discovered_devs_append(*discdevs, dev) == NULL)
return (LIBUSB_ERROR_NO_MEM);
}
return (LIBUSB_SUCCESS);
error:
close(fd);
libusb_unref_device(dev);
return _errno_to_libusb(err);
}
static int
sunos_add_devices(di_devlink_t link, void *arg)
{
struct devlink_cbarg *largs = (struct devlink_cbarg *)arg;
struct node_args *nargs;
di_node_t myself, pnode;
uint64_t session_id = 0;
uint16_t bdf = 0;
struct libusb_device *dev;
sunos_dev_priv_t *devpriv;
const char *path, *newpath;
int n, i;
int *addr_prop;
uint8_t bus_number = 0;
nargs = (struct node_args *)largs->nargs;
myself = largs->myself;
if (nargs->last_ugenpath) {
/* the same node's links */
return (DI_WALK_CONTINUE);
}
/*
* Construct session ID.
* session ID = ...parent hub addr|hub addr|dev addr.
*/
pnode = myself;
i = 0;
while (pnode != DI_NODE_NIL) {
if (di_prop_exists(DDI_DEV_T_ANY, pnode, "root-hub") == 1) {
/* walk to root */
uint32_t *regbuf = NULL;
uint32_t reg;
n = di_prop_lookup_ints(DDI_DEV_T_ANY, pnode, "reg",
(int **)®buf);
reg = regbuf[0];
bdf = (PCI_REG_BUS_G(reg) << 8) |
(PCI_REG_DEV_G(reg) << 3) | PCI_REG_FUNC_G(reg);
session_id |= (bdf << i * 8);
/* same as 'unit-address' property */
bus_number =
(PCI_REG_DEV_G(reg) << 3) | PCI_REG_FUNC_G(reg);
usbi_dbg("device bus address=%s:%x",
di_bus_addr(pnode), bus_number);
break;
}
/* usb_addr */
n = di_prop_lookup_ints(DDI_DEV_T_ANY, pnode,
"assigned-address", &addr_prop);
if ((n != 1) || (addr_prop[0] == 0)) {
usbi_dbg("cannot get valid usb_addr");
return (DI_WALK_CONTINUE);
}
session_id |= ((addr_prop[0] & 0xff) << i * 8);
if (++i > 7)
break;
pnode = di_parent_node(pnode);
}
path = di_devlink_path(link);
dev = usbi_get_device_by_session_id(nargs->ctx, session_id);
if (dev == NULL) {
dev = usbi_alloc_device(nargs->ctx, session_id);
if (dev == NULL) {
usbi_dbg("can't alloc device");
return (DI_WALK_TERMINATE);
}
devpriv = (sunos_dev_priv_t *)dev->os_priv;
if ((newpath = strrchr(path, '/')) == NULL) {
libusb_unref_device(dev);
return (DI_WALK_TERMINATE);
}
devpriv->ugenpath = strndup(path, strlen(path) -
strlen(newpath));
dev->bus_number = bus_number;
if (sunos_fill_in_dev_info(myself, dev) != LIBUSB_SUCCESS) {
libusb_unref_device(dev);
return (DI_WALK_TERMINATE);
}
if (usbi_sanitize_device(dev) < 0) {
libusb_unref_device(dev);
usbi_dbg("sanatize failed: ");
return (DI_WALK_TERMINATE);
}
} else {
usbi_dbg("Dev %s exists", path);
}
devpriv = (sunos_dev_priv_t *)dev->os_priv;
if (nargs->last_ugenpath == NULL) {
/* first device */
nargs->last_ugenpath = devpriv->ugenpath;
if (discovered_devs_append(*(nargs->discdevs), dev) == NULL) {
usbi_dbg("cannot append device");
}
/*
* we alloc and hence ref this dev. We don't need to ref it
* hereafter. Front end or app should take care of their ref.
*/
libusb_unref_device(dev);
}
usbi_dbg("Device %s %s id=0x%llx, devcount:%d, bdf=%x",
devpriv->ugenpath, path, (uint64_t)session_id,
(*nargs->discdevs)->len, bdf);
return (DI_WALK_CONTINUE);
}
int
obsd_get_device_list(struct libusb_context * ctx,
struct discovered_devs **discdevs)
{
struct discovered_devs *ddd;
struct libusb_device *dev;
struct device_priv *dpriv;
struct usb_device_info di;
struct usb_device_ddesc dd;
unsigned long session_id;
char devices[USB_MAX_DEVICES];
char busnode[16];
char *udevname;
int fd, addr, i, j;
usbi_dbg("");
for (i = 0; i < 8; i++) {
snprintf(busnode, sizeof(busnode), USBDEV "%d", i);
if ((fd = open(busnode, O_RDWR)) < 0) {
if (errno != ENOENT && errno != ENXIO)
usbi_err(ctx, "could not open %s", busnode);
continue;
}
bzero(devices, sizeof(devices));
for (addr = 1; addr < USB_MAX_DEVICES; addr++) {
if (devices[addr])
continue;
di.udi_addr = addr;
if (ioctl(fd, USB_DEVICEINFO, &di) < 0)
continue;
/*
* XXX If ugen(4) is attached to the USB device
* it will be used.
*/
udevname = NULL;
for (j = 0; j < USB_MAX_DEVNAMES; j++)
if (!strncmp("ugen", di.udi_devnames[j], 4)) {
udevname = strdup(di.udi_devnames[j]);
break;
}
session_id = (di.udi_bus << 8 | di.udi_addr);
dev = usbi_get_device_by_session_id(ctx, session_id);
if (dev == NULL) {
dev = usbi_alloc_device(ctx, session_id);
if (dev == NULL) {
close(fd);
return (LIBUSB_ERROR_NO_MEM);
}
dev->bus_number = di.udi_bus;
dev->device_address = di.udi_addr;
dev->speed = di.udi_speed;
dpriv = (struct device_priv *)dev->os_priv;
dpriv->fd = -1;
dpriv->cdesc = NULL;
dpriv->devname = udevname;
dd.udd_bus = di.udi_bus;
dd.udd_addr = di.udi_addr;
if (ioctl(fd, USB_DEVICE_GET_DDESC, &dd) < 0) {
libusb_unref_device(dev);
continue;
}
dpriv->ddesc = dd.udd_desc;
if (_cache_active_config_descriptor(dev)) {
libusb_unref_device(dev);
continue;
}
if (usbi_sanitize_device(dev)) {
libusb_unref_device(dev);
continue;
}
}
ddd = discovered_devs_append(*discdevs, dev);
if (ddd == NULL) {
close(fd);
return (LIBUSB_ERROR_NO_MEM);
}
libusb_unref_device(dev);
*discdevs = ddd;
devices[addr] = 1;
}
close(fd);
}
return (LIBUSB_SUCCESS);
}
static int wince_get_device_list(
struct libusb_context *ctx,
struct discovered_devs **discdevs)
{
UKW_DEVICE devices[MAX_DEVICE_COUNT];
struct discovered_devs * new_devices = *discdevs;
DWORD count = 0, i;
struct libusb_device *dev = NULL;
unsigned char bus_addr, dev_addr;
unsigned long session_id;
BOOL success;
DWORD release_list_offset = 0;
int r = LIBUSB_SUCCESS;
success = UkwGetDeviceList(driver_handle, devices, MAX_DEVICE_COUNT, &count);
if (!success) {
int libusbErr = translate_driver_error(GetLastError());
usbi_err(ctx, "could not get devices: %s", windows_error_str(0));
return libusbErr;
}
for(i = 0; i < count; ++i) {
release_list_offset = i;
success = UkwGetDeviceAddress(devices[i], &bus_addr, &dev_addr, &session_id);
if (!success) {
r = translate_driver_error(GetLastError());
usbi_err(ctx, "could not get device address for %d: %s", i, windows_error_str(0));
goto err_out;
}
dev = usbi_get_device_by_session_id(ctx, session_id);
if (dev) {
usbi_dbg("using existing device for %d/%d (session %ld)",
bus_addr, dev_addr, session_id);
libusb_ref_device(dev);
// Release just this element in the device list (as we already hold a
// reference to it).
UkwReleaseDeviceList(driver_handle, &devices[i], 1);
release_list_offset++;
} else {
usbi_dbg("allocating new device for %d/%d (session %ld)",
bus_addr, dev_addr, session_id);
dev = usbi_alloc_device(ctx, session_id);
if (!dev) {
r = LIBUSB_ERROR_NO_MEM;
goto err_out;
}
r = init_device(dev, devices[i], bus_addr, dev_addr);
if (r < 0)
goto err_out;
r = usbi_sanitize_device(dev);
if (r < 0)
goto err_out;
}
new_devices = discovered_devs_append(new_devices, dev);
if (!discdevs) {
r = LIBUSB_ERROR_NO_MEM;
goto err_out;
}
safe_unref_device(dev);
}
*discdevs = new_devices;
return r;
err_out:
*discdevs = new_devices;
safe_unref_device(dev);
// Release the remainder of the unprocessed device list.
// The devices added to new_devices already will still be passed up to libusb,
// which can dispose of them at its leisure.
UkwReleaseDeviceList(driver_handle, &devices[release_list_offset], count - release_list_offset);
return r;
}
