diff options
Diffstat (limited to 'hw/usb/host-libusb.c')
| -rw-r--r-- | hw/usb/host-libusb.c | 76 |
1 files changed, 63 insertions, 13 deletions
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c index 8007d1d156..afbf1563f4 100644 --- a/hw/usb/host-libusb.c +++ b/hw/usb/host-libusb.c @@ -111,6 +111,7 @@ struct USBHostRequest { unsigned char *buffer; unsigned char *cbuf; unsigned int clen; + bool usb3ep0quirk; QTAILQ_ENTRY(USBHostRequest) next; }; @@ -146,6 +147,10 @@ static void usb_host_attach_kernel(USBHostDevice *s); #define BULK_TIMEOUT 0 /* unlimited */ #define INTR_TIMEOUT 0 /* unlimited */ +#if LIBUSBX_API_VERSION >= 0x01000103 +# define HAVE_STREAMS 1 +#endif + static const char *speed_name[] = { [LIBUSB_SPEED_UNKNOWN] = "?", [LIBUSB_SPEED_LOW] = "1.5", @@ -346,6 +351,13 @@ static void usb_host_req_complete_ctrl(struct libusb_transfer *xfer) r->p->actual_length = xfer->actual_length; if (r->in && xfer->actual_length) { memcpy(r->cbuf, r->buffer + 8, xfer->actual_length); + + /* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices + * to work redirected to a not superspeed capable hcd */ + if (r->usb3ep0quirk && xfer->actual_length >= 18 && + r->cbuf[7] == 9) { + r->cbuf[7] = 64; + } } trace_usb_host_req_complete(s->bus_num, s->addr, r->p, r->p->status, r->p->actual_length); @@ -672,11 +684,17 @@ static void usb_host_iso_data_out(USBHostDevice *s, USBPacket *p) /* ------------------------------------------------------------------------ */ -static bool usb_host_full_speed_compat(USBHostDevice *s) +static void usb_host_speed_compat(USBHostDevice *s) { + USBDevice *udev = USB_DEVICE(s); struct libusb_config_descriptor *conf; const struct libusb_interface_descriptor *intf; const struct libusb_endpoint_descriptor *endp; +#ifdef HAVE_STREAMS + struct libusb_ss_endpoint_companion_descriptor *endp_ss_comp; +#endif + bool compat_high = true; + bool compat_full = true; uint8_t type; int rc, c, i, a, e; @@ -693,10 +711,27 @@ static bool usb_host_full_speed_compat(USBHostDevice *s) type = endp->bmAttributes & 0x3; switch (type) { case 0x01: /* ISO */ - return false; + compat_full = false; + compat_high = false; + break; + case 0x02: /* BULK */ +#ifdef HAVE_STREAMS + rc = libusb_get_ss_endpoint_companion_descriptor + (ctx, endp, &endp_ss_comp); + if (rc == LIBUSB_SUCCESS) { + libusb_free_ss_endpoint_companion_descriptor + (endp_ss_comp); + compat_full = false; + compat_high = false; + } +#endif + break; case 0x03: /* INTERRUPT */ if (endp->wMaxPacketSize > 64) { - return false; + compat_full = false; + } + if (endp->wMaxPacketSize > 1024) { + compat_high = false; } break; } @@ -705,7 +740,17 @@ static bool usb_host_full_speed_compat(USBHostDevice *s) } libusb_free_config_descriptor(conf); } - return true; + + udev->speedmask = (1 << udev->speed); + if (udev->speed == USB_SPEED_SUPER && compat_high) { + udev->speedmask |= USB_SPEED_HIGH; + } + if (udev->speed == USB_SPEED_SUPER && compat_full) { + udev->speedmask |= USB_SPEED_FULL; + } + if (udev->speed == USB_SPEED_HIGH && compat_full) { + udev->speedmask |= USB_SPEED_FULL; + } } static void usb_host_ep_update(USBHostDevice *s) @@ -720,7 +765,7 @@ static void usb_host_ep_update(USBHostDevice *s) struct libusb_config_descriptor *conf; const struct libusb_interface_descriptor *intf; const struct libusb_endpoint_descriptor *endp; -#if LIBUSBX_API_VERSION >= 0x01000103 +#ifdef HAVE_STREAMS struct libusb_ss_endpoint_companion_descriptor *endp_ss_comp; #endif uint8_t devep, type; @@ -768,7 +813,7 @@ static void usb_host_ep_update(USBHostDevice *s) usb_ep_set_type(udev, pid, ep, type); usb_ep_set_ifnum(udev, pid, ep, i); usb_ep_set_halted(udev, pid, ep, 0); -#if LIBUSBX_API_VERSION >= 0x01000103 +#ifdef HAVE_STREAMS if (type == LIBUSB_TRANSFER_TYPE_BULK && libusb_get_ss_endpoint_companion_descriptor(ctx, endp, &endp_ss_comp) == LIBUSB_SUCCESS) { @@ -813,10 +858,7 @@ static int usb_host_open(USBHostDevice *s, libusb_device *dev) usb_host_ep_update(s); udev->speed = speed_map[libusb_get_device_speed(dev)]; - udev->speedmask = (1 << udev->speed); - if (udev->speed == USB_SPEED_HIGH && usb_host_full_speed_compat(s)) { - udev->speedmask |= USB_SPEED_MASK_FULL; - } + usb_host_speed_compat(s); if (s->ddesc.iProduct) { libusb_get_string_descriptor_ascii(s->dh, s->ddesc.iProduct, @@ -1162,6 +1204,14 @@ static void usb_host_handle_control(USBDevice *udev, USBPacket *p, memcpy(r->buffer + 8, r->cbuf, r->clen); } + /* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices + * to work redirected to a not superspeed capable hcd */ + if (udev->speed == USB_SPEED_SUPER && + !((udev->port->speedmask & USB_SPEED_MASK_SUPER)) && + request == 0x8006 && value == 0x100 && index == 0) { + r->usb3ep0quirk = true; + } + libusb_fill_control_transfer(r->xfer, s->dh, r->buffer, usb_host_req_complete_ctrl, r, CONTROL_TIMEOUT); @@ -1215,7 +1265,7 @@ static void usb_host_handle_data(USBDevice *udev, USBPacket *p) } ep = p->ep->nr | (r->in ? USB_DIR_IN : 0); if (p->stream) { -#if LIBUSBX_API_VERSION >= 0x01000103 +#ifdef HAVE_STREAMS libusb_fill_bulk_stream_transfer(r->xfer, s->dh, ep, p->stream, r->buffer, size, usb_host_req_complete_data, r, @@ -1296,7 +1346,7 @@ static void usb_host_handle_reset(USBDevice *udev) static int usb_host_alloc_streams(USBDevice *udev, USBEndpoint **eps, int nr_eps, int streams) { -#if LIBUSBX_API_VERSION >= 0x01000103 +#ifdef HAVE_STREAMS USBHostDevice *s = USB_HOST_DEVICE(udev); unsigned char endpoints[30]; int i, rc; @@ -1326,7 +1376,7 @@ static int usb_host_alloc_streams(USBDevice *udev, USBEndpoint **eps, static void usb_host_free_streams(USBDevice *udev, USBEndpoint **eps, int nr_eps) { -#if LIBUSBX_API_VERSION >= 0x01000103 +#ifdef HAVE_STREAMS USBHostDevice *s = USB_HOST_DEVICE(udev); unsigned char endpoints[30]; int i; |