diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/usb-hub.c | 52 |
1 files changed, 42 insertions, 10 deletions
diff --git a/hw/usb-hub.c b/hw/usb-hub.c index 6f6e429a08..fd916128cf 100644 --- a/hw/usb-hub.c +++ b/hw/usb-hub.c @@ -158,9 +158,9 @@ static const uint8_t qemu_hub_hub_descriptor[] = 0x0a, /* u16 wHubCharacteristics; */ 0x00, /* (per-port OC, no power switching) */ 0x01, /* u8 bPwrOn2pwrGood; 2ms */ - 0x00, /* u8 bHubContrCurrent; 0 mA */ - 0x00, /* u8 DeviceRemovable; *** 7 Ports max *** */ - 0xff /* u8 PortPwrCtrlMask; *** 7 ports max *** */ + 0x00 /* u8 bHubContrCurrent; 0 mA */ + + /* DeviceRemovable and PortPwrCtrlMask patched in later */ }; static void usb_hub_attach(USBPort *port1, USBDevice *dev) @@ -219,6 +219,12 @@ static int usb_hub_handle_control(USBDevice *dev, int request, int value, } ret = 0; break; + case EndpointOutRequest | USB_REQ_CLEAR_FEATURE: + if (value == 0 && index != 0x81) { /* clear ep halt */ + goto fail; + } + ret = 0; + break; case DeviceOutRequest | USB_REQ_SET_FEATURE: if (value == USB_DEVICE_REMOTE_WAKEUP) { dev->remote_wakeup = 1; @@ -241,6 +247,11 @@ static int usb_hub_handle_control(USBDevice *dev, int request, int value, case USB_DT_CONFIG: memcpy(data, qemu_hub_config_descriptor, sizeof(qemu_hub_config_descriptor)); + + /* status change endpoint size based on number + * of ports */ + data[22] = (s->nb_ports + 1 + 7) / 8; + ret = sizeof(qemu_hub_config_descriptor); break; case USB_DT_STRING: @@ -385,11 +396,29 @@ static int usb_hub_handle_control(USBDevice *dev, int request, int value, } break; case GetHubDescriptor: - memcpy(data, qemu_hub_hub_descriptor, - sizeof(qemu_hub_hub_descriptor)); - data[2] = s->nb_ports; - ret = sizeof(qemu_hub_hub_descriptor); - break; + { + unsigned int n, limit, var_hub_size = 0; + memcpy(data, qemu_hub_hub_descriptor, + sizeof(qemu_hub_hub_descriptor)); + data[2] = s->nb_ports; + + /* fill DeviceRemovable bits */ + limit = ((s->nb_ports + 1 + 7) / 8) + 7; + for (n = 7; n < limit; n++) { + data[n] = 0x00; + var_hub_size++; + } + + /* fill PortPwrCtrlMask bits */ + limit = limit + ((s->nb_ports + 7) / 8); + for (;n < limit; n++) { + data[n] = 0xff; + var_hub_size++; + } + + ret = sizeof(qemu_hub_hub_descriptor) + var_hub_size; + break; + } default: fail: ret = USB_RET_STALL; @@ -411,8 +440,11 @@ static int usb_hub_handle_data(USBDevice *dev, int pid, unsigned int status; int i, n; n = (s->nb_ports + 1 + 7) / 8; - if (n > len) + if (len == 1) { /* FreeBSD workaround */ + n = 1; + } else if (n > len) { return USB_RET_BABBLE; + } status = 0; for(i = 0; i < s->nb_ports; i++) { port = &s->ports[i]; @@ -425,7 +457,7 @@ static int usb_hub_handle_data(USBDevice *dev, int pid, } ret = n; } else { - ret = 0; + ret = USB_RET_NAK; /* usb11 11.13.1 */ } } else { goto fail; |