diff options
Diffstat (limited to 'hw/usb-msd.c')
| -rw-r--r-- | hw/usb-msd.c | 167 |
1 files changed, 63 insertions, 104 deletions
diff --git a/hw/usb-msd.c b/hw/usb-msd.c index 0a95d8d506..20ab886747 100644 --- a/hw/usb-msd.c +++ b/hw/usb-msd.c @@ -11,6 +11,7 @@ #include "qemu-option.h" #include "qemu-config.h" #include "usb.h" +#include "usb-desc.h" #include "scsi.h" #include "console.h" #include "monitor.h" @@ -72,69 +73,62 @@ struct usb_msd_csw { uint8_t status; }; -static const uint8_t qemu_msd_dev_descriptor[] = { - 0x12, /* u8 bLength; */ - 0x01, /* u8 bDescriptorType; Device */ - 0x00, 0x01, /* u16 bcdUSB; v1.0 */ - - 0x00, /* u8 bDeviceClass; */ - 0x00, /* u8 bDeviceSubClass; */ - 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */ - 0x08, /* u8 bMaxPacketSize0; 8 Bytes */ - - /* Vendor and product id are arbitrary. */ - 0x00, 0x00, /* u16 idVendor; */ - 0x00, 0x00, /* u16 idProduct; */ - 0x00, 0x00, /* u16 bcdDevice */ - - 0x01, /* u8 iManufacturer; */ - 0x02, /* u8 iProduct; */ - 0x03, /* u8 iSerialNumber; */ - 0x01 /* u8 bNumConfigurations; */ +enum { + STR_MANUFACTURER = 1, + STR_PRODUCT, + STR_SERIALNUMBER, }; -static const uint8_t qemu_msd_config_descriptor[] = { - - /* one configuration */ - 0x09, /* u8 bLength; */ - 0x02, /* u8 bDescriptorType; Configuration */ - 0x20, 0x00, /* u16 wTotalLength; */ - 0x01, /* u8 bNumInterfaces; (1) */ - 0x01, /* u8 bConfigurationValue; */ - 0x00, /* u8 iConfiguration; */ - 0xc0, /* u8 bmAttributes; - Bit 7: must be set, - 6: Self-powered, - 5: Remote wakeup, - 4..0: resvd */ - 0x00, /* u8 MaxPower; */ - - /* one interface */ - 0x09, /* u8 if_bLength; */ - 0x04, /* u8 if_bDescriptorType; Interface */ - 0x00, /* u8 if_bInterfaceNumber; */ - 0x00, /* u8 if_bAlternateSetting; */ - 0x02, /* u8 if_bNumEndpoints; */ - 0x08, /* u8 if_bInterfaceClass; MASS STORAGE */ - 0x06, /* u8 if_bInterfaceSubClass; SCSI */ - 0x50, /* u8 if_bInterfaceProtocol; Bulk Only */ - 0x00, /* u8 if_iInterface; */ - - /* Bulk-In endpoint */ - 0x07, /* u8 ep_bLength; */ - 0x05, /* u8 ep_bDescriptorType; Endpoint */ - 0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ - 0x02, /* u8 ep_bmAttributes; Bulk */ - 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ - 0x00, /* u8 ep_bInterval; */ - - /* Bulk-Out endpoint */ - 0x07, /* u8 ep_bLength; */ - 0x05, /* u8 ep_bDescriptorType; Endpoint */ - 0x02, /* u8 ep_bEndpointAddress; OUT Endpoint 2 */ - 0x02, /* u8 ep_bmAttributes; Bulk */ - 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ - 0x00 /* u8 ep_bInterval; */ +static const USBDescStrings desc_strings = { + [STR_MANUFACTURER] = "QEMU " QEMU_VERSION, + [STR_PRODUCT] = "QEMU USB HARDDRIVE", + [STR_SERIALNUMBER] = "1", +}; + +static const USBDescIface desc_iface0 = { + .bInterfaceNumber = 0, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_MASS_STORAGE, + .bInterfaceSubClass = 0x06, /* SCSI */ + .bInterfaceProtocol = 0x50, /* Bulk */ + .eps = (USBDescEndpoint[]) { + { + .bEndpointAddress = USB_DIR_IN | 0x01, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = 64, + },{ + .bEndpointAddress = USB_DIR_OUT | 0x02, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = 64, + }, + } +}; + +static const USBDescDevice desc_device = { + .bcdUSB = 0x0100, + .bMaxPacketSize0 = 8, + .bNumConfigurations = 1, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 1, + .bConfigurationValue = 1, + .bmAttributes = 0xc0, + .ifs = &desc_iface0, + }, + }, +}; + +static const USBDesc desc = { + .id = { + .idVendor = 0, + .idProduct = 0, + .bcdDevice = 0, + .iManufacturer = STR_MANUFACTURER, + .iProduct = STR_PRODUCT, + .iSerialNumber = STR_SERIALNUMBER, + }, + .full = &desc_device, + .str = desc_strings, }; static void usb_msd_copy_data(MSDState *s) @@ -236,8 +230,14 @@ static int usb_msd_handle_control(USBDevice *dev, int request, int value, int index, int length, uint8_t *data) { MSDState *s = (MSDState *)dev; - int ret = 0; + int ret; + ret = usb_desc_handle_control(dev, request, value, index, length, data); + if (ret >= 0) { + return ret; + } + + ret = 0; switch (request) { case DeviceRequest | USB_REQ_GET_STATUS: data[0] = (1 << USB_DEVICE_SELF_POWERED) | @@ -265,48 +265,6 @@ static int usb_msd_handle_control(USBDevice *dev, int request, int value, dev->addr = value; ret = 0; break; - case DeviceRequest | USB_REQ_GET_DESCRIPTOR: - switch(value >> 8) { - case USB_DT_DEVICE: - memcpy(data, qemu_msd_dev_descriptor, - sizeof(qemu_msd_dev_descriptor)); - ret = sizeof(qemu_msd_dev_descriptor); - break; - case USB_DT_CONFIG: - memcpy(data, qemu_msd_config_descriptor, - sizeof(qemu_msd_config_descriptor)); - ret = sizeof(qemu_msd_config_descriptor); - break; - case USB_DT_STRING: - switch(value & 0xff) { - case 0: - /* language ids */ - data[0] = 4; - data[1] = 3; - data[2] = 0x09; - data[3] = 0x04; - ret = 4; - break; - case 1: - /* vendor description */ - ret = set_usb_string(data, "QEMU " QEMU_VERSION); - break; - case 2: - /* product description */ - ret = set_usb_string(data, "QEMU USB HARDDRIVE"); - break; - case 3: - /* serial number */ - ret = set_usb_string(data, "1"); - break; - default: - goto fail; - } - break; - default: - goto fail; - } - break; case DeviceRequest | USB_REQ_GET_CONFIGURATION: data[0] = 1; ret = 1; @@ -625,6 +583,7 @@ static struct USBDeviceInfo msd_info = { .product_desc = "QEMU USB MSD", .qdev.name = "usb-storage", .qdev.size = sizeof(MSDState), + .usb_desc = &desc, .init = usb_msd_initfn, .handle_packet = usb_generic_handle_packet, .handle_reset = usb_msd_handle_reset, |