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usb-ccid: switch to USBDesc* 

Switch the smard card emulation to use the USBDesc*
structs for the usb descriptors.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2011-08-30 11:49:05 +02:00
parent 4d8debba76
commit 97237e0a5a
2 changed files with 82 additions and 163 deletions
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243
hw/usb-ccid.c
View File

@ -37,6 +37,7 @@
#include "qemu-common.h"
#include "qemu-error.h"
#include "usb.h"
#include "usb-desc.h"
#include "monitor.h"
#include "hw/ccid.h"
@ -306,56 +307,7 @@ typedef struct USBCCIDState {
* 0dc3:1004 Athena Smartcard Solutions, Inc.
*/
static const uint8_t qemu_ccid_dev_descriptor[] = {
0x12, /* u8 bLength; */
USB_DT_DEVICE, /* u8 bDescriptorType; Device */
0x10, 0x01, /* u16 bcdUSB; v1.1 */
0x00, /* u8 bDeviceClass; */
0x00, /* u8 bDeviceSubClass; */
0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
0x40, /* u8 bMaxPacketSize0; 8 Bytes (valid: 8,16,32,64) */
/* Vendor and product id are arbitrary. */
/* u16 idVendor */
CCID_VENDOR_ID & 0xff, CCID_VENDOR_ID >> 8,
/* u16 idProduct */
CCID_PRODUCT_ID & 0xff, CCID_PRODUCT_ID >> 8,
/* u16 bcdDevice */
CCID_DEVICE_VERSION & 0xff, CCID_DEVICE_VERSION >> 8,
0x01, /* u8 iManufacturer; */
0x02, /* u8 iProduct; */
0x03, /* u8 iSerialNumber; */
0x01, /* u8 bNumConfigurations; */
};
static const uint8_t qemu_ccid_config_descriptor[] = {
/* one configuration */
0x09, /* u8 bLength; */
USB_DT_CONFIG, /* u8 bDescriptorType; Configuration */
0x5d, 0x00, /* u16 wTotalLength; 9+9+54+7+7+7 */
0x01, /* u8 bNumInterfaces; (1) */
0x01, /* u8 bConfigurationValue; */
0x00, /* u8 iConfiguration; */
0xe0, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
100/2, /* u8 MaxPower; 50 == 100mA */
/* one interface */
0x09, /* u8 if_bLength; */
USB_DT_INTERFACE, /* u8 if_bDescriptorType; Interface */
0x00, /* u8 if_bInterfaceNumber; */
0x00, /* u8 if_bAlternateSetting; */
0x03, /* u8 if_bNumEndpoints; */
0x0b, /* u8 if_bInterfaceClass; Smart Card Device Class */
0x00, /* u8 if_bInterfaceSubClass; Subclass code */
0x00, /* u8 if_bInterfaceProtocol; Protocol code */
0x04, /* u8 if_iInterface; Index of string descriptor */
static const uint8_t qemu_ccid_descriptor[] = {
/* Smart Card Device Class Descriptor */
0x36, /* u8 bLength; */
0x21, /* u8 bDescriptorType; Functional */
@ -439,38 +391,81 @@ static const uint8_t qemu_ccid_config_descriptor[] = {
* 02h PIN Modification
*/
0x01, /* u8 bMaxCCIDBusySlots; */
};
/* Interrupt-IN endpoint */
0x07, /* u8 ep_bLength; */
/* u8 ep_bDescriptorType; Endpoint */
USB_DT_ENDPOINT,
/* u8 ep_bEndpointAddress; IN Endpoint 1 */
0x80 | CCID_INT_IN_EP,
0x03, /* u8 ep_bmAttributes; Interrupt */
/* u16 ep_wMaxPacketSize; */
CCID_MAX_PACKET_SIZE & 0xff, (CCID_MAX_PACKET_SIZE >> 8),
0xff, /* u8 ep_bInterval; */
enum {
STR_MANUFACTURER = 1,
STR_PRODUCT,
STR_SERIALNUMBER,
STR_INTERFACE,
};
/* Bulk-In endpoint */
0x07, /* u8 ep_bLength; */
/* u8 ep_bDescriptorType; Endpoint */
USB_DT_ENDPOINT,
/* u8 ep_bEndpointAddress; IN Endpoint 2 */
0x80 | CCID_BULK_IN_EP,
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 CCID",
[STR_SERIALNUMBER] = "1",
[STR_INTERFACE] = "CCID Interface",
};
/* Bulk-Out endpoint */
0x07, /* u8 ep_bLength; */
/* u8 ep_bDescriptorType; Endpoint */
USB_DT_ENDPOINT,
/* u8 ep_bEndpointAddress; OUT Endpoint 3 */
CCID_BULK_OUT_EP,
0x02, /* u8 ep_bmAttributes; Bulk */
0x40, 0x00, /* u16 ep_wMaxPacketSize; */
0x00, /* u8 ep_bInterval; */
static const USBDescIface desc_iface0 = {
.bInterfaceNumber = 0,
.bNumEndpoints = 3,
.bInterfaceClass = 0x0b,
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x00,
.iInterface = STR_INTERFACE,
.ndesc = 1,
.descs = (USBDescOther[]) {
{
/* smartcard descriptor */
.data = qemu_ccid_descriptor,
},
},
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | CCID_INT_IN_EP,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.bInterval = 255,
.wMaxPacketSize = 64,
},{
.bEndpointAddress = USB_DIR_IN | CCID_BULK_IN_EP,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},{
.bEndpointAddress = USB_DIR_OUT | CCID_BULK_OUT_EP,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},
}
};
static const USBDescDevice desc_device = {
.bcdUSB = 0x0110,
.bMaxPacketSize0 = 64,
.bNumConfigurations = 1,
.confs = (USBDescConfig[]) {
{
.bNumInterfaces = 1,
.bConfigurationValue = 1,
.bmAttributes = 0x80,
.bMaxPower = 50,
.nif = 1,
.ifs = &desc_iface0,
},
},
};
static const USBDesc desc_ccid = {
.id = {
.idVendor = CCID_VENDOR_ID,
.idProduct = CCID_PRODUCT_ID,
.bcdDevice = CCID_DEVICE_VERSION,
.iManufacturer = STR_MANUFACTURER,
.iProduct = STR_PRODUCT,
.iSerialNumber = STR_SERIALNUMBER,
},
.full = &desc_device,
.str = desc_strings,
};
static bool ccid_has_pending_answers(USBCCIDState *s)
@ -610,87 +605,12 @@ static int ccid_handle_control(USBDevice *dev, USBPacket *p, int request,
int ret = 0;
DPRINTF(s, 1, "got control %x, value %x\n", request, value);
ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
if (ret >= 0) {
return ret;
}
switch (request) {
case DeviceRequest | USB_REQ_GET_STATUS:
data[0] = (1 << USB_DEVICE_SELF_POWERED) |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
data[1] = 0x00;
ret = 2;
break;
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
dev->remote_wakeup = 0;
} else {
goto fail;
}
ret = 0;
break;
case DeviceOutRequest | USB_REQ_SET_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
dev->remote_wakeup = 1;
} else {
goto fail;
}
ret = 0;
break;
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
dev->addr = value;
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
switch (value >> 8) {
case USB_DT_DEVICE:
memcpy(data, qemu_ccid_dev_descriptor,
sizeof(qemu_ccid_dev_descriptor));
ret = sizeof(qemu_ccid_dev_descriptor);
break;
case USB_DT_CONFIG:
memcpy(data, qemu_ccid_config_descriptor,
sizeof(qemu_ccid_config_descriptor));
ret = sizeof(qemu_ccid_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, CCID_VENDOR_DESCRIPTION);
break;
case 2:
/* product description */
ret = set_usb_string(data, CCID_PRODUCT_DESCRIPTION);
break;
case 3:
/* serial number */
ret = set_usb_string(data, CCID_SERIAL_NUMBER_STRING);
break;
case 4:
/* interface name */
ret = set_usb_string(data, CCID_INTERFACE_NAME);
break;
default:
goto fail;
}
break;
default:
goto fail;
}
break;
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
data[0] = 1;
ret = 1;
break;
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
/* Only one configuration - we just ignore the request */
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
@ -698,9 +618,6 @@ static int ccid_handle_control(USBDevice *dev, USBPacket *p, int request,
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
ret = 0;
break;
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
ret = 0;
break;
/* Class specific requests. */
case InterfaceOutClass | CCID_CONTROL_ABORT:
@ -716,7 +633,6 @@ static int ccid_handle_control(USBDevice *dev, USBPacket *p, int request,
ret = USB_RET_STALL;
break;
default:
fail:
DPRINTF(s, 1, "got unsupported/bogus control %x, value %x\n",
request, value);
ret = USB_RET_STALL;
@ -1075,6 +991,7 @@ static int ccid_handle_data(USBDevice *dev, USBPacket *p)
break;
default:
DPRINTF(s, 1, "Bad endpoint\n");
ret = USB_RET_STALL;
break;
}
break;
@ -1256,6 +1173,7 @@ static int ccid_initfn(USBDevice *dev)
{
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
usb_desc_init(dev);
qbus_create_inplace(&s->bus.qbus, &ccid_bus_info, &dev->qdev, NULL);
s->bus.qbus.allow_hotplug = 1;
s->card = NULL;
@ -1381,6 +1299,7 @@ static struct USBDeviceInfo ccid_info = {
.qdev.desc = "CCID Rev 1.1 smartcard reader",
.qdev.size = sizeof(USBCCIDState),
.init = ccid_initfn,
.usb_desc = &desc_ccid,
.handle_packet = usb_generic_handle_packet,
.handle_reset = ccid_handle_reset,
.handle_control = ccid_handle_control,

2
hw/usb-desc.h
View File

@ -75,7 +75,7 @@ struct USBDescEndpoint {
struct USBDescOther {
uint8_t length;
uint8_t *data;
const uint8_t *data;
};
typedef const char *USBDescStrings[256];