* Copyright (c) 2008 Samuel Thibault <samuel.thibault@ens-lyon.org>
* Written by Paul Brook, reused for FTDI by Samuel Thibault
*
- * This code is licenced under the LGPL.
+ * This code is licensed under the LGPL.
*/
#include "qemu-common.h"
#include "qemu-error.h"
#include "usb.h"
+#include "usb-desc.h"
#include "qemu-char.h"
//#define DEBUG_Serial
typedef struct {
USBDevice dev;
- uint32_t vendorid;
- uint32_t productid;
uint8_t recv_buf[RECV_BUF];
uint16_t recv_ptr;
uint16_t recv_used;
CharDriverState *cs;
} USBSerialState;
-static const uint8_t qemu_serial_dev_descriptor[] = {
- 0x12, /* u8 bLength; */
- 0x01, /* u8 bDescriptorType; Device */
- 0x00, 0x02, /* u16 bcdUSB; v2.0 */
-
- 0x00, /* u8 bDeviceClass; */
- 0x00, /* u8 bDeviceSubClass; */
- 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
- 0x08, /* u8 bMaxPacketSize0; 8 Bytes */
-
- /* Vendor and product id are arbitrary. */
- 0x03, 0x04, /* u16 idVendor; */
- 0x00, 0xFF, /* u16 idProduct; */
- 0x00, 0x04, /* u16 bcdDevice */
-
- 0x01, /* u8 iManufacturer; */
- 0x02, /* u8 iProduct; */
- 0x03, /* u8 iSerialNumber; */
- 0x01 /* u8 bNumConfigurations; */
+enum {
+ STR_MANUFACTURER = 1,
+ STR_PRODUCT_SERIAL,
+ STR_PRODUCT_BRAILLE,
+ STR_SERIALNUMBER,
};
-static const uint8_t qemu_serial_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; */
- 0x80, /* u8 bmAttributes;
- Bit 7: must be set,
- 6: Self-powered,
- 5: Remote wakeup,
- 4..0: resvd */
- 100/2, /* 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; */
- 0xff, /* u8 if_bInterfaceClass; Vendor Specific */
- 0xff, /* u8 if_bInterfaceSubClass; Vendor Specific */
- 0xff, /* u8 if_bInterfaceProtocol; Vendor Specific */
- 0x02, /* 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_SERIAL] = "QEMU USB SERIAL",
+ [STR_PRODUCT_BRAILLE] = "QEMU USB BRAILLE",
+ [STR_SERIALNUMBER] = "1",
+};
+
+static const USBDescIface desc_iface0 = {
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = 0xff,
+ .bInterfaceSubClass = 0xff,
+ .bInterfaceProtocol = 0xff,
+ .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 = 0x0200,
+ .bMaxPacketSize0 = 8,
+ .bNumConfigurations = 1,
+ .confs = (USBDescConfig[]) {
+ {
+ .bNumInterfaces = 1,
+ .bConfigurationValue = 1,
+ .bmAttributes = 0x80,
+ .bMaxPower = 50,
+ .nif = 1,
+ .ifs = &desc_iface0,
+ },
+ },
+};
+
+static const USBDesc desc_serial = {
+ .id = {
+ .idVendor = 0x0403,
+ .idProduct = 0x6001,
+ .bcdDevice = 0x0400,
+ .iManufacturer = STR_MANUFACTURER,
+ .iProduct = STR_PRODUCT_SERIAL,
+ .iSerialNumber = STR_SERIALNUMBER,
+ },
+ .full = &desc_device,
+ .str = desc_strings,
+};
+
+static const USBDesc desc_braille = {
+ .id = {
+ .idVendor = 0x0403,
+ .idProduct = 0xfe72,
+ .bcdDevice = 0x0400,
+ .iManufacturer = STR_MANUFACTURER,
+ .iProduct = STR_PRODUCT_BRAILLE,
+ .iSerialNumber = STR_SERIALNUMBER,
+ },
+ .full = &desc_device,
+ .str = desc_strings,
};
static void usb_serial_reset(USBSerialState *s)
return ret;
}
-static int usb_serial_handle_control(USBDevice *dev, int request, int value,
- int index, int length, uint8_t *data)
+static int usb_serial_handle_control(USBDevice *dev, USBPacket *p,
+ int request, int value, int index, int length, uint8_t *data)
{
USBSerialState *s = (USBSerialState *)dev;
- int ret = 0;
+ int ret;
+
+ DPRINTF("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;
+ }
- //DPRINTF("got control %x, value %x\n",request, value);
+ ret = 0;
switch (request) {
- case DeviceRequest | USB_REQ_GET_STATUS:
- data[0] = (0 << 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_serial_dev_descriptor,
- sizeof(qemu_serial_dev_descriptor));
- data[8] = s->vendorid & 0xff;
- data[9] = ((s->vendorid) >> 8) & 0xff;
- data[10] = s->productid & 0xff;
- data[11] = ((s->productid) >> 8) & 0xff;
- ret = sizeof(qemu_serial_dev_descriptor);
- break;
- case USB_DT_CONFIG:
- memcpy(data, qemu_serial_config_descriptor,
- sizeof(qemu_serial_config_descriptor));
- ret = sizeof(qemu_serial_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 SERIAL");
- 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;
- break;
- case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
- ret = 0;
- break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
static int usb_serial_handle_data(USBDevice *dev, USBPacket *p)
{
USBSerialState *s = (USBSerialState *)dev;
- int ret = 0;
+ int i, ret = 0;
uint8_t devep = p->devep;
- uint8_t *data = p->data;
- int len = p->len;
- int first_len;
+ struct iovec *iov;
+ uint8_t header[2];
+ int first_len, len;
switch (p->pid) {
case USB_TOKEN_OUT:
if (devep != 2)
goto fail;
- qemu_chr_write(s->cs, data, len);
+ for (i = 0; i < p->iov.niov; i++) {
+ iov = p->iov.iov + i;
+ qemu_chr_fe_write(s->cs, iov->iov_base, iov->iov_len);
+ }
break;
case USB_TOKEN_IN:
if (devep != 1)
goto fail;
first_len = RECV_BUF - s->recv_ptr;
+ len = p->iov.size;
if (len <= 2) {
ret = USB_RET_NAK;
break;
}
- *data++ = usb_get_modem_lines(s) | 1;
+ header[0] = usb_get_modem_lines(s) | 1;
/* We do not have the uart details */
/* handle serial break */
if (s->event_trigger && s->event_trigger & FTDI_BI) {
s->event_trigger &= ~FTDI_BI;
- *data = FTDI_BI;
+ header[1] = FTDI_BI;
+ usb_packet_copy(p, header, 2);
ret = 2;
break;
} else {
- *data++ = 0;
+ header[1] = 0;
}
len -= 2;
if (len > s->recv_used)
}
if (first_len > len)
first_len = len;
- memcpy(data, s->recv_buf + s->recv_ptr, first_len);
+ usb_packet_copy(p, header, 2);
+ usb_packet_copy(p, s->recv_buf + s->recv_ptr, first_len);
if (len > first_len)
- memcpy(data + first_len, s->recv_buf, len - first_len);
+ usb_packet_copy(p, s->recv_buf, len - first_len);
s->recv_used -= len;
s->recv_ptr = (s->recv_ptr + len) % RECV_BUF;
ret = len + 2;
static int usb_serial_initfn(USBDevice *dev)
{
USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev);
- s->dev.speed = USB_SPEED_FULL;
+
+ usb_desc_init(dev);
+
+ if (!s->cs) {
+ error_report("Property chardev is required");
+ return -1;
+ }
qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read,
usb_serial_event, s);
return dev;
}
+static const VMStateDescription vmstate_usb_serial = {
+ .name = "usb-serial",
+ .unmigratable = 1,
+};
+
static struct USBDeviceInfo serial_info = {
.product_desc = "QEMU USB Serial",
.qdev.name = "usb-serial",
.qdev.size = sizeof(USBSerialState),
+ .qdev.vmsd = &vmstate_usb_serial,
+ .usb_desc = &desc_serial,
.init = usb_serial_initfn,
.handle_packet = usb_generic_handle_packet,
.handle_reset = usb_serial_handle_reset,
.usbdevice_name = "serial",
.usbdevice_init = usb_serial_init,
.qdev.props = (Property[]) {
- DEFINE_PROP_CHR("chardev", USBSerialState, cs),
- DEFINE_PROP_HEX32("vendorid", USBSerialState, vendorid, 0x0403),
- DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0x6001),
+ DEFINE_PROP_CHR("chardev", USBSerialState, cs),
DEFINE_PROP_END_OF_LIST(),
},
};
.product_desc = "QEMU USB Braille",
.qdev.name = "usb-braille",
.qdev.size = sizeof(USBSerialState),
+ .qdev.vmsd = &vmstate_usb_serial,
+ .usb_desc = &desc_braille,
.init = usb_serial_initfn,
.handle_packet = usb_generic_handle_packet,
.handle_reset = usb_serial_handle_reset,
.usbdevice_name = "braille",
.usbdevice_init = usb_braille_init,
.qdev.props = (Property[]) {
- DEFINE_PROP_CHR("chardev", USBSerialState, cs),
- DEFINE_PROP_HEX32("vendorid", USBSerialState, vendorid, 0x0403),
- DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0xfe72),
+ DEFINE_PROP_CHR("chardev", USBSerialState, cs),
DEFINE_PROP_END_OF_LIST(),
},
};
projects / qemu.git / blobdiff