diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/usb/desc.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/usb/desc.c')
-rw-r--r-- | qemu/hw/usb/desc.c | 804 |
1 files changed, 0 insertions, 804 deletions
diff --git a/qemu/hw/usb/desc.c b/qemu/hw/usb/desc.c deleted file mode 100644 index adb026e43..000000000 --- a/qemu/hw/usb/desc.c +++ /dev/null @@ -1,804 +0,0 @@ -#include "qemu/osdep.h" - -#include "hw/usb.h" -#include "hw/usb/desc.h" -#include "trace.h" - -/* ------------------------------------------------------------------ */ - -int usb_desc_device(const USBDescID *id, const USBDescDevice *dev, - bool msos, uint8_t *dest, size_t len) -{ - uint8_t bLength = 0x12; - USBDescriptor *d = (void *)dest; - - if (len < bLength) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_DEVICE; - - if (msos && dev->bcdUSB < 0x0200) { - /* - * Version 2.0+ required for microsoft os descriptors to work. - * Done this way so msos-desc compat property will handle both - * the version and the new descriptors being present. - */ - d->u.device.bcdUSB_lo = usb_lo(0x0200); - d->u.device.bcdUSB_hi = usb_hi(0x0200); - } else { - d->u.device.bcdUSB_lo = usb_lo(dev->bcdUSB); - d->u.device.bcdUSB_hi = usb_hi(dev->bcdUSB); - } - d->u.device.bDeviceClass = dev->bDeviceClass; - d->u.device.bDeviceSubClass = dev->bDeviceSubClass; - d->u.device.bDeviceProtocol = dev->bDeviceProtocol; - d->u.device.bMaxPacketSize0 = dev->bMaxPacketSize0; - - d->u.device.idVendor_lo = usb_lo(id->idVendor); - d->u.device.idVendor_hi = usb_hi(id->idVendor); - d->u.device.idProduct_lo = usb_lo(id->idProduct); - d->u.device.idProduct_hi = usb_hi(id->idProduct); - d->u.device.bcdDevice_lo = usb_lo(id->bcdDevice); - d->u.device.bcdDevice_hi = usb_hi(id->bcdDevice); - d->u.device.iManufacturer = id->iManufacturer; - d->u.device.iProduct = id->iProduct; - d->u.device.iSerialNumber = id->iSerialNumber; - - d->u.device.bNumConfigurations = dev->bNumConfigurations; - - return bLength; -} - -int usb_desc_device_qualifier(const USBDescDevice *dev, - uint8_t *dest, size_t len) -{ - uint8_t bLength = 0x0a; - USBDescriptor *d = (void *)dest; - - if (len < bLength) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_DEVICE_QUALIFIER; - - d->u.device_qualifier.bcdUSB_lo = usb_lo(dev->bcdUSB); - d->u.device_qualifier.bcdUSB_hi = usb_hi(dev->bcdUSB); - d->u.device_qualifier.bDeviceClass = dev->bDeviceClass; - d->u.device_qualifier.bDeviceSubClass = dev->bDeviceSubClass; - d->u.device_qualifier.bDeviceProtocol = dev->bDeviceProtocol; - d->u.device_qualifier.bMaxPacketSize0 = dev->bMaxPacketSize0; - d->u.device_qualifier.bNumConfigurations = dev->bNumConfigurations; - d->u.device_qualifier.bReserved = 0; - - return bLength; -} - -int usb_desc_config(const USBDescConfig *conf, int flags, - uint8_t *dest, size_t len) -{ - uint8_t bLength = 0x09; - uint16_t wTotalLength = 0; - USBDescriptor *d = (void *)dest; - int i, rc; - - if (len < bLength) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_CONFIG; - - d->u.config.bNumInterfaces = conf->bNumInterfaces; - d->u.config.bConfigurationValue = conf->bConfigurationValue; - d->u.config.iConfiguration = conf->iConfiguration; - d->u.config.bmAttributes = conf->bmAttributes; - d->u.config.bMaxPower = conf->bMaxPower; - wTotalLength += bLength; - - /* handle grouped interfaces if any */ - for (i = 0; i < conf->nif_groups; i++) { - rc = usb_desc_iface_group(&(conf->if_groups[i]), flags, - dest + wTotalLength, - len - wTotalLength); - if (rc < 0) { - return rc; - } - wTotalLength += rc; - } - - /* handle normal (ungrouped / no IAD) interfaces if any */ - for (i = 0; i < conf->nif; i++) { - rc = usb_desc_iface(conf->ifs + i, flags, - dest + wTotalLength, len - wTotalLength); - if (rc < 0) { - return rc; - } - wTotalLength += rc; - } - - d->u.config.wTotalLength_lo = usb_lo(wTotalLength); - d->u.config.wTotalLength_hi = usb_hi(wTotalLength); - return wTotalLength; -} - -int usb_desc_iface_group(const USBDescIfaceAssoc *iad, int flags, - uint8_t *dest, size_t len) -{ - int pos = 0; - int i = 0; - - /* handle interface association descriptor */ - uint8_t bLength = 0x08; - - if (len < bLength) { - return -1; - } - - dest[0x00] = bLength; - dest[0x01] = USB_DT_INTERFACE_ASSOC; - dest[0x02] = iad->bFirstInterface; - dest[0x03] = iad->bInterfaceCount; - dest[0x04] = iad->bFunctionClass; - dest[0x05] = iad->bFunctionSubClass; - dest[0x06] = iad->bFunctionProtocol; - dest[0x07] = iad->iFunction; - pos += bLength; - - /* handle associated interfaces in this group */ - for (i = 0; i < iad->nif; i++) { - int rc = usb_desc_iface(&(iad->ifs[i]), flags, dest + pos, len - pos); - if (rc < 0) { - return rc; - } - pos += rc; - } - - return pos; -} - -int usb_desc_iface(const USBDescIface *iface, int flags, - uint8_t *dest, size_t len) -{ - uint8_t bLength = 0x09; - int i, rc, pos = 0; - USBDescriptor *d = (void *)dest; - - if (len < bLength) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_INTERFACE; - - d->u.interface.bInterfaceNumber = iface->bInterfaceNumber; - d->u.interface.bAlternateSetting = iface->bAlternateSetting; - d->u.interface.bNumEndpoints = iface->bNumEndpoints; - d->u.interface.bInterfaceClass = iface->bInterfaceClass; - d->u.interface.bInterfaceSubClass = iface->bInterfaceSubClass; - d->u.interface.bInterfaceProtocol = iface->bInterfaceProtocol; - d->u.interface.iInterface = iface->iInterface; - pos += bLength; - - for (i = 0; i < iface->ndesc; i++) { - rc = usb_desc_other(iface->descs + i, dest + pos, len - pos); - if (rc < 0) { - return rc; - } - pos += rc; - } - - for (i = 0; i < iface->bNumEndpoints; i++) { - rc = usb_desc_endpoint(iface->eps + i, flags, dest + pos, len - pos); - if (rc < 0) { - return rc; - } - pos += rc; - } - - return pos; -} - -int usb_desc_endpoint(const USBDescEndpoint *ep, int flags, - uint8_t *dest, size_t len) -{ - uint8_t bLength = ep->is_audio ? 0x09 : 0x07; - uint8_t extralen = ep->extra ? ep->extra[0] : 0; - uint8_t superlen = (flags & USB_DESC_FLAG_SUPER) ? 0x06 : 0; - USBDescriptor *d = (void *)dest; - - if (len < bLength + extralen + superlen) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_ENDPOINT; - - d->u.endpoint.bEndpointAddress = ep->bEndpointAddress; - d->u.endpoint.bmAttributes = ep->bmAttributes; - d->u.endpoint.wMaxPacketSize_lo = usb_lo(ep->wMaxPacketSize); - d->u.endpoint.wMaxPacketSize_hi = usb_hi(ep->wMaxPacketSize); - d->u.endpoint.bInterval = ep->bInterval; - if (ep->is_audio) { - d->u.endpoint.bRefresh = ep->bRefresh; - d->u.endpoint.bSynchAddress = ep->bSynchAddress; - } - - if (superlen) { - USBDescriptor *d = (void *)(dest + bLength); - - d->bLength = 0x06; - d->bDescriptorType = USB_DT_ENDPOINT_COMPANION; - - d->u.super_endpoint.bMaxBurst = ep->bMaxBurst; - d->u.super_endpoint.bmAttributes = ep->bmAttributes_super; - d->u.super_endpoint.wBytesPerInterval_lo = - usb_lo(ep->wBytesPerInterval); - d->u.super_endpoint.wBytesPerInterval_hi = - usb_hi(ep->wBytesPerInterval); - } - - if (ep->extra) { - memcpy(dest + bLength + superlen, ep->extra, extralen); - } - - return bLength + extralen + superlen; -} - -int usb_desc_other(const USBDescOther *desc, uint8_t *dest, size_t len) -{ - int bLength = desc->length ? desc->length : desc->data[0]; - - if (len < bLength) { - return -1; - } - - memcpy(dest, desc->data, bLength); - return bLength; -} - -static int usb_desc_cap_usb2_ext(const USBDesc *desc, uint8_t *dest, size_t len) -{ - uint8_t bLength = 0x07; - USBDescriptor *d = (void *)dest; - - if (len < bLength) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_DEVICE_CAPABILITY; - d->u.cap.bDevCapabilityType = USB_DEV_CAP_USB2_EXT; - - d->u.cap.u.usb2_ext.bmAttributes_1 = (1 << 1); /* LPM */ - d->u.cap.u.usb2_ext.bmAttributes_2 = 0; - d->u.cap.u.usb2_ext.bmAttributes_3 = 0; - d->u.cap.u.usb2_ext.bmAttributes_4 = 0; - - return bLength; -} - -static int usb_desc_cap_super(const USBDesc *desc, uint8_t *dest, size_t len) -{ - uint8_t bLength = 0x0a; - USBDescriptor *d = (void *)dest; - - if (len < bLength) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_DEVICE_CAPABILITY; - d->u.cap.bDevCapabilityType = USB_DEV_CAP_SUPERSPEED; - - d->u.cap.u.super.bmAttributes = 0; - d->u.cap.u.super.wSpeedsSupported_lo = 0; - d->u.cap.u.super.wSpeedsSupported_hi = 0; - d->u.cap.u.super.bFunctionalitySupport = 0; - d->u.cap.u.super.bU1DevExitLat = 0x0a; - d->u.cap.u.super.wU2DevExitLat_lo = 0x20; - d->u.cap.u.super.wU2DevExitLat_hi = 0; - - if (desc->full) { - d->u.cap.u.super.wSpeedsSupported_lo |= (1 << 1); - d->u.cap.u.super.bFunctionalitySupport = 1; - } - if (desc->high) { - d->u.cap.u.super.wSpeedsSupported_lo |= (1 << 2); - if (!d->u.cap.u.super.bFunctionalitySupport) { - d->u.cap.u.super.bFunctionalitySupport = 2; - } - } - if (desc->super) { - d->u.cap.u.super.wSpeedsSupported_lo |= (1 << 3); - if (!d->u.cap.u.super.bFunctionalitySupport) { - d->u.cap.u.super.bFunctionalitySupport = 3; - } - } - - return bLength; -} - -static int usb_desc_bos(const USBDesc *desc, uint8_t *dest, size_t len) -{ - uint8_t bLength = 0x05; - uint16_t wTotalLength = 0; - uint8_t bNumDeviceCaps = 0; - USBDescriptor *d = (void *)dest; - int rc; - - if (len < bLength) { - return -1; - } - - d->bLength = bLength; - d->bDescriptorType = USB_DT_BOS; - - wTotalLength += bLength; - - if (desc->high != NULL) { - rc = usb_desc_cap_usb2_ext(desc, dest + wTotalLength, - len - wTotalLength); - if (rc < 0) { - return rc; - } - wTotalLength += rc; - bNumDeviceCaps++; - } - - if (desc->super != NULL) { - rc = usb_desc_cap_super(desc, dest + wTotalLength, - len - wTotalLength); - if (rc < 0) { - return rc; - } - wTotalLength += rc; - bNumDeviceCaps++; - } - - d->u.bos.wTotalLength_lo = usb_lo(wTotalLength); - d->u.bos.wTotalLength_hi = usb_hi(wTotalLength); - d->u.bos.bNumDeviceCaps = bNumDeviceCaps; - return wTotalLength; -} - -/* ------------------------------------------------------------------ */ - -static void usb_desc_ep_init(USBDevice *dev) -{ - const USBDescIface *iface; - int i, e, pid, ep; - - usb_ep_init(dev); - for (i = 0; i < dev->ninterfaces; i++) { - iface = dev->ifaces[i]; - if (iface == NULL) { - continue; - } - for (e = 0; e < iface->bNumEndpoints; e++) { - pid = (iface->eps[e].bEndpointAddress & USB_DIR_IN) ? - USB_TOKEN_IN : USB_TOKEN_OUT; - ep = iface->eps[e].bEndpointAddress & 0x0f; - usb_ep_set_type(dev, pid, ep, iface->eps[e].bmAttributes & 0x03); - usb_ep_set_ifnum(dev, pid, ep, iface->bInterfaceNumber); - usb_ep_set_max_packet_size(dev, pid, ep, - iface->eps[e].wMaxPacketSize); - usb_ep_set_max_streams(dev, pid, ep, - iface->eps[e].bmAttributes_super); - } - } -} - -static const USBDescIface *usb_desc_find_interface(USBDevice *dev, - int nif, int alt) -{ - const USBDescIface *iface; - int g, i; - - if (!dev->config) { - return NULL; - } - for (g = 0; g < dev->config->nif_groups; g++) { - for (i = 0; i < dev->config->if_groups[g].nif; i++) { - iface = &dev->config->if_groups[g].ifs[i]; - if (iface->bInterfaceNumber == nif && - iface->bAlternateSetting == alt) { - return iface; - } - } - } - for (i = 0; i < dev->config->nif; i++) { - iface = &dev->config->ifs[i]; - if (iface->bInterfaceNumber == nif && - iface->bAlternateSetting == alt) { - return iface; - } - } - return NULL; -} - -static int usb_desc_set_interface(USBDevice *dev, int index, int value) -{ - const USBDescIface *iface; - int old; - - iface = usb_desc_find_interface(dev, index, value); - if (iface == NULL) { - return -1; - } - - old = dev->altsetting[index]; - dev->altsetting[index] = value; - dev->ifaces[index] = iface; - usb_desc_ep_init(dev); - - if (old != value) { - usb_device_set_interface(dev, index, old, value); - } - return 0; -} - -static int usb_desc_set_config(USBDevice *dev, int value) -{ - int i; - - if (value == 0) { - dev->configuration = 0; - dev->ninterfaces = 0; - dev->config = NULL; - } else { - for (i = 0; i < dev->device->bNumConfigurations; i++) { - if (dev->device->confs[i].bConfigurationValue == value) { - dev->configuration = value; - dev->ninterfaces = dev->device->confs[i].bNumInterfaces; - dev->config = dev->device->confs + i; - assert(dev->ninterfaces <= USB_MAX_INTERFACES); - } - } - if (i < dev->device->bNumConfigurations) { - return -1; - } - } - - for (i = 0; i < dev->ninterfaces; i++) { - usb_desc_set_interface(dev, i, 0); - } - for (; i < USB_MAX_INTERFACES; i++) { - dev->altsetting[i] = 0; - dev->ifaces[i] = NULL; - } - - return 0; -} - -static void usb_desc_setdefaults(USBDevice *dev) -{ - const USBDesc *desc = usb_device_get_usb_desc(dev); - - assert(desc != NULL); - switch (dev->speed) { - case USB_SPEED_LOW: - case USB_SPEED_FULL: - dev->device = desc->full; - break; - case USB_SPEED_HIGH: - dev->device = desc->high; - break; - case USB_SPEED_SUPER: - dev->device = desc->super; - break; - } - usb_desc_set_config(dev, 0); -} - -void usb_desc_init(USBDevice *dev) -{ - const USBDesc *desc = usb_device_get_usb_desc(dev); - - assert(desc != NULL); - dev->speed = USB_SPEED_FULL; - dev->speedmask = 0; - if (desc->full) { - dev->speedmask |= USB_SPEED_MASK_FULL; - } - if (desc->high) { - dev->speedmask |= USB_SPEED_MASK_HIGH; - } - if (desc->super) { - dev->speedmask |= USB_SPEED_MASK_SUPER; - } - if (desc->msos && (dev->flags & (1 << USB_DEV_FLAG_MSOS_DESC_ENABLE))) { - dev->flags |= (1 << USB_DEV_FLAG_MSOS_DESC_IN_USE); - usb_desc_set_string(dev, 0xee, "MSFT100Q"); - } - usb_desc_setdefaults(dev); -} - -void usb_desc_attach(USBDevice *dev) -{ - usb_desc_setdefaults(dev); -} - -void usb_desc_set_string(USBDevice *dev, uint8_t index, const char *str) -{ - USBDescString *s; - - QLIST_FOREACH(s, &dev->strings, next) { - if (s->index == index) { - break; - } - } - if (s == NULL) { - s = g_malloc0(sizeof(*s)); - s->index = index; - QLIST_INSERT_HEAD(&dev->strings, s, next); - } - g_free(s->str); - s->str = g_strdup(str); -} - -/* - * This function creates a serial number for a usb device. - * The serial number should: - * (a) Be unique within the virtual machine. - * (b) Be constant, so you don't get a new one each - * time the guest is started. - * So we are using the physical location to generate a serial number - * from it. It has three pieces: First a fixed, device-specific - * prefix. Second the device path of the host controller (which is - * the pci address in most cases). Third the physical port path. - * Results in serial numbers like this: "314159-0000:00:1d.7-3". - */ -void usb_desc_create_serial(USBDevice *dev) -{ - DeviceState *hcd = dev->qdev.parent_bus->parent; - const USBDesc *desc = usb_device_get_usb_desc(dev); - int index = desc->id.iSerialNumber; - char serial[64]; - char *path; - int dst; - - if (dev->serial) { - /* 'serial' usb bus property has priority if present */ - usb_desc_set_string(dev, index, dev->serial); - return; - } - - assert(index != 0 && desc->str[index] != NULL); - dst = snprintf(serial, sizeof(serial), "%s", desc->str[index]); - path = qdev_get_dev_path(hcd); - if (path) { - dst += snprintf(serial+dst, sizeof(serial)-dst, "-%s", path); - } - dst += snprintf(serial+dst, sizeof(serial)-dst, "-%s", dev->port->path); - usb_desc_set_string(dev, index, serial); -} - -const char *usb_desc_get_string(USBDevice *dev, uint8_t index) -{ - USBDescString *s; - - QLIST_FOREACH(s, &dev->strings, next) { - if (s->index == index) { - return s->str; - } - } - return NULL; -} - -int usb_desc_string(USBDevice *dev, int index, uint8_t *dest, size_t len) -{ - uint8_t bLength, pos, i; - const char *str; - - if (len < 4) { - return -1; - } - - if (index == 0) { - /* language ids */ - dest[0] = 4; - dest[1] = USB_DT_STRING; - dest[2] = 0x09; - dest[3] = 0x04; - return 4; - } - - str = usb_desc_get_string(dev, index); - if (str == NULL) { - str = usb_device_get_usb_desc(dev)->str[index]; - if (str == NULL) { - return 0; - } - } - - bLength = strlen(str) * 2 + 2; - dest[0] = bLength; - dest[1] = USB_DT_STRING; - i = 0; pos = 2; - while (pos+1 < bLength && pos+1 < len) { - dest[pos++] = str[i++]; - dest[pos++] = 0; - } - return pos; -} - -int usb_desc_get_descriptor(USBDevice *dev, USBPacket *p, - int value, uint8_t *dest, size_t len) -{ - bool msos = (dev->flags & (1 << USB_DEV_FLAG_MSOS_DESC_IN_USE)); - const USBDesc *desc = usb_device_get_usb_desc(dev); - const USBDescDevice *other_dev; - uint8_t buf[256]; - uint8_t type = value >> 8; - uint8_t index = value & 0xff; - int flags, ret = -1; - - if (dev->speed == USB_SPEED_HIGH) { - other_dev = usb_device_get_usb_desc(dev)->full; - } else { - other_dev = usb_device_get_usb_desc(dev)->high; - } - - flags = 0; - if (dev->device->bcdUSB >= 0x0300) { - flags |= USB_DESC_FLAG_SUPER; - } - - switch(type) { - case USB_DT_DEVICE: - ret = usb_desc_device(&desc->id, dev->device, msos, buf, sizeof(buf)); - trace_usb_desc_device(dev->addr, len, ret); - break; - case USB_DT_CONFIG: - if (index < dev->device->bNumConfigurations) { - ret = usb_desc_config(dev->device->confs + index, flags, - buf, sizeof(buf)); - } - trace_usb_desc_config(dev->addr, index, len, ret); - break; - case USB_DT_STRING: - ret = usb_desc_string(dev, index, buf, sizeof(buf)); - trace_usb_desc_string(dev->addr, index, len, ret); - break; - case USB_DT_DEVICE_QUALIFIER: - if (other_dev != NULL) { - ret = usb_desc_device_qualifier(other_dev, buf, sizeof(buf)); - } - trace_usb_desc_device_qualifier(dev->addr, len, ret); - break; - case USB_DT_OTHER_SPEED_CONFIG: - if (other_dev != NULL && index < other_dev->bNumConfigurations) { - ret = usb_desc_config(other_dev->confs + index, flags, - buf, sizeof(buf)); - buf[0x01] = USB_DT_OTHER_SPEED_CONFIG; - } - trace_usb_desc_other_speed_config(dev->addr, index, len, ret); - break; - case USB_DT_BOS: - ret = usb_desc_bos(desc, buf, sizeof(buf)); - trace_usb_desc_bos(dev->addr, len, ret); - break; - - case USB_DT_DEBUG: - /* ignore silently */ - break; - - default: - fprintf(stderr, "%s: %d unknown type %d (len %zd)\n", __FUNCTION__, - dev->addr, type, len); - break; - } - - if (ret > 0) { - if (ret > len) { - ret = len; - } - memcpy(dest, buf, ret); - p->actual_length = ret; - ret = 0; - } - return ret; -} - -int usb_desc_handle_control(USBDevice *dev, USBPacket *p, - int request, int value, int index, int length, uint8_t *data) -{ - bool msos = (dev->flags & (1 << USB_DEV_FLAG_MSOS_DESC_IN_USE)); - const USBDesc *desc = usb_device_get_usb_desc(dev); - int ret = -1; - - assert(desc != NULL); - switch(request) { - case DeviceOutRequest | USB_REQ_SET_ADDRESS: - dev->addr = value; - trace_usb_set_addr(dev->addr); - ret = 0; - break; - - case DeviceRequest | USB_REQ_GET_DESCRIPTOR: - ret = usb_desc_get_descriptor(dev, p, value, data, length); - break; - - case DeviceRequest | USB_REQ_GET_CONFIGURATION: - /* - * 9.4.2: 0 should be returned if the device is unconfigured, otherwise - * the non zero value of bConfigurationValue. - */ - data[0] = dev->config ? dev->config->bConfigurationValue : 0; - p->actual_length = 1; - ret = 0; - break; - case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: - ret = usb_desc_set_config(dev, value); - trace_usb_set_config(dev->addr, value, ret); - break; - - case DeviceRequest | USB_REQ_GET_STATUS: { - const USBDescConfig *config = dev->config ? - dev->config : &dev->device->confs[0]; - - data[0] = 0; - /* - * Default state: Device behavior when this request is received while - * the device is in the Default state is not specified. - * We return the same value that a configured device would return if - * it used the first configuration. - */ - if (config->bmAttributes & USB_CFG_ATT_SELFPOWER) { - data[0] |= 1 << USB_DEVICE_SELF_POWERED; - } - if (dev->remote_wakeup) { - data[0] |= 1 << USB_DEVICE_REMOTE_WAKEUP; - } - data[1] = 0x00; - p->actual_length = 2; - ret = 0; - break; - } - case DeviceOutRequest | USB_REQ_CLEAR_FEATURE: - if (value == USB_DEVICE_REMOTE_WAKEUP) { - dev->remote_wakeup = 0; - ret = 0; - } - trace_usb_clear_device_feature(dev->addr, value, ret); - break; - case DeviceOutRequest | USB_REQ_SET_FEATURE: - if (value == USB_DEVICE_REMOTE_WAKEUP) { - dev->remote_wakeup = 1; - ret = 0; - } - trace_usb_set_device_feature(dev->addr, value, ret); - break; - - case InterfaceRequest | USB_REQ_GET_INTERFACE: - if (index < 0 || index >= dev->ninterfaces) { - break; - } - data[0] = dev->altsetting[index]; - p->actual_length = 1; - ret = 0; - break; - case InterfaceOutRequest | USB_REQ_SET_INTERFACE: - ret = usb_desc_set_interface(dev, index, value); - trace_usb_set_interface(dev->addr, index, value, ret); - break; - - case VendorDeviceRequest | 'Q': - if (msos) { - ret = usb_desc_msos(desc, p, index, data, length); - trace_usb_desc_msos(dev->addr, index, length, ret); - } - break; - case VendorInterfaceRequest | 'Q': - if (msos) { - ret = usb_desc_msos(desc, p, index, data, length); - trace_usb_desc_msos(dev->addr, index, length, ret); - } - break; - - } - return ret; -} |