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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This is used to indicate at which speed[s] the device can operate,
so that this can be checked to match the ports capabilities when it gets
attached to a bus.
Note that currently all usb1 emulated device claim to be fullspeed, this
seems to not cause any problems, but still seems wrong, because with real
hardware keyboards, mice and tablets usually are lo-speed, so reporting these
as fullspeed devices seems wrong.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This allows using the generic usb_generic_handle_packet function from
device code which does ASYNC control requests (such as the linux host
pass through code).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Descriptor
This is used for some devices that have multiple interfaces that form a logic
device. An example is Video Class, which has a Control interface and a
Streaming interface. There can be additional interfaces on the same (physical)
devices (e.g. a microphone), and Interface Association Descriptor handles this
case.
Signed-off-by: Brad Hards <bradh@frogmouth.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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All callers have been updated.
Signed-off-by: Brad Hards <bradh@frogmouth.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add support for device_qualifier and other_speed_config descriptors.
These are used to query the "other speed" configuration of usb 2.0
devices, i.e. in high-speed mode they return the full-speed
configuration and visa versa.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add usb_desc_attach() which sets up the device according to the speed
the usb port is able to handle. This function can be hooked into the
handle_attach callback.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch moves setting and clearing the remote_wakeup feature
bit (via USB_REQ_{SET,CLEAR}_FEATURE) to common code. Also
USB_REQ_GET_STATUS handling is moved to common code.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds fields to the USBDevice struct for the current
speed (hard-wired to full speed for now) and current device
configuration. Also a init function is added which inializes
these fields. This allows USB_REQ_{GET,SET}_CONFIGURATION
handling to be moved to common code.
For most drivers the conversion is trivial ad they support a single
configuration only anyway. One exception is bluetooth where some
device-specific setup code runs after get/set configuration. The
other is usb-net which actually has two configurations so the
the code to check for the active configuration has been adapted.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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USB_REQ_SET_ADDRESS handling is identical in *all* emulated devices.
Move it to common code.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch allows to set usb descriptor strings per device instance.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds hw/usb-desc.[ch] files. They carry data structures
for various usb descriptors and helper functions to generate usb
packets from the structures.
The intention is to have a internal representation of the device
desription which is more usable than the current char array blobs,
so we can have common code handle common usb device emulation using
the device description.
The usage of this infrastructure is optional for usb drivers as there
are cases such as pass-through where it probably isn't very useful.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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