xen: Sync up with the canonical protocol definitions in Xen
This is the sync up with the canonical definitions of the input,
sound and display protocols in Xen.
Changes to kbdif:
1. Add missing string constants for {feature|request}-raw-pointer
to align with the rest of the interface file.
2. Add new XenStore feature fields, so it is possible to individually
control set of exposed virtual devices for each guest OS:
- set feature-disable-keyboard to 1 if no keyboard device needs
to be created
- set feature-disable-pointer to 1 if no pointer device needs
to be created
3. Move multi-touch device parameters to backend nodes: these are
described as a part of frontend's XenBus configuration nodes
while they belong to backend's configuration. Fix this by moving
the parameters to the proper section.
Unique-id field:
1. Add unique-id XenBus entry for virtual input and display.
2. Change type of unique-id field to string for sndif to align with
display and input protocols.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Oleksandr Andrushchenko
Dmitry Torokhov
Родитель
29dcea8877
Коммит
ce63b2c89c
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@ -189,6 +189,13 @@
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*
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*----------------------------- Connector settings ----------------------------
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*
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* unique-id
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* Values: <string>
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*
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* After device instance initialization each connector is assigned a
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* unique ID, so it can be identified by the backend by this ID.
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* This can be UUID or such.
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*
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* resolution
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* Values: <width, uint32_t>x<height, uint32_t>
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*
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@ -368,6 +375,7 @@
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#define XENDISPL_FIELD_EVT_CHANNEL "evt-event-channel"
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#define XENDISPL_FIELD_RESOLUTION "resolution"
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#define XENDISPL_FIELD_BE_ALLOC "be-alloc"
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#define XENDISPL_FIELD_UNIQUE_ID "unique-id"
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/*
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******************************************************************************
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@ -51,6 +51,18 @@
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* corresponding entries in XenStore and puts 1 as the value of the entry.
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* If a feature is not supported then 0 must be set or feature entry omitted.
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*
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* feature-disable-keyboard
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* Values: <uint>
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*
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* If there is no need to expose a virtual keyboard device by the
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* frontend then this must be set to 1.
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*
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* feature-disable-pointer
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* Values: <uint>
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*
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* If there is no need to expose a virtual pointer device by the
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* frontend then this must be set to 1.
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*
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* feature-abs-pointer
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* Values: <uint>
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*
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@ -63,6 +75,22 @@
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* Backends, which support reporting of multi-touch events
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* should set this to 1.
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*
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* feature-raw-pointer
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* Values: <uint>
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*
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* Backends, which support reporting raw (unscaled) absolute coordinates
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* for pointer devices should set this to 1. Raw (unscaled) values have
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* a range of [0, 0x7fff].
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*
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*----------------------- Device Instance Parameters ------------------------
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*
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* unique-id
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* Values: <string>
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*
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* After device instance initialization it is assigned a unique ID,
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* so every instance of the frontend can be identified by the backend
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* by this ID. This can be UUID or such.
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*
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*------------------------- Pointer Device Parameters ------------------------
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*
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* width
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@ -77,6 +105,25 @@
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* Maximum Y coordinate (height) to be used by the frontend
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* while reporting input events, pixels, [0; UINT32_MAX].
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*
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*----------------------- Multi-touch Device Parameters ----------------------
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*
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* multi-touch-num-contacts
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* Values: <uint>
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*
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* Number of simultaneous touches reported.
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*
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* multi-touch-width
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* Values: <uint>
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*
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* Width of the touch area to be used by the frontend
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* while reporting input events, pixels, [0; UINT32_MAX].
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*
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* multi-touch-height
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* Values: <uint>
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*
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* Height of the touch area to be used by the frontend
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* while reporting input events, pixels, [0; UINT32_MAX].
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*
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*****************************************************************************
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* Frontend XenBus Nodes
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*****************************************************************************
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@ -98,6 +145,13 @@
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*
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* Request backend to report multi-touch events.
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*
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* request-raw-pointer
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* Values: <uint>
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*
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* Request backend to report raw unscaled absolute pointer coordinates.
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* This option is only valid if request-abs-pointer is also set.
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* Raw unscaled coordinates have the range [0, 0x7fff]
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*
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*----------------------- Request Transport Parameters -----------------------
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*
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* event-channel
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@ -117,25 +171,6 @@
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*
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* OBSOLETE, not recommended for use.
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* PFN of the shared page.
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*
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*----------------------- Multi-touch Device Parameters -----------------------
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*
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* multi-touch-num-contacts
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* Values: <uint>
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*
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* Number of simultaneous touches reported.
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*
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* multi-touch-width
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* Values: <uint>
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*
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* Width of the touch area to be used by the frontend
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* while reporting input events, pixels, [0; UINT32_MAX].
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*
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* multi-touch-height
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* Values: <uint>
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*
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* Height of the touch area to be used by the frontend
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* while reporting input events, pixels, [0; UINT32_MAX].
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*/
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/*
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@ -163,9 +198,13 @@
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#define XENKBD_DRIVER_NAME "vkbd"
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#define XENKBD_FIELD_FEAT_DSBL_KEYBRD "feature-disable-keyboard"
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#define XENKBD_FIELD_FEAT_DSBL_POINTER "feature-disable-pointer"
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#define XENKBD_FIELD_FEAT_ABS_POINTER "feature-abs-pointer"
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#define XENKBD_FIELD_FEAT_RAW_POINTER "feature-raw-pointer"
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#define XENKBD_FIELD_FEAT_MTOUCH "feature-multi-touch"
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#define XENKBD_FIELD_REQ_ABS_POINTER "request-abs-pointer"
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#define XENKBD_FIELD_REQ_RAW_POINTER "request-raw-pointer"
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#define XENKBD_FIELD_REQ_MTOUCH "request-multi-touch"
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#define XENKBD_FIELD_RING_GREF "page-gref"
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#define XENKBD_FIELD_EVT_CHANNEL "event-channel"
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@ -174,6 +213,7 @@
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#define XENKBD_FIELD_MT_WIDTH "multi-touch-width"
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#define XENKBD_FIELD_MT_HEIGHT "multi-touch-height"
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#define XENKBD_FIELD_MT_NUM_CONTACTS "multi-touch-num-contacts"
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#define XENKBD_FIELD_UNIQUE_ID "unique-id"
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/* OBSOLETE, not recommended for use */
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#define XENKBD_FIELD_RING_REF "page-ref"
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@ -278,13 +278,11 @@
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* defined under the same device.
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*
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* unique-id
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* Values: <uint32_t>
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* Values: <string>
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*
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* After stream initialization it is assigned a unique ID (within the front
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* driver), so every stream of the frontend can be identified by the
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* backend by this ID. This is not equal to stream-idx as the later is
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* zero based within the device, but this index is contigous within the
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* driver.
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* After stream initialization it is assigned a unique ID, so every
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* stream of the frontend can be identified by the backend by this ID.
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* This can be UUID or such.
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*
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*-------------------- Stream Request Transport Parameters --------------------
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*
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