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qxl: Add set_client_capabilities() interface to QXLInterface

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This new interface lets spice server inform the guest whether

(a) a client is connected
(b) what capabilities the client has

There is a fixed number (464) of bits reserved for capabilities, and
when the capabilities bits change, the QXL_INTERRUPT_CLIENT interrupt
is generated.

Signed-off-by: Soren Sandmann <ssp@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Søren Sandmann Pedersen 2012-09-04 10:14:48 -04:00 committed by Gerd Hoffmann
parent ddd8fdc78e
commit c10018d6c7
1 changed files with 23 additions and 0 deletions
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23
hw/qxl.c
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@ -944,6 +944,26 @@ static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
}
}
#if SPICE_SERVER_VERSION >= 0x000b04
/* called from spice server thread context only */
static void interface_set_client_capabilities(QXLInstance *sin,
uint8_t client_present,
uint8_t caps[58])
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
qxl->shadow_rom.client_present = client_present;
memcpy(qxl->shadow_rom.client_capabilities, caps, sizeof(caps));
qxl->rom->client_present = client_present;
memcpy(qxl->rom->client_capabilities, caps, sizeof(caps));
qxl_rom_set_dirty(qxl);
qxl_send_events(qxl, QXL_INTERRUPT_CLIENT);
}
#endif
static const QXLInterface qxl_interface = {
.base.type = SPICE_INTERFACE_QXL,
.base.description = "qxl gpu",
@ -965,6 +985,9 @@ static const QXLInterface qxl_interface = {
.flush_resources = interface_flush_resources,
.async_complete = interface_async_complete,
.update_area_complete = interface_update_area_complete,
#if SPICE_SERVER_VERSION >= 0x000b04
.set_client_capabilities = interface_set_client_capabilities,
#endif
};
static void qxl_enter_vga_mode(PCIQXLDevice *d)