From 9fd87802f494c0f4a274a4de54bf065926514583 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 23 Jun 2011 12:41:26 -0300 Subject: [RHEL6 qemu-kvm PATCH 051/115] usb hid: add migration support RH-Author: Gerd Hoffmann Message-id: <1308832951-8995-51-git-send-email-kraxel@redhat.com> Patchwork-id: 27901 O-Subject: [RHEL-6.2 kvm PATCH 050/115] usb hid: add migration support Bugzilla: 561414 632299 645351 711354 RH-Acked-by: Hans de Goede RH-Acked-by: Paolo Bonzini RH-Acked-by: Jes Sorensen RH-Acked-by: Kevin Wolf Signed-off-by: Gerd Hoffmann (cherry picked from commit ee59e6b3bf2074774a0626bc3d5389f2b7bd05bd) --- hw/usb-hid.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 64 insertions(+), 2 deletions(-) Signed-off-by: Eduardo Habkost --- hw/usb-hid.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 64 insertions(+), 2 deletions(-) diff --git a/hw/usb-hid.c b/hw/usb-hid.c index a191c18..f9d9ca4 100644 --- a/hw/usb-hid.c +++ b/hw/usb-hid.c @@ -65,7 +65,7 @@ typedef struct USBKeyboardState { uint16_t modifiers; uint8_t leds; uint8_t key[16]; - int keys; + int32_t keys; } USBKeyboardState; typedef struct USBHIDState { @@ -77,7 +77,7 @@ typedef struct USBHIDState { uint32_t head; /* index into circular queue */ uint32_t n; int kind; - int protocol; + int32_t protocol; uint8_t idle; int64_t next_idle_clock; int changed; @@ -894,12 +894,72 @@ void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *)) s->datain = datain; } +static int usb_hid_post_load(void *opaque, int version_id) +{ + USBHIDState *s = opaque; + + if (s->idle) { + usb_hid_set_next_idle(s, qemu_get_clock(vm_clock)); + } + return 0; +} + +static const VMStateDescription vmstate_usb_ptr_queue = { + .name = "usb-ptr-queue", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField []) { + VMSTATE_INT32(xdx, USBPointerEvent), + VMSTATE_INT32(ydy, USBPointerEvent), + VMSTATE_INT32(dz, USBPointerEvent), + VMSTATE_INT32(buttons_state, USBPointerEvent), + VMSTATE_END_OF_LIST() + } +}; +static const VMStateDescription vmstate_usb_ptr = { + .name = "usb-ptr", + .version_id = 1, + .minimum_version_id = 1, + .post_load = usb_hid_post_load, + .fields = (VMStateField []) { + VMSTATE_USB_DEVICE(dev, USBHIDState), + VMSTATE_STRUCT_ARRAY(ptr.queue, USBHIDState, QUEUE_LENGTH, 0, + vmstate_usb_ptr_queue, USBPointerEvent), + VMSTATE_UINT32(head, USBHIDState), + VMSTATE_UINT32(n, USBHIDState), + VMSTATE_INT32(protocol, USBHIDState), + VMSTATE_UINT8(idle, USBHIDState), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_usb_kbd = { + .name = "usb-kbd", + .version_id = 1, + .minimum_version_id = 1, + .post_load = usb_hid_post_load, + .fields = (VMStateField []) { + VMSTATE_USB_DEVICE(dev, USBHIDState), + VMSTATE_UINT32_ARRAY(kbd.keycodes, USBHIDState, QUEUE_LENGTH), + VMSTATE_UINT32(head, USBHIDState), + VMSTATE_UINT32(n, USBHIDState), + VMSTATE_UINT16(kbd.modifiers, USBHIDState), + VMSTATE_UINT8(kbd.leds, USBHIDState), + VMSTATE_UINT8_ARRAY(kbd.key, USBHIDState, 16), + VMSTATE_INT32(kbd.keys, USBHIDState), + VMSTATE_INT32(protocol, USBHIDState), + VMSTATE_UINT8(idle, USBHIDState), + VMSTATE_END_OF_LIST() + } +}; + static struct USBDeviceInfo hid_info[] = { { .product_desc = "QEMU USB Tablet", .qdev.name = "usb-tablet", .usbdevice_name = "tablet", .qdev.size = sizeof(USBHIDState), + .qdev.vmsd = &vmstate_usb_ptr, .usb_desc = &desc_tablet, .init = usb_tablet_initfn, .handle_packet = usb_generic_handle_packet, @@ -912,6 +972,7 @@ static struct USBDeviceInfo hid_info[] = { .qdev.name = "usb-mouse", .usbdevice_name = "mouse", .qdev.size = sizeof(USBHIDState), + .qdev.vmsd = &vmstate_usb_ptr, .usb_desc = &desc_mouse, .init = usb_mouse_initfn, .handle_packet = usb_generic_handle_packet, @@ -924,6 +985,7 @@ static struct USBDeviceInfo hid_info[] = { .qdev.name = "usb-kbd", .usbdevice_name = "keyboard", .qdev.size = sizeof(USBHIDState), + .qdev.vmsd = &vmstate_usb_kbd, .usb_desc = &desc_keyboard, .init = usb_keyboard_initfn, .handle_packet = usb_generic_handle_packet, -- 1.7.3.2