2014-03-14 17:39:20 +04:00
|
|
|
/*
|
|
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or
|
|
|
|
* (at your option) any later version. See the COPYING file in the
|
|
|
|
* top-level directory.
|
|
|
|
*/
|
|
|
|
|
2016-01-26 21:17:07 +03:00
|
|
|
#include "qemu/osdep.h"
|
include/qemu/osdep.h: Don't include qapi/error.h
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef. Since then, we've moved to include qemu/osdep.h
everywhere. Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h. That's in excess of
100KiB of crap most .c files don't actually need.
Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h. Include qapi/error.h in .c files that need it and don't
get it now. Include qapi-types.h in qom/object.h for uint16List.
Update scripts/clean-includes accordingly. Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h
comment quoted above similarly.
This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third. Unfortunately, the number depending on
qapi-types.h shrinks only a little. More work is needed for that one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-14 11:01:28 +03:00
|
|
|
#include "qapi/error.h"
|
2014-03-14 17:39:20 +04:00
|
|
|
#include "qemu/iov.h"
|
2019-05-23 17:35:07 +03:00
|
|
|
#include "qemu/module.h"
|
2016-06-23 12:51:35 +03:00
|
|
|
#include "trace.h"
|
2014-03-14 17:39:20 +04:00
|
|
|
|
|
|
|
#include "hw/qdev.h"
|
|
|
|
#include "hw/virtio/virtio.h"
|
|
|
|
#include "hw/virtio/virtio-input.h"
|
|
|
|
|
|
|
|
#include "standard-headers/linux/input.h"
|
|
|
|
|
2016-04-05 15:31:41 +03:00
|
|
|
#define VIRTIO_INPUT_VM_VERSION 1
|
|
|
|
|
2014-03-14 17:39:20 +04:00
|
|
|
/* ----------------------------------------------------------------- */
|
|
|
|
|
|
|
|
void virtio_input_send(VirtIOInput *vinput, virtio_input_event *event)
|
|
|
|
{
|
2016-02-04 17:26:51 +03:00
|
|
|
VirtQueueElement *elem;
|
2014-03-14 17:39:20 +04:00
|
|
|
int i, len;
|
|
|
|
|
2015-10-16 14:33:07 +03:00
|
|
|
if (!vinput->active) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2014-03-14 17:39:20 +04:00
|
|
|
/* queue up events ... */
|
|
|
|
if (vinput->qindex == vinput->qsize) {
|
|
|
|
vinput->qsize++;
|
2017-03-24 17:24:49 +03:00
|
|
|
vinput->queue = g_realloc(vinput->queue, vinput->qsize *
|
2017-03-24 17:24:50 +03:00
|
|
|
sizeof(vinput->queue[0]));
|
2014-03-14 17:39:20 +04:00
|
|
|
}
|
2017-03-24 17:24:50 +03:00
|
|
|
vinput->queue[vinput->qindex++].event = *event;
|
2014-03-14 17:39:20 +04:00
|
|
|
|
|
|
|
/* ... until we see a report sync ... */
|
|
|
|
if (event->type != cpu_to_le16(EV_SYN) ||
|
|
|
|
event->code != cpu_to_le16(SYN_REPORT)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ... then check available space ... */
|
|
|
|
for (i = 0; i < vinput->qindex; i++) {
|
2016-02-04 17:26:51 +03:00
|
|
|
elem = virtqueue_pop(vinput->evt, sizeof(VirtQueueElement));
|
|
|
|
if (!elem) {
|
2017-03-24 17:24:50 +03:00
|
|
|
while (--i >= 0) {
|
|
|
|
virtqueue_unpop(vinput->evt, vinput->queue[i].elem, 0);
|
|
|
|
}
|
|
|
|
vinput->qindex = 0;
|
|
|
|
trace_virtio_input_queue_full();
|
2014-03-14 17:39:20 +04:00
|
|
|
return;
|
|
|
|
}
|
2017-03-24 17:24:50 +03:00
|
|
|
vinput->queue[i].elem = elem;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ... and finally pass them to the guest */
|
|
|
|
for (i = 0; i < vinput->qindex; i++) {
|
|
|
|
elem = vinput->queue[i].elem;
|
2016-02-04 17:26:51 +03:00
|
|
|
len = iov_from_buf(elem->in_sg, elem->in_num,
|
2017-03-24 17:24:50 +03:00
|
|
|
0, &vinput->queue[i].event, sizeof(virtio_input_event));
|
2016-02-04 17:26:51 +03:00
|
|
|
virtqueue_push(vinput->evt, elem, len);
|
|
|
|
g_free(elem);
|
2014-03-14 17:39:20 +04:00
|
|
|
}
|
|
|
|
virtio_notify(VIRTIO_DEVICE(vinput), vinput->evt);
|
|
|
|
vinput->qindex = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void virtio_input_handle_evt(VirtIODevice *vdev, VirtQueue *vq)
|
|
|
|
{
|
|
|
|
/* nothing */
|
|
|
|
}
|
|
|
|
|
|
|
|
static void virtio_input_handle_sts(VirtIODevice *vdev, VirtQueue *vq)
|
|
|
|
{
|
|
|
|
VirtIOInputClass *vic = VIRTIO_INPUT_GET_CLASS(vdev);
|
|
|
|
VirtIOInput *vinput = VIRTIO_INPUT(vdev);
|
|
|
|
virtio_input_event event;
|
2016-02-04 17:26:51 +03:00
|
|
|
VirtQueueElement *elem;
|
2014-03-14 17:39:20 +04:00
|
|
|
int len;
|
|
|
|
|
2016-02-04 17:26:51 +03:00
|
|
|
for (;;) {
|
|
|
|
elem = virtqueue_pop(vinput->sts, sizeof(VirtQueueElement));
|
|
|
|
if (!elem) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2014-03-14 17:39:20 +04:00
|
|
|
memset(&event, 0, sizeof(event));
|
2016-02-04 17:26:51 +03:00
|
|
|
len = iov_to_buf(elem->out_sg, elem->out_num,
|
2014-03-14 17:39:20 +04:00
|
|
|
0, &event, sizeof(event));
|
|
|
|
if (vic->handle_status) {
|
|
|
|
vic->handle_status(vinput, &event);
|
|
|
|
}
|
2016-02-04 17:26:51 +03:00
|
|
|
virtqueue_push(vinput->sts, elem, len);
|
|
|
|
g_free(elem);
|
2014-03-14 17:39:20 +04:00
|
|
|
}
|
|
|
|
virtio_notify(vdev, vinput->sts);
|
|
|
|
}
|
|
|
|
|
2016-04-13 17:43:23 +03:00
|
|
|
virtio_input_config *virtio_input_find_config(VirtIOInput *vinput,
|
|
|
|
uint8_t select,
|
|
|
|
uint8_t subsel)
|
2014-03-14 17:39:20 +04:00
|
|
|
{
|
|
|
|
VirtIOInputConfig *cfg;
|
|
|
|
|
|
|
|
QTAILQ_FOREACH(cfg, &vinput->cfg_list, node) {
|
|
|
|
if (select == cfg->config.select &&
|
|
|
|
subsel == cfg->config.subsel) {
|
|
|
|
return &cfg->config;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
void virtio_input_add_config(VirtIOInput *vinput,
|
|
|
|
virtio_input_config *config)
|
|
|
|
{
|
|
|
|
VirtIOInputConfig *cfg;
|
|
|
|
|
|
|
|
if (virtio_input_find_config(vinput, config->select, config->subsel)) {
|
|
|
|
/* should not happen */
|
|
|
|
fprintf(stderr, "%s: duplicate config: %d/%d\n",
|
|
|
|
__func__, config->select, config->subsel);
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
|
|
|
|
cfg = g_new0(VirtIOInputConfig, 1);
|
|
|
|
cfg->config = *config;
|
|
|
|
QTAILQ_INSERT_TAIL(&vinput->cfg_list, cfg, node);
|
|
|
|
}
|
|
|
|
|
|
|
|
void virtio_input_init_config(VirtIOInput *vinput,
|
|
|
|
virtio_input_config *config)
|
|
|
|
{
|
|
|
|
int i = 0;
|
|
|
|
|
|
|
|
QTAILQ_INIT(&vinput->cfg_list);
|
|
|
|
while (config[i].select) {
|
|
|
|
virtio_input_add_config(vinput, config + i);
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void virtio_input_idstr_config(VirtIOInput *vinput,
|
|
|
|
uint8_t select, const char *string)
|
|
|
|
{
|
|
|
|
virtio_input_config id;
|
|
|
|
|
|
|
|
if (!string) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
memset(&id, 0, sizeof(id));
|
|
|
|
id.select = select;
|
|
|
|
id.size = snprintf(id.u.string, sizeof(id.u.string), "%s", string);
|
|
|
|
virtio_input_add_config(vinput, &id);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void virtio_input_get_config(VirtIODevice *vdev, uint8_t *config_data)
|
|
|
|
{
|
|
|
|
VirtIOInput *vinput = VIRTIO_INPUT(vdev);
|
|
|
|
virtio_input_config *config;
|
|
|
|
|
|
|
|
config = virtio_input_find_config(vinput, vinput->cfg_select,
|
|
|
|
vinput->cfg_subsel);
|
|
|
|
if (config) {
|
|
|
|
memcpy(config_data, config, vinput->cfg_size);
|
|
|
|
} else {
|
|
|
|
memset(config_data, 0, vinput->cfg_size);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void virtio_input_set_config(VirtIODevice *vdev,
|
|
|
|
const uint8_t *config_data)
|
|
|
|
{
|
|
|
|
VirtIOInput *vinput = VIRTIO_INPUT(vdev);
|
|
|
|
virtio_input_config *config = (virtio_input_config *)config_data;
|
|
|
|
|
|
|
|
vinput->cfg_select = config->select;
|
|
|
|
vinput->cfg_subsel = config->subsel;
|
|
|
|
virtio_notify_config(vdev);
|
|
|
|
}
|
|
|
|
|
2015-07-27 12:49:19 +03:00
|
|
|
static uint64_t virtio_input_get_features(VirtIODevice *vdev, uint64_t f,
|
|
|
|
Error **errp)
|
2014-03-14 17:39:20 +04:00
|
|
|
{
|
|
|
|
return f;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void virtio_input_set_status(VirtIODevice *vdev, uint8_t val)
|
|
|
|
{
|
|
|
|
VirtIOInputClass *vic = VIRTIO_INPUT_GET_CLASS(vdev);
|
|
|
|
VirtIOInput *vinput = VIRTIO_INPUT(vdev);
|
|
|
|
|
|
|
|
if (val & VIRTIO_CONFIG_S_DRIVER_OK) {
|
|
|
|
if (!vinput->active) {
|
|
|
|
vinput->active = true;
|
|
|
|
if (vic->change_active) {
|
|
|
|
vic->change_active(vinput);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void virtio_input_reset(VirtIODevice *vdev)
|
|
|
|
{
|
|
|
|
VirtIOInputClass *vic = VIRTIO_INPUT_GET_CLASS(vdev);
|
|
|
|
VirtIOInput *vinput = VIRTIO_INPUT(vdev);
|
|
|
|
|
|
|
|
if (vinput->active) {
|
|
|
|
vinput->active = false;
|
|
|
|
if (vic->change_active) {
|
|
|
|
vic->change_active(vinput);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-10-06 15:55:45 +03:00
|
|
|
static int virtio_input_post_load(void *opaque, int version_id)
|
2016-04-05 15:31:41 +03:00
|
|
|
{
|
|
|
|
VirtIOInput *vinput = opaque;
|
|
|
|
VirtIOInputClass *vic = VIRTIO_INPUT_GET_CLASS(vinput);
|
|
|
|
VirtIODevice *vdev = VIRTIO_DEVICE(vinput);
|
|
|
|
|
|
|
|
vinput->active = vdev->status & VIRTIO_CONFIG_S_DRIVER_OK;
|
|
|
|
if (vic->change_active) {
|
|
|
|
vic->change_active(vinput);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-03-14 17:39:20 +04:00
|
|
|
static void virtio_input_device_realize(DeviceState *dev, Error **errp)
|
|
|
|
{
|
|
|
|
VirtIOInputClass *vic = VIRTIO_INPUT_GET_CLASS(dev);
|
|
|
|
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
|
|
|
|
VirtIOInput *vinput = VIRTIO_INPUT(dev);
|
|
|
|
VirtIOInputConfig *cfg;
|
|
|
|
Error *local_err = NULL;
|
|
|
|
|
|
|
|
if (vic->realize) {
|
|
|
|
vic->realize(dev, &local_err);
|
|
|
|
if (local_err) {
|
|
|
|
error_propagate(errp, local_err);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
virtio_input_idstr_config(vinput, VIRTIO_INPUT_CFG_ID_SERIAL,
|
2015-06-18 18:45:47 +03:00
|
|
|
vinput->serial);
|
2014-03-14 17:39:20 +04:00
|
|
|
|
|
|
|
QTAILQ_FOREACH(cfg, &vinput->cfg_list, node) {
|
|
|
|
if (vinput->cfg_size < cfg->config.size) {
|
|
|
|
vinput->cfg_size = cfg->config.size;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
vinput->cfg_size += 8;
|
|
|
|
assert(vinput->cfg_size <= sizeof(virtio_input_config));
|
|
|
|
|
|
|
|
virtio_init(vdev, "virtio-input", VIRTIO_ID_INPUT,
|
|
|
|
vinput->cfg_size);
|
|
|
|
vinput->evt = virtio_add_queue(vdev, 64, virtio_input_handle_evt);
|
|
|
|
vinput->sts = virtio_add_queue(vdev, 64, virtio_input_handle_sts);
|
|
|
|
}
|
|
|
|
|
2016-07-15 11:55:12 +03:00
|
|
|
static void virtio_input_finalize(Object *obj)
|
|
|
|
{
|
|
|
|
VirtIOInput *vinput = VIRTIO_INPUT(obj);
|
|
|
|
VirtIOInputConfig *cfg, *next;
|
|
|
|
|
|
|
|
QTAILQ_FOREACH_SAFE(cfg, &vinput->cfg_list, node, next) {
|
|
|
|
QTAILQ_REMOVE(&vinput->cfg_list, cfg, node);
|
|
|
|
g_free(cfg);
|
|
|
|
}
|
2017-03-24 17:24:49 +03:00
|
|
|
|
|
|
|
g_free(vinput->queue);
|
2016-07-15 11:55:12 +03:00
|
|
|
}
|
2014-03-14 17:39:20 +04:00
|
|
|
static void virtio_input_device_unrealize(DeviceState *dev, Error **errp)
|
|
|
|
{
|
|
|
|
VirtIOInputClass *vic = VIRTIO_INPUT_GET_CLASS(dev);
|
|
|
|
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
|
|
|
|
Error *local_err = NULL;
|
|
|
|
|
|
|
|
if (vic->unrealize) {
|
|
|
|
vic->unrealize(dev, &local_err);
|
|
|
|
if (local_err) {
|
|
|
|
error_propagate(errp, local_err);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
virtio_cleanup(vdev);
|
|
|
|
}
|
|
|
|
|
2016-10-06 15:55:45 +03:00
|
|
|
static const VMStateDescription vmstate_virtio_input = {
|
|
|
|
.name = "virtio-input",
|
|
|
|
.minimum_version_id = VIRTIO_INPUT_VM_VERSION,
|
|
|
|
.version_id = VIRTIO_INPUT_VM_VERSION,
|
|
|
|
.fields = (VMStateField[]) {
|
|
|
|
VMSTATE_VIRTIO_DEVICE,
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
},
|
|
|
|
.post_load = virtio_input_post_load,
|
|
|
|
};
|
2016-07-14 20:22:53 +03:00
|
|
|
|
2015-06-18 18:45:47 +03:00
|
|
|
static Property virtio_input_properties[] = {
|
|
|
|
DEFINE_PROP_STRING("serial", VirtIOInput, serial),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
|
|
};
|
|
|
|
|
2014-03-14 17:39:20 +04:00
|
|
|
static void virtio_input_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
|
|
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
|
|
|
|
|
2015-06-18 18:45:47 +03:00
|
|
|
dc->props = virtio_input_properties;
|
2016-07-14 20:22:53 +03:00
|
|
|
dc->vmsd = &vmstate_virtio_input;
|
2014-03-14 17:39:20 +04:00
|
|
|
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
|
|
|
|
vdc->realize = virtio_input_device_realize;
|
|
|
|
vdc->unrealize = virtio_input_device_unrealize;
|
|
|
|
vdc->get_config = virtio_input_get_config;
|
|
|
|
vdc->set_config = virtio_input_set_config;
|
|
|
|
vdc->get_features = virtio_input_get_features;
|
|
|
|
vdc->set_status = virtio_input_set_status;
|
|
|
|
vdc->reset = virtio_input_reset;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const TypeInfo virtio_input_info = {
|
|
|
|
.name = TYPE_VIRTIO_INPUT,
|
|
|
|
.parent = TYPE_VIRTIO_DEVICE,
|
|
|
|
.instance_size = sizeof(VirtIOInput),
|
|
|
|
.class_size = sizeof(VirtIOInputClass),
|
|
|
|
.class_init = virtio_input_class_init,
|
|
|
|
.abstract = true,
|
2016-07-15 11:55:12 +03:00
|
|
|
.instance_finalize = virtio_input_finalize,
|
2014-03-14 17:39:20 +04:00
|
|
|
};
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
|
|
|
|
|
|
static void virtio_register_types(void)
|
|
|
|
{
|
|
|
|
type_register_static(&virtio_input_info);
|
|
|
|
}
|
|
|
|
|
|
|
|
type_init(virtio_register_types)
|