* Dave Airlie <airlied@redhat.com>
* Gerd Hoffmann <kraxel@redhat.com>
*
- * This work is licensed under the terms of the GNU GPL, version 2.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
+#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/iov.h"
#include "ui/console.h"
static struct virtio_gpu_simple_resource*
virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
+#ifdef CONFIG_VIRGL
+#include "virglrenderer.h"
+#define VIRGL(_g, _virgl, _simple, ...) \
+ do { \
+ if (_g->use_virgl_renderer) { \
+ _virgl(__VA_ARGS__); \
+ } else { \
+ _simple(__VA_ARGS__); \
+ } \
+ } while (0)
+#else
+#define VIRGL(_g, _virgl, _simple, ...) \
+ do { \
+ _simple(__VA_ARGS__); \
+ } while (0)
+#endif
+
static void update_cursor_data_simple(VirtIOGPU *g,
struct virtio_gpu_scanout *s,
uint32_t resource_id)
pixels * sizeof(uint32_t));
}
+#ifdef CONFIG_VIRGL
+
+static void update_cursor_data_virgl(VirtIOGPU *g,
+ struct virtio_gpu_scanout *s,
+ uint32_t resource_id)
+{
+ uint32_t width, height;
+ uint32_t pixels, *data;
+
+ data = virgl_renderer_get_cursor_data(resource_id, &width, &height);
+ if (!data) {
+ return;
+ }
+
+ if (width != s->current_cursor->width ||
+ height != s->current_cursor->height) {
+ return;
+ }
+
+ pixels = s->current_cursor->width * s->current_cursor->height;
+ memcpy(s->current_cursor->data, data, pixels * sizeof(uint32_t));
+ free(data);
+}
+
+#endif
+
static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor)
{
struct virtio_gpu_scanout *s;
+ bool move = cursor->hdr.type != VIRTIO_GPU_CMD_MOVE_CURSOR;
if (cursor->pos.scanout_id >= g->conf.max_outputs) {
return;
}
s = &g->scanout[cursor->pos.scanout_id];
- if (cursor->hdr.type != VIRTIO_GPU_CMD_MOVE_CURSOR) {
+ trace_virtio_gpu_update_cursor(cursor->pos.scanout_id,
+ cursor->pos.x,
+ cursor->pos.y,
+ move ? "move" : "update",
+ cursor->resource_id);
+
+ if (move) {
if (!s->current_cursor) {
s->current_cursor = cursor_alloc(64, 64);
}
s->current_cursor->hot_y = cursor->hot_y;
if (cursor->resource_id > 0) {
- update_cursor_data_simple(g, s, cursor->resource_id);
+ VIRGL(g, update_cursor_data_virgl, update_cursor_data_simple,
+ g, s, cursor->resource_id);
}
dpy_cursor_define(s->con, s->current_cursor);
}
static uint64_t virtio_gpu_get_features(VirtIODevice *vdev, uint64_t features,
Error **errp)
{
+ VirtIOGPU *g = VIRTIO_GPU(vdev);
+
+ if (virtio_gpu_virgl_enabled(g->conf)) {
+ features |= (1 << VIRTIO_GPU_F_VIRGL);
+ }
return features;
}
+static void virtio_gpu_set_features(VirtIODevice *vdev, uint64_t features)
+{
+ static const uint32_t virgl = (1 << VIRTIO_GPU_F_VIRGL);
+ VirtIOGPU *g = VIRTIO_GPU(vdev);
+
+ g->use_virgl_renderer = ((features & virgl) == virgl);
+ trace_virtio_gpu_features(g->use_virgl_renderer);
+}
+
static void virtio_gpu_notify_event(VirtIOGPU *g, uint32_t event_type)
{
g->virtio_config.events_read |= event_type;
scanout->width != ss.r.width ||
scanout->height != ss.r.height) {
/* realloc the surface ptr */
- scanout->ds = qemu_create_displaysurface_from
- (ss.r.width, ss.r.height, format,
- pixman_image_get_stride(res->image),
- (uint8_t *)pixman_image_get_data(res->image) + offset);
+ scanout->ds = qemu_create_displaysurface_pixman(res->image);
if (!scanout->ds) {
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
return;
__func__, ab->resource_id, i);
virtio_gpu_cleanup_mapping_iov(*iov, i);
g_free(ents);
- g_free(*iov);
*iov = NULL;
return -1;
}
cpu_physical_memory_unmap(iov[i].iov_base, iov[i].iov_len, 1,
iov[i].iov_len);
}
+ g_free(iov);
}
static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res)
{
virtio_gpu_cleanup_mapping_iov(res->iov, res->iov_cnt);
- g_free(res->iov);
res->iov = NULL;
res->iov_cnt = 0;
}
qemu_bh_schedule(g->cursor_bh);
}
+void virtio_gpu_process_cmdq(VirtIOGPU *g)
+{
+ struct virtio_gpu_ctrl_command *cmd;
+
+ while (!QTAILQ_EMPTY(&g->cmdq)) {
+ cmd = QTAILQ_FIRST(&g->cmdq);
+
+ /* process command */
+ VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd,
+ g, cmd);
+ if (cmd->waiting) {
+ break;
+ }
+ QTAILQ_REMOVE(&g->cmdq, cmd, next);
+ if (virtio_gpu_stats_enabled(g->conf)) {
+ g->stats.requests++;
+ }
+
+ if (!cmd->finished) {
+ QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next);
+ g->inflight++;
+ if (virtio_gpu_stats_enabled(g->conf)) {
+ if (g->stats.max_inflight < g->inflight) {
+ g->stats.max_inflight = g->inflight;
+ }
+ fprintf(stderr, "inflight: %3d (+)\r", g->inflight);
+ }
+ } else {
+ g_free(cmd);
+ }
+ }
+}
+
static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
return;
}
- cmd = g_new(struct virtio_gpu_ctrl_command, 1);
- while (virtqueue_pop(vq, &cmd->elem)) {
+#ifdef CONFIG_VIRGL
+ if (!g->renderer_inited && g->use_virgl_renderer) {
+ virtio_gpu_virgl_init(g);
+ g->renderer_inited = true;
+ }
+#endif
+
+ cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command));
+ while (cmd) {
cmd->vq = vq;
cmd->error = 0;
cmd->finished = false;
- g->stats.requests++;
+ cmd->waiting = false;
+ QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next);
+ cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command));
+ }
- virtio_gpu_simple_process_cmd(g, cmd);
- if (!cmd->finished) {
- QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next);
- g->stats.inflight++;
- if (g->stats.max_inflight < g->stats.inflight) {
- g->stats.max_inflight = g->stats.inflight;
- }
- fprintf(stderr, "inflight: %3d (+)\r", g->stats.inflight);
- cmd = g_new(struct virtio_gpu_ctrl_command, 1);
- }
+ virtio_gpu_process_cmdq(g);
+
+#ifdef CONFIG_VIRGL
+ if (g->use_virgl_renderer) {
+ virtio_gpu_virgl_fence_poll(g);
}
- g_free(cmd);
+#endif
}
static void virtio_gpu_ctrl_bh(void *opaque)
static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
- VirtQueueElement elem;
+ VirtQueueElement *elem;
size_t s;
struct virtio_gpu_update_cursor cursor_info;
if (!virtio_queue_ready(vq)) {
return;
}
- while (virtqueue_pop(vq, &elem)) {
- s = iov_to_buf(elem.out_sg, elem.out_num, 0,
+ for (;;) {
+ elem = virtqueue_pop(vq, sizeof(VirtQueueElement));
+ if (!elem) {
+ break;
+ }
+
+ s = iov_to_buf(elem->out_sg, elem->out_num, 0,
&cursor_info, sizeof(cursor_info));
if (s != sizeof(cursor_info)) {
qemu_log_mask(LOG_GUEST_ERROR,
} else {
update_cursor(g, &cursor_info);
}
- virtqueue_push(vq, &elem, 0);
+ virtqueue_push(vq, elem, 0);
virtio_notify(vdev, vq);
+ g_free(elem);
}
}
return 0;
}
+static void virtio_gpu_gl_block(void *opaque, bool block)
+{
+ VirtIOGPU *g = opaque;
+
+ g->renderer_blocked = block;
+ if (!block) {
+ virtio_gpu_process_cmdq(g);
+ }
+}
+
const GraphicHwOps virtio_gpu_ops = {
.invalidate = virtio_gpu_invalidate_display,
.gfx_update = virtio_gpu_update_display,
.text_update = virtio_gpu_text_update,
.ui_info = virtio_gpu_ui_info,
+ .gl_block = virtio_gpu_gl_block,
+};
+
+static const VMStateDescription vmstate_virtio_gpu_unmigratable = {
+ .name = "virtio-gpu",
+ .unmigratable = 1,
};
static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
VirtIOGPU *g = VIRTIO_GPU(qdev);
+ bool have_virgl;
int i;
g->config_size = sizeof(struct virtio_gpu_config);
g->req_state[0].width = 1024;
g->req_state[0].height = 768;
- g->ctrl_vq = virtio_add_queue(vdev, 64, virtio_gpu_handle_ctrl_cb);
- g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb);
+ g->use_virgl_renderer = false;
+#if !defined(CONFIG_VIRGL) || defined(HOST_WORDS_BIGENDIAN)
+ have_virgl = false;
+#else
+ have_virgl = display_opengl;
+#endif
+ if (!have_virgl) {
+ g->conf.flags &= ~(1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED);
+ }
+
+ if (virtio_gpu_virgl_enabled(g->conf)) {
+ /* use larger control queue in 3d mode */
+ g->ctrl_vq = virtio_add_queue(vdev, 256, virtio_gpu_handle_ctrl_cb);
+ g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb);
+ g->virtio_config.num_capsets = 1;
+ } else {
+ g->ctrl_vq = virtio_add_queue(vdev, 64, virtio_gpu_handle_ctrl_cb);
+ g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb);
+ }
g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g);
g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g);
QTAILQ_INIT(&g->reslist);
+ QTAILQ_INIT(&g->cmdq);
QTAILQ_INIT(&g->fenceq);
g->enabled_output_bitmask = 1;
dpy_gfx_replace_surface(g->scanout[i].con, NULL);
}
}
+
+ vmstate_register(qdev, -1, &vmstate_virtio_gpu_unmigratable, g);
}
static void virtio_gpu_instance_init(Object *obj)
g->scanout[i].ds = NULL;
}
g->enabled_output_bitmask = 1;
+
+#ifdef CONFIG_VIRGL
+ if (g->use_virgl_renderer) {
+ virtio_gpu_virgl_reset(g);
+ g->use_virgl_renderer = 0;
+ }
+#endif
}
static Property virtio_gpu_properties[] = {
DEFINE_PROP_UINT32("max_outputs", VirtIOGPU, conf.max_outputs, 1),
+#ifdef CONFIG_VIRGL
+ DEFINE_PROP_BIT("virgl", VirtIOGPU, conf.flags,
+ VIRTIO_GPU_FLAG_VIRGL_ENABLED, true),
+ DEFINE_PROP_BIT("stats", VirtIOGPU, conf.flags,
+ VIRTIO_GPU_FLAG_STATS_ENABLED, false),
+#endif
DEFINE_PROP_END_OF_LIST(),
};
vdc->get_config = virtio_gpu_get_config;
vdc->set_config = virtio_gpu_set_config;
vdc->get_features = virtio_gpu_get_features;
+ vdc->set_features = virtio_gpu_set_features;
vdc->reset = virtio_gpu_reset;
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_attach_backing) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_detach_backing) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_display_info) != 408);
+
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_transfer_host_3d) != 72);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_create_3d) != 72);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_create) != 96);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_destroy) != 24);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_resource) != 32);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_cmd_submit) != 32);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_get_capset_info) != 32);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_capset_info) != 40);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_get_capset) != 32);
+QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_capset) != 24);
Code Review / kvmfornfv.git / blobdiff