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Diffstat (limited to 'hw/display/virtio-gpu.c')
-rw-r--r--hw/display/virtio-gpu.c218
1 files changed, 66 insertions, 152 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index c9f5e36fd0..db56f0454a 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -39,26 +39,9 @@ virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
static void virtio_gpu_cleanup_mapping(VirtIOGPU *g,
struct virtio_gpu_simple_resource *res);
-#ifdef CONFIG_VIRGL
-#include <virglrenderer.h>
-#define VIRGL(_g, _virgl, _simple, ...) \
- do { \
- if (_g->parent_obj.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)
+void virtio_gpu_update_cursor_data(VirtIOGPU *g,
+ struct virtio_gpu_scanout *s,
+ uint32_t resource_id)
{
struct virtio_gpu_simple_resource *res;
uint32_t pixels;
@@ -79,36 +62,10 @@ static void update_cursor_data_simple(VirtIOGPU *g,
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) {
- free(data);
- 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;
+ VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g);
bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR;
if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) {
@@ -131,8 +88,7 @@ static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor)
s->current_cursor->hot_y = cursor->hot_y;
if (cursor->resource_id > 0) {
- VIRGL(g, update_cursor_data_virgl, update_cursor_data_simple,
- g, s, cursor->resource_id);
+ vgc->update_cursor_data(g, s, cursor->resource_id);
}
dpy_cursor_define(s->con, s->current_cursor);
@@ -608,11 +564,12 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g,
int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
struct virtio_gpu_resource_attach_backing *ab,
struct virtio_gpu_ctrl_command *cmd,
- uint64_t **addr, struct iovec **iov)
+ uint64_t **addr, struct iovec **iov,
+ uint32_t *niov)
{
struct virtio_gpu_mem_entry *ents;
size_t esize, s;
- int i;
+ int e, v;
if (ab->nr_entries > 16384) {
qemu_log_mask(LOG_GUEST_ERROR,
@@ -633,37 +590,53 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
return -1;
}
- *iov = g_malloc0(sizeof(struct iovec) * ab->nr_entries);
+ *iov = NULL;
if (addr) {
- *addr = g_malloc0(sizeof(uint64_t) * ab->nr_entries);
+ *addr = NULL;
}
- for (i = 0; i < ab->nr_entries; i++) {
- uint64_t a = le64_to_cpu(ents[i].addr);
- uint32_t l = le32_to_cpu(ents[i].length);
- hwaddr len = l;
- (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as,
- a, &len, DMA_DIRECTION_TO_DEVICE);
- (*iov)[i].iov_len = len;
- if (addr) {
- (*addr)[i] = a;
- }
- if (!(*iov)[i].iov_base || len != l) {
- qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for"
- " resource %d element %d\n",
- __func__, ab->resource_id, i);
- if ((*iov)[i].iov_base) {
- i++; /* cleanup the 'i'th map */
+ for (e = 0, v = 0; e < ab->nr_entries; e++) {
+ uint64_t a = le64_to_cpu(ents[e].addr);
+ uint32_t l = le32_to_cpu(ents[e].length);
+ hwaddr len;
+ void *map;
+
+ do {
+ len = l;
+ map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as,
+ a, &len, DMA_DIRECTION_TO_DEVICE);
+ if (!map) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for"
+ " resource %d element %d\n",
+ __func__, ab->resource_id, e);
+ virtio_gpu_cleanup_mapping_iov(g, *iov, v);
+ g_free(ents);
+ *iov = NULL;
+ if (addr) {
+ g_free(*addr);
+ *addr = NULL;
+ }
+ return -1;
}
- virtio_gpu_cleanup_mapping_iov(g, *iov, i);
- g_free(ents);
- *iov = NULL;
+
+ if (!(v % 16)) {
+ *iov = g_realloc(*iov, sizeof(struct iovec) * (v + 16));
+ if (addr) {
+ *addr = g_realloc(*addr, sizeof(uint64_t) * (v + 16));
+ }
+ }
+ (*iov)[v].iov_base = map;
+ (*iov)[v].iov_len = len;
if (addr) {
- g_free(*addr);
- *addr = NULL;
+ (*addr)[v] = a;
}
- return -1;
- }
+
+ a += len;
+ l -= len;
+ v += 1;
+ } while (l > 0);
}
+ *niov = v;
+
g_free(ents);
return 0;
}
@@ -717,13 +690,12 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g,
return;
}
- ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, &res->iov);
+ ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs,
+ &res->iov, &res->iov_cnt);
if (ret != 0) {
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
return;
}
-
- res->iov_cnt = ab.nr_entries;
}
static void
@@ -747,8 +719,8 @@ virtio_gpu_resource_detach_backing(VirtIOGPU *g,
virtio_gpu_cleanup_mapping(g, res);
}
-static void virtio_gpu_simple_process_cmd(VirtIOGPU *g,
- struct virtio_gpu_ctrl_command *cmd)
+void virtio_gpu_simple_process_cmd(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
{
VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr);
virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr);
@@ -806,6 +778,7 @@ static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq)
void virtio_gpu_process_cmdq(VirtIOGPU *g)
{
struct virtio_gpu_ctrl_command *cmd;
+ VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g);
if (g->processing_cmdq) {
return;
@@ -819,8 +792,7 @@ void virtio_gpu_process_cmdq(VirtIOGPU *g)
}
/* process command */
- VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd,
- g, cmd);
+ vgc->process_cmd(g, cmd);
QTAILQ_REMOVE(&g->cmdq, cmd, next);
if (virtio_gpu_stats_enabled(g->parent_obj.conf)) {
@@ -843,19 +815,6 @@ void virtio_gpu_process_cmdq(VirtIOGPU *g)
g->processing_cmdq = false;
}
-static void virtio_gpu_gl_flushed(VirtIOGPUBase *b)
-{
- VirtIOGPU *g = VIRTIO_GPU(b);
-
-#ifdef CONFIG_VIRGL
- if (g->renderer_reset) {
- g->renderer_reset = false;
- virtio_gpu_virgl_reset(g);
- }
-#endif
- virtio_gpu_process_cmdq(g);
-}
-
static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
@@ -865,13 +824,6 @@ static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
return;
}
-#ifdef CONFIG_VIRGL
- if (!g->renderer_inited && g->parent_obj.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;
@@ -882,18 +834,14 @@ static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
}
virtio_gpu_process_cmdq(g);
-
-#ifdef CONFIG_VIRGL
- if (g->parent_obj.use_virgl_renderer) {
- virtio_gpu_virgl_fence_poll(g);
- }
-#endif
}
static void virtio_gpu_ctrl_bh(void *opaque)
{
VirtIOGPU *g = opaque;
- virtio_gpu_handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq);
+ VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g);
+
+ vgc->handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq);
}
static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq)
@@ -1105,25 +1053,10 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
return 0;
}
-static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
+void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
VirtIOGPU *g = VIRTIO_GPU(qdev);
- bool have_virgl;
-
-#if !defined(CONFIG_VIRGL) || defined(HOST_WORDS_BIGENDIAN)
- have_virgl = false;
-#else
- have_virgl = display_opengl;
-#endif
- if (!have_virgl) {
- g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED);
- } else {
-#if defined(CONFIG_VIRGL)
- VIRTIO_GPU_BASE(g)->virtio_config.num_capsets =
- virtio_gpu_virgl_get_num_capsets(g);
-#endif
- }
if (!virtio_gpu_base_device_realize(qdev,
virtio_gpu_handle_ctrl_cb,
@@ -1141,18 +1074,12 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
QTAILQ_INIT(&g->fenceq);
}
-static void virtio_gpu_reset(VirtIODevice *vdev)
+void virtio_gpu_reset(VirtIODevice *vdev)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
struct virtio_gpu_simple_resource *res, *tmp;
struct virtio_gpu_ctrl_command *cmd;
-#ifdef CONFIG_VIRGL
- if (g->parent_obj.use_virgl_renderer) {
- virtio_gpu_virgl_reset(g);
- }
-#endif
-
QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) {
virtio_gpu_resource_destroy(g, res);
}
@@ -1170,17 +1097,6 @@ static void virtio_gpu_reset(VirtIODevice *vdev)
g_free(cmd);
}
-#ifdef CONFIG_VIRGL
- if (g->parent_obj.use_virgl_renderer) {
- if (g->parent_obj.renderer_blocked) {
- g->renderer_reset = true;
- } else {
- virtio_gpu_virgl_reset(g);
- }
- g->parent_obj.use_virgl_renderer = false;
- }
-#endif
-
virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev));
}
@@ -1235,12 +1151,6 @@ static Property virtio_gpu_properties[] = {
VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf),
DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem,
256 * MiB),
-#ifdef CONFIG_VIRGL
- DEFINE_PROP_BIT("virgl", VirtIOGPU, parent_obj.conf.flags,
- VIRTIO_GPU_FLAG_VIRGL_ENABLED, true),
- DEFINE_PROP_BIT("stats", VirtIOGPU, parent_obj.conf.flags,
- VIRTIO_GPU_FLAG_STATS_ENABLED, false),
-#endif
DEFINE_PROP_END_OF_LIST(),
};
@@ -1248,9 +1158,12 @@ static void virtio_gpu_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
- VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass);
+ VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass);
+
+ vgc->handle_ctrl = virtio_gpu_handle_ctrl;
+ vgc->process_cmd = virtio_gpu_simple_process_cmd;
+ vgc->update_cursor_data = virtio_gpu_update_cursor_data;
- vgc->gl_flushed = virtio_gpu_gl_flushed;
vdc->realize = virtio_gpu_device_realize;
vdc->reset = virtio_gpu_reset;
vdc->get_config = virtio_gpu_get_config;
@@ -1264,6 +1177,7 @@ static const TypeInfo virtio_gpu_info = {
.name = TYPE_VIRTIO_GPU,
.parent = TYPE_VIRTIO_GPU_BASE,
.instance_size = sizeof(VirtIOGPU),
+ .class_size = sizeof(VirtIOGPUClass),
.class_init = virtio_gpu_class_init,
};