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Diffstat (limited to 'hw/display/virtio-gpu.c')
-rw-r--r--hw/display/virtio-gpu.c59
1 files changed, 31 insertions, 28 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 3ddd29c0de..7be3a9d404 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -17,6 +17,7 @@
#include "qemu/iov.h"
#include "ui/console.h"
#include "trace.h"
+#include "sysemu/dma.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-gpu.h"
#include "hw/virtio/virtio-bus.h"
@@ -29,7 +30,8 @@
static struct virtio_gpu_simple_resource*
virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
-static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res);
+static void virtio_gpu_cleanup_mapping(VirtIOGPU *g,
+ struct virtio_gpu_simple_resource *res);
static void
virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr)
@@ -421,11 +423,6 @@ static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id)
scanout->height ?: 480,
"Guest disabled display.");
}
-
- if (g->disable_scanout) {
- g->disable_scanout(g, scanout_id);
- }
-
dpy_gfx_replace_surface(scanout->con, ds);
scanout->resource_id = 0;
scanout->ds = NULL;
@@ -447,7 +444,7 @@ static void virtio_gpu_resource_destroy(VirtIOGPU *g,
}
pixman_image_unref(res->image);
- virtio_gpu_cleanup_mapping(res);
+ virtio_gpu_cleanup_mapping(g, res);
QTAILQ_REMOVE(&g->reslist, res, next);
g->hostmem -= res->hostmem;
g_free(res);
@@ -693,7 +690,8 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g,
scanout->height = ss.r.height;
}
-int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
+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)
{
@@ -729,7 +727,8 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
uint32_t l = le32_to_cpu(ents[i].length);
hwaddr len = l;
(*iov)[i].iov_len = l;
- (*iov)[i].iov_base = cpu_physical_memory_map(a, &len, 1);
+ (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as,
+ a, &len, DMA_DIRECTION_TO_DEVICE);
if (addr) {
(*addr)[i] = a;
}
@@ -737,7 +736,7 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for"
" resource %d element %d\n",
__func__, ab->resource_id, i);
- virtio_gpu_cleanup_mapping_iov(*iov, i);
+ virtio_gpu_cleanup_mapping_iov(g, *iov, i);
g_free(ents);
*iov = NULL;
if (addr) {
@@ -751,20 +750,24 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
return 0;
}
-void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count)
+void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g,
+ struct iovec *iov, uint32_t count)
{
int i;
for (i = 0; i < count; i++) {
- cpu_physical_memory_unmap(iov[i].iov_base, iov[i].iov_len, 1,
- iov[i].iov_len);
+ dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as,
+ iov[i].iov_base, iov[i].iov_len,
+ DMA_DIRECTION_TO_DEVICE,
+ iov[i].iov_len);
}
g_free(iov);
}
-static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res)
+static void virtio_gpu_cleanup_mapping(VirtIOGPU *g,
+ struct virtio_gpu_simple_resource *res)
{
- virtio_gpu_cleanup_mapping_iov(res->iov, res->iov_cnt);
+ virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt);
res->iov = NULL;
res->iov_cnt = 0;
g_free(res->addrs);
@@ -796,7 +799,7 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g,
return;
}
- ret = virtio_gpu_create_mapping_iov(&ab, cmd, &res->addrs, &res->iov);
+ ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, &res->iov);
if (ret != 0) {
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
return;
@@ -823,7 +826,7 @@ virtio_gpu_resource_detach_backing(VirtIOGPU *g,
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
return;
}
- virtio_gpu_cleanup_mapping(res);
+ virtio_gpu_cleanup_mapping(g, res);
}
static void virtio_gpu_simple_process_cmd(VirtIOGPU *g,
@@ -1148,16 +1151,21 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
for (i = 0; i < res->iov_cnt; i++) {
hwaddr len = res->iov[i].iov_len;
res->iov[i].iov_base =
- cpu_physical_memory_map(res->addrs[i], &len, 1);
+ dma_memory_map(VIRTIO_DEVICE(g)->dma_as,
+ res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE);
+
if (!res->iov[i].iov_base || len != res->iov[i].iov_len) {
/* Clean up the half-a-mapping we just created... */
if (res->iov[i].iov_base) {
- cpu_physical_memory_unmap(res->iov[i].iov_base,
- len, 0, 0);
+ dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as,
+ res->iov[i].iov_base,
+ res->iov[i].iov_len,
+ DMA_DIRECTION_TO_DEVICE,
+ res->iov[i].iov_len);
}
/* ...and the mappings for previous loop iterations */
res->iov_cnt = i;
- virtio_gpu_cleanup_mapping(res);
+ virtio_gpu_cleanup_mapping(g, res);
pixman_image_unref(res->image);
g_free(res);
return -EINVAL;
@@ -1187,7 +1195,7 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
}
dpy_gfx_replace_surface(scanout->con, scanout->ds);
- dpy_gfx_update(scanout->con, 0, 0, scanout->width, scanout->height);
+ dpy_gfx_update_full(scanout->con);
if (scanout->cursor.resource_id) {
update_cursor(g, &scanout->cursor);
}
@@ -1205,11 +1213,6 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
Error *local_err = NULL;
int i;
- if (virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM)) {
- error_setg(errp, "virtio-gpu does not support vIOMMU yet");
- return;
- }
-
if (g->conf.max_outputs > VIRTIO_GPU_MAX_SCANOUTS) {
error_setg(errp, "invalid max_outputs > %d", VIRTIO_GPU_MAX_SCANOUTS);
return;
@@ -1289,7 +1292,7 @@ static void virtio_gpu_instance_init(Object *obj)
{
}
-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;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-25 02:25:38 +0200